CN111255036B - Toilet oil seal recycling method - Google Patents
Toilet oil seal recycling method Download PDFInfo
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- CN111255036B CN111255036B CN202010068956.0A CN202010068956A CN111255036B CN 111255036 B CN111255036 B CN 111255036B CN 202010068956 A CN202010068956 A CN 202010068956A CN 111255036 B CN111255036 B CN 111255036B
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- oil
- water
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- oil seal
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- 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
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- 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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
- E03F5/16—Devices for separating oil, water or grease from sewage in drains leading to the main sewer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
Abstract
The invention discloses a toilet oil seal recovery method, which comprises the following steps of: plugging a sewage discharge pipeline connected with the toilet body; step 2: the liquid level of the water seal and the oil seal in the excrement collecting area of the toilet body is forced to rise; the step 3 comprises the following steps: s1: clean water is injected into the outer cylinder, so that the height of the liquid level of the clean water is consistent with that of the water outlet; s2: after the liquid level of the water seal and the oil seal rises, a water-oil mixture enters the outer barrel through the overflow outlet and is temporarily stored in the area between the outer barrel and the inner barrel, water enters the inner barrel from the lower end of the inner barrel and then is discharged from the water outlet to enter a sewage discharge pipeline, and the oil liquid level gradually rises to the position of an oil outlet along with the increase of the oil-water mixture and then enters the oil storage tank from the oil outlet for storage, so that the recovery of the oil seal can be completed; the method is used for recovering the oil seal used in the toilet, can realize the recovery and the reutilization of the oil seal, reduces the loss of the oil seal, and improves the recovery rate of the oil seal.
Description
Technical Field
The invention relates to the technical field of toilet oil seal recycling, in particular to a toilet oil seal recycling method.
Background
The toilet bowl can be divided into a squatting pan or a pedestal pan, and in actual use, a U-shaped structure is generally arranged at a sewage discharge pipeline of the toilet bowl, so that a water seal is formed in a excrement collection area in the toilet bowl, and odor in a sewer can be prevented from flowing back; meanwhile, when the toilet is in use, the excrement can also be coated in the excrement collecting area through the formed water seal, so that the diffusion of the odor of the excrement during the toilet use can be prevented; however, as the water has buoyancy, the excrement can float upwards after entering the water seal, and odor can still be emitted; generally, oil is added into the excrement collecting area, and a layer of oil seal is formed on the water seal, so that excrement firstly contacts with the oil seal when entering water, and the floating excrement can form a grease isolating membrane to prevent the odor of the excrement from emitting.
Can improve like the experience in lavatory through setting up water seal and oil blanket, also can block the diffusion of bacterium, but, wash the stool pot like the lavatory after, will wash the sewer simultaneously together with water and oil, wash and need oiling again after finishing and form new oil blanket, can cause the waste undoubtedly like this.
Therefore, how to realize the recovery of the oil seal in the toilet bowl is a technical problem to be solved.
Disclosure of Invention
The invention aims to provide a toilet oil seal recycling method which is used for recycling an oil seal used in a toilet in the toilet, can realize recycling of the oil seal, reduces loss of the oil seal and improves the recycling rate of the oil seal.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an oil seal recovery device for a toilet comprises an oil-water separation device, an oil storage tank, a U-shaped pipe, a first valve, a connecting pipe, a flushing device, an elastic air bag and a controller, wherein one end of the connecting pipe is connected with the oil-water separation device, the other end of the connecting pipe is used for being connected with an overflow outlet arranged on a toilet body, the first valve is installed on the U-shaped pipe, one end of the U-shaped pipe is used for being connected with the bottom of a feces collection area of the toilet body, the other end of the U-shaped pipe is used for being connected with a sewage discharge pipeline, the flushing device is used for being connected with the toilet body, a water seal is formed in the feces collection area under the action of the U-shaped pipeline after the feces collection area is flushed by the flushing device, sewage separated from the oil-water separation device is introduced into the sewage discharge pipeline through the first pipeline, oil separated from the, the oil pipe is provided with an oil pump, oil in the oil storage tank is sprayed on the water seal in the excrement collecting area under the action of the oil pump to form an oil seal, the elastic air bag is arranged in the excrement collecting area and is positioned below the liquid level of the water seal, the elastic air bag is connected with the air pump through an air pipe, and the air pump, the oil pump, the first valve and the flushing device are all connected with the controller;
the oil-water separation device comprises an inner barrel and an outer barrel, two ends of the inner barrel are open, the inner barrel is arranged in the outer barrel in a hanging mode through a connecting rod, an inlet is formed in the outer barrel and is connected with an overflow outlet through a connecting pipe, a water outlet is formed in the side face of the inner barrel and is communicated with a sewage discharge pipeline through a first pipeline, an oil outlet is formed in the side face of the outer barrel, the oil outlet is higher than the water outlet in position, the oil outlet is communicated with an oil storage tank through a second pipeline, and the distance between the side face of the inner barrel and the side face of the outer barrel is 3-10 mm.
Further optimizing, the distance between the side surface of the inner cylinder and the side surface of the outer cylinder is 5 mm.
Further optimize, be provided with check valve on the first pipeline.
Further optimize, the oil-out has a plurality ofly, a plurality of oil-outs set up the same and all with the oil storage tank intercommunication highly.
Wherein, washing unit includes water tank, water pipe, pressure water pump and sets up the ring pipe in the excrement and urine collecting area, be equipped with a plurality of apopores on the ring pipe, the ring pipe pass through the pipeline with the water tank is connected, pressure water pump connects on the water pipe, pressure water pump with the controller is connected.
The invention is further explained according to the oil seal recycling device for the toilet:
a toilet oil seal recycling method comprises the following steps:
step 1: plugging a sewage discharge pipeline connected with the toilet body;
step 2: the liquid level of the water seal and the oil seal in the excrement collecting area of the toilet body is forced to rise;
and step 3: after the liquid level of the water seal and the oil seal rises, a water-oil mixture enters an oil-water separation device in an overflow mode to be subjected to oil-water separation, sewage separated in the oil-water separation device is introduced into a sewage discharge pipeline, and oil separated in the oil-water separation device is introduced into an oil storage tank to be stored;
the specific process of step 3 is as follows:
s1: clean water is injected into the outer cylinder, so that the height of the liquid level of the clean water is consistent with that of the water outlet;
s2: after the liquid level of the water seal and the oil seal rises, a water-oil mixture enters the outer barrel through the overflow outlet and is temporarily stored in an area between the outer barrel and the inner barrel, water enters the inner barrel from the lower end of the inner barrel and then is discharged from the water outlet to enter the sewage discharge pipeline, and as the oil-water mixture increases, the liquid level of the oil gradually rises to the position of the oil outlet, the oil-water mixture enters the oil storage tank from the oil outlet for storage, so that the recovery of the oil seal can be completed.
In the step 1, the first valve is arranged on the sewage pipeline, and the sewage pipeline is blocked by controlling the opening and closing of the valve.
In step 2, an elastic air bag is arranged in the excrement collecting area of the toilet body and is connected with an air pump, and air is blown into the elastic air bag by controlling the air pump, so that the volume of the elastic air bag is increased, and the liquid level of a water seal and an oil seal in the excrement collecting area is raised.
Compared with the prior art, the invention has the following beneficial effects:
the method is mainly used for recovering the oil seal in the toilet, reduces the loss of the oil seal, avoids waste, and can effectively improve the recovery rate of the oil seal recovery, and the recovery rate can reach 95-98 percent by recovering the oil seal through the method.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the oil seal recovery device for toilets according to the present invention.
FIG. 2 is a schematic view showing the state of the oil seal recovery device for toilet bowl in oil-water separation according to the present invention.
FIG. 3 is a simplified flow diagram of the present invention.
Reference numerals: 1 oil storage tank, 2U type pipe, 3 first valve, 4 connecting pipes, 5 elastic air bags, 6 controllers, 7 toilet bowl bodies, 8 overflow outlets, 9 sewage pipes, 10 excrement collecting areas, 11 water seals, 12 first pipes, 13 second pipes, 14 oil pumps, 15 oil pipes, 16 oil seals, 17 air pipes, 18 inner cylinders, 19 outer cylinders, 20 connecting rods, 21 inlets, 22 water outlets, 23 oil outlets, 24 water tanks, 25 water pipes, 26 pressurized water pumps, 27 annular pipes, 28 one-way valves and 29 electromagnetic valve 30 air pumps.
Detailed Description
The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Example 1
A toilet oil seal recycling method comprises the following steps:
step 1: plugging a sewage discharge pipeline 9 connected with the toilet body 7;
step 2: the liquid level of the water seal 11 and the oil seal 16 in the excrement collecting area 10 of the toilet body 7 is forced to rise;
and step 3: after the liquid levels of the water seal 11 and the oil seal 16 rise, the water-oil mixture enters an oil-water separation device in an overflow mode to be subjected to oil-water separation, sewage separated in the oil-water separation device is introduced into the sewage discharge pipeline 9, and oil separated in the oil-water separation device is introduced into the oil storage tank 1 to be stored.
The method is further explained below with reference to a specific oil seal recovery device for a toilet:
an oil seal recovery device for a toilet comprises an oil-water separation device, an oil storage tank 1, a U-shaped pipe 2, a first valve 3, a connecting pipe 4, a flushing device, an elastic air bag 5 and a controller 6, wherein one end of the connecting pipe 4 is connected with the oil-water separation device, the other end of the connecting pipe is used for being connected with an overflow outlet 8 arranged on a toilet bowl body 7, the first valve 3 is installed on the U-shaped pipe 2, one end of the U-shaped pipe 2 is used for being connected with the bottom of a toilet bowl collecting area 10 of the toilet bowl body 7, the other end of the U-shaped pipe is used for being connected with a sewage discharge pipeline 9, the flushing device is used for being connected with the toilet bowl body 7, a water seal 11 is formed in the toilet bowl collecting area 10 under the action of the U-shaped pipe 2 after the toilet bowl collecting area 10 is flushed by the flushing device, the overflow outlet 8 is arranged at a position higher than the water seal 11, sewage separated from the oil-, the oil storage tank 1 is connected with the toilet body 7 through an oil pipe 15, an oil pump 14 is arranged on the oil pipe 15, oil in the oil storage tank 1 is sprayed on a water seal 11 in the excrement collecting area 10 under the action of the oil pump 14 to form an oil seal 16, the elastic air bag 5 is used for being installed in the excrement collecting area 10 and located below the liquid level of the water seal 11, the elastic air bag 5 is connected with an air pump 30 through an air pipe 17, and the air pump 30, the oil pump 14, the first valve 3 and the flushing device are all connected with the controller 6;
the oil-water separation device comprises an inner cylinder 18 and an outer cylinder 19, two ends of the inner cylinder 18 are open, the inner cylinder 18 is arranged in the outer cylinder 19 in a hanging mode through a connecting rod 20, an inlet 21 is formed in the outer cylinder 19, the inlet 21 is connected with an overflow outlet 8 through a connecting pipe 4, a water outlet 22 is formed in the side face of the inner cylinder 18, the water outlet 22 is communicated with a sewage discharge pipeline 9 through a first pipeline 12, an oil outlet 23 is formed in the side face of the outer cylinder 19, the setting position of the oil outlet 23 is higher than that of the water outlet 22, the oil outlet 23 is communicated with an oil storage tank 1 through a second pipeline 13, and the distance between the side face of the inner cylinder 18 and the side face of the outer.
Further preferably, the distance between the side surface of the inner cylinder 18 and the side surface of the outer cylinder 19 is 5mm, so that the oil level between the inner cylinder 18 and the outer cylinder 19 can be raised more quickly, and oil can be separated as soon as possible.
Wherein, washing unit includes water tank 24, water pipe 25, pressurized water pump 26 and sets up the ring pipe 27 in the region 10 of just collecting, be equipped with a plurality of apopores on the ring pipe 27, ring pipe 27 pass through the pipeline with water tank 24 is connected, pressurized water pump 26 is connected on the water pipe 25, pressurized water pump 26 with controller 6 is connected.
In practical use, clean water is required to be injected into the outer cylinder 19 in advance, so that the liquid level of the clean water is consistent with the height of the water outlet 22.
In actual use, the excrement in the excrement collecting area 10 is washed by the washing device, and a new water seal 11 is formed in the excrement collecting area 10 after the excrement is washed; after the flushing is finished and a new water seal 11 is formed, oil is injected into the excrement collecting area 10 through the action of an oil pump 14, so that a new oil seal 16 is formed in the excrement collecting area 10; due to the oil-water separation device, in actual use, the thickness of the oil seal 16 can be set to be thicker, such as 1cm, or can be set to be thinner, such as 2mm, no matter what the thickness of the set oil seal 16 is, the oil seal 16 can be recovered at a later stage, the recovery rate reaches 95-98%, and a very small amount of oil seal 16 can be adhered to the inner wall of the excrement collecting area 10, so that the oil seal cannot be completely recovered.
Because one end of the inner cylinder 18 is open and the other end is closed, the inner cylinder 18 is suspended in the outer cylinder 19 through the connecting rod 20, the outer cylinder 19 is provided with an inlet 21, the inlet 21 is connected with the overflow outlet 8 through the connecting pipe, the side surface of the inner cylinder 18 is provided with a water outlet 22, the water outlet 22 is communicated with the sewage discharge pipeline 9 through the first pipeline 12, the side surface of the outer cylinder 19 is provided with an oil outlet 23, the position of the oil outlet 23 is higher than that of the water outlet 22, and the oil outlet 23 is communicated with the oil storage tank through the second pipeline 13; thus, due to the arrangement of the U-shaped pipe 2, the liquid level of the water seal 11 cannot be changed, when the oil seal 16 is recovered, the first valve 3 is closed, meanwhile, the air pump 30 is started to introduce quantitative air into the elastic air bag 5, so that the volume of the elastic air bag 5 is increased, the liquid levels of the water seal 11 and the oil seal 16 are further increased, the water-oil mixed solution flows into the area between the outer cylinder 19 and the inner cylinder 18 through the overflow outlet 8, water enters the middle part of the inner cylinder 18 from the area between the outer cylinder 19 and the inner cylinder, along with the increase of the liquid level, the water flows through the first pipeline 12 from the water outlet 22 and then is discharged into the sewage discharge pipeline 9, oil is stored in the area between the outer cylinder 19 and the inner cylinder 18, and along with the increase of the oil amount, when the oil reaches the position of the oil outlet 23, the oil.
After the elastic air bag 5 expands to a set maximum volume, the air pump 30 stops and exhausts the air in the elastic air bag 5, the first valve 3 is opened after the elastic air bag 5 resets, the flushing device is started at the same time, under the action of the pressurized water pump 26, the dirt in the excrement collecting area 10 is flushed, and meanwhile, a new water seal 11 is formed in the excrement collecting area 10; then, the oil pump 14 is started to inject the oil in the oil tank 1 into the excrement collecting area 10 to form a new oil seal 16.
Due to the structures of the outer barrel 19 and the inner barrel 18, the positions of the water outlet 22 and the oil outlet 23 in the oil-water separation device, clean water can enter the outer barrel 19 from the overflow outlet 8 in the washing process, and no influence on oil-water separation can be caused.
In practical use, the controller 6 controls the start and stop of the air pump 30, the oil pump 14, the first valve 3 and the pressurized water pump 26, so as to achieve the purpose of automatically flushing and recovering the oil seal 16 for recycling.
More importantly, the oil seal 16 and the water seal 11 are forced to rise in liquid level by controlling the expansion of the elastic air bag 5, and an oil-water mixture enters the outer barrel 19 for separation, so that water in the excrement collecting area 10 is reduced in the oil-water separation process, and the liquid level in the excrement collecting area 10 is lower after the elastic air bag 5 is reset, so that when the flushing device flushes excrement in the excrement collecting area 10, water flow quickly flushed down can directly impact the excrement, and the excrement can be flushed away, so that the sewage discharge is facilitated; simultaneously, because the interior liquid level of collection just region 10 is lower, also can wash the sticky excrement and urine of adhering to on collection just region 10, reduce the residue of excrement and urine, improve the washing effect.
In practice, a one-way valve 28 is provided on the first conduit 12.
Thus, the one-way valve 28 can prevent the sewage and odor in the sewage discharge pipeline 9 from flowing back; in practical use, the one-way valve 28 may also use a solenoid valve 29, the solenoid valve 29 is connected to the controller 6, and the air pump 30 is synchronously controlled with the solenoid valve 29.
Wherein the content of the first and second substances,
the specific process of step 3 is as follows:
s1: clean water is injected into the outer barrel 19, so that the height of the liquid level of the clean water is consistent with that of the water outlet;
s2: after the liquid levels of the water seal 11 and the oil seal 16 rise, the water-oil mixture enters the outer cylinder 19 through the overflow outlet 8 and is temporarily stored in the area between the outer cylinder 19 and the inner cylinder 18, water enters the inner cylinder 18 from the lower end of the inner cylinder 18 and then is discharged from the water outlet 22 to enter the sewage discharge pipeline 9, the liquid level of the oil gradually rises to the position of the oil outlet 23 along with the increase of the oil-water mixture, and then enters the oil storage tank 1 from the oil outlet 23 for storage, and therefore the recovery of the oil seal 16 can be completed.
In the step 1, the first valve 3 is arranged on the sewage pipeline 9, and the sewage pipeline 9 is blocked by controlling the opening and closing of the valve.
In step 2, an elastic air bag 5 is arranged in the excrement collecting area 10 of the toilet body 7, the elastic air bag 5 is connected with an air pump 30, and air is blown into the elastic air bag 5 by controlling the air pump 30, so that the volume of the elastic air bag 5 is increased, and the liquid level of the water seal 11 and the oil seal 16 in the excrement collecting area 10 is raised.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A toilet oil seal recycling method is characterized by comprising the following steps:
step 1: plugging a sewage discharge pipeline connected with the toilet body;
step 2: the liquid level of the water seal and the oil seal in the excrement collecting area of the toilet body is forced to rise;
and step 3: after the liquid level of the water seal and the oil seal rises, a water-oil mixture enters an oil-water separation device in an overflow mode to be subjected to oil-water separation, sewage separated in the oil-water separation device is introduced into a sewage discharge pipeline, and oil separated in the oil-water separation device is introduced into an oil storage tank to be stored;
in step 3, the structure of the oil-water separation device is as follows:
the oil-water separation device comprises an inner cylinder and an outer cylinder, wherein two ends of the inner cylinder are open, the inner cylinder is arranged in the outer cylinder in a hanging mode through a connecting rod, an inlet is formed in the outer cylinder and is connected with an overflow outlet in the toilet body through a connecting pipe, a water outlet is formed in the side face of the inner cylinder and is communicated with a sewage discharge pipeline, an oil outlet is formed in the side face of the outer cylinder, the oil outlet is higher than the water outlet and is communicated with an oil storage tank, and the distance between the side face of the inner cylinder and the side face of the outer cylinder is 3-;
the specific process of step 3 is as follows:
s1: clean water is injected into the outer cylinder, so that the height of the liquid level of the clean water is consistent with that of the water outlet;
s2: after the liquid level of the water seal and the oil seal rises, a water-oil mixture enters the outer barrel through the overflow outlet and is temporarily stored in an area between the outer barrel and the inner barrel, water enters the inner barrel from the lower end of the inner barrel and then is discharged from the water outlet to enter the sewage discharge pipeline, and as the oil-water mixture increases, the liquid level of the oil gradually rises to the position of the oil outlet, the oil-water mixture enters the oil storage tank from the oil outlet for storage, so that the recovery of the oil seal can be completed.
2. The toilet oil seal recycling method according to claim 1, characterized in that: in the step 1, the first valve is arranged on the sewage pipeline, and the sewage pipeline is blocked by controlling the opening and closing of the valve.
3. The toilet oil seal recycling method according to claim 1, characterized in that: in step 2, an elastic air bag is arranged in the excrement collecting area of the toilet body and is connected with an air pump, and air is blown into the elastic air bag by controlling the air pump, so that the volume of the elastic air bag is increased, and the liquid level of a water seal and an oil seal in the excrement collecting area is raised.
4. The toilet oil seal recycling method according to claim 1, characterized in that: the distance between the side surface of the inner cylinder and the side surface of the outer cylinder is 5 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010068956.0A CN111255036B (en) | 2020-01-21 | 2020-01-21 | Toilet oil seal recycling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010068956.0A CN111255036B (en) | 2020-01-21 | 2020-01-21 | Toilet oil seal recycling method |
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| CN111255036A CN111255036A (en) | 2020-06-09 |
| CN111255036B true CN111255036B (en) | 2020-10-23 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3934275A (en) * | 1971-12-27 | 1976-01-27 | Bishton Jr Norris J | Oil recovery system |
| CN1200160A (en) * | 1995-10-25 | 1998-11-25 | 迪特马尔·L·戈杰斯 | Horizontal-flow oil-sealant preserving drain odor trap |
| US6425411B1 (en) * | 1995-10-25 | 2002-07-30 | Ditmar L. Gorges | Oil sealant-preserving drain odor trap |
| TW200716831A (en) * | 2005-10-31 | 2007-05-01 | Ind Tech Res Inst | Urinal and odor-proof apparatus of the same |
| CN201738426U (en) * | 2010-07-05 | 2011-02-09 | 宣伯民 | Urinal with water surface sealed by floating oil |
| CN102482870A (en) * | 2009-03-12 | 2012-05-30 | 猎鹰无水技术公司 | Anti-siphon trap with snorkel for waterless urinal |
| CN202706178U (en) * | 2012-05-31 | 2013-01-30 | 林艺标 | Urinal with zero drainage function |
| CN205242573U (en) * | 2015-12-25 | 2016-05-18 | 杜庆存 | Full -automatic oil blanket formula closestool |
-
2020
- 2020-01-21 CN CN202010068956.0A patent/CN111255036B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3934275A (en) * | 1971-12-27 | 1976-01-27 | Bishton Jr Norris J | Oil recovery system |
| CN1200160A (en) * | 1995-10-25 | 1998-11-25 | 迪特马尔·L·戈杰斯 | Horizontal-flow oil-sealant preserving drain odor trap |
| US6425411B1 (en) * | 1995-10-25 | 2002-07-30 | Ditmar L. Gorges | Oil sealant-preserving drain odor trap |
| TW200716831A (en) * | 2005-10-31 | 2007-05-01 | Ind Tech Res Inst | Urinal and odor-proof apparatus of the same |
| CN102482870A (en) * | 2009-03-12 | 2012-05-30 | 猎鹰无水技术公司 | Anti-siphon trap with snorkel for waterless urinal |
| CN201738426U (en) * | 2010-07-05 | 2011-02-09 | 宣伯民 | Urinal with water surface sealed by floating oil |
| CN202706178U (en) * | 2012-05-31 | 2013-01-30 | 林艺标 | Urinal with zero drainage function |
| CN205242573U (en) * | 2015-12-25 | 2016-05-18 | 杜庆存 | Full -automatic oil blanket formula closestool |
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| Publication number | Publication date |
|---|---|
| CN111255036A (en) | 2020-06-09 |
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