CN210220226U - Embedded drying-machine and supporting stoving room - Google Patents
Embedded drying-machine and supporting stoving room Download PDFInfo
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- CN210220226U CN210220226U CN201920823050.8U CN201920823050U CN210220226U CN 210220226 U CN210220226 U CN 210220226U CN 201920823050 U CN201920823050 U CN 201920823050U CN 210220226 U CN210220226 U CN 210220226U
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Abstract
The utility model discloses an embedded dryer and a matched drying room, wherein the dryer comprises a shell, a circulating fan is arranged on the end surface of the embedded part of the shell, and an outdoor fan is arranged on the end surface of the external part of the shell; an air return opening is formed in the top of the embedded part of the shell; the heat pump unit and the dehumidifying mechanism are arranged in the shell, the dehumidifying mechanism comprises a dehumidifying air duct arranged at an air return port, a first dehumidifying air box communicated with the bottom end of the dehumidifying air duct, a heat exchanger, a second dehumidifying air box and a dehumidifying fan are sequentially communicated and arranged on the upper portion of the first dehumidifying air box, a dehumidifying air port is arranged at the top of the external portion of the shell, and the dehumidifying fan is arranged at the dehumidifying air duct. The utility model provides an embedded drying-machine and stoving room have designed and optimized from the several aspects of big wind channel circulation, hydrofuge and new trend for equipment structure is reasonable, and the on-the-spot simple installation, drying efficiency improves greatly.
Description
Technical Field
The utility model relates to a drying equipment technical field, concretely relates to embedded drying-machine and supporting stoving room.
Background
At present, in stoving and dry field, the drying-machine of use is mostly split type. The split type dryer is divided into an outdoor unit and an indoor unit, installation positions need to be reserved in advance, and field installation is complex. In addition, the dehumidification function of drying-machine that uses in the existing market is comparatively simple, uses solitary dehumidification fan to carry out the dehumidification and does not have the heat recovery function mostly, causes not high, the extravagant scheduling problem of heat energy resource of drying efficiency from this. In view of this, it is very important to design and manufacture a drying apparatus with convenient installation and high drying efficiency.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an embedded drying-machine and supporting stoving room that rational in infrastructure, simple to operate, hydrofuge are efficient, the stoving is effectual.
In order to solve the technical problem, the utility model adopts the following technical scheme:
an embedded dryer is designed, and comprises a shell, wherein the shell comprises an embedded part and an external part, the embedded part is used for being installed in a drying room, and the external part is used for being installed outside the drying room; the end face of the embedded part of the shell is provided with a circulating fan, and the end face of the external part of the shell is provided with an outdoor fan; an air return opening is formed in the top of the embedded part of the shell;
the shell is internally provided with a heat pump unit and a moisture removal mechanism, the heat pump unit comprises a compressor, a four-way reversing valve, a first heat exchanger, a drying filter, an expansion valve, a liquid separator, a second heat exchanger and a gas-liquid separator which are communicated through a pipeline, the first heat exchanger is arranged adjacent to the outdoor fan, and the second heat exchanger is arranged adjacent to the circulating fan;
the dehumidifying mechanism comprises a dehumidifying air duct arranged at the air return port and a first dehumidifying air box communicated with the bottom end of the dehumidifying air duct, the upper part of the first dehumidifying air box is sequentially communicated with a heat exchanger, a second dehumidifying air box and a dehumidifying fan, a dehumidifying air port is formed in the top of the external part of the shell, and the dehumidifying fan is arranged at the position of the dehumidifying air duct. The joints of the dehumidifying air duct, the first dehumidifying air box, the heat exchanger and the second dehumidifying air box are hermetically connected.
In the technical scheme, the embedded part of the dryer is used for being arranged in the drying room, the external part is arranged outside the drying room, the integrated mechanism of the indoor unit and the outdoor unit of the dryer is realized, when the dryer works, air in the drying room enters the dryer shell through the air return opening, the air is heated through the second heat exchanger, and then the air is blown into the drying room through the circulating fan, so that the material in the drying room is dried, and the circulation process of the air in the drying room is realized. The shell of the two sides of the external part of the dryer is provided with grid holes, the grid holes are used for air circulation, air outside the dryer enters the unit of the external part through the grid holes and then exchanges heat through the first heat exchanger to absorb heat in the air, and the air after heat exchange is sent to the outside of the dryer by the outdoor fan, so that the circulation process of the outside air is realized. In this process, the first heat exchanger functions as an evaporator to absorb heat from the outside air. When the air humidity in the drying room reaches the set humidity, the dehumidifying fan works to enable the damp and hot air in the drying room to enter the first dehumidifying air box through the dehumidifying air duct, then the damp and hot air passes through the heat exchanger and the second dehumidifying air box and is exhausted out of the drying room through the dehumidifying air opening, and the dehumidification and the humid air exhaust of the drying room are achieved.
Preferably, the heat exchanger further comprises a fresh air fan, the fresh air fan is arranged between the heat exchanger and the second heat exchanger, one air inlet side of the fresh air fan is connected with the heat exchanger, and the other side of the fresh air fan faces the second heat exchanger; and grid holes for air circulation are respectively formed in two sides of the external part of the shell. When the dehumidifying fan works, the fresh air fan also works simultaneously, fresh air entering the shell from the grating holes on the two sides of the dryer is brought into the heat exchanger to exchange heat with damp and hot air entering the heat exchanger after passing through the dehumidifying air duct and the first dehumidifying air box, preheating is achieved, the preheated fresh air is heated through the second heat exchanger, and the preheated fresh air is blown into the drying room through the circulating fan so as to maintain stable dehumidifying capacity.
Preferably, the fresh air fan is arranged on the upper portion of the first dehumidifying air box, and the two dehumidifying air cylinders are respectively arranged on two sides of the fresh air fan. One part of the first moisture-removing air box is positioned in the drying room and below the return air inlet and the moisture-removing air duct, and the other part of the first moisture-removing air box is positioned outside the drying room and below the moisture-removing air inlet and the second moisture-removing air box.
Preferably, in the heat pump unit, an exhaust port of the compressor is connected with a port D of the four-way reversing valve, a return air port of the compressor is connected with an outlet of the gas-liquid separator, an inlet of the gas-liquid separator is connected with a port S of the four-way reversing valve, a port C of the four-way reversing valve is connected with an inlet of the second heat exchanger, a port E of the four-way reversing valve is connected with an outlet of the first heat exchanger, an outlet of the second heat exchanger is connected with the drying filter, another port of the drying filter is connected with the expansion valve, another port of the expansion valve is connected with the liquid separator, and the liquid separator is connected to an inlet of the first heat exchanger.
Preferably, the second heat exchanger is further provided with an electric heating device for auxiliary heating, so as to assist the second heat exchanger in heating and ensure that a heat source in the air circulation process is sufficient.
Preferably, the first heat exchanger and the second heat exchanger are any one of finned tube type, plate-strip type, plate-fin type or micro-channel type air-cooled heat exchangers; the heat exchanger is a plate-fin sensible heat exchanger.
Preferably, a water drainage groove is formed in the bottom of the first heat exchanger, and a first water drainage pipe extending to the outside of the shell is connected below the water drainage groove; and a second drain pipe extending to the outside of the shell is connected to the bottom of the first moisture exhausting bellows. The drain pipe is used for discharging the generated condensed water to the outside of the case.
The utility model also relates to a drying room using the embedded drying machine, a storehouse door is arranged on one side wall body of the drying room, the embedded drying machine is arranged on the other side wall body opposite to the storehouse door, the embedded part of the embedded drying machine shell is positioned in the drying room, and the external part is positioned outside the drying room;
an air duct partition plate is horizontally arranged in the drying room, one end of the air duct partition plate is hermetically connected with a wall body where the embedded dryer is located and is positioned at the top of the shell, and two side edges of the air duct partition plate are hermetically connected with the wall bodies on two sides of the drying room; the air duct partition plate divides the drying room into a drying air duct at the lower part and a return air duct at the upper part; openings with the same shape and size are formed in the position, corresponding to the air return opening, of the air duct partition plate, and the upper end of the dehumidifying air duct extends into the drying room.
The drying rooms adopting the embedded drying machine are characterized in that each drying room can be provided with one or more drying machines according to requirements, a drying air channel at the lower part and a return air channel at the upper part are separated by an air channel partition plate, a trolley provided with a material carrying tray is placed in the drying air channel, a drying unit is started, the air in the drying room realizes large air channel circulation, the drying machines heat hot air and then blow the hot air into the drying air channel to dry materials, and the air in the drying air channel returns to the drying unit through the return air channel to be heated and returns to the drying air channel again; the dehumidifying fan is used for discharging a part of damp and hot air in the drying room to reduce the air humidity in the drying room, and meanwhile, the fresh air fan is used for supplementing outdoor fresh air into the drying room; the outdoor fan is used for promoting circulation of air on two sides of the first heat exchanger, heat exchange between the air and the first heat exchanger is enhanced, and external air circulation is achieved.
Preferably, a rain-shielding cover plate is arranged above the moisture-discharging air port, and the rain-shielding cover plate is fixedly arranged on a wall body of the drying room and can prevent external rainwater from entering the shell of the drying machine from the moisture-discharging air port.
Preferably, the casing of embedded drying-machine and the part that the stoving room wall body contacted be sealing connection, reduce the circulation of air between stoving room and the external world, reduce the heat loss, reduce the influence of external environment temperature to the temperature in the stoving room.
Preferably, a temperature and humidity sensor is arranged in the return air duct and used for monitoring the temperature and humidity in the drying room.
Preferably, the wall body of the drying room and the air duct partition plate are both made of heat-insulating plates, so that the heat-insulating effect is achieved, and the heat loss in the drying room can be reduced. The air inside and outside the drying room is communicated only through an air duct in the dehumidifying mechanism, grid holes on two sides of the dryer shell and an air port in the fresh air fan, and other gaps are separated by a unit partition plate.
Preferably, the length of the air duct partition plate is 70-90% of the length of the drying room.
Preferably, the distance between the air inlet at the upper end of the moisture-removing air duct and the top of the drying room is 100-200 mm.
The beneficial effects of the utility model reside in that:
1. the utility model discloses embedded drying-machine, for the integrated equipment of indoor set and off-premises station, its rational in infrastructure, integrated degree is high, small, has advantages such as simple to operate, operation are simple and direct, efficiency relative altitude, energy-conserving power saving. The field installation only needs to embed the unit into one end of the drying storehouse, and the gap is sealed by the heat insulation material, so that the machine can be used after being electrified without debugging. In addition, the unit is provided with a unique dehumidifying system and a fresh air system, the temperature and the humidity in the drying room and the drying machine can be monitored through the temperature and humidity sensor, the working index and the working mode of the drying machine can be adjusted at any time, and the high energy efficiency ratio and the energy-saving effect of the unit are realized.
2. The utility model discloses a stoving room of embedded drying-machine has the big wind channel circulation system of unique stoving, hydrofuge system and new trend system, can realize the simple and direct convenience of installation and the stable high efficiency of stoving.
Drawings
Fig. 1 is a schematic view of the external structure of the embedded dryer of the present invention;
fig. 2 is a schematic view of the internal structure of the embedded dryer of the present invention;
FIG. 3 is a schematic structural view of a dehumidifying mechanism;
FIG. 4 is a schematic view of a heat pump unit circulation loop;
fig. 5 is a schematic structural view of one side of the external part of the embedded dryer of the present invention;
figure 6 is the utility model discloses the structural schematic diagram in stoving room.
Reference numbers in the figures: 1 circulating fan, 2 air return inlet, 3 dehumidifying air duct, 4 first dehumidifying air box, 5 heat exchanger, 6 fresh air fan, 7 second dehumidifying air box, 8 dehumidifying fan, 91 compressor, 92 second heat exchanger, 93 first heat exchanger and 94 expansion valve; 95 electric heating means; 10 rain-proof cover plate, 11 outdoor fan; 12 storehouse doors, 13 air duct clapboards, 14 return air ducts, 15 drying air ducts, 16 drying rooms, 17 embedded parts, 18 external parts, 19 moisture exhaust air ports and 20 second drain pipes.
Detailed Description
The following examples are provided only for illustrating the embodiments of the present invention in detail and are not intended to limit the scope of the present invention in any way.
Example 1: an embedded dryer, see fig. 1-5, comprises a housing including an embedded portion 17 for installation inside a drying room and an external portion 18 for installation outside the drying room; the end surface of the embedded part 17 of the shell is provided with a circulating fan 1, and the end surface of the external part 18 of the shell is provided with an outdoor fan 11; the top of the embedded part 17 of the shell is provided with an air return opening 2, and two sides of the external part 18 of the shell are respectively provided with a grid hole for air circulation.
The heat pump unit and the dehumidifying mechanism are arranged in the shell, the heat pump unit comprises a compressor 91, a four-way reversing valve, a first heat exchanger 93, a drying filter, an expansion valve 94, a liquid separator, a second heat exchanger 92 and a gas-liquid separator which are communicated through pipelines, the first heat exchanger 93 is arranged adjacent to the outdoor fan 11, the second heat exchanger 92 is arranged adjacent to the circulating fan 1, and an electric heating device 95 used for auxiliary heating is further arranged on the second heat exchanger 92. In the heat pump unit, an exhaust port of a compressor 91 is connected with a port D of a four-way reversing valve, a return gas port of the compressor 91 is connected with an outlet of a gas-liquid separator, an inlet of the gas-liquid separator is connected with a port S of the four-way reversing valve, a port C of the four-way reversing valve is connected with an inlet of a second heat exchanger 92, a port E of the four-way reversing valve is connected with an outlet of a first heat exchanger 93, an outlet of the second heat exchanger 92 is connected with a drying filter, the other port of the drying filter is connected with an expansion valve, the other port of the expansion valve is connected with a liquid distributor, and the liquid distributor is connected to an inlet of the. Wherein, the first heat exchanger 93 and the second heat exchanger 92 are any one of finned tube type, plate belt type, plate fin type or micro-channel type air-cooled heat exchangers; the heat exchanger 5 is a plate fin sensible heat exchanger. The four-way reversing valve, the drying filter, the liquid separator and the gas-liquid separator, which are not shown in fig. 2, can be installed at appropriate positions in the dryer housing in a conventional manner and connected through pipelines in the above circulation manner.
The dehumidifying mechanism comprises a dehumidifying air duct 3 arranged at the air return inlet 2 and a first dehumidifying air box 4 communicated with the bottom end of the dehumidifying air duct 3, a heat exchanger 5, a second dehumidifying air box 7 and a dehumidifying fan 8 are sequentially communicated and arranged on the upper portion of the first dehumidifying air box 4, a dehumidifying air inlet 19 is arranged at the top of an external portion 18 of the shell, and the dehumidifying fan 8 is arranged at the dehumidifying air inlet 19.
A drain groove is formed at the bottom of the first heat exchanger 93, and a first drain pipe extending to the outside of the casing is connected below the drain groove, which is not shown in the drawings, but those skilled in the art can understand the structure and put the drain groove and the first drain pipe at proper positions when in implementation; a second drain pipe 20 extending to the outside of the casing is connected to the bottom of the first dehumidifying air box 4.
This drying-machine still includes new trend fan 6, and new trend fan 6 sets up between heat exchanger 5 and second heat exchanger 92, and 6 air inlet sides of new trend fan link to each other with heat exchanger 5, and the opposite side is air-out one side promptly towards second heat exchanger 92. The new trend fan 6 sets up on the upper portion of first hydrofuge wind box 4, and the hydrofuge dryer 3 is two, sets up respectively in the both sides of new trend fan 6.
Example 2: in a drying room using the built-in dryer of embodiment 1, referring to fig. 6, a door 12 is provided on one wall of a drying room 16, and the built-in dryer is installed on the other wall opposite to the door 12, an embedded portion 17 of a casing of the built-in dryer is located inside the drying room 16, and an external portion 18 is located outside the drying room 16. A rain shield cover plate 10 is arranged above the moisture exhaust air port 19, and the rain shield cover plate 10 is fixedly arranged on the wall of the drying room 16; the contact part of the casing of the embedded dryer and the wall of the drying room 16 is in sealing connection.
An air duct partition plate 13 is horizontally arranged in the drying room 16, one end of the air duct partition plate 13 is hermetically connected with a wall body where the embedded dryer is located and is positioned at the top of the shell, and the lower surface of the air duct partition plate 13 is as high as the upper surface of the shell of the dryer; two side edges of the air duct partition plate 13 are hermetically connected with two side walls of the drying room 16; the air duct partition 13 divides the interior of the drying room into a drying air duct 15 at the lower part and a return air duct 14 at the upper part; openings with the same shape and size are arranged on the air duct partition plate 13 corresponding to the position of the return air inlet 2, and the upper end of the dehumidifying air duct 3 extends into the drying room.
Wherein, the length of the air duct partition plate 13 is 70-90% of the length of the drying room 16; the distance between the air inlet at the upper end of the moisture-removing air duct 3 and the top of the drying room 16 is 100-200 mm.
A temperature and humidity sensor is arranged in the return air duct 14; the wall body of the drying room and the air duct partition plate are both made of heat-insulating plates.
The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified.
The utility model discloses embedded drying-machine and supporting stoving room's concrete working method does: the loading pallet truck carrying the materials is sent into a drying air duct through a warehouse door, embedded dryers are started, and one or more dryers can be installed in each drying room; the heat pump unit in the drying-machine heats the air, and the heated air enters the drying air duct of the drying storehouse through the circulating fan to dry the materials in the drying air duct. In the drying air duct, hot air heats the materials on the material-carrying pallet truck and takes away moisture in the materials, air in the drying air duct enters the return air inlet through the return air duct, enters the dryer from the return air inlet, is heated and enters the drying air duct again through the circulating fan, and air circulation inside the drying room is realized.
When the humidity in the return air duct reaches a set value, the dehumidifying fan starts to work, and the damp and hot air in the return air duct firstly enters the dehumidifying air duct under the driving of the dehumidifying fan, then sequentially passes through the first dehumidifying air box, the heat exchanger and the second dehumidifying air box, and is discharged to the outside of the drying warehouse through the dehumidifying fan. Wherein, wet air in the moisture exhaust mechanism will be partially condensed into water drops, and the condensed water is exhausted to the outside of the embedded dryer through the second drain pipe.
The fresh air fan works when the moisture exhaust fan works, under the power provided by the fresh air fan, external fresh air entering the dryer shell through grid holes on two sides of the dryer shell firstly enters the heat exchanger, in the heat exchanger, moist hot air flowing in the moisture exhaust mechanism exchanges heat with external fresh air introduced by the fresh air fan, the preheating of the fresh air is realized, the preheated fresh air is heated through the second heat exchanger or the electric heating device, and the heated fresh air is supplemented into the drying room through the circulating fan and enters an air channel in the drying room for circulation. Under the effect of outdoor fan, the outdoor air enters into the dryer through the grid holes on the two sides of the shell of the external part of the dryer, and is discharged to the outside of the dryer through the outdoor fan after exchanging heat with the first heat exchanger, so that circulation is carried out to promote heat exchange between the outside fresh air and the first heat exchanger.
The utility model provides an embedded drying-machine and stoving room have designed and optimized from the several aspects of big wind channel circulation, hydrofuge and new trend for equipment structure is reasonable, and the on-the-spot simple installation, drying efficiency improves greatly.
The embodiments of the present invention have been described in detail with reference to the drawings and examples, but the present invention is not limited to the above embodiments, and can be modified or changed within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (10)
1. An embedded dryer is characterized by comprising a shell, wherein the shell comprises an embedded part installed in a drying room and an external part installed outside the drying room; the end face of the embedded part of the shell is provided with a circulating fan, and the end face of the external part of the shell is provided with an outdoor fan; an air return opening is formed in the top of the embedded part of the shell;
the shell is internally provided with a heat pump unit and a moisture removal mechanism, the heat pump unit comprises a compressor, a four-way reversing valve, a first heat exchanger, a drying filter, an expansion valve, a liquid separator, a second heat exchanger and a gas-liquid separator which are communicated through a pipeline, the first heat exchanger is arranged adjacent to the outdoor fan, and the second heat exchanger is arranged adjacent to the circulating fan;
the dehumidifying mechanism comprises a dehumidifying air duct arranged at the air return port and a first dehumidifying air box communicated with the bottom end of the dehumidifying air duct, the upper part of the first dehumidifying air box is sequentially communicated with a heat exchanger, a second dehumidifying air box and a dehumidifying fan, a dehumidifying air port is formed in the top of the external part of the shell, and the dehumidifying fan is arranged at the position of the dehumidifying air duct.
2. The embedded dryer as claimed in claim 1, further comprising a fresh air blower, wherein the fresh air blower is disposed between the heat exchanger and the second heat exchanger, an air inlet side of the fresh air blower is connected to the heat exchanger, and the other side of the fresh air blower faces the second heat exchanger; and grid holes for air circulation are respectively formed in two sides of the external part of the shell.
3. The embedded dryer as claimed in claim 2, wherein the fresh air blower is disposed at an upper portion of the first dehumidifying air box, and two dehumidifying air cylinders are disposed at two sides of the fresh air blower, respectively.
4. The embedded dryer according to claim 1, wherein in the heat pump unit, the exhaust port of the compressor is connected to port D of a four-way reversing valve, the return air port of the compressor is connected to the outlet of the gas-liquid separator, the inlet of the gas-liquid separator is connected to port S of the four-way reversing valve, port C of the four-way reversing valve is connected to the inlet of the second heat exchanger, port E of the four-way reversing valve is connected to the outlet of the first heat exchanger, the outlet of the second heat exchanger is connected to the drying filter, the other port of the drying filter is connected to the expansion valve, the other port of the expansion valve is connected to a liquid separator, and the liquid separator is connected to the inlet of the first heat exchanger.
5. The built-in dryer according to claim 1, wherein an electric heating device for auxiliary heating is further provided on the second heat exchanger.
6. The embedded dryer as set forth in claim 1, wherein the first heat exchanger, the second heat exchanger are any one of finned tube, plate-and-band, plate-and-fin, or microchannel air-cooled heat exchangers; the heat exchanger is a plate-fin sensible heat exchanger.
7. The built-in dryer according to claim 1, wherein a drain groove is provided at a bottom of the first heat exchanger, and a first drain pipe extending to an outside of the case is connected below the drain groove; and a second drain pipe extending to the outside of the shell is connected to the bottom of the first moisture exhausting bellows.
8. A drying room using the embedded dryer of claim 1, wherein a storehouse door is provided on one wall of the drying room, the embedded dryer is installed on the other wall opposite to the storehouse door, an embedded portion of a casing of the embedded dryer is located inside the drying room, and an external portion is located outside the drying room;
an air duct partition plate is horizontally arranged in the drying room, one end of the air duct partition plate is hermetically connected with a wall body where the embedded dryer is located and is positioned at the top of the shell, and two side edges of the air duct partition plate are hermetically connected with the wall bodies on two sides of the drying room; the air duct partition plate divides the drying room into a drying air duct at the lower part and a return air duct at the upper part; openings with the same shape and size are formed in the position, corresponding to the air return opening, of the air duct partition plate, and the upper end of the dehumidifying air duct extends into the drying room.
9. The drying room according to claim 8, wherein a rain-shielding cover plate is arranged above the moisture exhaust air port, and the rain-shielding cover plate is fixedly arranged on a wall body of the drying room; the part of the shell of the embedded dryer, which is contacted with the wall of the drying room, is in sealing connection; a temperature and humidity sensor is arranged in the return air duct; the wall body of the drying room and the air duct partition plate are both made of heat-insulating plates.
10. The drying room according to claim 8, wherein the length of the air duct partition is 70-90% of the length of the drying room; the distance between the air inlet at the upper end of the moisture-removing air duct and the top of the drying room is 100-200 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920823050.8U CN210220226U (en) | 2019-06-03 | 2019-06-03 | Embedded drying-machine and supporting stoving room |
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| CN201920823050.8U CN210220226U (en) | 2019-06-03 | 2019-06-03 | Embedded drying-machine and supporting stoving room |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208166A1 (en) * | 2020-04-13 | 2021-10-21 | 青岛理工大学 | Walnut shell air energy cross-flow box dryer and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208166A1 (en) * | 2020-04-13 | 2021-10-21 | 青岛理工大学 | Walnut shell air energy cross-flow box dryer and working method thereof |
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