Organic separation membrane wastewater treatment system

Abstract

The utility model discloses an organic separation membrane wastewater treatment system which comprises a first-stage membrane element, a second-stage membrane element, a third-stage membrane element and a fourth-stage membrane element, the first-stage membrane element is used for carrying out first-stage filtration on wastewater, a first clear water pipe and a first concentrated water pipe are arranged on the first-stage membrane element, and the first-stage membrane element is communicated with a water tank through the first clear water pipe; the second-stage membrane element is used for performing second-stage filtration on the clear water in the water tank, the water tank is communicated with the second-stage membrane element through a first high-pressure pump, and a second clear water pipe and a second concentrated water pipe are arranged on the second-stage membrane element; according to the utility model, the problem that the traditional wastewater treatment equipment is only provided with a primary reverse osmosis membrane element and is difficult to filter wastewater with higher requirements can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment equipment field, concretely relates to a kind of organic separation membrane wastewater treatment systems. BACKGROUND

[0002] Reverse osmosis membrane element is widely applied to sewage treatment, by applying pressure higher than natural osmotic pressure, water molecule is reversed through reverse osmosis membrane, realizes the separation of solute and solvent, in the process, reverse osmosis membrane can effectively block dissolved salt, particulate matter and organic pollutants, to realize the filtration treatment of sewage.The traditional wastewater treatment equipment only has primary reverse osmosis membrane element, and it is difficult to meet the situation that some wastewater treatment requirements are higher. SUMMARY

[0003] To overcome the above-mentioned shortcomings, the utility model aims at providing a kind of organic separation membrane wastewater treatment systems.

[0004] In order to achieve the above purpose, the utility model adopts the technical scheme including: primary membrane element, for carrying out primary filtration to wastewater, the first clear water pipe and the first concentrated water pipe are configured on the primary membrane element, and the primary membrane element is connected with water tank through the first clear water pipe;Secondary membrane element is used for carrying out secondary filtration to clear water in the water tank, the water tank is connected with the secondary membrane element through the first high-pressure pump, and the second clear water pipe and the second concentrated water pipe are configured on the secondary membrane element.

[0005] In the preferred technical scheme of the above organic separation membrane wastewater treatment system, it further includes a water inlet pump, a filter connected with the outlet of the water inlet pump, and a second high-pressure pump connected with the outlet of the filter, and the outlet of the second high-pressure pump is connected with the inlet of the primary membrane element.

[0006] In the preferred technical scheme of the above organic separation membrane wastewater treatment system, the first sampling valve is configured on the primary membrane element, and the second sampling valve is configured on the secondary membrane element.

[0007] In the preferred technical scheme of the above organic separation membrane wastewater treatment system, the primary membrane element and the secondary membrane element are arranged on the frame body, and the frame body is provided with a liquid collecting tank, and the liquid collecting tank is located directly below the first sampling valve and the second sampling valve.

[0008] In the preferred technical scheme of the above organic separation membrane wastewater treatment system, the first water inlet pipe is arranged on the primary membrane element, and the second water inlet pipe is arranged on the secondary membrane element, the first water inlet pipe is provided with a first on-off valve, the second water inlet pipe is provided with a second on-off valve, and the first concentrated water pipe and the second concentrated water pipe are both provided with an automatic flushing valve.

[0009] In the preferred technical scheme of the organic separation membrane wastewater treatment system, the first concentrated water pipe is provided with an adjusting valve.

[0010] In the preferred technical scheme of the organic separation membrane wastewater treatment system, the first concentrated water pipe and the first clean water pipe are provided with flow meters.

[0011] In the preferred technical scheme of the organic separation membrane wastewater treatment system, the primary membrane element and the secondary membrane element are provided with pressure gauges.

[0012] In the preferred technical scheme of the organic separation membrane wastewater treatment system, the primary membrane element and the secondary membrane element are internally sprayed with a polytetrafluoroethylene coating.

[0013] The organic separation membrane wastewater treatment system has the advantages that the primary membrane element filters the wastewater, so that organic matter, impurities, salts, inorganic matter, etc. in the wastewater are preliminarily filtered, and the secondary membrane element performs secondary filtration on the clean water obtained by the primary membrane element, so that the treatment quality of the wastewater is further improved, the use effect of the organic separation membrane wastewater treatment system is improved, and the organic separation membrane wastewater treatment system has practicality. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a front view of the organic separation membrane wastewater treatment system;

[0015] Figure 2 is a front view of the organic separation membrane wastewater treatment system;

[0016] Figure 3 is a top view of the organic separation membrane wastewater treatment system;

[0017] Figure 4 is a left view of the organic separation membrane wastewater treatment system.

[0018] In the drawings: the primary membrane element 1, the first clean water pipe 2, the first concentrated water pipe 3, the water tank 4, the secondary membrane element 5, the first high-pressure pump 6, the water inlet pump 7, the filter 8, the second high-pressure pump 9, the first sampling valve 10, the second sampling valve 11, the frame body 12, the liquid collecting tank 13, the first water inlet pipe 14, the second water inlet pipe 15, the automatic flushing valve 16, the adjusting valve 17, the flow meter 18, and the pressure gauge 19. DETAILED DESCRIPTION

[0019] The preferred embodiments of the organic separation membrane wastewater treatment system are described below with reference to the drawings. Those skilled in the art should understand that the embodiments are only used to explain the technical principles of the organic separation membrane wastewater treatment system, and are not intended to limit the protection scope of the organic separation membrane wastewater treatment system.

[0020] It should be noted that in the description of this utility model, terms such as "upper," "lower," "left," "right," "front," and "rear," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "set," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0022] like Figures 1 to 4 As shown, the organic separation membrane wastewater treatment system of this utility model includes: a primary membrane element 1 for primary filtration of wastewater, the primary membrane element 1 being equipped with a first clear water pipe 2 and a first concentrated water pipe 3, the primary membrane element 1 being connected to a water tank 4 through the first clear water pipe 2; and a secondary membrane element 5 for secondary filtration of the clear water in the water tank 4, the water tank 4 being connected to the secondary membrane element 5 through a first high-pressure pump 6, the secondary membrane element 5 being equipped with a second clear water pipe and a second concentrated water pipe.

[0023] See Figure 1 The primary membrane element 1 and the secondary membrane element 5 are reverse osmosis membrane elements used to remove impurities such as salts, colloids, microorganisms and organic matter from wastewater. The primary membrane element 1 has at least one set, and the secondary membrane element 5 has at least one set. In this application, both the primary membrane element 1 and the secondary membrane element 5 have three sets. The three sets of primary membrane elements 1 are connected in parallel through pipelines, and the three sets of secondary membrane elements 5 are connected in parallel through pipelines.

[0024] See Figure 2 The outlet of the primary membrane element 1 is connected to a first clean water pipe 2 and a first concentrated water pipe 3. The first clean water pipe 2 is used to connect to a water tank 4, and the first concentrated water pipe 3 is used to discharge the concentrated water produced after filtration by the primary membrane element 1. The inlet of the secondary membrane element 5 is connected to the water tank 4 through a first high-pressure pump 6. The first high-pressure pump 6 can pump the clean water in the water tank 4 into the secondary membrane element 5 at a predetermined pressure. The outlet of the secondary membrane element 5 is connected to a second clean water pipe and a second concentrated water pipe.

[0025] Specifically, when filtering the wastewater, the wastewater is first pumped into the primary membrane element 1 at a predetermined pressure, the primary membrane element 1 can perform primary filtration on the wastewater, and the primary membrane element 1 produces concentrated water and clean water after filtering the wastewater, the concentrated water flows out through the first concentrated water pipe 3, the clean water flows out into the water tank 4 through the first clean water pipe 2, and the clean water in the water tank 4 is extracted by the first high-pressure pump 6 at a predetermined pressure and is extracted into the secondary membrane element 5, the secondary membrane element 5 can perform secondary filtration on the clean water, the filtered clean water is discharged through the second clean water pipe, and the filtered concentrated water is discharged through the second concentrated water pipe; the wastewater is filtered by the primary membrane element 1, so that the organic matter, impurities, salts, inorganic matter and the like in the wastewater are preliminarily filtered, and the clean water obtained by filtering the primary membrane element 1 is further filtered by the secondary membrane element 5, thereby further improving the treatment quality of the wastewater and improving the use effect of the application, and the application has practicality.

[0026] In one or more embodiments, further comprising a water inlet pump 7, a filter 8 communicating with the outlet of the water inlet pump 7, and a second high-pressure pump 9 connected to the outlet of the filter 8, and the outlet of the second high-pressure pump 9 communicates with the inlet of the primary membrane element 1.

[0027] Referring to Figure 3 , the water inlet pump 7 is used to extract the wastewater into the filter 8, and the filter 8 can preliminarily filter the wastewater to filter the suspended solids and other large-particle impurities in the wastewater, thereby avoiding damage to the primary membrane element 1 and the secondary membrane element 5 caused by the high-pressure water flow entering the primary membrane element 1 and the secondary membrane element 5, and forming protection for the primary membrane element 1 and the secondary membrane element 5.

[0028] In one or more embodiments, the primary membrane element 1 is provided with a first sampling valve 10, and the secondary membrane element 5 is provided with a second sampling valve 11; the primary membrane element 1 and the secondary membrane element 5 are arranged on a rack body 12, and the rack body 12 is provided with a liquid collecting tank 13 located directly below the first sampling valve 10 and the second sampling valve 11.

[0029] Referring to Figures 2 to 4 , three groups of primary membrane elements 1 and three groups of secondary membrane elements 5 are arranged on the rack body 12, and each primary membrane element 1 is provided with a first sampling valve 10 at the end thereof through a pipeline, and each secondary membrane element 5 is provided with a second sampling valve 11 through a pipeline, and the rack body 12 is provided with a liquid collecting tank 13 at a lower position of the first sampling valve 10 and the second sampling valve 11.

[0030] Specifically, when sampling the wastewater in the primary membrane element 1, the corresponding first sampling valve 10 is opened, so that the wastewater in the primary membrane element 1 flows out through the pipeline, facilitating sampling and detection, and correspondingly, when sampling the wastewater in the secondary membrane element 5, the corresponding second sampling valve 11 is opened, so that the wastewater in the secondary membrane element 5 flows out through the pipeline, which has the characteristics of simple structure and convenient operation, and has practicality.

[0031] It should be noted that when sampling wastewater from the primary membrane element 1 and the secondary membrane element 5, the collection tank 13 can collect the wastewater dripping from the pipeline equipped with the first sampling valve 10 and the second sampling valve 11, thereby reducing pollution.

[0032] In one or more embodiments, a first inlet pipe 14 is provided on the primary membrane element 1, a second inlet pipe 15 is provided on the secondary membrane element 5, a first switch valve is provided on the first inlet pipe 14, a second switch valve is provided on the second inlet pipe 15, and an automatic flushing valve 16 is provided on both the first concentrate pipe 3 and the second concentrate pipe.

[0033] See Figure 1 , Figure 3 The automatic flushing valve 16 has two valves, which are respectively configured on the first concentrate pipe 3 and the second concentrate pipe. When the wastewater treatment system is shut down, the automatic flushing valve 16 on the first concentrate pipe 3 and the second concentrate pipe is opened, and water is introduced into the first inlet pipe 14 and the second inlet pipe 15 so that the wastewater in the primary membrane element 1, the first concentrate pipe 3, the secondary membrane element 5, and the second concentrate pipe can be flushed out. This avoids the problem that impurities in the wastewater adhere to the primary membrane element 1, the secondary membrane element 5, the first concentrate pipe 3, and the second concentrate pipe when the system is shut down, making them difficult to remove and affecting their use.

[0034] In one or more embodiments, a regulating valve 17 is provided on the first concentrate pipe 3. See also Figure 2 By controlling the opening and closing of the regulating valve 17, the flow rate of concentrated water in the first concentrated water pipe 3 can be controlled. When it is necessary to control the ratio of concentrated water in the first concentrated water pipe 3 to clear water in the first clear water pipe 2, the opening and closing of the regulating valve 17 can be controlled accordingly. When the regulating valve 17 is opened larger, the flow rate of concentrated water in the first concentrated water pipe 3 is larger. When the regulating valve 17 is opened smaller, the flow rate of concentrated water in the first concentrated water pipe 3 is smaller. Some of the concentrated water will then choose to mix with the clear water through the first clear water pipe 2, thereby achieving the adjustment of the ratio of clear water to concentrated water.

[0035] In one or more embodiments, both the first concentrated water pipe 3 and the first clear water pipe 2 are equipped with flow meters 18. See also Figure 2 The flow meter 18 configured on the first concentrate pipe 3 is used to observe the flow rate of concentrate in the first concentrate pipe 3, and the flow meter 18 configured on the first clear water pipe 2 is used to observe the flow rate of clear water in the first clear water pipe 2.

[0036] In one or more embodiments, pressure gauges 19 are provided on both the primary membrane element 1 and the secondary membrane element 5. See also Figure 2 The pressure gauge 19 configured on the primary membrane element 1 is used to monitor the internal fluid pressure of the primary membrane element 1, and the pressure gauge 19 configured on the secondary membrane element 5 is used to monitor the internal fluid pressure of the secondary membrane element 5.

[0037] In one or more embodiments, the primary membrane element 1 and the secondary membrane element 5 are internally sprayed with a polytetrafluoroethylene coating. It should be noted that the polytetrafluoroethylene coating has certain self-lubricating and anti-corrosion functions, which can effectively reduce the corrosion of the primary membrane element 1 and the secondary membrane element 5 by the wastewater, and can also accelerate the flow rate of the fluid inside the primary membrane element 1 and the secondary membrane element 5.

[0038] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made in accordance with the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. An organic separation membrane wastewater treatment system characterized by, The utility model relates to a kind of membrane filtration device, comprising: Primary membrane element, for primary filtration to wastewater, first clean water pipe and first concentrated water pipe are arranged on the primary membrane element, the primary membrane element is communicated water tank by first clean water pipe; Secondary membrane element, for secondary filtration to clean water in the water tank, the water tank is communicated the secondary membrane element by first high-pressure pump, second clean water pipe and second concentrated water pipe are arranged on the secondary membrane element; Water inlet pump, filter connected with the outlet of the water inlet pump, second high-pressure pump connected with the outlet of the filter, the inlet of the primary membrane element is communicated the outlet of the second high-pressure pump; First sampling valve is arranged on the primary membrane element, and second sampling valve is arranged on the secondary membrane element.

2. The organic separation membrane wastewater treatment system according to claim 1, characterized by: The primary membrane element and the secondary membrane element are arranged on frame body, and collecting tank is arranged on the frame body, and the collecting tank is located directly below the first sampling valve and the second sampling valve.

3. The organic separation membrane wastewater treatment system according to claim 1, characterized by: First water inlet pipe is arranged on the primary membrane element, and second water inlet pipe is arranged on the secondary membrane element, first switch valve is arranged on the first water inlet pipe, and second switch valve is arranged on the second water inlet pipe, and automatic flushing valve is arranged on the first concentrated water pipe and the second concentrated water pipe.

4. The organic separation membrane wastewater treatment system of claim 1, wherein: Adjusting valve is arranged on the first concentrated water pipe.

5. The organic separation membrane wastewater treatment system of claim 1, wherein: Flow meter is arranged on the first concentrated water pipe and the first clean water pipe.

6. The organic separation membrane wastewater treatment system of claim 1, wherein: Pressure gauge is arranged on the primary membrane element and the secondary membrane element.

7. The organic separation membrane wastewater treatment system of claim 1, wherein: Polytetrafluoroethylene coating is sprayed inside the primary membrane element and the secondary membrane element.

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