Assembly type anaerobic fermentation tank foundation installation structure

Abstract

The utility model discloses an assembly type anaerobic fermentation tank foundation installation structure, which relates to the technical field of anaerobic fermentation tank installation and comprises a bottom plate and a tank body, a first steel reinforcement framework is arranged in the bottom plate, an outer ring beam is poured on the outer side of the bottom of the tank body, and a second steel reinforcement framework is arranged in the outer ring beam. The tank body and the bottom plate are manufactured in a split mode and then poured into a whole through an outer ring beam, the second steel reinforcement framework extends into the bottom plate, an inner ring beam is poured on the inner wall of the bottom of the tank body, a third steel reinforcement framework is arranged in the inner ring beam, and the second steel reinforcement framework extends into the bottom plate. Through the design of the first steel reinforcement framework, the second steel reinforcement framework and the joint bars, the first stirrups extend into the bottom plate, the joint bars extend to the second steel reinforcement framework, the outer ring beam is poured at the second steel reinforcement framework, the bottom plate and the tank body are connected in a reinforced mode through the outer ring beam, and therefore the connecting strength between the bottom plate and the tank body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of anaerobic fermentation tank installation, in particular to an assembled anaerobic fermentation tank foundation installation structure. Background Art

[0002] Anaerobic fermentation is the main production device of biogas projects. In actual projects, the volume of anaerobic fermentation tanks ranges from hundreds of cubic meters to tens of thousands of cubic meters. The structural safety of anaerobic fermentation tanks will directly affect the stability of biogas production and the life of biogas projects. At present, the typical structural form of anaerobic reactors is reinforced concrete structure. Reinforced concrete tank making technology is low-cost, has strong waterproof and corrosion resistance, and can operate reliably for a long time after completion.

[0003] Among reinforced concrete structures, prefabricated concrete anaerobic fermentation tanks are the most widely used and the most convenient to produce and install. After prefabrication in the factory, the prefabricated assembly panels are transported to the construction site for assembly. The assembly process is simple and convenient. 3 The tank body was installed on site in 5 days, which greatly shortened the construction period of the project. The assembled anaerobic fermentation tank has the advantages of large volume, good thermal insulation performance and short construction period.

[0004] However, the following defects or problems still exist in the prior art: during the installation of the assembled tank, the prefabricated plate and the foundation are connected and poured twice, firstly, there is a risk of leakage at the connection; secondly, the connection strength between the prefabricated plate and the foundation is weak, which easily affects its service life. In view of this deficiency, an assembled anaerobic fermentation tank foundation installation structure is proposed. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes an assembled anaerobic fermentation tank foundation installation structure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A prefabricated anaerobic fermentation tank foundation installation structure comprises a base plate and a tank body, wherein the tank body comprises a plurality of precast concrete assembly plates arranged in an enclosed manner on the upper surface of the base plate, the tank body is assembled and formed by the precast concrete assembly plates, a first steel frame is arranged inside the base plate, an outer ring beam is cast on the outer side of the bottom of the tank body, a second steel frame is arranged inside the outer ring beam, the tank body and the base plate are manufactured separately and then cast as a whole through the outer ring beam, the second steel frame extends to the inside of the base plate, an inner ring beam is cast on the inner wall of the bottom of the tank body, and a third steel frame is arranged inside the inner ring beam.

[0008] Preferably, a notch is provided between the inner ring beam and the tank body, the bottom of the notch is filled with a water stop strip, the top of the notch is poured with grouting material, and the grouting material is located on the upper surface of the water stop strip.

[0009] Preferably, the width of the notch between the inner ring beam and the tank body is 30 mm, and the water stop strip has five layers.

[0010] Preferably, the joint surfaces of the tank body and the bottom plate are roughened, and inclined shims are placed on both sides of the bottom of the tank body. The tank body is raised and leveled by the inclined shims.

[0011] Preferably, the first steel bar skeleton includes a plurality of equidistantly arranged connecting steel bars, the outer walls of the connecting steel bars are tied with a plurality of equidistantly arranged first annular steel bars, the connecting steel bars and the first annular steel bars are two layers, and are respectively located at the upper and lower parts of the base plate.

[0012] Preferably, the second steel bar skeleton includes a plurality of first hoops, the bottoms of the plurality of first hoops are tied to the first annular steel bars, the plurality of first hoops are arranged equidistantly along the tank body, the bottoms of the first hoops extend to the outside of the bottom plate, the extended parts of the first hoops are sleeved with the second annular steel bars, and the first hoops and the second annular steel bars are tied to each other.

[0013] Preferably, an inserted reinforcement is provided inside the tank body, the other end of the inserted reinforcement extends into the outer ring beam, and the extended end of the inserted reinforcement is bound to the second annular reinforcement.

[0014] Preferably, the third steel bar skeleton includes a plurality of second hoops, which are equidistantly arranged along the inner wall of the tank body, the outer walls of the plurality of second hoops are all sleeved with third annular steel bars, the second hoops and the third annular steel bars are tied to each other, the outer walls of the third annular steel bars are tied with embedded steel bars, and the embedded steel bars extend to the inside of the bottom plate.

[0015] The beneficial effects of the utility model are:

[0016] 1. In the utility model, through the design of the first steel frame, the second steel frame and the dowel, the first stirrup extends to the inside of the bottom plate, the dowel extends to the second steel frame, and the outer ring beam is cast at the second steel frame to form a reinforced connection between the bottom plate and the tank body, thereby improving the connection strength between the bottom plate and the tank body.

[0017] 2. In the utility model, through the design of the third steel bar skeleton, a socket is opened on the upper surface of the base plate, and the embedded steel bars are inserted into the socket, and the embedded steel bars and the base plate are bonded together using embedded steel bar glue, and then the embedded steel bars are tied to the third annular steel bars, and the third annular steel bars are tied to the second hoop bars, and then the inner ring beam is cast at the second steel bar skeleton to form it, and the connection strength between the base plate and the inner ring beam is improved by embedded steel bars.

[0018] 3. In the utility model, through the design of the inner ring beam, water stop strip and grouting material, the groove between the tank body and the inner ring beam is filled with a water stop strip, and the grouting material is poured on the upper surface of the water stop strip to enrich it, thereby strengthening the sealing of the connection between the bottom plate and the tank body and reducing the risk of leakage at the connection between the bottom plate and the tank body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view of a foundation installation structure of an assembled anaerobic fermentation tank of the utility model.

[0020] Figure 2 The utility model is a structural schematic diagram of a base plate, a tank body, an outer ring beam and an inner ring beam of a prefabricated anaerobic fermentation tank foundation installation structure.

[0021] Figure 3 It is a structural schematic diagram of a first steel frame, a second steel frame and a third steel frame of a foundation installation structure of an assembled anaerobic fermentation tank of the utility model.

[0022] Numbers in the figure: 1. Bottom plate; 2. Tank body; 3. Outer ring beam; 4. Inner ring beam; 5. Water stop; 6. Grouting material; 7. First steel bar skeleton; 701. Connecting steel bars; 702. First annular steel bars; 8. Second steel bar skeleton; 801. First stirrups; 802. Second annular steel bars; 9. Third steel bar skeleton; 901. Second stirrups; 902. Third annular steel bars; 903. Embedded bars; 10. Inserted bars; 11. Inclined pads. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] As attached Figure 1 To Attachment Figure 3 As shown:

[0025] A prefabricated anaerobic fermentation tank foundation installation structure comprises a bottom plate 1 and a tank body 2. The tank body 2 comprises a plurality of precast concrete assembly plates arranged in an enclosed manner on the upper surface of the bottom plate 1. The tank body 2 is assembled and formed by the precast concrete assembly plates. A first steel skeleton 7 is arranged inside the bottom plate 1. An outer ring beam 3 is cast on the outer side of the bottom of the tank body 2. A second steel skeleton 8 is arranged inside the outer ring beam 3. After the tank body 2 and the bottom plate 1 are manufactured separately, they are cast as a whole through the outer ring beam 3. The second steel skeleton 8 extends to the inside of the bottom plate 1. An inner ring beam 4 is cast on the inner wall of the bottom of the tank body 2. A third steel skeleton 9 is arranged inside the inner ring beam 4.

[0026] As attached Figure 2 As shown, a notch is provided between the inner ring beam 4 and the tank body 2, the bottom of the notch is filled with a water stop strip 5, the top of the notch is poured with a grouting material 6, the grouting material 6 is located on the upper surface of the water stop strip 5, the width of the notch between the inner ring beam 4 and the tank body 2 is 30 mm, and the water stop strip 5 has five layers, thereby strengthening the sealing of the connection between the bottom plate 1 and the tank body 2 and reducing the risk of leakage at the connection between the bottom plate 1 and the tank body 2.

[0027] As attached Figure 2 As shown, the joint surface of the tank body 2 and the bottom plate 1 is roughened to increase the surface area of ​​the new and old concrete surfaces, making the concrete at the joint of the new and old concrete dense and firmly bonded;

[0028] As attached Figure 2 As shown, inclined washers 11 are placed on both sides of the bottom of the tank body 2. The tank body 2 is raised by the inclined washers 11 to form a gap between the tank body 2 and the bottom plate 1, which is convenient for the bottom plate 1 and the tank body 2 to be firmly combined through new concrete, and the tank body 2 is leveled by the inclined washers 11.

[0029] As attached Figure 3 As shown, the first steel bar skeleton 7 includes a plurality of equidistantly arranged connecting steel bars 701, and the outer wall of the connecting steel bars 701 is tied with a plurality of equidistantly arranged first annular steel bars 702. The connecting steel bars 701 and the first annular steel bars 702 are two layers and are respectively located at the upper and lower parts of the bottom plate 1. The second steel bar skeleton 8 includes a plurality of first hoops 801, and the bottoms of the plurality of first hoops 801 are all tied with the first annular steel bars 702. The plurality of first hoops 801 are equidistantly arranged along the tank body 2, and the bottoms of the first hoops 801 extend to the outside of the bottom plate 1. The extended part of the first hoops 801 is sleeved with the second annular steel bars 802, and the first hoops 801 and the second annular steel bars 802 are tied to each other. An inserted bar 10 is arranged inside the tank body 2, and the other end of the inserted bar 10 extends into the outer ring beam 3, and the extended end of the inserted bar 10 is tied to the second annular steel bar 802.

[0030] In the above technical solution, the first steel bar skeleton 7 and the first stirrup 801 are tied, the first stirrup 801 extends from the upper surface of the bottom plate 1, and the first stirrup 801 connected to the second annular steel bar 802 is reserved on the upper surface of the bottom plate 1, and then the bottom plate 1 is poured, and the tank body 2 includes a plurality of precast concrete assembly panels arranged in an enclosed manner on the upper surface of the bottom plate 1, and the tank body 2 is formed by assembling the precast concrete assembly panels;

[0031] The first stirrup 801 and the second annular steel bar 802 are tied to each other, and a dowel bar 10 is reserved inside the tank body 2. The other end of the dowel bar 10 extends into the second steel bar skeleton 8, and the extended end of the dowel bar 10 is tied to the second annular steel bar 802. Then, an outer ring beam 3 is cast at the second steel bar skeleton 8 to form a reinforced connection between the bottom plate 1 and the tank body 2, thereby improving the connection strength between the bottom plate 1 and the tank body 2;

[0032] The third steel skeleton 9 includes a plurality of second hoops 901, which are equidistantly arranged along the inner wall of the tank body 2, and the outer walls of the plurality of second hoops 901 are all sleeved with third annular steel bars 902, the second hoops 901 and the third annular steel bars 902 are tied to each other, and the outer walls of the third annular steel bars 902 are tied with embedded steel bars 903, which extend to the inside of the bottom plate 1.

[0033] In the above technical scheme, a socket is opened on the upper surface of the base plate 1, and the embedded rebar 903 is inserted into the socket, and the embedded rebar 903 is bonded to the base plate 1 as a whole using embedded rebar glue, and then the embedded rebar 903 is tied to the third annular steel bar 902, and the third annular steel bar 902 is tied to the second hoop 901, and then the inner ring beam 4 is cast at the second steel skeleton 8 to form it.

[0034] The specific usage and function of this embodiment are as follows:

[0035] When installing the utility model, firstly, the first steel bar skeleton 7 and the first stirrup 801 are tied, the first stirrup 801 extends from the upper surface of the bottom plate 1, and the first stirrup 801 connected to the second annular steel bar 802 is reserved on the upper surface of the bottom plate 1, and then the bottom plate 1 is poured, and the tank body 2 includes a plurality of precast concrete assembly plates arranged in an enclosed manner on the upper surface of the bottom plate 1, and the tank body 2 is formed by assembling the precast concrete assembly plates;

[0036] An inclined washer 11 is placed on both sides of the bottom of the tank body 2. The inclined washer 11 is used to raise the tank body 2 so that a gap is formed between the tank body 2 and the bottom plate 1, so that the bottom plate 1 and the tank body 2 are firmly combined through new concrete, and the tank body 2 is leveled by the inclined washer 11;

[0037] Then the joint surface of the tank body 2 and the bottom plate 1 is roughened to increase the surface area of ​​the new and old concrete surfaces, making the concrete at the joint of the new and old concrete dense and firmly bonded;

[0038] The first stirrup 801 and the second annular reinforcement 802 are tied together, and an inserted reinforcement 10 is reserved inside the tank body 2. The other end of the inserted reinforcement 10 extends into the second reinforcement skeleton 8. The extended end of the inserted reinforcement 10 and the second annular reinforcement 802 are tied together. Then, an outer ring beam 3 is cast at the second reinforcement skeleton 8 to form a reinforcement connection between the bottom plate 1 and the tank body 2, thereby improving the connection strength between the bottom plate 1 and the tank body 2.

[0039] For the above structure and process, please refer to Figure 1-3 .

[0040] A socket is opened on the upper surface of the base plate 1, and the embedded steel bar 903 is inserted into the socket. The embedded steel bar 903 and the base plate 1 are bonded together using embedded steel bar glue. Then, the embedded steel bar 903 and the third annular steel bar 902 are tied together. The third annular steel bar 902 and the second hoop reinforcement 901 are tied together. Then, the inner ring beam 4 is cast at the second steel skeleton 8 to form it. The groove between the tank body 2 and the inner ring beam 4 is filled with a water stop strip 5. Grouting material 6 is poured on the upper surface of the water stop strip 5 to fill it up, thereby strengthening the sealing of the connection between the base plate 1 and the tank body 2 and reducing the risk of leakage at the connection between the base plate 1 and the tank body 2.

[0041] For the above structure and process, please refer to Figure 1-3 .

[0042] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. An assembled anaerobic fermentation tank foundation installation structure, comprising a bottom plate (1) and a tank body (2), wherein the tank body (2) comprises a plurality of precast concrete assembly panels arranged in an enclosed manner on the upper surface of the bottom plate (1), and the tank body (2) is formed by assembling the precast concrete assembly panels, characterized in that: A first steel skeleton (7) is arranged inside the bottom plate (1), an outer ring beam (3) is cast on the outer side of the bottom of the tank body (2), a second steel skeleton (8) is arranged inside the outer ring beam (3), the tank body (2) and the bottom plate (1) are manufactured separately and then cast as one through the outer ring beam (3), the second steel skeleton (8) extends to the inside of the bottom plate (1), an inner ring beam (4) is cast on the inner wall of the bottom of the tank body (2), and a third steel skeleton (9) is arranged inside the inner ring beam (4).

2. The assembled anaerobic fermentation tank foundation installation structure according to claim 1, characterized in that: A notch is provided between the inner ring beam (4) and the tank body (2); the bottom of the notch is filled with a water stop strip (5); the top of the notch is poured with grouting material (6); and the grouting material (6) is located on the upper surface of the water stop strip (5).

3. The assembled anaerobic fermentation tank foundation installation structure according to claim 2, characterized in that: The width of the notch between the inner ring beam (4) and the tank body (2) is 30 mm, and the water stop strip (5) has five layers.

4. The assembled anaerobic fermentation tank foundation installation structure according to claim 1, characterized in that: The joint surfaces of the tank body (2) and the bottom plate (1) are roughened, and inclined washers (11) are placed on both sides of the bottom of the tank body (2). The inclined washers (11) are used to raise the tank body (2) and level the tank body (2).

5. The assembled anaerobic fermentation tank foundation installation structure according to claim 1, characterized in that: The first steel bar skeleton (7) comprises a plurality of equally spaced connecting steel bars (701), the outer wall of the connecting steel bars (701) being tied with a plurality of equally spaced first annular steel bars (702), the connecting steel bars (701) and the first annular steel bars (702) being two layers, and being respectively located at the upper and lower parts of the base plate (1).

6. The assembled anaerobic fermentation tank foundation installation structure according to claim 5, characterized in that: The second steel bar skeleton (8) comprises a plurality of first stirrups (801), the bottoms of the plurality of first stirrups (801) are all tied to the first annular steel bars (702), the plurality of first stirrups (801) are arranged equidistantly along the tank body (2), the bottoms of the first stirrups (801) extend to the outside of the bottom plate (1), the extended portions of the first stirrups (801) are sleeved with the second annular steel bars (802), and the first stirrups (801) and the second annular steel bars (802) are tied to each other.

7. The assembled anaerobic fermentation tank foundation installation structure according to claim 6, characterized in that: A dowel bar (10) is arranged inside the tank body (2), the other end of the dowel bar (10) extends into the outer ring beam (3), and the extended end of the dowel bar (10) is bound to the second annular steel bar (802).

8. The assembled anaerobic fermentation tank foundation installation structure according to claim 5, characterized in that: The third steel reinforcement skeleton (9) comprises a plurality of second stirrups (901), the plurality of second stirrups (901) are arranged equidistantly along the inner wall of the tank body (2), the outer walls of the plurality of second stirrups (901) are all sleeved with third annular steel bars (902), the second stirrups (901) and the third annular steel bars (902) are bound together, the outer walls of the third annular steel bars (902) are bound with embedded steel bars (903), and the embedded steel bars (903) extend to the inside of the bottom plate (1).

Images