CN101392471A - Dilution water ring addition device of head box - Google Patents
Dilution water ring addition device of head box Download PDFInfo
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- CN101392471A CN101392471A CNA2008102185859A CN200810218585A CN101392471A CN 101392471 A CN101392471 A CN 101392471A CN A2008102185859 A CNA2008102185859 A CN A2008102185859A CN 200810218585 A CN200810218585 A CN 200810218585A CN 101392471 A CN101392471 A CN 101392471A
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Abstract
The invention provides an annular dilution water addition device which is suitable for a head box of a high speed paper machine. The device includes a header pipe of dilution water, a stepping motor, a dilution water valve, a branch pipe of the dilution water and an annular addition board of the dilution water. The header pipe of the dilution water is respectively connected with a plurality of branch pipes of the dilution water by the dilution water valve, and the dilution water valve is connected with the stepping motor, and a plurality of branch pipes of the dilution water are connected with the annular addition board of the dilution water; the annular addition board of the dilution water consists of a plurality of addition units which are transversely arranged on a dilution water board; the inlet of a water inlet tank is connected with the branch pipe of the dilution water and a plurality of outlets thereof are respectively connected with an annular groove; and the annular groove is positioned at the periphery of a pulp inlet hole and the inner side thereof is connected with the pulp inlet hole by an addition opening. The dilution water enters the annular addition board of the dilution water from the header pipe through the dilution water valve and the branch pipe and is evenly added into the pulp of the corresponding pipe bundle in an annular way so as to ensure that the dilution water in the local area of the addition chamber can be uniformly mixed with the pulp and improve the uniformity of the transverse local quantitative distribution of the paper.
Description
Technical field
The present invention relates to the pulp and paper technology field, particularly relate to a kind of dilution water adding set of controlling the high speed paper machine head box of page horizontal quantification distribution by dilution water adjusting slurry concentration, be specifically related to many dilution waters decanting point while circumference and evenly add the dilution water device, adapt to of the requirement of the head box of high speed paper machine the distribution of page horizontal quantification.
Background technology
At present, paper machine control page horizontal quantification distribution means generally are to realize by dual mode, and a kind of aperture by part fine setting head box labial lamina realizes, but this method changes the while at page quantification, and page moisture is also followed variation; Another is to realize the control of page horizontal quantification by adding dilution water adjusting slurry concentration, this method at the control page quantification simultaneously, can not influence page moisture, and the page horizontal quantification is evenly distributed, these advantages are fit to be applied on the high-speed paper machine approach system very much, so regulate slurry concentration and control the method for page horizontal quantification and be used widely at the head box of high speed paper machine by adding dilution water.Present known head box dilution water adding method all is that the dilution water single-point injects the slurry tube bank, and the flow velocity by slurry in tube bank mixes with slurry.Because be that single-point injects, mix inhomogeneously, near decanting point, slurry concentration is low, away from decanting point, the slurry concentration height.In the slurry tube bank, though the slurry mean concentration has reached the adjusting requirement, CONCENTRATION DISTRIBUTION is inhomogeneous, causes the page Local Quantitative inhomogeneous.
Summary of the invention
Cause the uneven deficiency of local slurry concentration in order to overcome existing head box dilution water adding method, the invention provides a kind of dilution water ring addition device of head box, dilution water is mixed equably with slurry, improve the slurry concentration uniformity.
Purpose of the present invention is achieved through the following technical solutions:
A kind of dilution water adding set of head box is characterized in that: this device comprises dilution water house steward, stepper motor, dilution water valve, dilution water arm and dilution water annular interpolation plate; Described dilution water house steward is connected with many dilution water arms by the dilution water valve respectively, and the dilution water valve is connected with stepper motor, and many dilution water arms add plate with the dilution water annular and are connected.
Described dilution water annular is added plate by a plurality of adding devices transversely arranged composition in the dilution water plate; Described adding device is made up of intake chamber, cannelure, interpolation opening, slurry-feeding hole; The import of described intake chamber is connected with the dilution water arm, and a plurality of outlets of intake chamber link to each other with cannelure respectively; Described cannelure is positioned at the periphery of slurry-feeding hole, and the inboard interpolation opening that passes through links to each other with slurry-feeding hole; Described dilution water annular is added between plate is installed in into the slurry house steward and restrains; Described slurry-feeding hole connects into slurry house steward and tube bank.
Dilution water enters the dilution water annular by the dilution water house steward through dilution water valve, dilution water arm and adds plate, adds in the plate in the dilution water annular, and dilution water adds in the corresponding tube bank equably with annular method.Specifically being dilution water adds intake chamber, cannelure, the interpolation opening of plate through the dilution water annular, evenly adds on the slurry-feeding hole circumference, evenly mixes with slurry in the slurry-feeding hole.The dilution water valve is connected with the horizontal quantification system of paper machine by step motor control, distributes according to the horizontal quantification of page and regulates the dilution water yield of a corresponding row adding device, thereby regulate the corresponding site slurry concentration, the quantitative distribution of change page.Dilution water can adopt the machine water of paper machine.
Described interpolation opening evenly distributes at the cannelure circumference, and its number is 4 to 8.
2～4 outlets of described intake chamber link to each other with cannelure respectively, form vertical arrangement of adding device, the vertical arrangement pitches of adding device 60mm to 100mm, and its line number is 2 to 4 row; Be positioned at in the delegation with the adding device that different dilution water arms connect by intake chamber, form the transversely arranged of adding device, the transversely arranged spacing of described adding device is 60mm to 100mm; Each dilution water valve control dilution water is to 2 to 4 adding devices of row, and the transversely arranged spacing of dilution water valve is 60mm to 100mm.
With respect to prior art, the present invention has following advantage and beneficial effect:
Aspect the quantitative distribution of the horizontal overall situation of control page, the method that the dilution water yield that the present invention regulates corresponding site by the horizontal every interval 60mm to 100mm of dilution water valve changes slurry concentration realizes the quantitative control that distributes of the horizontal overall situation of page, and the horizontal overall situation of page quantitatively is evenly distributed; At the control page quantification simultaneously, can not influence the distribution of page moisture, realize the control that separates of horizontal quantification with the horizontal moisture of page, be fit to very much be applied on the head box of high speed paper machine.
Aspect the horizontal Local Quantitative distribution of control page, the present invention uses dilution water annular adding method, in the adding device pitch area of horizontal each 60mm to 100mm of page, each adding device has 4 to 8 dilution water decanting points, add equably with annular method, guarantee that dilution water mixes with the even of slurry, improve the adding device slurry concentration uniformity of regional area at interval, thereby improve the uniformity that the horizontal Local Quantitative of page distributes.
The present invention has realized comprehensive control that the overall situation that page is horizontal and Local Quantitative distribute, and the page horizontal quantification is more evenly distributed.
Description of drawings
Fig. 1 is the dilution water adding set structural representation of head box.
Fig. 2 is the A-A profile of Fig. 1.
Fig. 3 is the B place partial enlarged drawing of Fig. 2.
The specific embodiment
For further understanding the present invention, below in conjunction with accompanying drawing the present invention is further described, need to prove that the specific embodiment is not construed as limiting the scope of protection of present invention.
As shown in Figure 1, the dilution water ring addition device of head box mainly adds plate 6 by dilution water house steward 2, stepper motor 3, dilution water valve 4, dilution water arm 5, dilution water annular and forms.Dilution water annular is added plate 6 and is installed in into slurry house steward 1 and restrains between 7, the slurry that advances to starch house steward 1 enters tube bank 7 by the slurry-feeding hole 11 on the dilution water annular interpolation plate 6, dilution water adds the adding device of plate 6 by the dilution water annular simultaneously, be assigned on the corresponding slurry-feeding hole 11, evenly mix with the slurry in the slurry-feeding hole, enter tube bank 7 through mixed slurry.Dilution water house steward 2 is connected with many dilution water arms 5 by dilution water valve 4 respectively, and dilution water valve 4 also is connected with stepper motor 3, and many dilution water arms 5 add plate 6 with the dilution water annular and are connected.
Fig. 2 shows dilution water and adds plate structure; Fig. 3 shows the structure of adding device.Shown in Fig. 2,3, adding device is made up of intake chamber 8, cannelure 9, interpolation opening 10, slurry-feeding hole 11; The import of intake chamber 8 is connected with dilution water arm 5, and a plurality of outlets of intake chamber 8 link to each other with cannelure 9 respectively; Cannelure 9 is positioned at the periphery of slurry-feeding hole 11, and the inboard interpolation opening 10 that passes through links to each other with slurry-feeding hole 11; Add opening 10 and connect cannelure 9 and slurry-feeding hole 11, evenly distribute at cannelure 9 circumference, its number is preferably 4 to 8.2～4 outlets of intake chamber 8 link to each other with cannelure 9 respectively, form on the same dilution water arm 5 a plurality of adding devices and vertically arrange; Vertical arrangement pitches of adding device can be preferably 60mm to 100mm, its line number is 2 to 4 row, promptly an intake chamber 8 connects 2～4 cannelures 9, and each dilution water valve 4 control dilution water is to 2 to 4 adding devices of row, and the transversely arranged spacing of dilution water valve 4 is 60mm to 100mm.Be positioned at in the delegation with the adding device that different dilution water arms 5 connect by intake chamber 8, form the transversely arranged of adding device, its spacing is
60Mm to 100mm, the columns of adding device is according to the width decision of head box; Dilution water annular is added plate 6 by a plurality of adding devices transversely arranged composition in the dilution water plate.After dilution water is adjusted flow by dilution water house steward 2 through dilution water valve 4, be connected to the dilution water annular by dilution water arm 5 and add plate 6, add 6 li of plates in the dilution water annular, dilution water adds intake chamber 8, cannelure 9, the interpolation opening 10 of plate 6 through the dilution water annular, evenly add on the circumference of slurry-feeding hole 11, evenly mix with the slurry of 11 li of slurry-feeding holes, the slurry of having regulated concentration enters in the head box by restraining 7.Adding opening 10 has 4 to 8, and being equivalent to a tubulation bundle has 4 to 8 dilution water decanting points, and slurry concentration is evenly distributed.
Aspect the quantitative distribution of the horizontal overall situation of control page, the method that the dilution water yield that the present invention regulates corresponding site by the horizontal every interval 60mm to 100mm of dilution water valve changes slurry concentration realizes the quantitative control that distributes of the horizontal overall situation of page, and the horizontal overall situation of page quantitatively is evenly distributed; At the control page quantification simultaneously, can not influence the distribution of page moisture, realize the control that separates of horizontal quantification with the horizontal moisture of page, be fit to very much be applied on the head box of high speed paper machine.
Aspect the horizontal Local Quantitative distribution of control page, the present invention uses dilution water annular adding method, in the adding device pitch area of horizontal each 60mm to 100mm of page, each adding device has 4 to 8 dilution water decanting points, add equably with annular method, guarantee that dilution water mixes with the even of slurry, improve the adding device slurry concentration uniformity of regional area at interval, thereby improve the uniformity that the horizontal Local Quantitative of page distributes.
The present invention has realized comprehensive control that the overall situation that page is horizontal and Local Quantitative distribute, and the page horizontal quantification is more evenly distributed.
Claims (3)
1. the dilution water adding set of a head box is characterized in that: this device comprises that dilution water house steward, stepper motor, dilution water valve, dilution water arm and dilution water annular add plate; Described dilution water house steward is connected with many dilution water arms by the dilution water valve respectively, and the dilution water valve is connected with stepper motor, and many dilution water arms add plate with the dilution water annular and are connected;
Described dilution water annular is added plate by a plurality of adding devices transversely arranged composition in the dilution water plate; Described adding device is made up of intake chamber, cannelure, interpolation opening, slurry-feeding hole; The import of described intake chamber is connected with the dilution water arm, and a plurality of outlets of intake chamber link to each other with cannelure respectively; Described cannelure is positioned at the periphery of slurry-feeding hole, and the inboard interpolation opening that passes through links to each other with slurry-feeding hole; Described dilution water annular is added between plate is installed in into the slurry house steward and restrains; Described slurry-feeding hole connects into slurry house steward and tube bank.
2. device according to claim 1 is characterized in that: described interpolation opening evenly distributes at the cannelure circumference, and its number is 4 to 8.
3. device according to claim 1 is characterized in that: 2～4 outlets of described intake chamber link to each other with cannelure respectively, form vertical arrangement of adding device, the vertical arrangement pitches of adding device 60mm to 100mm, and its line number is 2 to 4 row; Be positioned at in the delegation with the adding device that different dilution water arms connect by intake chamber, form the transversely arranged of adding device, the transversely arranged spacing of described adding device is 60mm to 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102185859A CN101392471B (en) | 2008-10-23 | 2008-10-23 | Dilution water ring addition device of head box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102185859A CN101392471B (en) | 2008-10-23 | 2008-10-23 | Dilution water ring addition device of head box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101392471A true CN101392471A (en) | 2009-03-25 |
| CN101392471B CN101392471B (en) | 2011-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102185859A Expired - Fee Related CN101392471B (en) | 2008-10-23 | 2008-10-23 | Dilution water ring addition device of head box |
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| CN (1) | CN101392471B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2491850A (en) * | 2011-06-14 | 2012-12-19 | Xoptix Ltd | A dilution system |
| CN102918203A (en) * | 2010-06-01 | 2013-02-06 | 沃依特专利有限责任公司 | Positioning drive and positioning drive system |
| CN103276618A (en) * | 2013-05-30 | 2013-09-04 | 华南理工大学 | Papermaking chemical adding device |
| CN105780579A (en) * | 2016-04-29 | 2016-07-20 | 华南理工大学 | Pulp fluid box dilution water adding device and method |
| CN108660842A (en) * | 2018-04-09 | 2018-10-16 | 华南理工大学 | A kind of dilution water adding set of head box |
| CN109629307A (en) * | 2018-12-29 | 2019-04-16 | 周柏太 | A kind of paper machine headbox |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6083351A (en) * | 1998-03-25 | 2000-07-04 | Voith Sulzer Paper Technology North America, Inc. | Dilution control device for a wet end of a paper-making machine |
| FI113672B (en) * | 1999-04-28 | 2004-05-31 | Metso Paper Inc | Method and apparatus for mixing a diluent with a stock flow in a paper machine or board machine |
| DE10331040A1 (en) * | 2003-07-09 | 2005-01-27 | Voith Paper Patent Gmbh | Papermaking assembly fibre suspension headbox has throttle control of dilution mechanism in outer margin |
| CN101012629B (en) * | 2006-05-31 | 2011-04-27 | 华南理工大学 | Diluting water adding device of head box |
| CN100400745C (en) * | 2006-07-07 | 2008-07-09 | 华南理工大学 | Device for roughly regulating or fine adjustment for paper banner through adding diluent water |
-
2008
- 2008-10-23 CN CN2008102185859A patent/CN101392471B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102918203A (en) * | 2010-06-01 | 2013-02-06 | 沃依特专利有限责任公司 | Positioning drive and positioning drive system |
| CN102918203B (en) * | 2010-06-01 | 2016-02-17 | 沃依特专利有限责任公司 | Position control driving device and position control driving system |
| GB2491850A (en) * | 2011-06-14 | 2012-12-19 | Xoptix Ltd | A dilution system |
| GB2491850B (en) * | 2011-06-14 | 2018-03-21 | Xoptix Ltd | Dilution system |
| CN103276618A (en) * | 2013-05-30 | 2013-09-04 | 华南理工大学 | Papermaking chemical adding device |
| CN105780579A (en) * | 2016-04-29 | 2016-07-20 | 华南理工大学 | Pulp fluid box dilution water adding device and method |
| CN105780579B (en) * | 2016-04-29 | 2017-12-01 | 华南理工大学 | A kind of headbox dilution water adding set and method |
| CN108660842A (en) * | 2018-04-09 | 2018-10-16 | 华南理工大学 | A kind of dilution water adding set of head box |
| CN109629307A (en) * | 2018-12-29 | 2019-04-16 | 周柏太 | A kind of paper machine headbox |
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| Publication number | Publication date |
|---|---|
| CN101392471B (en) | 2011-09-07 |
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Granted publication date: 20110907 Termination date: 20171023 |