CN2236903Y

CN2236903Y - Wood sheet gravity separator for medium density fibre board

Info

Publication number: CN2236903Y
Application number: CN 95215135
Authority: CN
Inventors: 栾金榜; 齐瑞宇
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-06-19
Filing date: 1995-06-19
Publication date: 1996-10-09
Anticipated expiration: 2005-06-19

Abstract

The utility model provides a wood sheet heavy object separator for producing a fiber board with medium density, which is an improvement for the existing separator. In the utility model, the shapes of blades on a drum wheel and the arrangement mode of the blades on the drum wheel are changed; the shape of each blade is designed into three kinds of structures, the blade 1 is used as a center, the blade 2 and 3 are arranged in sequence and are eudipleural along the circumference, and meanwhile a plurality of small holes are manufactured on the blades. The novel blade shapes form a tortuous Z-shaped passage in arrangement, thus, the moving distance of a wood sheet in the water is enlarged, the separating probability for a heavy object and the wood sheet is enhanced. Because the small holes are arranged on the blades, the flow rate of water flow is accelerated, and cleaning capability for the wood sheet is reinforced. The utility model meets process requirements and has the advantages of improved product quality and reduced cost. The utility model solves the problem that poor separating effect of the existing equipment leads to poor product quality and can be widely used as a separator for wood sheet impurities.

Description

Medium density fibre board (MDF) wood chip heavy object separator

The utility model relates to the manufacturing equipment of medium density fibre board (MDF), particularly produces the separate impurities equipment in the wood chip that medium density fibre board (MDF) uses.

Produce at present medium density fibre board (MDF) with wood chip weight separating treatment equipment by having charging aperture, the body of wood chip outlet and the outlet of weight impurity and be positioned at body and constitute (as shown in Figure 4) by the drum of driven by motor, the blade on the drum is the two kinds of versions (as Fig. 5, shown in Figure 6) that form alternately.When wood chip enters the heavy object separator from feeding mouth, the tank of heavy object separator keeps certain water level, and wood chip is dialled in the water by blade, and the rotation campaign with blade rubs with water in water, emerge then, taken in next wood chip treatment facility by cement.Foreign material such as metal, sandstone, earth are separated, and sink under water and be discharged from by collating unit.Because the distance moved in heavy object separator of wood chip is shorter, and current are also less to the impact of wood chip, so some foreign material on the wood chip are not all separated, and enter with wood chip and to carry out fiber separation in the defibrator.Owing to exist some foreign material, increased the damage of defibrator mill, influenced the quality of production board, cost improves.

Task of the present utility model is: design a kind of impurity weight and separate thoroughly, clean wood chip processor easily.

Task of the present utility model realizes as follows: existing separator is improved, blade shape on the drum and arrangement are changed, blade shape on the drum is designed to three kinds of structures (shown in Fig. 2,3,4) arrangement mode, with blade 1 is the center,

blade

2,3 is arranged in order, and, on blade, be processed with the hole that diameter does not wait along the arrangement of circumference left-right symmetry.

The utility model has been because the shape of blade has formed tortuous B-mode passage on arranging, thereby the move distance of wood chip in water increased, and the probability that weight is separated with wood chip improves greatly; Owing to be processed with aperture on the blade, thereby make the current disorder in the heavy object separator, flow rate of water flow is accelerated, increase with the impulsive force of wood chip, quickened the friction between current and the wood chip, the cleansing power of wood chip is strengthened, satisfy technological requirement, reduced product cost, improve the quality of products.

Fig. 1 is the utility model front view;

Fig. 2 is that the A of Fig. 1 is to view;

Fig. 3 is that the B of Fig. 1 is to view;

Fig. 4 is that the C of Fig. 1 is to view;

Fig. 5 is existing seperator front view;

Fig. 6 is that the D of Fig. 5 is to view;

Fig. 7 is the forward view of Fig. 5;

Preferred forms of the present utility model, as figure, shell separator 4 has charging aperture 5, wood chip outlet 6 and weight outlet 7, the drum 8 that is arranged in the housing is driven by motor 9, three kinds of blade construction forms such as Fig. 2 on the drum, 3, shown in 4, have aperture 10 on it, 11,12, identical 1,1,1,1,2,2,2,2,2,2,3,3,3,3,3 the arrangement mode on drum (as shown in Figure 1) is for being benchmark with the spill blade,

blade

2,3 are arranged in order and have aperture on the blade, having 15 diameters on the blade 1 is Φ 6 apertures, have 13 diameters on the blade 2 and be Φ 6 apertures and arrange along the circumference left-right symmetry, blade 3 with on to have 13 diameters be Φ 6 apertures.

The blade arrangement mode of said three kinds of structural shapes also can be

blade

1,2,3 cycle arrangement successively.

The course of work of this device is: the wood chip that has impurity is entered in the separator by charging aperture, wood chip is dialled in the water by blade, and in water, pass by the formed B-mode passage of drum blade under the impact of current with the rotation campaign of blade, foreign material on the wood chip are separated, wood chip enters defibrator by the wood chip outlet, and impurity falls into the outlet of impurity weight.

Claims

1. produce medium density fibre board (MDF) wood chip heavy object separator for one kind, it comprises that has a charging aperture, the housing of wood chip outlet and weight outlet, be provided with drum in the housing by driven by motor, of the present utility model being characterised in that: drum is provided with the blade of three kinds of versions, its arrangement mode is for being benchmark with spill blade 1, and blade 2,3 is arranged in order, and along the circumference left-right symmetry.

2. separator as claimed in claim 1 is characterized in that: the arrangement mode of the blade of said three kinds of versions is blade 1,2,3 cycle arrangement successively.

3. as claim 1,2 described separators, it is characterized in that: have several apertures on said three kinds of structure blades.