Ultrahigh-voltage high-density insulating paper board isobaric starching device and pulp distribution system

Abstract

The utility model provides an ultra-high voltage high density insulating cardboard isobaric starching device and a pulp distribution system, the pulp distribution system comprises a starching device, the starching device comprises a first-stage cone-shaped body, a second-stage cone-shaped body, a pulp homogenizing plate, a third-stage cylinder and a spherical surface sealing cover, the first-stage cone-shaped body and the second-stage cone-shaped body are both of a big-end-up structure, and the third-stage cylinder is of a spherical surface sealing cover. A slurry inlet is formed in the lower end of the first-stage cone-shaped body, a slurry inlet pipe is connected to the slurry inlet, the first-stage cone-shaped body, the second-stage cone-shaped body, the third-stage cylinder and the spherical sealing cover are sequentially connected from bottom to top, a slurry homogenizing plate is arranged between the second-stage cone-shaped body and the third-stage cylinder, and a plurality of slurry spraying pipe connectors are evenly distributed on the outer edge of the upper end of the third-stage cylinder in the circumferential direction. A slurry spraying pipe is arranged on the slurry spraying pipe connector, a slurry return opening is formed in the upper end of the spherical sealing cover, and a slurry return pipe is connected to the slurry return opening. And by adopting the isobaric starching device, the size precision of the paperboard is effectively controlled, the flow is stable, and the size precision is stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to super, extra -high voltage transformer technical field especially relates to a kind of super extra -high voltage high-density insulation paperboard equal-pressure size and distribution system. BACKGROUND

[0002] High-density insulation paperboard for super, extra -high voltage transformer is made by the distribution system consisting of size, distribution and size net cage.For example Figure 1 As shown in the figure, the traditional size is a square cone body 1a access with slope rectangular slot 1b, shape overall length parallel to round net distribution 2 below, this structure is not conducive to the equal-pressure pressure of pulp flow, need to adjust the opening and closing gap of distribution upper mouth 1c frequently, it is not conducive to the thickness control of paperboard. INVENTION CONTENTS

[0003] The utility model provides a kind of super extra -high voltage high-density insulation paperboard equal-pressure size and distribution system to overcome the deficiencies in the prior art.

[0004] The utility model discloses the technical scheme to be used to solve its technical problems is as follows: a kind of super extra -high voltage high-density insulation paperboard equal-pressure size, including primary conical body, secondary conical body, even pulp board, tertiary cylinder and spherical closure, wherein, the primary conical body and secondary conical body are all the structure of big up small, the primary conical body lower end is equipped with pulp inlet, pulp inlet is connected with pulp inlet pipe, the primary conical body, secondary conical body, tertiary cylinder and spherical closure are sequentially connected from below to above, even pulp board is equipped between the secondary conical body and tertiary cylinder, the outer edge of the tertiary cylinder upper end is evenly distributed with several pulp injection pipe interfaces along circumference, and pulp injection pipe interface is equipped with pulp injection pipe, the spherical closure upper end is equipped with back pulp inlet, and back pulp inlet is connected with back pulp pipe.

[0005] Further, to realize equalization, even pulp board is evenly distributed with several through holes, and the edge of even pulp board is equipped with multiple connecting holes.

[0006] Further, to realize the connection between the primary conical body and the secondary conical body, the upper end edge of the primary conical body and the lower end edge of the secondary conical body are both equipped with narrow flange, and the upper and lower narrow flanges are fixedly connected by locking member.

[0007] Further, to realize the connection between the secondary conical body and the tertiary cylinder, the upper end edge of the secondary conical body and the lower end edge of the tertiary cylinder are both equipped with narrow flange, and the upper and lower narrow flanges are fixedly connected by locking member.

[0008] Further, the upper end edge of the tertiary cylinder is equipped with wide flange, and the pulp injection pipe is evenly distributed on the lower end face of wide flange along circumference.

[0009] Furthermore, in order to achieve the connection between the three-stage cylinder and the spherical cap, the lower edge of the spherical cap is provided with a narrow flange, and the upper narrow flange and the lower wide flange are fixedly connected by a locking member, and the locking position of the locking member is located on the periphery of the shotcrete pipe.

[0010] Furthermore, it also includes a support frame, the upper end of which is connected to the sizing device. The support frame supports the sizing device on the ground or workbench, facilitating its placement and movement.

[0011] A slurry distribution system includes the aforementioned ultra-high voltage high-density insulating paperboard isobaric slurry applicator, and further includes a slurry pump, a slurry pipe, and a slurry distributor. The slurry pump is installed on the slurry inlet pipe, and each of the slurry spray pipes is connected to one end of the slurry pipe, while the other end of the slurry pipe is connected to the slurry distributor. The slurry distributor is installed on the slurry mesh cage.

[0012] To control the slurry pressure and ensure uniform flow in each slurry pipe, the flow rate of the slurry pump is greater than that of the slurry distributor. Therefore, the top of the spherical cap has a slurry return port connected to the slurry return pipe. Excess slurry due to pressure difference flows back to the slurry pool through the slurry return pipe, thus equalizing the pressure.

[0013] The beneficial effects of this utility model are: Compared with traditional sizing devices, the ultra-high voltage high density insulating paperboard isobaric sizing device and sizing system provided by this utility model adopts an isobaric structure, which effectively controls the dimensional accuracy of the paperboard, and ensures stable flow and dimensional accuracy. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] Figure 1 This is a schematic diagram of the structure of a traditional sizing device.

[0016] Figure 2 This is a schematic diagram of the structure of the sizing device of this utility model.

[0017] Figure 3 This is a top view of the structure of a three-stage cylinder.

[0018] Figure 4 This is a schematic diagram of the homogenizing plate.

[0019] Figure 5 This is a schematic diagram showing the connection between the sizing device and the sizing distributor.

[0020] Figure 6 This is a schematic diagram of the slurry distribution system.

[0021] In the figure: 1, the sizing device, 1a, square-to-round cone, 1b, rectangular slot with slope, 1c, sizing device upper opening, 11, primary cone, 12, secondary cone, 13, sizing plate, 131, through hole, 132, connecting hole, 14, tertiary cylinder, 141, sizing pipe interface, 142, connecting hole, 15, wide flange, 16, sizing pipe, 17, spherical cover, 18, narrow flange, 19, sizing return opening, 2, sizing distributor, 3, sizing inlet pipe, 4, sizing return pipe, 5, sizing hose, 6, locking piece, 7, support frame, 8, sizing screen cage. DETAILED DESCRIPTION

[0022] The utility model will be explained further in detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically illustrate the basic structure of the utility model, thus only show the structure related to the utility model, and the direction and reference (such as up, down, left, right, etc.) can be only used to help the description of the features in the drawings. Therefore, the following specific embodiments are not in the restrictive sense, and the scope of the claimed subject matter is only limited by the appended claims and their equivalents.

[0023] As Figures 2-4The utility model discloses a kind of super extra-high voltage high-density insulation paper board isostatic stuffers 1, including primary conical body 11, secondary conical body 12, uniform pulp board, tertiary cylinder 14 and spherical closure 17, wherein, primary conical body 11 and secondary conical body 12 are all structure of big up small, the lower end of primary conical body 11 is equipped with pulp inlet, pulp inlet is connected with pulp inlet pipe 3, primary conical body 11, secondary conical body 12, tertiary cylinder 14 and spherical closure 17 are sequentially connected from below to above, pulp board 13 is equipped between secondary conical body 12 and tertiary cylinder 14, pulp board 13 is uniformly distributed with several through holes 131, the edge of pulp board 13 is equipped with multiple connecting holes 132. The outer edge of the upper end of tertiary cylinder 14 is evenly distributed with several pulp injection pipe interfaces 141 along circumference, pulp injection pipe interface 141 is equipped with pulp injection pipe 16, the upper end of spherical closure 17 is equipped with back pulp inlet 19, back pulp inlet 19 is connected with back pulp pipe 4. It further includes support frame 7, and the upper end of support frame 7 is connected on stuffier 1. By support frame 7, stuffier 1 is supported on ground or workbench, the placement and movement of stuffier 1 are facilitated. To realize the connection between primary conical body 11 and secondary conical body 12, the upper end edge of primary conical body 11 and the lower end edge of secondary conical body 12 are both equipped with narrow flange 18, and the upper and lower narrow flanges 18 are fixedly connected by locking member 6. To realize the connection between secondary conical body 12 and tertiary cylinder 14, the upper end edge of secondary conical body 12 and the lower end edge of tertiary cylinder 14 are both equipped with narrow flange 18, and the upper and lower narrow flanges 18 are fixedly connected by locking member 6. The upper end edge of tertiary cylinder 14 is equipped with wide flange 15, and pulp injection pipe interface 141 is arranged on wide flange 15, and pulp injection pipe 16 is connected to pulp injection pipe interface 141, and the pulp injection pipe 16 is evenly distributed on the lower end surface of wide flange 15 along the circumference, and wide flange 15 is also equipped with connecting hole 142 for fastener connection. To realize the connection between tertiary cylinder 14 and spherical closure 17, the lower end edge of spherical closure 17 is equipped with narrow flange 18, and the upper end narrow flange 18 and the lower end wide flange 15 are fixedly connected by locking member 6, and the locking position of locking member 6 is located at the periphery of pulp injection pipe 16. In the embodiment, locking member 6 is preferably bolt and nut, and can also be connected and fixed by using buckle structure.

[0024] As Figure 5 And Figure 6As shown, a pulp distribution system comprises the above super-high voltage high-density insulation paper board isostatic sizer 1, and further comprises a sizer pump, a sizer pipe and a pulp distributor 2, the sizer pump is arranged on the pulp inlet pipe 3, each of the pulp injection pipes 16 is connected with one end of the sizer pipe, the other end of the sizer pipe is connected to the pulp distributor 2, and the pulp distributor 2 is arranged on the sizer net cage 8. In order to control the sizer pressure and ensure the uniform flow in each sizer pipe, the flow of the sizer pump is greater than that of the pulp distributor 2. Therefore, a pulp return port 19 is arranged on the top of the spherical cover 17 to connect a pulp return pipe 4, and the pulp liquid with excess pressure difference flows back to the pulp pool through the pulp return pipe 4, so that the pressure is balanced.

[0025] Working principle:

[0026] The pulp mixed liquid is transported to the first conical body 11 through the sizer pump and the pulp inlet pipe 3 to be uniformly mixed, and then gradually upwards to the second conical body 12 to be uniformly mixed, and then further uniformly mixed through the pulp mixing plate 13, and then enters the spherical cover 17 through the third cylindrical body 14, so that the pulp liquid is uniformly mixed into the pulp injection pipe 16 on the circumference of the third cylindrical body 14, the pulp injection pipe 16 of the third cylindrical body 14 is connected to the pulp inlet pipe 3 of the pulp distributor 2 through the sizer hose 5, the number of the pulp injection pipe 16 is equal to the number of the pulp inlet pipe 3 of the pulp distributor 2 on the paperboard circular net wetting line, the pulp distributor 2 is arranged on the sizer net cage 8, and the pulp is distributed layer by layer through the rotation of the sizer net cage 8 and the movement of the pulp distributor 2. It should be noted that the sizer hose 5 used here has equal diameter and length, so as to ensure that the sizer pressure is equal. In this way, the unit area sizer amount entering the paperboard circular net is also the same, and the liquid flow is converted into uniform single-layer wet paper with uniform grammage through the dehydration of the paperboard circular net.

[0027] In order to control the sizer pressure, it is necessary to ensure that the flow of the sizer pump is greater than that of the pulp distributor, so that the pulp return port 19 is arranged on the top of the spherical cover 17, the pulp liquid with excess pressure difference flows back to the pulp pool through the pulp return pipe 4, so that the pressure is balanced.

[0028] Based on the above ideal embodiment of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the scope of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of the claims.

Claims

1. An isodensifier for super extra high voltage high density insulation paper board, characterized by: The device comprises a first cone, a second cone, a homogenizing plate, a third cylinder and a spherical cover, wherein the first cone and the second cone are both large at the top and small at the bottom, the first cone is provided with a pulp inlet at the lower end, the pulp inlet is connected with a pulp inlet pipe, the first cone, the second cone, the third cylinder and the spherical cover are connected in sequence from bottom to top, the homogenizing plate is arranged between the second cone and the third cylinder, the outer edge of the upper end of the third cylinder is uniformly distributed with a plurality of pulp spraying pipe interfaces in the circumferential direction, the pulp spraying pipe interfaces are provided with pulp spraying pipes, the spherical cover is provided with a pulp return port at the upper end, and the pulp return port is connected with a pulp return pipe.

2. An isopressing size press for ultra extra high voltage high density insulation paper board according to claim 1, characterized in that: The homogenizing plate is uniformly distributed with a plurality of through holes, and the edge of the homogenizing plate is provided with a plurality of connecting holes.

3. An isopressing size press for ultra extra high voltage high density insulation paper board as claimed in claim 1, wherein: The upper end edge of the first cone and the lower end edge of the second cone are both provided with narrow flanges, and the upper and lower narrow flanges are fixedly connected through locking members.

4. The isopressing size press for ultra extra high voltage high density insulation paper board according to claim 1, characterized in that: The upper end edge of the second cone and the lower end edge of the third cylinder are both provided with narrow flanges, and the upper and lower narrow flanges are fixedly connected through locking members.

5. The ultra-high voltage high-density insulating paperboard isobaric sizing device as described in claim 1, characterized in that: The upper end edge of the third cylinder is provided with a wide flange, and the pulp spraying pipes are uniformly distributed on the lower end face of the wide flange in the circumferential direction.

6. The isopressing size press for ultra extra high voltage high density insulation paper board according to claim 4, wherein: The lower end edge of the spherical cover is provided with a narrow flange, the upper end narrow flange and the lower end wide flange are fixedly connected through locking members, and the locking position of the locking members is located at the periphery of the pulp spraying pipes.

7. The hyper-very high voltage high density insulation paper board isoelectric sizer according to claim 1, characterized in that: The device further comprises a support frame, and the upper end of the support frame is connected to the pulp applicator.

8. A pulp distribution system characterized by: The device comprises the ultra-high voltage high-density insulation paper board isobaric pulp applicator according to any one of claims 1-7, and further comprises a pulp feeding pump, a pulp feeding pipe and a pulp distributing device, the pulp feeding pump is arranged on the pulp inlet pipe, each pulp spraying pipe is connected with one end of the pulp feeding pipe, the other end of the pulp feeding pipe is connected to the pulp distributing device, and the pulp distributing device is arranged on the pulp screen cage.

9. The pulp distribution system of claim 8, wherein: The flow of the pulp feeding pump is greater than that of the pulp distributing device.

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