CN203731846U - Protective atmosphere fast-cooling and sintering furnace - Google Patents
Protective atmosphere fast-cooling and sintering furnace Download PDFInfo
- Publication number
- CN203731846U CN203731846U CN201420071072.0U CN201420071072U CN203731846U CN 203731846 U CN203731846 U CN 203731846U CN 201420071072 U CN201420071072 U CN 201420071072U CN 203731846 U CN203731846 U CN 203731846U
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- protective atmosphere
- cavity
- furnace
- cooling water
- 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 - Lifetime
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 32
- 238000005245 sintering Methods 0.000 title claims abstract description 25
- 238000001816 cooling Methods 0.000 title claims abstract description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 53
- 239000010935 stainless steel Substances 0.000 claims abstract description 53
- 239000000498 cooling water Substances 0.000 claims abstract description 21
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 239000000047 product Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 7
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 239000007789 gas Substances 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 229910052786 argon Inorganic materials 0.000 claims 1
- 239000003034 coal gas Substances 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000011261 inert gas Substances 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009970 fire resistant effect Effects 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
- Furnace Details (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model relates to a protective atmosphere fast-cooling and sintering furnace which is modification of a common chamber type electric resistance furnace. A rectangular seal cavity is welded by stainless steel. One end of the seal cavity is disposed in the chamber type electric resistance furnace, and the other end thereof extends out of the chamber type electric resistance furnace. A detachable furnace door is disposed at the top of the extending end of the cavity. Circulating cooling water wraps the periphery of the extending end. A thermal insulation fire-resistant protecting layer is disposed between the circulating cooling water and the electric resistance furnace. The cavity is sealed by stainless steel. Protective atmosphere can be fed into the cavity. A gas inlet is formed in the middle of the cavity. A gas outlet is formed in the furnace door at the top. The furnace is applicable to product sintering requiring the protective atmosphere and product cooling requiring the protective atmosphere. The protective atmosphere fast-cooling and sintering furnace has the advantages that excellent sintering quality of products under the protecting atmosphere can be guaranteed, product cooling time is reduced greatly, and the furnace is simple in structure, convenient to use and operate, low in manufacturing cost, and capable of saving production cost.
Description
Technical field
The utility model relates to a kind of equipment, especially a kind of under protective atmosphere the equipment of sintered products.
Background technology
In the production process of diamond metal grinding tool, must use heat-agglomerating equipment.Diamond metal grinding tool, because itself characteristic need to be sintered to 800 DEG C of left and right, starts to occur carbonization and common diamond is heated to 700 DEG C under aerobic environment, and metal powder also needs to do anti-oxidation processing.Therefore will relate to one and can pass into protective atmosphere, there is the agglomerating plant of airtight cavity.Product sintering finishes simultaneously, need to reach energy cooling effect fast under protective atmosphere, to enhance productivity, economizes on resources.
Utility model content
Finish the many and inefficient deficiency of cooling slow, waste material, energy consumption in order to overcome under protective atmosphere product sintering; the utility model provides a kind of protective atmosphere speed cold sintering furnace; this sintering furnace can ensure product sintering under protective atmosphere in use; cooling effect fast after reaching sintering and completing, saves material, the energy simultaneously and raises the efficiency.
For achieving the above object, the utility model solves the technical scheme that its technical problem adopts and is:
The cold sintering furnace of protective atmosphere speed; comprise chamber type electric resistance furnace, stainless steel cavity, thermal insulation layer and circulating cooling water tank; stainless steel cavity airtight end puts in chamber type electric resistance furnace; mid portion is wrapped up by thermal insulation layer; openend has circulating cooling water tank, and stainless steel cavity hatch seals with dismantled and assembled stainless steel fire door.
As the technical scheme of further improvement of the utility model, the dismantled and assembled stainless steel fire door of described stainless steel cavity, with being no less than 8 openends that are bolted to stainless steel cavity, has the rubber washer as sealing use between stainless steel fire door and stainless steel cavity.
As the technical scheme of further improvement of the utility model, in described stainless steel cavity, protective atmosphere air inlet, in upper end, stainless steel cavity middle part, communicates with inner chamber, and gas outlet is in stainless steel fire door bottom.
As the technical scheme of further improvement of the utility model, described recirculated cooling water case and bag are rolled in stainless steel cavity hatch end, and recirculated cooling water, from the water inlet of water tank lower water inlet, is discharged from water tank upper delivery port.
As further improved technical scheme of the present utility model, described product, after the heat-agglomerating of chamber type electric resistance furnace end finishes, moves to circulating cooling water tank end place, realizes product cooling rapidly under protective atmosphere.
In sum, the beneficial effects of the utility model are: ensure that product sintering character under protective atmosphere is good, it is cooling fast that sintering finishes rear realization, economizes on resources and enhance productivity.
Brief description of the drawings
Fig. 1 is half sectional view of the present utility model.
Fig. 2 is three-dimensional view of the present utility model.
Fig. 3 is reaction the utility model stainless steel fire door screw and escape pipe position.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further.
The cold sintering furnace of protective atmosphere speed as shown in Figure 1 to Figure 3, comprises chamber type electric resistance furnace (1), stainless steel cavity (2), thermal insulation layer (3) and circulating cooling water tank (4).Described stainless steel cavity (2) sealed end puts in chamber type electric resistance furnace (1), mid portion is wrapped up by thermal insulation layer (3), openend has circulating cooling water tank (4), stainless steel cavity (2) opening has dismantled and assembled stainless steel fire door (5) sealing, as shown in Figure 5.The dismantled and assembled stainless steel fire door (5) of described stainless steel cavity (2), with being no less than 8 openends that are bolted to stainless steel cavity (2), has the rubber washer (6) as sealing use between stainless steel fire door (5) and stainless steel cavity (2).In described stainless steel cavity (2), pass into protective atmosphere air inlet (7) in upper end, stainless steel cavity (2) middle part, communicate with inner chamber, gas outlet (10) are in stainless steel fire door (5) bottom.Described circulating cooling water tank (4) is wrapped in stainless steel cavity (2) openend, and recirculated cooling water, from the water inlet of water tank lower water inlet, is discharged from water tank upper delivery port.Described product (8), after the heat-agglomerating of chamber type electric resistance furnace (1) end finishes, moves to circulating cooling water tank (4) end product (9) and locates, and realizes the cooling rapidly of under protective atmosphere product.
The chamber type electric resistance furnace (1) of the cold sintering furnace of the utility model protective atmosphere speed is ordinary procedure controlling resistance heating furnace, and stainless steel cavity (2) sealed end passes in chamber type electric resistance furnace (1).Stainless steel cavity (2) is to be welded by the stainless steel of thick about 8mm, has fire-resistant oxidation resistant performance, and only one end has and can open fire door.Between stainless steel fire door (5) and stainless steel cavity (2), there is the rubber washer (6) as sealing use, airtight rear air tight.Described thermal insulation layer (3) is to prevent that heat energy runs off, reduces the effect of stove surface temperature in a large number while playing heating, is to cover parcel with fire clay to make, and skin is fixed with aluminium skin.Described circulating cooling water tank (4) is to be wrapped in stainless steel cavity (2) openend, directly contacts with stainless steel shell cavity.
The occupation mode of the cold sintering furnace of the utility model protective atmosphere speed is:
The vessel that product is housed are positioned over to the interior sealed end of stainless steel cavity (2) (8) and locate, load onto stainless steel fire door (5) and screw 8 bolts (11) guarantee sealing.Open air accumulator valve, ventilation end (7) passes into protective atmosphere 30 minutes, and atmosphere to be protected can be covered with in whole cavity.Open chamber type electric resistance furnace (1) power supply and start to heat up, by conducting heat stainless steel cavity (2) heating, and by product sintering in cavity.After product sintering finishes, ON cycle cooling water tank (4) recirculated water, moves to stainless steel fire door end (9) by the vessel that product is housed and locates to carry out cooling.Be cooled to after suitable temperature, close protective atmosphere breather valve and recirculated cooling water, open fire door (5) product is taken out.
Described in the utility model, concrete case study on implementation is only better case study on implementation of the present utility model, is not used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modify, all should serve as technology category of the present utility model.
Claims (5)
1. the cold sintering furnace of protective atmosphere speed; it is characterized in that: comprise chamber type electric resistance furnace (1), stainless steel cavity (2), thermal insulation layer (3) and circulating cooling water tank (4); described stainless steel cavity (2) sealed end puts in chamber type electric resistance furnace (1); mid portion is wrapped up by thermal insulation layer (3); openend has circulating cooling water tank (4), and stainless steel cavity (2) opening has dismantled and assembled stainless steel fire door (5) sealing.
2. the cold sintering furnace of protective atmosphere speed according to claim 1; it is characterized in that: the dismantled and assembled stainless steel fire door (5) of described stainless steel cavity (2), with being no less than 8 openends that are bolted to stainless steel cavity (2), has the rubber washer (6) as sealing use between stainless steel fire door (5) and stainless steel cavity (2).
3. the cold sintering furnace of protective atmosphere speed according to claim 1; it is characterized in that: in described stainless steel cavity (2), can pass into protective atmosphere has reproducibility and (or) the inert gases such as nitrogen, argon gas, hydrogen and coal gas; protective atmosphere air inlet (7) is in upper end, stainless steel cavity (2) middle part; communicate with inner chamber, gas outlet (10) are in stainless steel fire door (5) bottom.
4. the cold sintering furnace of protective atmosphere speed according to claim 1; it is characterized in that: described circulating cooling water tank (4) is wrapped in stainless steel cavity (2) openend; recirculated cooling water is intake from water tank lower water inlet; discharge from water tank upper delivery port; recirculated cooling water is to extract out from tank, and enters in tank.
5. the cold sintering furnace of protective atmosphere speed according to claim 1; it is characterized in that: described product (8) is after the heat-agglomerating of chamber type electric resistance furnace (1) end finishes; move to circulating cooling water tank (4) end product (9) and locate, realize the cooling rapidly of under protective atmosphere product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071072.0U CN203731846U (en) | 2014-02-19 | 2014-02-19 | Protective atmosphere fast-cooling and sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071072.0U CN203731846U (en) | 2014-02-19 | 2014-02-19 | Protective atmosphere fast-cooling and sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203731846U true CN203731846U (en) | 2014-07-23 |
Family
ID=51201914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420071072.0U Expired - Lifetime CN203731846U (en) | 2014-02-19 | 2014-02-19 | Protective atmosphere fast-cooling and sintering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203731846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913630A (en) * | 2014-02-19 | 2015-09-16 | 南京三超新材料股份有限公司 | Protective atmosphere fast cooling sintering furnace |
-
2014
- 2014-02-19 CN CN201420071072.0U patent/CN203731846U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913630A (en) * | 2014-02-19 | 2015-09-16 | 南京三超新材料股份有限公司 | Protective atmosphere fast cooling sintering furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NANJING SANCHAO ADVANCED MATERIALS CO., LTD. Free format text: FORMER NAME: NANJING SANCHAO DIAMOND TOOLS CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 211124, Jiangning Road, Chunhua District, Jiangsu City, Nanjing Province, Ze Cheng Road, No. 77 Patentee after: NANJING SANCHAO ADVANCED MATERIALS Co.,Ltd. Address before: 211124 tea hillock, Tu Town, Jiangning District, Jiangsu, Nanjing Patentee before: NANJING SANCHAO DIAMOND TOOLS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |