CN211552125U

CN211552125U - Air source evaporator for grain drying

Info

Publication number: CN211552125U
Application number: CN202020123983.9U
Authority: CN
Inventors: 黄永立
Original assignee: Baolianhua Seven Color New Energy Jiangsu Co ltd
Current assignee: Sanop new energy (Jiangsu) Co., Ltd
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-09-22
Anticipated expiration: 2030-01-18

Abstract

The utility model relates to a grain is dried and is used air source evaporimeter, include: the air conditioner comprises a box body, wherein one end of the box body is provided with an air return port flange, the other end of the box body is provided with an air outlet flange, an evaporator is arranged in the box body, a filtering device is arranged between the evaporator and the air return port flange, an air exhausting device is arranged between the evaporator and the air outlet flange, and an electric heater is arranged between the filtering device and the evaporator. The utility model discloses an electric heater's heating function realizes preheating the air that gets into the evaporimeter, avoids evaporimeter air inlet temperature too low to cause the evaporimeter to frost, has guaranteed the normal operating of evaporimeter, improves the heat transfer efficiency of evaporimeter, prolongs its life simultaneously.

Description

Air source evaporator for grain drying

Technical Field

The utility model belongs to the technical field of the grain stoving technique and specifically relates to a grain is dried and is used air source evaporimeter is related to.

Background

Grain drying is a necessary link for grain storage, and approaches for drying grains for a long time mainly comprise two modes of natural airing and heat source drying. In the prior art, a heat pump dryer mainly comprises an open heat pump drying system. The evaporator in the open heat pump drying system is arranged outside the drying room, the system absorbs heat in external (environment) air through the evaporator and heats the air through the condenser to obtain high-temperature air which is supplied to the grain dryer (drying tower), and grain drying is realized. The disadvantages of this system are: the evaporator has a severe service environment (serious dust) and serious attenuation of heat transfer efficiency, which leads to insufficient or unstable air supply temperature of a unit, and the heat exchange quantity of the evaporator is greatly influenced by the ambient temperature, and the efficiency is extremely low particularly under the low-temperature working condition in winter.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides an air source evaporimeter is used in grain stoving.

The utility model provides a technical scheme that its technical problem adopted is: an air source evaporator for drying grain, comprising: the novel air conditioner comprises a box body, wherein one end of the box body is provided with a fresh air port flange, the other end of the box body is provided with an air outlet flange, an evaporator is arranged in the box body, a fresh air primary filter is arranged between the evaporator and the fresh air port flange, an air exhaust device is arranged between the evaporator and the air outlet flange, and an electric heater is arranged between the fresh air primary filter and the evaporator.

In a preferred embodiment of the present invention, a spraying device is disposed on the top of the evaporator inside the box, and a water receiving tank is disposed at the bottom of the box and located at the lower portion of the evaporator.

In a preferred embodiment of the present invention, the bottom end and the top end of the evaporator are respectively connected to the fluorine inlet and the fluorine outlet, and the fluorine inlet and the fluorine outlet are respectively provided with a stop valve.

In a preferred embodiment of the present invention, the exhaust device comprises an exhaust fan and an air pipe, and the exhaust fan and the air outlet flange are connected to two ends of the air pipe respectively.

In a preferred embodiment of the present invention, the evaporator is a finned evaporator.

In a preferred embodiment of the present invention, a return air inlet flange is further provided on one side of the box body where the fresh air inlet flange is provided, and a return air valve, a cloth bag type middle-effect filter and a high efficiency filter are sequentially provided between the return air inlet flange and the electric heater.

The utility model has the advantages that: the utility model discloses an electric heater's heating function realizes preheating the air that gets into the evaporimeter, avoids the too low evaporimeter frosting that causes of air inlet temperature in the evaporimeter, has guaranteed the normal operating of evaporimeter, improves the heat transfer efficiency of evaporimeter, prolongs its life simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The first embodiment is as follows: as shown in fig. 1, an air source evaporator for drying grain comprises: the box 5, the one end of box 5 is equipped with new wind gap flange 16, and the other end is equipped with air exit flange 11, be equipped with evaporimeter 7 in the box, be equipped with new trend primary filter 15 between evaporimeter 7 and new wind gap flange 16, be equipped with exhaust device between evaporimeter 7 and air exit flange 11, new trend primary filter 15 and evaporimeter 7 are equipped with electric heater 6 between, and when the new trend temperature was low, improve evaporimeter air inlet temperature through electric heater 6, reach and avoid the unit to frequently change frost, improve the effect that the complete machine operation energy efficiency is compared.

Air enters the box body through the fresh air port flange 16, most dust and impurities in the air are filtered by the fresh air primary filter firstly, the filtered air is cooled through the evaporator, heat in the air is absorbed by the evaporator, the cooled air is discharged through the exhaust device, condensed water generated in the heat absorption process on the surface of the evaporator falls onto the water receiving tank, and therefore the heat absorption process of the evaporator on the heat in the air is completed; because be equipped with electric heater between new trend primary filter and evaporimeter, preheat the air before the evaporimeter promptly, avoid the air temperature too low to cause the evaporimeter to frost.

Example two: the top end of the evaporator 7 in the box body 5 is provided with a spraying device 13, the spraying device is connected with a water pipe, a waterway stop valve 14 is arranged on the water pipe, the bottom end of the box body 5 is provided with a water receiving tank 8, and the water receiving tank 8 is positioned at the lower part of the evaporator 7. After the evaporator works for a long time, a large amount of fine impurities and dust can be adhered to the surface of the evaporator 7, and at the moment, the spraying device can be started to clean the surface of the evaporator so as to ensure the heat transfer effect of the evaporator.

The bottom end and the top end of the evaporator 7 are respectively connected with a fluorine path inlet 1201 and a fluorine path outlet 1202, and stop valves are respectively arranged at the fluorine path inlet 1201 and the fluorine path outlet 1202 to ensure the normal operation of the whole machine on-line.

The exhaust device comprises an exhaust fan 9 and an air pipe 10, the two ends of the air pipe 10 are respectively connected with the exhaust fan 9 and an exhaust port flange 11, and the cooled air is exhausted through the exhaust device.

The evaporator 7 is a finned evaporator. Still be equipped with return air inlet flange 1 on the box one side that sets up new wind gap flange 16, be equipped with return air valve 2, cloth bag formula middle efficiency between return air inlet flange 1 and electric heater 6 in proper order and filter 3 and high efficiency filter 4, specifically, the high efficiency filter 4 frame is high-quality aluminium alloy or high-quality galvanized steel sheet, and the filter material adopts very careful glass fiber to make, and the division board divide into paper baffle or aluminium foil division board, is favorable to fully filtering most dust in the air. And a return air valve 2 is also arranged between the cloth bag filter and the return air inlet flange and is closed when the return air is not connected.

The utility model discloses compare with the evaporimeter among the open heat pump drying system of tradition outside the baking house, set up the evaporimeter in the box, avoid the more air of evaporimeter direct contact dust content, reduce the dust on the evaporimeter and adhere to. The utility model discloses when using, the air reachs electric heater after filter equipment filters at first, preheat the air through electric heater, air and evaporimeter contact after preheating, through the heat in the evaporimeter siphons away the air, then with air escape, the evaporimeter is thermal in-process in the absorption air, because the evaporation tank is at the scene that grain was dried, the dust is great, even the air has been filtered by filter equipment before contacting with the evaporimeter, but still there is some tiny granule or impurity to glue on the evaporimeter surface. In order to wash adnexed dust or impurity on the evaporimeter, the utility model discloses a set up spray set on the top of evaporimeter, reach the purpose of wasing the evaporimeter, guarantee the heat transfer efficiency of evaporimeter.

The utility model discloses an electric heater's heating function realizes preheating the air that gets into the evaporimeter, and the temperature of avoiding getting into the evaporimeter is too low to cause the evaporimeter to frost, reaches and avoids the unit to frequently change the frost, improves the effect of complete machine operation energy efficiency ratio, guarantees unit air supply temperature value and air supply temperature precision simultaneously.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims

1. An air source evaporator for drying grain is characterized by comprising: the novel air conditioner comprises a box body, wherein one end of the box body is provided with a fresh air port flange, the other end of the box body is provided with an air outlet flange, an evaporator is arranged in the box body, a fresh air primary filter is arranged between the evaporator and the fresh air port flange, an air exhaust device is arranged between the evaporator and the air outlet flange, and an electric heater is arranged between the fresh air primary filter and the evaporator.

2. The air source evaporator for grain drying as claimed in claim 1, wherein a spraying device is provided at the top end of the evaporator in the box body, a water receiving tank is provided at the bottom end of the box body, and the water receiving tank is located at the lower part of the evaporator.

3. The air source evaporator for grain drying according to claim 2, wherein the bottom end and the top end of the evaporator are respectively connected with a fluorine path inlet and a fluorine path outlet, and the fluorine path inlet and the fluorine path outlet are respectively provided with a stop valve.

4. The air source evaporator for grain drying according to claim 2, wherein the air exhaust device comprises an air exhaust fan and an air pipe, and both ends of the air pipe are respectively connected with the air exhaust fan and the air outlet flange.

5. The air source evaporator for grain drying as claimed in claim 1, wherein the evaporator is a fin type evaporator.

6. The air source evaporator for grain drying as claimed in claim 3, wherein a return air inlet flange is further provided on one side of the case body where the fresh air inlet flange is provided, and a return air valve, a cloth bag type middle effect filter and a high efficiency filter are sequentially provided between the return air inlet flange and the electric heater.