Pretreatment box for treating laundry detergent production wastewater

Abstract

The utility model relates to the technical field of wastewater treatment, in particular to a pretreatment box for treating laundry detergent production wastewater, which comprises a tank body, a filter screen plate is fixed in the tank body through bolts, a stirring assembly is arranged at the top of the filter screen plate, and the stirring assembly comprises a protective box fixed at the top of the filter screen plate through bolts. A driving motor is mounted in the protection box through a mounting frame, an output shaft, located at the bottom of the filter screen plate, of the driving motor is connected with a connecting rod through a connecting sleeve, and stirring rods are welded to the outer side of the connecting rod at equal intervals; a funnel cover is fixed in the tank body at the bottom of the filter screen plate through bolts; the driving motor drives the connecting rod and the stirring rod on the outer side of the connecting rod to rotate, wastewater in the funnel cover is mixed with a medicament, the wastewater is treated through the medicament, operation is simple, the treated wastewater in the funnel cover falls off by opening the electric valve, the wastewater can be filtered through the first filtering block and the second filtering block, and the wastewater treatment efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a pretreatment box for treating wastewater from laundry detergent production. Background Art

[0002] Liquid laundry detergent is a liquid detergent primarily used for washing heavily soiled fabrics such as underwear, outerwear, and bedding. It has a high cleaning power, dissolves quickly in water, and is less alkaline and gentler than powdered laundry, thus minimizing damage to clothing.

[0003] A large amount of wastewater is generated during the production process of laundry detergent. This wastewater needs to be pre-treated before being discharged and then discharged into the wastewater equipment for treatment to meet the emission standards.

[0004] Patent announcement number CN215975295U discloses an energy-saving laundry detergent production wastewater treatment device, including a mixing box, a first filter screen and a second filter screen. A wastewater pipe is embedded and installed on one side of the mixing box, and the first filter screen is inserted into the wastewater pipe from the first plug hole. A feeding pipe is embedded and installed on the top of the mixing box. First brush plates are symmetrically welded on both sides of the movable rod, and a stirring rod is welded on the movable rod on the opposite side of the two first brush plates. A second brush plate is welded on the end of the connecting rod away from the movable rod, and a crank is welded on the end of the movable rod away from the wastewater pipe. A drain pipe is embedded and installed at the bottom of the mixing box, and the second filter screen is inserted into the drain pipe from the second plug hole. The utility model has the function of manually mixing the wastewater and additives inside the mixing box, which is not only energy-saving and environmentally friendly, but also can scrape off impurities stuck on the inner wall of the mixing box.

[0005] The above-mentioned energy-saving laundry detergent production wastewater treatment device has the following shortcomings: it is necessary to manually rotate the stirring rod to mix the wastewater and the additive, which is laborious to operate and the wastewater cannot be effectively treated by mixing the chemicals alone. Therefore, a pretreatment box for treating laundry detergent production wastewater is proposed. The stirring rod is driven by a driving motor to rotate to mix the wastewater and the chemicals in the funnel cover. The operation is simple, and the wastewater can be filtered through the first filter block and the second filter block. Utility Model Content

[0006] In response to the problems in the existing technology, the utility model provides a pretreatment box for treating laundry detergent production wastewater. The wastewater in the funnel cover is mixed with the reagent by driving a stirring rod driven by a driving motor. The operation is simple, and the wastewater can be filtered through a first filter block and a second filter block.

[0007] The technical solution adopted by the utility model to solve the technical problem is a pretreatment tank for treating laundry liquid production wastewater, comprising a tank body, a filter screen plate fixed inside the tank body by bolts, a stirring assembly provided on the top of the filter screen plate, the stirring assembly comprising a protective box fixed to the top of the filter screen plate by bolts, a driving motor installed inside the protective box by a mounting frame, the output shaft of the driving motor located at the bottom of the filter screen plate is connected to a connecting rod through a connecting sleeve, and stirring rods are welded equidistantly on the outside of the connecting rod;

[0008] The tank body is located at the bottom of the filter screen plate and is fixed with a funnel cover by bolts. The bottom of the funnel cover is connected to an electric valve through a threaded groove. The tank body is located at the bottom of the funnel cover and is installed with a first filter block through a mounting bracket. The tank body is located at the bottom of the first filter block and is installed with a second filter block through a mounting bracket.

[0009] By adopting the above technical solution, the driving motor drives the connecting rod and the stirring rod outside it to rotate, so as to mix the wastewater and the reagent in the funnel cover, treat the wastewater by the reagent, open the electric valve to allow the treated wastewater in the funnel cover to fall, and the first filter block and the second filter block can filter the wastewater.

[0010] Specifically, the first filter block is made of quartz sand, and the second filter block is made of activated carbon.

[0011] Specifically, one end of the tank body is connected to a water inlet valve through a pipeline, and one end of the tank body located at the bottom of the water inlet valve is connected to a liquid inlet valve through a pipeline.

[0012] Specifically, an inspection door is provided on one side of the tank body, and the tank door is hingedly connected to one side of the tank body located at the bottom of the inspection door through a hinge.

[0013] Specifically, one end of the tank body away from the liquid inlet valve is connected to a drain valve through a pipeline.

[0014] Specifically, a sealing sleeve is provided at the bottom of the protection box outside the connecting rod, and the sealing sleeve passes through the filter plate.

[0015] Beneficial effects of the utility model:

[0016] (1) The utility model discloses a pretreatment box for treating wastewater from laundry detergent production. Wastewater and chemicals flow into a funnel cover. The driving motor is turned on to drive the connecting rod and the stirring rod outside the connecting rod to rotate at high speed, so that the chemicals in the funnel cover and the wastewater can be mixed, and the wastewater can be treated by the chemicals.

[0017] (2) The utility model discloses a pretreatment box for treating wastewater produced by laundry detergent. The electric valve is opened to allow the mixed and treated wastewater to flow down. The falling wastewater passes through the first filter block and the second filter block in sequence. The first filter block made of quartz sand material and the second filter block made of activated carbon material filter the wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a cross-sectional view of the tank body of the present utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the stirring assembly of the present utility model;

[0022] In the figure: 1. Tank body; 2. Filter screen; 3. Stirring assembly; 301. Protective box; 302. Drive motor; 303. Connecting rod; 304. Stirring rod; 305. Sealing sleeve; 4. Funnel cover; 5. Electric valve; 6. First filter block; 7. Second filter block; 8. Water inlet valve; 9. Liquid inlet valve; 10. Drain valve; 11. Inspection door; 12. Tank door. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] The driving motor drives the stirring rod to rotate to mix the wastewater and the reagent in the funnel cover. The operation is simple, and the wastewater can be filtered through the first filter block and the second filter block. Figure 1-3 As shown, the utility model discloses a pretreatment tank for treating laundry detergent production wastewater, comprising a tank body 1, a filter screen plate 2 fixed inside the tank body 1 by bolts, a stirring assembly 3 provided on the top of the filter screen plate 2, the stirring assembly 3 comprising a protective box 301 fixed to the top of the filter screen plate 2 by bolts, a drive motor 302 installed inside the protective box 301 via a mounting frame, the output shaft of the drive motor 302 located at the bottom of the filter screen plate 2 is connected to a connecting rod 303 via a connecting sleeve, and stirring rods 304 are welded equidistantly on the outside of the connecting rod 303;

[0025] The tank body 1 is located at the bottom of the filter screen plate 2 and is fixed with a funnel cover 4 by bolts. The bottom of the funnel cover 4 is connected to an electric valve 5 through a threaded groove. The tank body 1 is located at the bottom of the funnel cover 4 and is installed with a first filter block 6 through a mounting bracket. The tank body 1 is located at the bottom of the first filter block 6 and is installed with a second filter block 7 through a mounting bracket.

[0026] During use, the driving motor 302 drives the connecting rod 303 and the stirring rod 304 outside it to rotate, mix the wastewater and the medicine in the funnel cover 4, treat the wastewater with the medicine, open the electric valve 5 to allow the treated wastewater in the funnel cover 4 to fall, and the first filter block 6 and the second filter block 7 can filter the wastewater.

[0027] For example, Figure 2 As shown, the present invention also includes that the first filter block 6 is made of quartz sand material, and the second filter block 7 is made of activated carbon material.

[0028] When in use, the first filter block 6 made of quartz sand material and the second filter block 7 made of activated carbon material can effectively filter wastewater.

[0029] For example, Figure 1 As shown, the present invention further includes that one end of the tank body 1 is connected to a water inlet valve 8 through a pipeline, and one end of the tank body 1 located at the bottom of the water inlet valve 8 is connected to a liquid inlet valve 9 through a pipeline.

[0030] When in use, the water inlet valve 8 is opened to allow waste water to flow into the tank body 1 , and the liquid inlet valve 9 is opened to allow the medicine to flow into the tank body 1 .

[0031] For example, Figure 1 As shown, the present invention further includes that an inspection door 11 is provided on one side of the tank body 1, and a tank door 12 is hingedly connected to one side of the tank body 1 located at the bottom of the inspection door 11 through a hinge.

[0032] When in use, the first filter block 6 and the second filter block 7 can be cleaned and replaced by opening the inspection door 11 , and the impurities, particulate matter, etc. filtered on the filter screen plate 2 can be cleaned by opening the tank door 12 .

[0033] For example, Figure 1 As shown, the present invention further includes that one end of the tank body 1 away from the liquid inlet valve 9 is connected to a drain valve 10 through a pipeline.

[0034] When in use, the waste water in the tank body 1 can be discharged by opening the drain valve 10 .

[0035] For example, Figure 3As shown, the present invention further includes that a sealing sleeve 305 is provided at the bottom of the protection box 301 outside the connecting rod 303 , and the sealing sleeve 305 passes through the filter screen plate 2 .

[0036] When in use, the sealing sleeve 305 can seal between the connecting rod 303 and the protective box 301 without affecting the rotation of the connecting rod 303 .

[0037] When the utility model is in use, a person uses a power cord to connect the device to an external power source, opens the water inlet valve 8 to allow wastewater to flow into the tank body 1, and the wastewater entering the tank body 1 is filtered by the filter screen 2, which can filter out particulate matter, impurities, etc. in the wastewater;

[0038] The filtered wastewater flows into the funnel cover 4 through the filter screen 2. The liquid inlet valve 9 is opened to allow the reagent to flow into the funnel cover 4 through the liquid inlet valve 9. The drive motor 302 is turned on to drive the connecting rod 303 and the stirring rod 304 outside it to rotate at high speed, so that the reagent in the funnel cover 4 and the wastewater can be mixed, and the wastewater can be treated by the reagent.

[0039] After the reagent and wastewater are treated, the electric valve 5 is opened to allow the mixed and treated wastewater to flow down. The falling wastewater passes through the first filter block 6 and the second filter block 7 in sequence. The first filter block 6 made of quartz sand material and the second filter block 7 made of activated carbon material filter the wastewater.

[0040] The filtered wastewater falls to the bottom of the tank body 1. It can be discharged by opening the drain valve 10. The particles and impurities filtered on the filter plate 2 can be cleaned by opening the inspection door 11. The first filter block 6 and the second filter block 7 can be cleaned and replaced by opening the tank door 12.

[0041] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A pretreatment tank for treating laundry detergent production wastewater, characterized in that: The invention comprises a tank body (1), wherein a filter screen plate (2) is fixed inside the tank body (1) by bolts, a stirring assembly (3) is provided on the top of the filter screen plate (2), the stirring assembly (3) comprises a protective box (301) fixed to the top of the filter screen plate (2) by bolts, a driving motor (302) is installed inside the protective box (301) via a mounting frame, an output shaft of the driving motor (302) located at the bottom of the filter screen plate (2) is connected to a connecting rod (303) via a connecting sleeve, and stirring rods (304) are welded equidistantly on the outside of the connecting rod (303); The tank body (1) is located at the bottom of the filter screen plate (2), and a funnel cover (4) is fixed to the inside via bolts. The bottom of the funnel cover (4) is connected to an electric valve (5) via a threaded groove. The tank body (1) is located at the bottom of the funnel cover (4), and a first filter block (6) is installed via a mounting frame. The tank body (1) is located at the bottom of the first filter block (6), and a second filter block (7) is installed via a mounting frame.

2. A pretreatment tank for treating laundry detergent production wastewater according to claim 1, characterized in that: The first filter block (6) is made of quartz sand material, and the second filter block (7) is made of activated carbon material.

3. A pretreatment tank for treating laundry detergent production wastewater according to claim 1, characterized in that: One end of the tank body (1) is connected to a water inlet valve (8) via a pipeline, and one end of the tank body (1) located at the bottom of the water inlet valve (8) is connected to a liquid inlet valve (9) via a pipeline.

4. A pretreatment tank for treating laundry detergent production wastewater according to claim 1, characterized in that: An inspection door (11) is provided on one side of the tank body (1), and a tank door (12) is hingedly connected to one side of the tank body (1) located at the bottom of the inspection door (11).

5. A pretreatment tank for treating laundry detergent production wastewater according to claim 1, characterized in that: One end of the tank body (1) away from the liquid inlet valve (9) is connected to a drain valve (10) via a pipeline.

6. A pretreatment tank for treating laundry detergent production wastewater according to claim 1, characterized in that: A sealing sleeve (305) is provided at the bottom of the protection box (301) outside the connecting rod (303), and the sealing sleeve (305) passes through the filter screen plate (2).

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