CN103092223A - Water power balancing debugging method of pipeline system - Google Patents
Water power balancing debugging method of pipeline system Download PDFInfo
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- CN103092223A CN103092223A CN2013100085128A CN201310008512A CN103092223A CN 103092223 A CN103092223 A CN 103092223A CN 2013100085128 A CN2013100085128 A CN 2013100085128A CN 201310008512 A CN201310008512 A CN 201310008512A CN 103092223 A CN103092223 A CN 103092223A
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Abstract
The invention provides a water power balancing debugging method of a pipeline system and belongs to the water power system technical field. The water power balancing debugging method of the pipeline system resolves the problem that an existing debugging method of pressure drop is complicated. In the debugging method, a plurality of user ends are parallelly connected between a water inlet pipe and a water outlet pipe, a balancing valve at the position of a tail end user end is selected as a referring valve as debugging, and a tester is utilized to get the pressure drop at the position of the referring valve as a referring valve. The balancing valve at the position of a user end which is adjacent to the tail end user end is opened, the referring valve is further measured by the tester, and the pressure drop at the position of the referring valve is acquired. If a measured differential pressure is different from the referring valve, then an cooperation valve is opened and the differential pressure at the position of the referring valve is changed, so that the differential pressure is matched with the range of the referring valve, and a balancing valve at the position of a reciprocal third user end is opened, and the rest can be done in the same manner. Eventually, the differential pressures of the balancing valves of all user ends in the whole system are basically the same. The debugging method has the advantages of being fast and convenient to debug, low in systematic cost and high in utility value.
Description
Technical field
The invention belongs to the Hydraulic Power System technical field, relate to a kind of hydraulic equilibrium adjustment method of pipe system.
Background technology
Pressure Drop refers to two poor with the force value of pressure face, has reflected the situation of change of pressure at one section pipeline.That is to say, Pressure Drop refers to pressure reduction, refers generally to the pressure that fluid loses through certain container or equipment etc.For example, equal upstream pressure through the Pressure Drop of an equalizing valve and deduct downstream pressure.
During with the equalizing valve adjust flux, produce variation at valve and ducted Pressure Drop, changed the Pressure Drop at other equalizing valves two ends, so the flow regulation of an equalizing valve can change the flow in modulated valve.Existing way is that equalizing valve is repeatedly regulated.
its publication number of Chinese patent CN100363169C provides a kind of " being used for regulating the flow of fluid and/or the device of pressure ", its first valve is furnished with the control device that is arranged on the pipeline that connects two reservoirs, a Laval nozzle that is arranged on the downstream of described the first valve is furnished with the Pressure Drop sensor of an electricity, second valve being furnished with a control device is connected between the downstream part and vent orifice element of described Laval nozzle, microprogram Control System Design becomes can receive the numerical value that the Pressure Drop sensor reads and two control device that can drive two valves, this just makes it possible to regulate flow and/or the pressure of the fluid of carrying from the first reservoir to the second reservoir.
Although above-mentioned documents is regulated flow and pressure,, it is just regulated for an independent valve.Need to test one by one adjusting for a plurality of valves in parallel in system, exist equally the loaded down with trivial details problem of regulating.
Summary of the invention
The objective of the invention is the problems referred to above for the prior art existence, a kind of hydraulic equilibrium adjustment method quick and pipe system that applicability is high of debugging is provided.
Purpose of the present invention can realize by following technical proposal: a kind of hydraulic equilibrium adjustment method of pipe system, described pipe system comprises water inlet pipe and return pipe, be parallel with some user sides between described water inlet pipe and return pipe, described each user side place all has the equalizing valve that can regulate its branch road flow, described water inlet pipe place also has the cooperation valve that can regulate whole water inlet pipe flow, it is characterized in that, this adjustment method comprises the following steps:
A, debugging are prepared: choose the equalizing valve at least significant end user side in pipe system place as the reference valve, simultaneously common pressure reduction tester is connected to reference to the valve place;
B, measure with reference to valve pressure reduction: with reference to the flow regulation of the valve place terminal temperature difference end design load to it, by common tester, the reference valve is measured, this result has provided the pressure reduction △ pR of METHOD FOR CONTINUOUS DETERMINATION, then fixes on this position with reference to the block of valve;
C, compensating differential pressure: open the equalizing valve with terminal temperature difference neighboring user end place, by common tester, the reference valve is measured, when the flow regulated with terminal temperature difference end neighboring user end, if variant with reference to valve place's pressure reduction and △ pR, open the cooperation valve until remain on △ pR with reference to the pressure reduction at valve place, then open the equalizing valve at adjacent with terminal temperature difference third party end place, by that analogy.
Choose the equalizing valve at terminal temperature difference end place as the reference valve, utilize common tester to adopt common method of testing to obtain Pressure Drop △ pR with reference to the valve place, then the aperture with reference to valve keeps locking.Open the penultimate user side place equalizing valve that is close to the terminal temperature difference end in pipe system, again the reference valve is measured by above-mentioned tester, obtain the pressure reduction with reference to the valve place.If the pressure reduction and the △ pR that measure are variant, thereby open the change of cooperation valve with reference to the pressure reduction at valve place, make its pressure reduction remain on △ pR.
Then open the equalizing valve at third from the bottom user side place, again the reference valve is measured by above-mentioned tester, obtain the pressure reduction with reference to the valve place.If the pressure reduction and the △ pR that measure are variant, thereby open the change of cooperation valve with reference to the pressure reduction at valve place, make its pressure reduction meet the reference point scope.Then open the equalizing valve at fourth from the last user side place, value to all equalizing valves are all regulated complete.In last whole system, the equalizing valve pressure reduction at all user sides places is basic identical.
In the hydraulic equilibrium adjustment method of above-mentioned pipe system, described pressure reduction with reference to valve is 3KPA.
In the hydraulic equilibrium adjustment method of above-mentioned pipe system, if in described step B during with reference to the valve standard-sized sheet and pressure reduction greater than 3KPA, the pressure reduction during with reference valve standard-sized sheet is as reference point.
In the hydraulic equilibrium adjustment method of above-mentioned pipe system, the equalizing valve of having debugged in described step C is held open state.Equalizing valve its pressure reduction after debugging that can guarantee like this each user side place is consistent substantially.
In the hydraulic equilibrium adjustment method of above-mentioned pipe system, in described step C, commissioning staff A regulates to make with reference to pressure reduction before and after valve to the cooperation valve and remains on △ pR, commissioning staff B informs commissioning staff A with intercom with reference to the numerical information of valve place current differential pressure, and commissioning staff C opens each user side place's equalizing valve and makes the flow of each user side reach its design load.Because each user side in pipe system is distant, can easily inform that by intercom other commissioning staff is with reference to the pressure reduction at valve place.
Compared with prior art, the hydraulic equilibrium adjustment method of this pipe system does not need one by one all equalizing valves in the mensuration system, avoids carrying out for a long time preliminary " scanning ", and only need the regulating once of each equalizing valve, it has reduced the required time of system balancing pressure reduction, debugs fast and convenient.
Simultaneously, it can reduce by the Pressure Drop that reduces equalizing valve the energy consumption of water pump, and Ordination of pump is excessive can be compensated on main equalizing valve, so can replace with less water pump, reduces the pipe system cost.
In addition, balance pressure reduction can carry out stage by stage along with erection schedule, need not that the system to whole building readjusts after completion of works, has higher practical value.
Description of drawings
Fig. 1 is the schematic diagram in pipe system.
Fig. 2 is the schematic diagram of pipe system the second situation.
Fig. 3 is the schematic diagram of the third situation of pipe system.
In figure, 1, the cooperation valve; 2, user side; 3, equalizing valve; 4, tester; 5, with reference to valve.
Embodiment
Embodiment one
As shown in Figure 1, pipe system comprises water inlet pipe and return pipe, be parallel with five user sides 2 between water inlet pipe and return pipe, each user side 2 places all have the equalizing valve 3 that can regulate its branch road flow, and the water inlet pipe place also has the cooperation valve 1 that can regulate whole water inlet pipe flow.
This adjustment method comprises the following steps:
A, debugging are prepared: choose the equalizing valve at least significant end user side in pipe system place as the reference valve, simultaneously common pressure reduction tester is connected to reference to the valve place.
B, measure with reference to valve pressure reduction: measure with reference to valve 5 by 4 pairs of common testers, obtain the pressure reduction △ pR with reference to valve 5 place's METHOD FOR CONTINUOUS DETERMINATION, this pressure reduction is as reference point.The aperture that changes with reference to valve 5 in the present embodiment makes the pressure reduction with reference to valve 5 remain on the 3KPA place, obtains locking with reference to the aperture with reference to valve 5 after the pressure reduction reference point of valve 5.
C, compensating differential pressure: open the equalizing valve 3 with terminal temperature difference neighboring user end 2 places, measure with reference to valve 5 by 4 pairs of common testers, obtain the pressure reduction with reference to valve 5 places, if variant with reference to valve 5 place's pressure reduction and reference point, open cooperation valve 1 until equate with reference point with reference to the pressure reduction at valve 5 places.Then, open the equalizing valve 3 at adjacent with terminal temperature difference third party end 2 places, if variant with reference to valve 5 place's pressure reduction and reference point, open cooperation valve 1 until equate with reference point with reference to the pressure reduction at valve 5 places.Open the equalizing valve 3 at adjacent with terminal temperature difference the 4th user side 2 places, if variant with reference to valve 5 place's pressure reduction and reference point, open cooperation valve 1 until equate with reference point with reference to the pressure reduction at valve 5 places.Open the equalizing valve 3 at adjacent with terminal temperature difference the 5th user side 2 places, if variant with reference to valve 5 place's pressure reduction and reference point, open cooperation valve 1 until equate with reference point with reference to the pressure reduction at valve place.
In the present embodiment, have three commissioning staffs: commissioning staff A, commissioning staff B, commissioning staff C, wherein commissioning staff A is positioned at cooperation valve place, and commissioning staff B is positioned at reference to valve 5 places, and in debug process, commissioning staff C is positioned at equalizing valve 3 places of each user side 2.In debug process by intercom make between three commissioning staffs exchange and feedback with reference to the differential pressure information at valve place.Particularly, commissioning staff A regulates to make with reference to valve 5 front and back pressure reduction to cooperation valve 1 and remains on reference point, commissioning staff B informs commissioning staff A with intercom with reference to the numerical information of valve 5 place's current differential pressure, commissioning staff C regulates each user side place equalizing valve 2 flows, makes each user side be adjusted to design discharge.
In addition, above-mentioned five user sides 2 and equalizing valve form the mini system of a unit, several mini systems are connected in parallel on main water inlet tube and main water return tube, and has the main cooperation valve that to regulate whole flow on main water inlet tube, its debugging principle is identical, after having debugged, debugs for its adjacent mini system second from the bottom again the mini system of least significant end, by that analogy, and as shown in Figure 2.
Fig. 2 is the middle system that some mini systems form, in several, system is connected in parallel on trunk water inlet pipe and trunk return pipe, and has the trunk cooperation valve that to regulate whole flow on the trunk water inlet pipe, its debugging principle is identical, after having got well, the middle system debug of least significant end debugs for its adjacent second from the bottom middle system again, by that analogy, as shown in Figure 3.
Embodiment two
The present embodiment is basic identical with embodiment one, and different place is to be parallel with between water inlet pipe and rising pipe six user sides 2, and simultaneously, the pressure reduction in step B during with reference to valve 5 standard-sized sheet is greater than 3KPA.Pressure reduction during at this moment, with reference valve 5 standard-sized sheet is as reference point.
Claims (5)
1. the hydraulic equilibrium adjustment method of a pipe system, described pipe system comprises water inlet pipe and return pipe, be parallel with some user sides (2) between described water inlet pipe and return pipe, described each user side (2) locates all to have the equalizing valve (3) that can regulate its branch road flow, described water inlet pipe place also has the cooperation valve (1) that can regulate whole water inlet pipe flow, it is characterized in that, this adjustment method comprises the following steps:
A, debugging are prepared: choose equalizing valve (3) that in pipe system, least significant end user side (2) is located as with reference to valve (5), common pressure reduction tester (4) is connected to reference to valve (5) locates simultaneously;
B, measure with reference to valve (5) pressure reduction: locate the flow regulation of terminal temperature difference end (2) to its design load with reference to valve (5), by common tester (4), reference valve (5) is measured, this result has provided the pressure reduction △ pR of METHOD FOR CONTINUOUS DETERMINATION, then is locked in this position with reference to valve (5);
C, compensating differential pressure: open the equalizing valve (3) of locating with terminal temperature difference neighboring user end (2), by common tester (4), reference valve (5) is measured, when the flow regulated with terminal temperature difference end (2) neighboring user end (2), if locate pressure reduction and △ pR is variant with reference to valve (5), open cooperation valve (1) until the pressure reduction of locating with reference to valve (5) remains on △ pR, then open the equalizing valve (3) that the third party end (2) adjacent with terminal temperature difference located, by that analogy.
2. the hydraulic equilibrium adjustment method of pipe system according to claim 1, is characterized in that, described pressure reduction with reference to valve (5) is 3KPA.
3. the hydraulic equilibrium adjustment method of pipe system according to claim 1, is characterized in that, if in described step B during with reference to valve (5) standard-sized sheet and pressure reduction greater than 3KPA, the pressure reduction during with reference valve (5) standard-sized sheet is as reference point.
4. the hydraulic equilibrium adjustment method of pipe system according to claim 1, is characterized in that, the equalizing valve of having debugged in described step C (3) is held open state.
5. the hydraulic equilibrium adjustment method of pipe system according to claim 1, it is characterized in that, in described step C, commissioning staff A regulates to make with reference to pressure reduction before and after valve (5) to cooperation valve (1) and remains on △ pR, commissioning staff B informs commissioning staff A with the numerical information that intercom is located current differential pressure with reference to valve (5), and commissioning staff C opens each user side (2) and locates equalizing valve (3) and make the flow of each user side (2) reach its design load.
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| CN201310008512.8A CN103092223B (en) | 2013-01-09 | 2013-01-09 | A kind of hydraulic equilibrium adjustment method of pipe system |
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| CN201310008512.8A CN103092223B (en) | 2013-01-09 | 2013-01-09 | A kind of hydraulic equilibrium adjustment method of pipe system |
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| CN103092223B CN103092223B (en) | 2016-03-02 |
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Cited By (4)
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| CN103290884A (en) * | 2013-06-27 | 2013-09-11 | 长沙山水节能研究院有限公司 | Method for synchronously adjusting flow of multiple tail end branch pipes of water supplying system |
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| CN106091101A (en) * | 2016-06-06 | 2016-11-09 | 北京华热科技发展有限公司 | A kind of hydraulically balanced adjustment method and system |
| CN104214810B (en) * | 2014-09-27 | 2017-04-12 | 卓旦春 | Hydraulic balance temperature adjusting method |
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| CN106091101A (en) * | 2016-06-06 | 2016-11-09 | 北京华热科技发展有限公司 | A kind of hydraulically balanced adjustment method and system |
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| CN103092223B (en) | 2016-03-02 |
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