A single-screw dehydration, drying and puffing equipment

A puffing equipment and single-screw technology, applied in chemical instruments and methods, separation methods, filtration and separation, etc., can solve the problem of low production efficiency of filter presses, achieve the effect of improving the effect and production efficiency, and the equipment occupies a small area

Active Publication Date: 2011-11-30
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problem of low production efficiency of cylinder / plate-and-frame filter presses, the invention realizes the continuous production of extrusion dehydration

Method used

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  • A single-screw dehydration, drying and puffing equipment
  • A single-screw dehydration, drying and puffing equipment
  • A single-screw dehydration, drying and puffing equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] figure 1is an embodiment of the present invention. One end of the frame adjustment device is fixed to the ground, and the other end is fixed on the frame, which is used to adjust the pitch angle of the frame. The motor, the reduction gear mechanism and the barrel pair are fixed on the frame. When the frame adjustment mechanism adjusts the pitch angle of the frame, the equipment changes the pitch angle along with the frame. The motor is connected with the reduction gear mechanism through the transmission device, and the output shaft of the reduction gear mechanism is connected with the separating screw rod installed in the machine barrel through a spline sleeve or a shaft coupling. There is a feeding port on one side of the barrel, which is used to send the water-containing material to the inside of the barrel for dehydration. The other side of the barrel pair is connected with the head pressure control device, which controls the pressure of the water-containing materi...

Embodiment 2

[0037] figure 2 It is embodiment 2 of the present invention. The difference between embodiment 2 and embodiment 1 is that in embodiment 2, an integrated filter screen is used at the outlet 8 in order to increase the filter area of ​​press dehydration and improve the dehydration efficiency. The integrated filter screen extends from the feeding port to the end of the screw press dehydration section, and there are no less than two rows. And use the screw forced feeding device. At the same time, the thread disconnection position of the single-threaded screw section of the separation screw used in this embodiment is the position matching the barrier block of the barrel, which is different from the separation screw 1 and is relatively behind. In order to save manufacturing costs, the double-flight screw section of the screw is canceled and replaced with a single-flight screw section. The feeding method of Example 2 is also different from that of Example 1. A screw forced feeding ...

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PUM

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Abstract

The invention discloses single-screw dehydration, drying and puffing equipment and belongs to dehydration devices. The single-screw dehydration, drying and puffing equipment comprises a screw rack adjustment mechanism, a rack, a motor, a reduction gear mechanism, a screw motive seal, an upper machine barrel, a water outlet, a lower machine barrel, a water outlet filter screen, a machine barrel flattening module, a separation screw, a machine barrel barrier module, a heating and cooling device, an air exhaust filter screen, a machine head pressure control device and an automatic control system. One end of the rack adjustment device is fixed with the ground, and the other end of the rack adjustment device is fixed on the rack with an adjustable inclined angle and is used for adjusting the inclined angle of the rack. A groove is formed on the machine barrel and is provided with a filter screen and the machine barrel is provided with a vent hole. The machine head pressure control device is connected with an outlet of the machine barrel, and the pressure of the outlet material is controlled by adjusting the position of a damping plate. Aiming at the problem of poor material extrusion effect of a continuous spiral press filter, a varying pitch double thread design is set, so that the effect of pressure reduction is achieved; and the rack with an adjustable pitch angle is arranged, so that the dehydration and drainage effects of equipment are improved by a gravity effect.

Description

technical field [0001] The invention relates to a high-efficiency dehydration device for dehydrating and drying materials with high moisture content to reduce the moisture content, and also relates to a puffing and molding device for friction crushing, extrusion puffing and cell wall breaking of materials. Background technique [0002] Squeeze dehydration is the operation of using mechanical compression to separate the viscous solid-liquid mixture into solid and clear liquid through filter cloth. It is a highly dehydrating solid-liquid separation technology. It is widely used in chemical industry, metallurgy, mining, energy, dyestuff, pigment, inorganic chemical industry, petrochemical industry, biochemical industry, pharmaceutical, food, environmental protection and sewage treatment and other fields. [0003] At present, the commonly used extrusion dehydration devices can be divided into three types: cylinder / plate and frame filter press, belt filter press, continuous screw...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/46B01D29/82
Inventor 张冰李鑫
Owner BEIJING UNIV OF CHEM TECH
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