CN220365084U - Multistage pressure compensation negative pressure-free secondary water supply equipment - Google Patents
Multistage pressure compensation negative pressure-free secondary water supply equipment Download PDFInfo
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- CN220365084U CN220365084U CN202321873519.1U CN202321873519U CN220365084U CN 220365084 U CN220365084 U CN 220365084U CN 202321873519 U CN202321873519 U CN 202321873519U CN 220365084 U CN220365084 U CN 220365084U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 21
- 230000001502 supplementing effect Effects 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000005457 optimization Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
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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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- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to a multistage pressure compensation non-negative pressure secondary water supply device which comprises a pressure stabilizing tank, a pressure tank, a high-pressure air storage tank, a water supply pipe and an air compression pump. The pressure stabilizing tank is connected with the water supply pipe through a first water outlet pipe and a second water outlet pipe and is connected with the high-pressure air storage tank. The pressure tank comprises a water cavity and an air cavity which are separated, the air cavity is connected with the high-pressure air storage tank, the water cavity comprises a water outlet and a water supplementing port, the water outlet is connected with a water supply pipe, and the water supplementing port is connected with the pressure stabilizing tank. When the pressure stabilizing tank has insufficient water pressure, the water supply pipe is pressurized through the water cavity, or the air storage tank is used for conveying air pressure to the air cavity for pressurization, water is continuously extruded into the water supply pipe, short-term use requirements are met, the water pump is prevented from being started, and frequent start and stop and energy consumption are reduced. Only when the pressurizing capacity of the pressure tank is insufficient, the water pump is started again to pressurize. The device realizes energy-saving optimization and stable water supply.
Description
Technical Field
The utility model belongs to the technical field of water supply systems, and particularly relates to a multistage pressure compensation non-negative pressure secondary water supply device.
Background
In the traditional secondary water supply system, the water pump is frequently started and stopped when the water supply requirement changes, so that the problems of increased energy consumption, shortened equipment service life and increased maintenance cost become technical problems for many years. The conventional control mode realizes the start-stop control of the water pump by sensing the water level or the pressure sensor, however, the mode ignores the self characteristics of the equipment and the dynamic characteristics of a water supply network, so that the start-stop is frequent and uneconomical. Therefore, it is necessary to provide a new solution capable of effectively solving the problem of frequent start-stop of the water pump of the secondary water supply device, so as to ensure the operation efficiency and long-term stable operation of the water pump, and simultaneously reduce the occupied space, energy consumption and maintenance cost.
Disclosure of Invention
Aiming at the technical problems that the functions of the secondary water supply system in the market are relatively energy-consuming, the failure rate of the water pump is high due to frequent starting of the water pump, and the like, the utility model provides the multistage pressure compensation non-negative pressure secondary water supply device.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a multistage pressure compensation's no negative pressure secondary water supply equipment, includes surge tank, overhead tank, high-pressure gas storage jar, delivery pipe, air compression pump, the surge tank include intake end and with the water supply end of delivery pipe intercommunication, the surge tank through first outlet pipe and second outlet pipe with the delivery pipe is connected, be equipped with the water pump on the first outlet pipe; the pressure stabilizing tank is connected with the high-pressure air storage tank, the pressure tank comprises a water cavity and an air cavity which are separated, the air cavity is connected with the high-pressure air storage tank, the water cavity comprises a water outlet and a water supplementing port, the water outlet is connected with the water supply pipe, and the water supplementing port is connected with the pressure stabilizing tank.
Further, the first water outlet pipe and the second water outlet pipe are also provided with a stop valve and a check valve.
Further, the high-pressure air storage tank is connected with the pressure stabilizing tank through a first pressurizing pipe, and a stop valve and a regulating valve are arranged on the first pressurizing pipe.
Further, the high-pressure air storage tank is connected with the air cavity through a second pressurizing pipe, and a stop valve and a regulating valve are arranged on the second pressurizing pipe.
Further, the water outlet is connected with the water supply pipe through a third pressurizing pipe, and a check valve is arranged on the third pressurizing pipe.
Further, the water supplementing port is connected with the pressure stabilizing tank through a water supplementing pipe, and a stop valve is arranged on the water supplementing pipe.
Further, a filter is arranged outside the air inlet end of the air compression pump.
Further, the non-negative pressure secondary water supply device further comprises a controller, a first pressure sensor for detecting air pressure in the surge tank and a second pressure sensor for detecting air cavity pressure, wherein a signal input end of the controller is in signal connection with the first pressure sensor and the second pressure sensor, and a signal output end of the controller is in signal connection with the stop valve and the regulating valve.
Further, the non-negative pressure secondary water supply device further comprises a third pressure sensor for detecting the water pressure in the surge tank, the signal input end of the controller is in signal connection with the third pressure sensor, and the signal output end of the controller is in signal connection with the water pump.
Further, the air cavity is also provided with a pressure relief valve.
Compared with the prior art, the utility model has the beneficial effects that:
when the water pressure in the pressure stabilizing tank is detected to be insufficient, the water supply pipeline is pressurized through the water cavity at the moment, so that water in the water cavity is pressurized in the water supply pipe, the high-pressure gas in the high-pressure gas storage tank is used for supplying air pressure to the air cavity for pressurizing, so that the water in the water cavity is continuously pressurized in the water supply pipe, the short-term use requirement of a user is met, the water pump is not required to be started, the air pressure can be supplied to the pressure stabilizing tank, negative pressure is avoided, the water pump is started for pressurizing only when the pressurizing capacity of the pressure stabilizing tank is insufficient to meet the water supply pressure, frequent starting and stopping of the water pump are reduced, and energy consumption is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the scope of the utility model.
FIG. 1 is a schematic view of a secondary water supply apparatus according to the present utility model;
fig. 2 is a schematic connection diagram of the secondary water supply apparatus of the present utility model.
Wherein: 1. a surge tank; 2. a pressure tank; 21. a water chamber; 22. an air cavity; 3. a high pressure gas storage tank; 4. a water supply pipe; 5. an air compression pump; 6. a first water outlet pipe; 7. a second water outlet pipe; 8. a water pump; 9. a stop valve; 10. a check valve; 11. a water supplementing pipe; 12. a first booster pipe; 13. a second booster pipe; 14. a third booster pipe; 15. a first pressure sensor; 16. a second pressure sensor; 17. and (3) regulating the valve.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments, and these descriptions are only for further illustrating the features and advantages of the present utility model, not limiting the claims of the present utility model; all other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
In this embodiment, as shown in fig. 1, 2, the secondary water supply device in this application includes surge tank 1, pressure tank 2, high-pressure air storage tank 3, delivery pipe 4 and air compression pump 5, and surge tank 1, pressure tank 2, high-pressure air storage tank 3, delivery pipe 4 and air compression pump 5 are all installed on the equipment mount pad, wherein: the surge tank 1 is connected with the delivery pipe 4 through the water inlet end, be connected with the delivery pipe 4 through first outlet pipe 6 and second outlet pipe 7, install water pump 8 on the first outlet pipe 6, second outlet pipe 7 is not equipped with water pump 8, and still be equipped with stop valve 9 and check valve 10 on first outlet pipe 6 and second outlet pipe 7, when water supply pressure up to standard, water pump 8 does not move, secondary water supply equipment supplies water for the user through second outlet pipe 7, surge tank 1 can make water supply more steady, the surge tank can be as the buffer, the influence to the system is stopped to the start-up of balanced water pump 8 through releasing or absorbing a certain amount of water, reduce the frequent start-up of water pump 8, improve water pump 8's work efficiency and life-span.
The pressure tank 2 comprises a water cavity 21 and a gas cavity 22, a water outlet and a water supplementing port are arranged in the water cavity 21, the water outlet is connected with the water supply pipe 4, the water supplementing port is connected with the pressure stabilizing tank 1 through the water supplementing pipe 11, the water supplementing pipe 11 is provided with a stop valve 9, and the pressure tank 2 is used for stabilizing the water supply pressure; the pressure stabilizing tank 1 is connected with the high-pressure air storage tank 3, the high-pressure air storage tank 3 is connected with the pressure stabilizing tank 1 through a first pressurizing pipe 12, and a stop valve 9 and a regulating valve 17 are arranged on the first pressurizing pipe 12; the high-pressure air storage tank 3 is connected with the air cavity 22 through a second pressurizing pipe 13, and the second pressurizing pipe 13 is also provided with a stop valve 9 and a regulating valve 17, so that through the air storage function of the air storage tank, the stored pressure support can be provided when the system needs large-flow water supply, the starting times and the energy consumption of the water pump 8 are reduced, and meanwhile, the pressure tank 2 can receive the air pressure provided by the high-pressure air storage tank 3, and the water supply pressure is kept stable; the water outlet is connected with the water supply pipe 4 through a third booster pipe 14, a check valve 10 is arranged on the third booster pipe 14, and the air compression pump 5 is used for inflating the high-pressure air storage tank 3 so as to maintain the high air pressure required by the system.
The non-negative pressure secondary water supply device also comprises a controller, a first pressure sensor 15 for detecting the air pressure in the pressure stabilizing tank 1, and a second pressure sensor 16 for detecting the pressure of the air cavity 22, wherein the signal input end of the controller is in signal connection with the first pressure sensor 15 and the second pressure sensor 16, and the signal output end of the controller is in signal connection with the stop valve 9 and the regulating valve 17; the non-negative pressure secondary water supply device further comprises a third pressure sensor for detecting the water pressure in the pressure stabilizing tank 1, the signal input end of the controller is in signal connection with the third pressure sensor, and the signal output end of the controller is in signal connection with the water pump 8.
Preferably, the air compressor pump 5 is provided with a filter outside the air inlet end, so that air quality is ensured, and water pollution is avoided.
The working principle of the device is as follows: when the water pressure in the surge tank 1 is detected to be insufficient, the water supply pipeline is pressurized through the water cavity at the moment, so that water in the water cavity is pressurized in the water supply pipe, the high-pressure gas in the high-pressure gas storage tank is used for supplying air pressure to the air cavity for pressurizing, so that the water in the water cavity is continuously pressurized in the water supply pipe, the short-term use requirement of a user is met without starting a water pump, the air pressure can be supplied to the surge tank, negative pressure is avoided, and only when the pressurizing capacity of the surge tank is insufficient to meet the water supply pressure, the water pump is started for pressurizing at the moment, so that the frequent start and stop of the water pump are reduced, and the energy consumption is reduced; when the water pressure in the surge tank 1 is detected to be increased, the water level in the surge tank 1 rises to a preset level, meanwhile, the controller opens the water supply pipe 11 to supply water to the water cavity 21 for water supply, meanwhile, a pressure release valve is further arranged on the air cavity 22, and the pressure release valve is synchronously opened for pressure release in the water supply process, so that the water cavity 21 is full, and the water level in the surge tank 1 is restored to a normal level.
The water supply mode is very suitable for a countermeasure when the water supply pressure is insufficient in a short time at night, the second water outlet pipe 7 is preferentially used for supplying water in normal water supply, and when the water supply pressure in a short time is suddenly increased, the third pressurizing pipe 14 is started to pressurize the water supply, which is the primary pressurizing; and when the pressure still does not meet the required pressure, the air cavity 22 can be continuously pressurized through the second pressurizing pipe 13, and the pressure is two-stage pressurizing; the water pump 8 is started to boost pressure until the water supply pressure is still insufficient in the water using process, so that the frequent starting of the water pump 8 when the short-term water supply pressure is insufficient can be greatly reduced, and the energy consumption is reduced.
The preferred embodiments of the present utility model have been described in detail, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model, and the various changes are included in the scope of the present utility model.
Claims (10)
1. The utility model provides a no negative pressure secondary water supply equipment of multistage pressure compensation, its characterized in that includes surge tank (1), overhead tank (2), high-pressure air storage tank (3), delivery pipe (4), air compression pump (5), surge tank (1) include water inlet and with delivery pipe (4) the water supply end of intercommunication, surge tank (1) are connected with delivery pipe (4) through first outlet pipe (6) and second outlet pipe (7), be equipped with water pump (8) on first outlet pipe (6); the pressure stabilizing tank (1) is connected with the high-pressure air storage tank (3), the pressure tank (2) comprises a water cavity (21) and an air cavity (22) which are separated, the air cavity (22) is connected with the high-pressure air storage tank (3), the water cavity (21) comprises a water outlet and a water supplementing port, the water outlet is connected with the water supply pipe (4), and the water supplementing port is connected with the pressure stabilizing tank (1).
2. The non-negative pressure secondary water supply device according to claim 1, wherein the first water outlet pipe (6) and the second water outlet pipe (7) are further provided with a stop valve (9) and a check valve (10).
3. The non-negative pressure secondary water supply device according to claim 1, wherein the high-pressure air storage tank (3) is connected with the pressure stabilizing tank (1) through a first pressurizing pipe (12), and a stop valve (9) and a regulating valve (17) are arranged on the first pressurizing pipe (12).
4. The non-negative pressure secondary water supply device according to claim 1, wherein the high-pressure air storage tank (3) is connected with the air cavity (22) through a second pressurizing pipe (13), and a stop valve (9) and a regulating valve (17) are arranged on the second pressurizing pipe (13).
5. The non-negative pressure secondary water supply device according to claim 1, wherein the water outlet is connected with the water supply pipe (4) through a third pressurizing pipe (14), and a check valve (10) is arranged on the third pressurizing pipe (14).
6. The non-negative pressure secondary water supply device according to claim 1, wherein the water supplementing port is connected with the pressure stabilizing tank (1) through a water supplementing pipe (11), and a stop valve (9) is arranged on the water supplementing pipe (11).
7. The non-negative pressure secondary water supply apparatus according to claim 1, wherein a filter is further provided outside the air inlet end of the air compression pump (5).
8. The non-negative pressure secondary water supply device according to claim 3 or 4, further comprising a controller, a first pressure sensor (15) for detecting the air pressure in the surge tank (1), a second pressure sensor (16) for detecting the air cavity (22) pressure, wherein the signal input end of the controller is in signal connection with the first pressure sensor (15) and the second pressure sensor (16), and the signal output end of the controller is in signal connection with the stop valve (9) and the regulating valve (17).
9. The non-negative pressure secondary water supply apparatus according to claim 8, further comprising a third pressure sensor for detecting the water pressure in the surge tank (1), wherein a signal input terminal of the controller is in signal connection with the third pressure sensor, and a signal output terminal of the controller is in signal connection with the water pump (8).
10. Non-negative pressure secondary water supply device according to claim 1, characterized in that the air chamber (22) is further provided with a pressure relief valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321873519.1U CN220365084U (en) | 2023-07-17 | 2023-07-17 | Multistage pressure compensation negative pressure-free secondary water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321873519.1U CN220365084U (en) | 2023-07-17 | 2023-07-17 | Multistage pressure compensation negative pressure-free secondary water supply equipment |
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| Publication Number | Publication Date |
|---|---|
| CN220365084U true CN220365084U (en) | 2024-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321873519.1U Active CN220365084U (en) | 2023-07-17 | 2023-07-17 | Multistage pressure compensation negative pressure-free secondary water supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220365084U (en) |
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2023
- 2023-07-17 CN CN202321873519.1U patent/CN220365084U/en active Active
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