CN107782162A - Method for recycling tail gas of silicon carbide closed furnace for power generation - Google Patents

Method for recycling tail gas of silicon carbide closed furnace for power generation Download PDF

Info

Publication number
CN107782162A
CN107782162A CN201610789409.5A CN201610789409A CN107782162A CN 107782162 A CN107782162 A CN 107782162A CN 201610789409 A CN201610789409 A CN 201610789409A CN 107782162 A CN107782162 A CN 107782162A
Authority
CN
China
Prior art keywords
tail gas
carborundum
gas
passed
pressure
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.)
Granted
Application number
CN201610789409.5A
Other languages
Chinese (zh)
Other versions
CN107782162B (en
Inventor
卓粤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningxia Xingertai Chemical Group Co ltd
Zhuo Yue
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610789409.5A priority Critical patent/CN107782162B/en
Publication of CN107782162A publication Critical patent/CN107782162A/en
Application granted granted Critical
Publication of CN107782162B publication Critical patent/CN107782162B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • F27D2017/005—Systems for reclaiming waste heat including pyrolising the waste gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • F27D2017/006—Systems for reclaiming waste heat using a boiler
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Abstract

The invention discloses a method for recycling tail gas of a silicon carbide closed furnace for power generation, which comprises the following steps: the method comprises the steps of S1 cooling and collecting silicon carbide tail gas, S2 dedusting of the silicon carbide tail gas, S3 pressure testing of the silicon carbide tail gas, S4 pressure regulation of the silicon carbide tail gas, S5 content detection of the silicon carbide tail gas, S6 storage of the silicon carbide tail gas, S7 pressurization of the silicon carbide tail gas, S8 tail gas conversion and S9 tail gas power generation. The processing process is different from the traditional process for directly emptying the tail gas of the open silicon carbide smelting furnace, the process can completely recycle the silicon carbide tail gas, and after the silicon carbide tail gas is processed, the silicon carbide tail gas can be completely recycled and reused, the gas and power generation requirements of a power plant can be met, a large amount of standard coal can be saved, the environment pollution is prevented, and the current development requirements are met.

Description

A kind of method that carborundum sealed furnace tail gas recycle generating recycles
Technical field
The present invention relates to environmental technology field, more particularly to the side that a kind of generating of carborundum sealed furnace tail gas recycle recycles Method.
Background technology
Carborundum (SiC) is with quartz sand, petroleum coke (or coal tar), wood chip (needing to add salt during production green silicon carbide) Formed Deng raw material by resistance furnace pyrolytic semlting.There is also rare mineral, Mo Sangshi in the Nature for carborundum.Carborundum is also known as Moissanite.When carborundum uses, in combustion process, substantial amounts of tail gas can be produced, in closed carborundum flue gas containing 80% with On carbon monoxide and hydrogen.At present it is known that opening stove carborundum flue gas be typically without processing, directly discharge, pollute Air, wastes resource, available gas is not utilized in tail gas.A kind of therefore, it is proposed to closed furnace exhaust gas of carborundum The method that recovery generating recycles.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of carborundum sealed furnace tail proposed The method that gas recovery generating recycles.
To achieve these goals, present invention employs following technical scheme：
A kind of method that carborundum sealed furnace tail gas recycle generating recycles, comprises the following steps：
S1, the cooling of carborundum tail gas are collected：Carborundum sealed furnace carborundum tail gas is entered into conduit, and in conduit by inhaling Attached net, grease in carborundum tail gas is adsorbed, is cooled after absorption by conduit into heat exchanger, and cool the temperature to 50- 60 degrees Celsius；
S2, carborundum tails dedusting：Carborundum tail gas after being handled in S1 is passed into dust arrester, in dust arrester Middle carry out dedusting, big dust particle in carborundum tail gas will be removed, after the completion of dedusting, carborundum tail gas is passed through screw clamp In, avoid carborundum tail gas from flowing back, and further the dust in carborundum tail gas can be removed, carborundum tail in tank The temperature of gas is reduced to 20-30 degrees Celsius；
S3, carborundum tail gas pressure test：Carborundum tail gas after being handled in S2 is passed into atmospheric pressure tester, The air pressure of carborundum tail gas is tested by atmospheric pressure tester；
S4, carborundum tail gas pressure regulation：After the completion of pressure measurement, and carborundum tail gas is passed into pressure-reducing valve and depressurized, and root The pressure-reducing valve quantity for judging to pass through according to the pressure of tail gas, the quantity of pressure-reducing valve is 1-4, air pressure 0.12-0.16MPa；
S5, carborundum tail gas content detection：By the carborundum tail gas after being depressurized in S4 by exhaust analyzer, so as to examine The content of gas with various in carbon determination SiClx tail gas；
S6, the storage of carborundum tail gas：Carborundum tail gas after being handled in S5 is passed through in gas holder, and enters the flow of gas holder For 30-70nm3/ h, is stored, in case being used when needing, it is 30-40 degrees Celsius that should keep storage temperature, air pressure 0.16- 0.22MPa；
S7, the pressurization of carborundum tail gas：The carborundum tail gas handled in S6 is passed into pressue device, sensed by air pressure Device senses, and is forced into 0.8MPa, after the completion of pressurization, delivers to conversion section；
S8, tail gas conversion：The carborundum tail gas handled in S7 is passed into formaldehyde synthesizer, passes through carborundum tail gas Mixed gas containing carbon monoxide and hydrogen, by heating, filtering generation formaldehyde, heating-up temperature is 500-550 degrees Celsius；
S9, emission power generation：The carborundum tail gas handled well in S8 is delivered into boiler of power plant burning, passes through the heat for generation of burning It can generate electricity.
Preferably, the gaseous species of carborundum tail gas are carbon monoxide and hydrogen in the S2, and the content of other gases Not higher than 1 percent.
Preferably, it should be tested before using atmospheric pressure tester in the S3, it can be allowed to meet test Demand.
Preferably, a diameter of 1-4nm of the screen pack used in the filtering.
The method that a kind of carborundum sealed furnace tail gas recycle generating provided by the invention recycles, process of the invention The technique that traditional open silicon carbide smelting furnace exhaust gas is directly vented is different from, this technique can make carborundum tail gas all recovery profits With, and after treatment, it is complete to accomplish whole recyclings and meet power plant's gas power generation needs, substantial amounts of mark can be saved Quasi- coal, it is therefore prevented that polluted to environment, meet the demand developed now.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not For limiting the present invention.
Embodiment 1
A kind of method that carborundum sealed furnace tail gas recycle generating recycles, comprises the following steps：
S1, the cooling of carborundum tail gas are collected：Carborundum sealed furnace carborundum tail gas is entered into conduit, and in conduit by inhaling Attached net, grease in carborundum tail gas is adsorbed, is cooled after absorption by conduit into heat exchanger, and cool the temperature to 50 and take the photograph Family name's degree；
S2, carborundum tails dedusting：Carborundum tail gas after being handled in S1 is passed into dust arrester, in dust arrester Middle carry out dedusting, big dust particle in carborundum tail gas will be removed, after the completion of dedusting, carborundum tail gas is passed through screw clamp In, avoid carborundum tail gas from flowing back, and further the dust in carborundum tail gas can be removed, carborundum tail in tank The temperature of gas is reduced to 20 degrees Celsius, and the gaseous species of carborundum tail gas are carbon monoxide and hydrogen, and the content of other gases Not higher than 1 percent；
S3, carborundum tail gas pressure test：Carborundum tail gas after being handled in S2 is passed into atmospheric pressure tester, The air pressure of carborundum tail gas is tested by atmospheric pressure tester, before atmospheric pressure tester, it should be tested, energy It is enough allowed to meet the needs of test；
S4, carborundum tail gas pressure regulation：After the completion of pressure measurement, and carborundum tail gas is passed into pressure-reducing valve and depressurized, and root The pressure-reducing valve quantity for judging to pass through according to the pressure of tail gas, the quantity of pressure-reducing valve is 1-4, air pressure 0.12MPa；
S5, carborundum tail gas content detection：By the carborundum tail gas after being depressurized in S4 by exhaust analyzer, so as to examine The content of gas with various in carbon determination SiClx tail gas；
S6, the storage of carborundum tail gas：Carborundum tail gas after being handled in S5 is passed through in gas holder, and enters the flow of gas holder For 30nm3/ h, is stored, in case being used when needing, it is 30 degrees Celsius that should keep storage temperature, air pressure 0.16MPa；
S7, the pressurization of carborundum tail gas：The carborundum tail gas handled in S6 is passed into pressue device, sensed by air pressure Device senses, and is forced into 0.8MPa, after the completion of pressurization, delivers to conversion section；
S8, tail gas conversion：The carborundum tail gas handled in S7 is passed into formaldehyde synthesizer, passes through carborundum tail gas Mixed gas containing carbon monoxide and hydrogen, by heating, filtering generation formaldehyde, heating-up temperature is 500 degrees Celsius；
S9, emission power generation：The carborundum tail gas handled well in S8 is delivered into boiler of power plant burning, passes through the heat for generation of burning It can generate electricity.
A diameter of 1nm of screen pack used in the filtering.
Embodiment 2
A kind of method that carborundum sealed furnace tail gas recycle generating recycles, comprises the following steps：
S1, the cooling of carborundum tail gas are collected：Carborundum sealed furnace carborundum tail gas is entered into conduit, and in conduit by inhaling Attached net, grease in carborundum tail gas is adsorbed, is cooled after absorption by conduit into heat exchanger, and cool the temperature to 52 and take the photograph Family name's degree；
S2, carborundum tails dedusting：Carborundum tail gas after being handled in S1 is passed into dust arrester, in dust arrester Middle carry out dedusting, big dust particle in carborundum tail gas will be removed, after the completion of dedusting, carborundum tail gas is passed through screw clamp In, avoid carborundum tail gas from flowing back, and further the dust in carborundum tail gas can be removed, carborundum tail in tank The temperature of gas is reduced to 22 degrees Celsius, and the gaseous species of carborundum tail gas are carbon monoxide and hydrogen, and the content of other gases Not higher than 1 percent；
S3, carborundum tail gas pressure test：Carborundum tail gas after being handled in S2 is passed into atmospheric pressure tester, The air pressure of carborundum tail gas is tested by atmospheric pressure tester, before atmospheric pressure tester, it should be tested, energy It is enough allowed to meet the needs of test；
S4, carborundum tail gas pressure regulation：After the completion of pressure measurement, and carborundum tail gas is passed into pressure-reducing valve and depressurized, and root The pressure-reducing valve quantity for judging to pass through according to the pressure of tail gas, the quantity of pressure-reducing valve is 1-4, air pressure 0.13MPa；
S5, carborundum tail gas content detection：By the carborundum tail gas after being depressurized in S4 by exhaust analyzer, so as to examine The content of gas with various in carbon determination SiClx tail gas；
S6, the storage of carborundum tail gas：Carborundum tail gas after being handled in S5 is passed through in gas holder, and enters the flow of gas holder For 40nm3/ h, is stored, in case being used when needing, it is 32 degrees Celsius that should keep storage temperature, air pressure 0.17MPa；
S7, the pressurization of carborundum tail gas：The carborundum tail gas handled in S6 is passed into pressue device, sensed by air pressure Device senses, and is forced into 0.8MPa, after the completion of pressurization, delivers to conversion section；
S8, tail gas conversion：The carborundum tail gas handled in S7 is passed into formaldehyde synthesizer, passes through carborundum tail gas Mixed gas containing carbon monoxide and hydrogen, by heating, filtering generation formaldehyde, heating-up temperature is 510 degrees Celsius；
S9, emission power generation：The carborundum tail gas handled well in S8 is delivered into boiler of power plant burning, passes through the heat for generation of burning It can generate electricity.
A diameter of 2nm of screen pack used in the filtering.
Embodiment 3
A kind of method that carborundum sealed furnace tail gas recycle generating recycles, comprises the following steps：
S1, the cooling of carborundum tail gas are collected：Carborundum sealed furnace carborundum tail gas is entered into conduit, and in conduit by inhaling Attached net, grease in carborundum tail gas is adsorbed, is cooled after absorption by conduit into heat exchanger, and cool the temperature to 54 and take the photograph Family name's degree；
S2, carborundum tails dedusting：Carborundum tail gas after being handled in S1 is passed into dust arrester, in dust arrester Middle carry out dedusting, big dust particle in carborundum tail gas will be removed, after the completion of dedusting, carborundum tail gas is passed through screw clamp In, avoid carborundum tail gas from flowing back, and further the dust in carborundum tail gas can be removed, carborundum tail in tank The temperature of gas is reduced to 24 degrees Celsius, and the gaseous species of carborundum tail gas are carbon monoxide and hydrogen, and the content of other gases Not higher than 1 percent；
S3, carborundum tail gas pressure test：Carborundum tail gas after being handled in S2 is passed into atmospheric pressure tester, The air pressure of carborundum tail gas is tested by atmospheric pressure tester, before atmospheric pressure tester, it should be tested, energy It is enough allowed to meet the needs of test；
S4, carborundum tail gas pressure regulation：After the completion of pressure measurement, and carborundum tail gas is passed into pressure-reducing valve and depressurized, and root The pressure-reducing valve quantity for judging to pass through according to the pressure of tail gas, the quantity of pressure-reducing valve is 1-4, air pressure 0.14MPa；
S5, carborundum tail gas content detection：By the carborundum tail gas after being depressurized in S4 by exhaust analyzer, so as to examine The content of gas with various in carbon determination SiClx tail gas；
S6, the storage of carborundum tail gas：Carborundum tail gas after being handled in S5 is passed through in gas holder, and enters the flow of gas holder For 50nm3/ h, is stored, in case being used when needing, it is 34 degrees Celsius that should keep storage temperature, air pressure 0.18MPa；
S7, the pressurization of carborundum tail gas：The carborundum tail gas handled in S6 is passed into pressue device, sensed by air pressure Device senses, and is forced into 0.8MPa, after the completion of pressurization, delivers to conversion section；
S8, tail gas conversion：The carborundum tail gas handled in S7 is passed into formaldehyde synthesizer, passes through carborundum tail gas Mixed gas containing carbon monoxide and hydrogen, by heating, filtering generation formaldehyde, heating-up temperature is 520 degrees Celsius；
S9, emission power generation：The carborundum tail gas handled well in S8 is delivered into boiler of power plant burning, passes through the heat for generation of burning It can generate electricity.
A diameter of 3nm of screen pack used in the filtering.
Embodiment 4
A kind of method that carborundum sealed furnace tail gas recycle generating recycles, comprises the following steps：
S1, the cooling of carborundum tail gas are collected：Carborundum sealed furnace carborundum tail gas is entered into conduit, and in conduit by inhaling Attached net, grease in carborundum tail gas is adsorbed, is cooled after absorption by conduit into heat exchanger, and cool the temperature to 58 and take the photograph Family name's degree；
S2, carborundum tails dedusting：Carborundum tail gas after being handled in S1 is passed into dust arrester, in dust arrester Middle carry out dedusting, big dust particle in carborundum tail gas will be removed, after the completion of dedusting, carborundum tail gas is passed through screw clamp In, avoid carborundum tail gas from flowing back, and further the dust in carborundum tail gas can be removed, carborundum tail in tank The temperature of gas is reduced to 28 degrees Celsius, and the gaseous species of carborundum tail gas are carbon monoxide and hydrogen, and the content of other gases Not higher than 1 percent；
S3, carborundum tail gas pressure test：Carborundum tail gas after being handled in S2 is passed into atmospheric pressure tester, The air pressure of carborundum tail gas is tested by atmospheric pressure tester, before atmospheric pressure tester, it should be tested, energy It is enough allowed to meet the needs of test；
S4, carborundum tail gas pressure regulation：After the completion of pressure measurement, and carborundum tail gas is passed into pressure-reducing valve and depressurized, and root The pressure-reducing valve quantity for judging to pass through according to the pressure of tail gas, the quantity of pressure-reducing valve is 1-4, air pressure 0.15MPa；
S5, carborundum tail gas content detection：By the carborundum tail gas after being depressurized in S4 by exhaust analyzer, so as to examine The content of gas with various in carbon determination SiClx tail gas；
S6, the storage of carborundum tail gas：Carborundum tail gas after being handled in S5 is passed through in gas holder, and enters the flow of gas holder For 60nm3/ h, is stored, in case being used when needing, it is 38 degrees Celsius that should keep storage temperature, air pressure 0.20MPa；
S7, the pressurization of carborundum tail gas：The carborundum tail gas handled in S6 is passed into pressue device, sensed by air pressure Device senses, and is forced into 0.8MPa, after the completion of pressurization, delivers to conversion section；
S8, tail gas conversion：The carborundum tail gas handled in S7 is passed into formaldehyde synthesizer, passes through carborundum tail gas Mixed gas containing carbon monoxide and hydrogen, by heating, filtering generation formaldehyde, heating-up temperature is 540 degrees Celsius；
S9, emission power generation：The carborundum tail gas handled well in S8 is delivered into boiler of power plant burning, passes through the heat for generation of burning It can generate electricity.
A diameter of 4nm of screen pack used in the filtering.
Embodiment 5
S1, the cooling of carborundum tail gas are collected：Carborundum sealed furnace carborundum tail gas is entered into conduit, and in conduit by inhaling Attached net, grease in carborundum tail gas is adsorbed, is cooled after absorption by conduit into heat exchanger, and cool the temperature to 60 and take the photograph Family name's degree；
S2, carborundum tails dedusting：Carborundum tail gas after being handled in S1 is passed into dust arrester, in dust arrester Middle carry out dedusting, big dust particle in carborundum tail gas will be removed, after the completion of dedusting, carborundum tail gas is passed through screw clamp In, avoid carborundum tail gas from flowing back, and further the dust in carborundum tail gas can be removed, carborundum tail in tank The temperature of gas is reduced to 30 degrees Celsius, and the gaseous species of carborundum tail gas are carbon monoxide and hydrogen, and the content of other gases Not higher than 1 percent；
S3, carborundum tail gas pressure test：Carborundum tail gas after being handled in S2 is passed into atmospheric pressure tester, The air pressure of carborundum tail gas is tested by atmospheric pressure tester, before atmospheric pressure tester, it should be tested, energy It is enough allowed to meet the needs of test；
S4, carborundum tail gas pressure regulation：After the completion of pressure measurement, and carborundum tail gas is passed into pressure-reducing valve and depressurized, and root The pressure-reducing valve quantity for judging to pass through according to the pressure of tail gas, the quantity of pressure-reducing valve is 1-4, air pressure 0.16MPa；
S5, carborundum tail gas content detection：By the carborundum tail gas after being depressurized in S4 by exhaust analyzer, so as to examine The content of gas with various in carbon determination SiClx tail gas；
S6, the storage of carborundum tail gas：Carborundum tail gas after being handled in S5 is passed through in gas holder, and enters the flow of gas holder For 70nm3/ h, is stored, in case being used when needing, it is 40 degrees Celsius that should keep storage temperature, air pressure 0.22MPa；
S7, the pressurization of carborundum tail gas：The carborundum tail gas handled in S6 is passed into pressue device, sensed by air pressure Device senses, and is forced into 0.8MPa, after the completion of pressurization, delivers to conversion section；
S8, tail gas conversion：The carborundum tail gas handled in S7 is passed into formaldehyde synthesizer, passes through carborundum tail gas Mixed gas containing carbon monoxide and hydrogen, by heating, filtering generation formaldehyde, heating-up temperature is 550 degrees Celsius；
S9, emission power generation：The carborundum tail gas handled well in S8 is delivered into boiler of power plant burning, passes through the heat for generation of burning It can generate electricity.
A diameter of 4nm of screen pack used in the filtering.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (4)

  1. A kind of method recycled 1. carborundum sealed furnace tail gas recycle generates electricity, it is characterised in that：Comprise the following steps：
    S1, the cooling of carborundum tail gas are collected：Carborundum sealed furnace carborundum tail gas is entered into conduit, and in conduit by adsorbing Net, grease in carborundum tail gas is adsorbed, is cooled after absorption by conduit into heat exchanger, and cool the temperature to 50-60 Degree Celsius；
    S2, carborundum tails dedusting：Carborundum tail gas after being handled in S1 is passed into dust arrester, entered in dust arrester Row dedusting, big dust particle in carborundum tail gas will be removed, and after the completion of dedusting, carborundum tail gas will be passed through in screw clamp, kept away Exempt from the backflow of carborundum tail gas, and further the dust in carborundum tail gas can be removed, carborundum tail gas in tank Temperature is reduced to 20-30 degrees Celsius；
    S3, carborundum tail gas pressure test：Carborundum tail gas after being handled in S2 is passed into atmospheric pressure tester, passed through Atmospheric pressure tester tests the air pressure of carborundum tail gas；
    S4, carborundum tail gas pressure regulation：After the completion of pressure measurement, and carborundum tail gas is passed into pressure-reducing valve and depressurized, and according to tail The pressure of gas judges the pressure-reducing valve quantity passed through, and the quantity of pressure-reducing valve is 1-4, air pressure 0.12-0.16MPa；
    S5, carborundum tail gas content detection：By the carborundum tail gas after being depressurized in S4 by exhaust analyzer, so as to detect carbon The content of gas with various in SiClx tail gas；
    S6, the storage of carborundum tail gas：Carborundum tail gas after being handled in S5 is passed through in gas holder, and the flow for entering gas holder is 30-70nm3/ h, is stored, in case being used when needing, it is 30-40 degrees Celsius that should keep storage temperature, air pressure 0.16- 0.22MPa；
    S7, the pressurization of carborundum tail gas：The carborundum tail gas handled in S6 is passed into pressue device, passes through air pressure induction installation Sensing, is forced into 0.8MPa, after the completion of pressurization, delivers to conversion section；
    S8, tail gas conversion：The carborundum tail gas handled in S7 is passed into formaldehyde synthesizer, contained by carborundum tail gas The mixed gas of carbon monoxide and hydrogen, by heating, filtering generation formaldehyde, heating-up temperature is 500-550 degrees Celsius；
    S9, emission power generation：The carborundum tail gas handled well in S8 is delivered into boiler of power plant burning, sent out by the heat energy for generation of burning Electricity.
  2. The method recycled 2. carborundum sealed furnace tail gas recycle according to claim 1 generates electricity, it is characterised in that：It is described The gaseous species of carborundum tail gas are carbon monoxide and hydrogen in S2, and the content of other gases is not higher than 1 percent.
  3. The method recycled 3. carborundum sealed furnace tail gas recycle according to claim 1 generates electricity, it is characterised in that：It is described In S3 before using atmospheric pressure tester, it should be tested, it can be allowed to meet the needs of test.
  4. The method recycled 4. carborundum sealed furnace tail gas recycle according to claim 1 generates electricity, it is characterised in that：It is described A diameter of 1-4nm of screen pack used in filtering.
CN201610789409.5A 2016-08-31 2016-08-31 Method for recycling tail gas of silicon carbide closed furnace for power generation Active CN107782162B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610789409.5A CN107782162B (en) 2016-08-31 2016-08-31 Method for recycling tail gas of silicon carbide closed furnace for power generation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610789409.5A CN107782162B (en) 2016-08-31 2016-08-31 Method for recycling tail gas of silicon carbide closed furnace for power generation

Publications (2)

Publication Number Publication Date
CN107782162A true CN107782162A (en) 2018-03-09
CN107782162B CN107782162B (en) 2019-03-15

Family

ID=61450390

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610789409.5A Active CN107782162B (en) 2016-08-31 2016-08-31 Method for recycling tail gas of silicon carbide closed furnace for power generation

Country Status (1)

Country Link
CN (1) CN107782162B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112678774A (en) * 2020-12-23 2021-04-20 四川天采科技有限责任公司 Method for recovering and recycling FTrPSA (fluorine-doped plasma-enhanced pressure swing adsorption) tail gas generated in chlorine-free epitaxial process of SiC-CVD (silicon carbide-chemical vapor deposition) by reacting ethylene with silane

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002245933A1 (en) * 2001-03-29 2002-10-15 Commonwealth Scientific And Industrial Research Organisation Process for producing synthetic spinel
CN103980094A (en) * 2014-06-06 2014-08-13 李志聪 Process for preparing methanol from tail gas of calcium carbide furnace
CN104101225A (en) * 2014-07-18 2014-10-15 武汉东晟捷能科技有限公司 System and method for increasing comprehensive utilization ratio of tail gas of calcium carbide furnace

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002245933A1 (en) * 2001-03-29 2002-10-15 Commonwealth Scientific And Industrial Research Organisation Process for producing synthetic spinel
CN103980094A (en) * 2014-06-06 2014-08-13 李志聪 Process for preparing methanol from tail gas of calcium carbide furnace
CN104101225A (en) * 2014-07-18 2014-10-15 武汉东晟捷能科技有限公司 System and method for increasing comprehensive utilization ratio of tail gas of calcium carbide furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112678774A (en) * 2020-12-23 2021-04-20 四川天采科技有限责任公司 Method for recovering and recycling FTrPSA (fluorine-doped plasma-enhanced pressure swing adsorption) tail gas generated in chlorine-free epitaxial process of SiC-CVD (silicon carbide-chemical vapor deposition) by reacting ethylene with silane
CN112678774B (en) * 2020-12-23 2023-05-30 四川天采科技有限责任公司 Method for recovering and recycling FTrPSA (fluorine-containing PSA) serving as tail gas of SiC-CVD (silicon carbide-chemical vapor deposition) chlorine-free epitaxial process by reacting ethylene with silane

Also Published As

Publication number Publication date
CN107782162B (en) 2019-03-15

Similar Documents

Publication Publication Date Title
CN206646064U (en) A kind of dry coke quenching auxiliary
CN102183152A (en) Steel enterprise associated energy combined cycle power generation system and method
MX2012008726A (en) Apparatus for pyrolysis of coal substance.
US20110266130A1 (en) System for recycling used tires
CN103978006B (en) A kind of efficient low-consume oligosaprobic chromium slag pyrolysis treating method
CN105295965B (en) A kind of method and apparatus preparing semicoke
CN107782162B (en) Method for recycling tail gas of silicon carbide closed furnace for power generation
EA027620B1 (en) Electrical-heating coal material decomposition device
Nyakuma et al. Physicochemical characterization and thermal decomposition of Garin Maiganga coal
MX2015011956A (en) Method for treating carbonaceous materials by vapor thermolysis.
CN105779683A (en) Recovery system and recovery method for converter gas
US20110303525A1 (en) Waste tire recycling system
CN104745762A (en) Dry-dedusting and waste heat recovering system and method for intermediate-temperature converter coal gas
CN206600815U (en) A kind of spiral regenerative gas electronic waste pyrolysis system
BRPI0811510B1 (en) method for mold production
CN210855854U (en) Can realize CO2Zero-emission cement kiln system
CN109269310A (en) It is a kind of based on the sinter waste-heat recovery device and method that erect cold kiln
JP6676756B2 (en) Method and apparatus for modifying carbonaceous material
CN102230906A (en) System and method for testing natural characteristic of coal powder
CN107051076A (en) A kind of waste gas recovery technology of silicon carbide smelting
JP6305196B2 (en) Cement kiln exhaust gas treatment equipment
CN204661750U (en) A kind of partition rotary kiln of ferroelectric burnt combination producing
JP2006335956A (en) Method of recovering surplus offgas in coke dry quenching equipment
DE102012011549B4 (en) Generation of a lignite coke dust
CN102517061A (en) Equipment for treating non-sticky coal and coking method for treating non-sticky coal

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220506

Address after: 755000 Shikong Town Industrial Park, Zhongning County, Zhongwei City, Ningxia Hui Autonomous Region

Patentee after: Ningxia xingertai Chemical Group Co.,Ltd.

Patentee after: Zhuo Yue

Address before: 750103 Ningxia xingertai chemical group, Shikong Town Industrial Park, Zhongning County, Zhongwei City, Ningxia Hui Autonomous Region

Patentee before: Zhuo Yue