CN216041457U - Three-tank type non-negative pressure water supply equipment - Google Patents
Three-tank type non-negative pressure water supply equipment Download PDFInfo
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- CN216041457U CN216041457U CN202121079871.9U CN202121079871U CN216041457U CN 216041457 U CN216041457 U CN 216041457U CN 202121079871 U CN202121079871 U CN 202121079871U CN 216041457 U CN216041457 U CN 216041457U
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Abstract
The utility model relates to a three-tank type non-negative pressure water supply device, which comprises: a communication switching device; the water inlet end of the flow stabilizing tank is respectively connected with the municipal pipe network and the communication switching device; the water pump set comprises a water inlet main pipe and a water outlet main pipe, the water inlet main pipe of the water pump set is connected with the water outlet end of the steady flow tank, and the water outlet main pipe of the water pump set is connected with a user pipe network; the pressure stabilizing compensation device is connected with the water inlet main pipe and is also respectively connected with the water outlet main pipe through a water return pipeline I and a water return pipeline II; and a compensation booster pump. The three-tank type non-negative pressure water supply equipment disclosed by the utility model avoids the situation that the water pump is frequently started and stopped when the water pump uses water at a small flow rate, prolongs the service life of the water pump, and solves the problem of insufficient pressure stabilizing capacity of an outlet.
Description
Technical Field
The utility model belongs to the technical field of water supply equipment, and particularly relates to three-tank type non-negative-pressure water supply equipment.
Background
With the development of secondary water supply equipment, the technology is continuously updated, and the non-negative pressure water supply equipment is widely applied to a modern high-rise building water supply system as a novel secondary water supply mode due to the properties of energy conservation, land conservation, no secondary pollution and the like. However, due to the fact that the water storage capacity of the water supply unit is limited, effective compensation water quantity provided when water is used at a small flow is small, negative pressure suppression technology is single, the water pump is started and stopped frequently, low-frequency operation time is long, the working efficiency of a water supply unit is low, and the service life of a water pump motor of the unit is shortened. The pressure stabilizing capacity is insufficient, and the outlet pressure fluctuation is large.
Through retrieval, the Chinese utility model patent: three-tank formula steady voltage compensation does not have negative pressure water supply equipment (application number is CN201120536631.7, and application date is 2011.12.20), and this application relates to three-tank formula steady voltage compensation does not have negative pressure water supply equipment, including constant voltage compensation jar, differential compensation jar, variable frequency water pump and two-way compensator, the end of intaking of constant voltage compensation jar is connected with municipal pipe network, and the differential compensation jar links to each other with two-way compensator, and the play water end of constant voltage compensation jar links to each other with variable frequency water pump input and two-way compensator, including low discharge compensation jar and pressure boost variable frequency water pump, the low discharge compensation jar is connected with two-way compensator through pressure boost variable frequency water pump, the low discharge compensation jar links to each other with the differential compensation jar through the connecting pipe. The technical scheme improves the traditional secondary pressurized water supply equipment, adds the small-flow compensation tank and solves the problem that the traditional secondary pressurized water supply equipment has less effective compensation water amount provided by the small-flow pressure maintaining function; the water pump is frequently started and stopped; the pressure stabilizing function is insufficient, and the change of the water outlet pressure is large, so that the water supply system is safer and more stable in operation, efficient and energy-saving. However, the technical scheme still has the following defects: the high-pressure water supply in the high-pressure energy storage tank can not be finely adjusted, and the supercharging variable-frequency water pump can not intelligently return water to the high-pressure energy storage tank according to the actual state of a user pipe network.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model aims to overcome the defects that the working efficiency of a water supply unit is low due to frequent starting and stopping times and long low-frequency running time of the conventional water pump, and provides three-tank type non-negative-pressure water supply equipment to avoid the situation that the water pump is frequently started and stopped when water is used at a small flow.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the utility model is as follows:
three pot-types do not have negative pressure water supply equipment includes:
the water inlet end of the flow stabilizing tank is connected with a municipal pipe network;
the water pump set comprises at least two water pumps, a water inlet main pipe and a water outlet main pipe which are respectively connected with a water inlet and a water outlet of the water pumps, the water inlet main pipe is connected with the water outlet end of the steady flow tank, and the water outlet main pipe is connected with a user pipe network;
the pressure stabilizing compensation device is connected with the water inlet main pipe, the pressure stabilizing compensation device is also respectively connected with the water outlet main pipe through a water return pipeline I and a water return pipeline II, the position of the water return pipeline I connected with the water outlet main pipe is a connector I, the position of the water return pipeline II connected with the water outlet main pipe is a connector II, the distance between the connector II and the water pump is greater than the distance between the connector I and the water pump, and the distance between a connector between a user pipe network and the water pump is greater than the distance between the connector II and the water pump;
and the compensation booster pump is arranged on the water outlet main pipeline between the first connecting port and the second connecting port.
The preferable technical scheme is as follows:
the three-tank type non-negative-pressure water supply equipment comprises a pressure stabilizing compensation tank, a high-pressure energy storage tank and a communication switching device, wherein the pressure stabilizing compensation tank and the high-pressure energy storage tank are arranged in parallel, the communication switching device is respectively connected with the pressure stabilizing compensation tank and the high-pressure energy storage tank, the communication switching device is connected with a water inlet main pipe, and the communication switching device is also connected with a water outlet main pipe through a water return pipeline I and a water return pipeline II.
The three-tank type non-negative pressure water supply equipment further comprises an instrument valve assembly, wherein the instrument valve assembly comprises a plurality of electromagnetic valves, and the plurality of electromagnetic valves are respectively arranged on a connecting pipeline between the steady flow tank, the water pump set, the pressure stabilizing compensation tank, the high-pressure energy storage tank and the compensation booster pump.
The three-tank type non-negative pressure water supply equipment further comprises a control cabinet, wherein the control cabinet is in control connection with each electromagnetic valve on a connecting pipeline between the flow stabilizing tank and the water pump set, between the pressure stabilizing compensation tank and the high-pressure energy storage tank and between the compensation booster pumps.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
the three-tank type non-negative pressure water supply equipment disclosed by the utility model compensates a municipal pipe network when the water consumption is large through the high-pressure energy storage tank, and avoids the condition of limited equipment or shutdown operation caused by insufficient municipal pressure water supply. The negative pressure influence on the municipal pipe network is reliably avoided; the pressure stabilizing compensation tank compensates the outlet pipe network in small-flow water consumption, so that the small-flow pressure maintaining capacity of the equipment is greatly improved, the water pump does not need to be started when the small-flow water consumption is carried out, the frequent starting and stopping of the water pump when the small-flow water consumption is carried out is avoided, the service life of the water pump is prolonged, and the condition that the outlet pressure stabilizing capacity is insufficient is solved.
Drawings
FIG. 1 is a schematic structural view of a three-tank type non-negative pressure water supply apparatus of the present invention;
the reference numerals in the schematic drawings illustrate:
1. a flow stabilizing tank; 2. a water pump set; 3. a water inlet main pipe; 4. a water outlet main pipe; 5. a water return pipeline I; 6. a water return pipeline II; 7. a first connecting port; 8. a second connecting port; 9. a compensation booster pump; 10. a pressure stabilizing compensation tank; 11. a high pressure energy storage tank; 12. a communication switching device; 13. an electromagnetic valve; 14. a control cabinet.
Detailed Description
In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the utility model.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiment provides a three-tank type non-negative pressure water supply device, which comprises a steady flow tank 1, a water pump set 2, a pressure stabilizing compensation device, a compensation booster pump 9, an instrument valve assembly and a control cabinet 14.
The water inlet end of the steady flow tank 1 is connected with a municipal pipe network, the water pump set 2 comprises at least two water pumps, a water inlet main pipe 3 and a water outlet main pipe 4 which are respectively connected with a water inlet and a water outlet of the water pumps, the water inlet main pipe 3 is connected with the water outlet end of the steady flow tank 1, and the water outlet main pipe 4 is connected with a user pipe network.
The water inlet main pipe of the water pump set 3 is provided with a filtering component for filtering water flow entering the water pump set 3 and preventing the water pump set 3 from being damaged.
The pressure stabilizing compensation device is connected with the water inlet main pipe 3, the pressure stabilizing compensation device is further connected with the water outlet main pipe 4 through a water return pipeline I5 and a water return pipeline II 6 respectively, the position of the water outlet main pipe 4 connected with the water return pipeline I5 is a first connecting port 7, the position of the water return pipeline II 6 connected with the water outlet main pipe 4 is a second connecting port 8, the distance between the second connecting port 8 and the water pump is larger than the distance between the first connecting port 7 and the water pump, the distance between a user pipe network and the water pump is larger than the distance between the second connecting port 8 and the water pump, and the compensating booster pump 9 is arranged on the water outlet main pipe 4 between the first connecting port 7 and the second connecting port 8.
The pressure stabilizing compensation device comprises a pressure stabilizing compensation tank 10, a high-pressure energy storage tank 11 and a communication switching device 12, wherein the pressure stabilizing compensation tank 10 and the high-pressure energy storage tank 11 are arranged in parallel, the communication switching device 12 is connected with the water inlet main pipe 3, and the communication switching device 12 is further connected with the water outlet main pipe 4 through a water return pipeline I5 and a water return pipeline II 6.
In this embodiment, the pressure-stabilizing compensation tank 10 is used for the user pipe network demand during the pipeline pressure-supplementing water peak period by combining the pipe network residual pressure during the water peak period, and the high-pressure energy storage tank 11 is used for performing the constant-pressure compensation on the pressure-stabilizing compensation tank 10. This embodiment is through set up return water pipeline 5 and return water pipeline two 6 respectively between water pump assembly 2's water outlet manifold 4 and UNICOM auto-change over device 9, utilizes return water pipeline 5 and return water pipeline two 6 to carry out the pressure boost water storage to high-pressure energy storage tank 11 respectively. When the water consumption is in a peak, the water pump group 2 is used for providing enough water pressure to stabilize and compensate a user pipe network, and the high-pressure energy storage tank 11 is pressurized and stored by the aid of the return pipeline I5 and the return pipeline II 6; and when the water consumption is low, the water pump group 2 stops running, at the moment, because of the reduction of the output water pressure in the water outlet header pipe 4, the first return pipeline 5 does not pressurize and store water for the high-pressure energy storage tank 11 any more, but utilizes the compensation booster pump 6 to pressurize, and stores water for the high-pressure energy storage tank 11 through the second return pipeline 6. More specifically, the position of the water return pipeline I5 connected with the water outlet main pipe 4 is a connector I7, the position of the water return pipeline II 6 connected with the water outlet main pipe 4 is a connector II 8, the distance between the connector II 8 and the water pump is greater than the distance between the connector I7 and the water pump, the distance between the connector between a user pipe network and the water pump is greater than the distance between the connector II 8 and the water pump, the compensation booster pump 9 is arranged on the water outlet main pipe 4 between the connector I7 and the connector II 8, the structural design of the water return pipeline I5, the water return pipeline II 6 and the compensation booster pump 9 is adopted, on one hand, compared with the design of a single water return pipeline and the compensation booster pump, when a water peak and a water pump group continuously work, water is continuously supplied to the high-pressure energy storage tank 11 through the two water return pipelines, the delivery efficiency of the water supply to the high-pressure energy storage tank 11 can be improved; when the water peak is low, the water pump group stop work, utilize compensation booster pump 9 to supply water to 11 pressure boost of high-pressure energy storage tank through two 6 return water pipelines, when satisfying 11 basic water supply demands of high-pressure energy storage tank, guarantee that the work of compensation booster pump 9 not only can not cause the influence to the rivers water pressure that flows into the user pipe network, can satisfy the demand of user's miniflow water to a certain extent on the contrary to the constant pressure compensation of user pipe network.
The instrument valve assembly comprises a plurality of electromagnetic valves 13, and the plurality of electromagnetic valves 13 are respectively arranged on a connecting pipeline between the steady flow tank 1, the water pump set 2, the steady pressure compensation tank 10, the high pressure energy storage tank 11 and the compensation booster pump 9.
The control cabinet 14 is in control connection with the electromagnetic valves 13 respectively arranged on the connecting pipelines between the steady flow tank 1, the water pump group 2, the pressure stabilizing compensation tank 10, the high-pressure energy storage tank 11 and the compensation booster pump 9.
The three-tank type non-negative pressure water supply equipment of the embodiment compensates the municipal pipe network when the water consumption is large through the high-pressure energy storage tank 11, and avoids the condition that the equipment is limited or the equipment is shut down to operate due to insufficient municipal pressure water supply. The negative pressure influence on the municipal pipe network is reliably avoided; the pressure stabilizing compensation tank 10 compensates the outlet pipe network in small-flow water consumption, so that the small-flow pressure maintaining capacity of the equipment is greatly improved, the water pump does not need to be started when the small-flow water consumption is carried out, the frequent starting and stopping of the water pump when the small-flow water consumption is carried out is avoided, the service life of the water pump is prolonged, and the condition that the outlet pressure stabilizing capacity is insufficient is solved.
The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (4)
1. Three pot-types do not have negative pressure water supply equipment, its characterized in that includes:
the water inlet end of the flow stabilizing tank (1) is connected with a municipal pipe network;
the water pump set (2) comprises at least two water pumps, a water inlet main pipe (3) and a water outlet main pipe (4) which are respectively connected with a water inlet and a water outlet of the water pumps, the water inlet main pipe (3) is connected with a water outlet end of the flow stabilizing tank (1), and the water outlet main pipe (4) is connected with a user pipe network;
the pressure stabilizing compensation device is connected with the water inlet header pipe (3), the pressure stabilizing compensation device is further connected with the water outlet header pipe (4) through a first water return pipeline (5) and a second water return pipeline (6), the position where the first water return pipeline (5) is connected with the water outlet header pipe (4) is a first connecting port (7), the position where the second water return pipeline (6) is connected with the water outlet header pipe (4) is a second connecting port (8), the distance between the second connecting port (8) and the water pump is larger than the distance between the first connecting port (7) and the water pump, and the distance between a connecting port between a user pipe network and the water pump is larger than the distance between the second connecting port (8) and the water pump;
and the compensation booster pump (9), wherein the compensation booster pump (9) is arranged on a pipeline of the water outlet main pipe (4) between the first connecting port (7) and the second connecting port (8).
2. The three-tank type non-negative-pressure water supply equipment according to claim 1, wherein the pressure stabilizing compensation device comprises a pressure stabilizing compensation tank (10) and a high-pressure energy storage tank (11) which are arranged in parallel, and a communication switching device (12) which is respectively connected with the pressure stabilizing compensation tank (10) and the high-pressure energy storage tank (11), the communication switching device (12) is connected with the water inlet main pipe (3), and the communication switching device (12) is also connected with the water outlet main pipe (4) through a water return pipeline I (5) and a water return pipeline II (6).
3. The three-tank type non-negative pressure water supply equipment according to claim 2, further comprising an instrument valve assembly, wherein the instrument valve assembly comprises a plurality of electromagnetic valves (13), and the plurality of electromagnetic valves (13) are respectively arranged on connecting pipelines among the steady flow tank (1), the water pump group (2), the pressure stabilizing compensation tank (10), the high pressure energy storage tank (11) and the compensation booster pump (9).
4. The three-tank type non-negative pressure water supply equipment according to claim 2, further comprising a control cabinet (14), wherein the control cabinet (14) is in control connection with each electromagnetic valve (13) respectively arranged on connecting pipelines among the steady flow tank (1), the water pump set (2), the pressure stabilizing compensation tank (10), the high pressure energy storage tank (11) and the compensation booster pump (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121079871.9U CN216041457U (en) | 2021-05-19 | 2021-05-19 | Three-tank type non-negative pressure water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121079871.9U CN216041457U (en) | 2021-05-19 | 2021-05-19 | Three-tank type non-negative pressure water supply equipment |
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| Publication Number | Publication Date |
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| CN216041457U true CN216041457U (en) | 2022-03-15 |
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| CN202121079871.9U Active CN216041457U (en) | 2021-05-19 | 2021-05-19 | Three-tank type non-negative pressure water supply equipment |
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