CN217110389U - Drying unit based on solution dehumidification heat pump - Google Patents
Drying unit based on solution dehumidification heat pump Download PDFInfo
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- CN217110389U CN217110389U CN202220415709.8U CN202220415709U CN217110389U CN 217110389 U CN217110389 U CN 217110389U CN 202220415709 U CN202220415709 U CN 202220415709U CN 217110389 U CN217110389 U CN 217110389U
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Abstract
The utility model discloses a based on solution dehumidification heat pump drying unit, the power distribution box comprises a box body, the inboard one end of box is provided with air inlet system and air-out system, the inboard other end of box is provided with the stoving storehouse, stoving storehouse about both sides be provided with feed arrangement and discharging device respectively, stoving storehouse inboard be provided with drying assembly, set up the circulation wind channel around drying assembly, circulation wind channel one end both sides respectively with air inlet system and air-out headtotail. This based on solution dehumidification heat pump drying unit can utilize solution to dehumidify the air, utilizes the heat pump to heat the air to 60 ~ 80 degrees after, sends into drying unit, from the air supply of bottom air supply passageway, through two sets of stainless steel guipure, dries the material on the stainless steel guipure. The heat pump is fully and efficiently utilized as a drying heat source, the solution dehumidification is used as a dehumidification means, the energy cost of drying is greatly reduced, the application area of the solution dehumidification technology is expanded, and the heat pump drying system is energy-saving, environment-friendly and high in practicability.
Description
Technical Field
The utility model relates to a drying equipment technical field specifically is a based on solution dehumidification heat pump drying unit.
Background
The dryer is a combination of a series of mechanical devices for drying moisture or other liquid on the surface of an object by a certain technical means, and the current main drying technology comprises hot air drying and the like, and is widely applied to the fields of coal slime drying, vinasse drying, forage grass drying, ore sand drying, quartz sand drying, yellow sand drying, cast sand drying, calcium carbonate drying and the like.
The most common single-drum rotary dryer is found to have high energy consumption in practical use, and with the development of economic construction, particularly under the background of carbon peak reaching and carbon neutralization proposed by the nation, the single-drum dryer needs to fully save energy. The existing low-temperature drying field can fully utilize the heat pump technology, heat is taken from return air, cooling and dehumidification are carried out, and the dehumidified dry cold air is heated by utilizing a heat pump unit for drying.
Solution dehumidification is generally used in the field of building energy conservation, is generally used in an air conditioning system with independent temperature and humidity, and has a remarkable energy-saving effect. After the solution dehumidification and the solution regeneration process, the moisture in the required drying material can be fully absorbed. The heat pump drying system can also be combined with natural climate conditions, and can be used for drying materials after being directly heated in an outdoor low-humidity environment so as to further save energy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a based on solution dehumidification heat pump drying unit to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a drying unit based on a solution dehumidification heat pump comprises a box body, wherein an air inlet system and an air outlet system are arranged at one end of the inner side of the box body, a drying bin is arranged at the other end of the inner side of the box body, a feeding device and a discharging device are respectively arranged on the upper side and the lower side of the drying bin, a drying assembly is arranged on the inner side of the drying bin, a circulating air channel is arranged around the drying assembly, and two sides of one end of the circulating air channel are respectively connected with the air inlet system and the air outlet system; the air inlet system comprises a solution dehumidification section, a dehumidification heat pump system, a drying heat pump system and an air supply fan; the air outlet system comprises an air return fan, a drying heat pump system and a solution regeneration section.
Preferably, the solution regeneration section comprises a regeneration core body, a dilute solution spray drain, a concentrated solution pool and a solution dehumidifying pump.
Preferably, the solution dehumidifying section comprises a dehumidifying core body, a concentrated solution spray drain, a dilute solution pool and a solution regeneration pump.
Preferably, the drying heat pump system comprises an independent compressor refrigeration cycle consisting of a drying compressor, a first fin evaporator, a second fin evaporator, a first fin condenser, a second fin condenser, a drying and drying filter, a drying expansion valve, a first refrigeration solenoid valve, a second refrigeration solenoid valve, a third refrigeration solenoid valve and a fourth refrigeration solenoid valve.
Preferably, the second fin condenser and the first fin evaporator are respectively arranged at two ends of the solution regeneration section, and the first fin evaporator is adjacent to the air outlet.
Preferably, the first fin condenser and the second fin evaporator are respectively arranged at two ends of the re-solution dehumidification section, and the second fin evaporator is adjacent to the air inlet.
Preferably, the dehumidification heat pump system comprises a dehumidification compressor, a titanium pipe evaporator, a titanium pipe condenser, a dehumidification drying filter, a dehumidification expansion valve and a refrigeration pipeline, and an independent compressor refrigeration cycle is formed.
Preferably, the drying assembly comprises a dryer box body, an air supply channel, a first stainless steel mesh belt, a second stainless steel mesh belt, a hopper and an air return channel.
Compared with the prior art, the beneficial effects of the utility model are that: this based on solution dehumidification heat pump drying unit can utilize solution to dehumidify the air, utilizes the heat pump to heat the air to 60 ~ 80 degrees after, sends into drying unit, from the air supply of bottom air supply passageway, through two sets of stainless steel guipure, dries the material on the stainless steel guipure. And filtering the dried high-humidity airflow, reheating the airflow for solution regeneration, and dehumidifying the regenerated solution. The drying heat pump can absorb heat from the environment and can also take heat from return air after the solution regeneration. The invention combines the solution dehumidification and regeneration technology and the compression type refrigeration heat pump technology, fully and efficiently utilizes the heat pump as a drying heat source, takes the solution dehumidification as a dehumidification means, greatly reduces the energy cost of drying, expands the application area of the solution dehumidification technology, is energy-saving and environment-friendly, and has strong practicability.
Compared with the traditional hot air drying or heat pump drying technology, the mode can also fully utilize natural conditions for drying, greatly reduce the energy consumption of system operation, save energy, reduce emission, is economical and environment-friendly, has very strong practicability, and can generate better economic benefit and social effect.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
In the figure: 1. an air outlet, 2, a first fin evaporator, 3, a refrigerant return air pipeline, 4, a box body, 5, a titanium tube evaporator, 6, a dilute solution spray row, 7, a regeneration core body, 8, a solution dehumidifying pump, 9, a concentrated solution tank, 10, a second fin condenser, 11, a return air fan, 12, a return air filter screen, 13, a return air channel, 14, a hopper, 15, a feeding device, 16, a first stainless steel mesh belt, 17, a second stainless steel mesh belt, 18, a discharging device, 19, an air supply channel, 20, an air supply fan, 21, a first refrigeration electromagnetic valve, 22, a second refrigeration electromagnetic valve, 23, a first fin condenser, 24, a drying and drying filter, 25, a drying and expansion valve, 26, a third refrigeration electromagnetic valve, 27, a drying compressor, 28, a fourth refrigeration electromagnetic valve, 29, a concentrated solution spray row, 30, a dehumidifying core body, 31, a dilute solution tank, 32, a concentrated solution spray row, a second refrigeration electromagnetic valve, a second refrigeration valve, a second refrigeration valve, a second refrigeration valve, a second refrigeration valve, a, The system comprises a solution regeneration pump, 33, a titanium pipe condenser, 34, a dehumidification drying filter, 35, a dehumidification expansion valve, 36, a dehumidification compressor, 37, a second fin evaporator, 38, an air inlet filter, 39 and an air inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
as shown in fig. 1, a solution-based dehumidifying heat pump drying unit comprises a box body 4, wherein an air inlet system and an air outlet system are arranged at one end of the inner side of the box body, a drying bin is arranged at the other end of the inner side of the box body, a feeding device 15 and a discharging device 18 are respectively arranged at the upper side and the lower side of the drying bin, a drying assembly is arranged at the inner side of the drying bin, a circulating air duct is arranged around the drying assembly, and two sides of one end of the circulating air duct are respectively connected with the air inlet system and the air outlet system; the air inlet system comprises a solution dehumidification section, a dehumidification heat pump system, a drying heat pump system and an air supply fan 20; the air outlet system comprises an air return fan 11, a drying heat pump system and a solution regeneration section.
Outdoor fresh air enters the unit through an air inlet 39 of the solution dehumidification section, passes through an air inlet filter 38, by detecting the temperature of the inlet air and the temperature of the return air flow to compare, if the temperature of the inlet air is higher than the temperature of the return air flow after the solution regeneration, the third refrigeration solenoid valve 26 is opened and the drying heat pump uses the first fin evaporator 2 as the drying heat source, such as if the incoming air temperature is lower than the return air temperature after solution regeneration, the fourth refrigeration electromagnetic valve 28 is opened, the drying heat pump uses the first fin evaporator 37 as the drying heat source, after the inlet air flow enters the solution dehumidification section, the dehumidification core 30 and the hygroscopic solution from the concentrated solution spray row 29 are subjected to heat and moisture exchange to form dry air with moisture content of about 8g/kg, the solution becomes dilute solution after moisture absorption and falls into a dilute solution pool 31, under the action of the solution regeneration pump 32, the solution enters a solution regeneration section for solution regeneration after being heated by a titanium tube condenser 33.
The circulating air duct is composed of two parts, namely an air supply channel 19 and an air return channel 13.
The low-temperature air is heated to 60-80 degrees through a first fin condenser 23 of the drying heat pump system, hot air flow with low air speed is formed through an air supply hole in an air supply channel 19 under the action of an air supply fan 20, the hot air flow passes through an air return channel 13 and an air return filter screen 12 through a second stainless steel mesh belt 17 and a first stainless steel mesh belt 16 respectively, the air return is filtered and then enters a solution regeneration section after being heated through a second fin condenser 10 under the action of an air return fan 11.
In the solution regeneration section, heated dilute solution from the solution dehumidification section enters a regeneration core body 7 through a dilute solution spray row 6 to perform heat and humidity exchange with return air, the concentrated solution enters a concentrated solution pool 9, and the concentrated solution enters the solution dehumidification section again after being cooled by a titanium tube evaporator 5 under the action of a solution dehumidification pump 8. The return air finally passes through the second fin evaporator 37 and then is exhausted out of the unit from the exhaust port 1.
The drying heat pump system comprises a drying compressor 27, wherein the drying compressor 27 is communicated with a first fin evaporator 2, a second fin evaporator 37, a first fin condenser 23, a second fin condenser 10 and a drying filter 24 through a refrigerant return gas pipeline 3, and is controlled by a drying expansion valve 25, a first refrigeration electromagnetic valve 21, a second refrigeration electromagnetic valve 22, a third refrigeration electromagnetic valve 26 and a fourth refrigeration electromagnetic valve 28 to form an independent compressor refrigeration cycle.
The second finned condenser 10 and the first finned evaporator 2 are respectively arranged at two ends of the solution regeneration section, and the first finned evaporator 2 is adjacent to the air outlet 1. The first finned condenser 23 and the second finned evaporator 37 are respectively arranged at two ends of the re-solution dehumidification section, and the second finned evaporator 37 is adjacent to the air inlet 39.
The dehumidifying heat pump system comprises a dehumidifying compressor 36, a titanium tube evaporator 5, a titanium tube condenser 33, a dehumidifying dry filter 34, a dehumidifying expansion valve 35 and a refrigerating pipeline which form an independent compressor refrigerating cycle.
The drying component comprises a dryer box body, an air supply channel 19, a first stainless steel mesh belt 16, a second stainless steel mesh belt 17, a hopper 14 and an air return channel 13, wherein materials to be dried from the hopper 14, such as sludge, biological fertilizer, food and the like, fall onto the first stainless steel mesh belt 16 after entering a feeding device 15, and finally are discharged out of the dryer unit from a discharging device 18 after heat and humidity exchange is carried out on the materials and the low humidity heat pump from the air supply channel 19 after falling into the second stainless steel mesh belt 17 and being dried again.
This scheme can make full use of solution hygroscopic property, reduces the moisture content of air after, recycles the heat pump and heats the air to 60 ~ 80 degrees after, sends into drying unit, from the air supply of bottom air supply passageway, through two sets of stainless steel guipure, dries the material on the stainless steel guipure. And filtering the dried high-humidity airflow, reheating the airflow for solution regeneration, and dehumidifying the regenerated solution. The drying heat pump can absorb heat from the environment and can also take heat from return air after the solution regeneration. The invention combines the solution dehumidification and regeneration technology and the compression type refrigeration heat pump technology, fully and efficiently utilizes the heat pump as a drying heat source, takes the solution dehumidification as a dehumidification means, greatly reduces the energy cost of drying, expands the application area of the solution dehumidification technology, is energy-saving and environment-friendly, and has strong practicability.
Compared with the traditional hot air drying or heat pump drying technology, the mode can also fully utilize natural conditions for drying, greatly reduce the energy consumption of system operation, save energy, reduce emission, is economical and environment-friendly, has very strong practicability, and can generate better economic benefit and social effect.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defined as "first", "second" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a based on solution dehumidification heat pump drying unit, includes the box, its characterized in that: an air inlet system and an air outlet system are arranged at one end of the inner side of the box body, a drying bin is arranged at the other end of the inner side of the box body, a feeding device and a discharging device are respectively arranged on the upper side and the lower side of the drying bin, a drying assembly is arranged on the inner side of the drying bin, a circulating air duct is arranged around the drying assembly, and two sides of one end of the circulating air duct are respectively connected with the air inlet system and the air outlet system;
the air inlet system comprises a solution dehumidification section, a dehumidification heat pump system, a drying heat pump system and an air supply fan (20);
the air outlet system comprises an air return fan (11), a drying heat pump system and a solution regeneration section.
2. The solution-based dehumidifying heat pump drying unit according to claim 1, wherein: the solution regeneration section comprises a regeneration core body (7), a dilute solution spraying row (6), a concentrated solution pool (9) and a solution dehumidifying pump (8).
3. The solution-based dehumidifying heat pump drying unit according to claim 1, wherein: the solution dehumidification section comprises a dehumidification core body (30), a concentrated solution spray row (29), a dilute solution pool (31) and a solution regeneration pump (32).
4. The solution-based dehumidifying heat pump drying unit according to claim 1, wherein: the drying heat pump system comprises a drying compressor (27), a first fin evaporator (2), a second fin evaporator (37), a first fin condenser (23), a second fin condenser (10), a drying and drying filter (24), a drying expansion valve (25), a first refrigeration electromagnetic valve (21), a second refrigeration electromagnetic valve (22), a third refrigeration electromagnetic valve (26) and a fourth refrigeration electromagnetic valve (28) which form an independent compressor refrigeration cycle.
5. The solution-based dehumidifying heat pump drying unit according to claim 4, wherein: the second fin condenser (10) and the first fin evaporator (2) are respectively arranged at two ends of the solution regeneration section, and the first fin evaporator (2) is adjacent to the air outlet (1).
6. The solution-based dehumidifying heat pump drying unit according to claim 4, wherein: the first fin condenser (23) and the second fin evaporator (37) are respectively arranged at two ends of the re-solution dehumidification section, and the second fin evaporator (37) is adjacent to the air inlet (39).
7. The solution-based dehumidifying heat pump drying unit according to claim 1, wherein: the dehumidification heat pump system comprises a dehumidification compressor (36), a titanium tube evaporator (5), a titanium tube condenser (33), a dehumidification drying filter (34), a dehumidification expansion valve (35) and a refrigeration pipeline, which form an independent compressor refrigeration cycle.
8. The solution-based dehumidifying heat pump drying unit according to claim 1, wherein: the drying component comprises a dryer box body, an air supply channel (19), a first stainless steel mesh belt (16), a second stainless steel mesh belt (17), a hopper (14) and an air return channel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220415709.8U CN217110389U (en) | 2022-02-28 | 2022-02-28 | Drying unit based on solution dehumidification heat pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220415709.8U CN217110389U (en) | 2022-02-28 | 2022-02-28 | Drying unit based on solution dehumidification heat pump |
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| CN217110389U true CN217110389U (en) | 2022-08-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115371410A (en) * | 2022-02-28 | 2022-11-22 | 沈阳澳蓝节能科技有限公司 | Drying unit based on solution dehumidification heat pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115371410A (en) * | 2022-02-28 | 2022-11-22 | 沈阳澳蓝节能科技有限公司 | Drying unit based on solution dehumidification heat pump |
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Address after: 110000 Room 102, No. 107 (gate 3), Dongbei Road, Dadong District, Shenyang, Liaoning Patentee after: Liaoning Yuanliang Low Carbon Energy Saving Technology Co.,Ltd. Address before: 110000 Room 102, No. 107 (gate 3), Dongbei Road, Dadong District, Shenyang, Liaoning Patentee before: Shenyang Aolan Energy Saving Technology Co.,Ltd. |
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