Rapid drying and screening device for soil detection

Abstract

The utility model belongs to the technical field of soil detection, and discloses a quick drying and screening device for soil detection, which comprises a screening assembly for screening dried soil, and a first drying assembly arranged in the screening assembly and used for paving and drying after preliminary crushing, a second drying assembly used for paving and secondary drying after secondary fine grinding is arranged below the first drying assembly; and the second drying assembly comprises a guide hopper, two accurate grinding rollers are symmetrically arranged on the two sides of the lower portion of the guide hopper, and an accurate grinding motor is installed behind the accurate grinding roller on one side. According to the rapid drying and screening device for soil detection, through the arrangement of paving and drying after secondary accurate grinding, the granularity of soil during drying is reduced, and the drying effect is improved; through two times of drying, the drying effect is further improved; and through the arrangement of secondary accurate grinding after primary crushing and drying, the water content of soil during secondary accurate grinding is reduced, and the accurate grinding effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of soil detection, in particular to a rapid drying and screening device for soil detection. Background Art

[0002] Soil testing refers to a technology that determines the environmental quality or degree of pollution and its changing trend by measuring the representative values ​​of factors that affect soil environmental quality. What we usually call soil monitoring refers to soil environmental monitoring, which generally includes technical contents such as sampling, sample preparation, analysis methods, result characterization, data statistics and quality evaluation. To judge the soil quality, it is necessary to remove impurities or other particles in the soil. The newly collected soil will stick together because it has a certain amount of moisture inside. Therefore, a drying device is needed to fully remove the moisture inside the soil to facilitate the staff to perform testing operations.

[0003] In contrast, a Chinese patent with authorization announcement number CN116296737A discloses a soil rapid drying and screening device for soil testing, comprising a shell, one end of which is provided with an impurity discharge port, the bottom of which is provided with a soil discharge port, the upper end of the shell is provided with a drying chamber, the top of the drying chamber is provided with a plurality of air inlet holes evenly distributed, the bottom of the drying chamber is provided with a plurality of drying holes, and a controller is fixed to the top of the shell; an impurity removal module is installed inside the shell for separating impurities in soil samples, and the impurity removal module comprises a conveying mechanism, a drying mechanism, an extrusion and crushing mechanism, and a screening mechanism.

[0004] The above patent adopts the setting of crushing and screening after drying, and the soil particle size is large during drying, which has a poor drying effect on the soil. Therefore, a new device needs to be designed. Utility Model Content

[0005] The purpose of the utility model is to provide a rapid drying and screening device for soil detection to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A rapid drying and screening device for soil detection, comprising a screening component for screening dried soil, and also comprising a first drying component arranged in the screening component for spreading and drying after preliminary crushing, wherein a second drying component is arranged below the first drying component for spreading and drying after secondary fine grinding;

[0008] The second drying component includes a material guide hopper, two fine grinding rollers are symmetrically arranged on both sides below the material guide hopper, a fine grinding motor is installed behind one of the fine grinding rollers, two mutually meshing fine grinding gears are installed in front of the two fine grinding rollers, a second conveyor belt is arranged below the two fine grinding rollers, and a plurality of second heating tubes are evenly arranged on the side above the second conveyor belt away from the fine grinding rollers.

[0009] Furthermore: the screening component includes a chassis, a fixed frame is arranged at the bottom of the chassis, a sieve plate is installed on the fixed frame, a collecting box is arranged below the sieve plate, and a waste box is arranged on one side of the collecting box.

[0010] Furthermore: the first drying component includes a feed hopper, two crushing rollers are symmetrically arranged on both sides below the feed hopper, a crushing motor is installed behind one of the crushing rollers, a crushing gear is installed in front of the crushing roller, the two crushing gears are meshed with each other, a first conveyor belt is arranged below the two crushing rollers, and a plurality of first heating tubes are evenly arranged on one side above the first conveyor belt away from the crushing roller.

[0011] Furthermore: eight second heating tubes are provided.

[0012] Furthermore: the sieve plate is made of 204 stainless steel and is tilted.

[0013] Furthermore: the feed hopper is made of 204 stainless steel, and the inner surface is a smooth surface, and eight first heating tubes are provided.

[0014] Compared with the prior art, the beneficial effects are:

[0015] 1. The setting of spreading and drying after secondary fine grinding reduces the soil particle size during drying and improves the drying effect;

[0016] 2. The drying effect is further improved through the setting of double drying;

[0017] 3. Through the setting of secondary fine grinding after initial crushing and drying, the moisture content of the soil during the secondary fine grinding is reduced and the fine grinding effect is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a rapid drying and screening device for soil detection according to the utility model;

[0019] Figure 2 It is an axonometric diagram of a screening component of a rapid drying screening device for soil detection according to the utility model;

[0020] Figure 3 This is an axonometric diagram of the first drying component of a rapid drying and screening device for soil detection described in the utility model;

[0021] Figure 4 It is an axonometric diagram of the second drying component of the rapid drying and screening device for soil detection described in the utility model.

[0022] In the accompanying drawings, 101, chassis; 102, fixed frame; 103, sieve plate; 104, collecting box; 105, waste box; 201, feed hopper; 202, crushing roller; 203, crushing motor; 204, crushing gear; 205, first conveyor belt; 206, first heating tube; 301, guide hopper; 302, fine grinding roller; 303, fine grinding motor; 304, fine grinding gear; 305, second conveyor belt; 306, second heating tube. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-Figure 4 A rapid drying and screening device for soil detection includes a screening component for screening dried soil, and also includes a first drying component arranged in the screening component for spreading and drying after preliminary crushing, and a second drying component for spreading and drying after secondary fine grinding is arranged below the first drying component.

[0025] In this embodiment: the screening component includes a chassis 101, a fixed frame 102 is provided at the bottom of the chassis 101, a sieve plate 103 is installed on the fixed frame 102, a collection box 104 is provided below the sieve plate 103, a waste box 105 is provided on one side of the collection box 104, the sieve plate 103 is made of 204 stainless steel and is inclined, the secondary dried soil falls on the sieve plate 103 in the fixed frame 102 for screening, the soil that meets the requirements falls into the collection box 104 at the bottom of the chassis 101 for collection, and other debris slides into the waste box 105 for collection;

[0026] In this embodiment: the first drying component includes a feed hopper 201, two crushing rollers 202 are symmetrically arranged on both sides below the feed hopper 201, a crushing motor 203 is installed behind one crushing roller 202, a crushing gear 204 is installed in front of the crushing roller 202, and the two crushing gears 204 are meshed with each other. A first conveyor belt 205 is arranged below the two crushing rollers 202, and eight first heating tubes 206 are evenly arranged on the side above the first conveyor belt 205 away from the crushing roller 202. The feed hopper 201 is made of 204 stainless steel, and the inner surface is a smooth surface. The soil is poured into the feed hopper 201 and slides between the two crushing rollers 202. The crushing motor 203 drives the crushing roller 202 in front of it to rotate, and drives the other crushing roller 202 to rotate through the crushing gear 204 to perform preliminary crushing of the soil. The crushed soil continues to fall onto the first conveyor belt 205. Since the conveyor belt is rotating in a cycle, the crushed soil will be spread on the conveyor belt. At the same time, the first heating tube 206 above the first conveyor belt 205 generates heat to perform preliminary drying of the crushed soil.

[0027] In this embodiment: the second drying component includes a guide hopper 301, two fine grinding rollers 302 are symmetrically arranged on both sides below the guide hopper 301, a fine grinding motor 303 is installed behind one of the fine grinding rollers 302, two mutually meshing fine grinding gears 304 are installed in front of the two fine grinding rollers 302, a second conveyor belt 305 is arranged below the two fine grinding rollers 302, and eight second heating tubes 306 are evenly arranged on the side above the second conveyor belt 305 away from the fine grinding rollers 302. The soil after preliminary drying falls into the guide hopper 301 and slides between the two fine grinding rollers 302. The fine grinding motor 303 drives the fine grinding roller 302 in front of it to rotate, and drives the other fine grinding roller 302 to rotate through the fine grinding gear 304 to perform secondary fine grinding of the soil, so that the soil particle size is reduced, and the finely ground soil continues to fall and is spread on the second conveyor belt 305. At the same time, the second heating tube 306 generates heat to perform secondary drying on the finely ground soil.

[0028] Working principle: Pour the soil into the feed hopper 201 and slide it between the two crushing rollers 202. The crushing motor 203 drives the crushing roller 202 in front of it to rotate, and drives the other crushing roller 202 to rotate through the crushing gear 204 to initially crush the soil. The crushed soil continues to fall onto the first conveyor belt 205. At the same time, the first heating tube 206 above the first conveyor belt 205 generates heat to initially dry the crushed soil. Subsequently, the initially dried soil falls into the guide hopper 301 and slides between the two fine grinding rollers 302. The fine grinding motor 303 drives the crushing roller 202 to rotate, and the crushing gear 204 drives the other crushing roller 202 to rotate, and the crushed soil continues to fall onto the first conveyor belt 205. At the same time, the first heating tube 206 above the first conveyor belt 205 generates heat to initially dry the crushed soil. Subsequently, the initially dried soil falls into the guide hopper 301 and slides between the two fine grinding rollers 302. 03 drives the fine grinding roller 302 in front of it to rotate, and drives another fine grinding roller 302 to rotate through the fine grinding gear 304 to perform secondary fine grinding of the soil, so that the soil particle size is reduced, and the finely ground soil continues to fall and is spread on the second conveyor belt 305. At the same time, the second heating tube 306 generates heat to perform secondary drying of the finely ground soil; finally, the secondary dried soil falls onto the sieve plate 103 in the fixed frame 102 for screening, and the soil that meets the requirements falls into the collection box 104 at the bottom of the chassis 101 for collection, and other debris slides into the waste box 105 for collection.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rapid drying and screening device for soil detection, comprising a screening component for screening dried soil, characterized in that: It also includes a first drying component for paving and drying after primary crushing, which is arranged in the screening component, and a second drying component for paving and drying after secondary fine grinding is arranged below the first drying component; The second drying component comprises a material guide hopper (301), two fine grinding rollers (302) are symmetrically arranged on both sides below the material guide hopper (301), a fine grinding motor (303) is installed behind one of the fine grinding rollers (302), two mutually meshing fine grinding gears (304) are installed in front of the two fine grinding rollers (302), a second conveyor belt (305) is arranged below the two fine grinding rollers (302), and a plurality of second heating tubes (306) are evenly arranged on the side above the second conveyor belt (305) away from the fine grinding rollers (302).

2. A soil rapid drying and screening device according to claim 1, characterized in that: The screening component comprises a chassis (101), a fixing frame (102) is arranged at the bottom of the chassis (101), a sieve plate (103) is installed on the fixing frame (102), a collecting box (104) is arranged below the sieve plate (103), and a waste box (105) is arranged on one side of the collecting box (104).

3. The rapid drying and screening device for soil detection according to claim 1, characterized in that: The first drying component comprises a feed hopper (201), two crushing rollers (202) are symmetrically arranged on both sides below the feed hopper (201), a crushing motor (203) is installed behind one of the crushing rollers (202), a crushing gear (204) is installed in front of the crushing roller (202), the two crushing gears (204) are meshed with each other, a first conveyor belt (205) is arranged below the two crushing rollers (202), and a plurality of first heating tubes (206) are evenly arranged on one side above the first conveyor belt (205) away from the crushing roller (202).

4. The rapid drying and screening device for soil detection according to claim 1, characterized in that: Eight second heating tubes (306) are provided.

5. The rapid drying and screening device for soil detection according to claim 2, characterized in that: The sieve plate (103) is made of 204 stainless steel and is arranged at an angle.

6. The rapid drying and screening device for soil detection according to claim 3, characterized in that: The feed hopper (201) is made of 204 stainless steel and has a smooth inner surface. Eight first heating tubes (206) are provided.

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