Tank-type anaerobic reactor combined with steel concrete tank body

Abstract

The utility model discloses a tank type anaerobic reactor combined with a steel concrete tank body, and belongs to the technical field of wastewater treatment equipment. The tank-type anaerobic reactor combined with the reinforced concrete tank body comprises the reinforced concrete tank body, part of a reaction tank is arranged in the reinforced concrete tank body, a groove is formed in the joint of the reaction tank and the reinforced concrete tank body, a sealing unit is arranged in the groove, a fixing unit is arranged in the reinforced concrete tank body to support the reaction tank, and the sealing unit is connected with the fixing unit. A water injection assembly, a reaction assembly and a flow dividing assembly are arranged on the reaction tank, the water injection assembly is arranged at the bottom of the reaction tank, the reaction assembly is arranged in the reaction tank, and the flow dividing assembly is arranged at the top of the reaction tank. The investment cost is reduced; the service life of the reactor is prolonged, the later corrosion prevention and heat preservation measures of the reactor tank are reduced, and the operation and maintenance cost is reduced; meanwhile, the ground height is reduced, the height of the reactor tank is reduced, overhaul and maintenance are facilitated, and layout of factory building facilities is facilitated.

Description

Technical Field

[0001] The present application relates to a tank-type anaerobic reactor combined with a reinforced concrete tank body, and belongs to the technical field of wastewater treatment equipment. Background Art

[0002] With the improvement of the country's environmental protection requirements and the assessment of operating costs, the application field of anaerobic reactors is becoming more and more extensive. The anaerobic reactor has a large height-to-diameter ratio, and the equipment foundation load of the tank is large. In order to meet the bearing capacity of the reactor and the foundation, the reactor equipment foundation needs to be built on the bearing layer, so a large amount of earth and stone needs to be excavated. Later, sand and gravel replacement, plain mixing or pile foundation treatment and other foundation treatment measures are needed to meet the requirement that the anaerobic reactor equipment foundation is exposed above 300mm above the ground, resulting in a large increase in construction costs.

[0003] When the anaerobic reactor is made of carbon steel, its ground height can reach more than 20 meters, with a large hydraulic elevation and high operating energy consumption; the tank body is severely corroded, and regular anti-corrosion and thermal insulation maintenance is required in the later stage, which has high maintenance costs; the anaerobic reactor tank body is as high as more than 20 meters, which is a high-altitude operation with great risks; the tank body and other structures and equipment have a large height difference, which affects the overall layout and appearance of the sewage treatment plant. Utility Model Content

[0004] In order to solve the above problems, the present application proposes a tank-type anaerobic reactor combined with a steel concrete tank body. The application of the anaerobic reactor will be more economical, environmentally friendly and convenient, and will help improve the overall efficiency and aesthetics of the sewage treatment plant.

[0005] This application is implemented through the following technical solutions:

[0006] A tank-type anaerobic reactor combined with a steel concrete tank body comprises a steel concrete tank body, a part of a reaction tank is arranged in the steel concrete tank body, a groove is arranged at the connection between the reaction tank and the steel concrete tank body, a sealing unit is arranged in the groove, a fixing unit is arranged in the steel concrete body to support the reaction tank, a water injection component, a reaction component and a diversion component are arranged on the reaction tank, the water injection component is arranged at the bottom of the reaction tank, the reaction component is arranged inside the reaction tank, and the diversion component is arranged on the top of the reaction tank. Specifically, the reaction tank is made of carbon steel.

[0007] Optionally, the sealing unit includes an embedded embedded part, and a filling layer is arranged between the embedded embedded part and the groove. Specifically, the groove is filled with expansive cement, and a cement protective layer is arranged thereon for reinforcement, and the gap between the cement and the reaction tank is filled with polyurethane building sealant.

[0008] Optionally, the fixing unit includes a plurality of pole support parts, and the plurality of pole support parts are arranged in a lattice.

[0009] Optionally, the pole support portion includes a plurality of relatively arranged support columns, the relatively arranged support columns form a support gap, and the support gap and the support point are located on the same straight line.

[0010] Optionally, the water injection assembly includes a water inlet pipe, which is located on one side of the reaction tank and close to the reinforced concrete tank body. One end of the water inlet pipe is located outside the reaction tank, and the other end is located at the bottom of the reaction tank and is connected to a water distribution system.

[0011] Optionally, the reaction component includes a primary three-phase separator and a secondary three-phase separator arranged in sequence from bottom to top.

[0012] Optionally, a first anaerobic zone is formed between the primary three-phase separator and the bottom of the reaction tank, and a second anaerobic zone is formed between the secondary three-phase separator and the primary three-phase separator.

[0013] Optionally, a water outlet pipe is provided above the secondary three-phase separator.

[0014] Optionally, the separation component includes a gas-liquid separation device, a reflux pipe is provided at the bottom of the gas-liquid separation device, the bottom end of the reflux pipe is connected to the water distribution system, and the gas-liquid separation device is provided with an air outlet pipe.

[0015] Optionally, a riser is provided between the primary three-phase separator and the secondary three-phase separator and the gas-liquid separation device.

[0016] The beneficial effects of this application include but are not limited to:

[0017] 1. According to the tank-type anaerobic reactor combined with a steel concrete tank body provided by the present application, the steel concrete structure is used to replace the original foundation treatment measures, so that the steel concrete tank body structure and the tank body structure are organically combined. This not only reduces the investment cost, prolongs the life of the reactor, reduces the operation and maintenance costs, but also reduces the height of the reactor tank body, which is convenient for inspection and maintenance, and is convenient for the layout of plant area structures and facilities.

[0018] 2. According to the tank-type anaerobic reactor combined with the steel concrete tank body provided by the present application, the embedded parts are arranged in the groove to provide better sun protection and corrosion resistance, thereby more effectively supporting and connecting the steel concrete tank body and the steel structure tank body. This design not only improves the stability and reliability of the connection, but also makes the construction more convenient.

[0019] 3. According to the tank-type anaerobic reactor combined with a steel concrete tank body provided by the present application, a holding rod support is installed on the inner wall of the steel concrete tank body, and the upper and lower notches and the embedded parts are on the same straight line. This design greatly facilitates the convenience of construction and installation, saves labor costs, and also reduces the difficulty of construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1 This is a schematic diagram of the structure of a tank-type anaerobic reactor combined with a reinforced concrete tank body in this application;

[0022] Figure 2 This is a schematic cross-sectional view of the reinforced concrete tank body involved in the embodiment of the present application.

[0023] List of parts and reference numerals:

[0024] 1. Steel concrete tank body, 101. Filling layer, 102. Embedded parts, 103. Pole support, 2. Reaction tank, 3. Gas-liquid separation device, 301. Gas outlet pipe, 302. Return pipe, 4. Water distribution system, 5. Water inlet pipe, 6. Water outlet pipe, 7. Lifting pipe, 8. Primary three-phase separator, 9. Secondary three-phase separator, 10. Second anaerobic zone, 11. First anaerobic zone. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0026] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0028] In addition, in the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0032] The embodiment of the present application discloses a tank-type anaerobic reactor combined with a steel concrete tank body, comprising a steel concrete tank body 1, a part of a reaction tank 2 arranged in the steel concrete tank body 1, which effectively utilizes the space and reduces the height of the reactor tank body; a groove is arranged at the connection between the reaction tank 2 and the steel concrete tank body 1, a sealing unit is arranged in the groove to ensure the sealing of the connection; a fixing unit is arranged in the steel concrete body to support the reaction tank 2, thereby increasing the stability and safety of the equipment; a water injection component, a reaction component and a diversion component are arranged on the reaction tank 2, the water injection component is arranged at the bottom of the reaction tank 2, the reaction component is arranged inside the reaction tank 2, and the diversion component is arranged at the top of the reaction tank 2; specifically, the reaction tank 2 is made of carbon steel, which has strong corrosion resistance and prolongs the service life of the reactor.

[0033] As an embodiment, the sealing unit includes an embedded embedded part 102, and a filling layer 101 is arranged between the embedded embedded part 102 and the groove. Specifically, the groove is filled with expansive cement, and a cement protective layer is arranged thereon for reinforcement, and the gap between the cement and the reaction tank 2 is filled with polyurethane building sealant. Arranging a cement protective layer on the embedded embedded part 102 can reinforce the sealing structure and improve the stability and reliability of the connection. Arranging a cement protective layer on the embedded embedded part 102 can reinforce the sealing structure and improve the stability and reliability of the connection.

[0034] As an implementation mode, the fixing unit includes a plurality of pole support parts 103, and the plurality of pole support parts 103 are arranged in a lattice to increase the overall stability and bearing capacity.

[0035] As an implementation mode, the pole support part 103 includes a plurality of relatively arranged support columns, which form support gaps. The support gaps and the support points are located on the same straight line, which is conducive to construction and installation, saves labor costs, and reduces construction difficulty.

[0036] As an embodiment, the water injection assembly includes a water inlet pipe 501, which is located on one side of the reaction tank 2 and close to the steel concrete tank body 1. One end of the water inlet pipe 501 is located on the outside of the reaction tank 2, and the other end is located at the bottom of the reaction tank 2. It is connected to the water distribution system 4, which effectively improves the flow efficiency and distribution uniformity of water in the reaction tank 2, which is beneficial to the reaction.

[0037] As an embodiment, the reaction assembly includes a primary three-phase separator 8 and a secondary three-phase separator 9 which are arranged in sequence from bottom to top, so as to separate different phases in the reaction process and improve the efficiency and purity of the reaction.

[0038] As an implementation mode, a first anaerobic zone 11 is formed between the primary three-phase separator 8 and the bottom of the reaction tank 2, and a second anaerobic zone 10 is formed between the secondary three-phase separator 9 and the primary three-phase separator 8, which is beneficial to the progress of reactions at different stages and improves the reaction efficiency and product purity.

[0039] As an implementation mode, a water outlet pipe 6 is provided above the secondary three-phase separator 9 to facilitate the discharge of the treated wastewater, thereby improving the continuity and stability of the reaction.

[0040] As an embodiment, the separation component includes a gas-liquid separation device 3, which helps to effectively separate gas and liquid, improves the separation efficiency of the reaction system, and ensures the effective separation of biogas and water. A reflux pipe 302 is provided at the bottom of the gas-liquid separation device 3, and the bottom end of the reflux pipe 302 is connected to the water distribution system 4. The separated liquid can be reintroduced into the system, which is conducive to improving the recycling rate of materials, reducing the waste of resources, and maintaining the stability of the system. The gas-liquid separation device 3 is provided with an outlet pipe 301. The setting of the outlet pipe 301 facilitates the discharge of biogas, helps to maintain the pressure balance inside the reaction system, and improves the continuity and stability of the system.

[0041] As an implementation mode, a lifting pipe 7 is provided between the primary three-phase separator 8 and the secondary three-phase separator 9 and the gas-liquid separation device 3, and the biogas is transported to the gas-liquid separation device 3 through the lifting pipe 7, which helps to effectively separate gas and liquid. The water lifted by the biogas is reintroduced into the water distribution system 4 through the reflux pipe 302 to mix with the incoming water. This step helps to improve the recycling rate of water and reduce resource waste. The treated water enters the subsequent treatment process through the outlet pipe 6, which helps to ensure the purification and reuse of water quality. At the same time, the biogas enters the subsequent facilities through the outlet pipe 301, which helps to effectively utilize the biogas and improve the overall energy efficiency of the system.

[0042] As another embodiment, the present application discloses an operation process of a tank-type anaerobic reactor combined with a steel concrete tank body, wherein sewage enters the reaction tank 2 through the water inlet pipe 501, and water is evenly distributed through the water supply pipe and the sludge hood at the bottom, and the sewage flows upward into the primary three-phase separator 8, that is, in the first anaerobic zone 11, where most of the organic pollutants are in an expanded and fluidized state, and are decomposed and converted into biogas, and preliminary separation is completed by the three-phase separator in the first anaerobic zone 11, and the remaining fewer pollutants are converted into biogas in the second anaerobic zone 10 below the secondary three-phase separator 9, and the biogas and treated water enter the gas-liquid separation device 3 at the top of the reactor through the lifting pipe 7, completing the separation of biogas and water and transporting them to subsequent treatment processes respectively.

[0043] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0044] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A tank-type anaerobic reactor combined with a reinforced concrete tank body, characterized in that: It includes a steel concrete tank body, in which part of the reaction tank is arranged, a groove is arranged at the connection between the reaction tank and the steel concrete tank body, a sealing unit is arranged in the groove, a fixing unit is arranged in the steel concrete tank body to support the reaction tank, and a water injection component, a reaction component and a diversion component are arranged on the reaction tank, the water injection component is arranged at the bottom of the reaction tank, the reaction component is arranged inside the reaction tank, and the diversion component is arranged on the top of the reaction tank.

2. The tank-type anaerobic reactor combined with a reinforced concrete tank body as claimed in claim 1, characterized in that: The sealing unit comprises an embedded embedded component, and a filling layer is arranged between the embedded embedded component and the groove.

3. The tank-type anaerobic reactor combined with a reinforced concrete tank body as claimed in claim 1, characterized in that: The fixing unit comprises a plurality of pole support parts, and the plurality of pole support parts are arranged in a dot matrix.

4. The tank-type anaerobic reactor combined with a reinforced concrete tank body as claimed in claim 3, characterized in that: The pole support portion includes a plurality of support columns that are arranged opposite to each other, and the support columns that are arranged opposite to each other form a support gap, and the support gap and the support point are located on the same straight line.

5. The tank-type anaerobic reactor combined with a reinforced concrete tank body as claimed in claim 1, characterized in that: The water injection assembly includes a water inlet pipe, which is located on one side of the reaction tank and close to the reinforced concrete tank body. One end of the water inlet pipe is located outside the reaction tank, and the other end is located at the bottom of the reaction tank and connected to the water distribution system.

6. The tank-type anaerobic reactor combined with a reinforced concrete tank body as claimed in claim 5, characterized in that: The reaction assembly comprises a primary three-phase separator and a secondary three-phase separator which are arranged in sequence from bottom to top.

7. The tank-type anaerobic reactor combined with a reinforced concrete tank body as claimed in claim 6, characterized in that: A first anaerobic zone is formed between the primary three-phase separator and the bottom of the reaction tank, and a second anaerobic zone is formed between the secondary three-phase separator and the primary three-phase separator.

8. The tank-type anaerobic reactor combined with a reinforced concrete tank body as claimed in claim 6, characterized in that: A water outlet pipe is arranged above the secondary three-phase separator.

9. The tank-type anaerobic reactor combined with a reinforced concrete tank body as claimed in claim 7, characterized in that: The flow diversion component comprises a gas-liquid separation device, a reflux pipe is arranged at the bottom of the gas-liquid separation device, the bottom end of the reflux pipe is connected to the water distribution system, and the gas-liquid separation device is provided with an air outlet pipe.

10. The tank-type anaerobic reactor combined with a reinforced concrete tank body as claimed in claim 9, characterized in that: A lifting pipe is arranged between the primary three-phase separator and the secondary three-phase separator and the gas-liquid separation device.

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