CN215571659U

CN215571659U - Environment-friendly material drying equipment

Info

Publication number: CN215571659U
Application number: CN202120858269.9U
Authority: CN
Inventors: 陈敏; 熊吉磊; 成丽春; 周宏亮; 刘星
Original assignee: Anhui Jihua New Material Co ltd
Current assignee: Anhui Jihua New Material Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2022-01-18
Anticipated expiration: 2031-04-23

Abstract

The utility model relates to the technical field of rare earth recovery processing, and discloses environment-friendly material drying treatment equipment which comprises a material loader and a heat exchanger, wherein a hot oil heater is arranged on the left side of the material loader, a first air duct is arranged on a vent pipe in a penetrating and extending mode rightwards, wherein the first air duct opening is provided with an oxygen sensor, a second air duct is arranged perpendicular to the first air duct, the end of the second air duct is provided with a third air duct, the first air duct is connected with a dust collector, the right side of the dust collector is provided with an oil-water separation filter, the end of the first air duct is provided with a heat exchanger, wherein the heat exchanger is connected with a fan which is simultaneously connected with a nitrogen making machine, the left end of the third air duct is connected with a material loader end channel port, the tail end of a lower channel of the material loader is connected with a sieving part, and a plug-pull valve is arranged between the material loader channel and the screening part, and the screening part is respectively connected with the collecting container. The utility model solves the problem of high oxygen content and low utilization rate of the rare earth on the surface layer.

Description

Environment-friendly material drying equipment

Technical Field

The utility model relates to the technical field of rare earth recovery processing, in particular to environment-friendly material drying treatment equipment.

Background

When the waste rare earth is recycled and comprehensively utilized, the impurity content and the moisture content of raw materials directly influence the processing performance, and in the process of recycling and processing the waste rare earth permanent magnet, a part of materials are inevitably not completely demagnetized and are subjected to damp oxidation after being stored for a long time.

At present, the demagnetization processing of rare earth is mostly open heating, so that the surface of a material is easy to react with oxygen in the air after being heated, and the utilization rate of the oxygen content of a surface layer material is reduced due to high oxygen content.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides environment-friendly material drying treatment equipment, which solves the problem that the utilization rate is reduced due to too high rare earth oxygen content of the prior surface layer.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: an environment-friendly material drying treatment device comprises a material loader and a heat exchanger, wherein a vent pipe is movably arranged in the material loader, a hot oil heater is arranged on the left side of the material loader, a first air channel is arranged on the vent pipe in a penetrating and extending mode rightwards, an oxygen sensor is arranged at the first air channel opening to detect the oxygen ion content, a second air channel is vertically arranged on the first air channel, a third air channel parallel to the first air channel is arranged at the tail end of the second air channel, a dust collector is connected on the first air channel in a penetrating mode, an oil-water separation filter is arranged on the right side of the dust collector, the heat exchanger is arranged at the tail end of a right channel of the oil-water separation filter, the heat exchanger is connected with a fan, the fan is simultaneously connected with a nitrogen generator, the nitrogen generator is connected with the right end of the third air channel, and the left end of the third air channel is connected with a material loader end channel opening, the end of the lower channel of the material loader is connected with a sieving part, a plug valve is arranged between the channel of the material loader and the sieving part, and the sieving part is respectively connected with a collecting container.

Preferably, the hot oil heater comprises a heat transfer structure and a heating cabin, an oil guide pipe is arranged in the heat transfer structure, a heat transfer ring is fixedly connected to the oil guide pipe, the oil guide pipe and the heating ring are both arranged in the material loader, the oil guide pipe is in through connection with the heat transfer ring at the joint face, and the tail end of the oil guide pipe is connected with the heating cabin.

Preferably, a heat preservation layer is arranged in the interlayer of the inner wall of the material loader, and heat insulation cotton is filled in the interlayer, so that the contact scalding is prevented while the heat preservation effect is enhanced.

Preferably, the material loader is internally provided with a vent pipe, wherein the vent pipe is in a columnar pipeline shape, a gap is arranged between the pipelines, at least one vent hole is arranged on the pipeline, and the vent hole is covered with a filter screen to prevent rare earth from entering.

Preferably, the fan and the second air duct are arranged in parallel, the heat exchanger is arranged at the upper end of the fan and fixedly connected with the upper wall of the fan box, the nitrogen making machine is fixedly connected with the lower wall of the fan box, and the fan provides power for the heat exchanger and the nitrogen making machine.

Preferably, the dust collector and the oil-water separation filter are arranged on the same plane and communicated through a first air channel, an impurity filter cartridge is fixedly arranged on the left side of the oil-water separation filter, a steam filter cartridge is fixedly arranged on the right side of the oil-water separation filter, and the impurity filter cartridge and the steam filter cartridge are communicated with the inside of the oil-water separation filter.

Preferably, the screening part is in flexible connection with the tail end of the lower channel of the material loader.

Preferably, the screening part comprises a bearing box and a vibrating screen positioned in the middle of the bearing box, wherein the right side of the vibrating screen is provided with an ultrasonic generator auxiliary screening part.

Preferably, the collection container comprises a material sealed storage container and a dust collector, wherein the material sealed storage container is installed between the vibrating screen and the top plate of the bearing box and is externally connected with a nitrogen source for nitrogen charging, and the dust collector is installed between the vibrating screen and the bottom plate of the bearing box.

(III) advantageous effects

Compared with the prior art, the utility model provides environment-friendly material drying treatment equipment, which has the following beneficial effects:

1. the nitrogen is continuously supplied to the material loader in the whole processing process, so that air is prevented from entering from an inlet, and the oxidation of surface materials is prevented.

2. The vent pipe is arranged in the material loader and is arranged in a netted pipeline state, so that steam generated by heating the rare earth at the bottom layer can be timely discharged, and the demagnetization speed of the rare earth is accelerated.

3. According to the utility model, the oxygen sensor arranged in the air duct is used for detecting the oxygen content entering the air duct after nitrogen is filled for the first time, and the problem of accelerated oxidation caused by heating under the condition that the oxygen content does not reach the standard is fully prevented by scientific staged heating.

3. The utility model completes the drying state of the material under the anaerobic condition by arranging multiple times of filtration, namely steam filtration and screening filtration for separating water and impurities in stages and simultaneously performing the whole-process protection of nitrogen, thereby ensuring the simultaneous protection of surface rare earth and bottom layer rare earth under the condition of rare earth demagnetization.

Drawings

FIG. 1 is a front view of an environment-friendly material drying treatment apparatus according to the present invention;

FIG. 2 is a cross-sectional view of an environment-friendly material drying treatment apparatus according to the present invention;

FIG. 3 is a view of a heat transfer shaft of a hot oil heater of an environment-friendly material drying and processing device according to the present invention.

In the figure: the device comprises a material loader 1, a material loader 101, a vent pipe, a hot oil heater 2, an oil guide pipe 201, a heat transfer ring 202, an oxygen sensor 3, a first air duct 4, a second air duct 5, a third air duct 6, a sand-dragon dust collector 7, an oil-water separation filter 8, an impurity filter drum 81, a steam filter drum 82, a heat exchanger 9, a fan 10, a nitrogen making machine 11, a sieve part 12, a vibrating screen 121, a guide plate 122, an ultrasonic generator 123, a plug-pull valve 13, a material sealed storage container 14 and a dust collector 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the present invention provides a technical solution: an environment-friendly material drying treatment device comprises a material loader 1 and a heat exchanger 9, wherein a vent pipe 101 is movably arranged in the material loader 1, a hot oil heater 2 is arranged on the left side of the material loader 1, a first air duct 4 is arranged on the vent pipe 101 in a penetrating and extending mode rightwards, an oxygen sensor 3 is arranged at an air duct opening to detect the oxygen ion content, a second air duct 5 is arranged perpendicular to the first air duct 4, a third air duct 6 parallel to the first air duct 4 is arranged at the tail end of the second air duct 5, a shakelong dust collector 7 is connected on the first air duct 4 in a penetrating mode, an oil-water separation filter 8 is arranged on the right side of the shakelong dust collector 7, the heat exchanger 9 is arranged at the tail end of a channel on the right side of the oil-water separation filter 8, the heat exchanger 9 is connected with a fan 10, and valves are arranged at the connection positions of the heat exchanger 9 and the fan 10 and the air ducts, the fan 10 is connected with a nitrogen making machine 11 at the same time, the output end of the nitrogen making machine 11 is connected with the right end of a third air duct 6, the left end of the third air duct 6 is connected with a passage port at the end of a material loader 1, the end of a lower passage of the material loader 1 is connected with a screening part 12, the screening part 12 is in rubber connection with the end of the lower passage of the material loader 1, a plug-pull valve 13 is arranged between the passage of the material loader 1 and the screening part 12, the screening part 12 is respectively connected with a collecting container, the hot oil heater 2 comprises a heat transfer structure and a heating cabin, the heat transfer structure comprises an oil guide pipe 201, a heat transfer ring 202 is fixedly connected on the oil guide pipe 201, the oil guide pipe 201 and the heating ring are both arranged in the material loader 1, the oil guide pipe 201 is in through connection with the heat transfer ring 202 at the joint face, the end of the oil guide pipe 201 is connected with a heating cabin, a heat preservation layer is arranged in an interlayer of the inner wall of the material loader 1, and heat insulation cotton is stuffed in the interlayer, the heat preservation effect is enhanced and simultaneously the contact scald is prevented, wherein a vent pipe 101 is installed in the material loader 1, the vent pipe 101 is in a columnar pipeline shape, gaps are formed among pipelines, at least one vent hole is formed in the pipeline and is covered with a filter screen to prevent rare earth from entering, the fan 10 is arranged in parallel with the second air channel 5, the heat exchanger 9 is installed at the upper end of the fan 10 and is in threaded connection with the upper wall of a box of the fan 10, the nitrogen generator 11 is in threaded connection with the lower wall of the box of the fan 10, the fan 10 provides power for the heat exchanger 9 and the nitrogen generator 11, the Sekklon dust collector 7 and the oil-water separation filter 8 are in threaded connection and are arranged on the same plane and are communicated through the first air channel 4, an impurity filter cylinder 81 is fixedly arranged on the left side of the oil-water separation filter 8 in a penetrating way, a steam filter cylinder 82 is fixedly arranged on the right side of the oil-water separation filter 8, namely, water absorption cotton covers at an air outlet hole at the right end of the oil-water separation filter 8 to absorb residual steam, wherein impurity cartridge filter 81 and steam filter cartridge 82 all link up with oil-water separation filter 8 is inside, an ultrasonic generator 123 is installed on the right side of shale shaker 121 and is assisted the branch sieve, the container that collects includes sealed storage container 14 of material and dust collector 15, sealed storage container 14 of material and with divide the sieve portion 12 between all welding have input channel, wherein the sealed storage container 14 of material is installed between shale shaker 121 and the roof of bearing box and external nitrogen source fills nitrogen, dust collector 15 is installed between shale shaker 121 and the bottom plate of bearing box, and divide and weld a deflector 122 between sieve portion 12 entry and the sealed storage container 14 input channel of material, a direction for the material, prevent that unfiltered tombarthite from getting into the sealed storage container 14 of material.

When the device is used specifically, the device works according to the principle that materials are poured into the material loader 1, the fan 10 and the nitrogen making machine 11 are started, the fan 10 drives nitrogen to enter the material loader 1 from the third air duct 6, the material loader 1 is filled and soaked from bottom to top, part of nitrogen among rare earths enters the first air duct 4 through the vent pipe 101, the oxygen sensor 3 on the first air duct 4 is detected to obtain oxygen content data, when the data reach an expected oxygen content value, the heating heater is started, the nitrogen enters the material loader 1 through the oil guide pipe 201, the rare earths are heated by the heat transfer ring 202, the rare earths are heated uniformly by integral heating, the rare earths are demagnetized, various impurities attached to the surfaces of the rare earths slowly fall off from the surfaces of the materials along with demagnetization of a main body and drying of the materials, fine impurities enter the first air duct 4 along with steam, the cyclone dust collector 7 is arranged in the first air duct 4, after filtering impurity, steam gets into oil water separator 8, and the left impurity cartridge filter 81 of oil water separator 8 carries out impurity cartridge filter 81 for the second time, and the absorption of filtering surplus steam is carried out through steam cartridge filter 82 behind oil water separator 8, and after impurity drops and finishes, cool down the material, open heat exchanger 9 for the cooling, valve open heat exchanger 9 links to each other with fan 10 and blows cold wind into material loader 1, and reciprocating circulation reaches the purpose of inside and outside even cooling. When the material is cooled to fifty-six degrees, the material is discharged to the closed discharging vibrating screen 121 and is matched with the ultrasonic generator 123 to achieve the purpose of efficiently removing dust, the material enters the material sealed storage container 14, the material sealed storage container 14 is connected with an external nitrogen source and is stored by positive pressure nitrogen, and the purpose that the material can be used at any time without deterioration after being stored for a long time is achieved.

The electrical components presented therein are all electrically connected to the 220V mains.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an environment-friendly material drying equipment, includes material loader and heat exchanger, its characterized in that: the material loader is internally movably provided with a vent pipe, the left side of the material loader is provided with a hot oil heater, the vent pipe is provided with a first air channel which is communicated and extended rightwards, an oxygen sensor is arranged at the first air channel to detect the oxygen ion content, a second air channel is arranged perpendicular to the first air channel, the tail end of the second air channel is provided with a third air channel which is parallel to the first air channel, the first air channel is communicated and connected with a dust collector, the right side of the dust collector is provided with an oil-water separation filter, the tail end of a channel at the right side of the oil-water separation filter is provided with a heat exchanger, the heat exchanger is connected with a fan, the fan is simultaneously connected with a nitrogen generator, the nitrogen generator is connected with the right end of the third air channel, the left end of the third air channel is connected with a material loader end channel port, the tail end of a lower channel of the material loader is connected with a sieving part, and a plug-pull valve is arranged between the material loader channel and the sieving part, the screening parts are respectively connected with the collecting container.

2. The environment-friendly material drying processing device according to claim 1, characterized in that: the hot oil heater comprises a heat transfer structure and a heating cabin, wherein an oil guide pipe is arranged in the heat transfer structure, a heat transfer ring is fixedly connected to the oil guide pipe, the oil guide pipe and the heating ring are both arranged in the material loader, the oil guide pipe is in through connection with the heat transfer ring at the joint surface, and the tail end of the oil guide pipe is connected with the heating cabin.

3. The environment-friendly material drying processing device according to claim 1, characterized in that: a heat-insulating layer is arranged in the interlayer of the inner wall of the material loader, and heat-insulating cotton is filled in the interlayer, so that the contact scalding is prevented while the heat-insulating effect is enhanced.

4. The environment-friendly material drying processing device according to claim 1, characterized in that: the material loader is internally provided with a vent pipe, wherein the vent pipe is in a columnar pipeline shape, a gap is arranged between the pipelines, at least one vent hole is arranged on the pipeline, and a filter screen is covered on the vent hole to prevent rare earth from entering.

5. The environment-friendly material drying processing device according to claim 1, characterized in that: the fan and the second air channel are arranged in parallel, the heat exchanger is arranged at the upper end of the fan and fixedly connected with the upper wall of the fan box, the nitrogen making machine is fixedly connected with the lower wall of the fan box, and the fan provides power for the heat exchanger and the nitrogen making machine.

6. The environment-friendly material drying processing device according to claim 1, characterized in that: the dust collector and the oil-water separation filter are installed on the same plane and communicated through the first air channel, an impurity filter cartridge is fixedly installed on the left side of the oil-water separation filter, a steam filter cartridge is fixedly installed on the right side of the oil-water separation filter, and the impurity filter cartridge and the steam filter cartridge are communicated with the inside of the oil-water separation filter.

7. The environment-friendly material drying processing device according to claim 1, characterized in that: and the screening part is in flexible connection with the tail end of the lower channel of the material loader.

8. The environment-friendly material drying processing device according to claim 7, characterized in that: the screening part comprises a bearing box and a vibrating screen positioned in the middle of the bearing box, wherein an ultrasonic generator auxiliary screening part is arranged on the right side of the vibrating screen.

9. The environment-friendly material drying processing device according to claim 1, characterized in that: the collecting container comprises a material sealed storage container and a dust collector, wherein the material sealed storage container is arranged between the vibrating screen and the top plate of the bearing box and is externally connected with a nitrogen source for nitrogen charging, and the dust collector is arranged between the vibrating screen and the bottom plate of the bearing box.