CN218346381U - Sediment, interception formula drainage valve inspection shaft - Google Patents

Abstract

The utility model discloses a deposit, interception formula drainage valve inspection shaft comprises sediment trash rack, valve well and connection transition well. Wherein the precipitation trash-blocking well is divided into a primary precipitation trash-blocking well section and a secondary precipitation transition well section, a trash-blocking grid is arranged in the middle (the top of the trash-blocking well section is provided with a trash-absorbing opening close to the side of the climbing ladder), the primary precipitation trash-blocking well section is connected with an upstream pipeline, and the secondary precipitation transition well section is connected with a valve well; a buttress, a pipeline and a valve suitable for a drainage system are arranged in the valve well; the connecting transition well is arranged to fall and is communicated with the middle valve well and the downstream pipeline. When the distance between the drainage systems does not exceed every seat/1000 m, the work of building and removing plugs is avoided when the drainage systems are subjected to water closing tests and local pipe section maintenance, and meanwhile, the work of cleaning operation without mud and garbage in a well is realized.

Description

Sediment, interception formula drainage valve inspection shaft

Technical Field

The utility model relates to a drainage valve inspection shaft, especially a drainage valve inspection shaft with deposit and interception function is suitable for municipal administration rain sewage drainage system.

Background

The urban drainage system is an important component in urban construction, whether the running condition of a urban drainage pipe network is good or not is judged, and the maintenance and management of a later-stage pipe network have decisive influence except the rationality of early-stage planning and design.

Along with the continuous expansion of urban construction scale, urban drainage pipe network systems are more and more complex and huge, the situations of pipeline blockage, leakage, road collapse and the like caused by the urban drainage pipe network systems are continuous, and urban drainage is unsmooth due to pipeline blockage in rainy seasons, so that waterlogging is formed, and the daily maintenance and management are particularly important. When the pipe network has the above conditions, local pipe sections need to be temporarily plugged and guided to a great extent so as to maintain the pipeline at the fault section, the plugging operation usually needs a professional to enter an inspection well for water-carrying operation, the later-stage operation needs to be dismantled, and the building and dismantling cost is high and the danger is large. In addition, the convenience factors of later maintenance management are rarely considered in the early planning and design, so that the municipal drainage pipe network is optimally designed, and the municipal drainage pipe network needs to be innovatively designed in the aspect of convenient later maintenance management besides the optimal design of plane arrangement routing, burial depth, facility lifting and pipe diameter size.

SUMMERY OF THE UTILITY MODEL

In order to reduce later stage drainage system maintenance management's construction cost and safe operation risk, this the principle of the later stage management maintenance of being convenient for, the utility model provides a valve drainage inspection shaft with deposit, interception function.

The utility model discloses the theory of operation does:

1. the upstream pipeline drainage body is discharged into a primary precipitation trash holding section of the trash holding precipitation well, large suspended solids in the drainage body are precipitated due to gravity, and floating objects in the drainage body are intercepted by the trash holding grating and then discharged to a secondary precipitation transition section to be continuously precipitated and then discharged into the valve well. The sediment drain body after blocking is through the pipeline and the valve inflow connection transition well of valve well, arranges to the pipeline of low reaches through falling, and the process of passing through of inspection shaft is accomplished to the drain body.

2. And (4) fishing out the sediment and the intercepted floating objects in the trash blocking sedimentation well from the well chamber through a ground sewage suction truck and an artificial ground, and abandoning the sediment and the intercepted floating objects to a specified treatment station for treatment.

3. When the valve in the valve well is in an open state, the drainage body normally flows through the inspection well; when the valve is closed, the water flowing through the drainage body is blocked.

4. And the drainage body flows into a downstream pipeline after falling due to the height difference in the connecting transition well.

The utility model discloses a technical scheme be a deposit, interception formula drainage valve inspection shaft, block dirty well, valve well and connect the transition well by depositing and constitute, sediment and block dirty well, valve well and connect transition well structure as an organic whole. The sedimentation trash-blocking well is divided into a primary sedimentation trash-blocking well section and a secondary sedimentation transition well section, and trash-blocking grids are arranged between the primary sedimentation trash-blocking well section and the secondary sedimentation transition well section; the primary sedimentation trash-blocking well section is connected with an upstream pipeline; the secondary sedimentation transition well section is connected with the valve well; a buttress, a pipeline and a valve for a drainage system are arranged in the valve well, the buttress is provided with the pipeline, and the pipeline is provided with the valve; the connection transition well is provided with a drop which is communicated with the middle valve well and the downstream pipeline.

The sediment trash-blocking well, the valve well and the connecting transition well are three independent well chambers.

The pipeline is a PE pipe.

The trash rack is characterized in that suspended solid particles in the water discharged from the sediment trash rack and floating objects in the intercepting water discharged body are collected and precipitated. And the connection transition of the bearing valve well and the upstream pipeline.

The valve can block the water discharging body in sections at the upstream or the downstream.

The falling between the connecting valve well and the connecting transition well has a certain elevation difference, and the elevation difference can improve the water quality of the drainage body, accelerate the flow velocity and bear the connecting transition effect of the valve well and a downstream pipeline.

The utility model discloses the function does:

1. a trash rack is arranged in a well of the trash rack sedimentation well and mainly used for intercepting floating garbage in the rain sewage, preventing the floating garbage from blocking pipelines and valves and precipitating solid suspended particles in the rain sewage. The mud of sediment is abandoned to the processing station outward through the soil pick-up car extraction, and the rubbish that floats of interception is salvaged through artifical ground, and the dress is abandoned outward to the refuse treatment factory. The trash-blocking sediment well can be connected with pipelines made of different materials at the upstream, and a water suction pump is placed in a well chamber during diversion and drainage.

2. During the water closing test in the construction period, the working contents of building and plugging removal are saved, and the development of field energy conservation and green construction is facilitated.

3. And the flowing water is blocked in a segmented manner during later-stage fault section maintenance, so that the fault section is ensured to operate without water, and the maintenance cost and the safety accident risk are reduced.

4. The transition well is connected and transited with downstream pipelines made of different materials; the height difference is arranged in the well to form a drop, which is beneficial to improving the water quality, accelerating the flow velocity and reducing the deposition condition in the pipeline; and when the diversion water body is drained, draining the diversion water body to the well.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses can deposit the solid suspended particles in the drainage body and the floating garbage in the interception water, can fundamentally solve the stifled condition of silt that drainage system caused because of deposit and floating garbage, the routine maintenance management of the later stage pipe network of being convenient for.

The utility model discloses a set up the valve, saved the work content of building by laying bricks or stones, demolising the shutoff when closing the water test, be favorable to developing of on-the-spot energy-conservation and green construction. The utility model discloses a set up the valve, built by laying bricks or stones, demolish the work content of shutoff when having saved later stage trouble section maintenance, avoided the operation of well logging area water, reduced cost of maintenance and incident risk.

The utility model discloses a setting is fallen, is favorable to the drainage body to improve quality of water and, accelerate the velocity of flow and reduce the deposit condition in the pipeline.

Drawings

Fig. 1 is a schematic diagram of a sediment and interception type valve drainage inspection well.

FIG. 2 is a schematic diagram of a water shut-off test.

FIG. 3 is a schematic view of a service pipe section.

In the figure, 1, an upstream pipeline, 2, a primary precipitation trash-blocking well section, 3, a trash-absorbing opening is arranged at the top of a trash-blocking grid close to a ladder, 4, a secondary precipitation transition well section, 5, a buttress, 6, a pipeline (PE pipe), 7, a valve, 8, a drop, 9, a downstream pipeline, I, a precipitation trash-blocking well, II, III, a connection transition well, A, a test section, B, a test section and C, a fault maintenance pipe section are arranged.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

the utility model provides a deposit, interception formula drainage valve inspection shaft, is blocked dirty well I, valve well II and is connected transition well III by the sediment and constitute, deposit and block dirty well I, valve well II and connect transition well III and be the integral structure. The sedimentation trash-holding well I is divided into a primary sedimentation trash-holding well section 2 and a secondary sedimentation transition well section 4, and a trash rack 3 is arranged between the primary sedimentation trash-holding well section 2 and the secondary sedimentation transition well section 4; the primary sedimentation trash-blocking well section 2 is connected with an upstream pipeline 1; the secondary sedimentation transition well section 4 is connected with a valve well II; a buttress 5, a pipeline 6 and a valve 7 for a drainage system are arranged in the valve well II; be provided with in connecting transition well III and fall 8, fall 8 and all communicate with middle valve well II and low reaches pipeline 9.

The sedimentation trash-blocking well I, the valve well II and the connecting transition well III are three independent well chambers.

Deposit trash rack I joinable upper reaches pipeline 1 of different materials to set up once and deposit trash rack 2 and secondary and deposit changeover portion 4, set up trash rack 3 in the well simultaneously. The function of the device is to collect and precipitate suspended solid particles in the drainage body passing through the precipitation trash-blocking well I and intercept floating objects in the drainage body. Meanwhile, the connection transition effect of the valve well II and the pipeline 1 made of different materials on the upstream is borne.

The valve well II is different from a conventional drainage inspection well, and a PE pipe and a valve device suitable for a drainage system are arranged in the valve well II. The function of the valve is to block the drainage body with the upstream or downstream valve II section by section.

Connect transition well III to set up and fall 8, fall 8 and have certain elevation difference, this elevation difference can improve drainage body quality of water and accelerate the velocity of flow, has born valve well II and the different material pipeline 9's of low reaches connection transition effect.

The distance between the drainage systems does not exceed every seat/1000 m, and when the drainage systems are subjected to water closing tests and local pipe section maintenance, the work of building and plugging removal is avoided, and meanwhile, the operation of cleaning sludge and garbage without going into a well is realized.

The present invention will be described in detail below with reference to the accompanying drawings and examples.

The utility model is composed of a precipitation trash-holding well I, a valve well II and a connecting transition well III as shown in figure 1, wherein the precipitation trash-holding well I is divided into a primary precipitation trash-holding well section 2 and a secondary precipitation transition well section 4, a trash-holding opening is arranged at the top of a trash rack 3 near a ladder stand between the primary precipitation trash-holding well section 2 and the secondary precipitation transition well section 4; the primary sedimentation trash-blocking well section 2 is connected with an upstream pipeline 1, and the secondary sedimentation transition well section 4 is connected with a valve well II; a buttress 5, a pipeline 6 and a valve 7 suitable for a drainage system are arranged in the valve well II; and the connecting transition well III is provided with a drop height difference and is communicated with the intermediate valve well II and a downstream pipeline 9.

As shown in FIG. 2, the length of the first test segment A and the second test segment B does not exceed 1000m. When the first section A of the test is used for carrying out the water closing test, the first valve 7-1 and the second valve 7-2 in the first section A and the second section B of the test are closed firstly, then the first section of the test is carried out for injecting water, and the water closing test is completed according to relevant specifications; after the water closing of the first test section A is finished, the third valve 7-3 of the second test section B is closed, the second valve 7-2 between the first test section A and the second test section B is opened, water is injected into the first test section, namely, the water flows into a pipeline of the second test section B, after the water level is balanced, the second valve 7-2 between the first test section A and the second test section B is closed, the residual water in the first test section A is pumped into the second test section B, and then the water closing test of the second test section B is finished according to relevant specifications. And by parity of reasoning, the water-closing test of other pipe sections is completed.

As shown in fig. 3, when the fault maintenance pipe section C is subjected to fault maintenance, firstly, the water pumping equipment is lowered into the precipitation trash-blocking well i-1, and the upstream drainage body is guided into the connecting transition well iii-2; then, starting a pumping device to conduct diversion and drainage, and closing a fourth valve 7-4 and a fifth valve 7-5 in the fault maintenance pipe section C; finally, water pumping equipment is placed in the precipitation trash-blocking well I-2, and water stored in the fault maintenance pipe section C is drained into the connection transition well III-2, so that the water-free state of the fault maintenance pipe section C is achieved. After the maintenance of the fault maintenance pipe section C is completed, withdrawing the pumping equipment, and if water needs to be closed, directly injecting water into the fault maintenance pipe section C, and closing the water according to the standard requirement; and if the water does not need to be closed, opening the fourth valve 7-4 and the fifth valve 7-5 in the fault maintenance pipe section C, and completing the water communication of the fault maintenance pipe section C.

Claims (4)

1. The utility model provides a deposit, interception formula drainage valve inspection shaft which characterized in that: the device consists of a precipitation trash-blocking well, a valve well and a connecting transition well, wherein the precipitation trash-blocking well, the valve well and the connecting transition well are of an integrated structure; the sedimentation trash-blocking well is divided into a primary sedimentation trash-blocking well section and a secondary sedimentation transition well section, and trash-blocking grids are arranged between the primary sedimentation trash-blocking well section and the secondary sedimentation transition well section; the primary sedimentation trash-blocking well section is connected with an upstream pipeline; the secondary sedimentation transition well section is connected with the valve well; a buttress, a pipeline and a valve for a drainage system are arranged in the valve well, the buttress is provided with the pipeline, and the pipeline is provided with the valve; the connection transition well is provided with a drop which is communicated with the middle valve well and the downstream pipeline.

2. The sediment trap inspection well of claim 1, wherein: the sediment trash-blocking well, the valve well and the connecting transition well are three independent well chambers.

3. A sediment, intercept drainage valve manhole as claimed in claim 1, wherein: the pipeline is a PE pipe.

4. A sediment, intercept drainage valve manhole as claimed in claim 1, wherein: the drop between the connecting valve well and the connecting transition well has a certain height difference.

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