CN206724593U - A kind of air circulation recovering mechanism of baking room - Google Patents

Abstract

The utility model provides an air circulation recovery mechanism for a drying room, including a drying room body and a drying device. The drying device is installed in the drying room body, and a heat recovery exchange device is arranged outside the drying room. The outlet of the recovered cold air is connected to the air inlet of the drying device, and the inlet of the heat recovery hot air of the heat recovery exchange device is connected to the drying room to effectively recover the exhausted gas in the drying room. The recovered gas containing waste heat and The supplementary cold air is heat-exchanged in the heat recovery exchange device, making full use of the sensible heat and latent heat of the exhaust gas to preheat the supplementary gas, improving the thermal efficiency of the drying device, reducing the drying time, reducing the drying cost, and ensuring the effect of drying materials.

Description

An air circulation recovery mechanism for a drying room

technical field

The utility model relates to the field of air source drying room manufacturing, in particular to an air circulation recovery mechanism for a drying room.

Background technique

Now most of the industrial production, food production and agricultural and sideline product processing need drying and dehumidification, especially wood drying, aquatic product drying, tobacco drying, Chinese herbal medicine drying, tea drying, etc.

At present, the air source drying room generally includes a drying room body and a drying device, and the drying device generally includes a heat exchange compressor assembly, a dehumidification assembly and a heat exchanger assembly, and a heat exchange compressor assembly, a dehumidification assembly and a heat exchanger assembly. The components are respectively installed in the drying room. The air in the drying room is heated through the heat exchanger assembly, and the heated air is delivered to the drying room. At the same time, the heated air passes through the dehumidification component to remove the moisture in the middle, so as to achieve the dry high-temperature gas required in the drying room.

In actual operation, the air entering the drying room is heated by the drying device, and the heated high-temperature gas dries the materials in the drying room and is directly discharged outside the drying room. The discharged gas still contains a relatively high temperature, and it is obvious that the sensible heat in the high-temperature gas has not been fully utilized. What is more noteworthy is that the high-temperature gas will release a large amount of latent heat during heat exchange, which is completely useless. For this reason, the traditional way of exhausting gas in the drying room is likely to cause serious heat loss in the drying room, and it is necessary to increase the heating power of the drying device to heat the supplementary gas, otherwise it is difficult to reach the temperature of the drying material and affect the drying effect.

Contents of the invention

The purpose of this utility model is to overcome the deficiencies of the prior art, provide a simple structure, make full use of the sensible heat and latent heat of the exhaust gas, improve the efficiency of heat energy recovery, so as to improve the thermal efficiency of the drying device, reduce the drying time and ensure the material The air circulation recovery mechanism of the drying room with the best drying effect.

The purpose of the invention of the utility model is achieved as follows: an air circulation recovery mechanism for a drying room, including a drying room body and a drying device, wherein the drying device is installed in the drying room body, and the drying room is outside the drying room. A heat recovery exchange device is provided, the heat recovery cold air outlet end of the heat recovery exchange device communicates with the air inlet end of the drying device, and the heat recovery hot air inlet end of the heat recovery exchange device communicates with the drying room.

According to the above optimization, the drying room includes a heating air source room, a material drying room and a recovery air duct. The drying device is installed in the heating air source room. The heat recovery hot air inlet port of the heat recovery exchange device is connected with the recovery air duct, the air inlet end of the recovery air duct is connected with the material drying chamber, and the air inlet end of the material drying chamber is connected with the air outlet end of the heating air source chamber. connected.

According to the above optimization, the air inlet end of the drying device communicates with the air outlet end of the recovery air duct, and the air outlet end of the drying device communicates with the air inlet end of the material drying chamber.

According to the above optimization, the material drying chamber is provided with an air outlet connected to the air inlet end of the recovery air duct, and the air outlet is arranged at the top rear end of the material drying chamber.

According to the above optimization, the air inlet end of the material drying chamber is equipped with several air inlet circulation fans, and the air inlet circulation fans are respectively installed on one of the side walls of the material drying chamber.

Optimized according to the above, the heat recovery exchange device includes a heat exchange chamber, an air inlet pipe and an exhaust pipe, the air inlet pipe and the exhaust pipe are installed on the heat exchange chamber, and the heat exchange chamber is equipped with an air inlet pipe, an exhaust pipe The air inlet and exhaust port connected by the pipe, the air outlet of the air inlet pipe is connected with the air inlet end of the drying device, and the air inlet of the exhaust pipe is connected with the recovery air duct of the drying room body.

Optimizing according to the above, the air inlet pipe is fitted with an air inlet fan.

Optimizing according to the above, an exhaust fan is fitted on the air outlet.

Optimized according to the above, the air inlet, heat exchange chamber, and air inlet pipe form a heat recovery air inlet path for inputting air source into the material drying chamber of the drying room, and the exhaust pipe, heat exchange chamber, and air exhaust The opening forms a heat recovery exhaust air path that meets the heat recovery air intake path.

The utility model has the advantages that: the exhaust gas in the drying room is recovered through the heat recovery exchange device, so that the recovered gas containing waste heat and the supplemented cold air are heat-exchanged in the heat recovery exchange device, and the exhaust gas is fully utilized. The heat and latent heat preheat the supplementary gas, improve the thermal efficiency of the drying device, reduce the drying time, reduce the drying cost, and ensure the effect of drying materials at the same time.

Description of drawings

Accompanying drawing 1 is the structure diagram of the first embodiment of the utility model.

Accompanying drawing 2 is the plan view of the first embodiment of the utility model.

Accompanying drawing 3 is the sectional view of the first embodiment of the utility model.

Accompanying drawing 4 is the structure diagram of the second embodiment of the utility model.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described.

According to the accompanying drawings 1 to 3 , the air circulation recovery mechanism of the drying room of the present invention includes a drying room body 1 and a drying device 2 . The drying device 2 includes a heat exchange compressor assembly, a dehumidification assembly and a heat exchanger assembly, and the heat exchange compressor assembly, dehumidification assembly and heat exchanger assembly are adapted and installed in the drying room 1 . The heat exchanger component is used to heat the gas to reach the drying temperature, and the dehumidification component is used to detemperature the high-temperature gas to meet the temperature and humidity requirements of the drying material.

Wherein, the drying device 2 is installed in the drying room 1, and a heat recovery exchange device 3 is arranged outside the drying room 1. The heat recovery cold air outlet port of the heat recovery exchange device 3 communicates with the air inlet end of the drying device 2 , and the heat recovery hot air inlet port of the heat recovery exchange device 3 communicates with the drying room body 1 . Utilize the heat recovery exchange device 3 to recycle the discharged gas in the drying room body 1, so that the recovered gas containing waste heat and the supplemented cold air perform heat exchange in the heat recovery exchange device 3, making full use of the sensible heat and heat of the exhaust gas. The latent heat preheats the supplementary gas, improves the thermal efficiency of the drying device 2, reduces the drying time, reduces the drying cost, and at the same time ensures the effect of drying materials.

2 and 3 , further detailed, the drying room 1 includes a heating air source chamber 11 , a material drying chamber 12 and a recovery air duct 13 . The air inlet end of the recovery air duct 13 communicates with the material drying chamber 12, the air inlet end of the material drying chamber 12 communicates with the air outlet end of the heating air source chamber 11, and the air inlet end of the heating air source chamber 11 communicates with the recycling The air outlet end of the air duct 13 is connected. Wherein, the drying device 2 is installed in the heating air source chamber 11, the air inlet end of the drying device 2 is connected with the air outlet end of the recovery air duct 13, and the air outlet end of the drying device 2 is connected with the inlet of the material drying chamber 12. The air end is connected. Moreover, the air inlet end of the material drying chamber 12 is fitted with a plurality of air inlet circulation fans 5 , and the air inlet circulation fans 5 are installed on one side wall of the material drying chamber 12 respectively. During operation, under the action of the air inlet circulation fan 5, the high-temperature dry gas is quickly distributed in the material drying chamber 12, so as to speed up the air circulation and ensure the drying effect of the material at the same time.

During this period, the heat recovery cold air outlet port of the heat recovery exchange device 3 communicates with the heating air source chamber 11 , and the heat recovery hot air inlet port of the heat recovery exchange device 3 communicates with the recovery air duct 13 . In practical application, the heat recovery exchange device 3 includes a heat exchange chamber 31 , an air inlet pipe 32 and an air exhaust pipe 33 . The air inlet pipe 32 and the air exhaust pipe 33 are installed on the heat exchange chamber 31, and the heat exchange chamber 31 has an air inlet 34 and an air outlet 35 communicating with the air inlet pipe 32 and the air exhaust pipe 33, and the air inlet pipe 32 The air outlet of the air outlet is communicated with the air inlet end of the drying device 2, and the air inlet of the exhaust pipe 33 is communicated with the recovery air duct 13 of the drying room body 1. Moreover, the air inlet pipe 32 is fitted with an air inlet fan 6 , and the air outlet 35 is fitted with an exhaust fan 7 . During operation, under the action of the air inlet fan 6, the air inlet 34, the heat exchange chamber 31, and the air inlet pipe 32 form a heat recovery air inlet path 8 for inputting an air source into the material drying chamber 12 of the drying room body 1 Under the action of the exhaust fan 7, the exhaust pipe 33, the heat exchange chamber 31, and the air outlet 35 form a heat recovery exhaust path 9 that intersects with the heat recovery air inlet path 8.

That is, according to the requirements of material drying, the heat recovery and exchange device 3 operates when supplying supplementary gas to the material drying chamber 12 . During this period, the supplementary gas enters the heating gas source chamber 11 through the heat recovery air inlet path 8 . At the same time, the gas containing waste heat in the material drying chamber 12 will enter the heat recovery exhaust path 9 through the recovery air duct 13, and the waste heat gas will be mixed with the supplementary gas at the intersection of the heat recovery exhaust path 9 and the heat recovery air intake path 8. heat exchange. Utilize the sensible heat of the waste heat gas and the latent heat released when the waste heat gas cools down to preheat the supplementary gas, improve the thermal efficiency of the drying device 2, reduce the drying time, reduce the drying cost, and ensure the effect of drying materials at the same time.

In addition, the material drying chamber 12 is provided with an air outlet 4 communicating with the air inlet end of the recovery air duct 13 , and the air outlet 4 is arranged at the top rear end of the material drying chamber 12 . The high-temperature gas is promoted to be evenly distributed in the material drying chamber 12, and the residence time of the high-temperature gas can be prolonged, and the heat of the high-temperature gas can be fully utilized to improve the drying effect.

It is worth noting that the heat recovery exchange device 3 can also be applied to a split drying room, that is, the drying device 2 is installed outside the drying room body 1, and the heat recovery exchange device 3 is installed on the drying room body 1. The heat recovery cold air outlet end of the heat recovery exchange device 3 communicates with the air inlet end of the material drying chamber 12 of the drying room body 1, and the heat recovery hot air inlet end of the heat recovery exchange device 3 communicates with the material drying chamber 1 of the drying room body 1. The air outlet end of the chamber 12 is connected, as shown in FIG. 4 .

The above specific embodiments are only specific implementations with better effects of the utility model, and any structures that are the same or equivalent to the air circulation recovery mechanism of the drying room of the utility model are within the protection scope of the utility model.

Claims (9)

1. a kind of air circulation recovering mechanism of baking room, including drying room body (1) and drying unit (2), it is characterised in that：Institute State drying unit (2) to be installed in drying room body (1), drying room body (1) is externally provided with recuperation of heat switch (3), and recuperation of heat is handed over The recuperation of heat cold wind port of export of changing device (3) is connected with the wind inlet end of drying unit (2), and the heat of recuperation of heat switch (3) is returned Hot-wind inlet end is received with being connected in drying room body (1).

2. the air circulation recovering mechanism of baking room according to claim 1, it is characterised in that：Drying room body (1) bag Heating source of the gas room (11), drying materials room (12) and recovery air channel (13) are included, drying unit (2) is installed on heating source of the gas room (11) Interior, the recuperation of heat cold wind port of export of recuperation of heat switch (3) connects with heating source of the gas room (11), recuperation of heat switch (3) Recuperation of heat hot-wind inlet end connect with recovery air channel (13), reclaim air intake and drying materials room (12) company of air channel (13) Logical, the wind inlet end of drying materials room (12) connects with heating the outlet air end of source of the gas room (11).

3. the air circulation recovering mechanism of baking room according to claim 2, it is characterised in that：The drying unit (2) Air intake connects with reclaiming the outlet air end of air channel (13), the outlet air end of drying unit (2) and the wind inlet end of drying materials room (12) Connection.

4. the air circulation recovering mechanism of baking room according to claim 2, it is characterised in that：The drying materials room (12) Provided with the air outlet (4) connected with reclaiming the air intake of air channel (13), air outlet (4) is arranged at the top of drying materials room (12) Rear end.

5. the air circulation recovering mechanism of baking room according to claim 2, it is characterised in that：The drying materials room (12) Air intake adaptation several air intake circulating fans (5) are installed, air intake circulating fan (5) is respectively arranged in drying materials room (12) wherein in a side wall.

6. according to the air circulation recovering mechanism of baking room described in any one of claim 1 to 5 claim, it is characterised in that： The recuperation of heat switch (3) includes heat exchange chamber (31), blast pipe (32) and exhaust duct (33), blast pipe (32) and air draft Pipe (33) is installed on heat exchange chamber (31), and heat exchange chamber (31) carries the air intake connected with blast pipe (32), exhaust duct (33) Mouth (34), exhaust outlet (35), the wind outlet of blast pipe (32) connect with the wind inlet end of drying unit (2), and exhaust duct (33) are entered Recovery air channel (13) at wind with drying room body (1) connects.

7. the air circulation recovering mechanism of baking room according to claim 6, it is characterised in that：Fitted in the blast pipe (32) It is fitted with air inlet fan (6).

8. the air circulation recovering mechanism of baking room according to claim 6, it is characterised in that：Fitted on the exhaust outlet (35) It is fitted with exhaust blower (7).

9. the air circulation recovering mechanism of baking room according to claim 6, it is characterised in that：The air inlet (34), heat Inverting chamber (31), blast pipe (32) form the recuperation of heat air intake of the input source of the gas into the drying materials room (12) of drying room body (1) Path (8), the exhaust duct (33), heat exchange chamber (31), exhaust outlet (35) form the heat to be crossed with recuperation of heat air intake path (8) Reclaim air draft path (9).