CN206940953U - A kind of solid smelting furnace for solution heat treatment station boiler stainless steel tube row - Google Patents
A kind of solid smelting furnace for solution heat treatment station boiler stainless steel tube row Download PDFInfo
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- CN206940953U CN206940953U CN201720714935.5U CN201720714935U CN206940953U CN 206940953 U CN206940953 U CN 206940953U CN 201720714935 U CN201720714935 U CN 201720714935U CN 206940953 U CN206940953 U CN 206940953U
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- stainless steel
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- steel tube
- solution heat
- station boiler
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Abstract
It the utility model is related to station boiler stainless steel tube solid solution heat treatment device field, more particularly to a kind of solid smelting furnace for solution heat treatment station boiler stainless steel tube row.It includes heating furnace, material charging and discharging device and cooling device；The material charging and discharging device is located above the heating furnace along the heating furnace width；The heating furnace includes burner hearth, the burner hearth connection argon inlet pipe and blast pipe；Installation oxygen concentration detection means and electrical heating wire in the burner hearth.The purpose of this utility model is to provide a kind of solid smelting furnace for solution heat treatment station boiler stainless steel tube row, it is small to solve existing solid smelting furnace size, it is not easy to do overall solution heat treatment to station boiler stainless steel tube row, and the problem of stainless steel tube is oxidizable during solution heat treatment.
Description
Technical field
Station boiler stainless steel tube solid solution heat treatment device field is the utility model is related to, it is more particularly to a kind of to be used to be dissolved
It is heat-treated the solid smelting furnace of station boiler stainless steel tube row.
Background technology
Supercritical power station boiler, ultra supercritical station boiler, the reheater of CFB station boilers and the final stage mistake produced at present
Hot device is all made up of the very big austenitic stainless steel snake-like tube row of physical dimension, and size is maximum wide up to the long * 2m of 12m, according to
ASME, GB and PED EN standards and some customer requirements are, it is necessary to carry out solution heat treatment to elbow and stress annex weld seam, and mesh
Common solid solution furnace size is all smaller in the preceding same industry, and the size that usually can make the workpiece of stainless steel solution heat treatment does not surpass
The long * 1.2m of 1.2m are crossed, can not be to austenitic stainless steel snake-like tube row entirety solution heat treatment during so as to cause production, and need handle
Elbow and stress annex weld seam etc. scale off, after being heat-treated with small solid solution furnace, then to taking back in snake-like tube row.Thus produce
Substantial amounts of docking weld bond by hand, the increase of manual weld seam quantity, to overcritical, ultra supercritical station boiler reheater and end
The service life of level superheater can produce potential influence.Further, since a large amount of manual docking ports need to weld, cause to be manufactured into
This rising.
Common solid solution furnace does not have anti-oxidation protective atmosphere, workpiece is directly located when carrying out solution heat treatment in stove
In high temperature oxidation stability atmosphere, the reheater after solid solution and finishing superheater elbow and pipe inside and outside wall is caused to have thicker oxidation
Layer, the operation to boiler afterwards can be produced in significant impact, especially boiler running process, and a large amount of oxide skins can assemble, and cause
Pipeline blockage, produces boiler tubes cracking accident, and the safe operation to station boiler can produce significant impact.
Utility model content
The purpose of this utility model is to provide a kind of solid smelting furnace for solution heat treatment station boiler stainless steel tube row,
It is small to solve existing solid smelting furnace size, it is not easy to do overall solution heat treatment, and solution heat treatment to station boiler stainless steel tube row
The problem of stainless steel tube is oxidizable during reason.
The purpose of this utility model is realized by following technical proposals：
A kind of solid smelting furnace for solution heat treatment station boiler stainless steel tube row, it includes heating furnace, material charging and discharging device
And cooling device；The material charging and discharging device is located above the heating furnace along the heating furnace width；The heating furnace
Including burner hearth, basis is set, and burner hearth front side, rear side, left side and the upside are respectively provided with furnace lining, the furnace lining on the downside of the burner hearth
Outside sets steel plate；Fire door is set on the right side of the burner hearth, and the fire door is moveably mounted in frame；The burner hearth connects argon
Gas air inlet pipe and blast pipe；Installation oxygen concentration detection means and electrical heating wire in the burner hearth.
Further, hauling machine is installed, the hauling machine passes through with the fire door in the frame above the fire door
Pull rope links.
Further, the basis includes heat-insulation layer and the multiple pedestals being arranged above the heat-insulation layer.
Further, the material charging and discharging device includes two supports, two supports respectively positioned at the heating furnace it is left,
Right both sides, two supports lower sections are equipped with the first wheel；Crossbeam is installed above two supports, set on the crossbeam
The dolly that can be moved along crossbeam length direction is put, the second wheel is provided with below the dolly；The dolly bottom is provided with machinery
Arm.
Further, the cooling device includes multiple support bases, and support beam, the support are set above the support base
Beam is used for even support pipe row to be cooled, sets bellows below the support beam, the bellows top sets multiple shower nozzles, institute
State shower nozzle and connect the inner bellows.
Further, multiple water pipes are set between the bellows and the support beam, multiple water sprays are set on the water pipe
Head；The fountain head connects with the water pipe.
Further, the first electrically-controlled valve is provided with the argon inlet pipe, it is automatically controlled to be provided with second on the blast pipe
Valve；Also include central processing unit, the central processing unit and first electrically-controlled valve, second electrically-controlled valve and the oxygen are dense
Spend detection means electrical connection.
Further, installation thermocouple in the burner hearth, the central processing unit and the thermocouple and the electrical heating
Silk electrical connection.
The utility model has the following advantages that compared with prior art：
1. burner hearth connection argon inlet pipe and blast pipe described in this patent；Installation oxygen concentration detection dress in the burner hearth
Put；Argon gas can be passed through into burner hearth, oxygen is excluded, stainless steel tube aoxidizes during preventing solution heat treatment.
2. cooling device described in this patent includes multiple support bases, support beam, the support are set above the support base
Beam is used for even support pipe row to be cooled, sets bellows below the support beam, the bellows top sets multiple shower nozzles, institute
State shower nozzle and connect the inner bellows；Multiple water pipes are set between the bellows and the support beam, set on the water pipe more
Individual fountain head；The fountain head connects with the water pipe；This patent devises special cold bed, can be respectively adopted air cooling, it is air-cooled,
Water smoke cooling technique controls cooling velocity.
3. material charging and discharging device described in this patent includes two supports, two supports respectively positioned at the heating furnace it is left,
Right both sides, two supports lower sections are equipped with the first wheel；Crossbeam is installed above two supports, set on the crossbeam
The dolly that can be moved along crossbeam length direction is put, the second wheel is provided with below the dolly；The dolly bottom is provided with machinery
Arm；This patent devises special workpiece loading and discharge mechanism, it is possible to achieve workpiece is outside stove in the fast quick-mounting of furnace high-temperature
Carry and workpiece out of stove to the high temperature fast discharging outside stove, meet the particular/special requirement of stainless steel solution heat treatment.
Brief description of the drawings
Fig. 1 is heating furnace described in the utility model and the material charging and discharging device structure chart；
Fig. 2 is cooling device structure chart described in the utility model；
Fig. 3 is bellows described in the utility model and the nozzle structure figure；
Fig. 4 is infrastructure diagram described in the utility model；
Fig. 5 is the utility model electrical connection diagram；
In figure：101- supports, 102- crossbeams, 103- dollies, the wheels of 104- first, 105- mechanical arms, the wheels of 106- second,
201- burner hearths.202- steel plates, 203- electrical heating wires, 204- argon inlet pipes, 205- furnace linings, 206- bases, 2061- heat-insulation layers,
2062- pedestals, 207- blast pipes, 208- oxygen concentrations detection means, 209- fire doors, 210- frames, 211- hauling machines, 212- are led
Messenger, the electrically-controlled valves of 213- first, the electrically-controlled valves of 214- second, 215- thermocouples, 301- support beams, 302- support bases, 303- water pipes,
304- fountain heads, 305- bellows, 306- shower nozzles.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
In description of the present utility model, it is necessary to explanation, term " center ", " upper ", " under ", " left side ", " right side ", " erect
Directly the orientation of the instruction such as ", " level ", " interior ", " outside " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " it is only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " be connected ", " connection " it should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Referring to Fig. 1, a kind of solid smelting furnace for solution heat treatment station boiler stainless steel tube row, it includes heating furnace, dress
Drawing mechanism and cooling device；The material charging and discharging device is located above the heating furnace along the heating furnace width；Institute
Stating heating furnace includes burner hearth 201, sets basis 206 on the downside of the burner hearth, burner hearth front side, rear side, left side and the upside are all provided with
Furnace lining 205 is put, steel plate 202 is set on the outside of the furnace lining；Fire door 209 is set on the right side of the burner hearth, and the fire door is movably pacified
In frame 210；Hauling machine 211 is installed, the hauling machine passes through with the fire door in the frame above the fire door
Pull rope 212 links；The burner hearth connection argon inlet pipe 204 and blast pipe 207；Installation oxygen concentration detection in the burner hearth
Device 208 and electrical heating wire 203；Furnace length is heated described in the present embodiment and is more than 13.5 meters；The overcritical power station pot produced at present
Stove, ultra supercritical station boiler, the reheater of CFB station boilers and finishing superheater are all by the very big austenite of physical dimension
Stainless steel snake-like tube row forms, and size is maximum wide up to the long * 2m of 12m；This patent heating furnace size need not be elbow and stress
Annex weld seam etc. scales off, and can meet that station boiler stainless steel tube integrally carries out solution heat treatment, but this patent protection is unlimited
In this, the heating furnaces of the similar structures of other sizes is also within protection domain；And this patent can be passed through argon into burner hearth
Gas, oxygen is excluded, stainless steel tube aoxidizes during preventing solution heat treatment.
Referring to Fig. 4, the basis includes heat-insulation layer 2061 and the multiple pedestals 2062 being arranged above the heat-insulation layer；Protect
Warm layer can reduce scattering and disappearing for furnace heat, improve energy utilization rate；Pedestal is set to be easy to the handling of stainless steel tube.
Referring to Fig. 1, the material charging and discharging device includes two supports 101, and two supports are located at the heating furnace respectively
Arranged on left and right sides, two supports lower sections are equipped with the first wheel 104；Crossbeam 102, institute are installed above two supports
State and set on crossbeam and can be provided with the second wheel 106 along the dolly 103 that crossbeam length direction moves, the dolly lower section；It is described small
Car bottom is provided with mechanical arm 105；This patent devises special workpiece loading and discharge mechanism, it is possible to achieve workpiece is outside stove
To furnace high-temperature quick load and workpiece out of stove to the high temperature fast discharging outside stove, meet stainless steel solution heat treatment
The particular/special requirement of technique.
Referring to Fig. 2, Fig. 3, the cooling device includes multiple support bases 302, and support beam is set above the support base
301, the support beam is used for even support pipe row to be cooled, and bellows 305, the bellows top are set below the support beam
Multiple shower nozzles 306 are set, and the shower nozzle connects the inner bellows；Multiple water pipes are set between the bellows and the support beam
303, multiple fountain heads 304 are set on the water pipe；The fountain head connects with the water pipe；This patent devises special cold
Bed, air cooling can be respectively adopted, air-cooled, water smoke cooling technique controls cooling velocity；This patent feature is to be respectively adopted
Air cooling, air-cooled or water smoke cooling technique control cooling velocity.
Referring to Fig. 1, Fig. 5, the first electrically-controlled valve 213 is provided with the argon inlet pipe, is provided with the blast pipe
Two electrically-controlled valves 214；Also include central processing unit, the central processing unit and first electrically-controlled valve, second electrically-controlled valve and
The oxygen concentration detection means electrical connection；The concentration of oxygen, signal is passed in oxygen concentration detection means detection burner hearth
Central processing unit, central processing unit signal Analysis, when oxygen concentration is more than setting value, open the first electrically-controlled valve and second automatically controlled
Valve, injects argon gas into burner hearth, discharges oxygen, when oxygen concentration be less than setting value, the first electrically-controlled valve of closing and second automatically controlled
Valve.
Referring to Fig. 4, Fig. 5, installation thermocouple 215 in the burner hearth, the central processing unit and the thermocouple and described
Electrical heating wire electrically connects；Temperature in thermocouple real-time monitoring hearth, central processing unit is according to the signal of thermocouple transmission, adjustment
The heating power of electrical heating wire, and then adjust the temperature of burner hearth.
The course of work：Hauling machine is opened, by pull rope by oven door opening, material charging and discharging device is by mechanical arm by stainless steel
Pipe is put on the pedestal in stove, closes fire door, and thermocouple starts to gather and transmits burner hearth and workpiece temperature signal, then opens
First electrically-controlled valve and the second electrically-controlled valve, argon gas is passed through into heating furnace, and when oxygen concentration reaches setting value, it is automatically controlled to close first
Valve and the second electrically-controlled valve.Be then turned on electrical heating wire, after being heated to the stipulated time, reach predetermined holding temperature and soaking time it
Afterwards, electrical heating wire is closed, opens fire door, material charging and discharging device takes out rapidly stainless steel tube out of heating furnace, is put into cooling device
In support beam, cooling device is started working, and air cooling, air-cooled or water spray cooling mode are selected according to technological requirement.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (8)
- A kind of 1. solid smelting furnace for solution heat treatment station boiler stainless steel tube row, it is characterised in that：Including heating furnace, take on Expect device and cooling device；The material charging and discharging device is located above the heating furnace along the heating furnace width；It is described Heating furnace includes burner hearth, sets basis on the downside of the burner hearth, burner hearth front side, rear side, left side and the upside are respectively provided with furnace lining, institute State and steel plate is set on the outside of furnace lining；Fire door is set on the right side of the burner hearth, and the fire door is moveably mounted in frame；The burner hearth Connect argon inlet pipe and blast pipe；Installation oxygen concentration detection means and electrical heating wire in the burner hearth.
- 2. the solid smelting furnace according to claim 1 for solution heat treatment station boiler stainless steel tube row, it is characterised in that： Hauling machine is installed, the hauling machine is linked with the fire door by pull rope in the frame above the fire door.
- 3. the solid smelting furnace according to claim 2 for solution heat treatment station boiler stainless steel tube row, it is characterised in that： The basis includes heat-insulation layer and the multiple pedestals being arranged above the heat-insulation layer.
- 4. the solid smelting furnace according to claim 3 for solution heat treatment station boiler stainless steel tube row, it is characterised in that： The material charging and discharging device includes two supports, and two supports are located at the heating furnace arranged on left and right sides, two branch respectively The first wheel is equipped with below frame；Crossbeam is installed, being set on the crossbeam can be along crossbeam length side above two supports To mobile dolly, the second wheel is provided with below the dolly；The dolly bottom is provided with mechanical arm.
- 5. the solid smelting furnace according to claim 4 for solution heat treatment station boiler stainless steel tube row, it is characterised in that： The cooling device includes multiple support bases, sets support beam above the support base, the support beam is treated for even support The pipe row of cooling, the support beam lower section set bellows, and the bellows top sets multiple shower nozzles, and the shower nozzle connects the wind Inside case.
- 6. the solid smelting furnace according to claim 5 for solution heat treatment station boiler stainless steel tube row, it is characterised in that： Multiple water pipes are set between the bellows and the support beam, multiple fountain heads are set on the water pipe；The fountain head and institute State water pipe connection.
- 7. the solid smelting furnace according to claim 6 for solution heat treatment station boiler stainless steel tube row, it is characterised in that： The first electrically-controlled valve is provided with the argon inlet pipe, the second electrically-controlled valve is provided with the blast pipe；Also include central processing Device, the central processing unit electrically connect with first electrically-controlled valve, second electrically-controlled valve and the oxygen concentration detection means.
- 8. the solid smelting furnace according to claim 7 for solution heat treatment station boiler stainless steel tube row, it is characterised in that： Installation thermocouple, the central processing unit electrically connect with the thermocouple and the electrical heating wire in the burner hearth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720714935.5U CN206940953U (en) | 2017-06-16 | 2017-06-16 | A kind of solid smelting furnace for solution heat treatment station boiler stainless steel tube row |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720714935.5U CN206940953U (en) | 2017-06-16 | 2017-06-16 | A kind of solid smelting furnace for solution heat treatment station boiler stainless steel tube row |
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| CN206940953U true CN206940953U (en) | 2018-01-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107022670A (en) * | 2017-06-16 | 2017-08-08 | 阿美科福斯特惠勒动力机械有限公司 | A kind of solid smelting furnace arranged for solution heat treatment station boiler stainless steel tube |
-
2017
- 2017-06-16 CN CN201720714935.5U patent/CN206940953U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107022670A (en) * | 2017-06-16 | 2017-08-08 | 阿美科福斯特惠勒动力机械有限公司 | A kind of solid smelting furnace arranged for solution heat treatment station boiler stainless steel tube |
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