CN203629249U - Dryer energy-saving structure - Google Patents
Dryer energy-saving structure Download PDFInfo
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- CN203629249U CN203629249U CN201320789204.9U CN201320789204U CN203629249U CN 203629249 U CN203629249 U CN 203629249U CN 201320789204 U CN201320789204 U CN 201320789204U CN 203629249 U CN203629249 U CN 203629249U
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Abstract
The utility model relates to a dryer energy-saving structure, comprising a material hopper, a fan, a heating element and an energy-saving control circuit; the material hopper is provided with a charging port, a discharging port and an air outlet; the material hopper is connected with the air outlet of the fan by an air inlet pipeline; the heating element is arranged in the air inlet pipeline and is sleeved by a radiator; a temperature sensor is further arranged in the air inlet pipeline; a humidity sensor is arranged in the material hopper; the temperature sensor, the humidity sensor, the heating element and the fan are respectively connected with the energy-saving control circuit. The operation of the fan and the heating element can be automatically controlled according to the specific conditions of materials in the material hopper and the temperature and humidity change, the heat conversion efficiency is high, the phenomenon that the materials are melt due to overheat is avoided, and the safety is improved. The radiating area can be enlarged by the radiator which sleeves the heating element, heat is not easily accumulated on the heating element, heat energy is fully used and the resources are effectively saved.
Description
Technical field
The utility model relates to a kind of drying machine, relates in particular to a kind of drying machine energy-saving structure.
Background technology
Drying machine is a kind of plant equipment of utilizing heat energy to reduce material moisture, for material is carried out to drying process.Drying machine overflows hygroscopic water (referring generally to moisture or other volatile liquid components) vaporization in material by heating, to obtain the solid material of the moisture content that conforms with the regulations.
At present drier on the market, operation principle and flow process are fairly simple, no matter the material in drying machine how have how many, degree of drying and the length of drying time how, drying machine all only can carry out work by predefined operating frequency.Such as, the primary drying time of drying machine is generally about 30 minutes, if the original moisture content of material to be dried is just not high, dry less than within 30 minutes, having reached regulation moisture content, but drying machine can't stop because material has reached requirement heating, just can stop but still will being dried 30 minutes, so just waste much electricity, there is the phenomenons such as power consumption is serious, thermal energy conversion rate is low, energy waste, also there is potential safety hazard simultaneously, superheated can make material that phenomenon occurs to melt, and when serious, can cause the accident such as fire, personnel's scald.In addition, there is thermal phenomena in the heating element heater in current drying machine, and heat energy is not fully used.
Summary of the invention
The utility model mainly solves original drying machine can not adjust working time and heating intensity automatically according to the number of material and the difference of moisture content, thermal energy conversion rate is low, waste energy, also there is potential safety hazard simultaneously, superheated can make material that phenomenon occurs to melt, and can cause the technical problem of the accident such as fire, personnel's scald when serious; A kind of drying machine energy-saving structure is provided, it can adjust working time and heating intensity automatically according to the number of material and the difference of moisture content, thermal energy conversion rate is high, effectively save the energy, also avoid material to melt phenomenon because of superheated simultaneously, both guarantee quality of material, improved again production security.
The another object of the utility model is to provide a kind of drying machine energy-saving structure, and the area of dissipation that it increases heating element heater, makes not accumulated heat of heating element heater, can take away more heats, improves thermal effect utilization rate.
Another object of the utility model is to provide a kind of drying machine energy-saving structure, and the hot blast that makes to blow in hopper can be uniformly distributed in whole hopper, thereby material is heated evenly, and improves thermal energy conversion rate and drying effect.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the utility model comprises the hopper, blower fan, heating element heater and the energy-saving control circuit that are provided with charging aperture, discharging opening and air outlet, hopper is connected through the air outlet of intake stack and blower fan, heating element heater is located in intake stack, heating element heater overcoat has radiator, in intake stack, be also provided with temperature sensor, in described hopper, be provided with humidity sensor, temperature sensor, humidity sensor, heating element heater and blower fan are connected with described energy-saving control circuit respectively.Temperature and humidity in temperature sensor, humidity sensor difference Real-time Collection hopper, energy-saving control circuit is according to the variation control blower fan of actual temperature, humidity value in hopper and the operation of heating element heater.Be enclosed within the radiator outside heating element heater, increased area of dissipation, make heating element heater be difficult for accumulated heat, heat energy is fully used, thereby saves the energy.The technical program can be controlled automatically according to actual conditions in hopper the operation of blower fan and heating element heater, and thermal energy conversion rate is high, effectively saves the energy, also avoids material to melt phenomenon because of superheated simultaneously, has both guaranteed quality of material, improves again production security.
As preferably, described energy-saving control circuit comprises CPU, push-button unit, display unit, relay and speed adjustment unit, push-button unit, display unit and described temperature sensor, humidity sensor are connected with described CPU respectively, the drive end of relay, the input of speed adjustment unit are connected with described CPU respectively, the output of speed adjustment unit is connected with described blower fan, and one group of contact switch of relay is connected in the supply line of described heating element heater.CPU can be single-chip microcomputer or PLC controller etc.Set duty and each parameter value by operation push-button unit, display unit shows.Temperature and humidity in temperature sensor, humidity sensor difference Real-time Collection hopper, and flow to CPU, through CPU analysis and processing, send respectively control signal to relay and speed adjustment unit, by the start and stop of Control heating element heater, by the running speed of speed adjustment unit control blower fan.In the time that actual value does not reach setting value, blower fan is operation fast at full capacity; In the time that actual value reaches setting value, the slow running of blower fan small-power.Automatically regulate blower fan running speed according to actual conditions in hopper, both saved the energy, improve again quality of material.
As preferably, described energy-saving control circuit comprises power adjusting unit, and the control end of power adjusting unit is connected with described CPU, and power adjusting unit is connected in the supply line of described heating element heater.The operating power of heating element heater is subject to power adjusting unit controls, and power adjusting unit is subject to central processing unit controls.CPU is according to the temperature value in the actual hopper recording and humidity value and predefined temperature, humidity standard value, analyzes, processing and computing, sends corresponding control signal to power adjusting unit.In the time that actual value does not reach setting value, heating element heater is by high-power operation; In the time that actual value reaches setting value, heating element heater is by small-power operation.Both save the energy, improved again quality of material, and also avoided material to melt phenomenon because of superheated, improved production security.
As preferably, described charging aperture and air outlet are located at the top of hopper, described discharging opening is located at the bottom of hopper, described intake stack is connected in the side of hopper and the bottom near hopper, in described hopper, be provided with a circle wind scooper, wind scooper is positioned at the junction of hopper and intake stack, the madial wall of equal with the described hopper in the upper edge of wind scooper, lower edge is connected, between wind scooper and the madial wall of hopper, form a wind-guiding cavity, wind-guiding cavity and described intake stack are communicated with, and wind scooper is provided with multiple equally distributed air-guiding holes.Blow to the hot blast of hopper from intake stack, through wind scooper guiding, be covered with after wind-guiding cavity, then blow out from air-guiding hole, make to be covered with multiply hot blast in hopper, material is heated evenly, improve thermal energy conversion rate and drying effect.
As preferably, the curved indent of described wind scooper.Guarantee that wind-guiding cavity has enough spaces, wind speed is soft.
As preferably, described charging aperture and air outlet are located at the top of hopper, described discharging opening is located at the bottom of hopper, described intake stack is connected in the side of hopper and the bottom near hopper, described hopper center is provided with vertically disposed guide duct, guide duct is connected with described intake stack, the top closure of guide duct, and the tube wall of guide duct is provided with multiple equally distributed air-guiding holes.Blow to the hot blast of hopper from intake stack, under the guiding of guide duct, form multiply hot blast, multiply hot blast had both been covered with hopper in vertical direction, in same level, blow to again all directions of hopper, guarantee that material is heated evenly, improve thermal energy conversion rate and drying effect.
As preferably, described guide duct is a cone, and the little bottom, top of guide duct is large, and top passivation.Guarantee that material is difficult for being deposited on guide duct, the landing of taking advantage of a situation is made also more convenient simultaneously.
As preferably, described charging aperture and air outlet are located at the top of hopper, described discharging opening is located at the bottom of hopper, described intake stack is connected in the side of hopper and the bottom near hopper, in described hopper, be provided with the spiral coil being connected with described intake stack, coil pipe arranges from the bottom up separately along the madial wall of hopper, and coil pipe is provided with multiple equally distributed air-guiding holes, and air-guiding hole is towards the axis of described hopper.Under the guiding of coil pipe, the hot blast blowing into from intake stack is prolonging coil pipe and is upwards flowing, and blows out from the air-guiding hole of coil pipe simultaneously, blows to the material that is positioned at hopper, and material is heated evenly, and improves thermal energy conversion rate and drying effect.
As preferably, described heating element heater is strip, described radiator is included in the cylinder axially arranging in described intake stack, the inwall of cylinder is provided with the inner fin of multiple radially convexes, the outer wall of cylinder is provided with multiple radially overhanging Thermal Arms, Thermal Arm is provided with the outer fin of some layers, and inner fin, outer fin and Thermal Arm all extend along the length direction of cylinder, on the cylinder between adjacent two Thermal Arms, are provided with strip louvre.Heating element heater can be heating wire, and spirality is coiled into cylindrical shape, is placed in the cylinder of radiator.The heat that heating element heater sends, through the heat radiation of inner fin, outer fin, increasing heat radiation area greatly, the wind that produces when blower fan is out-of-date can take away more heat, makes heating element heater be difficult for accumulated heat, is also difficult for blowing, and improves thermal effect utilization rate.
As preferably, the thickness of described inner fin inwardly diminishes gradually from the inwall of described cylinder, and the width of described outer fin increases progressively gradually from internal layer to skin.Further improve radiating effect.
The beneficial effects of the utility model are: increase the area of dissipation of heating element heater, make heating element heater be difficult for accumulated heat, the wind that can be blown by blower fan is taken away more heats, improve thermal effect utilization rate.The hot blast blowing in hopper from intake stack is evenly distributed, thereby material in hopper is heated evenly, and improves thermal energy conversion rate and drying effect.Can automatically adjust wind-force, heating intensity and working time according to temperature real-time in the difference of the number of material, moisture content and hopper, the variation of humidity value, thermal energy conversion rate is high, effectively save the energy, also avoid material to melt phenomenon because of superheated simultaneously, both guarantee quality of material, improved again production security.
Accompanying drawing explanation
Fig. 1 is a kind of circuit theory syndeton block diagram of energy-saving control circuit in the utility model.
Fig. 2 is the axial sectional structure schematic diagram of one of the present utility model.
Fig. 3 is the axial sectional structure schematic diagram of another kind of the present utility model.
Fig. 4 is another axial sectional structure schematic diagram of the present utility model.
Fig. 5 is a kind of plan structure schematic diagram of radiator in the utility model.
Fig. 6 is that the A of Fig. 5 is to structural representation.
1. charging apertures in figure, 2. discharging opening, 3. air outlet, 4. hopper, 5. blower fan, 6. heating element heater, 7. intake stack, 8. temperature sensor, 9. humidity sensor, 10. CPU, 11. push-button units, 12. display units, 13. relays, 14. speed adjustment units, 15. power adjusting unit, 16. wind scoopers, 17. wind-guiding cavitys, 181. air-guiding holes, 182. air-guiding holes, 183. air-guiding holes, 19. guide ducts, 20. coil pipes, 21. radiators, 22. cylinders, 23. inner fins, 24. Thermal Arms, 25. outer fins, 26. louvres.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the drying machine energy-saving structure of the present embodiment, as shown in Figure 2, comprise hopper 4, blower fan 5, heating element heater 6 and energy-saving control circuit, charging aperture 1 and air outlet 3 are arranged at the top of hopper 4, the bottom of hopper 4 is discharging opening 2, the bottom place of the side of hopper 4 and close hopper 4 is connected with intake stack 7, hopper 4 is connected with the air outlet of blower fan 5 through intake stack 7, heating element heater 6 is arranged in intake stack 7, temperature sensor 8 is also installed in intake stack 7, temperature sensor is between heating element heater and hopper, humidity sensor 9 is installed in hopper 4, humidity sensor is positioned at the position, middle and upper part of hopper.In hopper 4, there is a circle wind scooper 16, the curved indent of wind scooper 16, wind scooper 16 is positioned at the junction of hopper 4 and intake stack 7, the upper edge of wind scooper 16, lower edge are all connected with the madial wall of hopper 4, between the madial wall of wind scooper 16 and hopper 4, form a wind-guiding cavity 17, wind-guiding cavity 17 and intake stack 7 are communicated with, and are covered with equably air-guiding hole 181 on wind scooper 16.As Fig. 5, shown in Fig. 6, heating element heater 6 is by heating wire spirally-wound strip, heating element heater 6 overcoats have radiator 21, radiator 21 is included in the cylinder 22 axially arranging in intake stack 7, on the inwall of cylinder 22, there are nine radially inner fins 23 of convex, the thickness of inner fin 23 inwardly diminishes gradually from the inwall of cylinder 22, on the outer wall of cylinder 22, there are three radially overhanging Thermal Arms 24, on each Thermal Arm 24, be connected with three layers of outer fin 25, the width of outer fin 25 increases progressively gradually from internal layer to skin, outer fin 25 is curved, inner fin 23, outer fin 25 and Thermal Arm 24 all extend along the length direction of cylinder 22, on the cylinder 22 between adjacent two Thermal Arms 24, have strip louvre 26.
As shown in Figure 1, energy-saving control circuit comprises CPU 10, push-button unit 11, display unit 12, relay 13 and speed adjustment unit 14, power adjusting unit 15, push-button unit 11 and temperature sensor 8, humidity sensor 9 is connected with the input of CPU 10 respectively, the output of CPU 10 respectively with display unit 12, the input of speed adjustment unit 14, the drive end of the control end of power adjusting unit 15 and relay 13 is connected, the power supply of heating element heater 6 is connected with power adjusting unit 15 through one group of contact switch of relay 13, power adjusting unit 15 is connected with heating element heater 6 again, the output of speed adjustment unit 14 is connected with blower fan 5.
Blow to the hot blast of hopper from intake stack, through wind scooper guiding, be covered with after wind-guiding cavity, then blow out from air-guiding hole, make to be covered with multiply hot blast in hopper, material is heated evenly, improve thermal energy conversion rate and drying effect.Set duty and each parameter value by operation push-button unit, display unit shows.Temperature and humidity in temperature sensor, humidity sensor difference Real-time Collection hopper, and flow to CPU, through CPU analysis and processing, send respectively control signal to power adjusting unit, speed adjustment unit and relay.In the time that actual value does not reach setting value, blower fan is operation fast at full capacity, and heating element heater is by high-power operation; In the time that actual value reaches setting value, the slow running of blower fan small-power, heating element heater is by small-power operation.In the time that temperature arrives the higher limit of setting, CPU is sent control signal to relay, controls heating element heater out of service, plays heat protective effect.
Embodiment 2: the drying machine energy-saving structure of the present embodiment, as shown in Figure 3, there is a vertically disposed guide duct 19 at hopper 4 centers, guide duct 19 is connected with intake stack 7, on the tube wall of guide duct 19, be covered with equably air-guiding hole 182, guide duct 19 is cones, and the little bottom, top of guide duct 19 is large, top closure, and Passivation Treatment is made on top.All the other structures are with embodiment 1.Blow to the hot blast of hopper from intake stack, under the guiding of guide duct, form multiply hot blast, multiply hot blast had both been covered with hopper in vertical direction, in same level, blow to again all directions of hopper, guarantee that material is heated evenly, improve thermal energy conversion rate and drying effect.Guide duct is arranged to cone, guarantees that material is difficult for being deposited on guide duct, and the landing of taking advantage of a situation, makes also more convenient.
Embodiment 3: the drying machine energy-saving structure of the present embodiment, as shown in Figure 4, in hopper 4, there is the spiral coil 20 being connected with intake stack 7, coil pipe 20 arranges from the bottom up separately along the madial wall of hopper 4, coil pipe 20 is covered with equably in the one side of hopper 4 axis air-guiding hole 183, and air-guiding hole 183 is towards the axis of hopper 4.All the other structures are with embodiment 1.Under the guiding of coil pipe, the hot blast blowing into from intake stack is prolonging coil pipe and is upwards flowing, and blows out from the air-guiding hole of coil pipe simultaneously, blows to the material that is positioned at hopper, and material is heated evenly, and improves thermal energy conversion rate and drying effect.
Claims (10)
1. a drying machine energy-saving structure, it is characterized in that comprising and be provided with charging aperture (1), the hopper (4) of discharging opening (2) and air outlet (3), blower fan (5), heating element heater (6) and energy-saving control circuit, hopper (4) is connected with the air outlet of blower fan (5) through intake stack (7), heating element heater (6) is located in intake stack (7), heating element heater (6) overcoat has radiator (21), in intake stack (7), be also provided with temperature sensor (8), in described hopper (4), be provided with humidity sensor (9), temperature sensor (8), humidity sensor (9), heating element heater (6) and blower fan (5) are connected with described energy-saving control circuit respectively.
2. drying machine energy-saving structure according to claim 1, it is characterized in that described energy-saving control circuit comprises CPU (10), push-button unit (11), display unit (12), relay (13) and speed adjustment unit (14), push-button unit (11), display unit (12) and described temperature sensor (8), humidity sensor (9) is connected with described CPU (10) respectively, the drive end of relay (13), the input of speed adjustment unit (14) is connected with described CPU (10) respectively, the output of speed adjustment unit (14) is connected with described blower fan (5), one group of contact switch of relay (13) is connected in the supply line of described heating element heater (6).
3. drying machine energy-saving structure according to claim 2, it is characterized in that described energy-saving control circuit comprises power adjusting unit (15), the control end of power adjusting unit (15) is connected with described CPU (10), and power adjusting unit (15) are connected in the supply line of described heating element heater (6).
4. drying machine energy-saving structure according to claim 1, charging aperture (1) described in it is characterized in that and air outlet (3) are located at the top of hopper (4), described discharging opening (2) is located at the bottom of hopper (4), described intake stack (7) is connected in the side of hopper (4) and the bottom near hopper (4), in described hopper (4), be provided with a circle wind scooper (16), wind scooper (16) is positioned at the junction of hopper (4) and intake stack (7), the upper edge of wind scooper (16), lower edge is all connected with the madial wall of described hopper (4), between the madial wall of wind scooper (16) and hopper (4), form a wind-guiding cavity (17), wind-guiding cavity (17) and described intake stack (7) are communicated with, wind scooper (16) is provided with multiple equally distributed air-guiding holes (181).
5. drying machine energy-saving structure according to claim 4, is characterized in that the described curved indent of wind scooper (16).
6. drying machine energy-saving structure according to claim 1, charging aperture (1) described in it is characterized in that and air outlet (3) are located at the top of hopper (4), described discharging opening (2) is located at the bottom of hopper (4), described intake stack (7) is connected in the side of hopper (4) and the bottom near hopper (4), described hopper (4) center is provided with vertically disposed guide duct (19), guide duct (19) is connected with described intake stack (7), the top closure of guide duct (19), the tube wall of guide duct (19) is provided with multiple equally distributed air-guiding holes (182).
7. drying machine energy-saving structure according to claim 6, is characterized in that described guide duct (19) is a cone, and the little bottom, top of guide duct (19) is large, and top passivation.
8. drying machine energy-saving structure according to claim 1, charging aperture (1) described in it is characterized in that and air outlet (3) are located at the top of hopper (4), described discharging opening (2) is located at the bottom of hopper (4), described intake stack (7) is connected in the side of hopper (4) and the bottom near hopper (4), in described hopper (4), be provided with the spiral coil (20) being connected with described intake stack (7), coil pipe (20) arranges from the bottom up separately along the madial wall of hopper (4), coil pipe (20) is provided with multiple equally distributed air-guiding holes (183), air-guiding hole (183) is towards the axis of described hopper (4).
9. according to the drying machine energy-saving structure described in claim 1 or 2 or 4 or 6 or 8, it is characterized in that described heating element heater (6) is strip, described radiator (21) is included in the cylinder (22) axially arranging in described intake stack (7), the inwall of cylinder (22) is provided with the inner fin (23) of multiple radially convexes, the outer wall of cylinder (22) is provided with multiple radially overhanging Thermal Arms (24), Thermal Arm (24) is provided with the outer fin of some layers (25), inner fin (23), outer fin (25) and Thermal Arm (24) all extend along the length direction of cylinder (22), on the cylinder (22) between adjacent two Thermal Arms (24), be provided with strip louvre (26).
10. drying machine energy-saving structure according to claim 9, the thickness that it is characterized in that described inner fin (23) inwardly diminishes gradually from the inwall of described cylinder (22), the width of described outer fin (25) increases progressively gradually from internal layer to skin, and outer fin (25) is curved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320789204.9U CN203629249U (en) | 2013-12-03 | 2013-12-03 | Dryer energy-saving structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320789204.9U CN203629249U (en) | 2013-12-03 | 2013-12-03 | Dryer energy-saving structure |
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| CN203629249U true CN203629249U (en) | 2014-06-04 |
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| CN201320789204.9U Withdrawn - After Issue CN203629249U (en) | 2013-12-03 | 2013-12-03 | Dryer energy-saving structure |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808118A (en) * | 2013-12-03 | 2014-05-21 | 宁波德锐电气有限公司 | Energy saving system of drying machine |
| CN104019644A (en) * | 2014-06-18 | 2014-09-03 | 刘可心 | Drying, dehydrating and dehumidifying device |
| CN104567318A (en) * | 2014-12-12 | 2015-04-29 | 杭州高新橡塑材料股份有限公司 | System and method for automatically drying rubber particles and separating and drying powder |
| CN110345727A (en) * | 2019-07-19 | 2019-10-18 | 广东瑞之星节能技术有限公司 | A kind of drying machine and its application method |
| CN110622745A (en) * | 2019-10-30 | 2019-12-31 | 山西农业大学 | Hot air temperature and humidity increasing and reducing device for greenhouse |
| CN111421720A (en) * | 2020-04-09 | 2020-07-17 | 何清城 | Energy-conserving desiccator of new material |
| CN112113406A (en) * | 2019-06-22 | 2020-12-22 | 广东新同昌节能科技有限公司 | Material cylinder drying energy-saving device |
| CZ309471B6 (en) * | 2014-06-10 | 2023-02-08 | Ctb, Inc | A system for drying grain based on the principle of equilibrium moisture using a variable speed heater and fan |
-
2013
- 2013-12-03 CN CN201320789204.9U patent/CN203629249U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808118A (en) * | 2013-12-03 | 2014-05-21 | 宁波德锐电气有限公司 | Energy saving system of drying machine |
| CN103808118B (en) * | 2013-12-03 | 2015-10-28 | 宁波德锐电气有限公司 | Drying machine energy conserving system |
| CZ309471B6 (en) * | 2014-06-10 | 2023-02-08 | Ctb, Inc | A system for drying grain based on the principle of equilibrium moisture using a variable speed heater and fan |
| CN104019644A (en) * | 2014-06-18 | 2014-09-03 | 刘可心 | Drying, dehydrating and dehumidifying device |
| CN104567318A (en) * | 2014-12-12 | 2015-04-29 | 杭州高新橡塑材料股份有限公司 | System and method for automatically drying rubber particles and separating and drying powder |
| CN112113406A (en) * | 2019-06-22 | 2020-12-22 | 广东新同昌节能科技有限公司 | Material cylinder drying energy-saving device |
| CN110345727A (en) * | 2019-07-19 | 2019-10-18 | 广东瑞之星节能技术有限公司 | A kind of drying machine and its application method |
| CN110622745A (en) * | 2019-10-30 | 2019-12-31 | 山西农业大学 | Hot air temperature and humidity increasing and reducing device for greenhouse |
| CN111421720A (en) * | 2020-04-09 | 2020-07-17 | 何清城 | Energy-conserving desiccator of new material |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140604 Effective date of abandoning: 20151028 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |