CN206944727U - A kind of electrode system and plasma melting stove for plasma melting stove - Google Patents
A kind of electrode system and plasma melting stove for plasma melting stove Download PDFInfo
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- CN206944727U CN206944727U CN201720825493.1U CN201720825493U CN206944727U CN 206944727 U CN206944727 U CN 206944727U CN 201720825493 U CN201720825493 U CN 201720825493U CN 206944727 U CN206944727 U CN 206944727U
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- electrode
- plasma melting
- electrode system
- melting stove
- arc
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Abstract
The utility model provides a kind of electrode system and plasma melting stove for plasma melting stove, and the electrode system for plasma melting stove includes：At least one electrode moved up and down at the top of the melting furnace, wherein the electrode is hollow structure, the electrode is connected by the hollow space with the furnace interior.According to the electrode system of the present utility model for plasma melting stove, the electrode of hollow structure can compression arc, improve arc temperature, enhancing arcing stability and arc column directionality, prevent inclined arc and reduce power consumption and consumption of electrode；And without water cooling, heat loss is smaller, thus electric conversion efficiency is higher, reduces operating cost；In addition, removable electrode is advantageous to adjust voltage up and down, and pilot arc is stable.
Description
Technical field
Danger wastes incineration technology field is the utility model is related to, is used for plasma melting stove in particular to one kind
Electrode system and plasma melting stove, a kind of more particularly to electrode system and plasma for danger wastes incineration residue
Melting furnace.
Background technology
At present, danger wastes are carried out burning disposal by the annual danger wastes yield in China more than 40,000,000 tons,
Be a kind of reduced training it is most obvious, it is innoxious most thoroughly, burn heat can effectively utilize processing danger wastes method,
Thus it is widely used.The danger wastes incineration disposal factory built up at present, typically based on day processing 30-100 tons, then
Year treating capacity is 10,000-3 ten thousand tons.If day processing is 30 tons, if year processing is 10,000 tons, calculated by current 30% lime-ash amount,
3000 tons of incineration residue will be produced.
Lime-ash is flying dust and the abbreviation of bottom ash, and wherein flying dust is to be arranged in rubbish or danger wastes burning process with flue gas
The molecule gone out, wherein containing heavy metal He the material such as bioxin, belongs to danger wastes；Bottom ash is that rubbish or danger are useless
Caused after-flame material in gurry burning process, wherein containing heavy metal, its property also belongs to danger wastes.Therefore, endanger
Lime-ash caused by dangerous castoff burning is still danger wastes, and the major way disposed at present is to enter danger wastes landfill yard
Processing, the landfill cost of this processing mode is high and takes a large amount of soils, does not tackle the problem at its root.How this is realized
The appropriate disposal of class secondary pollution has turned into danger wastes and has burned field urgent problem to be solved.
Plasma melting stove be by high temperature caused by plasma-arc (center is up to 7000 DEG C) rapidly by flying dust and
Bottom ash becomes the reactor of molten condition, is a kind of mode and dress by flying dust and bottom ash harmless treatment and recycling
Put.For plasma melting stove, current negative electrode uses solid graphite electrode, and arc temperature is relatively low, and stability is poor, electrode
Consume larger, reduce the efficiency of electric arc, increase processing cost.
Therefore, it is necessary to provide a kind of new electricity for plasma melting stove for the processing of danger wastes incineration residue
Electrode systems and plasma melting stove, to solve above-mentioned technical problem.
Utility model content
A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part
Middle further description.Utility model content part of the present utility model is not meant to attempt to limit claimed
Technical scheme key feature and essential features, do not mean that the guarantor for attempting to determine technical scheme claimed more
Protect scope.
For current deficiency, the utility model provides a kind of electrode system for plasma melting stove, including：It is located at
At least one electrode moved up and down at the top of the melting furnace, wherein the electrode is hollow structure, the electrode passes through institute
Hollow space is stated with the furnace interior to be connected.
Further, the electrode system also includes the conductive cross arm for clamping the side wall of the electrode.
Further, the electrode system also include be arranged at below the conductive cross arm be used for move up and down the electrode
Hydraulic system.
Further, the hollow space of the electrode is used to working gas being passed into the plasma melting stove.
Further, the working gas includes nitrogen.
Further, the electrode includes graphite electrode.
Further, the electrode is provided at both ends with helicitic texture.
Further, the electrode includes stick electrode or columnar electrode.
Further, the conductive cross arm is horizontally disposed.
The utility model also provides a kind of plasma melting stove, includes above-mentioned electrode system.
In summary, according to the electrode system of the present utility model for plasma melting stove, the electrode energy of hollow structure
Enough compression arcs, arc temperature, enhancing arcing stability and arc column directionality are improved, inclined arc is prevented and reduces power consumption and electrode
Consumption；And without water cooling, heat loss is smaller, thus electric conversion efficiency is higher, reduces operating cost；It is in addition, removable up and down
Electrode be advantageous to adjust voltage, and pilot arc is stable.
Brief description of the drawings
Drawings below of the present utility model is used to understand the utility model in this as a part of the present utility model.Accompanying drawing
In show embodiment of the present utility model and its description, for explaining principle of the present utility model.
In accompanying drawing：
Fig. 1 is the structural representation of the plasma melting stove of the utility model embodiment.
Description of reference numerals：
100th, plasma melting stove 101, body of heater
102nd, electrode system 103, bottom construction
1021st, electrode 1022, helicitic texture
1023rd, conductive cross arm 1024, hydraulic system
Embodiment
In the following description, a large amount of concrete details are given more thoroughly to manage the utility model to provide
Solution.It is, however, obvious to a person skilled in the art that the utility model can be without one or more of these thin
Save and be carried out.In other examples, in order to avoid obscuring with the utility model, for more well known in the art
Technical characteristic is not described.
In order to thoroughly understand the utility model, specific embodiment will be proposed in following description, to explain this
How utility model improves the problem of presently, there are.Obviously, execution of the present utility model is not limited to those skilled in the art
The specific details that member is familiar with.Preferred embodiment of the present utility model is described in detail as follows, but in addition to these detailed descriptions,
The utility model can also have other embodiment.
It should be appreciated that when using term "comprising" and/or " comprising " in this manual, it is indicated described in presence
Feature, entirety, step, operation, element and/or component, but do not preclude the presence or addition of other one or more features, entirety,
Step, operation, element, component and/or combinations thereof.
The major way of disposal danger wastes incineration residue is to enter danger wastes landfill yard to handle at present, this place
The landfill cost of reason mode is high and takes a large amount of soils, does not tackle the problem at its root.And come for plasma melting stove
Say, current negative electrode uses solid graphite electrode, and arc temperature is relatively low, and stability is poor, and consumption of electrode is larger, reduces electric arc
Efficiency, increase processing cost.
Exemplary embodiment
Presence in view of the above problems, the utility model provide a kind of plasma melting stove 100, are tied as shown in Figure 1 for it
Structure schematic diagram, including body of heater 101, the electrode system 102 positioned at the top of body of heater 101 and the bottom construction positioned at bottom of furnace body
103.Wherein, the electrode system 102 is positioned at the central area at the top of body of heater 101, and the electrode system is as negative electrode, institute
State bottom construction 103 and be used as anode.
Operation principle of the present utility model is：Danger wastes lime-ash after burning enters plasma melting stove 100
Body of heater 101 in, the then caused direct current plasma electric arc between the electrode system 102 and the bottom construction 103
The lower heating melting of effect, danger wastes lime-ash, which is heated to melt to, completes During Vitrification in vitro.
Specifically, the electrode system 102 includes at least one electricity moved up and down positioned at the top of melting furnace 100
Pole 1021, wherein the electrode is hollow structure, the electrode is connected by the hollow space with the inside of body of heater 101
It is logical.Further, the electrode is hollow graphite electrode, the electrode of the hollow structure can compression arc, improve arc temperature,
Enhancing arcing stability and arc column directionality, prevent inclined arc and reduce power consumption and consumption of electrode；In addition, this electrode is without water
Cold, heat loss is smaller, thus capacity usage ratio is higher, substantially reduces the operating cost of grey Slag treatment；And do not have water seepage
Into plasma melting stove, thus it is safer；In addition, the electrode moved up and down is advantageous to adjust the electrode 1021 as negative electrode
The distance between anode in bottom construction, so as to adjust voltage, and pilot arc is stable.
Further, the electrode 1021 is vertically set, and is passed through by the hollow space of the electrode 1021
Working gas, the working gas include air, nitrogen, argon gas etc., and the working gas being passed through in the present embodiment is nitrogen, its
Effect is the temperature for reducing hollow graphite electrode, pilot arc, and molten bath is stirred.
Further, the electrode 1021 is provided at both ends with helicitic texture 1022, between multiple electrodes 1021
Connection.It is attached between multiple electrodes 1021 by the helicitic texture 1022, is convenient for changing electrode, is reduced and change electrode
Influence to body of heater running situation.
Further, the electrode system 102 also includes the conductive cross arm 1023 for clamping the side wall of the electrode 1021, electric current
The electrode 1021 is entered by the conductive cross arm 1023.Specifically, the conductive cross arm 1023 is horizontally disposed, and
Clamp the top half of the side wall of the electrode 1021.
Further, the electrode system 102 also includes being arranged at is used to move up and down below the conductive cross arm 1023
The hydraulic system of the electrode 1021, the hydraulic system 1024 can control the lifting of the conductive cross arm 1023, and then control
Make the lifting of the electrode 1021.
According to the electrode system of the present utility model for plasma melting stove, the electrode of hollow structure can compress electricity
Arc, arc temperature, enhancing arcing stability and arc column directionality are improved, inclined arc is prevented and reduces power consumption and consumption of electrode；And
Without water cooling, heat loss is smaller, thus electric conversion efficiency is higher, reduces operating cost；In addition, removable electrode has up and down
Beneficial to regulation voltage, and pilot arc is stable.
The utility model is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is
For the purpose illustrated and illustrated, and it is not intended to the utility model being limited in described scope of embodiments.In addition ability
Field technique personnel are it is understood that the utility model is not limited to above-described embodiment, according to teaching of the present utility model also
More kinds of variants and modifications can be made, these variants and modifications all fall within the utility model scope claimed with
It is interior.The scope of protection of the utility model is defined by the appended claims and its equivalent scope.
Claims (10)
- A kind of 1. electrode system for plasma melting stove, it is characterised in that including：At least one electrode moved up and down at the top of the melting furnace, wherein the electrode is hollow structure, the electricity Pole is connected by the hollow space with the furnace interior.
- 2. electrode system according to claim 1, it is characterised in that the electrode system also includes clamping the electrode The conductive cross arm of side wall.
- 3. electrode system according to claim 2, it is characterised in that the electrode system also includes being arranged at the conduction The hydraulic system for being used to move up and down the electrode below transverse arm.
- 4. electrode system according to claim 1, it is characterised in that the hollow space of the electrode is used for working gas It is passed into the plasma melting stove.
- 5. electrode system according to claim 4, it is characterised in that the working gas includes nitrogen.
- 6. electrode system according to claim 1, it is characterised in that the electrode includes graphite electrode.
- 7. electrode system according to claim 1, it is characterised in that the electrode is provided at both ends with helicitic texture.
- 8. electrode system according to claim 1, it is characterised in that the electrode includes stick electrode or columnar electrode.
- 9. electrode system according to claim 2, it is characterised in that the conductive cross arm is horizontally disposed.
- 10. a kind of plasma melting stove, it is characterised in that include the electrode system described in one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720825493.1U CN206944727U (en) | 2017-07-07 | 2017-07-07 | A kind of electrode system and plasma melting stove for plasma melting stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720825493.1U CN206944727U (en) | 2017-07-07 | 2017-07-07 | A kind of electrode system and plasma melting stove for plasma melting stove |
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| Publication Number | Publication Date |
|---|---|
| CN206944727U true CN206944727U (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720825493.1U Active CN206944727U (en) | 2017-07-07 | 2017-07-07 | A kind of electrode system and plasma melting stove for plasma melting stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587119A (en) * | 2021-07-30 | 2021-11-02 | 光大环保技术研究院（深圳）有限公司 | Plasma ash melting system and automatic control method thereof |
-
2017
- 2017-07-07 CN CN201720825493.1U patent/CN206944727U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587119A (en) * | 2021-07-30 | 2021-11-02 | 光大环保技术研究院（深圳）有限公司 | Plasma ash melting system and automatic control method thereof |
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