CN214147914U

CN214147914U - Hazardous waste burns rotary kiln

Info

Publication number: CN214147914U
Application number: CN202023123042.4U
Authority: CN
Inventors: 蒋群刚; 蒋静辉; 钱赛强
Original assignee: Yixing Zhangze Pouring Refractory Material Co ltd
Current assignee: Yixing Zhangze Pouring Refractory Material Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-07
Anticipated expiration: 2030-12-23

Abstract

The utility model relates to the technical field of environmental protection mechanical equipment, in particular to a hazardous waste incineration rotary kiln, which can facilitate the collection of burned residues, facilitate the ventilation adjustment of a combustion chamber and reduce the use limitation; including firing burning furnace, the rotary kiln, rotary motor, gyration screw rod and combustor, the inside of firing burning furnace is provided with the combustion chamber, it is provided with the support to connect on the lateral wall of burning furnace, the inside of rotary kiln is provided with the gyration chamber, rotary kiln fixed mounting is on the lateral wall of burning furnace, and gyration chamber and combustion chamber intercommunication, the intercommunication fixed mounting that the support passes through output and combustion chamber with the outer wall fixed connection combustor of rotary kiln is on the lateral wall of burning furnace, be provided with the bracket on the inside wall of burning furnace, and the top intercommunication of burning furnace is provided with the combustor No. two, be provided with the slide on the combustor No. two, be provided with exhaust apparatus on the combustor No. two, be used for carrying out the preliminary treatment to the flue gas.

Description

Hazardous waste burns rotary kiln

Technical Field

The utility model relates to an environmental protection mechanical equipment's technical field especially relates to a hazardous waste burns rotary kiln.

Background

Burning the rotary kiln is an environmental protection equipment for burning the discarded object, the discarded object gets into behind the cylindric burning furnace that burns, carry out rotary transport through the conveyor in the burning furnace, make in the discarded object gets into the combustion chamber, and continuously overturn, make the discarded object obtain the burning through supplying with the air in to the combustion chamber, still can set up the secondary combustion chamber behind the rotary kiln usually, make the not complete poisonous and harmful gas who burns off of anterior segment pyrolysis can be at the complete combustion under the oxidation state of higher temperature, but the burning rotary kiln who uses at present, discover in the use, the residue after the burning is not convenient for collect, be not convenient for adjust the combustion chamber air output, lead to using the limitation higher.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can make the residue after the burning collect more conveniently, make the combustion chamber air volume adjust more conveniently, reduce the dangerous waste incineration rotary kiln who uses the limitation.

The utility model discloses a hazardous waste burns rotary kiln, including combustion furnace, rotary motor, gyration screw rod and a combustor, the inside of combustion furnace is provided with the combustion chamber, it is provided with the support to connect on the lateral wall of combustion furnace, the inside of rotary furnace is provided with the gyration chamber, rotary furnace fixed mounting is on the lateral wall of combustion furnace to the gyration chamber communicates with the combustion chamber, the support is connected with rotary furnace's outer wall fixed connection, rotary furnace upper intercommunication is provided with the feeding funnel, feeding funnel upper cover is provided with sealed lid, fixed mounting is provided with on rotary furnace's the left side wall, rotary motor fixed mounting is on the fixing base, rotary screw rod's one end is connected with rotary motor's output, rotary screw rod's the other end passes rotary chamber and the inner wall rotation connection of combustion chamber and combustion furnace, a combustor fixed mounting is on combustion furnace's lateral wall, the combustion furnace is characterized in that a bracket is arranged on the inner side wall of the combustion furnace, a double-layer slag discharging device is arranged on the bracket and used for adjusting the opening of a slag discharging port and the ventilation volume of a combustion chamber, a sealing assembly and a residue collecting mechanism are arranged on the combustion furnace and used for sealing the combustion furnace and collecting residues after combustion respectively, the top end of the combustion furnace is communicated with a second burner, a slide way is arranged on the second burner, and an exhaust device is arranged on the second burner and used for pretreating smoke generated by combustion.

The utility model discloses a hazardous waste burns rotary kiln, the residue is collected the mechanism and is included two sets of slides, collection sediment drawer and handle, and is two sets of the slide symmetry is installed on the inner wall of firing the burning furnace bottom, collection sediment drawer is through the cooperation slidable mounting with two sets of slides on firing the burning furnace, handle fixed mounting is on collection sediment drawer.

The utility model discloses a hazardous waste burns rotary kiln, double-deck row sediment device includes bottom scum board and upper scum board, be provided with the fixed axle on the bottom scum board, the upper scum board is rotated through the cooperation with the fixed axle and is installed on the bottom scum board, the symmetry is provided with two sets of cranks on the upper scum board.

The utility model discloses a hazardous waste burns rotary kiln, seal assembly includes sealing door, two sets of knocker and two sets of locks, it gets and puts the mouth to be provided with on the burning furnace, sealing door rotates the lid dress and is getting and put the mouth on, and is two sets of knocker fixed mounting is on burning furnace, and is two sets of the lock is rotated through the cooperation with two sets of knockers and is installed on sealing door, be provided with the observation window on the sealing door.

The utility model discloses a hazardous waste burns rotary kiln, exhaust apparatus includes blast pipe and adsorption tube, the fixed mounting of blast pipe and postcombustion furnace intercommunication is on postcombustion furnace's top, the inside packing of adsorption tube is provided with the activated carbon adsorbent, the symmetry is provided with two sets of adapter sleeves on the adsorption tube, the adsorption tube passes through adapter sleeve spiral shell dress on the blast pipe to the input of adsorption tube and the output intercommunication of blast pipe.

The utility model discloses a hazardous waste burns rotary kiln still includes the flow equalizing dish, flow equalizing dish fixed mounting is on secondary combustion furnace's inner wall, be provided with a plurality of groups through-hole on the flow equalizing dish.

The utility model discloses a hazardous waste burns rotary kiln still includes four group's damping lower margin, wherein two sets of damping lower margin fixed mounting is in the bottom of support, and is two sets of in addition damping lower margin fixed mounting is in the bottom of firing burning furnace.

The utility model discloses a hazardous waste burns rotary kiln, the symmetry is provided with two sets of floor on the support.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the waste enters a rotary cavity through a feeding hopper, the rotary motor is started to drive a rotary screw to carry out rotary stirring on the waste, the waste enters a combustion chamber, the waste is combusted by supplying air through a first burner, the combusted residue enters a residue collecting mechanism through a double-layer residue discharging device to complete collection, the generated smoke which is not completely pyrolyzed enters a secondary combustion furnace, the smoke which is not pyrolyzed is completely combusted and pyrolyzed under the oxidation state of higher temperature through a second burner, and finally the gas is discharged into the next procedure through an exhaust device, the residue generated by combustion can be collected and stored through the arranged residue collecting mechanism, the double-layer residue discharging device is utilized, the residue discharging amount and the air ventilation amount can be controlled by adjusting the opening degree of a residue discharging port, so that the combusted residue can be collected more conveniently, the ventilation quantity of the combustion chamber is more convenient to adjust, and the use limitation is reduced.

Drawings

FIG. 1 is a schematic side view of the present invention;

fig. 2 is a schematic front side structure of the present invention;

fig. 3 is a schematic front side sectional structure of the present invention;

FIG. 4 is a schematic axial view of the double-layered slag discharging device of the present invention;

FIG. 5 is a schematic view of the upper structure of the middle-double-layered slag discharging device of the present invention;

in the drawings, the reference numbers: 1. a combustion furnace; 2. a support; 3. a rotary kiln; 4. feeding a hopper; 5. a sealing cover; 6. a fixed seat; 7. a rotary motor; 8. turning the screw; 9. a first burner; 10. a bracket; 11. a secondary combustion furnace; 12. a second burner; 13. a slideway; 14. a slag collection drawer; 15. a handle; 16. a bottom deslagging plate; 17. a fixed shaft; 18. an upper slag discharge plate; 19. a crank; 20. a sealing door; 21. a door catch; 22. a door lock; 23. an observation window; 24. an exhaust pipe; 25. an adsorption tube; 26. connecting sleeves; 27. a flow equalizing disc; 28. damping feet; 29. a rib plate.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 5, the utility model discloses a rotary kiln for burning hazardous waste, which comprises a combustion furnace 1, a rotary furnace 3, a rotary motor 7, a rotary screw 8 and a burner 9, wherein a combustion chamber is arranged inside the combustion furnace 1, a support 2 is connected and arranged on the side wall of the combustion furnace 1, a rotary cavity is arranged inside the rotary furnace 3, the rotary furnace 3 is fixedly arranged on the side wall of the combustion furnace 1 and is communicated with the combustion chamber, the support 2 is fixedly connected with the outer wall of the rotary furnace 3, a feeding hopper 4 is communicated and arranged on the rotary furnace 3, a sealing cover 5 is arranged on the feeding hopper 4 in a covering manner, a fixed seat 6 is fixedly arranged on the left side wall of the rotary furnace 3, the rotary motor 7 is fixedly arranged on the fixed seat 6, one end of the rotary screw 8 is connected with the output end of the rotary motor 7, the other end of the rotary screw 8 passes through the rotary cavity and the combustion chamber to be rotatably connected with the inner wall of the combustion furnace 1, the first burner 9 is fixedly installed on the side wall of the combustion furnace 1, a bracket 10 is arranged on the inner side wall of the combustion furnace 1, a double-layer slag discharging device is arranged on the bracket 10 and used for adjusting the opening of a slag discharging port and the ventilation of a combustion chamber, a sealing assembly and a residue collecting mechanism are arranged on the combustion furnace 1 and used for sealing the combustion furnace 1 and collecting residues after combustion respectively, a second burner 12 is arranged at the top end of the combustion furnace 1 in a communicating mode, a slide way 13 is arranged on the second burner 12, and an exhaust device is arranged on the second burner 12 and used for preprocessing smoke generated by combustion; firstly, the waste enters a rotary cavity through a feeding hopper 4, the rotary motor 7 is started, the rotary motor 7 drives a rotary screw rod 8 to carry out rotary stirring on the waste, the waste enters a combustion chamber, the waste is combusted by supplying air by starting a first burner 9, the combusted residue enters a residue collecting mechanism through a double-layer slag discharging device to be collected, the generated smoke which is not pyrolyzed completely enters a secondary combustion furnace 11, the pyrolyzed smoke is completely combusted and pyrolyzed under the oxidation state of higher temperature by starting a second burner 12, finally the gas is discharged into the next process through an exhaust device, the residue generated by combustion can be collected and stored through the arranged residue collecting mechanism, the double-layer slag discharging device is utilized, the slag discharging amount and the air ventilation amount can be controlled by adjusting the opening degree of a slag discharging port, so that the combusted residue can be collected more conveniently, the ventilation quantity of the combustion chamber is more convenient to adjust, and the use limitation is reduced.

Preferably, the residue collecting mechanism comprises two sets of slide ways 13, a residue collecting drawer 14 and a handle 15, wherein the two sets of slide ways 13 are symmetrically arranged on the inner wall of the bottom end of the combustion furnace 1, the residue collecting drawer 14 is arranged on the combustion furnace 1 in a sliding way by matching with the two sets of slide ways 13, and the handle 15 is fixedly arranged on the residue collecting drawer 14; through setting up slide 13, collection sediment drawer 14 and handle 15, can regularly take out collection sediment drawer 14, be convenient for clear up the residue of collecting, reduce the use limitation.

Preferably, the double-layer deslagging device comprises a bottom deslagging plate 16 and an upper deslagging plate 18, wherein the bottom deslagging plate 16 is provided with a fixed shaft 17, the upper deslagging plate 18 is rotatably mounted on the bottom deslagging plate 16 through the matching of the fixed shaft 17, and two groups of cranks 19 are symmetrically arranged on the upper deslagging plate 18; rotate upper slag discharging plate 18 through crank 19, can conveniently adjust the aperture of row's cinder notch, can be convenient for control the row's of residue volume and the air volume in the combustion chamber, reduce and use the limitation.

Preferably, the sealing assembly comprises a sealing door 20, two sets of door fasteners 21 and two sets of door locks 22, the combustion furnace 1 is provided with a taking and placing opening, the sealing door 20 is rotatably covered on the taking and placing opening, the two sets of door fasteners 21 are fixedly arranged on the combustion furnace 1, the two sets of door locks 22 are rotatably arranged on the sealing door 20 through matching with the two sets of door fasteners 21, and the sealing door 20 is provided with an observation window 23; can fasten lock 22 and knocker 21 through rotating door lock 22, make sealing door 20 lid dress tighter, can be convenient for observe the burning condition of waste in the combustion chamber through observation window 23, be convenient for in time adjust, reduce and use the limitation.

Preferably, the exhaust device comprises an exhaust pipe 24 and an adsorption pipe 25, the exhaust pipe 24 is fixedly installed at the top end of the secondary combustion furnace 11 and communicated with the secondary combustion furnace 11, the adsorption pipe 25 is internally filled with activated carbon adsorbent, two sets of connecting sleeves 26 are symmetrically arranged on the adsorption pipe 25, the adsorption pipe 25 is screwed on the exhaust pipe 24 through the connecting sleeves 26, and the input end of the adsorption pipe 25 is communicated with the output end of the exhaust pipe 24; through installing blast pipe 24 on the top of postcombustion furnace 11, can be convenient for gaseous discharge, through setting up adsorption tube 25, utilize the active carbon adsorbent to carry out preliminary adsorption filtration to the flue gas, get rid of the impurity in the flue gas, alleviate pressure for the exhaust-gas treatment of subsequence, reduce and use the limitation.

As the optimization of the above embodiment, the secondary combustion furnace further comprises a flow equalizing disc 27, the flow equalizing disc 27 is fixedly installed on the inner wall of the secondary combustion furnace 11, and a plurality of groups of through holes are arranged on the flow equalizing disc 27; through setting up the flow equalizing disc 27, can effectively slow down the inside that the flue gas got into secondary combustion furnace 11, make the even entering secondary combustion furnace 11 of flue gas to obtain abundant burning, improve and use the reliability.

Preferably, the combustion furnace further comprises four groups of damping feet 28, wherein two groups of damping feet 28 are fixedly arranged at the bottom end of the support 2, and the other two groups of damping feet 28 are fixedly arranged at the bottom end of the combustion furnace 1; through setting up damping lower margin 28, can make the holistic steady firm more of placing of equipment, reduce and use the limitation.

As a preference of the above embodiment, two sets of rib plates 29 are symmetrically arranged on the support 2; through setting up floor 29, can effectively strengthen the structural strength of support 2, make the installation of rotary furnace 3 more firm, make the discarded object rotary conveying more steady, improve and use the reliability.

The utility model discloses a hazardous waste burns rotary kiln, it is at the during operation, at first the discarded object passes through feeding funnel 4 and gets into the gyration intracavity, through starting rotating electrical machines 7, rotating electrical machines 7 drives gyration screw rod 8 and turns round the stirring to the discarded object, and make the discarded object get into in the combustion chamber, through starting combustor 9 No. one, it makes the discarded object burning to mend the air, residue after through the burning, arrange the cinder notch on cinder notch entering into collection sediment drawer 14 through bottom row cinder plate 16 and fixed axle 17 and accomplish the collection, the complete flue gas of pyrolysis that does not produce enters into after-combustion furnace 11, through starting combustor 12 No. two, make the complete combustion pyrolysis of the flue gas of not pyrolysis under the oxidation state of higher temperature, last gas carries out the next process of discharging after preliminary absorption filtration in getting into adsorption tube 25 through blast pipe 24.

The installation mode, the connection mode or the arrangement mode of the hazardous waste incineration rotary kiln of the utility model are common mechanical modes, and the installation mode, the connection mode or the arrangement mode can be implemented as long as the beneficial effects can be achieved; the utility model discloses a rotary motor, a combustor and No. two combustors of hazardous waste incineration rotary kiln are purchase on the market, and this industry technical staff only need install and operate according to its subsidiary instructions can.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A hazardous waste incineration rotary kiln is characterized by comprising a combustion furnace (1), a rotary furnace (3), a rotary motor (7), a rotary screw (8) and a first burner (9), wherein a combustion chamber is arranged inside the combustion furnace (1), a support (2) is connected and arranged on the side wall of the combustion furnace (1), a rotary cavity is arranged inside the rotary furnace (3), the rotary furnace (3) is fixedly arranged on the side wall of the combustion furnace (1) and communicated with the combustion chamber, the support (2) is fixedly connected with the outer wall of the rotary furnace (3), a feeding hopper (4) is communicated and arranged on the rotary furnace (3), a sealing cover (5) is arranged on the upper cover of the feeding hopper (4), a fixing seat (6) is fixedly arranged on the left side wall of the rotary furnace (3), and the rotary motor (7) is fixedly arranged on the fixing seat (6), one end of the rotary screw rod (8) is connected with the output end of a rotary motor (7), the other end of the rotary screw rod (8) penetrates through a rotary cavity and a combustion chamber to be rotatably connected with the inner wall of the combustion furnace (1), the first burner (9) is fixedly arranged on the side wall of the combustion furnace (1), a bracket (10) is arranged on the inner side wall of the combustion furnace (1), a double-layer slag discharge device is arranged on the bracket (10) and used for adjusting the opening of a slag discharge port and the ventilation volume of the combustion chamber, a sealing assembly and a residue collecting mechanism are arranged on the combustion furnace (1) and used for sealing the combustion furnace (1) and collecting residues after combustion respectively, a second burner (12) is communicated with the top end of the combustion furnace (1), a slide way (13) is arranged on the second burner (12), and an exhaust device is arranged on the second burner (12), used for pretreating the flue gas generated by combustion.

2. The rotary kiln for incinerating hazardous waste according to claim 1, wherein the residue collecting mechanism comprises two sets of slide ways (13), a residue collecting drawer (14) and a handle (15), the two sets of slide ways (13) are symmetrically arranged on the inner wall of the bottom end of the combustion furnace (1), the residue collecting drawer (14) is slidably arranged on the combustion furnace (1) through matching with the two sets of slide ways (13), and the handle (15) is fixedly arranged on the residue collecting drawer (14).

3. The rotary kiln for incinerating hazardous wastes according to claim 1, wherein the double-layer deslagging device comprises a bottom deslagging plate (16) and an upper deslagging plate (18), a fixed shaft (17) is arranged on the bottom deslagging plate (16), the upper deslagging plate (18) is rotatably mounted on the bottom deslagging plate (16) through the matching with the fixed shaft (17), and two groups of cranks (19) are symmetrically arranged on the upper deslagging plate (18).

4. The rotary kiln for incinerating hazardous waste according to claim 1, wherein the sealing assembly comprises a sealing door (20), two sets of door latches (21) and two sets of door locks (22), the combustion furnace (1) is provided with a taking and placing opening, the sealing door (20) is rotatably covered on the taking and placing opening, the two sets of door latches (21) are fixedly arranged on the combustion furnace (1), the two sets of door locks (22) are rotatably arranged on the sealing door (20) through matching with the two sets of door latches (21), and the sealing door (20) is provided with an observation window (23).

5. The hazardous waste incineration rotary kiln according to claim 1, wherein the exhaust device comprises an exhaust pipe (24) and an adsorption pipe (25), the exhaust pipe (24) is fixedly installed at the top end of the secondary combustion furnace (11) and communicated with the secondary combustion furnace (11), the adsorption pipe (25) is filled with an activated carbon adsorbent, two sets of connecting sleeves (26) are symmetrically arranged on the adsorption pipe (25), the adsorption pipe (25) is screwed on the exhaust pipe (24) through the connecting sleeves (26), and the input end of the adsorption pipe (25) is communicated with the output end of the exhaust pipe (24).

6. The rotary kiln for incinerating hazardous waste according to claim 1, further comprising a flow equalizing disc (27), wherein the flow equalizing disc (27) is fixedly installed on the inner wall of the secondary combustion furnace (11), and a plurality of groups of through holes are arranged on the flow equalizing disc (27).

7. The rotary kiln for incinerating hazardous waste according to claim 1, further comprising four sets of vibration-damping feet (28), wherein two sets of vibration-damping feet (28) are fixedly mounted on the bottom end of the support (2), and the other two sets of vibration-damping feet (28) are fixedly mounted on the bottom end of the combustion furnace (1).

8. The rotary kiln for incinerating hazardous waste according to claim 1, wherein two sets of ribs (29) are symmetrically arranged on the support (2).