Automatic discharging sand setting disc

Abstract

The utility model relates to an automatic discharging sand setting disc. The cyclone desilting device solves the problems that slurry and slag in sand in a cyclone desilting device in the prior art have a certain probability to settle at the same time, and the slag discharging cleanliness is difficult to guarantee. The sand setting disc comprises a sand setting disc body, a sand guide pipe is arranged at the lower end of the sand setting disc body, a layered slag guide structure is arranged on the circumferential outer side of the sand setting disc body, annular slurry discharging outer cavities which correspond to the layered slag guide structure and are communicated with the layered slag guide structure are formed in the circumferential inner side of the sand guide pipe, and the layered slag guide structure is communicated with the circumferential inner side of the sand setting disc body in a layered mode. A spiral sand guide assembly is arranged on the circumferential inner side of the sand setting disc body, the lower end of the sand setting disc body communicates with a slag guide inner cavity in the circumferential inner side of the sand guide pipe, and a water receiving hole used for being connected into an external balance water pipe is formed in the sand guide pipe. The device disclosed by the utility model has the advantages that the deslagging effect is good, fibers and sand grains can be better separated by adding balance water, the deslagging quantity is reduced, the deslagging rate is reduced, and the recycling rate of slurry is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field, concretely relates to a kind of automatic discharge sand trap. BACKGROUND

[0002] At present in water conservancy project, in order to guarantee water quality, sand in water quality needs to be removed, and cyclone sand setting device needs to be used when removing sand, and the existing cyclone sand setting device is driven by water flow and sand by vortex driving device when being used, sand falls under the action of centrifugal force and gravity, to achieve the effect of sand setting, and due to the need of vortex driving device to adjust speed during operation, which leads to the situation that sand rises, part of sand rises to the middle of sand setting device, causing the situation of reducing sand setting efficiency;In addition, during sand setting process, slurry and residue in sand material have a certain probability to settle simultaneously, it is difficult to guarantee the cleanliness of residue discharge, thereby causing slurry loss and the rise of water treatment COD, increasing the difficulty of sewage treatment.

[0003] In order to solve the problems existing in the prior art, people have carried out long-term exploration and put forward various kinds of solutions. For example, the patent literature of China discloses a cyclone sand setting device for water conservancy project [CN202223151977.2], which comprises a sand setting barrel with a sand hopper centrally constructed at the bottom, a sand setting chamber and a storage chamber are respectively formed in the sand setting barrel and the sand hopper, the sand setting chamber and the storage chamber are connected, and a backflow prevention structure is detachably installed at the connection position of the sand setting chamber and the storage chamber, the backflow prevention structure comprises a funnel-shaped ring plate with a ring-shaped sealing edge arranged in the sand setting chamber, the bottom of the funnel-shaped ring plate is arranged in the storage chamber and is constructed with a discharge pipe, the outer side of the ring-shaped sealing edge is constructed with a magnetic attraction plate which can be magnetically attracted to the inner wall of the sand setting barrel, the valve body two is fixedly installed on the outer edge surface of the discharge pipe, the inner wall of the top of the sand setting barrel is annularly arrayed with an accommodating plate, and the top of the sand setting barrel is detachably installed with a cover plate.

[0004] The above-mentioned scheme solves the problem of reducing the sand setting efficiency of the cyclone sand setting device to some extent, but the scheme still has many deficiencies, for example: the slurry and residue in the sand material have a certain probability to settle simultaneously, it is difficult to guarantee the cleanliness of residue discharge, which is easy to cause slurry loss and the rise of water treatment COD, increasing the difficulty of sewage treatment. SUMMARY

[0005] The utility model aims at the above problem, and provides a kind of automatic discharge sand trap.

[0006] To achieve the above object, the utility model discloses the following technical scheme: an automatic discharging sand trap, including sand trap main part, sand trap main part lower extreme is equipped with the sand guide pipe, sand trap main part circumferential outside is equipped with the layered slag guide structure, the sand guide pipe circumferential inside is equipped with the annular slurry discharge outer chamber that is correspondingly arranged with the layered slag guide structure and is mutually communicated, and the layered slag guide structure is communicated with sand trap main part circumferential inside layer by layer, and sand trap main part circumferential inside is equipped with the helical sand guide subassembly, and the sand guide pipe upper is equipped with the water inlet hole for connecting the external balance water pipe and is mutually communicated with the slag guide inner chamber of sand guide pipe circumferential inside.

[0007] In the above-mentioned automatic discharging sand trap, the sand trap main part circumferential outside is equipped with the connecting hole for connecting the sand discharger of sand remover and the suction hole for discharging slurry.

[0008] In the above-mentioned automatic discharging sand trap, the layered slag guide structure includes the sand guide frame body arranged in the sand trap main part circumferential outside, the sand guide frame body is equipped with the sand filter chamber between sand trap main part circumferential, and the sand filter chamber is sequentially equipped with a plurality of separation parts from top to bottom, and the filter screen is arranged between the separation parts.

[0009] In the above-mentioned automatic discharging sand trap, the connecting hole and the uppermost side of the sand filter chamber are mutually communicated, and the adjacent two separation parts are mutually communicated with the sand trap main part circumferential inside through the slag inlet.

[0010] In the above-mentioned automatic discharging sand trap, the sand guide pipe includes the sand guide inner tube, the sand guide inner tube circumferential outside is equipped with the slag discharge outer tube, the annular slurry discharge outer chamber is formed between the sand guide inner tube and the slag discharge outer tube, and the slag guide inner chamber is formed in the sand guide inner tube circumferential inside.

[0011] In the above-mentioned automatic discharging sand trap, the annular slurry discharge outer chamber is connected with the corresponding sand filter chamber through the slag guide pipe.

[0012] In the above-mentioned automatic discharging sand trap, the upper end of the sand guide pipe is equipped with the upper on-off valve at the sand trap main part connection, and the slag discharge port of the lower end of the sand guide pipe is equipped with the lower on-off valve.

[0013] In the above-mentioned automatic discharging sand trap, the water inlet hole includes the water inlet inner hole that is mutually communicated with the slag guide inner chamber and the water inlet outer hole that is mutually communicated with the annular slurry discharge outer chamber.

[0014] In the above-mentioned automatic discharging sand trap, the helical sand guide subassembly includes the helical conveying rod that is axially arranged in the sand trap main part, and the conveying blade of the helical conveying rod is equipped with the material leakage mesh.

[0015] In the above-mentioned automatic discharging sand trap, the bottom of the helical conveying rod and the discharge port at the lower end of the sand trap main part are equipped with the annularly arranged one-way permeable screen.

[0016] Compared with the prior art, the advantages of the automatic discharging sand setting disc lie in that the slurry can be effectively separated, the slag and the slurry are filtered and separated, the slag is effectively discharged, the fiber and the sand particles are better separated by adding the balance water, the slag discharge amount is reduced, the slag discharge rate is reduced, and the recycling rate of the slurry is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the overall structure schematic diagram of the utility model;

[0018] Figure 2 is the sand setting disc main body sectional view in the utility model;

[0019] Figure 3 is the guide slag pipe position arrangement schematic diagram in the utility model;

[0020] Figure 4 is the sand guide pipe sectional view in the utility model;

[0021] In the drawing: sand setting disc main body 1, connecting hole 11, suction hole 12, sand guide pipe 2, annular slurry discharge outer cavity 21, guide slag pipe 211, guide slag inner cavity 22, water receiving hole 23, water receiving inner hole 231, water receiving outer hole 232, sand guide inner pipe 24, slag discharge outer pipe 25, upper on-off valve 26, lower on-off valve 27, layered guide slag structure 3, sand guide frame body 31, sand filtering cavity 32, separation part 33, filter material net 34, slag inlet 35, spiral sand guide assembly 4, spiral conveying rod 41, material leakage mesh 42, one-way permeable filter screen 43. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0023] As Figures 1-4 Indicated, an automatic discharging sand setting disc, including sand setting disc main body 1, sand setting disc main body 1 lower end is equipped with sand guide pipe 2, sand setting disc main body 1 circumferential outside is equipped with layered guide slag structure 3, sand guide pipe 2 circumferential inside is equipped with with layered guide slag structure 3 corresponding setting and mutually communicating annular slurry discharge outer cavity 21, and layered guide slag structure 3 and sand disc main body circumferential inside layered communication, and sand setting disc main body 1 circumferential inside is equipped with spiral sand guide assembly 4, sand setting disc main body 1 lower end and sand guide pipe 2 circumferential inside's guide slag inner cavity 22 mutually communicate, and sand guide pipe 2 is equipped with water receiving hole 23 for accessing external balance water pipe.

[0024] Wherein, sand setting disc main body 1 circumferential outside is equipped with for accessing sand remover sand discharge pipe's connecting hole 11 and for discharging slurry's suction hole 12.

[0025] Connecting hole 11 is set to tangential position of sand setting disc main body 1 circumferential outside, and suction hole 12 is used to suck backflowing slurry and recycle.

[0026] Obviously, the layered slag guide structure 3 comprises a slag guide frame 31 arranged outside the circumference of the sand pan body 1, and a sand filtering cavity 32 is arranged between the circumference of the sand pan body 1 and the slag guide frame 31, and the sand filtering cavity 32 is sequentially provided with a plurality of partition portions 33 from top to bottom, and a filter screen 34 is arranged between the partition portions 33.

[0027] As can be seen, the connecting hole 11 is in communication with the uppermost side of the sand filtering cavity 32, and the adjacent two partition portions 33 are in communication with the inner side of the circumference of the sand pan body 1 through the slag inlet 35.

[0028] The sand material enters the sand filtering cavity 32 through the connecting hole 11, the slurry in the sand material passes through the filter screen 34 and flows into the annular slurry discharge outer cavity 21 from the slag guide pipe 211, and the slag in the sand material enters the sand pan body 1 through the slag inlet 35.

[0029] Further, the slag guide pipe 2 comprises a slag guide inner pipe 24, and a slag discharge outer pipe 25 is arranged outside the circumference of the slag guide inner pipe 24, the annular slurry discharge outer cavity 21 is formed between the slag guide inner pipe 24 and the slag discharge outer pipe 25, and a slag guide inner cavity 22 is formed inside the circumference of the slag guide inner pipe 24.

[0030] In detail, the annular slurry discharge outer cavity 21 is connected with the corresponding sand filtering cavity 32 through the slag guide pipe 211.

[0031] The annular slurry discharge outer cavity 21 is used for guiding the slurry out, and the slag guide inner cavity 22 is used for guiding the slag in the sand pan body 1 out.

[0032] Further, the upper end of the slag guide pipe 2 is provided with an upper on-off valve 26 at the connection with the sand pan body 1, and the slag discharge port of the lower end of the slag guide pipe 2 is provided with a lower on-off valve 27.

[0033] The lower on-off valve 27 is used for opening and closing the annular slurry discharge outer cavity 21, and the upper on-off valve 26 is used for opening and closing the slag guide inner cavity 22.

[0034] Specifically, the water receiving hole 23 comprises a water receiving inner hole 231 in communication with the slag guide inner cavity 22 and a water receiving outer hole 232 in communication with the annular slurry discharge outer cavity 21.

[0035] More specifically, the spiral slag guide assembly 4 comprises a spiral conveying rod 41 arranged axially in the sand pan body 1, and a material leakage screen hole 42 is arranged on the conveying blade of the spiral conveying rod 41.

[0036] In addition, the spiral conveying rod 41 is provided with a one-way permeable filter screen 43 arranged in a ring shape at the bottom of the spiral conveying rod 41 and at the discharge port of the lower end of the sand pan body 1.

[0037] The one-way permeable filter screen 43 is used for the backflow of the slurry latex after water balance and forms a one-way barrier to the slag.

[0038] In summary, the principle of the embodiment is that, in use, the desander discharge pipe enters the uppermost filter sand chamber 32 from the tangential position of the sand trap main body 1 through the connecting hole 11, the slurry passes through the filter material net 34 and enters the annular slurry discharge outer chamber 21 through the slag guide pipe 211, the balance water is added through the water connection outer hole 232, the lower on-off valve 27 is opened, the slurry is discharged from the bottom of the sand guide pipe 2 for recycling; the slag enters the sand trap main body 1 through the slag inlet 35, and is spirally downward through the spiral sand guide assembly 4, the upper on-off valve 26 is opened, the slag is guided to the slag guide inner chamber 22, at this time, the balance water is added through the water connection inner hole 231 to make the slurry return to the sand trap main body 1, and the slurry is recycled by being sucked out through the suction hole 12, and the slag in the slag guide inner chamber 22 sinks due to its own gravity and is discharged from the bottom of the sand guide pipe 2.

[0039] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

[0040] Although the terms such as sand trap main body 1, connecting hole 11, suction hole 12, sand guide pipe 2, annular slurry discharge outer chamber 21, slag guide pipe 211, slag guide inner chamber 22, water connection hole 23, water connection inner hole 231, water connection outer hole 232, sand guide inner pipe 24, slag discharge outer pipe 25, upper on-off valve 26, lower on-off valve 27, layered slag guide structure 3, sand guide frame 31, filter sand chamber 32, separation part 33, filter material net 34, slag inlet 35, spiral sand guide assembly 4, spiral conveying rod 41, material leakage net hole 42, one-way permeable filter screen 43 are used more frequently herein, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present application; any kind of additional limitation by interpreting them is contrary to the spirit of the present application.

Claims

1. An automatic discharge grit chamber, comprising a grit chamber body (1), the lower end of which is provided with a grit guide pipe (2), characterized in that, The sand setting disc body (1) is provided with a layered slag guide structure (3) on the outer side, the sand guide pipe (2) is provided with an annular slurry discharge outer cavity (21) corresponding to the layered slag guide structure (3) and communicating with each other on the inner side, the layered slag guide structure (3) is in layered communication with the inner side of the sand setting disc body, the sand setting disc body (1) is provided with a spiral sand guide assembly (4) on the inner side, the lower end of the sand setting disc body (1) is in communication with the slag guide inner cavity (22) on the inner side of the sand guide pipe (2), and the sand guide pipe (2) is provided with a water inlet hole (23) for connecting an external balance water pipe.

2. An automatic effluent grit chamber according to claim 1, wherein, The sand setting disc body (1) is provided with a connection hole (11) for connecting a sand discharger of a sand remover and a suction hole (12) for discharging slurry.

3. An automatic effluent grit chamber according to claim 2, wherein, The layered slag guide structure (3) comprises a sand guide frame (31) provided on the outer side of the sand setting disc body (1), the sand guide frame (31) is provided with a sand filtering cavity (32) between the outer side of the sand setting disc body (1), and a plurality of separation portions (33) are sequentially provided in the sand filtering cavity (32) from top to bottom, and a filtering screen (34) is provided between the separation portions (33).

4. An automatic effluent grit chamber according to claim 3, wherein, The connection hole (11) is in communication with the uppermost side of the sand filtering cavity (32), and the adjacent two separation portions (33) are in communication with the inner side of the sand setting disc body (1) through a slag inlet (35).

5. An automatic effluent grit chamber according to claim 4, wherein, The sand guide pipe (2) comprises a sand guide inner pipe (24), the sand guide inner pipe (24) is provided with a slag discharge outer pipe (25) on the outer side, the annular slurry discharge outer cavity (21) is formed between the sand guide inner pipe (24) and the slag discharge outer pipe (25), and the slag guide inner cavity (22) is formed on the inner side of the sand guide inner pipe (24).

6. An automatic effluent grit chamber according to claim 5, wherein, The annular slurry discharge outer cavity (21) is connected with the corresponding sand filtering cavity (32) through a slag guide pipe (211).

7. An automatic effluent grit chamber according to claim 1 wherein, The upper end of the sand guide pipe (2) is provided with an upper on-off valve (26) at the connection position with the sand setting disc body (1), and the slag discharge port of the lower end of the sand guide pipe (2) is provided with a lower on-off valve (27).

8. An automatic effluent grit chamber according to claim 1 wherein, The water inlet hole (23) comprises a water inlet inner hole (231) in communication with the slag guide inner cavity (22) and a water inlet outer hole (232) in communication with the annular slurry discharge outer cavity (21).

9. An automatic effluent grit chamber according to claim 1 wherein, The spiral sand guide assembly (4) comprises a spiral conveying rod (41) axially arranged in the sand setting disc body (1), and a material leakage screen hole (42) is arranged on the conveying blade of the spiral conveying rod (41).

10. An automatic effluent grit chamber according to claim 9, wherein, The bottom of the spiral conveying rod (41) is provided with a one-way permeable screen (43) arranged in a ring shape at the discharge port of the lower end of the sand setting disc body (1).

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