CN114182561B - Lip pulp speed control system - Google Patents
Lip pulp speed control system Download PDFInfo
- Publication number
- CN114182561B CN114182561B CN202111491637.1A CN202111491637A CN114182561B CN 114182561 B CN114182561 B CN 114182561B CN 202111491637 A CN202111491637 A CN 202111491637A CN 114182561 B CN114182561 B CN 114182561B
- Authority
- CN
- China
- Prior art keywords
- plate
- lip
- pulp
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000010790 dilution Methods 0.000 claims abstract description 33
- 239000012895 dilution Substances 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims description 15
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000007865 diluting Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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
Landscapes
- Paper (AREA)
Abstract
The lip pulp speed control system comprises a pulp storage box, a dilution water tank and a pulp homogenizing 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 pulp homogenizing 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 the outlet part of the pulp homogenizing box, 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 pulp homogenizing box, a lip is formed between the tail end of the lower lip plate and the free end of the upper lip plate, the opening size of the lip is adjustable through rotation of the upper lip plate, and an inclination sensor is arranged on the upper lip plate; the system also comprises a control system, each dilution water valve is opened and closed by adopting electromagnetic control, and the inclination sensor and the dilution water valve are connected with the control system in a communication manner. The invention can automatically match the corresponding pulp outlet speed according to the change of the lip opening size through intelligent control, thereby achieving better production effect.
Description
Technical Field
The invention belongs to the technical field of pulp speed control, and particularly relates to a lip pulp speed control system.
Background
In the papermaking process, a headbox is a critical device that plays a critical role in making good quality sheets. One of the basic tasks of a headbox is to ensure a uniform distribution of the fiber suspension in the cross machine direction in order to minimize the difference in the cross machine direction of the sheet as much as possible; another basic task of the headbox is to ensure that the fibers in the fiber suspension are uniformly dispersed in the water, to minimize flocculation in the fiber suspension, to improve the uniformity of the paper sheet as much as possible, in a specific production process, the sizes of the lips generally need to be adjusted according to different production requirements, the sizes of the lips are different, the pulp discharge speed and the pulp discharge amount are directly affected, but in an actual use process, the size of the lips is sometimes adjusted, the pulp discharge speed is not desired to be reduced, so that the pulp discharge speed needs to be controlled at this time, and the matching between the pulp discharge speed and the sizes of the lips needs to be ensured, so that a pulp speed control system needs to be provided.
Disclosure of Invention
The invention aims to provide a lip pulp speed control system which can automatically match corresponding pulp outlet speed according to the change of the size of a lip through intelligent control so as to achieve better production effect.
The invention provides a lip pulp speed control system, which solves the technical problems, and the technical scheme comprises a pulp storage box, a dilution water tank and a pulp homogenizing 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 pulp homogenizing 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 part of the pulp homogenizing box, 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 pulp homogenizing box, a lip is formed between 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 sensor is arranged on the upper lip plate; the system also comprises a control system, each dilution water valve is opened and closed by adopting electromagnetic control, and the inclination sensor and the dilution water valve are connected with the control system in a communication manner.
Preferably, the device further comprises a small lip plate, wherein the small lip plate is arranged at the free end of the upper lip plate, the lower end of the small lip plate protrudes out of the lower surface of the upper lip plate, and the lower lip plate, the upper lip plate and the small lip plate form lips.
Preferably, 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 face 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.
Preferably, the mounting plate is provided with position sensors at two ends in the width direction of the labial plate, the position sensors are used for detecting the mounting position of the labial plate on the mounting plate, and the position sensors are in communication connection with the control system.
Preferably, the device further comprises an upper lip plate adjusting device, wherein the upper lip plate adjusting device comprises a first motor, an adjusting screw rod, 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 plate, one end of the adjusting screw rod is connected with an output shaft of the first motor, and one end of the adjusting screw rod is in threaded connection with the nut sleeve.
Preferably, the outer wall of the homogenizing box is provided with a supporting plate, the first motor is arranged on the supporting plate, the upper lip plate adjusting devices are arranged in the width direction of the upper lip plate and synchronously act.
Preferably, a first electromagnetic valve is arranged on the slurry conveying pipeline, and the first electromagnetic valve 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 air charging pipe is arranged in the homogenizing roller, and a plurality of air holes are formed in the side wall of the homogenizing roller.
Preferably, the homogenizing roller is driven to rotate by a second motor, and the second motor is in communication connection with the control system.
According to the invention, through designing the inclination angle sensor capable of detecting the inclination angle adjustment of the upper lip plate and the position sensor of the small lip plate, the control system is used for receiving signals of the inclination angle sensor and the position sensor, and through controlling the passing flow of the first electromagnetic valve and the dilution water valve, the slurry speed of different lip openings can be well adapted, and the production requirement is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front elevational 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 chart of the present invention.
In the figure; 1. a pulp storage box; 2. a dilution water tank; 3. a homogenizing box; 4. a slurry conveying pipeline; 5. a dilution water valve; 6. a lower lip; 7. an upper lip; 8. labial plate; 9. a waist-shaped hole; 10. a position sensor; 11. an inclination sensor; 12. a first motor; 13. adjusting a screw; 14. a nut sleeve; 15. a connecting rod; 16. a first electromagnetic valve; 17. a homogenizing roll; 18. and (5) air holes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the 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 pulp homogenizing tank 3, wherein the pulp storage tank 1 is used for storing manufactured pulp and flows out according to the needs, the dilution water tank 2 is used for gradually carrying out water adding and diluting actions through a pulp conveying pipeline 4, the pulp homogenizing tank 3 is used for further uniformly mixing the mixed pulp so as to completely mix the pulp, 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 onto the pulp conveying pipeline 4, each dilution water valve 5 is connected with the dilution water tank 2, so that the pulp can be subjected to multi-point multi-frequency water adding operation through the design of the plurality of dilution water valves 5, the pulp diluting effect is improved, and the pulp is convenient to uniformly mix. The invention is provided with a lower lip plate 6 and an upper lip plate 7 at the outlet part of the homogenizing box 3, wherein the lower lip plate 6 is fixedly arranged and is generally fixed on a machine body, one end of the upper lip plate 7 is hinged at the upper part of the outlet part of the homogenizing 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, the lip is used as a liquid outlet, and the size of the lip can be adjusted by rotating the upper lip plate 7. Wherein one of the embodiments of the upper lip 7 adjustment means is; the upper lip plate 7 adjusting device 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, the first motor 12 is started to realize the accurate adjustment of the angle of the upper lip plate 7 through the cooperation of the adjusting screw 13 and the nut sleeve 14 (the threaded structure enables the adjustment to be more accurate), further the adjustment of the lip size can be better controlled, and moreover, an inclination sensor 11 is arranged on the upper lip plate 7; the inclination sensor 11 can accurately detect the angle regulated by the upper lip 7, and can send 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 sensor 11, and send a signal to control the flow of the dilution water valve 5 according to an internal program, wherein each dilution water valve 5 is controlled to open and close by adopting electromagnetic control (convenient for control system control), and it is noted that the invention is provided with a first electromagnetic valve 16 on the slurry conveying pipeline 4, and the first electromagnetic valve 16 is in communication connection with the control system. When the device is specifically used, the control system can correspondingly control the opening size of the first electromagnetic valve 16, so as to control the flow-out 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 8, wherein the small lip 8 is arranged at the free end of the upper lip 7, the lower end of the small lip 8 protrudes out of the lower surface of the upper lip 7, the lower lip 6, the upper lip 7 and the small lip 8 form a lip, a plurality of waist-shaped holes 9 uniformly distributed along the width direction of the small lip 8 are formed in the small lip 8, a mounting plate is arranged at the upper end face of the free end of the upper lip 7, the small lip 8 is fixedly connected with the mounting plate through bolts penetrating through the waist-shaped holes 9, the protruding amount of the lower end face of the small lip 8 protruding out of the upper lip 7 can be manually adjusted according to the design of the waist-shaped holes 9, and a position sensor 10 positioned at two ends of the width direction of the small lip 8 is arranged on the mounting plate, the position sensor 10 is used for detecting the mounting position of the small lip 8 on the mounting plate, and the position sensor 10 is in communication connection with the control system, so that when the small lip 8 is provided, the slurry can flow out of the slurry from the whole lip 8 in a uniform width direction according to the position information of the small lip 8, the slurry can be controlled according to the joint angle of the position information of the small lip 8, and the whole slurry can be more stable in the design.
In order to facilitate the adjustment of the upper lip 7, the upper lip 7 adjusting device is provided with a plurality of groups along the width direction of the upper lip 7, and a plurality of upper lip 7 adjusting devices synchronously act.
In order to ensure the uniformity of the slurry, a homogenizing roller 17 is arranged in the homogenizing box 3, a plurality of stirring rods are arranged on the outer wall of the homogenizing roller 17, an air charging pipe is arranged in the homogenizing roller 17, a plurality of air holes are formed in the side wall of the homogenizing roller 17, and the mixed slurry with better stirring effect can be mixed by introducing air, and the homogenizing roller 17 is driven to rotate by a second motor.
According to the invention, through designing the inclination sensor 11 capable of detecting the inclination adjustment of the upper lip 7 and the position sensor 10 for detecting the position of the small lip 8, the control system is used for receiving signals of the inclination sensor 11 and the position sensor 10, and through controlling the passing flow of the first electromagnetic valve 16 and the dilution water valve 5, the slurry speed of different lips can be well adapted, the production requirement is ensured, and the control process is intelligent and accurate.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (5)
1. The lip pulp speed control system is characterized by comprising a pulp storage box, a dilution water tank and a pulp homogenizing 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 pulp homogenizing 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 part of the pulp homogenizing box, the lower lip plate is fixedly arranged, one end of the upper lip plate is hinged to the upper part of an outlet part of the pulp homogenizing 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 rotating the upper lip plate, and an inclination sensor is arranged on the upper lip plate; the system also comprises a control system, each dilution water valve is opened and closed by adopting electromagnetic control, and the inclination sensor and the dilution water valve are connected with the control system in a communication way;
The system further comprises a labial plate mounted at the free end of the upper labial plate, the lower end of the labial plate protruding beyond the lower surface of the upper labial plate, the lower labial plate, the upper labial plate and the labial plate forming a lip;
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 face 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 through bolts penetrating through the waist-shaped holes;
the mounting plate is provided with position sensors positioned at two ends of the labial plate in the width direction, the position sensors are used for detecting the mounting positions of the labial plate on the mounting plate, and the position sensors are in communication connection with the control system;
the system also comprises an upper lip plate adjusting device, wherein the upper lip plate adjusting device comprises a first motor, an adjusting screw rod, 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 with the upper end face of the upper lip plate, one end of the adjusting screw rod is connected with an output shaft of the first motor, and one end of the adjusting screw rod is in threaded connection with the nut sleeve;
the slurry conveying pipeline is provided with a first electromagnetic valve which is in communication connection with the control system;
detecting the angle regulated by the upper lip plate through the inclination angle sensor, transmitting the detected data information to the control system, obtaining the actual opening size of the lip through the information fed back by the inclination angle sensor by the control system, and controlling the flow of the dilution water valve according to the signal sent by the internal program;
The position sensor is used for detecting the installation position of the small lip plate on the installation plate, the control system is used for receiving signals of the inclination sensor and the position sensor, and the slurry speed of different lips is adapted by controlling the passing flow of the first electromagnetic valve and the dilution water valve.
2. The lip pulp speed control system according to claim 1, wherein the support plate is mounted on the outer wall of the homogenizing box, the first motor is mounted on the support plate, the upper lip adjusting devices are arranged in the width direction of the upper lip and are operated synchronously by a plurality of groups of upper lip adjusting devices.
3. The lip pulp speed control system according to claim 1, wherein a pulp homogenizing roller is provided in the pulp homogenizing box.
4. A lip pulp speed control system according to claim 3, wherein a plurality of stirring rods are arranged on the outer wall of the homogenizing roller, an air charging pipe is arranged in the homogenizing roller, and a plurality of air holes are formed in the side wall of the homogenizing roller.
5. The lip slurry speed control system according to claim 4, wherein the homogenizing roller 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 CN114182561A (en) | 2022-03-15 |
| CN114182561B true 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 |
|---|
| 稀释水式流浆箱的控制;王伟;;山东轻工业学院学报(自然科学版)(第02期);第69-71页 * |
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| Publication number | Publication date |
|---|---|
| CN114182561A (en) | 2022-03-15 |
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