阅读说明：本技术 一种淤泥筛分装置 (Silt screening plant ) 是由 黄伟 汪贵成 王福章 舒进超 姜亚秋 于 2021-10-12 设计创作，主要内容包括：本发明公开了一种淤泥筛分装置,包括方形壳体,所述方形壳体内部转动连接有筛分筒,所述筛分筒侧部为筛网结构,所述筛分筒底部连通有若干淤泥排放管；所述方形壳体对应所述筛分筒进料口的一端设置有进料缺口,所述筛分筒出料口的一端设置有出料缺口；所述筛分筒的进料口的一端连通有进料管；所述筛分筒的出料口下方设置有排料滑道；所述筛分筒内部设置有若干弧形搅片,所述弧形搅片上设置有若干三角形击打板。本发明采用上述结构的一种淤泥筛分装置,通过筛分筒将淤泥和杂质分离开,并能够通过三角形击打板对石头或者其他垃圾进行击打,使之黏连的淤泥掉落,提升了淤泥筛分的效果；具有结构简单,效率高的优点。(The invention discloses a sludge screening device which comprises a square shell, wherein a screening cylinder is rotatably connected inside the square shell, the side part of the screening cylinder is of a screen structure, and the bottom of the screening cylinder is communicated with a plurality of sludge discharge pipes; a feeding notch is formed in one end, corresponding to the feeding port of the screening cylinder, of the square shell, and a discharging notch is formed in one end, corresponding to the discharging port of the screening cylinder, of the screening cylinder; one end of the feed port of the screening cylinder is communicated with a feed pipe; a discharge slideway is arranged below a discharge port of the screening cylinder; a plurality of arc-shaped stirring pieces are arranged inside the screening barrel, and a plurality of triangular striking plates are arranged on the arc-shaped stirring pieces. According to the sludge screening device adopting the structure, sludge and impurities are separated through the screening cylinder, and stones or other garbage can be beaten through the triangular beating plate, so that the adhered sludge falls off, and the sludge screening effect is improved; has the advantages of simple structure and high efficiency.)

1. A sludge screening device comprises a square shell, wherein a screening barrel is rotatably connected inside the square shell, and the side part of the screening barrel is of a screen structure; a feeding notch is formed in one end, corresponding to the feeding port of the screening cylinder, of the square shell, and a discharging notch is formed in one end, corresponding to the discharging port of the screening cylinder, of the screening cylinder; one end of the feed port of the screening barrel is communicated with a feed pipe, and the feed pipe is communicated with an external sludge pump; a discharge slideway is arranged below a discharge port of the screening cylinder; a plurality of arc-shaped stirring pieces are arranged inside the screening barrel and used for stirring sludge to move in the screening barrel, a plurality of triangular beating plates are arranged on the arc-shaped stirring pieces, and openings of the triangular beating plates face the rotating direction of the screening barrel.

2. The sludge screening device as claimed in claim 1, wherein the side part of the screening cylinder is provided with a cleaning mechanism, the cleaning mechanism comprises C-shaped water guide pipes arranged at two ends of the screening cylinder, the side part of the C-shaped water guide pipes is communicated with an external water pipe, a plurality of water spray pipes are communicated among the C-shaped water guide pipes, and a plurality of water spray ports are arranged at the side part of the water spray pipes and point to the side part of the screening cylinder.

3. The sludge screening device according to claim 1, wherein two opposite inner walls of the square shell are provided with fixed square pipes, a plurality of cross beams are arranged between the fixed square pipes, the top of each cross beam is provided with a fixed frame, the top of each fixed frame is provided with a plurality of pairs of bearing fixed seats, bearings are arranged in the bearing fixed seats, a shaft rod is connected between each pair of bearings, the side part of the shaft rod is sleeved with a rotating roller, the side part of the screening cylinder is provided with rotating rings corresponding to the rotating rollers, and one side of each rotating ring, which is close to each other, is provided with an annular baffle; the side part of the square shell is provided with a plurality of rotating motors, rotating shafts of the rotating motors are connected with the shaft rods close to the square shell, and the rotating motors are used for providing power for rotating the sieving cylinder.

4. The sludge screening apparatus as claimed in claim 1, wherein a hopper is provided at the bottom of the square housing, and the sludge discharge pipe is communicated with the bottom of the hopper.

Technical Field

The invention relates to the technical field of river and lake treatment, in particular to a sludge screening device.

Background

The bottom of a river or a lake often has a large amount of silt, wherein contains a large amount of organic matters and abundant nutrient substances such as nitrogen, phosphorus, has important using value, and before the application, because silt is taken from the bottom of the river or the lake, so can be mingled with a large amount of stones or rubbish, and in the later sludge treatment process, need remove above-mentioned stones or rubbish in advance, so need a device that can sieve the silt and filter in urgent need to get rid of unnecessary impurity.

Disclosure of Invention

The invention aims to provide a sludge filtering device capable of removing stones or garbage.

In order to achieve the purpose, the invention provides a sludge screening device which comprises a square shell, wherein a screening cylinder is rotatably connected inside the square shell, the side part of the screening cylinder is of a screen structure, and the bottom of the screening cylinder is communicated with a plurality of sludge discharge pipes; a feeding notch is formed in one end, corresponding to the feeding port of the screening cylinder, of the square shell, and a discharging notch is formed in one end, corresponding to the discharging port of the screening cylinder, of the screening cylinder; one end of the feed port of the screening barrel is communicated with a feed pipe, and the feed pipe is communicated with an external sludge pump; a discharge slideway is arranged below a discharge port of the screening cylinder; a plurality of arc-shaped stirring pieces are arranged inside the screening barrel and used for stirring sludge to move in the screening barrel, a plurality of triangular beating plates are arranged on the arc-shaped stirring pieces, and openings of the triangular beating plates face the rotating direction of the screening barrel.

Preferably, the lateral part of the screening cylinder is provided with a cleaning mechanism, the cleaning mechanism comprises C-shaped water guide pipes arranged at two ends of the screening cylinder, the lateral part of each C-shaped water guide pipe is communicated with an external water pipe, a plurality of water spray pipes are communicated among the C-shaped water guide pipes, the lateral part of each water spray pipe is provided with a plurality of water spray ports, and the water spray ports point to the lateral part of the screening cylinder.

Preferably, fixed square pipes are arranged on two opposite inner walls of the square shell, a plurality of cross beams are arranged between the fixed square pipes, a fixed frame is arranged at the top of each cross beam, a plurality of pairs of bearing fixed seats are arranged at the top of the fixed frame, bearings are arranged in the bearing fixed seats, a shaft lever is connected between each pair of bearings, a rotating roller is sleeved on the side portion of the shaft lever, rotating rings are arranged at the positions, corresponding to the rotating rollers, of the side portions of the screening cylinder, and annular baffles are arranged on the sides, close to each other, of the two rotating rings; the side part of the square shell is provided with a plurality of rotating motors, rotating shafts of the rotating motors are connected with the shaft rods close to the square shell, and the rotating motors are used for providing power for rotating the sieving cylinder.

Preferably, a funnel is arranged at the bottom of the square shell, and the sludge discharge pipe is communicated with the bottom of the funnel.

Therefore, the silt screening device adopting the structure separates silt from impurities through the screening cylinder, and can hit stones or other garbage through the triangular hitting plate, so that the sticky silt falls off, and the effect of screening the silt is improved; has the advantages of simple structure and high efficiency.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic structural view of a sludge screening apparatus according to the present invention;

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

FIG. 3 is a schematic structural view of a screening drum of the sludge screening apparatus of the present invention;

fig. 4 is an enlarged schematic view of fig. 3 at B.

Reference numerals

1. A square housing; 2. a screening drum; 3. a sludge discharge pipe; 4. a feed gap; 5. a funnel; 6. a feed pipe; 7. a discharge chute; 8. arc-shaped stirring sheets; 9. a triangular striking plate; 10. a C-shaped aqueduct; 11. a water pipe; 12. a water spray pipe; 13. a water jet; 14. fixing the square tube; 15. a cross beam; 16. a fixed mount; 17. a bearing fixing seat; 18. a bearing; 19. a shaft lever; 20. a rotating roller; 21. rotating the ring; 22. an annular baffle; 23. the motor is rotated.

Detailed Description

The technical solution of the present invention is further illustrated by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Examples

FIG. 1 is a schematic structural view of a sludge screening apparatus according to the present invention; FIG. 2 is an enlarged schematic view at A in FIG. 1; FIG. 3 is a schematic structural view of a screening drum of the sludge screening apparatus of the present invention; FIG. 4 is an enlarged schematic view at B of FIG. 3; as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the sludge screening device of the present invention comprises a square housing 1, a screening drum 2 is rotatably connected inside the square housing 1, the side part of the screening drum 2 is of a screen structure, the bottom of the screening drum 2 is communicated with a plurality of sludge discharge pipes 3, more specifically, a funnel 5 is arranged at the bottom of the square housing 1, and the sludge discharge pipes 3 are communicated with the bottom of the funnel 5; a feeding notch 4 is formed in one end, corresponding to a feeding hole, of the screening cylinder 2 of the square shell 1, and a discharging notch is formed in one end of a discharging hole of the screening cylinder 2; one end of the feed port of the screening barrel 2 is communicated with a feed pipe 6, and the feed pipe 6 is communicated with an external sludge pump; a discharge slideway 7 is arranged below the discharge hole of the screening cylinder 2; a plurality of arc stirring pieces 8 are arranged inside the screening barrel 2 and used for stirring silt to move in the screening barrel 2, a plurality of triangular beating plates 9 are arranged on the arc stirring pieces 8, and openings of the triangular beating plates 9 face the rotating direction of the screening barrel 2.

The operation principle of the invention is that firstly the screening cylinder 2 is driven to rotate, sludge is pumped into the feeding pipe 6 by the sludge pump, the sludge enters into the screening cylinder 2 through the feeding pipe 6, the arc-shaped stirring sheets 8 in the screening cylinder 2 continuously push the sludge to move towards the discharge port of the screening cylinder 2, in the process, the sludge can fall into the bottom of the square shell 1 from the screen mesh at the side part of the screening cylinder 2 due to small particles, and residual stones and various wastes can continuously move forwards under the stirring of the arc-shaped stirring sheets 8 until the sludge is discharged from the discharge port of the screening cylinder 2; in the process, a large amount of sludge can be carried on large impurities such as stones and plastic bottles, the large impurities are beaten by the triangular beating plates 9 and fall off by beating the adhered sludge, the sludge falls into the bottom of the square shell 1 from the sieving cylinder 2, and the triangular beating plates 9 can also break the blocky sludge to prevent the blocky sludge from being carried out of a discharge hole of the sieving cylinder 2.

In order to guarantee that screening section of thick bamboo 2 can sieve for a long time high efficiency and filter silt, be provided with following structure:

the side part of the screening cylinder 2 is provided with a cleaning mechanism which is mainly used for backwashing the side part of the screening cylinder 2 so as to avoid the reduction of the screening effect caused by the blockage of a screen mesh at the side part, the cleaning mechanism comprises C-shaped water guide pipes 10 arranged at two ends of the screening cylinder 2, the side part of the C-shaped water guide pipes 10 is communicated with an external water pipe 11, a plurality of water spray pipes 12 are communicated between the C-shaped water guide pipes 10, the side part of each water spray pipe 12 is provided with a plurality of water spray ports 13, the water spray ports 13 point to the side part of the screening cylinder 2, the water pipe 11 is connected with an external water pump, the external water is pumped into the C-shaped water guide pipes 10 by the water pump, water flow enters the water spray pipes 12 from the C-shaped water guide pipes 10, the water spray ports 13 of the water spray pipes 12 spray high-pressure water flow to the screening cylinder 2, and impacts the screen mesh at the side part of the screening cylinder 2 through the high-pressure water flow, so as to back flush the sludge in the screen holes of the screen mesh into the interior of the screening cylinder 2.

Fixed square pipes 14 are arranged on two opposite inner walls of the square shell 1, a plurality of cross beams 15 are arranged between the fixed square pipes 14, fixed frames 16 are arranged at the tops of the cross beams 15, a plurality of pairs of bearing 18 fixed seats 17 are arranged at the tops of the fixed frames 16, bearings 18 are arranged in the bearing 18 fixed seats 17, a shaft rod 19 is connected between each pair of the bearings 18, a rotating roller 20 is sleeved on the side part of the shaft rod 19, rotating rings 21 are arranged at the positions, corresponding to the rotating roller 20, of the side part of the sieving cylinder 2, and annular baffles 22 are arranged on the sides, close to each other, of the two rotating rings 21; the side part of the square shell 1 is provided with a plurality of rotating motors 23, rotating shafts of the rotating motors 23 are connected with the shaft rods 19 close to the square shell 1, and the rotating motors 23 are used for providing power for rotating the sieving cylinder 2.

Therefore, the silt screening device adopting the structure separates silt from impurities through the screening cylinder, and can hit stones or other garbage through the triangular hitting plate, so that the sticky silt falls off, and the effect of screening the silt is improved; has the advantages of simple structure and high efficiency.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.