CN204051642U - Novel fluidized bed - Google Patents
Novel fluidized bed Download PDFInfo
- Publication number
- CN204051642U CN204051642U CN201420535126.4U CN201420535126U CN204051642U CN 204051642 U CN204051642 U CN 204051642U CN 201420535126 U CN201420535126 U CN 201420535126U CN 204051642 U CN204051642 U CN 204051642U
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- housing
- air inlet
- feed pipe
- fluidized bed
- novel fluidized
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- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The utility model discloses a kind of novel fluidized bed, solve the problems such as fluid bed wearing and tearing are comparatively large, solid particle reclaims difficulty, between bed material and wall, rate of heat transfer is relatively low, the gas-solid time of staying is wayward.First housing upper end is connected with the upper end of the second housing and communicates, the first housing bottom sealing; Be communicated with feed pipe in the lower end of the second housing, offer charging aperture at feed pipe upper lateral part, following side is provided with an air inlet, and the inner position near air inlet of feed pipe is provided with gas distribution grid; Also include cyclone separator; The bottom of the first housing and the bottom of feed pipe are provided with bypass line, and mutually dock, and this joint is provided with by-pass valve control.Of the present utility model novel fluidized bed, by the cooperation of feed pipe, air inlet, bypass pipe, a cyclone separator etc., make whole device not only can regulate material flow, reduce wearing and tearing, particle reclaims and also facilitates, and the gas-solid time of staying easily controls.
Description
Technical field
The utility model relates to a kind of reaction unit, particularly a kind of be applied to the fields such as chemical industry, oil, bio-pharmaceuticals can regulate material flow, reduce wearing and tearing, particle reclaims and also facilitates, and the gas-solid time of staying holds manageable novel fluidized bed.
Background technology
Fluidization technology is applied to coal gasification from the twenties in 20th century, be particularly widely used in chemical industry, oil, bio-pharmaceuticals, isolation of purified and the field such as the utilization of resources, boiler combustion at many industrial circles.Current chemical industry, oil, bio-pharmaceuticals with industrial catalytic reactor based on turbulence fluidization technology; Another kind of separation, combustion fluidized bed device many employings circulating fluidized bed technique.Fluidization and device obtain at recent two decades and develop fast, because its distinctive excellent properties is widely used in the industries such as chemical industry, oil, metallurgy, the energy, material, biochemistry, environmental protection, pharmacy, be mainly used in physical operations between gas-solid two-phase and chemical reaction and be operating as among leading more than 30 different industrial process.
The Gas-Solid Circulating Fluidized Bed of current industrial application comprises fast fluidization and dilute phase pneumatic conveying state.Prove that recirculating fluidized bed exists because gas, solid movement velocity are high and the high-speed circulating of a large amount of solid particle according to large quantifier elimination, cause existing in recirculating fluidized bed that wearing and tearing are comparatively large, particle recovery technology requires the higher and problem such as between bed material and wall rate of heat transfer is relatively low.
In turbulent fluidized bed, particle is in turbulence fluidized state.The major advantage of turbulent fluidized bed is that bed mixing is abundant, and between gas-solid, mass-and heat-transfer performance is good, and radial gas-solid diffusion coefficient is high, good particle solid holdup.But in handling process, easily produce gas-solid back-mixing and occur the problems such as the gas-solid time of staying is wayward.
Utility model content
In order to overcome above-mentioned existing technological deficiency, the purpose of this utility model is: provide one to regulate material flow, reduces wearing and tearing, and particle reclaims and also facilitates, and the gas-solid time of staying holds manageable novel fluidized bed.
In order to achieve the above object, the utility model is achieved through the following technical solutions: novel fluidized bed, comprise base plate, column support, columnar first housing and columnar second housing, described column support is vertically fixed on base plate, the bottom of the first housing and the bottom of the second housing are all fixed on column support, first housing upper end is connected with the upper end of the second housing and communicates, the first housing bottom sealing; Feed pipe is communicated with in the lower end of the second described housing, the bottom of this feed pipe is provided with thread ending cover sealing, offer charging aperture at feed pipe upper lateral part, following side is provided with an air inlet, and the inner position near air inlet of feed pipe is provided with gas distribution grid; Also include cyclone separator, this cyclone separator is communicated with by muffler with upper lateral part with the top of the first housing respectively, and cyclone separator is provided with blast pipe; The described bottom of the first housing and the bottom of feed pipe are provided with bypass line, and mutually dock, and this joint is provided with by-pass valve control.
The second described housing following side is provided with secondary air inlet.
Described secondary air inlet is multiple, and the cylinder along the second housing is evenly arranged and the axis of each secondary air inlet is in the same plane, and the circumference that the axis of each secondary air inlet is all less than the second diameter of the housing with a diameter is tangent.
The bypass pipe of the first described housing offers discharge gate, and this discharge gate is combined with corresponding discharge gate valve.
Screwed pipe is adopted to dock between described bypass pipe.
The first described housing upper end and the second housing upper end by Flange joint, and are combined with corresponding bolt and nut.
The beneficial effects of the utility model are: of the present utility model novel fluidized bed; by the cooperation of feed pipe, air inlet, bypass pipe, a cyclone separator etc.; make whole device not only can regulate material flow; reduce wearing and tearing; particle reclaims and also facilitates, and the gas-solid time of staying easily controls.Owing to being provided with secondary air inlet in the second described housing following side, the load of an air inlet can being reduced, under lower intake velocity, realize higher granule organics.Because described secondary air inlet is multiple, cylinder along the second housing is evenly arranged and the axis of each secondary air inlet is in the same plane, the circumference that the axis of each secondary air inlet is all less than the second diameter of the housing with a diameter is tangent, Secondary Air is coordinated with First air spiral up, not only reduce the friction between solid particle and housing, and also can realize higher granule organics at lower wind speed.Bypass pipe due to the first described housing offers discharge gate, and this discharge gate is combined with corresponding discharge gate valve, can be how many by the switch control rule discharge of discharge gate valve, quite convenient.Owing to adopting screwed pipe to dock between described bypass pipe, be not only connected firmly but also good seal performance.
Accompanying drawing explanation
Fig. 1 is novel fluidized bed a kind of structural representation of the present utility model;
Fig. 2 is novel fluidized bed a kind of structural representation overlooked of the present utility model;
Fig. 3 is the cross-sectional schematic at A-A place in Fig. 1;
In figure, 1-base plate, 2-column support, the 3-the first housing, 5-the second housing, 6-thread ending cover, 7-air inlet, 8-gas distribution grid, 9-feed pipe, 10-screwed pipe, 11-by-pass valve control, 12-bypass pipe, 13-charging aperture, 14-secondary air inlet, 15-flange, 16-bolt, 17-nut, 18-packing ring, 19-muffler, 20-cyclone separator, 21-blast pipe, 25-discharge gate, 26-discharge gate valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described, but protection domain of the present utility model is not limited to the following stated.
As shown in Figure 1 to Figure 3, of the present utility model novel fluidized bed, comprise base plate 1, column support 2, columnar first housing 3 and columnar second housing 5, described column support 2 is vertically fixed on base plate 1, the bottom of the first housing 3 and the bottom of the second housing 5 are all fixed on column support 2, first housing 3 upper end is connected with the upper end of the second housing 5 and communicates, the first housing 3 sealed bottom; Feed pipe 9 is communicated with in the lower end of the second described housing 5, the bottom of this feed pipe 9 is provided with thread ending cover 6 and seals, offer charging aperture 13 at feed pipe 9 upper lateral part, following side is provided with an air inlet 7, and the inner position near air inlet 7 of feed pipe 9 is provided with gas distribution grid 8; Also include cyclone separator 20, this cyclone separator 20 is communicated with by muffler 19 with upper lateral part with the top of the first housing 3 respectively, and cyclone separator 20 is provided with blast pipe 21; The described bottom of the first housing 3 and the bottom of feed pipe 9 are provided with bypass line 12, and mutually dock, and this joint is provided with by-pass valve control 11.Of the present utility model novel fluidized bed; by the cooperation of feed pipe 9, air inlet 7, bypass pipe 12, a cyclone separator 20 etc., make whole device not only can regulate material flow, reduce wearing and tearing; particle reclaims and also facilitates, and the gas-solid time of staying easily controls.During use, gas passes into from an air inlet 7, gas uniform distributes by the effect through gas distribution grid 8, material is added from charging aperture 13, material is turbulent flow under a wind action, and the partial particulate taken away by First air gas solid separation reclaiming when through cyclone separator 20, enters the first housing 3, now can control backflow grain amount by bypass pipe 12 and by-pass valve control 11, quite convenient; Simultaneously the gas-solid time of staying also easily controls because of the effect of bypass pipe 12 and by-pass valve control 11.
As preferably, the second described housing 5 following side is provided with secondary air inlet 14, the load of an air inlet 7 can be reduced, higher granule organics is realized under lower intake velocity, when material particles enters the second housing 5, secondary air inlet 14 air intake, can control the time of gas-solid stop by controlling intake, quite convenient.
As preferably, described secondary air inlet 14 is multiple, cylinder along the second housing 5 is evenly arranged and the axis of each secondary air inlet 14 is in the same plane, the axis of each secondary air inlet 14 is all less than the second housing 5 diameter circumference with a diameter is tangent, Secondary Air is coordinated with First air spiral up, not only reduce the friction between solid particle and housing, and also can realize higher granule organics at lower wind speed.
As preferably, the bypass pipe 12 of the first described housing 3 offers discharge gate 25, and this discharge gate 25 is combined with corresponding discharge gate valve 26, can be how many by the switch control rule discharge of discharge gate valve 26, quite convenient.Certainly, after whole reaction completes, thread ending cover 6 waste discharge material can be passed through.
As preferably, adopt screwed pipe 10 to dock, be not only connected firmly but also good seal performance between described bypass pipe 12, dismounting also facilitates.
As preferably, the first described housing 3 upper end is connected by flange 15 with the second housing 5 upper end, and is combined with corresponding bolt 16 and nut 17, has good seal performance, the advantage of easy installation and removal.In order to make mechanical performance more stable, described nut 17 is also combined with corresponding packing ring 18.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. novel fluidized bed, it is characterized in that: comprise base plate (1), column support (2), columnar first housing (3) and columnar second housing (5), described column support (2) is vertically fixed on base plate (1), the bottom of the first housing (3) and the bottom of the second housing (5) are all fixed on column support (2), first housing (3) upper end is connected with the upper end of the second housing (5) and communicates, the first housing (3) sealed bottom; Feed pipe (9) is communicated with in the lower end of described the second housing (5), the bottom of this feed pipe (9) is provided with thread ending cover (6) sealing, charging aperture (13) is offered at feed pipe (9) upper lateral part, following side is provided with an air inlet (7), and the inner position near air inlet (7) of feed pipe (9) is provided with gas distribution grid (8); Also include cyclone separator (20), this cyclone separator (20) is communicated with by muffler (19) with upper lateral part with the top of the first housing (3) respectively, and cyclone separator (20) is provided with blast pipe (21); The bottom of described the first housing (3) and the bottom of feed pipe (9) are provided with bypass line (12), and mutually dock, and this joint is provided with by-pass valve control (11).
2. according to claim 1 novel fluidized bed, it is characterized in that: described the second housing (5) following side is provided with secondary air inlet (14).
3. according to claim 2 novel fluidized bed, it is characterized in that: described secondary air inlet (14) is for multiple, cylinder along the second housing (5) is evenly arranged and the axis of each secondary air inlet (14) is in the same plane, and the axis of each secondary air inlet (14) is all less than the second housing (5) diameter circumference with a diameter is tangent.
4. novel fluidized bed according in claims 1 to 3 described in any one claim, it is characterized in that: the bypass pipe (12) of described the first housing (3) offers discharge gate (25), this discharge gate (25) is combined with corresponding discharge gate valve (26).
5. according to claim 4 novel fluidized bed, it is characterized in that: between described bypass pipe (12), adopt screwed pipe (10) to dock.
6. according to claim 5 novel fluidized bed, it is characterized in that: described the first housing (3) upper end is connected by flange (15) with the second housing (5) upper end, and is combined with corresponding bolt (16) and nut (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420535126.4U CN204051642U (en) | 2014-09-17 | 2014-09-17 | Novel fluidized bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420535126.4U CN204051642U (en) | 2014-09-17 | 2014-09-17 | Novel fluidized bed |
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| Publication Number | Publication Date |
|---|---|
| CN204051642U true CN204051642U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420535126.4U Expired - Fee Related CN204051642U (en) | 2014-09-17 | 2014-09-17 | Novel fluidized bed |
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| CN (1) | CN204051642U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680485A (en) * | 2018-06-22 | 2018-10-19 | 南京林业大学 | A kind of dust media performance test device |
| CN109631026A (en) * | 2018-12-25 | 2019-04-16 | 江苏理文造纸有限公司 | A kind of improved boiler separator |
-
2014
- 2014-09-17 CN CN201420535126.4U patent/CN204051642U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680485A (en) * | 2018-06-22 | 2018-10-19 | 南京林业大学 | A kind of dust media performance test device |
| CN109631026A (en) * | 2018-12-25 | 2019-04-16 | 江苏理文造纸有限公司 | A kind of improved boiler separator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20190917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |