CN211526965U - Positive pressure high-efficiency dehumidifying and drying system - Google Patents
Positive pressure high-efficiency dehumidifying and drying system Download PDFInfo
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- CN211526965U CN211526965U CN201922313720.4U CN201922313720U CN211526965U CN 211526965 U CN211526965 U CN 211526965U CN 201922313720 U CN201922313720 U CN 201922313720U CN 211526965 U CN211526965 U CN 211526965U
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- dehumidifying
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- 238000001035 drying Methods 0.000 title claims abstract description 76
- 239000000428 dust Substances 0.000 claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 45
- 230000008929 regeneration Effects 0.000 claims abstract description 24
- 238000011069 regeneration method Methods 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 239000013589 supplement Substances 0.000 claims abstract description 10
- 230000001172 regenerating effect Effects 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 3
- 238000007791 dehumidification Methods 0.000 abstract description 32
- 239000000463 material Substances 0.000 abstract description 15
- 229920003023 plastic Polymers 0.000 abstract description 14
- 239000004033 plastic Substances 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000002274 desiccant Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to a high-efficient dehumidification drying system of malleation, including rotary dehumidifier and dynamic drying machine, a serial communication port, dynamic drying machine is equipped with high-pressure pulse dust collector and dry heating chamber, dynamic drying machine's top and high-pressure pulse dust collector gas circuit are connected, high-pressure pulse dust collector and rotary dehumidifier gas circuit are connected, rotary dehumidifier gas circuit is connected with dry heating chamber, dry heating chamber tieback forms the closed loop in dynamic drying machine's bottom side, rotary dehumidifier still is equipped with the new trend supplement channel of taking automatic electronic proportion valve control, and the beneficial effect of adopting above-mentioned scheme is: the rotary dehumidifier repeatedly performs the actions of dehumidification, regeneration and cooling to continuously generate low dew point drying air, so that positive pressure is formed in the dynamic dryer, and meanwhile, the stirring blades in the dynamic dryer loosen materials, so that plastic material particles can be uniformly and quickly dried, the maintenance man-hour of equipment is reduced, the production efficiency is improved, and the production cost is controlled.
Description
Technical Field
The utility model relates to a high-efficient dehumidification drying system of malleation belongs to plastics dehumidification drying technology field particularly.
Background
The undried plastic particles usually contain certain moisture, and especially the engineering plastic particles are particularly easy to absorb the moisture in the air; the plastic material water content is not controlled in a certain range, which can cause great influence on the subsequent injection molding or extrusion molding, and the surface of the molded part has the defects of a firework-shaped bubble belt, silver wires, air holes and the like. Therefore, a dehumidification dryer is generally used to form a low dew point drying air flow at a certain temperature in the early stage of plastic processing and molding to remove water contained in plastic particles, and the existing drying equipment draws air from the charging basket, so that negative pressure is formed in the charging basket, the material drying is unbalanced, the material drying time is long, and the energy consumption is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that exists among the background art, provide the high-efficient dehumidification drying system of malleation, solved relevant technical defect conscientiously, concrete scheme is as follows:
the positive-pressure efficient dehumidifying and drying system comprises a rotary dehumidifier and a dynamic dryer, wherein the dynamic dryer is provided with a high-voltage pulse dust removal device and a drying heating chamber, the top end of the dynamic dryer is connected with a high-voltage pulse dust removal device through a gas circuit, the high-voltage pulse dust removal device is connected with the rotary dehumidifier through a gas circuit, the rotary dehumidifier is connected with the drying heating chamber through a gas circuit, the drying heating chamber is connected to the side of the bottom of the dynamic dryer in a back-on mode and forms a closed loop, and the rotary dehumidifier is further provided with a fresh air supplement channel with an automatic electronic proportional valve.
As a further embodiment of the utility model, rotary dehumidifier is including regeneration air-blower, dry air-blower, regeneration heating chamber, condenser and dehumidification runner, the condenser is equipped with two income wind directions, and the air-out direction in proper order with dehumidification runner and regeneration heating chamber gas circuit connection, the dehumidification runner passes through regeneration air-blower and regeneration heating chamber gas circuit connection, again through dry air-blower tieback extremely dry heating chamber.
As a further embodiment of the present invention, the high-voltage pulse dust collector is further provided with a cyclone dust collection barrel, a gas storage tank and a pulse valve, the cyclone dust collection barrel is funnel-shaped, the top side of the cyclone dust collection barrel is connected with the top gas circuit of the dynamic dryer, the top central gas circuit is connected to a wind inlet direction of the condenser, and the fresh air supplement channel controlled by the automatic electronic proportional valve is provided, the side of the cyclone dust collection barrel is connected with the gas storage tank gas circuit, the gas storage tank is connected with the pulse valve, and the bottom of the cyclone dust collection barrel is connected with the dust collection barrel.
As a further embodiment of the utility model, the dehumidification runner still includes dehumidification district and cooling space, the income wind direction in dehumidification district with the condenser links to each other, and the air-out direction divide into two the tunnel, and one way is crossed dry air-blower tieback and is extremely dry heating chamber, another way and cooling space gas circuit are connected, the cooling space passes through the regeneration air-blower and is connected with regeneration heating chamber gas circuit.
As the utility model discloses further embodiment, another inlet air direction of condenser links to each other with the new trend supplement channel of taking automatic electronic proportional valve control, new trend supplement channel is equipped with new trend air filter, keeps the malleation state in making the dynamic drying machine.
As a further embodiment of the utility model, the cyclone dust removal barrel is connected with the dynamic dryer through two wet air recovery pipelines.
As a further embodiment of the present invention, a mesh is provided between the drying heating chamber and the dynamic dryer.
As a further embodiment of the present invention, the bottom of the dynamic drying machine is a funnel-shaped structure, and the top end is provided with a stirring motor and a stirring rod.
The beneficial effect who adopts above-mentioned scheme does: the runner dehumidifier repeats the dehumidification-regeneration-cooling action and continuously produces low dew point drying air, passes through in the drying heating chamber heats the back and is blown into the dynamic drying machine with whirlwind vortex mode, forms the malleation in the dynamic drying machine, and stirring vane in the dynamic drying machine makes the material loose simultaneously, makes plastics material granule can even rapid draing, uses PET reclaimed materials commonly used as the example, under the prerequisite of the material of dry same quality, compares in traditional drying equipment, the utility model discloses the high-efficient dehumidification drying system of malleation's energy consumption and process time all obviously reduce, accord with the requirement of energy saving and emission reduction environmental protection, the high-efficient dehumidification drying system of malleation can also adopt PID closed loop automated control, reduced the man-hour of maintaining to equipment to production efficiency has been improved and manufacturing cost has been controlled.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a perspective view of the drying and heating chamber 4.
Fig. 4 is a schematic structural view 1 of the rotary dehumidifier 1.
Fig. 5 is a schematic structural view 2 of the rotary dehumidifier 1.
Fig. 6 is a schematic structural diagram of the high-voltage pulse dust removing device 2.
Fig. 7 is a schematic flow chart of the present invention.
Wherein: the device comprises a rotary dehumidifier 1, the high-pressure pulse dust removal device 2, a dynamic dryer 3, a drying heating chamber 4, a humid air recovery pipeline 5, a regenerative blower 6, a drying blower 7, a regenerative heating chamber 8, a condenser 9, a dehumidification rotary wheel 10, a cyclone dust removal barrel 11, a dust collection barrel 12, a gas storage tank 13, a pulse valve 14, a dehumidification region 15, a cooling region 16, a fresh air filter element 17, a stirring motor 18 and a humid air discharge port 19.
Detailed Description
Embodiments of the present invention will be described with reference to the accompanying drawings and related embodiments, wherein the following embodiments are only preferred embodiments for better illustrating the present invention, and the embodiments of the present invention are not limited to the following embodiments, and the related essential components of the present invention related to the technical field should be considered as known in the art and can be known and mastered by those skilled in the technical field.
In the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to 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 are therefore not to be considered limiting of the invention.
With reference to the attached drawings 1 and 2, the positive pressure high-efficiency dehumidifying and drying system comprises a rotary dehumidifier 1 and a dynamic dryer 3, the dynamic dryer 3 is provided with a high-voltage pulse dust removal device 2 and a drying heating chamber 4, the top end of the dynamic dryer 3 is connected with the high-voltage pulse dust removal device 2 through a gas circuit, the high-pressure pulse dust removal device 2 is connected with a rotary dehumidifier 1 by a gas circuit, the rotary dehumidifier 1 is connected with the drying heating chamber 4 by the gas circuit, the drying and heating chamber 4 is connected back to the side of the bottom of the dynamic dryer 3 to form a closed loop, the rotary dehumidifier 1 is also provided with a fresh air supplement channel with an automatic electronic proportional valve control and a moist air outlet with an automatic electronic proportional valve control, the air inlet amount and the air outlet amount automatically carry out PID control according to the dew point temperature of air, wherein the drying and heating chamber 4 is of a condenser structure and is provided with a metal coil pipe and a radiating fin.
As shown in fig. 1, 2, 4, and 5, preferably, the rotary dehumidifier 1 includes a regeneration blower 6, a drying blower 7, a regeneration heating chamber 8, a condenser 9, and a dehumidification rotary wheel 10, the condenser 9 has two air inlet directions, and an air outlet direction is sequentially connected to the dehumidification rotary wheel 10 and the regeneration heating chamber 8 through air channels, the dehumidification rotary wheel 10 is connected to the regeneration heating chamber 8 through the regeneration blower 7 through an air channel, and is connected back to the drying heating chamber 4 through the drying blower 6, wherein the regeneration heating chamber 8 and the dehumidification rotary wheel 10 are well-established prior art categories, especially the dehumidification rotary wheel 10, and air is progressively heated and dried by using a rotary wheel structure, which is effective.
Referring to fig. 1, 2 and 6, preferably, the high-pressure pulse dust collector 2 further includes a cyclone dust collection barrel 11, a dust collection barrel 12, a gas storage tank 13 and a pulse valve 14, the cyclone dust collection barrel 11 is funnel-shaped, the top side of the cyclone dust collection barrel is connected to a top gas path of the dynamic dryer 3, a top central gas path is connected to an air inlet direction of the condenser 9, the top end of the cyclone dust collection barrel 11 is further provided with a humid air outlet 19, the side of the cyclone dust collection barrel 11 is connected to the gas storage tank 13, the gas storage tank 13 is connected to the pulse valve 14, the bottom of the cyclone dust collection barrel 11 is connected to the dust collection barrel 12, humid recycled air from the dynamic dryer 3 is removed by cooperation of the gas storage tank 13 and the pulse valve 14, dust falls into the dust collection barrel 12 below, and on the other hand, a part of humid air can be directly discharged through the humid air outlet 19, the specific structure can refer to the existing pulse dust collector, and the difference lies in that the gas storage tank 13 is additionally arranged on the part of the pulse valve 14, and the gas storage tank 13 is used for storing high-pressure gas so as to improve the gas spraying speed in the dust collection process and improve the dust collection efficiency.
As shown in fig. 1, 2, 4, and 5, preferably, the desiccant wheel 10 further includes a desiccant area 15 and a cooling area 16, the air inlet direction of the desiccant area 15 is connected to the condenser 9, the air outlet direction is divided into two paths, one path is connected to the dry heating chamber 4 via the dry blower 7, the other path is connected to the cooling area 16 via the air path, the cooling area 16 is connected to the regenerative heating chamber 8 via the regenerative blower 6 via the air path, and in combination with the desiccant wheel 10, one side of the desiccant wheel 10 is directly connected to the condenser 9, and the other side is directly connected to the desiccant area 15, the structure of the desiccant wheel 10 has been applied in the prior art, and can be implemented with reference to the structural principle of the wheel dehumidifier, the utility model integrates the desiccant wheel and changes the connection mode of the air path without changing the original function, so as to adapt to the overall structural requirements of the present invention, therefore, the effect is obvious and effective.
As shown in fig. 1, 2, 4, and 5, preferably, the other air inlet direction of the condenser 9 is connected to a fresh air supplement channel with an automatic electronic proportional valve control, the fresh air supplement channel is provided with a fresh air filter element 17, and the fresh air filter element 17 is a general air filter structure.
With reference to fig. 1 and 6, preferably, the cyclone dust collection barrel 11 is connected to the dynamic dryer 3 through two wet air recycling pipes 5, so as to improve drying efficiency.
Preferably, a grid is arranged between the drying heating chamber 4 and the dynamic dryer 3, and hot air can enter the grid after passing through the grid.
As shown in fig. 1, preferably, the bottom of the dynamic dryer 3 is of a funnel-shaped structure, the top end of the dynamic dryer is provided with a stirring motor 18 and a stirring rod for stirring plastics, so that the plastics are loosened and heated more uniformly, the stirring motor 18 at the top of the dynamic dryer is stirring power, and is matched with the bottom of the dynamic dryer 3 to form a swirling flow through the inlet air of the drying and heating chamber 4, so that the drying air is fully contacted with the material, and water molecules in the material are removed.
Referring to fig. 7 in which the direction of the arrows is the flow direction of the air and the numerical labels are the sequence of the process steps, the present invention is embodied in the following manner: the positive-pressure high-efficiency dehumidification drying system pumps the humid air (about 60-80 ℃) cleaned and dedusted by the high-pressure pulse dedusting device 2 into a condenser 9 at 8-15 ℃, and water vapor in the air is condensed into liquid water on the surface of the condenser 9 to be discharged, so that primary dehumidification is completed;
the air after primary dehumidification is pumped into the dehumidification rotating wheel 10 for secondary dehumidification;
the dehumidification runner 10 absorbs the moisture in the air on the porous active silica gel inside in a physical way, then enters the regeneration process, the regeneration blower 6 extracts the dehumidified dry air from the cooling zone 16, blows the dehumidified dry air into the regeneration heating chamber 8, blows the dehumidified dry air into the runner regeneration zone sector arranged in the regeneration heating chamber 8 after heating (about 120 ℃), and desorbs the moisture in the dehumidification runner 10 at high temperature, heats and vaporizes the dehumidified dry air to form high-temperature and high-humidity air and discharge the high-temperature and high-humidity air;
the regenerated dehumidification runner 10 rotates to the cooling area 16, when the dehumidification runner rotates, the dehumidification-regeneration-cooling action is continuously repeated, air flow is not influenced, the drying air with ultra-low dew point can be continuously provided, the air inlet mode below the dynamic dryer 3 is blown from the side face, so that the cyclone is formed to surround the upper side, 360-degree uniform air inlet is realized, and the plastic of the dynamic dryer 3 can be heated and dried more uniformly.
Wherein, the temperature of the external cooling water of the condenser 9 is above 0 ℃, so the whole machine does not need defrosting.
Because the whole system is in a semi-closed loop state, moisture is exhausted, and fresh air enters for supplement. Make dynamic drying machine 3 be in the malleation state all the time like this, the wind of bottom heating is more abundant with the contact of plastics to make plastics dry more easily even, if whole gas circuit system is closed ring form attitude, then dynamic drying machine 3 can be in the negative pressure state, and hot-blast one gets into, and the air-out direction above the dynamic drying machine 3 has an adsorbed power of one, and hot-blast faster that can walk can lead to plastics local drying so not so much.
The beneficial effect who adopts above-mentioned scheme does: the runner dehumidifier repeats the dehumidification-regeneration-cooling action and continuously produces low dew point drying air, passes through in the drying heating chamber heats the back and is blown into the dynamic drying machine with whirlwind vortex mode, forms the malleation in the dynamic drying machine, and stirring vane in the dynamic drying machine makes the material loose simultaneously, makes plastics material granule can even rapid draing, uses PET reclaimed materials commonly used as the example, under the prerequisite of the material of dry same quality, compares in traditional drying equipment, the utility model discloses the high-efficient dehumidification drying system of malleation's energy consumption and process time all obviously reduce, accord with the requirement of energy saving and emission reduction environmental protection, the high-efficient dehumidification drying system of malleation can also adopt PID closed loop automated control, reduced the man-hour of maintaining to equipment to production efficiency has been improved and manufacturing cost has been controlled.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The positive-pressure efficient dehumidifying and drying system comprises a rotary dehumidifier and a dynamic dryer, and is characterized in that the dynamic dryer is provided with a high-voltage pulse dust removal device and a drying and heating chamber, the top end of the dynamic dryer is connected with a high-voltage pulse dust removal device through a gas circuit, the high-voltage pulse dust removal device is connected with a rotary dehumidifier through a gas circuit, the rotary dehumidifier is connected with the drying and heating chamber through a gas circuit, the drying and heating chamber is connected to the bottom side of the dynamic dryer in a back-to-back mode and forms a closed loop, and the rotary dehumidifier is further provided with a fresh air supplement channel with an automatic.
2. The positive-pressure efficient dehumidifying and drying system of claim 1 wherein the rotary dehumidifier comprises a regeneration blower, a drying blower, a regeneration heating chamber, a condenser and a dehumidifying rotary wheel, the condenser has two air inlet directions, the air outlet direction is sequentially connected with the dehumidifying rotary wheel and the regeneration heating chamber, the dehumidifying rotary wheel is connected with the regeneration heating chamber through the regeneration blower and is connected with the drying heating chamber through the drying blower.
3. The positive-pressure efficient dehumidifying and drying system according to claim 1, wherein the high-pressure pulse dust collector further comprises a cyclone dust collecting barrel, a gas storage tank and a pulse valve, the cyclone dust collecting barrel is funnel-shaped, the top side of the cyclone dust collecting barrel is connected with a top gas circuit of the dynamic dryer, a top central gas circuit is connected to one air inlet direction of the condenser, the gas circuit is further provided with a wet air outlet with an automatic electronic proportional valve control, the side of the cyclone dust collecting barrel is connected with a gas storage tank gas circuit, the gas storage tank is connected with the pulse valve, and the bottom of the cyclone dust collecting barrel is connected with the dust collecting barrel.
4. The positive-pressure efficient dehumidifying and drying system according to claim 2, wherein the dehumidifying rotor further comprises a dehumidifying area and a cooling area, an air inlet direction of the dehumidifying area is connected to the condenser, an air outlet direction of the dehumidifying area is divided into two paths, one path is connected back to the drying and heating chamber through a drying blower, the other path is connected with a gas path of the cooling area of the dehumidifying rotor, and the cooling area is connected with a gas path of the regenerating and heating chamber through a regenerating blower to discharge humid air.
5. The positive-pressure efficient dehumidifying and drying system according to claim 2 wherein the other air inlet direction of the condenser is connected to a fresh air supply channel with an automatic electronic proportional valve control, and the fresh air supply channel is provided with a fresh air filter element.
6. The positive-pressure high-efficiency dehumidifying and drying system of claim 3 wherein the cyclone dust collecting barrel is connected with the dynamic dryer through two wet air recovery pipelines.
7. The positive pressure high efficiency dehumidifying and drying system of claim 1 wherein a grid is provided between the drying heating chamber and the dynamic dryer.
8. The positive-pressure efficient dehumidifying and drying system of claim 1 wherein the bottom of the dynamic dryer is funnel-shaped, and the top end of the dynamic dryer is provided with the stirring motor and the stirring rod.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922313720.4U CN211526965U (en) | 2019-12-20 | 2019-12-20 | Positive pressure high-efficiency dehumidifying and drying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922313720.4U CN211526965U (en) | 2019-12-20 | 2019-12-20 | Positive pressure high-efficiency dehumidifying and drying system |
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| CN211526965U true CN211526965U (en) | 2020-09-18 |
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| CN201922313720.4U Expired - Fee Related CN211526965U (en) | 2019-12-20 | 2019-12-20 | Positive pressure high-efficiency dehumidifying and drying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849111A (en) * | 2019-12-20 | 2020-02-28 | 彭华 | Positive pressure high-efficiency dehumidifying and drying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849111A (en) * | 2019-12-20 | 2020-02-28 | 彭华 | Positive pressure high-efficiency dehumidifying and drying system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 |