CN114215793A - Method for draining water by adopting vacuum negative pressure - Google Patents

Method for draining water by adopting vacuum negative pressure Download PDF

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Publication number
CN114215793A
CN114215793A CN202210045323.7A CN202210045323A CN114215793A CN 114215793 A CN114215793 A CN 114215793A CN 202210045323 A CN202210045323 A CN 202210045323A CN 114215793 A CN114215793 A CN 114215793A
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CN
China
Prior art keywords
vacuum
sewage
negative pressure
pipe
control valve
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CN202210045323.7A
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Chinese (zh)
Inventor
姚岳谷
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Taizhou Huanyang Environmental Protection Equipment Engineering Co ltd
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Taizhou Huanyang Environmental Protection Equipment Engineering Co ltd
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Priority to CN202210045323.7A priority Critical patent/CN114215793A/en
Publication of CN114215793A publication Critical patent/CN114215793A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F3/00Pumps using negative pressure acting directly on the liquid to be pumped

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sewage (AREA)

Abstract

The invention is suitable for the technical field of drainage equipment, and provides a method for draining water by adopting vacuum negative pressure, which comprises the following steps: the vacuum negative pressure suction device comprises a water storage tank, a water inlet pipe, a vacuum negative pressure suction device and a discharge pipe, wherein the water storage tank is used for storing sewage to be treated, the water inlet pipe is communicated into the water storage tank, the vacuum negative pressure suction device is arranged on one side of the water storage tank, the discharge pipe is arranged between the vacuum negative pressure suction device and the water storage tank, two ends of the discharge pipe respectively extend into the vacuum negative pressure suction device and the water storage tank, the discharge pipe is used for discharging the sewage to be treated into the water storage tank along the water inlet pipe by opening a first control valve, when the sewage in the water storage tank is stored to a certain amount, a second control valve and a vacuum source are opened, the sewage is pumped into a vacuum bottle along the water outlet pipe, after the sewage in the vacuum bottle is collected to a preset amount, the second control valve is closed, a third control valve is opened, and the vacuum source reversely blows compressed air in the vacuum bottle to extrude the sewage to flow into a sewage collection tank along the sewage.

Description

Method for draining water by adopting vacuum negative pressure
Technical Field
The invention belongs to the technical field of drainage equipment, and particularly relates to a method for draining water by adopting vacuum negative pressure.
Background
The negative pressure drainage system is beneficial to the traditional drainage system and accords with the emerging ecological drainage concept.
Compared with the traditional gravity sewage discharge system, the negative pressure drainage system has the following characteristics:
the pipeline does not need to be laid with a slope, and the application range is wide;
the system has high tightness;
small pipe diameter, shallow burying depth, no sludge, low operation cost and the like.
As a novel drainage system, the negative pressure drainage system has the advantages of great application potential, wide application occasions and superior engineering and technical economy, but on one hand, the negative pressure drainage system is not recognized and accepted by people, and on the other hand, the negative pressure drainage system is restrained by the traditional drainage system, so that the application of the negative pressure drainage system in China is very little, and the system research is not available. There are problems with current drainage systems.
Disclosure of Invention
The invention provides a method for draining water by adopting vacuum negative pressure, which aims to solve the problems in the background technology.
The invention is realized in such a way that a method for draining water by adopting vacuum negative pressure comprises the following steps: the cistern is used for storing pending sewage in it, the oral siphon, its intercommunication to in the cistern, vacuum negative pressure suction device, it set up in one side of cistern, the drain pipe, it set up in vacuum negative pressure suction device with between the cistern, and both ends extend to respectively vacuum negative pressure suction device in the cistern to and, the blow off pipe, its one end intercommunication is fixed in the vacuum negative pressure suction device, and the other end and outside filth collecting pit are linked together.
Preferably, a first control valve, a second control valve and a third control valve are fixedly mounted on the water inlet pipe, the water outlet pipe and the sewage discharge pipe respectively.
Preferably, the drain pipe includes: the vacuum negative pressure suction device comprises a first connecting pipe, a second connecting pipe and a second control valve, wherein the first connecting pipe is communicated to the inside of the water storage tank and is vertically arranged along the side wall of the water storage tank, the second connecting pipe is arranged on one side of the first connecting pipe in a U shape, two ends of the second connecting pipe are parallel to each other, a third connecting pipe and a fourth connecting pipe are respectively communicated and fixed on two ends of the second connecting pipe, the end of the fourth connecting pipe is communicated with the vacuum negative pressure suction device, the end of the third connecting pipe is communicated with the end of the first connecting pipe, and the second control valve is fixedly installed on the third connecting pipe.
Preferably, the vacuum negative pressure suction apparatus includes: a vacuum bottle and a vacuum source disposed on top thereof, the vacuum source having: the vacuum bottle is fixedly installed on the base at the top of the vacuum bottle, a suction tube extending into the vacuum bottle is arranged on the base in a penetrating mode, and a vacuum pump is fixedly installed at the top of the suction tube.
Preferably, the drain pipe penetrates through one end part in the vacuum bottle, extends to the inner bottom wall of the vacuum bottle, and a certain gap is reserved between the drain pipe and the inner bottom wall of the vacuum bottle.
Preferably, the method comprises the following steps:
s100, opening the first control valve, introducing sewage to be treated into the water storage tank,
s200, after the reservoir is filled with sewage to a preset amount, closing the first control valve, opening the second control valve and the vacuum pump, pumping the air pressure in the vacuum bottle through the vacuum pump until the air pressure is reduced to standard atmospheric pressure, pumping the sewage in the reservoir into the vacuum bottle through the drain pipe,
s300, after sewage is pumped into the vacuum bottle, the second control valve is closed, meanwhile, the third control valve is opened, the vacuum pump blows compressed air into the vacuum bottle through the suction pipe, and the compressed sewage in the vacuum bottle is compressed and discharged along the sewage discharge pipe.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a method for draining water by adopting vacuum negative pressure, which comprises the following steps:
through opening first control valve, in following the oral siphon with pending sewage and draining into the cistern, when the sewage storage in the cistern reaches a quantitative, open second control valve and vacuum source, with sewage in following the oral siphon suction to the vacuum flask in, after the sewage collection in the vacuum flask predeterminedly measures, close the second control valve, and open the third control valve, the vacuum source is towards the interior blowback compressed air of vacuum flask, extrude sewage in following the oral siphon and flow into in the filth collecting pond, the completion is to the negative pressure suction operation of sewage.
Contain the U-shaped pipeline structure in the drain pipe, it can guarantee that the phenomenon of backward flow can not appear in the sewage that flows into it to when having guaranteed follow-up negative pressure suction, sewage can flow in towards appointed vacuum flask.
One end of the drain pipe extends into the upper portion of the inner bottom wall of the vacuum bottle, and the vacuum bottle can effectively attract sewage in the vacuum bottle, so that the phenomenon of flow breaking or incomplete drainage can be avoided when the sewage is extracted.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a partial sectional view of a water reservoir of the present invention;
FIG. 3 is a schematic view showing the structure of a drain pipe according to the present invention;
FIG. 4 is a front cross-sectional view of a vacuum bottle of the present invention;
FIG. 5 is a schematic diagram of the steps of the present invention;
in the figure:
1. a reservoir;
2. a water inlet pipe; 21. a first control valve;
3. a vacuum negative pressure suction device; 31. a vacuum bottle; 32. a base; 33. a suction tube; 34. a vacuum pump;
4. a drain pipe; 41. a second control valve; 42. a first connecting pipe; 43. a second connecting pipe; 44. a third connecting pipe; 45. a fourth connecting pipe;
5. a blow-off pipe; 51. and a third control valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1-4, the present invention provides a technical solution,
a method of draining water using vacuum suction, comprising: the sewage treatment device comprises a water storage tank 1, an inlet pipe 2, a vacuum negative pressure suction device 3, a drain pipe 4 and a discharge pipe 5, wherein the water storage tank 1 is used for storing sewage to be treated, the inlet pipe 2 is communicated into the water storage tank 1, the vacuum negative pressure suction device 3 is arranged on one side of the water storage tank 1, the drain pipe 4 is arranged between the vacuum negative pressure suction device 3 and the water storage tank 1, two ends of the drain pipe respectively extend into the vacuum negative pressure suction device 3 and the water storage tank 1, one end of the discharge pipe 5 is communicated and fixed in the vacuum negative pressure suction device 3, and the other end of the discharge pipe is communicated with an external sewage collection tank;
the inlet pipe 2, the outlet pipe 4 and the sewage draining pipe 5 are respectively fixedly provided with a first control valve 21, a second control valve 41 and a third control valve 51.
Specifically, the working principle of the device is as follows: by opening the first control valve 21 on the inlet pipe 2, the sewage to be treated can enter the reservoir 1 along the inlet pipe 2, preferably, in this embodiment, one end of the inlet pipe 2 in the reservoir 1 is slightly lower than the top opening of the reservoir 1, and the purpose is to increase the water demand in the reservoir 1 to the maximum extent, so as to ensure that more sewage can be treated at one time, when the water amount in the reservoir 1 is stored to a certain amount (preferably equal to the accommodation of the vacuum bottle 31), the first control valve 21 is closed to stop the filling of the sewage into the reservoir 1, and at the same time, the second control valve 41 is opened, and the vacuum source on the top of the vacuum bottle 31 is opened, so that the air in the vacuum bottle 31 and the drain pipe 4 is pumped out by the vacuum source, and the air pressure in the vacuum bottle 31 is lower than the external standard atmospheric pressure, so as to form a negative pressure or vacuum environment, in this environment, sewage in the reservoir 1 is pumped into the vacuum bottle 31 along the drainage pipe 4 times to complete the collection and treatment of the sewage, preferably, one end part of the drainage pipe 4 in the reservoir 1 extends to the inner bottom wall of the reservoir 1, and a certain gap is reserved between the drainage pipe and the inner bottom wall of the reservoir 1, which aims to ensure that the whole sewage in the reservoir 1 is pumped on the one hand, and on the other hand, can avoid blockage in the pumping process, when the sewage in the reservoir 1 is pumped, the second control valve 41 is closed, the first control valve 21 is opened, the external sewage is continuously introduced into the reservoir 1, meanwhile, the vacuum source reversely blows compressed air into the vacuum bottle 31, when the air pressure in the vacuum bottle 31 is greater than the external standard atmospheric pressure, the third control valve 51 is opened, at this time, the sewage flows into an external preset sewage collection tank along the drainage pipe 5 under the influence of the air pressure, accomplish follow-up processing to sewage, it is preferred, in this embodiment, blow off pipe 5 is located a tip of vacuum flask 31 and extends to vacuum flask 31's interior diapire on, and be formed with certain clearance between the interior diapire of vacuum flask 31, and its aim at, guarantee the smooth circulation of sewage on the one hand, avoid blockking up, on the other hand, also can effectual realization to the extraction of sewage.
The first control valve 21, the second control valve 41, and the third control valve 51 may be solenoid valves, electric butterfly valves, manual valves, or other valves.
Referring to fig. 1 to 3, the drain pipe 4 includes: a first connection pipe 42 which is communicated with the inside of the reservoir 1 and is vertically arranged along the side wall of the reservoir 1, a second connection pipe 43 which is arranged in a U shape is further arranged at one side of the first connection pipe 42, two end parts of the second connection pipe 43 are parallel to each other, a third connection pipe 44 and a fourth connection pipe 45 are respectively communicated and fixed at two end parts of the second connection pipe 43, wherein, the end part of the fourth connection pipe 45 is communicated with the vacuum negative pressure suction device 3, the end part of the third connection pipe 44 is communicated with the end part of the first connection pipe 42, and a second control valve 41 is fixedly arranged on the third connection pipe 44;
the vacuum negative pressure suction device 3 includes: a vacuum bottle 31 and a vacuum source disposed on top thereof, the vacuum source having: a base 32 fixedly installed on the top of the vacuum bottle 31, wherein a suction tube 33 extending into the vacuum bottle 31 is arranged on the base 32 in a penetrating manner, and a vacuum pump 34 is fixedly installed on the top of the suction tube 33;
the blow-off pipe 5 penetrates through one end part in the vacuum bottle 31, extends to the inner bottom wall of the vacuum bottle 31, and a certain gap is reserved between the blow-off pipe and the inner bottom wall of the vacuum bottle 31.
Specifically, as can be seen from the above-mentioned embodiment, one end of the drain pipe 4 extends to above the inner bottom wall of the reservoir 1, and specifically, in this embodiment, the drain pipe 4 includes a first connecting pipe 42, a second connecting pipe 43, a third connecting pipe 44 and a fourth connecting pipe 45, wherein the second connecting pipe 43 is a U-shaped pipe structure, which is disposed between the vacuum suction device 3 and the reservoir 1, in addition, the second connecting pipe 43 is respectively installed with the third connecting pipe 44 and the fourth connecting pipe 45 at two ends, the fourth connecting pipe 45 is communicated with the outer wall of the vacuum bottle 31, the third connecting pipe 44 extends to above the reservoir 1, and the first connecting pipe 42 is connected and fixed at the end, the first connecting pipe 42 extends to above the inner bottom wall of the reservoir 1, when the sewage is pumped into the drain pipe 4, the sewage flows into the second connecting pipe 43, at this time, the second connecting pipe 43 designed in a U-shaped structure can retain the sewage, avoid it to flow backward in follow-up cistern 1 towards, improved the practicality of this device during operation.
Referring to fig. 5, in detail, when the device works specifically, the device works according to the following steps, including the following steps:
s100, opening a first control valve 21, and introducing sewage to be treated into the water storage tank 1;
s200, after the reservoir 1 is filled with sewage to a preset amount, closing the first control valve 21, opening the second control valve 41 and the vacuum pump 34, pumping the air pressure in the vacuum bottle 31 through the vacuum pump 34 until the air pressure is reduced to the standard atmospheric pressure, and pumping the sewage in the reservoir 1 into the vacuum bottle 31 through the drain pipe 4;
s300, after the sewage is sucked into the vacuum bottle 31, the second control valve 41 is closed, the third control valve 51 is opened, the vacuum pump 34 blows compressed air into the vacuum bottle 31 through the suction pipe 33, and the sewage in the compressed vacuum bottle 31 is discharged along the sewage discharge pipe 5.
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, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. A method of draining water using vacuum suction, comprising:
a reservoir (1) for storing therein sewage to be treated;
the water inlet pipe (2) is communicated to the water storage tank (1);
the vacuum negative pressure suction device (3) is arranged on one side of the reservoir (1);
the drain pipe (4) is arranged between the vacuum negative pressure suction device (3) and the water storage tank (1), and two ends of the drain pipe respectively extend into the vacuum negative pressure suction device (3) and the water storage tank (1); and the number of the first and second groups,
and one end of the sewage discharge pipe (5) is communicated and fixed in the vacuum negative pressure suction device (3), and the other end of the sewage discharge pipe is communicated with an external sewage collecting tank.
2. A method for discharging water by using vacuum negative pressure as claimed in claim 1, wherein the water inlet pipe (2), the water outlet pipe (4) and the sewage discharge pipe (5) are fixedly provided with a first control valve (21), a second control valve (41) and a third control valve (51), respectively.
3. A method for draining water by using vacuum negative pressure according to claim 2, wherein the drain pipe (4) comprises:
a first connecting pipe (42) communicated to the inside of the water reservoir (1) and vertically arranged along the side wall of the water reservoir (1);
a second connecting pipe (43) which is arranged in a U shape is also arranged on one side of the first connecting pipe (42), and two end parts of the second connecting pipe (43) are parallel to each other;
a third connecting pipe (44) and a fourth connecting pipe (45) are respectively fixedly communicated with the two end parts of the second connecting pipe (43);
wherein the end of the fourth connecting pipe (45) is communicated with the vacuum negative pressure suction device (3), and the end of the third connecting pipe (44) is communicated with the end of the first connecting pipe (42);
the second control valve (41) is fixedly attached to the third connection pipe (44).
4. A method for discharging water by using vacuum negative pressure as claimed in claim 3, wherein said vacuum negative pressure suction means (3) comprises:
a vacuum bottle (31) and a vacuum source disposed on top thereof, the vacuum source having:
a base (32) fixedly mounted on the top of the vacuum bottle (31);
a suction tube (33) extending into the vacuum bottle (31) is arranged on the base (32) in a penetrating manner;
the top of the suction tube (33) is fixedly provided with a vacuum pump (34).
5. A method for draining water by using vacuum negative pressure as claimed in claim 4, characterized in that the drain pipe (5) penetrates through an end part inside the vacuum flask (31), extends to the inner bottom wall of the vacuum flask (31), and is reserved with a certain gap from the inner bottom wall of the vacuum flask (31).
6. The method for draining water by using vacuum negative pressure as claimed in claim 5, comprising the steps of:
s100, opening the first control valve (21) and introducing sewage to be treated into the water storage tank (1);
s200, after the reservoir (1) is filled with sewage to a preset amount, closing the first control valve (21), opening the second control valve (41) and the vacuum pump (34), pumping the air pressure in the vacuum bottle (31) through the vacuum pump (34) until the air pressure is reduced to standard atmospheric pressure, and pumping the sewage in the reservoir (1) into the vacuum bottle (31) through the drain pipe (4);
s300, after sewage is sucked into the vacuum bottle (31), the second control valve (41) is closed, meanwhile, the third control valve (51) is opened, the vacuum pump (34) blows compressed air into the vacuum bottle (31) through the suction pipe (33), and the sewage in the vacuum bottle (31) is compressed and discharged along the sewage discharge pipe (5).
CN202210045323.7A 2022-01-15 2022-01-15 Method for draining water by adopting vacuum negative pressure Pending CN114215793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210045323.7A CN114215793A (en) 2022-01-15 2022-01-15 Method for draining water by adopting vacuum negative pressure

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Application Number Priority Date Filing Date Title
CN202210045323.7A CN114215793A (en) 2022-01-15 2022-01-15 Method for draining water by adopting vacuum negative pressure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115750271A (en) * 2022-12-16 2023-03-07 中化珠海石化储运有限公司 A storage tank bottom pumping device and bottom pumping method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050072468A1 (en) * 2003-10-06 2005-04-07 Acorn Engineering Company Vacuum drainage system
CN102296691A (en) * 2011-07-11 2011-12-28 复旦大学 Self-operated vacuum drainage system and control method thereof
CN105507410A (en) * 2015-12-31 2016-04-20 黄山拓达科技有限公司 Vacuum sewage collecting and treating system
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
CN206188573U (en) * 2016-08-31 2017-05-24 黄山拓达科技有限公司 It collects and SBR sewage treatment in energy -conserving anti -pollution system of an organic whole to collect vacuum sewage
CN209243902U (en) * 2018-12-28 2019-08-13 苏州中鹿环保设备有限公司 Minitype negative pressure double flute pump drainage water integrating device
CN111501946A (en) * 2020-03-23 2020-08-07 武汉圣禹排水系统有限公司 Sewage regulation and storage device and method based on gravity water inflow and air pressure water evacuation and water outflow

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050072468A1 (en) * 2003-10-06 2005-04-07 Acorn Engineering Company Vacuum drainage system
CN102296691A (en) * 2011-07-11 2011-12-28 复旦大学 Self-operated vacuum drainage system and control method thereof
CN105507410A (en) * 2015-12-31 2016-04-20 黄山拓达科技有限公司 Vacuum sewage collecting and treating system
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
CN206188573U (en) * 2016-08-31 2017-05-24 黄山拓达科技有限公司 It collects and SBR sewage treatment in energy -conserving anti -pollution system of an organic whole to collect vacuum sewage
CN209243902U (en) * 2018-12-28 2019-08-13 苏州中鹿环保设备有限公司 Minitype negative pressure double flute pump drainage water integrating device
CN111501946A (en) * 2020-03-23 2020-08-07 武汉圣禹排水系统有限公司 Sewage regulation and storage device and method based on gravity water inflow and air pressure water evacuation and water outflow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115750271A (en) * 2022-12-16 2023-03-07 中化珠海石化储运有限公司 A storage tank bottom pumping device and bottom pumping method thereof

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Application publication date: 20220322