CN209885494U - Acid mist washing tower - Google Patents

Acid mist washing tower Download PDF

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Publication number
CN209885494U
CN209885494U CN201822242385.9U CN201822242385U CN209885494U CN 209885494 U CN209885494 U CN 209885494U CN 201822242385 U CN201822242385 U CN 201822242385U CN 209885494 U CN209885494 U CN 209885494U
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China
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pipe
tower body
air
top end
inner cavity
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CN201822242385.9U
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Chinese (zh)
Inventor
李慧
赵鹏
蔡小明
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JIANGSU SERO ANTICORROSION EQUIPMENT CO Ltd
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JIANGSU SERO ANTICORROSION EQUIPMENT CO Ltd
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Priority to CN201822242385.9U priority Critical patent/CN209885494U/en
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Abstract

An acid mist washing tower comprises a tower body, an air inlet pipe, a packing layer, a filter screen, a water tank, a water pump, a water delivery pipe, a through pipe, a spray branch pipe, a fixed rod, a bearing, a motor, a waterproof box, a fixed frame, a bearing sleeve, an air delivery pipe, a flow dividing pipe, a controller and a blower; the tower body is of a cylinder structure with an axially-through inner cavity; the gas transmission pipe is fixedly connected with the center of the top end of the tower body; the filter screen is fixedly arranged at the upper end of the inner cavity of the tower body; the air inlet pipe is arranged on the side surface of the tower body; the motor is fixedly arranged in the waterproof box; the through pipes are longitudinally arranged; one end of the water delivery pipe penetrates through the through hole at the top end of the bearing and is embedded into the through pipe, and the other end of the water delivery pipe penetrates through one side of the top end of the inner cavity of the tower body and is connected with the water tank; acid waste gas flows into the gas diffusion disc from the gas inlet pipe and is discharged from a plurality of gas diffusion holes distributed at the top end of the gas diffusion disc, so that the gas can be dispersed in the tower body and can be fully contacted with the filling layer, and the purification efficiency is improved.

Description

Acid mist washing tower
Technical Field
The utility model belongs to the environmental protection field, concretely relates to acid mist scrubbing tower.
Background Art
Acid mist generally refers to misty acids. The acid mist has very small particles in the air, is smaller than the water mist particles, has higher humidity than the smoke, is a substance between the smoke and the water mist, and has stronger corrosivity. The acid mist is mainly generated in the acid using process in the industries of chemical industry, electronics, metallurgy and the like. At present, most of the gas purification treatment in the industry uses a washing tower, which utilizes the contact between gas and liquid to transfer the pollutants in the gas into the liquid, and then separates the clean gas from the polluted liquid, thereby achieving the purpose of cleaning air. Present scrubbing tower intake pipe adopts the lug connection scrubbing tower mode to carry waste gas to the tower body inside, and this kind of mode can lead to waste gas can follow the inside unilateral upward flow of tower body, causes other half purifier to work effectively, purification efficiency low scheduling problem.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model discloses an acid mist scrubbing tower.
The specific technical scheme is as follows:
an acid mist washing tower comprises a tower body, an air inlet pipe, a packing layer, a filter screen, a water tank, a water pump, a water delivery pipe, a through pipe, a spray branch pipe, a fixed rod, a bearing, a motor, a waterproof box, a fixed frame, a bearing sleeve, an air delivery pipe, a flow dividing pipe, a controller and a blower; the tower body is of a cylinder structure with an axially-through inner cavity; the lower end of the side surface of the tower body is provided with a drain pipe; the air inlet pipe is arranged on the side face of the tower body, one end of the air inlet pipe penetrates through the tower body and is connected with an air dispersion disc, the air dispersion disc is of a hollow square plate structure and is horizontally arranged in the center of an inner cavity of the tower body, the bottom end of the air dispersion disc is connected with the air inlet pipe, a plurality of air dispersion ports are arranged at the top end of the air dispersion disc, the air dispersion ports are uniformly arranged on the peripheral edge of the top end of the air dispersion disc, the air dispersion ports are of a square structure, and openings are formed in the side faces, located at the peripheral edge of the; the packing layer is positioned above the air diffusion disc; the fixing frames are symmetrically distributed at two ends of the inner cavity of the tower body and are positioned above the packing layer, one end of each fixing frame is fixedly connected with the side wall of the inner cavity of the tower body, and the other end of each fixing frame is fixedly connected with the waterproof box; the waterproof box is of a hollow box-shaped structure, is fixedly arranged in the center of the inner cavity of the tower body through the fixing frame, and is provided with a hole in the center of the top end; the motor is fixedly arranged in the waterproof box, and the output end of the motor penetrates through a hole in the top end of the waterproof box and is fixedly connected with the bearing sleeve; the bearing sleeve is of a cylindrical structure and is horizontally arranged; the spraying pipe is longitudinally arranged, the bottom end of the spraying pipe is closed and is fixedly connected with the bearing sleeve, a plurality of spraying holes are formed in the spraying pipe, and the spraying holes are uniformly formed in the surface of the spraying pipe from top to bottom; the spraying branch pipes are horizontally arranged, the spraying branch pipes are uniformly distributed on the side surfaces of the through pipes, and each spraying branch pipe is provided with a plurality of spray heads; the through pipe is longitudinally arranged, the top end of the through pipe is connected with the bearing, and the bottom end of the through pipe is fixedly connected with the top end of the spraying pipe; the fixing rods are horizontally arranged and symmetrically distributed on two sides of the inner cavity of the tower body, one end of each fixing rod is fixedly connected with the side wall of the inner cavity of the tower body, and the other end of each fixing rod is fixedly connected with the side surface of the bearing; the bearing is horizontally arranged at the upper end of the inner cavity of the tower body through a fixed rod, and a through hole is formed in the top end of the bearing; the water tank is arranged on one side of the tower body; the diameter of the water delivery pipe is matched with the inner diameter of the through pipe, one end of the water delivery pipe penetrates through a through hole at the top end of the bearing and is embedded into the through pipe, and the other end of the water delivery pipe penetrates through one side of the top end of the inner cavity of the tower body and is connected with the water tank; the water pump is fixedly arranged on the water delivery pipe and is positioned between the tower body and the water tank; the filter screen is fixedly arranged at the upper end of the inner cavity of the tower body and is positioned above the bearing;
one end of the gas pipe is fixedly connected with the center of the top end of the tower body, the other end of the gas pipe is fixedly connected with the flow dividing pipe, a centrifugal fan is arranged in the gas pipe, and a pH sensor is arranged at one end, close to the tower body, in the gas pipe; the flow dividing pipe is horizontally arranged, one end of the flow dividing pipe is fixedly connected with the other side surface of the tower body, and the other end of the flow dividing pipe is fixedly connected with the blower; a first electric air valve and a second electric air valve are fixedly arranged in the shunt pipe, the first electric air valve is close to one side of the tower body and is positioned at one end of the joint of the air delivery pipe and the shunt pipe, and the second electric air valve is close to one side of the air blower and is positioned at the other end of the joint of the air delivery pipe and the shunt pipe; the controller is fixedly arranged on the gas pipe and is close to the joint of the gas pipe and the flow dividing pipe, the controller comprises a single chip microcomputer and a PID controller, the signal input end of the single chip microcomputer is connected with the signal output end of the pH sensor, the signal input end of the PID controller is connected with the signal output end of the single chip microcomputer, and the signal output end of the PID controller is respectively and electrically connected with the control input end of the first electric air valve and the control input end of the second electric air valve; and a smoke window is fixedly arranged at the top end of the air blower.
Further, the liquid loaded in the water tank is a sodium hydroxide aqueous solution.
Further, a sealing ring is arranged in the bearing.
Furthermore, a sealing gasket is arranged around the hole at the top end of the waterproof box.
Furthermore, the packing layer is a plastic multi-surface hollow sphere.
Further, the filter screen is a nylon filter screen.
Furthermore, the gas transmission pipe adopts a PPH pipe.
Further, the centrifugal fan is fixed in the air pipe through bolts and nuts.
The utility model has the advantages that:
the acid waste gas flows to the gas diffusion disc from the gas inlet pipe and is discharged from the plurality of gas diffusion holes at the top end of the gas diffusion disc, so that the gas can be dispersed in the tower body and can be fully contacted with the filling layer, and the purification efficiency is improved. The air diffusing opening is arranged on the side surface, so that liquid can be effectively prevented from flowing into the air diffusing disc and entering the exhaust pipe.
The upper end of the tower body is provided with the air filter screen which can effectively prevent residual foreign particles in the gas, thereby discharging clean gas.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the through pipe of the present invention.
Fig. 3 is a bottom view of the middle spray branch pipe of the present invention.
Fig. 4 is a perspective view of the middle waterproof box of the present invention.
Fig. 5 is a cross-sectional view of the middle bearing of the present invention.
Fig. 6 is a perspective view of the middle air diffusion plate of the present invention.
Fig. 7 is a connection block diagram of the controller of the present invention.
Fig. 8 is a flowchart illustrating the operation of the controller according to the present invention.
Detailed Description
For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the drawing below the utility model discloses further describe, any is right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope. The utility model discloses in the fixed connection who mentions, fixed setting is the general connected mode among the mechanical field, and welding, sticky, bolt and nut are connected and the screw connection is all can.
Description of the reference numerals
The water pump 1, the water tank 2, the tower body 3, the water pipe 4, the air inlet pipe 5, the air dispersion disc 51, the air dispersion port 52, the opening 521, the packing layer 6, the fixing frame 7, the waterproof box 8, the hole 81, the sealing gasket 82, the water outlet pipe 9, the spray pipe 10, the spray hole 101, the bearing 11, the sealing ring 111, the through hole 112, the fixing rod 12, the spray branch pipe 13, the spray nozzle 131, the through pipe 14, the motor 15, the receiving sleeve 16, the filter screen 17, the air pipe 18, the pH sensor 181, the centrifugal fan 182, the shunt pipe 19, the first electric air valve 191, the second electric air valve 192, the controller 20, the single chip microcomputer 201, the PID controller 202, the blower 21 and the smoke window 22.
The utility model discloses the electronic blast gate that adopts is purchased from Texas shunze air conditioning equipment Limited, for prior art, does not do here and gives unnecessary details.
The utility model discloses the pH sensor who adopts is rice branch of academic or vocational study MIK-pH6.0, purchases from Hangzhou rice branch of academic or vocational study sensing technology limited company, for prior art, does not do here and gives unnecessary details.
An acid mist washing tower comprises a tower body, an air inlet pipe, a packing layer, a filter screen, a water tank, a water pump, a water delivery pipe, a through pipe, a spray branch pipe, a fixed rod, a bearing, a motor, a waterproof box, a fixed frame, a bearing sleeve, an air delivery pipe, a flow dividing pipe, a controller and a blower; the tower body is of a cylinder structure with an axially-through inner cavity; the lower end of the side surface of the tower body is provided with a drain pipe; the air inlet pipe is arranged on the side face of the tower body, one end of the air inlet pipe penetrates through the tower body and is connected with an air dispersion disc, the air dispersion disc is of a hollow square plate structure and is horizontally arranged in the center of an inner cavity of the tower body, the bottom end of the air dispersion disc is connected with the air inlet pipe, 16 air dispersion ports are arranged at the top end of the air dispersion disc, the air dispersion ports are uniformly arranged on the peripheral edge of the top end of the air dispersion disc, the air dispersion ports are of a square structure, and openings are formed in the side faces, located at the peripheral edge of the air dispersion; the packing layer is positioned above the air diffusion disc; the number of the fixing frames is 2, the fixing frames are symmetrically distributed at two ends of the inner cavity of the tower body and are positioned above the packing layer, one end of each fixing frame is fixedly connected with the side wall of the inner cavity of the tower body, and the other end of each fixing frame is fixedly connected with the waterproof box; the waterproof box is of a hollow box-shaped structure, is fixedly arranged in the center of the inner cavity of the tower body through the fixing frame, and is provided with a hole in the center of the top end; the motor is fixedly arranged in the waterproof box, and the output end of the motor penetrates through a hole in the top end of the waterproof box and is fixedly connected with the bearing sleeve; the bearing sleeve is of a cylindrical structure and is horizontally arranged; the spraying pipe is longitudinally arranged, the bottom end of the spraying pipe is closed and is fixedly connected with the bearing sleeve, a plurality of spraying holes are formed in the spraying pipe, and the spraying holes are uniformly formed in the surface of the spraying pipe from top to bottom; the number of the spraying branch pipes is 4, the spraying branch pipes are horizontally arranged, the spraying branch pipes are uniformly distributed on the side surfaces of the through pipes, and each spraying branch pipe is provided with 3 spray heads; the through pipe is longitudinally arranged, the top end of the through pipe is connected with the bearing, and the bottom end of the through pipe is fixedly connected with the top end of the spraying pipe; the number of the fixing rods is 2, the fixing rods are horizontally arranged and symmetrically distributed on two sides of the inner cavity of the tower body, one end of each fixing rod is fixedly connected with the side wall of the inner cavity of the tower body, and the other end of each fixing rod is fixedly connected with the side surface of the bearing; the bearing is horizontally arranged at the upper end of the inner cavity of the tower body through a fixed rod, and a through hole is formed in the top end of the bearing; the water tank is arranged on one side of the tower body; the diameter of the water delivery pipe is matched with the inner diameter of the through pipe, one end of the water delivery pipe penetrates through a through hole at the top end of the bearing and is embedded into the through pipe, and the other end of the water delivery pipe penetrates through one side of the top end of the inner cavity of the tower body and is connected with the water tank; the water pump is fixedly arranged on the water delivery pipe and is positioned between the tower body and the water tank; the filter screen is fixedly arranged at the upper end of the inner cavity of the tower body and is positioned above the bearing;
one end of the gas pipe is fixedly connected with the center of the top end of the tower body, the other end of the gas pipe is fixedly connected with the flow dividing pipe, a centrifugal fan is arranged in the gas pipe, and a pH sensor is arranged at one end, close to the tower body, in the gas pipe; the flow dividing pipe is horizontally arranged, one end of the flow dividing pipe is fixedly connected with the other side surface of the tower body, and the other end of the flow dividing pipe is fixedly connected with the blower; a first electric air valve and a second electric air valve are fixedly arranged in the shunt pipe, the first electric air valve is close to one side of the tower body and is positioned at one end of the joint of the air delivery pipe and the shunt pipe, and the second electric air valve is close to one side of the air blower and is positioned at the other end of the joint of the air delivery pipe and the shunt pipe; the controller is fixedly arranged on the gas pipe and is close to the joint of the gas pipe and the flow dividing pipe, the controller comprises a single chip microcomputer and a PID controller, the signal input end of the single chip microcomputer is connected with the signal output end of the pH sensor, the signal input end of the PID controller is connected with the signal output end of the single chip microcomputer, and the signal output end of the PID controller is respectively and electrically connected with the control input end of the first electric air valve and the control input end of the second electric air valve; and a smoke window is fixedly arranged at the top end of the air blower.
Further, the liquid loaded in the water tank is a sodium hydroxide aqueous solution.
Further, a sealing ring is arranged in the bearing.
Furthermore, a sealing gasket is arranged around the hole at the top end of the waterproof box.
Furthermore, the packing layer is a plastic multi-surface hollow sphere.
Further, the filter screen is a nylon filter screen.
Furthermore, the gas transmission pipe adopts a PPH pipe.
Further, the centrifugal fan is fixed in the air pipe through bolts and nuts.
The working principle is that acid mist waste gas enters the washing tower through the gas inlet pipe, and the acid mist gas passes through the packing layer from bottom to top to be circularly absorbed after being dispersed and discharged through the gas dispersing disc; liquid is uniformly sprayed in the packing layer through spraying distribution and flows downwards along the surface of the packing layer, the motor drives the spray pipe to rotate through the bearing sleeve, the spray pipe simultaneously drives the through pipe and the spray branch pipe on the through pipe to rotate, acid-base gas is collected by water after sprayed water mist is fully contacted with acid mist gas, gas and impurity particles in the acid mist are separated, water solution containing the impurity particles flows in through the tower wall due to gravity and is discharged from a drain pipe at the lower end of the tower body, and the gas is upwards purified through the filter screen and then is discharged from a gas pipe at the top of the tower body. When the pH sensor in the gas transmission pipe detects that the pH value is less than 6, the signal is fed back to the single chip microcomputer, the single chip microcomputer receives the signal and sends an instruction to the PID controller, the PID controller controls the first electric valve to open, the second electric valve is closed, acid mist gas which does not reach the standard enters the acid mist tower again to be filtered, the filtered gas enters the gas transmission pipe again, when the pH sensor in the gas transmission pipe detects that the pH value is not less than 6, the signal is fed back to the single chip microcomputer, the single chip microcomputer receives the signal and sends an instruction to the PID controller, the PID controller controls the second electric valve to open, the first electric valve is closed, clean gas enters the air blower and is discharged from the smoke window.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. An acid mist washing tower comprises a tower body, an air inlet pipe, a packing layer, a filter screen, a water tank, a water pump, a water delivery pipe, a through pipe, a spray branch pipe, a fixed rod, a bearing, a motor, a waterproof box, a fixed frame, a bearing sleeve, an air delivery pipe, a flow dividing pipe, a controller and a blower; the tower body is of a cylinder structure with an axially-through inner cavity; the lower end of the side surface of the tower body is provided with a drain pipe; the air inlet pipe is arranged on the side face of the tower body, one end of the air inlet pipe penetrates through the tower body and is connected with an air dispersion disc, the air dispersion disc is of a hollow square plate structure and is horizontally arranged in the center of an inner cavity of the tower body, the bottom end of the air dispersion disc is connected with the air inlet pipe, a plurality of air dispersion ports are arranged at the top end of the air dispersion disc, the air dispersion ports are uniformly arranged on the peripheral edge of the top end of the air dispersion disc, the air dispersion ports are of a square structure, and openings are formed in the side faces, located at the peripheral edge of the; the packing layer is positioned above the air diffusion disc; the fixing frames are symmetrically distributed at two ends of the inner cavity of the tower body and are positioned above the packing layer, one end of each fixing frame is fixedly connected with the side wall of the inner cavity of the tower body, and the other end of each fixing frame is fixedly connected with the waterproof box; the waterproof box is of a hollow box-shaped structure, is fixedly arranged in the center of the inner cavity of the tower body through the fixing frame, and is provided with a hole in the center of the top end; the motor is fixedly arranged in the waterproof box, and the output end of the motor penetrates through a hole in the top end of the waterproof box and is fixedly connected with the bearing sleeve; the bearing sleeve is of a cylindrical structure and is horizontally arranged; the spraying pipe is longitudinally arranged, the bottom end of the spraying pipe is closed and is fixedly connected with the bearing sleeve, a plurality of spraying holes are formed in the spraying pipe, and the spraying holes are uniformly formed in the surface of the spraying pipe from top to bottom; the spraying branch pipes are horizontally arranged, the spraying branch pipes are uniformly distributed on the side surfaces of the through pipes, and each spraying branch pipe is provided with a plurality of spray heads; the through pipe is longitudinally arranged, the top end of the through pipe is connected with the bearing, and the bottom end of the through pipe is fixedly connected with the top end of the spraying pipe; the fixing rods are horizontally arranged and symmetrically distributed on two sides of the inner cavity of the tower body, one end of each fixing rod is fixedly connected with the side wall of the inner cavity of the tower body, and the other end of each fixing rod is fixedly connected with the side surface of the bearing; the bearing is horizontally arranged at the upper end of the inner cavity of the tower body through a fixed rod, and a through hole is formed in the top end of the bearing; the water tank is arranged on one side of the tower body; the diameter of the water delivery pipe is matched with the inner diameter of the through pipe, one end of the water delivery pipe penetrates through a through hole at the top end of the bearing and is embedded into the through pipe, and the other end of the water delivery pipe penetrates through one side of the top end of the inner cavity of the tower body and is connected with the water tank; the water pump is fixedly arranged on the water delivery pipe and is positioned between the tower body and the water tank; the filter screen is fixedly arranged at the upper end of the inner cavity of the tower body and is positioned above the bearing; one end of the gas pipe is fixedly connected with the center of the top end of the tower body, the other end of the gas pipe is fixedly connected with the flow dividing pipe, a centrifugal fan is arranged in the gas pipe, and a pH sensor is arranged at one end, close to the tower body, in the gas pipe; the flow dividing pipe is horizontally arranged, one end of the flow dividing pipe is fixedly connected with the other side surface of the tower body, and the other end of the flow dividing pipe is fixedly connected with the blower; a first electric air valve and a second electric air valve are fixedly arranged in the shunt pipe, the first electric air valve is close to one side of the tower body and is positioned at one end of the joint of the air delivery pipe and the shunt pipe, and the second electric air valve is close to one side of the air blower and is positioned at the other end of the joint of the air delivery pipe and the shunt pipe; the controller is fixedly arranged on the gas pipe and is close to the joint of the gas pipe and the flow dividing pipe, the controller comprises a single chip microcomputer and a PID controller, the signal input end of the single chip microcomputer is connected with the signal output end of the pH sensor, the signal input end of the PID controller is connected with the signal output end of the single chip microcomputer, and the signal output end of the PID controller is respectively and electrically connected with the control input end of the first electric air valve and the control input end of the second electric air valve; and a smoke window is fixedly arranged at the top end of the air blower.
2. The acid mist scrubber tower as recited in claim 1 wherein the liquid contained in the tank is an aqueous sodium hydroxide solution.
3. The acid mist scrubber tower of claim 1, wherein the bearing inner race is provided with a seal ring.
4. The acid mist scrubber tower as recited in claim 1 wherein a gasket is disposed around the opening at the top end of the watertight box.
5. The acid mist scrubber as recited in claim 1 wherein the packing layer is a hollow, plastic faceted sphere.
6. The acid mist scrubber tower as recited in claim 1 wherein the filter screen is a nylon filter screen.
7. The acid mist washing tower as claimed in claim 1, wherein the gas pipe is a PPH pipe.
8. The acid mist scrubber tower as recited in claim 1 wherein the centrifugal fan is secured within the gas duct by bolts and nuts.
CN201822242385.9U 2018-12-29 2018-12-29 Acid mist washing tower Active CN209885494U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822242385.9U CN209885494U (en) 2018-12-29 2018-12-29 Acid mist washing tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822242385.9U CN209885494U (en) 2018-12-29 2018-12-29 Acid mist washing tower

Publications (1)

Publication Number Publication Date
CN209885494U true CN209885494U (en) 2020-01-03

Family

ID=68990560

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822242385.9U Active CN209885494U (en) 2018-12-29 2018-12-29 Acid mist washing tower

Country Status (1)

Country Link
CN (1) CN209885494U (en)

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