CN215026359U

CN215026359U - Filter residue mechanism in desulfurization and denitrification process

Info

Publication number: CN215026359U
Application number: CN202121311864.7U
Authority: CN
Inventors: 颜海波; 尹利华; 孟祥魁; 刘花
Original assignee: Shandong Xingrui Environmental Protection Engineering Co ltd
Current assignee: Shandong Xingrui Environmental Protection Engineering Co ltd
Priority date: 2021-06-12
Filing date: 2021-06-12
Publication date: 2021-12-07
Anticipated expiration: 2031-06-12

Abstract

The utility model discloses a filter residue mechanism in SOx/NOx control process, including filtering the passageway and setting up scum pipe and inlet pipe in the filtering the passageway bottom, filtering the internally mounted of passageway has the filter screen, and filters the inside rotation of passageway and install reciprocal lead screw, reciprocal lead screw and inlet pipe are located the upper and lower both sides of filter screen respectively, and the screw thread has cup jointed the nut on the reciprocal lead screw, the dust removal brush is installed to the bottom of nut, and the brush hair of dust removal brush contacts with the upper surface of filter screen. This filter residue mechanism of SOx/NOx control in-process drives reciprocal lead screw through setting up gear motor and rotates to make the nut can drive the dust removal brush and come the return motion on the filter screen, simultaneously because the lower surface of filter screen and residue direct contact realize filtering, consequently the dust removal brush that is located the filter screen upper surface can enough brush the impurity of adhesion on the filter screen, also can prevent that the condition of residue jam filter screen from taking place, has also improved actual cleaning efficiency simultaneously.

Description

Filter residue mechanism in desulfurization and denitrification process

Technical Field

The utility model relates to a SOx/NOx control technical field especially relates to a filter residue mechanism of SOx/NOx control in-process.

Background

The desulfurization and denitrification technology is a boiler flue gas purification technology applied to the chemical industry of generating multi-nitrogen oxides and sulfur oxides, has important significance for environmental protection, and a residue filtering device is required to remove residues in products in the desulfurization and denitrification process.

The current filter residue device is relatively poor to the clearance effect of filter screen, need consume manpower and materials could be with filter screen clean up, need close the device simultaneously among the cleaning process, leads to work efficiency low.

SUMMERY OF THE UTILITY MODEL

The utility model is not enough to prior art, the utility model provides a filter residue mechanism of SOx/NOx control in-process has solved that present filter residue device is relatively poor to the clearance effect of filter screen, need consume manpower and materials could be with filter screen clean up, clearance in-process need close the device simultaneously, leads to the problem that work efficiency is low.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a residue filtering mechanism in the desulfurization and denitrification processes, which comprises a filtering channel, a residue discharging pipe and a feeding pipe which are arranged at the bottom of the filtering channel, wherein a filtering screen is arranged in the filtering channel, and the interior of the filtering channel is rotatably provided with a reciprocating screw rod, the reciprocating screw rod and the feeding pipe are respectively positioned at the upper side and the lower side of the filtering screen, and the reciprocating screw rod is sleeved with a nut in a threaded manner, the bottom of the nut is provided with a dust removing brush, the brush hair of the dust removing brush is contacted with the upper surface of the filter screen, one end of the reciprocating screw rod penetrates and extends to the outside of the filtering channel and is fixed with a second gear, one side surface of the filtering channel is provided with a bottom plate, and the upper surface of the bottom plate is provided with a gear motor, a first gear is fixed on an output shaft of the gear motor, the first gear is meshed with the second gear, a limiting component is arranged in the filtering channel, and the limiting component is assembled to limit the moving direction of the nut; and a plugging component is arranged at the bottom of the slag discharging pipe.

Adopt above-mentioned scheme, drive reciprocal lead screw through setting up gear motor and rotate to make the nut can drive the dust removal brush and come the return motion on the filter screen, simultaneously because the lower surface of filter screen and residue direct contact realize filtering, consequently the dust removal brush that is located the filter screen upper surface can enough brush the impurity of adhesion on the filter screen, also can prevent that the condition of residue jam filter screen from taking place, has also improved actual cleaning efficiency simultaneously.

Preferably, the limiting assembly comprises a plurality of sliding rods, a plurality of through holes matched with the sliding rods are formed in the nuts, the sliding rods penetrate through the through holes, and the two ends of the sliding rods are fixedly connected with the inner surface of the filtering channel.

By adopting the scheme, the nut can only do linear motion and can not do rotary motion by arranging the sliding rod and the through hole, and the whole device can normally and stably run.

Preferably, a first waterproof cloth cylinder and a second waterproof cloth cylinder are respectively installed at two ends of the nut, one ends, far away from the nut, of the first waterproof cloth cylinder and the second waterproof cloth cylinder are fixedly connected with the inner surface of the filtering channel, and the reciprocating screw rod and the sliding rod penetrate through the first waterproof cloth cylinder and the second waterproof cloth cylinder.

By adopting the scheme, the reciprocating screw rod can be effectively prevented from being in direct contact with a flowing medium by arranging the waterproof cloth cylinder I and the waterproof cloth cylinder II, so that the actual service life of the reciprocating screw rod is prolonged, and the use and maintenance cost of the device is reduced.

Preferably, an oil inlet hole is formed in one end face of the reciprocating screw rod in the axial direction, an oil discharge hole is formed in the side face of the reciprocating screw rod, the oil discharge hole is communicated with the oil inlet hole, and a sealing plug is arranged at the position of the oil inlet hole and the opening.

By adopting the scheme, through setting the oil inlet hole, the oil discharge hole and the sealing plug, people can paint lubricating oil on the threads of the nut conveniently, and the surface of the reciprocating screw rod can be wrapped by the lubricating oil by matching with the movement of the nut, so that the reciprocating screw rod and the nut are prevented from being oxidized and rusted.

Preferably, the outer sides of the first gear and the second gear are provided with the same U-shaped plate, the bottom end of the U-shaped plate is fixedly connected with the bottom plate, the top end of the U-shaped plate is fixed with the top plate, the side face of the U-shaped plate is provided with a notch, and the inside of the notch is hinged with a movable plate.

By adopting the scheme, the effective protection of the first gear and the second gear is realized by arranging the U-shaped plate and the top plate, the notch is matched and the movable plate is hinged inside the notch, the maintenance of the first gear and the second gear is facilitated, and the practicability is high.

Preferably, the plugging assembly comprises a push rod motor and a baffle, the push rod motor is installed on the side face of the slag discharging pipe, the baffle is located under the slag discharging pipe, and the baffle is installed on an output shaft of the push rod motor.

By adopting the scheme, the opening and closing of the slag discharging pipe are realized by using a simple structure through the arrangement of the push rod motor and the baffle, the actual use cost is reduced, and the situation that the slag discharging pipe is blocked easily by a traditional valve can be avoided.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the residue filtering mechanism in the desulfurization and denitrification processes, the speed reduction motor is arranged to drive the reciprocating screw rod to rotate, so that the nut can drive the dust removing brush to move back and forth on the filter screen, and meanwhile, the lower surface of the filter screen is in direct contact with residues to realize filtering, so that the dust removing brush positioned on the upper surface of the filter screen can not only brush out impurities adhered to the filter screen, but also prevent the residues from blocking the filter screen, and meanwhile, the actual cleaning efficiency is improved;

according to the filter residue mechanism in the desulfurization and denitrification processes, the first waterproof cloth cylinder and the second waterproof cloth cylinder are arranged, so that the reciprocating screw rod can be effectively prevented from being in direct contact with a flowing medium, the actual service life of the reciprocating screw rod is prolonged, and the use and maintenance cost of the device is reduced;

this filter residue mechanism of SOx/NOx control in-process through setting up inlet port, oil drain hole and sealing plug, makes things convenient for people to paint lubricating oil on the screw thread of nut, and the motion of deuterogamy nut for the surface of reciprocal lead screw can be wrapped up by lubricating oil, thereby has avoided reciprocal lead screw and nut oxidation to rust.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a cross-sectional view of the filter passage of the present invention;

FIG. 3 is a partial sectional view of the reciprocating screw rod of the present invention;

fig. 4 is a cross-sectional view of the nut of the present invention.

In the figure: 1. a filtration channel; 2. a slag discharge pipe; 3. a filter screen; 4. a reciprocating screw rod; 5. a nut; 6. a dust removal brush; 7. a base plate; 8. a reduction motor; 9. a first gear; 10. a second gear; 11. a feed pipe; 12. a through hole; 13. a slide bar; 14. a waterproof cloth cylinder I; 15. a second waterproof cloth cylinder; 16. an oil inlet hole; 17. an oil drain hole; 18. a sealing plug; 19. a U-shaped plate; 20. a top plate; 21. a notch; 22. a movable plate; 23. a push rod motor; 24. and a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a residue filtering mechanism in a desulfurization and denitrification process comprises a filtering channel 1, a residue discharging pipe 2 and a feeding pipe 11 which are arranged at the bottom of the filtering channel 1, a filtering screen 3 is arranged in the filtering channel 1, a reciprocating screw rod 4 is rotatably arranged in the filtering channel 1, the reciprocating screw rod 4 and the feeding pipe 11 are respectively positioned at the upper side and the lower side of the filtering screen 3, a nut 5 is sleeved on the reciprocating screw rod 4 in a threaded manner, a dust removing brush 6 is arranged at the bottom of the nut 5, brush hairs of the dust removing brush 6 are contacted with the upper surface of the filtering screen 3, one end of the reciprocating screw rod 4 penetrates and extends to the outside of the filtering channel 1 and is fixed with a gear II 10, a bottom plate 7 is arranged at one side surface of the filtering channel 1, a speed reducing motor 8 is arranged on the upper surface of the bottom plate 7, a gear I9 is fixed on an output shaft of the speed reducing motor 8, and the gear I9 is meshed with the gear II 10, a limiting component is arranged in the filtering channel 1 and is assembled to limit the movement direction of the nut 5; the bottom of the slag discharging pipe 2 is provided with a plugging component; through setting up gear motor 8 and driving reciprocal lead screw 4 and rotate to make nut 5 can drive dust removal brush 6 back and forth movement on filter screen 3, simultaneously because the lower surface of filter screen 3 realizes filtering with residue direct contact, consequently the dust removal brush 6 that is located the filter screen 3 upper surface can enough brush the impurity of adhesion on removing filter screen 3, also can prevent that the condition of residue jam filter screen 3 from taking place, has also improved actual cleaning efficiency simultaneously.

The limiting assembly comprises a plurality of sliding rods 13, a plurality of through holes 12 matched with the sliding rods 13 are formed in the nuts 5, the sliding rods 13 penetrate through the through holes 12, and two ends of each sliding rod 13 are fixedly connected with the inner surface of the filtering channel 1; through the arrangement of the sliding rod 13 and the through hole 12, the nut 5 can only do linear motion and can not do rotary motion, and the whole device can be ensured to normally and stably run.

A first waterproof cloth cylinder 14 and a second waterproof cloth cylinder 15 are respectively arranged at two ends of the nut 5, one ends, far away from the nut 5, of the first waterproof cloth cylinder 14 and the second waterproof cloth cylinder 15 are fixedly connected with the inner surface of the filtering channel 1, and the reciprocating screw rod 4 and the sliding rod 13 both penetrate through the first waterproof cloth cylinder 14 and the second waterproof cloth cylinder 15; through the arrangement of the first waterproof cloth cylinder 14 and the second waterproof cloth cylinder 15, the reciprocating screw rod 4 can be effectively prevented from being in direct contact with a flowing medium, so that the actual service life of the reciprocating screw rod 4 is prolonged, and the use and maintenance cost of the device is reduced.

An oil inlet 16 is axially arranged on one end surface of the reciprocating screw rod 4, an oil discharge hole 17 is arranged on the side surface of the reciprocating screw rod 4, the oil discharge hole 17 is communicated with the oil inlet 16, and a sealing plug 18 is arranged at the position of the oil inlet 16 and the opening; through setting up inlet port 16, oil drain hole 17 and sealing plug 18, make things convenient for people to paint lubricating oil on the screw thread of nut 5, the motion of cooperation nut 5 again for reciprocating screw 4's surface can be wrapped up by lubricating oil, thereby has avoided reciprocating screw 4 and nut 5 oxidation to rust.

The same U-shaped plate 19 is arranged on the outer sides of the first gear 9 and the second gear 10, the bottom end of the U-shaped plate 19 is fixedly connected with the bottom plate 7, a top plate 20 is fixed at the top end of the U-shaped plate 19, a notch 21 is formed in the side surface of the U-shaped plate 19, and a movable plate 22 is hinged inside the notch 21; through setting up U-shaped board 19 and roof 20, realized the effective protection of gear 9 and gear two 10, cooperation notch 21 and articulate fly leaf 22 inside it simultaneously has made things convenient for the maintenance of gear 9 and gear two 10, and the practicality is strong.

The plugging assembly comprises a push rod motor 23 and a baffle plate 24, the push rod motor 23 is installed on the side surface of the slag discharging pipe 2, the baffle plate 24 is positioned right below the slag discharging pipe 2, and the baffle plate 24 is installed on an output shaft of the push rod motor 23; through setting up push rod motor 23 and baffle 24, utilize simple structure just to realize opening and close of scum pipe 2, reduced actual use cost, also can avoid the easy circumstances emergence that causes of scum pipe 2 to block up of traditional valve.

In conclusion, when the residue filtering mechanism in the desulfurization and denitrification processes is used, the top end of the filtering channel 1 is communicated with the conveying pipeline, the medium to be filtered is introduced into the inner bottom of the filtering channel 1 through the feeding pipe 11, at the moment, the residue in the medium is filtered out through the filtering net 3, when the filtering net 3 needs to be cleaned, the speed reduction motor 8 is started to drive the gear I9 to rotate, the gear I9 drives the gear II 10 and the reciprocating screw rod 4 to rotate, the nut 5 drives the dust removal brush 6 to brush back and forth on the filtering net 3, the residue adhered to the lower surface of the filtering net 3 can be brushed away, the operation is simple and efficient, after a certain time, the push rod motor 23 is started to push the baffle plate 24 to move downwards, the baffle plate 24 is separated from the residue discharge pipe 2, the residue accumulated at the inner bottom of the filtering channel 1 can be discharged, and the baffle plate 24 is restored to the original position to continue residue filtering operation, when lubricating oil needs to be added, the nut 5 is firstly ensured to be positioned at one end close to the second gear 10, so that the nut 5 shields the oil discharge hole 17, then the movable plate 22 is opened, then the sealing plug 18 is opened, then the oil inlet hole 16 and the oil discharge hole 17 are used for soaking the threads of the nut 5 with the lubricating oil, then the sealing plug 18 can be plugged, and then the second gear 10 is coated with the lubricating oil and then the movable plate 22 is closed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 residue filtering mechanism in the desulfurization and denitrification processes is characterized by comprising a filtering channel (1), a residue discharging pipe (2) and a feeding pipe (11), wherein the residue discharging pipe (2) and the feeding pipe (11) are arranged at the bottom of the filtering channel (1), a filtering net (3) is arranged inside the filtering channel (1), a reciprocating screw rod (4) is rotatably arranged inside the filtering channel (1), the reciprocating screw rod (4) and the feeding pipe (11) are respectively positioned at the upper side and the lower side of the filtering net (3), a nut (5) is sleeved on the reciprocating screw rod (4) in a threaded manner, a dust removing brush (6) is arranged at the bottom of the nut (5), and bristles of the dust removing brush (6) are in contact with the upper surface of the filtering net (3);

one end of the reciprocating screw rod (4) penetrates through and extends to the outside of the filtering channel (1) and is fixedly provided with a second gear (10), a bottom plate (7) is installed on one side face of the filtering channel (1), a speed reducing motor (8) is installed on the upper surface of the bottom plate (7), a first gear (9) is fixed on an output shaft of the speed reducing motor (8), and the first gear (9) is meshed with the second gear (10);

a limiting component is arranged in the filtering channel (1), and is assembled to limit the movement direction of a nut (5); and a plugging component is arranged at the bottom of the slag discharging pipe (2).

2. The residue filtering mechanism in the desulfurization and denitrification processes as claimed in claim 1, wherein the limiting assembly comprises a plurality of sliding rods (13), the nut (5) is provided with a plurality of through holes (12) matched with the sliding rods (13), the sliding rods (13) penetrate through the through holes (12), and both ends of the sliding rods (13) are fixedly connected with the inner surface of the filtering channel (1).

3. The residue filtering mechanism in the desulfurization and denitrification processes as claimed in claim 2, wherein a first waterproof cloth cylinder (14) and a second waterproof cloth cylinder (15) are respectively mounted at two ends of the nut (5), one ends of the first waterproof cloth cylinder (14) and the second waterproof cloth cylinder (15) far away from the nut (5) are fixedly connected with the inner surface of the filtering channel (1), and the reciprocating screw rod (4) and the sliding rod (13) both penetrate through the first waterproof cloth cylinder (14) and the second waterproof cloth cylinder (15).

4. The residue filtering mechanism in the desulfurization and denitrification processes as claimed in claim 1, wherein an oil inlet (16) is axially opened on one end surface of the reciprocating screw rod (4), an oil discharge hole (17) is opened on the side surface of the reciprocating screw rod (4), the oil discharge hole (17) is communicated with the oil inlet (16), and a sealing plug (18) is arranged at the opening of the oil inlet (16).

5. The residue filtering mechanism in the desulfurization and denitrification processes as claimed in claim 1, wherein the same U-shaped plate (19) is arranged on the outer sides of the first gear (9) and the second gear (10), the bottom end of the U-shaped plate (19) is fixedly connected with the bottom plate (7), the top end of the U-shaped plate (19) is fixed with the top plate (20), the side surface of the U-shaped plate (19) is provided with a notch (21), and the inside of the notch (21) is hinged with a movable plate (22).

6. The residue filtering mechanism in the desulfurization and denitrification processes as claimed in claim 1, wherein the plugging assembly comprises a push rod motor (23) and a baffle (24), the push rod motor (23) is installed on the side surface of the slag discharge pipe (2), the baffle (24) is located right below the slag discharge pipe (2), and the baffle (24) is installed on an output shaft of the push rod motor (23).