CN210522191U - Vacuum water mist absorption device for tetrachlorobenzoquinone production - Google Patents

Vacuum water mist absorption device for tetrachlorobenzoquinone production Download PDF

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Publication number
CN210522191U
CN210522191U CN201920973957.2U CN201920973957U CN210522191U CN 210522191 U CN210522191 U CN 210522191U CN 201920973957 U CN201920973957 U CN 201920973957U CN 210522191 U CN210522191 U CN 210522191U
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China
Prior art keywords
water
tank
absorption
gas
absorption tank
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Expired - Fee Related
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CN201920973957.2U
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Chinese (zh)
Inventor
曹亮
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Zhijiang Liyuan Chemical Co Ltd
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Zhijiang Liyuan Chemical Co Ltd
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Priority to CN201920973957.2U priority Critical patent/CN210522191U/en
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Abstract

A vacuum water mist absorption device for tetrachlorobenzoquinone production comprises an absorption tank, wherein a water tank is arranged on one side of the absorption tank, a water supply pipe is arranged on the water tank, a water supply pump is arranged on the water supply pipe, one end of the water supply pipe is positioned in the water tank, the other end of the water supply pipe penetrates through the side wall of the absorption tank, one end of the water supply pipe positioned in the absorption tank is connected with a plurality of spray pipes, and atomization nozzles are arranged on the spray pipes; the side wall of the absorption tank is provided with an air inlet pipe, the air inlet pipe is positioned below the spray pipe, and the air inlet pipe is provided with a plurality of downward air outlets; the top of the absorption tank is also provided with a gas-liquid separation device, a gas inlet of the gas-liquid separation device is connected with a gas outlet pipe which penetrates through the top surface of the absorption tank, a water outlet of the gas-liquid separation device penetrates through the top surface of the absorption tank, and the gas-liquid separation device is also connected with a negative pressure pump. By adopting the structure, the contact efficiency between the water mist and the gas can be effectively improved, so that the adsorption efficiency is improved, the discharged gas meets the discharge standard, and the acid components in the gas are recycled.

Description

Vacuum water mist absorption device for tetrachlorobenzoquinone production
Technical Field
The utility model relates to a chloranil production facility field, especially a vacuum water smoke absorbing device for chloranil production.
Background
In the production process of chloranil, after the double-cone drying operation is completed, the generated gas contains hydrogen chloride and acetic acid components, the environment is polluted due to direct discharge, the existing treatment mode is vacuum water mist absorption, but the existing vacuum water mist absorption only utilizes the contact of water mist and gas to absorb the acid components in the gas, the absorption efficiency is low, and the treated gas still contains part of the acid components, so that the best treatment effect cannot be achieved.
Disclosure of Invention
The utility model aims to solve the technical problem that a vacuum water smoke absorbing device for tetrachlorobenzoquinone production is provided, can effectively promote the contact efficiency between water smoke and the gas to promote absorption efficiency, make the combustion gas accord with emission standard and realize the recycle of acid composition in the gas.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a vacuum water mist absorption device for chloranil production comprises an absorption tank, wherein a water tank is arranged on one side of the absorption tank, a water supply pipe is arranged on the water tank, a water supply pump is arranged on the water supply pipe, one end of the water supply pipe is positioned in the water tank, the other end of the water supply pipe penetrates through the side wall of the absorption tank and extends into the absorption tank, one end of the water supply pipe positioned in the absorption tank is connected with a plurality of spray pipes which are parallel and horizontal, and downward atomizing nozzles are arranged on the spray pipes;
the side wall of the absorption tank is provided with an air inlet pipe, the air inlet pipe is positioned below the spray pipe, and the air inlet pipe is provided with a plurality of downward air outlets;
the absorption tank is characterized in that a gas-liquid separation device is further arranged at the top of the absorption tank, a gas inlet of the gas-liquid separation device is connected with a gas outlet pipe penetrating through the top surface of the absorption tank, a water outlet of the gas-liquid separation device penetrates through the top surface of the absorption tank, and a negative pressure pump is further connected to the gas-liquid separation device.
In the preferred scheme, a plurality of water pumping devices are arranged in the absorption tank below the air inlet pipe.
In the preferred scheme, the absorption tank and the water tank are arranged in a close manner, a through hole is arranged on the side wall of the absorption tank, which is in contact with the water tank, the through hole is communicated with the internal cavity of the absorption tank and the water tank, and a liquid level meter is arranged on the side wall of the water tank.
In the preferred scheme, the water pumping device comprises a rotating shaft horizontally arranged in the absorption tank, a plurality of water pumping plates uniformly distributed are arranged on the side wall of the rotating shaft, and a plurality of water permeable holes are formed in the water pumping plates.
In the preferred scheme, the top of the water tank is provided with a water replenishing pipe, and the lower edge of the side wall of the water tank is provided with a water discharging pipe.
In the preferred scheme, many shower one end fixed through the fixed location horizontal pole that sets up on the inside wall of absorption tank, the other end sets up on same root horizontally connecting pipe for the horizontal connecting pipe of connecting many showers is fixed through fixed the knot.
In the preferred scheme, the water pumping devices are linked through a first transmission belt arranged at one end of a rotating shaft, one end of the rotating shaft of one water pumping device is provided with an extension shaft, the extension shaft penetrates through the side wall of the absorption tank, and the extension shaft part positioned outside the absorption tank is in transmission connection with the motor through a second transmission belt.
The utility model provides a vacuum water smoke absorbing device for tetrachlorobenzoquinone production, through adopting above-mentioned structure, has following beneficial effect:
(1) the water raising device is used for raising water bloom, the water bloom is contacted with the gas output by the gas inlet pipe in the first step, preliminary adsorption is realized, and the purposes of reducing acid components in the gas and relieving the pressure of subsequent adsorption operation are achieved;
(2) the atomizing nozzle generates water mist to be in secondary contact with the gas which continuously rises and adsorb the residual acid components in the gas, so that the adsorption operation effect is enhanced;
(3) the water consumed by the formed water mist and the water raised by the water raising device are communicated, so that the aim of recycling is fulfilled;
(4) the water phase part doped in the output gas is separated by the gas-liquid separation device and then returns to the absorption tank again, so that the discharge amount of acid components can be reduced as much as possible, and the maximum recovery rate of the acid components can be realized.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the spray pipe structure of the present invention.
Fig. 3 is a schematic structural view of the water pumping device of the present invention.
In the figure: the absorption tank 1, the water tank 2, the water supply pipe 3, the shower 4, the atomizer 5, the water supply pump 6, the intake pipe 7, the gas outlet 8, gas-liquid separation 9, the outlet duct 10, the negative pressure pump 11, the pumping device 12, the pivot 121, the pumping plate 122, the hole 123 of permeating water, the through-hole 13, the moisturizing pipe 14, the level gauge 15, the drain pipe 16, the location horizontal pole 17, the fixed knot 18, the extension axle 19, the motor 20, first driving belt 21, the second driving belt 22.
Detailed Description
As shown in fig. 1-3, a vacuum water mist absorption device for chloranil production comprises an absorption tank 1, wherein a water tank 2 is arranged on one side of the absorption tank 1, a water supply pipe 3 is arranged on the water tank 2, a water supply pump 6 is arranged on the water supply pipe 3, one end of the water supply pipe 3 is positioned in the water tank 2, the other end of the water supply pipe 3 penetrates through the side wall of the absorption tank 1 and extends into the absorption tank 1, one end of the water supply pipe 3 positioned in the absorption tank 1 is connected with a plurality of spray pipes 4 which are parallel and horizontal, and downward atomizing nozzles 5 are arranged on the spray pipes 4;
an air inlet pipe 7 is arranged on the side wall of the absorption tank 1, the air inlet pipe 7 is positioned below the spray pipe 4, and a plurality of downward air outlets 8 are arranged on the air inlet pipe 7;
the top of the absorption tank 1 is also provided with a gas-liquid separation device 9, a gas inlet of the gas-liquid separation device 9 is connected with a gas outlet pipe 10 which penetrates through the top surface of the absorption tank 1, a water outlet of the gas-liquid separation device 9 penetrates through the top surface of the absorption tank 1, and the gas-liquid separation device 9 is also connected with a negative pressure pump 11.
In a preferable scheme, a plurality of water pumping devices 12 are arranged in the absorption tank 1 below the air inlet pipe 7.
In a preferable scheme, the absorption tank 1 and the water tank 2 are arranged in a close manner, a through hole 13 is arranged on the side wall of the absorption tank 1, which is in contact with the water tank 2, the through hole 13 is communicated with the inner cavities of the absorption tank 1 and the water tank 2, and a liquid level meter 15 is arranged on the side wall of the water tank 2.
In a preferred scheme, the water pumping device 12 comprises a rotating shaft 121 horizontally arranged in the absorption tank 1, a plurality of water pumping plates 122 uniformly distributed on the side wall of the rotating shaft 121, and a plurality of water permeable holes 123 are formed in the water pumping plates 122.
In a preferred scheme, a water replenishing pipe 14 is arranged at the top of the water tank 2, and a water discharging pipe 16 is arranged at the lower edge of the side wall of the water tank 2.
In the preferred scheme, many 4 one end of shower fixed through fixed setting the location horizontal pole 17 on the inside wall of absorption tank 1, the other end sets up on same root horizontally connecting pipe for the horizontal connecting pipe of connecting many shower 4 is fixed through fixed knot 18.
In a preferable scheme, the water pumping devices 12 are linked through a first transmission belt 21 arranged at one end of a rotating shaft 121, an extension shaft 19 is arranged at one end of the rotating shaft 121 of one of the water pumping devices 12, the extension shaft 19 penetrates through the side wall of the absorption tank 1, and the extension shaft 19 part outside the absorption tank 1 is in transmission connection with a motor 20 through a second transmission belt 22.
The novel principle is as follows:
the negative pressure pump 11 is started to realize the negative pressure state in the cavity inside the absorption tank 1, at the moment, gas to be treated is continuously input into the absorption tank 1 through the air inlet pipe 7, then the water feeding pump 6 and the motor 20 are started, the spray pipe 4 sprays water mist, the water raising device 12 raises water splash, the gas flows upwards into the gas-liquid separation device 9 after being subjected to adsorption treatment twice, a water phase in the gas returns to the absorption tank 1 after being separated, a gas phase is directly discharged, water containing acidic components is discharged through the water discharge pipe 16 after adsorption operation is completed, water is supplemented into the water supplement pipe 14 after water discharge is completed, the liquid level meter 15 is observed, and water adding is stopped when the liquid level is close to the rotating shaft 121.
By adopting the structure, the water spray is lifted by the water lifting device, and the water spray is contacted with the gas output by the gas inlet pipe in the first step, so that preliminary adsorption is realized, and the aims of reducing acid components in the gas and relieving the pressure of subsequent adsorption operation are fulfilled; the atomizing nozzle generates water mist to be in secondary contact with the gas which continuously rises and adsorb the residual acid components in the gas, so that the adsorption operation effect is enhanced; the water consumed by the formed water mist and the water raised by the water raising device are communicated, so that the aim of recycling is fulfilled; the water phase part doped in the output gas is separated by the gas-liquid separation device and then returns to the absorption tank again, so that the discharge amount of acid components can be reduced as much as possible, and the maximum recovery rate of the acid components can be realized.

Claims (7)

1. A vacuum water mist absorption device for chloranil production comprises an absorption tank (1) and is characterized in that: a water tank (2) is arranged on one side of the absorption tank (1), a water supply pipe (3) is arranged on the water tank (2), a water supply pump (6) is arranged on the water supply pipe (3), one end of the water supply pipe (3) is positioned in the water tank (2), the other end of the water supply pipe penetrates through the side wall of the absorption tank (1) and extends into the absorption tank (1), one end of the water supply pipe (3) positioned in the absorption tank (1) is connected with a plurality of parallel and horizontal spray pipes (4), and a downward atomizing spray head (5) is arranged on each spray pipe (4);
an air inlet pipe (7) is arranged on the side wall of the absorption tank (1), the air inlet pipe (7) is positioned below the spray pipe (4), and a plurality of downward air outlets (8) are arranged on the air inlet pipe (7);
the top of the absorption tank (1) is also provided with a gas-liquid separation device (9), a gas inlet of the gas-liquid separation device (9) is connected with a gas outlet pipe (10) which penetrates through the top surface of the absorption tank (1), a water outlet of the gas-liquid separation device (9) penetrates through the top surface of the absorption tank (1), and the gas-liquid separation device (9) is also connected with a negative pressure pump (11).
2. The vacuum water mist absorption device for chloranil production according to claim 1, wherein the vacuum water mist absorption device comprises: a plurality of water pumping devices (12) are arranged in the absorption tank (1) below the air inlet pipe (7).
3. The vacuum water mist absorption device for chloranil production according to claim 2, wherein the vacuum water mist absorption device comprises: the absorption tank (1) and the water tank (2) are arranged in a close manner, a through hole (13) is formed in the side wall, in contact with the water tank (2), of the absorption tank (1), the through hole (13) is communicated with the inner cavity of the absorption tank (1) and the water tank (2), and a liquid level meter (15) is arranged on the side wall of the water tank (2).
4. The vacuum water mist absorption device for chloranil production according to claim 2, wherein the vacuum water mist absorption device comprises: the water pumping device (12) comprises a rotating shaft (121) horizontally arranged in the absorption tank (1), a plurality of water pumping plates (122) uniformly distributed are arranged on the side wall of the rotating shaft (121), and a plurality of water permeable holes (123) are formed in the water pumping plates (122).
5. The vacuum water mist absorption device for chloranil production according to claim 1, wherein the vacuum water mist absorption device comprises: the top of the water tank (2) is provided with a water replenishing pipe (14), and the lower edge of the side wall of the water tank (2) is provided with a water discharging pipe (16).
6. The vacuum water mist absorption device for chloranil production according to claim 1, wherein the vacuum water mist absorption device comprises: many shower (4) one end fix through fixed positioning horizontal pole (17) that sets up on the inside wall of absorption tank (1), the other end sets up on same root horizontally connecting pipe for the horizontal connecting pipe of connecting many shower (4) is fixed through fixed knot (18).
7. The vacuum water mist absorption device for chloranil production according to claim 4, wherein the vacuum water mist absorption device comprises: the water pumping devices (12) are linked through a first transmission belt (21) arranged at one end of a rotating shaft (121), one end of the rotating shaft (121) of one water pumping device (12) is provided with an extension shaft (19), the extension shaft (19) penetrates through the side wall of the absorption tank (1), and the extension shaft (19) part positioned outside the absorption tank (1) is in transmission connection with a motor (20) through a second transmission belt (22).
CN201920973957.2U 2019-06-26 2019-06-26 Vacuum water mist absorption device for tetrachlorobenzoquinone production Expired - Fee Related CN210522191U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920973957.2U CN210522191U (en) 2019-06-26 2019-06-26 Vacuum water mist absorption device for tetrachlorobenzoquinone production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920973957.2U CN210522191U (en) 2019-06-26 2019-06-26 Vacuum water mist absorption device for tetrachlorobenzoquinone production

Publications (1)

Publication Number Publication Date
CN210522191U true CN210522191U (en) 2020-05-15

Family

ID=70595878

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920973957.2U Expired - Fee Related CN210522191U (en) 2019-06-26 2019-06-26 Vacuum water mist absorption device for tetrachlorobenzoquinone production

Country Status (1)

Country Link
CN (1) CN210522191U (en)

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Granted publication date: 20200515

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