CN212925598U

CN212925598U - Pulp flow box fiber blending device for papermaking production

Info

Publication number: CN212925598U
Application number: CN202021099817.6U
Authority: CN
Inventors: 俞学兵
Original assignee: YANCHENG HONGYU PAPER MACHINERY CO Ltd
Current assignee: YANCHENG HONGYU PAPER MACHINERY CO Ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-04-09
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a pulp flow box fiber mixing device for papermaking production, which comprises a pulp flow box, wherein a belt pulley is horizontally arranged in the middle of the inside of the pulp flow box, the bottom of the pulp flow box is provided with a base, the top of the base is uniformly provided with a plurality of lower spray pipes, the other ends of the lower spray pipes are provided with water storage plates, one side of the water storage plates, which is far away from the lower spray pipes, is connected with a lower main water inlet pipe, the other end of the lower main water inlet pipe is provided with a second water pump, the other end of the second water pump is connected with a water storage tank through a water pipe, two sides of the top of the pulp flow box are symmetrically provided with linear guide rails, the two linear guide rails are provided with a first water flushing pipe and a second water flushing pipe, a plurality of connecting water pipes are arranged between the first water flushing pipe and the second water flushing pipe through welding, the other end of the first water pump is connected with the reservoir through a water pipe.

Description

Pulp flow box fiber blending device for papermaking production

Technical Field

The utility model relates to a papermaking field, concretely relates to pulp flowing box fibre mixing device for papermaking production.

Background

The headbox is a critical part of modern paper machines. Its structure and properties are decisive for the formation of the sheet and the quality of the paper. The main functions of the device are as follows: 1. the fiber can be effectively dispersed; the high-turbulence head box can generate high-strength micro-turbulence, can effectively disperse fibers, prevent the fibers from precipitating and re-flocculating, and can effectively improve the strength of paper sheets; 2. evenly distributing the stock in the cross direction of the machine (determining the cross direction basis weight distribution of the web); 3. the guniting is stable, and the consistency of the pulp speed and the wire speed is ensured (the longitudinal quantitative distribution of the paper web is determined).

The existing head box is easy to separate up and down due to different buoyancy after the slurry is diluted, and is also easy to cause the phenomenon of limiting separation due to insufficient flow velocity.

Disclosure of Invention

For solving the not enough of prior art, the utility model aims to provide a simple structure goes out water in step, the effectual pulp flowing box fibre mixing device for papermaking production of mixing.

In order to achieve the above object, the utility model adopts the following technical scheme:

a pulp flowing box fiber mixing device for papermaking production comprises a pulp flowing box, wherein a belt pulley is horizontally arranged in the middle of the inside of the pulp flowing box, a base is arranged at the bottom of the pulp flowing box, a plurality of lower water spraying pipes are uniformly arranged at the top of the base, a water storage plate is arranged at the other end of each lower water spraying pipe, one side of the water storage plate, far away from the lower water spraying pipes, is connected with a lower main water inlet pipe, a second water pump is arranged at the other end of each lower main water inlet pipe, the other end of the second water pump is connected with a water storage tank through a water pipe, linear guide rails are symmetrically arranged on two sides of the top of the pulp flowing box, a first water flushing pipe and a second water flushing pipe are arranged on the two linear guide rails, a plurality of connecting water pipes are welded between the first water flushing pipe and the second water flushing pipe, the other end of the first water pump is connected with the reservoir through a water pipe.

Preferably, the belt pulley is arranged inside the head box through a support rod, the support rod is fixed on the head box, and the belt pulley drives the slurry in the head box to flow so as to prevent fiber from precipitating or forming knots.

Preferably, the water storage plate and the lower main water inlet pipe are arranged in the base, and the base can play a supporting role, so that the space is saved, and the production cost is reduced.

More preferably, the number of the connecting water pipes is the same as that of the upper water spraying pipes, so that the upper water spraying pipes can spray water synchronously, and the influence on paper quality due to uneven concentration of the slurry in the head box is prevented.

Further preferably, a control valve is arranged on the connecting water pipe, water spraying can be effectively controlled through the control valve, and the synchronism of water outlet is guaranteed.

Still further preferably, the distance from the bottom of the pulley to the top of the lower spray pipe is less than the distance from the top of the pulley to the bottom of the upper spray pipe.

Still more preferably, the lower water spraying pipe is connected with a pulse controller, and the pulse controller controls the lower water spraying pipe to prevent the fiber at the bottom from sinking and affecting the quality of paper.

The utility model discloses an useful part lies in: the utility model has simple structure and convenient operation, can effectively mix the fibers uniformly, prevent the fibers from static precipitation in the slurry box, and reduce the quality of paper; the belt pulley can effectively drive the slurry at the middle bottom in the head box to flow and mix uniformly, so that the fibers are effectively prevented from forming knots; by arranging the upper spray pipe and the lower spray pipe, water is sprayed from the upper direction and the lower direction, so that dilution water can be provided, slurry can be effectively prevented from precipitating, and the blending efficiency can be accelerated; the control valve is arranged, so that the water spraying synchronism of the upper water spraying pipe can be improved; through setting up pulse controller, can intake periodically, it is more convenient.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a schematic view showing a connection relationship between the first flush pipe and the second flush pipe.

The meaning of the reference symbols in the figures: 1. the device comprises a head box, 2, a belt pulley, 3, a base, 4, a lower water spraying pipe, 5, a water storage plate, 6, a lower main water inlet pipe, 7, a linear guide rail, 8, a first flushing pipe, 9, an upper water spraying pipe, 10, a second flushing pipe, 11, a control valve, 12, an upper main water inlet pipe, 13, a first water pump, 14, a reservoir, 15 and a second water pump.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a 1 fibre mixing device of head box for papermaking production, includes head box 1, and the level is provided with belt pulley 2 in the middle of 1 inside of head box, and belt pulley 2 sets up in head box 1 inside through the bracing piece, and the bracing piece is fixed in on the head box 1, drives the thick liquid flow in the head box 1 through belt pulley 2 and flows, prevents that the fibre from deposiing or becoming the knot.

The distance from the bottom of the pulley 2 to the top of the lower spray pipe 4 is smaller than the distance from the top of the pulley 2 to the bottom of the upper spray pipe 9.

The bottom of the pulp flowing box 1 is provided with a base 3, the top of the base 3 is uniformly provided with a plurality of lower water spraying pipes 4, the other ends of the lower water spraying pipes 4 are provided with water storage plates 5, one side, far away from the lower water spraying pipes 4, of each water storage plate 5 is connected with a lower main water inlet pipe 6, the other end of each lower main water inlet pipe 6 is provided with a second water pump 15, and the other end of each second water pump 15 is connected with a water storage tank.

The water storage plate 5 and the lower main water inlet pipe 6 are arranged in the base 3, and the base 3 can play a supporting role, so that the space is saved, and the production cost is reduced.

The lower water spraying pipe 4 is connected with a pulse controller, and the lower water spraying pipe 4 is controlled by the pulse controller to prevent the bottom fiber from sinking and affecting the quality of paper.

The bilateral symmetry in head box 1 top is provided with linear guide 7, is provided with first wash pipe 8 and second wash pipe 10 on two linear guide 7, can drive first wash pipe 8 and the second wash pipe 10 back-and-forth movement through linear guide 7, is convenient for increase the dilution water, is provided with a plurality of connecting water pipes through the welding between first wash pipe 8 and the second wash pipe 10, and the bottom of first wash pipe 8 evenly is provided with a plurality of spray pipes 9 of going up.

The number of connecting the water pipe is the same with the number of last spray pipe 9, can make and go up spray pipe 9 and spray water in step, prevents to cause thick liquids concentration inequality in head box 1, influences the paper quality, is provided with control valve 11 on the connecting water pipe, through control valve 11, can effectual control spray water, guarantees the synchronism of play water.

The middle part of one side, far away from the connecting water pipe, of the second flushing pipe 10 is provided with an upper main water inlet pipe 12, the other end of the upper main water inlet pipe 12 is connected with a first water pump 13, and the other end of the first water pump 13 is connected with a reservoir 14 through a water pipe.

The utility model discloses an useful part lies in: the utility model has simple structure and convenient operation, can effectively mix the fibers uniformly, prevent the fibers from static precipitation in the slurry box 1 and reduce the quality of paper; the belt pulley 2 can effectively drive the pulp at the middle bottom part in the pulp flowing box 1 to flow and mix uniformly, so that the fibers are effectively prevented from forming knots; by arranging the upper spray pipe 9 and the lower spray pipe 4, water is sprayed from the upper direction and the lower direction, so that dilution water can be provided, slurry can be effectively prevented from precipitating, and the mixing efficiency can be accelerated; the control valve 11 is arranged, so that the water spraying synchronism of the upper water spraying pipe 9 can be improved; through setting up pulse controller, can intake periodically, it is more convenient.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. A pulp flowing box fiber blending device for papermaking production comprises a pulp flowing box and is characterized in that a belt pulley is horizontally arranged in the middle of the inside of the pulp flowing box, a base is arranged at the bottom of the pulp flowing box, a plurality of lower water spraying pipes are evenly arranged at the top of the base, a water storage plate is arranged at the other end of each lower water spraying pipe, one side, far away from the lower water spraying pipe, of the water storage plate is connected with a lower main water inlet pipe, a second water pump is arranged at the other end of each lower main water inlet pipe, the other end of the second water pump is connected with a water storage tank through a water pipe, linear guide rails are symmetrically arranged on two sides of the top of the pulp flowing box, a first water flushing pipe and a second water flushing pipe are arranged on the two linear guide rails, a plurality of connecting water pipes are arranged between the first water flushing pipe and the second water flushing pipe in a welding manner, a, the other end of the upper main water inlet pipe is connected with a first water pump, and the other end of the first water pump is connected with the reservoir through a water pipe.

2. The headbox fiber mixing device for papermaking according to claim 1, wherein the belt pulley is arranged inside the headbox through a support rod, and the support rod is fixed on the headbox.

3. The pulp flow box fiber blending device for papermaking according to claim 1, wherein the water storage plate and the lower main water inlet pipe are both arranged in the base.

4. The headbox fiber mixing device for papermaking according to claim 1, wherein the number of the connecting water pipes is the same as the number of the upper water spraying pipes.

5. The pulp box fiber blending device for papermaking according to claim 1, wherein the connecting water pipe is provided with a control valve.

6. The headbox fiber mixing apparatus of claim 1, wherein the distance from the bottom of the pulley to the top of the lower spray pipe is less than the distance from the top of the pulley to the bottom of the upper spray pipe.

7. The headbox fiber mixing device for papermaking according to claim 1, wherein the lower water jet pipe is connected with a pulse controller.