CN216170764U

CN216170764U - Novel energy-saving catalytic combustion waste gas treatment equipment

Info

Publication number: CN216170764U
Application number: CN202122465594.1U
Authority: CN
Inventors: 魏金旭
Original assignee: Langfang Zeneng Environmental Protection Engineering Co ltd
Current assignee: Langfang Zeneng Environmental Protection Engineering Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-05
Anticipated expiration: 2031-10-13

Abstract

The utility model belongs to the technical field of catalytic combustion, and particularly relates to novel energy-saving catalytic combustion waste gas treatment equipment which comprises a fan, a filter box, a cooling box and an absorption box, wherein a filter screen is arranged in the filter box, the bottom end of the windward side of the filter screen is provided with a sundry collecting box, an air guide pipeline is arranged in the cooling box, and absorption liquid is injected into the absorption box; the air inlet end of the air guide pipeline is communicated with the filter box, and the air outlet end of the air guide pipeline is communicated with the air inlet of the fan; the waste gas treatment equipment is used for being connected with a catalytic combustion furnace to treat waste gas discharged from the catalytic combustion furnace, has the functions of filtering, cooling and organic matter absorption, can further remove solid impurities and organic matters in the waste gas, reduces the temperature of the waste gas and discharges the waste gas, ensures the discharge after reaching the standard, greatly improves the treatment efficiency, and is convenient to use, low in cost and easy to maintain; the cooling water also has the function of waste heat recovery, improves the energy utilization rate, is energy-saving and environment-friendly, and meets the green production standard.

Description

Novel energy-saving catalytic combustion waste gas treatment equipment

Technical Field

The utility model belongs to the technical field of catalytic combustion, and particularly relates to novel energy-saving catalytic combustion waste gas treatment equipment.

Background

The catalytic combustion is a purification method for oxidizing and decomposing combustible substances in the exhaust gas at a lower temperature by using a catalyst, so the catalytic combustion is also called catalytic chemical conversion, because the catalyst accelerates the process of oxidative decomposition, most of hydrocarbons can be completely oxidized by the catalyst at the temperature of 300-450 ℃,

compared with the thermal combustion method, the catalytic combustion requires less auxiliary fuel, the energy consumption is low, and the volume of equipment and facilities is small, but the popularization and the application of the method in the industrial production process are influenced due to the problems of poisoning of the used catalyst, replacement of a catalytic bed layer, high cleaning cost and the like.

When the traditional catalytic combustion waste gas treatment equipment is used, waste gas passes through the catalytic combustion furnace and then is directly discharged into the atmosphere, the traditional catalytic combustion generally refers to the treatment of organic waste gas, and after the combustion treatment, insoluble impurities and organic substances can still exist in the waste gas.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides novel energy-saving catalytic combustion waste gas treatment equipment which has the characteristics of convenience in use, low cost and high treatment efficiency.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel energy-saving catalytic combustion waste gas treatment device comprises a fan, a filter box, a cooling box and an absorption box, wherein a filter screen is installed in the filter box, a sundries collecting box is installed at the bottom end of the windward side of the filter screen, an air guide pipeline is installed in the cooling box, absorption liquid is injected into the absorption box, and an exhaust pipe is communicated with the top end of the absorption box; the air inlet end of the air guide pipeline is communicated with the filter box, the air outlet end of the air guide pipeline is communicated with the air inlet of the fan, and the air outlet of the fan is provided with a pipeline and extends to the position below the liquid level of the absorption liquid; the top end of the outer side surface of the cooling box is communicated with a water filling port, the bottom surface of the cooling box is communicated with a water outlet, and a first sealing spiral cover is installed on the water outlet in a threaded screwing mode.

As a preferable technical scheme of the utility model, the air guide pipeline is a U-shaped pipe.

As a preferred technical scheme of the utility model, one upward surface of the filter box is provided with an opening, insertion frames which are distributed along the longitudinal direction are fixed on the inner wall of the filter box, and the filter screen is installed in the insertion frames in a drawing mode; and a guide plate is arranged on the inner wall of the filter box close to the air inlet end.

As a preferred technical scheme of the utility model, the top end of the filter box is hinged with a top cover, and a sealing component is connected between the free end of the top cover and the filter box; the sealing assembly comprises a stabilizing plate, a locking block, a limiting pin and a return spring, the stabilizing plate is fixed on the end surface of the free end of the top cover, and a through hole for the locking block to penetrate through is formed in the stabilizing plate; the locking device comprises a locking block, a limiting pin, a limiting disc and a reset spring, wherein the locking block is an inverted L-shaped component, the top surface of the locking block is an inclined surface, the limiting pin is vertically fixed on the filter box and penetrates through the locking block, the end part of the limiting pin is fixedly provided with the limiting disc, and the reset spring is sleeved on the limiting pin and is positioned between the outer surface of the filter box and the locking block; guide blocks which are symmetrically distributed are fixed on two sides of the locking block, and guide pins which penetrate through the guide blocks are further fixed on the outer side surface of the filter box.

In a preferred embodiment of the present invention, the absorption liquid is water.

As a preferred technical scheme of the utility model, the top end of the outer side surface of the absorption box is communicated with a liquid feeding port, and a second sealing spiral cover is arranged on the liquid feeding port in a threaded screwing mode; a stirring component is arranged in the absorption box; the stirring assembly comprises a stirring motor, a rotary table, a stirring rod and stirring blades, the rotary table is installed on the inner bottom surface of the absorption box, the stirring rod is fixed on the top surface of the rotary table, the stirring blades are fixed on the stirring rod, and the stirring motor is installed on the bottom surface of the absorption box and drives the rotary table to rotate.

Compared with the prior art, the utility model has the beneficial effects that: the waste gas treatment equipment is used for being connected with a catalytic combustion furnace to treat waste gas discharged from the catalytic combustion furnace, has the functions of filtering, cooling and organic matter absorption, can further remove solid impurities and organic matters in the waste gas, reduces the temperature of the waste gas and discharges the waste gas, ensures the discharge after reaching the standard, greatly improves the treatment efficiency, and is convenient to use, low in cost and easy to maintain; the cooling water also has the function of waste heat recovery, improves the energy utilization rate, is energy-saving and environment-friendly, and meets the green production standard.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the seal assembly of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the internal structure of the filtration tank of the present invention;

FIG. 4 is a schematic view of the internal structure of the cooling box according to the present invention;

FIG. 5 is a schematic view showing the internal structure of the absorption tank in the present invention;

in the figure: 1. a filter box; 2. a cooling tank; 3. a fan; 4. an absorption tank; 5. an exhaust pipe; 6. a top cover; 7. a seal assembly; 8. a water filling port; 9. a water outlet; 10. sealing and screwing a cover; 11. a liquid filling port; 12. sealing and screwing a cover; 13. a stirring assembly; 14. a stabilizing plate; 15. perforating; 16. a locking block; 17. a spacing pin; 18. a limiting disc; 19. a return spring; 20. a guide block; 21. a guide pin; 22. a filter screen; 23. inserting a frame; 24. collecting the sundries box; 25. a guide plate; 26. an air guide duct; 27. an absorption liquid; 28. a stirring motor; 29. a turntable; 30. a stirring rod; 31. a stirring blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a novel energy-saving catalytic combustion waste gas treatment device comprises a fan 3, a filter box 1, a cooling box 2 and an absorption box 4, wherein a filter screen 22 is installed in the filter box 1, a sundries collecting box 24 is installed at the bottom end of the windward side of the filter screen 22, an air guide pipeline 26 is installed in the cooling box 2, absorption liquid 27 is injected into the absorption box 4, and an exhaust pipe 5 is communicated with the top end of the absorption box 4; the air inlet end of the air guide pipeline 26 is communicated with the filter box 1, the air outlet end of the air guide pipeline is communicated with the air inlet of the fan 3, and the air outlet of the fan 3 is provided with a pipeline and extends to the position below the liquid level of the absorption liquid 27; the top end of the outer side surface of the cooling box 2 is communicated with a water feeding port 8, the bottom surface of the cooling box 2 is communicated with a water discharging port 9, a first sealing spiral cover 10 is arranged on the water discharging port 9 in a threaded screwing mode, when the device is used, the device is connected to the rear of a catalytic combustion furnace, the air inlet end of the filtering box 1 is communicated with the air discharging end of the catalytic combustion furnace, a fan 3 is started, waste gas discharged from the catalytic combustion furnace enters the filtering box 1 and is filtered by a filter screen 22, the waste gas normally passes through the filter screen 22, solid impurities are intercepted by the filter screen 22 and fall into an impurity collecting box 24, a proper amount of cooling water is added into the cooling box 2 through the water feeding port 8, the cooling water submerges the air guide pipeline 26, the waste gas can enter the air guide pipeline 26 after leaving from the filtering box 1 and is exchanged with cooling aquatic products through the air guide pipeline 26 to cool the waste gas, therefore, the air guide pipeline 26 selects an austenitic stainless steel pipe, good and the corrosion resistance of heat exchange capacity, waste gas is after cooling down in cooling box 2, passes fan 3 and gets into in the absorption box 4, uses absorption liquid 27 to absorb the organic substance in the waste gas, discharges from blast pipe 5 up to standard at last.

Specifically, according to fig. 1 and 4, in the present embodiment, the air guide duct 26 is a "U" shaped duct, which increases the length of the flow path of the exhaust gas in the air guide duct 26 and improves the heat exchange efficiency.

Specifically, according to fig. 1 and fig. 3, in the embodiment, an upward surface of the filter box 1 is open, insertion frames 23 distributed along the longitudinal direction are fixed on the inner wall of the filter box 1, and the filter screen 22 is installed in the insertion frame 23 in a pulling manner; the guide plate 25 is installed at the position, close to the air inlet end, of the inner wall of the filter box 1, and the filter screen 22 is convenient to install and use and easy to disassemble and clean subsequently.

Specifically, according to fig. 1 and fig. 2, in the present embodiment, a top cover 6 is hinged to the top end of the filter box 1, and a sealing assembly 7 is connected between the free end of the top cover 6 and the filter box 1; the sealing assembly 7 comprises a stabilizing plate 14, a locking block 16, a limiting pin 17 and a return spring 19, wherein the stabilizing plate 14 is fixed on the end surface of the free end of the top cover 6, and a through hole 15 for the locking block 16 to penetrate through is formed in the stabilizing plate 14; the locking device comprises an inverted L-shaped component of a locking block 16, wherein the top surface of the locking block 16 is an inclined surface, a limiting pin 17 is vertically fixed on the filter box 1 and penetrates through the locking block 16, a limiting disc 18 is fixed at the end part of the limiting pin 17, and a return spring 19 is sleeved on the limiting pin 17 and is positioned between the outer surface of the filter box 1 and the locking block 16; the two sides of the locking block 16 are fixed with symmetrically distributed guide blocks 20, the outer side surface of the filter box 1 is also fixed with guide pins 21 penetrating through the guide blocks 20, after the top cover 6 is covered, because the top surface of the locking block 16 is an inclined surface, the inclined surface of the locking block 16 moves backwards and compresses a return spring 19 after being stressed until the horizontal part of the locking block 16 crosses a stabilizing plate 14, at the moment, the horizontal part of the locking block 16 penetrates through a through hole 15, meanwhile, under the action of the elastic force of the return spring 19, the locking block 16 moves forwards and returns, the horizontal part of the locking block 16 and the stabilizing plate 14 form clamping fit, the stability of closing the top cover 6 is ensured, air leakage is avoided, in addition, a layer of rubber sealing layer is fixedly bonded on the bottom surface of the top cover 6, and after the top cover 6 is closed, the top cover 6 and the top end of the filter box 1 are matched to enable the rubber sealing layer to be in a compressed state, and the sealing performance is improved; when the top cover 6 needs to be opened, the locking block 16 is pushed backwards, and the top cover 6 can be opened when the horizontal part of the locking block 16 is completely positioned at the inner side of the through hole 15, so that the opening is very convenient.

Specifically, as shown in fig. 1 and 4, in the present embodiment, the absorption liquid 27 is water, which is low in cost, easy to use, and capable of absorbing organic substances in the exhaust gas.

Specifically, according to fig. 1 and 4, in the embodiment, a liquid filling port 11 is communicated with the top end of the outer side surface of the absorption box 4, and a second sealing screw cap 12 is installed on the liquid filling port 11 in a threaded screwing manner; a stirring component 13 is arranged in the absorption box 4; stirring subassembly 13 includes agitator motor 28, carousel 29, puddler 30 and stirring vane 31, carousel 29 is installed in the interior bottom surface of adsorption tank 4, puddler 30 is fixed at the top surface of carousel 29, stirring vane 31 is fixed on puddler 30, agitator motor 28 is installed in the bottom surface of adsorption tank 4 and is driven the carousel 29 rotatory, if still contain other harmful substance in the waste gas, such as heavy metal, can open No. two sealed spiral covers 12 this moment, inject proper amount pertinent medicament into adsorption tank 4 from filling opening 11, start agitator motor 28 simultaneously, it is rotatory to utilize agitator motor 28 drive puddler 30 and stirring vane 31, make water and medicament flash mixed abundant, in order to get rid of the heavy metal material in the waste gas.

The working principle and the using process of the utility model are as follows: when the waste gas treatment equipment is used, the equipment is connected to the rear of a catalytic combustion furnace, the air inlet end of a filter box 1 is communicated with the air outlet end of the catalytic combustion furnace, a fan 3 is started, waste gas discharged from the catalytic combustion furnace enters the filter box 1 and is filtered by a filter screen 22, the waste gas normally passes through the filter screen 22, solid impurities are intercepted by the filter screen 22 and fall into a impurity collecting box 24, a proper amount of cooling water is added into a cooling box 2 through a water inlet 8, the cooling water submerges an air guide pipeline 26, the waste gas leaves from the filter box 1 and then enters the air guide pipeline 26, heat exchange is carried out between the waste gas and cooling water through the air guide pipeline 26, the waste gas passes through the fan 3 after being cooled in the cooling box 2 and enters an absorption box 4, organic substances in the waste gas are absorbed by an absorption liquid 27, and finally the waste gas is discharged from an exhaust pipe 5 after reaching the standard;

if the waste gas also contains other harmful substances, such as heavy metals, at this time, the second sealing rotary cover 12 can be opened, a proper amount of targeted medicament is injected into the absorption box 4 from the liquid filling opening 11, the stirring motor 28 is started, and the stirring rod 30 and the stirring blade 31 are driven to rotate by the stirring motor 28, so that the water and the medicament are quickly and fully mixed, and the heavy metal substances in the waste gas are removed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel energy-conserving catalytic combustion exhaust-gas treatment equipment, includes fan (3), its characterized in that: the device is characterized by also comprising a filter box (1), a cooling box (2) and an absorption box (4), wherein a filter screen (22) is arranged in the filter box (1), a sundries collecting box (24) is arranged at the bottom end of the windward side of the filter screen (22), an air guide pipeline (26) is arranged in the cooling box (2), absorption liquid (27) is injected into the absorption box (4), and an exhaust pipe (5) is communicated with the top end of the absorption box (4); the air inlet end of the air guide pipeline (26) is communicated with the filter box (1), the air outlet end of the air guide pipeline is communicated with the air inlet of the fan (3), and the air outlet of the fan (3) is provided with a pipeline and extends to the position below the liquid level of the absorption liquid (27); the top end of the outer side surface of the cooling box (2) is communicated with a water filling port (8), the bottom surface of the cooling box (2) is communicated with a water outlet (9), and a first sealing spiral cover (10) is installed on the water outlet (9) in a threaded screwing mode.

2. The novel energy-saving catalytic combustion exhaust gas treatment device according to claim 1, wherein: the gas guide pipeline (26) is a U-shaped pipe.

3. The novel energy-saving catalytic combustion exhaust gas treatment device according to claim 1, wherein: the upward surface of the filter box (1) is provided with an opening, the inner wall of the filter box (1) is fixedly provided with an inserting frame (23) which is distributed along the longitudinal direction, and the filter screen (22) is installed in the inserting frame (23) in a drawing mode; and a guide plate (25) is arranged on the inner wall of the filter box (1) close to the air inlet end.

4. The novel energy-saving catalytic combustion exhaust gas treatment device according to claim 1, wherein: a top cover (6) is hinged to the top end of the filter box (1), and a sealing assembly (7) is connected between the free end of the top cover (6) and the filter box (1); the sealing assembly (7) comprises a stabilizing plate (14), a locking block (16), a limiting pin (17) and a return spring (19), the stabilizing plate (14) is fixed on the end surface of the free end of the top cover (6), and a through hole (15) for the locking block (16) to penetrate through is formed in the stabilizing plate (14); the locking device comprises an inverted L-shaped component of the locking block (16), the top surface of the locking block (16) is an inclined surface, a limiting pin (17) is vertically fixed on the filter box (1) and penetrates through the locking block (16), a limiting disc (18) is fixed at the end part of the limiting pin (17), and a return spring (19) is sleeved on the limiting pin (17) and is positioned between the outer surface of the filter box (1) and the locking block (16); guide blocks (20) which are symmetrically distributed are fixed on two sides of the locking block (16), and guide pins (21) which penetrate through the guide blocks (20) are further fixed on the outer side surface of the filter box (1).

5. The novel energy-saving catalytic combustion exhaust gas treatment device according to claim 1, wherein: the absorption liquid (27) is water.

6. The novel energy-saving catalytic combustion exhaust gas treatment device according to claim 1, wherein: the top end of the outer side surface of the absorption box (4) is communicated with a liquid feeding port (11), and a second sealing spiral cover (12) is arranged on the liquid feeding port (11) in a threaded screwing mode; a stirring component (13) is arranged in the absorption box (4); stirring subassembly (13) include agitator motor (28), carousel (29), puddler (30) and stirring vane (31), carousel (29) install in the interior bottom surface of adsorption tank (4), puddler (30) are fixed the top surface of carousel (29), stirring vane (31) are fixed on puddler (30), agitator motor (28) are installed the bottom surface and the drive of adsorption tank (4) carousel (29) are rotatory.