Biochemical pool for secondary treatment of rain and sewage mixed water

Abstract

The utility model discloses a biochemical pool for secondary treatment of rain and sewage mixed water. The biochemical pool comprises a concrete pool, the concrete pool is built in backfill soil through a pool building platform, a cast-in-place concrete layer is built at the top of the backfill soil, a PE water storage tank is installed in the concrete pool, and a water inlet pipe installation head penetrating through the concrete pool is installed at the top of one side of the PE water storage tank. The biochemical pool is formed by combining the concrete pool and the PE water storage tank, and the waterproof coating and the outer waterproof structure layer are respectively arranged inside and outside the concrete pool, so that the longer waterproof effect of the concrete pool is ensured; according to the device, the biochemical pool is prevented from permeating in the process of biochemical treatment of the rain-sewage mixed water, so that the safety of soil and water resources near the biochemical pool is ensured, and meanwhile, the situation that an external water source cannot permeate when the biochemical pool is used for treating the rain-sewage mixed water can be ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to rain and sewage mixed water treatment technical field, concretely is a kind of biochemical pond for secondary treatment rain and sewage mixed water. BACKGROUND

[0002] With the acceleration of urbanization, urban rainwater problems and combined drainage system overflow pollution problems become increasingly serious, have become one of the main constraints of the improvement of water quality in some cities, while the expansion project of sewage treatment plant for combined overflow sewage and initial rainwater and other problems intensifies the challenge to local government, combined drainage system is through a set of pipes to collect and transport various types of sewage and rainwater drainage system, when the flow exceeds the processing capacity of sewage treatment facilities, part of overflow wastewater is discharged to natural water body, such as lake, river, bay, etc., city combined drainage system overflow sewage contains a variety of pathogenic microorganisms, nitrogen and phosphorus nutrients and toxic and harmful substances, if not effectively treated directly into the water, it will seriously damage the water environment function and endanger human health, therefore, rain and sewage mixed water needs to be treated before being discharged to natural environment, and biochemical treatment is a key step.

[0003] The existing biochemical pond for secondary treatment rain and sewage mixed water has the following defects:

[0004] 1、The existing biochemical pond for secondary treatment rain and sewage mixed water generally uses a water storage pool built directly with concrete, which is prone to internal and external permeation during long-term use without perfect waterproof measures, thus causing the water of external soil to be contaminated, and further polluting the water quality near the biochemical pond.

[0005] 2、The existing biochemical pond for secondary treatment rain and sewage mixed water does not set partitions, and directly treats a pool of water during biochemical treatment, which has low treatment efficiency and cannot achieve treatment and discharge simultaneously, so the biochemical treatment efficiency is low and cannot meet the treatment of rain and sewage mixed water with large discharge amount. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a biochemical pond for secondary treatment rain and sewage mixed water to solve the problems in the above background technology.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a biochemical pool for secondary treatment rain and sewage mixed water, including concrete pool, the concrete pool is built in the inside of backfill soil through pool building platform, and the top of backfill soil is built with cast-in-place concrete layer, the inside of concrete pool is installed with PE water storage tank, the top of one side of PE water storage tank is installed with water inlet pipe mounting head penetrating concrete pool, and the other side of PE water storage tank at water inlet pipe mounting head corresponding position penetrates concrete pool and is installed with drain pipe mounting head, one side of the inside of PE water storage tank close to drain pipe mounting head is equipped with baffle, and the position close to the top of baffle is equipped with filter mechanism,

[0008] The filter mechanism includes a detachable filter plate, a filter screen, and mounting bolts.

[0009] The inside of the PE water storage tank below the drain pipe mounting head is installed with an additive end, and the output end of the additive end is provided with a medicine guide pipe penetrating the baffle, and the end of the medicine guide pipe is provided with a medicine guide nozzle.

[0010] Preferably, the bottom of the pool building platform is built with a foundation, and the bottom of the foundation is built with a foundation pile, and the inside of the foundation pile is provided with a steel reinforcement cage.

[0011] Preferably, the outer surface of the concrete pool is built with an outer waterproof structure layer, and the inner side wall of the concrete pool is coated with a waterproof coating.

[0012] Preferably, the top of the cast-in-place concrete layer is provided with a groove, and the inside of the groove is placed with a detachable protective cover plate, and the top of the detachable protective cover plate is provided with two groups of suspension holes.

[0013] Preferably, the top of the PE water storage tank is provided with an inspection and cleaning hole, and the top of the inspection and cleaning hole is placed with a sealing cover, and the bottom of the sealing cover is provided with a sealing disc embedded into the inspection and cleaning hole.

[0014] Preferably, the water inlet pipe mounting head includes a first sleeve embedded in the inside of the concrete pool, and the inside of the first sleeve is installed with a drain pipe extending to the outside wall of the concrete pool, the input end of the drain pipe is provided with an external water pipe mounting hole, and the inside of the external water pipe mounting hole is provided with a waterproof gasket, the drain pipe mounting head and the water inlet pipe mounting head adopt the same structure, the output end of the water inlet pipe mounting head is installed with a water inlet pipe through a mounting head, and the water inlet pipe extends to the bottom of the PE water storage tank.

[0015] Preferably, the additive end is installed on the side wall of the concrete pool through a second sleeve, and the input end of the additive end is provided with a mounting pipe head.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1, the utility model discloses a concrete water pool and the mode of PE water storage tank combination constitutes biochemical pool, in addition is provided with waterproof coating and outer waterproof structure layer respectively in the inside and outside of concrete water pool, thereby guarantee the waterproof effect of concrete water pool longer, make biochemical pool avoid the situation of seepage in the biochemical treatment of rain and sewage mixed water, thereby guarantee the safety of the soil and water resources near biochemical pool, and can guarantee that biochemical pool does not have the situation of outside water source seepage when treating rain and sewage mixed water.

[0018] 2, the utility model discloses the inside of PE water storage tank is provided with the baffle, thereby divides biochemical pool into two areas, and the introduction biochemical treatment reagent of water pipe one side can carry out biochemical treatment to sewage, and mixed water will be discharged to the one end of drainpipe and is discharged in the process of handling through the filter mechanism with filter screen, make the whole biochemical pool can drain in the biochemical treatment process effect, relative to one pool water simultaneously biochemical treatment and then discharge efficiency is higher, and can be used in the sewage treatment occasion of larger displacement. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structural schematic diagram of the utility model;

[0020] Figure 2 It is the structural schematic diagram of the utility model Figure 1 It is the detail enlarged schematic diagram of A place in the utility model;

[0021] Figure 3 It is the detail enlarged schematic diagram of B place in the utility model Figure 1 It is the detail enlarged schematic diagram of C place in the utility model;

[0022] Figure 4 It is the detail enlarged schematic diagram of C place in the utility model; Figure 1 It is the detail enlarged schematic diagram of C place in the utility model;

[0023] Figure 5 It is the filter plate local structure schematic diagram of the utility model Figure 1 It is the filter plate local structure schematic diagram of the utility model

[0024] In the figure: 1, backfill soil; 101, cast-in-place concrete layer; 102, groove; 2, pool construction platform; 201, foundation; 202, foundation pile; 203, reinforcement cage; 3, concrete pool; 301, outer waterproof structure layer; 302, waterproof coating; 4, water inlet pipe mounting head; 401, external water pipe mounting hole; 402, waterproof washer; 403, first sleeve; 404, drain pipe; 5, detachable protective cover plate; 501, suspension hole; 6, water inlet pipe; 601, mounting head; 7, PE water storage tank; 701, maintenance and cleaning hole; 702, sealing cover; 703, sealing disc; 8, partition plate; 9, drain pipe mounting head; 10, filtering mechanism; 1001, detachable filter plate; 1002, filter screen; 1003, mounting bolt; 11, additive end; 1101, medicine guide pipe; 1102, medicine guide nozzle; 1103, second sleeve; 1104, mounting pipe head. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] Please refer to Figures 1-5An embodiment of this utility model is provided: a biochemical tank for secondary treatment of mixed rainwater and sewage, including a concrete tank 3; the concrete tank 3 is constructed inside backfill soil 1 via a tank construction platform 2, and a cast-in-place concrete layer 101 is constructed on top of the backfill soil 1; a PE water storage tank 7 is installed inside the concrete tank 3; an inlet pipe installation head 4 is installed on the top of one side of the PE water storage tank 7, penetrating the concrete tank 3; and a drain pipe installation head 9 is installed on the other side of the PE water storage tank 7 at the corresponding position of the inlet pipe installation head 4, penetrating the concrete tank 3; a partition 8 is provided inside the PE water storage tank 7 on the side near the drain pipe installation head 9; and a filter mechanism 10 is provided near the top of the partition 8.

[0029] The filtration mechanism 10 includes a detachable filter plate 1001, a filter screen 1002, and mounting bolts 1003. The detachable filter plate 1001 is mounted on the side of the partition 8 by the mounting bolts 1003, and the filter screen 1002 is provided in the middle part of the detachable filter plate 1001.

[0030] An additive end 11 is installed inside the PE water storage tank 7 below the drain pipe installation head 9, and the output end of the additive end 11 is provided with a medicine guide pipe 1101 that penetrates the partition 8, and the end of the medicine guide pipe 1101 is provided with a medicine guide nozzle 1102.

[0031] Specifically, the concrete pool 3 ensures the stability of the biochemical pool and facilitates the installation of the PE storage tank 7. The pool construction platform 2 facilitates the construction of the concrete pool 3. The backfill soil 1 and the cast-in-place concrete layer 101 protect the concrete pool 3. The PE storage tank 7 stores the mixed rainwater and sewage, thus facilitating the biochemical treatment of the mixed water. The partition 8 divides the PE storage tank 7 into two sections. The inlet pipe installation head 4 facilitates the discharge of mixed water into the PE storage tank 7 for biochemical treatment. The additive end head 11 facilitates the injection of biochemical agents into the biochemical pool. The drug delivery pipe 1101 facilitates the delivery of agents. The drug delivery nozzle 1102 sprays out the agents, thus fully treating the mixed water. The filtration mechanism 10 filters the biochemically treated mixed water before discharge. The detachable filter plate 1001 facilitates the installation of the filter screen 1002. The filter screen 1002 filters the mixed water, and the filtered water can be discharged through the drain pipe installation head 9.

[0032] Furthermore, a foundation 201 is constructed at the bottom of the pool construction platform 2, and a foundation pile 202 is constructed at the bottom of the foundation 201, with a steel reinforcement cage 203 inside the foundation pile 202.

[0033] Specifically, the foundation 201 can ensure the stability of the water tank construction platform 2, the foundation piles 202 can ensure its bearing capacity, and the steel cage 203 can further increase the rigidity of the foundation piles 202.

[0034] Further, the outer surface of the concrete pool 3 is built with an outer waterproof structure layer 301, and the inner side wall of the concrete pool 3 is coated with a waterproof coating layer 302.

[0035] Specifically, the outer waterproof structure layer 301 can ensure the waterproof effect of the outside of the concrete pool 3, and the waterproof coating layer 302 can ensure the waterproof effect of the inside of the concrete pool 3.

[0036] Further, the top of the cast-in-place concrete layer 101 is provided with a groove 102, and the inside of the groove 102 is placed with a detachable protective cover plate 5, and the top of the detachable protective cover plate 5 is provided with two groups of suspension holes 501.

[0037] Specifically, the groove 102 facilitates the hidden installation of the detachable protective cover plate 5, and the suspension hole 501 can facilitate the disassembly of the detachable protective cover plate 5.

[0038] Further, the top of the PE water storage tank 7 is provided with an inspection and cleaning hole 701, and the top of the inspection and cleaning hole 701 is placed with a sealing cover 702, and the bottom of the sealing cover 702 is provided with a sealing disc 703 embedded in the inspection and cleaning hole 701.

[0039] Specifically, the inspection and cleaning hole 701 can facilitate the maintenance and cleaning operation of the PE water storage tank 7 by the staff, the sealing cover 702 can seal the inspection and cleaning hole 701, and the sealing disc 703 can ensure the sealing of the inspection and cleaning hole 701.

[0040] Further, the water inlet pipe mounting head 4 includes a first sleeve 403 embedded in the inside of the concrete pool 3, and the first sleeve 403 is internally provided with a drain pipe 404 extending to the outside wall of the concrete pool 3, and the input end of the drain pipe 404 is provided with an external water pipe mounting hole 401, and the inside of the external water pipe mounting hole 401 is provided with a waterproof gasket 402, and the drain pipe mounting head 9 adopts the same structure as the water inlet pipe mounting head 4, and the output end of the water inlet pipe mounting head 4 is mounted with a water inlet pipe 6 through a mounting head 601, and the water inlet pipe 6 extends to the bottom of the PE water storage tank 7;

[0041] Specifically, the first sleeve 403 can ensure the tight installation of the drain pipe 404, the external water pipe mounting hole 401 can facilitate the connection of the external water pipe, the waterproof gasket 402 can ensure the sealing of the water pipe connection, avoid the occurrence of water seepage, and the water inlet pipe 6 can be installed on the inner wall of the PE water storage tank 7 at the position of the water inlet pipe mounting head 4 through the mounting head 601, and can be communicated with the drain pipe 404.

[0042] Further, the additive end head 11 is mounted on the side wall of the concrete pool 3 through a second sleeve 1103, and the input end of the additive end head 11 is provided with a mounting pipe head 1104.

[0043] Specifically, the second sleeve 1103 facilitates the fixed installation of the additive end 11, and the installation pipe head 1104 can facilitate the fixed connection of the externally connected medicament pipe.

[0044] Working principle: when in use, the mixed water after preliminary treatment is connected to the water inlet pipe installation head 4 through a water pipe, and is connected to the mixed water discharge pipe through the water discharge pipe installation head 9, and then the biochemical treatment medicament is connected to the biochemical tank through the additive end 11, in the treatment process, the mixed water is introduced into the PE water storage tank 7 through the water inlet pipe installation head 4, the biochemical medicament is introduced into the mixed water for biochemical treatment through the medicine guide pipe 1101 and the medicine guide nozzle 1102, the mixed water after biochemical treatment is discharged after being filtered through the filtering mechanism 10, and finally is discharged through the mixed water discharge pipe externally connected to the water discharge pipe installation head 9, the whole biochemical treatment process is carried out in the PE water storage tank 7 installed in the concrete pool 3, so that the water seepage phenomenon is avoided.

[0045] The parts not described in the utility model are the known technology of the person skilled in the art.

[0046] Finally, it should be noted that: the above specific embodiments are only used to illustrate the technical scheme of the utility model and are not limited, although the utility model is described in detail with reference to the embodiments, those skilled in the art should understand that the technical scheme of the utility model can be modified and replaced equivalently without departing from the spirit and scope of the technical scheme of the utility model, and all should be covered in the scope of the claims of the utility model.

Claims

1. A biological tank for secondary treatment of rainwater and sewage mixture, comprising a concrete tank (3); characterized in that: The concrete pool (3) is built in the backfill (1) by the pool building platform (2), and the top of the backfill (1) is built with a cast-in-place concrete layer (101), a PE water storage tank (7) is installed in the concrete pool (3), a water inlet pipe mounting head (4) penetrating the concrete pool (3) is installed at the top of one side of the PE water storage tank (7), and a drain pipe mounting head (9) penetrating the concrete pool (3) is installed at the other side of the PE water storage tank (7) at the corresponding position of the water inlet pipe mounting head (4), a partition plate (8) is arranged on one side of the PE water storage tank (7) close to the drain pipe mounting head (9), and a filter mechanism (10) is arranged on the partition plate (8) close to the top position. The filter mechanism (10) comprises a detachable filter plate (1001), a filter screen (1002) and mounting bolts (1003), the detachable filter plate (1001) is mounted on the side of the partition plate (8) by the mounting bolts (1003), and the filter screen (1002) is arranged at the middle part of the detachable filter plate (1001). An additive end head (11) is installed in the PE water storage tank (7) below the drain pipe mounting head (9), an additive pipe (1101) penetrating the partition plate (8) is arranged at the output end of the additive end head (11), and a medicine spraying head (1102) is arranged at the end of the additive pipe (1101).

2. The biochemical tank for secondary treatment of rainwater and sewage mixture according to claim 1, characterized in that: The bottom of the pool building platform (2) is built with a foundation (201), and the bottom of the foundation (201) is built with a foundation pile (202), and the inside of the foundation pile (202) is provided with a steel reinforcement cage (203).

3. The biochemical tank for secondary treatment of rainwater and sewage mixture according to claim 1, characterized in that: The outer surface of the concrete pool (3) is built with an outer waterproof structure layer (301), and the inner side wall of the concrete pool (3) is coated with a waterproof coating (302).

4. The biochemical tank for secondary treatment of rainwater and sewage mixture according to claim 1, characterized in that: The top of the cast-in-place concrete layer (101) is provided with a groove (102), and a detachable protective cover plate (5) is arranged in the groove (102), and the top of the detachable protective cover plate (5) is provided with two groups of suspension holes (501).

5. The biological treatment tank for treating rainwater and sewage mixture according to claim 1, wherein: The top of the PE water storage tank (7) is provided with an inspection and cleaning hole (701), and a sealing cover (702) is arranged on the top of the inspection and cleaning hole (701), and the bottom of the sealing cover (702) is provided with a sealing disc (703) embedded in the inspection and cleaning hole (701).

6. The biochemical tank for secondary treatment of rainwater and sewage mixture according to claim 1, characterized in that: The first sleeve (403) embedded in the concrete pool (3) is arranged in the water inlet pipe mounting head (4), and the drain pipe (404) extending to the outer side wall of the concrete pool (3) is arranged in the first sleeve (403), the input end of the drain pipe (404) is provided with an external water pipe mounting hole (401), and the internal of the external water pipe mounting hole (401) is provided with a waterproof gasket (402), the drain pipe mounting head (9) and the water inlet pipe mounting head (4) have the same structure, the output end of the water inlet pipe mounting head (4) is provided with a water inlet pipe (6) through the mounting head (601), and the water inlet pipe (6) extends to the bottom of the PE water storage tank (7).

7. The biochemical tank for secondary treatment of rainwater and sewage mixture according to claim 1, characterized in that: The additive end head (11) is installed on the side wall of the concrete pool (3) through a second sleeve (1103), and the input end of the additive end head (11) is provided with a mounting pipe head (1104).

Images