CN215518138U - Reflux unit on paper production line - Google Patents
Reflux unit on paper production line Download PDFInfo
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- CN215518138U CN215518138U CN202121579738.XU CN202121579738U CN215518138U CN 215518138 U CN215518138 U CN 215518138U CN 202121579738 U CN202121579738 U CN 202121579738U CN 215518138 U CN215518138 U CN 215518138U
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Abstract
The application relates to a reflux device on a paper production line, which relates to the technical field of paper making production equipment, the technical scheme mainly comprises a pulp inlet groove, a pulp outlet groove and an overflow groove which are integrally formed, wherein the pulp inlet groove is positioned in the middle, the overflow groove and the pulp outlet groove are respectively positioned on two sides of the pulp inlet groove, the lower end of the pulp inlet groove is provided with a pulp inlet connected with a pulp distribution pool for extracting pulp, the lower end of the pulp outlet groove is provided with a pulp outlet connected with the pulp distribution pool of a paper machine for discharging the pulp into the pulp distribution pool of the paper machine, the lower end of the overflow groove is provided with a backflow port connected with the pulp distribution pool for backflow of redundant pulp to the pulp distribution pool, the upper ends of the pulp inlet groove, the pulp outlet groove and the overflow groove are all communicated, the upper end of the pulp outlet groove is lower than the lower end of the overflow groove, when the paper pulp enters the pulp inlet tank from the pulp proportioning tank, the paper pulp overflows to the pulp outlet tank and is discharged to the paper machine pulp tank, and the redundant paper pulp overflows to the overflow tank and is discharged back to the pulp proportioning tank. The application has the effect of stably controlling the amount of pulp discharged into the machine chest.
Description
Technical Field
The application relates to the technical field of papermaking production equipment, in particular to a reflux device on a paper production line.
Background
At present, the production process of paper mainly comprises a pulper, a pulp tank before beating, defibering, a pulp tank after beating, a pulp mixing tank, a paper machine pulp tank, three-section deslagging, a pressure screen, a pulp flowing box, a net part, a squeezing part, a drying part, soft calendaring, reeling, packaging and warehousing. The paper machine pulp tank is used for uniformly mixing paper pulp in the pulp preparation tank and then performing three-stage deslagging procedures.
In the traditional papermaking production process, the paper pulp in the pulp proportioning tank is directly fed into a paper machine pulp tank for stirring and mixing, but the conveying amount of the paper pulp is difficult to control, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
In order to facilitate stable control of the amount of pulp delivered to the stock chest of a paper machine, the application provides a reflow apparatus on a paper production line.
The application provides a reflux unit on paper production line adopts following technical scheme:
a backflow device on a paper production line comprises a pulp inlet groove, a pulp outlet groove and an overflow groove, wherein a pulp inlet connected with a pulp distribution pool is formed in the lower end of the pulp inlet groove, a pulp outlet connected with a paper machine pulp distribution pool is formed in the lower end of the pulp outlet groove, a backflow port connected with the pulp distribution pool is formed in the lower end of the overflow groove, the upper ends of the pulp inlet groove, the pulp outlet groove and the overflow groove are communicated, and the upper end of the pulp outlet groove is lower than the upper end of the overflow groove.
By adopting the technical scheme, the pulp in the pulp mixing tank is divided by the pulp inlet tank, the pulp outlet tank and the overflow tank and then conveyed to the pulp tank of the paper machine, the embodiment is that the pulp enters the pulp inlet tank from the pulp inlet, when the feeding amount of the pulp outlet tank is large, redundant pulp directly overflows to the overflow tank and is discharged to the pulp mixing tank through the backflow port, most pulp overflows to the pulp outlet tank and is discharged to the pulp tank of the paper machine through the pulp outlet, and therefore the stable control of the pulp amount conveyed to the pulp tank of the paper machine is facilitated.
Preferably, the slurry inlet groove is positioned between the overflow groove and the slurry outlet groove.
By adopting the technical scheme, the pulp inlet groove is arranged between the overflow groove and the pulp outlet groove, so that the control and the stable control of the pulp amount conveyed to the pulp tank of the paper machine are further facilitated.
Preferably, the lower ends of the slurry inlet tank, the slurry outlet tank and the overflow tank are provided with fixing frames for fixing the tanks.
Through adopting above-mentioned technical scheme, install fixedly through setting up the mount to advancing dressing trough, play dressing trough and overflow launder, realize advancing the effect that dressing trough, play dressing trough and overflow launder are stably installed.
Preferably, the lower ends of the slurry inlet tank, the slurry outlet tank and the overflow tank are arranged in a funnel shape, and the lower ends of the slurry inlet tank, the slurry outlet tank and the overflow tank are connected with the pipeline through flanges.
Through adopting above-mentioned technical scheme, will advance the dressing trough, go out the dressing trough and overflow launder lower extreme all is hourglass hopper-shaped to the flange joint of grout inlet, play thick liquid mouth and overflow mouth and pipeline is convenient for realize.
Preferably, the upper end of the fixing frame is provided with a positioning groove for embedding the funnel parts of the slurry inlet groove, the slurry outlet groove and the overflow groove.
Through adopting above-mentioned technical scheme, utilize the joint of constant head tank to inlay and establish the effect to install the thick liquid groove of advancing, play thick liquid groove and overflow launder to the mount.
Preferably, the fixing frame is provided with a fixing rod for fixing the slurry inlet tank, the slurry outlet tank and the overflow tank, the lower end of the fixing rod is fixedly connected with the fixing frame, and the upper end of the fixing rod is fixedly connected with the slurry inlet tank, the slurry outlet tank and the overflow tank.
By adopting the technical scheme, the slurry inlet tank, the slurry outlet tank and the overflow tank are further fixed by arranging the fixing rods, and the installation stability of the slurry inlet tank, the slurry outlet tank and the overflow tank on the fixing frame is improved.
Preferably, a ladder is arranged on one side of the fixing frame.
Through adopting above-mentioned technical scheme, the setting of ladder is so that the staff removes to observe into thick liquid groove, play thick liquid groove and overflow launder inslot condition on the mount.
Preferably, the upper end covers of the slurry inlet tank, the slurry outlet tank and the overflow tank are provided with grid plates.
Through adopting above-mentioned technical scheme, the setting of net board drops the condition with pipe blockage to the inslot from the notch upside in order to reduce debris.
In summary, the present application includes at least one of the following beneficial technical effects:
the flow control of the paper pulp conveyed from the pulp distribution tank to the paper machine pulp tank is carried out by arranging a reflux device comprising a pulp inlet tank, a pulp outlet tank and an overflow tank, and redundant paper pulp flows back to the pulp distribution tank through the overflow tank, so that the control of the paper pulp amount conveyed to the paper machine pulp tank is facilitated;
the stable installation and fixation of the slurry inlet groove, the slurry outlet groove and the overflow groove are facilitated by the arrangement of the fixing frame, the fixing rod and the positioning groove.
Drawings
FIG. 1 is a schematic view of the overall structure of a reflow apparatus according to an embodiment of the present application;
fig. 2 is a schematic vertical sectional view of a reflow apparatus according to an embodiment of the present application.
Reference numerals: 1. a slurry inlet groove; 2. a slurry outlet groove; 3. an overflow trough; 4. a pulp inlet; 5. a pulp outlet; 6. a return port; 7. a fixed mount; 8. positioning a groove; 9. fixing the rod; 10. a grid plate; 11. a step.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses reflux unit on paper production line. Referring to fig. 1 and 2, the backflow device includes a slurry inlet tank 1, a slurry outlet tank 2 and an overflow tank 3, which are integrally formed, the slurry inlet tank 1 is located at a middle position, the overflow tank 3 and the slurry outlet tank 2 are respectively located at two sides of the slurry inlet tank 1, a slurry inlet 4 connected with a slurry distribution tank for extracting slurry is arranged at a lower end of the slurry inlet tank 1, a slurry outlet 5 connected with a paper machine slurry tank for discharging slurry into the paper machine slurry tank is arranged at a lower end of the slurry outlet tank 2, a backflow port 6 connected with the slurry distribution tank for backflow of redundant slurry into the slurry distribution tank is arranged at a lower end of the overflow tank 3, the upper ends of the slurry inlet tank 1, the slurry outlet tank 2 and the overflow tank 3 are all communicated, the upper end of the slurry outlet tank 2 is lower than the lower end of the overflow tank 3, when the slurry enters the slurry inlet tank 1 from the slurry distribution tank, the slurry overflows into the slurry outlet tank 2 and is discharged into the paper machine slurry tank, and the redundant slurry overflows into the overflow tank 3 and is discharged back into the slurry distribution tank, thereby realizing the stable control of the pulp amount discharged to the pulp tank of the paper machine.
Advance dressing trough 1, go out dressing trough 2 and 3 lower extremes of overflow launder and all be hourglass hopper-shaped setting, and advance dressing trough 1, it all is connected with pipeline to go out dressing trough 2 and 3 lower extremes of overflow launder, advance dressing trough 1 for stable fixed, go out dressing trough 2 and overflow launder 3, will advance dressing trough 1, go out dressing trough 2 and 3 lower extremes of overflow launder and install mount 7, mount 7 up end is offered and is used for advancing dressing trough 1, the constant head tank 8 that the funnel portion of going out dressing trough 2 and overflow launder 3 inlayed, the setting of constant head tank 8 is so that advance dressing trough 1, the installation is established in the inlaying of play dressing trough 2 and 3 lower extremes of overflow launder, make into dressing trough 1, the installation of play dressing trough 2 and overflow launder 3 is more simple and convenient.
Further, a fixing frame 7 is fixed with a fixing rod 9 positioned on two sides of the slurry inlet tank 1, the slurry outlet tank 2 and the overflow tank 3, the lower end of the fixing rod 9 is fixedly connected with the fixing frame 7, and the upper end of the fixing rod 9 is fixedly connected with the slurry inlet tank 1, the slurry outlet tank 2 and the overflow tank 3 in a supporting manner.
In order to reduce the sundries from falling into the slurry inlet tank 1, the slurry outlet tank 2 and the overflow tank 3, the upper end covers of the slurry inlet tank 1, the slurry outlet tank 2 and the overflow tank 3 are provided with grid plates 10. In order to facilitate the workers to move to the fixing frame 7 to observe the internal conditions of the slurry inlet tank 1, the slurry outlet tank 2 and the overflow tank 3, a ladder 11 is welded on one side of the fixing frame 7.
The implementation principle of the reflux unit on the paper production line of the embodiment of the application is as follows: and (2) pumping the paper pulp from the pulp distribution tank to the pulp inlet tank 1, overflowing the paper pulp to the pulp outlet tank 2 and discharging the paper pulp to the pulp distribution tank after the pulp inlet tank 1 is filled with the paper pulp, continuously raising the liquid level after the pulp outlet tank 2 is filled with the paper pulp until the liquid level exceeds the height of the upper end of the overflow tank 3, and overflowing the redundant paper pulp to the overflow tank 3 and refluxing the redundant paper pulp to the pulp distribution tank.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a reflux unit on paper production line which characterized in that: the pulp inlet and outlet device comprises a pulp inlet tank (1), a pulp outlet tank (2) and an overflow tank (3), wherein a pulp inlet (4) connected with a pulp distribution tank is formed in the lower end of the pulp inlet tank (1), a pulp outlet (5) connected with a pulp distribution tank of a paper machine is formed in the lower end of the pulp outlet tank (2), a backflow port (6) connected with the pulp distribution tank is formed in the lower end of the overflow tank (3), the upper ends of the pulp inlet tank (1), the pulp outlet tank (2) and the overflow tank (3) are all communicated, and the upper end of the pulp outlet tank (2) is lower than the upper end of the overflow tank (3).
2. The reflow apparatus in a paper manufacturing line according to claim 1, wherein: the slurry inlet tank (1) is positioned between the overflow tank (3) and the slurry outlet tank (2).
3. The reflow apparatus in a paper manufacturing line according to claim 1, wherein: the lower ends of the slurry inlet tank (1), the slurry outlet tank (2) and the overflow tank (3) are provided with fixing frames (7) for fixing the tanks.
4. The reflow apparatus in a paper manufacturing line according to claim 3, wherein: the lower ends of the slurry inlet tank (1), the slurry outlet tank (2) and the overflow tank (3) are funnel-shaped, and the lower ends of the slurry inlet tank (1), the slurry outlet tank (2) and the overflow tank (3) are connected with a pipeline through flanges.
5. The reflow apparatus in a paper manufacturing line according to claim 4, wherein: the upper end of the fixing frame (7) is provided with a positioning groove (8) for embedding the funnel parts of the slurry inlet tank (1), the slurry outlet tank (2) and the overflow tank (3).
6. The reflow apparatus in a paper manufacturing line according to claim 5, wherein: the fixing frame (7) is provided with a fixing rod (9) for fixing the slurry inlet tank (1), the slurry outlet tank (2) and the overflow tank (3), the lower end of the fixing rod (9) is fixedly connected with the fixing frame (7), and the upper end of the fixing rod (9) is fixedly connected with the slurry inlet tank (1), the slurry outlet tank (2) and the overflow tank (3).
7. The reflow apparatus in a paper manufacturing line according to claim 3, wherein: a ladder (11) is arranged on one side of the fixed frame (7).
8. The reflow apparatus in a paper manufacturing line according to claim 1, wherein: and the upper end covers of the slurry inlet tank (1), the slurry outlet tank (2) and the overflow tank (3) are provided with grid plates (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121579738.XU CN215518138U (en) | 2021-07-13 | 2021-07-13 | Reflux unit on paper production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121579738.XU CN215518138U (en) | 2021-07-13 | 2021-07-13 | Reflux unit on paper production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215518138U true CN215518138U (en) | 2022-01-14 |
Family
ID=79813102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121579738.XU Active CN215518138U (en) | 2021-07-13 | 2021-07-13 | Reflux unit on paper production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215518138U (en) |
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2021
- 2021-07-13 CN CN202121579738.XU patent/CN215518138U/en active Active
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