CN216304794U - Non-negative pressure water supply equipment - Google Patents

Non-negative pressure water supply equipment Download PDF

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Publication number
CN216304794U
CN216304794U CN202122538062.6U CN202122538062U CN216304794U CN 216304794 U CN216304794 U CN 216304794U CN 202122538062 U CN202122538062 U CN 202122538062U CN 216304794 U CN216304794 U CN 216304794U
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pressure
fixedly connected
pipeline
water supply
water
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滕波
崔道勇
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Shanghai Kaiyuan Pump Co ltd
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Shanghai Kaiyuan Pump Co ltd
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Abstract

The utility model provides a non-negative pressure water supply device, wherein a municipal water supply pipe is fixedly connected above a low pressure cavity, one side of the low pressure cavity is fixedly connected with a low pressure bypass pipe through a pipeline, two sides of the low pressure bypass pipe are fixedly connected with water inlet collecting pipes, one end of each water inlet collecting pipe is fixedly connected with a pressurization pipeline, a high pressure bypass pipe is fixedly connected above the high pressure cavity through a pipeline, one ends of the low pressure bypass pipe, the high pressure bypass pipe and the pressurization pipeline are fixedly connected with the same water outlet manifold through pipelines, and one side of the water outlet manifold is fixedly connected with a water outlet pressure tank through a pipeline; through setting up multiple different operation requirement and running condition, adopt different water supply modes to supply water respectively to reach the purpose of tailor-made, intensive function, not only energy-conserving index has obvious promotion, has prolonged the life of equipment moreover greatly, has stronger economic nature.

Description

Non-negative pressure water supply equipment
Technical Field
The embodiment of the utility model relates to the technical field of non-negative-pressure variable-frequency water supply, in particular to non-negative-pressure water supply equipment.
Background
At present, the resident water supply system usually adopts two secondary pressurization water supply modes of frequency conversion water supply or overlapped pipe network water supply. The water inlet main pipe of the secondary supercharging equipment is connected with the municipal pipe network, and the water outlet manifold of the secondary supercharging is used for supplying water to the water supply area.
All water supply regions have time periods with different requirements on water supply amount and water supply pressure, namely water use peak and water use valley, and meanwhile, because the water supply regions also have different water use pressures due to different floors of the water use regions, if the water supply characteristics of different requirements of different regions in different time periods are not treated distinctively, the traditional water supply mode is used, great resource waste is inevitably caused, and the cost of water for residents is increased. Especially at the low ebb season of water use night, the water end is mostly the water of a two households low discharge, and the main pump pressure boost can be started to traditional water supply mode, and the pressure boost time is extremely short moreover, not only causes the electric energy wasting of resources, also receives the influence to the life of water pump.
Through the retrieval, chinese patent publication is CN 204551583U's patent, discloses a no negative pressure frequency conversion water supply equipment, including the base frame, steady voltage regulator, diaphragm overhead tank, variable frequency control cabinet are equipped with on the base frame, steady voltage regulator loops through running water trunk line, negative pressure meter, water supply butterfly valve, backflow preventer, Y type filter and municipal administration and is responsible for the net switch-on, steady voltage regulator is through a plurality of booster lines and unit building owner pipe network intercommunication, the booster line is including working shaft, soft joint, check valve, butterfly valve, unit building owner pipe network is equipped with diaphragm overhead tank, the manometer of registering one's residence, each unit is responsible for the net butterfly valve, steady voltage regulator, diaphragm overhead tank, working shaft are connected with variable frequency control cabinet power supply control respectively.
One kind of no negative pressure frequency conversion water supply installation in above-mentioned patent exists following shortcoming: the equipment only supplements the pressure of the difference between the water inlet pressure of tap water and the required pressure, stops working when the tap water pressure meets the requirement, is directly supplied by municipal pressure, has no characteristic of distinctively treating the water supply characteristics of different demands of different areas in different time periods, leads to great resource waste, and increases the cost of water for residents
To this end, a non-negative pressure water supply apparatus is proposed.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims to provide a non-negative pressure water supply device which solves the defects in the prior art.
In order to achieve the above object, the following technical solutions are designed in the embodiments of the present invention:
the utility model provides a no negative pressure water supply equipment, includes low pressure chamber, high pressure chamber and energy storage chamber, its characterized in that: the improved water supply system is characterized in that a municipal water supply pipe is fixedly connected to the upper portion of the low-pressure cavity, a low-pressure bypass pipe is fixedly connected to one side of the low-pressure cavity through a pipeline, water inlet collecting pipes are fixedly connected to two sides of the low-pressure bypass pipe, a boosting pipeline is fixedly connected to one end of each water inlet collecting pipe, a high-pressure bypass pipe is fixedly connected to the upper portion of the high-pressure cavity through a pipeline, and one end of each low-pressure bypass pipe, one end of each high-pressure bypass pipe and one end of each boosting pipeline are fixedly connected with the same water outlet manifold through a pipeline.
In some embodiments, one side of the water outlet collecting pipe is fixedly connected with a water outlet air pressure tank through a pipeline.
In some embodiments, a check valve and a butterfly valve are fixedly connected to the low-pressure bypass pipe from right to left, and a butterfly valve II, a booster main pump, a check valve II and a butterfly valve III are fixedly connected to the booster pipeline from right to left in sequence.
In some embodiments, an energy storage solenoid valve is fixedly connected to one side of the low pressure cavity through a pipeline, and the energy storage solenoid valve is fixedly connected to the energy storage cavity through a pipeline.
In some embodiments, one side of the energy storage cavity is fixedly connected with a high-pressure stabilizing pump through a pipeline, one end of the high-pressure stabilizing pump is fixedly connected with a fourth butterfly valve, and one side of the fourth butterfly valve is fixedly connected with the high-pressure cavity through a pipeline.
In some embodiments, the high pressure chamber is located to the right of the low pressure chamber and the energy storage chamber is located to the right of the high pressure chamber.
In some embodiments, one side of the fourth butterfly valve is fixedly connected with a medium-pressure electromagnetic valve through a pipeline, one end of the medium-pressure electromagnetic valve is fixedly connected with a dispensing and water-supplementing water pump through a pipeline, one end of the dispensing and water-supplementing water pump is fixedly connected with a third check valve, one side of the third check valve is fixedly connected with a fifth butterfly valve, and one end of the fifth butterfly valve is fixedly connected with the low-pressure cavity through a pipeline.
In some embodiments, a high-pressure solenoid valve is disposed in the middle of the high-pressure bypass pipe.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a no negative pressure water supply equipment, through having set up multiple different operation requirement and running condition, adopts different water supply mode water supply respectively to reach the customization, reinforce the purpose of function, not only energy-conserving index has obvious promotion, has prolonged the life of equipment moreover greatly, has stronger economic nature.
A non-negative pressure water supply equipment, when the water supply mode is directly used in the low area, the water source enters into the low pressure cavity from the municipal water supply pipe, and directly flows to the water outlet collecting pipe through the low pressure bypass pipe, the check valve and the butterfly valve, and the water supply equipment directly supplies water to the low pressure water area without starting the pressure pump in the equipment.
A non-negative pressure water supply device utilizes a high-pressure and pressure-stabilizing mode to replenish water in a small-flow water supply mode at night, thereby playing a role in protecting a main pump.
The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Reference numerals:
1-low pressure cavity, 2-high pressure cavity, 3-energy storage cavity, 4-water outlet air pressure tank, 5-water outlet manifold, 6-municipal water supply pipe, 7-butterfly valve, 8-check valve, 9-pressure boost main pump, 10-regulator water-supplement pump, 11-high pressure stabilizing pump, 12-high pressure solenoid valve, 13-medium pressure solenoid valve, 14-energy storage solenoid valve, 15-water inlet water collecting pipe, 16-low pressure bypass pipe, 17-pressure boost pipe, 18-high pressure bypass pipe, 19-butterfly valve two, 20-check valve two, 21-butterfly valve three, 22-butterfly valve four, 23-check valve three, 24-butterfly valve five.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, a non-negative pressure water supply device comprises a low pressure cavity 1, a municipal water supply pipe 6 is fixedly connected above the low pressure cavity 1, a low pressure bypass pipe 16 is fixedly connected to one side of the low pressure cavity 1 through a pipeline, a check valve 8 and a butterfly valve 7 are fixedly connected to the low pressure bypass pipe 16 from right to left, and a water outlet manifold 5 is fixedly connected to one end of the low pressure bypass pipe 16 through a pipeline; through being provided with low pressure chamber 1 and municipal water supply pipe 6 for the water source can flow into low pressure chamber 1 from municipal water supply pipe 6, through being provided with low pressure bypass pipe 16, check valve 8 and water collection pipe 5, make the water source can flow to water collection pipe 5 through low pressure bypass pipe 16 in the low pressure chamber 1, then directly supply water to the low pressure water supply district, and check valve 8 can prevent that the water source from flowing back to low pressure chamber 1 from the low pressure water supply district, through being provided with butterfly valve 7, make the pipeline of low pressure bypass pipe 16 can be controlled its and open and close by butterfly valve 7.
In this embodiment, one side of the outlet manifold 5 is fixedly connected with an outlet air pressure tank 4 through a pipeline; the water source flowing to the water outlet collecting pipe 5 is better remained to the water supply area under the action of the water outlet air pressure tank 4 by arranging the water outlet air pressure tank 4.
The working principle is as follows:
1. firstly, a water source enters a low-pressure cavity 1 of a low-pressure cavity through a municipal water supply pipe 6 of a municipal pipe network;
2. the pipeline of the low-pressure bypass pipe 16 is opened through the butterfly valve 7;
3. the water source in the low-pressure cavity 1 flows to the water outlet collecting pipe 5 through a check valve 8 and a butterfly valve 7 which are arranged on a low-pressure bypass pipe 16;
4. and starting the air pressure tank 4 at the water outlet, so that the water flowing to the water outlet collecting pipe 5 directly supplies water to the low-pressure water using area.
Example 2:
a non-negative pressure water supply device, which is improved in the following manner based on embodiment 1, as shown in fig. 1, two sides of a low pressure bypass pipe 16 are fixedly connected with a water inlet collecting pipe 15, one end of the water inlet collecting pipe 15 is fixedly connected with a pressurization pipeline 17, a second butterfly valve 19, a pressurization main pump 9, a second check valve 20 and a third butterfly valve 21 are fixedly connected to the pressurization pipeline 17 from right to left in sequence, and one end of the pressurization pipeline 17 is connected with an outlet water collecting pipe 5; through being provided with into water collector pipe 15 and pressure boost pipeline 17, make when the water source is sufficient, water source accessible water collector pipe 15 can get into pressure boost pipeline 17, through being provided with pressure boost pipeline 17, thereby make and realize supplying water to the normal water supply of water supply district through pressure boost pipeline 17, through being provided with two check valves 20, make the unable backward flow of rivers, through being provided with two 19 butterfly valves and three 21 butterfly valves, realize the control to pressure boost pipeline 17's pipeline.
In this embodiment, one side of the low pressure cavity 1 is fixedly connected with an energy storage electromagnetic valve 14 through a pipeline, the energy storage electromagnetic valve 14 is fixedly connected with an energy storage cavity 3 through a pipeline, one side of the energy storage cavity 3 is fixedly connected with a high pressure stabilizing pump 11 through a pipeline, one end of the high pressure stabilizing pump 11 is fixedly connected with a butterfly valve four 22, one side of the butterfly valve four 22 is fixedly connected with a high pressure cavity 2 through a pipeline, the high pressure cavity 2 is located on the right side of the low pressure cavity 1, and the energy storage cavity 3 is located on the right side of the high pressure cavity 2; through being provided with high pressure chamber 2 and energy storage chamber 3 for sufficient water source accessible pipeline gets into high pressure chamber 2 and energy storage chamber 3, to high pressure chamber 2 and the energy storage of 3 impoundments in energy storage chamber, through being provided with energy storage solenoid valve 14 and four 22 butterfly valves, whether the water source of controlling low pressure chamber 1 can get into energy storage chamber 3, and whether the water source of energy storage chamber 3 can get into high pressure chamber 2, through being provided with high pressure stable pump 11, make the water source in the high pressure chamber 2 be in the pressure state of requirement all the time.
In this embodiment, one side of the fourth butterfly valve 22 is fixedly connected with a medium-pressure electromagnetic valve 13 through a pipeline, one end of the medium-pressure electromagnetic valve 13 is fixedly connected with a regulating and water-supplementing pump 10 through a pipeline, one end of the regulating and water-supplementing pump 10 is fixedly connected with a third check valve 23, one side of the third check valve 23 is fixedly connected with a fifth butterfly valve 24, and one end of the fifth butterfly valve 24 is fixedly connected with the low-pressure cavity 1 through a pipeline; whether the water source of the high-pressure cavity 2 can enter the low-pressure cavity 1 is controlled by arranging the medium-pressure electromagnetic valve 13, and the water lost in the operation of the device can be supplemented by arranging the regulating and water supplementing pump 10.
The working principle is as follows:
the operating condition of the device is divided into the normal state when the municipal water source is sufficient and the low valley state when the municipal water supply is insufficient:
when the municipal water source is sufficient:
1. firstly, closing the butterfly valve 7 and opening the butterfly valve II 19 and the butterfly valve III 21;
2. then water flow enters the low-pressure cavity 1 through the municipal water supply pipe 6, and part of the water flows to the pressurization pipeline 17 through the water inlet water collecting pipe 15 and the butterfly valve II 19;
3. the water flowing into the pressurization pipeline 17 is pressurized by the pressurization main pump 9, then finally flows into the water outlet collecting pipe 5 through the check valve II 20 and the butterfly valve III 21, and is supplied to the water supply area under the action of the water outlet air pressure tank 4;
4. the energy storage electromagnetic valve 14 is opened, and the other part of water in the low-pressure cavity 1 flows into the energy storage cavity 3 through a pipeline;
5. the high-pressure stabilizing pump 11 and the medium-pressure solenoid valve 13 are closed, and the butterfly valve four 22 is opened, so that the water in the energy storage chamber 3 flows into the high-pressure chamber 2 through the butterfly valve four 22 and the non-operating high-pressure stabilizing pump 11.
When the municipal water source is insufficient:
1. firstly, closing the energy storage electromagnetic valve 14 and the butterfly valve 7, and opening the butterfly valve II 19, the butterfly valve III 21, the butterfly valve V24 and the medium voltage electromagnetic valve 13;
2. starting the regulating and water replenishing pump 10 to pump the stored water in the high-pressure cavity 2 and the energy storage cavity 3 into the low-pressure cavity 1 so as to replenish the shortage of the water supplied by the municipal water supply pipe 6;
3. simultaneously, water from the municipal water supply pipe 6 enters the low-pressure cavity 1, and flows to the pressurizing pipeline 17 together with water pumped from the high-pressure cavity 2 and the energy storage cavity 3 through the water inlet water collecting pipe 15 and the butterfly valve II 19;
4. the water flowing into the pressurization pipeline 17 is pressurized by the pressurization main pump 9, then finally flows into the water outlet collecting pipe 5 through the check valve II 20 and the butterfly valve III 21, and is supplied to the water supply area under the action of the water outlet air pressure tank 4.
Example 3:
a non-negative pressure water supply device, this embodiment is an improvement on the basis of embodiment 2, as shown in fig. 1, a high pressure bypass pipe 18 is fixedly connected above the high pressure chamber 2 through a pipeline, a high pressure solenoid valve 12 is arranged in the middle of the high pressure bypass pipe 18, and the high pressure bypass pipe 18 is communicated with a water outlet collecting pipe 5; the high pressure solenoid valve 12 is provided to control the piping of the high pressure bypass 18.
The working principle is as follows:
1. opening the energy storage electromagnetic valve 14 and the butterfly valve four 22 and closing the butterfly valve 7, the butterfly valve two 19 and the middle pressure electromagnetic valve 13;
2. the water flowing into the low-pressure cavity 1 from the municipal water supply pipe 6 reaches the high-pressure stabilizing pump 11 through the pipeline, the energy storage electromagnetic valve 14 and the energy storage cavity 3;
3. starting the high-pressure stabilizing pump 11 to send water flow into the high-pressure cavity 2 and flow to the high-pressure bypass pipe 18;
4. and opening the high-pressure electromagnetic valve 12, and finally allowing the water flow to flow into the water outlet collecting pipe 5 and performing small-flow water supply at night under the action of the water outlet air pressure tank 4.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the utility model, and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model in practice.

Claims (8)

1. The utility model provides a no negative pressure water supply equipment, includes low-pressure chamber (1), high-pressure chamber (2) and energy storage chamber (3), its characterized in that: the utility model discloses a high-pressure water supply device, including low pressure chamber (1), low pressure chamber (1) top fixedly connected with municipal water supply pipe (6), low pressure chamber (1) one side is through pipeline fixedly connected with low pressure bypass pipe (16), low pressure bypass pipe (16) both sides fixedly connected with water intake collector pipe (15), the one end fixedly connected with pressure boost pipeline (17) of water intake collector pipe (15), high pressure chamber (2) top is through pipeline fixedly connected with high pressure bypass pipe (18), the same outlet manifold (5) of pipeline fixedly connected with is passed through to the one end of low pressure bypass pipe (16), high pressure bypass pipe (18) and pressure boost pipeline (17).
2. The non-negative pressure water supply apparatus as claimed in claim 1, wherein: one side of the water outlet manifold pipe (5) is fixedly connected with a water outlet air pressure tank (4) through a pipeline.
3. The non-negative pressure water supply apparatus as claimed in claim 1, wherein: the low-pressure bypass pipe (16) is fixedly connected with a check valve (8) and a butterfly valve (7) from right to left, and the pressurizing pipeline (17) is sequentially fixedly connected with a butterfly valve II (19), a pressurizing main pump (9), a check valve II (20) and a butterfly valve III (21) from right to left.
4. The non-negative pressure water supply apparatus as claimed in claim 1, wherein: one side of the low-pressure cavity (1) is fixedly connected with an energy storage electromagnetic valve (14) through a pipeline, and the energy storage electromagnetic valve (14) is fixedly connected with the energy storage cavity (3) through a pipeline.
5. The non-negative pressure water supply apparatus as claimed in claim 4, wherein: energy storage chamber (3) one side is through pipeline fixedly connected with high pressure stabilizer pump (11), the one end fixedly connected with butterfly valve four (22) of high pressure stabilizer pump (11), one side and high pressure chamber (2) of butterfly valve four (22) pass through pipeline fixed connection.
6. The non-negative pressure water supply apparatus as claimed in claim 5, wherein: the high-pressure cavity (2) is positioned on the right side of the low-pressure cavity (1), and the energy storage cavity (3) is positioned on the right side of the high-pressure cavity (2).
7. The non-negative pressure water supply apparatus as claimed in claim 5, wherein: pipeline fixedly connected with middling pressure solenoid valve (13) is passed through to one side of four butterfly valves (22), pipeline fixedly connected with adjustment moisturizing pump (10) is passed through to the one end of middling pressure solenoid valve (13), the one end fixedly connected with check valve three (23) of adjustment moisturizing pump (10), one side fixedly connected with butterfly valve five (24) of three (23) of check valve, pipeline and low pressure chamber (1) fixed connection are passed through to the one end of butterfly valve five (24).
8. The non-negative pressure water supply apparatus as claimed in claim 1, wherein: the middle part of the high-pressure bypass pipe (18) is provided with a high-pressure electromagnetic valve (12).
CN202122538062.6U 2021-10-21 2021-10-21 Non-negative pressure water supply equipment Active CN216304794U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122538062.6U CN216304794U (en) 2021-10-21 2021-10-21 Non-negative pressure water supply equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122538062.6U CN216304794U (en) 2021-10-21 2021-10-21 Non-negative pressure water supply equipment

Publications (1)

Publication Number Publication Date
CN216304794U true CN216304794U (en) 2022-04-15

Family

ID=81116066

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122538062.6U Active CN216304794U (en) 2021-10-21 2021-10-21 Non-negative pressure water supply equipment

Country Status (1)

Country Link
CN (1) CN216304794U (en)

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