CN210220600U - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
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- CN210220600U CN210220600U CN201920913547.9U CN201920913547U CN210220600U CN 210220600 U CN210220600 U CN 210220600U CN 201920913547 U CN201920913547 U CN 201920913547U CN 210220600 U CN210220600 U CN 210220600U
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- air duct
- heat exchanger
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- heat exchange
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Abstract
The utility model provides a heat exchange device, which comprises a housin, be equipped with at least one sensible heat exchanger in the casing, sensible heat exchanger falls into two mutual airtight hot-blast wind channels and cold wind channel with the cavity, and hot-blast wind channel and cold wind channel connect respectively two heat transfer wind channels of locating the sensible heat exchanger in the casing. The utility model discloses beneficial effect: the utility model can exchange heat between hot air and cold air entering the heat exchange device, the cold air absorbs the heat of the hot air to heat up, then enters the air inlet of the drying device, the air inlet temperature is improved, the influence of the too low air inlet temperature on the activity of microorganisms is prevented, meanwhile, oxygen is provided for aerobic activity of the microorganisms, the heat production of the microorganisms is improved, and the evaporation of the moisture of the material is accelerated; the shell is internally provided with the plurality of sensible heat exchangers, so that the aim of multi-stage heat exchange can be fulfilled, cold air and hot air are subjected to sufficient heat exchange, and the heat exchange efficiency is obviously improved.
Description
Technical Field
The utility model relates to a material drying equipment technical field, concretely relates to heat transfer device.
Background
When the agricultural and forestry waste is directly combusted for power generation, the stacked materials need to be dried in order to improve the heat value of the combusted materials, and the moisture in the materials is reduced, so that the combustion heat value of the materials is improved, and the power generation efficiency is improved. The existing fuel drying is mostly carried out by adopting the modes of air drying, airing and pouring. In order to accelerate the outward mass transfer of moisture of the materials and simultaneously utilize the heat generated by the activity of microorganisms in the material stacks to dry the materials, the invention provides a drying device, wherein a drying pipe frame with a ventilation pipe is arranged in the material stacks to accelerate the outward mass transfer of the moisture in the material stacks, and oxygen is provided for the microorganisms to perform aerobic fermentation to generate heat and accelerate the evaporation of bound water in the materials. This drying device is in the drying process, need provide the air that has certain temperature through the tuber pipe in to the material buttress, makes the microorganism maintain aerobic activity heat production state to and prevent that cold wind from restraining the microorganism activity. In the prior art, hot air supply equipment is usually an external heat source for heating, so that the energy consumption is high and the equipment investment is also high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is not enough to the above-mentioned that prior art exists, provide a heat transfer device, can utilize the temperature of air-out to heat the air inlet, the energy can be saved improves the heating effect.
The utility model aims at realizing through the following technical scheme: a heat exchange device comprises a shell, wherein at least one sensible heat exchanger is arranged in the shell, a cavity is divided into a hot air channel and a cold air channel which are mutually airtight by the sensible heat exchanger, and the hot air channel and the cold air channel are respectively connected with two heat exchange air channels of the sensible heat exchanger arranged in the shell; an air inlet of a cold air duct in the shell is communicated with the atmosphere, cold air enters a transverse heat exchange air duct of the sensible heat exchanger from the air inlet of the cold air duct and enters a hot water heat exchanger from an air outlet of the cold air duct, and then the cold air and hot water in the hot water heat exchanger are subjected to heat exchange and then discharged through an air outlet of the cold air duct; the air outlet of the hot air duct is communicated with the atmosphere, and hot air enters the longitudinal heat exchange air duct of the sensible heat exchanger from the air inlet of the hot air duct and is discharged into the atmosphere from the air outlet of the hot air duct; the shell is internally provided with a fan which is arranged at the air outlet of the cold air duct.
Furthermore, the number of the sensible heat exchangers is two, the hot air duct and the cold air duct are airtight, cold air sequentially enters the two sensible heat exchangers from an air inlet of the cold air duct and enters the hot water heat exchanger from an air outlet of the cold air duct, and then the cold air and hot water in the hot water heat exchanger are subjected to heat exchange and then discharged through an air outlet of the cold air duct; hot air enters the two sensible heat exchangers from the air inlet of the hot air duct in sequence and is discharged into the atmosphere from the air outlet of the hot air duct.
When the drying device is used, saturated wet air coming out of the air outlet of the drying device enters the hot air duct of the heat exchange device and enters the sensible heat exchanger, ambient air also enters the sensible heat exchanger through the cold air duct, cold and hot air carries out heat exchange in the sensible heat exchanger, hot air enters the air outlet of the hot air duct after being cooled and is discharged into the atmosphere, cold air is heated and then is discharged from the sensible heat exchanger and enters the hot water heat exchanger, the heat exchange is carried out in the hot water heat exchanger for further heating and heating, and finally the cold air is discharged through the air outlet of the cold air duct and enters the air inlet of the drying pipe frame.
The utility model discloses beneficial effect: the invention can exchange heat between hot air entering the heat exchange device and cold air, the cold air absorbs heat of the hot air to heat up, then enters the air inlet of the drying device to improve the air inlet temperature, so as to prevent the influence of the too low air inlet temperature on the activity of microorganisms, and simultaneously provide oxygen for aerobic activity of the microorganisms, improve the heat production of the microorganisms and accelerate the evaporation of moisture in materials; the multiple sensible heat exchangers are arranged in the shell, the purpose of multi-stage heat exchange can be achieved, cold air and hot air are subjected to sufficient heat exchange, and the heat exchange efficiency is obviously improved.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a perspective view of the present invention;
FIG. 3 is a front view of another embodiment of the present invention;
fig. 4 is a perspective view of another embodiment of the present invention;
1. a housing; 2. a sensible heat exchanger; 3. a hot water heat exchanger; 4. a hot air duct; 5. a cold air duct; 6. an air inlet of the cold air duct, 7, an air outlet of the cold air duct, 8, an air inlet of the hot air duct, 9, an air outlet of the hot air duct, 10 and a fan.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. 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 application belongs. The invention is explained in more detail below with reference to the figures and examples:
a heat exchange device as shown in fig. 1-2, which comprises a casing 1, wherein a sensible heat exchanger 2 (a sensible heat exchanger 4 belongs to the prior art and comprises a vertical heat exchange air duct and a transverse heat exchange air duct, the vertical heat exchange air duct and the transverse heat exchange air duct are arranged in a crossed manner but are not communicated), and a hot water heat exchanger 3 are arranged in the casing 1, the casing 1 is divided into a hot air duct 4 and a cold air duct 5 which are mutually airtight by the sensible heat exchanger 2, and the hot air duct 4 and the cold air duct 5 are respectively connected with the two heat exchange air ducts of the sensible heat exchanger 2 arranged in the casing 1; an air inlet 6 of a cold air duct in the shell 1 is communicated with the atmosphere, cold air enters a transverse heat exchange air duct of the sensible heat exchanger 2 from the air inlet 6 of the cold air duct and enters the hot water heat exchanger 3 from an air outlet 7 of the cold air duct, and then the cold air and hot water in the hot water heat exchanger 3 are subjected to heat exchange and then discharged through an air outlet of the cold air duct; the air outlet 9 of the hot air duct is communicated with the atmosphere, and hot air enters the longitudinal heat exchange air duct of the sensible heat exchanger 1 from the air inlet 8 of the hot air duct and is discharged into the atmosphere from the air outlet 9 of the hot air duct.
Be equipped with fan 10 in the casing 1, fan 10 sets up in the gas outlet 9 department in hot-blast wind channel, because hot-blast contain a large amount of wet cold vapor after the heat exchange, fan 10 sets up and can in time discharge wet cold air in the gas outlet 9 department in hot-blast wind channel, avoids steam to be detained in the casing in a large number.
The sensible heat exchanger 2 is arranged in the shell, the sensible heat exchanger 2 can be fixedly arranged in the shell 1 through welding, the sensible heat exchanger can also be fixedly connected with the shell through a partition plate, and the sensible heat exchanger 2 divides the shell 1 into two mutually airtight hot air channels 4 and a cold air channel 5. The sensible heat exchanger has a hexagonal prism shape and can also be a cuboid shape. Compared with a cuboid shape, the heat exchange channel of the sensible heat exchanger in the hexagonal prism shape with the same edge length is longer, the heat exchange area is larger, and therefore the heat exchange effect is better.
An air inlet 6 and an air outlet 9 of the cold air duct are arranged at one end of the shell 1, an air outlet 7 of the cold air duct is arranged at the other end of the shell 1, wherein the air inlet 6 of the cold air duct is composed of a plurality of air holes, and the air outlet 9 of the hot air duct is arranged below the air inlet 6 of the cold air duct; two air inlets 8 of the hot air duct are respectively positioned on two sides of the shell 1, so that hot air can be rapidly introduced into the sensible heat exchanger, and the heating rate of cold air is increased.
When the heat exchanger is used, hot air enters a hot air duct 4 of the heat exchanger and enters a sensible heat exchanger 2, ambient cold air also enters the sensible heat exchanger 2 through a cold air duct 5, cold and hot air carries out heat exchange in the sensible heat exchanger 2, the hot air enters an air outlet 9 of the hot air duct after being cooled and is exhausted into the atmosphere through a fan 10, the cold air enters a hot water heat exchanger after being subjected to heat exchange in the sensible heat exchanger to carry out next-stage heat exchange, and finally the cold air is exhausted from an air outlet 7 of the cold air duct.
As shown in fig. 3 and 4, the other heat exchange device is provided with two sensible heat exchangers 2, the inner cavity of the sensible heat exchanger shell is divided into two hot air ducts 4 and cold air ducts 5 which are mutually airtight, so that the residence time of cold and hot air in the shell is greatly prolonged, the cold and hot air can be subjected to multi-stage heat exchange, and the heat exchange efficiency is greatly improved.
The air inlet 6 of the cold air duct and the air outlet 9 of the hot air duct are arranged at one end of the shell 1, the air outlet 7 of the cold air duct is arranged at the other end of the shell 1, the air inlet 6 of the cold air duct is composed of a plurality of air holes, the air outlet 9 of the hot air duct is arranged above the air inlet 6 of the cold air duct, and the two air inlets 8 of the hot air duct are respectively arranged at two sides of the shell 1.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. A heat exchange device is characterized in that: the heat exchange device comprises a shell, at least one sensible heat exchanger is arranged in the shell, the sensible heat exchanger divides a cavity into a hot air duct and a cold air duct which are airtight to each other, and the hot air duct and the cold air duct are respectively connected with two heat exchange air ducts of the sensible heat exchanger arranged in the shell; an air inlet of a cold air duct in the shell is communicated with the atmosphere, cold air enters a transverse heat exchange air duct of the sensible heat exchanger from the air inlet of the cold air duct and enters a hot water heat exchanger from an air outlet of the cold air duct, and then the cold air and hot water in the hot water heat exchanger are subjected to heat exchange and then discharged from the air outlet of the cold air duct; the air outlet of the hot air duct is communicated with the atmosphere, and hot air enters the longitudinal heat exchange air duct of the sensible heat exchanger from the air inlet of the hot air duct and is discharged into the atmosphere from the air outlet of the hot air duct; the shell is internally provided with a fan which is arranged at the air outlet of the cold air duct.
2. The heat exchange device of claim 1, wherein: the two sensible heat exchangers are airtight, cold air enters the two sensible heat exchangers from an air inlet of the cold air duct and enters the hot water heat exchanger from an air outlet of the cold air duct in sequence, and then the cold air and hot water in the hot water heat exchanger are subjected to heat exchange and then discharged through an air outlet of the cold air duct; hot air enters the two sensible heat exchangers from the air inlet of the hot air duct in sequence and is discharged into the atmosphere from the air outlet of the hot air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920913547.9U CN210220600U (en) | 2019-06-18 | 2019-06-18 | Heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920913547.9U CN210220600U (en) | 2019-06-18 | 2019-06-18 | Heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210220600U true CN210220600U (en) | 2020-03-31 |
Family
ID=69932550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920913547.9U Expired - Fee Related CN210220600U (en) | 2019-06-18 | 2019-06-18 | Heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210220600U (en) |
-
2019
- 2019-06-18 CN CN201920913547.9U patent/CN210220600U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 Termination date: 20210618 |