CN207552268U - A kind of biomass pyrolytic air purifying apparatus - Google Patents
A kind of biomass pyrolytic air purifying apparatus Download PDFInfo
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- CN207552268U CN207552268U CN201721687809.1U CN201721687809U CN207552268U CN 207552268 U CN207552268 U CN 207552268U CN 201721687809 U CN201721687809 U CN 201721687809U CN 207552268 U CN207552268 U CN 207552268U
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- prefiltration
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- air purifying
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Abstract
The utility model discloses a kind of biomass pyrolytic air purifying apparatus.Biomass pyrolytic air purifying apparatus includes prefiltration unit and smart filter element；Prefiltration unit is the cavity of closing, includes epimere, stage casing and hypomere successively from top to bottom；Nozzle, water inlet pipe connection nozzle are equipped in epimere, prefiltration gas exports the top for being arranged on nozzle；Ring pipe is equipped in hypomere, side wall is equipped with air inlet and grease exports, and bottom is equipped with slag-drip opening, and ring pipe is connected with air inlet, and ring pipe is equipped with multiple micropores；Smart filter element is the cavity of closing, including the import of prefiltration gas and gas outlet, the interior filter layer being equipped between the import of prefiltration gas and gas outlet of cavity；The prefiltration gas import of the smart filter element of prefiltration gas outlet connection of prefiltration unit.The biomass pyrolytic air purifying apparatus of the utility model, it is simple in structure, bubbling water-bath and spray process have been coupled, it is easy to operate, go tar removing effect good.
Description
Technical field
The utility model belongs to pyrolysis plant technical field more particularly to a kind of novel pyrolysis gas of biomass purification dress
It puts.
Background technology
Biomass is to include the general name of the combustible organics such as stalk, forest tree castoff, edible fungi residues, cattle and sheep animal manure.Biology
Mass-energy, by a series of switch technology, produces the high product such as solid, liquid, gas using being by means such as heat chemistry, biochemistries
Substitute fossil fuels are carried out in potential energy source, and the production of the terminal energy sources such as electric power, traffic fuel, thermal energy, combustion gas is provided for human being's production, life
Product.
The constituent class sapropelitic gas of biomass-pyrolysis fuel gas, is mainly made of carbon monoxide, hydrogen, carbon dioxide, nitrogen etc.,
At home and abroad biological fuel gas still has more Pinch technology not capture at present, as tar content is big, ash content and moisture removal be not thorough
Bottom etc..The biomass gasification device established at this stage all there are problems that in the process of running, mainly generated synthesis
Containing 1% to 10% tar in gas, they are condensed on the inlet device of boiler, pipeline and internal combustion engine, affect equipment
Normal operation.Existing some areas establish some straw gasification devices, but because the removing sulfuldioxide of tar is immature at present, tar
Caused environmental pollution increasingly causes the concern of society and government department, and the tar generated in biomass gasification process has become
The serious restriction that biomass gasification technology is promoted.
The method of existing biomass gas purifying has pyrolysismethod, catalystic pyrolysis and electrostatic decoking method etc..Use pyrolysismethod
Decontamination of biological matter combustion gas, required temperature consume a large amount of energy, and generate fume pollution more than 1000 DEG C.Tar catalysis is split
The fuel gas such as tar conversion can be carbon monoxide by solution, hydrogen and methane increase fuel gases calorific value, non-environmental-pollution, but should
Method is only suitable for the gasification installation of ultra-large type continuous operation, and conventional biological fuel gas equipment should not be configured.Electrostatic decoking rule needs
The problems such as considering explosion-proof and coke cleaning.
For existing biological fuel gas equipment, the condensation impurity removal process of combustion gas need to be improved, improve process tars
Removal rate and combustion gas recovery utilization rate.
Utility model content
To solve the above-mentioned problems, the utility model is intended to provide a kind of biomass pyrolytic air purifying apparatus, the device
Simple in structure, easy to operate, stable equipment operation is reliable, by prefiltration and the combination of essence filtering, substantially increases going for tar
Except effect.
One of the purpose of this utility model is to provide a kind of biomass pyrolytic air purifying apparatus, including prefiltration unit and
Smart filter element；
The prefiltration unit is the cavity of closing, includes epimere, stage casing and hypomere successively from top to bottom；In the epimere
Equipped with nozzle, water inlet pipe connects the nozzle, and prefiltration gas exports the top for being arranged on the nozzle；Ring is equipped in the hypomere
Shape pipe, side wall is equipped with air inlet and grease exports, and bottom is equipped with slag-drip opening, and the ring pipe is connected with air inlet, the ring
Shape pipe is equipped with multiple micropores；
The essence filter element is the cavity of closing, and including the import of prefiltration gas and gas outlet, position is equipped in cavity
Filter layer between the prefiltration gas import and gas outlet；
The prefiltration gas import of the prefiltration gas outlet connection smart filter element of the prefiltration unit.
As the preferred scheme of the utility model, the middle part in the stage casing of the prefiltration unit is shunk to axis.
In some embodiments of the utility model, the stage casing of the prefiltration unit is spiral shape.
Further, the prefiltration unit further includes oil water separator；The oil water separator is equipped with grease import, goes out
The mouth of a river and oil outlet, the grease outlet of the hypomere connect the grease import of the oil water separator.
Further, the water outlet of the oil water separator connects the water inlet pipe.
In some embodiments of the utility model, the aperture of micropore is 1~10mm on the ring pipe.
The another object of the utility model be to provide it is a kind of utilize above-mentioned biomass pyrolytic air purifying apparatus carry out pyrolysis gas
The method of purification, includes the following steps：
A, it is supplied water from water inlet pipe to nozzle, what the nozzle sprayed drops down onto hypomere under water, when water did not had ring pipe, passes through
Pyrolysis gas is passed through the ring pipe by air inlet；
B, the pyrolysis gas is discharged by the micropore of the ring pipe, and bubbling water-bath is carried out in the hypomere, forms bubbling
Gas, oil water mixture and tar, the oil water mixture are exported by the grease and discharged, and the tar is discharged by slag-drip opening；
C, the bubbling gas rises, and the water in the whereabouts sprayed with the nozzle contacts, and forms prefiltration gas；
D, the prefiltration gas is passed through smart filter element, by the filtering of filter layer, forms combustion gas.
As a preferred option, the method for the utility model further includes step：The oil water mixture is sent into grease point
It is detached from device, obtains water purification and separation oil.
Further, the part water purification is passed through the water inlet pipe.
In some embodiments of the utility model, double medium filtration is filtered into the essence filter element.
Biomass pyrolytic air purifying apparatus provided by the utility model, spray process and bubbling water-bath are combined, carried significantly
High biomass pyrolytic air purifying apparatus tar removing, the ability of dedusting；The stage casing of prefiltration unit is smaller than the sectional area of epimere, carries
The high mass-transfer efficiency of water and gas, convenient for preferably removing tar removing；Using oil water separator by water-oil separating, water purification is recycled,
Save water resource；Smart filtering will be carried out again by the gas of prefiltration, greatly improve the removal rate of tar.
Description of the drawings
Fig. 1 is the prefiltration cellular construction figure of the utility model embodiment.
Fig. 2 is the smart filter element structure chart of the utility model embodiment.
Specific embodiment
Below in conjunction with drawings and examples, specific embodiment of the present utility model is described in more details, with
Just the advantages of better understood when the embodiment of the utility model and its various aspects.However, specific implementations described below side
Formula and embodiment are for illustrative purposes only rather than the limitation to the utility model.
" connection " described in the utility model unless otherwise specific regulation or is limited, should be broadly understood, Ke Yishi
It is connected directly or is connected by intermediary.In the description of the present invention, it is to be appreciated that " on ",
" under ", "front", "rear", "left", "right", " top ", the orientation of the instructions such as " bottom end " or position relationship be based on shown in the drawings
Orientation or position relationship are for only for ease of description the utility model and simplify description rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the utility model
Limitation.
The utility model embodiment provides a kind of biomass pyrolytic air purifying apparatus, is filtered including prefiltration unit and essence
Unit.Pass through the cooperation of prefiltration unit and smart filter element so that pyrolysis gas can carry out multiple times of filtration, greatly improve life
Material pyrolysis air purifying apparatus goes the efficiency of tar removing and dust, significantly reduces the tar content in combustion gas.Pyrolysis gas first passes through
Prefiltration unit, by bubbling water-bath and the effect of spray condensation, most of organic matter of the inside is condensed in water, uncooled
Gas finally by the effect of particular filter layer in smart filter element, processing requirement is fully achieved in the combustion gas of discharge.
As shown in Figure 1, prefiltration unit is the cavity of closing, include epimere 1, stage casing 2 and hypomere 3 successively from top to bottom,
The bottom of epimere 1 and the top of hypomere 3 are open, are connected epimere 1 with hypomere 3 by the stage casing 2 of perforation.
Nozzle 11 is equipped in the cavity of epimere 1,12 one end of water inlet pipe is located at the outside of epimere 1, and the other end stretches into epimere 1
It is connected in cavity with nozzle 11.The water of water inlet pipe 12 is sprayed by nozzle 11, and multiple nozzles are staggered so that nozzle 11 sprayed
Water can be covered with the cross section of epimere 1.Epimere 1 is equipped with prefiltration gas and exports 13, and prefiltration gas outlet 13 is arranged on nozzle 11
Top, filtered gas pass through 13 discharge of prefiltration gas outlet.
Hypomere 3 plays the role of water storage, a similar water tank, is equipped with ring pipe 32 in hypomere 3, ring pipe 32 is coiled in down
The intracavitary of section 3, in vertical height, ring pipe 32 is located at the lower part of hypomere 3.Ring pipe 32 is equipped with multiple micropores (in figure not
Show), it is preferred that the aperture of micropore is 1~10mm.The side wall of hypomere 3 is equipped with air inlet 31 and grease outlet 33, and bottom is set
There is slag-drip opening 34, ring pipe 32 is connected with air inlet 31.
Stage casing 2 plays the role of connecting to epimere 1 with hypomere 3, and the water that nozzle 1 sprays falls into hypomere 3 by stage casing 2.It is excellent
Choosing, the middle part in stage casing 2 is shunk to axis, i.e., stage casing 2 forms necking, in Fig. 1, the vertical cross-section in stage casing 2 to middle shrinkage
For hyperbola.Another embodiment is to design in stage casing 2 helically.The contacting efficiency of liquids and gases can be improved in this way
And mass-transfer efficiency, be conducive to preferably remove tar removing.The connection of stage casing 2 and epimere 1 can be dismountable, convenient for the peace of component
Dress repair.
High-temperature gas containing a large amount of tar enters ring pipe 32 through air inlet 31, is discharged by the micropore of ring pipe 32.Under
Water in section 3 did not had ring pipe 32 so that after gas discharge ring pipe 32, bubbling shower is carried out, most of tar condensing sinks,
Partial organic substances and dust are mixed to form oil water mixture with water, and the gas of filtering then rises, into stage casing 2.The tar of bottom
It is discharged by slag-drip opening 34, oil water mixture is by 32 discharge of grease outlet.The gas of rising is contacted with the water purification that nozzle sprays, into one
Step ground carries out spray filtering, to remove tar removing and dust.Gas continues to rise, and is discharged by prefiltration gas outlet 13, whereabouts
Water is then fallen into hypomere 3, and the water in hypomere 3 is supplemented.
In some embodiments, prefiltration unit further includes oil water separator 4, oil water separator 4 be equipped with grease import 41,
Water outlet 42 and oil outlet 43, the grease import 41 of the 33 connection oil water separator of grease outlet of hypomere.The grease that hypomere 3 is discharged
Mixture enters oil water separator 4, carries out water-oil separating, obtains water purification and separation oil, and separation oil is recycled.This implementation
The oil water separator 4 of example selects simple sloping plate deposition separator, and the utility model is not restricted this.Preferably, it is oily
The water outlet 42 of separator connects water inlet pipe 12, and the water purification isolated can be recycled, and reduce the usage amount of water.If also have
Remaining water purification can be discharged by the second water outlet 44, carry out other utilizations.
Oil water mixture is handled using oil water separator 4, grease can be recycled respectively, avoid current purification system
System will spray remaining water directly as sewage disposal, and the sewage containing tar can bring serious secondary pollution problem, simultaneously
The loss of a large amount of tar will also result in the waste of energy.
As shown in Fig. 2, smart filter element is the cavity of closing, prefiltration gas import 51, top are equipped in the bottom of cavity
Equipped with gas outlet 52, the prefiltration gas import 51 of the smart filter element of 13 connection of prefiltration gas outlet of prefiltration unit.Smart mistake
The top of filter unit may be configured as dismountable end socket 53, convenient for the cleaning and installation of internal part.Filtering is equipped in cavity
Layer 54, filter layer 54 need to be arranged between prefiltration gas import 51 and gas outlet 52 so that gas must by filter layer 54,
Further to be filtered to gas.The prefiltration gas of prefiltration unit discharge enters smart filter element, carries out accurate mistake
Filter so that combustion gas meets requirement.
In the present embodiment, smart filter element is equipped with upper and lower two filter layers 54, and the filter layer of lower floor is due to apart from prefiltration
Gas import 51 is relatively near, and easy adsorption saturation can replace filter layer after saturation.The material of filter layer preferably has strong adsorption capacity
Degradation material, material for cellulose acetate, plasticizing cellulose acetate, polyvinyl alcohol, regenerated cellulose or polyamide
The one or more of ester.The filter layer 54 of strong adsorption capacity so that tar content is less than 50mg/Nm in the combustion gas after filtering3, significantly
Improve the efficiency for removing tar removing.The filter layer of replacement can enter biomass pyrolysis device as raw material, recycle.
On the other hand, the utility model embodiment offer is a kind of is pyrolyzed using above-mentioned biomass pyrolytic air purifying apparatus
The method of gas purification, includes the following steps：
1st, it is supplied water from water inlet pipe to nozzle, what nozzle sprayed drops down onto hypomere under water, when water did not had ring pipe, passes through air inlet
Pyrolysis gas is passed through ring pipe by mouth.The biomass pyrolytic air purifying apparatus of the present embodiment is for biomass gasified gas, biomass fuel
Burning gas etc. can also be handled.
2nd, pyrolysis gas is discharged by the micropore of ring pipe, and bubbling water-bath is carried out in hypomere, forms bubbling gas, oil water mixture
And tar, oil water mixture are exported by grease and discharged, tar is discharged by slag-drip opening.
3rd, bubbling gas rises, and the water in the whereabouts sprayed with nozzle contacts, and further filters, and forms prefiltration gas.
4th, prefiltration gas is passed through smart filter element, by the filtering of filter layer, forms combustion gas.In some embodiments,
Double medium filtration is filtered into smart filter element.
5th, oil water mixture feeding oil water separator is detached, obtains water purification and separation oil.
6th, partially purifying water is passed through water inlet pipe, is used as recirculated water.
During pyrolysis gas is purified, the water level in hypomere is no more than the 1/2 of hypomere height.
The present embodiment is biomass pyrolytic air purifying apparatus, and coupling is condensed using two-step purification, and by bubbling water-bath and spray
It closes, simple in structure, easy detachable, good purification.The material materials of filter layer are extensive, at low cost, conducive to large-scale use.
Embodiment 1
In the present embodiment, the nozzle installed in epimere is industrial spray equipment, and the junction of stage casing and epimere is a diameter of
φ 200mm, the middle part in stage casing are shunk to axis, a diameter of φ 100mm at most narrow place, a diameter of φ in stage casing and hypomere junction
200mm, a diameter of φ 200mm of hypomere, the water level in hypomere are the 1/2 of hypomere height.The aperture of micropore is on ring pipe
5mm, oil water separator use sloping plate deposition separator.Filter layer material in smart filter element is modified cellulose acetate,
Loading density is 500kg/m3。
2kg bamboos are pyrolyzed 3h at 600 DEG C, and the temperature of the high temperature pyrolysis gas of output is 400~600 DEG C.Purify pyrolysis gas
Technique it is as follows：
1st, it is supplied water from water inlet pipe to nozzle, what nozzle sprayed drops down onto hypomere under water, when water did not had ring pipe, passes through air inlet
Pyrolysis gas is passed through ring pipe by mouth.
2nd, pyrolysis gas is discharged by the micropore of ring pipe, and bubbling water-bath is carried out in hypomere, forms bubbling gas, oil water mixture
And tar, oil water mixture are exported by grease and discharged, tar is discharged by slag-drip opening.
3rd, bubbling gas rises, and the water in the whereabouts sprayed with nozzle contacts, and further filters, and forms prefiltration gas, first mistake
The temperature of air filtration is 75 DEG C, and the content of tar is 300mg/Nm3。
4th, prefiltration gas is passed through smart filter element, with the rate of 5L/min by filter layer, forms combustion gas.The temperature of combustion gas
50 DEG C of degree, tar content 40mg/Nm3。
5th, oil water mixture feeding oil water separator is detached, obtains water purification and separation oil.
6th, partially purifying water is passed through water inlet pipe, is used as recirculated water.
It should be noted that it is only to illustrate the utility model rather than limit above by reference to the described each embodiment of attached drawing
The scope of the utility model processed, it will be understood by those of ordinary skill in the art that, in the spirit and model for not departing from the utility model
The modification to the utility model progress or equivalent replacement, should all cover within the scope of the utility model under the premise of enclosing.
In addition, signified outer unless the context, the word occurred in the singular includes plural form, and vice versa.In addition, except non-specifically
Explanation, then all or part of of any embodiment can be used with reference to all or part of of any other embodiment.
Claims (6)
1. a kind of biomass pyrolytic air purifying apparatus, which is characterized in that including prefiltration unit and smart filter element；
The prefiltration unit is the cavity of closing, includes epimere, stage casing and hypomere successively from top to bottom；It is equipped in the epimere
Nozzle, water inlet pipe connect the nozzle, and prefiltration gas exports the top for being arranged on the nozzle；Annular is equipped in the hypomere
Pipe, side wall is equipped with air inlet and grease exports, and bottom is equipped with slag-drip opening, and the ring pipe is connected with air inlet, the annular
Pipe is equipped with multiple micropores；
The essence filter element is the cavity of closing, including the import of prefiltration gas and gas outlet, is equipped in cavity and is located at institute
State the filter layer between the import of prefiltration gas and gas outlet；
The prefiltration gas import of the prefiltration gas outlet connection smart filter element of the prefiltration unit.
2. biomass pyrolytic air purifying apparatus according to claim 1, which is characterized in that the stage casing of the prefiltration unit
Middle part to axis shrink.
3. biomass pyrolytic air purifying apparatus according to claim 1, which is characterized in that the stage casing of the prefiltration unit
For spiral shape.
4. biomass pyrolytic air purifying apparatus according to claim 1, which is characterized in that the prefiltration unit is further
Including oil water separator；
The oil water separator is equipped with grease import, water outlet and oil outlet, and the grease outlet of the hypomere connects the grease
The grease import of separator.
5. biomass pyrolytic air purifying apparatus according to claim 4, which is characterized in that the water outlet of the oil water separator
Mouth connects the water inlet pipe.
6. biomass pyrolytic air purifying apparatus according to claim 1, which is characterized in that the hole of micropore on the ring pipe
Diameter is 1~10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721687809.1U CN207552268U (en) | 2017-12-07 | 2017-12-07 | A kind of biomass pyrolytic air purifying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721687809.1U CN207552268U (en) | 2017-12-07 | 2017-12-07 | A kind of biomass pyrolytic air purifying apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN207552268U true CN207552268U (en) | 2018-06-29 |
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ID=62666085
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721687809.1U Expired - Fee Related CN207552268U (en) | 2017-12-07 | 2017-12-07 | A kind of biomass pyrolytic air purifying apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112920831A (en) * | 2019-12-08 | 2021-06-08 | 和惠优尼环境科技（北京）有限公司 | High-temperature oil gas condenser for pyrolysis of oily sludge |
-
2017
- 2017-12-07 CN CN201721687809.1U patent/CN207552268U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112920831A (en) * | 2019-12-08 | 2021-06-08 | 和惠优尼环境科技（北京）有限公司 | High-temperature oil gas condenser for pyrolysis of oily sludge |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180629 Termination date: 20181207 |