CN103783649B - Reconstituted tobacco is manufactured paper with pulp speed of a motor vehicle interlock CaCO3 automatic on-line adding method - Google Patents

Reconstituted tobacco is manufactured paper with pulp speed of a motor vehicle interlock CaCO3 automatic on-line adding method Download PDF

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CN103783649B
CN103783649B CN201310682273.4A CN201310682273A CN103783649B CN 103783649 B CN103783649 B CN 103783649B CN 201310682273 A CN201310682273 A CN 201310682273A CN 103783649 B CN103783649 B CN 103783649B
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caco
automatic
line
slurry
pulp
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CN103783649A (en
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郭维平
余红涛
关平
刘建平
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China Tobacco Yunnan Reconstituted Tobacco Co Ltd
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China Tobacco Yunnan Reconstituted Tobacco Co Ltd
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Abstract

Reconstituted tobacco manufacture paper with pulp the speed of a motor vehicle interlock automatic on-line add CaCO 3method, be on slurry transport lines, configure slurry automatic on-line flowmeter and densimeter, at CaCO 3in solution delivery line, series connection uses automatic on-line CaCO 3the stream of liquid inventory meter and band speed regulator send pump.When manufacturing paper with pulp speed of a motor vehicle variation, slurry automatic on-line flowmeter and densimeter follow speed of a motor vehicle Real-time Collection starching flow and slurry concentration data, calculate the CaCO by setting after slurry oven-dry weight 3the CaCO needed for the calculating of slurry oven-dry weight of adding proportion and calculating 3addition, then in conjunction with the CaCO of setting 3solution concentration value calculates the CaCO needed in real time 3liquid inventory, through real-time more online CaCO 3the CaCO that the collection of liquid inventory meter exports 3the solution stream amount of sending and the size of the solution stream amount of sending calculated in real time, send pump to send instruction by comparative result convection current, and control flow check send that pump slows down, speedup or speed stabilizing, automatically regulates stream to send pump delivery, realizes in real time and the speed of a motor vehicle of manufacturing paper with pulp links and automatically adjusts the CaCO entering slurry 3liquid inventory, realizes CaCO 3equivalent is added.

Description

Reconstituted tobacco is manufactured paper with pulp speed of a motor vehicle interlock CaCO3 automatic on-line adding method
Technical field
The invention belongs to papermaking-method reconstituted tobaccos technical field.
Background technology
Lightweight CaCO 3effectively improving the whiteness of papermaking-method reconstituted tobaccos burning soot and hold bad temper, is therefore requisite additive in reconstituted tobacco production.Facts have proved, the CaCO of stable prod 3addition to stabilized product quality, improve efficiency of manufacturing paper with pulp there is important effect.The mode that employing more aborning is at present added by amount of slurry batch off-line at stock tank, CaCO 3long with the time that slurry stores and stream send, not only can make CaCO 3at stock tank, rush generation deposition in stock tank, acidifying also easily occurs and decomposes, cause the calcification of biochemical sewage mud and strengthen sewage treatment load and sludge quantity, causing CaCO 3run off, utilization rate is low.And adopt with manufacture paper with pulp synchronous, add CaCO in the slurry 3the mode of solution, due to the reasons such as speed governing of manufacturing paper with pulp, can not adjust CaCO online in real time 3liquid inventory, causes CaCO 3addition fluctuates, and affects product quality.
Summary of the invention
The object of the invention is to solve the deficiency that prior art exists, provide a kind of and follow reconstituted tobacco speed of a motor vehicle interlock of manufacturing paper with pulp and regulate in real time the CaCO entering slurry 3the automatic on-line of liquid inventory adds CaCO 3method.
Object of the present invention is achieved through the following technical solutions.
Reconstituted tobacco manufacture paper with pulp the speed of a motor vehicle interlock automatic on-line add CaCO 3method, method is as follows:
1) slurry automatic on-line flowmeter and densimeter is configured at the slurry transport lines that slurry is transported to from stock tank head box of manufacturing paper with pulp, by CaCO 3solution is from CaCO 3solution storage tanks is transported to the CaCO of head box of manufacturing paper with pulp 3in solution delivery line, series connection uses automatic on-line CaCO 3the stream of liquid inventory meter and band speed regulator send pump, slurry automatic on-line flowmeter and densimeter, automatic on-line CaCO 3liquid inventory meter and stream send pump and CaCO 3automatic on-line adds control system electrical connection;
2) before production starts, by artificial at CaCO 3caCO is set in automatic on-line interpolation control system 3adding proportion I and CaCO 3solution concentration W c;
3) when starting to produce, CaCO 3automatic on-line adds control system and carries out Real-time Collection to slurry automatic on-line flowmeter and densimeter data, detects and obtains the starching flow L that manufactures paper with pulp jwith slurry concentration W j, will manufacture paper with pulp starching flow L jwith slurry concentration W jbe multiplied and obtain slurry oven-dry weight M j;
4) CaCO 3automatic on-line adds control system to slurry oven-dry weight M jwith setting CaCO 3adding proportion I is multiplied and draws real-time CaCO 3addition M cT;
5) CaCO 3automatic on-line adds control system to real-time CaCO 3addition M cTwith setting CaCO 3solution concentration W cbe multiplied the CaCO needed in real time 3liquid inventory L cT;
6) CaCO 3automatic on-line adds control system to real-time CaCO 3liquid inventory L cTwith automatic on-line CaCO 3the actual CaCO that liquid inventory meter collects 3liquid inventory L cScompare, obtain L respectively cT> L cSor L cT< L cSor L cT=L cSthree kinds of different comparative results;
7) according to L cT> L cSor L cT< L cSor L cT=L cSdifferent comparative results, CaCO 3automatic on-line adds control system and send pump to carry out speedup or reduction of speed or speed stabilizing regulation and control by speed regulator convection current, thus control flow check send pump CaCO 3the increase of liquid inventory or reduction or stable, make from CaCO 3solution storage tanks CaCO out 3the flow that solution enters head box of manufacturing paper with pulp links with the speed of a motor vehicle of manufacturing paper with pulp all the time, realizes CaCO 3solution even adds.
Speed regulator of the present invention is variable-frequency governor; Described stream send pump to be screw pump.
During papermaking-method reconstituted tobaccos is produced, starching flow and slurry concentration are two basic technological parameters of manufacturing paper with pulp.Can by online stream of slurry gauge, densimeter starching flow and slurry concentration be detected, gather and be transmitted, the slurry oven-dry weight used in the unit of account time thus.CaCO 3adding proportion is the CaCO of product slurry oven-dry weight and product requirement 3the ratio of addition, can pre-determine according to quality requirements such as product ash content, suction tastes before manufacture.Different product generally has different CaCO 3adding proportion.CaCO 3solution concentration and CaCO 3the percentage of distributed quantity in a solvent, can by manually allocating CaCO 3precalculate or allocate rear detection before solution to obtain.
The present invention is directed to CaCO in papermaking-method reconstituted tobaccos production process 3addition can not follow the speed of a motor vehicle change and changing, the difficulty that can not adjust in real time of manufacturing paper with pulp, and propose to manufacture paper with pulp starching flow and slurry concentration are basic parameter, follow speed of a motor vehicle interlock of manufacturing paper with pulp and regulate the CaCO entering slurry in real time 3the automatic on-line of liquid inventory adds CaCO 3method.The method can realize CaCO 3equivalent is added, and to maintenance constant product quality, improves CaCO 3utilization rate effect is remarkable.
Accompanying drawing explanation
Fig. 1 is the inventive method schematic flow sheet.
Detailed description of the invention
As shown in Figure 1, reconstituted tobacco manufacture paper with pulp the speed of a motor vehicle interlock automatic on-line add CaCO 3method as follows:
1) slurry automatic on-line flowmeter and densimeter is configured at the slurry transport lines that slurry is transported to from stock tank head box of manufacturing paper with pulp, by CaCO 3solution is from CaCO 3solution storage tanks is transported to the CaCO of head box of manufacturing paper with pulp 3in solution delivery line, series connection uses automatic on-line CaCO 3the stream of liquid inventory meter and band speed regulator send pump, slurry automatic on-line flowmeter and densimeter, automatic on-line CaCO 3liquid inventory meter and stream send pump and CaCO 3automatic on-line adds control system electrical connection;
2) before production starts, by artificial at CaCO 3caCO is set in automatic on-line interpolation control system 3adding proportion I and CaCO 3solution concentration W c;
3) when starting to produce, CaCO 3automatic on-line adds control system and carries out Real-time Collection to slurry automatic on-line flowmeter and densimeter data, detects and obtains the starching flow L that manufactures paper with pulp jwith slurry concentration W j, will manufacture paper with pulp starching flow L jwith slurry concentration W jbe multiplied and obtain slurry oven-dry weight M j;
4) CaCO 3automatic on-line adds control system to slurry oven-dry weight M jwith setting CaCO 3adding proportion I is multiplied and draws real-time CaCO 3addition M cT;
5) CaCO 3automatic on-line adds control system to real-time CaCO 3addition M cTwith setting CaCO 3solution concentration W cbe multiplied the CaCO needed in real time 3liquid inventory L cT;
6) CaCO 3automatic on-line adds control system to real-time CaCO 3liquid inventory L cTwith automatic on-line CaCO 3the actual CaCO that liquid inventory meter collects 3liquid inventory L cScompare, obtain L respectively cT> L cSor L cT< L cSor L cT=L cSthree kinds of different comparative results;
7) according to L cT> L cSor L cT< L cSor L cT=L cSdifferent comparative results, CaCO 3automatic on-line adds control system and send pump to carry out speedup or reduction of speed or speed stabilizing regulation and control by speed regulator convection current, thus control flow check send pump CaCO 3the increase of liquid inventory or reduction or stable, make from CaCO 3solution storage tanks CaCO out 3the flow that solution enters head box of manufacturing paper with pulp links with the speed of a motor vehicle of manufacturing paper with pulp all the time, realizes CaCO 3solution even adds.
Described CaCO 3automatic on-line add control system can with the DCS/QCS system in combination of existing machine of manufacturing paper with pulp.Speed regulator adopts variable-frequency governor, CaCO 3solution select pulse little, the centrifugal of the stream amount of sending can be changed in real time or axial-flow type stream send pump, as screw pump, uninterruptedly pump in slurry transport lines by the stream amount of sending calculated in real time, slurry and CaCO 3solution mixes in slurry transport lines equipment, finally enters head box online of manufacturing paper with pulp and manufactures paper with pulp, realize equivalent in the product and add CaCO 3.

Claims (2)

1. reconstituted tobacco manufacture paper with pulp the speed of a motor vehicle interlock automatic on-line add CaCO 3method, it is characterized in that, method is as follows:
1) slurry automatic on-line flowmeter and densimeter is configured at the slurry transport lines that slurry is transported to from stock tank head box of manufacturing paper with pulp, by CaCO 3solution is from CaCO 3solution storage tanks is transported to the CaCO of head box of manufacturing paper with pulp 3in solution delivery line, series connection uses automatic on-line CaCO 3the stream of liquid inventory meter and band speed regulator send pump, slurry automatic on-line flowmeter and densimeter, automatic on-line CaCO 3liquid inventory meter and stream send pump and CaCO 3automatic on-line adds control system electrical connection;
2) before production starts, by artificial at CaCO 3caCO is set in automatic on-line interpolation control system 3adding proportion I and CaCO 3solution concentration W c;
3) when starting to produce, CaCO 3automatic on-line adds control system and carries out Real-time Collection to slurry automatic on-line flowmeter and densimeter data, detects and obtains the starching flow L that manufactures paper with pulp jwith slurry concentration W j, will manufacture paper with pulp starching flow L jwith slurry concentration W jbe multiplied and obtain slurry oven-dry weight M j;
4) CaCO 3automatic on-line adds control system to slurry oven-dry weight M jwith setting CaCO 3adding proportion I is multiplied and draws real-time CaCO 3addition M cT;
5) CaCO 3automatic on-line adds control system to real-time CaCO 3addition M cTwith setting CaCO 3solution concentration W cbe multiplied the CaCO needed in real time 3liquid inventory L cT;
6) CaCO 3automatic on-line adds control system to real-time CaCO 3liquid inventory L cTwith automatic on-line CaCO 3the actual CaCO that liquid inventory meter collects 3liquid inventory L cScompare, obtain L respectively cT> L cSor L cT< L cSor L cT=L cSthree kinds of different comparative results;
7) according to L cT> L cSor L cT< L cSor L cT=L cSdifferent comparative results, CaCO 3automatic on-line adds control system and send pump to carry out speedup or reduction of speed or speed stabilizing regulation and control by speed regulator convection current, thus control flow check send pump CaCO 3the increase of liquid inventory or reduction or stable, make from CaCO 3solution storage tanks CaCO out 3the flow that solution enters head box of manufacturing paper with pulp links with the speed of a motor vehicle of manufacturing paper with pulp all the time, realizes CaCO 3solution even adds.
2. reconstituted tobacco according to claim 1 manufacture paper with pulp the speed of a motor vehicle interlock automatic on-line add CaCO 3method, it is characterized in that, described speed regulator is variable-frequency governor; Described stream send pump to be screw pump.
CN201310682273.4A 2013-12-13 2013-12-13 Reconstituted tobacco is manufactured paper with pulp speed of a motor vehicle interlock CaCO3 automatic on-line adding method Active CN103783649B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101683180A (en) * 2008-09-27 2010-03-31 湖北中烟工业有限责任公司 Method for improving sheet quality by increasing retention of filler calcium carbonate in sheet
US7836896B2 (en) * 2006-06-29 2010-11-23 Social Smoke, Inc. Tobacco-less smoking material
CN102599634A (en) * 2012-03-09 2012-07-25 云南烟草科学研究院 Method for producing papermaking process reconstituted tobacco leaves by dynamic sheet making in laboratory

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003288868A1 (en) * 2002-12-19 2004-07-14 Swedish Match North Europe Ab A non-chewable tobacco composition
US20050034738A1 (en) * 2003-08-11 2005-02-17 Whalen William F. Chewing tobacco substitute containing nicotine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7836896B2 (en) * 2006-06-29 2010-11-23 Social Smoke, Inc. Tobacco-less smoking material
CN101683180A (en) * 2008-09-27 2010-03-31 湖北中烟工业有限责任公司 Method for improving sheet quality by increasing retention of filler calcium carbonate in sheet
CN102599634A (en) * 2012-03-09 2012-07-25 云南烟草科学研究院 Method for producing papermaking process reconstituted tobacco leaves by dynamic sheet making in laboratory

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
碳酸钙不同加入方式对造纸法再造烟叶产品灰分的影响;李文昱;《造纸化学品》;20121031;第24卷(第5期);第22-23页 *

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Address after: 650106 No. 41, medical Road, hi tech Zone, Yunnan, Kunming

Applicant after: Yunnan Zhongyan Reconstituted Tobacco Co., Ltd.

Address before: 650106 No. 41, medical Road, hi tech Zone, Yunnan, Kunming

Applicant before: Yunnan Zhongyan Kunchuan Ruisheng Technology Co., Ltd.

COR Change of bibliographic data

Free format text: CORRECT: APPLICANT; FROM: YUNNAN ZHONGYAN KUNCHUAN RUISHENG TECHNOLOGY CO., LTD. TO: YUNNAN ZHONGYAN RECONSTITUTED TOBACCO CO., LTD.

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