CN114738775B

CN114738775B - Industrial waste gas pollutant purifying device

Info

Publication number: CN114738775B
Application number: CN202210401721.8A
Authority: CN
Inventors: 杨西; 钱荣忠; 任昱宁; 郭亮; 李韩艳
Original assignee: Nanjing Yire Vertical Environmental Protection Technology Liyang Co ltd; Nanjing Yire Zonglian Energy Saving Technology Co ltd
Current assignee: Nanjing Yire Vertical Environmental Protection Technology Liyang Co ltd; Nanjing Yire Zonglian Energy Saving Technology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2023-06-02
Anticipated expiration: 2042-04-18
Also published as: CN114738775A

Abstract

The invention discloses an industrial waste gas pollutant purifying device which comprises a shell, wherein one end of the shell is provided with a flue gas inlet, the upper end of a bulge at the other end of the shell is provided with a flue gas outlet, two flue gas channels are communicated with the flue gas inlet through two branch pipelines, a plurality of catalyst boxes are arranged in the flue gas channels, catalysts are contained in the catalyst boxes, the shell is provided with the catalyst box inlet, the catalyst box inlet extends into the flue gas channels, the side wall of the flue gas channel is provided with a catalyst replacement pushing mechanism, the catalyst replacement pushing mechanism pushes the catalyst boxes to be discharged from a catalyst box discharge outlet, and the catalyst box discharge outlet is arranged on the shell at the tail end of the flue gas channel. The catalyst box is replaced under the action of the catalyst replacement pushing mechanism, so that time is saved, manual labor is reduced, the possibility that workers touch waste gas is greatly reduced, safety is higher, the catalyst box can be suitable for being used as spraying equipment by installing an atomizing nozzle on the inner side of a connecting cylinder, function conversion is convenient, and functions are various.

Description

Industrial waste gas pollutant purifying device

Technical Field

The invention belongs to the technical field of industrial waste gas purification, and particularly relates to an industrial waste gas pollutant purification device.

Background

Volatile Organic Compounds (VOCs) are important precursors for forming secondary pollutants such as fine particulate matters (PM 2.5) and ozone (O3), and further cause the atmospheric environmental problems such as dust haze and photochemical smog. With the rapid development of industrialization and urban industry in China and the continuous growth of energy consumption, regional composite air pollution characterized by PM2.5 and O3 is increasingly prominent, the occurrence frequency of air heavy pollution phenomena in the region is increased in a large range at the same time, the sustainable development of social economy is severely restricted, and the physical health of people is threatened.

The catalytic combustion method is a common organic waste gas purification method, and is used for treating organic waste gas by heating and activating a catalyst, so that the waste gas passes through a catalyst bed in the use process of the conventional device, the treatment effect of the catalyst bed is not ideal, and after the catalyst of the catalyst bed is saturated by adsorption, the catalyst is more troublesome to replace, and the device has single function.

Disclosure of Invention

The invention aims to provide an industrial waste gas pollutant purifying device which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an industrial waste gas pollutant purifier, includes the shell, the one end of shell sets up the flue gas import, the protruding upper end of the other end of shell is seted up the flue gas export, the inside of shell sets up two flue gas passageway, and two flue gas passageway pass through two lateral conduit intercommunication flue gas imports, set up a plurality of catalyst boxes in the flue gas passageway, hold the catalyst in the catalyst box, set up the catalyst box import on the shell, the catalyst box import extends to in the flue gas passageway, the lateral wall of flue gas passageway sets up catalyst and changes pushing mechanism, catalyst is changed pushing mechanism and is promoted the catalyst box and discharge from the catalyst box discharge port, the catalyst box discharge port sets up on the terminal shell of flue gas passageway.

Preferably, the catalyst replacement pushing mechanism comprises a push-pull cylinder and a push plate, the push plate is arranged at the output end of the push-pull cylinder, one end of the push plate is positioned at the inner side of the flue gas channel, and the side wall of the flue gas channel is provided with a push plate movable long groove.

Preferably, a plurality of vent holes are arranged on two sides of the catalyst box, and a catalyst adding port is arranged on the top of the catalyst box.

Preferably, a movable cover plate is arranged on the inner side of the catalyst box inlet and positioned on the upper end face of the flue gas channel, and the movable cover plate is connected with an electric telescopic rod.

Preferably, an adsorbent box is arranged in a bulge at the other end of the shell, a condenser pipe is arranged in the adsorbent box, and an inlet and an outlet of the condenser pipe are arranged on the upper end face of the adsorbent box and are used for connecting an external condenser pipe.

Preferably, the side walls of the catalyst boxes are provided with hollow structures, the outer walls of the flue gas channels are provided with cooling mechanisms, and the cooling mechanisms are communicated with the hollow structures of the catalyst boxes.

Preferably, the cooling mechanism comprises an n-type frame, a telescopic cylinder, a T-shaped plate and a communication device, wherein the telescopic cylinder is arranged on the n-type frame, the output end of the telescopic cylinder penetrates through the n-type frame and is connected with one end of the T-shaped plate, the other two ends of the T-shaped plate are connected with the communication device, and the communication device is inserted into the hollow structure of the catalyst box; the metal connecting pipe penetrates through the T-shaped plate and is fixed through bolts, the metal connecting pipe is connected with the water inlet and outlet pipe through a hose, the water inlet and outlet pipe is connected with an external condensate pipe, and an electric valve is arranged on the water inlet and outlet pipe.

Preferably, the communication device comprises a connecting cylinder, a check ring, a valve plate and a push rod, wherein the check ring is fixedly arranged on the inner side of a port of the connecting cylinder, the push rod is fixedly arranged in the middle of the valve plate, the valve plate is movably arranged on the inner side of the check ring, a spring is arranged on the inner side of the valve plate, and two communication devices are also arranged on the side wall of the catalyst box.

Preferably, the inner side of the connecting cylinder is positioned at the outer side of the check ring and is in threaded connection with the atomizing spray head.

Preferably, the top of shell sets up catalyst box storage box, set up spring and push plate in the catalyst box storage box, the push plate sets up the one end at the spring.

The invention has the technical effects and advantages that: the catalyst box is replaced under the action of the catalyst replacement pushing mechanism, so that the time is saved, the manual labor is reduced, the possibility that workers touch waste gas is greatly reduced, the safety is higher, two flue gas channels are arranged, the two flue gas channels can be used alternately in the replacement process, shutdown is not needed, and the cooling is carried out before the replacement, so that the heat is recovered, and the subsequent treatment is convenient after the cooling; the catalyst is placed in the catalyst box, so that the waste gas passes through the catalyst box, the contact effect is better, and the treatment effect is better; through the inboard installation atomizer at the connecting cylinder, can be suitable as a spraying equipment, the function conversion is convenient, and the function is various.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

FIG. 3 is a schematic view of the flue gas channel structure of the present invention;

FIG. 4 is a schematic view of the back structure of the flue gas channel according to the present invention;

FIG. 5 is an enlarged schematic view of the structure of the present invention at A;

FIG. 6 is a schematic view of a communication device according to the present invention;

FIG. 7 is a schematic view of the structure of the installation adsorbent case of the present invention;

fig. 8 is a schematic view of the structure of the catalyst case storage box of the present invention.

In the figure: 1. a housing; 2. a flue gas inlet; 3. a branch pipe; 4. a flue gas channel; 41. a push plate movable long groove; 5. a catalyst cartridge; 6. a catalyst cartridge inlet; 7. a gas detector; 8. a flue gas outlet; 9. a catalyst cartridge outlet; 10. a catalyst replacement pushing mechanism; 101. a push-pull cylinder; 102. a push plate; 103. sealing the cover plate; 104. a clamp; 11. an electric telescopic rod; 12. a cooling mechanism; 121. an n-type shelf; 122. a telescopic cylinder; 123. t-shaped plates; 124. a communication device; 1241. a connecting cylinder; 1242. a retainer ring; 1243. a valve plate; 1244. a push rod; 125. a metal connecting pipe; 13. a water inlet pipe and a water outlet pipe; 14. an adsorbent tank; 15. a catalyst cartridge storage case; 16. a removable cover; 17. an electric valve.

Detailed Description

The following describes the embodiments of the present invention further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present invention, but is not intended to limit the present invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

Example 1

The invention provides an industrial waste gas pollutant purifying device as shown in figures 1-4, which comprises a shell 1, wherein one end of the shell 1 is provided with a flue gas inlet 2, the upper end of a bulge at the other end of the shell 1 is provided with a flue gas outlet 8, two flue gas channels 4 are arranged in the shell 1, the two flue gas channels 4 can be used alternately when a catalyst is replaced, shutdown caused by replacement of the catalyst is avoided, the ports of the two flue gas channels 4 can be provided with valves for realizing alternate use, the two flue gas channels 4 are communicated with the flue gas inlet 2 through two branch pipelines 3, an electric heater is arranged at the position of the flue gas inlet 2 for heating the entering flue gas, a plurality of catalyst boxes 5 are arranged in the flue gas channels 4, the catalyst boxes 5 are filled with the catalyst, the shell 1 is provided with a catalyst box inlet 6, the catalyst box inlet 6 extends into the flue gas channels 4, the side wall of the flue gas channels 4 is provided with a catalyst replacement pushing mechanism 10, the catalyst boxes 5 are pushed to be discharged from a catalyst box outlet 9, and the catalyst box outlet 9 is arranged at the tail end of the catalyst box outlet 9 on the shell 1; the top of the catalyst box 5 is provided with a catalyst adding port, the catalyst adding port is filled with catalyst and covered with a cover, the catalyst box 5 is placed in from the catalyst box inlet 6, two sides of the catalyst box 5 are provided with a plurality of vent holes, waste gas sequentially passes through each catalyst box 5 from the vent holes, after filtration and adsorption, the catalyst box 5 is discharged from the catalyst box outlet 9, the catalyst box 5 is used for containing the catalyst, firstly, the replacement of the catalyst is convenient, and secondly, the secondary release of harmful gas attached to the catalyst is greatly reduced in the replacement process (the existing catalyst is bulk, and the adsorbed waste gas is easy to emit in the post-treatment).

As shown in fig. 3, the catalyst replacement pushing mechanism 10 includes a push-pull cylinder 101 and a push plate 102, the push plate 102 is disposed at an output end of the push-pull cylinder 101, one end of the push plate 102 is located at an inner side of the flue gas channel 4, and a push plate movable long groove 41 is formed on a side wall of the flue gas channel 4; the push-pull cylinder 101 is contracted, the catalyst box 5 is pushed by the push plate 102, the catalyst box 5 at the tail end is discharged from the catalyst box discharge port 9, after the push-pull cylinder 101 is reset, an unused catalyst box 5 is put into the catalyst box from the catalyst box inlet 6, and the replacement of all the catalyst boxes 5 is sequentially completed according to the method; the sealing cover plate 103 is arranged on the push plate 102 and positioned on the outer side of the push plate movable long groove 41, after the push-pull cylinder 101 is reset, the sealing cover plate 103 can cover the push plate movable long groove 41, gas and heat dissipation are reduced, the clamp 104 is arranged at the tail end of the push plate movable long groove 41, and the tail end of the sealing cover plate 103 can be tightly pressed through the clamp, so that the sealing cover plate 103 is more tight.

As shown in fig. 3, a movable cover plate 16 is disposed on the inner side of the catalyst box inlet 6 and located on the upper end surface of the flue gas channel 4, the movable cover plate 16 is connected with the electric telescopic rod 11, the movable cover plate 16 is opened when the catalyst box 5 is added, and the movable cover plate 16 is closed after the catalyst box 5 is added.

As shown in fig. 7, the absorbent box 14 is disposed in the protrusion at the other end of the housing 1, the condenser tube is disposed inside the absorbent box 14, the inlet and outlet of the condenser tube is disposed on the upper end surface of the absorbent box 14 and is used for connecting an external condenser tube, the housing 1 at one side of the flue gas outlet 8 is provided with the gas detector 7, which can be used for detecting VOCs, when the gas detector 7 detects recoverable components such as dichloromethane and the like in waste gas, the absorbent box 14 can be additionally installed, the absorbent box 14 is filled with the absorbent, so that the dichloromethane can be recovered, and the inlet and outlet of the condenser tube can be filled with condensed water to cool the absorbent box 14, thereby facilitating condensation.

As shown in fig. 4, the side walls of the catalyst box 5 are provided with hollow structures, so that cooling water can pass through the side walls of the catalyst box 5, thereby cooling the catalyst box 5 and recovering heat, and the outer wall of the flue gas channel 4 is provided with a cooling mechanism 12, and the cooling mechanism 12 is communicated with the hollow structures of the catalyst box 5 because the temperature of the catalyst and the catalyst box 5 after high-temperature catalytic treatment is higher; as shown in fig. 5, the cooling mechanism 12 includes an n-type frame 121, a telescopic cylinder 122, a T-type plate 123 and a communication device 124, the telescopic cylinder 122 is mounted on the n-type frame 121, an output end of the telescopic cylinder 122 passes through the n-type frame 121 and is connected with one end of the T-type plate 123, the other two ends of the T-type plate 123 are connected with the communication device 124, and the communication device 124 is inserted into the hollow structure of the catalyst box 5; a metal connecting pipe 125 is arranged in the middle of the end surface of the communication device 124, the metal connecting pipe 125 passes through a T-shaped plate 123 and is fixed by bolts, the metal connecting pipe 125 is connected with a water inlet and outlet pipe 13 by a hose, the water inlet and outlet pipe 13 is connected with an external condensate pipe, and an electric valve 17 is arranged on the water inlet and outlet pipe 13; the telescopic cylinder 122 drives the T-shaped plate 123 to move, so that the communication devices 124 penetrate through the outer wall of the flue gas channel 4 and enter the hollow structure of the side wall of the catalyst box 5, each group of two communication devices 124 are respectively used for water inflow and water outflow, heat is taken away in the water inflow process to cool and heat is recovered, and if the temperature of the catalyst box 5 subjected to catalytic treatment and the catalyst in the catalyst box is not cooled, the temperature of the catalyst box is 300-400 ℃, and the subsequent treatment of the catalyst such as catalyst pouring, filling and the like is very unfavorable; when cooling and heat recovery are carried out, the electric valve 17 is closed, and cooling water can only pass through the catalyst boxes 5 corresponding to the last two groups of cooling mechanisms 12 to cool the catalyst boxes 5 and the catalysts in the catalyst boxes.

As shown in fig. 6, the communication device 124 includes a connecting cylinder 1241, a retainer ring 1242, a valve plate 1243 and a push rod 1244, the retainer ring 1242 is fixedly disposed at the inner side of a port of the connecting cylinder 1241, the push rod 1244 is fixedly disposed in the middle of the valve plate 1243, the valve plate 1243 is movably disposed at the inner side of the retainer ring 1242, and a spring is disposed at the inner side of the valve plate 1243, the spring pushes the valve plate 1243, so that the connecting cylinder 1241 cannot carry out water delivery, water leakage is reduced, the push rod 1244 is extruded, and drives the valve plate 1243 to retract, so that water delivery can be carried out; the side wall of the catalyst box 5 is also provided with two communication devices 124, when the communication devices 124 are inserted into the hollow structure of the side wall of the catalyst box 5, the ejector rods 1244 of the communication devices 124 on the T-shaped plates 123 are in contact with and squeeze the ejector rods 1244 of the communication devices 124 in the side wall of the catalyst box 5, after the valve plates 1243 of the communication devices 124 on the two sides are retracted, water can be conveyed, the use is convenient, when the catalyst box 5 is replaced, the telescopic cylinder 122 is retracted, the ejector rods 1244 on the two sides are separated, the springs push the valve plates 1243, the ports of the connecting cylinders 1241 are closed, and water in the side wall of the catalyst box 5 cannot leak out in the replacement process of the catalyst box 5.

As shown in fig. 8, a catalyst box storage box 15 is arranged at the top of the shell 1, a spring and a pushing plate are arranged in the catalyst box storage box 15, and the pushing plate is arranged at one end of the spring; in the replacement process, after the catalyst replacement pushing mechanism 10 pushes away one catalyst box 5 and resets, the catalyst box 5 in the catalyst box storage box 15 can fall into the empty space of the flue gas channel 4, and the pushing action of the spring in the catalyst box storage box 15 can enable the catalyst box 5 in the catalyst box storage box 15 to automatically feed forward, so that automatic replacement is completed.

Example two

An industrial waste gas pollutant purifying device is based on the first embodiment, the catalyst box 5 of the first embodiment is removed, an atomization nozzle is arranged on the inner side of a connecting cylinder 1241, an inner thread is arranged on the inner side of the connecting cylinder 1241 and positioned on the outer side of a check ring 1242, the connecting end of the atomization nozzle is cylindrical and provided with an outer thread, and the inner thread is connected with the outer thread in a threaded manner; in this embodiment, water is delivered to the connecting tube 1241 through the water inlet and outlet tube 13, and then sprayed through the atomization nozzle, so that the flue gas channel 4 is sprayed with waste gas, the device is used as a spraying device, the function conversion is convenient, and when the device is used as a spraying device, the electric valve 17 is opened to enable all the communication devices 124 to work.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims

1. An industrial waste gas pollutant purification device, includes shell, its characterized in that: the flue gas treatment device comprises a shell, a flue gas inlet, a flue gas outlet, a catalyst box outlet, a catalyst replacement pushing mechanism and a catalyst box exhaust port, wherein the flue gas inlet is formed in one end of the shell, the flue gas outlet is formed in the upper end of a bulge at the other end of the shell, two flue gas channels are formed in the shell and are communicated with the flue gas inlet through two branch pipelines, a plurality of catalyst boxes are arranged in the flue gas channels, a catalyst is contained in the catalyst boxes, the catalyst box inlet is formed in the shell and extends into the flue gas channels, the catalyst replacement pushing mechanism is arranged on the side wall of the flue gas channel, the catalyst box is pushed to be exhausted from the catalyst box exhaust port, and the catalyst box exhaust port is formed in the shell at the tail end of the flue gas channel; the catalyst replacement pushing mechanism comprises a push-pull cylinder and a push plate, the push plate is arranged at the output end of the push-pull cylinder, one end of the push plate is positioned at the inner side of the flue gas channel, and a push plate movable long groove is formed in the side wall of the flue gas channel; the push-pull cylinder contracts, the catalyst box is pushed by the push plate, the catalyst box at the tail end can be discharged from the outlet of the catalyst box, and after the push-pull cylinder resets, an unused catalyst box is placed into the inlet of the catalyst box.

2. An industrial waste gas pollutant purifying device according to claim 1, wherein: the catalyst box is characterized in that a plurality of vent holes are formed in two sides of the catalyst box, and a catalyst adding port is formed in the top of the catalyst box.

3. An industrial waste gas pollutant purifying device according to claim 1, wherein: the inside of catalyst box import just is located the up end of flue gas passageway and sets up the removable cover, the electronic telescopic link of removable cover connection.

4. An industrial waste gas pollutant purifying device according to claim 1, wherein: an adsorbent box is arranged in a bulge at the other end of the shell, a condensing pipe is arranged in the adsorbent box, and an inlet and an outlet of the condensing pipe are arranged on the upper end face of the adsorbent box and are used for being connected with an external condensing water pipe.

5. An industrial waste gas pollutant purifying device according to claim 1, wherein: the side walls of the catalyst boxes are provided with hollow structures, the outer walls of the flue gas channels are provided with cooling mechanisms, and the cooling mechanisms are communicated with the hollow structures of the catalyst boxes.

6. An industrial waste gas pollutant purifying device according to claim 5, wherein: the cooling mechanism comprises an n-type frame, a telescopic cylinder, a T-shaped plate and a communication device, wherein the telescopic cylinder is arranged on the n-type frame, the output end of the telescopic cylinder penetrates through the n-type frame and is connected with one end of the T-shaped plate, the other two ends of the T-shaped plate are connected with the communication device, and the communication device is inserted into a hollow structure of the catalyst box; the metal connecting pipe penetrates through the T-shaped plate and is fixed through bolts, the metal connecting pipe is connected with the water inlet and outlet pipe through a hose, the water inlet and outlet pipe is connected with an external condensate pipe, and an electric valve is arranged on the water inlet and outlet pipe.

7. An industrial waste gas pollutant purifying device according to claim 6, wherein: the communication device comprises a connecting cylinder, a check ring, a valve plate and a push rod, wherein the check ring is fixedly arranged on the inner side of a port of the connecting cylinder, the push rod is fixedly arranged in the middle of the valve plate, the valve plate is movably arranged on the inner side of the check ring, a spring is arranged on the inner side of the valve plate, and two communication devices are also arranged on the side wall of the catalyst box.

8. An industrial waste gas pollutant purifying device according to claim 7, wherein: the inner side of the connecting cylinder is positioned at the outer side of the check ring and is in threaded connection with the atomizing nozzle.

9. An industrial waste gas pollutant purifying device according to claim 1, wherein: the top of shell sets up catalyst box storage box, set up spring and push plate in the catalyst box storage box, the push plate sets up the one end at the spring.