CN102134511B - Gasification furnace - Google Patents
Gasification furnace Download PDFInfo
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- CN102134511B CN102134511B CN201110044695XA CN201110044695A CN102134511B CN 102134511 B CN102134511 B CN 102134511B CN 201110044695X A CN201110044695X A CN 201110044695XA CN 201110044695 A CN201110044695 A CN 201110044695A CN 102134511 B CN102134511 B CN 102134511B
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Abstract
The invention discloses a gasification furnace comprising an outer shell, an inner shell, a spray nozzle, a lower shell, a cooler, a positioning member and an air guide tube, wherein an inlet and an outlet are arranged at the top and the bottom of the outer shell respectively; the inner shell is arranged in and separated from the outer shell, provided with a gasification chamber in a positioning manner and consists of membrane walls provided with a cooling water inlet and a cooling water outlet; a deslagging chamber communicated with the gasification chamber is positioned in the lower shell, a deslagging opening is arranged at the bottom of the lower shell, and an air outlet is arranged on the side wall of the upper part of the lower shell ; the cooler surrounds the outlet on the outer shell and is connected at the outer bottom wall of the outer shell; the positioning member is arranged between the inner bottom wall of the outer shell and the inner shell; and the upper end of the air guide tube is connected with the cooler, and the lower end of the air guide tube is downwards extended in the deslagging chamber. The gasification furnace can use high ash fusion temperature coal as raw materials to produce gas, has strong capability of resisting gas scour and achieves convenient replacement.
Description
Technical field
The present invention relates to a kind of vapourizing furnace, especially relate to a kind of coal gasifier that adopts high-ash-fusion coal to contain the raw gas of carbon monoxide and hydrogen as raw material production.
Background technology
The internal layer of traditional with the coal water slurry the is air-flow bed coal-gasification stove of raw material uses the refractory brick material usually, therefore requires feed coal ash fusion point (FT) generally to be no more than 1400 ℃, has limited the selection to coal thus.For example the coal slurry gasifier of GE company requires generally not to be higher than 1350 ℃ to feed coal ash fusion point (FT).Therefore, this traditional vapourizing furnace has limited the use of raw material, the cheap coal that can't be widely used, and range of application is little.In addition, the manufacturing of refractory brick, installation, maintenance and replacing are very complicated, waste time and energy.In addition, the cooling performance of traditional vapourizing furnace is poor, and cost is high.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.For this reason, one object of the present invention is to propose a kind of vapourizing furnace, and it is that the vapourizing furnace crude fuel coal of raw material selects to be subject to ash fusion point, the problem of the cheap coal that can't be widely used that this vapourizing furnace can solve with the coal water slurry, and flexibility is wide, environmentally friendly.
Vapourizing furnace according to an embodiment of the invention comprises: shell, and the top of said shell and bottom are respectively equipped with shell import and housing outlet; Inner casing; It is interior and spaced apart with said shell that said inner casing is arranged on said shell; Be limited with vaporizer in the said inner casing; The top of said inner casing and bottom are respectively equipped with inner casing import corresponding with said shell import and said housing outlet and inner casing outlet, and said inner casing is made up of membrane wall, and said membrane wall has entrance of cooling water and cooling water outlet; Nozzle, said nozzle are arranged on the top of said shell and said inner casing to stretch in the said vaporizer through said shell import and said inner casing import; Lower casing; Said lower casing links to each other with the bottom of said shell, defines deslagging chamber in the said lower casing, and the bottom of said lower casing is provided with slag-drip opening; The upper portion side wall of said lower casing is provided with the air outlet, and wherein said vaporizer is communicated with said deslagging chamber through said housing outlet and inner casing outlet; Water cooler, said water cooler is connected on the exterior bottom wall of said shell around said housing outlet, and has water cooler water-in, water cooler water outlet and form cooling channel within it; Positioning element, said positioning element are arranged between the interior diapire and said inner casing of said shell; And gas tube; The upper end of said gas tube link to each other with said water cooler and the lower end of said gas tube in said deslagging chamber to extending below; Be provided with cooling-water duct in the wall of wherein said gas tube, said gas tube has water-in and the water outlet that is communicated with said cooling-water duct respectively.
According to the vapourizing furnace of the embodiment of the invention, vaporizer is made up of the inner casing that independent membrane wall constitutes, thus vaporizer in temperature can improve, thereby can use high-ash-fusion coal as raw material production gas.In addition, according to the vapourizing furnace of the embodiment of the invention, it is strong that the positioning element that between the interior diapire of shell and inner casing, is provided with is compared the anti-air scour ability of refractory brick, and change convenient.And owing to be provided with and can carry out the refrigerative water cooler to gas, the lime-ash that in vaporizer, falls, so cooling performance improves the work-ing life of having improved vapourizing furnace.
In some embodiments of the invention, said inner casing comprises: upper header, said upper header are that annular is to limit said inner casing import; Lower collecting box, said lower collecting box exports to limit said inner casing for annular; With a plurality of cooling tubes, the two ends of each cooling tube link to each other with said lower collecting box with said upper header respectively, and said a plurality of cooling tube extends abreast along the vertical direction.
According to the vapourizing furnace of the embodiment of the invention, inner casing is made up of annular upper header and lower collecting box and a plurality of cooling tubes of between upper header and lower collecting box, extending along the vertical direction side by side, so the manufacturing of inner casing is simpler.
In some embodiments of the invention, said upper header and lower collecting box are ring pipe.The two ends of a plurality of cooling tubes for example can weld together with upper header and lower collecting box respectively easily thus, have further improved the accessibility that inner casing is made.
In some embodiments of the invention, the entrance of cooling water of said inner casing is positioned at the bottom of said inner casing, and the cooling water outlet of said inner casing is positioned at the top of said inner casing.
Be arranged on the bottom of inner casing through entrance of cooling water with inner casing; Cooling water outlet is arranged on the top of inner casing; Make lime-ash and gas and other solids adverse currents in water coolant and the inner casing; And can utilize the natural circulation principle that water and steam mixture after the heat exchange are moved up, further improve cooling performance inner casing.
In some embodiments of the invention, said shell comprises: upper cover; Lower cover; And direct tube section, the two ends of said direct tube section link to each other with lower cover with said upper cover respectively.
Thus, for example upper cover, direct tube section and lower cover can weld together, and have improved the accessibility that shell is made.
In some embodiments of the invention, the lower end of said gas tube is positioned at the water coolant liquid level below of said lower casing.Thus, the gas that comes from vaporizer gets in the water coolant in the lower casing, in water coolant, comes out then, discharges through the air outlet, has further reduced temperature.
In some embodiments of the invention, said water cooler is an annular plate, and said water cooler water outlet is along circumferential extend annular flat-shaped of said annular plate.
Can cause abrasion to the water cooler ring exit when coming from the not molten in a large number lime-ash of vaporizer and not firing charcoal through water cooler.Because the water cooler water outlet is flats ringwise, flat water outlet shape does not become under the ring exit abrasive condition, and the water outlet kenel does not become yet, and can guarantee that vapourizing furnace normally moves.
In some embodiments of the invention, said water cooler is an annular plate, the opening direction along continuous straight runs of said water cooler water outlet and towards or to depart from the central axis of said annular plate directed.
Alternatively, said water cooler is an annular plate, the opening direction of said water cooler water outlet dip down tiltedly towards or to depart from the central axis of said annular plate directed.
Thus, according to vapourizing furnace of the present invention,, can adjust cooling performance easily through changing the water outlet opening direction of water cooler.
In some embodiments of the invention, said positioning element comprises: annular slotware, said annular slotware are installed on the interior diapire of said shell and limit annular recesses around said housing outlet; With annular plate, the upper end of said annular plate is installed on the exterior bottom wall of said inner casing and the lower end of said annular plate is inserted in the said annular recesses around the outlet of said inner casing.
According to the positioning element of the embodiment of the invention, simple in structure, manufacturing and easy for installation, long service life.
Vapourizing furnace according to the embodiment of the invention further comprises cooling screen; Said cooling screen have the cooling screen passage and respectively with the cooling screen water-in and the cooling screen water outlet of said cooling screen channel connection; The upper end of said cooling screen links to each other with the exterior bottom wall of said shell and is set in said gas tube outside to limit exhaust space with said gas tube, and wherein said air outlet is communicated with the top of said exhaust space.
In some embodiments of the invention, the lower end of said cooling screen is positioned at the water coolant liquid level below of said lower casing and the lower end of said gas tube is positioned at above the water coolant liquid level of said lower casing.
Through cooling screen being set and making the lower end of gas tube be positioned at water coolant liquid level top; Therefore, the gas of production gets into exhaust space, has reduced the temperature of gas; And in the process that gas rises; Can further cool off through cooling screen, and shield the heat that can reclaim gas, improve the thermo-efficiency of vapourizing furnace through water-cooled.
Vapourizing furnace according to the embodiment of the invention further comprises cooling screen; Said cooling screen have the cooling screen passage and respectively with the cooling screen water-in and the cooling screen water outlet of said cooling screen channel connection; The upper end of said cooling screen links to each other with the exterior bottom wall of said shell and is set in the said gas tube to limit exhaust space with said gas tube, and wherein said air outlet is communicated with the top of said exhaust space.
In some embodiments of the invention, the lower end of said cooling screen is positioned at the water coolant liquid level top of said lower casing and the lower end of said gas tube is positioned at below the water coolant liquid level of said lower casing.
Through cooling screen being arranged on the gas tube the inside, the air outlet need not to pass cooling screen, thereby structure is simpler.
In some embodiments of the invention, the water outlet of said gas tube is a plurality of, and said a plurality of water outlets are formed on the internal perisporium of said gas tube and upwards distribute with week along the vertical direction.
Through on the internal perisporium of gas tube,, can further improve cooling performance, and reduce the distortion of vapourizing furnace, the work-ing life of having improved vapourizing furnace lime-ash, gas and other solids along circumferentially and above-below direction a plurality of water outlets that distribute.
In some embodiments of the invention, said water cooler and said gas tube are integrally formed.Thus, the manufacturing of water cooler and gas tube is simpler.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the synoptic diagram of vapourizing furnace according to an embodiment of the invention;
Fig. 2 is the synoptic diagram of vapourizing furnace according to another embodiment of the present invention;
Fig. 3 is the synoptic diagram of vapourizing furnace according to yet another embodiment of the invention;
Fig. 4 is the enlarged diagram of part shown in the circle A among Fig. 1-3; With
Fig. 5 is the enlarged diagram of part shown in the circle B among Fig. 1-3.
Embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the present invention; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, connect integratedly, also can be to removably connect; It also can be the connection of two element internals; Can be directly to link to each other, also can link to each other indirectly, for those of ordinary skill in the art, can understand above-mentioned term concrete implication in the present invention as the case may be through intermediary.
Vapourizing furnace according to the embodiment of the invention is described with reference to the drawings below.
Shown in Fig. 1 and 4-5, comprise shell 100, inner casing 200, nozzle 1, lower casing 300, water cooler 9, positioning element 11 and gas tube 10 according to the vapourizing furnace of the embodiment of the invention.
Shell 100 is a bearing shell, and the top of shell 100 and bottom are respectively equipped with shell import and housing outlet.It is interior and spaced apart with shell 100 that inner casing 200 is arranged on shell 100, thereby between inner casing 200 and shell 100, limit a space.The mode that inner casing 200 is arranged in the shell 100 has no particular limits, and for example inner casing 200 can be hung on the support that is positioned at the vapourizing furnace outside.
Be limited with vaporizer in the inner casing 200; The vaporizer internal pressure is generally 0.1-9.0MPa substantially; The top of inner casing 200 and bottom are respectively equipped with inner casing import corresponding with said shell import and said housing outlet and inner casing outlet; For example, the inner casing import is alignd on above-below direction with the shell import, and the inner casing outlet is alignd on above-below 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, can utilize water that inner casing 200 is cooled off, substitute the refractory brick in the shell 100, improve the temperature that vaporizer can bear, for example can reach more than 1400 degrees centigrade.Therefore, can use high-ash-fusion coal to contain the raw gas of carbon monoxide and hydrogen as raw material production.
Advantageously, supply with rare gas element in the space that can between inner casing 200 and shell 100, limit through separate duct, get into said space, and change ground and keep said space and the interior air pressure balance of vaporizer to prevent the gas that the vaporizer internal reaction generates.
Positioning element 11 is arranged between the interior diapire and inner casing 200 of shell 100, is used to locate the lower end of inner casing 200.
The upper end of gas tube 10 links to each other with water cooler 9, and the lower end of gas tube 10 to extending below, is provided with cooling-water duct in the wall of gas tube 10 in deslagging chamber, and gas tube 10 is provided with the water-in N4a that is communicated with its internal cooling aquaporin, N4b and water outlet 101.
As shown in figs. 1 and 4, the water outlet of gas tube 10 is a plurality of, and is formed on the internal perisporium of gas tube 10; The water-in N4a of gas tube 10; N4b can link to each other with external water source through the pipeline that passes lower casing 300, and water is through pipeline and water-in N4a, and N4b gets in the gas tube 10; Be injected to gas tube 10 inside through water outlet 101 then, thereby gas and the lime-ash that in gas tube 10, falls cooled off.
It will be appreciated that; The water outlet 101 and the water-in N4a of gas tube 10, N4b can be formed on the periphery wall of gas tube 10, in the case; Water coolant only cools off gas tube 10, and does not directly contact with lime-ash with the gas of whereabouts from the ejection of the internal perisporium of gas tube 10.
Need to prove, in the present invention, should make broad understanding, for example can be one section corresponding pipe, and can on these pipes, corresponding valve can be set, so that control the switching of these openings such as the opening of slag-drip opening, air outlet, water-in.For example, the air outlet has identical implication with escape pipe.
In an example of the present invention, as shown in figs. 1 and 4, gas tube 10 can be integrally formed with water cooler 9, for example forms a upper surface and have the form of the cylinder of circular open.Thus, water cooler 9 and gas tube 10 can shared water-in N4a, N4b, and water cooler 9 inner cooling-water ducts are communicated with the cooling-water ducts of gas tube 10 inside.Can further simplify the structure of water cooler 9 and gas tube 10 like this.
As shown in Figure 1; In this embodiment, the below of the water coolant liquid level in the lower casing 300 is stretched in the lower end of gas tube 10, when gas in the vaporizer and lime-ash fall through gas tube 10; Gas passes that the air outlet N5 through lower casing 300 tops discharges vapourizing furnace behind the water coolant in the lower casing 300; Further lowered the temperature of gas, and lime-ash is fallen in the water coolant of lower casing 300 bottoms, discharged through slag-drip opening 7.
Vapourizing furnace according to the embodiment of the invention; Vaporizer is made up of the inner casing 200 that independent membrane wall constitutes; Therefore the temperature in the vaporizer can improve, thereby can use high-ash-fusion coal as raw material production gas, and the manufacturing of inner casing 200, replacing and maintenance are simple and convenient.In addition, it is strong that the positioning element 11 that between the interior diapire of shell 100 and inner casing 200, is provided with is compared the anti-air scour ability of refractory brick, and change convenient.
Shown in Fig. 1 and 5, in specific embodiments more of the present invention, inner casing 200 comprises upper header, lower collecting box and a plurality of cooling tube.Shown in upper header for annular limiting said inner casing import, same, said lower collecting box for annular to limit said inner casing outlet.For example, said upper header and lower collecting box can be ring pipe, thus, make simple.
The two ends of each cooling tube link to each other with said lower collecting box with said upper header respectively, and said a plurality of cooling tube extends abreast along the vertical direction.Here, need to prove that cooling tube extends along the vertical direction can not be interpreted as that each cooling tube is necessary for vertically extending straight tube, each cooling tube is can the part radially outwardly-bent, as shown in Figure 1, but is that above-below direction extends generally.
Thus, the manufacturing of inner casing 200 is more simple and convenient, is convenient to construct at the scene, has reduced 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 stated, the water coolant that gets into from the entrance of cooling water N2 of bottom becomes steam water interface through after the heat exchange, can rely on nature water cycle principle to discharge inner casing 200 from the cooling water outlet N3 on top, has realized water cycle thus better.
In a concrete example of the present invention, as shown in Figure 1, shell 100 comprises three sections: upper cover 2, and lower cover 4 and direct tube section 3, the two ends of direct tube section 3 link to each other with lower cover 4 with upper cover 2 respectively.For example, upper cover 2, lower cover 4 weld together after can making separately with direct tube section 3, thereby shell has oblong shape.
As shown in Figure 1, positioning element 11 comprises annular slotware 112 and annular plate 111.Annular slotware 112 is on the said interior diapire that is installed in shell 100 of housing outlet and limit annular recesses.The upper end of annular plate 111 is installed on the exterior bottom wall of inner casing 200 around said inner casing outlet, and the lower end of annular plate 111 is inserted in the said annular recesses, locatees the lower end of inner casing 200 thus.
Like Fig. 1 and shown in Figure 4, in some embodiments of the invention, advantageously; The water outlet 101 of gas tube 10 is a plurality of; A plurality of water outlets 101 upwards distribute with week on the internal perisporium of gas tube 10 along the vertical direction, and thus, the gas that gets off from vaporizer and lime-ash are the process of whereabouts; At first by water cooler 9 coolings; Whereabouts in gas tube 10, and the water cooling that is distributed from the whole length at gas tube 10 and the circumferential water outlet that distributes 101 sprays from the internal perisporium edge of gas tube 10 has then been improved cooling performance thus.
In some embodiments of the invention; Water cooler 9 is an annular plate; The opening direction along continuous straight runs of water cooler water outlet 91 and towards or to depart from the central axis of said annular plate directed; At the opening direction along continuous straight runs of water cooler water outlet 91 and depart under the directed situation of the central axis of said annular plate, can form eddy flow from the water of water cooler water outlet 91 ejections, further improve cooling performance.Alternatively, the opening direction of water cooler water outlet 91 dip down tiltedly towards or to depart from the central axis of said annular plate directed.
Therefore,,, can realize different jet water courses, regulate thus gas and cindery cooling performance through the opening direction of adjustment water cooler water outlet 91 according to embodiments of the invention.
Below the simple operation of describing vapourizing furnace embodiment illustrated in fig. 1.
Coal water slurry and oxygenant spray in the vaporizer from nozzle 1, in the reaction of vaporizer generating gasification, contain gas (CO, H in the reaction product
2, H
2O, CO
2, CH
4Deng), fusing and unfused a small amount of other component that contains the charcoal lime-ash and bring into crude fuel.The high-temperature gas that produces is being carried lime-ash secretly downwards through water cooler 9 and gas tube 10; Thereby be cooled and lower the temperature; For example from fast cooling more than 1300 degrees centigrade, thereby most of slag is solidified, the slag after the curing, molten solids and gas get in the water in the deslagging chamber; Slag is discharged through slag-drip opening 7, and gas comes out to discharge through the air outlet N5 that is communicated with exhaust space from water.
Another embodiment that describes according to the vapourizing furnace of the embodiment of the invention with reference to figure 2 below.
As shown in Figure 2, vapourizing furnace further comprises cooling screen 8 according to another embodiment of the present invention.Cooling screen 8 for example can be for cylindric; Cooling screen 8 has the cooling screen passage of cooling screen water-in N7 and cooling screen water outlet N8 and connection cooling screen water-in N7 and cooling screen water outlet N8; The upper end of cooling screen 8 links to each other with the exterior bottom wall of shell and is set in gas tube 10 outsides to limit exhaust space with gas tube 10; Air outlet N5 is communicated with the top of said exhaust space, and for example, air outlet N5 passes cooling screen 8 and is communicated with the top of exhaust space.
In a concrete example of the present invention; As shown in Figure 2; The lower end of cooling screen 8 extend into the water coolant liquid level below in the lower casing 300, and the lower end of gas tube 10 is positioned at said water coolant liquid level top, can prevent that thus gas from getting in the space between cooling screen 8 and the lower casing 300.
As shown in Figure 2, as stated, according to natural water cycle 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 of vapourizing furnace can no longer be repeated in this description with identical with reference to figure 1 described the foregoing description here according to another embodiment of the present invention.
According to this embodiment of the invention; Fall in the water coolant in the shell 300 from the lime-ash that vaporizer gets off; Gas tube 10 backs get into exhaust space and upwards motion in exhaust space and the gas that generates leaves; In the process that moves upward, can further cool off by cooling screen 8, discharge through air outlet N5 then.
Below the simple operation of describing vapourizing furnace embodiment illustrated in fig. 2.
Coal water slurry and oxygenant spray in the vaporizer from nozzle 1, and the high-temperature gas of generation is being carried lime-ash secretly downwards through water cooler 9 and gas tube 10, thereby are cooled and lower the temperature; For example from fast cooling more than 1300 degrees centigrade, thereby most of slag is solidified, the slag after the curing with melt solids and fall into the water in the deslagging chamber; Slag is discharged through slag-drip opening 7; And gas gets into exhaust space from gas tube 10 back of coming out, and after cooling screen 8 coolings, discharges through air outlet N5.
The vapourizing furnace of describing according to yet another embodiment of the invention with reference to figure 3 below.
As shown in Figure 3, vapourizing furnace according to yet another embodiment of the invention further comprises cooling screen 8.Cooling screen 8 for example can be for cylindric; Cooling screen 8 has the cooling screen passage of cooling screen water-in N7 and cooling screen water outlet N8 and connection cooling screen water-in N7 and cooling screen water outlet N8; The upper end of cooling screen 8 links to each other with the exterior bottom wall of shell and is set in the gas tube 10 to limit exhaust space with gas tube 10; Air outlet N5 is communicated with the top of said exhaust space, and for example, one section escape pipe passes gas tube 10 and is communicated with the top of exhaust space.It will be appreciated that for example, owing to cooling screen 8 is set in the gas tube 10, so the upper end of cooling screen 8 can link to each other with the exterior bottom wall of shell 100 through the pull bar that for example passes water cooler 9.
In a concrete example of the present invention, as shown in Figure 3, the lower end of gas tube 10 extend into the water coolant liquid level below in the lower casing 300, and the lower end of cooling screen 8 is positioned at said water coolant liquid level top.
In this embodiment of the present invention, the water outlet 101 of gas tube 10 can be formed on the inwall of gas tube 10, also can be formed on the outer wall.
Other structures according to vapourizing furnace shown in Figure 3 can be identical with embodiment illustrated in figures 1 and 2, no longer is repeated in this description here.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited claim and equivalent thereof.
Claims (14)
1. a vapourizing furnace is characterized in that, comprising:
Shell, the top of said shell and bottom are respectively equipped with shell import and housing outlet;
Inner casing; It is interior and spaced apart with said shell that said inner casing is arranged on said shell; Be limited with vaporizer in the said inner casing; The top of said inner casing and bottom are respectively equipped with inner casing import corresponding with said shell import and said housing outlet and inner casing outlet, and said inner casing is made up of membrane wall, and said membrane wall has entrance of cooling water and cooling water outlet;
Nozzle, said nozzle are arranged on the top of said shell and said inner casing to stretch in the said vaporizer through said shell import and said inner casing import;
Lower casing; Said lower casing links to each other with the bottom of said shell, defines deslagging chamber in the said lower casing, and the bottom of said lower casing is provided with slag-drip opening; The upper portion side wall of said lower casing is provided with the air outlet, and wherein said vaporizer is communicated with said deslagging chamber through said housing outlet and inner casing outlet;
Water cooler, said water cooler is connected on the exterior bottom wall of said shell around said housing outlet, and has water cooler water-in, water cooler water outlet and form cooling channel within it;
Positioning element; Said positioning element is arranged between the interior diapire and said inner casing of said shell; Said positioning element comprises annular slotware and annular plate; Said annular slotware is installed on the interior diapire of said shell and limits annular recesses around said housing outlet, the upper end of said annular plate is installed on the exterior bottom wall of said inner casing and the lower end of said annular plate is inserted in the said annular recesses around said inner casing outlet; With
Gas tube; The upper end of said gas tube link to each other with said water cooler and the lower end of said gas tube in said deslagging chamber to extending below; Be provided with cooling-water duct in the wall of wherein said gas tube; Said gas tube has water-in and the water outlet that is communicated with said cooling-water duct respectively, and the water outlet of said gas tube is a plurality of, and said a plurality of water outlets are formed on the internal perisporium of said gas tube and upwards distribute with week along the vertical direction.
2. vapourizing furnace according to claim 1 is characterized in that, said inner casing comprises:
Upper header, said upper header are that annular is to limit said inner casing import;
Lower collecting box, said lower collecting box exports to limit said inner casing for annular; With
A plurality of cooling tubes, the two ends of each cooling tube link to each other with said lower collecting box with said upper header respectively, and said a plurality of cooling tube extends abreast along the vertical direction.
3. vapourizing furnace according to claim 2 is characterized in that said upper header and lower collecting box are ring pipe.
4. vapourizing furnace according to claim 1 is characterized in that, the entrance of cooling water of said inner casing is positioned at the bottom of said inner casing, and the cooling water outlet of said inner casing is positioned at the top of said inner casing.
5. vapourizing furnace according to claim 1 is characterized in that, said shell comprises:
Upper cover;
Lower cover; With
Direct tube section, the two ends of said direct tube section link to each other with lower cover with said upper cover respectively.
6. vapourizing furnace according to claim 1 is characterized in that, the lower end of said gas tube extend into the water coolant liquid level below in the said lower casing.
7. vapourizing furnace according to claim 1 is characterized in that, said water cooler is an annular plate, and said water cooler water outlet is along circumferential extend annular flat-shaped of said annular plate.
8. vapourizing furnace according to claim 1 is characterized in that, said water cooler is an annular plate, the opening direction along continuous straight runs of said water cooler water outlet and towards or to depart from the central axis of said annular plate directed.
9. vapourizing furnace according to claim 1 is characterized in that, said water cooler is an annular plate, the opening direction of said water cooler water outlet dip down tiltedly towards or to depart from the central axis of said annular plate directed.
10. according to each described vapourizing furnace among the claim 1-9; It is characterized in that; Further comprise cooling screen; Said cooling screen have the cooling screen passage and respectively with the cooling screen water-in and the cooling screen water outlet of said cooling screen channel connection, the upper end of said cooling screen links to each other with the exterior bottom wall of said shell and is set in said gas tube outside to limit exhaust space with said gas tube, wherein said air outlet is communicated with the top of said exhaust space.
11. vapourizing furnace according to claim 10 is characterized in that, the lower end of said cooling screen is positioned at the water coolant liquid level below of said lower casing and the lower end of said gas tube is positioned at above the water coolant liquid level of said lower casing.
12. according to each described vapourizing furnace among the claim 1-9; It is characterized in that; Further comprise cooling screen; Said cooling screen have the cooling screen passage and respectively with the cooling screen water-in and the cooling screen water outlet of said cooling screen channel connection, the upper end of said cooling screen links to each other with the exterior bottom wall of said shell and is set in the said gas tube to limit exhaust space with said gas tube, wherein said air outlet is communicated with the top of said exhaust space.
13. vapourizing furnace according to claim 12 is characterized in that, the lower end of said cooling screen is positioned at the water coolant liquid level top of said lower casing and the lower end of said gas tube is positioned at below the water coolant liquid level of said lower casing.
14. vapourizing furnace according to claim 1 is characterized in that, said water cooler and said gas tube are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110044695XA CN102134511B (en) | 2011-02-24 | 2011-02-24 | Gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110044695XA CN102134511B (en) | 2011-02-24 | 2011-02-24 | Gasification furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102134511A CN102134511A (en) | 2011-07-27 |
| CN102134511B true CN102134511B (en) | 2012-11-07 |
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| CN102564217A (en) * | 2012-02-29 | 2012-07-11 | 贵州天福化工有限责任公司 | Method and structure for cleaning water vapor system of Shell gasification furnace |
| CN104119957B (en) * | 2013-04-28 | 2016-10-05 | 西门子公司 | Solid slag discharging gasifying furnace |
| CN104312633B (en) * | 2014-10-24 | 2018-08-03 | 清华大学 | Overhead type multi nozzle of gasification furnace |
| CN104513676A (en) * | 2014-12-25 | 2015-04-15 | 清华大学 | Gasification furnace capable of gasifying coal with high ash fusion point |
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| CN2563158Y (en) * | 2002-08-29 | 2003-07-30 | 华东理工大学 | Jet flow washing cooling water equal distributor |
| CN2887834Y (en) * | 2005-08-12 | 2007-04-11 | 华东理工大学 | Fireproof lining of entrained flow gasification furnace with hydrocarbons as master batch |
| CN101245263A (en) * | 2008-01-27 | 2008-08-20 | 中国石油化工集团公司 | Non-catalytic partial oxidation gasification furnace of inferior raw material |
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| US4902303A (en) * | 1988-11-10 | 1990-02-20 | Texaco Inc. | Separable quench ring and distribution channel for a gasification reactor |
| JP2003327975A (en) * | 2002-05-10 | 2003-11-19 | Ube Ind Ltd | Pressure two-stage gasification apparatus for combustible waste |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2563158Y (en) * | 2002-08-29 | 2003-07-30 | 华东理工大学 | Jet flow washing cooling water equal distributor |
| CN2887834Y (en) * | 2005-08-12 | 2007-04-11 | 华东理工大学 | Fireproof lining of entrained flow gasification furnace with hydrocarbons as master batch |
| CN101245263A (en) * | 2008-01-27 | 2008-08-20 | 中国石油化工集团公司 | Non-catalytic partial oxidation gasification furnace of inferior raw material |
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