CN201424465Y - Marsh gas desulfurizing tower - Google Patents

Marsh gas desulfurizing tower Download PDF

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Publication number
CN201424465Y
CN201424465Y CN200920108286XU CN200920108286U CN201424465Y CN 201424465 Y CN201424465 Y CN 201424465Y CN 200920108286X U CN200920108286X U CN 200920108286XU CN 200920108286 U CN200920108286 U CN 200920108286U CN 201424465 Y CN201424465 Y CN 201424465Y
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CN
China
Prior art keywords
layer
desulfurization tower
circulating water
water channel
biogas desulfurization
Prior art date
Application number
CN200920108286XU
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Chinese (zh)
Inventor
王少艮
俞彬
陈广升
杨莎莎
Original Assignee
北京美华博大环境工程有限公司
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Priority to CN200920108286XU priority Critical patent/CN201424465Y/en
Application granted granted Critical
Publication of CN201424465Y publication Critical patent/CN201424465Y/en

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Abstract

The utility model relates to a gas desulfurizing and dehydrating device, in particular to a marsh gas desulfurizing tower, which comprises an air inlet, an air outlet, and a circulating water channel,a gas distributing layer, a packing layer and a defogging layer arranged from the bottom to the top in sequence, wherein a spray device is arranged above the packing layer; at least one gas distributing device is arranged in the gas distributing layer; and packing materials are arranged in the packing layer. The utility model has the advantages of simple and reliable process adopting wet desulphurization, excellent purification effect with more than 99% of the clearance for H2S, strong perturbation between gas and liquid, small absorbing resistance, stable and elastic operation, simple structure, convenient manufacturing and maintenance, low cost, scaling resistance, blocking resistance, abrasion resistance, corrosion resistance, low energy consumption and small occupation.

Description

The biogas desulfurization tower
Technical field
The utility model relates to a kind of gas sweetening, dewatering unit.
Background technology
Along with country is more and more higher to the requirement of industrial wastewater discharge, in order to reach emission standard and to reduce the wastewater treatment expense, adopted after the anaerobic treatment technology, not only saved electric energy greatly, also can obtain simultaneously its byproduct-biogas.The utilization of biogas launches around its heat production ability basically, as is used for various microburners, boiler, gas electricity generator etc.Substitute traditional fuel with biogas, not only clean but also convenient, and to conserving forests and the ecology recovering environment has direct promoter action.
But the hydrogen sulfide that in biogas, contains some amount, hydrogen sulfide is a kind of sour gas, at biogas during as energy utilization, require the concentration of hydrogen sulfide (H2S) to be lower than 20mg/m3, otherwise to gas pipe line, opening-closing valve, instrument with utilize equipment (as boiler, methane fuelled engine etc.) that corrosive nature is arranged, it is very inconvenient directly utilizing, and need carry out pre-treatment.
There are a lot of apparatus and method to solve biogas at present and manage problem in advance, but the apparatus structure complexity of often using, operational difficulty, the various difficult realization of method steps, and remove desulfurization, the efficient of dehydration is lower, also need repeatedly handle.
Summary of the invention
The objective of the invention is to avoid the deficiencies in the prior art that a kind of biogas desulfurization tower is provided, it is simple in structure, desulfurization, dewatering efficiency height.
For achieving the above object, the technical scheme that the present invention takes is: a kind of biogas desulfurization tower includes inlet mouth, the air outlet, also be provided with circulating water channel, cloth gas-bearing formation, packing layer, demist layer from the bottom to top successively, above described packing layer, also be provided with spray equipment; In described cloth gas-bearing formation, be provided with at least one distribution device; In described packing layer, be provided with packing material.
Further, above described packing layer, also be provided with the demist layer, be provided with at least one demister in the demist layer.If the biogas behind the depriving hydrogen sulphide adopts wet storage holders to store, then can save the demist layer.
Further, described packing material is that polypropylene or pvc material are made.It is big that it has specific surface area, and low pressure loss, and material transfers high characteristic has high processing efficient to reach lower running expense compared to the fillings material of other type.
Further, described distribution device is an air distribution plate, air distribution plate is that to be that 4~6mm round steel is evenly distributed form for 6~10mm, diameter by spacing, such air distribution plate operated by rotary motion is on the upper strata of cloth gas-bearing formation, and it arranges evenly gas further to the gas cutting, and the form on upper strata, can prevent effectively that filler from stopping up pore, except gas distribution, also play the effect of supporting filler.
Further, described distribution device is an air distribution plate, and air distribution plate is provided with the pore that the aperture is 8~12mm.
Further, the hole on the described air distribution plate is provided with on air distribution plate ringwise, and the quantity in the hole on the annular increases progressively from inside to outside, and increasing progressively quantity is 1~5, and spacing is 40~80mm between ring and the ring.
Further, described demister is the demist plate, and the demist plate is to be made by polypropylene or pvc material.
Further, described circulating water channel top is provided with the recirculated water inlet, is provided with water port below circulating water channel, in described circulating water channel alkaline liquid is housed; Also be provided with float-type liquid level controller and overflow port in the described circulating water channel.Circulating water channel and thionizer body are one.Described float-ball type liquid level control action kou is to measure the liquid level of circulation fluid, and high liquid level and low liquid level are arranged, and high liquid level will be a little less than the overflow port height, the each amount of mending circulation fluid of control, low liquid level is the minimum liquid level of pump operation, the start-stop of control pump, and low liquid level needs replenishment cycles liquid.
Further, in described circulating water channel, also be provided with the PH proofing unit.
Further, be provided with at least one shower in the cavity of described spray equipment above described device packing layer, shower is provided with at least one nozzle; Described spray equipment is connected with the recirculated water tank by volume pump.Its major function is that the circulation alkaline liquid that is used in the circulation tank is sprayed on the described packing material, nozzle has the obstruction of being difficult for, spray angle is big, and the even characteristic of droplet distribution, make thionizer can bring into play maximum treatment effect, described nozzle can adopt BETE FULL CONE pattern nozzle commonly used.
Above described cloth gas-bearing formation, also be provided with manhole, manhole is connected with packing layer, and manhole also can be used as discharge opening.
Because hydrogen sulfide is acidic substance, so available alkaline absorption solution is removed.The biogas that contains hydrogen sulfide is during by thionizer, and packed absorber captures hydrogen sulfide in the liquid,, with the basic solution neutralization, removes from air then by wet absorption attached to the hydrogen sulfide molecule on the particulate matter.
The beneficial effects of the utility model are: thionizer adopts wet desulphurization, simple and reliable process; Good purification gets clearance to H2S and can reach more than 99%; Disturbance is strong between gas-liquid, and it is little to absorb resistance; Stable operation is operated flexible; Simple in structure, manufacturing and easy to maintenance, cheap; Non-scaling does not stop up, and is wear-resistant, corrosion-resistant; Energy consumption is low, takes up an area of few.
Description of drawings
Fig. 1 is a cross-sectional schematic of the present utility model;
Fig. 2 is a distribution device structural representation of the present utility model;
Fig. 3 is a upper strata of the present utility model distribution device structural representation.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
As Fig. 1, Figure 2 shows that the biogas desulfurization tower that the utility model provides, it includes inlet mouth 1, and air outlet 6 also is provided with circulating water channel 11, cloth gas-bearing formation 2, packing layer 3, demist layer 5 from the bottom to top successively, also is provided with spray equipment 4 above described packing layer; In described cloth gas-bearing formation 2, be provided with at least one distribution device; In described packing layer 3, be provided with packing material.Above described packing layer 3, also be provided with demist layer 5, be provided with at least one demister in the demist layer 5.Described packing material is polypropylene or pvc material.The distribution device that in described cloth gas-bearing formation 2, is provided with, its upper strata distribution device is that 6mm, diameter are the 4mm round steel 22 evenly distributed air distribution plates of forming by spacing, the distribution device that is provided with in its lower floor is that to be provided with the aperture on air distribution plate be 10mm pore 21, pore 21 on the described air distribution plate is provided with on air distribution plate ringwise, the quantity in the hole on the annular increases progressively from inside to outside, increasing progressively quantity is 4, and spacing is 80mm between ring and the ring.Be provided with in the described demist layer 5 at least that one deck demister is the demist plate, the demist plate is to be made by polypropylene or pvc material.The clearance of aqueous vapor all can reach 99%.Described circulating water channel 11 tops are provided with recirculated water inlet 8, are provided with water port 9 below circulating water channel 11, in described circulating water channel 11 alkaline liquid are housed.Also be provided with float-type liquid level controller 13 and overflow port 12 in the described circulating water channel.Circulating water channel 11 is an one with the thionizer body, and the capacity of tank is about the quantity of circulating water of 5min.In described circulating water channel 11, also be provided with PH proofing unit 14.Be provided with at least one shower 41 in the cavity of described spray equipment 4 above described device packing layer 3, shower is provided with at least one nozzle 42; Described spray equipment 4 is connected with recirculated water tank 11 by volume pump 10.Above described cloth gas-bearing formation 2, also be provided with manhole 15, manhole 15 is connected with packing layer 3, and manhole 15 also can be used as discharge opening.
The biogas that anaerobically fermenting produces has certain pressure through behind the water-sealed tank, can satisfy the intake pressure of thionizer, can not need to establish specially to induced draft fan to send thionizer.The biogas that contains hydrogen sulfide enters thionizer by inlet mouth 1, by the even gas distribution of distribution device in the cloth gas-bearing formation 2, air distribution plate divides two-layer, the size of low layer air distribution plate pore and quantity can change with the increase and decrease of tolerance, thereby make gas distribution more even, the upper strata air distribution plate also is that packing layer 3 is played a supportive role except gas distribution.The material of packing layer 3 is polypropylene or polyvinyl chloride, and it is big to have specific surface area, low pressure loss, and material transfers high characteristic, contains the alkaline liquid that the hydrogen sulfide in the biogas is attached on particulate matter and absorbs neutralization reaction, remove the hydrogen sulfide in the biogas, reach the purpose of desulfurization.This moment, clean biogas contained certain moisture, can remove by demist layer 5, and material is polypropylene or polyvinyl chloride, and the clearance of aqueous vapor all can reach 99%.Last biogas is 6 discharges from the air outlet.
The thionizer bottom is a circulating water channel 11, and float-type liquid level controller 13 is established in circulating water channel 11 inside, is provided with the recirculated water inlet 8 and the discharging mouth of a river 9 at circulating water channel 11 upper and lowers.The alkali lye of circulating water channel 11 is promoted to spray equipment 4 by volume pump 10, after the nozzle 42 of spray equipment 4 sprays alkali lye, alkali lye is adsorbed on the packing layer 3, after packing layer 3 is saturated, along with continuous spray alkali lye, part flows in the circulating water channel 11 with hydrogen sulfide neutral alkali lye, by continuous circulation, makes neutralization reaction continue to carry out.Also be provided with PH proofing unit 14 in the circulating water channel 11, when the pH in the circulating water channel near 7 the time, need to replenish alkali lye, and discharge unit recirculated water.
Embodiment 2, identical with embodiment 1, different is the distribution device that is provided with in described cloth gas-bearing formation 2, its upper strata distribution device is that 10mm, diameter are the 6mm round steel 22 evenly distributed air distribution plates of forming by spacing, the distribution device that is provided with in its lower floor is that to be provided with the aperture on air distribution plate be 8mm pore 21, and the pore 21 on the described air distribution plate is provided with on air distribution plate ringwise, and the quantity in the hole on the annular increases progressively from inside to outside, increasing progressively quantity is 2, and spacing is 40mm between ring and the ring.
Embodiment 3, and is identical with embodiment 1, and different is if the biogas behind the depriving hydrogen sulphide adopts wet storage holders to store, and then can save the demist layer.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. a biogas desulfurization tower includes inlet mouth, and the air outlet also is provided with circulating water channel, cloth gas-bearing formation, packing layer, demist layer from the bottom to top successively, it is characterized in that, also is provided with spray equipment above described packing layer; In described cloth gas-bearing formation, be provided with at least one distribution device; In described packing layer, be provided with packing material.
2. biogas desulfurization tower as claimed in claim 1 is characterized in that, also is provided with the demist layer above described packing layer, is provided with at least one demister in the demist layer.
3. biogas desulfurization tower as claimed in claim 2 is characterized in that, described demister is the demist plate, and the demist plate is to be made by polypropylene or pvc material.
4. biogas desulfurization tower as claimed in claim 1 is characterized in that, described packing material is polypropylene or polyvinyl chloride.
5. biogas desulfurization tower as claimed in claim 1 is characterized in that, described distribution device is an air distribution plate, and air distribution plate is that to be that 4~6mm round steel is evenly distributed form for 6~10mm, diameter by spacing.
6. biogas desulfurization tower as claimed in claim 1 is characterized in that, described distribution device is an air distribution plate, and air distribution plate is provided with the pore that the aperture is 8~12mm.
7. biogas desulfurization tower as claimed in claim 6 is characterized in that, the hole on the described air distribution plate is provided with on air distribution plate ringwise, and the quantity in the hole on the annular increases progressively from inside to outside, and increasing progressively quantity is 1~5, and spacing is 40~80mm between ring and the ring.
8. biogas desulfurization tower as claimed in claim 1 is characterized in that, described circulating water channel top is provided with the recirculated water inlet, is provided with water port below circulating water channel, in described circulating water channel alkaline liquid is housed; Also be provided with float-type liquid level controller and overflow port in the described circulating water channel.
9. biogas desulfurization tower as claimed in claim 8 is characterized in that, also is provided with the PH proofing unit in described circulating water channel.
10. biogas desulfurization tower as claimed in claim 1 is characterized in that, is provided with at least one shower in the cavity of described spray equipment above described device packing layer, and shower is provided with at least one nozzle; Described spray equipment is connected with the recirculated water tank by volume pump.
CN200920108286XU 2009-05-27 2009-05-27 Marsh gas desulfurizing tower CN201424465Y (en)

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Application Number Priority Date Filing Date Title
CN200920108286XU CN201424465Y (en) 2009-05-27 2009-05-27 Marsh gas desulfurizing tower

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101984026A (en) * 2010-11-09 2011-03-09 浙江大学 Integrated methane biological desulphurization device
CN103657353A (en) * 2012-09-04 2014-03-26 天华化工机械及自动化研究设计院有限公司 Tail gas separation tower
CN104818069A (en) * 2015-05-19 2015-08-05 农业部沼气科学研究所 Multistage-spray biogas biological desulfurizing unit
CN105366795A (en) * 2015-12-09 2016-03-02 大唐环境产业集团股份有限公司 Desulfurized seawater water quality restoration device and method
CN105399241A (en) * 2015-12-09 2016-03-16 大唐环境产业集团股份有限公司 Desulfurized sea water quality restoration device and method without secondary pollution
CN105417675A (en) * 2015-12-09 2016-03-23 大唐环境产业集团股份有限公司 Device and method for restoring desulphurized sea water based on pure oxygen aeration

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101984026A (en) * 2010-11-09 2011-03-09 浙江大学 Integrated methane biological desulphurization device
CN101984026B (en) * 2010-11-09 2013-05-01 浙江大学 Integrated methane biological desulphurization device
CN103657353A (en) * 2012-09-04 2014-03-26 天华化工机械及自动化研究设计院有限公司 Tail gas separation tower
CN103657353B (en) * 2012-09-04 2015-07-15 天华化工机械及自动化研究设计院有限公司 Tail gas separation tower
CN104818069A (en) * 2015-05-19 2015-08-05 农业部沼气科学研究所 Multistage-spray biogas biological desulfurizing unit
CN105366795A (en) * 2015-12-09 2016-03-02 大唐环境产业集团股份有限公司 Desulfurized seawater water quality restoration device and method
CN105399241A (en) * 2015-12-09 2016-03-16 大唐环境产业集团股份有限公司 Desulfurized sea water quality restoration device and method without secondary pollution
CN105417675A (en) * 2015-12-09 2016-03-23 大唐环境产业集团股份有限公司 Device and method for restoring desulphurized sea water based on pure oxygen aeration
CN105399241B (en) * 2015-12-09 2017-12-08 大唐环境产业集团股份有限公司 The desulfurization seawater quality recovery device and method of a kind of non-secondary pollution
CN105417675B (en) * 2015-12-09 2018-01-19 大唐环境产业集团股份有限公司 A kind of desulfurization restoring sea water device and restoration methods based on pure oxygen aeration
CN105366795B (en) * 2015-12-09 2018-05-25 大唐环境产业集团股份有限公司 A kind of desulfurization seawater quality recovery device and method

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Integrated biogas desulfurization tower

Effective date of registration: 20100729

Granted publication date: 20100317

Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee

Pledgor: Beijing Puresino-Boda Environmental Engineering Co., Ltd.

Registration number: 2010990000831

TR01 Transfer of patent right

Effective date of registration: 20120625

Address after: 100082, 12A06-08 building, Shougang complex, No. 60 North Main Street, Haidian District, Beijing, Xizhimen

Patentee after: Bossin Environmental Engineering (Beijing) Co., Ltd.

Address before: 100082 Beijing Xizhimen North Street, Shougang International Building, No. 60, 12A

Patentee before: Beijing Puresino-Boda Environmental Engineering Co., Ltd.

C41 Transfer of patent application or patent right or utility model
ASS Succession or assignment of patent right

Owner name: BOTIAN ENVIRONMENTAL ENGINEERING (BEIJING) CO., LT

Free format text: FORMER OWNER: BEIJING MEIHUA BODA ENVIRONMENTAL ENGINEERING CO., LTD.

Effective date: 20120625

CP01 Change in the name or title of a patent holder

Address after: 100082, 12A06-08 building, Shougang complex, No. 60 North Main Street, Haidian District, Beijing, Xizhimen

Patentee after: POTEN ENVIRONMENT GROUP CO., LTD.

Address before: 100082, 12A06-08 building, Shougang complex, No. 60 North Main Street, Haidian District, Beijing, Xizhimen

Patentee before: Bossin Environmental Engineering (Beijing) Co., Ltd.

C56 Change in the name or address of the patentee

Owner name: POTEN ENVIRONMENT GROUP CO., LTD.

Free format text: FORMER NAME: POTEN ENVIRONMENTAL ENGINEERING (BEIJING) CO., LTD.

CX01 Expiry of patent term

Granted publication date: 20100317

CX01 Expiry of patent term