CN110207097A - A kind of efficient stable wear-resisting type superheater device - Google Patents
A kind of efficient stable wear-resisting type superheater device Download PDFInfo
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- CN110207097A CN110207097A CN201910472749.9A CN201910472749A CN110207097A CN 110207097 A CN110207097 A CN 110207097A CN 201910472749 A CN201910472749 A CN 201910472749A CN 110207097 A CN110207097 A CN 110207097A
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- pipe
- smoke box
- overheat
- cylinder
- header
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- 239000000779 smoke Substances 0.000 claims abstract description 30
- 230000008676 import Effects 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 238000005192 partition Methods 0.000 claims description 15
- 238000013021 overheating Methods 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000112 cooling gas Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G5/00—Controlling superheat temperature
- F22G5/12—Controlling superheat temperature by attemperating the superheated steam, e.g. by injected water sprays
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of efficient stable wear-resisting type superheater devices, including the import smoke box, overheat smoke box and outlet smoke box being sequentially communicated；Overheat smoke box inside turn is provided with several heat exchange bend pipes；Heat exchange bend pipe includes the fin for overheating steel pipe and being welded on overheat steel pipe；Side has been mounted in parallel import header and outlet header outside overheat smoke box；Import header is connected to by steam header with attemperator；Offer nozzle for thermometer and gauge manifold in import header, the intersection of import header and steam header opens up temperature sensor adapter tube；The other side opens up steam air inlet adapter tube and vapor outlet port adapter tube outside overheat smoke box.
Description
Technical field
The invention belongs to the technical fields of superheater, and in particular to a kind of efficient stable wear-resisting type superheater device.
Background technique
Superheater (superheater) is the portion that steam is further heated to overtemperature in boiler from saturation temperature
Part, also known as steam superheater.Superheater can be divided into convection type, radiant type and half radiant type by heat transfer type；It can by design feature
It is divided into serpentine, screen formula, wall and packet wall.They are all made of several pipes in parallel and inlet and outlet header.
Most of Industrial Boiler does not install superheater, because many industrial process streams and living facilities only need to be saturated steaming
Vapour.In power station, locomotive and marine boiler, in order to improve the thermal efficiency of cycle of entire Steam Power Equipment, it was typically equipped with
Hot device.
And existing superheater is when heating saturated vapor, it may appear that more than the situation of set temperature value, and
When saturated vapor enters superheater, after saturated vapor desuperheat, it may appear that water droplet, water droplet are unevenly distributed in the superheater, can be aggravated
Superheater thermal deviation.
Summary of the invention
It is an object of the invention to be directed to above-mentioned deficiency in the prior art, a kind of efficient stable wear-resisting type superheater is provided
Device, to solve or improve the above problem.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of efficient stable wear-resisting type superheater device comprising import smoke box, overheat smoke box and the outlet being sequentially communicated
Smoke box；
Overheat smoke box inside turn is provided with several heat exchange bend pipes；Heat exchange bend pipe includes overheat steel pipe and is welded in overheat steel pipe
On fin；Side has been mounted in parallel import header and outlet header outside overheat smoke box；Import header by steam header with
Attemperator connection；Nozzle for thermometer and gauge manifold, the intersection of import header and steam header are offered in import header
Open up temperature sensor adapter tube；The other side opens up steam air inlet adapter tube and vapor outlet port adapter tube outside overheat smoke box；
One end of attemperator cylinder is connect with first flange lid, and the other end is connected with second flange lid；Close to the second method
In the cylinder of the one end Lan Gai, a vertical clapboard is set along the vertical direction；Cylinder inboard wall between vertical clapboard and first flange lid
Annular partition is set；A heat exchanger chamber for being used for steam heat exchange is formed between cylinder annular partition and vertical clapboard；
Coiled pipe is installed in heat exchanger chamber inside turn, and the water inlet end of coiled pipe is connected to water inlet pipe, and the water outlet of coiled pipe and outlet pipe connect
It is logical；Flowmeter and electrically operated valve are mounted on water inlet pipe and outlet pipe；
At least one air intake and at least two ventholes are provided on cylinder；Air intake and venthole are and heat exchanger chamber
Connection；The upper end opening of cylinder installs the first thermal resistance casing, and lower ending opening installs the second thermal resistance casing；
First flange lid is welded in cylinder one end；Second flange lid includes flange and the end cap for being set to flange one end；The
Two blind flanges are fixedly linked by flange and cylinder；The casing for being arranged water inlet pipe and outlet pipe is provided on end cap.
Preferably, the size of fin is 41mm*181mm.
Preferably, several pieces of fins are welded between adjacent two overheats steel pipe；Several fins are arranged parallel, two pieces of fins it
Between distance be 30mm.
Preferably, pacify in temperature sensor adapter tube, nozzle for thermometer, the first thermal resistance casing and the second thermal resistance casing
PT100 thermal resistance sensor is filled, BST6600 pressure transmitter is installed in gauge manifold；Cylinder upper opening installs pipe fitting, pipe
BST6600 pressure transmitter is installed in connector.
Preferably, flowmeter, electrically operated valve, PT100 thermal resistance sensor and BST6600 pressure transmitter are counted with outside
Calculation machine is electrically connected.
Preferably, flow is calculated as LDG-MIK electromagnetic flowmeter.
Preferably, electrically operated valve is the electronic flange dish valve of DN50.
Preferably, a backplate is set between annular partition and cylinder inboard wall.
Efficient stable wear-resisting type superheater device provided by the invention, has the advantages that
The invention can ensure that superheater not overtemperature, and adjustable temperature has certain sensitivity to specified value；Effectively keep away
There is water droplet after exempting from saturated vapor desuperheat, water droplet is caused to be unevenly distributed in the superheater, aggravates superheater thermal deviation.
Detailed description of the invention
Fig. 1 is the front view of efficient stable wear-resisting type superheater device.
Fig. 2 and Fig. 3 is the side view of efficient stable wear-resisting type superheater device.
Fig. 4 is efficient stable wear-resisting type superheater device fin structure chart.
Fig. 5 is that efficient stable wear-resisting type superheater device overheats steel pipe structure chart.
Fig. 6 is efficient stable wear-resisting type superheater device attemperator structure chart.
Fig. 7 is efficient stable wear-resisting type superheater device attemperator longitudinal section view.
Fig. 8 is efficient stable wear-resisting type superheater device cross sectional view.
Fig. 9 is efficient stable wear-resisting type superheater device second flange structure chart.
Wherein, 1, import smoke box；2, smoke box is overheated；3, smoke box is exported；4, supporting leg；5, attemperator；6, import header；7, go out
Mouth header；8, steam header；9, steam-gas inlet is taken over；10, vapor outlet port is taken over；11, temperature sensor is taken over；12, thermometer
Adapter tube；13, gauge manifold；14, steel pipe is overheated；15, connecting sleeve；16, fin；51, cylinder；52, coiled pipe；53, it is discharged
Pipe；54, water inlet pipe；55, vertical clapboard；56, annular partition；57, sliding block；58, backplate；59, first flange lid；510, the second method
Orchid lid；511, stud；512, nut；513, air intake；514, venthole；517, heat exchanger chamber；518, pipe fitting；519,
First thermal resistance casing；520, the second thermal resistance casing；521, flange；522, end cap；523, casing.
Specific embodiment
A specific embodiment of the invention is described below, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the ranges of specific embodiment, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the column of protection.
According to one embodiment of the application, with reference to Fig. 1-Fig. 5, the efficient stable wear-resisting type superheater device of this programme,
Including the import smoke box 1, overheat smoke box 2 and outlet smoke box 3 being sequentially communicated.
Wherein, import smoke box 1 enters for high-temperature flue gas；Overheat smoke box 2 is carried out for that will import saturated vapor therein
Heating, and be heated within the scope of preset temperature value；Flue gas after outlet smoke box 3 is used to exchange heat exports.
Overheat 2 inside turn of smoke box is provided with several heat exchange bend pipes, and heat exchange bend pipe includes overheat steel pipe 14 and is welded in overheat
Fin 16 on steel pipe 14.
Several pieces of fins 16, several settings parallel of fin 16, two pieces of fins 16 are welded between adjacent two overheats steel pipe 14
The distance between be 30mm.
It overheats and welds fin 16 on steel pipe 14, due to the presence of fin 16, it is logical to will form several when entering for flue gas
Hole, flue gas form vortex in through-hole, and irregular shock overheats 14 surface of steel pipe, increase overheat steel pipe 14 and high-temperature flue gas it
Between heat exchange area, and then increase heat exchange efficiency.
Overheat 2 outside side of smoke box has been mounted in parallel import header 6 and outlet header 7, and import header 6 passes through steam header
8 are connected to attemperator 5；Nozzle for thermometer 12 and gauge manifold 13, import header 6 and steam collection are offered in import header 6
The intersection of case 8 opens up temperature sensor adapter tube 11, and the overheat 2 outside other side of smoke box opens up steam air inlet adapter tube and steam goes out
Mouth adapter tube 10.
Wherein, temperature sensor adapter tube 11, be respectively mounted PT100 thermal resistance sensor in nozzle for thermometer 12, pressure gauge connects
BST6600 pressure transmitter is installed in pipe 13.
Attemperator 5 is arranged in superheater inlet, can protect superheater not overtemperature, if but the steam in attemperator 5
When lower than required temperature, the too low steam of temperature and the saturated vapor of superheater entrance meet, after saturated vapor desuperheat, then
It will appear water droplet, water droplet is unevenly distributed in the superheater, can aggravate superheater thermal deviation.
Therefore the intersection in import header 6 and steam header 8 opens up temperature sensor, for being acquired in real time from attemperator 5
Interior temperature, and collected temperature information is uploaded in outer computer in real time, outer computer is mountable to monitoring room
It is interior, the temperature value in superheater is imported for real-time oversight；If staff has found that temperature value is abnormal, it can carry out immediately
Maintenance and Repair.
Except this, nozzle for thermometer 12 and gauge manifold 13 are offered in import header 6, by installing PT100 thermoelectricity
Sensor and BST6600 pressure transmitter are hindered, real time monitoring will enter the temperature and pressure of the desuperheated steam in superheater, really
It protects cooling gas temperature to meet the requirements, and pressure is stablized.
PT100 thermal resistance sensor and BST6600 pressure transmitter will real-time collected temperature information and pressure informations
It is uploaded to outer computer in real time, staff can monitor the multidate information of the gas in real time on computers, guarantee entrance
Cooling gas meets industrial requirements.
Except this, if the temperature in attemperator 5 is more than set temperature value, the effect that cooling is realized to superheated vapor is not achieved
Fruit, derived superheated vapor temperature can then be higher than set temperature, not meet industrial requirements, therefore for 5 inner vapor temperature of attemperator
It is more demanding.
With reference to Fig. 6-Fig. 9, one end of 5 cylinder 51 of attemperator is connect with first flange lid 59, the other end and second flange
Lid 510 is connected.Wherein, first flange lid 59 is by being fixedly welded on 51 one end of cylinder.
Second flange lid 510 includes flange 521 and the end cap 522 for being set to 521 one end of flange, and second flange lid 510 is logical
It crosses flange 521 to be fixedly linked with cylinder 51, and is cooperated by stud 511 and nut 512, realize flange 521 and cylinder 51
Be fixedly connected；Casing 523,523 upper opening of casing are set on end cap 522, and opening is used for fixed water inlet pipe 54 and outlet pipe
53, the stability of water inlet pipe 54 and outlet pipe 53 can be increased.
It is vertically arranged a vertical clapboard 55 in cylinder 51,55 position of vertical clapboard is disposed in proximity to second flange 521 at this,
And it will be divided into two inside cylinder 51.
Annular partition 56,56 He of annular partition is arranged in 51 inner wall of cylinder between vertical clapboard 55 and first flange lid 59
One backplate 58 is set between 51 inner wall of cylinder, and backplate 58 is used to support protection annular partition 56.Annular partition 56 and vertical clapboard
55 cooperation will form the space of a sealing in cylinder 51, the heat that can reduce by 51 external world of steam and cylinder is transmitted, and increase heat utilization
Rate；Meanwhile increasing air-tightness, and the stability of entire cavity.
Heat exchanger chamber 517 is formed inside cylinder 51 between annular partition 56 and vertical clapboard 55, in heat exchanger chamber 517
Coiled pipe 52 is installed, coiled pipe 52 is only to contact close to annular partition 56, and it is lower to squeeze degree.Annular partition 56 has
Certain elasticity, since when coiled pipe 52 carries out heat exchange, coiled pipe 52 is had a degree of expansion by temperature change,
The distance of expansion can be buffered by annular partition 56 and be born, and then play the role of protecting coiled pipe 52.
Water inlet pipe 54 and outlet pipe 53 are each passed through vertical clapboard 55, to guarantee leakproofness, in water inlet pipe 54, outlet pipe 53
At least one sealing ring is set with the intersection of vertical clapboard 55.Wherein, water inlet pipe 54 is connected to 52 water inlet end of coiled pipe, water outlet
Pipe 53 is connected to 52 water outlet of coiled pipe.
Flowmeter and electrically operated valve are mounted on water inlet pipe 54 and outlet pipe 53, flowmeter and solenoid valve are counted with outside
Calculate electrical-mechanical connection.
Flow is calculated as LDG-MIK electromagnetic flowmeter, and real-time monitoring, acquisition water inlet pipe 54 and outlet pipe 53 flow into heat exchanger chamber
Water in 517, and the water amount information is sent to computer terminal as electronic signals.
Electrically operated valve is the electronic 521 dish valve of flange of DN50, and the amount opened by electric signal control valve is controlled by calculating
Machine.
At least one air intake 513, multiple ventholes 514 are provided on cylinder 51；It air intake 513, venthole 514 and changes
Hot cavity 517 is connected to；The upper end opening of cylinder 51 installs the first thermal resistance casing 519, and lower ending opening installs the second thermal resistance
Casing 520.
Wherein, it is respectively provided with PT100 thermal resistance sensor in the first thermal resistance casing 519 and the second thermal resistance casing 520, used
In the real time temperature of acquisition 517 inner vapor of heat exchanger chamber in real time, and the temperature information is sent to computer terminal.
51 upper opening of cylinder installs pipe fitting 518, installs BST6600 pressure transmitter in pipe fitting 518, for supervising in real time
The vapour pressure force value in heat exchanger chamber 517 is surveyed, and by pressure information real-time transmission to computer terminal, guarantees the heat exchange intracorporal pressure of wall
The stabilization of power.
Steam enters from air intake 513, after the heat exchange of coiled pipe 52, achievees the effect that cooling, and lead from venthole 514
Out.
Staff can carry out heat exchange monitoring in computer terminal, and normal-temperature water (cooling water) enters heat exchanger chamber from water inlet pipe 54
In coiled pipe 52 in 517, since coiled pipe 52 is the bend pipe of setting of spiraling, it is possible to increase normal-temperature water is in heat exchanger chamber 517
Flowing time, and then increase heat exchange efficiency.
Steam imports from air intake 513 and enters heat exchanger chamber 517, the room temperature in the higher steam of temperature and coiled pipe 52
Water carries out heat exchange, and steam temperature reduces, and exports from venthole 514；Room temperature coolant-temperature gage after heat exchange rises, and from out
Water pipe 53 exports.
Meanwhile the temperature of export steam is acquired in real time in detection mouth, if temperature, which is appointed, is so higher than desired height, staff can
The electronic 521 dish valve of flange of DN50 on water inlet pipe 54 is controlled by computer, increases the flow of normal-temperature water (cooling water), until leading
Steam temperature value out is located in preset temperature values.
Certainly, staff's also electronic 521 dish valve of flange of manually controllable DN50, adjusts its interior water flow.
I.e. by 5 inner vapor temperature of real-time monitoring attemperator, vapor outlet port temperature, and can be according to the vapor outlet port temperature of acquisition
Degree controls 54 flow of water inlet pipe, realizes the adjusting to vapor outlet port temperature, and then ensures to export the stabilization of steam temperature, and full
The requirement of sufficient superheater.
The invention can ensure that superheater not overtemperature, and adjustable temperature has certain sensitivity to specified value；Effectively keep away
There is water droplet after exempting from saturated vapor desuperheat, water droplet is caused to be unevenly distributed in the superheater, aggravates superheater thermal deviation.
Although being described in detail in conjunction with specific embodiment of the attached drawing to invention, should not be construed as to this patent
Protection scope restriction.In range described by claims, those skilled in the art are without creative work
The various modifications and deformation made still belong to the protection scope of this patent.
Claims (8)
1. a kind of efficient stable wear-resisting type superheater device, it is characterised in that: including import smoke box, the overheat smoke box being sequentially communicated
With outlet smoke box；
The overheat smoke box inside turn is provided with several heat exchange bend pipes；The heat exchange bend pipe includes overheat steel pipe and is welded in overheat
Fin on steel pipe；Side has been mounted in parallel import header and outlet header outside the overheat smoke box；The import header is logical
Steam header is crossed to be connected to attemperator；Offer nozzle for thermometer and gauge manifold in the import header, import header and
The intersection of steam header opens up temperature sensor adapter tube；Outside the overheat smoke box other side open up steam air inlet adapter tube and
Vapor outlet port adapter tube；
One end of the attemperator cylinder is connect with first flange lid, and the other end is connected with second flange lid；Close to described the
In the cylinder of two blind flange one end, a vertical clapboard is set along the vertical direction；Between the vertical clapboard and first flange lid
Annular partition is arranged in cylinder inboard wall；One is formed between the cylinder annular partition and vertical clapboard is used for steam heat exchange
Heat exchanger chamber；Coiled pipe is installed in the heat exchanger chamber inside turn, and the water inlet end of coiled pipe is connected to water inlet pipe, and coiled pipe goes out
Water end (W.E.) is connected to outlet pipe；Flowmeter and electrically operated valve are mounted on the water inlet pipe and outlet pipe；
At least one air intake and at least two ventholes are provided on the cylinder；The air intake and venthole with heat exchange
Cavity connection；The upper end opening of the cylinder installs the first thermal resistance casing, and lower ending opening installs the second thermal resistance casing；
The first flange lid is welded in cylinder one end；The second flange lid includes flange and the end for being set to flange one end
Lid；The second flange lid is fixedly linked by flange and cylinder；It is provided on the end cap for being arranged water inlet pipe and water outlet
The casing of pipe.
2. efficient stable wear-resisting type superheater device according to claim 1, it is characterised in that: the size of the fin is
41mm*181mm。
3. efficient stable wear-resisting type superheater device according to claim 1, it is characterised in that: adjacent two overheats
Several pieces of fins are welded between steel pipe；Several fins are arranged parallel, and the distance between two pieces of fins are 30mm.
4. efficient stable wear-resisting type superheater device according to claim 1, it is characterised in that: the temperature sensor connects
PT100 thermal resistance sensor, pressure gauge are respectively mounted in pipe, nozzle for thermometer, the first thermal resistance casing and the second thermal resistance casing
BST6600 pressure transmitter is installed in adapter tube；Cylinder upper opening installs pipe fitting, installs BST6600 pressure inverting in pipe fitting
Device.
5. efficient stable wear-resisting type superheater device according to claim 1, it is characterised in that: the flowmeter, electronic
Valve, PT100 thermal resistance sensor and BST6600 pressure transmitter are electrically connected with outer computer.
6. efficient stable wear-resisting type superheater device according to claim 1, it is characterised in that: the flow is calculated as LDG-
MIK electromagnetic flowmeter.
7. efficient stable wear-resisting type superheater device according to claim 1, it is characterised in that: the electrically operated valve is
The electronic flange dish valve of DN50.
8. efficient stable wear-resisting type superheater device according to claim 1, it is characterised in that: the annular partition and cylinder
A backplate is set between internal wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910472749.9A CN110207097B (en) | 2019-05-31 | 2019-05-31 | Efficient stable wear-resistant superheater device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910472749.9A CN110207097B (en) | 2019-05-31 | 2019-05-31 | Efficient stable wear-resistant superheater device |
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| CN110207097A true CN110207097A (en) | 2019-09-06 |
| CN110207097B CN110207097B (en) | 2023-12-26 |
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ID=67790256
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| CN201910472749.9A Active CN110207097B (en) | 2019-05-31 | 2019-05-31 | Efficient stable wear-resistant superheater device |
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| CN110207097B (en) | 2023-12-26 |
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Address after: No. 282, Middle Section of Jiangzhang Avenue, Jiangyou City, Mianyang City, Sichuan Province, 621799 Applicant after: SICHUAN LU HENG ENERGY TECHNOLOGY Co.,Ltd. Address before: 621700 Henghong Metal Technology Co., Ltd., group 8, Yanghe village, Sanhe Town, Jiangyou City, Mianyang City, Sichuan Province Applicant before: SICHUAN LU HENG ENERGY TECHNOLOGY Co.,Ltd. |
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