CN101474519B - Composite filtering equipment for biomass gas - Google Patents
Composite filtering equipment for biomass gas Download PDFInfo
- Publication number
- CN101474519B CN101474519B CN 200810230160 CN200810230160A CN101474519B CN 101474519 B CN101474519 B CN 101474519B CN 200810230160 CN200810230160 CN 200810230160 CN 200810230160 A CN200810230160 A CN 200810230160A CN 101474519 B CN101474519 B CN 101474519B
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- CN
- China
- Prior art keywords
- water
- spray thrower
- heat exchanger
- dry filter
- bath spray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
Abstract
The invention relates to a biomass fuel compound filtering device, comprising a water bath spray thrower, a heat interchanger and a dry filter. The invention is characterized in that the water bath spray thrower, the heat interchange and the dry filter form an integrated composite structure, and the inner part thereof is communicated from the upper part of the water bath spray thrower to a gas inlet room of the heat interchanger by a gas transmission pipeline, and then from a discharge chamber of the heat interchanger to the lower part of the dry filter; and an insulating layer is arranged between the water bath spray thrower and the dry filter. The designed structure is more compact, less space is occupied, and the installation is more convenient and rapid. Especially, the device has the characteristics that the water bath, spray and filtration of a filter screen are integrated, dry filtration and wet filtration are combined, several times of filtration and temperature reduction are combined, the technical process is efficient and convenient, and the filtration is more complete; therefore purer, cleaner and pollution-free fuel is obtained and the detarring rate reaches over 99%. In addition, the application is wide; especially, rural biomass wastes can be used as fuel and transported by pipes more rapidly, so that people in rural areas can use clean the fuel conveniently as urban inhabitants.
Description
Technical field
The present invention relates to combustion gas and filter, relate in particular to a kind of composite filtering equipment for biomass gas.
Background technology
The whole world is generally with coal at present, oil, non-renewable resources such as natural gas are as main fuel. produce a large amount of pernicious gas and flue dust in most of fuel combustion process. and the biogas makeup need not fuel is directly burnt fully, but with multiple living beings and organic waste under the state of anoxic, produce a kind of equipment of imflammable gas; Because living beings and organic waste are a kind of inexhaustible resources, but both twice laids, but cleaning ambient again reduces environmental pollution.
Yet well-known, the fuel gas that produces under the state of anoxycausis contains a large amount of dust, wood tar and pyrolkigneous liquid, and to face the most difficult problem be to extract wood tar and hinder the biomass energy development.
Patent application CN101307238 " biomass gasification device " and CN101302430 " method for preparing combustion gas with agricultural waste material and organic waste " disclose a kind of biomass gasification device and biogas metallization processes respectively, its package unit interconnects under closed state, with natural agricultural waste material and organic waste is raw material, power conversion by multiple biomass energy, the high efficient energy sources of clean environment firendly have been formed, low-cost, easily popularization, and be inexhaustible, nexhaustible green energy resource.
But wherein still exist some unsatisfactory parts, comprising about the gas-purification filter design:
Its gas-filtering device complex structure disperses, and floor space is big, and technological process is many, and the installation and maintenance workload is big, thereby the technology cost is increased, and gasification result is undesirable, and gasification efficiency reduces.
Summary of the invention
In view of the above-mentioned defective of existing in prior technology, the present invention is intended to disclose a kind of compact conformation and takes up an area of little, convenient for installation and maintenance, low-cost, high efficiency composite filtering equipment for biomass gas.
Technical solution of the present invention is achieved in that
A kind of composite filtering equipment for biomass gas, comprise water-bath spray thrower, heat exchanger and dry filter, it is characterized in that: the three forms the integral type composite construction, its inside is communicated to the inlet plenum of heat exchanger successively by air delivering pipeline from the top of described water-bath spray thrower, be communicated to the bottom of described dry filter again from the discharge chamber of heat exchanger; Be provided with insulating layer between described water-bath spray thrower and the dry filter;
Described water-bath spray thrower is a container that has spray equipment, comprises inlet pipe, drain pipe road and air delivering pipeline, stores the water of certain altitude in the water-bath spray thrower; The air inlet of described composite filtering equipment is positioned at the middle part of its water-bath spray thrower and more than the water-bath peak level, in the water that the air delivering pipeline of air inlet is stored in described air inlet inserts the water-bath spray thrower;
Described heat exchanger comprises inlet plenum, discharge chamber and heat transfer zone; Comprise cooling circulating water, inlet and outlet pipe in the described heat transfer zone and be dipped in heat exchanger tube in the water, heat transfer zone is isolated with inlet plenum and discharge chamber by two division boards at its two ends, and the two ends of heat exchanger tube are connected with inlet plenum and discharge chamber respectively;
Described dry filter comprises at least two-layer up and down, has interlayer separately and have air delivering pipeline to be connected between every layer, and at least four road screen packs are housed in each filter course, combustion gas by the road by screen pack after enter next filter course by air delivering pipeline; The gas outlet of composite filtering equipment is positioned at the top of dry filter;
Described composite filtering equipment is provided with blowoff valve in the bottom of its heat exchanger.
Use above-mentioned composite filtering equipment for biomass gas to carry out the technology that biological fuel gas filters, comprise the step that water-bath, spray, heat exchange and dry type are filtered, it is characterized in that:
Biological fuel gas to be filtered is under the draft effect of water ring compressor, enter from the air inlet of water-bath spray chamber and at first to carry out water-bath in the composite filtering equipment, partial impurities, comprise that dust, wood tar, pyrolkigneous liquid etc. enter in the water, the gas that rises is again behind spray, enter the inlet plenum of heat exchanger along the inside air delivering pipeline between water-bath spray thrower and the heat exchanger, and after the heat exchanger tube in being dipped in cooling circulating water carries out exchange heat, enter discharge chamber; Then enter dry filter along the inside air delivering pipeline between heat exchanger and the dry filter, successively discharge by the gas outlet from its top behind the multiple tracks screen pack.
Composite filtering equipment need regularly carry out blowdown to be handled.
The capacity scope of above-mentioned water ring compressor is: 90m
3/ h～1800m
3/ h, maximum working pressure (MWP) are 0.6MPa.
Compared to existing technology, technique effect of the present invention is conspicuous:
The design of composite filtering equipment is more compact structure not only, and floor space is little, and it is more convenient to install, its bath of catchmenting that more outstanding is, spray, strainer filtering are one, do wet the filtration and combine, and multiple times of filtration combines with repeatedly lowering the temperature, technical process is efficiently convenient, filters also more abundant; Thereby obtain more high-purity, more cleaning, free of contamination combustion gas, its detar rate reaches more than 99%.
Biological fuel gas filter disclosed in this invention integrates gas-purification and filters, and more reasonable structure is compacter, and occupation area of equipment is little, and multiple purification filtering mode is combined, and technology is more simple, efficient; Obtain higher, the more combustion gas of cleanliness without any pollution of purity, especially solved the separation problem of wood tar, thereby prevented that effectively the burn in the pipeline from stopping up and environmental pollution problems, meets the environmental requirement of energy-saving and emission-reduction; Thereby more effectively guaranteed the without interruption of combustion gas, reduced maintenance time, reduced production cost, gasification efficiency reaches 95%, and fuel gases calorific value reaches 1661kcal/m
3
Technology of the present invention is simple, design science, and energy-saving and emission-reduction, it is widely used, and especially makes the biomass castoff in rural area realize gasification, channelization as early as possible, allows use the same with the urban resident of common people in rural area clean combustion gas easily.
Description of drawings
Fig. 1 is the structural representation of composite filtering equipment for biomass gas according to an embodiment of the invention;
Fig. 2 is the left view of Fig. 1.Among the figure,
1, water-bath spray thrower
2, heat exchanger
21, inlet plenum
22, heat transfer zone
221, delivery port
222, cooling circulating water
223, heat exchanger tube
224, water inlet
23, discharge chamber
24,25, division board
3, dry filter
31, filter course
32, interlayer
4, insulating layer
5,6, blowoff valve
71, air inlet
72, gas outlet
The specific embodiment
Composite filtering equipment for biomass gas as depicted in figs. 1 and 2, comprises the integral type composite construction of water-bath spray thrower 1, heat exchanger 2 and dry filter 3; Its inside is communicated to the inlet plenum 21 of heat exchanger successively by air delivering pipeline from the top of described water-bath spray thrower 1, be communicated to the bottom of described dry filter 3 again from the discharge chamber 23 of heat exchanger; Described composite filtering equipment is provided with blowoff valve 5,6 in the bottom of its heat exchanger 2;
Described water-bath spray thrower 1 is a container that has spray equipment, comprises inlet pipe, drain pipe road and air delivering pipeline, stores the water of certain altitude in the water-bath spray thrower 1; The air inlet 71 of described composite filtering equipment is positioned at the middle part of its water-bath spray thrower 1 and more than the water-bath peak level, the air delivering pipeline of air inlet inserts in the water of storage in the water-bath spray thrower 1 from described air inlet 71;
Described heat exchanger 2 comprises inlet plenum 21, discharge chamber 23 and heat transfer zone 22; Comprise cooling circulating water 222, inlet and outlet pipe 224,221 in the described heat transfer zone 22 and be dipped in heat exchanger tube 223 in the water, heat transfer zone 22 is isolated with inlet plenum 21 and discharge chamber 23 by two division boards 24,25 at its two ends, and the two ends of heat exchanger tube 223 are connected with inlet plenum 21 and discharge chamber 23 respectively;
Described dry filter 3 comprises two-layer up and down, there is interlayer 32 separately and have air delivering pipeline to be connected between two-layer, four road screen packs 31 are housed in each filter course, combustion gas by the road by screen pack after enter next filter course by air delivering pipeline, discharge by gas outlet 72 at last; The gas outlet 72 of composite filtering equipment is positioned at the top of dry filter 3.
Accompany insulating layer 24 between described dry filter 3 and the water-bath spray thrower 1;
Use above-mentioned composite filtering equipment for biomass gas to carry out the technology that biological fuel gas filters, specifically describe as follows:
The fuel gas that is produced in the gas generator comprises carbon monoxide, methane, ethane, hydrogen etc., through gas buffer and infall process, under the draft effect of water ring compressor, enter from the air inlet 71 of compound filter along gas pipeline and to carry out water-bath, spray, heat exchange and filtration drying in the water-bath spray chamber 1 successively:, remove impurity and separating part wood tar, pyrolkigneous liquid comprising water-bath and twice cleaning of spray and cooling; Combustion gas is further lowered the temperature after heat exchange again; Then combustion gas enters the filter chamber and filters through totally six road screen packs, is used for removal of contamination once more, separates wood tar, pyrolkigneous liquid; Last gas is discharged by gas outlet 72.
Biological fuel gas in the path of filtering in the described composite filtering equipment shown in the arrow circuit among Fig. 1:
A→B→C→D→E→F→G→H→I
Needing regularly composite filtering equipment to be carried out blowdown handles.
The capacity scope of above-mentioned water ring compressor is: 90m
3/ h～1800m
3/ h, maximum working pressure (MWP) are 0.6MPa.
It is short that the present invention has filter cycle, the efficient height, and cleaning, environmental protection easily realizes channelization, the characteristics that production cost is low are suitable for city, township, town and the promotion and application of vast rural area.Both clean environment, reduced pollution again, realized the secondary utilization of refuse.This project meets the industrial policy of country, meets environmental protection requirement, energy-saving and emission-reduction, and effect is splendid.
The above; only be the preferable specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (1)
1. composite filtering equipment for biomass gas, comprise water-bath spray thrower, heat exchanger and dry filter, it is characterized in that: the three forms the integral type composite construction, its inside is communicated to the inlet plenum of heat exchanger successively by air delivering pipeline from the top of described water-bath spray thrower, be communicated to the bottom of described dry filter again from the discharge chamber of heat exchanger; Be provided with insulating layer between described water-bath spray thrower and the dry filter;
Described water-bath spray thrower is a container that has spray equipment, comprises inlet pipe, drain pipe road and air delivering pipeline, stores the water of certain altitude in the water-bath spray thrower; The air inlet of described composite filtering equipment is positioned at the middle part of its water-bath spray thrower and more than the water-bath peak level, in the water that the air delivering pipeline of air inlet is stored in described air inlet inserts the water-bath spray thrower;
Described heat exchanger comprises inlet plenum, discharge chamber and heat transfer zone; Comprise cooling circulating water, inlet and outlet pipe in the described heat transfer zone and be dipped in heat exchanger tube in the water, heat transfer zone is isolated with inlet plenum and discharge chamber by two division boards at its two ends, and the two ends of heat exchanger tube are connected with inlet plenum and discharge chamber respectively;
Described dry filter comprises at least two-layer up and down, has interlayer separately and have air delivering pipeline to be connected between every layer, and at least four road screen packs are housed in each filter course, combustion gas by the road by screen pack after enter next filter course by air delivering pipeline; The gas outlet of composite filtering equipment is positioned at the top of dry filter;
Described composite filtering equipment is provided with blowoff valve in the bottom of its heat exchanger.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810230160 CN101474519B (en) | 2008-12-24 | 2008-12-24 | Composite filtering equipment for biomass gas |
| PCT/NL2009/050799 WO2010074574A2 (en) | 2008-12-24 | 2009-12-23 | Biomass gasification device and process |
| EP09793623A EP2379681A2 (en) | 2008-12-24 | 2009-12-23 | Biomass gasification device and process |
| US13/142,064 US20110308157A1 (en) | 2008-12-24 | 2009-12-23 | Biomass gasification device and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810230160 CN101474519B (en) | 2008-12-24 | 2008-12-24 | Composite filtering equipment for biomass gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101474519A CN101474519A (en) | 2009-07-08 |
| CN101474519B true CN101474519B (en) | 2010-12-22 |
Family
ID=40835346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810230160 Expired - Fee Related CN101474519B (en) | 2008-12-24 | 2008-12-24 | Composite filtering equipment for biomass gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101474519B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2200053C1 (en) * | 2001-11-27 | 2003-03-10 | Рынейский Вадим Анатольевич | Flue gas cleaning plant |
| CN101307238A (en) * | 2008-01-14 | 2008-11-19 | 张建超 | Biomass gasifying device |
| CN201317766Y (en) * | 2008-12-24 | 2009-09-30 | 张建超 | Biomass gas composite filtering device |
-
2008
- 2008-12-24 CN CN 200810230160 patent/CN101474519B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2200053C1 (en) * | 2001-11-27 | 2003-03-10 | Рынейский Вадим Анатольевич | Flue gas cleaning plant |
| CN101307238A (en) * | 2008-01-14 | 2008-11-19 | 张建超 | Biomass gasifying device |
| CN201317766Y (en) * | 2008-12-24 | 2009-09-30 | 张建超 | Biomass gas composite filtering device |
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| Publication number | Publication date |
|---|---|
| CN101474519A (en) | 2009-07-08 |
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Granted publication date: 20101222 Termination date: 20141224 |
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