Soil environment detection sample treatment device

Abstract

The utility model relates to the technical field of environment detection, in particular to a soil environment detection sample treatment device which comprises a stirring box and a grinding box, a star-shaped discharge valve is arranged between the stirring box and the grinding box, and a grinding mechanism and a cooling mechanism are arranged on the grinding box. The grinding mechanism comprises two rolling pipes rotationally arranged on the grinding box, two grinding cylinders respectively arranged on the two rolling pipes in a sleeving manner, first gears respectively arranged at one ends of the two rolling pipes in a sleeving manner and a first motor in transmission connection with the first gears, the grinding cylinders and the first gears are respectively mounted on the rolling pipes, and the number of the grinding cylinders and the number of the first gears are respectively two; the two grinding cylinders are arranged in the grinding box in parallel, and the cooling mechanism comprises a backflow pipe, a pump body and a heat exchanger. The utility model provides a soil environment detection sample treatment device which can control soil conveying, is convenient to crush a soil sample and is convenient to cool a grinding cylinder for crushing operation, and is used for overcoming the defects in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental detection, in particular to a soil environmental detection sample processing device. Background Art

[0002] Soil refers to a loose, fertile material on the surface of the earth that is suitable for growing crops. Soil is a natural material with a history, formed through long-term evolution in a certain soil-forming environment. Soil is the solid surface of the earth, with the existence of organisms. Soil is a complex and diverse material system, composed of mineral particles of various sizes, organic residues that can be decomposed to different degrees, humus and living organisms, various nutrients, water and air. Soil is the basic condition for people to carry out production and is also a necessary material for human survival. Therefore, the quality of soil will have a direct impact on human health. Soil environmental testing is the process of investigating the quality of the soil environment. Through soil testing, it is possible to determine the impact on the soil environment, thereby judging whether the soil is polluted, and then dynamically analyzing and determining the development trend of the soil.

[0003] Soil environment detection methods are mainly aimed at the detection of organic and inorganic substances. The detection methods for organic matter mainly include gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS), most of which need to be detected and analyzed in the laboratory. However, wavelength dispersive X-ray fluorescence spectrometry can be used for on-site detection of soil environment. The detection methods for inorganic substances include atomic absorption spectrometry, atomic fluorescence spectrometry, inductively coupled plasma spectrometry and conventional chemical analysis methods. Wavelength dispersive X-ray fluorescence spectrometry can also be used for rapid analysis of inorganic substances.

[0004] Since the moisture and particulate matter in the soil may interfere with the results of soil environmental testing, the collected samples need to be pre-processed before conducting soil environmental testing, including drying the soil samples first and then crushing the dried soil samples. In order to protect the collected samples from damage, soil samples are often treated by natural drying. However, this method has a slow processing speed, and the air-drying speed of soil samples at different depths is also very different, which leads to uneven drying of soil samples. For this reason, a stirring device is used to dry the soil samples to improve the drying speed and uniformity of the soil. The soil sample crushing operation adopts the method of extrusion crushing, which is generally completed by a crushing machine such as a grinding mechanism or an extrusion mechanism. However, during the crushing process, friction will occur between the soil sample and the machine, thereby generating heat. When the extrusion crushing operation is performed for a long time, the heat generated by the machine will continue to be transferred to the crushed sample, and the transferred heat will damage the soil sample, thereby affecting the detection results of the soil environment. Therefore, how to reduce the generation of heat is an important problem that we need to solve. Summary of the invention

[0005] In view of the deficiencies in the prior art, the utility model provides a soil environment detection sample processing device which can control soil transportation, facilitate soil sample crushing, and facilitate cooling of the grinding cylinder for crushing operations, so as to overcome the defects in the prior art.

[0006] The technical solution adopted by the utility model is: a soil environment detection sample processing device, comprising a mixing box and a grinding box, a star-shaped discharge valve is arranged between the mixing box and the grinding box, the discharge end of the mixing box is connected to the feed end of the grinding box through the star-shaped discharge valve, a grinding mechanism and a cooling mechanism are arranged on the grinding box, the grinding mechanism comprises two rolling tubes rotatably arranged on the grinding box, grinding cylinders respectively mounted on the two rolling tubes, first gears respectively mounted on one end of the two rolling tubes, and a first motor connected by the first gear transmission, the grinding cylinder and the first gear are respectively mounted on the rolling tubes, the number of the grinding cylinders and the first gears are two respectively, the two grinding cylinders are arranged in parallel in the grinding box, the cooling mechanism comprises a reflux pipe, a pump body and a heat exchanger, the two sides of the reflux pipe are respectively movably mounted in the two rolling tubes, one end of the reflux pipe is connected to one end of the heat exchanger, the other end of the reflux pipe is connected to one end of the pump body, the other end of the pump body is connected to the other end of the heat exchanger, the heat exchanger, the pump body and the first motor are respectively mounted on the grinding box.

[0007] The stirring box is provided with a stirring device and a soil moisture sensor, the stirring device comprises a stirring shaft rotatably arranged on the stirring box, a stirring frame arranged in the stirring box and a second motor arranged at one end of the stirring shaft, the stirring frame is installed on the stirring shaft, the driving end of the second motor is connected to the stirring shaft, a first support plate is arranged below the second motor, and both sides of the first support plate are respectively installed on the stirring box and the second motor, the soil moisture sensor is embedded in the bottom of the stirring box, and the detection end of the soil moisture sensor faces the stirring box.

[0008] A three-way reversing valve is arranged between the star-shaped unloading valve and the grinding box. The three-way reversing valve comprises a three-way pipe with an inverted Y-shaped structure, a reversing shaft rotatably arranged on the three-way pipe, a material baffle plate arranged on the reversing shaft, and an electric telescopic cylinder connected to one end of the reversing shaft. The top of the three-way pipe is connected to the bottom end of the star-shaped unloading valve through a flange, and the first bottom end of the three-way pipe is connected to the grinding box through a flange. The reversing shaft is rotatably installed at the connection between the first bottom pipe of the three-way pipe and the second bottom pipe of the three-way pipe through a bearing. The material baffle plate is located in the three-way pipe, and the top of the material baffle plate contacts the bottom end of the top pipe of the three-way pipe. The bottom end of the material baffle plate is installed on the reversing shaft. The electric telescopic cylinder is installed on the outer wall of the three-way pipe, and a control mechanism is arranged between one side of the reversing shaft and the electric telescopic cylinder, and the electric telescopic cylinder is connected to the reversing shaft through the control mechanism.

[0009] The control mechanism includes a screw rod arranged on the electric telescopic cylinder, a nut threadedly mounted on the screw rod, and a steering plate arranged on the reversing shaft. One side of the steering plate is mounted on one end of the reversing shaft, and a steering groove is provided on the other side of the steering plate. The screw rod is mounted in the steering groove. Both sides of the steering plate are in contact with the nut and the telescopic end of the electric telescopic cylinder respectively. The screw rod is mounted on the telescopic end of the electric telescopic cylinder.

[0010] A feeding pipe is arranged below the three-way pipe, the top end of the feeding pipe is connected with the second bottom end of the three-way pipe through a flange, and the middle and lower parts of the feeding pipe adopt a trumpet-shaped structure; a support plate is mounted on the top of the three-way pipe, and a plurality of legs are arranged below the support plate, and the top ends of the legs are mounted on the support plate.

[0011] Two guide plates are obliquely arranged in the grinding box, the guide plates are parallel to the axis of the grinding cylinder, the top ends of the two guide plates are respectively mounted on the inner wall of the grinding box, and the bottom ends of the two guide plates are respectively arranged above the middle of the two grinding cylinders.

[0012] The first motor is provided with a support frame, which is installed between the first motor and the grinding box. The first motor is provided with a second gear, which is installed on the driving end of the first motor and meshes with the first gear. The grinding box is provided with a protective box with an open end, and the open end of the protective box is installed on the outer wall of the grinding box. The first gear and the second gear are respectively arranged in the protective box. A fixing plate is provided below the protective box, and one end of the fixing plate is installed on the protective box. The pump body and the heat exchanger are respectively installed on the fixing plate.

[0013] The beneficial effects of the utility model are as follows: firstly, the utility model controls the transportation of soil samples by setting a star-shaped discharge valve, grinds and crushes the particles in the soil sample by setting a first motor, a rolling tube and a grinding cylinder on the grinding box, sets a reflux pipe, a pump body and a heat exchanger on the grinding box, uses the pump body to create a circulation and transportation channel for the medium for the reflux pipe, and sets the reflux pipe in the rolling tube so that the heat on the rolling tube and the grinding cylinder is taken out by the medium in the reflux pipe, and then the medium in the reflux pipe is subjected to heat exchange treatment by the heat exchanger to avoid excessive temperature on the rolling tube and the grinding cylinder, thereby improving the crushing effect of the soil sample.

[0014] Secondly, the utility model detects the moisture content of the collected soil samples by arranging a soil moisture sensor on the mixing box to determine whether the collected soil samples have been dried, and controls the second motor to meet the drying requirements of the soil samples in the mixing box; and the utility model also realizes one-in-two-out drying screening of the soil samples by arranging a three-way reversing valve, that is, the baffle plate is controlled to rotate by an electric telescopic cylinder to switch the conveying channel of the soil samples, so that the soil samples that are qualified by the soil moisture sensor are conveyed into the grinding box through the first bottom pipe of the three-way pipe, and conversely, the soil samples that are unqualified by the soil moisture sensor are discharged through the second bottom pipe of the three-way pipe, and then different soil samples are conveyed according to the screening needs.

[0015] Thirdly, the utility model uses the feeding pipe to centrally transport the soil samples discharged from the second bottom end of the three-way pipe to reduce the production of dust. The support plates and legs are provided to facilitate the support of the utility model. In addition, the utility model has two guide plates arranged at an angle to guide the soil samples between the two grinding cylinders for grinding and crushing to meet the needs of the crushing operation.

[0016] In addition, the utility model provides a second gear to facilitate the first motor to drive the roller tube and the grinding cylinder to operate, and a protective box is provided to protect the first gear and the second gear. A fixing plate is installed on the protective box to facilitate the fixation of the pump body and the heat exchanger, thereby facilitating the operation of the cooling mechanism and the grinding mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a first stereoscopic schematic diagram of the utility model.

[0018] Figure 2 for Figure 1 A magnified schematic diagram of center A.

[0019] Figure 3 It is a second stereoscopic schematic diagram of the utility model.

[0020] Figure 4 for Figure 3 A magnified schematic diagram of point B in the middle.

[0021] Figure 5 It is an assembly cross-sectional view of the grinding box and the three-way reversing valve in the utility model.

[0022] Figure 6 for Figure 5 Enlarged schematic diagram of point C in the middle.

[0023] Figure 7 for Figure 5 Enlarged schematic diagram of point D in the middle.

[0024] Figure 8 It is a three-dimensional structural diagram of the mixing box in the utility model.

[0025] Fig. 9 for Figure 8 Enlarged schematic diagram of point E in the middle.

[0026] Fig.10 This is a stereoscopic diagram of the assembly of the grinding box, the first motor and the return pipe in the utility model.

[0027] Fig.11 for Fig.10 Enlarged schematic diagram of point F in the middle. DETAILED DESCRIPTION

[0028] like Figures 1 to 11As shown, a soil environment detection sample processing device comprises a mixing box 1 and a grinding box 2, wherein a star-shaped discharge valve 3 is arranged between the mixing box 1 and the grinding box 2, and the discharge end of the mixing box 1 is connected to the feed end of the grinding box 2 through the star-shaped discharge valve 3, and the grinding box 2 is provided with a grinding mechanism and a cooling mechanism, and the grinding mechanism comprises two rolling tubes 4 rotatably arranged on the grinding box 2, grinding cylinders 5 respectively mounted on the two rolling tubes 4, first gears 6 respectively mounted on one end of the two rolling tubes 4, and a first motor 7 connected to the first gear 6 in a transmission manner, wherein the grinding cylinder 5 and the first gear 6 are respectively mounted on the rolling tube 4, and the grinding cylinder 5 and the first gear 6 are respectively mounted on the rolling tube 4, and the grinding cylinder 5 and the first gear 6 are respectively mounted on the rolling tube 4. There are two gears 6, and two grinding cylinders 5 are arranged in parallel in the grinding box 2. The gap between the two grinding cylinders 5 is the grinding area, so that the roller tube 4 and the grinding cylinder 5 are driven by the first motor 7 to perform grinding operations. The cooling mechanism includes a return pipe 8, a pump body 9 and a heat exchanger 10. The two sides of the return pipe 8 are movably mounted in the two roller tubes 4, one end of the return pipe 8 is connected to one end of the heat exchanger 10, the other end of the return pipe 8 is connected to one end of the pump body 9, the other end of the pump body 9 is connected to the other end of the heat exchanger 10, and the heat exchanger 10, the pump body 9 and the first motor 7 are respectively installed on the grinding box 2. The heat exchanger 10 includes an air-cooled heat exchanger body and a fan arranged on the air-cooled heat exchanger body. The two ends of the heat source channel of the air-cooled heat exchanger body are respectively connected to the pump body 9 and the return pipe 8. The air-cooled heat exchanger body is installed on one side of the fan. The fan is operated to cool the air-cooled heat exchanger body. At the same time, the operation of the pump body 9 is utilized to bring out the heat on the rolling tube 4 through the return pipe 8, thereby cooling the rolling tube 4 and the grinding cylinder 5, thereby improving the grinding effect of the soil environment detection sample.

[0029] Please refer again Figure 8-9 The stirring box 1 is provided with a stirring device and a soil moisture sensor 11. The stirring device includes a stirring shaft 12 rotatably arranged on the stirring box 1, a stirring frame 13 arranged in the stirring box 1, and a second motor 14 arranged at one end of the stirring shaft 12. The stirring frame 13 is installed on the stirring shaft 12. The driving end of the second motor 14 is connected to the stirring shaft 12. A first support plate 15 is arranged below the second motor 14. Both sides of the first support plate 15 are respectively installed on the stirring box 1 and the second motor 14. The soil moisture sensor 11 is embedded in the bottom of the stirring box 1. The detection end of the soil moisture sensor 11 faces the stirring box 1. The moisture of the collected soil sample is detected by using the soil moisture sensor 11 to determine whether the collected soil sample is completely dried, and the second motor 14 is controlled to meet the drying requirements of the soil sample in the stirring box.

[0030] Specifically, a three-way reversing valve is arranged between the star-shaped discharge valve 3 and the grinding box 2, and the three-way reversing valve comprises a three-way pipe 16 of an inverted Y-shaped structure, a reversing shaft 17 rotatably arranged on the three-way pipe 16, a material baffle plate 18 arranged on the reversing shaft 17, and an electric telescopic cylinder 19 connected to one end of the reversing shaft 17. The top end of the three-way pipe 16 is connected to the bottom end of the star-shaped discharge valve 3 through a flange, and the first bottom end of the three-way pipe 16 is connected to the grinding box 2 through a flange. The reversing shaft 17 is rotatably installed at the connection between the first bottom pipe of the three-way pipe 16 and the second bottom pipe of the three-way pipe 16 through a bearing. The material baffle plate 18 is located in the three-way pipe 16, and the top end of the material baffle plate 18 contacts the bottom end of the top pipe of the three-way pipe 16. The bottom end of the baffle plate 18 is installed on the reversing shaft 17, so that the rotation of the reversing shaft 17 can drive the baffle plate 18 to rotate in the three-way pipe 16, thereby completing the reversing operation of feeding. The electric telescopic cylinder 19 is installed on the outer wall of the three-way pipe 16, and a control mechanism is arranged between one side of the reversing shaft 17 and the electric telescopic cylinder 19. The electric telescopic cylinder 19 is connected to the reversing shaft 17 through the control mechanism, so that the soil sample detected by the soil moisture sensor 11 as qualified is transported into the grinding box 2 through the first bottom tube of the three-way pipe 16, and conversely, the soil sample detected by the soil moisture sensor 11 as unqualified is discharged through the second bottom tube of the three-way pipe 16, thereby transporting different soil samples according to screening needs.

[0031] Further, please refer again to Figure 2 The control mechanism includes a screw rod 20 provided on the electric telescopic cylinder 19, a nut 21 threadedly mounted on the screw rod 20, and a steering plate 22 provided on the reversing shaft 17. One side of the steering plate 22 is mounted on one end of the reversing shaft 17, and a steering groove 23 is provided on the other side of the steering plate 22. The screw rod 20 is mounted in the steering groove 23. Both sides of the steering plate 22 are in contact with the nut 21 and the telescopic end of the electric telescopic cylinder 19 respectively. The screw rod 20 is mounted on the telescopic end of the electric telescopic cylinder 19. The electric telescopic cylinder 19 is extended and retracted to drive the screw rod 20 to move in the steering groove 23, thereby pushing the steering plate 22 and the reversing shaft 17 to rotate around the axis of the reversing shaft 17, so as to facilitate the control of switching of the feeding channel.

[0032] In this embodiment, a feed pipe 24 is provided below the three-way pipe 16, and the top end of the feed pipe 24 is connected to the second bottom end of the three-way pipe 16 through a flange, and the middle and lower parts of the feed pipe 24 adopt a trumpet-shaped structure to facilitate the centralized transportation of soil samples discharged from the second bottom end of the three-way pipe 16 to reduce dust production, thereby meeting the discharge requirements; a support plate 25 is provided on the top of the three-way pipe 16, and the support plate 25 is installed on the three-way pipe 16. A plurality of legs 26 are provided below the support plate 25, and the top ends of the legs 26 are installed on the support plate 25, thereby supporting the utility model.

[0033] Please refer again Figure 6 Two guide plates 27 are obliquely arranged in the grinding box 2. The guide plates 27 are parallel to the axis of the grinding cylinder 5. The top ends of the two guide plates 27 are respectively mounted on the inner wall of the grinding box 2. The bottom ends of the two guide plates 27 are respectively arranged above the middle of the two grinding cylinders 5. The two guide plates present an inverted figure-eight structure. The guide plates 27 can guide the soil sample to between the two grinding cylinders 5 for grinding and crushing to meet the needs of the crushing operation.

Claims

1. A soil environment detection sample processing device, comprising a stirring box (1) and a grinding box (2), characterized in that: A star-shaped discharge valve (3) is provided between the mixing box (1) and the grinding box (2); the discharge end of the mixing box (1) is connected to the feed end of the grinding box (2) via the star-shaped discharge valve (3); a grinding mechanism and a cooling mechanism are provided on the grinding box (2); the grinding mechanism comprises two rolling tubes (4) rotatably arranged on the grinding box (2); a grinding cylinder (5) respectively mounted on the two rolling tubes (4); a first gear (6) respectively mounted on one end of the two rolling tubes (4); and a first motor (7) connected to the first gear (6); the grinding cylinder (5) and the first gear (6) are respectively mounted on the rolling tubes (4); and the grinding cylinder (5) and the first gear (6) are respectively mounted on the rolling tubes (4). The number of the cylinders (5) and the number of the first gears (6) are two respectively. The two grinding cylinders (5) are arranged in parallel with each other in the grinding box (2). The cooling mechanism comprises a return pipe (8), a pump body (9) and a heat exchanger (10). Both sides of the return pipe (8) are movably sleeved in the two rolling pipes (4). One end of the return pipe (8) is connected to one end of the heat exchanger (10), the other end of the return pipe (8) is connected to one end of the pump body (9), and the other end of the pump body (9) is connected to the other end of the heat exchanger (10). The heat exchanger (10), the pump body (9) and the first motor (7) are respectively mounted on the grinding box (2).

2. The soil environment detection sample processing device according to claim 1, characterized in that: The stirring box (1) is provided with a stirring device and a soil moisture sensor (11), the stirring device comprising a stirring shaft (12) rotatably arranged on the stirring box (1), a stirring frame (13) arranged in the stirring box (1), and a second motor (14) arranged at one end of the stirring shaft (12), the stirring frame (13) being mounted on the stirring shaft (12), the driving end of the second motor (14) being connected to the stirring shaft (12), a first support plate (15) being arranged below the second motor (14), the two sides of the first support plate (15) being respectively mounted on the stirring box (1) and the second motor (14), the soil moisture sensor (11) being embedded in the bottom of the stirring box (1), the detection end of the soil moisture sensor (11) facing into the stirring box (1).

3. The soil environment detection sample processing device according to claim 1, characterized in that: A three-way reversing valve is arranged between the star-shaped discharge valve (3) and the grinding box (2), the three-way reversing valve comprising a three-way pipe (16) of an inverted Y-shaped structure, a reversing shaft (17) rotatably arranged on the three-way pipe (16), a material blocking plate (18) arranged on the reversing shaft (17), and an electric telescopic cylinder (19) connected to one end of the reversing shaft (17), the top end of the three-way pipe (16) is connected to the bottom end of the star-shaped discharge valve (3) via a flange, the first bottom end of the three-way pipe (16) is connected to the grinding box (2) via a flange, and the reversing shaft (17) is connected to the grinding box (2) via a flange. The bearing is rotatably mounted at the connection between the first bottom tube of the tee tube (16) and the second bottom tube of the tee tube (16); the baffle plate (18) is located in the tee tube (16); the top end of the baffle plate (18) contacts the bottom end of the top tube of the tee tube (16); the bottom end of the baffle plate (18) is mounted on the reversing shaft (17); the electric telescopic cylinder (19) is mounted on the outer wall of the tee tube (16); a control mechanism is provided between one side of the reversing shaft (17) and the electric telescopic cylinder (19); the electric telescopic cylinder (19) is connected to the reversing shaft (17) via the control mechanism.

4. The soil environment detection sample processing device according to claim 3 is characterized in that: The control mechanism comprises a screw (20) provided on the electric telescopic cylinder (19), a nut (21) threadedly mounted on the screw (20), and a steering plate (22) provided on the reversing shaft (17); one side of the steering plate (22) is mounted on one end of the reversing shaft (17); a steering groove (23) is provided on the other side of the steering plate (22); the screw (20) is mounted in the steering groove (23); two sides of the steering plate (22) are in contact with the nut (21) and the telescopic end of the electric telescopic cylinder (19), respectively; and the screw (20) is mounted on the telescopic end of the electric telescopic cylinder (19).

5. The soil environment detection sample processing device according to claim 3 is characterized in that: A feeding pipe (24) is arranged below the three-way pipe (16), the top end of the feeding pipe (24) is connected to the second bottom end of the three-way pipe (16) through a flange, and the middle and lower parts of the feeding pipe (24) adopt a trumpet-shaped structure; a support plate (25) is sleeved on the top of the three-way pipe (16), the support plate (25) is mounted on the three-way pipe (16), and a plurality of supporting legs (26) are arranged below the support plate (25), and the top ends of the supporting legs (26) are mounted on the support plate (25).

6. The soil environment detection sample processing device according to claim 1, characterized in that: Two guide plates (27) are obliquely arranged in the grinding box (2), the guide plates (27) are parallel to the axis of the grinding cylinder (5), the top ends of the two guide plates (27) are respectively mounted on the inner wall of the grinding box (2), and the bottom ends of the two guide plates (27) are respectively arranged above the middle of the two grinding cylinders (5).

7. The soil environment detection sample processing device according to claim 1, characterized in that: The first motor (7) is provided with a support frame (28), the support frame (28) being mounted between the first motor (7) and the grinding box (2); the first motor (7) is provided with a second gear (29), the second gear (29) being mounted on the driving end of the first motor (7), the second gear (29) being meshed with the first gear (6); the grinding box (2) is provided with a protective box (30) with one end open, the open end of the protective box (30) being mounted on the outer wall of the grinding box (2); the first gear (6) and the second gear (29) being respectively arranged in the protective box (30); a fixing plate (31) being provided below the protective box (30), one end of the fixing plate (31) being mounted on the protective box (30), and the pump body (9) and the heat exchanger (10) being respectively mounted on the fixing plate (31).

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