CN217051721U - High-salt industrial wastewater nanofiltration salt separation device based on membrane separation - Google Patents

Abstract

The utility model discloses a nanofiltration and salt separation device based on membrane separation of high-salt industrial waste water. There is a separation membrane between the discharge tank and the brine collection tank, the side wall of the discharge tank is provided with a feeding port near the top, and the side wall of the discharge tank is provided with a first liquid outlet near the bottom. The bottom of the side wall of the salt water collection tank is provided with a second liquid outlet that communicates with the circulating pump, the side of the second liquid outlet close to the salt water collection tank is provided with a salt water detector, and the side wall of the discharge tank is provided The bottom is communicated with the top of the side wall of the salt water collection tank through a circulating pipeline. The circulating pipeline is provided with a circulating pump. , and can also detect unqualified brine, which not only improves the separation rate of brine, but also improves the quality of brine separation.

Description

A Nanofiltration Salt Separation Device Based on Membrane Separation of High Salt Industrial Wastewater

technical field

The utility model relates to the technical field of salt separation devices, in particular to a nanofiltration salt separation device based on membrane separation of high-salt industrial wastewater.

Background technique

The membrane separation high-salt industrial wastewater nanofiltration salt-separation device in the prior art generally directly pours the wastewater into a separation membrane for separation, which not only has poor separation efficiency, but also cannot detect whether the wastewater is completely separated after separation.

Utility model content

The purpose of this utility model is to provide a nanofiltration salt-separation device based on membrane separation of high-salt industrial waste water, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a nanofiltration salt-separation device based on membrane separation of high-salt industrial wastewater, comprising a base, a separation pond is arranged at the center of the top of the base, and an upper and lower arrangement is arranged in the separation pond. The discharge pool and the salt water collection pool are provided with a separation membrane between the discharge pool and the salt water collection pool, the side wall of the discharge pool is provided with a feeding port near the top, and the side wall of the discharge pool is near the bottom. A first liquid outlet is provided, and the bottom of the side wall of the salt water collection tank is provided with a second liquid outlet that communicates with the circulating pump, and a salt water detector is provided on the side of the second liquid outlet close to the salt water collection tank, The bottom of the side wall of the discharge tank and the top of the side wall of the salt water collection tank are communicated through a circulation pipeline. sensor.

As a preferred solution of the present invention, a first liquid level sensor and a second liquid level sensor are respectively provided in the discharging tank and the salt water collecting tank.

As a preferred solution of the present invention, a valve is provided in the pipeline of the first liquid outlet.

As a preferred solution of the present invention, the liquid inlet end of the circulating pump is communicated with the brine collection tank, the liquid outlet end of the circulating pump is communicated with the discharging pool, and the circulating pipeline is connected with the pipeline of the second liquid outlet. There is a one-way valve at the connection.

As a preferred solution of the present invention, a discharge valve is provided at the second liquid outlet.

As a preferred solution of the present invention, the compression device includes four guide rods disposed at the four corners of the top of the base, the top of the guide rods is provided with a top plate, and the center of the top of the top plate is provided with an output end facing downward. A telescopic cylinder, the bottom of the telescopic cylinder is provided with a support plate, the four corners of the support plate and the guide rod are connected by sliding sleeves through sliding sleeves, the bottom of the support plate is provided with a pressure plate, and the four tops of the pressure plate are The corner and the support plate are connected by a pressure sensor.

As a preferred solution of the present invention, the guide rod is fixedly connected to the base and the bottom of the top plate, the top plate and the telescopic cylinder are fixedly connected by bolts, and the output end of the telescopic cylinder is fixed to the support plate The top and bottom of the pressure sensor are respectively connected with the support plate and the pressure plate by bolts.

As a preferred solution of the present invention, the cross-sectional area of the discharging tank is equal to the cross-sectional area of the pressing plate, and the periphery of the pressing plate is provided with sealing gaskets.

Beneficial effects: When the utility model is in use, the waste water that needs to be separated is first injected into the discharge tank from the feeding port. After pouring, the appropriate liquid level height is sensed by the first liquid level sensor. After filling, the injection is stopped. The waste water is then started to stretch the telescopic cylinder, and its pressure is controlled by the pressure sensor. After stretching a certain distance, the stretching stops. Then the waste water is separated into the brine collection tank through the separation membrane, and then comes out from the second liquid outlet and is detected by the brine detector. , if it is qualified, open the discharge valve to release the salt water, if it is not qualified, then call the one-way valve, start the circulating pump, and inject the unqualified waste water into the discharge tank again, and continue to separate. The separated waste water flows from the first liquid outlet. In summary, the utility model can not only accelerate the separation of waste water, but also can detect unqualified brine, which not only improves the separation rate of brine, but also improves the quality of brine separation.

Description of drawings

Fig. 1 is the perspective view of a kind of utility model based on membrane separation of high-salt industrial wastewater nanofiltration salt-separation device;

Fig. 2 is a kind of internal diagram of the utility model based on membrane separation of high-salt industrial wastewater nanofiltration salt-separation device;

FIG. 3 is a schematic diagram of a compression device of a nanofiltration salt-separating device based on membrane separation of high-salt industrial wastewater according to the present invention.

In the figure: 1, the base; 2, the separation tank; 21, the discharge tank; 211, the first liquid level sensor; 212, the first liquid outlet; 213, the feed port; 22, the brine collection tank; 221, the second Liquid level sensor; 222, second liquid outlet; 223, brine detector; 224, discharge valve; 23, separation membrane; 3, compression device; 31, top plate; 32, telescopic cylinder; 33, guide rod; 34, Support plate; 35, sliding sleeve; 36, pressure sensor; 37, pressure plate; 4, circulating pipeline; 41, circulating pump; 42, one-way valve.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. For example, based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

In order to facilitate the understanding of the present utility model, the present utility model will be more fully described below with reference to the related drawings. Several embodiments of the present invention are shown in the accompanying drawings. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

1-3, the present utility model provides a technical solution: a nanofiltration salt-separation device based on membrane separation of high-salt industrial wastewater, comprising a base 1, and a separation tank 2 is provided at the center of the top of the base 1, and the The separation tank 2 is provided with a discharge tank 21 and a salt water collection tank 22 arranged up and down, a separation membrane 23 is provided between the discharge tank 21 and the salt water collection tank 22, and a side wall of the discharge tank 21 is provided near the top. There is a feeding port 213, the side wall of the discharging tank 21 is provided with a first liquid outlet 212 near the bottom, and the bottom of the side wall of the salt water collection tank 22 is provided with a second liquid outlet 222 communicated with the circulating pump 41 , the side of the second liquid outlet 222 close to the salt water collection tank 22 is provided with a salt water detector 223, and the bottom of the side wall of the discharge tank 21 and the top of the side wall of the salt water collection tank 22 are connected through the circulation pipeline 4 , the circulating pipeline 4 is provided with a circulating pump 41 , the discharging tank 21 is provided with a compression device 3 , and the compression device 3 is provided with a pressure sensor 36 .

In an embodiment, please refer to FIG. 1 and FIG. 2 , a first liquid level sensor 211 and a second liquid level sensor 221 are respectively provided in the discharging tank 21 and the salt water collecting tank 22 , and the pipeline of the first liquid outlet 212 There is a valve inside, the liquid inlet end of the circulation pump 41 is communicated with the brine collection tank 22, the liquid outlet end of the circulation pump 41 is communicated with the discharge pool 21, and the circulation pipeline 4 is communicated with the second liquid outlet A one-way valve 42 is provided at the pipe connection of 222 , and a discharge valve 224 is provided at the second liquid outlet 222 .

1 and 3, the compression device 3 includes four guide rods 33 disposed at the four corners of the top of the base 1, the top of the guide rods 33 is provided with a top plate 31, the center of the top of the top plate 31 There is a telescopic cylinder 32 with the output end facing downward, and the bottom of the telescopic cylinder 32 is provided with a support plate 34, and the four corners of the support plate 34 and the guide rod 33 are slidably connected by sliding sleeves 35, so The bottom of the support plate 34 is provided with a pressure plate 37, the four corners of the top of the pressure plate 37 are connected with the support plate 34 through pressure sensors 36, and the guide rod 33 is fixedly connected to the base 1 and the bottom of the top plate 31. , the top plate 31 and the telescopic cylinder 32 are fixedly connected by bolts, the output end of the telescopic cylinder 32 is fixedly connected with the support plate 34, the top and bottom of the pressure sensor 36 are respectively connected with the support plate 34 and the pressure plate 37 They are fixedly connected by bolts, and the cross-sectional area of the discharging tank 21 is equal to the cross-sectional area of the pressing plate 37 , and a sealing gasket is provided around the pressing plate 37 .

Operation process: When the utility model is in use, the waste water to be separated is first injected into the discharge tank from the feeding port. After pouring, the appropriate liquid level height is sensed by the first liquid level sensor. After filling, the injection is stopped. The waste water is then started to stretch the telescopic cylinder, and its pressure is controlled by the pressure sensor. After stretching a certain distance, the stretching stops. Then the waste water is separated into the brine collection tank through the separation membrane, and then comes out from the second liquid outlet and is detected by the brine detector. , if it is qualified, open the discharge valve to release the salt water, if it is not qualified, then call the one-way valve, start the circulating pump, and inject the unqualified waste water into the discharge tank again, and continue to separate. The separated waste water flows from the first liquid outlet. In summary, the utility model can not only accelerate the separation of waste water, but also can detect unqualified brine, which not only improves the separation rate of brine, but also improves the quality of brine separation.

The basic principles, main features and advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention There will also be various changes and improvements in the new model, which all fall within the scope of the claimed invention. The claimed scope of the utility model is defined by the appended claims and their equivalents.

Claims (8)

1. a high-salt industrial wastewater nanofiltration salt-separating device based on membrane separation, comprising a base (1), characterized in that: the top center of the base (1) is provided with a separation pond (2), and the separation pond (2) ) is provided with a discharge tank (21) and a brine collection tank (22) arranged up and down, and a separation membrane (23) is arranged between the discharge tank (21) and the brine collection tank (22). The side wall of the pool (21) is provided with a feeding port (213) near the top, the side wall of the discharging pool (21) is provided with a first liquid outlet (212) near the bottom, and the salt water collection pool (22) The bottom of the side wall is provided with a second liquid outlet (222) that communicates with the circulating pump (41), and a salt water detector (223) is provided on the side of the second liquid outlet (222) close to the salt water collection tank (22). ), the bottom of the side wall of the discharge tank (21) and the top of the side wall of the salt water collection tank (22) are communicated through a circulation pipe (4), and a circulation pump (41) is provided in the circulation pipe (4). , a compression device (3) is arranged on the discharge tank (21), and a pressure sensor (36) is arranged in the compression device (3). 2. A kind of high-salt industrial wastewater nanofiltration salt-separation device based on membrane separation according to claim 1, characterized in that: the discharge tank (21) and the brine collection tank (22) are respectively provided with the first liquid A level sensor (211) and a second liquid level sensor (221). 3 . The device for separating high-salt industrial wastewater by nanofiltration based on membrane separation according to claim 1 , wherein a valve is provided in the pipeline of the first liquid outlet ( 212 ). 4 . 4. A kind of high-salt industrial wastewater nanofiltration salt-separation device based on membrane separation according to claim 1, characterized in that: the liquid inlet end of the circulating pump (41) is communicated with the brine collection tank (22), so The liquid outlet end of the circulation pump (41) is communicated with the discharge tank (21), and a one-way valve (42) is provided at the pipe connection between the circulation pipe (4) and the second liquid outlet (222). 5 . The device according to claim 1 , characterized in that a discharge valve ( 224 ) is provided at the second liquid outlet ( 222 ). 6. A membrane-based high-salt industrial wastewater nanofiltration salt-separating device according to claim 1, characterized in that: the compression device (3) comprises four guide rods arranged at four corners of the top of the base (1) (33), the top of the guide rod (33) is provided with a top plate (31), and the center of the top of the top plate (31) is provided with a telescopic cylinder (32) with the output end facing down, the telescopic cylinder (32) The bottom of the support plate (34) is provided with a support plate (34), the four corners of the support plate (34) and the guide rod (33) are slidably connected by sliding sleeves (35), and the bottom of the support plate (34) is provided with A pressure plate (37), the four corners of the top of the pressure plate (37) and the support plate (34) are connected by a pressure sensor (36). 7. A membrane-based high-salt industrial wastewater nanofiltration salt-separating device according to claim 6, characterized in that: the guide rod (33) and the bottom of the base (1) and the top plate (31) are evenly spaced Fixed connection, the top plate (31) and the telescopic cylinder (32) are fixedly connected by bolts, the output end of the telescopic cylinder (32) and the support plate (34) are fixedly connected, the pressure sensor (36) The top and bottom of the support plate (34) and the pressing plate (37) are fixedly connected by bolts respectively. 8. A kind of high-salt industrial wastewater nanofiltration salt-separation device based on membrane separation according to claim 1, characterized in that: the cross-sectional area of the discharge tank (21) is equal to the cross-sectional area of the pressing plate (37), Gaskets are provided around the pressing plate (37).

Images