Water circulation system device for non-woven fabric production through spunlace method

Abstract

The utility model discloses a water circulation system device for non-woven fabric production through a spunlace method. The water circulation system device comprises a pretreatment module, a chemical treatment module, a deep purification module and a water storage and recycling module. According to the water circulation system, the components such as the pretreatment module, the chemical treatment module, the deep purification module and the water storage and recycling module are arranged, and the water circulation system integrating frequent filtration, chemical treatment and intelligent regulation and control functions can improve the filtration treatment effect on circulating water; according to the present invention, the use amount of the chemical agent can be effectively reduced, the use cost can be reduced, the service life of the filtration assembly can be prolonged, the stable filtration effect can be maintained, the problems of low circulating water treatment efficiency, non-uniform flocculant mixing, microorganism breeding and the like in the traditional spunlace process can be solved, and the strong practicality can be provided.

Description

Technical Field

[0001] This utility model relates to the field of spunlace nonwoven fabric production, specifically a water circulation system device for spunlace nonwoven fabric production. Background Technology

[0002] In the production of hydroentangled nonwoven fabrics, the wastewater after high-pressure water jetting contains pollutants such as fiber debris, oil, and chemical additives, and needs to be treated and recycled. Existing technologies have the following problems:

[0003] 1. Low flocculant mixing efficiency: Traditional flotation tanks lack a stirring device after adding chemicals, resulting in slow mixing of flocculant and water, which affects the removal efficiency of suspended solids.

[0004] 2. Insufficient microbial control: Long-term use of circulating water can easily lead to bacterial growth, affecting product quality.

[0005] 3. Oil residue: Oil in wastewater requires multiple chemical treatments, which is energy-intensive and easily clogs filters. Utility Model Content

[0006] The purpose of this invention is to provide a water circulation system device for the production of hydroentangled nonwoven fabrics, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a water circulation system device for the production of spunlace nonwoven fabric, including a pretreatment module, a chemical treatment module at the rear end of the pretreatment module, a deep purification module connected at the rear end of the chemical treatment module, and a water storage and reuse module connected at the rear end of the deep purification module.

[0008] The pretreatment module includes a vacuum suction dehydrator, a water collection tank, a primary filter, and a secondary filter. The water outlet of the vacuum suction dehydrator is connected to the water collection tank, the water outlet of the water collection tank is connected to the primary filter, and the water outlet of the primary filter is equipped with a secondary filter.

[0009] Preferably, the primary filter includes a sand filter and a metal cartridge filter, wherein the inlet of the sand filter is connected to a water collection tank and the outlet of the sand filter is connected to the metal cartridge filter.

[0010] Preferably, the chemical treatment module includes a primary air flotation tank, a secondary air flotation tank, a dissolved air tank, and a dosing device. The bottom left end of the primary air flotation tank is connected to the outlet end of the metal filter cartridge. The right side of the primary air flotation tank is connected to the secondary air flotation tank. Each of the primary and secondary air flotation tanks has a set of dissolved air tanks at its front end. The two sets of dissolved air tanks are respectively connected to the interior of the primary and secondary air flotation tanks. The dosing device is connected to the top of the primary and secondary air flotation tanks respectively through a diversion pipe.

[0011] Preferably, the deep purification module includes a detection tank, a high-efficiency chemical oil remover, a return pipe, an ozone generator, and a fiber bundle filter. The right end of the detection tank is connected to the secondary filter, the inner end is connected to the high-efficiency chemical oil remover, and the top end is connected to the front top of the primary flotation tank through a set of return pipes. An ozone generator is provided at the front end of the detection tank, and a set of fiber bundle filters is connected to the outlet end of the ozone generator.

[0012] Preferably, the water storage and reuse module includes a water storage tank, a precision filter, and a pressurizing device. The water inlet of the water storage tank is connected to the fiber bundle filter, the water outlet is connected to the precision filter, and the water outlet of the precision filter is connected to the pressurizing device.

[0013] Preferably, the water inlet of the vacuum suction dehydrator and the water outlet of the pressurizing device are both connected to a set of hydroentanglement machines.

[0014] Preferably, the chemical treatment module is located between the metal filter cartridge filter and the secondary filter.

[0015] Preferably, both the primary and secondary air flotation tanks are equipped with a stirring mechanism.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. This application uses dissolved air tanks and dosing devices connected to the primary and secondary air flotation tanks, and the primary and secondary air flotation tanks are integrated with stirring mechanisms, which can realize dynamic stirring and intelligent dosing. Combined with online sensors, the flocculant dosage can be automatically adjusted, improving the mixing efficiency by more than 30%.

[0018] 2. This application, by incorporating a high-efficiency chemical oil separator and an ozone water generator, enables synergistic ozone sterilization. The combined use of the ozone water generator and the high-efficiency chemical oil separator reduces the amount of chemical reagents used and extends the filter's lifespan.

[0019] 3. This application uses sensors installed in the water storage tank to detect the data linkage between the sensors in the detection pool and the water storage tank. Through a PLC control system, it realizes water quality abnormality alarm and automatic adjustment of processing parameters, which can achieve multi-level water quality monitoring. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model.

[0021] In the diagram: Pretreatment module-1, Chemical treatment module-2, Deep purification module-3, Water storage and reuse module-4, Vacuum suction dehydrator-11, Water collection tank-12, Primary filter-13, Secondary filter-14, Sand filter-131, Metal filter cartridge filter-132, Primary air flotation tank-21, Secondary air flotation tank-22, Dissolved air tank-23, Dosing device-24, Detection tank-31, High-efficiency chemical oil remover-32, Return pipe-33, Ozone water machine-34, Fiber bundle filter-35, Water storage tank-41, Precision filter-42, Pressurization device-43. Detailed Implementation

[0022] To further explain the technical solution of this utility model, a detailed description is provided below through specific embodiments.

[0023] Please see Figure 1 This utility model provides a water circulation system device for the production of hydroentangled nonwoven fabric, including a pretreatment module 1, a chemical treatment module 2 at the rear end of the pretreatment module 1, a deep purification module 3 connected to the rear end of the chemical treatment module 2, and a water storage and reuse module 4 connected to the rear end of the deep purification module 3. Water flows into the pretreatment module 1 and sequentially through the chemical treatment module 2 and the deep purification module 3, and finally flows out from the water storage and reuse module 4. The water inlet of the vacuum suction dewatering machine 11 and the water outlet of the pressurizing device 43 are both connected to a set of hydroentanglement machines, which can realize the closed-loop circulation of water.

[0024] Please see Figure 1 This utility model provides a water circulation system device for the production of spunlace nonwoven fabric. The pretreatment module 1 includes a vacuum suction dewatering machine 11, a water collection tank 12, a primary filter 13 and a secondary filter 14. The water inlet of the vacuum suction dewatering machine 11 is connected to the spunlace machine, which can initially separate fibers and wastewater. The water outlet of the vacuum suction dewatering machine 11 is connected to the water collection tank 12, which can discharge the separated wastewater into the water collection tank 12. The water outlet of the water collection tank 12 is connected to the primary filter 13, and the water outlet of the primary filter 13 is equipped with a secondary filter 14.

[0025] The primary filter 13 includes a sand filter 131 and a metal cartridge filter 132. The inlet of the sand filter 131 is connected to the water collection tank 12, and the outlet is connected to the metal cartridge filter 132. It can remove large particles from the water. Furthermore, the secondary filter 14 is a bag filter, which can adsorb oil and improve the filtration effect.

[0026] Please see Figure 1This utility model provides a water circulation system device for the production of spunlace nonwoven fabric. The chemical treatment module 2 includes a primary flotation tank 21, a secondary flotation tank 22, a dissolved air tank 23, and a dosing device 24. The bottom left end of the primary flotation tank 21 is connected to the outlet end of the metal filter cartridge 132. The right side of the primary flotation tank 21 is connected to the secondary flotation tank 22 and communicates with its interior to facilitate water flow. Each of the primary flotation tank 21 and the secondary flotation tank 22 has a set of dissolved air tanks 23 at its front end. The two sets of dissolved air tanks 23 are respectively connected to the primary flotation tank 21 and the secondary flotation tank 22. The tank 22 is internally connected, and the dissolved air tank 23 can inject microbubbles into the primary flotation tank 21 and the secondary flotation tank 22. The dosing device 24 is connected to the top of the primary flotation tank 21 and the secondary flotation tank 22 respectively through a set of diversion pipes, and can automatically add flocculant and pH adjuster into the primary flotation tank 21 and the secondary flotation tank 22. Both the primary flotation tank 21 and the secondary flotation tank 22 are equipped with a stirring mechanism. The stirring mechanism is driven by a motor to rotate the stirring rod and blades, which can accelerate the mixing of flocculant and water, improve the removal rate of suspended solids, and enhance the filtration and separation effect.

[0027] Furthermore, the chemical treatment module 2 is located between the metal filter cartridge 132 and the secondary filter 14, which can treat the water first and then filter it again by the secondary filter 14, thereby improving the filtration effect and extending the service life of the secondary filter 14.

[0028] Please see Figure 1 This utility model provides a water circulation system device for the production of spunlace nonwoven fabric. The deep purification module 3 includes a detection tank 31, a high-efficiency chemical oil remover 32, a return pipe 33, an ozone generator 34, and a fiber bundle filter 35. The right end of the detection tank 31 is connected to the secondary filter 14, the inner end is connected to the high-efficiency chemical oil remover 32, and the top end is connected to the front top of the primary flotation tank 21 through a set of return pipes 33. The high-efficiency chemical oil remover 32 can monitor the oil content in real time in conjunction with the detection tank 31 and adjust the treatment parameters through the return pipes 33. The front end of the detection tank 31 is connected to a set of ozone generators 34, which can kill microorganisms and prevent bacterial growth. The outlet end of the ozone generator 34 is connected to a set of fiber bundle filters 35, which can further adsorb small particles to ensure that the water quality meets the standards.

[0029] Please see Figure 1This utility model provides a water circulation system device for the production of hydroentangled nonwoven fabric. The water storage and reuse module 4 includes a water tank 41, a precision filter 42, and a pressurizing device 43. The water tank 41 can store purified water and is equipped with a water quality sensor to monitor the pH, turbidity, and COD of the water. The water inlet of the water tank 41 is connected to the fiber bundle filter 35 to facilitate water intake. The water outlet is connected to the precision filter 42, and the water outlet of the precision filter 42 is connected to the pressurizing device 43. The pressurizing device 43 can send the water back to the hydroentanglement machine, thereby forming a closed loop circulation.

[0030] The working principle is as follows:

[0031] After the wastewater is separated from the fibers by the vacuum suction dewatering machine 11, it passes sequentially through the sand filter 131, the metal filter cartridge 132, the primary air flotation tank 21, the secondary air flotation tank 22, and the secondary filter. The wastewater enters the primary air flotation tank 21, where the dissolved air tank 23 injects microbubbles into the primary air flotation tank 21, and the dosing device 24 adds flocculant. The stirring mechanism mixes the water at a speed of 200-500 r / min to improve the removal rate of suspended solids. This process is repeated in the secondary air flotation tank to further improve the purification effect. After being sterilized by the ozone water machine 34, the wastewater can enter the water storage tank 41 through the fiber bundle filter 35. After the water quality in the water storage tank 41 meets the standards, it is transported to the hydroentangling machine by the pressurization device 43 to complete the closed-loop circulation.

[0032] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A water circulation system device for the production of hydroentangled nonwoven fabrics, characterized in that: It includes a pretreatment module (1), a chemical treatment module (2) is provided at the rear end of the pretreatment module (1), a deep purification module (3) is connected at the rear end of the chemical treatment module (2), and a water storage and reuse module (4) is connected at the rear end of the deep purification module (3). The pretreatment module (1) includes a vacuum suction dehydrator (11), a water collection tank (12), a primary filter (13) and a secondary filter (14). The water outlet of the vacuum suction dehydrator (11) is connected to the water collection tank (12), the water outlet of the water collection tank (12) is connected to the primary filter (13), and the water outlet of the primary filter (13) is equipped with a secondary filter (14).

2. The water circulation system device for hydroentangled nonwoven fabric production according to claim 1, characterized in that: The primary filter (13) includes a sand filter (131) and a metal filter cartridge (132). The inlet of the sand filter (131) is connected to the water collection tank (12), and the outlet is connected to the metal filter cartridge (132).

3. The water circulation system device for hydroentangled nonwoven fabric production according to claim 1, characterized in that: The chemical treatment module (2) includes a primary flotation tank (21), a secondary flotation tank (22), a dissolved air tank (23), and a dosing device (24). The bottom left end of the primary flotation tank (21) is connected to the outlet end of the metal filter cartridge (132). The right side of the primary flotation tank (21) is connected to the secondary flotation tank (22). Both the primary flotation tank (21) and the secondary flotation tank (22) are equipped with a set of dissolved air tanks (23) at their front ends. The two sets of dissolved air tanks (23) are respectively connected to the interior of the primary flotation tank (21) and the secondary flotation tank (22). The dosing device (24) is connected to the top of the primary flotation tank (21) and the secondary flotation tank (22) respectively through a group of diversion pipes.

4. The water circulation system device for hydroentangled nonwoven fabric production according to claim 1, characterized in that: The deep purification module (3) includes a detection tank (31), a high-efficiency chemical oil remover (32), a return pipe (33), an ozone water generator (34), and a fiber bundle filter (35). The right end of the detection tank (31) is connected to the secondary filter (14), the inner end is connected to the high-efficiency chemical oil remover (32), and the top end is connected to the front top of the primary air flotation tank (21) through a set of return pipes (33). An ozone water generator (34) is provided at the front end of the detection tank (31), and a set of fiber bundle filters (35) is connected to the outlet end of the ozone water generator (34).

5. The water circulation system device for hydroentangled nonwoven fabric production according to claim 1, characterized in that: The water storage and reuse module (4) includes a water tank (41), a precision filter (42) and a pressurizing device (43). The water inlet of the water tank (41) is connected to the fiber bundle filter (35), and the water outlet is connected to the precision filter (42). The water outlet of the precision filter (42) is connected to the pressurizing device (43).

6. The water circulation system device for hydroentangled nonwoven fabric production according to claim 5, characterized in that: The inlet of the vacuum suction dehydrator (11) and the outlet of the pressurizing device (43) are both connected to a set of hydroentanglement machines.

7. The water circulation system device for hydroentangled nonwoven fabric production according to claim 3, characterized in that: The chemical processing module (2) is located between the metal filter cartridge filter (132) and the secondary filter (14).

8. The water circulation system device for hydroentangled nonwoven fabric production according to claim 3, characterized in that: Both the primary flotation tank (21) and the secondary flotation tank (22) are equipped with stirring mechanisms.

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