CN206156940U - Realize campus formula purifier of intelligent monitoring - Google Patents

Abstract

The utility model relates to a campus type water purifier realizing intelligent monitoring, the water purifier comprises a pre-filter element (3), a first booster pump (4A) and a second booster pump (4B) connected in sequence , a membrane module (5), a rear filter element (8), a heating device and a faucet, and a pressure storage bucket (9) is arranged between the membrane module (5) and the rear filter element (8), wherein the pre-filter element (3) and Raw water TDS probe (13) is provided between the second booster pump 4B, and water purification TDS probe (39) is provided downstream of membrane module (5). The water purifier of the present utility model can provide safe, healthy The high-throughput drinking water can also obtain the usage status of the pre-filter element (3) and the membrane module (5) in real time, so as to realize on-demand maintenance.

Description

A campus-style water purifier that realizes intelligent monitoring

【Technical field】

The utility model relates to a water purifier, in particular to a campus water purifier that realizes intelligent monitoring.

【Background technique】

Due to the increasing pollution of the water environment and the disadvantages of traditional drinking water methods, many primary and secondary schools have hidden dangers of unsafe drinking water. Primary and middle school students are in the developmental period, and have high requirements for drinking water and hygiene conditions. At the same time, primary and middle school students spend a lot of time in school every day. The problem of safe drinking water will not only affect the students' mood in class, but also affect their physical health. . Most schools still use bottled water, electric water heaters, coal-fired boilers or students bring their own drinking water. Even students in some schools have been drinking tap water and deep well water. The water quality and sanitation cannot be objective.

It is difficult to guarantee the water quality of traditional boilers to boil water and buy bottled water, and there are still many unsafe factors and hygiene risks. Compared with traditional water supply methods, direct drinking water equipment has many advantages in terms of safety, water quality stability, ease of use, and efficient management. In terms of safety, direct drinking water equipment uses membrane separation technology to safely and efficiently remove bacteria and viruses, retain beneficial trace elements and minerals, and make the effluent water quality meet the national drinking water hygiene standards. Even if a drinking water source pollution accident occurs, the risks and hazards can be greatly reduced; in terms of water quality stability, the water production process is mature, which can ensure long-term stability of water quality; Provide water supply services at different temperatures to meet the physical needs of students.

On the other hand, for such water purifiers installed in densely populated areas, due to the different loads of the water purifiers placed in different locations, the set maintenance interval should be adjusted according to the current condition of the equipment, and the existing technology cannot accomplish.

【Content of utility model】

The purpose of this utility model is to provide a large-flow campus direct drinking water device capable of realizing intelligent monitoring, and to provide equipment conditions for the school to implement direct drinking water projects. This direct drinking water equipment adopts nanofiltration membrane technology with ultra-low pressure, large flux, and moderate desalination. Municipal tap water or purified water is used as raw water. Driven by pressure, it realizes deep purification of raw water. The quality of the effluent water meets the requirements of "Quality Standards for Purified Drinking Water" (CJ94-2005) and "Hygienic Standards for Drinking Water" (GB 5749-2006), and can be directly drunk.

In order to achieve the above purpose, the utility model provides a campus-type water purifier that realizes intelligent monitoring. Membrane module 5, post-filter element 8, heating device, faucet, and pressure storage tank 9 are arranged between membrane module 5 and post-filter element 8, wherein a raw water TDS is set between pre-filter element 3 and second booster pump 4B The probe 13 is provided with a water purification TDS probe 39 downstream of the membrane module 5; the water purifier is provided with a master controller connected with electrical components of the water purifier respectively.

In this utility model, the electrical components of the water purifier refer to the electrical components in the water purifier, which are controlled by the general controller, such as booster pumps, TDS probes, etc.

In the present invention, for the convenience of description, the front end and the rear end of the components are defined as upstream and downstream according to the direction of water flow.

In the present invention, the pre-filter element 3 includes a PP cotton filter element, a UDF filter element and a CTO filter element arranged in series in sequence.

The general controller can be connected with GPRS network module and/or WiFi module. The general controller transmits the collected data of each sensor of the water purifier to the background data server through GPRS and/or WiFi. Users can read the data of the water purifier or realize remote control of the water purifier through the PC client or the mobile APP application program.

According to a preferred embodiment, the membrane module 5 includes four membrane filter elements, the first membrane filter element and the second membrane filter element are arranged in series to form the first group of membrane filter elements, the water outlet of the first booster pump 4A is connected to the first membrane filter element The water inlet of the filter element is connected, and the concentrated water inlet of the first membrane filter element is connected with the water inlet of the second membrane filter element;

The third membrane filter element and the fourth membrane filter element are arranged in series to form the second group of membrane filter elements, the water outlet of the second booster pump 4B is connected with the water inlet of the third membrane filter element, and the concentrated water port of the third membrane filter element is connected with the fourth membrane filter element. water inlet connection;

The second set of membrane filter elements is arranged in parallel with the first set of membrane filter elements;

The produced water of the four membrane filter elements enters the pressure water storage channel 9 after being merged through the pipeline, and the pressure water storage tank 9 is connected with the water inlet end of the rear filter element 8;

The concentrated water port of the second membrane filter element and the concentrated water port of the fourth membrane filter element are merged through the pipeline, and part of it is discharged through the flushing combination valve 10, and the other part is sent to the first booster pump 4A and the second booster pump 4A through the branch through the regulating valve 12 Inlet side of pump 4B.

Particularly preferably, the heating device includes a jacketed heat exchanger 32 and a heat bladder 31. The heat exchanger 32 has a connected normal temperature water inlet 40, a normal temperature water outlet 41 after heat exchange, and a connected hot water inlet. 42 and the hot water outlet 43 after the heat exchange, the hot water outlet 31 has a water inlet 33, a hot water outlet 37, a steam exhaust valve 36 and a hot water outlet 35, and the normal temperature water outlet 41 of the heat exchanger 32 is connected to the hot water outlet. The hot water inlet 33 of the bladder 31 is connected to each other, wherein the heating device also includes a four-way regulating valve 34, the hot water outlet 37 and the hot water outlet 43 respectively pass through the port of the four-way regulating valve 34 and the hot water inlet. 42 is connected, and the fourth port of the four-way regulating valve 34 is connected with the warm water tap 38.

For campuses or crowded public places, in order to properly increase the water supply speed, there are 2-8 warm water taps 38 connected in parallel.

Preferably, a high pressure switch 7 is provided between the membrane assembly 5 and the post filter element 8 .

Preferably, the post filter element 8 is a UDF filter element, which helps to further improve the taste of the water outlet.

Preferably, a low pressure switch 1 , a pressure gauge 11 and a water inlet solenoid valve 2 are provided in sequence upstream of the pre-filter element 3 .

Preferably, the water inlet 33 of the thermal bladder 31 is provided with a pressure relief second one-way valve 45 . The effect of the second non-return valve 45 is under normal circumstances, the second non-return valve 45 prevents the inflow water that enters the thermal bladder 31 from flowing backwards, but when the internal pressure of the thermal bladder exceeds a threshold value (for example, usually 0.7MPa), the second non-return valve Relieve the pressure to the valve 45, and a small part of the water in the hot bladder 31 is discharged into the concentrated water pipeline through the second one-way valve 45.

Preferably, the drain port 35 of the thermal bladder is provided with a manual drain valve, and the upper part is provided with a steam exhaust valve 36 .

Preferably, in terms of safety devices, the thermal bladder 31 has a first temperature controller 46-1, a second temperature controller 46-2, and a third temperature controller 46-3. When the temperature in the hot pot is less than 80°C, the first thermostat 46-1 is closed; when the temperature in the hot pot is greater than 90°C, the third thermostat 46-3 is disconnected; the second thermostat 46- 2. It mainly plays the role of preventing heat from dry burning.

Preferably, the upstream of the pre-filter 3 is provided with a raw water self-priming pump 4, which is suitable for areas without municipal water pipelines (for example, the raw water is well water, and the incoming water has no pressure).

Preferably, a pressure reducing valve 15 is provided upstream of the pre-filter element 3, which is suitable for areas with excessive water inlet pressure and protects the downstream pre-filter element.

When in use, the tap water passes through the low-pressure switch 1, the raw water pressure gauge 11 and the water inlet solenoid valve 2, and then passes through the pre-filter module composed of PP cotton, UDF (granular activated carbon) filter element and CTO (compressed activated carbon rod) filter element in turn, after pretreatment The water enters the first group and the second group of nanofiltration membrane filter elements through the first booster pump 4A and the second booster pump 4B at the same time, and the water produced by the four nanofiltration membrane filter elements in the two groups is combined and then enters through the high pressure switch 7 To the pressure water storage barrel 9, the pressure water storage barrel 9 is connected with the rear filter element 8. Wherein, a first one-way valve 6 is provided on the water production pipeline to ensure that the water production will not flow back. Concentrated water produced by the first nanofiltration membrane filter is input as raw water for the second nanofiltration membrane filter, and concentrated water produced by the third nanofiltration membrane filter is input as raw water for the fourth nanofiltration membrane filter. The concentrated water of the second and fourth membrane filter elements is divided into two paths, one is discharged through the combined flushing valve 10 (the combined flushing valve acts as the waste water ratio), and the other is returned to the first booster pump 4A and the second booster pump 4A through the regulating valve. The upstream of the second booster pump 4B is mixed with the product water from the CTO filter element, and then enters the membrane module through the first booster pump 4A and the second booster pump 4B to improve the system recovery rate.

The combination flushing valve 10 also has another important function of regularly flushing the nanofiltration membrane. The high flow rate water will wash away the pollutants intercepted on the surface of the nanofiltration membrane, slowing down the pollution of the nanofiltration membrane and prolonging the life of the nanofiltration membrane. For example, through the preset intermittent flushing program, when the pressure of the pressure water storage tank 9 is less than 0.15MPa, the combined flushing valve 10 is opened to automatically flush for 18s, and the water used for flushing is discharged directly.

The clean water obtained through the filter module of the water purifier enters the heat exchanger 32 through the heat exchange water inlet electromagnetic valve 44 . The sleeve-type heat exchanger 32 has two internal and external passages. The clean water (normal temperature water) enters the external passage through the normal temperature water inlet 40, and is discharged from the normal temperature water outlet 41 of the heat exchanger through the pressure relief second unit. The valve 45 directly enters into the heating bladder 31 for heating. The heated hot water enters the inner channel of the heat exchanger from the hot water inlet 42 through the four-way regulating valve 34. In the inner channel, the hot water exchanges energy with the normal temperature water in the outer channel, and the water temperature drops until it reaches the inner channel from the inner channel. The hot water outlet 43 of the passage is discharged, and then mixed with the hot water coming out from the hot bladder 31, and the mixed water enters the warm water pipeline through the four-way regulating valve and then flows out from the warm water faucet 38.

The four-way control valve 34 has four channels, which can be used to manually adjust the channel flow. By adjusting the hot water and the warm water flow from the hot water outlet 43, the warm water faucet 38 can obtain warm water with different water temperatures.

The campus water purifier of the utility model can provide safe and healthy drinking water for primary and middle school students. The usage status of the pre-filter 3 and the membrane module 5 can be obtained in real time through the TDS probe arranged downstream of the pre-filter 3 and the membrane module 5, so as to realize on-demand maintenance. The water purifier of the utility model fundamentally solves the problem of the limited interception of harmful substances by the ultrafiltration membrane and the excessive interception of beneficial substances by the reverse osmosis membrane, and the obtained purified water is safer, healthier and more suitable for human consumption.

【Description of drawings】

Fig. 1 is the structural representation of school water purifier;

Among them, 1. Low pressure switch; 2. Water inlet solenoid valve; 3. Pre-filter element; 4. Self-priming pump; 4A, first booster pump; 4B, second booster pump; 5. Membrane module; 6. Second booster pump 1. One-way valve; 7. High pressure switch; 8. Rear filter element; 9. Pressure storage tank; 10. Flushing combination valve; 11. Pressure gauge; 12. Regulating valve; 13. Raw water TDS probe; 14. Heat exchange water inlet Valve; 15. pressure reducing valve; 16. manual flushing valve; 17. flowmeter; 18. water meter; 31. heat tank; 32. heat exchanger; 33. heat tank water inlet; 36. Steam exhaust valve; 37. Hot water outlet; 38. Warm water faucet; 39. Clean water TDS probe; 40. Normal temperature water inlet; 41. Normal temperature water outlet; 42. Hot water Water inlet; 43. Hot water outlet; 44. Heat exchange water inlet solenoid valve; 45. Second one-way valve; 46-1. First thermostat; 46-2. Second thermostat; 46- 3. The third thermostat.

【detailed description】

The following examples are used to explain the technical solutions of the present utility model without limitation.

Example 1

The campus direct drinking water equipment shown in Figure 1 includes raw water self-priming pump 4, low pressure switch 1, pressure gauge 11, pressure reducing valve 15, water inlet solenoid valve 2, water meter 18, pre-filter element 3, which are connected in sequence The first booster pump 4A and the second booster pump 4B, membrane module 5, flow meter 17, high pressure switch 7, raw water TDS probe 13, purified water TDS probe 39, pressure water storage tank 9, post filter element 8, heat Exchange water inlet valve 14, heat exchange water inlet electromagnetic valve 44, heating device and faucet.

The pre-filter element 3 is composed of a PP cotton filter element, a UDF filter element and a CTO filter element arranged in sequence.

The membrane assembly 5 includes four membrane filter elements, the first membrane filter element and the second membrane filter element are arranged in series to form the first group of membrane filter elements, the water outlet of the first booster pump 4A is connected to the water inlet of the first membrane filter element, and the first membrane filter element The concentrated water outlet of the second membrane filter element is connected to the water inlet of the second membrane filter element; the third membrane filter element and the fourth membrane filter element are arranged in series to form the second set of membrane filter elements, the second set of membrane filter elements are arranged in parallel with the first set of membrane filter elements, and the second booster pump The water outlet of 4B is connected to the water inlet of the third membrane filter element, and the concentrated water port of the third membrane filter element is connected to the water inlet of the fourth membrane filter element; the produced water of the four membrane filter elements enters the pressure water storage tank 9 after converging through pipelines, and the pressure The water storage tank 9 is connected to the water inlet end of the rear filter element 8; the concentrated water port of the second membrane filter element and the concentrated water port of the fourth membrane filter element are merged through the pipeline, and part of the concentrated water is discharged through the flushing combination valve 10, and the other part is regulated through the branch. The valve 12 delivers to the water inlets of the first booster pump 4A and the second booster pump 4B.

The pressure water storage tank 9 is arranged between the membrane assembly 5 and the rear filter element 8 .

The heating device includes a sleeve-and-pipe heat exchanger 32 and a heating bladder 31 . The heat exchanger 32 has a connected normal temperature water inlet 40 and a normal temperature water outlet 41 as well as a connected hot water inlet 42 and a hot water outlet 43, and the heat bladder 31 has a water inlet 33, a hot water outlet 37, a steam Exhaust valve 36 and thermal bladder outlet 35, the normal temperature water outlet 41 of heat exchanger 32 and the thermal bladder water inlet 33 of thermal bladder 31.

The four-way regulating valve 34 is connected to the heat exchanger 32 and the heat bladder 31, and the four ports of the four-way regulating valve 34 are connected to the hot water outlet 38, the hot water outlet 43, the hot water inlet 42 and the hot water respectively. Water outlet 37.

The water inlet 33 of hot courage 31 is provided with the second check valve 45 of relief type, and hot courage outlet 35 is provided with manual drain valve, and the top is provided with steam exhaust valve 36. In terms of safety devices, the thermal bladder 31 has a first temperature controller 46-1, a second temperature controller 46-2 and a third temperature controller 46-3. When the temperature in the hot pot is less than 80°C, the first thermostat 46-1 is closed; when the temperature in the hot pot is greater than 90°C, the third thermostat 46-3 is disconnected; the second thermostat 46- 2. It mainly plays the role of preventing heat from dry burning.

A heat exchange water inlet solenoid valve 44 is provided upstream of the normal temperature water inlet 40 of the heat exchanger 32 .

The general controller is connected with each electrical device in the water purifier, and the general controller can be connected with the GPRS network module and/or the WiFi module. The general controller transmits the collected data of each sensor of the water purifier to the background data server through GPRS and/or WiFi. Users can read the data of the water purifier or realize remote control of the water purifier through the PC client or the mobile APP application program.

When the water purifier is running, the tap water passes through the low-pressure switch 1, the raw water pressure gauge 11 and the water inlet solenoid valve 2, and passes through the pre-filter 3, and the pretreated water enters through the first booster pump 4A and the second booster pump 4B at the same time. To the first group and the second group of nanofiltration membrane filter elements, their produced water enters the pressure water storage tank 9 through the high pressure switch 7, and the pressure water storage tank 9 is connected with the rear filter element 8.

The concentrated water of the second membrane filter element and the fourth membrane filter element is divided into two paths, which are discharged through the flushing combination valve 10 and returned to the upstream of the first booster pump 4A and the second booster pump 4B and the produced water of the CTO filter element through the regulating valve Mixed, enter the membrane module 5 again through the first booster pump 4A and the second booster pump 4B.

The clean water obtained through the filter module of the water purifier enters the heat exchanger 32 through the heat exchange water inlet electromagnetic valve 44 . Clean water (normal temperature water) enters the outer passage through the normal temperature water inlet port 40 of the heat exchanger, is discharged from the normal temperature water outlet port 41 of the heat exchanger, and directly enters the heat tank 31 through the pressure relief second check valve 45 heating. The heated hot water enters the inner channel of the heat exchanger from the heat exchange hot water inlet 42 through the four-way regulating valve 34. In the inner channel, the hot water exchanges energy with the normal temperature water in the outer channel, and the water temperature drops until Discharge from the hot water outlet 43 of the inner passage, then mix with the hot water coming out from the hot water tank 31, and the mixed water enters the warm water pipeline through the four-way regulating valve and then flows out from the warm water tap 38.

The TDS probes are set respectively downstream of the pre-filter 3 and the membrane module 5 to obtain real-time usage status of the pre-filter 3 and the membrane module 5, and feed back to the general controller, thereby allowing users to obtain relevant information remotely.

The campus-type water purifier of the utility model can provide safe and healthy large-flux drinking water for the campus environment, especially for primary and middle school students.

Claims (9)

1. A campus-type water purifier realizing intelligent monitoring, said water purifier comprising a pre-filter (3), a first booster pump (4A), a second booster pump (4B), a membrane Assembly (5), rear filter element (8), heating device and faucet, pressure water storage tank (9) is arranged between membrane module (5) and rear filter element (8), it is characterized in that pre-filter element (3) and A raw water TDS probe (13) is provided between the second booster pump (4B), and a water purification TDS probe (39) is provided downstream of the membrane module (5); The main controller for the connection of electrical components. 2. The water purifier according to claim 1, characterized in that the pre-filter element (3) comprises a PP cotton filter element, a UDF filter element and a CTO filter element arranged in series in sequence. 3. The water purifier according to claim 1, characterized in that said general controller is connected with a GPRS network module and/or a WiFi module. 4. The water purifier according to claim 1, characterized in that said membrane assembly (5) comprises four membrane filter cores, the first membrane filter core and the second membrane filter core are arranged in series to form the first group of membrane filter cores, the first increasing The water outlet of the pressure pump (4A) is connected to the water inlet of the first membrane filter element, and the concentrated water outlet of the first membrane filter element is connected to the water inlet of the second membrane filter element; The third membrane filter core and the fourth membrane filter core are arranged in series to form the second group of membrane filter cores, the second group of membrane filter cores are arranged in parallel with the first group of membrane filter cores, and the water outlet of the second booster pump (4B) is connected to the inlet of the third membrane filter core. The water port is connected, and the concentrated water port of the third membrane filter element is connected with the water inlet of the fourth membrane filter element; The produced water of the four membrane filter elements enters the pressure water storage tank (9) after being merged through the pipeline, and the pressure water storage tank (9) is connected with the water inlet end of the rear filter element (8); The concentrated water port of the second membrane filter element and the concentrated water port of the fourth membrane filter element are merged through the pipeline, and part of it is discharged through the flushing combination valve (10), and the other part is sent to the first booster pump (4A) through the branch through the regulating valve (12). ) and the water inlet of the second booster pump (4B). 5. The water purifier according to claim 1, characterized in that said heating device comprises a casing heat exchanger (32) and a heat bladder (31), and the heat exchanger (32) has a connected normal temperature water inlet end (40) and the normal temperature water outlet (41) after the heat exchange and the connected hot water inlet (42) and the hot water outlet (43) after the heat exchange, the hot water bladder (31) has a water inlet (33 ), hot water outlet (37), steam exhaust valve (36) and hot gallbladder outlet (35), the normal temperature water outlet (41) of heat exchanger (32) and the hot gallbladder inlet of hot gallbladder (31) The water outlet (33) is connected, and it is characterized in that the heating device also includes a four-way regulating valve (34), and the hot water outlet (37) and the hot water outlet (43) are respectively connected to the four-way regulating valve (34) through the port of the four-way regulating valve (34). The hot water inlet (42) is connected, and the fourth port of the four-way regulating valve (34) is connected with the warm water tap (38). 6. The water purifier according to claim 2, characterized in that there are 2-8 warm water faucets (38) connected in parallel. 7. The water purifier according to claim 1, characterized in that a high-voltage switch (7) is provided between the membrane module (5) and the rear filter element (8). 8. The water purifier according to claim 1, characterized in that the rear filter element (8) is a UDF filter element. 9. The water purifier according to claim 1, characterized in that a low pressure switch (1), a pressure gauge (11) and a water inlet solenoid valve (2) are sequentially provided upstream of the pre-filter module.