Pulse type soil crushing and screening instrument cleaned by using backblowing method
A pulsed and backflushing technology, applied in the field of soil measurement, can solve the problems of complex instrument structure, difficult cleaning of equipment, and sample contamination.
Inactive Publication Date: 2020-01-14
中国国检测试控股集团青岛京诚有限公司
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Problems solved by technology
[0002] At present, most of the soil crushing and screening technologies on the market use physical structure grinding and crushing. First, the structure of the instrument is relatively complicated and the cost is high; create pollution
And the broken equipment is not easy to clean
Method used
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Embodiment Construction
[0006] The present invention will be described in detail below in combination with specific embodiments.
[0007] Pulse type soil crushing and screening instrument of the present invention such as figure 1 As shown, including the broken tank body 1, the air-dried soil enters from the feed port 2 of the broken tank body 1, and the mouth of the broken tank body 1 is provided with a first-stage extrusion crushing roller 3, and the distance between the rollers is 5mm, so that the soil that cannot be The crushed larger stones and other hard substances are discharged from the crushing tank 1, and the secondary crushing roller 4 is installed under the first-stage crushing roller 3, and the distance between the rollers is 1mm, so as to remove the small stones and other materials that cannot be crushed in the soil. The hard material is discharged from the broken tank body 1. There is a conical sealing valve 5 under the secondary extrusion crushing roller 4, the conical sealing valve 5...
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The invention discloses a pulse type soil crushing and screening instrument cleaned by using a backblowing method. The air-dried soil enters from a feed port of a crushing tank, the mouth part of thecrushing tank body is provided with a two-stage extrusion crushing roller and a conical blocking valve, after feeding is completed, a conical blocking valve is closed, a cavity is connected with an external piston type air compressor, the bottom of the cavity is provided with a piston, the cavity is connected with a large collection tank through a pipeline, a screen is arranged in the large collection tank, the inclination angle of the screen is connected with a small collection tank outside the large collection tank, the bottom of the large collection tank is formed by a filter cloth to forma conical shape, the bottom of the large collection tank is provided with an outlet, the lower portion of the outlet is connected with a cloth bag, the soil powder enters the cloth bag from the outlet, and the pipeline is connected with a blowback device. The pulse type soil crushing and screening instrument has the beneficial effects that the grinding and screening of the soil can be realized ina short time, so that a required sample is obtained, the whole process is closed and free of pollution, and the whole device can be cleaned by backwashing.
Description
technical field [0001] The invention belongs to the technical field of soil measurement, and relates to a pulse type soil crushing and sieving instrument cleaned by a back-blowing method. Background technique [0002] At present, most of the soil crushing and screening technologies on the market use physical structure grinding and crushing. First, the structure of the instrument is relatively complicated and the cost is high; create pollution. And the broken equipment is not easy to clean. Contents of the invention [0003] The purpose of the present invention is to provide a pulse type soil crushing and sieving instrument that is cleaned by the back blowing method. The beneficial effect of the present invention is that the grinding and sieving of the soil can be realized in a very short time, so as to obtain the required samples. The whole process It is closed and pollution-free, and the entire equipment can be cleaned by backwashing. [0004] The technical solution ad...
Claims
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IPC IPC(8): B02C21/00B02C19/06B02C4/02B02C4/28B02C23/10B02C23/20B02C23/14G01N1/28G01N33/24G01N15/02
CPCB02C4/02B02C4/28B02C19/06B02C21/00B02C23/10B02C23/14B02C23/20G01N1/286G01N15/0272G01N33/24G01N2001/2866
Inventor 栾建文郭浩田霞张明贤李海波薛旭
Owner 中国国检测试控股集团青岛京诚有限公司