CN207865941U - A kind of totally-enclosed resistance furnace - Google Patents
A kind of totally-enclosed resistance furnace Download PDFInfo
- Publication number
- CN207865941U CN207865941U CN201820151703.8U CN201820151703U CN207865941U CN 207865941 U CN207865941 U CN 207865941U CN 201820151703 U CN201820151703 U CN 201820151703U CN 207865941 U CN207865941 U CN 207865941U
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- China
- Prior art keywords
- resistance furnace
- totally
- self
- operated type
- top closure
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- Expired - Fee Related
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- Vertical, Hearth, Or Arc Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a kind of totally-enclosed resistance furnaces; the resistance furnace is horizontal electric resistance furnace; it is made of resistance furnace and top closure cover two parts; self-operated type one-way exhausting device is installed on the top closure cover and vacuumizes or lead to protective gas device; the self-operated type one-way exhausting device is connected with Environmental-protection dust removal device by attachment device; it is horizontally installed with a graphite electrode in the resistance furnace, can be used for preparing the non-oxidized substances such as silicon carbide, boron carbide.The utility model is smelted using totally-enclosed resistance furnace, and there are when self-operated type single port exhaust apparatus so that B2O3Volatilization is few at high temperature, and raw material availability is high；Connect Environmental-protection dust removal device, the B of volatilization2O3Recoverable, energy conservation and environmental protection.
Description
Technical field
The utility model is related to the fields such as material, chemical industry, and in particular to it is non-oxygen that one kind being used to prepare silicon carbide, boron carbide etc.
The totally-enclosed resistance furnace of compound.
Background technology
Boron carbide has high rigidity, low-density, excellent neutron absorption performance, excellent chemical stability and wear-resisting
Property, it is widely used as refractory material, grinding-material, engineering ceramic material, military project armour material and nuclear reactor
Shielding material etc..The method for preparing boron carbide both at home and abroad at present has：Carbon shirt-circuiting furnace or electrothermal furnace carbothermic method, swash at magnesiothermy
Light inducible, collosol and gel carbothermic method etc., wherein preparation of industrialization boron carbide generally use the smelting mode of electric arc furnaces, but
It is not easy to control using electric arc furnace smelting its process, thermal loss is big, high energy consumption, and the stove area temperature difference is big, and it is severe to produce bad border, energy consumption
Height, the stove area temperature difference is big, produces the disadvantages such as bad border is severe, and product purity is low.Therefore, it develops energy saving other than electric arc furnace smelting
Type, the smelting mode for the boron carbide that is produced on a large scale are particularly important.
Utility model content
To solve the above problems, the utility model provides a kind of totally-enclosed resistance furnace.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of totally-enclosed resistance furnace, the resistance furnace are horizontal electric resistance furnace, are made of resistance furnace and top closure cover two parts,
It is characterized in that, self-operated type one-way exhausting device is installed on the top closure cover and vacuumizes or lead to protective gas device,
The self-operated type one-way exhausting device is connected with Environmental-protection dust removal device by attachment device, and one is horizontally installed in the resistance furnace
Graphite electrode.
Preferably, the Environmental-protection dust removal device is mounted on top surface on the top closure cover, self-operated type one-way exhaust dress
Set and vacuumize or lead to the both sides that protective gas device is arranged symmetrically in the Environmental-protection dust removal device.
Preferably, the self-operated type one-way exhausting device uses hard tube structure, it is provide with and sets through the top closure, and
One check valve is installed in the hard tube.
Preferably, described vacuumize or lead to protective gas device using hard tube structure, the top closure is run through in one end
It is provide with to set and extend in resistance furnace, the other end is connected with one end of the attachment device.
The utility model has the advantages that：
It is smelted using totally-enclosed resistance furnace, there are when self-operated type single port exhaust apparatus so that B2O3It volatilizees at high temperature
Few, raw material availability is high；Connect Environmental-protection dust removal device, the B of volatilization2O3Recoverable, energy conservation and environmental protection, product purity is high, can
It is used as refractory material, grinding-material, ceramic material etc..
Description of the drawings
Fig. 1 is the cross sectional view of the totally-enclosed resistance furnace of the utility model embodiment.
Fig. 2 is the sectional side elevation of the totally-enclosed resistance furnace of the utility model embodiment.
Fig. 3 is the horizontal profile of the totally-enclosed resistance furnace of the utility model embodiment.
Fig. 4 is the structural schematic diagram of one specifically used example of the utility model.
Wherein, 1, resistance furnace；2, graphite electrode；3, top closure cover；4, Environmental-protection dust removal device；5, vacuumize or lead to protection
Gas device；6, self-operated type one-way exhausting device；7, attachment device.
Specific implementation mode
In order to make the purpose of this utility model and advantage be more clearly understood, with reference to embodiments to the utility model into
Row is further described.It should be appreciated that specific embodiment described herein is only used to explain the utility model, and do not have to
In restriction the utility model.
As shown in Figure 1-Figure 3, the utility model embodiment provides a kind of totally-enclosed resistance furnace, which is Horizontal electric
Stove is hindered, is made of resistance furnace and top closure cover two parts, which is characterized in that self-operated type list is installed on the top closure cover
To exhaust apparatus and protective gas device is vacuumized or leads to, the self-operated type one-way exhausting device is connected with ring by attachment device
Dust-extraction unit is protected, a graphite electrode is horizontally installed in the resistance furnace.
The Environmental-protection dust removal device is mounted on top surface on the top closure cover, self-operated type one-way exhausting device and vacuumizes
Or logical protective gas device is arranged symmetrically in the both sides of the Environmental-protection dust removal device.The self-operated type one-way exhausting device is using hard
Pipe structure is provide with through the top closure and sets, and is equipped with a check valve in the hard tube.It is described to vacuumize or lead to protective gas
Device uses hard tube structure, one end to be provide with to set through the top closure and extend in resistance furnace, and the other end is filled with the connection
The one end set is connected.
As described in Figure 4, this specific implementation is in use, boric acid, petroleum coke, boron cash, sawdust are made into according to a certain percentage mixed
It closes material to be packed into resistance furnace 1, graphite electrode 2 is deep into the refractory brickwork of resistance furnace 1, and top closure cover 3 is covered in resistance furnace 1
On, after sealing is tight, protective gas will be vacuumized or be passed through in stove by device 5, then access direct current, pass through graphite electricity
Pole generates prodigious heat, and the mixed material heating in stove is melted, slowly crystallize into boron carbide.It, can not in crystallization process
Gases and the dust such as disconnected generation vapor, carbon monoxide, sulfur dioxide, diboron trioxide, the above gas and dust can be from stoves
6 loss of self-operated type one-way exhausting device on top comes out, and is recycled and is reused using Environmental-protection dust removal device 4.It waits for anti-
After should completing cooling, secondary operation uses after boron carbide crystalline solid in stove is carried out sizing screening.
In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
Claims (4)
1. a kind of totally-enclosed resistance furnace, can be used for preparing the non-oxidized substances such as silicon carbide, boron carbide, which is horizontal resistance
Stove is made of resistance furnace and top closure cover two parts, which is characterized in that it is unidirectional to be equipped with self-operated type on the top closure cover
Exhaust apparatus and protective gas device is vacuumized or leads to, the self-operated type one-way exhausting device is connected with environmental protection by attachment device
Dust-extraction unit is horizontally installed with a graphite electrode in the resistance furnace.
2. a kind of totally-enclosed resistance furnace as described in claim 1, which is characterized in that the Environmental-protection dust removal device is mounted on described
Top surface on top closure cover, self-operated type one-way exhausting device and vacuumizes or leads to protective gas device and be arranged symmetrically in the environmental protection
The both sides of dust-extraction unit.
3. a kind of totally-enclosed resistance furnace as described in claim 1, which is characterized in that the self-operated type one-way exhausting device uses
Hard tube structure is provide with through the top closure and sets, and is equipped with a check valve in the hard tube.
4. a kind of totally-enclosed resistance furnace as described in claim 1, which is characterized in that described to vacuumize or lead to protective gas device
Using hard tube structure, one end is provide with to set and extend in resistance furnace through the top closure, the other end and the attachment device
One end is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820151703.8U CN207865941U (en) | 2018-01-30 | 2018-01-30 | A kind of totally-enclosed resistance furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820151703.8U CN207865941U (en) | 2018-01-30 | 2018-01-30 | A kind of totally-enclosed resistance furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207865941U true CN207865941U (en) | 2018-09-14 |
Family
ID=63459267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820151703.8U Expired - Fee Related CN207865941U (en) | 2018-01-30 | 2018-01-30 | A kind of totally-enclosed resistance furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207865941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921671A (en) * | 2019-11-27 | 2020-03-27 | 郑州大学 | Method for continuously producing boron carbide |
-
2018
- 2018-01-30 CN CN201820151703.8U patent/CN207865941U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921671A (en) * | 2019-11-27 | 2020-03-27 | 郑州大学 | Method for continuously producing boron carbide |
| CN110921671B (en) * | 2019-11-27 | 2024-01-19 | 郑州大学 | Method for continuously producing boron carbide |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20200130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |