CN216878738U

CN216878738U - Catalytic furnace for waste gas treatment

Info

Publication number: CN216878738U
Application number: CN202220192718.5U
Authority: CN
Inventors: 朱海燕; 陆炜麟; 吴立伟
Original assignee: Guangdong Huahai Ecological Environment Technology Co ltd
Current assignee: Guangdong Huahai Ecological Environment Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-05
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a catalytic furnace for waste gas treatment, and relates to the technical field of waste gas treatment. The utility model provides a waste gas treatment catalytic furnace, is including firing burning furnace and dust removal case, fire first processing case, second processing case and fan of having set gradually between burning furnace and the dust removal case, fire and be connected through the breather pipe between the case with first processing, be connected with the connecting pipe between first processing case and the second processing case, install a purification section of thick bamboo on the fan air intake, it is connected through the pipeline between the case with the second processing to purify a section of thick bamboo, fan department of giving vent to anger is connected with the gas-supply pipe, gas-supply pipe one end is installed on the dust removal case, dust removal bottom of the case portion is equipped with a plurality of play hoppers. According to the utility model, the waste gas is primarily treated by the first treatment box and the second treatment box, harmful substances in the waste gas are effectively treated, the arranged purification cylinder can effectively adsorb the waste gas, and the filter bag, the ash removal structure and the catalysis structure are mutually matched, so that the purification efficiency can be improved, and the waste gas can be effectively purified.

Description

Catalytic furnace for waste gas treatment

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to a waste gas treatment catalytic furnace.

Background

The waste gas treatment usually adopts methods such as absorption, burning, etc., various hydrocarbon-containing compounds such as hydrocarbon, alcohol, ketone, aldehyde, ester, amine, etc. discharged from industries such as petrochemical industry, paint production, gravure printing, bonding, etc. are recycled or the technology of innocent treatment is carried out, the treatment mainly has two aspects, firstly, a pollution-free process is adopted, toxic raw materials are used less, and the discharge amount of toxic waste gas is controlled; secondly, the organic waste gas generated in various industrial processes is purified. The organic waste gas purification treatment method mainly includes an adsorption method, a condensation method, a catalytic combustion method, a direct combustion method, a condensation combustion method, an absorption method, and the like.

At present, the traditional waste gas treatment device has a general waste gas treatment effect and a low treatment rate, and therefore the utility model provides a novel solution.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a waste gas treatment catalytic furnace to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a waste gas treatment catalytic furnace, including firing burning furnace and dust removal case, fire burning furnace and dust removal case between having set gradually first processing case, second processing case and fan, fire burning furnace and be connected through the breather pipe between the case with first processing, be connected with the connecting pipe between first processing case and the second processing case, install a purification section of thick bamboo on the fan air intake, it is connected through the pipeline between the case to purify a section of thick bamboo and the second processing case, fan department of giving vent to anger is connected with the gas-supply pipe, gas-supply pipe one end is installed on the dust removal case, dust removal bottom of the case portion is equipped with a plurality of play hoppers, dust removal roof portion is equipped with the clean room, the clean room back is equipped with the outlet duct, dust removal incasement portion installs a plurality of filter bags, still install deashing structure and catalysis structure on the dust removal case.

As preferred technical scheme in this application, be equipped with the mounting panel between clean room and the dust removal case top, the filter bag is installed on the mounting panel, and the catalysis structure includes the holding vessel, is connected with the return bend on the holding vessel, installs a plurality of push pipes that are connected with the return bend on the mounting panel, and the equidistance is equipped with a plurality of shower nozzles on the push pipe, and the return bend both ends all are equipped with the delivery pump.

As the preferred technical scheme in this application, be equipped with first adsorption plate and second adsorption plate in the purification section of thick bamboo in proper order, first adsorption plate and second adsorption plate are the activated carbon plate.

As the preferred technical scheme in this application, go out the hopper and be provided with four, and all install the tripper on going out the hopper.

As preferred technical scheme in this application, dust removal bottom of the case portion installs the support frame that plays the supporting role.

Compared with the prior art, the utility model has the beneficial effects that:

this catalytic furnace is administered to waste gas, carry out preliminary processing to waste gas through the first processing case and the second processing case that set up, the effective treatment falls the harmful substance in the waste gas, the purification section of thick bamboo of setting can effectual absorption waste gas, and the filter bag that sets up, mutually supporting of deashing structure and catalysis structure, can improve purification efficiency, effectual purification waste gas, catalyst long service life, the air current is unobstructed, the resistance is little, can also decompose organic gas into carbon dioxide and water, utilize the catalyst to do the midbody, make organic gas become harmless water and carbon dioxide gas, high purification efficiency.

Drawings

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

FIG. 2 is a schematic view of a fan section of the present invention in a disassembled configuration;

FIG. 3 is a schematic view of a disassembled structure of the dust box of the present invention;

fig. 4 is a schematic perspective view of a catalytic structure according to the present invention.

In the figure: 1. a combustion furnace; 101. a breather pipe; 2. a first treatment tank; 201. a connecting pipe; 3. a second treatment tank; 4. a fan; 401. a gas delivery pipe; 5. a purification cartridge; 501. a first adsorption plate; 502. a second adsorption plate; 6. a dust removal box; 601. a clean room; 602. an air outlet pipe; 603. a discharge hopper; 604. a support frame; 605. mounting a plate; 606. a dust removal structure; 607. a filter bag; 7. a catalytic structure; 701. a storage tank; 702. bending the pipe; 703. a delivery pump; 704. jacking pipes; 705. and (4) a spray head.

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.

It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in the figure1-4, the utility model provides a technical scheme: a catalytic furnace for treating waste gas comprises a combustion furnace 1 and a dust removal box 6, a first treatment box 2 is sequentially arranged between the combustion furnace 1 and the dust removal box 6, case 3 and fan 4 are handled to the second, it is connected through breather pipe 101 to fire between burning furnace 1 and the first case 2 of handling, be connected with connecting pipe 201 between first case 2 and the second case 3 of handling, install purification section of thick bamboo 5 on the fan 4 air intake, it is connected through the pipeline between 5 and the second case 3 to purify section of thick bamboo, fan 4 air outlet department is connected with gas-supply pipe 401, gas-supply pipe 401 one end is installed on dust removal case 6, dust removal case 6 bottom is equipped with a plurality of play hoppers 603, dust removal case 6 top is equipped with clean room 601, the clean room 601 back is equipped with outlet duct 602, dust removal case 6 internally mounted has a plurality of filter bags 607, still install deashing structure 606 and catalytic structure 7 on the dust removal case 6, it is provided with four to go out the hopper 603, and all install the tripper on the play hopper 603. It should be noted that saturated NaHCO can be put into the first processing box 2 and the second processing box 3 respectively₃Solution and alkali solution capable of effectively removing SO₂The organic gas is decomposed into carbon dioxide and water by the action of the catalyst, and the organic gas is changed into harmless water and carbon dioxide gas by using the catalyst as an intermediate, so that the purification efficiency is high.

As a specific embodiment, a mounting plate 605 is arranged between the top of the clean room 601 and the top of the dust removal box 6, the filter bag 607 is mounted on the mounting plate 605, the catalytic structure 7 comprises a storage tank 701, the storage tank 701 is connected with an elbow 702, the mounting plate 605 is provided with a plurality of top pipes 704 connected with the elbow 702, the top pipes 704 are equidistantly provided with a plurality of spray nozzles 705, and two ends of the elbow 702 are respectively provided with a delivery pump 703. Specifically, when catalyst spraying is required, the transfer pump 703 is first turned on, and the catalyst enters the elbow 702, then the top pipe 704, and finally exits through the spray head 705.

As a specific embodiment, a first adsorption plate 501 and a second adsorption plate 502 are sequentially arranged in the purification cartridge 5, and both the first adsorption plate 501 and the second adsorption plate 502 are activated carbon plates. The adsorption rate of the activated carbon adsorption is high, the operation energy consumption is low, the cost is low, and the method is safe and reliable. The activated carbon plate is coconut fiber carbon, which is a novel activated carbon prepared by taking coconut shells as raw materials, performing high-temperature activation and carbonization treatment, and loading a photocatalyst and carbon fibers. The adsorption capacity of the coconut fiber carbon to organic gas is 5 times to above of that of common active carbon, the adsorption rate is higher, and the coconut fiber carbon has developed specific surface area and rich micro-pore diameter. The specific surface area can reach 1000-1600m2/g, the micropore volume is about 90 percent, and the micropore diameter is 10A-40A. Has the advantages of large specific surface area, moderate aperture, uniform distribution, high adsorption speed, less impurities and the like.

As a specific embodiment, the bottom of the dust removal box 6 is provided with a support frame 604 for supporting, and the support frame 604 is made of aluminum alloy, so as to support well, thereby enabling the dust removal box 6 to work stably.

Specifically, the exhaust gas is firstly combusted by the combustion furnace 1, the mixed gas is heated to a certain temperature (700-800 ℃) by using heat emitted by combustion of auxiliary fuel such as gas or fuel oil, the mixed gas is kept for a certain time to enable combustible harmful substances to be decomposed at high temperature to become harmless substances, unburned exhaust gas such as CO in the exhaust gas is removed, then the exhaust gas enters the first treatment box 2 and the second treatment box 3, the exhaust gas is treated by the first treatment box 2 and the second treatment box 3, the treated exhaust gas enters the purification cylinder 5, the first adsorption plate 501 and the second adsorption plate 502 in the purification cylinder 5 adsorb smoke particles, then the exhaust gas enters the dust removal box 6, the dust removal box 6 is further provided with a burner for preheating the exhaust gas, the organic gas is decomposed into carbon dioxide and water by the action of a catalyst, and the catalyst is used as an intermediate, the organic gas is changed into harmless water and carbon dioxide gas, and the purification efficiency is high.

This device can effectively handle the harmful substance in the waste gas, and the purification section of thick bamboo 5 of setting can effectual absorption waste gas, and mutually supporting of filter bag 607, deashing structure 606 and catalysis structure 7 of setting can improve purification efficiency, effectual purification waste gas, catalyst long service life, and the air current is unobstructed, and the resistance is little.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a waste gas treatment catalytic furnace, includes fires burning furnace (1) and dust removal case (6), its characterized in that: the device is characterized in that a first treatment box (2), a second treatment box (3) and a fan (4) are sequentially arranged between a combustion furnace (1) and a dust removal box (6), the combustion furnace (1) is connected with the first treatment box (2) through a vent pipe (101), a connecting pipe (201) is connected between the first treatment box (2) and the second treatment box (3), a purification cylinder (5) is installed on an air inlet of the fan (4), the purification cylinder (5) is connected with the second treatment box (3) through a pipeline, a gas pipe (401) is connected at a gas outlet end of the fan (4), one end of the gas pipe (401) is installed on the dust removal box (6), a plurality of discharge hoppers (603) are arranged at the bottom of the dust removal box (6), a purification chamber (601) is arranged at the top of the dust removal box (6), a gas outlet pipe (602) is arranged at the back of the purification chamber (601), a plurality of filter bags (607) are installed inside the dust removal box (6), the dust removal box (6) is also provided with a dust removal structure (606) and a catalysis structure (7).

2. A flue gas treatment catalytic furnace as claimed in claim 1, wherein: be equipped with mounting panel (605) between clean room (601) and dust removal case (6) top, install on mounting panel (605) filter bag (607), catalysis structure (7) are connected with return bend (702) including holding vessel (701) on holding vessel (701), on mounting panel (605), install a plurality of push pipes (704) that are connected with return bend (702), equidistant a plurality of shower nozzles (705) that are equipped with on push pipe (704), return bend (702) both ends all are equipped with delivery pump (703).

3. A flue gas treatment catalytic furnace as claimed in claim 1, wherein: a first adsorption plate (501) and a second adsorption plate (502) are sequentially arranged in the purification cylinder (5), and the first adsorption plate (501) and the second adsorption plate (502) are both activated carbon plates.

4. A flue gas treatment catalytic furnace as claimed in claim 1, wherein: the discharging hoppers (603) are four, and discharging devices are mounted on the discharging hoppers (603).

5. A flue gas treatment catalytic furnace as claimed in claim 1, wherein: and a supporting frame (604) for supporting is arranged at the bottom of the dust removing box (6).