CN114052282A - Dryer heat exchange device for cigar pretreatment and working method thereof - Google Patents
Dryer heat exchange device for cigar pretreatment and working method thereof Download PDFInfo
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- CN114052282A CN114052282A CN202111390269.1A CN202111390269A CN114052282A CN 114052282 A CN114052282 A CN 114052282A CN 202111390269 A CN202111390269 A CN 202111390269A CN 114052282 A CN114052282 A CN 114052282A
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- 235000019506 cigar Nutrition 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000012528 membrane Substances 0.000 claims abstract description 62
- 239000005871 repellent Substances 0.000 claims abstract description 42
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 230000002209 hydrophobic effect Effects 0.000 claims description 14
- 230000033228 biological regulation Effects 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 238000011017 operating method Methods 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/10—Roasting or cooling tobacco
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B9/00—Control of the moisture content of tobacco products, e.g. cigars, cigarettes, pipe tobacco
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a dryer heat exchange device for cigar pretreatment and a working method thereof, the dryer heat exchange device comprises a stop valve, a first filter, a steam-water separator, a first pressure gauge, a pressure reducing valve, a second pressure gauge, a pneumatic membrane valve, a first manual valve, a first water-repellent component, a second manual valve, a third manual valve, a fourth manual valve, a third pressure gauge and a pipeline, one end of the stop valve is used for being connected with a steam source through the pipeline, the other end of the stop valve is communicated with one end of the first filter through the pipeline, the other end of the first filter is communicated with a first interface of the steam-water separator through the pipeline, the input steam is input into a heat exchanger after being treated in a steam heat exchange mode, the temperature is adjusted by adjusting the amount of the steam entering the heat exchanger, the problem of current cigar preliminary treatment drying-machine heat transfer mode temperature rise slowly and the temperature is unadjustable is solved.
Description
Technical Field
The invention relates to the technical field of tobacco shredding, in particular to a dryer heat exchange device for cigar pretreatment and a working method thereof.
Background
The heat exchange mode of the cigar pretreatment dryer is originally condensate water heat exchange, condensate water recovered from the water tank is conveyed to the heat exchanger of the dryer through the water pump to realize heat exchange, and the mode has the problems of slow temperature rise of the unit and nonadjustable temperature.
Disclosure of Invention
The embodiment of the invention provides a dryer heat exchange device for cigar pretreatment and a working method thereof.
In view of the above problems, the technical solution proposed by the present invention is:
a dryer heat exchange device for cigar pretreatment is used for being connected with a heat exchanger of a dryer, a controller is arranged on the dryer, a temperature sensor is arranged on the heat exchanger, and the dryer heat exchange device comprises: the device comprises a stop valve, a first filter, a steam-water separator, a first pressure gauge, a pressure reducing valve, a second pressure gauge, a pneumatic membrane valve, a first manual valve, a first water drainage component, a second manual valve, a third manual valve, a fourth manual valve, a third pressure gauge and a pipeline;
one end of the stop valve is used for being connected with a steam source through the pipeline, the other end of the stop valve is communicated with one end of the first filter through the pipeline, the other end of the first filter is communicated with a first interface of the steam-water separator through the pipeline, the first pressure gauge is communicated with a third interface of the steam-water separator through the pipeline, one end of the pressure reducing valve is communicated with a second interface of the steam-water separator through the pipeline, the other end of the pressure reducing valve is communicated with one end of the pneumatic membrane valve through the pipeline, the other end of the pneumatic membrane valve is communicated with one end of the heat exchanger through the pipeline, two ends of the first manual valve are respectively communicated with two ends of the pneumatic membrane valve through the pipeline, and the second pressure gauge is communicated between the pressure reducing valve and the pneumatic membrane valve through the pipeline, the third pressure gauge is communicated between the pneumatic membrane valve and the heat exchanger through the pipeline, one end of the first water-repellent component is communicated with the other end of the heat exchanger, one end of the third manual valve and one end of the second manual valve through the pipeline, the other end of the first water-repellent component is communicated with the other end of the second manual valve, one end of the second water-repellent component and one end of the fourth manual valve through the pipeline, and the other end of the second water-repellent component is communicated with a fourth interface of the steam-water separator.
In order to better realize the technical scheme of the invention, the following technical measures are also adopted.
Furthermore, the signal input end of the pneumatic membrane valve is in communication connection with the signal output end of the controller, and the signal input end of the controller is in communication connection with the signal output end of the temperature sensor.
Further, steam pressure of a steam source connected to one end of the stop valve is 8bar, and steam pressure of the pressure reducing valve after pressure reduction is 3 bar.
Furthermore, the first water-repellent component comprises a second filter, a water-repellent valve, an observation mirror and a one-way valve, the second filter, the water-repellent valve, the observation mirror and the one-way valve are sequentially connected in series through the pipeline, one end of the second filter, which is far away from the water-repellent device, is respectively communicated with the other end of the heat exchanger, one end of the third manual valve and one end of the second manual valve through the pipeline, and one end of the one-way valve, which is far away from the observation mirror, is respectively communicated with the other end of the second manual valve, one end of the second water-repellent component and one end of the fourth manual valve through the pipeline.
Furthermore, the structure of the second hydrophobic component is completely consistent with that of the first hydrophobic component, one end, away from the drain valve, of the second filter of the second hydrophobic component is communicated with the fourth interface of the steam-water separator through the pipeline, and one end, away from the viewing mirror, of the one-way valve of the second hydrophobic component is respectively communicated with the other end of the second manual valve, one end, away from the viewing mirror, of the one-way valve of the first hydrophobic component and one end of the fourth manual valve through the pipeline.
Further, the temperature adjusting range is 25-85 ℃.
A working method of a dryer heat exchange device for cigar pretreatment comprises the following steps:
s1, inputting steam, opening a stop valve, enabling the steam to enter a filter through the stop valve for filtering, and enabling the steam to enter the steam-water separator through a first connector of the steam-water separator after impurities in the steam are eliminated;
s2, performing steam-water separation, wherein the steam-water separator performs steam-water separation on input steam, a first pressure gauge detects steam pressure inside the steam-water separator, water separated inside the steam-water separator enters a second water-repellent component through a fourth interface, the separated water enters a pipeline through the second water-repellent component, when a fourth manual valve is opened and a second manual valve or a third manual valve is closed, the separated water enters a recovery pipeline through the fourth manual valve for recovery, when the fourth manual valve is closed and the third manual valve and the second manual valve are opened, the separated water is directly discharged through a direct discharge pipeline through the third manual valve and the second manual valve, and the separated steam inside the steam-water separator enters a pressure reducing valve through the second interface;
s3, performing heat exchange, wherein the pressure reducing valve reduces the pressure of the input steam and inputs the steam into the pneumatic membrane valve and the first manual valve respectively and then enters the heat exchanger;
wherein the step S3 includes:
s31, closing the first manual valve, inputting the decompressed steam into the pneumatic membrane valve and the first manual valve through pipelines respectively, when the first manual valve is closed, enabling the steam to enter the heat exchanger through the pneumatic membrane valve, detecting the temperature of the heat exchanger through a temperature sensor at the moment, feeding the temperature of the heat exchanger back to the controller to control the opening of the pneumatic membrane valve, and adjusting the steam amount entering the heat exchanger to adjust the temperature of the heat exchanger;
s31, closing the pneumatic membrane valve, inputting the steam after pressure reduction into the pneumatic membrane valve and the first manual valve through a pipeline respectively, when the pneumatic membrane valve is closed, enabling the steam to enter the heat exchanger through the first manual valve, controlling temperature regulation through manually regulating the opening degree of the first manual valve, and regulating the steam amount entering the heat exchanger to regulate the temperature of the heat exchanger;
and S4, processing condensed water, wherein the condensed water generated by heat exchange of the heat exchanger enters the first water-draining component and the third manual valve through pipelines respectively, when the third manual valve and the second manual valve are closed and the fourth manual valve is opened, the condensed water entering the first water-draining component enters the recycling pipeline through the fourth manual valve to be recycled, and when the fourth manual valve is closed and the third manual valve and the second manual valve are opened, the condensed water is discharged through the third manual valve and the second manual valve in the direct-draining pipeline.
Compared with the prior art, the invention has the beneficial effects that: the mode that adopts steam to carry out the heat exchange, the temperature rises fast, inputs the heat exchanger after handling the steam of input, realizes the regulation to the temperature through the volume of adjusting steam admission heat exchanger, has solved the problem that present cigar preliminary treatment drying-machine heat transfer mode temperature rises slowly and the temperature is unadjustable.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Fig. 1 is a schematic structural diagram of a dryer heat exchange device for cigar pretreatment according to an embodiment of the present invention;
fig. 2 is a communication block diagram of a dryer heat exchanging device for cigar pretreatment according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of a working method of a dryer heat exchange device for cigar pretreatment according to an embodiment of the present invention.
Reference numerals: 1. a stop valve; 2. a first filter; 3. a steam-water separator; 31. a first interface; 32. a second interface; 33. a third interface; 34. a fourth interface; 4. a first pressure gauge; 5. a pressure reducing valve; 6. a second pressure gauge; 7. a pneumatic diaphragm valve; 8. a first manual valve; 9. a first hydrophobic component; 91. a second filter; 92. a drain valve; 93. a viewing mirror; 94. a one-way valve; 10. a second hydrophobic component; 11. a second manual valve; 12. a third manual valve; 13. a fourth manual valve; 14. a heat exchanger; 15. a pipeline; 16. a third pressure gauge; 17. a controller; 18. a temperature sensor.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to the attached drawings 1-2, the dryer heat exchange device for cigar pretreatment has a temperature adjusting range of 25-85 ℃ and is used for being connected with a heat exchanger 14 of a dryer, a controller 17 is arranged on the dryer, a temperature sensor 18 is arranged on the heat exchanger 14 and comprises a stop valve 1, a first filter 2, a steam-water separator 3, a first pressure gauge 4, a pressure reducing valve 5, a second pressure gauge 6, a pneumatic membrane valve 7, a first manual valve 8, a first hydrophobic component 9, a second hydrophobic component 10, a second manual valve 11, a third manual valve 12, a fourth manual valve 13, a third pressure gauge 16 and a pipeline 15, one end of the stop valve 1 is used for being connected with a steam source through the pipeline 15, the steam pressure of the steam source connected with one end of the stop valve 1 is 8bar, the other end of the stop valve 1 is communicated with one end of the first filter 2 through the pipeline 15, the other end of the first filter 2 is communicated with a first connector 31 of the steam-water separator 3 through a pipeline 15, the first pressure gauge 4 is communicated with a third connector 33 of the steam-water separator 3 through a pipeline, one end of the pressure reducing valve 5 is communicated with a second connector 32 of the steam-water separator 3 through a pipeline 15, the other end of the pressure reducing valve 5 is communicated with one end of the pneumatic membrane valve 7 through a pipeline 15, the steam pressure after the pressure reducing valve 5 reduces the pressure is 3bar, the other end of the pneumatic membrane valve 7 is communicated with one end of the heat exchanger 14 through a pipeline 15, two ends of the first manual valve 8 are respectively communicated with two ends of the pneumatic membrane valve 7 through a pipeline 15, the second pressure gauge 6 is communicated between the pressure reducing valve 5 and the pneumatic membrane valve 7 through a pipeline 15, the third pressure gauge 16 is communicated between the pneumatic membrane valve 7 and the heat exchanger 14 through a pipeline 15, one end of the first water drainage component 9 is respectively communicated with the other end of the heat exchanger 14 through a pipeline 15, One end of a third manual valve 12 is communicated with one end of a second manual valve 11, the other end of a first water-repellent component 9 is respectively communicated with the other end of the second manual valve 11, one end of a second water-repellent component 10 and one end of a fourth manual valve 13 through a pipeline 15, the other end of the second water-repellent component 10 is communicated with a fourth interface 34 of a steam-water separator 3, after the stop valve 1 is opened, steam is sequentially input into a first filter 2 and the steam-water separator 3 through the stop valve 1, the first filter 2 and the steam-water separator 3 remove impurities and separate moisture from the input steam, then the steam with the pressure of 8bar is reduced to 3bar through a reducing valve 5, the reduced steam is input into a pneumatic membrane valve 7 and a first manual valve 8, when the first manual valve 8 is closed, the steam after the pressure reduction is respectively input into the pneumatic membrane valve 7 and the first manual valve 8 through the pipeline 15, when the first manual valve 8 is closed, steam enters the heat exchanger 14 through the pneumatic membrane valve 7, the temperature regulation detects the temperature of the heat exchanger through the temperature sensor 18 and feeds the temperature back to the controller 17 to control the opening of the pneumatic membrane valve 7, the temperature of the heat exchanger is regulated through regulating the steam quantity entering the heat exchanger, when the pneumatic membrane valve 7 is closed, the steam after pressure reduction is respectively input into the pneumatic membrane valve 7 and the first manual valve 8 through the pipeline 15, when the pneumatic membrane valve 7 is closed, the steam enters the heat exchanger 14 through the first manual valve 8, at the moment, the temperature regulation is controlled through manually regulating the opening of the first manual valve 8, the temperature of the heat exchanger is regulated through regulating the steam quantity entering the heat exchanger 14, the temperature regulation is realized through regulating the steam quantity entering the heat exchanger 14, meanwhile, the temperature of the steam is higher than the temperature of condensed water, when the heat exchanger 14 carries out heat exchange, the effect of rapid temperature rise can be realized, the problem of current cigar preliminary treatment drying-machine heat transfer mode temperature rise slowly and the temperature is unadjustable is solved.
The embodiment of the invention is also realized by the following technical scheme.
Referring to fig. 1-2, in the embodiment of the present invention, the signal input terminal of the pneumatic membrane valve 7 is communicatively connected to the signal output terminal of the controller 17, the signal input terminal of the controller 17 is communicatively connected to the signal output terminal of the temperature sensor 18, the temperature sensor 18 detects the temperature of the heat exchanger 14 in real time, when the temperature of the heat exchanger 14 is lower than a preset value, the controller 17 controls the opening of the pneumatic membrane valve 7 to increase, the steam flow input to the heat exchanger 14 to increase, the temperature to increase, when the temperature of the heat exchanger 14 is higher than the preset value, the controller 17 controls the opening of the pneumatic membrane valve 7 to decrease, the steam flow input to the heat exchanger 14 to decrease, the temperature to decrease, when the temperature of the heat exchanger 14 is equal to the preset value, the controller 17 does not change the opening of the pneumatic membrane valve 7, the steam flow input to the heat exchanger 14 does not change, and the temperature remains unchanged, the problem of current cigar preliminary treatment drying-machine heat transfer mode temperature unadjustable is solved.
Referring to fig. 1, in the embodiment of the present invention, the first water-repellent component 9 includes a second filter 91, a water-repellent valve 92, a viewing mirror 93 and a one-way valve 94, the second filter 91, the water-repellent valve 92, the viewing mirror 93 and the one-way valve 94 are sequentially connected in series through a pipeline 15, one end of the second filter 91, which is far away from the water-repellent device, is respectively communicated with the other end of the heat exchanger 14, one end of the third manual valve 12 and one end of the second manual valve 11 through the pipeline 15, one end of the one-way valve 94, which is far away from the viewing mirror 93, is respectively communicated with the other end of the second manual valve 11, one end of the second water-repellent component 10 and one end of the fourth manual valve 13 through the pipeline 15, the structure of the second water-repellent component 10 is completely consistent with that of the first water-repellent component 9, one end of the second filter 91, which is far away from the water-repellent valve 92, is communicated with the fourth port 34 of the steam-water separator 3 through the pipeline 15, one end of the check valve 94 of the second water-repellent module 10, which is far from the viewing mirror 93, is communicated with the other end of the second manual valve 11, one end of the check valve 94 of the first water-repellent module 9, which is far from the viewing mirror 93, and one end of the fourth manual valve 13 through a pipe 15, the separated water enters the pipe 15 through the second water-repellent module 10, and when the fourth manual valve 13 is opened and the second manual valve 11 or the third manual valve 12 is closed, the separated water enters the recovery line through the fourth manual valve 13 to be recovered, and when the fourth manual valve 13 is closed and the third manual valve 12 and the second manual valve 11 are opened, the separated water is discharged through the third manual valve 12 and the second manual valve 11 in a direct discharge line, and condensed water generated by heat exchange in the heat exchanger 14 enters the first water-repellent module 9 and the third manual valve 12 through the pipe 15, and when the third manual valve 12 and the second manual valve 11 are closed, when the fourth manual valve 13 is opened, the condensed water introduced into the first drain assembly 9 is introduced into the recovery line through the fourth manual valve 13 and is recovered, and when the fourth manual valve 13 is closed and the third manual valve 12 and the second manual valve 11 are opened, the condensed water is discharged through the third manual valve 12 and the second manual valve 11 into the direct discharge line.
Referring to fig. 1 to 3, the present invention also provides a method for operating a heat exchanger of a dryer for cigar pretreatment, comprising the steps of:
s1, inputting steam, opening the stop valve 1, enabling the steam to enter a filter through the stop valve 1 for filtering, and enabling the steam to enter the interior of the steam-water separator 3 through the first connector 31 of the steam-water separator 3 after impurities in the steam are eliminated;
s2, performing steam-water separation, wherein the steam-water separator 3 performs steam-water separation on input steam, the first pressure gauge 4 detects the steam pressure inside the steam-water separator 3, water separated inside the steam-water separator 3 enters the second water-repellent component 10 through the fourth interface 34, the separated water enters the pipeline 15 through the second water-repellent component 10, when the fourth manual valve 13 is opened, the second manual valve 11 or the third manual valve 12 is closed, the separated water enters the recovery pipeline through the fourth manual valve 13 for recovery, when the fourth manual valve 13 is closed and the third manual valve 12 and the second manual valve 11 are opened, the separated water is directly discharged through the third manual valve 12 and the second manual valve 11, and the steam separated inside the steam-water separator 3 enters the pressure reducing valve 5 through the second interface 32;
s3, performing heat exchange, wherein the pressure reducing valve 5 reduces the pressure of the input steam, and inputs the steam into the pneumatic membrane valve 7 and the first manual valve 8, respectively, and then the steam enters the heat exchanger 14;
wherein, step S3 includes:
s31, closing the first manual valve 8, inputting the decompressed steam into the pneumatic membrane valve 7 and the first manual valve 8 through the pipeline 15 respectively, when the first manual valve 8 is closed, the steam enters the heat exchanger 14 through the pneumatic membrane valve 7, the temperature regulation detects the temperature of the heat exchanger through the temperature sensor 18, the temperature is fed back to the controller 17 to control the opening of the pneumatic membrane valve 7, and the steam amount entering the heat exchanger is regulated to regulate the temperature of the heat exchanger;
s31, closing the pneumatic membrane valve 7, inputting the steam after pressure reduction into the pneumatic membrane valve 7 and the first manual valve 8 through a pipeline 15 respectively, when the pneumatic membrane valve 7 is closed, the steam enters the heat exchanger 14 through the first manual valve 8, and at the moment, the temperature regulation is controlled by manually regulating the opening degree of the first manual valve 8, and the steam amount entering the heat exchanger is regulated to regulate the temperature of the heat exchanger;
s4, the condensed water is processed, the condensed water generated by the heat exchange of the heat exchanger 14 enters the first water-repellent component 9 and the third manual valve 12 through the pipeline 15, when the third manual valve 12 and the second manual valve 11 are closed and the fourth manual valve 13 is opened, the condensed water entering the first water-repellent component 9 enters the recovery pipeline through the fourth manual valve 13 to be recovered, and when the fourth manual valve 13 is closed and the third manual valve 12 and the second manual valve 11 are opened, the condensed water is discharged through the third manual valve 12 and the second manual valve 11 to the direct discharge pipeline.
Specifically, after the stop valve 1 is opened, steam is sequentially input into the first filter 2 and the steam-water separator 3 through the stop valve 1, the first filter 2 and the steam-water separator 3 reduce the pressure of the steam with the pressure of 8bar to 3bar through the pressure reducing valve 5 after eliminating impurities and separating moisture from the input steam, the steam after pressure reduction is input into the pneumatic membrane valve 7 and the first manual valve 8, when the first manual valve 8 is closed, the steam after pressure reduction is respectively input into the pneumatic membrane valve 7 and the first manual valve 8 through the pipeline 15, when the first manual valve 8 is closed, the steam enters the heat exchanger 14 through the pneumatic membrane valve 7, at the moment, the temperature regulation is detected through the temperature sensor 18, the temperature of the heat exchanger is fed back to the controller 17 to control the opening degree of the pneumatic membrane valve 7, the temperature of the heat exchanger is regulated, when the pneumatic membrane valve 7 is closed, the pneumatic membrane valve 7 and the first manual valve 8 are respectively input to the steam after decompression through the pipeline 15, when the pneumatic membrane valve 7 is closed, the steam enters the heat exchanger 14 through the first manual valve 8, the temperature regulation is controlled through the opening degree of the first manual valve 8, the temperature of the steam quantity adjusting heat exchanger entering the heat exchanger is regulated, the quantity of the steam entering the heat exchanger 14 is regulated, the temperature regulation is realized, meanwhile, the temperature of the steam is higher than that of condensed water, when the heat exchanger 14 carries out heat exchange, the effect of quick temperature rise can be realized, and the problems that the temperature of the heat exchange mode of the existing cigar pretreatment dryer slowly rises and the temperature cannot be regulated are solved.
It should be noted that the specific model specifications of the pneumatic membrane valve 7, the controller 17 and the temperature sensor 18 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.
The supply of the pneumatic membrane valve 7, the controller 17 and the temperature sensor 18 and their principle will be clear to the person skilled in the art and will not be described in detail here.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A dryer heat exchange device for cigar pretreatment is used for being connected with a heat exchanger of a dryer, a controller is arranged on the dryer, a temperature sensor is arranged on the heat exchanger, and the dryer heat exchange device is characterized by comprising: the device comprises a stop valve, a first filter, a steam-water separator, a first pressure gauge, a pressure reducing valve, a second pressure gauge, a pneumatic membrane valve, a first manual valve, a first water drainage component, a second manual valve, a third manual valve, a fourth manual valve, a third pressure gauge and a pipeline;
one end of the stop valve is used for being connected with a steam source through the pipeline, the other end of the stop valve is communicated with one end of the first filter through the pipeline, the other end of the first filter is communicated with a first interface of the steam-water separator through the pipeline, the first pressure gauge is communicated with a third interface of the steam-water separator through the pipeline, one end of the pressure reducing valve is communicated with a second interface of the steam-water separator through the pipeline, the other end of the pressure reducing valve is communicated with one end of the pneumatic membrane valve through the pipeline, the other end of the pneumatic membrane valve is communicated with one end of the heat exchanger through the pipeline, two ends of the first manual valve are respectively communicated with two ends of the pneumatic membrane valve through the pipeline, and the second pressure gauge is communicated between the pressure reducing valve and the pneumatic membrane valve through the pipeline, the third pressure gauge is communicated between the pneumatic membrane valve and the heat exchanger through the pipeline, one end of the first water-repellent component is communicated with the other end of the heat exchanger, one end of the third manual valve and one end of the second manual valve through the pipeline, the other end of the first water-repellent component is communicated with the other end of the second manual valve, one end of the second water-repellent component and one end of the fourth manual valve through the pipeline, and the other end of the second water-repellent component is communicated with a fourth interface of the steam-water separator.
2. The heat exchanging device of a dryer for cigar pretreatment according to claim 1, wherein: and the signal input end of the pneumatic membrane valve is in communication connection with the signal output end of the controller, and the signal input end of the controller is in communication connection with the signal output end of the temperature sensor.
3. The heat exchanging device of a dryer for cigar pretreatment according to claim 1, wherein: steam pressure of a steam source connected with one end of the stop valve is 8bar, and steam pressure of the pressure reducing valve after pressure reduction is 3 bar.
4. The heat exchanging device of a dryer for cigar pretreatment according to claim 1, wherein: the first water-repellent component comprises a second filter, a water-repellent valve, an observation mirror and a one-way valve, the second filter, the water-repellent valve, the observation mirror and the one-way valve are sequentially connected in series through the pipeline, one end, far away from the water-repellent device, of the second filter is communicated with the other end of the heat exchanger, one end of the third manual valve and one end of the second manual valve through the pipeline respectively, and one end, far away from the observation mirror, of the one-way valve is communicated with the other end of the second manual valve, one end of the second water-repellent component and one end of the fourth manual valve through the pipeline respectively.
5. The heat exchanging device of claim 4, wherein the heat exchanger is a heat exchanger for a dryer for cigar pretreatment, and comprises: the structure of the second hydrophobic component is completely consistent with that of the first hydrophobic component, one end, far away from the drain valve, of the second filter of the second hydrophobic component is communicated with the fourth interface of the steam-water separator through the pipeline, one end, far away from the observation mirror, of the one-way valve of the second hydrophobic component is communicated with the other end of the second manual valve, one end, far away from the observation mirror, of the one-way valve of the first hydrophobic component and one end of the fourth manual valve through the pipeline respectively.
6. The heat exchanging device of a dryer for cigar pretreatment according to claim 1, wherein: the temperature adjusting range is 25-85 ℃.
7. An operating method of a heat exchanging device of a dryer for cigar pretreatment, which applies the heat exchanging device of claims 1-6, characterized in that: the method comprises the following steps:
s1, inputting steam, opening a stop valve, enabling the steam to enter a filter through the stop valve for filtering, and enabling the steam to enter the steam-water separator through a first connector of the steam-water separator after impurities in the steam are eliminated;
s2, performing steam-water separation, wherein the steam-water separator performs steam-water separation on input steam, a first pressure gauge detects steam pressure inside the steam-water separator, water separated inside the steam-water separator enters a second water-repellent component through a fourth interface, the separated water enters a pipeline through the second water-repellent component, when a fourth manual valve is opened and a second manual valve or a third manual valve is closed, the separated water enters a recovery pipeline through the fourth manual valve for recovery, when the fourth manual valve is closed and the third manual valve and the second manual valve are opened, the separated water is directly discharged through a direct discharge pipeline through the third manual valve and the second manual valve, and the separated steam inside the steam-water separator enters a pressure reducing valve through the second interface;
s3, performing heat exchange, wherein the pressure reducing valve reduces the pressure of the input steam and inputs the steam into the pneumatic membrane valve and the first manual valve respectively and then enters the heat exchanger;
and S4, processing condensed water, wherein the condensed water generated by heat exchange of the heat exchanger enters the first water-draining component and the third manual valve through pipelines respectively, when the third manual valve and the second manual valve are closed and the fourth manual valve is opened, the condensed water entering the first water-draining component enters the recycling pipeline through the fourth manual valve to be recycled, and when the fourth manual valve is closed and the third manual valve and the second manual valve are opened, the condensed water is discharged through the third manual valve and the second manual valve in the direct-draining pipeline.
8. The heat exchanging device of claim 7, wherein the heat exchanger is a heat exchanger for a dryer for cigar pretreatment, and comprises: the step S3 includes:
s31, closing the first manual valve, inputting the decompressed steam into the pneumatic membrane valve and the first manual valve through pipelines respectively, when the first manual valve is closed, enabling the steam to enter the heat exchanger through the pneumatic membrane valve, detecting the temperature of the heat exchanger through a temperature sensor at the moment, feeding the temperature of the heat exchanger back to the controller to control the opening of the pneumatic membrane valve, and adjusting the steam amount entering the heat exchanger to adjust the temperature of the heat exchanger;
and S31, closing the pneumatic membrane valve, inputting the decompressed steam into the pneumatic membrane valve and the first manual valve through pipelines respectively, when the pneumatic membrane valve is closed, enabling the steam to enter the heat exchanger through the first manual valve, controlling the temperature regulation through manually regulating the opening degree of the first manual valve, and regulating the steam amount entering the heat exchanger to regulate the temperature of the heat exchanger.
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| CN202111390269.1A CN114052282A (en) | 2021-11-23 | 2021-11-23 | Dryer heat exchange device for cigar pretreatment and working method thereof |
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| CN202111390269.1A CN114052282A (en) | 2021-11-23 | 2021-11-23 | Dryer heat exchange device for cigar pretreatment and working method thereof |
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Application publication date: 20220218 |