CN205152147U - Retrieve tedge device of coke oven crude gas waste heat - Google Patents
Retrieve tedge device of coke oven crude gas waste heat Download PDFInfo
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- CN205152147U CN205152147U CN201520864561.6U CN201520864561U CN205152147U CN 205152147 U CN205152147 U CN 205152147U CN 201520864561 U CN201520864561 U CN 201520864561U CN 205152147 U CN205152147 U CN 205152147U
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- upcast
- coke oven
- inner core
- tedge
- outside cylinder
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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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- Coke Industry (AREA)
Abstract
The utility model discloses a retrieve tedge device of coke oven crude gas waste heat, including tedge jacket outside cylinder, the pipe clamp cover inner tube that rises, the rise outer wall of pipe clamp cover inner tube and the axial both ends sealing connection of tedge jacket outside cylinder, the upper and lower both ends of the pipe clamp cover inner tube that rises are equipped with flange, flange down respectively, go up flange department be equipped with the export of raw coke oven gas tedge, down flange department be equipped with the raw coke oven gas tedge and enter the mouth, rising and forming sealed cavity between outer wall and the tedge jacket outside cylinder of pipe clamp cover inner tube, be equipped with the entry by heating medium at the lower extreme of tedge jacket outside cylinder, be equipped with a glass heating medium export in the upper end of tedge jacket outside cylinder, the inner wall that overlaps the inner tube at the pipe clamp that rises is equipped with the heat conduction fin. The utility model discloses utilizing fin conduction raw coke oven gas heat, separating the contact of pressing from both sides cover inner tube and raw coke oven gas through the insulating layer, the tedge problem is blockked up to coal tar pitch - graphitization in the raw coke oven gas that the contact having avoided the raw coke oven gas and pressed from both sides the cold wall of cover inner tube arouses.
Description
Technical field
The utility model relates to coke oven high temperature raw gas heat recovery technical field, particularly relates to a kind of upcast device reclaiming waste heat of coke oven crude gas.
Background technology
Coke oven raw gas temperature is out about about 750 DEG C, the heat taken out of is equivalent to 33 ~ 35 ﹪ of the total heat that coking by coke oven consumes, for ease of purification and the process of rear operation, in prior art, common way is: spray cycle ammoniacal liquor directly contacts with raw gas, vaporize in a large number by cyclic ammonia water, make raw gas sharply be cooled to 80 ~ 83 DEG C and deliver to follow-up coal gas refining system.In the said process of prior art, the converting heat of high temperature raw gas is useless water at low temperature steam (being about about 80 DEG C) and needs a large amount of recirculated water to cool, the defect existed is, both waste the heat of high temperature raw gas, consume again a large amount of water resourcess.
Large quantifier elimination has been done to the heat recovery of coke oven high temperature raw gas in home and abroad, also corresponding preheating recovery structure and method is had, but structure of the prior art and method Problems existing are: due to the natural characteristics of raw gas, there is great operational defect and potential safety hazard in these structures and method, does not therefore all obtain formal industrial applications in the industrial production.Such as, the vaporization of water jacket disclosed in prior art mode, the mixture of water and water vapour is walked between chuck, chuck inner core walked by high temperature raw gas, its main defect existed is: because chuck inner tank theca is the mixture of water and water vapour, chuck inner core wall temperature is close to the mixture temperature of water and water vapour, and the tar in raw gas is in the condensation of chuck inner core inwall, and the blue or green – greying of drop causes upcast to block gradually.
Utility model content
The purpose of this utility model is exactly the problems referred to above existed for solving prior art, improves a kind of upcast device reclaiming waste heat of coke oven crude gas; The utility model utilizes fins conduct raw gas heat, the contact of chuck inner core and raw gas is separated by thermofin, avoid contacting of raw gas and the cold wall of chuck inner core, thus avoid the coal-tar middle oil condensation at chuck inner core inwall of raw gas, solve tar Li Qing – greying blocking upcast problem gradually.
The technical scheme of the utility model technical solution problem is:
A kind of upcast device reclaiming waste heat of coke oven crude gas, comprise upcast jacket outside cylinder, upcast chuck inner core, the described outer wall of upcast chuck inner core and the axial two ends of upcast jacket outside cylinder are tightly connected, the two ends up and down of described upcast chuck inner core are respectively equipped with joint flange, lower joint flange, upper joint flange place is provided with the outlet of raw gas upcast, lower joint flange place is provided with raw gas upcast entrance, sealed cavity is formed between the outer wall of described upcast chuck inner core and upcast jacket outside cylinder, heated medium entrance is provided with in the lower end of upcast jacket outside cylinder, a glass Crude product input is provided with in the upper end of upcast jacket outside cylinder, heat transmission fin is provided with at the inwall of upcast chuck inner core.
Described heat transmission fin is axially arranged with many groups along upcast chuck inner core, often organizes heat transmission fin and is provided with multi-disc at radial equipartition.
Described upcast chuck inner core inwall is provided with inner core thermofin.
Described heated medium is water.
Water in described sealed cavity and the pressure of water vapor are 0-6.0MPa.
Water in described sealed cavity and the pressure of water vapor are 0.6 – 1.6MPa.
The temperature of described raw gas upcast ingress is 650 – 800 DEG C, and the temperature in raw gas upcast exit is 300 – 550 DEG C.
Described heat transmission fin adopts the materials such as iron and steel, stainless steel, copper, aluminium to make.
The beneficial effects of the utility model:
1. the utility model utilizes heat transmission fin for thermal conductor the heat of high temperature raw gas to be passed to heated medium in upcast chuck inner core and then heating jacket, and fins conduct raw gas heat, heat transfer efficiency are high, and exhaust heat utilization effect is good; At upcast chuck inner core, inner core thermofin is set, the contact of chuck inner core and raw gas is separated by thermofin, avoid the transmission of heat by contact of raw gas and the cold wall of chuck inner core, thus avoid the coal-tar middle oil condensation at chuck inner core inwall caused due to direct contact heat transfer of raw gas, solve tar Li Qing – greying blocking upcast problem gradually, also improve utilization rate of waste heat.
2. the utility model heat of high temperature technique reclaimed in raw gas can produce the saturation steam of 0-6.0MPa, can adapt to different customer needs.
Accompanying drawing explanation
Fig. 1 is the structure iron of the utility model device.
Fig. 2 is the vertical view of Fig. 1.
Embodiment
In order to understand the utility model better, explain embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment 1
Below for water as heated medium, structure of the present utility model and working process are described, certainly, thermal oil also can be adopted as heated medium.
As Fig. 1, shown in Fig. 2, a kind of upcast device reclaiming waste heat of coke oven crude gas, comprise upcast jacket outside cylinder 2, upcast chuck inner core 3, the described outer wall of upcast chuck inner core 3 and the axial two ends of upcast jacket outside cylinder 2 are tightly connected, the two ends up and down of described upcast chuck inner core 3 are respectively equipped with joint flange 33, lower joint flange 34, upper joint flange 33 place is provided with raw gas outlet 32, lower joint flange 34 place is provided with raw gas entrance 31, sealed cavity 5 is formed between the outer wall of described upcast chuck inner core 3 and upcast jacket outside cylinder 2, namely upcast device upcast chuck inner core 3 outer wall be provided with upcast jacket outside cylinder 2 inwall and form sealed jacket, water inlet 21 is provided with in the lower end of upcast jacket outside cylinder 2, water and steam outlet 22 is provided with in the upper end of upcast jacket outside cylinder 2, heat transmission fin 1 is provided with at the inwall of upcast chuck inner core 3, described heat transmission fin 1 is axially arranged with some groups along upcast chuck inner core 3, often organize heat transmission fin 1 and be provided with multi-disc at radial equipartition.
Described upcast chuck inner core 3 inwall is provided with inner core thermofin 4.High temperature raw gas is isolated with inner core inwall by the inner core thermofin 4 of upcast chuck inner core 3, avoids the two directly to contact, thus avoid the condensation on upcast chuck inner core 3 inwall of the tar of raw gas, reducing Li Qing – greying gradually causes upcast to block, ensure the heat transfer effect of waste heat of coke oven crude gas and water, improve the utilising efficiency of waste heat of coke oven crude gas.
The utility model is that thermal conductor passes to the water in upcast chuck inner core and then heating jacket the heat of high temperature raw gas with heat transmission fin, and inner core thermofin is set at upcast chuck inner core avoids the direct contact heat transfer of high temperature raw gas and the cold wall of inner core and the coal-tar middle oil condensation of the raw gas caused, Li Qing – greying latch up phenomenon gradually, the utility model heat of high temperature technique reclaimed in raw gas can produce the saturation steam of 0-6.0MPa, adapts to different customer needs.
Water in described sealed cavity 5 and the pressure of water vapor are 0.6 – 1.6MPa.
The temperature of described raw gas upcast ingress is 650 – 800 DEG C, outlet temperature 300 – 550 DEG C.
Described heat transmission fin adopts the materials such as iron and steel, stainless steel, copper, aluminium to make.
Utilize the upcast device reclaiming waste heat of coke oven crude gas, the process of carrying out pre-recovery of heat is:
1. passed into by the raw gas entrance 31 of high temperature raw gas from upcast chuck inner core 3 bottom, after heat transmission fin 1 absorbs heat and passes to upcast chuck inner core 3 outer wall, temperature reduces, and how to be sent by the raw gas outlet 32 on top;
2. water enters in cavity 5 by upcast jacket outside cylinder 2 bottom water inlet 21, the raw gas heat passing to upcast chuck inner core 3 outer wall through heat transmission fin 1 is heat vaporized, is sent after forming steam water interface by the water on upcast jacket outside cylinder 2 top and vapour outlet 22;
By reference to the accompanying drawings the embodiment of utility model is described although above-mentioned; but the restriction not to the utility model protection domain; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (8)
1. one kind is reclaimed the upcast device of waste heat of coke oven crude gas, comprise upcast jacket outside cylinder, upcast chuck inner core, it is characterized in that, the described outer wall of upcast chuck inner core and the axial two ends of upcast jacket outside cylinder are tightly connected, the two ends up and down of described upcast chuck inner core are respectively equipped with joint flange, lower joint flange, upper joint flange place is provided with the outlet of raw gas upcast, lower joint flange place is provided with raw gas upcast entrance, sealed cavity is formed between the outer wall of described upcast chuck inner core and upcast jacket outside cylinder, heated medium entrance is provided with in the lower end of upcast jacket outside cylinder, a glass Crude product input is provided with in the upper end of upcast jacket outside cylinder, heat transmission fin is provided with at the inwall of upcast chuck inner core.
2. the upcast device reclaiming waste heat of coke oven crude gas as claimed in claim 1, it is characterized in that, described heat transmission fin is axially arranged with many groups along upcast chuck inner core, often organizes heat transmission fin and is provided with multi-disc at radial equipartition.
3. the upcast device reclaiming waste heat of coke oven crude gas as claimed in claim 1, it is characterized in that, described upcast chuck inner core inwall is provided with inner core thermofin.
4. the upcast device reclaiming waste heat of coke oven crude gas as claimed in claim 1, it is characterized in that, described heated medium is water.
5. the upcast device reclaiming waste heat of coke oven crude gas as claimed in claim 4, it is characterized in that, the water in described sealed cavity and the pressure of water vapor are 0-6.0MPa.
6. the upcast device reclaiming waste heat of coke oven crude gas as claimed in claim 5, it is characterized in that, the water in described sealed cavity and the pressure of water vapor are 0.6 – 1.6MPa.
7. the upcast device reclaiming waste heat of coke oven crude gas as claimed in claim 1, it is characterized in that, the temperature of described raw gas upcast ingress is 650 – 800 DEG C, and the temperature in raw gas upcast exit is 300 – 550 DEG C.
8. the upcast device reclaiming waste heat of coke oven crude gas as claimed in claim 1, is characterized in that, described heat transmission fin adopts iron and steel, stainless steel, copper or aluminum to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520864561.6U CN205152147U (en) | 2015-10-31 | 2015-10-31 | Retrieve tedge device of coke oven crude gas waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520864561.6U CN205152147U (en) | 2015-10-31 | 2015-10-31 | Retrieve tedge device of coke oven crude gas waste heat |
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| Publication Number | Publication Date |
|---|---|
| CN205152147U true CN205152147U (en) | 2016-04-13 |
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| CN201520864561.6U Active CN205152147U (en) | 2015-10-31 | 2015-10-31 | Retrieve tedge device of coke oven crude gas waste heat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238419A (en) * | 2015-10-31 | 2016-01-13 | 济南冶金化工设备有限公司 | Riser apparatus for recycling waste heat of coke oven crude gas |
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2015
- 2015-10-31 CN CN201520864561.6U patent/CN205152147U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238419A (en) * | 2015-10-31 | 2016-01-13 | 济南冶金化工设备有限公司 | Riser apparatus for recycling waste heat of coke oven crude gas |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |