CN212560261U - Apparatus for detecting proteinaceous material in a stock sample of a paper machine system - Google Patents
Apparatus for detecting proteinaceous material in a stock sample of a paper machine system Download PDFInfo
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- CN212560261U CN212560261U CN201921926728.1U CN201921926728U CN212560261U CN 212560261 U CN212560261 U CN 212560261U CN 201921926728 U CN201921926728 U CN 201921926728U CN 212560261 U CN212560261 U CN 212560261U
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- paper sheet
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- 239000000463 material Substances 0.000 title description 26
- 238000004043 dyeing Methods 0.000 claims abstract description 12
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 23
- FEMOMIGRRWSMCU-UHFFFAOYSA-N ninhydrin Chemical compound C1=CC=C2C(=O)C(O)(O)C(=O)C2=C1 FEMOMIGRRWSMCU-UHFFFAOYSA-N 0.000 claims description 19
- 239000000975 dye Substances 0.000 claims 1
- 102000004169 proteins and genes Human genes 0.000 abstract description 38
- 108090000623 proteins and genes Proteins 0.000 abstract description 38
- 239000000126 substance Substances 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 23
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 11
- 239000003899 bactericide agent Substances 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 11
- 238000011161 development Methods 0.000 description 15
- 239000007788 liquid Substances 0.000 description 12
- 241000894006 Bacteria Species 0.000 description 7
- 238000010186 staining Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a device for detecting protein substances in pulp samples of a paper machine system. The apparatus comprises: a sampling device for extracting a pulp sample from at least one section of a paper machine system; the sheet making device is used for making the pulp sample into a paper sheet; and a dyeing device for dyeing the paper sheet. The utility model discloses can play following beneficial technological effect: the source of the protein substance in the paper machine system can be rapidly and accurately judged, the use of the local bactericide is guided, and the total consumption of the bactericide is saved.
Description
Technical Field
The utility model relates to a device for detecting protein substances in pulp samples of a paper machine system.
Background
Paper machine systems often provide good conditions for bacterial growth. Once bacteria have grown to a certain extent in various parts of the paper machine system, they cause spots of protein-containing substances (mainly bacteria) on the paper produced in the paper machine system, which further causes losses due to paper quality problems.
In the prior art it is difficult to judge the origin of the protein matter in the paper machine system, i.e. to judge which part or parts of the paper machine system the bacteria are out of specification. Therefore, in the prior art, in order to avoid the spots of protein substances on the paper, the sterilization of all parts of the whole paper machine system is needed, the using amount of the total bactericide is large, the sterilization is not targeted, and the large amount of the bactericide causes the reduction of the paper quality.
Therefore, there is a need for an apparatus for detecting proteinaceous material in a stock sample in a paper machine system that can quickly and accurately determine the source of the proteinaceous material in the paper machine system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an equipment for detecting protein material in paper machine system thick liquid appearance, it can solve the problem that prior art exists, accurately judges the source of protein material in paper machine system rapidly.
The above object of the present invention is achieved by an apparatus for detecting proteinaceous material in a pulp sample of a paper machine system, said apparatus comprising:
a sampling device for extracting a pulp sample from at least one section of a paper machine system;
the sheet making device is used for making the pulp sample into a paper sheet; and
a dyeing device for dyeing the paper sheet.
According to the technical scheme, the utility model discloses an equipment for detecting protein material in paper machine system thick liquid appearance can play following beneficial technological effect: the source of protein substances (bacteria) in the paper machine system can be judged quickly and accurately, the use of local bactericides is guided, and the total consumption of the bactericides is saved.
Preferably, the apparatus further comprises a heating device for heating the dyed paper sheet.
According to the technical scheme, the utility model discloses an equipment for detecting protein material in paper machine system thick liquid appearance can play following beneficial technological effect: the dyed paper sheet can be dried better by heating the dyed paper sheet, so that the color development effect of the paper sheet is better, and the source of the protein substance in the paper machine system can be judged more quickly and accurately.
Preferably, the staining device uses ninhydrin as a staining agent.
According to the technical scheme, the utility model discloses an equipment for detecting protein material in paper machine system thick liquid appearance can play following beneficial technological effect: by adopting a proper coloring agent, the color development effect of the paper sheet can be better, so that the source of the protein substance in the paper machine system can be judged more quickly and accurately.
Preferably, the heating device is configured to heat the dyed paper sheet to 40-110 degrees celsius.
According to the technical scheme, the utility model discloses an equipment for detecting protein material in paper machine system thick liquid appearance can play following beneficial technological effect: by setting the proper heating temperature range, the dyed paper sheet can be dried better, so that the color development effect of the paper sheet is better, and the source of the protein substance in the paper machine system can be judged more quickly and accurately.
Preferably, the heating device is configured to heat the dyed paper sheet for 10 to 60 minutes.
According to the technical scheme, the utility model discloses an equipment for detecting protein material in paper machine system thick liquid appearance can play following beneficial technological effect: by setting the proper heating time range, the dyed paper sheet can be dried well, so that the color development effect of the paper sheet is better, and the source of the protein substance in the paper machine system can be judged more quickly and accurately.
Drawings
FIG. 1 is a schematic diagram showing the components of an apparatus for detecting proteinaceous material in a pulp sample of a paper machine system according to an embodiment of the present invention.
FIG. 2 is a schematic representation of a sheet of dyed paper substantially free of proteinaceous material.
FIG. 3 is a schematic representation of a dyed sheet containing a large amount of proteinaceous material.
List of reference numerals
100: device
101: sampling device
102: sheet making device
103: dyeing device
104: judging device
Detailed Description
In the following description of the embodiments of the present invention, it is noted that in the detailed description of the embodiments, all the features of the actual embodiments may not be described in detail in order to make the description concise and concise. It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions are made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another. Moreover, it should be further appreciated that such a development effort might be complex and tedious, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, and it should be understood that such a development effort might be complex and tedious.
Unless otherwise defined, technical or scientific terms used in the claims and the specification should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The terms "a" or "an," and the like, do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalent, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, nor are they restricted to direct or indirect connections.
FIG. 1 is a schematic diagram showing the components of an apparatus for detecting proteinaceous material in a pulp sample of a paper machine system according to an embodiment of the present invention. FIG. 2 is a schematic representation of a sheet of dyed paper substantially free of proteinaceous material. FIG. 3 is a schematic representation of a dyed sheet containing a large amount of proteinaceous material.
As shown in fig. 1, an apparatus 100 for detecting proteinaceous material in a pulp sample of a paper machine system according to an embodiment of the present invention comprises:
a sampling device 101, the sampling device 101 being adapted to extract a pulp sample from at least one section of the paper machine system;
the sheet making device 102 is used for making the pulp sample into a paper sheet; and
the dyeing apparatus 103, the dyeing apparatus 103 is used for dyeing the paper sheet.
According to the technical scheme, the utility model discloses an equipment for detecting protein material in paper machine system thick liquid appearance can play following beneficial technological effect: the source of protein substances (bacteria) in the paper machine system can be judged quickly and accurately, the use of local bactericides is guided, and the total consumption of the bactericides is saved.
Specifically, if the dyed paper sheet is substantially free of proteinaceous matter, the dyed paper sheet is substantially the same as a plain paper sheet, as shown in fig. 2, and does not exhibit significant color and mottle; if the dyed paper sheet contains a large amount of proteinaceous matter, the dyed paper sheet will exhibit significant color and mottle, as shown in fig. 3.
Therefore, through the utility model discloses an equipment for detecting protein material in paper machine system thick liquid appearance, after obtaining the paper copy after dyeing, technical staff naked eye can judge: the dyed paper sheet is either substantially free of proteinaceous matter or contains a substantial amount of proteinaceous matter. Since a plurality of paper sheets are made from pulp samples extracted from at least one location of the paper machine system, technicians can quickly and accurately determine from which location or locations in the paper machine system the proteinaceous material originates.
Therefore, technicians can purposefully add a reasonable amount of bactericide to the parts of the paper machine system where bacteria exceed standards, reduce the loss caused by hole breaking and paper breaking or bacterial plaque of the paper machine due to out-of-control bacteria, reduce the total consumption of the bactericide and ensure the good quality of paper. According to the experimental verification of the inventor, compared with the prior art, the utility model can save the total usage of the bactericide by 20-30%.
As will be understood by those skilled in the art, the term "sheet" means: a pulp sample with a certain concentration is made into paper by a paper making device (such as a laboratory paper machine) to simulate the production process of a paper machine.
Preferably, the location where the sampling device 101 extracts the pulp sample from the paper machine system may include at least one of: a head box, a decontamination machine, a pressure screen, a stock chest, a pulp mixing chest and a broke tower.
Preferably, the sampling device 101 extracts pulp samples from a plurality of different locations in the paper machine system.
Preferably, as mentioned above, with the apparatus for detecting protein substances in pulp sample of paper machine system according to an embodiment of the present invention, after obtaining the dyed paper sheet, the technician can judge with naked eyes: the dyed paper sheet is either substantially free of proteinaceous matter or contains a substantial amount of proteinaceous matter.
Of course, it can be understood by those skilled in the art based on the disclosure of the present invention that, as shown in fig. 1, the apparatus 100 for detecting protein substances in pulp samples of a paper machine system according to an embodiment of the present invention may further include a judging device 104, and the judging device 104 may be used to replace the judgment of the technicians with naked eyes (whether the dyed paper sheet contains substantially no protein substances or a large amount of protein substances) without departing from the scope of the present invention. For example, the determination device 104 may be a computer-aided determination device.
Preferably, the apparatus 100 further comprises a heating device for heating the dyed paper sheet.
According to the technical scheme, the utility model discloses an equipment for detecting protein material in paper machine system thick liquid appearance can play following beneficial technological effect: the dyed paper sheet can be dried better by heating the dyed paper sheet, so that the color development effect of the paper sheet is better, and the source of the protein substance in the paper machine system can be judged more quickly and accurately.
Preferably, the heating device may be an oven, for example.
Preferably, ninhydrin is used as the staining agent in the staining apparatus 103.
According to the technical scheme, the utility model discloses an equipment for detecting protein material in paper machine system thick liquid appearance can play following beneficial technological effect: by adopting a proper coloring agent, the color development effect of the paper sheet is good (ninhydrin can dye protein substances into purple red), so that the source of the protein substances in a paper machine system can be judged more quickly and accurately.
Preferably, the preparation method of the ninhydrin stain comprises the following steps: the ninhydrin solid powder is prepared into a ninhydrin solution with a concentration of 1% by using pure water, and the ninhydrin solution is used as a ninhydrin coloring agent. Preferably, when the paper sheet is dyed, the ninhydrin dye (ninhydrin solution) is applied to or sprayed onto the paper sheet.
Of course, it will be understood by those skilled in the art based on the present disclosure that the ninhydrin solution with a concentration of 1% is only one of the best values of the present invention, and other suitable (preferred) solution concentrations, such as 0.5%, 2%, 3%, 4%, 5%, etc., may be used without departing from the scope of the present invention. Preferably, the concentration of the ninhydrin solution is 0.5% to 5%.
The inventor finds through experiments that when the concentration of the ninhydrin solution is lower than 0.5%, the ninhydrin component is too little, the color development effect is poor, and the source of protein substances in a paper machine system cannot be judged quickly and accurately; when the concentration of the ninhydrin solution is higher than 5%, the ninhydrin component is too much, the coating or spraying is not uniform, the color development effect is poor, and the source of protein substances in a paper machine system cannot be judged quickly and accurately; when the concentration of the ninhydrin solution is 1%, the amount of the ninhydrin component is most appropriate, the color development effect is best, and the source of the protein substance in the paper machine system can be rapidly and accurately judged.
Preferably, the heating device is configured to heat the dyed paper sheet to 40-110 degrees celsius.
According to the technical scheme, the utility model discloses an equipment for detecting protein material in paper machine system thick liquid appearance can play following beneficial technological effect: by setting the proper heating temperature range, the dyed paper sheet can be dried better, so that the color development effect of the paper sheet is better, and the source of the protein substance in the paper machine system can be judged more quickly and accurately.
Preferably, the heating device is configured to heat the dyed paper sheet to 105 degrees celsius.
Preferably, the heating device is configured to heat the dyed paper sheet for 10 to 60 minutes.
According to the technical scheme, the utility model discloses an equipment for detecting protein material in paper machine system thick liquid appearance can play following beneficial technological effect: by setting the proper heating time range, the dyed paper sheet can be dried well, so that the color development effect of the paper sheet is better, and the source of the protein substance in the paper machine system can be judged more quickly and accurately.
Preferably, the heating device is configured to heat the dyed paper sheet for 15 minutes.
Of course, it will be understood by those skilled in the art based on the present disclosure that the apparatus for detecting protein substances in pulp samples of a paper machine system according to an embodiment of the present invention may not include a heating device, so as not to heat the dyed paper sheet without departing from the scope of the present invention. In the case where the heating device is not included, the dyed paper sheet may need to be left to stand for a long time, for example, 2 hours or more, to dry the dyed paper sheet, so that the color development effect of the paper sheet is good.
While particular embodiments of the present invention have been described above, it will be understood by those skilled in the art that the above embodiments do not constitute limitations on the present invention, and that various modifications may be made by those skilled in the art based on the above disclosure without departing from the scope of the present invention.
Claims (5)
1. An apparatus for detecting proteinaceous matter in a stock sample of a paper machine system, characterized in that the apparatus comprises:
a sampling device for extracting a pulp sample from at least one section of a paper machine system;
the sheet making device is used for making the pulp sample into a paper sheet; and
a dyeing device for dyeing the paper sheet.
2. The apparatus for detecting proteinaceous matter in a paper machine system pulp sample according to claim 1, further comprising a heating device for heating the dyed sheet.
3. The apparatus for detecting proteinaceous matter in a stock sample of a paper machine system according to claim 1, wherein said dyeing device uses ninhydrin as a dyeing agent.
4. The apparatus for detecting proteinaceous matter in a paper machine system pulp sample of claim 2, wherein said heating device is configured to heat the dyed sheet to 40-110 degrees celsius.
5. The apparatus for detecting proteinaceous matter in a paper machine system pulp sample of claim 2, wherein said heating device is configured to heat the dyed sheet for 10-60 minutes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921926728.1U CN212560261U (en) | 2019-11-08 | 2019-11-08 | Apparatus for detecting proteinaceous material in a stock sample of a paper machine system |
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| CN201921926728.1U CN212560261U (en) | 2019-11-08 | 2019-11-08 | Apparatus for detecting proteinaceous material in a stock sample of a paper machine system |
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| CN212560261U true CN212560261U (en) | 2021-02-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110643504A (en) * | 2019-11-08 | 2020-01-03 | 芬欧汇川(中国)有限公司 | Apparatus and method for detecting proteinaceous material in a stock sample of a paper machine system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110643504A (en) * | 2019-11-08 | 2020-01-03 | 芬欧汇川(中国)有限公司 | Apparatus and method for detecting proteinaceous material in a stock sample of a paper machine system |
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