CN203720049U - Drainability testing apparatus for paper pulp - Google Patents
Drainability testing apparatus for paper pulp Download PDFInfo
- Publication number
- CN203720049U CN203720049U CN201420094009.9U CN201420094009U CN203720049U CN 203720049 U CN203720049 U CN 203720049U CN 201420094009 U CN201420094009 U CN 201420094009U CN 203720049 U CN203720049 U CN 203720049U
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- CN
- China
- Prior art keywords
- pulp
- paper
- water
- drainability
- water filling
- 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.)
- Expired - Lifetime
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- 229920001131 Pulp (paper) Polymers 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 4
- 230000018044 dehydration Effects 0.000 abstract description 3
- 238000006297 dehydration reaction Methods 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 15
- 239000000706 filtrate Substances 0.000 description 5
- 108010085603 SFLLRNPND Proteins 0.000 description 4
- 238000010009 beating Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
The utility model relates to a drainability testing apparatus for paper pulp. The drainability testing apparatus for paper pulp comprises a water injection device, a water filtering device, a measuring device and a bracket, wherein the lower end of the bracket is arranged on a worktable; the water filtering device comprises a water filtering tank, a filter screen, a flange disc and a ball valve; the water injection device comprises a liquid level tank, a water injection pore plate, a connecting rod and a limiting pore plate; the measuring device comprises a thermometer and a measuring barrel; the measuring barrel is placed below a straight flow pipe, and the thermometer is arranged inside the measuring barrel. The drainability testing apparatus for paper pulp provided by the utility model is also known as a specific filtration resistance (SFR) tester for testing the SFR of paper-making pulp. The index can truly reflect the filter dehydration resistance of an upper water liquid penetrating through a paper web when pulp forms the wet paper web on the web section of a paper machine. The drainability testing apparatus is particularly suitable for representation of the drainability of ultrahigh quantitative special paper at the web section of the low speed paper machine and has the advantages of relatively simple structure, convenience in operation and maintenance, low manufacturing cost, low maintenance cost and the like.
Description
Technical field
The utility model belongs to paper making raw material checkout equipment technical field, particularly relates to a kind of Pulp Drainage Properties determinator, is called specific filt rationresistance analyzer.This device is for measuring the specific filt rationresistance (Specific Filtration Resistance, i.e. SFR) of paper making pulp.
Background technology
Slurry water filtering performance can directly affect the speed degree of slurry at web part of paper machine drainage, is also one of important parameter being related to the design of paper machine and process control thereof.Therefore,, how accurately the water filtering performance of measuring fast and easily slurry have important practical significance.At present, the evaluation means of paper making pulp water filtering performance uses Schooper-Riegler beating degree tester and dynamic drainage instrument conventionally.Schooper-Riegler beating degree tester is than the water filtering performance that is more suitable for characterizing the simple paper making pulp that contains 100% cellulose fibre, poor for applicability for complicated paper making pulp system.Such as in the time that the filer content in slurry is very high or fiber content is very low, the height of its beating degree just cannot truly reflect the drainage behavior of slurry at web part of paper machine.Although the slurry of the general paper grades of the dynamic drainage instrument fine reflection of energy is in the drainage characteristic of web part of paper machine, quantitative (such as >1000g/m to superelevation
2) the applicability of specialties product also poor because it can not be reflected in wet web just after one-step forming, its upper water liquid penetrates the filter dehydration resistance by paper web.
Therefore for paper making pulp or the quantitative specialties product of superelevation of high filler content, this area is not yet found a kind ofly more can characterize exactly the pick-up unit of slurry in web part of paper machine drainage characteristic than Schooper-Riegler beating degree tester and dynamic drainage instrument at present.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide a kind of structure relatively simple, and operation and maintenance is convenient, and cost is low, and maintenance cost is little, and can effectively characterize the slurry water filtering performance pick-up unit of paper making pulp at web part of paper machine water filtering performance.
In order to achieve the above object, the Pulp Drainage Properties determinator that the utility model provides comprises water filling device, water treatment plant, measurement mechanism and support; The lower end of its medium-height trestle is arranged on worktable; Water treatment plant comprises drainage trap, filter screen, ring flange and ball valve, and wherein drainage trap is funnel-form, and upper end is fixed on support upper center by ring flange, on the battery tube of its lower end, ball valve is installed; Filter screen is arranged on the upper port place of drainage trap; Water filling device comprises level tank, water filling orifice plate, connecting rod and restriction orifice; Wherein level tank is circular tube shaped, in the circle wall of top, is formed with spout hole, and lower ending opening is placed in the perforate of ring flange, and is pressed in the marginal surface position of filter screen; The center of water filling orifice plate and restriction orifice utilizes respectively nut to be fixed on the top and bottom of connecting rod, water filling orifice plate is placed on the upper port place of level tank, on it, be formed with water injection hole, on restriction orifice, be formed with multiple metering holes, and connecting rod and restriction orifice are arranged on the inside of level tank; Measurement mechanism comprises thermometer and measuring cylinder, and measuring cylinder is placed on battery tube below, and thermometer is arranged on the inside of measuring cylinder.
Distance on described restriction orifice and filter screen between wet pulp layer is 5mm～10mm.
Between described ring flange and drainage trap, be added with sealing gasket, with the sealing of assurance device.
The slurry water filtering performance pick-up unit that the utility model provides is also referred to as specific filt rationresistance analyzer, for measuring the specific filt rationresistance (SFR) of paper making pulp, this index can reflect that slurry forms after wet web at web part of paper machine more realistically, its upper water liquid penetrates the filter dehydration resistance by paper web, this device is specially adapted to characterize the drainage proterties of the quantitative specialties kind of superelevation at low speed paper machine wet end, has the advantages such as structure is relatively simple, operation and maintenance is convenient, cost is low, maintenance cost is little.
Brief description of the drawings
The Pulp Drainage Properties determinator one-piece construction schematic diagram that Fig. 1 provides for the utility model.
Water filling device part-structure schematic diagram in the Pulp Drainage Properties determinator that Fig. 2 provides for the utility model.
Water treatment plant partial structurtes cut-open view in the Pulp Drainage Properties determinator that Fig. 3 provides for the utility model.
Embodiment
Pulp Drainage Properties determinator the utility model being provided below in conjunction with the drawings and specific embodiments is elaborated.
As shown in Fig. 1 mono-Fig. 3, the Pulp Drainage Properties determinator that the utility model provides comprises water filling device 1, water treatment plant 2, measurement mechanism 3 and support 14; The lower end of its medium-height trestle 14 is arranged on worktable; Water treatment plant 2 comprises drainage trap 9, filter screen 7, ring flange 8 and ball valve 10, and wherein drainage trap 9 is funnel-form, and upper end is fixed on support 14 upper center by ring flange 8, on the battery tube 11 of its lower end, ball valve 10 is installed; Filter screen 7 is arranged on the upper port place of drainage trap 9; Water filling device 1 comprises level tank 5, water filling orifice plate 16, connecting rod 17 and restriction orifice 6; Wherein level tank 5 is circular tube shaped, is formed with spout hole 4 in the circle wall of top, and lower ending opening is placed in the perforate of ring flange 8, and is pressed in the marginal surface position of filter screen 7; The center of water filling orifice plate 16 and restriction orifice 6 utilizes respectively nut 15 to be fixed on the top and bottom of connecting rod 17, water filling orifice plate 16 is placed on the upper port place of level tank 5, on it, be formed with water injection hole, on restriction orifice 6, be formed with multiple metering holes, and connecting rod 17 and restriction orifice 6 are arranged on the inside of level tank 5; Measurement mechanism 3 comprises thermometer 12 and measuring cylinder 13, and measuring cylinder 13 is placed on battery tube 11 belows, and thermometer 12 is arranged on the inside of measuring cylinder 13.
Distance on described restriction orifice 6 and filter screen 7 between wet pulp layer is 5mm～10mm.
Between described ring flange 8 and drainage trap 9, be added with sealing gasket 19, with the sealing of assurance device.
The Pulp Drainage Properties determinator using method now the utility model being provided is described below:
1, in the time need to measuring the specific filt rationresistance of paper making pulp, first by tester according to the grammes per square metre requirement after sizing material forming to be measured, as G (g/m
2) and water treatment plant 2 in the shaping area A (m of filter screen 7
2), calculate the oven-dry weight m=G × A of the required slurry of single experiment;
2, take the slurry to be measured that oven-dry weight is m;
3, take off water filling orifice plate 16, connecting rod 17 and the restriction orifice 6 on water filling device 1, close ball valve 10, then from level tank 5 upper ends to its intracontour waterflooding, until just submergence filter screen 7 of water;
4, above-mentioned load weighted slurry is added in level tank 5, and with glass bar agitation as appropriate with form pulp suspension;
5, open the ball valve 10 in water treatment plant 2, make the slow drainage of slurry and on filter screen 7, form the uniform wet pulp layer of one deck, close ball valve 10, the filtrate then this being flow in measuring cylinder 13 from battery tube 11 is all outwelled;
6, restriction orifice 6 and connecting rod 17 are put back in level tank 5 again, and utilize the nut 15 regulating on water filling orifice plate 16 tops, with the method for adjusting connecting rod 17 length, the distance between restriction orifice 6 and above-mentioned wet pulp layer is adjusted to 5mm～10mm, to prevent from destroying wet pulp layer;
7, by the water injection hole on water filling orifice plate 16 to the interior water filling of level tank 5, until there are flowing out in spout hole 4, in the injecting process, can utilize restriction orifice 6 to prevent that current from destroying in type wet pulp layer;
8, open ball valve 10, utilize measuring cylinder 13 to collect filtrate t second, in filtrate collection process, should adjust amount of water to ensure that spout hole 4 is in overflow situation, t closes ball valve 10 after second, stop water filling simultaneously; Read filtrate volume V from the scale of measuring cylinder 13, can obtain filtering rate
(being V/t);
9, utilize thermometer 12 to measure filtrate temperature T, and find the viscosity, mu of water at this temperature;
10, reopen ball valve 10, the water in level tank 5 is all bled off;
11, the lower end of water filling device 1 is taken out in the perforate of ring flange 8, then gently wet pulp layer is taken out and is placed on the quantitative filter paper that known over dry is heavy from filter screen 7, wet pulp layer is together placed in baking oven and is dried to over dry together with quantitative filter paper, and taking its weight is M;
12, utilize formula
calculate the specific filt rationresistance of this slurry.
Claims (3)
1. a Pulp Drainage Properties determinator, is characterized in that: it comprises water filling device (1), water treatment plant (2), measurement mechanism (3) and support (14); The lower end of its medium-height trestle (14) is arranged on worktable; Water treatment plant (2) comprises drainage trap (9), filter screen (7), ring flange (8) and ball valve (10), wherein drainage trap (9) is funnel-form, upper end is fixed on support (14) upper center by ring flange (8), on the battery tube (11) of its lower end, ball valve (10) is installed; Filter screen (7) is arranged on the upper port place of drainage trap (9); Water filling device (1) comprises level tank (5), water filling orifice plate (16), connecting rod (17) and restriction orifice (6); Wherein level tank (5) is circular tube shaped, is formed with spout hole (4) in the circle wall of top, and lower ending opening is placed in the perforate of ring flange (8), and is pressed in the marginal surface position of filter screen (7); The center of water filling orifice plate (16) and restriction orifice (6) utilizes respectively nut (15) to be fixed on the top and bottom of connecting rod (17), water filling orifice plate (16) is placed on the upper port place of level tank (5), on it, be formed with water injection hole, restriction orifice is formed with multiple metering holes on (6), and connecting rod (17) and restriction orifice (6) are arranged on the inside of level tank (5); Measurement mechanism (3) comprises thermometer (12) and measuring cylinder (13), measuring cylinder (13) is placed on battery tube (11) below, and thermometer (12) is arranged on the inside of measuring cylinder (13).
2. Pulp Drainage Properties determinator according to claim 1, is characterized in that: the distance between the upper wet pulp layer of described restriction orifice (6) and filter screen (7) is 5mm～10mm.
3. Pulp Drainage Properties determinator according to claim 1, is characterized in that: between described ring flange (8) and drainage trap (9), be added with sealing gasket (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094009.9U CN203720049U (en) | 2014-03-04 | 2014-03-04 | Drainability testing apparatus for paper pulp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094009.9U CN203720049U (en) | 2014-03-04 | 2014-03-04 | Drainability testing apparatus for paper pulp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720049U true CN203720049U (en) | 2014-07-16 |
Family
ID=51159189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420094009.9U Expired - Lifetime CN203720049U (en) | 2014-03-04 | 2014-03-04 | Drainability testing apparatus for paper pulp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720049U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990839A (en) * | 2015-07-07 | 2015-10-21 | 长安大学 | Permeability test device for sand-containing fog sealing layer material |
| CN106770489A (en) * | 2016-12-28 | 2017-05-31 | 华东交通大学 | A kind of filtrate dilation measurement system |
| CN108956378A (en) * | 2018-06-05 | 2018-12-07 | 东莞塔菲尔新能源科技有限公司 | A kind of test device and its test method of slurry fluidity |
| CN112710580A (en) * | 2020-12-21 | 2021-04-27 | 河南卷烟工业烟草薄片有限公司 | On-line detection device for distribution uniformity of paper-making reconstituted tobacco pulp |
-
2014
- 2014-03-04 CN CN201420094009.9U patent/CN203720049U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990839A (en) * | 2015-07-07 | 2015-10-21 | 长安大学 | Permeability test device for sand-containing fog sealing layer material |
| CN104990839B (en) * | 2015-07-07 | 2017-11-28 | 长安大学 | A kind of sealing material permeability test device of mist containing sand |
| CN106770489A (en) * | 2016-12-28 | 2017-05-31 | 华东交通大学 | A kind of filtrate dilation measurement system |
| CN106770489B (en) * | 2016-12-28 | 2020-05-01 | 华东交通大学 | Filter material swelling degree measuring system |
| CN108956378A (en) * | 2018-06-05 | 2018-12-07 | 东莞塔菲尔新能源科技有限公司 | A kind of test device and its test method of slurry fluidity |
| CN108956378B (en) * | 2018-06-05 | 2023-09-26 | 江苏正力新能电池技术有限公司 | Slurry fluidity testing device and testing method thereof |
| CN112710580A (en) * | 2020-12-21 | 2021-04-27 | 河南卷烟工业烟草薄片有限公司 | On-line detection device for distribution uniformity of paper-making reconstituted tobacco pulp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100102 Chaoyang District, No. 4, Kai Yang Road, light building, Beijing Patentee after: CHINA NATIONAL PULP AND PAPER RESEARCH INSTITUTE Co.,Ltd. Address before: 100102 Chaoyang District, No. 4, Kai Yang Road, light building, Beijing Patentee before: CHINA NATIONAL PULP AND PAPER Research Institute |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
|
| CX01 | Expiry of patent term |