CN219100279U - Water inlet safety gate well suitable for gravity flow and gravity flow underground sewage treatment plant - Google Patents
Water inlet safety gate well suitable for gravity flow and gravity flow underground sewage treatment plant Download PDFInfo
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- CN219100279U CN219100279U CN202222569227.0U CN202222569227U CN219100279U CN 219100279 U CN219100279 U CN 219100279U CN 202222569227 U CN202222569227 U CN 202222569227U CN 219100279 U CN219100279 U CN 219100279U
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Abstract
The utility model discloses a water inlet safety gate well suitable for gravity flow and a gravity flow underground sewage treatment plant, which comprise a well chamber, wherein the well chamber is respectively communicated with a water inlet pipeline and at least two water outlet pipelines, a water inlet chamber communicated with the water inlet pipeline and a plurality of water outlet subchambers with one end communicated with the water inlet chamber and the other end respectively communicated with the water outlet pipelines in one-to-one correspondence are arranged in the well chamber, a split wall is arranged between every two adjacent water outlet subchambers, and a split gate assembly comprising a downward opening type weir gate is arranged at the water inlet end of each water outlet subchamber. The water inflow is split by arranging the plurality of water outlet subchambers, a plurality of water inflow split channels are formed in the well chamber, and each water inflow split channel is internally provided with a split gate assembly so as to maintain continuous water inflow to ensure the stable operation of the underground sewage treatment plant when one or more water inflow split channels fail; and the down-opening weir gate can avoid overload of inflow water flow through control of liquid level height difference.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a water inlet safety gate well suitable for gravity flow and a gravity flow underground sewage treatment plant.
Background
The front end of water inlet of the pretreatment area of the existing ground sewage treatment plant mostly considers that a water pump of a sewage lifting pump room is adopted to lift sewage to a treatment section of the water plant, however, for an underground sewage plant, most of underground boxes are positioned at a deep position of a foundation pit, and most of water inlet pipelines can automatically flow into the treatment area of the underground boxes. Although the incoming water can enter the underground sewage plant by the automatic flow in the elevation, a simple gate is adopted to control the inflow, so that the safety of the underground box body is ensured.
Because the space of the underground sewage plant is limited, the water inlet gate well and the treatment box body are both positioned underground, and the water inlet gate well and the treatment box body are both built together or separately, the single gate control is easy to cause equipment runaway from the safety angle, and water inlet accidents are caused.
The utility model provides a patent application of application number CN2015202908406, the technical scheme who adopts provides a sewage treatment sluice well, including the well body, set up the intercommunication mouth between well body and the grille well, intercommunication mouth department installs the gate valve, be equipped with the flat drainage flow pipe that lets in out the well in the well body, flat drainage flow pipe is higher than the gate valve and the parallel and level is in the intercommunication mouth of sewer pipe and well body. The sewage is a first step treatment facility of the sewage pretreatment flow, and the gate well is arranged, so that on one hand, the water inflow can be regulated and controlled according to the water level of the grid well, and the grid well is ensured to work stably under the normal water level; on the other hand, when the water inflow is excessive in rainy season or the sewage treatment station is overhauled due to reasons, the excessive sewage can be discharged through the flat drainage flow pipe.
It can be seen that in the above structure, although the gate well can realize the effect of water inflow regulation, any diversion channel is not arranged, if the gate valve in the gate well fails, the whole water inlet pipeline must be completely closed to carry out maintenance, the water inlet pipeline is closed, the subsequent sewage treatment work can be in a stagnation state, so that the sewage treatment efficiency is seriously affected, and the normal operation of urban life is further affected. Generally, the existing water inlet diversion channel is arranged in the underground sewage treatment cabin, but because the underground sewage treatment cabin comprises a pretreated grid grit chamber and related matched equipment instruments, the biological treatment tank and related matched equipment instruments and other treatment equipment, the maintenance work of the water inlet diversion channel is difficult, and the other multiple treatment equipment in the underground sewage treatment cabin is easily influenced. When the underground sewage treatment plant is used for treating sewage of rivers and culverts, the common gate valve at the communicating port cannot adapt to the fluctuation adjustment of the water quantity of the river or Jiang Han due to the large fluctuation range of the water quantity of the river or Jiang Han, so that the accident that the underground sewage treatment plant is submerged due to the overlarge water inflow is easily caused.
Therefore, it is necessary to design a front-end water inlet safety well of an underground sewage treatment plant, which is suitable for the underground sewage treatment plant, is safe and reliable, is convenient to regulate and control the water inlet flow and is convenient to maintain.
Disclosure of Invention
In order to overcome the defects of the existing filling material stirring technology, the utility model provides a water inlet safety gate well suitable for gravity flow and a gravity flow underground sewage treatment plant, which can adapt to river or Jiang Han water fluctuation regulation and can still maintain continuous water inlet to ensure the stable operation of the sewage treatment work of the underground sewage treatment plant when a water inlet diversion channel fails.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a safety gate well of intaking suitable for gravity flow, it includes the well chamber, the well chamber communicates with a inlet channel and two at least outlet pipes respectively, be equipped with the inlet chamber with the inlet channel intercommunication in the well chamber to and a plurality of play water subchambers that one end and inlet chamber intercommunication, the other end and a plurality of outlet pipe one-to-one intercommunication respectively are equipped with the dividing wall between the adjacent play water subchamber, and the inlet end of every play water subchamber all is equipped with the reposition of redundant personnel gate subassembly that contains down open weir gate.
Preferably, the diverter gate assembly comprises a lower open type weir gate and at least one overhaul safety gate, and the overhaul safety gate is arranged on one side of the lower open type weir gate, which is close to the water inlet end of the water outlet subchamber.
Preferably, the diverter gate assembly comprises a lower open type weir gate and an overhaul safety gate, wherein the overhaul safety gate is arranged on one side of the lower open type weir gate, which is close to the water inlet end of the water outlet subchamber, and one side of the lower open type weir gate, which is far away from the water inlet end of the water outlet subchamber.
Preferably, the overhaul safety brake is a stop-beam brake.
Preferably, the water inlet pipeline and the water outlet pipeline are respectively close to the bottoms of the water inlet chamber and the water outlet subchamber and are communicated.
Preferably, a weir groove is formed in the cavity walls on two sides of the lower open type weir gate, sliding sleeve ends on two sides of the lower open type weir gate are sleeved in the weir groove in a sliding mode, an impurity flushing pipeline is arranged at the sliding sleeve ends, and the water outlet end of the impurity flushing pipeline is arranged towards the weir groove along the travelling direction of the lower open type weir gate and used for flushing sundries in the weir groove.
Preferably, the bottom of the weir groove is provided with an overhaul channel communicated with the weir groove, and an overhaul port of the weir groove is detachably and hermetically arranged by adopting a flange seal head.
Preferably, the well chamber comprises an upper layer well chamber and a lower layer well chamber, the water inlet chamber and the water outlet subchamber are both arranged in the upper layer well chamber, the weir groove of the lower open weir gate vertically extends from the upper layer well chamber to the lower layer well chamber, the lower layer well chamber is provided with an overhaul chamber, and an overhaul port of the overhaul channel is arranged in the overhaul chamber.
Preferably, sundry filtering components are arranged in each water outlet subchamber.
A gravity flow underground sewage treatment plant comprising the above-described inlet safety gate well adapted for gravity flow and an underground sewage treatment tank.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the water flowing in from the water inlet pipeline is split by arranging the water outlet subchambers, a plurality of water inlet split channels are formed in the well chamber, and each water inlet split channel is internally provided with the split gate assembly which can be used for intercepting and overhauling, so that when one or more water inlet split channels fail, continuous water inlet can be maintained to ensure stable operation of sewage treatment work of an underground sewage treatment plant.
2. The water inlet pipeline is communicated with the river or Jiang Han, the water body in the river or the river culvert is pressed into the water inlet safety gate well through the water inlet pipeline by the self gravity of the water body, and the diversion gate assembly at least comprises a lower opening type weir gate which can adapt to the fluctuation of the river or Jiang Han water quantity based on the characteristic of larger fluctuation range of the river or the river culvert water quantity, and the lower opening type weir gate avoids overload of the water inlet flow through the control of the liquid level height difference.
3. According to the utility model, the overhaul safety gate is arranged on one side of the lower open type weir gate close to the water inlet end of the water outlet subchamber, when the lower open type weir gate in the water outlet subchamber fails, the overhaul safety gate in the water outlet subchamber is closed, and the water inlet split channel is intercepted, so that the lower open type weir gate is convenient for a worker to overhaul; meanwhile, the downward opening type weir gate in other water outlet subchambers is in an opening state, so that continuous water inlet in a water inlet safety gate well is maintained, and stable operation of sewage treatment work of an underground sewage treatment plant is ensured.
Drawings
Fig. 1 is a schematic plan view of the top layer of a gravity flow water inlet safety gate well according to embodiment 1 of the present utility model.
Fig. 2 is a schematic plan view of a middle layer of a gravity flow water inlet safety gate well according to embodiment 1 of the present utility model.
Fig. 3 is a schematic view showing the lower-layer plan structure of a water inlet safety gate well suitable for gravity flow according to embodiment 1 of the present utility model.
Fig. 4 is a cross-sectional view taken along A-A in fig. 2.
Fig. 5 is a cross-sectional view taken along B-B in fig. 2.
The components in the drawings are marked as follows:
1. a well chamber; 2. a water inlet pipe; 3. a water outlet pipe; 11. an upper layer well chamber; 12. a lower well chamber; 101. a water inlet chamber; 102. a water outlet chamber; 102a, shui Zi chambers; 102b, diverter walls; 102c, a weir trough; 103. an overhaul room; 103a, an access opening; 103b, an overhaul channel; 4. a diverter gate assembly; 41. a down-opening weir gate; 42. overhauling a safety brake; 411. flushing the pipeline with impurities; 5. a sundry filtering component.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Example 1
As shown in fig. 1 to 5, embodiment 1 of the present utility model provides a water inlet safety gate well suitable for gravity flow, which comprises a well chamber 1, wherein the well chamber 1 is respectively communicated with a water inlet pipeline 2 and at least two water outlet pipelines 3, a water inlet chamber 101 and a water outlet chamber 102 are arranged in the well chamber 1, the water inlet chamber 101 is communicated with the water inlet pipeline 2, the water outlet chamber 102 comprises a plurality of water outlet sub-chambers 102a, a diversion wall 102b is arranged between adjacent water outlet sub-chambers 102a, one end of the water outlet Shui Zi chamber 102a is communicated with the water inlet chamber 101, the other end of the water outlet sub-chamber 102a is respectively communicated with the water outlet pipelines 3 in a one-to-one correspondence manner, and the water inlet end of each water outlet sub-chamber 102a is provided with a diversion gate assembly 4 comprising a lower open weir gate 41. The water flow flowing in from the water inlet pipeline 2 is split by the plurality of water outlet subchambers 102a, a plurality of water inlet split channels are formed in the well chamber 1, and a split gate assembly 4 for intercepting and overhauling is arranged in each water inlet split channel, so that when one or more water inlet split channels fail, continuous water inlet can be still maintained to ensure stable operation of sewage treatment work of the underground sewage treatment plant.
As shown in fig. 1 to 4, the well chamber 1 comprises an upper well chamber 111 and a lower well chamber 121, the upper well chamber 111 comprises a water inlet chamber 101 and a water outlet chamber 102, and the lower well chamber 121 is provided with an overhaul chamber 103; in the upper layer well chamber 111, a water inlet pipeline 2 communicated with the water inlet chamber 101 and a water outlet pipeline 3 communicated with the water outlet chamber 102 are respectively arranged near the bottoms of the water inlet chamber 101 and the water outlet chamber Shui Zi chamber 102a in a communicated manner, the orifices of the water inlet pipeline 2 and the water outlet pipeline 3 are respectively provided with an electric and manual double-control gate, a flow dividing gate assembly 4 is arranged between the water inlet chamber 101 and the water outlet chamber 102, and in particular, a set of flow dividing gate assembly 4 is arranged in each water inlet flow dividing channel formed by the water inlet chamber 101 and the water outlet subchamber 102 a. The water inlet pipe 2 with one end connected to the water inlet chamber 101 in embodiment 1 of the present utility model is connected to the river or Jiang Han at the other end, and the water in the river or culvert is pressed into the water inlet safety gate well by the gravity of the water inlet pipe 2, and based on the characteristic of large fluctuation range of the river or culvert water volume, the diverter gate assembly 4 in embodiment 1 of the present utility model at least includes a lower open type weir gate 41 capable of adapting to the fluctuation of the river or Jiang Han water volume, and the lower open type weir gate 41 moves up and down along the weir grooves 102c opened on the cavity walls at both sides thereof to realize opening and closing, so that overload of the water inlet flow is avoided by controlling the liquid level height difference.
In order to ensure that the lower open type weir gate 41 can be overhauled in time when the lower open type weir gate 41 fails and the stable operation of the sewage treatment work of the underground sewage treatment plant is not affected, the diverter gate assembly 4 further comprises at least one overhauling safety gate 42, and as shown in fig. 2 and 4, the overhauling safety gate 42 is arranged on one side of the lower open type weir gate 41 close to the water inlet end of the water outlet subchamber 102 a. When the lower open type weir gate 41 in the water outlet subchamber 102a fails, the overhaul safety brake 42 in the water outlet subchamber 102a is closed, and the water inlet diversion channel is intercepted, so that the lower open type weir gate 41 is convenient for operators to overhaul; meanwhile, the downward opening type weir gate 41 in the other water outlet subchambers 102a is ensured to be in an opening state so as to maintain continuous water inlet in the water inlet safety gate well to ensure the stable operation of sewage treatment work of the underground sewage treatment plant.
Further preferably, the diverter gate assembly 4 includes a lower open weir gate 41 and two service safety gates 42, and the two service safety gates 42 are respectively disposed on a side of the lower open weir gate 41 near the water inlet end of the water outlet subchamber 102a and a side of the lower open weir gate away from the water inlet end of the water outlet subchamber 102 a. Therefore, the maintenance of the downward opening type weir gate 41 can be realized, and when the double-control gate of the water outlet pipeline 3 fails, the water inlet diversion channel can be intercepted by the overhaul safety gate 42 arranged on one side far away from the water inlet end of the water outlet subchamber 102a, so that the overhaul of the double-control gate of the water outlet pipeline 3 by workers is facilitated. Preferably, the service safety brake 42 according to embodiment 1 of the present utility model is a stop-beam brake.
As shown in fig. 1, 3 and 4, the two side walls of the lower open type weir gate 41 are provided with weir grooves 102c, the sliding sleeve ends on two sides of the lower open type weir gate 41 are slidably sleeved in the weir grooves 102c, the sliding sleeve ends are provided with impurity flushing pipes 411, and the water outlet ends of the impurity flushing pipes 411 are arranged towards the weir grooves 102c along the travelling direction of the lower open type weir gate 41 and are used for flushing impurities in the weir grooves 102 c. Specifically, the impurity flushing pipe 411 is communicated with an external pressure water source, and flushes out the sediment in the weir groove 102c through high-pressure water flow, so as to avoid the sediment accumulating in the weir groove 102c to affect the opening and closing of the lower opening weir gate 41. Meanwhile, the weir groove 102c of the lower open weir gate 41 vertically extends from the upper well chamber 111 to the lower well chamber 121, a maintenance channel 103b communicated with the weir groove 102c is arranged at the bottom of the weir groove 102c, a maintenance hole 103a of the maintenance channel 103b is arranged in the maintenance chamber 103 of the lower well chamber 121, and the maintenance hole 103a is detachably and hermetically arranged by adopting a flange seal head. When large sundries are clamped in the weir groove 102c and cannot be flushed out of the weir groove 102c through high-pressure water flow, a worker can enter the weir groove 102c from the self-checking repair opening 103a to clean the sundries.
As shown in fig. 2, each water outlet subchamber 102a is internally provided with a sundry filtering component 5 for filtering sundries in the water flow of the inlet water, so as to prevent sundries from entering a subsequent sewage treatment device to form blockage, and influence the stable operation of sewage treatment work of a sewage treatment plant. The sundry filtering part 5 is preferably a rotary grid trash remover.
Example 2
The underground sewage treatment cabin is not provided with the water inlet diversion module any more, and the water inlet diversion module originally arranged in the underground sewage treatment cabin is transferred to the water inlet safety gate well, so that the functional equipment and the water inlet diversion module are arranged in two different spaces, the water inlet diversion module is convenient to overhaul, and the influence on other functional equipment caused by the failure of the water inlet diversion module is avoided.
The foregoing is merely illustrative of the present utility model and is not to be construed as limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; all equivalent structures or equivalent flow changes made by the specification and the attached drawings of the utility model or directly or indirectly applied to other related technical fields are included in the protection scope of the utility model.
Claims (10)
1. The utility model provides a safety gate well of intaking suitable for gravity flow, its characterized in that, includes the well room, the well room communicates with a inlet channel and two at least outlet pipes respectively, be equipped with the inlet chamber with the inlet channel intercommunication in the well room to and one end and inlet chamber intercommunication, the other end respectively with a plurality of outlet pipe says a plurality of water sub-chambers of one-to-one intercommunication, be equipped with the dividing wall between the adjacent outlet sub-chamber, and the inlet end of every outlet sub-chamber all is equipped with the dividing gate subassembly that contains down open weir door.
2. The water inlet safety gate well adapted for gravity flow according to claim 1, wherein the diverter gate assembly comprises a lower open weir gate and at least one service safety gate, at least one side of the lower open weir gate adjacent the water inlet end of the water outlet subchamber being provided with a service safety gate.
3. The water inlet safety gate well adapted for gravity flow according to claim 1, wherein the diverter gate assembly comprises a lower open weir gate and a service safety gate, wherein the service safety gate is provided on both a side of the lower open weir gate adjacent to the water inlet end of the water outlet subchamber and a side of the lower open weir gate remote from the water inlet end of the water outlet subchamber.
4. A water entry safety gate well adapted for gravity flow according to claim 2 or 3, wherein the service safety gate is a stop-beam gate.
5. The water inlet safety gate well for gravity flow according to claim 1, wherein the water inlet pipeline and the water outlet pipeline are respectively arranged near the bottoms of the water inlet chamber and the water outlet subchamber in a communicating manner.
6. The water inlet safety gate well suitable for gravity flow according to claim 1, wherein a weir groove is formed in the cavity walls on two sides of the lower open weir gate, sliding sleeve ends on two sides of the lower open weir gate are slidably sleeved in the weir groove, an impurity flushing pipeline is arranged at the sliding sleeve ends, and a water outlet end of the impurity flushing pipeline is arranged towards the weir groove along the traveling direction of the lower open weir gate and is used for flushing impurities in the weir groove.
7. The gravity flow water inlet safety gate well according to claim 6, wherein the bottom of the weir groove is provided with an overhaul channel communicated with the weir groove, and an overhaul port of the weir groove is detachably and hermetically arranged by adopting a flange seal head.
8. The water inlet safety gate well adapted for gravity flow according to claim 7, wherein the well chamber comprises an upper well chamber and a lower well chamber, the water inlet chamber and the water outlet subchamber are both arranged in the upper well chamber, the weir groove of the lower open weir gate extends vertically from the upper well chamber to the lower well chamber, the lower well chamber is provided with an access chamber, and the access port of the access channel is arranged in the access chamber.
9. The gravity flow entry safety gate well according to claim 1, wherein each of the outlet subchambers is provided with a debris filtering element.
10. A gravity flow subsurface sewage treatment plant comprising a gravity flow adapted entry safety gate well and a subsurface sewage treatment tank according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222569227.0U CN219100279U (en) | 2022-09-28 | 2022-09-28 | Water inlet safety gate well suitable for gravity flow and gravity flow underground sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222569227.0U CN219100279U (en) | 2022-09-28 | 2022-09-28 | Water inlet safety gate well suitable for gravity flow and gravity flow underground sewage treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219100279U true CN219100279U (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222569227.0U Active CN219100279U (en) | 2022-09-28 | 2022-09-28 | Water inlet safety gate well suitable for gravity flow and gravity flow underground sewage treatment plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219100279U (en) |
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2022
- 2022-09-28 CN CN202222569227.0U patent/CN219100279U/en active Active
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