CN108579162A - A kind of efficient municipal wastewater filter device - Google Patents

Abstract

The invention discloses a high-efficiency municipal sewage filtering device, which comprises a filter. The filter is a closed L-shaped structure. A turntable is installed at the position of the inflection point of the filter. At the same time, it is hingedly installed with one end of connecting rod 1 and connecting rod 2. Connecting rod 1 and connecting rod 2 are respectively connected to piston 1 and piston 2 on both sides of the filter. Piston 1 and piston 2 cooperate with the side wall of the filter to form The volume-variable filter cavity 1 and filter cavity 2 have the beneficial effect of the present invention: the alternate movement of piston 1 and piston 2 makes the volumes of filter cavity 1 and filter cavity 2 alternately reciprocating, thereby realizing liquid suction and liquid discharge Action, forced to filter the sewage containing small particles of impurities, no need to stand for a long time, the structure is simple, and the operation is very convenient.

Description

An Efficient Municipal Sewage Filtration Device

technical field

The invention relates to the technical field of environmental protection, in particular to a high-efficiency municipal sewage filtering device.

Background technique

With the continuous development in recent years, especially the development of urbanization, the speed is amazing, but the construction of related facilities required for urban development is very slow, far behind the speed of urban development, especially for the treatment of sewage At present, most of the sewage is directly discharged after concentration. There are a lot of impurities and some nutrient-rich substances in the sewage. Discharging into nature will cause great pollution to the environment and destroy the natural ecological balance; the existing The treatment of municipal sewage is mainly to add flocculant to the sewage to make it settle naturally, and then carry out the next step of treatment on the supernatant, which is inefficient and takes a long treatment period.

Contents of the invention

The purpose of the present invention is to provide a high-efficiency municipal sewage filtering device to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A high-efficiency municipal sewage filtering device, including a filter, the filter is a closed L-shaped structure, a turntable is installed at the inflection point of the filter, the turntable is driven by a geared motor, and the eccentric position of the turntable is connected with the connecting rod at the same time One end of connecting rod 1 and connecting rod 2 are hingedly installed, and connecting rod 1 and connecting rod 2 are respectively located on both sides of the filter. Piston 1 and piston 2 are connected, and piston 1 and piston 2 cooperate with the side wall of the filter to form a variable volume Filter chamber one and filter chamber two, filter chamber one and filter chamber two are connected with water outlet pipe one and water outlet pipe two respectively, and filter screen one and filter screen two are respectively installed in water outlet pipe one and water outlet pipe two, and said filter screen one and the filter screen two are installed on the outlet pipe one and the two outlet pipes by means of flange and bolt compression, and the two ends of the filter are respectively provided with branch pipe one and branch pipe two connected with the filter chamber one and filter chamber two The branch pipe 1 and the branch pipe 2 are respectively equipped with a check valve 1 and a check valve 2, and the branch pipe 1 and the branch pipe 2 are both connected to the liquid inlet main pipe for inputting sewage, and the deceleration motor is electrically connected to the power supply and the control switch; Both the first water outlet pipe and the second water outlet pipe are connected to the main water outlet pipe, and a one-way valve is also installed on the main water outlet pipe.

As a further solution of the present invention: the liquid inlet main pipe extends into the clear water tank, a sedimentation tank is provided on one side of the clear water tank, and the sedimentation tank and the clear water tank are separated by a partition plate, and a settling tank is provided above the sedimentation tank. The dosing box for dosing, the clear water pool is connected with the sewage pipe.

As a further solution of the present invention: multiple inclined baffles are installed in the clear water pool.

As a further solution of the present invention: both the first filter screen and the second filter screen are made of metal materials.

As a further solution of the present invention: the position of the inflection point of the filter is provided with a space for the turntable.

As a further solution of the present invention: a liquid level detection device for detecting the liquid level is provided in the clear water pool.

As a further solution of the present invention: a sewage discharge pipe is connected to the bottom of the sedimentation tank, and a sewage discharge pump is installed on the sewage discharge pipe.

Compared with the prior art, the beneficial effect of the present invention is that the alternating movement of the piston 1 and the piston 2 makes the volumes of the filter chamber 1 and the filter chamber 2 change alternately and reciprocatingly, thereby realizing the action of sucking liquid and discharging liquid, and forcing the filter chamber containing It can filter the sewage with small particles of impurities without standing for a long time. The structure is simple and the operation is very convenient.

Description of drawings

Fig. 1 is a structural schematic diagram of a high-efficiency municipal sewage filtering device.

Fig. 2 is a schematic diagram of driving a turntable in a high-efficiency municipal sewage filtering device.

Fig. 3 is a schematic diagram of installation of a filter screen in a high-efficiency municipal sewage filter device.

In the figure: 1-sewage pipe, 2-sedimentation tank, 3-baffle, 4-clear water tank, 5-dosing box, 6-inlet main pipe, 7-filter, 8-branch one, 9-one-way valve 1. 10-turntable, 11-one-way valve 2, 12-branch pipe 2, 13-connecting rod 1, 14-connecting rod 2, 15-piston 1, 16-filter chamber 1, 17-outlet pipe 1, 18-filter Net one, 19-piston two, 20-filter chamber two, 21-water outlet pipe two, 22-filter screen two, 23-flange.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to FIGS. 1-3. In an embodiment of the present invention, a high-efficiency municipal sewage filtering device includes a filter 7, the filter 7 is a closed L-shaped structure, and a turntable 10 is installed at the inflection point of the filter 7. , the turntable 10 is driven by a reduction motor to rotate, and the eccentric position of the turntable 10 is hingedly installed with one end of the first connecting rod 13 and the second connecting rod 14 at the same time, and the first connecting rod 13 and the second connecting rod 14 are respectively located at the positions on both sides of the filter 7 Piston one 15 and piston two 19 are connected, and piston one 15 and piston two 19 cooperate with the side wall of filter 7 to form volume-variable filter chamber one 16 and filter chamber two 20. When the reduction motor outputs power, the turntable 10 rotates synchronously , through the transmission action of the first connecting rod 13 and the second connecting rod 14, the first piston 15 and the second piston 19 reciprocate in the filter 7, so that the volumes of the first filter chamber 16 and the second filter chamber 20 alternately reciprocate, and the filter chamber One 16 and filter chamber two 20 are connected with outlet pipe one 17 and outlet pipe two 21 respectively, and filter screen one 18 and filter screen two 22 are respectively installed in the outlet pipe one 17 and outlet pipe two 21, and the two ends of filter 7 are positioned Branch pipe one 8 and branch pipe two 12 communicated with filter chamber one 16 and filter chamber two 20 are provided respectively, and check valve one 9 and check valve two 11 are respectively installed on branch pipe one 8 and branch pipe two 12, and branch pipe one 8 and the second branch pipe 12 are connected with the liquid inlet main pipe 6 for inputting sewage, and the geared motor is electrically connected with the power supply and the control switch.

The liquid inlet main pipe 6 stretches into the clear water pool 4, and a sedimentation tank 2 is provided on one side of the clear water pool 4. The sedimentation tank 2 and the clear water pool 4 are separated by a partition 3, and the height of the partition 3 is slightly lower. , so that the supernatant of the sedimentation tank 2 can overflow into the clear water tank 4, the top of the sedimentation tank 2 is provided with a dosing box 5 for dosing it, which is used to add flocculants to the sedimentation tank 2, so as to facilitate the removal of impurities Settling, clear water tank 4 is connected with sewage pipe 1.

The first filter screen 18 and the second filter screen 22 are all installed on the first water outlet pipe 17 and the second water outlet pipe 21 by means of flange 23 and bolt compression, and the disassembly is relatively convenient.

The first water outlet pipe 17 and the second water outlet pipe 21 are all connected to the main water outlet pipe, and a one-way valve is also installed on the main water outlet pipe, which can prevent the backflow of water in the main water outlet pipe.

The position of the inflection point of the filter 7 is provided with a relief for the turntable 10, and the relief can be an arc or chamfered structure.

The clean water tank 4 is provided with a liquid level detection device for detecting its liquid level, which is convenient for personnel to know the internal liquid level of the clean water tank 4 in time, and avoids idling of the filter 7 .

The bottom of the sedimentation tank 2 is connected with a sewage pipe, and a sewage pump is installed on the sewage pipe to discharge the sludge and impurities deposited at the bottom of the sedimentation tank 2 .

A plurality of inclined baffles are installed in the clean water pool 4 to reduce or prevent the impurities deposited at the bottom of the clean water pool 4 from floating up, and reduce the workload of the first filter screen 18 and the second filter screen 22 .

Both the first filter screen 18 and the second filter screen 22 are made of metal.

The working principle of the present invention is: when working, the sewage enters the sedimentation tank 2 through the sewage pipe 1, and at this time, an appropriate amount of flocculant is added to the sedimentation tank 2 through the dosing box 5, and the impurities in the sewage can be settled, and at the same time With the continuous input of sewage, the supernatant liquid in the sedimentation tank 2 overflows into the clear water tank 4. At this time, the deceleration motor is started, and the turntable 10 rotates synchronously. and piston two 19 reciprocate in the filter 7, so that the volumes of filter chamber one 16 and filter chamber two 20 alternately reciprocate. Taking filter chamber two 20 as an example, there is a liquid suction and discharge process. , the water in the clean water pool 4 enters the filter chamber 220 through the branch pipe 212 and the check valve 11, and then enters the liquid discharge process. Due to the design of the check valve 11, the sewage can only flow out from the outlet pipe 21. After forced filtration by the filter screen 2 22, impurities are retained, and clean water is discharged from the outlet pipe 2 21, and then the process of absorbing liquid and draining liquid is carried out.

It should be noted that in this technical solution, filter 7, rotating disk 10, connecting rod one 13, connecting rod two 14, piston one 15 and piston two 19, etc. are all applications of the prior art, and the piston is used to carry out sewage treatment. The forced filtration is the innovation point of this application, which can efficiently filter the water in the clear water pool without standing for a long time. The structure is simple and the operation is very convenient.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. A high-efficiency municipal sewage filtering device, comprising a filter (7), characterized in that the filter (7) is a closed L-shaped structure, and a turntable (10 ), the turntable (10) is driven by a geared motor to rotate, and the eccentric position of the turntable (10) is hingedly installed with one end of the first connecting rod (13) and the second connecting rod (14), and the first connecting rod (13) and the second connecting rod (14) Piston 1 (15) and piston 2 (19) respectively located on both sides of the filter (7) are connected, and piston 1 (15) and piston 2 (19) cooperate with the side wall of the filter (7) to form The first filter chamber (16) and the second filter chamber (20) with variable volume, the first filter chamber (16) and the second filter chamber (20) are respectively connected with the first water outlet pipe (17) and the second water outlet pipe (21), the outlet pipe A filter screen one (18) and a filter screen two (22) are respectively installed in one (17) and the outlet pipe two (21), and the filter screen one (18) and the filter screen two (22) all pass through the flange (23 ) and bolts are installed on the outlet pipe one (17) and the outlet pipe two (21). ) connected branch pipe 1 (8) and branch pipe 2 (12), branch pipe 1 (8) and branch pipe 2 (12) are installed with check valve 1 (9) and check valve 2 (11) respectively, branch pipe 1 (8 ) and the second branch pipe (12) are connected to the main liquid inlet pipe (6) for inputting sewage, and the deceleration motor is electrically connected to the power supply and the control switch; the first water outlet pipe (17) and the second water outlet pipe (21) They are all connected to the main water outlet pipe, and a one-way valve is also installed on the main water outlet pipe. 2. A high-efficiency municipal sewage filtering device according to claim 1, characterized in that, the liquid inlet main pipe (6) extends into the clean water pool (4), and one side of the clean water pool (4) is set There is a sedimentation tank (2), the sedimentation tank (2) and the clear water tank (4) are separated by a partition (3), and a dosing box (5) for adding medicine to it is arranged above the sedimentation tank (2) , the clean water pool (4) is connected with the sewage pipe (1). 3. A high-efficiency municipal sewage filtering device according to claim 2, characterized in that, a plurality of inclined baffles are installed in the clear water pool (4). 4. The high-efficiency municipal sewage filtering device according to claim 3, characterized in that, the first filter screen (18) and the second filter screen (22) are both made of metal materials. 5. A high-efficiency municipal sewage filtering device according to claim 4, characterized in that, the position of the inflection point of the filter (7) is provided with a space for the turntable (10). 6. A high-efficiency municipal sewage filtering device according to claim 5, characterized in that a liquid level detection device for detecting the liquid level is provided in the clear water pool (4). 7. A high-efficiency municipal sewage filtering device according to claim 6, characterized in that a sewage pipe is connected to the bottom of the sedimentation tank (2), and a sewage pump is installed on the sewage pipe.