CN204880977U - Vacuum decompression formula desiccator - Google Patents
Vacuum decompression formula desiccator Download PDFInfo
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- CN204880977U CN204880977U CN201520383220.7U CN201520383220U CN204880977U CN 204880977 U CN204880977 U CN 204880977U CN 201520383220 U CN201520383220 U CN 201520383220U CN 204880977 U CN204880977 U CN 204880977U
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Abstract
The utility model discloses a vacuum decompression formula desiccator, including dry feed cylinder, vacuum pump and hot -blast heating device, dry feed cylinder is seal structure, hot -blast heating device includes heat -conducting cylinder, hot -blast main and dry fan, the heat -conducting cylinder sets up in dry feed cylinder, the heat -conducting cylinder outer wall is equipped with a plurality of protruding portions of stretching of cavity formula of stretching to the evagination, be formed with plastic raw materials accommodation space between dry feed cylinder inner wall and the heat -conducting cylinder outer wall, the heat -conducting cylinder is equipped with air -supply line and exhaust pipe rather than the intercommunication, air -supply line and exhaust pipe pass plastic raw materials accommodation space and stretch out outside the dry feed cylinder to be connected through hot -blast main and dry fan, dry feed cylinder is equipped with the evacuation hole, vacuum tube and vacuum pump are passed through to the evacuation hole. The utility model discloses it is more even to make the plastic raw materials be heated, and drying efficiency is higher, has shortened drying time greatly, has improved production efficiency, reduces the consumption of electric power resource, has reached to energy saving and reduce cost's purpose.
Description
Technical field
The utility model relates to plastic dryer technical field, is specifically related to a kind of vacuum decompression formula drying machine.
Background technology
Plastic material due to voidage larger, easy adsorption moisture and become moist in atmosphere, when plastic material to carry out without drying process injection moulding produce time, the product of injection mo(u)lding easily produces bubble because plastic material contains moisture, moire, the problems such as crackle spot.Therefore, all need in drying, to carry out drying process to plastic material with drying machine before carrying out injection moulding production.Traditional drying machine mainly carries out heated baking by hot blast to raw material, is taken out of by moisture simultaneously, and therefore, the general volume of existing drying machine is comparatively large, and floor space is also more.Meanwhile, owing to being comparatively difficult to ensure that when drying machine toasts raw material card is heated evenly, make drying efficiency too low, often need within 3-4 hour, just can complete drying work, therefore need in process of production to wait for that 3-4 hour to carrying out normal injection moulding production.Therefore traditional drying machine drying efficiency is not high, and need the time that cost is longer, waste the time that injection moulding is produced, add the cost of wait, meanwhile, traditional drying machine needs to expend more electric energy, is unfavorable for economize energy and environmental protection.
Utility model content
The utility model, for the disappearance of prior art existence, provides a kind of drying efficiency higher, energy-saving effect better vacuum decompression formula drying machine.
For reaching above-mentioned purpose, the technical scheme that the utility model adopts is as follows:
A kind of vacuum decompression formula drying machine, comprise dry barrel, vavuum pump and hot air heating apparatus, described dry barrel is hermetically-sealed construction, described hot air heating apparatus comprises heat-conducting cylinder, warm-air pipe and drying air fan, described heat-conducting cylinder is arranged in dry barrel, described heat-conducting cylinder outer wall is provided with a plurality of hollow type convex extension part outwards protruded out, plastic material accommodation space is formed between described dry material tube inner wall and heat-conducting cylinder outer wall, described heat-conducting cylinder is provided with the blast pipe and exhaust duct that are communicated with it, described blast pipe and exhaust duct stretch out outside dry barrel through plastic material accommodation space, and be connected with drying air fan by warm-air pipe, described dry barrel is provided with and vacuumizes hole, the described hole that vacuumizes is by vacuum-pumping tube and vavuum pump.
As a kind of preferred version, the convex extension part of described heat-conducting cylinder and the radial direction of heat-conducting cylinder is angled protrudes out, the inside of described convex extension part has the cavity be communicated with heat-conducting cylinder, and described convex extension part is uniformly distributed in heat-conducting cylinder periphery.
As a kind of preferred version, described exhaust duct is positioned at the top of heat-conducting cylinder, and the horn mouth of the handstand be provided with by heat-conducting cylinder upper end is communicated with heat-conducting cylinder, and described blast pipe bottom extends to the bottom of heat-conducting cylinder, and top is stretched out from the sidewall of heat-conducting cylinder.
As a kind of preferred version, described in vacuumize the upper end that dry barrel is located in hole, the vacuum-pumping tube between described vavuum pump and dry barrel is provided with vacuum filter.
As a kind of preferred version, the warm-air pipe between described blast pipe and drying air fan is by an air heater.
As a kind of preferred version, the outside wall surface of described dry barrel is provided with heat-insulation layer.
As a kind of preferred version, the top and bottom of described dry barrel are respectively equipped with feeding seal valve and blanking seal valve.
The utility model is by adopting the beneficial effect of technique scheme acquisition as follows: by arranging heat-conducting cylinder in dry barrel, described heat-conducting cylinder outer wall is provided with a plurality of hollow type convex extension part outwards protruded out, plastic material between dry barrel and heat-conducting cylinder being heated when being subject to Hot-blast Heating more even, improve the efficiency of heating surface and quality.Meanwhile, dry barrel is hermetically-sealed construction, arranges vacuumize hole in dry barrel upper end, by vacuumizing dry barrel, in dry barrel, forming low pressure, reducing the boiling point of water, moisture in plastic material is obtained by heating evaporation faster, further increase the efficiency of oven dry.In addition, the moisture of heating evaporation is extracted out by vavuum pump, substantially reduces drying time, and thus, drying time only needs 30-40 minute, and drying time is short, and then needed for dry run, electric energy decreases, and reaches the object of economize energy and environmental protection.Meanwhile, dry time shorten, decrease the stand-by period that injection moulding is produced, improve the efficiency that whole injection moulding is produced, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the structure chart of the embodiment of the utility model;
Fig. 2 is the sectional view of the dry barrel of the embodiment of the utility model.
Accompanying drawing identifier declaration:
10, dry barrel, 11, heat-insulation layer, 12, feeding seal valve,
13, blanking seal valve, 14, plastic material accommodation space, 20, heat-conducting cylinder,
21, exhaust duct, 22, blast pipe, 23, horn mouth,
24, convex extension part, 30, drying air fan, 31, warm-air pipe,
32, air heater, 33, temperature sensor, 40, vavuum pump,
41, vacuum-pumping tube, 42, vacuum filter, 43, vacuum transducer.
Detailed description of the invention
For more clearly setting forth architectural feature of the present utility model, technological means and the specific purposes reached thereof and function, come below in conjunction with accompanying drawing and specific embodiment that the utility model is described in further detail:
Please refer to shown in Fig. 1 and Fig. 2, a kind of vacuum decompression formula drying machine, comprise dry barrel 10, vavuum pump 40 and hot air heating apparatus, described dry barrel 10 is hermetically-sealed construction, upper end is provided with the feeding seal valve 12 entering dry barrel 10 for controlling plastic material, lower end is provided with the blanking seal valve 13 flowed out in dry barrel 10 for controlling dried plastic material, the outer wall of described dry barrel 10 is provided with heat-insulation layer 11, the heating-up temperature that can be kept dry in barrel 10 by the heat-insulation layer 11 arranged is stablized, and ensures heating quality.
Described hot air heating apparatus comprises heat-conducting cylinder 20, warm-air pipe 31 and drying air fan 30, described heat-conducting cylinder 20 is arranged in dry barrel 10, described heat-conducting cylinder 20 outer wall is provided with a plurality of hollow type convex extension part 24 outwards protruded out, described convex extension part 24 protrudes out with the radial direction of heat-conducting cylinder 20 is angled, the inside of described convex extension part 24 has the cavity be communicated with heat-conducting cylinder 20, it is peripheral that described convex extension part 24 is uniformly distributed in heat-conducting cylinder 20, is formed with plastic material accommodation space 14 between described dry barrel 10 inwall and heat-conducting cylinder 20 outer wall.The plastic material in dry barrel 10 can being made thus to be heated when heating more even, improving drying efficiency.
Described heat-conducting cylinder 20 is provided with the blast pipe 22 and exhaust duct 21 that are communicated with it, described exhaust duct 21 is positioned at the top of heat-conducting cylinder 20, and the horn mouth 23 of the handstand be provided with by heat-conducting cylinder 20 upper end is communicated with heat-conducting cylinder 20, described blast pipe 22 bottom extends to the bottom of heat-conducting cylinder 20, and top is stretched out from the sidewall of heat-conducting cylinder 20.Described blast pipe 22 and exhaust duct 21 stretch out outside dry barrel 10 through plastic material accommodation space 14, and be connected with drying air fan 30 by warm-air pipe 31, warm-air pipe 31 between described blast pipe 22 and drying air fan 30 is by an air heater 32, and the air inlet of described blast pipe 22 is also provided with the temperature sensor 33 for monitoring hot blast temperature.
The upper end of described dry barrel 10 is provided with and vacuumizes hole, the described hole that vacuumizes is connected with vavuum pump 40 by vacuum-pumping tube 41, vacuum-pumping tube 41 between described vavuum pump 40 and dry barrel 10 is provided with vacuum filter 42, and the front end of described vavuum pump 40 is provided with the vacuum transducer 43 for detecting vacuum state.Described dry barrel 10 forms low pressure by vacuumizing in inside, reduces the boiling point of water, the moisture in plastic material is obtained by heating evaporation faster, further increase the efficiency of oven dry, meanwhile, the moisture of heating evaporation is extracted out by vavuum pump 40, substantially reduces the drying time of injection moulding.
The above, it is only preferred embodiment of the present utility model, not in order to limit the utility model, thus every according to technology of the present utility model actual above embodiment is done any amendment, equivalent replacement, improvement etc., all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. a vacuum decompression formula drying machine, comprise dry barrel, vavuum pump and hot air heating apparatus, described dry barrel is hermetically-sealed construction, it is characterized in that: described hot air heating apparatus comprises heat-conducting cylinder, warm-air pipe and drying air fan, described heat-conducting cylinder is arranged in dry barrel, described heat-conducting cylinder outer wall is provided with a plurality of hollow type convex extension part outwards protruded out, plastic material accommodation space is formed between described dry material tube inner wall and heat-conducting cylinder outer wall, described heat-conducting cylinder is provided with the blast pipe and exhaust duct that are communicated with it, described blast pipe and exhaust duct stretch out outside dry barrel through plastic material accommodation space, and be connected with drying air fan by warm-air pipe, described drying is provided with and vacuumizes hole, the described hole that vacuumizes is by vacuum-pumping tube and vavuum pump.
2. vacuum decompression formula drying machine according to claim 1, it is characterized in that: the convex extension part of described heat-conducting cylinder and the radial direction of heat-conducting cylinder is angled protrudes out, the inside of described convex extension part has the cavity be communicated with heat-conducting cylinder, and described convex extension part is uniformly distributed in heat-conducting cylinder periphery.
3. vacuum decompression formula drying machine according to claim 1, it is characterized in that: described exhaust duct is positioned at the top of heat-conducting cylinder, and the horn mouth of the handstand be provided with by heat-conducting cylinder upper end is communicated with heat-conducting cylinder, described blast pipe bottom extends to the bottom of heat-conducting cylinder, and top is stretched out from the sidewall of heat-conducting cylinder.
4. vacuum decompression formula drying machine according to claim 1, is characterized in that: described in vacuumize the upper end that dry barrel is located in hole, the vacuum-pumping tube between described vavuum pump and dry barrel is provided with vacuum filter.
5. vacuum decompression formula drying machine according to claim 1, is characterized in that: the warm-air pipe between described blast pipe and drying air fan is by an air heater.
6. vacuum decompression formula drying machine according to claim 1, is characterized in that: the outside wall surface of described dry barrel is provided with heat-insulation layer.
7. vacuum decompression formula drying machine according to claim 1, is characterized in that: the top and bottom of described dry barrel are respectively equipped with feeding seal valve and blanking seal valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520383220.7U CN204880977U (en) | 2015-06-04 | 2015-06-04 | Vacuum decompression formula desiccator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520383220.7U CN204880977U (en) | 2015-06-04 | 2015-06-04 | Vacuum decompression formula desiccator |
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| Publication Number | Publication Date |
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| CN204880977U true CN204880977U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520383220.7U Active CN204880977U (en) | 2015-06-04 | 2015-06-04 | Vacuum decompression formula desiccator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107019139A (en) * | 2017-03-28 | 2017-08-08 | 南昌大学 | A kind of typical local food drying/tasty all-in-one |
| CN108224935A (en) * | 2018-02-09 | 2018-06-29 | 般若涅利（北京）装备技术有限公司 | Lithium ion battery powder high-temperature vacuum drying equipment and drying means |
| CN113074518A (en) * | 2021-03-29 | 2021-07-06 | 宁夏神耀科技有限责任公司 | Method for dehydrating coal gasification filter cake, dehydration device and method for recycling coal gasification filter cake |
-
2015
- 2015-06-04 CN CN201520383220.7U patent/CN204880977U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107019139A (en) * | 2017-03-28 | 2017-08-08 | 南昌大学 | A kind of typical local food drying/tasty all-in-one |
| CN108224935A (en) * | 2018-02-09 | 2018-06-29 | 般若涅利（北京）装备技术有限公司 | Lithium ion battery powder high-temperature vacuum drying equipment and drying means |
| CN108224935B (en) * | 2018-02-09 | 2023-08-04 | 般若涅利（北京）装备技术有限公司 | High-temperature vacuum drying equipment and drying method for lithium ion battery powder |
| CN113074518A (en) * | 2021-03-29 | 2021-07-06 | 宁夏神耀科技有限责任公司 | Method for dehydrating coal gasification filter cake, dehydration device and method for recycling coal gasification filter cake |
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