CN109609228A - Biogas environmental protection purifying plant - Google Patents
Biogas environmental protection purifying plant Download PDFInfo
- Publication number
- CN109609228A CN109609228A CN201910010776.4A CN201910010776A CN109609228A CN 109609228 A CN109609228 A CN 109609228A CN 201910010776 A CN201910010776 A CN 201910010776A CN 109609228 A CN109609228 A CN 109609228A
- Authority
- CN
- China
- Prior art keywords
- desulfurization
- ammonia
- dust collection
- except
- biogas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- 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
- C10L3/102—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
- C10L3/105—Removal of contaminants of nitrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
Biogas environmental protection purifying plant, including desulfurization unit, except ammonia unit, incinerator and pressurization water elution canister, desulfurization unit is made of preceding desulfurized dust collection column, rear desulfurized dust collection column and molecular sieve adsorber, and preceding washing liquid pool and rear washing liquid pool is respectively set in preceding desulfurization and dedusting tower bottom and rear desulfurization and dedusting tower bottom；Except ammonia unit includes dilute sulfuric acid storage tank and removes ammonia tank, the molecular sieve adsorber gas vent of desulfurization unit is connected with the air inlet pipe except ammonia tank；Except the escape pipe of ammonia tank is connected with pressurization water elution canister lower part, the leakage fluid dram of the washing liquid pool of front desulfurization and dedusting tower bottom, the liquid outlet of molecular sieve adsorber and the water elution canister that pressurizes is connected with incinerator respectively.Apparatus of the present invention can thoroughly be handled carbon dioxide in methane and a small amount of hydrogen sulfide and ammonia, it avoids the harmful components in biogas and enters atmosphere and cause environmental pollution, corrosion of the biogas to equipment is avoided simultaneously, has the advantages that design is reasonable, operation is convenient and handles energy-efficient.
Description
Technical field
The present invention relates to biogas treatment technical fields, and in particular to a kind of biogas environmental protection purifying plant.
Background technique
In recent years, with the continuous reduction of non-renewable resources, new energy is gradually play an important role.It wherein, can be in life
Rationally utilizing for biogas is in widespread attention.The main component of biogas is methane, carbon dioxide and a small amount of vulcanization
Hydrogen and ammonia, biogas obtain bio-natural gas to processing and must be by sulfur therein, ammonia and carbon dioxide eliminatings, at present
Marsh gas treatment device can not remove ammonia in biogas desulfurization link, enter in a small amount of ammonia of biogas and biogas mixed gas
In water washing decarbonizing process, ammonia is dissolved in water, generates ammonium hydroxide, has toxicity, and to eye, nose, skin is irritant and corrosivity, can make
People's asphyxia, ammonia and ammonium hydroxide corrode equipment in biogas desulfurization decarbonization process, while ammonia is discharged into atmosphere from decarbonization process, pollution
Environment.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of biogas environmental protection purifying plants, at biogas
Reason is not thorough the problem of leading to environmental pollution.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of biogas environmental protection purifying plant, including desulfurization unit, except ammonia unit, incinerator and pressurization water elution canister, take off
Sulphur unit is made of preceding desulfurized dust collection column, rear desulfurized dust collection column and molecular sieve adsorber, preceding desulfurized dust collection column and rear desulfurization and dedusting
Tower is connected in series, and preceding washing liquid pool and rear washing liquid pool is respectively set in preceding desulfurization and dedusting tower bottom and rear desulfurization and dedusting tower bottom,
Preceding desulfurized dust collection column gas phase enters rear desulfurization and dedusting tower bottom, gas vent and the molecular sieve adsorber phase of rear desulfurized dust collection column
Even, the washing liquid pool of preceding desulfurization and dedusting tower bottom is communicated by washing pump with two desulfurized dust collection column tops；Except ammonia unit includes
Dilute sulfuric acid storage tank and ammonia tank is removed, dilute sulfuric acid storage tank is connected by replenishing line with except ammonia pot bottom, the molecular sieve suction of desulfurization unit
Adnexa gas vent is connected with the air inlet pipe except ammonia tank；Except the escape pipe of ammonia tank is connected with pressurization water elution canister lower part, front
The leakage fluid dram difference of the washing liquid pool of desulfurization and dedusting tower bottom, the liquid outlet of molecular sieve adsorber and the water elution canister that pressurizes
It is connected with incinerator.
Several shower trays built in above-mentioned desulfurized dust collection column and several spiral boards are installed at each desulfurized dust collection column top exit
Demister.
A bypass pipe is connected between the above-mentioned air inlet pipe and an air outlet pipe except ammonia tank.
The above-mentioned air inlet pipe outlet except ammonia tank is located at the liquid level except ammonia tank or less.
When apparatus of the present invention are run: cleaning solution is gypsum solution in washing liquid pool, and biogas enters preceding desulfurized dust collection column and passes through
The sulphur and ash content that Multi-stage spiral and spray removal wherein contain, gas phase enter back into rear desulfurized dust collection column and continue what removal wherein contained
Then sulphur and ash content, gas phase enter back into further adsorption treatment in molecular sieve adsorber, gas passes through air inlet pipe after last desulfurization
Into except in ammonia tank, except dilution heat of sulfuric acid with the ammonia in gas reacts removing in ammonia tank, except the gas after ammonia enters back into pressurization
It contacts, is finally discharged by pressurization water elution canister, former and later two desulfurized dust collection columns with shower water absorption in tank in washing decarbonizing tank
Tower reactor cleaning solution respectively enters in respectively connected washing liquid pool, and the liquid of rear portion desulfurized dust collection column bottom wash liquid pool passes through company
Siphunculus enters in preceding washing liquid pool, the cleaning solution of preceding desulfurized dust collection column bottom wash liquid pool, molecular sieve adsorber cleaning solution with
And the water lotion of pressurization water elution canister send and burns into incinerator, except the ammonium sulfate liquid that ammonia pot bottom generates can be used as chemical industry
Raw material is sold outside.
Apparatus of the present invention by desulfurization unit, except be integrated in one can be to natural pond for ammonia unit, incinerator and pressurization water elution canister
Carbon dioxide and a small amount of hydrogen sulfide and ammonia are thoroughly handled in gas, are avoided the harmful components in biogas and are entered atmosphere and make
At environmental pollution, while avoiding corrosion of the biogas to equipment, have design rationally, operation is convenient and handles energy-efficient excellent
Point.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the connection schematic diagram of apparatus of the present invention.
Liquid pool, 5 washing pumps, 6 burnings are washed after washing liquid pool, 4 before 1 in figure behind desulfurized dust collection column, 2 before desulfurized dust collection column, 3
Furnace, 7 molecular sieve adsorbers, 8 shower trays, 9 spiral boards, 10 demisters, 11 are except ammonia tank, 12 dilute sulfuric acid storage tanks, 13 pressurization water elutions
Canister, 14 air inlet pipe, 15 escape pipes, 16 bypass pipes.
Specific embodiment
As shown, a kind of biogas environmental protection purifying plant, including desulfurization unit, except ammonia unit, incinerator 6 and pressurization washing
Decarbonizing tank 13, desulfurization unit are made of preceding desulfurized dust collection column 1, rear desulfurized dust collection column 2 and molecular sieve adsorber 7, preceding desulfurization and dedusting
Tower 1 and rear desulfurized dust collection column 2 are connected in series, and preceding cleaning solution is respectively set in preceding desulfurization and dedusting tower bottom and rear desulfurization and dedusting tower bottom
Pond 3 and rear washing liquid pool 4, several shower trays 8 and several spiral boards 9 built in each desulfurized dust collection column, each desulfurization and dedusting tower top
Demister 10 is installed in portion exit, and preceding desulfurized dust collection column gas phase enters rear desulfurization and dedusting tower bottom, the gas of rear desulfurized dust collection column
Outlet is connected with molecular sieve adsorber, and the washing liquid pool of preceding desulfurization and dedusting tower bottom passes through washing pump 5 and two desulfurized dust collection columns
Top communicates；Except ammonia unit includes dilute sulfuric acid storage tank 12 and removes ammonia tank 11, dilute sulfuric acid storage tank is by replenishing line and removes ammonia tank bottom
Portion is connected, and the molecular sieve adsorber gas vent of desulfurization unit is connected with the air inlet pipe 14 except ammonia tank；Except the escape pipe 15 of ammonia tank
It is connected with pressurization water elution canister lower part, the liquid outlet for washing liquid pool, molecular sieve adsorber of front desulfurization and dedusting tower bottom
And the leakage fluid dram of pressurization water elution canister is connected with incinerator respectively, except connection one between the air inlet pipe and an air outlet pipe of ammonia tank
Bypass pipe 16, except the air inlet pipe outlet of ammonia tank is located at the liquid level except ammonia tank or less.Except ammonia tank is set as cylindrical, diameter 1.5m,
High 5m, passes in and out tracheae and biogas pipeline is mating, and fluid infusion drain pipe diameter 3cm, valve and fluid infusion drain pipe are mating, removes ammonia pot sidewall
PH value monitoring meter, thermometer, liquidometer are set, and except acid corrosion-resistant filler is filled in ammonia tank, air inlet pipe is introduced from ammonia tank upper end is removed
Away from ammonia pot bottom 50cm is removed, escape pipe connects present apparatus rear end biogas pipeline, disengaging tracheae end from the extraction of ammonia tank top is removed for insertion
End is set as honeycomb hole, shut-off valve and check valve is arranged on pipeline.
When apparatus of the present invention are run: biogas enters what preceding desulfurized dust collection column was wherein contained by Multi-stage spiral and spray removal
Sulphur and ash content, gas phase enter back into rear desulfurized dust collection column and continue sulphur and ash content that removal wherein contains, then gas phase enters back into molecule
Further adsorption treatment in absorber is sieved, gas is entered by air inlet pipe and removed in ammonia tank after last desulfurization, except dilute sulfuric acid in ammonia tank
Solution reacts removing with the ammonia in gas, adsorbs except the gas after ammonia enters back into pressurization water elution canister with shower water in tank
Contact is finally discharged by pressurization water elution canister, former and later two desulfurized dust collection column tower reactor cleaning solutions respectively enter respectively connected
It washs in liquid pool, the liquid of rear portion desulfurized dust collection column bottom wash liquid pool is entered in preceding washing liquid pool by communicating pipe, preceding desulfurization
The cleaning solution of gas wash tower bottom wash liquid pool, the cleaning solution of molecular sieve adsorber and pressurize water elution canister water lotion send to
It burns in incinerator, is sold in addition to the ammonium sulfate liquid that ammonia pot bottom generates can be used as industrial chemicals.
Claims (4)
1. a kind of biogas environmental protection purifying plant, it is characterized in that including desulfurization unit, except ammonia unit, incinerator and pressurization water elution carbon
Tank, desulfurization unit are made of preceding desulfurized dust collection column, rear desulfurized dust collection column and molecular sieve adsorber, preceding desulfurized dust collection column and rear desulfurization
Gas wash tower is connected in series, and preceding washing liquid pool and rear cleaning solution is respectively set in preceding desulfurization and dedusting tower bottom and rear desulfurization and dedusting tower bottom
Pond, preceding desulfurized dust collection column gas phase enter rear desulfurization and dedusting tower bottom, the gas vent and molecular sieve adsorber of rear desulfurized dust collection column
It is connected, the washing liquid pool of preceding desulfurization and dedusting tower bottom is communicated by washing pump with two desulfurized dust collection column tops；Except ammonia unit packet
It includes dilute sulfuric acid storage tank and except ammonia tank, dilute sulfuric acid storage tank is connected by replenishing line with ammonia pot bottom is removed, the molecular sieve of desulfurization unit
Absorber gas vent is connected with the air inlet pipe except ammonia tank；It is preceding except the escape pipe of ammonia tank is connected with pressurization water elution canister lower part
The leakage fluid dram point of the washing liquid pool of portion's desulfurization and dedusting tower bottom, the liquid outlet of molecular sieve adsorber and the water elution canister that pressurizes
It is not connected with incinerator.
2. biogas environmental protection purifying plant according to claim 1, it is characterized in that several shower trays built in desulfurized dust collection column and
Several spiral boards install demister at each desulfurized dust collection column top exit.
3. biogas environmental protection purifying plant according to claim 1, it is characterized in that except between the air inlet pipe and an air outlet pipe of ammonia tank
Connect a bypass pipe.
4. biogas environmental protection purifying plant according to claim 1, it is characterized in that removing ammonia except the air inlet pipe outlet of ammonia tank is located at
Below the liquid level of tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010776.4A CN109609228A (en) | 2019-01-07 | 2019-01-07 | Biogas environmental protection purifying plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010776.4A CN109609228A (en) | 2019-01-07 | 2019-01-07 | Biogas environmental protection purifying plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109609228A true CN109609228A (en) | 2019-04-12 |
Family
ID=66016880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910010776.4A Pending CN109609228A (en) | 2019-01-07 | 2019-01-07 | Biogas environmental protection purifying plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109609228A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981138A (en) * | 2019-12-23 | 2020-04-10 | 广州天外科技有限公司 | Municipal new forms of energy are promoted and are used septic tank marsh gas recovery clarification plant |
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|---|---|---|---|---|
| DE102010017027B3 (en) * | 2009-10-23 | 2011-06-22 | Erdgas Südwest GmbH, 76275 | Method for operating man-made and/or biogenic methane-containing gas generating system e.g. biogas system, in natural gas network, involves supplying gas flow to heating system, and storing electrical energy generated in system in supply |
| CN202924978U (en) * | 2012-11-29 | 2013-05-08 | 孟祥坤 | Methane purifying and generation control device |
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| CN207928972U (en) * | 2017-12-18 | 2018-10-02 | 河北昊天热力发展有限公司 | For hot waste gas environment-friendly processing unit |
-
2019
- 2019-01-07 CN CN201910010776.4A patent/CN109609228A/en active Pending
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| CN202924978U (en) * | 2012-11-29 | 2013-05-08 | 孟祥坤 | Methane purifying and generation control device |
| CN105000739A (en) * | 2015-07-10 | 2015-10-28 | 华中农业大学 | Biogas liquid reducing treatment and biogas collaborative purification system and purification method |
| CN106867608A (en) * | 2017-04-11 | 2017-06-20 | 常州大学 | A kind of methane-desulfurizing device |
| CN206955975U (en) * | 2017-05-10 | 2018-02-02 | 东莞新盈能源利用有限公司 | A kind of methane purification cleaning system |
| CN207838675U (en) * | 2017-05-24 | 2018-09-11 | 天津华迈环保设备有限公司 | A kind of purifier system of high sulfur-bearing biogas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981138A (en) * | 2019-12-23 | 2020-04-10 | 广州天外科技有限公司 | Municipal new forms of energy are promoted and are used septic tank marsh gas recovery clarification plant |
| CN110981138B (en) * | 2019-12-23 | 2020-11-06 | 肇庆悦能科技有限公司 | Municipal new forms of energy are promoted and are used septic tank marsh gas recovery clarification plant |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |
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| RJ01 | Rejection of invention patent application after publication |