CN201728094U - Novel fluidized bed reactor feeding distributor - Google Patents
Novel fluidized bed reactor feeding distributor Download PDFInfo
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- CN201728094U CN201728094U CN2010201926809U CN201020192680U CN201728094U CN 201728094 U CN201728094 U CN 201728094U CN 2010201926809 U CN2010201926809 U CN 2010201926809U CN 201020192680 U CN201020192680 U CN 201020192680U CN 201728094 U CN201728094 U CN 201728094U
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Abstract
The utility model relates to a fluidized bed reactor feeding distributor, which comprises a main air inlet pipe and at least two layers of feeding distribution pipes, wherein the main air inlet pipe runs through the center of the bottom portion of a fluidized bed reactor and is vertically upwardly arranged, each layer of the at least two layers of the feeding distribution pipes comprise at least two round distribution pipes and radial connecting pipes, the round distribution pipes are concentrically arranged on the radial direction, each layer of at least two feeding distribution pipes are respectively vertically crossed with the main air inlet pipe on a center position and are communicated with air, the round distribution pipes and the radial connecting pipes are all provided with openings which are uniformly spaced, the openings toward to openings on the bottom portion of the reactor, the periphery of the openings are concentrically provided with surrounding edges with the openings, and the opening arranged on each radial connecting pipe spaces a presupposed distance with the main air inlet pipe. Air can be uniformly ejected from the openings of the feeding distributor through the fluidized bed reactor feeding distributor, thereby not producing drift phenomena and preventing from wearing catalyst.
Description
Technical field
The utility model relates to the synthetic field of Fischer-Tropsch, more specifically relates to a kind of novel gas feed distributor of slurry bed reactor of Fischer-Tropsch in synthetic.
Background technology
Be prone to problems such as focus, catalyst filling and unloading difficulty are big in order to overcome fixed bed fischer-tropsch synthetic catalyst bed, people greatly develop the syrup state bed Fischer Tropsch synthetic technology in recent years.Because the granularity of paste state bed reactor requirement catalyst can not be too big, otherwise catalyst can't form slurries mutually with product, simultaneously because the not phase-splitting of slurries that will keep the heavy distillat of catalyst and Fischer-Tropsch synthetic to form, and catalyst is even substantially along the reactor axial distribution, therefore for Fischer-Tropsch synthesis device raw gas flow certain requirement is arranged, Shu Geping " coal liquefaction " (Coal Industry Press, in January, 2003) think that keeping the reactor inlet empty tower gas velocity is not less than 10cm/s, can realize the normal running of paste state bed reactor, generally control paste state bed reactor inlet empty tower gas velocity between 15～40cm/s.So just the unstripped gas feed distributor for reactor has proposed higher requirement:
1. the variation of empty tower gas velocity can not influence the distribution of gas in reactor;
2. the gas distributor catalyst granules that can not wear and tear.
In order to overcome above-mentioned difficulties, people have designed diversified slurry attitude bed gas distributor.
At present circumstances, the applicant designs a kind of synthetic novel gas feed distributor of slurry bed reactor of Fischer-Tropsch that is used for, to solve the even problem that has gas distributor wearing and tearing catalyst granules of the skewness of gas in reactor that present gas feed distributor of slurry bed reactor exists.
The utility model content
In order to solve existing technical problem, a purpose of the present utility model is to provide a kind of paste state bed reactor feed distributor, it is characterized in that, comprising:
Main air inlet pipe, described main air inlet pipe connect the bottom centre of described paste state bed reactor and are provided with vertically upward; And
At least two-layer charging distributor pipe, each layer of described two-layer at least charging distributor pipe comprises:
At least two circular distribution pipes of arranging in described reactor radial concentric and
Radial tube connector,
Wherein, each layer of described two-layer at least charging distributor pipe intersects vertically with described main air inlet pipe in the center respectively and gas is communicated with, and described radial tube connector is from initial radially being communicated with at gas between each of the circular distribution pipe of described reactor radial concentric arrangement to external radiation and with described two with the angle preset at described reactor of described main air inlet pipe at least;
Be provided with even isolated perforate on described circular distribution pipe and the described radial tube connector, described perforate orientating reaction device bottom opening, and in the periphery and the concentric surrounding edge that is provided with of described perforate of described perforate, described surrounding edge is fixed on described two-layer at least charging distributor pipe or the described radial tube connector
And wherein be arranged on every described perforate and the equal default distance at interval of described main air inlet pipe on the described radial tube connector.
Preferably, the quantity of the perforate that is provided with on described circular distribution pipe and described radial tube connector and diameter make the pressure reduction of front and back generation 0.5～1.5bar of the nozzle that formed by opening.Simultaneously, surrounding edge is set in around openings, and set surrounding edge height and and opening between distance, make in surrounding edge, to form air cushion, will drop to below the 10m/s from the come out speed of gas of nozzle.
Preferably, described two-layer at least charging distributor pipe is to be made of three to nine layers of charging distributor pipe, and has a default ground floor spacing between each layer of described two-layer at least charging distributor pipe, have a default second layer spacing between the bottom of described two-layer at least charging distributor pipe and the described reactor bottom, have the 3rd a default interlamellar spacing in each layer of described two-layer at least charging distributor pipe between outermost described circular distribution pipe and the described reactor wall.
Preferably, described reactor diameter is 3 to 20 meters, more preferably 3 to 15 meters, and more preferably 5 to 10 meters.
Preferably, described reactor diameter is 5 meters, and described two-layer at least charging distributor pipe is to be made of three layers of charging distributor pipe.
Preferably, described reactor diameter is 10 meters, and described two-layer at least charging distributor pipe is to be made of nine layers of charging distributor pipe.
Preferably, the orlop charging distributor pipe in the described two-layer at least charging distributor pipe is not less than 60cm apart from the described second layer spacing between the bottom of described reactor.
Preferably, the diameter of the described circular distribution pipe of each in each layer of described two-layer at least charging distributor pipe is inequality, and the number difference of the circular distribution pipe of the described radial concentric arrangement of each layer of described two-layer at least charging distributor pipe.
Preferably, the diameter of the described radial tube connector in the different layers in the described two-layer at least charging distributor pipe is identical.
Preferably, the diameter of main air inlet pipe more preferably, is 60～80cm between 50～100cm, most preferably is 70cm.
More preferably, described reactor diameter is 5 meters, and described two-layer at least charging distributor pipe is to be made of three layers of charging distributor pipe, and the described radial tube connector in the different layers in described three layers of charging distributor pipe is eight, and diameter is identical, is 120mm;
The circular distribution Guan Weiwu root of the upper strata distributor pipe in described three layers of charging distributor pipe, the diameter of circular distribution pipe is from being respectively apart from the most contiguous the beginning of described main air inlet pipe: 447mm, 367mm, 287mm, 207mm and 127mm;
The circular distribution Guan Weisi root of the middle level distributor pipe in described three layers of charging distributor pipe, the diameter of circular distribution pipe is from being respectively apart from the most contiguous the beginning of described main air inlet pipe: 367mm, 287mm, 207mm and 127mm; And
The circular distribution pipe of the bottom distributor pipe in described three layers of charging distributor pipe is two, and the diameter of circular distribution pipe is from being respectively apart from the most contiguous the beginning of described main air inlet pipe: 207mm and 127mm.
More preferably, described reactor (100) diameter is 10 meters, and described two-layer at least charging distributor pipe (200,300,400) is to be made of nine layers of charging distributor pipe, and the described radial tube connector in the different layers in described nine layers of charging distributor pipe is eight, and diameter is identical, is 120mm;
The number of the circular distribution pipe of from top to bottom each layer distributor pipe in described nine layers of charging distributor pipe is followed successively by ten, nine, eight, seven, six, five, four, three, two, and the diameter of each layer circular distribution pipe is from being followed successively by apart from the most contiguous the beginning of described main air inlet pipe:
The number of plies is numbered circular gas distribution tube diameter, mm
1 927、847、767、687、607、527、447、367、287、207
2 847、767、687、607、527、447、367、287、207
3 767、687、607、527、447、367、287、207
4 687、607、527、447、367、287、207
5 607、527、447、367、287、207
6 527、447、367、287、207
7 447、367、287、207
8 367、287、207
9 287、207。
Preferably, perforate on the charging distributor pipe forms nozzle, its diameter is between 3～30mm, the perforate (in order to form nozzle) of some is set, its guarantee gas from the linear velocity of nozzle ejection between 10～100m/s, have the pressure reduction of 0.5～1.5bar before and after the nozzle, gas will be equably from each perforate ejection of gas feed distributor, and the phenomenon of bias current does not appear.Distance between adjacent two perforates on circular distribution pipe and the radial tube connector is 100～200mm, and the perforate on radial tube connector is 120mm apart from the minimum range of main air inlet pipe.Simultaneously, in around openings surrounding edge is set, makes to form air cushion in surrounding edge, will drop to below the 10m/s from the come out speed of gas of nozzle, the diameter of surrounding edge is between 10～60mm, and height is between 5～30mm.More preferably, perforate on the charging distributor pipe forms nozzle, its diameter is between 10～20mm, the perforate (in order to form nozzle) of some is set, distance between adjacent two perforates on circular distribution pipe and the radial tube connector is 140～180mm, and the perforate on radial tube connector is 120～200mm apart from the minimum range of main air inlet pipe.The diameter of the surrounding edge that is provided with in around openings is between 20～50mm, and height is between 10～20mm.Most preferably, the diameter of gas nozzle is 15mm, and the diameter of surrounding edge is 40mm, and height is 13mm, and the distance between nozzle is 140～180mm, and nozzle is 120mm apart from the minimum range of main air inlet pipe.
Description of drawings
Fig. 1 is the side view of the feed distributor of a kind of specific embodiment of the present utility model;
Fig. 2 is the vertical view of top layer charging distributor pipe of the feed distributor of a kind of specific embodiment of the present utility model;
Fig. 3 is the vertical view of intermediate layer charging distributor pipe of the feed distributor of a kind of specific embodiment of the present utility model;
Fig. 4 is the vertical view of bottom charging distributor pipe of the feed distributor of a kind of specific embodiment of the present utility model;
Fig. 5 is the perforate of radial tube connector of feed distributor of a kind of specific embodiment of the present utility model and the structure chart of surrounding edge.
The specific embodiment
The specific embodiment of the present utility model below is provided, has those skilled in the art should understand that the following specific embodiment only in order to be illustrated more clearly in the utility model, and unrestricted scope of the present utility model.
In order to solve the problem that prior art exists, the utility model is by being provided with the needs that multilayer charging distributor pipe satisfies the different scales reactor.Every layer of charging distributor pipe is provided with different circular distribution pipe (it is provided with one heart) of a plurality of diameters and some equally distributed radial tube connectors (preferred 8 radial tube connectors), and the circular distribution pipe is communicated with radial tube connector gas.
In order to prevent the inhomogeneous phenomenon that bias current occurs of distribution of gas, perforate downwards equably forms gas nozzle on the charging distributor pipe, and its reason is:
Perforate forms the diameter of nozzle between 3～30mm on the charging distributor pipe, the quantity of nozzle, guarantee gas from the linear velocity of nozzle ejection between 10～100m/s, have the pressure reduction of 0.5～1.5bar before and after the nozzle, gas will be equably from each perforate ejection of gas feed distributor, and the phenomenon of bias current does not appear; Perforate downwards is in order to prevent that catalyst slurry from entering the charging distributor pipe.
The catalyst of Chu Xianing deposits at reactor bottom for a certain reason, and by increasing empty tower gas velocity, air-flow is downward, the catalyst of deposition can be expelled reactor bottom, prevents that the reactor bottom temperature anomaly that causes owing to catalyst deposit from raising.
If the pressure reduction of 0.5～1.5bar is arranged before and after the gas nozzle that opening forms, gas enters the linear velocity of reactor between 10～100m/s by nozzle, so high air-flow is in case contact with catalyst granules, catalyst granules will be smashed, increased the wearing and tearing of catalyst,, will drop to below the 10m/s from the come out speed of gas of nozzle for this reason at the outside design of nozzle surrounding edge, in surrounding edge, form air cushion, thereby reduce wearing and tearing catalyst.
In a specific embodiment of the present invention, a kind of paste state bed reactor feed distributor is provided, it is characterized in that, comprising:
Main air inlet pipe 500, it connects the bottom centre of described paste state bed reactor 100 and is provided with vertically upward; And
At least two-layer charging distributor pipe 200,300,400, each layer of described two-layer at least charging distributor pipe 200,300,400 comprises:
At least two circular distribution pipe 202-210 that arrange in described reactor 100 radial concentric, 302-308,402-404 and
Radial tube connector 220,320,420,
Wherein, each layer of described two-layer at least charging distributor pipe 200,300,400 intersects vertically with described main air inlet pipe 500 in the center respectively and gas is communicated with, described radial tube connector 220,320,420 from described main air inlet pipe 500 initial described reactor 100 radially with the angle preset to external radiation and with each of described at least two circular distribution pipe 202-210,302-308,402-404 in described reactor radial concentric arrangement between gas be communicated with;
Be provided with even isolated perforate 700 on described circular distribution pipe 202-210,302-308,402-404 and the described radial tube connector 220,320,420, described perforate 700 orientating reaction devices 100 bottom openings, and in the periphery and its concentric surrounding edge 600 that is provided with of perforate 700, described surrounding edge 600 is fixed on described two-layer at least charging distributor pipe 200,300,400 or the described radial tube connector 220,320,420
And wherein be arranged on all default distance L 10 at interval of every described perforate 700 on the described radial tube connector 220,320,420 and described main air inlet pipe 500.
In a preferred embodiment, described two-layer at least charging distributor pipe 200,300, the 400th, by three to nine layers of charging distributor pipe 200,300,400 constitute, and described two-layer at least charging distributor pipe 200,300, has a default ground floor spacing H2 between each of 400 layer, described two-layer at least charging distributor pipe 200,300, has a default second layer spacing H4 between 400 the bottom and described reactor 100 bottoms, described two-layer at least charging distributor pipe 200,300, outermost described circular distribution pipe 202 in each layer of 400,302,402 and described reactor 100 inwalls between have the 3rd a default interlamellar spacing L2.
In a preferred embodiment, described reactor 100 diameters are 3 to 20 meters, and one more preferably in the embodiment, described reactor 100 diameters are 3 to 15 meters, and in further preferred implementation, described reactor 100 diameters are 5 to 10 meters.
In a preferred embodiment, the diameter D2 of main air inlet pipe is between 50～100cm, and one more preferably in the embodiment, the diameter D2 of main air inlet pipe is between 60～80cm, and in a most preferred embodiment, the diameter D2 of main air inlet pipe is 70cm.
In a preferred embodiment, described reactor 100 diameter D20 are 5 meters, and described two-layer at least charging distributor pipe the 200,300, the 400th, are made of three layers of charging distributor pipe.
In a preferred embodiment, described reactor 100 diameters are 10 meters, and described two-layer at least charging distributor pipe is to be made of nine layers of charging distributor pipe.
In a preferred embodiment, the orlop charging distributor pipe in the described two-layer at least charging distributor pipe 200,300,400 is not less than 60cm apart from the described second layer spacing H4 between the bottom of described reactor 100.H4 can be between＞60～100cm, especially between＞60～80cm.
In a preferred embodiment, described two-layer at least charging distributor pipe 200,300,400, each layer in the diameter of each described circular distribution pipe 202-210,302-308,402-404 inequality, and the circular distribution pipe 202-210 that arranges of the described radial concentric of each layer of described two-layer at least charging distributor pipe 200,300,400, the number difference of 302-308,402-404.
In a preferred embodiment, the diameter of the described radial tube connector 220,320,420 in the different layers in the described two-layer at least charging distributor pipe 200,300,400 is identical.
In a preferred embodiment, the described radial tube connector 220,320,420 in the different layers in described three layers of charging distributor pipe 200,300,400 is eight, and diameter is identical, is 120mm;
The circular distribution pipe 202-210 of the upper strata distributor pipe in described three layers of charging distributor pipe 200,300,400 is five, and the diameter of circular distribution pipe is from being respectively apart from described main air inlet pipe 500 the most contiguous beginning: 447mm, 367mm, 287mm, 207mm and 127mm;
The circular distribution pipe 302-308 of the middle level distributor pipe in described three layers of charging distributor pipe 200,300,400 is four, and the diameter of circular distribution pipe is from being respectively apart from described main air inlet pipe 500 the most contiguous beginning: 367mm, 287mm, 207mm and 127mm; And
The circular distribution pipe 402-404 of the bottom distributor pipe in described three layers of charging distributor pipe 200,300,400 is two, and the diameter of circular distribution pipe is from being respectively apart from described main air inlet pipe 500 the most contiguous beginning: 207mm and 127mm.
In a preferred embodiment, the described radial tube connector in the different layers in described nine layers of charging distributor pipe is eight, and diameter is identical, is 120mm;
The number of the circular distribution pipe of from top to bottom each layer distributor pipe in described nine layers of charging distributor pipe is followed successively by ten, nine, eight, seven, six, five, four, three, two, and the diameter of each layer circular distribution pipe is from being followed successively by apart from described main air inlet pipe 500 the most contiguous beginning:
The number of plies is numbered circular gas distribution tube diameter, cm
1 927、847、767、687、607、527、447、367、287、207
2 847、767、687、607、527、447、367、287、207
3 767、687、607、527、447、367、287、207
4 687、607、527、447、367、287、207
5 607、527、447、367、287、207
6 527、447、367、287、207
7 447、367、287、207
8 367、287、207
9 287、207。
In a preferred embodiment, the quantity of the described perforate that is provided with on described circular distribution pipe and described radial tube connector and diameter make the pressure reduction of front and back generation 0.5～1.5bar of the nozzle that formed by described opening, and the height of the described surrounding edge that described around openings is provided with and and described opening between distance, make in described surrounding edge, to form air cushion that the speed of the gas that will come out from the nozzle that is formed by described perforate drops to below the 10m/s.
In a preferred embodiment, perforate on the charging distributor pipe forms nozzle, its diameter is between 3～30mm, the perforate (in order to form nozzle) of some is set, its guarantee gas from the linear velocity of nozzle ejection between 10～100m/s, have the pressure reduction of 0.5～1.5bar before and after the nozzle, gas will be equably from each perforate ejection of gas feed distributor, and the phenomenon of bias current does not appear.Distance between adjacent two perforates on circular distribution pipe and the radial tube connector is 100～200mm, and the perforate on radial tube connector is 120mm apart from the minimum range of main air inlet pipe.Simultaneously, in around openings surrounding edge is set, makes to form air cushion in surrounding edge, will drop to below the 10m/s from the come out speed of gas of nozzle, the diameter of surrounding edge is between 10～60mm, and height is between 5～30mm.
One more preferably in the embodiment, perforate on the charging distributor pipe forms nozzle, its diameter is between 10～20mm, the perforate (in order to form nozzle) of some is set, distance between adjacent two perforates on circular distribution pipe and the radial tube connector is 140～180mm, and the perforate on radial tube connector is 120～200mm apart from the minimum range of main air inlet pipe.The diameter of the surrounding edge that is provided with in around openings is between 20～50mm, and height is between 10～20mm.
In a most preferred embodiment, the diameter L6 of gas nozzle 700 is 15mm, and the diameter L8 of surrounding edge 600 is 40mm, and high H6 is 13mm, and the distance L 4 between nozzle is 140～180mm, and nozzle is 120mm apart from the minimum range L10 that is responsible for.
Specify the specific embodiment of the present utility model below in conjunction with accompanying drawing, those skilled in the art should understand that the following specific embodiment only in order to be illustrated more clearly in the utility model, and unrestricted scope of the present utility model.
Novel gas feed distributor of slurry bed reactor of the present utility model is by being provided with the needs that multilayer charging distributor pipe satisfies the different scales reactor, wherein, every layer of charging distributor pipe all established to the different circular distribution pipe of the diameter that a plurality of concentric distributions are arranged, many radial tube connectors of the symmetrical distribution that is communicated with the circular distribution pipe gas different with the diameter of a plurality of concentric distributions, as be provided with 360/n ° predetermined angle evenly to extraradial radial distribution pipe, wherein n is the radical of radial distribution pipe, be preferably four, the six roots of sensation or eight radial tube connectors, more preferably eight radial tube connectors.
For preventing the inhomogeneous phenomenon that bias current occurs of distribution of gas, downward perforate is set on the charging distributor pipe equably, form gas nozzle with this, wherein the perforate on the charging distributor pipe forms the diameter of nozzle between 3～30mm, distance between adjacent two openings is between 140～180mm, the quantity of the nozzle that is formed by opening is by the diameter decision of the circular distribution device of the most peripheral of the diameter of reactor and each layer gas feed distributor, guarantee gas from the linear velocity of nozzle ejection between 10～100m/s, have the pressure reduction of 0.5～1.5bar before and after the nozzle that forms by opening, gas will the phenomenon of bias current not occur equably from each perforate ejection of gas feed distributor.
The perforate of circular distribution pipe and radial tube connector is downward, prevents that catalyst slurry from entering the charging distributor pipe; Make that occurring catalyst for a certain reason deposits at reactor bottom, by increasing empty tower gas velocity, air-flow is downward, the catalyst of deposition can be expelled reactor bottom, prevents because catalyst deposit causes reactor bottom temperature anomaly to raise.
But, if the pressure reduction of 0.5～1.5bar is arranged before and after the gas nozzle, gas enters the linear velocity of reactor between 10～100m/s by nozzle, so high air-flow is in case contact with catalyst granules, catalyst granules will be smashed, the wearing and tearing of catalyst have been increased, for fear of the wearing and tearing that increase catalyst, in the nozzle outer setting surrounding edge is arranged, by diameter and the height of regulating surrounding edge, to drop to below the 10m/s from the come out speed of gas of nozzle, and in surrounding edge, form air cushion, thereby reduce wearing and tearing catalyst.
Below in conjunction with Fig. 1～Fig. 4, the feed distributor when being 5 meters for reactor diameter D20 is described in detail.
Fig. 1～Fig. 4 is respectively the vertical view of upper strata, middle level and bottom charging distributor pipe of side view, the feed distributor of feed distributor.Wherein describe the distribution schematic diagram of charging distributor pipe in the drawings in detail.
As seen from Figure 1: the main air inlet pipe 500 diameter D2 of feed distributor are 70cm, air inlet pipe is divided into three layers, the air line distance H4 of bottom is greater than 60cm from the housing of reactor 100 to distributor, and the interlamellar spacing H2 between each layer distributor pipe of upper strata distributor pipe 200, middle level distributor pipe 300, lower floor's distributor pipe 400 is 60cm.Diameter D4, the D10 of distributor pipe and tube connector are 12cm.Distance L 2 between the housing of upper strata distributor pipe 200 and reactor 100 is 19cm.
Fig. 2 shows the vertical view of its top feed distributor pipe 200, it is made up of 210,208,206,204,202 and 8 radial tube connectors 220 of distribution round tube that 5 diameters are respectively 127mm, 207mm, 287mm, 367mm and 447mm, and the diameter of distributor pipe 202-210 and tube connector 220 is 12cm.
Fig. 3 shows the vertical view of intermediate layer charging distributor pipe 300, it is made up of 308,306,304,302 and 8 radial tube connectors 320 of circular distribution pipe that diameter is respectively 127mm, 207mm, 287mm and 367mm, and the diameter of distributor pipe 308-302 and tube connector 320 is 12cm.
Fig. 4 shows the vertical view of bottom charging distributor pipe 400, and it is that 402,404 and 8 radial tube connectors 420 of circular distribution pipe of 127cm and 207cm are formed by diameter, and the diameter of distributor pipe 402-404 and tube connector 420 is 12cm.
Fig. 5 is the perforate of radial tube connector of feed distributor and the structure chart of surrounding edge.As seen from the figure: the diameter of opening 700 is 15mm, and it forms gas nozzle.The diameter L8 of surrounding edge 600 is 40mm, and high H6 is 13mm, and the distance between nozzle is that L4 is 140～180mm, and the nozzle that is formed by perforate 700 is 120mm apart from the minimum range L10 of main air inlet pipe 500.Surrounding edge 600 is fixed on circular distribution pipe 202-210,302-308,402-404 or the radial tube connector 220,320,420 of each layer of upper, middle and lower of every layer of charging distributor pipe 200,300,400, and with opening 700 concentric settings.
Wherein, circular distribution pipe for each layer of upper, middle and lower of feed distributor, the perforate 700 that is provided with on it and the structure of surrounding edge 600 are not shown, and the minimum range L10 that its size and distributing is removed the main air inlet pipe 500 of nozzle distance that perforate 700 forms is the 120mm, with shown in Figure 5 identical.
The below description carried out of the feed distributor when being 10 meters for reactor diameter D20 not shownly goes out concrete structure.
When reactor diameter becomes 10 meters, the diameter that gas nozzle is set is 15mm, and the diameter of surrounding edge is 40mm, and height is 13mm, and the distance between nozzle is 140～180mm, and nozzle is 120mm apart from the minimum range of being responsible for.9 layers of gas distribution tube need be set, and every layer is provided with 8 tube connectors, and from the top, the diameter of the circular gas distribution tube of each layer sees Table 1.
Table 1
| Number of plies numbering | Circular gas distribution tube diameter, mm |
| 1 | 927、847、767、687、607、527、447、367、287、207 |
| 2 | 847、767、687、607、527、447、367、287、207 |
| 3 | 767、687、607、527、447、367、287、207 |
| 4 | 687、607、527、447、367、287、207 |
| 5 | 607、527、447、367、287、207 |
| 6 | 527、447、367、287、207 |
| 7 | 447、367、287、207 |
| 8 | 367、287、207 |
| 9 | 287、207 |
For the reactor of other diameters, can be according to the size of reactor diameter, on the basis of above-mentioned two kinds of specific embodiment, correspondingly adjust, the radical of the number of plies of adjustment gas feed distributor and the circular distribution pipe of each layer and gas are communicated with the radical of the radial distribution pipe of circular distribution pipe, as be provided with 360/n ° predetermined angle evenly to extraradial radial distribution pipe, wherein n is the radical of radial distribution pipe, and the quantity of the nozzle that forms by opening according to the diameter adjustment of the circular distribution pipe of the most peripheral of the diameter of reactor and each layer gas feed distributor pipe and the diameter of nozzle, guarantee gas from the linear velocity of nozzle ejection between 10～100m/s, have the pressure reduction of 0.5～1.5bar before and after the nozzle that forms by opening, the bias current phenomenon does not appear during the gas ejection, simultaneously, the nozzle outer setting surrounding edge that is forming by opening, according to the diameter of nozzle and the diameter and the height of quantity regulating surrounding edge, make and to drop to below the 10m/s from the come out speed of gas of nozzle, in surrounding edge, form air cushion, thereby reduce the wearing and tearing to catalyst, this can expect for those skilled in the art.
Gas feed distributor of the present utility model also can be used for other similar reactors to be prevented reactor bottom solid material and/or product and/or catalyst deposit and to avoid it is caused wearing and tearing realizing.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a paste state bed reactor feed distributor is characterized in that, comprising:
Main air inlet pipe (500), described main air inlet pipe (500) connect the bottom centre of described paste state bed reactor (100) and are provided with vertically upward; And
At least two-layer charging distributor pipe (200,300,400), each layer of described two-layer at least charging distributor pipe (200,300,400) comprises:
At least two circular distribution pipes of arranging in described reactor (100) radial concentric (202-210,302-308,402-404) and
Radial tube connector (220,320,420),
Wherein, each layer of described two-layer at least charging distributor pipe (200,300,400) intersects vertically with described main air inlet pipe (500) in the center respectively and gas is communicated with, and described radial tube connector (220,320,420) is from initial radially being communicated with at gas between each of the circular distribution pipe (202-210,302-308,402-404) of described reactor radial concentric arrangement to external radiation and with described two with the angle preset at described reactor (100) of described main air inlet pipe (500) at least;
Described circular distribution pipe (202-210,302-308,402-404) with described radial tube connector (220,320,420) be provided with even isolated perforate (700) on, described perforate (700) orientating reaction device (100) bottom opening, and in the periphery and the concentric surrounding edge (600) that is provided with of described perforate (700) of described perforate (700), described surrounding edge (600) is fixed on described two-layer at least charging distributor pipe (200,300,400) or described radial tube connector (220,320,420) on
And wherein be arranged on the equal default distance (L10) at interval of described perforate (700) and described main air inlet pipe (500) on the every described radial tube connector (220,320,420).
2. paste state bed reactor feed distributor according to claim 1, it is characterized in that described two-layer at least charging distributor pipe (200,300,400) be by three to nine layers of charging distributor pipe (200,300,400) constitute, and described two-layer at least charging distributor pipe (200,300,400) has a default ground floor spacing (H2) between each layer, described two-layer at least charging distributor pipe (200,300,400) has a default second layer spacing (H4), described two-layer at least charging distributor pipe (200 between the bottom and described reactor (100) bottom, 300,400) outermost described circular distribution pipe (202 in each layer, 302,402) and have default the 3rd interlamellar spacing (L2) between described reactor (100) inwall.
3. paste state bed reactor feed distributor according to claim 2 is characterized in that described reactor (100) diameter is 3 to 20 meters.
4. paste state bed reactor feed distributor according to claim 1 it is characterized in that described reactor (100) diameter is 5 meters, and described two-layer at least charging distributor pipe (200,300,400) is to be made of three layers of charging distributor pipe.
5. paste state bed reactor feed distributor according to claim 1 it is characterized in that described reactor (100) diameter is 10 meters, and described two-layer at least charging distributor pipe is to be made of nine layers of charging distributor pipe.
6. according to each described paste state bed reactor feed distributor of claim 1～5, it is characterized in that the orlop charging distributor pipe in the described two-layer at least charging distributor pipe (200,300,400) is not less than 60cm apart from the described second layer spacing (H4) between the bottom of described reactor (100).
7. according to each described paste state bed reactor feed distributor of claim 1～5, the diameter that it is characterized in that each the described circular distribution pipe (202-210,302-308,402-404) in each layer of described two-layer at least charging distributor pipe (200,300,400) is inequality, and the number difference of the circular distribution pipe (202-210,302-308,402-404) arranged of the described radial concentric of each layer of described two-layer at least charging distributor pipe (200,300,400).
8. according to each described paste state bed reactor feed distributor of claim 1～5, it is characterized in that the diameter of each the described radial tube connector (220,320,420) in the different layers in the described two-layer at least charging distributor pipe (200,300,400) is identical.
9. paste state bed reactor feed distributor according to claim 4, it is characterized in that the described radial tube connector (220,320,420) in the different layers in described three layers of charging distributor pipe (200,300,400) is eight, and diameter is identical, is 120mm;
The circular distribution pipe (202-210) of the upper strata distributor pipe in described three layers of charging distributor pipe (200,300,400) is five, and the diameter of described circular distribution pipe is from being respectively apart from the most contiguous the beginning of described main air inlet pipe (500): 447mm, 367mm, 287mm, 207mm and 127mm;
The circular distribution pipe (302-308) of the middle level distributor pipe in described three layers of charging distributor pipe (200,300,400) is four, and the diameter of described circular distribution pipe is from being respectively apart from the most contiguous the beginning of described main air inlet pipe (500): 367mm, 287mm, 207mm and 127mm; And
The circular distribution pipe (402-404) of the bottom distributor pipe in described three layers of charging distributor pipe (200,300,400) is two, and the diameter of described circular distribution pipe is from being respectively apart from the most contiguous the beginning of described main air inlet pipe (500): 207mm and 127mm.
10. paste state bed reactor feed distributor according to claim 5 it is characterized in that the described radial tube connector in the different layers in described nine layers of charging distributor pipe is eight, and diameter is identical, is 120mm;
The number of the circular distribution pipe of from top to bottom each layer distributor pipe in described nine layers of charging distributor pipe is followed successively by ten, nine, eight, seven, six, five, four, three, two, and the diameter of the described circular distribution pipe of each layer is from being followed successively by apart from the most contiguous the beginning of described main air inlet pipe (500):
The number of plies is numbered circular gas distribution tube diameter, mm
1 927、847、767、687、607、527、447、367、287、207
2 847、767、687、607、527、447、367、287、207
3 767、687、607、527、447、367、287、207
4 687、607、527、447、367、287、207
5 607、527、447、367、287、207
6 527、447、367、287、207
7 447、367、287、207
8 367、287、207
9 287、207。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201926809U CN201728094U (en) | 2010-05-12 | 2010-05-12 | Novel fluidized bed reactor feeding distributor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201926809U CN201728094U (en) | 2010-05-12 | 2010-05-12 | Novel fluidized bed reactor feeding distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201728094U true CN201728094U (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201926809U Expired - Lifetime CN201728094U (en) | 2010-05-12 | 2010-05-12 | Novel fluidized bed reactor feeding distributor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837270B (en) * | 2010-05-12 | 2012-12-05 | 神华集团有限责任公司 | Novel gas feed distributor of slurry bed reactor |
-
2010
- 2010-05-12 CN CN2010201926809U patent/CN201728094U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837270B (en) * | 2010-05-12 | 2012-12-05 | 神华集团有限责任公司 | Novel gas feed distributor of slurry bed reactor |
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