CN209065825U - A kind of seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling - Google Patents
A kind of seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling Download PDFInfo
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- CN209065825U CN209065825U CN201820754658.5U CN201820754658U CN209065825U CN 209065825 U CN209065825 U CN 209065825U CN 201820754658 U CN201820754658 U CN 201820754658U CN 209065825 U CN209065825 U CN 209065825U
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Abstract
The utility model discloses a kind of seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling, belong to tedge field of heat exchangers.The seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling of the utility model, annular vapour-liquid slot and spiral vapour-liquid connectivity slot are formed on the outer wall of its inner cylinder to remove material processing technique, the annular vapour-liquid slot and outer barrel of inner cylinder are enclosed annular compartment, the vapour-liquid connectivity slot of inner cylinder, the outer wall of inner cylinder and outer barrel three are enclosed the equal circulation road of spiral, heat transferring medium enters after annular compartment to be circumferentially evenly distributed rapidly along inner cylinder, then it is flowed in next annular compartment along the equal circulation road of each spiral to inner cylinder radial diffusion, inner cylinder is integrally formed using removal material processing technique, integral strength is higher compared with the rising heat exchange of heat pipe of the prior art, pressure-bearing property is more preferable；Water leg helical structure is integrally machined, and the production is simple and convenient, reduces number of welds, and the service life is longer, and safety is good.
Description
Technical field
The utility model relates to a kind of heat-exchanger rigs, more specifically to a kind of seamless small jacket type coke oven coke oven uprising tube
Raw coke oven gas apparatus for vapour-cooling.
Background technique
It is well known that the raw gas temperature of coke furnace carbonization chamber tedge evolution is 650~850 DEG C, the heat taken out of accounts for refining
35% or so of burnt heat dissipation total amount.Under common process, a large amount of 70~75 DEG C of cyclic ammonia waters are sprayed at bridge tube, by high temperature famine coal
Temperature degree is down to 95~105 DEG C, enters back into gas recovery purification system, not only consumes a large amount of ammonium hydroxide, but also increase in system
Power consumption, be also degrading the operating environment of coke oven, while a large amount of waste heats also being caused to waste.For a long time, for raw coke oven gas
UTILIZATION OF VESIDUAL HEAT IN, researchers at home and abroad have made extensive work, for improve riser structural bearing capacity, at present in addition to water press from both sides
Outside the tedge of set form, there are also the technical sides of the integral cast processing rising tube cylinder in spiral coil and inner cylinder outboard chambers
Case, but due to large thin-wall hollow casting, when iron liquid pours into the big width small cavity of heat dissipation area, Adjoint Type wall resistance, type
The interior bulbs of pressure, mobility is deteriorated after forward position iron liquid constantly cools, when iron liquid is come together around two sides, due to low temperature iron liquid
It is difficult to melt and be integrated, the defects of cold shut easy to form or misrun.For the pipe fitting long more than 1 meter of casting, iron liquid density is high,
Base pressure can also corrode greatly melt-extruded bottom bile duct, be deformed, and manufactured tedge heat exchange manifold is caused locally to hinder
Power is big, and the workpiece of cast molding, without the process of refinement crystal grain, intensity is low to equally exist security risk.
Coil coke oven coke oven uprising tube has the water leg being made of inside and outside cylinder, and raw coke oven gas is passed directly into inner cylinder
In, it exchanges heat with the medium in water leg.Therefore, the working environment very severe of inner cylinder, needs to set in water leg in addition
The structures such as spiral shape vapour-liquid channel are set, and need to bear the pressure in water leg in the course of work, therefore in tedge
The requirement with higher of the structural strength of cylinder.Such as China Patent No. ZL201320764908.0, authorized announcement date is 2014 3
The moon 26, invention and created name are as follows: tedge waste-heat recoverer, this application are related to a kind of tedge waste-heat recoverer, including
Air spray entrance, hot media import, heat exchanger inner wall, refrigerant body heat exchanger channels, heat exchanger refrigerant body channel outer wall, outer cylinder,
Cold media outlets, hot media outlet and refrigerant body enter after refrigerant body goes out water distribution, heat exchange after heat exchanger outer wall heat insulating coat, heat exchange
Mouthful, coke oven coke oven uprising tube flue gas enters from hot media import, with the demineralized water entered from cold Media Entrance, is exchanged heat by refrigerant body logical
Road carries out cold and hot exchange by heat exchanger inner wall；It is defeated by cold media outlets after heat exchange to go out water distribution for refrigerant body after into heat exchange
Out, it thus after having recycled the heat of coal oven dithio-gas, is handled by the heat exchange with demineralized water, steam water interface enters drum and passes through
Steam-water separation uses after generating steam, has saved a large amount of mark coal.In this application, pass through custom design and unique construction
Design, both ensure that heat transfer effect, while in turn ensuring under bad working environments, the safety economy fortune of coke oven for iron and heat exchanger
Row；However it does not provide and how to solve to rise heat exchange of heat pipe inner cylinder that there are structural strengths is low, water leg structure setting is multiple
The technical solution of the problems such as miscellaneous, easy leak.
Summary of the invention
1. utility model technical problems to be solved
The purpose of the utility model is to overcome existing coiled tedge inner cylinder, there are intensity that low, water leg structure is set
It sets complicated and causes the deficiencies of service life is low, manufacture difficulty is big, a kind of seamless small jacket type coke oven coke oven uprising tube raw coke oven gas is provided
Apparatus for vapour-cooling is formed using the technical solution of the utility model on the outer wall of inner cylinder with removing material processing technique
Annular vapour-liquid slot and spiral vapour-liquid connectivity slot, the annular vapour-liquid slot and outer barrel of inner cylinder are enclosed annular compartment, interior
The vapour-liquid connectivity slot of cylinder, the outer wall of inner cylinder and outer barrel three are enclosed the equal circulation road of spiral, and heat transferring medium enters ring
After shape chamber along inner cylinder circumferentially be evenly distributed rapidly, into the indoor heat transferring medium of annular chamber along the equal circulation road of each spiral to
Inner cylinder radial diffusion flows in next annular compartment, and not only the heat transfer area of inner cylinder is big, and heat exchange efficiency is high, and inner cylinder
Body is integrally formed using removal material processing technique, integrated poured molding rising heat exchange of heat pipe of the integral strength compared with the prior art
The rising heat exchange of heat pipe being welded into use roll bending is higher, and pressure-bearing property is more preferable；And water leg helical structure is integrally machined,
Simpler convenience is made, number of welds is reduced, the service life is longer, and safety is more preferable.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
The seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling of one kind of the utility model, including inner cylinder,
Outer barrel, upper flange and lower flange, the outer barrel are sheathed on the outside of inner cylinder, and the two of the inner cylinder and outer barrel
End is fixedly connected by upper flange with lower flange respectively, and closed water leg is formed between inner cylinder and outer barrel, in which:
The inner cylinder has certain thickness, and forms annular on the outer wall of inner cylinder to remove material processing technique
Vapour-liquid slot and vapour-liquid connectivity slot, the annular vapour-liquid slot are at least respectively arranged one in the upper and lower ends of inner cylinder, each annular
Upper and lower end faces of the vapour-liquid slot each parallel to inner cylinder；The vapour-liquid connectivity slot is uniformly arranged several along the circumferential direction of inner cylinder
Item, and every equal coiled coil of vapour-liquid connectivity slot is on the outer wall of inner cylinder, and is connected to two annular vapour-liquid slots up and down；Described
The annular vapour-liquid slot of inner cylinder and outer barrel are enclosed annular compartment, the vapour-liquid connectivity slot of the inner cylinder, inner cylinder
Outer wall and outer barrel three are enclosed the equal circulation road of spiral；
The both ends of the outer barrel are additionally provided with the water inlet steel pipe and vapor and liquid export for being respectively communicated with upper and lower two annular compartments
Steel pipe.
Further, the depth of the annular vapour-liquid slot is greater than or equal to the depth of vapour-liquid connectivity slot.
Further, the wall thickness of the inner cylinder is 30mm, and the depth of the vapour-liquid connectivity slot is 6~8mm, described
Annular vapour-liquid slot depth be 8~10mm.
Further, the vapour-liquid connectivity slot is uniformly provided with 4 on the outer wall of inner cylinder.
Further, the inner cylinder is seamless steel pipe.
Further, lined ceramics are also coated on the inner wall of the inner cylinder.
3. beneficial effect
Using technical solution provided by the utility model, compared with existing well-known technique, there is following remarkable result:
(1) the seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling of one kind of the utility model, inner cylinder
Outer wall on to remove material processing technique form annular vapour-liquid slot and spiral vapour-liquid connectivity slot, the annular vapour of inner cylinder
Liquid bath and outer barrel are enclosed annular compartment, and the vapour-liquid connectivity slot of inner cylinder, the outer wall of inner cylinder and outer barrel three enclose
The equal circulation road of spiral is formed, heat transferring medium enters after annular compartment to be circumferentially evenly distributed rapidly along inner cylinder, into annular compartment
Interior heat transferring medium flows in next annular compartment along the equal circulation road of each spiral to inner cylinder radial diffusion, not only inner cylinder
Heat transfer area it is big, heat exchange efficiency is high, and inner cylinder is integrally formed using removal material processing technique, and integral strength is more existing
The integrated poured molding rising heat exchange of heat pipe for rising heat exchange of heat pipe and roll bending being used to be welded into of technology is higher, and pressure-bearing property is more
It is good；And water leg helical structure is integrally machined, and makes simpler convenience, reduces number of welds, service life is more
Long, safety is more preferable；
(2) the seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling of one kind of the utility model, annular vapour
The depth of liquid bath is greater than or equal to the depth of vapour-liquid connectivity slot, so that up and down the two of upper flange, lower flange and inner cylinder, outer barrel
End face connects after enclosing, and the equal circulation road section of the spiral at vapour-liquid connectivity slot is less than the annular chamber being located at annular vapour-liquid slot
Room section, the equal circulation road section of spiral play throttling action, effectively prevent the prior art: in the tedge of water leg form,
When the heat transferring medium of cold conditions enter in the collet of tedge absorb inner cylinder conduction heat after gasify rapidly, also not in time including
Cylinder body outer wall surface is uniformly distributed the upper upward riser tube upper portion of deflecting, is unevenly distributed heat transferring medium in water leg, reduces water
The problem of collet service life；
(3) the seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling of one kind of the utility model, inner cylinder
For seamless steel pipe, the process of forging refinement crystal grain have passed through, integral strength is high, and pressure-bearing property is more preferable；It is also applied on the inner wall of inner cylinder
Lined ceramics are covered with, the heat resistance of inner cylinder is improved, ensure that stability of the inner cylinder in tedge operation；
(4) the seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling of one kind of the utility model, inner cylinder
Annular vapour-liquid slot and spiral shape vapour-liquid connectivity slot obtained by lathe process, direct turning can be integrally formed inner cylinder, make
Make that method is simple, it is more easier to process than a variety of rising heats exchange of heat pipe that integral cast molding, forging, sintering are formed, and structure is strong
Du Genggao；Inner cylinder and outer barrel, which are welded on upper lower flange, can be completed assembling, and whole weld seam is few, easily weld, and assemble work
When it is few, heat-exchanging component will not be mobile relative to inner cylinder and outer barrel, more firm.
Detailed description of the invention
Fig. 1 is that the main view of the seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling of one kind of the utility model is cutd open
Face structure chart；
Fig. 2 is the schematic cross-sectional view in the direction A-A in Fig. 1.
Label declaration in schematic diagram:
1, inner cylinder；2, outer barrel；3, upper flange；4, lower flange；5, water inlet steel pipe；6, vapor and liquid export steel pipe；7, liner
Ceramics；9, groove；11, annular vapour-liquid slot；110, annular compartment；12, vapour-liquid connectivity slot；120, the equal circulation road of spiral.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
Referring to figs. 1 and 2, the seamless small jacket type coke oven coke oven uprising tube raw coke oven gas Vaporizing cooling dress of one kind of the present embodiment
It sets, including inner cylinder 1, outer barrel 2, upper flange 3 and lower flange 4, outer barrel 2 is sheathed on the outside of inner cylinder 1,1 He of inner cylinder
The both ends of outer barrel 2 pass through upper flange 3 respectively and are fixedly connected with lower flange 4, and are formed between inner cylinder 1 and outer barrel 2 close
The water leg closed, upper flange 3 and inner cylinder 1, outer barrel 2 one end be connected by the welding of groove 9, lower flange 4 and inner cylinder 1,
The other end of outer barrel 2 is connected by the welding of groove 9, forms coke oven coke oven uprising tube main structure.Inner cylinder 1 has certain thickness,
And annular vapour-liquid slot 11 and vapour-liquid connectivity slot 12, annular vapour-liquid are formed to remove material processing technique on the outer wall of inner cylinder 1
Slot 11 is at least respectively arranged one in the upper and lower ends of inner cylinder 1, each annular vapour-liquid slot 11 each parallel to inner cylinder 1 up and down two
End face；Vapour-liquid connectivity slot 12 is uniformly arranged several along the circumferential direction of inner cylinder 1, and every equal coiled coil of vapour-liquid connectivity slot 12 in
On the outer wall of inner cylinder 1, and it is connected to two annular vapour-liquid slots 11 up and down；The annular vapour-liquid slot 11 and outer barrel 2 of inner cylinder 1 enclose
Annular compartment 110 is formed, the vapour-liquid connectivity slot 12 of inner cylinder 1, the outer wall of inner cylinder 1 and 2 three of outer barrel are enclosed spiral
Equal circulation road 120, it is preferable that the inner wall of outer barrel 2 and the outer wall distance of inner cylinder 1 are less than 1mm.The both ends of outer barrel 2 are also set
There are the water inlet steel pipe 5 and vapor and liquid export steel pipe 6 for being respectively communicated with upper and lower two annular compartments 110, water inlet steel pipe 5 is set to outer barrel 2
Lower end, vapor and liquid export steel pipe 6 be set to outer barrel 2 upper end, heat transferring medium by water inlet steel pipe 5 enter annular compartment 110 after edge
Inner cylinder 1 is circumferential to be evenly distributed rapidly, enters the heat transferring medium in annular compartment 110 later along the equal circulation road 120 of each spiral
It is flowed in next annular compartment 110 to 1 radial diffusion of inner cylinder.Above-mentioned removal material processing technique can be turning process.
In the present embodiment, the depth of annular vapour-liquid slot 11 is preferably greater than or equal to the depth of vapour-liquid connectivity slot 12, specifically
Ground, the wall thickness of inner cylinder 1 are 30mm, and the depth of vapour-liquid connectivity slot 12 is 6~8mm, the depth of annular vapour-liquid slot 11 is 8~
10mm.Using the above structure, so that the upper and lower end faces of upper flange 3, lower flange 4 and inner cylinder 1, outer barrel 2 connect after enclosing,
Equal 120 section of circulation road of spiral at vapour-liquid connectivity slot 12 is less than the annular compartment 110 being located at annular vapour-liquid slot 11 and cuts
Throttling action is played in the section in face, the equal circulation road 120 of spiral, effectively prevents the prior art: in the tedge of water leg form,
When the heat transferring medium of cold conditions enter in the collet of tedge absorb inner cylinder conduction heat after gasify rapidly, also not in time including
Cylinder body outer wall surface is uniformly distributed the upper upward riser tube upper portion of deflecting, is unevenly distributed heat transferring medium in water leg, reduces water
The problem of collet service life.As shown in Fig. 2, in the present embodiment preferably, above-mentioned vapour-liquid connectivity slot 12 is in inner cylinder 1
4 are uniformly provided on outer wall.In addition, the inner cylinder 1 in the present embodiment is seamless steel pipe, the mistake of forging refinement crystal grain have passed through
Journey, integral strength is high, and pressure-bearing property is more preferable.It is also coated with lined ceramics 7 on the inner wall of inner cylinder 1, improves the heat-resisting of inner cylinder 1
Performance ensure that stability of the inner cylinder 1 in tedge operation.
The seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling of one kind of the present embodiment, heat transferring medium enter ring
It is circumferentially evenly distributed rapidly after shape chamber 110 along inner cylinder 1, it is equal along each spiral into the heat transferring medium in annular compartment 110
Circulation road 120 flows in next annular compartment 110 to 1 radial diffusion of inner cylinder, and the protrusion between vapour-liquid connectivity slot 12 rises
It is acted on to fin, increases the heat transfer area of inner cylinder 1, improve the heat exchange efficiency of heat exchanger, and inner cylinder 1 is using removal
Material processing technique is integrally formed, and integral strength is compared with the integrated poured molding rising heat exchange of heat pipe of the prior art and using roll bending
The rising heat exchange of heat pipe being welded into is higher, and pressure-bearing property is more preferable；And water leg helical structure is integrally machined, and is made simpler
Folk prescription just, reduces number of welds, and the service life is longer, and safety is more preferable.
The present embodiment also discloses a kind of production side of seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling
Method, comprising the following steps:
A, seamless steel pipe is forged, seamless steel pipe is cut into several segments according to the length of inner cylinder 1；
B, turning molds annular vapour-liquid slot 11 to the seamless steel pipe both ends outer wall surface after cutting respectively；
C, the uniform turning of seamless steel pipe outer wall surface between both ends annular vapour-liquid slot 11 goes out several connections ring up and down
The spiral shape vapour-liquid connectivity slot 12 of shape vapour-liquid slot 11 obtains inner cylinder 1；
D, upper flange 3 is welded in the one end of inner cylinder 1, and outer barrel 2 is welded on upper flange 3, in 1 He of inner cylinder
The other end of outer barrel 2 welds lower flange 4；
E, a hole corresponding with upper and lower annular vapour-liquid slot 11 is opened respectively in the upper and lower side of outer barrel 2, and upper and lower two
It is respectively welded in a hole into water steel pipe 5 and vapor and liquid export steel pipe 6.
The production method of the seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling of one kind of the present embodiment, in
The annular vapour-liquid slot 11 and spiral shape vapour-liquid connectivity slot 12 of cylinder 1 are obtained by lathe process, and direct turning can be integrally formed
Inner cylinder 1, production method is simple, more easier to process than a variety of rising heats exchange of heat pipe that integral cast molding, forging, sintering are formed,
And structural strength is higher；Inner cylinder 1 and outer barrel 2, which are welded on upper lower flange, can be completed assembling, and whole weld seam is few, easily
Welding, assembling working hour is few, and heat-exchanging component will not be mobile relative to inner cylinder and outer barrel, more firm.
The seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling of one kind of the utility model, the outer wall of inner cylinder
On to remove material processing technique form annular vapour-liquid slot and spiral vapour-liquid connectivity slot, the annular vapour-liquid slot of inner cylinder with
Outer barrel is enclosed annular compartment, and the vapour-liquid connectivity slot of inner cylinder, the outer wall of inner cylinder and outer barrel three are enclosed spiral shell
Equal circulation road is revolved, heat transferring medium enters after annular compartment to be circumferentially evenly distributed rapidly along inner cylinder, changes into annular chamber is indoor
Thermal medium flows in next annular compartment along the equal circulation road of each spiral to inner cylinder radial diffusion, the not only heat transfer of inner cylinder
Area is big, and heat exchange efficiency is high, and inner cylinder is integrally formed using removal material processing technique, and integral strength is compared with the prior art
The integrated poured molding rising heat exchange of heat pipe for rising heat exchange of heat pipe and roll bending being used to be welded into is higher, and pressure-bearing property is more preferable；And
Water leg helical structure is integrally machined, and is made simpler convenience, is reduced number of welds, and the service life is longer, safety
Property is more preferable.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, without creatively designing
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling, including inner cylinder (1), outer barrel (2), on
Flange (3) and lower flange (4), the outer barrel (2) are sheathed on the outside of inner cylinder (1), the inner cylinder (1) and outer cylinder
The both ends of body (2) pass through upper flange (3) respectively and are fixedly connected with lower flange (4), and between inner cylinder (1) and outer barrel (2)
Form closed water leg, it is characterised in that:
The inner cylinder (1) has certain thickness, and forms ring on the outer wall of inner cylinder (1) to remove material processing technique
Shape vapour-liquid slot (11) and vapour-liquid connectivity slot (12), the annular vapour-liquid slot (11) are at least each in the upper and lower ends of inner cylinder (1)
Setting one, upper and lower end faces of each annular vapour-liquid slot (11) each parallel to inner cylinder (1)；The vapour-liquid connectivity slot (12)
Several are uniformly arranged along the circumferential direction of inner cylinder (1), and every vapour-liquid connectivity slot (12) coiled coil is in the outer of inner cylinder (1)
On wall, and it is connected to two annular vapour-liquid slots (11) up and down；The annular vapour-liquid slot (11) of the inner cylinder (1) and outer barrel (2)
It is enclosed annular compartment (110), the outer wall and outer barrel of the vapour-liquid connectivity slot (12) of the inner cylinder (1), inner cylinder (1)
(2) three is enclosed the equal circulation road of spiral (120)；Lined ceramics (7) are also coated on the inner wall of the inner cylinder (1)；
The both ends of the outer barrel (2) are additionally provided with the water inlet steel pipe (5) and vapour for being respectively communicated with two annular compartments (110) up and down
Liquid exports steel pipe (6).
2. the seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling of one kind according to claim 1, feature
Be: the depth of the annular vapour-liquid slot (11) is greater than or equal to the depth of vapour-liquid connectivity slot (12).
3. the seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling of one kind according to claim 2, feature
Be: the wall thickness of the inner cylinder (1) is 30mm, and the depth of the vapour-liquid connectivity slot (12) is 6 ~ 8mm, the annular vapour
The depth of liquid bath (11) is 8 ~ 10mm.
4. the seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling of one kind according to claim 3, feature
Be: the vapour-liquid connectivity slot (12) is uniformly provided with 4 on the outer wall of inner cylinder (1).
5. the seamless small jacket type coke oven coke oven uprising tube raw coke oven gas Vaporizing cooling of one kind according to any one of claims 1 to 4
Device, it is characterised in that: the inner cylinder (1) is seamless steel pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820754658.5U CN209065825U (en) | 2018-05-21 | 2018-05-21 | A kind of seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling |
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| CN201820754658.5U CN209065825U (en) | 2018-05-21 | 2018-05-21 | A kind of seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108410479A (en) * | 2018-05-21 | 2018-08-17 | 江苏龙冶节能科技有限公司 | A kind of seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling |
| CN114111422A (en) * | 2021-12-03 | 2022-03-01 | 中国航空工业集团公司金城南京机电液压工程研究中心 | End socket integrated heat exchange multi-flow heat exchanger |
-
2018
- 2018-05-21 CN CN201820754658.5U patent/CN209065825U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108410479A (en) * | 2018-05-21 | 2018-08-17 | 江苏龙冶节能科技有限公司 | A kind of seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling |
| CN114111422A (en) * | 2021-12-03 | 2022-03-01 | 中国航空工业集团公司金城南京机电液压工程研究中心 | End socket integrated heat exchange multi-flow heat exchanger |
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