Water purification equipment

Abstract

The utility model discloses water purification equipment which comprises a reverse osmosis membrane filter, and the reverse osmosis membrane filter is a core part of the water purification equipment and can effectively remove dissolved solids, bacteria and viruses in water. In the embodiment, the reverse osmosis membrane filter is connected with the ultraviolet sterilizer through the primary filter assembly, the ultraviolet sterilizer adopts a QL type sterilizer, the ultraviolet sterilizer is used for carrying out primary sterilization treatment on water, and bacteria and viruses in the water can be effectively killed through ultraviolet sterilization, so that a cleaner water source is provided for the reverse osmosis process; and a water inlet of the ultraviolet sterilizer is connected with the reverse osmosis membrane filter through a primary filter assembly. The utility model relates to the technical field of water purification, in particular to water purification equipment which can be used for primarily purifying raw water before the raw water enters a reverse osmosis membrane filter.

Description

Technical Field

[0001] The utility model relates to the technical field of pure water, in particular to a pure water device. Background Art

[0002] In modern society, with the rapid development of industrialization and urbanization, the problem of water pollution is becoming increasingly serious. Industrial wastewater, agricultural pollution and domestic sewage have all had a great impact on water quality. Therefore, providing safe and clean drinking water has become an urgent need. Traditional water treatment methods such as sedimentation, filtration, disinfection, etc., although they can remove suspended matter and some bacteria in water, have limited effects on the removal of pollutants such as heavy metals, organic matter and microorganisms dissolved in water. Reverse osmosis technology, as an efficient water treatment method, can effectively remove most pollutants in water, but its pretreatment process is complicated and has high requirements for the front-end filter. In addition, the reverse osmosis membrane is easily blocked due to the accumulation of microorganisms and organic matter in the water, which affects the water quality and water production. Therefore, a device that can perform preliminary sterilization and purification of raw water is designed. Summary of the invention

[0003] The utility model provides a pure water device, which can perform preliminary purification on raw water before the pure water enters a reverse osmosis membrane filter.

[0004] A pure water device, comprising a reverse osmosis membrane filter and an ultraviolet sterilizer, for preliminary sterilization of water, wherein the water inlet of the ultraviolet sterilizer is connected to the reverse osmosis membrane filter through a primary filter assembly;

[0005] The primary filter assembly includes an outer cover, which is cylindrical and has an end cap on the upper end. A filter cartridge is arranged inside the outer cover, and the upper end of the filter cartridge is matched with the second end cap. A filter element is arranged inside the filter cartridge, and a liquid outlet is arranged on the upper part of the circumferential wall of the filter cartridge. The liquid outlet is fixedly connected to the water inlet pipe of the reverse osmosis membrane filter through a spring tube.

[0006] The filter cartridge is connected to the outer cover through a lifting assembly, which includes a motor, a slider, a screw and a fixed block. The fixed block is fixed to the inner wall of the outer cover, the fixed block bearing is connected to the upper end of the screw, the screw thread is connected to the slider, the slider is fixedly connected to the outer side of the circumferential wall of the filter cartridge, the motor is fixedly connected to the bottom of the outer cover, and the output shaft of the motor is fixedly connected to the lower end of the screw;

[0007] A liquid outlet pipe is arranged at the lower end of the arc-shaped wall of the filter cartridge, and the liquid outlet pipe is matched with a plug assembly. The liquid outlet pipe is connected to the liquid inlet of the outer cover through the plug assembly, and the liquid inlet is fixedly connected to the water outlet of the ultraviolet sterilizer through a connecting pipe.

[0008] As a further limitation of the present technical solution, the plug-in assembly includes an electric push rod, a connecting rod and a sleeve, one end of the sleeve is plugged into the annular groove on the liquid outlet pipe, the sleeve and the annular groove match each other, the other end of the sleeve matches the liquid inlet pipe mouth, the sleeve is fixedly connected to the telescopic rod of the electric push rod through the connecting rod, the electric push rod fixes the filter cartridge, when the filter cartridge is in the lowest position, the pressure sensor fixed at the lower end of the filter cartridge contacts the bottom end of the inner wall of the outer cover, the electric push rod extends to drive the sleeve to extend, when the telescopic rod of the electric push rod is extended to the maximum stroke, the sleeve is inserted into the liquid inlet pipe mouth, the sleeve, the liquid inlet pipe mouth and the liquid outlet pipe form a water flow pipeline.

[0009] As a further limitation of the present technical solution, the outer diameter of the sleeve is equal to the inner diameter of the liquid inlet.

[0010] As a further limitation of the technical solution, a pressure sensor is fixed to the lower end of the filter cartridge, and an electrical signal of the pressure sensor is connected to the controller.

[0011] As a further limitation of the present technical solution, the controller controls the electric push rod and the motor.

[0012] As a further limitation of the present technical solution, a flow control valve is provided at the outer end of the liquid inlet pipe port, and a controller controls the flow control valve. When the telescopic rod of the electric push rod is extended to the maximum distance, the controller controls the flow control valve to open.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] By installing an ultraviolet disinfector in front of the reverse osmosis membrane filter, it can not only effectively kill bacteria and viruses in the water, reduce the pollution of the reverse osmosis membrane, and extend its service life, but also improve the safety and reliability of the entire water treatment system;

[0015] The design of the first-stage filter assembly makes it easier to replace and clean the filter element in the filter cartridge, thus improving the filtering efficiency.

[0016] The lifting assembly enables the filter cartridge to be lifted and lowered, so that it can be lifted and removed from the outer cover, and the filter element can be replaced. The plug-in assembly can connect the sleeve, the liquid inlet and the liquid outlet, so as to facilitate pure water work. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the local three-dimensional structure of the utility model Figure 1 ;

[0020] Figure 3 The utility model is a partial three-dimensional cutaway diagram Figure 1 ;

[0021] Figure 4 For the utility model Figure 3 A partial enlarged view of the middle A;

[0022] Figure 5 It is a schematic diagram of the local three-dimensional structure of the utility model Figure 2 ;

[0023] Figure 6 It is a schematic diagram of the local three-dimensional structure of the utility model Figure 3 .

[0024] In the figure: 1-reverse osmosis membrane filter, 2-outer cover, 201-fixed block, 202-end cover, 3-liquid inlet, 4-connecting pipe, 5-ultraviolet disinfector, 6-end cover II, 7-liquid outlet, 8-screw, 9-slider, 10-motor, 11-filter cartridge, 12-electric push rod, 13-connecting rod, 14-sleeve, 15-liquid outlet pipe, 151-annular groove, 16-water inlet pipe. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-Figure 6 The utility model is further described with implementation modes.

[0026] The specific embodiments of the present utility model are:

[0027] Example:

[0028] A pure water device, comprising a reverse osmosis membrane filter 1, wherein the reverse osmosis membrane filter 1 adopts an existing product and will not be described in detail. The reverse osmosis membrane filter 1 is the core part of the pure water device and can effectively remove dissolved solids, bacteria and viruses in water. In this embodiment, the reverse osmosis membrane filter 1 is connected to an ultraviolet disinfector 5 through a primary filter assembly, wherein the ultraviolet disinfector 5 adopts a QL model disinfector, and the ultraviolet disinfector 5 is used for preliminary disinfection of water. Ultraviolet disinfection can effectively kill bacteria and viruses in water, and provides a cleaner water source for the reverse osmosis process, and is used for preliminary disinfection of water. The water inlet of the ultraviolet disinfector 5 is connected to the reverse osmosis membrane filter 1 through a primary filter assembly;

[0029] The primary filter assembly comprises an outer cover 2, the outer cover 2 is cylindrical and has an end cap 202 on the upper end, a filter cartridge 11 is arranged in the outer cover 2, the upper end of the filter cartridge 11 is matched with an end cap 202, a filter element is arranged in the filter cartridge 11, a liquid outlet 7 is arranged on the upper part of the circumferential wall of the filter cartridge 11, and the liquid outlet 7 is fixedly connected to the water inlet pipe 16 of the reverse osmosis membrane filter 1 through a spring tube;

[0030] The filter cartridge 11 is connected to the outer cover 2 via a lifting assembly, and the lifting assembly includes a motor 10, a slider 9, a screw 8 and a fixed block 201, wherein the fixed block 201 is fixed to the inner wall of the outer cover 2, the fixed block 201 is bearing-connected to the upper end of the screw 8, the screw 8 is threadedly connected to the slider 9, the slider 9 is fixedly connected to the outer side of the circumferential wall of the filter cartridge 11, the motor 10 is fixedly connected to the bottom of the outer cover 2, and the output shaft of the motor 10 is fixedly connected to the lower end of the screw 8;

[0031] A liquid outlet pipe 15 is provided at the lower end of the arc-shaped wall of the filter cartridge 11 , and the liquid outlet pipe 15 is matched with a plug-in assembly. The liquid outlet pipe 15 is connected to the liquid inlet pipe port 3 of the outer cover 2 through the plug-in assembly, and the liquid inlet pipe port 3 is fixedly connected to the water outlet of the ultraviolet sterilizer 5 through a connecting pipe 4 .

[0032] The filter element is used for preliminary filtering of large particles of impurities in the water. It can be an activated carbon filter element: made of high-quality fruit shell carbon or coal-based activated carbon, used to adsorb residual chlorine and organic matter in the water, and has the effect of decolorization and deodorization. It can also be a ceramic composite purification filter element: made of diatomaceous earth sintered at high temperature, which can filter out pathogenic bacteria and suspended particles in the water.

[0033] The plug-in assembly includes an electric push rod 12, a connecting rod 13 and a sleeve 14, one end of the sleeve 14 is plugged and connected to the annular groove 151 on the liquid outlet pipe 15, the sleeve 14 and the annular groove 151 match each other, and the other end of the sleeve 14 matches the liquid inlet pipe port 3, the sleeve 14 is fixedly connected to the telescopic rod of the electric push rod 12 through the connecting rod 13, the electric push rod 12 fixes the filter cartridge 11, when the filter cartridge 11 is in the lowest position, the pressure sensor fixed at the lower end of the filter cartridge 11 contacts the bottom end of the inner wall of the outer cover 2, the electric push rod 12 extends to drive the sleeve 14 to extend, when the telescopic rod of the electric push rod 12 extends to the maximum stroke, the sleeve 14 is inserted into the liquid inlet pipe port 3, and the sleeve 14, the liquid inlet pipe port 3 and the liquid outlet pipe 15 form a water flow pipeline.

[0034] The outer diameter of the sleeve 14 is equal to the inner diameter of the liquid inlet port 3 .

[0035] A pressure sensor is fixed at the lower end of the filter cartridge 11, and an electrical signal of the pressure sensor is connected to a controller.

[0036] The controller controls the electric push rod 12 and the motor 10 . The motor 10 is a stepping motor, which is an existing product of the prior art.

[0037] A flow control valve is disposed at the outer end of the liquid inlet pipe port 3 , and the controller controls the flow control valve. When the telescopic rod of the electric push rod 12 is extended to the maximum distance, the controller controls the flow control valve to open.

[0038] The working mode of this embodiment is as follows: when the equipment is started, the raw water first passes through the ultraviolet disinfector and then enters the primary filter assembly, and the impurities in the water are initially filtered through the filter element. The filtered water enters the water inlet pipe 16 of the reverse osmosis membrane filter 1 through the liquid outlet 7 and the spring tube, and flows out from the water outlet after being filtered by the reverse osmosis membrane filter 1. At this time, the dissolved solids, bacteria and viruses in the water are effectively removed, and the pure water produced in the reverse osmosis process will be stored or directly supplied for use;

[0039] When replacing the filter element, turn off the equipment, close the flow control valve of the liquid inlet pipe port 3, control the telescopic rod of the electric push rod 12 to retract, and when the telescopic rod of the electric push rod 12 retracts to the limit position, the sleeve 14 is completely separated from the liquid inlet pipe port 13 driven by the connecting rod 13. At this time, the controller controls the output shaft of the motor 10 to rotate and drive the screw 8 to rotate, and the screw 8 drives the slider 9 threadedly connected thereto to move, and the slider 9 drives the filter cartridge 11 to move up. After the filter cartridge 11 moves up to a suitable position, the motor 10 stops working, and the end cover 6 is removed to replace the filter element. After the replacement is completed, the end cover is installed. 26, control the output shaft of the motor 10 to rotate in the opposite direction to drive the screw 8 to reverse, and finally drive the filter cartridge 11 to move downward. When the pressure sensor fixed at the lower end of the filter cartridge 11 contacts the bottom end of the inner wall of the outer cover 2, the motor 10 stops working. At this time, the controller controls the electric push rod 12 to extend to drive the sleeve 14 to extend. When the telescopic rod of the electric push rod 12 is extended to the maximum stroke, the sleeve 14 is inserted into the liquid inlet pipe port 3. The controller controls the telescopic rod of the electric push rod 12 to remain stationary, and the sleeve 14, the liquid inlet pipe port 3 and the liquid outlet pipe 15 form a water flow pipeline. Then the equipment is started again to perform pure water work.

[0040] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A pure water device, comprising a reverse osmosis membrane filter (1), characterized in that: An ultraviolet disinfector (5) for preliminarily disinfecting water, wherein the water inlet of the ultraviolet disinfector (5) is connected to the reverse osmosis membrane filter (1) via a primary filter assembly; The primary filter assembly comprises an outer cover (2), the outer cover (2) being cylindrical and having an end cover (202) matched at the upper end, a filter cartridge (11) being arranged inside the outer cover (2), the upper end of the filter cartridge (11) being matched with a second end cover (6), a filter element being arranged inside the filter cartridge (11), a liquid outlet (7) being arranged at the upper part of the circumferential wall surface of the filter cartridge (11), the liquid outlet (7) being connected to a water inlet pipe (16) of the reverse osmosis membrane filter (1) by a spring tube; The filter cartridge (11) is connected to the outer cover (2) via a lifting assembly, the lifting assembly comprising a motor (10), a slider (9), a screw (8) and a fixed block (201), the fixed block (201) being fixed to the inner wall of the outer cover (2), the fixed block (201) being bearing-connected to the upper end of the screw (8), the screw (8) being threadedly connected to the slider (9), the slider (9) being fixedly connected to the outer side of the circumferential wall of the filter cartridge (11), the motor (10) being fixedly connected to the bottom of the outer cover (2), and the output shaft of the motor (10) being fixedly connected to the lower end of the screw (8); A liquid outlet pipe (15) is provided at the lower end of the arc-shaped wall surface of the filter cartridge (11); the liquid outlet pipe (15) is matched with a plug assembly; the liquid outlet pipe (15) is connected to the liquid inlet pipe opening (3) of the outer cover (2) via the plug assembly; the liquid inlet pipe opening (3) is fixedly connected to the water outlet of the ultraviolet sterilizer (5) via a connecting pipe (4).

2. A pure water device according to claim 1, characterized in that: The plug-in assembly comprises an electric push rod (12), a connecting rod (13) and a sleeve (14); one end of the sleeve (14) is plugged into an annular groove (151) on the liquid outlet pipe (15); the sleeve (14) and the annular groove (151) match each other; the other end of the sleeve (14) matches the liquid inlet pipe opening (3); the sleeve (14) is fixedly connected to the telescopic rod of the electric push rod (12) via the connecting rod (13); the electric push rod (12) The filter cartridge (11) is fixed, and when the filter cartridge (11) is in the lowest position, the pressure sensor fixed at the lower end of the filter cartridge (11) contacts the bottom end of the inner wall of the outer cover (2), and the electric push rod (12) extends to drive the sleeve (14) to extend, and when the telescopic rod of the electric push rod (12) extends to the maximum stroke, the sleeve (14) is inserted into the liquid inlet pipe opening (3), and the sleeve (14), the liquid inlet pipe opening (3) and the liquid outlet pipe (15) form a water flow pipeline.

3. A pure water device according to claim 2, characterized in that: The outer diameter of the sleeve (14) is equal to the inner diameter of the liquid inlet pipe opening (3).

4. A pure water device according to claim 2, characterized in that: A pressure sensor is fixed at the lower end of the filter cartridge (11), and an electrical signal of the pressure sensor is connected to a controller.

5. A pure water device according to claim 4, characterized in that: The controller controls the electric push rod (12) and the motor (10).

6. A pure water device according to claim 4, characterized in that: A flow control valve is provided at the outer end of the liquid inlet pipe port (3), and the controller controls the flow control valve. When the telescopic rod of the electric push rod (12) is extended to the maximum distance, the controller controls the flow control valve to open.

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