CN201488886U - Visual experimental facility used for research on mechanism of dispersion effect of abrasive discs - Google Patents
Visual experimental facility used for research on mechanism of dispersion effect of abrasive discs Download PDFInfo
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- CN201488886U CN201488886U CN2009201945224U CN200920194522U CN201488886U CN 201488886 U CN201488886 U CN 201488886U CN 2009201945224 U CN2009201945224 U CN 2009201945224U CN 200920194522 U CN200920194522 U CN 200920194522U CN 201488886 U CN201488886 U CN 201488886U
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Abstract
The utility model provides a visual experimental facility used for research on mechanism of dispersion effect of abrasive discs, which comprises a disc mill mechanism and a data acquisition mechanism, wherein the disc mill mechanism comprises a base, and a static plate component and a moving plate component which are arranged on the base, and the tail end of a spindle at one side of the moving plate component is connected with a motor by a coupler; the data acquisition mechanism comprises a current detector, a rotating speed controller and a camera which are connected with the motor in sequence, wherein the camera is arranged above the disc mill mechanism; and the data acquisition mechanism is externally connected with an experimental data processing system. The visual experimental facility has simple structure and convenient use and simple operation method, and can be well applied in research on dispersion mechanism of a thermal dispersion machine in a laboratory.
Description
Technical field
The utility model relates to pulp technology for making paper, particularly a kind of visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet.
Background technology
The peptizaiton of paper pulp is an important mechanism in paper-making process, the heat dispersion machine that adopts both at home and abroad has roll-type heat dispersion machine and disc type heat dispersion machine at present, wherein the temperature of roll-type heat dispersion machine processing is low than the disc type heat dispersion machine, the operating temperature of disc type heat dispersion machine is between 90 ℃～130 ℃, and the operating temperature of roll-type heat dispersion machine is lower than 100 ℃.According to experience both domestic and external and data, in the Waste Paper Handling system, the disc type heat dispersion machine is dispersed with certain advantage to the treatment effect of sicker than roll-type heat, and when with waste paper being the middle and high shelves of raw material production paper, what generally use is the disc type heat dispersion machine.Yet there are a lot of defectives in disc type heat dispersion machine commonly used at present, as: adopt the mode of paddle spiral charging to cause the charging lack of homogeneity, the hot dispersion efficiency of the low influence of the clearance control precision between the hot dispersing tablet; The efficiency of heating surface is low, and heat time heating time is long, makes the discharge capacity of COD bigger than normal, influences the intensity of paper pulp, is unfavorable for reducing yellowing reversion of pulp etc.
In order to improve the various defectives that present heat dispersion machine exists, carry out a large amount of research both at home and abroad, but mostly be theoretical derivation, lack concrete experimental results show that.Aspect the research of heat dispersion machine reason, so far without any the detailed report that reclaims heat dispersion machine reason research in the technology about waste paper.Have only a kind of more general view, that needs a quick slipped region exactly, in this zone, will produce enough big shearforce with overcome in the impurity adhesion or the adhesion of impurity and fiber surface; Also have article to think that pressure pulse is helpful to dispersion effect at least, pressure pulse can produce a kind of enough big instantaneous pressure gradient to overcome adhesion on impurity; Also the someone thinks, under the situation that shearing force is discussed, disperses heat the slurry under the concentration conditions to derive with the form of Newtonian fluid, thereby draws the relation between fluted disc cutter distance, slurry concentration, the speed etc.But in actual production, usually all be that the concrete conditions such as model, rotating speed, abrasive disc profile of tooth according to heat dispersion machine are analyzed, thereby determine the controlled variable that heat is disperseed.This just causes the heat dispersion machine of disc type to have above-mentioned defective easily, therefore, to the research of heat dispersion machine dispersion mechanism, needs could be applied to better produce by combination theoretical and experiment.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet is provided, and this device structure is simple, and can be applied to the experimental study of heat dispersion machine dispersion mechanism preferably.
The utility model is achieved through the following technical solutions: a kind of visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet, comprise mill mechanism and data acquisition mechanism, described mill mechanism comprises base, still assembly and moving plate assembly, still assembly and moving plate assembly are located on the base respectively, and by the coaxial setting of main shaft, the main shaft end of moving plate assembly one side is connected with motor by shaft coupling; Described data acquisition mechanism comprises current sensing means, revolution speed control device and the camera that is connected successively with motor, and camera is located at still assembly the place ahead of mill mechanism, the external experimental data processing system of data acquisition mechanism.
Described still assembly comprises quiet mill seat and is fixed in the quiet quiet abrasive disc that grinds on the seat that quiet mill seat is fixed on the described base.
The material of described quiet abrasive disc is transparent materials such as organic glass, after special processings such as polishing, spraying, and characteristics transparent, surface abrasion resistance that quiet abrasive disc has.
Described moving plate assembly comprises moving mill seat and the moving abrasive disc that is fixed on the moving mill seat, and the moving seat that grinds is fixed on the described base by bearing seat.
The material of described moving abrasive disc is transparent materials such as organic glass, after special processings such as polishing, spraying, and characteristics transparent, surface abrasion resistance that moving abrasive disc has.
The bottom of described base is an oat tail groove structure; The quiet mill seat bottom of described still assembly and the bearing seat bottom of moving plate assembly are respectively the dovetail shaped structure that matches with the base bottom; Guarantee the adjustable gaps between quiet abrasive disc and the moving abrasive disc, guaranteed the depth of parallelism and concentricity between the two simultaneously.
Described current sensing means is a reometer; Described revolution speed control device is a frequency converter.
Also can be provided with transparent outer cover in the described mill mechanism.
Can realize a kind of visualized experiment method that is used for researching dispersing action mechanism of grinding sheet by the said equipment, may further comprise the steps:
(1) sets the distance of moving between abrasive disc and the quiet abrasive disc according to the concentration of slurry, regulate quiet abrasive disc then, make the distance between abrasive disc and the quiet abrasive disc reach setting value;
(2) while boot disk grinding machine structure and data acquisition mechanism carry slurry and begin defibrination in mill mechanism;
(3) camera of data acquisition mechanism is taken the defibrination situation in the mill mechanism in real time, and its image data is delivered to experimental data processing system; Current sensing means and revolution speed control device detect the electric current and the rotating speed of motor in the defibrination process respectively in real time, and respectively current data and rotary speed data are delivered to experimental data processing system.
When the above-mentioned visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet uses, regulate the distance of moving between abrasive disc and the static cutting disk according to slurry concentration earlier, in the defibrination process, gather the image data of defibrination situation, the current data and the rotary speed data of motor respectively then by data acquisition mechanism, and send the experimental data processing system that is external in visual abrasive disc dispersing apparatus to, data handling system is to the Treatment Analysis of each data by experiment, thereby to the heat dispersion machine research that experimentizes.
Compared with prior art, the utlity model has following beneficial effect:
1, the utility model is delivered to experimental data processing system then and is carried out Treatment Analysis by the defibrination process being taken and detected in real time the related data of machine operation situation, can be applied to the experimental study of heat dispersion machine dispersion mechanism preferably.
2, moving abrasive disc of the present utility model and static cutting disk all adopt transparent materials such as organic glass to make, can make things convenient in the data acquisition mechanism camera to the shooting of defibrination situation, the image data that obtains is more accurate, helps the analyzing and processing of data, improves its precision of analysis.
3, device structure of the present utility model is simple, and is easy to use, and its operation is also simple, can apply in the laboratory research to the heat dispersion machine dispersion mechanism well.
4, the utility model changes original present situation that is based upon the theoretical derivation research on the hypothesis basis to the research of abrasive disc dispersion mechanism, has realized the visual research of abrasive disc peptizaiton process, can more directly verify various hypothesis and theoretical derivation.
5, the utility model helps whether used abrasive disc in producing rationally reached and how to select rational abrasive disc that direct checking means are provided.
Description of drawings
Fig. 1 is a device structure synoptic diagram of the present utility model.
Fig. 2 is the cross-sectional view of disc mill structure in the utility model.
Fig. 3 is the left view of disc mill structure in the utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment
A kind of visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet of present embodiment, its structure as shown in Figure 1, comprise mill mechanism and data acquisition mechanism, mill mechanism comprises base 1, still assembly 2 and moving plate assembly 3, still assembly 2 and moving plate assembly 3 are located at respectively on the base 1, and by main shaft 4 coaxial settings, the main shaft end of moving plate assembly 3 one sides is connected with motor 6 by shaft coupling; Data acquisition mechanism comprises current sensing means 7, revolution speed control device 8 and the camera 9 that is connected successively with motor 6, and camera 9 is located at the top of mill mechanism, the external experimental data processing system of data acquisition mechanism.
As shown in Figures 2 and 3, still assembly 2 comprises quiet mill seat 10 and is fixed in the quiet quiet abrasive disc 11 that grinds on the seat 10 that quiet mill seat 10 is fixed on the base 1; The material of wherein quiet abrasive disc 10 is transparent materials such as organic glass, and after special processings such as polishing, spraying, quiet abrasive disc 10 has characteristics transparent, surface abrasion resistance.Moving plate assembly 3 comprises moving mill seat 12 and is fixed in moving abrasive disc 13 on the moving mill seat 12, and moving mill seat 12 is fixed on the base 1 by bearing seat 5; The material of moving abrasive disc 13 is transparent materials such as organic glass, and after special processings such as polishing, spraying, moving abrasive disc 13 has characteristics transparent, surface abrasion resistance.
The bottom of base 1 is an oat tail groove structure; Quiet mill seat 10 bottoms of still assembly 2 and bearing seat 5 bottoms of moving plate assembly 3 are respectively the dovetail shaped structure that matches with base 1 bottom; Guarantee the adjustable gaps between quiet abrasive disc 11 and the moving abrasive disc 13, guaranteed the depth of parallelism and concentricity between the two simultaneously.
Current sensing means 7 is a reometer; Revolution speed control device 8 is a frequency converter; Also can be provided with transparent outer cover in the mill mechanism.
Can realize a kind of visualized experiment method that is used for researching dispersing action mechanism of grinding sheet by the said equipment, may further comprise the steps:
(1) sets the distance of moving between abrasive disc 13 and the quiet abrasive disc 11 according to the concentration of slurry, regulate quiet abrasive disc 11 then, make the distance between abrasive disc 13 and the quiet abrasive disc 11 reach setting value;
(2) while boot disk grinding machine structure and data acquisition mechanism carry slurry and begin defibrination in mill mechanism;
(3) camera 9 of data acquisition mechanism is taken the defibrination situation in the mill mechanism in real time, and its image data is delivered to experimental data processing system; Current sensing means 7 and revolution speed control device 8 detect the electric current and the rotating speed of motor 6 in the defibrination process respectively in real time, and respectively current data and rotary speed data are delivered to experimental data processing system.
When the above-mentioned visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet uses, regulate the distance of moving between abrasive disc 13 and the static cutting disk 11 according to slurry concentration earlier, in the defibrination process, gather the image data of defibrination situation, the current data and the rotary speed data of motor 6 respectively then by data acquisition mechanism, and send the experimental data processing system that is external in visual abrasive disc dispersing apparatus to, data handling system is to the Treatment Analysis of each data by experiment, thereby to the heat dispersion machine research that experimentizes.
As mentioned above, just can realize the utility model preferably, the foregoing description is preferred embodiment of the present utility model only, is not to be used for limiting practical range of the present utility model; Be that all equalizations of being done according to the utility model content change and modification, all contained by the utility model claim scope required for protection.
Claims (8)
1. the visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet, it is characterized in that, comprise mill mechanism and data acquisition mechanism, described mill mechanism comprises base, still assembly and moving plate assembly, still assembly and moving plate assembly are located on the base respectively, and by the coaxial setting of main shaft, the main shaft end of moving plate assembly one side is connected with motor by shaft coupling; Described data acquisition mechanism comprises current sensing means, revolution speed control device and the camera that is connected successively with motor, and camera is located at the top of mill mechanism, the external experimental data processing system of data acquisition mechanism.
2. according to the described visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet of claim 1, it is characterized in that described still assembly comprises quiet mill seat and be fixed in the quiet quiet abrasive disc that grinds on the seat that quiet mill seat is fixed on the described base.
3. according to the described visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet of claim 2, it is characterized in that the material of described quiet abrasive disc is an organic glass.
4. according to the described visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet of claim 1, it is characterized in that described moving plate assembly comprises moving mill seat and the moving abrasive disc that is fixed on the moving mill seat, the moving seat that grinds is fixed on the described base by bearing seat.
5. according to the described visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet of claim 4, it is characterized in that the material of described moving abrasive disc is an organic glass.
6. according to the described visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet of claim 1, it is characterized in that the bottom of described base is an oat tail groove structure; The quiet mill seat bottom of described still assembly and the bearing seat bottom of moving plate assembly are respectively the dovetail shaped structure that matches with the base bottom.
7. according to the described visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet of claim 1, it is characterized in that described current sensing means is a reometer; Described revolution speed control device is a frequency converter.
8. according to the described visualized experiment equipment that is used for researching dispersing action mechanism of grinding sheet of claim 1, it is characterized in that described mill mechanism is provided with transparent outer cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201945224U CN201488886U (en) | 2009-09-11 | 2009-09-11 | Visual experimental facility used for research on mechanism of dispersion effect of abrasive discs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201945224U CN201488886U (en) | 2009-09-11 | 2009-09-11 | Visual experimental facility used for research on mechanism of dispersion effect of abrasive discs |
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| Publication Number | Publication Date |
|---|---|
| CN201488886U true CN201488886U (en) | 2010-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201945224U Expired - Lifetime CN201488886U (en) | 2009-09-11 | 2009-09-11 | Visual experimental facility used for research on mechanism of dispersion effect of abrasive discs |
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| Country | Link |
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| CN (1) | CN201488886U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655417B (en) * | 2009-09-11 | 2011-03-02 | 华南理工大学 | Visual experimental equipment and visual experimental method for researching dispersing action mechanism of grinding sheet |
| CN103437235A (en) * | 2013-08-08 | 2013-12-11 | 华南理工大学 | Hydraulic visualized isobaric step diffuser headbox for experimental headbox |
-
2009
- 2009-09-11 CN CN2009201945224U patent/CN201488886U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655417B (en) * | 2009-09-11 | 2011-03-02 | 华南理工大学 | Visual experimental equipment and visual experimental method for researching dispersing action mechanism of grinding sheet |
| CN103437235A (en) * | 2013-08-08 | 2013-12-11 | 华南理工大学 | Hydraulic visualized isobaric step diffuser headbox for experimental headbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100526 Effective date of abandoning: 20090911 |