CN102182096A - Splicing bar type screen cylinder - Google Patents
Splicing bar type screen cylinder Download PDFInfo
- Publication number
- CN102182096A CN102182096A CN2011100458622A CN201110045862A CN102182096A CN 102182096 A CN102182096 A CN 102182096A CN 2011100458622 A CN2011100458622 A CN 2011100458622A CN 201110045862 A CN201110045862 A CN 201110045862A CN 102182096 A CN102182096 A CN 102182096A
- Authority
- CN
- China
- Prior art keywords
- screen cylinder
- rod
- fixed part
- bar
- turbulent portion
- 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.)
- Pending
Links
Images
Landscapes
- Paper (AREA)
Abstract
The invention relates to a splicing bar type screen cylinder which solves the problems of complicated production process, difficult machining and poor precision of the existing screen cylinder. The screen cylinder is shaped like a cylinder and provided with a plurality of reinforcement rings, and bars arranged at the circumferences of the reinforcement rings are formed into a screen cylinder shape. The screen cylinder is characterized in that the bars comprise a first bar and a second bar which are sequentially and alternately arranged in parallel, the first bar and the second bar are located by mutual cooperation, and the width and uniformity of a screen cut of the screen cylinder are determined on the basis of the own widths of the first bar and the second bar; the first bar comprises a first fixing part and a first turbulence part; and the second bar comprises a second fixing part and a second turbulence part. The improved screen cylinder has a simple manufacturing process, and the cross sections of the two bars are in simple geometric shapes and are convenient to machine; and the screen cylinder has high precision, and avoids radial and axial errors caused by slot machining and installation, thereby improving the circumferential progressive error and radial runout of corrugations of the screen cylinder, and increasing the production efficiency of the screen cylinder.
Description
Technical field
The present invention relates to paper-making pulping screening installation technical field, specifically a kind of screen cylinder that in the papermaking operation, paper pulp is carried out size degradation and screening.
Background technology
The pressurized screen screen cylinder is widely used in the paper-making pulping screening secondary stock behind the size degradation being screened, and the paper fiber is separated with weight impurity.Its screening process is when slurry stitches by the sieve on the screen cylinder, makes the slurry less than sieve seam enter good slurry part by the sieve seam under the effect of external and internal pressure difference, and the impurity that does not pass through is then sifted out to carry out other modes and handle.
The production method of the pressurized screen screen cylinder of present domestic extensive use is to process teeth groove on reinforcing ring, the rod that processes is inlayed one by one in the teeth groove that inserts reinforcing ring again, then rod is connected with welding or bonding mode with reinforcing ring.In the structure of this kind screen cylinder, teeth groove on the reinforcing ring has location and fixing double action, though this structure has also played good screening effect, but because it is too high to making required precision, the degree of difficulty of processing increases, manufacture craft is too loaded down with trivial details, otherwise the circular runout of screen cylinder and circumferential cumulative errors will be very big.Add the influence of welding stress, so that influenced the uniformity of sieve seam, thereby the production capacity of screen cylinder and purification efficiency are descended, finally reduced shaping paper quality rod.
Summary of the invention
For overcome existing screen cylinder complex manufacturing, processing difficulties, low precision problem, the invention provides the more simple and effective screen cylinder of a kind of manufacturing technique.
The present invention solves the technical scheme that its technical problem takes: a kind of spliced rod screen cylinder, described screen cylinder is tubular, have a plurality of coaxial arrangement and the reinforcing ring of the annular of supporting role is arranged, the described reinforcing ring periphery evenly a series of rod of layout forms the sieve shape tube with slit, it is characterized in that, described rod comprises successively spaced apart first rod and the second leg side by side, and described first rod and second rod location that cooperatively interacts is the width and the uniformity of determining screen cylinder sieve seam by two rods self width.
Further, described reinforcing ring is the circular object of rigidity, is uniform and smooth surface in the interior outside at least;
Described first rod is bar shaped in the longitudinal direction, and the described first rod cross section is " I " shape; Described first rod bottom is the first continuous in the longitudinal direction fixed part, and the described first rod top is the first turbulent portion; The described first fixed part bottom surface is the face that fits with reinforcing ring, and the described first fixed part both sides have positioning convex and groove; The described first turbulent portion cross section is from the outward extending corrugated of fixed part, forms single ripple, and is continuous strip in the longitudinal direction;
Described second rod comprises second fixed part and the second turbulent portion; Described second fixed part is to go up the interrupted serial blocks of layout in the second turbulent portion at interval along its length, described blocks has identical cross section with first fixed part, and cooperatively interact by positioning convex and groove between the blocks in described first fixed part and second fixed part, the described second turbulent portion and the first turbulent portion have same structure, and the turbulent portion of two adjacent rods is gapped each other, described pulp liquor can be by the gap between the first and second turbulent portions, by the hollow out position of second fixed part, realize the purpose of screening then.
Described first rod and second rod weld together with reinforcing ring respectively.
The described first turbulent portion has identical cross section with the second turbulent portion, from the cross section, comprise neck and corrugated part, described corrugated part is to the triangle ripple that extends to form from neck, adjacent corrugated part is formed continuous ripple, the width of described neck can form pressure difference value in the outside less than the width of corresponding fixed part in ripple.
The invention has the beneficial effects as follows:
1) the screen cylinder manufacture craft after the improvement is simple, and the cross section of two rods is the simple geometric shape, and processing is convenient in modularized design, and reinforcing ring has been rejected the processing technology of teeth groove;
2) precision height is determined the width and the uniformity that sieve stitches with rod self, has avoided the radial and axial error that processing and installation brought of teeth groove, has improved the circumferential cumulative errors and the circular runout of the ripple of screen cylinder, has improved the production efficiency of screen cylinder.
Description of drawings
Fig. 1 is the first rod structural representation;
Fig. 2 is the second rod structural representation;
Fig. 3 is a structural representation of the present invention;
Fig. 4 is the D-D cutaway view among Fig. 3;
Fig. 5 is the C-C cutaway view among Fig. 3;
Fig. 6 is an A place partial enlarged drawing among Fig. 5; Arrow is represented the type of flow of slurries.
Among the figure: 1 first rod, 11 first fixed parts, 12 first turbulent portions, 13 projectioies, 14 grooves, 15 necks, 16 corrugated parts, 2 second rods, 21 second fixed parts, 22 second turbulent portions, 23 hollow-out parts, 3 reinforcing rings.
The specific embodiment
As Fig. 1～shown in Figure 6,
A kind of spliced rod screen cylinder comprises a plurality of reinforcing rings 3 of the ring-type that level is provided with, and all reinforcing rings are in coaxial arrangement.Reinforcing ring 3 cross sections are rectangle.(or inboard) is set up in parallel first rod 1 and second rod 2 of vertical layout successively in the outside of reinforcing ring 3, forms first rod and second rod and intersect spaced apart form on reinforcing ring.
The first above-mentioned rod 1 is vertically arranged, and the cross section is " I " shape, and being divided into is that first fixed part 11 and the first turbulent portion, 12, the first fixed parts 11 directly contact with reinforcing ring 3 and link to each other, and the first turbulent portion 12 is in the outside.The face that first fixed part 11 and reinforcing ring are fitted is the bottom surface, and then bottom surface and reinforcing ring medial surface are complementary, the projection 13 and the groove 14 that are provided for locating simultaneously on first fixed part, 11 left and right sides faces.Be the first special-shaped turbulent portion endways, from the cross section, the first turbulent portion comprises neck 15 and corrugated part 16, described corrugated part 16 is to the triangle ripple that extends to form from neck, adjacent corrugated part is formed continuous ripple, state the width of the width of neck, can in ripple, form pressure difference value in the outside less than corresponding fixed part.Above-mentioned corrugated part can be any type of screen cylinder common shape.
The second above-mentioned rod 2 is vertically arranged, the second turbulent portion 22 is the turbulent portion identical construction form with first rod, difference is, second fixed part 21 of second rod is the blocks that is interrupted, not continuous, form fixed part, the second fixed part bottom surface and reinforcing ring medial surface fit, and have locator protrusions and groove in the second fixed part left and right sides.Second rod can be removed the fixed part partial material by milling and process on the basis of first rod, form hollow-out parts 23.
Architectural feature of the present invention relatively adapts to industrialized production, and first rod and second rod have essentially identical structure, and is convenient to make, and need not to process locating slot on the reinforcing ring, has reduced the difficulty of processing of reinforcing ring.
The foregoing description only is a preferred implementation to this patent, can also produce numerous embodiments, but the combined type that focuses on these two kinds of rods uses version, and this is unexistent before being.
Except that the described technical characterictic of specification, be the known technology of those skilled in the art.
Claims (4)
1. spliced rod screen cylinder, described screen cylinder is tubular, be nested with a plurality of annular reinforcing ring on the described screen cylinder with supporting role, the described reinforcing ring periphery evenly a series of rod of layout forms the screen cylinder with slit, described screen cylinder side forms ripple, it is characterized in that described rod comprises spaced apart successively first rod and the second leg, and gapped between the two adjacent rods, determine the width and the uniformity of screen cylinder sieve seam by two rods self width.
2. a kind of spliced rod screen cylinder according to claim 1 is characterized in that described reinforcing ring is the circular object of rigidity, and is uniform and smooth surface in the interior outside at least;
Described first rod is bar shaped in the longitudinal direction, and the described first rod cross section is " I " shape; Described first rod bottom is the first continuous in the longitudinal direction fixed part, and the described first rod top is the first turbulent portion; Described first fixed part bottom surface and reinforcing ring fit, and the described first fixed part both sides have positioning convex and groove; The described first turbulent portion cross section is from the outward extending corrugated of fixed part, and the described first turbulent portion is continuous bar shaped in the longitudinal direction;
Described second rod comprises second fixed part and the second turbulent portion; Described second fixed part is to go up the interrupted serial blocks of layout in the second turbulent portion at interval along its length, described blocks has identical cross section with first fixed part, and cooperatively interact by positioning convex and groove between the blocks in described first fixed part and second fixed part, the described second turbulent portion has identical structure with the first turbulent portion, and the turbulent portion of two adjacent rods is gapped each other; Described pulp liquor can pass through the hollow out position of second fixed part then by the gap between the first and second turbulent portions.
3. a kind of spliced rod screen cylinder according to claim 2 is characterized in that described first rod and second rod weld together with reinforcing ring respectively.
4. a kind of spliced rod screen cylinder according to claim 2, it is characterized in that, the described first turbulent portion has identical cross section with the second turbulent portion, from the cross section, comprise neck and corrugated part, the triangle ripple of described corrugated part for stretching out and form from neck, adjacent corrugated part is formed continuous ripple, the width of described neck can form pressure difference value in the outside less than the width of corresponding fixed part when liquid flows through in ripple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100458622A CN102182096A (en) | 2011-02-25 | 2011-02-25 | Splicing bar type screen cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100458622A CN102182096A (en) | 2011-02-25 | 2011-02-25 | Splicing bar type screen cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102182096A true CN102182096A (en) | 2011-09-14 |
Family
ID=44568378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100458622A Pending CN102182096A (en) | 2011-02-25 | 2011-02-25 | Splicing bar type screen cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102182096A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101171390A (en) * | 2005-05-09 | 2008-04-30 | 纺织过滤材料股份有限公司 | Screen basket with replaceable profiled bars |
| CN101801494A (en) * | 2007-07-31 | 2010-08-11 | 科默有限公司 | improved filtering basket for fibres in water dispersion |
-
2011
- 2011-02-25 CN CN2011100458622A patent/CN102182096A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101171390A (en) * | 2005-05-09 | 2008-04-30 | 纺织过滤材料股份有限公司 | Screen basket with replaceable profiled bars |
| CN101801494A (en) * | 2007-07-31 | 2010-08-11 | 科默有限公司 | improved filtering basket for fibres in water dispersion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8853107B2 (en) | Industrial two-layer fabric | |
| CN1278311A (en) | Method for making scren cylinder, and screen cylinder | |
| CN102182096A (en) | Splicing bar type screen cylinder | |
| CN101801494A (en) | improved filtering basket for fibres in water dispersion | |
| US5823355A (en) | Fibresaver screen basket support | |
| CN111515125A (en) | Screen drum and manufacturing process thereof | |
| WO2006000642A1 (en) | Screen assembly for a pulp digester | |
| JP4579662B2 (en) | Method for producing filtration basket of fibers in aqueous suspension and filtration basket produced by said method | |
| CN213231975U (en) | Belt filter press embossing roll | |
| CN101718051B (en) | Improved screen drum | |
| US10227728B2 (en) | Pulp production arrangement and method | |
| CN211471960U (en) | Internal flow type screen mesh | |
| CN201140004Y (en) | Filter | |
| CN109153041A (en) | Circular screen and its manufacturing device | |
| KR101209774B1 (en) | Spiral groove metal pipe manufacture method with symmetrically structured | |
| CN201817737U (en) | Screen drum | |
| CN216809363U (en) | Screen basket and pressure screen | |
| CN211814754U (en) | Support for textile machinery convenient to equipment | |
| EP1316638B1 (en) | Continuous reactor comprising an arrangement for mounting a screen, and a method for mounting a screen to a continuous reactor. | |
| CN213726402U (en) | Integrated into one piece inside and outside section of thick bamboo V type silk screen | |
| CN210622749U (en) | Vibration drill vibrator guide rail structure | |
| CN210596807U (en) | Embedded internal flow stick drum | |
| CN209531987U (en) | A kind of Ring Rolling Machine combined type lead ring | |
| CN214680184U (en) | Wire mesh demister for alkaline washing tower | |
| CN2328688Y (en) | Seam screen for pulp separation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110914 |