CN218530203U - Multi-pollutant purification device with cavity structure - Google Patents
Multi-pollutant purification device with cavity structure Download PDFInfo
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- CN218530203U CN218530203U CN202222774061.6U CN202222774061U CN218530203U CN 218530203 U CN218530203 U CN 218530203U CN 202222774061 U CN202222774061 U CN 202222774061U CN 218530203 U CN218530203 U CN 218530203U
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Abstract
The utility model provides a multi-pollutant purification device with a cavity structure, which belongs to an environmental protection device. The device comprises a gas inlet, a box body, a purification unit, a pattern plate, a gasket, a gas purification chamber, a dust removal unit, an ash bucket and a gas purification outlet; the purification unit is a whole formed by connecting an outer filter cylinder and an inner cylinder through a bottom end socket and a top end socket, the outer filter cylinder is used for removing dust, and the inner cylinder is used for treating gaseous pollutants; a cavity is formed between the outer filter cylinder and the inner cylinder, and the cavity plays a role in stabilizing pressure and buffering and ensures that gas to be purified flows through the inner cylinder stably and uniformly; the outer filter cylinder and the inner cylinder are efficiently sealed through bottom and top end sockets by a labyrinth design; and blowing ash removal and other measures are taken as auxiliary measures. Through unique cavity structural design, realized device high performance life management when carrying out the high-efficient treatment of many pollutants.
Description
Technical Field
The utility model relates to an ecological environment field, concretely relates to multi-pollutant purification device with cavity structure.
Background
In the fields of ecological environment, chemical industry, food and the like, industrial flue gas or tail gas usually contains various pollutants, such as dust, nitrogen oxides, mercury, dioxin and the like, and in order to achieve standard emission or meet the use requirements, gas is often required to be purified.
Most of the conventional bag-type dust collectors have a dust removal function, and if equipment such as denitration equipment is additionally added for removing other pollutants such as nitrogen oxides, the system is complex, multiple potential fault points exist, the energy consumption is high, and the operation and maintenance difficulty is high; a small amount of bag-type dust collectors with a certain multi-pollutant removal function are greatly influenced by load change and uneven flow field distribution, have insufficient stability, have the prominent problems of inactivation of active components, uneven inactivation and the like, and influence the service life and the purification effect of equipment.
Patent 1 (publication No. 101721175A) discloses a bag collector with novel air inlet mode and air distribution structure, forms the sudden expansion state after making dusty air flow get into the dust collector, separates once more through labyrinth deflector group, realizes gaseous dust removal purification in the filter bag district, is particularly useful for high concentration, large granule, the dust that the abrasiveness is strong filters. However, the method can only remove dust, and can not remove nitrogen oxides and other pollutants.
Patent 2 (publication No. 110694393A) discloses a sack dust removal method and device of sack cleaner, confirms the ash content in this dust removal area's the unit interval through the inside dust removal area's of load, the coal type of knowing the boiler and acquireing in advance proportionality coefficient in sack cleaner, judges the ash content that piles up of sack is greater than to store up in advance and accumulates the ash content, and the reverse purge system of sack that the rethread set up in the sack cleaner carries out the reverse purge dust removal to the sack, and this utility model discloses can improve sack dust removal efficiency under the prerequisite that ensures the sack life-span. However, the method can only remove dust, and can not remove nitrogen oxides and other pollutants.
Patent 3 (publication No. 101396629A) discloses a bag-type dust collector and a method for manufacturing the same, wherein an air flow channel communicated with a dust-containing gas inlet of the bag-type dust collector is arranged on one side in a box body of the conventional bag-type dust collector, and an air flow baffle is arranged in an ash bucket, so that the direct scouring of the dust-containing gas on a filter bag of the bag-type dust collector is avoided; however, the method cannot remove nitrogen oxides and other pollutants except dust, and the adaptability to load changes such as fluctuation of the amount of flue gas entering the dust remover is also to be improved.
Patent 4 (publication No. 111773840A) discloses a method for stabilizing the pressure of a bag-type dust collector, which comprises introducing a supplementary gas to keep the gas quantity in the bag-type dust collector and a main pipeline stable before a period of pulse dust removal and during the pulse dust removal, and reduce the pressure fluctuation caused by the instantaneous increase of the gas volume to the front end. However, this method increases the load of the make-up gas flow and complicates the control of the system.
Patent 5 (publication No. 104190193A) discloses a method that synchronous SOx/NOx control removed dust in bag collector to the bag collector is reaction unit, carries out SOx/NOx control to the flue gas through pouring into oxides of manganese and ammonia, the utility model discloses can realize flue gas SOx/NOx control dust removal integration in the bag collector, nevertheless oxides of manganese when pouring into with the degree of difficulty of flue gas homogeneous mixing big, the oxides of manganese that do not participate in the reaction together mixes with the smoke and dust and collects down, the separation retrieval and utilization degree of difficulty is big.
Patent 6 (publication No. 102527177A) discloses an electric-bag composite dust collector integrating dust removal and mercury removal, which realizes the trapping and removal of mercury by electric-bag dust removal and simultaneously spraying activated carbon adsorbent. The utility model discloses can realize flue gas dust removal demercuration integration, its difficult and flue gas homogeneous mixing when nevertheless pouring into the active carbon into, the active carbon that does not participate in the reaction is together mixed with the smoke and dust and is collected and get off, and the separation retrieval and utilization degree of difficulty that does not participate in the reaction active carbon is big.
Patent 7 (publication No. 102688629A) discloses an SCR denitration dust collector, through establishing ties upstream SCR denitration device and downstream dust collector, realizes removing dust and denitration, but this kind of multi-system stack realizes that the mode of multi-pollutant control is big to equipment space demand, and the system is comparatively complicated, and the potential fault point is many.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multi-pollutant purifying device with a cavity structure and a method aiming at the defects.
The purpose of the utility model can be realized by the following technical scheme:
a multi-pollutant purification device with a cavity structure comprises a box body, a purification unit positioned in the middle of the box body and an ash removal unit positioned at the upper part of the purification unit; the purifying unit is placed on the pattern plate through a top end socket, the upper part of the box body is provided with an air purifying chamber, and the lower part of the box body is provided with an ash bucket.
The utility model discloses among the technical scheme: the purification unit comprises an outer filter cylinder and an inner cylinder, wherein a bottom end socket is arranged at the bottom of the purification unit, and a top end socket is arranged at the top of the purification unit.
The utility model discloses among the technical scheme: the ash cleaning unit comprises a blowing head, a blowing pipe, a pulse valve and an air bag.
The utility model discloses among the technical scheme: the blowing head of the ash cleaning unit is positioned at the top of the inner cylinder and faces the bottom of the inner cylinder, the centers of the blowing head and the inner cylinder are superposed, and the blowing head is connected with the air bag through a blowing pipe and a pulse valve.
The utility model discloses among the technical scheme: and a gasket is arranged on the contact surface of the top end enclosure and the pattern plate.
The utility model discloses among the technical scheme: the top head and the bottom head are sealed by a labyrinth design.
The utility model discloses among the technical scheme: the ratio of the diameter size of the outer filter cylinder to the diameter size of the inner cylinder is more than 1.2 times.
The utility model discloses among the technical scheme: the gas inlet is positioned below the purification unit, and the purified gas outlet is positioned above the purification unit.
In some specific embodiments:
a multi-pollutant purifying device with a cavity structure comprises a gas inlet, a box body, a purifying unit, a pattern plate, a gasket, a gas purifying chamber, a dust cleaning unit, a dust hopper and a gas purifying outlet; the purifying unit comprises an outer filter cylinder, an inner cylinder, a bottom end enclosure and a top end enclosure, the purifying unit is a whole formed by connecting the outer filter cylinder and the inner cylinder through the bottom end enclosure and the top end enclosure, the purifying unit is placed on the flower plate through the top end enclosure, and a gasket is arranged on the contact surface of the top end enclosure and the flower plate; the ash removal unit comprises a blowing head, a blowing pipe, a pulse valve and an air bag, wherein the blowing head is positioned at the top of the inner cylinder and faces the bottom of the inner cylinder, the centers of the blowing head and the inner cylinder are superposed, and the blowing head is connected with the air bag through the blowing pipe and the pulse valve.
The utility model discloses among the technical scheme: the purification unit is a whole formed by connecting an outer filter cylinder and an inner cylinder through a bottom end socket and a top end socket, a cavity is formed between the outer filter cylinder and the inner cylinder, and the cavity plays a role in stabilizing pressure and buffering and ensures that gas to be purified stably and uniformly flows through the inner cylinder;
the utility model discloses among the technical scheme: the bottom end socket, the outer filter cylinder and the inner cylinder are efficiently sealed through a labyrinth design, meanwhile, the weight of the inner cylinder is transferred to the outer filter cylinder by means of the bottom end socket, and the gravity compaction of the inner cylinder is beneficial to further guarantee reliable sealing;
the utility model discloses among the technical scheme: the top end socket, the outer filter cylinder and the inner cylinder are efficiently sealed through a labyrinth design, meanwhile, the outer filter cylinder transfers the weight to the pattern plate through the gasket, and the gravity compaction of the outer cylinder is beneficial to further reliable sealing between the upper outer filter cylinder and the lower outer filter cylinder of the gasket and the pattern plate;
the utility model discloses among the technical scheme: the ratio of the diameter size of the outer filter cylinder to the diameter size of the inner cylinder is more than 1.2 times, preferably 1.4 times to 2 times;
the utility model discloses among the technical scheme: the inner cylinder is made of a porous material attached with an active catalytic component, the material is ceramic fiber or other porous substances, and the active catalytic component is uniformly distributed on the porous material; the active catalytic component loaded on the inner cylinder can catalyze and convert gaseous pollutants such as NOx, dioxin and the like into nontoxic or low-toxicity products, so that the pollutants are effectively treated; the diameter of the inner cylinder is not particularly limited, and is generally between 50mm and 200mm; the length of the inner cylinder is adjustable, and is usually less than 10000mm;
the utility model discloses among the technical scheme: the outer filter cylinder is made of porous materials made of inert materials such as ceramic fibers and the like, and solid particles in the gas are filtered and removed;
the utility model discloses among the technical scheme: the blowing gas of the ash cleaning unit is stored in the air bag, is controlled by a blowing valve and is blown out from a blowing head through a blowing pipe to realize ash cleaning;
the utility model discloses among the technical scheme: the purification units are arranged on the flower plate through the top seal heads and the gaskets, and the number of the purification units can be adjusted according to needs.
The utility model has the advantages that:
(1) the utility model adopts the unique cavity structure design, plays a role of pressure stabilization and buffering through the cavity, ensures that the gas to be purified flows through the inner barrel stably and uniformly, and realizes the high-performance service life management of the device while performing the high-efficiency treatment of pollutants;
(2) the high-efficiency pre-dedusting is realized through the outer filter cylinder (containing the filter layer cake attached to the surface of the filter cylinder), so that the poisoning of harmful ingredients such as alkali metal, arsenic and the like in dust to the active catalytic components of the inner cylinder is effectively avoided, the inactivation of the active components of the catalyst is slowed down, and the service life is prolonged;
(3) the cavity between the outer filter cylinder and the inner cylinder can play a good buffering role, the gas pressure is stable, the fluctuation is small, the flow velocity of gas at each position in the cavity is uniform when the gas flows through the inner cylinder, the contact time of the gas at different positions and the active component of the catalyst is consistent, the reaction is more controllable, and the process is efficient and reliable;
(4) due to the existence of the cavity, the matching between the working condition and the active catalytic component is better, the activity change synchronism of the active catalytic component at each position of the inner cylinder is stronger, and the problems of uneven working load caused by uneven speed distribution, uneven inactivation speed of the active components of the catalysts in different areas and overall scrapping caused by too fast local performance reduction are solved;
(5) the inner cylinder, the outer cylinder, the upper seal head and the lower seal head are independent parts, and the inner cylinder and the outer cylinder are hermetically connected through the upper seal head and the lower seal head, so that the assembly and disassembly are flexible and convenient, and the installation, the overhaul and the maintenance are convenient;
(6) the purification unit adopts a modular design, the inner cylinder and the lower end enclosure are assembled firstly, then are inserted into the bottom of the outer cylinder from the top end inside the outer cylinder together, and the upper end enclosure is fastened after the inner cylinder and the lower end enclosure are in place, so that the assembly can be completed, and the operation is convenient;
(7) can realize that a set of equipment simultaneously handles solid-state pollutant and gaseous pollutant, realizes many pollutants and jointly gets rid of.
The utility model is suitable for a get rid of impurity among all kinds of flue gas, tail gas or the process gas, especially be applicable to the control that contains the complex gas that easily leads to active catalytic component inactivation material in the undulant big, the dust of load.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of the purification unit of the present invention.
In the figure: 1. a gas inlet; 2. a box body; 3. a purification unit; 4. a pattern plate; 5. a gasket; 6. a gas purifying chamber; 7. an ash removal unit; 8. an ash hopper; 9. a purified gas outlet; 301 an outer filter cartridge; 302 an inner barrel; 303, sealing the bottom end of the container; 304 a top seal head; 701 a blowing head; 702 an injection pipe; 703 a pulse valve; 704 air bag.
Detailed Description
The present invention will be further explained with reference to the following embodiments, but the scope of the present invention is not limited thereto:
as shown in fig. 1: the utility model discloses a many pollutants purifier with cavity structures, including gas feed 1, box 2, purifying unit 3, card 4, gasket 5, air-purifying chamber 6, deashing unit 7, ash bucket 8, net gas export 9, purifying unit 3 including outer cartridge 301, inner tube 302, bottom head 303, top head 304, deashing unit 7 including blowing head 701, blowing pipe 702, pulse valve 703, gas bag 704.
In the technical scheme of the utility model, the purification unit 3 adopts a modular design and is a whole formed by connecting an outer filter cartridge 301 and an inner cylinder 302 through a bottom end socket 303 and a top end socket 304; after the inner cylinder 302 and the bottom end enclosure 303 are assembled, the inner cylinder and the bottom end enclosure are inserted into the bottom of the outer filter cylinder 301 from the top of the outer filter cylinder 301, and the top end enclosure 304 is fastened after the inner cylinder and the bottom end enclosure are in place, so that the assembly is completed; the purification unit 3 is placed on the flower plate 6 through the top end enclosure 304, and the contact surface of the top end enclosure 304 and the flower plate 4 is provided with a gasket 5.
The utility model discloses among the technical scheme, outer strain 301, inner tube 302 between be a cavity, this cavity can play good cushioning effect, gas pressure is steady, undulant little, the velocity of flow is even when the inner tube is flowed through to gas flow everywhere in the cavity, the contact time of different position gas and catalyst active component is unanimous, the reaction is more controllable, the process is high-efficient reliable.
The outer filter cartridge 301 is made of a porous material made of inert materials such as ceramic fibers and the like and is used for filtering and removing solid particles in gas; the inner cylinder 302 is a porous material with active catalytic components attached, the material is ceramic fiber or other porous substances, the active catalytic components are uniformly distributed on the porous material, and the active catalytic components can catalyze and convert gaseous pollutants such as NOx, dioxin and the like into non-toxic or low-toxicity products, so that the pollutants are effectively treated.
The diameter of the inner cylinder 302 is not particularly limited, generally ranging from 50mm to 200mm, and the length of the inner cylinder 302 is adjustable and generally within 10000mm; the ratio of the diameter of the outer filter cartridge 301 to the diameter of the inner cartridge 302 is 1.2 times or more, preferably 1.4 times to 2 times, and the length thereof is equivalent to that of the inner cartridge.
The bottom seal head 303 is sealed by adopting a labyrinth design, and reliable sealing is further ensured by gravity compaction of the inner cylinder 302; the top head 304 is sealed with a labyrinth design while bearing the weight of the inner barrel 302 transferred thereto, and reliable sealing is further ensured by weight compaction of the inner barrel 302 and the outer barrel 301, as shown in fig. 2.
The inner cylinder 302 transfers the weight to the outer filter cylinder 301 through the bottom end socket 303; the outer cartridge 301 transfers weight to the deck 5 through the top head 304 and gasket 4.
The blowing head 701 of the ash cleaning unit 7 is positioned at the top of the inner cylinder 302 and faces the bottom of the inner cylinder 302, the centers of the blowing head 701 and the inner cylinder 302 are superposed, and the blowing head 701 is connected with the air bag 704 through a blowing pipe 702 and a pulse valve 703; the purge gas is stored in the gas bag 704, and is ejected from the blowing head 701 through the blowing pipe 702 to perform ash removal under the control of the blowing valve 703.
The purification units 3 are arranged on the flower plate 4 through the top end sockets 304 and the gaskets 5, and the number of the purification units 3 can be adjusted according to needs.
Claims (8)
1. The utility model provides a many pollutants purifier with cavity structure which characterized in that: the device comprises a box body (2), a purification unit (3) positioned in the middle of the box body (2) and an ash removal unit (7) positioned at the upper part of the purification unit (3); the purifying unit (3) is placed on the pattern plate (4) through a top seal head (304), the upper part of the box body (2) is provided with a gas purifying chamber (6), and the lower part of the box body (2) is provided with an ash bucket (8).
2. The multi-pollutant purification device with cavity structure of claim 1, characterized in that: purification unit (3) are strained section of thick bamboo (301) and inner tube (302) including outer, the bottom of purification unit (3) is equipped with bottom head (303), and the top of purification unit (3) is equipped with top head (304).
3. The multi-pollutant purification device with cavity structure of claim 1, characterized in that: the ash cleaning unit (7) comprises a blowing head (701), a blowing pipe (702), a pulse valve (703) and an air bag (704).
4. The multi-pollutant purification device with cavity structure of claim 2, characterized in that: a blowing head (701) of the ash cleaning unit (7) is positioned at the top of the inner cylinder (302) and faces the bottom of the inner cylinder (302), the centers of the blowing head (701) and the inner cylinder (302) are superposed, and the blowing head (701) is connected with an air bag (704) through a blowing pipe (702) and a pulse valve (703).
5. The multi-pollutant purification device with cavity structure of claim 1, characterized in that: and a gasket (5) is arranged on the contact surface of the top seal head (304) and the pattern plate (4).
6. The multi-pollutant purification device with cavity structure of claim 1, characterized in that: the top head (304) and the bottom head (303) are sealed by a labyrinth design.
7. The multi-pollutant purification device with cavity structure of claim 2, characterized in that: the ratio of the diameter size of the outer filter cylinder (301) to the diameter size of the inner cylinder (302) is more than 1.2 times.
8. The multi-pollutant purification device with cavity structure of claim 1, characterized in that: the gas inlet (1) is positioned below the purification unit (3), and the purified gas outlet (9) is positioned above the purification unit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222774061.6U CN218530203U (en) | 2022-10-20 | 2022-10-20 | Multi-pollutant purification device with cavity structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222774061.6U CN218530203U (en) | 2022-10-20 | 2022-10-20 | Multi-pollutant purification device with cavity structure |
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| Publication Number | Publication Date |
|---|---|
| CN218530203U true CN218530203U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222774061.6U Active CN218530203U (en) | 2022-10-20 | 2022-10-20 | Multi-pollutant purification device with cavity structure |
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| CN (1) | CN218530203U (en) |
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- 2022-10-20 CN CN202222774061.6U patent/CN218530203U/en active Active
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