CN103783649A - Automatic online CaCO3 adding method based on reconstitute tobacco papermaking machine speed linkage - Google Patents

Automatic online CaCO3 adding method based on reconstitute tobacco papermaking machine speed linkage Download PDF

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Publication number
CN103783649A
CN103783649A CN201310682273.4A CN201310682273A CN103783649A CN 103783649 A CN103783649 A CN 103783649A CN 201310682273 A CN201310682273 A CN 201310682273A CN 103783649 A CN103783649 A CN 103783649A
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caco
automatic
pulp
line
caco3
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CN201310682273.4A
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CN103783649B (en
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郭维平
余红涛
关平
刘建平
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Yunnan Zhongyan Kunchuan Ruisheng Technology Co Ltd
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Yunnan Zhongyan Kunchuan Ruisheng Technology Co Ltd
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Abstract

An automatic online CaCO3 adding method based on reconstitute tobacco papermaking machine speed linkage includes arranging automatic online pulp flowmeter and concentration meter on a pulp delivery pipeline and using an automatic online CaCO3 solution flowmeter and a flow pump with a flow regulator in series in the CaCO3 solution delivery pipeline. When the papermaking machine speed changes, the automatic online pulp flowmeter and concentration meter acquire pulp feeding flow and pulp concentration in real time along with change of the papermaking machine speed so as to calculate the pulp dried sludge, then the CaCO3 add amount needed is calculated according to the set CaCO3 add proportion and the calculated pulp dried sludge, further, the CaCO3 solution flow rate needed is calculated according to the set CaCO3 solution flow rate in real time, the CaCO3 solution flow needed and output by the online CaCO3 solution flowmeter on line in real time is compared with the solution flow rate calculated in real time, a command is sent to the flow pump according to the comparison result to control the flow pump to be subject to speed reducing, increasing or stabilizing and realize automatic regulation of output of the flow pump, so that flow rate of the CaCO3 mixed into pulp can be automatically regulated on the basis of the papermaking machine speed linkage in real time, and equivalent add of CaCO3 is realized.

Description

The reconstituted tobacco speed of a motor vehicle interlock automatic on-line of manufacturing paper with pulp adds CaCO 3method
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 cigarette ash 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 the efficiency of manufacturing paper with pulp and there is important effect.The mode that at present more employing is added by amount of slurry batch off-line at stock tank aborning, CaCO 3long with the time that slurry stores and stream send, not only can make CaCO 3produce deposition at stock tank, in rushing stock tank, acidifying also easily occurs and decompose, cause the calcification of sewage biochemical sludge and strengthen sewage disposal load and sludge quantity, cause CaCO 3run off, utilization rate is low.Synchronize, in slurry, add CaCO and adopt with manufacturing paper with pulp 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 the reconstituted tobacco speed of a motor vehicle interlock of manufacturing paper with pulp and regulate in real time the CaCO that enters slurry 3the automatic on-line of liquid inventory adds CaCO 3method.
Object of the present invention is achieved through the following technical solutions.
The reconstituted tobacco speed of a motor vehicle interlock automatic on-line of manufacturing paper with pulp adds CaCO 3method, method is as follows:
1) configure slurry automatic on-line flowmeter and densimeter in the fluid-conveying pipe road that slurry is transported to the head box of manufacturing paper with pulp from stock tank, by CaCO 3solution is from CaCO 3solution holding vessel is transported to the CaCO of the head box of manufacturing paper with pulp 3in solution conveyor tube road, series connection is used automatic on-line CaCO 3liquid inventory meter and send pump with the stream of speed regulator, 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 producing and starting, by manually at CaCO 3automatic on-line adds in control system sets CaCO 3adding proportion I and CaCO 3solution concentration W c;
3) while starting to produce, CaCO 3automatic on-line adds control system slurry automatic on-line flowmeter and densimeter data is carried out to Real-time Collection, detects the starching flow L that obtains manufacturing paper with pulp jwith slurry concentration W j, starching flow L will manufacture paper with pulp jwith slurry concentration W jmultiply each other 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 multiplies each other 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 cthe CaCO of real-time needs multiplies each other 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 respectively L 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 reduction of speed or speedup or speed stabilizing regulation and control by speed regulator convection current, send pump CaCO thereby control stream 3reducing or increasing or stablize of liquid inventory, makes from CaCO 3solution holding vessel CaCO out 3the flow that solution enters the 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 equivalent is added.
Speed regulator of the present invention is variable-frequency governor; It is screw pump that described stream send pump.
During papermaking-method reconstituted tobaccos is produced, starching flow and slurry concentration are two basic technology parameters of manufacturing paper with pulp.Can starching flow and slurry concentration be detected, be gathered and transmit by online slurry flow meter, densimeter, the slurry oven-dry weight using 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 production.Different product generally has different CaCO 3adding proportion.CaCO 3solution concentration is CaCO 3the percentage of distributed quantity in solvent, can be by manually allocating CaCO 3after calculating in advance before solution or allocating, detect and obtain.
The present invention is directed to CaCO in papermaking-method reconstituted tobaccos production process 3addition can not be followed the speed of a motor vehicle of manufacturing paper with pulp and be changed and change, and the difficulty that can not adjust in real time, has proposed take manufacture paper with pulp starching flow and slurry concentration as basic parameter, follows the speed of a motor vehicle interlock of manufacturing paper with pulp and regulates in real time the CaCO that enters slurry 3the automatic on-line of liquid inventory adds CaCO 3method.The method can realize CaCO 3equivalent is added, and to keeping constant product quality, improves CaCO 3utilization rate effect is remarkable.
Accompanying drawing explanation
Fig. 1 is the inventive method schematic flow sheet.
The specific embodiment
As shown in Figure 1, the reconstituted tobacco speed of a motor vehicle interlock automatic on-line of manufacturing paper with pulp adds CaCO 3method as follows:
1) configure slurry automatic on-line flowmeter and densimeter in the fluid-conveying pipe road that slurry is transported to the head box of manufacturing paper with pulp from stock tank, by CaCO 3solution is from CaCO 3solution holding vessel is transported to the CaCO of the head box of manufacturing paper with pulp 3in solution conveyor tube road, series connection is used automatic on-line CaCO 3liquid inventory meter and send pump with the stream of speed regulator, 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 producing and starting, by manually at CaCO 3automatic on-line adds in control system sets CaCO 3adding proportion I and CaCO 3solution concentration W c;
3) while starting to produce, CaCO 3automatic on-line adds control system slurry automatic on-line flowmeter and densimeter data is carried out to Real-time Collection, detects the starching flow L that obtains manufacturing paper with pulp jwith slurry concentration W j, starching flow L will manufacture paper with pulp jwith slurry concentration W jmultiply each other 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 multiplies each other 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 cthe CaCO of real-time needs multiplies each other 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 respectively L 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 reduction of speed or speedup or speed stabilizing regulation and control by speed regulator convection current, send pump CaCO thereby control stream 3reducing or increasing or stablize of liquid inventory, makes from CaCO 3solution holding vessel CaCO out 3the flow that solution enters the 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 equivalent is added.
Described CaCO 3automatic on-line add control system can with the DCS/QCS system in combination of the existing machine of manufacturing paper with pulp.Speed regulator adopts variable-frequency governor, CaCO 3solution select pulse little, can change in real time the centrifugal of the stream amount of sending or axial-flow type stream send pump, as screw pump, uninterruptedly pump in fluid-conveying pipe road slurry and CaCO by the stream amount of sending of real-time calculating 3solution mixes in fluid-conveying pipe road equipment, finally enters the head box online of manufacturing paper with pulp and manufactures paper with pulp, and realizes at product moderate and adds CaCO 3.

Claims (2)

1. the reconstituted tobacco speed of a motor vehicle interlock automatic on-line of manufacturing paper with pulp adds CaCO 3method, it is characterized in that, method is as follows:
1) configure slurry automatic on-line flowmeter and densimeter in the fluid-conveying pipe road that slurry is transported to the head box of manufacturing paper with pulp from stock tank, by CaCO 3solution is from CaCO 3solution holding vessel is transported to the CaCO of the head box of manufacturing paper with pulp 3in solution conveyor tube road, series connection is used automatic on-line CaCO 3liquid inventory meter and send pump with the stream of speed regulator, 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 producing and starting, by manually at CaCO 3automatic on-line adds in control system sets CaCO 3adding proportion I and CaCO 3solution concentration W c;
3) while starting to produce, CaCO 3automatic on-line adds control system slurry automatic on-line flowmeter and densimeter data is carried out to Real-time Collection, detects the starching flow L that obtains manufacturing paper with pulp jwith slurry concentration W j, starching flow L will manufacture paper with pulp jwith slurry concentration W jmultiply each other 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 multiplies each other 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 cthe CaCO of real-time needs multiplies each other 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 respectively L 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 reduction of speed or speedup or speed stabilizing regulation and control by speed regulator convection current, send pump CaCO thereby control stream 3reducing or increasing or stablize of liquid inventory, makes from CaCO 3solution holding vessel CaCO out 3the flow that solution enters the 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 equivalent is added.
2. the reconstituted tobacco according to claim 1 speed of a motor vehicle interlock automatic on-line of manufacturing paper with pulp adds CaCO 3method, it is characterized in that, described speed regulator is variable-frequency governor; It is screw pump that described stream send 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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004056219A1 (en) * 2002-12-19 2004-07-08 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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004056219A1 (en) * 2002-12-19 2004-07-08 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
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
李文昱: "碳酸钙不同加入方式对造纸法再造烟叶产品灰分的影响", 《造纸化学品》 *

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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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