Food wastewater treatment device

Abstract

The utility model belongs to the technical field of food wastewater treatment, and particularly relates to a food wastewater treatment device which comprises a box body, an ultrasonic transducer is fixedly mounted in a mounting groove, a control panel is mounted on the outer wall of the box body, and the control panel is connected with the ultrasonic transducer through an internal circuit. A flocculation box is welded to the side wall of the box body, a flocculating agent is contained in the flocculation box, the bottom side of the flocculation box is connected with a material conveying pipe, a first electromagnetic valve is installed on the material conveying pipe, ultrasonic waves are emitted downwards through an ultrasonic transducer, and the ultrasonic waves are reflected back to the ultrasonic transducer after meeting the liquid level of wastewater; the ultrasonic transducer calculates the time difference between sending and receiving and calculates the distance between the wastewater liquid level and the ultrasonic transducer, then the ultrasonic transducer sends a processing signal to the control panel, and the control panel controls the opening time of the first electromagnetic valve through the processing signal, so that the adding amount of a flocculating agent is controlled, and the wastewater treatment efficiency is improved. And the material adding effect can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of food wastewater treatment, in particular to a food wastewater treatment device. Background Art

[0002] my country's food industry is relatively developed. A large amount of wastewater is generated in the process of food production. These wastewaters need to be treated accordingly before they can be discharged to avoid damage to the environment. In the process of treating food wastewater, food wastewater treatment equipment is required.

[0003] A Chinese patent with publication number CN207645956U discloses a wastewater treatment device. The patented technology reduces the filter hole sizes of the first filter, the second filter and the third filter in sequence, so as to facilitate the layered filtration of impurities in the wastewater, and the filtration effect is good. A stirring motor is installed at the bottom of the second treatment tank to facilitate the stirring of the wastewater in the second treatment tank, facilitate the full mixing of the flocculant and the wastewater, and improve the wastewater treatment efficiency.

[0004] The existing food wastewater treatment device is unable to control the amount of flocculant added during the flocculation and sedimentation of organic matter in the wastewater, which easily leads to excessive or insufficient addition of flocculant, resulting in waste of resources or poor sedimentation effect, resulting in poor feeding effect of the device; therefore, a food wastewater treatment device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model proposes a food wastewater treatment device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a food wastewater treatment device described in the utility model comprises a box body, a feed pipe is connected to the top plate of the box body, the interior of the box body is respectively a sedimentation chamber, a flocculation chamber and an adsorption chamber, the bottom plate of the sedimentation chamber is a filter plate, a protective cover is welded to the top of the side wall of the flocculation chamber, a mounting groove is opened inside the protective cover, an ultrasonic transducer is fixedly installed in the mounting groove, a control panel is installed on the outer wall of the box body, the control panel is connected to the ultrasonic transducer through an internal circuit, a flocculation box is welded on the side wall of the box body, flocculant is installed in the flocculation box, a feed pipe is connected to the bottom side of the flocculation box, the other end of the feed pipe passes through the side wall of the flocculation chamber and extends into the flocculation chamber, and a feed pipe is installed on the feed pipe. A first solenoid valve is provided, which is connected to the control panel through a wire. A protective box is welded to the bottom side of the filter plate, and a motor is installed in the protective box. A stirring rod is rotatably installed between the bottom wall of the protective box and the bottom plate of the flocculation chamber through a bearing. Ultrasonic waves are emitted downward through an ultrasonic transducer. After encountering the wastewater surface, the ultrasonic wave is reflected back to the ultrasonic transducer. The ultrasonic transducer calculates the time difference between sending and receiving, and calculates the distance between the wastewater surface and the ultrasonic transducer. After that, the ultrasonic transducer sends the processed signal to the control panel. The control panel controls the opening time of the first solenoid valve through the processed signal, thereby realizing the amount of flocculant added. This structure realizes the amount of controlled addition of flocculant by setting the amount control structure, which is beneficial to improving the feeding effect.

[0007] Preferably, a stirring blade is installed on the stirring rod, a water outlet is opened on the side wall of the flocculation chamber, a filter is installed on the outer wall of the flocculation chamber at the water outlet, a water pipe is installed on the inner wall of the flocculation chamber at the water outlet, the other end of the water pipe is connected to the side wall of the adsorption chamber, a second solenoid valve is installed on the water pipe, the second solenoid valve is connected to the control panel through a wire, and is operated by a motor to drive the stirring rod to rotate, and the stirring rod drives the stirring blade to rotate, thereby achieving mixing and stirring of the wastewater and flocculant, which is beneficial to the full mixing of the flocculant with the wastewater and suspended matter.

[0008] Preferably, a mounting frame is welded on the inner wall of the adsorption chamber, an activated carbon adsorption plate is installed on the mounting frame, a drain outlet is connected to the bottom side of the side wall of the adsorption chamber, a drain pipe is installed on the outer wall of the adsorption chamber at the drain outlet, discharge pipes are installed on the side walls of the sedimentation chamber and the flocculation chamber, and a valve is installed on the discharge pipe, which is opened by the second solenoid valve. After being filtered through the filter net, the wastewater enters the adsorption chamber and is adsorbed by the activated carbon adsorption plate, thereby achieving purification of the wastewater. The purified wastewater is discharged from the drain pipe, which is beneficial to improving the purification efficiency of the wastewater.

[0009] The utility model is beneficial in that:

[0010] 1. The utility model emits ultrasonic waves downward through an ultrasonic transducer. After the ultrasonic waves encounter the wastewater surface, they are reflected back to the ultrasonic transducer. The ultrasonic transducer calculates the time difference between sending and receiving, and calculates the distance between the wastewater surface and the ultrasonic transducer. After that, the ultrasonic transducer sends the processed signal to the control panel. The control panel controls the opening time of the first solenoid valve through the processed signal, thereby realizing the amount of flocculant added. This structure realizes the amount of flocculant added by setting the amount control structure, which is beneficial to improving the feeding effect.

[0011] 2. The utility model drives the stirring rod to rotate through the operation of the motor, and the stirring rod drives the stirring blade to rotate, thereby achieving mixing and stirring of the wastewater and the flocculant, which is convenient for the flocculant to be fully mixed with the neutralized suspended matter in the wastewater. When the second solenoid valve is opened, the wastewater is filtered through the filter net and then enters the adsorption chamber, where it is adsorbed by the activated carbon adsorption plate, thereby achieving purification of the wastewater. The purified wastewater is discharged from the drain pipe, which is beneficial to improving the purification efficiency of the wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0013] Figure 1 It is a schematic diagram of a three-dimensional structure from a first-person perspective;

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure inside the box;

[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the ultrasonic transducer;

[0016] Figure 4 This is a schematic diagram of the three-dimensional structure of the flocculation box.

[0017] In the figure: 1. box body; 2. feed pipe; 3. sedimentation chamber; 4. flocculation chamber; 5. adsorption chamber; 6. filter plate; 7. protective cover; 8. mounting slot; 9. ultrasonic transducer; 10. control panel; 11. flocculation box; 12. feed pipe; 13. first solenoid valve; 14. filter screen; 15. water pipe; 16. second solenoid valve; 17. mounting frame; 18. activated carbon adsorption plate; 19. drain pipe; 20. discharge pipe; 21. valve; 22. protective box; 23. stirring rod; 24. stirring blade. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4As shown, a food wastewater treatment device comprises a box body 1, a feed pipe 2 is connected to the top plate of the box body 1, a sedimentation chamber 3, a flocculation chamber 4 and an adsorption chamber 5 are respectively arranged inside the box body 1, the bottom plate of the sedimentation chamber 3 is a filter plate 6, a protective cover 7 is welded to the top of the side wall of the flocculation chamber 4, a mounting groove 8 is opened inside the protective cover 7, an ultrasonic transducer 9 is fixedly installed in the mounting groove 8, a control panel 10 is installed on the outer wall of the box body 1, the control panel 10 is connected to the ultrasonic transducer 9 through an internal circuit, a flocculation box 11 is welded on the side wall of the box body 1, a flocculant is installed inside the flocculation box 11, a feed pipe 12 is connected to the bottom side of the flocculation box 11, and the other end of the feed pipe 12 passes through the side wall of the flocculation chamber 4 and extends into the flocculation chamber 4 A first solenoid valve 13 is installed on the feed pipe 12, and the first solenoid valve 13 is connected to the control panel 10 through a wire. A protection box 22 is welded to the bottom side of the filter plate 6, and a motor is installed in the protection box 22. A stirring rod 23 is rotatably installed between the bottom wall of the protection box 22 and the bottom plate of the flocculation chamber 4 through a bearing, and a stirring blade 24 is installed on the stirring rod 23. A water outlet is opened on the side wall of the flocculation chamber 4, and a filter screen 14 is installed on the inner wall of the flocculation chamber 4 at the water outlet. A water pipe 15 is installed on the outer wall of the flocculation chamber 4 at the water outlet, and the other end of the water pipe 15 is connected to the side wall of the adsorption chamber 5. A second solenoid valve 16 is installed on the water pipe 15, and the second solenoid valve 16 is connected to the control panel 10 through a wire. A mounting frame 17 is welded on the inner wall of the adsorption chamber 5, and an activated carbon adsorption plate 18 is installed on the mounting frame 17. A drain port is connected to the bottom side of the side wall of the adsorption chamber 5, and a drain pipe 19 is installed on the outer wall of the adsorption chamber 5 at the drain port. A discharge pipe 20 is installed on the side walls of the sedimentation chamber 3 and the flocculation chamber 4, and a valve 21 is installed on the discharge pipe 20. When working, the existing food wastewater treatment device cannot control the addition of flocculants in the process of flocculating and settling organic matter in the wastewater, which easily causes excessive or insufficient addition of flocculants, resulting in waste of resources or poor sedimentation effect, resulting in poor feeding effect of the device. By introducing food wastewater from the feed pipe 2 into the sedimentation chamber 3, floating on the wastewater Solid matter in the wastewater, such as vegetable leaves, fruit peels, minced meat, poultry feathers, etc., is filtered by the filter plate 6, and the filtered wastewater flows from the filter plate 6 into the flocculation chamber 4, and then the ultrasonic transducer 9 above the wastewater operates, and the ultrasonic transducer 9 can emit and receive ultrasonic waves. The ultrasonic transducer 9 emits ultrasonic waves downward, and the ultrasonic waves are reflected back to the ultrasonic transducer 9 after encountering the wastewater liquid surface. The ultrasonic transducer 9 calculates the time difference between sending and receiving, and calculates the distance between the wastewater liquid surface and the ultrasonic transducer 9. Then, the ultrasonic transducer 9 sends the processing signal to the control panel 10, and the control panel 10 controls the opening time of the first electromagnetic valve 13 through the processing signal, thereby realizing the control of the amount of flocculant added;After the first solenoid valve 13 is opened, the flocculant enters the flocculation chamber 4, and the motor is operated to drive the stirring rod 23 to rotate, and the stirring rod 23 drives the stirring blade 24 to rotate, so as to achieve the mixing and stirring of the wastewater and the flocculant, which is conducive to the full mixing of the flocculant with the wastewater and the suspended matter, and achieves the flocculation and sedimentation of the suspended matter in the wastewater; then the second solenoid valve 16 is opened, and the wastewater is filtered by the filter screen 14 and enters the adsorption chamber 5, and is adsorbed by the activated carbon adsorption plate 18, so as to achieve the purification of the wastewater, and the purified wastewater is discharged from the drain pipe 19; this structure realizes the controlled addition of the flocculant by setting the control structure, which is conducive to improving the feeding effect. ;

[0020] Working principle: In the process of flocculation and sedimentation of organic matter in wastewater, the existing food wastewater treatment device cannot control the addition of flocculants, which easily leads to excessive or insufficient addition of flocculants, resulting in waste of resources or poor sedimentation effect, resulting in poor adding effect of the device. By introducing food wastewater from the feed pipe 2 into the sedimentation chamber 3, solid substances floating in the wastewater, such as vegetable leaves, fruit peels, minced meat, poultry feathers, etc. are filtered by the filter plate 6, and the filtered wastewater flows from the filter plate 6 into the flocculation chamber 4, and then the ultrasonic transducer 9 above the wastewater operates. The ultrasonic transducer 9 can emit and receive ultrasonic waves. The ultrasonic transducer 9 emits ultrasonic waves downward. After encountering the wastewater liquid surface, the ultrasonic wave is reflected back to the ultrasonic transducer 9. The ultrasonic transducer 9 calculates the time difference between sending and receiving, and calculates the distance between the wastewater liquid surface and the ultrasonic transducer 9. The ultrasonic transducer 9 then sends the processed signal to the control panel 10, which controls the duration of the opening of the first solenoid valve 13 by processing the signal, thereby controlling the amount of flocculant added; after the first solenoid valve 13 is opened, the flocculant enters the flocculation chamber 4, and is driven by the motor to rotate the stirring rod 23, which drives the stirring blade 24 to rotate, thereby achieving mixing and stirring of the wastewater and the flocculant, which is beneficial to fully mixing the flocculant with the wastewater and the suspended matter, thereby achieving flocculation and sedimentation of the suspended matter in the wastewater; then the second solenoid valve 16 is opened, and the wastewater is filtered through the filter screen 14 and enters the adsorption chamber 5, where it is adsorbed by the activated carbon adsorption plate 18, thereby achieving purification of the wastewater, and the purified wastewater is discharged from the drain pipe 19; this structure achieves controlled addition of flocculant by setting a control amount structure, which is beneficial to improving the feeding effect.

[0021] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A food wastewater treatment device, characterized in that The invention comprises a box body (1), wherein a feed pipe (2) is connected to the top plate of the box body (1), wherein the interior of the box body (1) is respectively composed of a sedimentation chamber (3), a flocculation chamber (4) and an adsorption chamber (5), wherein the bottom plate of the sedimentation chamber (3) is a filter plate (6), wherein a protective cover (7) is welded to the top of the side wall of the flocculation chamber (4), wherein a mounting groove (8) is provided inside the protective cover (7), wherein an ultrasonic transducer (9) is fixedly installed in the mounting groove (8), wherein a control panel (10) is installed on the outer wall of the box body (1), wherein the control panel (10) is connected to the ultrasonic transducer (9) through an internal circuit, and wherein the ultrasonic transducer (9) is welded to the side wall of the box body (1). A flocculation box (11) is connected, and a flocculant is installed inside the flocculation box (11). A feed pipe (12) is connected to the bottom side of the flocculation box (11), and the other end of the feed pipe (12) passes through the side wall of the flocculation chamber (4) and extends into the flocculation chamber (4). A first solenoid valve (13) is installed on the feed pipe (12), and the first solenoid valve (13) is connected to the control panel (10) through a wire. A protective box (22) is welded to the bottom side of the filter plate (6), and a motor is installed in the protective box (22). A stirring rod (23) is rotatably installed between the bottom wall of the protective box (22) and the bottom plate of the flocculation chamber (4) through a bearing.

2. A food wastewater treatment device according to claim 1, characterized in that: A stirring blade (24) is installed on the stirring rod (23), a water outlet is opened on the side wall of the flocculation chamber (4), and a filter screen (14) is installed on the inner wall of the flocculation chamber (4) at the water outlet.

3. A food wastewater treatment device according to claim 1, characterized in that: A water pipe (15) is installed on the outer wall of the flocculation chamber (4) at the water outlet, the other end of the water pipe (15) is connected to the side wall of the adsorption chamber (5), and a second solenoid valve (16) is installed on the water pipe (15), and the second solenoid valve (16) is connected to the control panel (10) through a wire.

4. A food wastewater treatment device according to claim 1, characterized in that: A mounting frame (17) is welded on the inner wall of the adsorption chamber (5), and an activated carbon adsorption plate (18) is mounted on the mounting frame (17).

5. A food wastewater treatment device according to claim 1, characterized in that: The bottom side of the side wall of the adsorption chamber (5) is connected to a drainage outlet, and a drainage pipe (19) is installed on the outer wall of the adsorption chamber (5) at the drainage outlet.

6. A food wastewater treatment device according to claim 1, characterized in that: A discharge pipe (20) is installed on the side walls of the sedimentation chamber (3) and the flocculation chamber (4), and a valve (21) is installed on the discharge pipe (20).

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