CN213192673U

CN213192673U - Full-automatic back flush filter

Info

Publication number: CN213192673U
Application number: CN202021348635.8U
Authority: CN
Inventors: 王滨蓉
Original assignee: Shanghai Bindian Environmental Protection Technology Co ltd
Current assignee: Shanghai Bindian Environmental Protection Technology Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-05-14
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a full-automatic back flush filter relates to filter technical field, can't realize automatic work to current back flush filter, needs artifical supplementary, and the interval that washes and the time of washing at every turn do not good the problem of accuse, influence the problem of work efficiency and effect, the following scheme is proposed at present, and it includes the rose box, the inlet tube has been seted up to the left end of rose box, and the end cover is installed to the right-hand member, install the third solenoid valve in the inlet tube, the back flush pipe has been seted up on the end cover, install the back flush valve on the back flush pipe, the blow off pipe is installed to the left end downside of rose box, and the outlet pipe is installed to the right-hand member downside, and blow off pipe and outlet pipe all are linked together with the inner chamber of rose box, and internally mounted respectively has first solenoid valve and second. The utility model discloses can realize the full automatic operation of back flush filter, use manpower sparingly, improve work efficiency and filter effect, and back flush effectual.

Description

Full-automatic back flush filter

Technical Field

The utility model relates to the technical field of filters, especially, relate to a full-automatic back flush filter.

Background

The back washing filter is a precise device which directly intercepts impurities in water by using a filter screen, removes suspended matters and particles in the water body, reduces turbidity, purifies water, reduces the generation of system dirt, bacteria, algae, rust and the like, and purifies the water and protects other devices of the system to normally work. Water enters the self-cleaning filter body from the water inlet, and due to the intelligent (PLC and PAC) design, the system can automatically identify the impurity deposition degree and automatically discharge sewage by a sewage discharge valve signal.

The existing backwashing filter needs manual assistance when being washed, so that the opening and closing of a control valve are controlled, the labor capacity of workers is large, the washing interval and the washing time at each time are not well controlled, the interval time is long, filter residues on a filter screen are accumulated for a large amount, the filtering effect and the filtering efficiency can be influenced, the washing effect on the filter screen can be influenced due to the short backwashing time, the filtering effect and the filtering efficiency are further influenced, and a full-automatic backwashing filter is designed for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of full-automatic back flush filter has solved the unable automatic work that realizes of current back flush filter, needs artifical supplementary, and the interval that just washes and the time of washing at every turn do not good the accuse, influence the problem of work efficiency and effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a full-automatic backwashing filter comprises a filter box, wherein the left end of the filter box is provided with a water inlet pipe, the right end of the filter box is provided with an end cover, a third electromagnetic valve is arranged in the water inlet pipe, the end cover is provided with a backwashing pipe, the backwashing pipe is provided with a backwashing valve, the lower side of the left end of the filter box is provided with a sewage discharge pipe, the lower side of the right end of the filter box is provided with a water outlet pipe, the sewage discharge pipe and the water outlet pipe are both communicated with the inner cavity of the filter box, the filter box is internally provided with a first electromagnetic valve and a second electromagnetic valve respectively, the filter box is connected with two sliding rings in a sliding way, two symmetrically arranged support rods are connected between the two sliding rings, a plurality of filter screens which are arranged at equal intervals are fixedly arranged in the two support rods, a transmission mechanism is, and the outer wall of the filter box is provided with a control panel.

Preferably, a plurality of the filter screens are all vertically arranged, and the sizes of the filter meshes are sequentially reduced from left to right.

Preferably, the filter box is connected with the end cover through a locking bolt, and a sealing ring is arranged at the joint.

Preferably, drive mechanism is including installing the montant on rose box right-hand member inner wall, and the right side center department fixed mounting of montant has the guiding axle, and the guiding axle is the hob, and a plurality of filter screens are passed to the left end of hob to the rigid coupling has the dog, and the center department of a plurality of filter screens installs the go-between, and the inside of go-between seted up with guiding axle matched with hole.

Preferably, the axis of the guide shaft is collinear with the axis of the filter box.

Preferably, two scraper and arc elastic plate are installed respectively to the one end that the slip ring carried on the back mutually, and the scraper is laminated mutually with the inner wall profile of rose box, and the arc elastic plate is two, and the opening is relative.

Preferably, the output end of the control panel is connected with the input end of the ultraviolet sensor, the output end of the control panel is connected with the input ends of the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the backwashing valve and the ultraviolet lamp tube, the ultraviolet sensor is installed on one side of the water outlet pipe, and the timing module is arranged inside the control panel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, after more filtering impurities are on the filter screen, the filter screen can be pushed backwards, after the ultraviolet sensor is shielded, the control panel can intelligently control the state of each electromagnetic valve, thereby realizing the back flushing of the filter screen and the discharge of sewage, and after the back flushing time is reached, the device is automatically adjusted back to the state during filtering, thereby realizing the full-automatic operation of the filter and improving the working efficiency;

2. in the utility model, the thrust when the water flow passes through the filter screen during filtering can be offset by the friction force between the two arc-shaped elastic plates and the inner wall of the filter box, so that the abnormal back washing problem is avoided;

3. in the utility model, the multi-layer filtration of the water flow is matched with the disinfection of the ultraviolet lamp tube to the water flow, so that the filtration effect is improved;

4. the utility model discloses in, can set up the time of back flush at every turn through control panel in advance according to actual conditions such as the size of device, the mesh size of filter screen, to the washing effect of filter screen when guaranteeing the back flush.

Drawings

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

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic view of the connection structure of the middle filter screen and the transmission mechanism of the present invention.

Reference numbers in the figures: 1. a filter box; 2. a water inlet pipe; 3. an end cap; 4. a backwash pipe; 5. a back-flushing valve; 6. a blow-off pipe; 7. a water outlet pipe; 8. a first solenoid valve; 9. a second solenoid valve; 10. a slip ring; 11. a support bar; 12. a filter screen; 13. a transmission mechanism; 131. a vertical rod; 132. a guide shaft; 133. a connecting ring; 14. a control panel; 15. a third electromagnetic valve; 16, a scraper blade; 17. an ultraviolet sensor; 18. an ultraviolet lamp tube; 19. an arc-shaped elastic plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, a full-automatic backwashing filter comprises a filter box 1, a water inlet pipe 2 is arranged at the left end of the filter box 1, an end cover 3 is arranged at the right end of the filter box 1, a third electromagnetic valve 15 is arranged in the water inlet pipe 2, a backwashing pipe 4 is arranged on the end cover 3, a backwashing valve 5 is arranged on the backwashing pipe 4, a sewage discharge pipe 6 is arranged at the lower side of the left end of the filter box 1, a water outlet pipe 7 is arranged at the lower side of the right end of the filter box 1, the sewage discharge pipe 6 and the water outlet pipe 7 are both communicated with an inner cavity of the filter box 1, a first electromagnetic valve 8 and a second electromagnetic valve 9 are respectively arranged in the filter box 1, two sliding rings 10 are slidably connected in the filter box 1, two symmetrically arranged support rods 11 are connected between the two sliding rings 10, a plurality of filter screens 12 which are arranged at equal intervals are fixedly arranged in the two support rods 11, a transmission mechanism 13 is connected between the plurality of The tube 18 and the ultraviolet lamp tube 18 can perform sterilization treatment, and the outer wall of the filter box 1 is provided with the control panel 14.

The plurality of filter screens 12 are vertically arranged, and the sizes of filter meshes are sequentially reduced from left to right; multiple filter screens 12 of different mesh sizes may improve filtration efficiency.

The filter box 1 is connected with the end cover 3 through a locking bolt, and a sealing ring is arranged at the joint; the filter box 1 is connected and fastened with the end cover 3, and the sealing performance is good.

The transmission mechanism 13 comprises a vertical rod 131 arranged on the inner wall of the right end of the filter box 1, a guide shaft 132 is fixedly arranged at the center of the right side of the vertical rod 131, the guide shaft 132 is a spiral rod, the left end of the spiral rod penetrates through the plurality of filter screens 12 and is fixedly connected with a stop block, a connecting ring 133 is arranged at the center of the plurality of filter screens 12, and a hole matched with the guide shaft 132 is formed in the connecting ring 133; when the filter screen 12 has a large amount of impurities, the transmission mechanism 13 is pushed by water toward the end cap 3, and the filter screen 12 rotates around the guide shaft 132 during the pushing process.

The axis of the guide shaft 132 is collinear with the axis of the filter box 1; smooth rotation of the filter screen 12 around the guide shaft 132 is ensured.

The scraper 16 and the arc-shaped elastic plates 19 are respectively arranged at the opposite ends of the two sliding rings 10, the scraper 16 is attached to the contour of the inner wall of the filter box 1, and the two arc-shaped elastic plates 19 are opposite in opening; the scraper 16 can scrape off the attachments on the inner wall of the filter box 1, and the arc-shaped elastic plate 19 is arranged to normally counteract the influence of the flow of the water flow on the filter screen 12.

The output end of the control panel 14 is connected with the input end of an ultraviolet sensor 17, the output end of the control panel 14 is connected with the input ends of a first electromagnetic valve 8, a second electromagnetic valve 9, a third electromagnetic valve 15, a back washing valve 5 and an ultraviolet lamp tube 18, the ultraviolet sensor 17 is installed on one side of the water outlet pipe 7, and a timing module is arranged inside the control panel 14; the intelligent and fully automatic operation of the device can be realized through the control panel 14.

The working principle is as follows: during filtering, the third electromagnetic valve 15 and the second electromagnetic valve 9 are in an open state, the first electromagnetic valve 8 and the back flush valve 5 are in a closed state, water flows into the filter box 1 through the water inlet pipe 2, after being filtered by the multiple layers of filter screens 12 and sterilized by the ultraviolet lamp tube 18, the water is discharged through the water outlet pipe 7, along with the propulsion of the working time, more impurities are filtered by the filter screens 12, most of the impurities are attached to the filter screens 12, meshes of the filter screens 12 are gradually blocked, the resistance of the water flow passing through the filter screens 12 is gradually increased, when the friction force between the arc-shaped elastic plate 19 and the inner wall of the filter box 1 is larger than the friction force between the arc-shaped elastic plate 19 and the inner wall of the filter box 1, the filter screens 12 are pushed to the end cover 3, the connecting ring 133 on the filter screens 12 is matched with the spiral rod to realize rotation, the inner wall of the, the ultraviolet sensor 17 sends a signal to the control panel 14, at this time, the third electromagnetic valve 15 and the second electromagnetic valve 9 are closed, the first electromagnetic valve 8 and the back flush valve 5 are opened, water flows reversely through the filter screen 12 to enable the filter screen to rotate around the guide shaft 132, the rotating filter screen 12 helps the flushed water flow to flush impurities on the filter screen and discharge the impurities through the sewage discharge pipe 6, the control panel 14 is lifted to set the flushing time each time, after the flushing is finished, the filter screen returns to the open state of the third electromagnetic valve 15 and the second electromagnetic valve 9, and the first electromagnetic valve 8 and the back flush valve 5 are closed, so that the filtering can be continuously performed.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A full-automatic backwashing filter comprises a filter box (1) and is characterized in that a water inlet pipe (2) is arranged at the left end of the filter box (1), an end cover (3) is arranged at the right end of the filter box (1), a third electromagnetic valve (15) is arranged in the water inlet pipe (2), a backwashing pipe (4) is arranged on the end cover (3), a backwashing valve (5) is arranged on the backwashing pipe (4), a sewage discharge pipe (6) is arranged at the lower side of the left end of the filter box (1), a water outlet pipe (7) is arranged at the lower side of the right end of the filter box (1), the sewage discharge pipe (6) and the water outlet pipe (7) are communicated with an inner cavity of the filter box (1), a first electromagnetic valve (8) and a second electromagnetic valve (9) are respectively arranged in the filter box (1), two sliding rings (10) are slidably connected in the filter box, two bracing pieces (11) internal fixation install filter screen (12) that a plurality of equidistant settings, be connected with drive mechanism (13) between a plurality of filter screen (12) and rose box (1), on the both sides inner wall of rose box (1) respectively the gomphosis have ultraviolet sensor (17) and ultraviolet tube (18), and install control panel (14) on the outer wall of rose box (1).

2. The full-automatic backwashing filter of claim 1, wherein a plurality of said filter screens (12) are vertically arranged, and the sizes of filter meshes are sequentially reduced from left to right.

3. The full-automatic backwashing filter of claim 1, wherein the filter tank (1) is connected with the end cover (3) through a locking bolt, and a sealing ring is arranged at the joint.

4. The full-automatic backwashing filter of claim 1, wherein the transmission mechanism (13) comprises a vertical rod (131) installed on the inner wall of the right end of the filter box (1), a guide shaft (132) is fixedly installed at the center of the right side of the vertical rod (131), the guide shaft (132) is a spiral rod, the left end of the spiral rod penetrates through the plurality of filter screens (12) and is fixedly connected with a stop block, a connecting ring (133) is installed at the center of the plurality of filter screens (12), and a hole matched with the guide shaft (132) is formed in the connecting ring (133).

5. A fully automatic backflush filter according to claim 4, characterized in that the axis of the guide shaft (132) is collinear with the axis of the filter box (1).

6. The full-automatic backwashing filter of claim 1, wherein one end of each of the two slip rings (10) opposite to each other is provided with a scraper (16) and an arc-shaped elastic plate (19), the scrapers (16) are attached to the contour of the inner wall of the filter box (1), and the two arc-shaped elastic plates (19) are provided with opposite openings.

7. The full-automatic backwashing filter of claim 1, wherein an output end of the control panel (14) is connected with an input end of an ultraviolet sensor (17), an output end of the control panel (14) is connected with input ends of a first electromagnetic valve (8), a second electromagnetic valve (9), a third electromagnetic valve (15), a backwashing valve (5) and an ultraviolet lamp tube (18), the ultraviolet sensor (17) is installed at one side of the water outlet pipe (7), and a timing module is arranged inside the control panel (14).