CN112354310A

CN112354310A - Multistage purification treatment system of industrial waste gas

Info

Publication number: CN112354310A
Application number: CN202011151192.8A
Authority: CN
Inventors: 李红
Original assignee: Shandong Tianzhi Information Technology Co ltd
Current assignee: Shanxi Yulite Environmental Protection Engineering Co ltd
Priority date: 2020-10-25
Filing date: 2020-10-25
Publication date: 2021-02-12
Anticipated expiration: 2040-10-25
Also published as: CN112354310B

Abstract

The invention discloses an industrial waste gas multistage purification treatment system which comprises an air inlet, an electric dust removal chamber, a spray chamber, a turbulence mechanism, a UV (ultraviolet) photo-oxidation chamber, an exhaust mechanism, a ventilation pipe and a box body, wherein the air inlet is arranged at one side of the box body, the exhaust mechanism is arranged at the other side of the box body, the electric dust removal chamber, the spray chamber and the UV photo-oxidation chamber are sequentially arranged in the box body from the air inlet to the exhaust mechanism, one end of the ventilation pipe is connected with the electric dust removal chamber and is arranged in the middle lower part of an anode plate, and the other end of the ventilation pipe is connected. The invention has simple structure, reduces energy consumption and maintenance cost and has high purification efficiency.

Description

Multistage purification treatment system of industrial waste gas

Technical Field

The invention belongs to the technical field of waste gas treatment, and particularly relates to a multistage purification treatment system for industrial waste gas.

Background

With the continuous development of society, more and more factories generate a large amount of industrial waste gas in industries such as chemical industry, paint, metal printing, color printing leather, pharmacy, and municipal sewage station sewers, the industrial waste gas contains dust particles, smoke, dust, peculiar smell, and toxic and harmful gases, if the industrial waste gas is directly discharged into the air, very serious pollution is caused, and the following problems occur in the use process of the existing common waste gas purification device:

1) the traditional purification device takes spray dust removal as a first-stage dust removal mechanism and is directly communicated with a subsequent purification device, so that a dust removal chamber pipeline is easily blocked, and mist easily enters the subsequent purification device along with waste gas, so that the purification efficiency is influenced;

2) the traditional purification device excessively depends on a spraying mechanism and active carbon to adsorb and purify waste gas, the excessive spraying mechanism is arranged to spray spraying liquid, mixed gas in the waste gas cannot be thoroughly removed by single spraying liquid, multiple spraying liquids are sprayed, chemical reaction is easily caused to generate secondary pollution, an active carbon layer is difficult to regenerate although the cost is low, when the active carbon is adsorbed and saturated, the adsorption capacity is lost, and the waste gas directly passes through the active carbon layer and cannot reach the emission standard;

3) the UV photooxidation room that sets up among the traditional purification device places multiunit UV fluorescent tube side by side, and unable removal causes middle oxidizing power too strong easily, and oxidizing power is weak all around, and waste gas directly gets into oxidative decomposition in the UV photooxidation room, and when the waste gas flow was too big, the oxidation was incomplete, and when the waste gas flow was too little, caused the wasting of resources to the water content is higher, causes oxidation efficiency and falls.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides the industrial waste gas multistage purification treatment system which is simple in structure, reduces energy consumption and maintenance cost and is high in purification efficiency.

In order to achieve the purpose, the invention adopts the technical scheme that:

a multistage purification treatment system for industrial waste gas comprises an air inlet, an electric dust removal chamber, a spray chamber, a turbulence mechanism, a UV photo-oxidation chamber, an exhaust mechanism, a ventilation pipe and a box body, wherein one side of the box body is provided with the air inlet, the other side of the box body is provided with the exhaust mechanism, the internal structure of the box body is sequentially provided with the electric dust removal chamber, the spray chamber and the UV photo-oxidation chamber from the air inlet to the exhaust mechanism, one end of the ventilation pipe is connected with the electric dust removal chamber and is arranged below the middle part of an anode plate, the other end of the ventilation pipe is communicated with the spray chamber and is arranged below the middle part of the spray chamber, the electric dust removal chamber comprises a cathode wire, a vibration motor, an anode plate, a traction rope, a traction motor, a fixed pulley, an ash storage box, a scraper blade and a vent, the cathode wire is arranged below the air inlet above the anode plate, one side of the, a recoil air pipe is fixedly arranged in the ventilation opening and communicated with a compressed air pump which is fixedly arranged on one side of the box body.

The spray chamber comprises a demister, a circular purification chamber, a circulating water pipe, a circulating water pump, an atomization nozzle and a spray pipe, wherein the circulating water pump is fixed on one side of the box body and is communicated with the circulating water pipe, the circulating water pipe is fixedly connected with the spray pipe, the spray pipe penetrates into the circular purification chamber, the atomization nozzle is uniformly distributed on the spray pipe, the demister is arranged above the spray pipe, and a turbulence mechanism is arranged above the demister in an inclined mode.

The vortex mechanism includes resistance wire, vortex blade, vortex motor, rotary electric connector, buckle, fixed pin, fixed slot, main shaft, and vortex motor fixed mounting is in box one side, and the vortex motor passes through main shaft fixed connection fixed slot, and the vortex blade passes through the fixed pin and the buckle is installed in the fixed slot, and fixed mounting has the resistance wire on the vortex blade, and the resistance wire passes through the rotary electric connector of connection of electric lines, and rotary electric connector fixed mounting is on the main shaft, and vortex mechanism below is equipped with UV light oxidation chamber.

The UV photooxidation chamber comprises a catalyst plate, a foldable screen, a hydraulic cylinder, a sliding rail, a fixing plate, UV lamp tubes and light reflecting devices, wherein the UV lamp tubes and the light reflecting devices are distributed in a staggered mode, the catalyst plate is fixedly arranged on the light reflecting device on one side, one light reflecting device is fixedly arranged, the other light reflecting device is provided with the sliding rail, the sliding rail is fixed on the fixing plate, the hydraulic cylinder is arranged below the fixing plate, and the foldable screen is fixedly arranged above the movable light reflecting device.

Exhaust mechanism includes rotatory impeller defroster, exhaust pipe, activated carbon fiber board, fixed bolster, water storage box, drain pipe, and rotatory impeller defroster passes through fixed bolster fixed mounting in the exhaust pipe, and rotatory impeller defroster below is located to the water storage box, and water storage box bottom portion is located to the drain pipe, activated carbon fiber board adopts honeycomb structure, locates exhaust pipe air outlet department.

Preferably, the bottom of the anode plate is provided with a guide rail, and one side of the anode plate is provided with a handle, so that the anode plate is convenient to replace and maintain.

Preferably, one side of the ash storage box is provided with a handle, so that the ash storage box is convenient to clean.

Preferably, the inlet of the vent is provided with a baffle, the baffle and the external channel form a reversely bent air duct to prevent the flying dust from flying into the spray chamber.

Preferably, the circular purification chamber is obliquely arranged, and forms an included angle of 65-75 degrees with the horizontal plane, so that the contact time of waste gas and spray liquid can be prolonged.

Preferably, the catalyst plate is made of titanium dioxide material, so that the catalytic efficiency is improved.

Compared with the prior art, the invention has the beneficial effects that:

1) the cathode wires are uniformly arranged above the anode plate to form a uniform electric field, so that dust can be fully electrified when passing through the electric field, and the dust removal effect is enhanced;

2) the bottom of each turbulence blade is connected with the main shaft through a fixing groove, and the two sides of each fixing groove are respectively provided with a buckle for fixing the turbulence blade, so that the turbulence blades can be conveniently replaced and maintained;

3) the reflecting device on one side can move up and down and back and forth through the hydraulic cylinder, so that the size of the waste gas channel can be adjusted according to the actual waste gas flow, and the oxidation efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of a multistage purification treatment system for industrial waste gas according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of a multi-stage purification treatment system for industrial waste gas according to the present invention;

FIG. 3 is a schematic view of the electro-precipitator and spray chamber;

FIG. 4 is a side view of the internal structure of a multi-stage purification treatment system for industrial waste gas according to the present invention;

FIG. 5 is a schematic structural view of a spoiler;

FIG. 6 is a schematic view of a rotating impeller mist eliminator configuration;

FIG. 7 is a schematic diagram of the structure of an activated carbon fiber sheet;

FIG. 8 is a schematic view of a shower arrangement;

FIG. 9 is a schematic view of the internal structure of the vent;

FIG. 10 is an enlarged fragmentary view at A of FIG. 2;

FIG. 11 is an enlarged fragmentary view at B of FIG. 4;

in the figure: 10. an air inlet; 11. an electric dust removing chamber; 12. a spray chamber; 13. a flow disturbing mechanism; 14. a UV photo-oxidation chamber; 15. an air exhaust mechanism; 16. a vent pipe; 17. a box body; 111. a cathode line; 112. a vibration motor; 113. an anode plate; 114. a hauling rope; 115. a traction motor; 116. a fixed pulley; 117. a dust storage box; 118. a squeegee; 119. a vent; 1191. an air compression pump; 1192. back flushing the trachea; 121. a demister; 122. a circular purification chamber; 123. a circulating water pipe; 124. a water circulating pump; 125. an atomizing spray head; 126. a shower pipe; 131. a resistance wire; 132. a spoiler blade; 133. a turbulent flow motor; 134. a rotating electrical connector; 135. buckling; 136. a fixing pin; 137. fixing grooves; 138. a main shaft; 141. a catalyst plate; 142. a foldable screen; 143. a hydraulic cylinder; 144. a slide rail; 145. a fixing plate; 146. a UV lamp tube; 147. a light reflecting means; 151. a rotating impeller demister; 152. an exhaust duct; 153. an activated carbon fiber board; 154. fixing a bracket; 155. a water storage box; 156. and a water discharge pipe.

Detailed Description

For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further described in detail with reference to fig. 1 to 11.

The utility model provides a multistage purification processing system of industrial waste gas, includes air intake 10, electric precipitation chamber 11, spray room 12, vortex mechanism 13, UV photooxidation chamber 14, exhaust mechanism 15, ventilation pipe 16, box 17 one side is equipped with air intake 10, and the opposite side is equipped with exhaust mechanism 15, and box 17 inner structure is equipped with electric precipitation chamber 11, spray room 12, UV photooxidation chamber 14 from air intake 10 to exhaust mechanism 15 in proper order, ventilation pipe 16 one end is circular telegram precipitation chamber 11 even, locates below in the anode plate 113, and the other end communicates spray room 12, locates below in spray room 12, electric precipitation chamber 11 includes negative pole line 111, vibrating motor 112, anode plate 113, haulage rope 114, haulage motor 115, fixed pulley 116, ash storage box 117, scraper blade 118, vent 119, negative pole line 111 locates air intake 10 below in 113 top, and anode plate 113 one side is equipped with vibrating motor 112, the traction motor 115 bypasses the fixed pulley 116 through the traction rope 114 to be connected with the scraper 118, the bottom of the scraper 118 is provided with the ash storage box 117, the vent 119 is arranged between the two anode plates 113 and is fixedly communicated with the spray chamber 12, the inside of the vent 119 is fixedly provided with a recoil air pipe 1192, the recoil air pipe 1192 is communicated with the air compression pump 1191, and the air compression pump 1191 is fixedly arranged on one side of the box body 17.

The spray chamber 12 comprises a demister 121, a circular purification chamber 122, a circulating water pipe 123, a circulating water pump 124, an atomizing spray nozzle 125 and a spray pipe 126, the circulating water pump 124 is fixed on one side of the box body 17 and communicated with the circulating water pipe 123, the circulating water pipe 123 is fixedly connected with the spray pipe 126, the spray pipe 126 extends into the circular purification chamber 122, the atomizing spray nozzle 125 is uniformly distributed on the spray pipe 126, the demister 121 is arranged above the spray pipe 126, and a turbulence mechanism 13 is arranged above the demister 121 in an oblique direction.

The turbulence mechanism 13 comprises a resistance wire 131, turbulence blades 132, a turbulence motor 133, a rotary electric connector 134, a buckle 135, a fixing pin 136, a fixing groove 137 and a main shaft 138, the turbulence motor 133 is fixedly installed on one side of the box body 17, the turbulence motor 133 is fixedly connected with the fixing groove 137 through the main shaft 138, the turbulence blades 132 are installed in the fixing groove 137 through the fixing pin 136 and the buckle 135, the resistance wire 131 is fixedly installed on the turbulence blades 132, the resistance wire 131 is connected with the rotary electric connector 134 through an electric wire, the rotary electric connector 134 is fixedly installed on the main shaft 138, and the UV light oxidation chamber 14 is arranged below the turbulence mechanism 13.

The UV photo-oxidation chamber 14 comprises a catalyst plate 141, a foldable screen 142, a hydraulic cylinder 143, a slide rail 144, a fixing plate 145, UV lamps 146 and light reflecting devices 147, wherein the UV lamps 146 and the light reflecting devices 147 are distributed in a staggered manner, the catalyst plate 141 is fixedly arranged on the light reflecting devices 147 on one side, one light reflecting device 147 is fixedly arranged, the other light reflecting device 147 is provided with the slide rail 144, the slide rail 144 is fixed on the fixing plate 145, the hydraulic cylinder 143 is arranged below the fixing plate 145, and the foldable screen 142 is fixedly arranged above the movable light reflecting device 147.

Exhaust mechanism 15 includes rotatory impeller defroster 151, exhaust pipe 152, activated carbon fiber board 153, fixed bolster 154, water storage box 155, drain pipe 156, and rotatory impeller defroster 151 ware passes through fixed bolster 154 fixed mounting in exhaust pipe 152, and rotatory impeller defroster 151 below is located to water storage box 155, and water storage box 155 bottom is located to drain pipe 156, activated carbon fiber board 153 adopts honeycomb structure, locates exhaust pipe 152 air outlet department.

The bottom of the anode plate 113 is provided with a guide rail, and one side of the anode plate is provided with a handle, so that the anode plate is convenient to replace and maintain.

A handle is arranged on one side of the ash storage box 117, so that cleaning is convenient.

The inlet of the vent 119 is provided with a baffle, the baffle and an external channel form a reverse bending vent channel to prevent flying dust from flying into the spray chamber 12.

The circular purification chamber 122 is obliquely arranged and forms an included angle of 65-75 degrees with the horizontal plane, so that the contact time of waste gas and spray liquid can be prolonged.

The catalyst plate 141 is made of a titanium dioxide material, so that the catalytic efficiency is improved.

The multistage purification treatment system for the industrial waste gas comprises the following working processes: industrial waste gas enters an electric dust removal chamber 11 from an air inlet 10, dust is enabled to carry negative ions through a cathode wire 111, on an anode plate 113 carrying the dust adsorption of the negative ions when passing through the anode plate 113, a vibration motor 112 periodically vibrates to enable the dust on the anode plate 113 to fall onto a lower inclined plate, the dust is scraped into an ash storage box 117 through a scraper 118, the industrial waste gas after dust removal enters a spraying chamber 12 through a vent 119, when the flow rate of the industrial waste gas is large, a vent pipe 16 is opened to assist the vent 119 to ventilate, the industrial waste gas is fully combined with spraying liquid sprayed out by an atomizing nozzle 125 through a circular purification chamber 122, the industrial waste gas is firstly purified and then subjected to dust removal treatment again, the spraying liquid flows into a lower water tank and is pumped into a spraying pipe 126 through a circulating water pump 124 through a circulating water pipe 123 for cyclic utilization, the industrial waste gas enters a turbulence mechanism 13 through a demister 121, a turbulence motor 133 drives turbulence blades 132 to rotate to, resistance wire 131 on vortex blade 132 ohmic heating further dry industrial waste gas, waste gas gets into and takes place the oxidation by UV light irradiation and catalyst board 141 in the UV light oxidation room 14, reflex reflector 147 can reflect UV light, reduce energy consumption, can adjust the flexible of pneumatic cylinder 143 according to the waste gas flow, with the size of this control exhaust passage, promote oxidation efficiency, industrial waste gas through the purification gets into exhaust mechanism 15, rotatory impeller defroster 151 is high-speed rotatory, catch the moisture in the waste gas and store in water storage box 155, discharge by drain pipe 156, waste gas is finally discharged after activated carbon fiber board 153 adsorbs.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.

Claims

1. The utility model provides a multistage purification processing system of industrial waste gas, includes air intake, electric clean room, spray room, vortex mechanism, UV photooxidation room, exhaust mechanism, ventilation pipe, box, its characterized in that box one side is equipped with the air intake, and the opposite side is equipped with exhaust mechanism, and box inner structure is equipped with electric clean room, spray room, UV photooxidation room from air intake to exhaust mechanism in proper order, ventilation pipe one end is the electric clean room even, locates below in the anode plate, and the other end intercommunication spray room is located below in the spray room.

2. The industrial waste gas multistage purification treatment system according to claim 1, wherein the electric precipitation chamber comprises a cathode wire, a vibration motor, an anode plate, a traction rope, a traction motor, a fixed pulley, an ash storage box, a scraper and a vent, the cathode wire is arranged below an air inlet above the anode plate, the vibration motor is arranged on one side of the anode plate, the traction motor bypasses the fixed pulley through the traction rope to be connected with the scraper, the ash storage box is arranged at the bottom of the scraper, the vent is arranged between the two anode plates and is fixedly communicated with the spray chamber, a backflushing air pipe is fixedly arranged in the vent and is communicated with a compressed air pump, and the compressed air pump is fixedly arranged on one side of the; the spray chamber comprises a demister, a circular purification chamber, a circulating water pipe, a circulating water pump, an atomization nozzle and a spray pipe, wherein the circulating water pump is fixed on one side of the box body and is communicated with the circulating water pipe, the circulating water pipe is fixedly connected with the spray pipe, the spray pipe penetrates into the circular purification chamber, the atomization nozzle is uniformly distributed on the spray pipe, the demister is arranged above the spray pipe, and a turbulence mechanism is arranged above the demister in an inclined mode.

3. The industrial waste gas multistage purification treatment system according to claim 1, wherein the turbulence mechanism comprises a resistance wire, a turbulence blade, a turbulence motor, a rotary electric connector, a buckle, a fixed pin, a fixed groove and a main shaft, the turbulence motor is fixedly arranged on one side of the box body, the turbulence motor is fixedly connected with the fixed groove through the main shaft, the turbulence blade is arranged in the fixed groove through the fixed pin and the buckle, the resistance wire is fixedly arranged on the turbulence blade, the resistance wire is connected with the rotary electric connector through an electric wire, the rotary electric connector is fixedly arranged on the main shaft, and a UV light oxidation chamber is arranged below the turbulence mechanism; the UV photooxidation chamber comprises a catalyst plate, a foldable screen, a hydraulic cylinder, a sliding rail, a fixing plate, UV lamp tubes and light reflecting devices, wherein the UV lamp tubes and the light reflecting devices are distributed in a staggered mode, the catalyst plate is fixedly arranged on the light reflecting device on one side, one light reflecting device is fixedly arranged, the other light reflecting device is provided with the sliding rail, the sliding rail is fixed on the fixing plate, the hydraulic cylinder is arranged below the fixing plate, and the foldable screen is fixedly arranged above the movable light reflecting device.

4. The multistage purification treatment system for industrial waste gas according to claim 1, wherein the exhaust mechanism comprises a rotating impeller demister, an exhaust pipe, an activated carbon fiber board, a fixed support, a water storage box and a drain pipe, the rotating impeller demister is fixedly mounted in the exhaust pipe through the fixed support, the water storage box is arranged below the rotating impeller demister, the drain pipe is arranged at the bottom of the water storage box, and the activated carbon fiber board is of a honeycomb structure and is arranged at an air outlet of the exhaust pipe.

5. The multistage purification treatment system for industrial waste gas as claimed in claim 2, wherein the anode plate is provided with a slide rail at the bottom and a handle at one side.

6. The multistage purification treatment system for industrial waste gas as claimed in claim 2, wherein a handle is arranged on one side of the ash storage box.

7. The multistage purification treatment system for industrial waste gas according to claim 1, wherein a baffle is arranged at the inlet of the vent.

8. The multistage purification treatment system for industrial waste gas as claimed in claim 1, wherein the circular purification chamber is arranged obliquely and forms an included angle of 65-75 degrees with the horizontal plane.

9. The multistage purification treatment system for industrial waste gas according to claim 1, wherein the catalyst plate is made of titanium dioxide material.