CN113587685A - Secondary condensation method and device for recovering waste heat of coke oven crude gas - Google Patents
Secondary condensation method and device for recovering waste heat of coke oven crude gas Download PDFInfo
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- CN113587685A CN113587685A CN202110887545.9A CN202110887545A CN113587685A CN 113587685 A CN113587685 A CN 113587685A CN 202110887545 A CN202110887545 A CN 202110887545A CN 113587685 A CN113587685 A CN 113587685A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
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- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Oil, Petroleum & Natural Gas (AREA)
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- General Chemical & Material Sciences (AREA)
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- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention discloses a secondary condensation method and a secondary condensation device for recovering waste heat of raw coke oven gas, and the secondary condensation method and the secondary condensation device comprise a recovery box, a condensation box and a base, wherein the top of the base is fixedly provided with the recovery box, the interior of the recovery box is respectively provided with a water inlet cavity, a recovery chamber and a water storage chamber, the interior of the recovery chamber is fixedly provided with a heat conducting plate, the heat conducting plate is communicated with the water inlet cavity and the water storage chamber through a flow guide pipe, the inner wall of the water storage chamber is fixedly provided with a heat insulation pipe, the base at one side of the recovery box is fixedly provided with a water pump, and one side of the recovery box is fixedly provided with the condensation box. According to the invention, through the mutual matching of the recovery chamber, the heat conducting plate, the flow guide pipe and the storage chamber, the heat absorbed by the heat conducting plate is utilized to heat the water in the flow guide pipe, so that the heat in the raw coke oven gas is conveniently recovered, and through the matching of the condensing box and the condensing pipe, the waste heat of the raw coke oven gas can heat the cooling water in the condensing box, so that the recovery effect is improved.
Description
Technical Field
The invention relates to the technical field of raw coke oven gas recovery, in particular to a secondary condensation method and a secondary condensation device for recovering waste heat of raw coke oven gas.
Background
Coke ovens, a furnace typically built of refractory bricks and refractory blocks, are used to char coal to produce coke. The kiln for refining coke by using coal is main thermal equipment for coking, coke oven gas, also called coke oven gas, belongs to high-heat value gas, crude gas or crude gas due to a plurality of combustible components, and is a combustible gas produced when coke and tar products are produced after high-temperature carbonization in a coke oven, and is a byproduct of the coking industry.
Therefore, a secondary condensation method and a device for recovering the waste heat of the raw coke oven gas are needed to solve the problems.
Disclosure of Invention
The invention aims to provide a secondary condensation method and a secondary condensation device for recovering the waste heat of raw coke oven gas, which are used for solving the problem that the high-temperature raw coke gas generated in the prior coke oven in use does not have a good waste heat recovery device, so that the heat in the raw coke oven gas is inconvenient to be effectively recovered and reused, and the resource waste is caused in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a coke oven raw gas waste heat recovery uses secondary condensing equipment, includes collection box, condensing box and base, the top fixed mounting of base has the collection box, the inside of collection box is provided with intake antrum, recovery room and reservoir chamber respectively, the inside fixed mounting of recovery room has the heat-conducting plate, communicate through the honeycomb duct between heat-conducting plate and intake antrum and the reservoir chamber, fixed mounting has the insulating tube on the inner wall of reservoir chamber, fixed mounting has the water pump on the base of one side of collection box, one side fixed mounting of recovery box has the condensing box, the inside fixed mounting of condensing box has the fixed disk, be provided with the condenser pipe between the fixed disk, be provided with the back flow between condensing box and the insulating tube.
Preferably, the top of the recovery box is provided with a water inlet, and the water inlet is communicated with the water inlet cavity.
Preferably, one side of the recovery box is provided with an air inlet, and the air inlet is communicated with the recovery chamber.
Preferably, the front end of the recovery box is provided with a water outlet which is communicated with the water storage chamber.
Preferably, the heat-conducting plate and the recovery chamber are fixedly installed through a fixing frame, through holes are uniformly formed in the heat-conducting plate, and the guide pipe is located between the through holes.
Preferably, a guide pipe is arranged between the recovery box and the condensing box, an exhaust port is arranged on one side of the condensing box, and the recovery box and the condensing box are fixedly installed through a support frame.
Preferably, a first conveying pipe is arranged between the water pump and the condensation box, and a second conveying pipe is arranged between the water pump and the heat preservation pipe.
Preferably, the secondary condensation method for recovering the waste heat of the raw gas of the coke oven comprises the steps of I, checking; step two, recovering waste heat for the first time; step three, recovering waste heat for the second time;
the method comprises the following steps: before the device is used for recovering waste heat of coke oven crude gas, whether the appearance of the device is damaged or not is checked, the device is butted with a crude gas outlet of a coke oven through an air inlet and is butted with a water source through a water inlet, whether the condition of leakage exists at the butted position is checked, a water pump is connected with a power supply through an external lead to supply power, and then a user does checking work before use;
step two: when waste heat of coke oven raw gas is recovered, high-temperature gas is introduced into a recovery chamber through a gas inlet, heat in the gas is absorbed by a heat-conducting plate, then water is introduced into a water inlet cavity through a water inlet, water in the water inlet cavity flows into a flow guide pipe, the heat absorbed by the heat-conducting plate is transferred to the water in the flow guide pipe, the high-temperature raw gas is cooled for the first time, and the water after heat absorption is introduced into a water storage chamber along the flow guide pipe for storage;
step three: raw coke oven gas after the recovery room is through the first cooling passes through the pipe and gets into to the condensing tank in, raw coke oven gas gets into in the condensing tank this moment, pour into the cooling water between the fixed disk into, raw coke oven gas in the condensing tank carries out the secondary cooling, utilize the residual heat of raw coke oven gas to make the cooling water heat simultaneously, cooling water after will heating is leading-in to the insulating tube through the back flow, make the insulating tube can keep warm with the water in the water storage chamber, then start the water pump and pump the cooling water in the insulating tube to the condensing tank in through first conveyer pipe, make it continuously retrieve the waste heat of raw coke oven gas, make the insulating tube can continuously keep warm to the water in the water storage chamber, then utilize the outlet to discharge the hot water in the water storage chamber to utilize according to the user demand.
Compared with the prior art, the invention has the beneficial effects that:
1. the secondary condensation method and the device for recovering the waste heat of the coke oven raw gas are characterized in that the recovery chamber, the heat conducting plate, the guide pipe and the storage chamber are matched with each other, the heat conducting plate can be used for absorbing heat in the raw gas in the recovery chamber, the heat can be transferred to water in the guide pipe, the water in the guide pipe can be heated while the high-temperature raw gas is cooled for the first time, the heated water in the guide pipe flows into the storage chamber to be stored, the heat in the raw gas can be recovered conveniently, the hot water stored in the storage chamber can be conveniently utilized according to use demands, the resource utilization rate is effectively improved, and the use cost is reduced.
2. This secondary condensation method and device for coke oven raw coke oven gas waste heat recovery is through being provided with the through-hole on the heat-conducting plate, can utilize the through-hole can improve the heating area of heat-conducting plate, the heat in the raw coke oven gas of absorption that can be comparatively quick, make the hydroenergy in the water conservancy diversion pipe heat up fast, the temperature of reduction raw coke oven gas that also can be by a wide margin simultaneously, through condensing box cooperation condenser pipe, can carry out the secondary cooling to raw coke oven gas, the while can make the tepid of raw coke oven gas heat the cooling water in the condenser box, the effectual recovery effect that improves the raw coke oven gas waste heat, convenient and practical.
3. The secondary condensation method and the device for recovering the waste heat of the raw coke oven gas are matched with the heat preservation pipe through the return pipe, the heated cooling water in the condensation box can flow back into the heat preservation pipe through the return pipe, the heat preservation pipe can be used for conveniently preserving the heat of the water in the water storage chamber, the water temperature loss in the water storage chamber is prevented, meanwhile, the water in the heat preservation pipe is conveyed back into the condensation box through the water pump, the waste heat of the raw coke oven gas can be continuously absorbed, the heat preservation pipe can continuously preserve the heat of the water in the water storage chamber, and the resource recovery and utilization effect is effectively enhanced.
Drawings
FIG. 1 is a front view of the internal three-dimensional structure of the main body of the present invention;
FIG. 2 is a front view of the external appearance of the main body of the present invention;
FIG. 3 is a front view of the main body of the present invention;
FIG. 4 is a front view of the heat-conducting plate of the present invention;
fig. 5 is a front view of the three-dimensional structure of the thermal insulation pipe of the present invention.
In the figure: 1. a recycling bin; 101. a support frame; 102. a water inlet; 103. an air inlet; 104. a water outlet; 2. a condenser tank; 201. a conduit; 202. fixing the disc; 203. a condenser tube; 204. an exhaust port; 3. a water pump; 301. a first delivery pipe; 302. a second delivery pipe; 4. a base; 5. a water inlet cavity; 6. a recovery chamber; 601. a fixed mount; 7. a heat conducting plate; 701. a through hole; 702. a flow guide pipe; 8. a water storage chamber; 9. a heat preservation pipe; 901. a return pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown:
a secondary condensing device for recovering the waste heat of raw coke oven gas comprises a recovery box 1, a condensing box 2 and a base 4, wherein the top of the base 4 is fixedly provided with the recovery box 1, the interior of the recovery box 1 is respectively provided with a water inlet cavity 5, a recovery chamber 6 and a water storage chamber 8, the interior of the recovery chamber 6 is fixedly provided with a heat conducting plate 7, the heat conducting plate 7 is communicated with the water inlet cavity 5 and the water storage chamber 8 through a flow guide pipe 702, the inner wall of the water storage chamber 8 is fixedly provided with a heat insulation pipe 9, the base 4 on one side of the recovery box 1 is fixedly provided with a water pump 3, one side of the recovery box 1 is fixedly provided with the condensing box 2, the interior of the condensing box 2 is fixedly provided with a fixed disc 202, a condensing pipe 203 is arranged between the fixed discs 202, a return pipe 901 is arranged between the condensing box 2 and the heat insulation pipe 9, and water enters the flow guide pipe 702 in the heat conducting plate 7 through the water inlet cavity 5, utilize heat-conducting plate 7 to absorb the heat of trading coal gas, can heat the water in honeycomb duct 702 with the absorbed heat, can reduce the temperature of crude gas simultaneously by a wide margin, once retrieve, make the hydroenergy in honeycomb duct 702 leading-in store in 8 to the reservoir chamber, in leading-in condenser pipe 203 to 2 interior condenser tanks of crude gas, carry out the secondary cooling, can comparatively convenient carry out the secondary with the waste heat of crude gas and retrieve, utilize back flow 901 to lead-in to 9 to the insulating tube with the water that heats in 2 condenser tanks, keep warm to the water in 8 reservoir chambers, utilize water pump 3 to take back the water in 9 insulating tube to 2 condenser tanks, carry out the circulation recovery to the waste heat of crude gas, the effectual extravagant condition of resource that has reduced, the rate of resource recovery has been improved.
The top of collection box 1 is provided with water inlet 102, and water inlet 102 and intake antrum 5 intercommunication can be through water inlet 102 butt joint water source, with the leading-in to intake antrum 5 of water, conveniently carry out heat recovery, convenient and fast with the leading-in raw coke oven gas to the honeycomb duct 702 in the heat-conducting plate 7 in.
One side of collection box 1 is provided with air inlet 103, and air inlet 103 and recovery room 6 intercommunication, can utilize air inlet 103 to make things convenient for the leading-in to recovery room 6 with raw coke oven gas in, utilize recovery room 6 to carry out the cooling by a wide margin for the first time with raw coke oven gas, for subsequent work has improved the convenience.
The front end of collection box 1 is provided with outlet 104, and outlet 104 and reservoir chamber 8 intercommunication can dock other equipment through outlet 104 according to operation personnel's user demand, can derive the water in the reservoir chamber 8, and the convenience utilizes as required, convenient and practical.
Through mount 601 fixed mounting between heat-conducting plate 7 and the recovery room 6, can conveniently install heat-conducting plate 7 fixed, evenly be provided with through-hole 701 on the heat-conducting plate 7, honeycomb duct 702 is located between the through-hole 701, can utilize through-hole 701 can improve the heated area of heat-conducting plate 7, make the heat in the absorption raw coke oven gas that heat-conducting plate 7 can be comparatively quick, make raw coke oven gas cool down by a wide margin, simultaneously can be quick the temperature in the improvement honeycomb duct 702, waste heat recovery effect has been improved, prevent that waste heat recovery from untimely leading to producing the wasting of resources.
Be provided with pipe 201 between collection box 1 and the condensing box 2, can make the raw coke oven gas in the recovery room 6 enter into condensing box 2 through pipe 201, make raw coke oven gas can enter into condenser pipe 203 simultaneously, conveniently carry out the secondary to the waste heat of raw coke oven gas and retrieve, one side of condensing box 2 is provided with gas vent 204, make the raw coke oven gas after retrieving derive through gas vent 204, through support frame 101 fixed mounting between collection box 1 and the condensing box 2, utilize that support frame 101 can be comparatively convenient carry out the support with condensing box 2 fixed, make the difficult emergence of condensing box 2 rock, installation and operation is convenient and fast.
Be provided with first conveyer pipe 301 between water pump 3 and the condenser box 2, be provided with second conveyer pipe 302 between water pump 3 and the insulating tube 9, all be provided with the ooff valve on first conveyer pipe 301 and the second conveyer pipe 302, make things convenient for the operation personnel to carry out the on-off operation according to the user demand, through second conveyer pipe 302, make water pump 3 can extract the water in the insulating tube 9, utilize first conveyer pipe 301 to carry and circulate to condenser box 2 in, can play in the messenger insulating tube 9 and continuously carry out heat retaining effect.
A secondary condensation method for recovering the waste heat of raw coke oven gas comprises the following steps of I, checking; step two, recovering waste heat for the first time; step three, recovering waste heat for the second time; the use steps are as follows:
the method comprises the following steps: before the device is used for recovering waste heat of coke oven crude gas, whether the appearance of the device and a pipeline are damaged or leaked is checked, then the device is butted with a crude gas outlet of a coke oven through an air inlet 103, and is butted with a water source through an water inlet 102, then whether the butted part is leaked is checked, a water pump 3 is connected with a power supply through an external lead to supply power, and the checking work before use is carried out during use, so that potential safety hazards are avoided;
step two: when waste heat of coke oven raw gas is recovered, high-temperature raw gas is guided into a recovery chamber 6 through an air inlet 103, so that the high-temperature raw gas is contacted with a heat-conducting plate 7, the heat in the gas is absorbed by the heat-conducting plate 7, the heating area of the heat-conducting plate 7 is increased by matching with a through hole 701, the heat absorption effect is improved, then water is guided into a water inlet cavity 5 through a water inlet 102, the water in the water inlet cavity 5 flows into a flow guide pipe 702 in the heat-conducting plate 7, the heat absorbed by the heat-conducting plate 7 is transferred to the water in the flow guide pipe 702, the water is heated to recover the heat, meanwhile, the high-temperature raw gas is cooled for the first time, and the water after absorbing the heat is guided into a water storage chamber 8 along the flow guide pipe 702 to be stored;
step three: the raw gas after the primary cooling in the recycling chamber 6 enters the condenser box 2 through the conduit 201, at the same time, the raw gas enters the condenser pipe 203, the first delivery pipe 301 is provided with a water injection port, cooling water can be injected between the fixed disks 202 in the condenser box 2, so that the condenser pipe 203 is wrapped by the cooling water, the raw gas in the condenser pipe 203 can be cooled for the second time, meanwhile, the residual temperature of the raw gas is utilized to heat the cooling water, the heated cooling water is guided into the heat preservation pipe 9 through the return pipe 901, so that the heat preservation pipe 9 can preserve the heat of the water in the water storage chamber 8, the water temperature loss in the water storage chamber 8 is slowed down, the resource utilization effect is improved, then the water pump 3 is started to pump the cooling water in the heat preservation pipe 9 into the condenser box 2 through the first delivery pipe 301, the waste heat of the raw gas can be continuously recycled, so that the heat preservation pipe 9 can continuously preserve the heat of the water in the water storage chamber 8, the heat preservation effect is improved, then the hot water in the water storage chamber 8 is discharged and utilized by the water outlet 104 according to the use requirement, the operation is convenient and fast, the use cost is effectively reduced, and the use effect is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a coke oven raw coke oven gas waste heat recovery uses secondary condensing equipment, includes collection box (1), condensing box (2) and base (4), its characterized in that: the top of the base (4) is fixedly provided with a recovery box (1), the interior of the recovery box (1) is respectively provided with a water inlet cavity (5), a recovery chamber (6) and a water storage chamber (8), the heat-conducting plate (7) is fixedly arranged in the recovery chamber (6), the heat-conducting plate (7) is communicated with the water inlet cavity (5) and the water storage chamber (8) through a guide pipe (702), a heat preservation pipe (9) is fixedly arranged on the inner wall of the water storage chamber (8), a water pump (3) is fixedly arranged on the base (4) at one side of the recovery tank (1), a condensing box (2) is fixedly arranged on one side of the recovery box (1), a fixed disc (202) is fixedly arranged in the condensing box (2), a condensation pipe (203) is arranged between the fixed disks (202), and a return pipe (901) is arranged between the condensation box (2) and the heat preservation pipe (9).
2. The secondary condensation device for recovering the waste heat of the raw coke oven gas as claimed in claim 1, characterized in that: the top of the recovery box (1) is provided with a water inlet (102), and the water inlet (102) is communicated with the water inlet cavity (5).
3. The secondary condensation device for recovering the waste heat of the raw coke oven gas as claimed in claim 1, characterized in that: an air inlet (103) is arranged on one side of the recovery box (1), and the air inlet (103) is communicated with the recovery chamber (6).
4. The secondary condensation device for recovering the waste heat of the raw coke oven gas as claimed in claim 1, characterized in that: the front end of the recovery box (1) is provided with a water outlet (104), and the water outlet (104) is communicated with the water storage chamber (8).
5. The secondary condensation device for recovering the waste heat of the raw coke oven gas as claimed in claim 1, characterized in that: the heat conducting plate (7) and the recovery chamber (6) are fixedly installed through a fixing frame (601), through holes (701) are uniformly formed in the heat conducting plate (7), and the guide pipe (702) is located between the through holes (701).
6. The secondary condensation device for recovering the waste heat of the raw coke oven gas as claimed in claim 1, characterized in that: a guide pipe (201) is arranged between the recovery box (1) and the condensation box (2), an exhaust port (204) is arranged on one side of the condensation box (2), and the recovery box (1) and the condensation box (2) are fixedly installed through a support frame (101).
7. The secondary condensation device for recovering the waste heat of the raw coke oven gas as claimed in claim 1, characterized in that: a first conveying pipe (301) is arranged between the water pump (3) and the condensation box (2), and a second conveying pipe (302) is arranged between the water pump (3) and the heat preservation pipe (9).
8. A secondary condensation method for recovering the waste heat of raw coke oven gas comprises the following steps of I, checking; step two, recovering waste heat for the first time; step three, recovering waste heat for the second time; the method is characterized in that:
the method comprises the following steps: before the device is used for recovering waste heat of coke oven crude gas, whether the appearance of the device is damaged or not is checked, the device is butted with a crude gas outlet of a coke oven through an air inlet (103), and is butted with a water source through an water inlet (102), whether the condition of leakage exists at the butted position is checked, a water pump (3) is connected with a power supply through an external lead to supply power, and then a user does checking work before use;
step two: when waste heat of coke oven raw gas is recovered, high-temperature gas is introduced into a recovery chamber (6) through a gas inlet (103), heat in the gas is absorbed through a heat-conducting plate (7), then water is introduced into a water inlet cavity (5) through a water inlet (102), water in the water inlet cavity (5) flows into a guide pipe (702), the heat absorbed by the heat-conducting plate (7) is transferred to the water in the guide pipe (702), the high-temperature raw gas is cooled for the first time, and the water after heat absorption is introduced into a water storage chamber (8) along the guide pipe (702) for storage;
step three: the crude gas after the primary cooling in the recovery chamber (6) enters the condensing box (2) through the guide pipe (201), the crude gas enters the condensing pipe (203), cooling water is injected between the fixed discs (202), the crude gas in the condensing pipe (203) is cooled for the second time, and simultaneously the residual temperature of the crude gas is utilized to heat the cooling water, the heated cooling water is guided into the heat preservation pipe (9) through the return pipe (901), so that the heat preservation pipe (9) can preserve the heat of the water in the water storage chamber (8), then the water pump (3) is started to pump the cooling water in the heat preservation pipe (9) into the condensation box (2) through the first delivery pipe (301) so as to continuously recover the waste heat of the raw coke oven gas, so that the heat preservation pipe (9) can continuously preserve the heat of the water in the water storage chamber (8), then, the hot water in the water storage chamber (8) is discharged and used by using a water outlet (104) according to the use requirement.
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| CN202110887545.9A CN113587685B (en) | 2021-08-03 | 2021-08-03 | Secondary condensation method and device for recycling waste heat of raw coke oven gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115789783A (en) * | 2022-11-20 | 2023-03-14 | 河南中烟工业有限责任公司 | Heat exchanger for fresh air system |
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| CN110527563A (en) * | 2018-12-26 | 2019-12-03 | 陕西煤业化工集团神木天元化工有限公司 | The recovery system of coal tar in a kind of pyrolysis coal gas |
| CN210220770U (en) * | 2019-05-24 | 2020-03-31 | 江苏舜科科技有限公司 | Waste heat recovery device for coking furnace |
| CN111925812A (en) * | 2020-07-08 | 2020-11-13 | 福建省气柜设备安装有限公司 | Coke oven gas recycling system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115789783A (en) * | 2022-11-20 | 2023-03-14 | 河南中烟工业有限责任公司 | Heat exchanger for fresh air system |
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