CN206483204U - A kind of dynamic drift sand filter - Google Patents

Abstract

The utility model provides a dynamic quicksand filter, which comprises a filter main body. The filter main body is provided with a purified water receiving chamber, a sand bed, and a dirty sand cleaning bin in sequence from top to bottom. The upper end of the filter main body is provided with a raw water inlet and a feeding In the sand mouth, a water delivery pipe is installed at the raw water inlet, and a water flow distributor is installed at the end of the water delivery pipe. The side wall is connected with a water guide pipe, and the water guide pipe is connected with the dirty sand cleaning bin. The bottom of the dirty sand cleaning bin is provided with a sewage discharge port. The sand guide pipe of the sand outlet. The beneficial effects of the utility model are: the design simplifies the operation steps of cleaning and reusing the dirty sand, and the design integrates the filter body and the dirty sand cleaning device to simplify the structure and save production cost, Good for promotion.

Description

A dynamic quicksand filter

technical field

The utility model relates to the technical field of water treatment equipment, in particular to a dynamic quicksand filter.

Background technique

In the process of water treatment, quicksand filter is a common water purification equipment. Its working principle is to transport the raw water into the sand bed so that the water flows through the sand bed from bottom to top, and the flocs are adsorbed by the sand bed to achieve the purpose of raw water purification. However, after the traditional quicksand filter has been used for a period of time, the pollution of the sand bed is too high so that the sand bed loses its purification ability, so it is necessary to take out the sand material for sand washing outside the quicksand filter. This is not only a cumbersome process, but also very labor-intensive. Of course, there are currently some quicksand filters that wash sand inside, but their design and structure are very complicated, which greatly increases the production cost and maintenance difficulty of quicksand filters. Obviously, these design defects limit this quicksand filter. promotion process.

It can be seen that how to develop a dynamic quicksand filter, which has the advantages of simple structure and recyclable sand material in the sand bed for water purification operation, is a problem to be solved urgently by those skilled in the art at present.

Contents of the invention

In order to solve the above problems, the utility model provides a novel dynamic quicksand filter.

The utility model relates to a dynamic quicksand filter, comprising a filter main body, the filter main body is sequentially provided with a purified water accommodation chamber, a sand bed and a dirty sand cleaning chamber from top to bottom, the purified water accommodation chamber and the sand The boundary between the beds is the upper surface of the sand bed, and a movable partition is arranged between the sand bed and the dirty sand cleaning bin, and the movable partition only cleans the dirty sand during recycling. The dirty sand cleaning bin is separated from the sand bed; the upper end of the filter body is provided with a raw water inlet and a sand injection port, and a water delivery pipe is arranged in the raw water inlet, and a water flow distributor is installed at the end of the water delivery pipe. The water flow distributor is arranged inside the sand bed, the upper end of the side wall of the purified water containing chamber is provided with a purified water discharge port, and the side wall of the purified water containing chamber is connected with an aqueduct, and the aqueduct It is connected with the dirty sand cleaning bin, the bottom of the dirty sand cleaning bin is provided with a sewage discharge port, and the side wall of the dirty sand cleaning bin is also provided with an outlet for transporting the cleaned sand to the sand throwing port. Mouth guide pipe.

Further, a glass window is provided between the dirty sand cleaning chamber and the sand bed.

Further, the power device for the sand guide pipe to transport the cleaned sand to the sand injection port is a transport pump.

Further, the diameter of the sand guide pipe near the end of the dirty sand cleaning chamber is larger than the diameter of the sand guide pipe near the end of the delivery pump.

Further, the water flow distributor is located at a position greater than two-thirds of the depth below the sand bed.

Further, the water conduit is provided with a valve for controlling the flow of purified water.

The utility model is a dynamic quicksand filter, which has the following advantages compared with the prior art:

First, in the dynamic quicksand filter, by reasonably controlling the opening and closing of the movable partition, the movable partition can serve as the side wall of the dirty sand cleaning bin during the dirty sand washing process, which is beneficial to the smooth implementation of the dirty sand cleaning operation ; After the cleaning is completed, the clean sand is transported to the sand injection port through the sand guide pipe and then enters the inside of the filter main body for recycling. After the cleaned sand is completely transported to the filter main body, the movable partition will be in an open state so as to re-accumulate the dirty sand to be cleaned to repeat the above cycle of cleaning and transporting. It can be seen that, because the sand material used for purification is recycled, the amount of sand material is almost constant except for a small amount of sand material adhered to the side wall of the equipment, so that the sand bed is always in a relatively fixed position. height, so that the purified water with the purification index kept within a relatively stable range can be obtained without adjusting the height position of the water flow distributor. The water used for cleaning the dirty sand is the purified water in the purified water holding chamber, and there is no need to design pipelines for external connection of other water sources. This design makes the operation steps of cleaning and reusing dirty sand simpler, and the filter main body and the dirty sand cleaning device are integrated into one, which has a simple structure, can save production costs, and is beneficial to popularization and use. In addition, since the water guide pipe and the sand guide pipe are both arranged outside the filter main body, this design provides convenience for equipment maintenance.

Second, a glass window is arranged between the dirty sand cleaning chamber and the sand bed in the dynamic quicksand filter. This design is mainly for the convenience of staff to monitor in real time the degree of contamination of the sand in the sand bed, the degree of cleanliness of the dirty sand, and the transportation of the sand after cleaning.

Thirdly, in the dynamic quicksand filter, the power device for the sand guide pipe to transport the cleaned sand to the sand injection port is a delivery pump. This design is mainly to provide sufficient power for the smooth delivery of the cleaned sand in the sand guide pipe. On the premise of providing sufficient power, the delivery pump also has the advantage of small size, so this design also has the advantage of saving equipment space occupancy.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure: 1. Raw water inlet, 2. Sand injection port, 3. Purified water holding chamber, 4. Sand bed, 5. Aqueduct, 6. Sewage sand cleaning chamber, 7. Sewage discharge outlet, 8. Sand guide pipe, 9. Purified water outlet, 10. Delivery pump.

detailed description

In order to better understand the utility model, the utility model will be further described below in conjunction with specific embodiments and accompanying drawings.

As shown in FIG. 1 , a dynamic quicksand filter includes a filter main body, and the filter main body is provided with a purified water chamber 3 , a sand bed 4 and a dirty sand cleaning chamber 6 sequentially from top to bottom. The boundary between the purified water chamber 3 and the sand bed 4 is the upper surface of the sand bed 4 . A movable partition is arranged between the sand bed 4 and the dirty sand cleaning bin 6, and the movable partition only separates the dirty sand cleaning bin 6 from the sand bed 4 during the recycling process of dirty sand cleaning. open.

The upper end of the filter body is provided with a raw water inlet 1 and a sand injection port 2, and a water delivery pipe is arranged in the raw water inlet 1, and a water flow distributor is installed at the end of the water delivery pipe, and the water flow distributor is arranged on the Sand bed 4 interior. The upper end of the side wall of the purified water containing chamber 3 is provided with a purified water discharge port 9 .

An aqueduct 5 is connected to the side wall of the purified water chamber 3 , and the aqueduct 5 communicates with the dirty sand cleaning bin 6 , and a sewage discharge port 7 is arranged at the bottom of the dirty sand cleaning bin 6 . A sand guide pipe 8 for transporting the cleaned sand to the sand injection port 2 is also arranged on the side wall of the dirty sand cleaning bin 6 .

By reasonably controlling the opening and closing of the movable partition, the movable partition can serve as the side wall of the dirty sand cleaning chamber 6 during the dirty sand washing process, thereby forming a closed space, which is beneficial to the smooth implementation of the dirty sand cleaning operation; After cleaning, the clean sand material is transported to the sand injection port 2 through the sand guide pipe 8 and then enters the inside of the filter main body for recycling.

The water used to clean the dirty sand is the purified water in the purified water holding chamber 3, and there is no need to design the external water source of the pipeline. This design makes the operation steps of cleaning and reusing dirty sand simpler, and the filter main body and the dirty sand cleaning device are integrated into one, which has a simple structure, can save production costs, and is beneficial to popularization and use. In addition, since the water guide pipe 5 and the sand guide pipe 8 are both arranged outside the filter main body, this design provides convenience for equipment maintenance.

A glass window is arranged between the dirty sand cleaning bin 6 and the sand bed 4 . This design is mainly for the convenience of staff to observe in real time the degree of contamination of the sand material in the sand bed 4, the degree of cleanliness of the dirty sand cleaning and the transportation of the sand material after cleaning.

The power device for the sand guide pipe 8 to transport the cleaned sand to the sand injection port 2 is a delivery pump 10 . This design is mainly to provide sufficient power for the smooth delivery of the cleaned sand material in the sand guide pipe 8 . The transfer pump 10 also has the advantage of small volume under the premise of providing sufficient power, so this design also has the advantage of saving equipment space occupancy. In addition, in order to further increase the conveying power of the sand material, multiple conveying pumps 10 can be installed.

In order to prevent the sand material from clogging up in the process of transporting and cleaning the sand material, the diameter of the sand guide pipe 8 near the end of the dirty sand cleaning chamber 6 is designed to be larger than the diameter of the sand guide pipe 8 near the end of the delivery pump 10. Sand guide pipe 8 pipe diameters.

In order to make full use of the purifying effect of the sand bed 4 , the water flow distributor is arranged at a position below two-thirds of the depth of the sand bed 4 . This design can extend the purification path of raw water and increase the purification time, thereby improving the purification effect.

In order to make the water flow velocity in the water guide pipe 5 well regulated, a valve for controlling the flow of purified water is provided in the water guide pipe 5 .

The embodiments of the present utility model have been described in detail above, but the content described is only a preferred embodiment of the present utility model, and cannot be considered as limiting the implementation scope of the present utility model. All equal changes and improvements made according to the scope of the present utility model should still belong to the scope covered by this patent.

Claims (6)

1. a kind of dynamic drift sand filter, it is characterised in that：Including filter body, the filter body is from top to bottom successively It is provided with purified water accommodating chamber (3), sand bed (4) and dirty husky cleaning storehouse (6), the purified water accommodating chamber (3) and the sand bed (4) boundary between is the upper surface of the sand bed (4), and work is provided between the sand bed (4) and dirty husky cleaning storehouse (6) Dynamic dividing plate, the active clapboard is only during dirty husky clean cycle is utilized by dirty husky cleaning storehouse (6) and the sand bed (4) Separate；The upper end of the filter body is provided with raw water entrance (1) and sand feeding port (2), the raw water entrance (1) and is provided with Water-supply-pipe, the end of the water-supply-pipe is provided with waterflow distributor, and the waterflow distributor is arranged on the sand bed (4) inside, The sidewall upper of the purified water accommodating chamber (3) is provided with purification water outlet (9), the side wall of the purified water accommodating chamber (3) Aqueduct (5) is externally connected to, the aqueduct (5) is connected with dirty husky cleaning storehouse (6), dirty husky cleaning storehouse (6) Bottom be provided with Sewage outlet (7), is additionally provided with outside the side wall of dirty husky cleaning storehouse (6) for that will clean what is finished Sand material, which is delivered to the sand feeding port (2), makes the training for sediment pipe (8) of sand material recycling.

2. dynamic drift sand filter according to claim 1, it is characterised in that：Dirty husky cleaning storehouse (6) and the sand Glass vision panel is provided between bed (4).

3. dynamic drift sand filter according to claim 1, it is characterised in that：Training for sediment pipe (8) the conveying cleaning is finished Sand material to the power set of the sand feeding port (2) are delivery pump (10).

4. dynamic drift sand filter according to claim 3, it is characterised in that：Close to described dirty husky cleaning storehouse (6) one end Training for sediment pipe (8) caliber be more than close to the delivery pump (10) one end training for sediment pipe (8) caliber.

5. dynamic drift sand filter according to claim 1, it is characterised in that：The waterflow distributor is located at the sand bed (4) depth below is more than 2/3rds position.

6. the dynamic drift sand filter according to any one in claim 1-5, it is characterised in that：The aqueduct (5) In be provided with for control purification water-carrying capacity valve.