CN202941401U - Tobacco powder extracting solution filtering system - Google Patents

Abstract

The utility model discloses a tobacco powder extracting solution filtering system which comprises a first level cationic guar gum dilution device, a second cationic guar gum dilution device, and a stuff pump and a filtering device for extracting the tobacco powder extracting solution. A connecting pipeline is arranged between the first cationic guar gum dilution device and the second cationic guar gum dilution device. A tobacco extracting solution pipeline is arranged between the stuff pump and the filtering device for extracting the tobacco extracting solution. The second cationic guar gum dilution device and a tobacco extracting solution pipeline are communicated through a cationic guar gum solution conveying pipeline. The tobacco powder extracting solution filtering system can obviously improve filtering efficiency of the tobacco extracting solution, reduce device plugging times of the filtering device by 20-40 percents, improve production efficiency, lower working load of operating staff, and have great value of tobacco sheet industrial production.

Description

A kind of offal extracting liquid filtering system

Technical field

The utility model belongs to the production of cigarettes technical field, is specifically related in a kind of tobacco sheets by paper making method production process efficiently offal extracting liquid filtering system.

Background technology

Producing tobacco flake in method similar to papermaking operation process is as follows: after (1) carried out lixiviate respectively with the offal in the tobacco production process and offal the like waste, isolated by filtration obtained extract and filter residue; (2) with the extract concentration, prepare coating fluid after suitably adding the additives such as essence, spices; (3) method of filter residue by machinery pulping is prepared into offal slurry and offal slurry, and with slurry, the employing paper machine flakiness paper substrate of manufacturing paper with pulp; (4) method that coating fluid is coated with by top sizing is returned and is applied to sheet paper base, is prepared into tobacco sheets by paper making method.

In actual production process, after offal dipping extracts and completes, by filtering, offal slag and maceration extract are separated, filtered and require the extract can be through filter opening and filter residue is stayed in filter, the filter plants such as existing plate and frame filter, bag type filtering machine, filter efficiency is low; For offal, because offal is very thin, the efficient of not only filtering is very low, and offal very easily stops up the pore of filter plant, to often take apart and refilter after equipment cleans, bring a lot of inconvenience for normal production operation, a lot of thin slice manufacturing firm has constantly changed multiple filter plant, still can not satisfy the filtration requirement.The obstruction that causes due to tiny particle diameter and the decline of filter effect are difficult to effectively be solved from the improvement of filter plant.

How better offal slag and maceration extract being separated, improve filter efficiency, reduce and take the operation that equipment cleans apart, is the technical barrier that perplexs for a long time in actual production.Therefore, seeking a kind of method that improves offal extracting liquid filtering efficient in the tobacco sheets by paper making method production process and have important practical significance, is also the technical barrier that the art needs to be resolved hurrily.

The utility model content

The purpose of this utility model is to overcome effectively asking of separation of the insoluble offal extract of prior art

Topic provides a kind of efficient offal extracting liquid filtering system that is applied in the tobacco sheets by paper making method production process, effectively improves offal extracting liquid filtering efficient in the tobacco sheets by paper making method production process, reduces the generation of stopping state.

Above-mentioned purpose of the present utility model is achieved by following technical solution:

A kind of efficient offal extracting liquid filtering system is provided, comprises stock pump and filter that one-level cation guar gum air mix facilities, secondary cation guar gum air mix facilities, extracting offal extract are used; Between described one-level cation guar gum air mix facilities and secondary cation guar gum air mix facilities, connecting pipe is set, be provided with offal extract pipeline between the stock pump that described extracting offal extract is used and filter, pass through the road connection of cation guar gum solution conveyor tube between secondary cation guar gum air mix facilities and offal extract pipeline.

Be provided with filler, charge door, agitating device and heater in described one-level cation guar gum air mix facilities, be provided with filler and agitating device in secondary cation guar gum device.The firsts and seconds air mix facilities all also is provided with the import and export switch controlling device, with the pressure reduction condition, power delivery unit and flow monitoring device (flowmeter) can also be set as required, and set-up mode is conventional with reference to the art.

Preferably, the agitating device both sides of described one-level cation guar gum air mix facilities are set up charge door and filler separately.

The stock pump that the extracting of described offal slurry is used and filter are with reference to the existing conventional equipment of tobacco manufacturing enterprise.

The utility model adopts mode more reasonable, that facilitate production operation to dissolve, make an addition in the offal slurry in cation melon glue based on the new application of cation melon glue.Because cation melon glue dilution dissolution time is longer, if adopt the stirring at normal temperature dilution, viscosity is larger, consuming time longer, and if once be diluted to required concentration, need very large container, stir insufficient, therefore the utility model further provides preferred dilution and add-on system, and cation guar gum is diluted in two steps, and the diluting condition that the device of each step dilution can provide is different.Through the character of cation guar gum and offal is carried out analysis-by-synthesis, after long-term a large amount of experimental summary, the utility model adopts the two-stage dilution device, the reasonable disposition apparatus structure provides suitable process conditions, realize the required concentration that reaches of each step dilution in the dilution of two steps, to guarantee that the cation guar gum solution viscosity that is obtained is moderate, concentration is moderate, obtain the cation guar gum solution of homogeneous simplely, and can mix with the offal slurry swimmingly, finally guarantee better filter efficiency.

The dilution of described one-level is to be first that 30～500,000 cation guar gum slowly adds in the water of preparing in the one-level air mix facilities under stirring condition with molecular weight, and being diluted to mass percent is 1%～3%, fully stirs 5～30 minutes; Then heated solution to 30～40 ℃, insulated and stirred 40～90 minutes makes its solution that forms homogeneous, is delivered to the secondary air mix facilities after stirring at normal temperature and carries out the secondary dilution;

The dilution of described secondary is one-level to be diluted gained cation guar gum solution to be diluted with water into the cation guar gum mass percentage content be 0.1～0.3% cation guar gum solution again, in stir speed (S.S.) is fully to stir under the condition of 800 ~ 2000 rev/mins namely to get described cation guar gum solution in 30 ~ 60 minutes.

Between pulping system after the offal that described a kind of efficient offal extracting liquid filtering system can be connected in the tobacco sheets by paper making method production process neatly extracts and handsheet system.

The utility model arranges a pipeline after the stock pump of offal extracting equipment, before entering filter, be that the cation guar gum solution of 0.1～0.3 % is carried from the secondary air mix facilities by pipeline and is added into offal extract to be filtered with being diluted to mass percent concentration, addition is that cation melon glue over dry quality is 0.2 ~ 0.6 % with respect to over dry offal mass percent.Adopt the advantage of the direct mode of adding of pipeline to be directly to add by the pipeline that flows, directly absorption under charge effect, filter, reduced the time of stirring, reduced simultaneously the chance that little wadding aggressiveness is disperseed again under stirring state, than guar gum solution first being added to the mode better effects if that refilters after stirring in offal.Not only improve the efficient of filtering, and avoided well offal to stop up the phenomenon of filter plant pore, reduced number of times and frequency that the equipment of taking apart cleans.

Based on the utility model system, in the raising tobacco sheets by paper making method production process that can realize, the method for offal extracting liquid filtering efficient comprises the following steps:

(1) the lixiviate offal obtains the offal leaching liquor;

(2) water dissolving cation melon glue makes the cation guar gum solution that mass percent concentration is 0.1～0.3 %;

(3) be 0.2%～0.6% in the cation guar gum solution phase for the ratio of offal over dry quality, the cation guar gum solution that step (2) is made adds in the offal extract that step (1) prepares, and stirs, and carries out filter operation.

Preferably, the molecular weight of the described cation guar gum of step (2) is 30～500,000.

The described stirring of step (3) is to stir 0.5～5 minute with the speed of 100～600 rev/mins, then is transferred in filter and filters.

The beneficial effects of the utility model are:

Guar gum is a kind of natural macromolecule modification material that is widely used in tobacco industry, because guar gum can not exert an influence to the suction flavor of cigarette, can not produce the bad reactions such as assorted gas yet, there has been research to sum up guar gum and can be applicable in the production of cigarettes process, as the mechanical performance of enhancing and wet end retention and drainage aid agent raising paper products or paper substrate.But prior art concentrates on the preparation aspect of the tobacco paper products such as cigarette paper or reconstituted tobacoo paper substrate in the research tendency aspect the tobacco production technology and achievement about guar gum, uses also and basically uses based on the stage of manufacturing paper with pulp of cigarette paper or reconstituted tobacoo paper substrate.The inventor sums up through studying for a long period of time and arrives, offal slurry surface is with negative electrical charge, select cation melon glue that offal is adsorbed, it is poly-that cation guar gum makes the thinner offal of particulate produce wadding, thereby reduce offal to the obstruction of micropore, and then improve drainage efficient, and reduce clearance time and the cleaning difficulty of equipment.The utility model is off the beaten track, change the application technology set of existing guar gum, the solution that guar gum preparation is become homogeneous is with suitable adding proportion and adopt simple mode to be added directly in the offal extract, improve offal extract filter effect also, avoid the obstruction of existing apparatus for production line, can't bring negative effect to suction flavor and the mouthfeel of final cigarette.

The inventor studies summary, is used for improving the cation guar gum of offal extracting liquid filtering efficient, and molecular weight is too small, and is not obvious to the improvement of drainage efficient, and molecular weight is too large, and the cation melon glue of HMW is relatively rare, and price is more expensive.The utility model provides preferred cation guar gum molecular weight ranges.

the utility model is by creatively analyzing the character of offal extract, in conjunction with great many of experiments, explore feasible technical scheme, add the method for appropriate cation guar gum to improve the offal filter efficiency in the offal extract, the utility model system architecture is simple, operation is simple, effect is remarkable, improve offal drainage efficient 20～50%, reduce by 20%～40% equipment obstruction scavenging period, significantly improve production efficiency, reduce operator's workload, the offal extract that has solved long-term puzzlement the art filters a difficult problem, has great application value in the reconstituted tobacoo industrial production.

Description of drawings

Fig. 1 offal extracting liquid filtering system architecture schematic diagram 1

Fig. 2 offal extracting liquid filtering system architecture schematic diagram 2

The specific embodiment

Further describe the utility model below in conjunction with the drawings and specific embodiments.Unless stated otherwise, the related raw material of the utility model and the method raw material and the method that are the art routine.The data that relate in the utility model embodiment and Comparative Examples be except the same production line this utility system, other equipment identical, adopt and produce with a collection of raw material, the cycle of data acquisition is ten days, data have comparativity.

Embodiment 1

The present embodiment provides a kind of efficient offal extracting liquid filtering system, as shown in Figures 1 and 2, comprises stock pump 3 and filter 4 that one-level cation guar gum air mix facilities 1, secondary cation guar gum air mix facilities 2, extracting offal extract are used; Between described one-level cation guar gum air mix facilities 1 and secondary cation guar gum air mix facilities 2, connecting pipe 5 is set, be provided with offal extract pipeline 6 between the stock pump 3 that described extracting offal extract is used and filter 4, pass through road 7 connections of cation guar gum solution conveyor tube between secondary cation guar gum air mix facilities 2 and offal extract pipeline 6.

Be provided with filler 8, charge door 9, agitating device 10 and heater 11 in described one-level cation guar gum air mix facilities 1, be provided with filler 12 and agitating device 13 in secondary cation guar gum device 2.One-level air mix facilities 1 and secondary air mix facilities 2 all also are provided with gate out switch control device 14,15, and the stock pump 3 that extracting offal extract is used is provided with gate out switch control device 16.Can also power delivery unit and flow monitoring device (flowmeter) be set respectively at pipeline 5,6 and 7 with the pressure reduction condition as required, set-up mode is conventional with reference to the art.

Preferably, agitating device 10 both sides of described one-level cation guar gum air mix facilities 1 are set up charge door 9 and filler 8 separately.

In first order air mix facilities 1, be first that 500,000 cation guar gum slowly is added to the water under stirring condition with molecular weight, being diluted to mass percent is 1%, fully stirs 30 minutes, then heated solution to 40 ℃, stir standby after 90 minutes insulated and stirred time.

The cation guar gum solution that dissolving is good is delivered in secondary air mix facilities 2 by connecting pipe 5, is diluted with water to the 0.1%(mass percent), and fully stir, then be delivered to offal extract pipeline 6 by cation guar gum solution conveyor tube road 7; The offal extract is entered in offal extract pipeline 6 through stock pump 3 extractings that extracting offal extract is used by accompanying drawing 1 arrow direction, cation guar gum solution in pipeline 7 is added in pipeline 6 and mixes with offal extract in pipeline 6, control cation guar gum solution addition is that the 0.4%(of offal over dry mass ratio is relative), then send into filter 4 and filter by discharging opening 17 dischargings.

Compare with not adding cation melon glue control group, the utility model unit's filtration time shortens 40%, and filter efficiency significantly improves.Not adding cation melon glue control group equipment, to unpick and wash average time be 21 times/month, employing the utility model system adds cation melon glue in the offal extract, after filtration, the average time of unpicking and washing of filter plant is 14 times/month, tears machine wash number minimizing 33% open because screen pack stops up the equipment that causes.

Claims (4)

1. an offal extracting liquid filtering system, is characterized in that the stock pump and the filter that comprise that one-level cation guar gum air mix facilities, secondary cation guar gum air mix facilities, extracting offal extract are used; Between described one-level cation guar gum air mix facilities and secondary cation guar gum air mix facilities, connecting pipe is set, be provided with offal extract pipeline between the stock pump that described extracting offal extract is used and filter, pass through the road connection of cation guar gum solution conveyor tube between secondary cation guar gum air mix facilities and offal extract pipeline;

Be provided with filler, charge door, agitating device and heater in described one-level cation guar gum air mix facilities, be provided with filler and agitating device in secondary cation guar gum device.

2. offal extracting liquid filtering system according to claim 1, is characterized in that described one-level air mix facilities and secondary air mix facilities are equipped with the import and export switch controlling device.

3. offal extracting liquid filtering system according to claim 1 is characterized in that described connecting pipe, offal extract pipeline and cation guar gum solution conveyor tube road power delivery unit and/or flow monitoring device respectively.

4. offal extracting liquid filtering system according to claim 1 is characterized in that the agitating device both sides of described one-level cation guar gum air mix facilities are set up charge door and filler separately.

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