CN111828330A - Integrated ship fluid pollutant collecting bin - Google Patents
Integrated ship fluid pollutant collecting bin Download PDFInfo
- Publication number
- CN111828330A CN111828330A CN202010712051.2A CN202010712051A CN111828330A CN 111828330 A CN111828330 A CN 111828330A CN 202010712051 A CN202010712051 A CN 202010712051A CN 111828330 A CN111828330 A CN 111828330A
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- Prior art keywords
- pipe
- sewage
- water
- collecting bin
- liquid level
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/02—Self-priming pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/16—Pumping installations or systems with storage reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to an integrated ship fluid pollutant collecting bin which comprises an installation platform, wherein a damping component is arranged below the installation platform, and a vacuum air exhaust device and two pollutant storage components are arranged above the damping component; store up dirty subassembly including storing up dirty pipe, control tube and self priming pump, store up dirty pipe and the vertical interval setting of control tube on the mount table, all be provided with communicating pipe between the two top and the bottom, it is provided with the gas vent to store up dirty tub of upper end, its middle part is provided with into dirty mouthful and goes out dirty mouthful, the intraductal buoy type level sensor who connects external control cabinet that is provided with of control, be provided with the filter screen communicating intraductal, be connected with the liquid level pipe between two communicating pipes, the self priming pump sets up on the mount table to be connected with a dirty mouthful through the check valve. The integrated ship liquid pollutant collecting bin adopts a negative pressure vacuum matched self-priming pump mode to realize the sewage pumping operation with large suction lift and high vertical fall; can extract two different fluid pollutants simultaneously, and has high operating efficiency, convenient operation and high intelligent degree.
Description
Technical Field
The invention relates to the field of ship sewage treatment, in particular to an integrated ship fluid pollutant collecting bin.
Background
The ship sewage treatment mainly comprises the steps of sucking sewage in a domestic sewage (or oily sewage) storage on a ship into a wharf sewage treatment system, and merging the sewage into an urban pipe network through treatment or treating the sewage again. In the sewage suction process, for pipelines with large suction distance and vertical fall, the storage can not be realized basically if a traditional sewage pump is used, or the purchasing and maintenance costs are very high, so that the integrated ship liquid pollutant collecting bin is designed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the integrated ship fluid pollutant collecting bin is provided.
In order to achieve the technical effects, the invention adopts the technical scheme that: an integrated ship fluid pollutant collecting bin comprises an installation platform, wherein a damping component is arranged below the installation platform, and a vacuum air exhaust device and two pollutant storage components are arranged above the damping component;
the sewage storage assembly comprises a sewage storage pipe, a control pipe and a self-sucking pump, the sewage storage pipe and the control pipe are vertically arranged on the mounting table at intervals, communicating pipes are arranged between the top and the bottom of the sewage storage pipe, an exhaust port is arranged at the upper end of the sewage storage pipe, a sewage inlet and a sewage outlet are arranged in the middle of the sewage storage pipe, a buoy type liquid level sensor connected with an external control cabinet is arranged in the control pipe, a filter screen is arranged in the communicating pipes, a liquid level pipe is connected between the two communicating pipes, and the self-sucking pump is arranged on the mounting table and connected with the sewage outlet;
the vacuum air extractor is connected with the two exhaust ports through a three-way pipeline, and two branch pipes of the three-way pipeline are provided with electric valves.
Furthermore, shock-absorbing component includes shock pad, abatvoix, shock attenuation layer board and a plurality of spring isolator, shock pad, abatvoix and shock attenuation layer board top-down set gradually in the mount table below, and each spring isolator equipartition is in the below of shock attenuation layer board.
Furthermore, the shock pad is a rubber pad.
Further, the vacuum air exhaust device comprises a liquid storage pipe, a water return pipe, a water outlet and a vacuum pump, wherein the liquid storage pipe is vertically arranged on the mounting table, a steam-water separator and a water inlet are respectively arranged at the upper end and the lower end of the liquid storage pipe, the water return pipe and the water outlet are respectively arranged at the top and the bottom of the liquid storage pipe, the water return pipe is of a three-way structure, a first passage of the water return pipe is connected with a water injection port, a second passage of the water return pipe is connected with an exhaust pipe, a third passage of the water return pipe is connected with the steam-water separator, a ball valve is arranged between the first passage and the water injection port, a display pipe is connected between the third passage and the water outlet, the vacuum pump is arranged on the mounting table.
Further, the water filling port is of a funnel structure, and an opening of the water filling port is arranged upwards.
Furthermore, the upper end of the control pipe is provided with a wiring outlet, and a limiting block for limiting the floating position of the buoy type liquid level sensor is further arranged in the control pipe.
Furthermore, the buoy of the buoy type liquid level sensor is of a hollow structure.
Furthermore, the liquid level pipe and the display pipe are transparent pipes with scales.
Furthermore, the filter screen is made of corrosion-resistant metal and is positioned on one side of the liquid level pipe, which is close to the sewage storage pipe.
Furthermore, an air cooling device is further arranged on the mounting table, and the wind direction of the air cooling device faces the self-sucking pump.
Compared with the prior art, the invention has the beneficial effects that:
1. the sewage pumping operation with large suction stroke and high vertical drop is realized by adopting a negative pressure vacuum matched self-priming pump mode;
2. two different fluid pollutants can be extracted simultaneously, the operation efficiency is high, the operation is convenient, and the intelligent degree is high;
3. vibration and noise pollution during dirt pumping operation can be reduced, and the operating environment is improved;
4. the vacuum air extractor is provided with a circulating channel, so that manual liquid adding is not needed when the vacuum air extractor is used next time, and the vacuum air extractor can work normally;
5. the liquid level pipe and the display pipe are arranged, so that the liquid level condition in the cabin can be observed by workers in real time.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments, and it is apparent that the described embodiments are some, but not all embodiments of the present invention.
Drawings
FIG. 1 is a schematic structural view of an integrated marine fluid contaminant collecting bin according to the present invention;
FIG. 2 is a partial schematic view of the dirt storage assembly of the present invention;
fig. 3 is an enlarged view of a portion a of fig. 1.
The reference numbers and corresponding designations in the drawings are: 1. the air-water separation device comprises a mounting table, 2 parts of a sewage storage pipe, 3 parts of a control pipe, 4 parts of a self-sucking pump, 5 parts of a communicating pipe, 6 parts of a buoy type liquid level sensor, 7 parts of a filter screen, 8 parts of a liquid level pipe, 9 parts of a one-way valve, 10 parts of a three-way pipeline, 11 parts of an electric valve, 12 parts of a shock absorption pad, 13 parts of a sound absorption plate, 14 parts of a shock absorption supporting plate, 15 parts of a spring vibration isolator, 16 parts of a liquid storage pipe, 17 parts of a water return pipe, 18 parts of a water outlet, 19 parts of a vacuum pump, 20 parts of a steam-water separator, 21 parts of a water inlet, 22 parts of a ball valve, 23 parts of a water inlet, 24 parts of an exhaust pipe, 25 parts of a display pipe, 26.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Example 1
As shown in fig. 1-3, the embodiment provides an integrated ship fluid pollutant collecting bin, which comprises an installation platform 1, wherein a damping component is arranged below the installation platform 1, and a vacuum air extraction device and two pollutant storage components are arranged above the damping component;
the sewage storage assembly comprises a sewage storage pipe 2, a control pipe 3 and a self-sucking pump 4, the sewage storage pipe 2 and the control pipe 3 are vertically arranged on the mounting platform 1 at intervals, communicating pipes 5 are arranged between the top and the bottom of the sewage storage pipe 2, an exhaust port is arranged at the upper end of the sewage storage pipe 2, a sewage inlet and a sewage outlet are arranged in the middle of the sewage storage pipe 2, a buoy type liquid level sensor 6 connected with an external control cabinet is arranged in the control pipe 3, a filter screen 7 is arranged in each communicating pipe 5, a liquid level pipe 8 is connected between the two communicating pipes 5, and the self-sucking pump 4 is arranged on the mounting platform 1 and is connected with the sewage outlet;
the vacuum pumping device is connected with two exhaust ports through a three-way pipeline 10, and two branch pipes of the three-way pipeline 10 are provided with electric valves 11.
When this embodiment uses, earlier advance dirty mouthful with pipe connection to in the fluid matter pollutant to guarantee that the pipeline immerses completely, then start vacuum pumping device, store up the gas in dirty pipe 2 and take out from the gas vent, make and store up the interior negative pressure state of dirty pipe 2, under the effect of outside atmospheric pressure, the fluid matter pollutant is inhaled from advancing dirty mouthful. Along with the increase of the fluid pollutant in the sewage storage pipe 2, the fluid pollutant enters the control pipe 3 through the communicating pipe 5, the buoy type liquid level sensor 6 also rises along with the fluid pollutant, signals the external control cabinet after reaching the designated position, the vacuum air exhaust device stops working, and the self-sucking pump 4 is started at the same time. Self priming pump 4 can be taken out the liquid matter pollutant in the sewage storage pipe 2, and along with the reduction of liquid level in the control tube 3, buoy type level sensor 6 falls to the assigned position and receives, and self priming pump 4 stop work, vacuum air exhaust device begins work once more simultaneously, so the circulation operation. In the process, the vacuum air extractor is arranged, so that the self-sucking pump 4 can be operated discontinuously, and the service life of the self-sucking pump 4 is prolonged; the filter screen 7 can filter out large impurities, and the display of the liquid level pipe 8 and the position of the float type liquid level sensor 6 are prevented from being influenced; the check valve 9 and the electric valve 11 are respectively used for preventing the backflow of liquid and gas and ensuring the normal operation of sewage pumping.
The collecting bin can simultaneously extract two groups of different fluid pollutants (domestic sewage and oily sewage), and the negative pressure vacuum matched self-sucking pump 4 is adopted to realize the sewage pumping operation with large suction stroke and high vertical fall.
As the preferred scheme of this embodiment, the shock-absorbing component includes shock pad 12, abatvoix 13, shock-absorbing layer board 14 and a plurality of spring isolator 15, and shock pad 12, abatvoix 13 and shock-absorbing layer board 14 set gradually in the below of mount table 1 from top to bottom, and each spring isolator 15 equipartition is in the below of shock-absorbing layer board 14.
In this scheme, shock pad 12 cooperation spring isolator 15 can reduce the dirty operation vibration of taking out, through abatvoix 13 noise reduction transmission, alleviates vibration, noise pollution when this collection storehouse moves, improves the operation environment.
Wherein, the shock pad 12 is a rubber pad. Adopt the rubber pad as shock attenuation measure, have with low costs, effectual advantage of shock attenuation.
The vacuum air extraction device comprises a liquid storage pipe 16, a water return pipe 17, a water outlet 18 and a vacuum pump 19, wherein the liquid storage pipe 16 is vertically arranged on the mounting platform 1, the upper end and the lower end of the liquid storage pipe 16 are respectively provided with a steam-water separator 20 and a water inlet 21, the water return pipe 17 and the water outlet 18 are respectively arranged at the top and the bottom of the liquid storage pipe 16, the water return pipe 17 is of a three-way structure, a first passage of the three-way structure is connected with a water injection port 23, a second passage of the three-way structure is connected with an exhaust pipe 24, a third passage of the three-way structure is connected with the steam-water separator 20, a ball valve 22 is arranged between the first passage and the water injection port 23, a display pipe 25 is connected between the third passage and the water outlet 18, the vacuum pump 19 is.
In this scheme, consider that liquid storage pipe 16 does not have liquid when initial, vacuum pump 19 can't form airtight space, and accessible water filling port 23 annotates liquid for this reason, annotates and closes ball valve 22 after the liquid operation is accomplished, and vacuum pump 19 operates, and moisture in the catch water 20 can be drained after straining in the air, forms the circulation through wet return 17 and makes and keep the liquid that has certain stock in the liquid storage pipe 16 to make vacuum pump 19 can form airtight space, guarantee the air exhaust effect.
Wherein, the water injection port 23 is a funnel structure, and the opening thereof is arranged upward. In order to facilitate the liquid injection operation of workers.
Wherein, the upper end of the control tube 3 is provided with a wiring outlet, and the inside of the control tube is also provided with a limit block 26 for limiting the floating position of the buoy type liquid level sensor 6.
In this scheme, the design of wiring export makes things convenient for buoy type level sensor 6 electricity to connect external switch board, and stopper 26 can restrict buoy type level sensor 6's stroke, guarantees opening of self priming pump 4 and stops going on smoothly.
Wherein, the buoy of the buoy type liquid level sensor 6 is of a hollow structure. To increase the buoyancy of the float-type level sensor 6.
Wherein, the liquid level tube 8 and the display tube 25 are transparent tubes with scales.
In this scheme, the hyaline tube of taking the scale makes things convenient for the interior liquid level condition of staff real-time observation pipe.
Wherein, the filter screen 7 is made of corrosion-resistant metal, and the filter screen 7 is positioned at one side of the liquid level pipe 8, which is close to the sewage storage pipe 2.
In this scheme, the filter screen 7 that adopts corrosion resistant metal to make is strong in structure, longe-lived, and the filter screen 7 of this position can prevent to influence the liquid level pipe 8 and show and the 6 positions of buoy type level sensor with big impurity filtering.
Example 2
Specifically, example 1 differs from example 2 in that: the mounting table 1 is also provided with an air cooling device 27, and the air direction of the air cooling device 27 faces the self-sucking pump 4.
In this embodiment, air cooling device 27 can carry out the forced air cooling to self priming pump 4 through setting up air cooling device 27 for fan, blower etc. can provide the device of stabilizing the cold wind source to avoid the damage that long-term operation in-process high temperature led to the fact self priming pump 4, prolong its life.
The present invention is not limited to the above-described embodiments, and various modifications made without inventive step from the above-described concept will fall within the scope of the present invention for those skilled in the art.
Claims (10)
1. An integrated ship fluid pollutant collecting bin comprises an installation platform (1), and is characterized in that a damping assembly is arranged below the installation platform (1), and a vacuum air exhaust device and two pollutant storage assemblies are arranged above the damping assembly;
the sewage storage assembly comprises a sewage storage pipe (2), a control pipe (3) and a self-sucking pump (4), the sewage storage pipe (2) and the control pipe (3) are vertically arranged on an installation platform (1) at intervals, a communicating pipe (5) is arranged between the top and the bottom of the sewage storage pipe and the control pipe, an exhaust port (201) is arranged at the upper end of the sewage storage pipe (2), a sewage inlet (202) and a sewage outlet (203) are arranged in the middle of the sewage storage pipe, a buoy type liquid level sensor (6) connected with an external control cabinet is arranged in the control pipe (3), a filter screen (7) is arranged in the communicating pipe (5), a liquid level pipe (8) is connected between the two communicating pipes (5), and the self-sucking pump (4) is arranged on the installation platform (1) and is connected with the sewage outlet (203) through a;
the vacuum air pumping device is connected with two exhaust ports (201) through a three-way pipeline (10), and two branch pipes of the three-way pipeline (10) are provided with electric valves (11).
2. The integrated marine fluid pollutant collecting bin according to claim 1, wherein the shock absorption assembly comprises a shock absorption pad (12), a sound absorption plate (13), a shock absorption supporting plate (14) and a plurality of spring vibration isolators (15), the shock absorption pad (12), the sound absorption plate (13) and the shock absorption supporting plate (14) are sequentially arranged below the mounting table (1) from top to bottom, and the spring vibration isolators (15) are uniformly distributed below the shock absorption supporting plate (14).
3. The integrated marine fluid contaminant collection bin of claim 2, wherein the shock absorbing pad (12) is a rubber pad.
4. The integrated ship fluid pollutant collecting bin according to claim 1, wherein the vacuum air extracting device comprises a liquid storage pipe (16), a water return pipe (17), a water outlet (18) and a vacuum pump (19), the liquid storage pipe (16) is vertically arranged on the mounting platform (1), a steam-water separator (20) and a water inlet (21) are respectively arranged at the upper end and the lower end of the liquid storage pipe, the water return pipe (17) and the water outlet (18) are respectively arranged at the top and the bottom of the liquid storage pipe (16), the water return pipe (17) is of a three-way structure, a first passage of the water return pipe is connected with a water filling port (23), a second passage of the water return pipe is connected with an exhaust pipe (24), a third passage of the water return pipe is connected with the steam-water separator (20), a ball valve (22) is arranged between the first passage and the water filling port (23), a display pipe (25) is connected between the third passage and the water outlet (18), and, two ends of the vacuum pump (19) are respectively connected with the water inlet (21) and the main pipe of the three-way pipeline (10), and the air nozzle of the vacuum pump (19) is connected with the air outlet (201).
5. The integrated marine fluid contaminant collecting tank according to claim 4, wherein the water injection port (23) has a funnel structure with an opening facing upward.
6. The integrated marine liquid pollutant collecting bin according to claim 1, wherein the control pipe (3) is provided with a wiring outlet (301) at the upper end, and a limiting block (26) for limiting the floating position of the buoy type liquid level sensor (6) is further arranged inside the control pipe.
7. The integrated marine fluid contaminant collecting tank according to claim 6, wherein the float of the float-type liquid level sensor (6) has a hollow structure.
8. The integrated marine liquid pollutant collecting bin as set forth in claim 4, characterized in that the liquid level pipe (8) and the display pipe (25) are transparent pipes with scales.
9. The integrated marine liquid pollutant collecting bin according to claim 8, wherein the filter screen (7) is made of corrosion-resistant metal, and the filter screen (7) is positioned on the side of the liquid level pipe (8) close to the pollutant storage pipe (2).
10. The integrated marine liquid pollutant collecting bin according to any one of claims 1-9, wherein an air cooling device (27) is further arranged on the mounting platform (1), and the air cooling device (27) is oriented towards the self-sucking pump (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010712051.2A CN111828330A (en) | 2020-07-22 | 2020-07-22 | Integrated ship fluid pollutant collecting bin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010712051.2A CN111828330A (en) | 2020-07-22 | 2020-07-22 | Integrated ship fluid pollutant collecting bin |
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CN111828330A true CN111828330A (en) | 2020-10-27 |
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CN202010712051.2A Pending CN111828330A (en) | 2020-07-22 | 2020-07-22 | Integrated ship fluid pollutant collecting bin |
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH548542A (en) * | 1971-10-02 | 1974-04-30 | Volland Georg | SELF-PRIMING CENTRIFUGAL PUMP. |
AU1396592A (en) * | 1991-04-08 | 1992-10-15 | Thompsons Kelly & Lewis Limited | Solids handling self priming pumps |
CN101266166A (en) * | 2008-04-01 | 2008-09-17 | 北京光电技术研究所 | Liquid level measuring device |
CN101871453A (en) * | 2009-04-23 | 2010-10-27 | 孙中旭 | Oil-sealed rotary-vane vacuum pump for vacuumization |
CN102399682A (en) * | 2010-09-10 | 2012-04-04 | 辽宁北方环境保护有限公司 | Integral positive/negative pressure protector |
CN102561488A (en) * | 2012-01-12 | 2012-07-11 | 深圳市绿恒科技有限公司 | Vacuum pollutant discharging device |
CN103134564A (en) * | 2013-01-30 | 2013-06-05 | 北京七星华创电子股份有限公司 | Liquid level measurement device |
CN103559980A (en) * | 2013-11-15 | 2014-02-05 | 宋红庆 | Comprehensive transformer protection device and system |
CN104014154A (en) * | 2014-06-10 | 2014-09-03 | 景立秋 | Internal reflux device adopting rectification technology |
CN206015807U (en) * | 2016-08-26 | 2017-03-15 | 福州仁量生物制品有限公司 | A kind of sewage negative pressure tapping equipment |
CN107725382A (en) * | 2017-11-09 | 2018-02-23 | 新疆巨盛龙环保设备有限公司 | A kind of vacuum pollutant discharging device |
CN109455894A (en) * | 2018-12-29 | 2019-03-12 | 徐曼 | Rural toilet septic tank liquid manure and peasant household's sewage negative pressure collection system |
-
2020
- 2020-07-22 CN CN202010712051.2A patent/CN111828330A/en active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH548542A (en) * | 1971-10-02 | 1974-04-30 | Volland Georg | SELF-PRIMING CENTRIFUGAL PUMP. |
AU1396592A (en) * | 1991-04-08 | 1992-10-15 | Thompsons Kelly & Lewis Limited | Solids handling self priming pumps |
CN101266166A (en) * | 2008-04-01 | 2008-09-17 | 北京光电技术研究所 | Liquid level measuring device |
CN101871453A (en) * | 2009-04-23 | 2010-10-27 | 孙中旭 | Oil-sealed rotary-vane vacuum pump for vacuumization |
CN102399682A (en) * | 2010-09-10 | 2012-04-04 | 辽宁北方环境保护有限公司 | Integral positive/negative pressure protector |
CN102561488A (en) * | 2012-01-12 | 2012-07-11 | 深圳市绿恒科技有限公司 | Vacuum pollutant discharging device |
CN103134564A (en) * | 2013-01-30 | 2013-06-05 | 北京七星华创电子股份有限公司 | Liquid level measurement device |
CN103559980A (en) * | 2013-11-15 | 2014-02-05 | 宋红庆 | Comprehensive transformer protection device and system |
CN104014154A (en) * | 2014-06-10 | 2014-09-03 | 景立秋 | Internal reflux device adopting rectification technology |
CN206015807U (en) * | 2016-08-26 | 2017-03-15 | 福州仁量生物制品有限公司 | A kind of sewage negative pressure tapping equipment |
CN107725382A (en) * | 2017-11-09 | 2018-02-23 | 新疆巨盛龙环保设备有限公司 | A kind of vacuum pollutant discharging device |
CN109455894A (en) * | 2018-12-29 | 2019-03-12 | 徐曼 | Rural toilet septic tank liquid manure and peasant household's sewage negative pressure collection system |
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Application publication date: 20201027 |
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