CN1448211A - Gas-solid reactor - Google Patents
Gas-solid reactor Download PDFInfo
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- CN1448211A CN1448211A CN02116287.5A CN02116287A CN1448211A CN 1448211 A CN1448211 A CN 1448211A CN 02116287 A CN02116287 A CN 02116287A CN 1448211 A CN1448211 A CN 1448211A
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Abstract
The gas-solid reactor includes the main parts of main body, solid feeding port, tail gas exhausting port, stirring shaft, stirring blades, truncated cone solid discharger, turned conic gas distributor, screw conveyor, air sealed slide valve and baffle. The main body includes cylindrical upper part and conic lower part; the solid feeding port and the tail gas exhausting port are in the top of the reactor; the stirring shaft with fixed stirring blades is perpendicular to the central axis of the reactor; the inner wall of the reactor has one or several layers of baffles set; the solid discharger is in the lower part of the reactor; the gas distributor with homogeneously distributed holes is below the solid discharger; and the bottom of the reactor is connected to the screw conveyor; and the slide valve is set on the material discharging pipe of the screw conveyor.
Description
Technical field
The present invention relates to have in fixed container the mixer of gyratory agitation device, more particularly, is a kind of reactor that is used for gas-solid reaction.
Background technology
Existing gas solid reactor mainly contains various ways such as fluid bed, moving bed, spouted bed and tank reactor, and wherein fluid bed, moving bed and spouted bed are applicable to that relatively solid particulate distributions is relatively concentrated, and flowability is reaction system preferably.And,, carry out gas-solid reaction if desired as dried Y zeolite filter cake for those distribution of particles inequalities, mobile relatively poor solid reactant, then use tank reactor, adopt intermittent reaction more favourable.In addition, can also prolong the time of staying and give suitable stirring,, make reaction more complete to strengthen the gas-solid contact.But the device efficiency of tank reactor is not high, and the utilization rate of active principle is lower in the gas material, and labor intensity of operating personnel is bigger, causes airborne dust when charging and discharging easily.
CN2376327Y discloses a kind of stirred vessel that has whole baffle plate, and this vessel madial wall is arranged at intervals with and the integrated enamel baffle plate of vessel, and described baffle plate is evenly arranged along body madial wall circumference.
CN2149962Y has disclosed a kind of glass-lined reactor with deflection plate, and the inwall of this retort tank body is provided with two-layer or three layers of deflection plate, and every layer of deflection plate all along the circumferential direction evenly arranged.This retort can improve the uniformity of mixing of materials, and incorporation time is shortened.
In sum, but do not relate to the gas-solid reactor of the closed of continued operation in the prior art as yet.
Summary of the invention
But the object of the present invention is to provide a kind of gas-solid reactor of closed of continued operation, so as to improve mixing of materials the uniformity, shorten incorporation time, and processes such as reinforced, discharging, exhaust emissions are all finished under hermetic condition.
Reactor provided by the present invention mainly comprises with lower member: reactor main body 12, solid feed inlet 3, tail gas outlet 4, shaft 5, stirrer paddle 6, frustum type solid discharger 7, back taper type gas distributor 8, screw rod conveyor 9, sealing gland guiding valve 10 and baffle plate 11; Wherein, the top of reactor main body 12 is round barrel shape, and it is coniform that the bottom is; The reactor top is provided with solid material charge door 3 and tail gas outlet 4; Shaft 5 vertically is provided with and is positioned on the central axis of reactor, and paddle blade 6 is fixed on the shaft; The inwall of reactor is provided with one or more layers baffle plate 11; Frustum type solid discharger 7 is positioned at the bottom of reactor; Back taper type gas distributor 8 is positioned in the middle of the lower surface of frustum type solid discharger 7, evenly perforate on the conical surface of this distributor; The bottom of reactor is connected with screw rod conveyor 9, and sealing gland guiding valve 10 is arranged on the discharge duct of screw rod conveyor.
Compared with prior art, beneficial effect of the present invention is mainly reflected in following aspect:
1, reactor gas-solid two-phase provided by the present invention reverse flow, and accompany by suitable stirring, can improve mass transfer condition, reaction mass is fully used, improve the equipment operating efficiency, reduce labor intensity.Suppose that A component and the B component in the gas material in the solid material are main reactants, at reactor top A concentration of component is maximum and the B concentration of component reaches minimum, and near back taper type gas distributor, it is minimum that the A component concentrations reduces to gradually, and this moment, the B component concentrations then was a peak, therefore, for the entire reaction still, the motive force of reaction is almost equal vertically, and this reaction formation makes reaction more even, and utilization of materials and device space utilization rate are all than higher.Suitable stirring can be broken the bubble that in bed, forms of the reacting gas of back taper type gas distributor ejection, also can prevent those distribution of particles inequalities, the mobile relatively poor arch formation of solid in flow process.
2, back taper type gas distributor of the present invention is 360 ° and provides reacting gas, makes distribution of gas more even in the reactor bottom.
3, the present invention can adjust the time of staying of reaction mass by the slit of adjusting between frustum type discharger and the back taper type gas distributor, thereby reaches the purpose in control reaction time.In addition, the frustum type discharger can make back taper type gas distributor disperse gas better, and gas can radially evenly be distributed, and reduces the dead band of distribution of gas and solid discharging, delays solid landing speed simultaneously, prolongs the time of staying of solid material.
4, in the course of reaction, have a small amount of gas and carry discharging secretly with solid, in addition, pressure drop is bigger because gas moves upward, therefore, have portion gas and walk short circuit downwards and discharge, in order to seal this part gas with solid, the present invention is provided with the sealing gland guiding valve at discharging opening, can seal gas in discharging.So not only reduced loss of material effectively, can also avoid the pollution of the gas material that overflows personnel and environment.
5, the present invention adopts hinged joint or wing formula stirring system, accompanies by stirring and can effectively improve distribution of gas in gas-solid reaction, reduces arch formation, thereby makes reaction more even.
6, the present invention is provided with one or more layers baffle plate in gas-solid reactor.When stirrer paddle rotates, form shearing force, can smash the bubble in the reactor, and prevent the solid material bridge formation, the gas-solid two-phase is fully mixed with baffle plate.
Description of drawings
The structural representation of Fig. 1 reactor provided by the present invention.
Fig. 2 is the A-A view of reactor provided by the present invention.
The specific embodiment
As shown in Figure 1, reactor provided by the present invention mainly comprises with lower member: stirring motor 1, reduction box 2, solid feed inlet 3, tail gas outlet 4, shaft 5, stirrer paddle 6, frustum type solid discharger 7, back taper type gas distributor 8, screw rod conveyor 9, sealing gland guiding valve 10, baffle plate 11 and reactor main body 12.
The main body 12 of gas-solid reactor provided by the present invention is made up of the drum on top and circular cone two parts of bottom, and these two parts can weld together, also can one-step casting moulding in process.The ratio of height to diameter of this reactor is 1: 1～5, preferred 1: 2～4.The base angle of the tapered segment of this reactor is 45～120 °, preferred 60～115 °.
Be provided with solid material charge door 3 and tail gas outlet 4 at the reactor top.Charge door 3 can link to each other with flexible conveyer, quantitatively adds solid material.For preventing airborne dust when reinforced, can feed pipe be set in the charge door downstream, and feed pipe is inserted into solid bed inside.Outlet 4 links to each other with exhaust fan, discharges reacted gas, also can make slightly to be secondary pressure in the reactor, leaks to reduce gas.
The reactor top also can be provided with stirring motor 1 and reduction box 2, in order to drive the shaft 5 in the reactor and to be fixed on stirrer paddle 6 on the shaft.Shaft preferably vertically is provided with and is positioned on the central axis of reactor.Stirrer paddle 6 can be a hinging type, also can be wing formula.The diameter of blade and reactor internal diameter ratio are 0.400～0.625; The angle of hinged joint and horizontal direction is 5～45 °; The rotating speed of paddle is preferably adjustable continuously.
Inwall at reactor is provided with one or more layers baffle plate 11, and is preferred two-layer or three layers; The setting of baffle plate 11 should not influence the rotation of stirrer paddle.Every layer of baffle plate comprises 2～8 baffle plate sheets, preferred 4～6, and each baffle plate sheet is along the circumferential direction evenly arranged on same horizontal plane.
Be provided with frustum type solid discharger 7 in the bottom of reactor.Reactor column part inboard can be welded or be hinged in the upper surface of this solid discharger, and the external diameter of upper surface is identical with the internal diameter of reactor column part; The faying face of the lower surface of this solid discharger and the column part of reactor and tapered segment is on same horizontal plane, and the diameter of lower surface is 0.05～0.80 with the ratio of reactor internal diameter; The round platform base angle of this frustum type solid discharger is 30～60 °.
Back taper type gas distributor 8 is positioned in the middle of the lower surface of frustum type solid discharger 7, and the lower surface diameter of this distributor and the ratio of reactor internal diameter are 0.05～0.20, and vertex of a cone angle is 30～120 °; Evenly perforate on the conical surface of this distributor, perforated area is 1: 2～10 with the ratio of conical surface area; This distributor can be 360 ° of distributing gas in the reactor bottom.The vertical height of this distributor can be within the specific limits along the central shaft of reactor to regulating, thereby change the mass flowrate of solid material behind gap between back taper type gas distributor and the frustum type solid discharger, the conditioned reaction.
Bottom at this reactor is connected with screw rod conveyor 9, and sealing gland guiding valve 10 is installed on the discharge duct of screw rod conveyor.The rotational valve core of sealing gland guiding valve 10 generally is made up of 8～12 blades, and the diameter of spool and the diameter of discharge duct ratio are 1.0～1.5, and the rotation of spool is driven by motor, and its rotating speed can determine according to load.
The workflow of gas-solid reactor provided by the present invention is as follows: as shown in Figure 1, solid material enters in this reactor by charge door 3, and gas material evenly disperses in the bottom of this reactor through back taper type gas distributor 8.Above-mentioned solid material and gas material mix in reactor mutually, and carry out needed reaction.Stirring motor drives shaft and stirrer paddle rotates in reactor, to promote the abundant mixing of above-mentioned two strands of materials.Reacted material is further descending after by the gap between back taper type gas distributor and the frustum type solid discharger, and finally enters in the screw rod conveyor 9.External motor drives the screw rod conveyor internal screw and rotates, and reacted solid material is delivered to discharge duct through screw rod conveyor, and is drawn off by discharge duct.Sealing gland guiding valve 10 on the discharge duct makes gas material can not drawn off by discharge duct with solid material.
The following examples will give further instruction to the present invention, but therefore the present invention is not subjected to any restriction.
Embodiment 1
Present embodiment explanation: adopt reactor provided by the present invention to carry out gas-solid reaction, can obtain comparatively desirable reaction efficiency.
Make a gas-solid reactor according to description of the invention.The drum part of reactor highly is 1.0m, and diameter is 0.3m; The height of drum part is 1.0m, and the height of tapered segment is 0.15m; 60 ° of back taper type gas distributor drift angles, end face diameter 0.03m, percent opening are 20%; 45 ° at frustum type solid discharger base angle, lower surface diameter 0.22m; Paddle adopts individual layer aerofoil profile two leaf blades, and blade length is 0.08m, and rotating speed is controlled at 5～10rpm during operation.The lower surface of the end face of back taper type gas distributor and frustum type solid discharger at grade during installation; Adopt single screw rod conveyor, outlet sealing gland guiding valve is 8 leaf guiding valves.
The solid material that participates in reaction is dried Y zeolite, and gas material is dry air and SiCl
4Mixture, wherein, dry air is as carrier, SiCl
4Dosage for waiting quantitative response.Top from reactor during reaction is reinforced with the speed of per minute 2kg, and gas sprays into from the bottom, gets tail gas analysis and fails to detect SiCl
4, product is analyzed, meet technological requirement fully.Through calculating, the reaction efficiency of this reactor is about 1700kg/hrm
3, the mean residence time of material 14 minutes.
Comparative Examples 1
This Comparative Examples explanation: the reaction efficiency when adopting existing gas-solid reactor to carry out the described gas-solid reaction of embodiment 1.
A commercial plant, its essential structure are drum type, and horizontal positioned is equipped with axle in the middle of the drum, and the running that drives axle by motor can make the reactor rotation.Drum diameter 1.5m, length 2.0m, charge 200kg reacts and is intermittently operated.Feed equivalent SiCl
4Behind the gas, the discharging after 2 hours of revolving reaction still.
By analyzing, product meets technological requirement, and fails to detect SiCl in gas reactor
4By calculating, the reaction efficiency of this reactor is 56.6kg/hrm
3
Claims (11)
1, a kind of gas-solid reactor is characterized in that this reactor mainly comprises with lower member: reactor main body (12), solid feed inlet (3), tail gas outlet (4), shaft (5), stirrer paddle (6), frustum type solid discharger (7), back taper type gas distributor (8), screw rod conveyor (9), sealing gland guiding valve (10) and baffle plate (11); Wherein, the top of reactor main body (12) is round barrel shape, and it is coniform that the bottom is; The reactor top is provided with solid material charge door (3) and tail gas outlet (4); Shaft (5) vertically is provided with and is positioned on the central axis of reactor, and stirrer paddle (6) is fixed on the shaft; The inwall of reactor is provided with one or more layers baffle plate (11); Frustum type solid discharger (7) is positioned at the bottom of reactor; Back taper type gas distributor (8) is positioned in the middle of the lower surface of frustum type solid discharger (7), evenly perforate on the conical surface of this distributor; The bottom of reactor is connected with screw rod conveyor (9), and sealing gland guiding valve (10) is arranged on the discharge duct of screw rod conveyor.
2, according to the reactor of claim 1, the ratio of height to diameter that it is characterized in that this reactor is 1: 1～5, and the base angle of tapered segment is 45～120 °.
3, according to the reactor of claim 2, the ratio of height to diameter that it is characterized in that this reactor is 1: 2～4, and the base angle of tapered segment is 60～115 °.
4,, it is characterized in that the downstream of described solid feed inlet (3) is provided with feed pipe, and feed pipe is inserted into solid bed inside according to the reactor of claim 1.
5,, it is characterized in that this reactor top is provided with stirring motor (1) and the reduction box (2) that is connected with shaft (5) according to the reactor of claim 1.
6,, it is characterized in that described stirrer paddle (6) is hinging type or wing formula according to the reactor of claim 1; The ratio of the diameter of blade and reactor internal diameter is 0.400～0.625.
7, according to the reactor of claim 6, when it is characterized in that described blade (6) adopts hinging type, the angle of hinged joint and horizontal direction is 5～45 °.
8,, it is characterized in that the inwall of reactor is provided with two-layer or three layers of baffle plate (11) according to the reactor of claim 1; Every layer of baffle plate comprises 2～8 baffle plate sheets, and each baffle plate sheet is along the circumferential direction evenly arranged on same horizontal plane.
9, according to the reactor of claim 1, it is characterized in that reactor column part inboard can be welded or be hinged in the upper surface of described frustum type solid discharger (7), the external diameter of upper surface is identical with the internal diameter of reactor column part; The column part of its lower surface and reactor and the faying face of tapered segment are on same horizontal plane, and the diameter of lower surface is 0.05～0.80 with the ratio of reactor internal diameter; The round platform base angle of this frustum type solid discharger is 30～60 °.
10, according to the reactor of claim 1, it is characterized in that the lower surface diameter of described back taper type gas distributor (8) and the ratio of reactor internal diameter are 0.05～0.20, vertex of a cone angle is 30～120 °; The perforated area of this distributor is 1: 2～10 with the ratio of conical surface area.
11, according to the reactor of claim 1, it is characterized in that the rotational valve core of described sealing gland guiding valve (10) generally is made up of 8～12 blades, the diameter of spool and the diameter of discharge duct ratio are 1.0～1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021162875A CN1181907C (en) | 2002-03-29 | 2002-03-29 | Gas-solid reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021162875A CN1181907C (en) | 2002-03-29 | 2002-03-29 | Gas-solid reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1448211A true CN1448211A (en) | 2003-10-15 |
| CN1181907C CN1181907C (en) | 2004-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021162875A Expired - Lifetime CN1181907C (en) | 2002-03-29 | 2002-03-29 | Gas-solid reactor |
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| Country | Link |
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| CN (1) | CN1181907C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344361C (en) * | 2004-10-28 | 2007-10-24 | 中国石油化工股份有限公司 | Continuous high temperature gas solid reactor |
| CN102188934A (en) * | 2011-04-15 | 2011-09-21 | 严大春 | High temperature high pressure sterilization hydrolysis curing reaction pot |
| CN101884897B (en) * | 2004-03-31 | 2012-05-30 | 中国石油化工股份有限公司 | Method for reacting gas and solid particles |
| CN103464083A (en) * | 2013-01-31 | 2013-12-25 | 宜昌三峡中润纳米材料有限公司 | Reaction vessel for producing nanometer powder |
| CN107487752A (en) * | 2017-06-26 | 2017-12-19 | 安徽省黄淮兽药有限公司 | A kind of disinfectant for animals dispensing apparatus |
| CN111054251A (en) * | 2019-12-04 | 2020-04-24 | 上海交通大学 | PIV solid-state particle generator |
| CN112827650A (en) * | 2020-12-21 | 2021-05-25 | 长沙稻香农业科技有限公司 | High-purification-rate biomass pyrolysis gas electrical tar precipitator |
| CN113546597A (en) * | 2021-06-20 | 2021-10-26 | 国家能源集团宁夏煤业有限责任公司 | Vertical stirred reactor for olefin polymerization and process for producing polyolefin |
-
2002
- 2002-03-29 CN CNB021162875A patent/CN1181907C/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101884897B (en) * | 2004-03-31 | 2012-05-30 | 中国石油化工股份有限公司 | Method for reacting gas and solid particles |
| CN100344361C (en) * | 2004-10-28 | 2007-10-24 | 中国石油化工股份有限公司 | Continuous high temperature gas solid reactor |
| CN102188934A (en) * | 2011-04-15 | 2011-09-21 | 严大春 | High temperature high pressure sterilization hydrolysis curing reaction pot |
| CN102188934B (en) * | 2011-04-15 | 2013-07-24 | 严大春 | High temperature high pressure sterilization hydrolysis curing reaction pot |
| CN103464083A (en) * | 2013-01-31 | 2013-12-25 | 宜昌三峡中润纳米材料有限公司 | Reaction vessel for producing nanometer powder |
| CN103464083B (en) * | 2013-01-31 | 2016-01-06 | 宜昌三峡中润纳米材料有限公司 | A kind of reactor for the production of nano-powder |
| CN107487752A (en) * | 2017-06-26 | 2017-12-19 | 安徽省黄淮兽药有限公司 | A kind of disinfectant for animals dispensing apparatus |
| CN107487752B (en) * | 2017-06-26 | 2019-07-02 | 安徽省凯强生物科技有限公司 | A kind of disinfectant for animals dispensing apparatus |
| CN111054251A (en) * | 2019-12-04 | 2020-04-24 | 上海交通大学 | PIV solid-state particle generator |
| CN112827650A (en) * | 2020-12-21 | 2021-05-25 | 长沙稻香农业科技有限公司 | High-purification-rate biomass pyrolysis gas electrical tar precipitator |
| CN113546597A (en) * | 2021-06-20 | 2021-10-26 | 国家能源集团宁夏煤业有限责任公司 | Vertical stirred reactor for olefin polymerization and process for producing polyolefin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1181907C (en) | 2004-12-29 |
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