CN204456414U - From the flushing system of falling rainbow - Google Patents
From the flushing system of falling rainbow Download PDFInfo
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- CN204456414U CN204456414U CN201520124177.2U CN201520124177U CN204456414U CN 204456414 U CN204456414 U CN 204456414U CN 201520124177 U CN201520124177 U CN 201520124177U CN 204456414 U CN204456414 U CN 204456414U
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- upstream
- downstream
- well room
- well
- falling rainbow
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 23
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 130
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002351 wastewater Substances 0.000 claims abstract description 16
- 239000010865 sewage Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 238000011001 backwashing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Sewage (AREA)
Abstract
The utility model discloses a kind of from the system of falling rainbow of flushing, at least comprise the upstream be communicated with upstream sewage water inlet pipe and fall Hong Jing, fall Hong Jing and be connected at least two inverted siphons fallen between Hong Jing and the downstream well of falling rainbow upstream in the downstream be communicated with downstream wastewater outlet pipe; The caliber of downstream wastewater outlet pipe is greater than the caliber of inverted siphon, and upstream is fallen Hong Jing and comprised upstream equipment floor and be arranged at the well room, upstream of upstream equipment floor bottom, is provided with the upstream headstock gear for controlling upstream influent side gate opening/closing in upstream equipment layer; Downstream is fallen Hong Jing and is comprised upstream device floor and be arranged at the well room, downstream of upstream device floor bottom, is provided with the downstream hydraulic integrated headstock gear for controlling downstream influent side gate opening/closing in upstream device layer.The utility model has can by the sewage in inverted siphon, the beneficial effect carrying out regularly the facility of falling rainbow, effectively rinse fast.
Description
Technical field
The utility model relates to sewerage technical field, particularly relates to a kind of from the system of falling rainbow of flushing.
Background technology
The system of falling rainbow is comparatively conventional a kind of device in sewage drainage pipe network.The system of falling rainbow is generally made up of with the Hong Jing that falls being divided into inverted siphon two ends the inverted siphon of more than two.In order to ensure that the fluid in inverted siphon keeps certain flow velocity, usually all arranging at two inverted siphon Inlet and outlet water places manually or electric gate valve, being controlled the operation of inverted siphon by gate.Therefore, when wherein an inverted siphon has an accident, another inverted siphon can be switched to, to guarantee that the continuation of the system of falling rainbow runs.
But, because inverted siphon caliber is general less and length is longer, easily there is the alluvial of inverted siphon, blocking.When alluvial appears in the inverted siphon run, the conveyance capacity of inverted siphon can weaken greatly; When inverted siphon deposits to a certain extent, upstream may be caused to fall Hong Jing or sewage conduct ponding, and sewage overflows from drainage system minimum point, causes environment pollution, and then affects urban traffic.
In order to solve the inconvenience because inverted siphon alluvial brings for the use of the system of falling rainbow, prior art, usually by moving flushing equipment, is rinsed inverted siphon by High-Pressure Water.Adopt this backwashing manner, not only rinse difficulty greatly, and whole inverted siphon is difficult to by cleaning down clean.In addition, along with the continuous increase of the system quantity of falling rainbow in city, the flushing of the system of falling rainbow, the workload of maintenance are also constantly increased.Existing backwashing manner cannot meet the needs rinsed the system of falling rainbow in city, and the system of falling rainbow that design rinses difficulty low becomes the task of top priority.
Therefore, those skilled in the art are badly in need of studying a kind of system of falling rainbow that can simplify flushing difficulty, improve flush efficiency.
Utility model content
Because the above-mentioned defect of prior art, the utility model proposes a kind of can by the sewage in inverted siphon, the system of falling rainbow of flushing certainly of the facility of falling rainbow is carried out regularly, effectively rinsing fast.For achieving the above object, the utility model provides a kind of from the system of falling rainbow of flushing, at least comprise the upstream be communicated with upstream sewage water inlet pipe and fall Hong Jing, fall Hong Jing and be connected at least two inverted siphons fallen between Hong Jing and the described downstream well of falling rainbow described upstream in the downstream be communicated with downstream wastewater outlet pipe; The caliber of described downstream wastewater outlet pipe is greater than the caliber of described inverted siphon, and described upstream is fallen Hong Jing and comprised upstream equipment floor and be arranged at the well room, upstream of described upstream equipment floor bottom; Well room, described upstream comprises the first well room, upstream and the second well room, upstream be communicated with described first well room, upstream respectively and the 3rd well room, upstream that are communicated with described inverted siphon, and the influent side of described second well room, upstream and described 3rd well room, upstream is respectively arranged with upstream influent side gate; The upstream headstock gear for controlling described upstream influent side gate opening/closing is provided with in described upstream equipment layer; Described downstream is fallen Hong Jing and is comprised upstream device floor and be arranged at the well room, downstream of described upstream device floor bottom; Well room, described downstream comprises the first well room, downstream and the second well room, downstream be communicated with described first well room, downstream respectively and the 3rd well room, downstream that are communicated with the other end of described inverted siphon, and the influent side of described second well room, downstream and described 3rd well room, downstream is respectively arranged with downstream influent side gate; The downstream hydraulic integrated headstock gear for controlling described downstream influent side gate opening/closing is provided with in described upstream device layer; Downstream automatic control system is also provided with in described upstream device layer; The keying of described downstream hydraulic integrated headstock gear is controlled by described downstream automatic control system.
Preferably, upstream automatic control system is also provided with in described upstream equipment layer; The keying of described upstream headstock gear is controlled by described upstream automatic control system.
Preferably, the tank gage for detecting the downstream peak level in the well of falling rainbow of downstream is also provided with in described upstream device layer.
Preferably, described tank gage is ultrasonic liquid leveller.
Preferably, described upstream is fallen Hong Jing and described downstream and is fallen the aboveground portion of rainbow and be respectively arranged with access hole; Described access hole is provided with access hole cover plate.
The beneficial effects of the utility model:
Of the present utility model from the system of falling rainbow of flushing, when needs clean the system of falling rainbow, be arranged at automatic controlling system downstream, downstream hydraulic integrated headstock gear in the well of falling rainbow of downstream by downstream influent side closing gate, upstream is fallen Hong Jing and upstream and is fallen the soil pipe of the aboveground trip of rainbow, downstream and fall retaining in Hong Jing and inverted siphon.When the tank gage water level monitored in the well of falling rainbow of downstream reaches predetermined peak level, downstream hydraulic integrated headstock gear is fast by downstream influent side gate opening.Caliber due to downstream wastewater outlet pipe is greater than the caliber of inverted siphon, flow out downstream by downstream wastewater outlet pipe when the work of falling Hong Jing of making starts to fall the water yield of Hong Jing and be greater than the water yield flowed into by inverted siphon in the well of falling rainbow of downstream, thus fall between Hong Jing and the downstream well of falling rainbow in upstream to form a pressure reduction, this pressure reduction accelerates the flow velocity of the current flow through in inverted siphon, and then is carried out comprehensively from rinsing the system of falling rainbow by this High-Pressure Water.
Owing to being provided with the downstream hydraulic integrated headstock gear for controlling downstream influent side gate opening/closing in the well of falling rainbow of downstream, solving the problem that in prior art, electronic headstock gear closing velocity is slower, ensure that the formation of pressure reduction.Meanwhile, fall Hong Jing and downstream fall the influent side of Hong Jing owing to inlet gate to be arranged at respectively upstream, the impact that gate is subject to is less, extends the application life of gate, and retaining process easily realizes, and is not easy to occur drainage.
Be arranged at the ultrasonic liquid leveller in upstream device layer, the downstream peak level in the well of falling rainbow of downstream can be detected, and detected water level is transferred to downstream automatic control system, achieve the automatic control to the system of falling rainbow flushing process.
Be described further below with reference to the technique effect of accompanying drawing to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the ground plane layer structural representation of the utility model one embodiment.
Fig. 2 is the mechanical floor plane structure schematic diagram of Fig. 1.
Fig. 3 is the A-A sectional structure schematic diagram of Fig. 1.
Fig. 4 is the B-B sectional structure schematic diagram of Fig. 1.
Fig. 5 is the C-C sectional structure schematic diagram of Fig. 1.
In figure: the upstream well of falling rainbow 1, upstream ground level 14, upstream sewage water inlet pipe 101, upstream access hole cover plate 102, upstream equipment layer 103, the electronic headstock gear 104 in upstream, maximum head water 105, first well room, upstream 109, second well room, upstream 110, 3rd well room, upstream 111, upstream influent side gate 106, upstream automatic control system 107, the downstream well of falling rainbow 2, downstream ground level 24, downstream wastewater outlet pipe 201, downstream access hole cover plate 202, , upstream device layer 203, downstream hydraulic integrated headstock gear 204, downstream peak level 205, downstream influent side gate 206, downstream automatic control system 207, downstream ultrasonic tank gage 208, second well room, downstream 210, 3rd downstream well 211, inverted siphon 3, river course absolute altitude 4, river course end face schematic lines 5.
Detailed description of the invention
As shown in Figures 1 to 5, the present embodiment proposes a kind of from the system of falling rainbow of flushing.As schemed shown in 1, this system comprises the downstream well of falling rainbow 2 that the upstream well of falling rainbow 1 that is communicated with upstream sewage water inlet pipe 101 is communicated with downstream wastewater outlet pipe 201 and two inverted siphons 3 be connected between the upstream well of falling rainbow 1 and the downstream well of falling rainbow 2.Wherein, the caliber of downstream wastewater outlet pipe 201 is greater than the caliber of inverted siphon 3.For the ease of the calculating in later stage and the setting of flushing cycle, two inverted siphons 3 adopt identical diameter.
In other embodiments, inverted siphon also can arrange more, such as three etc.
As shown in Figures 2 and 3, the upstream well of falling rainbow 1 comprises upstream equipment floor 103 and is arranged at the well room, three upstreams of upstream equipment floor 103 bottom, be the first well room, upstream 109 be communicated with inverted siphon 3, and the second well room, upstream 110 and the 3rd well room, upstream 111 be communicated with the first well room, upstream 109 respectively.For the ease of the water retention capacity of control well indoor, improve the leakage prevention of influent side gate, be respectively arranged with in upstream influent side gate 106 upstream equipment floor 103 at the influent side of the second well room, upstream 110 and the 3rd well room, upstream 111 the electronic headstock gear 104 in upstream arranging and also have and open and close for controlling upstream influent side gate 106.
As shown in Figure 4, in order to improve the automatic control function of the system of falling rainbow further, be also provided with upstream automatic control system 107 in upstream equipment layer 103, the keying of the electronic headstock gear 104 in upstream is controlled by upstream automatic control system 107.
In other embodiments, the headstock gear for upstream also can adopt manual opening-closing machine, or adopts manual and electric double-purpose headstock gear.
As shown in Figure 3, the downstream well of falling rainbow 2 comprises upstream device floor 203 and is arranged at the well room, three downstreams of upstream device floor 203 bottom, be the first well room, downstream be communicated with the other end of inverted siphon 3, and the second well room, downstream 210 and the 3rd well room, downstream 211 be communicated with the first well room, downstream 2 respectively.For the ease of the water retention capacity of control well indoor, improve the leakage prevention of influent side gate, be respectively arranged with downstream influent side gate 206 at the influent side of the second well room, downstream 2 and the 3rd well room, downstream 211.
In order to improve the keying speed of downstream influent side gate 206, in downstream equipment layer, 203 are also provided with the downstream hydraulic integrated headstock gear 204 opened and closed for controlling downstream influent side gate 206.Owing to instead of existing electronic headstock gear with downstream hydraulic integrated headstock gear 204, solve electronic headstock gear closing velocity in prior art and ooze water problem more slowly, easily.
Meanwhile, owing to inlet gate to be arranged at respectively the influent side of the upstream well of falling rainbow 1 and the downstream well of falling rainbow 2, the impact that in use procedure, gate is subject to is less, extends the application life of gate, and retaining process easily realizes, and is not easy to occur drainage.
As shown in Figure 3, in order to automatically detect the downstream peak level 205 in the downstream well of falling rainbow 2, and detected downstream peak level 205 is transferred to downstream automatic control system 207, realize certainly rinsing control to the system of falling rainbow, in downstream equipment layer, 203 are also provided with the ultrasonic liquid leveller 208 for detecting the downstream peak level in the downstream well of falling rainbow 2.
In other embodiments, the checkout gear for detecting peak level also can adopt the checkout equipment that other functions are identical.
As shown in Figure 3, for the ease of the water retention capacity of control well indoor, improve the leakage prevention of influent side gate, well room, upstream 109 and well room, downstream 209 are set to two well rooms be interconnected respectively.
As shown in Figure 5, downstream automatic control system 207 is also provided with in upstream device layer 203.The keying of downstream hydraulic integrated headstock gear 204 is controlled by downstream automatic control system 207.
As shown in Figure 1, for the ease of overhauling the equipment in mechanical floor, fall Hong Jing and downstream in upstream and fall the aboveground portion of rainbow and be respectively arranged with a upstream access hole and a downstream access hole, and on the access hole of upstream, be provided with upstream access hole cover plate 102, downstream access hole is provided with the lower access hole cover plate 202 of trip, is fallen in well body by access hole to prevent foreign matter.
In other embodiments, the quantity of access hole can carry out suitable increase according to actual needs, such as according to the particular location of the equipment be arranged on mechanical floor, can arrange two or multiple access hole.
As shown in Figure 3, inverted siphon is arranged at a certain depth in river course absolute altitude 4 bottom in the above-mentioned concrete setting from the system of falling rainbow of flushing, and river course end face schematic lines 5 is for reference when arranging.Wherein, upstream ground level 14 can be designed as the upper surface lower than the upstream well of falling rainbow 1, and the height of downstream ground level 24 can be designed as the upper surface lower than the downstream well of falling rainbow 2, and its difference in height is for can be about 0.3 meter.
Embody rule situation of the present utility model is as follows:
Step one, according to the facility of falling rainbow upstream sewage network and upstream ground level 14, extrapolating in the upstream well of falling rainbow 1 can the maximum head water 105 (now should ensure that upstream sewage is not excessive) of retaining; According to the installations downstream of falling rainbow sewage network and downstream ground level 24, extrapolating in the downstream well of falling rainbow 2 can the downstream peak level 205 (now should ensure that downstream wastewater is not excessive) of retaining, choose numerical value smaller as peak level, and by this value input automatic control system.
Step 2, according to the result of calculation of step one and the operating condition of the system of falling rainbow, arranges the auto-flushing cycle of the system of falling rainbow by automatic control system.
Wherein, when normally working, be arranged at the influent side closing gate of Article 1 inverted siphon both sides, Article 1 inverted siphon is in stand-by state; Be arranged at the influent side gate opening of Article 2 inverted siphon both sides, Article 2 inverted siphon is in running order.
Step 3, when the system of falling rainbow reaches the washing time of setting, downstream automaton controls the work of downstream Hydraulic integration headstock gear, and the downstream influent side gate of unlatching is closed automatically, and retaining in Hong Jing and the downstream well of falling rainbow is fallen in upstream.
When the water level that downstream ultrasonic level gage detects in the well of falling rainbow of downstream arrives the downstream peak level arranged, be arranged at the influent side closing gate of Article 2 inverted siphon both sides, Article 2 inverted siphon is in state to be cleaned; Be arranged at the influent side gate opening of Article 1 inverted siphon both sides, Article 1 inverted siphon is in running order.
The downstream influent side gate opening Article 2 inverted siphon side is fast driven by Hydraulic integration headstock gear, caliber due to downstream wastewater outlet pipe is greater than the caliber of inverted siphon, flow out downstream by downstream wastewater outlet pipe when the work of falling Hong Jing starts to fall the water yield of Hong Jing and be greater than the water yield flowed into by Article 2 inverted siphon in the well of falling rainbow of downstream, thus fall between Hong Jing and the downstream well of falling rainbow in upstream to form a pressure reduction, this pressure reduction accelerates the flow velocity of current in Article 2 inverted siphon, and Article 2 inverted siphon is rinsed by this High-Pressure Water comprehensively.
Step 4, rinses complete, and be arranged at the influent side closing gate of Article 2 inverted siphon both sides, Article 2 inverted siphon is in stand-by state.
Repeat said process, periodic auto-flushing is carried out to the system of falling rainbow.
Of the present utility model from the system of falling rainbow of flushing, when needs clean the system of falling rainbow, be arranged at automatic controlling system downstream, downstream hydraulic integrated headstock gear in the well of falling rainbow of downstream by downstream influent side closing gate, retaining in Hong Jing, the downstream well of falling rainbow machine inverted siphon is fallen in upstream.When the water level that tank gage detects in the well of falling rainbow of downstream reaches predetermined peak level, downstream hydraulic integrated headstock gear is fast by downstream influent side gate opening.Caliber due to downstream wastewater outlet pipe is greater than the caliber of inverted siphon, flow out downstream by downstream wastewater outlet pipe when the work of falling Hong Jing of making starts to fall the water yield of Hong Jing and be greater than the water yield flowed into by inverted siphon in the well of falling rainbow of downstream, thus fall between Hong Jing and the downstream well of falling rainbow in upstream to form a pressure reduction, this pressure reduction accelerates the flow velocity of the current flow through in inverted siphon, and then is carried out comprehensively from rinsing the system of falling rainbow by this High-Pressure Water.
Owing to being provided with the downstream hydraulic integrated headstock gear for controlling downstream influent side gate opening/closing in the well of falling rainbow of downstream, solving the problem that in prior art, electronic headstock gear closing velocity is slower, ensure that the formation of pressure reduction.Meanwhile, fall Hong Jing and downstream fall the influent side of Hong Jing owing to inlet gate to be arranged at respectively upstream, the impact that gate is subject to is less, extends the application life of gate, and retaining process easily realizes, and is not easy to occur drainage.
Be arranged at the ultrasonic liquid leveller in upstream device layer, the downstream peak level in the well of falling rainbow of downstream can be detected, and detected water level is transferred to downstream automatic control system, achieve the automatic control to the system of falling rainbow flushing process.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (5)
1. one kind from the system of falling rainbow of flushing, at least comprises the upstream be communicated with upstream sewage water inlet pipe and falls Hong Jing, and fall Hong Jing and be connected at least two inverted siphons fallen between Hong Jing and the described downstream well of falling rainbow described upstream in the downstream be communicated with downstream wastewater outlet pipe; The caliber of described downstream wastewater outlet pipe is greater than the caliber of described inverted siphon, it is characterized in that, described upstream is fallen Hong Jing and comprised upstream equipment floor and be arranged at the well room, upstream of described upstream equipment floor bottom; Well room, described upstream comprises the first well room, upstream and the second well room, upstream be communicated with described first well room, upstream respectively and the 3rd well room, upstream that are communicated with described inverted siphon, and the influent side of described second well room, upstream and described 3rd well room, upstream is respectively arranged with upstream influent side gate; The upstream headstock gear for controlling described upstream influent side gate opening/closing is provided with in described upstream equipment layer; Described downstream is fallen Hong Jing and is comprised upstream device floor and be arranged at the well room, downstream of described upstream device floor bottom; Well room, described downstream comprises the first well room, downstream and the second well room, downstream be communicated with described first well room, downstream respectively and the 3rd well room, downstream that are communicated with the other end of described inverted siphon, and the influent side of described second well room, downstream and described 3rd well room, downstream is respectively arranged with downstream influent side gate; The downstream hydraulic integrated headstock gear for controlling described downstream influent side gate opening/closing is provided with in described upstream device layer; Downstream automatic control system is also provided with in described upstream device layer; The keying of described downstream hydraulic integrated headstock gear is controlled by described downstream automatic control system.
2. as claimed in claim 1 from the system of falling rainbow of flushing, it is characterized in that, in described upstream equipment layer, be also provided with upstream automatic control system; The keying of described upstream headstock gear is controlled by described upstream automatic control system.
3. as claimed in claim 2 from the system of falling rainbow of flushing, it is characterized in that, in described upstream device layer, being also provided with the tank gage for detecting the downstream peak level in the well of falling rainbow of downstream.
4. as claimed in claim 3 from the system of falling rainbow of flushing, it is characterized in that, described tank gage is ultrasonic liquid leveller.
5. as described in any one of Claims 1-4 from the system of falling rainbow of flushing, it is characterized in that, described upstream is fallen Hong Jing and described downstream and is fallen the aboveground portion of rainbow and be respectively arranged with access hole; Described access hole is provided with access hole cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520124177.2U CN204456414U (en) | 2015-03-03 | 2015-03-03 | From the flushing system of falling rainbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520124177.2U CN204456414U (en) | 2015-03-03 | 2015-03-03 | From the flushing system of falling rainbow |
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| Publication Number | Publication Date |
|---|---|
| CN204456414U true CN204456414U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520124177.2U Expired - Fee Related CN204456414U (en) | 2015-03-03 | 2015-03-03 | From the flushing system of falling rainbow |
Country Status (1)
| Country | Link |
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| CN (1) | CN204456414U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403452A (en) * | 2018-09-28 | 2019-03-01 | 苏州同尚工程设计咨询有限公司 | A kind of method of the inverted siphon system and anti-siltation of anti-siltation |
| CN110306484A (en) * | 2019-06-27 | 2019-10-08 | 中国一冶集团有限公司 | The well construction of falling rainbow method |
| CN111335448A (en) * | 2020-04-10 | 2020-06-26 | 济南市市政工程设计研究院（集团）有限责任公司 | Inverted siphon system and dredging method |
-
2015
- 2015-03-03 CN CN201520124177.2U patent/CN204456414U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403452A (en) * | 2018-09-28 | 2019-03-01 | 苏州同尚工程设计咨询有限公司 | A kind of method of the inverted siphon system and anti-siltation of anti-siltation |
| CN110306484A (en) * | 2019-06-27 | 2019-10-08 | 中国一冶集团有限公司 | The well construction of falling rainbow method |
| CN110306484B (en) * | 2019-06-27 | 2021-06-29 | 中国一冶集团有限公司 | Inverted siphon well construction method |
| CN111335448A (en) * | 2020-04-10 | 2020-06-26 | 济南市市政工程设计研究院（集团）有限责任公司 | Inverted siphon system and dredging method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 230041 Anhui province Hefei City Yingshang Road West, Yi Jing Road South colorful 16 storey office building, 17 floor, 18 floor Patentee after: HEFEI MUNICIPAL DESIGN AND RESEARCH INSTITUTE Co.,Ltd. Address before: 230041 Anqing Road, Anhui, China, No. 85, No. Patentee before: HEFEI MUNICIPAL DESIGN INSTITUTE Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |
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| CF01 | Termination of patent right due to non-payment of annual fee |