CN112177146A

CN112177146A - Sewage lifting system

Info

Publication number: CN112177146A
Application number: CN202011087931.1A
Authority: CN
Inventors: 郭峰
Original assignee: 郭峰
Current assignee: Shanxi jiaokong ecological environment Co.,Ltd.
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-01-05
Anticipated expiration: 2040-10-13
Also published as: CN112177146B

Abstract

The invention relates to the technical field of environment-friendly equipment, and discloses a sewage lifting system which comprises a water taking pipe communicated with a water collecting pit, wherein the water taking pipe is fixedly connected with a separation pipe with a filter screen, one end of the separation pipe, far away from the water taking pipe, is communicated with a sewage pump through a communication pipe, and the other end of the separation pipe is communicated with a collecting pipe. This sewage lifting system, separate the big rubbish in the sewage earlier, what strain back sewage collects the big rubbish of drive again with higher speed through the sewage pump pressurization and discharges, reduce the damage that big rubbish caused the sewage pump blade, the ability of discharging big rubbish has been strengthened simultaneously, reduce the great rubbish of volume and gather, secondly, utilize water hammer phenomenon to carry out the secondary pressurization, the lifting force of system has been improved, and big rubbish directly collects the discharge with high-pressure high-speed sewage in the discharge stage, the flow length that big rubbish participated in has been shortened, reduce big rubbish turn to the number of times, further reduce flow resistance and energy consumption, improve power equipment's efficiency.

Description

Sewage lifting system

Technical Field

The invention relates to the technical field of environmental protection equipment, in particular to a sewage lifting system.

Background

In most of domestic basement drainage, a cement brick-built water collecting pit is designed in a basement, and toilet sewage, bathroom sewage and wash platform sewage are discharged into the water collecting pit through the pipeline on the same layer. Two submersible pumps are arranged in the water pit, which is a so-called 'one pit two pumps' underground sewage discharge mode.

Although the double pumps work alternately, the reliability of sewage discharge can be ensured. But because the composition of sewage is too complicated, contains more bulky impurity, arouses the immersible pump very easily to block up or damage, though can solve most problems through increasing filter screen and rotatory cutting tool bit, on the one hand, after using for a long time, has the phenomenon that the filter screen blocks up and the blade becomes blunt or corrodes, needs manual maintenance and clearance, on the other hand, can not keep apart the material that easily blocks up, still has the phenomenon that the sewage pump blocks up the damage.

Furthermore, because the substance particles contained in the sewage are more, larger and irregular, when the impurities flow along with the water, the resistance of the impurities and the collision between the impurities consume more kinetic energy, the lifting efficiency and the lifting height of the sewage pump are reduced, and the sewage pump with larger power and flow can meet the application requirement, thereby providing equipment and maintenance cost.

Disclosure of Invention

Aiming at the defects of the background technology, the technical scheme of the sewage lifting system provided by the invention has the advantages of high reliability, long service life, high working efficiency and the like, and solves the problems in the background technology.

The invention provides the following technical scheme: a sewage lifting system comprises a water taking pipe communicated with a water collecting pit, wherein a separation pipe with a filter screen is fixedly connected with the water taking pipe, one end, far away from the water taking pipe, of the separation pipe is communicated with a sewage pump through a communication pipe, the other end of the separation pipe is communicated with a collecting pipe, the sewage pump is communicated with a control pipe, the height of the control pipe is lower than the outlet height of the collecting pipe, the control pipe is provided with a control valve capable of cutting off water flow, the control valve is periodically opened and closed, the side wall of the control pipe is communicated with a first air pressure tank, the first air pressure tank is positioned between the control valve and the sewage pump, water-insoluble high-pressure gas is filled in the first air pressure tank, the other end of the control pipe is communicated with a collecting pipe, a check valve is arranged at the connecting position of the collecting pipe and the control pipe, the side wall of the collecting pipe is communicated with the collecting pipe through, the pressurizing connector is communicated with a discharge pipe, the bottom of the pressurizing connector is communicated with a first air pressure tank, the downstream position of the side wall of the control pipe, which is positioned on the control valve, is communicated with a second air pressure tank, and the second air pressure tank is filled with water-insoluble high-pressure gas.

Preferably, one side of the separation pipe is provided with a backflushing manifold with a filter screen, two ends of the separation pipe are both communicated with the backflushing manifold, and the backflushing manifold is provided with a pressure valve at the downstream position of the filter screen.

Preferably, the guide pipe extends reversely against the direction of the collecting pipe, the extending end of the guide pipe is movably connected with a push rod, and the push rod is in transmission connection with a crank with a driving motor through a connecting rod.

Preferably, a water pressure sensor is arranged on the discharge pipe, and the controller triggers the crank to rotate when the pressure of the water pressure sensor is greater than a preset value.

Preferably, the pressurizing joint comprises a connecting section, an accelerating section and a converging section, the accelerating section is located in the middle and has a diameter smaller than that of the connecting section and the converging section, the top end of the converging pipe is flush with the top end of the accelerating section, an inverted horn-shaped gap is reserved between the converging pipe and the connecting section as well as between the converging pipe and the accelerating section, and the first air pressure tank is communicated with the horn-shaped gap.

The invention has the following beneficial effects:

1. this sewage lifting system separates the big rubbish in the sewage earlier, and what strain back sewage collects the big rubbish of drive again with higher speed through sewage pump pressurization and discharges, on the one hand, reduces rubbish and gets into the water pump, reduces the damage that big rubbish caused the sewage pump blade, improves the life of water pump and reduces the maintenance frequency of sewage pump, and on the other hand has strengthened the ability of discharging big rubbish, and the great rubbish of reduction volume gathers, reduces artifical participation frequency.

2. This sewage lifting system, on the one hand, utilizes water hammer phenomenon to carry out the secondary pressurization, has improved the lifting capacity of system, and on the other hand, big rubbish is discharged with high-pressure high-speed sewage is directly assembled in the discharge stage, compares prior art big rubbish and is smashed by the cutting before getting into the water pump, further reduces the power consumption, secondly, has shortened the flow length that big rubbish participated in, reduces big rubbish turn to the number of times, further reduces flow resistance and energy consumption, improves power equipment's efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the configuration of the recoil manifold of the present invention;

FIG. 3 is a schematic view of the structure of the push rod and crank of the present invention;

fig. 4 is a schematic structural view of the pressure fitting of the present invention.

In the figure: 1. a water intake pipe; 2. a separation tube; 3. a collection pipe; 4. a sewage pump; 5. a control tube; 6. a first pneumatic tank; 7. a check valve; 8. a control valve; 9. a guide tube; 10. a header; 11. a pressurized joint; 111. a connecting section; 112. an acceleration section; 113. a collection section; 12. a second pneumatic tank; 13. a discharge pipe; 14. a recoil manifold; 15. a pressure valve; 16. a push rod; 17. a crank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a sewage lifting system comprises a water intake pipe 1 communicated with a sump, the water intake pipe 1 is fixedly connected with a separation pipe 2 with a filter screen, the separation pipe 2 is used for filtering larger substances, one end of the separation pipe 2 far away from the water intake pipe 1 is communicated with a sewage pump 4 through a communication pipe, the other end of the separation pipe 2 is communicated with a collection pipe 3, the inlet height of the collection pipe 3 is lower than that of the water intake pipe 1, the larger substances are naturally dropped into the collection pipe 3 after being filtered and accumulated, the upper end of the collection pipe 3 is provided with a non-return disc brake to prevent the substances in the collection pipe 3 from flowing backwards, the sewage pump 4 is communicated with a control pipe 5, the height of the control pipe 5 is lower than that of the collection pipe 3, the control pipe 5 is provided with a control valve 8 capable of cutting off water flow, the control valve 8 is periodically opened and closed, the side wall of the control pipe 5 is communicated with, the first air pressure tank 6 is filled with water-insoluble high-pressure gas, after the control valve 8 is closed, under the action of a water hammer, water flow compresses air in the first air pressure tank 6, the pressure in the first air pressure tank 6 is increased, the water flow pressure is increased, the other end of the control tube 5 is communicated with a collecting tube 10, a check valve 7 is arranged at the connecting position of the collecting tube 10 and the control tube 5, the side wall of the collecting tube 10 is communicated with a collecting tube 3 through a guide tube 9, the guide tube 9 guides larger sundries collected in the collecting tube 3 into the check valve 7 to be converged with the check valve 7, the water flow in the check valve 7 is gradually accelerated, the upper end of the collecting tube 10 is communicated with a pressurizing joint 11 with an enlarged diameter, the pressurizing joint 11 is communicated with a discharge tube 13, the bottom of the pressurizing joint 11 is communicated with the first air pressure tank 6, the water flow accelerated by the first air pressure tank 6 further pressurizes and accelerates the mixed water flow, the lifting lift of the water mixing device is improved, the downstream position, located on the control valve 8, of the side wall of the control pipe 5 is communicated with a second air pressure tank 12, energy storage and pressure accumulation are achieved when the control valve 8 is communicated, pressure is released after the control valve 8 is disconnected, a sewage pump 4 is replaced to provide pressure for water flow disconnection, and negative pressure is prevented from being generated to block flow of mixed water flow.

Referring to fig. 2, a backflushing manifold 14 with a filter screen is arranged on one side of the separation pipe 2, two ends of the separation pipe 2 are communicated with the backflushing manifold 14, a pressure valve 15 is arranged at a downstream position of the filter screen of the backflushing manifold 14, when the backflushing manifold 14 flows normally, water flows through the separation pipe 2, the pressure valve 15 is in a closed state, when too much garbage is blocked on the separation pipe 2, the pressure difference between two ends of the pressure valve 15 is increased, the pressure valve 15 is opened, water flows through the backflushing manifold 14, and at this time, the garbage falls off from the filter screen naturally as the pressure of the water flow in the separation pipe 2 on the garbage is reduced.

Referring to fig. 3, wherein the guide tube 9 extends reversely against the direction of the collecting tube 10, the extending end of the guide tube 9 is movably connected with a push rod 16, one end of the push rod 16 near the collecting tube 10 is spherical, the push rod 16 is in transmission connection with a crank 17 with a driving motor through a connecting rod, a shaft seal is arranged at the extending position of the push rod 16 to avoid leakage, and the push rod 16 is driven to move to push the blocked garbage into the collecting tube 10 when the crank 17 rotates due to the small pressure in the collecting tube 3, the garbage is large in volume and poor in flow capacity.

Wherein, be equipped with water pressure sensor on the discharge pipe 13, and the controller triggers crank 17 to rotate when water pressure sensor pressure is greater than the default, when rubbish blocks up in the stand pipe 9, can't get into when the header 10 collects, must lead to water pressure too big, judges the circulation condition in the collecting pipe 3 through the pressure value.

Referring to fig. 4, the pressure connector 11 includes a connection section 111, an acceleration section 112 and a collection section 113, the acceleration section 112 is located in the middle and has a smaller diameter than the connection section 111 and the collection section 113, the top end of the collection pipe 10 is flush with the top end of the acceleration section 112, an inverted trumpet-shaped gap is reserved between the collection pipe 10 and the connection section 111 as well as between the acceleration section 112, the first air pressure tank 6 is communicated with the trumpet-shaped gap, the pressurized water in the first air pressure tank 6 flows into the cavity and is further accelerated through the narrow annular gap between the acceleration section 112 and the collection pipe 10 and enters the collection section 113, and the high-speed annular water flow generates a larger suction force on the mixed water in the collection pipe 10 to accelerate and pressurize the mixed water.

The working principle and the working process of the invention are as follows:

when the sewage pump 4 is started, sewage in the water collecting pit is pumped through the water taking pipe 1, when the sewage flows through the separating pipe 2, larger garbage is filtered, the larger garbage naturally falls into the collecting pipe 3 to be collected, the filtered sewage flows through the control pipe 5 and the collecting pipe 10, in the header 10, the filtered waste is collected in the header 10, the high pressure high velocity water stream and the filtered waste are collected, when the filtered garbage is driven to flow, the control valve 8 cuts off the filtered water flow, and the filtered water stored in the second air pressure tank 12 flows reversely to replace the sewage pump 4 to provide pressure, so that the influence of cutting off the mixed water flow is reduced, and meanwhile, under the action of the water hammer, a higher pressure pressurized water flow is generated in the first air pressure tank 6, which is further accelerated in the pressurized joint 11, and finally, the water is further mixed with the mixed water flow, so that the pressure of the mixed water flow is further improved, and the lifting height is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sewage lift system, includes water intaking pipe (1) of intercommunication sump pit, its characterized in that: the water taking pipe (1) is fixedly connected with a separation pipe (2) with a filter screen, one end of the separation pipe (2) far away from the water taking pipe (1) is communicated with a sewage pump (4) through a communicating pipe, the other end of the separation pipe (2) is communicated with a collecting pipe (3), the sewage pump (4) is communicated with a control pipe (5), the height of the control pipe (5) is lower than the outlet height of the collecting pipe (3), the control pipe (5) is provided with a control valve (8) capable of cutting off water flow, the control valve (8) is periodically opened and closed, the side wall of the control pipe (5) is communicated with a first air pressure tank (6), the first air pressure tank (6) is positioned between the control valve (8) and the sewage pump (4), the first air pressure tank (6) is filled with water-insoluble high-pressure gas, the other end of the control pipe (5) is communicated with a collecting pipe (10), and the connecting position of the collecting pipe (10) and the control pipe (5) is, the side wall of the collecting pipe (10) is communicated with the collecting pipe (3) through the guide pipe (9), the upper end of the collecting pipe (10) is communicated with a pressurizing connector (11) with an enlarged diameter, the pressurizing connector (11) is communicated with a discharging pipe (13), the bottom of the pressurizing connector (11) is communicated with a first air pressure tank (6), the downstream position of the side wall of the control pipe (5) located on the control valve (8) is communicated with a second air pressure tank (12), and the second air pressure tank (12) is filled with water-insoluble high-pressure gas.

2. The sewage lifting system of claim 1, wherein: a backflushing manifold (14) with a filter screen is arranged on one side of the separation pipe (2), two ends of the separation pipe (2) are communicated with the backflushing manifold (14), and a pressure valve (15) is arranged at the downstream position, located on the filter screen, of the backflushing manifold (14).

3. The sewage lifting system of claim 1, wherein: the guide pipe (9) extends reversely against the direction of the collecting pipe (10), the extending end of the guide pipe (9) is movably connected with a push rod (16), and the push rod (16) is in transmission connection with a crank (17) with a driving motor through a connecting rod.

4. A sewage lifting system according to claim 3, wherein: and a water pressure sensor is arranged on the discharge pipe (13), and the controller triggers the crank (17) to rotate when the pressure of the water pressure sensor is greater than a preset value.

5. The sewage lifting system of claim 1, wherein: the pressurizing joint (11) comprises a connecting section (111), an accelerating section (112) and a converging section (113), wherein the accelerating section (112) is located in the middle and is smaller than the connecting section (111) and the converging section (113) in diameter, the top end of the converging pipe (10) is flush with the top end of the accelerating section (112), an inverted horn-shaped gap is reserved between the converging pipe (10) and the connecting section (111) as well as between the accelerating section (112), and the first air pressure tank (6) is communicated with the horn-shaped gap.