WO2020042381A1

WO2020042381A1 - Small-sized sewage treatment device

Info

Publication number: WO2020042381A1
Application number: PCT/CN2018/116195
Authority: WO
Inventors: 王建松
Original assignee: 苏州华烯环保科技有限公司
Priority date: 2018-08-31
Filing date: 2018-11-19
Publication date: 2020-03-05
Also published as: CN108862811A

Abstract

A small-sized sewage treatment device. One side of a sedimentation tank (1) is provided with a water inlet (13), and the upper part of the other side is provided with an opening; a lifting plate (4) capable of moving up and down is provided in the opening; the lifting plate (4) is communicated with a first filter box (2) by means of an overflow pipe (5); a magnetic filter screen (6) and an activated carbon filter (7) which are vertically provided are provided in the first filter box (2), and the bottom of the first filter box is communicated with the bottom of a second filter box (3) by means of a coupling pipe (8); a quartz sand filter (9) is provided in the second filter box (3); a drain pipe (10) is provided at the upper end of the quartz sand filter (9) in the second filter box (3); a movable water collecting tank (11) is provided at the lower end of the drain pipe (10); a sewage outlet (12) is formed in the lower end of the sedimentation tank (1); the sewage outlet (12) is communicated with the water collecting tank (11) by means of a water purification mechanism; arrangement of the lifting plate (4) enables the height of the overflow pipe (5) to be adjustable, and water and impurities at the bottom of the sedimentation tank (1) can be separated.

Description

Small sewage treatment device

Technical field

The invention belongs to the technical field of sewage equipment, and particularly relates to a small sewage treatment device.

Background technique

Sewage treatment is the process of purifying sewage to meet the water quality requirements of draining a certain water body or reusing it. Sewage treatment is widely used in construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical treatment, catering, etc. Field; according to the source of sewage, sewage treatment is generally divided into production sewage treatment and domestic sewage treatment.

Most of the existing sewage treatment methods use some physical or chemical methods, but the current sewage treatment methods have some advantages. Firstly, the operation cost is high, which is not suitable for some small factories. Secondly, the maintenance and replacement are inconvenient. Finally, the effect of the sewage treatment. Poor to meet the needs of actual use. Therefore, there is an urgent need to design a small sewage treatment device suitable for small displacement sewage.

Summary of the Invention

The technical problem mainly solved by the present invention is to provide a small sewage treatment device suitable for small-displacement sewage with low running cost, convenient maintenance and replacement, and good sewage treatment effect.

In order to achieve the above object, the technical solution adopted by the present invention is: a small sewage treatment device, including a sedimentation tank, a first filter box, a second filter box, a lifting plate, an overflow pipe, a magnetic filter screen, an activated carbon filter, and a connection Pipe, quartz sand filter, drain pipe, water collecting tank and water purification mechanism; a water inlet is provided on one side of the sedimentation tank, and an opening is provided on the upper side of the other side; The lifting plate communicates with the first filter box through an overflow pipe; the first filter box is provided with a magnetic filter screen and an activated carbon filter arranged above and below; the bottom of the first filter box is connected to the second filter box through a connecting pipe. The bottom of the filter box is connected; the second filter box is provided with a quartz sand filter; the second filter box is provided with a drain pipe at the upper end of the quartz sand filter; and the lower end of the drain pipe is provided with a movable A water collection tank; a sewage outlet is provided at the lower end of the sedimentation tank; the sewage outlet is communicated with the water collection tank through a water purification mechanism.

Further, the overflow pipe and the first filter box are arranged obliquely, and the angle between the overflow pipe and the upper end surface of the first filter box is 30 ° -75 °.

Further, the magnetic filter screen is detachably connected to the inner wall of the first filter box.

Further, a control valve is also provided in the coupling pipe.

Further, the water purification mechanism includes a water outlet pipe, a water tank, a strainer, a filter, a water outlet pipe, a first water level sensor, a suction pump, and a flow control valve; the lower end of the sewage outlet is connected to the water tank through a water outlet pipe; the The upper part of the water outlet pipe is provided with a flow control valve, and the lower part is provided with upper and lower filters and filters; the water tank is connected to the water collecting tank through a water outlet pipe; the first water level sensor and the first water level sensor are arranged in the water tank It is electrically connected to a suction pump located in the water outlet pipe.

Further, a second water level sensor is provided on the inner wall of the water collecting tank, for sensing the water level in the water collecting tank; the second water level sensor is electrically connected to the alarm, and is used for controlling the alarm of the alarm.

Further, a lifting cylinder is provided on the outer wall of the sedimentation tank; a piston rod of the lifting cylinder is connected to the upper end of the lifting plate through a connecting block.

The beneficial effect of the present invention is that the small sewage treatment device of the present invention has a stable and orderly treatment process, convenient maintenance of various accessories, and low operating costs. The sewage is treated through a sedimentation tank, magnetic filter, activated carbon filter, and quartz sand filtration It is sent back to the water collection tank for other purposes. The height of the overflow pipe can be adjusted to meet different needs. At the same time, the water and impurities at the bottom of the sedimentation tank can be separated, and the water after removing impurities is sent to the water collection tank. In this way, the reuse rate of sewage is improved, and it has better use value.

BRIEF DESCRIPTION OF THE DRAWINGS

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

2 is a schematic structural diagram of a sedimentation tank, a lifting plate, a connection block and a lifting cylinder;

Among them: 1. sedimentation tank; 2. the first filter box; 3. the second filter box; 4. the lifting plate; 5. the overflow pipe; 6. the magnetic filter; 7. the activated carbon filter; 8. the connecting pipe; 9. Quartz sand filter; 10. Drain pipe; 11. Water collecting tank; 12. Sewage outlet; 13. Water inlet; 20. Connection block; 21. Lifting cylinder; 30. Water outlet pipe; 31. Water tank; 32. Filter screen; 33. Filter; 34. Water outlet pipe; 35. First water level sensor; 36. Suction pump; 37. Flow control valve; 50. Second water level sensor; 51. Alarm; 80. Control valve; 110. Pulley.

detailed description

The following describes the preferred embodiments of the present invention in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention is more clearly defined.

Please refer to the attached drawings 1 to 2: The small sewage treatment device in this embodiment includes a sedimentation tank 1, a first filter box 2, a second filter box 3, a lifting plate 4, an overflow pipe 5, a magnetic filter screen 6, and activated carbon. Filter 7, coupling pipe 8, quartz sand filter 9, drainage pipe 10, water collection tank 11, and water purification mechanism; the sedimentation tank 1 is provided with a water inlet 13 on one side and an opening on the upper side of the other side; The opening is provided with a lifting plate 4 which can move up and down; the lifting plate 4 is communicated with the first filter box 2 through the overflow pipe 5; the first filter box 2 is provided with a magnetic filter screen 6 and activated carbon arranged up and down Filter 7; the bottom of the first filter box 2 communicates with the bottom of the second filter box 3 through a coupling pipe 8; a quartz sand filter 9 is provided in the second filter box 3; the second filter box 3 is located at the upper end of the quartz sand filter 9 with a drainage pipe 10; the lower end of the drainage pipe 10 is provided with a movable water collecting tank 11; the lower end of the sedimentation tank 1 is provided with a sewage outlet 12; the sewage outlet 12 passes The water purification mechanism is in communication with the water collecting tank 11.

In actual use, the wastewater enters the sedimentation tank through the water inlet, and the sedimentation tank performs preliminary sedimentation of the wastewater, and then the precipitated pure water flows into the first filter box through the overflow pipe, and then first passes through the magnetism in the first filter box. The filter screen is used to filter large particles, and some materials that can be adsorbed by the magnetic filter screen, and then filtered again through the activated carbon filter; finally, it flows into the second filter box through the communication pipe, and the final filter is carried out through the quartz sand filter. The water after it is discharged into the water collection tank through the drainage pipe, and the water in the water collection tank can be used for watering flowers and other purposes.

Further, the overflow pipe 5 and the first filter box 2 are arranged obliquely, and the angle between the overflow pipe 5 and the upper end surface of the first filter box 2 is 30 ° -75 °, and the overflow pipe is at In this embodiment, it is arranged obliquely, so that the precipitated water can enter the first filter box.

Further, the magnetic filter screen 6 and the inner wall of the first filter box 2 are detachably connected, and subsequent replacement and maintenance of the magnetic filter screen are convenient.

Further, a control valve 80 is also provided in the connecting pipe 8. This is to control the first valve through the control valve when a problem occurs in the first filter box 2 and the sedimentation tank 1, which may cause impure water or maintenance problems. The passage between the filter box and the second filter box is closed, and the pipelines of the second filter box and the water collecting tank will not be polluted, and it is convenient to replace and maintain the quartz sand filter in the second filter box.

Further, a lockable pulley 110 is provided at the lower end of the water collection tank 11. When the water in the water collection tank is collected, the water collection tank can be pushed away by the pulley. When a fixed position is required, the pulley can be locked.

Further, the role of the sedimentation tank is to settle the sewage and then transfer the purified water into the first filter box, so that a part of the water and impurities remain at the bottom of the sedimentation tank. The water mechanism includes a water outlet pipe 30, a 31 water tank, a 32 strainer, a 33 filter, a 34 water outlet pipe, a 35 first water level sensor, a suction pump 36 and a flow control valve 37; the lower end of the sewage outlet 12 passes through the water outlet pipe 30 and The water tank 31 is connected; the upper part of the water outlet pipe 30 is provided with a flow control valve 37, and the lower part is provided with a screen 32 and a filter 33 arranged above and below; the water tank 31 is connected to the water collection tank 11 through a water outlet pipe 34; The first water level sensor 35 is provided in the water tank 31, and the first water level sensor 35 is electrically connected to the suction pump 36 located in the water outlet pipe 34. After the sedimentation tank has been working for a period of time, the flow control valve is opened so that the water at the bottom of the sedimentation tank Flow down with the impurities through the flow control valve, remove the impurities through the screen and filter in turn, and water enters the water tank. When the water level in the water tank reaches a certain level, the first water level sensor controls the suction pump to start working. , Suction pumps water into the tank to collecting tank can be.

Further, a second water level sensor 50 is provided on the inner wall of the water collecting tank 11 in this embodiment to sense the water level in the water collecting tank 11; when the second water level sensor senses that the water level in the water collecting tank reaches a set position , The second water level sensor controls the alarm to work, and gives an alarm to remind the staff to take away the water in the water collection tank.

Further, since the working principle of the sedimentation tank is to precipitate impurities, the height of the position where the overflow pipe is connected to the sedimentation tank determines how much water enters the first filtration tank in the sedimentation tank. In this embodiment, A lifting cylinder 21 is provided on the outer wall of the sedimentation tank 1; the piston rod of the lifting cylinder 21 is connected to the upper end of the lifting plate 4 through a connection block 20, so that when the height of the overflow pipe in the sedimentation tank needs to be adjusted, the lifting cylinder is turned on , You can drive the lifting plate to move up and down to meet different needs.

The small sewage treatment device of the present invention has a stable and orderly treatment process, convenient maintenance of various accessories, and low operating costs. The sewage is treated by a sedimentation tank, a magnetic filter, an activated carbon filter, and quartz sand to be sent to a water collection tank for convenience. For other purposes, the height of the overflow pipe can be adjusted to meet different usage needs. At the same time, the water at the bottom of the sedimentation tank can be separated from impurities, and the water after removing impurities is sent to the water collection tank, which improves the repeatability of sewage. The utilization rate has a good use value.

The above are only specific application examples of the present invention, and do not constitute any limitation on the protection scope of the present invention. All technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the rights of the present invention.

Claims

A small sewage treatment device, characterized in that it includes a sedimentation tank, a first filter box, a second filter box, a lifting plate, an overflow pipe, a magnetic filter screen, an activated carbon filter, a connection pipe, a quartz sand filter, and a drainage pipe. Water collection tank and water purification mechanism; one side of the sedimentation tank is provided with a water inlet, and the other side is provided with an opening; the opening is provided with a lifting plate that can be moved up and down; and the lifting plate is connected with the overflow pipe through an overflow pipe. The first filter box is connected; the first filter box is provided with an upper and lower magnetic filter screen and an activated carbon filter; the bottom of the first filter box is communicated with the bottom of the second filter box through a connecting pipe; The second filter box is provided with a quartz sand filter; the second filter box is provided with a drain pipe at the upper end of the quartz sand filter; the lower end of the drain pipe is provided with a movable water collection tank; the lower end of the sedimentation tank A sewage outlet is provided; the sewage outlet is communicated with the water collecting tank through a water purification mechanism.
The small-scale sewage treatment device according to claim 1, characterized in that: the overflow pipe and the first filter box are arranged obliquely, and the angle between the overflow pipe and the upper end surface of the first filter box is 30 ° -75 °.
The small-scale sewage treatment device according to claim 1, wherein the magnetic filter screen is detachably connected to the inner wall of the first filter box.
The small-scale sewage treatment device according to claim 1, wherein a control valve is further provided in the coupling pipe.
The small-scale sewage treatment device according to claim 1, wherein the water purification mechanism comprises a water outlet pipe, a water tank, a strainer, a filter, a water outlet pipe, a first water level sensor, a suction pump, and a flow control valve; The lower end of the sewage outlet is connected to the water tank through a water outlet pipe; a flow control valve is provided at the upper part of the water outlet pipe, and a lower screen and a filter are arranged at the lower part; the water tank is connected to the water collection tank through a water outlet pipe; A first water level sensor is provided in the water tank, and the first water level sensor is electrically connected to a suction pump located in the water outlet pipeline.
The small-scale sewage treatment device according to claim 1, characterized in that: a second water level sensor is provided on an inner wall of the water collection tank, for sensing the water level in the water collection tank; the second water level sensor is electrically connected with an alarm device , Used to control the alarm alarm.
The small sewage treatment device according to claim 1, characterized in that: a lifting cylinder is provided on the outer wall of the sedimentation tank; a piston rod of the lifting cylinder is connected to the upper end of the lifting plate through a connecting block.