CN213542494U - Plasma melting furnace feeding system and plasma melting furnace - Google Patents
Plasma melting furnace feeding system and plasma melting furnace Download PDFInfo
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- CN213542494U CN213542494U CN202021475755.4U CN202021475755U CN213542494U CN 213542494 U CN213542494 U CN 213542494U CN 202021475755 U CN202021475755 U CN 202021475755U CN 213542494 U CN213542494 U CN 213542494U
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- granulator
- melting furnace
- weighing device
- plasma melting
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Abstract
The utility model provides a plasma melting furnace charge-in system and plasma melting furnace, plasma melting furnace charge-in system mainly includes granulator, weighing device and batcher. The granulator is used for preparing the uniformly mixed materials into material particles; the weighing device is arranged at the downstream of the granulator and is used for weighing the material particles; the feeder is arranged at the downstream of the weighing device and used for adjusting the speed of the material particles entering the plasma melting furnace. This application makes the flying dust and the fluxing agent of misce bene into the material granule through the granulator, makes flying dust and fluxing agent fully contact to enlarged its area of action in plasma melting furnace, reached the mesh that reduces the ash melting point in plasma melting furnace, guaranteed the operation effect of plasma melting furnace, this application has still realized the accurate of the accurate measurement of material granule and the speed of material granule income stove simultaneously and has controlled, make plasma melting furnace can the steady operation.
Description
Technical Field
The utility model relates to a plasma melting furnace throws material technical field, in particular to plasma melting furnace charge-in system and plasma melting furnace.
Background
The plasma melting technology can thoroughly destroy organic pollutants such as dioxin, furan and the like in the fly ash, changes heavy metals in the fly ash into molten slag to be effectively utilized, can make the fly ash harmless, volume-reduced and resource-changed, and is more and more paid more and more attention by people. In a feeding system of a plasma melting furnace, the fly ash and fluxing are insufficiently contacted in the furnace, and the effect of reducing the ash melting point cannot be achieved; meanwhile, the feeding amount of the melting furnace cannot be accurately measured. Therefore, there is a need to develop a new plasma furnace feeding system and a plasma furnace.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
The utility model aims at providing a can make the material fully contact, can accurately measure simultaneously and go into plasma melting furnace charge-in system and plasma melting furnace of stove material volume.
(II) technical scheme
In order to solve the above problem, the utility model provides a plasma melting furnace feed system, include: the granulator is used for preparing the uniformly mixed materials into material particles; the weighing device is arranged at the downstream of the granulator and is used for weighing the material particles; and the feeding machine is arranged at the downstream of the weighing device and is used for adjusting the speed of the material particles entering the plasma melting furnace.
Further, still include: the mixing bunker is provided with a mixing bunker feeding hole and a mixing bunker discharging hole, and the mixing bunker is used for uniformly mixing materials; the screw feeder is provided with a screw feeder feeding hole and a screw feeder discharging hole; the granulator is provided with a granulator feeding port and a granulator discharging port, the screw feeder feeding port is communicated with the mixing bin discharging port, the screw feeder discharging port is communicated with the granulator feeding port, and the screw feeder is used for quantitatively conveying uniformly mixed materials to the granulator.
Further, the mixing bunker is provided with a blade type electric stirrer for uniformly mixing materials.
Further, still include: the material particle conveying device is provided with a material particle conveying device feeding port and a material particle conveying device discharging port; the weighing device is provided with a weighing device feeding port and a weighing device discharging port; the material particle conveying device is used for conveying the material particles prepared by the granulator to the weighing device.
Further, the material particle conveying device comprises: the belt conveyor is provided with a belt conveyor feed inlet and a belt conveyor discharge outlet, and the belt conveyor feed inlet is communicated with the granulator discharge outlet and used for conveying the material particles; the bucket elevator is provided with a bucket elevator feed inlet and a bucket elevator discharge outlet, the bucket elevator feed inlet is communicated with the belt conveyor discharge outlet, and the bucket elevator discharge outlet is communicated with the weighing device feed inlet.
Further, the granulator is provided with a screener for screening the material particles with a preset particle size.
Further, still include: the gate valve is arranged between the weighing device and the feeder, the input end of the gate valve is communicated with the discharge hole of the weighing device, and the output end of the gate valve is communicated with the feed inlet of the feeder.
Further, the feeding machine is a star-shaped feeding machine, the star-shaped feeding machine is provided with a variable frequency motor, and the rotating speed of the variable frequency motor is changed to adjust the speed of the material particles entering the plasma melting furnace.
Further, the particle size of the material particles is 1-10 mm.
According to another aspect of the present application, there is provided a plasma melting furnace comprising: the plasma melting furnace feed system of any one of the preceding claims.
(III) advantageous effects
The above technical scheme of the utility model has following profitable technological effect:
this application makes the flying dust and the fluxing agent of misce bene into the material granule through the granulator, makes flying dust and fluxing agent fully contact to enlarged its area of action in plasma melting furnace, reached the mesh that reduces the ash melting point in plasma melting furnace, guaranteed the operation effect of plasma melting furnace, this application has still realized the accurate of the accurate measurement of material granule and the speed of material granule income stove simultaneously and has controlled, make plasma melting furnace can the steady operation.
Drawings
Fig. 1 is a schematic structural diagram of a feeding system of a plasma melting furnace according to an embodiment of the present invention.
Reference numerals:
1: a granulator; 2: a weighing device; 3: a feeder; 4: a mixing bin; 5: a screw feeder; 6: a belt conveyor; 7: a bucket elevator; 8: and (4) a gate valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the drawings a schematic view of an embodiment according to the invention is shown. The figures are not drawn to scale, wherein certain details may be omitted for clarity. The various regions shown in the figures and their relative sizes and positional relationships are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes and relative positions according to the actual requirements.
It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. 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.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
The applicant finds that the fly ash and the fluxing additive are fed separately, the fly ash and the fluxing additive are in serious phase separation and cannot be uniformly mixed, so that the fluxing additive and the fly ash are not fully contacted in a furnace, and the effect of reducing the ash melting point cannot be achieved; in addition, once the fly ash density changes, the feeding amount of the melting furnace cannot be accurately measured, and the plasma melting furnace cannot be stably operated.
Fig. 1 is a schematic structural diagram of a feeding system of a plasma melting furnace according to an embodiment of the present invention.
In the embodiment of the present invention, as shown in fig. 1, a feeding system of a plasma melting furnace is provided, which mainly comprises a granulator 1, a weighing device 2 and a feeder 3. The granulator 1 is used for preparing the uniformly mixed materials into material granules; the weighing device 2 is arranged at the downstream of the granulator 1, and the weighing device 2 is used for weighing the material particles; the feeder 3 is arranged at the downstream of the weighing device 2, and the feeder 3 is used for adjusting the speed of the material particles entering the plasma melting furnace.
Specifically, the material comprises fly ash and fluxing additives.
In some embodiments, a plasma melter feeding system further comprises a mixing silo 4 and a screw feeder 5. The mixing bunker 4 is provided with a mixing bunker feeding hole and a mixing bunker discharging hole, and the mixing bunker 4 is used for uniformly mixing materials; the screw feeder 5 is provided with a screw feeder feeding port and a screw feeder discharging port; the granulator is provided with granulator feed inlet and granulator discharge gate, and screw feeder feed inlet and mixing bunker discharge gate intercommunication, screw feeder discharge gate and granulator feed inlet intercommunication for convey the material ration of 4 misce benes in mixing bunker to granulator 1.
Specifically, the fly ash is added into the mixing bunker 4 after being metered, the amount of the fluxing additive is determined according to a preset proportion, the fluxing additive is added into the mixing bunker 4 after being metered, and the fly ash and the fluxing additive are uniformly mixed through the mixing bunker 4. The mixing bunker 4 is positioned above the screw feeder 5, and the discharge port of the mixing bunker is arranged at the bottom, so that the material discharged from the discharge port of the mixing bunker directly enters the feed port of the screw feeder. The screw feeder 5 is provided with a weighing component, and a discharge port of the screw feeder is positioned above a feed port of the granulator. After the uniformly mixed fly ash and fluxing additive mixed material enters the screw feeder 5, the material is quantitatively conveyed to the granulator 1 through the screw feeder 5 for granulation.
In some embodiments, the mixing silo 4 is provided with a paddle-type electric stirrer for homogeneously mixing the material.
In some embodiments, a plasma furnace feed system further comprises a material particle transport device. This material granule conveyer is provided with material granule conveyer feed inlet and material granule conveyer discharge gate, and material granule conveyer feed inlet and granulator discharge gate intercommunication, material granule conveyer discharge gate and weighing device feed inlet intercommunication for convey the material granule of granulator 1 preparation to weighing device 2.
In some embodiments, the material particle transfer means comprises a belt conveyor 6 and a bucket elevator 7. The belt conveyor 6 is provided with a belt conveyor feed inlet and a belt conveyor discharge outlet, and the belt conveyor feed inlet is communicated with the granulator discharge outlet and is used for conveying material particles; the bucket elevator 7 is provided with a bucket elevator feed inlet and a bucket elevator discharge outlet, the bucket elevator feed inlet is communicated with the belt conveyor discharge outlet, and the bucket elevator discharge outlet is communicated with the weighing device 2 feed inlet.
Specifically, the granulator 1 is positioned above the belt conveyor 6, a discharge hole of the granulator is arranged at the bottom of the granulator 1, and a feed hole of the belt conveyor is arranged below the discharge hole of the granulator 1, so that material particles discharged from the granulator 1 enter the feed hole of the belt conveyor; the feed inlet of the bucket elevator is positioned below the discharge outlet of the belt conveyor, the bucket elevator 7 lifts the material particles from low to high to the discharge outlet of the bucket elevator, and the discharge outlet of the bucket elevator is positioned above the feed inlet of the weighing device, so that the material particles enter the weighing device 2 for weighing.
In some embodiments, the granulator 1 is provided with a sifter for sifting particles of material of a predetermined size.
Specifically, the granulator 1 comprises a screening machine, namely a granulator and screening machine integrated machine. The material particles after granulation of the granulator 1 are screened out by a screening machine according to the preset particle size to screen out the material particles smaller than the preset particle size, and a large amount of smoke can be generated in the process that small material particles can be combusted in the plasma melting furnace. Returning the material particles with improper preset particle size to re-pelletize. The screened material particles enter a bucket elevator 7 through a belt scale.
In some embodiments, the particles of the material have a particle size of 1-10 mm. For example, the particle size of the material particles is one of 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm and 10 mm.
In some embodiments, pelletizer 1 is a dry pelletizer.
In some embodiments, the feeding machine 3 is a star-shaped feeding machine, the star-shaped feeding machine is provided with a variable frequency motor, and the working state of the plasma melting furnace is further controlled by changing the rotating speed of the variable frequency motor to adjust the speed of the material particles entering the plasma melting furnace, so that the material particles are fully combusted, and the stable operation of the plasma melting furnace is ensured.
Specifically, the star-shaped feeder is connected with the plasma melting furnace in a sealing mode, and therefore smoke in the plasma melting furnace is prevented from being discharged from the connection position of the star-shaped feeder and the plasma melting furnace. In addition, the star feeder can not physically damage the material particles in the process of adjusting the material particles to enter the plasma melting furnace, so that the material particles are damaged into powder or ash, the powder or ash material can not be fully combusted, but is discharged out of the furnace together with smoke, the environment is polluted, and the purpose of combustion treatment can not be achieved.
In some embodiments, a plasma furnace feed system further comprises a gate valve 8. This push-pull valve 8 sets up between transition feed bin and batcher 3, and the input and the transition feed bin discharge gate intercommunication of push-pull valve 8, the output and the batcher 3 feed inlet intercommunication of push-pull valve 8.
Specifically, the gate valve 8 is used for isolating the transition bin and the star-shaped feeder 3, and when the feeding system is in a working state, the gate valve 8 is kept in an open state; when needs overhauld star type batcher 3, close push-pull valve 8 to block that the material gets into star type batcher 3, avoid the injury that causes to the maintainer, when feed system was in operating condition promptly, realized the isolation of transition feed bin and star type batcher 3 through push-pull valve 8, accomplish the maintenance work to star type batcher 3.
The weighing device 2 is a transition bin. The transition feed bin is equipped with the part of weighing, can show the weight of material granule in real time, and the transition feed bin weighs the material granule of predetermineeing weight, and the material granule of predetermineeing weight gets into star type dispenser after 8 through the electronic push-pull valve that transition feed bin lower part set up, through changing star type dispenser motor speed, adjusts the speed of going into the stove material, and the operating condition of control plasma melting furnace guarantees the steady operation of plasma melting furnace.
According to another aspect of the present application, there is provided a plasma furnace comprising the plasma furnace feed system of any of the preceding claims.
The above technical scheme of the utility model has following profitable technological effect:
this application makes the flying dust and the fluxing agent of misce bene into the material granule through the granulator, makes flying dust and fluxing agent fully contact to enlarged its area of action in plasma melting furnace, reached the mesh that reduces the ash melting point in plasma melting furnace, guaranteed the operation effect of plasma melting furnace, this application has still realized the accurate of the accurate measurement of material granule and the speed of material granule income stove simultaneously and has controlled, make plasma melting furnace can the steady operation. The above description refers to the embodiments of the present invention. However, these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof. Various alternatives and modifications can be devised by those skilled in the art without departing from the scope of the invention, and these alternatives and modifications are intended to be within the scope of the invention.
Claims (10)
1. A plasma furnace feed system, comprising:
the granulator (1) is used for preparing the uniformly mixed materials into material granules;
the weighing device (2) is arranged at the downstream of the granulator (1), and the weighing device (2) is used for weighing the material particles;
and the feeding machine (3) is arranged at the downstream of the weighing device (2), and the feeding machine (3) is used for adjusting the speed of the material particles entering the plasma melting furnace.
2. The plasma furnace feed system of claim 1, further comprising:
the mixing bin (4) is provided with a mixing bin feeding hole and a mixing bin discharging hole, and the mixing bin (4) is used for uniformly mixing materials;
the screw feeder (5) is provided with a screw feeder feeding hole and a screw feeder discharging hole;
the granulator (1) is provided with a granulator feeding port and a granulator discharging port, the screw feeder feeding port is communicated with the mixing bin discharging port, the screw feeder discharging port is communicated with the granulator feeding port, and the screw feeder is used for quantitatively conveying uniformly mixed materials to the granulator (1).
3. The plasma furnace feed system of claim 2,
the mixing bin (4) is provided with a blade type electric stirrer for uniformly mixing materials.
4. The plasma furnace feed system of claim 2, further comprising:
the material particle conveying device is provided with a material particle conveying device feeding port and a material particle conveying device discharging port;
the weighing device (2) is provided with a weighing device feeding hole and a weighing device discharging hole;
the material particle conveying device is used for conveying the material particles prepared by the granulator (1) to the weighing device (2).
5. The plasma furnace feed system of claim 4, wherein the material particle transport device comprises:
the belt conveyor (6) is provided with a belt conveyor feed inlet and a belt conveyor discharge outlet, and the belt conveyor feed inlet is communicated with the granulator discharge outlet and used for conveying the material particles;
and the bucket elevator (7) is provided with a bucket elevator feeding port and a bucket elevator discharging port, the bucket elevator feeding port is communicated with the belt conveyor discharging port, and the bucket elevator discharging port is communicated with the weighing device feeding port.
6. The plasma furnace feed system of any of claims 1-5,
the granulator (1) is provided with a screening device for screening the material particles with preset particle sizes.
7. The plasma furnace feed system of claim 6, further comprising:
the gate valve (8) is arranged between the weighing device (2) and the feeding machine (3), the input end of the gate valve (8) is communicated with the discharge hole of the weighing device, and the output end of the gate valve (8) is communicated with the feed hole of the feeding machine (3).
8. The plasma furnace feed system of claim 7,
the feeding machine (3) is a star-shaped feeding machine which is provided with a variable frequency motor, and the rotating speed of the variable frequency motor is changed to adjust the speed of the material particles entering the plasma melting furnace.
9. The plasma furnace feed system of claim 8,
the particle size of the material particles is 1-10 mm.
10. A plasma furnace, comprising:
the plasma furnace feed system of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021475755.4U CN213542494U (en) | 2020-07-23 | 2020-07-23 | Plasma melting furnace feeding system and plasma melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021475755.4U CN213542494U (en) | 2020-07-23 | 2020-07-23 | Plasma melting furnace feeding system and plasma melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213542494U true CN213542494U (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021475755.4U Active CN213542494U (en) | 2020-07-23 | 2020-07-23 | Plasma melting furnace feeding system and plasma melting furnace |
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|---|---|
| CN (1) | CN213542494U (en) |
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- 2020-07-23 CN CN202021475755.4U patent/CN213542494U/en active Active
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