CN108893125A - 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
- Publication number
- CN108893125A CN108893125A CN201811094237.5A CN201811094237A CN108893125A CN 108893125 A CN108893125 A CN 108893125A CN 201811094237 A CN201811094237 A CN 201811094237A CN 108893125 A CN108893125 A CN 108893125A
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- China
- Prior art keywords
- coke oven
- tedge
- pedestal
- heat
- recovery device
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- 239000000571 coke Substances 0.000 title claims abstract description 81
- 239000007789 gas Substances 0.000 title claims abstract description 38
- 239000002918 waste heat Substances 0.000 title claims abstract description 37
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 230000000630 rising effect Effects 0.000 claims abstract description 21
- 239000011449 brick Substances 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 10
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 7
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 7
- 229910052863 mullite Inorganic materials 0.000 claims description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- XLUBVTJUEUUZMR-UHFFFAOYSA-B silicon(4+);tetraphosphate Chemical compound [Si+4].[Si+4].[Si+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XLUBVTJUEUUZMR-UHFFFAOYSA-B 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 238000003763 carbonization Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000010422 painting Methods 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 10
- 238000004321 preservation Methods 0.000 abstract description 3
- 239000003034 coal gas Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- FEPBITJSIHRMRT-UHFFFAOYSA-N 4-hydroxybenzenesulfonic acid Chemical group OC1=CC=C(S(O)(=O)=O)C=C1 FEPBITJSIHRMRT-UHFFFAOYSA-N 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0075—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for syngas or cracked gas cooling systems
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The present invention provides a kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device, 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.Three-stage tedge long service life of the invention, 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 present invention relates to coke oven equipment technology more particularly to a kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery devices.
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,
It is 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.
Summary of the invention
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 present invention provides a kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery devices.
The technical solution adopted by the present invention is：A kind of coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device, innovative point are：
The tedge is three-stage, respectively includes cylindrical rising heat exchange of heat pipe, tedge interlude and tedge pedestal；It is described
Connecting flange is equipped between 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 beneficial effects of the invention are as follows：
(1) three-stage tedge long service life of the invention, raw coke oven gas utilization rate of waste heat are high.In the present invention, rise
The setting of pipe interlude mainly opens up various detection mouths, and convenient observation in time rises the various states of heat exchange of heat pipe, 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 tedge middle section and tedge pedestal of the present invention, and be 1/3 with the length for rising heat exchange of heat pipe
Relationship, primary concern is that, tedge pedestal can satisfy tedge interlude and rise heat exchange of heat pipe load-bearing need
It asks, in addition, tedge interlude and tedge pedestal keep identical length, can be conducive to rise while load-bearing range
Pipe interlude can not accurately see the monitoring for rising heat exchange of heat pipe if tedge interlude is excessively high or excessively low
The heat exchange situation for examining heat exchanger is unfavorable for waste heat recycling and plays optimum efficiency.
(3) in the present invention, angle and temperature detection mouth between pressure detecting mouth and tedge pedestal are set
With the angle between tedge pedestal, purpose be provided to preferably to guarantee pressure detecting mouth 5 and temperature detection mouth smoothly into
Row detection data, the data that the above three detection mouth being arranged through the invention is fed back adjust and rise liquid in heat exchange of heat pipe
Body flow makes rising heat exchange of heat pipe reach optimum Working.
(4) in the present invention, the setting distance of temperature detection mouth is with the setting of pressure detecting mouth apart from identical, main consideration
, can be tested by pressure detecting mouth at the identical temperature of same distance, or under the uniform pressure of same distance
It is detected by temperature detection mouth, a variable can be stablized, the data fluctuations for being unlikely to detection are excessive, guarantee the true of detection data
Reality and credibility.In short, in the present invention, setting detection mouth and observation panel are convenient for observing the pressure and temperature of coal gas in tedge
Degree, can quickly know the state of coal gas in tedge, reach best effort effect, improve heat exchange efficiency.
(5) composite coating that the present invention is arranged can satisfy rushing for the big calorimetric of coke oven generation using rear 7 surface of refractory brick
It hits, 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, the present invention is reduced not
Carry out the ingredient of stone, while improving the ingredient of some white fused aluminas and wearable silicon nitride curing agent, because the source of mullite is compared
It is rare, it is possible to reduce cost, while three's group is shaped to composite coating, guarantees that coating plays outstanding heat resistant and wear resistant performance,
And composite coating and refractory brick have good consistency, have and produce widened value.
(6) in this embodiment of the invention, the tedge pedestal 3 is provided with slanting baffle 71；The slanting baffle 71
Tilt angle be 45° angle.The setting effect of slanting baffle 71 is mainly when refractory brick 7 sinks, and refractory brick 7 is along under slanting baffle
Heavy, 71 stress of slanting baffle becomes smaller, and while extending the service life of slanting baffle 71, extends the service life of tedge pedestal 3, into
And increase the service life of entire tedge.Tests prove that device can be increased using waste-heat recovery device of the invention
Service life at least 1 year or more.
Detailed description of the invention
Fig. 1 is coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device overall structure diagram of the present invention；
Fig. 2 is the top view of Fig. 1 of the present invention；
Fig. 3 is the structural schematic diagram of tedge pedestal of the present invention；
Fig. 4 is the waste-heat recovery device top view of present invention setting detection mouth；
Fig. 5 is the side view of present invention setting pressure detecting mouth；
Fig. 6 is the side view of present invention setting temperature detection mouth.
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
The invention 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 institutes
Show：The tedge is three-stage, respectively includes cylindrical rising heat exchange of heat pipe 1, tedge interlude 2 and tedge pedestal
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 hair
Bright three-stage tedge long service life, raw coke oven gas utilization rate of waste heat are high.In the present invention, the setting of tedge interlude 2
Various detection mouths are mainly opened up, convenient observation in time rises the various states of heat exchange of heat pipe 1, the setting master of tedge pedestal 3
If the heat of coke oven is carried out heat preservation thermal protection, avoid heat losses too fast, influences waste heat recycling.
As it is further preferred that in this embodiment of the invention, the rising heat exchange of heat pipe 1, tedge middle section 2
Length ratio with tedge pedestal 3 is 6:2:2.In the present invention, the mentality of designing important as one, tedge middle section 2
With the equal length of tedge pedestal 3, and with rise heat exchange of heat pipe 1 length be 1/3 relationship, primary concern is that, on
Riser pedestal 3 can satisfy tedge interlude 2 and rise the load bearing demand of heat exchange of heat pipe 1, in addition, tedge interlude 2
Identical length is kept with tedge pedestal 3, tedge interlude 2 can be conducive to while load-bearing range and tedge is changed
The monitoring of hot device 1 can not accurately observe the heat exchange feelings of heat exchanger if tedge interlude 2 is excessively high or excessively low
Condition is unfavorable for waste heat recycling and plays optimum efficiency.As a preferred embodiment of the present invention, the tedge pedestal 3
Total length is set as 617mm, which is conducive to have the function of that good heat saves and waste heat recycles while load-bearing.
In the present invention, in order to increase rise heat exchange of heat pipe 1 and tedge interlude 2 and tedge interlude 2 with it is upper
The seal degree of connecting flange between riser pedestal 3, the junction of the connecting flange are provided with ceramic fibre gasket (figure
In be not shown)；The sealing performance for further increasing gasket, in this embodiment of the invention, the gasket with connect
It is sealed between flange using sealant, the sealant is made of silicon carbide, cement, flux and curing agent.The flux
For potassium hydroxide or borate, the curing agent is p-hydroxybenzenyl sulfonate.
Specifically, in this embodiment of the invention, as shown in Fig. 1,4,5,6：The tedge interlude 2 is equipped with pressure
Power detection mouth 5, temperature detection mouth 6 and observation panel 4；Wherein, pressure detecting mouth 5 is examined for rising gas pressure in heat exchange of heat pipe 1
It surveys, distance 315mm of the pressure detecting mouth 5 apart from tedge pedestal 3；Between the pressure detecting mouth 5 and tedge pedestal 3
Angle be 45 °.Wherein, temperature detection mouth 6 rises gas temperature detection in heat exchange of heat pipe 1 for detecting.Temperature detection mouth 6 away from
From 3 distance 315mm of tedge pedestal；Angle between the temperature detection mouth 6 and tedge pedestal 3 is 75 °.The setting
Observation panel 4 be used for observe rising heat exchange of heat pipe 1 interior change.In the present invention, setting pressure detecting mouth 5 and tedge bottom
The angle between angle and temperature detection mouth 6 and tedge pedestal 3 between seat 3, purpose are provided to preferably protect
Card pressure detecting mouth 5 and temperature detection mouth 6 smoothly carry out detection data, and the above three detection mouth being arranged through the invention is anti-
The data come are fed back to, adjusts and rises fluid flow in heat exchange of heat pipe 1, rising heat exchange of heat pipe 1 is made to reach optimum Working.As
It is further preferred that in the present invention, distance 270mm of the observation panel 4 apart from tedge pedestal 3.In this reality of the invention
Apply in mode, the setting distance of temperature detection mouth 6 and the setting of pressure detecting mouth 5 apart from identical, primary concern is that, identical
It can be tested by pressure detecting mouth 5 at the identical temperature of distance, or be examined under the uniform pressure of same distance by temperature
Survey mouth 6 detect, a variable can be stablized, be unlikely to detection data fluctuations it is excessive, guarantee detection data authenticity and can
Letter property.In short, in the present invention, setting detection mouth and observation panel 4, can be with convenient for the pressure and temperature of coal gas in observation tedge
The state for quickly knowing coal gas in tedge reaches best effort effect, improves heat exchange efficiency.
As it is further preferred that in this embodiment of the invention, as shown in Figure 3：3 inner wall of tedge pedestal
Refractory brick 7 is also mounted, the purpose of setting refractory brick 7 is to maintain the heat-resisting quantity of inner wall, as shown in Figure 3：In order to further mention
The performance of the corrosion-and high-temp-resistant of high tedge pedestal 3, in the present invention, 7 surface of refractory brick of tedge pedestal 3 are coated with multiple
Close coating；The composite coating is composed of white fused alumina, mullite, wearable silicon nitride curing agent.As further preferred
, composite coating is to be followed successively by 3 by ratio between white fused alumina, mullite, wearable silicon nitride curing agent:0.5:2 are composed.
For the composite coating that the present invention is arranged, the impact of the big calorimetric of coke oven generation can satisfy using rear 7 surface of refractory brick, this
Outside, high temperature resistant degree reaches 2.5-2.8 times of 7 high temperature resistant temperature of prior art refractory brick.In addition, the present invention reduces mullite
Ingredient, while improving the ingredient of some white fused aluminas and wearable silicon nitride curing agent can because the source of mullite is than sparser
To reduce cost, while three's group is shaped to composite coating, guarantees that coating plays outstanding heat resistant and wear resistant performance, and compound painting
Layer and refractory brick have good consistency, have and produce widened value.As it is further preferred that in this reality of the invention
It applies in mode, the wearable silicon nitride curing agent is any one of silicon phosphate, sodium base or lithium base curing agent.
As it is further preferred that the tedge pedestal 3 is provided with slanting baffle in this embodiment of the invention
71；The tilt angle of the slanting baffle 71 is 45° angle.The setting effect of slanting baffle 71 is mainly the fire resisting when refractory brick 7 sinks
Brick 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 bottom
The service life of seat 3, and then increase the service life of entire tedge.Tests prove that recycling dress using waste heat of the invention
Set service life at least 1 year or more for can increasing device.
By above-mentioned change, three-stage of the present invention 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 is to be understood that, term " coaxial ", " bottom ", " one end ", " top ", " middle part ",
The orientation or positional relationship of the instructions such as " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
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 with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and
Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of protection of the claims.
Claims (10)
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；
The sealant includes silicon carbide, cement, flux and curing agent.
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；The compound painting
Layer is composed of white fused alumina, mullite, wearable silicon nitride curing agent.
8. coke oven coke oven uprising tube raw coke oven gas waste-heat recovery device according to claim 7, it is characterised in that：The wear-resisting carbonization
Silicon curing agent is any one of silicon phosphate, sodium base or lithium base curing agent.
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
Seat (3) is provided with slanting baffle (71)；The tilt angle of the slanting baffle (71) is 45° angle.
10. 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
The overall length 617mm of pedestal (3).
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| CN201811094237.5A CN108893125A (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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| CN201811094237.5A CN108893125A (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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