CN114182798B - Closed air return method for vacuum system exhaust - Google Patents
Closed air return method for vacuum system exhaust Download PDFInfo
- Publication number
- CN114182798B CN114182798B CN202111321954.9A CN202111321954A CN114182798B CN 114182798 B CN114182798 B CN 114182798B CN 202111321954 A CN202111321954 A CN 202111321954A CN 114182798 B CN114182798 B CN 114182798B
- Authority
- CN
- China
- Prior art keywords
- bottom valve
- generating device
- outlet
- vacuum
- vacuum generating
- Prior art date
- 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.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
- E03D11/06—Bowls with downwardly-extending flanges for the sake of flushing
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/13—Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
- E03D9/04—Special arrangement or operation of ventilating devices
- E03D9/05—Special arrangement or operation of ventilating devices ventilating the bowl
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Epidemiology (AREA)
- Sewage (AREA)
Abstract
The invention provides an air exhausting and sealing type air returning method for a vacuum system, which comprises a dirt collector, a vacuum generating device, a transition tank and a dirt box, wherein the transition tank is arranged on the dirt box, and the dirt collector is connected with the transition tank through a first pipeline. The air extracted by the vacuum generating device is introduced into the sewage box through the air return outlet, so that the problem that the odor is discharged into the air to pollute the environment in the prior art is solved. And when the bottom valve is used as the bottom valve, the back-flowing odor blows to the bottom valve, the odor and the negative pressure enable the bottom valve to be quickly closed, the response speed is improved, and after the bottom valve is closed, the odor continues to blow, so that the air tightness of the closed bottom valve is ensured.
Description
Technical Field
The invention relates to the technical field of vacuum sewage systems, in particular to an exhaust closed type air return method for a vacuum system.
Background
The vacuum sewage disposal system sucks dirt in the toilet bowl in an air suction mode through air pressure difference generated by the toilet flushing system so as to achieve the purpose of reducing the use of toilet flushing water. Comprises a toilet combination, a vacuum sewage disposal workstation and a sewage tank which are connected in sequence. The system needs to maintain pressure for a long time to ensure the vacuum degree in the system, wherein the toilet combination comprises a plurality of toilets, each toilet comprises a vacuum blowoff valve, the vacuum blowoff valve is high in price, and the blowoff system has more parts, huge volume and complex system, and is not suitable for household use.
The utility model discloses a modularized portable micro-vacuum sanitary washing system, which belongs to the technical field of epidemic prevention and belongs to the Chinese patent application number CN201922152763.9, which is named as a modularized portable micro-vacuum sanitary washing system. The system comprises a micro-vacuum module and a squatting position module, wherein a pressure tank, a vacuum pump and a sewage collecting tank are arranged in a cabinet body of the micro-vacuum module, an air inlet of the pressure tank is connected with the vacuum pump, an air outlet of the pressure tank is connected with the sewage collecting tank through an air circuit electromagnetic valve, a squatting pan is arranged on a box body of the squatting position module, a second toilet water outlet interface, a second sewage collecting interface, a waste water interface and a second toilet water outlet interface are arranged at one end of the squatting position module, and a first toilet water outlet interface and a second toilet water outlet interface of the micro-vacuum module and the squatting position module are respectively communicated through flexible pipes. The system has the advantages of simple structure, convenient assembly and disassembly, convenient unfolding, withdrawing and transportation, toilet and shower functions, convenient excrement collection due to micro-vacuum negative pressure suction, and water saving. The patent is provided with a vacuum pump for generating vacuum, a pressure tank for maintaining pressure, and the patent has a complex structure and a huge volume.
The patent of the invention is a suction and sewage discharging method and a device for on-line air draft-on-site gravity sewage discharging, which are named as CN20201395303. X, and comprises a container connected with a sewage discharging outlet of a toilet, wherein the bottom of the container is provided with a normally closed sewage discharging outlet which can be opened by the gravity of waste water generated by one-time defecation, the sewage discharging outlet is connected with a waste water storage tank which is arranged on site, the top of the container is provided with an air draft combination, and negative pressure can be formed in the container by opening the air draft combination for a short time, so that the waste water in the toilet can be driven to be discharged to the waste water storage tank through the container. The patent sets a normally closed gravity dirt remover which is opened by the gravity of the dirt after the dirt is sucked into the container and the dirt is discharged. The disadvantage of this patent lies in, when the combination of pulling out wind is in the evacuation, the foul smell in container and the pipeline is discharged outdoors through the gas outlet of combination of pulling out wind, pollutes the environment, especially when domestic, and the foul smell is discharged around the house, influences air quality, brings inconvenience for the life. The gravity dirt-discharging device is normally closed, so that the gravity dirt-discharging device can be opened under the action of gravity of dirt, the included angle between the gravity dirt-discharging device and the outlet of the container is not too large, the too small included angle is not beneficial to discharging the dirt, the dirt is not discharged cleanly, particularly, certain dirt with larger volume, such as rag, paper towel and the like, cannot be discharged to cause blockage because of the insufficient opening angle of the gravity dirt-discharging device. If dirt exists in the feed inlet and the container, the dirt can be sucked into the air-draft combination when the air-draft combination is vacuumized, and the performance of the air-draft combination is affected.
Disclosure of Invention
The invention aims to solve the technical problem of providing an exhaust closed type air return method for a vacuum system, which can recycle and utilize odor in the vacuum sewage system, aiming at the defects in the prior art.
The above object of the present invention is achieved by the following technical solutions:
the vacuum system comprises a dirt collector, a vacuum generating device, a transition tank and a dirt box, wherein the transition tank is arranged on the dirt box, the dirt collector is connected with the transition tank through a first pipeline, a return air outlet is arranged in the dirt box, the return air outlet is communicated with the vacuum generating device, and the vacuum generating device is communicated with the transition tank, and when the vacuum generating device is vacuumized, extracted gas flows back into the dirt box through the return air outlet to form the vacuum pumping and exhausting closed return air method.
The sewage collector, the vacuum generating device, the transition tank and the sewage box in the vacuum system form a communicated system, sewage is collected by the sewage collector, the vacuum generating device vacuumizes the system to form negative pressure, the negative pressure can damage the water seal of the sewage collector when reaching a certain value, the sewage in the sewage collector is sucked, the sewage enters the transition tank through a pipeline, the vacuum generating device stops vacuuming, the sewage gravity and the bottom valve gravity enable the bottom valve to be opened, and the sewage is discharged into the sewage box. In order to enable dirt to smoothly fall into the dirt box through the pipeline and not stay in the pipeline, a transition tank is arranged and is used for forming vacuum, if the transition tank is not arranged, the dirt occupies the pipeline, and the vacuum generating device cannot form vacuum in the pipeline and cannot form vacuum.
When the vacuum generating device is vacuumized, the extracted gas flows back into the sewage box, so that the odor extracted by vacuumizing does not flow into the outside air, and the odor flowing into the sewage box is filtered by the filter and then discharged outdoors, thereby avoiding environmental pollution.
Further, the backflow of the extracted gas into the sewage tank through the gas return outlet means that the gas extracted from the sewage tank, the first pipeline and the transition tank flows back into the sewage tank through the gas return outlet.
Further, the air return outlet is communicated with the vacuum generating device through a second pipeline, and air extracted by the vacuum generating device flows back to the sewage tank through the second pipeline and the air return outlet.
Further, the vacuum generating device is communicated with the transition tank through a pipeline III, and gas flows into the sewage tank through the transition tank, the pipeline III, the vacuum generating device and the return air outlet in sequence.
Further, the vacuum generating device is directly communicated with the transition tank, and gas flows into the sewage tank through the transition tank, the vacuum generating device and the return air outlet in sequence.
The vacuum generating device and the transition tank can be integrated, and can also be communicated through a pipeline III. When the vacuum system is installed, the transition tank, the sewage tank and the vacuum generating device can be integrally installed, the occupied space is reduced, but the vacuum system is sometimes influenced by environment, such as winter in north of China, the air temperature is low and reaches minus tens of degrees, at the moment, the vacuum generating device and the transition tank can be connected in a split type, the underground temperature is higher, the transition tank and the sewage tank are buried underground integrally, the vacuum generating device is installed on the ground, and the transition tank and the vacuum generating device are connected through a pipeline.
Further, the bottom of transition jar is provided with the export, and the exit installs the bottom valve and closes the export, the bottom valve is normally closed bottom valve, and the gas that flows back to in the dirty case blows to the bottom valve through the return air export, guarantees the leakproofness of bottom valve. Solves the problem of air inlet of the bottom valve.
Further, an outlet is formed in the bottom of the transition tank, a bottom valve is arranged at the outlet, the bottom valve is a normally open bottom valve, when the vacuum generating device vacuumizes, negative pressure enables the bottom valve to seal the outlet, and gas flowing back into the sewage tank is blown to the closing direction of the bottom valve through the return air outlet, so that the bottom valve is assisted to be closed rapidly.
When the bottom valve is arranged at the bottom of the transition tank, the negative pressure enables the outlet to be closed, and the backflow odor blows the bottom valve, so that the bottom valve is smoothly closed and rapidly closed, and the response speed is improved.
Further, the negative pressure causes the bottom valve to seal the outlet, which means that when the vacuum generating device draws vacuum, the negative pressure causes the bottom valve to rotate towards the outlet to seal the outlet.
Further, after the bottom valve is closed, the gas continuously blows the bottom valve through the return air outlet, so that the tightness of the bottom valve is ensured.
Further, the vacuum generating device stops vacuumizing, the return air outlet stops blowing air to the bottom valve, the bottom valve is opened, and dirt rapidly drops into the dirt box. The method has linkage, after the vacuum generating device is opened, the return air outlet blows air to the bottom valve at the same time, and after the vacuum generating device is closed, the return air outlet stops blowing air to the bottom valve, and the bottom valve is opened. The above actions are all performed sequentially, and the controller is not required to control the execution sequence of the actions.
The invention has the following beneficial effects:
According to the air-exhausting closed type air-returning method for the vacuum system, air extracted by the vacuum generating device is led into the sewage box through the pipeline, so that the problem that the odor is exhausted into the air to pollute the environment in the prior art is solved. Further, the back flow odor is blown to the bottom valve, when the bottom valve is the bottom valve in the prior art, the odor is blown to the bottom valve, so that the bottom valve is closed more tightly, the air tightness is ensured, the air intake is prevented when the vacuum is pumped, when the bottom valve is the normally open bottom valve, the back flow odor is blown to the bottom valve, the odor and the negative pressure enable the bottom valve to be closed rapidly, the response speed is improved, after the bottom valve is closed, the odor is continuously blown, the air tightness of the closed bottom valve is ensured, and the recycling is realized by using the odor to blow the bottom valve.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic diagram of the vacuum system of example 1.
FIG. 2 is a schematic diagram of the vacuum system of example 2.
FIG. 3A schematic diagram of the embodiment 3 vacuum system.
FIG. 4 is a schematic diagram of the vacuum system of example 4.
The sewage treatment device comprises a sewage collector 1, a vacuum generating device 2, a transition tank 3, a sewage box 4, a pipeline one, a pipeline two 6, a pipeline three, a bottom valve 8 and a return air outlet 9.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Example 1
The vacuum system comprises a dirt collector 1, a vacuum generating device 2, a transition tank 3 and a dirt box 4, wherein the transition tank 3 is arranged on the dirt box 4, the dirt collector 1 is connected with the transition tank 3 through a first pipeline 5, a return air outlet 9 is arranged in the dirt box 4, the return air outlet 9 is communicated with the vacuum generating device 2, the vacuum generating device 2 is communicated with the transition tank 3, and when the vacuum generating device 2 is vacuumized, the extracted gas flows back into the dirt box 4 through the return air outlet 9 to form the vacuum exhaust closed return air method.
The return air outlet 9 is communicated with the vacuum generating device 2 through a pipeline II 6, and the gas extracted by the vacuum generating device 2 flows back to the sewage tank 4 through the pipeline II 6 and the return air outlet 9.
The vacuum generating device 2 is communicated with the transition tank 3 through a pipeline III 7, and gas flows into the sewage tank 4 through the transition tank 3, the pipeline III 7, the vacuum generating device 2 and the return air outlet 9 in sequence.
The sewage collector 1, the pipeline 5, the vacuum generating device 2, the transition tank 3, the return air outlet 9 and the sewage tank 4 in the vacuum system form a communicated system, sewage is collected by the sewage collector 1, the vacuum generating device 2 vacuumizes the system to form negative pressure, the water seal of the sewage collector 1 is destroyed when the negative pressure reaches a certain value, sewage in the sewage collector 1 is sucked in, the sewage enters the transition tank 3 through the pipeline 5, the vacuum generating device 2 stops vacuuming, the bottom valve 8 is opened under the gravity action of the sewage and the bottom valve, and the sewage is discharged into the sewage tank 4.
The second pipeline 6 returns the extracted gas to the sewage tank 4, so that the odor extracted by vacuumizing does not flow into the outside air, and the odor flowing into the sewage tank 4 is filtered by the filter and then discharged outdoors, thereby avoiding environmental pollution.
Example 2
The vacuum system comprises a dirt collector 1, a vacuum generating device 2, a transition tank 3 and a dirt box 4, wherein the transition tank 3 is arranged on the dirt box 4, the dirt collector 1 is connected with the transition tank 3 through a first pipeline 5, a return air outlet 9 is arranged in the dirt box 4, the return air outlet 9 is communicated with the vacuum generating device 2, the vacuum generating device 2 is communicated with the transition tank 3, and when the vacuum generating device 2 is vacuumized, the extracted gas flows back into the dirt box 4 through the return air outlet 9 to form the vacuum exhaust closed return air method.
The return air outlet 9 is communicated with the vacuum generating device 2 through a pipeline II 6, and the gas extracted by the vacuum generating device 2 flows back to the sewage tank 4 through the pipeline II 6 and the return air outlet 9.
The vacuum generating device 2 is communicated with the transition tank 3 through a pipeline III 7, and gas flows into the sewage tank 4 through the transition tank 3, the pipeline III 7, the vacuum generating device 2 and the return air outlet 9 in sequence.
The bottom of transition jar 3 is provided with the export, and the exit installs bottom valve 8 and closes the export, bottom valve 8 is normally closed bottom valve, and the gas that flows back to in the dirty case 4 blows to bottom valve 8 through return air outlet 9, guarantees the leakproofness of bottom valve 8.
The bottom valve 8 in this embodiment is a normally closed bottom valve, and may not be tightly pressed when the bottom valve is in a closed state, and the embodiment uses the vacuumized odor, and the vacuumized odor blows air to the bottom valve 8 through the air return outlet 9 by the second pipeline 6, so that the bottom valve 8 is tightly pressed, and the air tightness is ensured. The method of the embodiment not only can realize the backflow of the odor to avoid air pollution, but also can utilize the odor auxiliary bottom valve 8 to compress.
Example 3
The vacuum system comprises a dirt collector 1, a vacuum generating device 2, a transition tank 3 and a dirt box 4, wherein the transition tank 3 is arranged on the dirt box 4, the dirt collector 1 is connected with the transition tank 3 through a first pipeline 5, a return air outlet 9 is arranged in the dirt box 4, the return air outlet 9 is communicated with the vacuum generating device 2, the vacuum generating device 2 is communicated with the transition tank 3, and when the vacuum generating device 2 is vacuumized, the extracted gas flows back into the dirt box 4 through the return air outlet 9 to form the vacuum exhaust closed return air method.
The return air outlet 9 is communicated with the vacuum generating device 2 through a pipeline II 6, and the gas extracted by the vacuum generating device 2 flows back to the sewage tank 4 through the pipeline II 6 and the return air outlet 9.
The vacuum generating device 2 is communicated with the transition tank 3 through a pipeline III 7, and gas flows into the sewage tank 4 through the transition tank 3, the pipeline III 7, the vacuum generating device 2 and the return air outlet 9 in sequence.
The bottom of the transition tank 3 is provided with an outlet, a bottom valve 8 is arranged at the outlet, the bottom valve 8 is a normally open bottom valve, when the vacuum generating device 2 is vacuumized, negative pressure enables the bottom valve 8 to seal the outlet, and gas flowing back into the sewage tank 4 is blown to the closing direction of the bottom valve 8 through a return air outlet 9, so that the auxiliary bottom valve 8 is quickly closed.
The negative pressure causes the bottom valve 8 to close the outlet, which means that when the vacuum generating device 2 draws vacuum, the negative pressure causes the bottom valve 8 to rotate in the outlet direction to close the outlet.
After the bottom valve 8 is closed, the gas continuously blows the bottom valve 8 through the air return pipeline 9, so that the tightness of the bottom valve 8 is ensured.
The vacuum generating device 2 stops vacuumizing, the air return outlet 9 stops blowing air to the bottom valve 8, the bottom valve 8 is opened, and dirt quickly falls into the dirt box 4 and 8.
The bottom valve 8 in this embodiment is a normally open bottom valve, when the vacuum generating device 2 vacuumizes the system, the bottom valve 8 is closed under the action of negative pressure, and meanwhile, the odor exhausted by vacuumizing is blown to the bottom valve 8 through the return air outlet 9 to form thrust, so that the auxiliary bottom valve 8 is closed, the bottom valve 8 is closed rapidly, and the response speed is improved. When the negative pressure breaks the water seal, the dirt is sucked away under the action of the negative pressure, the dirt reaches the bottom valve 8 through the first pipeline 5 and the transition tank 3, the vacuum generating device 2 stops vacuumizing, the air return outlet 9 stops blowing, the bottom valve 8 is crashed open by the gravity of the dirt, and the dirt is discharged into the dirt box 4. The method of the embodiment has linkage, after the vacuum generating device 2 is opened, the bottom valve 8 is closed, the air return outlet 9 blows air to the bottom valve 8, after the vacuum generating device 2 is closed, the air return outlet 9 stops blowing air to the bottom valve 8, and the bottom valve 8 is opened. The above actions are all performed sequentially, and the controller is not required to control the execution sequence of the actions.
Example 4
The vacuum system comprises a dirt collector 1, a vacuum generating device 2, a transition tank 3 and a dirt box 4, wherein the transition tank 3 is arranged on the dirt box 4, the dirt collector 1 is connected with the transition tank 3 through a first pipeline 5, a return air outlet 9 is arranged in the dirt box 4, the return air outlet 9 is communicated with the vacuum generating device 2, the vacuum generating device 2 is communicated with the transition tank 3, and when the vacuum generating device 2 is vacuumized, the extracted gas flows back into the dirt box 4 through the return air outlet 9 to form the vacuum exhaust closed return air method.
The vacuum generating device 2 is directly communicated with the transition tank 3, and gas flows into the sewage tank 4 through the transition tank 3, the vacuum generating device 2 and the return air outlet 9 in sequence.
The vacuum generating device 2 is communicated with the transition tank 3 through a pipeline III 7, and gas flows into the sewage tank 4 through the transition tank 3, the pipeline III 7, the vacuum generating device 2 and the return air outlet 9 in sequence.
The bottom of the transition tank 3 is provided with an outlet, a bottom valve 8 is arranged at the outlet, the bottom valve 8 is a normally open bottom valve, when the vacuum generating device 2 is vacuumized, negative pressure enables the bottom valve 8 to seal the outlet, and gas flowing back into the sewage tank 4 is blown to the closing direction of the bottom valve 8 through a return air outlet 9, so that the auxiliary bottom valve 8 is quickly closed.
The negative pressure causes the bottom valve 8 to close the outlet, which means that when the vacuum generating device 2 draws vacuum, the negative pressure causes the bottom valve 8 to rotate in the outlet direction to close the outlet.
After the bottom valve 8 is closed, the gas continuously blows the bottom valve 8 through the air return pipeline 9, so that the tightness of the bottom valve 8 is ensured.
The vacuum generating device 2 stops vacuumizing, the air return outlet 9 stops blowing air to the bottom valve 8, the bottom valve 8 is opened, and dirt quickly falls into the dirt box 4.
The vacuum generating device 2 and the transition tank 3 of this embodiment are directly communicated, the vacuum generating device 2, the transition tank 3 and the sewage tank 4 are integrated, gas flows into the sewage tank 4 through the transition tank 3, the vacuum generating device 2, the pipeline II 6 and the air return outlet 9 in sequence, the path of the vacuum generating device 2 for absorbing the gas is shortened, and the response speed of the system is improved.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111321954.9A CN114182798B (en) | 2021-11-09 | 2021-11-09 | Closed air return method for vacuum system exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111321954.9A CN114182798B (en) | 2021-11-09 | 2021-11-09 | Closed air return method for vacuum system exhaust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114182798A CN114182798A (en) | 2022-03-15 |
| CN114182798B true CN114182798B (en) | 2024-12-27 |
Family
ID=80601488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111321954.9A Active CN114182798B (en) | 2021-11-09 | 2021-11-09 | Closed air return method for vacuum system exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114182798B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116575763A (en) * | 2023-05-15 | 2023-08-11 | 无锡金鑫集团股份有限公司 | vacuum toilet unit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5133853A (en) * | 1988-10-05 | 1992-07-28 | Nesite Oy | Sewage system |
| KR20050000186A (en) * | 2003-06-23 | 2005-01-03 | (주) 아이리얼케어 | a pedpan system |
| CN204040147U (en) * | 2014-07-22 | 2014-12-24 | 北京安邦杰科技发展有限公司 | Three grades of shutoff foaming toilet wares |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT401912B (en) * | 1991-01-07 | 1996-12-27 | Stabeg Apparatebau Gmbh | RINSE CLEANER, IN PARTICULAR FOR A VEHICLE |
| KR101514930B1 (en) * | 2014-11-10 | 2015-04-24 | 주식회사 호두 | Auto discharge equipement of vacuum toilet system with high safety |
| CN106988396A (en) * | 2017-04-11 | 2017-07-28 | 广州赛特环保工程有限公司 | Extremely frigid zones vacuum closet dirt-collecting and exhaust system |
| CN211113965U (en) * | 2019-05-22 | 2020-07-28 | 广州普慧环保科技股份有限公司 | Rotary blowing vacuum toilet |
-
2021
- 2021-11-09 CN CN202111321954.9A patent/CN114182798B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5133853A (en) * | 1988-10-05 | 1992-07-28 | Nesite Oy | Sewage system |
| KR20050000186A (en) * | 2003-06-23 | 2005-01-03 | (주) 아이리얼케어 | a pedpan system |
| CN204040147U (en) * | 2014-07-22 | 2014-12-24 | 北京安邦杰科技发展有限公司 | Three grades of shutoff foaming toilet wares |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114182798A (en) | 2022-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205088776U (en) | Man's urine collection device | |
| CN105256866B (en) | A kind of system for packaged type communal bathroom and its use technique | |
| CN205399599U (en) | Vacuum dirt -discharging system | |
| CN114182798B (en) | Closed air return method for vacuum system exhaust | |
| CN111997158A (en) | Water-saving excrement and kitchen waste cooperative vacuum collection system | |
| CN206693343U (en) | Care bed vacuum excrement collector | |
| CN201390260Y (en) | Sewage collecting device | |
| CN114232735B (en) | Fluid conveying device and sewage discharge system based on bottom valve auxiliary closing mechanism | |
| CN210989940U (en) | Odorless pneumatic heating toilet | |
| CN114232750B (en) | Sewage discharge method of cavity suction sewage system | |
| CN106836409A (en) | Care bed vacuum excrement collector | |
| CN210917617U (en) | Novel intelligent efficient water-saving closestool | |
| CN216691167U (en) | Slag discharging and water draining device | |
| CN205259297U (en) | System for be used for between movable public health | |
| CN207971164U (en) | A kind of electric automatization dust-extraction unit | |
| CN108557310A (en) | A kind of environment-protection garbage can | |
| CN211686731U (en) | Smart Waste Sorting Green House | |
| CN114197594B (en) | Normally open bottom valve closing mechanism and cavity suction type vacuum toilet system based on vacuum container | |
| WO2022110702A1 (en) | Online draft-in-place gravity sewage discharging device and method, and suction and blowing-off system and method | |
| CN2602077Y (en) | Environmental protection urinal | |
| CN208742133U (en) | A kind of dedusting piping installation | |
| CN208618485U (en) | A toilet flushing system based on grey water | |
| CN211468440U (en) | Sewage draining system | |
| CN217852750U (en) | Cleaning machine and cleaning system | |
| CN223225023U (en) | Kitchen garbage collection and throwing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |