CN104710993A - Automatic control system for coke oven ascension pipe raw gas sensible heat recovery - Google Patents
Automatic control system for coke oven ascension pipe raw gas sensible heat recovery Download PDFInfo
- Publication number
- CN104710993A CN104710993A CN201510080715.7A CN201510080715A CN104710993A CN 104710993 A CN104710993 A CN 104710993A CN 201510080715 A CN201510080715 A CN 201510080715A CN 104710993 A CN104710993 A CN 104710993A
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- China
- Prior art keywords
- coke oven
- control system
- heat exchanger
- uprising tube
- drum
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- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B41/00—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke
- C10B41/08—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke for the withdrawal of the distillation gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1838—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines the hot gas being under a high pressure, e.g. in chemical installations
- F22B1/1846—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines the hot gas being under a high pressure, e.g. in chemical installations the hot gas being loaded with particles, e.g. waste heat boilers after a coal gasification plant
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Coke Industry (AREA)
Abstract
The invention relates to an afterheat recovery system, in particular to an automatic control system for coke oven ascension pipe raw gas sensible heat recovery. The automatic control system comprises a coke oven ascension pipe heat exchanger group, a forced circulation control system, a steam drum automatic operation control system, a temperature control system, a coke oven ascension pipe heat exchanger water inlet valve automatic regulation control system and a PLC master control system, wherein the inflow water quantity of the water inlet of the heat exchanger group is automatically adjusted through a water inlet regulation valve according to the detection and set of the temperature of the raw gas at the outlet of the heat exchanger and the change in the outlet temperature, so that the heat exchange effect and the exhausted flue-gas temperature control are ensured, the ascension pipe raw gas sensible heat is safely and reliably recovered, the heat exchange medium can be circularly converted into medium/low-pressure steam and superheated steam so as to sufficiently recover the ascension pipe raw gas sensible heat; besides, the operation of the control system, especially the temperature control of the ascension pipe exhausted flue-gas, can be effectively detected to ensure the safe and normal operation of the system and reduce the accident rate.
Description
Technical field
The invention relates to a kind of waste heat recycling system, more particularly, relates to a kind of coke oven coke oven uprising tube crude-gas sensible heat and reclaims automatic control system.
Background technology
The high efficiente callback of the residual heat resources produced in coke making process flow process utilizes, and is to set up the energy-conservation Main way in resources conservation, eco-friendly green coke-oven plant, is also one of main path reducing coke oven energy consumption.
But, China to the excavation of secondary energy quality potentiality, the exploitation of value and low-quality residual heat and energy utilize support technology and equipment delayed, in upcast, the waste heat of high temperature coke oven raw gas just fails effectively to utilize always, with cyclic ammonia water cooling, heat can only be wasted.Just start to research and develop technique since the seventies in last century, do not have substantial progress always.Someone is by the processing medium water heat exchange in raw gas and chuck, but occurs heat-transfer surface bonding tar, floss blockage problem, and after heat-transfer surface damages, in chuck, processing medium water leaks and affects coke production into carbonizing chamber.Coal oven dithio-gas sensible heat accounts for about 37% of the heat expenditure of whole coke oven, and temperature, more than 750 degree, does not have the recycle device of mature and reliable to put into operation so far.Due to the singularity of coke oven operation in operational process, to coke pushing from coal, in whole process, the temperature of raw gas and flow are at any time all in change, the recovery scheme that early stage, we released just is confined to Non-follow control and runs, flooding velocity cannot be regulated according to the temperature variation of raw gas, considerable influence is brought to the fluctuation of whole recovery system.
Innovation and creation content
The object of the invention is that overcoming existing collecting of coke oven coke oven uprising tube crude-gas sensible heat recovery system heat exchange energy causes the exit gas temperature range of decrease excessive and cause easy coking and blocking, larger to external environment influence, and in startup and stopped process, undesirable deficiency is used for the process of the high temperature of material and interchanger, a kind of coke oven coke oven uprising tube crude-gas sensible heat is provided to reclaim automatic control system, adopt the technical scheme that the invention provides, both ensure that the control of heat transfer effect and eliminating flue-gas temperature, effectively, safety, reliably reclaim ascending tube crude-gas sensible heat, in cyclically heat transferring medium can being converted into again, low-pressure steam and superheated vapour, abundant recycling ascending tube crude-gas sensible heat, can also effectively run by detecting and controlling system simultaneously, particularly upcast gets rid of the temperature control of flue gas, guarantee that security of system is normally run, reduce accident rate.
The technical scheme realizing the invention object is as follows:
A kind of coke oven coke oven uprising tube crude-gas sensible heat reclaims automatic control system, comprise coke oven coke oven uprising tube heat exchanger group, pump circulation Controlling System and drum automatic operation control system, also comprise temperature controlling system, coke oven coke oven uprising tube heat exchanger inlet valve controlled system with self-regulation, and PLC general control system;
Described temperature controlling system comprises the electric contact temp gauge hatch being positioned at coke oven coke oven uprising tube heat exchanger discharge flange place, electric contact temp gauge hatch connects electric contact thermometer, and the temperature signal of electric contact thermometer is transferred to PLC general control system by temperature controlling system;
Described coke oven coke oven uprising tube heat exchanger inlet valve varitrol comprises inlet regulating valve door, coke oven coke oven uprising tube heat exchanger inlet valve varitrol is connected with PLC general control system, manually-operated gate and bypass valve is cut off before and after also comprising, described inlet regulating valve door, front and back cut off manually-operated gate and are connected with the suction culvert of bypass valve with coke oven coke oven uprising tube heat exchanger.
Further, described coke oven coke oven uprising tube heat exchanger group at least has two coke oven coke oven uprising tube heat exchangers, remittance pump circulation Controlling System parallel with one another between the inlet regulating valve door of single coke oven coke oven uprising tube heat exchanger.
Further, described pump circulation automatic control and adjustment system comprises 2 forced circulation pumps and terminal valve, and forced circulation pump adopts variable-frequency motor, also comprises the female pipe of outlet and installs female flowmeter for pipe.
Further, described drum automatic operation control system comprises a drum, two drum intake pumps, inlet regulating valve door, liquid level of steam drum meter, feed water flow gauge, vapour outlet under meters, and described feed water flow gauge and inlet regulating valve door are arranged between intake pump and drum.
Further, described drum automatic operation control system also comprises tensimeter and pressure unit, and described tensimeter is connected with drum with pressure unit.
Further, described under meter is arranged between drum and deoxygenation water tank.
After adopting said structure, the beneficial effect of the invention is:
(1) a kind of coke oven coke oven uprising tube crude-gas sensible heat of the invention reclaims automatic control system, comprise coke oven coke oven uprising tube heat exchanger group, pump circulation Controlling System and drum automatic operation control system, also comprise temperature controlling system, coke oven coke oven uprising tube heat exchanger inlet valve controlled system with self-regulation, and PLC general control system, can ensure coke oven for a long time, continuous seepage safely and steadly, thus recycle the sensible heat of coke oven coke oven uprising tube raw gas continuously and stably;
(2) a kind of coke oven coke oven uprising tube crude-gas sensible heat of the invention reclaims automatic control system, the water-in of its heat exchanger package passes through inlet regulating valve door according to the temperature detection of heat exchanger exit raw gas and setting, automatically the size of flooding velocity is regulated according to the change of temperature out, make use of the waste heat of the raw gas of upcast so to greatest extent, ensure when there is a large amount of raw gas, temperature out is not less than 450 DEG C, control the absorption of tar and the growth of graphite, because As time goes on the temperature of raw gas and flow are constantly changing, adopt this automatic control system, more thorough farthest by the thermal exchange of raw gas, the safety in production being conducive to upcast runs, also ensure that can the output steam of continous-stable simultaneously,
(3) a kind of coke oven coke oven uprising tube crude-gas sensible heat of the invention reclaims automatic control system, its pump circulation automatic control system, by the mensuration of the forced circulation pump rate of discharge of setting, regulate the frequency of the variable-frequency motor of forced circulation pump at any time, ensure that the flow of all upcast interchanger is relatively stable on the one hand, on the other hand have also been obtained effective control self of system is energy-conservation, control together to use with the temperature of upcast and flooding velocity, effect is better.
Accompanying drawing explanation
Fig. 1 is the electronic schematic diagram of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention is described in further detail.
A kind of coke oven coke oven uprising tube crude-gas sensible heat reclaims automatic control system, comprise coke oven coke oven uprising tube heat exchanger group, pump circulation Controlling System and drum automatic operation control system, also comprise temperature controlling system, coke oven coke oven uprising tube heat exchanger inlet valve controlled system with self-regulation, and PLC general control system;
Described temperature controlling system comprises the electric contact temp gauge hatch 2 being positioned at coke oven coke oven uprising tube heat exchanger 1 discharge flange place, electric contact temp gauge hatch 2 connects electric contact thermometer, and the temperature signal of electric contact thermometer is transferred to PLC general control system by temperature controlling system;
Described coke oven coke oven uprising tube heat exchanger inlet valve varitrol comprises inlet regulating valve door 3, coke oven coke oven uprising tube heat exchanger inlet valve varitrol is connected with PLC general control system, manually-operated gate and bypass valve is cut off before and after also comprising, described inlet regulating valve door, front and back cut off manually-operated gate and are connected with the suction culvert 4 of coke oven coke oven uprising tube heat exchanger with bypass valve.
The electric contact thermometer of described heat exchanger of riser of coke oven outlet measures upcast heat exchanger exit raw gas temperature, and this temperature signal is sent to PLC general control system, inlet regulating valve door is connected with PLC general control system by transmission route, automatically regulate the inlet valve aperture of heat exchanger of riser of coke oven by gathering heat exchanger of riser of coke oven outlet raw gas temperature variable signal thus regulate flooding velocity, ensure that the outlet raw gas temperature of upcast interchanger after heat exchange runs at the reasonable interval (being not less than 450 DEG C) arranged, control the inner absorption of tar of upcast and the growth of graphite to greatest extent.
Described coke oven coke oven uprising tube heat exchanger group at least has two coke oven coke oven uprising tube heat exchangers, remittance pump circulation Controlling System parallel with one another between the inlet regulating valve door of single coke oven coke oven uprising tube heat exchanger.Specifically, described upcast heat exchanger package comprises several upcast interchanger, each upcast heat exchanger exit place is provided with electric contact temp gauge hatch and electric contact thermometer, described heat exchanger of riser of coke oven imports female pipe respectively by independent inlet regulating valve door pipeline rear grouping parallel with one another, thus composition one group system.
Described pump circulation automatic control and adjustment system comprises 2 forced circulation pumps 5 and terminal valve 6, forced circulation pump adopts variable-frequency motor, by setting and the control of the overall flow of PLC general control system, the frequency of the variable-frequency motor of automatic adjustment forced circulation pump, thus reach the object of adjust flux, also comprise the female pipe of outlet and install female flowmeter for pipe 7, described female pipe flow 7 is between forced circulation pump and heat exchanger package, for measuring the uninterrupted of pump circulation water pump, and this uninterrupted is sent to PLC general control system, by the frequency of PLC general control system instruction control variable-frequency motor.
Described drum automatic operation control system comprises a drum 8, two drum intake pumps 9, inlet regulating valve door 10, liquid level of steam drum meter 11, feed water flow gauge 12, vapour outlet under meters 13, and described feed water flow gauge and inlet regulating valve door are arranged between intake pump and drum.Drum self water feeding adopts the Regulative system of three impulses feedwater, and master signal is liquid level of steam drum signal H, and feed-forward signal is main steam flow signal D, and feedback signal is feedwater flow signal W, thus reaches the steady running of drum.
Described drum automatic operation control system also comprises tensimeter and pressure unit, and described tensimeter is connected with drum with pressure unit, for measuring the saturated vapour pressure in drum.
Described under meter is arranged between drum and deoxygenation water tank, for the uninterrupted of Survey control drum intake pump.
The invention is not limited to described embodiment; namely the spirit that those skilled in the art is not departing from the invention disclose in scope; still can do some revise or change, therefore the scope that the rights protection scope of the invention limits with claims is as the criterion.
Claims (6)
1. a coke oven coke oven uprising tube crude-gas sensible heat reclaims automatic control system, comprise coke oven coke oven uprising tube heat exchanger group, pump circulation Controlling System and drum automatic operation control system, it is characterized in that, also comprise temperature controlling system, coke oven coke oven uprising tube heat exchanger inlet valve controlled system with self-regulation, and PLC general control system;
Described temperature controlling system comprises the electric contact temp gauge hatch being positioned at coke oven coke oven uprising tube heat exchanger discharge flange place, electric contact temp gauge hatch connects electric contact thermometer, and the temperature signal of electric contact thermometer is transferred to PLC general control system by temperature controlling system;
Described coke oven coke oven uprising tube heat exchanger inlet valve varitrol comprises inlet regulating valve door, coke oven coke oven uprising tube heat exchanger inlet valve varitrol is connected with PLC general control system, manually-operated gate and bypass valve is cut off before and after also comprising, described inlet regulating valve door, front and back cut off manually-operated gate and are connected with the suction culvert of bypass valve with coke oven coke oven uprising tube heat exchanger.
2. a kind of coke oven coke oven uprising tube crude-gas sensible heat according to claim 1 reclaims automatic control system, it is characterized in that, described coke oven coke oven uprising tube heat exchanger group at least has two coke oven coke oven uprising tube heat exchangers, remittance pump circulation Controlling System parallel with one another between the inlet regulating valve door of single coke oven coke oven uprising tube heat exchanger.
3. a kind of coke oven coke oven uprising tube crude-gas sensible heat according to claim 1 reclaims automatic control system, it is characterized in that, described pump circulation automatic control and adjustment system comprises 2 forced circulation pumps and terminal valve, forced circulation pump adopts variable-frequency motor, also comprises the female pipe of outlet and installs female flowmeter for pipe.
4. a kind of coke oven coke oven uprising tube crude-gas sensible heat according to claim 1 reclaims automatic control system, it is characterized in that, described drum automatic operation control system comprises a drum, two drum intake pumps, inlet regulating valve door, liquid level of steam drum meter, feed water flow gauge, vapour outlet under meters, and described feed water flow gauge and inlet regulating valve door are arranged between intake pump and drum.
5. a kind of coke oven coke oven uprising tube crude-gas sensible heat according to claim 1 reclaims automatic control system, it is characterized in that, described drum automatic operation control system also comprises tensimeter and pressure unit, and described tensimeter is connected with drum with pressure unit.
6. a kind of coke oven coke oven uprising tube crude-gas sensible heat according to claim 4 reclaims automatic control system, and it is characterized in that, described under meter is arranged between drum and deoxygenation water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080715.7A CN104710993A (en) | 2015-02-13 | 2015-02-13 | Automatic control system for coke oven ascension pipe raw gas sensible heat recovery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080715.7A CN104710993A (en) | 2015-02-13 | 2015-02-13 | Automatic control system for coke oven ascension pipe raw gas sensible heat recovery |
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| CN104710993A true CN104710993A (en) | 2015-06-17 |
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|---|---|---|---|
| CN201510080715.7A Pending CN104710993A (en) | 2015-02-13 | 2015-02-13 | Automatic control system for coke oven ascension pipe raw gas sensible heat recovery |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105112077A (en) * | 2015-08-14 | 2015-12-02 | 武汉平煤武钢联合焦化有限责任公司 | Coke oven crude gas riser working state monitoring system |
| CN105154109A (en) * | 2015-10-08 | 2015-12-16 | 南京圣诺热管有限公司 | Safety monitoring system in riser waste heat recovery process and monitoring method of safety monitoring system |
| CN105599359A (en) * | 2016-03-16 | 2016-05-25 | 新乡市天利自动化***有限公司 | Constant-temperature constant-pressure intelligent control system for steam of corrugated board |
| CN106479521A (en) * | 2016-12-10 | 2017-03-08 | 盐城远洋节能科技有限公司 | Coke oven coke oven uprising tube anti-coking high-efficiency waste heat recovery device and its anti-coking method |
| CN107629808A (en) * | 2017-10-23 | 2018-01-26 | 马鞍山钢铁股份有限公司 | One kind rises pipe evaporator automatic temperature control apparatus and its control method |
| CN107955636A (en) * | 2017-12-11 | 2018-04-24 | 德宏森朗热解技术装备有限公司 | The control method of flue gas pump drainage in HIGH-POWERED MICROWAVES pyrolysis biomass industrial production |
| CN110551509A (en) * | 2019-09-26 | 2019-12-10 | 葛霖 | heat exchange medium flow self-balancing crude gas waste heat recovery heat exchanger riser |
| CN110699094A (en) * | 2019-11-01 | 2020-01-17 | 中冶焦耐(大连)工程技术有限公司 | Coke oven riser heat exchanger crude gas outlet temperature interlocking control device and process |
| CN111996013A (en) * | 2020-09-09 | 2020-11-27 | 常州江南冶金科技有限公司 | Ascending pipe heat exchanger with internal overpressure automatic pressure relief adjusting and releasing interlocking device |
| CN113583686A (en) * | 2021-08-03 | 2021-11-02 | 南京华电节能环保股份有限公司 | Coke oven riser crude gas waste heat recycling method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6198791A (en) * | 1984-10-19 | 1986-05-17 | Nippon Steel Corp | Drying of coal for coke |
| CN103436271A (en) * | 2013-08-30 | 2013-12-11 | 常州江南电力节能科技有限公司 | System for recycling raw gas afterheat of coke oven |
| CN203837504U (en) * | 2014-03-28 | 2014-09-17 | 韩培 | Ascension tube raw coke oven gas sensible heat recovery system for coke oven |
| CN203925625U (en) * | 2014-05-28 | 2014-11-05 | 韩培 | Waste heat of coke oven crude gas reclaims power generation system |
| CN204607916U (en) * | 2015-02-13 | 2015-09-02 | 常州江南冶金科技有限公司 | A kind of coke oven coke oven uprising tube crude-gas sensible heat reclaims automatic control system |
-
2015
- 2015-02-13 CN CN201510080715.7A patent/CN104710993A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6198791A (en) * | 1984-10-19 | 1986-05-17 | Nippon Steel Corp | Drying of coal for coke |
| CN103436271A (en) * | 2013-08-30 | 2013-12-11 | 常州江南电力节能科技有限公司 | System for recycling raw gas afterheat of coke oven |
| CN203837504U (en) * | 2014-03-28 | 2014-09-17 | 韩培 | Ascension tube raw coke oven gas sensible heat recovery system for coke oven |
| CN203925625U (en) * | 2014-05-28 | 2014-11-05 | 韩培 | Waste heat of coke oven crude gas reclaims power generation system |
| CN204607916U (en) * | 2015-02-13 | 2015-09-02 | 常州江南冶金科技有限公司 | A kind of coke oven coke oven uprising tube crude-gas sensible heat reclaims automatic control system |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105112077A (en) * | 2015-08-14 | 2015-12-02 | 武汉平煤武钢联合焦化有限责任公司 | Coke oven crude gas riser working state monitoring system |
| CN105154109A (en) * | 2015-10-08 | 2015-12-16 | 南京圣诺热管有限公司 | Safety monitoring system in riser waste heat recovery process and monitoring method of safety monitoring system |
| CN105599359A (en) * | 2016-03-16 | 2016-05-25 | 新乡市天利自动化***有限公司 | Constant-temperature constant-pressure intelligent control system for steam of corrugated board |
| CN106479521A (en) * | 2016-12-10 | 2017-03-08 | 盐城远洋节能科技有限公司 | Coke oven coke oven uprising tube anti-coking high-efficiency waste heat recovery device and its anti-coking method |
| CN107629808A (en) * | 2017-10-23 | 2018-01-26 | 马鞍山钢铁股份有限公司 | One kind rises pipe evaporator automatic temperature control apparatus and its control method |
| CN107955636A (en) * | 2017-12-11 | 2018-04-24 | 德宏森朗热解技术装备有限公司 | The control method of flue gas pump drainage in HIGH-POWERED MICROWAVES pyrolysis biomass industrial production |
| CN107955636B (en) * | 2017-12-11 | 2020-06-30 | 德宏森朗热解技术装备有限公司 | Control method for smoke pumping and exhausting in industrial production of high-power microwave pyrolysis biomass |
| CN110551509A (en) * | 2019-09-26 | 2019-12-10 | 葛霖 | heat exchange medium flow self-balancing crude gas waste heat recovery heat exchanger riser |
| CN110699094A (en) * | 2019-11-01 | 2020-01-17 | 中冶焦耐(大连)工程技术有限公司 | Coke oven riser heat exchanger crude gas outlet temperature interlocking control device and process |
| CN111996013A (en) * | 2020-09-09 | 2020-11-27 | 常州江南冶金科技有限公司 | Ascending pipe heat exchanger with internal overpressure automatic pressure relief adjusting and releasing interlocking device |
| CN111996013B (en) * | 2020-09-09 | 2022-04-15 | 常州江南冶金科技有限公司 | Ascending pipe heat exchanger with internal overpressure automatic pressure relief adjusting and releasing interlocking device |
| CN113583686A (en) * | 2021-08-03 | 2021-11-02 | 南京华电节能环保股份有限公司 | Coke oven riser crude gas waste heat recycling method and device |
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Application publication date: 20150617 |