CN216677700U

CN216677700U - Boiler combustion desulfurization denitration dust collector

Info

Publication number: CN216677700U
Application number: CN202123144198.5U
Authority: CN
Inventors: 吴楠
Original assignee: Qingdao Dongheng Foundry Machinery Co ltd
Current assignee: Qingdao Dongheng Foundry Machinery Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-07
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to the technical field of dust removal devices, in particular to a boiler combustion desulfurization denitration dust removal device which comprises a device shell, wherein one end of a sealing ring is connected with a sealing block in a fitting manner, two ends of the side surface of the sealing block are provided with support rods, the air inlet pipe is externally connected with a pipeline which is externally arranged outside a boiler, smoke enters from an air inlet pipe and then enters an inner cavity of a treatment pipeline, the smoke blows the sealing block to move away from a sealing ring extrusion spring, then the smoke passes through an air inlet hole through the sealing ring, then the smoke passes through an outlet, then enters a treatment liquid in the inner cavity of the device shell from an air outlet for treatment, when the boiler stops discharging gas, the sealing block is blocked by the elasticity of a spring and rebounds to the original position, and the effects of preventing gas from flowing backwards and sucking backwards to damage the boiler are achieved.

Description

Boiler combustion desulfurization denitration dust collector

Technical Field

The utility model relates to the technical field of dust removal devices, in particular to a boiler combustion desulfurization and denitrification dust removal device.

Background

The fluidized bed boiler is a boiler adopting a fluidized bed combustion mode, and can be divided into a bubbling fluidized bed boiler and a circulating fluidized bed boiler according to hydrodynamic characteristics, the fluidized bed boiler can be divided into a normal-pressure fluidized bed boiler and a pressurizing fluidized bed boiler according to the smoke pressure in a hearth, the desulfurization of the circulating fluidized bed boiler is a desulfurization process for combustion in the boiler, limestone is used as a desulfurization absorbent, coal and limestone are fed in from the lower part of a combustion chamber of the boiler, primary air is fed in from the lower part of an air distribution plate, secondary air is fed in from the middle part of the combustion chamber, the limestone is heated and decomposed into calcium oxide and carbon dioxide, air flow enables the coal and lime particles to be intensively disturbed in the combustion chamber to form a fluidized bed, and sulfur dioxide in coal-fired smoke is contacted with the calcium oxide to generate a chemical reaction and is removed.

Current fluidized bed boiler can produce a large amount of flue gases at the in-process that uses, and the flue gas is handled in entering into device shell inner chamber from the intake pipe, but the intake pipe does not prevent the subassembly of gas adverse current, can lead to the boiler to damage when the situation of adverse current or suck-back appears in the boiler, and the flue gas enters into the device shell inner chamber and handles the outer rate of discharging of back gas relatively slowly.

Aiming at the problems, the utility model provides a boiler combustion desulfurization denitration dust removal device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a boiler combustion desulfurization denitration dust removal device, which is characterized in that a gas inlet pipe is arranged outside a boiler and is a pipeline, smoke enters from the gas inlet pipe and then enters an inner cavity of a treatment pipeline, a sealing block is blown by the smoke to move away from a sealing ring to extrude a spring, then the smoke passes through a gas inlet hole through the sealing ring, then the smoke passes through an outlet, and then the smoke enters treatment liquid in an inner cavity of a shell of the device from a gas release port to be treated, when the boiler stops discharging gas, the sealing block is rebounded to the original position to be blocked by the elasticity of the spring, so that the effect of preventing gas from flowing backwards and being sucked backwards to damage the boiler is achieved, and the problems in the background technology are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a boiler combustion desulfurization denitration dust removal device comprises a device shell, wherein a gas backflow prevention assembly is arranged on one side of the device shell, a stirring assembly is arranged at one end of the device shell, and a treatment assembly is arranged in an inner cavity of the device shell;

prevent that gas is subassembly against current is including handling the pipeline and setting up the sealing washer at the treatment pipeline inner chamber lateral wall, and the one end laminating of sealing washer is connected with sealed piece, and the side surface both ends of sealed piece are provided with the bracing piece, and the inlet port has been seted up to the side surface of bracing piece, and the other end of bracing piece is provided with the movable rod, and the inner chamber lateral wall of handling the pipeline is provided with the slide bar, and the side surface intermediate position of sealed piece is connected with the spring, the other end fixedly connected with fixed panel of spring, and the export has been seted up on fixed panel side surface.

Preferably, the movable rod is movably connected with the sliding rod.

Preferably, the side surface of the device shell is provided with an observation window, one side of the device shell is connected with an air inlet pipe, and the side surface of one end of the air inlet pipe is provided with an air release port.

Preferably, the stirring assembly comprises a motor and a stirring rod arranged at the output end of the motor, the treatment liquid is arranged in the inner cavity of the device shell, and the discharge port is formed in the bottom end of the device shell.

Preferably, the processing assembly comprises a processing shell and a driving wheel fixedly mounted at one end of the stirring rod, a belt is wound at one end of the driving wheel, and a driven wheel is wound at the other end of the belt.

Preferably, a fixed rod is fixedly connected with one end of the driven wheel in a penetrating manner, a fan blade is fixedly connected with the other end of the fixed rod, a dust filter screen fixedly connected with the processing shell is arranged under the fan blade, and an exhaust hole is formed in the side surface of the processing shell.

Preferably, the fixing rod is movably connected with the side wall of the inner cavity of the treatment shell.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the boiler combustion desulfurization denitration dust removal device, the gas inlet pipe is connected with a pipeline which is arranged outside a boiler, smoke enters from the gas inlet pipe and then enters an inner cavity of a treatment pipeline, the smoke blows a sealing block to move away from a sealing ring to extrude a spring, then the smoke passes through a gas inlet hole through the sealing ring, then the smoke passes through an outlet, and then the smoke enters treatment liquid in an inner cavity of a shell of the device from a gas release port to be treated;

2. according to the boiler combustion desulfurization denitration dust removal device provided by the utility model, when flue gas enters the inner cavity of the shell of the device, the motor is started to work, the motor drives the stirring rod to stir treatment liquid, so that the flue gas is in full contact with the treatment liquid, the treatment effect is optimal, meanwhile, the stirring rod drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the belt, the driven wheel drives the fixed rod to rotate, and then the fan blades are driven to rotate to suck air.

Drawings

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

FIG. 2 is a plan sectional view of the gas backflow prevention assembly of the present invention;

FIG. 3 is a plan sectional view of the housing of the device of the present invention;

FIG. 4 is a plan sectional view of a processing assembly of the present invention.

In the figure: 1. a device housing; 11. an observation window; 12. an air inlet pipe; 13. an air release port; 2. a gas backflow prevention assembly; 21. processing the pipeline; 22. a seal ring; 23. a sealing block; 24. a support bar; 25. an air inlet; 26. a movable rod; 27. a slide bar; 28. a spring; 29. fixing the panel; 290. an outlet; 3. a stirring assembly; 31. a motor; 32. a stirring rod; 33. a treatment liquid; 34. a discharge port; 4. a processing component; 41. treating the shell; 42. a driving wheel; 43. a belt; 44. a driven wheel; 45. fixing the rod; 46. a fan blade; 47. a dust filter screen; 48. and (4) exhausting holes.

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.

In order to solve the technical problem that the gas inlet pipe 12 has no component for preventing gas from flowing backwards, which can cause damage to the boiler when the boiler is in a backflow or suck-back condition, as shown in fig. 1-2, the following preferred schemes are provided:

the utility model provides a boiler combustion SOx/NOx control dust collector, includes device shell 1, and observation window 11 has been seted up to device shell 1's side surface, and one side of device shell 1 is connected with intake pipe 12, and relief port 13 has been seted up to intake pipe 12 one end side surface, and one side of device shell 1 is provided with prevents gaseous countercurrent assembly 2, and the one end of device shell 1 is provided with stirring subassembly 3, is provided with processing assembly 4 in the inner chamber of device shell 1.

Prevent gaseous subassembly 2 against current includes treatment tube 21 and the sealing washer 22 of setting at treatment tube 21 inner chamber lateral wall, the one end laminating of sealing washer 22 is connected with sealed piece 23, the side surface both ends of sealed piece 23 are provided with bracing piece 24, inlet port 25 has been seted up to the side surface of bracing piece 24, the other end of bracing piece 24 is provided with movable rod 26, treatment tube 21's inner chamber lateral wall is provided with slide bar 27, movable rod 26 and slide bar 27 swing joint, guarantee sealed piece 23 stability at the activity in-process, the side surface centre department of sealed piece 23 is connected with spring 28, spring 28's other end fixedly connected with fixed panel 29, export 290 has been seted up to fixed panel 29 side surface.

Specifically, the outer pipeline of the external boiler of intake pipe 12, the flue gas gets into from intake pipe 12, enter into in the processing pipeline 21 inner chamber afterwards, the flue gas blows sealed piece 23 and keeps away from sealing washer 22 extrusion spring 28 motion, the flue gas passes through sealing washer 22 afterwards and passes in from the inlet port 25, then the flue gas passes through export 290 again, then it handles to enter into the treatment fluid 33 in the device shell 1 inner chamber from gas release port 13, when the boiler stops outer exhaust gas, sealed piece 23 receives the elasticity of spring 28, rebound original position with it and carry out the shutoff, the effect of preventing gas adverse current and suck-back damage boiler has been reached.

In order to solve the technical problem that the gas discharge rate is relatively slow after the flue gas enters the inner cavity of the device shell 1 for treatment, as shown in fig. 3-4, the following preferable schemes are provided:

the stirring assembly 3 comprises a motor 31 and a stirring rod 32 arranged at the output end of the motor 31, a treatment liquid 33 is arranged in the inner cavity of the device shell 1, and a discharge port 34 is arranged at the bottom end of the device shell 1.

The processing assembly 4 comprises a processing shell 41 and a driving wheel 42 fixedly installed at one end of the stirring rod 32, a belt 43 is wound at one end of the driving wheel 42, a driven wheel 44 is wound at the other end of the belt 43, a fixing rod 45 is fixedly connected with one end of the driven wheel 44 in a penetrating manner, the fixing rod 45 is movably connected with the inner cavity side wall of the processing shell 41, a fan blade 46 is fixedly connected with the other end of the fixing rod 45, and a dust filter screen 47 fixedly connected with the processing shell 41 is arranged under the fan blade 46.

Specifically, when the flue gas enters into device shell 1 inner chamber, open motor 31 work, motor 31 drives puddler 32 stirring treatment fluid 33, let the flue gas and the abundant contact of treatment fluid 33, the treatment effect reaches the best, puddler 32 drives action wheel 42 simultaneously and rotates, action wheel 42 drives through belt 43 and rotates from driving wheel 44, it rotates to drive dead lever 45 from driving wheel 44, drive flabellum 46 afterwards and carry out the rotation and induced draft, when the flue gas enters into and handles 41 inner chambers of shell, handle through dust filter screen 47 earlier, then discharge the external world through exhaust hole 48 again, the outer rate of flue gas in the device shell 1 inner chamber has been accelerated.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a boiler burning SOx/NOx control dust collector, includes device shell (1), its characterized in that: one side of the device shell (1) is provided with a gas backflow prevention assembly (2), one end of the device shell (1) is provided with a stirring assembly (3), and a processing assembly (4) is arranged in an inner cavity of the device shell (1);

prevent gaseous countercurrent assembly (2) including handling pipe way (21) and setting up sealing washer (22) at handling pipe way (21) inner chamber lateral wall, the one end laminating of sealing washer (22) is connected with seal block (23), the side surface both ends of seal block (23) are provided with bracing piece (24), inlet port (25) have been seted up to the side surface of bracing piece (24), the other end of bracing piece (24) is provided with movable rod (26), the inner chamber lateral wall of handling pipe way (21) is provided with slide bar (27), the side surface centre department of seal block (23) is connected with spring (28), the other end fixedly connected with mounting panel (29) of spring (28), export (290) have been seted up to mounting panel (29) side surface.

2. The boiler combustion desulfurization denitration dust-removing device according to claim 1, characterized in that: the movable rod (26) is movably connected with the sliding rod (27).

3. The boiler combustion desulfurization denitration dust-removing device according to claim 1, characterized in that: an observation window (11) is arranged on the side surface of the device shell (1), an air inlet pipe (12) is connected to one side of the device shell (1), and an air release port (13) is arranged on the side surface of one end of the air inlet pipe (12).

4. The boiler combustion desulfurization denitration dust-removing device according to claim 3, characterized in that: the stirring assembly (3) comprises a motor (31) and a stirring rod (32) arranged at the output end of the motor (31), a treatment liquid (33) is arranged in the inner cavity of the device shell (1), and a discharge port (34) is arranged at the bottom end of the device shell (1).

5. The boiler combustion desulfurization denitration dust-removing device according to claim 4, characterized in that: the processing assembly (4) comprises a processing shell (41) and a driving wheel (42) fixedly installed at one end of the stirring rod (32), a belt (43) is wound at one end of the driving wheel (42), and a driven wheel (44) is wound at the other end of the belt (43).

6. The boiler combustion desulfurization denitration dust-removing device according to claim 5, characterized in that: a fixing rod (45) is fixedly connected with one end of the driven wheel (44) in a penetrating mode, a fan blade (46) is fixedly connected with the other end of the fixing rod (45), a dust filter screen (47) fixedly connected with the processing shell (41) is arranged right below the fan blade (46), and an exhaust hole (48) is formed in the side surface of the processing shell (41).

7. The boiler combustion desulfurization denitration dust-removing device according to claim 6, characterized in that: the fixing rod (45) is movably connected with the side wall of the inner cavity of the processing shell (41).