Central water purification equipment with double water tanks for heating
By using a dual-tank heating system, the water temperature is monitored and controlled in real time, alternating between the main and backup tanks. This solves the problem of low water supply temperature in cold conditions for central water purification equipment, ensuring stable water supply and meeting users' water needs.
Patent Information
- Application Number
- CN202423122013.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing central water purification equipment cannot heat the water in the purification tank to the set temperature under cold conditions, resulting in low water supply temperature and easy freezing, which can cause pipes to freeze and crack, increase maintenance costs, and lead to water supply interruption, thus failing to meet users' water needs.
The system employs a dual-tank combination device, with both tanks equipped with heating devices and temperature sensors. A PLC controller monitors the water temperature in real time and controls the heating. The main and backup tanks are used alternately to ensure that the water temperature is above 0℃ and stops heating when it is below 5℃, thus achieving efficient heating and water supply.
Effectively prevents pipes from freezing and cracking, ensures stable water supply temperature, meets users' water needs, avoids water supply interruptions, and reduces maintenance and replacement costs.
Smart Images
Figure CN223576303U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water purification equipment technical field especially relates to a central water purification equipment of double water tank heating. BACKGROUND
[0002] In recent years, with global warming, climate change and abnormal atmospheric circulation, more and more extreme weather events occur, in the extreme weather event, the winter minimum temperature record is broken in many places, and the extremely low temperature causes large-scale frost damage of water supply pipe network. The central water purification equipment is used more and more as a kind of water supply mode of pipeline quality direct drinking water in community, hospital, hotel and other public building scenes, and the pipeline adopts independent circulating pipe network, and the pipe network is mainly arranged in the form of external hanging in the design and laying process, especially in the existing old community and school. For the small pipe diameter pipe of direct drinking water pipe network, in the cold winter, even if the external thermal insulation layer is added, due to the small flow and low speed in the pipe, the water temperature will also quickly drop below the freezing point. Therefore, the direct drinking water management unit usually uses the method of water tank heating to improve the water supply temperature, so as to solve the problem of pipe network frost.
[0003] The existing central water purification equipment is provided with a pipe network circulating system, that is, the water in the water purification tank is supplied to the user pipe network, and then flows back to the water purification tank. Since the central water purification equipment water supply pipe network is usually external hanging pipe, under cold conditions, the water in the water purification tank has not been heated to the set temperature, and the water supply returns through the pipe network circulating system, so that the water temperature in the water purification tank is difficult to rise even if heated, and the water supply temperature is low, which is prone to freezing, and even causes pipe freeze cracking, increases the maintenance and replacement cost, and causes water supply interruption, brings inconvenience to the user, and causes great economic loss to the management unit. SUMMARY
[0004] The utility model discloses in order to overcome the existing water purification equipment technology's insufficient, proposes a kind of central water purification equipment of double water tank heating, the original single water purification tank module is changed into double water tank combination device, to prevent the risk of pipe freeze cracking, and satisfy user water demand.
[0005] To realize the above-mentioned purpose, the technical scheme that the utility model technology adopts is as follows: a kind of central water purification equipment of double water tank heating, characterized by: the central water purification equipment includes equipment main body, water inlet, raw water tank, pretreatment system, membrane filtration system, pH adjustment system, double water tank combination device, water supply system, post-treatment system are sequentially communicated in the equipment main body, and it further includes PLC controller.
[0006] The water inlet is communicated with the raw water tank by water inlet solenoid valve.
[0007] The raw water tank is communicated with the pretreatment system by first booster pump.
[0008] The pre-treatment system body is sequentially provided with a quartz sand filter, an activated carbon filter and a precision filter, and the precision filter is a PP cotton filter.
[0009] The pre-treatment system is communicated with the membrane filtration system through a second booster pump.
[0010] The membrane filtration system is a combined system of reverse osmosis membrane filter elements, the clean water outlet is communicated with the pH adjusting system, and the concentrated water outlet is directly connected with a sewer.
[0011] The pH adjusting system body is sequentially provided with a pH adjuster, a PP cotton filtering device and an ultraviolet sterilization device.
[0012] The double-tank combination device comprises a first clean water tank and a second clean water tank, heating devices are arranged at the bottoms of the two tanks, temperature sensors are arranged at the upper portions of the two tanks, the water inlet of the double-tank combination device is divided into two paths and is communicated with the first clean water tank and the second clean water tank, respectively, a first electromagnetic valve is arranged on the water outlet pipeline of the first clean water tank and is communicated with a water supply system, a second electromagnetic valve is arranged on the water outlet pipeline of the second clean water tank and is communicated with the water supply system.
[0013] The water supply system body is provided with a water supply pipe network and a water supply pump set, and the water of the water supply pipe network is returned to the double-tank combination device through a post-treatment system.
[0014] The post-treatment system body is sequentially provided with a post-activated carbon filter, a PP cotton filter and an ozone sterilization device.
[0015] The heating devices, the temperature sensors, the first electromagnetic valve and the second electromagnetic valve are electrically connected with the PLC controller.
[0016] The technical scheme of the utility model has the following beneficial effects:
[0017] The original single clean water tank module is changed into the double-tank combination device, mainly comprising a first clean water tank and a second clean water tank, heating devices are arranged at the bottoms of the two tanks, temperature sensors are arranged at the upper portions of the two tanks, the temperature sensors transmit the water temperature information of the two tanks to the PLC controller in real time, when the water temperature of the two tanks is lower than 0 DEG C, the PLC controller controls the heating devices to heat the tanks, respectively, and the heating is stopped when the water temperature is higher than 5 DEG C. When the first clean water tank is used as the main tank to supply water to users, the second clean water tank is used as the standby tank, the tank heating is carried out, and the heating is stopped when the water temperature is higher than 5 DEG C. When the water temperature in the first clean water tank is lower than 0 DEG C, the first electromagnetic valve is closed, the second electromagnetic valve is opened, the second clean water tank supplies water, the main tank and the standby tank are interchanged, and the circulation is carried out. Through the alternate use of the two tanks, the risk of pipe cracking is prevented, the problem of insufficient water supply is solved, and the water demand of users is met. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of this utility model.
[0019] The components include: 1. Water inlet; 2. Inlet solenoid valve; 3. Raw water tank; 4. First booster pump; 5. First check valve; 6. Pretreatment system; 7. Second booster pump; 8. Membrane filtration system; 9. pH adjustment system; 10. Second check valve; 11. First temperature sensor; 12. Second temperature sensor; 13. First heating device; 14. Second heating device; 15. First solenoid valve; 16. Second solenoid valve; 17. First purified water tank; 18. Second purified water tank; 19. Water supply system; 20. Post-treatment system; 21. PLC controller; 22. I. Dual-tank combination device. Detailed Implementation
[0020] The embodiments of this utility model will now be further described with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of this utility model in a schematic manner, and therefore only show the components relevant to this utility model. Example
[0021] Reference Figure 1 A central water purification device with dual water tank heating is characterized in that: the central water purification device includes a main body, and within the main body are arranged sequentially connected water inlet 1, raw water tank 3, pretreatment system 6, membrane filtration system 8, pH adjustment system 9, dual water tank combination device I, water supply system 19, and post-treatment system 20, and also includes a PLC controller 21.
[0022] The water inlet 1 is communicated with the raw water tank 3 through a water inlet electromagnetic valve 2; the raw water tank 3 is communicated with the pretreatment system 6 through a first booster pump 4; the pretreatment system 6 is communicated with the membrane filtration system 8 through a second booster pump 7; the membrane filtration system 8 is a combined system of reverse osmosis membrane filter elements, a clean water outlet is communicated with the pH adjusting system 9, and a concentrated water outlet is directly connected with a sewer; the double-tank combined device I includes a first clean water tank 17 and a second clean water tank 18; the first clean water tank 17 is provided with a temperature sensor one 11 at the bottom and a heating device one 13 at the upper portion; the second clean water tank 18 is provided with a temperature sensor two 12 at the bottom and a heating device two 14 at the upper portion; the water inlets of the double-tank combined device I are divided into two paths and are communicated with the first clean water tank 17 and the second clean water tank 18 respectively, a first electromagnetic valve 15 is arranged on the water outlet pipeline of the first clean water tank 17 and is communicated with a water supply system 19, and a second electromagnetic valve 16 is arranged on the water outlet pipeline of the second clean water tank 18 and is communicated with the water supply system 19; the water supply system 19 is provided with a water supply pipe network and a water supply pump group in the main body, and the water in the water supply pipe network is returned to the double-tank combined device I through a post-treatment system 20; the water inlet electromagnetic valve 1, the raw water tank 3, the first booster pump 4, the second booster pump 7, the temperature sensor one 11, the temperature sensor two 12, the heating device one 13, the heating device two 14, the first electromagnetic valve 15 and the second electromagnetic valve 16 are electrically connected with the PLC controller, and more detailed explanation and description are as follows:
[0023] When the central water purification equipment with double-tank heating provided by the utility model works, the water inlet electromagnetic valve 2 is opened, the municipal tap water enters the raw water tank 3 from the water inlet 1, the water in the raw water tank 3 enters the pretreatment system 6 through the first booster pump 4 and the first check valve 5 to be preliminarily filtered, the rust, suspended matters and other large-particle impurities in the water are filtered out, and the residual chlorine, peculiar smell and most of the organic pollutants in the water are removed. The water filtered through the pretreatment system 6 enters the membrane filtration system 8 through the second booster pump 7, the bacteria, viruses, heavy metals and organic matters and other harmful substances in the water are filtered out, the filtered concentrated water is directly discharged into the sewer or used for other purposes, and the clean water enters the pH adjusting system 9 to adjust the pH of the clean water and improve the taste of the clean water purified by the equipment.
[0024] The pH-adjusted clean water enters the first clean water tank 17 and the second clean water tank 18 through the second one-way valve 10, the temperature sensor one 11 and the temperature sensor two 12 transmit the water temperature information of the first clean water tank 17 and the second clean water tank 18 to the PLC controller 21 in real time, when the water temperature of the first clean water tank 17 and the second clean water tank 18 is lower than 0℃, the PLC controller 21 controls the heating device one 13 to heat the first clean water tank 17, controls the heating device two 14 to heat the second clean water tank 18, when the water temperature of the first clean water tank 17 and the second clean water tank 18 is higher than 5℃, the heating is stopped. When the first clean water tank 17 is used as the main water tank to supply water for the user, the second clean water tank 18 is used as the standby water tank, the water tank heating is carried out, the heating is stopped when the water temperature is higher than 5℃. When the water temperature in the first clean water tank 17 is lower than 0℃, the first electromagnetic valve 15 is closed, the second electromagnetic valve 16 is opened, the second clean water tank 18 supplies water, the main and standby water tanks are interchanged, the circulation is carried out, so that the clean water tank can normally work under the cold condition, the problem of insufficient water supply is solved, and the water demand of the user is met.
[0025] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or the equivalent replacement of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A dual tank heated central water purification apparatus, characterized by: The central water purification device comprises a device main body, a water inlet, a raw water tank, a pretreatment system, a membrane filtration system, a pH adjusting system, a double water tank combination device, a water supply system, and a post-treatment system are sequentially communicated in the device main body, and a PLC controller is further included; The water inlet is communicated with the raw water tank through a water inlet electromagnetic valve; The raw water tank is communicated with the pretreatment system through a first booster pump; The pretreatment system is communicated with the membrane filtration system through a second booster pump; The membrane filtration system is a combination system of reverse osmosis membrane filter cores, a purified water outlet is communicated with the pH adjusting system, and a concentrated water outlet is directly connected with a sewer. A water supply pipe network and a water supply pump group are arranged in the water supply system main body, and water in the water supply pipe network is returned to the double water tank combination device through the post-treatment system.
2. A central water purification apparatus heated by two water tanks according to claim 1, characterized in that, The double water tank combination device comprises a first purified water tank and a second purified water tank, heating devices are arranged at the bottoms of the two water tanks, temperature sensors are arranged at the upper portions of the two water tanks, a water inlet of the double water tank combination device is divided into two paths and is respectively communicated with the first purified water tank and the second purified water tank, a first electromagnetic valve is arranged on a water outlet pipeline of the first purified water tank and is communicated with the water supply system, a second electromagnetic valve is arranged on a water outlet pipeline of the second purified water tank and is communicated with the water supply system.
3. A dual tank heated central water purification apparatus as claimed in claim 2, wherein, The heating devices, the temperature sensors, the first electromagnetic valve, and the second electromagnetic valve are electrically connected with the PLC controller.