1. A plate heat exchanger capable of being quickly installed and fixed comprises a front end plate (1) and a rear end plate (2), wherein the front end plate and the rear end plate are both hollow rectangular plates, a plurality of connecting holes (3) are formed in the front end plate and the rear end plate, the connecting holes in the front end plate are communicated with the front surface and the rear surface of the front end plate, the connecting holes in the rear end plate are communicated with the front surface and the rear surface of the rear end plate,

the number of the connecting holes is four, the connecting holes on the front end plate and the rear end plate are distributed at four corners of the front end plate, a high-temperature fluid inlet (4) and a high-temperature fluid outlet (5) are arranged on the front surface of the front end plate, the high-temperature fluid inlet is positioned at the lower left corner of the front surface of the front end plate and close to the connecting hole at the lower left corner of the front end plate, the high-temperature fluid outlet is positioned at the upper right corner of the front surface of the front end plate and close to the connecting hole at the upper right corner of the front end plate, the high-temperature fluid inlet and the high-temperature fluid outlet are point-symmetric about the center of the front surface of the front end plate, a low-temperature fluid inlet (6) and a low-temperature fluid outlet (7) are arranged on the rear surface of the rear end plate, the low-temperature fluid inlet is positioned at the lower right corner of the rear surface of the rear end plate and close to the connecting hole at the upper left corner of the rear end plate, the cryogenic fluid inlet and the cryogenic fluid outlet are symmetrical about a center point of the rear surface of the rear end plate;

the four connecting holes on the front end plate correspond to the four connecting holes on the rear end plate one by one, a plurality of clamping grooves (8) are formed in the rear surface of the front end plate and are parallel to each other, the clamping grooves are communicated with the left side surface and the right side surface of the front end plate and are grooves with rectangular longitudinal sections, a plurality of clamping strips (9) are arranged on the front surface of the rear end plate, the length directions of the clamping strips are parallel to the length direction of the clamping grooves, the clamping strips are long strips with trapezoidal longitudinal sections, the longitudinal section shapes of the clamping grooves are similar to the longitudinal section shapes of the clamping strips, the front end plate is parallel to the rear end plate, the rear surface of the front end plate is close to the front surface of the rear end plate, and the clamping strips are embedded into the clamping grooves;

the honeycomb duct is characterized by further comprising a plurality of honeycomb ducts (10), the number of the honeycomb ducts is four, four honeycomb ducts, four connecting holes in the front end plate and four connecting holes in the rear end plate are in one-to-one correspondence, the honeycomb ducts penetrate through the connecting holes in the front end plate and the connecting holes in the rear end plate corresponding to the honeycomb ducts, and the high-temperature fluid inlet, the high-temperature fluid outlet, the low-temperature fluid inlet and the low-temperature fluid outlet are respectively connected with the honeycomb ducts nearby through pipelines (11).

2. A quick-fit plate heat exchanger according to claim 1, wherein the distance between the rear surface of the front end plate and the front surface of the rear end plate is not less than five millimetres.

3. The plate heat exchanger of claim 1, wherein the longitudinal sections of the clamping grooves and the longitudinal sections of the clamping strips are right-angled trapezoids with the oblique sides downward.

4. A plate heat exchanger according to claim 3, wherein the size of the locking strip matches the size of the locking groove and ensures that the locking strip can be inserted into the locking groove, and the inclined surface of the locking strip presses against the inclined surface of the locking groove.

5. A quick-install and fix plate heat exchanger according to claim 1, wherein the end faces of the two ends of the clip strip are aligned with the left and right side faces of the rear end plate, respectively.

6. The plate heat exchanger of claim 1, wherein the connection holes of the front and rear end plates are not in communication with the inner chamber.

7. The plate heat exchanger of claim 1, wherein the flow guide tube is a round tube made of thermal insulation material.

8. The plate heat exchanger of claim 1, wherein the locking groove is formed by a rear surface of the front end plate being recessed into an inner cavity of the front end plate, and a length direction of the locking groove is parallel to upper and lower surfaces of the front end plate.

9. The plate heat exchanger of claim 1, wherein the number of the clamping strips is three, the clamping strips are arranged on the front surface of the rear end plate in an upper, middle and lower arrangement mode, the number of the clamping grooves is three, and the positions of the clamping grooves correspond to the positions of the clamping strips one to one.

Background

A plate heat exchanger is a device that provides heat. Playing key effect on life heating and industry constant temperature, traditional plate heat exchanger's end plate connection fixed knot structure adopts bolt fastening or welded fastening generally, and fixed connection's effect has been guaranteed to this kind of fixed mode, but has nevertheless led to the fact very big trouble to the dismantlement maintenance in the use, and the maintenance degree of difficulty and intensity are great.

Disclosure of Invention

The invention aims to solve the problems and designs a plate heat exchanger capable of being quickly installed and fixed.

A plate heat exchanger capable of being quickly installed and fixed comprises a front end plate and a rear end plate, wherein the front end plate and the rear end plate are both hollow rectangular plates, a plurality of connecting holes are formed in the front end plate and the rear end plate, the connecting holes in the front end plate are communicated with the front surface and the rear surface of the front end plate, the connecting holes in the rear end plate are communicated with the front surface and the rear surface of the rear end plate,

the number of the connecting holes is four, the connecting holes on the front end plate and the rear end plate are distributed at four corners of the connecting holes, the front surface of the front end plate is provided with a high-temperature fluid inlet and a high-temperature fluid outlet, the high-temperature fluid inlet is positioned at the lower left corner of the front surface of the front end plate and close to the connecting hole at the lower left corner of the front end plate, the high-temperature fluid outlet is positioned at the upper right corner of the front surface of the front end plate and close to the connecting hole at the upper right corner of the front end plate, the high-temperature fluid inlet and the high-temperature fluid outlet are symmetrical about the center point of the front surface of the front end plate, the rear surface of the rear end plate is provided with a low-temperature fluid inlet and a low-temperature fluid outlet, the low-temperature fluid inlet is positioned at the right lower corner of the rear surface of the rear end plate and close to the connecting hole at the right lower corner of the rear end plate, the low-temperature fluid outlet is positioned at the upper left corner of the rear surface of the rear end plate and close to the connecting hole at the upper left corner of the rear end plate, the cryogenic fluid inlet and the cryogenic fluid outlet are symmetrical about a center point of the rear surface of the rear end plate;

the four connecting holes on the front end plate correspond to the four connecting holes on the rear end plate one by one, a plurality of clamping grooves are formed in the rear surface of the front end plate and are parallel to each other, the clamping grooves are communicated with the left side surface and the right side surface of the front end plate and are grooves with rectangular longitudinal sections, a plurality of clamping strips are arranged on the front surface of the rear end plate, the length directions of the clamping strips are parallel to the length directions of the clamping grooves, the clamping strips are long strips with trapezoidal longitudinal sections, the longitudinal section shapes of the clamping grooves are similar to the longitudinal section shapes of the clamping strips, the front end plate is parallel to the rear end plate, the rear surface of the front end plate is close to the front surface of the rear end plate, and the clamping strips are embedded into;

the four guide pipes are in one-to-one correspondence with the four connecting holes in the four guide pipes, the four connecting holes in the front end plate and the four connecting holes in the rear end plate, the guide pipes penetrate through the connecting holes in the front end plate and the connecting holes in the rear end plate corresponding to the guide pipes, and the high-temperature fluid inlet, the high-temperature fluid outlet, the low-temperature fluid inlet and the low-temperature fluid outlet are connected with the guide pipes nearby the high-temperature fluid inlet, the high-temperature fluid outlet, the low-temperature fluid inlet and the low-temperature fluid outlet through pipelines respectively.

The distance between the rear surface of the front end plate and the front surface of the rear end plate is not less than five millimeters.

The longitudinal section of the clamping groove and the longitudinal section of the clamping strip are right-angled trapezoids with downward bevel edges.

The size of card strip and the size phase-match of draw-in groove and guarantee that the card strip can imbed the draw-in groove, the inclined plane of card strip is pressed on the inclined plane of draw-in groove.

The end faces of the two ends of the clamping strip are respectively aligned with the left side face and the right side face of the rear end plate.

The connecting holes on the front end plate and the rear end plate are not communicated with the inner cavity of the front end plate and the rear end plate.

The honeycomb duct is a round tube made of heat-insulating materials.

The clamping groove is formed by the fact that the rear surface of the front end plate is sunken into the inner cavity of the front end plate, and the length direction of the clamping groove is parallel to the upper surface and the lower surface of the front end plate.

The number of the clamping strips is three, the clamping strips are arranged on the front surface of the rear end plate in an upper, middle and lower arrangement mode, the number of the clamping grooves is three, and the positions of the clamping grooves correspond to the positions of the clamping strips one to one.

Advantageous effects

The plate heat exchanger manufactured by the technical scheme of the invention and capable of being quickly installed and fixed has the following advantages:

1. the device realizes the fixed installation of the front end plate and the rear end plate through the matching of the clamping grooves, the clamping strips and the flow guide pipe, the fixed installation of the front end plate and the rear end plate is realized without adopting a welding mode or a bolt fixed connection mode, the installation mode is more flexible, and better convenient conditions are provided for subsequent disassembly and replacement;

2. this device structural design is simple practical, and the installation is more swift, the effectual intensity of labour who reduces installation work, has improved installation work's efficiency simultaneously.

Drawings

FIG. 1 is a schematic structural diagram of a plate heat exchanger capable of being quickly installed and fixed according to the present invention;

FIG. 2 is an exploded view of the front and rear end plates of the present invention;

FIG. 3 is a first perspective view of the front endplate and rear endplate of the present invention in combination;

FIG. 4 is a second perspective view of the front endplate and rear endplate of the present invention after they have been assembled;

FIG. 5 is a perspective view of the front endplate of the present invention;

FIG. 6 is a perspective view of the rear endplate of the present invention;

in the figure, 1, a front end plate; 2. a rear end plate; 3. connecting holes; 4. a high temperature fluid inlet; 5. a high temperature fluid outlet; 6. a cryogenic fluid inlet; 7. a cryogenic fluid outlet; 8. a card slot; 9. clamping the strip; 10. a flow guide pipe; 11. a pipeline.

Detailed Description

The invention is described in detail below with reference to the drawings, as shown in FIGS. 1-6;

the creation point of this application lies in, and the quantity of connecting hole is four, connecting hole on front end plate and the rear end plate all distributes in its four corners department, be equipped with high temperature fluid import 4 and high temperature fluid export 5 on the front surface of front end plate, high temperature fluid import is located the lower left corner of front end plate front surface and is close to the connecting hole of front end plate lower left corner, high temperature fluid export is located the upper right corner of front end plate front surface and is close to the connecting hole of front end plate upper right corner, high temperature fluid import and high temperature fluid export are symmetrical about the central point of front end plate front surface, be equipped with low temperature fluid import 6 and low temperature fluid export 7 on the rear surface of rear end plate, low temperature fluid import is located the lower right corner of rear end plate rear surface and is close to the connecting hole of rear end plate lower right corner, low temperature fluid export is located the upper left corner of rear end plate rear surface and is close to the connecting hole of rear end plate upper left corner, the cryogenic fluid inlet and the cryogenic fluid outlet are symmetrical about a center point of the rear surface of the rear end plate;

the novel structure of the automobile front end plate is characterized in that four connecting holes in the front end plate correspond to four connecting holes in the rear end plate one by one, a plurality of clamping grooves 8 are formed in the rear surface of the front end plate and are parallel to each other, the clamping grooves are communicated with the left side surface and the right side surface of the front end plate and are grooves with rectangular longitudinal sections, a plurality of clamping strips 9 are arranged on the front surface of the rear end plate and are parallel to the length direction of the clamping grooves, the clamping strips are long strips with trapezoidal longitudinal sections, the longitudinal sections of the clamping grooves are similar to the longitudinal sections of the clamping strips, the front end plate is parallel to the rear end plate, the rear surface of the front end plate is close to the front surface of the rear end plate, and the clamping strips are embedded into the clamping grooves;

the creation point of this application still lies in, still includes a plurality of honeycomb ducts 10, the quantity of honeycomb duct is four, four connecting holes on four honeycomb ducts, the front end plate and four connecting holes one-to-one on the back end plate, the honeycomb duct runs through the connecting hole on the front end plate rather than corresponding and the connecting hole on the back end plate, high temperature fluid import, high temperature fluid export, low temperature fluid import and low temperature fluid export are respectively through pipeline 11 rather than near the honeycomb duct connection.

The invention of the present application is further characterized in that the distance between the rear surface of the front end plate and the front surface of the rear end plate is not less than five millimeters; the longitudinal section of the clamping groove and the longitudinal section of the clamping strip are right-angled trapezoids with downward bevel edges; the size of the clamping strip is matched with that of the clamping groove and ensures that the clamping strip can be embedded into the clamping groove, and the inclined surface of the clamping strip is pressed on the inclined surface of the clamping groove; the end surfaces of the two ends of the clamping strip are respectively aligned with the left side surface and the right side surface of the rear end plate; the connecting holes on the front end plate and the rear end plate are not communicated with the inner cavity of the front end plate and the rear end plate; the flow guide pipe is a round pipe made of a heat insulation material; the clamping groove is formed by the fact that the rear surface of the front end plate is sunken into the inner cavity of the front end plate, and the length direction of the clamping groove is parallel to the upper surface and the lower surface of the front end plate; the number of the clamping strips is three, the clamping strips are arranged on the front surface of the rear end plate in an upper, middle and lower arrangement mode, the number of the clamping grooves is three, and the positions of the clamping grooves correspond to the positions of the clamping strips one to one;

this application technical scheme is implementing the in-process, and the staff is with front end plate and rear end plate parallel placement, then will block strip embedding draw-in groove, and the rear surface of front end plate keeps about one centimetre with the front surface distance of rear end plate, then inserts the honeycomb duct respectively in the connecting hole that corresponds to connect the honeycomb duct rather than high temperature fluid import, high temperature fluid export, low temperature fluid import and the low temperature fluid play that corresponds through the pipeline, thereby accomplish plate heat exchanger's installation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.