CN210216008U - Anti-rewetting device for papermaking extrusion dehydration - Google Patents
Anti-rewetting device for papermaking extrusion dehydration Download PDFInfo
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- CN210216008U CN210216008U CN201920950466.6U CN201920950466U CN210216008U CN 210216008 U CN210216008 U CN 210216008U CN 201920950466 U CN201920950466 U CN 201920950466U CN 210216008 U CN210216008 U CN 210216008U
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Abstract
The utility model relates to a papermaking extrusion dehydration prevents rewetting device, including the press section, the press section includes the conveyer belt, on squeezes the roller and squeeze the roller down, the conveyer belt is established on squeeze between roller and the lower squeeze roller, the exit of press section is equipped with water receiving mechanism, water receiving mechanism includes frame, regulating part and water receiving tank, the frame sets up the conveyer belt outside, the water receiving tank with pass through between the frame the regulating part is connected, sets up the water receiving tank in export one side of press section, drops again after avoiding last squeeze roller extrusion detached water and causes the rewetting on the paper.
Description
Technical Field
The utility model relates to a paper manufacture equipment technical field, concretely relates to rewetting device is prevented in papermaking extrusion dehydration.
Background
The papermaking industry is a large energy-consuming household, steam consumption is one of resource consumption, resource saving is the requirement of building a resource-saving environment-friendly society at present, and how to reduce resource waste is also an examination faced by the papermaking industry. With the improvement of the environmental awareness of people, energy conservation and emission reduction are the root of sustainable development of the papermaking industry, so the research and development of the humidity reducing quick drying paper are urgent.
Squeezing dewatering and drying dewatering are often used for carrying out wet paper dewatering production in the traditional paper making industry, and in theory, drying saves 5% of steam when the water content of a paper web pressing part is reduced by 1%; however, when the existing equipment carries out squeezing dehydration, wet paper is squeezed out of water by the upper and lower squeezing rollers in the squeezing part, and along with the high-speed rotation of the squeezing rollers, the water can be thrown out and falls on the paper surface again, so that the moisture is regained, the steam consumption is high, the environment is not protected, and the energy consumption is large.
SUMMERY OF THE UTILITY MODEL
When solving current equipment and carrying out extrusion dehydration, the water that the press portion pressed to take off often can get back to the paper again and cause the rewetting, leads to the vapour gauge height, and the environmental protection is not, technical problem that the power consumption is big, the utility model provides a rewetting device is prevented in papermaking extrusion dehydration.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a papermaking extrusion dehydration rewetting prevention device, includes the press section, the press section includes the conveyer belt, presses the roller and presses the roller down on, the conveyer belt is established press between roller and the lower roller on, the exit of press section is equipped with water receiving mechanism, water receiving mechanism includes frame, regulating part and water receiving tank, the frame sets up the conveyer belt outside, the water receiving tank with pass through between the frame the regulating part is connected.
Furthermore, the water receiving tank comprises a bottom water receiving plate, a middle arc-shaped baffle and a top water retaining piece, the bottom water receiving plate is arranged at an outlet of the squeezing part, water thrown out by the upper squeezing roller can be received by the bottom water receiving plate at the outlet of the squeezing part, and then the problem of paper surface rewetting is solved.
Furthermore, the middle arc-shaped baffle is an arc with an arc center at the major arc on one side of the pressing part, and the top water retaining piece is tangent to the tangent line of the middle arc-shaped baffle and inclines downwards, so that water thrown out by the upper pressing roller can be better received.
Further, the regulating part includes base, guide post and regulation pole, the base is established in the frame, the guide post with adjust the pole and all establish on the water receiving tank, adjust the pole with the guide post all with base sliding connection, the base with be equipped with the spring between the water receiving tank, the spring cup joints on adjusting the pole, it passes to adjust the pole base and threaded connection have a nut, can adjust the distance between the export of water receiving tank and press portion through the nut on adjusting the pole to more profitable water of catching off of press portion of accepting.
Further, the conveyer belt includes conveyer belt and lower conveyer belt, it all sets up with lower conveyer belt to go up the conveyer belt press between roller and the lower squeeze roll on, on press the roller with the lower squeeze roll closely cooperates, and wet web passes through between last conveyer belt and the lower conveyer belt, and when the portion of squeezing, moisture content on the paper is squeezed out, and the closely cooperating between roller and the lower squeeze roll is pressed on, is favorable to promoting dehydration efficiency.
Furthermore, the material of conveyer belt is the coarse cotton cloth, and the coarse cotton cloth texture is thinner, easily filters water, and elasticity is all good, and intensity is high, and the shrinkage factor is little, guarantees that wet paper does not break the fracture in the in-process of conveying extrusion dewatering, guarantees product finished product quality and yield.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. a water receiving tank is arranged on one side of the outlet of the squeezing part, so that the phenomenon that water squeezed and removed by the squeezing part falls on a paper surface again after being thrown out to cause rewetting is avoided;
2. the bottom water receiving plate is inclined downwards so as to collect water thrown downwards by the upper squeezing roller, and the middle arc-shaped baffle is arc-shaped so as to play a role in preventing the thrown water from rebounding back to the squeezing part;
3. the bottom of the top water retaining member contacts or is close to the top of the upper press roll, and can play a role in scraping or sweeping water on the upper press roll;
4. the distance between accessible regulating part regulation water receiving tank and the press portion to improve the receiving efficiency of the water that the press portion extrusion was detached, effectively improve the paper quality after squeezing the dewatering, reduce follow-up stoving steam consumption, thereby realize the quick-drying operation that wets that falls to wet paper web.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. The shapes of the various parts or structures in the drawings are not intended to represent the actual conditions under which they operate, but are merely schematic illustrations made to illustrate the present invention.
FIG. 1 is a schematic structural view of a squeezing dewatering and rewetting prevention device for papermaking of the present invention;
in the figure: 1. a wet paper web; 2. a press section; 3. uploading a conveyor belt; 4. a lower conveyor belt; 5. an upper press roll; 6. a lower press roll; 7. a water receiving mechanism; 8. a frame; 9. an adjustment member; 91. a base; 92. a guide post; 93. adjusting a rod; 94. a spring; 95. a nut; 10. a water receiving tank; 101. a bottom water receiving plate; 102. a middle arc baffle; 103. a top water stop.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides an include:
the attached figure 1 shows a papermaking extrusion dehydration rewetting prevention device, which comprises a squeezing part 2, wherein the squeezing part 2 comprises a conveyor belt, an upper squeezing roller 5 and a lower squeezing roller 6, the conveyor belt is arranged between the upper squeezing roller 5 and the lower squeezing roller 6, a water receiving mechanism 7 is arranged at an outlet of the squeezing part 2, the water receiving mechanism 7 comprises a rack 8, an adjusting piece 9 and a water receiving tank 10, the rack 8 is arranged outside the conveyor belt, and the water receiving tank 10 is connected with the rack 8 through the adjusting piece 9.
Referring to fig. 1, the water receiving tank 10 includes a bottom water receiving plate 101, a middle arc-shaped baffle 102 and a top water blocking member 103, the bottom water receiving plate 101 is disposed at an outlet of the press part 2, water thrown off by the upper press roll 5 can be received by the bottom water receiving plate 101 at the outlet of the press part 2, and then the problem of rewetting wet paper web 1 is solved, one side of the bottom water receiving plate 101 away from the press part 2 is lower than one side close to the press part 2, so as to avoid water leakage on the bottom water receiving plate 101, the bottom of the top water blocking member 103 contacts or is close to the top of the upper press roll 5, the top water blocking member 103 is connected with the bottom water receiving plate 101 through the middle arc-shaped baffle 102, wherein the top water blocking member 103 is a scraper or a brush, and the scraper or the brush can play a role of scraping or sweeping away moisture on the upper press roll 5.
Referring to fig. 1, the middle arc-shaped baffle 102 is a major arc with an arc center at one side of the press section 2, and the top water baffle 103 is tangent to a tangent line of the middle arc-shaped baffle 102 and inclines downwards, so as to be beneficial to better receiving water thrown out by the upper press roll 5.
Referring to fig. 1, the adjusting member 9 includes a base 91, a guide post 92 and an adjusting rod 93, the base 91 is disposed on the frame 8, the guide post 92 and the adjusting rod 93 are both disposed on the water receiving tank 10, the adjusting rod 93 and the guide post 92 are both slidably connected to the base 91, a spring 94 is disposed between the base 91 and the water receiving tank 10, the spring 94 is sleeved on the adjusting rod 93, the adjusting rod 93 penetrates through the base 91 and is threadedly connected to a nut 95, and the nut 95 on the adjusting rod 93 can adjust the distance between the water receiving tank 10 and the outlet of the squeezing portion 2, so as to more favorably receive the water thrown off by the upper squeezing roller 5.
Referring to fig. 1, the transfer belt includes an upper transfer belt 3 and a lower transfer belt 4, the upper transfer belt 3 and the lower transfer belt 4 are both disposed between an upper squeeze roll 5 and a lower squeeze roll 6, the upper squeeze roll 5 and the lower squeeze roll 6 are tightly fitted, the wet paper web 1 passes between the upper transfer belt 3 and the lower transfer belt 4, moisture on the paper is squeezed out when passing through the press part 2, and the upper squeeze roll 5 and the lower squeeze roll 6 are tightly fitted, which is beneficial to improving dewatering efficiency.
Referring to fig. 1, the material of the conveyor belt is felt, the felt is thin in texture, easy to filter water, good in elasticity, high in strength and small in shrinkage rate, and ensures that the wet paper web 1 is not broken or fractured in the process of conveying, extruding and dewatering, and the quality and yield of finished products are ensured.
The principle of the utility model is as follows: the press part 2 starts to operate, the upper press roll 5 and the lower press roll 6 rotate at high speed, the wet paper web 1 is conveyed forwards to the press part 2 through the conveying belt and is squeezed to discharge water, the squeezed water on the wet paper web 1 is attached to the upper press roll 5 and the lower press roll 6, the upper press roll 5 rotating at high speed throws the water out, and the thrown water falls onto the water receiving tank 10 of the water receiving mechanism 7 later, so that the problem of rewetting of the wet paper web 1 is solved, the dewatering efficiency is improved, and the production cost is reduced.
Compared with the prior art, the beneficial effects of this embodiment are as follows:
1. a water receiving tank is arranged on one side of the outlet of the squeezing part, so that the phenomenon that water squeezed and removed by the squeezing part falls on a paper surface again after being thrown out to cause rewetting is avoided;
2. the bottom water receiving plate is inclined downwards so as to collect water thrown downwards by the upper squeezing roller, and the middle arc-shaped baffle is arc-shaped so as to play a role in preventing the thrown water from rebounding back to the squeezing part;
3. the bottom of the top water retaining member contacts or is close to the top of the upper press roll, and can play a role in scraping or sweeping water on the upper press roll;
4. the distance between accessible regulating part regulation water receiving tank and the press portion to improve the receiving efficiency of the water that the press portion extrusion was detached, effectively improve the paper quality after squeezing the dewatering, reduce follow-up stoving steam consumption, thereby realize the quick-drying operation that wets that falls to wet paper web.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (7)
1. The utility model provides a papermaking extrusion dehydration rewetting prevention device, includes the press section, the press section includes the conveyer belt, presses the roller and presses the roller down on, the conveyer belt is established press between roller and the lower roller, its characterized in that, the exit of press section is equipped with water receiving mechanism, water receiving mechanism includes frame, regulating part and water receiving tank, the frame sets up the conveyer belt outside, the water receiving tank with pass through between the frame the regulating part is connected.
2. The papermaking press dewatering rewet preventing device as set forth in claim 1, wherein the water receiving tank includes a bottom water receiving plate, a middle arc-shaped baffle and a top water retaining member, the bottom water receiving plate is disposed at an outlet of the press section, a side of the bottom water receiving plate away from the press section is lower than a side of the bottom water receiving plate close to the press section, a bottom of the top water retaining member contacts a top of the upper press roll, and the top water retaining member is connected to the bottom water receiving plate through the middle arc-shaped baffle.
3. The papermaking press dewatering anti-rewetting device of claim 2, wherein the middle arch-shaped baffle is a major arc with an arc center on one side of the press section, and the top water-retaining member is tangent to the tangent of the middle arch-shaped baffle and slopes downward.
4. The papermaking press dewatering anti-rewetting apparatus of claim 2 or claim 3, wherein the top water barrier is a doctor blade or a brush.
5. The squeezing dewatering and rewetting-preventing device for papermaking according to claim 1, wherein the adjusting member includes a base, a guiding post and an adjusting rod, the base is disposed on the frame, the guiding post and the adjusting rod are both disposed on the water receiving tank, the adjusting rod and the guiding post are both slidably connected with the base, a spring is disposed between the base and the water receiving tank, the spring is sleeved on the adjusting rod, and the adjusting rod passes through the base and is in threaded connection with a nut.
6. The papermaking press dewatering and moisture regain preventing device according to claim 1, wherein the conveyor belt comprises an upper conveyor belt and a lower conveyor belt, the upper conveyor belt and the lower conveyor belt are both arranged between the upper press roll and the lower press roll, and the upper press roll and the lower press roll are tightly matched.
7. The press dewatering and moisture regain preventing device for papermaking according to claim 1 or 6, wherein the material of the conveyor belt is felt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950466.6U CN210216008U (en) | 2019-06-21 | 2019-06-21 | Anti-rewetting device for papermaking extrusion dehydration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950466.6U CN210216008U (en) | 2019-06-21 | 2019-06-21 | Anti-rewetting device for papermaking extrusion dehydration |
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| Publication Number | Publication Date |
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| CN210216008U true CN210216008U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920950466.6U Active CN210216008U (en) | 2019-06-21 | 2019-06-21 | Anti-rewetting device for papermaking extrusion dehydration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726262A (en) * | 2021-01-14 | 2021-04-30 | 广东理文造纸有限公司 | Papermaking dehydration device and dehydration method thereof |
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2019
- 2019-06-21 CN CN201920950466.6U patent/CN210216008U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726262A (en) * | 2021-01-14 | 2021-04-30 | 广东理文造纸有限公司 | Papermaking dehydration device and dehydration method thereof |
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