CN213077971U - Alkaline washing device in production process of environment-friendly plasticizer citric acid ester and acetylated product thereof - Google Patents
Alkaline washing device in production process of environment-friendly plasticizer citric acid ester and acetylated product thereof Download PDFInfo
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- CN213077971U CN213077971U CN202021365687.6U CN202021365687U CN213077971U CN 213077971 U CN213077971 U CN 213077971U CN 202021365687 U CN202021365687 U CN 202021365687U CN 213077971 U CN213077971 U CN 213077971U
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Abstract
The utility model discloses an alkaline washing device in the production process of environment-friendly plasticizer citrate and acetylated products thereof, which comprises an alkaline washing tower, a liquid distribution tank, a liquid storage tank and a controller; the inside of the alkaline tower is divided into an alkaline washing area at the left side and an ion removal area at the right side by a vertically arranged partition plate; the top of the alkaline washing area is provided with a spraying device, the bottom of the alkaline washing area is provided with alkaline liquor, the middle lower part of the side wall of the alkaline washing area is provided with an air inlet pipe, the air inlet pipe extends to a position below the liquid level of the alkaline liquor, the bottom of the alkaline washing area is provided with an alkaline liquor recovery pipe, the alkaline liquor recovery pipe is connected with a liquor preparation tank, a first metering pump is arranged on the alkaline liquor recovery pipe, and the first metering pump is connected with a controller; the alkaline washing device is characterized in that an air guide pipe is arranged above the spraying device, deionized water is arranged at the bottom of the deionization area, the air guide pipe extends to the position below the liquid level of the deionized water, and an exhaust pipe is arranged at the top of the deionization area.
Description
Technical Field
The utility model relates to an environmental protection plasticizer citrate and acetylate product preparation field, especially an alkaline washing device in environmental protection plasticizer citrate and acetylate product production process.
Background
The common alkaline cleaning equipment at present is an alkaline cleaning tower, acid contained in gas is absorbed by spraying alkaline liquor, and the sprayed alkaline liquor can be recycled. But there are also certain drawbacks:
firstly, the method comprises the following steps: the problem of inconsistent concentration of the alkali liquor exists in the recycling of the alkali liquor, and the absorption effect can be influenced;
secondly, the method comprises the following steps: the gas subjected to alkaline washing may carry part of alkaline substances and water vapor which need to be further removed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcoming of prior art, providing an environmental protection plasticizer citrate and acetylation product production in-process alkali wash device that structural design is scientific, spray that alkali lye concentration is invariable, alkali wash is effectual.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that:
an alkaline washing device in the production process of environment-friendly plasticizer citrate and acetylated products thereof comprises an alkaline washing tower, a liquid preparation tank, a liquid storage tank and a controller; the inside of the alkaline tower is divided into an alkaline washing area at the left side and an ion removal area at the right side by a vertically arranged partition plate; the top of the alkaline washing area is provided with a spraying device, the bottom of the alkaline washing area is provided with alkaline liquor, the middle lower part of the side wall of the alkaline washing area is provided with an air inlet pipe, the air inlet pipe extends to a position below the liquid level of the alkaline liquor, the bottom of the alkaline washing area is provided with an alkaline liquor recovery pipe, the alkaline liquor recovery pipe is connected with a liquor preparation tank, a first metering pump is arranged on the alkaline liquor recovery pipe, and the first metering pump is connected with a controller; the spray device is characterized in that an air guide pipe is arranged above the spray device, deionized water is arranged at the bottom of the deionization area, the air guide pipe extends to the position below the liquid level of the deionized water, and an exhaust pipe is arranged at the top of the deionization area.
Preferably, the top of the liquid preparation tank is also provided with a concentrated alkali liquid inlet pipe and a water inlet pipe, the liquid preparation tank is internally provided with a PH sensor, the concentrated alkali liquid inlet pipe is provided with a second metering pump, the water inlet pipe is provided with a third metering pump, and the PH sensor, the second metering pump and the third metering pump are all connected with the controller; a stirring device is arranged in the liquid preparation tank, a liquid outlet pipe is arranged at the bottom of the liquid preparation tank, and the liquid outlet pipe is connected with the liquid preparation tank.
Preferably, the top of the deionization area is also provided with a demisting plate, the middle lower part of the side wall of the deionization area is provided with a liquid supplementing port, and the bottom of the deionization area is provided with a discharge pipe.
Preferably, the middle part of the alkali washing area is also provided with a plurality of layers of cross flow plates, and the two adjacent layers of cross flow plates are arranged in a staggered manner.
Preferably, a drain pipe is arranged at the bottom of the alkali washing area.
Preferably, the spraying device comprises a spraying pipe and spraying heads uniformly arranged on the spraying pipe at intervals, the spraying pipe is connected with the liquid storage tank, a lifting pump is arranged on the spraying pipe, and the lifting pump is connected with the controller.
The utility model has the advantages that:
firstly, the method comprises the following steps: the pH sensor monitors the concentration of the alkali liquor in the liquor preparation tank, and the controller controls the first metering pump, the second metering pump and the third metering pump, so that the flow of concentrated alkali liquor and recovered spray liquor entering the liquor preparation tank is controlled, the pH value of the alkali liquor in the liquor preparation tank is controlled and kept constant, and the concentration of the sprayed alkali liquor in the alkaline tower is kept constant;
secondly, the method comprises the following steps: the gas that contains a large amount of acidic material firstly gets into the caustic wash district, is absorbed by alkali lye at the caustic wash district bottom, then sprays alkali wash once more through alkali lye, gets rid of the acidic material in the gas and soluble thing, then gets into along the air duct and goes out the ion zone, utilizes the deionized water to get rid of the partial alkaline material that probably carries in the gas, gets rid of the aqueous vapor through the defogging board and then discharges, and whole structural design is scientific, and the caustic wash is effectual.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 10 is an alkaline tower, 11 is a partition board, 12 is an alkaline washing area, 12.1 is an air inlet pipe, 12.2 is an alkali liquor recovery pipe, 12.3 is an air guide pipe, 12.4 is a cross flow plate, 12.5 is a drain pipe, 13 is an ion removal area, 13.1 is an exhaust pipe, 13.2 is a demisting plate, 13.3 is a liquid supplementing port, 13.4 is a discharge pipe, 20 is a liquid preparation tank, 21 is a concentrated alkali liquor inlet pipe, 22 is an inlet pipe, 23 is a PH sensor, 24 is a second metering pump, 25 is a third metering pump, 26 is a stirring device, 27 is an outlet pipe, 30 is a liquid storage tank, 40 is a controller, 50 is a first metering pump, 60 is a spraying device, 61 is a spraying pipe, 62 is a spraying head, and 63 is a lifting pump.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the accompanying drawings.
The alkaline washing device in the production process of the environment-friendly plasticizer citrate and acetylated products thereof comprises an alkaline washing tower 10, a liquid preparation tank 20, a liquid storage tank 30 and a controller 40; the inside of the alkaline tower 10 is divided into an alkaline washing area 12 at the left side and a deionization area 13 at the right side by a vertically arranged partition plate 11; the top of the alkaline washing zone 12 is provided with a spraying device 60, the bottom of the alkaline washing zone 12 is provided with alkaline liquor, the middle lower part of the side wall of the alkaline washing zone 12 is provided with an air inlet pipe 12.1, the air inlet pipe 12.1 extends to a position below the liquid level of the alkaline liquor, the bottom of the alkaline washing zone 12 is provided with an alkaline liquor recovery pipe 12.2, the alkaline liquor recovery pipe 12.2 is connected with a liquor preparation tank 20, the alkaline liquor recovery pipe 12.2 is provided with a first metering pump 50, and the first metering pump 50 is connected with a controller 40 (not shown in the figure); the spray device 60 top sets up air duct 12.3, deionization district 13 bottom sets up the deionized water, air duct 12.3 extends to below the deionized water liquid level, deionization district 13 top sets up blast pipe 13.1.
Preferably, the top of the liquid preparation tank 20 is further provided with a concentrated alkali liquid inlet pipe 21 and a water inlet pipe 22, the liquid preparation tank 20 is internally provided with a PH sensor 23, the concentrated alkali liquid inlet pipe 21 is provided with a second metering pump 24, the water inlet pipe 22 is provided with a third metering pump 25, and the PH sensor 23, the second metering pump 24 and the third metering pump 25 are all connected with a controller 40 (not shown in the figure); set up agitating unit 26 in joining in marriage the fluid reservoir 20, join in marriage the fluid reservoir 20 bottom and set up drain pipe 27, drain pipe 27 is connected with liquid storage pot 30, agitating unit 26 is prior art, mainly includes agitator motor, (mixing) shaft and stirring vane, and the no longer repeated description here.
Preferably, a defogging plate 13.2 is further arranged at the top of the deionization area 13, a liquid supplementing port 13.3 is arranged at the middle lower part of the side wall of the deionization area 13, and a discharge pipe 13.4 is arranged at the bottom of the deionization area 13.
Preferably, the middle part of the alkali washing area 12 is also provided with a plurality of cross flow plates 12.4, and the two adjacent layers of cross flow plates 12.4 are arranged in a staggered manner.
Preferably, a drain pipe 12.5 is also arranged at the bottom of the alkali washing area 12.
Preferably, the spraying device 60 includes a spraying pipe 61 and spraying heads 62 uniformly arranged on the spraying pipe 61 at intervals, the spraying pipe 61 is connected with the liquid storage tank 30, a lifting pump 63 is arranged on the spraying pipe 61, and the lifting pump 63 is connected with the controller 40 (not shown in the figure).
The described embodiments are only some, but not all embodiments of the invention. 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.
Claims (6)
1. Alkaline washing device in environmental protection plasticizer citrate and acetylation product production process, its characterized in that: comprises an alkaline tower (10), a liquid preparation tank (20), a liquid storage tank (30) and a controller (40); the inside of the alkaline tower (10) is divided into an alkaline washing area (12) at the left side and an ion removal area (13) at the right side by a vertically arranged partition plate (11); the top of the alkali washing area (12) is provided with a spraying device (60), the bottom of the alkali washing area (12) is provided with alkali liquor, the middle lower part of the side wall of the alkali washing area (12) is provided with an air inlet pipe (12.1), the air inlet pipe (12.1) extends to a position below the liquid level of the alkali liquor, the bottom of the alkali washing area (12) is provided with an alkali liquor recovery pipe (12.2), the alkali liquor recovery pipe (12.2) is connected with the liquor preparation tank (20), the alkali liquor recovery pipe (12.2) is provided with a first metering pump (50), and the first metering pump (50) is connected with a controller (40); spray set (60) top sets up air duct (12.3), deionization subregion (13) bottom sets up the deionized water, air duct (12.3) extend below the deionized water liquid level, deionization subregion (13) top sets up blast pipe (13.1).
2. The alkaline washing device in the production process of the environmental-friendly plasticizer citrate and the acetylated product thereof according to claim 1, wherein: the top of the liquid preparation tank (20) is also provided with a concentrated alkali liquid inlet pipe (21) and a water inlet pipe (22), a PH sensor (23) is arranged in the liquid preparation tank (20), a second metering pump (24) is arranged on the concentrated alkali liquid inlet pipe (21), a third metering pump (25) is arranged on the water inlet pipe (22), and the PH sensor (23), the second metering pump (24) and the third metering pump (25) are all connected with a controller (40); a stirring device (26) is arranged in the liquid preparation tank (20), a liquid outlet pipe (27) is arranged at the bottom of the liquid preparation tank (20), and the liquid outlet pipe (27) is connected with the liquid storage tank (30).
3. The alkaline washing device in the production process of the environmental-friendly plasticizer citrate and the acetylated product thereof according to claim 1, wherein: the top of the deionization area (13) is also provided with a demisting plate (13.2), the middle lower part of the side wall of the deionization area (13) is provided with a liquid supplementing port (13.3), and the bottom of the deionization area (13) is provided with a discharge pipe (13.4).
4. The alkaline washing device in the production process of the environmental-friendly plasticizer citrate and the acetylated product thereof according to claim 1, wherein: the middle part of the alkali washing area (12) is also provided with a plurality of layers of cross flow plates (12.4), and the two layers of cross flow plates (12.4) which are adjacent up and down are arranged in a staggered manner.
5. The alkaline washing device in the production process of the environmental-friendly plasticizer citrate and the acetylated product thereof according to claim 1, wherein: and a sewage discharge pipe (12.5) is also arranged at the bottom of the alkali washing area (12).
6. The alkaline washing device in the production process of the environmental-friendly plasticizer citrate and the acetylated product thereof according to claim 1, wherein: spray set (60) include shower (61) and evenly set up shower head (62) on shower (61) at the interval, shower (61) are connected with liquid storage pot (30), set up elevator pump (63) on shower (61), elevator pump (63) are connected with controller (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021365687.6U CN213077971U (en) | 2020-07-13 | 2020-07-13 | Alkaline washing device in production process of environment-friendly plasticizer citric acid ester and acetylated product thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021365687.6U CN213077971U (en) | 2020-07-13 | 2020-07-13 | Alkaline washing device in production process of environment-friendly plasticizer citric acid ester and acetylated product thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213077971U true CN213077971U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021365687.6U Active CN213077971U (en) | 2020-07-13 | 2020-07-13 | Alkaline washing device in production process of environment-friendly plasticizer citric acid ester and acetylated product thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213077971U (en) |
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2020
- 2020-07-13 CN CN202021365687.6U patent/CN213077971U/en active Active
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