CN213657162U

CN213657162U - Difluoroethane reaction heat recovery device

Info

Publication number: CN213657162U
Application number: CN202022613169.8U
Authority: CN
Inventors: 秦兵; 张龙; 宋鑫
Original assignee: Taixing Meilan Chemical Co ltd
Current assignee: Taixing Meilan Chemical Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-07-09
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a difluoroethane reaction heat recovery unit, there are condenser, buffer tank and vaporizer from one side to opposite side fixed mounting in proper order including the top of recovery tower, and the positive fixed mounting of condenser has cooling tube and feed inlet, and the siren is installed on the top of condenser, and the back mounted of condenser has feed back pipe and radiator fan. This kind of difluoroethane reaction heat recovery unit, simple structure is reasonable, and the modern design, and easy operation, and can guarantee the outside heat dissipation accuse temperature of device through multiunit radiator fan and radiator-grid, through increase a buffer tank in the middle of recovery tower top condenser and difluoroethane vaporizer, the temperature of difluoroethane gaseous phase material in control recovery tower top condenser and the buffer tank is at 20-30 ℃ when being convenient for retrieve, control buffer tank pressure is at 0.6-1.0Mpa, thereby make from the condenser, keep difluoroethane to be gaseous phase state, do not need rethread vaporizer to vaporize, the consumption of traditional processing steam has been reduced, higher practical value has.

Description

Difluoroethane reaction heat recovery device

Technical Field

The utility model relates to a chemical industry equipment technical field specifically is a difluoroethane reaction heat recovery unit.

Background

Difluoroethane, 1, 1-difluoroethane, molecular formula C2H4F2, molecular weight 66.05, alias freon-152, acetylene is produced by reaction of calcium carbide and water in an acetylene generator, and impurities are removed by water washing and sodium hypochlorite absorption. The purified acetylene is fully dried and enters a fluorination reactor. Acetylene is reacted with hydrogen fluoride in the presence of sulfonyl fluoride to form crude difluoroethane. The crude difluoroethane is compressed and fractionated to obtain a finished product. The product can also be obtained by reacting 1, 1-dichloroethane with hydrogen fluoride, and is mainly used as refrigerant, aerosol propellant and organic synthetic intermediate.

The production scale of difluoroethane is getting larger and larger with the continuous development and application of difluoroethane, but in the production, when difluoroethane raw material is cooperatively converted from a condenser to a vaporizer, a large amount of steam consumption is caused, so that higher cost is caused. Therefore, we improve the method and propose a difluoroethane reaction heat recovery device.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a difluoroethane reaction heat recovery device, which comprises a recovery tower, wherein the top end of the recovery tower is fixedly provided with a condenser, a buffer tank and a vaporizer from one side to the other side in sequence, the front side of the condenser is fixedly provided with a radiating pipe and a feed inlet, the top end of the condenser is provided with an alarm, and the back side of the condenser is provided with a feed back pipe and a radiating fan;

the buffer tank, the pump body and conveying pipeline are installed to the top of buffer tank, the side-mounting of buffer tank has the numerical control display screen, the inside of buffer tank is provided with buffering air cavity, baffle, detection sensor and inhales the material mouth, radiator-grid and discharge gate are installed to the vaporizer.

As an optimal technical scheme of the utility model, the top welded mounting of recovery tower has the backing plate, condenser, buffer tank and vaporizer loop through and are provided with the top backing plate top of fixed bolster welded mounting at the recovery tower.

As a preferred technical scheme of the utility model, the cooling tube is provided with a plurality of groups and is the heliciform structure equidistance and arranges the center of installing at the condenser, the feed inlet is provided with a plurality of groups and fixed running through and installs at the positive top of condenser and be connected with the cooling tube.

As a preferred technical scheme of the utility model, the fixed back bottom of installing at the condenser that runs through of feed back pipe, the bottom of feed back pipe is run through the backing plate and is connected with the recovery tower, the conveying pipeline is provided with straight tube structure and return bend structure, the conveying pipeline is connected with the condenser through straight tube structure and is connected with the vaporizer through return bend structure.

As a preferred technical scheme of the utility model, the pump body is through being provided with support mounting in top one side of buffer tank, the elbow structure one end of conveying pipeline is provided with inhales the material mouth and runs through the top of installing at the buffer tank, the bottom of the pump body is connected with inhaling the material mouth transmission through being provided with output structure, thereby the baffle is provided with two sets of dislocation symmetries and installs the inside constitution "S" type buffering air cavity at the buffer tank.

As an optimal technical scheme of the utility model, detection sensor is provided with constitutions such as pressure sensor, temperature sensor, gas sensor and liquid sensor, detection sensor is provided with a plurality of groups and inlays respectively to establish and installs the inner wall edge in buffering air cavity, wire connection between detection sensor and the numerical control display screen.

As an optimal technical scheme of the utility model, the radiator-grid inlays to establish and installs on the lateral wall of vaporizer, set up interval and internally mounted between radiator-grid and the vaporizer and have the silence fan, the discharge gate is provided with the multiunit and runs through the back bottom of installing at the vaporizer, the radiator-fan is provided with a plurality of groups and installs respectively between the front of buffer tank and the condenser back and between buffer tank back and the vaporizer front.

The utility model has the advantages that:

1. the method is characterized in that a buffer tank is additionally arranged between a condenser at the top of a recovery tower and a difluoroethane vaporizer, a detection sensor is arranged in the buffer tank, and a numerical control display screen is arranged on the surface of the detection sensor and the surface of the detection sensor, so that the temperature of difluoroethane gas-phase materials in the condenser at the top of the recovery tower and the buffer tank is controlled to be 20-30 ℃ during recovery, and the pressure of the buffer tank is controlled to be 0.6-1.0 Mpa;

2. be provided with the conveying pipeline and the pump body, the difluoroethane of gaseous phase passes through in the conveying pipeline inserts the difluoroethane vaporizer in the buffer tank of being convenient for to make from the condenser, keep difluoroethane for the gaseous phase state, do not need the rethread vaporizer to vaporize, reduced the consumption of traditional processing steam, the utility model discloses, simple structure is reasonable, the modern design, easy operation to can guarantee the outside heat dissipation accuse temperature of device through multiunit radiator fan and radiator-grid, have higher practical value.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of a heat recovery apparatus for difluoroethane reaction of the present invention;

FIG. 2 is a side view of a heat recovery apparatus for difluoroethane reaction of the present invention;

fig. 3 is a sectional view of the buffer tank of the difluoroethane reaction heat recovery device of the utility model.

In the figure: 1. a recovery tower; 2. a condenser; 3. a buffer tank; 4. a vaporizer; 5. a delivery pipe; 6. a heat-dissipating web; 7. a numerical control display screen; 8. a radiating pipe; 9. a feed inlet; 10. an alarm; 11. a material return pipe; 12. a heat radiation fan; 13. a pump body; 14. a discharge port; 15. a buffer air cavity; 16. a detection sensor; 17. a partition plate; 18. and (4) a material sucking port.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model relates to a difluoroethane reaction heat recovery device, which comprises a recovery tower 1, wherein a condenser 2, a buffer tank 3 and a vaporizer 4 are fixedly installed on the top end of the recovery tower 1 from one side to the other side in sequence, a radiating pipe 8 and a feeding port 9 are fixedly installed on the front side of the condenser 2, an alarm 10 is installed on the top end of the condenser 2, and a material return pipe 11 and a radiating fan 12 are installed on the back side of the condenser 2;

the pump body 13 and the conveying pipeline 5 are installed on the top end of the buffer tank 3, the numerical control display screen 7 is installed on the side face of the buffer tank 3, the buffer air cavity 15, the partition plate 17, the detection sensor 16 and the suction port 18 are arranged inside the buffer tank 3, and the heat dissipation net 6 and the discharge port 14 are installed on the vaporizer 4.

Wherein, the top welding of recovery tower 1 installs the backing plate, and condenser 2, buffer tank 3 and vaporizer 4 loop through being provided with the fixed bolster welding and install on the top of the top backing plate of recovery tower 1.

Wherein, the cooling tube 8 is provided with a plurality of groups and is the equidistant range of heliciform structure and installs at the center of condenser 2, and feed inlet 9 is provided with a plurality of groups and fixed run-through and installs at the positive top of condenser 2 and be connected with cooling tube 8.

Wherein, the feed back pipe 11 is fixedly installed at the back bottom of the condenser 2 in a penetrating manner, the bottom end of the feed back pipe 11 is connected with the recovery tower 1 through a penetrating backing plate, the feed delivery pipe 5 is provided with a straight pipe structure and an elbow structure, and the feed delivery pipe 5 is connected with the condenser 2 through the straight pipe structure and is connected with the vaporizer 4 through the elbow structure.

Wherein, the pump body 13 is through being provided with the support mounting in the top one side of buffer tank 3, and the bent pipe structure one end of conveying pipeline 5 is provided with inhales material mouth 18 and runs through the top of installing at buffer tank 3, and the bottom of the pump body 13 is connected with inhaling material mouth 18 transmission through being provided with output structure, thereby baffle 17 is provided with two sets of dislocation symmetries and installs and constitute "S" type buffering air cavity 15 in the inside of buffer tank 3.

Wherein, detecting sensor 16 is provided with constitutions such as pressure sensor, temperature sensor, gas sensor and liquid sensor, and detecting sensor 16 is provided with a plurality of groups and inlays respectively to establish and installs the inner wall edge at buffering air cavity 15, and wire connection between detecting sensor 16 and the numerical control display screen 7.

Wherein, radiator-grid 6 inlays to be established and installs on the lateral wall of vaporizer 4, sets up interval and internally mounted between radiator-grid 6 and vaporizer 4 has the silence fan, and discharge gate 14 is provided with the multiunit and runs through and install the back bottom at vaporizer 4, and radiator-fan 12 is provided with a plurality of groups and installs respectively between the front of buffer tank 3 and condenser 2 back and between buffer tank 3 back and vaporizer 4 front.

The working principle is as follows: when in use, the buffer tank 3 is additionally arranged between the tower top condenser 2 and the difluoroethane vaporizer 4 of the recovery tower 1, the detection sensor 16 is arranged in the buffer tank 3, the surface of the detection sensor is matched with the numerical control display screen 7 arranged on the surface of the detection sensor, so that the temperature of difluoroethane gas-phase materials in the tower top condenser 2 of the recovery tower 1 and the buffer tank 3 is controlled to be 20-30 ℃ when in recovery, the pressure of the buffer tank 3 is controlled to be 0.6-1.0Mpa, and the feed delivery pipe 5 and the pump body 13 are arranged, so that the difluoroethane in the gas phase of the buffer tank 3 is conveniently accessed into the difluoroethane vaporizer 4 through the feed pipe 5, thereby leading the difluoroethane to be kept in a gas-phase state from the condenser 2 without being vaporized through the vaporizer 4, reducing the consumption of traditional processing steam, the utility model has the advantages of simple and reasonable structure, novel design and simple operation, and can ensure the external heat dissipation and temperature control of, has high practical value.

Claims

1. A difluoroethane reaction heat recovery device is characterized by comprising:

the device comprises a recovery tower (1), wherein a condenser (2), a buffer tank (3) and a vaporizer (4) are fixedly mounted at the top end of the recovery tower (1) from one side to the other side in sequence, a radiating pipe (8) and a feeding hole (9) are fixedly mounted on the front surface of the condenser (2), an alarm (10) is mounted at the top end of the condenser (2), and a material return pipe (11) and a radiating fan (12) are mounted on the back surface of the condenser (2);

buffer tank (3), the pump body (13) and conveying pipeline (5) are installed on the top of buffer tank (3), the side-mounting of buffer tank (3) has numerical control display screen (7), the inside of buffer tank (3) is provided with buffering air cavity (15), baffle (17), detection sensor (16) and inhales material mouth (18), radiator-grid (6) and discharge gate (14) are installed in vaporizer (4).

2. A difluoroethane reaction heat recovery unit as claimed in claim 1, wherein:

the top welding of recovery tower (1) installs the backing plate, condenser (2), buffer tank (3) and vaporizer (4) loop through to be provided with the fixed bolster welded mounting on the top backing plate top of recovery tower (1).

3. A difluoroethane reaction heat recovery unit as claimed in claim 1, wherein:

the radiating pipe (8) is provided with a plurality of groups and is the spiral structure equidistance and arranges the center of installing in condenser (2), feed inlet (9) are provided with a plurality of groups and fixed run through and install at the positive top of condenser (2) and are connected with radiating pipe (8).

4. A difluoroethane reaction heat recovery unit as claimed in claim 1, wherein:

feed back pipe (11) fixed run through install in the back bottom of condenser (2), the bottom of feed back pipe (11) runs through the backing plate and is connected with recovery tower (1), conveying pipeline (5) are provided with straight tube structure and return bend structure, conveying pipeline (5) are connected with condenser (2) through straight tube structure and are connected with vaporizer (4) through return bend structure.

5. A difluoroethane reaction heat recovery unit as claimed in claim 1, wherein:

the pump body (13) is through being provided with the top one side of support mounting at buffer tank (3), the elbow structure one end of conveying pipeline (5) is provided with inhales material mouth (18) and runs through the top of installing in buffer tank (3), the bottom of the pump body (13) is connected with inhaling material mouth (18) transmission through being provided with output structure, thereby baffle (17) are provided with two sets of dislocation symmetries and install and constitute "S" type buffering air cavity (15) in the inside of buffer tank (3).

6. A difluoroethane reaction heat recovery unit as claimed in claim 1, wherein:

the detection sensor (16) is provided with a pressure sensor, a temperature sensor, a gas sensor and a liquid sensor, the detection sensor (16) is provided with a plurality of groups and is respectively embedded at the corners of the inner wall of the buffer air cavity (15), and the detection sensor (16) is connected with the numerical control display screen (7) through wires.

7. A difluoroethane reaction heat recovery unit as claimed in claim 1, wherein:

radiator-grid (6) inlay to establish and install on the lateral wall of vaporizer (4), set up interval and internally mounted between radiator-grid (6) and vaporizer (4) and have the silence fan, discharge gate (14) are provided with the multiunit and run through the back bottom of installing at vaporizer (4), radiator-fan (12) are provided with a plurality of groups and install respectively between the front of buffer tank (3) and condenser (2) the back and between buffer tank (3) the back and vaporizer (4) the front.