CN219368298U - High-efficiency energy-saving automatic drying device - Google Patents

Abstract

The utility model relates to a high-efficiency energy-saving automatic drying device which comprises a rotary dryer, wherein the rotary dryer is provided with a feed hopper and a discharge pipe, a hot air inlet pipe is arranged at the sealed top of the feed end at the left end of the rotary dryer, a tail gas outlet pipe is arranged at the sealed top of the discharge end at the right end of the rotary dryer, the top of the feed hopper is connected with a first screw feeder, the top inlet of the first screw feeder is connected with a temporary storage bin, the top inlet of the temporary storage bin is connected with a chain plate type lifting machine, the inlet of the chain plate type lifting machine is connected with a second screw feeder, and the top of the inlet of the second screw feeder is connected with a receiving hopper. According to the utility model, the first screw feeder, the chain plate type lifting machine, the second screw feeder and the receiving hopper are arranged at the feeding end of the rotary dryer, so that the loader can be used for feeding materials into the receiving hopper, the automation degree and the efficiency are improved, the material feeding quantity can be ensured to be more balanced, the temperature change in the drying furnace is less, the drying quantity is ensured, and the energy is saved.

Description

High-efficiency energy-saving automatic drying device

Technical Field

The utility model relates to an efficient energy-saving automatic drying device, and belongs to the technical field of drying equipment.

Background

The traditional fluorite drying device mostly selects natural gas as a heat energy source, and coal energy sources with serious pollution are banned. Because of the material characteristics of fluorite, the abrasion to drying equipment is serious, the drying mode generally adopts rotary drying, natural gas is combusted in a hot blast furnace, hot air is pumped into the drying furnace by negative pressure, the moisture of materials is gasified, the drying purpose is achieved, and the tail gas carrying with water vapor dust is purified and recycled to realize ultralow emission of the material dust.

However, when the current drying device is used for feeding, fluorite raw materials are generally transported to a chain plate conveyor from a raw material warehouse by manpower and then conveyed to a rotary dryer for drying, so that the following defects exist: 1. the drying efficiency is lower due to the fact that the drying efficiency is lower when the drying agent is manually transported to the chain plate conveyor; 2. the manual work directly transfers to the link joint conveyer and then directly feeds materials, causes the charge quantity unbalanced very easily, leads to the interior temperature variation of drying furnace big, directly influences raw materials stoving output, and the energy consumption increases, directly influences the stoving cost.

Disclosure of Invention

The utility model provides a high-efficiency energy-saving automatic drying device, which solves the problems that the existing device has lower drying efficiency, is easy to cause unbalanced feeding quantity, causes large temperature change in a drying furnace, directly affects the drying yield of raw materials, increases energy consumption and directly affects the drying cost.

The utility model relates to a high-efficiency energy-saving automatic drying device which comprises a rotary dryer, wherein a feed hopper and a discharge pipe are respectively arranged at the left end and the right end of the rotary dryer, a hot air inlet pipe is arranged at the sealed top of the feed end of the left end of the rotary dryer, a tail gas outlet pipe is arranged at the sealed top of the discharge end of the right end of the rotary dryer, the top of the feed hopper is connected with a first screw feeder, the top inlet of the first screw feeder is connected with a temporary storage bin, the top inlet of the temporary storage bin is connected with a chain plate type lifting machine, the inlet of the chain plate type lifting machine is connected with a second screw feeder, and the top of the inlet of the second screw feeder is connected with a receiving hopper.

As one preferable mode, the tail gas outlet pipe is connected with a bag-type dust collector through a pipeline, an outlet of the bag-type dust collector is connected with an exhaust pipe, a negative pressure fan is arranged on the exhaust pipe, the exhaust pipe is connected with a heat exchanger, a cold air outlet of the heat exchanger is connected with a recovery pipe, the recovery pipe is connected with a gas pipe, and the gas pipe is connected with a first screw feeder. The tail gas can be subjected to heat exchange, and hot air after heat exchange is led into the first screw feeder to preheat fluorite raw material, so that heat energy recycling is realized, and the energy is saved.

Preferably, the first screw feeder comprises a shell, a conveying auger is arranged in the shell, the conveying auger is connected with a conveying motor, a plurality of air inlet pipes are arranged at the top of the shell, and the other ends of the air inlet pipes are connected with the air conveying pipes. The preheating heat energy is more uniform.

Preferably, the outlet of the second screw feeder is fixedly connected with a surge bin, and the bottom of the surge bin is fixedly connected with the inlet of the chain plate type lifting machine. A blockage is placed.

The utility model has the following beneficial effects:

the screw feeder I, the chain plate type lifting machine, the screw feeder II and the receiving hopper are arranged at the feeding end of the rotary dryer, so that the loader can be used for feeding materials into the receiving hopper, the automation degree is improved, the efficiency is improved, the material feeding quantity can be ensured to be more balanced, the temperature change in the drying furnace is not large, the drying quantity is ensured, and the energy is saved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of a screw feeder I;

in the figure: 1. a receiving hopper; 2. a screw feeder II; 3. a buffer bin; 4. chain plate type elevator; 5. temporary storage bin; 6. a material guiding pipe; 7. a first screw feeder; 8. a gas pipe; 9. a recovery pipe; 10. the device comprises a heat exchanger, 11, an exhaust pipe, 12, a bag-type dust remover, 13, an exhaust outlet pipe, 14, a discharge pipe, 15, a rotary dryer, 16, a hot air inlet pipe, 17, a feed hopper, 18, an air inlet pipe, 19, a conveying auger, 20 and a shell.

Detailed Description

The utility model is further illustrated below with reference to examples.

In the embodiment 1, as shown in fig. 1, the utility model is a high-efficiency energy-saving automatic drying device, which comprises a rotary dryer 15, a feed hopper 17 and a discharge pipe 14 which are communicated with a rotary drum of the rotary dryer 15 are respectively arranged at the left end and the right end of the rotary dryer 15, the two ends of the rotary drum are supported by a pair of supporting rollers, the rotary drum is arranged in a manner of inclining left and right, a gear ring is arranged at the outer end of the rotary drum, a gear ring is connected with a gear, the gear is connected with a rotary motor, a hot air inlet pipe 16 which is communicated with the rotary drum is arranged at the sealed top of the feed end of the left end of the rotary dryer 15, a tail gas outlet pipe 13 which is communicated with the rotary drum is arranged at the sealed top of the right end of the rotary dryer 15, a screw feeder 7 is connected at the top of the feed hopper 17, a temporary storage bin 5 is connected with a chain plate type lifting machine 4 at the top inlet of the screw feeder 7, a guide pipe 6 is arranged at the top of the temporary storage bin 5, and the top of the guide pipe 6 is connected with the outlet of the chain plate type lifting machine 4, so that the discharging is sealed and closed, dust is avoided, the inlet of the chain plate lifting machine 4 is connected with a screw feeder 2, and a hopper 1 is connected at the top of the inlet of the screw feeder 2.

During operation, the staff adopts the loader to transport the material in the raw materials feed bin to connect in the hopper 1, and the material is evenly carried to the chain plate lift 4 through screw feeder two 2 simultaneously, promotes to the temporary storage storehouse 5 through the chain plate lift 4 in, then evenly carries to rotary dryer 15 through screw feeder one 7 in the temporary storage storehouse 5 and dries, and when the material moved in rotary dryer 15, through hot-blast stoving, the material after the stoving was discharged from discharging pipe 14, and the entrainment vapor dust during the stoving was discharged from tail gas exit tube 13.

In embodiment 2, as shown in fig. 1 and 2, on the basis of embodiment 1, a tail gas outlet pipe 13 is connected with a bag-type dust collector 12 through a pipeline, an outlet of the bag-type dust collector 12 is connected with an exhaust pipe 11, a negative pressure fan is arranged on the exhaust pipe 11, the exhaust pipe 11 is connected with a heat exchanger 10, a cold air outlet of the heat exchanger 10 is connected with a recovery pipe 9, the recovery pipe 9 is connected with a gas pipe 8, and the gas pipe 8 is connected with a screw feeder 7. The cold air inlet pipe on the right side of the top of the heat exchanger 10 can be connected with a normal temperature blower, and normal temperature air can be sent into the heat exchanger to exchange heat with tail gas.

The first screw feeder 7 comprises a shell 20, a conveying auger 19 is arranged in the shell 20, the conveying auger 19 is connected with a conveying motor, a plurality of air inlet pipes 18 are arranged at the top of the shell 20, and the other ends of the air inlet pipes 18 are connected with the air delivery pipes 8.

The outlet of the screw feeder II 2 is fixedly connected with a buffer bin 3, and the bottom of the buffer bin 3 is fixedly connected with the inlet of the chain plate type lifting machine 4.

The tail gas discharged from the tail gas outlet pipe 13 is dedusted by the bag-type dust remover 12 and then is introduced into the hot air inlet pipe of the heat exchanger 10, so that the heat exchange can be carried out with cold air entering the cold air inlet pipe of the heat exchanger 10, and the cold air inlet pipe is introduced into the first screw feeder 7 to preheat materials after heat exchange.

In summary, the first screw feeder, the chain plate type lifting machine, the second screw feeder and the receiving hopper are arranged at the feeding end of the rotary dryer, so that the loader can be used for feeding materials into the receiving hopper, the automation degree is improved, the efficiency is improved, the material feeding quantity is ensured to be more balanced, the temperature change in the drying furnace is less, the drying quantity is ensured, and the energy is saved.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art. The technical scheme of the utility model can also provide a solution which is obviously different from the prior art aiming at the technical problem that the prior art solution is too single.

In the description of the present utility model, the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, only for convenience in describing the present utility model, and do not require that the present utility model must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Claims (4)

1. The utility model provides a high-efficient energy-conserving automatic drying device, includes rotary dryer (15), and both ends are equipped with feeder hopper (17) and discharging pipe (14) respectively about rotary dryer (15), and the sealed top of feed end of the left end of rotary dryer (15) is equipped with hot-blast inlet tube (16), and the sealed top of discharge end of the right-hand member of rotary dryer (15) is equipped with tail gas exit tube (13), its characterized in that: the top of the feed hopper (17) is connected with a first screw feeder (7), a temporary storage bin (5) is connected to the top inlet of the first screw feeder (7), a chain plate type lifting machine (4) is connected to the top inlet of the temporary storage bin (5), a second screw feeder (2) is connected to the inlet of the chain plate type lifting machine (4), and a receiving hopper (1) is connected to the top of the inlet of the second screw feeder (2).

2. The energy efficient automatic drying apparatus according to claim 1, wherein: the tail gas exit tube (13) is connected with a cloth bag dust collector (12) through a pipeline, an outlet of the cloth bag dust collector (12) is connected with an exhaust pipe (11), a negative pressure fan is arranged on the exhaust pipe (11), the exhaust pipe (11) is connected with a heat exchanger (10), a cold air outlet of the heat exchanger (10) is connected with a recovery pipe (9), the recovery pipe (9) is connected with a gas pipe (8), and the gas pipe (8) is connected with a screw feeder I (7).

3. The energy efficient automatic drying apparatus according to claim 2, wherein: the first screw feeder (7) comprises a shell (20), a conveying auger (19) is arranged in the shell (20), the conveying auger (19) is connected with a conveying motor, a plurality of air inlet pipes (18) are arranged at the top of the shell (20), and the other ends of the air inlet pipes (18) are connected with the air conveying pipes (8).

4. The energy efficient automatic drying apparatus according to claim 1, wherein: the outlet of the screw feeder II (2) is fixedly connected with a buffer bin (3), and the bottom of the buffer bin (3) is fixedly connected with the inlet of the chain plate type lifting machine (4).