CN108411095A - Shot back-fire arrangement - Google Patents
Shot back-fire arrangement Download PDFInfo
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- CN108411095A CN108411095A CN201810272676.4A CN201810272676A CN108411095A CN 108411095 A CN108411095 A CN 108411095A CN 201810272676 A CN201810272676 A CN 201810272676A CN 108411095 A CN108411095 A CN 108411095A
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- pipe
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- furnace body
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
- C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The present invention relates to shot production technical fields, disclose shot back-fire arrangement, including tempering mechanism and thermoregulative mechanism, it further include anti-brittle mechanism, anti- embrittlement mechanism includes air-introduced machine and is equipped with into silicon valve into silicon bucket, it is connected between hot-blast stove and the reversing chamber in middle level into silicone tube, is mounted on into silicon bucket on silicone tube；Dispersion plate is equipped in the reversing chamber of middle level, the second conveying mechanism corresponding with partition board is installed on dispersion plate, dispersion plate vertically offers multiple dispersion holes, dispersion plate laterally offers dispensing passage, the bottom of dispersion hole is connected to dispensing passage, and the side of dispensing passage is connected into silicone tube, and through-hole is offered on the partition board above dispersion plate；Air-introduced machine side is connected with feed cavity by recovery tube, and the other side of air-introduced machine is connected with into silicon bucket by returning silicone tube, is returned on silicone tube and is equipped with the first cooler.Existing shot lonneal embrittlement can be solved the problems, such as through the invention, improve the performance and quality of shot.
Description
Technical field
The present invention relates to shot production technical fields, and in particular to shot back-fire arrangement.
Background technology
Shot be it is a kind of with special material through spherical particle made of special thermal treatment.In the preparation process of shot, one
As the equipment that uses be centrifuge, by being poured into after melting high-carbon steel in the centrifugal pan of rotation, then rely on centrifuge
Effect throw away the pellets of various sizes, the pellet being thrown out of will fall into rapid cooling in quenching bath, the shot after rapid cooling
It carries out reheating tempering again, shot is up to required hardness.Wherein, in drawing process, shot is generally by the way of
High tempering treatment process, in order to make shot that there is preferable intensity, plasticity and toughness, to facilitate shot to reach each
Use standard in field.
Currently, during shot temper, usually shot is directly poured into furnace body, passes through heated by gas
Carbon brick, to carry out temper to the shot on carbon brick.But since shot has carried out quenching treatment, shot before tempering
Surface temperature it is relatively low, and be tempered temperature it is relatively high so that shot be tempered when can be heated suddenly, consequently, it is possible to
Appearance shot expanded by heating is too fast and generates irregular expansion, final so that the shot defect rate produced is too high.
For this purpose, Chinese patent notification number, which is CN106702127B, discloses a kind of shot tempering furnace, include mainly hot-blast stove, stove
Body and feed hopper are equipped in furnace body and are divided into feed cavity, reversing chamber with partition board and the chamber that gathers materials, reversing chamber have more successively from top to bottom
A, the hot blast pipe that the reversing chamber of the bottom is connect with hot-blast stove is connected, and adjacent reversing chamber connects relief tube, has on relief tube
Relief valve, relief valve pressure set points from top to bottom are sequentially increased；Conveying mechanism, the conveyer of reversing chamber are designed on partition board
It is equipped with inclined sliding rail below structure；Feeding funnel bottom part is equipped with desorption tube, and one end of desorption tube and the reversing chamber of top layer are connected, put
The other end of separate tube is connected with feed cavity, and diffusion valve is equipped on desorption tube.The program is returned by the way that multilayer reversing chamber is arranged
The temperature of fiery chamber increases successively from top to bottom so that shot temperature during tempering gradually rises, so as to avoid heated
Too fast and generation irregular expansion.But shot when (i.e. low temperature) tempering, is easy to happen embrittlement within the scope of 240~400 DEG C
Phenomenon, and be irreversible temper embrittlement, shot shot when being gradually heated up has occurred and that embrittlement phenomena, later in reversing chamber
Temperature is increased to 500~650 DEG C (i.e. high temperature), can not also eliminate embrittlement phenomena, greatly reduces the comprehensive mechanical property of shot.
Invention content
The invention is intended to provide a kind of shot back-fire arrangement, it can avoid lonneal stage shot and embrittlement phenomena occur.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：Shot back-fire arrangement, including tempering mechanism and temperature adjustment
Mechanism, tempering mechanism includes hot-blast stove, furnace body and the feed hopper mounted on furnace body side, and being connected between hot-blast stove and furnace body has heat
Air hose is equipped with feed cavity, reversing chamber and the chamber that gathers materials being divided into partition board, reversing chamber at least three in furnace body successively from top to bottom
A, the reversing chamber of the bottom is connected with hot blast pipe, is equipped with the first conveying mechanism that can seal feeding downwards on partition board, each time
It is equipped with inclined sliding rail below the conveying mechanism of fiery intracavitary；Thermoregulative mechanism includes the relief tube for connecting adjacent two reversing chamber, is let out
It is equipped with relief valve in pressure pipe, the relief valve pressure set points on relief tube from top to bottom are sequentially increased, and further include anti-embrittlement machine
Structure, anti-embrittlement mechanism include air-introduced machine and are equipped with into silicon valve into silicon bucket, be connected between hot-blast stove and the reversing chamber in middle level
Into silicone tube, it is mounted on into silicon bucket on silicone tube；It is equipped with dispersion plate in the reversing chamber of middle level, is equipped on dispersion plate corresponding with partition board
Second conveying mechanism, dispersion plate vertically offer multiple dispersion holes, and dispersion plate laterally offers dispensing passage, the bottom of dispersion hole
It is connected to, and the side of dispensing passage is connected into silicone tube, is offered on the partition board above dispersion plate logical with dispensing passage
Hole；Air-introduced machine side is connected with feed cavity by recovery tube, and the other side of air-introduced machine is connected with into silicon bucket by returning silicone tube, returns silicon
First cooler is installed on pipe.
The principle of this programme is：When practical application, when carrying out temper to shot, the high temperature and pressure in hot-blast stove first
Gas is passed into the reversing chamber of bottom, and when definite value set by pressure reaches relief valve, the reversing chamber of bottom returns upper layer
Fiery chamber leaks into hot wind, with this gradually upward pressure release, since pressure corresponding in relief valve is smaller and smaller, so each reversing chamber
Interior temperature is gradually lowered.The shot that quenching is completed is put into feed hopper, shot enters the charging of furnace body by feed hopper
Intracavitary, shot are moved by the conveying mechanism of partition board into reversing chamber, meanwhile, into silica flour is added in silicon bucket, open into silicon valve,
Silica flour is blown to along into silicone tube in dispensing passage under the action of hot air furnace hot air, due to bottom and the dispensing passage phase of dispersion hole
It is logical, while under the action of air-introduced machine, silica flour is moved upwards along dispersion hole.At this point, silica flour and the shot that moves downward are in
It meets in layer reversing chamber, silica flour is attached to shot surface, forms anti-brittle layer.And extra silica flour under the action of air-introduced machine after
It is continuous to move upwards, entered in recovery tube by through-hole, and cooled down by returning the first cooler on silicone tube, extra silica flour
Restore initial temperature, return into silicon bucket, can be used for the use of next time, the shot that surface is attached with silica flour passes through dispersion plate
Into in collecting chamber.
Advantageous effect：
1, since the temperature of feed cavity and top layer reversing chamber is relatively low, shot is tempered at low ambient temperatures, and cementite is former difficult to understand
Family name's body crystal boundary or on geneva body interface be precipitated be easy to form shell, cause the irreversible temper embrittlement of shot.For this purpose, in shot
When in into feed cavity and reversing chamber, by the effect of hot-blast stove, shot can be surface-treated, be combined to be formed with silica flour
Protective layer, the formation of cementite when can postpone tempering, to improve the temperature that lonneal embrittlement occurs.When shot enters tempering
When the lower layer of chamber, shot is in the high tempering stage, at this point, the molybdenum in steel and phosphorus reciprocation, hinders phosphorus in the segregation of crystal boundary,
Temper brittleness can be mitigated.By the way that silica flour is added, it can both ensure that shot systematicness expanded, shot drawing process can also be avoided
Middle generation embrittlement, improves the performance and quality of shot.
2, the hot wind that hot-blast stove high temperature high pressure is utilized in the device, as the motive power for pushing silica flour movement, while with
Air-introduced machine is used cooperatively so that shot and silica flour form the movement mutually to liquidate, and silica flour comes into full contact with shot, mixed effect ratio
Preferably, and silica flour is by Hot-blast Heating, can preferably be preheated to shot surface, shot is avoided irregularly to expand.Heat
Silica flour is easy and shot surface combines, and adhesion effect is more preferably.Meanwhile extra silica flour is collected using air-introduced machine, and
Cool down to it, the near initial temperature of silica flour can be ensured use next time, save resource.
3, dispersion plate is provided in furnace body, silica flour is shunted on dispersion plate, is covered with each dispersion hole, such silica flour point
Cloth is relatively uniform, and can be sufficiently mixed with shot.Wherein, the bottom of dispersion hole is communicated with dispensing passage on dispersion plate, extra
Silica flour will not fall in bottom reversing chamber and collecting chamber, avoid silica flour from accumulating, the collection for influencing shot and cooling ring later
Section.
Preferably, include the first pipe, the second pipe and third pipe being sequentially communicated, the first pipe and third pipe transverse direction cloth into silicone tube
It sets, the second pipe is vertically arranged, and the junction of the first pipe and the second pipe is equipped with turbine type hair-dryer, the company of the second pipe and third pipe
The buffer board being obliquely installed is equipped in the pipe at the place of connecing.Due to mutually hanging down from the direction of the silica flour and hot wind flow that are come out into silicon bucket
Directly so that hot wind pushes silica flour to be moved along the upper wall into silicone tube, and the inlet in such silica flour same time is less, and silica flour
It is poor with the mixed effect of shot.For this purpose, setting turbine type hair-dryer, it can be in the junction of the first pipe and the second pipe to silica flour
Increase the motive force of turbo-power so that silica flour rotate-stationary mode, and the inlet of silica flour is increased, meanwhile, silica flour is revolving
Under the action of rotatable movement and buffer board, the direction of motion is changed, is filled with entire pipeline so that silica flour enters dispensing passage
The amount of silica flour per area per time increases, and can preferably ensure the supply of silica flour in this way, and ensure that silica flour and steel
Ball is sufficiently mixed.
Preferably, buffer board is equipped with multiple protrusions.The direction of motion of silica flour can be varied multiple times in this way so that silica flour cloth
Full entire pipeline.
Preferably, the shape of buffer board is arc-shaped.The direction of motion of silica flour can be varied multiple times in this way so that silica flour cloth
Full entire pipeline.
Preferably, into manifold is connected between silicone tube and hot-blast stove, hot blast pipe is connected to close to hot-blast stove one end with manifold, into
Second cooler is installed on silicone tube.In this way power is heated and is provided to silica flour and entire furnace body using the same hot-blast stove
The structure in source, whole device is simple, and can save power source.Wherein, the second cooler is installed, it is ensured that into the heat in silicone tube
Air temperature is consistent with the temperature in intermediate reversing chamber.
Preferably, furnace body is hinged with band movable plate close to the side of hot-blast stove, and one end with movable plate is connect with into silicon valve, is driven
The other end of plate stretches into the underface in furnace body and positioned at dispersion plate, and the lower section with movable plate is connect with inboard wall of furnace body by spring.
When part shot is fallen on by conveying mechanism on band movable plate, band movable plate can be moved downward with hinge joint, and with the another of movable plate
One end will drive into silicon valve and open, and to realize the linkage that silica flour and shot is added, and spring can help to drive sheet reset.
Preferably, the first conveying mechanism and the second conveying mechanism include feed cylinder, and feed cylinder is slidably mounted on partition board,
The upper and lower part side wall of feed cylinder offers material hole, and the both sides of feed cylinder are equipped with the limit strip being mounted on partition board, limit
Position strip is slidably connected with feed cylinder.Can ensure shot in this way when sequentially entering each chamber, be not in each chamber it
Between the case where directly communicating.
Preferably, air-introduced machine is equipped with branch pipe close to the side of feed hopper, and air-introduced machine is connected to feed hopper by branch pipe, branch pipe
On manifold valve is installed.The shot being just added can be pre-processed in this way, so that its surface is adhered to silica flour, and carry out pre-add
Heat.
Preferably, the opening of via top moves upwards convenient for silica flour in this way more than the opening of via bottoms.
Description of the drawings
Fig. 1 is the structure chart of shot back-fire arrangement embodiment of the present invention；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is the structural schematic diagram of dispersion plate in Fig. 1；
Fig. 4 is the structural schematic diagram of conveying mechanism in Fig. 1.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail：
Reference numeral in Figure of description includes：Furnace body 1, feed cavity 101, reversing chamber 102, gather materials chamber 103, partition board 2
Feed hopper 3, hot-blast stove 4, manifold 5, hot blast pipe 6, into silicone tube 7, the first pipe 701, the second pipe 702, third pipe 703, turbine type is blown
Wind turbine 8, buffer board 9, protrusion 901, into silicon bucket 10, into silicon valve 11, the second cooler 12, band movable plate 13, spring 14, dispersion plate
15, dispersion hole 16, dispensing passage 17, through-hole 18, feed cylinder 19, material hole 20 limits strip 21, sliding rail 22, relief tube 23, pressure release
Valve 24, air-introduced machine 25, the first cooler 26 return silicone tube 27, branch pipe 28.
Embodiment 1, as shown in Figure 1：Shot back-fire arrangement, including furnace body 1, be followed successively by from top to bottom in furnace body 1 one into
Material 101, two reversing chambers 102 of chamber and the chamber 103 that gathers materials, these cavitys are split by four partition boards 2, each partition board 2
It is horizontally arranged at the inner wall of furnace body 1.The right side upper end of furnace body 1 is equipped with feed hopper 3, and the upper end of feed hopper is in normally closed shape
State, feed hopper 3 are connected with the feed cavity 101 of furnace body 1, and the left side of furnace body 1 is externally provided with a hot-blast stove 4, outside the right side of hot-blast stove 4
Wall is threaded with a manifold 5, and the free end of manifold 5 is equipped with tee pipe coupling, and the lower section of manifold 5, which is equipped with, is mounted on three-way pipe
Hot blast pipe 6 on connector, the lower reversing chamber of the free end of hot blast pipe 6 and ground clearance 102 are connected to.As shown in Fig. 2, manifold 5
Right side have bolt be fixedly mounted in tee pipe coupling into silicone tube 7, include sequentially connected first pipe 701, the into silicone tube 7
Two pipes 702 and third pipe 703, the first pipe 701 and 703 lateral arrangement of third pipe, the second pipe 702 is vertically arranged, and the first pipe 701
It being connected to by the second pipe 702 with third pipe 703, the junction of the first pipe 701 and the second pipe 702 is equipped with turbine type hair-dryer 8,
The junction of second pipe 702 and third pipe 703 is equipped with the buffer board 9 being obliquely installed, and buffer board 9 is equipped with multiple raised 901,
In the first pipe 701, the second pipe 702 and third pipe 703 be integrally formed.The upper end of first pipe 701 is equipped with into silicon bucket 10, into silicon bucket
10 lower section is equipped with into silicon valve 11, and the first pipe 701, which is located at into the end in 10 left side of silicon bucket, is equipped with the second cooler 12.Furnace body
1 is hinged with band movable plate 13 close to the side of hot-blast stove 4, and one end with movable plate 13 is bolted with into silicon valve 11, with movable plate 13
The other end stretches into furnace body 1, and the lower section with movable plate 13 is connect with 1 inner wall of furnace body by spring 14.As shown in figure 3, in furnace body 1
Being horizontally disposed in portion's reversing chamber has a dispersion plate 15, and dispersion plate 15 vertically offers multiple dispersion holes 16, and dispersion plate 15 is laterally opened
Equipped with dispensing passage 17, the top of dispersion hole 16 is communicated with reversing chamber 102, and the bottom of dispersion hole 16 is connected to dispensing passage 17,
And the side of dispensing passage 17 is connected into silicone tube 7, and through-hole 18, through-hole are offered on the partition board 2 above dispersion plate 15
For the opening at 18 tops more than the opening of 18 bottom of through-hole, the cross section of through-hole 18 is inverted trapezoidal.It is provided with conveyer on partition board 2
Structure, as shown in figure 4, conveying mechanism includes feed cylinder 19, feed cylinder 19 is slidably mounted on partition board 2, the top of feed cylinder 19 and
Lower sides offer material hole 20, and the both sides of feed cylinder 19 are equipped with the limit strip 21 being mounted on partition board 2, limit strip 21
It is slidably connected with feed cylinder 19, inclined sliding rail 22 is equipped with below the conveying mechanism of each reversing chamber 102.Thermoregulative mechanism includes
The relief tube 23 of adjacent two reversing chamber is connected, relief valve 24 is equipped on relief tube 23, letting out on relief tube 23 from top to bottom
24 pressure set points of pressure valve are sequentially increased.
Wherein, the top of furnace body 1 is equipped with air-introduced machine 25, and air-introduced machine 25 is connected by the feed cavity 101 of recovery tube and furnace body 1
Logical, air-introduced machine 25 passes on left back silicone tube 27 and is connected into silicon bucket 10, returns on silicone tube 27 and is equipped with the first cooler 26, air-introduced machine
25 right side is connected to by branch pipe 28 with feed hopper 3, and manifold valve is equipped on branch pipe 28.
The shape of embodiment 2, difference from Example 1, buffer board 9 is arc-shaped.
When practical application, referring to Fig.1, when carrying out temper to shot, the high temperature and high pressure gas in hot-blast stove 4 is logical first
Enter manifold 5, a portion hot wind is reached by hot blast pipe 6 in the reversing chamber 102 of bottom, when pressure reaches set by relief valve 24
When definite value, upper layer reversing chamber 102 is leaked into hot wind by the reversing chamber 102 of bottom, with this gradually upward pressure release, due to relief valve
Corresponding pressure is smaller and smaller in 24, so the temperature in each reversing chamber 102 is gradually lowered.The shot that quenching is completed
Be put into feed hopper 3, shot is entered by feed hopper 3 in the feed cavity 101 of furnace body 1, shot by the conveying mechanism of partition board 2 to
Movement in reversing chamber 102 at this point, shot is fallen on above band movable plate 13, and is given with 13 1 downward pressure of movable plate, to drive
Plate 13 is rotated around hinge joint, the tilting on one side with 13 left side of movable plate, and is driven and opened into silicon valve 11, the silica flour into silicon bucket 10
By entering into silicon valve 11 into silicone tube 7.A hot wind part wherein in hot-blast stove 4 is entered by manifold 5 into silicone tube 7, should
Partial hot wind is cooled to consistent with the intermediate temperature of reversing chamber under the action of the second cooler 12, and hot wind after cooling pushes away
Dynamic silica flour horizontal movement, and in the junction of the first pipe 701 and the second pipe 702, whirlpool is done under the action of turbine type hair-dryer 8
Rotation movement so that silica flour changes the direction of motion, and silica flour is driven to enter in the second pipe 702, meanwhile, under the action of buffer board 9, silicon
Powder mutually collides.By the above-mentioned means, silica flour is filled with entire pipeline, a large amount of silica flour enters in dispensing passage 17, is feeding
Under the power of the air-introduced machine 25 of 101 top of chamber, silica flour is entered by dispersion hole 16 in feed cavity 101, is sufficiently mixed with shot, and
And silica flour is attached to shot surface, forms protective layer, the shot that surface is attached with silica flour enters collection by dispersion plate 15 and partition board 2
Expect in chamber 103.
Meanwhile extra silica flour, under the action of air-introduced machine 25, a part is entered by returning silicone tube 27 into silicon bucket 10, and
The silica flour of the part restores initial temperature under the action of the first cooler 26, is used convenient for next time.Another part silica flour is logical
It crosses branch pipe 28 to enter in feed hopper 3, shot is pre-processed.
Above-described is only the embodiment of the present invention, the common sense such as well known specific technical solution and/or characteristic in scheme
It does not describe excessively herein.It should be pointed out that for those skilled in the art, before not departing from technical solution of the present invention
It puts, several modifications and improvements can also be made, these should also be considered as protection scope of the present invention, these all do not interfere with this
Invent the effect and patent practicability implemented.The scope of protection required by this application should be based on the content of the claims,
The records such as the specific implementation mode in specification can be used for explaining the content of claim.
Claims (9)
1. shot back-fire arrangement, including tempering mechanism and thermoregulative mechanism, the tempering mechanism include hot-blast stove, furnace body and are mounted on
The feed hopper of furnace body side, being connected between hot-blast stove and furnace body has a hot blast pipe, be equipped with successively from top to bottom in the furnace body with every
Feed cavity, reversing chamber and the chamber that gathers materials that plate is divided into, the reversing chamber at least there are three, reversing chamber and the hot blast pipe of the bottom connect
It is logical, the first conveying mechanism that can seal feeding downwards is equipped on the partition board, below the conveying mechanism in each reversing chamber
Equipped with inclined sliding rail；The thermoregulative mechanism includes the relief tube for connecting adjacent two reversing chamber, is equipped with and lets out on the relief tube
Pressure valve, the relief valve pressure set points on relief tube from top to bottom are sequentially increased, which is characterized in that and further include anti-brittle mechanism,
The anti-brittle mechanism includes air-introduced machine and is equipped with into silicon valve into silicon bucket, is connected between the hot-blast stove and the reversing chamber in middle level
It is connected into silicone tube, is mounted on into silicon bucket on silicone tube；Dispersion plate is equipped in the middle level reversing chamber, be equipped on dispersion plate with every
Corresponding second conveying mechanism of plate, dispersion plate vertically offer multiple dispersion holes, and dispersion plate laterally offers dispensing passage, dispersion
The bottom in hole is connected to dispensing passage, and the side of dispensing passage is connected into silicone tube, is located on the partition board above dispersion plate
Offer through-hole；The air-introduced machine side is connected with feed cavity by recovery tube, the other side of air-introduced machine with into silicon bucket by return
Silicone tube is connected, and is returned on silicone tube and is equipped with the first cooler.
2. shot back-fire arrangement according to claim 1, it is characterised in that：It is described into silicone tube include first be sequentially communicated
Pipe, the second pipe and third pipe, the first pipe and third pipe lateral arrangement, the second pipe are vertically arranged, the connection of the first pipe and the second pipe
Place is equipped with turbine type hair-dryer, and the buffer board being obliquely installed is equipped in the second pipe and the pipe of the junction of third pipe.
3. shot back-fire arrangement according to claim 2, it is characterised in that：The buffer board is equipped with multiple protrusions.
4. shot back-fire arrangement according to claim 2, it is characterised in that：The shape of the buffer board is arc-shaped.
5. shot back-fire arrangement according to claim 1, it is characterised in that：It is described to be connected between silicone tube and hot-blast stove
Manifold, hot blast pipe are connected to close to hot-blast stove one end with manifold, into silicone tube on the second cooler is installed.
6. shot back-fire arrangement according to claim 1, it is characterised in that：The furnace body is hinged close to the side of hot-blast stove
There are band movable plate, described one end with movable plate to be connect with into silicon valve, the other end with movable plate stretches into furnace body and positioned at dispersion plate
Underface, the lower section with movable plate are connect with inboard wall of furnace body by spring.
7. according to claim 1~6 any one of them shot back-fire arrangement, it is characterised in that：First conveying mechanism and
Second conveying mechanism includes feed cylinder, and the feed cylinder is slidably mounted on partition board, and the upper and lower part side wall of feed cylinder is equal
Material hole is offered, the both sides of feed cylinder are equipped with the limit strip being mounted on partition board, and the limit strip connects with feed cylinder sliding
It connects.
8. according to claim 1~6 any one of them shot back-fire arrangement, it is characterised in that：The air-introduced machine is close to charging
The side of bucket is equipped with branch pipe, and air-introduced machine is connected to feed hopper by branch pipe, and manifold valve is equipped on branch pipe.
9. according to claim 1~6 any one of them shot back-fire arrangement, it is characterised in that：The opening of the via top
More than the opening of via bottoms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810272676.4A CN108411095B (en) | 2018-03-29 | 2018-03-29 | Shot back-fire arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810272676.4A CN108411095B (en) | 2018-03-29 | 2018-03-29 | Shot back-fire arrangement |
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| Publication Number | Publication Date |
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| CN108411095A true CN108411095A (en) | 2018-08-17 |
| CN108411095B CN108411095B (en) | 2019-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810272676.4A Active CN108411095B (en) | 2018-03-29 | 2018-03-29 | Shot back-fire arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109735792A (en) * | 2018-12-28 | 2019-05-10 | 周俊满 | A kind of carburizing, carbo-nitriding heating furnace |
| CN112813247A (en) * | 2020-12-18 | 2021-05-18 | 北京科技大学 | Skew rolling ball-milling steel ball tempering device capable of utilizing waste heat |
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| US4023985A (en) * | 1975-09-29 | 1977-05-17 | Cleveland Metal Abrasive, Inc. | Steel abrasives and method for producing same |
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| CN112813247A (en) * | 2020-12-18 | 2021-05-18 | 北京科技大学 | Skew rolling ball-milling steel ball tempering device capable of utilizing waste heat |
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| Publication number | Publication date |
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| CN108411095B (en) | 2019-05-28 |
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