CN219110865U

CN219110865U - Recovery device for condensing gas at top of rectifying tower

Info

Publication number: CN219110865U
Application number: CN202320247206.9U
Authority: CN
Inventors: 邵继辉
Original assignee: Wuhan Tianlang Environmental Protection Technology Co ltd
Current assignee: Wuhan Tianlang Environmental Protection Technology Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-06-02
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a recovery device for condensed gas at the top of a rectifying tower, which relates to the technical field of rectifying tower equipment. The beneficial effects of the utility model are as follows: this recovery unit of rectifying column top congeals gas, through the heating pipe of conveying pipe one end installation, and the heating pipe is dual structure, cooperation fluid-discharge pipe one end installation switching-over valve, the cold water that makes behind the congealing gas heat transfer can be directly discharged according to the demand, perhaps enters into the heating pipe through the honeycomb duct and heats the back in, sends into other usage, carries out the reutilization with the fluidic waste heat cooperation congeals gas cold water after heating, is favorable to avoiding extravagant.

Description

Recovery device for condensing gas at top of rectifying tower

Technical Field

The utility model relates to the technical field of rectifying tower equipment, in particular to a recovery device for condensed gas at the top of a rectifying tower.

Background

The rectifying tower is a tower type gas-liquid contact device for rectifying, and is widely applied to petrochemical production along with the rapid development of industry, the rectifying tower is advanced in the rectifying technology, the technology development of the chemical processing industry is greatly stimulated, and the application of the rectifying technology is not separated from the existence of the rectifying tower.

The application number CN202122372884.1 discloses a rectifying tower and a recovery device of condensed gas at the top of the rectifying tower, wherein the water outlet end of the heat pump device is communicated with a feeding device of the rectifying tower, so that vaporized water can heat fluid entering the rectifying tower, a heat source is reused on site, the utilization rate of the heat source is improved, and in addition, the trouble of laying a large number of pipelines by people is saved.

In the condensed gas recovery structure of the above application, the heated fluid has a certain amount of heat in the circulation process, the heat is not applied, the waste of heat energy can be caused, and the cold water generated after the condensed gas heat exchange is directly discharged, so that the waste is also caused.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a recovery device for condensed gas at the top of a rectifying tower, which solves the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a recovery unit of rectifying column top congeals gas, includes the body of a tower, one side fixedly connected with air supply pipe of body of a tower, the one end fixedly connected with heat transfer pump of air supply pipe, the drain pipe is installed to the bottom of heat transfer pump, the output and the input of heat transfer pump are connected with inlet pipe and conveying pipe respectively, the one end fixedly connected with first heating pipe of conveying pipe, the one end that the conveying pipe was kept away from to first heating pipe is connected with the conveyer pipe, the internally mounted of first heating pipe has the second heating pipe, the switching-over valve is installed to the one end of drain pipe, one side of switching-over valve is connected with first honeycomb duct and second honeycomb duct respectively, the one end of second honeycomb duct extends to the inside of first heating pipe to twine the outer wall fixedly connected with filter at the second heating pipe, the internally mounted of filter has the filter screen, the bottom erection joint of filter has the hot-water line.

Preferably, the heat exchange pump comprises an evaporator, a compressor and a condenser.

Preferably, convex grooves are formed in two corresponding sides of the inside of the filter, convex blocks are connected in a sliding mode in the convex grooves, scraping plates are fixedly connected between the two convex blocks, one of the convex grooves is rotationally connected with a reciprocating screw rod, and the reciprocating screw rod penetrates through one of the convex blocks and is in threaded connection with the other convex block.

Preferably, connectors matched with the second guide pipes are arranged on two corresponding sides of the bottom of the first heating pipe, and sealing gaskets are arranged in the connectors.

Preferably, a motor is installed on the inner wall of the filter, and the output end of the motor is fixedly connected with the reciprocating screw rod.

Preferably, one end of the conveying pipe extends to a feeding hole of the tower body.

Preferably, the critical temperature of the refrigerant in the heat exchange pump is higher than 140 ℃, so that the water source is heated to form water vapor.

The utility model provides a recovery device for condensed gas at the top of a rectifying tower, which has the following beneficial effects:

1. this recovery unit of rectifying column top congeals gas, through the heating pipe of conveying pipe one end installation, and the heating pipe is dual structure, cooperation fluid-discharge pipe one end installation switching-over valve, the cold water that makes behind the congealing gas heat transfer can be directly discharged according to the demand, perhaps enters into the heating pipe through the honeycomb duct and heats the back in, sends into other usage, carries out the reutilization with the fluidic waste heat cooperation congeals gas cold water after heating, is favorable to avoiding extravagant.

2. This recovery unit of rectifying column top congeals gas, filter through hot-water line one end installation can intercept the incrustation scale in the rivers under the effect of filter screen in the filter, avoids the pipeline to block up, and one side of filter screen is provided with movable scraper blade, can displace repeatedly through the drive structure, scrapes the incrustation scale of adhesion on the filter screen, ensures the normal circulation of rivers.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a schematic diagram of a filter structure according to the present utility model;

fig. 4 is a schematic view of a partial structure of the present utility model.

In the figure: 1. a tower body; 2. an air supply pipe; 3. a heat exchange pump; 4. a liquid discharge pipe; 5. a feed pipe; 6. a feed pipe; 7. a first heating pipe; 8. a delivery tube; 9. a second heating pipe; 10. a reversing valve; 11. a first draft tube; 12. a second flow guide pipe; 13. a filter; 14. a filter screen; 15. a hot water pipe; 16. a convex groove; 17. a male block; 18. a scraper; 19. a reciprocating screw rod; 20. and a motor.

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.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a recovery unit of rectifying column top congeals gas, including body of a tower 1, one side fixedly connected with air pipe 2 of body of a tower 1, the one end fixedly connected with heat transfer pump 3 of air pipe 2, the drain pipe 4 is installed to the bottom of heat transfer pump 3, the output and the input of heat transfer pump 3 are connected with inlet pipe 5 and conveying pipe 6 respectively, heat transfer pump 3 includes the evaporimeter, a compressor, the condenser, be convenient for carry out the heat transfer to congeals gas, the critical temperature of refrigerant is higher than 140 ℃ in the heat transfer pump 3, so that the water source is heated and is formed vapor, not only can fully absorb the heat in congealing gas, can also give off the heat in the refrigerant out better, the one end fixedly connected with first heating pipe 7 of conveying pipe 6, the one end that conveying pipe 6 was kept away from to first heating pipe 7 is connected with conveyer pipe 8, the one end of conveyer pipe 8 extends to the feed inlet of body of a tower 1, the utility model is convenient for delivering the heated material fluid into the tower body 1, the heat source is reused on site, the utilization rate of the heat source is improved, the second heating pipe 9 is arranged in the first heating pipe 7, the reversing valve 10 is arranged at one end of the liquid discharge pipe 4, one side of the reversing valve 10 is respectively connected with the first diversion pipe 11 and the second diversion pipe 12, one end of the second diversion pipe 12 extends to the inside of the first heating pipe 7 and is wound on the outer wall of the second heating pipe 9 to be fixedly connected with the filter 13, under the action of the reversing valve 10, cold water generated after condensing gas heat exchange can be directly discharged according to the requirement or enters the second heating pipe 9 through the second diversion pipe 12 to be matched with the first heating pipe 7, after double heating is carried out, the cold water is delivered into other purposes, the waste heat of the heated fluid is matched with condensed gas cold water for secondary use, waste is avoided, the connector matched with second honeycomb duct 12 has all been seted up to the corresponding both sides in first heating pipe 7 bottom, and the internally mounted of connector has sealed pad, be favorable to increasing the leakproofness of connector, avoid leaking, the internally mounted of filter 13 has filter screen 14, the bottom of filter 13 is installed and is connected with hot-water line 15, can intercept the incrustation scale in the rivers, avoid the pipeline to block up, protruding groove 16 has all been seted up to the inside corresponding both sides of filter 13, protruding piece 17 has been seted up to the inside sliding connection of protruding groove 16, fixedly connected with scraper blade 18 between two protruding pieces 17, the inside rotation of one of them protruding groove 16 is connected with reciprocating lead screw 19, reciprocating lead screw 19 runs through one of them protruding piece 17 and with one of them protruding piece 17 threaded connection, when making reciprocating lead screw 19 rotate, drive protruding piece 17 and scraper blade 18 displacement, make scraper blade 18 repeatedly displace, scrape the incrustation scale that adheres to on the filter screen 14, ensure the normal circulation of rivers, motor 20 is installed to the inner wall of filter 13, the output and the fixed connection of motor 20 provides power for reciprocating lead screw 19's rotation.

In sum, this recovery unit of rectifying column top congeals gas, when using, congeal gas in the body of a tower 1 enters into heat transfer pump 3, heat exchange in congealing gas is to heat transfer pump 3 in, the rethread heat transfer pump 3 carries out, the cold water that congeals gas heat transfer back produced is discharged through fluid-discharge tube 4, the material enters into heat transfer pump 3 through inlet pipe 5 at this moment, send into body of a tower 1 through feed pipe 6 and first heating pipe 7 and conveyer pipe 8 after the heating of heat transfer pump 3, because reversing valve 10 is installed to one end of fluid-discharge tube 4, and one side of reversing valve 10 is connected with first honeycomb duct 11 and second honeycomb duct 12, and the second honeycomb duct 12 twines the second heating pipe 9 outer wall in first honeycomb duct 7, consequently, through the operation of reversing valve 10, both can discharge cold water by first honeycomb duct 11, also can enter into in the second honeycomb duct 12, heat transfer pipe 7 and second honeycomb duct 9 heat, make it become in the filter 13 after the hot water, after filtering 14 filters, discharge through the motor 15, drive filter screen 19 and the reciprocal screw rod 19 that makes the filter screen 19 rotate in the reciprocal screw rod that scrapes the filter screen 14 and the reciprocal drive the screw rod that makes the reciprocal 17 remove.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Recovery unit of rectifying column top congeals gas, including body of the tower (1), its characterized in that: one side fixedly connected with blast pipe (2) of tower body (1), the one end fixedly connected with heat transfer pump (3) of blast pipe (2), fluid-discharge tube (4) are installed to the bottom of heat transfer pump (3), the output and the input of heat transfer pump (3) are connected with inlet pipe (5) and conveying pipe (6) respectively, the one end fixedly connected with first heating pipe (7) of conveying pipe (6), the one end that conveying pipe (6) was kept away from to first heating pipe (7) is connected with conveyer pipe (8), the internally mounted of first heating pipe (7) has second heating pipe (9), reversing valve (10) are installed to the one end of fluid-discharge tube (4), one side of reversing valve (10) is connected with first honeycomb duct (11) and second honeycomb duct (12) respectively to the inside of first heating pipe (7) to twine in the outer wall fixedly connected with filter (13) of second heating pipe (9), internally mounted of filter (13) has filter screen (14), the bottom of filter (13) is connected with hot-water line (15).

2. The recovery device for condensing gas at top of rectifying tower according to claim 1, characterized in that: the heat exchange pump (3) comprises an evaporator, a compressor and a condenser.

3. The recovery device for condensing gas at top of rectifying tower according to claim 1, characterized in that: convex grooves (16) are formed in two corresponding sides of the inside of the filter (13), convex blocks (17) are connected in the convex grooves (16) in a sliding mode, scraping plates (18) are fixedly connected between the two convex blocks (17), a reciprocating screw rod (19) is connected in one of the convex grooves (16) in a rotating mode, and the reciprocating screw rod (19) penetrates through one of the convex blocks (17) and is in threaded connection with one of the convex blocks (17).

4. The recovery device for condensing gas at top of rectifying tower according to claim 1, characterized in that: the two corresponding sides of the bottom of the first heating pipe (7) are provided with connectors matched with the second guide pipe (12), and sealing gaskets are arranged in the connectors.

5. A recovery apparatus for rectifying column overhead condensate as claimed in claim 3, wherein: the inner wall of the filter (13) is provided with a motor (20), and the output end of the motor (20) is fixedly connected with a reciprocating screw rod (19).

6. The recovery device for condensing gas at top of rectifying tower according to claim 1, characterized in that: one end of the conveying pipe (8) extends to a feed inlet of the tower body (1).

7. The recovery device for condensing gas at top of rectifying tower according to claim 1, characterized in that: the critical temperature of the refrigerant in the heat exchange pump (3) is higher than 140 ℃ so that the water source is heated to form water vapor.