CN205222082U - Aluminium oxide air conveying system's jet nozzle - Google Patents
Aluminium oxide air conveying system's jet nozzle Download PDFInfo
- Publication number
- CN205222082U CN205222082U CN201521031320.XU CN201521031320U CN205222082U CN 205222082 U CN205222082 U CN 205222082U CN 201521031320 U CN201521031320 U CN 201521031320U CN 205222082 U CN205222082 U CN 205222082U
- Authority
- CN
- China
- Prior art keywords
- nozzle
- aluminium oxide
- core
- housing
- conveying system
- 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 - Fee Related
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Abstract
The utility model provides an aluminium oxide air conveying system's jet nozzle, belongs to electrolytic aluminum production equipment field, including nozzle core, and nozzle housing, nozzle core install inside nozzle housing, make by wear -resisting ceramic material, nozzle housing be located nozzle core's outside, make by steel, the life that can improve the nozzle has, change convenient characteristics.
Description
Technical field
The utility model belongs to Aluminum Electrolysis Production apparatus field, particularly a kind of jet nozzle of aluminium oxide blast system.
Background technology
Produce in modern aluminum industry, most employing cryolite-aluminium oxide molten salt electrolysis produces aluminium, molten cryolitic is solvent, aluminium oxide is as Aluminum Electrolysis Production solute, and using carbon body as anode, aluminium liquid is as negative electrode, after passing into powerful direct current (DC), at 950 DEG C-970 DEG C, electrochemical reaction is carried out at the two poles of the earth in electrolytic bath, i.e. electrolysis; Anodic product is carbon dioxide and CO gas mainly, wherein containing pernicious gas and solid dusts such as a certain amount of hydrogen fluoride, for protection of the environment and human health need antianode gas to carry out purifying treatment, air is entered after removing pernicious gas and dust, cathode product is aluminium liquid, and aluminium liquid is extracted out in groove by vacuum ladle, is sent to foundry shop, in holding furnace through purification clarification after, be cast into aluminium ingot or be directly processed into other forms of aluminium product; In its production process, aluminium oxide be adopt be processed into Powdered after be sent to electrolytic bath, the conveying of aluminium oxide adopts blast system to carry out now mostly, pass through in journey at its wind, need to adopt jet pump to be sent by alumina powder, and jet pump is depending nozzle ejection high velocity air, makes periphery air pressure step-down, thus alumina powder is sucked delivery duct, and reach the object that wind send; Existing nozzle adopts integrated steel nozzle mostly, because nozzle sprays high velocity air for a long time, is easily worn, often damages, and needs to shut down to change.
Summary of the invention
For the above problem that existing alumina transferring distribution box exists, the utility model proposes a kind of jet nozzle of aluminium oxide blast system, it is characterized in that: comprise nozzle core, nozzle housing; Described nozzle core is arranged on nozzle housing inside, is made up of wear-resistant ceramic material; Described nozzle housing is positioned at the outside of nozzle core, is made up of steel.
Beneficial effect
The beneficial effects of the utility model are, can improve the service life of nozzle, and it is convenient to change.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
1. nozzle core, 2. nozzle housing.
Detailed description of the invention
In order to further illustrate the technical solution of the utility model, existing accompanying drawings detailed description of the invention of the present utility model, as Fig. 1, select steel to make outside dimension and the measure-alike nozzle housing 2 of the general nozzle exterior of the industry, the size that the inner cavity size of nozzle housing 2 equals burner bore adds the thickness of nozzle core 1; Adopt wear-resistant ceramic material, be made into nozzle core 1, the nozzle bore that the endoporus of nozzle core 1 is general with the industry is identical; The outside dimension of nozzle core 1 equals the inner cavity size of nozzle housing 2, nozzle core 1 is arranged on nozzle housing 2 inner, and is arranged on nozzle holder by nozzle housing 2, just complete enforcement of the present utility model; During application, the wear resisting property due to wear-resistant ceramic is far longer than the wear resisting property of iron and steel, so extend the service life of nozzle; Because nozzle housing 2 have employed ferrous materials, ensure that the Rigidity and strength of whole nozzle; When needs are changed, nozzle housing 2 is screwed off from nozzle holder, take out nozzle core 1, change new nozzle core 1, nozzle housing 2 is reinstalled on nozzle holder just passable, so change conveniently, save cost, overcome integrated steel nozzle not wear-resisting, the defect that bulk ceramics nozzle strength is frangible not.
Claims (1)
1. a jet nozzle for aluminium oxide blast system, is characterized in that: comprise nozzle core, nozzle housing; Described nozzle core is arranged on nozzle housing inside, is made up of wear-resistant ceramic material; Described nozzle housing is positioned at the outside of nozzle core, is made up of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031320.XU CN205222082U (en) | 2015-12-14 | 2015-12-14 | Aluminium oxide air conveying system's jet nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031320.XU CN205222082U (en) | 2015-12-14 | 2015-12-14 | Aluminium oxide air conveying system's jet nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205222082U true CN205222082U (en) | 2016-05-11 |
Family
ID=55897159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521031320.XU Expired - Fee Related CN205222082U (en) | 2015-12-14 | 2015-12-14 | Aluminium oxide air conveying system's jet nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205222082U (en) |
-
2015
- 2015-12-14 CN CN201521031320.XU patent/CN205222082U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161214 |