CN105597664A - Natural gas purifying agent and using method thereof - Google Patents

Natural gas purifying agent and using method thereof Download PDF

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Publication number
CN105597664A
CN105597664A CN201610013529.6A CN201610013529A CN105597664A CN 105597664 A CN105597664 A CN 105597664A CN 201610013529 A CN201610013529 A CN 201610013529A CN 105597664 A CN105597664 A CN 105597664A
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natural gas
purification
cleanser
regeneration
sulfur
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李志义
李晓澎
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
    • B01J20/0248—Compounds of B, Al, Ga, In, Tl
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
    • 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
    • C10L3/103—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
    • C10L3/106—Removal of contaminants of water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/206—Organic halogen compounds
    • B01D2257/2064—Chlorine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/302—Sulfur oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/304—Hydrogen sulfide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/306—Organic sulfur compounds, e.g. mercaptans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
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    • B01D2257/504—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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  • General Chemical & Material Sciences (AREA)
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  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The invention belongs to the technical field of natural gas purifying, and particularly relates to a natural gas purifying agent and a using method thereof. A molecular sieve is adopted as the natural gas purifying agent, and the purifying agent is prepared by sintering, by weight, 19%-21% of SiO2, 19%-21% of NiO2, 19%-21% of MnO2, 19%-21% of Fe2O3, 9%-11% of Al2O3, 0.1%-0.5% of ZnO, 0.5%-2% of Fe3Al and the balance a binding agent. According to the purifying agent, impurities such as chloride (organic chloride and inorganic chloride), water, organic sulfur (26 kinds of organic sulfur such as sulfur alcohol, sulfur ether, thiophene and tetrahydrothiophene), inorganic sulfur (such as hydrogen sulfide and sulfur dioxide), carbon dioxide, petroleum, mercury, arsenic, pentamethylbenzene and hexamethylbenzene which are contained in natural gas are removed through a one-step method, the purifying efficiency is higher, the effect is better, better safety and reliability are achieved, adopted purifying equipment and operation mode are all very simple, occupied space is small, the investment is little, the cost is low, and the purifying agent is suitable for industrial application.

Description

A kind of natural gas purification agent and using method thereof
Technical field
The invention belongs to natural gas purification technical field, be specifically related to a kind of natural gas purification agent and user thereofMethod.
Background technology
In chemical industry, heat treatment industry, a large amount of natural gases that use are as raw material and heat treatment gas sources, still due to skySo gas is much the product of gained after being manufactured by crude oil or natural gas gas ore deposit, and natural gas gas ore deposit is through preliminary de-nothingMachine sulphur enters city and uses, if foul smell is inadequate, also will add smelly processing, to ensure that resident uses safely gas, natural gasComprise chloride (organic chloride and butter), organic sulfur (mercaptan, thioether, thiophene, tetrahydrochysene26 kinds, thiophene etc.), inorganic sulfur (hydrogen sulfide, sulfur dioxide etc.), also contain in addition a large amount of water, titanium dioxideThe impurity such as carbon, oil, mercury, arsenic, pentamethylbenzene, hexamethylbenzene, this is for chemical industry and heat treated article matterAmount can have a negative impact, and therefore, in the time need to using the higher natural gas of purity, should first carry out only natural gasChange and process, remove chloride (organic chloride and butter), water, organic sulfur (sulphur in natural gas26 kinds of alcohol, thioether, thiophene, thiophanes etc.), inorganic sulfur (hydrogen sulfide, sulfur dioxide etc.), titanium dioxideThe materials such as carbon, oil, mercury, arsenic, pentamethylbenzene, hexamethylbenzene.
British patent document GB2252308 discloses a kind of method that removes sour gas in gaseous mixture,The method mainly comprise with solvent absorption sour gas and with air lift method regenerate spent solvent, solvent used byThe aqueous mixture composition of dimethylethanolamine, the concentration of dimethylethanolamine is 30%-70% (weight).Although the method can remove sour gas preferably, still exist organic sulfur and water content is large, operationCost is high, and complicated operation exists the shortcomings such as environmental pollution.
For example: patent of invention ZL98111874.4, one-step method remove mercury in natural gas, arsenic, pentamethylbenzene,Hexamethylbenzene, chloride (organic chloride and butter) DeGrain, to organic sulfur mercaptan, sulphur26 kinds of ether, thiophene, thiophanes etc.) be also weak, for example thiophene, thiophane, in inorganic sulfur twoSulfur oxide effect is not good enough.
Also have at present the method for a variety of purified natural gas, but be all to adopt multistep or at least two steps to removeChloride (organic chloride and butter) wherein, water, organic sulfur (mercaptan, thioether, thiophene,26 kinds of thiophanes etc.), inorganic sulfur (hydrogen sulfide, sulfur dioxide etc.), carbon dioxide, oil, mercury, arsenic,The material such as pentamethylbenzene, hexamethylbenzene.
Summary of the invention
The object of the invention is to the deficiency existing for prior art, a kind of purification of purified natural gas is providedAgent, one-step method remove chloride (organic chloride and butter) in natural gas, organic sulfur (mercaptan,26 kinds of thioether, thiophene, thiophanes etc.), inorganic sulfur (hydrogen sulfide, sulfur dioxide), carbon dioxide, water,Oil, mercury, arsenic, pentamethylbenzene, hexamethylbenzene.
Natural gas purification agent of the present invention is a kind of molecular sieve, comprise following weight proportion material composition sintering andBecome: SiO219-21％、NiO219-21％、MnO219-21％、Fe2O319-21％、Al2O39-11％、ZnO0.1％-5％、Fe3All the other are binding agent for Al0.5-2%.
Preferably, described cleanser also includes percentage by weight and is the K of 0.1%-3%2O、CaO、Na2OAnd ZrO2。
The purification method that the present invention proposes is as follows:
1) one-step purification: natural gas to be clean is passed into by the purification pot top that described cleanser is housed,Gas pressure below 0.1Mpa, in purification pot after the absorption of cleanser normal temperature, normal pressure, under purification potPortion's output;
2) cleanser regeneration: when the chloride (organic chloride and butter) of cleanser absorption, water,Organic sulfur (26 kinds of mercaptan, thioether, thiophene, thiophanes etc.), inorganic sulfur (hydrogen sulfide, sulfur dioxide),The impurity such as carbon dioxide, oil, mercury, arsenic, pentamethylbenzene, hexamethylbenzene, when chloride and sulphur reach capacityJust it is regenerated:
A, stop passing into of natural gas, upwards passed in air or nitrogen blowing purification pot by the bottom of purification potNatural gas, after having purged, again purification pot is carried out to external heat, temperature is controlled between 250 DEG C-500 DEG C;
B, under normal pressure, continue to be passed into air or nitrogen to top by purification pot bottom and implement the regeneration of cleanser,Recovery time is 1-2 days, detects regeneration emission gases by instrument, until in regeneration emission gases (there be chlorideMachine chloride and butter), water, organic sulfur (26 kinds of mercaptan, thioether, thiophene, thiophanes etc.),Inorganic sulfur (hydrogen sulfide, sulfur dioxide), carbon dioxide, oil, mercury, arsenic, pentamethylbenzene, hexamethylbenzeneSubstantially while not having Deng impurity, the adsorbate of cleanser is removed substantially, regenerates complete.
Preferably, step 2) to control temperature in a be 250 DEG C-450 DEG C.
Concrete, described cleaning equipment has cleaning equipment body of heater, and heating is housed on body of heater, and body of heater is in-builtPurification pot, the agent of purification pot built-in purifying, purification pot top connects into raw natural gas and regeneration discharging waste gas pipe,Purification pot bottom connects gas pipeline and the logical nitrogen of regeneration and the air pipe line after purifying; Enter raw natural gas pipeWhile entering nitrogen or air pipe line and regeneration when road, regeneration, on discharging waste gas pipeline, moisture separator is set respectively.
Further, purification pot top arranges fast pressure relief explosion-protection equipment.
In the present invention, moisture separator is set on raw natural gas air inlet pipeline and prevents from having in raw natural gas a large amount ofFree water enters purification pot, when natural gas regeneration, moisture separator is set on the pipeline that passes into nitrogen or air anti-Only nitrogen or air have a large amount of free waters to enter purification pot, on regeneration dispersing gas pipeline, moisture separator are set anti-Only in dispersing gas, a large amount of free waters enters port and flame-out etc.
Preferably, although the debugging through pressure testing leakproof in pipe-line system, for the purpose of more safely, may go outNow leak the increase of segregation place and leak the warning system that exceeds standard.
The purification method of this method has merged chemistry, electrochemical action, physisorption and physical filtering effect,Relevant reaction equation is for example: H2S+Fe2O3＝FeS+H2O。
Beneficial effect of the present invention:
1, this method is owing to having adopted special cleanser, and than existing cleanser, its primary raw material selectsWith SiO2、NiO2、MnO2、Fe2O3、Fe3Al、Al2O3, the consumption that they propose in the present invention is joinedUnder ratio, the purification of natural gas is had to extraordinary specific aim, especially wherein to NiO2、Fe2O3Select,NiO2、Fe2O3Mix and make desulfurized effect better with other oxides, therefore it adds very important. Just byIn the choose reasonable of the primary raw material to cleanser and consumption, the present invention just can reach and remove institute in natural gas simultaneouslyThe chloride (organic chloride and butter) that contains, water, organic sulfur (mercaptan, thioether, thiophene,26 kinds of thiophanes etc.), inorganic sulfur (hydrogen sulfide, sulfur dioxide etc.), carbon dioxide, oil, mercury, arsenic,The impurity such as pentamethylbenzene, hexamethylbenzene, thus purification work one step is completed, like this adopt cleaning equipment andMode of operation is all very simple, takes up an area little, less investment, expense is low, is applicable to commercial Application.
2, purification efficiency is high, and decontamination index can reach: chloride (organic chloride and butter)≤1mg/Nm3, organic sulfur (26 kinds of mercaptan, thioether, thiophene, thiophanes etc.)≤3mg/Nm3, inorganic sulfur (sulphurChange hydrogen, sulfur dioxide etc.)≤1mg/Nm3, oil≤0, mercury≤0, arsenic≤0, pentamethylbenzene≤1mg/Nm3, hexamethylbenzene≤1mg/Nm3, carbon dioxide≤0.5mg/Nm3, the inspection of 60 DEG C of dew point hygrometers of moisture content dew point≤﹣Survey (40 DEG C of trace water detectors of ﹣ detect conversion).
3, the present invention has adopted under normal pressure and has heated blowing air or nitrogen regeneration the regeneration of cleanser, and regeneration is simpleEffectively, cleanser long service life, ensures 20 years service lifes.
4, the regenerative process of cleanser has been adopted to reverse gas circuit design, while purification, natural gas is by purification potTop passes into bottom, and when regeneration air passed into by purification pot bottom, this is all very favourable to electrolysis method.
5, the inventive method can be widely used in the industry such as chemical industry, heat treatment.
Brief description of the drawings
Fig. 1 is the structural representation of the purification pot of this method use;
In figure: purification pot 1, cleanser 2, heating 3, fast pressure relief explosion-protection equipment 4, purifier stoveWhen the regeneration of entering raw natural gas pipeline 6, series connection moisture separator of body 5, series connection moisture separator, enter nitrogenOr discharging waste gas pipeline 8 in air pipe line 7, when the regeneration of series connection moisture separator.
Detailed description of the invention
Embodiment adopts the inventive method to carry out the purification of natural gas
Referring to Fig. 1, purification pot 1 is contained in body of heater, and heating 3 is housed on body of heater, and purification pot 1 is carried outExternal heat, purification pot 1 built-in purifying agent 2. Purification pot 1 top connects into raw natural gas 6 and regeneration rowPut flue gas leading 8, purification pot bottom connects gas pipeline and the logical nitrogen of regeneration and the air pipe line 7 after purifying.Series connection respectively on discharging waste gas pipeline while entering nitrogen or air pipe line and regeneration while entering raw natural gas pipeline, regenerationThere is moisture separator.
Natural gas to be clean is passed into tank through moisture separator by purification pot 1 top of built-in purifying agent 2In, adsorbing through cleanser 2 purification pot 1 is interior, the natural gas after purification is exported by purification pot 1 bottom, completesPurify. When cleanser 2 adsorb chloride (organic chloride and butter), water, organic sulfur (mercaptan,26 kinds of thioether, thiophene, thiophanes etc.), inorganic sulfur (hydrogen sulfide, sulfur dioxide etc.), carbon dioxide,When the impurity such as oil, mercury, arsenic, pentamethylbenzene, hexamethylbenzene reach capacity, need regenerate to it, regenerationStep be: the first step, first stop natural gas gas and pass into, by passing into through aqueous vapor and separate from purification pot 1 bottomAir after device separates or nitrogen are also waited for after the natural gas discharge in tank, then use heating 3 to purification pot1 carries out external heat, makes it temperature and reaches between temperature range 250-500 DEG C of setting, is preferably controlled atBetween 250 DEG C-450 DEG C. Second step, continue upwards to pass into through moisture separator and divide by purification pot 1 bottom simultaneouslyFrom after regeneration air or nitrogen, regeneration air or nitrogen carry chloride in cleanser (organic chloride andButter), water, organic sulfur (26 kinds of mercaptan, thioether, thiophene, thiophanes etc.), inorganic sulfur (sulphurChange hydrogen, sulfur dioxide etc.), the impurity such as carbon dioxide, oil, mercury, arsenic, pentamethylbenzene, hexamethylbenzene byPurification pot 1 top is igniting or tank discharge after moisture separator separates, and when regeneration is after certain hour, passes throughInstrument detect emission gases, until regeneration emission gases in chloride (organic chloride and butter),Water, organic sulfur (26 kinds of mercaptan, thioether, thiophene, thiophanes etc.), inorganic sulfur (hydrogen sulfide, dioxyChange sulphur etc.), the impurity such as carbon dioxide, oil, mercury, arsenic, pentamethylbenzene, hexamethylbenzene is not while substantially having,The adsorbate that is cleanser is removed substantially, regenerates complete.
Use cleanser content proportioning following (% by weight, in table 1): above-mentioned raw materials is divided through sintering cellular intoSon sieve, puts into purification pot and uses. It is in this area, to make the porous sintered of this type that the present invention adopts binding agentMaterial is commonly used binding agent.
Table 1 cleanser proportioning
SiO2 MnO2 NiO2 Fe2O3 Al2O3 Fe3Al ZnO K2O CaO Na2O ZrO2 Binding agent
Example 1 20％ 20％ 20％ 20％ 10％ 1％ 1％ 1％ 1％ 0.5％ 0.5％ 5％
Example 2 21％ 21％ 21％ 21％ 9％ 0.5％ 0.5％ 1％ 1％ 0.5％ 0.5％ 3％
Example 3 19％ 19％ 19％ 19％ 11％ 1.5％ 2％ 0.5％ 0.5％ 1％ 2％ 5.5％
Carry out through the gas material that adopts this method (as the cleanser proportioning of example 2) to use generalization factoryPurify, after purifying, Contrast on effect is in table 2.
Table 2 natural gas purification effect
Note: city gas is because of certain reason, and total sulfur reaches 1200mg sometimes, also can be purified to below total sulfur 3mg.

Claims (7)

1. natural gas purification agent, is characterized in that: be a kind of molecular sieve, comprise the raw material of following weight proportionComposition sintering forms: SiO219-21％、NiO219-21％、MnO219-21％、Fe2O319-21％、Al2O39-11％、ZnO0.1％-5％、Fe3Al0.5-2%, all the other are binding agent.
2. natural gas purification agent as claimed in claim 1, is characterized in that: described cleanser also includesPercentage by weight is the K of 0.1%-3%2O、CaO、Na2O and ZrO2。
3. natural gas purification method, is characterized in that: comprise the steps:
1) one-step purification: by natural gas to be clean by the clean of cleanser described in claim 1 or 2 is housedChange tank top and pass into, gas pressure, below 0.1Mpa, adsorbs through cleanser normal temperature, normal pressure in purification potAfter, exported by purification pot bottom;
2) cleanser regeneration: when the chloride of cleanser absorption, water, organic sulfur, inorganic sulfur, carbon dioxide,The impurity such as oil, mercury, arsenic, pentamethylbenzene, hexamethylbenzene, when wherein chloride and sulphur reach capacity, just rightIt is regenerated:
A, stop passing into of natural gas, upwards pass into air or nitrogen by purification pot bottom, purge in purification potNatural gas, after having purged, again purification pot is carried out to external heat, temperature is controlled between 250 DEG C-500 DEG C;
B, under normal pressure, continue to be passed into air or nitrogen to top by purification pot bottom and implement the regeneration of cleanser,As recovery time, be 1-2 days, by instrument detect regeneration emission gases, until regeneration emission gases in chloride,The impurity bases such as water, organic sulfur, inorganic sulfur, carbon dioxide, oil, mercury, arsenic, pentamethylbenzene, hexamethylbenzeneOriginally while not having, the adsorbate of cleanser is removed substantially, regenerates complete.
4. method as claimed in claim 3, is characterized in that: step 2) to control temperature in a be 250 DEG C-450℃。
5. the method as described in claim 3 or 4, is characterized in that: described cleaning equipment is established by purificationStandby body of heater, is equipped with heating on body of heater, body of heater built-in purifying tank, and the agent of purification pot built-in purifying, on purification potPortion connects into raw natural gas and regeneration discharging waste gas pipe, purification pot bottom connect gas pipeline after purifying andThe logical nitrogen of regeneration and air pipe line; While entering nitrogen or air pipe line and regeneration while entering raw natural gas pipeline, regenerationMoisture separator is set respectively on discharging waste gas pipeline.
6. method as claimed in claim 5, is characterized in that: it is explosion-proof that purification pot top arranges fast pressure reliefDevice.
7. the method as described in claim 5 or 6, is characterized in that: may occur that leaking segregation place establishesPut and leak the warning system that exceeds standard.
CN201610013529.6A 2016-01-08 2016-01-08 Natural gas purifying agent and using method thereof Pending CN105597664A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111073717A (en) * 2019-12-30 2020-04-28 李晓澎 Natural gas purifying agent and method for purifying natural gas

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1227255A (en) * 1998-02-26 1999-09-01 李志义 Purifying agent for natural gas and its purifying method
CN101020129A (en) * 2007-03-30 2007-08-22 李晓澎 One-step purifying process for ammonia and methanol
CN102836695B (en) * 2012-08-07 2015-01-07 李晓澎 Purifying agent and purifying method for purifying acetylene, propane, liquefied petroleum gas and FCC (Fluid Catalytic Cracking) petroleum

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1227255A (en) * 1998-02-26 1999-09-01 李志义 Purifying agent for natural gas and its purifying method
CN101020129A (en) * 2007-03-30 2007-08-22 李晓澎 One-step purifying process for ammonia and methanol
CN102836695B (en) * 2012-08-07 2015-01-07 李晓澎 Purifying agent and purifying method for purifying acetylene, propane, liquefied petroleum gas and FCC (Fluid Catalytic Cracking) petroleum

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张玉军等编著: "《结构陶瓷材料及其应用》", 31 March 2005 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111073717A (en) * 2019-12-30 2020-04-28 李晓澎 Natural gas purifying agent and method for purifying natural gas

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