CN210952264U

CN210952264U - Heat pump drying device

Info

Publication number: CN210952264U
Application number: CN201922046289.1U
Authority: CN
Inventors: 黄永立
Original assignee: Baolian Huaqicai Energy Saving Jiangsu Co ltd
Current assignee: Jiangsu new Qicai energy saving Co., Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-07-07
Anticipated expiration: 2029-11-25

Abstract

The utility model provides a heat pump drying device, including vertical stoving bucket, air heat pump set, dust protected climbing conveyer, hot-blast main and circulating pipe, the bottom of vertical stoving bucket is equipped with the air intake, the air intake pass through the hot-blast main with air heat pump set's air-out end is connected, the top center department of vertical stoving bucket is equipped with the air outlet, the air outlet link up through loudspeaker air-collecting cover and circulating pipe mutually, the circulating pipe other end is connected with air heat pump set's top return air end, one side of air outlet is equipped with the feed inlet, the feed inlet is corresponding with dust protected climbing conveyer's top of slope discharge end, the inside of vertical stoving bucket is equipped with vertical screw conveyer, vertical screw conveyer's bottom discharge end dead ahead is equipped with the discharge gate, install airtight door in the discharge. The utility model discloses during dehydration stoving, it is even to have heat distribution, improves production efficiency's characteristics.

Description

Heat pump drying device

Technical Field

The utility model mainly relates to a heat pump drying equipment's technical field, concretely relates to heat pump drying device.

Background

The heat pump is essentially a heat lifting device, and the high-temperature heat pump drying unit utilizes the inverse carnot principle to absorb heat from the surrounding environment and transfer the heat to a heated object (an object with higher temperature), so that the application range of the heat pump drying unit is very wide.

According to patent document CN201720871905.5 provides an air energy heat pump vegetables drying-machine, including the air energy heat pump, the return air pipe, axial fan, the oven air intake, bake out the material, the material storehouse, the oven air outlet, the hot-blast main, the hot-blast storehouse, the guide plate, this drying-machine is effectual improved heat utilization rate, but its material all is in the material storehouse and stews motionless, make the heat stretch from the extroversion inwards, drag the dehydration rate slowly, need artifical work of carrying out the ejection of compact in getting into the material storehouse again when the ejection of compact, make working strength grow, and efficiency is lower, influence the production progress.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a heat pump drying device for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a heat pump drying device comprises a vertical drying barrel, an air heat pump unit, a dustproof climbing conveyor, a hot air pipe and a circulating pipe, wherein an air inlet is formed in the bottom of the vertical drying barrel, the air inlet is connected with the air outlet end of the air heat pump unit through the hot air pipe, a hot air flow dividing pipe is vertically arranged at the inner top end of the vertical drying barrel, the bottom of the hot air flow dividing pipe is communicated with the hot air pipe and is fixed in the air inlet through a pipe sleeve, and a plurality of air outlet through holes are formed in the outer wall of the hot air flow dividing pipe in a surrounding mode from top to bottom;

the utility model discloses a vertical drying barrel, including vertical drying barrel, circulating pipe, air pump set, air outlet, loudspeaker fan-collecting cover top, the circulating pipe other end and air pump set's top return air end is connected, one side of air outlet is equipped with the feed inlet, the upper end of feed inlet with dust protected climbing conveyor's slope top discharge end is corresponding, vertical drying barrel's inside is encircleed the periphery of hot-blast shunt tubes is equipped with vertical screw conveyer, vertical screw conveyer's top feed end with the lower extreme of feed inlet is corresponding, vertical screw conveyer bottom discharge end is equipped with the discharge gate in the dead ahead, install airtight door in the discharge gate, airtight door with vertical drying barrel's casing is articulated mutually.

Furthermore, a driving motor is installed at the bottom of the vertical drying barrel and is fixed in an inverted mode, the output end of the driving motor is connected with a rotating shaft, the rotating shaft penetrates through the bottom shell of the vertical drying barrel and extends into the bottom shell, a shaft seal is sleeved on the outer wall of the rotating shaft and clamped on the bottom shell of the vertical drying barrel, a turbine section is arranged at one end of the rotating shaft, and the turbine section is located on one side of the discharge end of the bottom of the vertical screw conveyor.

Further, vertical screw conveyer from the top down all through a plurality of fixing bases with the inner wall of vertical stoving bucket is fixed mutually, vertical screw conveyer's bottom discharge end has the drive roller through the bearing rotation interlude, drive gear is installed to the one end of drive roller, just drive gear with the meshing of turbine section.

Further, install the conveyer belt on the vertical screw conveyer, the conveyer belt surface transversely is provided with a plurality of racks that fall one by one, and is a plurality of run through in the interval of the rack that falls the equal parallel of conveyer belt casing is equipped with a plurality of bleeder vents.

Furthermore, louvered air inlet windows are symmetrically arranged on two sides of the air heat pump unit.

Furthermore, an axial flow fan is installed on the horizontal section of the circulating pipe.

Furthermore, the bottom of the vertical drying barrel is evenly divided and fixed with supporting legs one by one near the outer edge.

Furthermore, sealing strips are glued to the outer edge of the closed bin door, a controller penetrates through the closed bin door and is fixed to the closed bin door, and a temperature sensor is mounted on the back face of the controller.

Furthermore, the bottom feed end of dust protected climbing conveyer is provided with the hopper, just the department installs the support frame perpendicularly in the middle of the downhill path of dust protected climbing conveyer.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model takes the vertical drying barrel as the material bin, a vertical screw conveyer is arranged in the vertical drying barrel, vegetables are sent into a feed inlet at the top of the vertical drying barrel by using a dustproof climbing conveyer and fall on the vertical screw conveyer, the slow conveying of the vertical screw conveyer stops the conveying action after the whole vertical screw conveyer is filled with the vegetables, so that the vegetables are not accumulated and are distributed uniformly, hot air is provided by an air heat pump unit and is conveyed from a hot air pipe to an air inlet to enter a hot air shunt pipe to be discharged into the vertical drying barrel by a plurality of air outlet through holes, the air outlet mode has the characteristic of multi-direction, hot air can uniformly fill each area, the vegetables on the vertical screw conveyer are dried and dehydrated rapidly, and water generated during the drying and dehydration is absorbed and conveyed into a circulating pipe by a horn air collecting cover at the air outlet at the top of the vertical drying barrel, and retrieve and carry out the dehumidification in the air heat pump set and reheat the back and follow the hot-blast main again and get into vertical stoving bucket and recycle, after the stoving is accomplished, open the airtight door of discharge gate department, the vertical screw conveyer of restart carries the vegetables after will dehydrating to see off to the outside from discharge gate department and collect, reduces artificial ejection of compact operation, the effectual working strength that has reduced improves production efficiency.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the internal structure of the vertical drying barrel of the present invention;

FIG. 3 is an enlarged view of area A in FIG. 2;

fig. 4 is a side sectional view of the conveyor belt of the present invention.

In the figure: 1. a vertical drying barrel; 1a, an air inlet; 1b, an air outlet; 1c, a feed inlet; 1d, a discharge hole; 11. closing the bin gate; 11a, a controller; 11a-1, a temperature sensor; 12. a vertical screw conveyor; 12a, a fixed seat; 12b, a conveyor belt; 12b-1, a pawl; 12b-2 and air holes; 12c, a drive roller; 12c-1, a drive gear; 13. a hot air shunt pipe; 13a and an air outlet through hole; 14. a drive motor; 14a, a rotating shaft; 14a-1, a turbine section; 14b, shaft seal; 15. supporting legs; 2. an air heat pump unit; 21. a louvered air inlet window; 3. a dust-proof climbing conveyor; 31. a hopper; 32. a support frame; 4. a hot air pipe; 5. a circulation pipe; 51. a horn wind collecting cover; 52. an axial flow fan.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 and 2, a heat pump drying device includes a vertical drying barrel 1, an air heat pump unit 2, a dustproof climbing conveyor 3, a hot air pipe 4 and a circulation pipe 5, wherein support legs 15 are fixed on the bottom of the vertical drying barrel 1 near the outer edge one by one, the vertical drying barrel 1 is erected to form a stable support by four support legs 15, an air inlet 1a is arranged at the bottom of the vertical drying barrel 1, the air inlet 1a is connected with the air outlet end of the air heat pump unit 2 through the hot air pipe 4, louvered air inlet windows 21 are symmetrically arranged on two sides of the air heat pump unit 2, external air enters the air heat pump unit 2 from the two louvered air inlet windows 21 for heat exchange, a hot air shunt pipe 13 is vertically arranged at the inner top end of the vertical drying barrel 1 from the air inlet 1a, the bottom of the hot air shunt 13 is communicated with the hot air pipe 4 and is fixed on the air inlet 1a through a pipe sleeve In the drying device, a plurality of air outlet through holes 13a are formed around the outer wall of the hot air shunt pipe 13 from top to bottom, an air outlet 1b is formed in the center of the top of the vertical drying barrel 1, a horn-shaped air collecting cover 51 is installed on the periphery of the air outlet 1b, the top of the horn-shaped air collecting cover 51 is connected with the circulating pipe 5, the other end of the circulating pipe 5 is connected with the air return end of the top of the air heat pump unit 2, an axial flow fan 52 is installed on the horizontal section of the circulating pipe 5, the axial flow fan 52 is started to assist the direction of guiding hot air from the horn-shaped air collecting cover 51 to the air heat pump unit 2 and prevent the hot air from flowing backwards, a feed inlet 1c is formed in one side of the air outlet 1b, the upper end of the feed inlet 1c corresponds to the discharge end of the slope top of the dustproof climbing conveyor 3, and a vertical spiral conveyor 12, the top feeding end of the vertical screw conveyor 12 corresponds to the lower end of the feeding port 1c, a discharging port 1d is arranged right ahead of the bottom discharging end of the vertical screw conveyor 12, a closed bin door 11 is installed in the discharging port 1d, and the closed bin door 11 is hinged to the shell of the vertical drying barrel 1.

Please refer to fig. 2 and 3, wherein a driving motor 14 is installed at the bottom of the vertical drying barrel 1, the driving motor 14 is fixed in an inverted manner, an output end of the driving motor 14 is connected to a rotating shaft 14a, the rotating shaft 14a penetrates through the bottom shell of the vertical drying barrel 1 and extends to the inside, a shaft seal 14b is sleeved on the outer wall of the rotating shaft 14a, the shaft seal 14b is clamped on the bottom shell of the vertical drying barrel 1, a turbine section 14a-1 is arranged at one end of the rotating shaft 14a, the turbine section 14a-1 is located at one side of the bottom discharge end of the vertical screw conveyor 12, the vertical screw conveyor 12 is fixed with the inner wall of the vertical drying barrel 1 from top to bottom through a plurality of fixing seats 12a, a driving roller 12c is inserted into the bottom discharge end of the vertical screw conveyor 12 through the rotation of a bearing, a drive gear 12c-1 is mounted at one end of the drive roller 12c, and the drive gear 12c-1 is engaged with the turbine section 14 a-1. In this embodiment, the rotating shaft 14a is driven to rotate after the driving motor 14 is started, and at this time, the synchronous rotation of the turbine section 14a-1 enables the meshed driving gear 12c-1 and driving roller 12c to also rotate, so as to realize the conveying work of the vertical screw conveyor 12, while the rotating shaft 14a is protected by the shaft seal 14b during rotation and does not contact with the bottom shell of the vertical drying tub 1, and the shaft seal 14b also makes the joint airtight, so as to prevent the drying effect from being affected after hot air leaks.

Please refer to fig. 4 again, a conveyor belt 12b is installed on the vertical screw conveyor 12, a plurality of inverted racks 12b-1 are transversely arranged on the outer surface of the conveyor belt 12b one by one, and a plurality of air holes 12b-2 are arranged in parallel in the shell of the conveyor belt 12b penetrating through the intervals of the inverted racks 12 b-1. In the present embodiment, the vegetables are placed on the conveyor belt 12b, the plurality of inverted racks 12b-1 prevent the vegetables from sliding down, and the plurality of ventilation holes 12b-2 on the conveyor belt 12b allow heat generated by hot air to pass through the plurality of ventilation holes 12b-2 to dry the vegetables.

Please refer to fig. 1 and 3 again, the sealing strips 11b are glued to the outer edges of the sealing bin door 11, a controller 11a is fixed on the sealing bin door 11 in a penetrating manner, and a temperature sensor 11a-1 is installed on the back of the controller 11 a. In this embodiment, when the sealing door 11 is closed, the sealing strip 11b and the discharge port 1d form extrusion for sealing, and during the drying operation, the controller 11a sets important parameters such as time and temperature, and the temperature sensor 11a-1 is used to monitor the temperature in the vertical drying barrel 1 in real time, and the temperature is observed from the display area of the controller 11 a.

Please refer to fig. 1-4 again, a hopper 31 is disposed at the bottom feeding end of the dust-proof climbing conveyor 3, and a supporting frame 32 is vertically installed in the middle of the downhill surface of the dust-proof climbing conveyor 3. In this embodiment, the vegetables to be dehydrated are put in the hopper 31 and are fed into the vertical drying tub 1 by the dust-proof climbing conveyor 3, and when the dust-proof climbing conveyor 3 is operated, the stable support is formed by the support frame 32 to prevent collapse.

The utility model discloses a concrete operation as follows:

firstly, vegetables to be dehydrated are put in a hopper 31 of a dustproof climbing conveyor 3, the controller 11a controls the dustproof climbing conveyor 3 to work, the vegetables to be dehydrated are conveyed to the top of a vertical drying barrel 1 and fall down on a conveying belt 12b of a vertical spiral conveyor 12 from a feeding hole 1c, meanwhile, a driving motor 14 is started to drive a rotating shaft 14a to rotate, a driving gear 12c-1 meshed with a turbine section 14a-1 synchronously rotates to drive a driving roller 12c to rotate, the conveying belt 12b slowly moves to match the feeding speed of the dustproof climbing conveyor 3, the vegetables to be dehydrated cannot randomly slide and accumulate on the conveying belt 12b under the limitation of a plurality of inverted racks 12b-1, when the upper layer surface of the conveying belt 12b is full, the driving motor 14 stops working, then the controller 11a starts an air heat pump unit 2 to work after important parameters such as drying time and temperature are set, external air is introduced from the two louvered air inlet windows 21 to the inside of the air heat pump unit 2 for heat exchange, hot air generated by the air heat pump unit 2 is sent to an air inlet 1a at the bottom of the vertical drying barrel 1 through the hot air pipe 4 and is guided into the hot air shunt pipe 13 inside, hot air is sprayed to the surrounding space through the air outlet through holes 13a to heat and dry vegetables to be dehydrated on the conveying belt 12b, the temperature in the vertical drying barrel 1 is monitored in real time by using a temperature sensor 11a-1 on the controller 11a and is reflected to a display area of the controller 11a, so that the observation of personnel is facilitated, the hot air in the vertical drying barrel 1 is heated after providing heat and then is driven by an axial flow fan 52 on the circulating pipe 5 to enter a horn air collecting cover 51 from the air outlet 1b and return to the air heat pump unit 2 along the circulating pipe 5 for dehumidification and then heating and recycling until the drying and dehydration work is, and stopping the work of the air heat pump unit 2, opening the closed bin door 11, and then starting the driving motor 14 again to enable the conveying belt 12b to move so as to send out the dehydrated vegetables from the discharge port 1d and drop the dehydrated vegetables into the prepared collection box.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims

1. A heat pump drying device comprises a vertical drying barrel (1), an air heat pump unit (2), a dustproof climbing conveyor (3), a hot air pipe (4) and a circulating pipe (5), and is characterized in that an air inlet (1 a) is formed in the bottom of the vertical drying barrel (1), the air inlet (1 a) is connected with an air outlet end of the air heat pump unit (2) through the hot air pipe (4), a hot air flow dividing pipe (13) is vertically arranged at the inner top end, extending to the vertical drying barrel (1), of the air inlet (1 a), the bottom of the hot air flow dividing pipe (13) is communicated with the hot air pipe (4) and is fixed in the air inlet (1 a) through a pipe sleeve, and a plurality of air outlet through holes (13 a) are formed in the outer wall of the hot air flow dividing pipe (13) in a surrounding mode from top to bottom;

an air outlet (1 b) is arranged at the center of the top of the vertical drying barrel (1), a horn air collecting cover (51) is installed on the periphery of the air outlet (1 b), the top of the horn air collecting cover (51) is connected with the circulating pipe (5), the other end of the circulating pipe (5) is connected with the top air return end of the air heat pump unit (2), a feed inlet (1 c) is formed in one side of the air outlet (1 b), the upper end of the feed inlet (1 c) corresponds to the top slope discharge end of the dustproof climbing conveyor (3), a vertical spiral conveyor (12) is arranged in the vertical drying barrel (1) and surrounds the periphery of the hot air flow dividing pipe (13), the top feed end of the vertical spiral conveyor (12) corresponds to the lower end of the feed inlet (1 c), a discharge hole (1 d) is arranged in front of the bottom discharge end of the vertical spiral conveyor (12), and a closed bin door (11) is installed in the discharge port (1 d), and the closed bin door (11) is hinged with the shell of the vertical drying barrel (1).

2. The heat pump drying device according to claim 1, wherein a driving motor (14) is installed at the bottom of the vertical drying barrel (1), the driving motor (14) is fixed in an inverted manner, an output end of the driving motor (14) is connected with a rotating shaft (14 a), the rotating shaft (14 a) penetrates through a bottom shell of the vertical drying barrel (1) and extends to the inside, a shaft seal (14 b) is sleeved on an outer wall of the rotating shaft (14 a), the shaft seal (14 b) is clamped on the bottom shell of the vertical drying barrel (1), a turbine section (14 a-1) is arranged at one end of the rotating shaft (14 a), and the turbine section (14 a-1) is located at one side of a bottom discharge end of the vertical screw conveyor (12).

3. The heat pump drying device according to claim 2, wherein the vertical screw conveyor (12) is fixed to the inner wall of the vertical drying tub (1) from top to bottom through a plurality of fixing seats (12 a), a driving roller (12 c) is rotatably inserted into the bottom discharge end of the vertical screw conveyor (12) through a bearing, a driving gear (12 c-1) is installed at one end of the driving roller (12 c), and the driving gear (12 c-1) is meshed with the turbine section (14 a-1).

4. The heat pump drying device according to claim 3, wherein a conveying belt (12 b) is installed on the vertical screw conveyor (12), a plurality of inverted racks (12 b-1) are transversely arranged on the outer surface of the conveying belt (12 b) one by one, and a plurality of air holes (12 b-2) are arranged in parallel in intervals of the inverted racks (12 b-1) and penetrate through the shell of the conveying belt (12 b).

5. The heat pump drying device according to claim 1, wherein the air heat pump unit (2) is symmetrically provided with louvered air inlet windows (21) on both sides.

6. A heat pump drying apparatus according to claim 1, wherein an axial flow fan (52) is installed on the horizontal section of the circulation pipe (5).

7. The heat pump drying device as claimed in claim 1, wherein the bottom of the vertical drying barrel (1) is fixed with support legs (15) at the position close to the outer edge in equal division one by one.

8. The heat pump drying device according to claim 1, wherein a sealing strip (11 b) is glued to an outer edge of the closed bin door (11), a controller (11 a) is fixedly arranged on the closed bin door (11) in a penetrating manner, and a temperature sensor (11 a-1) is installed on the back of the controller (11 a).

9. The heat pump drying device according to claim 1, wherein a hopper (31) is arranged at the bottom feeding end of the dust-proof climbing conveyor (3), and a support frame (32) is vertically arranged in the middle of the downhill surface of the dust-proof climbing conveyor (3).