Contaminated soil remediation pretreatment device convenient to screen

Abstract

The utility model discloses a contaminated soil remediation pretreatment device convenient to screen. The contaminated soil remediation pretreatment device comprises a stirring mechanism and a first driving motor installed at the top of the stirring mechanism. A screening mechanism and a second driving motor mounted on one side of the screening mechanism are arranged on one side of the stirring mechanism; the stirring mechanism comprises a material mixing bin, a discharging valve is installed in the center of the bottom of the material mixing bin, a discharging hopper is fixedly connected to one side of the top of the material mixing bin, and a fixing frame is fixedly connected to the side, close to the discharging hopper, of the material mixing bin; wherein one side of the fixing frame is fixedly connected with a first driving motor, the output end of the first driving motor penetrates through the fixing frame and is fixedly connected with a driving wheel, and one side of the driving wheel is in meshed connection with a first driven wheel. Therefore, the soil remediation effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of soil remediation, in particular to a pretreatment device for contaminated soil remediation which is convenient for screening. Background Art

[0002] Soil remediation is a technical measure to restore the normal function of contaminated soil. In the soil remediation industry, there are more than 100 existing soil remediation technologies and more than 10 commonly used technologies, which can be roughly divided into three methods: physical, chemical and biological.

[0003] Publication No. CN209349168U discloses a soil remediation pretreatment device, which uses a water pump to pump water from a sedimentation and clean water tank into a hose and spray it out from a nozzle to mix with the soil in the box. At the same time, the soil is stirred and cleaned with an electric stirring and crushing rod to achieve a dilution effect. At the same time, the washed and diluted soil flows into a connecting pipe through a water-permeable sponge pad, thereby achieving the sewage being adsorbed and filtered by the clean water pad and then discharged into the sedimentation and clean water tank through a drain pipe for reuse, avoiding pollution to the environment and facilitating the soil remediation pretreatment device to achieve good treatment effect and pollution prevention. However, the patent still has the following problems in actual use:

[0004] Although the soil remediation pretreatment device uses an electric stirring and crushing rod to stir and clean the soil to achieve a dilution effect, the rotation direction of the electric stirring and crushing rod remains unchanged, which may easily lead to the soil in the corners not being stirred and cleaned completely, thereby reducing the effect of the device on soil remediation.

[0005] A contaminated soil remediation pretreatment device that is easy to screen is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide a contaminated soil remediation pretreatment device which is easy to screen, so as to solve the problem proposed in the above-mentioned background technology that the soil is currently stirred and cleaned by an electric stirring and crushing rod to achieve a dilution effect, but the rotation direction of the electric stirring and crushing rod remains unchanged, which easily leads to the soil in the corners not being stirred and cleaned completely, thereby reducing the effect of the device on soil remediation.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pretreatment device for contaminated soil remediation that is convenient for screening, comprising a stirring mechanism, and a first driving motor installed on the top of the stirring mechanism;

[0008] A screening mechanism is provided on one side of the stirring mechanism, and a second driving motor is installed on one side of the screening mechanism;

[0009] Also includes:

[0010] The stirring mechanism comprises a mixing bin, a discharge valve is installed at the center of the bottom of the mixing bin, a lower hopper is fixedly connected to one side of the top of the mixing bin, and a fixed frame is fixedly connected to one side of the mixing bin close to the lower hopper;

[0011] One side of the fixed frame is fixedly connected to the first drive motor, the output end of the first drive motor passes through the fixed frame and is fixedly connected to a driving wheel, and one side of the driving wheel is meshedly connected to a first driven wheel;

[0012] Among them, a stirring rod is fixedly connected to the bottom of the first driven wheel, and a plurality of stirring blades are fixedly connected to the outer side of the stirring rod. The number of the stirring blades is not less than eight groups, and the stirring blades are evenly distributed on both sides of the stirring rod.

[0013] Preferably, the other side of the driving wheel is meshedly connected with a second driven wheel, the top of the second driven wheel is rotatably connected to a fixed frame, the bottom end of the second driven wheel is fixedly connected to a roller shaft, and the end of the roller shaft away from the second driven wheel passes through a stirring rod and is fixedly connected to a propeller.

[0014] Preferably, the screening mechanism comprises a base, a conveying bin is fixedly connected to one side of the top of the base, a feed hopper is fixedly connected to the top of the conveying bin, and one side of the conveying bin is fixedly connected to the second drive motor.

[0015] Preferably, the output end of the second driving motor passes through the conveying bin and is fixedly connected to a pushing paddle, and the end of the pushing paddle away from the second driving motor is fixedly connected to a screen frame.

[0016] Preferably, one end of the screen frame away from the push paddle is fixedly connected to a bearing, the inner wall of the bearing is fixedly connected to a support column, and the top end of the support column is fixedly connected to a protective cover.

[0017] Preferably, the bottom of the protective cover is fixedly connected to the base, and a conveyor belt is provided below the screen frame.

[0018] Preferably, a water pump is fixedly connected to one side of the top of the protective cover, and a collection bin is provided below the base.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the pretreatment device for contaminated soil remediation that is easy to screen can repeatedly stir and clean the soil by setting a stirring mechanism, thereby improving the effect of the device on soil remediation, and can screen the soil by setting a screening mechanism to remove impurities such as stones in the soil, thereby preventing the impurities in the soil from affecting subsequent processes. The specific contents are as follows:

[0020] 1. The stirring mechanism can be provided to repeatedly stir and clean the soil, thereby improving the effect of the device on soil remediation. The first driving motor drives the driving wheel to rotate, and the meshing action between the driving wheel and the first driven wheel is utilized to drive the stirring rod and the stirring blade to rotate forward, so as to stir and clean the soil. At the same time, the meshing action between the driving wheel and the second driven wheel is utilized to drive the propeller to rotate reversely, so as to transport the soil at the bottom of the mixing bin to the top of the mixing bin, thereby achieving the effect of multiple stirring and cleaning of the soil, and thus improving the effect of soil remediation;

[0021] 2. By setting up a screening mechanism, the soil can be screened and impurities such as stones in the soil can be removed to prevent the impurities in the soil from affecting subsequent processes. The push paddle and the screen frame are driven by the second drive motor to rotate simultaneously. The push paddle and the conveying bin can be used to slowly transport the soil to the screen frame. The filtering effect of the screen frame can retain larger impurities such as stones in the screen frame, while the soil falls to the surface of the conveyor belt. The conveying effect of the conveyor belt can transport the soil to the mixing bin. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 Front section structural diagram;

[0024] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure of the middle screening mechanism;

[0025] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0026] In the figure: 1. stirring mechanism; 101. mixing bin; 102. discharge valve; 103. lower hopper; 104. fixed frame; 105. first drive motor; 106. driving wheel; 107. first driven wheel; 108. stirring rod; 109. stirring blade; 110. second driven wheel; 111. roller; 112. propeller; 2. screening mechanism; 201. base; 202. conveying bin; 203. feeding hopper; 204. second drive motor; 205. pushing paddle; 206. screen frame; 207. bearing; 208. support column; 209. protective cover; 210. conveyor belt; 211. water pump; 212. collecting bin. DETAILED DESCRIPTION

[0027] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0028] See also Figure 1-4 The utility model provides a technical solution: a pretreatment device for contaminated soil remediation that is easy to screen, comprising a stirring mechanism 1, and a first drive motor 105 installed on the top of the stirring mechanism 1; a screening mechanism 2 is provided on one side of the stirring mechanism 1, and a second drive motor 204 is installed on one side of the screening mechanism 2; the stirring mechanism 1 comprises a mixing bin 101, a discharge valve 102 is installed at the center of the bottom of the mixing bin 101, a lower hopper 103 is fixedly connected to one side of the top of the mixing bin 101, a fixed frame 104 is fixedly connected to one side of the mixing bin 101 close to the lower hopper 103, and the bottom of the mixing bin 101 is fixedly connected to the base 201;

[0029] One side of the fixed frame 104 is fixedly connected to the first driving motor 105, the output end of the first driving motor 105 passes through the fixed frame 104 and is fixedly connected to a driving wheel 106, one side of the driving wheel 106 is meshedly connected to a first driven wheel 107, and the driving wheel 106 is driven to rotate by the first driving motor 105;

[0030] A stirring rod 108 is fixedly connected to the bottom of the first driven wheel 107, and a plurality of stirring blades 109 are fixedly connected to the outer side of the stirring rod 108. The number of stirring blades 109 is not less than eight groups, and the stirring blades 109 are evenly distributed on both sides of the stirring rod 108. One end of the stirring rod 108 close to the first driven wheel 107 is rotatably connected to the mixing bin 101.

[0031] The other side of the driving wheel 106 is meshedly connected with a second driven wheel 110, the top of the second driven wheel 110 is rotatably connected to the fixed frame 104, the bottom end of the second driven wheel 110 is fixedly connected with a roller 111, the end of the roller 111 away from the second driven wheel 110 passes through the stirring rod 108 and is fixedly connected with a propeller 112, and the meshing action between the driving wheel 106 and the second driven wheel 110 drives the propeller 112 to reverse, so that the soil at the bottom of the mixing bin 101 can be transported to the top of the mixing bin 101, thereby achieving the effect of multiple stirring and cleaning of the soil;

[0032] The screening mechanism 2 includes a base 201, a conveying bin 202 is fixedly connected to one side of the top of the base 201, a feed hopper 203 is fixedly connected to the top of the conveying bin 202, and one side of the conveying bin 202 is fixedly connected to a second drive motor 204, and the feed hopper 203 is provided to facilitate the feeding of soil;

[0033] The output end of the second driving motor 204 passes through the conveying bin 202 and is fixedly connected to a push paddle 205. The end of the push paddle 205 away from the second driving motor 204 is fixedly connected to a screen frame 206. A cleaning frame is provided on one side of the screen frame 206 to facilitate cleaning of impurities inside the screen frame 206. When the screen frame 206 is running, the cleaning frame is usually closed, and the push paddle 205 and the screen frame 206 are driven to rotate simultaneously by the second driving motor 204.

[0034] The end of the screen frame 206 away from the push paddle 205 is fixedly connected to a bearing 207, the inner wall of the bearing 207 is fixedly connected to a support column 208, the top of the support column 208 is fixedly connected to a protective cover 209, and the protective cover 209 is provided with a glass door near the screen frame 206 to facilitate cleaning of the screen frame 206;

[0035] The bottom of the protective cover 209 is fixedly connected to the base 201, a conveyor belt 210 is arranged below the screen frame 206, a support frame is arranged outside the conveyor belt 210, and the support frame is fixedly connected to the protective cover 209;

[0036] A water pump 211 is fixedly connected to one side of the top of the protective cover 209 , a collecting bin 212 is provided below the base 201 , and an output end of the water pump 211 is provided above the lower hopper 103 to facilitate the transportation of water to the mixing bin 101 .

[0037] Working principle: Before using this contaminated soil remediation pretreatment device that is easy to screen, it is necessary to first check the overall condition of the device to ensure that it can work normally. Figure 1 - Figure 4 As shown, firstly, the soil to be pretreated is put into the conveying bin 202 through the feed hopper 203, and then the second driving motor 204 is started to drive the push paddle 205 and the screen frame 206 to rotate simultaneously. By utilizing the cooperation between the push paddle 205 and the conveying bin 202, the soil can be slowly transported to the screen frame 206. By utilizing the filtering effect of the screen frame 206, larger impurities such as stones can be retained in the screen frame 206, while the soil falls to the surface of the conveyor belt 210. By utilizing the transmission effect of the conveyor belt 210, the soil can be transported to the mixing bin 101.

[0038] Secondly, the water pump 211 is started to let water enter the mixing bin 101 through the lower hopper 103, and then the first drive motor 105 is started to drive the driving wheel 106 to rotate. The meshing action between the driving wheel 106 and the first driven wheel 107 is used to drive the stirring rod 108 and the stirring blade 109 to rotate forward, so that the soil can be stirred and cleaned. At the same time, the meshing action between the driving wheel 106 and the second driven wheel 110 is used to drive the propeller 112 to reverse, so that the soil at the bottom of the mixing bin 101 can be transported to the top of the mixing bin 101, thereby achieving the effect of multiple stirring and cleaning of the soil. Finally, the discharge valve 102 is opened to discharge the cleaned soil into the collection bin 212 for collection.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A contaminated soil remediation pretreatment device that is easy to screen, comprising a stirring mechanism (1), and a first drive motor (105) installed on the top of the stirring mechanism (1); A screening mechanism (2) is provided on one side of the stirring mechanism (1), and a second driving motor (204) is installed on one side of the screening mechanism (2); It is characterized in that Also includes: The stirring mechanism (1) comprises a mixing bin (101), a discharge valve (102) is installed at the center of the bottom of the mixing bin (101), a lower hopper (103) is fixedly connected to one side of the top of the mixing bin (101), and a fixed frame (104) is fixedly connected to one side of the mixing bin (101) close to the lower hopper (103); One side of the fixed frame (104) is fixedly connected to the first drive motor (105); the output end of the first drive motor (105) passes through the fixed frame (104) and is fixedly connected to a driving wheel (106); one side of the driving wheel (106) is meshedly connected to a first driven wheel (107); The bottom of the first driven wheel (107) is fixedly connected to a stirring rod (108), and the outer side of the stirring rod (108) is fixedly connected to a plurality of stirring blades (109), the number of the stirring blades (109) is not less than eight groups, and the stirring blades (109) are evenly distributed on both sides of the stirring rod (108).

2. The contaminated soil remediation pretreatment device that is easy to screen according to claim 1 is characterized by: The other side of the driving wheel (106) is meshedly connected with a second driven wheel (110); the top of the second driven wheel (110) is rotatably connected to the fixed frame (104); the bottom end of the second driven wheel (110) is fixedly connected with a roller shaft (111); the end of the roller shaft (111) away from the second driven wheel (110) passes through the stirring rod (108) and is fixedly connected with a propeller (112).

3. The contaminated soil remediation pretreatment device that is easy to screen according to claim 1 is characterized by: The screening mechanism (2) comprises a base (201), one side of the top of the base (201) is fixedly connected to a conveying bin (202), the top of the conveying bin (202) is fixedly connected to a feed hopper (203), and one side of the conveying bin (202) is fixedly connected to a second drive motor (204).

4. The contaminated soil remediation pretreatment device that is easy to screen according to claim 3 is characterized by: The output end of the second driving motor (204) passes through the conveying bin (202) and is fixedly connected to a pushing paddle (205); one end of the pushing paddle (205) away from the second driving motor (204) is fixedly connected to a screen frame (206).

5. The contaminated soil remediation pretreatment device that is easy to screen according to claim 4 is characterized by: One end of the screen frame (206) away from the push paddle (205) is fixedly connected to a bearing (207), the inner wall of the bearing (207) is fixedly connected to a support column (208), and the top of the support column (208) is fixedly connected to a protective cover (209).

6. The contaminated soil remediation pretreatment device that is easy to screen according to claim 5, characterized in that: The bottom of the protective cover (209) is fixedly connected to the base (201), and a conveyor belt (210) is arranged below the screen frame (206).

7. The contaminated soil remediation pretreatment device that is easy to screen according to claim 6 is characterized by: A water pump (211) is fixedly connected to one side of the top of the protective cover (209), and a collection bin (212) is provided below the base (201).

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