CN108411095B - Shot back-fire arrangement - Google Patents
Shot back-fire arrangement Download PDFInfo
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- CN108411095B CN108411095B CN201810272676.4A CN201810272676A CN108411095B CN 108411095 B CN108411095 B CN 108411095B CN 201810272676 A CN201810272676 A CN 201810272676A CN 108411095 B CN108411095 B CN 108411095B
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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 layer into silicone tube, is mounted on into silicon bucket on silicone tube；Dispersion plate is equipped in the reversing chamber of middle layer, the second conveying mechanism corresponding with partition 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, offers through-hole on the partition above dispersion plate；Air-introduced machine side and feed cavity are connected by recovery tube, and the other side of air-introduced machine is connected with into silicon bucket by returning silicone tube, are returned on silicone tube and are equipped with the first cooler.It is able to solve the problem of existing shot lonneal embrittlement through the invention, improves 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 technique
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, be then centrifuged by 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, usually shot is directly poured into furnace body, passes through heated by gas during shot tempering
Carbon brick, to carry out tempering to the shot on carbon brick.But since shot is quenched before tempering, shot
Surface temperature it is lower, 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, finally makes the shot defect rate produced too high.
For this purpose, Chinese patent notification number is that CN106702127B discloses a kind of shot tempering furnace, it mainly include hot-blast stove, furnace
Body and feed hopper are successively arranged in furnace body from top to bottom and are divided into feed cavity, reversing chamber with partition and the chamber that gathers materials, reversing chamber have more
A, the hot air pipe that the reversing chamber of the bottom is connect with hot-blast stove is connected, and adjacent reversing chamber connects relief tube, is had 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
Inclined sliding rail is equipped with 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 and feed cavity of separate tube are connected, and are equipped with diffusion valve on desorption tube.The program is returned by setting multilayer reversing chamber
The temperature of fiery chamber successively increases 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.
Summary of the invention
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: shot back-fire arrangement, including tempering mechanism and temperature adjustment
Mechanism, tempering mechanism include hot-blast stove, furnace body and the feed hopper for being mounted on furnace body side, and connecting between hot-blast stove and furnace body has heat
Air hose is successively arranged the feed cavity being divided into partition, reversing chamber and the chamber that gathers materials, reversing chamber at least three in furnace body from top to bottom
A, the reversing chamber of the bottom and hot air pipe are connected, and are equipped with the first conveying mechanism that can seal feeding downwards on partition, and each time
Inclined sliding rail is equipped with below the intracavitary conveying mechanism of fire；Thermoregulative mechanism includes the relief tube for connecting adjacent two reversing chamber, is let out
It is equipped with relief valve in pressure pipe, it further includes anti-embrittlement machine that the relief valve pressure set points on relief tube from top to bottom, which are sequentially increased,
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 layer
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 layer, is equipped on dispersion plate corresponding with partition
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 above dispersion plate logical with dispensing passage
Hole；Air-introduced machine side and feed cavity are connected by recovery tube, and the other side of air-introduced machine is connected with into silicon bucket by returning silicone tube, return silicon
First cooler is installed on pipe.
The principle of this programme is: when practical application, when carrying out tempering to shot, and 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 is moved by the conveying mechanism of partition into reversing chamber, meanwhile, into silicon powder is added in silicon bucket, open into silicon valve,
Silicon powder is blown in dispensing passage under the action of hot air furnace hot air along into silicone tube, due to bottom and the dispensing passage phase of dispersion hole
It is logical, while under the action of air-introduced machine, silicon powder is moved upwards along dispersion hole.At this point, silicon powder and the shot moved downward are in
It meets in layer reversing chamber, silicon powder is attached to shot surface, forms anti-brittle layer.And extra silicon powder under the action of air-introduced machine after
It is continuous to move upwards, entered in recovery tube by through-hole, and the first cooler by returning on silicone tube is cooled down, extra silicon powder
Restore initial temperature, return into silicon bucket, can be used for the use of next time, the shot that surface is attached with silicon powder passes through dispersion plate
Into in collecting chamber.
The utility model has the advantages that
1, since the temperature of feed cavity and top layer reversing chamber is lower, shot is tempered at low ambient temperatures, and cementite is former difficult to understand
Shell easy to form is precipitated in family name's body crystal boundary on geneva body interface, causes 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 formed in conjunction with silicon powder
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 addition silicon powder, it can both guarantee that shot systematicness expanded, it can also be to avoid shot drawing process
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 silicon powder movement, while with
Air-introduced machine is used cooperatively, so that shot and silicon powder form the movement mutually to liquidate, silicon powder comes into full contact with shot, mixed effect ratio
Preferably, and silicon powder is by Hot-blast Heating, can preferably preheat to shot surface, shot is avoided irregularly to expand.Heat
Silicon powder is easy and shot surface combines, and adhesion effect is more preferably.Meanwhile extra silicon powder is collected using air-introduced machine, and
Cool down to it, the near initial temperature of silicon powder can be guaranteed into use next time, save resource.
3, dispersion plate is provided in furnace body, silicon powder is shunted on dispersion plate, is covered with each dispersion hole, such silicon powder 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
Silicon powder will not fall in bottom reversing chamber and collecting chamber, avoid silicon powder from accumulating, influence the collection and cooling ring later of shot
Section.
It 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 silicon powder and hot wind flow that are come out into silicon bucket
Directly, so that hot wind pushes silicon powder to move along the upper wall into silicone tube, the inlet in such silicon powder same time is less, and silicon powder
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 silicon powder
Increase the motive force of turbo-power, so that silicon powder rotate-stationary mode, and the inlet of silicon powder is increased, meanwhile, silicon powder is revolving
Under the action of rotatable movement and buffer board, the direction of motion is changed, entire pipeline is filled with, so that silicon powder enters dispensing passage
The amount of silicon powder per area per time increases, and can preferably guarantee the supply of silicon powder in this way, and ensure that silicon powder and steel
Ball is sufficiently mixed.
Preferably, buffer board is equipped with multiple protrusions.The direction of motion of silicon powder can be varied multiple times in this way, so that silicon powder cloth
Full entire pipeline.
Preferably, the shape of buffer board is arc-shaped.The direction of motion of silicon powder can be varied multiple times in this way, so that silicon powder cloth
Full entire pipeline.
Preferably, into general pipeline is connected between silicone tube and hot-blast stove, hot air pipe is connected to close to hot-blast stove one end with general pipeline, into
Second cooler is installed on silicone tube.In this way power is heated and provided to silicon powder 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, drives
The other end of plate protrudes into the underface in furnace body and being located 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 band movable plate by conveying mechanism, 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, thus realize the linkage that silicon powder and shot is added, and spring can help to drive sheet reset.
Preferably, the first conveying mechanism and the second conveying mechanism include feeder, and feeder is slidably mounted on partition,
The upper and lower part side wall of feeder offers material hole, and the two sides of feeder are equipped with the limit strip being mounted on partition, limit
Position strip is slidably connected with feeder.Can guarantee 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 silicon powder, and carry out pre-add
Heat.
Preferably, the opening of via top is greater than the opening of via bottoms, moves upwards in this way convenient for silicon powder.
Detailed description of the invention
Fig. 1 is the structure chart of shot back-fire arrangement embodiment of the present invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
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 embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: furnace body 1, and feed cavity 101, reversing chamber 102, gather materials chamber 103, partition 2
Feed hopper 3, hot-blast stove 4, general pipeline 5, hot air pipe 6, into silicone tube 7, the first pipe 701, the second pipe 702, third pipe 703, turbine type is blown
Blower 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, feeder 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, shot back-fire arrangement, including furnace body 1 as shown in Figure 1:, be followed successively by furnace body 1 from top to bottom one into
Expect that 101, two reversing chambers 102 of chamber and the chamber 103 that gathers materials, these cavitys are split by four partitions 2, each partition 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 general pipeline 5, and the free end of general pipeline 5 is equipped with tee pipe coupling, and the lower section of general pipeline 5, which is equipped with, is mounted on tee tube
The free end of hot air pipe 6 on connector, hot air pipe 6 is connected to the lower reversing chamber 102 of ground clearance.As shown in Fig. 2, general pipeline 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 third pipe 703 by the second pipe 702, 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 protrudes 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, offers through-hole 18, through-hole on the partition 2 above dispersion plate 15
The opening at 18 tops is greater than the opening of 18 bottom of through-hole, and the cross section of through-hole 18 is inverted trapezoidal.Conveyer is provided on partition 2
Structure, as shown in figure 4, conveying mechanism includes feeder 19, feeder 19 is slidably mounted on partition 2, the top of feeder 19 and
Lower sides offer material hole 20, and the two sides of feeder 19 are equipped with the limit strip 21 being mounted on partition 2, limit strip 21
It is slidably connected with feeder 19, is equipped with inclined sliding rail 22 below the conveying mechanism of each reversing chamber 102.Thermoregulative mechanism includes
The relief tube 23 of adjacent two reversing chamber is connected, is equipped with relief valve 24 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, 25 left side of air-introduced machine is connected to by returning silicone tube 27 with into silicon bucket 10, is returned 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, is equipped with manifold valve on branch pipe 28.
Embodiment 2, difference from Example 1, the shape of buffer board 9 are arc-shaped.
When practical application, referring to Fig.1, when carrying out tempering to shot, the high temperature and high pressure gas in hot-blast stove 4 is logical first
Enter general pipeline 5, a portion hot wind is reached by hot air 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 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 drives the silicon powder opened into silicon valve 11, into silicon bucket 10
By entering into silicon valve 11 into silicone tube 7.Wherein hot wind a part in hot-blast stove 4 is entered by general pipeline 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 silicon powder 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 drives silicon powder to enter in the second pipe 702 so that silicon powder changes the direction of motion, meanwhile, under the action of buffer board 9, silicon
Powder mutually collides.By the above-mentioned means, silicon powder is filled with entire pipeline, a large amount of silicon powder enters in dispensing passage 17, is feeding
Under the power of the air-introduced machine 25 of 101 top of chamber, silicon powder is entered in feed cavity 101 by dispersion hole 16, is sufficiently mixed with shot, and
And silicon powder is attached to shot surface, forms protective layer, the shot that surface is attached with silicon powder enters collection by dispersion plate 15 and partition 2
Expect in chamber 103.
Meanwhile extra silicon powder, under the action of air-introduced machine 25, a part is entered by returning silicone tube 27 into silicon bucket 10, and
The silicon powder of the part restores initial temperature under the action of the first cooler 26, uses convenient for next time.Another part silicon powder is logical
It crosses branch pipe 28 to enter in feed hopper 3, shot is pre-processed.
What has been described above is only an 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 also should be considered as protection scope of the present invention, these all will not influence 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 embodiment in specification can be used for explaining the content of claim.
Claims (8)
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, between hot-blast stove and furnace body connect have hot air pipe, be successively arranged 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 air pipe of the bottom connect
It is logical, the first conveying mechanism that can seal feeding downwards is equipped on the partition, 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 it 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 layer
It is connected into silicone tube, is mounted on into silicon bucket on silicone tube；It is described into silicone tube include be sequentially communicated first pipe, second pipe and third
Pipe, the first pipe and third pipe lateral arrangement, the second pipe are vertically arranged, and the junction of the first pipe and the second pipe is equipped with turbine type and blows
The buffer board being obliquely installed is equipped in blower, the second pipe and the pipe of the junction of third pipe；It is equipped with and divides in the middle layer reversing chamber
It falls apart, the second conveying mechanism corresponding with partition is installed on dispersion plate, dispersion plate vertically offers multiple dispersion holes, dispersion plate
Dispensing passage laterally is offered, the bottom of dispersion hole is connected to dispensing passage, and the side of dispensing passage is connected into silicone tube, position
Through-hole is offered on partition above the dispersion plate；The air-introduced machine side and feed cavity are connected by recovery tube, air-introduced machine
The other side with into silicon bucket by return silicone tube connect, return silicone tube on the first cooler is installed.
2. shot back-fire arrangement according to claim 1, it is characterised in that: the buffer board is equipped with multiple protrusions.
3. shot back-fire arrangement according to claim 1, it is characterised in that: the shape of the buffer board is arc-shaped.
4. shot back-fire arrangement according to claim 1, it is characterised in that: described to be connected between silicone tube and hot-blast stove
General pipeline, hot air pipe are connected to close to hot-blast stove one end with general pipeline, into silicone tube on the second cooler is installed.
5. 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 is band movable plate, described one end with movable plate is connect with into silicon valve, and the other end with movable plate protrudes into furnace body and is located at dispersion plate
Underface, the lower section with movable plate are connect with inboard wall of furnace body by spring.
6. described in any item shot back-fire arrangements according to claim 1~5, it is characterised in that: first conveying mechanism and
Second conveying mechanism includes feeder, and the feeder is slidably mounted on partition, and the upper and lower part side wall of feeder is equal
Material hole is offered, the two sides of feeder are equipped with the limit strip being mounted on partition, and the limit strip and feeder sliding connect
It connects.
7. described in any item shot back-fire arrangements according to claim 1~5, 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.
8. described in any item shot back-fire arrangements according to claim 1~5, it is characterised in that: the opening of the via top
Greater 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 |
|---|---|
| CN108411095A CN108411095A (en) | 2018-08-17 |
| CN108411095B true 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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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109735792B (en) * | 2018-12-28 | 2020-12-08 | 嘉兴华竹电子有限公司 | Carburizing and carbonitriding heating furnace |
| CN112813247B (en) * | 2020-12-18 | 2022-04-01 | 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 | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023985A (en) * | 1975-09-29 | 1977-05-17 | Cleveland Metal Abrasive, Inc. | Steel abrasives and method for producing same |
| CN201447499U (en) * | 2009-07-15 | 2010-05-05 | 铁岭市银州金属磨料厂 | Drum-type steel shot sand tempering furnace |
| CN206157194U (en) * | 2016-10-20 | 2017-05-10 | 多棱新材料股份有限公司 | Rotary type steel shot tempering furnace |
| CN106702128A (en) * | 2016-12-27 | 2017-05-24 | 重庆市青蓝机械制造有限公司 | Steel shot tempering furnace |
| JP6246761B2 (en) * | 2015-06-02 | 2017-12-13 | Ｊｆｅスチール株式会社 | Manufacturing method of steel member for machine structure |
-
2018
- 2018-03-29 CN CN201810272676.4A patent/CN108411095B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023985A (en) * | 1975-09-29 | 1977-05-17 | Cleveland Metal Abrasive, Inc. | Steel abrasives and method for producing same |
| CN201447499U (en) * | 2009-07-15 | 2010-05-05 | 铁岭市银州金属磨料厂 | Drum-type steel shot sand tempering furnace |
| JP6246761B2 (en) * | 2015-06-02 | 2017-12-13 | Ｊｆｅスチール株式会社 | Manufacturing method of steel member for machine structure |
| CN206157194U (en) * | 2016-10-20 | 2017-05-10 | 多棱新材料股份有限公司 | Rotary type steel shot tempering furnace |
| CN106702128A (en) * | 2016-12-27 | 2017-05-24 | 重庆市青蓝机械制造有限公司 | Steel shot tempering furnace |
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| Publication number | Publication date |
|---|---|
| CN108411095A (en) | 2018-08-17 |
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