CN106522304B - Gravity flow pressure regulating difference water supply system - Google Patents
Gravity flow pressure regulating difference water supply system Download PDFInfo
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- CN106522304B CN106522304B CN201610828371.8A CN201610828371A CN106522304B CN 106522304 B CN106522304 B CN 106522304B CN 201610828371 A CN201610828371 A CN 201610828371A CN 106522304 B CN106522304 B CN 106522304B
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- water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/02—Methods or layout of installations for water supply for public or like main supply for industrial use
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/10—Arrangements or adaptations of tanks for water supply for public or like main water supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- Flow Control (AREA)
Abstract
The invention belongs to the field of industrial water supply systems, and relates to a self-flowing pressure difference-regulating water supply system. Poor water supply system of pressure regulating that flows automatically include high-order pond, low level pond, supply channel and water equipment, high-order pond pass through the supply channel connect gradually water equipment with the low level pond in be provided with low level pond flat plate weir to form low level pond overflow well in the low level pond. The gravity flow pressure-regulating difference water supply system can continuously provide flow under different pressure difference working conditions for water using equipment without additionally adding a pressurizing device (such as a water pump), and has the advantages of wide flow regulation range, simple hydraulic control and stable operation compared with a common water pump variable-frequency water supply system.
Description
Technical Field
The invention belongs to the field of industrial water supply systems, and particularly relates to a self-flowing pressure difference-regulating water supply system.
Background
In the aspect of nuclear engineering or industrial water, water-using equipment needs to operate in a steady state or a dynamic state under different working conditions, and different working conditions need different pressure differences of an inlet and an outlet of the water-using equipment, so that the flow rates required by different working conditions are different. In the prior art, water is supplied by adopting a water pump in a variable frequency mode, on one hand, the requirement of low-flow supply of water using equipment cannot be met under the working condition of low pressure difference; on the other hand, under the condition of variable working condition dynamic operation, the water pump frequency conversion is adjusted, and instantaneous change can cause the water supply pipeline to produce water hammer, influences the water equipment operation safety.
Disclosure of Invention
The invention aims to provide an automatic flow pressure-regulating difference water supply system which can continuously provide flow under different pressure difference working conditions for water using equipment without additionally adding a pressurizing device (such as a water pump), and has the advantages of wide flow regulating range, simple hydraulic control and stable operation compared with a common water pump variable-frequency water supply system.
In order to achieve the purpose, the invention provides a self-flowing pressure difference regulating water supply system which comprises a high-level water tank, a low-level water tank, a water supply pipeline and water utilization equipment, wherein the high-level water tank is sequentially connected with the water utilization equipment and the low-level water tank through the water supply pipeline, and a low-level water tank flat plate weir is arranged in the low-level water tank, so that a low-level water tank overflow well is formed in the low-level water tank. The high-level water tank and the low-level water tank provide water source and water level difference for the system.
Preferably, the invention provides a gravity flow pressure difference-regulating water supply system, and further the height of the flat weir of the low-level water tank can be regulated, so that the function of regulating the water level of the low-level water tank is achieved. The low-level pool flat weir is a thin plate weir, and the length of the flat plate weir meets the flow requirements of water-consuming equipment under different working conditions. When the water utilization equipment is debugged under variable working conditions, the water supply system can be switched to another working condition from a certain working condition to operate by adjusting the height of the flat weir of the low-level water tank, so that the requirement of continuous dynamic adjustment is met.
Preferably, the invention provides a self-flowing pressure difference-regulating water supply system, and further a hydraulic opening and closing device is arranged on the top of the overflow well of the low-level water pool and is in hinged connection with the top of the flat plate weir of the low-level water pool. The hydraulic opening and closing device is matched with a set of hydraulic system, the hydraulic system can ensure that the low-level pool flat plate weir can be quickly adjusted at different heights in the low-level pool, and can continuously stay at the height required by each single working condition to keep the adjustment height unchanged.
Preferably, the invention provides a gravity flow pressure difference-regulating water supply system, and further a low-level pool remote-transmission liquid level meter is arranged in the low-level pool. Therefore, the low-level pool liquid level signal can be remotely transmitted to the system control room.
Preferably, the invention provides a gravity flow pressure difference-regulating water supply system, and further a high-level pool overflow weir is arranged in the high-level pool, so that a high-level pool overflow well is formed in the high-level pool.
Preferably, the invention provides a gravity flow pressure difference-regulating water supply system, and further the overflow weir of the high-level water tank plays a role in ensuring the stable change of the water level of the high-level water tank and inhibiting the fluctuation of the water level.
Preferably, the invention provides a gravity flow pressure difference-regulating water supply system, and a high-level water tank remote transmission liquid level meter is further arranged in the high-level water tank. Therefore, the high-level pool liquid level signal can be remotely transmitted to the system control room. The difference value of the remote level meter measurement values of the high-level pool and the low-level pool is the water level difference of the high-level pool and the low-level pool.
Preferably, the invention provides an automatic flow pressure difference-regulating water supply system, further comprising a remote flow meter arranged on the water supply pipeline to measure the flow rate on the water supply pipeline, and a system control room for monitoring the flow rate of water flowing through the water using equipment under various working conditions in real time.
Preferably, the invention provides a gravity flow pressure difference-regulating water supply system, and a remote transmission pressure difference meter is further arranged on the water supply pipeline of the inlet and the outlet of the water utilization equipment. When the required pressure difference value of the inlet and the outlet under the single operation working condition of the water equipment is the same as the display of the remote transmission differential pressure gauge, the normal operation under the working condition is determined.
Preferably, the invention provides a gravity flow differential pressure regulating water supply system, and further the high-level water tank is connected with the water supply pipeline through the bottom.
By utilizing the self-flowing pressure difference regulating water supply system, the water flow runs stably and the running is safe and reliable; the system can realize the water demand of the water using equipment under different pressure difference working conditions only by adjusting the height of the low-level pool flat plate weir; the system has wide regulation range and simple hydraulic control; the low-level pool flat weir in the system is controlled by a hydraulic system, the reaction speed is high, the adjustment sensitivity is high, and the high-level pool flat weir can be quickly adjusted under different pressure difference working conditions; the system can meet the requirements of different water supply pressure differences and corresponding flow supply without increasing the variable-frequency water supply of the water pump, and saves the equipment investment. The invention has certain popularization value for projects with larger water quantity and water pressure frequency conversion.
Drawings
FIG. 1 is a schematic diagram of the gravity flow differential pressure regulated water supply system of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings.
As shown in figure 1, the gravity flow pressure difference-regulating water supply system consisting of two pools and a set of hydraulic flat weir utilized by the invention comprises: the device comprises a high-level pool (1), a high-level pool overflow well (2), a low-level pool (3), a low-level pool overflow well (4), a high-level pool overflow weir (5), a low-level pool flat plate weir (6), a high-level pool remote liquid level meter (7), a remote flow meter (8), a remote pressure difference meter (9), a low-level pool remote liquid level meter (10), a hydraulic opening and closing device (11) and a water supply pipeline (12).
As can be seen from the figure 1, the high-level water tank (1) provided by the invention is provided with a water tank water inlet, an overflow water outlet and a water outlet (such as nodes N01, N02 and N03 respectively), and the water inlet and the water outlet of the water tank are submerged and discharged. The water level of the high-level pool (1) is kept above the overflow weir (5), and the redundant water flows out through the top of the overflow weir of the high-level pool, enters the overflow well (2) of the high-level pool and is discharged out of the high-level pool through a node N02. The height of the high-level water tank (1) at least ensures that the low-level water tank (3) stops at the highest position of the water tank when the water level is high (namely the low-level water tank flat plate weir (6) in the overflow well of the low-level water tank), and the requirement of the lowest pressure difference of water equipment on a water supply pipeline (12) is met. A plurality of flow guide walls are arranged in the high-level water tank (1), water entering the water tank is guided by the flow guide walls to flow stably, and the stability of the water surface around the water outlet N03 of the water tank is ensured.
As shown in figure 1, the water supply pipeline (12) provided by the invention is provided with a remote-transmission flow meter (8) at a node N04, and the remote-transmission flow meter is used for measuring the flow rate of the water supply pipeline supplied to a water using device under each working condition. Remote differential pressure meters (9) are connected at water inlet and outlet nodes N05 and N06 of the water equipment, and the pressure difference requirements required by the water equipment under various working conditions are automatically realized by matching the low-level pool flat plate weir (6) in the low-level pool overflow well with the remote differential pressure meters (9) on the water supply pipeline. The nominal diameter of the water supply line is designed according to the maximum pressure difference required by the water-consuming equipment for supplying water.
As shown in figure 1, the low-level water tank (3) provided by the invention is provided with a water inlet and an overflow water outlet (such as nodes N07 and N08 respectively), wherein the water inlet of the water tank is submerged outflow, and the overflow discharge is gravity flow. A partition wall is arranged in the low-level water pool (3), and a low-level water pool overflow well (4) is isolated in the low-level water pool (3). The height of the partition wall is set, so that when the low-level pool flat plate weir (6) in the overflow well is required to be adjusted to the bottom of the overflow well, the top of the low-level pool flat plate weir (6) is higher than the top of the partition wall. The depth of the low-level water tank (3) is required to meet the requirement of the highest pressure difference working condition of water-consuming equipment.
As can be seen from FIG. 1, the low level pool flat weir (6) provided by the present invention utilizes the power provided by the hydraulic opening and closing device (11) to automatically adjust up and down in the low level pool overflow well (4). under different working conditions of the water-using equipment, the low level pool (3) corresponds to different water levels (such as h1, h2, h3, h4, etc.), the adjustment height of the low level pool flat weir (6) is automatically realized according to the pressure difference required by the different working conditions of the water-using equipment, for example, when the water-using equipment needs to operate under the working condition 1, the corresponding inlet and outlet pressure difference of the water-using equipment is △ h, the low level pool flat weir (6) automatically adjusts the height according to the program instructions, when the pressure difference displayed by the remote pressure difference meter (9) on the water supply line is consistent with the pressure difference △ h required by the working condition, the low level pool flat weir (6) stops adjusting under the program instruction, and when the water level of the water level meter (8) on the water supply line is stabilized to achieve the flow rate under the remote pressure meter, the same working condition, the adjustment principle that the water-using equipment needs to operate under the dynamic adjustment principle, when the water-using equipment is adjusted, the low level weir (6), the dynamic adjustment height adjustment principle, the water-using equipment is adjusted under the other working condition.
The above-described embodiments are merely illustrative of the present invention, and the present invention may be embodied in other specific forms or other specific forms without departing from the spirit or essential characteristics thereof. The described embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention should be indicated by the appended claims, and any changes that are equivalent to the intent and scope of the claims should be construed to be included therein.
Claims (8)
1. The utility model provides a poor water supply system of flowing automatically pressure regulating which characterized in that: poor water supply system of pressure regulating that flows automatically include high-order pond, low level pond, supply channel and water equipment, the high-order pond pass through the supply channel connect gradually the water equipment with the low level pond in be provided with low level pond flat plate weir to form low level pond overflow well in the low level pond, the flat plate weir height in low level pond adjustable, thereby reach the function of adjusting the low level pond water level low level pond overflow well top be provided with hydraulic headstock gear, hydraulic headstock gear with low level pond flat plate weir top hinge type connect.
2. The water supply system according to claim 1, wherein: and a low-level pool remote transmission liquid level meter is arranged in the low-level pool.
3. The water supply system according to claim 1, wherein: and a high-position water tank overflow weir is arranged in the high-position water tank, so that a high-position water tank overflow well is formed in the high-position water tank.
4. A water supply system according to claim 3, wherein: the overflow weir of the high-level water tank plays a role in ensuring stable change of the water level of the high-level water tank and inhibiting fluctuation of the water surface.
5. The water supply system according to claim 1, wherein: the high-level water tank is internally provided with a high-level water tank remote transmission liquid level meter.
6. The water supply system according to claim 1, wherein: and a remote transmission flowmeter is arranged on the water supply pipeline.
7. The water supply system according to claim 1, wherein: and remote transmission differential pressure gauges are arranged on water supply pipelines of an inlet and an outlet of the water utilization equipment.
8. The water supply system according to claim 1, wherein: the high-level water tank is connected with the water supply pipeline through the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610828371.8A CN106522304B (en) | 2016-09-18 | 2016-09-18 | Gravity flow pressure regulating difference water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610828371.8A CN106522304B (en) | 2016-09-18 | 2016-09-18 | Gravity flow pressure regulating difference water supply system |
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| CN106522304A CN106522304A (en) | 2017-03-22 |
| CN106522304B true CN106522304B (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610828371.8A Active CN106522304B (en) | 2016-09-18 | 2016-09-18 | Gravity flow pressure regulating difference water supply system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109944301B (en) * | 2019-04-25 | 2024-01-12 | 北京市市政工程设计研究总院有限公司 | Clean water tank water absorbing well system and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3321279B2 (en) * | 1994-01-31 | 2002-09-03 | 株式会社日立製作所 | Differential pressure type water level measuring device |
| JPH08246518A (en) * | 1995-03-14 | 1996-09-24 | Hitachi Building Syst Eng & Service Co Ltd | Elevated tank device |
| JP2579743B2 (en) * | 1995-07-03 | 1997-02-12 | 株式会社 エフエムバルブ製作所 | Water level control device for aquarium |
| CN102183284B (en) * | 2011-04-14 | 2012-06-27 | 张广忠 | Liquid flow standard calibration device |
| CN202832672U (en) * | 2012-09-27 | 2013-03-27 | 上海梅山钢铁股份有限公司 | Circulating water balance water supply device |
| CN104846969A (en) * | 2014-11-05 | 2015-08-19 | 高天红 | High-position adjusting and storing secondary water supply system |
| CN105756140A (en) * | 2016-04-14 | 2016-07-13 | 苏州华控清源系统科技股份有限公司 | Municipal water tank regulating and storing system and regulating and storing method thereof |
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