CN220771993U

CN220771993U - Plate heat exchanger

Info

Publication number: CN220771993U
Application number: CN202322170553.9U
Authority: CN
Inventors: 陈斌; 王明军; 陈红
Original assignee: Anhui Da'an Transportation Technology Co ltd
Current assignee: Anhui Da'an Transportation Technology Co ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-04-12
Anticipated expiration: 2033-08-10

Abstract

The utility model belongs to the field of plate heat exchangers, in particular to a plate heat exchanger which comprises two groups of clamping plates, wherein a plurality of groups of plates are arranged between the two groups of clamping plates, and a water inlet and a water outlet are formed in the clamping plates; the filter device comprises a water inlet, a filter mechanism is arranged at the water inlet, the sheet comprises a device shell, a fixed column is fixedly connected to the inner wall of the device shell, the fixed column is in butt joint with a filter element, the filter element is sleeved inside the device shell, threads are arranged on the inner wall of the front end of the device shell, the device shell is in threaded connection with an end cover, a filter screen is fixedly connected to the rear end of the device shell, a sealing groove is arranged on the front end of the device shell, a sealing ring is fixedly connected to the sealing groove, and the sealing ring is in butt joint with the rear end of the end cover; through the structural design of the filtering mechanism, the function of filtering water entering the plate is realized.

Description

Plate heat exchanger

Technical Field

The utility model relates to the field of plate heat exchangers, in particular to a plate heat exchanger.

Background

Plate heat exchangers are a common type of heat exchanger and are widely used in the refrigeration, heating ventilation, air conditioning, oil cooling and other industries by virtue of their high heat transfer efficiency.

A conventional plate heat exchanger generally consists of two clamping plates, and metal plates and sealing gaskets sandwiched between the two clamping plates, wherein the metal plates are stacked on each other, and the metal plates separate cold and hot fluids, flow through flow channels on both sides, and finally exchange heat through the plates.

In the long-time use process of the traditional plate heat exchanger, scale is inevitably generated in the plate heat exchanger, and the scale can reduce the heat exchange efficiency of the plate heat exchanger, so that the heat exchange time is increased, and the normal use is affected; therefore, a plate heat exchanger is proposed for the above-mentioned problems.

Disclosure of Invention

In order to make up the deficiency of the prior art, the inside of the traditional plate heat exchanger is inevitably provided with scale in the long-time use process, and the scale can reduce the heat exchange efficiency of the plate heat exchanger, so that the heat exchange time is increased and the normal use is influenced.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a plate heat exchanger, which comprises two groups of clamping plates, wherein a plurality of groups of plates are arranged between the two groups of clamping plates, and a water inlet and a water outlet are formed in the clamping plates; the filter device comprises a water inlet, and is characterized in that a filtering mechanism is arranged at the water inlet, the sheet comprises a device shell, a fixing column is fixedly connected to the inner wall of the device shell, the fixing column is in butt joint with a filter element, the filter element is sleeved inside the device shell, threads are arranged on the inner wall of the front end of the device shell, the device shell is in threaded connection with an end cover, and a filter screen is fixedly connected to the rear end of the device shell.

Preferably, a sealing groove is formed in the front end of the device shell, a sealing ring is fixedly connected in the sealing groove, and the sealing ring is abutted to the rear end of the end cover.

Preferably, four groups of connecting blocks are fixedly connected to the rear end of the device shell, the connecting blocks are fixedly connected with the clamping blocks, the connecting blocks are in butt joint with the notch, and the notch is formed in the fixing plate.

Preferably, the fixing plate is fixedly connected to the top end of the long groove, the long groove is formed in the water inlet, the abutting block is fixedly connected to the inside of the long groove, and the abutting block abuts against the clamping block.

Preferably, one side of the clamping block away from the propping block is propped against the jacking block, a spring is fixedly connected to one side of the jacking block, and one end of the spring away from the jacking block is fixedly connected to the inner wall of the long groove.

Preferably, the top block is fixedly connected with a sliding block, the sliding block is slidably connected in a sliding groove, and the sliding groove is formed in the inner wall of the long groove.

The utility model has the advantages that:

1. according to the utility model, through the structural design of the filtering mechanism, the function of filtering water entering the plate is realized, and the problems that in the long-time use process of the traditional plate heat exchanger, scale is unavoidably generated in the plate heat exchanger, the heat exchange efficiency of the plate heat exchanger is reduced, the heat exchange time is increased, and the normal use is influenced are solved;

2. according to the utility model, through the structural design of the sealing groove and the sealing ring, the function of sealing the threaded connection part between the front end of the device shell and the end cover is realized, and the problem of water leakage caused by poor sealing property of the connection part between the device shell and the end cover is avoided.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the mounting structure of the filter mechanism of the present utility model;

FIG. 3 is a schematic view of the structure of the water inlet of the present utility model;

FIG. 4 is a schematic cross-sectional view of a filter mechanism according to the present utility model;

fig. 5 is a schematic structural view of the filtering mechanism of the present utility model.

In the figure: 1. a clamping plate; 20. a plate; 21. a water inlet; 22. a water outlet; 23. a device housing; 24. fixing the column; 25. a filter element; 26. sealing grooves; 27. a seal ring; 28. an end cap; 29. a filter screen; 30. a connecting block; 31. a clamping block; 32. a fixing plate; 33. a notch; 34. abutting blocks; 35. a long groove; 36. a slide block; 37. a top block; 38. a chute; 39. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a plate heat exchanger includes two sets of clamping plates 1, a plurality of sets of plates 20 are arranged between the two sets of clamping plates 1, and a water inlet 21 and a water outlet 22 are formed on the clamping plates 1; the water inlet 21 is provided with a filtering mechanism, the plate 20 comprises a device shell 23, a fixed column 24 is fixedly connected to the inner wall of the device shell 23, the fixed column 24 is abutted to a filter element 25, the filter element 25 is sleeved in the device shell 23, the inner wall of the front end of the device shell 23 is provided with threads, the device shell 23 is in threaded connection with an end cover 28, and the rear end of the device shell 23 is fixedly connected with a filter screen 29;

during operation, in the long-time use process of the traditional plate heat exchanger, scale can be unavoidably generated in the plate heat exchanger, and the heat exchange efficiency of the plate heat exchanger can be reduced, so that the heat exchange time is increased, normal use is influenced, the function of filtering water entering the plate 20 is realized through the structural design of the filtering mechanism, firstly, water enters the water inlet 21 through the filtering mechanism and then flows out of the water outlet 22, in the process of the filtering mechanism, impurities of water quality can be filtered by the filter element 25 in the device shell 23 firstly, the filter screen 29 is fixedly connected to the front end of the device shell 23, after the water filtered by the filter element 25 is filtered again, the water enters the flow channel in the plate 20 from the water inlet 21 finally, the fixing column 24 is fixedly connected to the filter element 25 in the device shell 23 through the fixing column 24, the filter element 25 is prevented from moving in the device shell 23, and the end cover 28 is further connected to the front end of the device shell 23 through threads so as to open the device shell 23 for replacing or cleaning the filter element 25.

Further, a sealing groove 26 is formed in the front end of the device housing 23, a sealing ring 27 is fixedly connected in the sealing groove 26, and the sealing ring 27 is abutted against the rear end of the end cover 28;

during operation, through the structural design of seal groove 26 and sealing washer 27, realized carrying out the function of sealed to the screwed connection department between device shell 23 front end and the end cover 28, avoid the device shell 23 and the poor problem that leads to leaking of the leakproofness of the junction of end cover 28.

Further, four groups of connecting blocks 30 are fixedly connected to the rear end of the device housing 23, the connecting blocks 30 are fixedly connected with clamping blocks 31, the connecting blocks 30 are abutted with notch 33, and the notch 33 is formed in a fixing plate 32;

in operation, the connection block 30 is abutted with the notch 33, so that the device is pre-fixed when the rear end of the device housing 23 is mounted on the water inlet 21, and meanwhile, the connection block 30 is prevented from moving.

Further, the fixing plate 32 is fixedly connected to the top end of the long groove 35, the long groove 35 is opened inside the water inlet 21, a supporting block 34 is fixedly connected inside the long groove 35, and the supporting block 34 is in supporting connection with the clamping block 31;

when the filter mechanism works, the fixing plate 32 is fixed at the top end of the long groove 35, when the clamping block 31 is inserted into the long groove 35, the filter mechanism is prevented from falling from the water inlet 21 through the abutting of the inner wall of the fixing plate 32 and the clamping block 31, the abutting block 34 is fixedly connected to the long groove 35, and the abutting block 34 abuts against the clamping block 31, so that the clamping block 31 is prevented from being in direct contact with the inner wall of the long groove 35.

Further, a side of the clamping block 31 away from the abutting block 34 abuts against the top block 37, a spring 39 is fixedly connected to one side of the top block 37, and one end of the spring 39 away from the top block 37 is fixedly connected to the inner wall of the long groove 35;

during operation, one side of the clamping block 31 is abutted against the top block 37, the top block 37 is fixedly connected with the sliding groove 38, the top block 37 is pushed by the sliding groove 38 to fix the clamping block 31 in the long groove 35, the clamping block 31 is fixed, and when the clamping block 31 is required to be taken out from the long groove 35, the clamping block 31 is only required to be rotated in reverse time until the clamping block 31 is not abutted against the inner wall of the fixing plate 32.

Further, a sliding block 36 is fixedly connected to the top block 37, the sliding block 36 is slidably connected to a sliding groove 38, and the sliding groove 38 is formed on the inner wall of the long groove 35;

in operation, the slide block 36 is slidably connected to the slide groove 38, so that the stopper 37 can move only in the long groove 35, and the abutment of the stopper 37 against the block 31 is ensured.

Working principle: in the long-time use process of the traditional plate heat exchanger, scale can be unavoidably generated in the plate heat exchanger, and the heat exchange efficiency of the plate heat exchanger can be reduced, so that the heat exchange time is increased, normal use is influenced, the function of filtering water entering the plate 20 is realized through the structural design of the filtering mechanism, firstly, water enters the water inlet 21 through the filtering mechanism, and flows out from the water outlet 22, in the process of passing through the filtering mechanism, impurities of water quality can be filtered by the filter element 25 in the device shell 23, the filter screen 29 is fixedly connected to the front end of the device shell 23, after the water filtered by the filter element 25 is filtered again, the filtered water enters the flow channel in the plate 20 from the water inlet 21 finally, wherein the fixing column 24 is fixedly connected to the filter element 25 in the device shell 23 through the fixing column 24, the filter element 25 is prevented from moving in the device shell 23, and the front end of the device shell 23 is further connected with the end cover 28 through threads so as to conveniently open the device shell 23, and the filter element 25 is replaced or cleaned.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The plate heat exchanger comprises two groups of clamping plates (1), a plurality of groups of plates (20) are arranged between the two groups of clamping plates (1), and a water inlet (21) and a water outlet (22) are formed in the clamping plates (1); the method is characterized in that: the water inlet (21) department is provided with filtering mechanism, slab (20) are including device shell (23), fixedly connected with fixed column (24) on the inner wall of device shell (23), fixed column (24) and filter core (25) butt, filter core (25) cover is established in the inside of device shell (23), set up the screw thread on the inner wall of device shell (23) front end, just device shell (23) and end cover (28) threaded connection, the rear end fixedly connected with filter screen (29) of device shell (23).

2. A plate heat exchanger according to claim 1, wherein: the front end of the device shell (23) is provided with a sealing groove (26), a sealing ring (27) is fixedly connected in the sealing groove (26), and the sealing ring (27) is abutted with the rear end of the end cover (28).

3. A plate heat exchanger according to claim 2, wherein: four groups of connecting blocks (30) are fixedly connected to the rear end of the device shell (23), the connecting blocks (30) are fixedly connected with the clamping blocks (31), the connecting blocks (30) are abutted to the notch (33), and the notch (33) is formed in the fixing plate (32).

4. A plate heat exchanger according to claim 3, wherein: the fixing plate (32) is fixedly connected to the top end of the long groove (35), the long groove (35) is formed in the water inlet (21), the abutting block (34) is fixedly connected to the inside of the long groove (35), and the abutting block (34) abuts against the clamping block (31).

5. A plate heat exchanger according to claim 4, wherein: one side of the clamping block (31) away from the supporting block (34) is in supporting connection with the top block (37), a spring (39) is fixedly connected to one side of the top block (37), and one end of the spring (39) away from the top block (37) is fixedly connected to the inner wall of the long groove (35).

6. A plate heat exchanger according to claim 5, wherein: the top block (37) is fixedly connected with a sliding block (36), the sliding block (36) is slidably connected in a sliding groove (38), and the sliding groove (38) is formed in the inner wall of the long groove (35).