CN208733015U - A kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device - Google Patents
A kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device Download PDFInfo
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- CN208733015U CN208733015U CN201821538663.9U CN201821538663U CN208733015U CN 208733015 U CN208733015 U CN 208733015U CN 201821538663 U CN201821538663 U CN 201821538663U CN 208733015 U CN208733015 U CN 208733015U
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- coke oven
- tedge
- pedestal
- heat
- recovery device
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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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Abstract
The utility model provides a kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device, and innovative point is: the tedge is three-stage, respectively includes cylindrical rising heat exchange of heat pipe, tedge interlude and tedge pedestal；Connecting flange is equipped between the rising heat exchange of heat pipe, tedge interlude and tedge pedestal to be attached.The three-stage tedge long service life of the utility model, raw coke oven gas utilization rate of waste heat are high.In the present invention, the setting of tedge interlude mainly opens up various detection mouths, the various states of the convenient raw coke oven gas of observation in time, and the heat of coke oven is mainly carried out heat preservation thermal protection, avoids heat losses too fast by the setting of tedge pedestal, influences waste heat recycling.
Description
Technical field
The utility model relates to coke oven equipment technology more particularly to a kind of coke oven coke oven uprising tube raw coke oven gas waste heat recycling dresses
It sets.
Background technique
Currently, the great attention with coke-oven plant to resource recycling, the waste heat recycling of raw coke oven gas is to reduce coke oven energy
The waste heat recycling prior art of one of main path of consumption, raw coke oven gas is 650 DEG C~850 DEG C high temperature famine coals for escaping carbonization chamber
Gas enters gas collecting tube by rising heat exchange of heat pipe.Water jacket is studded with inside heat exchange of heat pipe because rising, and rises heat exchange of heat pipe inner wall
Need absolute waterproofness and integrality.We can not detect the coal gas state inside tedge and rise heat exchange of heat pipe inner wall feelings
Condition.
Chinese patent CN107746714A discloses a kind of spiral inner tube coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device,
Be characterized in that: including coke oven coke oven uprising tube evaporator, the rising pipe evaporator includes inner tube, is led to inside said inner tube for raw coke oven gas
Road；Said inner tube outer wall be equipped with heat-conducting plate, the heat-conducting plate be helical form boss, the heat-conducting plate from inner tube exterior bottom extremely
Inner tube outside top helically arranges, and thermal conductive water pipe is equipped between the heat-conducting plate, and the thermal conductive water pipe is from inner tube exterior bottom
It is helically arranged in inner tube outside top between the gap between screw that the heat-conducting plate is formed.The technical solution is according to the coke oven
Raw coke oven gas amount determines the rising pipe evaporator quantity of series operation in tedge, realizes that the waste heat of raw coke oven gas amount and the device recycles
The matching of ability.But the technical solution cost is relatively high, and existing tedge has following two: 1, tedge
Physical life is short.2, raw coke oven gas heat utilization ratio is low.
Chinese patent CN102977901A discloses a kind of Riser waste heat recovery device for coke oven, on the tube wall of tedge
It is provided with coiling heat exchanger tube.The method of tedge augmentation of heat transfer is that fin is arranged in the heat convection section in heat exchange tedge
Increase heat convection area, to increase the waste heat of recycling raw coke oven gas.The technical solution, which discloses, can effectively recycle raw coke oven gas
Waste heat, it is energy saving, have very important significance to energy-saving and emission-reduction.But the technical solution is based on the basis of tedge
Increase coiling heat exchanger tube, setting certainly exists connectivity problem between the two, while also resulting in tedge manufacturing cost and increasing
Add, service life is not grown.
Utility model content
To overcome manufacturing cost existing in the prior art increasing, service life is not grown, and raw coke oven gas heat utilization ratio is low
The problem of, the utility model provides a kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device.
The technical solution adopted in the utility model are as follows: a kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device, innovative point
Be: the tedge is three-stage, respectively includes cylindrical rising heat exchange of heat pipe, tedge interlude and tedge bottom
Seat；Connecting flange is equipped between the rising heat exchange of heat pipe, tedge interlude and tedge pedestal to be attached.
In some embodiments, the length ratio for rising heat exchange of heat pipe, tedge middle section and tedge pedestal is
6:2:2。
In some embodiments, the junction of the connecting flange is provided with ceramic fibre gasket；Gasket and company
It is sealed between acting flange using silicon carbide, cement, flux and curing agent.
In some embodiments, the tedge middle section is equipped with pressure detecting mouth, temperature detection mouth and observation panel；It is described
Pressure detecting mouth is apart from tedge pedestal 315mm；Angle between the pressure detecting mouth and tedge pedestal is 45 °.
In some embodiments, temperature detection mouth distance rises tube body pedestal 315mm；The temperature detection mouth and rising
Angle between tube bottom seat is 75 °.
In some embodiments, the observation panel is apart from tedge pedestal 270mm.
In some embodiments, the tedge base inner wall is mounted with refractory brick, tedge pedestal refractory brick surface
Coated with composite coating；The composite coating is composed of white fused alumina, mullite, wearable silicon nitride curing agent.
In some embodiments, the curing agent is any one of silicon phosphate, sodium base or lithium base curing agent.
In some embodiments, the tedge pedestal is provided with slanting baffle；The tilt angle of the slanting baffle is 45 °
Angle.
In some embodiments, the overall length 617mm of the tedge pedestal.
Compared with prior art, the utility model has the beneficial effects that
(1) the three-stage tedge long service life of the utility model, raw coke oven gas utilization rate of waste heat are high.In the utility model
In, the setting of tedge interlude mainly opens up various detection mouths, the various states of the convenient raw coke oven gas of observation in time, tedge
The heat of coke oven is mainly carried out heat preservation thermal protection by the setting of pedestal, avoids heat losses too fast, influences waste heat recycling.
(2) equal length in the utility model tedge middle section and tedge pedestal, and the length with rising heat exchange of heat pipe
For 1/3 relationship, primary concern is that, tedge pedestal can satisfy tedge interlude and rise holding for heat exchange of heat pipe
Weight demand can be conducive in addition, tedge interlude and tedge pedestal keep identical length while load-bearing range
Tedge interlude can not be accurate if tedge interlude is excessively high or excessively low to the monitoring for rising heat exchange of heat pipe
Observation heat exchanger heat exchange situation, be unfavorable for waste heat recycling play optimum efficiency.
(3) in the present invention, the angle and temperature being arranged between pressure detecting mouth and tedge pedestal are examined
The angle between mouth and tedge pedestal is surveyed, purpose is provided to preferably guarantee that pressure detecting mouth 5 and temperature detection mouth are smooth
Carry out detection data, the data that feed back of above three detection mouth being arranged by the utility model adjust tedge and change
Fluid flow in hot device makes rising heat exchange of heat pipe reach optimum Working.
(4) in the present invention, the setting distance of temperature detection mouth and the setting of pressure detecting mouth are apart from identical, mainly
Consider, can be tested by pressure detecting mouth at the identical temperature of same distance, or in the identical pressure of same distance
It is detected under power by temperature detection mouth, a variable can be stablized, the data fluctuations for being unlikely to detection are excessive, guarantee detection data
Authenticity and credibility.In short, in the present invention, setting detection mouth and observation panel are convenient for coal gas in observation tedge
Pressure and temperature can quickly know the state of coal gas in tedge, reach best effort effect, improve heat exchange efficiency.
(5) composite coating of the utility model setting, can satisfy the big calorimetric of coke oven generation using rear 7 surface of refractory brick
Impact, in addition, high temperature resistant degree reaches 2.5-2.8 times of 7 high temperature resistant temperature of prior art refractory brick.In addition, this is practical new
Type reduces the ingredient of mullite, while improving the ingredient of some white fused aluminas and wearable silicon nitride curing agent, because mullite
Source is than sparser, it is possible to reduce cost, while three's group is shaped to composite coating, and it is resistance to guarantee that coating plays outstanding high temperature resistant
Performance is ground, and composite coating and refractory brick have good consistency, have and produce widened value.
(6) in this embodiment of the utility model, the tedge pedestal 3 is provided with slanting baffle 71；The oblique gear
The tilt angle of plate 71 is 45° angle.The setting effect of slanting baffle 71 is mainly when refractory brick 7 sinks, and refractory brick 7 is along oblique gear
Plate sinks, and 71 stress of slanting baffle becomes smaller, and while extending the service life of slanting baffle 71, extend tedge pedestal 3 uses the longevity
Life, and then increase the service life of entire tedge.Tests prove that the waste-heat recovery device using the utility model can increase
The service life of feeder apparatus at least 1 year or more.
Detailed description of the invention
Fig. 1 is the utility model coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device overall structure diagram；
Fig. 2 is the top view of the utility model Fig. 1；
Fig. 3 is the structural schematic diagram of the utility model tedge pedestal；
Fig. 4 is the waste-heat recovery device top view of the utility model setting detection mouth；
Fig. 5 is the side view of the utility model setting pressure detecting mouth；
Fig. 6 is the side view of the utility model setting temperature detection mouth.
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be further described in detail.It should be appreciated that this place is retouched
The specific embodiment stated only to explain the utility model, is not used to limit the utility model.
The utility model discloses a kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device, innovative point is: such as Fig. 1,2
Shown: the tedge is three-stage, respectively includes cylindrical rising heat exchange of heat pipe 1, tedge interlude 2 and tedge bottom
Seat 3；Connecting flange is equipped between the rising heat exchange of heat pipe 1, tedge interlude 2 and tedge pedestal 3 to be attached.This
The three-stage tedge long service life of utility model, raw coke oven gas utilization rate of waste heat are high.In the present invention, among tedge
The setting of section 2 mainly opens up various detection mouths, and convenient observation in time rises the various states of heat exchange of heat pipe 1, tedge pedestal 3
Setting the heat of coke oven is mainly subjected to heat preservation thermal protection, avoid heat losses too fast, influence waste heat recycling.
As it is further preferred that in this embodiment of the utility model, the rising heat exchange of heat pipe 1, tedge
The length ratio of middle section 2 and tedge pedestal 3 is 6:2:2.In the present invention, the mentality of designing important as one, on
The equal length in riser middle section 2 and tedge pedestal 3, and the relationship for being 1/3 with the length for rising heat exchange of heat pipe 1, are mainly examined
Consider, tedge pedestal 3 can satisfy tedge interlude 2 and rise the load bearing demand of heat exchange of heat pipe 1, in addition, rising
Pipe interlude 2 and tedge pedestal 3 keep identical length, can be conducive to tedge interlude 2 while load-bearing range
Heat exchange can not accurately be observed if tedge interlude 2 is excessively high or excessively low to the monitoring for rising heat exchange of heat pipe 1
The heat exchange situation of device is unfavorable for waste heat recycling and plays optimum efficiency.It is described as a preferred embodiment of the utility model
The total length of tedge pedestal 3 is set as 617mm, which is conducive to have the preservation of good heat and waste heat while load-bearing
The effect of recycling.
In the present invention, rise heat exchange of heat pipe 1 and tedge interlude 2 and tedge interlude 2 to increase
The seal degree of connecting flange between tedge pedestal 3, the junction of the connecting flange are provided with ceramic fibre sealing
Pad (not shown)；The sealing performance for further increasing gasket, in this embodiment of the utility model, the sealing
It is sealed between pad and connecting flange using sealant, the sealant is made of silicon carbide, cement, flux and curing agent.
The flux is potassium hydroxide or borate, and the curing agent is p-hydroxybenzenyl sulfonate.
Specifically, as shown in Fig. 1,4,5,6: the tedge interlude 2 is set in this embodiment of the utility model
There are pressure detecting mouth 5, temperature detection mouth 6 and observation panel 4；Wherein, pressure detecting mouth 5 is for rising coal gas pressure in heat exchange of heat pipe 1
Power detection, distance 315mm of the pressure detecting mouth 5 apart from tedge pedestal 3；The pressure detecting mouth 5 and tedge pedestal 3
Between angle be 45 °.Wherein, temperature detection mouth 6 rises gas temperature detection in heat exchange of heat pipe 1 for detecting.Temperature detection
Distance 315mm of the mouth 6 apart from tedge pedestal 3；Angle between the temperature detection mouth 6 and tedge pedestal 3 is 75 °.Institute
The observation panel 4 for stating setting is used to observe the interior change for rising heat exchange of heat pipe 1.In the present invention, pressure detecting mouth 5 is set
The angle between angle and temperature detection mouth 6 and tedge pedestal 3 between tedge pedestal 3, purpose be all for
Better guarantee pressure detecting mouth 5 smoothly carries out detection data with temperature detection mouth 6, pass through the utility model be arranged it is upper
The data that three detection mouths are fed back are stated, adjusts and rises fluid flow in heat exchange of heat pipe 1, reach rising heat exchange of heat pipe 1 most
Good working condition.As it is further preferred that in the present invention, distance of the observation panel 4 apart from tedge pedestal 3
270mm.In this embodiment of the utility model, the setting distance and the setting distance of pressure detecting mouth 5 of temperature detection mouth 6
It is identical, primary concern is that, can be tested by pressure detecting mouth 5 at the identical temperature of same distance, or it is identical away from
From uniform pressure under by temperature detection mouth 6 detect, a variable can be stablized, be unlikely to detection data fluctuations it is excessive,
Guarantee the authenticity and credibility of detection data.In short, in the present invention, setting detection mouth and observation panel 4 are convenient for observation
The pressure and temperature of coal gas in tedge can quickly know the state of coal gas in tedge, reach best effort effect, improve
Heat exchange efficiency.
As it is further preferred that in this embodiment of the utility model, as shown in Figure 3: the tedge pedestal 3
Inner wall is also mounted refractory brick 7, and the purpose of setting refractory brick 7 is to maintain the heat-resisting quantity of inner wall, as shown in Figure 3: in order into one
Step improves the performance of the corrosion-and high-temp-resistant of tedge pedestal 3, in the present invention, 7 surface of refractory brick of tedge pedestal 3
Coated with composite coating；The composite coating is composed of white fused alumina, mullite, wearable silicon nitride curing agent.As into
One step is preferred, and composite coating is to be followed successively by 3:0.5:2 by ratio between white fused alumina, mullite, wearable silicon nitride curing agent
It is composed.For the composite coating of the utility model setting, it can satisfy a large amount of of coke oven generation using rear 7 surface of refractory brick
The impact of heat, in addition, high temperature resistant degree reaches 2.5-2.8 times of 7 high temperature resistant temperature of prior art refractory brick.In addition, this is practical
The ingredient of novel reduction mullite, while the ingredient of some white fused aluminas and wearable silicon nitride curing agent is improved, because of mullite
Source than sparser, it is possible to reduce cost, while three's group is shaped to composite coating, guarantees that coating plays outstanding high temperature resistant
Wear-resisting property, and composite coating and refractory brick have good consistency, have and produce widened value.As further preferred
, in this embodiment of the utility model, the wearable silicon nitride curing agent is silicon phosphate, sodium base or lithium base curing agent
Any one.
As it is further preferred that the tedge pedestal 3 is provided with oblique gear in this embodiment of the utility model
Plate 71；The tilt angle of the slanting baffle 71 is 45° angle.The setting of slanting baffle 71 acts on mainly when refractory brick 7 sinks, resistance to
Firebrick 7 sinks along slanting baffle, and 71 stress of slanting baffle becomes smaller, and while extending the service life of slanting baffle 71, extends tedge
The service life of pedestal 3, and then increase the service life of entire tedge.Tests prove that using the waste heat of the utility model
Recyclable device can increase service life at least 1 year or more of device.
By above-mentioned change, the utility model three-stage has following performance compared with the two-period form of the prior art:
| Comparison project | Three-stage | Two-period form |
| Equipment life | 8 years | 5 years |
| Heat exchange efficiency | 36% | 25% |
By above-mentioned change, there is following performance compared with without using the product using the product:
| Comparison project | It uses | It is not used |
| Gas pressure data | Pressure detecting | It can not achieve |
| Gas temperature data | Temperature detection | It can not achieve |
| Rise inside pipe wall observation | Inner wall observation | It can not achieve |
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The preferred embodiment of the utility model has shown and described in above description, as previously described, it should be understood that this is practical new
Type is not limited to forms disclosed herein, and should not be regarded as an exclusion of other examples, and can be used for various other groups
Conjunction, modification and environment, and above-mentioned introduction or the technology of related fields can be passed through within the scope of the inventive concept described herein
Or knowledge is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, then
It all should be in the protection scope of the appended claims for the utility model.
Claims (9)
1. a kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device, it is characterised in that: the tedge is three-stage, is respectively included
Cylindrical rising heat exchange of heat pipe (1), tedge interlude (2) and tedge pedestal (3)；The rising heat exchange of heat pipe (1), on
Connecting flange is equipped between riser interlude (2) and tedge pedestal (3) to be attached.
2. coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device according to claim 1, it is characterised in that: the tedge changes
The length ratio of hot device (1), tedge middle section (2) and tedge pedestal (3) is 6:2:2.
3. coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device according to claim 1 or 2, it is characterised in that: the connection
The junction of flange is provided with ceramic fibre gasket；It is sealed between ceramic fibre gasket and connecting flange using sealant.
4. coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device according to claim 1, it is characterised in that: in the tedge
Between section (2) be equipped with pressure detecting mouth (5), temperature detection mouth (6) and observation panel (4)；The pressure detecting mouth (5) is apart from tedge
The distance of pedestal (3) is 315mm；Angle between the pressure detecting mouth (5) and tedge pedestal (3) is 45 °.
5. coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device according to claim 4, it is characterised in that: temperature detection mouth
(6) distance apart from tedge pedestal (3) is 315mm；Angle between the temperature detection mouth (6) and tedge pedestal (3)
It is 75 °.
6. coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device according to claim 5, it is characterised in that: the observation panel
(4) distance apart from tedge pedestal (3) is 270mm.
7. coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device according to claim 1, it is characterised in that: the tedge bottom
Seat (3) inner wall is mounted with refractory brick (7) that tedge pedestal (3) refractory brick (7) surface is coated with composite coating.
8. coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device according to claim 1, it is characterised in that: the tedge bottom
Seat (3) is additionally provided with slanting baffle (71)；The tilt angle of the slanting baffle (71) is 45° angle.
9. coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device according to claim 1, it is characterised in that: the tedge bottom
The overall length 617mm of seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821538663.9U CN208733015U (en) | 2018-09-19 | 2018-09-19 | A kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821538663.9U CN208733015U (en) | 2018-09-19 | 2018-09-19 | A kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device |
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| Publication Number | Publication Date |
|---|---|
| CN208733015U true CN208733015U (en) | 2019-04-12 |
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ID=66035030
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821538663.9U Active CN208733015U (en) | 2018-09-19 | 2018-09-19 | A kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108893125A (en) * | 2018-09-19 | 2018-11-27 | 武汉方特工业设备技术有限公司 | A kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device |
| CN110763073A (en) * | 2019-11-05 | 2020-02-07 | 山东钢铁集团日照有限公司 | Method for solving uneven heat exchange of water jacket type vertical pipe heat exchanger |
-
2018
- 2018-09-19 CN CN201821538663.9U patent/CN208733015U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108893125A (en) * | 2018-09-19 | 2018-11-27 | 武汉方特工业设备技术有限公司 | A kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device |
| CN110763073A (en) * | 2019-11-05 | 2020-02-07 | 山东钢铁集团日照有限公司 | Method for solving uneven heat exchange of water jacket type vertical pipe heat exchanger |
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