CN217220494U

CN217220494U - Water treatment shallow sand filter device

Info

Publication number: CN217220494U
Application number: CN202122396111.7U
Authority: CN
Inventors: 冯艳红
Original assignee: Shanghai Tongyutuzhi Environmental Science And Technology Co ltd
Current assignee: Shanghai Tongyutuzhi Environmental Science And Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-08-19
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to a water treatment shallow sand filtration device, including a jar body, install the water collection mechanism in the body and with the water collection mechanism join in marriage the water distribution mechanism that the festival is used for handling sewage each other, fixed surface and the intercommunication have an inspection pipe on the jar body, the inspection pipe is kept away from that jar body one end is articulated to have and is used for closed inspection pipe open-ended sealed lid, install the auxiliary assembly to jar internal portion down of being convenient for the staff on the internal wall of jar, the auxiliary assembly include with the internal wall of jar fixed protection box, with protection box both sides inner wall rotate the pivot of being connected and with twine in the epaxial rope ladder of rotating. The utility model discloses in, when needs overhaul shallow sand filtration device inside, the staff only need open sealed lid, by examining and repairing the pipe entering jar body, at this moment, the staff need operate auxiliary assembly for the staff gets into jar body back and descends to jar internal portion through auxiliary assembly, so that the staff overhauls shallow sand filtration device inside.

Description

Water treatment shallow sand filtration device

Technical Field

The utility model relates to a shallow sand filtration equipment technical field, concretely relates to water treatment shallow sand filter equipment.

Background

The active sand filtering device is a continuous operation treatment device integrating flocculation, clarification, filtration and biological treatment functions, and is widely applied to the fields of drinking water, industrial water, sewage advanced treatment and reclaimed water reuse treatment. When the existing active sand filter device carries out filtering operation, sewage to be filtered is distributed to the bottom of a sand material for filtering through a corresponding water distributor, and the sewage is effectively contacted with the sand material for filtering upstream and then is discharged after being filtered. In the filtering process, the sand material for filtering with stains is lifted up along the dirty sand lifting pipe through the air lifting pump, sand washing is simultaneously carried out under the action of the sand washer, and then the sewage generated by sand washing is discharged through the sewage discharge pipe. The energy consumption is extremely low, the maintenance is not needed, the management is simple and convenient, and the device can be unattended.

The utility model discloses an active sand filter equipment for sewage treatment in the chinese utility model patent of the bulletin number CN209923130U, including stabilizer blade and rigid coupling in filter tank body on the stabilizer blade, the upper portion right side of filtering tank body is equipped with corresponding filtrating discharge pipe, and the central point of filtering tank body puts and is equipped with corresponding water-locator, the top of water-locator is connected with corresponding raw water admission pipe, the water inlet of raw water admission pipe set up in the upper portion left side of filtering tank body, the center department of water-locator runs through and is equipped with corresponding dirty sand riser, the lower extreme of dirty sand riser is connected with the air lift pump, and the top both sides of dirty sand riser are equipped with corresponding sand washer.

However, the inventor thinks that the above technical solution has the following defects: above-mentioned sand filtration device is after long-time the use, and the staff often need overhaul its inside to guarantee the steady operation of equipment, nevertheless above-mentioned sand filtration device does not set up the access hole, is unfavorable for the staff to overhaul sand filtration device inside.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the maintenance of the inside of the shallow sand filtering device, the utility model provides a water treatment shallow sand filtering device.

The utility model provides a pair of water treatment shallow sand filter adopts following technical scheme:

the utility model provides a water treatment shallow sand filter equipment, includes the jar body, installs the water collection mechanism in the body and joins in marriage the water distribution mechanism that the festival is used for handling sewage each other with water collection mechanism, jar body upper surface is fixed and the intercommunication has the maintenance pipe, the maintenance pipe is kept away from that jar body one end is articulated to have and is used for closed maintenance pipe open-ended sealed lid, install the staff of being convenient for on the internal wall of jar and descend to the auxiliary assembly of jar internal portion.

Through adopting above-mentioned technical scheme, when needs overhaul shallow sand filtration device inside, the staff only need open sealed lid, get into the jar body by the inspection pipe, and at this moment, the staff need operate auxiliary assembly for the staff gets into jar body back and descends to jar internal portion through auxiliary assembly, so that the staff overhauls shallow sand filtration device inside.

The utility model discloses further set up to, the auxiliary assembly include with the fixed protection box of jar internal wall, with the pivot of protection box both sides inner wall rotation connection and with twine in the epaxial rope ladder of commentaries on classics, rope ladder one end is fixed with the pivot lateral wall, the opening has been seted up to protection box one end, the protection box is located on the lateral wall of opening one side the joint be fixed with be used for closed open-ended visor.

Through adopting above-mentioned technical scheme, when needs use auxiliary assembly, the staff only need open the visor, will twine in the epaxial rope ladder of commentaries on classics and pull out for the rope ladder expandes, so that the staff removes at jar internal portion with the help of the rope ladder, has improved the staff and has carried out the efficiency of overhauing to shallow sand filter device inside.

The utility model discloses further set up to, the equal fixed cover in pivot both ends is equipped with the torsional spring, torsional spring one end is fixed with the pivot, the torsional spring other end is fixed with protection box inner wall.

Through adopting above-mentioned technical scheme, after the maintenance is accomplished, the staff only need leave the rope ladder, and the rope ladder automatic re-setting twines in the pivot under the effect of torsional spring to this is convenient for the staff to accomodate the rope ladder.

The utility model discloses further set up to, protection box inner wall is fixed with the spacing piece, the spacing groove has been seted up to one side that the protection box inner wall was kept away from to the stopper, be fixed with L shape gag lever post on the pivot lateral wall, L shape gag lever post is fixed with the spacing groove joint.

Through adopting above-mentioned technical scheme, when needs use the rope ladder, the staff only need expand the rope ladder, later with L shape gag lever post and draw-in groove joint fixed to this has reduced the probability that the staff receives the torsional spring influence to take place the shrink at use rope ladder in-process rope ladder.

The utility model discloses further set up to, the lateral wall that the visor is close to protection box one side is fixed with the sealing ring, the lateral wall of sealing ring one side supports tightly with the lateral wall of protection box one side.

By adopting the technical scheme, the sealing ring is made of the rubber material and has good flexibility, when the protective cover and the protective box are closed, the sealing ring fully fills the gap between the protective box and the protective cover, the sealing performance of the protective box is enhanced, and the probability of damage caused by the influence of sewage in the tank body on elements in the protective box is reduced.

The utility model discloses further set up to, sealed lid inner wall is fixed with the sealing washer, the sealing washer is kept away from the lateral wall of sealed lid one side and is supported tightly with maintenance pipe one end.

Through adopting above-mentioned technical scheme, the sealing washer is made for rubber materials, has good compliance, and when sealed lid and maintenance pipe closure, the sealing washer fully fills up the gap between sealed lid and the maintenance pipe, is favorable to improving the seal of jar body.

The utility model discloses further set up to, the crossing edge department of the lateral wall of spacing groove opening side inner wall and stopper one side is provided with the chamfer.

Through adopting above-mentioned technical scheme, when needs when L shape gag lever post and draw-in groove joint, the staff only need move L shape gag lever post to the draw-in groove, L shape gag lever post at first contacts with the chamfer to this is convenient for the staff to continue to move L shape gag lever post and is fixed with the draw-in groove joint until L shape gag lever post, and it is fixed with the draw-in groove joint to be favorable to this staff to operate L shape gag lever post.

To sum up, the utility model discloses a following at least one kind of useful technological effect:

1. in the utility model, when the inside of the shallow sand filtering device needs to be overhauled, a worker only needs to open the sealing cover and enters the tank body through the overhauling pipe, at the moment, the worker needs to operate the auxiliary assembly, so that the worker can descend into the tank body through the auxiliary assembly after entering the tank body, and the worker can conveniently overhaul the inside of the shallow sand filtering device;

2. in the utility model, when the auxiliary component is needed, the worker only opens the protective cover and pulls out the rope ladder wound on the rotating shaft, so that the rope ladder is unfolded, the worker can move in the tank body by means of the rope ladder, and the efficiency of the worker for overhauling the inside of the shallow sand filtering device is improved;

3. the utility model discloses in, after the maintenance is accomplished, the staff only need leave the rope ladder, and the rope ladder automatic re-setting twines in the pivot under the effect of torsional spring to this is convenient for the staff to accomodate the rope ladder.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 3 is an exploded view of an auxiliary assembly according to an embodiment of the present invention.

Description of reference numerals: 1. a tank body; 11. overhauling the pipe; 111. a sealing cover; 112. a seal ring; 2. a water collecting mechanism; 3. a water distribution mechanism; 4. an auxiliary component; 41. a protection box; 411. a torsion spring; 42. a rotating shaft; 421. an L-shaped limiting rod; 43. a rope ladder; 44. a protective cover; 45. a seal ring; 5. a limiting block; 51. a limiting groove; 52. and (6) chamfering.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, a water treatment shallow sand filtration device comprises a tank 1, a water collection mechanism 2, a water distribution mechanism 3 and an auxiliary component 4.

The tank body 1 is of a cylindrical structure with a vertical axis, a downward-protruding conical body is integrally formed on the bottom surface of the tank body 1, and the upper surface of the tank body 1 is fixedly connected with an overhauling pipe 11 for a worker to enter the tank body 1.

The maintenance pipe 11 is a vertically arranged round tubular structure, the axis of the maintenance pipe 11 is parallel to the axis of the tank body 1, the upper surface of the maintenance pipe 11 is hinged with a sealing cover 111 which is used for unclosed opening of the maintenance pipe 11, a sealing ring 112 is fixed on the bottom surface of the sealing cover 111, the sealing ring 112 is a circular ring structure made of rubber materials, and when the sealing cover 111 and the maintenance pipe 11 are closed, the sealing ring 112 fully fills the gap between the sealing cover 111 and the maintenance pipe 11, so that the sealing performance of the tank body 1 is improved.

The water collecting mechanism 2 is used for regulating and controlling the flow direction of water inlet and outlet outside the tank body 1, and the water collecting mechanism 2 is arranged on the tank body 1. The water distribution mechanism 3 is used for adjusting the flow direction of sewage in the tank body 1, meanwhile, the water distribution mechanism 3 also has a back flushing function, and the water distribution mechanism 3 is arranged in the tank body 1.

The auxiliary assembly 4 is used for assisting a worker to go down to the inside of the tank body 1, the auxiliary assembly 4 is installed on the inner wall of the tank body 1, and the auxiliary assembly 4 comprises a protection box 41, a rotating shaft 42 and a rope ladder 43. The lateral wall and the jar body 1 inner wall fixed connection of protection box 41 one side, protection box 41 are the arc box-shaped structure, and the lateral wall joint of protection box 41 one side has and is used for closing protection box 41 open-ended visor 44.

The side wall of the protection cover 44 close to the protection box 41 is fixed with a sealing ring 45, the side wall of the sealing ring 45 is tightly abutted against the side wall of the protection box 41, the sealing ring 45 is of an annular structure made of rubber materials and has good flexibility, when the protection cover 44 and the protection box 41 are closed, the sealing ring 45 fully fills a gap between the protection box 41 and the protection cover 44, the sealing performance of the protection box 41 is enhanced, and the probability that elements in the protection box 41 are damaged due to the influence of sewage in the tank body 1 is reduced.

The rotating shaft 42 is a round bar structure with a horizontal axis, and two ends of the rotating shaft 42 are respectively connected with the inner walls of two sides of the protection box 41 in a rotating manner. One end of the rope ladder 43 is fixed with the rotating shaft 42, and the rope ladder 43 is wound on the rotating shaft 42.

When needs overhaul shallow sand filtration device inside, the staff only need open sealed lid 111, get into jar body 1 by overhauing pipe 11, at this moment, the staff need open visor 44, will twine in the epaxial rope ladder 43 of pivot 42 and pull out for rope ladder 43 expandes, so that the staff removes at jar body 1 inside with the help of rope ladder 43, so that the staff overhauls shallow sand filtration device inside with this.

In order to facilitate the staff to accomodate rope ladder 43, the equal fixed cover in pivot 42 both ends is equipped with torsional spring 411, torsional spring 411 one end is fixed with pivot 42, the torsional spring 411 other end is fixed with protection box 41 inner wall, overhauls the completion back, and the staff only need leave rope ladder 43, and rope ladder 43 automatic re-setting and twine on pivot 42 under torsional spring 411's effect to this is convenient for the staff to accomodate rope ladder 43.

In order to reduce the probability that the rope ladder 43 is influenced by torsional spring 411 and takes place the shrink when the staff uses rope ladder 43, the inner wall of protection box 41 is fixed with stopper 5, stopper 5 is kept away from one side of protection box 41 inner wall and has been seted up spacing groove 51, be fixed with L shape gag lever post 421 on the pivot 42 lateral wall, L shape gag lever post 421 is fixed with spacing groove 51 joint, and when needs use rope ladder 43, the staff only needs to expand rope ladder 43, later with L shape gag lever post 421 and draw-in groove joint fixed to this has reduced the probability that the staff receives the influence of torsional spring 411 and takes place the shrink when using rope ladder 43 in-process rope ladder 43.

For the convenience of staff's operation L shape gag lever post 421 is fixed with the draw-in groove joint, the crossing edge department of lateral wall on the side of gag lever post 51 opening side inner wall and stopper 5 is provided with chamfer 52, when needs are with L shape gag lever post 421 and draw-in groove joint, the staff only need remove L shape gag lever post 421 to the draw-in groove, L shape gag lever post 421 at first contacts with chamfer 52, so that the staff continues to remove L shape gag lever post 421 until L shape gag lever post 421 is fixed with the draw-in groove joint, so as to be favorable to staff's operation L shape gag lever post 421 and draw-in groove joint fixed.

The use principle of the embodiment is as follows:

when needing to overhaul shallow sand filter device inside, the staff only need open sealed lid 111, get into jar body 1 by overhauing pipe 11, at this moment, the staff need open visor 44, will twine the rope ladder 43 in pivot 42 and pull out for rope ladder 43 expandes, so that the staff removes at jar body 1 inside with the help of rope ladder 43, so that the staff overhauls the shallow sand filter device inside with this.

Because the equal fixed cover in pivot 42 both ends is equipped with torsional spring 411, torsional spring 411 one end is fixed with pivot 42, the torsional spring 411 other end is fixed with protection box 41 inner wall, overhauls the completion back, and the staff only needs to leave rope ladder 43, and rope ladder 43 automatic re-setting under torsional spring 411's effect twines on pivot 42 to this is convenient for the staff to accomodate rope ladder 43.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a water treatment shallow sand filter equipment, includes jar body (1), installs in the internal water collection mechanism (2) of body and constructs (2) with water collection and mutually join in marriage water distribution mechanism (3) that the festival is used for handling sewage, characterized by: the fixed surface and the intercommunication have maintenance pipe (11) on the jar body (1), it has sealed lid (111) that are used for closed maintenance pipe (11) open-ended to keep away from jar body (1) one end articulated to overhaul pipe (11), install on jar body (1) inner wall and be convenient for the staff and descend to jar auxiliary assembly (4) of body (1) inside.

2. The water treatment shallow sand filtration device according to claim 1, wherein: auxiliary assembly (4) include with jar body (1) inner wall fixed protection box (41), with protection box (41) both sides inner wall rotate pivot (42) be connected and with twine rope ladder (43) on pivot (42), rope ladder (43) one end is fixed with pivot (42) lateral wall, the opening has been seted up to protection box (41) one end, protection box (41) are located on the lateral wall of opening one side the joint be fixed with be used for closed open-ended visor (44).

3. The water treatment shallow sand filtration device according to claim 2, wherein: the equal fixed cover in pivot (42) both ends is equipped with torsional spring (411), torsional spring (411) one end is fixed with pivot (42), the torsional spring (411) other end and protection box (41) inner wall are fixed.

4. The water treatment shallow sand filtration device according to claim 3, wherein: protection box (41) inner wall is fixed with spacing block (5), spacing groove (51) have been seted up to one side that protection box (41) inner wall was kept away from in spacing block (5), be fixed with L shape gag lever post (421) on pivot (42) lateral wall, L shape gag lever post (421) are fixed with spacing groove (51) joint.

5. The water treatment shallow sand filtration device according to claim 4, wherein: the side wall of the protective cover (44) close to one side of the protective box (41) is fixed with a sealing ring (45), and the side wall of one side of the sealing ring (45) is tightly propped against the side wall of one side of the protective box (41).

6. The water treatment shallow sand filtration device according to claim 5, wherein: a sealing ring (112) is fixed on the inner wall of the sealing cover (111), and the side wall, far away from one side of the sealing cover (111), of the sealing ring (112) is tightly propped against one end of the maintenance pipe (11).

7. The water treatment shallow sand filtration device according to claim 6, wherein: a chamfer (52) is arranged at the crossed edge of the inner wall of the opening side of the limiting groove (51) and the side wall of one side of the limiting block (5).