CN102818272A

CN102818272A - Dry-type slag conveying device, slag removing apparatus, and slag removing method

Info

Publication number: CN102818272A
Application number: CN2012102543978A
Authority: CN
Inventors: 刘振强; 于谦; 王玉玮; 张晶; 夏春华
Original assignee: State Grid Corp of China SGCC; Beijing Guodian Futong Science and Technology Development Co Ltd
Current assignee: State Grid Corp of China SGCC; Beijing Guodian Futong Science and Technology Development Co Ltd
Priority date: 2012-07-20
Filing date: 2012-07-20
Publication date: 2012-12-12

Abstract

The invention relates to a dry-type slag conveying device, a slag removing apparatus and a slag removing method. The dry-type slag conveying device comprises a rigid brush device, wherein the rigid brush device is arranged on a slag receiving surface of a conveyor belt and is used for being matched a box-body bottom bearing surface of the slag removing apparatus; the fine dust on the box-body bottom bearing surface is driven by the back stroke movement of the conveyor belt to move towards a fine-dust outlet arranged on the bottom bearing surface, thereby taking the fine dust on the box-body bottom bearing surface arranged on the box-body conveying section away from the box-body bottom bearing surface of the box body conveying section. The dry-type slag conveying device is used in both the slag removing apparatus and the slag removing method. With the adoption of the slag removing apparatus and the slag removing method of the dry-type slag conveying device, the fine-dust removing efficiency can be improved.

Description

A kind of dry-type slag-conveying device, residue extraction mechanism and Slagoff method

Technical field

The present invention relates to a kind of conveying and process field of boiler slag, particularly a kind of dry-type slag-conveying device, residue extraction mechanism and Slagoff method.

Background technology

In the industry lime-ash of coal-burning boiler is carried out dried slag removing when handling, need boiler ash (comprising bulk lime-ash and thin ash) be discharged from boiler bottom, and the lime-ash of discharging is promoted to a high position through conveying, place in the sludge-store cabin.The dry-type slag-conveying device relates generally to the device that the bulk lime-ash is carried.The corresponding with it dry type equipment of slagging tap mainly comprises casing and the defeated slag device of being located in the said casing.Wherein, Said slag carries casing and comprises the collection section and the transportation section that is used for slag is delivered to the sludge-store cabin mouth that is used to collect slag; Correspondingly; Be installed on the defeated slag device of box house, the part that said defeated slag device is positioned at the casing transportation section is called the transport transportation section, and the part that is positioned at the casing collection section is called the transport collection section; Said defeated slag device has the steel band of transmission continuously, and the steel band that is positioned at the bottom is called steel band backhaul part.At present, when above-mentioned residue extraction mechanism moved, the lime-ash of discharging from boiler bottom fell on the steel band slag conveyer that is located in the slag collection section, is sent to the sludge-store cabin mouth through the casing transportation section more afterwards.But, falling to the process of steel band from the boiler slag removal mouth at slag, the thin ash of a part can drop down onto on the bottom loading end of collection section of casing from the gap location between steel band and wall box; In addition; When steel band is carried with thin ash slag through conveyer belt,, make extraneous air stream get into from slag-drip opening because the high temperature of box house produces the negative pressure with respect to outside atmosphere; Be easy to be positioned on the steel band; The thin ash that is being transferred along contrary airflow direction blows off to the bottom of casing, and therefore, thin ash how to remove bottom half has become a significant problem in this field.

Chinese patent document CN201748451U discloses a kind of dry-type slag extractor, comprises casing, is provided with carrier chain in the casing, and the bottom of carrier chain is provided with the cleaning chain, and carrier chain is respectively equipped with driven wheel with the two ends of cleaning chain, and said deslagging casing is provided with air inlet.This dry-type slag extractor is when carrying slag; The development length of cleaning chain that is positioned at the bottom of carrier chain equates with the development length of carrier chain; The cleaning chain can play certain cleaning effect to the thin ash that falls on the bottom half loading end; But, because the air inlet on the slag extractor is arranged on the transportation section of carrier chain, from air-flow edge that casing slag-drip opening and air inlet are blown into and carrier chain with clean the opposite direction of chain transmission and move; Blow the thin ash of collecting on the cleaning chain open easily, thereby caused lower thin grey elimination efficiency.

Chinese patent document CN101660760A; Disclosing a kind of bottom opening discharges thin ash to improve the dry-type slag-conveying device of deslagging efficient; Comprise casing, be located at said slag and carry the conveying steel band in the casing, and be located at the scraper plate ash handling equipment between said conveying steel band and the said bottom half; Said casing promotes section by slag collection section and slag and forms; Said slag promotes the top that section links to each other with said slag collection section and is positioned at said slag collection section, promotes section at said slag and is provided with slag-drip opening with the continuous corresponding other end of an end of said slag collection section; At least any end of this invention in the two ends of said slag collection section is provided with thin ash outlet, and said thin grey scavenge unit drives thin ash motion to said at least one thin grey Way out.Above-mentioned dry-type slag-conveying device is when work, and the thin ash that falls on the loading end of collection section moves to thin ash outlet under the effect of said scraper plate ash handling equipment, thereby reaches the purpose of removing the thin ash of bottom half.This device is not owing to only be provided with thin grey clearing apparatus in the casing transportation section in the casing collection section; Need not thin ash is discharged from the slag-drip opening of casing through said transportation section; When having solved among the patent documentation CN201748451U from the ash discharge of casing slag-drip opening, reverse air stream is to the technical problem of ash discharge effectiveness affects, still; For this patent application; When the angle between transportation section loading end and the horizontal plane less than the angle of repose of thin ash when (thin ash can keep the maximum angle of natural stability state when stacking), the thin ash that drops down onto on the loading end of bottom, casing transportation section from conveyer belt can't slide to said casing collection section along said loading end, and appear at the situation of piling up on the loading end of bottom, said transportation section; Reduced ash discharge efficient on the one hand; On the other hand, in case a large amount of thin ashes is piled up in the casing transportation section, influence the conveying of conveyer belt probably.

Chinese patent document CN201407671Y; A kind of self-cleaning device of air-cooled dry slag disposal motor spindle dust stratification is wherein disclosed; Be provided with U type frid and carry steel band, carry under the steel band and be provided with steel wire, both are laid on carrying roller, driving wheel, the driven pulley after being fixedly connected; Form enclosed ring of advancing; Driving wheel is higher than driven pulley, between the biside plate of U type groove, is provided with perpendicular to the scraper plate of carrying steel band biside plate and base plate, also is provided with between two scraper plates on the U type frid conveying steel band, parallel at least one cleaning board with it; This cleaning board is fixed with carrying the steel band base plate through hinge; Cleaning board is fixed on the active face of hinge, its with a end that the bottom half loading end contacts on form a spoonful shape structure, the drawback movement of said cleaning board through steel band will drop thin ash cleaning at bottom half to the collection section that is positioned at steel band backhaul part afterbody along the direction of the air stream that gets into from slag-drip opening; Cooperate through arc-shaped guide plate, scraper plate and the cleaning board spoon shape structure of being located at the casing afterbody then; Bring to ash on spoonful shape structure, the motion through steel band brings to steel band top with the ash in the spoon shape structure, is delivered to the slag-drip opening that is positioned at casing top through the steel band transport again and discharges.

Though above-mentioned prior art has solved among the patent documentation CN201407671Y when the not high problem of thin grey elimination efficiency during less than thin grey angle of repose of the angle between thin grey loading end of slag and the horizontal plane, still has following problem:

1) cleaning board mainly is that the spoon shape structure of something or somebody to fall back on portion contacts with tank floor, and cooperates with arc-shaped guide plate, thereby it is structural to take thin ash to spoonful shape; And the bending of clearing apparatus head is exposed at box house in the overall process of slag-conveying device operation always; When the slag of boiler is discharged on the conveyer belt, because the higher temperature of slag and stronger impulsive force can cause damage to cleaning board; Cause the malformation of cleaning board spoon shape; Yet the spoon shape structure after the cleaning board distortion can't be well and the bottom loading end, even can't cooperate with arc-shaped guide plate thin ash is brought on spoonful shape structure, and is near and cause a large amount of thin ashes in the driven pulley bottom; Be that arc-shaped guide plate and bottom half junction surface place is piled up, cause low ash discharge efficient; In addition, a large amount of thin ashes is piled up herein can influence the normal operation of residue extraction mechanism, thereby causes deslagging efficient to reduce;

2) because cleaning board and steel strip surface are hinged, in case a large amount of thin ashes is deposited in bottom half, when thin ash is somebody's turn to do in the cleaning board cleaning; If cleaning board is lighter; Can be because thin ash amount to be excessive, cleaning board can't drive thin ash motion when its gravity deficiency, thereby makes cleaning board around hinge through; And then slip over from thin gray surface, finally cause and can't clean this a large amount of thin ash; And if cleaning board is heavier, when then cleaning board contacts the thin ash of cleaning with tank floor, can cause making the frictional force between cleaning board and tank floor bigger, thereby cause the bottom half surface to be worn, reduce service life of equipment.

Summary of the invention

For this reason, to be solved by this invention is the inefficient technical problem of ash discharge in the prior art, and then proposes the higher dry-type slag-conveying device of a kind of ash discharge efficient, adopts the residue extraction mechanism and the Slagoff method of this defeated slag device.

A kind of dry-type slag-conveying device provided by the invention; Wherein, Said dry-type slag-conveying device is located at the box house of residue extraction mechanism, and the said casing of said residue extraction mechanism comprises the casing collection section that is arranged at boiler slag removal mouth below, the casing transportation section that is connected with said casing collection section with an end; The said casing transportation section other end has and is positioned at high-order slag-drip opening, and the bottom half loading end of said casing transportation section and the angle of horizontal plane are less than the angle of resting in peace of ash carefully; Said dry-type slag-conveying device comprises first drum apparatus and second tin roller device, and said first drum apparatus and second tin roller device are separately positioned on the two ends of said casing; Conveyer belt, said conveyer belt has the slag receiving plane, and said conveyer belt is installed on said first drum apparatus and the said second tin roller device, and said first drum apparatus and said second tin roller device are applicable to and drive said conveyer belt motion, realize carrying; Also comprise the rigidity brush device; Said rigidity brush device is arranged on the said slag receiving plane of said conveyer belt; Be used for cooperating with the said bottom half loading end of said casing transportation section; Drawback movement through conveyer belt drives the thin ash outlet motion of thin ash on the bottom half loading end that forms in the casing collection section on the said bottom half loading end that is positioned at said casing transportation section, thereby will be positioned at thin ash band on the said bottom half loading end of said casing transportation section from the bottom half loading end of said casing transportation section.

Above-mentioned defeated slag device, wherein, said rigidity brush device comprises brush holder and the bar shaped brush body of being located at said brush holder top, said bar shaped brush body vertically is provided with respect to said slag receiving plane.

Above-mentioned defeated slag device, wherein, said rigidity brush device also comprises the dismountable sheath that is arranged on said bar shaped brush body periphery, said sheath is used to prevent that slag from clashing into said bar shaped brush body.

The present invention provides a kind of residue extraction mechanism that uses said dry-type slag-conveying device again; As first kind of residue extraction mechanism; Said residue extraction mechanism comprises casing; Said casing comprises the casing collection section that is arranged at boiler slag removal mouth below, and with the casing transportation section that an end is connected with said casing collection section, the said casing transportation section other end has the slag-drip opening that is positioned at a high position; Be formed with thin ash outlet on the bottom half loading end of said casing collection section away from an end of said casing transportation section, the bottom half loading end of said casing transportation section and the angle of horizontal plane are less than the angle of resting in peace of ash carefully;

Wherein, Said defeated slag device is installed on said box house; The rigidity brush device of said defeated slag device cooperates with the bottom half loading end of said casing collection section and said casing transportation section; Drawback movement through conveyer belt drives thin ash on the bottom half loading end that is positioned at said casing collection section and said casing transportation section to said thin ash outlet motion; With the bottom half loading end of the thin ash band on the said said bottom half loading end that is positioned at said casing transportation section from said casing transportation section; And bring on the bottom half loading end of said casing collection section, and then the thin ash that will be positioned at the bottom half loading end of said casing collection section is discharged said casing through said thin ash outlet.

Above-mentioned first kind of residue extraction mechanism also comprises thin grey receiving system, is communicated with said thin grey exit seal, is used to receive the thin ash that is discharged from from said thin grey exit.

Above-mentioned first kind of residue extraction mechanism; Said thin grey receiving system is thin grey lifting device; Wherein, said thin grey lifting device comprises thin grey receiving port that is communicated with said thin grey exit seal and the thin grey outlet that is communicated with said casing top seal; Said thin grey lifting device receives the thin ash of discharging from said thin ash outlet, and it is promoted to said thin grey outlet place is expelled on the said defeated slag device delivery band.

Above-mentioned first kind of residue extraction mechanism; Said thin grey lifting device is a bucket elevator; Said thin grey receiving port is the inlet that is positioned at the bucket elevator of low level; The outlet that said thin grey outlet is a bucket elevator, said bucket elevator are used for that the thin ash that gets into from said inlet is promoted to said exit and discharge.

Above-mentioned first kind of residue extraction mechanism; Also comprise the slag buffer unit; Said slag buffer unit is located at the slag inlet of said casing; And between the slag inlet of the outlet of the slag of slag well and the said casing of said residue extraction mechanism, be used for the buffering that realization is moved to slag between the slag inlet of the slag outlet of said slag well and said casing.

Above-mentioned first kind of residue extraction mechanism; Said buffer unit also comprises grid device and the hydraulic pressure pwc breaker of being located at said grid device place; Said grid device is tackled the slag from the discharge of said slag well, and said hydraulic pressure pwc breaker is used for being carried out fragmentation by the slag of grid interception.

The invention provides the another kind of residue extraction mechanism that uses said dry-type slag-conveying device; As second kind of residue extraction mechanism; Said residue extraction mechanism comprises casing; Said casing comprises the casing collection section that is arranged at boiler slag removal mouth below, and with the casing transportation section that an end is connected with said casing collection section, the other end of said casing transportation section has the slag-drip opening that is positioned at a high position; Be formed with thin ash outlet on the bottom half loading end of any end of said casing collection section, the bottom half loading end of said casing transportation section and the angle of horizontal plane are less than the angle of resting in peace of ash carefully;

Wherein, said defeated slag device is installed on said box house, comprises the defeated slag device transportation section of the said transportation section that is positioned at said casing and is positioned at the defeated slag device collection section of the said collection section of said casing; The rigidity brush device of said defeated slag device cooperates with the bottom half loading end of said casing transportation section; Drawback movement through conveyer belt drives thin ash on the bottom half loading end that is positioned at said casing transportation section to thin ash outlet motion, and said thin ash band is from the bottom half loading end of said casing transportation section;

The chain type clearing apparatus; Said chain type clearing apparatus is arranged between the bottom half loading end and said defeated slag device of said casing collection section; Said chain type clearing apparatus cooperates with the bottom half loading end of said casing collection section; Motion through said chain type clearing apparatus drives thin ash on the bottom half loading end of said casing collection section to said thin ash outlet motion, and will said thin ash through the said casing of said thin ash outlet discharge.

Above-mentioned second kind of residue extraction mechanism, said thin ash outlet forms in the joint of said casing collection section and said casing transportation section; The said thin ash that said rigidity brush device will be positioned on the bottom half loading end of said casing transportation section brings to said thin grey exit, and discharges casing; The thin ash that said chain type clearing apparatus will be positioned on the bottom half loading end of said casing collection section brings to said thin grey exit, and discharges said casing from said thin grey exit.

Above-mentioned second kind of residue extraction mechanism, said thin ash outlet form on the said casing collection section on the bottom half loading end away from said casing transportation section one end; The thin ash that said rigidity brush device will be positioned on the bottom half loading end of said casing transportation section brings on the bottom half loading end of said casing collection section;

Said chain type clearing apparatus one end is located at said casing collection section and said casing transportation section joint; The other end is located at said thin grey exit, and the thin ash that said chain type clearing apparatus will be positioned on the bottom half loading end of said casing collection section is discharged said casing through said thin ash outlet.

Above-mentioned second kind of residue extraction mechanism also comprises thin grey receiving system, is communicated with said thin grey exit seal, is used to collect the thin ash that is discharged from from said thin grey exit.

Above-mentioned second kind of residue extraction mechanism; Wherein, said thin grey receiving system is thin grey lifting device, wherein; Said thin grey lifting device comprises the thin grey receiving port that is communicated with said thin grey exit seal; With the thin grey outlet that is communicated with said casing top, said thin grey lifting device receives the thin ash of discharging from said thin ash outlet, and it is promoted to said thin grey outlet place is expelled on the said defeated slag device delivery band.

Above-mentioned second kind of residue extraction mechanism; Said thin grey lifting device is a bucket elevator; Said thin grey receiving port is inlet and the outlet that said thin grey outlet is a bucket elevator that is positioned at the bucket elevator of low level, and said bucket elevator is used for that the thin ash that gets into from said inlet is promoted to said exit and discharges.

Above-mentioned second kind of residue extraction mechanism; Also comprise the slag buffer unit; Said slag buffer unit is located at the slag inlet of said casing; And between the slag inlet of the outlet of the slag of slag well and the said casing of said residue extraction mechanism, be used for the buffering that realization is moved to slag between the slag inlet of the slag outlet of said slag well and said casing.

Above-mentioned second kind of residue extraction mechanism; Said buffer unit also comprises grid device and the hydraulic pressure pwc breaker of being located at said grid device place; Said grid device is tackled the slag from the discharge of said slag well, and said hydraulic pressure pwc breaker is used for being carried out fragmentation by the slag of grid interception.

The present invention also provides a kind of first kind of Slagoff method based on above-mentioned first kind of residue extraction mechanism, comprises following steps:

Make the defeated slag device delivery band that is installed on the residue extraction mechanism box house that slag is delivered to the slag-drip opening place of residue extraction mechanism, and discharge casing;

The rigidity brush device of said defeated slag device is cooperated with the bottom half loading end of casing collection section and casing transportation section; And the drawback movement through conveyer belt drives the thin ash outlet motion of thin ash on the bottom half loading end that forms in the casing collection section on the bottom half loading end that is positioned at said casing collection section and said casing transportation section; With the bottom half loading end of the thin ash band on the said said bottom half loading end that is positioned at said casing transportation section from said casing transportation section; And bring on the bottom half loading end of said casing collection section, and then the thin ash that will be positioned at the bottom half loading end of said casing collection section is discharged said casing through said thin ash outlet.

Above-mentioned first kind of Slagoff method, said residue extraction mechanism also comprises thin grey receiving system, said thin grey receiving system is communicated with said thin grey exit seal; Above-mentioned Slagoff method also comprises the thin ash that adopts said thin grey receiving system reception to be discharged from from said thin grey exit.

Above-mentioned first kind of Slagoff method, said thin grey receiving system is thin grey lifting device, wherein, said thin grey lifting device comprises thin grey receiving port that is communicated with said thin grey exit seal and the thin grey outlet that is communicated with said casing top seal; The thin ash of discharging from said thin ash outlet receives through said thin grey lifting device, is promoted to said thin grey outlet place then, is discharged at last on the said defeated slag device delivery band.

Above-mentioned first kind of Slagoff method, said thin grey lifting device is a bucket elevator, said thin grey receiving port is the inlet that is positioned at the bucket elevator of low level, the outlet that said thin grey outlet is a bucket elevator;

The thin ash that gets into from said inlet is promoted to said exit by said bucket elevator, drains into then on the said conveyer belt of said defeated slag device.

The present invention provides a kind of second kind of Slagoff method based on above-mentioned second kind of residue extraction mechanism again, comprises following steps:

Make the defeated slag device delivery band that is installed on the residue extraction mechanism box house that slag is delivered to the slag-drip opening place of residue extraction mechanism, and discharge said casing;

The rigidity brush device of said defeated slag device is cooperated with the bottom half loading end of said casing transportation section; And the drawback movement through conveyer belt drives the thin ash outlet motion of thin ash on the bottom half loading end of any end that forms in said casing collection section on the bottom half loading end that is positioned at said casing transportation section, with the bottom half loading end of said thin ash band from said casing transportation section;

The bottom half loading end that is installed on said casing collection section is cooperated with the bottom half loading end of said casing collection section with chain type clearing apparatus between the said defeated slag device; Motion through said chain type clearing apparatus drives thin ash on the bottom half loading end of said casing collection section to said thin ash outlet motion, and said thin ash is discharged said casing from said thin grey exit.

Above-mentioned second kind of Slagoff method, the thin ash outlet of said residue extraction mechanism forms in the joint of said casing collection section and said casing transportation section;

Wherein, the said thin ash that is positioned on the bottom half loading end of said casing transportation section is brought to said thin grey exit through said rigidity brush device, and is discharged from said casing.

Above-mentioned second kind of Slagoff method, said thin grey receiving system is thin grey lifting device, said thin grey lifting device comprises the thin grey outlet that the thin grey receiving port that is communicated with said thin grey exit seal and said casing top seal are communicated with;

Wherein, the said thin ash of discharging from said thin ash outlet receives through said thin grey lifting device, is promoted to said thin grey outlet place then, is drained at last on the said defeated slag device delivery band.

Above-mentioned second kind of Slagoff method, said thin grey lifting device is a bucket elevator, said thin grey receiving port is the inlet that is positioned at the bucket elevator of low level, the outlet that said thin grey outlet is a bucket elevator;

Above-mentioned second kind of Slagoff method, the thin ash outlet of said residue extraction mechanism forms on the said casing collection section away from the one end bottom half loading end of said casing transportation section; Chain clearing apparatus one end of said residue extraction mechanism is located at said casing collection section and said casing transportation section joint, and the other end is located at said thin grey exit;

Wherein, The thin ash that is positioned on the bottom half loading end of said casing transportation section is brought on the bottom half loading end of said casing collection section by said rigidity brush device; The thin ash that is positioned on the bottom half loading end of said casing collection section will be brought to said thin grey exit by said chain type clearing apparatus, and discharge said casing from said thin grey exit.

Above-mentioned second kind of Slagoff method, said residue extraction mechanism also comprises thin grey receiving system, said thin grey receiving system is communicated with said thin grey exit seal; The thin ash that reception is discharged from from said thin grey exit;

Said Slagoff method also comprises the thin ash that adopts said thin grey receiving system reception to be discharged from from said thin grey exit.

Above-mentioned second kind of Slagoff method; Wherein, said thin grey receiving system is thin grey lifting device, and said thin grey lifting device comprises the thin grey receiving port that is connected with said thin grey exit seal; With the thin grey outlet that is communicated with said casing top; The thin ash of discharging from said thin ash outlet is received by said thin grey lifting device, and is promoted to said thin grey outlet place, is expelled to then on the said defeated slag device delivery band.

Technique scheme of the present invention is compared prior art and is had the following advantages:

(1) dry-type slag-conveying device of the present invention comprises the rigidity brush device; Be arranged on the said slag receiving plane of said conveyer belt; Be used for cooperating with the bottom half loading end of residue extraction mechanism, the drawback movement through conveyer belt drives the thin ash that is positioned on the said bottom half loading end to the thin ash outlet motion that forms on the loading end of said bottom.Because rigidity is brushed with certain toughness; Therefore when removing the thin ash in bottom and the frictional force of bottom half little; Thereby the wearing and tearing to bottom half causes are less, use the rigidity brush device can avoid cleaning board heavier in the prior art contact cleaning with tank floor when carefully grey, can cause making the frictional force between cleaning board and tank floor bigger; Thereby cause the bottom half surface to be worn, reduce the phenomenon of service life of equipment.On the other hand, use the rigidity brush device to clean thin ash and avoided when using with the hinged lighter cleaning board of bottom half, can be because thin ash amount be excessive; This cleaning board can't drive thin ash motion, thereby makes this cleaning board around hinge through, and then slips over from thin gray surface; Finally cause and to clean this a large amount of thin ash; Cause the ash discharge inefficiency, therefore, adopt rigidity brush device of the present invention can improve ash discharge efficient.

(2) rigidity brush device of the present invention also comprises the dismountable sheath that is arranged on said bar shaped brush body periphery; Said sheath can be used to prevent that slag from clashing into said brush body and the distortion that causes; Thereby guaranteed that the rigidity brush device can cooperate with the bottom loading end preferably, improved the service life of device.

(3) residue extraction mechanism of the above-mentioned dry-type slag-conveying device of use of the present invention; Comprise casing; Said casing comprises the casing collection section that is arranged at boiler slag removal mouth below; Be connected with said casing collection section with an end and the other end extends to the casing transportation section that sludge-store cabin is gone into cinder notch, be formed with thin ash outlet on the bottom loading end of said casing collection section away from an end of said casing transportation section; Wherein, the rigidity brush device of said defeated slag device cooperates with bottom half, and the drawback movement through conveyer belt drives the thin ash that is positioned on the said bottom half loading end to said thin ash outlet motion, and discharges said casing from said thin grey exit.Said residue extraction mechanism is arranged on thin ash outlet on the bottom loading end of said casing collection section away from an end of said casing transportation section; So only through just realizing rigidity brush device and cooperating of bottom half loading end the cleaning and the discharge of thin ash; When obtaining higher ash discharge efficient, make device structure comparatively simple.

(4) residue extraction mechanism of the said dry-type slag-conveying device of use of the present invention; Also comprise the chain type clearing apparatus; Said chain type clearing apparatus is arranged between the bottom loading end and said defeated slag device of said casing collection section; Said chain type clearing apparatus cooperates with the bottom loading end of said casing collection section; Motion through said chain type clearing apparatus drives the thin ash outlet motion of thin ash on the bottom loading end of any end that forms in said casing collection section on the loading end of bottom, said casing collection section, and discharges said casing from said thin grey exit.The chain type clearing apparatus is set and the rigidity brush device is used; Thin ash outlet on the bottom half loading end can be arranged on the junction of casing transportation section and collection section on the one hand; Rigidity brush device and chain type clearing apparatus are all to the motion of the position of thin ash outlet like this; The thin ash that can be directly cleans the rigidity brush device thin ash that loading end cleans from bottom, casing transportation section and chain type clearing apparatus from the bottom loading end of casing collection section exports from thin ash and directly enters thin grey receiving system; Avoided occurring thin ash and produced accumulation, normally moved the problem that causes deslagging efficient lower thereby influence residue extraction mechanism in the junction of casing transportation section and collection section; Can break down can not move the time at the rigidity brush device on the other hand, the chain type clearing apparatus can also the thin ash of independent cleaning, is unlikely to cause stopping fully of ash discharge deslagging work because of the damage of rigidity brush device; Moreover chain type clearing apparatus and rigidity brush device all be used for cleaning thin ash on the bottom half loading end, and both purposes are identical, but divide open shop, and such two kinds of equipment can be distinguished independent maintenance under the prerequisite that need not end tapping process.

(5) residue extraction mechanism of the said dry-type slag-conveying device of use of the present invention also comprises thin grey receiving system, and said thin grey receiving system can be thin grey lifting device.When said thin grey gathering-device is thin grey lifting device; Said thin grey lifting device can drain into the thin ash of discharging from thin ash outlet on the conveyer belt of collection section; Make thin ash and slag be transferred the slag-drip opening place, top that band is transported to the transportation section together; Be discharged into sludge-store cabin then, thereby realized a comprehensive automatic deslagging and ash discharge process, need not the manual regular cleaning.

(6) residue extraction mechanism of the said dry-type slag-conveying device of use of the present invention; Also comprise the slag buffer unit; Said slag buffer unit is located at the slag inlet of said casing; And between the slag inlet of the outlet of the slag of slag well and the said casing of said residue extraction mechanism, be used for the buffering that realization is moved to slag between the slag inlet of the slag outlet of said slag well and said casing.Said buffer unit can prevent that slag after said boiler slag removal mouth is discharged, directly is discharged on the described rigidity brush device, can reduce the impact of slag to said rigidity brush device, avoids it is damaged.

Description of drawings

Fig. 1 is for having rigidity brush device dry-type slag-conveying device sketch map;

Fig. 2 is a rigidity brush device sketch map;

Fig. 3 is band chain formula clearing apparatus, that thin grey receiving system is not thin grey lifting device residue extraction mechanism sketch map;

Fig. 4 is residue extraction mechanism sketch map band chain formula clearing apparatus, that thin grey receiving system is thin grey lifting device;

Fig. 5 is arranged on the residue extraction mechanism sketch map of casing collection section and casing transportation section joint for thin ash outlet;

Reference numeral is expressed as among the figure: 1-first drum apparatus; 2-second tin roller device; The 3-conveyer belt; 4-rigidity brush device; The bottom half loading end of 5-casing collection section; The thin ash outlet of 6-; The 7-brush holder; The 8-casing; 9-boiler slag removal mouth; The 10-slag-drip opening; The thin grey receiving port of 11-; The thin grey outlet of 12-; The 13-bucket elevator; 14-chain type clearing apparatus; The 15-sludge-store cabin; 17-anti-overflow plate; 18-bar shaped brush body; The bottom half loading end of 19-casing transportation section; The 20-stock guide; 21-casing collection section; 22-casing transportation section.

The specific embodiment

For content of the present invention is more clearly understood, below according to a particular embodiment of the invention and combine accompanying drawing, the present invention is done further detailed explanation.

Embodiment 1

A kind of dry-type slag-conveying device of present embodiment as shown in Figure 1; Wherein, said dry-type slag-conveying device is located at casing 8 inside of residue extraction mechanism, is used for and said casing 8 cooperatings; Wherein, The said casing 8 of said residue extraction mechanism comprises the casing collection section 21 that is arranged at boiler slag removal mouth 9 belows, and with the casing transportation section 22 that an end is connected with said casing collection section 21, said casing transportation section 22 other ends have the slag-drip opening 10 that is positioned at a high position; The bottom half loading end 19 of said casing transportation section 22 and the angle of horizontal plane are less than the thin ash angle of resting in peace, and the bottom half loading end 19 of said in the present embodiment casing transportation section 22 is 35 degree with the angle of horizontal plane.

Said dry-type slag-conveying device comprises first drum apparatus 1, second tin roller device 2 and conveyer belt 3; Wherein, said first drum apparatus 1 and second tin roller device 2 are separately positioned on the two ends of said casing 8; Said conveyer belt 3 has the slag receiving plane; Be used for receiving the slag that drops on carrying; Said conveyer belt 3 is installed on said first drum apparatus 1 and the said second tin roller device 2; Said first drum apparatus 1 is applicable to said second tin roller device 2 and drives said conveyer belt 3 motions, realizes carrying; Said dry-type slag-conveying device also comprises rigidity brush device 4; Rigidity brush device 4; Said rigidity brush device 4 is arranged on the said slag receiving plane of said conveyer belt 3; Be used for cooperating with the said bottom half loading end 19 of said casing transportation section 22; Drawback movement through conveyer belt 3 drives thin ash outlet 6 motions of thin ash on the bottom half loading end 5 that forms in casing collection section 21 on the said bottom half loading end 19 that is positioned at said casing transportation section 22, thereby will be positioned at thin ash band on the said bottom half loading end 19 of said casing transportation section 22 from the bottom half loading end 19 of said casing transportation section 22.Wherein, said first drum apparatus 1 is preferably driving wheel, and second tin roller device 2 is preferably driven pulley, and conveyer belt 3 can be the steel band that is joined together to form by some block plates.

In order to prevent that the slag on the said conveyer belt 3 from dropping from the both sides of conveyer belt 3; As shown in Figure 2; Can set up anti-overflow plate 17 in the both sides of the said slag receiving plane of said conveyer belt 3, wherein, the spigot surface of said anti-overflow plate 17 is consistent with said conveyer belt 3 directions of motion.

As a kind of preferred implementation wherein; Said rigidity brush device 4 is preferably and comprises brush holder 7 and the bar shaped brush body 18 of being located at said brush holder 7 tops; As shown in Figure 2; Said bar shaped brush body 18 vertically is provided with respect to said slag receiving plane, and the alterable height of said brush holder 7 can also play the effect that the slag that is used to prevent on the said conveyer belt 3 moves along contrary conveyer belt 3 directions of motion.As a kind of preferred embodiment; Said rigidity brush device 4 also comprises the dismountable sheath (not showing in the accompanying drawing) that is arranged on said bar shaped brush body 18 peripheries; Said sheath can prevent that slag from clashing into said bar shaped brush body 18, thereby bar shaped brush body 18 has been played good protection.

Embodiment 2

Like Fig. 3 is a kind of sketch map of residue extraction mechanism; Said residue extraction mechanism comprises casing 8; Said casing 8 comprises the casing collection section 21 that is arranged at boiler slag removal mouth 9 belows; With the casing transportation section 22 that an end is connected with said casing collection section 21, said casing transportation section 22 other ends have slag-drip opening 10, are formed with thin ash outlet 6 on the bottom half loading end 19 of said casing collection section 21 away from an end of said casing transportation section 22; The bottom half loading end 19 of said casing transportation section 22 and the angle of horizontal plane are less than thin grey angle of repose, and the said angle of present embodiment is 30 degree.

Wherein, said defeated slag device is installed on said casing 8 inside, comprises first drum apparatus 1, second tin roller device 2 and conveyer belt 3; Wherein, said first drum apparatus 1 and second tin roller device 2 are separately positioned on the two ends of said casing 8; Said conveyer belt 3 has the slag receiving plane; Said slag receiving plane is used for receiving the slag that drops on carrying; Said conveyer belt 3 is installed on said first drum apparatus 1 and the said second tin roller device 2; Said first drum apparatus 1 is used to drive said conveyer belt 3 motions with said second tin roller device 2, realizes carrying; Said dry-type slag-conveying device also comprises rigidity brush device 4; The rigidity brush device 4 of said defeated slag device cooperates with said casing transportation section 22 and bottom half loading end 19 with the bottom half loading end 5 of said casing collection section 21; Drawback movement through conveyer belt 3 drives thin ash on the bottom half loading end 19 of the bottom half loading end 5 that is positioned at said casing collection section 21 and said casing transportation section 22 to said thin ash outlet 6 motions; With the bottom half loading end 19 of the thin ash band on the said said bottom half loading end 19 that is positioned at said casing transportation section 22 from said casing transportation section 22; Wherein, Said first drum apparatus 1 is preferably driving wheel, and second tin roller device 2 is preferably driven pulley, and conveyer belt 3 can be the steel band that is joined together to form by some block plates.Said rigidity brush device 4 can be set directly on the slag receiving plane of steel band; As preferred a kind of embodiment; In order to prevent that the slag on the said conveyer belt 3 from dropping from the both sides of conveyer belt 3; Can set up anti-overflow plate 17 in the both sides of the said slag receiving plane of said conveyer belt 3, wherein, the guiding of said anti-overflow plate 17 is consistent with said conveyer belt 3 directions of motion.For the slag of discharging from said boiler slag removal mouth 9 more is discharged on the slag receiving plane of said conveyer belt 3 in the concentrated area; Preferred embodiment a kind of as in addition; As shown in Figure 2; On said conveyer belt 33, the side stock guide is set, the angle that said side stock guide is become with the slag receiving plane of said conveyer belt 3 is less than or equal to 90 degree.

As a kind of preferred implementation wherein; As shown in Figure 2; Said rigidity brush device 4 is preferably and comprises brush holder 7 and the bar shaped brush body 18 of being located at said brush holder 7 tops; As shown in Figure 3, said bar shaped brush body 18 vertically is provided with respect to said slag receiving plane, and said brush holder 7 can play the effect that the slag that is used to prevent on the said conveyer belt 3 moves along contrary conveyer belt 3 directions of motion.As a kind of preferred embodiment; Said rigidity brush device 4 also comprises the dismountable sheath (not showing in the accompanying drawing) that is arranged on said bar shaped brush body 18 peripheries; Said sheath can prevent that slag from clashing into said bar shaped brush body 18, thereby bar shaped brush body 18 has been played good protection.

In addition; Above-mentioned residue extraction mechanism also comprises thin grey receiving system, and said thin grey receiving system is thin grey lifting device, wherein; Said thin grey lifting device comprises the thin grey receiving port 11 that is communicated with said thin ash outlet 6 sealings; With the thin grey outlet 12 that is communicated with said casing 8 tops, said thin grey lifting device receives the thin ash of discharging from said thin ash outlet 6, and it is promoted to said thin grey outlet 12 places is expelled on the said defeated slag device delivery band 3.Said thin grey lifting device is a bucket elevator 13; Said thin grey receiving port 11 is the inlet that is positioned at the bucket elevator 13 of low level; Said thin grey outlet 12 is the outlet of bucket elevator 13, and said bucket elevator 13 is used for that the thin ash that gets into from said inlet is promoted to said exit and discharges.As selectable embodiment, the thin grey lifting device in the foregoing description can also be screw elevator or C shape scraper plate machine.

Adopt the process of above-mentioned its deslagging of residue extraction mechanism to be: slag is installed in residue extraction mechanism casing 8 inner defeated slag device delivery bands 3 and is delivered to slag-drip opening 10 places of residue extraction mechanism, and enters in the sludge-store cabin 15; The rigidity brush device 4 of said defeated slag device cooperates with the bottom half loading end 19 of said casing transportation section 22; Drawback movement through conveyer belt 3 drives thin ash outlet 6 motions of thin ash on the bottom half loading end 5 that forms in said casing collection section 21 on the bottom half loading end 19 of the bottom half loading end 5 that is positioned at casing collection section 21 and casing transportation section 22, and will said thin ash through the said casing 8 of said thin ash outlet 6 discharges.

The thin ash of discharging from said thin ash outlet 6 receives through said thin grey lifting device; Be promoted to said thin grey outlet 12 places by said bucket elevator 13 then; Be discharged at last on the said defeated slag device delivery band 3; Be transferred the top that is transported to said casing transportation section 22 with 3 with slag, finally enter sludge-store cabin 15 from said slag-drip opening 10.

In addition; For rigidity brush device 4 is protected, as a kind of preferred a kind of embodiment of residue extraction mechanism of the present invention, said dried slag removing equipment; Also comprise the slag buffer unit; Said slag buffer unit is located at the slag inlet of said casing 8, and between the slag inlet of the slag outlet of slag well and the said casing 8 of said residue extraction mechanism, is used for the buffering that realization is moved to slag between the slag inlet of the slag outlet of said slag well and said casing 8.It is grid device and be arranged on the hydraulic pressure pwc breaker on the said grid device that said buffer unit comprises.

In addition; Said buffer unit can also comprise the eccentric of being located at said grid device place, between the slag inlet that said eccentric is positioned at said grid device exports with the slag of said slag well, wherein; Said eccentric comprises housing and the slag passage that forms in said enclosure interior; Said slag passage has feeder connection and channel outlet, and said feeder connection is communicated with the slag outlet of said slag well, and said feeder connection is communicated with the inlet of said grid device; The inwall of said slag passage has the obstruction structure that the slag to the said slag passage of flowing through slows down.

Embodiment 3

As another disposable embodiment of residue extraction mechanism of the present invention; As shown in Figure 4; Comprise casing 8, said casing 8 comprises the casing collection section 21 that is arranged at boiler slag removal mouth 9 belows, the casing transportation section 22 that is connected with said casing collection section 21 with an end; Said casing transportation section 22 other ends have the slag-drip opening 10 that is positioned at a high position; Be formed with thin ash outlet 6 on the bottom half loading end 5 of said casing collection section 21 away from an end of said casing transportation section 22, the bottom half loading end 19 of said casing transportation section 22 and the angle of horizontal plane are less than thin grey angle of repose, and the said angle in the present embodiment is 25 degree.

Above-mentioned residue extraction mechanism also comprises the dry-type slag-conveying device, and said defeated slag device is installed on said casing 8 inside, comprises first drum apparatus 1, second tin roller device 2 and conveyer belt 3; Wherein, said first drum apparatus 1 and second tin roller device 2 are separately positioned on the two ends of said casing 8; Said conveyer belt 3 has the slag receiving plane, and said conveyer belt 3 is installed on said first drum apparatus 1 and the said second tin roller device 2, and said first drum apparatus 1 is applicable to said second tin roller device 2 and drives said conveyer belt 3 motions, realizes carrying.

Said dry-type slag-conveying device also comprises rigidity brush device 4 and chain type clearing apparatus 14.

Said rigidity brush device 4 is arranged on the said slag receiving plane of said conveyer belt 3; Be used for cooperating with the said bottom half loading end 19 of said casing transportation section 22; Drawback movement through conveyer belt 3 drives thin ash outlet 6 motions of thin ash on the bottom half loading end 5 that forms in casing collection section 21 on the said bottom half loading end 19 that is positioned at said casing transportation section 22, thereby the thin ash that will be positioned on the said bottom half loading end 19 of said casing transportation section 22 brings on the bottom half loading end 5 of said casing collection section 22.

Said chain type clearing apparatus 14 is arranged between the bottom half loading end 5 and said defeated slag device of said casing collection section 21; Chain clearing apparatus one end of said residue extraction mechanism is located at said casing collection section 21 and said casing transportation section 22 joints, and the other end is located at said thin ash outlet 6 places; Said chain type clearing apparatus 14 cooperates with the bottom half loading end 5 of said casing collection section 21; The said thin ash that will be positioned at the bottom half loading end 5 of said casing collection section 21 brings to said thin ash outlet 6 places, and from said thin ash outlet 6 said thin ash is discharged said casing 8.

Another kind of alternative set-up mode as said thin ash outlet 6; As shown in Figure 5; Said thin ash outlet 6 can form on the bottom half loading end 5 of said casing collection section 21 near said casing transportation section 22 1 ends, is preferably the joint that is arranged on said casing collection section 21 and said casing transportation section 22; The said thin ash that said rigidity brush device 4 will be positioned on the bottom half loading end 19 of said casing transportation section 22 brings to said thin ash outlet 6 places, and through said thin ash outlet 6 said thin ash is directly discharged casing 8; The thin ash that said chain type clearing apparatus 14 will be positioned on the bottom half loading end 5 of said casing collection section 21 brings to said thin ash outlet 6 places, and will the said casing 8 of said thin ash discharge through said thin ash outlet 6.

As shown in Figure 2; In order to prevent that the slag on the said conveyer belt 3 from dropping from the both sides of conveyer belt 3; Can set up anti-overflow plate 17 in the both sides of the said slag receiving plane of said conveyer belt 3, wherein, the guiding of said anti-overflow plate 17 is consistent with said conveyer belt 3 directions of motion.For the slag of discharging from said boiler slag removal mouth 9 more is discharged on the slag receiving plane of said conveyer belt 3 in the concentrated area; Preferred embodiment a kind of as in addition; As shown in Figure 2; Can also on said casing 8, stock guide 20 be set, said stock guide 20 is positioned at the top of said conveyer belt 3, is used for the slag that gets into residue extraction mechanism is guided to said steel band.

In addition; Above-mentioned residue extraction mechanism also comprises thin grey receiving system, and said thin grey receiving system is thin grey lifting device, wherein; Said thin grey lifting device comprises the thin grey receiving port 11 that is communicated with said thin ash outlet 6 sealings; With the thin grey outlet 12 that is communicated with said casing 8 tops, said thin grey lifting device receives the thin ash of discharging from said thin ash outlet 6, and it is promoted to said thin grey outlet 12 places is expelled on the said defeated slag device delivery band 3.Said thin grey lifting device can be preferably bucket elevator 13; Said thin grey receiving port 11 is the inlet that is positioned at the bucket elevator 13 of low level; Said thin grey outlet 12 is the outlet of bucket elevator 13, and said bucket elevator 13 is used for that the thin ash that gets into from said inlet is promoted to said exit and discharges.More than design can realize the automatic collection of thin ash and carry once more through conveyer belt 3.

Adopt the process of above-mentioned its deslagging of residue extraction mechanism to be: to make the defeated slag device delivery bands 3 that are installed on residue extraction mechanism casing 8 inside that slag is delivered to slag-drip opening 10 places of residue extraction mechanism, and discharge casing 8; The rigidity brush device 4 of said defeated slag device is cooperated with the bottom half loading end 19 of said casing transportation section 22; And the drawback movement through conveyer belt 3 drives thin ash outlet 6 motions of thin ash on the bottom half loading end 5 that forms in said casing collection section 21 on the bottom half loading end 19 that is positioned at said casing transportation section 22, with the bottom half loading end 19 of said thin ash band from said casing transportation section 22; When said thin ash outlet 6 forms in said casing collection section 21 with said casing transportation section 22 joints, make said rigidity brush device 4 that said thin ash is directly discharged said casing 8 through said thin ash outlet 6; When said thin ash outlet 6 formed on the said casing collection section 21 away from the 5 last times of bottom half loading end of said casing transportation section 22 1 ends, said rigidity brush device 4 is brought to said thin ash on the bottom half loading end 5 of said casing collection section 21.Simultaneously; The bottom half loading end 5 that is installed on said casing collection section 21 is cooperated with the bottom half loading end 5 of said casing collection section 21 with chain type clearing apparatus 14 between the said defeated slag device; Motion through said chain type clearing apparatus 14 drives thin ash on the bottom half loading end 5 of said casing collection section 21 to said thin ash outlet 6 motions, and will said thin ash through the said casing 8 of said thin ash outlet 6 discharges; The thin ash of discharging from said thin ash outlet 6 receives through said thin grey lifting device; Be promoted to said thin grey outlet 12 places by said bucket elevator 13 then; Be discharged at last on the said defeated slag device delivery band 3; Be transferred the top that is transported to said casing transportation section 22 with 3 with slag, finally enter sludge-store cabin 15 from said slag-drip opening 10.As selectable embodiment, the thin grey lifting device in the foregoing description can also be screw elevator or C shape scraper plate machine.

As a kind of preferred implementation wherein; Said rigidity brush device 4 is preferably and comprises brush holder 7 and the bar shaped brush body 18 of being located at said brush holder 7 tops; As shown in Figure 2; Said bar shaped brush body 18 vertically is provided with respect to said slag receiving plane, and said brush holder 7 can play the effect that the slag that is used to prevent on the said conveyer belt 3 moves along contrary conveyer belt 3 directions of motion.As a kind of preferred embodiment; Said rigidity brush device 4 also comprises the dismountable sheath (not showing in the accompanying drawing) that is arranged on said bar shaped brush body 18 peripheries; Said sheath can prevent that slag from clashing into said bar shaped brush body 18, thereby bar shaped brush body 18 has been played good protection.

For rigidity brush device 4 is protected; Preferred a kind of embodiment as a kind of residue extraction mechanism of the present invention; Said dried slag removing equipment also comprises the slag buffer unit, and said slag buffer unit is located at the slag inlet of said casing 8; And between the slag inlet of the outlet of the slag of slag well and the said casing 8 of said residue extraction mechanism, be used for the buffering that realization is moved to slag between the slag inlet of the slag outlet of said slag well and said casing 8.

As wherein a kind of embodiment of buffer unit, said buffer unit comprises grid device and is arranged on the hydraulic pressure pwc breaker on the said grid device.

Another kind of embodiment as buffer unit; Said buffer unit can also comprise the eccentric of being located at said grid device place; Between the slag inlet that said eccentric is positioned at said grid device exports with the slag of said slag well; Wherein, said eccentric comprises housing and the slag passage that forms in said enclosure interior, and said slag passage has feeder connection and channel outlet; Said feeder connection is communicated with the slag outlet of said slag well, and said feeder connection is communicated with the inlet of said grid device; The inwall of said slag passage has the obstruction structure that the slag to the said slag passage of flowing through slows down.

Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change according to varying in size of equipment.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.

Claims

1. dry-type slag-conveying device; Wherein, Said dry-type slag-conveying device is located at casing (8) inside of residue extraction mechanism; The said casing (8) of said residue extraction mechanism comprises the casing collection section (21) that is arranged at boiler slag removal mouth (9) below, and with the casing transportation section (22) that an end is connected with said casing collection section (21), the said casing transportation section other end has the slag-drip opening (10) that is positioned at a high position; The bottom half loading end (19) of said casing transportation section (22) and the angle of horizontal plane are less than the thin ash angle of resting in peace, and said dry-type slag-conveying device comprises;

First drum apparatus (1) and second tin roller device (2), said first drum apparatus (1) and second tin roller device (2) are separately positioned on the two ends of said casing (8);

Conveyer belt (3); Said conveyer belt (3) has the slag receiving plane; And said conveyer belt (3) is installed on said first drum apparatus (1) and the said second tin roller device (2); Said first drum apparatus (1) and said second tin roller device (2) are used to drive said conveyer belt (3) motion, realize carrying;

It is characterized in that, also comprise

Rigidity brush device (4); Said rigidity brush device (4) is arranged on the said slag receiving plane of said conveyer belt (3); Be used for cooperating with the said bottom half loading end (19) of said casing transportation section (22); Drawback movement through said conveyer belt (3) drives thin ash outlet (6) motion of thin ash on the bottom half loading end (5) that forms in said casing collection section (21) on the said bottom half loading end (19) that is positioned at said casing transportation section (22), thereby will be positioned at thin ash band on the said bottom half loading end (19) of said casing transportation section (22) from the bottom half loading end (19) of said casing transportation section (22).

2. defeated slag device according to claim 1 is characterized in that,

Said rigidity brush device (4) comprises brush holder (7) and is located at the bar shaped brush body (18) at said brush holder top that said bar shaped brush body vertically is provided with respect to said slag receiving plane.

3. defeated slag device according to claim 2 is characterized in that,

Said rigidity brush device (4) also comprises the dismountable sheath that is arranged on said bar shaped brush body (18) periphery, and said sheath is used to prevent that slag from clashing into said bar shaped brush body (18).

4. the residue extraction mechanism with the arbitrary said defeated slag device of claim 1-3 is characterized in that, comprises

Casing (8); Said casing (8) comprises the casing collection section (21) that is arranged at boiler slag removal mouth (9) below; The casing transportation section (22) that is connected with said casing collection section (21) with an end; Said casing transportation section (22) other end has the slag-drip opening (10) that is positioned at a high position; Be formed with thin ash outlet (6) on the bottom half loading end (5) of said casing collection section (21) away from an end of said casing transportation section (22), the bottom half loading end (19) of said casing transportation section (22) and the angle of horizontal plane are less than the thin ash angle of resting in peace;

Wherein, Said defeated slag device is installed on said casing (8) inside; The rigidity brush device (4) of said defeated slag device cooperates with the bottom half loading end (5,19) of said casing collection section (21) and said casing transportation section (22); The thin ash that drawback movement through conveyer belt (3) drives on the bottom half loading end (5,19) that is positioned at said casing collection section (21) and said casing transportation section (22) moves to said thin ash outlet (6); To be positioned at thin ash band on the said bottom half loading end (19) of said casing transportation section (22) from the bottom half loading end (19) of said casing transportation section (22); And bring on the bottom half loading end (5) of said casing collection section (21), and then the thin ash that will be positioned at the bottom half loading end (5) of said casing collection section (21) is discharged said casing (8) through said thin ash outlet (6).

5. residue extraction mechanism according to claim 4 is characterized in that, also comprises

Thin grey receiving system is communicated with said thin ash outlet (6) sealing, is used for receiving the thin ash that is discharged from from said thin ash outlet (6).

6. residue extraction mechanism according to claim 5 is characterized in that,

Said thin grey receiving system is thin grey lifting device; Wherein, Said thin grey lifting device comprises the thin grey receiving port (11) that is communicated with said thin ash outlet (6) sealing; With the thin grey outlet (12) that is communicated with said casing (8) top seal, said thin grey lifting device receives the thin ash of discharging from said thin ash outlet (6), and it is promoted to said thin grey outlet (12) locates to be expelled on the said defeated slag device delivery band (3).

7. residue extraction mechanism according to claim 6; It is characterized in that; Said thin grey lifting device is bucket elevator (13); Said thin grey receiving port (11) is the inlet that is positioned at the bucket elevator (13) of low level, and said thin grey outlet (12) is the outlet of bucket elevator (13), and said bucket elevator (13) is used for that the thin ash that gets into from said inlet is promoted to said exit and discharges.

8. according to the arbitrary described residue extraction mechanism of claim 4-7; It is characterized in that; Also comprise the slag buffer unit; Said slag buffer unit is located at the slag inlet of said casing (8), and between the slag inlet of the slag outlet that is positioned at the slag well and the said casing (8) of said residue extraction mechanism, is used for the buffering that realization is moved to slag between the slag inlet of the slag outlet of said slag well and said casing (8).

9. residue extraction mechanism according to claim 8; It is characterized in that; Said buffer unit also comprises grid device and the hydraulic pressure pwc breaker of being located at said grid device place; Said grid device is tackled the slag that goes out from said slag well array, and said hydraulic pressure pwc breaker is used for being carried out fragmentation by the slag of grid interception.

10. the residue extraction mechanism with each said defeated slag device of claim 1-3 is characterized in that, comprises

Casing (8); Said casing (8) comprises the casing collection section (21) that is arranged at boiler slag removal mouth (9) below; The casing transportation section (22) that is connected with said casing collection section (21) with an end; The other end of said casing transportation section (22) has the slag-drip opening (10) that is positioned at a high position; Be formed with thin ash outlet (6) on the bottom half loading end (5) of any end of said casing collection section (21), the bottom half loading end (19) of said casing transportation section (22) and the angle of horizontal plane are less than the thin ash angle of resting in peace;

Wherein, said defeated slag device is installed on said casing (8) inside, comprises the defeated slag device transportation section of the said transportation section (22) that is positioned at said casing (8) and is positioned at the defeated slag device collection section of the said collection section of said casing (8); The rigidity brush device (4) of said defeated slag device cooperates with the bottom half loading end (19) of said casing transportation section (22); Drawback movement through conveyer belt (3) drives thin ash on the bottom half loading end (19) that is positioned at said casing transportation section (22) to thin ash outlet (6) motion, and will said thin ash band leaves the bottom half loading end (19) of said casing transportation section (22);

Chain type clearing apparatus (14); Said chain type clearing apparatus (14) is arranged between the bottom half loading end (5) and said defeated slag device of said casing collection section (21); Said chain type clearing apparatus (14) cooperates with the bottom half loading end (5) of said casing collection section (21); Motion through said chain type clearing apparatus (14) drives thin ash on the bottom half loading end (5) of said casing collection section (21) to said thin ash outlet (6) motion, and said thin ash is discharged said casing (8) through said thin grey export (6).

11. residue extraction mechanism according to claim 10 is characterized in that,

Said thin ash outlet (6) forms in the joint of said casing collection section (21) and said casing transportation section (22); Said rigidity brush device (4) will be positioned at said thin ash on the bottom half loading end (19) of said casing transportation section (22) and bring to said thin ash outlet (6) and locate, and discharge casing (8); Said chain type clearing apparatus (14) will be positioned at thin ash on the bottom half loading end (5) of said casing collection section (21) and bring to said thin ash outlet (6) and locate, and discharge said casing (8) from said thin ash outlet (6).

12. residue extraction mechanism according to claim 10 is characterized in that,

Said thin ash outlet (6) forms in said casing collection section (21) and goes up on the bottom half loading end (5) away from said casing transportation section (22) one ends; The thin ash that said rigidity brush device (4) will be positioned on the bottom half loading end (19) of said casing transportation section (22) brings on the bottom half loading end (5) of said casing collection section (21);

Said chain type clearing apparatus (14) one ends are located at said casing collection section (21) and said casing transportation section (22) joint; The other end is located at said thin ash outlet (6) and is located, and said chain type clearing apparatus (14) will be positioned at thin ash on the bottom half loading end (5) of said casing collection section (21) and export (6) through said thin ash and discharge said casing (8).

13. according to claim 11 or 12 described residue extraction mechanisms, it is characterized in that, also comprise

Thin grey receiving system is communicated with said thin ash outlet (6) sealing, is used for collecting the thin ash that is discharged from from said thin ash outlet (6).

14. residue extraction mechanism according to claim 13 is characterized in that,

Said thin grey receiving system is thin grey lifting device; Wherein, Said thin grey lifting device comprises the thin grey receiving port (11) that is communicated with said thin ash outlet (6) sealing; With the thin grey outlet (12) that is communicated with said casing (8) top, said thin grey lifting device receives the thin ash of discharging from said thin ash outlet (6), and it is promoted to said thin grey outlet (12) locates to be expelled on the said defeated slag device delivery band (3).

15. residue extraction mechanism according to claim 14; It is characterized in that; Said thin grey lifting device is bucket elevator (13); Said thin grey receiving port (11) is the inlet that is positioned at the bucket elevator (13) of low level, and said thin grey outlet (12) is the outlet of bucket elevator (13), and said bucket elevator (13) is used for that the thin ash that gets into from said inlet is promoted to said exit and discharges.

16. according to the arbitrary described residue extraction mechanism of claim 10-15; It is characterized in that; Also comprise the slag buffer unit; Said slag buffer unit is located at the slag inlet of said casing (8), and between the slag inlet of the slag outlet that is positioned at the slag well and the said casing (8) of said residue extraction mechanism, is used for the buffering that realization is moved to slag between the slag inlet of the slag outlet of said slag well and said casing (8).

17. residue extraction mechanism according to claim 16; It is characterized in that; Said buffer unit also comprises grid device and the hydraulic pressure pwc breaker of being located at said grid device place; Said grid device is tackled the slag that goes out from said slag well array, and said hydraulic pressure pwc breaker is used for being carried out fragmentation by the slag of grid interception.

18. a Slagoff method that uses the described residue extraction mechanism of claim 4 is characterized in that, comprises following steps:

The defeated slag device delivery band (3) that is installed on residue extraction mechanism casing (8) inside is located the slag-drip opening (10) that slag is delivered to residue extraction mechanism, and discharge casing (8);

The rigidity brush device (4) of said defeated slag device is cooperated with the bottom half loading end (5,19) of casing collection section (21) and casing transportation section (22); And the thin ash outlet (6) of thin ash on the bottom half loading end (5) that forms in casing collection section (21) that the drawback movement through conveyer belt (3) drives on the bottom half loading end (5,19) that is positioned at said casing collection section (21) and said casing transportation section (22) moved; To be positioned at thin ash band on the said bottom half loading end (19) of said casing transportation section (22) from the bottom half loading end (19) of said casing transportation section (22); And bring on the bottom half loading end (5) of said casing collection section (21), and then the thin ash that will be positioned at the bottom half loading end (5) of said casing collection section (21) is discharged said casing (8) through said thin ash outlet (6).

19. Slagoff method according to claim 18 is characterized in that, said residue extraction mechanism also comprises thin grey receiving system, and said thin grey receiving system is communicated with said thin ash outlet (6) sealing;

Said Slagoff method comprises that also adopting said thin grey receiving system to receive from said thin ash exports the thin ash that (6) are discharged from.

20. Slagoff method according to claim 19 is characterized in that,

Said thin grey receiving system is thin grey lifting device, and wherein, said thin grey lifting device comprises thin grey receiving port (11) that is communicated with said thin ash outlet (6) sealing and the thin grey outlet (12) that is communicated with said casing (8) top seal; The thin ash of discharging from said thin ash outlet (6) receives through said thin grey lifting device, is promoted to said thin grey outlet (12) then and locates, and is discharged at last on the said defeated slag device delivery band (3).

21. Slagoff method according to claim 20 is characterized in that,

Said thin grey lifting device is bucket elevator (13), and said thin grey receiving port (11) is the inlet that is positioned at the bucket elevator (13) of low level, and said thin grey outlet (12) is the outlet of bucket elevator (13);

The thin ash that gets into from said inlet is promoted to said exit by said bucket elevator (13) and discharges.

22. a Slagoff method that uses the described residue extraction mechanism of claim 10 is characterized in that, comprises following steps:

The defeated slag device delivery band (3) that is installed on residue extraction mechanism casing (8) inside is located the slag-drip opening (10) that slag is delivered to residue extraction mechanism, and discharge said casing (8);

The rigidity brush device (4) of said defeated slag device is cooperated with the bottom half loading end (19) of said casing transportation section (22); And the drawback movement through conveyer belt (3) drives thin ash outlet (6) motion of thin ash on the bottom half loading end (5) of any end that forms in said casing collection section (21) on the bottom half loading end (19) that is positioned at said casing transportation section (22), will said thin ash band leaves the bottom half loading end (19) of said casing transportation section (22);

The bottom half loading end (5) that is installed on said casing collection section (21) is cooperated with the bottom half loading end (5) of said casing collection section (21) with chain type clearing apparatus (14) between the said defeated slag device; Motion through said chain type clearing apparatus (14) drives thin ash on the bottom half loading end (5) of said casing collection section (21) to said thin ash outlet (6) motion, and will said thin ash exports (6) from said thin ash and discharge said casing (8).

23. Slagoff method according to claim 22 is characterized in that,

The thin ash outlet (6) of said residue extraction mechanism forms in the joint of said casing collection section (21) and said casing transportation section (22);

Wherein, be positioned at said thin ash on the bottom half loading end (19) of said casing transportation section (22) and brought to said thin ash outlet (6) through said rigidity brush device and locate, and be discharged from said casing (8).

24. Slagoff method according to claim 23 is characterized in that,

Said residue extraction mechanism also comprises thin grey receiving system, and said thin grey receiving system is communicated with said thin ash outlet (6) sealing;

25. Slagoff method according to claim 24 is characterized in that,

Said thin grey receiving system is thin grey lifting device, and said thin grey lifting device comprises thin grey receiving port (11) that is communicated with said thin ash outlet (6) sealing and the thin grey outlet (12) that is communicated with said casing (8) top seal;

Wherein, the said thin ash of discharging from said thin ash outlet (6) receives through said thin grey lifting device, is promoted to said thin grey outlet (12) then and locates, and is drained at last on the said defeated slag device delivery band (3).

26. Slagoff method according to claim 25 is characterized in that,

The thin ash that gets into from said inlet is promoted to said exit by said bucket elevator (13), drains into then on the said conveyer belt (3) of said defeated slag device.

27. Slagoff method according to claim 26 is characterized in that,

The said thin ash outlet (6) of said residue extraction mechanism forms in said casing collection section (21) and goes up on the bottom half loading end (5) away from said casing transportation section (22) one ends; Chain clearing apparatus one end of said residue extraction mechanism is located at said casing collection section (21) and said casing transportation section (22) joint, and the other end is located at said thin ash outlet (6) and is located;

Wherein, The thin ash that is positioned on the bottom half loading end (19) of said casing transportation section (22) is brought on the bottom half loading end (5) of said casing collection section (21) by said rigidity brush device (4); Be positioned at thin ash on the bottom half loading end (5) of said casing collection section (21) and will be brought to said thin ash outlet (6) by said chain type clearing apparatus (14) and locate, and discharge said casing (8) from said thin ash outlet (6).

28. Slagoff method according to claim 27 is characterized in that,

Said residue extraction mechanism also comprises thin grey receiving system, and said thin grey receiving system is communicated with said thin ash outlet (6) sealing, receives the thin ash that is discharged from from said thin ash outlet (6);

29. Slagoff method according to claim 28 is characterized in that,

Said thin grey receiving system is thin grey lifting device, and wherein, said thin grey lifting device comprises thin grey receiving port (11) that is tightly connected with said thin ash outlet (6) and the thin grey outlet (12) that is communicated with said casing (8) top; The thin ash of discharging from said thin ash outlet (6) is received by said thin grey lifting device, and is promoted to said thin grey outlet (12) and locates, and is expelled to then on the said defeated slag device delivery band (3).

30. Slagoff method according to claim 29 is characterized in that,