CN110440242A - Integrated superheater - Google Patents
Integrated superheater Download PDFInfo
- Publication number
- CN110440242A CN110440242A CN201910832818.2A CN201910832818A CN110440242A CN 110440242 A CN110440242 A CN 110440242A CN 201910832818 A CN201910832818 A CN 201910832818A CN 110440242 A CN110440242 A CN 110440242A
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- China
- Prior art keywords
- backing
- shell
- superheater
- tube
- grade
- Prior art date
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- 239000003507 refrigerant Substances 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 22
- 238000000576 coating method Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 230000010354 integration Effects 0.000 claims description 11
- 238000005253 cladding Methods 0.000 claims description 9
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 239000002918 waste heat Substances 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010310 metallurgical process Methods 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000002893 slag Substances 0.000 description 15
- 238000001816 cooling Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 241001640558 Cotoneaster horizontalis Species 0.000 description 1
- 229910020218 Pb—Zn Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910000743 fusible alloy Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 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 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G1/00—Steam superheating characterised by heating method
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G3/00—Steam superheaters characterised by constructional features; Details of component parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a kind of integrated superheaters；It includes steam bottle and superheater main body；Intake line and output pipe are communicated on steam bottle；Superheater main body include shell, II grade by backing, Ι grades by backing and rotating lifting gear, the both ends of shell are opening, II grade is all set in shell by backing by backing and Ι grades and is connected to by rotating lifting gear with external, II grade of input terminal by backing is refrigerant inlet, output end is connected to intake line, and the Ι grades of input terminals by backing are connected to output pipe, output end exports outward.Residual neat recovering system is heat exchanger using integrated superheater.It can be adjusted by rotating lifting gear by the working quantity and heating surface area of backing, the maintenance and replacement of heating surface components can also be completed in production process, guarantee the safety and stabilization of waste heat removal process.In metallurgical process can high efficiente callback process thermal energy, can solve environmental thermal pollution problem again.
Description
Technical field
The invention belongs to non-ferrous metal smelting technologies, more particularly to a kind of integrated superheater.
Background technique
There is many high temperature fluids for non-ferrous metal smelting technology, such as: high temperature flue gas, high-temperature slag,
High temperature metal bath, high-temperature molten salt etc..
Non-ferrous metal metallurgy industry recycles the very limited of research and development application to the waste heat of the fluid of high temperature at present, wide at present
General application is to recycle to the waste heat of high-temperature flue gas, and only stop at generation saturated vapor, sends to the electricity of electricity generation system generation
Far smaller than superheating system；For the thermal loss of other most high temperature fluids during technique circulation, there is no recycle
Measure.
In pyrometallurgical smelting process, in addition to high-temperature flue gas, the waste heat recycling of other high temperature fluids is still a blank.
The cooling of high-temperature slag uses at present and discharges water slag and be allowed to dry two kinds of forms of slag, and the temperature of the slag generally discharged is 1000~1300
DEG C, temperature after cooling is at 25 DEG C or so, and the quantity of slag is very big.By the way of the slag that discharges water, flushing cinder it is big with cooling water amount and
Need to be by cooling tower cooler, not only heat does not recycle, and also adds the investment of auxiliary equipment, increases operating cost；It is allowed to dry
The mode of slag, so that the thermal loss of slag in environment, also can generate thermal pollution to environment.The cooling of high temperature metal fluid
It is primarily present in three kinds of technical process: 1, the temperature-fall period of metal bath.In Lead-Zinc Sintering Process, row's lead bullion temperature of metallurgical furnace
About 900 DEG C of degree, the operation temperature of the Decoppering in lead bullion process of next step are 500 DEG C, at present the heat of the temperature drop of about 500 DEG C of this part
Amount loss completely, without recovery measure；2, the cooling of the metallic vapour and metal bath of vacuum outlet of still.Vacuum outlet of still gold
The tapping temperature for belonging to vapor (steam) temperature and metal bath is general are as follows: 400~1000 DEG C, metallic vapour is cooling using recirculated cooling water
Mode be cooled to liquid metal, metal bath naturally cools to solid-state in air, this two-part cooling heat does not have
Any recovery measure；3, metal cooling separation process in smelting process.Such as the Pb-Zn separation in I SP technique, China is in life
Enterprise is produced not to be collected the chemical reaction heat during this with cooling heat of releasing.
High-temperature molten salt system is widely used in producing the fields such as superconductor film, fuel cell, and temperature is 400 DEG C~800
Within the scope of DEG C, when there is more sediment in thermal medium-molten salt, Ying Genghuan fused salt, the waste heat in temperature-fall period when fused salt is replaced
Currently without carrying out recycling.
Summary of the invention
The purpose of the present invention is to solve the shortcomings of the prior art place, providing one kind can efficiently return in metallurgical process
Receipts process thermal energy, the integrated superheater that can solve environmental thermal pollution problem again.
This integrated superheater provided by the invention, it includes steam bottle and superheater main body；It is communicated on steam bottle
Intake line and output pipe；Superheater main body include shell, II grade by backing, Ι grades by backing and rotating lifting gear, shell
Both ends be opening, II grade is all set in shell by backing by backing and Ι grade and is connected to by rotating lifting gear with external, II
Grade is that refrigerant inlet, output end be connected tos with intake line by the input terminal of backing, the Ι grade input terminals by backing and output pipe company
Logical, output end exports outward.
In a specific embodiment, the rotating lifting gear includes sphere pipe, slidable tube and insulating layer；Sphere
The coating that pipe is externally provided with convenient for opposite sliding, tube wall are equipped with a pair of of through-hole；A pair of of through-hole, insulating layer cladding are set on insulating layer
In outside sphere pipe；Slidable tube includes the stretch section and arc section being sequentially connected, and stretch section is bellows, and slidable tube is with its circle
Segmental arc is coated on outside sphere pipe, can the rotation of opposing spheres pipe, the outer end of stretch section, which extends to, is used as output or input outside insulating layer.
As an alternative, the rotating lifting gear includes shell, center roll shaft and bellows；Shell is made of metal ball
Shape shell, which is provided with a pair of openings, be coated with insulating layer；Center roll shaft is set to the center of shell, outside the roll shaft of center
It is lubricious with being equipped in shell；Bellows extends between center roll shaft and shell, and both ends are stretched out outside a pair of openings respectively, wave
Line pipe can be relatively rotated around center roll shaft.
As an alternative, the rotating lifting gear includes central shaft tube, sliding extension component, dielectric resilience shell；
Central shaft tube is cylinder, which is provided with a pair of openings, and outer surface is equipped with lubricious；Sliding extension component includes successively phase
Straightway even, telescopic segment and cladding section, cladding section have two sections to be respectively welded in the two sides of telescopic segment inner end, and straightway is connected to
The outer end of telescopic segment, sliding extension component coat section with it and are coated on outside central shaft tube and can rotate around central shaft tube；Central axis
Region is equipped with dielectric resilience shell between outer corresponding two telescoping tubes of pipe, and dielectric resilience shell includes insulation shell and the setting at both ends
Elastic container between two insulating segments.
Preferably, described II grade is jacket type by backing, serpentine-like arrangement, including inner tube, outer tube and protection by backing
Layer；The end of outer tube is equipped with seal chamber, and inner tube is stretched out outside seal chamber, and inert gas, outer tube peripheral hardware high fever are filled in seal chamber
The flame retardant coating of conductance；It is filled with liquid metal couplant between inner tube and outer tube and is equipped in seal chamber and extends to liquid metal
Liquid level sensor in couplant surface；Ι grades are identical by fin structure as II grade by backing, and respectively by backing be externally provided with it is interior
The safety valve of pipe connection.
As an alternative, the filled graphite substance or between said inner tube and the outer tube.
In order to improve heat transfer effect, fin is externally provided with by backing by backing and/or Ι grades at described II grade.
Preferably, described II grade is extended in corresponding sphere pipe by backing and the top by backing Ι grades of, junction
It is coated with insulated non-metal layer.
In a specific embodiment, one end of the shell is equipped with fluid inlet, and the other end is equipped with fluid outlet, outside
The inner surface of shell is equipped with high temperature inorganic coating.
Preferably, the intake line and the output pipe are seamless steel pipe made of 304H stainless steel, end
Inner wall is equipped with screw thread.
It is assemblied in shell in the use of the present invention, being passed through rotating lifting gear by backing by backing, Ι grades for II grade,
So that the working quantity and heating surface area by backing can be adjusted by rotating lifting gear, it also can be with complete in production process
At the maintenance and replacement of heating surface components, convenient for guaranteeing the safety and stabilization of waste heat removal process.Water and metallurgical mistake when use
The high temperature fluid occurred in journey exchanges heat inside the shell, is formed steam water interface after heat exchange by the water in backing and converged for II grade
Enter in steam bottle, then enter Ι grades from steam bottle and exported by after heat exchange output overheats saturated vapor again in backing, in metallurgical process
In can high efficiente callback process thermal energy, can solve environmental thermal pollution problem again.
Detailed description of the invention
Fig. 1 is the arrangement schematic diagram of the preferred embodiment of the present invention one.(safety valve is not drawn into)
Fig. 2 is rotating lifting gear and the assembly magnification diagram by backing in preferred embodiment one.
Fig. 3 is the cutaway enlargement diagram in preferred embodiment one by backing.
Fig. 4 is the cutaway enlargement diagram of rotating lifting gear in preferred embodiment one.(working condition)
Fig. 5 is the cutaway enlargement diagram of rotating lifting gear in preferred embodiment one.(inspecting state)
Fig. 6 is the cutaway enlargement diagram of rotating lifting gear in preferred embodiment two.
Fig. 7 is the cutaway enlargement diagram of rotating lifting gear in preferred embodiment three.
Illustrate serial number:
1-steam bottle, 11-intake lines, 12-output pipes；
2-shells；
3-II grade by backing, 31-inner tubes, 32-outer tubes, 33-flame retardant coatings；
4-Ι grades by backing；
5-rotating lifting gears, 51-sphere pipes, 52-slidable tubes, 53-insulating layers, 54-coatings,
6-liquid level sensors；
7-fins；
8-safety valves；
9-bypass heat exchangers；
A5-rotating lifting gear II, A51-spherical housing, A52-center roll shaft, A53-bellows, A54-insulation
Layer, the smooth equadag coating of A55-.
B5-rotating lifting gear III, B51-central shaft tube, B52-sliding extension component, B521-straightway,
B522-telescopic segment, B523-cladding section, B53-dielectric resilience shell, B531-insulation shell, B532-elastic container, B54-light
Sliding coating.
Specific embodiment
As shown in Figure 1, this integration superheater disclosed in the present embodiment is integral type, including steam bottle 1, shell 2, II
Grade is by backing 3, Ι grades by backing 4 and rotating lifting gear 5.
Be communicated with intake line 11 and output pipe 12 on steam bottle 1, intake line and the output pipe be 304H not
Become rusty seamless steel pipe made of steel, and inner wall of end is threaded to connect.
Shell 2 is the cylinder type shell being welded by No. 20 steel, and both ends are that opening is passed through for high temperature fluid, inner wall spray
Aluminum oxide high temperature inorganic coating is applied, coating layer thickness is more than or equal to 10mm.
As shown in Figure 1 and Figure 2, II grade it is identical by 4 structure of backing by backing 3 and Ι grades, be the snakelike comb of jacket type；Such as
Shown in Fig. 3, II grade is included inner tube 31 and outer tube 32 by backing 3, and the end-enclosed of outer tube, inner tube is stretched out outside closed end, outside outer tube
If flame retardant coating 33, thermal conductivity, the good liquid metal couplant of thermal protection performance are filled in the region between outer tube and inner tube, it is optional
With polynary fusible alloy, and the space more than liquid level there are 30-50mm is filled with inert gas to close, and in the closing of outer tube
End setting liquid level sensor 6, liquid level sensor pass through inert gas space, are inserted into liquid metal couplant liquid level or less and carry out
Line monitoring of leakage and remote alarms.II grade is No. 20 boiler steels by backing and Ι grades of inner tube, the materials of outer tube by backing, and
Outer tube outer surface spraying carborundum refractory composite layer is used as flame retardant coating, with bear the mechanical erosion of metallurgical high temperature fluid with
Chemical attack.In addition to improving heat transfer effect, it is externally provided with fin 7 by backing by backing and Ι grades at II grade, in order to improve safety
Performance is achieved as desired by the safety valve for being set to inner tube connection on the output end by backing to being respectively exhausted by backing
8。
As shown in Figure 2, Figure 4 shows, rotating lifting gear 5 includes sphere pipe 51, slidable tube 52 and insulating layer 53；Outside sphere pipe
Equipped with the coating 54 convenient for opposite sliding, tube wall is equipped with a pair of of through-hole；A pair of of through-hole is set on insulating layer, insulating layer is coated on
Outside sphere pipe；Slidable tube includes the telescopic segment being sequentially connected and arc section, and telescopic segment is special stainless steel bellows, can be slided
Dynamic Guan Yiqi arc section is coated on outside sphere pipe, can the rotation of opposing spheres pipe, the outer end of telescopic segment extends to be used as outside insulating layer
Output or input.When system operates normally, as shown in figure 4, steam water interface or overheat saturated vapor pass through slidably pipe fitting
It enters in sphere pipe fitting, when being needed replacing or being overhauled by backing by backing and II grade for I grade, as shown in figure 5, rotation sliding
Pipe fitting can will be enhanced, steam-water mixing in lifting process with closed ball pipe through hole by backing therefrom high temperature fluid
Object or superheated steam channel are completely blocked, and complete the security improvement by backing.
When integrated superheater itself assembles, according to operating condition select II grade of suitable number by backing and Ι grades by backing, so
II grade is set in shell by backing afterwards, input terminal is connected to feed pump, output end pass through rotating lifting gear and steam bottle
Intake line connection, Ι grade be set in shell by backing, the output pipe company that one end passes through rotating lifting gear and steam bottle
The logical, other end is exported by rotating lifting gear, when being assembled by backing and rotating lifting gear, will be stretched by the top of backing
It is connected in corresponding pedestal with bottom tube, and is coated with insulated non-metal layer in junction, make to improve safety with insulation effect
And reliability.The setting of rotating lifting gear is achieved maintenance and part replacement under the system on-load condition of production, can
It translates and is promoted to by backing to realize, improve the safety of integrated superheater and the operational efficiency of whole system.
As shown in Figure 1, when the present embodiment is in use, medium is exchanged heat inside the shell, after heat exchange II grade by backing
Interior water forms steam water interface and simultaneously imports in steam bottle, then enters Ι grades by heat exchange output mistake again in backing from steam bottle
It is exported after hot saturated vapor.Simultaneously in order to ensure integrated superheater can operate normally, it is arranged on the output pipe of steam bottle
Have with Ι grades by backing bypass heat exchanger 9 in parallel, when being there is accident by backing for Ι grades, it is interim by backing to be provided steam for II grade
Utilize bypass；In addition, being provided with the safety valve of inner tube connection therewith outside each heat exchanger fin also with spare.
In the present embodiment liquid metal coupling can also be substituted to filled graphite substance between the inner and outer tubes by backing
Mixture can save liquid level sensor.
Preferred embodiment two, the present embodiment and the difference of preferred embodiment one are, by rotating lifting gear using other
Scheme, as shown in fig. 6, II A5 of rotating lifting gear in the present embodiment includes spherical housing A51, center roll shaft A52 and ripple
Pipe A53；Spherical housing is made of metal, which is provided with a pair of openings, is coated with insulating layer A54；Center roll shaft is set to outer
The center of shell, center roll shaft are equipped with lubricious A55 outside and in shell；Bellows extends between center roll shaft and shell, and two
End is stretched out outside a pair of openings respectively, and bellows can be relatively rotated around center roll shaft.
Preferred embodiment three, the present embodiment and the difference of preferred embodiment one are, by rotating lifting gear using other
Scheme, as shown in fig. 7, III B5 of rotating lifting gear includes central shaft tube B51, sliding extension component B52, dielectric resilience shell
B53；Central shaft tube is cylinder, which is provided with a pair of openings, and outer surface is equipped with the lubricious B54 of graphite quality；Sliding
Telescopic component B52 includes the straightway B521 being sequentially connected, telescopic segment B522 and cladding section B523, and cladding section has two sections to weld respectively
It is connected to the two sides of telescopic segment inner end, straightway is connected to the outer end of telescopic segment, and sliding extension component is coated during section is coated on it
It can be rotated around central shaft tube outside central spindle tube；Region is equipped with dielectric resilience shell between corresponding two telescoping tubes outside central shaft tube,
Dielectric resilience shell includes the insulation shell B531 at both ends and the elastic container B532 that is set between two insulating segments.Sliding extension component
Section cladding central shaft tube opening is coated with it, is connected to runner with telescopic segment, and elastic container is low-alloy steel material, is stretched in sliding
Contracting component around central shaft tube relatively rotate during freely can extend and shrink.Telescoping tube is pulled when use, at this time stretch section
Flexible deformation, a pair of of telescoping tube relative motion are able to through the opening on insulating segment opening or blocked center central siphon.
For verification the verifying results, inventor has carried out three groups of tests.
One, shell internal volume is designed as 1.25m3, and the high lead slag in its cavity full of 950 ± 50 DEG C, per hour
It is 1.31t by high lead slag amount, high lead liquid temperature is reduced to 500 DEG C by this system.By lead liquid high in cast lagging casing
It is divided into five sections, first segment is 1050 DEG C to 900 DEG C, and second segment is 900 DEG C to 750 DEG C, and third section is 750 DEG C to 650 DEG C, the 4th
Section is 650 DEG C to 570 DEG C, and the 5th section is 570 DEG C to 500 DEG C.First segment and second segment are respectively set 3 groups of jacket types and cross backing,
5 groups of jacket type evaporating plates are respectively set in third temperature and the 4th temperature section, and the 5th temperature section is arranged 5 groups of jacket type evaporating plates, is
System pressure is 0.70MPa.It is 28.2t/h, waste heat recovery rate 93.6% that system, which generates overheat saturated vapor amount,.
Two, shell internal volume is designed as 1.25m3, it is full of 700 ± 50 DEG C of high lead slag, passes through high lead slag amount per hour
For 1.31t, high lead liquid temperature is reduced to 400 DEG C by residual neat recovering system.Lead liquid high in cast lagging casing is divided into four
Section, first segment are 900 DEG C to 740 DEG C, and second segment is 740 DEG C to 610 DEG C, and third section is 610 DEG C to 500 DEG C, and the 4th section is 500
DEG C to 400 DEG C.First segment is arranged 3 groups of jacket types and crosses backing, and 5 groups of jacket type evaporations are respectively set in second temperature and third temperature section
5 groups of jacket type evaporating plates, system pressure 0.72MPa is arranged in piece, the 4th temperature section.System generates overheat saturated vapor amount
21.9kg/h, waste heat recovery rate 93.8%.
Three, shell internal volume is designed as 1.25m3, it is full of 550 ± 50 DEG C of high lead slag, passes through high lead slag amount per hour
For 1.3t, high lead liquid temperature is reduced to 400 DEG C by residual neat recovering system.Lead liquid high in cast lagging casing is divided into four
Section, first segment are 600 DEG C to 550 DEG C, and second segment is 550 DEG C to 470 DEG C, and third section is 470 DEG C to 400 DEG C.First segment setting 1
Group jacket type crosses backing, and 3 groups of jacket type evaporating plates, system pressure 0.75MPa is respectively set in second temperature and third temperature section.
It is 15.4t/h, waste heat recovery rate 92.2% that system, which generates overheat saturated vapor amount,.
Claims (10)
1. a kind of integration superheater, it is characterised in that: it includes steam bottle and superheater main body；Input is communicated on steam bottle
Pipeline and output pipe；Superheater main body include shell, II grade by backing, Ι grades by backing and rotating lifting gear, the two of shell
End is opening, and II grade is all set in shell by backing by backing and Ι grade and is connected to by rotating lifting gear with external, II grade by
The input terminal of backing is that refrigerant inlet, output end are connected to intake line, the Ι grades of input terminals by backing are connected to output pipe,
Output end exports outward.
2. integration superheater as described in claim 1, it is characterised in that: the rotating lifting gear includes sphere pipe, can
Sliding tube and insulating layer；The coating that sphere pipe is externally provided with convenient for opposite sliding, tube wall are equipped with a pair of of through-hole；It is set on insulating layer
A pair of of through-hole, insulating layer are coated on outside sphere pipe；Slidable tube includes the stretch section and arc section being sequentially connected, and stretch section is wave
Line pipe, slidable tube are coated on outside sphere pipe with its arc section, can opposing spheres pipe rotation, the outer end of stretch section extends to insulation
Layer is outer to be used as output or input.
3. integration superheater as described in claim 1, it is characterised in that: the rotating lifting gear includes shell, center
Roll shaft and bellows；Shell is made of metal spherical housing, which is provided with a pair of openings, is coated with insulating layer；Center roll shaft
It is set to the center of shell, center roll shaft is equipped with lubricious outside and in shell；Bellows extend to center roll shaft and shell it
Between, both ends are stretched out outside a pair of openings respectively, and bellows can be relatively rotated around center roll shaft.
4. integration superheater as described in claim 1, it is characterised in that: the rotating lifting gear include central shaft tube,
Sliding extension component, dielectric resilience shell；Central shaft tube is cylinder, which is provided with a pair of openings, and outer surface is equipped with smooth
Coating；Sliding extension component includes the straightway being sequentially connected, telescopic segment and cladding section, and cladding section has two sections to be respectively welded in stretching
The two sides of contracting section inner end, straightway are connected to the outer end of telescopic segment, and sliding extension component coats section with it and is coated on central shaft tube
It can be rotated outside around central shaft tube；Region is equipped with dielectric resilience shell between corresponding two telescoping tubes outside central shaft tube, and insulate bullet
Property shell includes the insulation shell at both ends and the elastic container that is set between two insulating segments.
5. it is as claimed in claim 2 or 3 or 4 integration superheater, it is characterised in that: described II grade by backing be jacket type by
Backing, serpentine-like arrangement, including inner tube, outer tube and protective layer；The end of outer tube is equipped with seal chamber, and inner tube is stretched out outside seal chamber,
Inert gas, the flame retardant coating of outer tube peripheral hardware high heat conductance are filled in seal chamber；Liquid metal is filled between inner tube and outer tube
Couplant is simultaneously equipped with the liquid level sensor extended in liquid metal couplant surface in seal chamber；Ι grades by backing and II grade by
Fin structure is identical, and the safety valve being connected to inner tube is respectively being externally provided with by backing.
6. integration superheater as claimed in claim 5, it is characterised in that: or filled out between said inner tube and the outer tube
Fill graphite substance.
7. integration superheater as described in claim 1, it is characterised in that: described II grade by backing and/or Ι grades by backing outside
Equipped with fin.
8. integration superheater as claimed in claim 2, it is characterised in that: described II grade by backing and it is described Ι grades by backing
Top extend in corresponding sphere pipe, junction is coated with insulated non-metal layer.
9. integration superheater as described in claim 1, it is characterised in that: one end of the shell is equipped with fluid inlet, separately
One end is equipped with fluid outlet, and the inner surface of shell is equipped with high temperature inorganic coating.
10. integration superheater as described in claim 1, it is characterised in that: the intake line and the output pipe are
Seamless steel pipe made of 304H stainless steel, inner wall of end are equipped with screw thread.
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| CN110440242B (en) | 2024-04-09 |
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