CN108144410A - For purifying the cleaning apparatus for self of oven gas - Google Patents
For purifying the cleaning apparatus for self of oven gas Download PDFInfo
- Publication number
- CN108144410A CN108144410A CN201810078452.XA CN201810078452A CN108144410A CN 108144410 A CN108144410 A CN 108144410A CN 201810078452 A CN201810078452 A CN 201810078452A CN 108144410 A CN108144410 A CN 108144410A
- Authority
- CN
- China
- Prior art keywords
- naphthalene
- butterfly valve
- pneumatic butterfly
- detar
- charcoal canister
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/32—Purifying combustible gases containing carbon monoxide with selectively adsorptive solids, e.g. active carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention discloses for purifying the cleaning apparatus for self of oven gas, naphthalene charcoal canister device is taken off including multiple detars being in parallel, detar takes off naphthalene charcoal canister device and takes off naphthalene charcoal canister, inlet pneumatic butterfly valve and outlet Pneumatic butterfly valve including detar, be provided with inlet pneumatic butterfly valve pipeline be in parallel after main pipe line on be disposed with temperature display meter and electric heater, export Pneumatic butterfly valve pipeline be in parallel after main pipe line on be disposed with wind turbine and VOCs Density Detection Instruments；The present invention can effectively control combustible concentration in the desorption gas in each stage, securely and reliably using staged desorption by heating；It solves the corrosion problems of equipment, extends equipment and the service life of activated carbon；It is desorbed efficient, recyclable higher boiling, the organic substance for having utility value.
Description
Technical field
The invention belongs to technical field of coal chemical industry, and in particular to having during a kind of coke-stove gas LNG can automatically cleaning
Detar take off naphthalene activated-carbon device.
Background technology
Coke-stove gas production liquefied natural gas is using the coke-stove gas of coke-oven plant's by-product as raw material, using process for synthesizing methane
Technology produces SNG（Natural gas from coal）, SNG is through cryogenic liquefying into LNG（Liquefied natural gas）.Containing a certain amount of miscellaneous in oven gas
Matter needs to purify it to meet the requirement of technical process, and technique productions device includes compression, desulfurization, synthesis, liquefaction four
A workshop section.A main preliminary purification process unit takes off naphthalene charcoal canister for detar wherein in compression section.Existing
Technology in, when detar takes off the activated carbon adsorption saturation in naphthalene charcoal canister, a kind of is to replace activated carbon using offline
Technique, another kind are to be desorbed out by the organic solvent in activated carbon gap using high-temperature vapor.
Using the offline technique for replacing activated carbon, it is simple by activated carbon as fixed-end forces, it is uneconomical, also not environmentally；
And the operation of offline process can make entire coke-stove gas LNG process disruptions, influence to produce.It will be active using high-temperature vapor
The technique that organic solvent in charcoal gap is desorbed out, because containing H in coke-stove gas2The substances such as S, the meeting in vapor desorption process
Acid corrosion is led to the problem of, influences the service life of equipment that detar takes off naphthalene charcoal canister；It can be used in entire desorption process
A large amount of vapor, and existing organic exhaust gas in product is desorbed, and have vapor, it needs to be separated and recovered again；Vapor
Desorption can generate the discharge of wastewater containing organic substance of a large amount of acidity, and not environmentally, the costly of water is discharged in processing, influences economy
Benefit；Activated carbon, repeatedly through vapor, condensation water erosion, be easy to cause activated carbon capillary surface by incrustation scale calcium in desorption process
Change, influence adsorption efficiency and shorten the service life of activated carbon；Vapor is detached into difficulty from activated carbon and energy consumption is big.Even
When vapor is desorbed, system is in anaerobic environment, the H of the absorption in activated carbon2On this condition, monomer can be precipitated in the substances such as S
Sulphur has the risk of obstruction pipeline.
Invention content
The present invention overcomes the deficiencies in the prior art, provide a kind of cleaning apparatus for self for being used to purify oven gas.The present apparatus
The online staged desorption by heating of naphthalene charcoal canister is taken off by detar, can be realized in the not parking situation of plant area's process unit
Under, meet production needs, ensure follow-up system long-period stable operation, and can overcome and waste water is generated when being desorbed using vapor
Shortcoming while without wastewater treatment, is back to desorption air source using the nitrogen after organic substance purified treatment, saves production
Cost.
In order to achieve the above object, the present invention is achieved through the following technical solutions.
For purifying the cleaning apparatus for self of oven gas, naphthalene charcoal canister device, institute are taken off including multiple detars being in parallel
The detar stated takes off naphthalene charcoal canister device and takes off naphthalene charcoal canister, inlet pneumatic butterfly valve and outlet Pneumatic butterfly valve including detar,
The inlet pneumatic butterfly valve is arranged on connection detar and takes off on the pipeline of naphthalene charcoal canister entrance, the outlet Pneumatic butterfly valve
It is arranged on connection detar to take off on the pipeline of naphthalene charcoal canister outlet, the pipeline for being provided with inlet pneumatic butterfly valve is in parallel
Temperature display meter and electric heater are disposed on main pipe line afterwards, after the pipeline of the outlet Pneumatic butterfly valve is in parallel
Main pipe line on be disposed with wind turbine and VOCs Density Detection Instruments.
The present invention has following row advantageous effect compared with prior art.
The present invention uses staged desorption by heating, that is, uses the stair step fashion for rising to high temperature stage by stage by low temperature, due to
The adsorbance of Active Carbon in Organic matter is reduced with the raising of temperature, and the temperature of activated carbon is increased, can make by
The component of activated carbon adsorption is desorbed, the temperature cycle variation in whole process, and the pollutant that boiling point is more than phase temperature is several
It is not desorbed, can effectively control combustible concentration in the desorption gas in each stage, securely and reliably.The corrosivity for solving equipment is asked
Topic extends equipment and the service life of activated carbon；Simultaneously the detar for having adsorbed Various Complex component can be desorbed using nitrogen
De- naphthalene charcoal canister, is desorbed efficient, recyclable higher boiling, the organic substance for having utility value.
The present invention improves coke-stove gas LNG plant areas device operating safety factor, is a kind of high removal efficiency, low operation
The desorption and regeneration process unit of cost.
Description of the drawings
Fig. 1 is the structure diagram of apparatus of the present invention.
Wherein, 1 is electric heater, and 2 be wind turbine, and 3 take off naphthalene charcoal canister for detar, and 4 be temperature display meter, and 5 are
VOCs Density Detection Instruments, 6 be inlet pneumatic butterfly valve, and 7 be outlet Pneumatic butterfly valve.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Embodiment is closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to solve
The present invention is released, is not intended to limit the present invention.With reference to embodiment and the attached drawing technical solution that the present invention will be described in detail, but protect
Shield range is not limited by this.
A kind of cleaning apparatus for self for being used to purify oven gas, it is canned that the detar being in parallel including three takes off naphthalene activated carbon
It puts, the detar takes off naphthalene charcoal canister device and takes off naphthalene charcoal canister 3, inlet pneumatic butterfly valve 6 including detar and work off one's feeling vent one's spleen
Dynamic butterfly valve 7, the inlet pneumatic butterfly valve 6 are arranged on connection detar and take off on the pipeline of 3 entrance of naphthalene charcoal canister, and described goes out
Mouth Pneumatic butterfly valve 7 is arranged on connection detar and takes off on the pipeline of the outlet of naphthalene charcoal canister 3, and described is provided with inlet pneumatic butterfly valve
6 pipeline be in parallel after main pipe line on be disposed with temperature display meter 4 and electric heater 1, the pneumatic butterfly in the outlet
The pipeline of valve 7 be in parallel after main pipe line on be disposed with wind turbine 2 and VOCs Density Detection Instruments 5.
Specifically operation principle is：First, detar is taken off the activated carbon in naphthalene charcoal canister 3 using nitrogen at room inhaling
The boiling point adsorbed during attached technique is desorbed out less than the organic substance of room temperature, is sent under the action of wind turbine 2 to organic substance and purified
Device.When the VOCs Density Detection Instruments 5 of fan outlet tube road special setting detect numerical value in 5min no longer to be changed, table
It is complete less than the organic substance of room temperature that bright detar takes off the boiling point that the activated carbon in naphthalene charcoal canister 3 is adsorbed in absorbing process
Portion is desorbed out；
Secondly, while the electric heater 1 set on 3 entrance pipe of naphthalene charcoal canister and temperature instrument 4 are taken off using detar,
It will use organic substance purifier treated nitrogen temperature that detar is taken off naphthalene activity using high temperature nitrogen to 50 DEG C
The boiling point that activated carbon in canister 3 is adsorbed in absorbing process is less than the organic substance at a temperature of the display of temperature instrument 4
Desorption comes out, and is sent under the action of wind turbine 2 to organic substance purifier.When the VOCs of fan outlet tube road special setting is dense
When degree detection instrument 5 detects numerical value in 5min and no longer changes, show that detar takes off the activated carbon in naphthalene charcoal canister 3 and adsorbing
Less than the organic substance at a temperature of the display of temperature instrument 4, all desorption has come out the boiling point adsorbed during technique.
Staged desorption by heating cycle so is carried out using the nitrogen in upper stage, until when taking off naphthalene activated carbon using detar
The electric heater 1 and temperature instrument 4 set on 3 entrance pipe of tank, after organic substance purifier will have been used to handle
Nitrogen continue to heat up, and the VOCs Density Detection Instruments 5 of fan outlet tube road special setting are not detected during heating
During numerical value, show that detar takes off the organic owner adsorbed on activated carbon in naphthalene charcoal canister 3 and has been desorbed thoroughly, be desorbed thorough
The detar at bottom, which is taken off after naphthalene charcoal canister 3 can carry out natural cooling, to be used further to carry out absorbing process.
Detar takes off 3 inlet pneumatic butterfly valve 6 of naphthalene charcoal canister can be special according to fan outlet tube road with outlet Pneumatic butterfly valve 7
The VOCs Density Detection Instruments 5 that very set are chain to be automatically closed/opens, and realizes online staged desorption by heating technique.Naturally it is cold
But and carried out absorbing process detar take off 3 corresponding inlet pneumatic butterfly valve 6 of naphthalene charcoal canister can be from outlet Pneumatic butterfly valve 7
It is dynamic to open, and be desorbed thorough detar and taken off 3 corresponding inlet pneumatic butterfly valve 6 of naphthalene charcoal canister and outlet 7 meeting of Pneumatic butterfly valve
It is automatically closed, realizes online staged desorption by heating technique.
The detar of completion separating process, which takes off, to be used further to carry out absorbing process after naphthalene charcoal canister 3 is cooled down, most at last
Script detar take off adsorb that the organic substance that component on the activated carbon is complicated, concentration is unknown is converted into naphthalene charcoal canister 3 can
Organic substance be grouped, that concentration is controllable.
The above content is combine specific preferred embodiment to the further description of the invention done, it is impossible to assert
The specific embodiment of the present invention is only limitted to this, for those of ordinary skill in the art to which the present invention belongs, is not taking off
Under the premise of from the present invention, several simple deduction or replace can also be made, should all be considered as belonging to the present invention by being submitted
Claims determine scope of patent protection.
Claims (1)
1. for purifying the cleaning apparatus for self of oven gas, which is characterized in that take off naphthalene activated carbon including multiple detars being in parallel
Tank arrangement, the detar take off naphthalene charcoal canister device and take off naphthalene charcoal canister including detar（3）, inlet pneumatic butterfly valve（6）
With outlet Pneumatic butterfly valve（7）, the inlet pneumatic butterfly valve（6）It is arranged on connection detar and takes off naphthalene charcoal canister（3）Entrance
On pipeline, the outlet Pneumatic butterfly valve（7）It is arranged on connection detar and takes off naphthalene charcoal canister（3）It is described on the pipeline of outlet
Be provided with inlet pneumatic butterfly valve（6）Pipeline be in parallel after main pipe line on be disposed with temperature display meter（4）And electricity
Heater（1）, the outlet Pneumatic butterfly valve（7）Pipeline be in parallel after main pipe line on be disposed with wind turbine（2）With
VOCs Density Detection Instruments（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078452.XA CN108144410A (en) | 2018-01-26 | 2018-01-26 | For purifying the cleaning apparatus for self of oven gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078452.XA CN108144410A (en) | 2018-01-26 | 2018-01-26 | For purifying the cleaning apparatus for self of oven gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108144410A true CN108144410A (en) | 2018-06-12 |
Family
ID=62458937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810078452.XA Pending CN108144410A (en) | 2018-01-26 | 2018-01-26 | For purifying the cleaning apparatus for self of oven gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108144410A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523211A (en) * | 2019-09-03 | 2019-12-03 | 马鞍山中创环保科技有限公司 | A kind of active carbon case and its working method for VOCS Processing tecchnics |
| CN111185142A (en) * | 2020-01-14 | 2020-05-22 | 秦皇岛格瑞因环境工程有限公司 | Grading desorption method for active carbon for adsorbing volatile organic compounds |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57184435A (en) * | 1981-05-07 | 1982-11-13 | Mitsubishi Heavy Ind Ltd | Adsorbent for adsorbing and desorbing gas |
| CN104771927A (en) * | 2015-03-23 | 2015-07-15 | 湖北吴城环保科技有限公司 | Volatile organic mixed solvent/gas recovery device |
| CN106179287A (en) * | 2016-08-29 | 2016-12-07 | 中冶焦耐(大连)工程技术有限公司 | Adsorbent reactivation and regeneration off gases processing method during coke-stove gas temp.-changing adsorption desulfurization |
-
2018
- 2018-01-26 CN CN201810078452.XA patent/CN108144410A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57184435A (en) * | 1981-05-07 | 1982-11-13 | Mitsubishi Heavy Ind Ltd | Adsorbent for adsorbing and desorbing gas |
| CN104771927A (en) * | 2015-03-23 | 2015-07-15 | 湖北吴城环保科技有限公司 | Volatile organic mixed solvent/gas recovery device |
| CN106179287A (en) * | 2016-08-29 | 2016-12-07 | 中冶焦耐(大连)工程技术有限公司 | Adsorbent reactivation and regeneration off gases processing method during coke-stove gas temp.-changing adsorption desulfurization |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523211A (en) * | 2019-09-03 | 2019-12-03 | 马鞍山中创环保科技有限公司 | A kind of active carbon case and its working method for VOCS Processing tecchnics |
| CN111185142A (en) * | 2020-01-14 | 2020-05-22 | 秦皇岛格瑞因环境工程有限公司 | Grading desorption method for active carbon for adsorbing volatile organic compounds |
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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: 20180612 |
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| RJ01 | Rejection of invention patent application after publication |