CN210278583U

CN210278583U - Dust removal device for biomass fuel

Info

Publication number: CN210278583U
Application number: CN201921017097.1U
Authority: CN
Inventors: 朱郑春
Original assignee: Anhui Rui Song Biomass Energies Co ltd
Current assignee: Anhui Rui Song Biomass Energies Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-10
Anticipated expiration: 2029-07-02

Abstract

The utility model relates to the technical field of dust removal equipment, in particular to a dust removal device for biomass fuel, which comprises a shell, a water pump and an ash collection box, wherein the inside of the shell is fixedly connected with a large-hole filter screen, the inside of the shell is fixedly connected with a medium-hole filter screen, the inside of the shell is fixedly connected with a small-hole filter screen, the bottom end of the shell is fixedly connected with an ash collection funnel, and the side wall of the shell is fixedly connected with a smoke inlet pipe; when the flue gas enters the shell through the smoke inlet pipe, water in the water pump pumping water outlet box can be started to enter the water spraying pipe through the water outlet pipe to spray and cool the large-hole filter screen, the middle-hole filter screen and the small-hole filter screen through the spray head, dust in the flue gas can be filtered step by the three filter screens with different sizes of the filter holes, the filtered dust and water used for cooling can enter the dust collecting box through the dust collecting funnel, and the phenomenon that the filtering device can generate overheating due to heat carried in the flue gas is effectively prevented.

Description

Dust removal device for biomass fuel

Technical Field

The utility model relates to a dust collecting equipment technical field specifically is a dust collector for biomass fuel

Background

The biomass fuel is a biomass material burning fuel, generally mainly agricultural and forestry wastes such as straw, sawdust, bagasse, rice chaff and the like, and is mainly different from fossil fuel, in the current national policy and environmental protection standard, the biomass is directly burnt to belong to high-pollution fuel, is only used in a rural large stove and is not allowed to be used in cities, and the application of the biomass fuel is actually mainly characterized in that the agricultural and forestry wastes are used as raw materials and are made into various forms such as blocks or particles through the processes of crushing, mixing, extruding, drying and the like, and the novel clean fuel can be directly burnt, the biomass can generate a plurality of small particles along with smoke gas during burning, so that the surrounding environment is greatly polluted, therefore, the biomass burning is generally carried out by using a dust removal device to remove dust, but before the hot air generated by a biomass boiler device enters a conveying pipeline, the hot air needs to be purified, to prevent unburned dust from also entering the conveying pipe with the hot air flow. Otherwise, the conveying pipeline is blocked, and workers are required to regularly maintain and clean the conveying pipeline, so that the treatment is quite complicated.

Therefore, the chinese patent discloses a biomass boiler dust removal device with application number (cn201710012950.x), which can improve the purification degree of hot gas flow and reduce the labor degree of people, but the device cannot cool down the flue gas entering the purification device when in use, which can cause the internal filtering device to be overheated and can reduce the service life of the filtering device;

accordingly, one skilled in the art provides a dust removing device for biomass fuel to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust collector for biomass fuel to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a dust removal device for biomass fuel comprises a shell, a water pump and an ash collection box, wherein a large-hole filter screen is fixedly connected inside the shell, a middle-hole filter screen is fixedly connected inside the shell, a small-hole filter screen is fixedly connected inside the shell, an ash collection funnel is fixedly connected at the bottom end of the shell, a smoke inlet pipe is fixedly connected on the side wall of the shell, a smoke outlet pipe is fixedly connected at the top of the shell, a water tank is fixedly connected at the bottom of the water pump, a water pump pipe is fixedly connected at the input end of the water pump, the water pump pipe extends into the water tank, a water outlet pipe is fixedly connected at the output end of the water pump, a water spraying pipe extending into the shell is fixedly connected on the outer wall at the tail end of the water outlet pipe, a spray head is fixedly connected on the outer wall of the water spraying pipe, the water pump is, the bottom end of the side wall of the ash collecting box is fixedly connected with a circulating water pipe, and the other end of the circulating water pipe is fixedly connected with the top of the side wall of the water tank.

Preferably, the smoke inlet pipe is located below the large-hole filter screen, the large-hole filter screen is located under the middle-hole filter screen, and the middle-hole filter screen is located under the small-hole filter screen.

Preferably, the number of the spraying water pipes is three, and the spraying water pipes are respectively distributed right above the large-hole filter screen, the middle-hole filter screen and the small-hole filter screen.

Preferably, the number of the spray heads is a plurality, and the spray heads are linearly distributed on the spraying water pipe.

Preferably, the bottom of the threaded closing cover is provided with a rotating handle, and the rotating handle is fixedly connected with the threaded closing cover.

Preferably, a sealing layer is arranged on the top of the threaded closing cover, and the sealing layer is fixedly connected with the threaded closing cover.

Preferably, an activated carbon filter screen is arranged in the circulating water pipe, and the activated carbon filter screen is fixedly connected with the circulating water pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. when the flue gas enters the shell through the smoke inlet pipe, water in the water pump pumping water outlet box can be started to enter the water spraying pipe through the water outlet pipe to spray and cool the large-hole filter screen, the middle-hole filter screen and the small-hole filter screen through the spray head, dust in the flue gas can be filtered step by the three filter screens with different sizes of the filter holes, the filtered dust and water used for cooling can enter the dust collecting box through the dust collecting funnel, and the phenomenon that the filtering device can generate overheating due to heat carried in the flue gas is effectively prevented.

2. When dust entering the dust collecting box is full, people can hold the rotating handle to unscrew the threaded closing cover at the bottom of the dust collecting box, so that the dust in the dust collecting box falls down under the action of gravity and is then washed by water, the device is easy to clean, and the labor intensity of people is reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural diagram of a dust removing device for biomass fuel;

FIG. 2 is a schematic structural diagram of a water pump in the dust removing device for biomass fuel;

FIG. 3 is a schematic structural diagram of a housing in the dust removing device for biomass fuel;

FIG. 4 is a schematic structural diagram of an ash collection box in the dust removing device for biomass fuel;

in the figure: 1. a housing; 11. a macroporous filter screen; 12. a medium hole filter screen; 13. a small-hole filter screen; 14. an ash gathering funnel; 15. a smoke inlet pipe; 16. discharging the smoke tube; 2. a water pump; 21. a water tank; 22. a water pumping pipe; 23. a water outlet pipe; 231. a water spray pipe; 232. a spray head; 3. a dust collection box; 31. a screw thread closure cap; 311. turning a handle; 312. a sealing layer; 32. a circulating water pipe; 321. an active carbon filter screen.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in FIGS. 1-4, the utility model provides a technical solution, a dust removing device for biomass fuel, comprising a housing 1, a water pump 2 and an ash collecting tank 3, wherein the housing 1 is fixedly connected with a large-pore filter screen 11, the housing 1 is fixedly connected with a medium-pore filter screen 12, the housing 1 is fixedly connected with a small-pore filter screen 13, the bottom of the housing 1 is fixedly connected with an ash collecting funnel 14, the side wall of the housing 1 is fixedly connected with a smoke inlet pipe 15, the top of the housing 1 is fixedly connected with a smoke outlet pipe 16, the bottom of the water pump 2 is fixedly connected with a water tank 21, the input end of the water pump 2 is fixedly connected with a water pumping pipe 22, the water pumping pipe 22 extends into the water tank 21, the output end of the water pump 2 is fixedly connected with a water outlet pipe 23, the outer wall of the tail, the water pump 2 is electrically connected with an external power supply, the bottom end of the ash collecting funnel 14 is detachably connected with the ash collecting box 3, the bottom of the ash collecting box 3 is in threaded connection with the threaded closing cover 31, the bottom end of the side wall of the ash collecting box 3 is fixedly connected with the circulating water pipe 32, and the other end of the circulating water pipe 32 is fixedly connected with the top of the side wall of the water tank 21.

In fig. 1: the ash funnel 14 is gathered to 1 bottom fixedly connected with of casing, can let filterable dust faster whereabouts through gathering

ash funnel

14, 1 lateral wall fixedly connected with of casing advances

tobacco pipe

15, 1 top fixedly connected with of casing goes out tobacco pipe 16, it can dismantle in 14 bottoms of ash funnel and be connected with

ash collection box

3, 3 lateral wall bottom fixedly connected with of ash collection box circulating water pipe 32, the inside that the flue gas enters into the device through advancing tobacco pipe 15, discharge through going out tobacco pipe 16, it can enter into ash collection box 3 inside through gathering ash funnel 14 to be filterable dust, the used water of cooling can flow out through circulating water pipe 32.

In fig. 2: 2 bottom fixedly connected with water tanks 21 of water pump, 2 input fixedly connected with drinking-water pipe 22 of water pump, inside drinking-water pipe 22 stretched into

water tank

21, 2 output fixedly connected with outlet pipe 23 of water pump, the circulating pipe 32 other end and 21 lateral wall top fixed connection of water tank, the inside active carbon filter screen 321 that is equipped with of circulating pipe 32, active carbon filter screen 321 and circulating pipe 32 fixed connection, the model of water pump 2 is 40ZW8-15, start water pump 2 and draw out inside the water tank 21 and enter into inside outlet pipe 23, used water can flow into 21 inner loop of water tank through circulating pipe 32 and use, and can be filtered by the active carbon filter screen 321 in the circulating pipe 32.

In fig. 3: the inner part of the shell 1 is fixedly connected with a large-hole filter screen 11, the inner part of the shell 1 is fixedly connected with a medium-hole filter screen 12, the inner part of the shell 1 is fixedly connected with a small-hole filter screen 13, the outer wall of the tail end of the water outlet pipe 23 is fixedly connected with a water spraying pipe 231 extending into the shell 1, the outer wall of the water spraying pipe 231 is fixedly connected with a spray head 232, the number of the water spraying pipes 231 is three, the water spraying pipes 231 are respectively distributed right above the large-hole filter screen 11, the medium-hole filter screen 12 and the small-hole filter screen 13, the water inlet pipe 15 is positioned below the large-hole filter screen 11, the large-hole filter screen 11 is positioned right below the medium-hole filter screen 12, the medium-hole filter screen 12 is positioned right below the small-hole filter screen 13, when the smoke enters the shell 1, cooling water enters the water spraying pipe 231 through the water outlet pipe 23 to, the phenomenon that the filtering device is overheated due to the heat carried in the smoke is effectively prevented.

In fig. 4: the threaded closing cover 31 is connected to the bottom of the dust collection box 3 through threads, the sealing layer 312 is arranged at the top of the threaded closing cover 31, the rotating handle 311 is arranged at the bottom of the threaded closing cover 31, the rotating handle 311 is fixedly connected with the threaded closing cover 31, the sealing layer 312 is fixedly connected with the threaded closing cover 31, when dust entering the dust collection box 3 is full, people can hold the rotating handle 311 to unscrew the threaded closing cover 31 at the bottom of the dust collection box 3, the dust inside the dust collection box 3 falls down under the action of gravity, then the dust is washed by water, and the sealing layer 312 can prevent the dust from falling onto the threads of the threaded closing cover 31.

The utility model discloses a theory of operation is: when the smoke enters the shell 1 through the smoke inlet pipe 15, the water pump 2 can be started to pump the water in the water tank 21 out, the water enters the water spraying pipe 231 through the water outlet pipe 23, the large-hole filter screen 11, the medium-hole filter screen 12 and the small-hole filter screen 13 are sprayed and cooled through the spray head 232, the dust in the smoke can be filtered by the three filter screens with different filter holes, the filtered dust and the water used for cooling can enter the dust collecting box 3 through the dust collecting hopper 14, the phenomenon that the filtering device is overheated due to the heat carried in the smoke can be effectively prevented, the smoke after being filtered and cooled can flow out of the device through the smoke outlet pipe 16, when the dust entering the dust collecting box 3 is full, people can hold the rotating handle 311 to unscrew the threaded closing cover 31 at the bottom of the dust collecting box 3, the dust in the dust collecting box 3 can fall due to the action of gravity, and then the water is used for cleaning, the cleaning of the device is easy, and the labor intensity of people is reduced.

Finally, it should be noted that: 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The dust removal device for the biomass fuel is characterized by comprising a shell (1), a water pump (2) and an ash collection box (3), wherein a large-hole filter screen (11) is fixedly connected inside the shell (1), a middle-hole filter screen (12) is fixedly connected inside the shell (1), a small-hole filter screen (13) is fixedly connected inside the shell (1), an ash collection funnel (14) is fixedly connected at the bottom end of the shell (1), a smoke inlet pipe (15) is fixedly connected to the side wall of the shell (1), and a smoke outlet pipe (16) is fixedly connected to the top of the shell (1);

the bottom of the water pump (2) is fixedly connected with a water tank (21), the input end of the water pump (2) is fixedly connected with a water pumping pipe (22), the water pumping pipe (22) extends into the water tank (21), the output end of the water pump (2) is fixedly connected with a water outlet pipe (23), the outer wall of the tail end of the water outlet pipe (23) is fixedly connected with a spraying water pipe (231) extending into the shell (1), the outer wall of the spraying water pipe (231) is fixedly connected with a spray head (232), and the water pump (2) is electrically connected with an external power supply;

gather grey funnel (14) bottom and can dismantle and be connected with ash collection box (3), ash collection box (3) bottom threaded connection has screw thread closing lid (31), ash collection box (3) lateral wall bottom fixedly connected with circulating water pipe (32), circulating water pipe (32) the other end with water tank (21) lateral wall top fixed connection.

2. The dust removing device for the biomass fuel according to claim 1, wherein the smoke inlet pipe (15) is located below the large-hole filter screen (11), the large-hole filter screen (11) is located directly below the medium-hole filter screen (12), and the medium-hole filter screen (12) is located directly below the small-hole filter screen (13).

3. The dust removing device for the biomass fuel according to claim 1, wherein the number of the water spraying pipes (231) is three, and the water spraying pipes are respectively distributed right above the large-hole filter screen (11), the medium-hole filter screen (12) and the small-hole filter screen (13).

4. The dust removing device for the biomass fuel according to claim 1, wherein the number of the spray heads (232) is several, and the spray heads (232) are linearly distributed on the spray water pipes (231).

5. The dust removing device for the biomass fuel as claimed in claim 1, wherein a rotating handle (311) is arranged at the bottom of the threaded closing cover (31), and the rotating handle (311) is fixedly connected with the threaded closing cover (31).

6. The dust removing device for the biomass fuel as claimed in claim 1, wherein a sealing layer (312) is arranged on the top of the threaded closing cover (31), and the sealing layer (312) is fixedly connected with the threaded closing cover (31).

7. The dust removing device for the biomass fuel as claimed in claim 1, wherein an activated carbon filter screen (321) is arranged inside the circulating water pipe (32), and the activated carbon filter screen (321) is fixedly connected with the circulating water pipe (32).