CN219551279U - Low-temperature-resistant plate heat exchanger - Google Patents

Abstract

The utility model discloses a low-temperature-resistant plate type heat exchanger which comprises a first limiting plate, a heat exchange plate and a second limiting plate, wherein a water inlet is formed in the outer side wall of the second limiting plate, a filtering component is detachably connected to the water inlet end of the water inlet through a bolt, the filtering component comprises a filtering cylinder, a filtering net, a hairbrush plate, a collecting bottle, a threaded port and a connecting column, the filtering net is detachably connected to the inside of the filtering cylinder, the hairbrush plate is arranged on the outer side surface of the filtering net, the filtering net port is formed in the lower surface of the filtering cylinder, the top end of the collecting bottle is fixedly connected with the connecting column, and the collecting bottle is in threaded connection with the threaded port formed in the lower surface of the filtering cylinder through the connecting column. According to the utility model, the cleaning structure is arranged to effectively clean the filtering mechanism in the heat exchanger, so that the filtering effect is ensured, sundries are prevented from entering the heat exchanger, and the heat exchange effect of the heat exchanger is ensured.

Description

Low-temperature-resistant plate heat exchanger

Technical Field

The utility model relates to the technical field of plate heat exchangers, in particular to a low-temperature-resistant plate heat exchanger.

Background

A heat exchanger is a device that transfers a portion of the heat of a hot fluid to a cold fluid, also known as a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum, power, food and other industrial production, and can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in the chemical industry, so that the heat exchanger has wide application range. The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed between the various plates through which heat is exchanged.

The patent number CN201910412194.9 discloses a plate heat exchanger, which comprises a heat exchanger body and a filter screen sleeve arranged in the heat exchanger body, wherein an annular cleaning brush is connected to the inner wall of the filter screen sleeve in a sliding manner, a reciprocating screw rod is rotationally connected to the filter screen sleeve, a screw nut is rotationally connected to the reciprocating screw rod, at least one mounting support rod is fixedly connected to the screw nut, the mounting support rod is detachably connected to the annular cleaning brush, an impeller is fixedly connected to the reciprocating screw rod, clamping rods are symmetrically arranged in the filter screen sleeve, a small hydraulic cylinder is fixedly connected to the side wall of the filter screen sleeve, an output shaft of the small hydraulic cylinder is fixedly connected to the clamping rods, and the end part of the clamping rods is in sliding extrusion with the reciprocating screw rod; the utility model has the effect of avoiding the influence on the heat exchange efficiency of the heat exchanger caused by the blocking of the meshes of the filter screen.

The plate heat exchanger has the following defects: the reciprocating screw rod rotates to drive the annular cleaning brush to rotate during heat exchange, so that the filter screen sleeve is cleaned, the filter screen mesh is prevented from being blocked, the heat exchange efficiency is ensured, sundries can be remained inside the filter screen cylinder during cleaning, the later stage is inconvenient to carry out, the cleaning effect of the cleaning structure can be affected when the sundries are accumulated more, the filter mechanism is blocked, and the heat exchange effect is affected. For this purpose we propose a low temperature resistant plate heat exchanger.

Disclosure of Invention

The utility model mainly aims to provide a low-temperature-resistant plate heat exchanger which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a low temperature resistant plate heat exchanger, includes first limiting plate, heat exchange plate and second limiting plate, the water inlet has been seted up to second limiting plate lateral wall, the water inlet end is connected with filter component through the bolt can be dismantled, filter component includes cartridge filter, filter screen, brush board, collecting bottle, screw thread mouth and spliced pole, the filter screen can be dismantled and is connected inside the cartridge filter, the brush board sets up at the filter screen outside surface, the filter screen mouth is seted up at the cartridge filter lower surface, collecting bottle top fixedly connected with spliced pole, and the screw thread mouth threaded connection that the collecting bottle was seted up through spliced pole and cartridge filter lower surface.

Further, the outer side wall of the first limiting plate is embedded and connected with a servo motor, the power output end of the servo motor is detachably connected with a transmission rod, and the power output end of the transmission rod is detachably connected with the hairbrush plate.

Further, the transmission rod comprises a first loop bar, a threaded rod and a second loop bar, wherein the threaded rod is in threaded connection with the outer end of the first loop bar, and the second loop bar is in threaded connection with the outer end of the threaded rod.

Further, a water inlet channel is formed in the upper end of the inner portion of the heat exchange plate, and a water drainage channel is formed in the lower end of the inner portion of the heat exchange plate.

Further, a water outlet is formed in the lower end of the outer side of the second limiting plate, and the water outlet is connected with a drain pipe of the drain channel in an intercommunication mode.

Further, the connecting rods are arranged at the top end and the bottom end of the first limiting plate and the second limiting plate, and penetrate through the first limiting plate and the second limiting plate to extend to the outer side, and fixing bolts are connected at two ends of the connecting rods in a threaded mode.

Further, the heat exchange plate is a ceramic heat exchange plate.

Compared with the prior art, the utility model has the following beneficial effects: 1. according to the utility model, a filter structure is formed by arranging the filter cylinder, the filter screen, the brush plate, the collecting bottle, the threaded opening and the connecting column, liquid passes through the filter structure to enter the water inlet in the heat exchange process, and in the conveying process, the filter plate in the filter cylinder filters the liquid to prevent sundries from entering the heat exchange plate, and meanwhile, the servo motor drives the brush plate on the surface of the filter plate to rotate through the transmission rod, so that the surface of the filter screen is scrubbed, the filter screen is prevented from being blocked, the heat exchange effect is ensured, and meanwhile, the filtered sundries fall into the collecting bottle along the threaded opening after heat exchange and twist the collecting bottle outwards, so that the collecting bottle is quickly detached and the interior of the collecting bottle is dumped, the quick cleaning of sundries in the filter cylinder is realized, the sundries are prevented from being pushed in the filter cylinder after long-term use, the filtering effect of the filter cylinder is ensured, and the heat exchange effect of the heat exchanger is ensured; 2. according to the utility model, the transmission rod is formed by the first loop bar, the threaded rod and the second loop bar, the transmission rod is driven to rotate by the servo motor to perform power transmission during cleaning, and the threaded rod is rotated back and forth according to the long-term use of the heat exchanger body when the heat exchanger body is used, so that the first loop bar and the second loop bar move back and forth along the threads, the long-term adjustment of the transmission rod is facilitated, the length of the transmission rod is conveniently adjusted according to the change of the degree of the heat exchanger body, the transmission use during cleaning of heat exchangers with different lengths can be satisfied, the cleaning effect is ensured, meanwhile, the heat exchange effect of the heat exchanger can be effectively ensured due to the characteristics of the ceramic heat exchange plate.

Drawings

Fig. 1 is a schematic view of the overall structure of a low temperature resistant plate heat exchanger according to the present utility model.

Fig. 2 is a schematic view of the whole structure of a low temperature resistant plate heat exchanger according to the present utility model.

Fig. 3 is a schematic structural view of a filter assembly of a low temperature resistant plate heat exchanger according to the present utility model.

Fig. 4 is a schematic structural view of a transmission rod of the low temperature resistant plate heat exchanger.

In the figure: 1. a first limiting plate; 2. a connecting rod; 3. a heat exchange plate; 4. a second limiting plate; 5. a fixing bolt; 6. a water outlet; 7. a water inlet; 8. a filter assembly; 9. a water inlet channel; 10. a servo motor; 11. a transmission rod; 12. a drainage channel; 801. a filter cartridge; 802. a filter screen; 803. a brush plate; 804. a collection bottle; 805. a threaded port; 806. a connecting column; 1101. a first loop bar; 1102. a threaded rod; 1103. and a second loop bar.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a low temperature resistant plate heat exchanger, including first limiting plate 1, heat exchanger plate 3 and second limiting plate 4, water inlet 7 has been seted up to second limiting plate 4 lateral wall, water inlet 7 water inlet end is connected with filter component 8 through the bolt can be dismantled, filter component 8 includes cartridge filter 801, filter screen 802, brush board 803, collecting bottle 804, screw hole 805 and spliced pole 806, filter screen 802 can be dismantled and is connected inside cartridge filter 801, brush board 803 sets up at filter screen 802 outside surface, the filter screen 802 mouth is seted up at cartridge filter 801 lower surface, collecting bottle 804 top fixedly connected with spliced pole 806, and the screw hole 805 threaded connection that collecting bottle 804 was seted up through spliced pole 806 and cartridge filter 801 lower surface.

The outer side wall of the first limiting plate 1 is embedded and connected with a servo motor 10, the power output end of the servo motor 10 is detachably connected with a transmission rod 11, the power output end of the transmission rod 11 is detachably connected with a hairbrush plate 803, the transmission rod 11 consists of a first sleeve rod 1101, a threaded rod 1102 and a second sleeve rod 1103, the threaded rod 1102 is in threaded connection with the outer end of the first sleeve rod 1101, and the second sleeve rod 1103 is in threaded connection with the outer end of the threaded rod 1102; when the heat exchanger body is used, the threaded rod 1102 is rotated back and forth according to the long term of the heat exchanger body, so that the first loop bar 1101 and the second loop bar 1103 move back and forth along the threads, the long term of the transmission rod 11 is conveniently adjusted, the length of the transmission rod 11 is conveniently adjusted according to the change of the degree of the heat exchanger body, the transmission use during cleaning of heat exchangers with different lengths can be met, and the cleaning effect is ensured.

The upper end of the inside of the heat exchange plate is provided with a water inlet channel 9, the lower end of the inside of the heat exchange plate 3 is provided with a water outlet channel 12, the lower end of the outside of the second limiting plate 4 is provided with a water outlet 6, the water outlet 6 is connected with a water outlet pipe of the water outlet channel 12 in an intercommunication way, the top end and the bottom end of the first limiting plate 1 and the bottom end of the second limiting plate 4 are respectively provided with a connecting rod 2, the connecting rods 2 penetrate through the first limiting plate 1 and the second limiting plate 4 to extend to the outside, and the two ends of the connecting rods 2 are respectively connected with a fixing bolt 5 in a threaded manner; the water is conveniently conveyed into the heat exchange plate 3 through the water inlet channel 9, the liquid flows in the heat exchange plate 3, the liquid flows out of the heat exchange plate 3 through the water storage port and the water discharge channel 12, the circulating circulation of the liquid can be realized, the heat exchange is effectively carried out, the connection is convenient to connect and fix the first limiting plate 1 and the second limiting plate 4 when the heat exchanger is assembled through the connecting rod 2 and the fixing bolt 5, and the heat exchanger is convenient to assemble and use.

Wherein the heat exchange plate 3 is a ceramic heat exchange plate 3; the ceramic heat exchange plate 3 can effectively resist high temperature and low temperature by the characteristics of the ceramic heat exchange plate, and the heat exchange effect of the heat exchanger is ensured.

It should be noted that, the utility model is a low temperature resistant plate heat exchanger, in operation, a plurality of heat exchange plates 3 are assembled between a first limiting plate 1 and a second limiting plate 4, and penetrate through the first limiting plate 1 and the second limiting plate 4 through a connecting rod 2, and the two ends are limited and fixed through bolts, thereby completing the assembly of the heat exchanger, a water inlet 7 is used to convey a water body into a water inlet channel 9 in the heat exchange plates 3 through a filtering component 8 and an external liquid conveying pipe, so that the water body flows along the channel in the heat exchange plates 3 and is discharged outwards along a water discharge channel 12, and the liquid circularly flows in the heat exchanger, thereby effectively exchanging heat.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present 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. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a low temperature resistant plate heat exchanger, includes first limiting plate (1), heat exchanger plate (3) and second limiting plate (4), its characterized in that, water inlet (7) have been seted up to second limiting plate (4) lateral wall, water inlet (7) are intake and are held and can be dismantled through the bolt and be connected with filter module (8), filter module (8) are including cartridge filter (801), filter screen (802), brush board (803), collecting bottle (804), screw thread mouth (805) and spliced pole (806), filter screen (802) can be dismantled and connect inside cartridge filter (801), brush board (803) set up at filter screen (802) outside surface, filter screen (802) mouth is seted up at cartridge filter (801) lower surface, collecting bottle (804) top fixedly connected with spliced pole (806), and screw thread mouth (805) that filter cartridge filter (801) lower surface were seted up through spliced pole (806) collecting bottle (804).

2. A low temperature resistant plate heat exchanger according to claim 1, wherein: the outer side wall of the first limiting plate (1) is embedded and connected with a servo motor (10), a power output end of the servo motor (10) is detachably connected with a transmission rod (11), and the power output end of the transmission rod (11) is detachably connected with a hairbrush plate (803).

3. A low temperature resistant plate heat exchanger according to claim 2, wherein: the transmission rod (11) comprises a first loop bar (1101), a threaded rod (1102) and a second loop bar (1103), wherein the threaded rod (1102) is in threaded connection with the outer end of the first loop bar (1101), and the second loop bar (1103) is in threaded connection with the outer end of the threaded rod (1102).

4. A low temperature resistant plate heat exchanger according to claim 1, wherein: the upper end of the inside of the heat exchange plate (3) is provided with a water inlet channel (9), and the lower end of the inside of the heat exchange plate (3) is provided with a water outlet channel (12).

5. A low temperature resistant plate heat exchanger according to claim 1, wherein: the lower end of the outer side of the second limiting plate (4) is provided with a water outlet (6), and the water outlet (6) is connected with a drain pipe of the drain channel (12) in an intercommunication way.

6. A low temperature resistant plate heat exchanger according to claim 1, wherein: the connecting rod is characterized in that connecting rods (2) are arranged at the top end and the bottom end of the first limiting plate (1) and the second limiting plate (4), the connecting rods (2) penetrate through the first limiting plate (1) and the second limiting plate (4) to extend to the outer side, and fixing bolts (5) are connected at two ends of the connecting rods (2) in a threaded mode.

7. A low temperature resistant plate heat exchanger according to claim 1, wherein: the heat exchange plate (3) is a ceramic heat exchange plate (3).