CN204826174U - A swash plate device for driving particle in rainwater regulation pond - Google Patents
A swash plate device for driving particle in rainwater regulation pond Download PDFInfo
- Publication number
- CN204826174U CN204826174U CN201520161920.1U CN201520161920U CN204826174U CN 204826174 U CN204826174 U CN 204826174U CN 201520161920 U CN201520161920 U CN 201520161920U CN 204826174 U CN204826174 U CN 204826174U
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- CN
- China
- Prior art keywords
- swash plate
- detention tank
- suspended particulate
- particulate substance
- storm detention
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a swash plate device for driving particle in rainwater regulation pond, wherein the device includes: measuring unit locates in the rainwater regulation pond for measure particle's in the regulation of the rainwater regulation pond institute initial stage rainwater mean diameter, volume concentration and concentration by mass, the swash plate is located in the rainwater regulation pond and can be rotated with adjustment inclination around the horizontal axis for efficiency is clear away to particle's sediment in the promotion initial stage rainwater, power pack is connected with the swash plate for the drive swash plate rotates, the automatic control unit is connected with power pack and measuring unit respectively for measuring result according to measuring unit passes through the inclination that power pack adjusted the swash plate. Compared with the prior art, the utility model discloses compact structure and can get rid of the particle in initial stage rainwater or the combined sewage effectively is to particle and chemical oxygen demand's the maximum material removal rate all above 80%.
Description
Technical field
The utility model relates to a kind of pollution cleanup technology of municipal drainage field, especially relates to a kind of sloping plate unit for removing suspended particulate substance in storm detention tank.
Background technology
It is the important pollution source that urban surface water quality declines that early-stage rainwater pollutes, and is also the ubiquitous problem in the outer city of Now Domestic.For this reason, carry out a large amount of early-stage rainwater pollution control research both at home and abroad, wherein storm detention tank is a kind of engineering measure of effective reduction early-stage rainwater pollution load of overflow problem, abroad by domestic extensive use, domesticly start First storm detention tank from 2006 and come into operation in Shanghai, modernly domesticly have an appointment 30 to the end of the year 2014.Existing storm detention tank construction is subject to the factors restrictions such as construction costs, municipal land used, geological conditions, operation maintenance, its volume, and namely water storage space can not be built very large; And after the water yield entering storm detention tank exceedes its design volume, exceeding part can only overflow discharge, due in early-stage rainwater containing a large amount of suspended particulate substance, therefore the overflow sewage of storm detention tank still causes pollution to a certain degree to city receiving water body.
Due to the early-stage rainwater of separated drainage system or combined drainage system pollute in a large amount of pollutants exist with the state of particulate form, how to cut down the granulating material in early-stage rainwater fast, namely granulating material rapid precipitation is impelled to separate from water body, make storm detention tank on the basis playing the contamination of retaining reduction early-stage rainwater, increase the removing function to early-stage rainwater suspended particulate substance, and then add " the actual use volume " of storm detention tank, this is a kind of thinking of novelty.
Chinese patent CN103071320A discloses a kind of for the pretreated waterpower particle separator of rainwater, eliminator comprises: collecting-tank, sedimentation basin and water storage chamber, the top of collecting-tank is provided with water inlet pipe, bottom is provided with water pump, bottom is also provided with a flowing hole higher than basal surface position, and flowing hole is provided with baffle plate, and the middle part of sedimentation basin is provided with row's swash plate, the side of sedimentation basin is overflow wall, and the bottom of overflow wall is also provided with a flushing door.But this waterpower particle separator has following deficiency: one be it is for rainwater pretreatment design, lack the flow-control into water place, therefore when being applied to storm detention tank, because rainwater has the unstability of amount of precipitation, therefore current can be caused unbalanced, have impact on result of use; Two is that it lacks automatic control unit, and operation is by artificial; Three is that the rotation of its swash plate controls shortage one control mode effectively accurately, and effect is undesirable.
Based on this thinking, the research and development of the science and technology of this area and engineers and technicians be devoted to develop a kind of structure simply, simple operation, the swash plate scavenge unit of the storm detention tank suspended particulate substance that cheap, operational efficiency is high and using method.
Summary of the invention
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and a kind of sloping plate unit for removing suspended particulate substance in storm detention tank is provided.
The purpose of this utility model can be achieved through the following technical solutions:
For removing a sloping plate unit for suspended particulate substance in storm detention tank, comprising:
Measuring unit, is located in storm detention tank, for measure storm detention tank the average grain diameter of suspended particulate substance, volumetric concentration and mass concentration in early-stage rainwater of regulating and storing;
Swash plate, to be located in storm detention tank and can around horizontal axis to adjust angle of inclination, for promoting the precipitation elimination efficiency of suspended particulate substance in early-stage rainwater;
Power unit, is connected with swash plate, rotates for driving swash plate;
Automatic control unit, is connected with power unit and measuring unit respectively, for being adjusted the angle of inclination of swash plate by power unit according to the measurement result of measuring unit.
Described power unit comprises the hydraulic pump, electromagnetic valve and the hydraulic cylinder that connect successively, and described hydraulic pump is all connected with automatic control unit with electromagnetic valve, and described hydraulic cylinder is connected with swash plate.
Described measuring unit comprise for measure storm detention tank early-stage rainwater of regulating and storing liquid level data ultrasonic flowmeter, for measure storm detention tank in early-stage rainwater of regulating and storing suspended particulate substance average grain diameter, volumetric concentration laser particle analyzer and for measure storm detention tank the concentration of suspension analyzer of suspended particulate substance quality concentration in early-stage rainwater of regulating and storing, described ultrasonic flowmeter, laser particle analyzer are all connected with automatic control unit with concentration of suspension analyzer.
Described swash plate comprises multi-disc swash plate sheet material, and adjacent swash plate sheet material spacing is 12mm ~ 48mm.
Described sloping plate unit also comprises the inclination cleaner for rinsing swash plate, and this inclination cleaner to be located in storm detention tank and to be connected with automatic control unit.
Compared with prior art, the utility model has the following advantages:
1) the utility model compact conformation and the suspended particulate substance can effectively removed in early-stage rainwater or combined sewage, to the maximum material removal rate of suspended particulate substance and COD all more than 80%, utilize sloping plate deposition principle, remove storm detention tank the pollutant of particulate form in rainwater of regulating and storing, increase " actual volume " of storm detention tank.
2) rainwater of regulating and storing in discharge, greatly reduces the pollution load of overflow of early-stage rainwater, decreases the pollution to city receiving water body after removing most of suspended particulate substance.
3) best angle utilizing the survey data of ultrasonic flowmeter, laser particle analyzer, concentration of suspension analyzer to adjust swash plate in real time to clear the pollution off, realizes the maximum elimination efficiency to suspended particulate substance in early-stage rainwater.
4) suspended particulate substance swash plate scavenge unit structure of the present utility model is simple, is easy to install, and is easy to safeguard, improves the health and safety of operating personnel.
5) due to the existence of automatic control unit, the utility model whole-course automation controls, and overall process information system management, operation stability is high, daily management easy to implement.
6) adjacent swash plate sheet material spacing is 12mm ~ 48mm, can convert with inch easily, be convenient to processing and manufacturing, also can optimize the rotational angle of swash plate simultaneously for the situation of the suspended particulate substance in urban rainwater, improve the control accuracy of suspended particulate substance sedimentation rate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the water inlet pattern diagram in an embodiment;
Fig. 3 is the pollution reduction pattern diagram in an embodiment;
Fig. 4 is the vent mode schematic diagram in an embodiment;
Fig. 5 is the rinse mode schematic diagram in an embodiment;
Wherein: 1, automatic control unit, 2, measuring unit, 3, power unit, 4, pollutant clearing cell, 5, storm detention tank, 6, water inlet pipe, 7, to intake flap valve, 8, scum board, 9, outlet pipe, 10, rinse door, 11, emptying pump, 21, ultrasonic flowmeter, 22, laser particle analyzer, 23, concentration of suspension analyzer, 31, hydraulic pump, 32, electromagnetic valve, 33, hydraulic cylinder, 41, swash plate, 42, swash plate cleaner.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
For removing a sloping plate unit for suspended particulate substance in storm detention tank, as shown in Figure 1, comprising:
Measuring unit 2, is located in storm detention tank 5, for measure storm detention tank 5 the average grain diameter of suspended particulate substance, volumetric concentration and mass concentration in early-stage rainwater of regulating and storing;
Swash plate 41, to be located in storm detention tank 5 and can around horizontal axis to adjust angle of inclination, for promoting the precipitation elimination efficiency of suspended particulate substance in early-stage rainwater;
Power unit 3, is connected with swash plate 41, rotates for driving swash plate 41;
Automatic control unit 1, is connected with power unit 3 and measuring unit 2 respectively, for being adjusted the angle of inclination of swash plate 41 by power unit 3 according to the measurement result of measuring unit.
As shown in Figure 2, storm detention tank 5 comprising reservoir for storing early-stage rainwater, rinsing the developing room of flushing water of reservoir and the flushing partition wall for intercepting developing room and reservoir for storing, developing room is located at reservoir side, flushing partition wall is located between developing room and reservoir and bottom and is provided with flushing door 10, rinse the seal gasket that door 10 is provided with high strength, high strength, swash plate 41 is located in reservoir, being fixed on also can around horizontal axis to adjust angle of inclination on flushing partition wall, and the water in reservoir must pass through from the runner between swash plate 41.Automatic control unit 1 is positioned at the exterior top of storm detention tank 5, and measuring unit 2 is positioned on the retaining pool wall of storm detention tank 5, and swash plate cleaner position 42 is in the top, inner space of storm detention tank 5.
Wherein, rinse door 10 is open mode under non-retaining state, reduce the access times of seal gasket, increase the application life of seal gasket, rinse door 10 and there is the ability of flushing desilting well, maximum flushing head can reach 8m, and rinse that door 10 is maximum can be long to 160m simultaneously, and the wide columns base of 1.5m ~ 7m effectively rinses desilting.
Rinse door 10 and can serve bottom gradient less reservoir flat even, concrete, rinse door 10 serve the bottom gradient scope of reservoir can between 0 ~ 2.0%.
Power unit comprises the hydraulic pump 31, electromagnetic valve 32 and the hydraulic cylinder 33 that connect successively, and hydraulic pump 31 is all connected with automatic control unit 1 with electromagnetic valve 32, and hydraulic cylinder 33 is connected with swash plate 41, and wherein, hydraulic cylinder 33 controls the startup of swash plate 41, rotation and reset.Automatic control unit 1 can carry out Automatic Control by tele-control system.The scale of the volume of storm detention tank 5 is determined according to the parametric synthesis such as amount of precipitation, rainfall intensity, service area, the runoff coefficient of service range, the pollution reduction target of storage pond of locality.Swash plate 41, swash plate cleaner 42 are stainless steel, sturdy and durable.
Measuring unit 2 comprise for measure storm detention tank 5 the ultrasonic flowmeter 21 of liquid level data of early-stage rainwater of regulating and storing, for measure storm detention tank 5 suspended particulate substance average grain diameter in early-stage rainwater of regulating and storing, the laser particle analyzer 22 of volumetric concentration and for measure storm detention tank 5 the concentration of suspension analyzer 23 of suspended particulate substance quality concentration in early-stage rainwater of regulating and storing, ultrasonic flowmeter 21, laser particle analyzer 22 is all connected with automatic control unit 1 with concentration of suspension analyzer 23, ultrasonic flowmeter 21, laser particle analyzer 22 and concentration of suspension analyzer 23, hydraulic pump 31, electromagnetic valve 32 and hydraulic cylinder 33 are IP68 degree of protection.
After early-stage rainwater containing a large amount of suspended particulate substance enters storm detention tank 5, flow velocity, flow, liquid level data that automatic control unit 1 is measured based on ultrasonic flowmeter 21, average grain diameter, the volumetric concentration data of the suspended particulate substance that laser particle analyzer 22 is measured, with the mass concentration data of the suspended particulate substance of concentration of suspension analyzer 23, the calculating built-in according to described automatic control unit 1 and control program, the work of the described hydraulic pump 31 of described power unit 3, described electromagnetic valve 32 and described hydraulic cylinder 33 that controls is to regulate the angle of inclination of swash plate.
Swash plate 41 comprises multi-disc swash plate sheet material, adjacent swash plate sheet material spacing is 12mm ~ 48mm, specifically carry out type selecting according to the early-stage rainwater water quality situation of locality, be specially the particle diameter of suspended particulate substance in regulated and stored early-stage rainwater and density and determine, particle diameter is large, spacing is large, density is large, spacing is large, vice versa, guarantee that the precipitation elimination efficiency precipitation elimination efficiency of suspended particulate substance was not less than for 80% (namely when swash plate 41 is for maximum tilt angle, under local extreme condition, the sedimentation rate of suspended particulate substance is not less than 80%).Wherein, swash plate 41 rotates energy consumption at every turn and is generally no more than 0.1kWh, and plate 41 rotate in place and is generally no more than 1min, and the angle of inclination of swash plate 41 can ° rotation 0 ° of (plumbness) ~ 60.
Sloping plate unit also comprises the inclination cleaner 42 for rinsing swash plate 41, this inclination cleaner 42 to be located in storm detention tank 5 and to be connected with automatic control unit 1, swash plate 41 and inclination cleaner 42 form pollutant clearing cell 4 jointly, and automatic control unit 1 controls swash plate cleaner 42 pairs of swash plates 41 and carries out water jetting at high pressure cleaning.
For removing an application process for the sloping plate unit of suspended particulate substance in storm detention tank, the method for improve storm detention tank 5 the settling velocity of suspended particulate substance in early-stage rainwater of regulating and storing, comprise step:
A. automatic control unit 1 and measuring unit 2 record storm detention tank 5 the settling rate of suspended particulate substance in early-stage rainwater of regulating and storing, specifically comprise step:
A1. ultrasonic flowmeter 21 record storm detention tank 5 early-stage rainwater of regulating and storing fluid level data after, obtain the liquid level rate of climb in storm detention tank 5 by automatic control unit 1;
A2., after laser particle analyzer 22 and concentration of suspension analyzer 23 record the average grain diameter of suspended particulate substance in storm detention tank 5, volumetric concentration and mass concentration, the average setting velocity of suspended particulate substance in hydrostatic is obtained by automatic control unit 1:
Wherein: W
sfor the average setting velocity of suspended particulate substance in hydrostatic, D
mfor the average grain diameter of suspended particulate substance, g is acceleration of gravity, and η is the coefficient of dynamic viscosity of water, and Δ ρ is specially:
Wherein: SSC is the mass concentration of suspended particulate substance, VC is the volumetric concentration of suspended particulate substance;
A3. automatic control unit 1 according to the liquid level rate of climb in storm detention tank 5 and suspended particulate substance the average setting velocity in hydrostatic obtain storm detention tank 5 the settling rate of suspended particulate substance in early-stage rainwater of regulating and storing:
W＝W
s-W
D
Wherein: W is the settling rate of suspended particulate substance, W
dfor the liquid level rate of climb in storm detention tank 5.
B. automatic control unit 1 regulates the angle of inclination of swash plate to promote the precipitation elimination efficiency of suspended particulate substance in early-stage rainwater according to the settling rate of suspended particulate substance in rainwater.
The angle of inclination of swash plate 41 is specially:
B1. suspended particulate substance is obtained at the longest vertical traveling time according to swash plate panel length and the settling rate of suspended particulate substance:
t
1＝l
1·sinα/W
Wherein: l
1for the length of swash plate sheet material, α is swash plate inclination angle;
B2. obtain the longest of suspended particulate substance according to the liquid level rate of climb in storm detention tank 5 and swash plate spacing and move horizontally the time:
t
2＝d/(sinα·V
2)
Wherein: d is the spacing of swash plate sheet material, V
2be specially:
V
2＝W
D·cotα
B3. calculate and work as t
2≤ 0.8t
1time, the minimum value of α, automatic control unit 1 controls swash plate 41 and rotates to α angle.
Concrete, measuring the rate of climb when ultrasonic flowmeter 21 is W
d, then its upflow velocity along swash plate direction is V
1=W
d/ sin α;
The horizontal movement velocity of suspended particulate substance in water is: V
2=V
1cos α; The maximum horizontal displacement of suspended particulate substance is: l
2=d/sin α;
The the longest of suspended particulate substance moves horizontally time t
2for: l
2=V
2; The maximum perpendicular displacement of suspended particulate substance is l
1sin α; The longest vertical traveling time t of suspended particulate substance
1for: l
1sin α/W; When meeting t
2≤ t
1time, suspended particulate substance is deposited on swash plate.
According to above-mentioned principle and design formulas, automatic control unit combines and obtains swash plate minimum angle-of-incidence when elimination efficiency reaches 80% and control swash plate 41 by power unit 3 and turn to best angle, in the present embodiment, works as t
2≤ 0.8t
1time just think that elimination efficiency reaches 80%.
Wherein, under identical water inlet flow condition, when the settling rate of suspended particulate substance is large, swash plate 41 angle of inclination is little; Under the settling rate of identical suspended particulate substance, when water intake velocity is large, swash plate 41 angle of inclination is large.Therefore, when the settling rate of suspended particulate substance is large, when early-stage rainwater flow velocity is less, swash plate 41 is in vertical state substantially; Along with rainfall increases, early-stage rainwater flow velocity increases gradually, and the precipitation elimination efficiency of suspended particulate substance reduces gradually, but increases the angle of inclination of swash plate 41 in real time by swash plate adjuster, can increase precipitation elimination efficiency.The whole service life cycle of swash plate 41 is good to the elimination effect of initial rainwater pollutant, with low cost.
As shown in Figure 2, storm detention tank 5 is provided with outlet pipe 9, scum board 8 is provided with between outlet pipe 9 and reservoir, to regulate and store volume when exceeding storm detention tank 5, and the early-stage rainwater of most of suspended particulate substance is removed through swash plate 41, utilize scum board 8 to remove further in early-stage rainwater after floating pollutant matter, enter city receiving water body by outlet pipe 9.
Fig. 2 ~ Fig. 5 is in an embodiment, under full pool mode, and a kind of operation use procedure of the sloping plate unit for removing suspended particulate substance in storm detention tank.
As shown in Figure 2, rainfall starts, and swash plate 41 is plumbness.
As shown in Figure 2, between flush period, the early-stage rainwater that municipal drainage pipe network is collected enters storm detention tank 5 by water inlet pipe 6 through water inlet flap valve 7, and the water level of storm detention tank 5 inside progressively rises.
As shown in Figure 3, the waterlevel data of storm detention tank 5 inside that automatic control unit 1 is measured according to ultrasonic flowmeter 21, when water level is for rising to bottom swash plate 41, automatic control unit 1 enabled instruction is to the hydraulic pump 31 shown in Fig. 1 and electromagnetic valve 32, hydraulic pump 31 and electromagnetic valve 32 hydraulic control cylinder 33, hydraulic cylinder 33 controls swash plate 41 and progressively tilts to default inclination angle.
As shown in Figure 3, after the water level of the flushing water of storage pond 5 reaches rinsing requirement, automatic control unit 1, by the control program of setting, is closed and is rinsed door 10.
As shown in Figure 3, rainfall continues, storm detention tank 5 water level inside continues to rise, when water level exceedes swash plate 41 top, according to the definitely heavy speed of suspended particulate substance in the early-stage rainwater that ultrasonic flowmeter 21, laser particle analyzer 22, concentration of suspension analyzer 23 survey data draw, and the spacing of swash plate 41, power unit 3 controls swash plate 41 and turns to best angle, realizes the maximum elimination efficiency to suspended particulate substance in early-stage rainwater.
As shown in Figure 3, rainfall continues, and storm detention tank 5 water level continues rising and reaches overflow height, precipitates the early-stage rainwater removing most of suspended particulate substance through swash plate 41, after scum board 8 removes floating pollutant matter further, by outlet pipe 9 overflow discharge to city receiving water body;
As shown in Figure 3, rainfall continues, because suspended particle size in early-stage rainwater reduces, low according to the definitely heavy prompt drop of suspended particulate substance in the early-stage rainwater that ultrasonic flowmeter 21, laser particle analyzer 22, concentration of suspension analyzer 23 survey data draw, power unit 3 controls swash plate 41 and increases inclination angle, turn to new best angle, realize the maximum elimination efficiency to suspended particulate substance in early-stage rainwater.Meanwhile, precipitate the early-stage rainwater removing most of suspended particulate substance through swash plate 41, after scum board 8 removes floating pollutant matter further, by outlet pipe 9 overflow discharge to city receiving water body;
As shown in Figure 4, rainfall stop, automatic control unit 1 enabled instruction to power unit 3, as shown in Figure 1, hydraulic pump 31 and electromagnetic valve 32, hydraulic pump 31 and electromagnetic valve 32 hydraulic control cylinder 33, hydraulic cylinder 33 controls swash plate 41 as shown in Figure 4 and recovers vertical angle;
As shown in Figure 4, storm detention tank 5, by the stored early-stage rainwater emptying of removing most of suspended particulate substance through precipitation, utilizes emptying pump 10 emptying to city receiving water body;
As shown in Figure 5, after rain water reservoir 5 emptying terminates, automatic control unit 1 starts swash plate cleaner 42, and swash plate cleaner 42 utilizes water jetting at high pressure to clean the deposit on swash plate 41;
As shown in Figure 5, after swash plate 41 is clean, storm detention tank 5 utilizes flushing door 10 to carry out bottom irrigation, and the mud of bottom deposit carries out cleaning erosion and deposition and emptying, and emptying enters municipal drainage pipe network.
As shown in Figure 5, after reservoir emptying terminates, automatic control unit 1 controls to rinse door 10 and opens, and the flushing water stored in developing room pours columns base fast, carry out cleaning erosion and deposition to the mud of columns base deposition, the mud after cleaning erosion and deposition and flushing water enter municipal drainage pipe network.
Claims (5)
1. for removing a sloping plate unit for suspended particulate substance in storm detention tank, it is characterized in that, comprising:
Measuring unit (2), is located in storm detention tank (5), for measure storm detention tank (5) the average grain diameter of suspended particulate substance, volumetric concentration and mass concentration in early-stage rainwater of regulating and storing;
Swash plate (41), to be located in storm detention tank (5) and can around horizontal axis to adjust angle of inclination, for promoting the precipitation elimination efficiency of suspended particulate substance in early-stage rainwater;
Power unit (3), is connected with swash plate (41), rotates for driving swash plate (41);
Automatic control unit (1), be connected with power unit (3) and measuring unit (2) respectively, for being adjusted the angle of inclination of swash plate (41) by power unit (3) according to the measurement result of measuring unit.
2. a kind of sloping plate unit for removing suspended particulate substance in storm detention tank according to claim 1, it is characterized in that, described power unit comprises the hydraulic pump (31), electromagnetic valve (32) and the hydraulic cylinder (33) that connect successively, described hydraulic pump (31) is all connected with automatic control unit (1) with electromagnetic valve (32), and described hydraulic cylinder (33) is connected with swash plate (41).
3. a kind of sloping plate unit for removing suspended particulate substance in storm detention tank according to claim 1, it is characterized in that, described measuring unit (2) comprise for measure storm detention tank (5) the ultrasonic flowmeter (21) of liquid level data of early-stage rainwater of regulating and storing, for measuring suspended particulate substance average grain diameter in storm detention tank (5) early-stage rainwater of regulating and storing, the laser particle analyzer (22) of volumetric concentration and for measure storm detention tank (5) the concentration of suspension analyzer (23) of suspended particulate substance quality concentration in early-stage rainwater of regulating and storing, described ultrasonic flowmeter (21), laser particle analyzer (22) is all connected with automatic control unit (1) with concentration of suspension analyzer (23).
4. a kind of sloping plate unit for removing suspended particulate substance in storm detention tank according to claim 3, is characterized in that, described swash plate (41) comprises multi-disc swash plate sheet material, and adjacent swash plate sheet material spacing is 12mm ~ 48mm.
5. a kind of sloping plate unit for removing suspended particulate substance in storm detention tank according to claim 1, it is characterized in that, described sloping plate unit also comprises the inclination cleaner (42) for rinsing swash plate (41), and this inclination cleaner (42) to be located in storm detention tank (5) and to be connected with automatic control unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520161920.1U CN204826174U (en) | 2015-03-20 | 2015-03-20 | A swash plate device for driving particle in rainwater regulation pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520161920.1U CN204826174U (en) | 2015-03-20 | 2015-03-20 | A swash plate device for driving particle in rainwater regulation pond |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204826174U true CN204826174U (en) | 2015-12-02 |
Family
ID=54683790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520161920.1U Withdrawn - After Issue CN204826174U (en) | 2015-03-20 | 2015-03-20 | A swash plate device for driving particle in rainwater regulation pond |
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| CN (1) | CN204826174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727436A (en) * | 2015-03-20 | 2015-06-24 | 洼石环境工程（上海）有限公司 | Sloping plate device for removing suspended particles in rainwater storage tank and application thereof |
-
2015
- 2015-03-20 CN CN201520161920.1U patent/CN204826174U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727436A (en) * | 2015-03-20 | 2015-06-24 | 洼石环境工程（上海）有限公司 | Sloping plate device for removing suspended particles in rainwater storage tank and application thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |