CN207316946U - Block-resistant type chimney heat exchanger with automatic ash removing function - Google Patents

Abstract

It the utility model is related to a kind of block-resistant type chimney heat exchanger with automatic ash removing function, including the anti-blocking apparatus for ash of flue and flue deashing device, the anti-blocking apparatus for ash of flue includes the multiple sideboards being arranged in flue, the sideboard is drivingly connected by Multi-section positioner and electric rotating machine, the flue deashing device includes horizontal ash bucket, horizontal auger is equipped with below the ash bucket, the bottom of the ash bucket is connected with the top of the auger, the cross section of the ash bucket and vertical sectional shape are up big and down small inverted trapezoidal structure, level-sensing device is equipped with the ash bucket, afterbody one end of the auger is equipped with ash discharging hole.The utility model is simple in structure, dependable performance, the area of passage of flue can be changed according to flue gas flow, and then maintain and control the flue gas flow rate in flue, flue dust is taken away with flue gas, solve the problems, such as to block up ash caused by dust deposition, and dust stratification can be removed, improve the security and economy of boiler operatiopn.

Description

Block-resistant type chimney heat exchanger with automatic ash removing function

Technical field

A kind of block-resistant type chimney heat exchanger with automatic ash removing function is the utility model is related to, belongs to boiler technology neck Domain.

Background technology

At present in the operation of Industrial Boiler, actual exhaust gas temperature is higher than design exhaust gas temperature, with national energy-saving emission reduction political affairs Plan is implemented, and heat exchanger is installed additional in boiler back end ductwork in part power plant（Low-level (stack-gas) economizer or phase-change heat-exchanger etc.）To reduce cigarette Temperature, so as to improve efficiency of energy utilization, improve atmosphere quality, ensure supply of electric power safety.

Since back-end ductwork flying dust concentration is larger（40g/m3~80g/m3）And flue gas flow rate is low during underrun, cause Heat exchanger body bottom and front dust deposit in flue problem are serious.The deashing of traditional heat exchanging device mainly passes through soot blower heat exchanging Device surface is purged, seldom the problem of considering heat exchanger section dust deposit in flue.When dust stratification is serious, heat exchanger can be caused effectively to change The problems such as hot area is reduced, flue gas actual internal area diminishes, boiler positive pressuring combustion, so as to cause boiler output deficiency, smoke evacuation damage Increase, thermal efficiency reduction are lost, influences safe operation of the boiler, economical operation.

Utility model content

Changed in order to solve the above technical problems, the utility model provides a kind of block-resistant type flue with automatic ash removing function Hot device, can either effectively reduce dust deposit, prevent flue blockage, and can effectively remove in chimney heat exchanger body preceding pipeline Dust stratification.

The technical solution of the utility model is：

A kind of block-resistant type chimney heat exchanger with automatic ash removing function, including flue and the flue on flue change Hot device body, is equipped with the anti-blocking apparatus for ash of flue and flue deashing device before the chimney heat exchanger body, the flue is prevented Stifled apparatus for ash includes the multiple sideboards for being arranged on flue cavity top, described before the flue deashing device Flue deashing device includes horizontal ash bucket, the ash bucket open top in the flue bottom surface on front side of the heat exchanger body, Horizontal auger is equipped with below the ash bucket, the bottom of the ash bucket is directly connected with the top of the auger（That is hopper bottom Do not set between auger top or do not set spacer substantially）Or connected by the ash hole on grey bottom sheet.

Preferably, the top of the flue is equipped with horizontal shaft, and described turn is fixed or be rotatablely connected to the sideboard Axis：

When by the way of being fixedly connected, the sideboard passes through shaft described in welding or pin connection, the shaft It is drivingly connected with 90 ° of rotating electric rotating machines of both forward and reverse directions, the electric rotating machine drives the sideboard to rotate and stop at 0-90 ° of any angular position, adjusts the size of flue cross section, controls the flow velocity of flue gas；

When by the way of rotation connection, the sideboard is drivingly connected by Multi-section positioner and electric rotating machine, The electric rotating machine adjusts one or more sideboards by the Multi-section positioner and is turned on and off, and adjusts flue and cuts The size in face, controls the flow velocity of flue gas.

Preferably, the positioning hop count of the Multi-section positioner is no less than the quantity of the sideboard, each active catch Plate is respectively equipped with respective shaft, and the sideboard is by way of the Multi-section positioner is drivingly connected with electric rotating machine The input terminal of the shaft of each sideboard is equipped with the location structure supporting with the Multi-section positioner, the electric rotating machine Output shaft connects the input terminal of the Multi-section positioner by shaft coupling or retarder, the positioning end of the Multi-section positioner with it is each Location structure in shaft is engaged.

Preferably, the sideboard is rotatably connected by connecting mechanism for rotating with its shaft, and the sideboard with Adjustable rotary positioning pin is equipped between its shaft, the adjustable rotary positioning pin is installed on sideboard, corresponding institute Stating circumferentially distributed in shaft has multiple location holes.

Preferably, the cross section of the ash bucket and vertical sectional shape are up big and down small inverted trapezoidal structure, the ladder Two base angle angles are preferably 90-130 ° below shape structure.

Preferably, the ash hole on the grey bottom sheet is one or more strip holes extended laterally or some transverse directions point The through hole of cloth, such as rectangular through-hole, the breadth-first of the strip hole are not more than the 1/3 of ash bucket baseplate width, and the rectangle leads to The breadth-first in hole is not less than the 2/3 of ash bucket baseplate width, by the setting of these through holes, can better ensure that sending for auger Grey effect, avoids the ash in auger from moving up and down and weaken the promotion effect of auger flight, and the ash discharging hole of the auger is set In the bottom of auger afterbody, the ash discharging hole of the auger can access（Refer to any connection mode or opposite that ash discharge can enter Position relationship）The pneumatic ash conveying pipe or V-belt conveying device being disposed below.

Preferably, the head of the auger is connected with the auger motor for driving auger helical axis, the auger motor Outside the conveying housing of the auger.

Preferably, one or more level-sensing devices are equipped with the ash bucket, when the material position is calculated as multiple, between transversely waiting Every distribution, piling height grey in ash bucket can be obtained by level-sensing device, after certain height is reached, passes through control device control Auger work processed, if still having certain dust stratification height after a certain period of time in auger work, prompts auger conveying failure Or there are the problems such as dust stratification bonding, it can use and start rapping apparatus or using other Inspection and maintenance measures.

Preferably, the ash bucket is equipped with ash bucket rapping apparatus, and the ash bucket rapping apparatus to ash bucket by carrying out rapping, energy Enough ashes for promoting to accumulate or being bonded in ash bucket fall into auger.

Preferably, it is equipped with the flue and is used to the bottom of bottom surface dust stratification push-in ash bucket top inlet scraping hawk, it is described Bottom scrapes hawk and scrapes ash driving motor equipped with the bottom being drivingly connected with it, so as to which the ash being deposited on flue bottom surface is scraped ash charge Bucket.

The beneficial effects of the utility model are：

The utility model rationally adjusts flow area in the case where former flue is constant, by varying the flow field of former flue Speed mitigates the relative load to follow-up air-introduced machine so as to taking away flue dust, while it is grey to solve the problems, such as that former flue blocks up, simple in structure, Dependable performance, improves the security and economy of boiler operatiopn；Ash bucket is set in the inlet of afterbody heat exchanger body and is adopted Dust stratification, simple in structure, dependable performance are removed with auger；It can be set on the top of flue and the mirror-symmetrical chamber of ash bucket, energy Enough make flue gas relatively more steady in flow process, and increase the sectional area of flue at ash bucket, flue gas flow rate is reduced and is deposited In ash bucket, to reduce the flying dust into afterbody heat exchanger body, and then the abrasion or dust stratification blocking of heat exchanging device body are reduced； The section of ash bucket is using up big and down small trapezoidal, angle of repose 50 ° of the angle of inclination not less than dust, it is ensured that dust is slipped to Hopper bottom, does not stop on side wall；Hawk is scraped by being set in flue, the dust stratification of flue other positions can be removed, Blow hawk and use the inclined trapezoidal plate of downward wind direction, form a kind of effect of spout, increase the flowing velocity of flue gas, reduce dust Deposition.

Brief description of the drawings

Fig. 1 is the schematic diagram of the utility model embodiment；

Fig. 2 is the schematic diagram of the utility model another embodiment；

Fig. 3 is side schematic view shown in Fig. 2；

Fig. 4 is the schematic diagram of the anti-blocking apparatus for ash embodiment of the utility model flue；

Fig. 5 is the schematic diagram of the anti-blocking apparatus for ash another embodiment of the utility model flue；

Fig. 6 is the schematic diagram of rotary positioning apparatus in embodiment illustrated in fig. 5；

Fig. 7 is sideboard blend stop position view in embodiment illustrated in fig. 5.

Embodiment

The utility model is described further below in conjunction with the accompanying drawings.

As shown in Fig. 1-Fig. 7, a kind of block-resistant type chimney heat exchanger with automatic ash removing function is the utility model is related to, is wrapped Include chimney heat exchanger body and the anti-blocking apparatus for ash of flue and flue deashing device before chimney heat exchanger body.

It is a kind of embodiment of the anti-blocking apparatus for ash of flue described in the utility model shown in Fig. 4, including flue 1 and is arranged on Chimney heat exchanger body 60 on flue, the chimney heat exchanger body can use the prior art of any suitable, for cigarette The waste heat recovery of road gas and smoke temperature are adjusted, with cold medium by the thermal energy in indirect type heat exchange method absorption flue gas, equipped with cold Medium entrance and outlet 62, are equipped with multiple sideboards 2 in the flue, the main executive item as the anti-blocking apparatus for ash of flue, The area of passage of flue is blocked or do not blocked by sideboard, realizes adjusting and maintenance to flue gas wind speed.The activity Baffle is located at the top of the flue and is drivingly connected by Multi-section positioner 21 and electric rotating machine 5, when Multi-section positioner is in During different positioning states, will realize and be located by connecting from different sideboard, so realize electric rotating machine with this/these are determined Drive connection between the sideboard of position connection, from there through the positioning states for changing Multi-section positioner so that electric rotating machine Different sideboards/sideboard combination rotation can be driven, the different occlusion effects to flue is realized, changes the overcurrent of flue Area.

The positioning hop count of the Multi-section positioner is preferably no less than the quantity of the sideboard, so as to realize more Flue area of passage.

Each sideboard can be respectively equipped with respective shaft, the sideboard by the Multi-section positioner with The mode that electric rotating machine is drivingly connected can be that the input terminal of the shaft of each sideboard is equipped with and the Multi-section positioner Supporting location structure, the output shaft of the electric rotating machine connect the input of the Multi-section positioner by shaft coupling or retarder End, the positioning end of the Multi-section positioner is engaged with the location structure in each shaft, from there through being located by connecting for countershaft Realization is located by connecting sideboard.

The Multi-section positioner can use the prior art of any suitable, as long as can be real by varying its positioning states Existing different positioning connections that its is combined with sideboard or sideboard, location structure in the shaft can be according to Set according to the specific requirement of used Multi-section positioner, so as to be engaged with the positioning end of Multi-section positioner, work as multistage When locator is in different positioning states, its positioning end combined with different shafts or different shafts between by positioning knot accordingly Structure is located by connecting（Position, which is fixed, not to be allowed to rotate against between the two in other words）, when electric rotating machine rotates, determined by multistage Position device drives the shaft fixed with its position or shaft to combine and together rotate.

For example, a kind of simple embodiment is：The shaft of each sideboard uses coaxial sleeve form, the end of each shaft Set on face and be inserted into the notch or pin hole of positioning pin, the Multi-section positioner be equipped with an outlet side connect electric rotating machine and The coaxial transmission shaft with each shaft, is additionally provided with a disk for being installed on transmission shaft outlet side, being set on the disk can The one or more positioning pins coordinated from the notch in different shafts or pin hole, by positioning pin be inserted into notch in respective axes of rotation or In pin hole, being located by connecting between the transmission shaft of Multi-section positioner and the shaft of sideboard is achieved that（Cannot opposite rotation Turn）, when thus electric rotating machine rotates, it becomes possible to drive respective axes of rotation and then drive respective activity baffle to rotate together with.It is described fixed Position pin can use the form of any suitable, for example, a kind of simple mode is that through hole or tapped through hole, people are equipped with disk Work by positioning pin from the through hole or threaded hole through insertion respective axes of rotation on notch or pin hole, can also use similar principles with Motor machine mode realizes this insertion.

As needed, the shaft of each sideboard can not also be coaxial, is respectively equipped with respective transmission mechanism, each shaft The input terminal of transmission mechanism connects the output gear of electric rotating machine by the gear type multistage clutch as Multi-section positioner, when When gear type multistage clutch is in different conditions, different shafts or shaft can be driven to combine and rotate.

The sideboard can be rotatably connected by connecting mechanism for rotating 22 with its shaft, and the sideboard and its Adjustable rotary positioning pin 22 is equipped between shaft.The connecting mechanism for rotating can use the prior art of any suitable, example As bearing or axle sleeve, or the connection structure that optical axis coordinates with unthreaded hole, the adjustable rotary positioning pin may be mounted at activity It is circumferentially distributed in the corresponding shaft to have multiple location holes on baffle, when determining for change adjustable rotary positioning pin insertion During the hole of position, just change circumferentially fixed position of the sideboard relative to its shaft, be achieved in sideboard and its shaft it Between setting angle adjusting.And then realize the angular adjustment between sideboard and electric rotating machine, change electric rotating machine one and position Put angle of inclination of the lower sideboard in flue.

It is the another embodiment of the anti-blocking apparatus for ash of flue described in the utility model shown in Fig. 5-Fig. 7, including flue, sets The main shaft in flue and the one or more sideboards 2 being arranged in flue are put, the main shaft 10 is located in the flue Top, ensure that flue is unimpeded, the sideboard is rotatably connected on the main shaft, the sideboard and the main shaft it Between be equipped with rotary positioning apparatus 4.

The sideboard and the main shaft are connected by disengaging type connecting mechanism for rotating 3, and the main shaft is equipped with limitation The baffle ring or block of the disengaging type connecting mechanism for rotating axial movement, when disengaging type connecting mechanism for rotating is opened, disengaging type Connecting mechanism for rotating relatively rotates, when disengaging type connecting mechanism for rotating is closed, disengaging type connecting mechanism for rotating and principal shaft locking And revolve round the sun with main shaft.The disengaging type connecting mechanism for rotating can use the prior art of any suitable, such as：Rubber voussoir knot Structure, torsional spring structure, magnet moment of torsion torsion structure and hydraulic rotary rotation structure etc..

The sideboard is rectangle, when the sideboard quantity for it is multiple when, the sideboard with it is described Flue gas flow direction is vertical and transversely arranged successively in flue, and certain spacing is equipped between the adjacent sideboard.

The rotary positioning apparatus 4 includes sideboard positioning pin 12 and sideboard location hole 11, the sideboard Positioning pin is arranged on the upper end of the sideboard and is set with the sideboard elastic connection, the sideboard location hole On the main shaft, the location hole a, location hole b and location hole c are identical with the sideboard positioning pin quantity, each described The circumferentially spaced 90 ° of distributions of location hole.

The sideboard location hole is slidably matched with sideboard positioning pin, and the spring 13 is determined with the sideboard The tail end of position pin is connected, and the location hole that sideboard positioning pin is pushed to main shaft by spring causes rotary positioning apparatus and main shaft phase Positioning.

This anti-blocking apparatus for ash further includes two stents 6 or 7, and the stent is separately mounted to the both sides at the top of flue, Between described two stents, the both ends of the main shaft are connected the sideboard with the holder pivots of corresponding side respectively.

The main shaft positioning device 9 includes main shaft orientation pin 9 and main shaft orientation hole, and the main shaft orientation hole is arranged on described On main shaft, the main shaft orientation pin is arranged on the upper end or outside of a stent, the main shaft orientation hole and the main shaft Positioning pin is slidably matched, and the quantity in the main shaft orientation hole is three and circumferentially spaced 90 ° of settings.

The three-stage positioner is equipped with positioning pin controller, the positioning pin controller and the fixed locating stud One end is connected, the adjustable location pin controller；The prior art of any suitable can be used, such as：Spring reset, electricity Magnet valve, hydraulic valve and cylinder etc..

As shown in fig. 7, being additionally provided with sideboard blend stop 12 in the flue, the sideboard blend stop is located at the activity Windward side when baffle is perpendicular to flue is simultaneously parallel with the main shaft, and the both ends of the sideboard blend stop are fixed on the cigarette The both sides in road, the sideboard blend stop ensure that sideboard can be perpendicular to flue to limit the transition of sideboard rotation Normally keep out the wind.

This anti-blocking apparatus for ash further includes electric rotating machine 5, and the electric rotating machine is installed on one end of the main shaft, the rotation Rotating motor is fixed on the lateral surface of the stent, and one or more pressure for being used to detect flue gas pressures are equipped with the flue and are passed Sensor is used for detecting the through-flow flow velocity of flue gas.

The specific working mode of the anti-blocking apparatus for ash of flue described in the utility model can be：

1st, low-load is worked as（Boiler load is less than 50%）When flue flow velocity to be most slow, at this moment three-stage positioner is transferred to most Big gear, electric rotating machine rotation three pieces sideboard are all set to open state, so that flow area is minimum, and wind speed is protected Demonstrate,prove the particulate matter in taking away flue dust in the case of the not dust stratification.

2nd, when medium（When boiler load is between 50%-75%）Flue flow velocity is medium during load, and at this moment three-stage positions Device is transferred to intervening gears, and motor rotation three pieces sideboard is two panels or a piece of open mode, so that flow area root Change according to load and change, and wind speed ensures to take away the particulate matter in flue dust in the case of not dust stratification.

3rd, high load is worked as（Boiler load is higher than 75%）When flue flow velocity to be most fast, at this moment three-stage positioner is transferred to most Small gear, motor rotation three pieces sideboard are all set to off status, so that flow area is maximum, and wind speed ensures The particulate matter in flue dust is not taken away in the case of dust stratification.

As shown in Figure 1-Figure 3, flue deashing device described in the utility model, including ash bucket 33 and it is arranged on the ash bucket Following auger 34, the ash bucket 33 be arranged on the bottom of heat exchanger body windward side flue entrance 51 and with 1 vertical cloth of flue Put, found in practice, due to the effect of the factors such as the dead weight of flows decrease and dust, the position at heat exchanger body entrance 51 A large amount of dust stratifications can be produced, set ash bucket 33 to collect dust and by setting auger 34 to discharge dust stratification.

When the auger 34 starts, due to produced by the own wt and dust of dust and the side wall of the ash bucket 33 Frictional force, dust is not rotated with together with the helical blade of the auger 34, can only be in the helical blade of the auger 34 Push is lower to be moved forward.

Preferably, the cross section of the ash bucket 33 and vertical sectional shape are up big and down small inverted trapezoidal structure, easy to ash Dirt gathers collection, and two base angle angles are 90-130 ° below the inverted trapezoidal structure, the ash bucket 33 under this angle Two side walls inclination angle all be not less than 50 °, more than the angle of repose of dust, dust falls can slide automatically on side wall.

Preferably, level-sensing device 31 is equipped with the ash bucket 33, the level-sensing device 31 is arranged on any one of the ash bucket 33 The position at end, preferably adjacent to described spiral one end for stirring 4 imperial afterbodys, the auger 34 is passed through by the way of intermittent work The level-sensing device 31 can observe the amount of dust collected in the ash bucket 33, and when amount of dust is larger, it is clear to start the auger 34 Except dust stratification, remove and close the auger 34 after completing.

Preferably, the head of the auger 34 is connected with auger motor 35, for driving the rotation of the auger, by auger Motor is placed in the outside of conveying housing, is conducive to electric motor protecting.

Preferably, the ash bucket 33 is equipped with ash discharging hole 32 in afterbody one end of the auger 34, in the spiral shell of the auger 34 Under the promotion of vane piece, dust is admitted to the ash discharging hole 32 and exports, and the ash discharging hole 32 is located at the bottom of the auger afterbody Face simultaneously connects grey storehouse by pneumatic ash conveying pipe, and the pneumatic ash conveying pipe is equipped with pneumatic ash conveying plant, there is provided power is by dust Grey storehouse is sent into, V-belt conveying device etc. can also be used.

Preferably, the pneumatic ash conveying plant is pumped using storehouse.

Preferably, ash bucket rapping apparatus can be provided with the ash bucket, the ash bucket rapping apparatus can include setting Shaft 44 and multiple cams 45 for being arranged in shaft outside flue and along the extension of flue direction, with the rotation of shaft 44, The cam 45 can tap walling of flue, vibrate flue and slide dust.

Alternatively, the ash bucket rapping apparatus can use can arbitrarily producing for the prior art to vibrate and dust is dropped Mode, for example with electric and magnetic oscillation, pneumatic or directly with manually along the mode of ash bucket percussion.

Preferably, it is equipped with the flue 1 and scrapes hawk 42, the hawk 42 of scraping is trapezoidal tabular, longer base and cigarette Road inner wall is in contact and wind direction tilts downwards.

Preferably, the quantity for scraping hawk 42 is one or four, should when the quantity for scraping hawk 42 is one Scrape hawk and be properly termed as bottom surface and scrape hawk, the longer base for scraping hawk 42 and inner wall on the downside of flue（That is flue bottom surface）Phase Contact；When the quantity for scraping hawk 42 is four, each longer base for scraping hawk 42 four with flue respectively Inner wall is in contact, each described to scrape hawk 42 and cooperate and weld to form pyramidal structure.

The front scraped hawk 42 and be located at heat exchanger body under normal conditions, its stroke, which should usually cover, is easy to dust stratification All or big portion region, scrape hawk and can not only play and scrape grey effect, and as a result of it is above-mentioned it is special scrape grey plate shape, So that the flue cross section in exit is gradually reduced the structure to form similar spout, accelerates the flowing of flue gas, reduce and subsequently exchanging heat The deposition produced in device body, the hawk 42 of scraping can slide along flue 1 and scrape to enter into flue by the dust stratification in flue inner wall In ash bucket 33 at mouthful.

Preferably, be equipped with the leading screw 41 extended along flue direction in the flue 1, it is described scrape hawk 42 be equipped with it is described 41 matched nut of leading screw or threaded hole, one end connection clockwise and anticlockwise motor of the leading screw 41, pass through the rotation of the motor The leading screw is driven to rotate, the hawk 42 of scraping is moved linearly simultaneously by the effect of the nut or threaded hole along the leading screw 41 Ash is scraped, when motor reversely rotates, the leading screw 41 reversely rotates, and the hawk 42 of scraping moves backward and returns to flue outlet Place.

The set-up mode of the leading screw 41 is symmetrical arranged two preferably adjacent to stack base inner wall, to the bottom for scraping hawk Portion both ends exert a force at the same time, make the back-and-forth motion scraped the steady nothing of hawk 42 and rocked；, can be in cigarette when scraping hawk using four The inner wall of the upper and lower part in road sets two leading screws 41 respectively, can also be respectively provided with two leading screws in four inner walls of flue 41。

Preferably, 1 top of flue is equipped with chamber 43 mirror-symmetrical with ash bucket with 33 opposite position of ash bucket, makes cigarette The flowing of gas is more steady, will not deflect to some direction, and increases the sectional area of flue 1 at ash bucket, reduces flue gas Flow velocity makes more dust deposits in the ash bucket 33.

When each power section/driving device uses electric electric-controlled device, power control cabinet can be set to control each power part Point and/or driving device work, and can be by pre-set programs and/or the signal gathered according to related sensor, according to existing There is technology to realize these controls.

Disclosed in the utility model it is each preferably with optional technological means, unless otherwise indicated and a preferred or optional skill Art means are outer for the further restriction of another technological means, can form some different technical solutions in any combination.

Claims (10)

1. a kind of block-resistant type chimney heat exchanger with automatic ash removing function, including flue and the flue heat exchange on flue Device body, it is characterised in that the anti-blocking apparatus for ash of flue and flue deashing device, institute are equipped with before the chimney heat exchanger body Multiple sideboards that the anti-blocking apparatus for ash of flue includes being arranged on flue cavity top are stated, before the flue deashing device Face, the flue deashing device include horizontal ash bucket, and the ash bucket open top is in the cigarette on front side of the heat exchanger body Road bottom surface, is equipped with horizontal auger below the ash bucket, the bottom of the ash bucket directly connected with the top of the auger or Connected by the ash hole on grey bottom sheet.

2. the block-resistant type chimney heat exchanger according to claim 1 with automatic ash removing function, it is characterised in that the cigarette The top in road is equipped with horizontal shaft, and the shaft is fixed or be rotatablely connected to the sideboard：

When by the way of being fixedly connected, the sideboard by shaft described in welding or pin connection, the shaft with just The rotating electric rotating machine of 90 ° of opposite direction is drivingly connected；

When by the way of rotation connection, the sideboard is drivingly connected by Multi-section positioner and electric rotating machine.

3. the block-resistant type chimney heat exchanger according to claim 2 with automatic ash removing function, it is characterised in that described more The positioning hop count of section locator is no less than the quantity of the sideboard, and each sideboard is respectively equipped with respective shaft, The sideboard is the shaft of each sideboard by way of the Multi-section positioner and electric rotating machine are drivingly connected Input terminal be equipped with the location structure supporting with the Multi-section positioner, the output shaft of the electric rotating machine by shaft coupling or subtracts Fast device connects the input terminal of the Multi-section positioner, and the positioning end of the Multi-section positioner matches with the location structure in each shaft Close.

4. the block-resistant type chimney heat exchanger according to claim 3 with automatic ash removing function, it is characterised in that the work Dynamic baffle is rotatably connected by connecting mechanism for rotating with its shaft, and adjustable rotary is equipped between the sideboard and its shaft Turn positioning pin, the adjustable rotary positioning pin is installed on sideboard, in the corresponding shaft it is circumferentially distributed have it is more A location hole.

5. according to any block-resistant type chimney heat exchangers with automatic ash removing function of claim 1-4, it is characterised in that The cross section of the ash bucket and vertical sectional shape are up big and down small inverted trapezoidal structure, two below the inverted trapezoidal structure Base angle angle is preferably 90-130 °.

6. the block-resistant type chimney heat exchanger according to claim 5 with automatic ash removing function, it is characterised in that the ash The strip holes or the through hole of some cross direction profiles that ash hole on bottom sheet extends laterally for one or more, the row of the auger Grey mouth is arranged on the bottom of auger afterbody.

7. the block-resistant type chimney heat exchanger according to claim 6 with automatic ash removing function, it is characterised in that the strand The head of dragon is connected with the auger motor for driving auger helical axis, and the auger motor is located at the conveying housing of the auger Outside.

8. the block-resistant type chimney heat exchanger according to claim 7 with automatic ash removing function, it is characterised in that the ash One or more level-sensing devices are equipped with bucket, when the material position is calculated as multiple, are transversely spacedly distributed.

9. the block-resistant type chimney heat exchanger according to claim 8 with automatic ash removing function, it is characterised in that the ash Bucket is equipped with ash bucket rapping apparatus.

10. the block-resistant type chimney heat exchanger according to claim 8 with automatic ash removing function, it is characterised in that the cigarette It is equipped with road and is used to the bottom of bottom surface dust stratification push-in ash bucket top inlet scraping hawk, the bottom is scraped hawk and is equipped with is driven with it Scrape ash driving motor in the bottom of connection.