Sand-water separator

Abstract

The utility model discloses a sand-water separator, which relates to the technical field of sewage treatment and comprises a water tank, a U-shaped groove is fixedly mounted on the water tank, the water tank is communicated with the inside of the U-shaped groove, a shaftless screw is rotatably mounted in the U-shaped groove, a crushing component is mounted on the water tank and comprises a crushing box, the crushing box is fixedly mounted on the water tank, and the shaftless screw is rotatably mounted in the U-shaped groove. The crushing box communicates with the interior of the water tank, a water inlet pipe is fixedly installed at the top end of the crushing box, two symmetrically-distributed crushing rollers are rotationally installed in the crushing box, two gears meshed with each other are rotationally installed on one side of the crushing box, and a second motor is fixedly installed on one side of the crushing box; and the output end of the second motor is fixedly connected with one end of a center shaft of one crushing roller, and the crushing assembly is arranged and used for crushing large-particle gravel in sand-water mixed liquid into small-particle gravel, so that the situation that the large-particle gravel is accumulated to block an opening of the U-shaped groove, and the sand outlet effect is affected can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sand-water separator. Background Art

[0002] The utility model with the existing application number 202322644912.X discloses a sand-water separator, including a U-shaped groove, one side of the U-shaped groove is connected to a driving device, and the other side of the U-shaped groove is placed at the bottom of a water tank. A U-shaped lining is fixedly provided at the bottom of the U-shaped groove, and a shaftless spiral is provided on the top of the U-shaped lining. The shaftless spiral is fixedly arranged inside the U-shaped groove, a water inlet pipe is provided on the top of the water tank, a drain pipe is provided on the right side of the water inlet pipe, a fixed plate is provided inside the water tank, and a guide plate is obliquely arranged on the fixed plate. The utility model adopts the above-mentioned sand-water separator, which not only effectively reduces the impact of the sand-water mixture on the shaftless spiral blades and improves the service life of the sand-water separator, but also can realize the rapid replacement of the lining at the bottom of the U-shaped groove, thereby improving work efficiency.

[0003] Although the sand-water separator in this comparative case effectively reduces the impact of the sand-water mixture on the shaftless spiral blades, increases the service life of the sand-water separator, and can realize the rapid replacement of the bottom lining of the U-shaped trough to improve work efficiency, the device does not have a structure for crushing larger sand and gravel particles. The larger sand and gravel particles in the sand-water mixture are easily accumulated and blocked the opening of the U-shaped trough, affecting the sand discharge effect. In view of the above problems, the inventor proposes a sand-water separator to solve the above problems. Utility Model Content

[0004] In order to solve the problem that the existing sand and water separators are not equipped with a structure for crushing larger sand and gravel particles, and the larger sand and gravel particles in the sand and water mixture are easily accumulated to block the opening of the U-shaped groove, thus affecting the sand discharge effect; the purpose of the utility model is to provide a sand and water separator.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a sand-water separator, comprising a water tank, a U-shaped groove is fixedly installed on the water tank, and the water tank and the U-shaped groove are connected, a shaftless screw is rotatably installed in the U-shaped groove, a crushing assembly is installed on the water tank, the crushing assembly comprises a crushing box, and the crushing box is fixedly installed on the water tank, and the crushing box is connected to the inside of the water tank, a water inlet pipe is fixedly installed on the top of the crushing box, and the water inlet pipe is connected to the inside of the crushing box, two symmetrically distributed crushing rollers are rotatably installed in the crushing box, two mutually meshing gears are rotatably installed on one side of the crushing box, and the center of the gear is fixedly connected to one end of the central axis of the corresponding crushing roller, a second motor is fixedly installed on one side of the crushing box, and the output end of the second motor is fixedly connected to one end of the central axis of one of the crushing rollers, two guide plates distributed in mirror image are fixedly installed in the crushing box, and the guide plates are inclined above the crushing rollers.

[0006] Preferably, a drainage assembly is installed in the water tank, the drainage assembly includes a drainage pipe, the drainage pipe is fixedly installed on the water tank, and the drainage pipe is connected to the inside of the water tank. A floating block is slidably installed in the water tank, a telescopic hose is fixedly installed on the floating block, and the top end of the telescopic hose is fixedly connected to the bottom end of the drainage pipe.

[0007] Preferably, a first motor is fixedly installed at one end of the U-shaped groove, and the output end of the first motor is fixedly connected to one end of the shaftless spiral, a wear-resistant lining is fixedly installed in the U-shaped groove, and the outer ring of the shaftless spiral contacts the inner ring of the wear-resistant lining, a sand outlet is fixedly installed at one end of the U-shaped groove close to the first motor, and a drain valve is fixedly installed at one end of the U-shaped groove away from the first motor, and the sand outlet and the drain valve are evenly connected inside the U-shaped groove.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] 1. In the utility model, a crushing assembly is provided to crush the larger sand and gravel in the sand-water mixture into smaller sand and gravel, thereby preventing the larger sand and gravel from accumulating and blocking the opening of the U-shaped trough, thus affecting the sand discharge effect;

[0010] 2. In the utility model, by setting a drainage component, the separated sewage is discharged through the telescopic hose and the drainage pipe, and the floating block can drive the telescopic hose to expand and contract according to the height of the liquid level in the water tank, thereby improving the drainage efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 This is a schematic diagram of the overall front structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the overall back structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the internal structure of the water tank and U-shaped trough of the utility model;

[0015] Figure 4 This is a schematic diagram of the internal structure of the crushing box of the utility model.

[0016] In the figure: 1-water tank; 2-U-shaped groove; 21-sand outlet; 22-drain valve; 3-first motor; 4-crushing assembly; 41-crushing box; 42-water inlet pipe; 43-gear; 44-second motor; 45-crushing roller; 46-guide plate; 5-shaftless spiral; 6-wear-resistant lining; 7-drainage assembly; 71-drainage pipe; 72-telescopic hose; 73-floating block. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example:

[0019] like Figures 1 to 4 As shown, the utility model provides a sand-water separator, including a water tank 1, a U-shaped groove 2 is fixedly installed on the water tank 1, and the water tank 1 and the U-shaped groove 2 are internally connected, a shaftless screw 5 is rotatably installed in the U-shaped groove 2, a crushing assembly 4 is installed on the water tank 1, and the crushing assembly 4 includes a crushing box 41, and the crushing box 41 is fixedly installed on the water tank 1, and the crushing box 41 is connected to the inside of the water tank 1, a water inlet pipe 42 is fixedly installed on the top of the crushing box 41, and the water inlet pipe 42 is connected to the inside of the crushing box 41, two symmetrically distributed crushing rollers 45 are rotatably installed in the crushing box 41, two mutually meshing gears 43 are rotatably installed on one side of the crushing box 41, and the center of the gear 43 is fixedly connected to one end of the central axis of the corresponding crushing roller 45, and the crushing roller 45 is rotatably installed in the crushing box 41. A second motor 44 is fixedly installed on one side of the box 41, and the output end of the second motor 44 is fixedly connected to one end of the central axis of one of the crushing rollers 45. Two guide plates 46 with mirror distribution are fixedly installed in the crushing box 41, and the guide plates 46 are located above the crushing rollers 45 and are inclined, so that the sand-water mixture enters the crushing box 41 from the water inlet pipe 42. The second motor 44 and the gear 43 are used to drive the two crushing rollers 45 to rotate synchronously in opposite directions, so that the larger sand and gravel particles in the sand-water mixture can be crushed into small sand and gravel particles, which is convenient for subsequent sand discharge. The crushed sand-water mixture flows into the water tank 1. Due to the action of gravity, the sand and gravel sink to the bottom of the water tank 1, and are lifted up and separated from the liquid surface of the water tank 1 along the U-shaped groove 2 under the push of the shaftless screw 5.

[0020] See also Figure 3A drainage assembly 7 is installed in the water tank 1. The drainage assembly 7 includes a drainage pipe 71. The drainage pipe 71 is fixedly installed on the water tank 1 and communicated with the inside of the water tank 1. A floating block 73 is slidably installed in the water tank 1. A telescopic hose 72 is fixedly installed on the floating block 73, and the top of the telescopic hose 72 is fixedly connected to the bottom of the drainage pipe 71. By adopting the above technical solution, the separated sewage is discharged through the telescopic hose 72 and the drainage pipe 71, and the floating block 73 can drive the telescopic hose 72 to expand and contract according to the height of the liquid level in the water tank 1, thereby improving the drainage efficiency.

[0021] See also Figure 1 and Figure 3 , a first motor 3 is fixedly installed at one end of the U-shaped groove 2, and the output end of the first motor 3 is fixedly connected to one end of the shaftless screw 5, a wear-resistant lining plate 6 is fixedly installed in the U-shaped groove 2, and the outer ring of the shaftless screw 5 contacts the inner ring of the wear-resistant lining plate 6, a sand outlet 21 is fixedly installed at one end of the U-shaped groove 2 close to the first motor 3, and a vent valve 22 is fixedly installed at one end of the U-shaped groove 2 away from the first motor 3, and the sand outlet 21 and the vent valve 22 are evenly connected inside the U-shaped groove 2. By adopting the above technical solution, the first motor 3 is used to drive the shaftless screw 5 to rotate, and the sand and gravel are discharged through the sand outlet 21.

[0022] Working principle of the present application: When the present invention is in use, the sand-water mixture is first allowed to enter the crushing box 41 from the water inlet pipe 42, and the second motor 44 and the gear 43 are used to drive the two crushing rollers 45 to rotate synchronously in opposite directions, so that the larger sand and gravel particles in the sand-water mixture can be crushed into small sand and gravel particles, which is convenient for subsequent sand discharge. The crushed sand-water mixture flows into the water tank 1. Due to the effect of gravity, the sand and gravel sink to the bottom of the water tank 1. The first motor 3 is used to drive the shaftless screw 5 to rotate. Under the push of the shaftless screw 5, the sand and gravel are lifted along the U-shaped groove 2 and separated from the liquid surface of the water tank 1, and discharged through the sand outlet 21. The separated sewage is discharged through the telescopic hose 72 and the drain pipe 71, and the floating block 73 can drive the telescopic hose 72 to extend and retract according to the height of the liquid level in the water tank 1, thereby improving the drainage efficiency.

[0023] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A sand-water separator, comprising a water tank (1), characterized in that: A U-shaped groove (2) is fixedly mounted on the water tank (1), and the water tank (1) and the U-shaped groove (2) are internally connected. A shaftless screw (5) is rotatably mounted in the U-shaped groove (2). A crushing assembly (4) is mounted on the water tank (1), and the crushing assembly (4) comprises a crushing box (41), and the crushing box (41) is fixedly mounted on the water tank (1), and the crushing box (41) is internally connected to the water tank (1). A water inlet pipe (42) is fixedly mounted on the top of the crushing box (41), and the water inlet pipe (42) is internally connected to the crushing box (41). Two symmetrically distributed crushing rollers (45) are rotatably mounted in the crushing box (41), and two mutually meshing gears (43) are rotatably mounted on one side of the crushing box (41), and the center of the gear (43) is fixedly connected to one end of the central axis of the corresponding crushing roller (45).

2. A sand-water separator as claimed in claim 1, characterized in that: A second motor (44) is fixedly mounted on one side of the crushing box (41), and an output end of the second motor (44) is fixedly connected to one end of the central axis of one of the crushing rollers (45).

3. A sand-water separator as claimed in claim 1, characterized in that: Two guide plates (46) distributed in a mirror image are fixedly installed in the crushing box (41), and the guide plates (46) are located above the crushing roller (45) and are inclined.

4. A sand-water separator as claimed in claim 1, characterized in that: A drainage assembly (7) is installed in the water tank (1), and the drainage assembly (7) comprises a drainage pipe (71). The drainage pipe (71) is fixedly installed on the water tank (1), and the drainage pipe (71) is in communication with the interior of the water tank (1).

5. A sand-water separator as claimed in claim 1, characterized in that: A floating block (73) is slidably mounted in the water tank (1), a telescopic hose (72) is fixedly mounted on the floating block (73), and the top end of the telescopic hose (72) is fixedly connected to the bottom end of the drain pipe (71).

6. A sand-water separator as claimed in claim 1, characterized in that: A first motor (3) is fixedly mounted on one end of the U-shaped groove (2), and an output end of the first motor (3) is fixedly connected to one end of the shaftless screw (5).

7. A sand-water separator as claimed in claim 1, characterized in that: A wear-resistant lining plate (6) is fixedly installed in the U-shaped groove (2), and the outer ring of the shaftless spiral (5) is in contact with the inner ring of the wear-resistant lining plate (6).

8. A sand-water separator as claimed in claim 1, characterized in that: A sand outlet (21) is fixedly mounted on one end of the U-shaped groove (2) close to the first motor (3), and a drain valve (22) is fixedly mounted on one end of the U-shaped groove (2) away from the first motor (3), and the sand outlet (21) and the drain valve (22) are evenly connected to the inside of the U-shaped groove (2).

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