CN102039103B - Gas-solid phase feed distributor - Google Patents
Gas-solid phase feed distributor Download PDFInfo
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- CN102039103B CN102039103B CN200910153361.9A CN200910153361A CN102039103B CN 102039103 B CN102039103 B CN 102039103B CN 200910153361 A CN200910153361 A CN 200910153361A CN 102039103 B CN102039103 B CN 102039103B
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Abstract
The invention discloses a gas-solid phase feed distributor comprising a casing and a feeding mechanism arranged in the casing, wherein a feed opening communicated with the feeding mechanism is arranged on the casing. The gas-solid phase feed distributor is characterized in that the feeding mechanism comprises a sleeve which is coaxial with the casing, is arranged inside the casing and is provided with a first part, a third part and a second part; the distance between the outer wall of the first part and the inner wall of the casing is smaller than the distance between the outer wall of the third part and the inner wall of the casing; an annular gas-solid phase fluid channel is formed between the sleeve and the casing; the feeding mechanism further comprises a base plate, a plurality of deflectors, a plurality of spoilers and an emptying port; the bottom end of the sleeve is connected with the casing in a sealing manner by using the base plate; the deflectors are uniformly and symmetrically arranged on the base plate at intervals; the spoilers are spirally arranged between the inner wall of the casing and the outer wall of the first part of the sleeve; and the emptying port is arranged on the base plate and is used for draining liquid in a container during a hydraulic test. Compared with the prior art, the gas-solid phase feed distributor can be used for a high-temperature and high-pressure fly ash filter and has the advantages of not occupying the effective space of the casing, not influencing the falling of fly ash falling off a filter element, not giving rise to the secondary dust fly and the like.
Description
Technical field
The present invention relates to a kind of gas-solid phase feed distributor.
Background technology
In coal gasification industry, the HTHP fly-ash filter that synthetic gas is filtered, its gas-solid phase materials enters from housing sidewall, after feed distributor is distributed, material is uniformly distributed in housing dust-laden side, simultaneously on the dust stratification in filter element and housing without impact.In existing apparatus, gas-solid phase feed distributor adopts branched pipe distributor more.As shown in Figure 3 and Figure 4, as by the air inlet supervisor, first be branched off into 2 arms, more again be branched off into 4 branched pipes by 2 branched pipes, then on 4 branched pipes, arrange tedge.
Gas-solid phase feed distributor as shown in Figure 5 and Figure 6 again, the air inlet supervisor is branched off into 1 arm, branches out 3 arms on this arm again, then at 3 branched pipes, arranges tedges.
Above-mentioned these two kinds of manifold distributors have taken device diameters and height space, have taken the space, whereabouts of flying dust, spacing certain support component and the erosion control element of also needing of while manifold distributor, and its structure is more complicated.
The utility model patent that the patent No. is ZL94222811.1 has proposed the feed distributor in a kind of gas-solid phase multistage cold shock formula fixed bed reactors, it is characterized in that house steward and each arm are round tube, each arm is connected by flange with house steward in reactor, each arm is same cross section equal angles or equidistantly arrangement in reactor, have 1 to 2 row aperture up or down on arm, aperture is uniformly distributed along pipe range.This gas-solid phase feed distributor has material and is evenly distributed, and pressure drop is little, simple in structure, the advantage that cost is low.But this kind of distributor be uniformly distributed effect only near plane of inlet, material can not be uniformly distributed in its entrance top spatial dimension far away, the distribution air-flow of this kind of distributor in whole entrance section vertically upward or downwards, this is all influential in the whereabouts of the formation of filter element surface and flying dust for flying dust, and therefore this distributor is in high temp/pressure filter and inapplicable.
Summary of the invention
Technical problem to be solved by this invention is that the present situation for prior art provides a kind of gas-solid phase feed distributor for the HTHP fly-ash filter, it can reduce diameter and the height of fly-ash filter, do not take the housing useful space, unstripped gas is evenly distributed, and the distributor pressure drop is little.
The present invention solves the problems of the technologies described above adopted technical scheme: this kind of gas-solid phase feed distributor, comprise housing and be arranged on the feeding mechanism in housing, described housing is provided with the charging aperture that is communicated with described feeding mechanism, it is characterized in that described feeding mechanism comprises:
Sleeve, coaxially be arranged on enclosure interior with described housing, the third part that there is the first that is positioned at top, is positioned at bottom be connected second portion described first and third part, that be positioned at the sleeve middle part; Wherein the outer wall of first is less than the distance of the outer wall of third part apart from inner walls apart from the distance of inner walls; Formed annular gas-solid phase fluid passage between sleeve and housing;
Base plate, be connected the bottom of described sleeve with described housing seal;
Discharging hole, be arranged on base plate, between described inner walls and sleeve outer wall, for discharging liquid;
Baffle plate, be arranged at the centre of charging aperture, with described sleeve, housing and base plate, is tightly connected;
Dividing plate, be arranged at the centre of charging aperture right opposite, with described sleeve, housing and base plate, is tightly connected, and coordinates together with baffle plate annular gas-solid phase fluid passage is divided into to symmetrical first passage and second channel two parts;
The polylith deflector, be arranged on base plate evenly and at intervals, connects the third part outer wall of described inner walls and sleeve, and the deflector that is positioned at first passage and second channel is symmetrically set;
The polylith spoiler, identical with the quantity of described deflector, spiral is arranged in the first of described sleeve, has identical lead angle and height, connects first's outer wall of described inner walls and sleeve, and each spoiler be positioned at each deflector directly over.
The effect of described second portion is to connect first and third part, and its shape can be arbitrarily, such as arc, linear or shaped form etc.Preferably, can be taper, this structure is easy to processing, and can not deposit dust, reduces the wearing and tearing of outer wall simultaneously.The cone angle of second portion can be 30 °～70 °.
Described charging aperture can be rounded, corresponding to described third part, is arranged on described housing, and described baffle plate is " people " font, and the tip of baffle plate is divided into two charging aperture, and two minutes ends of baffle plate are tangent with the outer wall of third part respectively.
This shunting mode can effectively reduce the direct erosion of gas-solid phase fluid to third part, make simultaneously be assigned in first passage and the gas-solid phase fluid in second channel basic identical, distribute more evenly.
The effect of deflector is that the fluid that makes to enter in annular gas-solid phase fluid passage changes the flow direction, and the gas-solid phase fluid that is about to circumferential flow is changed into axial flow, and the fluid risen can be uniformly distributed along the perisporium of sleeve.The height that is arranged on the deflector in described first passage and second channel can be started to be regular distribution to the position of closing on described dividing plate by the position of closing on described baffle plate, for example be parabolic shape arrangement, wave-like arrangement, zigzag fashion arrangement etc., preferably, can be equal-difference arrangement.
Described deflector can be flat board, and every deflector all is obliquely installed with identical radially angle and axial inclination, and wherein said radially angle refers to the angle that deflector top plan view center line turns over respect to the diametric(al) of described housing; Described axial inclination refers to the angle of plane, deflector place and described housing axis direction.
During flow at high speed, be turbulent flow in the circular passage of gas-solid phase fluid between sleeve third part and housing, produce stronger centrifugal action simultaneously, radially angle can reduce the less turbulence of fluid, reduces the energy loss of fluid.Axial inclination can make the gas-solid phase fluid, to the impact of deflector, cushioning effect be arranged, and reduces the energy loss of fluid, also makes the gas-solid phase fluid be easy to diversed simultaneously.
Preferably, described radially angle can be 30 °～40 °, and described axial inclination can be 5 °～15 °.
Can obtain the pressure drop and the relative effect that distributes uniformly of less in the radially angle of this scope and axial inclination.
In such scheme, the distance L 1 of the described inner walls of described third part distance meets with the interior diameter ID of described charging aperture
The height H 1=of third part (1.2～2.0) ID; Described first is apart from the distance between the housing outer wall
Distance H 3=(0.1～0.2) DN in the top of first and described housing between supervisor's plate 10, the interior diameter that wherein DN is described housing; In described baffle plate with the radius R of the tangent part of described sleeve=(0.5～1) L1.
Described deflector height etc. difference DELTA H and the quantity N of deflector and the interior diameter ID of described charging aperture meet following relation:
The height h1 that closes on the initial deflector of described baffle plate is:
The height H 4 of described spoiler meets and concerns H4=(0.5～0.8) H2 with the height H 2 of first.
Compared with prior art, gas-solid phase feed distributor provided by the present invention has following advantage:
1, can effectively reduce diameter and the height of housing, reduce the housing specification, reduce the housing cost: described sleeve arranges along the housing periphery, takes full advantage of the redundant space of housing, and not needing increases diameter of the housing because this distributor is set.This distributor axial layout and filter element in housing is independent of each other, can make to arrange between raw material gas inlet and filter element recently, can reduce the housing height like this.
2, distributor does not take the housing useful space, does not affect from the come off whereabouts of flying dust of filter element, does not cause the secondary dust.
3, unstripped gas is evenly distributed, and the distributor pressure drop is little: this distributor makes unstripped gas distribute to the housing centre in the whole circumference range of housing periphery simultaneously, and speed and the flow of all directions unstripped gas are basic identical, and unstripped gas is uniformly distributed in housing.The distributor discharge area generally be the unstripped gas entrance section long-pending more than 2.5 times, in distributor, deflector is obliquely installed according to certain rules simultaneously, all can reduce the pressure drop of distributor.
4, structure of distributor is simple, and cost is low.
The accompanying drawing explanation
The planar structure schematic diagram that Fig. 1 is the positive apparent direction of the embodiment of the present invention;
Fig. 2 is the cutaway view along A-A line in Fig. 1;
Fig. 3 is the planar structure schematic diagram that has the positive apparent direction of gas-solid phase feed distributor of four arms in background technology;
The top view that Fig. 4 is Fig. 3;
The planar structure schematic diagram of the positive apparent direction of gas-solid phase feed distributor that Fig. 5 is three arms in background technology;
The top view that Fig. 6 is Fig. 5.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As depicted in figs. 1 and 2, this gas-solid phase feed distributor comprises housing 1, be provided with a sleeve 2 coaxial with housing 1 in housing 1 inside, this sleeve 2 is divided into three parts, be positioned at top first 21, be positioned at bottom third part 23 be connected described first 21 and third part 23, be positioned at the second portion 22 at sleeve 2 middle parts; The bottom of housing 1 is provided with circular charging aperture 11 corresponding to third part 23, and charging aperture 11 outsides are connected to feed pipe 4.Wherein first 21 meets following relation apart from the distance L 2 of inner walls with the interior diameter DN of charging aperture interior diameter ID and housing 1:
The port of export of first 21 to the distance H 3 of supervisor's plate lower surface in housing meets following relation: H3=0.15DN with the interior diameter DN of housing.
The outer span inner walls of third part 23 is far away, and third part 23 to the distance L 1 of inner walls meets following relation with charging aperture 11 interior diameter ID:
Height H 1 and the charging aperture interior diameter ID of third part 23 meet following relation: H1=1.6ID; And L1<L2.
Form annular gas-solid phase fluid passage 3 between sleeve 2 and housing 1; The centre of charging aperture 11 is provided with one annular gas-solid phase fluid passage is divided into to symmetrical two-part " people " font baffle plate 5; Wherein the tip 51 of baffle plate 5 is divided into not connected two parts by charging aperture 11, and two minutes ends 52 of baffle plate 5 are tangent with the outer wall of third part 23 respectively.Centre at charging aperture 11 right opposites is provided with dividing plate 10, dividing plate 10 is tightly connected with described sleeve 2, housing 1 and base plate 6, and dividing plate 10 coordinates with baffle plate 5 the annular gas-solid phase fluid passage 3 of third part 23 and inner walls formation is divided into to symmetrical first passage 31 and second channel 32 two parts.The radius of curvature R of two minutes of baffle plate 5 ends 52 and third part 23 to the distance L 1 of inner walls meets and concerns R=0.8L1.
Base plate 6 arranges the bottom of sleeve 2, and the bottom of sleeve 2 and housing 1 are tightly connected; Between inner walls and sleeve outer wall, be symmetrically arranged with evenly and at intervals four discharging holes 61, the liquid during for the amount discharge container hydraulic test on base plate 6.Discharging hole 61 can symmetry be offered 2～4 discharging holes on base plate, and the specification of discharging hole 61 can be: φ 15mm～φ 30mm is φ 25mm in the present embodiment; The below of discharging hole 61 arranges takes over 7, and take over specification and can be: φ 25mm～φ 60mm be φ 40mm in the present embodiment, and connecting pipe length can be 150mm～300mm, in the present embodiment, is 250mm.
In the annular gas-solid phase fluid passage 3 interior symmetries of third part 23 and be provided with evenly and at intervals eight deflectors 8 on base plate 6, the quantity N of deflector 8 usually can be between 6～12, deflector 8 is flat board, and every deflector 8 all is obliquely installed with identical radially angle and axial inclination; Above-mentioned radially angle refers to the angle that deflector 8 top plan view center lines turn over respect to the diameter of the housing direction; Axial inclination refers to the angle of deflector 8 planes, place and housing axis direction.In the present embodiment, the radially angle of deflector 8 is: 35 °, the axial inclination of deflector 8 is: 10 °; Every deflector all is connected with sleeve outer wall with the inwall of housing, the height of deflector 8 starts to two side directions by the arithmetic progression spread configuration from charging aperture, and quantity N and the charging aperture 11 interior diameter ID of the difference DELTA H such as height between two adjacent deflectors and deflector meet following relation:
The initial deflector height h1 nearest apart from charging aperture is:
In the annular gas-solid phase fluid passage of first 21 symmetrical and equably spiral be provided with eight spoilers 9, the quantity of spoiler 9 is identical with the quantity of deflector 8, the bottom of spoiler 9 is concordant with the bottom of first 21, every spoiler 9 all connects inner walls and sleeve outer wall simultaneously, the lead angle of all spoilers 9 and highly all identical, in the present embodiment, the lead angle of spoiler 9 is: 65 °, the height H 4 of spoiler 9 meets following relation: H4=0.65H2 with the height H 2 of first 21.The position of spoiler 9 is corresponding with deflector 8, spoiler 9 be positioned at deflector 8 directly over, spoiler 9 top plan view radial centre lines are by the intersection point of deflector 8 top plan view longitudinal axis and circumferential axis.
During use, the gas-solid phase fluid is entered in distributor by charging aperture 11 by feed pipe 4, by " people " font baffle plate 5, the gas-solid phase fluid is divided into to two parts, enter respectively first passage 31 and second channel 32, in two passages, the gas-solid phase fluid is that hoop flows, when running into the deflector 8 of equal-difference arrangement, most of fluid will change axial flow gradually into, remaining fluid will change axial flow into along baffle plate 10, because there is base plate 6 the distributor bottom, the gas-solid phase fluid will axially make progress and flow, the gas-solid phase fluid is flowed through after conical shell 22 and is entered the circular passage formed by sleeve first 21 and housing 1, under the effect of spoiler 9, the gas-solid phase fluid will form certain screw, the gas-solid phase fluid leaves distributor by sleeve first 21 tops in this way.When container carries out hydraulic test, the liquid in distributor will and be taken over 7 and discharge by the discharging hole 61 on base plate 6.The gas-solid phase fluid distributed by this kind of mode is relatively even, and fluid pressure drop is little.The distributor of arranging by this kind of mode, take full advantage of the redundant space of housing, do not take the useful space of housing.
Claims (10)
1. a gas-solid phase feed distributor, comprise housing and be arranged on the feeding mechanism in housing, and described housing is provided with the charging aperture that is communicated with described feeding mechanism, it is characterized in that described feeding mechanism comprises:
Sleeve, coaxially be arranged on enclosure interior with described housing, the third part that there is the first that is positioned at top, is positioned at bottom be connected second portion described first and third part, that be positioned at the sleeve middle part; Wherein the outer wall of first is less than the distance of the outer wall of third part apart from inner walls apart from the distance of inner walls; Formed annular gas-solid phase fluid passage between sleeve and housing;
Base plate, be connected the bottom of described sleeve with described housing seal;
Discharging hole, be arranged on base plate, between described inner walls and sleeve outer wall, for discharging liquid;
Baffle plate, be arranged at the centre of charging aperture, with described sleeve, housing and base plate, is tightly connected;
Dividing plate, be arranged at the centre of charging aperture right opposite, with described sleeve, housing and base plate, is tightly connected, and coordinates together with baffle plate annular gas-solid phase fluid passage is divided into to symmetrical first passage and second channel two parts;
The polylith deflector, be arranged on base plate evenly and at intervals, connects the third part outer wall of described inner walls and sleeve, and the deflector that is positioned at first passage and second channel is symmetrically set;
The polylith spoiler, identical with the quantity of described deflector, spiral is arranged in the first of described sleeve, has identical lead angle and height, connects first's outer wall of described inner walls and sleeve, and each spoiler be positioned at each deflector directly over.
2. gas-solid phase feed distributor according to claim 1, is characterized in that described second portion is taper.
3. gas-solid phase feed distributor according to claim 2, the cone angle that it is characterized in that described second portion is 30 °～70 °.
4. gas-solid phase feed distributor according to claim 1, it is characterized in that described charging aperture is rounded, corresponding to described third part, be arranged on described housing, described baffle plate is " people " font, the tip of baffle plate is divided into two charging aperture, and two minutes ends of baffle plate are tangent with the outer wall of third part respectively.
5. gas-solid phase feed distributor according to claim 4, is characterized in that the height of described deflector is started to be regular distribution to the position of closing on described dividing plate by the position of closing on described baffle plate.
6. gas-solid phase feed distributor according to claim 5, is characterized in that the height of described deflector becomes equal-difference arrangement successively.
7. gas-solid phase feed distributor according to claim 6, it is characterized in that described deflector is for dull and stereotyped, and every deflector all is obliquely installed with identical radially angle and axial inclination, wherein said radially angle refers to the angle that deflector top plan view center line turns over respect to the diametric(al) of described housing; Described axial inclination refers to the angle of plane, deflector place and described housing axis direction.
8. gas-solid phase feed distributor according to claim 7, is characterized in that described radially angle is 30 °～40 °, and described axial inclination is 5 °～15 °.
9. according to the described gas-solid phase feed distributor of the arbitrary claim of claim 1 to 8, it is characterized in that the distance L 1 of the described inner walls of described third part distance and the interior diameter ID of described charging aperture meet
the height H 1=of third part (1.2～2.0) ID; Described first is apart from the distance between the housing outer wall
distance H 3=(0.1～0.2) DN in the top of first and described housing between supervisor's plate, the interior diameter that wherein DN is described housing; In described baffle plate with the radius R of the tangent part of described sleeve=(0.5～1) L1.
10. gas-solid phase feed distributor according to claim 9 is characterized in that the difference △ H such as height of described deflector and the quantity N of deflector and the interior diameter ID of described charging aperture meet following relation:
the height h1 that closes on the initial deflector of described baffle plate is:
the height H 4 of described spoiler meets and concerns H4=(0.5～0.8) H2 with the height H 2 of first.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910153361.9A CN102039103B (en) | 2009-10-19 | 2009-10-19 | Gas-solid phase feed distributor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910153361.9A CN102039103B (en) | 2009-10-19 | 2009-10-19 | Gas-solid phase feed distributor |
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| Publication Number | Publication Date |
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| CN102039103A CN102039103A (en) | 2011-05-04 |
| CN102039103B true CN102039103B (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910153361.9A Active CN102039103B (en) | 2009-10-19 | 2009-10-19 | Gas-solid phase feed distributor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102366691A (en) * | 2011-10-19 | 2012-03-07 | 江苏省宜兴非金属化工机械厂有限公司 | Fume filter |
| CN103468274A (en) * | 2013-08-20 | 2013-12-25 | 武汉科技大学 | Fluid dredging device for annular fluid distributary passage |
| CN111486586B (en) * | 2019-01-28 | 2022-05-20 | 芜湖美的厨卫电器制造有限公司 | Water heater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2273216Y (en) * | 1996-12-20 | 1998-01-28 | 北京泽华化学工程有限公司 | Flow line type feeding gas sparger |
| CN2396883Y (en) * | 1999-11-26 | 2000-09-20 | 南京大学 | Conical cyclone gas distributing machine |
| CN1887400A (en) * | 2006-05-31 | 2007-01-03 | 天津大学 | Double-layer deflecting gas distributor |
-
2009
- 2009-10-19 CN CN200910153361.9A patent/CN102039103B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2273216Y (en) * | 1996-12-20 | 1998-01-28 | 北京泽华化学工程有限公司 | Flow line type feeding gas sparger |
| CN2396883Y (en) * | 1999-11-26 | 2000-09-20 | 南京大学 | Conical cyclone gas distributing machine |
| CN1887400A (en) * | 2006-05-31 | 2007-01-03 | 天津大学 | Double-layer deflecting gas distributor |
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| CN102039103A (en) | 2011-05-04 |
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Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Applicant after: China Petrochemical Group Corp. Applicant after: SINOPEC Ningbo Engineering Company Limited Applicant after: SINOPEC Ningbo Technology Research Institute Co., Ltd. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Applicant before: China Petrochemical Group Corp. Applicant before: Sinopec Ningbo Engineering Co., Ltd. Applicant before: Sinopec Ningbo Institute of Technology |
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