CN209456513U - A kind of pre-heated holding pit - Google Patents
A kind of pre-heated holding pit Download PDFInfo
- Publication number
- CN209456513U CN209456513U CN201920041899.XU CN201920041899U CN209456513U CN 209456513 U CN209456513 U CN 209456513U CN 201920041899 U CN201920041899 U CN 201920041899U CN 209456513 U CN209456513 U CN 209456513U
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- CN
- China
- Prior art keywords
- holding pit
- fuel
- oxygen supply
- heated
- fuel channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 239000000446 fuel Substances 0.000 claims description 91
- 239000001301 oxygen Substances 0.000 claims description 61
- 229910052760 oxygen Inorganic materials 0.000 claims description 61
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 60
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 6
- 238000005242 forging Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 241000519995 Stachys sylvatica Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
Landscapes
- Forging (AREA)
Abstract
The utility model provides a kind of pre-heated holding pit, is related to steel technical field of forging, and it is too fast so that the technical issues of steel product quality reduces to solve heat loss when steel to be cooled are put into holding pit in the prior art.The pre-heated holding pit includes ontology, heating component and support component, wherein support component is located at body bottom portion, is used to support steel to be cooled；Heating component is located in the cavity formed between the lower section and/or support component and body bottom portion of support component, so that heating component can heat holding pit bottom.Pre-heated holding pit is when in use, holding pit bottom is heated first with heating component, to reduce and/or eliminate the temperature difference between holding pit and steel to be cooled, to avoid steel to be cooled heat loss when being put into holding pit too fast, to improve the quality of steel, the scrappage of steel is reduced.
Description
Technical field
The utility model relates to steel technical field of forging more particularly to a kind of pre-heated holding pits.
Background technique
Steel need for steel to be put into progress slow cooling processing in holding pit after the completion of forging.It is in the prior art
Holding pit mainly passes through thermal insulation material and pours and/or build, and using the low feature of thermal insulation material heat transference efficiency, slows down
Heat transfer inside and outside holding pit, to achieve the purpose that keep the temperature and/or steel is delayed to cool down.
In the prior art, the internal temperature before holding pit use is consistent with external room temperature, and about 18 DEG C~25 DEG C, steel exist
Temperature after completing finish-forging technique is 750 DEG C~900 DEG C, therefore the steel to be cooled just completed after finish-forging technique are being put into holding pit
When there are the biggish temperature difference with holding pit internal environment.According to thermodynamic principles, the temperature difference is bigger, and the transmission speed of heat is faster,
So steel to be cooled heat loss fast speed when being put into holding pit, and cheat interior heat and persistently reduce, harmful gas in steel
Body has little time release and generates white-spot defects.The too fast heat loss of steel makes steel thermic load unstable, causes inside steel
Stress release rate is unstable, be easy to cause inside steel and cracks and/or burst, so that steel product quality is influenced, to production
Operation causes huge loss.
Utility model content
One of purpose of the utility model is to propose a kind of pre-heated holding pit, is solved to be cooled in the prior art
Heat loss is too fast so that the technical issues of steel product quality reduces when steel are put into holding pit.The utility model optimal technical scheme
Many advantageous effects can be reached, be specifically shown in and be set forth below.
To achieve the above object, the utility model provides following technical scheme:
The pre-heated holding pit of the utility model includes ontology, heating component and support component, wherein support component is located at
Body bottom portion is used to support steel to be cooled；Heating component is located at lower section and/or support component and the body bottom portion of support component
Between in the cavity that is formed so that heating component can heat holding pit bottom.
Further, heating component includes fuel channel, is evenly distributed with burner port on fuel channel, so that fuel channel
In fuel can from burner port be discharged burn.
Further, burner port is located at the side and/or bottom surface of fuel channel.
Further, heating component includes oxygen supply pipeline, and oxygen supply pipeline is arranged along fuel channel.
Further, oxygen supply pipeline is provided with oxygen supply hole, and oxygen supply hole is evenly distributed on oxygen supply pipeline.
Further, heating component includes fuel distributing device and oxygen supply dispenser apparatus, fuel distributing device and cartridge
Road connection, oxygen supply dispenser apparatus are connected to oxygen supply pipeline.
Further, fuel distributing device is connected to fuel channel by a plurality of first supply pipe, the first supply pipe and combustion
The tie point of pipe material is evenly distributed on fuel channel.
Further, oxygen supply dispenser apparatus is connected to oxygen supply pipeline by a plurality of second supply pipe, the second supply pipe and confession
The tie point of oxygen pipeline is evenly distributed on oxygen supply pipeline.
Further, support component includes load-bearing iron pad and load bearing cross beam, and load-bearing iron pad is located at below load bearing cross beam, so that
The cavity placed and/or install heating component is formed between load bearing cross beam and ontology bottom surface.
Further, the two sides of holding pit bottom are arranged in along holding pit length direction for load-bearing iron pad；Load bearing cross beam
Both ends are located on the load-bearing iron pad of the two sides of holding pit bottom.
Pre-heated holding pit provided by the utility model at least has following advantageous effects:
The utility model pre-heated holding pit claimed is provided with heating component in bottom, so that steel to be cooled
Holding pit can be preheated by heating component before being put into holding pit, so that the temperature inside holding pit increases, thus
Reduce and/or eliminate the temperature difference between steel and holding pit, so that the thermic load of steel is more stable, improves steel material
Amount reduces rejection rate.
In addition, the utility model optimal technical scheme can also have the following technical effects:
The burner port of the utility model optimal technical scheme is evenly distributed on fuel channel, and it is equal to be conducive to fuel to be combusted
It is distributed in holding pit bottom evenly, so that holding pit bottom being capable of thermally equivalent；
Side and/or bottom surface on fuel channel, Neng Gouyou is arranged in the burner port of the utility model optimal technical scheme
Effect prevent sundries from entering in fuel channel from burner port, either, sundries is prevented to be deposited on burner port so that fuel channel or
Burner port blocks, to reduce the heating efficiency of heating component；
The oxygen supply pipeline of the utility model optimal technical scheme can provide sufficient air and/or oxygen for fuel combustion
Gas reaches fuel-saving purpose to allow the fuel to full combustion；
The fuel distributing device of the utility model optimal technical scheme is connected to by a plurality of first supply pipe with fuel channel,
The fuel channel for allowing fuel to directly be directly entered different sections by the first supply pipe, thus further such that combustion to be combusted
Material can be evenly distributed in inside fuel channel, and be uniformly discharged by burner port, so that holding pit bottom is heated more
It is even.
Detailed description of the invention
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, the accompanying drawings in the following description is 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, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the top view of the pre-heated holding pit of the first preferred embodiment of the utility model；
Fig. 2 is a kind of sectional view of the pre-heated holding pit of preferred embodiment of the utility model；
Fig. 3 is the top view of the pre-heated holding pit of second of preferred embodiment of the utility model.
1- ontology in figure；2- heating component；21- fuel channel；211- burner port；22- oxygen supply pipeline；221- supplies oxygen hole；
23- fuel distributing device；24- supplies oxygen dispenser apparatus；The first supply pipe of 25-；The second supply pipe of 26-；3- support component；31- is held
Weight iron pad；32- load bearing cross beam；4- igniter.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
It should be noted that the utility model " side " described in the specification, " bottom surface ", " bottom ", " lower section " refer to
" side ", " ground ", " bottom ", " lower section " when pre-heated holding pit is put by position shown in attached drawing.
Referring to figs. 1 to Fig. 3, a kind of pre-heated holding pit, including ontology 1, heating component 2 and support component 3, wherein branch
Support component 3 is located at 1 bottom of ontology, is used to support steel to be cooled；Heating component 2 is located at lower section and/or the support of support component 3
In the cavity formed between 1 bottom of component 3 and ontology, so that heating component 2 can heat holding pit bottom.
Referring to Fig.1 or Fig. 2, heating component 2 include fuel channel 21, are evenly distributed with burner port 211 on fuel channel 21,
So that the fuel in fuel channel 21 can be discharged from burner port 211 and burn.
As a kind of preferred embodiment of the utility model, fuel channel 21 is seamless steel pipe gas piping.Preferably,
The diameter of fuel channel 21 is 108mm.
As a kind of preferred embodiment of the utility model, fuel channel 21 is to be laid with along holding pit bottom margin
Seamless steel pipe gas piping.Preferably, the shape of fuel channel 21 is identical as the shape of holding pit bottom.
As a kind of preferred embodiment of the utility model, the size of fuel channel 21 is the five of holding pit bottom size
/ tetra-, to provide enough spaces for fuel combustion.
As a kind of preferred embodiment of the utility model, heating component 2 further includes igniter 4.Preferably, it lights a fire
Device 4 is independently arranged.When igniting, by the way that igniter is protruded into ontology 1, so that spark and/or flare that igniter 4 generates
It can be close to burner port 211, so that the ignited fuel that igniter 4 can exclude burner port 211.Igniter 4 is independently set
It sets, so that igniter 4 is after firing, can take out in time, so that igniter 4 is prevented to be heated continuously in holding pit,
So as to effectively extend the service life of igniter.
As a kind of preferred embodiment of the utility model, igniter 4 can be with are as follows: electronic type pulse type ignitor,
Electronic type high-frequency and high-voltage igniter, coil silicon steel chip igniter etc..
As a kind of preferred embodiment of the utility model, igniter 4 can also be wholely set with heating component 4.
As a kind of preferred embodiment of the utility model, holding pit can use gaseous combustion object and be heated, example
Such as: natural gas, coal gas and/or mixed gas.
Referring to Fig. 2, burner port 211 is located at the side and/or bottom surface of fuel channel 21.Preferably, burner port 211 is located at combustion
The side of pipe material 21, to prevent dust and/or sundries from entering fuel channel 21 from burner port 211, to cause fuel channel
21 blockings.
As a kind of preferred embodiment of the utility model, the diameter of burner port 211 is 10mm.Preferably, adjacent two
The distance between a burner port 211 is 50mm.
Referring to Fig.1, heating component 2 includes oxygen supply pipeline 22, and oxygen supply pipeline 22 is arranged along fuel channel 21.
Referring to Fig. 2, oxygen supply pipeline 22 is provided with oxygen supply hole 221, and oxygen supply hole 221 is evenly distributed on oxygen supply pipeline 22.
Support pipeline 22 that can provide sufficient oxygen and/or air for fuel combustion, to guarantee that fuel can be abundant
Burning, to improve the combustion rate of fuel.Specifically, oxygen supply pipeline 22 is arranged along fuel channel 21, be conducive to oxygen and/or sky
Gas is filled with fuel to be mixed, so that sufficient oxygen and/or air are provided for fuel combustion everywhere, to realize the equal energy of fuel everywhere
Realize full combustion, enough to reach energy-efficient purpose.
As a kind of preferred embodiment of the utility model, oxygen supply pipeline 22 is seamless steel pipe gas piping.Preferably,
The diameter of oxygen supply pipeline 22 is 50mm.
Referring to Fig. 3, heating component 2 includes fuel distributing device 23 and oxygen supply dispenser apparatus 24, fuel distributing device 23 with
Fuel channel 21 is connected to, and oxygen supply dispenser apparatus 24 is connected to oxygen supply pipeline 22.
Referring again to Fig. 3, fuel distributing device 23 is connected to fuel channel 21 by a plurality of first supply pipe 25, and first supplies
It is evenly distributed on fuel channel 21 to the tie point of pipe 25 and fuel channel 21.
It referring again to Fig. 3, supplies oxygen dispenser apparatus 24 and is connected to oxygen supply pipeline 22 by a plurality of second supply pipe 26, second supplies
It is evenly distributed on oxygen supply pipeline 22 to the tie point of pipe 26 and oxygen supply pipeline 22.
Specifically, fuel channel 21 is when providing fuel, fuel channel 21 is separate to be connected to the first supply pipe 25
Tie point, the pressure in fuel channel 21 can be reduced as fuel excludes, so that separate be connected to the first supply pipe 25
Tie point one end fuel feed it is less so that the supply of 21 different parts fuel of fuel channel is uneven, cause to fire
The flame size of 21 different parts of pipe material is uneven, and then causes holding pit bottom-heated uneven, so that different in holding pit
The steel product quality at position has differences.
Fuel channel 21 is connected to multiple first supply pipes 25, so that the pressure in 21 each sections of fuel channel is balanced, thus
Enable fuel channel 21 equably to providing fuel inside ontology 1, and then realizes to the uniformly heated purpose in holding pit bottom.
It should be noted that between the first supply pipe 25 and the second supply pipe 26 the difference is that, the first supply pipe 25 use
In conveying fuel, the second supply pipe 26 is for conveying oxygen and/or air.It is similarly available, by supplying oxygen dispenser apparatus 24
It is able to achieve and each position in holding pit bottom is carried out uniformly to provide oxygen, so that the fuel at each position in holding pit bottom can obtain
Full combustion.
As a kind of preferred embodiment of the utility model, fuel distributing device 23 and oxygen supply dispenser apparatus 24 are constant pressure
Case is provided with an air inlet and multiple gas outlets on constant pressure case.Air inlet is connected by pipeline and gas pipeline and/or air pump
It connects, gas outlet is accordingly connect with fuel channel 21 and oxygen supply pipeline 22 by the first supply pipe 25 or the second supply pipe 26.
Specifically, fuel is introduced into fuel constant pressure case, fuel channel 21 is then entered by the first supply pipe 25；Oxygen
And/or air is introduced into oxygen constant-pressure case, then enters oxygen supply pipeline 22 by the second supply pipe 26.The horizontal case of fuel or oxygen are horizontal
Pressure case enables to the pressure inside the first supply pipe 25 or the second supply pipe 26 in communication equal, so that each first
The rate that supply pipe 25 provides fuel or air into oxygen supply pipeline 22 to fuel channel 21 and/or the second supply pipe 26 is equal,
And then realize to fuel channel 21 and/or oxygen supply pipeline 22 and fuel and/or air are uniformly provided, to guarantee each portion in holding pit bottom
Dividing being capable of thermally equivalent.
As a kind of preferred embodiment of the utility model, the air pressure of fuel supply is 6000 in fuel distributing device 23
~ 8000Pa.
Referring to Fig.1 or Fig. 2, support component 3 include load-bearing iron pad 31 and load bearing cross beam 32, and load-bearing iron pad 31 is located at load-bearing cross
32 lower section of beam, so as to form the cavity placed and/or install heating component 2 between 1 bottom surface of load bearing cross beam 32 and ontology.
Referring to Fig.1, the two sides of holding pit bottom are arranged in along holding pit length direction for load-bearing iron pad 31；Load bearing cross beam 32
The both ends two sides that are located at holding pit bottom load-bearing iron pad 31 on.
As a kind of preferred embodiment of the utility model, load-bearing iron pad 31 and load bearing cross beam 32 are 250mm*280mm
Rectangular steel.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of pre-heated holding pit, which is characterized in that including ontology (1), heating component (2) and support component (3), wherein
The support component (3) is located at the ontology (1) bottom, is used to support steel to be cooled；The heating component (2) is located at described
In the cavity formed between the lower section of support component (3) and/or the support component (3) and the ontology (1) bottom, so that institute
Holding pit bottom can be heated by stating heating component (2).
2. pre-heated holding pit according to claim 1, which is characterized in that the heating component (2) includes fuel channel
(21), burner port (211) are evenly distributed on the fuel channel (21), so that the fuel in the fuel channel (21) can
It is discharged and burns from the burner port (211).
3. pre-heated holding pit according to claim 2, which is characterized in that the burner port (211) is located at the fuel
The side and/or bottom surface of pipeline (21).
4. pre-heated holding pit according to claim 2, which is characterized in that the heating component (2) further includes oxygen supplying tube
Road (22), the oxygen supply pipeline (22) are arranged along the fuel channel (21).
5. pre-heated holding pit according to claim 4, which is characterized in that the oxygen supply pipeline (22) is provided with oxygen supply hole
(221), the oxygen supply hole (221) is evenly distributed on the oxygen supply pipeline (22).
6. pre-heated holding pit according to one of claims 1 to 5, which is characterized in that the heating component (2) includes combustion
Expect dispenser apparatus (23) and oxygen supply dispenser apparatus (24), the fuel distributing device (23) is connected to fuel channel (21), described
Oxygen supply dispenser apparatus (24) is connected to oxygen supply pipeline (22).
7. pre-heated holding pit according to claim 6, which is characterized in that the fuel distributing device (23) and the combustion
Pipe material (21) is connected to by a plurality of first supply pipe (25), the company of first supply pipe (25) and the fuel channel (21)
Contact is evenly distributed on the fuel channel (21).
8. pre-heated holding pit according to claim 7, which is characterized in that the oxygen supply dispenser apparatus (24) and the confession
Oxygen pipeline (22) is connected to by a plurality of second supply pipe (26), the company of second supply pipe (26) and the oxygen supply pipeline (22)
Contact is evenly distributed on the oxygen supply pipeline (22).
9. pre-heated holding pit according to claim 1, which is characterized in that the support component (3) includes load-bearing iron pad
(31) and load bearing cross beam (32), the load-bearing iron pad (31) is located at below the load bearing cross beam (32), so that the load bearing cross beam
(32) cavity for placing and/or installing the heating component (2) is formed between the ontology (1) bottom surface.
10. pre-heated holding pit according to claim 9, which is characterized in that the load-bearing iron pad (31) is along holding pit
The two sides of holding pit bottom are arranged in length direction；The both ends of the load bearing cross beam (32) are located at the two sides of holding pit bottom
The load-bearing iron pad (31) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920041899.XU CN209456513U (en) | 2019-01-10 | 2019-01-10 | A kind of pre-heated holding pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920041899.XU CN209456513U (en) | 2019-01-10 | 2019-01-10 | A kind of pre-heated holding pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209456513U true CN209456513U (en) | 2019-10-01 |
Family
ID=68044279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920041899.XU Expired - Fee Related CN209456513U (en) | 2019-01-10 | 2019-01-10 | A kind of pre-heated holding pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209456513U (en) |
-
2019
- 2019-01-10 CN CN201920041899.XU patent/CN209456513U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 |