CN208949205U - The coal-water slurry gasification burner of integrated ignition function - Google Patents
The coal-water slurry gasification burner of integrated ignition function Download PDFInfo
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- CN208949205U CN208949205U CN201821363189.0U CN201821363189U CN208949205U CN 208949205 U CN208949205 U CN 208949205U CN 201821363189 U CN201821363189 U CN 201821363189U CN 208949205 U CN208949205 U CN 208949205U
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Abstract
The utility model discloses the coal-water slurry gasification burners of integrated ignition function, comprising: central tube, water-coal slurry pipe, outer oxygen pipe and ignition module.Wherein, there is air inlet on the side wall of central tube, there is along central tube length direction in the side wall of central tube and run through the channel of sunkening cord at both ends;Water-coal slurry pipe is set in outside central tube, and water-coal-slurry channel is formed between central tube, has water-coal-slurry entrance on the side wall of water-coal slurry pipe;Outer oxygen pipe sleeve is located at outside water-coal slurry pipe, and oxygen channel is formed between water-coal-slurry casing, has oxygen intake on the side wall of outer oxygen pipe;Ignition module includes: electrode tube, electrode connecting line and point discharge terminal, and electrode tube is connected by ceramic insulation circle with the outlet end of central tube;Electrode connecting line is extended through ceramic insulation circle by channel of sunkening cord and is connected with electrode tube;Point discharge terminal is arranged on electrode tube.The nozzle structure advantages of simple as a result, globality is strong, and the integration operation for can be realized igniting, heating up, feeding intake.
Description
Technical field
The utility model belongs to coal gasification field, specifically, the utility model relates to integrate the water-coal-slurry of ignition function
Gasification process burner.
Background technique
Process burner is the core equipment of coal slurry gasifier, and effect is that water-coal-slurry and oxygen are connected in proper proportions
Continue it is stable be transported in gasification furnace, and by reasonable runner design, realize that water-coal-slurry and oxygen are uniform in gasification furnace
Mixing, completes the gasification reaction of high temperature and pressure.The process burner of water-coal-slurry gasification furnace and igniter burner function of early stage separates, igniting
Igniter burner is mounted on top of gasification furnace when heating, when gasifier temperature is increased to 900-1000 DEG C, igniting of dismantling rapidly
Burner and Replacement procedure burner put into water-coal-slurry and oxygen, gasification furnace enter operating status.This igniting goes into operation mode in the presence of peace
The deficiencies of full property is poor, large labor intensity.Therefore, many people are optimized and improve to process burner in recent years, develop certainly
Coal-water slurry gasification burner with ignition function, such as " burner device of water-coal-slurry pressure gasification art of included igniter is (specially
Benefit number: 200910180587.8) ", which is arranged fire rod, although realizing integrated igniting, fire rod is in igniting
Extend into burner head, igniting is withdrawn into suitable position when completing upwards again, to avoid burner head high temperature to ignition power
Pole generates damage.But there are still certain defects for the setting, and such as: (1) even pumpback certain position, still in
In heart oxygen channel, oxygen washes away and corrodes and will cause the reduction in ignitor service life and even fail when operation;(2) it lights a fire
Electrode is inserted in the oxygen channel of center, occupies a part of effective circulation area, is also produced to the flow field of oxygen certain
It influences, directly influences the normal operation of gasification furnace;(3) fire rod is due to having the process of a dynamic withdrawing, fire rod and method
Sealing between orchid needs suitable processing, this virtually increases the difficulty of manufacture and use.Therefore, current existing water coal
Slurry pressure gasification process burner arrangement is still further improved.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose the coal water slurry gasification burner of integrated ignition function with a novel purpose, completely new point is devised in the burner
Fiery component completely instead of existing traditional fire rod, while also efficiently solving defect existing for fire rod.
One aspect according to the present utility model, the utility model proposes the coal-water slurry gasifications of integrated ignition function
Burner, comprising:
Central tube, the enterprising port of the side wall of the central tube, the air inlet respectively with gas inlet pipe, oxygen intake pipe
It is connected with purge gass air inlet pipe, has in the side wall of the central tube along the central tube length direction and through both ends
It sunkens cord channel;
Water-coal slurry pipe, the water-coal slurry pipe are set in outside the central tube, and form water-coal-slurry between the central tube
Channel has water-coal-slurry entrance on the side wall of the water-coal slurry pipe;
Outer oxygen pipe, the outer oxygen pipe sleeve is located at outside the water-coal slurry pipe, and forms oxygen between the water-coal-slurry casing
Channel has oxygen intake on the side wall of the outer oxygen pipe;
Ignition module, the ignition module include:
Electrode tube, the electrode tube are connected by ceramic insulation circle with the outlet end of the central tube;
Electrode connecting line, the electrode connecting line by the channel of sunkening cord be extended through the ceramic insulation circle with it is described
Electrode tube is connected;
Point discharge terminal, the point discharge terminal are arranged on the electrode tube.
The coal-water slurry gasification burner of the integrated ignition function of the utility model embodiment has ignition module as a result,
The ignition module structure is simple, and electrode tube and point discharge terminal are connected to the outlet end of central tube, and electrode connecting line then leads to
It crosses the channel of sunkening cord being arranged in central tube tube wall to protrude into and connect with electrode tube, and then provides high-voltage electricity for point discharge terminal.
Therefore each component setting in the ignition module does not influence the charging of central tube, and the ignition module structure is simple, not shadow
The overall construction of Xiangshui County's coal slurry gasification process burner, and only need to generate electrical fire by providing high-voltage electricity to point discharge terminal
Flower just can effectively realize ignition function, and it is more convenient to operate.
In addition, ignition module in the coal-water slurry gasification burner of the integrated ignition function of the utility model embodiment with
Traditional center fire rod is compared, and avoids the plug of fire rod during igniting-heats up-feeds intake, and then be not necessarily to special sealing
Processing, and then easy to operate, handling ease.And the not insertion of fire rod in central tube, maintain the complete of central passage
Property, flow field is unaffected, when guaranteeing design, the realization of set objective.
In addition, can be with according to the coal-water slurry gasification burner of the integrated ignition function of the utility model above-described embodiment
With following additional technical characteristic:
In the present invention, the point discharge terminal is arranged on the electrode tube and along direction and the vertical electricity
The direction of the central axis of pole pipe extends.
In the present invention, the point discharge terminal is multiple.
In the present invention, the multiple point discharge terminal is arranged in the free end of the electrode tube and uniformly divides
Cloth.
In the present invention, the discharge end of the multiple point discharge terminal is in the same plane, and the multiple
The extended line of the discharge end of point discharge terminal intersects at same intersection point.
In the present invention, the intersection point is located on the central axis of the electrode tube.
In the present invention, the radius for the circle that the discharge end point of the multiple point discharge terminal is formed is the electrode
The 1/4-1/2 of bore.
In the present invention, the point discharge terminal is metals or its alloy material such as nickel, silver, platinum, titanium.
In the present invention, the electrode connecting line is insulated conductor.
In the present invention, the electrode connecting line is connected with high voltage power supply.
Detailed description of the invention
Fig. 1 is the structure according to the coal-water slurry gasification burner of the integrated ignition function of the utility model one embodiment
Schematic diagram.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
One aspect according to the present utility model, the utility model proposes the coal-water slurry gasifications of integrated ignition function
Burner is burnt below with reference to Fig. 1 coal-water slurry gasification that the integrated ignition function of the utility model specific embodiment is described in detail
Mouth.
Coal-water slurry gasification burner according to the integrated ignition function of the utility model specific embodiment includes: central tube
10, water-coal slurry pipe 20, outer oxygen pipe 30 and ignition module 40.
Wherein, have air inlet 11 on the side wall of central tube 10, air inlet 11 respectively with gas inlet pipe 12, oxygen intake pipe
13 are connected with purge gass air inlet pipe 14, have in the side wall of central tube 10 along 10 length direction of central tube and through both ends
It sunkens cord channel 15;Water-coal slurry pipe 20 is set in outside central tube 10, and water-coal-slurry channel 21, water-coal-slurry are formed between central tube 10
There is water-coal-slurry entrance 22 on the side wall of pipe 20;Outer oxygen pipe 30 is set in outside water-coal slurry pipe 20, and between water-coal-slurry casing 20
Oxygen channel 31 is formed, there is oxygen intake 32 on the side wall of outer oxygen pipe 30;
In addition, ignition module 40 includes: electrode tube 41, electrode connecting line 43 and point discharge terminal 44.Wherein, electrode tube
41 are connected by ceramic insulation circle 42 with the outlet end of central tube 10;Electrode connecting line 43 is extended through by channel 15 of sunkening cord
Ceramic insulation circle 42 is connected with electrode tube 41;Point discharge terminal 44 is arranged on electrode tube 41.
The coal-water slurry gasification burner of the integrated ignition function of the utility model embodiment has ignition module as a result,
40,40 structure of ignition module is simple, and electrode tube 41 and point discharge terminal 44 are connected to the outlet end of central tube 10, and electrode
Connecting line 43 is then protruded into and is connect with electrode tube 41 by the channel 15 of sunkening cord being arranged in 10 tube wall of central tube, and then is put for tip
Electric terminal 44 provides high-voltage electricity.Therefore each component setting in the ignition module 40 does not influence the charging of central tube 10, and
40 structure of ignition module is simple, does not influence the overall construction of coal-water slurry gasification burner, and only need by putting to tip
Electric terminal 44 provides high-voltage electricity and generates electric spark, just can effectively realize ignition function, and it is more convenient to operate.
In addition, ignition module in the coal-water slurry gasification burner of the integrated ignition function of the utility model embodiment with
Traditional center fire rod is compared, and avoids the plug of fire rod during igniting-heats up-feeds intake, and then be not necessarily to special sealing
Processing, and then easy to operate, handling ease.And the not insertion of fire rod in central tube, maintain the complete of central passage
Property, flow field is unaffected, when guaranteeing design, the realization of set objective.
Specific embodiment according to the present utility model, as shown in Figure 1, point discharge terminal 44 be arranged on electrode tube 41 and
Extend along towards the direction of the simultaneously central axis of vertical electrode pipe 41.Point discharge terminal 43 can be made to produce upon initiation as a result,
Raw spark is located on the central axis of electrode tube 41, and then can be further improved ignition success rate.
Specifically, above-mentioned point discharge terminal 44 can be multiple, and the electric spark generated when thus discharging is significantly higher than a little
The intensity of lighted torch, and then ignition success rate is available significantly improves.Preferably, above-mentioned multiple settings of point discharge terminal 44 exist
It the free end of electrode tube 41 and is uniformly distributed.And then can be further improved the stability of electric spark, improve ignition success rate.
Specific embodiment according to the present utility model, it is highly preferred that the discharge end position of above-mentioned multiple point discharge terminals 44
In in same plane, and the extended line of the discharge end of multiple point discharge terminals 44 intersects at same intersection point.It is possible thereby to make
The point spark that all point discharge terminals 44 generate converges, and then can significantly improve the intensity of electric spark.
Specific embodiment according to the present utility model, the extended line intersection of the discharge end of above-mentioned multiple point discharge terminals 44
In same intersection point, and the same intersection point is preferably placed on the central axis of electrode tube 41.I.e. when multiple point discharge terminals 44 simultaneously
When electric discharge generates electric spark, the center for concentrating on coal-water slurry gasification burner head of electric spark.And then when needs
When igniting, the valve of gas inlet pipe 12 and oxygen intake pipe 13 is opened, and is passed through fuel gas and oxygen, outer oxygen pipe in central tube 10
30 are passed through oxygen, combustion gas and oxygen is ignited under the action of the electric spark of head point center, and gasification furnace, which enters, to be completed a little
Fire operation, into the temperature rise period.Therefore, which can significantly improve electric spark intensity, improve ignition success rate.
In addition, as shown in Figure 1, specific embodiment according to the present utility model, above-mentioned multiple point discharge terminals 44 are put
The radius for the circle that electric endpoint is formed is the 1/4-1/2 of electrode bore.And then under the premise of effectively generating point spark, so that
Point discharge terminal 44 prevents take up the valid circulation area of central tube 10 as far as possible and influences the supply flow velocity of 10 fuel of central tube,
Guarantee the normal operation of gasification furnace.
Specific embodiment according to the present utility model, point discharge terminal 44 are metals or its alloy such as nickel, silver, platinum, titanium
Material.The point discharge terminal 44 has stronger heat-resisting quantity and abrasion-resistance as a result, and then guarantees the durable of ignition module
Property, improve the coal-water slurry gasification burner service life of integrated ignition function.
Specific embodiment according to the present utility model, electrode connecting line 43 are insulated conductor.Due to central tube 10, water-coal-slurry
Pipe 20, outer oxygen pipe 30 are conductive metal material, so electrode connecting line 43 inside central tube 10 by passing through, it has to be warranted that
The insulating properties of electrode connecting line 43, therefore 43 conduction of electrode connecting line can be effectively prevented using insulated conductor, and then improve water
The safety of coal slurry gasification process burner.
Specific embodiment according to the present utility model, electrode connecting line 43 are connected with high voltage power supply.From there through high-voltage electricity
Source, which provides high-voltage electricity to electrode tube 41, can effectively make point discharge terminal 44 generate electric spark, and then realize ignition function.
It is lighted a fire and is thrown according to the coal-water slurry gasification burner collection of the integrated ignition function of the utility model above-described embodiment
Expect dual function.Specifically, when ignition operation process includes: ignition operation, high voltage power supply provides high-voltage electricity, is connected by electrode
Line 43 is transmitted to point discharge terminal 44 and point discharge occurs for the air on burner head, generates electric spark.At this point, combustion gas into
12 valve of tracheae is opened, and central tube is passed through fuel gas, and 13 valve of oxygen intake pipe is opened, and outer oxygen pipe 30 is passed through oxygen, combustion gas and
Oxygen is ignited under the action of head point spark, and gasification furnace, which enters, completes ignition operation, into the temperature rise period.At this point, center
Pipe 10 walks combustion gas, without medium in water-coal slurry pipe 20, walks oxygen in outer oxygen pipe 30.
Feeding intake and running operating process includes: to increase outer 30 oxygen of oxygen pipe when the in-furnace temperature that gasifies is promoted to 800 DEG C
Amount is ready for investment water-coal-slurry, after guaranteeing that the abundance of oxygen supply, system are stablized, opens water-coal-slurry feed pipe valve, to
Water-coal-slurry is passed through in water-coal slurry pipe 20, water-coal-slurry is ignited, and simultaneously closes off 12 valve of gas inlet pipe, opens purge gass air inlet pipe
14 valves, purging are closed after 10 seconds, open simultaneously oxygen intake pipe 13, and oxygen is passed through into central tube 10, adjust amount of oxygen
Reach suitable ratio with the amount of water-coal-slurry, at this point, burner enters process operation state, at this point, walking oxygen, water in central tube 10
Coal slurry pipe 20 walks water-coal-slurry, and outer oxygen pipe 30 walks oxygen, forms the operating status that two layers of oxygen clips water-coal-slurry.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Identical embodiment or example need not be directed to by stating.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.In addition, without conflicting with each other, this field
Technical staff can carry out the feature of different embodiments or examples described in this specification and different embodiments or examples
Combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of coal-water slurry gasification burner of integrated ignition function characterized by comprising
Central tube, there is air inlet on the side wall of the central tube, the air inlet respectively with gas inlet pipe, oxygen intake pipe and
Purge gass air inlet pipe is connected, and has burying along the central tube length direction and through both ends in the side wall of the central tube
Line passage;
Water-coal slurry pipe, the water-coal slurry pipe are set in outside the central tube, and water-coal-slurry channel is formed between the central tube,
There is water-coal-slurry entrance on the side wall of the water-coal slurry pipe;
Outer oxygen pipe, the outer oxygen pipe sleeve is located at outside the water-coal slurry pipe, and forms oxygen channel between the water-coal-slurry casing,
There is oxygen intake on the side wall of the outer oxygen pipe;
Ignition module, the ignition module include:
Electrode tube, the electrode tube are connected by ceramic insulation circle with the outlet end of the central tube;
Electrode connecting line, the electrode connecting line are extended through the ceramic insulation circle and the electrode by the channel of sunkening cord
Pipe is connected;
Point discharge terminal, the point discharge terminal are arranged on the electrode tube.
2. the coal-water slurry gasification burner of integrated ignition function according to claim 1, which is characterized in that the tip
Discharging terminals are arranged on the electrode tube and extend along towards the direction of the simultaneously central axis of the vertical electrode tube.
3. the coal-water slurry gasification burner of integrated ignition function according to claim 2, which is characterized in that the tip
Discharging terminals are multiple.
4. the coal-water slurry gasification burner of integrated ignition function according to claim 3, which is characterized in that the multiple
Point discharge terminal is arranged in the free end of the electrode tube and is uniformly distributed.
5. the coal-water slurry gasification burner of integrated ignition function according to claim 4, which is characterized in that the multiple
The discharge end of point discharge terminal is in the same plane, and the extended line intersection of the discharge end of the multiple point discharge terminal
In same intersection point.
6. the coal-water slurry gasification burner of integrated ignition function according to claim 5, which is characterized in that the intersection point
On the central axis of the electrode tube.
7. the coal-water slurry gasification burner of integrated ignition function according to claim 6, which is characterized in that the multiple
The radius for the circle that the discharge end point of point discharge terminal is formed is the 1/4-1/2 of the electrode bore.
8. the coal-water slurry gasification burner of integrated ignition function according to claim 1-7, which is characterized in that
The point discharge terminal is metals or its alloy material such as nickel, silver, platinum, titanium.
9. the coal-water slurry gasification burner of integrated ignition function according to claim 8, which is characterized in that the electrode
Connecting line is insulated conductor.
10. the coal-water slurry gasification burner of integrated ignition function according to claim 9, which is characterized in that the electricity
Pole connecting line is connected with high voltage power supply.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109181774A (en) * | 2018-08-22 | 2019-01-11 | 清华大学山西清洁能源研究院 | The coal-water slurry gasification burner of integrated ignition function |
CN111057586A (en) * | 2019-12-17 | 2020-04-24 | 北京航化节能环保技术有限公司 | Coal water slurry gasification burner system |
CN112480971A (en) * | 2020-10-28 | 2021-03-12 | 中石化宁波工程有限公司 | Control method of pulverized coal gasification process for co-combustion of high-concentration organic waste liquid |
-
2018
- 2018-08-22 CN CN201821363189.0U patent/CN208949205U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109181774A (en) * | 2018-08-22 | 2019-01-11 | 清华大学山西清洁能源研究院 | The coal-water slurry gasification burner of integrated ignition function |
CN111057586A (en) * | 2019-12-17 | 2020-04-24 | 北京航化节能环保技术有限公司 | Coal water slurry gasification burner system |
CN112480971A (en) * | 2020-10-28 | 2021-03-12 | 中石化宁波工程有限公司 | Control method of pulverized coal gasification process for co-combustion of high-concentration organic waste liquid |
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Effective date of registration: 20190726 Address after: 100084 Beijing City, Haidian District Tsinghua Yuan Co-patentee after: Shanxi Clean Energy Research Institute, Tsinghua University Patentee after: Tsinghua University Address before: 030032 No. 10, electronic street, Taiyuan, Shanxi Patentee before: Shanxi Clean Energy Research Institute, Tsinghua University |