Kitchen wastewater treatment equipment

Abstract

The utility model discloses kitchen wastewater treatment equipment which comprises a pretreatment unit, a water storage tank assembly is fixedly arranged on one side of the upper surface of the base, a stacked screw filter press is arranged on one side of the water storage tank assembly, a conveyor is arranged at the output end of the stacked screw filter press, and a water storage tank is arranged on the other side of the stacked screw filter press. An air flotation machine is arranged on the other side of the upper surface of the base, a drainage pipe and an anaerobic reaction unit are fixedly connected to the outer surface of one side of the air flotation machine, the anaerobic reaction unit comprises an adjusting tank, a transition pipe and an anaerobic reactor are fixedly connected to the other side of the adjusting tank, and a second sewage pump is fixedly connected to one side of the anaerobic reactor. According to the sewage treatment device, sewage is subjected to aeration treatment through the water storage tank assembly, impurities in the sewage can be reduced through multiple filtration of the stacked screw filter press and the air flotation machine, and then the sewage enters the anaerobic reaction unit to be treated, so that the impurities in the sewage are reduced, the treatment effect is improved, and the anaerobic treatment time is shortened.

Description

Technical Field

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

[0002] Food has always been a major issue in people's lives. China consumes a huge amount of food. As the quality of food wastewater is relatively complex and the concentration of pollutants is high, the resulting food wastewater has attracted more and more attention, and the treatment of food wastewater is imminent. The composition of food wastewater is complex. Although the total water volume is low, the concentration of pollutants is high, which has a greater impact on the environment.

[0003] The traditional food waste treatment process is to first pass it through an anaerobic reactor and then use a screw press to squeeze out solid pollutants. This results in more impurities in the sewage entering the anaerobic reactor, a longer reaction time, and a larger reaction tank. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems existing in the existing restaurant wastewater treatment equipment, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a restaurant wastewater treatment equipment, which is designed to solve the problem that "the traditional restaurant waste treatment process is to first pass through an anaerobic reactor and then pass through a screw press to squeeze out solid pollutants, which leads to more sewage impurities entering the anaerobic reactor, a longer reaction time, and a relatively large volume of the reaction tank."

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a kitchen wastewater treatment device, comprising:

[0008] The pretreatment unit comprises a base, a water storage tank assembly is fixedly arranged on one side of the upper surface of the base, a screw filter press is arranged on one side of the water storage tank assembly, a conveyor is arranged at the output end of the screw filter press, an air flotation machine is arranged on the other side of the upper surface of the base, a drainage pipe is fixedly connected to the outer surface of one side of the air flotation machine, and a liquid storage tank is fixedly connected to one side of the base;

[0009] The anaerobic reaction unit comprises a regulating tank, one side of the outer surface of the regulating tank is fixedly connected to one end of the drainage pipe through a water pipe, the other side of the regulating tank is fixedly connected to a second sewage pump, the output end of the second sewage pump is provided with an anaerobic reactor, and one side of the anaerobic reactor is fixedly connected to a transition pipe;

[0010] The biochemical unit comprises a primary biochemical pool, one side of the outer surface of the primary biochemical pool is fixedly connected to the output end of the transition pipe, the other side of the primary biochemical pool is fixedly connected to a secondary biochemical pool, and the other side of the secondary biochemical pool is fixedly connected to a membrane biological reaction pool.

[0011] As a preferred solution of the kitchen wastewater treatment equipment of the utility model, the primary biochemical pool, the secondary biochemical pool and the membrane biological reaction pool are interconnected.

[0012] As a preferred solution of the kitchen wastewater treatment equipment described in the utility model, wherein: a support frame is fixedly connected to one side of the upper surface of the base, the water tank assembly is fixedly connected to one side of the upper surface of the support frame, the water tank assembly and the screw filter press are arranged in the middle of the upper surface of the support frame, and the conveyor is arranged on the other side of the upper surface of the support frame.

[0013] As a preferred solution of the kitchen wastewater treatment equipment of the utility model, a first sewage pump is fixedly connected to one side of the upper surface of the flotation machine, and an input end of the first sewage pump is fixedly connected to the inside of the liquid storage tank.

[0014] As a preferred solution of the kitchen wastewater treatment equipment described in the utility model, the water storage tank assembly includes a box body, the lower surface of the box body is fixedly connected to one side of the upper surface of the support frame, the inner top wall of the box body is fixedly connected to a discharge pipe, the inner bottom wall of the box body is provided with an aeration pipe, and the upper part of the front outer surface of the box body is fixedly connected to a water inlet pipe.

[0015] As a preferred solution of the kitchen wastewater treatment equipment described in the utility model, the membrane biological reaction tank includes a tank body, a biofilm assembly is arranged inside the tank body, a cover plate is arranged on the upper surface of the tank body, a clean water pipe is fixedly connected to the outer surface of one side of the tank body, and a solenoid valve is arranged on the outer surface of the clean water pipe.

[0016] Beneficial effects of the utility model:

[0017] The sewage is aerated by the water storage tank assembly, and after multiple filtrations by the screw filter press and the flotation machine, the impurities inside the sewage can be reduced. Then the sewage enters the anaerobic reaction unit for treatment, thereby reducing the impurities in the sewage, improving the treatment effect and reducing the anaerobic treatment time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of a restaurant wastewater treatment device proposed by the utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of the preprocessing unit;

[0021] Figure 3 for Figure 1 Schematic diagram of a water storage tank assembly;

[0022] Figure 4 for Figure 1 Schematic diagram of the biochemical unit.

[0023] In the figure: 100, pretreatment unit; 101, base; 102, support frame; 103, water storage tank assembly; 103a, box body; 103b, water inlet pipe; 103c, discharge pipe; 103d, aeration pipe; 104, screw filter press; 105, flotation machine; 106, first sewage pump; 107, conveyor; 108, drain pipe; 109, liquid storage tank; 200, anaerobic reaction unit; 201, regulating tank; 202, anaerobic reactor; 203, transition pipe; 204, second sewage pump; 300, biochemical unit; 301, primary biochemical tank; 302, secondary biochemical tank; 303, membrane biological reaction tank; 303a, tank body; 303b, biofilm assembly; 303c, clean water pipe. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0027] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0028] Reference Figure 1-4 The utility model provides a kitchen wastewater treatment device, comprising:

[0029] The pretreatment unit 100 includes a base 101, a water tank assembly 103 is fixedly arranged on one side of the upper surface of the base 101, a screw filter press 104 is arranged on one side of the water tank assembly 103, a conveyor 107 is arranged at the output end of the screw filter press 104, an air flotation machine 105 is arranged on the other side of the upper surface of the base 101, a drain pipe 108 is fixedly connected to the outer surface of one side of the air flotation machine 105, and a liquid storage tank 109 is fixedly connected to one side of the base 101. A support frame 102 is fixedly connected to one side of the upper surface of the base 101, the water tank assembly 103 is fixedly connected to one side of the upper surface of the support frame 102, the water tank assembly 103 and the screw filter press 104 are arranged in the middle of the upper surface of the support frame 102, and the conveyor 107 is arranged on the other side of the upper surface of the support frame 102. A first sewage pump 106 is fixedly connected to one side of the upper surface of the air flotation machine 105, and an input end of the first sewage pump 106 is fixedly connected to the inside of the liquid storage tank 109;

[0030] The anaerobic reaction unit 200 includes a regulating tank 201. The outer surface of one side of the regulating tank 201 is fixedly connected to one end of the drain pipe 108 through a water pipe. The other side of the regulating tank 201 is fixedly connected to a second sewage pump 204. The output end of the second sewage pump 204 has an anaerobic reactor 202. One side of the anaerobic reactor 202 is fixedly connected to a transition pipe 203.

[0031] The biochemical unit 300 includes a primary biochemical pool 301, one side of the primary biochemical pool 301 is fixedly connected to the output end of the transition pipe 203, the other side of the primary biochemical pool 301 is fixedly connected to the secondary biochemical pool 302, and the other side of the secondary biochemical pool 302 is fixedly connected to the membrane bioreactor 303. The primary biochemical pool 301, the secondary biochemical pool 302 and the membrane bioreactor 303 are interconnected. The wastewater first enters the water storage tank assembly 103 for preliminary storage and pretreatment, and then passes through the screw filter press 104 for solid-liquid separation, and the solid waste is transferred by the conveyor 107. The separated wastewater is treated by the flotation machine 105 for secondary treatment to remove floating oil and suspended matter. The cleaned wastewater is sent to the anaerobic reaction unit 200 through the regulating tank 201 and the second sewage pump 204, and the organic matter is decomposed in the anaerobic reactor 202, and the generated biogas can be recycled. The treated wastewater enters the biochemical unit 300, and passes through the primary biochemical pool 301, where the microorganisms under aerobic conditions oxidize the organic matter into inorganic substances, thereby reducing the concentration of pollutants. At the same time, ammonia nitrogen will also be gradually converted into nitrate nitrogen in this process. The treated water body is then introduced into the secondary biochemical pool 302, where the residual organic matter and ammonia nitrogen are further removed, thereby removing soluble organic pollutants, and finally undergoing deep purification through the membrane bioreactor 303, so that the effluent meets the discharge standard and is discharged through the clean water pipe 303d.

[0032] The water storage tank assembly 103 includes a box body 103a, the lower surface of the box body 103a is fixedly connected to one side of the upper surface of the support frame 102, a discharge pipe 103d is fixedly connected to the inner top wall of the box body 103a, an aeration pipe 103e is provided on the inner bottom wall of the box body 103a, and a water inlet pipe 103b is fixedly connected to the upper part of the front outer surface of the box body 103a. Liquid alkali is placed in the wastewater through the discharge pipe 103c, and the fusion of the sewage is improved through the aeration pipe 103d, thereby facilitating the filtration of impurities.

[0033] Furthermore, the membrane bioreactor 303 includes a tank body 303a, a biofilm assembly 303b is arranged inside the tank body 303a, a cover plate 303c is arranged on the upper surface of the tank body 303a, a clean water pipe 303d is fixedly connected to the outer surface of one side of the tank body 303a, and a solenoid valve is arranged on the outer surface of the clean water pipe 303d. The biofilm assembly 303b will perform the final purification on the sewage after multiple filtrations, reduce the odor of the sewage and the microorganisms in the sewage, and purify the sewage to the discharge standard.

[0034] During use, the wastewater first enters the interior of the box 103a through the water inlet pipe 103b for preliminary storage, and liquid alkali is placed in the wastewater through the discharge pipe 103c. The gas is discharged into the wastewater by starting the aeration pipe 103d to fully blend the wastewater and the liquid alkali. The wastewater is then sent to the screw filter press 104 for solid-liquid separation. The solid waste is transferred to the treatment facility by the conveyor 107, and the separated wastewater will enter the flotation machine 105 through the first sewage pump 106 for secondary treatment to ensure the filtering effect. Then the sewage is discharged into the regulating tank 201 for internal storage through the drain pipe 108, and then the sewage is placed in the anaerobic reactor 202 through the second sewage pump 204. Organic matter is decomposed in the anaerobic reactor 202. The treated wastewater is biochemically treated in the primary biochemical tank 301 and the secondary biochemical tank 302 to remove soluble organic pollutants. Finally, it is deeply purified through the membrane biological reactor 303 to meet the emission standards.

[0035] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A kitchen wastewater treatment equipment, characterized in that: include: A pretreatment unit (100) comprises a base (101), a water storage tank assembly (103) is fixedly arranged on one side of the upper surface of the base (101), a screw filter press (104) is arranged on one side of the water storage tank assembly (103), a conveyor (107) is arranged at the output end of the screw filter press (104), an air flotation machine (105) is arranged on the other side of the upper surface of the base (101), a drainage pipe (108) is fixedly connected to the outer surface of one side of the air flotation machine (105), and a liquid storage tank (109) is fixedly connected to one side of the base (101); The anaerobic reaction unit (200) comprises a regulating tank (201), wherein the outer surface of one side of the regulating tank (201) is fixedly connected to one end of a drainage pipe (108) via a water pipe, a second sewage pump (204) is fixedly connected to the other side of the regulating tank (201), an anaerobic reactor (202) is provided at the output end of the second sewage pump (204), and a transition pipe (203) is fixedly connected to one side of the anaerobic reactor (202); The biochemical unit (300) comprises a primary biochemical pool (301), wherein an outer surface of one side of the primary biochemical pool (301) is fixedly connected to the output end of the transition pipe (203), the other side of the primary biochemical pool (301) is fixedly connected to a secondary biochemical pool (302), and the other side of the secondary biochemical pool (302) is fixedly connected to a membrane bioreactor (303).

2. A kitchen wastewater treatment equipment according to claim 1, characterized in that: The primary biochemical pool (301), the secondary biochemical pool (302) and the membrane biological reaction pool (303) are interconnected.

3. The kitchen wastewater treatment equipment according to claim 1, characterized in that: A support frame (102) is fixedly connected to one side of the upper surface of the base (101); the water tank assembly (103) is fixedly connected to one side of the upper surface of the support frame (102); the water tank assembly (103) and the screw filter press (104) are arranged in the middle of the upper surface of the support frame (102); and the conveyor (107) is arranged on the other side of the upper surface of the support frame (102).

4. The kitchen wastewater treatment equipment according to claim 1, characterized in that: A first sewage pump (106) is fixedly connected to one side of the upper surface of the air flotation machine (105), and an input end of the first sewage pump (106) is fixedly connected to the interior of the liquid storage tank (109).

5. The kitchen wastewater treatment equipment according to claim 1, characterized in that: The water storage tank assembly (103) comprises a box body (103a), the lower surface of the box body (103a) is fixedly connected to one side of the upper surface of the support frame (102), the inner top wall of the box body (103a) is fixedly connected to a discharge pipe (103c), the inner bottom wall of the box body (103a) is provided with an aeration pipe (103d), and the upper part of the front outer surface of the box body (103a) is fixedly connected to a water inlet pipe (103b).

6. The kitchen wastewater treatment equipment according to claim 1, characterized in that: The membrane bioreactor tank (303) comprises a tank body (303a), a biofilm assembly (303b) is arranged inside the tank body (303a), a cover plate (303c) is arranged on the upper surface of the tank body (303a), a clean water pipe (303d) is fixedly connected to the outer surface of one side of the tank body (303a), and a solenoid valve is arranged on the outer surface of the clean water pipe (303d).

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