CN107008635A - The coating process and equipment of solid dielectric layer in a kind of coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger - Google Patents
The coating process and equipment of solid dielectric layer in a kind of coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger Download PDFInfo
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- CN107008635A CN107008635A CN201710318770.4A CN201710318770A CN107008635A CN 107008635 A CN107008635 A CN 107008635A CN 201710318770 A CN201710318770 A CN 201710318770A CN 107008635 A CN107008635 A CN 107008635A
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- 239000000571 coke Substances 0.000 title claims abstract description 68
- 239000007787 solid Substances 0.000 title claims abstract description 51
- 238000011084 recovery Methods 0.000 title claims abstract description 19
- 238000000576 coating method Methods 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003292 glue Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000006229 carbon black Substances 0.000 claims description 6
- 239000010453 quartz Substances 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 229910052895 riebeckite Inorganic materials 0.000 claims description 5
- 235000013312 flour Nutrition 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 3
- 238000010422 painting Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000002105 nanoparticle Substances 0.000 description 6
- 241000233855 Orchidaceae Species 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000005439 thermosphere Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2601/00—Inorganic fillers
- B05D2601/20—Inorganic fillers used for non-pigmentation effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2601/00—Inorganic fillers
- B05D2601/20—Inorganic fillers used for non-pigmentation effect
- B05D2601/28—Metals
-
- 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
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The coating process of solid dielectric layer, comprises the following steps in a kind of coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger that the present invention is provided：The solid powder of high thermal conductivity and high temperature resistant glue are mixed, wet feed is obtained；The filling flexible heat-insulation layer on outer drum layer madial wall；Inner drum layer is installed on lower flange, heat exchange coil is installed outside inner drum layer, then inwall has been filled with the outer drum layer of flexible heat-insulating layer on set outside heat exchange coil, reconnects flange；Wet feed is sprayed into the space between outer drum layer, inner drum layer；The moisture in wet feed is discharged from the gap of sender property outlet pipeline and outer drum layer using the hot water being passed through in heat exchange coil.This method technique is simple, with low cost, on the one hand by selecting specific solid powder and glue to ensure that the heat exchange efficiency and coating quality of solid dielectric layer, on the one hand painting cost is greatly reduced by using the natural vibration of forcing press bleed pipe, using part drying intrinsic in coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger, it is ensured that coating quality.
Description
Technical field
The invention belongs to field of electrical equipment, consolidate in more particularly to a kind of coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger
The coating process of body dielectric layer.
Background technology
Coke oven can do high-temperature retorting processing to coal, be efficiently converted to coke, coke-stove gas, coal tar, crude benzol
It is efficient energy conversion kiln Deng product.Hanker in coke oven expenditure, the heat of taking out of of 650 DEG C of -700 DEG C of raw coke oven gas accounts for 36%,
It is worth with high recycling.
Coke oven coke oven uprising tube raw coke oven gas waste heat recovery takes the structure of thermal, in overall point, in, outer three layers of basic structure.It is interior
Layer is high temperature resistant, the cylinder of corrosion resistant steel alloy material, and raw coke oven gas flows through from bottom to top in cylinder.Centre is core heat transfer
Layer, the outer wall of inner cylinder is closely attached to high heat conduction ability, certain thickness high temperature resistant solid dielectric layer, and heat-transfer pipe is passed through
Solid dielectric layer, and be in close contact with solid dielectric layer, what is flowed through in heat-transfer pipe is to take thermal medium, and it inhales in flow process
The thermal discharge of raw coke oven gas in inner cylinder is received, temperature is raised in flow process from bottom to top.Heat-transfer pipe or spiral are spiraled
In the solid dielectric, or solid dielectric layer is uprightly arranged in from bottom to top, solid dielectric layer need to cover whole heat-transfer pipe
Outer surface；Outer layer is heat insulation protecting layer, and metal material cylinder posts insulation material on internal face, and inner cylinder and intercooler core are passed
Thermosphere plays a part of being incubated and protected, and reduces heat loss, is not hit.For example, see Fig. 1, coke oven coke oven uprising tube raw coke oven gas waste heat
Reclaim take thermal to include heat exchange coil 4 and the inwall filling flexible heat-insulation layer 5 set gradually from outer to inner outer drum layer 1, in
Between dielectric layer 2, inner drum layer 3；Heat exchange coil 4 is fixed in middle dielectric layer 2, and its bottom is that working medium entrances pipeline 41, top are
Sender property outlet pipeline 42.As can be seen here, internal layer solid dielectric layer itself property and solid dielectric layer coating quality for
The performance impact of coke oven coke oven uprising tube is very big.The application of usual solid dielectric layer is formed using directly filling between ectonexine,
Application is uneven, quality is unstable, causes tedge to take the quality of thermal not good, either service life or heat transfer efficiency
It is difficult to ensure that.
The content of the invention
Technical problem：In order to solve the defect of prior art, the invention provides a kind of coke oven coke oven uprising tube raw coke oven gas
The coating process of solid dielectric layer in heat recovery heat exchanger.
Technical scheme：Solid dielectric layer in a kind of coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger that the present invention is provided
Coating process, comprises the following steps：
(1.1) solid powder of high thermal conductivity and high temperature resistant glue are mixed, obtains wet feed；
(1.2) the filling flexible heat-insulation layer on outer drum layer madial wall；Inner drum layer is installed on lower flange, pacified outside inner drum layer
Heat exchange coil is filled, then inwall has been filled with the outer drum layer of flexible heat-insulating layer on set outside heat exchange coil, reconnects flange, heat exchange
Working medium entrances pipeline, the sender property outlet pipeline of coil pipe are stretched out outside outer drum layer respectively, welding working medium inlet duct and outer drum layer；
(1.3) wet feed is added in the pressure vessel of forcing press, the bleed pipe of forcing press is inserted to the working medium of heat exchange coil
In the gap of outlet conduit and outer drum layer, the pressue device of Opening pressure machine, the space that wet feed is sprayed between outer drum layer, inner drum layer
Interior, bleed pipe has effect of vibration while wet feed is sprayed into, and wet feed is packed under pressure and the synergy of vibration outer
In space between cylinder layer, inner drum layer, bleed pipe is removed；
(1.4) hot water is passed through into heat exchange coil, hot water enters from working medium entrances pipeline, gone out from sender property outlet pipeline, utilized
The hot water being passed through in heat exchange coil discharges the moisture in wet feed from the gap of sender property outlet pipeline and outer drum layer, is passed through hot water extremely
The gap no moisture of sender property outlet pipeline and outer drum layer is discharged, you can.
In step (1.1), the solid powder of the high thermal conductivity includes 50-75 parts of micron graphite powder, copper nanoparticle 15-
25 parts, 1-3 parts of μ-nickel powder, 1-3 parts of micron iron powder, 1-3 parts of micron aluminium powder, 1-3 parts of micron silica flour, 0.5-1.5 parts of carbon black, stone
0.5-1.5 parts of cotton, 0.5-1.5 parts of quartz, wherein, μ-nickel powder, micron iron powder, micron aluminium powder, the total amount of micron silica flour are 6-
10 parts, in parts by weight；The high temperature resistant glue is the high strength structural adhesion of more than 900 DEG C of heatproof；The high thermal conductivity
The mass ratio of solid powder and high temperature resistant glue is (3-5)：1.
In step (1.4), hot water temperature is 75-85 DEG C, and hot water flow is 3-5m3/h。
Present invention also offers a kind of painting for solid dielectric layer in coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger
The forcing press of dress, including pressue device, pressure vessel and the bleed pipe being sequentially connected.
Beneficial effect：The coating process technique that the present invention is provided is simple, with low cost, on the one hand specific solid by selection
Body powder and glue ensure that the heat exchange efficiency and coating quality of solid dielectric layer, on the other hand by using forcing press bleed pipe
Natural vibration, greatly reduce painting using intrinsic part drying in coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger and dress up
This, it is ensured that coating quality.
Brief description of the drawings
Fig. 1 is the structural representation that coke oven coke oven uprising tube raw coke oven gas waste heat recovery takes thermal.
Fig. 2 is the structural representation of forcing press.
Embodiment
The present invention is further illustrated below.
Embodiment 1
For the forcing press of the application of solid dielectric layer in coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger, including successively
Pressue device 101, pressure vessel 102 and the bleed pipe 103 of connection.
Embodiment 2
The coating process of solid dielectric layer, comprises the following steps in coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger：
(1.1) solid powder of high thermal conductivity and high temperature resistant glue are mixed, obtains wet feed；The solid powder of high thermal conductivity
End includes 65 parts of micron graphite powder, 20 parts of copper nanoparticle, 2 parts of 2 part, micron iron powder of μ-nickel powder, 2 part, micron aluminium powder, micron silicon
2 parts of powder, 1 part of carbon black, 1 part of asbestos, 1 part of quartz, in parts by weight；High temperature resistant glue is the high intensity knot of more than 900 DEG C of heatproof
Structure glue；The solid powder of high thermal conductivity and the mass ratio of high temperature resistant glue are 4：1；
(1.2) the filling flexible heat-insulation layer 5 on the madial wall of outer drum layer 1；Inner drum layer 3 is installed on lower flange 6, in inner drum layer
3 outer installation heat exchange coils 4, then inwall has been filled with the outer drum layer 1 of flexible heat-insulating layer 5 on the outer set of heat exchange coil 4, reconnects method
Orchid 7, working medium entrances pipeline 41, the sender property outlet pipeline 42 of heat exchange coil 4 are stretched out outside outer drum layer 1 respectively, weld working medium inlet tube
Road 41 and outer drum layer 1；
(1.3) wet feed is added in the pressure vessel 102 of forcing press, the bleed pipe 103 of forcing press is inserted into heat exchange coil 4
Sender property outlet pipeline 42 and outer drum layer 1 gap in, the pressue device 101 of Opening pressure machine, wet feed sprays into outer drum layer 1, interior
In space between cylinder layer 3, bleed pipe 103 has effect of vibration while wet feed is sprayed into, by wet feed in pressure and vibration
It is packed under synergy in the space between outer drum layer 1, inner drum layer 3, removes bleed pipe 103；
(1.4) 80 DEG C of hot water is passed through into heat exchange coil 4, hot water flow is 4m3/ h, hot water is from working medium entrances pipeline 41
Enter, go out from sender property outlet pipeline 42, using the hot water being passed through in heat exchange coil 4 by the moisture in wet feed from sender property outlet pipeline 42
Discharged with the gap of outer drum layer 1, be passed through hot water to the gap no moisture of sender property outlet pipeline 42 and outer drum layer 1 and discharge, you can.
Embodiment 3
The coating process of solid dielectric layer, comprises the following steps in coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger：
(1.1) solid powder of high thermal conductivity and high temperature resistant glue are mixed, obtains wet feed；The solid powder of high thermal conductivity
End includes 50 parts of micron graphite powder, 25 parts of copper nanoparticle, 1 part of 1 part, micron iron powder of μ-nickel powder, 1 part, micron aluminium powder, micron silicon
3 parts of powder, 0.5 part of carbon black, 1.5 parts of asbestos, 0.5 part of quartz, in parts by weight；High temperature resistant glue is the height of more than 900 DEG C of heatproof
Strength structure glue；The solid powder of high thermal conductivity and the mass ratio of high temperature resistant glue are 3：1；
(1.2) the filling flexible heat-insulation layer 5 on the madial wall of outer drum layer 1；Inner drum layer 3 is installed on lower flange 6, in inner drum layer
3 outer installation heat exchange coils 4, then inwall has been filled with the outer drum layer 1 of flexible heat-insulating layer 5 on the outer set of heat exchange coil 4, reconnects method
Orchid 7, working medium entrances pipeline 41, the sender property outlet pipeline 42 of heat exchange coil 4 are stretched out outside outer drum layer 1 respectively, weld working medium inlet tube
Road 41 and outer drum layer 1；
(1.3) wet feed is added in the pressure vessel 102 of forcing press, the bleed pipe 103 of forcing press is inserted into heat exchange coil 4
Sender property outlet pipeline 42 and outer drum layer 1 gap in, the pressue device 101 of Opening pressure machine, wet feed sprays into outer drum layer 1, interior
In space between cylinder layer 3, bleed pipe 103 has effect of vibration while wet feed is sprayed into, by wet feed in pressure and vibration
It is packed under synergy in the space between outer drum layer 1, inner drum layer 3, removes bleed pipe 103；
(1.4) 75 DEG C of hot water is passed through into heat exchange coil 4, hot water flow is 5m3/ h, hot water is from working medium entrances pipeline 41
Enter, go out from sender property outlet pipeline 42, using the hot water being passed through in heat exchange coil 4 by the moisture in wet feed from sender property outlet pipeline 42
Discharged with the gap of outer drum layer 1, be passed through hot water to the gap no moisture of sender property outlet pipeline 42 and outer drum layer 1 and discharge, you can.
Embodiment 4
The coating process of solid dielectric layer, comprises the following steps in coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger：
(1.1) solid powder of high thermal conductivity and high temperature resistant glue are mixed, obtains wet feed；The solid powder of high thermal conductivity
End includes 75 parts of micron graphite powder, 15 parts of copper nanoparticle, 3 parts of 3 part, micron iron powder of μ-nickel powder, 3 part, micron aluminium powder, micron silicon
1 part of powder, 1.5 parts of carbon black, 0.5 part of asbestos, 1.5 parts of quartz；High temperature resistant glue is the high strength structural adhesion of more than 900 DEG C of heatproof；
The solid powder of high thermal conductivity and the mass ratio of high temperature resistant glue are 5：1；
(1.2) the filling flexible heat-insulation layer 5 on the madial wall of outer drum layer 1；Inner drum layer 3 is installed on lower flange 6, in inner drum layer
3 outer installation heat exchange coils 4, then inwall has been filled with the outer drum layer 1 of flexible heat-insulating layer 5 on the outer set of heat exchange coil 4, reconnects method
Orchid 7, working medium entrances pipeline 41, the sender property outlet pipeline 42 of heat exchange coil 4 are stretched out outside outer drum layer 1 respectively, weld working medium inlet tube
Road 41 and outer drum layer 1；
(1.3) wet feed is added in the pressure vessel 102 of forcing press, the bleed pipe 103 of forcing press is inserted into heat exchange coil 4
Sender property outlet pipeline 42 and outer drum layer 1 gap in, the pressue device 101 of Opening pressure machine, wet feed sprays into outer drum layer 1, interior
In space between cylinder layer 3, bleed pipe 103 has effect of vibration while wet feed is sprayed into, by wet feed in pressure and vibration
It is packed under synergy in the space between outer drum layer 1, inner drum layer 3, removes bleed pipe 103；
(1.4) 85 DEG C of hot water is passed through into heat exchange coil 4, hot water flow is 3m3/ h, hot water is from working medium entrances pipeline 41
Enter, go out from sender property outlet pipeline 42, using the hot water being passed through in heat exchange coil 4 by the moisture in wet feed from sender property outlet pipeline 42
Discharged with the gap of outer drum layer 1, be passed through hot water to the gap no moisture of sender property outlet pipeline 42 and outer drum layer 1 and discharge, you can.
Using the wet feed formula (being shown in Table 1) of embodiment 2 to 4, comparative example 1 to 11, dry, respectively obtain at 80 DEG C respectively
Solid dielectric, tests the performance of the solid dielectric.
The comparative example wet feed of table 1 is formulated
Test performance, the results are shown in Table 2 and 3.
The embodiment 2 to 4 of table 2, the heat conductivility of the solid dielectric of comparative example 1 to 11
Thermal conductivity factor is tested using GB/T10295-2008 methods.
The embodiment 2 to 4 of table 3, the tensile strength of the solid dielectric of comparative example 1 to 11
Compressive resistance is tested using GB5072-82 methods；Anti- folded knotting strength is tested using GB5123-1993 methods.
From result above：
(1) the solid dielectric good heat conductivity of the embodiment of the present invention 2 to 4, tensile strength is high；
(2) other few component consumptions of the micron graphite powder consumption of comparative example 1 are relatively more, and the micron graphite powder consumption of comparative example 2 is more
Other component consumptions are relatively few, and heat conductivility is not good；Other few component consumptions of the copper nanoparticle consumption of comparative example 3 are relatively more, right
Other many component consumptions of the copper nanoparticle consumption of ratio 4 are relatively few, and heat conductivility is not good；As can be seen here, micron graphite powder and receive
Rice copper powder is in the range of certain proportion, and heat conductivility is preferable；
(3) comparative example 5 to 8 individually uses μ-nickel powder, micron iron powder, micron aluminium powder, micron silica flour, however, this
When a little components are used alone, the solid dielectric has more spilehole after the drying, causes solid dielectric heat conductivility to decline bright
It is aobvious；
(4) comparative example 9 to 11 has individually used carbon black, asbestos, quartz, and obtained solid dielectric tensile strength is not
It is good.
Claims (4)
1. the coating process of solid dielectric layer in a kind of coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger, it is characterised in that：Bag
Include following steps：
(1.1) solid powder of high thermal conductivity and high temperature resistant glue are mixed, obtains wet feed；
(1.2) the filling flexible heat-insulation layer on outer drum layer madial wall；Inner drum layer is installed on lower flange, installs and changes outside inner drum layer
Hot coil, then inwall has been filled with the outer drum layer of flexible heat-insulating layer on set outside heat exchange coil, reconnects flange, heat exchange coil
Working medium entrances pipeline, sender property outlet pipeline are stretched out outside outer drum layer respectively, welding working medium inlet duct and outer drum layer；
(1.3) wet feed is added in the pressure vessel of forcing press, the bleed pipe of forcing press is inserted to the sender property outlet of heat exchange coil
In the gap of pipeline and outer drum layer, the pressue device of Opening pressure machine, wet feed is sprayed into the space between outer drum layer, inner drum layer,
Bleed pipe has effect of vibration while wet feed is sprayed into, and wet feed is packed into outer barrel under pressure and the synergy of vibration
In space between layer, inner drum layer, bleed pipe is removed；
(1.4) hot water is passed through into heat exchange coil, hot water enters from working medium entrances pipeline, gone out from sender property outlet pipeline, utilizes heat exchange
The hot water being passed through in coil pipe discharges the moisture in wet feed from the gap of sender property outlet pipeline and outer drum layer, is passed through hot water to working medium
The gap no moisture of outlet conduit and outer drum layer is discharged, you can.
2. the application of solid dielectric layer in a kind of coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger according to claim 1
Method, it is characterised in that：In step (1.1), the solid powder of the high thermal conductivity includes 50-75 parts of micron graphite powder, received
15-25 parts of copper powder of rice, 1-3 parts of μ-nickel powder, 1-3 parts of micron iron powder, 1-3 parts of micron aluminium powder, 1-3 parts of micron silica flour, carbon black
0.5-1.5 parts, 0.5-1.5 parts of asbestos, 0.5-1.5 parts of quartz, wherein, μ-nickel powder, micron iron powder, micron aluminium powder, micron silicon
The total amount of powder is 6-10 parts, in parts by weight；The high temperature resistant glue is the high strength structural adhesion of more than 900 DEG C of heatproof；It is described
The solid powder of high thermal conductivity and the mass ratio of high temperature resistant glue are (3-5)：1.
3. the application of solid dielectric layer in a kind of coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger according to claim 1
Method, it is characterised in that：In step (1.4), hot water temperature is 75-85 DEG C, and hot water flow is 3-5m3/h。
4. a kind of forcing press for the application of solid dielectric layer in coke oven coke oven uprising tube raw coke oven gas heat recovery heat exchanger, its feature
It is：Including the pressue device, pressure vessel and bleed pipe being sequentially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710318770.4A CN107008635B (en) | 2017-05-08 | 2017-05-08 | Method and equipment for coating solid medium layer in coke oven rising pipe raw gas waste heat recovery heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710318770.4A CN107008635B (en) | 2017-05-08 | 2017-05-08 | Method and equipment for coating solid medium layer in coke oven rising pipe raw gas waste heat recovery heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN107418599A (en) * | 2017-08-31 | 2017-12-01 | 南京沪友冶金机械制造有限公司 | The coke oven coke oven uprising tube waste heat recovery device of integration desulfurization denitration |
| CN107434975A (en) * | 2017-08-31 | 2017-12-05 | 南京沪友冶金机械制造有限公司 | A kind of high efficiency Riser waste heat recovery device for coke oven |
| CN110657638A (en) * | 2019-10-24 | 2020-01-07 | 苏州蒂珀克制冷科技有限公司 | Ultra-low temperature spray freezing tower system |
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| CN110657638A (en) * | 2019-10-24 | 2020-01-07 | 苏州蒂珀克制冷科技有限公司 | Ultra-low temperature spray freezing tower system |
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| CN107008635B (en) | 2023-11-07 |
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