Kitchen waste wastewater treatment method

Abstract

The invention provides a kitchen waste wastewater treatment method, which uses a kitchen waste wastewater treatment device to treat kitchen waste wastewater, and comprises the following steps: pouring the kitchen waste wastewater into the kitchen waste wastewater treatment device, storing the kitchen waste wastewater through a material storage structure, and carrying out heating and heat preservation on the kitchen waste wastewater through a heating device; kitchen waste water is filtered in batches through the filtering device, filtered solid waste is collected through the collecting device, and filtered liquid waste water is precipitated and purified through the precipitating device. Grease in the kitchen waste wastewater can be prevented from being solidified, so that blockage is prevented; solid and liquid can be separated, so that only solid waste can be transported, liquid can be transported through a pipeline after being simply treated, and the municipal environment is prevented from being polluted due to water leakage in the transportation process; and the wastewater can be simply treated, so that the difficulty of later centralized treatment is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of kitchen waste wastewater treatment, and specifically to a method for treating kitchen waste wastewater. Background Art

[0002] The catering industry generates a large amount of kitchen waste wastewater every day. The main components of kitchen waste wastewater are kitchen waste, grease, and water. At present, kitchen waste wastewater only undergoes simple collection and treatment. The unclassified kitchen waste wastewater that has not been effectively treated can neither be directly discharged nor used as organic fertilizer for planting or feeding animals. The simply collected and treated kitchen waste wastewater still contains a large amount of organic substances, animal and vegetable oils, and various bacteria. The discharge of unqualified catering wastewater will pollute the water environment and affect the ecological environment. Moreover, kitchen waste wastewater usually contains food residues and is in a solid-liquid mixed state. It is usually collected in a slop bucket and then sent to a garbage treatment station for centralized treatment. The collection requires a large area, and leakage is likely to occur during the transportation to the garbage station, polluting the municipal environment.

[0003] Therefore, the present invention provides a method for treating kitchen waste wastewater. Summary of the Invention

[0004] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide a method for treating kitchen waste wastewater to solve the problems raised in the above background art. The present invention can prevent the grease in the kitchen waste wastewater from solidifying, thus preventing blockage; it can separate solids from liquids, so that only solid waste needs to be transported, and the liquid can be transported through pipelines after simple treatment, preventing leakage during transportation and polluting the municipal environment; it can also simply treat the wastewater, reducing the difficulty of subsequent centralized treatment.

[0005] To achieve the above purpose, the present invention is implemented through the following technical solutions: A method for treating kitchen waste wastewater, using a kitchen waste wastewater treatment device to treat kitchen waste wastewater, including the following steps:

[0006] S1. Pour the kitchen waste wastewater into the kitchen waste wastewater treatment device, store the kitchen waste wastewater through the storage structure in the kitchen waste wastewater treatment device, and heat and keep the kitchen waste wastewater warm through the heating device in the kitchen waste wastewater treatment device;

[0007] S2. Filter the kitchen waste wastewater in batches through the filtering device in the kitchen waste wastewater treatment device, collect the filtered solid waste through the collection device in the kitchen waste wastewater treatment device, and precipitate and purify the filtered liquid wastewater through the precipitation device of the kitchen waste wastewater treatment device;

[0008] S3, controlling the storage box to periodically add flocculant into the filtered liquid wastewater through a stirring device in the food waste wastewater treatment device, and then stirring the wastewater through the stirring device;

[0009] S4. Discharge the precipitated wastewater and filter the discharged wastewater.

[0010] Furthermore, the restaurant kitchen waste water treatment device includes a treatment box, and the material storage structure includes a material storage box fixed on the treatment box, the material storage box is connected to the treatment box, and a feed port is opened on the top of the material storage box.

[0011] Furthermore, the heating device includes a plurality of resistance heating wires fixed in the wall of the storage box, a wastewater treatment chamber and a garbage collection chamber are provided in the treatment box, and a partition is fixed between the wastewater treatment chamber and the garbage collection chamber.

[0012] Furthermore, the collecting device comprises a garbage box slidably fitted in the garbage collecting chamber, and the filtering device comprises a filtering plate, and the filtering device is fixed between the partition and the top of the wastewater treatment chamber.

[0013] Furthermore, a slide groove is provided in the partition plate, a baffle plate is slidably fitted in the slide groove, and the baffle plate corresponds to the filter plate.

[0014] Furthermore, a telescopic rod is fixed to one side of the baffle, and a threaded cylinder is fixed to one end of the telescopic rod.

[0015] Furthermore, the stirring device includes a stirring shaft, a reciprocating screw is fixed in the middle of the stirring shaft, and the reciprocating screw corresponds to the threaded barrel.

[0016] Furthermore, an electric slide rail is fixed in the processing box, a sliding block is fixed to the output end of the electric slide rail, a motor is fixed to the lower side of the sliding block, and the output end of the motor is fixedly connected to the stirring shaft.

[0017] Furthermore, the sedimentation device includes a storage box fixed on the processing box, a material discharge port is opened in the storage box, a blocking plate is slidably matched in the material discharge port, a push plate is fixed on the sliding block, and the blocking plate corresponds to the push plate.

[0018] Furthermore, a groove is provided in the discharge port, the groove corresponds to the plugging plate, a spring is fixed between the groove and the plugging plate, a water outlet is provided on one side of the wastewater treatment chamber, and a valve is installed in the water outlet.

[0019] Beneficial effects of the present invention: The present invention provides a method for treating kitchen waste water, comprising a material storage structure; a heating device; a filtering device; a collecting device; a sedimentation device; and a stirring device.

[0020] The restaurant kitchen waste water is stored by the storage structure, and the restaurant kitchen waste water is heated and insulated by the heating device to prevent the solidification of grease in the restaurant kitchen waste water, thereby preventing blockage; the restaurant kitchen waste water is filtered in batches by the filtering device, the filtered solid waste is collected by the collecting device, and the filtered liquid waste water is precipitated and purified by the sedimentation device, so that the solid and liquid can be separated, so that only the solid waste can be transported, and the liquid can be transported by pipeline after simple treatment to prevent water leakage during transportation and pollution of the municipal environment; the waste water is stirred by the stirring device, so that the waste water can be simply treated, reducing the difficulty of centralized treatment in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall assembly three-dimensional structure of a restaurant kitchen wastewater treatment device in a restaurant kitchen wastewater treatment method of the present invention;

[0022] Figure 2 It is a schematic diagram of the overall assembly cross-sectional structure of a restaurant kitchen wastewater treatment device in a restaurant kitchen wastewater treatment method of the present invention;

[0023] Figure 3 for Figure 2 Schematic diagram at A in the middle;

[0024] Figure 4 It is a schematic diagram of the assembly structure of an electric slide rail and a slide block in a method for treating kitchen waste water of the present invention;

[0025] Figure 5 It is a schematic diagram of the assembly structure of a treatment box, a filter plate, and a stirring shaft in a method for treating kitchen waste water of the present invention;

[0026] Figure 6 It is a schematic diagram of the assembled three-dimensional structure of a stirring shaft in a method for treating kitchen waste water of the present invention;

[0027] Figure 7 It is a schematic diagram of the assembly structure of a treatment box and a garbage box in a method for treating kitchen waste water of the present invention;

[0028] Figure 8 This is a flow chart of a method for treating kitchen waste water according to the present invention;

[0029] In the figure: 1. processing box; 2. feed port; 3. storage box; 4. resistance heating wire; 5. filter plate; 6. sliding block; 7. baffle; 8. chute; 9. garbage box; 10. wastewater treatment chamber; 11. garbage collection chamber; 12. partition; 13. electric slide rail; 14. motor; 15. stirring shaft; 16. reciprocating screw; 17. threaded barrel; 18. telescopic rod; 19. storage box; 20. discharge port; 21. groove; 22. spring; 23. blocking plate; 24. push plate; 25. water outlet. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0031] See also Figures 1 to 8 The present invention provides a technical solution: a method for treating food waste water, using a food waste water treatment device to treat food waste water, comprising the following steps:

[0032] S1, pouring the restaurant kitchen wastewater into the restaurant kitchen wastewater treatment device, storing the restaurant kitchen wastewater through the storage structure in the restaurant kitchen wastewater treatment device, and heating and keeping the restaurant kitchen wastewater warm through the heating device in the restaurant kitchen wastewater treatment device;

[0033] S2, filtering the kitchen wastewater in batches through a filtering device in the kitchen wastewater treatment device, collecting the filtered solid waste through a collecting device in the kitchen wastewater treatment device, and precipitating and purifying the filtered liquid wastewater through a precipitation device in the kitchen wastewater treatment device;

[0034] S3, controlling the storage box to periodically add flocculant into the filtered liquid wastewater through a stirring device in the food waste wastewater treatment device, and then stirring the wastewater through the stirring device;

[0035] S4. Discharge the precipitated wastewater and filter the discharged wastewater.

[0036] In this embodiment, the restaurant kitchen waste water treatment device includes a treatment box 1, and the material storage structure includes a material storage box 3 fixed on the treatment box 1. The material storage box 3 is connected to the treatment box 1, and a feed port 2 is opened on the top of the material storage box 3.

[0037] Specifically, the kitchen waste water can be poured into the storage box 3 through the feed inlet 2 to store the kitchen waste water, thereby facilitating filtering and processing the kitchen waste water in batches.

[0038] The heating device includes a plurality of resistance heating wires 4 fixed in the wall of the storage box 3. A wastewater treatment chamber 10 and a garbage collection chamber 11 are provided in the treatment box 1. A partition plate 12 is fixed between the wastewater treatment chamber 10 and the garbage collection chamber 11.

[0039] Specifically, the storage box 3 is heated by the resistance heating wire 4, thereby keeping the food waste water in the storage box 3 warm to prevent the grease in the food waste water from solidifying and causing blockage in the cold winter, and the filter plate 5 can be heated by the residual heat to prevent the filter plate from being blocked.

[0040] The collecting device comprises a garbage bin 9 which is slidably fitted in the garbage collecting chamber 11 , and the filtering device comprises a filtering plate 5 , which is fixed between the partition plate 12 and the top of the wastewater treatment chamber 10 .

[0041] Specifically, the kitchen waste water can be filtered through the filter plate 5, so that the solid waste falls into the trash can 9, and the liquid waste water enters the wastewater treatment chamber 10, so that the solid waste can be collected separately, thereby facilitating centralized transportation and treatment. When the trash can 9 is full, the trash can 9 can be slid out for replacement or dumping.

[0042] A slide groove 8 is opened in the partition 12, and a baffle 7 is slidably matched in the slide groove 8, and the baffle 7 corresponds to the filter plate 5. A telescopic rod 18 is fixed to one side of the baffle 7, and a threaded barrel 17 is fixed to one end of the telescopic rod 18. The stirring device includes a stirring shaft 15, and a reciprocating screw 16 is fixed to the middle of the stirring shaft 15, and the reciprocating screw 16 corresponds to the threaded barrel 17.

[0043] Specifically, when treating wastewater, the stirring shaft 15 rotates, thereby driving the threaded barrel 17 to move up and down. The threaded barrel 17 drives the baffle 7 to slide up and down through the telescopic rod 18, which can drive the baffle 7 to periodically block the garbage, thereby ensuring the garbage filtering effect.

[0044] An electric slide rail 13 is fixed in the processing box 1 , a sliding block 6 is fixed to the output end of the electric slide rail 13 , a motor 14 is fixed to the lower side of the sliding block 6 , and the output end of the motor 14 is fixedly connected to the stirring shaft 15 .

[0045] Specifically, the electric slide rail 13 can drive the sliding block 6 to slide, thereby driving the stirring shaft 15 to move, thereby facilitating the stirring of the wastewater in the wastewater treatment chamber 10, improving the mixing efficiency of the wastewater and the flocculant, and thus improving the sedimentation effect of the wastewater.

[0046] The sedimentation device includes a storage box 19 fixed on the treatment box 1, a discharge port 20 is opened in the storage box 19, a blocking plate 23 is slidably fitted in the discharge port 20, a push plate 24 is fixed on the sliding block 6, the blocking plate 23 corresponds to the push plate 24, a groove 21 is opened in the discharge port 20, the groove 21 corresponds to the blocking plate 23, a spring 22 is fixed between the groove 21 and the blocking plate 23, a water outlet 25 is opened on one side of the wastewater treatment chamber 10, and a valve is installed in the water outlet 25.

[0047] A large amount of flocculant is stored in the storage box 19. When the sliding block 6 slides, the sliding block 6 pushes the blocking plate 23 to move through the push plate 24, so that the blocking plate 23 enters the groove 21, and the spring 22 is compressed, so that the discharge port 20 is opened, so that the flocculant falls into the wastewater treatment chamber 10, and the wastewater can be precipitated.

[0048] Working process: pour the food waste water into the storage box 3 through the feed inlet 2, and then store the food waste water; heat the storage box 3 through the resistance heating wire 4, and thereby keep the food waste water in the storage box 3 warm to prevent the grease in the food waste water from solidifying and causing blockage when it is cold in winter; filter through the filter plate 5, so that the solid waste falls into the trash bin 9, and the liquid waste water enters the wastewater treatment chamber 10, and then the solid waste can be collected separately, so as to facilitate centralized transportation and treatment; when the trash bin 9 is full, the trash bin 9 can be slid out for replacement or dumping, and the electric slide rail 13 drives the sliding block 6 to slide, so as to drive the stirring shaft 15 to move, and start the motor 14, so that the motor 14 drives the stirring shaft 15 rotates, thereby facilitating the stirring of the wastewater in the wastewater treatment chamber 10, improving the mixing efficiency of the wastewater and the flocculant, and the stirring shaft 15 rotates, thereby driving the threaded cylinder 17 to move up and down, and the threaded cylinder 17 drives the baffle 7 to slide up and down through the telescopic rod 18, which can drive the baffle 7 to periodically block the garbage, thereby ensuring the garbage filtering effect, and at the same time, when the sliding block 6 slides, the sliding block 6 pushes the blocking plate 23 to move through the push plate 24, so that the blocking plate 23 enters the groove 21, and the spring 22 is compressed, so that the feed port 20 is opened, so that the flocculant falls into the wastewater treatment chamber 10, thereby the flocculant is periodically added, when the treatment is completed, the water outlet 25 can be opened, and then the precipitated wastewater can be filtered.

[0049] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A method for treating kitchen waste water, characterized in that: Using a food waste wastewater treatment device to treat food waste wastewater includes the following steps: S1, pouring the restaurant kitchen wastewater into the restaurant kitchen wastewater treatment device, storing the restaurant kitchen wastewater through the storage structure in the restaurant kitchen wastewater treatment device, and heating and keeping the restaurant kitchen wastewater warm through the heating device in the restaurant kitchen wastewater treatment device; S2, filtering the kitchen wastewater in batches through a filtering device in the kitchen wastewater treatment device, collecting the filtered solid waste through a collecting device in the kitchen wastewater treatment device, and precipitating and purifying the filtered liquid wastewater through a precipitation device in the kitchen wastewater treatment device; S3, controlling the storage box to periodically add flocculant into the filtered liquid wastewater through a stirring device in the food waste wastewater treatment device, and then stirring the wastewater through the stirring device; S4. Discharge the precipitated wastewater and filter the discharged wastewater.

2. A method for treating kitchen waste water according to claim 1, characterized in that: The kitchen waste water treatment device comprises a treatment box, and the material storage structure comprises a material storage box fixed on the treatment box, the material storage box is connected with the treatment box, and a material feed port is opened on the top of the material storage box.

3. A method for treating kitchen waste water according to claim 2, characterized in that: The heating device comprises a plurality of resistance heating wires fixed in the wall of the material storage box. A wastewater treatment chamber and a garbage collection chamber are provided in the treatment box, and a partition is fixed between the wastewater treatment chamber and the garbage collection chamber.

4. A method for treating kitchen waste water according to claim 3, characterized in that: The collecting device comprises a garbage box which is slidably matched in the garbage collecting cavity, and the filtering device comprises a filtering plate which is fixed between the partition plate and the top of the wastewater treatment cavity.

5. A method for treating kitchen waste water according to claim 4, characterized in that: A slide groove is provided in the partition plate, a baffle plate is slidably matched in the slide groove, and the baffle plate corresponds to the filter plate.

6. A method for treating kitchen waste water according to claim 5, characterized in that: A telescopic rod is fixed on one side of the baffle, and a threaded cylinder is fixed on one end of the telescopic rod.

7. A method for treating kitchen waste water according to claim 5, characterized in that: The stirring device comprises a stirring shaft, a reciprocating screw is fixed in the middle of the stirring shaft, and the reciprocating screw corresponds to the threaded barrel.

8. A method for treating kitchen waste water according to claim 7, characterized in that: An electric slide rail is fixed in the processing box, a sliding block is fixed at the output end of the electric slide rail, a motor is fixed at the lower side of the sliding block, and the output end of the motor is fixedly connected to the stirring shaft.

9. A method for treating kitchen waste water according to claim 8, characterized in that: The sedimentation device comprises a material storage box fixed on the processing box, a material discharge port is provided in the material storage box, a blocking plate is slidably matched in the material discharge port, a push plate is fixed on the sliding block, and the blocking plate corresponds to the push plate.

10. A method for treating kitchen waste water according to claim 9, characterized in that: A groove is provided in the discharge port, the groove corresponds to the plugging plate, a spring is fixed between the groove and the plugging plate, a water outlet is provided on one side of the wastewater treatment chamber, and a valve is installed in the water outlet.

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