CN101152932A - Feed device of carbonaceous solid powder with a plurality of discharge doors and feed method thereof - Google Patents
Feed device of carbonaceous solid powder with a plurality of discharge doors and feed method thereof Download PDFInfo
- Publication number
- CN101152932A CN101152932A CNA2006101165844A CN200610116584A CN101152932A CN 101152932 A CN101152932 A CN 101152932A CN A2006101165844 A CNA2006101165844 A CN A2006101165844A CN 200610116584 A CN200610116584 A CN 200610116584A CN 101152932 A CN101152932 A CN 101152932A
- Authority
- CN
- China
- Prior art keywords
- feeding device
- cone
- carbonaceous solids
- gas
- solids powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The present invention relates to a carbon-included solid powder feeding device with a plurality of material output mouths and a feeding method using the feeding device. The present invention comprises an upper feeder machine main body and a lower material output device. The material output device comprises at least three material output machines and guiders which are same in geometry and size and are downward cone-shaped. The material output machine is fixed and connected with the guider by a connecting plate. A material inputting mouth is arranged on the top end of the material output mouth; the material output mouth is arranged at the bottom; all the material inputting mouths are in the same level and two neighboring material inputting mouths are tangent on the whole. A diameter of the round at the bottom of the guider is basically equal to the diameter of an inner round which is formed by the tangency of the material inputting mouths of all material output machines. The guider is placed on the inner round with the cone needle upward. The material output device also comprises an air entering device which is provided an air entrance. With the present invention, the mixture of the carbon-included solid powder and the air can be exhausted from a plurality of output mouths with stable and controllable mass flow rate and relatively high transmitting thickness. The reactor is evenly fed through a plurality of nozzles.
Description
Technical field
The present invention relates to a kind of method that has the carbonaceous solids powder feeding device of a plurality of discharging openings and adopt this feeding device feed, can supply with the carbonaceous solids powder to reactor with the mass flowrate of stable and controllable and high transportation concentration.Specifically, the present invention relates to a kind of make carbonaceous solids powder (particularly Gan Zao coal dust) from device, utilize with a plurality of discharging openings pneumatic conveying method equably, stably, high concentration ground discharges, and by device and the method for feeding of a plurality of nozzles to the reactor feed.
Background technology
Raw material is in reactor (for example gasification furnace and blast furnace etc.) feeder process, if the raw material mass flowrate instability that adds, important operating parameter such as carbon ratio etc. are also just unstable, the result can cause local overheating in the reactor, influence reaction stable carries out the stable operation with reactor, and the localized hyperthermia that produces also might damage reactor linings and nozzle.For the reactor that adopts a plurality of nozzle material-feedings, for preventing to produce the problems referred to above, except that require feed flow rates stable, the raw material flow rate that also requires to enter each nozzle simultaneously must be basic identical, this just requires the raw material in the feeding device to be become the multiply material to enter reactor by uniform distribution.Disclosed a kind of feeding device patent CN1032746A comprises " at least two geometric configuratioies are identical; have the container of the downward cone-shaped wall of awl point ", " position of described container is adjacent one another are and crossing; form between the total plane of the void between the two in joining; the bottom of this intersection has on the specific range of horizontal surface in the void perpendicular to this two containers discharge orifice ", and " the control compound is by the flow rate of described container egress hole separately; its method is the flow rate of control via first gas of the wall injection of container bottom ", therefore, two these feeding device technical pattern complexity with upper outlet, the processing and manufacturing difficulty, while method of controlling operation thereof complexity, flow adjustment range is little.Publication CN1670137A belongs to from the technology of charging (feeding) equipment top pulverized coal conveying, is provided with coal chute in charging (feeding) equipment inside, and feeding fluidized wind in slave unit bottom could be carried after the aerated materials distribution makes the coal dust fluidisation; The fluidized state that the deficiency of this technology is coal dust in the equipment to stable carry most important, to the performance of aerated materials comprise require in service life etc. also very high; If the not good meeting of fluidizing performance causes the fluctuation of fine coal flow rate, instability is when taking place to stop up, because the part delivery duct at device interior, need spend more time and efforts during mediation.Publication CN1064314A discloses a kind of transport method for concentrate phase of pulverized coal injection, adopts single tube to be delivered to coal dust to be dispensed to many arms behind the lotus formula distributing box to send into blast furnace again; Yet lotus formula distributing box is only applicable to the not high situation of raw material transportation concentration, conveying solid-gas ratio when the streaming tank tank pressure is 0.3～0.7Mpa only is 50～80kg/kg, if transportation concentration continues to improve the obstruction that just easily causes lotus formula distributing box, normal operation is produced in influence.
Summary of the invention
Technical matters to be solved by this invention provides a kind of feeding device with a plurality of discharging openings and to the method for reactor feed, this device can make the carbonaceous solids powder equably, mass flowrate stably discharges from a plurality of outlets, pass through a plurality of nozzles to the reactor feed, to overcome the above-mentioned defective that prior art exists with high transportation concentration.
The technical scheme of technical solution problem of the present invention is as follows:
A kind of carbonaceous solids powder feeding device with a plurality of discharging openings comprises two parts up and down; Top is the loader main body, and its top is provided with at least one material receiving port that is used to accept carbonaceous solids powder and gas mixture, an admission port and an exhausr port, and its bottom is provided with a discharge gate of discharging described compound; Described bottom is a drawing mechanism, described drawing mechanism upper end is provided with inlet point, the lower end is provided with discharging opening, and the lower end of described top loader main body and bottom drawing mechanism upper end are mutually permanently connected the discharge gate of described loader main body and the feeding inlet of drawing mechanism; It is characterized in that, described drawing mechanism comprises at least three geometric configuratioies and circular cone tubular discharger measure-alike, that the awl point is downward and is arranged on the cone guides that awl point of feeding device in-to-in makes progress, passes through the connecting panel captive joint between described a plurality of dischargers and the guides;
Described discharger top is provided with a circular inlet point, and the bottom is provided with a circular discharging opening, and all inlet points are all on same horizontal surface, and adjacent two inlet points are tangent substantially;
The tangent formed interior circle diameter of the bottom surface circular diameter of described cone guides and the inlet point of all dischargers is basic identical, and the awl point up is placed on the described interior circle;
Also comprise the gas inlet device that is arranged on the feeding device bottom, which is provided with and fluidized carrier gas can be input to the import of feeding device gas inside.
Further, described loader main body is made of cylindrical tube shape container and the downward circular cone cylindrical container of awl point that is connected its lower end, the outlet of boring simple lower end is for discharging the discharge gate of described compound, and described gas inlet device is fixedly installed on the wall of circular cone cylindrical container of loader main body lower end.Described gas inlet device is the catheter type structure ringwise, and it comprises: at least one air inlet ring and several air induction conduit; Described air inlet ring is provided with at least one gas feed; Described air induction conduit one end be connected with the air inlet ring and communicate, other end end is fixed with the air inlet head that aerated materials is made, described air inlet head is embedded on the wall of the circular cone cylindrical container of loader main body lower end, and described air inlet head is rectangular distribution at least one horizontal circumference of circular cone cylindrical container.Described gas inlet device also can be the jacket type pyramidal structure, and it is embedded on the wall of the circular cone cylindrical container of loader main body lower end, comprises inner cone and outer cone; The clearance space that forms between described inner cone and the outer cone, described inner cone are the pory frustum of a cone, and the inside face of the inside face of inner cone and its embedded bonded assembly circular cone cylindrical container is on the same conical surface, and described admission port is arranged on the outer cone.
Further also can be equipped with gas inlet device on each discharger wall, gas inlet device catheter type structure ringwise also can be the jacket type pyramidal structure.
The invention also discloses a kind of method that adopts above-mentioned feeding device to give the reactor feed, comprise the steps:
(1). by the exhausr port exhaust at loader main body top, carbonaceous solids powder and gas mixture are introduced in the loader main body of top by the material receiving port of loader main body;
(2). the admission port input top carrier gas by loader main body top, make pressure in the loader main body be higher than pressure in the reactor, the preferred pressure difference is 0.2～1MPa; Corresponding to different reactor operating pressures, the operating pressure scope of feeding device is 0.2～5Mpa;
(3). inject the bottom carrier gas by the gas inlet device that is arranged on the feeding device bottom with selected specific gas flow rate, build bridge the stability that increases carbonaceous solids powder flowing power and flow for to destroy an amount of inflation of carbonaceous solids powder; Selected specific gas flow rate carrier gas inject the place the superficial velocity at place, horizontal section less than the final settlement speed of carbonaceous solids powder particle in feeding device;
(4). under pressure differential effect between feeding device and the reactor, the carbonaceous solids powder is carried from a plurality of discharging openings by carrier gas and evenly discharges, and sends reactor to by a plurality of nozzles.
(5). the carbonaceous solids powder quality flow rate that enters reactor serves as main the adjusting with the pressure reduction between feeding device and the reactor;
(6). keep carbonaceous solids powder storage in the feeding device to be at least 30%～80% of maximum carbonaceous solids powder qualities that feeding device can hold.
By above disclosed technical scheme as can be known, feeding device of the present invention is by being provided with at least three identical dischargers below the loader main body, carbonaceous solids powder and gas mixture in the feeding device can be discharged from a plurality of outlets equably with stabilized quality flow rate and higher transportation concentration, by a plurality of nozzles uniformly to the reactor feed, simultaneously, the guides that is arranged in the loader can be eliminated because the dead band that the obstruction carbonaceous solids powder that the existence of justifying in the discharger forms flows downward; Being equipped with in addition at the gas inlet device of feeding device bottom builds bridge the stability that increases carbonaceous solids powder flowing power and flow can for an amount of inflation of carbonaceous solids powder to destroy.
Description of drawings
Fig. 1 is the cross-sectional view of facing of feeding device of the present invention;
Fig. 2 is the A-A section structure scheme drawing of feeding device shown in Figure 1;
Fig. 3 is one embodiment of the invention scheme drawings.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described in detail.
As shown in Figure 1 and Figure 2, the present invention has the carbonaceous solids powder feeding device of a plurality of discharging openings, comprises two parts up and down; Top is loader main body 1, and its top is provided with at least one material receiving port that is used to accept carbonaceous solids powder and gas mixture 101, an admission port 102 and an exhausr port 103, and its bottom is provided with a discharge gate 104 of discharging described compound; Described bottom is a drawing mechanism 2, described drawing mechanism upper end is provided with inlet point, the lower end is provided with discharging opening, and the lower end of described top loader main body 1 and the upper end of bottom drawing mechanism 2 are mutually permanently connected, the discharge gate 104 of described loader main body 1 and the feeding inlet of drawing mechanism 2; Described drawing mechanism 2 comprises four geometric configuratioies and circular cone tubular discharger 201 measure-alike, that the awl point is downward and is arranged on the cone guides 202 that awl point of feeding device in-to-in makes progress, passes through connecting panel 203 captive joints between described a plurality of dischargers 201, the guides 202;
Described discharger 201 tops are provided with a circular inlet point 204, and the bottom is provided with a circular discharging opening 205, and all inlet points 204 are all on same horizontal surface, and adjacent two inlet points 204 are tangent substantially; 206 and cylindricals 209 of circle in one of the inlet point 204 tangent formation of four dischargers, the diameter of described cylindrical 209 is identical with the internal diameter of discharge gate 104.
The diameter of the bottom surface circular diameter of described cone guides 202 and the inlet point of all dischargers 204 tangent formed interior circles 206 is basic identical, and the awl point up is placed on the described interior circle 206;
Also comprise the gas inlet device 3 that is arranged on the feeding device bottom, which is provided with and fluidized carrier gas 12 can be input to feeding device gas inside import 301.
Described loader main body 1 is made of cylindrical tube shape container 105 and the downward circular cone cylindrical container 106 of awl point that is connected its lower end, described circular cone letter shape container 106 lower ends are the discharge gate 104 of outlet loader main body 1, and described gas inlet device 3 is fixedly installed on the circular cone wall of circular cone cylindrical container 106 of loader main body 1 lower end.
Described gas inlet device 3 is the catheter type structure ringwise, it can be arranged on the wall of circular cone cylindrical container 106 of loader main body 1 lower end, also can be arranged on the discharger wall, in the time of on being arranged on discharger, require on each discharger, to be equipped with gas inlet device.Described ring duct formula gas inlet device 3 comprises: at least one air inlet ring 302 and several air induction conduit 303; Described air inlet ring 302 is for being arranged on the ring-like tubular structure of coniform wall periphery, and described air inlet ring 302 is provided with at least one gas feed 301; Described air induction conduit 303 1 ends be connected with air inlet ring 302 and communicate, other end end is fixed with air inlet that aerated materials makes 304, described air inlet 304 is embedded on the wall of the circular cone cylindrical container 106 of loader main body 1 lower end, described air inlet 304 rectangular distribution at least one horizontal circumference of circular cone cylindrical container 106.Fig. 1 only illustrates that ring duct formula gas inlet device is arranged on the situation on the circular cone wall of circular cone letter shape container 106, and relevant set-up mode on the discharger wall is similar therewith.
Described gas inlet device also can be the jacket type pyramidal structure, it shown in Fig. 1 the jacket type conical gas inlet device 3 ' that is arranged on the discharger 201, in the time of on being arranged on discharger, requirement is equipped with gas inlet device on each discharger 201, described gas inlet device 3 ' is embedded on the circular cone tubular wall of discharger, and it comprises inner cone 302 ' and outer cone 303 '; The clearance space 304 ' that forms between described inner cone 302 ' and the outer cone 303 ', described inner cone 302 ' is the pory frustum of a cone, the inside face of the inside face of inner cone 302 ' and its embedded bonded assembly discharger 201 is on the same conical surface, and described admission port 301 ' is arranged on the outer cone 303 '.The bottom carrier gas can be passed through admission port 301, enter clearance space 304 ' after, again through by the aerated materials manufacturing or the inner cone 302 ' that forms that is connected penetrate among the compound.Fig. 1 only illustrates that jacket type conical gas inlet device is embedded the situation on the circular cone tubular wall of discharger, and relevant set-up mode at circular cone letter shape container 106 is similar therewith.Fig. 1 is the feeding device topology view of the gas inlet device of two kinds of versions of fusion, during actual the use, can select one to get final product as required.
Further, the cone angle of the cone angle of described circular cone letter shape transition container 106, the cone angle of discharger 201 and guides 202 is identical, is 20～60 °, and the selection of cone angle is relevant with the friction angle of its wall that contacts with the carbonaceous solids powder.The central axis 107 of described feeding device is parallel to each other with the central axis 207 that is positioned at the discharger 201 of feeding device bottom, and the central axis 208 of described guides 201 and the central axis of feeding device 107 overlap; The area summation of all inlet points on the described discharger inlet point 204 place horizontal surfaces accounts for 60～90% of this horizontal surface area.
The invention also discloses a kind of method that adopts above-mentioned feeding device to give the reactor feed, make carbonaceous solids powder in this feeding device and gas mixture with the mass flowrate of high transportation concentration and stable and controllable by nozzle to the reactor feed.As shown in Figure 3, this Feed system is by feeding device, reactor 4, and device for pressure measurement 5,6, pressure regulating system, flow regulator 7, solid mass flow meter 8, nozzle 9, level-sensing device 10 and attendant equipment and instrument are formed.But described carbonaceous solids powder is the powder material of mean grain size in 30 μ m～200 mu m ranges that strength is carried, for example coal dust, petroleum coke powder, living beings powder, solid waste powder etc.; Carrying the gas medium of usefulness can be nitrogen, carbon dioxide, water vapour, synthesis gas, hydrocarbon gas, or any mixture of these gases.
The present invention adopts above-mentioned feeding device to give the method for reactor feed, comprises the steps:
(1). by exhausr port 103 exhausts at loader main body 1 top, carbonaceous solids powder and gas mixture are introduced in the top loader main body 1 by the material receiving port 101 of loader main body by inlet point continuously or off and on;
(2). by the admission port 102 input top carrier gas 11 at loader main body top, make pressure in the loader main body be higher than pressure in the reactor, the preferred pressure difference is 0.2～1MPa: corresponding different reactor pressures, and the operating pressure scope of feeding device is 0.2～5Mpa;
(3). inject bottom carrier gas 12 by the gas inlet device 3 that is arranged on the feeding device bottom with selected specific gas flow rate, build bridge the stability that increases carbonaceous solids powder flowing power and flow for to destroy an amount of inflation of carbonaceous solids powder; Selected specific gas flow rate carrier gas inject the place the superficial velocity at place, horizontal section less than the final settlement speed of carbonaceous solids powder particle in feeding device;
(4). under pressure differential effect between feeding device and the reactor 4, the carbonaceous solids powder is carried from a plurality of discharging openings 205 by carrier gas and evenly discharges, and sends reactor to by a plurality of nozzles 9;
(5). carbonaceous solids powder quality flow rate is main the adjusting by the pressure reduction between feeding device and the reactor, and the carrier gas flow rate that enters flow regulator 15 by adjusting is finely tuned carbonaceous solids powder quality flow rate simultaneously.
(6). keep carbonaceous solids powder storage in the feeding device to be at least 30%～80% of maximum carbonaceous solids powder qualities that feeding device can hold.The carbonaceous solids powder storage of using level indicator 10 to monitor in the feeding device is not less than the minimum value of permission to guarantee the carbonaceous solids powder storage in the feeding device; When carbonaceous solids powder storage when a certain amount of, feeding device can be accepted the carbonaceous solids powder by material receiving port 101 continuously or off and on.Level indicator can be the technical well-known level indicator table that is applicable to powder material.
The gas that injects in feeding device mainly contains two-way, top carrier gas 11 and bottom carrier gas 12.The main effect of top carrier gas 11 is that additional carbonaceous solids powder and gas mixture are discharged and the space of generation, is setting value with the pressure reduction of keeping feeding device and reactor 4.If the flow rate of the bottom carrier gas 12 of injecting from the bottom of feeding device is enough replenished carbonaceous solids powder and gas mixture and discharged the space that produces, then the flow rate of top carrier gas 11 is zero.Usually, the flow rate of bottom carrier gas 12 is to be not enough to replenish that carbonaceous solids powder and gas discharges and the space that produces, this is because need make the flow rate of gas 12 in allowed limits as far as possible little usually, high as far as possible to guarantee being carried the carbonaceous solids powder transportation concentration that enters reactor by gas, the content of unreactable gas in the minimizing product gas.
Under the pressure differential effect, the carbonaceous solids powder is carried from four discharging openings of feeding device by carrier gas and evenly discharges, enter four road delivery ducts 13, stably flow through successively fine coal shutoff valve 14, flow regulator 7 and mass flow rate of solid meter 8 backs of the carbonaceous solids powder of certain mass flow rate enter reactor 7 by the nozzle 9 that is positioned at delivery duct 13 terminals in the pipeline; At coal dust, its transportation concentration scope of leaving feeding device is at 400～700kg/m
3
Mainly by the control of the pressure reduction between feeding device and the reactor 4, pressure differential range is 0.2～1MPa to the mass flowrate of carbonaceous solids powder, and corresponding to the different operating pressure of reactor 4, the operating pressure scope of feeding device is 0.2～5MPa; Simultaneously, can also finely tune the mass flowrate of carbonaceous solids powder by the carrier gas flow rate that adjusting enters flow regulator 7.Adjusting carrier gas 15 flow rates that enter flow regulator 7 by adjusting can be regulated carbonaceous solids powder flow velocity and carbonaceous solids powder transportation concentration, to realize the fine setting of carbonaceous solids powder quality flow rate, improve the control accuracy of carbonaceous solids powder quality flow rate; Regulate the carbonaceous solids powder that carrier gas 15 can agglomerated and disperse, significantly improve the homogeneity of carbonaceous solids powder transportation concentration in the pipeline, increase the stability that carbonaceous solids powder and gas mixture flow in pipeline 13; Can make the resistance of four transfer lines 13 basic identical, thereby can more easily make the carbonaceous solids powder quality flow rate basically identical in each bar pipeline, help the stable of reactor and long period operation.
Claims (12)
1. the carbonaceous solids powder feeding device with a plurality of discharging openings comprises two parts up and down; Top is loader main body (1), its top is provided with at least one connect material (101) of being used to accept carbonaceous solids powder and gas mixture, an air inlet (102) and an exhaust (103), and its bottom is provided with a discharge gate (104) of discharging described compound; Described bottom is drawing mechanism (2), described drawing mechanism upper end is provided with inlet point, the lower end is provided with discharging opening, the upper end of the lower end of described top loader main body (1) and bottom drawing mechanism (2) is mutually permanently connected, the discharge (104) of described loader main body (1) and the feeding inlet of drawing mechanism (2); It is characterized in that:
Described drawing mechanism (2) comprises at least three geometric configuratioies and circular cone tubular discharger (201) measure-alike, that the awl point is downward and is arranged on the cone guides (202) that awl point of feeding device in-to-in makes progress, passes through connecting panel (203) captive joint between described a plurality of dischargers (201) and the guides (202);
Described discharger (201) top is provided with a circular charging (204), and the bottom is provided with a circular discharging opening (205), and all chargings (204) are all on same horizontal surface, and adjacent two chargings (204) are tangent substantially;
The diameter of the tangent formed interior circle of the charging (204) of the bottom surface circular diameter of described cone guides (202) and all dischargers (206) is basic identical, and the awl point up is placed on the described interior circle (206);
Also comprise the gas inlet device (3) that is arranged on the feeding device bottom, which is provided with and fluidized carrier gas can be input to the feeding device gas inside and enter (301).
2. carbonaceous solids powder feeding device according to claim 1, it is characterized in that, described loader main body (1) is made of cylindrical tube shape container (105) and the downward circular cone cylindrical container (106) of awl point that is connected its lower end, described circular cone cylindrical container (106) lower end is fixedly installed on the circular cone wall of circular cone cylindrical container (106) of loader main body (1) lower end for the discharge (104) of outlet loader main body (1), described gas inlet device (3).
3. carbonaceous solids powder feeding device according to claim 2 is characterized in that described gas inlet device (3) is the catheter type structure ringwise, and it comprises: at least one air inlet ring (302) and several air induction conduit (303); Described air inlet ring (302) is provided with at least one gas feed (301); Described air induction conduit (303) one ends be connected with air inlet ring (302) and communicate, other end end is fixed with the air inlet head (304) that aerated materials is made, described air inlet head (304) is embedded on the wall of the circular cone cylindrical container (106) of loader main body (1) lower end, and described air inlet head (304) is rectangular distribution at least one horizontal circumference of circular cone cylindrical container (106).
4. carbonaceous solids powder feeding device according to claim 1 is characterized in that, is equipped with gas inlet device on each discharger wall, and described gas inlet device is the catheter type structure ringwise, and it comprises: at least one air inlet ring and several air induction conduit; Described air inlet ring is provided with at least one gas feed; Described air induction conduit one end be connected with the air inlet ring and communicate, other end end is fixed with the air inlet head that aerated materials is made, described air inlet head is embedded on the discharger wall, described air inlet head is rectangular distribution at least one horizontal circumference of discharger.
5. carbonaceous solids powder feeding device according to claim 1, it is characterized in that, be equipped with gas inlet device (3 ') on each discharger (201) wall, described gas inlet device (3 ') is embedded on the circular cone tubular wall of discharger, it is centre shell type pyramidal structure, comprises inner cone (302 ') and outer cone (303 '); The clearance space (304 ') that forms between described inner cone (302 ') and the outer cone (303 '), described inner cone (302 ') is the pory frustum of a cone, the inside face of the inside face of inner cone (302 ') and its embedded bonded assembly discharger (201) is on the same conical surface, and described admission port (301 ') is arranged on the outer cone.
6. carbonaceous solids powder feeding device according to claim 2 is characterized in that described gas inlet device is the jacket type pyramidal structure, and it is embedded on the circular cone tubular wall of transition container, comprises inner cone and outer cone; The clearance space that forms between described inner cone and the outer cone, described inner cone are the pory frustum of a cone, and the inside face of the inside face of inner cone and its embedded bonded assembly transition container is on the same conical surface, and described admission port is arranged on the outer cone.
7. carbonaceous solids powder feeding device according to claim 2 is characterized in that the cone angle of described circular cone tubular transition container is identical with the cone angle of discharger, is 20～60 °.
8. carbonaceous solids powder feeding device according to claim 1 is characterized in that, the central axis of described feeding device is parallel to each other with the central axis that is positioned at the discharger of feeding device bottom; The area summation of all inlet points on the horizontal surface of described discharger inlet point place accounts for 60～90% of this horizontal surface area.
9. carbonaceous solids powder feeding device according to claim 1 is characterized in that the cone angle of described guides is identical with the cone angle of discharger, is 20～60 °, the central axis of described guides and the central axes of feeding device.
10. a method that adopts each described feeding device of claim 1 to 9 to the reactor feed is characterized in that, comprises the steps:
(1). by the exhausr port exhaust at loader main body top, carbonaceous solids powder and gas mixture are introduced in the loader main body of top by the material receiving port of loader main body;
(2). the admission port input top carrier gas by loader main body top, make pressure in the loader main body be higher than pressure in the reactor, the preferred pressure difference is 0.2～1MPa; Corresponding to different reactor operating pressures, the operating pressure scope of feeding device is 0.2～5Mpa;
(3). inject the bottom carrier gas by the gas inlet device that is arranged on the feeding device bottom with selected specific gas flow rate, build bridge the stability that increases carbonaceous solids powder flowing power and flow for to destroy an amount of inflation of carbonaceous solids powder; Selected specific gas flow rate carrier gas inject the place the superficial velocity at place, horizontal section less than the final settlement speed of carbonaceous solids powder particle in feeding device;
(4). under pressure differential effect between feeding device and the reactor, the carbonaceous solids powder is carried from a plurality of discharging openings by carrier gas and evenly discharges, and sends reactor to by a plurality of nozzles;
(5). the carbonaceous solids powder quality flow rate that enters reactor serves as main the adjusting with the pressure reduction between feeding device and the reactor;
(6). keep carbonaceous solids powder storage in the feeding device to be at least 30%～80% of maximum carbonaceous solids powder qualities that feeding device can hold.
11. the method to the reactor feed according to claim 10 is characterized in that, said carrier gas is selected from nitrogen, carbon dioxide, aqueous vapor, synthesis gas, hydrocarbon gas or its any mixture; Said carbonaceous solids powder is the powder attitude solid of the carbon containing of mean grain size in 30 μ m～200 mu m ranges, and it can be selected from coal dust, petroleum coke powder, living beings powder or solid waste powder.
12. the method to the reactor feed according to claim 10 is characterized in that, said carbonaceous solids powder is a coal dust, and described coal dust leaves the concentration range of feeding device at 400～700kg/m
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101165844A CN101152932B (en) | 2006-09-27 | 2006-09-27 | Feed device of carbonaceous solid powder with a plurality of discharge doors and feed method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101165844A CN101152932B (en) | 2006-09-27 | 2006-09-27 | Feed device of carbonaceous solid powder with a plurality of discharge doors and feed method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101152932A true CN101152932A (en) | 2008-04-02 |
| CN101152932B CN101152932B (en) | 2011-12-14 |
Family
ID=39254853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101165844A Active CN101152932B (en) | 2006-09-27 | 2006-09-27 | Feed device of carbonaceous solid powder with a plurality of discharge doors and feed method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101152932B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417111A (en) * | 2010-09-28 | 2012-04-18 | 通用电气公司 | Conveying system and method |
| CN102602618A (en) * | 2011-01-19 | 2012-07-25 | 王景龙 | Mixed biomass fuel feeder |
| CN105253631A (en) * | 2015-11-18 | 2016-01-20 | 神华集团有限责任公司 | Powder pressurized conveying device |
| CN105347040A (en) * | 2015-12-01 | 2016-02-24 | 东南大学 | Pressure feed type high-pressure dense-phase pneumatic conveying device and pneumatic conveying method |
| CN106225485A (en) * | 2016-09-21 | 2016-12-14 | 深圳市星特烁科技有限公司 | Oxalic acid feeder |
| CN106479575A (en) * | 2015-09-02 | 2017-03-08 | 通用电气公司 | System and method for the preparation of charging |
| CN109625975A (en) * | 2018-12-25 | 2019-04-16 | 西安交通大学 | A kind of submicron particles, which fluidize, gives powder device |
| CN112446567A (en) * | 2019-08-28 | 2021-03-05 | 北京京东乾石科技有限公司 | Conveying line scheduling system and method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2912661C2 (en) * | 1979-03-30 | 1982-06-24 | Wacker-Chemitronic Gesellschaft Fuer Elektronik-Grundstoffe Mbh, 8263 Burghausen | Process for the deposition of pure semiconductor material and nozzle for carrying out the process |
| CN1017873B (en) * | 1987-09-18 | 1992-08-19 | 国际壳牌研究有限公司 | Feed hopper design for coal gasifier |
| DE3734745A1 (en) * | 1987-10-09 | 1989-04-20 | Schering Ag | TETRAHYDROPYRROLO (2,1-C) (1,2,4) -THIADIAZOL-3-YLIDENIMINOBENZOXAZINONE AND OTHER HETEROCYCLICALLY SUBSTITUTED AZOLES AND AZINES, METHODS FOR THE PRODUCTION THEREOF AND THEIR USE AS AGENTS WITH HERBICIDES |
| JP2799479B2 (en) * | 1993-04-19 | 1998-09-17 | 協和醗酵工業株式会社 | Pneumatic transport device for granular material |
-
2006
- 2006-09-27 CN CN2006101165844A patent/CN101152932B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417111A (en) * | 2010-09-28 | 2012-04-18 | 通用电气公司 | Conveying system and method |
| CN102602618A (en) * | 2011-01-19 | 2012-07-25 | 王景龙 | Mixed biomass fuel feeder |
| CN106479575A (en) * | 2015-09-02 | 2017-03-08 | 通用电气公司 | System and method for the preparation of charging |
| CN105253631A (en) * | 2015-11-18 | 2016-01-20 | 神华集团有限责任公司 | Powder pressurized conveying device |
| CN105347040A (en) * | 2015-12-01 | 2016-02-24 | 东南大学 | Pressure feed type high-pressure dense-phase pneumatic conveying device and pneumatic conveying method |
| CN106225485A (en) * | 2016-09-21 | 2016-12-14 | 深圳市星特烁科技有限公司 | Oxalic acid feeder |
| CN106225485B (en) * | 2016-09-21 | 2018-09-25 | 深圳市星特烁科技有限公司 | Oxalic acid feeder |
| CN109625975A (en) * | 2018-12-25 | 2019-04-16 | 西安交通大学 | A kind of submicron particles, which fluidize, gives powder device |
| CN112446567A (en) * | 2019-08-28 | 2021-03-05 | 北京京东乾石科技有限公司 | Conveying line scheduling system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101152932B (en) | 2011-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101152932B (en) | Feed device of carbonaceous solid powder with a plurality of discharge doors and feed method thereof | |
| CN200948983Y (en) | Discharging device on lower material feeder for carbonaceous solid powder | |
| US4883390A (en) | Method and apparatus for effecting pneumatic conveyance of particulate solids | |
| TWI461522B (en) | Continuous fuel supply system for a coal gasification reactor | |
| US4146370A (en) | Process and apparatus for the partial combustion of coal powder | |
| CN101977675B (en) | Method and device for metered removal of a fine-grained to coarse-grained solid material or solid material mixture from a storage container | |
| CN201962257U (en) | Dry coal powder pressurizing and dense-phase transporting system | |
| CN101939235A (en) | Method and device for receiving and handing over fine-grain to coarse-grain solids from a container to a higher pressure system | |
| CN101798022B (en) | Multipath discharging dense-phase pneumatic conveying device and method | |
| CN101544310A (en) | Cylindrical material-issuing tank of a plurality of air distributors and material-issuing tubes and multi-path material-issuing method thereof | |
| CN100564206C (en) | Fixed fluidized bed powder metering and distributing delivery device and realization high stable are carried and the method for distributing powder | |
| CN102442552B (en) | Feeding tank for pneumatically conveying solid particles and feeding system | |
| CN1274568C (en) | Dense phase pneumatic transmission feeding device and method | |
| CN102858924A (en) | Device for supplying a plurality of burners with fine-grained fuel | |
| CN102134005B (en) | Double-type air-distribution plate and single pipe discharging sending tank | |
| EP0123542B1 (en) | Distribution of gas entrained particles | |
| CN102575849A (en) | Solid fuel conveyance and injection system for a gasifier | |
| CA1048761A (en) | Conduit | |
| EP0308026B1 (en) | Feed vessel apparatus for coal gasification | |
| JP2000119666A (en) | Supplying system for pulverized coal for coal gasification furnace | |
| CN110844604A (en) | Pressurized pneumatic powder feeding device and method | |
| CN1019074B (en) | Compartmented gas injection device | |
| JPS61184324A (en) | Conveyor for solid particle | |
| CN102049221B (en) | Boiling-bed reaction system | |
| GB2106064A (en) | Pneumatic conveyance of solids |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |