CN210004679U

CN210004679U - cooling and heat-preserving system for hydrogen sulfide purification process

Info

Publication number: CN210004679U
Application number: CN201920745244.0U
Authority: CN
Inventors: 曾令军; 汪正宏; 阳辉; 曾令霞
Original assignee: TAIHE GAS (JINGZHOU) Co Ltd
Current assignee: TAIHE GAS (JINGZHOU) Co Ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-01-31
Anticipated expiration: 2029-05-23

Abstract

The utility model relates to a a cooling heat preservation system for hydrogen sulfide purification process, including antifreeze solution working line and circulation working line, the antifreeze solution working line includes the antifreeze solution jar, and the export of antifreeze solution jar has connect the antifreeze solution pump, and the antifreeze solution pump connects in the rectifying column through branch pipe, and the antifreeze solution pump connects in the finished product storage tank through the second branch pipe, and the circulation water working line is used for cooling off the finished product storage tank, the utility model discloses connect way with the antifreeze solution in the antifreeze solution jar and remove the cooling off the finished product storage tank, reduce the use of finished product storage tank cooling water to reduce the operating power of circulation water pump, and the antifreeze solution that comes out from the finished product storage tank jacket mixes the back temperature and can get back to initial temperature in order to be used for the secondary, need not carry out thermal treatment to the antifreeze solution jar again, reduced electric quantity and water consumption, energy saving.

Description

cooling and heat-preserving system for hydrogen sulfide purification process

Technical Field

The utility model relates to a hydrogen sulfide purification technical field, concretely relates to cooling heat preservation systems that are used for hydrogen sulfide purification process.

Background

In the purification process of the high-purity hydrogen sulfide at present, in order to control the material temperature of a rectifying tower kettle to be-25 to-35 ℃, antifreeze solution at-10 to-20 ℃ in an antifreeze solution tank is adopted to heat the rectifying tower kettle, the temperature of the antifreeze solution which is discharged from a tower kettle jacket and returned to the antifreeze solution tank is changed to-15 to-25 ℃ after heat exchange, the antifreeze solution in the antifreeze solution tank is heated by an electric heating rod to return the temperature of the antifreeze solution to-10 to-20 ℃, and the heating power is 20 to 60 kw. Meanwhile, in the process of collecting the hydrogen sulfide finished product, cooling a jacket of the finished product storage tank by using cooling water (the power of a cooling water system is 3-5.5 kw), condensing gaseous hydrogen sulfide into liquid hydrogen sulfide, and refilling the cooled liquid hydrogen sulfide finished product into a finished product steel cylinder.

The antifreeze liquid tank is heated in the purification process of the high-purity hydrogen sulfide, so that the antifreeze liquid is heated to generate a large amount of electric energy consumption, and the required cooling water volume is large, so that the running power of the circulating pump is large, the energy consumption in the whole process is large, and the energy-saving production effect is low.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides an kinds of cooling heat preservation systems that are used for hydrogen sulfide purification process have reduced electric quantity and water consumption, and energy-conserving effectual.

a cooling and heat-preserving system for hydrogen sulfide purification process, including antifreeze solution working line and circulation working line, antifreeze solution working line includes antifreeze solution tank, antifreeze solution pump is connected to the outlet of antifreeze solution tank, antifreeze solution pump is connected to the rectifying column through branch pipe, antifreeze solution pump is connected to the finished product storage tank through the second branch pipe, the circulation working line is used for cooling the finished product storage tank.

And , the circulating water working line comprises a cooling water tank, a circulating water pump and a finished product storage tank which are sequentially communicated end to end.

Step , a liquid collecting tank is arranged at the top of the anti-freezing liquid tank, a motor is arranged at the top of the liquid collecting tank, an output shaft of the motor extends into the liquid collecting tank, a helical blade is arranged on the output shaft of the motor, a guide pipe extending into the anti-freezing liquid tank is arranged at the bottom of the liquid collecting tank, an electromagnetic valve is arranged on the guide pipe, and a temperature control switch electrically connected with the electromagnetic valve is arranged on the side wall of the liquid collecting tank.

, an upper jacket is arranged on the finished product storage tank, an outlet of the circulating water pump is connected with an inlet of the upper jacket, and an outlet of the upper jacket is connected with an inlet of the cooling water tank.

, a lower jacket is arranged on the finished product storage tank, an outlet of the antifreeze liquid pump is connected with an inlet of the lower jacket through a second branch pipe, and an outlet of the lower jacket is connected with a liquid collecting tank.

, the pump of anti-freezing liquid is connected to the inlet of jacket of rectifying tower via branch tube , and the outlet of jacket of rectifying tower is connected to liquid collecting tank.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses connect ways to remove the cooling finished product storage tank with the antifreeze in the antifreeze fluid reservoir, reduce the use of finished product storage tank cooling water to reduce the operating power of circulating water pump, and from the antifreeze that comes out in the finished product storage tank jacket and the antifreeze that comes out from the rectifying column jacket after the temperature mixes can get back to initial temperature in order to be used for the secondary to use, need not carry out heat treatment to the antifreeze fluid reservoir again, reduced electric quantity and water consumption, energy saving.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the prior art;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic structural diagram of the antifreeze solution tank and the liquid collecting tank of the utility model.

The reference numbers are 1-antifreeze liquid tank, 2-antifreeze liquid pump, 3- th branch pipe, 4-rectifying tower, 5-second branch pipe, 6-finished product storage tank, 7-cooling water tank, 8-circulating water pump, 9-liquid collecting tank, 10-motor, 11-helical blade, 12-conduit, 13-electromagnetic valve, 14-temperature control switch, 15-upper jacket and 16-lower jacket.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings, in which step is illustrated.

As shown in fig. 2-3, cooling and heat-preserving systems for hydrogen sulfide purification process include an antifreeze solution working line and a circulating working line, the antifreeze solution working line includes an antifreeze solution tank 1, an outlet of the antifreeze solution tank 1 is connected with an antifreeze solution pump 2, the antifreeze solution pump 2 is connected to a jacket inlet of a rectifying tower 4 through a branch pipe 3, the antifreeze solution pump 2 is connected to a finished product storage tank 6 through a second branch pipe 5, and the circulating water working line is used for cooling the finished product storage tank 6.

Wherein, the circulating water work line includes cooling water tank 7, circulating water pump 8, finished product storage tank 6 that the end to end communicates in proper order, and the jacket on the finished product storage tank 6 divide into jacket 15 and lower jacket 16 in addition, and the export of circulating water pump 8 connects in the import of jacket 15, and the export of antifreeze liquid pump 2 connects in the import of jacket 16 down through second branch pipe 5, and the export of jacket 15 connects in cooling water tank 7's import, and the cooling water in the cooling water tank circulates through circulating water pump 8 to flow through jacket 15 and in order to cool off finished product storage tank 6.

As shown in fig. 2 and 3, a liquid collecting tank 9 is installed on the top of the antifreeze liquid tank 1 through a bracket, the jacket outlet of the rectifying tower 4 and the outlet of the lower jacket 16 are both connected to the liquid collecting tank 9, and the antifreeze liquid coming out from the lower jacket 16 of the finished product storage tank 6 and the antifreeze liquid coming out from the jacket of the rectifying tower 4 are mixed in the liquid collecting tank 9.

In order to accelerate the mixing of the antifreeze liquid and enable the antifreeze liquid to be uniformly mixed, motors 10 are installed at the top of the mixed liquid collection tank 9, an output shaft of each motor 10 extends into the liquid collection tank 9, a helical blade 11 is arranged on the output shaft of each motor 10, a guide pipe 12 extending into the antifreeze liquid tank 1 is arranged at the bottom of the liquid collection tank 9, the helical blades 11 are driven by the motors 10 to stir the mixed antifreeze liquid in the liquid collection tank 9, and the mixed antifreeze liquid enters the antifreeze liquid tank 1 through the guide pipe 12 for secondary use.

In the working process of the utility model, the initial temperature of the antifreeze in the antifreeze tank 1 is-10C⁰～-20C⁰The antifreeze solution flowing out from the jacket of the rectifying tower 4 is subjected to heat exchange and then the temperature of the antifreeze solution is changed into-15C⁰～-25C⁰The temperature of the antifreeze solution flowing out of the lower jacket 16 of the finished product storage tank 6 is changed to-5C⁰～-15C⁰The antifreeze solution from the lower jacket 16 of the finished product storage tank 6 and the antifreeze solution from the jacket of the rectifying tower 4 are mixed in the liquid collecting tank 9 to reach the temperature of-10 DEG C⁰～-20C⁰The antifreeze solution mixing requires time, so that the process of flowing the antifreeze solution from the liquid collection tank 9 into the antifreeze solution tank can be automatically controlled, electromagnetic valves 13 are arranged on the conduit 12, a temperature control switch 14 electrically connected with the electromagnetic valves 13 is installed on the side wall of the liquid collection tank 9, the opening and closing of the electromagnetic valves 13 are controlled through the temperature control switch 14, and when the temperature control switch 14 detects that the temperature of the antifreeze solution in the antifreeze solution tank 9 meets the use requirement, the electromagnetic valves 13 are controlled to be opened to place the antifreeze solution into the antifreeze solution tank 1.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

The cooling and heat-insulating system for the hydrogen sulfide purification process is characterized by comprising an antifreeze liquid working line and a circulating working line, wherein the antifreeze liquid working line comprises an antifreeze liquid tank (1), an outlet of the antifreeze liquid tank (1) is connected with an antifreeze liquid pump (2), the antifreeze liquid pump (2) is connected to a rectifying tower (4) through a branch pipe (3), the antifreeze liquid pump (2) is connected to a finished product storage tank (6) through a second branch pipe (5), and the circulating working line is used for cooling the finished product storage tank (6).
2. The cooling and heat-preserving system for the hydrogen sulfide purification process as claimed in claim 1, wherein the circulating water working line comprises a cooling water tank (7), a circulating water pump (8) and a finished product storage tank (6) which are sequentially communicated end to end.
3. The cooling and heat-preserving system for the hydrogen sulfide purification process as claimed in claim 1, wherein a liquid collection tank (9) is arranged at the top of the antifreeze liquid tank (1), a motor (10) is arranged at the top of the liquid collection tank (9), an output shaft of the motor (10) extends into the liquid collection tank (9), a helical blade (11) is arranged on the output shaft of the motor (10), a guide pipe (12) extending into the antifreeze liquid tank (1) is arranged at the bottom of the liquid collection tank (9), an electromagnetic valve (13) is arranged on the guide pipe (12), and a temperature control switch (14) electrically connected with the electromagnetic valve (13) is arranged on the side wall of the liquid collection tank (9).
4. The cooling and heat-preserving system for the hydrogen sulfide purification process as claimed in claim 2, wherein the finished product storage tank (6) is provided with an upper jacket (15), the outlet of the circulating water pump (8) is connected with the inlet of the upper jacket (15), and the outlet of the upper jacket (15) is connected with the inlet of the cooling water tank (7).
5. Cooling and heat-preserving system for hydrogen sulfide purification process, as claimed in claim 3, wherein the finished product tank (6) is further provided with a lower jacket (16), the outlet of the antifreeze liquid pump (2) is connected to the inlet of the lower jacket (16) through a second branch pipe (5), and the outlet of the lower jacket (16) is connected to the liquid collecting tank (9).
6. Cooling and heat-preserving system for hydrogen sulfide purification process, as claimed in claim 3, wherein the antifreeze liquid pump (2) is connected to the jacket inlet of the rectification column (4) through a th branch pipe (3), and the jacket outlet of the rectification column (4) is connected to the liquid collecting tank (9).