CN207760297U - A kind of marsh gas purifying dust-extraction unit - Google Patents
A kind of marsh gas purifying dust-extraction unit Download PDFInfo
- Publication number
- CN207760297U CN207760297U CN201820054887.6U CN201820054887U CN207760297U CN 207760297 U CN207760297 U CN 207760297U CN 201820054887 U CN201820054887 U CN 201820054887U CN 207760297 U CN207760297 U CN 207760297U
- Authority
- CN
- China
- Prior art keywords
- extraction unit
- dust
- marsh gas
- gas purifying
- medical solution
- 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.)
- Expired - Fee Related
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a kind of marsh gas purifying dust-extraction units, it includes purifying column, centrifugal blower, dosing tank, circulating pump and control device, the wherein described purifying column includes medical solution pool successively from bottom to top, dust-extraction unit, analysis cell and chemical washing device, the centrifugal blower is connected to the air inlet of the purifying column by biogas pipeline, the dosing tank is connected respectively to the bottom medical solution pool of the purifying column and the chemical washing device by conveyance conduit, the circulating pump is connected to the medical solution pool by pipeline, the control device controls the purifying column, centrifugal blower, the operating of dosing tank and circulating pump.The marsh gas purifying dust-extraction unit of the utility model is simple in structure, cost is low, and purified treatment is efficient, effectively can carry out purifying and dedusting processing to biogas, the process requirements of high concentration marsh gas purifying can either be met, and the process requirements of low concentration marsh gas purifying can be met.
Description
Technical field
The utility model belongs to technical field of environment protection equipment, and in particular to arrives a kind of marsh gas purifying dust-extraction unit.
Background technology
Biogas is a kind of mixed gas, its main component is methane, secondly also contains carbon dioxide, hydrogen sulfide, saturation
Vapor, high-carbon hydrocarbon etc.；Sometimes also contain carbon monoxide, nitrogen, helium, hydrogen, siloxanes, halohydrocarbyl solid particulate matter etc.
Impurity.Hydrogen sulfide in biogas is a kind of sour gas, when biogas is as using energy source, it is desirable that the concentration of hydrogen sulfide is less than
20mg/m3, otherwise to gas pipeline, controlled valve, instrument and utilize equipment（Such as boiler, methane fuelled engine）There is corrosion to make
With.The essential link of marsh gas purifying processing is dedusting, and dedusting at this stage generally uses fiber bag precipitator, uses one
It after the section time, is blocked if there is deduster, the general manner of cleaning up for using blowback, the substance cleaned up is also scattered in shell
It is interior, it is not easy to accomplish thorough cleaning, here it is existing deficiencies in the technology, and have many apparatus structures multiple at present
Miscellaneous, operating difficulties, method and step is various to be not easy to realize, and purified treatment efficiency is low, also needs repeatedly to be handled.
Invention content
The purpose of the utility model is to overcome the defect of the prior art, provide a kind of simple in structure, cost is low, only
Change treatment effeciency height, the marsh gas purifying dust-extraction unit of purifying and dedusting processing can be effectively carried out to biogas.
The technical solution of the utility model is：A kind of marsh gas purifying dust-extraction unit comprising purifying column, adds centrifugal blower
Medicine-chest and circulating pump, wherein the purifying column includes medical solution pool, dust-extraction unit, analysis cell and change successively from bottom to top
Wash mill is learned, the centrifugal blower is connected to the air inlet of the purifying column by biogas pipeline, and the dosing tank passes through defeated
Send that pipeline is connected respectively to the bottom medical solution pool of the purifying column and the chemical washing device, the circulating pump are connected by pipeline
Lead to the medical solution pool.
Further, bubbling device is installed above the medical solution pool, sewage draining exit is equipped in the bottom of the medical solution pool.
Further, the dust-extraction unit includes dedusting packing layer and dedusting spray equipment, the dedusting spray equipment and
The medical solution pool is connected to by the circulating pump, equipped with muddy water point on the pipeline being connected between the medical solution pool and circulating pump
From device.
Further, the analysis cell includes biogas analytical instrument and concentration detector.
Further, chemical washing device room includes chemical washing packing layer and chemical washing spray equipment, described
Chemical washing spray equipment and the dosing tank unicom, set on the pipeline that the chemical washing spray equipment is connected to dosing tank
There is second solenoid valve.
Further, the top of the purifying column is additionally provided with demister, and biogas after treatment enters demister
Moisture removal is gone to be discharged from the top biogas gas outlet of purifying column afterwards.
Further, it is additionally provided with flowmeter between the separator for mud and water and the circulating pump.
Further, the pipeline that the circulating pump is connected with dedusting spray equipment is equipped with the first solenoid valve and pH is detected
Instrument.
Further, the conveyance conduit that the dosing tank is connected to the medical solution pool is equipped with third solenoid valve.
In conclusion the beneficial effects of the utility model are：The marsh gas purifying dust-extraction unit structure letter of the utility model
Single, cost is low, and purified treatment is efficient, effectively can carry out purifying and dedusting processing to biogas, can either meet highly concentrated
The process requirements of marsh gas purifying are spent, and the process requirements of low concentration marsh gas purifying can be met.
The utility model is described in more detail below by embodiment.
Description of the drawings
Fig. 1 is the structural schematic diagram of the marsh gas purifying dust-extraction unit of the utility model.
Specific implementation mode
The utility model is further described in a manner of embodiment combination attached drawing below.
As shown in Figure 1, a kind of marsh gas purifying dust-extraction unit comprising purifying column, centrifugal blower 4, dosing tank 14, circulating pump
10 and control device, purification tower be disposed with from bottom to up medical solution pool 1, dust-extraction unit, gas checking area gas point
Analyse room and chemical washing device.Wherein, centrifugal blower 4 is connected by the biogas air inlet 5 of biogas pipeline and purification tower, in natural pond
The exit of gas air inlet 5 is equipped with bubbling device 13, is the medical solution pool 1 of purification tower bottom, drum below bubbling device 13
The upper surface of bulb apparatus 13 is the region of dust-extraction unit, and the dust-extraction unit in the region includes dedusting packing layer 2 and dedusting spray dress
Set 6；The upper surface of dedusting area is the analysis cell of gas detection region, and analysis cell in the area is equipped with Concentration Testing
Instrument 20 and biogas analytical instrument 21；It is the chemical washing device in chemical washing area in the upper surface of gas detection detection zone,
Chemical washing device in the region includes chemistry filler layer 3 and chemical washing spray equipment 7；In chemical washing spray equipment 7
The upper surface of be demister 16；It is equipped with biogas gas outlet 17 at the top of purification tower；Pass through in the bottom medical solution pool 1 of scrubbing tower
Liquid conveyance conduit is connected with circulating pump 10, dosing tank 14 respectively；It is set successively on the pipeline that medical solution pool 1 and circulating pump 10 connect
There are separator for mud and water 8 and flowmeter 9；Circulating pump 10 further with 6 piping connection of dedusting spray equipment, and is equipped with the on pipeline
One solenoid valve 11 and pH detectors 12；It is equipped with third solenoid valve 19 on the pipeline that medical solution pool 1 and dosing tank 14 connect；Dosing tank
14 and chemical washing spray equipment 7 connect pipeline be equipped with second solenoid valve 15；PH detectors 12, biogas analytical instrument
21, concentration detector 20, flowmeter 9, the first solenoid valve 11, second solenoid valve 15 and third solenoid valve 19 respectively with control device
It is electrically connected, the control device is fed back by pH detectors 12, biogas analytical instrument 21, concentration detector 20, flowmeter
Information, the first, second, third solenoid valve and centrifugal blower and circulating pump and dosing tank are carried out being turned on and off control
System.
When the utility model marsh gas purifying dust-extraction unit specifically operates, biogas is advertised to enter by centrifugal blower 4 and be washed first
It washs in tower, medical solution pool 1 is entered after bubbling device 13, biogas increases gas after bubbling device 13 and stops in medical solution pool
The time is stayed, biogas is enable adequately to wash and react in liquid.Biogas can remove natural pond after 1 preliminary treatment of medical solution pool
Most of water-soluble particulate matter in gas, then gas rise through dedusting reaction zone, using dedusting packing layer 2 and dedusting
The processing of spray thrower 6；Treated biogas is examined by the gas detection area above dedusting area by analytical instrument 21 and concentration
After surveying the detection of instrument 20, see whether reach process requirements, chemical washing area brings into operation if not up to demand, and biogas passes through the area
Chemical washing packing layer 3 and chemical washing spray equipment 7 in domain remove the gases such as remaining hydrogen sulfide in biogas, if reaching technique
Demand, then chemical washing region biogas out of service directly pass through the region；Biogas after finally processing passes through demister
16 remove the moisture in gas, are discharged from the biogas gas outlet 17 at the top of tower body.
The cleaning solution of biogas is extracted out by circulating pump 10 from medical solution pool in the present embodiment, by separator for mud and water 8 and flow
Liquid is sent into dedusting spray equipment 6 by meter 9.It is equipped with pH detectors 12 on liquid conveyance conduit, detects the pH value of liquid,
When the pH value of liquid is close to 7, the cut-out of the first solenoid valve 11 is controlled by control device, and open the blowdown at 1, medical solution pool bottom
Waste liquid is discharged mouth 18.Third solenoid valve 19 is opened and conveys new liquid and closing into medical solution pool 1 after waste liquid has been cleared up
Sewage draining exit 18.The present apparatus determines the period of spoil disposal in medical solution pool according to the variation for the flowmeter 9 being arranged on liquid conveyance conduit.
The analysis cell being arranged below the top chemistry filler layer of dedusting spray equipment 6 in purifying column, gas exist
The analysis cell passes through the detection of gas composition analyzer 21 and concentration detector 20, when detector detects at dust separation
When also containing the gases such as hydrogen sulfide in the biogas after reason not up to process requirements when, control device controls second solenoid valve 15 and opens
High-pressure pump in spray tank simultaneously（It is not marked in figure）It starts to work and liquid is transported to chemical washing spray from spray tank 14
In device 7, spray liquid is sprayed at the top of chemical washing packing layer 3, and liquid is chemically washed and slid to tower body bottom on packing layer 3
The medical solution pool 1 in portion, realizes the recycling of liquid.
The structure that the marsh gas purifying dust-extraction unit of the utility model is not limited to the above embodiments can carry out a variety of modifications.
In short, being both fallen in the scope of the utility model in all improvement not departed within the scope of the spirit of the present invention.
Claims (9)
1. a kind of marsh gas purifying dust-extraction unit, which is characterized in that including purifying column, centrifugal blower, dosing tank, circulating pump and control
Device processed, wherein including medical solution pool, dust-extraction unit, analysis cell and chemical washing dress successively from bottom to top in the purifying column
It sets, the centrifugal blower is connected to the air inlet of the purifying column by biogas pipeline, and the dosing tank passes through conveyance conduit point
The bottom medical solution pool and the chemical washing device, the circulating pump for not being connected to the purifying column are respectively communicated with institute by pipeline
Medical solution pool and the dust-extraction unit are stated, the control device controls the purifying column, centrifugal blower, dosing tank and circulating pump
Operating.
2. marsh gas purifying dust-extraction unit according to claim 1, which is characterized in that be equipped with drum above the medical solution pool
Bulb apparatus is equipped with sewage draining exit in the bottom of the medical solution pool.
3. marsh gas purifying dust-extraction unit according to claim 1, which is characterized in that the dust-extraction unit includes dedusting filler
Layer and dedusting spray equipment, the dedusting spray equipment is connected to the medical solution pool by the circulating pump, in the liquid
The pipeline being connected between pond and circulating pump is equipped with separator for mud and water.
4. marsh gas purifying dust-extraction unit according to claim 1, which is characterized in that the analysis cell include biogas at
Divide analyzer and concentration detector.
5. marsh gas purifying dust-extraction unit according to claim 1, which is characterized in that chemical washing device room includes changing
Washing packing layer and chemical washing spray equipment, the chemical washing spray equipment and the dosing tank unicom are learned, in describedization
It learns the pipeline that showering washing device is connected to dosing tank and is equipped with second solenoid valve.
6. marsh gas purifying dust-extraction unit according to claim 1, which is characterized in that the top of the purifying column, which is additionally provided with, removes
Mist device, biogas after treatment go moisture removal to be discharged from the top biogas gas outlet of purifying column after entering demister.
7. marsh gas purifying dust-extraction unit according to claim 3, which is characterized in that the separator for mud and water and the cycle
Flowmeter is additionally provided between pump.
8. marsh gas purifying dust-extraction unit according to claim 7, which is characterized in that the circulating pump and dedusting spray equipment
The pipeline of connection is equipped with the first solenoid valve and pH detectors.
9. marsh gas purifying dust-extraction unit according to claim 1, which is characterized in that the dosing tank connects with the medical solution pool
Logical conveyance conduit is equipped with third solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054887.6U CN207760297U (en) | 2018-01-14 | 2018-01-14 | A kind of marsh gas purifying dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054887.6U CN207760297U (en) | 2018-01-14 | 2018-01-14 | A kind of marsh gas purifying dust-extraction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207760297U true CN207760297U (en) | 2018-08-24 |
Family
ID=63184251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820054887.6U Expired - Fee Related CN207760297U (en) | 2018-01-14 | 2018-01-14 | A kind of marsh gas purifying dust-extraction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207760297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101776A (en) * | 2021-04-29 | 2021-07-13 | 江苏永钢集团有限公司 | Dust removal device for high-speed wire rod rough and medium rolling |
-
2018
- 2018-01-14 CN CN201820054887.6U patent/CN207760297U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101776A (en) * | 2021-04-29 | 2021-07-13 | 江苏永钢集团有限公司 | Dust removal device for high-speed wire rod rough and medium rolling |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20210114 |