CN105713692A - Filtering and drying device for marsh gas purification - Google Patents
Filtering and drying device for marsh gas purification Download PDFInfo
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- CN105713692A CN105713692A CN201610058082.4A CN201610058082A CN105713692A CN 105713692 A CN105713692 A CN 105713692A CN 201610058082 A CN201610058082 A CN 201610058082A CN 105713692 A CN105713692 A CN 105713692A
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- Prior art keywords
- liquid pool
- cascade filtration
- tank body
- dividing plate
- velocity
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- 238000001914 filtration Methods 0.000 title claims abstract description 133
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000001035 drying Methods 0.000 title claims abstract description 31
- 238000000746 purification Methods 0.000 title claims abstract description 25
- JYIBXUUINYLWLR-UHFFFAOYSA-N aluminum;calcium;potassium;silicon;sodium;trihydrate Chemical compound O.O.O.[Na].[Al].[Si].[K].[Ca] JYIBXUUINYLWLR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003463 adsorbent Substances 0.000 claims abstract description 14
- 229910001603 clinoptilolite Inorganic materials 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 118
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 239000000706 filtrate Substances 0.000 claims description 28
- 210000003437 trachea Anatomy 0.000 claims description 24
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 229910021536 Zeolite Inorganic materials 0.000 claims description 9
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 9
- 239000010457 zeolite Substances 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005342 ion exchange Methods 0.000 claims description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 235000019270 ammonium chloride Nutrition 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 235000011148 calcium chloride Nutrition 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 40
- 238000005192 partition Methods 0.000 abstract description 5
- 230000001788 irregular Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 53
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 41
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 21
- 239000001569 carbon dioxide Substances 0.000 description 21
- 229910002092 carbon dioxide Inorganic materials 0.000 description 21
- 229910000019 calcium carbonate Inorganic materials 0.000 description 17
- 238000000889 atomisation Methods 0.000 description 15
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 description 15
- 229910000020 calcium bicarbonate Inorganic materials 0.000 description 15
- 238000000034 method Methods 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 6
- 239000000920 calcium hydroxide Substances 0.000 description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 239000006199 nebulizer Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/102—Removal of contaminants of acid contaminants
- C10L3/104—Carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/102—Removal of contaminants of acid contaminants
- C10L3/103—Sulfur containing contaminants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/105—Removal of contaminants of nitrogen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/106—Removal of contaminants of water
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/08—Drying or removing water
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/54—Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel
- C10L2290/542—Adsorption of impurities during preparation or upgrading of a fuel
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/54—Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel
- C10L2290/545—Washing, scrubbing, stripping, scavenging for separating fractions, components or impurities during preparation or upgrading of a fuel
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/54—Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel
- C10L2290/547—Filtration for separating fractions, components or impurities during preparation or upgrading of a fuel
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses a filtering and drying device for marsh gas purification. The device comprises a filtering tank, the filtering tank is connected with a marsh gas collection tank, marsh gas is collected from the marsh gas collection tank, generally, marsh gas in the marsh gas collection tank is extracted through a draught fan and introduced into a filtering tank, the filtering tank comprises a tank body, a partition plate which partitions the tank body vertically is arranged in the tank body, and an opening is formed in the middle of the partition plate; a gas inlet cavity is formed in the bottom of the tank body, a level-I filtering chamber is formed in the upper side of the gas inlet cavity, a level-II filtering chamber is formed above the partition plate, and a condensing and drying chamber is formed above the level-II filtering chamber. The device has the advantages of being reasonable in design and simple in structure; the independent gas inlet cavity is formed, so that gas entering the gas inlet cavity is divided into two flows, and by means of gas vents formed in a spiral air inlet pipe, a flow of gas is discharged and changed into irregular flow direction and collides with the other flow of gas, so that the speed reduction effect is achieved, natural clinoptilolite is arranged in a filter screen and serves as adsorbent, and the effect of preliminarily purifying and filtering marsh gas is achieved.
Description
Technical field
The present invention relates to biomass energy and develop field, particularly to a kind of methane purification filtration drying device.
Background technology
Biogas is a kind of fuel gas with higher thermal value, is mainly composed of methane (CH4) and carbon dioxide (CO2) and a small amount of nitrogen (N2), hydrogen (H2), oxygen (O2), hydrogen sulfide (H2The gas such as S), wherein methane content is 45%～60%.Compared with other combustion gas, the biogas capability of antidetonance is better, is that one well cleans fuel, mostly utilizes biogas to carry out warming oneself traditionally, cooking and illumination.Along with being continuously increased of biogas output, the middle and high end utilization ways of biogas constantly extends, and marsh gas purifying can be used for cogeneration of heat and power, be incorporated to gas distributing system after purifying, vehicle fuel, industrial chemicals and fuel cell etc..The Laholm biogas plant of Sweden's foundation in 1992 is the first factory that biological methane is incorporated to gas distributing system of Sweden.China the thirties in 20th century rural area begin to build underground methane-generating pit, to the end of the year 2008, whole nation domestic methane tank has reached more than 3,000 ten thousand mouthfuls, and the big-and-middle-sized biogas engineering such as livestock and poultry farm, food processing, brewery, municipal sewage plant reaches 1600 many places, produces biogas per year and totals over 14,000,000,000 m3, contrast China natural gas consumption 70,000,000,000 m in 20083, this part energy is considerable.At present, substantial amounts of biogas utilization is still based on low-grade heat utilization, along with centralized biogas engineering development, single methane engineering methane yield constantly increases, and generates electricity and purification vehicle fuel homenergic utilization rate processed is higher, the more technology of energy output is needed badly and is promoted.
Biogas is as a kind of natural energy source, biogas is after the pretreatment such as desulfurization, dehydration, dedusting, pressurization, enter pressure-swing absorption apparatus, by boosting, absorption, along putting, after the operation such as inverse put and evacuation, methane is gone out by pressure-swing absorber top row, and collects as gas product, and pipeline delivers into gas ductwork or the outward transport of high pressure tank car, the adsorbed component such as carbon dioxide and nitrogen, is discharged by the bottom of tower after desorbing.But greenhouse effect occur owing to the various reasons of social development causes carbon dioxide to discharge in a large number, it is such as in recent years: tellurian pest and disease damage increases；Sea level rise；Adverse weather, Marine Storm Genesis increases；Dry land, desertification area increase, even turn cold winter wait harm embodiment more and more obvious.Additionally tradition methane purification with filtration drying device because the relation of its operation principle, it is necessary to gas is carried out repeated multiple times process and causes that cumulative volume is very big.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of methane purification filtration drying device, as the primary filter in methane purification preprocessing process, including filtering tank, described filtering tank is connected with biogas air collector, biogas is collected from described biogas air collector, being extracted out by biogas in biogas air collector typically by blower fan, squeeze in described filtering tank, described filtering tank includes tank body, it is provided with the dividing plate separated up and down by described tank body in described tank body, in the middle part of described dividing plate, leaves opening；Described dividing plate tilts along described opening to both sides, become inverted " v " shape, described dividing plate upper surface is the cambered surface that middle part raises up, described dividing plate both sides are provided with guiding gutter, described dividing plate arranges velocity-reducing chamber, velocity-reducing chamber is a chamber passed through for biogas and reach deceleration purpose wherein, and described opening connects with the inlet channel of described velocity-reducing chamber.Described tank base arranges inlet chamber, arranges single filter room on the upside of described inlet chamber, and described dividing plate is provided above cascade filtration room；The air inlet pipe of baffle maze and disc type it is provided with in described inlet chamber.Described cascade filtration room is provided above getting rid of drips device and a support, and described support two ends are fixing with described inner tank wall to be connected, described in get rid of a device and be connected with described support, be arranged on the central axis of described tank body.Including horizontally disposed hothouse dividing plate (51) in described tank body (1), described hothouse dividing plate (51) is arranged on above described cascade filtration room, fixes with described tank body (1) inwall and is connected, and described hothouse dividing plate (51) upside arranges condensation hothouse.
Described velocity-reducing chamber includes velocity-reducing chamber air inlet pipe, described velocity-reducing chamber air inlet pipe is spiral type, through velocity-reducing chamber baffle plate, described velocity-reducing chamber baffle plate is crisscross arranged in described velocity-reducing chamber, and the inwall only having one end and described velocity-reducing chamber is fixed and is connected, and is connected with described dividing plate bottom described velocity-reducing chamber, top arranges scattered gas-bearing formation, described opening connects with the inlet end of described velocity-reducing chamber air inlet pipe, and the other end of described velocity-reducing chamber air inlet pipe is closed, and on the body of described velocity-reducing chamber air inlet pipe, distribution has steam vent；In order to gather the gas of single filter room, so described dividing plate is arranged to into inverted " v " shape, and make gas flow out by the opening arranged in the middle part of it, but therefore structure can cause that gas flow rate is accelerated, so arranging velocity-reducing chamber at the open upper side of dividing plate, the gas of acceleration is slowed down again, to ensure the filter effect of gas.
Described air inlet pipe is spiral type and the described baffle plate of traverse, described baffle plate only has one end and is connected with the cavity wall of described inlet chamber, what described baffle plate interlocked up and down is arranged in described inlet chamber, described baffle plate is grid framework, arranging modified clinoptilolite adsorbent in described framework, nitrogen is mainly played the effect of absorption by modified clinoptilolite adsorbent.Described air inlet pipe is through described baffle plate, described inlet chamber arranged outside air inlet, and described air inlet one end connects with described biogas air collector, other end connecting tee, the other two ends of described threeway, one end is connected with described air inlet pipe, and the other end is passed directly in described inlet chamber；In described air inlet pipe, distribution has steam vent, and described inlet chamber top arranges some passages；Because biogas is slowly produced by chemical reaction, so it is very little generally to collect own pressure in the air collector of biogas, it is thus desirable to the biogas in air collector is extracted out by blower fan, consider the effect of single filter in order to improve biogas, by the inlet chamber of special construction, the biogas of entrance is slowed down, biogas is divided into two parts after entering described threeway by described air inlet, it is partly into described air inlet pipe, another part is then directly entered in described inlet chamber, entrance gas distribution is also functioned to slowing effect herein, enter the biogas in described air inlet pipe, in advance process, discharge from the steam vent body, and because air inlet pipe is spiral type, so the biogas direction discharged is irregular；On the other hand, the biogas of the inlet chamber being directly entered, under the effect of baffle plate, its speed reduces, simultaneously with the abnormal flow discharged in air inlet pipe to biogas collision, speed reduces further, the adsorbent in baffle plate carry out preliminary absorption, wherein the foreign gas such as nitrogen is first tentatively adsorbed a part, enters in single filter room via the passage at described inlet chamber top afterwards.
Described single filter room is provided with single filter liquid pool, and described single filter liquid pool is arranged on the upside of described inlet chamber, arranges gas blow head bottom described single filter liquid pool, and described gas blow head is connected by trachea with the described passage at described inlet chamber top；Described gas blow head is cylindrical, and on it, distribution has fine and closely woven aperture, selects the alkali resistant materials such as plastics, resin, glass to make.Play the effect that the biogas of entrance is dispersed into tiny bubble, improve the effect of gas filtration effect.
Described cascade filtration room is provided with the cascade filtration liquid pool being connected with described tank body medial wall, arranges ultrasonic transducer bottom described cascade filtration liquid pool；Described cascade filtration liquid pool edge is slightly above described scattered gas-bearing formation.Described scattered gas-bearing formation adopts same material to make with described gas blow head, and it gathers aperture, plays the effect of dispersion and mitigation of gases flow velocity.
Being preferably, described cascade filtration liquid pool edge is higher than described scattered gas-bearing formation surface.
The filtrate used in described single filter liquid pool is sodium hydroxide solution, and the filtrate used in described cascade filtration liquid pool is aqua calcis.When biogas enters in described single filter liquid pool time, hydrogen sulfide therein and carbon dioxide react with filtrate and are absorbed.
Described cascade filtration liquid pool is annular, and described ultrasonic transducer arranges four, is evenly distributed in bottom described cascade filtration liquid pool.Via single filter liquid pool gas upwards when arriving described dividing plate, then gather along the direction of described dividing plate to the opening part in the middle part of it.The upper space of described dividing plate is entered from opening part.Aqua calcis in described cascade filtration liquid pool is atomized by described ultrasonic transducer, the aqua calcis of atomization will overflow described cascade filtration liquid pool, react with biogas out from described bulkhead apertures, because being the calcium hydroxide of atomization, and the aqua calcis that loop configuration can ensure that atomization falls from annular center opening part concentration, biogas is again gathered by opening to discharge then through after velocity-reducing chamber deceleration, therefore can play well carbon dioxide absorption effect.
Described tank wall above described cascade filtration liquid pool is provided with it is observed that the observation window of described cascade filtration liquid pool.By observation window it is observed that the liquid situation of cascade filtration liquid pool, because calcium carbonate is white precipitate, calcium bicarbonate is colourless with aqua calcis, so using the liquid in initial stage cascade filtration liquid pool to be colourless at aqua calcis, have white precipitate when using after a period of time, when white precipitate be gradually reduced to do not have time, the filtrate inside illustrating has been changed to calcium bicarbonate solution substantially, side-product can be regarded take out, then add new calcium hydroxide and use as filtrate.
Described getting rid of drips the driving mechanism that device includes being made up of motor and gear, described driving mechanism gets rid of, described in connecting, the mobile jib dripping device, the central axis of described mobile jib is provided with connecting rod, remainder hollow, and described connecting rod is connected through described support with the driving axle of described driving mechanism；Described mobile jib lateral symmetry arranges some cross bars, and described cross bar is hollow pipe, and connects with the inside of described mobile jib；The outboard end of described cross bar arranges centrifugal drying and drips plug；
Described centrifugal drying drips plug arranged outside and gets rid of block, described getting rid of is fixed be connected with the cone end of conical plug and one end of centrifugal connecting rod inside block, described centrifugal connecting rod is arranged on described conical plug both sides, the other end of described centrifugal connecting rod is plugged in bar set, described centrifugal connecting rod is connected by spring between overlapping with described bar, and described bar set is fixing with the outboard end of described cross bar to be connected；
Arrange in described support promising described in get rid of drip device described mobile jib provide liquid feed pipe, described feed pipe connect get rid of drip a device water pump, its water side is arranged on the upside of described mobile jib, and water inlet end is arranged on bottom described cascade filtration liquid pool.By getting rid of a device water pump, the filtrate in cascade filtration liquid pool is drawn in mobile jib, then under the effect of driving mechanism, get rid of and drip device rotation, after rotating speed improves, centrifugal drying drip plug get rid of block under the influence of centrifugal force to get rid of drip device outer side shifting, the conical plug inside it is driven to depart from cross bar, it is thrown out of via cross bar at the filtrate within the process mobile jib rotated, the filtrate thrown away impinges upon the vertex of a cone of conical plug, because the relation of vertex of a cone shape, shock makes filtrate be dispersed into droplet, thus expanding the area that liquid throws away；Liquid dispersion being become drop, compares the atomizing effect of nebulizer, the volume of this drop is relatively big, is combined use, carbon dioxide absorption better effects if with atomization filtrate.No matter the drop thrown away is get rid of to cascade filtration liquid pool, still gets rid of to the dividing plate of lower section, can be re-used.
Being interconnected bottom described single filter liquid pool and the one-level liquid-adding cell being arranged at outside described tank body, described cascade filtration liquid pool connects with bottom the two grades of liquid-adding cells being arranged at outside described tank body, and described one or two grades of liquid-adding cells are provided with top cover.By one or two grades of liquid-adding cells outside described tank body, it can be observed that the amount of solution in a cascade filtration liquid pool is how many, and can conveniently from here towards a cascade filtration liquid pool adding or extracting the solution needed out.Top cover prevents dust foreign material etc. from falling in a cascade filtration liquid pool.
The junction of described dividing plate and described tank body is arranged below connecing liquid box.Entering the biogas of cascade filtration room via described dividing plate, become calcium carbonate with after the calcium hydroxide reaction of atomization, because calcium carbonate is heavier, so the upper surface of described dividing plate can be dropped down onto, and calcium carbonate may proceed to become calcium bicarbonate with carbon dioxide reaction.In addition described dividing plate is centered by opening, and the sidewall to described tank body becomes inverted " v " shape to tilt, and described dividing plate upper surface is cambered surface, when calcium carbonate or calcium bicarbonate run up to a certain amount of after can flow down along the guiding gutter of described dividing plate, connect described in entrance in liquid box.
Be provided with water pump on the upside of described cascade filtration liquid pool, described water pump connect drainage tube, described drainage tube water inlet end be arranged at described in meet liquid cassette bottom portion, water side is placed in above described cascade filtration liquid pool.Described connecing has the calcium carbonate and calcium bicarbonate collected from described dividing plate in liquid box, tosca is in bottom, the inlet segment of described drainage tube meets liquid cassette bottom portion described in being arranged on, can calcium carbonate soln be withdrawn in described cascade filtration liquid pool by described water pump, because calcium carbonate can continue reaction with carbon dioxide and become calcium bicarbonate, so may continue as the filtrate use of carbon dioxide via the atomization of described ultrasonic transducer.Use as the filtrate of carbon dioxide via the atomization of described ultrasonic transducer.Aqua calcis so can be made to make full use of.Finally reclaim calcium bicarbonate solution as side-product.
It is provided with hothouse trachea in described condensation hothouse, described hothouse trachea is coil pipe, its two ends both pass through described hothouse dividing plate and extend to described cascade filtration indoor, the part that two ends extend to described cascade filtration indoor is set to horn mouth, on described hothouse trachea body, distribution has pore, both sides to arrange semiconductor cooling condenser.Biogas in described cascade filtration indoor is because of the stop of hothouse dividing plate, extend to the indoor horn mouth of described cascade filtration only by hothouse trachea to enter, and described hothouse trachea is coil pipe, on it, distribution has pore, it is again simultaneously from two ends air inlet, so two strands of gases in hothouse trachea will be discharged from pore after meeting uniformly, form one uniform air-flow.Under the refrigeration of described semiconductor cooling condenser, the wet gas in passed through biogas because the effect of the cool condenser of described quasiconductor is thus condensing, reach, with this, the purpose that dries, facilitating the carrying out of follow-up biogas treatment.Being provided with hothouse guiding gutter on described hothouse dividing plate, the liquid of condensation enters in the cascade filtration liquid pool that hothouse mozzle flows into lower section along hothouse guiding gutter.Hothouse trachea dish is circular, and circle centre position arranges water conservancy diversion airway, and described water conservancy diversion airway extends in described cascade filtration liquid pool through described hothouse dividing plate.Even if because the relation that temperature reduces, causing in the presently described hothouse trachea of liquid discharge having partial condensation, under the effect entering biogas, directly enter cascade filtration liquid pool via water conservancy diversion airway.Deng the liquid reclaimed in cascade filtration liquid pool time put away together just passable.
Described tank body upper surface connects solar charging panel, and described solar charging panel connects accumulator, electrically connects with described water pump.
Improved primary filter has good filter effect, can simplifying the required equipment used of later stage adsorption process, be that whole installation simplifies, volume reduces, convenient transportation, it is achieved go to collect and purifying biogas with Container Transport to each biogas collection point between town and country.
The technical scheme that the embodiment of the present invention provides has the benefit that the present invention is reasonable in design, simple in construction, by arranging independent inlet chamber, the gas making entrance is divided into two strands, wherein one gas is made to discharge and become the irregular flow direction by the steam vent arranged on spiral air inlet, mutually collide the effect that interference reaches to slow down with another strand of gas, baffle plate arranges natural clinoptilolite as adsorbent, play the effect that biogas preliminary purification is filtered.By gas blow head, biogas is disperseed, improve the effect of absorbing and filtering.Inverted " v " shape structure and opening can gather the biogas middle part to cascade filtration room, and reduce gas flow rate through velocity-reducing chamber, filtrate after atomization is fallen can be fully contacted with biogas by annular center opening, in combination with getting rid of a device, filtrate is thrown away with the form of droplet, filter also in relation with use with atomization, reach the effect of the best, in addition water receiving tank, water pump, drainage tube combines and makes because the calcium carbonate that reaction becomes again acts as absorbing carbon dioxide, and eventually become calcium bicarbonate side-product, avoid the problem that tradition methane purification method needs to discharge carbon dioxide.In addition improved primary filter has good filter effect, gas is carried out cooling and drying by condensation hothouse, the required equipment used of subsequent adsorbtion process can be simplified, so that single unit system simplifies, volume reduces, convenient transportation, it is achieved go to collect and purifying biogas with Container Transport to each biogas collection point between town and country.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is that the present invention gets rid of a device structural representation.
Fig. 3 is that centrifugal drying of the present invention drips plug enlarged drawing.
Fig. 4 be the present invention get rid of drip a device internal liquid move towards schematic diagram.
Fig. 5 is hothouse trachea coil arrangement schematic diagram of the present invention.
Wherein, accompanying drawing is labeled as: 1, tank body；2, dividing plate；3, opening；4, inlet chamber；5, air inlet pipe；6, baffle plate；7, passage；8, single filter liquid pool；9, dissipate start；10, cascade filtration liquid pool；11, ultrasonic transducer；12, one-level liquid-adding cell；13, two grades of liquid-adding cells；14, liquid box is connect；15, water pump；16, drainage tube；17, solar charging panel；18, observation window；21, velocity-reducing chamber；22, velocity-reducing chamber air inlet pipe；23, velocity-reducing chamber baffle plate；24, gas-bearing formation is dissipated；30, a device is got rid of；31, support；32, centrifugal drying drips plug；33, hairbrush；34, a device water pump is got rid of；35, driving mechanism；36, mobile jib；37, cross bar；41, block is got rid of；42, conical plug；43, centrifugal connecting rod；44, bar set；51, hothouse dividing plate；52, hothouse trachea；53, pore；54, semiconductor cooling condenser, 55, water conservancy diversion catheter.
Detailed description of the invention
It is all by CO2 emission to air for tradition methane purification, and the problem that single unit system is bigger, the present invention provides a kind of methane purification filtration drying device.
Embodiment one:
Referring to Fig. 1 to Fig. 5, the invention provides a kind of methane purification filtration drying device, as the primary filter in methane purification preprocessing process, including filtering tank, filtering tank is connected with biogas air collector, biogas is collected from biogas air collector, being extracted out by biogas in biogas air collector typically by blower fan, squeeze in filtering tank, filtering tank includes tank body 1, it is provided with the dividing plate 2 separated by tank body about 1 in tank body 1, in the middle part of dividing plate 2, leaves opening 3；Dividing plate 2 tilts along opening 3 to both sides, become inverted " v " shape, dividing plate 2 upper surface is the cambered surface that middle part raises up, dividing plate 2 both sides are provided with guiding gutter, dividing plate 2 arranges velocity-reducing chamber 21, velocity-reducing chamber 21 is a chamber passed through for biogas and reach deceleration purpose wherein, and opening 3 connects with the inlet channel of velocity-reducing chamber 21.Arranging inlet chamber 4 bottom tank body 1, arrange single filter room on the upside of inlet chamber 4, dividing plate 2 is provided above cascade filtration room；Being provided with baffle maze 6 and disc type air inlet pipe 5 in inlet chamber 4, cascade filtration room is provided above getting rid of drips device 30 and support 31, and support 31 two ends are fixing with tank body 1 inwall to be connected, and gets rid of a device 30 and is connected with support 31, is arranged on the central axis of tank body 1.Including horizontally disposed hothouse dividing plate 51 in tank body 1, hothouse dividing plate 51 is arranged on above cascade filtration room, fixes with tank body 1 inwall and is connected, arranges condensation hothouse on the upside of hothouse dividing plate 51.
Velocity-reducing chamber 21 includes velocity-reducing chamber air inlet pipe 22, velocity-reducing chamber air inlet pipe 22 is spiral type, through velocity-reducing chamber baffle plate 23, velocity-reducing chamber baffle plate 23 is crisscross arranged in velocity-reducing chamber 21, and the inwall only having one end and velocity-reducing chamber 21 is fixed and is connected, and is connected with dividing plate 2 bottom velocity-reducing chamber 21, top arranges scattered gas-bearing formation 24, opening 3 connects with the inlet end of velocity-reducing chamber air inlet pipe 22, and the other end of velocity-reducing chamber air inlet pipe 22 is closed, and on the body of velocity-reducing chamber air inlet pipe 22, distribution has steam vent；In order to gather the gas of single filter room, so dividing plate 2 is arranged to into inverted " v " shape, and make gas flow out by the opening 3 arranged in the middle part of it, but therefore structure can cause that gas flow rate is accelerated, so arranging velocity-reducing chamber 21 on the upside of the opening 3 of dividing plate 2, the gas of acceleration is slowed down again, to ensure the filter effect of gas.
The air inlet pipe 5 arranged in inlet chamber 4 is spiral disc type air inlet pipe and traverse baffle plate 6, baffle plate 6 only has one end and is connected with the cavity wall of inlet chamber 4, what baffle plate about 6 was staggered is arranged in inlet chamber 4, baffle plate 6 is made up of grid framework and the modified clinoptilolite that is arranged in framework, and modified clinoptilolite plays the effect of adsorbent.Air inlet pipe 5 is through baffle plate 6, and inlet chamber 4 arranged outside air inlet, air inlet one end connects with biogas air collector, other end connecting tee, the other two ends of threeway, and one end is connected with air inlet pipe 5, and the other end is passed directly in inlet chamber 4；In air inlet pipe 5, distribution has steam vent, and inlet chamber 4 top arranges some passages 7；Because biogas is slowly produced by chemical reaction, so it is very little generally to collect own pressure in the air collector of biogas, it is thus desirable to the biogas in air collector is extracted out by blower fan, consider the effect of single filter in order to improve biogas, by the inlet chamber of special construction, the biogas of entrance is slowed down, biogas is divided into two parts after entering threeway by air inlet, it is partly into air inlet pipe 5, another part is then directly entered in inlet chamber 4, entrance gas distribution is also functioned to slowing effect herein, enter the biogas in air inlet pipe 5, in advance process, discharge from the steam vent body, and because air inlet pipe 5 is spiral type, so the biogas direction discharged is irregular；On the other hand, the biogas of the inlet chamber 4 being directly entered, under the effect of baffle plate 6, its speed reduces, simultaneously with the abnormal flow discharged in air inlet pipe 5 to biogas collision, speed reduces further, the adsorbent in baffle plate 6 carry out preliminary absorption, wherein the foreign gas such as nitrogen is first tentatively adsorbed a part, enters in single filter room via the passage 7 at inlet chamber 4 top afterwards.
Single filter room is provided with single filter liquid pool 8, and single filter liquid pool 8 is arranged on the upside of inlet chamber 4, arranges gas blow head 9 bottom single filter liquid pool 8, and gas blow head 9 is connected by trachea with the passage 7 at inlet chamber 4 top；Gas blow head 9 is cylindrical, and on it, distribution has fine and closely woven aperture, selects the alkali resistant materials such as plastics, resin, glass to make.Play the effect that the biogas of entrance is dispersed into tiny bubble, improve the effect of gas filtration effect.
Cascade filtration room is provided with the cascade filtration liquid pool 10 being connected with tank body 1 medial wall, arranges ultrasonic transducer 11 bottom cascade filtration liquid pool 10；Cascade filtration liquid pool 10 edge is slightly above scattered gas-bearing formation 24.Dissipating gas-bearing formation 24 adopts same material to make with gas blow head 9, and it gathers aperture, plays the effect of dispersion and mitigation of gases flow velocity.
Cascade filtration liquid pool 10 edge is higher than dissipating 40 centimeters of gas-bearing formation 24 surface.
The filtrate used in single filter liquid pool 8 is sodium hydroxide solution, and the filtrate used in cascade filtration liquid pool 10 is aqua calcis.When biogas enters in single filter liquid pool 8 time, hydrogen sulfide therein and carbon dioxide react with filtrate and are absorbed.
Cascade filtration liquid pool 10 is annular, and ultrasonic transducer 11 arranges four, is evenly distributed in bottom cascade filtration liquid pool 10.Via single filter liquid pool gas upwards when arriving dividing plate 2, then gather along the direction of dividing plate 2 to opening 3 place in the middle part of it.The upper space of dividing plate 2 is entered from opening part.Aqua calcis in cascade filtration liquid pool 10 is atomized by ultrasonic transducer 11, the aqua calcis of atomization will overflow cascade filtration liquid pool 10, react with biogas out from dividing plate 2 opening, because being the calcium hydroxide of atomization, and the aqua calcis that loop configuration can ensure that atomization falls from annular center opening part concentration, biogas be again gathered by opening 3 slow down then through velocity-reducing chamber 21 after discharge, therefore can play well to carbon dioxide absorption effect.
Tank body 1 sidewall above cascade filtration liquid pool 10 is provided with it is observed that the observation window 18 of cascade filtration liquid pool 10.By observation window 18 it is observed that the liquid situation of cascade filtration liquid pool 10, because calcium carbonate is white precipitate, calcium bicarbonate is colourless with aqua calcis, so using the liquid in initial stage cascade filtration liquid pool 10 to be colourless at aqua calcis, white precipitate is had after using a period of time, when white precipitate be gradually reduced to do not have time, illustrate that internal filtrate has been changed to calcium bicarbonate solution substantially, side-product can be regarded take out, then add new calcium hydroxide and use as filtrate.
Getting rid of and drip the driving mechanism 35 that device 30 includes being made up of motor and gear, driving mechanism 35 connects the mobile jib 36 getting rid of a device 30, and the central axis of mobile jib 36 is provided with connecting rod, remainder hollow, and connecting rod is connected through support 31 with the driving axle of driving mechanism 35；Mobile jib 36 lateral symmetry arranges 24 cross bars 37,12, every side, and cross bar 37 is hollow pipe, and connects with the inside of mobile jib 36；The outboard end of cross bar 37 arranges centrifugal drying and drips plug 32；
Centrifugal drying drips plug 32 arranged outside and gets rid of block 41, get rid of fixing with the one end at the cone end of conical plug 42 and centrifugal connecting rod 43 inside block 41 connection, centrifugal connecting rod 43 is arranged on conical plug 42 both sides, the other end of centrifugal connecting rod 43 is plugged in bar set 44, centrifugal connecting rod 43 is overlapped with bar and is connected by spring between 44, and bar set 44 is fixing with the outboard end of cross bar 37 to be connected；
Arranging the promising mobile jib 36 dripping device 30 that gets rid of in support 31 and provide the feed pipe of liquid, feed pipe connection is got rid of and is dripped a device water pump 34, and its water side is arranged on the upside of mobile jib 36, and water inlet end is arranged on bottom cascade filtration liquid pool 10.By getting rid of a device water pump 34, the filtrate in cascade filtration liquid pool 10 is drawn in mobile jib 36, then under the effect of driving mechanism 35, get rid of a device 30 to rotate, after rotating speed improves, centrifugal drying drip plug 32 get rid of block 41 under the influence of centrifugal force to get rid of drip device 30 outer side shifting, the conical plug 42 inside it is driven to depart from cross bar 37, it is thrown out of via cross bar 37 at the filtrate within the process mobile jib 36 rotated, the filtrate thrown away impinges upon the vertex of a cone of conical plug 42, because the relation of vertex of a cone shape, shock makes filtrate be dispersed into droplet, thus expanding the area that liquid throws away；Liquid dispersion being become drop, compares the atomizing effect of nebulizer, the volume of this drop is relatively big, is combined use, carbon dioxide absorption better effects if with atomization filtrate.No matter the drop thrown away is get rid of to cascade filtration liquid pool 10, still gets rid of to the dividing plate 2 of lower section, can be re-used.
Being interconnected bottom single filter liquid pool 8 and the one-level liquid-adding cell 12 being arranged at outside tank body 1, cascade filtration liquid pool 10 connects with bottom the two grades of liquid-adding cells 13 being arranged at outside tank body 1, and one or two grades of liquid-adding cells are provided with top cover.By one or two grades of liquid-adding cells outside tank body 1, it can be observed that the amount of solution in a cascade filtration liquid pool is how many, and can conveniently from here towards a cascade filtration liquid pool adding or extracting the solution needed out.Top cover prevents dust foreign material etc. from falling in a cascade filtration liquid pool.
The junction of dividing plate 2 and tank body 1 is arranged below connecing liquid box 14.Entering the biogas of cascade filtration room via dividing plate 2, become calcium carbonate with after the calcium hydroxide reaction of atomization, because calcium carbonate is heavier, so the upper surface of dividing plate 2 can be dropped down onto, and calcium carbonate may proceed to become calcium bicarbonate with carbon dioxide reaction.This external partition 2 is centered by opening, and the sidewall to tank body 1 becomes inverted " v " shape to tilt, and dividing plate 2 upper surface is cambered surface, when calcium carbonate or calcium bicarbonate run up to a certain amount of after can flow down along the guiding gutter of dividing plate 2, enter and connect in liquid box 14.
Being provided with water pump 15 on the upside of cascade filtration liquid pool 10, water pump 15 connects drainage tube 16, and drainage tube 16 water inlet end is arranged at and connects bottom liquid box 14, and water side is placed in above cascade filtration liquid pool 10.Connect and liquid box 14 has the calcium carbonate and calcium bicarbonate collected from dividing plate 2, tosca is in bottom, the inlet segment of drainage tube 16 is arranged on and connects bottom liquid box 14, can calcium carbonate soln be withdrawn in cascade filtration liquid pool 10 by water pump 15, because calcium carbonate can continue reaction with carbon dioxide and become calcium bicarbonate, so may continue as the filtrate use of carbon dioxide via ultrasonic transducer 11 atomization.It is atomized the filtrate as carbon dioxide via ultrasonic transducer 11 to use.Aqua calcis so can be made to make full use of.Finally reclaim calcium bicarbonate solution as side-product.
Being provided with hothouse trachea 52 hothouse trachea 52 in condensation hothouse is coil pipe, its two ends both pass through hothouse dividing plate 51 and extend to cascade filtration indoor, the part that two ends extend to cascade filtration indoor is set to horn mouth, on hothouse trachea 52 body, distribution has pore 53, and both sides arrange semiconductor cooling condenser 54.Biogas in cascade filtration indoor is because of the stop of hothouse dividing plate 51, extend to the indoor horn mouth of cascade filtration only by hothouse trachea 52 to enter, and hothouse trachea 52 is coil pipe, on it, distribution has pore 53, it is again simultaneously from two ends air inlet, so two strands of gases in hothouse trachea 52 will be discharged from pore 53 after meeting uniformly, form one uniform air-flow.Under the refrigeration of semiconductor cooling condenser 54, the wet gas in passed through biogas because the effect of the cool condenser 54 of quasiconductor is thus condensing, reach, with this, the purpose that dries, facilitating the carrying out of follow-up biogas treatment.Being provided with hothouse guiding gutter on hothouse dividing plate 51, the liquid of condensation enters in the cascade filtration liquid pool 10 that hothouse mozzle flows into lower section along hothouse guiding gutter.Hothouse trachea 52 dish is circular, and circle centre position arranges water conservancy diversion airway 55, and water conservancy diversion airway 55 extends in cascade filtration liquid pool 10 through hothouse dividing plate 51.Even if because the relation that temperature reduces, causing in the present hothouse trachea 52 of liquid discharge having partial condensation, under the effect entering biogas, directly enter cascade filtration liquid pool 10 via water conservancy diversion airway 55.Deng the liquid reclaimed in cascade filtration liquid pool 10 time put away together just passable.
Tank body 1 upper surface connects solar charging panel 17, and solar charging panel 17 connects accumulator, electrically connects with water pump.
This methane purification preparation method of the modified clinoptilolite adsorbent of application in filtration drying device:
Natural clinoptilolite is that is produced from Changbai Mountain, and the main chemical compositions of natural clinoptilolite is:
| Component | SiO2 | MgO | Fe2O3 | Na2O | TiO2 | K2O | Al2O3 | MnO | CaO |
| Content % | 66.6 | 1.94 | 2.52 | 0.91 | 0.55 | 1.11 | 12.34 | 0.12 | 4.25 |
First with 40-60 DEG C of distilled water, natural clinoptilolite is cleaned, at 80 DEG C, dry diel.Then with the hydrochloric acid solution that concentration is 0.1mol/l impregnates 6-8h, with distilled water wash 6-8 time,
In ion exchange column, zeolite is carried out dynamic ion-exchange, first with the CaCl2 solution exchange 2h of 1mol/l at 70 DEG C, exchange 2 times, then deionized water wash is used 2-3 time, zeolite continues at 70 DEG C with the KCl solution exchange 2h of 1mol/l, exchange 1 time, then deionized water wash is used 2-3 time, then zeolite continues at 70 DEG C with the NH4Cl solution exchange 4h of 1mol/l, exchange 2 times, then deionized water wash is used 2-3 time, 8-15min is calcined at finally zeolite being warming up to 200-220 DEG C with the heating rate of 10 DEG C/min under vacuum, then it is cooled to 140-150 DEG C of calcining 20-25min with the rate of temperature fall of 5 DEG C/min, finally it is warming up to 260-270 DEG C of calcining 90-120min with the heating rate of 10 DEG C/min, obtain the clinoptilolite modifiied.
Contrast and application test
| Adsorbent | N2 adsorbance (mmol/g) under 1 atmospheric pressure | CH4 adsorbance (mmol/g) under 1 atmospheric pressure | The ratio of N2 and CH4 adsorbance |
| Matched group natural clinoptilolite adsorbent | 0.1823 | 0.1204 | 1.51 |
| Modified clinoptilolite adsorbent | 0.8929 | 0.1782 | 5.01 |
As can be known from the results, the adsorbance of nitrogen and methane is all increased by modified clinoptilolite to some extent, but the ratio of the adsorbance of nitrogen and methane is 1.51 before modified, the ratio of the adsorbance of modified nitrogen and methane is 5.01, exceed well over the ratio of the adsorbance of nitrogen before modified and methane be unmodified before 3.32 times.Therefore modified clinoptilolite is obviously improved for pressure-variable adsorption separation of nitrogen/methane effect as nitrogen selective adsorbent, it is possible to as the high-selectivity adsorption agent of pressure-variable adsorption separation of nitrogen, methane.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. a methane purification filtration drying device, including filtering tank, described filtering tank is connected with biogas air collector, it is characterized in that, described filtering tank includes tank body (1), the dividing plate (2) separated up and down by described tank body (1) it is provided with in described tank body (1), described dividing plate (2) middle part is provided with opening (3), periphery is fixing with the inwall of described tank body (1) to be connected, arranging velocity-reducing chamber (21) on described dividing plate (2), described opening (3) connects with the inlet channel of described velocity-reducing chamber (21)；Described tank body (1) bottom arranges inlet chamber (4), and described inlet chamber (4) upside arranges single filter room, and described dividing plate (2) is provided above cascade filtration room；The air inlet pipe (5) of baffle maze (6) and disc type it is provided with in described inlet chamber (4)；Described cascade filtration room is provided above getting rid of drips device (30) and support (31), described support (31) two ends are fixing with described tank body (1) inwall to be connected, a described device (30) that gets rid of is connected with described support (31), is arranged on the central shaft of described tank body (1)；Including horizontally disposed hothouse dividing plate (51) in described tank body (1), described hothouse dividing plate (51) is arranged on above described cascade filtration room, fixes with described tank body (1) inwall and is connected, and described hothouse dividing plate (51) upside arranges condensation hothouse.
2. methane purification filtration drying device according to claim 1, it is characterised in that:
Described velocity-reducing chamber (21) includes velocity-reducing chamber air inlet pipe (22), described velocity-reducing chamber air inlet pipe (22) is spiral type, through velocity-reducing chamber baffle plate (23), described velocity-reducing chamber baffle plate (23) is crisscross arranged in described velocity-reducing chamber (21), and the inwall only having one end and described velocity-reducing chamber (21) fixes and is connected, described velocity-reducing chamber (21) bottom is connected with described dividing plate (2), top arranges scattered gas-bearing formation (24), described opening (3) connects with the inlet end of described velocity-reducing chamber air inlet pipe (22), the other end of described velocity-reducing chamber air inlet pipe (22) is closed, on the body of described velocity-reducing chamber air inlet pipe (22), distribution has steam vent；
Described baffle plate (6) in described inlet chamber (4) only has one end and is connected with the cavity wall of described inlet chamber (4), described air inlet pipe (5) is spiral type and the described baffle plate of traverse (6), described inlet chamber (4) arranged outside air inlet, described air inlet one end connects with described biogas air collector, other end connecting tee, the other two ends of described threeway, one end is connected with described air inlet pipe (5), and the other end is passed directly in described inlet chamber (4)；The upper distribution of described air inlet pipe (5) has steam vent, and described inlet chamber (4) top arranges some passages (7)；
Described single filter room is provided with single filter liquid pool (8), described single filter liquid pool (8) is arranged at described inlet chamber (4) upside, described single filter liquid pool (8) bottom arranges gas blow head (9), and described gas blow head (9) is connected by trachea with the described passage (7) at described inlet chamber (4) top；
Described cascade filtration room is provided with the cascade filtration liquid pool (10) being connected with described tank body (1) medial wall, and described cascade filtration liquid pool (10) bottom arranges ultrasonic transducer (11)；Described cascade filtration liquid pool (10) edge is higher than described scattered gas-bearing formation (24)；
The filtrate used in described single filter liquid pool (8) is sodium hydroxide solution, and the filtrate used in described cascade filtration liquid pool (10) is aqua calcis；
Described tank body (1) sidewall of described cascade filtration liquid pool (10) top is provided with it is observed that the observation window (18) of described cascade filtration liquid pool (10)；
Described getting rid of drips the driving mechanism (35) that device (30) includes being made up of motor and gear, described driving mechanism (35) gets rid of, described in connecting, the mobile jib (36) dripping device (30), the central axis of described mobile jib (36) is provided with connecting rod, remainder hollow, described connecting rod is connected through described support (31) with the driving axle of described driving mechanism (35)；Described mobile jib (36) lateral symmetry arranges some cross bars (37), and described cross bar (37) is hollow pipe, and connects with the inside of described mobile jib (36)；The outboard end of described cross bar (37) arranges centrifugal drying and drips plug (32)；
Described centrifugal drying drips plug (32) arranged outside and gets rid of block (41), described get rid of block (41) inner side with at the bottom of the cone of conical plug (42) and centrifugal connecting rod (43) one end fix be connected, described centrifugal connecting rod (43) is arranged on described conical plug (42) both sides, the other end of described centrifugal connecting rod (43) is plugged in bar set (44), being connected by spring between described centrifugal connecting rod (43) with described bar set (44), described bar set (44) is fixing with the outboard end of described cross bar (37) to be connected；Arrange in described support (31) promising described in get rid of drip device (30) described mobile jib (36) provide liquid feed pipe, the connection of described feed pipe is got rid of and is dripped a device water pump (34), its water side is arranged on described mobile jib (36) upside, and water inlet end is arranged on described cascade filtration liquid pool (10) bottom；
Hothouse trachea (52) it is provided with in described condensation hothouse, described hothouse trachea (52) is coil pipe, its two ends both pass through described hothouse dividing plate (51) and extend to described cascade filtration indoor, the part that two ends extend to described cascade filtration indoor is set to horn mouth, on described hothouse trachea (52) body, distribution has pore (53), and both sides arrange semiconductor cooling condenser (54).
3. methane purification filtration drying device according to claim 2, it is characterised in that described cascade filtration liquid pool (10) is annular, and described ultrasonic transducer (11) arranges four, is evenly distributed in described cascade filtration liquid pool (10) bottom.
4. methane purification filtration drying device according to claim 2, it is characterised in that what described baffle plate (6) interlocked up and down is arranged in described inlet chamber (4), and described baffle plate (6) is grid framework, arranges modified clinoptilolite adsorbent in described framework.
5. the filtration drying device of the methane purification according to claim 2-4, it is characterized in that, described single filter liquid pool (8) and one-level liquid-adding cell (12) bottom being arranged at described tank body (1) outside are interconnected, described cascade filtration liquid pool (10) connects with two grades of liquid-adding cell (13) bottoms being arranged at described tank body (1) outside, and described one or two grades of liquid-adding cells are provided with top cover.
6. the filtration drying device of the methane purification according to claim 2-5, it is characterised in that the junction of described dividing plate (2) and described tank body (1) is arranged below connecing liquid box (14).
7. methane purification filtration drying device according to claim 6, it is characterized in that, described cascade filtration liquid pool (10) upside is provided with water pump (15), described water pump (15) connects drainage tube (16), described drainage tube (15) water inlet end connects liquid box (14) bottom described in being arranged at, and water side is placed in described cascade filtration liquid pool (10) top.
8. methane purification filtration drying device according to claim 6, it is characterised in that described tank body upper surface connects solar charging panel (17), described solar charging panel (17) connects accumulator, electrically connects with described water pump.
9. according to the arbitrary described methane purification filtration drying device of claim 1-8, it is characterized in that, described dividing plate (2) tilts along described opening (3) to both sides, becomes inverted " v " shape, described dividing plate (2) upper surface is the cambered surface that middle part is protruding, and described dividing plate (2) both sides are provided with guiding gutter.
10. the preparation method according to the modified clinoptilolite adsorbent applied in the arbitrary described methane purification filtration drying device of claim 4-9:
First with 40-60 DEG C of distilled water, natural clinoptilolite zeolite is cleaned, at 80 DEG C, dry diel；
Then with the hydrochloric acid solution that concentration is 0.1mol/l impregnates 6-8h, with distilled water wash 6-8 time,
In ion exchange column, zeolite is carried out dynamic ion-exchange, first with the CaCl2 solution exchange 2h of 1mol/l at 70 DEG C, exchange 2 times, then deionized water wash is used 2-3 time, zeolite continues at 70 DEG C with the KCl solution exchange 2h of 1mol/l, exchange 1 time, then deionized water wash is used 2-3 time, then zeolite continues at 70 DEG C with the NH4Cl solution exchange 4h of 1mol/l, exchange 2 times, then deionized water wash is used 2-3 time, 8-15min is calcined at finally zeolite being warming up to 200-220 DEG C with the heating rate of 10 DEG C/min under vacuum, then it is cooled to 140-150 DEG C of calcining 20-25min with the rate of temperature fall of 5 DEG C/min, finally it is warming up to 260-270 DEG C of calcining 90-120min with the heating rate of 10 DEG C/min, obtain the clinoptilolite modifiied.
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| CN108117904A (en) * | 2017-12-28 | 2018-06-05 | 天津良华新能源科技有限公司 | A kind of CNG gas stations gas drier |
| CN108421799A (en) * | 2018-02-08 | 2018-08-21 | 广州佶兔工业设计有限公司 | A kind of landfill material gas recycling device of environmental protection |
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| CN105597503A (en) * | 2016-01-28 | 2016-05-25 | 济南思拓新源医药科技有限公司 | Novel marsh gas pretreatment device |
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| CN108315069A (en) | 2018-07-24 |
| CN105713692B (en) | 2018-05-15 |
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