CN202152279U - Alkaline washing device for silicon carbide micro powder - Google Patents
Alkaline washing device for silicon carbide micro powder Download PDFInfo
- Publication number
- CN202152279U CN202152279U CN2011201928211U CN201120192821U CN202152279U CN 202152279 U CN202152279 U CN 202152279U CN 2011201928211 U CN2011201928211 U CN 2011201928211U CN 201120192821 U CN201120192821 U CN 201120192821U CN 202152279 U CN202152279 U CN 202152279U
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- CN
- China
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- silicon carbide
- alkaline washing
- carbide micro
- control valve
- powder
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Abstract
The utility model discloses an alkaline washing device for silicon carbide micro powder, which comprises an alkaline washing container and a heater. A programmable logical controller (PLC) for controlling alkaline washing process is arranged in the alkaline washing device, a PLC signal input end is respectively connected with a temperature sensor and a liquid level sensor, and a PLC signal output end is respectively connected with a feeding control valve, a discharging control valve, a temperature control device and a stirrer. The feeding control valve and the discharging control valve are respectively arranged on a feeding pipeline and a discharging pipeline of the alkaline washing container, the temperature control device is connected with the heater, and the heater is located at the bottom and/or on the lateral wall of the alkaline washing container. Stirring fan blades of the stirrer are arranged in the alkaline washing container, and a driving mechanism of the stirrer is located at the upper end of the alkaline washing container. The temperature sensor and the liquid level sensor are located at the arranging positions inside the alkaline washing device. The alkaline washing device can guarantee even heating, complete reaction and high automation degree in the alkaline washing process, is capable of removing free silicon and silicon dioxide in the silicon carbide micro powder to the most extend, and plays an important role on improvement of product quality.
Description
Technical field
The utility model relates to a kind of treatment facility of silicon carbide micro-powder, is specifically related to a kind of alkaline cleaner of silicon carbide micro-powder.
Background technology
Alkali cleaning is to be used for the silicon carbide micro-powder production process to substitute traditional pickling, removes the important step of free silica and silicon-dioxide.And in the alkali cleaning reaction, the thorough mixing of temperature of reaction, reaction times and reaction paste is the key of abundant reaction.Existing alkaline cleaner is monitoring temperature in real time, can not regularly stir fully reaction paste, therefore can influence the effect of alkali cleaning, and it is insufficient to have caused free silica and silicon-dioxide to remove, and the total body burden of silit reduces, and quality descends.
The utility model content
The purpose of the utility model is to overcome the defective that exists in the prior art, and a kind of novel alkaline cleaner is provided, and stirs to reach timing automatic, in real time control reaction temperature.
For realizing above-mentioned purpose; The technical scheme of the utility model has provided a kind of alkaline cleaner of silicon carbide micro-powder; Comprise alkali cleaning container and well heater, it is characterized in that described alkaline cleaner is provided with the programmable logic controller PLC that is used to control alkaline cleaning procedure; The wave input terminus of said PLC is connected with TP, liquid level sensor respectively; The wave output terminal of said PLC respectively with the feed control valve, discharge valve, temperature control device and whisking appliance are connected, said feed control valve and discharge valve are separately positioned on the feeding pipe and marker pipe of alkali cleaning container; Said temperature control device is connected with well heater, and said well heater is arranged on the bottom and/or sidewall of alkali cleaning container; The stirring flabellum of said whisking appliance places in the alkali cleaning container, and the driving mechanism of whisking appliance is positioned at the upper end of alkali cleaning container; Said TP and liquid level sensor are positioned at the position that is provided with of alkali cleaning container.
Wherein, described feed control valve and discharge valve are respectively alkali lye feed control valve and alkali lye discharge valve, and described valve is a SV, or is motor-operated control valve.
Described TP has several, is separately positioned on different sites in the alkali cleaning container.
Described TP is a resistance temperature detector.
Said liquid level sensor is a travel switch, and said travel switch is stirred or responded to by being arranged on float and connecting rod in the alkali cleaning container.
Described well heater is the steam-type well heater, and said steam-type well heater is connected with the hot steam source with valve through pipeline.
Said temperature control device is the SV that is connected between well heater and the vapour source, or motor-operated control valve.
Described driving mechanism comprises drive-motor and speed reduction unit, or is stepper-motor.
The advantage and the beneficial effect of the utility model are: this alkaline cleaner can be monitored the temperature variations in the alkali cleaning container constantly; And can be according to the detection signal of TP; Through programmable logic controller PLC and well heater, by-pass valve control etc.; Temperature in the alkali cleaning container is regulated and control in good time, and the control whisking appliance stirs according to heating state.Thereby can guarantee homogeneous heating in the alkaline cleaning procedure, sufficient reacting, level of automation is high, can remove free silica and silicon-dioxide in the silicon carbide micro-powder to greatest extent, has played crucial effects to improving the quality of products.
Description of drawings
Fig. 1 is the structural representation of the alkaline cleaner of the utility model silicon carbide micro-powder.
Among the figure: 1, alkali cleaning container; 2, well heater; 3, programmable logic controller PLC; 4, TP; 5, liquid level sensor; 6, feed control valve; 7, discharge valve; 8, temperature control device; 9, whisking appliance; 10, feeding pipe; 11, marker pipe; 12, stir flabellum; 13, pipeline.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is further described.Following examples only are used for more clearly explaining the technical scheme of the utility model, and can not limit the protection domain of the utility model with this.
As shown in Figure 1; The utility model is a kind of alkaline cleaner of silicon carbide micro-powder; Comprise alkali cleaning container 1 and well heater 2; Described alkaline cleaner is provided with the programmable logic controller 3 (PLC) that is used to control alkaline cleaning procedure, and the wave input terminus of said PLC is connected with TP 4, liquid level sensor 5 respectively, the wave output terminal of said PLC respectively with feed control valve 6; Discharge valve 7, temperature control device 8 and whisking appliance 9 are connected; Said feed control valve 6 is separately positioned on the feeding pipe 10 and marker pipe 11 of alkali cleaning container 1 with discharge valve 7, and said temperature control device 8 is connected with well heater 2, and said well heater 2 is arranged on the bottom and/or sidewall of alkali cleaning container 1; The stirring flabellum 12 of said whisking appliance 9 places in the alkali cleaning container 1, and the driving mechanism of whisking appliance 9 is positioned at the upper end of alkali cleaning container 1; Said TP 4 and liquid level sensor 5 are positioned at the position that is provided with of alkali cleaning container 1.
In the utility model, described feed control valve 6 is respectively alkali lye feed control valve and alkali lye discharge valve with discharge valve 7, and described valve is a SV, also can be motor-operated control valve.And described TP 4 has several, can be separately positioned on different sites in the alkali cleaning container 1.Described TP 4 can be a resistance temperature detector.
In the utility model, said liquid level sensor 5 can adopt the form of travel switch, and said travel switch can be stirred or responds to by being arranged on float and connecting rod in the alkali cleaning container.
In the utility model, described well heater 2 can be the steam-type well heater, and said steam-type well heater is connected with the hot steam source with valve through pipeline 13.
In the utility model, said temperature control device 8 is for being connected SV between well heater 2 and the vapour source or motor-operated control valve.
In the utility model, described driving mechanism comprises drive-motor and speed reduction unit, or is stepper-motor.
The operating process of the concrete alkali cleaning silicon carbide micro-powder of the utility model is following:
Silicon carbide micro-powder slurry and the NaOH that treats alkali cleaning according to 5: 1 proportioning through feeding pipe 10; Get in the alkali cleaning container; When liquid level sensor 5 detects liquid level arrival set(ting)value; Feed back signal to programmable logic controller 3 (PLC), the PLC unit cuts out feeding pipe 10 through control feed control valve 6 then; In the reaction process; The whisking appliance 9 that programmable logic controller PLC regularly drives through variable-frequency motor according to program setting; 12 pairs of slurries of stirring flabellum are stirred, and to reach the purpose of abundant reaction, notice TP 4 feedback response slurry temperature is in real time given programmable logic controller 3 (PLC); Programmable logic controller 3 (PLC) is controlled the SV on hot steam formula well heaters 2 inlet mouths according to design temperature control through temperature control device 8 then; Or motor-operated control valve opens or closes, or the demodulator aperture injects warm airs to well heater 2, to reach the purpose of control reaction temperature; After the reaction times end reaction according to programmable logic controller PLC setting, programmable logic controller PLC emitted reacted slurry through discharge valve 7 according to the program setting time from marker pipe 11.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (8)
1. the alkaline cleaner of a silicon carbide micro-powder; Comprise alkali cleaning container and well heater, it is characterized in that described alkaline cleaner is provided with the programmable logic controller PLC that is used to control alkaline cleaning procedure; The wave input terminus of said PLC is connected with TP, liquid level sensor respectively; The wave output terminal of said PLC respectively with the feed control valve, discharge valve, temperature control device and whisking appliance are connected, said feed control valve and discharge valve are separately positioned on the feeding pipe and marker pipe of alkali cleaning container; Said temperature control device is connected with well heater, and said well heater is arranged on the bottom and/or sidewall of alkali cleaning container; The stirring flabellum of said whisking appliance places in the alkali cleaning container, and the driving mechanism of whisking appliance is positioned at the upper end of alkali cleaning container; Said TP and liquid level sensor are positioned at the position that is provided with of alkali cleaning container.
2. the alkaline cleaner of silicon carbide micro-powder as claimed in claim 1 is characterized in that, described feed control valve and discharge valve are respectively alkali lye feed control valve and alkali lye discharge valve, and described valve is a SV, or is motor-operated control valve.
3. the alkaline cleaner of silicon carbide micro-powder as claimed in claim 2 is characterized in that, described TP has several, is separately positioned on the different sites in the alkali cleaning container.
4. the alkaline cleaner of silicon carbide micro-powder as claimed in claim 3 is characterized in that, described TP is a resistance temperature detector.
5. the alkaline cleaner of silicon carbide micro-powder as claimed in claim 4 is characterized in that, said liquid level sensor is a travel switch, and said travel switch is stirred or responded to by being arranged on float and connecting rod in the alkali cleaning container.
6. the alkaline cleaner of silicon carbide micro-powder as claimed in claim 5 is characterized in that, described well heater is the steam-type well heater, and said steam-type well heater is connected with the hot steam source with valve through pipeline.
7. the alkaline cleaner of silicon carbide micro-powder as claimed in claim 6 is characterized in that, said temperature control device is the SV that is connected between well heater and the vapour source, or motor-operated control valve.
8. the alkaline cleaner of silicon carbide micro-powder as claimed in claim 7 is characterized in that, described driving mechanism comprises drive-motor and speed reduction unit, or is stepper-motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201928211U CN202152279U (en) | 2011-06-10 | 2011-06-10 | Alkaline washing device for silicon carbide micro powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201928211U CN202152279U (en) | 2011-06-10 | 2011-06-10 | Alkaline washing device for silicon carbide micro powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202152279U true CN202152279U (en) | 2012-02-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201928211U Expired - Fee Related CN202152279U (en) | 2011-06-10 | 2011-06-10 | Alkaline washing device for silicon carbide micro powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202152279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098322A (en) * | 2017-06-16 | 2017-08-29 | 新郑市新材料专业孵化器服务中心 | A kind of cubic boron nitride powder purifying processing device |
-
2011
- 2011-06-10 CN CN2011201928211U patent/CN202152279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098322A (en) * | 2017-06-16 | 2017-08-29 | 新郑市新材料专业孵化器服务中心 | A kind of cubic boron nitride powder purifying processing device |
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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: 20120229 Termination date: 20150610 |
|
| EXPY | Termination of patent right or utility model |