CN214809269U

CN214809269U - Semi-dry desulfurization and denitrification device sack dust collector

Info

Publication number: CN214809269U
Application number: CN202121391551.7U
Authority: CN
Inventors: 吴道斌; 左涛; 刘建邦
Original assignee: Fujian Eversun Technology Co ltd
Current assignee: Fujian Eversun Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-11-23
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a semidry desulfurization and denitrification device cloth bag dust removal device, which belongs to the technical field of cloth bag dust removal equipment and comprises a dust removal tank, wherein a rotary straight pipe is rotatably connected on the dust removal tank, a rotary joint is connected at the top end of the rotary straight pipe, a cross-shaped support is rotatably connected at the bottom end of the rotary straight pipe and fixed in the dust removal tank, an air exhaust fan is fixed at the top end of the dust removal tank through an inverted L-shaped support, an air inlet of the air exhaust fan is connected with an air inlet cover, an air outlet of the air exhaust fan is fixedly connected with a bent pipe, a driven gear fixedly connected outside the rotary straight pipe is arranged below the rotary joint, and a driving gear is engaged and connected with one side of the driven gear; through the setting of clearance mechanism, can rotate at a plurality of dust removal sack rotor plates along with to can clear away the dust of every dust removal sack outer wall adhesion, improve the filtering quality of dust removal sack greatly, make the dust removal effect of dust removal sack good, excellent in use effect.

Description

Semi-dry desulfurization and denitrification device sack dust collector

Technical Field

The utility model belongs to the technical field of sack dust collecting equipment, concretely relates to semidry desulfurization denitration device sack dust collector.

Background

A dust collector or dust removal equipment is equipment that separates dust from flue gas. The bag-type dust collector is also called a filter type dust collector, and is a dry type high-efficiency dust collector which is a dust collector for collecting solid particles in dust-containing gas by utilizing a bag-type filter element made of fiber weaved materials. The action principle is that dust particles are intercepted by colliding with the fibers due to the action of inertia force when bypassing the fibers of the filter cloth.

At present, when the flue gas of semi-dry desulfurization and denitration is handled, need use sack dust collector, current sack dust collector, filterable dust is easy to adhere on the inner wall of dust removal jar in its flue gas, lead to the degree of difficulty increase of the dust of adhesion on the later stage clearance dust removal jar inner wall, greatly reduced dust removal jar's life, and the easy adhesion of filterable dust is on dust removal sack outer wall in the flue gas simultaneously, lead to the dust removal performance greatly reduced of dust removal sack, influence the effect of dust removal.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a semidry desulfurization and denitrification device sack dust collector to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cloth bag dust removing device of a semi-dry desulfurization and denitrification device comprises a dust removing tank, wherein a rotating straight pipe is rotatably connected onto the dust removing tank, a rotary joint is connected to the top end of the rotating straight pipe, a cross-shaped support is rotatably connected to the bottom end of the rotating straight pipe and fixed in the dust removing tank, an exhaust fan is fixed to the top end of the dust removing tank through an inverted L-shaped support, an air inlet of the exhaust fan is connected with an air inlet cover, an elbow is fixedly connected to the air outlet of the exhaust fan, a driven gear fixedly connected to the outer side of the rotating straight pipe is arranged below the rotary joint, a driving gear is meshed with one side of the driven gear, a driving motor fixed on the inverted L-shaped support is further arranged on one side of the exhaust fan, an output shaft of the driving motor penetrates through the inverted L-shaped support and is connected with an installation shaft hole of the driving gear, a rotating plate is rotatably connected into the dust removing tank and fixedly connected to the outer side of the rotating straight pipe, a metal bag cage penetrates through and is fixed on the periphery of the rotating plate, dust removing cloth bags are fixedly sleeved on the outer sides of the metal bag cages, and a cleaning mechanism and a reciprocating swing dust blowing mechanism are connected between the rotating plate and the dust removing tank.

As a preferred embodiment, an air inlet pipe is fixed at an air inlet on one side wall of the dust removal tank, an exhaust pipe is fixed at an air outlet on one side wall of the dust removal tank, an ash discharge pipe is fixed at an ash discharge port at the bottom end of the dust removal tank, an electromagnetic valve is installed on the ash discharge pipe, a filter screen is fixed at the air inlet of the air inlet cover, one end of the bent pipe penetrates through the inverted L-shaped support and is connected with the top end of the rotary joint, an annular sliding block with a cross section being in an annular shape is fixedly connected to the outer side of the rotating plate, and an annular sliding groove matched with the annular sliding block is formed in the inner wall of the dust removal tank.

As a preferred embodiment, clearance mechanism is including rotating a plurality of reciprocal lead screws of connection on the rotor plate, and a plurality of reciprocal lead screws are annular array and arrange on the rotor plate, and the equal screw drive in the outside of reciprocal lead screw is connected with the connecting block, and the one end of connecting block all is fixed with annular cleaning brush, and the equal movable sleeve of annular cleaning brush is established in the dust removal sack outside that corresponds, and one side of reciprocal lead screw all is equipped with the riser of fixing in the rotor plate bottom.

As a preferred embodiment, the outer sides of the annular cleaning brushes are fixed with guide seats, guide grooves matched with the guide seats are formed in vertical plates, the annular cleaning brushes are connected to the corresponding vertical plates in a sliding mode through the corresponding guide seats and the corresponding guide grooves, the top ends of the reciprocating lead screws are fixed with first transmission gears, the outer sides of the first transmission gears are connected with the same transmission gear ring in a meshed mode, and the transmission gear ring is fixed inside the dust removal tank.

As a preferred embodiment, reciprocal swing soot blower includes a plurality of fixed cylinders, and a plurality of fixed cylinders are the annular array and arrange on the top of rotor plate, and the equal sliding connection in inside of fixed cylinder has the movable block, all runs through on the movable block and is fixed with the movable rod, and the bottom of movable block all is connected with the spring with between the fixed cylinder interior diapire that corresponds, and the equal movable sleeve of spring is established in the movable rod outside that corresponds, and the bottom of movable rod all slides in proper order and runs through corresponding fixed cylinder, rotor plate to the rigid coupling has n type adjustable shelf.

As a preferred embodiment, two flexible hoses are fixed on the peripheral side walls of the rotating straight pipe, one end of each flexible hose is communicated with the inside of the rotating straight pipe, the other end of each flexible hose is fixed with a spray head, rotating shafts are fixed on the two side walls of the spray head, the outer sides of the rotating shafts are rotatably connected with connecting plates, one end of each connecting plate is fixed on the side wall of the rotating straight pipe, a second transmission gear is fixed at one end of each rotating shaft, a plurality of teeth are fixed on the two side walls of the n-type movable frame at equal intervals, the n-type movable frame is meshed with the corresponding second transmission gear through the plurality of teeth, the top end of each movable rod penetrates through the corresponding fixed cylinder in a sliding mode and is fixedly connected with a sphere, and a plurality of semicircular spheres distributed in an annular array mode are fixed on the inner top wall of the dust removing tank.

Compared with the prior art, the utility model provides a pair of semidry desulfurization and denitrification device sack dust collector includes following beneficial effect at least:

(1) through the arrangement of the cleaning mechanism, dust adhered to the outer wall of each dust removal cloth bag can be cleaned while the plurality of dust removal cloth bags rotate along with the rotating plates, so that the filtering performance of the dust removal cloth bags is greatly improved, and the dust removal effect of the dust removal cloth bags is good and the using effect is good;

(2) through the setting of reciprocal swing soot blower mechanism, can carry out the pivoted in the rotor plate to drive a plurality of shower nozzles and all can reciprocate from top to bottom the activity, thereby can blow off the dust of adhesion on the dust removal tank inner wall, make things convenient for then that the later stage together discharges from the ash discharge pipe, the degree of difficulty of the dust of adhesion on the greatly reduced later stage clearance dust removal tank inner wall, and improve the life of dust removal tank.

Drawings

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

FIG. 2 is a schematic view of the dust-removing tank of the present invention;

FIG. 3 is a schematic structural view showing the components of the rotating plate of the present invention expanded;

fig. 4 is an enlarged schematic structural view at a position a of the present invention;

fig. 5 is a schematic structural view illustrating the expansion of the movable block and the spring according to the present invention.

In the figure: 1. a dust removal tank; 2. an air inlet pipe; 3. an exhaust pipe; 4. an ash discharge pipe; 5. rotating the straight pipe; 51. a rotary joint; 52. a driven gear; 53. a cross-shaped bracket; 6. an exhaust fan; 61. an air intake hood; 62. bending the pipe; 7. a drive motor; 71. a driving gear; 8. a rotating plate; 81. an annular slider; 82. a metal bag cage; 83. a dust removal cloth bag; 9. a cleaning mechanism; 901. a reciprocating screw; 902. connecting blocks; 903. an annular cleaning brush; 904. a vertical plate; 905. a guide seat; 906. a first transmission gear; 907. a transmission gear ring; 10. a reciprocating swing soot blowing mechanism; 1001. a fixed cylinder; 1002. a movable block; 1003. a movable rod; 1004. a spring; 1005. an n-type movable frame; 1006. a spray head; 1007. a rotating shaft; 1008. a second transmission gear; 1009. a flexible hose; 1010. teeth; 1011. a sphere; 1012. a semi-sphere.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-5, the utility model provides a cloth bag dust collector of semi-dry desulfurization and denitrification device, which comprises a dust collection tank 1, an air inlet pipe 2, an exhaust pipe 3, an ash discharge pipe 4, a rotary straight pipe 5, a rotary joint 51, a driven gear 52, a cross-shaped bracket 53, an exhaust fan 6, an air inlet hood 61, a bent pipe 62, a driving motor 7, a driving gear 71, a rotating plate 8, an annular slide block 81, a metal bag cage 82, a dust collection cloth bag 83, a cleaning mechanism 9, a reciprocating lead screw 901, a connecting block 902, an annular cleaning brush 903, a vertical plate 904, a guide seat 905, a first transmission gear 906, a transmission gear ring 907, a reciprocating swing ash blowing mechanism 10, a fixed cylinder 1001, a movable block 1002, a movable rod, a spring 1004, an n-shaped movable frame 1003, a spray head 1006, a rotating shaft 1007, a second transmission gear 1008, a telescopic hose, a tooth 1010, a sphere 1011 and a semi-sphere 1012, wherein the rotary straight pipe 5 is rotatably connected on the dust collection tank 1, the top end of a rotating straight pipe 5 is connected with a rotary joint 51, the bottom end of the rotating straight pipe 5 is rotatably connected with a cross-shaped support 53, the cross-shaped support 53 is fixed in a dust removing tank 1, the top end of the dust removing tank 1 is fixed with an exhaust fan 6 through an inverted L-shaped support, the air inlet of the exhaust fan 6 is connected with an air inlet cover 61, the air outlet of the exhaust fan 6 is fixedly connected with a bent pipe 62, a driven gear 52 fixedly connected to the outer side of the rotating straight pipe 5 is arranged below the rotary joint 51, one side of the driven gear 52 is engaged and connected with a driving gear 71, one side of the exhaust fan 6 is also provided with a driving motor 7 fixed on the inverted L-shaped support, the output shaft of the driving motor 7 penetrates through the inverted L-shaped support and is connected with the installation shaft hole of the driving gear 71, a rotating plate 8 is rotatably connected in the dust removing tank 1, the rotating plate 8 is fixedly connected to the outer side of the rotating straight pipe 5, and a metal bag cage 82 is fixedly penetrated around the rotating plate 8, the dust removal sack 83 has all been fixed to have cup jointed in the outside of metal bag cage 82, be connected with clearance mechanism 9 and reciprocal swing soot blower 10 between rotor plate 8 and the dust removal jar 1, rotary joint 51 is prior art's rotary joint 51, the pipe connection device promptly, and but the pipeline relative rotation that links to each other, metal bag cage 82 is prior art's part, the part that uses corresponding with it dust removal sack 83, metal bag cage 82 all fixes in the vent of seting up on rotor plate 8.

Air inlet department on the 1 lateral wall of dust removal jar is fixed with intake pipe 2, air outlet department on the 1 lateral wall of dust removal jar is fixed with blast pipe 3, the bottom ash discharge department of dust removal jar 1 is fixed with ash discharge pipe 4, install the solenoid valve on the ash discharge pipe 4, the air inlet department of air inlet cover 61 is fixed with the filter screen, the one end of return bend 62 runs through the type of falling L support, and link to each other with rotary joint 51's top, the outside rigid coupling of rotor plate 8 has the annular slider 81 of transversal personally submitting the ring type, the annular spout with annular slider 81 matched with is seted up to the inner wall of dust removal jar 1, the filter screen can filter the dust in the air of outside suction, through starting the solenoid valve, can discharge the dust of clearance.

The cleaning mechanism 9 comprises a plurality of reciprocating lead screws 901 which are rotatably connected on a rotating plate 8, the plurality of reciprocating lead screws 901 are distributed on the rotating plate 8 in an annular array, the outer sides of the reciprocating lead screws 901 are all in spiral transmission connection with connecting blocks 902, one ends of the connecting blocks 902 are all fixed with annular cleaning brushes 903, the annular cleaning brushes 903 are all movably sleeved on the outer sides of corresponding dust removing cloth bags 83, one sides of the reciprocating lead screws 901 are all provided with vertical plates 904 fixed at the bottom end of the rotating plate 8, the outer sides of the annular cleaning brushes 903 are all fixed with guide seats 905, the vertical plates 904 are all provided with guide grooves matched with the guide seats 905, the annular cleaning brushes 903 are all in sliding connection with the corresponding vertical plates 904 through the corresponding guide seats 905 and the guide grooves, the top ends of the reciprocating lead screws 901 are all fixed with transmission gears 906, the outer sides of the transmission gears 906 are engaged with one transmission 907, and the transmission gear rings 907 are fixed in the dust removing tank 1, the cleaning brush surfaces of the annular cleaning brushes 903 are all attached to the outer sides of the corresponding dust removal cloth bags 83.

The reciprocating swing soot blowing mechanism 10 comprises a plurality of fixed cylinders 1001, the plurality of fixed cylinders 1001 are arranged at the top end of a rotating plate 8 in an annular array, movable blocks 1002 are slidably connected inside the fixed cylinders 1001, movable rods 1003 are fixedly penetrated through the movable blocks 1002, springs 1004 are connected between the bottom ends of the movable blocks 1002 and the inner bottom walls of the corresponding fixed cylinders 1001, the springs 1004 are movably sleeved outside the corresponding movable rods 1003, the bottom ends of the movable rods 1003 are sequentially and slidably penetrated through the corresponding fixed cylinders 1001 and rotating plate 8 and fixedly connected with an n-shaped movable frame 1005, two telescopic hoses 1009 are fixedly arranged on the peripheral side walls of the rotating straight pipe 5, one ends of the telescopic hoses 1009 are communicated with the inside of the rotating straight pipe 5, spray heads 1006 are fixedly arranged at the other ends of the telescopic hoses 1006, rotating shafts 1007 are fixedly arranged on the two side walls of the spray heads 1006, connecting plates are rotatably connected on the outer sides of the rotating straight pipes 1007, one ends of the connecting plates are fixedly arranged on the side walls of the rotating straight pipe 5, one end of the rotating shaft 1007 is fixed with a second transmission gear 1008, two side walls of the n-type movable frame 1005 are fixed with a plurality of teeth 1010 at equal intervals, the n-type movable frame 1005 is meshed with the corresponding second transmission gear 1008 through the teeth 1010, the top end of the movable rod 1003 slides through the corresponding fixed cylinder 1001 and is fixedly connected with a sphere 1011, the inner top wall of the dust removing tank 1 is fixed with a plurality of semi-spheres 1012 arranged in an annular array, when the fixed cylinders 1001 rotate along with the rotating plate 8, the sphere 1011 at the top end of the movable rod 1003 can be intermittently extruded by the semi-spheres 1012, and therefore the n-type movable frame 1005 can move up and down in a reciprocating manner.

The working principle is as follows: when in use, the flue gas after desulfurization and denitrification can be sent into the dust removing tank 1 from the air inlet pipe 2, the driving motor 7 is started, the driving gear 71 is rotated, the rotating straight pipe 5 connected with the driven gear 52 is driven to rotate, the rotating plate 8 is driven to rotate, the transmission gears 906 are driven to rotate simultaneously, the transmission gears 906 are meshed with the transmission gear ring 907, the reciprocating lead screws 901 rotate simultaneously, the reciprocating lead screws 901 are in spiral transmission connection with the corresponding connecting blocks 902, the annular cleaning brushes 903 are in reciprocating movement on the corresponding vertical plates 904 through the corresponding guide seats 905, and therefore the annular cleaning brushes 903 can clear dust adhered to the outer sides of the corresponding dust removing cloth bags 83, excessive dust adhered to the outer side walls of the dust removing cloth bags 83 is avoided, and the dust removing performance of the dust removing cloth bags 83 is affected, secondly, a plurality of fixed section of thick bamboo 1001 is rotatory thereupon the rotor plate 8, then a plurality of spheroid 1011 all rotates thereupon, and the setting of a plurality of semicircle balls 1012 and spring 1004 of cooperation, then make movable block 1002 all can carry out reciprocating motion in the fixed section of thick bamboo 1001 that corresponds, thereby make n type adjustable shelf 1005 that the movable rod 1003 bottom all is connected can reciprocate from top to bottom, and the setting of cooperation tooth 1010 and two 1008 of drive gear thereof, make two shower nozzles 1006 of all installing on rotating straight tube 5 lateral wall all around can reciprocate from top to bottom swing, furthermore, through starting air exhauster 6, then make a plurality of shower nozzles 1006 rotate the rotatory while of straight tube 5 thereupon, and can blow off the dust of adhesion on the dust removal jar 1 inner wall, avoid the dust adhesion on dust removal jar 1 inner wall and lead to the inconvenient phenomenon of later stage clearance to take place.

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 semidry desulfurization denitrification facility sack dust collector, includes dust removal tank (1), its characterized in that: the dust removal device is characterized in that a rotating straight pipe (5) is rotatably connected to the dust removal tank (1), a rotary joint (51) is connected to the top end of the rotating straight pipe (5), a cross-shaped support (53) is rotatably connected to the bottom end of the rotating straight pipe (5), the cross-shaped support (53) is fixed in the dust removal tank (1), an exhaust fan (6) is fixed to the top end of the dust removal tank (1) through an inverted L-shaped support, an air inlet of the exhaust fan (6) is connected with an air inlet cover (61), an air outlet of the exhaust fan (6) is fixedly connected with a bent pipe (62), a driven gear (52) fixedly connected to the outer side of the rotating straight pipe (5) is arranged below the rotary joint (51), a driving gear (71) is meshed with one side of the driven gear (52), a driving motor (7) fixed to the inverted L-shaped support is further arranged on one side of the exhaust fan (6), and an output shaft of the driving motor (7) penetrates through the inverted L-shaped support, and the dust removal device is connected with an installation shaft hole of the driving gear (71), a rotating plate (8) is rotationally connected in the dust removal tank (1), the rotating plate (8) is fixedly connected to the outer side of the rotating straight pipe (5), a metal bag cage (82) penetrates through and is fixed to the periphery of the rotating plate (8), a dust removal cloth bag (83) is fixedly sleeved on the outer side of the metal bag cage (82), and a cleaning mechanism (9) and a reciprocating swing soot blowing mechanism (10) are connected between the rotating plate (8) and the dust removal tank (1).

2. The cloth bag dust removal device for the semi-dry desulfurization and denitrification device as claimed in claim 1, wherein: air inlet department on dust removal jar (1) a lateral wall is fixed with intake pipe (2), air outlet department on dust removal jar (1) a lateral wall is fixed with blast pipe (3), the bottom ash discharge department of dust removal jar (1) is fixed with ash discharge pipe (4), install the solenoid valve on ash discharge pipe (4), the air inlet department of air inlet cover (61) is fixed with the filter screen, the one end of return bend (62) is run through the type of falling L support, and link to each other with the top of rotary joint (51), the outside rigid coupling of rotor plate (8) has transversal annular slider (81) of personally submitting the ring type, the inner wall of dust removal jar (1) is seted up with annular slider (81) matched with annular spout.

3. The cloth bag dust removal device for the semi-dry desulfurization and denitrification device as claimed in claim 1, wherein: clearance mechanism (9) are including rotating a plurality of reciprocal lead screw (901) of connection on rotor plate (8), a plurality of reciprocal lead screw (901) are annular array and arrange on rotor plate (8), the equal screw drive in the outside of reciprocal lead screw (901) is connected with connecting block (902), the one end of connecting block (902) all is fixed with annular cleaning brush (903), the equal movable sleeve of annular cleaning brush (903) is established in the dust removal sack (83) outside that corresponds, one side of reciprocal lead screw (901) all is equipped with riser (904) of fixing in rotor plate (8) bottom.

4. The cloth bag dust removal device for the semi-dry desulfurization and denitrification device as claimed in claim 3, wherein: the outside of annular cleaning brush (903) all is fixed with guide holder (905), all set up on riser (904) with guide holder (905) matched with guide way, annular cleaning brush (903) all is through corresponding guide holder (905), guide way sliding connection is on corresponding riser (904), the top of reciprocal lead screw (901) all is fixed with drive gear (906), the outside meshing of a plurality of drive gear (906) is connected with same transmission ring gear (907), the inside at dust removal jar (1) is fixed in transmission ring gear (907).

5. The cloth bag dust removal device for the semi-dry desulfurization and denitrification device as claimed in claim 1, wherein: reciprocating swing soot blower (10) includes a plurality of fixed barrels (1001), a plurality of fixed barrels (1001) are the top that the annular array arranged in rotor plate (8), the equal sliding connection in inside of fixed barrel (1001) has movable block (1002), all run through on movable block (1002) and be fixed with movable rod (1003), the bottom of movable block (1002) all with correspond fixed barrel (1001) in be connected with spring (1004) between the bottom wall, the equal movable sleeve of spring (1004) is established in the movable rod (1003) outside that corresponds, the bottom of movable rod (1003) all slides in proper order and runs through corresponding fixed barrel (1001), rotor plate (8), and the rigid coupling has n type adjustable shelf (1005).

6. The cloth bag dust removal device for the semi-dry desulfurization and denitrification device as claimed in claim 1, wherein: two telescopic hoses (1009) are fixed on the peripheral side walls of the rotating straight pipe (5), one end of each telescopic hose (1009) is communicated with the inside of the rotating straight pipe (5), the other end of each telescopic hose is fixed with a spray head (1006), two side walls of each spray head (1006) are fixed with a rotating shaft (1007), the outer sides of the rotating shafts (1007) are rotatably connected with a connecting plate, one end of each connecting plate is fixed on the side wall of the rotating straight pipe (5), one end of each rotating shaft (1007) is fixed with a second transmission gear (1008), a plurality of teeth (1010) are fixed on two side walls of the n-type movable frame (1005) at equal intervals, the n-type movable frame (1005) is engaged with the corresponding second transmission gear (1008) through the plurality of teeth (1010), and the top end of the movable rod (1003) penetrates through the corresponding fixed cylinder (1001) in a sliding manner, a sphere (1011) is fixedly connected, and a plurality of semicircular balls (1012) which are arranged in an annular array are fixed on the inner top wall of the dust removing tank (1).