Cleaning device applied to inorganic membrane separation system

Abstract

The utility model provides a cleaning device applied to an inorganic membrane separation system. The cleaning device mainly comprises an inorganic membrane component, an ultrasonic device, a cleaning circulating pump, a sewage pump, a heating device, a cleaning tank and a concentrated liquid tank. In the operation process, firstly, chemicals and clear water are manually added into the cleaning tank, hot water is generated through electric heating temperature control, and then the hot water is pumped into the inorganic membrane module by utilizing the cleaning circulating pump for circulating cleaning; meanwhile, an ultrasonic device arranged outside the inorganic membrane assembly is started, after multiple times of circulation, a cleaning circulating pump and the ultrasonic device are closed, cleaning wastewater flows into the cleaning tank, after standing is conducted for a period of time, concentrated liquid about 20 cm away from the bottom of the cleaning tank is discharged out of the inorganic membrane cleaning device through an efflux pump, and supernatant liquid enters the next time of cleaning. Electric heating and ultrasonic technologies are combined, the cleaning effect of the inorganic membrane is improved, the cleaning time is shortened, and the flux recovery rate is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of membrane separation cleaning device, especially a cleaning device applied to inorganic membrane separation system. BACKGROUND

[0002] In modern industrial processes, inorganic membrane separation systems are widely used in water treatment, food processing, pharmaceuticals, petroleum chemical industry and other fields. Inorganic membranes, such as ceramic membranes and silicon carbide membranes, are known for their excellent chemical stability, high temperature resistance and mechanical strength, and can provide high efficiency separation effect under harsh operating conditions. However, as the use time increases, the membrane surface may be contaminated by the deposition of suspended substances, organic matter, microorganisms or inorganic salts, resulting in a decrease in membrane flux and separation efficiency, and thus affecting the operation performance of the entire system.

[0003] To solve this problem, it is usually necessary to clean the inorganic membrane regularly to restore its performance. Traditional cleaning methods include physical cleaning (such as backwashing, gas-liquid pulse cleaning) and chemical cleaning (such as acid washing, alkali washing, enzyme washing). However, these methods often have problems such as incomplete cleaning, complex operation, high cost and possible damage to the membrane material. Therefore, the development of a high-efficiency, safe, economical and easy-to-operate cleaning device is of great significance to improve the long-term stability and economic benefit of inorganic membrane separation systems.

[0004] In view of the above problems, the utility model aims to provide a cleaning device applied to inorganic membrane separation system, which can significantly improve the cleaning effect and efficiency without increasing additional cost, thus better meeting the demand for efficient, economical and environmentally friendly cleaning technology in modern industrial production. SUMMARY

[0005] The utility model aims to provide a cleaning device applied to inorganic membrane separation system, which aims to solve the problem of insufficient cleaning effect and low cleaning efficiency of inorganic membranes in the prior art.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: an inorganic membrane assembly is provided, an ultrasonic device is arranged on the outer side wall of the inorganic membrane assembly, a cleaning circulation pipe is connected to the lower end outlet of the inorganic membrane assembly, a cleaning tank is connected to one end of the cleaning circulation pipe, a cleaning tank cleaning liquid discharge valve and a cleaning circulation pump are arranged on the right side of the lower end of the cleaning tank, a cleaning liquid inlet pipe is connected between the cleaning circulation pump and the upper end inlet of the inorganic membrane assembly, a cleaning tank concentrated liquid discharge valve and a blowdown pump are arranged on the left side of the lower end of the cleaning tank, and a heating device is further arranged in the cleaning tank.

[0007] As a preferred scheme of the utility model applied to the cleaning device of inorganic membrane separation system, wherein: the heating device includes power interface installed on the upper end cover of the cleaning tank, and the lower portion of the power interface is connected with a heater.

[0008] As a preferred scheme of the utility model applied to the cleaning device of inorganic membrane separation system, wherein: the length of the heater extends to the bottom of the cleaning tank.

[0009] As a preferred scheme of the utility model applied to the cleaning device of inorganic membrane separation system, wherein: the working temperature of the heating device is controlled at 45-55 o C.

[0010] As a preferred scheme of the utility model applied to the cleaning device of inorganic membrane separation system, wherein: the bottom of the cleaning tank is provided with a liquid level sensor at a height of 20 cm upwards, and the upper end cover of the cleaning tank is fixedly connected with a water replenishing pipe.

[0011] As a preferred scheme of the utility model applied to the cleaning device of inorganic membrane separation system, wherein: the upper portion of the inorganic membrane assembly is provided with an upper end cover, the lower portion of the inorganic membrane assembly is provided with a lower end cover, and the inorganic membrane assembly is detachably connected with buckles between the upper end cover and the lower end cover.

[0012] The utility model applied to the cleaning device of inorganic membrane separation system has the following beneficial effects:

[0013] By being provided with the ultrasonic device, the separation of dirt molecules and the surface of the inorganic membrane can be accelerated, the peeled dirt and deposits are taken away, meanwhile, it can also promote the chemical cleaning agent in the cleaning liquid to better penetrate into the tiny gap between the dirt and the membrane surface, thereby enhancing the cleaning effect, in addition, by being provided with the heating device and controlling the temperature of the cleaning liquid at 45-55 o C through the heating device, the dirt can be more easily penetrated and dissolved by the cleaning liquid, thereby effectively improving the cleaning efficiency and the cleaning effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0015] Figure 1 It is the overall structure schematic view of the cleaning device of inorganic membrane separation system.

[0016] Figure 2It is a sectional view of a cleaning tank in a cleaning device of an inorganic membrane separation system.

[0017] Figure 3 It is Figure 1 It is an enlarged view of area A.

[0018] Marked for explanation:

[0019] 100, inorganic membrane assembly; 101, cleaning inlet pipe; 102, cleaning circulation pipe; 103, upper end cover; 104, lower end cover;

[0020] 200, ultrasonic device;

[0021] 300, cleaning tank; 302, heating device; 3021, power supply interface; 3022, heater; 303, water replenishing pipe; 304, liquid level sensor; 305, cleaning tank concentrated liquid blowdown valve; 306, cleaning tank cleaning liquid discharge valve;

[0022] 400, buckle;

[0023] 500, blowdown pump;

[0024] 600, cleaning circulation pump; Specific embodiments

[0025] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings of the specification.

[0026] Referring to Figures 1-2 The utility model provides a kind of cleaning device applied to inorganic membrane separation system, its inorganic membrane assembly 100, the outer side wall of inorganic membrane assembly 100 is equipped with ultrasonic device 200, ultrasonic device 200 is connected with external power supply, by starting ultrasonic device 200, it can accelerate the separation of dirt molecule and inorganic membrane surface, take away the dirt and deposit that have been stripped, simultaneously, it can also promote the chemical cleaning agent in cleaning liquid to better penetrate into the tiny gap between dirt and membrane surface, to enhance cleaning effect;

[0027] The lower end outlet of the inorganic membrane assembly 100 is connected with a cleaning circulation pipe 102, one end of the cleaning circulation pipe 102 is connected with a cleaning tank 300, the right side of the lower end of the cleaning tank 300 is provided with a cleaning tank cleaning liquid discharge valve 306 and a cleaning circulation pump 600, the cleaning circulation pump 600 is connected with a cleaning liquid inlet pipe 101 at the upper end of the inorganic membrane assembly 100, the left side of the lower end of the cleaning tank 300 is provided with a cleaning tank concentrated liquid blowdown valve 305 and a blowdown pump 500, which is used to discharge the concentrated liquid after standing to the outside of the cleaning tank 300, the cleaning tank 300 is also provided with a heating device 302, which is used to heat the cleaning liquid, promote the dirt and cleaning dissolution, and enhance the cleaning effect, the upper end of the inorganic membrane assembly 100 is provided with an upper end cover 103, the lower end of the inorganic membrane assembly 100 is provided with a lower end cover 104, the inorganic membrane assembly 100 is detachably connected with the upper end cover 103 and the lower end cover 104 through buckles 400, which can quickly open the upper end cover 103 or the lower end cover 104 and disassemble and assemble the inorganic membrane assembly 100;

[0028] The heating device 302 includes a power interface 3021 installed on the upper end cover of the cleaning tank 300, which is used to connect with the external power supply, the lower end of the power interface 3021 is connected with a heater 3022, the length of the heater 3022 extends to the bottom of the cleaning tank 300, so that the heater 3022 can uniformly heat the medicament and clean water in the cleaning tank 300, accelerate the mixing of the medicament and clean water, and the working temperature of the heating device 302 is controlled at 45-55 o C, which can make the dirt more easily penetrated and dissolved by the cleaning liquid, promote the cleaning effect, and improve the cleaning efficiency;

[0029] The upper end cover of the cleaning tank 300 is fixedly connected with a water replenishing pipe 303, the bottom of the cleaning tank 300 is provided with a liquid level sensor 304 at a height of 20 cm upward, which is used to detect the liquid level of the concentrated liquid and control the working of the blowdown pump 500, when the standing concentrated liquid is discharged, the blowdown pump 500 is sent a stop signal to close the cleaning tank concentrated liquid blowdown valve 305, so as to retain the standing cleaning liquid and use it for the next cleaning.

[0030] In use, first, manually add medicament and clean water into the cleaning tank 300 from the water replenishing pipe 303, control the temperature at 45-55 oWhen the temperature between the water in the tank 300 and the water in the tank 200 is between 40-80 DEG C, hot water is generated, the mixing of the medicine and the water is promoted, and the cleaning solution is formed, then the cleaning solution is pumped into the inorganic membrane assembly 100 through the cleaning tank cleaning solution discharge valve 306 and the cleaning circulation pump 600, and the cleaning solution is circulated and cleaned, at the same time, the ultrasonic device 200 is opened to promote the cleaning effect, after multiple cycles, the cleaning circulation pump 600, the cleaning tank cleaning solution discharge valve 306 and the ultrasonic device 200 are closed, the cleaning waste water flows into the cleaning tank 300, and is left for a period of time, after the leaving, there is about 20 cm of concentrated liquid at the bottom of the cleaning tank 300, the cleaning tank concentrated liquid discharge valve 305 is opened, the concentrated liquid is discharged to the outside of the cleaning tank 300 through the starting of the blowdown pump 500, and the upper clear liquid left in the cleaning tank 300 is used for the next cleaning work;

[0031] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, not to limit it. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A cleaning device for an inorganic membrane separation system, characterized by: Including, The inorganic membrane assembly (100) is provided with an ultrasonic device (200) on the outer side wall, and the lower end outlet of the inorganic membrane assembly (100) is connected with a cleaning circulation pipe (102), one end of the cleaning circulation pipe (102) is connected with a cleaning tank (300), the right side of the lower end of the cleaning tank (300) is provided with a cleaning tank cleaning liquid discharge valve (306) and a cleaning circulation pump (600), the cleaning circulation pump (600) is connected with a cleaning liquid inlet pipe (101) at the upper end inlet of the inorganic membrane assembly (100), the left side of the lower end of the cleaning tank (300) is provided with a cleaning tank concentrated liquid blowdown valve (305) and a blowdown pump (500), and the cleaning tank (300) is further provided with a heating device (302).

2. The cleaning device for an inorganic membrane separation system according to claim 1, wherein: The heating device (302) comprises a power interface (3021) mounted on the upper end cover of the cleaning tank (300), and a heater (3022) is connected below the power interface (3021).

3. The cleaning device for an inorganic membrane separation system according to claim 2, wherein: The length of the heater (3022) extends to the bottom of the cleaning tank (300).

4. The cleaning device for an inorganic membrane separation system according to claim 3, wherein: The working temperature of the heating device (302) is controlled at 45-55 degrees.

5. The cleaning device for an inorganic membrane separation system according to claim 4, wherein: A liquid level sensor (304) is arranged at a height of 20 cm upward from the bottom of the cleaning tank (300), and a water replenishing pipe (303) is fixedly connected to the upper end cover of the cleaning tank (300).

6. The cleaning device for an inorganic membrane separation system according to claim 5, wherein: An upper end cover (103) is arranged above the inorganic membrane assembly (100), a lower end cover (104) is arranged below the inorganic membrane assembly (100), and a buckle (400) is detachably connected between the inorganic membrane assembly (100), the upper end cover (103) and the lower end cover (104).

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