CN111808620B

CN111808620B - Recycling device and method for coal pyrolysis waste

Info

Publication number: CN111808620B
Application number: CN202010620277.XA
Authority: CN
Inventors: 范祖勤; 卢显人; 王开封; 李林辉
Original assignee: Anhui Chuangneng Environmental Protection Material Co ltd
Current assignee: Anhui Chuangneng Environmental Protection Material Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-08-17
Anticipated expiration: 2040-06-30
Also published as: CN111808620A

Abstract

The invention provides a recycling device and a recycling method of coal pyrolysis waste, and the recycling device comprises a chimney, turbines, speed changers, a rotating shaft, a chimney inner wall cleaning mechanism, a screw rod, a threaded sleeve, a swing rod, a one-way bearing and a bag-type dust remover, wherein the two turbines are respectively rotatably arranged at two ends of the chimney, power input ends of the two speed changers are respectively connected with the two turbines, the rotating shaft and the screw rod are respectively fixedly connected with power output ends of the two speed changers, the chimney inner wall cleaning mechanism is movably arranged on the rotating shaft, the screw rod is fixedly connected with a power output end of the speed changer positioned at the upper side, and the screw rod is in transmission connection. The turbine is driven to rotate by heat generated by coal pyrolysis, a power source is provided for the chimney inner wall cleaning mechanism, the condition that a motor or other power input components work in a chimney is avoided, the temperature inside the chimney is high, and a large amount of dust is mixed, so that the adaptability requirement on the power source is high easily if other power sources are adopted.

Description

Recycling device and method for coal pyrolysis waste

Technical Field

The invention relates to the technical field of secondary energy recovery, in particular to a device and a method for recycling coal pyrolysis waste.

Background

The coal pyrolysis can give full play to the utilization ratio of raw coal, the coal after pyrolysis can release great heat, and fly ash can appear when the coal is pyrolyzed, and fly ash can be as materials such as secondary raw materials production fragment of brick, haydite, consequently collect fly ash can effectively improve the raw coal utilization ratio at the process of pyrolysis.

In the prior art, the fly ash is collected directly by a bag-type dust collector, so that the fly ash adsorbed on the inner wall of the chimney cannot be collected, and thick dust is accumulated on the inner wall of the chimney if the dust is accumulated for a long time, so that the collection of the fly ash is not facilitated.

Disclosure of Invention

The invention aims to provide a recycling device and a recycling method for coal pyrolysis waste, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a recycle device of coal pyrolysis discarded object, includes chimney, turbine, derailleur, pivot, chimney inner wall clearance mechanism, lead screw, screw sleeve, pendulum rod, one-way bearing and sack cleaner, the sack cleaner sets up in the chimney and is located the top of chimney, and the top of chimney is equipped with the intake pipe, and wherein the intake pipe faces the sack cleaner, wherein:

two the turbine rotates through the bearing respectively and installs the both ends at the chimney, two the derailleur is equipped with respectively at the both ends of chimney and respectively with chimney inner wall connection, and two the power input end of derailleur respectively with two the turbine is connected, the pivot with be located the power take off fixed connection of the derailleur of downside, chimney inner wall cleaning mechanism movable mounting is in the pivot, the lead screw with be located the power take off fixed connection of the derailleur of upside, the screw thread sleeve rotates and installs in the centre of a circle guide slot on chimney inner wall cleaning mechanism supporting component, wherein the lead screw runs through the screw thread sleeve and with form the screw thread transmission between the screw thread sleeve, the pendulum rod passes through one-way bearing and installs on the power take off of the derailleur that is located the upside, wherein the pendulum rod is located the sack cleaner under.

Preferably, chimney inner wall clearance mechanism includes bottom plate, slider and spring, the cross mounting hole has been seted up at the middle part of bottom plate, cross mounting hole and pivot looks adaptation on the bottom plate, and then the bottom plate forms the sliding pair, at least two on the central axis direction of pivot the slider movable mounting is in the straight line guide slot of bottom plate terminal surface, and the tip of slider is equipped with the brush head, is equipped with the spring between slider and the bottom plate.

Preferably, the threaded sleeve is fittingly mounted on a circular guide groove on the side surface of the bottom plate.

Preferably, a handle is connected to the end of the turbine located on the upper side of the chimney.

Preferably, two ends of the spring are respectively and fixedly connected with the bottom plate and the sliding block.

A method for recycling coal pyrolysis waste comprises the following steps:

s1, communicating the chimney with a combustion furnace for pyrolyzing coal;

s2, when the raw coal is pyrolyzed by the combustion furnace, heat and fly ash are generated, at the moment, the fly ash generated in the chimney moves into the chimney along heat waves, the fly ash is collected by the bag-type dust collector, part of the fly ash is attached to the inner wall of the chimney, when the heat waves in the chimney are discharged outwards, the turbine is driven to rotate, the turbine transmits power to a transmission connected with the turbine, at the moment, the transmission positioned on the lower side of the chimney drives a rotating shaft to rotate, the rotating shaft drives a chimney inner wall cleaning mechanism to rotate, the inner wall of the chimney is cleaned, the transmission positioned on the upper side of the chimney drives a screw rod to rotate, the rotating screw rod drives the chimney inner wall cleaning mechanism to move upwards under the action of a threaded sleeve, and the chimney inner wall cleaning mechanism cleans the fly ash along the inner wall of the chimney in the rotating process, blowing the fly ash falling from the inner wall of the chimney into a bag-type dust collector under the action of hot waves for collection;

s3, when the chimney inner wall cleaning mechanism moves to the top of the chimney, the coal ash is cleaned, the bag-type dust collector collects the coal ash, the handle is rotated at the moment, the rotation direction of the handle is opposite to that of the hot wave driving turbine, the rotation direction of the screw rod is opposite to that of the S2, the screw rod drives the chimney inner wall cleaning mechanism to move downwards under the action of the threaded sleeve, the one-way bearing assembled with the transmission positioned on the upper side is in a locking state, the swing rod rotates along with the screw rod, the bag-type dust collector is shifted by the swing rod in a reciprocating mode at the moment, the coal ash collected in the bag-type dust collector is lifted, negative air pressure is introduced into the chimney through the air inlet pipe at the moment, the lifted coal ash is discharged, and the coal ash is recovered.

Preferably, the chimney inner wall cleaning mechanism in S2 is specifically configured in such a manner that the rotating bottom plate drives the sliding block to rotate synchronously, so that the brush head at the end of the sliding block cleans the inner wall of the chimney, and the sliding block is flexibly connected under the action of the spring, so that the sliding block does not interfere with the inner wall of the chimney when contacting the inner wall.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the turbine is driven to rotate by heat generated by coal pyrolysis, a power source is provided for the chimney inner wall cleaning mechanism, so that dust treatment can be carried out on the inner wall of the chimney in time, and the condition that a motor or other power input components work in the chimney is avoided, the temperature in the chimney is high, and if a large amount of dust is mixed, the requirement on the adaptability of the power source is high easily if other power sources are adopted, and the arrangement of the components is simplified.

Drawings

FIG. 1 is a three-dimensional schematic view of the overall structure of the present invention;

FIG. 2 is a three-dimensional schematic of the internal structure of the present invention;

FIG. 3 is a three-dimensional schematic view of a rocker of the present invention;

FIG. 4 is a three-dimensional schematic view of a chimney inner wall cleaning mechanism according to the present invention;

in the figure: the device comprises a chimney 1, a turbine 2, a transmission 3, a rotating shaft 4, a chimney inner wall 5 cleaning mechanism, a lead screw 6, a threaded sleeve 7, an oscillating bar 8, a one-way bearing 9, a bag-type dust collector 10, an air inlet pipe 11, a handle 21, a bottom plate 51, a sliding block 52, a spring 53 and a brush head 521.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1 to 4, the present invention provides a technical solution:

the utility model provides a recycle device of coal pyrolysis discarded object, includes chimney 1, turbine 2, derailleur 3, pivot 4, chimney inner wall clearance mechanism 5, lead screw 6, threaded sleeve 7, pendulum rod 8, one-way bearing 9 and sack cleaner 10, wherein:

the bag-type dust collector 10 is arranged in the chimney 1 and positioned at the top of the chimney 1, the top of the chimney 1 is provided with an air inlet pipe 11, wherein the air inlet pipe 11 is right opposite to the bag-type dust collector 10, the air inlet pipe 11 is used for being externally connected with a negative pressure pump, further, the negative pressure is introduced into the air inlet pipe 11 through the negative pressure pump to recover the fly ash collected by the bag-type dust collector 10, the two turbines 2 are respectively and rotatably arranged at the two ends of the chimney 1 through bearings, the end part of the turbine 2 positioned at the upper side of the chimney 1 is connected with a handle 21, the two speed changers 3 are respectively arranged at the two ends of the chimney 1 and respectively connected with the inner wall of the chimney 1, the power input ends of the two speed changers 3 are respectively connected with the two turbines 2, wherein the speed changers 3 are, the chimney inner wall cleaning mechanism 5 comprises a bottom plate 51, sliders 52 and springs 53, wherein cross-shaped mounting holes are formed in the middle of the bottom plate 51, the cross-shaped mounting holes in the bottom plate 51 are matched with the rotating shaft 4, further, a moving pair is formed in the bottom plate 51 in the central axis direction of the rotating shaft 4, the bottom plate 51 can synchronously rotate along with the rotating shaft 4 when the rotating shaft 4 rotates, at least two sliders 52 are movably mounted in linear guide grooves in the end surface of the bottom plate 51, brush heads 521 are arranged at the end parts of the sliders 52, the brush heads 521 are in contact with the inner wall of the chimney 1, springs 53 are arranged between the sliders 52 and the bottom plate 51, wherein the two ends of each spring 53 are respectively fixedly connected with the bottom plate 51 and the corresponding slider 52, the lead screw 6 is fixedly connected with the power output end of the transmission 3 positioned on the upper side, the threaded sleeve 7 is mounted on a circular guide groove in the side surface of the bottom plate 51 in a matched mode, and further, a rotating pair is formed between the threaded sleeve 7 and the bottom plate 51, wherein the lead screw 6 passes through the threaded sleeve 7 and forms thread transmission with the threaded sleeve 7, so when the bottom plate 51 rotates, the threaded sleeve 7 and the bottom plate 51 rotate relatively due to the assembly relation between the lead screw 6 and the threaded sleeve 7, the swing rod 8 is installed on the power output end of the transmission 3 positioned on the upper side through the one-way bearing 9, wherein the swing rod 8 is positioned under the bag-type dust collector 10, and the end part of the swing rod 8 can be contacted with the bag-type dust collector 10 when moving to the side of the bag-type dust collector 10.

A method for recycling coal pyrolysis waste comprises the following steps:

s1, communicating the chimney 1 with a pyrolysis coal combustion furnace, discharging fly ash generated by pyrolysis of the combustion furnace through the chimney 1, and externally connecting the air inlet pipe 11 with a negative pressure pump;

s2, when a combustion furnace pyrolyzes raw coal, heat and fly ash are generated, at the moment, the fly ash generated in the chimney 1 moves into the chimney 1 along heat waves, then the fly ash is collected by the bag-type dust collector 10, part of the fly ash is attached to the inner wall of the chimney 1, when the heat waves in the chimney 1 are discharged outwards, the turbine 2 is driven to rotate, then the turbine 2 transmits power to the transmission 3 connected with the turbine 2, then the transmission 3 can adjust the speed and convert the movement direction, at the moment, the transmission 3 positioned on the lower side of the chimney 1 drives the rotating shaft 4 to rotate, then the rotating shaft 4 drives the chimney inner wall cleaning mechanism 5 to rotate, and further the inner wall of the chimney 1 is cleaned, specifically, the rotating shaft 4 drives the bottom plate 51 to rotate and further the sliding block 52 to rotate synchronously with the sliding block, then the brush head 521 at the end of the sliding block 52 cleans the inner wall of the chimney 1, and the slide block 52 is flexibly connected under the action of the spring 53, so that the slide block 52 can not generate movement interference when contacting with the inner wall of the chimney 1, and the transmission 3 on the upper side of the chimney 1 drives the screw rod 6 to rotate, the rotating screw rod 6 drives the bottom plate 51 to move upwards along the central axis direction of the rotating shaft 4 under the action of the threaded sleeve 7, and the bottom plate 51 moves linearly during the rotation process, because the threaded sleeve 7 and the bottom plate 51 rotate relatively due to the assembly relationship between the screw rod 6 and the threaded sleeve 7, even if the bottom plate 51 rotates and does not move linearly, the movement interference does not occur, the movement of the bottom plate 51 in two directions can effectively clean the fly ash attached to the inner part of the chimney 1, and the fly ash falling from the inner wall of the chimney 1 is blown into the bag-type dust collector 10 under the action of hot waves to be collected;

s3, when the chimney inner wall cleaning mechanism 5 moves to the top of the chimney 1, the fly ash is cleaned, the bag-type dust collector 10 collects the fly ash attached to the inner wall of the chimney 1, the handle 21 is rotated at the moment, the rotation direction of the handle 21 is opposite to that of the hot wave driving turbine 2, then the rotation direction of the screw rod 6 is opposite to that in S2, the screw rod 6 drives the chimney inner wall cleaning mechanism 5 to move downwards under the action of the threaded sleeve 7, the one-way bearing 9 assembled with the transmission 3 positioned on the upper side is in a locking state, then the swing rod 8 rotates along with the screw rod, the bag-type dust collector 10 with the swing rod 8 reciprocating at the moment is stirred, the fly ash collected in the bag-type dust collector 10 is lifted, at the moment, negative air pressure is introduced into the chimney 1 through the air inlet pipe 11, then the lifted fly ash is discharged, and then the fly ash is recovered.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a recycle device of pyrolysis of coal discarded object, includes chimney (1), turbine (2), derailleur (3), pivot (4), chimney inner wall clearance mechanism (5), lead screw (6), screw sleeve (7), pendulum rod (8), one-way bearing (9) and sack cleaner (10), sack cleaner (10) set up in chimney (1) and are located the top of chimney (1), and the top of chimney (1) is equipped with intake pipe (11), and wherein intake pipe (11) face sack cleaner (10), its characterized in that:

the two turbines (2) are respectively installed at two ends of a chimney (1) through rotation of a bearing, the two speed changers (3) are respectively arranged at two ends of the chimney (1) and respectively connected with the inner wall of the chimney (1), power input ends of the two speed changers (3) are respectively connected with the two turbines (2), a rotating shaft (4) is fixedly connected with a power output end of the speed changer (3) located on the lower side, a chimney inner wall cleaning mechanism (5) is movably installed on the rotating shaft (4), the chimney inner wall cleaning mechanism (5) comprises a bottom plate (51), a sliding block (52) and a spring (53), a cross-shaped installation hole is formed in the middle of the bottom plate (51), the cross-shaped installation hole in the bottom plate (51) is matched with the rotating shaft (4), then the bottom plate (51) forms a moving pair in the direction of the central axis of the rotating shaft (4), at least two sliding blocks (52) are movably installed in a straight line guide groove in the end face of the bottom plate (51), the end part of the sliding block (52) is provided with a brush head (521), a spring (53) is arranged between the sliding block (52) and the bottom plate (51), the screw rod (6) is fixedly connected with a power output end of the transmission (3) positioned on the upper side, the threaded sleeve (7) is installed on a circular guide groove in the side surface of the bottom plate (51) in a matched mode, a rotating pair is further formed between the threaded sleeve (7) and the bottom plate (51), the screw rod (6) penetrates through the threaded sleeve (7) and forms threaded transmission with the threaded sleeve (7), the swing rod (8) is installed on the power output end of the transmission (3) positioned on the upper side through a one-way bearing (9), and the swing rod (8) is positioned under the bag-type dust collector (10).

2. The recycling apparatus of coal pyrolysis waste as claimed in claim 1, wherein: the end part of the turbine (2) positioned at the upper side of the chimney (1) is connected with a handle (21).

3. The recycling apparatus of coal pyrolysis waste as claimed in claim 1, wherein: two ends of the spring (53) are respectively and fixedly connected with the bottom plate (51) and the sliding block (52).

4. A method for recycling coal pyrolysis waste is characterized by comprising the following steps:

s1, communicating the chimney (1) with a combustion furnace for pyrolyzing coal;

s2, when a combustion furnace pyrolyzes raw coal, heat and fly ash are generated, at the moment, the fly ash generated in a chimney (1) moves into the chimney (1) along hot waves, then the fly ash is collected by a bag-type dust collector (10), part of the fly ash is attached to the inner wall of the chimney (1), when the hot waves in the chimney (1) are discharged outwards, a turbine (2) is driven to rotate, then the turbine (2) transmits power to a transmission (3) connected with the turbine, at the moment, the transmission (3) positioned on the lower side of the chimney (1) drives a rotating shaft (4) to rotate, then the rotating shaft (4) drives a chimney inner wall cleaning mechanism (5) to rotate, so that the inner wall of the chimney (1) is cleaned, and the transmission (3) positioned on the upper side of the chimney (1) drives a screw rod (6) to rotate, then the rotating screw rod (6) drives the chimney inner wall cleaning mechanism (5) to move upwards under the action of a threaded sleeve (7), then the chimney inner wall cleaning mechanism (5) cleans the fly ash along the inner wall of the chimney (1) in the rotating process, and the fly ash falling from the inner wall of the chimney (1) is blown into the bag-type dust collector (10) under the action of hot waves to be collected;

s3, when the chimney inner wall cleaning mechanism (5) moves to the top of the chimney (1), the fly ash is cleaned, the bag-type dust collector (10) finishes collection, the handle (21) is rotated at the moment, the rotation direction of the handle (21) is opposite to that of the hot wave driving turbine (2), then the screw rod (6) is opposite to that in S2, the screw rod (6) drives the chimney inner wall cleaning mechanism (5) to move downwards under the action of the threaded sleeve (7), the one-way bearing (9) assembled with the transmission (3) positioned on the upper side is in a locking state, then the swing rod (8) rotates along with the screw rod, the swing rod (8) toggles the bag-type dust collector (10) in a reciprocating mode, then the fly ash collected in the bag-type dust collector (10) is lifted, negative air pressure is introduced into the chimney (1) through the air inlet pipe (11), and then the lifted fly ash is discharged, thereby completing the recovery of the fly ash.

5. The method for recycling coal pyrolysis waste as claimed in claim 4, wherein the method comprises the following steps: the cleaning mode of the chimney inner wall cleaning mechanism (5) in the S2 is specifically that the rotating bottom plate (51) drives the sliding block (52) to rotate synchronously, then the brush head (521) at the end part of the sliding block (52) cleans the inner wall of the chimney (1), the sliding block (52) is flexibly connected under the action of the spring (53), and further, the sliding block (52) does not move to interfere with the inner wall of the chimney (1) when contacting with the inner wall of the chimney.