CN221255615U - Tail water recycling device for water purifier - Google Patents

Abstract

The utility model relates to a tail water recycling device for a water purifier, which comprises a tail water collecting box and a secondary purifier; the tail water collecting box is positioned below a tail water discharge port of the water purifier; the tail water collecting box is communicated with a tail water discharge port of the water purifier through a tail water collecting pipe; the bottom of the tail water collecting box is provided with a tail water using pipe communicated with the inside of the tail water collecting box; one end, far away from the tail water collecting box, of the tail water using pipe is communicated with the secondary purifier; the tail water using pipe is respectively provided with a second electromagnetic valve and a water pump; the secondary purifier is provided with a water outlet pipe communicated with the interior of the secondary purifier; the water outlet pipe is communicated with a tap water inlet pipe; the water outlet pipe is provided with a flow meter; the tap water inlet pipe is provided with a third electromagnetic valve; the bottom in the tail water collecting box is provided with a first liquid level sensor. The utility model has the advantages of recycling tail water, convenient use and the like.

Description

Tail water recycling device for water purifier

Technical Field

The utility model relates to the technical field of water purifiers, in particular to a tail water recycling device for a water purifier.

Background

The water purifier is widely applied to residential communities, offices, hotels, restaurants and the like to provide direct drinking water and cooking water for people.

However, in the process of purifying water, since the filtration technology adopted by the water purifier is limited, it is difficult to effectively remove micro-pollutants in the water, so that the water purifier generates a large amount of wastewater. At present, the clean waste ratio of the water purifier in China is more than 2:1 to 3:1, namely, 1 cup of tail water is generated every time 2 to 3 cups of purified water are generated. The water which can be utilized by the sewage is often directly discharged into a sewer, so that huge water resource waste is caused, and certain pollution is also caused to the environment.

Disclosure of utility model

Therefore, the utility model provides a device for recycling tail water of a water purifier, which mainly solves the technical problem of water resource waste caused by directly discharging tail water of the water purifier into a sewer in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

The tail water recycling device for the water purifier comprises a tail water collecting box and a secondary purifier; the tail water collecting box is positioned below a tail water discharge port of the water purifier; the tail water collecting box is communicated with a tail water discharge port of the water purifier through a tail water collecting pipe; the bottom of the tail water collecting box is provided with a tail water using pipe communicated with the inside of the tail water collecting box; one end, far away from the tail water collecting box, of the tail water using pipe is communicated with the secondary purifier; the tail water using pipe is respectively provided with a second electromagnetic valve and a water pump; the secondary purifier is provided with a water outlet pipe communicated with the interior of the secondary purifier; the water outlet pipe is communicated with a tap water inlet pipe; the water outlet pipe is provided with a flow meter; the tap water inlet pipe is provided with a third electromagnetic valve; the bottom in the tail water collecting box is provided with a first liquid level sensor.

Preferably, a second liquid level sensor is arranged at the upper part in the tail water collecting box; the tail water collecting pipe is communicated with a tail water discharge pipe; the tail water discharge pipe is provided with a first electromagnetic valve.

Preferably, the tail water collecting pipe between the tail water collecting tank and the tail water discharging pipe is provided with a first check valve.

Preferably, the tail water using pipe is provided with a second one-way valve.

Preferably, the control unit is further included; the control unit is respectively and electrically connected with the first liquid level sensor, the second liquid level sensor, the flowmeter, the water pump, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve; the control unit acquires data acquired by the first liquid level sensor, the second liquid level sensor and the flowmeter, and controls the water pump, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve to be opened and closed.

The utility model has at least the following beneficial effects:

The tail water collecting box is communicated with a tail water discharge port of the water purifier through a tail water collecting pipe, the tail water is recovered, a tail water using pipe is arranged on the tail water collecting box, a secondary purifier is communicated with the tail water using pipe, a second electromagnetic valve and a water pump are respectively arranged on the tail water using pipe, a water outlet pipe is arranged on the secondary purifier, a tap water inlet pipe is communicated with the water outlet pipe, a flowmeter is arranged on the water outlet pipe, a third electromagnetic valve is arranged on the tap water inlet pipe, and a first liquid level sensor is arranged at the bottom in the tail water collecting box. Thus, the tail water flows into the tail water collecting box through the tail water collecting pipe to be recovered, the flowmeter collects water information, when the water information of the flow value exists, the second electromagnetic valve or the third electromagnetic valve is opened according to the tail water liquid level data collected by the first liquid level sensor so as to use tail water or external tap water, namely when the first liquid level sensor has liquid level data, the tail water can be used in the tail water collecting box, the second electromagnetic valve is opened, the third electromagnetic valve is closed, the water pump is started, the tail water secondarily purified by the secondary purifier is pumped out for recycling, when the first liquid level sensor does not have liquid level data, no tail water can be used in the tail water collecting box, the second electromagnetic valve is closed, the third electromagnetic valve is opened, the external tap water is connected into the tail water for use, the tail water is not influenced by users, and the tail water recycling device is convenient and flexible.

Therefore, the tail water recycling device for the water purifier has the advantages of recycling tail water, being convenient to use and the like.

Drawings

In order to more clearly illustrate the prior art and the present utility model, the drawings used in the description of the prior art and the embodiments of the present utility model will be briefly described. It will be apparent to those skilled in the art that the drawings in the following description are merely exemplary and that other drawings may be derived from the drawings provided without the inventive effort to those skilled in the art.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, for example, modifications, variations in proportions, or otherwise, used in the practice of the utility model, which are particularly adapted to specific environments without departing from the spirit and scope of the utility model.

FIG. 1 is a schematic diagram of the structure of a tail water recycling device for a water purifier;

FIG. 2 is a block diagram showing the construction of a control unit for a tail water recycling apparatus of a water purifier according to the present utility model;

Reference numerals illustrate:

1. Tail water collecting box; 2. a tail water collecting pipe; 3. a tail water discharge pipe; 4. a first one-way valve; 5. a first electromagnetic valve; 6. tail water using pipe; 7. a second electromagnetic valve; 8. a second one-way valve; 9. a water pump; 10. a secondary purifier; 11. a water outlet pipe; 12. a tap water inlet pipe; 13. a flow meter; 14. a third electromagnetic valve; 15. a first liquid level sensor; 16. and a second liquid level sensor.

Detailed Description

The application will be further described in detail by means of specific embodiments with reference to the accompanying drawings.

In the description of the present application: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this disclosure are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on the degree of importance or order, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).

The terms such as "upper", "lower", "left", "right", "middle", etc. are generally used herein for convenience of visual understanding with reference to the drawings and are not to be construed as absolute limitations on the positional relationship of the actual product. Such changes in the relative positional relationship without departing from the technical idea of the present application are also considered as the scope of the present application.

The utility model relates to a tail water recycling device for a water purifier, which is provided with a tail water collecting tank 1 as shown in figure 1, is used for collecting tail water generated when water is purified by the water purifier, is also provided with a secondary purifier 10, is used for secondarily purifying the tail water and removing out-of-standard elements of the tail water, the tail water collecting tank 1 is positioned below a tail water discharge port of the water purifier, the tail water collecting tank 1 is communicated with the tail water discharge port of the water purifier through a tail water collecting pipe 2, so that tail water conveniently flows into the tail water collecting tank 1, the bottom of the tail water collecting tank 1 is provided with a tail water using pipe 6 communicated with the tail water inside, when the tail water is recycled, one end of the tail water using pipe 6, which is far away from the tail water collecting tank 1, is communicated with the secondary purifier 10, before tail water is used, the tail water is secondarily purified, a second electromagnetic valve 7 and a water pump 9 are respectively arranged on a tail water using pipe 6, a water outlet pipe 11 communicated with the tail water using pipe 10 is arranged on a secondary purifier 10, the purified tail water can be connected to a kitchen through the water outlet pipe 11 and used for washing dishes and tableware, can also be connected to a living water area and used for cleaning and sanitation, irrigating plants, can also be connected to a toilet and used for washing and flushing the toilet and the like, the tail water recycling is realized, a tap water inlet pipe 12 is communicated with the water outlet pipe 11, external tap water can be connected, a flowmeter 13 is arranged on the water outlet pipe 11, a third electromagnetic valve 14 is arranged on the tap water inlet pipe 12, and a first liquid level sensor 15 is arranged in the bottom of the tail water collecting box 1. Thus, when the tail water is not enough to be used, the first liquid level sensor 15 gives out the tail water shortage information, the second electromagnetic valve 7 is closed, the third electromagnetic valve 14 is opened, external tap water is introduced, and the use by a user is facilitated; meanwhile, the water pump 9 is started according to the flowmeter 13, and the tail water in the tail water collecting box 1 is pumped out for use.

Preferably, in order to prevent the tail water in the tail water collecting tank 1 from being fully overflowed, a second liquid level sensor 16 is arranged at the upper part in the tail water collecting tank 1, a tail water discharging pipe 3 is communicated with the tail water collecting pipe 2, the tail water discharging pipe 3 is communicated with a sewer for discharging tail water, a first electromagnetic valve 5 is arranged on the tail water discharging pipe 3, the second liquid level sensor 16 collects tail water liquid level information, and when the tail water is fully filled, the first electromagnetic valve 5 is opened to discharge the tail water into the sewer so as to avoid overflow of the tail water.

Preferably, in order to prevent the tail water from being discharged to the sewer in the tail water discharge pipe 3, the tail water collecting pipe 2 between the tail water collecting tank 1 and the tail water discharge pipe 3 is provided with a first check valve 4; meanwhile, in order to prevent tap water from flowing backward into the tail water collecting box 1, a second one-way valve 8 is arranged on the tail water using pipe 6.

Preferably, in practical application, the control unit further comprises a control unit, as shown in fig. 2, wherein the control unit can select a PLC industrial controller, and is electrically connected with the first liquid level sensor 15, the second liquid level sensor 16, the flowmeter 13, the water pump 9, the first electromagnetic valve 5, the second electromagnetic valve 7 and the third electromagnetic valve 14 respectively, acquires data acquired by the first liquid level sensor 15, the second liquid level sensor 16 and the flowmeter 13, and controls the water pump 9, the first electromagnetic valve 5, the second electromagnetic valve 7 and the third electromagnetic valve 14 to be opened and closed.

The working principle of the tail water recycling device of the water purifier is as follows:

the control unit acquires data acquired by the first liquid level sensor, the second liquid level sensor and the flowmeter;

Tail water recycling: when the flow meter has data, the water demand is represented, when the first liquid level sensor has liquid level data, the tail water can be used in the tail water collecting box, and at the moment, the control unit sends a third electromagnetic valve closing instruction, a second electromagnetic valve opening instruction and a water pump starting instruction, and the tail water is extracted for use; when the first liquid level sensor has no liquid level data, no tail water in the tail water collecting box can be used, and at the moment, the control unit sends a third electromagnetic valve opening command, a second electromagnetic valve closing command and a water pump closing command, and external tap water is connected for use.

Tail water recovery: the control unit acquires data acquired by the first liquid level sensor and the second liquid level sensor; when the second liquid level sensor has liquid level data, the tail water in the tail water collecting box is collected fully, at the moment, the control unit sends a first electromagnetic valve opening instruction, the tail water is discharged to the sewer through the tail water discharge pipe, and the tail water in the tail water collecting box can be prevented from being discharged in a countercurrent mode because the tail water discharge pipe is provided with the first one-way valve; when the second liquid level sensor has no liquid level data, the tail water in the tail water collecting box is not collected fully, at the moment, the control unit sends a first electromagnetic valve closing instruction, and the tail water is discharged into the tail water collecting box through the tail water discharge pipe to be collected and recovered.

The application has been described above with particularity and detail in connection with general description and specific embodiments. It should be understood that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present application; but these conventional modifications and further innovations may also fall within the scope of the claims of the present application as long as they do not depart from the technical spirit of the present application.

Claims (5)

1. The tail water recycling device for the water purifier is characterized by comprising a tail water collecting box (1) and a secondary purifier (10); the tail water collecting box (1) is positioned below a tail water discharge port of the water purifier; the tail water collecting box (1) is communicated with a tail water discharge port of the water purifier through a tail water collecting pipe (2); a tail water using pipe (6) communicated with the inside of the tail water collecting box (1) is arranged at the bottom of the tail water collecting box; one end, far away from the tail water collecting box (1), of the tail water using pipe (6) is communicated with the secondary purifier (10); the tail water using pipe (6) is respectively provided with a second electromagnetic valve (7) and a water pump (9); the secondary purifier (10) is provided with a water outlet pipe (11) communicated with the interior of the secondary purifier; the water outlet pipe (11) is communicated with a tap water inlet pipe (12); the water outlet pipe (11) is provided with a flowmeter (13); the tap water inlet pipe (12) is provided with a third electromagnetic valve (14); the bottom in the tail water collecting box (1) is provided with a first liquid level sensor (15).

2. The tail water recycling device for the water purifier according to claim 1, wherein a second liquid level sensor (16) is arranged at the upper part in the tail water collecting box (1); the tail water collecting pipe (2) is communicated with a tail water discharge pipe (3); the tail water discharge pipe (3) is provided with a first electromagnetic valve (5).

3. A tail water recycling apparatus for a water purifier according to claim 2, characterized in that the tail water collecting pipe (2) between the tail water collecting tank (1) and the tail water discharging pipe (3) is provided with a first one-way valve (4).

4. A tail water recycling apparatus for water purifiers according to claim 3, characterized in that the tail water use pipe (6) is provided with a second one-way valve (8).

5. A tail water recycling apparatus for a water purifier according to any one of claims 2 to 4, further comprising a control unit; the control unit is respectively and electrically connected with the first liquid level sensor (15), the second liquid level sensor (16), the flowmeter (13), the water pump (9), the first electromagnetic valve (5), the second electromagnetic valve (7) and the third electromagnetic valve (14); the control unit acquires data acquired by the first liquid level sensor (15), the second liquid level sensor (16) and the flowmeter (13), and controls the water pump (9), the first electromagnetic valve (5), the second electromagnetic valve (7) and the third electromagnetic valve (14) to be opened and closed.