CN217358174U

CN217358174U - High-stability plate heat exchanger

Info

Publication number: CN217358174U
Application number: CN202220204744.5U
Authority: CN
Inventors: 许亚成; 吕永军; 李�浩; 唐亮
Original assignee: Jiangsu Bochini Environmental Protection Technology Co ltd
Current assignee: Jiangsu Bochini Environmental Protection Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-09-02
Anticipated expiration: 2032-01-25

Abstract

The utility model relates to the technical field of heat exchangers, in particular to a high-stability plate heat exchanger, which comprises two brackets, wherein a plurality of heat exchange plates are arranged between the two brackets, a pull rod is also fixed between the two brackets, a heat medium inlet pipe, a cold medium outlet pipe, a cold medium inlet pipe and a heat medium outlet pipe are respectively fixed on one side of one bracket from top to bottom, and filtering mechanisms are respectively arranged on the heat medium inlet pipe and the cold medium inlet pipe; the filtering mechanism comprises two shells, a sealing mechanism is arranged between one of the shells and the heat medium inlet pipe or the cold medium inlet pipe, a threaded pipe is fixed on the side surface of the other shell, a first fixed seat is fixed on the upper part of one of the shells, and a movable seat is fixed on the upper part of the other shell. The utility model discloses, through setting up filtering mechanism, can prefilter the medium, reduce the impurity in the medium to the dismouting that filter screen in the filtering mechanism can be very convenient is changed.

Description

High-stability plate heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field specifically is a high stability plate heat exchanger.

Background

The plate heat exchanger is a heat exchanger formed by stacking metal sheets with certain corrugated shapes, and because thin rectangular channels are formed among various plates, heat exchange can be carried out through the plates, the heat transfer coefficient of the plate heat exchanger is 3-5 times higher than that of a tubular heat exchanger under the condition of the same pressure loss, and the heat recovery rate can reach more than 90%.

Plate heat exchanger carries out the heat transfer through the flow of two kinds of media to medium water is the example, because the self reason of medium, can form incrustation scale or the impurity that is difficult to the clearance on plate heat exchanger's the slab, leads to the medium can not flow smoothly between the slab to influence the effect of heat transfer, in view of this, the utility model provides a high stability plate heat exchanger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high stability plate heat exchanger to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a high-stability plate heat exchanger comprises two supports, wherein a plurality of heat exchange plates are arranged between the two supports, a pull rod is further fixed between the two supports, a heat medium inlet pipe, a cold medium outlet pipe, a cold medium inlet pipe and a heat medium outlet pipe are respectively fixed on one side of one support from top to bottom, and filtering mechanisms are arranged on the heat medium inlet pipe and the cold medium inlet pipe;

the filtering mechanism comprises two shells, a sealing mechanism is arranged between one of the shells and a hot medium inlet pipe or a cold medium inlet pipe, a threaded pipe is fixed on the side surface of the other shell, a first fixed seat is fixed on the upper portion of one of the shells, a movable seat is fixed on the upper portion of the other shell, a first bolt penetrates through the movable seat and the first fixed seat, filter screens are contained on opposite surfaces of the two shells, a screen frame is fixed on the periphery of each filter screen, and the lower portions of the two shells are connected through a quick-release mechanism.

Optionally, the sealing mechanism includes an inner tube, the inner tube is fixed on the side of one of the casings, the outer wall of one end of the hot medium inlet pipe or the cold medium inlet pipe is provided with a thread section, the side of the thread section is fixed with a lantern ring, the periphery of the inner tube is provided with a slot for inserting the lantern ring, the inner tube extends into the lantern ring and is abutted with a first sealing ring in the gap between the inner tube and the cold medium inlet pipe, an internal thread cylinder is fixed on the outer side of the slot, and the internal thread cylinder is in threaded connection with the thread section.

Optionally, a first conical surface is arranged on the periphery of the sleeve ring, a second conical surface which can be matched with the first conical surface in an extruding and cutting manner is arranged on the inner wall of the slot, and a plurality of clearance slots which are arranged in an annular array manner are arranged on the sleeve ring.

Optionally, the distance of the clearance groove is 1-3 cm.

Optionally, the quick release mechanism comprises a second fixed seat, the second fixed seat is fixed on the lower portion of one of the shells, a second bolt penetrates through the inner side of the second fixed seat, a screw rod is fixed on the second bolt, a limiting clamp is fixed on the lower portion of the other shell, a notch is formed in the inner side of the limiting clamp, the screw rod penetrates out of the notch and is connected with an internal thread ring in a threaded manner, and a hand wheel is fixed on the periphery of the internal thread ring.

Optionally, a second sealing ring is abutted in a gap between the screen frame and the two shells.

Compared with the prior art, the utility model discloses possess following beneficial effect: the utility model discloses, through setting up filtering mechanism, can prefilter the medium, reduce the impurity in the medium to the dismouting that filter screen in the filtering mechanism can be very convenient is changed.

Drawings

Fig. 1 is a schematic structural diagram of the heat exchanger of the present invention;

FIG. 2 is a schematic structural view of the filtering mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the rotary connection between the two housings of the present invention;

FIG. 4 is a schematic structural diagram of a side view of the filtering mechanism of the present invention;

fig. 5 is a schematic structural view of the present invention along the sectional view a-a in fig. 4;

fig. 6 is a schematic structural view of the clearance groove formed in the collar of the present invention.

In the figure: 1. a support; 2. a heat exchange plate; 3. a pull rod; 4. a heat medium inlet pipe; 5. a cold medium outlet pipe; 6. a cold medium inlet pipe; 7. a heat medium outlet pipe; 8. a filtering mechanism; 9. a housing; 10. a sealing mechanism; 11. a threaded pipe; 12. a first fixed seat; 13. a movable seat; 14. a first bolt; 15. a filter screen; 16. a screen frame; 17. a quick release mechanism; 18. an inner tube; 19. a threaded segment; 20. a collar; 2001. a first conical surface; 2002. a clearance groove; 21. a slot; 2101. a second tapered surface; 22. a first seal ring; 23. an internal threaded barrel; 24. a second fixed seat; 25. a second bolt; 26. a screw; 27. a limiting card; 2701. a notch; 28. a hand wheel; 29. a second seal ring; 30. an internally threaded ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): please refer to fig. 1 to 6, the utility model provides a high stability plate heat exchanger, including two supports 1, be provided with a plurality of heat transfer boards 2 between two supports 1, still be fixed with pull rod 3 between two supports 1, through the take-up of pull rod 3, tightly extrude all heat transfer boards 2 and be in the same place, one side from the top down of one of them support 1 is fixed with the hot medium respectively and advances pipe 4, cold medium exit tube 5, the cold medium advances pipe 6 and hot medium exit tube 7, wherein the hot medium advances to manage 4 and the cold medium advances to all be provided with filter mechanism 8 on managing 6.

Specifically, the filter mechanism 8 includes two housings 9, and a sealing mechanism 10 is disposed between one housing 9 and the hot medium inlet pipe 4 or the cold medium inlet pipe 6.

Specifically, the sealing mechanism 10 includes an inner tube 18, the inner tube 18 is fixed on a side surface of one of the shells 9, a threaded section 19 is arranged on an outer wall of one end of the heat medium inlet pipe 4 or the cold medium inlet pipe 6, a collar 20 is fixed on a side surface of the threaded section 19, an insertion groove 21 into which the collar 20 is inserted is arranged on the periphery of the inner tube 18, the inner tube 18 extends into the collar 20, a first sealing ring 22 is abutted in a gap between the inner tube and the collar 20, an internal thread cylinder 23 is fixed on an outer side of the insertion groove 21, and the internal thread cylinder 23 is in threaded connection with the threaded section 19.

Furthermore, a first conical surface 2001 is arranged on the periphery of the collar 20, a second conical surface 2101 capable of being matched with the first conical surface 2001 in an extruding and cutting manner is arranged on the inner wall of the slot 21, a plurality of clearance grooves 2002 arranged in an annular array manner are arranged on the collar 20, and along with the screwing of the internal thread cylinder 23 and the thread section 19, the first conical surface 2001 and the second conical surface 2101 are extruded and cut to enable the clearance grooves 2002 to be reduced in an extruding manner, so that the first sealing ring 22 is extruded, the first sealing ring 22 is enabled to be tightly attached to the inner tube 18, the sealing performance is improved, meanwhile, the sealing mechanism 10 is convenient to disassemble, the internal thread cylinder 23 and the thread section 19 are loosened, the first conical surface 2001 is separated from the second conical surface 2101, the extrusion on the first sealing ring 22 is released, and the filtering mechanism 8 can be disassembled.

Further, the distance of the gap groove 2002 is 1-3 cm.

Furthermore, a threaded pipe 11 is fixed on the side surface of the other shell 9 and is used for connecting with an external pipeline, a first fixing seat 12 is fixed on the upper portion of one shell 9, a moving seat 13 is fixed on the upper portion of the other shell 9, a first bolt 14 penetrates between the moving seat 13 and the first fixing seat 12, so that the moving seat 13 can rotate relative to the first fixing seat 12, filter screens 15 are accommodated on the opposite surfaces of the two shells 9, a screen frame 16 is fixed on the periphery of each filter screen 15, and the lower portions of the two shells 9 are connected through a quick-release mechanism 17.

Specifically, the quick release mechanism 17 includes a second fixed seat 24, the second fixed seat 24 is fixed at the lower portion of one of the housings 9, a second bolt 25 penetrates through the inner side of the second fixed seat 24, a screw 26 is fixed on the second bolt 25, a limit clip 27 is fixed at the lower portion of the other housing 9, the inner side of the limit clip 27 has a notch 2701, the screw 26 penetrates through the notch 2701 and is in threaded connection with an internal threaded ring 30, the inner diameter of the notch 2701 is smaller than the outer diameter of the internal threaded ring 30, a handwheel 28 is fixed at the periphery of the internal threaded ring 30, when the handwheel 28 is screwed in the direction of the limit clip 27, the internal threaded ring 30 is driven to extrude the notch 2701, so as to enable the two housings 9 to be firmly attached to each other, further, a second seal ring 29 is respectively arranged in the gap between the net frame 16 and the two housings 9, when the two housings 9 are extruded together, the second seal ring 29 is enabled to be firmly attached to the net frame 16, thereby improving the sealing performance, and simultaneously, the filter screen 15 is convenient to be detached or replaced, the hand wheel 28 is unscrewed in the direction away from the limit card 27, then the screw rod 26 is rotated to rotate the screw rod 26 out of the notch 2701, and then the shell 9 is rotated, so that the filter screen 15 can be detached.

In the heat exchange process of the two media, especially during liquid inlet, the media can be pre-filtered through the filtering of the filter screen 15, so that impurities in the media are reduced, and the heat exchange effect is improved.

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.

Claims

1. The utility model provides a high stability plate heat exchanger, includes two supports (1), is provided with a plurality of heat transfer boards (2) between two supports (1), still is fixed with pull rod (3), its characterized in that between two supports (1): a heat medium inlet pipe (4), a cold medium outlet pipe (5), a cold medium inlet pipe (6) and a heat medium outlet pipe (7) are respectively fixed on one side of one of the supports (1) from top to bottom, and filtering mechanisms (8) are respectively arranged on the heat medium inlet pipe (4) and the cold medium inlet pipe (6);

the filter mechanism (8) comprises two shells (9), wherein a sealing mechanism (10) is arranged between one shell (9) and the hot medium inlet pipe (4) or the cold medium inlet pipe (6), a threaded pipe (11) is fixed on the side surface of the other shell (9), a first fixed seat (12) is fixed on the upper portion of one shell (9), a movable seat (13) is fixed on the upper portion of the other shell (9), a first bolt (14) penetrates through the movable seat (13) and the first fixed seat (12), a filter screen (15) is accommodated on the opposite surface of the two shells (9), a screen frame (16) is fixed on the periphery of the filter screen (15), and the lower portions of the two shells (9) are connected through a quick-release mechanism (17).

2. A high stability plate heat exchanger according to claim 1, wherein: sealing mechanism (10) include inner tube (18), the side at one of them casing (9) is fixed in inner tube (18), the one end outer wall that hot medium entered pipe (4) or cold medium entered pipe (6) is provided with screw thread section (19), the side of screw thread section (19) is fixed with lantern ring (20), the periphery of inner tube (18) is provided with the confession lantern ring (20) male slot (21), inner tube (18) extend into the inside of lantern ring (20) and conflict in the clearance of the two has first sealing washer (22), the outside of slot (21) is fixed with an internal thread section of thick bamboo (23), internal thread section of thick bamboo (23) with screw thread section (19) threaded connection.

3. A high stability plate heat exchanger according to claim 2, wherein: the outer periphery of the lantern ring (20) is provided with a first conical surface (2001), the inner wall of the slot (21) is provided with a second conical surface (2101) which can be in extrusion cutting fit with the first conical surface (2001), and the lantern ring (20) is provided with a plurality of clearance grooves (2002) which are arranged in an annular array.

4. A high stability plate heat exchanger according to claim 3, wherein: the distance of the gap groove (2002) is 1-3 cm.

5. A high stability plate heat exchanger according to claim 1, wherein: quick detach mechanism (17) are including second stationary ladle (24), the lower part in one of them casing (9) is fixed in second stationary ladle (24), the inboard of second stationary ladle (24) is run through and is had second bolt (25), be fixed with screw rod (26) on second bolt (25), the lower part of another casing (9) is fixed with spacing card (27), the inboard of spacing card (27) has breach (2701), screw rod (26) are worn out behind breach (2701) and threaded connection have interior screw ring (30), the periphery of interior screw ring (30) is fixed with hand wheel (28).

6. A high stability plate heat exchanger according to claim 1, wherein: and second sealing rings (29) are abutted in gaps between the screen frame (16) and the two shells (9).