CN213041078U - Coke oven ascending pipe coil heat exchanger with novel fins - Google Patents
Coke oven ascending pipe coil heat exchanger with novel fins Download PDFInfo
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- CN213041078U CN213041078U CN202022061099.XU CN202022061099U CN213041078U CN 213041078 U CN213041078 U CN 213041078U CN 202022061099 U CN202022061099 U CN 202022061099U CN 213041078 U CN213041078 U CN 213041078U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model discloses a coiled pipe heat exchanger of a coke oven ascending pipe with novel fins, relating to the technical field of coke oven heat exchange; the two ends of the outer cylinder of the coil heat exchanger are respectively connected with the upper flange and the lower flange of the coil heat exchanger, the coil is spirally arranged along the inner cylinder of the coil heat exchanger, the lower end of the coil is connected with a heat exchange steam inlet pipe, the upper end of the coil is connected with a heat exchange steam outlet pipe, a heat conduction and heat accumulation layer of the coil heat exchanger is arranged between the outer cylinder of the coil heat exchanger and the inner cylinder of the coil heat exchanger, a plurality of special-shaped fins for the coil heat exchanger are distributed on the inner side wall of the inner cylinder of the coil heat exchanger along the circumferential direction, and heat accumulation; the utility model improves the heat storage capacity of the inner cylinder and the fins of the coil tube heat exchanger of the coke oven ascending tube, avoids tar precipitation and environmental pollution of crude gas in the inner cylinder of the heat exchanger, and ensures the heat exchange efficiency; the safe and efficient operation of the coil heat exchanger is ensured; simple structure and energy saving.
Description
Technical Field
The utility model belongs to the technical field of the coke oven heat transfer, concretely relates to take coke oven tedge coil pipe heat exchanger of novel fin.
Background
The traditional coke oven ascending pipe is an adiabatic gas channel, the temperature of the crude gas is between 650 ℃ and 850 ℃, the crude gas is generally cooled by spraying ammonia water, the temperature of the crude gas is reduced from 650 ℃ to 850 ℃ to about 80 ℃, and then the crude gas enters the next process flow for treatment, a large amount of ammonia water is required to be sprayed in the process, the cost is high, the environment is polluted, and more importantly, the heat of the crude gas is wasted, and the energy is not fully utilized, so that the energy waste is caused.
At present, with the high importance of a coking plant on resource recycling, the waste heat recovery of the raw gas is one of the main ways for reducing the energy consumption of the coke oven, and the existing process is to make the raw gas with high temperature of 650-850 ℃ escaping from a coking chamber enter a gas collecting pipe through an ascending pipe heat exchanger to recover the waste heat. The coke oven crude gas contains various tar components, the dew point of the coke oven crude gas is mainly distributed at 200-350 ℃, liquid with higher viscosity is easily generated to be tightly adhered to the surface of a tube wall, so that the problems of adhesion and coking are caused, the production working condition is unstable, and the heat transfer problem is further worsened. When the waste heat of the crude gas is recovered by using a coil heat exchanger at the present stage, coking phenomena generally exist, the heat transfer efficiency is influenced, and environmental pollution is caused.
Disclosure of Invention
The problem that the heat exchange efficiency of the coil is low and the environmental risk of black smoke is caused due to the fact that the inner fins of the existing ascending tube coil heat exchanger are made of long-strip steel, when the temperature of raw coke gas is reduced after the coking period, the temperature of the inner wall and the fins is influenced by steam in the coil, the temperature is reduced quickly, the temperature is reduced to reach tar precipitation temperature, the raw coke gas contacts the inner cylinder and the fins are precipitated, and tar is tightly adhered to the surfaces of the inner cylinder and the fins is solved; the utility model aims to provide a coke oven ascending pipe coil heat exchanger with novel fins.
The utility model discloses a coke oven ascending pipe coil heat exchanger with novel fins, which comprises an upper flange of the coil heat exchanger, a coil, a heat exchange steam outlet pipe, an outer cylinder of the coil heat exchanger, a heat conduction and heat accumulation layer of the coil heat exchanger, an inner cylinder of the coil heat exchanger, special-shaped fins for the coil heat exchanger, a lower flange of the coil heat exchanger and a heat exchange steam inlet pipe; the upper end and the lower end of the inner barrel of the coil heat exchanger are respectively provided with an upper flange and a lower flange of the coil heat exchanger, the outer barrel of the coil heat exchanger is arranged outside the inner barrel of the coil heat exchanger, the outer barrel of the coil heat exchanger and the inner barrel of the coil heat exchanger are concentrically arranged, two ends of the outer barrel of the coil heat exchanger are respectively connected with the upper flange and the lower flange of the coil heat exchanger, the coil is spirally arranged along the inner barrel of the coil heat exchanger, the lower end of the coil is connected with a heat exchange steam inlet pipe, the upper end of the coil is connected with a heat exchange steam outlet pipe, a heat conduction and heat storage layer of the coil heat exchanger is arranged between the outer barrel of the coil heat exchanger and the inner barrel of the coil heat exchanger, a plurality of special-shaped fins for.
Preferably, the diameter of the section of each coil is 32-45mm, the distance between every two adjacent coils is 60-76 mm, and the coils are stainless steel pipes.
Preferably, the special-shaped fin for the coil heat exchanger is square steel, square channel steel or equal angle steel.
Preferably, the heat storage material body is alumina or lithium oxide or titanium dioxide.
Preferably, the thickness of the heat-conducting and heat-storing layer of the coil heat exchanger is 45mm-60 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the heat storage capacity of the inner cylinder and the fins of the coil heat exchanger of the ascending pipe of the coke oven is improved, the tar precipitation and the environmental pollution of raw coke oven gas in the inner cylinder of the heat exchanger are avoided, and the heat exchange efficiency is ensured;
secondly, ensuring the safe and efficient operation of the coil heat exchanger; simple structure and energy saving.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the special-shaped fin for the middle coil heat exchanger of the present invention;
FIG. 3 is another schematic structural diagram of the special-shaped fin for the middle coil heat exchanger of the present invention;
fig. 4 is another schematic structural diagram of the special-shaped fin for the middle coil heat exchanger of the present invention.
In the figure: 1-upper flange of coil heat exchanger; 2-a coil pipe; 3-heat exchange steam outlet pipe; 4-outer cylinder of coil heat exchanger; 5-heat conducting and heat accumulating layer of coil heat exchanger; 6-inner cylinder of coil heat exchanger; 7-special-shaped fins for the coil heat exchanger; 8-lower flange of coil heat exchanger; 9-heat exchange steam inlet pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: the device comprises an upper flange 1 of a coil heat exchanger, a coil 2, a heat exchange steam outlet pipe 3, an outer cylinder 4 of the coil heat exchanger, a heat conduction and accumulation layer 5 of the coil heat exchanger, an inner cylinder 6 of the coil heat exchanger, special-shaped fins 7 for the coil heat exchanger, a lower flange 8 of the coil heat exchanger and a heat exchange steam inlet pipe 9; the upper end and the lower end of a barrel 6 in the coil heat exchanger are respectively provided with an upper flange 1 of the coil heat exchanger and a lower flange 8 of the coil heat exchanger, an outer barrel 4 of the coil heat exchanger is arranged outside the barrel 6 in the coil heat exchanger, the outer barrel 4 of the coil heat exchanger and the barrel 6 in the coil heat exchanger are concentrically arranged, two ends of the outer barrel 4 of the coil heat exchanger are respectively connected with the upper flange 1 of the coil heat exchanger and the lower flange 8 of the coil heat exchanger, a coil 2 is spirally arranged along the barrel 6 in the coil heat exchanger, the lower end of the coil 2 is connected with a heat exchange steam inlet pipe 9, the upper end of the coil 2 is connected with a heat exchange steam outlet pipe 3, a heat conduction and accumulation layer 5 of the coil heat exchanger is arranged between the outer barrel 4 of the coil heat exchanger and the barrel 6 in the coil heat exchanger, a plurality of special-.
Furthermore, the diameter of the section of the coil pipe 2 is 32-45mm, the distance between adjacent coil pipes is 60-76 mm, and the coil pipes are stainless steel pipes.
As shown in fig. 2, 3 and 4, the special-shaped fin 7 for the coil heat exchanger is a square steel (50 × 25 × 3), a square channel (50 × 37 × 4.5), an equal angle steel (50 × 50 × 6) or a steel body with other shapes.
Further, the heat storage material body is alumina or lithium oxide or titanium dioxide.
Further, the rear end of the heat conducting and storing layer 5 of the coil heat exchanger is 45mm-60 mm.
The working principle of the specific embodiment is as follows: the coil heat exchanger adopts the special-shaped fins, and the heat storage materials are filled in the special-shaped fins, so that the heat storage capacity of the inner cylinder and the fins can be enhanced compared with the common strip-shaped fins, the cooling of the inner cylinder and the fins after a coking period is delayed, the tar is prevented from being separated out, the coking problem is avoided, and the heat exchange of the coil heat exchanger is not influenced. The inner cylinder body is made of carbon steel and a high-temperature coating; the upper flange and the lower flange are made of carbon steel, so that the heat storage capacity of the inner cylinder and the fins of the coil tube heat exchanger of the ascending tube of the coke oven is improved, tar precipitation and environmental pollution of raw coke oven gas in the inner cylinder of the heat exchanger are avoided, and the heat exchange efficiency is ensured. The safe and efficient operation of the coil heat exchanger is ensured.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a take coke oven tedge coiled tube heat exchanger of novel fin which characterized in that: the heat exchange device comprises an upper flange of a coil heat exchanger, a coil, a heat exchange steam outlet pipe, an outer cylinder of the coil heat exchanger, a heat conduction and heat storage layer of the coil heat exchanger, an inner cylinder of the coil heat exchanger, special-shaped fins for the coil heat exchanger, a lower flange of the coil heat exchanger and a heat exchange steam inlet pipe; the upper end and the lower end of the inner barrel of the coil heat exchanger are respectively provided with an upper flange and a lower flange of the coil heat exchanger, the outer barrel of the coil heat exchanger is arranged outside the inner barrel of the coil heat exchanger, the outer barrel of the coil heat exchanger and the inner barrel of the coil heat exchanger are concentrically arranged, two ends of the outer barrel of the coil heat exchanger are respectively connected with the upper flange and the lower flange of the coil heat exchanger, the coil is spirally arranged along the inner barrel of the coil heat exchanger, the lower end of the coil is connected with a heat exchange steam inlet pipe, the upper end of the coil is connected with a heat exchange steam outlet pipe, a heat conduction and heat storage layer of the coil heat exchanger is arranged between the outer barrel of the coil heat exchanger and the inner barrel of the coil heat exchanger, a plurality of special-shaped fins for.
2. The coiled heat exchanger with the novel fins for the ascending tube of the coke oven as claimed in claim 1, wherein: the diameter of the section of each coil pipe is 32-45mm, the distance between every two adjacent coil pipes is 60-76 mm, and the coil pipes are stainless steel pipes.
3. The coiled heat exchanger with the novel fins for the ascending tube of the coke oven as claimed in claim 1, wherein: the special-shaped fins for the coil heat exchanger are square steel, square channel steel or equilateral angle steel.
4. The coiled heat exchanger with the novel fins for the ascending tube of the coke oven as claimed in claim 1, wherein: the heat storage material body is alumina or lithium oxide or titanium dioxide.
5. The coiled heat exchanger with the novel fins for the ascending tube of the coke oven as claimed in claim 1, wherein: the thickness of the heat conducting and storing layer of the coil heat exchanger is 45mm-60 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022061099.XU CN213041078U (en) | 2020-09-19 | 2020-09-19 | Coke oven ascending pipe coil heat exchanger with novel fins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022061099.XU CN213041078U (en) | 2020-09-19 | 2020-09-19 | Coke oven ascending pipe coil heat exchanger with novel fins |
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| Publication Number | Publication Date |
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| CN213041078U true CN213041078U (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022061099.XU Active CN213041078U (en) | 2020-09-19 | 2020-09-19 | Coke oven ascending pipe coil heat exchanger with novel fins |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116182589A (en) * | 2023-02-09 | 2023-05-30 | 唐山市宝凯科技有限公司 | Riser heat exchanger with longitudinal inner pleat teeth heat exchange tube and manufacturing method thereof |
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2020
- 2020-09-19 CN CN202022061099.XU patent/CN213041078U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116182589A (en) * | 2023-02-09 | 2023-05-30 | 唐山市宝凯科技有限公司 | Riser heat exchanger with longitudinal inner pleat teeth heat exchange tube and manufacturing method thereof |
| CN116182589B (en) * | 2023-02-09 | 2023-11-10 | 唐山市宝凯科技有限公司 | Riser heat exchanger with longitudinal inner pleat teeth heat exchange tube and manufacturing method thereof |
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