CN114182561A - Lip pulp speed control system - Google Patents
Lip pulp speed control system Download PDFInfo
- Publication number
- CN114182561A CN114182561A CN202111491637.1A CN202111491637A CN114182561A CN 114182561 A CN114182561 A CN 114182561A CN 202111491637 A CN202111491637 A CN 202111491637A CN 114182561 A CN114182561 A CN 114182561A
- Authority
- CN
- China
- Prior art keywords
- lip
- pulp
- plate
- control system
- dilution water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000010790 dilution Methods 0.000 claims abstract description 32
- 239000012895 dilution Substances 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000003860 storage Methods 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 7
- 239000000835 fiber Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/06—Regulating pulp flow
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- Paper (AREA)
Abstract
A lip pulp speed control system comprises a pulp storage box, a dilution water tank and a homogenate box, wherein a pulp conveying pipeline is connected to an outlet of the pulp storage box, the other end of the pulp conveying pipeline is connected to the homogenate box, a plurality of dilution water valves are connected to the pulp conveying pipeline, each dilution water valve is connected to the dilution water tank, a lower lip plate and an upper lip plate are arranged at an outlet of the homogenate box, the lower lip plate is fixedly arranged, one end of the upper lip plate is hinged to the upper part of the outlet of the homogenate box, the tail end of the lower lip plate and the free end of the upper lip plate form a lip, the opening size of the lip can be adjusted by rotation of the upper lip plate, and an inclination angle sensor is arranged on the upper lip plate; the device is characterized by further comprising a control system, each dilution water valve is opened and closed by electromagnetic control, and the inclination angle sensor and the dilution water valves are in communication connection with the control system. The invention can automatically match the corresponding slurry outlet speed according to the change of the lip size through intelligent control, thereby achieving better production effect.
Description
Technical Field
The invention belongs to the technical field of papermaking pulp speed control, and particularly relates to a lip pulp speed control system.
Background
In the papermaking process, the headbox is a critical device and plays a critical role in making good quality paper sheets. A basic task of the headbox is to ensure an even distribution of the fibre suspension in the cross direction of the paper machine, in order to reduce as much as possible the cross direction quantitative differences of the sheets; another basic task of the headbox is to ensure that fibers in a fiber suspension are uniformly dispersed in a water body, so as to reduce flocculation in the fiber suspension as much as possible, and improve the uniformity of paper sheets as much as possible.
Disclosure of Invention
The invention aims to provide a lip pulp speed control system, which can automatically match the corresponding pulp outlet speed according to the change of the size of a lip by intelligent control, thereby achieving better production effect.
The invention provides a lip pulp speed control system, which comprises a pulp storage box, a dilution water tank and a homogenate box, wherein the outlet of the pulp storage box is connected with a pulp conveying pipeline, the other end of the pulp conveying pipeline is connected to the homogenate box, the pulp conveying pipeline is connected with a plurality of dilution water valves, each dilution water valve is connected to the dilution water tank, the outlet part of the homogenate box is provided with a lower lip plate and an upper lip plate, the lower lip plate is fixedly arranged, one end of the upper lip plate is hinged to the upper part of the outlet part of the homogenate box, the tail end of the lower lip plate and the free end of the upper lip plate form a lip, the opening size of the lip can be adjusted by the rotation of the upper lip plate, and the upper lip plate is provided with an inclination angle sensor; the device is characterized by further comprising a control system, each dilution water valve is opened and closed by electromagnetic control, and the inclination angle sensor and the dilution water valves are in communication connection with the control system.
Preferably, still include the labial lamina minora, the labial lamina minora is installed the free end of last labial lamina, the lower extreme protrusion of labial lamina minora the lower surface of last labial lamina minora, lower labial lamina minora and labial lamina form the lip.
Preferably, a plurality of waist-shaped holes which are uniformly distributed along the width direction of the small lip plate are formed in the small lip plate, an installation plate is arranged on the upper end face of the free end of the upper lip plate, and the small lip plate is fixedly connected with the installation plate through bolts which penetrate through the waist-shaped holes.
Preferably, the mounting plate is provided with position sensors at two ends in the width direction of the small lip plate, the position sensors are used for detecting the mounting position of the small lip plate on the mounting plate, and the position sensors are in communication connection with the control system.
Preferably, still include upper lip plate adjusting device, upper lip plate adjusting device includes first motor, adjusting screw, nut cover, connecting rod, the one end of connecting rod with nut cover fixed connection, the other end of connecting rod with the up end of upper lip plate is articulated to be connected, adjusting screw's one end and the output shaft of first motor, adjusting screw's one end and nut cover threaded connection.
Preferably, the outer wall of the homogenate box is provided with a support plate, the first motor is arranged on the support plate, the upper lip plate adjusting devices are arranged in multiple groups along the width direction of the upper lip plate, and the upper lip plate adjusting devices act synchronously.
Preferably, a first electromagnetic valve is arranged on the slurry conveying pipeline and is in communication connection with the control system.
Preferably, a homogenizing roller is arranged in the homogenizing box.
Preferably, a plurality of stirring rods are arranged on the outer wall of the homogenizing roller, an inflation tube is arranged inside the homogenizing roller, and a plurality of air holes are formed in the side wall of the homogenizing roller.
Preferably, the homogenate roller is driven by a second motor to rotate, and the second motor is in communication connection with the control system.
According to the invention, the inclination angle sensor capable of detecting the inclination adjustment of the upper lip and the position sensor for the position of the small lip are designed, the control system is used for receiving signals of the inclination angle sensor and the position sensor, and the flow passing through the first electromagnetic valve and the dilution water valve is controlled, so that the pulp speeds of different lips can be well adapted, and the production requirements are ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a side view of the labial plate structure of the present invention;
FIG. 3 is a control relationship flow diagram of the present invention.
In the figure; 1. a pulp storage box; 2. a dilution water tank; 3. a homogenate box; 4. a slurry delivery pipeline; 5. a dilution water valve; 6. a lower lip plate; 7. an upper lip plate; 8. a small lip plate; 9. a kidney-shaped hole; 10. a position sensor; 11. a tilt sensor; 12. a first motor; 13. adjusting the screw rod; 14. a nut sleeve; 15. a connecting rod; 16. a first solenoid valve; 17. a homogenizing roller; 18. and (4) air holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a lip pulp speed control system, as shown in figures 1-3, which comprises a pulp storage tank 1, a dilution water tank 2 and a homogenate tank 3, wherein the pulp storage tank 1 is used for storing manufactured pulp and flowing out according to needs, the dilution water tank 2 is used for gradually adding water through a pulp conveying pipeline 4 to dilute, the homogenate tank 3 further uniformly mixes the mixed pulp to ensure that the pulp is completely mixed, one end of the pulp conveying pipeline 4 is connected with the pulp storage tank 1, the other end of the pulp conveying pipeline 4 is connected with the pulp homogenizing tank 3, a plurality of dilution water valves 5 are connected on the pulp conveying pipeline 4, and each dilution water valve 5 is connected to the dilution water tank 2, so that the pulp can be added with water for multiple times at multiple points and multiple frequencies through the design of the plurality of dilution water valves 5, the lip pulp speed control system is favorable for improving the dilution effect of the pulp and facilitating the uniformity of the pulp. The outlet part of the homogenate box 3 is provided with a lower lip plate 6 and an upper lip plate 7, the lower lip plate 6 is fixedly arranged and generally fixed on a machine body, one end of the upper lip plate 7 is hinged on the upper part of the outlet part of the homogenate box 3, the upper lip plate 7 is obliquely arranged, as shown in figure 1, the tail end of the lower lip plate 6 and the free end of the upper lip plate 7 form a lip mouth, the lip mouth is used as a liquid outlet, and the size of the lip mouth can be adjusted by the rotation of the upper lip plate 7. Wherein one embodiment of the upper lip 7 adjustment means is; the adjusting device of the upper lip plate 7 comprises a first motor 12, an adjusting screw 13, a nut sleeve 14 and a connecting rod 15, one end of the connecting rod 15 is fixedly connected with the nut sleeve 14, the other end of the connecting rod 15 is hinged with the upper end face of the upper lip plate 7, one end of the adjusting screw 13 is connected with an output shaft of the first motor 12, one end of the adjusting screw 13 is in threaded connection with the nut sleeve 14, and the first motor 12 is started to realize accurate adjustment of the angle of the upper lip plate 7 through the matching of the adjusting screw 13 and the nut sleeve 14 (the adjustment is more accurate due to a threaded structure), so that the adjustment of the size of the lip can be better controlled, and in addition, an inclination angle sensor 11 is arranged on the upper lip plate 7; the inclination angle sensor 11 can accurately detect the angle adjusted by the upper lip 7 and can send the detected data information to the control system, the control system can obtain the actual opening size of the lip through the information fed back by the inclination angle sensor 11 and sends a signal to control the flow of the dilution water valve 5 according to an internal program, wherein each dilution water valve 5 is opened and closed by adopting electromagnetic control (convenient for control of the control system), and it needs to be noted that the invention is provided with the first electromagnetic valve 16 on the pulp conveying pipeline 4, and the first electromagnetic valve 16 is in communication connection with the control system. When the device is used specifically, the control system can also correspondingly control the opening size of the first electromagnetic valve 16 so as to control the outflow speed of the slurry, and the slurry speed of the outlet part can be well controlled by matching with the water adding amount of the dilution water.
One embodiment of the invention further comprises a small lip plate 8, wherein the small lip plate 8 is installed at the free end of the upper lip plate 7, the lower end of the small lip plate 8 protrudes out of the lower surface of the upper lip plate 7, the lower lip plate 6, the upper lip plate 7 and the small lip plate 8 form a lip, a plurality of waist-shaped holes 9 uniformly distributed along the width direction of the small lip plate 8 are formed in the small lip plate 8, an installation plate is arranged on the upper end surface of the free end of the upper lip plate 7, the small lip plate 8 is fixedly connected with the installation plate through bolts penetrating through the waist-shaped holes 9, the protruding amount of the small lip plate 8 protruding out of the lower end surface of the upper lip plate 7 can be manually adjusted according to needs through the design of the waist-shaped holes 9, position sensors 10 located at two ends of the width direction of the small lip plate 8 are installed on the installation plate, the position sensors 10 are used for detecting the installation position of the small lip plate 8 on the installation plate, and the position sensors 10 are in communication connection with the control system, like this when having little lip 8, equally can control the thick liquid speed according to the position information of little lip 8 combines the inclination of last lip 7, it should be noted that the design of little lip 8 can make the thick liquid from lip when flowing out whole width direction more stable unified.
In order to adjust the upper lip 7 conveniently, the adjusting devices of the upper lip 7 are arranged in a plurality of groups along the width direction of the upper lip 7, and the adjusting devices of the upper lip 7 act synchronously.
In order to ensure the uniformity of the slurry, the homogenizing box 3 is internally provided with the homogenizing roller 17, the outer wall of the homogenizing roller 17 is provided with a plurality of stirring rods, the inner part of the homogenizing roller 17 is provided with an inflation pipe, the side wall of the homogenizing roller 17 is provided with a plurality of air holes, the slurry can be mixed with better stirring effect by introducing air, the homogenizing roller 17 is driven by a second motor to rotate, the second motor is in communication connection with the control system, and the requirements of different flow rates and slurry on mixing are different, so that the slurry speed is adjusted by correspondingly matching the homogenizing roller 17, the high-quality mixed slurry can be obtained, and the problem of quality reduction caused by speed regulation is avoided.
According to the invention, the inclination angle sensor 11 capable of detecting inclination adjustment of the upper lip 7 and the position sensor 10 at the position of the small lip 8 are designed, signals of the inclination angle sensor 11 and the position sensor 10 are received by the control system, and the passing flow of the first electromagnetic valve 16 and the dilution water valve 5 is controlled, so that the pulp speeds of different lip sizes can be well adapted, the production requirement is ensured, and the control process is intelligent and precise.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A lip pulp speed control system is characterized by comprising a pulp storage box, a dilution water tank and a homogenate box, wherein a pulp conveying pipeline is connected to an outlet of the pulp storage box, the other end of the pulp conveying pipeline is connected to a homogenate box, a plurality of dilution water valves are connected to the pulp conveying pipeline, each dilution water valve is connected to the dilution water tank, a lower lip plate and an upper lip plate are arranged at an outlet of the homogenate box, the lower lip plate is fixedly arranged, one end of the upper lip plate is hinged to the upper portion of the outlet of the homogenate box, a lip is formed by the tail end of the lower lip plate and the free end of the upper lip plate, the opening size of the lip can be adjusted by rotation of the upper lip plate, and an inclination angle sensor is arranged on the upper lip plate; the device is characterized by further comprising a control system, each dilution water valve is opened and closed by electromagnetic control, and the inclination angle sensor and the dilution water valves are in communication connection with the control system.
2. The lip pulp speed control system according to claim 1, further comprising a small lip, wherein the small lip is installed at a free end of the upper lip, a lower end of the small lip protrudes from a lower surface of the upper lip, and the lower lip, the upper lip and the small lip form a lip.
3. The lip pulp speed control system of claim 2, wherein the small lip plate is provided with a plurality of waist-shaped holes uniformly distributed along the width direction of the small lip plate, the upper end surface of the free end of the upper lip plate is provided with a mounting plate, and the small lip plate is fixedly connected with the mounting plate by bolts penetrating through the waist-shaped holes.
4. The lip pulp speed control system according to claim 3, wherein the mounting plate is provided with position sensors at two ends of the lip board in the width direction, the position sensors are used for detecting the mounting position of the lip board on the mounting plate, and the position sensors are in communication connection with the control system.
5. The lip pulp speed control system according to claim 1, further comprising an upper lip adjusting device, wherein the upper lip adjusting device comprises a first motor, an adjusting screw, a nut sleeve and a connecting rod, one end of the connecting rod is fixedly connected with the nut sleeve, the other end of the connecting rod is hinged to the upper end face of the upper lip, one end of the adjusting screw is connected with an output shaft of the first motor, and one end of the adjusting screw is in threaded connection with the nut sleeve.
6. The lip pulp speed control system according to claim 5, wherein a support plate is installed on an outer wall of the homogenate tank, the first motor is installed on the support plate, the upper lip plate adjusting devices are arranged in groups along a width direction of the upper lip plate, and the plurality of upper lip plate adjusting devices operate synchronously.
7. The lip pulp speed control system according to claim 1, wherein a first solenoid valve is disposed on the pulp delivery pipe, and the first solenoid valve is in communication connection with the control system.
8. The lip speed control system of claim 1, wherein a distribution roll is disposed in the distribution box.
9. The lip pulp speed control system of claim 8, wherein a plurality of stirring rods are arranged on the outer wall of the pulp homogenizing roller, an inflation tube is arranged inside the pulp homogenizing roller, and a plurality of air holes are arranged on the side wall of the pulp homogenizing roller.
10. The lip speed control system of claim 8 or 9, wherein the distribution roll is driven to rotate by a second motor, and the second motor is in communication with the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111491637.1A CN114182561B (en) | 2021-12-08 | 2021-12-08 | Lip pulp speed control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111491637.1A CN114182561B (en) | 2021-12-08 | 2021-12-08 | Lip pulp speed control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114182561A true CN114182561A (en) | 2022-03-15 |
| CN114182561B CN114182561B (en) | 2024-04-26 |
Family
ID=80542735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111491637.1A Active CN114182561B (en) | 2021-12-08 | 2021-12-08 | Lip pulp speed control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114182561B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4971204A (en) * | 1972-10-12 | 1974-07-10 | ||
| CN1190684A (en) * | 1996-08-30 | 1998-08-19 | 沃依特·苏尔泽制纸机械公司 | Controller with multiple sensors |
| JPH10226976A (en) * | 1997-02-17 | 1998-08-25 | Ishikawajima Harima Heavy Ind Co Ltd | Control device for orientation and weight for head boxy of paper machine |
| JP2001192992A (en) * | 1999-12-28 | 2001-07-17 | Ishikawajima Harima Heavy Ind Co Ltd | Method of controlling fiber orientation of paper machine |
| JP2002061092A (en) * | 2000-08-18 | 2002-02-28 | Ishikawajima Harima Heavy Ind Co Ltd | Method and device for controlling orientation angle profile of paper machine |
| US6368462B1 (en) * | 1999-05-27 | 2002-04-09 | Valmet Corporation | Headbox for a paper or board making machine |
| EP1486608A2 (en) * | 2003-04-17 | 2004-12-15 | Voith Paper Patent GmbH | Headbox |
| CN201495450U (en) * | 2009-08-06 | 2010-06-02 | 福建省晋江优兰发纸业有限公司 | Dilution water head box |
| CN202030982U (en) * | 2011-03-16 | 2011-11-09 | 西安维亚造纸机械有限公司 | Headbox dilution water adjusting device |
| CN203429501U (en) * | 2013-08-08 | 2014-02-12 | 华南理工大学 | Hydraulic experimental headbox capable of carrying out measurement and visualized research of flow field |
-
2021
- 2021-12-08 CN CN202111491637.1A patent/CN114182561B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4971204A (en) * | 1972-10-12 | 1974-07-10 | ||
| CN1190684A (en) * | 1996-08-30 | 1998-08-19 | 沃依特·苏尔泽制纸机械公司 | Controller with multiple sensors |
| JPH10226976A (en) * | 1997-02-17 | 1998-08-25 | Ishikawajima Harima Heavy Ind Co Ltd | Control device for orientation and weight for head boxy of paper machine |
| US6368462B1 (en) * | 1999-05-27 | 2002-04-09 | Valmet Corporation | Headbox for a paper or board making machine |
| JP2001192992A (en) * | 1999-12-28 | 2001-07-17 | Ishikawajima Harima Heavy Ind Co Ltd | Method of controlling fiber orientation of paper machine |
| JP2002061092A (en) * | 2000-08-18 | 2002-02-28 | Ishikawajima Harima Heavy Ind Co Ltd | Method and device for controlling orientation angle profile of paper machine |
| EP1486608A2 (en) * | 2003-04-17 | 2004-12-15 | Voith Paper Patent GmbH | Headbox |
| CN201495450U (en) * | 2009-08-06 | 2010-06-02 | 福建省晋江优兰发纸业有限公司 | Dilution water head box |
| CN202030982U (en) * | 2011-03-16 | 2011-11-09 | 西安维亚造纸机械有限公司 | Headbox dilution water adjusting device |
| CN203429501U (en) * | 2013-08-08 | 2014-02-12 | 华南理工大学 | Hydraulic experimental headbox capable of carrying out measurement and visualized research of flow field |
Non-Patent Citations (2)
| Title |
|---|
| 杨海燕;侯顺利;牛绪钟;: "稀释水水力式流浆箱的控制探索", 纸和造纸, no. 04, pages 3 - 7 * |
| 王伟;: "稀释水式流浆箱的控制", 山东轻工业学院学报(自然科学版), no. 02, pages 69 - 71 * |
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| Publication number | Publication date |
|---|---|
| CN114182561B (en) | 2024-04-26 |
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