CN222151407U

CN222151407U - Boiler flue gas treatment device

Info

Publication number: CN222151407U
Application number: CN202421260766.9U
Authority: CN
Inventors: 杜汉双; 王兴璞; 梁雯; 岳洋; 亓飞; 江涛
Original assignee: Zoucheng Economic Development Zone Medium Pressure Thermal Power Co ltd
Current assignee: Zoucheng Economic Development Zone Medium Pressure Thermal Power Co ltd
Priority date: 2024-06-04
Filing date: 2024-06-04
Publication date: 2024-12-13
Anticipated expiration: 2034-06-04

Abstract

The utility model discloses a boiler flue gas treatment device in the technical field of flue gas treatment, which comprises a flue gas treatment box, wherein one end of the flue gas treatment box is communicated with a flue gas inlet pipe, the other end of the flue gas treatment box is communicated with a flue gas outlet pipe, a dust blocking component is arranged in an inner cavity of the flue gas treatment box, the bottom of the flue gas treatment box is communicated with a collecting hopper positioned right below the dust blocking component, the bottom end of the collecting hopper is detachably connected with a plugging cover, and a rotating component for cleaning the surface of the dust blocking component is rotatably arranged on the dust blocking component.

Description

Boiler flue gas treatment device

Technical Field

The utility model relates to the technical field of flue gas treatment, in particular to a boiler flue gas treatment device.

Background

The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy, and the boiler can generate smoke in the working process and is usually discharged by means of devices such as a pipeline and the like.

The existing boiler flue gas treatment device has poor filtering and purifying effects on flue gas, harmful substances in the flue gas are directly discharged into the air to cause serious pollution to the environment, large granular substances contained in the flue gas are inconvenient to collect, the large granular substances easily block the flue gas filtering device and the like, the actual filtering effect on the flue gas is affected, and the use of people is not facilitated, so that a boiler flue gas treatment device is provided by a person skilled in the art to solve the problems in the background art.

Disclosure of utility model

The utility model aims to provide a boiler flue gas treatment device for solving the problems in the background technology.

The boiler flue gas treatment device comprises a flue gas treatment box, wherein one end of the flue gas treatment box is communicated with a flue gas inlet pipe, the other end of the flue gas treatment box is communicated with a flue gas outlet pipe, a dust blocking component is arranged in an inner cavity of the flue gas treatment box, the bottom of the flue gas treatment box is communicated with a collecting hopper positioned under the dust blocking component, and the bottom end of the collecting hopper is detachably connected with a plugging cover;

The dust blocking assembly is rotatably provided with a rotating assembly for cleaning the surface of the dust blocking assembly, the flue gas treatment box is provided with a driving mechanism for driving the rotating assembly to operate, and the end part of the flue gas outlet pipe is detachably connected with a filtering assembly.

Preferably, the dust blocking assembly comprises two groups of upper baffles fixedly arranged at the top of the inner cavity of the flue gas treatment box, a lower baffle arranged between the two groups of upper baffles is fixedly arranged at the bottom of the inner cavity of the flue gas treatment box, and the lower baffle and the upper baffle are both rotationally connected with the rotating assembly.

Preferably, the collecting hoppers are provided with two groups, and the two groups of collecting hoppers are symmetrically arranged on two sides of the lower baffle plate.

Preferably, the rotating assembly comprises a rotating rod which is rotationally connected with the upper baffle plate and the lower baffle plate, and a plurality of groups of cleaning rods which are respectively attached to the two sides of the upper baffle plate and the lower baffle plate are fixedly arranged on the surface of the rotating rod.

Preferably, the rotating assembly further comprises scraping strips fixedly arranged at two ends of the rotating rod, and the scraping strips are attached to the inner wall of the flue gas treatment box.

Preferably, the driving mechanism comprises a servo motor fixedly arranged at the top of the flue gas treatment box, a rotating shaft at the output end of the servo motor extends to the inside of the flue gas treatment box and is connected with a first conical gear, and a second conical gear meshed with the first conical gear is arranged on the rotating rod.

Preferably, the filter assembly comprises a filter pipe connected with the smoke outlet pipe through a flange, a blocking net is welded at the end part of the filter pipe, and a first-stage filter screen, a second-stage filter screen and a third-stage filter screen are respectively arranged in the filter pipe.

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

1. According to the utility model, by arranging the lower baffle plate and the upper baffle plate, certain deflection can be provided for boiler flue gas flowing in the flue gas treatment box, particles in the flue gas can sink to the inside of the collecting hopper for centralized collection due to collision of the baffle plate, and further, the filter assembly is arranged at the smoke outlet pipe, so that the flue gas can be efficiently filtered, and the filter assembly is not easy to be blocked, thereby effectively preventing harmful substances in the flue gas from flowing into the air.

2. According to the utility model, the first bevel gear, the second bevel gear and the rotating rod are driven to rotate by the servo motor, the rotating rod drives the cleaning rod to rotate, impurities attached to the surfaces of the upper baffle plate and the lower baffle plate can be cleaned into the collecting hopper, the rotating rod drives the scraping rod to rotate, impurities attached to the inner wall of the flue gas treatment box can be cleaned into the collecting hopper, and automatic cleaning of the boiler flue gas treatment device is convenient to realize.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the overall structure of the present utility model;

Fig. 3 is a cross-sectional view of the filter assembly structure of the present utility model.

The device comprises a smoke treatment box 1, a smoke inlet pipe 2, a collecting hopper 3, a plugging cover 4, an upper baffle plate 6, a lower baffle plate 7, a rotating rod 8, a cleaning rod 9, a scraping strip 10, a servo motor 11, a first conical gear 12, a second conical gear 13, a smoke outlet pipe 14, a filter pipe 15, a blocking net 16, a first filter screen 17, a second filter screen 18 and a third filter screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in the embodiment of the utility model, a boiler flue gas treatment device comprises a flue gas treatment box 1, one end of the flue gas treatment box 1 is communicated with a flue gas inlet pipe 2, the other end of the flue gas treatment box 1 is communicated with a flue gas outlet pipe 13, a dust blocking component is installed in an inner cavity of the flue gas treatment box 1, the bottom of the flue gas treatment box 1 is communicated with a collecting hopper 3 positioned under the dust blocking component, the bottom end of the collecting hopper 3 is detachably connected with a plugging cover 4, the plugging cover 4 can be in threaded connection with the collecting hopper 3 and the like, dust inside the collecting hopper 3 can be conveniently treated by opening the plugging cover 4, a rotating component for cleaning the surface of the dust blocking component is rotatably installed on the dust blocking component, a driving mechanism for driving the rotating component to operate is installed on the flue gas treatment box 1, and the end of the flue gas outlet pipe 13 is detachably connected with a filtering component.

When the smoke exhaust pipe of boiler is connected to the smoke inlet pipe 2, the inside that the smoke that produces when the boiler was used gets into smoke treatment case 1 through the smoke inlet pipe 2, the circulation between the dust blocking subassembly is followed to the flue gas, the inside that can sink to collecting hopper 3 after the collision takes place between great particulate matter and the dust blocking subassembly in the flue gas, the flue gas after carrying out preliminary filtration filters the back through the filter component that goes out the tobacco pipe 13 and discharges again, can fully filter the flue gas that the boiler produced, and be equipped with actuating mechanism and drive rotating assembly and rotate, rotating assembly can clear up dust blocking subassembly surface and the attached impurity of smoke treatment case 1 inner wall, make things convenient for smoke treatment device's automatic clearance.

In one embodiment, specifically, the dust blocking assembly includes two sets of overhead gage 5 of fixed mounting at flue gas treatment case 1 inner chamber top, the bottom fixed mounting of flue gas treatment case 1 inner chamber has the lower baffle 6 that is located between two sets of overhead gage 5, lower baffle 6 and overhead gage 5 are all rotated with rotating assembly and are connected, flow into the inside flue gas of flue gas treatment case 1 from advancing tobacco pipe 2 and shuttle between overhead gage 5 and lower baffle 6, the particulate matter bumps the inside of overhead gage 5 or lower baffle 6 back dip to collecting bucket 3, wherein, collecting bucket 3 is equipped with two sets of, and two sets of collecting bucket 3 symmetry install in the both sides of lower baffle 6, can conveniently carry out high-efficient collection to handle to dust etc..

Specifically, rotating assembly includes the bull stick 7 of being connected with the equal rotation of overhead gage 5 and lower baffle 6, the fixed surface of bull stick 7 installs multiunit and the clearance pole 8 of laminating mutually with overhead gage 5 and lower baffle 6 both sides respectively, bull stick 7 drives clearance pole 8 and rotates, clearance pole 8 can strike off the dust that overhead gage 5 and lower baffle 6 surface are attached, further, rotating assembly still includes the scraping strip 9 of fixed mounting at bull stick 7 both ends, scrape strip 9 and the inner wall of flue gas treatment case 1 laminating mutually, scrape strip 9 and follow bull stick 7 and rotate, can conveniently clear up the inner wall of flue gas treatment case 1.

Wherein, actuating mechanism includes servo motor 10 at flue gas treatment case 1 top fixed mounting, and servo motor 10's output pivot extends to the inside of flue gas treatment case 1 and is connected with first conical gear 11, installs on the bull stick 7 with first conical gear 11 engaged with second conical gear 12, starts servo motor 10, and servo motor 10 drives first conical gear 11 and rotates, and first conical gear 11 drives second conical gear 12 and rotates, and second conical gear 12 drives bull stick 7 and rotate.

In one embodiment, specifically, the filter assembly includes a filter pipe 14 connected with the smoke outlet pipe 13 through a flange, a blocking net 15 is welded at the end of the filter pipe 14, so that garbage and the like can be prevented from reversely entering the inside of the filter pipe 14, a first-stage filter screen 16, a second-stage filter screen 17 and a third-stage filter screen 18 are respectively arranged inside the filter pipe 14, the first-stage filter screen 16 can be made of filter materials such as glass fibers and polyester fibers which are common in the prior art, the second-stage filter screen 17 can be made of active carbon filter materials, ceramic filter materials and the like which are common in the prior art, the third-stage filter screen 18 can be made of non-woven fabric materials and the like which are common in the prior art, and the smoke can be efficiently filtered.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The boiler flue gas treatment device comprises a flue gas treatment box (1), wherein one end of the flue gas treatment box (1) is communicated with a flue gas inlet pipe (2), and the other end of the flue gas treatment box (1) is communicated with a flue gas outlet pipe (13), and the boiler flue gas treatment device is characterized in that a dust blocking component is arranged in an inner cavity of the flue gas treatment box (1), the bottom of the flue gas treatment box (1) is communicated with a collecting hopper (3) positioned under the dust blocking component, and the bottom end of the collecting hopper (3) is detachably connected with a plugging cover (4);

The dust blocking assembly is rotatably provided with a rotating assembly for cleaning the surface of the dust blocking assembly, the flue gas treatment box (1) is provided with a driving mechanism for driving the rotating assembly to operate, and the end part of the flue gas outlet pipe (13) is detachably connected with a filtering assembly.

2. The boiler flue gas treatment device according to claim 1, wherein the dust blocking assembly comprises two groups of upper baffles (5) fixedly arranged at the top of the inner cavity of the flue gas treatment box (1), a lower baffle (6) positioned between the two groups of upper baffles (5) is fixedly arranged at the bottom of the inner cavity of the flue gas treatment box (1), and the lower baffle (6) and the upper baffle (5) are both rotationally connected with the rotating assembly.

3. A boiler flue gas treatment device according to claim 2, wherein the collecting hoppers (3) are provided with two groups, and the two groups of collecting hoppers (3) are symmetrically arranged at two sides of the lower baffle plate (6).

4. The boiler flue gas treatment device according to claim 2, wherein the rotating assembly comprises a rotating rod (7) which is rotationally connected with the upper baffle plate (5) and the lower baffle plate (6), and a plurality of groups of cleaning rods (8) which are respectively attached to two sides of the upper baffle plate (5) and the lower baffle plate (6) are fixedly arranged on the surface of the rotating rod (7).

5. The flue gas treatment device for a boiler according to claim 4, wherein the rotating assembly further comprises scraping strips (9) fixedly arranged at two ends of the rotating rod (7), and the scraping strips (9) are attached to the inner wall of the flue gas treatment box (1).

6. A boiler flue gas treatment device according to claim 4, wherein the driving mechanism comprises a servo motor (10) fixedly arranged at the top of the flue gas treatment box (1), an output end rotating shaft of the servo motor (10) extends to the inside of the flue gas treatment box (1) and is connected with a first conical gear (11), and a second conical gear (12) meshed with the first conical gear (11) is arranged on the rotating rod (7).

7. The boiler flue gas treatment device according to claim 1, wherein the filtering assembly comprises a filtering pipe (14) connected with the flue gas outlet pipe (13) through a flange, a blocking net (15) is welded at the end part of the filtering pipe (14), and a primary filter screen (16), a secondary filter screen (17) and a tertiary filter screen (18) are respectively arranged inside the filtering pipe (14).