CN205398566U - Purifier is retrieved to marsh gas - Google Patents
Purifier is retrieved to marsh gas Download PDFInfo
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- CN205398566U CN205398566U CN201620157682.1U CN201620157682U CN205398566U CN 205398566 U CN205398566 U CN 205398566U CN 201620157682 U CN201620157682 U CN 201620157682U CN 205398566 U CN205398566 U CN 205398566U
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Abstract
The utility model provides a purifier is retrieved to marsh gas, include steam and water separation device, at least one desulphurization unit and water seal voltage regulator device through the consecutive expert of pipeline, be equipped with at least two -layer separating layer in the steam and water separation device, desulphurization unit is including jar body and arrange a jar internal at least one deck desulfurization layer in, the desulfurization layer is by the formation that vertically superposes of desulfurizer, catalyst and bearing board. Through set up a plurality of desulphurization unit in purifier is retrieved to marsh gas, desulphurization unit is including jar body and arrange a jar internal a plurality of desulfurization layer in, carries out hierarchical layering desulfurization through a plurality of desulphurization unit and a plurality of desulfurization layer to marsh gas, has improved the utilization efficiency of desulfurizer, has reduced the alternative costs of desulfurizer, has improved the purification purity of marsh gas, has reduced use cost.
Description
Technical field
This utility model relates to technical field of environment protection equipment, particularly relates to a kind of methane recovery purifier.
Background technology
H in biogas2S is a kind of flammable colourless severe toxicity gas, and for the colourless gas having rotten egg abnormal smells from the patient under room temperature, its aqueous solution, hydrosulphuric acid, has corrosivity.In methane recovery process, it to be carried out desulfurization process.There is a lot of problem in traditional sulfur method, if the steam-water separation effect before desulfurization is poor, it is impossible to thoroughly removing the steam in biogas and some impurity etc., steam can be brought in desulfurizing agent, and time one length may result in desulfurizing agent and is easily broken differentiation.Generally being provided only with one layer of desulfurizing agent in existing desulfurizer, cause that the utilization ratio of desulfurizing agent reduces, heat can build up and can cause danger in the course of the work, and the purification purity of biogas is also difficult to ensure that simultaneously, and changes the relatively costly of desulfurizing agent.The stable gas pressure effect of conventional apparatus is poor, and fluctuation is big.
In view of this, it is necessary to methane recovery purifier of the prior art is improved, to solve the problems referred to above.
Utility model content
The purpose of this utility model be in that open a kind of energy fully, the device of high-efficient purification biogas, in order to reduce the replacement cost of desulfurizing agent, improve the utilization rate of desulfurizing agent.
For achieving the above object, this utility model provides a kind of methane recovery purifier, it is sequentially connected logical moisture separation device, at least one desulfurizer and water seal stable-pressure device including by pipeline, at least double-layer separate absciss layer it is provided with in described moisture separation device, described desulfurizer includes tank body and at least one of which desulfurization layer being placed in tank body, and described desulfurization layer is formed by desulfurizing agent, catalyst and supporting plate longitudinal direction superposition.
In some embodiments, including at least two desulfurizer, at least one of which tank body, set at least two-layer desulfurization layer.
In some embodiments, it is provided with in the first stratum disjunctum arranged up and down and the second stratum disjunctum in described moisture separation device, described first stratum disjunctum is formed by adsorbent, catalysis lining net and the first supporting plate longitudinal direction superposition, and described second stratum disjunctum is formed by ripple packing and the second supporting plate longitudinal direction superposition.
In some embodiments, at least one tank base is provided with passage.
In some embodiments, described tank surface is provided with at least one thief hole, and described thief hole is positioned at the top of desulfurization layer.
In some embodiments, at least one tank surface is provided with two thief holes, and described thief hole lays respectively at the top of desulfurization layer.
In some embodiments, the filling of described desulfurizing agent is highly 25-100cm.
In some embodiments, described water seal stable-pressure device includes housing, described case top is provided with escape pipe, described housing sidepiece is provided with inlet manifold and at least one air intake branch being connected with inlet manifold, and the bottom of described air intake branch is provided with at least one venthole.
In some embodiments, the opening of described venthole is wedge shaped or trapezoidal.
In some embodiments, it is provided with at least one filter screen in described air intake branch.
Compared with prior art, the beneficial effects of the utility model are: by arranging several desulfurizers in methane recovery purifier, desulfurizer includes tank body and the some desulfurization layers being placed in tank body, by multiple desulfurizers and multiple desulfurization layer, biogas is carried out hierarchical classification desulfurization, reduce the alternative costs of desulfurizing agent, improve the utilization ratio of desulfurizing agent, reduce use cost.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of a kind of methane recovery purifier of this utility model；
Fig. 2 is the moisture separation device structural representation of a kind of methane recovery purifier of this utility model；
Fig. 3 is the desulfurizer structural representation of a kind of methane recovery purifier of this utility model；
Fig. 4 is the water seal stable-pressure device structural representation of a kind of methane recovery purifier of this utility model.
Detailed description of the invention
Below in conjunction with each embodiment shown in the drawings, this utility model is described in detail; but it should what illustrate is; these embodiments are not limitation of the utility model; those of ordinary skill in the art, according to the equivalent transformation in these embodiment institute work energy, method or structure or replacement, belong within protection domain of the present utility model.
Please join Fig. 1 a kind of detailed description of the invention of the present utility model extremely illustrated in fig. 4.
In the present embodiment, methane recovery purifier includes the moisture separation device 1, at least one desulfurizer 2 and the water seal stable-pressure device 3 that are sequentially communicated by pipeline.
Being provided with the first stratum disjunctum 13 and the second stratum disjunctum 12 in moisture separation device 1, the first stratum disjunctum 13 is positioned on the second stratum disjunctum 12.First stratum disjunctum 13 is longitudinally formed by stacking by adsorbent 133, catalysis lining net 132 and the first supporting plate 131.Second stratum disjunctum 12 is formed by the longitudinal superposition of ripple packing 122 and the second supporting plate 121.First supporting plate 131 and the second supporting plate 121 are anti-corrosion material, and are preferably stainless steel material, and surface is provided with multiple circular hole, and the diameter of circular hole is about 5-8mm.First supporting plate 131 plays the effect supporting adsorbent 133 and catalysis lining net 132, and the second supporting plate 121 plays the effect supporting ripple packing 122.
Biogas is entered in moisture separation device 1 by the first air inlet 11, and owing to the density of biogas is less than the density of air, biogas can rise automatically.Biogas passes through the second stratum disjunctum 12, enters in ripple packing 122 by circular hole on the second supporting plate 121, and ripple packing 122 can be pottery ripple, netted ripple or composite corrugated, and is preferably ceramic ripple.Owing to ripple packing 122 is internal containing numerous tortuous aperture, when biogas is by ripple packing 122, biogas institute band steam will be liquefied as water droplet, and water droplet is flowed down by the circular hole on the second supporting plate 121, is discharged by the first row mouth of a river 10.Remaining biogas enters the first stratum disjunctum 13, is entered by the circular hole on the first supporting plate 131 in catalysis lining net 132 and adsorbent 133.Adsorbent 133 is preferably alumina material, and alumina material is diameter is the spherical porous particles of white of 5mm, and alumina material can adsorb the steam in biogas and impurity；Catalysis lining net 132 can be Cu or Pt metal, and is preferably Cu, and thickness is 1-2mm, and catalysis lining net 132 1 aspect can accelerate the process of adsorbent 133 absorption, plays the effect supporting adsorbent 133 on the other hand.Moisture separation device 1 surface is additionally provided with the first thief hole 15 and the second thief hole 16.First thief hole 15 and the first stratum disjunctum 13 are positioned at same level or the position slightly above the first stratum disjunctum 13, convenient observation and replacement adsorbent 133, second thief hole 16 and the second stratum disjunctum 12 are positioned at same level or the position slightly above the second stratum disjunctum 12, convenient observation and replacement ripple packing 122.Through two-layer steam lock out operation, the steam in biogas and impurity having been removed, last biogas is discharged by gas outlet 14.
Methane recovery purifier includes several desulfurizers 2, carries out Multistage desulfuration reaction by multiple desulfurizers 2, improves the desulfurized effect of biogas.Desulfurizer 2 includes tank body 20 and several desulfurization layers being placed in tank body 20, in the present embodiment, tank body 20 is provided with the first desulfurization layer 23 and the second desulfurization layer 22 arranged up and down, first desulfurization layer 23 is formed by the longitudinal superposition of desulfurizing agent 233, catalyst 232 and the 3rd supporting plate 231, and the second desulfurization layer 22 is formed by the longitudinal superposition of desulfurizing agent 223, catalyst 222 and the 4th supporting plate 221.
Biogas first passes around the second desulfurization layer 22, the desulfurizing agent 223 in the second desulfurization layer 22 biogas carries out first time desulfurization, then by the desulfurizing agent 233 in the first desulfurization layer 23, biogas carries out second time desulfurization.As needed in tank body 20 is provided with several desulfurization layers, and several tank bodies 20 can be formed multiple desulfurizer 2 by placed in series, it is achieved that to the classification of biogas, layering desulfurization, through repeatedly desulphurization reaction, improve the purification purity of biogas.Traditional desulfurizer 2 is internal is generally provided only with a pull-up sulfur layer, if desulfurization layer need to be changed, needs whole replacing, then causes desulfurizing agent alternative costs higher.But in this device, after use after a while, desulfurizing agent 223 in second desulfurization layer 22 may lose efficacy, and the desulfurizing agent 233 in the first desulfurization layer 23 can also normally use, and now has only to open the 4th thief hole 224 and changes the desulfurizing agent 223 in the second desulfurization layer 22.This layering is arranged, and the use time of the desulfurizing agent arranged in posterior desulfurization layer is longer, generally first replaces the desulfurizing agent arranged in preceding desulfurization layer.The layering of this desulfurizing agent arranges the utilization ratio that can improve desulfurizing agent, and the alternative costs reducing desulfurizing agent prevent desulfurizing agent in the course of the work because excess calories accumulates the danger caused, and reduce use cost simultaneously.
3rd supporting plate 231 and the 4th supporting plate 221 are anti-corrosion material, and are preferably stainless steel material, and surface is provided with multiple circular hole 2311, and the diameter of circular hole 2311 is about 5-8mm.Catalyst 232 and catalyst 222 are Cu or Pt metal, and it is preferably Cu, thickness is 1-2mm, and the process of desulphurization reaction is played the effect that a kind of catalysis is accelerated by catalyst 232 and catalyst 222 1 aspect, plays the effect supporting desulfurizing agent 233 and desulfurizing agent 223 on the other hand.Desulfurizing agent 233 and desulfurizing agent 223 are limestone, Calx or TFC series of oxidation ferrum desulfurizing agent, are preferably TFC series of oxidation ferrum desulfurizing agent in present embodiment, and in desulphurization reaction process, sulfide gas and ferric oxide desulfurizer react generation iron sulfide or elemental sulfur.The filling of desulfurizing agent 233 and desulfurizing agent 223 is highly 25-100cm, and most preferably is 50cm.
Tank body 20 surface is provided with at least one thief hole, and the quantity of the quantity of thief hole and desulfurization layer matches, and thief hole and desulfurization layer are positioned at same level or the position slightly above desulfurization layer.In the present embodiment, tank body 20 surface is provided with the 3rd thief hole 234 and the 4th thief hole 224,3rd thief hole 234 and the first desulfurization layer 23 are positioned at same level or the position slightly above the first desulfurization layer 23, and the 4th thief hole 224 and the second desulfurization layer 22 are positioned at same level or the position slightly above the second desulfurization layer 22.The desulfurizing agent 233 in the first desulfurization layer 23 can be conveniently observed and replace by the 3rd thief hole 234, the desulfurizing agent 223 in the second desulfurization layer 22 can be conveniently observed and replace by the 4th thief hole 224.Discharge by the second gas outlet 24 through the reacted biogas of multi-layer desulfurization.
Biogas after steam separation and desulfurization enters in water seal stable-pressure device 3, and water seal stable-pressure device 3 top offers escape pipe 35, and biogas is finally collected at escape pipe 35 place.It is provided with inlet manifold 31 in the inside of water seal stable-pressure device 3, and the some air intake branches 32 communicated with inlet manifold 31, several filter screens 34 it are provided with in air intake branch 32, filter screen 34 can be arbitrarily angled placement, and the rising passway of air intake branch 32 is completely covered, and preferably circular, filter screen 34 is provided with circular hole 341, the diameter of circular hole 341 is about 3-5um, can biogas further be filtered.Air intake branch 32 extends into the bottom of water seal stable-pressure device 3, and the sidewall bottom air intake branch 32 is provided with some ventholes 33, and the peristome of venthole 33 can be wedge shape or trapezoidal, and is preferably wedge shape.If not arranging multiple venthole 33 on the sidewall bottom air intake branch 32, biogas can cause liquid fluctuation when arriving bottom air intake branch 32, and air pressure can change, and the stability of whole methane recovery purifier is affected.The water inlet pipe 36 that water seal stable-pressure device 3 also includes being arranged on water seal stable-pressure device 3 top and the drain pipe 37 bottom water seal stable-pressure device 3, the displacement of inflow and drain pipe 37 by controlling water inlet pipe 36, the air pressure size of methane recovery purifier can be regulated voluntarily, make methane recovery purifier keep voltage stabilizing state.
Passage 25 it is additionally provided with bottom tank body 20, when steam separating effect declines, the moisture in biogas is easily desulfurized agent absorption, causes that desulfurizing agent breaks due to efflorescence easy after absorption excess moisture, thus the circular hole 2311 blocked on the 3rd supporting plate 231 or the 4th supporting plate 221, cause that biogas cannot rise.In the desulfurization layer that the broken powder formed of desulfurizing agent can enter in next stage desulfurizer with biogas, thus causing poor circulation.When certain grade of desulfurizer breaks down, then disable this grade of desulfurizer, dry hot-air is passed into from passage 25, it is used for the moisture drying in desulfurizing agent, oxygen in air can to desulfurizer regeneration simultaneously, and take away the molecule in desulfurizing agent, the moisture after desulfurizing agent drying is discharged by the second row mouth of a river 26 bottom tank body 20.
The a series of detailed description of those listed above is only for illustrating of feasibility embodiment of the present utility model; they are also not used to limit protection domain of the present utility model, all should be included within protection domain of the present utility model without departing from this utility model skill equivalent implementations of making of spirit or change.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (10)
1. a methane recovery purifier, it is sequentially connected logical moisture separation device, at least one desulfurizer and water seal stable-pressure device including by pipeline, it is characterized in that, at least double-layer separate absciss layer it is provided with in described moisture separation device, described desulfurizer includes tank body and at least one of which desulfurization layer being placed in tank body, and described desulfurization layer is formed by desulfurizing agent, catalyst and supporting plate longitudinal direction superposition.
2. methane recovery purifier according to claim 1, it is characterised in that include at least two desulfurizer, sets at least two-layer desulfurization layer at least one of which tank body.
3. methane recovery purifier according to claim 1, it is characterized in that, it is provided with in the first stratum disjunctum arranged up and down and the second stratum disjunctum in described moisture separation device, described first stratum disjunctum is formed by adsorbent, catalysis lining net and the first supporting plate longitudinal direction superposition, and described second stratum disjunctum is formed by ripple packing and the second supporting plate longitudinal direction superposition.
4. the methane recovery purifier according to claims 1 or 2, it is characterised in that at least one tank base is provided with passage.
5. methane recovery purifier according to claim 1, it is characterised in that at least one tank surface is provided with at least one thief hole, and described thief hole is positioned at the top of desulfurization layer.
6. methane recovery purifier according to claim 5, it is characterised in that at least one tank surface is provided with two thief holes, and described thief hole lays respectively at the top of desulfurization layer.
7. methane recovery purifier according to claim 1, it is characterised in that the filling of described desulfurizing agent is highly 25-100cm.
8. methane recovery purifier according to claim 1, it is characterized in that, described water seal stable-pressure device includes housing, described case top is provided with escape pipe, described housing sidepiece is provided with inlet manifold and at least one air intake branch being connected with inlet manifold, and the bottom of described air intake branch is provided with at least one venthole.
9. methane recovery purifier according to claim 8, it is characterised in that the opening of described venthole is wedge shaped or trapezoidal.
10. methane recovery purifier according to claim 8, it is characterised in that be provided with at least one filter screen in described air intake branch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620157682.1U CN205398566U (en) | 2016-03-01 | 2016-03-01 | Purifier is retrieved to marsh gas |
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| CN201620157682.1U CN205398566U (en) | 2016-03-01 | 2016-03-01 | Purifier is retrieved to marsh gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106947684A (en) * | 2017-01-20 | 2017-07-14 | 湖南大学 | A kind of methane-generating pit heating system and methane-generating pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106947684A (en) * | 2017-01-20 | 2017-07-14 | 湖南大学 | A kind of methane-generating pit heating system and methane-generating pit |
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