CN210857368U - Constant-pressure water supply equipment - Google Patents

Constant-pressure water supply equipment Download PDF

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Publication number
CN210857368U
CN210857368U CN201920585007.2U CN201920585007U CN210857368U CN 210857368 U CN210857368 U CN 210857368U CN 201920585007 U CN201920585007 U CN 201920585007U CN 210857368 U CN210857368 U CN 210857368U
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water
pump
water tank
pipeline
tank
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CN201920585007.2U
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李志茂
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Foshan Sino Environmental Protection Technology Co ltd
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Foshan Sino Environmental Protection Technology Co ltd
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Abstract

The utility model discloses a constant pressure water supply device, which comprises a source water tank and a filter group, wherein the source water tank is connected with the filter group through a liquid pipeline, the end of the filter group is connected with a water supply device, the water supply device comprises a control terminal, an intermediate water tank and a pure water tank, the intermediate water tank and the pure water are provided with pure water pipes, and a reverse osmosis device positioned on the pure water pipes is arranged between the intermediate water tank and the pure water tank; still be connected with the auxiliary line between middle water tank and the pure water case, its end connects a change-over plate jointly, by the change-over plate is connected to the water consumption point, the utility model aims to provide a constant voltage water supply equipment utilizes and sets up many operation passageways and rather than complex water pump, and detects the water pressure in the pipeline and carry out the analysis through control terminal to carry out on-off control to the water pump, solved the pressure control inaccuracy, start pressure too big problem in the twinkling of an eye, guarantee water supply equipment's safety and normal operating.

Description

Constant-pressure water supply equipment
Technical Field
The utility model relates to a water purification unit technical field especially relates to a constant pressure water supply equipment.
Background
The frequency conversion constant voltage water supply equipment of current central authorities supply water, fire control water supply or straight drink water etc. all adopts the overhead tank, and the pressure control switch realizes the constant voltage water supply, and in current water supply equipment, the start in the twinkling of an eye that leads to pressure too big because of the overhead tank, and cause the pressure in the pipe-line system too big, lead to the pipeline to break easily, and cause economic loss to influence pipe-line system's normal operating.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a constant pressure water supply equipment utilizes and sets up many operational paths and rather than complex water pump, and detects the water pressure in the pipeline and carry out the analysis through control terminal to carry out on-off control to the water pump, solved the pressure control inaccuracy, start the too big problem of pressure in the twinkling of an eye, guarantee water supply equipment's safety and normal operating.
In order to achieve the above purpose, the technical scheme of the utility model has:
a constant pressure water supply device comprises a source water tank and a filter group, wherein the source water tank is connected with the filter group through a liquid pipeline, the tail end of the filter group is connected with a water supply device, the water supply device comprises a control terminal, an intermediate water tank and a pure water tank, the intermediate water tank and the pure water are provided with pure water pipes, and a reverse osmosis device positioned on the pure water pipes is arranged between the intermediate water tank and the pure water tank;
an auxiliary pipeline is connected between the intermediate water tank and the pure water tank, a main water pipeline and an auxiliary water pipeline are connected to the auxiliary pipeline in a branched mode, the tail ends of the main water pipeline and the auxiliary water pipeline are connected with a conversion plate together, the conversion plate is connected to a water consumption point, one end of the conversion plate is connected with a third pump, a third one-way valve is arranged between the conversion plate and the third pump, the main water pipeline is connected with at least two first pumps in parallel, the auxiliary water pipeline is connected with at least one second pump in parallel, branch pipes extend from the main water pipeline and the auxiliary water pipeline and are communicated with the water consumption point, and a constant pressure tank is further arranged on each branch pipe of the main water pipeline;
the branch pipe of the main water pipeline and the pure water pipe are respectively provided with a first pressure transmitter and a pressure gauge matched with the first pressure transmitter, and the control terminal is electrically connected with the first pump, the second pump, the third pump and the pressure transmitter.
The utility model discloses a frequency conversion constant voltage water supply equipment, including source water tank and filter group, source water tank and filter group pass through the liquid pipeline and are connected, filter group end-to-end connection frequency conversion water supply installation, frequency conversion water supply installation includes control terminal, middle water tank, pure water tank and pure water pipe that pass through the pipeline intercommunication with middle water tank, be equipped with the reverse osmosis unit who is located the pure water pipe between middle water tank and the pure water tank, constitute frequency conversion water supply installation's main water supply route; an auxiliary pipeline is connected between the intermediate water tank and the pure water tank, a main water pipeline and an auxiliary water pipeline are connected to the auxiliary pipeline in a branching mode, the tail ends of the main water pipeline and the auxiliary water pipeline are connected with a conversion plate together, the conversion plate is connected to a water using point, the water pipelines of the main water pipeline and the auxiliary water pipeline are converged and unified by the conversion plate, water using points are supplied by one pipeline, one end of the conversion plate is connected with a third pump, a third one-way valve is arranged between the conversion plate and the third pump, the problem that water flows back through the main water pipeline and the auxiliary water pipeline through the third pump is solved, the main water pipeline is connected with at least two first pumps in parallel, the auxiliary water pipeline is connected with at least one second pump in parallel, branch pipes extend from the main water pipeline and the auxiliary water pipeline, the water using points are arranged on the branch pipes, and a constant-pressure tank is arranged on the branch pipes of the main water pipeline, pumping water by using a first pump and a second pump to solve the problem of water supply of water points; the water supply system is characterized in that a first pressure transmitter and a pressure gauge matched with the first pressure transmitter are arranged on a branch pipe and a pure water pipe of the main water pipeline, the control terminal is electrically connected with the first pump, the second pump, the third pump and the pressure transmitter, the first pressure transmitter is used for collecting the pressure of a user pipe network, the pressure of the pipe network is calculated through the control terminal and the set pressure ratio, the water inflow of the second pump is controlled according to the change of water consumption, or the quantity of the water pumps is increased, namely the operation input of the first pump or the third pump is increased, and the problem of automatic variable-frequency constant-pressure water supply is solved by arranging a constant-pressure tank.
Further, still including wasing the water tank and with the scavenge pipe, it has wash pump and a safety filter to wash the water tank to connect gradually through the scavenge pipe, just wash water tank, safety filter and scavenge pump and pass through the scavenge pipe and parallelly connected with reverse osmosis unit, the scavenge pump is connected with control terminal electricity.
Furthermore, the number of the middle water tanks is two.
Furthermore, the water outlet of the pure water tank is connected with a pure water pump through a pure water pipe, the water inlet of the reverse osmosis device is connected with a fourth pump through a pure water pipe, and the fourth pump and the pure water pump are electrically connected with the control terminal.
Furthermore, the water outlets of the first pump, the second pump, the third pump, the fourth pump, the cleaning pump and the pure water pump are all provided with first one-way valves positioned on the corresponding pipelines.
Furthermore, the filtering group comprises a filtering pipe, and a quartz sand filter, an activated carbon filter, a soft water filter and a second safety filter which are sequentially connected through the filtering pipe.
Furthermore, the soft water filter is connected with a salt tank.
Furthermore, the water outlet of the source water tank is connected with a source water pipe, two source water pumps are connected in parallel through the source water pipe, the source water pumps are electrically connected with the control terminal, and a second pressure transmitter located on the source water pipe is arranged between the source water pumps and the filtering group.
Furthermore, drainage ditches are arranged at the bottoms of the source water tank, the intermediate water tank, the pure water tank and the cleaning water tank.
Drawings
Fig. 1 is a system installation diagram of a water supply apparatus.
Detailed Description
As shown in fig. 1, as a preferred embodiment of the present invention:
a constant pressure water supply device comprises a source water tank 1 and a filter group 2, wherein the source water tank 1 is connected with the filter group 2 through a liquid pipeline, the tail end of the filter group 2 is connected with a water supply device 3, the water supply device 3 comprises a control terminal 31, an intermediate water tank 32 and a pure water tank 33, the intermediate water tank and the pure water are provided with a pure water pipe 331, and a reverse osmosis device 34 positioned on the pure water pipe 331 is arranged between the intermediate water tank 32 and the pure water tank 33;
an auxiliary pipeline 321 is further connected between the intermediate water tank 32 and the pure water tank 33, a main water pipeline 3211 and an auxiliary water pipeline 3212 are branched from the auxiliary pipeline 321, the ends of the main water pipeline 3211 and the auxiliary water pipeline 3212 are commonly connected to a conversion plate 35, the conversion plate 35 is connected to a water consumption point, one end of the conversion plate 35 is connected to a third pump 351, a third one-way valve 3511 is arranged between the conversion plate 35 and the third pump 351, the main water pipeline 3211 is connected in parallel to at least two first pumps 322, the auxiliary water pipeline 3212 is connected in parallel to at least one second pump 322, branch pipes 3213 extend from the main water pipeline 3211 and the auxiliary water pipeline 3212, the branch pipes 3213 are connected to the water consumption point, and a constant pressure tank 324 is further arranged on the branch pipes 3213 of the main water pipeline 3211;
the branch pipe 3213 of the main water pipeline 3211 and the pure water pipe 331 are both provided with a first pressure transmitter 3214 and a pressure gauge 3215 used in cooperation with the first pressure transmitter 3214, and the control terminal 31 is electrically connected to the first pump 322, the second pump 322, the third pump 351 and the pressure transmitter.
The utility model discloses a frequency conversion constant voltage water supply equipment, including source water tank 1 and filter assembly 2, source water tank 1 passes through liquid pipeline with filter assembly 2 and is connected, filter assembly 2 end-to-end connection frequency conversion water supply installation 3, frequency conversion water supply installation 3 includes control terminal 31, middle water tank 32, pure water tank 33 and pure water pipe 331 that communicate through the pipeline with middle water tank 32, be equipped with reverse osmosis unit 34 that is located on pure water pipe 331 between middle water tank 32 and the pure water tank 33, constitute the main water supply route of frequency conversion water supply installation 3; an auxiliary pipeline 321 is connected between the intermediate water tank 32 and the pure water tank 33, a main water pipeline 3211 and an auxiliary water pipeline 3212 are connected to the auxiliary pipeline 321 in a branched manner, the ends of the main water pipeline 3211 and the auxiliary water pipeline 3212 are connected together by a conversion plate 35, the conversion plate 35 is connected to a water consumption point, the water pipelines of the main water pipeline 3211 and the auxiliary water pipeline 3212 are converged and unified by the conversion plate 35, the water is supplied to the water consumption point by one pipeline, a third pump 351 is connected to one end of the conversion plate 35, a third check valve 3511 is arranged between the conversion plate 35 and the third pump 351, the problem that the water flows back through the main water pipeline 3211 and the auxiliary water pipeline 3212 via the third pump 351 is solved, at least two first pumps 322 are connected in parallel to the main water pipeline 1, at least one second pump 322 is connected in parallel to the auxiliary water pipeline 3212, and branch pipes 3213 extend from the main water pipeline 3211 and the auxiliary water pipeline 3212, the branch pipe 3213 is communicated to a water consumption point, the branch pipe 3213 of the main water pipeline 3211 is further provided with a constant pressure tank 324, and the first pump 322 and the second pump 322 are used for pumping water to solve the problem of water supply at the water consumption point; the branch pipe 3213 and the pure water pipe 331 of the main water pipeline 3211 are both provided with a first pressure transmitter 3214 and a pressure gauge 3215 used in cooperation with the first pressure transmitter 3214, the control terminal 31 is electrically connected to the first pump 322, the second pump 322, the third pump 351 and the first pressure transmitter 3214, the pressure of the user pipe network is collected by the first pressure transmitter 3214, the pressure of the pipe network is calculated by the control terminal 31 and the set pressure ratio, the water inlet flow of the second pump 322 is controlled according to the change of the water consumption, or the number of water pumps is increased, that is, the operation input of the first pump 322 or the third pump 351 is increased, and the problem of automatic variable-frequency constant-pressure water supply is solved by the arrangement of the constant-pressure tank 324.
As a preferred embodiment of the present invention:
the second pump 322 is configured as two pumps, and is respectively a power frequency control pump and a variable frequency control pump, the third pump 351 is configured as an auxiliary pump, the working modes of the second pump 322 and the third pump 351 are mutually supplemented, preferably, the maximum working number of the second pump 322 in the utility model is two, namely, the power frequency control pump and the variable frequency control pump are operated simultaneously, at the moment, the peak of the water consumption of the current user is reached, in order to consider the energy-saving requirement of the equipment operation in the previous period, the third pump 351 is preferentially started, the third pump 351 is operated at a smaller flow rate (the current flow rate is smaller than the rated flow rate of the third pump 351), when the flow rate of the third pump 351 is increased to the rated flow rate, the third pump 351 is closed, the variable frequency control pump is opened, when the variable frequency control pump reaches the full load, the third pump 351 is opened, then the third pump 351 is operated at a smaller flow rate, when the flow rate of the third pump 351 is rated flow rate, the third pump 351 is closed, the power frequency control pump is started, when the power frequency control pump reaches full load, the third pump 351 is closed, and the power frequency control pump is started, so that circulation is realized, and the water supply and the water pressure of a user are ensured to be stable; when only one second pump 322 works in the water supply equipment and the water flow is smaller than the rated flow of the second pump 322, the control terminal 31 controls the second pump 322 to be cut off to work, and the third pump 351 is used for supplying water, so that the configuration is flexible, and the requirements of energy conservation, environmental protection and service life of main components of the unit can be met.
In order to treat the concentrated water filtered by the reverse osmosis device 34, the water supply equipment further comprises a cleaning water tank 341 and a cleaning pipe 3411, wherein the cleaning water tank 341 is sequentially connected with a cleaning pump 342 and a first safety filter 343 through the cleaning pipe 3411, the cleaning water tank 341, the safety filter and the cleaning pump 342 are connected with the reverse osmosis device 34 in parallel through the cleaning pipe 3411, the cleaning pump 342 is electrically connected with the control terminal 31, the concentrated water filtered by the reverse osmosis device 34 enters the cleaning water tank 341 through the cleaning pipe 3411, the cleaning water pump is controlled to be started through the control terminal 31 to pump the concentrated water to the first safety filter 343, the first safety filter 343 is used for removing micro pollution particles in the concentrated water, and the concentrated water returns to the reverse osmosis device 34 to be filtered again, so that the waste of water resources is avoided.
Wherein, a fourth pump 345 is arranged between the first safety filter 343 and the reverse osmosis device 34, and one end of the fourth pump 345 is further connected with the intermediate water tank 32 through a pipeline, and the fourth pump 345 pumps the water in the first safety filter 343 and the soft water tank to the reverse osmosis device 34, thereby avoiding the problem that the water cannot reach the reverse osmosis device 34 due to insufficient pressure caused by pressure difference between the first safety filter 343 and the intermediate water tank 32.
In order to meet the application requirements, two intermediate water tanks 32 are arranged, so that pretreated water can be conveniently stored, and in an emergency, the pure water treatment process from the intermediate water tanks 32 to a water consumption point is reduced, and the water quantity is ensured.
Preferably, the intermediate water tank 32 is set according to the application requirements of the user, so as to meet the requirements of the user and the application occasions.
In order to avoid the storage pressure difference of water, the pure water pump 331 is connected to the water outlet of the pure water tank 33 through the pure water pipe 331, the pure water pump 331 pumps water in the pure water tank 33 to a water consumption point, the fourth pump is connected to the water inlet of the reverse osmosis device 34 through the pure water pipe 331, and the fourth pump and the pure water pump 331 are electrically connected to the control terminal 31.
The water outlets of the first pump 322, the second pump 322, the third pump 351, the fourth pump 345, the cleaning pump 342 and the pure water pump 331 are all provided with first one-way valves 36 located on the corresponding pipelines, so that negative pressure backflow is generated in the pipelines of the sudden drop of water flow velocity in the pipelines after the first pump 322, the second pump 322, the third pump 351, the fourth pump 345, the cleaning pump 342 and the pure water pump 331 are shut down, and the problem of water backflow is solved by arranging the first one-way valves 36.
The filtering group 2 comprises a filtering pipe 201, and a quartz sand filter 21, an activated carbon filter 22, a soft water filter 23 and a second safety filter 24 which are sequentially connected through the filtering pipe 201, wherein the quartz sand filter 21 is used for removing impurities or suspended matters and the like in the source water tank 1, the activated carbon filter 22 is used for removing small molecular organic matters and the like of the source water treated by the quartz sand filter 21, the soft water filter 23 is used for removing calcium and magnesium ions and the like in the source water treated by the activated carbon filter 22, and the second safety filter 24 is used for performing auxiliary filtering on the filters and removing tiny pollution particles missed in the filters.
The soft water filter 23 is connected with a salt tank 231 for assisting the soft water filter 23 to provide sodium ions for source water.
Further, the water outlet of the source water tank 1 is connected with a source water pipe 11, and is connected with two source water pumps 12 in parallel through the source water pipe 11, the two source water pumps 12 work simultaneously to increase the water inflow of the source water, and the problem of source water backflow is solved as required, the end of the source water pump 12 is also provided with a second check valve 121, and the source water pump 12 is electrically connected with the control terminal 31 and is controlled by the control terminal 31, a second pressure transmitter 13 located on the source water pipe 11 is arranged between the source water pump 12 and the filter group 2, the second pressure transmitter 13 is used for detecting the pressure of the water in the source water pipe 11 and feeding the pressure back to the control terminal 31, so that a user can know the pressure change of the source water pipe 11 between the source water tank 1 and the filter device, and can adjust the opening amount of the source water pumps 12 according to the pressure of the source water pipe 11.
The bottom parts of the source water tank 1, the intermediate water tank 32, the pure water tank 33 and the cleaning water tank 341 are all provided with drainage ditches for recovering water in the source water tank 1, the intermediate water tank 32, the pure water tank 33 and the cleaning water tank 341, and after the water in the source water tank 1, the intermediate water tank 32, the pure water tank 33 and the cleaning water tank 341 is emptied, the drainage ditches can be used for adjusting the pressure in pipelines among all the devices to enable the devices to recover the normal pressure state.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (9)

1. A constant pressure water supply device comprises a source water tank and a filter group, wherein the source water tank is connected with the filter group through a liquid pipeline, the tail end of the filter group is connected with a water supply device, the water supply device comprises a control terminal, an intermediate water tank and a pure water tank, the intermediate water tank and the pure water are provided with pure water pipes, and a reverse osmosis device positioned on the pure water pipes is arranged between the intermediate water tank and the pure water tank;
an auxiliary pipeline is connected between the intermediate water tank and the pure water tank, a main water pipeline and an auxiliary water pipeline are connected to the auxiliary pipeline in a branched mode, the tail ends of the main water pipeline and the auxiliary water pipeline are connected with a conversion plate together, the conversion plate is connected to a water consumption point, one end of the conversion plate is connected with a third pump, a third one-way valve is arranged between the conversion plate and the third pump, the main water pipeline is connected with at least two first pumps in parallel, the auxiliary water pipeline is connected with at least one second pump in parallel, branch pipes extend from the main water pipeline and the auxiliary water pipeline and are communicated with the water consumption point, and a constant pressure tank is further arranged on each branch pipe of the main water pipeline;
the branch pipe of the main water pipeline and the pure water pipe are respectively provided with a first pressure transmitter and a pressure gauge matched with the first pressure transmitter, and the control terminal is electrically connected with the first pump, the second pump, the third pump and the pressure transmitter.
2. The water supply equipment according to claim 1, further comprising a cleaning water tank and a cleaning pipe, wherein the cleaning water tank is sequentially connected with a cleaning pump and a first security filter through the cleaning pipe, the cleaning water tank, the security filter and the cleaning pump are connected with the reverse osmosis device in parallel through the cleaning pipe, and the cleaning pump is electrically connected with the control terminal.
3. The water supply apparatus according to claim 1, wherein there are two of the intermediate water tanks.
4. The water supply apparatus according to claim 1, wherein the pure water pump is connected to the water outlet of the pure water tank through a pure water pipe, the fourth pump is connected to the water inlet of the reverse osmosis device through a pure water pipe, and the fourth pump and the pure water pump are electrically connected to the control terminal.
5. The water supply equipment according to claim 1 or 4, characterized in that the water outlets of the first pump, the second pump, the third pump, the fourth pump, the cleaning pump and the pure water pump are provided with first one-way valves on the corresponding pipelines.
6. The water supply equipment according to claim 1, wherein the filtering group comprises a filtering pipe, and a quartz sand filter, an activated carbon filter, a soft water filter and a second safety filter which are sequentially connected through the filtering pipe.
7. Water supply installation according to claim 6, wherein a salt tank is connected to the water softening filter.
8. The water supply equipment according to claim 1, wherein a source water pipe is connected to a water outlet of the source water tank, two source water pumps are connected in parallel through the source water pipe, the source water pumps are electrically connected with the control terminal, and a second pressure transmitter positioned on the source water pipe is arranged between the source water pumps and the filtering group.
9. The water supply apparatus as claimed in claim 2, wherein drain grooves are provided at the bottoms of the source water tank, the intermediate water tank, the pure water tank and the washing water tank.
CN201920585007.2U 2019-04-26 2019-04-26 Constant-pressure water supply equipment Active CN210857368U (en)

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Application Number Priority Date Filing Date Title
CN201920585007.2U CN210857368U (en) 2019-04-26 2019-04-26 Constant-pressure water supply equipment

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Application Number Priority Date Filing Date Title
CN201920585007.2U CN210857368U (en) 2019-04-26 2019-04-26 Constant-pressure water supply equipment

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CN210857368U true CN210857368U (en) 2020-06-26

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CN201920585007.2U Active CN210857368U (en) 2019-04-26 2019-04-26 Constant-pressure water supply equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114134961A (en) * 2021-12-29 2022-03-04 佛山尚之水净水科技有限公司 Intelligent secondary water supply system with real-time water quality monitoring and automatic sterilization and disinfection effects

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114134961A (en) * 2021-12-29 2022-03-04 佛山尚之水净水科技有限公司 Intelligent secondary water supply system with real-time water quality monitoring and automatic sterilization and disinfection effects

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