CN2279444Y - Emulsion automatic proportioning instrument - Google Patents
Emulsion automatic proportioning instrument Download PDFInfo
- Publication number
- CN2279444Y CN2279444Y CN 96208412 CN96208412U CN2279444Y CN 2279444 Y CN2279444 Y CN 2279444Y CN 96208412 CN96208412 CN 96208412 CN 96208412 U CN96208412 U CN 96208412U CN 2279444 Y CN2279444 Y CN 2279444Y
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- CN
- China
- Prior art keywords
- emulsion
- valve
- flow
- pilot operated
- cavity
- 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 is used as a hydraulic supporting and protecting system under a mine of a coal mine and is composed of an excess flow valve, a fluid control valve, an ejector, a monitoring check valve, a quantity regulating valve on an oil tank and a check valve; emulsion with high pressure of an emulsion pump is taken as motive power by an automatic proportioning device to control the fluid control valve so as to control the opening and the closing of water; the magnitude the of the motive power of the emulsion with high pressure is controlled by the monitoring check valve according to the height of liquid level, and emulsion oil forms jet flow together with water in the ejector to be automatically injected into the ejector. The utility model has the advantages of simple structure, reliable action, convenient maintenance and safe use and plays an obvious role in reducing the failure rate of a strut on a coal face and enlarging safety factor.
Description
The utility model relates to the mining machinery technical field, specifically, is the instrument that hydraulic prop system support is used under a kind of and the coal mine.
The emulsion that coal mining work plane hydraulic prop is used, its concentration is not less than 2～3%, could effectively prevent the corrosion of hydraulic prop cylinder body, prolongs the other time limit of pillar clothes.Too high oil emulsion waste, the raising cost of ton coal of can causing again of concentration of emulsion used.In the past, the valve of water and oil emulsion is opened or closed to the preparation of emulsion according to the liquid level situation of emulsion box, by manually finishing.This compound method is inaccuracy but also very heavy not only, the normal untimely or low excessively pillar corrosion and damage that causes of concentration because of the emulsion supply, and influence is produced.
The purpose of this utility model provides a kind of instrument that can finish emulsion preparation work automatically.
The utility model is achieved in that this automatic mixing instrument is made up of following part:
A) flow-limiting valve that is communicated with emulsion pump, it is a throttle orifice with the emulsion pump place of connection, and two paths is arranged behind the throttle orifice,
B) pilot operated valve device that is communicated with flow-limiting valve, this pilot operated valve device is made up of push rod that is installed in piston, valve core, connection piston and valve core in the closed cavity and the back-connected spring of valve core, piston is positioned at the nearly flow-limiting valve end of cavity, the other end of spring is connected on the back seat of cavity, this pilot operated valve device also is provided with the water inlet corresponding with the valve core position, under the normal condition, valve core is closed water inlet
C) the monitoring one way valve that is connected and is communicated with by lever and ball float in the emulsion box with flow-limiting valve, this monitoring one way valve makes emulsion flow to emulsion box from flow-limiting valve, and the switching of its valve is subjected to the rising of ball float, reduces control,
D) injector of connection pilot operated valve device, emulsion tank and emulsion box, its cavity is built-in with the inlet channel and the water outlet that with outlet pipe be connected of a bore less than external water inlet pipe, and the port that inlet channel docks with water outlet leaves the gap,
E) be connected one way valve and director valve between emulsion tank and the injector, one way valve makes oil emulsion flow to injector from emulsion tank.
The utility model is installed in emulsion pump, emulsion tank, between the emulsion box, with the high-pressure emulsion in the emulsion pump is power, control closing of pilot operated valve device water inlet by flow-limiting valve and monitoring one way valve, the situation that certain pressure (being not less than 0.1Ma usually) arranged according to the water in the mine again, in injector, form jet by water under high pressure, make in the ejection cavity and produce atm difference with the external world, thereby open the one way valve that is connected on the emulsion tank, flow and pressure according to water are regulated director valve, can make water and oil flow into injector by a certain percentage and mix the injection emulsion box.
The utility model and emulsion pump co-ordination, when being reduced to certain position, the liquid level of emulsion injects oil emulsion and water automatically by a certain percentage, and when being elevated to certain position, liquid level quits work automatically, save the amount of labour greatly than artificial dosing in the operation, and feed flow in time, accurately, to reducing coal-face pillar crash rate, increasing safety factor has obvious positive role.That this automatic mixing instrument also has is simple in structure, worked and lean on, no electromagnetic component, characteristics such as the down-hole is safe in utilization.
Accompanying drawing is a structural representation of the present utility model.
The utility model is described in further detail below in conjunction with accompanying drawing.After emulsion pump 13 starts, when the liquid level of emulsion box 12 drops to certain position, ball float 3 drive levers 14 make monitoring one way valve 2 and close, the part high pressure liquid of emulsion pump 13 outputs all enters pilot operated valve device 15 through the throttle orifice 19 of flow-limiting valve 1, high pressure liquid overcomes the elastic force promotion piston 16 and the push rod 4 of spring 7 and opens valve core 6, the water that has certain pressure from ground enters pilot operated valve device 15 from water inlet 5, flow to injector 8, form jet by the inlet channel 17 that attenuates, and in water outlet 18, form eddy current, produce atm difference with the external world, the one way valve 10 that is connected on the emulsion tank 11 is opened, oil emulsion enters injector 8, mixes the back with water in the gap and flows into emulsion box 12.According to the pressure and the flow of water,, water and oil are mixed by predetermined ratio by the flow of director valve 9 adjusting oil emulsions.After the feed flow, when the liquid level of emulsion box 12 rises to certain position, ball float 3 drives lever 14 opens monitoring one way valve 2, the high pressure liquid that enters flow-limiting valve 1 partly flows into emulsion box 12, leads to the pressure step-down of the high pressure liquid of pilot operated valve device 15, does not overcome the elastic force of spring 7 and makes valve core 6 returns, close water inlet 5, injector 8 can't be worked because of no press water, and one way valve 10 is closed, thereby the feed flow to emulsion box 12 is stopped automatically.
Claims (1)
- The emulsion automatic mixing instrument that is used for coal-face hydraulic prop system under the coal mine is installed between emulsion pump (13), emulsion tank (11) and the emulsion box (12), it is characterized in that, this emulsion automatic mixing instrument is made up of following part:A) flow-limiting valve (1) that is communicated with emulsion pump (13), it has a throttle orifice (19) with emulsion pump (13) place of connection, and throttle orifice is connected with two paths after (19),B) pilot operated valve device (15) that is communicated with flow-limiting valve (1), this pilot operated valve device is made up of with the push rod (4) and the back-connected spring of valve core (6) (7) of valve core (6) the piston (16), valve core (6), the connection piston (16) that are installed in the closed cavity, piston (16) is positioned at nearly flow-limiting valve (1) end of cavity, the other end of spring (7) is connected on the back seat of cavity, this pilot operated valve device also is provided with the water inlet (5) corresponding with valve core (6) position, under the normal condition, valve core (6) is closed water inlet (5)C) the monitoring one way valve (2) that is connected and is communicated with by the interior ball float (3) of lever (14) and emulsion box (12) with flow-limiting valve (1), this monitoring one way valve (2) makes emulsion flow to emulsion box (12) from flow-limiting valve (1), the open and close of its valve is subjected to rising, the reduction control of ball float (3)D) injector (8) of connection pilot operated valve device (15), emulsion tank (11) and emulsion box (12), its cavity is built-in with the inlet channel (17) and the water outlet that with outlet pipe be connected (18) of a bore less than external water inlet pipe, inlet channel (17) leaves the gap with the port that water outlet (18) docksE) be connected one way valve (10) and director valve (9) between emulsion tank (11) and the injector (8), one way valve (10) makes oil emulsion flow to injector (8) from emulsion tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96208412 CN2279444Y (en) | 1996-04-01 | 1996-04-01 | Emulsion automatic proportioning instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96208412 CN2279444Y (en) | 1996-04-01 | 1996-04-01 | Emulsion automatic proportioning instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2279444Y true CN2279444Y (en) | 1998-04-22 |
Family
ID=33892423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96208412 Expired - Fee Related CN2279444Y (en) | 1996-04-01 | 1996-04-01 | Emulsion automatic proportioning instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2279444Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696298A (en) * | 2015-03-09 | 2015-06-10 | 青岛辰阳井巷设备有限公司 | Movable pump station of emulsified liquid for mine, with function of preventing water overflow |
| CN110685851A (en) * | 2019-10-21 | 2020-01-14 | 哈尔滨工程大学 | Water wheel device and ship with same |
| CN111531146A (en) * | 2020-05-14 | 2020-08-14 | 夏三头 | Aluminum alloy die-casting release agent and preparation system and method thereof |
-
1996
- 1996-04-01 CN CN 96208412 patent/CN2279444Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696298A (en) * | 2015-03-09 | 2015-06-10 | 青岛辰阳井巷设备有限公司 | Movable pump station of emulsified liquid for mine, with function of preventing water overflow |
| CN104696298B (en) * | 2015-03-09 | 2017-02-01 | 山东科技大学 | Movable pump station of emulsified liquid for mine, with function of preventing water overflow |
| CN110685851A (en) * | 2019-10-21 | 2020-01-14 | 哈尔滨工程大学 | Water wheel device and ship with same |
| CN111531146A (en) * | 2020-05-14 | 2020-08-14 | 夏三头 | Aluminum alloy die-casting release agent and preparation system and method thereof |
| CN111531146B (en) * | 2020-05-14 | 2021-06-29 | 深圳市协力达精密科技有限公司 | Aluminum alloy die-casting release agent and preparation system and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |