CN203173251U - Double control type coal yard sprinkling device - Google Patents
Double control type coal yard sprinkling device Download PDFInfo
- Publication number
- CN203173251U CN203173251U CN 201320178141 CN201320178141U CN203173251U CN 203173251 U CN203173251 U CN 203173251U CN 201320178141 CN201320178141 CN 201320178141 CN 201320178141 U CN201320178141 U CN 201320178141U CN 203173251 U CN203173251 U CN 203173251U
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- CN
- China
- Prior art keywords
- water pump
- coal yard
- spray
- control
- spray water
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- 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 - Lifetime
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Abstract
The utility model provides a double control type coal yard sprinkling device, which comprises a motor and a sprinkling water pump which are connected by utilizing a main circuit, wherein the sprinkling water pump is mounted in a water storage pool; the main circuit is provided with a control circuit; the control circuit comprises a manual controller, an automatic controller which is connected in parallel with the manual controller, and a diverter switch which is used for diverting the control circuit to the manual controller or the automatic controller; and the automatic controller comprises a timing switch and a liquid level relay which are connected in series. The double control type coal yard sprinkling device has two control modes, so that the burnout phenomenon of a sprinkling water pump is effectively prevented from occurring, and the sprinkling water pump is enabled to be throughout in a controllable state.
Description
Technical field
The utility model relates to spray equipment, is specifically related to a kind of spray equipment coal yard, that have automatic and manual two kinds of modes that is applicable to.
Background technology
China is a big coal country, the enterprise that a large amount of coals of numerous consumption are also arranged, near the underground coal mineral reserve that do not have of most of enterprises, all be from producing coal be transported to oneself coal yard, carry out the conversion of coal again, after coal places open-air coal yard drying, coal dust is suspended in the healthy of serious harm people in the air, coal drying is met strong wind weather again, the parts of fine coal dust is blown off by strong wind and causes Coal Loss, even causing near the pollution of the inhabitation personnel environment enterprise, national environmental protection department also recognizes this point, forces coal to use the coal yard of enterprise to administer.Present stage sprays humidification to the coal yard top layer and reduces the pollution that coal dust floats in the air air and become main means except coal yard installs grille guard additional.
At present, the most manual control that adopt of coal yard spray water system, the start-stop of equipment has the special messenger to be responsible for start and stop, but because the operator monitors that the phenomenon that causes the equipment lack of water to burn out not in place happens occasionally, and causes the increase of enterprise's productive costs.
The utility model content
Technical problem to be solved in the utility model provides a kind of double control-type coal yard spray equipment, and it not only can realize manual control, also can realize automatic control, thereby eliminates defective in the above-mentioned background technology.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of double control-type coal yard spray equipment comprises the motor and the spray water pump that utilize power circuit to connect, and described spray water pump is installed in the hydraulic accumulator, it is characterized in that, described power circuit is provided with control circuit, and described control circuit comprises
Manual mode controller, described manual mode controller be in order to realize the manual control to spray equipment, and namely traditional manual control is not subjected to the constraint of control automatically;
The auto mat in parallel with described manual mode controller, described auto mat comprises clock relay and the liquid level relay of series connection, wherein, clock relay is used for setting startup, standing time according to the coal yard situation, and according to the time start and stop spray water pump of setting, and liquid level relay measurement contact causes hydraulic accumulator by cable, adjust mutually with water level according to the degree of depth that places pond spray water pump, be used for measuring the water level in water pool height, control liquid level relay control contact, the operation of controlling the spray water pump according to the degree of depth of pond liquid level stops;
And in order to circuit is switched to the change-over switch of manual mode controller or auto mat.
As a kind of improvement, the measurement contact of described liquid level relay causes the 10cm place, spray water pump top of described hydraulic accumulator by cable.The contriver finds in long-term practice, and the measurement contact of liquid level relay is caused the 10cm place, spray water pump top of described hydraulic accumulator by cable, can more in time carry out the switch adjustment to spraying water pump.If greater than 10cm, the situation that the spray water pump shuts down too early then appears easily, influence the carrying out of normal spray work, if less than 10cm, then occur the situation that intermittent idle running appears in the shower water pump easily, damage the spray water pump, have substantive distinguishing features and progress.
In addition, in the utility model, be provided with thermal relay, contactless switch and low-voltage circuit breaker etc. in power circuit and the control circuit.
The utility model utilizes change-over switch can realize the switching of two kinds of master modes in use, when cutting to manual mode of operation, utilizes directly starter motor of manual mode controller, and the shower water pump work is not subjected to the restriction of timing automatic spray; When cutting to timing automatic spray operational mode, auto mat work, when having only the satisfied spray time of setting and water level to require, the spray water pump could start.
Owing to adopted technique scheme, the beneficial effects of the utility model are:
The coal yard spray equipment that the utility model provides has manually and automatic two kinds of modes, and under the normal circumstances, change-over switch is cut to auto mat, is started automatically, is stopped coal yard being sprayed by clock relay fixed-time control spray water pump; Anhydrous or water level is low in the pond, liquid level relay records water level can not satisfy condition of service, can not move in the time that clock relay is set, and has only water level in water pool to satisfy condition of service, clock relay also operation during the period spray water pump could move; Normally move when spraying water pump, when water level in water pool dropped to 10cm place, spray water pump top, liquid level relay control spray water pump quit work; Water pump is anhydrous can not work for spray, quits work during lack of water, has avoided the spray water pump to burn out situation and has taken place.Deal with an urgent situation and when overhauling, change-over switch is cut to manual mode controller, be not subjected to the restriction of timing automatic spray can directly start the spray water pump, guaranteed that the spray water pump is in controllable state all the time.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model electrical schematic diagram;
Among the figure: 1. motor, 2. spray water pump, 3. hydraulic accumulator, 4. manual mode controller, 5. auto mat, 6. change-over switch, 7. clock relay, 8. liquid level relay.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, a kind of double control-type coal yard spray equipment, comprise the motor 1 and the spray water pump 2 that utilize power circuit to connect, described spray water pump 2 is installed in the hydraulic accumulator 3, it is characterized in that, described power circuit is provided with control circuit, described control circuit comprises manual mode controller 4, auto mat 5 and change-over switch 6, described manual mode controller 4 is in order to realize the manual control to spray equipment, and namely traditional manual control is not subjected to the constraint of control automatically; Described auto mat 5 is in parallel with described manual mode controller 4, it comprises clock relay 7 and the liquid level relay 8 of series connection, wherein, clock relay 7 is used for setting startup, standing time according to the coal yard situation, and according to the time start and stop spray water pump of setting 2, and liquid level relay 8 measurement contacts cause hydraulic accumulator 3 by cable, adjust mutually with water level according to the degree of depth that places hydraulic accumulator 3 spray water pumps 2, be used for measuring the water level in water pool height, control liquid level relay 8 measurement contacts stop according to the operation of the degree of depth control spray water pump 2 of hydraulic accumulator 3 liquid levels; Change-over switch 6 is used for realizing the switching of circuit between manual mode controller 4 or auto mat 5.
In the present embodiment, the measurement contact of described liquid level relay 8 causes the 10cm place, spray water pump 2 top of described hydraulic accumulator 3 by cable; In addition, be provided with thermal relay FR, contactless switch KM and low-voltage circuit breaker QF etc. in power circuit and the control circuit.
The utility model utilizes change-over switch can realize the switching of two kinds of master modes in use, when cutting to manual mode of operation, utilizes directly starter motor 1 of manual mode controller 4, and 2 work of spray water pump are not subjected to the restriction of timing automatic spray; When cutting to timing automatic spray operational mode, auto mat 5 work, when having only the satisfied spray time of setting and water level to require, spray water pump 2 could start.
The utility model principle of work as shown in Figure 2.
1, the control source switch QF that closes, the control source switch QM that closes switches to manual mode controller with change-over switch, the sucking coil energising of contactless switch KM, three couple of tentaculum KM often leaves the main contact adhesive, and the motor that is used for driving the spray water pump is switched on power supply, directly startup; Simultaneously, the auxiliary open contact KM1 of contactless switch disconnects in control circuit, stops indicator lamp and goes out, and contactless switch is assisted open contact KM2 closure, and run indicator is bright, and indication spray water pump is by stopping to change over to running state; Change-over switch is switched to stop position, the sucking coil dead electricity of contactless switch KM, three couple of tentaculum KM often leaves main contact and disconnects, and is used for driving the motor that sprays water pump and is disconnected power supply, and is out of service; Simultaneously, the auxiliary open contact KM1 closure of contactless switch in control circuit, it is bright to stop indicator lamp, and the auxiliary open contact KM2 of contactless switch disconnects, and run indicator is gone out, and indication spray water pump changes halted state over to by operation.
2, the control source switch QF that closes, control source switch QM closes, change-over switch is switched to auto mat, when pond liquid level satisfies the operation needs, liquid level relay contact YWJ1 closure, when clock relay runs to the work-hours of setting, clock relay contact DSZ1 closure, the sucking coil energising of contactless switch KM, three couple of tentaculum KM often leaves the main contact adhesive, be used for driving the motor that sprays water pump and be switched on power supply, directly start; Simultaneously, the auxiliary open contact KM1 of contactless switch disconnects in control circuit, stops indicator lamp and goes out, and contactless switch is assisted open contact KM2 closure, and run indicator is bright, and indication spray water pump is by stopping to change over to running state; Run to the work-hours of setting when clock relay, when the hydraulic accumulator liquid level does not satisfy the operation needs because of lack of water, liquid level relay contact YWJ1 is in off-state, and the motor of spray water pump can not be connected the power supply operation, prevents from damaging because lack of water causes the motor of spray water pump.
3, when the water pump automatic control mode, in the shower water pump operation process, when the residing water level in water pool of spray water pump is low, liquid level relay contact YWJ1 disconnects, the sucking coil dead electricity of contactless switch KM, three couple of tentaculum KM often leaves main contact and disconnects, and is used for driving the motor that sprays water pump and is disconnected power supply, out of service, thus prevent from causing the accident that water pump burns out that sprays because of lack of water in service.
The utility model is not limited to the above-mentioned specific embodiment, and all are based on technical conceive of the present utility model, and the structural improvement of having done all falls among the protection domain of the present utility model.
Claims (2)
1. a double control-type coal yard spray equipment comprises the motor and the spray water pump that utilize power circuit to connect, and described spray water pump is installed in the hydraulic accumulator, it is characterized in that: described power circuit is provided with control circuit, and described control circuit comprises
Manual mode controller;
The auto mat in parallel with described manual mode controller, described auto mat comprise clock relay and the liquid level relay of series connection;
And in order to circuit is switched to the change-over switch of manual mode controller or auto mat.
2. a kind of double control-type coal yard spray equipment as claimed in claim 1 is characterized in that: the measurement contact of described liquid level relay causes the 10cm place, spray water pump top of described hydraulic accumulator by cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320178141 CN203173251U (en) | 2013-04-10 | 2013-04-10 | Double control type coal yard sprinkling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320178141 CN203173251U (en) | 2013-04-10 | 2013-04-10 | Double control type coal yard sprinkling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203173251U true CN203173251U (en) | 2013-09-04 |
Family
ID=49069988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320178141 Expired - Lifetime CN203173251U (en) | 2013-04-10 | 2013-04-10 | Double control type coal yard sprinkling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203173251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444236A (en) * | 2014-09-28 | 2015-03-25 | 广东电网有限责任公司电力科学研究院 | Device and method for inhibiting dust raising and low-temperature oxidizing in coal field |
-
2013
- 2013-04-10 CN CN 201320178141 patent/CN203173251U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444236A (en) * | 2014-09-28 | 2015-03-25 | 广东电网有限责任公司电力科学研究院 | Device and method for inhibiting dust raising and low-temperature oxidizing in coal field |
| CN104444236B (en) * | 2014-09-28 | 2016-06-08 | 广东电网有限责任公司电力科学研究院 | Coal yard suppresses the apparatus and method of airborne dust and low-temperature oxidation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |