CN215250668U

CN215250668U - Negative pressure debenzolization device

Info

Publication number: CN215250668U
Application number: CN202121920842.0U
Authority: CN
Inventors: 张志宏; 李军; 王洪盛; 王德辉
Original assignee: Shanxi Zhixin Baoneng Technology Co ltd
Current assignee: Shanxi Zhixin Baoneng Technology Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2021-12-21
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a negative pressure debenzolization device, which comprises a heater, wherein the heater is communicated with an external water pipe, the two sides of the heater are respectively fixedly communicated with a first flow guide pipe and a second flow guide pipe, the left end of the first flow guide pipe is fixedly communicated with a heat conduction circulating pump, the upper end of the heat conduction circulating pump is fixedly communicated with a first connecting pipe, the upper end of the first connecting pipe is provided with a gas-water shunt part, the side surface of the gas-water shunt part is fixedly communicated with a second connecting pipe, the right end of the second connecting pipe is communicated with a spiral pipe in the inner wall of a negative pressure debenzolization tower, and the left end of the second flow guide pipe is communicated with the spiral pipe. The energy consumption is great problem.

Description

Negative pressure debenzolization device

Technical Field

The utility model relates to a negative pressure takes off benzene technical field, specifically is a negative pressure takes off benzene device.

Background

In recent years, countries have higher requirements and standards for energy conservation, emission reduction and environmental governance. Coking debenzolization is an important link in coking production, but the traditional rich oil steam stripping debenzolization process has high yield of harmful substances and high energy consumption.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a negative pressure takes off benzene device has possessed the boiling point that reduced pressure value reached and reduced the product, reduces thermal consumption, and the cyclic utilization water resource heats, separates aqueous vapor difference and distillation in the past simultaneously to reached and reduced the harmful gas and discharged, reduced energy consumption's effect, it is big to have solved traditional rich oil steam strip and taken off benzene technology harmful substance output, the great problem of energy consumption.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a benzene device is taken off to negative pressure, includes the heater, heater and external water pipe intercommunication, the both sides of heater are fixed the intercommunication respectively and are had honeycomb duct one and honeycomb duct two, the left end fixed intercommunication of honeycomb duct one has the heat conduction circulating pump, the upper end fixed intercommunication of heat conduction circulating pump has connecting pipe one, air water reposition of redundant personnel part is installed to the upper end of connecting pipe one, the fixed intercommunication in side of air water reposition of redundant personnel part has connecting pipe two, the spiral pipe intercommunication in the right-hand member of connecting pipe two and the negative pressure debenzolization tower inner wall, the left end of honeycomb duct two with the spiral pipe intercommunication, the last fixed surface intercommunication of negative pressure debenzolization tower has the drainage tube, the upper end fixed intercommunication of drainage tube has the condenser, condenser and external storage storehouse intercommunication.

Optionally, the gas-water flow dividing component is a gas-water flow divider.

Optionally, the upper end of the air-water splitter is fixedly communicated with a third connecting pipe, the upper end of the third connecting pipe is fixedly communicated with a cooling tank, the right end of the cooling tank is fixedly communicated with a fourth connecting pipe, a water pump is mounted on the surface of the fourth connecting pipe, and the right end of the fourth connecting pipe is fixedly communicated with the condenser.

Optionally, the lower end of the negative pressure debenzolization tower is fixedly communicated with a first circulation pipe, the lower end of the first circulation pipe is fixedly communicated with a circulation pump, the right end of the circulation pump is fixedly communicated with a second circulation pipe, the right end of the second circulation pipe is fixedly communicated with a collection box, the upper end of the collection box is fixedly connected with a third circulation pipe, and the left end of the third circulation pipe is fixedly communicated with the right side of the negative pressure debenzolization tower.

Optionally, check valves are mounted on the surfaces of the connecting pipe IV and the circulating pipe III.

Optionally, the surfaces of the second circulation pipe and the second connecting pipe are both provided with one-way valves.

Optionally, a display is mounted on the upper surface of the heater, and a pressure detector is mounted on the surface of the second connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

one, the utility model discloses a reduce the pressure value and reach the boiling point that reduces the product, reduce thermal consumption, the cyclic utilization water resource heats, separates aqueous vapor simultaneously and distinguishs and distill in the past to reached and reduced harmful gas and discharged, reduced energy resource consumption's effect.

Two, the utility model discloses a mutually supporting of cooler bin, water pump and condenser has reached and has become the condensate with vapor and use, and then reaches the effect of make full use of resource.

Thirdly, the utility model discloses a high temperature dregs of fat continue volatilizing in the collecting box, then take off the negative pressure in the benzene tower through the negative pressure and inhale the utilization again with light benzene vapour, reached the effect of make full use of residual resource.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the negative pressure debenzolization tower of the present invention;

fig. 3 is a sectional view of the cooling box structure of the present invention.

In the figure: 1. a heater; 2. a display; 3. a flow guide pipe I; 4. a heat-conducting circulating pump; 5. a first connecting pipe; 6. a gas-water splitter; 7. a third connecting pipe; 8. a second connecting pipe; 9. a pressure detector; 10. a negative pressure debenzolization tower; 11. a third circulating pipe; 12. a first circulating pipe; 13. a second flow guide pipe; 14. a circulation pump; 15. a second circulating pipe; 16. a collection box; 17. a one-way valve; 18. a cooling tank; 19. a water pump; 20. a condenser; 21. a drainage tube; 22. a fourth connecting pipe; 23. a check valve; 24. a spiral tube.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a negative pressure debenzolization device comprises a heater 1, wherein the heater 1 is communicated with an external water pipe, two sides of the heater 1 are respectively fixedly communicated with a first flow guide pipe 3 and a second flow guide pipe 13, the left end of the first flow guide pipe 3 is fixedly communicated with a heat conduction circulating pump 4, the upper end of the heat conduction circulating pump 4 is fixedly communicated with a first connecting pipe 5, the upper end of the first connecting pipe 5 is provided with a gas-water flow distribution component, the side surface of the gas-water flow distribution component is fixedly communicated with a second connecting pipe 8, the right end of the second connecting pipe 8 is communicated with a spiral pipe 24 in the inner wall of a negative pressure debenzolization tower 10, the left end of the second flow guide pipe 13 is communicated with the spiral pipe 24, the upper surface of the negative pressure debenzolization tower 10 is fixedly communicated with a drainage pipe 21, the upper end of the drainage pipe 21 is fixedly communicated with a condenser 20, the condenser 20 is communicated with an external storage bin, the heater 1 is started to heat water introduced from the external water pipe, and then the gas-water flow distribution component is introduced from the first flow guide pipe 3 by the heat conduction circulating pump 4, the gas-water shunt part separates the hot water and the water vapor, the hot water is guided into the connecting pipe II 8, the hot water is guided into the spiral pipe 24 through the connecting pipe II 8, the spiral pipe 24 is heated to carry out negative pressure treatment and heating on the rich oil in the negative pressure debenzolization tower 10, the hot water enters the heater 1 again through the guide pipe II 13, the hot water enters the gas-water shunt part to the connecting pipe II 8 through the heater 1 to the guide pipe I3, the hot water enters the spiral pipe 24 to the guide pipe II 13, and finally returns to the heater 1 to form circulation, the rich oil heated in the negative pressure debenzolization tower 10 becomes high temperature residual oil and light benzene vapor, the light benzene vapor is guided into the condenser 20 by the drainage pipe 21 to be condensed into light benzene and then enters an external storage bin for communication, the correction pressure operation is used as the negative pressure operation, the boiling point of a product is reduced by reducing the pressure value, the consumption of heat is reduced, and the water resource is circularly utilized for heating, meanwhile, the water-gas separation is different from the traditional distillation, so that the effects of reducing the discharge of harmful gas and reducing the energy consumption are achieved.

In order to separate the hot water and the water vapor, the gas-water separation component is further a gas-water separator 6.

In order to recycle useful resources, the upper end of the gas-water splitter 6 is fixedly communicated with a third connecting pipe 7, the upper end of the third connecting pipe 7 is fixedly communicated with a cooling tank 18, the right end of the cooling tank 18 is fixedly communicated with a fourth connecting pipe 22, a water pump 19 is arranged on the surface of the fourth connecting pipe 22, the right end of the fourth connecting pipe 22 is fixedly communicated with a condenser 20, water vapor split by the gas-water splitter 6 enters the cooling tank 18 along the third connecting pipe 7 to be cooled into water, and the water vapor is guided into the condenser 20 along the fourth connecting pipe 22 through the water pump 19 to form new condensate for use, so that the effect of fully utilizing resources is achieved.

In order to fully utilize the residual resources of the high-temperature residual oil, the lower end of the negative pressure debenzolization tower 10 is fixedly communicated with a first circulating pipe 12, the lower end of the first circulating pipe 12 is fixedly communicated with a circulating pump 14, the right end of the circulating pump 14 is fixedly communicated with a second circulating pipe 15, the right end of the second circulating pipe 15 is fixedly communicated with a collecting box 16, the upper end of the collecting box 16 is fixedly connected with a third circulating pipe 11, the left end of the third circulating pipe 11 is fixedly communicated with the right side of the negative pressure debenzolization tower 10, when the high-temperature residual oil is accumulated at the bottom of the negative-pressure debenzolization tower 10, the circulating pump 14 is started to guide the high-temperature residual oil in the negative-pressure debenzolization tower 10 into the collection box 16 from the first introduction circulating pipe 12, and then the high-temperature residual oil continues to play a role of emitting light benzene vapor, under the action of the negative pressure debenzolization tower 10, the volatilized light benzene vapor is guided into the negative pressure debenzolization tower 10 from the circulating pipe III 11, so that the effect of fully utilizing the residual resources of the high-temperature residual oil is achieved.

In order to prevent the liquid or gas of the connection pipe four 22 and the circulation pipe three 11 from flowing backward, further, check valves 23 are installed on the surfaces of the connection pipe four 22 and the circulation pipe three 11.

In order to prevent the liquid or gas of the circulation pipe two 15 and the connection pipe two 8 from flowing back, further, the surfaces of the circulation pipe two 15 and the connection pipe two 8 are both provided with a one-way valve 17.

In order to facilitate the detection of heat and pressure by the staff, further, the display 2 is installed on the upper surface of the heater 1, and the pressure detector 9 is installed on the surface of the second connecting pipe 8.

The working principle is as follows: when the negative pressure debenzolization device is used, a heater 1 is started to heat water introduced by an external water pipe, then the water is introduced into a gas-water splitter 6 from a guide pipe I3 by a heat conduction circulating pump 4, the introduced hot water and water vapor are separated by the gas-water splitter 6, the hot water is introduced into a connecting pipe II 8, the hot water is introduced into a spiral pipe 24 from the connecting pipe II 8, the spiral pipe 24 is heated and then carries out negative pressure treatment and heating on rich oil in a negative pressure debenzolization tower 10, the hot water enters the heater 1 again through a guide pipe II 13, the hot water enters the heater 1 from the guide pipe I3 to the gas-water splitter 6 to the connecting pipe II 8 to the spiral pipe 24 to the guide pipe II 13 through the heater 1, finally the hot water returns to the heater 1 to form circulation, the rich oil heated in the negative pressure debenzolization tower 10 becomes high-temperature residual oil and light benzene vapor, the light benzene vapor is introduced into a condenser 20 by a drainage pipe 21 to be condensed into light benzene and then enters an external bin to be communicated, the correction pressure operation is negative pressure operation, the boiling point of the chemical product is reduced by reducing the pressure value, the heat consumption is reduced, the water resource is recycled for heating, and meanwhile, the water-gas separation is different from the traditional distillation, so that the effects of reducing harmful gas discharge and reducing energy consumption are achieved.

The water vapor shunted by the gas-water shunt 6 enters the cooling tank 18 along the third connecting pipe 7 to be cooled into water, and the water is guided into the condenser 20 along the fourth connecting pipe 22 through the water pump 19 to form new condensate for use, so that the effect of fully utilizing resources is achieved.

When the high-temperature residual oil is accumulated at the bottom of the negative-pressure debenzolization tower 10, the circulating pump 14 is started to guide the high-temperature residual oil in the negative-pressure debenzolization tower 10 into the collection box 16 from the first introduction circulating pipe 12, then the high-temperature residual oil continues to emit light benzene vapor, and the volatilized light benzene vapor is guided into the negative-pressure debenzolization tower 10 from the third circulating pipe 11 under the negative pressure action of the negative-pressure debenzolization tower 10, so that the effect of fully utilizing the residual resources of the high-temperature residual oil is achieved.

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 negative pressure takes off benzene device, includes heater (1), its characterized in that: the heater (1) is communicated with an external water pipe, two sides of the heater (1) are respectively fixedly communicated with a first flow guide pipe (3) and a second flow guide pipe (13), the left end of the first draft tube (3) is fixedly communicated with a heat-conducting circulating pump (4), the upper end of the heat-conducting circulating pump (4) is fixedly communicated with a first connecting pipe (5), the upper end of the first connecting pipe (5) is provided with a gas-water shunt part, the side surface of the gas-water shunt part is fixedly communicated with a second connecting pipe (8), the right end of the second connecting pipe (8) is communicated with a spiral pipe (24) in the inner wall of the negative pressure debenzolization tower (10), the left end of the draft tube II (13) is communicated with the spiral tube (24), the upper surface of the negative pressure debenzolization tower (10) is fixedly communicated with a drainage tube (21), the upper end of the drainage tube (21) is fixedly communicated with a condenser (20), and the condenser (20) is communicated with an external storage bin.

2. The negative pressure debenzolization apparatus of claim 1, wherein: the gas-water flow dividing component is a gas-water flow divider (6).

3. The negative pressure debenzolization apparatus of claim 2, wherein: the fixed intercommunication in upper end of air water shunt (6) has connecting pipe three (7), the fixed intercommunication in upper end of connecting pipe three (7) has cooling tank (18), the fixed intercommunication in right-hand member of cooling tank (18) has connecting pipe four (22), the surface mounting of connecting pipe four (22) has water pump (19), the right-hand member of connecting pipe four (22) with condenser (20) fixed intercommunication.

4. The negative pressure debenzolization apparatus of claim 3, wherein: the lower end of the negative pressure debenzolization tower (10) is fixedly communicated with a first circulating pipe (12), the lower end of the first circulating pipe (12) is fixedly communicated with a circulating pump (14), the right end of the circulating pump (14) is fixedly communicated with a second circulating pipe (15), the right end of the second circulating pipe (15) is fixedly communicated with a collecting box (16), the upper end of the collecting box (16) is fixedly connected with a third circulating pipe (11), and the left end of the third circulating pipe (11) is fixedly communicated with the right side of the negative pressure debenzolization tower (10).

5. The negative pressure debenzolization apparatus of claim 4, wherein: and check valves (23) are arranged on the surfaces of the connecting pipe IV (22) and the circulating pipe III (11).

6. The negative pressure debenzolization apparatus of claim 5, wherein: and one-way valves (17) are arranged on the surfaces of the circulating pipe II (15) and the connecting pipe II (8).

7. The negative pressure debenzolization apparatus of claim 1, wherein: the upper surface of the heater (1) is provided with a display (2), and the surface of the second connecting pipe (8) is provided with a pressure detector (9).