Automatic dehydration device for producing coated white board
By incorporating a filtration structure into the production of coated whiteboard paper, the problems of increased water treatment pressure and costs caused by fiber discharge with water are solved, enabling fiber recycling and cost reduction.
Patent Information
- Application Number
- CN202520366775.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-04
AI Technical Summary
During the production of coated whiteboard paper, fibers are discharged with water during the dehydration process, increasing the pressure of subsequent water treatment and production costs.
A filtration structure, including a filter screen, support mesh frame, and sealing ring, is installed at the drainage location to recycle fibers and reuse them in production, reducing water treatment pressure and production costs.
By recycling fibers through the filtration structure, the pressure on subsequent water treatment is reduced, production costs are lowered, and the service life of the filter is extended.
Smart Images
Figure CN223813654U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of coating white board paper production, specifically to an automatic dewatering device for producing coating white board paper. BACKGROUND
[0002] In the production of coating white board paper, the water in the pulp is quickly removed through spiral extrusion, improving the dewatering efficiency.
[0003] However, during the dewatering process, part of the fibers will be discharged with water. In the prior art, the water is directly discharged, which not only increases the pressure on subsequent water treatment, but also increases the production cost.
[0004] Therefore, we propose an automatic dewatering device for producing coating white board paper. UTILITY MODEL CONTENT
[0005] (I) Technical problems solved
[0006] In view of the shortcomings of the prior art, the utility model provides an automatic dewatering device for producing coating white board paper, which is provided with a filtering structure at the water discharge position, thereby reducing the pressure on subsequent water treatment, reducing the production cost, and effectively solving the problems in the background art.
[0007] (II) Technical solutions
[0008] To achieve the above-mentioned purpose, the utility model adopts the technical scheme: an automatic dewatering device for producing coating white board paper, comprising a spiral press dewatering machine, an upper hopper is installed on the upper part of the spiral press dewatering machine, a spiral extrusion feeding pipe is arranged at one end of the spiral press dewatering machine, a discharge port is connected to the end of the spiral extrusion feeding pipe away from the spiral press dewatering machine, a water discharge port is arranged at the lower part of the spiral extrusion feeding pipe, a water discharge structure is arranged at the lower part of the water discharge port, the water discharge structure comprises a water guide pipe, a water discharge pipe, a first flange plate, a second flange plate, a filter screen, a support grid frame, an annular insertion slot, an annular insertion block, an annular limiting groove, a sealing ring and a sealing washer, and the water discharge pipe is fixedly installed between the outer surface of the upper end of the water guide pipe and the water discharge port at the bottom of the spiral extrusion feeding pipe.
[0009] Preferably, the annular insertion slot is arranged at the right end of the inner cavity of the water guide pipe, and the first flange plate is fixedly installed on the outer wall of the right end of the water guide pipe.
[0010] Preferably, the second flange plate is fixedly installed on the outer wall of the right end of the annular insertion block, and the support grid frame and the annular insertion slot are both fixedly installed on the right end outer surface of the annular insertion block.
[0011] Preferably, the filter screen cover is arranged on the outer wall of the support grid frame.
[0012] Preferably, the annular limiting groove is arranged on the outer wall of the annular plug, the sealing ring is installed in the annular limiting groove, and the sealing washer is fixedly installed on the outer surface of the left end of the annular plug.
[0013] Preferably, the annular plug is inserted between the outer wall of the annular plug and the annular plug groove, the second flange plate is provided with a fixing bolt between the first flange plate, and the second flange plate is connected with the first flange plate through the fixing bolt.
[0014] (Three) beneficial effects
[0015] Compared with the prior art, the utility model provides an automatic dewatering device for producing coated white board, which has the following beneficial effects:
[0016] 1. The automatic dewatering device for producing coated white board is provided with a filtering structure at the drainage position, and fibers are recycled through the filtering method for production.
[0017] 2. The automatic dewatering device for producing coated white board can play a sealing role through the sealing washer and the sealing ring.
[0018] 3. The automatic dewatering device for producing coated white board plays a supporting role on the filter screen through the support grid frame installed on the inner wall of the filter screen. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a whole structure schematic view of the automatic dewatering device for producing coated white board.
[0020] Figure 2 It is a structure schematic view of the drainage structure in the automatic dewatering device for producing coated white board.
[0021] Figure 3 It is a side view sectional view of one end of the drainage structure in the automatic dewatering device for producing coated white board.
[0022] Figure 4 It is a structure schematic view of the annular plug in the automatic dewatering device for producing coated white board.
[0023] In the figure: 1, screw press dewatering machine; 2, feeding hopper; 3, screw extrusion conveying pipe; 4, discharge port; 5, drainage structure; 6, water guide pipe; 7, drainage pipe; 8, first flange plate; 9, second flange plate; 10, filter screen; 11, support grid frame; 12, annular plug groove; 13, annular plug; 14, annular limiting groove; 15, sealing ring; 16, sealing washer. DETAILED DESCRIPTION
[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0025] This embodiment describes an automatic dehydration device for producing coated whiteboard paper.
[0026] like Figures 1-4 As shown, the device includes a screw press dewatering machine 1, a feeding hopper 2 installed on the upper part of the screw press dewatering machine 1, a screw extrusion conveying pipe 3 provided at one end of the screw press dewatering machine 1, a discharge port 4 connected to the end of the screw extrusion conveying pipe 3 away from the screw press dewatering machine 1, a drain port provided at the lower part of the screw extrusion conveying pipe 3, and a drainage structure 5 provided at the lower part of the drain port. The drainage structure 5 includes a water guide pipe 6, a drain pipe 7, a first flange 8, a second flange 9, a filter screen 10, a support grid frame 11, an annular slot 12, an annular insert 13, an annular limiting groove 14, a sealing ring 15, and a sealing gasket 16. The drain pipe 7 is fixedly installed between the upper outer surface of the water guide pipe 6 and the drain port at the bottom of the screw extrusion conveying pipe 3.
[0027] An annular slot 12 is formed at the right end of the inner cavity of the water guide pipe 6. The first flange 8 is fixedly installed on the outer wall of the right end of the water guide pipe 6. The second flange 9 is fixedly installed on the outer wall of the right end of the annular insert 13. The support grid frame 11 and the annular slot 12 are both fixedly installed on the outer surface of the right end of the annular insert 13. The filter screen 10 is covered on the outer wall of the support grid frame 11. The annular limiting groove 14 is formed on the outer wall of the annular insert 13. The sealing ring 15 is installed in the annular limiting groove 14. The sealing gasket 16 is fixedly installed on the outer surface of the left end of the annular insert 13. The outer wall of the annular insert 13 and the annular slot 12 are connected by an insertion. A fixing bolt is provided between the second flange 9 and the first flange 8. The second flange 9 is connected to the first flange 8 by the fixing bolt.
[0028] It needs to be explained that the utility model discloses an automatic dewatering device for producing coated white board, spiral press dewatering machine 1, feeding hopper 2, spiral extrusion feed pipe 3 and discharge port 4 recorded in the paper all belong to prior art, and the lower part of spiral extrusion feed pipe 3 is provided with a drain, which can be effectively known by the person skilled in the art, and specific details will not be repeated; waste water is discharged through the drain at the lower part of spiral extrusion feed pipe 3, enters into water guide pipe 6 through drain pipe 7, is discharged at one end of water guide pipe 6 close to filter screen 10, and sewage is filtered in the inside of filter screen 10; material is retained in the inside of filter screen 10, and filter screen 10 is located outside water guide pipe 6, so that the condition of filter residue in the inside of filter screen 10 can be observed, and through the filtration of sewage by filter screen 10, fibers are recycled through the filtration method and are used for production again, which not only reduces the pressure of subsequent sewage treatment, but also reduces production cost; when installing filter screen 10, annular plug 13 is inserted into annular slot 12, then bolt connection is carried out between first flange plate 8 and second flange plate 9, and through the sealing effect of sealing washer 16 and sealing ring 15, the inside of filter screen 10 is provided with support grid frame 11, filter screen 10 can be protected through support grid frame 11, the deformation resistance of filter screen 10 is improved, and the service life of filter screen 10 is improved.
[0029] It needs to be explained that in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0030] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model.
Claims
1. An automatic dewatering device for producing coated white board paper, comprising a screw press dewatering machine (1), an upper feeding hopper (2) is installed on the upper part of the screw press dewatering machine (1), a screw extrusion conveying pipe (3) is arranged at one end of the screw press dewatering machine (1), a discharge port (4) is connected to the end of the screw extrusion conveying pipe (3) away from the screw press dewatering machine (1), and a drainage port is arranged on the lower part of the screw extrusion conveying pipe (3), characterized in that: The lower part of the drain port is provided with a drainage structure (5), which comprises a water guide pipe (6), a drain pipe (7), a first flange plate (8), a second flange plate (9), a filter screen (10), a support grid frame (11), an annular insertion slot (12), an annular insertion block (13), an annular limiting groove (14), a sealing ring (15) and a sealing washer (16), and the drain pipe (7) is fixedly installed between the outer surface of the upper end of the water guide pipe (6) and the drain port at the bottom of the spiral extrusion conveying pipe (3).
2. An automatic dewatering device for producing coated white board paper according to claim 1, characterized in that: The annular insertion slot (12) is arranged at the right end of the inner cavity of the water guide pipe (6), and the first flange plate (8) is fixedly installed on the outer wall of the right end of the water guide pipe (6).
3. An automatic dewatering device for producing coated white board paper according to claim 2, characterized in that: The second flange plate (9) is fixedly installed on the outer wall of the right end of the annular insertion block (13), and the support grid frame (11) and the annular insertion slot (12) are both fixedly installed on the outer surface of the right end of the annular insertion block (13).
4. An automatic dewatering device for producing coated white board paper according to claim 3, characterized in that: The filter screen (10) is covered on the outer wall of the support grid frame (11).
5. An automatic dewatering device for producing coated white board paper according to claim 4, characterized in that: The annular limiting groove (14) is arranged on the outer wall of the annular insertion block (13), the sealing ring (15) is installed in the annular limiting groove (14), and the sealing washer (16) is fixedly installed on the outer surface of the left end of the annular insertion block (13).
6. An automatic dewatering device for producing coated white board paper according to claim 5, characterized in that: The outer wall of the annular insertion block (13) is inserted into the annular insertion slot (12), the second flange plate (9) and the first flange plate (8) are provided with fixing bolts, and the second flange plate (9) is connected with the first flange plate (8) through the fixing bolts.