CN216170772U

CN216170772U - Flue gas treatment device for biomass combustion boiler

Info

Publication number: CN216170772U
Application number: CN202122660681.2U
Authority: CN
Inventors: 董天宇; 董俊涛; 张文杰; 董涛; 王磊; 夏超
Original assignee: Henan Hengan Boiler Co ltd
Current assignee: Henan Hengan Boiler Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-05
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a smoke treatment device for a biomass combustion boiler, which comprises a treatment box, wherein a filtering chamber and a purifying chamber are arranged inside the treatment box, an air suction pipeline is fixedly connected inside the filtering chamber, one end of the air suction pipeline is communicated with a smoke discharge pipeline of the boiler, a filtering net is fixedly connected inside the filtering chamber, and the other end of the air suction pipeline penetrates through the top of the filtering net and extends to the bottom of the filtering net. The utility model has the beneficial effects that: the negative pressure fan is started to filter smoke in a boiler smoke discharge pipeline through the air suction pipeline, impurity particles in the smoke are filtered at the bottom of the filter screen through the filter screen, filtered gas is filled into the treatment liquid in the purification chamber after passing through the first connecting pipe, the connecting box and the second connecting pipe to be purified, and the impurity particles at the bottom of the filter screen are cleaned through the cleaning mechanism on the air suction pipeline, so that the filter screen is prevented from being blocked by the impurity particles, and the efficiency of treating the smoke is influenced.

Description

Flue gas treatment device for biomass combustion boiler

Technical Field

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

Background

The working principle of the boiler is that heat energy released after fuel is utilized to be transferred to water in a container, so that the water reaches the required temperature or the thermodynamic equipment of certain pressure steam, but in the combustion process of the boiler, a lot of smoke and dust can be generated, if the smoke and dust are not filtered, the environment can be polluted, the smoke and gas contains a large amount of impurity particles, the particles easily cause the blockage of a filter screen inside a filtering treatment device, the normal circulation of the smoke and gas is influenced, the smoke treatment effect is greatly reduced, and the smoke treatment efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a flue gas treatment device for a biomass combustion boiler.

The purpose of the utility model is realized by the following technical scheme: a flue gas treatment device for a biomass combustion boiler comprises a treatment box, wherein a filter chamber and a purification chamber are arranged inside the treatment box, the interior of the filtering chamber is fixedly connected with an air suction pipeline, one end of the air suction pipeline is communicated with a boiler flue gas discharge pipeline, the filter chamber is fixedly connected with a filter screen, the other end of the air suction pipeline penetrates through the top of the filter screen and extends to the bottom of the filter screen, a negative pressure fan is embedded on one side surface of the treatment box, the output end of the negative pressure fan is fixedly connected with a first connecting pipe, one end of the first connecting pipe is fixedly connected with a connecting box, the bottom of the connecting box is fixedly connected with a second connecting pipe, the other end of the second connecting pipe penetrates through the outside of the treatment box and extends to the inside of the purification chamber, and a cleaning mechanism for cleaning the bottom of the filter screen is arranged on the air suction pipeline.

According to a further technical scheme, the cleaning mechanism comprises a sleeve and a brush rod, the sleeve is rotatably connected to the air suction pipeline, the brush rod is fixedly connected to the sleeve, and the top of the brush rod is in contact with the bottom of the filter screen.

A connecting rotating rod is rotatably connected inside the connecting box, a wind wheel is fixedly connected to the connecting rotating rod, the connecting rotating rod penetrates through the outside of the processing box and extends into the filtering chamber, a first bevel gear is fixedly connected to one end of the connecting rotating rod, a second bevel gear is fixedly connected to the sleeve, and the first bevel gear is meshed with the second bevel gear.

A slag discharging port is fixedly connected to one side face of the treatment box, and a blocking cover is arranged at one end of the slag discharging port.

According to a further technical scheme, a liquid outlet is fixedly connected to one side surface of the treatment box, and a valve is arranged on the liquid outlet.

The technical scheme is that a sealing gasket is arranged at the rotary joint of the connecting rotating rod and the connecting box, and a sealing gasket is arranged at the rotary joint of the connecting rotating rod and the treating box.

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

1. the negative pressure fan is started to discharge flue gas in the boiler flue gas discharge pipeline through the air suction pipeline, impurity particles in the flue gas are filtered at the bottom of the filter screen through the filter screen, the filtered gas is filled into the treatment liquid in the purification chamber for purification after passing through the first connecting pipe, the connecting box and the second connecting pipe, and the impurity particles at the bottom of the filter screen are cleaned through the cleaning mechanism on the air suction pipeline, so that the filter screen is prevented from being blocked by the impurity particles, and the efficiency of treating the flue gas is prevented from being influenced.

2. According to the utility model, flue gas drives the wind wheel to rotate when passing through the connecting box, the sleeve is driven to rotate under the action of the connecting rotating rod, the first bevel gear and the second bevel gear, the bottom of the filter screen is cleaned through the brush rod on the sleeve, impurity particles are discharged by opening the blocking cover on one side surface of the slag discharge port, and treatment liquid in the purifying chamber is discharged by opening the valve on the liquid discharge port.

Drawings

FIG. 1 is a schematic view of the structure of a treatment tank of the present invention.

Fig. 2 is a schematic view of the structure of the connection box of the present invention.

FIG. 3 is an enlarged view of FIG. 1A of the present invention.

In the figure, 1, treatment tank; 2. a filtering chamber; 3. a clean room; 4. an air intake duct; 5. a filter screen; 6. a negative pressure fan; 7. a first connecting pipe; 8. a connecting box; 9. a second connecting pipe; 10. a sleeve; 11. a brush rod; 12. connecting the rotating rod; 13. a wind wheel; 14. a first bevel gear; 15. a second bevel gear; 16. a slag discharge port; 17. and a liquid discharge port.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to an embodiment shown in fig. 1-3, a flue gas treatment device for a biomass combustion boiler comprises a treatment box 1, a filtration chamber 2 and a purification chamber 3 are arranged inside the treatment box 1, an air suction pipeline 4 is fixedly connected inside the filtration chamber 2, one end of the air suction pipeline 4 is communicated with a boiler flue gas discharge pipeline, a filtration screen 5 is fixedly connected inside the filtration chamber 2, the other end of the air suction pipeline 4 penetrates through the top of the filtration screen 5 and extends to the bottom of the filtration screen 5, a negative pressure fan 6 is embedded on one side surface of the treatment box 1, a first connection pipe 7 is fixedly connected to an output end of the negative pressure fan 6, a connection box 8 is fixedly connected to one end of the first connection pipe 7, a second connection pipe 9 is fixedly connected to the bottom of the connection box 8, the other end of the second connection pipe 9 penetrates through the outside of the treatment box 1 and extends to the inside of the purification chamber 3, a slag discharge port 16 is fixedly connected to one side surface of the treatment box 1, arrange the one end of cinder notch 16 and be equipped with the fender lid, handle a side fixedly connected with leakage fluid dram 17 of case 1, be equipped with the valve on the leakage fluid dram 17, discharge impurity particle through opening the fender lid of 16 sides of cinder notch, discharge the treatment fluid of clean room 3 inside through opening the valve on the leakage fluid dram 17, the rotation junction of connecting bull stick 12 and connecting box 8 is equipped with sealed the pad, the rotation junction of connecting bull stick 12 and processing case 1 is equipped with sealed the pad.

The air suction pipeline 4 is provided with a cleaning mechanism for cleaning the bottom of the filter screen 5, the cleaning mechanism comprises a sleeve 10 and a brush rod 11, the sleeve 10 is rotatably connected on the air suction pipeline 4, the brush rod 11 is fixedly connected on the sleeve 10, the top of the brush rod 11 is contacted with the bottom of the filter screen 5, the inner part of the connecting box 8 is rotatably connected with a connecting rotating rod 12, the connecting rotating rod 12 is fixedly connected with a wind wheel 13, the connecting rotating rod 12 penetrates through the outer part of the processing box 1 and extends into the filtering chamber 2, one end of the connecting rotating rod 12 is fixedly connected with a first bevel gear 14, the sleeve 10 is fixedly connected with a second bevel gear 15, the first bevel gear 14 is meshed with the second bevel gear 15, and the wind wheel 13 is driven to rotate when smoke passes through the connecting box 8, the sleeve 10 is driven to rotate by the connecting rotating rod 12, the first bevel gear 14 and the second bevel gear 15, and the bottom of the filter screen 5 is cleaned by the brush rod 11 on the sleeve 10.

The working process of the utility model is as follows: one end of an air suction pipeline 4 is communicated with a boiler flue gas discharge pipeline, treatment liquid is filled in a purification chamber 3, flue gas in the boiler flue gas discharge pipeline is extracted through the air suction pipeline 4 by starting a negative pressure fan 6, impurity particles in the flue gas are filtered at the bottom of a filter screen 5 through the filter screen 5, the filtered gas is filled in the treatment liquid in the purification chamber 3 for purification after passing through a first connecting pipe 7, a connecting box 8 and a second connecting pipe 9, a wind wheel 13 is driven to rotate when the gas passes through the connecting box 8, a sleeve 10 is driven to rotate under the action of a connecting rotating rod 12, a first bevel gear 14 and a second bevel gear 15, the bottom of the filter screen 5 is cleaned through a brush rod 11 on the sleeve 10, so that the impurity particles are prevented from blocking the filter screen 5 and affecting the efficiency of flue gas treatment, the impurity particles are discharged by opening a blocking cover on one side surface of a slag discharge port 16, the treatment liquid in the clean room 3 is discharged by opening the valve on the liquid discharge port 17.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a flue gas processing apparatus for biomass burning boiler, is including handling case (1), its characterized in that: the inside of handling case (1) has been seted up filter chamber (2) and clean room (3), the inside fixedly connected with of filter chamber (2) pipeline (4) of breathing in, the one end and the boiler fume emission pipeline of pipeline (4) of breathing in are linked together, the inside fixedly connected with filter screen (5) of filter chamber (2), the other end of pipeline (4) of breathing in runs through the top of filter screen (5) and extends to the bottom of filter screen (5), a side of handling case (1) is inlayed and is had negative pressure fan (6), the output fixedly connected with first connecting pipe (7) of negative pressure fan (6), the one end fixedly connected with connecting box (8) of first connecting pipe (7), the bottom fixedly connected with second connecting pipe (9) of connecting box (8), the other end of second connecting pipe (9) runs through the outside of handling case (1) and extends to the inside of clean room (3), and a cleaning mechanism for cleaning the bottom of the filter screen (5) is arranged on the air suction pipeline (4).

2. The flue gas treatment device for the biomass combustion boiler according to claim 1, characterized in that: the cleaning mechanism comprises a sleeve (10) and a brush rod (11), the sleeve (10) is rotatably connected to the air suction pipeline (4), the brush rod (11) is fixedly connected to the sleeve (10), and the top of the brush rod (11) is in contact with the bottom of the filter screen (5).

3. The flue gas treatment device for the biomass combustion boiler according to claim 2, characterized in that: the inside of connecting box (8) rotates and is connected with connection bull stick (12), fixedly connected with wind wheel (13) on connecting bull stick (12), connect bull stick (12) to run through the outside of handling case (1) and extend to the inside of filter chamber (2), the first bevel gear (14) of one end fixedly connected with of connection bull stick (12), fixedly connected with second bevel gear (15) on sleeve pipe (10), first bevel gear (14) with second bevel gear (15) mesh mutually.

4. The flue gas treatment device for the biomass combustion boiler according to claim 1, characterized in that: a side face of the treatment box (1) is fixedly connected with a slag discharge port (16), and one end of the slag discharge port (16) is provided with a blocking cover.

5. The flue gas treatment device for the biomass combustion boiler according to claim 1, characterized in that: a liquid outlet (17) is fixedly connected to one side surface of the treatment box (1), and a valve is arranged on the liquid outlet (17).

6. The flue gas treatment device for the biomass combustion boiler according to claim 3, characterized in that: the rotating connection part of the connecting rotating rod (12) and the connecting box (8) is provided with a sealing gasket, and the rotating connection part of the connecting rotating rod (12) and the processing box (1) is provided with a sealing gasket.