Automatic solid waste impurity electromagnetic screening device and method

A screening device and electromagnetic technology, applied in the fields of magnetic separation, solid separation, chemical instruments and methods, etc., can solve the problems of small particle size of magnetic metal particles and the removal of magnetic metal particles that cannot be magnetic, so as to avoid secondary mixed effect

Inactive Publication Date: 2018-08-17
浙江明境环保科技集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the inventors have found in practice that the solid waste impurities formed after the sludge produced in domestic sewage plants are dried must be removed from the unqualified particles such as magnetic metal particles before being transported outside, and the removed solid waste impurities can be used in Cement production and processing, but the particle size of the magnetic metal particles is small, the traditional fine grid filter removal method cannot completely remove the magnetic metal particles

Method used

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  • Automatic solid waste impurity electromagnetic screening device and method
  • Automatic solid waste impurity electromagnetic screening device and method
  • Automatic solid waste impurity electromagnetic screening device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Such as figure 1 , figure 2 , image 3 , Figure 4 , Image 6 , Figure 8 with Picture 9 As shown, an automatic electromagnetic screening device for solid waste and impurities includes a box body 1, which is divided into a screen zone 11, a storage zone 12, and a discharge zone 13 from top to bottom, and also includes:

[0053] The electromagnetic screening mechanism 2 is arranged in the box 1 and includes a rotating shaft 21 vertically slidably arranged in the box 1. The inside of the rotating shaft 21 is hollow and arranged along the From top to bottom in the axial direction, an electromagnetic screening assembly 22 and a receiving assembly 23 are arranged in sequence, and the electromagnetic screening assembly 22 and the receiving assembly 23 are both arranged in the screen zone 11, the electromagnetic screening assembly 22 It includes a plurality of shift rods 221 for sieving solid waste impurities, and the material receiving assembly 23 includes a plurality of receiv...

Embodiment approach

[0057] As a preferred embodiment, the electromagnetic screening assembly 22 further includes:

[0058] The magnetic permeable ring 222, the permeable ring 222 is arranged in a circular ring shape, which is fixedly arranged inside the screen section 11, and the inner wall of which is provided with a continuous guide groove 223, the permeable ring 222 is energized by the electromagnet 224 With magnetism; a number of the levers 221 are arranged in a circumferential array along the central axis of the shaft 21, one end of which is slidably arranged in the guide groove 223, the magnetism is transmitted by the magnetic ring 222, and the other end is The rotating shaft 21 is hinged, and the lever 221 is telescopically arranged.

[0059] It should be noted that the magnetic permeable ring 222 is connected to the electromagnet 224, and the electromagnet 224 is electrically connected to the numerical control box through a relay switch. After the electromagnet 224 is energized and magnetized,...

Embodiment 2

[0070] Figure 5 with 10 It is a schematic structural diagram of Embodiment 2 of an automatic electromagnetic screening device for solid waste impurities of the present invention; Figure 5 with 10 As shown, the components that are the same as or corresponding to the first embodiment use the reference numerals corresponding to the first embodiment. For simplicity, only the differences from the first embodiment are described below. The second embodiment and figure 1 The difference of the first embodiment shown is:

[0071] An automatic electromagnetic screening device for solid waste impurities. The hinged position of the rotating shaft 21 and the material receiving trough 231 is provided with a feed port 211, and the feed port 211 is provided with a sealing plate 234. The top of the plate 234 is rotatably connected with the rotating shaft 21.

[0072] Further, a limit hook 235 is provided at one end of the material receiving groove 231 that is hinged with the rotating shaft 21, and...

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Abstract

The invention provides an automatic solid waste impurity electromagnetic screening device and method. The automatic solid waste impurity electromagnetic screening device comprises a box body, whereinan electromagnetic screening mechanism is arranged in the box body, the electromagnetic screening mechanism comprise a rotating shaft which is vertically arranged in the box body in a sliding mode, the inside of the rotating shaft is hollow, and an electromagnetic screening assembly and a material receiving assembly are sequentially arranged from top to bottom in the axial direction of the rotating shaft; a driving mechanism is arranged at the top of the box body, the driving mechanism and the rotating shaft are coaxially arranged, the tail end of the driving mechanism and the top end of the rotating shaft are in inserted match connection, and the rotating shaft can be driven by the driving shaft to rotate. According to the automatic solid waste impurity electromagnetic screening device, broken solid waste impurities are input into a screening area, the solid waste impurities are stirred and screened by a rotary stirring rod with magnetism, magnetic metal in the solid waste impuritiescan be adsorbed by the stirring rod, and the magnetic metal can be automatically output through the hollow inside of the rotating shaft; thus, the problem of automatically screening and outputting themagnetic metal in the solid waste impurities is solved, and full-automatic screening and output of the magnetic metal in the solid waste impurities are achieved.

Description

Technical field [0001] The invention relates to the technical field of solid waste treatment, in particular to an automatic electromagnetic screening device and method for solid waste impurities. Background technique [0002] Large-scale sewage plants in China have high impurity content and complex composition due to rain and sewage confluence and long-distance transportation, including various forms of organic and inorganic impurities, such as melon seed shells, pepper skins, hair fibers, and sand. Impurities in the sludge can be removed by crushing and incineration, but the metal impurities contained in the sludge are difficult to be treated by the above methods. The traditional treatment fee is to use fine grid filtration to remove, especially in the sludge treatment system Due to the concentration of sludge, the content of metal impurities in the sludge will be much higher than the content of metal impurities in the feed water, and these high concentrations of metal impuritie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C1/02B09B3/00
CPCB03C1/02B09B3/00
Inventor 严斌孙超孙建中
Owner 浙江明境环保科技集团有限公司
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