Equipment and methods for treating wastewater from chicken and duck slaughterhouses

Abstract

This invention discloses a device and method for treating wastewater from chicken and duck slaughtering, comprising: a disinfection tank, wherein a partition is fixedly installed inside the disinfection tank, the partition dividing the cavity of the disinfection tank from top to bottom into a disinfection chamber and a flow chamber, and multiple sets of fixed pipes with unidirectional flow are connected between the top of the flow chamber and the disinfection chamber, and a unidirectional outflow outlet is provided on the partition; this invention achieves repeated circulation of chicken and duck slaughtering wastewater between the disinfection chamber and the flow chamber by cyclically switching a pushing plate between a first state and a second state, so that the wastewater and disinfectant are fully mixed, ensuring that the effective components in the disinfectant can fully contact and react with the pollutants in the wastewater, greatly improving the disinfection and purification effect, and effectively removing pollutants such as bacteria, viruses and organic matter from the wastewater.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment technology, and in particular to a device and method for treating wastewater from chicken and duck slaughtering. Background Technology

[0002] The slaughtering process generates a certain amount of wastewater, primarily from post-slaughter cleaning, carcass washing, evisceration, floor washing, and livestock manure. This wastewater contains a large amount of organic matter, mainly consisting of animal feces, blood, animal viscera, animal hair, scraps of skin and meat, and grease, classifying it as high-concentration organic wastewater. The wastewater is brownish-red and has a strong, foul odor. If the fats and proteins in this wastewater are discharged directly into water bodies without treatment, it will cause severe eutrophication, severely impairing the water bodies' self-sufficiency, causing them to turn black and smelly, and negatively impacting the environment and agricultural irrigation.

[0003] Common methods for treating wastewater from chicken and duck slaughterhouses involve adding disinfectant to the wastewater for disinfection and purification. Existing treatment devices use a simple method of directly adding disinfectant, which makes it difficult to ensure that the disinfectant is evenly distributed in the wastewater. In areas where the concentration of disinfectant is too low, it cannot effectively kill bacteria and decompose organic matter in the wastewater, resulting in a significant reduction in disinfection and purification effects. Therefore, a wastewater treatment device and method for chicken and duck slaughterhouses is proposed to solve this problem. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides the following technical solution:

[0005] A wastewater treatment system for chicken and duck slaughterhouses includes:

[0006] A disinfection box, wherein a partition is fixedly installed inside the disinfection box, the partition dividing the cavity of the disinfection box into a disinfection chamber and a flow chamber from top to bottom, and multiple sets of fixed pipes with unidirectional flow are connected between the top of the flow chamber and the disinfection chamber, and a unidirectional water outlet is provided on the partition.

[0007] The pushing component includes an injection tube fixedly disposed at the bottom of the disinfection box and a movable component movably disposed inside the injection tube. The output end of the movable component passes through the bottom of the disinfection box and extends into the flow chamber. A pushing plate is fixedly connected to one end of the output end of the movable component that extends into the flow chamber.

[0008] A suction assembly, comprising a connecting tube, is connected to an injection tube via the connecting tube, and controls the moving part to move up and down, thereby controlling the push plate to switch between a first state and a second state.

[0009] In the first state, the pusher plate is pushed towards the partition, and the liquid in the flow chamber enters the disinfection chamber through the fixed tube;

[0010] In the second state, the push plate moves away from the partition, and the liquid inside the disinfection chamber flows into the flow chamber through the water outlet.

[0011] As an improvement to the above technical solution, the moving part includes a movable rod that is movably inserted into the injection tube and a piston two disposed at the bottom of the movable rod. The top of the movable rod passes through the top of the injection tube and the bottom of the disinfection box in sequence and extends to the flow chamber. One end of the movable rod extending into the flow chamber is fixedly connected to the push plate. A spring is wound around the surface of the movable rod and a section inside the injection tube. A water guide pipe is provided between one side of the injection tube and the disinfection chamber.

[0012] As an improvement to the above technical solution, a water outlet pipe is provided on the side wall of the injection tube, below the water guide pipe, and connected to the disinfection chamber.

[0013] As an improvement to the above technical solution, the suction assembly includes a water suction pipe fixedly installed on the top of the disinfection box, a piston slidably connected inside the water suction pipe, and a connecting rod rotatably connected to one end of the piston 1. The end of the connecting rod away from the piston 1 passes through the side wall of the water suction pipe and extends to the outside of the water suction pipe. The end of the water suction pipe away from the connecting rod is connected to a water inlet pipe. The bottom of the water suction pipe and the end near the water inlet pipe are connected to a connecting pipe.

[0014] As an improvement to the above technical solution, a driving component is also included. The driving component includes a rotating shaft that is rotatably inserted into the disinfection chamber and a crankshaft that is fixedly installed on the top of the rotating shaft. The crankshaft is rotatably connected to one end of the connecting rod that extends to the outside of the water pump pipe. A number of stirring rods are fixedly connected to a section of the rotating shaft located inside the disinfection chamber.

[0015] The method for treating wastewater from chicken and duck slaughterhouses, using the aforementioned wastewater treatment device, includes the following steps:

[0016] S1: Wastewater is injected into the disinfection chamber through pipes, and then disinfectant is injected;

[0017] S2: Start the suction assembly. The moving part moves upward under the action of the suction assembly. The moving part drives the push plate to move closer to the partition. As the push plate moves upward, the space between the push plate and the partition gradually decreases, the pressure increases, and the one-way valve on the fixed pipe opens, allowing the wastewater above the push plate to enter the disinfection chamber through the fixed pipe.

[0018] S3: When the moving part drives the push plate to move downward, the downward movement of the push plate gradually increases the space between the push plate and the partition, reduces the pressure, and forms a negative pressure environment. At this time, the one-way valve of the water outlet on the partition opens, and the wastewater in the disinfection chamber flows into the space between the push plate and the partition through the water outlet. The push plate cycles between the first state and the second state, and the wastewater repeatedly circulates between the disinfection chamber and the flow chamber.

[0019] The beneficial effects of this invention are:

[0020] By cyclically switching between the first and second states, the wastewater from chicken and duck slaughtering is repeatedly circulated between the disinfection chamber and the flow chamber, ensuring that the wastewater and disinfectant are fully mixed. This guarantees that the effective components in the disinfectant can fully contact and react with the pollutants in the wastewater, greatly improving the disinfection and purification effect and effectively removing pollutants such as bacteria, viruses, and organic matter from the wastewater. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the first state structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the second state of the present invention;

[0023] Figure 3 For the present invention Figure 1 Enlarged structural diagram at point A in the middle.

[0024] Reference numerals: 10. Disinfection box; 11. Partition; 111. Water outlet; 20. Rotating shaft; 21. Crankshaft; 22. Connecting rod; 23. Piston 1; 24. Pumping pipe; 25. Inlet pipe; 26. Connecting pipe; 30. Storage tank; 40. Pushing assembly; 41. Water outlet pipe; 42. Push plate; 43. Movable rod; 44. Spring; 45. Piston 2; 46. Injection tube; 47. Water guide tube. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0026] Example 1

[0027] A wastewater treatment device for chicken and duck slaughtering includes: a disinfection tank 10, a partition 11 fixedly installed inside the disinfection tank 10, the partition 11 dividing the cavity of the disinfection tank 10 into a disinfection chamber and a flow chamber from top to bottom, a plurality of fixed pipes with unidirectional flow connected between the top of the flow chamber and the disinfection chamber, and a unidirectional outflow outlet hole 111 opened on the partition 11;

[0028] The pushing component 40 includes an injection tube 46 fixedly disposed at the bottom of the disinfection box 10 and a movable component movably disposed inside the injection tube 46. The output end of the movable component passes through the bottom of the disinfection box 10 and extends into the flow chamber. A pushing plate 42 is fixedly connected to one end of the output end of the movable component that extends into the flow chamber.

[0029] A suction assembly, comprising a connecting tube 26, is connected to an injection tube 46 via the connecting tube 26, and controls the moving part to move up and down, thereby controlling the push plate 42 to switch between a first state and a second state.

[0030] In the first state, the pusher plate 42 is pushed towards the partition plate 11, and the liquid in the flow chamber enters the disinfection chamber through the fixed pipe;

[0031] In the second state, the push plate 42 moves away from the partition 11, and the liquid inside the disinfection chamber flows into the flow chamber through the water outlet 111.

[0032] Specifically, filtered wastewater is injected into the disinfection chamber through pipes, while an appropriate amount of disinfectant is pre-filled into the chamber. When the suction assembly is activated, the moving part moves upward under the action of the suction assembly. (Refer to...) Figure 1 Since the moving part is fixedly connected to the push plate 42, the push plate 42 also moves towards the partition 11. As the push plate 42 moves upward, the space between the push plate 42 and the partition 11 gradually decreases, the pressure increases, and the one-way valve on the fixed pipe opens, allowing the wastewater above the push plate 42 to enter the disinfection chamber through the fixed pipe. Because the wastewater flows into the disinfection chamber at a certain pressure through the fixed pipe, it will create a water flow impact and stirring effect in the disinfection chamber, allowing the disinfectant and wastewater to mix quickly and thoroughly. When the moving part drives the push plate 42 downward, refer to Figure 2 As the push plate 42 moves downward, the space between the push plate 42 and the partition 11 gradually increases, the pressure decreases, and a negative pressure environment is formed. At this time, the one-way valve of the water outlet 111 on the partition 11 opens, and the wastewater in the disinfection chamber flows into the space between the push plate 42 and the partition 11 through the water outlet 111. This can effectively avoid the problem of dead corners at the bottom of the disinfection chamber. The push plate 42 cycles between the first and second states, realizing the repeated circulation of chicken and duck slaughter wastewater between the disinfection chamber and the flow chamber. This ensures that the wastewater and disinfectant are fully mixed, guaranteeing that the effective components in the disinfectant can fully contact and react with the pollutants in the wastewater, greatly improving the disinfection and purification effect, and effectively removing pollutants such as bacteria, viruses, and organic matter from the wastewater.

[0033] In one embodiment, the movable component includes a movable rod 43 movably inserted into the injection tube 46 and a piston 45 disposed at the bottom of the movable rod 43. The top of the movable rod 43 passes through the top of the injection tube 46 and the bottom of the disinfection box 10 in sequence and extends to the flow chamber. One end of the movable rod 43 extending into the flow chamber is fixedly connected to the push plate 42. A spring 44 is wound around the surface of the movable rod 43 and a section inside the injection tube 46. A water guide pipe 47 is provided between one side of the injection tube 46 and the disinfection chamber.

[0034] Specifically, refer to Figure 3 The suction assembly injects disinfectant into the injection tube 46 through the connecting tube 26. The disinfectant entering the injection tube 46 pushes the piston 45 upward. The piston 45 drives the movable rod 43 to move upward against the elastic force of the spring 44. The movable rod 43 pushes the push plate 42 upward until the piston 45 moves above the water guide tube 47. The disinfectant in the injection tube 46 enters the water guide tube 47 and is transported to the disinfection chamber by the water guide tube 47. When the water pressure inside the injection tube 46 decreases, the restoring elastic force of the spring 44 causes the spring 44 to push the piston 45 downward. The piston 45 drives the push plate 42 downward through the movable rod 43.

[0035] In one embodiment, a water outlet pipe 41 is provided between the side wall of the injection tube 46 and the water guide pipe 47, which is connected to the disinfection chamber. When the piston 45 moves downward to below the water guide pipe 47, since there is still some disinfectant inside the injection tube 46, the piston 45 moves downward, which reduces the space inside the injection tube 46 and below the piston 45, increases the pressure, and opens the one-way valve on the water outlet pipe 41. The remaining disinfectant in the injection tube 46 enters the disinfection chamber through the water outlet pipe 41.

[0036] In one embodiment, the suction assembly includes a water suction pipe 24 fixedly installed on the top of the disinfection box 10, a piston 23 slidably connected inside the water suction pipe 24, and a connecting rod 22 rotatably connected to one end of the piston 23. The end of the connecting rod 22 away from the piston 23 passes through the side wall of the water suction pipe 24 and extends to the outside of the water suction pipe 24. The end of the water suction pipe 24 away from the connecting rod 22 is connected to an inlet pipe 25. The bottom of the water suction pipe 24 and the end near the inlet pipe 25 are connected to a connecting pipe 26.

[0037] Specifically, the inlet pipe 25 is inserted into the storage tank 30 containing the disinfectant. When the operating connecting rod 22 pulls the piston 23 away from the inlet pipe 25, refer to... Figure 2The space between piston 23 and inlet pipe 25 increases, creating negative pressure. The one-way valve on inlet pipe 25 opens, allowing disinfectant in storage tank 30 to enter pumping pipe 24. Simultaneously, piston 45 in push assembly 40 moves downward. When connecting rod 22 pushes piston 23 towards inlet pipe 25, reference... Figure 1 The pressure increases in the space between piston 23 and inlet pipe 25, opening the one-way valve on connecting pipe 26. The disinfectant inside the pumping pipe is injected into injection pipe 46 through connecting pipe 26, squeezing piston 45 and causing it to move upward. This allows the disinfectant to be injected into the disinfection chamber multiple times, effectively avoiding the problem of excessively high local concentration or uneven mixing that may occur with a single injection. Multiple injections of disinfectant allow for better mixing with the circulating wastewater each time. Each injection of disinfectant can be quickly dispersed throughout the disinfection chamber with the help of the circulating wastewater and the stirring action of the stirring rod. Over time and with multiple injections, the disinfectant and wastewater can achieve a more thorough and uniform mixture.

[0038] In one embodiment, a driving component is also included, comprising a rotating shaft 20 rotatably inserted into the disinfection chamber and a crankshaft 21 fixedly disposed on the top of the rotating shaft 20. The crankshaft 21 is rotatably connected to one end of the connecting rod 22 extending to the outside of the water pumping pipe 24. A plurality of stirring rods are fixedly connected to a section of the rotating shaft 20 located inside the disinfection chamber. A motor is mounted on the top of the crankshaft 21, and the motor drives the rotating shaft 20 to rotate through the crankshaft 21. The crankshaft 21 drives the connecting rod 22 to reciprocate, causing the connecting rod 22 to drive the piston 23 to reciprocate in the water pumping pipe. At the same time, the rotation of the stirring rods enhances the mixing effect of wastewater and disinfectant.

[0039] Example 2

[0040] The method for treating wastewater from chicken and duck slaughterhouses, using the wastewater treatment device described in Example 1, includes the following steps:

[0041] S1: Wastewater is injected into the disinfection chamber through pipes, and then disinfectant is injected;

[0042] S2: Start the suction assembly. The moving part moves upward under the action of the suction assembly. The moving part drives the push plate 42 to move closer to the partition 11. As the push plate 42 moves upward, the space between the push plate 42 and the partition 11 gradually decreases, the pressure increases, and the one-way valve on the fixed pipe opens, allowing the wastewater above the push plate 42 to enter the disinfection chamber through the fixed pipe.

[0043] S3: When the moving part drives the push plate 42 to move downward, the downward movement of the push plate 42 gradually increases the space between the push plate 42 and the partition 11, reduces the pressure, and forms a negative pressure environment. At this time, the one-way valve of the water outlet 111 on the partition 11 opens, and the wastewater in the disinfection chamber flows into the space between the push plate 42 and the partition 11 through the water outlet 111. The push plate 42 cycles between the first state and the second state, and the wastewater repeatedly circulates between the disinfection chamber and the flow chamber.

[0044] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it.

Claims

1. A wastewater treatment device for chicken and duck slaughtering, characterized in that, include: Disinfection box (10), a partition (11) is fixedly installed inside the disinfection box (10). The partition (11) divides the cavity of the disinfection box into a disinfection chamber and a flow chamber from top to bottom. Multiple sets of fixed pipes with unidirectional flow are connected between the top of the flow chamber and the disinfection chamber. A water outlet hole (111) with unidirectional flow is opened on the partition (11). The pushing component (40) includes an injection tube (46) fixedly disposed at the bottom of the disinfection box (10) and a movable part movably disposed inside the injection tube (46). The output end of the movable part passes through the bottom of the disinfection box (10) and extends to the flow chamber. A pushing plate (42) is fixedly connected to one end of the output end of the movable part extending into the flow chamber. The suction assembly includes a connecting tube (26), which is connected to the injection tube (46) through the connecting tube (26) to control the moving part to move up and down, thereby controlling the push plate (42) to switch between the first state and the second state; In the first state, the push plate (42) is pushed toward the partition (11), and the liquid in the flow chamber enters the disinfection chamber through the fixed pipe; In the second state, the push plate (42) moves away from the partition (11), and the liquid inside the disinfection chamber flows into the flow chamber through the water outlet (111); The movable component includes a movable rod (43) that is movably inserted into the injection tube (46) and a piston (45) disposed at the bottom of the movable rod (43). The top of the movable rod (43) passes through the top of the injection tube (46) and the bottom of the disinfection box (10) and extends to the flow chamber. One end of the movable rod (43) extending into the flow chamber is fixedly connected to the push plate (42). A spring (44) is wound around the surface of the movable rod (43) and inside the injection tube (46). A water guide pipe (47) is provided between one side of the injection tube (46) and the disinfection chamber. A water outlet pipe (41) is provided on the side wall of the injection tube (46) and below the water guide pipe (47) in communication with the disinfection chamber.

2. The wastewater treatment device for chicken and duck slaughtering according to claim 1, characterized in that: The suction assembly includes a water suction pipe (24) fixedly installed on the top of the disinfection box (10), a piston (23) slidably connected inside the water suction pipe (24), and a connecting rod (22) rotatably connected to one end of the piston (23). The end of the connecting rod (22) away from the piston (23) passes through the side wall of the water suction pipe (24) and extends to the outside of the water suction pipe (24). The end of the water suction pipe (24) away from the connecting rod (22) is connected to an inlet pipe (25). The bottom of the water suction pipe (24) and the end near the inlet pipe (25) are connected to a connecting pipe (26).

3. The wastewater treatment device for chicken and duck slaughtering according to claim 2, characterized in that: It also includes a drive unit, which includes a rotating shaft (20) rotatably inserted into the disinfection chamber and a crankshaft (21) fixedly disposed on the top of the rotating shaft (20). The crankshaft (21) is rotatably connected to one end of the connecting rod (22) extending to the outside of the water pump (24). A number of stirring rods are fixedly connected to a section of the rotating shaft (20) located inside the disinfection chamber.

4. A method for treating wastewater from chicken and duck slaughterhouses, characterized in that: The wastewater treatment device for chicken and duck slaughtering, as described in any one of claims 1-3, includes the following steps: S1: Wastewater is injected into the disinfection chamber through pipes, and then disinfectant is injected; S2: Start the suction assembly. The moving part moves upward under the action of the suction assembly. The moving part drives the push plate (42) to move closer to the partition (11). As the push plate (42) moves upward, the space between the push plate (42) and the partition (11) gradually decreases, the pressure increases, and the one-way valve on the fixed pipe opens, allowing the wastewater above the push plate (42) to enter the disinfection chamber through the fixed pipe. S3: When the moving part drives the push plate (42) to move downward, the downward movement of the push plate (42) causes the space between the push plate (42) and the partition (11) to gradually increase, the pressure decreases, and a negative pressure environment is formed. At this time, the one-way valve of the water outlet (111) on the partition (11) opens, and the wastewater in the disinfection chamber flows into the space between the push plate (42) and the partition (11) through the water outlet (111). The push plate (42) cycles between the first state and the second state, and the wastewater circulates repeatedly between the disinfection chamber and the flow chamber.

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