CN210773587U

CN210773587U - Plate heat exchanger capable of preventing internal leakage

Info

Publication number: CN210773587U
Application number: CN201921194593.4U
Authority: CN
Inventors: 蒋惠章
Original assignee: Jiangyin Hanyu Machinery Co Ltd
Current assignee: Jiangyin Hanyu Machinery Co Ltd
Priority date: 2019-07-27
Filing date: 2019-07-27
Publication date: 2020-06-16
Anticipated expiration: 2029-07-27

Abstract

The utility model relates to the technical field of plate heat exchangers, in particular to an inner leakage prevention plate heat exchanger, which comprises a fixed compression plate and a movable compression plate which are arranged at the front and the back, a plate sheet A and a plate sheet B are arranged between the fixed pressing plate and the movable pressing plate in an equidistant and staggered manner, the upper part of the fixed pressing plate is respectively provided with a hot medium inlet and a cold medium outlet which are parallel to each other, the lower part of the fixed pressing plate is respectively provided with a hot medium outlet and a cold medium inlet which are parallel to each other, when water flow enters the plate heat exchanger from the cold medium inlet, the sealing rubber gasket A and the sealing rubber gasket A are used for sequentially carrying out double-layer sealing blocking, the teeth of the sealing rubber gasket A and the sealing rubber gasket A are meshed with each other, thereby can increase airtight effect and effectively prevent interior hourglass, and can guide the rivers that cold medium import got into from cold medium export outflow.

Description

Plate heat exchanger capable of preventing internal leakage

Technical Field

The utility model relates to a plate heat exchanger technical field, specific plate heat exchanger who leaks in preventing that says so.

Background

The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes. Form thin rectangle passageway between various slab, carry out heat exchange through the slab, the condition of leaking in having usually when plate heat exchanger uses, however, current plate heat exchanger seals up the effect not good, advance to adopt planar structure's rubber pad or rubber circle to seal up, thereby sealed effect is not ideal, the change is dismantled to the plate that leaks in still being not convenient for alone fast simultaneously, only can wholly dismantle under the condition of leaking in, the plate of leaking in confusing easily like this, be not convenient for seek the change, therefore still need improve the processing.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, the utility model provides a prevent plate heat exchanger of internal leakage to solve the problem among the above-mentioned background art.

The technical scheme of the utility model is that: the plate heat exchanger comprises a fixed pressing plate and a movable pressing plate which are arranged in the front and at the back, wherein an A plate and a B plate are arranged between the fixed pressing plate and the movable pressing plate in an equidistance and staggered mode, a heat medium inlet and a cold medium outlet which are parallel to each other are respectively formed in the upper portion of the fixed pressing plate, a heat medium outlet and a cold medium inlet which are parallel to each other are respectively formed in the lower portion of the fixed pressing plate, the movable pressing plate, the A plate and the B plate are the same in shape and size, round groove holes corresponding to the heat medium inlet, the cold medium outlet, the heat medium outlet and the cold medium inlet are respectively formed in the A plate and the B plate, A sealing rubber rings surrounding the peripheries of the round groove holes corresponding to the heat medium inlet and the heat medium outlet are adhered between the rear end face of the A plate and the front end face of the B plate, and a sealing rubber ring avoiding the heat medium inlet and the heat medium outlet are adhered between the rear A sealing rubber gasket on the periphery of a circular groove hole is adhered between the rear end face of the B plate and the front end face of the A plate, a B sealing rubber ring surrounding the periphery of the circular groove hole corresponding to a cold medium outlet and a cold medium inlet is adhered between the rear end face of the B plate and the front end face of the A plate, B sealing rubber gaskets avoiding the periphery of the circular groove hole corresponding to the cold medium outlet and the cold medium inlet are also adhered between the rear end face of the B plate and the front end face of the A plate, A placing grooves with the same specification are respectively arranged in the middle of the bottoms of the fixed pressing plate, the movable pressing plate, the A plate and the B plate, B placing grooves with the same specification are respectively arranged in the middle of the left side edge and the right side edge of the fixed pressing plate, the movable pressing plate, the A plate and the B plate, C placing grooves with the same specification are respectively arranged in the middle of the upper parts of the fixed pressing plate, the movable pressing plate, locking bolts are installed to the equidistance on A gag lever post and the B gag lever post, the bottom of fixed pressure strip, activity pressure strip and A slab and B slab all seted up with locking bolt assorted locating hole with controlling the side, U-shaped even board is installed to C mounting groove upper portion equidistance, fastening bolt is all installed to the bottom in the U-shaped even board, all seted up in the middle of fixed pressure strip, activity pressure strip and A slab and the B slab upper portion with fastening bolt assorted mounting hole, it is adjacent still be connected with the bolt of screwing up between the U-shaped even board, the U-shaped is even seted up and is screwed up bolt assorted fixed orifices at the side middle part about the board.

In the setting, the rear end face of the fixed compression plate and the front end face of the movable compression plate are respectively the same as the rear end face of the B plate and the front end face of the A plate.

Preferably, A sealing rubber circle and A sealing rubber pad and B sealing rubber circle and B sealing rubber pad lateral surface are equidistance tooth form, two A sealing rubber circle and two A sealing rubber pad's tooth intermeshing, two B sealing rubber circle and two B sealing rubber pad's tooth intermeshing.

This set up tooth intermeshing's A sealing rubber circle and A sealing rubber pad and B sealing rubber circle and B sealing rubber pad and can make the sealed effect between A slab and the B slab better to the condition that leaks in reducing takes place.

Preferably, corrugated strips are arranged in the middle of the rear end face of the A plate and the middle of the rear end face of the B plate, and the directions of the corrugated strips in the middle of the rear end face of the A plate and the rear end face of the B plate are opposite.

Preferably, the heat medium inlet, the cold medium outlet, the heat medium outlet and the cold medium inlet are respectively provided with a flange plate, and polyurethane rubber rings are adhered to the periphery of the four flange plates, the periphery of the heat medium inlet, the periphery of the cold medium outlet, the periphery of the heat medium outlet and the periphery of the cold medium inlet.

The sealing effect between the four flange plates for connecting the external pipeline and the hot medium inlet, the cold medium outlet, the hot medium outlet and the cold medium inlet can be improved by the aid of the polyurethane rubber ring.

Preferably, the U-shaped connecting plates have the same specification, and the upper end faces of the U-shaped connecting plates are arranged in a flush manner.

This sets up a plurality of U-shaped even end face of even board that the installation finishes to can make all A slab and B slab from top to bottom to it, thereby effectively guarantee the sealed effect between A slab and B slab.

The beneficial effect of this application:

when water flow enters the plate heat exchanger from the cold medium inlet, double-layer sealing blocking is sequentially performed by means of the sealing rubber gaskets A and the sealing rubber gaskets A, and teeth of the two sealing rubber gaskets A and the two sealing rubber gaskets A are meshed with each other, so that the sealing effect can be increased, internal leakage can be effectively prevented, and water flow entering the cold medium inlet can be guided to flow back from the cold medium outlet; when water flow enters the plate heat exchanger from the heat medium inlet, double-layer sealing blocking is sequentially performed by means of the sealing rubber gaskets B and the sealing rubber gaskets B, and teeth of the sealing rubber gaskets B and the sealing rubber gaskets B are meshed with each other, so that the sealing effect can be increased, internal leakage can be effectively prevented, the water flow entering the heat medium inlet can be guided to enter the plate heat exchanger from the heat medium outlet, and the whole plate heat exchanger can effectively realize heat exchange circulation; under the condition that the hourglass needs to be dismantled in plate heat exchanger takes place, find the plate that corresponds according to the position of interior hourglass to and the locking bolt and the fastening bolt that the plate corresponds and screw up the bolt, thereby under the condition that need not dismantle whole A slab and B slab, carry out alone with trading a certain plate, the chaotic condition of looking for interior hourglass plate of plate when just so can reducing the dismantlement takes place.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the overall front structure of the present invention;

FIG. 2 is a right side view of the structure of FIG. 1 in accordance with the present invention;

fig. 3 is a bottom view of the structure of fig. 1 according to the present invention;

FIG. 4 is a schematic view of the top view structure of FIG. 1 with U-shaped connecting plates removed according to the present invention;

fig. 5 is a schematic structural view of the rear end face of the sheet a of the present invention;

FIG. 6 is a schematic view of the rear end face structure of the B plate of the present invention;

FIG. 7 is a schematic view of the position relationship between the side edge of the plate A and the positioning hole of the present invention;

fig. 8 is a schematic structural view of the position relationship between the upper portion of the a-plate and the mounting hole of the present invention.

Wherein the reference numerals are summarized as follows: 1. fixing the pressing plate; 2. a movable pressure strip; 3. a, a plate sheet; 4. b, a plate sheet; 5. a thermal medium inlet; 6. a cold medium outlet; 7. a thermal medium outlet; 8. a cold medium inlet; 9. a circular slot; 10. a, sealing a rubber ring; 11. a, sealing a rubber pad; 12. b, sealing the rubber ring; 13. b, sealing the rubber gasket; 14. a, arranging a groove; 15. b, placing the groove; 16. c, placing a groove; 17. b, limiting rods; 18. locking the bolt; 19. positioning holes; 20. a U-shaped connecting plate; 21. fastening a bolt; 22. mounting holes; 23. screwing down the bolt; 24. a fixing hole; 25. a corrugated strip; 26. a flange plate; 27. a polyurethane rubber ring; 28. a limiting rod.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments.

Referring to fig. 1-8, the utility model relates to a prevent plate heat exchanger of internal leakage, fixed pressure strip 1 and the activity pressure strip 2 that sets up around including, equidistance is crisscross to be equipped with a slab 3 and B slab 4 between fixed pressure strip 1 and activity pressure strip 2, parallel hot medium import 5 and cold medium export 6 about fixed pressure strip 1 upper portion is seted up respectively, parallel hot medium export 7 and cold medium import 8 about fixed pressure strip 1 lower part is seted up respectively, fixed pressure strip 1, activity pressure strip 2 and a slab 3 and B slab 4's shape size is the same, all set up on a slab 3 and the B slab 4 with hot medium import 5 and cold medium export 6 and hot medium export 7 and cold medium import 8 corresponding round slot hole 9, all adhere between a slab 3 rear end face and B slab 4 preceding terminal face and have around the dense a that is around with hot medium import 5 and the corresponding round slot hole 9 of hot medium export 7 A sealing rubber ring 10, an A sealing rubber gasket 11 avoiding the periphery of a circular groove hole 9 corresponding to a heat medium inlet 5 and a heat medium outlet 7 is adhered between the rear end face of the A plate 3 and the front end face of the B plate 4, a B sealing rubber ring 12 surrounding the periphery of the circular groove hole 9 corresponding to a cold medium outlet 6 and a cold medium inlet 8 is adhered between the rear end face of the B plate 4 and the front end face of the A plate 3, a B sealing rubber gasket 13 avoiding the periphery of the circular groove hole 9 corresponding to the cold medium outlet 6 and the cold medium inlet 8 is adhered between the rear end face of the B plate 4 and the front end face of the A plate 3, A placing grooves 14 with the same specification are formed in the middle of the bottoms of the fixed pressing plate 1, the movable pressing plate 2, the A plate 3 and the B plate 4, B placing grooves 15 with the same specification are formed in the middle of the left side edge and the right side edge of the fixed pressing plate 1, the movable pressing plate 2, the A plate 3 and, the middle parts of the upper parts of the fixed compression plate 1, the movable compression plate 2, the A plate piece 3 and the B plate piece 4 are respectively provided with a C containing groove 16 with the same specification, an A limiting rod 28 and a B limiting rod 17 are respectively arranged in the A containing groove 14 and the B containing groove 15, locking bolts 18 are equidistantly arranged on the A limiting rod 28 and the B limiting rod 17, the bottoms and the left and right sides of the fixed compression plate 1, the movable compression plate 2, the A plate piece 3 and the B plate piece 4 are respectively provided with a positioning hole 19 matched with the locking bolt 18, U-shaped connecting plates 20 are equidistantly arranged on the upper parts of the C containing grooves 16, fastening bolts 21 are respectively arranged at the bottom parts in the U-shaped connecting plates 20, mounting holes 22 matched with the fastening bolts 21 are respectively arranged in the middle parts of the upper parts of the fixed compression plate 1, the movable compression plate 2, the A plate piece 3 and the B plate piece 4, and tightening bolts 23 are further connected between the adjacent U-, the middle parts of the left side and the right side of the U-shaped connecting plate 20 are provided with fixing holes 24 matched with the tightening bolts 23.

A sealing rubber circle 10 and A sealing rubber pad 11 and B sealing rubber circle 12 and B sealing rubber pad 13 lateral surface are equidistance tooth form, two A sealing rubber circle 10 and two A sealing rubber pad 11's tooth intermeshing, two B sealing rubber circle 12 and two B sealing rubber pad 13's tooth intermeshing.

Corrugated strips 25 are arranged in the middle of the rear end face of the A plate 3 and the rear end face of the B plate 4, and the corrugated strips 25 in the middle of the rear end face of the A plate 3 and the rear end face of the B plate 4 are opposite in moving direction.

The heat medium inlet 5 and the cold medium outlet 6, and the heat medium outlet 7 and the cold medium inlet 8 are all provided with flanges 26, and four polyurethane rubber rings 27 are adhered to the peripheries of the flanges 26, the heat medium inlet 5, the cold medium outlet 6, the heat medium outlet 7 and the cold medium inlet 8.

The U-shaped connecting plates 20 are the same in specification, and the upper end faces of the U-shaped connecting plates 20 are arranged in a flush mode.

In order to better understand the utility model by those skilled in the art, the working process of the utility model is briefly described with reference to the attached drawings: when water flow enters the plate heat exchanger from the cold medium inlet 8, double-layer sealing blocking is sequentially carried out by means of the A sealing rubber gaskets 11 and the A sealing rubber gaskets 10, and teeth of the two A sealing rubber gaskets 10 and teeth of the two A sealing rubber gaskets 11 are meshed with each other, so that the sealing effect can be increased, internal leakage can be effectively prevented, and the water flow entering the cold medium inlet 8 can be guided to flow back from the cold medium outlet 6; when water flow enters the plate heat exchanger from the heat medium inlet 5, double-layer sealing blocking is sequentially carried out by means of the sealing rubber gaskets 13B and the sealing rubber gaskets 12B, and teeth of the two sealing rubber gaskets 12B and teeth of the two sealing rubber gaskets 13B are meshed with each other, so that the sealing effect can be increased, internal leakage can be effectively prevented, the water flow entering the heat medium inlet 5 can be guided to enter the plate heat exchanger from the heat medium outlet 7, and the whole plate heat exchanger can effectively realize heat exchange circulation; under the condition that the plate heat exchanger needs to be dismantled by inner leakage, the corresponding plate is found according to the position of the inner leakage, and the locking bolt 18 and the fastening bolt 21 which correspond to the plate and the tightening bolt 23 are arranged, so that under the condition that all the A plate pieces 3 and the B plate pieces 4 do not need to be dismantled, a certain plate piece is independently replaced, and the condition that the inner leakage plate piece cannot be found by the plate in a disordered mode during dismantling can be reduced.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prevent interior board heat exchanger who leaks, fixed pressure strip (1) and activity pressure strip (2) that set up around including, its characterized in that: equidistance is crisscross between fixed pressure strip (1) and activity pressure strip (2) and is equipped with A slab (3) and B slab (4), parallel hot medium import (5) and cold medium export (6) about having seted up respectively on fixed pressure strip (1) upper portion, parallel hot medium export (7) and cold medium import (8) about having seted up respectively in fixed pressure strip (1) lower part, the shape size of fixed pressure strip (1), activity pressure strip (2) and A slab (3) and B slab (4) is the same, all set up on A slab (3) and B slab (4) with hot medium import (5) and cold medium export (6) and hot medium export (7) and cold medium import (8) corresponding round slot hole (9), all the adhesion has around in the round slot hole (9) outlying corresponding with hot medium import (5) and hot medium export (7) between A slab (3) rear end face and B slab (4) preceding terminal surface An A sealing rubber ring (10), an A sealing rubber gasket (11) which avoids the periphery of a circular groove hole (9) corresponding to a heat medium inlet (5) and a heat medium outlet (7) is adhered between the rear end face of the A plate (3) and the front end face of the B plate (4), a B sealing rubber ring (12) which surrounds the periphery of the circular groove hole (9) corresponding to a cold medium outlet (6) and a cold medium inlet (8) is adhered between the rear end face of the B plate (4) and the front end face of the A plate (3), a B sealing rubber gasket (13) which avoids the periphery of the circular groove hole (9) corresponding to the cold medium outlet (6) and the cold medium inlet (8) is adhered between the rear end face of the B plate (4) and the front end face of the A plate (3), A mounting grooves (14) with the same specification are formed in the middles of the bottoms of the fixed pressing plate (1), the movable pressing plate (2), the A plate (3) and the B plate (4), the middle of the left side edge and the right side edge of the fixed compression plate (1), the movable compression plate (2), the A plate piece (3) and the B plate piece (4) are respectively provided with a B arranging groove (15) with the same specification, the middle of the upper portion of the fixed compression plate (1), the movable compression plate (2), the A plate piece (3) and the B plate piece (4) are respectively provided with a C arranging groove (16) with the same specification, an A limiting rod (28) and a B limiting rod (17) are respectively arranged in the A arranging groove (14) and the B arranging groove (15), the A limiting rod (28) and the B limiting rod (17) are equidistantly provided with a locking bolt (18), the bottoms and the left side edge and the right side edge of the fixed compression plate (1), the movable compression plate (2), the A plate piece (3) and the B plate piece (4) are respectively provided with a positioning hole (19) matched with the locking bolt (18), and the upper portion of the C arranging groove (16) is equidistantly provided with a, fastening bolt (21) are all installed to bottom in U-shaped even board (20), all seted up in the middle of fixed pressure strip (1), activity pressure strip (2) and A slab (3) and B slab (4) upper portion with fastening bolt (21) assorted mounting hole (22), adjacent still be connected with between U-shaped even board (20) and screw up bolt (23), side middle part all seted up about U-shaped even board (20) and screw up bolt (23) assorted fixed orifices (24).

2. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: a sealing rubber circle (10) and A sealing rubber pad (11) and B sealing rubber circle (12) and B sealing rubber pad (13) lateral surface are equidistance tooth form, two A sealing rubber circle (10) and two the tooth intermeshing of A sealing rubber pad (11), two B sealing rubber circle (12) and two the tooth intermeshing of B sealing rubber pad (13).

3. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: corrugated strips (25) are arranged in the middle of the rear end face of the A plate (3) and the rear end face of the B plate (4), and the directions of the corrugated strips (25) in the middle of the rear end face of the A plate (3) and the rear end face of the B plate (4) are opposite.

4. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: and the heat medium inlet (5), the cold medium outlet (6), the heat medium outlet (7) and the cold medium inlet (8) are respectively provided with a flange (26), and four polyurethane rubber rings (27) are adhered to the periphery of the flange (26), the heat medium inlet (5), the cold medium outlet (6), the heat medium outlet (7) and the cold medium inlet (8).

5. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: the U-shaped connecting plates (20) are the same in specification, and the upper end faces of the U-shaped connecting plates (20) are arranged in parallel and level.