CN210017834U - Tobacco humidifying and moisture regaining device - Google Patents
Tobacco humidifying and moisture regaining device Download PDFInfo
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- CN210017834U CN210017834U CN201920689998.9U CN201920689998U CN210017834U CN 210017834 U CN210017834 U CN 210017834U CN 201920689998 U CN201920689998 U CN 201920689998U CN 210017834 U CN210017834 U CN 210017834U
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Abstract
The utility model relates to a tobacco humidification moisture regain device, it includes: the tobacco conveying mechanism is used for conveying tobacco; the water spraying mechanism comprises at least two water spraying components which are arranged at intervals along the tobacco conveying direction and is used for spraying water and humidifying the tobacco; the water spray assembly includes: a nozzle for spraying water to the tobacco; the output end of the water spraying pipeline is connected with the nozzle; the output end of the water supply pipeline is connected with the input end of the water spraying pipeline; the input end of the water return pipeline is connected to the joint of the output end of the water supply pipeline and the input end of the water spray pipeline; the output end of the water return pipeline is communicated with the input end of the water supply pipeline; and the control valve is configured to control the water supply pipeline to be communicated with the water spraying pipeline under the condition that the nozzle is required to spray water, and control the water supply pipeline to be communicated with the water return pipeline under the condition that the nozzle is not required to spray water, so that the situation that residual water in the pipeline continues to flow to the conveying mechanism in a period of time when water adding is just stopped is avoided. The utility model discloses be favorable to improving timeliness and the accuracy to tobacco water spray humidification.
Description
Technical Field
The utility model relates to a tobacco field especially relates to a tobacco humidification moisture regain device.
Background
Some fragile materials (such as expanded cut tobacco, the moisture content of which needs to be improved from about 7% to about 13.5% after sublimation drying) which need high moisture content, one-time water adding often cannot meet the requirement of the required moisture content or causes the condition of material quality reduction and the like, the uniformity of the required moisture content and the moisture content of the materials needs to be ensured by a step-by-step water adding mode, and the crushing amount in the processing process is reduced.
In the related technology, compressed air is used as injection pressure to spray water and atomize the nozzle, so that the problems of surrounding environment pollution and material adhesion to equipment due to the fact that materials and atomized water fly everywhere are easily generated; and after the material is detected, the control valve is opened, water is supplied to the nozzle, the hysteresis of water spraying and humidification is realized, and the fluctuation of the water content of the processed material is large.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an one of them purpose provides a tobacco humidification damping device for there is the hysteresis quality in alleviating the water spray humidification, the undulant great problem of material processing moisture content.
Some embodiments of the utility model provide a tobacco humidification moisture regain device, it includes:
the tobacco conveying mechanism is used for conveying tobacco; and
the water spraying mechanism comprises at least two water spraying components which are arranged at intervals along the tobacco conveying direction and used for spraying water and humidifying the tobacco; the water spray assembly includes:
a nozzle for spraying water to the tobacco;
the output end of the water spraying pipeline is connected with the nozzle;
the output end of the water supply pipeline is connected with the input end of the water spraying pipeline;
the input end of the water return pipeline is connected to the joint of the output end of the water supply pipeline and the input end of the water spray pipeline; the output end of the water return pipeline is communicated with the input end of the water supply pipeline; and
a control valve configured to control the water supply line to communicate with the water spray line in a case where the nozzle is required to spray water, and to control the water supply line to communicate with the water return line in a case where the nozzle is not required to spray water, such that the water supply line and the water return line define a circulation flow route of water.
In some embodiments, the control valve includes a three-way valve provided at a junction of the water spray line, the water supply line, and the water return line.
In some embodiments, the water injection assembly includes a pump disposed in the water supply line.
In some embodiments, the water spray assembly includes a regulating valve disposed in the water supply line for regulating the flow of water within the water supply line.
In some embodiments, the water spray assembly includes a flow rate collection element disposed in the water supply line for collecting a flow rate of water within the water supply line.
In some embodiments, the water spray assembly includes at least one of a shut-off valve, a filter, or a pressure gauge disposed in the water supply line.
In some embodiments, the at least two water spraying assemblies arranged at intervals along the tobacco conveying direction comprise a first water spraying assembly positioned at the most upstream, and the first water spraying assembly is correspondingly arranged in the first water spraying and humidifying area; the tobacco conveying mechanism comprises a material detection element, and the material detection element is arranged at the upstream of the first water spraying and humidifying area and used for detecting whether tobacco materials are conveyed or not.
In some embodiments, the at least two water spraying assemblies arranged at intervals along the tobacco conveying direction include a first water spraying assembly located at the most upstream and a tail end water spraying assembly located at the most downstream, the first water spraying assembly is correspondingly arranged in the first water spraying and humidifying area, the tail end water spraying assembly is correspondingly arranged in the tail end water spraying and humidifying area, and the tobacco conveying mechanism includes a moisture content detecting element which is arranged at the upstream of the first water spraying and humidifying area and the downstream of the tail end water spraying and humidifying area and is used for detecting the moisture content of the tobacco before entering the first water spraying and humidifying area and the moisture content of the tobacco after being added with water in the tail end water spraying and humidifying area respectively.
In some embodiments, the at least two water spray assemblies include a first water spray assembly, a middle water spray assembly, and a tip water spray assembly sequentially spaced apart along the tobacco conveying direction.
In some embodiments, the opening degree of the regulating valve of the first water spray assembly is a preset value; the opening degree of the regulating valve of the middle water spraying assembly is determined according to the preset tobacco conveying flow and the tobacco moisture content detected by the moisture content detecting element arranged at the upstream of the first water spraying assembly; the opening degree of the regulating valve in the tail end water spraying assembly is determined according to the moisture content of the tobacco after the tobacco is sprayed and humidified by the tail end water spraying assembly.
In some embodiments, the tobacco humidifying and moisture regaining device comprises a water supply mechanism which comprises a water tank, wherein the input end of the water supply pipeline is connected with the water tank, and the output end of the water return pipeline is connected with the water tank.
In some embodiments, the water supply mechanism includes a liquid level detection element for detecting a liquid level within the tank.
In some embodiments, the water supply mechanism includes a water filling line connected to the water tank and configured to fill water into the water tank when the liquid level detection element detects that the water level in the water tank is lower than a set value; and stopping filling water into the water tank when the liquid level detection element detects that the water level in the water tank is higher than a set value.
In some embodiments, the tobacco humidifying and moisture regaining device comprises at least one of a heating mechanism or a heat preservation mechanism, and the heating mechanism or the heat preservation mechanism is arranged on the water tank.
In some embodiments, the water supply mechanism comprises an overflow pipe connected to the water tank and configured to overflow water in case the water level inside the water tank exceeds a set value.
Based on the technical scheme, the utility model discloses following beneficial effect has at least:
in some embodiments, water spray mechanism includes at least two water spray assembly that set up along tobacco direction of delivery interval, and each water spray assembly is used for spraying water humidification to the tobacco in proper order to realize the water spray humidification of dividing of tobacco, can alleviate the problem that disposable watering can't reach required moisture content, and can avoid once watering intensity great, produce the influence to the material quality, make material quality decline scheduling problem.
The water spraying components limit the circulating flow route of water through the water supply pipeline and the water return pipeline, when the equipment is started, the pump of each water spraying component is started, so that the water source of each water spraying component flows along the circulating route limited by the water supply pipeline and the water return pipeline, and water is pre-filled in the pipelines and devices of the water spraying components; when the tobacco materials are conveyed and the nozzle is required to spray water to the tobacco for humidification, the control valve enables the water supply pipeline to be communicated with the water spraying pipeline, so that water in the circulating route can be directly led to the water spraying pipeline, the reaction is rapid, the timeliness and the accuracy of water spraying and humidification to the tobacco are improved, the timeliness is strong, and the problem of hysteresis of water spraying and humidification is solved; meanwhile, the air in the pipeline and the device is discharged by pre-filling water, the condition that the water is discharged intermittently by the nozzle due to the influence of air columns and/or air bubbles in the pipeline within a period of time when the water is just started to be added is avoided, and the fluctuation of the water content of the material processing is reduced.
When the tobacco material is not conveyed and the nozzle is required to stop spraying water, the control valve enables the water supply pipeline to be immediately communicated with the water return pipeline, water in the water spraying and humidifying pipeline is quickly led to the water return pipeline, the nozzle immediately stops spraying water, the phenomenon that water in the nozzle is continuously sprayed to the conveying mechanism and/or water is stopped from being added to the conveying mechanism for a period of time under the condition that no material passes through the conveying mechanism is avoided, water drops remained in the pipeline are prevented from dropping on the conveying mechanism, and the tobacco material is prevented from being adhered to the conveying mechanism and/or wet mass smoke is prevented from being generated when the production is restarted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic view of the tobacco humidifying and conditioning device provided by the present invention.
Reference numerals in the drawings indicate:
1-a tobacco conveying mechanism; 11-a conveyor belt; 12-a material detection element;
2-a water spraying mechanism; 21-a first water spray assembly; 22-a middle water spray assembly; 23-a terminal water spray assembly; 201-a nozzle; 202-water spraying pipeline; 203-water supply line; 204-a water return pipeline; 205-a control valve; 206-a pump; 207-regulating valve; 208-a flow collection element; 209-stop valve; 210-a filter; 211-pressure gauge;
3-a water supply mechanism; 31-a water tank; 32-a liquid level detection element; 33-a water injection line; 34-overflow pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the invention.
Fig. 1 is a schematic view of a tobacco humidifying and moisture regaining device according to some embodiments.
In some embodiments, the tobacco humidifying and moisture regaining device comprises a tobacco conveying mechanism 1 and a water spraying mechanism 2.
The tobacco conveying mechanism 1 is used for conveying tobacco, and in the tobacco conveying process, the water spraying mechanism 2 is used for spraying water to the tobacco to humidify and remoisten. Optionally, the tobacco conveying mechanism 1 comprises a conveyor belt.
The water spraying mechanism 2 comprises at least two water spraying components which are arranged at intervals along the tobacco conveying direction. Each water spraying component is used for spraying water and humidifying the tobacco in sequence so as to realize the fractional water spraying and humidifying of the tobacco.
In some embodiments, each water spray assembly corresponds to a water spray humidification region. For example: the three water spraying components are correspondingly provided with a first water spraying and humidifying area, a second water spraying and humidifying area and a third water spraying and humidifying area. The tobacco carries out the humidification and the moisture regain through first water spray humidification district earlier, then carries out the humidification and the moisture regain through second water spray humidification district, and rethread third water spray humidification district carries out humidification and the moisture regain etc..
Through the mode of carrying out the humidification regain to the tobacco many times in subregion, can alleviate the problem that disposable watering can't reach required moisture content, and can avoid once watering intensity great, produce the influence to the material quality, make material quality decline scheduling problem.
In some embodiments, the water spray assembly includes a nozzle 201, a water spray line 202, a water supply line 203, a water return line 204, and a control valve 205.
The nozzle 201 is disposed near the tobacco material conveying line of the tobacco conveying mechanism 1, and is used for spraying water to the tobacco.
The output end of the water spraying pipeline 202 is connected with the nozzle 201 and is used for providing water source for the nozzle 201. Optionally, at least two nozzles 201 are provided on the water spray line 202.
The input end of the water spray pipeline 202 is connected with the output end of the water supply pipeline 203. The input end of the water return line 204 is connected to the connection between the input end of the water spray line 202 and the output end of the water supply line 203. The output end of the return line 204 is connected to the input end of the water supply line 203.
The water supply line 203 provides water to either the water spray line 202 or the water return line 204. The water from the supply line 203 to the return line 204 may continue to circulate to the supply line 203.
The control valve 205 is configured to control the water supply line 203 to communicate with the water spray line 202 in the event that the nozzle 201 is required to spray water to humidify the tobacco.
The control valve 205 is configured to control the water supply line 203 to communicate with the water return line 204 such that the water supply line 203 and the water return line 204 define a circulating flow path of water without requiring the nozzle 201 to spray water to the tobacco for humidification.
When the apparatus is started, the pumps of the respective water injection assemblies are activated to cause the water supply of the respective water injection assemblies to flow along the circulation path defined by the water supply line 203 and the water return line 204, so that the water prefills and fills the pipes and devices of the water injection assemblies.
When the tobacco materials are conveyed and the nozzle 201 is required to spray water to the tobacco for humidification, the control valve 205 enables the water supply pipeline 203 to be communicated with the water spraying pipeline 202, so that water in the circulating route can be directly led to the water spraying pipeline 202, the reaction is rapid, the timeliness and the accuracy of water spraying and humidification to the tobacco are improved, the timeliness is strong, and the problem of hysteresis of water spraying and humidification is solved; meanwhile, the air in the pipeline and the device is discharged by pre-filling water, the condition that the water is discharged intermittently by the nozzle due to the influence of air columns and/or air bubbles in the pipeline within a period of time when the water is just started to be added is avoided, and the fluctuation of the water content of the material processing is reduced.
When the fact that the tobacco materials are conveyed is not detected and the nozzle 201 needs to stop spraying water, the control valve 205 enables the water supply pipeline 203 to be immediately communicated with the water return pipeline 204, water in the water spraying and humidifying pipeline is rapidly led to the water return pipeline 204, the nozzle 201 stops spraying water immediately, the situation that the water in the nozzle 201 continues to be sprayed to the conveying mechanism 1 under the condition that no materials pass through the tobacco conveying mechanism 1 and/or water drops remained in the pipeline during a period of time when water is stopped from being added to the conveying mechanism 1 are avoided, and the tobacco materials are prevented from being adhered to the conveying mechanism 1 and/or wet mass smoke is prevented from being generated when production is restarted.
In some embodiments, the control valve 205 comprises a three-way valve disposed at the junction of the water spray line 202, the water supply line 203, and the water return line 204. Namely: the water spray line 202, the water supply line 203, and the water return line 204 are connected by a three-way valve.
The water source provided by the water supply line 203 is divided into two paths at the three-way valve, one path leads to the water spray line 202 and sprays the tobacco material through the nozzle 201, and the other path leads to the water return line 204 and flows back to the water tank 31 through the water return line 204.
The three-way valves corresponding to the water spraying components are independently controlled, and water flow direction can be automatically switched according to the material incoming condition.
In some embodiments, the water injection assembly includes a pump 206, and the pump 206 is disposed in the water supply line 203.
Each water spray assembly is powered by a pump to provide water to a corresponding nozzle 201. The pump 206 of each water spraying component is independently controlled in a variable frequency mode, and the frequency of the pump 206 is adjusted according to the water adding pressure condition displayed by a pressure gauge 211 behind the pump when equipment is debugged. When the pressure is lower than the required pressure, adjusting the frequency of the booster pump; when the pressure is higher than desired, the adjustment reduces the frequency of the pump.
The frequency through the regulating pump 206 is adjusted and is added water pressure and atomization effect, makes and adds water pressure control more accurate, avoids adopting compressed air to draw the easy material that produces of atomizing and the condition that the atomized water flies upward everywhere, avoids adopting compressed air to draw the degree of difficulty that the two medium pressure that bring adjusted the matching, makes and adds water pressure control more accurate.
In some embodiments, the water spray assembly includes a regulator valve 207. The regulating valve 207 is provided in the water supply line 203, and the regulating valve 207 is configured to be adjustable in valve position opening for regulating the flow rate of water in the water supply line 203.
In some embodiments, the water spray assembly includes a flow capture element 208. The flow rate collecting element 208 is provided in the water supply line 203 for collecting the flow rate of water in the water supply line 203.
In some embodiments, the tobacco humidifying and conditioning device further comprises a controller. The controller is electrically connected with the regulating valve 207, the flow collecting element 208 and the like.
The flow rate collecting element 208 collects the flow rate of water in the water supply line 203 at a proper time, and feeds back the collected signal to the controller to control the valve position opening of the regulating valve 207. When the water flow is lower than the set flow, the valve position opening degree of the regulating valve 207 is increased; when the water flow is higher than the set flow, the valve position opening of the regulating valve 207 is reduced.
In some embodiments, the water spray assembly includes a shut-off valve 209 disposed in the water supply line 203.
In some embodiments, the water spray assembly includes a filter 210 disposed in the water supply line 203. The filter of each water spraying assembly is respectively and correspondingly used for filtering and cleaning the water flowing in the water spraying assembly, so that sundries are prevented from entering, blocking the nozzle 201 of the water spraying assembly and/or polluting materials.
In some embodiments, the water spray assembly includes a pressure gauge 211 disposed in the water supply line 203.
In some embodiments, the tobacco conveying mechanism 1 includes a material detecting element 12 disposed upstream of the nozzle 201 of the first water spray assembly 21 for detecting whether tobacco material is conveyed.
Optionally, the material detection element 12 comprises a sensor.
In some embodiments, the at least two water spraying assemblies spaced apart along the tobacco conveying direction include a first water spraying assembly located at the most upstream and a terminal water spraying assembly located at the most downstream, the first water spraying assembly is correspondingly disposed in the first water spraying and humidifying region, and the terminal water spraying assembly is correspondingly disposed in the terminal water spraying and humidifying region.
The tobacco conveying mechanism 1 comprises a moisture content detection element which is arranged at the upstream of the first water spraying and humidifying area and the downstream of the tail end water spraying and humidifying area and is respectively used for detecting the moisture content of the tobacco before entering the first water spraying and humidifying area and the moisture content of the tobacco after being added with water in the tail end water spraying and humidifying area.
Optionally, the moisture content detecting element comprises a moisture meter.
In some embodiments, the at least two water spray assemblies include a first water spray assembly 21, a middle water spray assembly 22, and a tip water spray assembly 23 sequentially spaced apart in the tobacco conveying direction.
The middle water spray assembly 22 is not limited to one, and thus, at least two water spray assemblies are not limited to three water spray assemblies, but may include four water spray assemblies, or more than five water spray assemblies, etc.
The first water spraying component 21 is used for spraying water and humidifying the tobacco materials entering the first water spraying and humidifying area, the middle water spraying component 22 is used for spraying water and humidifying the tobacco materials entering the middle water spraying and humidifying area, and the tail end water spraying component 23 is used for spraying water and humidifying the tobacco materials entering the tail end water spraying and humidifying area.
Each water spray component adds water step by step and step by step control, can make material moisture content more even, the filling value is higher to it glues the wall and makes the bits of broken glass to reduce the material.
In some embodiments, the opening of the regulating valve 207 of the first water spray assembly 21 is a preset value.
Alternatively, the opening degree of the adjusting valve 207 of the first water spraying assembly 21 is determined according to the ratio of the water spraying flow rate of the first water spraying assembly 21 to the material flow rate being 1.2 ± 0.3%, and the water spraying flow rate of the first water spraying assembly 21 is quantitative.
Based on this, set up the water spray flow of first water spray component 21 according to the material flow who sets for during production, the water spray flow of first water spray component 21 is the fixed value, and is invariable in process of production for tentatively improve the resistant processing nature of material, reduce the material and make garrulous through subsequent tobacco conveying mechanism.
In some embodiments, the degree of opening of the damper 207 of the intermediate water spray assembly 22 is determined based on a preset tobacco delivery flow rate and the moisture content of the tobacco detected by the moisture content detection element 12 prior to the first water spray humidification section.
Optionally, the ratio of the water spraying flow rate of the middle water spraying assembly 22 to the material flow rate is set to 1% to 4%.
The water spraying flow rate of the middle water spraying assembly 22 is a variable, and the water spraying flow rate is controlled in a feed-forward mode according to the moisture content of the incoming material collected by the moisture content detection element 12 in front of the first water spraying humidification area, so that the opening degree of the adjusting valve 207 of the middle water spraying assembly 22 is adjusted timely.
Based on this, the middle water spraying component 22 is used for matching the large fluctuation of the moisture content of the supplied materials, the water spraying flow rate is controlled in a feed-forward mode according to the moisture content of the supplied materials collected by the moisture content detecting element before the first water spraying humidification area, the opening degree of the regulating valve 207 of the middle water spraying component 22 is adjusted in time, the flow rate collected by the flow rate collecting element 208 of the middle water spraying component 22 meets the flow rate calculated by the control system in time, and therefore the moisture content of the supplied materials before the supplied materials enter the third water spraying humidification area is controlled within a certain set range.
For example: when the water content of the incoming material is 6.5%, the ratio of the water spraying flow to the material flow can be set to be 3.5%; when the water content of the incoming material is 7.0%, the ratio of the water spraying flow to the material flow can be set to be 3.0%; when the water content of the incoming material is 7.5%, the ratio of the water spraying flow to the material flow can be set to be 2.5%; when the water content of the incoming material is 8.0%, the ratio of the water spraying flow to the material flow can be set to be 2.0%; when the water content of the incoming material is 8.5%, the ratio of the water spraying flow to the material flow can be set to be 1.5%; when the water content of the incoming material is 9.0%, the ratio of the water spraying flow to the material flow can be set to be 1.0%.
In some embodiments, the degree of opening of the damper 207 in the tip water spray assembly 23 is determined based on the moisture content of the tobacco humidified by the water spray from the tip water spray assembly 23 (e.g., the third water spray assembly).
The water spraying flow rate of the terminal water spraying assembly 23 is variable, and the opening degree of the adjusting valve 207 of the terminal water spraying assembly 23 is adjusted at a proper time according to the water content feedback control water spraying flow rate of the material collected by the water content detecting element after water is added in the terminal (e.g., third) water spraying humidification area.
When the moisture content value of the tobacco material collected by the moisture content detection element is lower than the lower limit set by the process after water is added in the tail end (for example, the third) water spraying and humidifying area, the opening degree of the adjusting valve 207 of the tail end water spraying assembly 23 is increased; when the moisture content value collected by the moisture content detecting element is higher than the upper limit set by the process after water is added in the terminal (e.g., third) water spray humidification area, the opening degree of the adjusting valve of the terminal water spray assembly 23 is reduced.
Based on this, the opening degree of the adjusting valve 207 of the tail end water spraying assembly 23 is timely adjusted according to the water content data collected by the water content detecting element after water is added in the tail end (for example, the third) water spraying and humidifying area, so that the material humidified by the tobacco humidifying and humidifying device provided by the present disclosure meets the water content range set by the process.
In some embodiments, the quantitative addition of water to the material through the first water spray humidification region is beneficial to reduce fragmentation of the material during subsequent processing.
The problem of large fluctuation of the water content of the incoming material is solved through the feedforward control of the middle water spraying and humidifying area.
The water spraying flow is fed back and controlled through the tail end water spraying humidification area, the water content of finished cut tobacco is timely detected and the water spraying flow is fed back and controlled, and the accuracy of controlling the water content of the material is further improved.
Simultaneously, distinguish step by step through first water spray humidification district, middle water spray humidification district and terminal water spray humidification and add water, meticulous control, avoid adopting compressed air to draw the easy material that produces of atomizing and the condition that the atomizing water flies upward everywhere, reduce the degree of difficulty of two medium pressure control and matching control, make the pressure control of adding water more accurate, be favorable to improving the homogeneity and the accuracy of material moisture content to improve the substep absorption effect of material to moisture.
In some embodiments, the tobacco humidifying and conditioning device comprises a water supply mechanism 3. The water supply mechanism 3 comprises a water tank 31, the input end of the water supply pipeline 203 is connected with the water tank 31, and the output end of the water return pipeline 204 is connected with the water tank 31.
In some embodiments, the water supply mechanism 3 includes a liquid level detection element 32 for detecting the liquid level in the water tank 31.
In some embodiments, the water supply mechanism 3 includes a fill line 33 connected to the water tank 31. The water filling line 33 is configured to fill the water tank 31 with water when the liquid level detection element 32 detects that the liquid level in the water tank 31 is lower than a set value.
Optionally, the water filling line 33 is provided with an on-off valve. The open/close valve is opened when the water supply line 33 is required to supply water into the water tank 31, and is closed when the water supply line 33 is not required to supply water into the water tank 31.
According to the liquid level condition in the water tank 31 detected by the liquid level detection element 32, the opening or closing of the switch valve is controlled, so that the liquid level in the water tank 31 is kept within a set range, and the liquid level in the water tank 31 is prevented from being too low or too high.
Optionally, the water supply mechanism 3 further comprises an audible and visual alarm, and when the liquid level in the water tank 31 is too low to reach below the warning liquid level, the audible and visual alarm gives out audible and visual alarm to prompt manual treatment and prevent unqualified products from being produced; when the liquid level in the tank 31 is too high, the water in the tank 31 can be discharged through the overflow pipe 34.
In some embodiments, the water supply mechanism 3 comprises an overflow pipe 34 connected to the water tank 31, the overflow pipe 34 being configured to overflow water in case the water level inside the water tank 31 exceeds a set value.
In some embodiments, the tobacco humidifying and conditioning device comprises a heating mechanism. The heating mechanism is provided in the water tank 31 and heats water in the water tank 31.
The heating mechanism is configured to be turned on or off depending on the temperature required for the process. When the water temperature in the water tank 31 is lower than a set range value, the automatic start is carried out; when the water temperature in the water tank 31 is higher than the set range, the water tank is automatically closed, so that the water temperature in the water tank 31 is controlled within the set temperature range.
Based on this, tobacco humidification dampening device can heat the temperature to required temperature according to the technology demand, and suitable temperature can improve the material to the absorption effect of moisture and avoid the material atrophy to reduce the filling value.
In some embodiments, the tobacco humidifying and moisture regaining device includes a heat preservation mechanism, the moisture preservation mechanism is disposed in the water tank 31 and used for preserving heat of water in the water tank 31 to maintain the water temperature within a set hot water temperature range, and the hot water is used for spraying water to the material to regain moisture, so that material atrophy is reduced, and the moisture absorption efficiency of the material is improved.
The tobacco humidifying and dampening device provided by the disclosure is suitable for adding water to dampen fragile materials in a high-humidification-amount process.
In some embodiments, the material comprises expanded tobacco.
The inventor finds that compared with the prior art of adding water to the material, the method humidifies the material under the independent control of the multiple water spraying assemblies for adding water step by step, the uniformity of the water content of the obtained expanded cut tobacco is good, the material breakage rate is low, and the material can be prevented from being adhered to a tobacco conveying mechanism.
In the description of the present invention, it should be understood that the terms "first", "second", "third", etc. are used to define the components, and are only used for the convenience of distinguishing the components, and if not stated otherwise, the terms have no special meaning, and thus, should not be construed as limiting the scope of the present invention.
Furthermore, the technical features of one embodiment may be combined with one or more other embodiments advantageously without explicit negatives.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (15)
1. A tobacco humidifying and dampening device is characterized by comprising:
the tobacco conveying mechanism (1) is used for conveying tobacco; and
the water spraying mechanism (2) comprises at least two water spraying components which are arranged at intervals along the tobacco conveying direction and used for spraying water and humidifying the tobacco; the water spray assembly includes:
a nozzle (201) for spraying water to the tobacco;
the output end of the water spraying pipeline (202) is connected with the nozzle (201);
the output end of the water supply pipeline (203) is connected with the input end of the water spray pipeline (202);
the input end of the water return pipeline (204) is connected to the connection position of the output end of the water supply pipeline (203) and the input end of the water spray pipeline (202); the output end of the water return pipeline (204) is communicated with the input end of the water supply pipeline (203); and
a control valve (205) configured to control the water supply line (203) to communicate with the water spray line (202) in case that the nozzle (201) is required to spray water, and to control the water supply line (203) to communicate with the water return line (204) in case that the nozzle (201) is not required to spray water, such that the water supply line (203) and the water return line (204) define a circulation flow route of water.
2. The tobacco humidifying and conditioning device according to claim 1, wherein the control valve (205) comprises a three-way valve, and is disposed at a junction of the water spraying line (202), the water supply line (203) and the water return line (204).
3. Tobacco humidifying and conditioning device according to claim 1, characterized in that the water spraying assembly comprises a pump (206) arranged in the water supply line (203).
4. Tobacco humidifying and conditioning device according to claim 1, characterized in that the water spray assembly comprises a regulating valve (207) arranged in the water supply line (203) for regulating the water flow rate in the water supply line (203).
5. Tobacco humidifying and conditioning device according to claim 1, characterized in that the water spraying assembly comprises a flow rate collecting element (208) arranged in the water supply line (203) for collecting the flow rate of water in the water supply line (203).
6. The tobacco humidifying and conditioning device according to claim 1, wherein the water spray assembly comprises at least one of a shut-off valve (209), a filter (210) or a pressure gauge (211) provided in the water supply line (203).
7. The tobacco humidifying and conditioning device according to claim 1, wherein the at least two water spraying assemblies spaced apart in the tobacco conveying direction comprise a first water spraying assembly located at the most upstream, and the first water spraying assembly is correspondingly disposed in the first water spraying and humidifying region; tobacco conveying mechanism (1) includes material detecting element (12), material detecting element (12) are located the upper reaches in first water spray humidification district for whether detect there is the tobacco material to carry.
8. The tobacco humidifying and conditioning device according to claim 1, wherein the at least two water spraying assemblies arranged at intervals along the tobacco conveying direction comprise a first water spraying assembly positioned at the most upstream and a tail end water spraying assembly positioned at the most downstream, the first water spraying assembly is correspondingly arranged in the first water spraying and humidifying area, the tail end water spraying assembly is correspondingly arranged in the tail end water spraying and humidifying area, the tobacco conveying mechanism (1) comprises a moisture content detecting element, and the moisture content detecting element is arranged at the upstream of the first water spraying and humidifying area and the downstream of the tail end water spraying and humidifying area and is respectively used for detecting the moisture content of the tobacco before entering the first water spraying and humidifying area and the moisture content of the tobacco after being added with water in the tail end water spraying and humidifying area.
9. Tobacco humidifying and conditioning device according to claim 1, characterized in that the at least two water spraying assemblies comprise a first water spraying assembly (21), a middle water spraying assembly (22) and a tail end water spraying assembly (23) which are arranged at intervals in sequence along the tobacco conveying direction.
10. The tobacco humidifying and conditioning device according to claim 9, wherein the opening degree of the regulating valve (207) of the first water spray assembly (21) is a preset value; the opening degree of the regulating valve (207) of the middle water spraying assembly (22) is determined according to the preset tobacco conveying flow and the tobacco moisture content detected by a moisture content detecting element arranged at the upstream of the first water spraying assembly (21); the opening degree of the regulating valve (207) in the tail end water spraying assembly (23) is determined according to the moisture content of the tobacco after being sprayed and humidified by the tail end water spraying assembly (23).
11. Tobacco humidifying and conditioning device according to claim 1, characterized by comprising a water supply mechanism (3) comprising a water tank (31), wherein the input end of the water supply line (203) is connected with the water tank (31), and the output end of the water return line (204) is connected with the water tank (31).
12. Tobacco humidifying and conditioning device according to claim 11, characterized in that the water supply means (3) comprises a liquid level detection element (32) for detecting the liquid level in the water tank (31).
13. The tobacco humidifying and conditioning device according to claim 12, wherein the water supply mechanism (3) comprises a water injection line (33) connected to the water tank (31) and configured to inject water into the water tank (31) when the liquid level detecting element (32) detects that the water level in the water tank (31) is lower than a set value; and stopping filling water into the water tank (31) when the liquid level detection element (32) detects that the water level in the water tank (31) is higher than a set value.
14. The tobacco humidifying and conditioning device according to claim 11, comprising at least one of a heating mechanism or a heat-insulating mechanism, which is provided in the water tank (31).
15. Tobacco humidifying and conditioning device according to claim 11, characterized in that the water supply mechanism (3) comprises an overflow pipe (34) connected to the water tank (31) and configured to overflow water in case the water level in the water tank (31) exceeds a set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689998.9U CN210017834U (en) | 2019-05-15 | 2019-05-15 | Tobacco humidifying and moisture regaining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689998.9U CN210017834U (en) | 2019-05-15 | 2019-05-15 | Tobacco humidifying and moisture regaining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210017834U true CN210017834U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920689998.9U Expired - Fee Related CN210017834U (en) | 2019-05-15 | 2019-05-15 | Tobacco humidifying and moisture regaining device |
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| Country | Link |
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| CN (1) | CN210017834U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112205664A (en) * | 2020-10-26 | 2021-01-12 | 湖北中烟工业有限责任公司 | Moisture regain control system with moisture control function |
| CN113491342A (en) * | 2021-07-26 | 2021-10-12 | 河南中烟工业有限责任公司 | Vacuum drum moisture regain feeding device for tobacco |
-
2019
- 2019-05-15 CN CN201920689998.9U patent/CN210017834U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112205664A (en) * | 2020-10-26 | 2021-01-12 | 湖北中烟工业有限责任公司 | Moisture regain control system with moisture control function |
| CN113491342A (en) * | 2021-07-26 | 2021-10-12 | 河南中烟工业有限责任公司 | Vacuum drum moisture regain feeding device for tobacco |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20200207 |