Settling device for micro-plastic detection

Abstract

The utility model relates to the technical field of sedimentation equipment, and discloses a sedimentation device for micro-plastic detection, which comprises a sedimentation cylinder and a separation box, the top of the sedimentation cylinder is fixedly provided with a fixed box, and the top wall of the sedimentation cylinder is fixedly provided with a liquid inlet pipe in front of the fixed box; an acceleration assembly for accelerating micro-plastic sedimentation is arranged on the sedimentation barrel and the fixed box and comprises a hydraulic cylinder, a movable plate, a movable shaft, a variable gear, a motor, a centrifugal shaft, a driving gear and a spiral piece. According to the sedimentation device for micro-plastic detection, after an acceleration assembly is used, under starting of a motor and mutual meshing of the three speed change gears, the three speed change gears rotate at the normal speed, the high speed and the high speed correspondingly, and the three speed change gears with the different rotating speeds are driven to be meshed with a driving gear correspondingly in cooperation with stretching and retracting of a hydraulic cylinder; and therefore, the spiral sheet jumps from the normal speed to the higher speed and then to the high speed, and the sedimentation of the micro-plastic is accelerated due to the increase of the centrifugal speed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sedimentation equipment, in particular to a sedimentation device for microplastic detection. BACKGROUND

[0002] Plastic products enter the ocean, rivers, lakes, under the action of waves, sand, etc., plastic products are broken into dozens of microns to several millimeters in diameter small particles, namely microplastic particles, simply called microplastics, microplastics as a new type of pollutant widely exist in the environment, and the analysis method of microplastics in sediments needs to be developed.

[0003] The existing sedimentation device for microplastic detection adopts the method of starting the motor to make the impeller connected with the motor output shaft rotate, so that the centrifugal force generated by the rotation of the impeller makes the microplastics in the liquid sediment, but the speed of the centrifugal rotation of the motor driven impeller is constant, and the sedimentation of microplastics is accelerated with the increase of the centrifugal speed, obviously, the constant centrifugal rotation cannot realize this function, therefore, a sedimentation device for microplastic detection is proposed. SUMMARY

[0004] In view of the defects of the prior art, the utility model provides a sedimentation device for microplastic detection, which has the advantages of accelerating the sedimentation of microplastics.

[0005] In order to realize the above-mentioned purpose of accelerating the sedimentation of microplastics, the utility model provides the following technical scheme: a sedimentation device for microplastic detection, comprising a sedimentation cylinder and a separation box, a fixed box is fixedly installed at the top of the sedimentation cylinder, a liquid inlet pipe is fixedly installed on the top wall of the sedimentation cylinder and in front of the fixed box, an acceleration assembly for accelerating the sedimentation of microplastics is arranged on the sedimentation cylinder and the fixed box;

[0006] The acceleration assembly comprises a hydraulic cylinder, a movable plate, a movable shaft, a variable speed gear, a motor, a centrifugal shaft, a driving gear and a spiral blade, the hydraulic cylinder is fixedly installed on the side wall of the fixed box, the movable plate is fixedly installed on the output end of the hydraulic cylinder, the movable shaft is rotatably connected to the top of the movable plate, the variable speed gear is fixedly installed on the outer surface of the movable shaft, the motor is fixedly installed on the movable plate, the output shaft of the motor is fixedly installed with one of the movable shafts, the centrifugal shaft is rotatably connected to the top wall of the sedimentation cylinder, the driving gear is fixedly installed on the top of the centrifugal shaft, the spiral blade is fixedly installed on the outer surface of the centrifugal shaft, and the driving gear is engaged with the variable speed gear.

[0007] Further, the liquid inlet pipe is communicated with the inner cavity of the fixed box, the number of the movable shaft and the variable speed gear is three, the number of teeth of the variable speed gear decreases in turn, the driving gear is located in the interior of the fixed box, and the spiral blade is located in the interior of the sedimentation cylinder.

[0008] Further, the inner bottom wall of the fixed box is fixedly provided with a sliding rail in sliding connection with a movable plate, the top of the movable plate is fixedly provided with a support plate fixedly provided with a motor, and the support plate is in the shape of inverted L.

[0009] Further, the bottom wall of the settling cylinder is fixedly provided with a drainage pipe in communication with the inner cavity of the settling cylinder, and the outer surface of the drainage pipe is provided with an on-off valve.

[0010] Further, the separation assembly is arranged on the separation box and comprises a filter plate and a hanging rod, the filter plate is inserted into the inner wall of the separation box, the hanging rod is fixedly arranged on the top of the filter plate, the hanging rod is inserted into the side wall of the separation box, and the hanging rod is in the shape of inverted L.

[0011] Compared with the prior art, the micro-plastic detection settling device has the following beneficial effects:

[0012] The micro-plastic detection settling device is provided with an acceleration assembly, and after use of the acceleration assembly, under the starting of the motor and the mutual meshing of the three variable speed gears, the three variable speed gears rotate at normal speed, higher speed and high speed respectively, and cooperate with the extension and retraction of the hydraulic cylinder to drive the three variable speed gears with different rotating speeds to mesh with the driving gear, so that the spiral blade jumps from normal speed to higher speed and then to high speed, thereby increasing the centrifugal speed and accelerating the settlement of micro-plastics. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a front perspective view of the structure of the utility model;

[0014] Fig. 2 It is a front perspective view of the structure of the utility model;

[0015] Fig. 3 It is a front perspective view of the structure of the utility model;

[0016] In the drawing: 1 is a settling cylinder, 2 is a separation box, 3 is a fixed box, 4 is a liquid inlet pipe, 5 is an acceleration assembly, 6 is a sliding rail, 7 is a support plate, 8 is a drainage pipe, 9 is an on-off valve, 10 is a separation assembly, 51 is a hydraulic cylinder, 52 is a movable plate, 53 is a movable shaft, 54 is a variable speed gear, 55 is a motor, 56 is a centrifugal shaft, 57 is a driving gear, 58 is a spiral blade, 101 is a filter plate, and 102 is a hanging rod. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0018] Please refer to Figs. 1-3 A kind of sedimentation device for microplastic detection, including sedimentation cylinder 1 and separation tank 2, separation tank 2 is used to receive the liquid after separation, the top of sedimentation cylinder 1 is fixedly installed with fixed box 3, the top wall of sedimentation cylinder 1 and located the front of fixed box 3 is fixedly installed with liquid inlet pipe 4, with microplastic liquid is introduced into sedimentation cylinder 1 and is treated, liquid inlet pipe 4 is communicated with the inner cavity of fixed box 3.

[0019] Wherein, the bottom wall of sedimentation cylinder 1 is fixedly installed with the liquid outlet pipe 8 communicated with the inner cavity of sedimentation cylinder 1, the outer surface of liquid outlet pipe 8 is installed with switch valve 9, open switch valve 9, the microplastic and liquid that have settled are discharged from liquid outlet pipe 8.

[0020] In addition, separation assembly 10 is arranged on separation tank 2, and separation assembly 10 includes filter plate 101 and hanging rod 102, filter plate 101 is inserted into the inner wall of separation tank 2, for intercepting microplastic that has settled, at this time, the intercepted microplastic can be detected, hanging rod 102 is fixedly installed on the top of filter plate 101, hanging rod 102 is inserted into the side wall of separation tank 2, so as to facilitate the suspension of filter plate 101 on the inner wall of separation tank 2 and the removal of filter plate 101, and the shape of hanging rod 102 is inverted.

[0021] Please refer to Figs. 2-3 Sedimentation cylinder 1 and fixed box 3 are provided with acceleration assembly 5 for accelerating microplastic sedimentation, and acceleration assembly 5 includes hydraulic cylinder 51, movable plate 52, movable shaft 53, variable speed gear 54, motor 55, centrifugal shaft 56, driving gear 57 and helical blade 58, hydraulic cylinder 51 is fixedly installed on the side wall of fixed box 3, movable plate 52 is fixedly installed on the output end of hydraulic cylinder 51, hydraulic cylinder 51 is telescopic, movable plate 52 is driven to move transversely, the inner bottom wall of fixed box 3 is fixedly installed with sliding rail 6 slidably connected with movable plate 52, for supporting and guiding movable plate 52, so that movable plate 52 can only move transversely.

[0022] And the movable shaft 53 is rotatably connected to the top of the movable plate 52, the variable gear 54 is fixedly installed on the outer surface of the movable shaft 53, the number of the movable shaft 53 and the variable gear 54 is three, the number of teeth of the variable gear 54 decreases in turn, which is used for speeding up the centrifugation of the liquid with microplastics, the motor 55 is fixedly installed on the movable plate 52, the top of the movable plate 52 is fixedly installed with the support plate 7 fixedly installed with the motor 55, the shape of the support plate 7 is inverted L-shaped, and the output shaft of the motor 55 is fixedly installed with one of the movable shafts 53.

[0023] Meanwhile, the centrifugal shaft 56 is rotatably connected to the top wall of the settling cylinder 1, the centrifugal shaft 56 can rotate, the drive gear 57 is fixedly installed on the top of the centrifugal shaft 56, the drive gear 57 can drive the centrifugal shaft 56 to rotate, the drive gear 57 is located in the inside of the fixed box 3, the spiral blade 58 is fixedly installed on the outer surface of the centrifugal shaft 56, the spiral blade 58 rotates to centrifuge the liquid with microplastics, speeds up the microplastics in the liquid to settle, the drive gear 57 is engaged with the variable gear 54, when the three different variable gears 54 are engaged with the variable gear 54, the spiral blade 58 can rotate at normal speed, higher speed and high speed, can speed up the settlement as the centrifugal speed increases, and the spiral blade 58 is located in the inside of the settling cylinder 1.

[0024] In use, the liquid with microplastics is poured into the settling cylinder 1, the motor 55 is started, the movable shaft 53 rotates, under the engagement of the three variable gears 54 with different teeth, the variable gear 54 on the right side rotates at high speed, the variable gear 54 in the middle rotates at higher speed, and the variable gear 54 on the left side rotates at normal speed, the movable plate 52 moves transversely, drives the three variable gears 54 to be engaged with the drive gear 57 respectively, so that the drive gear 57 can rotate at normal speed, higher speed and high speed, drives the spiral blade 58 to rotate at normal speed, higher speed and high speed, thereby increasing the centrifugal speed and speeding up the microplastics in the liquid to settle.

[0025] The beneficial effects of the above embodiment are:

[0026] The settling device for microplastic detection is provided with the acceleration assembly 5, after the use of the acceleration assembly 5, under the start of the motor 55 and the mutual engagement of the three variable gears 54, the three variable gears 54 rotate at normal speed, higher speed and high speed respectively, and the expansion and contraction of the hydraulic cylinder 51 drives the three variable gears 54 with different rotating speeds to be engaged with the drive gear 57 respectively, so that the spiral blade 58 jumps from normal speed to higher speed and then to high speed, thereby increasing the centrifugal speed and speeding up the settlement of the microplastics.

[0027] The hydraulic cylinder 51 and the motor 55 are electrically connected with the main controller and the power supply. The main controller can be a computer or other conventional known device for control. The existing power connection technology is not described herein.

[0028] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sedimentation device for microplastic detection, comprising a sedimentation cylinder (1) and a separation box (2), wherein a fixing box (3) is fixedly installed on the top of the sedimentation cylinder (1), and an inlet pipe (4) is fixedly installed on the top wall of the sedimentation cylinder (1) in front of the fixing box (3), characterized in that: The settling cylinder (1) and the fixed box (3) are equipped with an acceleration component (5) to accelerate the settling of microplastics; The acceleration assembly (5) includes a hydraulic cylinder (51), a movable plate (52), a movable shaft (53), a speed-changing gear (54), a motor (55), a centrifugal shaft (56), a drive gear (57), and a spiral blade (58). The hydraulic cylinder (51) is fixedly installed on the side wall of the fixed box (3). The movable plate (52) is fixedly installed on the output end of the hydraulic cylinder (51). The movable shaft (53) is rotatably connected to the top of the movable plate (52). The speed-changing gear (54) is fixedly installed on the outer surface of the movable shaft (53). The motor (55) is fixedly installed on the movable plate (52). The output shaft of the motor (55) is fixedly installed with one of the movable shafts (53). The centrifugal shaft (56) is rotatably connected to the top wall of the settling cylinder (1). The drive gear (57) is fixedly installed on the top of the centrifugal shaft (56). The spiral blade (58) is fixedly installed on the outer surface of the centrifugal shaft (56). The drive gear (57) meshes with the speed-changing gear (54).

2. The sedimentation device for microplastic detection according to claim 1, characterized in that: The inlet pipe (4) is connected to the inner cavity of the fixed box (3). There are three movable shafts (53) and three speed-changing gears (54). The number of teeth of the speed-changing gears (54) decreases sequentially. The drive gear (57) is located inside the fixed box (3). The spiral blade (58) is located inside the settling cylinder (1).

3. The sedimentation device for microplastic detection according to claim 1, characterized in that: The bottom wall of the fixed box (3) is fixedly installed with a slide rail (6) that is slidably connected to the movable plate (52). The top of the movable plate (52) is fixedly installed with a support plate (7) that is fixedly installed with the motor (55). The support plate (7) is in the shape of an inverted L.

4. The sedimentation device for microplastic detection according to claim 1, characterized in that: The bottom wall of the settling cylinder (1) is fixedly installed with a drain pipe (8) that communicates with the inner cavity of the settling cylinder (1), and a switch valve (9) is installed on the outer surface of the drain pipe (8).

5. A sedimentation device for microplastic detection according to claim 1, characterized in that: The separation box (2) is provided with a separation component (10), which includes a filter plate (101) and a hanging rod (102). The filter plate (101) is inserted into the inner wall of the separation box (2), and the hanging rod (102) is fixedly installed on the top of the filter plate (101). The hanging rod (102) is inserted into the side wall of the separation box (2), and the shape of the hanging rod (102) is inverted.

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