CN202893138U - Circular-barrel cyclone bag-type combined direct-injection dust remover for biomass fuel boiler - Google Patents
Circular-barrel cyclone bag-type combined direct-injection dust remover for biomass fuel boiler Download PDFInfo
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- CN202893138U CN202893138U CN 201220561981 CN201220561981U CN202893138U CN 202893138 U CN202893138 U CN 202893138U CN 201220561981 CN201220561981 CN 201220561981 CN 201220561981 U CN201220561981 U CN 201220561981U CN 202893138 U CN202893138 U CN 202893138U
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- bag
- barrel
- cylindrical shell
- air inlet
- biomass fuel
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Abstract
The utility model relates to a circular-barrel cyclone bag-type combined direct-injection dust remover for a biomass fuel boiler, comprising at least one dust remover barrel, wherein an air inlet tube, an air outlet tube and an ash bucket are connected to the barrel, the ash bucket is arranged on the lower part of the barrel, and a filter bag assembly is arranged in the barrel. The circular-barrel cyclone bag-type combined direct-injection dust remover is characterized in that the air inlet tube is connected to the upper part of the barrel, the central line of the air inlet tube is vertical to the axis of the barrel, the air inlet tube is tangential with the barrel and connected with the barrel after surrounding the outer wall of the barrel for a distance; and the filter bag assembly is provided with a low-pressure multi-station direct-injection deashing device. Via the upper air inlet of the tangential 180-degree cyclone of the circular-barrel cyclone bag-type combined direct-injection dust remover disclosed by the utility model, dusty airflow is smoother and more uniform, airflow dead angles are avoided, the filter bag is safer, and the advantages of compact structure, high efficiency, low resistance and energy conversation are achieved; and simultaneously, via the upper air inlet, the consistent direction of the airflow and dust sedimentation is ensured, the deashing effect of the dust remover is improved, the running resistance is reduced, and the life of the filter bag is prolonged.
Description
Technical field
The utility model relates to the straight spray of a kind of biomass fuel boiler cylinder bag-type whirlwind combination deduster.
Background technology
Living beings are important regenerative resources, and stalk is main biomass fuel, compare the few and reusable edible of pollutant that burning straw produces with fire coal.But biomass boiler is because the unstability of fuel value and stalk are received, store up, transported the problem that link exists, and the flue gas that it produces and coal-burning boiler have very large difference.Because the particularity of the obtaining of fuel, storage and transportation, biomass fuel often contains large quantity of moisture and sand grains, makes the biomass boiler flue gas moisture content high, even surpasses 40%VOL; The dust that produces after the burning is lighter, and adhesiveness is strong; The acidic components that contain chlorion chemical combination in the flue gas; Oarse-grained sand is converted into the high temperature grit.The uncombusted composition is many in the flue dust, spontaneous combustion in the situation of chance oxygen abundance during high temperature.Therefore, solve ablation and wear and tear, prevent that hydrogenesis and dust from stopping up, preventing that deduster from leaking out, guaranteeing that the security of biomass boiler and dust pelletizing system is Design of Dust-removing System and the special concern part that needs in service.
At present, the biomass fuel boiler tail gas clean-up is processed, general " cyclone dust collectors "+" sack cleaner " that adopt,
" cyclone dust collectors ": be used for removing the bulky grain grit of spark and high temperature, avoid the filter bag of ablating;
" sack cleaner ": filtrate is selected heatproof, hydrolysis, the coated filter material of certain oxidation resistance is arranged, such as the PPS coated filter material, and P84 coated filter material etc.
But because the structure of whirlwind+pocket type is so that the huge structure of whole deduster, the apparatus arrangement restriction is many, running resistance is large, the comprehensive energy consumption height.
Summary of the invention
The purpose of this utility model provides the straight spray of a kind of biomass fuel boiler cylinder bag-type whirlwind combination deduster.
For achieving the above object, the technical solution adopted in the utility model is:
The straight spray of a kind of biomass fuel boiler cylinder bag-type whirlwind combination deduster, comprise at least one deduster cylindrical shell, be connected with blast pipe, discharge pipe and ash bucket on the described cylindrical shell, described ash bucket is arranged on the bottom of described cylindrical shell, be provided with filter bay assembly in the described cylindrical shell, it is characterized in that: described blast pipe is connected to the top of described cylindrical shell, the center line of described blast pipe and described cylindrical shell axial line are perpendicular, and described blast pipe is tangent with described cylindrical shell and around being connected with described cylindrical shell behind its outer wall one segment distance; Described filter bay assembly is provided with the low pressure multi-functional position and directly sprays deashing device.
Preferably, described blast pipe is rear coupled logical around tangent outer wall 180 degree of described cylindrical shell.
Preferably, described filter bay assembly comprises the card that is arranged on described inner barrel, is arranged on the bag cage on the described card and is arranged on filter bag on the described bag cage.
Further preferably, described low pressure multi-functional position directly sprays deashing device and is arranged on described card top, and it comprises:
Gas bag: described gas bag is arranged on the described card rotationally, one end of one air inlet hollow shaft and source of the gas can be tightly connected with relatively rotating, the other end extends in the described gas bag, be evenly equipped with a plurality of injection tubes around described air inlet hollow shaft on the described gas bag, one end of described injection tube is fixedly connected with described gas bag, and the other end extends to the sack of corresponding described filter bag;
Valve plate: described valve plate can be arranged in the described gas bag rotationally, is fixedly connected with the end of described air inlet hollow shaft, and described valve plate is provided with a passage, and described passage can be connected with described injection tube;
The first driving mechanism: described the first driving mechanism can drive described gas bag and rotate;
The second driving mechanism: described the second driving mechanism can drive described valve plate and rotate.
Preferably, be provided with by-pass collar on the described blast pipe, described by-pass collar comprises bypass line, is arranged on the by-passing valve on the described bypass line.
Preferably, the length of described filter bag is 12-14m.
Because technique scheme is used, the utility model compared with prior art has following advantages:
Tangential 180 ° of the present utility model screw on air intake, make dust-contained airflow more smooth-going evenly, the airless dead angle, and filter bag is safer, has compact conformation, high efficiency, lower resistance, energy-conservation advantage; Simultaneously, upper air inlet guarantees that airflow direction is consistent with the dust settling direction, improves the ash-removal effect of deduster, has reduced running resistance, has improved the life-span of filter bag.
Description of drawings
Accompanying drawing 1 is structural representation front view of the present utility model;
Accompanying drawing 2 is structural representation top view of the present utility model;
Accompanying drawing 3 directly sprays the structural representation that deashing device arranges for the utility model mesolow multi-functional position;
Accompanying drawing 4 is the structural representation of " cyclone dust collectors " in the prior art+" sack cleaner ".
Wherein: 1, cylindrical shell; 2, blast pipe; 3, ash bucket; 4, the low pressure multi-functional position directly sprays the deashing device setting; 40, gas bag; 41, valve plate; 42, the first driving mechanism; 43 second driving mechanisms; 44, injection tube; 50, card; 51, filter bag; 6, cyclone dust collectors; 7, connect airduct; 8, sack cleaner; 9, by-passing valve; 10, lift valve.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
The straight spray of a kind of biomass fuel boiler cylinder bag-type whirlwind combination deduster as shown in Figure 1, 2, comprise at least one deduster cylindrical shell, be connected with blast pipe, discharge pipe and ash bucket on the cylindrical shell, ash bucket is arranged on the bottom of cylindrical shell, is provided with filter bay assembly in the cylindrical shell.Deduster is take cylindrical shell as independent filter element, may be used alone, can also be used in combination for than the Wind Volume occasion.
Specifically: blast pipe is connected to the top of cylindrical shell, the center line of blast pipe and cylindrical shell axial line are perpendicular, blast pipe is tangent with cylindrical shell and be connected with cylindrical shell around behind 180 ° of its outer walls, be tangential 180 ° and screw on air intake, like this, make dust-contained airflow more smooth-going evenly, the airless dead angle, filter bag is safer, has compact conformation, high efficiency, lower resistance, energy-conservation advantage; Simultaneously, upper air inlet guarantees that airflow direction is consistent with the dust settling direction, improves the ash-removal effect of deduster, has reduced running resistance, has improved the life-span of filter bag.
Filter bay assembly comprises and is arranged on the bag cage on the card and is arranged on filter bag on bag cage that supporting filter bag can grow to 14 meters, Effective Raise the compactedness of deduster, supporting low pressure multi-functional position directly sprays deashing device and is arranged on card top, it comprises:
Gas bag: gas bag is arranged on the card rotationally, one end of one air inlet hollow shaft and source of the gas can be tightly connected with relatively rotating, the other end extends in the gas bag, be evenly equipped with a plurality of injection tubes around the air inlet hollow shaft on the gas bag, one end of injection tube is fixedly connected with gas bag, and the other end extends to the sack of corresponding filter bag;
Valve plate: valve plate can be arranged in the gas bag rotationally, is fixedly connected with the end of air inlet hollow shaft, and valve plate is provided with a passage, and passage can be connected with injection tube;
The first driving mechanism: the first driving mechanism can drive gas bag and rotate;
The second driving mechanism: the second driving mechanism can drive valve plate rotate.
The filter bag grouping is arranged on and consists of a plurality of winding-ups zone on the card, the filter bag in each winding-up zone all can match with injection tube, the first driving mechanism makes gas bag after rotating predetermined angular, and injection tube can forward the position of matching with next one winding-up zone to together along with gas bag.
When deashing is carried out in a winding-up zone, a large amount of blowing gas in the gas bag spray in the filter bag for the treatment of deashing via injection tube, and produce one from top to bottom balanced outside shock wave in the whole process of filter bag, make the filtrate of whole filter bag finish the deashing that the expands outwardly motion of a general equilibrium, simultaneously a large amount of low pressure blowing gas finish a general equilibrium expand outwardly motion after, some low pressure blowing gas can penetrate the filtrate of filter bag, finish the secondary deashing operation of the filtrate deep layer that pulse jetting deashing mechanism can't realize, and then finish deashing.The first driving mechanism drives gas bag and rotates, injection tube can forward the position of matching with next one winding-up zone to together along with gas bag, carry out deashing described above, its concrete structure and operation principle are the Chinese patent " the low-pressure multi-station direct-spraying deashing device of sack cleaner " of " 201342295 " with reference to publication number, no longer give unnecessary details at this.
It has the following advantages:
1, filter bag independent deashing one by one is different from conventional many filter bags of a pulse valve blowing;
2, all filter bag ash removal energy all are impartial, and it is uneven to be different from conventional filter bag ash removal;
3, the pulse dust cleaning system has the characteristics of high energy, atm number, low jetting pressure;
4, only need online ash removal to get final product, need not off-line ash-clearing, reduce structure and the cost of dedusting;
5, has deashing energy more than 5 times with respect to other normal pulsed valves.
In addition, be provided with by-pass collar on the blast pipe, be used for accident or emergent smoke directly ventilating passage, by-pass collar generally comprises bypass line, is arranged on the by-passing valve on the bypass line, and bypass line connects blast pipe, discharge pipe.As surpass (180 degree) when inlet flue gas, bypass valve is opened, and high-temperature flue gas directly arrives discharge pipe from blast pipe, filters without filter bag, and the protection filter bag is not burnt by high-temperature flue gas; Perhaps when cylindrical shell keeps in repair, also can open by-passing valve.In order to prevent the leakage of bypath system dust, airtight blower fan need be set.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (6)
1. deduster is directly sprayed in a biomass fuel boiler cylinder bag-type whirlwind combination, comprise at least one deduster cylindrical shell, be connected with blast pipe, discharge pipe and ash bucket on the described cylindrical shell, described ash bucket is arranged on the bottom of described cylindrical shell, be provided with filter bay assembly in the described cylindrical shell, it is characterized in that: described blast pipe is connected to the top of described cylindrical shell, the center line of described blast pipe and described cylindrical shell axial line are perpendicular, and described blast pipe is tangent with described cylindrical shell and around being connected with described cylindrical shell behind its outer wall one segment distance; Described filter bay assembly is provided with the low pressure multi-functional position and directly sprays deashing device.
2. deduster is directly sprayed in biomass fuel boiler cylinder bag-type whirlwind combination according to claim 1, it is characterized in that: described blast pipe is rear coupled logical around tangent outer wall 180 degree of described cylindrical shell.
3. the straight spray of biomass fuel boiler cylinder bag-type whirlwind according to claim 2 combination deduster is characterized in that: described filter bay assembly comprises the card that is arranged on described inner barrel, be arranged on the bag cage on the described card and be arranged on filter bag on the described bag cage.
4. deduster is directly sprayed in biomass fuel boiler cylinder bag-type whirlwind combination according to claim 3, and it is characterized in that: described low pressure multi-functional position directly sprays deashing device and is arranged on described card top, and it comprises:
Gas bag: described gas bag is arranged on the described card rotationally, one end of one air inlet hollow shaft and source of the gas can be tightly connected with relatively rotating, the other end extends in the described gas bag, be evenly equipped with a plurality of injection tubes around described air inlet hollow shaft on the described gas bag, one end of described injection tube is fixedly connected with described gas bag, and the other end extends to the sack of corresponding described filter bag;
Valve plate: described valve plate can be arranged in the described gas bag rotationally, is fixedly connected with the end of described air inlet hollow shaft, and described valve plate is provided with a passage, and described passage can be connected with described injection tube;
The first driving mechanism: described the first driving mechanism can drive described gas bag and rotate;
The second driving mechanism: described the second driving mechanism can drive described valve plate and rotate.
5. deduster is directly sprayed in biomass fuel boiler cylinder bag-type whirlwind combination according to claim 1, it is characterized in that: be provided with by-pass collar on the described blast pipe, described by-pass collar comprises bypass line, is arranged on the by-passing valve on the described bypass line.
6. deduster is directly sprayed in biomass fuel boiler cylinder bag-type whirlwind combination according to claim 1, and it is characterized in that: the length of described filter bag is 12-14m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220561981 CN202893138U (en) | 2012-10-30 | 2012-10-30 | Circular-barrel cyclone bag-type combined direct-injection dust remover for biomass fuel boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220561981 CN202893138U (en) | 2012-10-30 | 2012-10-30 | Circular-barrel cyclone bag-type combined direct-injection dust remover for biomass fuel boiler |
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| Publication Number | Publication Date |
|---|---|
| CN202893138U true CN202893138U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220561981 Expired - Lifetime CN202893138U (en) | 2012-10-30 | 2012-10-30 | Circular-barrel cyclone bag-type combined direct-injection dust remover for biomass fuel boiler |
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| CN (1) | CN202893138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706213A (en) * | 2013-12-23 | 2014-04-09 | 科林环保装备股份有限公司 | Cyclone bag dust collector device |
-
2012
- 2012-10-30 CN CN 201220561981 patent/CN202893138U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706213A (en) * | 2013-12-23 | 2014-04-09 | 科林环保装备股份有限公司 | Cyclone bag dust collector device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160829 Address after: Split eight communities in Wujiang District of Suzhou City, Jiangsu province 215000 Patentee after: KELIN ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Address before: Songling town of Wujiang city Suzhou city Jiangsu province 215222 split eight community traffic road No. 8 Patentee before: Kelin Environmental Protection Equipment, Inc. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |
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| CX01 | Expiry of patent term |