Prefabricated assembled biochemical pool of sewage plant and installation method thereof
Technical Field
The invention belongs to the technical field of sewage treatment, particularly relates to a prefabricated assembled sewage plant biochemical pool and an installation method thereof, and is particularly suitable for A2And O, a biochemical pool of a sewage plant.
Background
At present, in the construction process of a sewage plant, a traditional construction process is generally adopted, the construction period is long, and in the traditional construction process, the processes of stirring, pouring and the like of a concrete site inevitably cause pollution to the environment of the site to different degrees. Compared with the traditional building mode, the assembly type building saves more energy and resources, is more environment-friendly in the construction process, and better accords with the development strategy of green building design construction and industrialization. Because the construction parts are produced in a component factory, the construction period can be obviously shortened, and the construction efficiency is improved.
In the prior art, manufacturers use an assembly type technology to construct a pool, for example, a prefabricated assembly type pool and an assembly method thereof disclosed in chinese patent No. CN20181010376805.0, and disclose the following technical features: the water-stopping steel plates are embedded at corners of the side walls of the pool, the side walls of the pool and the end part of the bottom plate of the pool, the water-stopping steel plates are in butt joint and full welding during installation, and concrete is utilized for joint pouring.
In addition, a prefabricated assembled sewage treatment tank disclosed in Chinese patent with publication number CN2017210645321.2 discloses the following technical characteristics: the bottom of the pool body, the side pool body and the transverse baffle body are all cast in a modular mode through structural steel bars and concrete.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides the prefabricated assembled biochemical pool of the sewage plant and the assembling method, which can meet the assembly construction of the pool with any size, have small difficulty in site construction, can effectively reduce the construction period, have more environment-friendly construction process and are suitable for overground and underground assembled pools.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a biochemical pond of prefabricated assembled sewage plant, includes L shape component, transverse baffle and prefabricated backing plate, L shape component includes integrated into one piece's side shield and bottom plate, at least two the relative setting of L shape component mirror image and assemble into U-shaped groove structure, just the bottom plate is laminated with the top surface of prefabricated backing plate and is installed on prefabricated backing plate, U-shaped groove structure length direction's both ends shutoff respectively have transverse baffle.
Preferably, the water-facing surfaces of the bottom plates of the two L-shaped members, which are close to each other, are respectively provided with first grooves, so that the two first grooves are communicated with each other when the two bottom plates are close to each other, and the first grooves are internally provided with transverse protruding ribs and longitudinal protruding ribs which extend into the bottom plates and are used for filling a post-cast strip to connect the two bottom plates.
Preferably, the two corresponding transverse steel bars in the two first grooves are connected through connecting steel bars.
Preferably, one side of the side baffle plate of the L-shaped member, which is far away from the water-facing surface, is provided with a plurality of second grooves from top to bottom, and is provided with a hole penetrating through a joint surface where the second grooves and the two side baffle plates are mutually jointed or a joint surface where the side baffle plates and the transverse baffle plates are mutually jointed, and the hole is used for connecting the two adjacent side baffle plates or connecting the two adjacent side baffle plates and the transverse baffle plate between the two adjacent side baffle plates; and the near water surfaces of the side baffles of two adjacent L-shaped members, which are close to each other, are respectively provided with a third groove for filling a waterproof mortar protective layer.
Preferably, a chamfer is arranged at a corner between the side baffle and the bottom plate, and the horizontal included angle of the chamfer ranges from 30 degrees to 60 degrees.
Preferably, the transverse baffle comprises a first transverse baffle and a second transverse baffle, the top surface of the first transverse baffle is provided with a blind hole, the blind hole is provided with an anchoring plate, the second transverse baffle is provided with a connecting hole penetrating through the blind hole and used for penetrating a steel bar and enabling the steel bar to sequentially penetrate through the anchoring plate and the blind hole so as to be connected with the first transverse baffle and the second transverse baffle, and the near water surface of the first transverse baffle and the second transverse baffle is provided with a fourth groove penetrating through each other so as to be filled with a waterproof mortar protective layer.
Preferably, the sealing paste, the water-swelling adhesive tape and the grouting material are filled in a gap between two adjacent bottom plates, a gap between the first transverse baffle or the second transverse baffle and the bottom plate and the side baffle, a gap between the two first transverse baffles or a gap between the two second transverse baffles.
Preferably, the bottom of the bottom plate is provided with a positioning hole, and the prefabricated base plate is provided with a positioning rod for inserting into the positioning hole to fix the bottom plate.
A method for installing a prefabricated assembled biochemical pool of a sewage plant comprises the following steps:
1) the L-shaped component and the transverse baffle are respectively integrally cast and molded;
2) transporting the L-shaped member and the transverse baffle to the site, and positioning a bottom plate of the L-shaped member and the prefabricated base plate;
3) the L-shaped components are sequentially installed from the transverse direction or the longitudinal direction, and the transverse baffle is installed after the preset size is reached according to the requirement of the water pool;
4) performing joint filling treatment on the joint of the L-shaped component and the transverse baffle by using sealant and water-swelling adhesive tapes;
5) filling and leveling the groove surfaces of the member by adopting concrete which is higher than the concrete used by the member by a grade;
6) completing conventional maintenance, and carrying out a full water test of the water tank;
7) and (4) after the water full test of the water tank is qualified, installing the auxiliary equipment of the water tank.
Preferably, in the step 3), more than two L-shaped members are sequentially connected, and a first transverse baffle and a second transverse baffle are sequentially connected, and the first transverse baffle is assembled with the L-shaped members; and 4) after the treatment of the connecting part in the step 4), welding the transverse steel bar of the anchoring base plate through the connecting steel bar, and performing quality detection.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the components are assembled according to the size of the on-site pool, the upper sides of the components are connected through bolts, the splicing seams are filled with sealing paste and water-swelling adhesive tapes, opposite reinforcing steel bars at the bottom of the components in the horizontal direction are connected in a welding or binding mode, grooves at the joints of the components are filled with high-grade micro-swelling concrete, after maintenance, a full water test is carried out, and after the pool passes the full water test, equipment is installed, so that the workload of on-site wet operation is greatly reduced, the construction process is more environment-friendly, resources are saved, and the construction cost of the pool is reduced.
Drawings
FIG. 1 is a cross-sectional view schematically illustrating a structure of a prefabricated assembled biochemical pool of a sewage plant according to the present invention;
FIG. 2 is an enlarged view A of FIG. 1;
FIG. 3 is a schematic top view of the connection between two adjacent L-shaped members of a prefabricated biochemical pool of a sewage plant according to the present invention;
FIG. 4 is a schematic cross-sectional view illustrating the interconnection of a first transverse baffle and a second transverse baffle of a biochemical pool of a prefabricated sewage plant according to the present invention;
FIG. 5 is a schematic cross-sectional view of an L-shaped member of a prefabricated assembled biochemical pool of a sewage plant of the present invention interconnected with a first transverse baffle;
FIG. 6 is a schematic cross-sectional view of a transverse baffle coupled between two L-shaped members of a biochemical pool of a prefabricated sewage plant according to the present invention;
fig. 7 is a schematic perspective view of a prefabricated assembled biochemical pool of a sewage plant according to the present invention.
In the figures, 1L-shaped member; 101. a side dam; 102. a base plate; 103. a first groove; 104. transversely forming ribs; 105. longitudinally forming ribs; 106. a second groove; 107. a third groove; 108. positioning holes; 2. a transverse baffle; 201. a first transverse baffle; 202. a second transverse baffle; 203. a fourth groove; 204. a fifth groove; 3. an anchoring plate; 4. a water-swellable adhesive tape; 5. grouting material; 6. prefabricating a base plate; 601. positioning a rod; 7. a bolt; 8. a sleeve; 9. a waterproof mortar protective layer; 10. post-pouring a belt; 11. connecting reinforcing steel bars; 12 sealing paste; 13. a steel bar.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 7, the embodiment of the invention discloses a prefabricated sewage plant biochemical pool, which comprises an L-shaped member 1, a transverse baffle 2 and a prefabricated backing plate 6, wherein the L-shaped member 1 comprises a side baffle 101 and a bottom plate 102 which are integrally formed, the two L-shaped members 1 are arranged oppositely in a mirror image manner and are assembled into a U-shaped groove structure, the bottom plate 102 is attached to the top surface of the prefabricated backing plate 6 and is installed on the prefabricated backing plate 6, and the transverse baffle 2 is respectively blocked at two ends of the U-shaped groove structure.
In this embodiment, as shown in fig. 2, first grooves 103 are respectively formed on the sides of the bottom plates 102 of the two L-shaped members 1, which are close to each other, so that the two first grooves 103 are communicated with each other when the two bottom plates 102 are close to each other, and a transverse protruding rib 104 and a longitudinal protruding rib 105 extending from the bottom plates 102 are formed in the first grooves 103 and are used for filling the post-cast strip 10 to connect the two bottom plates 102. The two corresponding transverse reinforcing bars 104 in the two first grooves 103 are welded or bound by the connecting reinforcing bars 11, so that the connecting structure between the two adjacent bottom plates 102 is more stable.
In this embodiment, a chamfer is provided at a corner between the side baffle 101 and the bottom plate 102, and a horizontal included angle of the chamfer ranges from 30 ° to 60 °.
In the embodiment, the L-shaped member 1 and the transverse baffle 2 are both cast by waterproof concrete with the strength grade not lower than C30, and the impermeability grade is P6 or above. The width of the L-shaped component 1 is between 0.5m and 4m, the height is between 0.5m and 8m, and the length of the bottom plate is between 0.5m and 4 m. Further, the wall thickness of the L-shaped member, the transverse baffle plate 1 and the transverse baffle plate 2 is between 150mm and 400 mm. The groove depth of the first groove 103, the second groove 106 and the third groove 107 is 60 mm-1/2 wall thickness; the width is between 100mm and 1/2 member width. The length of the transverse ribs 104 is consistent with the width of the slot.
In this embodiment, as shown in fig. 4, the transverse baffle 2 includes a first transverse baffle 201 and a second transverse baffle 202, a blind hole is formed in the top surface of the first transverse baffle 201, an anchor plate 3 is disposed at the blind hole, a connecting hole penetrating through the second transverse baffle 202 to the blind hole is formed in the second transverse baffle 202, the steel bar 13 is inserted into the steel bar 13 and sequentially penetrates through the anchor plate 3 and the blind hole to connect the first transverse baffle 201 and the second transverse baffle 202, and a fourth groove 204 penetrating through each other is formed in the water-facing surface of the first transverse baffle 201 and the second transverse baffle 202 to fill the waterproof mortar protection layer 9. The width of the second transverse baffle 202 is 2 times of the length of the bottom plate of the L-shaped component, the height is between 0.5m and 5m, the width of the second transverse baffle 202 is consistent with the width of the first transverse baffle 201, and the height is between 0.5m and 5 m. The second transverse baffle 202 is provided with downward through holes at the wall thickness 1/2, the number of the through holes is not less than 2, and the diameter of the through holes is not less than 20 mm. The blind hole on the first transverse baffle 201 should match with the position and diameter of the through hole of the second transverse baffle 202, and the depth of the opening of the first transverse baffle 201 should be between 300mm and the height of the first transverse baffle 201.
In this embodiment, as shown in fig. 3 and fig. 6, as shown, a plurality of second grooves 106 are formed in the side wall 101 of the L-shaped member 1 from top to bottom, and holes penetrating to the attaching surfaces of the second grooves 106 and the two side walls 101 or the attaching surfaces of the side walls 101 and the second transverse wall 3 are formed, the holes being used for penetrating bolts 7 to connect the two adjacent side walls 101 or to connect the two adjacent side walls 101 and the transverse wall 2 between the two adjacent side walls 101, and the bolts 7 are coaxially sleeved with the sleeves 8. The depth of the hole for passing the bolt 7 is 1/2 mm to the thickness of the side baffle. The edge of the side baffle 101 is provided with a third groove 107 on the water-facing surface, and the third grooves 107 of two adjacent side baffles 101 are communicated with each other and used for filling the waterproof mortar protective layer 9.
In this embodiment, as shown in fig. 5, a fourth groove 203 penetrating the first groove 103 is formed on the water-facing surface of the first transverse baffle 2 to fill the waterproof mortar protection layer 9 to connect the L-shaped member 1 and the first transverse baffle 3, so as to protect the underlying grouting material from water.
In this embodiment, as shown in fig. 1 to fig. 6, a gap between two adjacent bottom plates 102, a gap between the first transverse baffle 201 or the second transverse baffle 202 and the bottom plate 102 and the side baffle 101, a gap between two first transverse baffles 201 or a gap between two second transverse baffles 202 are sequentially filled with the sealant 12, the water-swellable adhesive tape 4, and the grouting material 5, where the sealant 12 is close to the waterside surface. The gap here means a gap between the abutting surfaces.
In this embodiment, the bottom of the bottom plate 102 is provided with a positioning hole 108, and the prefabricated base plate 6 is provided with a positioning rod 601 for inserting the positioning hole 108 to fix the bottom plate 102, thereby facilitating on-site installation and positioning.
The invention also discloses an installation method of the prefabricated assembled biochemical pool of the sewage plant, which comprises the following steps:
1) the L-shaped member 1 and the transverse baffle 2 are respectively integrally cast, maintained, detected and molded.
2) The L-shaped member 1 and the transverse baffle 2 are transported to the site, and the bottom plate 101 of the L-shaped member 1 and the prefabricated base plate 102 are positioned; the concrete strength of the prefabricated base plate 6 is not lower than C10, and positioning steel bars are embedded in the prefabricated base plate 6 to serve as positioning rods 601; the positioning rod 601 should match the depth (length) and diameter of the bottom positioning hole 108 of the bottom plate 102.
3) The L-shaped components 1 are sequentially installed from the transverse direction or the longitudinal direction, and the transverse baffle 2 is installed after the preset size is reached according to the requirement of the water pool;
4) performing joint filling treatment on the joint of the L-shaped component 1 and the transverse baffle 2 by using sealant and a water-swelling adhesive tape 4;
5) filling and leveling the groove surfaces of the member by adopting concrete which is higher than the concrete used by the member by a grade;
6) completing conventional maintenance, and carrying out a full water test of the water tank;
7) and (4) after the water full test of the water tank is qualified, installing the auxiliary equipment of the water tank.
In this embodiment, in step 3), more than two L-shaped members 1 are sequentially connected, and a first transverse baffle 201 and a second transverse baffle 202 are sequentially connected, and the first transverse baffle 201 is assembled with the L-shaped members 1; and 4) after the treatment of the connecting part is finished in the step 4), welding a transverse steel bar 104 of the anchoring base plate through the connecting steel bar 11, and performing quality detection.
Compared with the common A, the prefabricated assembled biochemical pool for the sewage plant and the installation method thereof2The method for producing the biochemical pool of the O sewage plant can reduce the construction period, reduce the on-site manpower input and ensure that the construction process is more environment-friendly. The concrete effects are as follows:
1. the components are produced in a component factory and then transported to the site, the production precision of the components is controllable, and the waste of materials is reduced;
2. the pool components are designed optimally, so that the component types are few, and the production cost of the components is reduced;
3. by arranging the positioning rod and the positioning hole, the accuracy of on-site hoisting of the component is ensured, the difficulty of on-site installation is reduced, and the subsequent anti-seepage treatment of the water pool is facilitated;
4. the field cast-in-place engineering quantity is reduced, and the influence on the surrounding environment is reduced;
5. the reinforcing ribs are arranged at the corners of the L-shaped member 1, so that the strength of the member is increased, and dead angles are avoided.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.