CN213396419U

CN213396419U - Drying fan

Info

Publication number: CN213396419U
Application number: CN202022067821.0U
Authority: CN
Inventors: 刘新宇; 章红益
Original assignee: Jiangyin Qianyi Daily Chemical Packaging Co ltd
Current assignee: Jiangyin Qianyi Daily Chemical Packaging Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-08
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a drying fan uses at desiccator technical field, and its technical scheme main points are: the drying device comprises a drying fan and a heat energy recovery box arranged on the drying fan, wherein the heat energy recovery box is connected into an air outlet pipe of the drying fan through an air supply pipe, the heat energy recovery box extends out of the heat energy recovery box through a heat extraction pipe, the heat extraction pipe is communicated with a heat extraction pump for absorbing hot air, the heat extraction pipe is communicated with a dust removal box, the dust removal box is connected to the outer wall of the drying fan, and a filter screen is arranged on the top and bottom walls in the dust removal box; has the technical effects that: in steam passed through blast pipe entering drying blower, drying blower will be hot-blast through going out the tuber pipe and discharge, improve heat recovery and recycle the effect for drying efficiency.

Description

Drying fan

Technical Field

The utility model relates to a desiccator technical field, in particular to drying fan.

Background

The drying fan used in some warehouses has more functions than a common fan, and can play a role in ventilation and simultaneously maintain the drying condition in the warehouse. If the warehouse is a special warehouse, the cooling effect can be achieved. Especially in some warehouses for storing grains, it is very important that the drying fan plays a role, and if the drying fan is not used, the grains are not stored in the warehouses.

Chinese patent publication No. CN202511594U discloses a hot air dryer with heat energy recovery function, which comprises a drying fan, a drying heating device, a drying cylinder and a heat energy recovery device, wherein the drying fan is connected with the drying cylinder through a gas path of the drying heating device, an exhaust port of the drying cylinder is connected with a gas path of the heat energy recovery device, and an air inlet of the drying fan faces the heat energy recovery device and is arranged adjacent to the heat energy recovery device. Preferably, the control unit is electrically connected with the drying fan and the drying and heating device respectively. The air outlet of the drying cylinder is connected with a heat energy recovery device through an air passage of a drying filter, the raw material conveying device is connected with the drying cylinder through a conveying filter pipeline, the drying filter, the conveying filter and the heat energy recovery device are installed in an installation cabinet, and the side surface of the installation cabinet facing the devices is a transparent side surface. This drying fan can have a large amount of dusts, impurity entering heat recovery incasement at the heat recovery in-process, probably blocks up the pipeline or makes the drying fan inner wall dirty.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drying fan, its advantage: through setting up dust removal mechanism, filter absorptive dust or impurity, reduce the dirt possibility of dust jam pipeline and drying fan inner wall.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a drying fan, includes drying fan and locates the heat recovery case on the drying fan, heat recovery case lets in the drying fan air-out pipe through the blast pipe even, heat recovery case is outside extending heat recovery case through the heat extraction pipe, the intercommunication has the heat extraction pump that is used for absorbing steam on the heat extraction pipe, the intercommunication has the dust removal case on the heat extraction pipe, the dust removal case is connected on the drying fan outer wall, install the filter screen on the dust removal incasement roof wall, the motor has set firmly on the dust removal incasement roof, the coaxial rotation of motor is connected with the (mixing) shaft, the cover is equipped with a dust absorption section of thick bamboo on the (mixing) shaft outside, dust absorption section of thick bamboo surface is equipped with glue, be connected between dust removal bag and the dust.

Through the technical scheme, need take the heat back to in the heat recovery case, drive heat pump, heat pump takes out steam to the dust removal incasement through the heat pump pipe, the filter screen of dust removal incasement filters dust and impurity in the steam, driving motor rotates, the motor drives the (mixing) shaft and rotates, the (mixing) shaft drives the suction tube and rotates, glue absorbs dust and impurity in the steam on the suction tube surface, through rotating, more comprehensive dust and impurity with in the steam absorb, steam gets into in the dust removal bag, the dust removal bag is further to dust and impurity treatment in the steam, afterwards, get into in the heat recovery incasement, steam passes through in the blast pipe gets into the drying blower, the drying blower is with hot-blast through going out the tuber pipe discharge, improve heat recovery and recycle effect, accelerate drying efficiency.

The utility model discloses further set up to: and a sealing ring is hermetically connected at the gap between the air supply pipe and the drying fan.

Through above-mentioned technical scheme, the sealing washer is sealed with the clearance between blast pipe and the drying blower for sealed effect between blast pipe and the drying blower is better, reduces steam and discharges from the clearance and cause the extravagant possibility of heat energy.

The utility model discloses further set up to: the inner wall of the heat energy recovery box is fixedly provided with a spongy cushion.

Through above-mentioned technical scheme, the foam-rubber cushion absorbs steam, and is effectual to heat energy storage, improves heat energy recovery case's heat energy storage effect.

The utility model discloses further set up to: and a heat insulation layer is fixedly arranged on the outer wall of the heat energy recovery box.

Through above-mentioned technical scheme, the insulating layer plays thermal-insulated effect to heat recovery case, avoids the outer wall high temperature of heat recovery case and brings the possibility that personnel scalded.

The utility model discloses further set up to: the drying fan is provided with a heat dissipation groove, and an exhaust fan is installed on the inner wall of the heat dissipation groove.

Through above-mentioned technical scheme, drying fan is in long-term working process, and inside can give out a large amount of heats, and the exhaust fan discharges away the heat from the radiating groove, reduces drying fan internal temperature, reduces the high possibility that brings drying fan internals and burn out of temperature.

The utility model discloses further set up to: install the rotating electrical machines on drying fan's the side of top, coaxial rotation is connected with the pivot on the output of rotating electrical machines, the cover is equipped with solid fixed ring on the roof of pivot, gu fixed ring cover establishes on the outer wall of heat extraction pipe.

Through above-mentioned technical scheme, rotate through drive rotating electrical machines, rotating electrical machines drives the pivot and rotates, and the pivot drives solid fixed ring and rotates, and solid fixed ring drives the heat extraction pipe and rotates for the heat extraction pipe can circumference absorb steam, thereby more thorough absorbs external heat and recycles.

The utility model discloses further set up to: and the tail end of the heat extraction pipe is sleeved with a gas collecting hood.

Through above-mentioned technical scheme, the gas collecting channel increases the area of contact of heat extraction pipe and air for heat extraction pipe can absorb steam at a faster rate, thereby improves the effect that heat recovery case retrieved the heat energy.

To sum up, the utility model discloses following beneficial effect has:

1. the heat is pumped back to the heat energy recovery box, the heat pump is driven, the heat pump pumps hot air into the dust removal box through the heat pumping pipe, a filter screen in the dust removal box filters dust and impurities in the hot air, the motor is driven to rotate, the motor drives the stirring shaft to rotate, the stirring shaft drives the dust suction barrel to rotate, glue on the surface of the dust suction barrel absorbs the dust and the impurities in the hot air, the dust and the impurities in the hot air are absorbed more comprehensively through rotation, the hot air enters the dust removal bag, the dust removal bag further treats the dust and the impurities in the hot air, then the hot air enters the heat energy recovery box, the hot air enters the drying fan through the air supply pipe, the drying fan discharges the hot air through the air outlet pipe, the heat energy recovery and reutilization effect is improved, and the drying efficiency is accelerated;

2. drying blower is in long-term working process, and inside can give out a large amount of heats, and the exhaust fan discharges away the heat from the radiating groove, reduces drying blower inside temperature, reduces the high possibility that brings drying blower internals and burn out of temperature.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is an enlarged view of a portion a in fig. 1.

Reference numerals: 1. a drying fan; 2. a heat energy recovery tank; 3. an air supply pipe; 4. a heat pumping pipe; 5. a heat pump; 6. a dust removal box; 7. an electric motor; 8. a stirring shaft; 9. a dust suction cylinder; 10. a dust removal bag; 11. a seal ring; 12. a sponge cushion; 13. a thermal insulation layer; 14. a heat sink; 15. an exhaust fan; 16. a rotating electric machine; 17. a rotating shaft; 18. a fixing ring; 19. a gas-collecting hood; 20. and (4) a filter screen.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): referring to fig. 1 and 2, fig. 1 is a schematic overall structure diagram of the present embodiment; fig. 2 is an enlarged view of a portion a in fig. 1. A drying fan comprises a drying fan 1 and a heat energy recovery box 2 fixedly connected to the drying fan 1, wherein a sponge cushion 12 is fixedly connected to the inner wall of the heat energy recovery box 2, the heat energy recovery box 2 is communicated into an air outlet pipe of the drying fan 1 through an air supply pipe 3, the heat energy recovery box 2 extends out of the heat energy recovery box 2 through a heat extraction pipe 4, a heat extraction pump 5 for absorbing hot air is communicated with the heat extraction pipe 4, a dust removal box 6 is communicated with the heat extraction pipe 4, the dust removal box 6 is fixedly connected to the outer wall of the drying fan 1, a filter screen 20 is installed on the top bottom wall in the dust removal box 6, a motor 7 is fixedly connected to the top wall in the dust removal box 6, the motor 7 is coaxially and rotatably connected with a stirring shaft 8, a dust suction cylinder 9 is sleeved on the outer side of the stirring shaft 8, glue is arranged on the surface of the dust suction cylinder 9, the heat extraction pipe 4, the heat pump 5 is driven, the heat pump 5 pumps hot air into the dust removal box 6 through the heat extraction pipe 4, the filter screen 20 in the dust removal box 6 filters dust and impurities in the hot air, the motor 7 is driven to rotate, the motor 7 drives the stirring shaft 8 to rotate, the stirring shaft 8 drives the dust collection cylinder 9 to rotate, glue on the surface of the dust collection cylinder 9 absorbs the dust and impurities in the hot air, through rotation, dust and impurities in hot gas are absorbed more comprehensively, the hot gas enters the dust removal bag 10, the dust removal bag 10 further treats the dust and the impurities in the hot gas, then the hot gas enters the heat energy recovery box 2, the spongy cushion 12 absorbs the hot gas, it is effectual to heat energy storage, improves heat energy storage effect of heat recovery case 2, and steam passes through in blast pipe gets into drying blower 1, and drying blower 1 will be hot-blast through going out the tuber pipe discharge, improves heat recovery and recycles the effect for drying efficiency.

Further, install rotating electrical machines 16 on the top side of drying fan 1, coaxial rotation is connected with pivot 17 on rotating electrical machines 16's the output, gu fixed ring 18 has been cup jointed on pivot 17's the roof, gu fixed ring 18 cover is established on the outer wall of heat extraction pipe 4, gu the gas collecting channel 19 has been cup jointed on heat extraction pipe 4's the end, the area of contact of gas collecting channel 19 increase heat extraction pipe 4 and air, make heat extraction pipe 4 can faster speed absorb steam, thereby improve the effect of heat recovery case 2 recovery heat energy, install rotating electrical machines 16 on drying fan 1's the top side, coaxial rotation is connected with pivot 17 on rotating electrical machines 16's the output, the cover is equipped with solid fixed ring 18 on pivot 17's the roof, gu fixed ring 18 cover is established on heat extraction pipe 4's.

Further, fixedly connected with insulating layer 13 on the outer wall of heat recovery case 2, insulating layer 13 plays thermal-insulated effect to heat recovery case 2, avoid the outer wall high temperature of heat recovery case 2 and bring the possibility that personnel scalded, radiating groove 14 has been seted up on drying fan 1, install exhaust fan 15 on the inner wall of radiating groove 14, drying fan 1 is in long-term working process, inside can give out a large amount of heats, exhaust fan 15 discharges away the heat from radiating groove 14, reduce 1 inside temperature of drying fan, reduce the high possibility that brings 1 inside part of drying fan to burn out of temperature.

The method comprises the following operation steps: need to draw the heat back to in heat recovery case 2, drive heat pump 5, heat pump 5 takes out steam through heat-pumping pipe 4 to in dust removal case 6, dust and impurity in the steam are filtered to filter screen 20 in the dust removal case 6, driving motor 7 rotates, motor 7 drives (mixing) shaft 8 and rotates, (mixing) shaft 8 drives suction tube 9 and rotates, glue absorbs dust and impurity in the steam on suction tube 9 surface, through rotating, more comprehensive absorb dust and impurity in the steam, steam gets into in the dust removal bag 10, dust removal bag 10 further handles dust and impurity in the steam, afterwards, get into heat recovery case 2, steam passes through the blast pipe and gets into in drying fan 1, drying fan 1 discharges hot-blastly through the play tuber pipe, improve heat recovery and recycle effect, accelerate drying efficiency.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a drying fan which characterized in that: the drying machine comprises a drying fan (1) and a heat energy recovery box (2) arranged on the drying fan (1), wherein the heat energy recovery box (2) is communicated into an air outlet pipe of the drying fan (1) through an air supply pipe (3), the heat energy recovery box (2) extends out of the heat energy recovery box (2) through a heat extraction pipe (4), the heat extraction pipe (4) is communicated with a heat extraction pump (5) used for absorbing hot air, the heat extraction pipe (4) is communicated with a dust removal box (6), the dust removal box (6) is connected onto the outer wall of the drying fan (1), a filter screen (20) is arranged on the inner top wall of the dust removal box (6), a motor (7) is fixedly arranged on the inner top wall of the dust removal box (6), the motor (7) is coaxially and rotatably connected with a stirring shaft (8), a dust suction barrel (9) is sleeved on the outer side of the stirring shaft (8), and glue is arranged on the, the heat extraction pipe (4) is connected with the dust removal box (6) through a dust removal bag (10).

2. The drying fan according to claim 1, wherein: and a sealing ring (11) is hermetically connected to a gap between the air supply pipe (3) and the drying fan (1).

3. The drying fan according to claim 1, wherein: the inner wall of the heat energy recovery box (2) is fixedly provided with a spongy cushion (12).

4. The drying fan according to claim 1, wherein: and a heat insulation layer (13) is fixedly arranged on the outer wall of the heat energy recovery box (2).

5. The drying fan according to claim 1, wherein: the drying fan is characterized in that a heat dissipation groove (14) is formed in the drying fan (1), and an exhaust fan (15) is installed on the inner wall of the heat dissipation groove (14).

6. The drying fan according to claim 1, wherein: install rotating electrical machines (16) on the top side of drying fan (1), coaxial rotation is connected with pivot (17) on the output of rotating electrical machines (16), the cover is equipped with solid fixed ring (18) on the roof of pivot (17), gu fixed ring (18) cover is established on the outer wall of taking out heat pipe (4).

7. The drying fan according to claim 1, wherein: and the tail end of the heat pumping pipe (4) is sleeved with a gas collecting hood (19).