CN201908817U - Hydraulic control butterfly valve control system of water circulating pump - Google Patents
Hydraulic control butterfly valve control system of water circulating pump Download PDFInfo
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- CN201908817U CN201908817U CN2010205800797U CN201020580079U CN201908817U CN 201908817 U CN201908817 U CN 201908817U CN 2010205800797 U CN2010205800797 U CN 2010205800797U CN 201020580079 U CN201020580079 U CN 201020580079U CN 201908817 U CN201908817 U CN 201908817U
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Abstract
The utility model relates to the power station technical field, in particular to a hydraulic control butterfly valve control system of a water circulating pump. The system comprises an electric control cabinet, a hydraulic pressure station and a hydraulic cylinder. The electric control cabinet is connected with the hydraulic pressure station; the hydraulic pressure station is provided with an oil pump motor which is communicated with the hydraulic cylinder; the hydraulic cylinder is connected with the hydraulic control butterfly valve; the piston rod of the hydraulic cylinder is connected with the valve plate of the hydraulic control butterfly valve through a connecting rod arm; the electric control cabinet circuit comprises an oil pump motor circuit, a power supply indicating circuit, a valve-opening circuit, a valve-closing indicating circuit, a liquid charging process indicating circuit, a valve-opening process indicating circuit, a direct-current power supply circuit and a valve-closing process circuit. The hydraulic control butterfly valve control system avoids the protection fault misoperation of the water circulating pump caused by the self-closing of the hydraulic butterfly valve due to electricity interruption of the control loop; and the control system maintains the existing function of linking and interlocking with the water circulating pump.
Description
Technical field
The utility model relates to the power station technology field, particularly relates to a kind of circulating water pump hydraulic butterfly valve control system.
Background technique
The circulating water pump in power station needs the butterfly valve of Slow Close non-return, and it has the function of keying, Slow Close non-return and the online interlocking of circulating water pump.When the burst accident power interruption, can automatic-closing valve, effectively eliminate water hammer infringement circulating water pump, reach the purpose of protection circulating water pump.
Circulating water pump hydraulic butterfly valve system comprises electric control cubicle, hydraulic station and driver three parts.Electric control cubicle control hydraulic station, hydraulic station provides pressure oil to oil hydraulic cylinder, and oil hydraulic cylinder and driver and butterfly valve connect, and stretching out and returning of hydraulic cylinder piston rod drives butterfly valve plate by link arm and does 0 ~ 90 rotation motion, the opening and closing of realization butterfly valve.
In the circulating water pump using process, power supply dead electricity or control loop dead electricity once took place caused the accident that hydraulic butterfly valve is closed automatically, cause circulating water pump to be stopped transport and cause vacuum to descend the serious accident of halt turbines.The technology that for this reason also has will be controlled power supply and change the UPS uninterruptable power supply (UPS) into, but increase investment, also increase intensity and equipment failure point that UPS patrols and examines.
The model utility content
The purpose of this utility model is to avoid hydraulic butterfly valve to close the circulating water pump protection malfunction that causes automatically because of the control loop dead electricity, keeps original and the function online interlocking of circulating water pump, and a kind of circulating water pump hydraulic butterfly valve control system is provided.
The purpose of this utility model realizes by following technical measures.
A kind of circulating water pump hydraulic butterfly valve control system, comprise electric control cubicle, hydraulic station and oil hydraulic cylinder, described electric control cubicle is connected in described hydraulic station, described hydraulic station is provided with the Oil pump electrical machinery that is communicated in described oil hydraulic cylinder, described oil hydraulic cylinder is connected with described hydraulic butterfly valve, the piston rod of described oil hydraulic cylinder is connected in the valve plate of hydraulic butterfly valve by link arm, and the circuit of described electric control cubicle comprises Oil pump electrical machinery circuit, power indicating circuit, opens the valve circuit, closes the valve indicating circuit, topping up process and indicating circuit, open valve process and indicating circuit, DC power supply circuit and pass valve process circuit; Described Oil pump electrical machinery circuit is connected in the end of the fus FU of described power indicating circuit, describedly opens the valve circuit, closes the valve indicating circuit, topping up process and indicating circuit, opens the other end that valve process and indicating circuit and DC power supply circuit all are connected in the fus FU of described power indicating circuit; Described pass valve process circuit is connected in described DC power supply circuit.
Described Oil pump electrical machinery circuit comprises with this and is connected in circuit breaker Q F, K switch and the KM of three phase mains, coil and the three phase electric machine of thermorelay FR.
Described power indicating circuit comprises fus FU and power supply indicator HL1.
Described open the valve circuit comprise relay K A1 contact, KA3 contact, KM coil, FR contact, push-button switch SB2, KA6 contact, DCS open threshold switch CO, DCS gang switch KL, remote location switch S AA, on the spot position switch SAM, drive valve and stop limit switch SQ1 and KT1 coil; Relay K A1 contact one end is connected in the end that DCS opens threshold switch CO, and the relay K A1 contact the other end is connected in the end of SAA; The other end of SAA is connected in the end of KL, the other end of KL is connected in an end of KA6 contact, the other end of KA6 contact is connected in an end of KA3 contact, the other end of KA3 contact is connected in an end of KM coil, the other end of KM coil is connected in an end of FR contact, the other end of FR contact is connected in an end of KT1 coil, and the other end of KT1 coil is connected in the end of SQ1.
Described pass valve indicating circuit comprises the KA1 contact and closes valve tutorial light KL2.
Described topping up process and indicating circuit comprise topping up tutorial light HL3, KA2 contact, KA3 contact, KA2 coil, KA2 contact, KA3 coil and pressure gauge with electric contact PYD; HL3 one end is connected in an end of KA2 coil, and the other end of HL3 is connected in an end of KA2 contact and KA3 contact, and the other end of KA3 contact is connected in the other end and the PYD of KA2 coil.
Describedly open that valve process and indicating circuit comprise that opening valve time is adjusted relay K T1 contact, KA4 coil, KA4 contact, opens valve electromagnet 1DT, opened that valve stops limit switch SQ1, KA5 coil, KA5 contact, opens valve tutorial light HL4, KA5 contact, KA4 contact, failsafe valve signal relay KT2 coil; One end of KT1 contact coil is connected in an end of KA4 coil, the other end of KT1 contact coil is connected in an end of KA4 contact, SQ1, KA5 contact, the other end of KA4 coil is connected in the end of an end, KA5 coil and the HL4 of 1DT, and the other end of KA5 contact is connected in the other end of HL4.
Described DC power supply circuit comprises fus FU5, FU6 and dc-battery PV1.
Described pass valve process circuit comprise relay K A6 contact, on the spot close valve push-button switch SB1, position switch SAM, DCS close threshold switch CC, remote location switch S AA, main circuit power K switch, close valve and stop fiber switch S Q2, KA6 coil, KA6 contact, close valve electromagnet 2DT, dc-battery PV2 on the spot; KA6 contact one end is connected in the end of 2DT, and the other end of KA6 contact is connected in the end of CC, the end of SB1; The other end of CC is connected in the end of SAA, and the other end of SAA is connected in the end of SAM, and the other end of SAM is connected in the end of K, and the other end of K is connected in an end of KA6 coil, and the other end of KA6 coil is connected in the other end of 2DT.
The utility model has avoided hydraulic butterfly valve to close the circulating water pump protection malfunction that causes automatically because of the control loop dead electricity, and has kept original and the function online interlocking of circulating water pump.
Description of drawings
Utilize accompanying drawing that the utility model is described further, but the content in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is an embodiment's of an a kind of circulating water pump hydraulic butterfly valve control system of the present utility model electric control cubicle circuit diagram.
Embodiment
The utility model is described in further detail with the following Examples.
An embodiment's of a kind of circulating water pump hydraulic butterfly valve control system of the present utility model control circuit figure as shown in Figure 1.The circulating water pump hydraulic butterfly valve control system of present embodiment, comprise electric control cubicle, hydraulic station and oil hydraulic cylinder, described electric control cubicle is connected in described hydraulic station, described hydraulic station is provided with the Oil pump electrical machinery that is communicated in described oil hydraulic cylinder, described oil hydraulic cylinder is connected with described hydraulic butterfly valve, the piston rod of described oil hydraulic cylinder is connected in the valve plate of hydraulic butterfly valve by link arm, and the circuit of described electric control cubicle comprises Oil pump electrical machinery circuit 101, power indicating circuit 102, open valve circuit 103, close valve indicating circuit 104, topping up process and indicating circuit 105, drive valve process and indicating circuit 106, DC power supply circuit 107 and pass valve process circuit 108; Described Oil pump electrical machinery circuit 101 is connected in the end of the fus FU of described power indicating circuit 102, describedly opens valve circuit 103, closes valve indicating circuit 104, topping up process and indicating circuit 105, opens the other end that valve process and indicating circuit 106 and DC power supply circuit 107 all are connected in the fus FU of described power indicating circuit 102; Described pass valve process circuit 108 is connected in described DC power supply circuit 107.
Described Oil pump electrical machinery circuit comprises with this and is connected in circuit breaker Q F, K switch and the KM of three phase mains, coil and the three phase electric machine of thermorelay FR.
Described power indicating circuit comprises fus FU and power supply indicator HL1.
Described open valve circuit 103 comprise relay K A1 contact, KA3 contact, KM coil, FR contact, push-button switch SB2, KA6 contact, DCS open threshold switch CO, DCS gang switch KL, remote location switch S AA, on the spot position switch SAM, drive valve and stop limit switch SQ1 and KT1 coil; Relay K A1 contact one end is connected in the end that DCS opens threshold switch CO, and the relay K A1 contact the other end is connected in the end of SAA; The other end of SAA is connected in the end of KL, the other end of KL is connected in an end of KA6 contact, the other end of KA6 contact is connected in an end of KA3 contact, the other end of KA3 contact is connected in an end of KM coil, the other end of KM coil is connected in an end of FR contact, the other end of FR contact is connected in an end of KT1 coil, and the other end of KT1 coil is connected in the end of SQ1.
Described pass valve indicating circuit comprises the KA1 contact and closes valve tutorial light KL2.
Described topping up process and indicating circuit 105 comprise topping up tutorial light HL3, KA2 contact, KA3 contact, KA2 coil, KA2 contact, KA3 coil and pressure gauge with electric contact PYD; HL3 one end is connected in an end of KA2 coil, and the other end of HL3 is connected in an end of KA2 contact and KA3 contact, and the other end of KA3 contact is connected in the other end and the PYD of KA2 coil.
Describedly open that valve process and indicating circuit 106 comprise that opening valve time is adjusted relay K T1 contact, KA4 coil, KA4 contact, opens valve electromagnet 1DT, opened that valve stops limit switch SQ1, KA5 coil, KA5 contact, opens valve tutorial light HL4, KA5 contact, KA4 contact, failsafe valve signal relay KT2 coil; One end of KT1 contact coil is connected in an end of KA4 coil, the other end of KT1 contact coil is connected in an end of KA4 contact, SQ1, KA5 contact, the other end of KA4 coil is connected in the end of an end, KA5 coil and the HL4 of 1DT, and the other end of KA5 contact is connected in the other end of HL4.
Described DC power supply circuit comprises fus FU5, FU6 and dc-battery PV1.
Described pass valve process circuit 108 comprise relay K A6 contact, on the spot close valve push-button switch SB1, position switch SAM, DCS close threshold switch CC, remote location switch S AA, main circuit power K switch, close valve and stop fiber switch S Q2, KA6 coil, KA6 contact, close valve electromagnet 2DT, dc-battery PV2 on the spot; KA6 contact one end is connected in the end of 2DT, and the other end of KA6 contact is connected in the end of CC, the end of SB1; The other end of CC is connected in the end of SAA, and the other end of SAA is connected in the end of SAM, and the other end of SAM is connected in the end of K, and the other end of K is connected in an end of KA6 coil, and the other end of KA6 coil is connected in the other end of 2DT.
Working principle of the present utility model is as follows.
1, in original electrical equipment, switch valve operates in the same control wiring, except interlock just is that non-opening promptly closed, is powered by alternating current 220V and drive the valve solenoid valve, closes the valve solenoid valve by direct current 24V power supply, after the control power supply dead electricity (220V dead electricity), directly causes closing valve events.
2, design is out the interlocking that valve is controlled with the normally closed point that closes valve events relay K A6, has cancelled KA1 dead electricity closure and has controlled the principle of closing valve, even control power supply dead electricity makes KA1 break contact closure like this, closes valve relay KA6 and also is failure to actuate, and butterfly valve is kept original position.Guarantee control power supply dead electricity, also can not cause the pass valve events.
3, increase the open and close control point of distant place start and stop, operation is provided convenience to DCS.
Concrete implementation step:
1, changes control wiring according to design principle figure, increase the control corresponding point;
2, in the debugging hydraulic butterfly valve, repeatedly disconnect control power supply (220V AC) valve and can not close automatically, and the test water pump startup stops interlock and drives valve to close valve also very normal;
3, normal operation input.
Should be noted that at last; above embodiment only is used to the technical solution of the utility model is described but not to the restriction of the utility model protection domain; although the utility model has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (9)
1. circulating water pump hydraulic butterfly valve control system, comprise electric control cubicle, hydraulic station and oil hydraulic cylinder, described electric control cubicle is connected in described hydraulic station, described hydraulic station is provided with the Oil pump electrical machinery that is communicated in described oil hydraulic cylinder, described oil hydraulic cylinder is connected with described hydraulic butterfly valve, the piston rod of described oil hydraulic cylinder is connected in the valve plate of hydraulic butterfly valve by link arm, and it is characterized in that: the circuit of described electric control cubicle comprises the Oil pump electrical machinery circuit, power indicating circuit, open the valve circuit, close the valve indicating circuit, topping up process and indicating circuit, drive valve process and indicating circuit, DC power supply circuit and pass valve process circuit; Described Oil pump electrical machinery circuit is connected in the end of the fus FU of described power indicating circuit, describedly opens the valve circuit, closes the valve indicating circuit, topping up process and indicating circuit, opens the other end that valve process and indicating circuit and DC power supply circuit all are connected in the fus FU of described power indicating circuit; Described pass valve process circuit is connected in described DC power supply circuit.
2. circulating water pump hydraulic butterfly valve control system according to claim 1 is characterized in that: described Oil pump electrical machinery circuit comprises with this and is connected in circuit breaker Q F, K switch and the KM of three phase mains, coil and the three phase electric machine of thermorelay FR.
3. circulating water pump hydraulic butterfly valve control system according to claim 1 is characterized in that: described power indicating circuit comprises fus FU and power supply indicator HL1.
4. circulating water pump hydraulic butterfly valve control system according to claim 1 is characterized in that: described open the valve circuit comprise relay K A1 contact, KA3 contact, KM coil, FR contact, push-button switch SB2, KA6 contact, DCS open threshold switch CO, DCS gang switch KL, remote location switch S AA, on the spot position switch SAM, drive valve and stop limit switch SQ1 and KT1 coil; Relay K A1 contact one end is connected in the end that DCS opens threshold switch CO, and the relay K A1 contact the other end is connected in the end of SAA; The other end of SAA is connected in the end of KL, the other end of KL is connected in an end of KA6 contact, the other end of KA6 contact is connected in an end of KA3 contact, the other end of KA3 contact is connected in an end of KM coil, the other end of KM coil is connected in an end of FR contact, the other end of FR contact is connected in an end of KT1 coil, and the other end of KT1 coil is connected in the end of SQ1.
5. circulating water pump hydraulic butterfly valve control system according to claim 1 is characterized in that: described pass valve indicating circuit comprises the KA1 contact and closes valve tutorial light KL2.
6. circulating water pump hydraulic butterfly valve control system according to claim 1 is characterized in that: described topping up process and indicating circuit comprise topping up tutorial light HL3, KA2 contact, KA3 contact, KA2 coil, KA2 contact, KA3 coil and pressure gauge with electric contact PYD; HL3 one end is connected in an end of KA2 coil, and the other end of HL3 is connected in an end of KA2 contact and KA3 contact, and the other end of KA3 contact is connected in the other end and the PYD of KA2 coil.
7. circulating water pump hydraulic butterfly valve control system according to claim 1 is characterized in that: describedly open that valve process and indicating circuit comprise that opening valve time is adjusted relay K T1 contact, KA4 coil, KA4 contact, opens valve electromagnet 1DT, opened that valve stops limit switch SQ1, KA5 coil, KA5 contact, opens valve tutorial light HL4, KA5 contact, KA4 contact, failsafe valve signal relay KT2 coil; One end of KT1 contact coil is connected in an end of KA4 coil, the other end of KT1 contact coil is connected in an end of KA4 contact, SQ1, KA5 contact, the other end of KA4 coil is connected in the end of an end, KA5 coil and the HL4 of 1DT, and the other end of KA5 contact is connected in the other end of HL4.
8. circulating water pump hydraulic butterfly valve control system according to claim 1 is characterized in that: described DC power supply circuit comprises fus FU5, FU6 and dc-battery PV1.
9. circulating water pump hydraulic butterfly valve control system according to claim 1 is characterized in that: described pass valve process circuit comprise relay K A6 contact, on the spot close valve push-button switch SB1, position switch SAM, DCS close threshold switch CC, remote location switch S AA, main circuit power K switch, close valve and stop fiber switch S Q2, KA6 coil, KA6 contact, close valve electromagnet 2DT, dc-battery PV2 on the spot; KA6 contact one end is connected in the end of 2DT, and the other end of KA6 contact is connected in the end of CC, the end of SB1; The other end of CC is connected in the end of SAA, and the other end of SAA is connected in the end of SAM, and the other end of SAM is connected in the end of K, and the other end of K is connected in an end of KA6 coil, and the other end of KA6 coil is connected in the other end of 2DT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205800797U CN201908817U (en) | 2010-10-28 | 2010-10-28 | Hydraulic control butterfly valve control system of water circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205800797U CN201908817U (en) | 2010-10-28 | 2010-10-28 | Hydraulic control butterfly valve control system of water circulating pump |
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| Publication Number | Publication Date |
|---|---|
| CN201908817U true CN201908817U (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205800797U Expired - Lifetime CN201908817U (en) | 2010-10-28 | 2010-10-28 | Hydraulic control butterfly valve control system of water circulating pump |
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| CN (1) | CN201908817U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829234A (en) * | 2012-04-20 | 2012-12-19 | 煤炭科学研究总院沈阳研究院 | Electro-hydraulic linkage quick stop valve of mine gas extracting pipeline |
| CN103696955A (en) * | 2013-12-23 | 2014-04-02 | 中国神华能源股份有限公司 | System and method for controlling outlet butterfly valve of circulating water pump |
| CN103967765A (en) * | 2014-04-01 | 2014-08-06 | 武汉船用机械有限责任公司 | Control device of immersed pump and immersed pump system |
| CN104279697A (en) * | 2014-09-28 | 2015-01-14 | 青岛亿联信息科技有限公司 | Refrigerant water control circuit for central air-conditioning unit |
| CN108799606A (en) * | 2018-07-31 | 2018-11-13 | 福建省水利水电勘测设计研究院 | A kind of unit water inlet weight butterfly valve promptly closes valve circuit |
| CN110984301A (en) * | 2019-12-27 | 2020-04-10 | 奇瑞汽车股份有限公司 | Solve unsmooth water treatment system of building drainage |
-
2010
- 2010-10-28 CN CN2010205800797U patent/CN201908817U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829234A (en) * | 2012-04-20 | 2012-12-19 | 煤炭科学研究总院沈阳研究院 | Electro-hydraulic linkage quick stop valve of mine gas extracting pipeline |
| CN103696955A (en) * | 2013-12-23 | 2014-04-02 | 中国神华能源股份有限公司 | System and method for controlling outlet butterfly valve of circulating water pump |
| CN103696955B (en) * | 2013-12-23 | 2016-01-13 | 中国神华能源股份有限公司 | A kind of circulating water pump exit butterfly valve control system and method |
| CN103967765A (en) * | 2014-04-01 | 2014-08-06 | 武汉船用机械有限责任公司 | Control device of immersed pump and immersed pump system |
| CN103967765B (en) * | 2014-04-01 | 2016-05-18 | 武汉船用机械有限责任公司 | A kind of control device of immersed pump and immersed pump system |
| CN104279697A (en) * | 2014-09-28 | 2015-01-14 | 青岛亿联信息科技有限公司 | Refrigerant water control circuit for central air-conditioning unit |
| CN108799606A (en) * | 2018-07-31 | 2018-11-13 | 福建省水利水电勘测设计研究院 | A kind of unit water inlet weight butterfly valve promptly closes valve circuit |
| CN108799606B (en) * | 2018-07-31 | 2023-12-19 | 福建省水利水电勘测设计研究院 | Emergency valve closing circuit of unit water inlet heavy hammer butterfly valve |
| CN110984301A (en) * | 2019-12-27 | 2020-04-10 | 奇瑞汽车股份有限公司 | Solve unsmooth water treatment system of building drainage |
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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: 20110727 |