Steam type pipeline anti-freezing central water purification equipment
By adding steam pipes and a control system to the direct drinking water equipment, the water temperature is maintained by circulating steam and water for heat exchange, which solves the problem of freezing expansion of existing equipment under extremely cold conditions and achieves a low-cost and safe antifreeze effect.
Patent Information
- Application Number
- CN202520212637.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-11
AI Technical Summary
Existing direct drinking water equipment has high costs and safety hazards in extreme cold conditions due to antifreeze measures, and electric heaters are prone to fire, making it impossible to effectively prevent the water supply network from freezing and expanding.
A steam pipe is added to the direct drinking water equipment. The water temperature is monitored by a temperature sensor and the opening of the steam solenoid valve is controlled by a PLC controller. The water temperature is maintained at no less than 5°C by circulating saturated steam and cold water to avoid freezing expansion.
It effectively prevents water supply network freezing and expansion, reduces equipment costs and safety hazards, ensures stable water supply, and reduces equipment complexity and maintenance costs.
Smart Images
Figure CN223737885U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a direct drinking water equipment technical field especially, relates to a steam type pipeline anti -freezing central water purification equipment. BACKGROUND
[0002] In recent years, with global warming, climate change and atmospheric circulation anomaly lead to more and more extreme weather events, in the extreme weather event, the winter minimum temperature record is broken in many places, and the extremely low temperature causes large-scale frost heaving damage of water supply pipe network. The pipeline frost heaving not only causes damage to the pipeline system, increases the maintenance and replacement cost, but also causes water supply interruption, affects the user's direct drinking water supply of pipeline, and brings inconvenience to the user's life.
[0003] The pipeline anti -freezing design mainly utilizes two principles: heat preservation and heating. Heat preservation refers to the method that a certain thickness of heat preservation material is coated outside the water supply pipeline facilities to delay the freezing time and prevent pipeline frost damage. Heating is to heat the water in the pipeline through the pipe wall or directly to prevent the pipeline from freezing.
[0004] At present, the direct drinking water management unit has the method of installing an electric heater in the water purification tank. When the water temperature is too low, the electric heating device receives the signal to start and improve the water supply temperature to solve the problem of pipe network frost heaving. However, the increase of electric heater in the water purification tank needs to be connected with the circuit, and needs to install independent temperature sensor, liquid level sensor and the like. For the equipment only used in winter cold weather, the cost is too high, and the equipment is complex. If the electric heater is dry burning due to out of control, even a fire is caused. SUMMARY
[0005] The utility model is to overcome the deficiency in prior art, propose a steam type pipeline anti -freezing central water purification equipment, add a steam pipeline on the basis of the original direct drinking water equipment, to prevent the risk of pipeline frost heaving.
[0006] To achieve the above purpose, the utility model technology adopts the technical scheme:
[0007] A steam type pipeline anti -freezing central water purification equipment, characterized by: the central water purification equipment includes equipment main part, and the water inlet, water inlet solenoid valve, raw water tank, water inlet pump, pretreatment system, booster pump, membrane filtration system, ultraviolet sterilization device, water purification tank and water supply system that are sequentially communicated are arranged in the equipment main part, and it further includes steam pipeline, temperature sensor and PLC controller.
[0008] Further, the water inlet is communicated with the raw water tank through the water inlet solenoid valve.
[0009] Further, the raw water tank is communicated with the pretreatment system through the water inlet pump.
[0010] The pre-treatment system body is provided with a quartz sand filter, an activated carbon filter and a precision filter in sequence.
[0011] Further, the pre-treatment system is communicated with the membrane filtration system through a booster pump.
[0012] The membrane filtration system is a combined unit of reverse osmosis membranes or nanofiltration membranes in series or parallel, the pure water outlet is communicated with the ultraviolet sterilization device, and the concentrated water outlet is directly communicated with a sewer.
[0013] Further, the steam pipeline is provided with a steam inlet, a drain valve, a pressure reducing valve, a pressure gauge, a steam solenoid valve, a check valve and a steam nozzle in sequence.
[0014] Further, the drain valve can fully discharge the condensed water in the steam pipeline.
[0015] Further, the steam solenoid valve intelligently controls the opening degree of the steam solenoid valve according to the water temperature information received by the PLC controller, and the opening degree of the steam solenoid valve is larger when the water temperature is lower.
[0016] Further, the steam nozzle is located at the bottom of the pure water tank, and the saturated steam is sprayed into the pure water tank from the side of the steam nozzle and the small hole, and continuously circulates and exchanges heat with the cold water.
[0017] Further, the temperature sensor is located at the end of the steam pipeline and monitors the water temperature information in the pure water tank in real time.
[0018] The water inlet solenoid valve, the water inlet pump, the booster pump, the drain valve, the pressure reducing valve, the pressure gauge, the steam solenoid valve and the temperature sensor are electrically connected with the PLC controller.
[0019] The utility model discloses beneficial effect:
[0020] The utility model discloses technical scheme, is on the basis of the original water purification equipment and adds a steam pipeline, and the steam pipeline is provided with a steam inlet, a drain valve, a pressure reducing valve, a pressure gauge, a steam solenoid valve, a check valve and a steam nozzle in sequence, and further includes a temperature sensor and a PLC controller. When the water temperature in the pure water tank is lower than 5 DEG C, the PLC controller intelligently controls the opening degree of the steam solenoid valve according to the received water temperature information, the saturated steam is sprayed into the pure water tank from the side of the steam nozzle and the small hole, and continuously circulates and exchanges heat with the cold water, so that the water temperature in the water tank is not lower than 5 DEG C, and the water pipe network is prevented from frost heaving. The utility model adds the steam pipeline, effectively prevents the water pipe from frost heaving under cold conditions, and reduces unnecessary loss. DRAWINGS
[0021] Figure 1 It is a structural schematic diagram of the utility model.
[0022] Wherein: 1. water inlet; 2. water inlet electromagnetic valve; 3. raw water tank; 4. water inlet pump; 5. pretreatment system; 6. booster pump; 7. membrane filtration system; 8. ultraviolet sterilization device; 9. clean water tank; 10. water supply system; 11. steam inlet; 12. steam pipeline; 13. drain valve; 14. pressure reducing valve; 15. pressure gauge; 16. steam electromagnetic valve; 17. check valve; 18. temperature sensor; 19. steam nozzle; 20. PLC controller. DETAILED DESCRIPTION
[0023] The embodiments of the present application will be further described with reference to the drawings. These drawings are simplified schematic diagrams, and only schematically show the basic structure of the present application, and thus only show the components related to the present application. EMBODIMENT
[0024] Referring to Figure 1 The embodiment provides a steam type pipeline anti-freezing central water purification equipment, which comprises an equipment main body, a water inlet, a raw water tank, a water inlet pump, a pretreatment system, a booster pump, a membrane filtration system, an ultraviolet sterilization device, a clean water tank and a water supply system are sequentially connected in the equipment main body, and the equipment further comprises a steam pipeline, a drain valve, a pressure reducing valve, a pressure gauge, a steam electromagnetic valve, a check valve, a temperature sensor, a steam nozzle and a PLC controller.
[0025] 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 5 through a water inlet pump 4; a quartz sand filter, an activated carbon filter and a precision filter are sequentially arranged in the pretreatment system 5, and the precision filter is a PP cotton filter; the pretreatment system 5 is communicated with the membrane filtration system 7 through a booster pump 6; the membrane filtration system 7 is a combined unit of reverse osmosis membranes or nanofiltration membranes in series or parallel connection, a clean water outlet is communicated with the ultraviolet sterilization device 8, and a concentrated water outlet is directly communicated with a sewer; a steam inlet 11, a steam trap 13, a pressure reducing valve 14, a pressure gauge 15, a steam electromagnetic valve 16 and a steam nozzle 19 are sequentially arranged on the steam pipeline 12; the steam trap 13 can fully discharge condensed water in the steam pipeline; the steam electromagnetic valve 16 intelligently controls the opening degree of the steam electromagnetic valve 16 according to the water temperature information received by the PLC controller 20, and the opening degree of the steam electromagnetic valve 16 is larger when the water temperature is lower; the steam nozzle 19 is located at the bottom of the clean water tank 9, and saturated steam is sprayed into the clean water tank 9 from the side of the steam nozzle 19 and is continuously circulated and heated with cold water; the temperature sensor 18 is located at the end of the steam pipeline 12 and monitors the water temperature information in the clean water tank 9 in real time; the water inlet electromagnetic valve 2, the water inlet pump 4, the booster pump 6, the steam trap 13, the pressure reducing valve 14, the pressure gauge 15, the steam electromagnetic valve 16 and the temperature sensor 18 are electrically connected with the PLC controller 20.
[0026] Specific explanation is:
[0027] When the pipeline anti-freezing central water purification equipment of the steam type works, the municipal tap water is sent into the pretreatment system 5 through the water inlet electromagnetic valve 2 and the raw water pump 4 from the water inlet 1 to be preliminarily filtered, and the iron 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 5 enters the membrane filtration system 7 through the booster pump 6, and the bacteria, viruses, heavy metals and organic matters and other harmful substances in the water are filtered out, the concentrated water after filtration is directly discharged through the concentrated water valve, and the clean water enters the clean water tank 9 through the ultraviolet sterilization device 8.
[0028] The temperature sensor 18 transmits the water temperature information in the water tank 9 to the PLC controller 20 in real time, when the water temperature in the water tank 9 is lower than 5℃, the PLC controller 20 intelligently controls the opening of the steam electromagnetic valve 16, the saturated steam is sprayed into the water tank 9 from the steam nozzle 19 side through the drain valve 13, the pressure reducing valve 14, the pressure gauge 15, the steam electromagnetic valve 16 and the check valve 17, and is continuously circulated and heat exchanged with the cold water, so that the water temperature in the water tank is not lower than 5℃; when the water temperature in the water tank 9 reaches a certain set value, the PLC controller 20 closes the steam electromagnetic valve 16. In addition, the pressure gauge 15 monitors the pressure condition in the steam pipeline 12 in real time, and transmits to the PLC controller 20 in time when an abnormality occurs, so that the dangerous situation is avoided.
[0029] In addition to the above-mentioned embodiments, the utility model can have other implementation manners, and the technical schemes formed by equivalent replacement or equivalent transformation all fall within the protection scope required by the utility model.
Claims
1. A steam-type pipeline antifreeze central water purification system, characterized in that: The central water purification device comprises a device main body, a water inlet, a water inlet electromagnetic valve, a raw water tank, a water inlet pump, a pretreatment system, a booster pump, a membrane filtration system, an ultraviolet sterilization device, a purified water tank and a water supply system which are sequentially connected in the device main body, and further comprises a steam pipeline, a temperature sensor and a PLC controller; The steam pipeline is provided with a steam inlet, a drain valve, a pressure reducing valve, a pressure gauge, a steam electromagnetic valve and a one-way valve which are sequentially connected in the steam pipeline; The drain valve can fully discharge the condensed water in the steam pipeline; The steam electromagnetic valve intelligently controls the opening degree of the steam electromagnetic valve according to the water temperature information received by the PLC controller, and the opening degree of the steam electromagnetic valve is larger when the water temperature is lower; The steam nozzle is located at the bottom of the purified water tank, and the saturated steam is sprayed into the purified water tank from the inclined small hole at the side of the steam nozzle to continuously circulate and exchange heat with the cold water; The temperature sensor is located at the end of the steam pipeline and monitors the water temperature information in the purified water tank in real time.
2. A steam-type pipe anti-freezing central water purifying apparatus according to claim 1, wherein The water inlet electromagnetic valve, the water inlet pump, the booster pump, the drain valve, the pressure reducing valve, the pressure gauge, the steam electromagnetic valve and the temperature sensor are electrically connected with the PLC controller.