CN206536029U - A kind of metal dust continuous vacuum vertical annealing furnace - Google Patents
A kind of metal dust continuous vacuum vertical annealing furnace Download PDFInfo
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- CN206536029U CN206536029U CN201720144513.9U CN201720144513U CN206536029U CN 206536029 U CN206536029 U CN 206536029U CN 201720144513 U CN201720144513 U CN 201720144513U CN 206536029 U CN206536029 U CN 206536029U
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- metal dust
- annealing furnace
- cooling tank
- flue
- annealing
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Abstract
The utility model discloses a kind of metal dust continuous vacuum vertical annealing furnace, mainly it is made up of feeding warehouse, transitional storehouse, heating chamber, flue, cooling tank, powder gas-moving device, vacuum plant；Vacuum plant is connected with flue, feeding warehouse, transitional storehouse, cooling tank, and the dual purpose of vacuum annealing and atmosphere protection annealing is reached with this.Annealing furnace structure of the present utility model is simple, easy to operate, is controlled by the simple operations of each valve, can easily realize the continuous annealing of metal dust under vacuum state.The utility model scheme make it that at the annealing of metal dust that under vacuum conditions good product performance, required protective atmosphere amount is few, while realizing continuous operation, labor strength is reduced, and energy consumption is low, efficiency high；Thus while metal dust annealing quality and efficiency is lifted, the problem that product annealing cost is high, efficiency is low is solved.
Description
Technical field
The utility model is related to metal heat treatment equipment technical field, more particularly to a kind of for standing that metal dust is annealed
Formula stove.
Background technology
The annealing of metal dust is common manufacturing procedure in a kind of Powder Metallurgy Industry, and the annealing of metal dust can
So that oxide is reduced, so as to reduce the content of carbon and other impurity, thus the purity of powder is improved；Simultaneously, lead to
The internal stress produced in the process of powder, the crystal knot of stable powder can also be eliminated by crossing metal dust annealing process
Structure.
Existing traditional vacuum annealing furnace, product quality stabilization, anaerobic, impurity are few, and surface of material finish is good after annealing,
But equipment cost is high, low production efficiency is unfavorable for forming large-scale annealing.
The steel tape stove of existing atmosphere protection, production efficiency is high, and yield is big, still, and protective atmosphere consumption is big, annealing
During thermal loss it is big, performance is easily influenceed by atmosphere purity, and batch quality fluctuation is big, and cost remains high.
Utility model content
Not enough for existing annealing furnace, the purpose of this utility model is to provide that a kind of cost is lower, more efficient gold
Belong to powder continuous vacuum vertical annealing furnace.
To solve above technical problem, the technical solution adopted in the utility model is：A kind of metal dust continuous vacuum
Vertical annealing furnace, feeding warehouse that the annealing furnace includes being sequentially connected from top to bottom by pipeline, transitional storehouse, is arranged at heating chamber
Interior flue, cooling tank, the feeding warehouse are connected by pipeline with powder gas-moving device；
The feeding warehouse, transitional storehouse, flue, it is provided with water cooling butterfly valve on the pipeline of cooling tank bottom；
The annealing furnace also includes vacuum plant, the vacuum plant by pipeline and feeding warehouse, transitional storehouse,
The pipeline connection of flue bottom, connecting portion is in the bottom of the water cooling butterfly valve；
Protective gas air inlet is provided with the transitional storehouse, flue, the pipeline on cooling tank top, is protected
Gas enters the transitional storehouse, flue, cooling tank by each protective gas gas air inlet.
Further, the vacuum plant passes through cyclone dust separator and the feeding warehouse, transitional storehouse, flue bottom
Pipeline is connected.
Further, the feeding warehouse is connected by pipeline with dust arrester, and observation window is provided with the dust arrester, can be led to
Cross the change of observation dust to judge the situation of powder pneumatic shuttle force feed material, to ensure that material is completely fed to feeding warehouse.
Further, the powder gas-moving device is connected by pipeline with air compression system.
Further, the thermometric for the metal dust temperature change for being used to monitor annealing is provided with the flue and cooling tank
System.
Further, the feeding warehouse, transitional storehouse, be provided with cooling tank and passed in and out for observing metal dust in tank body
With the observation window of storage situation.
Further, the cooling tank is connected by the pipeline of oblique cutting with cooling medium.
Further, the cooling tank is dismountable movable tank, and cooling tank is designed as dismountable movable tank, annealed
Complete material is detachably removed after entering cooling tank, changes empty cooling tank, time-consuming longer cool time is not take up entirely
The working time of stove, reach the function of continuous annealing.
Further, the protective gas is the mixed gas of nitrogen, argon gas either both arbitrary proportions.
Further, the water cooling butterfly valve of the cooling tank lower end is the water cooling butterfly valve with cold water jacket.
In summary, with the technical solution of the utility model, have the advantages that：The utility model is provided
A kind of vertical annealing furnace of inexpensive metal dust, including heating chamber, flue, feeding warehouse, transitional storehouse, cooling tank, powder
Gas-moving device, vacuum plant；Feeding warehouse, transitional storehouse, heating chamber and cooling tank connect placement from top to bottom；Metal dust passes through powder
Material gas-moving device sequentially enters feeding warehouse, transitional storehouse, flue and is heat-treated；Pass through vacuum plant and flue, transitional storehouse, cooling
Tank is connected, and protective gas is connected by pipeline and flue, transitional storehouse, cooling tank etc., so as to reach that vacuum and atmosphere protection are common
The purpose of annealing.Annealing furnace simple structure of the present utility model, easy to operate, the labor intensity of workman is reduced, metal dust
At annealing under vacuum conditions, good product performance, required protective atmosphere amount is few, and annealing cost is cheap, efficiently solves metal powder
The problem of last annealing atmosphere and high electric cost, the performance of product is not only increased, also improve the efficiency of annealing.
Brief description of the drawings
Fig. 1 is the structural representation of the annealing furnace of the utility model embodiment.
In figure：1st, feeding warehouse；2nd, transitional storehouse；3rd, heating chamber；4th, flue；5th, cooling tank；6th, powder gas-moving device；7th, pneumatics
System；8th, the dust arrester with observation panel；9th, head tank water cooling butterfly valve；10th, protective gas air inlet 1；11st, transitional storehouse water cooling butterfly
Valve；12nd, protective gas air inlet 2；13rd, cooling tank charging water cooling butterfly valve；14th, protective gas air inlet 3；15th, cyclone dust point
From device；16th, vacuum plant；17th, high temperature isolating valve；18th, cooling tank discharging water cooling butterfly valve
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, but do not constitute the limitation to the utility model protection domain.
A kind of metal dust continuous vacuum vertical annealing furnace as shown in Figure 1, including heating chamber 3, it is fixed on heating chamber 3
Interior flue 4, feeding warehouse 1, transitional storehouse 2, cooling tank 5, powder gas-moving device 6, vacuum plant 7；Vacuum plant 7 and flue 4, mistake
Storehouse 2, cooling tank 5 is crossed to connect；Feeding warehouse 1, transitional storehouse 2, heating chamber 3 and cooling tank 5 connect placement from top to bottom；In flue 4, enter
Feed bin 1, transitional storehouse 2, the side of cooling tank 5 are provided with vacuum plant 7, and vacuum plant 7 is by revolving dust separator 15 and flue 4, mistake
Storehouse 2, cooling tank 5 is crossed to connect；Protective gas is connected by corresponding air inlet 10,12,14 and flue 4, transitional storehouse 2, cooling tank 5
Connect；Metal dust sequentially enters feeding warehouse 1 by powder gas-moving device 6, is then annealed again by transitional storehouse 2 and flue 4；
Processing metal dust to be annealed is placed in flue 4, and flue 4 is fixed in the middle of heating chamber 3；Feeding warehouse 1, transitional storehouse 2, cooling tank
5 are provided with observation window, the situation that observable metal dust is passed in and out and stored in tank body；Feeding warehouse 1, transitional storehouse 2, the and of heating chamber 3
Cooling tank 5 by connecting placement from top to bottom with the water cooling butterfly valve that water jacket is protected；Pipeline and condensation of the cooling tank 5 by oblique cutting
The cooling mediums such as water are connected；Cooling tank 5, which can be dismantled, removes replacing, and the lower end of cooling tank 5 is equipped with the water cooling butterfly valve with cold water jacket；Stove
Courage 3 and cooling tank 5 are provided with temp measuring system, the temperature change of the metal dust for monitoring annealing.
The operation principle of annealing furnace of the present utility model is as follows：When being started working under cold state, closing is first passed through all
Connecting valve, material to be annealed is loaded powder gas-moving device 6, air compression system 7 is started and mixes up required pressure, waiting to move back
The material of fire is sent in feeding warehouse 1；By the observation panel for the dust collect plant 8 being connected with feeding warehouse, it can be determined that whether material
It is pressed into feeding warehouse from powder gas-moving device 6 completely；Then required vacuum is evacuated to transitional storehouse 1, charging is opened
Storehouse butterfly valve 9, material to be annealed enters transitional storehouse 2；Protective gas air inlet 10 is opened, protective gas is passed through, transitional storehouse 2 is allowed
Pressure shows that slight positive pressure state is to stop inflation；Required vacuum is evacuated to flue 4, transitional storehouse butterfly valve 11 is opened, treats
Material of annealing enters flue 4, heats up and anneals according to the curve set.
Annealing is finished, and then adjusts the air pressure in flue by protective gas air inlet 12, keeps pressure-fired；It is same with this
When, 5 are taken out to cooling tank and is evacuated to required vacuum；High temperature isolating valve 17 and cooling tank charging butterfly valve 13 are opened successively, are allowed
Material after annealing is cooled down into cooling tank 5.
When material is annealed in flue 4, another batch of material to be annealed is entered by the force feed of material gas-moving device 6
Feeding warehouse 1, then enters transitional storehouse 2 according to above-mentioned associative operation；After the material that the emptying annealing of flue 4 is finished, transition is opened
Storehouse butterfly valve 11, allows pending material to enter the annealing work that flue 4 does next round.
So circulation is continuous, allows material to be annealed to advance into transitional storehouse 2 in the annealing end of flue 4, annealing one terminates,
And then flue 4 can do the annealing work of next round again, it is achieved thereby that continuous continual annealing work.
Cooling tank 5 can in time be unloaded according to actual conditions and removed, and change empty cooling tank 5, it is ensured that the thing that annealing is completed
The residence time is not long in flue 4 for material, the utilization rate of annealing furnace is improved, while it also avoid the hardened generation of material.
When the material of cooling tank 5 is cooled to required temperature, opens the following cooling tank discharging butterfly valve 18 of cooling tank 5 and enter
Row draw operation.
These above all of operations can be carried out by the corresponding button on the electrical control cabinet that annealing sole is set up
Visualized operation.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and moistened
Decorations are also considered as protection domain of the present utility model.
Claims (10)
1. a kind of metal dust continuous vacuum vertical annealing furnace, it is characterised in that：The annealing furnace is included by pipeline from upper
And under the feeding warehouse, transitional storehouse, the flue being arranged in heating chamber, the cooling tank that are sequentially connected, the feeding warehouse by pipeline with
Powder gas-moving device is connected；
The feeding warehouse, transitional storehouse, flue, it is provided with water cooling butterfly valve on the pipeline of cooling tank bottom；
The annealing furnace also includes vacuum plant, the vacuum plant by pipeline and feeding warehouse, transitional storehouse, flue bottom pipe
Road is connected, and connecting portion is in the bottom of the water cooling butterfly valve；
Protective gas air inlet is provided with the transitional storehouse, flue, the pipeline on cooling tank top, protective gas passes through each
Protective gas gas air inlet enters the transitional storehouse, flue, cooling tank.
2. metal dust according to claim 1 continuous vacuum vertical annealing furnace, it is characterised in that：The vacuum plant
It is connected by cyclone dust separator with the pipeline of the feeding warehouse, transitional storehouse, flue bottom.
3. metal dust according to claim 1 or 2 continuous vacuum vertical annealing furnace, it is characterised in that：The charging
Storehouse is connected by pipeline with dust arrester, and observation window is provided with the dust arrester.
4. metal dust according to claim 3 continuous vacuum vertical annealing furnace, it is characterised in that：The powder pneumatic transmission
Device is connected by pipeline with air compression system.
5. metal dust according to claim 1 continuous vacuum vertical annealing furnace, it is characterised in that：In the flue and
Cooling tank is provided with the temp measuring system for the metal dust temperature change for being used to monitor annealing.
6. metal dust according to claim 1 continuous vacuum vertical annealing furnace, it is characterised in that：The feeding warehouse,
The observation window for passing in and out and storing situation in tank body for observing metal dust is provided with transitional storehouse, cooling tank.
7. metal dust according to claim 1 continuous vacuum vertical annealing furnace, it is characterised in that：The cooling tank leads to
The pipeline for crossing oblique cutting is connected with cooling medium.
8. metal dust according to claim 7 continuous vacuum vertical annealing furnace, it is characterised in that：The cooling tank is
Dismountable movable tank.
9. metal dust according to claim 1 continuous vacuum vertical annealing furnace, it is characterised in that：The protective gas
For the mixed gas of nitrogen, argon gas either both arbitrary proportions.
10. metal dust according to claim 8 continuous vacuum vertical annealing furnace, it is characterised in that：The cooling tank
The water cooling butterfly valve of lower end is the water cooling butterfly valve with cold water jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720144513.9U CN206536029U (en) | 2017-02-17 | 2017-02-17 | A kind of metal dust continuous vacuum vertical annealing furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720144513.9U CN206536029U (en) | 2017-02-17 | 2017-02-17 | A kind of metal dust continuous vacuum vertical annealing furnace |
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| CN206536029U true CN206536029U (en) | 2017-10-03 |
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| CN201720144513.9U Active CN206536029U (en) | 2017-02-17 | 2017-02-17 | A kind of metal dust continuous vacuum vertical annealing furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735178A (en) * | 2017-02-17 | 2017-05-31 | 广州蓝磁新材料科技有限公司 | A kind of metal dust continuous vacuum vertical annealing furnace |
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2017
- 2017-02-17 CN CN201720144513.9U patent/CN206536029U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735178A (en) * | 2017-02-17 | 2017-05-31 | 广州蓝磁新材料科技有限公司 | A kind of metal dust continuous vacuum vertical annealing furnace |
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