CN206538376U - Coke oven coke oven uprising tube/pipe group raw coke oven gas heat-exchange device - Google Patents
Coke oven coke oven uprising tube/pipe group raw coke oven gas heat-exchange device Download PDFInfo
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- CN206538376U CN206538376U CN201720245658.8U CN201720245658U CN206538376U CN 206538376 U CN206538376 U CN 206538376U CN 201720245658 U CN201720245658 U CN 201720245658U CN 206538376 U CN206538376 U CN 206538376U
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- coke oven
- heat
- exchange device
- spoiler
- tube
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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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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of coke oven coke oven uprising tube/pipe group raw coke oven gas heat-exchange device, the problem of raw coke oven gas waste heat can not fully being reclaimed mainly for existing rising heat exchange of heat pipe, propose a kind of abundant coke oven coke oven uprising tube raw coke oven gas heat-exchange device for reclaiming raw coke oven gas waste heat, it is characterised in that：Shell, heat-insulation layer, inner sleeve and the inner casing set gradually including ecto-entad, heat exchanging medium passage is provided between the inner sleeve and inner casing；The heat exchanging medium passage is connected with heat transferring medium inlet duct and heat transferring medium outlet conduit, the heat transferring medium inlet duct and heat transferring medium outlet conduit pass heat-insulation layer and shell, and the inner casing is provided with least one annular projection towards inner side along in short transverse.Raw coke oven gas in coke oven heat-exchange device of the present utility model is in turbulent condition, fully can carry out heat exchange with heat transferring medium.
Description
Technical field
The utility model is related to a kind of coke oven coke oven uprising tube/pipe group raw coke oven gas heat-exchange device.
Background technology
Coke oven is in process of coking, and carbonization chamber escapes substantial amounts of raw coke oven gas, cold by coke oven coke oven uprising tube, bridge tube, discharge
But feedingization production device carries out purified treatment after gathering；In a coking cycles, the raw coke oven gas of single hole carbonization chamber output is about
10000m3, temperature is up to 650~800 DEG C when raw coke oven gas passes through coke oven coke oven uprising tube, contains substantial amounts of sensible heat.In order to reduce coke oven
Raw gas temperature is easy to follow-up coking process to handle, and traditional handicraft makes famine using cyclic ammonia water rapidly cooling down high-temperature raw coke oven gas is sprayed
Coal gas is drastically cooled to 80~85 DEG C.The technological process not only wastes a large amount of crude-gas sensible heats, and consume substantial amounts of ammoniacal liquor,
Substantial amounts of water resource and electric power are wasted again, add quantity of wastewater effluent.
Coal oven dithio-gas sensible heat is huge and is not used effectively.Current coking industry actively finds the new way of cost efficiency
Footpath, energy-conservation --- an important means of cost is undoubtedly reduced, and with industrial high speed development, demand for energy
Increasing, and the supply of the energy is more and more nervous, all trades and professions must be taped the latent power innovation, and energy-saving and emission-reduction measure is taken as far as possible.
Utility model content
Handed in view of the above-mentioned problems, the utility model provides a kind of abundant coke oven coke oven uprising tube raw coke oven gas heat for reclaiming raw coke oven gas heat
Changing device.
To reach above-mentioned purpose, the utility model coke oven coke oven uprising tube raw coke oven gas heat-exchange device, including ecto-entad is successively
Shell, heat-insulation layer, inner sleeve and the inner casing of setting, heat exchanging medium passage is provided between the inner sleeve and inner casing；It is described to change
Hot media channel is connected with heat transferring medium inlet duct and heat transferring medium outlet conduit, the heat transferring medium inlet duct and heat exchange
Media outlet pipeline passes heat-insulation layer and shell；It is provided with the inside of the inner casing on the inside of an annular projection, or the inner casing
At least two annular projections towards inner side are disposed with along in short transverse.
Further, the section of the annular projection is arc, and the annular projection is in smoothing junction with the inner casing.
Further, at least one annular projection towards inner side is also equipped with the inner sleeve；
Annular projection on the inner sleeve is corresponded with the annular projection on the inner casing to be set, the inner sleeve
The heat exchanging medium passage of one section of arc is formed between the annular projection of annular projection and the inner casing.
Further, be provided with the spoiler of helical arrangement in the heat exchanging medium passage, the spoiler with it is described interior
Shell and/or inner sleeve connection.
Further, maximum length of the annular projection along the inner casing radial direction is the 1/2 of the not enough inner casing diameter；
The 1/2 of the maximum height deficiency inner casing diameter of the annular projection along inner casing axial direction.
Further, the inner surface of the inner casing is coated with anti-corrosion, anti-stick coating.
Further, the spoiler includes some inner tube spoilers and some inner sleeve spoilers；
It is spaced and sets between each said inner tube spoiler Spiral distribution on the outer wall of said inner tube, adjacent two inner tubes spoiler
Put；The outward flange of said inner tube spoiler is arranged at intervals with the inner sleeve；
Between each inner sleeve spoiler Spiral distribution on the inwall of the inner sleeve, adjacent two inner sleeves spoiler
It is arranged at intervals；The inward flange of the inner sleeve spoiler is arranged at intervals with said inner tube；
The helical trajectory of the inner sleeve spoiler and the helical trajectory of said inner tube spoiler are staggered.
In existing coke oven coke oven uprising tube raw coke oven gas heat-exchange device, the flowing of raw coke oven gas is in laminar condition, so that, rise
Tube heat exchange device is only capable of the heat of the raw coke oven gas of absorption edge part, and core heat not yet comes and reclaimed in i.e. discharge
Riser；And in coke oven coke oven uprising tube raw coke oven gas heat-exchange device of the present utility model, annular projection is set towards inner side on inner pipe,
Flow regime of the raw coke oven gas in tedge is set to be changed into turbulent condition, because the raw coke oven gas under turbulent condition can make each position
Raw coke oven gas is to the irregular loss of surrounding, thus, it is possible to make tedge heat-exchange device fully be exchanged heat with high temperature raw coke oven gas, greatly
The big raw coke oven gas that improves reclaims the thermal efficiency.
In view of the above-mentioned problems, the utility model provides a kind of abundant coke oven coke oven uprising tube group raw coke oven gas heat for reclaiming raw coke oven gas heat
Switch.
To reach above-mentioned purpose, the utility model coke oven coke oven uprising tube group raw coke oven gas heat-exchange device, including at least two such as
Coke oven coke oven uprising tube raw coke oven gas heat-exchange device described in above-mentioned any one, wherein, the inside and outside shell or inside and outside shell and inner sleeve
The upper and lower end of pipe is connected with flange seal；
Adjacent two ascending tube crude-gas heat-exchange device is connected by flange seal, each ascending tube crude-gas heat exchange
The heat exchanging medium passage series connection of device.
The utility model coke oven coke oven uprising tube group raw coke oven gas heat-exchange device can be according to raw coke oven gas in the coke oven coke oven uprising tube
Amount determines the ascending tube crude-gas heat exchanger quantity of series operation, realizes of raw coke oven gas amount and the waste heat recovery ability of the device
Match somebody with somebody；Rise the inner tube of heat exchange of heat pipe, inner sleeve and be respectively provided to a few annular projection along short transverse, can improve raw coke oven gas with
Cooling medium convective heat exchange effect in heat exchanger inner sleeve, improves waste heat recovery efficiency.Relative to prior art tedge knot
Structure, the utility model is effectively reclaimed in coke oven coke oven uprising tube while ensuring coke oven safe operation, not influenceing processing parameter
Raw coke oven gas waste heat, the consumption for reducing cooling ammoniacal liquor, simultaneously, it is to avoid rise inside pipe wall coking, corrosion phenomenon.
Brief description of the drawings
Fig. 1 is a kind of preferred structure schematic diagram of the utility model coke oven coke oven uprising tube raw coke oven gas heat-exchange device；
Fig. 2 is Fig. 1 A-A views；
Fig. 3 is the utility model embodiment 1 and the raw coke oven gas of the coke oven coke oven uprising tube raw coke oven gas heat-exchange device of prior art
Flowing velocity contrast schematic diagram；Wherein, left side is the raw coke oven gas flowing velocity distribution figure of prior art, and right side is the utility model
The raw coke oven gas flowing velocity distribution figure of embodiment 1；
Fig. 4 is the utility model embodiment 1 and the raw coke oven gas of the coke oven coke oven uprising tube raw coke oven gas heat-exchange device of prior art
Temperature Distribution contrast schematic diagram；Wherein, left side is the raw gas temperature distribution map of prior art, and right side is implemented for the utility model
The raw gas temperature distribution map of example 1.
Embodiment
The utility model is further described with reference to Figure of description.
Embodiment 1
As shown in figure 1, as shown in Figure 1-2, the present embodiment provides a kind of coke oven coke oven uprising tube raw coke oven gas heat-exchange device, the dress
Put including a coke oven coke oven uprising tube raw coke oven gas heat exchanger 1；Wherein described coke oven coke oven uprising tube raw coke oven gas heat exchanger 1 uses jacket type knot
Structure, is made up of, center coal oven dithio-gas passage 3, inner tube 5, steam-water channel 7, inner sleeve 8, heat-insulation layer 13, external jacket 14 etc. respectively
Tube side is cylindrical raw coke oven gas passage 3, and inner tubal wall 5 sets coating with anti-corrosion, anti-coking, while being used as main heating surface.
The tube wall chuck is steam-water channel 7, and drum feedwater absorbs the heat of ascending tube crude-gas heat exchanger in chuck,
Produce steam water interface；Cooling water flow-guiding structure 9 is set inside the ascending tube crude-gas heat exchanger, carbonated drink in chuck can be made
Even flow field is distributed.
The ascending tube crude-gas inner tube of heat exchanger 5, inner sleeve 8 are whole alloy seamless steel pipe, and no-welding-seam can avoid thing
The situation that Gu Shishui flows into carbonization chamber occurs；The coke oven coke oven uprising tube raw coke oven gas exchanger base sets water inlet 10 and sewage draining exit
15, top sets steam water interface to export 6.
The inner tube 5 for rising heat exchange of heat pipe, inner sleeve 8 set two annular projections 11 along short transverse respectively, can carry
High raw coke oven gas and cooling medium convective heat exchange effect in heat exchanger inner sleeve 8, improve waste heat recovery efficiency.Wherein, the ring
The raised section of shape is arc, and the annular projection is in smoothing junction with the inner casing.Two courts are also equipped with the inner sleeve
To the annular projection of inner side；Annular projection on the inner sleeve is correspondingly arranged with the annular projection on the inner casing, described interior
The heat exchanging medium passage of one section of arc is formed between the annular projection of the annular projection of sleeve pipe and the inner casing.
Maximum length of the annular projection along the inner casing radial direction is the 1/2 of the not enough inner casing diameter；The ring-type
The 1/2 of the raised maximum height deficiency inner casing diameter along inner casing axial direction.
Due to the presence of the annular projection in the present embodiment, raw coke oven gas is set to be in turbulent condition, so, the high temperature at center is waste
Coal gas can to edge-diffusion so that, the temperature of the inner tube wall of the tedge heat-exchange device in the present embodiment can be higher than existing
Tedge heat-exchange device, the organic matter in raw coke oven gas can be avoided to be condensed on wall, annular projection would not also occur
The situation of upper accumulation organic matter.
Due to being provided with anti-corrosion, anti-coking coating on inner tube wall, therefore, even if there is a small amount of organic matter to condense, also can
It is enough smoothly along under wall flow, be not in the situation of accumulation.
As shown in Figure 3-4, in existing coke oven coke oven uprising tube raw coke oven gas heat-exchange device, the flowing of raw coke oven gas is in laminar flow shape
State, so that, tedge heat-exchange device is only capable of the heat of the raw coke oven gas of absorption edge part, and on coke oven of the present utility model
In riser raw coke oven gas heat-exchange device, annular projection is set towards inner side on inner pipe, makes flowing of the raw coke oven gas in tedge
State is changed into turbulent condition, because the raw coke oven gas under turbulent condition can make the raw coke oven gas at each position to the irregular loss of surrounding,
Thus, it is possible to make tedge heat-exchange device fully be exchanged heat with high temperature raw coke oven gas, greatly improve raw coke oven gas and reclaim the thermal efficiency.
In the present embodiment, the quantity of annular projection elects two as, and the quantity is only make in the present embodiment a kind of excellent
Embodiment is selected, the quantity composition to annular projection of the present utility model is not limited, and the annular projection in the utility model is also
It can be implemented from other quantity, such as 1,3,4 or more annular projections.
Embodiment 2
The present embodiment provides a kind of coke oven coke oven uprising tube raw coke oven gas heat-exchange device, the present embodiment it is different from embodiment 1 it
It is in the annular projection of the present embodiment uses section for the annular projection of triangle, is not set on the inner sleeve in the present embodiment
Put annular projection.
The section of the present embodiment can equally make raw coke oven gas be in turbulent condition for the annular projection of triangle, can be abundant
Reclaim the heat of raw coke oven gas.In addition, inner sleeve is not provided with the embodiment of annular projection and is also applied for embodiment in the present embodiment
1。
The annular projection that section is arc and section is triangle, the projection have been respectively adopted in embodiment 1 and embodiment 2
Shape be only preferred embodiment, the shape of annular projection of the present utility model not to be constituted and limited, for example, may be used also
To use the annular projection of rectangular cross-section, section as trapezoidal annular projection etc., the effect of annular projection is in order in changing
The diameter of pipe, to raw coke oven gas formation flow-disturbing effect, so that flow regime of the raw coke oven gas in tedge is turbulent condition.
Embodiment 3
The present embodiment provides a kind of coke oven coke oven uprising tube raw coke oven gas heat-exchange device, and the spoiler includes some inner tube flow-disturbings
Plate and some inner sleeve spoilers；
It is spaced and sets between each said inner tube spoiler Spiral distribution on the outer wall of said inner tube, adjacent two inner tubes spoiler
Put；The outward flange of said inner tube spoiler is arranged at intervals with the inner sleeve；
Between each inner sleeve spoiler Spiral distribution on the inwall of the inner sleeve, adjacent two inner sleeves spoiler
It is arranged at intervals；The inward flange of the inner sleeve spoiler is arranged at intervals with said inner tube；
The helical trajectory of the inner sleeve spoiler and the helical trajectory of said inner tube spoiler are staggered.
The set-up mode of the present embodiment can make the heat transferring medium in heat exchanging medium passage be evenly distributed, and be conducive to fully returning
Receive raw coke oven gas waste heat.
Embodiment 4
The difference of the present embodiment and above-described embodiment is：Inner sleeve pipe outer wall 8 with setting ripple respectively on external jacket 14
Line compensator 12.Balance pipe 2 is set on the upside of the external jacket.
Because the heating degree of inner tube 5, inner sleeve 8, external jacket 14 is different, material is also different, therefore, the present embodiment
FlexbleJoint is provided with the inner sleeve 8 and external jacket 14, it is poor to compensate deformation caused by the harmomegathus rate between three
It is different, it is to avoid ascending tube crude-gas heat exchanger is destroyed.
Embodiment 5
The present embodiment provides a kind of coke oven coke oven uprising tube group raw coke oven gas heat-exchange device, including at least two any real as described above
Apply the example coke oven coke oven uprising tube raw coke oven gas heat-exchange device, wherein, the inside and outside shell or inside and outside shell and inner sleeve it is upper and lower
End is connected with flange seal；
Adjacent two ascending tube crude-gas heat-exchange device is connected by flange seal, each ascending tube crude-gas heat exchange
The heat exchanging medium passage series connection of device.
The present embodiment coke oven coke oven uprising tube group raw coke oven gas heat-exchange device can be according to raw coke oven gas amount in the coke oven coke oven uprising tube
The ascending tube crude-gas heat exchanger quantity of series operation is determined, of raw coke oven gas amount and the waste heat recovery ability of the device is realized
Match somebody with somebody；Rise the inner tube of heat exchange of heat pipe, inner sleeve and be respectively provided to a few annular projection along short transverse, can improve raw coke oven gas with
Cooling medium convective heat exchange effect in heat exchanger inner sleeve, improves waste heat recovery efficiency.Relative to prior art tedge knot
Structure, the present embodiment reclaims waste in coke oven coke oven uprising tube while ensuring coke oven safe operation, not influenceing processing parameter, effectively
Coal gas waste heat, the consumption for reducing cooling ammoniacal liquor, simultaneously, it is to avoid rise inside pipe wall coking, corrosion phenomenon.
More than, preferred embodiment only of the present utility model, but protection domain of the present utility model is not limited thereto, and appoints
What those familiar with the art the change that can readily occur in or replaces in the technical scope that the utility model is disclosed
Change, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with claim
The protection domain defined is defined.
Claims (8)
1. a kind of coke oven coke oven uprising tube raw coke oven gas heat-exchange device, it is characterised in that：The shell that is set gradually including ecto-entad, protect
Warm layer, inner sleeve and inner casing, heat exchanging medium passage is provided between the inner sleeve and inner casing；The heat exchanging medium passage is with changing
Thermal medium inlet duct is connected with heat transferring medium outlet conduit, and the heat transferring medium inlet duct and heat transferring medium outlet conduit are worn
Go out heat-insulation layer and shell；Be provided with the inside of the inner casing on the inside of an annular projection, or the inner casing along in short transverse according to
It is secondary to be provided with least two annular projections towards inner side.
2. coke oven coke oven uprising tube raw coke oven gas heat-exchange device as claimed in claim 1, it is characterised in that：The section of the annular projection
For arc, the annular projection and inner casing smooth connection.
3. coke oven coke oven uprising tube raw coke oven gas heat-exchange device as claimed in claim 2, it is characterised in that：It is also provided with the inner sleeve
There is at least one annular projection towards inner side；
Annular projection on the inner sleeve is corresponded with the annular projection on the inner casing to be set, the ring-type of the inner sleeve
The raised heat exchanging medium passage that one section of arc is formed between the annular projection of the inner casing.
4. coke oven coke oven uprising tube raw coke oven gas heat-exchange device as claimed in claim 1, it is characterised in that：In the heat exchanging medium passage
The spoiler of helical arrangement is provided with, the spoiler is connected with the inner casing and/or inner sleeve.
5. coke oven coke oven uprising tube raw coke oven gas heat-exchange device as claimed in claim 1, it is characterised in that：The annular projection is described in
The maximum length of inner casing radial direction is the 1/2 of the not enough inner casing diameter；Maximum of the annular projection along inner casing axial direction is high
Spend the 1/2 of the not enough inner casing diameter.
6. coke oven coke oven uprising tube raw coke oven gas heat-exchange device as claimed in claim 1, it is characterised in that：The inner surface of the inner casing is applied
It is covered with anti-corrosion, anti-stick coating.
7. coke oven coke oven uprising tube raw coke oven gas heat-exchange device as claimed in claim 4, it is characterised in that：The spoiler includes some
Inner tube spoiler and some inner sleeve spoilers；
It is arranged at intervals between each said inner tube spoiler Spiral distribution on the outer wall of said inner tube, adjacent two inner tubes spoiler；
The outward flange of said inner tube spoiler is arranged at intervals with the inner sleeve；
It is spaced between each inner sleeve spoiler Spiral distribution on the inwall of the inner sleeve, adjacent two inner sleeves spoiler
Set；The inward flange of the inner sleeve spoiler is arranged at intervals with said inner tube；
The helical trajectory of the inner sleeve spoiler and the helical trajectory of said inner tube spoiler are staggered.
8. a kind of coke oven coke oven uprising tube group raw coke oven gas heat-exchange device, it is characterised in that：Appoint including at least two such as claim 1-7
Anticipate a coke oven coke oven uprising tube raw coke oven gas heat-exchange device, wherein, the inside and outside shell or inside and outside shell and inner sleeve it is upper,
Lower end is connected with flange seal；
Adjacent two ascending tube crude-gas heat-exchange device is connected by flange seal, each ascending tube crude-gas heat-exchange device
Heat exchanging medium passage series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245658.8U CN206538376U (en) | 2017-03-14 | 2017-03-14 | Coke oven coke oven uprising tube/pipe group raw coke oven gas heat-exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245658.8U CN206538376U (en) | 2017-03-14 | 2017-03-14 | Coke oven coke oven uprising tube/pipe group raw coke oven gas heat-exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206538376U true CN206538376U (en) | 2017-10-03 |
Family
ID=59942799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720245658.8U Active CN206538376U (en) | 2017-03-14 | 2017-03-14 | Coke oven coke oven uprising tube/pipe group raw coke oven gas heat-exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206538376U (en) |
-
2017
- 2017-03-14 CN CN201720245658.8U patent/CN206538376U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220606 Address after: 243000 Fu Chang Industrial Park, 259 HSI Nan Road, Ma'anshan economic and Technological Development Zone, Anhui Patentee after: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Patentee after: HUATIAN NANJING ENGINEERING & TECHNOLOGY CORPORATION, MCC Address before: 243005 Hunan West Road, Ma'anshan, Ma'anshan, Anhui Patentee before: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Patentee before: MCC Huatian (Anhui) energy conservation and Environmental Protection Research Institute Co., Ltd |
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| TR01 | Transfer of patent right |