CN204162665U - Overhead type multi nozzle of gasification furnace - Google Patents
Overhead type multi nozzle of gasification furnace Download PDFInfo
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- CN204162665U CN204162665U CN201420620615.XU CN201420620615U CN204162665U CN 204162665 U CN204162665 U CN 204162665U CN 201420620615 U CN201420620615 U CN 201420620615U CN 204162665 U CN204162665 U CN 204162665U
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- inner casing
- jet
- outlet
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- gasification furnace
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- 238000002309 gasification Methods 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 239000006200 vaporizer Substances 0.000 claims abstract description 38
- 238000010304 firing Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims description 56
- 239000003245 coal Substances 0.000 claims description 38
- 239000003250 coal slurry Substances 0.000 claims description 21
- 239000000498 cooling water Substances 0.000 claims description 16
- 230000008676 import Effects 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 16
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 20
- 108091006146 Channels Proteins 0.000 description 19
- 239000002826 coolant Substances 0.000 description 10
- 239000002893 slag Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 102000010637 Aquaporins Human genes 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000008239 natural water Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 108010063290 Aquaporins Proteins 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses a kind of overhead type multi nozzle of gasification furnace.Described overhead type multi nozzle of gasification furnace comprises: shell; Inner casing; Main jet, main jet is firing up and technological operation built up nozzle or firing up nozzle, and main jet is located at the top of shell and inner casing vertically; Multiple auxiliary jet, each auxiliary jet is technological operation nozzle, each auxiliary jet is located at the top of shell and inner casing obliquely, and the elongated central line of the elongated central line of the outlet of each wherein in multiple auxiliary jet and the outlet of main jet intersects at a point in vaporizer; First e Foerderanlage and the second e Foerderanlage, the first e Foerderanlage is connected with main jet, and the second e Foerderanlage is connected with auxiliary jet; Lower casing; And water cooler.There is according to the overhead type multi nozzle of gasification furnace of the utility model embodiment the advantages such as mixing of materials is good, residence time of material is long, efficiency of carbon conversion is high, processing power is large, Load Regulation is convenient, long service life.
Description
Technical field
The utility model relates to a kind of overhead type multi nozzle of gasification furnace.
Background technology
Existing vapourizing furnace comprises following two kinds.A kind of is the vapourizing furnace of single nozzle overhead, because the material outlet of the overhead nozzle of this vapourizing furnace is directly facing to the outlet of vapourizing furnace, therefore can there is " short circuit " (being called " short-circuit flow stock ") in some material, the residence time of this part material is short, causes the efficiency of carbon conversion of vapourizing furnace to reduce.And the black area at the top of the vaporizer of the vapourizing furnace of this single nozzle overhead is comparatively large, and the effecting reaction volume of vapourizing furnace is little.In addition, when processing coal amount and reaching more than 1500 tons/day, the treatment effect of this single nozzle overhead vapourizing furnace will be deteriorated.
The vapourizing furnace of alternative multi-products production, the nozzle of this vapourizing furnace is oppositely arranged between two.Although this vapourizing furnace solves " short-circuit flow stock " problem, material can be ejected on furnace wall, opposite by nozzle, significantly reduces the security of vapourizing furnace.And this vapourizing furnace, in operational process, can cause damage to refractory materials after the flame head-on collision of the nozzle ejection be oppositely arranged.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes and a kind ofly have that mixing of materials is good, residence time of material is long, efficiency of carbon conversion is high, effecting reaction volume is large, processing power is large, Load Regulation is convenient, security is high, the overhead type multi nozzle of gasification furnace of the advantage of long service life.
Comprise according to overhead type multi nozzle of gasification furnace of the present utility model: shell, the top of described shell and bottom are respectively equipped with housing entrance and housing outlet; Inner casing, it is interior and spaced apart with described shell that described inner casing is arranged on described shell, vaporizer is limited with in described inner casing, the top of described inner casing and bottom are respectively equipped with the inner casing import corresponding with described housing entrance and described housing outlet and inner casing exports, described inner casing is made up of membrane wall, and described membrane wall has entrance of cooling water and cooling water outlet; Main jet, described main jet is firing up and technological operation built up nozzle or firing up nozzle, and described main jet is located at the top of described shell and described inner casing vertically; Multiple auxiliary jet, each described auxiliary jet is technological operation nozzle, each described auxiliary jet is located at the top of described shell and described inner casing obliquely, and the elongated central line of the outlet of each wherein in multiple described auxiliary jet and the elongated central line of the outlet of described main jet intersect at a point in described vaporizer; First e Foerderanlage and the second e Foerderanlage, described first e Foerderanlage is connected with described main jet, and described second e Foerderanlage is connected with described auxiliary jet; Lower casing, described lower casing is connected with the bottom of described shell, defines deslagging chamber in described lower casing, and the bottom of described lower casing is provided with slag-drip opening, the upper portion side wall of described lower casing is provided with air outlet, and wherein said vaporizer is communicated with described deslagging chamber with inner casing outlet by described housing outlet; And water cooler, described water cooler is connected in the exterior bottom wall of described shell around described housing outlet, and the cooling channel that there is water cooler water-in, water cooler water outlet and formed within it.
There is according to overhead type multi nozzle of gasification furnace of the present utility model the advantages such as mixing of materials is good, residence time of material long, Load Regulation is convenient, efficiency of carbon conversion is high, effecting reaction volume is large, processing power is large, security is high, long service life.
In addition, above-mentioned according to the utility model overhead type multi nozzle of gasification furnace can also have following additional technical characteristic:
Multiple described auxiliary jet is arranged around described main jet, and the elongated central line of the outlet of described main jet overlaps with the medullary ray of described vaporizer.
Multiple described auxiliary jet is arranged equally spacedly in the circumference of described shell, and described auxiliary jet is 2-4.
Described first e Foerderanlage comprises the first coal slurry pump, and described first coal slurry pump is connected with described main jet, and described second e Foerderanlage comprises multiple second coal slurry pump, and multiple described second coal slurry pump is connected correspondingly with multiple described auxiliary jet.
Described first e Foerderanlage comprises the first coal slurry pump, described first coal slurry pump is connected with described main jet, described second e Foerderanlage comprises multiple second coal slurry pump, wherein multiple described auxiliary jet is symmetrical between two relative to described main jet, and each described second coal slurry pump is connected with symmetrical two described auxiliary jets.
Described first e Foerderanlage comprises the first pulverized coal channel, and described first pulverized coal channel is connected with described main jet, and described second e Foerderanlage comprises multiple second pulverized coal channel, and multiple described second pulverized coal channel is connected correspondingly with multiple described auxiliary jet.
Described first e Foerderanlage comprises the first pulverized coal channel, described first pulverized coal channel is connected with described main jet, the pulverized coal distributor that described second e Foerderanlage comprises the second pulverized coal channel and is connected with described second pulverized coal channel, described pulverized coal distributor is connected with each in multiple described auxiliary jet.
Described inner casing comprises: upper header, and described upper header is for annular is to limit described inner casing import; Lower collecting box, described lower collecting box is for annular is to limit the outlet of described inner casing; With multiple cooling tube, the two ends of each cooling tube are connected with described lower collecting box with described upper header respectively, and described multiple cooling tube extends abreast along the vertical direction.
Described shell comprises: upper cover; Lower cover; And direct tube section, the two ends of described direct tube section are connected with lower cover with described upper cover respectively.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the overhead type multi nozzle of gasification furnace according to the utility model embodiment;
Fig. 2 is the schematic diagram of the overhead type multi nozzle of gasification furnace according to another embodiment of the utility model;
Fig. 3 is the schematic diagram according to the utility model overhead type multi nozzle of gasification furnace of an embodiment again;
Fig. 4 is the enlarged diagram of part shown in the circle A in Fig. 1-3;
Fig. 5 is the enlarged diagram of part shown in the circle B in Fig. 1-3;
Fig. 6 is the vertical view of the overhead type multi nozzle of gasification furnace according to the utility model embodiment;
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Below with reference to the accompanying drawings overhead type multi nozzle of gasification furnace according to the utility model embodiment is described.As shown in figs 1 to 6, shell 100, inner casing 200, main jet 1, multiple auxiliary jet 12, first e Foerderanlage, the second e Foerderanlage, lower casing 300 and water cooler 9 is comprised according to the overhead type multi nozzle of gasification furnace of the utility model embodiment.
The top of shell 100 and bottom are respectively equipped with housing entrance and housing outlet.It is interior and spaced apart with shell 100 that inner casing 200 is arranged on shell 100, is limited with vaporizer in inner casing 200.The top of inner casing 200 and bottom are respectively equipped with the inner casing import corresponding with this housing entrance and this housing outlet and inner casing exports.Inner casing 200 is made up of membrane wall, and this membrane wall has entrance of cooling water N2 and cooling water outlet N3.
Main jet 1 is firing up and technological operation built up nozzle or firing up nozzle, and main jet 1 is located at the top of shell 100 and inner casing 200 vertically.Each auxiliary jet 12 is technological operation nozzle, and each auxiliary jet 12 is located at the top of shell 100 and inner casing 200 obliquely.Wherein, the elongated central line L2 of the outlet of each in multiple auxiliary jet 12 and elongated central line L1 of the outlet of main jet 1 intersects at a point in this vaporizer.This first e Foerderanlage is connected with main jet 1, and this second e Foerderanlage is connected with auxiliary jet 12.
Lower casing 300 is connected with the bottom of shell 100, defines deslagging chamber in lower casing 300, and the bottom of lower casing 300 is provided with lower casing 300, and the upper portion side wall of lower casing 300 is provided with air outlet N5.Wherein, this vaporizer is communicated with this deslagging chamber with the outlet of this inner casing by this housing outlet.Water cooler 9 is connected in the exterior bottom wall of shell 100 around this housing outlet, and the cooling channel that water cooler 9 has water cooler water-in, water cooler water outlet 91 and formed within it.
According to the overhead type multi nozzle of gasification furnace of the utility model embodiment by arranging main jet 1 and multiple auxiliary jet 12 and the elongated central line of the elongated central line of the outlet of each in multiple auxiliary jet 12 and the outlet of main jet 1 intersects at a point in vaporizer, thus not only can avoid the problem occurring material short circuit (" short-circuit flow stock "), eliminate the black area at the top of vaporizer, improve the effecting reaction volume of overhead type multi nozzle of gasification furnace, and auxiliary jet 12 can be prevented to be ejected on the wall of vaporizer by material, and after preventing flame from clashing, damage is caused to refractory materials.
That is, be overhead type multi-nozzle altogether intersection point vapourizing furnace according to the overhead type multi nozzle of gasification furnace of the utility model embodiment.The elongated central line that so-called " altogether intersection point " refers to the elongated central line of the outlet of each in multiple auxiliary jet 12 and the outlet of main jet 1 intersects at a point in vaporizer.
In addition, the problem of maximization can also be solved according to the overhead type multi nozzle of gasification furnace of the utility model embodiment, namely, when the process coal amount of the overhead type multi nozzle of gasification furnace according to the utility model embodiment reaches more than 1500 tons/day, the overhead type multi nozzle of gasification furnace according to the utility model embodiment still has good treatment effect.
In addition, owing to arranging multiple auxiliary jet 12 according to the overhead type multi nozzle of gasification furnace of the utility model embodiment, thus by dropping into one by one or inactive auxiliary jet 12, can carry out easily, regulate neatly the load of overhead type multi nozzle of gasification furnace.
Therefore, according to the overhead type multi nozzle of gasification furnace of the utility model embodiment, there is the advantages such as mixing of materials is good, residence time of material long, Load Regulation is convenient, efficiency of carbon conversion is high, effecting reaction volume is large, processing power is large, security is high, long service life.
Below with reference to the accompanying drawings overhead type multi nozzle of gasification furnace according to the utility model embodiment is described.Overhead type multi nozzle of gasification furnace according to the utility model embodiment may be used for atmospheric gasification technique, also may be used for pressure gasification process.
As shown in figs 1 to 6, shell 100, inner casing 200, main jet 1, multiple auxiliary jet 12, first e Foerderanlage, the second e Foerderanlage, lower casing 300, water cooler 9, positioning element 11 and airway 10 is comprised according to the vapourizing furnace of the utility model embodiment.
Shell 100 is bearing shell, and the top of shell 100 and bottom are respectively equipped with housing entrance and housing outlet.It is interior and spaced apart with shell 100 that inner casing 200 is arranged on shell 100, thus between inner casing 200 and shell 100, limit a space.The mode that inner casing 200 is arranged in shell 100 has no particular limits, and such as inner casing 200 can be hung and be positioned on the support outside vapourizing furnace.
Vaporizer is limited with in inner casing 200, vaporizer internal pressure is generally 0.1-9.0MPa substantially, the top of inner casing 200 and bottom are respectively equipped with the inner casing import corresponding with described housing entrance and described housing outlet and inner casing exports, such as, inner casing import is alignd in the vertical direction with housing entrance, and inner casing outlet is alignd in the vertical direction with housing outlet.Inner casing 200 is made up of membrane wall, and membrane wall has entrance of cooling water N2 and cooling water outlet N3.Thus, water can be utilized to cool inner casing 200, instead of the refractory brick in shell 100, improve the temperature that vaporizer can bear, such as, can reach more than 1400 degrees Celsius.Therefore, high-ash-fusion coal can be used to contain the raw gas of carbon monoxide and hydrogen as raw material production.
Advantageously, rare gas element can be supplied by independent pipeline in the space limited between inner casing 200 and shell 100, to prevent the gas reacting generation in vaporizer from entering described space, and change the air pressure balance in the described space of maintenance, ground and vaporizer.
Main jet 1 is arranged on the top of shell 100 and inner casing 200 to be stretched in described vaporizer by described housing entrance and described inner casing import.In other words, main jet 1 can be arranged in described housing entrance and described inner casing import, and shell 100 is stretched out in upper end, and lower end is stretched in vaporizer.
Each auxiliary jet 12 is arranged on the top of shell 100 and inner casing 200 to be stretched in described vaporizer by described housing entrance and described inner casing import.In other words, each auxiliary jet 12 can be arranged in described housing entrance and described inner casing import, and shell 100 is stretched out in upper end, and lower end is stretched in vaporizer.That is, described housing entrance and described inner casing import can be multiple, and multiple described housing entrance and multiple described inner casing import are for installing main jet 1 and multiple auxiliary jet 12.
Main jet 1 can be the firing up nozzle for lighting a fire specially.When overhead type multi nozzle of gasification furnace starts, main jet 1 pair of overhead type multi nozzle of gasification furnace is first utilized to heat up.When the in-furnace temperature of overhead type multi nozzle of gasification furnace reaches design temperature, first come into operation multiple auxiliary jet 12, and after the steady running of multiple auxiliary jet 12, cut off by the fuel gas of main jet 1, main jet 1 is stopped using.
Main jet 1 can also be firing up and technological operation built up nozzle.When overhead type multi nozzle of gasification furnace starts, main jet 1 pair of overhead type multi nozzle of gasification furnace is first utilized to heat up.When the in-furnace temperature of overhead type multi nozzle of gasification furnace reaches design temperature, first come into operation main jet 1, treats main jet 1 steady running and igniter fuel autogenous cutting is had no progeny, then the auxiliary jet 12 that comes into operation.Wherein, main jet 1 can have three imports N1a, N1b, N1c, is respectively used in vaporizer, spray into coal water slurry and oxygenant.
As shown in Figure 6, in an embodiment of the present utility model, multiple auxiliary jet 12 is arranged around main jet 1, and the elongated central line of the outlet of main jet 1 overlaps with the medullary ray of described vaporizer.The structure of overhead type multi nozzle of gasification furnace can be made thus more reasonable.
Advantageously, multiple auxiliary jet 12 is arranged equally spacedly in the circumference of shell 100, and auxiliary jet 12 is 2-4.That is, the angle between adjacent two auxiliary jets 12 is equal to each other.Such as, auxiliary jet 12 can be four, and the angle between adjacent two auxiliary jets 12 can be 90 degree.Wherein, the circumference of shell 100 is consistent with the circumference of inner casing 200.
Multiple auxiliary jet 12 is symmetrical between two relative to main jet 1.In other words, multiple auxiliary jet 12 is symmetrical between two relative to the medullary ray of described vaporizer.
In examples more of the present utility model, this first e Foerderanlage comprises the first coal slurry pump, and the first coal slurry pump is connected with main jet 1, and this second e Foerderanlage comprises multiple second coal slurry pump, and multiple second coal slurry pump is connected correspondingly with multiple auxiliary jet 12.
In other examples of the present utility model, when multiple auxiliary jet 12 is symmetrical arranged between two relative to main jet 1, each second coal slurry pump can be connected with symmetrical two auxiliary jets 12.
In an example of the present utility model, this first e Foerderanlage comprises the first pulverized coal channel, this first pulverized coal channel is connected with main jet 1, and this second e Foerderanlage comprises multiple second pulverized coal channel, and this second pulverized coal channel multiple is connected correspondingly with multiple auxiliary jet 12.
In another example of the present utility model, this first e Foerderanlage comprises the first pulverized coal channel, this first pulverized coal channel is connected with main jet 1, the pulverized coal distributor that this second e Foerderanlage comprises the second pulverized coal channel and is connected with this second pulverized coal channel, this pulverized coal distributor is connected with each in multiple auxiliary jet 12.
Lower casing 300 is connected with the bottom of shell 100, defines deslagging chamber in lower casing 300, and the bottom of lower casing 300 is provided with slag-drip opening 7, and the bottom of lower casing 300 can be formed as taper.The upper portion side wall of lower casing 300 is provided with air outlet N5, described vaporizer is communicated with described deslagging chamber with inner casing outlet by described housing outlet, thus after the coal water slurry sprayed in vaporizer and the reaction of oxygenant combustion gasification, the high-temperature gas of generation is entrained with lime-ash (comprising slag, non-slag and and other solidss) and enters described deslagging chamber by described housing outlet and inner casing outlet.
Water cooler 9 is connected in the exterior bottom wall of shell 100 around described housing outlet.Advantageously, water cooler 9 can be annular plate, is formed with cooling channel in annular plate, and annular plate is provided with the water cooler water-in and water cooler water outlet 91 that are communicated with cooling channel, water sprays in water cooler water outlet 91, for cooling from expellant gas in vaporizer and lime-ash.Advantageously, the water cooler water outlet 91 of water cooler 9 is flat-shaped in the annular extended along described annular plate circumference, therefore, the internal diameter of annular plate just can be expanded under abrasion state, for water cooler water outlet 91 not impact, water jet state still can be kept constant, be conducive to using high-ash-fusion coal, improve reliability of operation.
Positioning element 11 is arranged between the interior diapire of shell 100 and inner casing 200, for locating the lower end of inner casing 200.
The upper end of airway 10 is connected with water cooler 9, and the lower end of airway 10 to downward-extension, is provided with cooling-water duct in the wall of airway 10 in deslagging chamber, and airway 10 is provided with the water-in N4a with its inner cooling water channel connection, N4b and water outlet 101.
As shown in figs. 1 and 4, the water outlet of airway 10 is multiple, and be formed on the internal perisporium of airway 10, the water-in N4a of airway 10, N4b can be connected with external water source by the pipeline through lower casing 300, and water enters in airway 10 by pipeline and water-in N4a, N4b, then be injected to airway 10 by water outlet 101 inner, thus the gas fallen in airway 10 and lime-ash are cooled.
It will be appreciated that, the water outlet 101 of airway 10 and water-in N4a, N4b can be formed on the periphery wall of airway 10, in the case, water coolant only cools airway 10, and does not directly contact with lime-ash from the internal perisporium ejection of airway 10 with the gas fallen.
It should be noted that, in the utility model, the opening of such as slag-drip opening, air outlet, water-in should make broad understanding, such as, can be one section of pipe accordingly, and can arrange corresponding valve on these pipes, so that control the opening and closing of these openings.Such as, air outlet and escape pipe have identical implication.
In an example of the present utility model, as shown in figs. 1 and 4, airway 10 can be integrally formed with water cooler 9, such as, form the form that a upper surface has the cylinder of circular open.Thus, water cooler 9 and airway 10 can share water-in N4a, N4b, and the cooling-water duct of water cooler 9 inside is communicated with the cooling-water duct of airway 10 inside.The structure of water cooler 9 and airway 10 can be simplified so further.
As shown in Figure 1, in this embodiment, the below of the water coolant liquid level in lower casing 300 is stretched in the lower end of airway 10, when gas in vaporizer and lime-ash are fallen by airway 10, gas discharges vapourizing furnace through after the water coolant in lower casing 300 by the air outlet N5 on lower casing 300 top, reduce the temperature of gas further, and lime-ash is fallen in the water coolant of lower casing 300 bottom, discharged by slag-drip opening 7.
As described in figures 1 and 5, in specific embodiments more of the present utility model, inner casing 200 comprises upper header, lower collecting box and multiple cooling tube.Shown upper header is for annular is to limit described inner casing import, and equally, described lower collecting box exports to limit described inner casing for annular.Such as, described upper header and lower collecting box can be ring pipe, thus, manufacture simple.
The two ends of each cooling tube are connected with described lower collecting box with described upper header respectively, and described multiple cooling tube extends abreast along the vertical direction.Here, it should be noted that, cooling tube extends along the vertical direction can not be interpreted as that each cooling tube is necessary for vertically extending straight tube, and each cooling tube can radially bend local, as shown in Figure 1, but is that above-below direction extends generally.
Thus, the manufacture of inner casing 200 is more simple and convenient, is convenient to construct at the scene, reduces cost.
As shown in Figure 1, the entrance of cooling water N2 of inner casing 200 is positioned at the bottom of inner casing 200, and cooling water outlet N3 is positioned at the top of inner casing 200.As mentioned above, the water coolant entered from the entrance of cooling water N2 of bottom becomes steam water interface after heat exchange, natural water circulation principle can be relied on to discharge inner casing 200 from the cooling water outlet N3 on top, achieve water cycle better thus.
In a concrete example of the present utility model, as shown in Figure 1, shell 100 comprises three sections: upper cover 2, lower cover 4 and direct tube section 3, and the two ends of direct tube section 3 are connected with lower cover 4 with upper cover 2 respectively.Such as, upper cover 2, weld together, thus shell has oblong shape after lower cover 4 and direct tube section 3 can manufacture separately.
As shown in Figure 1, positioning element 11 comprises annular slotware 112 and annular plate 111.Annular slotware 112 is around to be arranged on described in housing outlet in shell 100 on diapire and to limit annular recesses.The upper end of annular plate 111 is arranged in the exterior bottom wall of inner casing 200 around described inner casing outlet, and the lower end of annular plate 111 is inserted in described annular recesses, locates the lower end of inner casing 200 thus.
As shown in Figure 1 and Figure 4, in embodiments more of the present utility model, advantageously, the water outlet 101 of airway 10 is multiple, multiple water outlet 101 distributes along the vertical direction with in circumference on the internal perisporium of airway 10, thus, the gas got off from vaporizer and lime-ash are the process fallen, first cooled by water cooler 9, then fall in airway 10, and by distribute from the whole length at airway 10 and the water cooling that sprays from the water outlet 101 that the internal perisporium of airway 10 circumferentially distributes, which thereby enhance cooling performance.
In embodiments more of the present utility model, water cooler 9 is annular plate, the opening direction of water cooler water outlet 91 in the horizontal direction and towards or to depart from the central axis of described annular plate directed, at the opening direction of water cooler water outlet 91 in the horizontal direction and when departing from the central axis orientation of described annular plate, the water sprayed from water cooler water outlet 91 can form eddy flow, improves cooling performance further.Alternatively, the opening direction of water cooler water outlet 91 dip down tiltedly towards or to depart from the central axis of described annular plate directed.
Therefore, according to embodiment of the present utility model, by the opening direction of adjustment water cooler water outlet 91, different jet water courses can be realized, regulate the cooling performance to gas and lime-ash thus.
The simple operation describing overhead type multi nozzle of gasification furnace embodiment illustrated in fig. 1 below.
Coal water slurry or coal dust and oxygenant are injected in vaporizer, in the reaction of vaporizer generating gasification, containing gas (CO, H in reaction product
2, H
2o, CO
2, CH
4deng), fusing with unfused containing charcoal lime-ash and other component a small amount of of bringing into crude fuel.The high-temperature gas produced is entrained with lime-ash and passes downwardly through water cooler 9 and airway 10, thus cooled and cooling, such as from more than 1300 degrees Celsius fast coolings, thus most of slag is solidified, slag after solidification, not molten solids and gas enter in the water in deslagging chamber, slag is discharged by slag-drip opening 7, and the air outlet N5 of gas out by being communicated with exhaust space from water discharges.
Below with reference to Fig. 2, another embodiment according to the overhead type multi nozzle of gasification furnace of the utility model embodiment is described.
As shown in Figure 2, cooling screen 8 is comprised further according to the overhead type multi nozzle of gasification furnace of another embodiment of the utility model.Cooling screen 8 can be such as cylindric, cooling screen 8 has cooling screen water-in N7 and cooling screen water outlet N8 and the cooling screen passage being communicated with cooling screen water-in N7 and cooling screen water outlet N8, the upper end of cooling screen 8 is connected with the exterior bottom wall of shell and is set in outside airway 10 to limit exhaust space with airway 10, air outlet N5 is communicated with the top of described exhaust space, such as, air outlet N5 is communicated with the top of exhaust space through cooling screen 8.
In a concrete example of the present utility model, as shown in Figure 2, the lower end of cooling screen 8 extend into below the water coolant liquid level in lower casing 300, and the lower end of airway 10 is positioned at described water coolant ullage, in the space that can prevent gas from entering between cooling screen 8 and lower casing 300 thus.
As shown in Figure 2, as mentioned above, according to natural water circulation principle, advantageously, cooling screen water-in N7 is positioned at the bottom of cooling screen 8, and cooling screen water outlet N8 is positioned at the top of cooling screen 8.
Other structures according to the vapourizing furnace of another embodiment of the utility model can be identical with above-described embodiment described in reference diagram 1, no longer repeated description here.
According to this embodiment of the present utility model, the lime-ash got off from vaporizer is fallen in the water coolant in shell 300, and the gas generated enters exhaust space after leaving airway 10 and moves upward in exhaust space, in the process moved upward, can be cooled further by cooling screen 8, then be discharged by air outlet N5.
The simple operation describing overhead type multi nozzle of gasification furnace embodiment illustrated in fig. 2 below.
Coal water slurry or coal dust and oxygenant are injected in vaporizer, the high-temperature gas produced is entrained with lime-ash and passes downwardly through water cooler 9 and airway 10, thus cooled and cooling, such as from more than 1300 degrees Celsius fast coolings, thus most of slag is solidified, the slag after solidification and not molten solids fall into the water in deslagging chamber, slag is discharged by slag-drip opening 7, and gas out enters exhaust space afterwards from airway 10, after being cooled by cooling screen 8, discharged by air outlet N5.
Below with reference to Fig. 3, the overhead type multi nozzle of gasification furnace according to the utility model embodiment is again described.
As shown in Figure 3, cooling screen 8 is comprised further according to the overhead type multi nozzle of gasification furnace of the utility model embodiment again.Cooling screen 8 can be such as cylindric, cooling screen 8 has cooling screen water-in N7 and cooling screen water outlet N8 and the cooling screen passage being communicated with cooling screen water-in N7 and cooling screen water outlet N8, the upper end of cooling screen 8 is connected with the exterior bottom wall of shell and is set in airway 10 to limit exhaust space with airway 10, air outlet N5 is communicated with the top of described exhaust space, such as, one section of escape pipe is communicated with the top of exhaust space through airway 10.It is to be appreciated that such as, because cooling screen 8 is set in airway 10, therefore the upper end of cooling screen 8 can be connected with the exterior bottom wall of shell 100 by the pull bar such as through water cooler 9.
In a concrete example of the present utility model, as shown in Figure 3, the lower end of airway 10 extend into below the water coolant liquid level in lower casing 300, and the lower end of cooling screen 8 is positioned at described water coolant ullage.
In this embodiment of the present utility model, the water outlet 101 of airway 10 can be formed on the inwall of airway 10, also can be formed on outer wall.
Other structures of vapourizing furnace according to Fig. 3 can be identical with embodiment illustrated in fig. 2 with Fig. 1, no longer repeated description here.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (9)
1. an overhead type multi nozzle of gasification furnace, is characterized in that, comprising:
Shell, the top of described shell and bottom are respectively equipped with housing entrance and housing outlet;
Inner casing, it is interior and spaced apart with described shell that described inner casing is arranged on described shell, vaporizer is limited with in described inner casing, the top of described inner casing and bottom are respectively equipped with the inner casing import corresponding with described housing entrance and described housing outlet and inner casing exports, described inner casing is made up of membrane wall, and described membrane wall has entrance of cooling water and cooling water outlet;
Main jet, described main jet is firing up and technological operation built up nozzle or firing up nozzle, and described main jet is located at the top of described shell and described inner casing vertically;
Multiple auxiliary jet, each described auxiliary jet is technological operation nozzle, each described auxiliary jet is located at the top of described shell and described inner casing obliquely, and the elongated central line of the outlet of each wherein in multiple described auxiliary jet and the elongated central line of the outlet of described main jet intersect at a point in described vaporizer;
First e Foerderanlage and the second e Foerderanlage, described first e Foerderanlage is connected with described main jet, and described second e Foerderanlage is connected with described auxiliary jet;
Lower casing, described lower casing is connected with the bottom of described shell, defines deslagging chamber in described lower casing, and the bottom of described lower casing is provided with slag-drip opening, the upper portion side wall of described lower casing is provided with air outlet, and wherein said vaporizer is communicated with described deslagging chamber with inner casing outlet by described housing outlet; With
Water cooler, described water cooler is connected in the exterior bottom wall of described shell around described housing outlet, and the cooling channel that there is water cooler water-in, water cooler water outlet and formed within it.
2. overhead type multi nozzle of gasification furnace according to claim 1, is characterized in that, multiple described auxiliary jet is arranged around described main jet, and the elongated central line of the outlet of described main jet overlaps with the medullary ray of described vaporizer.
3. overhead type multi nozzle of gasification furnace according to claim 2, is characterized in that, multiple described auxiliary jet is arranged equally spacedly in the circumference of described shell, and described auxiliary jet is 2-4.
4. overhead type multi nozzle of gasification furnace according to claim 2, it is characterized in that, described first e Foerderanlage comprises the first coal slurry pump, described first coal slurry pump is connected with described main jet, described second e Foerderanlage comprises multiple second coal slurry pump, and multiple described second coal slurry pump is connected correspondingly with multiple described auxiliary jet.
5. overhead type multi nozzle of gasification furnace according to claim 2, it is characterized in that, described first e Foerderanlage comprises the first coal slurry pump, described first coal slurry pump is connected with described main jet, described second e Foerderanlage comprises multiple second coal slurry pump, wherein multiple described auxiliary jet is symmetrical between two relative to described main jet, and each described second coal slurry pump is connected with symmetrical two described auxiliary jets.
6. overhead type multi nozzle of gasification furnace according to claim 2, it is characterized in that, described first e Foerderanlage comprises the first pulverized coal channel, described first pulverized coal channel is connected with described main jet, described second e Foerderanlage comprises multiple second pulverized coal channel, and multiple described second pulverized coal channel is connected correspondingly with multiple described auxiliary jet.
7. overhead type multi nozzle of gasification furnace according to claim 2, it is characterized in that, described first e Foerderanlage comprises the first pulverized coal channel, described first pulverized coal channel is connected with described main jet, the pulverized coal distributor that described second e Foerderanlage comprises the second pulverized coal channel and is connected with described second pulverized coal channel, described pulverized coal distributor is connected with each in multiple described auxiliary jet.
8. overhead type multi nozzle of gasification furnace according to claim 1, is characterized in that, described inner casing comprises:
Upper header, described upper header is for annular is to limit described inner casing import;
Lower collecting box, described lower collecting box is for annular is to limit the outlet of described inner casing; With
Multiple cooling tube, the two ends of each cooling tube are connected with described lower collecting box with described upper header respectively, and described multiple cooling tube extends abreast along the vertical direction.
9. overhead type multi nozzle of gasification furnace according to claim 1, is characterized in that, described shell comprises:
Upper cover;
Lower cover; With
Direct tube section, the two ends of described direct tube section are connected with lower cover with described upper cover respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420620615.XU CN204162665U (en) | 2014-10-24 | 2014-10-24 | Overhead type multi nozzle of gasification furnace |
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| CN201420620615.XU CN204162665U (en) | 2014-10-24 | 2014-10-24 | Overhead type multi nozzle of gasification furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104312633A (en) * | 2014-10-24 | 2015-01-28 | 清华大学 | Overhead multi-nozzle gasifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104312633A (en) * | 2014-10-24 | 2015-01-28 | 清华大学 | Overhead multi-nozzle gasifier |
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