CN212818994U - A recycle device that is arranged in chlorothalonil production accessory substance - Google Patents

Abstract

The utility model discloses a recycle device for accessory substance in chlorothalonil production, valve on gas absorption tower, membrane filter equipment, result collection container, a plurality of connecting tube and pipeline, waste gas input tube, demineralized water input tube are connected to gas absorption tower one side, and surplus gas output tube, solution output tube are connected to the opposite side, surplus gas output tube is equipped with pressure sensor, be equipped with first branch and second branch behind the solution output tube connection pump, first branch connection shower nozzle, the shower nozzle is just to the waste gas input tube, membrane filter equipment is connected to the second branch, membrane filter equipment passes through the pipe connection with the result collection container. A recycle device for accessory substance in chlorothalonil production, simple structure realizes hydrogen chloride gas's cyclic absorption through loop control, hydrochloric acid solution's circulation resorption makes industrial waste gas become safe food level hydrochloric acid, resources are saved, the environmental protection.

Description

A recycle device that is arranged in chlorothalonil production accessory substance

Technical Field

The utility model relates to an industrial waste gas treatment equipment field, in particular to a recycle device that is arranged in chlorothalonil production accessory substance.

Background

A large amount of hydrogen chloride is generated in the production process of chlorothalonil, the hydrogen chloride is directly sold to quartz processing enterprises as a crude product as a raw material of acid-washing quartz sand after being saturated by water absorption in the current treatment mode, and with increasing attention on environmental protection control and continuous deepening of the concept of changing waste into valuable, although the method can reach the national emission standard, the enterprise pursues more than that, and the method for preparing industrial byproducts into products and the products meeting the production requirements are the more desirable results of the enterprises.

An object of the utility model is to provide a recycle device that is arranged in chlorothalonil production accessory substance to solve the problem that proposes in the above-mentioned background art.

Disclosure of Invention

Utility model purpose: in order to overcome not enough above, the utility model aims at providing a recycle device that is arranged in chlorothalonil production accessory substance, simple structure realizes the cyclic absorption of hydrogen chloride gas through loop control, and the circulation of hydrochloric acid solution is reabsorbed, makes industrial waste gas become safe food level hydrochloric acid, resources are saved, the environmental protection.

The technical scheme is as follows: in order to achieve the purpose, the utility model provides a recycle device for byproducts in chlorothalonil production, which comprises a gas absorption tower, a membrane filtering device, a product collecting container, a plurality of connecting pipelines and valves on the pipelines, wherein the upper part of one side of the gas absorption tower is connected with a waste gas input pipe, the lower part of the gas absorption tower is connected with a desalted water input pipe, the upper part of the other side of the gas absorption tower is connected with a residual gas output pipe, the lower part of the gas absorption tower is connected with a solution output pipe, the residual gas output pipe is provided with a pressure sensor, the solution output pipe is connected with a pump and then is provided with a first branch and a second branch, the first branch is communicated with the inside of the gas absorption tower and is internally connected with a spray head, the first branch pipeline is provided with a fifth valve body, the spray head is just opposite to the waste gas input pipe, the second branch, and the middle section in the gas absorption tower is provided with a filler, and the output end of the membrane filtering device is connected with the product collecting container through a pipeline.

Further, according to the recycling device for byproducts in chlorothalonil production, the liquid level detector is fixedly mounted on the inner wall of the gas absorption tower and located below the filler, and the liquid level detector is connected with the controller to control the third valve body to be switched on and off.

Furthermore, foretell a recycle device for accessory substance in chlorothalonil production, surplus gas output pipe passes through pipeline intercommunication waste gas input pipe to be equipped with the outlet pipeline on the pipeline, the outlet pipeline is equipped with first valve body, the waste gas input pipe is equipped with the second valve body on the body behind the intercommunication surplus gas output pipe, realizes the circulation absorption of waste gas, and discharges the nitrogen gas and the trace hydrogen chloride gas of collecting through the outlet pipeline when solution discharges.

Further, foretell a recycle device for accessory substance in chlorothalonil production, the gas absorption tower comprises casing and upper cover two parts, the casing up end is equipped with the flange, be equipped with the sealing washer on the flange, the casing passes through flange and upper cover threaded connection, the upper cover is equipped with the hole, the casing is inside to be equipped with the round flange for the location of inside filler, the flange lower part is equipped with the liquid level detector fixed orifices.

Furthermore, according to the recycling device for byproducts in the production of chlorothalonil, a waste gas inlet and a desalted water inlet are formed in one side of the wall of the shell, and a residual gas outlet and a solution outlet are formed in the other side of the wall of the shell.

Furthermore, foretell a recycle device for accessory substance in chlorothalonil production, membrane filtration device contains upper portion open-ended staving structure and central membrane filtration post, the upper end and the staving structure of membrane filtration post are sealed fixed connection, and the lower part of staving structure is equipped with the output pipeline.

Furthermore, the membrane filtration column is of a nano structure, and an input port is formed in the center of the upper end of the membrane filtration column.

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

1. the utility model discloses a recycle device for accessory substance in chlorothalonil production makes solution circulation absorption waste gas until forming saturated solution through control valve body, is convenient for reach food level hydrochloric acid through follow-up filtration technology.

2. The utility model discloses a recycle device for accessory substance in chlorothalonil production is just to absorbing through shower nozzle and hydrogen chloride gas, improves the air water proportion to improve absorption efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the pipeline connection structure of the absorption tower of the present invention;

FIG. 3 is a schematic structural view of an absorption tower of the present invention;

fig. 4 is a schematic structural diagram of the middle membrane filtration device of the present invention.

Detailed Description

The invention will be further elucidated with reference to the drawings and the specific embodiments.

Examples

As shown in fig. 1, the recycling device for byproducts in chlorothalonil production comprises a gas absorption tower 1, a membrane filtration device 2, a product collection container 3, a plurality of connecting pipelines and valves on the pipelines, as shown in fig. 2, the upper part of one side of the gas absorption tower 1 is connected with a waste gas input pipe 4, the lower part of the gas absorption tower is connected with a desalted water input pipe 5, the upper part of the other side of the gas absorption tower 1 is connected with a residual gas output pipe 7, the lower part of the gas absorption tower is connected with a solution output pipe 6, the residual gas output pipe 7 is provided with a pressure sensor 71, the solution output pipe 6 is connected with a pump 9 and then provided with a first branch 61 and a second branch 62, the first branch 61 is communicated with the inside of the gas absorption tower 1 and is connected with a spray head 612, the pipeline of the first branch 61 is provided with a fifth valve body 611, the spray head 612 is opposite to the waste gas, the desalted water input pipe 5 is provided with a third valve body 51, the middle section in the gas absorption tower 1 is provided with a filler 13, and the output end of the membrane filtering device 2 is connected with the product collecting container 3 through a pipeline.

Further, as shown in fig. 2, in the above recycling device for byproducts in chlorothalonil production, a liquid level detector 8 is fixedly installed on the inner wall of the gas absorption tower 1, the liquid level detector 8 is located below the packing 13, and the liquid level detector 8 is connected with a controller to control the on-off of the third valve body 51.

Further, as shown in fig. 2, in the above recycling device for byproducts in chlorothalonil production, the residual gas output pipe 7 is communicated with the waste gas input pipe 4 through a pipeline, an outlet pipeline 72 is arranged on the pipeline, the outlet pipeline 72 is provided with a first valve body 721, the waste gas input pipe 4 is provided with a second valve body 41 on a pipe body communicated with the residual gas output pipe 7, so that waste gas is circularly absorbed, and accumulated nitrogen and trace hydrogen chloride gas are discharged through the outlet pipeline 7 when the solution is discharged.

Further, according to the recycling device for byproducts in the production of chlorothalonil, the gas absorption tower 1 is composed of a shell 11 and an upper cover 12, a flange is arranged on the upper end face of the shell 11, a sealing ring 16 is arranged on the flange, the shell 11 is in threaded connection with the upper cover 12 through the flange, a hole 121 is formed in the upper cover 12, a circle of flange 14 is arranged inside the shell 11 and used for positioning an internal filler 13, and a liquid level detector fixing hole 15 is formed in the lower portion of the flange 14.

Further, in the above recycling device for byproducts in the production of chlorothalonil, the wall of the housing 11 is provided with an exhaust gas inlet 111 and a desalted water inlet 112 on one side, and a residual gas outlet 113 and a solution outlet 114 on the other side.

Further, in the above recycling device for byproducts in chlorothalonil production, the membrane filtration device 2 comprises a barrel structure with an opening at the upper part and a central membrane filtration column 21, the upper end of the membrane filtration column 21 is fixedly connected with the barrel structure in a sealing manner, and an output pipeline 24 is arranged at the lower part of the barrel structure.

Further, in the above recycling device for byproducts in chlorothalonil production, the membrane filtration column 21 is of a nano structure, and the center of the upper end of the membrane filtration column is provided with the input port 22.

The working principle is as follows:

when the operation is started, the third valve body 51 is opened, the other valve bodies are closed, desalted water enters the gas absorption tower 1 through the desalted water inlet pipe 5, when the liquid level detector 8 detects that the desalted water reaches a certain position at the lower part of the packing 13, the controller controls the third valve body 51 to be closed, the second valve body 41 and the fifth valve body 611 are opened, the pump 9 starts to operate, the desalted water reaches the spray head 612 through the first branch 61, the sprayed desalted water is contacted with the waste gas, the hydrogen chloride gas is dissolved in the desalted water and sinks through the packing 13, the solution reaches the spray head 612 through the first branch 61, the circulating absorption is carried out, when the solution is saturated, the gas is not absorbed any more, the value of the pressure sensor 71 rises, the second valve body 41 and the fifth valve body 611 are closed through the controller, the fourth valve body 621 and the first valve body 721 are opened, the saturated solution enters the membrane filtration column 21 through the second branch 62, and enters the product collecting container 3 from the output pipeline 24, a small amount of hypochlorous acid is filtered out in the nano-film, unabsorbed nitrogen and a small amount of hydrogen chloride gas are discharged from the outlet pipeline 72, and after the solution in the gas absorption tower 1 is discharged, all valve bodies are reset, and the circulation is carried out as above.

The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the invention and should not be interpreted as limiting the scope of the invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (7)

1. The utility model provides a recycle device that is arranged in chlorothalonil production accessory substance which characterized in that: including gas absorption tower (1), membrane filtration device (2), result collecting container (3), valve on a plurality of connecting tube and the pipeline, waste gas input tube (4) is connected on gas absorption tower (1) one side upper portion, sub-unit connection desalination input tube (5), and remaining gas output tube (7) are connected on opposite side upper portion, sub-unit connection solution output tube (6), remaining gas output tube (7) are equipped with pressure sensor (71), be equipped with first branch (61) and second branch (62) behind solution output tube (6) connection pump (9), first branch (61) and gas absorption tower (1) inside intercommunication and internal connection shower nozzle (612), be equipped with fifth valve body (611) on first branch (61) pipeline, shower nozzle (612) are just to waste gas input tube (4), membrane filtration device (2) is connected in second branch (62), be equipped with fourth valve body (621) on second branch (62) pipeline, demineralized water input tube (5) are equipped with third valve body (51), the inside middle section of gas absorption tower (1) is equipped with filler (13), the output and the product collecting container (3) of membrane filter equipment (2) pass through the pipe connection.

2. The apparatus for recycling the byproducts generated in the production of chlorothalonil according to claim 1, wherein: the inner wall of the gas absorption tower (1) is fixedly provided with a liquid level detector (8), and the liquid level detector (8) is positioned below the filler (13).

3. The apparatus for recycling the byproducts generated in the production of chlorothalonil according to claim 1, wherein: the residual gas output pipe (7) is communicated with the waste gas input pipe (4) through a pipeline, an outlet pipeline (72) is arranged on the pipeline, a first valve body (721) is arranged on the outlet pipeline (72), and a second valve body (41) is arranged on a pipe body of the waste gas input pipe (4) after the residual gas output pipe (7) is communicated.

4. The recycling apparatus for byproducts in chlorothalonil production according to claim 1 or 2, wherein: gas absorption tower (1) comprises casing (11) and upper cover (12) two parts, casing (11) up end is equipped with the flange, be equipped with sealing washer (16) on the flange, casing (11) are through flange and upper cover (12) threaded connection, upper cover (12) are equipped with hole (121), casing (11) inside is equipped with round flange (14), flange (14) lower part is equipped with liquid level detector fixed orifices (15).

5. The apparatus for recycling the byproducts generated in the production of chlorothalonil according to claim 4, wherein: and one side of the wall part of the shell (11) is provided with an exhaust gas input port (111) and a desalted water input port (112), and the other side is provided with a residual gas output port (113) and a solution output port (114).

6. The apparatus for recycling the byproducts generated in the production of chlorothalonil according to claim 1, wherein: the membrane filtering device (2) comprises a barrel structure with an opening at the upper part and a central membrane filtering column (21), the upper end of the membrane filtering column (21) is fixedly connected with the barrel structure in a sealing way, and an output pipeline (24) is arranged at the lower part of the barrel structure.

7. The apparatus for recycling the byproducts generated in the production of chlorothalonil according to claim 6, wherein: the membrane filter column (21) is of a nano structure, and an input port (22) is arranged in the center of the upper end.

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