CN212246888U - Material processing device and microwave heating system with same - Google Patents

Abstract

The utility model relates to the field of microwave pyrolysis, in particular to a material processing device and a microwave heating system with the same, wherein the material processing device comprises a shell and a bearing plate arranged along the inner wall ring of the shell; the treatment chamber is sleeved in the bearing plate, and an accommodating cavity for accommodating materials to be treated is formed in the treatment chamber; the covering component comprises a cover plate, the cover plate is detachably covered on the upper end of the processing chamber, and the side wall of the upper end of the processing chamber is basically flush with the side wall of the containing cavity. The cover that is connected through the lateral wall that sets up and hold the chamber at the upper end lateral wall of process chamber closes the part, will hold the chamber lid and close, then lets in the inside that holds the chamber with the pending material, handles the material, opens the cover again after the processing is finished and closes the part, then takes out the material after the processing is finished from the inside that holds the chamber, easy operation, swift, realizes the effect of handling the material.

Description

Material processing device and microwave heating system with same

Technical Field

The utility model relates to a pyrolysis technology field, concretely relates to material processing apparatus and have device's microwave heating system.

Background

The principle of the microwave heating technology is as follows: when a medium to be heated is placed in a microwave electromagnetic field, polar molecules and non-polar molecules in a medium material form dipoles or existing dipoles to be rearranged, in the process, the molecules swing at a speed of hundreds of millions of times per second along with the high-frequency alternating electromagnetic field, and the interference and the obstruction of the original thermal motion of the molecules and the interaction of the molecules need to be overcome in the period, so that the effect similar to friction can be generated, electromagnetic energy is gradually converted into heat energy, and the temperature of the medium is greatly increased.

Compared with the traditional fossil energy heating technology, the microwave heating technology has the advantages of more uniform heating, lower heat transfer loss, higher heating efficiency, better environmental protection and higher safety. Therefore, the industrial field is also gradually beginning to apply the microwave heating technology. For example, in recent years, microwave pyrolysis furnaces are increasingly used to heat waste plastics, waste rubber, medical wastes, chemical sludge and other media, so that the media are pyrolyzed into oil, non-condensable combustible gas and solid products.

In the pyrolysis process of engineering production of waste plastics, waste rubber, medical wastes, chemical oil sludge and other media, the material amount of pyrolysis is very large. In the practical application process, a small amount of repeated tests are required to be carried out on the materials, the using amount is small, the existing pyrolyzer cannot carry out full pyrolysis on the small materials due to the large volume, and the using cost is high.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a can adapt to the pyrolysis treatment device of a small amount of materials and have this material processing apparatus's microwave heating system.

The utility model discloses a material processing device, which comprises,

the bearing plate is annularly arranged along the inner wall of the shell;

the treatment chamber is sleeved in the bearing plate, and an accommodating cavity for accommodating materials to be treated is formed in the treatment chamber;

the covering component comprises a cover plate, the cover plate is detachably covered on the upper end of the processing chamber, and the side wall of the upper end of the processing chamber is basically flush with the side wall of the containing cavity.

Furthermore, the lower side surface of the cover plate is provided with a groove body for inserting the upper end side wall of the processing chamber.

Further, the treatment chamber is cylindrical, and the groove body is an annular groove body.

Further, the wall thickness of the treatment chamber is 8-20 mm.

Further, the stirring device is fixed on the cover plate, and extends to the bottom end of the processing chamber along the axial direction of the processing chamber.

Furthermore, the device also comprises a supporting plate arranged at the lower end of the processing chamber, and an elastic connecting piece is arranged between the supporting plate and the processing chamber, and two ends of the elastic connecting piece are respectively connected with the supporting plate and the processing chamber.

The material conveying device further comprises a feeding channel which penetrates through the side wall of the processing chamber and is communicated with the containing cavity, and the material to be processed is conveyed into the containing cavity through the feeding channel.

The utility model discloses a microwave heating system, include

The material processing device is the material processing device;

the microwave generating device comprises at least one microwave generator and a wave absorbing component, wherein the microwave generator is arranged on the outer wall of the shell, and the wave absorbing component is fixed in the processing chamber.

Further, the device also comprises a heat preservation device, wherein the heat preservation device is arranged between the processing chamber and the shell to form a heat preservation cavity.

Further, the temperature measuring device extends to the lower end of the stirrer along the axial direction of the stirrer.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a material processing device, which comprises a shell and a bearing plate arranged along the inner wall ring of the shell; the treatment chamber is sleeved in the bearing plate, and an accommodating cavity for accommodating materials to be treated is formed in the treatment chamber; the covering component comprises a cover plate, the cover plate is detachably covered on the upper end of the processing chamber, and the side wall of the upper end of the processing chamber is basically flush with the side wall of the containing cavity. The lid that is connected through the upper end lateral wall at the process chamber sets up and holds the lateral wall in chamber closes the part, it closes to hold the chamber lid, then let in the inside that holds the chamber with pending material, handle the material, open the lid again after the processing is ended and close the part, then take out the material after the processing is ended from the inside that holds the chamber, moreover, the steam generator is simple in operation, high efficiency, the effect of material is handled in the realization, wherein set up basic parallel and level with the upper end lateral wall of process chamber and the lateral wall that holds the chamber, take out the material through the upper end easily, can handle the material a small amount of many times, help carrying out the use of experimental processing to the material, and the use cost is.

2. In the material processing device provided by the utility model, the wall thickness of the processing chamber is 8-20 mm. The wall thickness of the processing chamber is set to be 8-20mm, the strength of the processing chamber can be effectively improved by increasing the wall thickness of the processing chamber, so that the processing device can be suitable for the use condition of high power (1-3KW), and the processing efficiency is effectively improved while the condition that the processing chamber in the shell is not cracked in the working process can be ensured; at the same time, the cost increase caused by the excessively thick wall thickness is avoided.

3. The utility model provides an among the material processing apparatus, still including being fixed in agitator on the apron, the agitator is followed the axis direction of process chamber to the bottom of process chamber extends. Through setting up the agitator in the inside of processing chamber, the agitator can stir the material of processing chamber to accelerate the processing of material, make when using the processing chamber of great capacity, more material can be placed in the intracavity that holds of processing chamber, stir the processing through using the agitator to the material, make the material can handle even and quick, improve work efficiency.

4. The utility model provides an among the material processing apparatus, still including locating the backup pad of the lower extreme of process chamber the backup pad with be equipped with between the process chamber both ends respectively with the backup pad with the elastic connection spare that the process chamber is connected. Through setting up elastic connection spare for to the compressing tightly of process chamber sealed, also can avoid simultaneously because the stirring of agitator makes the process chamber take place the condition of rocking, ensure that the process chamber can be in stable state.

5. The utility model provides a microwave heating system, which comprises a material processing device, a heating device and a heating device, wherein the material processing device is the material processing device; the microwave generating device comprises at least one microwave generator and a wave absorbing component, wherein the microwave generator is arranged on the outer wall of the shell, and the wave absorbing component is fixed in the processing chamber. Because this microwave heating system has adopted above-mentioned material processing apparatus, therefore concrete above-mentioned material processing apparatus any advantage, and this microwave heating system can carry out a small amount of microwave pyrolysis many times to the material, and when microwave pyrolysis to the material, will inhale the inside of ripples part setting at the process chamber, microwave generator sets up on the outer wall of casing, after launching the microwave to the inside of process chamber, the material carries out microwave pyrolysis reaction in the inside of process chamber, realizes the effect of pyrolysis, and the pyrolysis stability is good.

6. The utility model provides an among the microwave heating system, still include the heat preservation device, the heat preservation device is located the process chamber with between the casing to form a heat preservation chamber. Through setting up the heat preservation chamber, the inside heat preservation material that fills of sub-heat preservation chamber to material in the messenger treatment chamber can reduce and hold the chamber and take place the heat exchange with the outside when carrying out pyrolytic reaction, guarantees the going on smoothly of pyrolytic reaction.

7. The utility model provides an among the microwave heating system, still include along the axial extension of agitator to the temperature measurement device of the lower extreme of agitator. Through setting up temperature measuring device, can carry out real-time monitoring to the temperature of material.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a microwave heating system according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the microwave heating system shown in FIG. 1;

description of reference numerals:

1-a material handling device;

11-a housing; 12-a carrier plate;

13-a processing chamber; 131-a containment chamber;

14-a closure member; 141-a cover plate; 142-a trough body;

15-a stirrer; 16-a support plate; 17-an elastic connection;

18-a feed channel; 19-high temperature oil gas outlet;

2-a microwave generating device; 21-a microwave generator; 22-a wave absorbing component;

3-a heat preservation device; 31-heat preservation cavity;

4-temperature measuring device.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model discloses a microwave heating system is described in the embodiment of the utility model, be used for carrying out microwave pyrolysis treatment to the material, refer to fig. 1 and fig. 2, this microwave heating system includes microwave generating device 2, heat preservation device 3 and material processing device 1, wherein material processing device 1 includes a casing 11, set up the process chamber 13 that is used for accomodating the material to be treated in casing 11, set up pay-off passageway 18 in one side of casing 11, the material to be pyrolyzed is carried to the process chamber 13 inside of casing 11 through pay-off passageway 18, the opposite side sets up high temperature oil gas export 19, this high temperature oil gas export 19 communicates with process chamber 13 through the gas transmission pipeline, be used for discharging the waste gas that produces in the pyrolysis process, this microwave generating device 2 includes at least one microwave generator 21 and inhale ripples part 22, wherein set up microwave generator 21 on the outer wall of casing 11, the microwave absorbing component 22 is arranged inside the processing chamber 13 and is used for absorbing the microwave emitted by the microwave generator 21 and transmitting the microwave to the material, the temperature inside the processing chamber 13 is gradually raised by the microwave, so that the material is pyrolyzed continuously, the state of the material is changed continuously, and the wave absorbing degree is also increased gradually.

The electromagnetic energy absorbed by the wave-absorbing material and the material is completely converted into heat energy to maintain the pyrolysis temperature, the material of the wave-absorbing component 22 can be silicon carbide, or can be at least one of iron oxide, copper oxide, manganese dioxide, barium titanate and ferrite, when more than one wave-absorbing component 22 is arranged in the treatment chamber 13, the material of each wave-absorbing component 22 can be the same or different, and the operator can select the wave-absorbing component according to the requirement.

Specifically, one or more microwave generators 21 may be arranged according to actual requirements, when a plurality of microwave generators 21 are arranged, the microwave generators 21 may be uniformly arranged on the outer wall of the casing 11 at intervals, for mutual interference between the microwave generators 21, the installation angles of two adjacent microwave generators 21 may be set differently, that is, the installation directions of two adjacent microwave generators 21 are different, and the microwave generators 21 are arranged in a staggered manner along the transverse and longitudinal directions of the casing 11, so as to avoid mutual interference of the microwave generators 21, ensure uniform field intensity distribution in the processing chamber 13, and good thermal stability.

In this embodiment, referring to fig. 2, the material processing apparatus 1 further includes a loading plate 12, a processing chamber 13 and a covering member 14, the loading plate 12 is disposed around the inside of the housing 11, the processing chamber 13 is sleeved inside the loading plate 12 to achieve the effect of fixing the processing chamber 13 inside the housing 11, wherein the accommodating chamber 131 for accommodating the material to be processed is disposed inside the processing chamber 13, the covering member 14 includes a cover plate 141, wherein the cover plate 141 is detachably covered on the upper end of the processing chamber 13 to cover the processing chamber 13, specifically, the upper end side wall of the processing chamber 13 and the side wall of the accommodating chamber 131 are disposed in a substantially flush state, so that the material can be easily taken out from the inside of the processing chamber 13 from the upper end of the processing chamber 13.

Referring to fig. 1, the processing chamber 13 may adopt a crucible structure, the wall thickness of the inner container of the crucible is set to 8-20mm, the wall thickness of the processing chamber 13 is increased to effectively improve the strength of the processing chamber 13, so that the processing apparatus can be applied to a 1-3kw high-power microwave pyrolyzer, while the pyrolysis efficiency is effectively improved, the processing chamber 13 can be packaged without cracking in the pyrolysis process, the inner container may be made of a quartz inner container made of silica with a purity greater than 99.9%, and the higher the purity of silica is, the better the wave permeability, the temperature resistance and the chemical stability are, in this embodiment, the inner container may also be made of other ceramic materials which do not absorb microwaves, and no further description is given here.

The wall thickness of the processing chamber 13 is uniformly and consistently arranged, which is beneficial to keeping the temperature of each position of the processing chamber 13 consistent, so that the material is uniformly heated; the inner wall of the housing 11 may be coated with a zinc plating layer and a conductive oxide layer to reduce the skin effect on the surface of the housing 11 and reduce the loss.

Specifically, referring to fig. 2, the cover plate 141 and the processing chamber 13 are detachably connected, in practical applications, an operator may set a groove 142 on a lower side surface of the cover plate 141, the groove 142 is used for inserting the upper end side wall of the processing chamber 13, wherein a shape radian of the groove 142 is adapted to a radian of the processing chamber 13, so as to ensure that the processing chamber 13 can be covered, of course, the processing chamber 13 may also be set to be cylindrical, the groove 142 is shaped as an annular groove, the wall of the processing chamber 13 is inserted into the groove 142, the covering is completed, the operation is facilitated, and the material after the pyrolysis treatment can be taken out from the processing chamber 13 from the upper end.

In this embodiment, referring to fig. 2, the physical processing apparatus further includes a stirrer 15, the stirrer 15 may be fixed on the cover plate 141, and extend along the axial direction of the processing chamber 13 to the bottom end of the processing chamber 13, the stirrer 15 may stir the material in the processing chamber 13 to accelerate the pyrolysis of the material, so that when a liner with a larger capacity is used, due to the stirring effect of the stirrer 15, a more uniform and faster effect of the pyrolysis of the material in the processing chamber 13 is achieved, specifically, the stirrer 15 may be set to a blade structure, or may be a spiral structure or other structures, as long as the stirrer can stir the material, so as to accelerate the pyrolysis of the material and uniformly pyrolyze the material in the processing chamber 13.

Wherein the aforesaid of being located the process chamber 13 is inhaled the wave part 22 and can be passed through the bolt, the riveting, modes such as welding are fixed on this agitator 15's body, also can be with inhaling the wave part 22 embedded in on agitator 15's outer wall, adopt and locate on agitator 15 with inhaling the wave part 22, after the realization pyrolysis treatment, when taking out agitator 15 from process chamber 13, inhale the wave part 22 and can take out simultaneously along with agitator 15, avoid directly placing above-mentioned wave part 22 in process chamber 13's inside, mix together with the material, will inhale the defect that wave part 22 was transferred from the material again, the operation is simplified, high durability and convenient use, be convenient for carry out subsequent processing to the material after the pyrolysis treatment.

In this embodiment, in order to ensure that the device is in a stable and sealed state during the pyrolysis reaction, a supporting plate 16 may be disposed at the lower end of the processing chamber 13, and an elastic connecting member 17 having two ends respectively connected to the supporting plate 16 and the processing chamber 13 may be disposed between the supporting plate 16 and the processing chamber 13, where the elastic connecting member 17 may be a spring member with a relatively high strength.

In this embodiment, the microwave heating system further includes a heat insulation device 3, the heat insulation device 3 is disposed between the processing chamber 13 and the housing 11 to form a heat insulation cavity 31, wherein a heat insulation material may be filled in the heat insulation cavity 31, so that when the material in the processing chamber 13 is undergoing a pyrolysis reaction, heat exchange between the processing chamber 13 and the outside can be reduced, and smooth proceeding of the pyrolysis reaction is ensured, the heat insulation material may be heat insulation cotton or other materials, and the material of the heat insulation material is not required, as long as it can resist high temperature, does not absorb microwave, is nonflammable, has good heat insulation performance, and reduces heat exchange between the material in the processing chamber 13 and the outside.

In this embodiment, the microwave heating system further includes a temperature measuring device 4, the temperature measuring device 4 may be disposed inside the processing chamber 13, specifically, the temperature measuring device 4 may extend along the axial direction of the stirrer 15 to the lower end of the stirrer 15 for measuring the temperature of the material in the processing chamber 13, and the temperature measuring device 4 may be a sensor type temperature measuring device 4, which has a function of shielding the microwave.

The utility model discloses a microwave heating system's working process:

covering a cover plate 141 on a processing chamber 13, conveying the material to be pyrolyzed to the inside of the processing chamber 13 of a shell 11 through a feeding channel 18, then introducing inert gas (such as nitrogen and the like) into the processing chamber 13 to discharge oxygen in the processing chamber 13, opening a microwave generator 21 after the processing chamber 13 is filled with the inert gas, absorbing the microwave emitted by the microwave generator 21 by a wave absorbing part 22, absorbing electromagnetic energy generated by the microwave generator 21 mainly by the wave absorbing part 22 in the processing chamber 13 at the beginning and transmitting the electromagnetic energy to the material, continuously changing the state of the material to be processed by pyrolysis along with the rise of the temperature in the processing chamber 13 until pyrolysis reaction is completed, performing microwave pyrolysis reaction on the material to be processed, discharging mixed gas generated after the pyrolysis reaction from a high-temperature oil-gas outlet 19, opening the cover plate 141 after the mixed gas is discharged, the processed material is then taken out from the inside of the processing chamber 13 from the upper end, and the pyrolysis test of the material is completed.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A material processing device is characterized by comprising,

the device comprises a shell (11) and a bearing plate (12) annularly arranged along the inner wall of the shell (11);

the treatment chamber (13) is sleeved in the bearing plate (12), and an accommodating cavity (131) for accommodating materials to be treated is formed in the treatment chamber (13);

the covering component (14) comprises a cover plate (141), the cover plate (141) is detachably covered on the upper end of the processing chamber (13), and the side wall of the upper end of the processing chamber (13) is basically flush with the side wall of the accommodating cavity (131).

2. A material handling device according to claim 1, c h a r a c t e r i z e d in that the underside of the cover plate (141) is provided with a slot (142) into which the upper side wall of the treatment chamber (13) is inserted.

3. A material handling device according to claim 2, c h a r a c t e r i z e d in that the handling chamber (13) is cylindrical and the trough (142) is an annular trough.

4. A material processing device according to any one of claims 1-3, characterized in that the wall thickness of the processing chamber (13) is 8-20 mm.

5. A material handling device according to any one of claims 1-3, further comprising an agitator (15) secured to the cover plate (141), the agitator (15) extending in the direction of the axis of the processing chamber (13) towards the bottom end of the processing chamber (13).

6. A material handling device according to any one of claims 1-3, further comprising a support plate (16) arranged at the lower end of the treatment chamber (13), wherein between the support plate (16) and the treatment chamber (13) there is provided a resilient connecting member (17) having two ends connected to the support plate (16) and the treatment chamber (13), respectively.

7. A material handling device according to claim 1, further comprising a feed channel (18) communicating with the receiving chamber (131) through a side wall of the processing chamber (13), the feed channel (18) feeding material to be handled into the receiving chamber (131).

8. A microwave heating system is characterized by comprising

A material handling device (1) being a material handling device (1) according to any of claims 1-7;

the microwave generating device (2), the microwave generating device (2) comprises at least one microwave generator (21) and a wave absorbing component (22), the microwave generator (21) is arranged on the outer wall of the shell (11),

the wave absorbing component (22) is fixed inside the processing chamber (13).

9. A microwave heating system according to claim 8, further comprising a thermal insulation means (3), said thermal insulation means (3) being arranged between said process chamber (13) and said housing (11) to form a thermal insulation cavity (31).

10. A microwave heating system according to claim 9, further comprising a temperature measuring device (4) extending in the axial direction of the stirrer (15) to the lower end of the stirrer (15).

Images