CN211922892U - Device for converting gravity flow drainage into pressure flow drainage - Google Patents
Device for converting gravity flow drainage into pressure flow drainage Download PDFInfo
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- CN211922892U CN211922892U CN202020179555.8U CN202020179555U CN211922892U CN 211922892 U CN211922892 U CN 211922892U CN 202020179555 U CN202020179555 U CN 202020179555U CN 211922892 U CN211922892 U CN 211922892U
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Abstract
The utility model provides a gravity flow drainage turns into device of pressure flow drainage, including the gravity drain pipe, its characterized in that gravity drain pipe exit end and grid canal intercommunication, the grid canal is equipped with the siphon drain pipe in through overflow mouth and bleeder line and switching well intercommunication, switching well, siphon drain pipe and pressure drain pipe intercommunication. Can flow the drainage at gravity and get into behind the grid ditch, flow into in the conversion well through the overflow mouth earlier, after the water level in the conversion well rises to the valve opening water level of ball-cock assembly, the ball-cock assembly is opened to progressively increase the opening degree, the flow that the drainage got into the conversion well through the bleeder line increases rapidly, make the drainage section at siphon drainage top reach the intraductal top from the intraductal bottom rapidly and form full flow, produce the siphon effect, form the pressure flow in pressure drain pipe. The structure is simple, the operation is reliable, the service life is long, a large number of inspection wells are not needed to be arranged along the way, the investment is saved, the cost is low, and the pipe arrangement is not limited by the requirement of the drop height.
Description
Technical Field
The utility model relates to a turn into device of pressure flow drainage with gravity flow drainage belongs to outdoor plumbing technical field.
Background
According to the relevant standard requirements of outdoor drainage, the design of an outdoor drainage pipe system mainly uses gravity flow and is not provided with or provided with few lifting pump stations. When gravity drainage is not available or uneconomical, pressure flow may be used. Because the gravity flow drainage pipeline can not be designed according to full flow, an inspection well must be arranged along the pipeline, and the flow rate of the pipeline is also higher, so that the gravity flow drainage is more complex and uneconomical in mountainous areas and other areas with larger terrain height difference. However, the energy waste is caused by the lifting pump in the area with larger height difference to convert the gravity flow into the pressure flow, so that the improvement of the prior art is needed.
Disclosure of Invention
For effectively utilizing the terrain height difference to turn into the gravity flow drainage pressure flow drainage with gravity flow drainage, the utility model provides an energy-conserving, economical device with gravity flow drainage transformation pressure flow drainage.
The utility model discloses a following technical scheme accomplishes: a device for converting gravity flow drainage into pressure flow drainage comprises a gravity drainage pipe, and is characterized in that the outlet end of the gravity drainage pipe is communicated with a grid channel, the grid channel is communicated with a conversion well through an overflow port and a drainage pipe, a siphon drainage pipe is arranged in the conversion well, and the siphon drainage pipe is communicated with the pressure drainage pipe; the drainage pipe is provided with a reversely mounted ball float valve, the valve is closed by the gravity of the ball float valve, and the valve is opened by the buoyancy of water; the siphon water drainage pipe is composed of two vertical pipes with the top parts communicated, the bottom of one vertical pipe is a water inlet, the bottom of the other vertical pipe is communicated with the pressure water drainage pipe, and the top part of the siphon water drainage pipe is higher than the valve opening water level of the ball float valve; the outlet of the pressure drain pipe is lower than the water inlet of the siphon drain pipe, and the pressure drain pipe has enough hydraulic gradient to ensure smooth drainage; gravity flow drainage flows into the conversion well through the overflow port after entering the grid channel, after the water level in the conversion well rises to the valve opening water level of the ball float valve, the ball float valve is opened, the opening degree is gradually increased, the flow of the drainage entering the conversion well through the drainage pipe is rapidly increased, the drainage section at the top of the siphon drainage pipe rapidly reaches the top of the pipe from the bottom of the pipe to form full flow and produce siphon effect, and pressure flow is formed in the pressure drainage pipe.
The pressure drain pipe is provided with an access hole and an access valve, the access hole is a branch pipe arranged on the pressure drain pipe, and the tail end of the branch pipe is provided with a pipe plug.
The siphon drain pipe on be equipped with the vacuum and destroy the hole, the vacuum destroys the hole and sets up in the top of the water inlet of siphon drain pipe for stop the siphon drain pipe and intake, prevent that a small amount of drainage from smuggleing air admission pressure drain pipe secretly.
The grid channel is internally provided with a grid for intercepting large granular substances brought in the drainage, and avoiding blocking facilities such as a drainage pipe, a ball float valve, a siphon drainage pipe and a pressure drainage pipe.
A vertical pipe of which the bottom is provided with a water inlet is arranged in the conversion well, the other vertical pipe connected with the pressure water discharge pipe is arranged outside the conversion well, and the top communicating pipe penetrates through the wall of the conversion well.
The drain pipe sets up many to increase the water flow of crossing of drain pipe, the ball-cock assembly's on every drain pipe open the valve water level all is less than siphon drain pipe top.
The cross-sectional area of the transfer well between the ball float valve opening water level and the top of the siphon drain is reduced in a form including, but not limited to, providing a crowding object at the cross-section or reducing the cross-sectional size so that the top of the siphon drain is drained quickly from the bottom of the pipe to the top of the pipe to form a full flow.
The grid ditch sets up in the conversion well to reduce the cross sectional area of the corresponding position in the conversion well, satisfy the drainage needs.
The utility model discloses a gravity flow drainage turns into pressure flow drainage's process does:
firstly, water inflow
Draining water enters the grating channel through a gravity drainage pipe, after the draining water passes through the grating, large-particle pollutants are intercepted in the grating channel by the grating, and the draining water overflows into the conversion well;
② opening of float valve
When the water level in the conversion well rises to the valve opening water level of the ball float valve, the ball float valve is opened, the opening degree is gradually increased, and the flow of the drained water entering the conversion well through the drain pipe is rapidly increased.
Thirdly, water inlet of siphon water drainage pipe
The drainage enters the pressure drainage pipe through the siphon drainage pipe, the drainage section at the top of the siphon drainage quickly reaches the top of the pipe from the bottom of the pipe to form full flow and produce siphon effect, and pressure flow is formed in the pressure drainage pipe.
Closing valve of float valve
After drainage, the water level of the conversion well is lowered, a floating ball of the floating ball valve is lowered along with water, and the floating ball valve is gradually closed in the lowering process;
pressure drain pipe stops draining
The water level of the conversion well continues to drop, and when the water level drops to the vacuum damage hole, the pressure drain pipe stops draining water.
Thus, the process of converting gravity flow drainage into pressure flow drainage is completed, and the next conversion process is gradually started along with the continuous rising of the water level.
The utility model has the advantages of the following and the effect: adopt above-mentioned technical scheme, can flow the drainage at gravity and get into behind the grid ditch, flow into in the conversion well through the overflow mouth earlier, after the water level in the conversion well rises to the valve opening water level of ball-cock assembly, the ball-cock assembly is opened to progressively increase the opening degree, the flow that the drainage got into the conversion well through the bleeder line increases rapidly, make the drainage section at siphon drainage top reach the intraductal top of pipe from the intraductal bottom rapidly and form the full flow, produce the siphon effect, form the pressure flow in pressure drain pipe. The device has the advantages of simple structure, reliable work, long service life, no need of arranging a large number of inspection wells along the journey, investment saving, low cost, no limitation of drop height requirements on pipe arrangement, and easy laying and use in places with large height difference such as mountainous areas.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is a top view of another embodiment of the present invention;
fig. 4 is a schematic sectional view taken along line B-B of fig. 3.
Wherein, 1 is the gravity drain pipe, 2 is the grid canal, 3 is the grid board, 4 are the overflow mouth, 5 are the bleeder line, 6 are the ball-cock assembly, 7 are the conversion well, 8 are the siphon drain pipe, 9 are the vacuum destruction hole, 10 are the pressure drain pipe, 11 are the service valve, 12 are the service entrance.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, the device for converting gravity drainage into pressure drainage provided by the present invention comprises a gravity drainage pipe 1, and is characterized in that the outlet end of the gravity drainage pipe 1 is communicated with a grid channel 2, the grid channel 2 is communicated with a conversion well 7 through an overflow port 4 and a drainage pipe 5, a siphon drainage pipe 8 is arranged in the conversion well 7, and the siphon drainage pipe 8 is communicated with a pressure drainage pipe 10; the drainage pipe 5 is provided with a float valve 6 which is reversely arranged, the valve is closed by the gravity of the float valve, and the valve is opened by the buoyancy of water; the siphon water discharge pipe 8 is composed of two vertical pipes with the top parts communicated, the bottom of one vertical pipe is a water inlet, the bottom of the other vertical pipe is communicated with the pressure water discharge pipe 10, and the top part of the siphon water discharge pipe 8 is higher than the valve opening water level of the ball float valve 6; the outlet of the pressure drain pipe 10 is lower than the inlet of the siphon drain pipe 8, so that the water can be smoothly drained with enough water gradient.
The pressure drain pipe 10 is provided with a maintenance valve 11 and a maintenance opening 12, the maintenance opening 12 is a branch pipe arranged on the pressure drain pipe 10, and the tail end of the branch pipe is provided with a pipe plug.
Siphon drain pipe 8 on be equipped with vacuum breakage hole 9, vacuum breakage hole 9 sets up in the top of the water inlet of siphon drain pipe 8 for stop siphon drain pipe 8 and intake, prevent that a small amount of drainage from smuggleing air admission pressure drain pipe 10 secretly.
The grating ditch 2 is internally provided with a grating 3 for intercepting large granular substances brought in the drainage and avoiding blocking the drainage pipe 5, the ball float valve 6, the siphon drainage pipe 8, the pressure drainage pipe 10 and other facilities.
Like fig. 3, fig. 4, siphon drain pipe 8's its bottom is a standpipe setting of water inlet in change-over well 8, and another connecting pressure drain pipe 10's standpipe setting is outside change-over well 8, and the wall of a well of change-over well 8 is passed to the top communicating pipe.
The grid ditch 2 is arranged in the conversion well 8 so as to reduce the section area of the corresponding position in the conversion well 8 and meet the drainage requirement.
In addition, the cross-sectional area corresponding to the valve opening water level of the float valve 6 in the conversion well 8 is smaller than other cross-sectional areas, and the form of reducing the cross-sectional area comprises but is not limited to arranging an occupying object on the cross-sectional area or reducing the size of the cross-sectional area to meet the drainage requirement.
The drain pipe sets up many to increase the water flow of crossing of drain pipe, the ball-cock assembly's on every drain pipe open the valve water level all is less than siphon drain pipe top.
The utility model discloses a gravity flow drainage turns into pressure flow drainage's process does:
firstly, water inflow
Draining water enters a grating channel 2 through a gravity drainage pipe 1, after the draining water passes through a grating 3, large-particle pollutants are intercepted in the grating channel 2 by the grating 3, and the draining water overflows into a conversion well 8;
② opening of float valve
When the water level in the conversion well rises to the valve opening water level of the ball float valve, the ball float valve is opened, the opening degree is gradually increased, and the flow of the drained water entering the conversion well through the drain pipe is rapidly increased.
Thirdly, water inlet of siphon water drainage pipe
The drainage enters the pressure drainage pipe through the siphon drainage pipe, the drainage section at the top of the siphon drainage quickly reaches the top of the pipe from the bottom of the pipe to form full flow and produce siphon effect, and pressure flow is formed in the pressure drainage pipe.
Closing valve of float valve
After drainage, the water level of the conversion well 8 is lowered, a floating ball of the floating ball valve 6 is lowered along with water, and the floating ball valve 6 is gradually closed in the lowering process;
pressure drain pipe stops draining
The water level of the transfer well 8 continues to drop, and the pressure drain pipe 7 stops draining after the water level drops to the vacuum breaking hole 9.
Thus, the process of converting gravity flow drainage into pressure flow drainage is completed, and the next conversion process is gradually started along with the continuous rising of the water level.
Claims (10)
1. The utility model provides a gravity flow drainage turns into device of pressure flow drainage, includes gravity drain pipe, its characterized in that gravity drain pipe exit end and grid canal intercommunication, the grid canal passes through overflow mouth and bleeder line and conversion well intercommunication, is equipped with the siphon drain pipe in the conversion well, siphon drain pipe and pressure drain pipe intercommunication.
2. The apparatus of claim 1, wherein the drain tube is provided with a reverse mounted ball float.
3. The apparatus according to claim 1, wherein the siphon drain pipe comprises two vertical pipes with top portions connected, wherein the bottom portion of one vertical pipe is a water inlet, the bottom portion of the other vertical pipe is connected to the pressure drain pipe, and the top portion of the siphon drain pipe is higher than the valve opening water level of the ball float valve.
4. The apparatus for converting gravity flow drainage into pressure flow drainage of claim 1, wherein the pressure drain outlet is lower than the siphon drain inlet.
5. The apparatus for converting gravity flow drainage into pressure flow drainage according to claim 1, wherein the pressure drainage pipe is provided with an access opening and an access valve, the access opening is a branch pipe arranged on the pressure drainage pipe, and a pipe plug is arranged at the tail end of the branch pipe.
6. The apparatus as claimed in claim 1, wherein the siphon drain pipe is provided with a vacuum breaking hole, and the vacuum breaking hole is disposed above the water inlet of the siphon drain pipe.
7. The apparatus according to claim 1 wherein a grate is provided in the grate channel.
8. The apparatus for converting gravity flow drainage into pressure flow drainage according to claim 1, wherein one vertical pipe with a water inlet at the bottom of the siphon drainage pipe is arranged in the conversion well, the other vertical pipe connected with the pressure drainage pipe is arranged outside the conversion well, and the top communicating pipe passes through the wall of the conversion well.
9. The apparatus as claimed in claim 1, wherein the plurality of drain pipes are arranged such that the ball float valve of each drain pipe has a valve opening level lower than the top of the siphon drain pipe.
10. The apparatus of claim 1, wherein the cross-sectional area of the transfer well between the ball float valve open water level and the top of the siphon drain is reduced by providing a packing or grid channel in the transfer well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020179555.8U CN211922892U (en) | 2020-02-18 | 2020-02-18 | Device for converting gravity flow drainage into pressure flow drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020179555.8U CN211922892U (en) | 2020-02-18 | 2020-02-18 | Device for converting gravity flow drainage into pressure flow drainage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211922892U true CN211922892U (en) | 2020-11-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020179555.8U Active CN211922892U (en) | 2020-02-18 | 2020-02-18 | Device for converting gravity flow drainage into pressure flow drainage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211922892U (en) |
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2020
- 2020-02-18 CN CN202020179555.8U patent/CN211922892U/en active Active
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