1. A novel temperature reducing device of a temperature and pressure reducing valve is characterized by comprising:

the valve pipe cooling pipe (1), the outer part of the valve pipe cooling pipe (1) is provided with an outer sheath (2);

the cooling component is detachably arranged inside the outer sheath (2), and is used for simultaneously cooling the inner wall and the outer wall of the valve pipe cooling pipe (1);

the limiting assembly is used for limiting the installation position of the cooling assembly;

the water guide assembly is used for collecting water after the temperature of the outer wall of the valve pipe cooling pipe (1) is cooled by the temperature reduction assembly.

2. A new type of temperature reducing device for a temperature and pressure reducing valve according to claim 1, wherein: the cooling assembly comprises a spiral cooling pipe (7) and a straight cooling pipe (9), the spiral cooling pipe (7) is sleeved outside the valve pipe cooling pipe (1), the spiral cooling pipe (7) is provided with a first spray hole (8) towards one side of the outer wall of the valve pipe cooling pipe (1), the annular inner ring of the water inlet end of the spiral cooling pipe (7) is connected with a connecting pipe (16), the connecting pipe (16) is attached to the end part of the valve pipe cooling pipe (1), the straight cooling pipe (9) is connected to the middle position of the connecting pipe (16), the straight cooling pipe (9) extends into the valve pipe cooling pipe (1), and the outer wall of the straight cooling pipe (9) is uniformly provided with a second spray hole (10).

3. A new type of temperature reducing device for a temperature and pressure reducing valve according to claim 2, wherein: the limiting component comprises a limiting sliding block (5) and a limiting sliding groove (6) which are matched, the limiting sliding block (5) is fixed on the outer wall of the spiral cooling pipe (7), and the limiting sliding groove (6) is formed in one end of the upper wall and the lower wall inside the outer sheath (2).

4. A new type of temperature reducing device for a temperature and pressure reducing valve according to claim 3, wherein: the limiting assembly further comprises a limiting pin (15), and the limiting pin (15) penetrates through the outer sheath (2) and extends to the inside of the limiting sliding groove (6).

5. A new type of temperature reducing device for a temperature and pressure reducing valve according to claim 2, wherein: the water guide assembly comprises a water retaining part and a water guide part, the water retaining part is an annular baffle (3) fixed at one end inside the outer sheath (2), the water guide part is a water leakage hole (11) formed in the bottom inside the limiting sliding groove (6), the water leakage hole (11) is close to an outer port of the limiting sliding groove (6), and a water drainage pipe (13) is connected to the lower surface wall of the outer sheath (2) and is located under the water leakage hole (11).

6. A new type of temperature reducing apparatus of a temperature and pressure reducing valve according to claim 5, wherein: the outer wall integrated into one piece of annular baffle (3) has evagination installation department (14), the upper surface wall of installation department (14) closes soon and is connected with jackscrew (4).

7. A new type of temperature reducing apparatus of a temperature and pressure reducing valve according to claim 6, wherein: the one end of installation department (14) orientation valve pipe cooling tube (1) bonds and has sealing washer (17), the outer wall of valve pipe cooling tube (1) is hugged closely in sealing washer (17).

8. A new type of temperature reducing device for a temperature and pressure reducing valve according to claim 2, wherein: the water inlet end of the spiral cooling pipe (7) is connected with a cooling water inlet pipe (12), and a valve is installed on the cooling water inlet pipe (12).

9. A new type of temperature reducing device for a temperature and pressure reducing valve according to claim 2, wherein: the outer wall of the spiral cooling pipe (7) is attached to the inner surface wall of the outer sheath (2).

10. A new type of temperature reducing apparatus of a temperature and pressure reducing valve according to claim 5, wherein: the water leakage holes (11) are funnel-type water leakage holes, and the diameter of the top ends of the water leakage holes (11) is larger than that of the bottom ends of the water leakage holes.

Background

The temperature and pressure reducing valve adopts the opening of an opening and closing part in a control valve body to adjust the flow of a medium, the pressure of the medium is reduced, meanwhile, the opening of the opening and closing part is adjusted by means of the action of the pressure behind the valve, the pressure behind the valve is kept in a certain range, cooling water is sprayed into the valve body or behind the valve to reduce the temperature of the medium, the steam of the existing steam turbine generator set is provided with a bypass, the steam is used to other work section steps through the temperature and pressure reducing valve, the most common temperature and pressure reducing valve for reducing the temperature is the temperature and pressure integrated temperature and pressure, according to the air load of a steam turbine, part of superheated steam is used to the back work section steps after being cooled and reduced in the temperature and pressure reducing valve, and the temperature of desalted water is directly reduced through the bottom of the valve body.

But there is certain defect in present attemperator, and traditional attemperator is difficult to realize the inside and outside cooling of pipe simultaneously, and the cooling effect is relatively poor, and in addition, traditional attemperator's cooling structure is not convenient for install and lift off, and takes place crooked easily, and then reduces the homogeneity of cooling.

Disclosure of Invention

The invention aims to provide a novel temperature reducing device of a temperature and pressure reducing valve, which aims to solve the problems that the traditional temperature reducing device provided in the background technology is difficult to realize simultaneous cooling inside and outside a pipe and has poor cooling effect, and in addition, the cooling structure of the traditional temperature reducing device is inconvenient to mount and dismount and is easy to incline, so that the cooling uniformity is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel temperature reduction device of temperature-reducing pressure-reducing valve, includes valve pipe cooling tube, cooling subassembly, spacing subassembly and water guide subassembly, the outside of valve pipe cooling tube is equipped with the oversheath, cooling subassembly detachably installs in the inside of oversheath, and the cooling subassembly is used for cooling down simultaneously to the inner wall and the outer wall of valve pipe cooling tube, spacing subassembly is used for injecing the mounted position of cooling subassembly, the water guide subassembly is used for compiling the cooling subassembly to valve pipe cooling tube outer wall cooling back water.

Preferably, the cooling subassembly includes spiral cooling tube and straight cooling tube, spiral cooling tube cover is in the outside of valve pipe cooling tube, and spiral cooling tube has seted up first hole that sprays towards one side of valve pipe cooling tube outer wall, spiral cooling tube is intake and is connected with the connecting pipe on the annular inner race of end, the connecting pipe pastes the tip that leans on the valve pipe cooling tube, straight cooling tube connects the intermediate position department at the connecting pipe, straight cooling tube stretches into the inside to valve pipe cooling tube, and the exterior wall of straight cooling tube has evenly seted up the second and has sprayed the hole.

Preferably, the limiting assembly comprises a limiting sliding block and a limiting sliding groove which are matched, the limiting sliding block is fixed on the outer wall of the spiral cooling pipe, and the limiting sliding groove is formed in one end of the upper wall and the lower wall in the outer sheath.

Preferably, the limiting assembly further comprises a limiting pin, and the limiting pin penetrates through the outer sheath and extends to the inside of the limiting sliding groove.

The water guide assembly comprises a water retaining part and a water guide part, the water retaining part is an annular baffle fixed at one end inside the outer sheath, the water guide part is a water leakage hole formed in the bottom inside the limiting sliding groove, the water leakage hole is close to an outer port of the limiting sliding groove, and a drain pipe is connected to the lower surface wall of the outer sheath and is located right below the water leakage hole.

Preferably, the outer wall of the annular baffle is integrally formed with a convex mounting part, and the upper surface wall of the mounting part is connected with a jackscrew in a screwing manner.

Preferably, the sealing ring is bonded to one end of the mounting part facing the valve pipe cooling pipe, and the sealing ring is tightly attached to the outer wall of the valve pipe cooling pipe.

Preferably, the water inlet end of the spiral cooling pipe is connected with a cooling water inlet pipe, and a valve is installed on the cooling water inlet pipe.

Preferably, the outer wall of the spiral cooling pipe is attached to the inner wall of the outer sheath.

Preferably, the water leakage hole is a funnel-type water leakage hole, and the diameter of the top end of the water leakage hole is larger than that of the bottom end of the water leakage hole.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the valve pipe cooling device, the cooling assembly consisting of the spiral cooling pipe, the straight cooling pipe, the connecting pipe and the like is additionally arranged, when the valve pipe cooling device is used for cooling, cooling water is sprayed out from the first spraying holes formed in the spiral cooling pipe to cool the outer wall of the valve pipe cooling pipe, and is sprayed out from the second spraying holes formed in the straight cooling pipe to cool the inner wall of the valve pipe cooling pipe, so that the inner wall and the outer wall of the valve pipe cooling pipe can be cooled simultaneously, the temperature is reduced uniformly, and the effect is good.

(2) According to the invention, the limiting slide block and the limiting slide groove are additionally arranged, when the cooling assembly is installed, the sliding of the limiting slide block in the limiting slide groove is utilized, the installation accuracy of the cooling assembly can be effectively ensured, and the skewing is avoided.

(3) The outer protective sleeve is arranged outside the valve pipe cooling pipe in a blocking mode, so that the cooling cold water on the outer wall of the valve pipe cooling pipe can be effectively prevented from splashing disorderly, in addition, the annular baffle, the limiting sliding groove, the water leakage holes and the like are additionally arranged, the cold water sprayed from the first spraying hole to the outer wall of the valve pipe cooling pipe for cooling is blocked by the annular baffle, so that the water can only flow out from the other side, the water can flow to the water leakage holes along the limiting sliding groove at the bottom end, and then the water can flow out from the water leakage holes and is discharged and collected through the water discharge pipe, so that the water on the outer wall of the valve pipe cooling pipe can be prevented from flowing disorderly.

(4) According to the valve pipe cooling pipe, the outer sheath is easily disassembled and installed through the installation part and the jackscrew, so that the outer sheath is convenient to replace subsequently, the jackscrew can be rotated to penetrate through the installation part after the outer sheath is sleeved outside the valve pipe cooling pipe, the jackscrew is enabled to abut against the outer wall of the valve pipe cooling pipe, and the installation stability of the outer sheath can be effectively guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an external view of the present invention;

FIG. 3 is a side view of a helical cooling tube of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 1;

FIG. 5 is an enlarged view of portion B of FIG. 1;

in the figure: 1. a valve tube cooling tube; 2. an outer sheath; 3. an annular baffle; 4. carrying out top thread; 5. a limiting slide block; 6. a limiting chute; 7. a helical cooling tube; 8. a first spray hole; 9. a straight cooling tube; 10. a second spray hole; 11. a water leakage hole; 12. a cooling water inlet pipe; 13. a drain pipe; 14. an installation part; 15. a spacing pin; 16. a connecting pipe; 17. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a novel temperature reduction device of temperature-reducing pressure-reducing valve, including valve pipe cooling tube 1, the cooling subassembly, spacing subassembly and water guide subassembly, the outside of valve pipe cooling tube 1 is equipped with oversheath 2, cooling subassembly detachably installs in the inside of oversheath 2, and the cooling subassembly is used for cooling down simultaneously to the inner wall and the outer wall of valve pipe cooling tube 1, and spacing subassembly is used for injecing the mounted position of cooling subassembly, and the water guide subassembly is used for compiling the cooling subassembly to water behind the cooling of valve pipe cooling tube 1 outer wall.

Further, the cooling assembly comprises a spiral cooling pipe 7 and a straight cooling pipe 9, the spiral cooling pipe 7 is sleeved outside the valve pipe cooling pipe 1, a first spraying hole 8 is formed in one side, facing the outer wall of the valve pipe cooling pipe 1, of the spiral cooling pipe 7, a connecting pipe 16 is connected to the annular inner ring of the water inlet end of the spiral cooling pipe 7, the connecting pipe 16 is attached to the end portion of the valve pipe cooling pipe 1, the straight cooling pipe 9 is connected to the middle position of the connecting pipe 16, the straight cooling pipe 9 extends into the valve pipe cooling pipe 1, second spraying holes 10 are uniformly formed in the outer wall of the straight cooling pipe 9, cooling water is sprayed out of the first spraying hole 8 formed in the spiral cooling pipe 7 to cool the outer wall of the valve pipe cooling pipe 1 during cooling, and is sprayed out of the second spraying hole 10 formed in the straight cooling pipe 9 to cool the inner wall of the valve pipe cooling pipe 1, can cool down simultaneously to the inner wall and the outer wall of valve pipe cooling tube 1, it is even and effectual to cool down.

Further, spacing subassembly includes spacing slider 5 and the spacing spout 6 of looks adaptation, spacing slider 5 is fixed on the outer wall of spiral cooling tube 7, spacing spout 6 sets up the one end at 2 inside upper and lower walls of oversheath, spacing subassembly still includes spacer pin 15, spacer pin 15 runs through oversheath 2 and extends to the inside of spacing spout 6, when the installation cooling subassembly, utilize the slip of spacing slider 5 in spacing spout 6, can effectively guarantee the precision of cooling unit mount, avoid taking place crooked, secondly, after the cooling unit mount targets in place, can inject spacer pin 15 in spacing spout 6, utilize spacer pin 15 to block spacing slider 5, can effectively avoid spacing slider 5 to take place to slide, and then prevented the slippage of cooling subassembly.

Further, the water guide subassembly includes manger plate part and water guide part, manger plate part is the ring baffle 3 of fixing in 2 inside one ends of oversheath, water guide part is for seting up the hole 11 that leaks in 6 inside bottoms of spacing spout, the hole 11 that leaks is close to the outer port of spacing spout 6, oversheath 2 lower watch wall just is located and is connected with drain pipe 13 under the hole 11 that leaks, the cold water that spouts to 1 outer wall cooling of valve pipe cooling pipe from first hole 8 that sprays blocks via ring baffle 3, make water only can flow from the opposite side, water can flow to the hole 11 that leaks along the spacing spout 6 of bottom, then can follow the hole 11 that leaks and flow down via drain pipe 13 and discharge the collection, can avoid the water in disorder on the 1 outer wall of valve pipe cooling pipe.

Further, the outer wall integrated into one piece of ring baffle 3 has the installation department 14 of evagination, and the last upper wall of installation department 14 closes soon to be connected with jackscrew 4, and 2 covers in the outer sheath behind 1 outsides of valve pipe cooling tube, can rotate jackscrew 4, make jackscrew 4 support tight valve pipe cooling tube 1 outer wall, can guarantee the stability of 2 installations of oversheath.

Furthermore, a sealing ring 17 is bonded on one end of the mounting part 14 facing the valve pipe cooling pipe 1, the sealing ring 17 is tightly attached to the outer wall of the valve pipe cooling pipe 1, the sealing performance of the mounting part 14 attached to the valve pipe cooling pipe 1 can be further improved by the aid of the additionally arranged sealing ring 17, and water is prevented from flowing out from a gap between the mounting part 14 and the outer wall of the valve pipe cooling pipe 1.

Furthermore, the water inlet end of the spiral cooling pipe 7 is connected with a cooling water inlet pipe 12, a valve is installed on the cooling water inlet pipe 12, and the cooling water inlet pipe 12 is used for introducing cooling water.

Further, the outer wall of the spiral cooling pipe 7 is attached to the inner surface wall of the outer sheath 2, and the installation stability of the spiral cooling pipe 7 can be further improved.

Furthermore, the water leakage holes 11 are funnel-shaped, the diameter of the top ends of the water leakage holes 11 is larger than that of the bottom ends of the water leakage holes, and the funnel-shaped water leakage holes 11 with the large upper part and the small lower part are convenient for water collection.

The working principle and the using process of the invention are as follows: when the cooling assembly is used, cold sewage can be introduced from a cooling water inlet pipe 12, cooling water is sprayed out from a first spray hole 8 formed in a spiral cooling pipe 7 to cool the outer wall of a valve pipe cooling pipe 1, cooling water is sprayed out from a second spray hole 10 formed in a straight cooling pipe 9 to cool the inner wall of the valve pipe cooling pipe 1, the inner wall and the outer wall of the valve pipe cooling pipe 1 can be cooled simultaneously, the temperature reduction is uniform and good in effect, wherein cold water sprayed out from the first spray hole 8 to the outer wall of the valve pipe cooling pipe 1 is blocked by the annular baffle 3, so that the water can only flow out from the other side, the water can flow to the water leakage holes 11 along the limiting sliding groove 6 at the bottom end, and then can flow down from the water leakage holes 11 and be discharged and collected through the water drainage pipe 13, the water turbulence on the outer wall of the valve pipe cooling pipe 1 can be avoided, in addition, when the cooling assembly is installed, the limiting sliding of the limiting sliding block 5 in the limiting sliding groove 6 is utilized, can effectively guarantee the precision of cooling unit mount, avoid taking place crooked, secondly, after cooling unit mount targets in place, can inject spacing round pin 15 in spacing spout 6, utilize spacing round pin 15 to block spacing slider 5, can effectively avoid spacing slider 5 to take place to slide, and then prevented cooling unit's slippage, in addition, 2 covers in the overcoat are behind 1 outside of valve pipe cooling tube, can rotate jackscrew 4, make jackscrew 4 support tight valve pipe cooling tube 1 outer wall, can guarantee the stability of 2 installations of oversheath.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.