CN204607917U - A kind of coke oven threeway bridge tube heat exchanger apparatus - Google Patents
A kind of coke oven threeway bridge tube heat exchanger apparatus Download PDFInfo
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- CN204607917U CN204607917U CN201520175570.4U CN201520175570U CN204607917U CN 204607917 U CN204607917 U CN 204607917U CN 201520175570 U CN201520175570 U CN 201520175570U CN 204607917 U CN204607917 U CN 204607917U
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- pipeline section
- heat exchange
- heat
- vertical pipeline
- pipe mouth
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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
Abstract
The utility model relates to a kind of field of heat exchangers, particularly a kind of coke oven threeway bridge tube heat exchanger apparatus.A kind of coke oven threeway bridge tube heat exchanger apparatus, it comprises vertical pipeline section and connects the horizontal pipeline section on vertical pipeline section, the lower end of vertical pipeline section is gas approach, upper end is coke cleaning hole, the end of horizontal pipeline section is provided with exhanst gas outlet, it is characterized in that: the inside of described vertical pipeline section is provided with heat exchange pipe box, heat exchange pipe box comprises heat exchange inner sleeve and heat exchange overcoat, the top of vertical pipeline section arranges the water inlet pipe mouth be communicated with heat exchange overcoat, the opposite side of bottom is provided with the effluent pipe mouth be communicated with heat exchange overcoat, guide plate stream is provided with at water inlet pipe mouth and effluent pipe mouth, the outer wall of described heat exchange overcoat is provided with insulating, the inwall of heat exchange inner sleeve is provided with heat conducting coating.The utility model achieves the recycling of waste heat of coke oven crude gas, improves utilization ratio, has saved the energy.
Description
Technical field
The utility model relates to a kind of field of heat exchangers, particularly a kind of coke oven threeway bridge tube heat exchanger apparatus.
Background technology
At present, the heat taken out of from coking chamber through 650 DEG C ~ 800 DEG C raw gas that upcast is overflowed accounts for 36% of coke oven total heat.Raw gas in order to cooling down high-temperature must spray a large amount of 70 DEG C ~ 75 DEG C cyclic ammonia waters, and high temperature raw gas is cooled to 82 DEG C ~ 85 DEG C because of a large amount of evaporation of cyclic ammonia water, then is cooled to 22 DEG C ~ 35 DEG C through primary cooler, and raw gas is taken heat out of and is wasted.Coal gas cools in time institute's liberated heat at effuser about has 75 ~ 80% for evaporating ammoniacal liquor, 10 ~ 15%, ammoniacal liquor to be heated up, and the heat lost by radiation of effuser accounts for 10%.So far the recycle device of mature and reliable is not had to put into operation, many coal chemical enterprises both at home and abroad did many experimental studies to pick up the heat more than coke oven ascending tube crude-gas, also have many units once to carry out technological transformation and application, but for high temperature process and start the process of bad working environments when stopping and inner attached long-pending tar and coke disposal and use not satisfactory.At upcast after exchanger heat exchanges, also has a large amount of heats by threeway bridge tube discharged to effuser.
Summary of the invention
The utility model is in order to overcome the waste heat of raw gas after a large amount of waste heats that upcast also has after interchanger exchanges enter threeway bridge tube, waste heat fails the deficiency made full use of, and providing a kind of coke oven threeway bridge tube heat exchanger apparatus can solve the problem completely.
The technical scheme solved the problems of the technologies described above is as follows:
A kind of coke oven threeway bridge tube heat exchanger apparatus, it comprises vertical pipeline section and connects the horizontal pipeline section on vertical pipeline section, the lower end of vertical pipeline section is gas approach, upper end is coke cleaning hole, the end of horizontal pipeline section is provided with exhanst gas outlet, it is characterized in that: the inside of described vertical pipeline section is provided with heat exchange pipe box, heat exchange pipe box comprises heat exchange inner sleeve and heat exchange overcoat, the top of vertical pipeline section arranges the water inlet pipe mouth be communicated with heat exchange overcoat, the opposite side of bottom is provided with the effluent pipe mouth be communicated with heat exchange overcoat, guide plate stream is provided with at water inlet pipe mouth and effluent pipe mouth, the outer wall of described heat exchange overcoat is provided with insulating, the inwall of heat exchange inner sleeve is provided with heat conducting coating.
Further, described insulating is made up of high-temperature agglomerant, nanometer pyroceramic microballon, high temperature filler, additive.
Further, described heat conducting coating is made up of refractory powder, transition element oxide compound and zirconium white, silicate refractory materials.
The lower end of described vertical pipeline section is provided with gas approach point for measuring temperature interface, and the smoke outlet of described horizontal pipeline section is provided with exhanst gas outlet point for measuring temperature interface.
The beneficial effects of the utility model are:
1, the utility model is provided with heat-exchanger rig in threeway bridge tube, and high-temperature flue gas is through threeway bridge tube, and heat-exchanger rig can draw the heat in high temperature raw gas, improves the utilization ratio of the energy.
2, heat transfer tube cover of the present utility model is provided with one deck by form high temperature resistant of refractory powder, transition element oxide compound and zirconium white, silicate refractory materials etc. and the resistant to elevated temperatures heat conducting coating that heat conductivility is stronger, its effect is the high temperature corrosion preventing flue gas heat exchanger, high-temperature heat-conductive coating is directly brushed in interchanger inner wall surface, form the Ceramic glaze duricrust that one deck is hard, improve radiative transfer ability, significantly improve heat transfer effect, mechanical resistant is impacted and thermal shocking simultaneously.
3, water inlet pipe mouth of the present utility model and effluent pipe mouth are provided with flow deflector, and object is uniformly distributed into water and water outlet, thus ensure that the heat transferring medium of heat exchange pipe box keeps constant, can not cause heat exchange non-uniform phenomenon, affecting heat transfer effect because there is bias current.Inlet and outlet water becomes adverse current cross-exchange with flue gas flow direction simultaneously, enhances heat transfer effect.
4, the utility model is provided with the splendid heat insulation packing course of heat insulating effect; namely the heat insulation layer be made up of high-temperature agglomerant, nanometer pyroceramic microballon, various high temperature filler, additive is provided with at the outer wall of heat exchange overcoat; its role is to the heat of heat exchanger channels inside is unlikely to spread to rapidly outside; on the one hand outside temperature is effectively reduced; protection of the environment; make heat not outer loose on the other hand, ensure the sufficient heat exchange in internal heat passage.
5, the utility model is provided with gas approach point for measuring temperature interface in the lower end of described vertical pipeline section, the smoke outlet of described horizontal pipeline section is provided with exhanst gas outlet point for measuring temperature interface, for detecting the problem of flue gas, thus regulate flooding velocity and pressure, control heat transfer effect, thus prevent from causing smoke condensation phenomenon because temperature is too low, and increase coking and tar condensation phenomenon.And then ensure that coke oven normally runs.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing in Fig. 1;
In figure: 1 is gas approach, 2 is heat exchange inner sleeve, and 3 is flow deflector, 4 is heat exchange overcoat, and 5 is insulating, and 6 is horizontal pipeline section, 7 is water inlet pipe mouth, and 8 is vertical pipeline section, and 9 is effluent pipe mouth, 10 is ammoniacal liquor spray solarization hole, 11 is heat conducting coating, and 12 is gas approach point for measuring temperature interface, and 13 is exhanst gas outlet, 14 is exhanst gas outlet point for measuring temperature interface, and 15 is coke cleaning hole.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
A kind of coke oven threeway bridge tube heat exchanger apparatus as depicted in figs. 1 and 2, it horizontal pipeline section 6 comprising vertical pipeline section 8 and connect on vertical pipeline section 8, horizontal pipeline section is connected to the middle part of vertical pipeline section, the lower end of vertical pipeline section 8 is gas approach 12, upper end is coke cleaning hole 15, the coke cleaning hole arranged is convenient to user's heat exchanger device and is cleared up, improve the efficiency of heat exchange, be conducive to the recycling of waste heat, the end of horizontal pipeline section 6 is provided with exhanst gas outlet 13, the top of described horizontal pipeline section 6 is provided with ammoniacal liquor spray hole 10, the inside of described vertical pipeline section 8 is provided with heat exchange pipe box, heat exchange pipe box comprises heat exchange inner sleeve 2 and heat exchange overcoat 4, the top of vertical pipeline section 8 arranges the water inlet pipe mouth 7 be communicated with heat exchange overcoat 4, the opposite side of bottom is provided with the effluent pipe mouth 9 be communicated with heat exchange overcoat 4, guide plate stream is provided with at water inlet pipe mouth 7 and effluent pipe mouth 9, the outer wall of described heat exchange overcoat 4 is provided with insulating 5, the inwall of heat exchange inner sleeve 2 is provided with heat conducting coating 11.
Further, described insulating 5 is made up of high-temperature agglomerant, nanometer pyroceramic microballon, high temperature filler, additive.
Further, described heat conducting coating 11 is made up of refractory powder, transition element oxide compound and zirconium white, silicate refractory materials.
The lower end of described vertical pipeline section is provided with gas approach point for measuring temperature interface 12, and the smoke outlet of described horizontal pipeline section is provided with exhanst gas outlet point for measuring temperature interface 14.
The beneficial effects of the utility model are:
1, the utility model is provided with heat-exchanger rig in threeway bridge tube, and high-temperature flue gas is through threeway bridge tube, and heat-exchanger rig can draw the heat in high-temperature flue gas, improves the utilization ratio of the energy.
2, heat transfer tube cover of the present utility model is provided with one deck by form high temperature resistant of refractory powder, transition element oxide compound and zirconium white, silicate refractory materials etc. and the resistant to elevated temperatures heat conducting coating that heat conductivility is stronger, its effect is the high temperature corrosion preventing flue gas heat exchanger, high-temperature heat-conductive coating is directly brushed in interchanger inner wall surface, form the Ceramic glaze duricrust that one deck is hard, improve radiative transfer ability, significantly improve heat transfer effect, mechanical resistant is impacted and thermal shocking simultaneously.
3, water inlet pipe mouth of the present utility model and effluent pipe mouth are provided with flow deflector, and object is uniformly distributed into water and water outlet, thus ensure that the heat transferring medium of heat exchange pipe box keeps constant, can not cause heat exchange non-uniform phenomenon, affecting heat transfer effect because there is bias current.Inlet and outlet water becomes adverse current cross-exchange with flue gas flow direction simultaneously, enhances heat transfer effect.
4, the utility model is provided with the splendid heat insulation packing course of heat insulating effect; namely the heat insulation layer be made up of high-temperature agglomerant, nanometer pyroceramic microballon, various high temperature filler, additive is provided with at the outer wall of heat exchange overcoat; its role is to the heat of heat exchanger channels inside is unlikely to spread to rapidly outside; on the one hand outside temperature is effectively reduced; protection of the environment; make heat not outer loose on the other hand, ensure the sufficient heat exchange in internal heat passage.
5, the utility model is provided with gas approach point for measuring temperature interface in the lower end of described vertical pipeline section, the smoke outlet of described horizontal pipeline section is provided with exhanst gas outlet point for measuring temperature interface, for detecting the problem of flue gas, thus regulate flooding velocity and pressure, control heat transfer effect, thus prevent from causing smoke condensation phenomenon because temperature is too low, and increase coking and tar condensation phenomenon.And then ensure that coke oven normally runs.
Claims (2)
1. a coke oven threeway bridge tube heat exchanger apparatus, it comprises vertical pipeline section and connects the horizontal pipeline section on vertical pipeline section, the lower end of vertical pipeline section is gas approach, upper end is coke cleaning hole, the end of horizontal pipeline section is provided with exhanst gas outlet, it is characterized in that: the inside of described vertical pipeline section is provided with heat exchange pipe box, heat exchange pipe box comprises heat exchange inner sleeve and heat exchange overcoat, the top of vertical pipeline section arranges the water inlet pipe mouth be communicated with heat exchange overcoat, the opposite side of bottom is provided with the effluent pipe mouth be communicated with heat exchange overcoat, guide plate stream is provided with at water inlet pipe mouth and effluent pipe mouth, the outer wall of described heat exchange overcoat is provided with insulating, the inwall of heat exchange inner sleeve is provided with heat conducting coating.
2. a kind of coke oven threeway bridge tube heat exchanger apparatus according to claim 1, it is characterized in that: the lower end of described vertical pipeline section is provided with gas approach point for measuring temperature interface, the smoke outlet of described horizontal pipeline section is provided with exhanst gas outlet point for measuring temperature interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520175570.4U CN204607917U (en) | 2015-03-26 | 2015-03-26 | A kind of coke oven threeway bridge tube heat exchanger apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520175570.4U CN204607917U (en) | 2015-03-26 | 2015-03-26 | A kind of coke oven threeway bridge tube heat exchanger apparatus |
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| Publication Number | Publication Date |
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| CN204607917U true CN204607917U (en) | 2015-09-02 |
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| CN201520175570.4U Active CN204607917U (en) | 2015-03-26 | 2015-03-26 | A kind of coke oven threeway bridge tube heat exchanger apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104726110A (en) * | 2015-03-26 | 2015-06-24 | 常州江南冶金科技有限公司 | Coke oven three-way bridge pipeline heat exchanger device |
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2015
- 2015-03-26 CN CN201520175570.4U patent/CN204607917U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104726110A (en) * | 2015-03-26 | 2015-06-24 | 常州江南冶金科技有限公司 | Coke oven three-way bridge pipeline heat exchanger device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181101 Address after: 213000 No. 99 Hanjiang West Road, Xinbei District, Changzhou, Jiangsu Patentee after: The metallurgical Science and Technology Ltd. in the south of the River, Changzhou Address before: 213000 No. 99 Hanjiang West Road, Xinbei District, Changzhou, Jiangsu Co-patentee before: Han Pei Patentee before: The metallurgical Science and Technology Ltd. in the south of the River, Changzhou |