CN201433156Y - Non-energy consumption full-automatic power sewage purifying tank - Google Patents
Non-energy consumption full-automatic power sewage purifying tank Download PDFInfo
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- CN201433156Y CN201433156Y CN200920171849XU CN200920171849U CN201433156Y CN 201433156 Y CN201433156 Y CN 201433156Y CN 200920171849X U CN200920171849X U CN 200920171849XU CN 200920171849 U CN200920171849 U CN 200920171849U CN 201433156 Y CN201433156 Y CN 201433156Y
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- pump
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Abstract
The utility model discloses a non-energy consumption full-automatic power sewage purifying tank which comprises a purifying tank body below the horizon; the purifying tank body internally comprises ananaerobic fermentation tank, a desilting separating tank, a baffling digestion tank, an anaerobic filter bed tank and a primary sedimentation tank which are communicated sequentially, and a facultative filter bed tank and a secondary sedimentation tank which are communicated mutually, wherein a space is reserved between the primary sedimentation tank and the facultative filter bed; a panel is fixedly and horizontally placed on the partition wall of the facultative filter bed; two sides of the panel are respectively positioned in a space between the primary sedimentation tank and an upper opening surface of the facultative filter bed; the panel is provided with a plurality of U-shaped grooves which are communicated mutually and has mixing function; a water containing tank and a water dropping tank which are arranged on the panel are respectively communicated with the U-shaped grooves; the primary sedimentation tank and the secondary sedimentation tank are both internally provided withwater level controllers and water turning machines, and an oxygen adding machine is arranged on the water containing groove; and an air conveyor is installed at an air inlet on the purifying tank body. The non-energy consumption full-automatic power sewage purifying tank has the advantages of energy saving, convenient operation, high water discharging quality, and the like.
Description
Technical field:
The utility model relates to a kind of sewage discharge treatment unit, specifically is a kind of nothing power consumption full-automatic dynamically sewage purifier.
Background technology:
From the appearance of sanitary sewage purifying biogas generating pit, common people have just known that the organic sewage discharging is that very important hazardness is arranged to the nature environment.Sanitary sewage purifying biogas generating pit has decentralization in investment, does not consume energy, operational management is easy, do not take up an area of face, is easy to synchronization implementation and also is fit to the water treatment device of distinct Chinese characteristics.Recent two decades comes in all parts of the country the popularization to adopt sanitary sewage purifying biogas generating pit to handle the urban life sewage effluent, in save energy with protect environment this has all brought certain benefit aspect two really.But, the epoch are improving in development, urban life level, the discharging of organic sewage increased with year, after the integrated wastewater discharge standard of making a fresh start was carried out, had also just improved the sanitary sewage emission standards in the part city; So sanitary sewage purifying biogas generating pit has slowly been faded from memory by common people.
Nearly many over several years cities adopt the organic nothing power consumption of microkinetic full-automatic dynamically sewage purifier to handle the discharging of organic sewage.But the effect of not bringing as yet.Sanitary sewage purifying biogas generating pit mainly is to adopt anaerobic digestion and deflector type biofiltration, flow process is four big units, belong to and be in static flow process substantially, only depend on the minimum level difference to flow, it is enclosed adding, so back segment two big units do not produce due effectiveness, cause can not the output high standard water quality.The organic nothing power consumption of microkinetic full-automatic dynamically sewage purifier is compared leading portion and is disposed of sewage effect not as sanitary sewage purifying biogas generating pit with sanitary sewage purifying biogas generating pit; But it has brought into play effectiveness in back segment two big units, ignored the importance of leading portion, so to requiring too high discharging water quality also to be difficult to reach.
From economic benefit and the energy-conservation aspect of saving still is that sanitary sewage purifying biogas generating pit is dominant more than the organic nothing power consumption of microkinetic full-automatic dynamically sewage purifier: sanitary sewage purifying biogas generating pit is exactly an one-time investment except that the advantage of introducing it in addition, does not need basically after the operation to drop into again.And the organic nothing power consumption of microkinetic full-automatic dynamically sewage purifier cost is than sanitary sewage purifying biogas generating pit cost height; After the operation, if the every day that is in operation, all need when per fund and manpower input (annual several ten thousand or hundreds of thousands of unit do not wait, the volume and the quantity discharged in root a tree name pond decide); Also need to take in addition certain area plot and build and build pump house, power distribution room, watchroom and take safe precaution measure etc.
The utility model content:
The utility model provides a kind of nothing power consumption full-automatic dynamically sewage purifier, and it has energy-conservation, and is easy to operate, goes out the water quality advantages of higher.
The utility model is achieved through the following technical solutions:
There is not power consumption full-automatic dynamically sewage purifier, include the treating pond body that is positioned under the local horizon, there is blast inlet to be communicated with on the described treating pond body with outside air, include the anaerobically fermenting pond that is communicated with successively in the described treating pond body, the desilting separate tank, the baffling digester, the anaerobic filter bed pond, primary clarifier and the double oxygen filter bed pond and the second-level settling pond that are interconnected, wherein leave the space between primary clarifier and double oxygen filter bed pond, it is characterized in that: be fixed with horizontal flat board near on the partition wall of second-level settling pond side on the described double oxygen filter bed pond, a dull and stereotyped side is positioned at the space between primary clarifier and double oxygen filter bed pond, dull and stereotyped opposite side is positioned at actinal surface on the oxygen filter bed pond of holding concurrently, have the U type groove that is interconnected on the described flat board, accompany medial launder between two bar-shaped troughs of U type groove, have some filter pore on the U type spacer block between described medial launder and U type groove; Be positioned on the described flat board on the last plane in described space and have Storage water tank, the outermost medial launder on the flat board of described Storage water tank and primary clarifier side is conducted; Be positioned on the described flat board on the last plane of the oxygen filter bed pond upside of holding concurrently and have drowning groove, the outermost medial launder on described drowning groove and the double oxygen filter bed pond on the flat board of actinal surface side is conducted, and described drowning bottom land end has some water falling holes; Water monitor one is installed in the described primary clarifier and plays cabinet to turn over the water machine, the water outlet of described water monitor one is connected with the water-in that following cabinet turns over the water machine by pipeline, have oxygenating machine to be placed on the described Storage water tank, the following cabinet partition wall that the outlet conduit that described cabinet down turns over the water machine passes primary clarifier is connected with the water-in of oxygenating machine; Water monitor two is installed in the described second-level settling pond, second-level settling pond is equipped with the pond water machine that turns up outward, the water outlet of water monitor two is connected by the turn up water-in of water machine of pipeline and pond, and the described pond partition wall that the outlet conduit of water machine passes the pond body that turns up leads to municipal sewage system; Blast inlet place on the described treating pond body is equipped with air conveyor, and described air conveyor includes the conveying body of cylindricality, carries in the body and is fixed with bracing frame, is rotatablely equipped with rotation axis on the support frame as described above, and rotation axis is set with fan blade outward; Described air conveyor also includes and is installed in the intravital suction tube for the treatment of pond, described suction tube bottom is positioned at the treating pond bottom, it is external that treating pond is stretched out on the suction tube top, and described suction tube is fixedly connected with air-breathing cap, and described air-breathing cap downside has the air outlet to be arranged on the suction channel sidewall;
Oxygenating machine includes body, and organism sidewall is provided with water-in, organism bottom is provided with some posticums, and described body inner bottom part is rotatablely equipped with the rachis of vertical placement, and the rachis external fixation is set with water impeller; Be fixed with variable-speed motor on the described body, described rachis upper end is passed body and is stretched into the interior main drive shaft as variable-speed motor of variable-speed motor; Be fixed with the pump chamber that is used to settle the oxygen uptake pump on the described variable-speed motor, have inlet mouth on the pump chamber, the oxygen uptake pump is installed in the pump chamber, it is outer as described oxygen uptake pump pump shaft that the output shaft in the described variable-speed motor stretches out variable-speed motor; Described pump chamber sidewall is connected with the oxygen output pipe road, and the oxygen exhaust in oxygen output pipe road feeds in the Storage water tank;
Turn over the water machine, include and turn over the water body, the sidewall that turns over the water body is provided with water-in, describedly turn over the rachis that water body inner roof wall is rotatablely equipped with vertical placement, described rachis external fixation is set with wiper blade, and described wiper blade downside has the stop plank of level to be fixed on described turning in the water body, on the described stop plank perforate is arranged, be fixed with wheel box under the described stop plank, described rachis lower end is passed the perforate on the stop plank and is stretched in the wheel box as its main drive shaft; Described wheel box lower end is fixed with pump chamber, and the pump chamber sidewall is connected with outlet conduit, is provided with in the described pump chamber and turns over water pump, and the output shaft in the described wheel box passes gear box and stretches into described turning in the water pump as turning over water pump shaft;
Water monitor, include the body of hollow cylindrical, have water-in on the sidewall of described body lower end, described body internal fixing has horizontal strongback, on the described strongback perforate is arranged, the bottom of described device is fixedly connected with the device seat of hollow cylindrical, described body top is fixed with cover plate, cover plate is fixed with the perpendicular hollow mark post post of putting, described mark post post sidewall has the bar-shaped trough of vertical direction, and described mark post post is set with cover in the ball float outward, and the cover external fixation is set with ball float in the ball float, be fixed with on the inwall of cover in the described ball float and transfer the square axle, described accent square axle inserts in the described bar-shaped trough and also is slidingly matched with it; Valve rod has been hung by wire in described accent square axle lower end, and described valve rod lower end is passed the perforate on cover plate and the strongback and stretched in the device, and described valve rod bottom is fixedly connected with spool, and described spool top is pressed on the opening part of device seat.
The utility model is standard (guarantee structural safety, safe class is not less than secondary) with " advanced technology, economical rationality, safe and applicable, guarantee quality ".The design variable that design consideration is relevant, (nothing power consumption full-automatic dynamically does not have power consumption full-automatic dynamically sewage purifier and is divided into the three major types type: the sewage of living, hospital's sanitary sewage and public lavatory fecal sewage to carry out computational analysis according to the existing dependency structure design specifications of country.Because it removes pollutant target difference, the structure of technology and civil engineering thereof, design be difference to some extent just).
Global shape of the present utility model be long strip shape (in actually operating whole shape strong be the decision of root a tree name geographical environmental condition: be rectangle or long strip shape); Be divided into pre-treatment district, middle treatment zone and aftertreatment San Da district.Pre-treatment district and middle treatment zone pond type are rectangle, and post processing zone pond type is by upper and lower two-layer combining.
Technical process of the present utility model is: organic sewage passes through the anaerobically fermenting pond successively, the desilting separate tank, the baffling digester, the anaerobic filter bed pond enters in the primary clarifier after handling, after the water level in the elementary settling tank reach a certain height, ball float on the water monitor can be gone up floating under the water buoyancy function mutually, and then, pulling function by mark post post and valve rod, spool is moved up, at this moment, enter the gap that water that elementary precipitation crosses can see through between spool and device through the prosopyle and flow into the device seat, and be transferred to down cabinet by the water that the pipeline that is connected on the device seat is crossed elementary precipitation and turn in the water machine, the wiper blade that the water input that described elementary precipitation is crossed is turned in the water machine is rotated under the shock action of water, effect by wiper blade simultaneously drives the rotation of waterleaf axle, the waterleaf axle is by the gearing of variable-speed motor, the pump shaft that water pump is turned in drive rotates, and then make and turn over pump working, the water that elementary precipitation is crossed quickens to be transported in the oxygenating machine by the effect of turning over water pump.
In like manner, water that described elementary precipitation the is crossed input oxygenating machine backlash impeller of striking waters rotates water impeller, driving rachis simultaneously rotates, rachis is by the gearing of variable-speed motor, the oxygen uptake pump shaft that drives the oxygen uptake pump rotates, and then make the oxygen uptake pump work, the oxygen suction pump is indoor and by oxygen output pipe road output.Because oxygenating machine is placed in the described Storage water tank, so air conveyor in the course of the work, the water that elementary precipitation is crossed can constantly must see through posticum and drench in the Storage water tank, simultaneously, the oxygen exhaust in described oxygen output pipe road is positioned at Storage water tank, and be immersed in the water in the Storage water tank, thereby realize the oxygenation effect of water that elementary precipitation is crossed.
Water behind the oxygenation can flow on the side flat board of elementary pond in the medial launder in the outermost U type groove along conduit, simultaneously, the filter pore that water can see through on the U type piece flows in the U type groove, in like manner, described water can circulate each U type groove of mixed flow process successively repeatedly to reach the effect of time-delay catalytic oxidation, finally flow in the groove that falls into water, and fall in the oxygen filter bed pond of holding concurrently through the water falling hole of the groove that falls into water.
After filtering through the oxygen of holding concurrently, the water in the oxygen filter bed pond of holding concurrently enters second-level settling pond, water level in the second-level settling pond reach a certain height, water monitor begins action, water in the second-level settling pond is transported to the pond to turn up in the water machine, and will mark water and be discharged to municipal sewage system by the turn up effect of water machine of pond, realized the sewage purification effect.
Described air conveyor is the high principle of taking out self-priming of utilization, on one side ozone is transported in the utility model, on one side the dirty gas in the utility model is transported in the atmosphere.
The utility model has the advantages that:
(1), do not come to be power by any fuel and electric power;
(2), self-timing control water level discharging;
(3), self-timing turns over water, sudden and violent gas, oxygenation and air and carries transmission;
(4), can under control, discharge specified mark water;
(5), do not need to take in addition the plot and build facility houses such as pump house;
(6), do not need to take safety precaution etc.;
(7), after operation, do not need auxiliary work personnel and fund to drop into again;
(8), also very suitable to water, electricity area and city in short supply, this pond adds less to adjust and just can give off reuse water.
Description of drawings:
Fig. 1 is a process flow sheet of the present utility model.
Fig. 2 is the plot plan in each pond in the utility model.
Fig. 3 is the sectional view of south orientation.
Fig. 4 is the sectional view of north orientation.
Fig. 5 is the sectional view of water monitor.
Fig. 6 is the sectional view that turns over the water machine.
Fig. 7 is the sectional view of oxygenating machine.
Fig. 8 is the dull and stereotyped distribution plan of going up U type groove.
Fig. 9 is the sectional view of air conveyor.
Embodiment:
There is not power consumption full-automatic dynamically sewage purifier, include the treating pond body that is positioned under the local horizon, there is blast inlet 1 to be communicated with on the described treating pond body with outside air, include the anaerobically fermenting pond 2 that is communicated with successively in the described treating pond body, desilting separate tank 3, baffling digester 4, anaerobic filter bed pond 5, primary clarifier 6 and the double oxygen filter bed pond 7 and the second-level settling pond 8 that are interconnected, wherein primary clarifier 6 and 7 in double oxygen filter bed pond have living space, be fixed with horizontal flat board 19 near on the partition wall of second-level settling pond 8 sides on the described double oxygen filter bed pond 7, dull and stereotyped 19 1 sides are positioned at the space in 7 in primary clarifier 6 and double oxygen filter bed pond, dull and stereotyped 19 opposite sides are positioned at actinal surface on the oxygen filter bed pond 7 of holding concurrently, have the U type groove 9 that is interconnected on dull and stereotyped 19, accompany medial launder between two bar-shaped troughs of U type groove 9, have some filter pore on the U type spacer block 10 that described medial launder and U type groove are 9; Being positioned at primary clarifier 6 one sides on described dull and stereotyped 19 has Storage water tank 12, and the outermost medial launder on the flat board 19 of described Storage water tank 12 and primary clarifier 6 sides is conducted; Being positioned at oxygen filter bed pond 7 one sides of holding concurrently on described dull and stereotyped 19 has drainage trap 13, and the outermost medial launder on the flat board 19 of described drowning groove 13 and double oxygen filter bed pond 7 sides is conducted, and described drowning groove 13 bottoms have some filter pore 14; Water monitor 15 is installed in the described primary clarifier 6, plays cabinet to turn over water machine 16, the water outlet of described water monitor 15 is connected with the water-in that following cabinet turns over water machine 16 by pipeline, have oxygenating machine 17 to be placed on the described Storage water tank 12, the partition wall that the described outlet conduit that turns over water machine 16 passes primary clarifier 6 is connected with the water-in of oxygenating machine 17; In the described second-level settling pond 8 water monitor 15 is installed, second-level settling pond 8 is outer to be equipped with the pond water machine 16 that turns up, the water outlet of water monitor 15 is connected by the turn up water-in of water machine 16 of pipeline and pond, and the described pond partition wall that the outlet conduit of water machine 16 passes the treating pond body that turns up leads to municipal sewage system; Blast inlet place on the described treating pond body is equipped with air conveyor, described air conveyor includes the conveying body 20 of cylindricality, carry in the body 20 and be fixed with bracing frame 21, be rotatablely equipped with rotation axis 22 on the support frame as described above 21, the rotation axis 22 outer fan blades 23 that are set with; Described air conveyor also includes and is installed in the intravital suction tube 24 for the treatment of pond, described suction tube 24 bottoms are positioned at the treating pond bottom, it is external that treating pond is stretched out on suction tube 24 tops, described suction tube 24 is fixedly connected with air-breathing cap 25, and described air-breathing cap 25 downsides have air outlet 26 to be arranged on suction tube 24 sidewalls;
Turn over water machine 16, include and turn over water body 36, the sidewall that turns over water body 36 is provided with water-in 37, describedly turn over the rachis 38 that water body 36 inner roof walls are rotatablely equipped with vertical placement, described rachis 38 external fixation are set with wiper blade 39, described wiper blade 39 downsides have the stop plank 40 of level to be fixed on described turning in the water body 36, on the described stop plank 40 perforate is arranged, described stop plank is fixed with wheel box 41 40 times, and described rachis 38 lower ends are passed the perforate on the stop plank 40 and stretched in the wheel box 41 as its main drive shaft; Described wheel box 41 lower ends are fixed with pump chamber 42, and pump chamber 42 sidewalls are connected with outlet conduit 43, are provided with in the described pump chamber 42 and turn over water pump 44, and the output shaft in the described wheel box 41 passes wheel box 41 casings and stretches into described turning in the water pump 44 as turning over water pump shaft.
Claims (1)
1, there is not power consumption full-automatic dynamically sewage purifier, include the treating pond body that is positioned under the local horizon, there is blast inlet to be communicated with on the described treating pond body with outside air, include the anaerobically fermenting pond that is communicated with successively in the described treating pond body, the desilting separate tank, the baffling digester, the anaerobic filter bed pond, primary clarifier and the double oxygen filter bed pond and the second-level settling pond that are interconnected, wherein leave the space between primary clarifier and double oxygen filter bed pond, it is characterized in that: be fixed with horizontal flat board near on the partition wall of second-level settling pond side on the described double oxygen filter bed pond, a dull and stereotyped side is positioned at the space between primary clarifier and double oxygen filter bed pond, dull and stereotyped opposite side is positioned at actinal surface on the oxygen filter bed pond of holding concurrently, have the U type groove that is interconnected on the described flat board, accompany medial launder between two bar-shaped troughs of U type groove, have some filter pore on the U type spacer block between described medial launder and U type groove; Be positioned on the described flat board on the last plane in described space and have Storage water tank, the outermost medial launder on the flat board of described Storage water tank and primary clarifier side is conducted; Be positioned on the described flat board on the last plane of the oxygen filter bed pond upside of holding concurrently and have drowning groove, the outermost medial launder on described drowning groove and the double oxygen filter bed pond on the flat board of actinal surface side is conducted, and described drowning bottom land end has some water falling holes; Water monitor one is installed in the described primary clarifier and plays cabinet to turn over the water machine, the water outlet of described water monitor one is connected with the water-in that following cabinet turns over the water machine by pipeline, have oxygenating machine to be placed on the described Storage water tank, the following cabinet partition wall that the outlet conduit that described cabinet down turns over the water machine passes primary clarifier is connected with the water-in of oxygenating machine; Water monitor two is installed in the described second-level settling pond, second-level settling pond is equipped with the pond water machine that turns up outward, the water outlet of water monitor two is connected by the turn up water-in of water machine of pipeline and pond, and the described pond partition wall that the outlet conduit of water machine passes the pond body that turns up leads to municipal sewage system; Blast inlet place on the described treating pond body is equipped with air conveyor, and described air conveyor includes the conveying body of cylindricality, carries in the body and is fixed with bracing frame, is rotatablely equipped with rotation axis on the support frame as described above, and rotation axis is set with fan blade outward; Described air conveyor also includes and is installed in the intravital suction tube for the treatment of pond, described suction tube bottom is positioned at the treating pond bottom, it is external that treating pond is stretched out on the suction tube top, and described suction tube is fixedly connected with air-breathing cap, and described air-breathing cap downside has the air outlet to be arranged on the suction channel sidewall;
Oxygenating machine includes body, and organism sidewall is provided with water-in, organism bottom is provided with some posticums, and described body inner bottom part is rotatablely equipped with the rachis of vertical placement, and the rachis external fixation is set with water impeller; Be fixed with variable-speed motor on the described body, described rachis upper end is passed body and is stretched into the interior main drive shaft as variable-speed motor of variable-speed motor; Be fixed with the pump chamber that is used to settle the oxygen uptake pump on the described variable-speed motor, pump chamber is provided with inlet mouth, and the oxygen uptake pump is installed in the pump chamber, and it is outer as described oxygen uptake pump pump shaft that the output shaft in the described variable-speed motor stretches out variable-speed motor; Described pump chamber sidewall is connected with the oxygen output pipe road, and the oxygen exhaust in oxygen output pipe road feeds in the Storage water tank;
Turn over the water machine, include and turn over the water body, the sidewall that turns over the water body is provided with water-in, describedly turn over the rachis that water body inner roof wall is rotatablely equipped with vertical placement, described rachis external fixation is set with wiper blade, and described wiper blade downside has the stop plank of level to be fixed on described turning in the water body, on the described stop plank perforate is arranged, be fixed with wheel box under the described stop plank, described rachis lower end is passed the perforate on the stop plank and is stretched in the wheel box as its main drive shaft; Described wheel box lower end is fixed with pump chamber, and the pump chamber sidewall is connected with outlet conduit, is provided with in the described pump chamber and turns over water pump, and the output shaft in the described wheel box passes gear box and stretches into described turning in the water pump as turning over water pump shaft;
Water monitor, include the body of hollow cylindrical, have water-in on the sidewall of described body lower end, described body internal fixing has horizontal strongback, on the described strongback perforate is arranged, the bottom of described device is fixedly connected with the device seat of hollow cylindrical, described body top is fixed with cover plate, cover plate is fixed with the perpendicular hollow mark post post of putting, described mark post post sidewall has the bar-shaped trough of vertical direction, and described mark post post is set with cover in the ball float outward, and the cover external fixation is set with ball float in the ball float, be fixed with on the inwall of cover in the described ball float and transfer the square axle, described accent square axle inserts in the described bar-shaped trough and also is slidingly matched with it; Valve rod has been hung by wire in described accent square axle lower end, and described valve rod lower end is passed the perforate on cover plate and the strongback and stretched in the device, and described valve rod bottom is fixedly connected with spool, and described spool top is pressed on the opening part of device seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920171849XU CN201433156Y (en) | 2009-04-30 | 2009-04-30 | Non-energy consumption full-automatic power sewage purifying tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920171849XU CN201433156Y (en) | 2009-04-30 | 2009-04-30 | Non-energy consumption full-automatic power sewage purifying tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201433156Y true CN201433156Y (en) | 2010-03-31 |
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ID=42051967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920171849XU Expired - Fee Related CN201433156Y (en) | 2009-04-30 | 2009-04-30 | Non-energy consumption full-automatic power sewage purifying tank |
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| Country | Link |
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| CN (1) | CN201433156Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104556A (en) * | 2013-02-01 | 2013-05-15 | 夏云生 | Water-raising engine free of energy consumption |
| CN114392648A (en) * | 2021-12-13 | 2022-04-26 | 深圳中铁二局工程有限公司 | Biological deodorization system |
-
2009
- 2009-04-30 CN CN200920171849XU patent/CN201433156Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104556A (en) * | 2013-02-01 | 2013-05-15 | 夏云生 | Water-raising engine free of energy consumption |
| CN114392648A (en) * | 2021-12-13 | 2022-04-26 | 深圳中铁二局工程有限公司 | Biological deodorization system |
| CN114392648B (en) * | 2021-12-13 | 2022-11-15 | 深圳中铁二局工程有限公司 | Biological deodorization system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20130430 |