CN202497927U - Flow control device for silicon carbide powder overflow classifier - Google Patents
Flow control device for silicon carbide powder overflow classifier Download PDFInfo
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- CN202497927U CN202497927U CN2012200931067U CN201220093106U CN202497927U CN 202497927 U CN202497927 U CN 202497927U CN 2012200931067 U CN2012200931067 U CN 2012200931067U CN 201220093106 U CN201220093106 U CN 201220093106U CN 202497927 U CN202497927 U CN 202497927U
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- overflow
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- silicon carbide
- overflow tank
- control device
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Abstract
The utility model provides a flow control device for a silicon carbide powder overflow classifier. The flow control device comprises an overflow tank, wherein a feed port and a water inlet are formed in an overflow tank body, a coarse material outlet is formed in the bottom of the overflow tank body, a finished material outlet is formed on the upper part of the overflow tank body; an overflow balance tank is arranged in the overflow tank, the outlet of the overflow balance tank is connected with a finished product outlet, a pressure sensor is arranged on the overflow tank, a flow control valve is arranged on the pipeline of the water inlet, the pressure sensor is connected with the flow control valve through an electric control unit, a water pump is connected with the pipeline of the water inlet, a flowmeter is arranged on the pipeline of the water inlet, the electric control unit comprises a programmable logic controller, and the pressure sensor, the water pump and the flowmeter are all connected with the programmable logic controller. The flow control device is reasonable in structural design, fully utilizes the overflow classification fundamental principles, and adopts intelligent constant flow rate control, so the silicon carbide powder has constant flow rate and constant pressure in the overflow tank, various external interference errors are reduced, and the product quality is ensured.
Description
Technical field
The utility model relates to a kind of grading plant of silicon carbide micro-powder, relates in particular to a kind of silicon carbide micro-powder overflow size separation machine volume control device.
Background technology
At present, silicon carbide micro-powder is told coarse fodder and finished product behind the overflow size separation machine and since in the overflow size separation machine silicon carbide micro-powder because of flowed fluctuation and influence of temperature variation; Can produce mushing error; Cause product quality defective, therefore how to have got rid of the error that artificial disturbance factor and environmental factor are caused to greatest extent, effectively guarantee product quality; Satisfying the production demand, is the emphasis of silicon carbide micro-powder overflow size separation machine research.
The utility model content
The technical problem that the utility model solved is to provide a kind of silicon carbide micro-powder overflow size separation machine volume control device, according to the basic principle of press over system classification, makes the flow-control of micro mist keep constant, to guarantee product quality.
The technical scheme of the technical problem that the utility model solved is: a kind of silicon carbide micro-powder overflow size separation machine volume control device; Comprise overflow tank, the tank body of overflow tank is provided with material inlet and water inlet, and the tank base of overflow tank is provided with the coarse fodder outlet; The tank body top of overflow tank is provided with the outlet of finished product material; The inside of overflow tank is provided with the overflow compensating groove, and the outlet of overflow compensating groove connects the outlet of finished product material, and overflow tank is provided with pressure sensor; The pipeline of water inlet is provided with flow control valve, and pressure sensor is connected with flow control valve through electric control gear.
As optimized technical scheme, be connected with water pump on the pipeline of water inlet.
As optimized technical scheme, the pipeline of water inlet is provided with flowmeter.
As optimized technical scheme, electric control gear comprises Programmable Logic Controller, and pressure sensor, water pump and flowmeter all are connected with Programmable Logic Controller.
Owing to adopted a kind of silicon carbide micro-powder overflow size separation machine volume control device of technique scheme; Pressure value through determination of pressure sensor overflow tank internal flow medium; And, make pressure value keep constant through the flow size that PIC control system regulates flow control valve, obtain constant voltage and constant current state in the overflow tank; Realized that overflow produces the automation control of flow, got rid of the error that artificial disturbance factor and environmental factor caused and improved product quality.
Owing on the pipeline of water inlet, be provided with water pump and flowmeter, and control water pump through PID, make hydraulic pressure constant in claimed range, flowmeter plays the synchronization monitoring effect, and the data that setting needs are controlled, and ensure product quality.
Description of drawings
Accompanying drawing is the structural representation of the utility model embodiment;
Among the figure: 1. overflow tank, 2. material inlet, 3. water inlet, 4. coarse fodder outlet, 5. finished product discharging opening, 6. overflow compensating groove, 7. pressure sensor, 8. flow control valve, 9. water pump, 10. flowmeter.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, further set forth the utility model, should be understood that these embodiment only be used to the utility model is described and be not used in the restriction the utility model scope.Should be understood that in addition those skilled in the art can do various changes or modification to the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Shown in accompanying drawing, a kind of silicon carbide micro-powder overflow size separation machine volume control device comprises overflow tank 1; The tank body of overflow tank 1 is provided with material inlet 2 and water inlet 3, and the tank base of overflow tank 1 is provided with coarse fodder outlet 4, and the tank body top of overflow tank 1 is provided with finished product material outlet 5; The inside of overflow tank 1 is provided with overflow compensating groove 6, and 6 outlets of overflow compensating groove connect finished product material outlet 5, and overflow tank 1 is provided with pressure sensor 7; The pipeline of water inlet 3 is provided with flow control valve 8; Pressure sensor 7 is connected with flow control valve 8 through electric control gear, is connected with water pump 9 on the pipeline of water inlet 3, and the pipeline of water inlet 3 is provided with flowmeter 10; Electric control gear comprises Programmable Logic Controller, and pressure sensor 7, water pump 9 and flowmeter 10 all are connected with Programmable Logic Controller.
The silicon carbide micro-powder slip gets into overflow tank 1 from the material inlet 2 of overflow tank 1; Made full use of the basic principle of overflow size separation; Because the own wt coarse fodder of particle flows out from the coarse fodder outlet 4 of overflow tank 1 bottom, qualified finished product come-up gets into overflow compensating groove 6 backs and flows out from finished product discharging opening 5; Setting pressure sensor 7 on overflow tank 1; Through PID control pump working; Make hydraulic pressure constant in claimed range, at the water inlet 3 of overflow tank 1 electronic flowmeter 10 and electric flow control valve 8 are installed, system is connected with PIC control; And touch-screen is installed at the scene, be used for setting data and control.
Owing to adopted a kind of silicon carbide micro-powder overflow size separation machine volume control device of technique scheme, can compensate and regulate pressure reduction that various factors causes automatically and change that making supplies water keeps constant voltage and constant current state, realized that overflow produces the automation control of flow.The utility model reasonable in design makes full use of the basic principle of press over system classification, adopts intelligent constant flow rate control, makes silicon carbide micro-powder constant current and constant voltage in overflow tank 1, has reduced various external interference errors, has guaranteed product quality.
More than show and described the advantage of basic principle, principal character and the utility model of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
All are from the design of the utility model, and the structure conversion of having done without creative work all drops within the utility model protection domain.
Claims (4)
1. silicon carbide micro-powder overflow size separation machine volume control device; Comprise overflow tank, the tank body of said overflow tank is provided with material inlet and water inlet, and the tank base of said overflow tank is provided with the coarse fodder outlet; The tank body top of said overflow tank is provided with the outlet of finished product material; The inside of said overflow tank is provided with the overflow compensating groove, and said overflow compensating groove outlet connects the outlet of finished product material, and it is characterized in that: said overflow tank is provided with pressure sensor; The pipeline of said water inlet is provided with flow control valve, and said pressure sensor is connected with said flow control valve through electric control gear.
2. silicon carbide micro-powder overflow size separation machine volume control device according to claim 1 is characterized in that: be connected with water pump on the pipeline of said water inlet.
3. silicon carbide micro-powder overflow size separation machine volume control device according to claim 2, it is characterized in that: the pipeline of said water inlet is provided with flowmeter.
4. silicon carbide micro-powder overflow size separation machine volume control device according to claim 3, it is characterized in that: said electric control gear comprises Programmable Logic Controller, described pressure sensor, water pump and flowmeter all are connected with described Programmable Logic Controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200931067U CN202497927U (en) | 2012-03-13 | 2012-03-13 | Flow control device for silicon carbide powder overflow classifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200931067U CN202497927U (en) | 2012-03-13 | 2012-03-13 | Flow control device for silicon carbide powder overflow classifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202497927U true CN202497927U (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200931067U Expired - Fee Related CN202497927U (en) | 2012-03-13 | 2012-03-13 | Flow control device for silicon carbide powder overflow classifier |
Country Status (1)
| Country | Link |
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| CN (1) | CN202497927U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498944A (en) * | 2015-11-27 | 2016-04-20 | 山田研磨材料有限公司 | Overflow-circulation classification method for diamond micro-powder |
| CN109675713A (en) * | 2018-12-12 | 2019-04-26 | 中国恩菲工程技术有限公司 | To the method for carbonization graded silicon |
-
2012
- 2012-03-13 CN CN2012200931067U patent/CN202497927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498944A (en) * | 2015-11-27 | 2016-04-20 | 山田研磨材料有限公司 | Overflow-circulation classification method for diamond micro-powder |
| CN109675713A (en) * | 2018-12-12 | 2019-04-26 | 中国恩菲工程技术有限公司 | To the method for carbonization graded silicon |
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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 |
Granted publication date: 20121024 Termination date: 20180313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |