CN219449409U - Non-negative pressure high-speed railway section hand washing water recovery device capable of improving water quality - Google Patents

Non-negative pressure high-speed railway section hand washing water recovery device capable of improving water quality Download PDF

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Publication number
CN219449409U
CN219449409U CN202320127737.4U CN202320127737U CN219449409U CN 219449409 U CN219449409 U CN 219449409U CN 202320127737 U CN202320127737 U CN 202320127737U CN 219449409 U CN219449409 U CN 219449409U
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China
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water
pipeline
negative pressure
communicated
water outlet
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CN202320127737.4U
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张瑛洁
程喜全
王凯
茹旭
薛正
辛思远
王子健
丁浩
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China National Railway Corp ltd
Harbin Institute of Technology Weihai
China Railway Economic and Planning Research Institute
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China National Railway Corp ltd
Harbin Institute of Technology Weihai
China Railway Economic and Planning Research Institute
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Abstract

The utility model discloses a non-negative pressure high-speed railway section hand washing water recovery device capable of improving water quality, and relates to the field of drinking water treatment. The equipment adopts on-line operation and automatic control, utilizes the pressure of tap water, and has low energy consumption. The device solves the problems that water consumption is difficult and water quality is easy to pollute in the high-speed railway section, and is suitable for water supply in the high-speed railway section.

Description

Non-negative pressure high-speed railway section hand washing water recovery device capable of improving water quality
Technical Field
The utility model belongs to the field of drinking water treatment, and particularly relates to a non-negative pressure high-speed railway section hand washing water recovery device capable of improving water quality.
Background
Along with continuous running of high-speed railways in China, a large number of passengers and railway service personnel cause the increasing demand of direct drinking water. In the epidemic situation normalization era, people attach an increasing importance to trip safety, and the definition of trip safety is not only the safety of vehicles, but also the drinking water problem is one of the main safety problems of people. The safety and simplicity of direct drinking water have become an indispensable ring in the development process of high-speed railways. In this process, direct drinking water systems are subject to contamination, difficulty in water consumption, and high cost are major problems. The water consumption efficiency and the direct drinking water safety are improved by reasonably configuring the direct drinking water system, controlling the running cost, and the water consumption safety is a great problem to be solved by national iron groups.
During maintenance of the railway section and in the platform, the lack of pipeline pressure is caused by the safety of the railway section, so that the inconvenience of water taking of maintenance staff and passengers is caused. The high-speed railway section non-negative pressure water supply equipment is a secondary pressurized water supply equipment which is directly connected with a water supply network and is used for series pressure-superposed water supply on the basis of the residual pressure so as to ensure that the pressure of the network is not less than the set protection pressure. Can realize safe, reliable, stable and water supply and can reduce the running cost.
The organic ultrafiltration membrane filtration system is a common filtration system in a direct drinking water system, however, the ultrafiltration membrane is easy to damage in the cleaning process, the membrane pollution problem is serious, the service life of the membrane is limited, the running cost is high, and micro-plastic exudation can be caused, so that secondary pollution is formed.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims to provide the non-negative pressure high-speed rail section hand washing water recovery device capable of improving water quality, the service life of a membrane is prolonged by adopting a ceramic membrane filtration system to replace an organic ultrafiltration system, a non-negative pressure water supply system is adopted, microcomputer variable frequency soft start constant pressure control is adopted, water pressure is stable, and colloid, microorganism and other pollution can be effectively removed in the ceramic membrane filtration process. The equipment adopts on-line operation and automatic control, utilizes the pressure of tap water, and has low energy consumption. The device solves the problems that water consumption is difficult and water quality is easy to pollute in the high-speed railway section, and is suitable for water supply in the high-speed railway section.
The utility model relates to a non-negative pressure high-speed rail section hand washing water recovery device capable of improving water quality, which comprises an intelligent supercharging device and a membrane assembly, wherein the intelligent supercharging device comprises a steady flow tank; the membrane component comprises a plurality of ceramic membrane units;
a water inlet is formed above the steady flow tank and is provided with a negative pressure relieving device, and the water inlet is communicated with raw water through a pipeline; the bottom of the steady flow tank is provided with a water outlet and a liquid level detector;
the water outlet is communicated with the water collecting pipe through a first pipeline, a second pipeline and a third pipeline respectively; the first pipeline, the second pipeline and the third pipeline are respectively provided with a connecting valve, and the first pipeline and the second pipeline are respectively provided with a first variable speed pump and a second variable speed pump; the water collecting pipe is communicated with the water inlet of the membrane component; the water outlet of the membrane component is communicated with the water outlet pipe.
Further, the water outlet pipe is provided with an electric valve, a manual valve and a pressure sensor, and is respectively connected with the control device.
Further, the liquid level detector, the first variable speed pump and the second variable speed pump are respectively connected with the control device.
Further, a ceramic membrane water inlet of the ceramic membrane unit is communicated with the water collecting pipe, and a first valve is arranged on a pipeline communicated with the water collecting pipe; the ceramic membrane water outlet is communicated with the water outlet pipe, and a second valve is arranged on a pipeline communicated with the water outlet pipe.
Furthermore, the front pipeline and the rear pipeline of the first variable speed pump and the second variable speed pump are respectively provided with a connecting valve.
Further, the water outlet of the water outlet pipe is discharged through the water outlet.
Compared with the prior art, the utility model has the advantages that:
(1) The scheme adopts the non-negative pressure system to supply water, has high automation degree, can realize constant pressure variable, and has stable system operation, safety, reliability and low failure rate.
(2) The ceramic membrane component is adopted to replace an organic membrane component, so that the service life of the membrane is prolonged;
(3) The coupling process of the non-negative pressure system and the membrane filtration system is adopted, so that two functions of water supply and water quality purification are realized, and the method is simple and efficient and has low cost;
the equipment effectively integrates different modules such as a non-negative pressure system, a membrane filtration system and the like, different functions are controlled by the control device, and a microcomputer is adopted to control a plurality of pumps to operate, so that constant-pressure operation is realized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
the reference numerals in the figures illustrate:
1, a steady flow tank; 2, a water inlet; 3, a negative pressure remover; 4, a high-density ceramic membrane unit; 5, a water outlet pipe; 6, a first valve; 7, an electric valve; 8, a manual valve; 9, a pressure sensor; 10 control means; 11 a second valve; 12 ceramic membrane group; a water collecting pipe 13; a first variable speed pump 14; 15 a second variable speed pump; 16 ceramic membrane water outlet; a ceramic membrane water inlet 17; 18 valve; 19 water outlets; a 20 level detector; 21 an intelligent supercharging device; 22 membrane modules.
Detailed Description
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of 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.
For the purposes of clarity, technical solutions and advantages of embodiments of the present utility model, the following detailed description will clearly illustrate the spirit of the present disclosure, and any person skilled in the art, after having knowledge of the embodiments of the present disclosure, may make alterations and modifications to the technology taught by the present disclosure without departing from the spirit and scope of the present disclosure.
Referring to fig. 1, a non-negative pressure high-speed rail section hand wash water recycling device capable of improving water quality comprises an intelligent supercharging device 21 and a membrane component 22. The intelligent supercharging device comprises a steady flow tank 1, a water inlet 2 and a water outlet 12 are formed, a tap water pipe and a water pump outlet pipe are connected, and variable-speed water pumps 14 and 15 are connected with a control device 10 to realize a constant-pressure water supply function. The water collecting pipe collects and distributes three paths of water to the ceramic membrane units 4 to realize the functions of filtering colloid and microorganism. The manual valve 8, the electric valve 7 and the pressure sensor 9 are arranged in front of the water outlet and are connected with the control device 10, so that the automatic operation and stop of the device are realized.
Referring to fig. 1, a steady flow tank 1 is provided with a liquid level detector 20 for detecting the pressure of a water pipe network at any time, when the pressure is lower than the pressure required by a user, a control device 10 automatically controls a frequency converter to start, adjusts the rotation speed of a water pump to increase to the pressure required by the user, and controls the water pump to operate at a certain speed, and when the pressure of tap water is not lower than the pressure required by the user, the water pump stops operating.
Referring to fig. 1, the intelligent booster 21 has a first pump 14 and a second pump 15, when the water consumption is greater than the water output of the first pump, the control device controls the first pump 14 to switch to the power frequency operation, the second pump 15 starts to perform variable frequency speed regulation operation, and when the water consumption is less than the water output of the second pump, the operation of the first pump or the second pump can be automatically stopped. In the whole operation process, the constant pressure of the system is always kept unchanged, so that the water pump always works in the high-efficiency area.
Referring to fig. 1, the ceramic membrane units 4 are multiple and mutually connected in parallel, the whole function is not affected when the single membrane unit is stopped, the ceramic membrane unit can be independently disassembled, replaced and maintained, and the ceramic membrane unit is fixedly sealed by a sealing ring, so that the device is easy to disassemble.
The above description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the present utility model is not limited to the above-described embodiments.

Claims (6)

1. The system comprises an intelligent supercharging device (21) and a membrane assembly (22), and is characterized in that the intelligent supercharging device (21) comprises a steady flow tank (1); the membrane assembly (22) comprises a plurality of ceramic membrane units (4);
a water inlet (2) is formed above the steady flow tank (1), and a negative pressure relieving device (3) is arranged, wherein the water inlet (2) is communicated with raw water through a pipeline; the bottom of the steady flow tank (1) is provided with a water outlet (12) and a liquid level detector (20);
the water outlet (12) is communicated with the water collecting pipe (13) through a first pipeline, a second pipeline and a third pipeline respectively; the first pipeline, the second pipeline and the third pipeline are respectively provided with a connecting valve (18), and the first pipeline and the second pipeline are respectively provided with a first variable speed pump (14) and a second variable speed pump (15); the water collecting pipe (13) is communicated with a water inlet of the membrane component (22); the water outlet of the membrane component (22) is communicated with the water outlet pipe (5).
2. The non-negative pressure high-speed rail section hand wash water recovery device capable of improving water quality according to claim 1 is characterized in that an electric valve (7), a manual valve (8) and a pressure sensor (9) are arranged on the water outlet pipe (5) and are respectively connected with the control device (10).
3. The non-negative pressure high-speed rail section hand wash water recovery device capable of improving water quality according to claim 1, wherein the liquid level detector (20), the first variable speed pump (14) and the second variable speed pump (15) are respectively connected with the control device (10).
4. The non-negative pressure high-speed rail section hand wash water recycling device capable of improving water quality according to claim 1, wherein a ceramic membrane water inlet (17) of the ceramic membrane unit (4) is communicated with a water collecting pipe (13), and a first valve (6) is arranged on a pipeline communicated with the water collecting pipe (13); the ceramic membrane water outlet (16) is communicated with the water outlet pipe (5), and a second valve (11) is arranged on a pipeline communicated with the water outlet pipe (5).
5. The non-negative pressure high-speed rail section hand wash water recovery device capable of improving water quality according to claim 1 is characterized in that connecting valves (18) are arranged on front and rear pipelines of the first speed change pump (14) and the second speed change pump (15).
6. The non-negative pressure high-speed rail section hand wash water recovery device capable of improving water quality according to claim 1, wherein the water discharged from the water outlet pipe (5) is discharged through the water outlet (19).
CN202320127737.4U 2023-01-11 2023-01-11 Non-negative pressure high-speed railway section hand washing water recovery device capable of improving water quality Active CN219449409U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320127737.4U CN219449409U (en) 2023-01-11 2023-01-11 Non-negative pressure high-speed railway section hand washing water recovery device capable of improving water quality

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320127737.4U CN219449409U (en) 2023-01-11 2023-01-11 Non-negative pressure high-speed railway section hand washing water recovery device capable of improving water quality

Publications (1)

Publication Number Publication Date
CN219449409U true CN219449409U (en) 2023-08-01

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ID=87385698

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320127737.4U Active CN219449409U (en) 2023-01-11 2023-01-11 Non-negative pressure high-speed railway section hand washing water recovery device capable of improving water quality

Country Status (1)

Country Link
CN (1) CN219449409U (en)

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