CN207334702U - A kind of afterheat of converter gas retracting device - Google Patents
A kind of afterheat of converter gas retracting device Download PDFInfo
- Publication number
- CN207334702U CN207334702U CN201721260726.4U CN201721260726U CN207334702U CN 207334702 U CN207334702 U CN 207334702U CN 201721260726 U CN201721260726 U CN 201721260726U CN 207334702 U CN207334702 U CN 207334702U
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- Prior art keywords
- boiler
- converter
- afterheat
- coal gas
- heat
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Abstract
The utility model provides a kind of afterheat of converter gas retracting device, including coal gas of converter cooler, heat pipe and boiler, the coal gas of converter cooler is connected by multiple heat pipes with the boiler, steam pipe network is equipped with above the boiler, the boiler is connected by feed pipe with the steam pipe network.In the utility model, 900 1000 DEG C of the coal gas of converter from gasification cooling flue exchanges heat in coal gas of converter cooler with heat pipe, liquid phase working fluid in heat pipe undergo phase transition after by heat band to boiler, saturated vapor is produced in boiler and transports to steam pipe network, coal gas of converter cooler is connected with waste heat boiler by heat pipe, makes the separation that both are appropriate, avoids influence of the possible venting of dust explosion to boiler, and because heat pipe has very high heat transfer system, so as to ensure the efficient of heat exchange.
Description
Technical field
It the utility model is related to afterheat of converter gas recycling field, more particularly to a kind of afterheat of converter gas retracting device.
Background technology
A large amount of high temperature coal gas of converter are produced in convertor steelmaking process, it is the important secondary energy sources of steel plant.Coal gas of converter
900-1000 DEG C usually is cooled to by gasification cooling flue, is then usually cooled to by spray cooling, dry-dedusting system
150-200 DEG C, and wet dedusting is directly cooled to 70-85 DEG C, this not only consumes water resource, also wastes the waste heat of coal gas.Turn
The recycling of producer gas waste heat is primarily present following difficulty, first, containing substantial amounts of dust in coal gas of converter, causes waste heat pot
Stove deashing is difficult, second, converter smelting is periodic, is possible to explode in coal gas and air alternation procedure, so as to boiler
Security constitute a threat to.
It is therefore desirable to design a kind of afterheat of converter gas retracting device, to overcome the above problem, possible venting of dust explosion is avoided
Influence to boiler.
Utility model content
The purpose of the utility model is to overcome the defect of the prior art, there is provided a kind of afterheat of converter gas recycling dress
Put, so that boiler is suitably separated with coal gas of converter, avoid influence of the possible venting of dust explosion to boiler.
The utility model is realized in this way：
The utility model provides a kind of afterheat of converter gas retracting device, including coal gas of converter cooler, heat pipe and boiler,
The coal gas of converter cooler is connected by multiple heat pipes with the boiler, and steam pipe network is equipped with above the boiler,
The boiler is connected by feed pipe with the steam pipe network.
Further, each heat pipe is obliquely installed, and each heat pipe and the height of the connecting pin of the boiler are equal
Higher than the connecting pin of each heat pipe and the coal gas of converter cooler.
Further, each described heat pipe one end with the coal gas of converter cooler welding, and each heat pipe other end
Welded with the boiler.
Further, gland steam exhauster is equipped with above the boiler, drainpipe, the gland steam exhauster and row are equipped with below the boiler
Water pipe is connected with the boiler.
Further, the shock-wave ash-clearing device for deashing is equipped with the coal gas of converter cooler.
Further, the coal gas of converter cooler bottom is equipped with ash bucket, and the hopper bottom opening is turned over equipped with bilayer
Plate valve, the ash bucket lower section are equipped with ash cellar.
Further, the pipeline of the coal gas of converter cooler is externally provided with the outer fin for improving heat exchange efficiency.
Further, inner fin is equipped with each heat pipe, and the inner fin is two panels, wherein a piece of inner fin erects
Nogata is horizontally arranged to setting, another inner fin.
Further, the boiler is equipped with pressure detector, temperature detector and controller, the pressure detector
It is electrically connected with temperature detector with the controller.
The utility model has the advantages that：
1st, a kind of afterheat of converter gas retracting device provided by the utility model, by heat pipe by coal gas of converter cooler with
Waste heat boiler is connected, and makes the separation that both are appropriate, avoids influence of the possible venting of dust explosion to boiler.
2nd, a kind of afterheat of converter gas retracting device provided by the utility model, because heat pipe has very high heat transfer system,
So as to ensure the efficient of heat exchange.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure chart for the afterheat of converter gas retracting device that the utility model embodiment provides；
1：Coal gas of converter cooler；2：Heat pipe；3：Boiler；4：Feed pipe；5：Exhaust line；6：Drainpipe；7：Steam pipe
Net；8：Shock-wave ash-clearing device.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Such as Fig. 1, the utility model embodiment provides a kind of afterheat of converter gas retracting device, including coal gas of converter cooler
1st, heat pipe 2 and boiler 3, the coal gas of converter cooler 1 are connected by multiple heat pipes 2 with the boiler 3, the boiler
3 tops are equipped with steam pipe network 7, and the boiler 3 is connected by feed pipe 4 with the steam pipe network 7.The utility model embodiment
In, in coal gas of converter cooler 1, (coal gas of converter cooler 1 is 900-1000 DEG C of the coal gas of converter from gasification cooling flue
Square, alternatively referred to as coal gas of converter pipeline) in exchange heat with heat pipe 2, the liquid phase working fluid in heat pipe 2 undergo phase transition after by heat
Band is to boiler 3, and generation saturated vapor transports to steam pipe network 7 in boiler 3.After gas-phase working medium in heat pipe 2 is condensed into liquid, weight
Newly flow back in gaspipe line 1, so repeatedly.A kind of afterheat of converter gas retracting device provided by the utility model, passes through heat pipe
Coal gas of converter cooler is connected with waste heat boiler, makes the separation that both are appropriate, avoids influence of the possible venting of dust explosion to boiler, and
Because heat pipe has very high heat transfer system, so as to ensure the efficient of heat exchange.
Optimize above-described embodiment, as shown in Figure 1, each heat pipe 2 is obliquely installed, and each heat pipe 2 and the boiler 3
Connecting pin height higher than each heat pipe 2 and the coal gas of converter cooler 1 connecting pin.The heat pipe 2 is equipped with certain
Angle of inclination, be conducive to the reflux of hot liquid in pipe, after the gas-phase working medium in heat pipe 2 is condensed into liquid, flow back to gas pipe again
In road 1, as one of embodiment of above, 1 coal gas of converter cooler 1 of coal gas of converter cooler is square, alternatively referred to as converter
Gaspipe line, and the coal gas of converter pipeline is equipped with cooling device.
Optimize above-described embodiment, as shown in Figure 1, each 2 one end of the heat pipe is welded with the coal gas of converter cooler 1,
And each heat pipe 2) other end welds with the boiler 3.
Optimize above-described embodiment, as shown in Figure 1, the top of the boiler 3 is equipped with gland steam exhauster 5, the lower section of boiler 3 is equipped with row
Water pipe 6, the gland steam exhauster 5 and drainpipe 6 are connected with the boiler 3.The drainpipe 6 facilitates the boiler 3 to be arranged
Water, the gland steam exhauster 5 facilitate the boiler 3 to carry out row's steam.
Optimize above-described embodiment, as shown in Figure 1, being equipped with the shock-wave ash-clearing for deashing in the coal gas of converter cooler 1
Device 8.Contain substantial amounts of dust in coal gas of converter, the shock-wave ash-clearing device 8 is convenient to remove the substantial amounts of ash contained in coal gas of converter
Dirt.
Optimize above-described embodiment, as shown in Figure 1,1 bottom of coal gas of converter cooler is equipped with ash bucket, the hopper bottom
Opening is equipped with double-layer flap valve, and ash cellar is equipped with below the ash bucket.Ash bucket is arranged at 1 bottom of gaspipe line, and dust is turned over by bilayer
Dust is discharged into ash cellar by plate valve.
Optimize above-described embodiment, as shown in Figure 1, the pipeline of the coal gas of converter cooler 1 is externally provided with for improving heat exchange
The outer fin of efficiency.When extratubal fluid film coefficient of heat transfer is smaller than tube fluid film coefficient of heat transfer, it is necessary to conduct heat in pipe external expansion
Face, increases film coefficient of heat transfer, and outer finned round tube has longitudinal straight fins pipe and transverse finned tube etc., and transverse finned tube has round fin
The types such as pipe, spiral fin coil, fan-shaped finned tube, wavy spiral fin coil.
Optimize above-described embodiment, as shown in Figure 1, inner fin is equipped with each heat pipe 2, and the inner fin is two
Piece, wherein a piece of inner fin vertical direction is set, another inner fin is horizontally arranged.In order to ensure ash-removal effect, heat pipe 2
Only vertical two panels fin.
Optimize above-described embodiment, as shown in Figure 1, the boiler 3 is equipped with pressure detector, temperature detector and control
Device, the pressure detector and temperature detector are electrically connected with the controller.When the pressure mistake that pressure detector detects
Gao Shi, or when temperature detector detects that temperature is excessive, open the gland steam exhauster 5 and facilitate the boiler 3 to carry out row's steam, have
Beneficial to reduction pressure and reduce temperature.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Protection domain within.
Claims (9)
- A kind of 1. afterheat of converter gas retracting device, it is characterised in that：Including coal gas of converter cooler (1), heat pipe (2) and boiler (3), the coal gas of converter cooler (1) is connected by multiple heat pipes (2) with the boiler (3), on the boiler (3) Side is equipped with steam pipe network (7), and the boiler (3) is connected by feed pipe (4) with the steam pipe network (7).
- 2. afterheat of converter gas retracting device as claimed in claim 1, it is characterised in that：Each heat pipe (2) tilts and sets Put, and each heat pipe (2) and the height of the connecting pin of the boiler (3) are above each heat pipe (2) and the converter coal The connecting pin of Gas Cooler (1).
- 3. afterheat of converter gas retracting device as claimed in claim 1, it is characterised in that：Each heat pipe (2) one end with Coal gas of converter cooler (1) welding, and each heat pipe (2) other end is welded with the boiler (3).
- 4. afterheat of converter gas retracting device as claimed in claim 1, it is characterised in that：The row of being equipped with above the boiler (3) Steam pipe (5), is equipped with drainpipe (6) below the boiler (3), the gland steam exhauster (5) and drainpipe (6) with the boiler (3) It is connected.
- 5. afterheat of converter gas retracting device as claimed in claim 1, it is characterised in that：The coal gas of converter cooler (1) In be equipped with for deashing shock-wave ash-clearing device (8).
- 6. afterheat of converter gas retracting device as claimed in claim 1, it is characterised in that：The coal gas of converter cooler (1) Bottom is equipped with ash bucket, and the hopper bottom opening is equipped with double-layer flap valve, ash cellar is equipped with below the ash bucket.
- 7. afterheat of converter gas retracting device as claimed in claim 1, it is characterised in that：The coal gas of converter cooler (1) Pipeline be externally provided with outer fin for improving heat exchange efficiency.
- 8. afterheat of converter gas retracting device as claimed in claim 1, it is characterised in that：It is equipped with each heat pipe (2) Inner fin, and the inner fin is two panels, wherein a piece of inner fin vertical direction is set, another inner fin horizontal direction is set Put.
- 9. afterheat of converter gas retracting device as claimed in claim 1, it is characterised in that：The boiler (3) is equipped with pressure Detector, temperature detector and controller, the pressure detector and temperature detector are electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721260726.4U CN207334702U (en) | 2017-09-28 | 2017-09-28 | A kind of afterheat of converter gas retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721260726.4U CN207334702U (en) | 2017-09-28 | 2017-09-28 | A kind of afterheat of converter gas retracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207334702U true CN207334702U (en) | 2018-05-08 |
Family
ID=62367115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721260726.4U Active CN207334702U (en) | 2017-09-28 | 2017-09-28 | A kind of afterheat of converter gas retracting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207334702U (en) |
-
2017
- 2017-09-28 CN CN201721260726.4U patent/CN207334702U/en active Active
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