CN219260573U - Papermaking head box - Google Patents
Papermaking head box Download PDFInfo
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- CN219260573U CN219260573U CN202223533400.8U CN202223533400U CN219260573U CN 219260573 U CN219260573 U CN 219260573U CN 202223533400 U CN202223533400 U CN 202223533400U CN 219260573 U CN219260573 U CN 219260573U
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- pulp
- flowing tank
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- head box
- pulp flowing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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Abstract
The utility model relates to a papermaking head box, which belongs to the technical field of pulp processing and comprises a head box, a rotating assembly, a mounting pipe and a spiral blade, wherein the top of the head box is provided with a feed pipe and a feed pipe, the bottom of the head box is provided with a discharge pipe, the rotating assembly is arranged on the head box, a rotating shaft of the rotating assembly is positioned in the head box, the mounting pipe is sleeved on the rotating shaft of the rotating assembly, the mounting pipe is positioned in the head box, the inner side of the spiral blade is arranged on the outer wall of the mounting pipe, and the outer side of the spiral blade is in sliding abutting connection with the inner wall of the head box, so that the papermaking head box scrapes attachments on the inner wall of the head box through the spiral blade, and the head box is cleaned.
Description
Technical Field
The utility model belongs to the technical field of pulp processing, and particularly relates to a papermaking head box.
Background
The head box is a key part of a paper machine, and has the functions of ensuring that paper materials are uniformly and stably on the ground along the whole width of the paper machine, keeping proper flow and flow rate, creating conditions for forming uniform wet paper sheets on the paper machine, ensuring that the structure and performance of the head box have decisive effects on the formation of the paper sheets and the quality of the paper sheets, and ensuring that the paper pulp in the head box is easy to form caking and adhere to the inner wall of the head box when the existing head box is used, and is inconvenient to clean and influences the quality of the paper sheets.
Disclosure of Invention
The utility model provides a papermaking head box, which is used for solving the technical problem that the inner wall of the existing head box is stuck with paper pulp and is inconvenient to clean.
The utility model is realized by the following technical scheme: a papermaking headbox comprising:
the top of the pulp flowing tank is provided with a feed pipe and a water inlet pipe, and the bottom of the pulp flowing tank is provided with a discharge pipe;
the rotating assembly is arranged on the pulp flowing tank, and a rotating shaft of the rotating assembly is positioned in the pulp flowing tank;
the installation pipe is sleeved on the rotating shaft of the rotating assembly and is positioned in the slurry flowing tank;
the inner side of the spiral blade is arranged on the outer wall of the installation tube, and the outer side of the spiral blade is in sliding contact with the inner wall of the pulp flowing tank.
Optionally, in order to better implement the present utility model, the rotating assembly includes:
the first motor is arranged on the outer top wall of the pulp flowing tank, and a rotating shaft of the first motor is positioned in the pulp flowing tank;
the rotating rod is arranged on the rotating shaft of the first motor and is positioned in the pulp flowing tank;
and one end of each connecting rod is respectively installed on the side wall of the rotating rod, the other end of each connecting rod is respectively installed at two ends of the installation tube, and the connecting rods are used for fixing the installation tube on the rotating rod.
Alternatively, in order to better implement the present utility model, the connecting rod is a mitsubishi-shaped rod body, and one side edge of the connecting rod is disposed upward.
Optionally, to better implement the present utility model, further includes:
and one end of the stirring plate is arranged on the inner wall of the mounting tube, and the other end of the stirring plate extends towards the direction of the rotating rod.
Optionally, to better implement the present utility model, further includes:
one end of the mounting rod is mounted on the bottom wall of the mounting tube, and the other end of the mounting rod extends downwards;
and the scraper is arranged at one end of the mounting rod, which is far away from the mounting tube, and is in sliding abutting connection with the inner bottom wall of the pulp flowing tank.
Optionally, in order to better realize the utility model, a boss is arranged at the bottom of the pulp flowing tank, the boss is positioned under the installation pipe, a through hole is formed in the top wall of the boss, the discharging pipe is communicated with the pulp flowing tank through the through hole, and the scraper is in sliding abutting connection with the side wall of the boss and the bottom wall of the pulp flowing tank.
Optionally, to better implement the present utility model, further includes:
the pulp homogenizing box is communicated with the discharging pipe and is positioned below the pulp flowing tank, and a pulp outlet is formed in the bottom of the pulp homogenizing box;
the homogenizing roller is rotatably arranged in the homogenizing box;
the second motor is arranged on the side wall of the pulp homogenizing box, a rotating shaft of the second motor is connected with the pulp homogenizing roller, and the second motor is used for controlling the pulp homogenizing roller to rotate.
Optionally, to better implement the present utility model, further includes:
the atomizing nozzle is arranged at one end of the water inlet pipe and is positioned in the pulp flowing tank.
Compared with the prior art, the utility model has the following beneficial effects:
the papermaking head box comprises a head box, a rotating assembly, a mounting pipe and a spiral blade, wherein the top of the head box is provided with a feed pipe and a feed pipe, the bottom of the head box is provided with a discharge pipe, the rotating assembly is mounted on the head box, a rotating shaft of the rotating assembly is positioned in the head box, the mounting pipe is sleeved on the rotating shaft of the rotating assembly, the mounting pipe is positioned in the head box, the inner side of the spiral blade is mounted on the outer wall of the mounting pipe, and the outer side of the spiral blade is in sliding abutting connection with the inner wall of the head box. Thus, the rotating assembly drives the mounting pipe to rotate in the pulp flowing tank so as to drive the spiral blade to rotate, and the spiral blade rotates to scrape attachments in the pulp flowing tank.
Through the structure, the papermaking head box solves the technical problem that the inner wall of the existing head box is stuck with paper pulp and is inconvenient to clean. Specifically, pulp enters the pulp flowing tank from a feeding pipe at the top of the pulp flowing tank, the concentration of the pulp is regulated through a water inlet pipe, and a rotating assembly drives a mounting pipe to rotate so as to drive a spiral blade to rotate, and the spiral blade rotates to scrape attachments on the inner side wall of the pulp flowing tank, so that the aim of cleaning the inner wall of the pulp flowing tank is fulfilled. Therefore, the paper making head box scrapes attachments on the inner wall of the head box through the spiral blades, so that the head box is cleaned, in addition, the spiral blades rotate to drive paper pulp in the head box to move, and the paper pulp in the head box is further mixed, so that the risk of paper pulp sedimentation and blocking is reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a papermaking headbox provided in an embodiment of the present utility model;
fig. 2 is a schematic view of the structure of a papermaking headbox provided in an embodiment of the present utility model.
In the figure: 1-a pulp flowing tank; 2-a rotating assembly; 21-a first motor; 22-rotating a rod; 23-connecting rods; 3-mounting a tube; 4-helical blades; 5-stirring the plate; 6-mounting a rod; 7-scraping knife; 8-a boss; 9-homogenizing box; 10-homogenizing a pulp roller; 11-a second motor; 12-atomizing spray heads; 13-feeding pipe; 14-a water inlet pipe; 15-a discharge pipe; 16-pulp outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
Examples
The embodiment provides a papermaking head box for solving the technical problem that the inner wall of the existing head box is stuck with paper pulp and is inconvenient to clean. The papermaking headbox comprises a headbox 1, a rotating assembly 2, a mounting tube 3 and a helical blade 4, wherein:
the head of the head tank 1 is provided with a feed pipe 13 and a feed pipe 14, and the bottom of the head tank 1 is provided with a discharge pipe 15.
The rotating assembly 2 is arranged on the pulp flowing tank 1, and the rotating shaft of the rotating assembly 2 is positioned in the pulp flowing tank 1.
The installation tube 3 is sleeved on the rotating shaft of the rotating assembly, the installation tube 3 is positioned in the pulp flowing tank 1, and a passage for pulp to pass through is reserved between the inner wall of the installation tube 3 and the rotating shaft of the rotating assembly 2.
The inside of helical blade 4 is installed on the outer wall of installation tube 3, and the outside sliding abutment of helical blade 4 is on the inner wall of head tank 1, and like this, the pulp that adheres to on the head tank 1 inside wall is scraped off by helical blade 4 to upwards drive along with the rotation of helical blade 4, in the time of pulp transfer to the top of installation tube 3, in the pulp gets into the passageway in the installation tube 3, later gets into the bottom of helical blade 4 and upwards transmits again, thereby makes the mixing of pulp more abundant.
Through above-mentioned structure, the papermaking head box that this embodiment provided has solved current head box's inner wall and has glued the inconvenient clean technical problem of paper pulp. Specifically, pulp enters the pulp flowing tank 1 from a feeding pipe 13 at the top of the pulp flowing tank 1, the concentration of the pulp is regulated through a water inlet pipe 14, the rotating assembly 2 drives the installation pipe 3 to rotate, so that the spiral blade 4 is driven to rotate, and the spiral blade 4 rotates to scrape attachments on the inner side wall of the pulp flowing tank 1, so that the purpose of cleaning the inner wall of the pulp flowing tank 1 is achieved. Therefore, the papermaking head box scrapes attachments on the inner wall of the head box 1 through the spiral blades 4, so that the head box is cleaned, in addition, the spiral blades 4 rotate to drive the paper pulp in the head box 1 to move, and the paper pulp in the head box 1 is further mixed, so that the risk of sedimentation and agglomeration of the paper pulp is reduced.
An alternative implementation of this embodiment is as follows: the rotating assembly 2 comprises a first motor 21, a rotating rod 22 and a plurality of connecting rods 23, wherein the first motor 21 is arranged on the outer top wall of the pulp flowing tank 1, a rotating shaft of the first motor 21 is positioned in the pulp flowing tank 1, the rotating rod 22 is arranged on the rotating shaft of the first motor 21, the rotating rod 22 is positioned in the pulp flowing tank 1, one ends of the connecting rods 23 are respectively arranged on the side walls of the rotating rod 22, the other ends of the connecting rods 23 are respectively arranged at two ends of the mounting pipes 3, the connecting rods 23 are used for fixing the mounting pipes 3 on the rotating rod 22, in this way, the connecting rods 23 and the mounting pipes 3 form the channels, gaps are reserved between the top wall and the bottom wall of the mounting pipes 3 and the inner wall of the pulp flowing tank 1, the rotating of the first motor 21 drives the mounting pipes 3 to rotate so as to drive the spiral blades 4 to rotate, finally drive pulp in the pulp flowing tank 1 to be transferred in the channels and the gaps, and attachments are scraped off the inner wall of the pulp flowing tank 1, and the pulp is further stirred.
More preferably, the connecting rod 23 is a triangular prism-shaped rod body, and one side edge of the connecting rod 23 is upwards arranged, so that pulp is not easy to remain on the connecting rod 23, and the structure is more reasonable.
Optionally, the papermaking headbox further comprises an agitating plate 5, one end of the agitating plate 5 is mounted on the inner wall of the mounting tube 3, and the other end extends in the direction of the rotating rod 22, so that when the first motor 21 rotates, the agitating plate 5 is driven to rotate, and the agitating plate 5 drives the pulp in the mounting tube 3 to further rotate, so as to better mix the pulp in the headbox 1.
An alternative implementation of this embodiment is as follows: the papermaking head box further comprises a mounting rod 6 and a scraper 7, one end of the mounting rod 6 is mounted on the bottom wall of the mounting tube 3, the other end of the mounting rod extends downwards, the scraper 7 is mounted on one end, far away from the mounting tube 3, of the mounting rod 6, the scraper 7 is in sliding butt on the inner bottom wall of the head box 1, and therefore when the mounting tube 3 rotates, the mounting tube 3 drives the scraper 7 to scrape sediment at the bottom of the head box 1, and paper pulp in the head box 1 is further evenly mixed.
More preferably, the bottom of the head tank 1 is provided with a boss 8, the boss 8 is positioned under the installation tube 3, a through hole is formed in the top wall of the boss 8, the discharging tube 15 is communicated with the head tank 1 through the through hole, the scraper 7 is in sliding butt on the side wall of the boss 8 and the bottom wall of the head tank 1, and therefore, the head tank 1 is used by the pulp with the optimal guide evenly mixed in the installation tube 3, and the influence of sediment at the bottom of the head tank 1 on production is reduced.
An alternative implementation of this embodiment is as follows: the paper making pulp flowing box further comprises a pulp homogenizing box 9, a pulp homogenizing roller 10 and a second motor 11, wherein the pulp homogenizing box 9 is communicated with a discharging pipe 15, the pulp homogenizing box 9 is located below the pulp flowing tank 1, a pulp outlet 16 is formed in the bottom of the pulp homogenizing box 9, the pulp homogenizing roller 10 is rotatably installed in the pulp homogenizing box 9, the second motor 11 is installed on the side wall of the pulp homogenizing box 9, a rotating shaft of the second motor 11 is connected with the pulp homogenizing roller 10, the second motor 11 is used for controlling the pulp homogenizing roller 10 to rotate, holes are formed in the surface of the pulp homogenizing roller 10, the holes have the effect of energy dissipation resistance, the efficiency resistance of the holes can adjust the uneven flow velocity of pulp, and meanwhile, the pulp flow generates certain vortex micro-turbulence, so that the effect of rectifying and dispersing fibers is achieved.
An alternative implementation of this embodiment is as follows: the papermaking head box further comprises an atomizing nozzle 12, the atomizing nozzle 12 is arranged at one end of the water inlet pipe 14, and the atomizing nozzle 12 is positioned in the head tank 1, so that water vapor entering the head tank 1 is more uniformly mixed with paper pulp, and the influence of uneven water flow distribution on the concentration of the paper pulp is reduced.
The above description is merely an embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present utility model, and it is intended to cover the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
1. A papermaking headbox comprising:
the top of the pulp flowing tank is provided with a feed pipe and a water inlet pipe, and the bottom of the pulp flowing tank is provided with a discharge pipe;
the rotating assembly is arranged on the pulp flowing tank, and a rotating shaft of the rotating assembly is positioned in the pulp flowing tank;
the installation pipe is sleeved on the rotating shaft of the rotating assembly and is positioned in the slurry flowing tank;
the inner side of the spiral blade is arranged on the outer wall of the installation tube, and the outer side of the spiral blade is in sliding contact with the inner wall of the pulp flowing tank.
2. A papermaking headbox according to claim 1, wherein said rotating assembly comprises:
the first motor is arranged on the outer top wall of the pulp flowing tank, and a rotating shaft of the first motor is positioned in the pulp flowing tank;
the rotating rod is arranged on the rotating shaft of the first motor and is positioned in the pulp flowing tank;
and one end of each connecting rod is respectively installed on the side wall of the rotating rod, the other end of each connecting rod is respectively installed at two ends of the installation tube, and the connecting rods are used for fixing the installation tube on the rotating rod.
3. A papermaking headbox according to claim 2, characterized in that: the connecting rod is a triangular prism-shaped rod body, and one side edge of the connecting rod is upwards arranged.
4. A papermaking headbox as recited in claim 2, further comprising:
and one end of the stirring plate is arranged on the inner wall of the mounting tube, and the other end of the stirring plate extends towards the direction of the rotating rod.
5. A papermaking headbox as recited in claim 1, further comprising:
one end of the mounting rod is mounted on the bottom wall of the mounting tube, and the other end of the mounting rod extends downwards;
and the scraper is arranged at one end of the mounting rod, which is far away from the mounting tube, and is in sliding abutting connection with the inner bottom wall of the pulp flowing tank.
6. A papermaking headbox as recited in claim 5, wherein: the bottom of the pulp flowing tank is provided with a boss, the boss is located under the installation pipe, a through hole is formed in the top wall of the boss, the discharging pipe is communicated with the pulp flowing tank through the through hole, and the scraper is in sliding butt with the side wall of the boss and the bottom wall of the pulp flowing tank.
7. A papermaking headbox as recited in claim 1, further comprising:
the pulp homogenizing box is communicated with the discharging pipe and is positioned below the pulp flowing tank, and a pulp outlet is formed in the bottom of the pulp homogenizing box;
the homogenizing roller is rotatably arranged in the homogenizing box;
the second motor is arranged on the side wall of the pulp homogenizing box, a rotating shaft of the second motor is connected with the pulp homogenizing roller, and the second motor is used for controlling the pulp homogenizing roller to rotate.
8. A papermaking headbox as recited in claim 1, further comprising:
the atomizing nozzle is arranged at one end of the water inlet pipe and is positioned in the pulp flowing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223533400.8U CN219260573U (en) | 2022-12-29 | 2022-12-29 | Papermaking head box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223533400.8U CN219260573U (en) | 2022-12-29 | 2022-12-29 | Papermaking head box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219260573U true CN219260573U (en) | 2023-06-27 |
Family
ID=86866068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223533400.8U Active CN219260573U (en) | 2022-12-29 | 2022-12-29 | Papermaking head box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219260573U (en) |
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2022
- 2022-12-29 CN CN202223533400.8U patent/CN219260573U/en active Active
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