CN207262412U - Pusher-type furnace Vaporizing cooling is from deaerating plant - Google Patents
Pusher-type furnace Vaporizing cooling is from deaerating plant Download PDFInfo
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- CN207262412U CN207262412U CN201721108033.3U CN201721108033U CN207262412U CN 207262412 U CN207262412 U CN 207262412U CN 201721108033 U CN201721108033 U CN 201721108033U CN 207262412 U CN207262412 U CN 207262412U
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Abstract
The utility model provides a kind of pusher-type furnace Vaporizing cooling includes oxygen-eliminating device, drum and heat exchanging water pipe's group from deaerating plant, device.The heat that the saturated water that oxygen-eliminating device is isolated is absorbed in preheating horizontal water tube forms carbonated drink compound, and flow back in oxygen-eliminating device and circulated with this again, so that the waste heat of the low-temperature region in preheating horizontal water tube recycling heating furnace burner hearth, that is, absorb fume afterheat in burner hearth and produce low-pressure saturated steam to remove into the oxygen-containing feedwater in oxygen-eliminating device；At the same time, by setting heating horizontal water tube and soaking horizontal water tube, the waste heat in the senior middle school region in heating furnace burner hearth is recycled, can be when the flue gas heat for preheating horizontal water tube absorption reach deoxygenation requirement, by adjusting steam control valve, extraction auxiliary deoxygenation steam is filled into oxygen-eliminating device from drum；Solve and in Vaporizing cooling mode in the prior art Steel In Reheating Furnace base residual heat resources are recycled with deficiency, and the technical problem that deoxygenation resource consumption is big, deoxygenation energy utilization rate is low.
Description
Technical field
It the utility model is related to and push away steel heater cooling technology field, specifically, be related to a kind of pusher-type furnace vapour
Change cooling from deaerating plant.
Background technology
Pusher-type furnace, or be steel-pushing type continuous heating furnace, is a to complete blank in stove by pusher and move
Continuous furnace.Pusher-type furnace under existing process in heating process, the support steel billet in heating furnace have to water temperature compared with
Stringent temperature requirement is, it is necessary to which certain cooling technique carries out temperature control to it.The steel-pushing type that steel rolling mill under the prior art uses
Heating furnace generally uses two kinds of water pipe cooling modes of water cooling and Vaporizing cooling, to ensure the water pipe of heating furnace inner support steel billet limit temperature
Requirement, but long-term production and practice in find, all there are certain technical problem for the above two type of cooling：
1) water-cooling pattern does not recycle the waste heat of burner hearth inner conduit not only, it is also necessary to consumes substantial amounts of cooling water and other energy
The normal operation of water-cooling system could be maintained, because excessive cooling cost and limited waste heat recovery efficiency, existing
Production technology in, the type of cooling of water cooling is progressively substituted；
2) Vaporization Cooling is absorbed heat using water vapor, takes away a kind of type of cooling of cooled object heat.By water
The limitation of evaporation conditions, under normal conditions Vaporizing cooling be only applicable to High-temperature cooling object.For same cooling system, vapour is used
Change cooling needed for water be only temperature rise be 10 DEG C when water cooling water 2%, and less with 90% amount of makeup water, Vaporizing cooling
Caused steam can also utilize, or generate electricity by way of merging two or more grid systems.
So Vaporizing cooling mode can not only recovery waste heat, and run consumption the energy it is seldom, it has also become push away at present
The mainstream type of cooling of steel formula heating furnace waste heat recovery.In the prior art, steel plant are generated electricity using saturated vapor mostly, to heating
Oxygen content is more demanding in the steam of stove evaporated cooling system, and the saturated vapor of generation is usually all passed directly into heat by steel plant
Feedwater deaeration after the heating of power oxygen-eliminating device, such Deoxidization method are relatively low to the utilization ratio of the energy.
In view of this, the prior art should be improved, to solve above-mentioned technical problem existing in the prior art.
Utility model content
In order to solve the above-mentioned technical problem the utility model is made, the purpose is to provide one kind to recycle heating
The pusher-type furnace Vaporizing cooling of the waste heat in steel billet water pipe is supported in stove operational process from deaerating plant.
To achieve these goals, the utility model provides a kind of pusher-type furnace Vaporizing cooling from deaerating plant,
Device includes oxygen-eliminating device, drum and heat exchanging water pipe's group, and the water inlet of the oxygen-eliminating device is connected with external world's feedwater, its first water outlet
Mouth and the second water outlet are connected with the water inlet of the drum with the first water inlet that the heat exchanging water pipe organizes respectively, the drum
Water outlet connected with the second water inlet that the heat exchanging water pipe organizes, the first of heat exchanging water pipe group, which goes out carbonated drink mouthful and second, goes out
Carbonated drink mouthful connects with the oxygen-eliminating device and the drum respectively, wherein, external world's feedwater is full by being formed after oxygen-eliminating device deoxygenation heating
And water, the saturated water part are discharged into heat exchanging water pipe's group, absorb and form the first carbonated drink after the waste heat in heating furnace and mix
Compound is flow back in the oxygen-eliminating device, and the oxygen-eliminating device and the heat exchange hot-water line group form the first steam/water circulating, the saturated water
Another part be discharged into the drum after, then be discharged into heat exchanging water pipe's group, absorb and the is formed after the waste heat of heating furnace burner hearth
Two steam water interfaces return to the drum, and the drum and the heat exchanging water pipe organize to form the second steam/water circulating.
Preferably, heat exchanging water pipe's group can include preheating horizontal water tube, distribution header, heating horizontal water tube and vertical water
Pipe, wherein, the water inlet of the preheating horizontal water tube is first water inlet, is connected with the second water outlet of the oxygen-eliminating device,
Its venthole goes out carbonated drink mouthful for described first, is connected with the air intake of the oxygen-eliminating device；The water inlet of the distribution header is institute
The second water inlet is stated, is connected with the water outlet of the drum, multiple water outlets of the distribution header are horizontal with the heating respectively
The water inlet connection of water pipe, vertical water pipe, described second, which goes out carbonated drink mouthful, includes the venthole of the heating horizontal water tube and described vertical
The venthole of water pipe.
It is further preferred that the preheating horizontal water tube can be along Steel In Reheating Furnace base advance side with the heating horizontal water tube
To setting, less than the temperature of the heating horizontal water tube, the vertical water pipe can be arranged at described the temperature of the preheating horizontal water tube
Preheat the top of horizontal water tube and the heating horizontal water tube.
Further preferably, heat exchanging water pipe's group can also include soaking horizontal water tube, the soaking horizontal water tube into
The mouth of a river can be connected with the water outlet of the distribution header, and described second, which goes out carbonated drink mouth, includes the water outlet of the soaking horizontal water tube
Mouthful.
It is further preferred that the soaking horizontal water tube can be arranged on the preheating horizontal water tube along steel billet direction of advance
With the front of the heating horizontal water tube, the temperature of the soaking horizontal water tube is equal to or higher than the temperature of the heating horizontal water tube, institute
The top of the soaking horizontal water tube can be arranged at by stating vertical water pipe.
It is further preferred that the preheating horizontal water tube, heating horizontal water tube, soaking horizontal water tube can pass through at least one respectively
A list column is fixed on the bottom of heating furnace, and the list column can be with the preheating horizontal water tube, heating horizontal water tube, the horizontal water of soaking
Pipe can be respectively communicated with.
Preferably, core pipe is provided with single column, groove, the opening court of the groove is provided with above the core pipe
Set to the direction flowed in face of carbonated drink in pipe.
Preferably, the temperature where the preheating horizontal water tube in burner hearth is in the range of 600 degrees Celsius to 1000 degrees Celsius,
Temperature where the heating horizontal water tube in burner hearth is in the range of 1000 degrees Celsius to 1400 degrees Celsius, the soaking horizontal water tube
Temperature in the burner hearth of place is in the range of 1000 degrees Celsius to 1400 degrees Celsius.
Preferably, feed pump is provided with the pipeline that the oxygen-eliminating device can be connected with the drum.
Preferably, the first venthole of the drum can be connected with the air intake of the oxygen-eliminating device, and the of the drum
Steam control valve, the second venthole of the drum are provided with the pipeline that one venthole is connected with the air intake of the oxygen-eliminating device
Connected with external steam pipe network.
Understood as described above with practice, pusher-type furnace Vaporizing cooling described in the utility model is filled from deoxygenation
Put by setting the preheating horizontal water tube being connected with oxygen-eliminating device, the saturated water that oxygen-eliminating device is isolated absorbs the heat in preheating horizontal water tube
Carbonated drink compound is formed, and flows back in oxygen-eliminating device and is circulated with this again so that is in preheating horizontal water tube recycling heating furnace burner hearth low
The waste heat of temperature area, that is, absorb burner hearth in fume afterheat produce low-pressure saturated steam come remove into oxygen-eliminating device it is oxygen-containing to
Water；Meanwhile by setting heating horizontal water tube and soaking horizontal water tube, the waste heat in the senior middle school region in heating furnace burner hearth is recycled, can be with
When the flue gas heat for preheating horizontal water tube absorption does not reach deoxygenation requirement, by adjusting steam control valve, extracted out from drum
Auxiliary deoxygenation steam is filled into oxygen-eliminating device；Solve in Vaporizing cooling mode in the prior art to Steel In Reheating Furnace base residual heat resources
Recycling deficiency, and the technical problem that deoxygenation resource consumption is big, deoxygenation energy utilization rate is low.
Brief description of the drawings
Fig. 1 is schematic diagram, shows the pusher-type furnace Vaporizing cooling described in one embodiment of the utility model
From the structure of deaerating plant；
Fig. 2 is sectional view, shows that the single column from deaerating plant of the pusher-type furnace Vaporizing cooling shown in Fig. 1 cuts open
Depending on structure.
Embodiment
Pusher-type furnace Vaporizing cooling described in the utility model is described from deaerating plant below with reference to the accompanying drawings
Embodiment.Those of ordinary skill in the art will recognize, in the case of the spirit and scope without departing from the utility model,
The described embodiments may be modified in various different ways.Therefore, attached drawing and description are inherently illustrative
, it is not intended to limit the scope of the claims.In addition, in the present specification, attached drawing is drawn not in scale, and phase
With the identical part of reference numeral expression.
Fig. 1 is schematic diagram, shows the pusher-type furnace Vaporizing cooling described in one embodiment of the utility model
From the structure of deaerating plant, arrow shows the direction of vapour-liquid flowing in figure.An as shown in Figure 1, implementation of the utility model
Pusher-type furnace Vaporizing cooling described in example includes oxygen-eliminating device 1, drum 2 and heat exchanging water pipe's group from deaerating plant.Oxygen-eliminating device
Water inlet 11 is connected with external world's feedwater, its first water outlet and the second water outlet respectively with drum water inlet 21 and heat exchanging water pipe
First water inlet of group connects, and feed pump 3, drum venthole 22 and deoxygenation are provided with the pipeline that oxygen-eliminating device 1 is connected with drum 2
Steam control valve 4 is provided with the pipeline that device air intake 12 connects.Drum water outlet 23 and the second water inlet of heat exchanging water pipe's group
Connection, the first of heat exchanging water pipe's group, which goes out carbonated drink mouthful and second, goes out carbonated drink mouth and is connected respectively with oxygen-eliminating device 1 and drum 2.External world's feedwater
Saturated water is isolated by oxygen-eliminating device 1, the saturated water is partly into heat exchanging water pipe's group, oxygen-eliminating device is flow back to after heat exchange
In 1, after another part of saturated water is discharged into drum 2, then heat exchanging water pipe's group is discharged into, is circulated with this.In other of the utility model
In embodiment, a part of saturated vapor can also be sent into external steam pipe network, to further improve recycling efficiency, but
The embodiment not limited to this of the utility model.
Specifically, heat exchanging water pipe group include preheat horizontal water tube 5, heating horizontal water tube 6, soaking horizontal water tube 7, indulge water pipe 8 with
And distribution header 9.The direction that preheating horizontal water tube 5, heating horizontal water tube 6 and soaking horizontal water tube 7 advance along Steel In Reheating Furnace base
Set, wherein soaking horizontal water tube 7 is arranged on preheating horizontal water tube 5 and is arranged at and heats with heating the front of horizontal water tube 6, vertical water pipe 8
In stove on the vertical direction of steel billet direction of advance, and positioned at the upper of preheating horizontal water tube 5, heating horizontal water tube 6 and soaking horizontal water tube 7
Side.Preheating horizontal water tube 5, heating horizontal water tube 6, soaking horizontal water tube 7 are fixed on the bottom of heating furnace by multiple single columns 100 respectively
Portion, Fig. 2 are sectional view, show the section view knot of the single column from deaerating plant of the pusher-type furnace Vaporizing cooling shown in Fig. 1
Structure, the direction of arrow is the direction of carbonated drink flowing in single column in figure.As shown in Fig. 2, it is provided with core pipe 101, core in single column 100
The top of pipe 101 is provided with groove 102, and the opening of groove 102 is towards in face of the flow direction of carbonated drink in pipe.
In the embodiment of the utility model, the temperature in 5 place burner hearth of horizontal water tube is preheated at 600 degrees Celsius to 1000
In the range of degree Celsius, the temperature in 6 place burner hearth of horizontal water tube is heated in the range of 1000 degrees Celsius to 1400 degrees Celsius,
Temperature in hot 7 place burner hearth of horizontal water tube in the range of 1000 degrees Celsius to 1400 degrees Celsius, wherein, soaking horizontal water tube 7
Temperature is equal to or higher than the temperature of heating Hengshui pipe 6.
It is first water inlet to preheat horizontal water tube water inlet 51, is connected with oxygen-eliminating device water outlet 13, preheats horizontal water tube
Venthole 52 is connected with oxygen-eliminating device air intake.It is second water inlet to distribute header water inlet, is connected with drum water outlet 23,
Water inlet of the multiple water outlets of header 9 respectively with heating horizontal water tube 6, soaking horizontal water tube 7 and vertical water pipe 8 is distributed to connect.Add
Hot horizontal water tube venthole 61 and vertical water pipe venthole 71 and soaking horizontal water tube venthole are connected with drum 2 respectively.
When pusher-type furnace Vaporizing cooling described in the utility model from deaerating plant in actual use, 30 degrees Celsius
External world's feedwater is drained into oxygen-eliminating device 9, and oxygen-eliminating device 9 forms saturated water to entering after the extraneous feedwater in it carries out deoxygenation heating.Shape
Into saturated water a part drain into preheating horizontal water tube 6 in, absorb heating furnace burner hearth in waste heat after form the first steam-water mixing
Thing, first steam water interface are drained back in oxygen-eliminating device 9, and such oxygen-eliminating device 9 and preheating horizontal water tube 6 form the first carbonated drink
Circulation；Another part of the saturated water of formation squeezes into heel row in drum 2 by feed pump 1 and, to distributing in header 3, distributes header 3
Saturation moisture is assigned in heating horizontal water tube 5, soaking horizontal water tube 4 and vertical water pipe 7 by multiple water outlets, and saturated water absorbs heating furnace
The second steam water interface is formed after waste heat in burner hearth, the second steam water interface returns to the drum 2, in this way, drum 2 and heating
Horizontal water tube 5, soaking horizontal water tube 4 and vertical water pipe 7 form the second steam/water circulating.The saturated vapor part isolated in drum 2
Discharged from the first venthole of drum 2 and drain into the make-up gas in oxygen-eliminating device 9 as heating steam, another part passes through second
Venthole drains into external steam pipe network.
Understood as described above with practice, pusher-type furnace Vaporizing cooling described in the utility model is filled from deoxygenation
Put by setting the preheating horizontal water tube being connected with oxygen-eliminating device, the saturated water that oxygen-eliminating device is isolated absorbs the heat in preheating horizontal water tube
Carbonated drink compound is formed, and flows back in oxygen-eliminating device and is circulated with this again so that is in preheating horizontal water tube recycling heating furnace burner hearth low
The waste heat of temperature area, that is, absorb burner hearth in fume afterheat produce low-pressure saturated steam come remove into oxygen-eliminating device it is oxygen-containing to
Water；Meanwhile by setting heating horizontal water tube and soaking horizontal water tube, the waste heat in the senior middle school region in heating furnace burner hearth is recycled, can be with
When the flue gas heat for preheating horizontal water tube absorption does not reach deoxygenation requirement, by adjusting steam control valve, extracted out from drum
Auxiliary deoxygenation steam is filled into oxygen-eliminating device；Solve in Vaporizing cooling mode in the prior art to Steel In Reheating Furnace base residual heat resources
Recycling deficiency, and the technical problem that deoxygenation resource consumption is big, deoxygenation energy utilization rate is low.
Described in an illustrative manner above with reference to attached drawing cold according to pusher-type furnace described in the utility model vaporization
But from deaerating plant.It will be understood by those skilled in the art, however, that the steel-pushing type proposed for above-mentioned the utility model heats
Stove Vaporizing cooling can also make various improvement from deaerating plant on the basis of the utility model content is not departed from.Therefore, originally
The protection domain of utility model should be determined by the content of appended claims.
Claims (10)
1. a kind of pusher-type furnace Vaporizing cooling is from deaerating plant, it is characterised in that device includes oxygen-eliminating device, drum and changes
Hot-water line group, the water inlet of the oxygen-eliminating device are connected with external world's feedwater, its first water outlet and the second water outlet respectively with it is described
The water inlet of drum is connected with the first water inlet that the heat exchanging water pipe organizes, the water outlet of the drum and heat exchanging water pipe's group
The connection of the second water inlet, the first of heat exchanging water pipe group go out carbonated drink mouthful and second go out carbonated drink mouthful respectively with the oxygen-eliminating device and
The drum connection, wherein,
For external world's feedwater by forming saturated water after oxygen-eliminating device deoxygenation heating, the saturated water part is discharged into the heat exchanging water pipe
Group, forms the first steam water interface and flows back in the oxygen-eliminating device after absorbing the waste heat of heating furnace burner hearth, the oxygen-eliminating device and described
Heat exchanging water pipe organizes to form the first steam/water circulating, after another part of the saturated water is discharged into the drum, then is discharged into described change
Hot-water line group, absorbs and the second steam water interface is formed after the waste heat of heating furnace burner hearth returns to the drum, the drum and described
Heat exchanging water pipe organizes to form the second steam/water circulating.
2. pusher-type furnace Vaporizing cooling as claimed in claim 1 is from deaerating plant, it is characterised in that the heat exchanging water pipe
Group includes preheating horizontal water tube, distribution header, heating horizontal water tube and vertical water pipe, wherein,
The water inlet of the preheating horizontal water tube is first water inlet, is connected with the second water outlet of the oxygen-eliminating device, it goes out
Steam ports goes out carbonated drink mouthful for described first, is connected with the air intake of the oxygen-eliminating device；
The water inlet of the distribution header is second water inlet, is connected with the water outlet of the drum, the distribution header
Water inlet of multiple water outlets respectively with the heating horizontal water tube, vertical water pipe connect,
Described second, which goes out carbonated drink mouthful, includes the venthole of the heating horizontal water tube and the venthole of the vertical water pipe.
3. pusher-type furnace Vaporizing cooling as claimed in claim 2 is from deaerating plant, it is characterised in that the horizontal water of preheating
Pipe is set with the horizontal water tube that heats along Steel In Reheating Furnace base direction of advance, and the temperature of the preheating horizontal water tube adds less than described
The temperature of hot horizontal water tube, the vertical water pipe are arranged at the top of the preheating horizontal water tube and the heating horizontal water tube.
4. pusher-type furnace Vaporizing cooling as claimed in claim 3 is from deaerating plant, it is characterised in that the heat exchanging water pipe
Group further includes soaking horizontal water tube, and the water inlet of the soaking horizontal water tube is connected with the water outlet of the distribution header, and described second
Going out carbonated drink mouth includes the water outlet of the soaking horizontal water tube.
5. pusher-type furnace Vaporizing cooling as claimed in claim 4 is from deaerating plant, it is characterised in that the horizontal water of soaking
Pipe is arranged on the preheating horizontal water tube and the heating horizontal water tube front, the temperature of the soaking horizontal water tube along steel billet direction of advance
Degree is equal to or higher than the temperature of the heating horizontal water tube, and the vertical water pipe is arranged at the top of the soaking horizontal water tube.
6. pusher-type furnace Vaporizing cooling as claimed in claim 5 is from deaerating plant, it is characterised in that the horizontal water of preheating
Pipe, heating horizontal water tube, soaking horizontal water tube are fixed on the bottom of heating furnace by least one single column respectively, the list column with
The preheating horizontal water tube, heating horizontal water tube, soaking horizontal water tube are respectively communicated with.
7. pusher-type furnace Vaporizing cooling as claimed in claim 6 is from deaerating plant, it is characterised in that in the list column
Core pipe is provided with, groove is provided with above the core pipe, the opening of the groove is set towards the direction flowed in face of carbonated drink in pipe
Put.
8. pusher-type furnace Vaporizing cooling as claimed in claim 5 is from deaerating plant, it is characterised in that the horizontal water of preheating
Temperature where pipe in burner hearth is in the range of 600 degrees Celsius to 1000 degrees Celsius, where the heating horizontal water tube in burner hearth
For temperature in the range of 1000 degrees Celsius to 1400 degrees Celsius, the temperature where the soaking horizontal water tube in burner hearth is Celsius 1000
Spend in the range of 1400 degrees Celsius.
9. pusher-type furnace Vaporizing cooling as claimed in claim 1 is from deaerating plant, it is characterised in that the oxygen-eliminating device with
Feed pump is provided with the pipeline of the drum connection.
10. pusher-type furnace Vaporizing cooling as claimed in claim 1 is from deaerating plant, it is characterised in that the drum
First venthole is connected with the air intake of the oxygen-eliminating device, and the first venthole of the drum connects with the air intake of the oxygen-eliminating device
Steam control valve is provided with logical pipeline, the second venthole of the drum is connected with external steam pipe network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721108033.3U CN207262412U (en) | 2017-08-31 | 2017-08-31 | Pusher-type furnace Vaporizing cooling is from deaerating plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721108033.3U CN207262412U (en) | 2017-08-31 | 2017-08-31 | Pusher-type furnace Vaporizing cooling is from deaerating plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207262412U true CN207262412U (en) | 2018-04-20 |
Family
ID=61923148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721108033.3U Active CN207262412U (en) | 2017-08-31 | 2017-08-31 | Pusher-type furnace Vaporizing cooling is from deaerating plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207262412U (en) |
-
2017
- 2017-08-31 CN CN201721108033.3U patent/CN207262412U/en active Active
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