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The open type headbox consists of the main parts of spreading, dispersing, homogenizing, and sizing.
The spreading device adopts a stepped diffusion form, and the part in contact with the pulp is made of stainless steel 304. After surface polishing and mirror polishing of the box body, the inner wall roughness is 0.4um, and the other parts are 1.6-0.8um. There is no pulp hanging phenomenon in the part in contact with the pulp.
The stepped diffuser is smooth, with a roughness of 0.4um on the contact surface with the pulp.
The homogenizing roll is made of stainless steel tubes: the inner and outer walls and the hole circumference of the homogenizing roll are polished, equipped with (filtered water) spray tubes to eliminate foam on the pulp surface and avoid pulp hanging on the inner wall. It is composed of two sets of devices, the upper lip rough adjustment and fine adjustment. The rough adjustment device can make the upper lip adjust up and down in the whole width to achieve the opening degree of the papermaking ration.
Fine tune the mechanism and spacing to ensure that the lip opening is consistent across the entire width. To adjust the quantitative difference of local banners. Equipped with a fine dial gauge.
The headbox is equipped with longitudinal and transverse walkways, railings, escalators, etc. The railings, handrails, walkway frames, and brackets are made of steel sections, and the exterior of the railings and handrails is galvanized. The vertical walking board is made of galvanized grid plate, and the horizontal walking board is made of stainless patterned steel plate.
Specially Designed Nozzle
Adjustable Pulp Blocking Plate
Easy to Observe Liquid Level
Square Cone Tube
1. Suitable for paper machine speeds ranging from 10-300m/min
2. Finished paper weight: 14-1500g/m ²
3. Approach flow concentration: 0.1-2.5%
4. Paper width: Paper machines below 1092-5500mm
The open type headbox consists of the main parts of spreading, dispersing, homogenizing, and sizing.
The spreading device adopts a stepped diffusion form, and the part in contact with the pulp is made of stainless steel 304. After surface polishing and mirror polishing of the box body, the inner wall roughness is 0.4um, and the other parts are 1.6-0.8um. There is no pulp hanging phenomenon in the part in contact with the pulp.
The stepped diffuser is smooth, with a roughness of 0.4um on the contact surface with the pulp.
The homogenizing roll is made of stainless steel tubes: the inner and outer walls and the hole circumference of the homogenizing roll are polished, equipped with (filtered water) spray tubes to eliminate foam on the pulp surface and avoid pulp hanging on the inner wall. It is composed of two sets of devices, the upper lip rough adjustment and fine adjustment. The rough adjustment device can make the upper lip adjust up and down in the whole width to achieve the opening degree of the papermaking ration.
Fine tune the mechanism and spacing to ensure that the lip opening is consistent across the entire width. To adjust the quantitative difference of local banners. Equipped with a fine dial gauge.
The headbox is equipped with longitudinal and transverse walkways, railings, escalators, etc. The railings, handrails, walkway frames, and brackets are made of steel sections, and the exterior of the railings and handrails is galvanized. The vertical walking board is made of galvanized grid plate, and the horizontal walking board is made of stainless patterned steel plate.
Specially Designed Nozzle
Adjustable Pulp Blocking Plate
Easy to Observe Liquid Level
Square Cone Tube
1. Suitable for paper machine speeds ranging from 10-300m/min
2. Finished paper weight: 14-1500g/m ²
3. Approach flow concentration: 0.1-2.5%
4. Paper width: Paper machines below 1092-5500mm
