CN206504551U - a drying device - Google Patents

Abstract

A kind of drying unit, belongs to drying plant field.Including source pump（1）, heater box（2）, condenser（10）And baking room（3）, condenser（10）It is fixed on heater box（2）It is interior and source pump is connected by pipeline（1）, heater box（2）On offer connection baking room（3）Drying air inlet（9）With drying air outlet（13）, heater box（2）On be additionally provided with hydrofuge air-out air door（7）With hydrofuge inlet air door（8）, in hydrofuge air-out air door（7）With hydrofuge inlet air door（8）Place is respectively equipped with MOD（6）, baking room（3）Interior to be provided with Temperature Humidity Sensor, Temperature Humidity Sensor connects MOD by control unit（6）.Drying wind is circulated between heater box and baking room, and shortening the circulating path of drying wind, quick heating, and the steam produced in drying can in good time be discharged by hydrofuge air-out air door and hydrofuge inlet air door, it is ensured that drying effect.

Description

a drying device

technical field

A drying device belongs to the field of drying equipment.

Background technique

In the agricultural products, wood, medicinal materials, soft packaging materials, printed matter or coating industries, drying is required during the production or storage of products. Most of the existing drying devices use hot air directly into the drying chamber or drying bed to dry the products. The circulation path of the drying air is long, the heat loss is large, and the drying efficiency is low.

Contents of the invention

The technical problem to be solved by the utility model is: to overcome the deficiencies of the prior art and provide a drying device with high drying efficiency.

The technical solution adopted by the utility model to solve the technical problem is: the drying device includes a heat pump unit, a heating box, a condenser and a drying room, the condenser is fixed in the heating box and connected to the heat pump unit through a pipeline, and the drying unit is dried. The heating room is set on one side of the heating box. The heating box is provided with a drying air inlet and a drying air outlet connected to the drying room. The heating box or the drying room is equipped with a device to promote the air circulation between the heating box and the drying room. The fan and the heating box are also equipped with a moisture exhaust air door and a moisture exhaust air intake door. Electric dampers are respectively installed at the moisture exhaust air door and the humidity exhaust air intake door. The drying room is equipped with a temperature and humidity sensor. The humidity sensor is connected to the electric damper through the control unit.

Preferably, an observation port is provided on one side of the heating box, and a hermetic door for closing the observation port is provided at the viewing port; or a transparent observation window is provided on one side of the heating box.

Preferably, an auxiliary electric heating mechanism is also fixed in the heating box, and both the condenser and the auxiliary electric heating mechanism are fixed between the drying air inlet and the drying air outlet.

Preferably, the auxiliary electric heating mechanism includes a plurality of electric heating tubes arranged side by side, and the electric heating tubes are fixed in the heating box by a fixing bracket.

Preferably, the drying air inlet, the condenser, the auxiliary electric heating mechanism and the drying air outlet are arranged in sequence along the air circulation direction.

Preferably, the condenser is fixed horizontally, the drying air inlet is set below the condenser, the auxiliary electric heating mechanism is fixed above the condenser, the moisture exhaust air outlet damper is arranged below the condenser, and the moisture exhaust air intake damper is set Above the auxiliary electric heating mechanism.

Preferably, the fan is arranged in the heating box, the condenser is fixed below the fan, the drying air inlet is arranged below the fan, and the drying air outlet is arranged above the fan.

Preferably, the condenser is fixed horizontally, and the periphery of the condenser is sealed and connected with the inner wall of the heating box, and the drying air inlet and the drying air outlet are respectively arranged on the upper and lower sides of the condenser.

Compared with the prior art, the beneficial effects of the above-mentioned technical solution of the drying device are: the utility model uses a condenser for drying, energy saving and environmental protection, and the heating box is used to heat the air, and the fan drives the air in the heating box. The circulation between the drying room shortens the circulation path of the drying air, the temperature rises quickly, and the drying efficiency is high; moreover, the water vapor generated during drying can be discharged in time through the moisture exhaust air door and the moisture exhaust air intake door, ensuring drying effect.

Description of drawings

Figure 1 is a schematic diagram of the drying device.

Fig. 2 is a sectional view of the heating box.

Fig. 3 is a schematic structural diagram of the auxiliary electric heating mechanism.

Fig. 4 is a schematic structural diagram of the electric heating tube fixing unit.

Fig. 5 is a schematic diagram of a drying device capable of heat recovery.

Among them: 1. Heat pump unit 2. Heating box 3. Drying room 4. Electric control cabinet 5. Airtight door 6. Electric damper 7. Dehumidification outlet damper 8. Dehumidification intake damper 9. Drying air inlet 10. Condenser 11, auxiliary electric heating mechanism 12, fan 13, drying air outlet 14, electric heating tube 15, fixing frame 16, support plate 17, electric heating tube fixing unit 18, fixing part 19, pressing part 20, heat exchange device.

detailed description

Fig. 1～4 is the preferred embodiment of this drying device, below in conjunction with accompanying drawing 1～5 the utility model is described further.

Referring to Fig. 1, the drying device comprises a heat pump unit 1, a heating box 2, a condenser 10 and a drying room 3, the condenser 10 is fixed in the heating box 2 and connected to the heat pump unit 1 through pipelines, and the drying room 3 is provided with On one side of the heating box 2, the heating box 2 is provided with a drying air inlet 9 and a drying air outlet 13 connected to the drying room 3, and the heating box 2 is also provided with a moisture exhaust air door 7 and a moisture exhaust air intake. The damper 8 is provided with an electric damper 6 at the humidity exhaust outlet damper 7 and the humidity exhaust intake damper 8 respectively, and a temperature and humidity sensor is provided in the drying room 3, and the temperature and humidity sensor is connected to the electric damper 6 through the control unit. The heating box 2 is used to heat the air, and the fan 12 drives the air to circulate between the heating box 2 and the drying room 3, which shortens the circulation path of the drying air, and the temperature rises quickly and the drying efficiency is high; Moisture can be discharged through the damp-discharging air outlet damper 7, and the fresh air or the air after heat recovery returns to the heating box 2 by the damp-discharging air inlet damper 8 to ensure the drying effect.

One side of the heating box 2 is provided with an observation port, and an airtight door 5 for closing the observation port is provided at the observation port, so that the facilities in the heating box 2 are conveniently observed to ensure safe operation. A transparent observation window can also be set on one side of the heating box 2 . An electric control cabinet 4 is also fixed outside the heating box 2, and the control unit is fixed in the electric control cabinet 4.

With reference to Fig. 2, the fan 12 that promotes the air circulation between the heating box 2 and the drying room 3 is provided in the heating box 2, the condenser 10 is fixed below the fan 12, and the drying air inlet 9 is arranged on the below of the fan 12, and the drying The dry air outlet 13 is arranged above the fan 12 . The condenser 10 is fixed horizontally, the drying air inlet 9 is set under the condenser 10, the auxiliary electric heating mechanism 11 is fixed above the condenser 10, the humidity exhaust air outlet door 7 is set under the condenser 10, and the moisture exhaust air intake The damper 8 is arranged above the auxiliary electric heating mechanism 11 . In the case of very low temperature in winter, the temperature rise of the dryer is relatively slow, which affects the drying efficiency. In order to solve this problem, an auxiliary electric heating mechanism 11, a condenser 10 and an auxiliary electric heating mechanism 11 are fixed in the heating box 2 in this embodiment. The electric heating mechanism 11 is fixed between the drying air inlet 9 and the drying air outlet 13, and the auxiliary electric heating mechanism 11 can be used to rapidly raise the temperature in winter, and the heating efficiency is high. The drying air inlet 9, the condenser 10, the auxiliary electric heating mechanism 11 and the drying air outlet 13 are arranged in sequence along the circulation direction of the drying air. The condenser 10 is fixed horizontally, and the periphery of the condenser 10 is sealed and connected with the inner wall of the heating box 2, so as to ensure that the drying air to be heated can fully exchange heat with the condenser 10, and the auxiliary electric heating mechanism 11 is fixed above the condenser 10 , so that the structure of the whole drying machine is simple and compact, and the layout is reasonable, and it also takes advantage of the characteristics of natural upward heat to improve energy utilization.

Referring to FIG. 3 , the auxiliary electric heating mechanism 11 includes a plurality of electric heating tubes 14 arranged side by side, and the electric heating tubes 14 are fixed in the heating box 2 through a fixing bracket. The fixed bracket includes a rectangular fixed frame 15, the fixed frame 15 is fixed horizontally in the heating box 2, the electric heating tube 14 is horizontally fixed inside the fixed frame 15, and the lower side of the fixed frame 15 is provided with a support plate 16 supporting the electric heating tube 14 , the upper side of the support plate 16 is provided with a plurality of electric heating tube fixing units 17 that press down the electric heating tube 14 . Modular installation can be realized by using the fixing frame 15, and the electric heating tube fixing unit 17 presses the electric heating tube 14 downward, which can prevent the electric heating tube 14 from vibrating during operation, improve the service life and reduce noise.

Referring to Fig. 4, the electric heating tube fixing unit 17 includes a fixing part 18 and two pressing parts 19, the fixing part 18 is fixed on the support plate 16 between two adjacent electric heating tubes 14, and the pressing part 19 is connected to At the upper ends of both sides of the fixing part 18 , the electric heating tube 14 is fixed between the pressing part 19 and the support plate 16 . Two adjacent electric heating tubes 14 can be pressed simultaneously by using one electric heating tube fixing unit 17, which has a simple structure and is easy to install.

Working process: the heat pump unit 1 heats and heats the condenser 10, and the drying air to be heated in the drying room 3 enters the heating box 2 through the drying air inlet 9, and is heated by the condenser 10 and the electric heating tube 14 in turn, and then is heated by the drying The dry air outlet 13 returns to the drying room 3 to dry the products in the drying room 3. When the temperature and humidity sensor in the drying room 3 detects that the humidity in the drying room 3 reaches the set value, the electric damper 6 opens , for dehumidification.

With reference to Fig. 5, drying device among the utility model can also be provided with a heat exchanger 20 on the outside of heating box 2, and heat exchanger 20 has wet wind inlet, wet wind outlet, fresh air inlet and fresh air outlet, and wet wind inlet is communicated with. The humidity exhaust air door 7 and the fresh air outlet are connected to the humidity exhaust air intake door 8. During dehumidification, the drying air in the heating box 2 enters the heat exchanger 20 through the moisture exhaust air door 7, and the drying air after heat exchange passes through the wet air. The outlet is exhausted into the atmosphere, and the fresh air enters the heat exchanger 20 from the fresh air inlet to exchange heat with the drying air.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model in other forms. Any skilled person who is familiar with this profession may use the technical content disclosed above to change or remodel it into an equivalent change. Equivalent embodiment. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model without departing from the content of the technical solution of the utility model still belong to the protection scope of the technical solution of the utility model.

Claims (8)

1. a kind of drying unit, it is characterised in that：Including source pump（1）, heater box（2）, condenser（10）And baking room （3）, condenser（10）It is fixed on heater box（2）It is interior and source pump is connected by pipeline（1）, baking room（3）It is arranged on heating Case（2）Side, heater box（2）On offer connection baking room（3）Drying air inlet（9）With drying air outlet（13）, plus Hot tank（2）Or baking room（3）Interior be provided with promotes heater box（2）With baking room（3）Between air circulation blower fan（12）, heater box （2）On be additionally provided with hydrofuge air-out air door（7）With hydrofuge inlet air door（8）, in hydrofuge air-out air door（7）With hydrofuge inlet air door （8）Place is respectively equipped with MOD（6）, baking room（3）Interior to be provided with Temperature Humidity Sensor, Temperature Humidity Sensor passes through control unit Connect MOD（6）.

2. drying unit according to claim 1, it is characterised in that：The heater box（2）Side offer observation panel, The hermatic door for being used for closing observation panel is provided with observation panel（5）；Or in heater box（2）Side transparent observation is set Window.

3. drying unit according to claim 1, it is characterised in that：In the heater box（2）Inside it is further fixed on auxiliary electricity Heating arrangements（11）, condenser（10）With auxiliary electrical heater mechanism（11）It is each attached to drying air inlet（9）With drying air outlet （13）Between.

4. drying unit according to claim 3, it is characterised in that：The auxiliary electrical heater mechanism（11）Including setting side by side The multiple electric heating tubes put（14）, electric heating tube（14）Heater box is fixed on by fixed support（2）It is interior.

5. drying unit according to claim 3, it is characterised in that：The drying air inlet（9）, condenser（10）, it is auxiliary Help electric heating mechanism（11）With drying air outlet（13）It is arranged in order along the loop direction of air.

6. the drying unit according to claim 3 or 5, it is characterised in that：The condenser（10）Level is fixed, dry into Air port（9）It is arranged on condenser（10）Lower section, auxiliary electrical heater mechanism（11）It is fixed on condenser（10）Top, hydrofuge goes out Wind air door（7）It is arranged on condenser（10）Lower section, hydrofuge inlet air door（8）It is arranged on auxiliary electrical heater mechanism（11）It is upper Side.

7. drying unit according to claim 1, it is characterised in that：The blower fan（12）It is arranged on heater box（2）It is interior, it is cold Condenser（10）It is fixed on blower fan（12）Lower section, dry air inlet（9）It is arranged on blower fan（12）Lower section, dry air outlet（13） It is arranged on blower fan（12）Top.

8. the drying unit according to claim 1 or 7, it is characterised in that：The condenser（10）Level is fixed, and condensation Device（10）Surrounding and heater box（2）Inner wall sealing is connected, and dries air inlet（9）With drying air outlet（13）It is separately positioned on cold Condenser（10）Both sides up and down.