High-efficiency pulp filter-pressing and dehydrating equipment

A technology for filter press dehydration and pulp, applied in the direction of pulp dehydration, etc., can solve the problems of poor pulp carrying, affecting pulp extrusion effect, insufficient line pressure extrusion, etc., to ensure integrity, improve filter press dehydration effect, mechanical Simple and effective structure

Active Publication Date: 2019-03-19
SICHUAN QIANWEI FENGSHENG PAPER LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problems in the prior art that the pulp carried by the two squeeze rollers is poor, and the linear pressure extrusion is insufficient, which affects the squeeze effect, the purpose of the present invention is to provide a high-efficiency pulp filter dehydration equipment, which can effectively improve the two Squeezing roller squeezes the slurry carrying property, and utilizes extrusion protrusions to intermesh and squeeze the slurry in the extrusion zone to improve the filter press dehydration effect of the pulp

Method used

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  • High-efficiency pulp filter-pressing and dehydrating equipment
  • High-efficiency pulp filter-pressing and dehydrating equipment
  • High-efficiency pulp filter-pressing and dehydrating equipment

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Embodiment 2

[0044] Embodiment 2 is basically the same as Embodiment 1, the difference is that this embodiment provides a kind of high-efficiency pulp filter press dehydration equipment, please refer to figure 1 As shown, this embodiment also includes a cleaning mechanism 8 for cleaning the two squeeze rolls on the left and right sides of the pulp tank support plate 5. Specifically, the cleaning mechanism 8 includes a cleaning pipeline 81, a nozzle 82, and a cleaning pipeline 81. The connected water pump and the nozzle 82 are connected to the end of the cleaning pipeline 81 and fixed on the slurry tank support plate 5; and the cleaning pipeline 81 is provided with a solenoid valve 83, and the solenoid valve 83 is connected to the controller. A filter hole communicating with the high-pressure area 71 or the low-pressure area 72 can be provided on the extrusion protrusion 21, so that when the extrusion protrusion 21 approaches the low-pressure area 72, the slurry can be filtered through the e...

Embodiment 3

[0046] Embodiment 3 is basically the same as Embodiment 2, the difference is that this embodiment provides a kind of high-efficiency pulp filter press dehydration equipment, please refer to figure 1 As shown, this embodiment also includes improvements to the doctor blades respectively arranged on the upper end surfaces of the two squeeze rolls. Specifically, an elastic mechanism is installed on the frame shell 10, and the elastic mechanism includes a blade fixed on the frame shell 10. The limit box 12 and the tension spring 13 and the iron block 14 located in the limit box 12, the scraper includes a scraper bar 15, a V-shaped connecting frame 16 and a scraper head 17 connected sequentially from top to bottom, and the upper end of the scraper bar 15 The iron block 14 is connected with the tension spring 13, and the frame housing is provided with a slide rail 18 for the scraper bar 15 to slide up and down. The frame shell 10 is hinged, and the other end is fixedly connected with...

Embodiment 4

[0048] Embodiment 4 is basically the same as Embodiment 3, the difference is that this embodiment provides a kind of high-efficiency pulp filter press dehydration equipment, please combine figure 1 , Figure 4 and Figure 5 As shown, the screw conveying mechanism 9 is a screw structure with variable diameter and variable pitch, and the screw conveying mechanism 9 includes a casing 91, a servo motor 92, a rotating shaft 93 connected to the output shaft of the servo motor 92, and a telescopic shaft sleeved on the rotating shaft 93 Sleeve 94, telescopic shaft sleeve 94 is provided with helical blade 95, is provided with flexible section 96 on telescopic shaft sleeve 94 between adjacent two helical blades 95, is provided with The hydraulic pump 97 that rotates synchronously with the rotating shaft 93 is provided with a turntable that is fixedly connected to the rotating shaft 93 at the feed end 33 of the rotating shaft 93. The central axis of the turntable is on the same straight...

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Abstract

The invention discloses high-efficiency pulp filter-pressing and dehydrating equipment, and relates to the technical field of paper-making mechanical equipment. The equipment comprises a base, two pressing rollers, a spiral conveying mechanism and a frame shell arranged on two sides of the base, wherein a stock tank supporting plate and a driving mechanism driving the two pressing rollers to rotate are arranged on the base; and extruding bumps are uniformly distributed on the circumference of the two pressing rollers, and accommodating grooves for accommodating extruding bumps and power components which are used for driving the extruding bumps to extend out or retract along the accommodating grooves are arranged on inner sides of the two pressing rollers correspondingly. By implementing the technical scheme, the pulp carrying performance of the two pressing rollers can be effectively improved, pulp in an extruding area can be meshed and extruded with each other by utilizing the extruding bumps, the pulp discharge concentration can be 46 percent or more, and the filter-pressing and dehydrating effect of pulp can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of papermaking machinery and equipment, and more specifically relates to a high-efficiency pulp filter press dehydration equipment. Background technique [0002] The modern papermaking process is mainly composed of two links: including the pulping section and the papermaking section. Pulping is the first step in papermaking. Generally, there are three methods of converting wood into pulp: mechanical pulping, chemical pulping and semi-chemical pulping. At present, the papermaking raw materials used by large paper mills are basically processed Good wood pulp and recycled waste paper, using waste paper to make paper has the following beneficial effects: it can reduce operating costs, reduce process links, and can directly make pulp and paper; save energy (such as water, electricity, coal) and labor resources; reduce raw material costs and product cost, enhanced the market competitiveness and market share of co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21C9/18
CPCD21C9/18
Inventor 杨朝林周传平申群林
Owner SICHUAN QIANWEI FENGSHENG PAPER LLC
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