CN213146542U - Many thorax furnaces of clean type - Google Patents

Abstract

The utility model belongs to the technical field of solid waste handles, especially, relate to a many thorax stoves of clean type, it includes the stove outer covering, and exhanst gas outlet and feed inlet have been seted up on the top of stove outer covering to the vertical setting of stove outer covering, and row's cinder notch has been seted up to the bottom of stove outer covering, is provided with the stone or metal plate in the stove outer covering and harrow the device, stone or metal plate and stove outer covering fixed connection, and the harrow the device includes axis and rake arm, and the axis rotates with the stove outer covering to be connected, and centraxonial top stretches out stove outer covering fixedly connected with drive arrangement, rake arm and axis fixed connection, be provided with a plurality of doctor-bar on the rake arm, be provided with the installation component between doctor-. The utility model discloses a many thorax stove space utilization is big, and furnace thermal efficiency is high, and the waste gas that produces in many thorax stove discharges after cleaning device's cleanness, has the effect that reduces the pollution of many thorax stoves to the surrounding air.

Description

Many thorax furnaces of clean type

Technical Field

The utility model belongs to the technical field of solid waste handles and specifically relates to a many thorax stoves of clean type are related to.

Background

At present, along with the improvement of the living standard of people, organic solid wastes are more and more, the existing organic solid wastes are usually incinerated when being treated, the pollution caused by the incineration of the organic solid wastes is large, a multi-hearth furnace is used for pyrolyzing the organic solid wastes at present, the atmospheric pollution can be effectively reduced, and the organic solid wastes can be comprehensively recycled.

The prior art can refer to chinese patent with publication number CN201149428Y, which discloses a multi-hearth furnace, which comprises a furnace shell, a furnace disc, a raking device, a feeding hole, a slag discharge port and a flue gas outlet, wherein the furnace disc is fixed in the furnace shell, the raking device comprises a central shaft and a plurality of rake arms, the central shaft is vertically arranged in the furnace shell, the central shaft is connected with a driving device, the plurality of rake arms are all fixedly connected with the central shaft, the feeding hole and the flue gas outlet are all arranged at the top end of the furnace shell, and the slag discharge port is arranged at the bottom end of the furnace shell. When the multi-hearth furnace is used, materials are firstly conveyed into the furnace shell from the feeding hole, then the driving device is used for driving the rake arms to rotate through the central shaft, the materials are conveyed to the furnace disc layer by layer through the rake arms, then the materials are combusted in the furnace disc, smoke generated by combustion rises and is output out of the furnace shell through the smoke outlet, and the combusted materials are output out of the furnace shell through the slag discharge hole.

The above prior art solutions have the following drawbacks: because the smoke discharged from the furnace shell through the smoke outlet has pungent smell, the smoke is directly discharged, and the air around the multi-hearth furnace is polluted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a clean type multi-chamber furnace, which aims to reduce the pollution of the multi-chamber furnace to the surrounding air.

The above object of the present invention can be achieved by the following technical solutions:

a cleaning type multi-chamber furnace comprises a furnace shell, wherein the furnace shell is vertically arranged, the top end of the furnace shell is provided with a flue gas outlet and a feed inlet, the bottom end of the furnace shell is provided with a slag discharge port, a furnace disc and a raking device are arranged in the furnace shell, the furnace disc is fixedly connected with the furnace shell, the raking device comprises a center shaft and a rake arm, the center shaft is rotatably connected with the furnace shell, the top end of the center shaft extends out of the furnace shell and is fixedly connected with a driving device, the rake arm is fixedly connected with the center shaft, the rake arm is provided with a plurality of scraping sheets, a mounting assembly is arranged between the scraping sheets and the rake arm, the flue gas outlet is connected with a cleaning device, the cleaning device comprises a filter box and a purifying box, a flue pipe is arranged between the filter box and the flue gas outlet, two ends of the flue pipe are respectively fixedly connected with the flue gas outlet and the filter box, a filter system is, the purifying box is internally provided with active carbon, and one side of the purifying box far away from the connecting pipe is fixedly connected with an exhaust pipe.

By adopting the technical scheme, when the multi-hearth furnace is used, firstly, the scraper is connected with the rake arm by using the mounting assembly, then, the material is conveyed into the furnace shell through the feeding hole, then, the driving device is started to drive the raking device to rotate, so that the material enters the furnace disc layer by layer, then, the material in the furnace disc is combusted, and the flue gas generated by combustion is discharged out of the furnace shell through the flue gas outlet; because the two ends of the smoke tube are respectively and fixedly connected with the smoke outlet and the filter box, smoke enters the filter box through the smoke tube, and is primarily filtered by using a filter system in the filter box; because the both ends of connecting pipe respectively with purifying box and rose box fixed connection, so the flue gas in the rose box passes through the connecting pipe and gets into in the purifying box, utilizes the active carbon in the purifying box to purify the flue gas and adsorb, and the air after the purification passes through blast pipe discharge purifying box, reaches the purpose that reduces the pollution of many thorax stoves to surrounding air, utilizes many thorax stoves to carry out the pyrolysis to organic solid simultaneously, can also retrieve organic pyrolysis oil and the pyrolysis gas of giving up admittedly, realizes organic comprehensive utilization who gives up admittedly.

The present invention may be further configured in a preferred embodiment as: the mounting assembly comprises a connecting plate and a connecting rod, the connecting plate is fixedly connected with the rake arm, the connecting rod is arranged between the connecting plate and the scraping blade, and two ends of the connecting rod are fixedly connected with the connecting plate and the scraping blade respectively.

By adopting the technical scheme, the scraper blade is installed by firstly moving the connecting rod to drive the connecting plate to be connected and fixed with the rake arm, and the scraper blade and the rake arm are kept fixed due to the fixed connection of the connecting plate and the connecting rod and the fixed connection of the connecting rod and the scraper blade, and the installation component has the advantages of simple structure and convenience in installation, and is convenient for installing and fixing the scraper blade and the rake arm.

The present invention may be further configured in a preferred embodiment as: the filtration system includes filter and filtration pore, and the filter is provided with a plurality of, and every filter all is located the rose box, all is provided with the grafting subassembly between the lateral wall of every filter and rose box, all sets up a plurality of filtration pore on every filter, and every filtration pore all runs through the filter.

By adopting the technical scheme, the filter plate is fixed in the filter box by utilizing the splicing assembly as the splicing assembly is arranged between the filter plate and the side wall of the filter box; when the flue gas gets into the rose box in, make gaseous filtration through the filtration pore, the impurity filter in the flue gas blocks, utilizes filter and filtration pore to carry out prefilter to the impurity in the flue gas, alleviates the purification pressure of follow-up purifying box.

The present invention may be further configured in a preferred embodiment as: the splicing assembly comprises a splicing groove and a splicing strip, the splicing groove is formed in the side wall of the filter box, the splicing strip is fixedly connected with the filter plate, and the splicing strip is spliced and matched with the splicing groove.

Through adopting above-mentioned technical scheme, when installing the filter, at first drag the filter and drive grafting strip and align with the inserting groove, then promote the filter and drive the grafting strip and slide in the inserting groove, utilize the limiting displacement of inserting groove to the grafting strip, make the grafting strip be located the inserting groove, stability when being connected between promotion filter and the rose box.

The present invention may be further configured in a preferred embodiment as: the inserting groove is a T-shaped inserting groove, the inserting strip is a T-shaped inserting strip, and the inserting strip is matched with the inserting groove in an inserting mode.

Through adopting above-mentioned technical scheme, have with the inserting groove with the grafting strip be the T type, when the grafting strip is located the inserting groove, utilize the limiting displacement of inserting groove to the grafting strip, make the grafting strip be located the inserting groove all the time, promote the stability of grafting strip when the inserting groove slides.

The present invention may be further configured in a preferred embodiment as: the filter box is a topless box body, a box cover is arranged at the top end of the filter box, the box cover seals the filter box, one side of the box cover is hinged with the side wall of the filter box, and an opening and closing assembly is arranged between one side of the box cover, away from the hinged shaft, and the side wall of the filter box.

By adopting the technical scheme, one side of the box cover is hinged with the filter box, so that when the box cover is opened, a user can be connected with the filter box, and the connectivity between the box cover and the filter box is improved; an opening and closing assembly is arranged between the box cover on the other side and the filter box, and the box cover is in a stable state when sealing the filter box by the opening and closing assembly.

The present invention may be further configured in a preferred embodiment as: the opening and closing assembly comprises a hook, a spring and a fixing ring, the fixing ring is fixedly connected with the box cover, one end of the spring is fixedly connected with the side wall of the filter box, the other end of the spring is fixedly connected with the hook, and the hook is in hooking fit with the fixing ring.

Through adopting above-mentioned technical scheme, when using to open and close the subassembly, at first drag the couple and drive the spring tensile, then articulate the couple and the cooperation with solid fixed ring, because solid fixed ring and case lid fixed connection, and the spring keeps away from the one end and the rose box fixed connection of couple, so utilize the elasticity of spring to make the case lid seal the rose box all the time.

The present invention may be further configured in a preferred embodiment as: a sealing gasket is arranged between the box cover and the filter box and fixedly connected with the box cover.

By adopting the technical scheme, the sealing gasket is arranged, when the filter box is sealed by the box cover, the sealing gasket is positioned between the box cover and the filter box, the gap between the filter box and the box cover is sealed by the sealing gasket, and the box cover is lifted to seal the filter box; because sealed pad and case lid fixed connection, so when opening the case lid, the case lid drives sealed pad and keeps away from the rose box, the convenience when promoting the case lid and opening.

To sum up, the utility model discloses a following at least one useful technological effect:

the cleaning device is arranged at the smoke outlet, and is used for purifying and filtering smoke generated in the furnace shell, so that the aim of reducing the pollution of the multi-hearth furnace to the surrounding air is fulfilled;

the opening and closing assembly is arranged between the filter box and the box cover, so that convenience of sealing the filter box by the box cover is improved;

through set up sealed the pad between case lid and rose box, further promote the sealed effect of case lid to the rose box.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view intended to show the raking device;

FIG. 3 is an enlarged partial schematic view of portion B of FIG. 2;

FIG. 4 is a schematic diagram of a filter bank system;

fig. 5 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure, 1, a furnace shell; 11. a flue gas outlet; 12. a feed inlet; 13. a drive device; 14. a slag discharge port; 15. hot flue gas enters the pipe; 16. a furnace plate; 2. a cleaning device; 21. a filter box; 22. a purification box; 23. a smoke pipe; 24. a connecting pipe; 25. an exhaust pipe; 3. a filtration system; 31. a filter plate; 32. a filtration pore; 4. a plug-in assembly; 41. inserting grooves; 42. inserting strips; 5. a box cover; 51. a gasket; 6. an opening and closing assembly; 61. a spring; 62. hooking; 63. a fixing ring; 7. a raking device; 71. a middle shaft; 72. a rake arm; 73. scraping a blade; 8. mounting the component; 81. a connecting plate; 82. a connecting rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, for the utility model discloses a many thorax stoves of clean type, including stove outer covering 1, the vertical setting of stove outer covering 1, exhanst gas outlet 11 and feed inlet 12 have been seted up on the top of stove outer covering 1, exhanst gas outlet 11 department is connected with cleaning device 2, the hot flue gas of lateral wall fixedly connected with a plurality of stove outer covering 1 advances pipe 15, hot flue gas advances pipe 15 and is provided with a plurality of, every hot flue gas advances pipe 15 and all sets up the bottom at stove outer covering 1 lateral wall, every hot flue gas advances pipe 15 and all communicates with stove outer covering 1 is inside, row's cinder notch 14 has been seted up to the bottom of stove outer covering 1, row's cinder notch 14 and the inside intercommunication of stove outer covering 1, be provided with stove dish 16 and rake and move device 7 in the stove outer covering 1, stove dish 16 is provided with a plurality of, every stove dish 16 all with stove outer covering 1 fixed connection, the ejection of compact position of two adjacent stove dishes 16 is different, it rotates with stove outer lane. When the multi-hearth furnace is used, materials are conveyed into the furnace shell 1 through the feeding hole 12, the materials fall onto the topmost furnace disc 16 in the furnace shell 1, then the driving device 13 is started to drive the raking device 7 to rotate, the raking device 7 is used for pushing the materials on the furnace disc 16 to roll relative to the furnace disc 16, the raking device 7 drives the materials to push towards the center of the furnace disc 16 or the periphery of the furnace disc 16 according to the discharging position of the furnace disc, so that the materials fall onto the adjacent furnace disc 16 at the bottom end of the furnace disc 16 from the furnace disc 16, the materials can pass through all the furnace discs 16 in the furnace shell 1, then the hot gas is introduced into the furnace shell 1 through the hot gas pipe, the materials on the furnace disc 16 are pyrolyzed through the hot gas, the pyrolyzed materials are discharged out of the furnace shell 1 through the slag discharge hole 14, the cleaning device 2 is arranged at the gas discharge hole, and the gas generated by the multi-hearth furnace is cleaned and discharged, the purpose of reducing the pollution of the multi-hearth furnace to the surrounding air is achieved.

Referring to fig. 2 and 3, the raking device 7 includes a central shaft 71, rake arms 72 and scraping blades 73, the central shaft 71 is vertically disposed in the furnace shell 1, the central shaft 71 penetrates through the furnace pan 16, both ends of the central shaft 71 are rotatably connected with the furnace shell 1, the top end of the central shaft 71 extends out of the furnace shell 1 and is fixedly connected with the driving device 13, the rake arms 72 are provided with a plurality of scraper arms 72, a group of rake arms 72 is disposed in each side of the furnace chamber, each rake arm 72 is fixedly connected with the central shaft 71, each rake arm 72 is provided with a plurality of scraping blades 73, a mounting assembly 8 is disposed between each scraping blade 73 and each rake arm 72, each mounting assembly 8 includes a connecting plate 81 and a connecting rod 82, the connecting plate 81 is fixed with the rake arms 72 through bolts, the connecting plate 81 is detachably connected with the rake arms 72, the connecting rod 82 is disposed between the connecting plate 81 and the scraping blades 73. When the scraper blades 73 are installed or replaced, the connecting rod 82 is moved to drive the connecting plate 81 to be inserted into the rake arm 72, so that the scraper blades 73 naturally fall on the top end of the furnace plate 16 by means of gravity, then the connecting plate 81 is fixed with the rake arm 72 by means of bolts, the purpose of connecting and fixing the scraper blades 73 with the rake arm 72 is achieved, when the scraper blades 73 are installed, the angle between the shafts 71 of the scraper blades 73 and the direction of the scraper blades 73 are adjusted according to different discharging positions of the furnace plate 16, and meanwhile, the number of the scraper blades 73 on each furnace plate 16 is adjusted according to the size of material particles and the staying time of the material on the top end of each furnace plate 16.

Referring to fig. 1, the cleaning device 2 includes a smoke tube 23, a filter box 21, a connecting pipe 24, a purifying box 22 and an exhaust pipe 25, the smoke tube 23 is arranged between the filter box 21 and the smoke outlet 11, two ends of the smoke tube 23 are respectively fixedly connected with the smoke outlet 11 and the filter box 21, the smoke outlet 11 is communicated with the filter box 21 through the smoke tube 23, the filter box 21 is a non-top box body, a box cover 5 is arranged at the top end of the filter box 21, the box cover 5 seals the filter box 21, one side of the box cover 5 is hinged with the side wall of the filter box 21, an opening and closing assembly 6 is arranged between one side of the box cover 5 away from a hinge shaft and the side wall of the filter box 21, and a filter system; purifying box 22 sets up in the one side that the tobacco pipe 23 was kept away from to rose box 21, connecting pipe 24 sets up between purifying box 22 and rose box 21, one side fixed connection of tobacco pipe 23 is kept away from to the one end of connecting pipe 24 and rose box 21, the other end and purifying box 22's lateral wall fixed connection, rose box 21 passes through connecting pipe 24 and purifying box 22 intercommunication, purifying box 22 intussuseption is filled with the active carbon, the active carbon is filled with purifying box 22, blast pipe 25 sets up in one side that connecting pipe 24 was kept away from to purifying box 22, blast pipe 25 and purifying box 22 fixed connection and intercommunication. When the cleaning device 2 is installed, one end of the smoke tube 23 is fixedly connected with the smoke outlet 11, the other end of the smoke tube 23 is fixedly connected with the filter box 21, the filter box 22 and the filter box 21 are connected through the connecting tube 24, the filter box 21 is communicated with the filter box 22, and the exhaust tube 25 is fixedly communicated with the filter box 22; then installing the filtering system 3 in the filtering box 21, rotating the box cover 5, and sealing the filtering box 21 by the box cover 5 by using the opening and closing assembly 6; after the flue gas comes out from the furnace shell 1, the flue gas enters the filter box 21 through the flue pipe 23, after being filtered by the filter system 3 in the filter box 21, the flue gas enters the purifying box 22 through the connecting pipe 24, the activated carbon in the purifying box 22 is used for adsorbing the gas, and the air purified by adsorption is discharged out of the purifying box 22 through the exhaust pipe 25.

Referring to fig. 4, the filtering system 3 includes a plurality of filtering plates 31, each filtering plate 31 is vertically disposed in the filtering box 21, each filtering plate 31 is located between the smoke pipe 23 and the connecting pipe 24, an inserting assembly 4 is disposed between each filtering plate 31 and the side wall of the filtering box 21, each inserting assembly 4 includes a T-shaped inserting groove 41 and a T-shaped inserting block, the inserting groove 41 is vertically disposed on the side wall of the filtering box 21, the inserting groove 41 penetrates through the top end of the side wall of the filtering box 21, the inserting strip 42 is fixedly connected with the side wall of the filtering plate 31, the inserting strip 42 is matched with the inserting groove 41, and the inserting strip 42 is matched with the inserting groove 41 in an inserting manner; all seted up a plurality of filter 32 on every filter 31, every filter 32 all runs through filter 31, and every filter 32 all is perpendicular to filter 31's lateral wall. When the filter plate 31 is installed, firstly, the filter plate 31 is moved to drive the splicing strips 42 to align with the splicing grooves 41, then the filter plate 31 is pushed to drive the splicing strips 42 to be spliced in the splicing grooves 41, and the filter plate 31 is fixed in the filter box 21 by utilizing the limiting effect of the splicing operation on the splicing strips 42; when the flue gas enters the filter box 21, the flue gas passes through the filter holes 32, and impurities in the flue gas are filtered by the filter holes 32 on the filter plate 31, so that primary filtration and purification of the flue gas are completed.

Referring to fig. 5, the opening and closing assembly 6 includes a hook 62, a spring 61 and a fixing ring 63, the fixing ring 63 is fixedly connected with one side of the box cover 5 away from the hinge shaft, one end of the spring 61 is fixedly connected with the side wall of the filter box 21, the other end is fixedly connected with the hook 62, and the hook 62 is in hooking fit with the fixing ring 63; a sealing gasket 51 is arranged between the box cover 5 and the filter box 21, the sealing gasket 51 is fixedly connected with the box cover 5, and when the box cover 5 seals the filter box 21, one side of the sealing gasket 51, which is far away from the box cover 5, is abutted against the side wall of the filter box 21. When the opening and closing assembly 6 is used, the hook 62 is firstly pulled to drive the spring 61 to stretch, then the hook 62 is in hooking and matching with the fixing ring 63, and the box cover 5 is enabled to always seal the filter box 21 by utilizing the elasticity of the spring 61.

The implementation principle of the embodiment is as follows: when the multi-hearth furnace is used, the scraping blades 73 and the rake arms 72 are firstly installed, the connecting rods 82 are moved to drive the connecting plates 81 to be inserted into the rake arms 72, then the connecting plates 81 and the rake arms 72 are fixed through bolts, the purpose of connecting and fixing the scraping blades 73 and the rake arms 72 is achieved, when the scraping blades 73 are installed, the angles of the scraping blades 73 between the adjacent furnace plates 16 and the furnace plates 16 are different, and then the angles of the scraping blades 73 relative to the central shaft 71 and the number of the scraping blades 73 at the top end of each furnace plate 16 are adjusted according to the particle size of materials and the staying time of the materials on the furnace plates 16.

Fixedly connecting and communicating the smoke tube 23 with the smoke outlet 11, fixedly connecting the other end of the smoke tube 23 with the filter box 21, fixedly connecting and communicating the filter box 21 with the purifying box 22 by using the connecting tube 24, and finally fixedly connecting and communicating the exhaust tube 25 with the side wall of the purifying box 22, and filling activated carbon in the purifying box 22; then, moving the filter plate 31 to the top end of the filter box 21 to align the insertion strip 42 with the insertion groove 41, then pushing the filter plate 31 into the filter box 21 to insert the insertion strip 42 into the insertion groove 41, and fixing the filter plate 31 in the filter box 21 by using the limiting effect of the insertion groove 41 on the insertion strip 42; then, the box cover 5 is pushed to rotate around the hinge shaft, the box cover 5 drives the sealing gasket 51 to abut against the side wall of the filter box 21, the hook 62 is dragged to drive the spring 61 to stretch, the hook 62 is in hooking fit with the fixing ring 63, and the spring 61 drives the box cover 5 to seal the filter box 21.

The materials are conveyed into the furnace shell 1 through the feed inlet 12, the materials fall onto the topmost furnace disc 16 in the furnace shell 1, then the driving device 13 is started to drive the central shaft 71 to rotate around the axis of the central shaft 71 in the furnace shell 1, the central shaft 71 drives the rake arms 72 to rotate, the rake arms 72 drive the scraping blades 73 to rotate at the top ends of the furnace discs 16 through the connecting plates 81 and the connecting rods 82, the scraping blades 73 push the materials to roll relative to the furnace discs 16, the scraping blades 73 at different angles drive the materials to push towards the center of the furnace discs 16 or the periphery of the furnace discs 16, so that the materials fall onto the adjacent furnace discs 16 at the bottom ends of the furnace discs 16 from the furnace discs 16, the materials pass through all the furnace discs 16 in the furnace shell 1, then hot gas is introduced into the furnace shell 1 through the hot gas pipe, the materials on the furnace discs 16 are pyrolyzed by the hot gas, and the pyrolyzed materials are discharged.

The flue gas of raw materials is passed through the exhanst gas outlet 11 and is discharged stove shell 1 to the pyrolysis, the flue gas passes through in tobacco pipe 23 gets into rose box 21, utilize filter 31 and filtration pore 32 to carry out prefilter to the flue gas, the flue gas after the filtration passes through in connecting pipe 24 gets into purifying box 22, utilize the active carbon in purifying box 22 to carry out filtration purification to the flue gas after the filtration, the flue gas after the purification passes through blast pipe 25 and discharges, to sum up, through above-mentioned step, reach the purpose that reduces the pollution of many thorax stoves to the ambient air.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A clean type multi-hearth furnace is characterized in that: including stove outer covering (1), the vertical setting of stove outer covering (1), exhanst gas outlet (11) and feed inlet (12) have been seted up on the top of stove outer covering (1), row's cinder notch (14) have been seted up to the bottom of stove outer covering (1), be provided with in stove outer covering (1) stove dish (16) and harrow and move device (7), stove dish (16) and stove outer covering (1) fixed connection, it includes axis (71) and harrow arm (72) to harrow to move device (7), axis (71) rotate with stove outer covering (1) and be connected, stove outer covering (1) fixedly connected with drive arrangement (13) are stretched out on the top of axis (71), harrow arm (72) and axis (71) fixed connection, characterized in that: the scraper arm (72) is provided with a plurality of scraper blades (73), a mounting assembly (8) is arranged between the scraper blades (73) and the scraper arm (72), a cleaning device (2) is connected to a flue gas outlet (11), the cleaning device (2) comprises a filter box (21) and a purification box (22), a smoke pipe (23) is arranged between the filter box (21) and the flue gas outlet (11), two ends of the smoke pipe (23) are fixedly connected with the flue gas outlet (11) and the filter box (21) respectively, a filtering system (3) is arranged in the filter box (21), a connecting pipe (24) is arranged between the purification box (22) and the filter box (21), two ends of the connecting pipe (24) are fixedly connected with the filter box (21) and the purification box (22) respectively, activated carbon is arranged in the purification box (22), and an exhaust pipe (25) is fixedly connected to one side, far away from the connecting pipe (24), of the purification box.

2. A clean type multi-hearth furnace according to claim 1, wherein: the mounting assembly (8) comprises a connecting plate (81) and a connecting rod (82), the connecting plate (81) is fixedly connected with the rake arm (72), the connecting rod (82) is arranged between the connecting plate (81) and the scraping blade (73), and two ends of the connecting rod (82) are fixedly connected with the connecting plate (81) and the scraping blade (73) respectively.

3. A clean type multi-hearth furnace according to claim 1, wherein: filtration system (3) include filter (31) and filtration pore (32), and filter (31) are provided with a plurality of, and every filter (31) all is located rose box (21), all is provided with grafting subassembly (4) between the lateral wall of every filter (31) and rose box (21), all sets up a plurality of filtration pore (32) on every filter (31), and every filtration pore (32) all runs through filter (31).

4. A clean type multi-hearth furnace according to claim 3, wherein: the filter box is characterized in that the inserting component (4) comprises an inserting groove (41) and an inserting strip (42), the inserting groove (41) is formed in the side wall of the filter box (21), the inserting strip (42) is fixedly connected with the filter plate (31), and the inserting strip (42) is matched with the inserting groove (41) in an inserting mode.

5. A clean type multi-hearth furnace according to claim 4, wherein: the inserting groove (41) is a T-shaped inserting groove (41), the inserting strip (42) is a T-shaped inserting strip (42), and the inserting strip (42) is matched with the inserting groove (41) in an inserting mode.

6. A clean type multi-hearth furnace according to claim 3, wherein: the filter box (21) is a box body without a top, a box cover (5) is arranged on the top end of the filter box (21), the filter box (21) is sealed by the box cover (5), one side of the box cover (5) is hinged to the side wall of the filter box (21), and an opening and closing assembly (6) is arranged between one side, away from a hinged shaft, of the box cover (5) and the side wall of the filter box (21).

7. A clean type multi-hearth furnace according to claim 6, wherein: open and close subassembly (6) including couple (62), spring (61) and solid fixed ring (63), gu fixed ring (63) and case lid (5) fixed connection, the one end of spring (61) and the lateral wall fixed connection of rose box (21), the other end and couple (62) fixed connection, couple (62) and solid fixed ring (63) articulate the cooperation.

8. A clean type multi-hearth furnace according to claim 7, wherein: a sealing gasket (51) is arranged between the box cover (5) and the filter box (21), and the sealing gasket (51) is fixedly connected with the box cover (5).

Images