A kind of cyclone separator with scraper and conveying device
Technical field
The invention belongs to gas solid separation technical fields, more particularly, to one kind for heap density compared with small, water capacity is big, easily glutinous
Tie cyclone separator inner wall solid powder gas-solid separating device, wherein solid powder include but is not limited to light soda ash,
Sodium bicarbonate etc..
Background technique
The cyclone separator that the dry vent gas treatment of China's soda ash calcining furnace furnace gas, sodium bicarbonate uses at present, in production process
In the defect that is primarily present be: 1, light soda ash, the heap density of sodium bicarbonate are smaller, and water capacity is big, is easily attached on cyclonic separation
It on the inner wall of device, is not easy that cyclone separator is discharged, and then causes cyclone separator inside putty or blanking unsmooth, dust is with gas
Into follow-up system, needs often artificially to beat cyclone separator outer wall or parking cleaning, influence service life of equipment, reduce
The continuity of produce load and production;2, cyclone separator bottom discharge port is to achieve the purpose that lock gas, is needed using under star-like
Glassware or gate valve etc., but star-like blanking device impeller is easy to stick material, for containing wet biggish gas solid separation in drying process,
It is easy to lose discharging ability;The needs such as gate valve are periodically artificially cleared up, heavy workload, and due to the fluctuation of production and it is artificial because
Element, can not accurate and timely discharge.
The putty of cyclone separator or the unsmooth low separation efficiency that will cause cyclone separator of blanking, maintenance of equipment rate
High, production discontinuity, and then increase production cost.
Summary of the invention
In view of this, the present invention is directed to propose a kind of cyclone separator with scraper and conveying device, is divided with solving whirlwind
When being applied to the gas solid separation for the solid powder that heap density greatly, is easily cohered compared with small, water capacity from device, existing solid powder sticks
The problem of causing blanking unsmooth or putty on cyclone separator inner wall, to improve gas-solid disngaging efficiency and process equipment life
The continuity of production reduces maintenance of equipment rate, reduces production cost.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of cyclone separator with scraper and conveying device, including integrally formed upper shell and lower shell;
The upper shell is located above lower shell, and upper shell is equipped with air inlet and air outlet;
The lower shell bottom is equipped with discharge port;Connection pipe nipple and device for transporting objects are equipped with below the lower shell;Institute
Connection pipe nipple upper end is stated to connect with lower shell;The device for transporting objects is perpendicular to connection pipe nipple, and one end is horizontal through connection
Connect pipe nipple;Scraper is equipped in the lower shell, discharge port and connection pipe nipple are successively stretched out in the scraper lower end, described
Scraper is coupling arranged in dislocation in pipe nipple with device for transporting objects;The scraper is fixedly connected with connection pipe nipple.Upper cylinder
The planform of body and lower shell is unlimited, has no specific limitation to the structure type of entire cyclone separator.
Further, the device for transporting objects is screw conveyor;The shell and main shaft of the screw conveyor pass through
Couple pipe nipple;Slanting baffle is equipped in the connection pipe nipple;The slanting baffle both ends respectively with couple pipe nipple and screw conveyor
Case weld.
Further, the scraper includes scraper shaft, scraper motor and chain;Described scraper shaft one end passes through support
Beam is fixed in lower shell, and the other end sequentially passes through discharge port and connection pipe nipple is connect with scraper motor;The scraper shaft and spiral shell
The main shaft for revolving conveyer is coupling arranged in dislocation in pipe nipple, is not provided with helical blade on main shaft at arranged in dislocation;The scraper electricity
Machine couples pipe nipple by flanged joint;Be cased with the first cantilever in the scraper shaft, first cantilever be located at below supporting beam and
The two close to;First cantilever is equipped with several chains, the chain and the first cantilever junction close to lower shell inner wall;Institute
It states chain lower end and extends to discharge port upper end.First cantilever and supporting beam distance are close as far as possible in the case where installation license;It is described
The position that chain couples with cantilever and cyclone separator wall surface are close as far as possible.
Further, the chain and the first cantilever junction are away from being 1~5mm at a distance from lower shell inner wall;The chain
It freely hangs on lower shell inner wall.
Further, the chain is parallel with lower shell inner wall, between the two away from for 1~5mm;The chain lower end is connected to
On second cantilever, the second cantilever covers in scraper shaft;Second cantilever is located in lower shell;The chain length than chain and
First cantilever junction is away from discharge port apart from big 10~50mm;Connecting flange is equipped on first cantilever and the second cantilever.
It is equipped with connecting flange on first cantilever and the second cantilever, the installation and maintenance of scraper can be convenient for.
Further, the scraper shaft protrudes into 1/3~1 times that the length of lower shell is lower shell height;The chain
Quantity is 2~3;Chain is iron chains;Hollow pipe and dust-proof shroud are cased in the scraper shaft;The hollow pipe upper end passes through
Material mouth protrudes into lower shell, and lower end is protruded into connection pipe nipple and welded with the shell of screw conveyor and slanting baffle;The dust-proof shroud
Top is welded in scraper shaft;It is located above hollow pipe at the top of the dust-proof shroud, discharge port is stretched out in lower end;The Dustproof pipe
Cover diameter is more than or equal to hollow pipe diameter.Hollow pipe, dust-proof shroud and scraper shaft form labyrinth sealing channel.
Further, the scraper shaft protrudes into 1/3~2/3 times that the length of lower shell is lower shell height;It is described hollow
The length that pipe protrudes into lower shell is 50~500mm;The hollow pipe lower end stretches out the shell of screw conveyor and extends to connection
Pipe nipple bottom;The dust-proof shroud top is 20~150mm away from hollow pipe distance from top;Discharging is stretched out in the dust-proof shroud lower end
The length of mouth is 0~20mm;The dust-proof shroud diameter is 0~15mm bigger than hollow pipe diameter;The hollow pipe diameter compares scraper
Big 0~the 15mm of shaft diameter.The scraper shaft diameter can be determined according to the length of scraper shaft, be not specifically limited here.
Further, the scraper shaft is hollow shaft or solid shafting;The scraper shaft and supporting beam by sliding bearing or
Rolling bearing connection, it is preferred that the scraper shaft is connect with supporting beam by sliding bearing;Scraper shaft is set close to supporting beam one end
There is retainer nut;The hollow pipe diameter is 0~10mm bigger than scraper shaft diameter;The dust-proof shroud diameter is bigger than hollow pipe diameter
0~10mm, it is preferred that hollow pipe diameter is 0~6mm bigger than scraper shaft diameter, and the dust-proof shroud diameter is bigger than hollow pipe diameter by 0
~6mm.Sliding bearing includes bearing block, bearing holder (housing, cover), bearing liner, bearing cap and bolt;Rolling bearing includes bearing block, the axis of rolling
It holds, bearing cap and bolt.Sliding bearing or rolling bearing can play the role of limit, and limitation scraper shaft moves up.Retainer nut's
Setting, scraper shaft when overhauling is removed for scraper motor can be suspended in supporting beam and not have to extract out scraper shaft.
Further, the revolving speed of the scraper shaft is 1~30r/min, and preferred revolving speed is 1~15r/min, more preferably
Revolving speed is 2~10r/min.
Further, the connection pipe nipple and the opposite side of scraper motor are all made of packing seal;Couple pipe nipple under
Cylinder uses flanged joint;The shell of slanting baffle and screw conveyor presss from both sides obtuse angle.Couple pipe nipple and the opposite side of scraper motor
It is all made of packing seal, dust can preventing denier, may being overflowed by labyrinth seal channel enters motor drive side.Tiltedly gear
The shell of plate and screw conveyor presss from both sides obtuse angle, can specifically be determined according to the stocking angle of material.
Compared with the existing technology, a kind of cyclone separator with scraper and conveying device of the present invention has following excellent
Gesture:
(1) a kind of cyclone separator with scraper and conveying device of the present invention, due in traditional cyclonic separation
It is respectively provided with scraper and device for transporting objects inside and below device, can will be adhered to powder on cyclone separator inner wall and pass through
Built-in scraper rotation is scraped to discharge port, then is transported to downstream process through device for transporting objects, and rationally, structure is simple for design
It is single, without the artificial or glutinous material of shutdown cleaning inner wall, putty and blanking can be effectively prevent unsmooth, work efficiency is high.It is of the present invention
A kind of cyclone separator with scraper and conveying device, can be applied to the solid powder that heap density is big compared with small, water capacity, easily coheres
The gas solid separation of material is particularly suitable for the gas solid separation of light soda ash calcining furnace furnace gas and sodium bicarbonate pneumatic conveying drying tail gas etc..
(2) a kind of cyclone separator with scraper and conveying device of the present invention drives scraper using scraper motor
Axis, and then the chain for being placed against or near lower shell inner wall rotation is driven to strike off, the glutinous material on cyclone separator inner wall can be carried out
Effectively strike off;Connection pipe nipple and the opposite side of scraper motor are all made of packing seal, can prevent denier, may be by labyrinth
The dust that sealed passage is overflowed enters motor drive side;Material is transported using screw conveyor, is not easy glutinous material, conveying capacity is steady
Fixed, transfer efficiency is high.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of the cyclone separator with scraper and conveying device described in the embodiment of the present invention 1;
Fig. 2 is sliding bearing in a kind of cyclone separator with scraper and conveying device described in the embodiment of the present invention 1
Structural schematic diagram;
Fig. 3 is the A-A direction view of Fig. 1;
Fig. 4 is the enlarged drawing in Fig. 3 at B;
Fig. 5 is scraper shaft in a kind of cyclone separator with scraper and conveying device described in the embodiment of the present invention 1, hollow
The position view of pipe and dust-proof shroud;
Fig. 6 is a kind of structural schematic diagram of cyclone separator in comparative example of the present invention.
Description of symbols:
1- upper shell;2- lower shell;3- air inlet;4- air outlet;5- discharge port;6- couples pipe nipple;7- material conveying dress
It sets;8- scraper;81- scraper shaft;82- scraper motor;83- chain;84- supporting beam;The first cantilever of 85-;86- second is outstanding
Arm;87- connecting flange;88- sliding bearing;881- bearing block;882- bearing holder (housing, cover);883- bearing liner;884- bearing cap;885- spiral shell
Bolt;89- retainer nut;9- slanting baffle;10- hollow pipe;The dust-proof shroud of 11-.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in Fig. 1, Fig. 3-Fig. 5, a kind of cyclone separator with scraper and conveying device, including integrally formed upper cylinder
Body 1 and lower shell 2;
The upper shell 1 is located at 2 top of lower shell, and upper shell 1 is equipped with air inlet 3 and air outlet 4;
2 bottom of lower shell is equipped with discharge port 5;Connection pipe nipple 6 and device for transporting objects are equipped with below the lower shell 2
7;6 upper end of connection pipe nipple is connect with lower shell 2;The device for transporting objects 7 is perpendicular to connection pipe nipple 6, and one end water
It puts down across connection pipe nipple 6;It is equipped with scraper 8 in the lower shell 2,5 He of discharge port is successively stretched out in 8 lower end of scraper
Couple pipe nipple 6, the scraper 8 is coupling arranged in dislocation in pipe nipple 6 with device for transporting objects 7;The scraper 8 is fixed
Connection connection pipe nipple 6.
The device for transporting objects 7 is screw conveyor;The shell and main shaft of the screw conveyor pass through connection pipe nipple
6;Slanting baffle 9 is equipped in the connection pipe nipple 6;9 both ends of slanting baffle respectively with the shell that couples pipe nipple 6 and screw conveyor
Welding.The setting of slanting baffle can make powder smoothly fall to screw conveyor.
The scraper 8 includes scraper shaft 81, scraper motor 82 and chain 83;Described 81 one end of scraper shaft passes through support
Beam 84 is fixed in lower shell 2, and the other end sequentially passes through discharge port 5 and connection pipe nipple 6 is connect with scraper motor 82;The scraper
Axis 81 is coupling arranged in dislocation in pipe nipple 6 with the main shaft of screw conveyor, is not provided with helical blade on main shaft at arranged in dislocation;Institute
It states scraper motor 82 and pipe nipple 6 is coupled by flanged joint;The first cantilever 85, first cantilever 85 are cased in the scraper shaft 81
Positioned at the lower section of supporting beam 84 and the two close to;First cantilever 85 is equipped with several chains 83, and the chain 83 and first is outstanding
85 junction of arm is close to 2 inner wall of lower shell;83 lower end of chain extends to 5 upper end of discharge port.Scraper motor and connecting short section
Using flanged joint, overhaul of the equipments can be convenient for.
The chain 83 is parallel with 2 inner wall of lower shell, between the two away from for 2mm;It is outstanding that 83 lower end of chain is connected to second
On arm 86, the second 86 sets of cantilever is in scraper shaft 81;Second cantilever 86 is located in lower shell 2;The 83 length ratio of chain
Chain 83 and 85 junction of the first cantilever are away from discharge port 5 apart from big 30mm;It is all provided on first cantilever 85 and the second cantilever 86
There is connecting flange 87.
The length that the scraper shaft 81 protrudes into lower shell 2 is 1/3 times of 2 height of lower shell;The quantity of the chain 83 is 2
Item;Chain 83 is iron chains;Hollow pipe 10 and dust-proof shroud 11 are cased in the scraper shaft 81;10 upper end of hollow pipe passes through
Material mouth 5 protrudes into lower shell 2, and lower end is protruded into connection pipe nipple 6 and welded with the shell of screw conveyor and slanting baffle 9;It is described dust-proof
It is welded at the top of shroud 11 in scraper shaft 81;It is located at 10 top of hollow pipe at the top of the dust-proof shroud 11, discharging is stretched out in lower end
Mouth 5;11 diameter of dust-proof shroud is more than or equal to 10 diameter of hollow pipe.Hollow pipe, dust-proof shroud and scraper shaft three form fan
Palace formula sealing structure, the interconnecting piece that can prevent the dust in cyclone separator from passing through scraper shaft and coupling pipe nipple or screw conveyor
Position is diffused into external environment or scraper motor drive side.
The length that the hollow pipe 10 protrudes into lower shell 2 is 200mm;Screw conveyor is stretched out in 10 lower end of hollow pipe
Shell simultaneously extends to connection 6 bottom of pipe nipple;11 top of dust-proof shroud is 80mm away from 10 distance from top of hollow pipe;It is described dust-proof
The length that discharge port 5 is stretched out in 11 lower end of shroud is 12mm;11 diameter of dust-proof shroud is 5mm bigger than 10 diameter of hollow pipe;It is described
10 diameter of hollow pipe is 4mm bigger than 81 diameter of scraper shaft.
The scraper shaft 81 is solid shafting;The scraper shaft 81 is connect with supporting beam 84 by sliding bearing 88;Scraper shaft
81 are equipped with retainer nut 89 close to 84 one end of supporting beam.Sliding bearing 88 can play the role of limit, as shown in Fig. 2, sliding axle
Holding 88 includes bearing block 881, bearing holder (housing, cover) 882, bearing liner 883, bearing cap 884 and bolt 885.
The revolving speed of the scraper shaft 81 is 6r/min.
The connection pipe nipple 6 and the opposite side of scraper motor 82 are all made of packing seal;Couple pipe nipple 6 and lower shell 2
Using flanged joint;The shell of slanting baffle 9 and screw conveyor presss from both sides obtuse angle.
The working process of this embodiment is as follows:
In use, 45000m3/ h, 115 DEG C of light soda ash calcining furnace furnace gas introduce cyclone separator from air inlet 3
In, be centrifuged, remove the furnace gas of light soda ash and be discharged from air outlet 4, light soda ash got rid of due to the effect of centrifugal force to
On the interior wall of lower shell 2 (vertical height 4700mm) of cyclone separator, part light soda ash is straight due to the effect of centrifugal force, gravity
It connects and device for transporting objects 7 is drained by discharge port 5, remaining light soda ash is attached on 2 inner wall of lower shell;Scraper shaft 81 is through scraper electricity
Machine 82, which drives, carries out rotation, and then chain 83 is driven to rotate with the speed of 6r/min, and the chain 83 and lower shell 2 of rotation rub,
The light soda ash being attached on 2 inner wall of lower shell is scraped, the light soda ash of whereabouts is defeated by device for transporting objects 7 through discharge port 5
It is sent to downstream.Operative employee is not necessarily to carry out manual cleaning into cyclone separator, only needs to carry out routine maintenance to it every year.
Comparative example
As shown in fig. 6, a kind of cyclone separator, including integrally formed upper shell 1 and lower shell 2;The upper shell 1
Above lower shell 2, upper shell 1 is equipped with air inlet 3 and air outlet 4;2 bottom of lower shell is equipped with discharge port 5.
This comparative example course of work:
45000m3/ h, 115 DEG C of light soda ash calcining furnace furnace gas enter in cyclone separator from air inlet 3, through being centrifuged
Separation, the furnace gas for removing light soda ash are discharged from the air outlet 4 of cyclone separator, and light soda ash is got rid of due to the effect of centrifugal force
To the interior wall of lower shell 2 (vertical height 4700mm) of cyclone separator, effect of the part light soda ash due to centrifugal force, gravity
Upstream device is directly drained by discharge port 5, remaining light soda ash is then adhered on 2 inner wall of lower shell.Operative employee each 8 hours
It needs to beat 2 outer wall of cyclone separator lower shell with objects such as hammers, so that the light soda ash being adhered on inner wall is smoothly discharged
Cyclone separator, but the damage of equipment is caused, equipment life is influenced, and periodically need to stop and be cleared up greatly.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
" light soda ash " described in the present invention, " calcining furnace furnace gas " and " sodium bicarbonate pneumatic conveying drying tail gas ", are not used to
Specific separating medium of the invention is limited, also and non-limiting application range of the invention, convenient purpose is only expressed and is carried out
Certain description.All media can carry out gas solid separation using this equipment, should be protection scope of the present invention.
Words such as " scrapers ", " scraper shaft ", " chain ", " dust-proof shroud " and " labyrinth seal " that the present invention describes, and
It is not intended to limit the invention the specific component of middle cyclone separator, the proprietary name of used part of appliance also and in non-present invention
Word, only states the structure type that convenient purpose embodies cyclone separator, and all present invention that can reach are solved due to powder
The target structure or component for the problem of being attached on cyclone separator inner wall and causing blanking unsmooth or putty are all contained in this hair
In bright protection scope, this understanding to " scraper ", " scraper shaft ", " chain ", " dust-proof shroud " and " labyrinth seal "
It is considered in the knowledge of those skilled in the range.