CN204097415U - Vapourizing furnace chilling device and vapourizing furnace - Google Patents
Vapourizing furnace chilling device and vapourizing furnace Download PDFInfo
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- CN204097415U CN204097415U CN201420091818.4U CN201420091818U CN204097415U CN 204097415 U CN204097415 U CN 204097415U CN 201420091818 U CN201420091818 U CN 201420091818U CN 204097415 U CN204097415 U CN 204097415U
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- endoseptum
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- 238000009826 distribution Methods 0.000 claims description 12
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- 239000003034 coal gas Substances 0.000 claims description 3
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- 239000002893 slag Substances 0.000 abstract description 20
- 239000007789 gas Substances 0.000 description 45
- 238000001816 cooling Methods 0.000 description 11
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- 235000011089 carbon dioxide Nutrition 0.000 description 1
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Abstract
The utility model provides a kind of vapourizing furnace chilling device and vapourizing furnace, and vapourizing furnace chilling device comprises: downtake; Chilling ring, is fixedly installed on described downtake, and described chilling ring inside forms the first chamber and the second chamber, and described first chamber and the second chamber extend to form ring-type along the circumference of described downtake respectively, and described first chamber is not communicated with mutually with the second chamber; Cloth pendular ring gap, is formed between described chilling ring and described downtake inwall, for by described first chamber to described downtake inner chamber; And mouth spray, be arranged on described chilling ring, for by described second chamber to described downtake inner chamber.The utility model utilizes vaporific Quench liquid that the slag fast setting in raw gas is separated, effectively reduces raw gas temperature, and stops that raw gas is expanded to tube wall, and the slag substantially reduced in raw gas destroys the possibility of moisture film, tube wall of burning.
Description
Technical field
The utility model relates to entrained flow bed gasification technology, particularly a kind of vapourizing furnace chilling device and vapourizing furnace.
Background technology
Gasification of coal is by the gordian technique of coal high-efficiency clean utilization, it makes coal by vaporized chemical (water or carbonic acid gas) and coal reaction under certain temperature, pressure condition, generates clean, can generate link for follow-up chemical industry raw gas (carbon monoxide and hydrogen).Such as, can retrieve with Siemens Company on the search engines such as Baidu
product technology is the coal gasification of representative.
Entrained flow gasification is a kind of important form of gasification of coal.In this process, the raw material of vaporized chemical and powdery or flow-like enters into the reaction chamber of vapourizing furnace respectively, and in vapourizing furnace, repeat mixing, burning and gasification reaction, the high temperature rough gas of the doping slag generated flows into shock chamber downwards, through saturated, cooling in shock chamber, lime-ash is separated by gas.Wherein, be communicated with by downtake between reaction chamber with shock chamber, the raw gas exported by reaction chamber directly enters into downtake, in order to avoid high temperature (generally at 1300 ~ 1700 DEG C), the direct calcination of the raw gas of slag inclusion damages the tube wall of downtake, need to arrange chilling ring on downtake.
Chilling ring of the prior art is generally around being arranged on downtake top, the inner ring pipe forming cavity; cloth pendular ring gap (i.e. the annular space of cloth liquid or circumferential weld) is formed between the bottom of ring pipe and the inner side-wall of downtake; when inputting water by feed pipe to the cavity in ring pipe; water just can flow out through water distribution annular space and form water membrane on the inwall of downtake; thus avoid raw gas directly to contact downtake, protection downtake.
Realizing in the utility model process, contriver finds that in prior art, at least there are the following problems: when the raw gas of expansion, turbulent flow enters into downtake by reaction chamber, and the slag carried secretly in raw gas is often worn out moisture film, damaged tube wall.
Utility model content
In view of this, the utility model proposes a kind of vapourizing furnace chilling device and vapourizing furnace, in order to solve defect of the prior art, realize available protecting downtake tube wall and be not damaged.
The utility model provides a kind of vapourizing furnace chilling device, comprising:
Downtake;
Chilling ring, is fixedly installed on described downtake, and described chilling ring inside forms the first chamber and the second chamber, and described first chamber and the second chamber extend to form ring-type along the circumference of described downtake respectively, and described first chamber is not communicated with mutually with the second chamber;
Cloth pendular ring gap, is formed between described chilling ring and described downtake inwall, for by described first chamber to described downtake inner chamber;
Mouth spray, is arranged on described chilling ring, for by described second chamber to described downtake inner chamber.
Vapourizing furnace chilling device as above, preferably, described chilling ring comprises:
Quench shell, be fixedly installed on described downtake top, and inside surrounds accommodating cavity;
Endoseptum, to be fixedly installed in described accommodating cavity and described accommodating cavity is divided into described first chamber and the second chamber.
Vapourizing furnace chilling device as above, preferably,
Axis and the described downtake bearing of trend of described mouth spray form the first angle, and described first angle is greater than 0 ° and is less than or equal to 90 °.
Vapourizing furnace chilling device as above, preferably,
Described endoseptum tabular ringwise, a side surface and the described Quench inner surface of outer cover of described endoseptum surround described first chamber, and the opposite side surface of described endoseptum surrounds described second chamber with described Quench inner surface of outer cover;
Described Quench annular space is formed between described Quench shell corresponding to described first chamber and described downtake inwall, and described mouth spray is arranged on described Quench shell corresponding to described second chamber.
Vapourizing furnace chilling device as above, preferably,
Described endoseptum has the curved curved portions of cross section, and accordingly, described second chamber has the second arc guiding region being enclosed in described curved portions periphery, and described mouth spray is arranged on the described Quench shell of the described second arc guiding region of described correspondence.Wherein, cross section refers to the cross-sectional shape utilizing any plane cutting endoseptum perpendicular to endoseptum bearing of trend to obtain, such as, along the cutting plane shape that the cutting of A-A direction obtains in Fig. 1.
Vapourizing furnace chilling device as above, preferably,
Vertically be provided with dividing plate in described first chamber, described dividing plate bottom is fixedly connected with Quench shell with described downtake, and described dividing plate top is fixedly connected with described endoseptum;
Described dividing plate is formed with arc convex towards the side of described curved portions, to make to surround the first arc distribution zone concentric with described second arc guiding region between described dividing plate and curved portions, described dividing plate offers water conservancy diversion through hole.
Vapourizing furnace chilling device as above, preferably,
Described endoseptum tubulose ringwise, surrounds described second chamber inside described endoseptum, described endoseptum outside surface and described Quench inner surface of outer cover surround described first chamber;
Described Quench annular space is formed between described Quench shell and described downtake inwall, and described mouth spray runs through described endoseptum and Quench shell.
Vapourizing furnace chilling device as above, preferably,
Described endoseptum cross section face is circular, and the top of described downtake is passed described Quench shell, is fixed on bottom described endoseptum; Wherein, cross section refers to the cross-sectional shape utilizing any plane cutting endoseptum perpendicular to endoseptum bearing of trend to obtain, such as, along the cutting plane shape that the cutting of D-D direction obtains in Fig. 6.
Described first chamber has and is enclosed in the first arc distribution zone of described endoseptum towards periphery, side in described downtake.
Vapourizing furnace chilling device as above, preferably,
Described mouth spray is be connected to the tube stub on described Quench shell and/or endoseptum, and described tube stub internal surface forms wearing layer.
Vapourizing furnace chilling device as above, preferably,
Described Quench shell is also provided with the wash-out hole being convenient to rinse described first chamber outside described downtake, is provided with the detachable block for blocking described wash-out hole in described wash-out hole.
Vapourizing furnace chilling device as above, also comprises:
With at least one first feed pipe of described first chamber, and
With at least one second feed pipe of described second chamber.
Vapourizing furnace chilling device as above, preferably,
Described first feed pipe along being the second angle with described downtake, stretch out by direction, and described first feed pipe described first chamber projection in the plane overlap with the tangential direction of described first chamber, wherein the second angle is less than or equal to 90 °.
Vapourizing furnace chilling device as above, preferably,
Described mouth spray is 8 ~ 20, and each described mouth spray is evenly distributed in described second chamber circumference.
The utility model also provides a kind of vapourizing furnace, comprising:
Reaction chamber;
Shock chamber, is positioned at below described reaction chamber; And
As chilling device described in the utility model, the coal gas for being generated by described reaction chamber is transported in described shock chamber.
As can be seen from such scheme, the utility model provides vapourizing furnace chilling device and vapourizing furnace, by arranging disconnected first chamber and the second chamber mutually in chilling ring, making in the first chamber and the second chamber can the Quench liquid of accommodating different pressures, and by making the first chamber and the second chamber respectively by cloth pendular ring gap and mouth spray and downtake inner space, achieve and make the Quench liquid in the first chamber form moisture film through cloth pendular ring gap in downtake inner wall surface, to protect tube wall, also can make simultaneously Quench liquid in the second chamber by mouth spray with atomized spray in downtake, and then achieve and utilize this vaporific Quench liquid that the slag fast setting in raw gas is separated, effective reduction raw gas temperature, and stop that raw gas is expanded to tube wall, the slag substantially reduced in raw gas destroys moisture film, to burn the possibility of tube wall, also cooling performance is further increased.
Accompanying drawing explanation
Preferred embodiment of the present utility model will be described in detail by referring to accompanying drawing below, the person of ordinary skill in the art is more clear that above-mentioned and other feature and advantage of the present utility model, in accompanying drawing:
The plan structure schematic diagram of the vapourizing furnace chilling device that Fig. 1 provides for the utility model embodiment.
Fig. 2 be in Fig. 1 A-A to sectional view.
The vertical view of the vapourizing furnace chilling device that Fig. 3 provides for another embodiment of the utility model.
Fig. 4 be in Fig. 3 B-B to sectional view.
Fig. 5 be in Fig. 3 C-C to sectional view.
The vertical view of the vapourizing furnace chilling device that Fig. 6 provides for another embodiment of the utility model.
Fig. 7 be in Fig. 6 D-D to sectional view.
Fig. 8 be in Fig. 6 E-E to sectional view.
Wherein, Reference numeral is as follows:
1-downtake; 2-chilling ring; 21-first chamber;
22-second chamber; 3-cloth pendular ring gap; 4-mouth spray;
20-Quench shell; 25-endoseptum; 251-curved portions;
252-extension; 221-second arc guiding region; 121-arc convex;
211-first arc distribution zone; 13-water conservancy diversion through hole; 51-first feed pipe;
52-second feed pipe; α-the first angle; β-the second angle;
14-wash-out hole; 41-anti-wearing liner.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, by the following examples the utility model is further described.
Embodiment one
The plan structure schematic diagram of the vapourizing furnace chilling device that Fig. 1 provides for the utility model embodiment; Fig. 2 be in Fig. 1 A-A to sectional view; Please refer to Fig. 1 and Fig. 2, the present embodiment provides a kind of vapourizing furnace chilling device, comprise: downtake 1, be fixedly installed on the chilling ring 2 on downtake 1, chilling ring 2 inside forms the first chamber 21 and the second chamber 22, first chamber 21 and the second chamber 22 extend to form ring-type along the circumference of downtake 1 respectively, and the first chamber is not communicated with mutually with the second chamber; The cloth pendular ring gap 3 being used for the first chamber 21 being communicated to downtake 1 inner chamber is formed between chilling ring 2 and downtake 1 inwall; Chilling ring 2 is also provided with the mouth spray 4 for the second chamber 22 being communicated to downtake 1 inner chamber.
Particularly, downtake 1 can vertically extend from top to bottom, and chilling ring 2 is fixedly mounted on the top of downtake 1 by modes such as welding, certainly, if when embody rule scene needs, also chilling ring can be arranged on the middle part of downtake 1.
Downtake 1 can be cylindric or prism-shaped, and chilling ring 2 can match with the shape of cross section of downtake 1; Such as, when downtake 1 is cylindric, chilling ring 2 can be the closed loop of a circle, and when downtake 1 is prism-shaped, chilling ring 2 can in a polygon-shaped closed loop; Chilling ring 2 inside is formed with two mutual disconnected first chamber 21 and the second chambers 22; And, first chamber 21 and the second chamber 22 all extend to form ring-type along the circumference of downtake 1, namely, first chamber 21 and the second chamber 22 are all looped around downtake 1 circumferentially, and from the cross section angle of chilling ring 2, the first chamber 21 and the second chamber 22 are disconnected two individual cavities mutually.
Wherein, by rationally arranging the size relationship of chilling ring 2 and downtake 1, can make that the annular inner portion of chilling ring 2 is positioned within downtake 1 tube wall, outer ring portion is positioned at outside downtake 1 tube wall; And the part that chilling ring 2 is positioned at downtake 1 can arrange mouth spray 4 and cloth pendular ring gap 3, with make the second chamber 22 by mouth spray 4 with downtake 1 inner space, the first chamber 21 by cloth pendular ring gap 3 and downtake 1 inner space.
Cloth pendular ring gap 3 and mouth spray 4 can specifically adopt different structure formation; Such as, chilling ring 2 can comprise Quench shell 20 and endoseptum 25, this Quench shell 20 is coaxially fixed on downtake 1 top by modes such as welding, Quench shell 20 inside surrounds an accommodating cavity, endoseptum 25 to be arranged in this accommodating cavity and to extend to form ring-type along downtake 1 circumference, thus just this accommodating cavity can be divided into disconnected first chamber 21 and the second chamber 22 mutually.
Disconnected first chamber 21 and the second chamber 22 can be used for the Quench liquid holding different pressures mutually.Second chamber 22 can hold high pressure Quench liquid, and the first chamber 21 can hold low pressure Quench liquid.And, for surround the first chamber 21 Quench shell 20 inside, next-door neighbour downtake 1 inwall place can form a gap, this gap in the whole cloth pendular ring gap 3 circumferentially extending to form ring-type, and then can make the low pressure Quench liquid in the first chamber 21 be flow in downtake 1 by this cloth pendular ring gap 3 and to form moisture film along downtake 1 inner wall surface uniform flow; For surround the second chamber 22 Quench shell 20 inside on then can offer through hole as mouth spray 4, certainly, also can for fixedly to wear a free flow coupling as mouth spray 4 on Quench shell 20, as long as make the high pressure Quench liquid in the second chamber 22 be ejected in downtake 1 inner chamber by mouth spray 4.
The vapourizing furnace chilling device that the present embodiment provides in use, can be arranged on bottom vaporizer and between shock chamber, and the first Quench liquid can be inputted, input the second Quench liquid to the second chamber 22 to the first chamber 21, wherein, first Quench liquid and the second Quench liquid can be similar liquid, also can be inhomogeneity liquid.But pressure in the second chamber 22 should be made higher than the pressure in the first chamber 21.Like this, the first Quench liquid being full of the first chamber 21 through cloth pendular ring gap 3 along downtake 1 inner wall surface uniform flow, thus can form the protection moisture film covering downtake 1 inner wall surface; Simultaneously, the the second Quench liquid being full of the second chamber 22 can through mouth spray 4 high-velocity jet in downtake 1, in the pressure difference that the inside and outside generation of mouth spray 4 is larger during the second Quench liquid ejection, this pressure difference is enough to make Quench liquid with vaporific ejection, therefore, first the raw gas flowed out by reaction chamber touches vaporific Quench liquid, after the slag moment fast setting making to mix in raw gas, raw gas fast cooling, then continues to flow down in downtake 1.
As can be seen here, the vapourizing furnace chilling device that the present embodiment provides, by arranging disconnected first chamber and the second chamber mutually in chilling ring, and make the first chamber and the second chamber respectively by cloth pendular ring gap and mouth spray and downtake inner space, achieve and make the low pressure Quench liquid in the first chamber form moisture film through cloth pendular ring gap in downtake inner wall surface, with while protection tube wall, also can make Quench liquid in the second chamber can by mouth spray with atomized spray in downtake, and then achieve by evaporation atomization after fine droplets make raw gas fast cooling, make the moment fast setting of slag after entering shock chamber in raw gas simultaneously, effective stop raw gas is expanded to tube wall, the slag substantially reduced in raw gas destroys moisture film, to burn the possibility of tube wall, also effectively improve cooling performance, promote that slag gas is separated.
It should be noted that, those skilled in the art can obtain the pressure and other parameters of the first Quench liquid and the second Quench liquid in above-mentioned first chamber 21 and the second chamber 22 as the case may be, as calculated, only need the pressure in guarantee second chamber 22 to be enough to make the second Quench liquid by the vaporific ejection of mouth spray 4, the pressure simultaneously in the first chamber 21 can not exceed the preset pressure that the first Quench liquid can be made on downtake 1 inwall to form moisture film.
It should be noted that further, the pressure of the size of mouth spray 4 and the second Quench liquid of being input to the second chamber 22 determines Quench liquid by the second chamber 22 jointly through the pressure difference of mouth spray 4 to downtake 1 inner chamber, thus, when specific design, need the goal pressure difference (pressure difference between the second chamber 22 and downtake 1 inner chamber) considering the size of mouth spray 4, the pressure being input to the Quench liquid of the second chamber 22 and required hydrojet.Wherein, be understandable that, along with the goal pressure difference of hydrojet increases, by the drop of the Quench liquid of the vaporific ejection of mouth spray 4 then thinner evenly, the contact with raw gas can be increased, improve solidification and cooling-down effect, but the goal pressure of excessive hydrojet difference and the high flow rate brought, then easily cause the corrosion of mouth spray 4 internal surface, the goal pressure difference of too low hydrojet then may cause mouth spray 4 and block, and reduces working reliability.Therefore, the value of the goal pressure difference comparative optimization of mouth spray 4 hydrojet can be 0.2 ~ 2MPa.
Embodiment two
The vertical view of the vapourizing furnace chilling device that Fig. 3 provides for another embodiment of the utility model; Fig. 4 be in Fig. 3 B-B to sectional view; Fig. 5 be in Fig. 3 C-C to sectional view; The vapourizing furnace refrigerating unit that the present embodiment provides is on the basis of embodiment one, to the further optimization of the first chamber and the second chamber concrete structure.Please refer to Fig. 3, Fig. 4 and Fig. 5, the vapourizing furnace chilling device that the present embodiment provides comprises: downtake 1 and chilling ring 2; Chilling ring 2 can comprise Quench shell 20 and endoseptum 25, and Quench shell 20 is fixedly installed on downtake 1 top and inside surrounds accommodating cavity; Endoseptum 25 is fixedly installed in this accommodating cavity, one side surface and Quench shell 20 internal surface of endoseptum 25 surround the first chamber 21, the opposite side surface of endoseptum 25 surrounds the second chamber 22 with Quench shell 20 internal surface, namely by an endoseptum 25, the accommodated inside cavity of Quench shell 20 is divided into independently two portions; Quench annular space 3 is formed between Quench shell 20 for surrounding the first chamber 21 and downtake 1 inwall, and mouth spray 4 is arranged on the Quench shell 20 for surrounding the second chamber 22.
Wherein, endoseptum 25 can have the curved portions 251 that cross section is convexly curved, and accordingly, the second chamber 22 has the second arc guiding region 221 being enclosed in curved portions 251 periphery; Namely, endoseptum 25 can also comprise the extension 252 being extended to Quench shell 20 internal surface by curved portions 251, and one end that curved portions 251 deviates from extension 252 is connected to Quench annular space 3 place on one side, surrounds one by excluded for cloth pendular ring gap 3 first chamber 21 to make endoseptum 25 side and Quench shell 20; Further, the internal surface of the corresponding curved portions of Quench shell 20 251 also can form the arc surface coaxial with curved portions 251, thus makes the second chamber 22 be positioned at the second arc guiding region 221 of curved portions 251 peripheral portion formation arcuation; The remaining part of Quench shell 20 inside then surrounds by first chamber 21 of Quench annular space 3 with ft connection.In the present embodiment, mouth spray 4 can be arranged on the Quench shell 20 of corresponding second arc guiding region 221, and can extending radially out along the second arc guiding region 221, after being full of rapidly the second arc guiding region 221 equably to make Quench liquid, via mouth spray 4 ejection at a high speed.
Further, also dividing plate 12 can be vertically provided with in first chamber 21, dividing plate 12 bottom is fixedly connected with Quench shell 20 with downtake 1, dividing plate 12 top is fixedly connected with endoseptum 25, and dividing plate 12 is formed with arc convex 121 towards the side of curved portions 251, arc convex 121 can be positioned at the circle centre position of curved portions 251, to make to surround the first arc distribution zone 211 concentric with the second arc guiding region 221 between dividing plate 12 and curved portions 251, and dividing plate 12 offers water conservancy diversion through hole 13, the first arc distribution zone 211 is entered by this water conservancy diversion through hole 13 to make the Quench liquid entering into the first chamber 21, in the first arc distribution zone 211 after uniformly distributing, along downtake 1 inwall uniform flow after cloth pendular ring gap 3, formed evenly cover the moisture film of tube wall.
Further, the vapourizing furnace chilling device that the present embodiment provides can also comprise: at least one first feed pipe 51 be communicated with the first chamber 21, and at least one second feed pipe 52 be communicated with the second chamber 22; To be inputted Quench liquid in the first chamber 21 by the first feed pipe 51, by the second feed pipe 52 to the second chamber input Quench liquid.In the present embodiment, Quench liquid can adopt water; And low pressure Quench liquid can be inputted to the first chamber, input high pressure Quench liquid by the second feed pipe 52 to the second chamber 22 respectively by the first feed pipe 51, and the pressure of high pressure Quench liquid should higher than low pressure Quench liquid, the occurrence of its mesohigh Quench liquid and low pressure Quench liquid can be determined according to specific design.Generally speaking, low pressure Quench liquid can make the first chamber 21 and the pressure difference in downtake 1 at below 0.2MPa, to ensure that Quench liquid can flow down formation moisture film along downtake 1 inwall; Simultaneously high pressure Quench liquid needs to make the second chamber 22 be greater than 0.2MPa with the pressure difference in downtake 1, can reach default flow velocity to make Quench liquid with vaporific ejection.Certainly, if coordinate the adjustment of other structure of chilling ring, the value of low pressure Quench liquid and high pressure Quench liquid also can have difference, and the span in the present embodiment does not cause restriction to the technical solution of the utility model.
The vapourizing furnace chilling device of the present embodiment can be arranged in the shock chamber of reaction chamber bottom of vapourizing furnace.In vapourizing furnace working process, in advance each first feed pipe 51 can be connected to low pressure water source respectively, each second feed pipe 52 is connected to high-pressure water (wherein, at water storage device and between the first liquid feeding pipeline 51 and the second liquid feeding pipeline 52, topping-up pump can be set respectively to obtain the water source of required pressure), low-pressure water is made to enter into the first chamber 21 through the first feed pipe 51, high pressure water enters into the second chamber 22 through the second feed pipe 52, after low-pressure water and high pressure water are full of whole first chamber 21 and the second chamber 22 respectively, high pressure water sprays with vaporific form through mouth spray 4 in downtake 1, and directly contact with the raw gas flowed out by vaporizer, the slag fast setting be mingled with in it is made to be that particle falls, the temperature of effective reduction raw gas, and stop that raw gas is expanded towards tube wall, and in this process, low-pressure water then, uniform flow continuous along downtake 1 inwall through cloth pendular ring gap 3, thus form the moisture film covering tube wall surface, protection tube wall is not damaged.Therefore, this vapourizing furnace refrigerating unit, effectively can prevent the moisture film destroyed in raw gas on tube wall, avoids slag to burn downtake tube wall, also ensure that moisture film reliably plays its provide protection to tube wall.
Preferably, the first feed pipe 51 can be 3 ~ 6, and can be uniformly distributed circumferentially on chilling ring 2, and the second feed pipe 52 can be 1 ~ 4, can be uniformly distributed circumferentially equally on chilling ring 2.Further, the extending radially out of the second feed pipe 52 closed loop that can be formed along the second chamber 22; First feed pipe 51 can stretch out along with downtake 1 direction in the second angle β, and the first feed pipe 51 the first chamber 21 projection in the plane overlap with the tangential direction of the first chamber 21, wherein the second angle β is less than or equal to 90 °; That is, each first feed pipe 51 can stretch out respectively below the outer skew back of chilling ring 2, and the first feed pipe 51 the first chamber 21 projection in the plane just in the tangential direction of the first chamber 21; That is, when downtake 1 vertically arrange, chilling ring 2 horizontal circle on downtake 1 time, first chamber 21 is a closed loop in horizontal plane, the tangent line that be projected as first chamber 21 of the first feed pipe 51 in this horizontal plane, the bearing of trend being projected as downtake 1 in perpendicular.
Certainly, the first feed pipe 51 also can be in same plane with the first chamber 21 and along the first chamber 21 become the tangential direction of annulus to stretch out.Multiple first feed pipe 51 adopts this structure, can ensure that low pressure Quench liquid enters into the first chamber equably, reduce the corrosion caused the first washing away of internal surface of chamber 21.
Preferably, bearing of trend and downtake 1 bearing of trend of above-mentioned mouth spray 4 can form the first angle α, wherein, mouth spray 4 can be manhole or columniform free flow coupling, its bearing of trend be namely by the second chamber 22 centrally axle point to away from the direction of the second chamber 22; The bearing of trend of downtake 1 refers to the flow direction of gas along downtake 1, and in the present embodiment, downtake 1 is vertically arranged from top to bottom, then the bearing of trend of downtake 1 is straight down; That is mouth spray 4 in downtake 1 tiltedly below extend, and the first angle meets: 0 ° of < α and≤90 °, more to make raw gas contact more fully with Quench liquid, effectively stops that Quench liquid is expanded further.
Alternatively, Quench shell 20 is also provided with the wash-out hole 14 being convenient to flushing first chamber 21 outside downtake 1, is removably provided with the closeouts (not shown) for blocking wash-out hole 14 in wash-out hole.This wash-out hole 14 can be positioned at Quench shell 20 side being coaxially oppositely arranged with the water conservancy diversion through hole 13 on dividing plate 12 outwardly.Wash-out hole 14 can be sealed by closeouts, and such as, wash-out hole 14 can adopt threaded hole, and this closeouts can be screw plug, is threaded connection and is removably fixed in wash-out hole 14 by closeouts; When there is blocking in the first chamber 21, can screw easily and pulling down this closeouts, and rinse inner first chamber 21, effectively dredge blockage easily via this wash-out hole 14, greatly facilitate maintenance.
Embodiment three
The vertical view of the vapourizing furnace chilling device that Fig. 6 provides for another embodiment of the utility model; Fig. 7 be in Fig. 6 D-D to sectional view; Fig. 8 be in Fig. 6 E-E to sectional view; The present embodiment provides a kind of vapourizing furnace chilling device, is with embodiment one, two difference, in the present embodiment the concrete structure of the first chamber and the second chamber and relative position different.Please refer to Fig. 6, Fig. 7 and Fig. 8, the vapourizing furnace chilling device that the present embodiment provides comprises downtake 1 and chilling ring 2; Chilling ring 2 comprises Quench shell 20 and endoseptum 25, endoseptum 25 tubulose ringwise, surrounds the second chamber 22 inside endoseptum 25, surrounds the first chamber 21 outside endoseptum 25 with Quench shell 20 internal surface; Cloth pendular ring gap 3 is formed between Quench shell 20 and downtake 1 inwall, and mouth spray 4 runs through endoseptum 25 and Quench shell 20.
Wherein, downtake 1 can be the cylindrical shape vertically extended, and the Quench shell 20 of chilling ring 2 coaxially can be arranged on the top of downtake 1; Quench shell 20 can extend to form an annulus along the circumference of downtake 1, inner then can surround the accommodating cavity of circular extension; Endoseptum 25 can in Quench shell 20 coaxial arrange round tubular, namely endoseptum 25 extends to form an annulus and the ring-type of its cross section also in hollow, thus the accommodating cavity surrounded by Quench shell 20 is divided into: be formed at the second chamber 22 in endoseptum 25, circumference extension, and be formed at the first chamber 21 between endoseptum 25 outside surface to Quench shell 20 internal surface.
The position that Quench shell 20 is close to downtake 1 can form gap, and to make circumferentially to form cloth pendular ring gap 3 between Quench shell 20 and downtake 1 inwall, this cloth pendular ring gap 3 is as the unique passage of the first chamber 21 with downtake 1 inner space; Because the second chamber 22 is positioned in the middle part of the first chamber 21, then mouth spray 4 can be through to endoseptum 25 by Quench shell 20, is communicated to downtake 1 inner chamber to make the second chamber 22, still keeps and the disconnected state of the first chamber 21 simultaneously.Certainly, in the present embodiment, mouth spray 4 preferably adopts the form of free flow coupling, certainly, also offer through hole by relative on endoseptum 25 with Quench shell 20 and by pipe connecting, two through holes be connected to form passage, the first chamber can not be entered into for Quench liquid is directly flowed out by the second chamber 22.
Similar with embodiment two, the vapourizing furnace chilling device of the present embodiment also can comprise further: at least one first feed pipe 51 be communicated with the first chamber 21, and at least one second feed pipe 52 be communicated with the second chamber 22; Wherein the first feed pipe 51 concrete structure and relatively and the position of chilling ring 2 and annexation and embodiment two similar, realize in the first chamber 21, inputting the first Quench liquid by the first feed pipe 51; Second feed pipe 52 can by passing Quench shell 20 by outside and being communicated with the second chamber 22 that endoseptum 25 surrounds, to input the second Quench liquid by the second feed pipe 52 to the second chamber.Wherein, the pressure of the second Quench liquid can be more than or equal to the first Quench liquid; First feed pipe 51 and the second feed pipe 52 can be multiple and can be uniformly distributed in the circumferential.
In vapourizing furnace chilling device working process, on the one hand, high pressure Quench liquid is input in the second chamber 22 through each second feed pipe 52, downtake 1 inner chamber is ejected to by each mouth spray 4 with vaporific after being full of whole second chamber 22, with the raw gas effect being flowed out to downtake 1 by reaction chamber, make that raw gas cools fast, the solidification of the slag of its inner inclusion, and stop that raw gas is expanded towards the tube wall of surrounding; On the other hand, low pressure Quench liquid is input in the first chamber 21 through the first feed pipe 51, be full of whole first chamber 22 and through cloth pendular ring gap 3 along downtake 1 inwall evenly, under Continuous Flow, thus form water membrane in downtake 1 inner wall surface, avoid raw gas to contact with tube wall.The spray film sprayed by mouth spray 4 coordinates the moisture film formed through cloth pendular ring gap 3; achieve and effectively, reliably protect downtake not to be damaged; and significantly improve the speed of cooling of raw gas, also can avoid the blocking of mouth spray, improve working reliability and work-ing life.
Preferably, the cross section of endoseptum 25 can in circular, and the top of downtake 1 can be passed Quench shell 20, be fixed on bottom endoseptum 25; First chamber 21 has and is enclosed in the first arc distribution zone 211 of endoseptum 25 towards periphery, side in downtake 1.That is, endoseptum 25 cross section is annulus and bearing of trend also surrounds an annulus; Thus namely endoseptum 25 inside form the second chamber 22 that cross section is circle, that extend along downtake 1 circumference.Endoseptum 25 bottom outer surface can be welded and fixed with downtake 1 top extending into Quench shell 20, and the side that simultaneously outside of downtake 1 also can deviate from cloth pendular ring gap 3 with Quench shell 20 is welded and fixed, fixing with what realize endoseptum 25.Quench shell 20 can comprise the inner side arc 201 being looped around endoseptum 25 periphery, side inwardly, and endoseptum 25 outwardly any shape of side outer panel 202(as shown in Figure 8), inner side surrounds Quench shell 20 splice relative with outer panel 201 of arc 201, then inner side arc 201 and endoseptum 25 inside between surround the first arc distribution zone 211, to make the Quench liquid inputted through the first feed pipe 51 finally after this first arc distribution zone 211, flowed out by cloth pendular ring gap 3 again, further ensure Quench liquid along even tube wall, flow continuously, improve and form moisture film quality.
In the present embodiment and previous embodiment, mouth spray 4 can be 8 ~ 20, and each mouth spray 4 can be evenly distributed in the second chamber 22 circumference; And with embodiment one similarly, the axis of mouth spray 4 and downtake 1 bearing of trend can be formed be greater than 0 ° and be less than or equal to 90 the first angle α, more effectively to stop the expansion of raw gas, the vaporific Quench liquid of guarantee ejection and fully contacting of raw gas, improve solidification cooling performance.
In addition, when mouth spray 4 adopts free flow coupling, threaded hole can be offered on chilling ring 2, to be directly threaded onto on chilling ring 2 by mouth spray 4.Such as, when mouth spray 4 only needs to run through Quench shell 20, a threaded hole can be offered on Quench shell 20; When mouth spray 4 needs to run through Quench shell 20 and endoseptum 25, only can offer threaded hole on endoseptum 25, mouth spray 4 tail end is connected in this threaded hole on endoseptum 25 through Quench shell 20 rear thread; Relatively respectively on Quench shell 20 with endoseptum 25 can certainly offer threaded hole, to be threaded in two threaded holes by mouth spray 4 simultaneously.
Preferably, the tube stub internal surface as mouth spray 4 can also be formed with wearing layer; Such as, can at the sheathed anti-wearing liner 41 of tube stub internal fixtion, this anti-wearing liner 41 can by wear-resisting, anticorrosive manufacture, there is good wear resistance and Corrosion Protection, to resist washing away of high pressure Quench liquid, avoid Quench liquid to wash away for a long time and cause mouth spray 4 internal diameter size to become large, and then the pressure reduction that it also avoid the hydrojet caused because mouth spray 4 size becomes large declines, ensure that the reliability worked long hours, be also conducive to the work-ing life extending vapourizing furnace chilling device.
With embodiment two similarly, in the present embodiment, Quench shell 20 also can be provided with the wash-out hole 14 being convenient to flushing first chamber outside downtake 1, arranges closeouts (not shown) in wash-out hole; This closeouts can be also screw plug, and when normally working, closeouts blocks wash-out hole 14, when there is the problems such as blocking in the first chamber 21, then can pull down this closeouts, implement cleaning to the first chamber interior, maintain easily.
Other structure and function of the present embodiment and previous embodiment similar, repeat no more herein.
Embodiment four
The present embodiment provides a kind of vapourizing furnace, comprising: reaction chamber, is positioned at the shock chamber below reaction chamber, and the vapourizing furnace chilling device as described in above-mentioned any embodiment, and the coal gas that this vapourizing furnace chilling device is used for reaction chamber generates is transported in shock chamber.
Wherein, reaction chamber can coaxially be arranged on above shock chamber, and reaction chamber top can arrange material inlet, bottom can be provided with the reaction chamber outlet of discharging for raw gas; Vapourizing furnace chilling device can be positioned at shock chamber, and downtake top can be connected to this reaction chamber exit, and bottom then can extend in the cooling basin in shock chamber, and the sidewall in shock chamber and bottom arrange venting port and slagging device respectively.Raw material reacts the reaction chamber relief outlet of raw gas through bottom generating High Temperature High Pressure and enters in the downtake of chilling device in reaction chamber, the vaporific Quench liquid effect sprayed with the mouth spray on chilling ring, the slag be mingled with in raw gas is solidified at once, temperature reduces rapidly, then continue to flow downward along downtake, wherein flow down in process at the raw gas of turbulence state along downtake, because the cloth pendular ring gap by chilling ring is evenly along the provide protection of the Quench liquid of tube wall outflow, raw gas is not contacted with tube wall, finally enter in cooling basin along downtake, last raw gas of being separated out by cooling basin exports through venting port again, solid-state slag then discharges vapourizing furnace through slag discharging device.
The vapourizing furnace that the present embodiment provides, by arranging disconnected first chamber and the second chamber mutually in the chilling ring of chilling device, and make the first chamber and the second chamber respectively by cloth pendular ring gap and mouth spray and downtake inner space, achieve and make the low pressure Quench liquid in the first chamber form moisture film through cloth pendular ring gap in downtake inner wall surface, to protect tube wall, also can make simultaneously high pressure Quench liquid in high-pressure water chamber can by mouth spray with atomized spray in downtake, and then achieve and utilize this vaporific Quench liquid that the slag fast setting in raw gas is separated, effective reduction raw gas temperature, and stop that raw gas is expanded to tube wall, the slag substantially reduced in raw gas destroys moisture film, to burn the possibility of tube wall, more effectively can improve cooling performance, promote that slag gas is separated, improve the maintainability of vapourizing furnace.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (14)
1. a vapourizing furnace chilling device, is characterized in that, comprising:
Downtake;
Chilling ring, is fixedly installed on described downtake, and described chilling ring inside forms the first chamber and the second chamber, and described first chamber and the second chamber extend to form ring-type along the circumference of described downtake respectively, and described first chamber is not communicated with mutually with the second chamber;
Cloth pendular ring gap, is formed between described chilling ring and described downtake inwall, for by described first chamber to described downtake inner chamber;
Mouth spray, is arranged on described chilling ring, for by described second chamber to described downtake inner chamber.
2. vapourizing furnace chilling device according to claim 1, is characterized in that, described chilling ring comprises:
Quench shell, be fixedly installed on described downtake top, and inside surrounds accommodating cavity;
Endoseptum, to be fixedly installed in described accommodating cavity and described accommodating cavity is divided into described first chamber and the second chamber.
3. vapourizing furnace chilling device according to claim 1 and 2, is characterized in that,
Bearing of trend and the described downtake bearing of trend of described mouth spray form the first angle, and described first angle is greater than 0 ° and is less than or equal to 90 °.
4. vapourizing furnace chilling device according to claim 3, is characterized in that,
Described endoseptum tabular ringwise, a side surface and the described Quench inner surface of outer cover of described endoseptum surround described first chamber, and the opposite side surface of described endoseptum surrounds described second chamber with described Quench inner surface of outer cover;
Described Quench annular space is formed in for surrounding between the described Quench shell of described first chamber and described downtake inwall, and described mouth spray is arranged on the described Quench shell for surrounding described second chamber.
5. vapourizing furnace chilling device according to claim 2, is characterized in that,
Described endoseptum has the curved curved portions of cross section, and described second chamber has the second arc guiding region being enclosed in described curved portions periphery, and described mouth spray is arranged on the described Quench shell of corresponding described second arc guiding region.
6. vapourizing furnace chilling device according to claim 5, is characterized in that,
Vertically be provided with dividing plate in described first chamber, described dividing plate bottom is fixedly connected with Quench shell with described downtake, and described dividing plate top is fixedly connected with described endoseptum;
Described dividing plate is formed with arc convex towards the side of described curved portions, to make to surround the first arc distribution zone concentric with described second arc guiding region between described dividing plate and curved portions, described dividing plate offers water conservancy diversion through hole.
7. vapourizing furnace chilling device according to claim 3, is characterized in that,
Described endoseptum tubulose ringwise, surrounds described second chamber inside described endoseptum, described endoseptum outside surface and described Quench inner surface of outer cover surround described first chamber;
Described Quench annular space is formed between described Quench shell and described downtake inwall, and described mouth spray runs through described endoseptum and Quench shell.
8. vapourizing furnace chilling device according to claim 7, is characterized in that,
Described endoseptum cross section is circular, and the top of described downtake is passed described Quench shell and is fixed on bottom described endoseptum;
Described first chamber has and is enclosed in the first arc distribution zone of described endoseptum towards periphery, side in described downtake.
9., according to the arbitrary described vapourizing furnace chilling device of claim 2, it is characterized in that,
Described mouth spray is be connected to the tube stub on described Quench shell and/or endoseptum, and described tube stub internal surface forms wearing layer.
10. vapourizing furnace chilling device according to claim 9, is characterized in that,
Described Quench shell outside described downtake on be also provided with the wash-out hole being convenient to rinse described first chamber, be provided with the detachable part pieces for blocking described wash-out hole in described wash-out hole.
11., according to the arbitrary described vapourizing furnace chilling device of claim 1-2, is characterized in that, also comprise:
With at least one first feed pipe of described first chamber, and
With at least one second feed pipe of described second chamber.
12. vapourizing furnace chilling devices according to claim 11, is characterized in that,
Described first feed pipe along being the second angle with described downtake, stretch out by direction, and described first feed pipe described first chamber projection in the plane overlap with the tangential direction of described first chamber, wherein the second angle is less than or equal to 90 °.
13. vapourizing furnace chilling devices according to claim 11, is characterized in that,
Described mouth spray is 8 ~ 20, and each described mouth spray is evenly distributed in described second chamber circumference.
14. 1 kinds of vapourizing furnaces, comprising:
Reaction chamber;
Shock chamber, is positioned at below described reaction chamber;
It is characterized in that, also comprise:
Chilling device as described in as arbitrary in claim 1-13, the coal gas for being generated by described reaction chamber is transported in described shock chamber.
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| CN201420091818.4U CN204097415U (en) | 2014-02-28 | 2014-02-28 | Vapourizing furnace chilling device and vapourizing furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202016106513U1 (en) | 2016-11-21 | 2016-12-22 | Choren Industrietechnik GmbH | Device for applying a coolant film on the inner surface of a hot gas pipe |
| CN106281473A (en) * | 2016-09-09 | 2017-01-04 | 航天长征化学工程股份有限公司 | Chilling device |
-
2014
- 2014-02-28 CN CN201420091818.4U patent/CN204097415U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106281473A (en) * | 2016-09-09 | 2017-01-04 | 航天长征化学工程股份有限公司 | Chilling device |
| DE202016106513U1 (en) | 2016-11-21 | 2016-12-22 | Choren Industrietechnik GmbH | Device for applying a coolant film on the inner surface of a hot gas pipe |
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