CN210179657U

CN210179657U - Smoke exhaust pipeline with filtering function for boiler

Info

Publication number: CN210179657U
Application number: CN201920377718.0U
Authority: CN
Inventors: Xi Yan; 颜喜
Original assignee: Huadian Electric Power Research Institute Co Ltd
Current assignee: Huadian Electric Power Research Institute Co Ltd
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2020-03-24
Anticipated expiration: 2029-03-25

Abstract

The utility model relates to a discharge flue for boiler with filtering capability belongs to boiler combustion optimization energy-saving technical field. The utility model provides a bottom and the total connecting pipe of shell body are connected, gu fixed ring fixes at shell body inner wall, install in total connecting pipe down the lower extreme of connecting pipe, the fixed column is fixed in the upper end of connecting pipe down, the draw-in groove sets up the lower extreme at last connecting pipe, the sealing washer is installed between solid fixed ring and last connecting pipe, the fixed column passes through the draw-in groove and is connected with last connecting pipe, the outer wall at last connecting pipe is fixed to the connecting plate, all be provided with logical groove on connecting plate and the solid fixed ring, logical groove on the connecting plate passes through the gag lever post with logical groove on the solid fixed ring and is connected, first filter screen and second filter screen are all installed in the connecting pipe down, and first filter screen is located the.

Description

Smoke exhaust pipeline with filtering function for boiler

Technical Field

The utility model relates to a discharge flue for boiler with filtering capability belongs to boiler combustion optimization energy-saving technical field.

Background

The boiler is generally used for the chemical industry more, is an equipment of energy conversion, the flue gas that produces in the boiler use can outwards be discharged through the exhaust pipe, but current exhaust pipe still has some weak points when using, for example, the exhaust pipe does not have purification performance, lead to the flue gas directly to be arranged in the atmosphere, has caused the pollution to the surrounding environment, when damage maintenance appears in the pipeline moreover, the dismouting of being not convenient for, bring inconvenience for staff's operation, the availability factor of exhaust pipe has also been reduced, so we have proposed a boiler with filtering capability and have discharged the exhaust pipe for the boiler, in order to solve the problem that proposes in the aforesaid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design reasonable, solve the exhaust pipe on the existing market that above-mentioned background art provided and do not have purification performance, lead to the flue gas directly to the atmosphere in, led to the fact the pollution to the surrounding environment, when damage maintenance appears in the pipeline moreover, the dismouting of being not convenient for brings inconvenience for staff's operation, has also reduced the exhaust pipe for boiler with filtering capability's the availability factor problem of exhaust pipe.

The utility model provides a technical scheme that above-mentioned problem adopted is: this boiler is with pipeline of discharging fume with filtering capability, its structural feature lies in: the device comprises a main connecting pipe, an outer shell, a fixing ring, a sealing ring, a lower connecting pipe, a fixing column, a clamping groove, an upper connecting pipe, a connecting plate, a through groove, a limiting rod, a first filter screen, a second filter screen, an activated carbon filter screen and a dust guard; the bottom and the total connecting pipe of shell body are connected, gu fixed ring fixes at shell body inner wall, the lower extreme of connecting pipe is installed in total connecting pipe down, the upper end at lower connecting pipe is fixed to the fixed column, the draw-in groove sets up the lower extreme at last connecting pipe, the sealing washer is installed between solid fixed ring and last connecting pipe, the fixed column passes through the draw-in groove and is connected with last connecting pipe, the outer wall at last connecting pipe is fixed to the connecting plate, all be provided with logical groove on connecting plate and the solid fixed ring, logical groove on the connecting plate passes through the gag lever post with logical groove on the solid fixed ring and is connected, first filter screen and second filter screen are all installed in the connecting pipe down, and first filter screen is located the below of second filter screen, the active carbon filter screen.

Further, the sealing washer bonds with the inner wall of solid fixed ring, and the sealing washer laminates with the outer wall of last connecting pipe mutually.

Furthermore, the fixing column and the lower connecting pipe are of an integrated structure, and the fixing column is in threaded connection with the clamping groove.

Furthermore, the central line of the upper connecting pipe is superposed with the central line of the outer shell, and the upper connecting pipe and the outer shell form a dismounting structure through a connecting plate.

Further, the first filter screen, the second filter screen and the activated carbon filter screen are respectively installed on the inner wall of the lower connecting pipe and the inner wall of the upper connecting pipe through bolts.

Further, the aperture of the first filter screen is larger than that of the second filter screen.

Further, the dust guard passes through bolted connection with the shell body, the dust guard is "V" font structure, and the upper surface of dust guard is the titanium dioxide coating.

Compared with the prior art, the utility model has the advantages of it is following:

(1) go up the connecting pipe and pass through the connecting plate and constitute the dismantlement structure with the shell body, when last connecting pipe appears damaging when needing the maintenance, the convenience is dismantled last connecting pipe, and goes up also for dismantling the structure between connecting pipe and the lower connecting pipe, and then more conveniently change work, for staff's operation brings the facility.

(2) Be provided with first filter screen, second filter screen and active carbon filter screen, and the aperture of first filter screen is greater than the aperture of second filter screen, can intercept big or small particulate matter in the flue gas respectively, simultaneously under the effect of active carbon filter screen, can adsorb the peculiar smell in the flue gas, further guaranteed the purifying effect of flue gas.

(3) Be provided with the dust guard, and the upper surface of dust guard is titanium dioxide spraying layer, and titanium dioxide can produce strong catalytic degradation function through the illumination, therefore can carry out self-cleaning to the dust guard, is an environmental safety's sanitizer, not only brings the convenience for staff's clearance, has also reduced impurity and has got into this exhaust pipe inside phenomenon.

Drawings

Fig. 1 is the overall main structure schematic diagram of the utility model.

Fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.

Fig. 3 is a schematic view of the structure of the fixing ring and the sealing ring according to the present invention.

Fig. 4 is the schematic view of the cross-sectional structure of the lower connecting pipe and the upper connecting pipe of the present invention.

In the figure: total connecting pipe 1, shell body 2, solid fixed ring 3, sealing washer 4, lower connecting pipe 5, fixed column 6, draw-in groove 7, go up connecting pipe 8, connecting plate 9, lead to groove 10, gag lever post 11, first filter screen 12, second filter screen 13, active carbon filter screen 14, dust guard 15.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

Referring to fig. 1 to 4, it should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, in the present specification, if the terms such as "upper", "lower", "left", "right", "middle" and "one" are used, they are not intended to limit the scope of the present invention, but to limit the relative relationship between the terms and the terms, and the scope of the present invention is not to be considered as the scope of the present invention.

The smoke exhaust pipeline for the boiler with the filtering function in the embodiment comprises a main connecting pipe 1, an outer shell 2, a fixing ring 3, a sealing ring 4, a lower connecting pipe 5, a fixing column 6, a clamping groove 7, an upper connecting pipe 8, a connecting plate 9, a through groove 10, a limiting rod 11, a first filter screen 12, a second filter screen 13, an activated carbon filter screen 14 and a dustproof plate 15.

The bottom and the total connecting pipe 1 of shell body 2 in this embodiment are connected, gu fixed ring 3 fixes at 2 inner walls of shell body, install in total connecting pipe 1 lower connecting pipe 5's lower extreme, fixed column 6 is fixed in the upper end of connecting pipe 5 down, draw-in groove 7 sets up the lower extreme at last connecting pipe 8, sealing washer 4 is installed between solid fixed ring 3 and last connecting pipe 8, fixed column 6 passes through draw-in groove 7 and is connected with last connecting pipe 8, connecting plate 9 is fixed at last connecting pipe 8's outer wall, all be provided with logical groove 10 on connecting plate 9 and the solid fixed ring 3, logical groove 10 on the connecting plate 9 and solid fixed ring 3 go through gag lever post 11 and be connected, first filter screen 12 and second filter screen 13 are all installed in lower connecting pipe 5, and first filter screen 12 is located the below of second filter screen 13, activated carbon filter screen 14 is installed in last.

The sealing ring 4 in the embodiment is bonded with the inner wall of the fixing ring 3, and the sealing ring 4 is attached to the outer wall of the upper connecting pipe 8; the sealing performance of the smoke exhaust pipeline in use can be ensured, and the phenomenon that smoke is directly exhausted to the atmosphere is effectively prevented;

the fixing column 6 and the lower connecting pipe 5 in the embodiment are of an integrated structure, and the fixing column 6 is in threaded connection with the clamping groove 7; the connection installation between connecting pipe 5 and the last connecting pipe 8 under the convenience has guaranteed the fastness of being connected between connecting pipe 5 and the last connecting pipe 8 down simultaneously.

In the embodiment, the central line of the upper connecting pipe 8 is superposed with the central line of the outer shell 2 (the central lines are positioned on the same straight line), and the upper connecting pipe 8 and the outer shell 2 form a disassembly structure through a connecting plate 9; when the upper connecting pipe 8 is damaged and needs to be replaced, the upper connecting pipe 8 is convenient to disassemble and replace, convenience is brought to operation of workers, and the use efficiency of the smoke exhaust pipeline is also improved.

The first filter screen 12 and the second filter screen 13, and the activated carbon filter screen 14 in this embodiment are respectively installed on the inner wall of the lower connecting pipe 5 and the inner wall of the upper connecting pipe 8 through bolts; the aperture of the first filter screen 12 is larger than that of the second filter screen 13; can intercept large granule impurity and tiny particulate matter in the flue gas in proper order, simultaneously under activated carbon filter 14's effect, can adsorb the peculiar smell in the flue gas, further ensure the purifying effect of flue gas, reduce the pollution to the surrounding environment.

In the embodiment, the dust-proof plate 15 is connected with the outer shell 2 through a bolt, the dust-proof plate 15 is in an inverted V-shaped structure, and the upper surface of the dust-proof plate 15 is a titanium dioxide coating; the effect of catalytic degradation can be generated through the action of titanium dioxide and light, so that the dust guard 15 can be self-cleaned, and the probability of impurities entering the interior of the smoke exhaust pipeline is reduced.

The working principle is as follows: when the smoke exhaust pipeline for the boiler with the filtering function is used, according to figures 1-4, firstly, a worker rotates the fixing column 6 at the top of the lower connecting pipe 5 into the clamping groove 7 of the upper connecting pipe 8, the lower connecting pipe 5 and the upper connecting pipe 8 are connected and installed, then a worker extends the upper connecting pipe 8 into the outer shell 2, so that the connecting plate 9 on the outer wall of the upper connecting pipe 8 is clamped on the fixing ring 3, while ensuring that the through slots 10 on the connecting plate 9 and the through slots 10 on the fixing ring 3 are aligned with each other, then the limiting rod 11 is inserted into the through groove 10 and screwed tightly, so that the connecting plate 9 and the fixing ring 3 are fixed, thereby fixing the lower connecting pipe 5 and the upper connecting pipe 8, ensuring the smooth later smoke discharging work of the pipeline, meanwhile, the sealing ring 4 can be attached to the upper connecting pipe 8, the sealing performance of the smoke exhaust pipeline can be guaranteed, and then the dust guard 15 is connected with the outer shell 2 through the bolt by a worker.

When the smoke exhaust pipeline is used, smoke can flow into the lower connecting pipe 5 from the main connecting pipe 1, the first filter screen 12 and the second filter screen 13 in the lower connecting pipe 5 can respectively filter the smoke, the pore size of the first filter screen 12 is larger than that of the second filter screen 13, so that large and small particles in the smoke can be respectively intercepted, when the smoke enters the upper connecting pipe 8, the active carbon filter screen 14 in the upper connecting pipe 8 can adsorb peculiar smell in the smoke, the discharge of the peculiar smell gas is reduced, the pollution to the surrounding environment is further reduced, meanwhile, impurities in the air can fall on the dustproof plate 15 in the using process, the upper surface of the dustproof plate 15 is provided with the titanium dioxide coating, and therefore when impurity dust is in contact with the titanium dioxide coating, a strong catalytic degradation function can be generated under the action of light, the dustproof plate 15 is self-cleaned, and the smoke exhaust pipeline is an environment-friendly cleaning agent, therefore, impurities can be reduced from entering the smoke exhaust pipeline, the normal use of the smoke exhaust pipeline is further ensured, the filtering and purifying of smoke gas are not influenced, the working process of the whole device is just the working process, and the content which is not described in detail in the specification belongs to the prior art which is known by the technicians in the field, and the implementation of the content can be realized by the technicians in the field through the explanation.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a smoke exhaust pipe for boiler with filtering capability which characterized in that: the device comprises a main connecting pipe (1), an outer shell (2), a fixing ring (3), a sealing ring (4), a lower connecting pipe (5), a fixing column (6), a clamping groove (7), an upper connecting pipe (8), a connecting plate (9), a through groove (10), a limiting rod (11), a first filter screen (12), a second filter screen (13), an activated carbon filter screen (14) and a dust guard (15); the bottom of the outer shell (2) is connected with a main connecting pipe (1), the fixing ring (3) is fixed on the inner wall of the outer shell (2), the lower end of the lower connecting pipe (5) is installed in the main connecting pipe (1), the fixing column (6) is fixed at the upper end of the lower connecting pipe (5), the clamping groove (7) is arranged at the lower end of the upper connecting pipe (8), the sealing ring (4) is installed between the fixing ring (3) and the upper connecting pipe (8), the fixing column (6) is connected with the upper connecting pipe (8) through the clamping groove (7), the connecting plate (9) is fixed on the outer wall of the upper connecting pipe (8), the connecting plate (9) and the fixing ring (3) are both provided with through grooves (10), the through grooves (10) on the connecting plate (9) are connected with the through limiting rods (11) on the fixing ring (3), and the first filter screen (12) and the second filter screen (13) are both installed in the lower connecting pipe (, and first filter screen (12) are located the below of second filter screen (13), active carbon filter screen (14) are installed in last connecting pipe (8), dust guard (15) are installed at the top of shell body (2).

2. The smoke exhaust duct for boiler having filtering function according to claim 1, wherein: the sealing ring (4) is bonded with the inner wall of the fixing ring (3), and the sealing ring (4) is attached to the outer wall of the upper connecting pipe (8).

3. The smoke exhaust duct for boiler having filtering function according to claim 1, wherein: the fixing column (6) and the lower connecting pipe (5) are of an integrated structure.

4. The smoke exhaust duct for boiler having filtering function according to claim 1, wherein: the center line of the upper connecting pipe (8) is superposed with the center line of the outer shell (2), and the upper connecting pipe (8) and the outer shell (2) form a dismounting structure through a connecting plate (9).

5. The smoke exhaust duct for boiler having filtering function according to claim 1, wherein: the first filter screen (12), the second filter screen (13) and the activated carbon filter screen (14) are respectively installed on the inner wall of the lower connecting pipe (5) and the inner wall of the upper connecting pipe (8) through bolts.

6. The smoke exhaust duct for boiler having filtering function according to claim 1, wherein: the aperture of the first filter screen (12) is larger than that of the second filter screen (13).

7. The smoke exhaust duct for boiler having filtering function according to claim 1, wherein: the dustproof plate (15) is connected with the outer shell (2) through bolts, the dustproof plate (15) is of an inverted V-shaped structure, and the upper surface of the dustproof plate (15) is a titanium dioxide coating.