CN219128742U

CN219128742U - Catalytic combustion exhaust treatment equipment

Info

Publication number: CN219128742U
Application number: CN202223406277.3U
Authority: CN
Inventors: 丘佳锐; 邱有永; 曾秋森; 陈瑞丰; 陈林林
Original assignee: Fujian Longlan Environmental Protection Technology Co ltd
Current assignee: Fujian Longlan Environmental Protection Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-06
Anticipated expiration: 2032-12-20

Abstract

A catalytic combustion waste gas treatment device relates to the field of waste gas treatment devices. The device comprises a bipolar cyclone spray tower, a dry type filtering tower, an exhaust pipe, a standard-reaching exhaust pipe, a CO catalyst and an adsorption bed, wherein the bipolar cyclone spray tower is connected with the dry type filtering tower, the other end of the dry type filtering tower is connected to the adsorption bed, the adsorption bed is connected with the exhaust pipe through the CO catalyst, and the standard-reaching exhaust pipe is arranged at one end of the exhaust pipe. The utility model has the beneficial effects that: this equipment adopts tertiary dry-type filtration's mode to carry out dry-type filtration, and is equipped with air current guide buffer gear between every layer of filtration, not only can be better carry out the filtration operation of particulate matter, and can intercept the particulate matter to reinforcing dry-type filtration tower's filtration efficiency, and then guarantee follow-up filtration equipment's filter effect.

Description

Catalytic combustion exhaust treatment equipment

Technical Field

The utility model relates to the field of waste gas treatment equipment, in particular to catalytic combustion waste gas treatment equipment.

Background

The catalytic combustion is suitable for purifying toxic and harmful gases such as combustible gas, steam and the like, is almost suitable for purifying all industrial production processes which discharge hydrocarbon or odorous compounds, and can be used for purifying organic solvents. The method is suitable for purifying organic waste in the industries of wires, cables, enamelled wires, machinery, motors, chemical industry, instruments, automobiles, bicycles, motorcycles, engines, magnetic tapes, plastics, household appliances and the like. Organic waste gas generated in each I sequence is purified by drying pipelines such as various drying tunnels, tin printing, surface spraying, printing ink, motor insulation treatment, leather shoe viscose and the like, but the blockage of a catalytic bed layer is easily caused for toxic and harmful gas containing a large amount of dust particles, fog drops and the like, so that the catalytic activity is reduced, and the purification efficiency is reduced.

The prior art 201921618741.0 discloses a novel dry-type filter box, it is through setting up a plurality of filter layer structures in the filter box inside, and set up a plurality of filter layers between import and export, through setting up from kind of structure, can make waste gas discharge after multistage filtration, furthermore, through setting up a plurality of filtration modules of fixing on the filter layer, and set up such filtration module detachable, after using for a long time, the user can dismantle and clear up it, furthermore, the utility model sets up pressure controller in the filter box inside, it can monitor the pressure time of filter box inside, when pressure is too high, represent inside gas circulation is unsmooth, accessible pressure controller carries out the shutdown control to external air supply device, prevent the equipment damage that leads to the fact because of lasting supply pressure, this patent discloses a novel dry-type filter box, when carrying out the dust particle treatment operation in the waste gas, its treatment effect is relatively poor, and after handling for a period of time, the staff is inconvenient to clear up, it is comparatively troublesome.

Disclosure of Invention

Aiming at the defects and shortcomings in the prior art, the utility model provides the catalytic combustion waste gas treatment equipment, which adopts a three-stage dry filtration mode to carry out dry filtration, and an airflow guiding buffer mechanism is arranged between each two layers of filtration, so that the filtering operation of particulate matters can be better carried out, the particulate matters can be intercepted, the filtration efficiency of a dry filtration tower is enhanced, and the filtration effect of subsequent filtration equipment is further ensured.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a catalytic combustion exhaust gas treatment equipment, it includes bipolar cyclone spray tower 1, dry-type filter tower 3, exhaust pipe 4, discharge tube up to standard 5, CO catalyst 6, adsorption bed 7, bipolar cyclone spray tower 1 is connected with dry-type filter tower 3, the other end of dry-type filter tower 3 is connected to adsorption bed 7, and adsorption bed 7 is connected with exhaust pipe 4 through CO catalyst 6, exhaust pipe 4 one end is equipped with discharge tube up to standard 5, dry-type filter tower 3 includes intake pipe 31, guide plate 32, large granule filter 33, reposition of redundant personnel baffle 34, confluence pipe 35, reposition of redundant personnel post 36, secondary filter 37, small granule filter 38, outlet duct 39, the exit of intake pipe 31 is equipped with guide plate 32, the opposite side and the large granule filter 33 clearance fit of guide plate 32, the right side of large granule filter 33 is equipped with reposition of redundant personnel baffle 34, reposition of redundant personnel baffle 34 is connected with confluence pipe 35, the exit of confluence pipe 35 is equipped with reposition of redundant personnel post 36, and the exit of confluence pipe 35 and secondary filter 37 clearance fit, secondary filter 37 and small granule filter 38 set up the import department at 39.

Further, a communicating pipe 2 is arranged between the bipolar cyclone spray tower 1 and the dry type filtering tower 3.

Further, a desorption pipeline 8 is arranged between the adsorption bed 7 and the exhaust pipe 4.

Further, a sedimentation chamber 310 is provided between the secondary filter plate 37 and the small particle filter plate 38.

Further, the exhaust pipe 4 is provided with a small flow guiding hole pipe 34-1 for facilitating gas circulation and guiding gas.

Further, the adsorption bed 7 is provided with at least one.

After the technical scheme is adopted, the utility model has the beneficial effects that: this equipment adopts tertiary dry-type filtration's mode to carry out dry-type filtration, and is equipped with air current guide buffer gear between every layer of filtration, not only can be better carry out the filtration operation of particulate matter, and can intercept the particulate matter to reinforcing dry-type filtration tower's filtration efficiency, and then guarantee follow-up filtration equipment's filter effect.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view showing the internal structure of the dry filtration column 3 according to the present utility model.

Fig. 3 is a schematic view of the structure of the diverting guide 34 in fig. 2.

Reference numerals illustrate: the bipolar cyclone spray tower 1, the communicating pipe 2, the dry type filtering tower 3, the exhaust pipe 4, the standard discharge pipe 5, the CO catalyst 6, the adsorption bed 7, the desorption pipeline 8, the air inlet pipe 31, the guide plate 32, the large particle filter plate 33, the split guide plate 34, the converging pipe 35, the split column 36, the secondary filter plate 37, the small particle filter plate 38, the air outlet pipe 39, the sedimentation cavity 310 and the diversion small hole pipe 34-1.

Detailed Description

Referring to fig. 1-3, the technical scheme adopted in the specific embodiment is as follows: the dry type cyclone spray tower comprises a bipolar cyclone spray tower 1, a dry type filter tower 3, an exhaust pipe 4, a standard-reaching exhaust pipe 5, a CO catalyst 6 and an adsorption bed 7, wherein the bipolar cyclone spray tower 1 is connected with the dry type filter tower 3, the other end of the dry type filter tower 3 is connected to the adsorption bed 7, the adsorption bed 7 is connected with the exhaust pipe 4 through the CO catalyst 6, one end of the exhaust pipe 4 is provided with the standard-reaching exhaust pipe 5, the dry type filter tower 3 comprises an air inlet pipe 31, a guide plate 32, a large particle filter plate 33, a split guide plate 34, a converging pipe 35, a split column 36, a secondary filter plate 37, a small particle filter plate 38 and an air outlet pipe 39, the guide plate 32 is arranged at the outlet of the air inlet pipe 31, the other side of the guide plate 32 is in clearance fit with the large particle filter plate 33, the split guide plate 34 is connected with the converging pipe 35, the outlet of the converging pipe 35 is provided with a split column 36, the outlet of the converging pipe 35 is in clearance fit with the secondary filter plate 37, and the secondary filter plate 37 is in clearance fit with the small particle filter plate 38, and the inlet of the air outlet pipe 39 is arranged at the inlet of the air outlet pipe 39.

More specifically, a communicating pipe 2 is arranged between the bipolar cyclone spray tower 1 and the dry type filtering tower 3. And a communicating pipe is adopted, so that the waste gas treated by the bipolar cyclone spray tower 1 can enter the dry type filtering tower 3.

More specifically, a desorption pipeline 8 is arranged between the adsorption bed 7 and the exhaust pipe 4. The desorption pipe 8 is capable of further adsorbing exhaust in the gas.

More specifically, a settling chamber 310 is provided between the secondary filter plate 37 and the small particle filter plate 38. By adding a sedimentation chamber 310 between the secondary filter plate 37 and the small particle filter plate 38, the sedimentation of the fine solids in the gas is performed through the sedimentation chamber 310, and the filtering effect of the dry type filtering tower 3 is further enhanced.

More specifically, the exhaust duct 4 is provided with a small flow guiding duct 34-1 for facilitating the gas circulation and guiding the gas.

More specifically, the adsorbent bed 7 is provided with at least one. The plurality of adsorption beds 7 can treat the exhaust gas better, so that the treatment effect of the exhaust gas is better.

The working principle of the utility model is as follows: when waste gas treatment operation is required, the waste gas to be treated can be connected to the bipolar cyclone spray tower 1 by a worker, after being treated by the bipolar cyclone spray tower 1, the waste gas enters the dry type filter tower 3 through the communicating pipe 2, at the moment, the waste gas enters the dry type filter tower 3 through the air inlet pipe 31, after being guided and intercepted by the guide plate 32, the waste gas is subjected to the first large-particle filtering operation through the large-particle filter plate 33, after being filtered through the large-particle filter plate 33, the gas is split into an upper passage and a lower passage by the split guide plate 34, and is collected into the converging pipe 35 through the small-hole guide pipe 34-1, after the gas flow rate is enhanced by the converging pipe 35, the gas is blown to the split column 36, the split column 36 is used for intercepting and decelerating the air flow, the secondary filter plate 37 and the small-particle filter plate 38 are used for intercepting and filtering the secondary and small-particle, and then the air is discharged to the adsorption bed 7 through the air outlet pipe 39, after the air is filtered by the adsorption bed 7, the waste gas enters the CO catalyst 6 for further treatment, and is discharged through the standard-reaching discharge pipe 5 after being treated by the desorption pipe 8 and the desorption pipe 4, wherein after the dry type filter tower 3 is required to be cleaned, the split guide plate 32, the split guide plate and the filter plate 34, the filter plate and the secondary filter plate 34 and the small-particle filter plate 33 can be cleaned, and the sedimentation chamber and the small-particle filter plate 33 can be cleaned.

The adsorption bed 7 is internally provided with an active carbon layer and an airflow distributor to concentrate and purify organic gas, is a main part and a core process of the whole device in a main cycle, and is filled with active carbon by stacking and convenient to replace. The single-bed design air quantity of the activated carbon adsorption box is 20000m < 3 >/h, one adsorption bed is set for adsorption, and desorption is carried out after adsorption is finished. The activated carbon adsorption material-honeycomb activated carbon is adopted, has the advantages of superior thermodynamic performance, low resistance, low consumption, high adsorption rate and the like compared with the particle (rod) shape, is extremely suitable for being used under large air quantity, has excellent adsorption performance, has the advantages of developed pore structure, large specific surface area, small fluid resistance and the like, and is particularly suitable for purifying and treating the organic waste gas of large air quantity and low concentration factories, such as formaldehyde, benzene, toluene, xylene and other toxic and harmful waste gas of the factories; the product is used in batch in large cities in China, and is partially exported to Japan, korea and the like.

CO catalyst 6: the device is to introduce concentrated organic waste gas into the main equipment. After organic matters are separated from the active carbon layer by the internal heating device, the organic waste gas is decomposed into water and carbon dioxide under the action of the catalyst, and simultaneously energy is released, and the energy is replaced by the heat exchange device for maintaining the self-ignition energy source of the equipment. The DCO type purification device is adopted, the treatment air quantity is 2000m < 3 >/h, the installed power is 60kw, the electric heating I takes about half an hour, when the temperature of the catalytic bed reaches 250-300 ℃, the catalytic combustion bed starts to react, hot air generated by the waste gas reaction is recycled, the electric heating is stopped at the moment, external heating is not needed, the single-bed desorption is carried out, the desorption time is 3-4 hours, the desorption is automatically switched at fixed time by the active carbon adsorption box, and the service life of the ceramic honeycomb noble metal catalyst filled in the inside is 10000 hours. The whole desorption system adopts multipoint temperature control to ensure the stability of desorption effect. The catalyst adopts cordierite honeycomb ceramic body as a carrier, precious metals Pd, pt and the like as main active components, and precious metals platinum and palladium have high activity, high purification efficiency and long service life

The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.

Claims

1. A catalytic combustion exhaust treatment apparatus, characterized in that: the device comprises a bipolar cyclone spray tower (1), a dry type filtering tower (3), an exhaust pipe (4), a standard-reaching exhaust pipe (5), a CO catalyst (6) and an adsorption bed (7), wherein the bipolar cyclone spray tower (1) is connected with the dry type filtering tower (3), the other end of the dry type filtering tower (3) is connected to the adsorption bed (7), the adsorption bed (7) is connected with the exhaust pipe (4) through the CO catalyst (6), and one end of the exhaust pipe (4) is provided with the standard-reaching exhaust pipe (5);

dry-type filter tower (3) has included intake pipe (31), guide board (32), large granule filter board (33), reposition of redundant personnel baffle (34), has joined pipe (35), reposition of redundant personnel post (36), secondary filter (37), small granule filter (38), outlet duct (39), the exit of intake pipe (31) is equipped with guide board (32), and the opposite side and the large granule filter board (33) clearance fit of guide board (32), and the right side of large granule filter board (33) is equipped with reposition of redundant personnel baffle (34), and reposition of redundant personnel baffle (34) are connected with joining pipe (35), and the export of joining pipe (35) is equipped with reposition of redundant personnel post (36), and the export and the clearance fit of secondary filter (37) of joining pipe (35), and secondary filter (37) cooperatees with small granule filter (38), and small granule filter (38) set up the import department at outlet duct (39).

2. A catalytic combustion exhaust treatment apparatus according to claim 1, wherein: a communicating pipe (2) is arranged between the bipolar cyclone spray tower (1) and the dry type filtering tower (3).

3. A catalytic combustion exhaust treatment apparatus according to claim 1, wherein: a desorption pipeline (8) is arranged between the adsorption bed (7) and the exhaust pipe (4).

4. A catalytic combustion exhaust treatment apparatus according to claim 1, wherein: a sedimentation cavity (310) is arranged between the secondary filter plate (37) and the small particle filter plate (38).

5. A catalytic combustion exhaust treatment apparatus according to claim 1, wherein: the exhaust pipe (4) is provided with a small flow guiding hole pipe (34-1) which is convenient for gas circulation and guiding gas.

6. A catalytic combustion exhaust treatment apparatus according to claim 1, wherein: the adsorption bed (7) is provided with at least one.