CN114046492A

CN114046492A - Biomass steam generator convenient for dust cleaning and dust discharging

Info

Publication number: CN114046492A
Application number: CN202111231347.3A
Authority: CN
Inventors: 郑秋生; 郑家春; 刘艳
Original assignee: Anhui Anran Energy Saving And Environmental Protection Equipment Co ltd
Current assignee: Anhui Anran Energy Saving And Environmental Protection Equipment Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-02-15

Abstract

The invention discloses a biomass steam generator convenient for dust cleaning and dust exhaust, which comprises a base, wherein the top of the base is provided with a shell, the inside of the base is provided with a dust cleaning device, the inside of the shell is provided with a combustion cavity and a smoke dust collection cavity, the outer side of the shell is fixedly provided with a control panel, the inside of the combustion cavity is provided with a cleaning structure matched with the dust cleaning device, the top side of the shell is communicated with a smoke exhaust structure, the dust cleaning device comprises a cylinder I, a connecting plate, a dust loading scraper blade and a handle, the cylinder I is fixed inside the base and positioned at the right bottom side of the combustion cavity, an output shaft of the cylinder I is fixedly connected with the connecting plate, the horizontally arranged dust loading scraper blade is slidably connected with the connecting plate, and the handle is fixed at the vertical side of the dust loading scraper blade. The invention replaces manual work with machinery to scrape and clean dust, thereby not only improving the working efficiency and reducing the workload of operators, but also improving the safety of the device in use.

Description

Biomass steam generator convenient for dust cleaning and dust discharging

Technical Field

The invention relates to the technical field of steam generators, in particular to a biomass steam generator convenient for dust cleaning and dust exhaust.

Background

The steam generator is also called as a steam boiler, and is an important component of a steam power device, and a power station boiler, a steam turbine and a generator are main machines of a thermal power station, so the power station boiler is important equipment for producing electric energy, an industrial boiler is indispensable equipment for providing steam required by production and heating in various industrial enterprises, the quantity of the industrial boiler is large, a large amount of fuel is consumed, a waste heat boiler using high-temperature waste gas in the production process as a heat source plays an important role in energy conservation, the marine boiler is arranged on various ships, the generated steam is used for driving a steam power machine, a locomotive boiler is used as main equipment of a steam locomotive and has certain application, the boiler bears high temperature and high pressure, the safety problem is very important, and the quality inspection and the cleaning after the use are very important.

Although the steam generator is widely used, there are problems in using the steam generator:

1. most of the existing steam generators need to be cleaned manually after being used, particularly, the cleaning opening is narrow in space and large in workload, and the ash can be cleaned only when the temperature in the device is reduced, so that the cleaning efficiency is influenced;

2. the existing steam generator always needs to scrape out deposited dust slowly in the cleaning process and then clean the dust, the overall efficiency is low, and the dust falling to the ground is troublesome to clean;

3. when the existing partial steam generator is used, the heat insulation performance is poor, heat of a combustion chamber is easily lost to an adjacent cavity or structure, and certain potential safety hazard exists in heat conduction to the outside.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a biomass steam generator convenient for dust cleaning and dust discharging.

In order to achieve the purpose, the invention adopts the following technical scheme:

a biomass steam generator convenient for dust cleaning and dust exhaust comprises a base, wherein the top of the base is provided with a shell, the inside of the base is provided with a dust cleaning device, the inside of the shell is provided with a combustion chamber and a flue gas dust collection chamber, the outer side of the shell is fixedly provided with a control panel, the inside of the combustion chamber is provided with a cleaning structure matched with the dust cleaning device, and the top side of the shell is communicated with a flue gas discharge structure;

the ash removal device comprises a first air cylinder, a connecting plate, an ash-carrying scraper and a handle, wherein the first air cylinder is fixed inside the base and is positioned at the right bottom side of the combustion cavity, an output shaft of the first air cylinder is fixedly connected with the connecting plate, the horizontally arranged ash-carrying scraper is in sliding connection with the connecting plate, and the handle is fixed at the vertical side of the ash-carrying scraper;

clean structure includes interior bounding wall, cylinder two, boiler, scrapes grey frame and grate, interior bounding wall and combustion chamber top inner wall fixed connection, and the cylinder two and interior bounding wall fixed connection of vertical setting, its output shaft run through interior bounding wall and with scrape grey frame fixed connection, boiler and interior bounding wall inner wall fixed connection to be located the inboard of scraping grey frame, and the top outside intercommunication of boiler has the takeover that extends to the shell outside, the outside of scraping grey frame is the inclined plane, and its inboard bulge and boiler outer wall laminating, the grate is fixed in between combustion chamber and the base.

Preferably, the outside of shell is fixed with the living beings raw materials case with the chamber intercommunication that burns, and the intercommunication has the passage between the two, living beings raw materials case's bottom is provided with ejection of compact spout, and sliding connection has the drawing board in the ejection of compact spout.

Preferably, the fume emission structure includes steam drum, fan, honeycomb duct, calandria, manometer and play steam valve, steam drum and boiler top side and play steam valve intercommunication, the one end and the burning chamber intercommunication of fan, the other end and honeycomb duct intercommunication, honeycomb duct and the calandria intercommunication of vertical setting, and the bottom and the flue gas dust collection chamber intercommunication of calandria.

Preferably, a refractory brick is fixed on the inner wall of the bottom of the combustion chamber.

Preferably, the outer side of the shell is rotatably hinged with a furnace door and a dust removal door II which correspond to the combustion chamber and the smoke dust collection chamber, and the outer side of the base is rotatably hinged with the dust removal door I.

Preferably, a water level gauge communicated with the boiler is arranged on the top side of the furnace door, a fire observation opening is formed in the bottom side of the furnace door, and high-temperature-resistant glass is fixed on the inner side of the fire observation opening.

Preferably, a heat insulation layer is arranged between the combustion chamber and the flue gas dust collection chamber, and the bottom of the outer side of the heat insulation layer is communicated with a cooling liquid through pipe.

Preferably, the top end of the shell is communicated with two safety valves.

Preferably, the top side of the steam pocket is communicated with a pressure gauge.

Compared with the prior art, the invention provides the biomass steam generator convenient for dust cleaning and dust discharging, which has the following beneficial effects:

1. according to the invention, through mutual cooperation among all parts, machines are used for replacing manual work to carry out dust scraping and cleaning operation, and the dust can be cleaned without waiting for the complete cooling inside the device, so that the cleaning efficiency is greatly improved, and the burden of manual operation is effectively reduced;

2. according to the invention, the dust cleaning device is used for collecting fallen dust in a centralized manner while cleaning dust, so that subsequent cleaning is avoided, and the cleaning steps are simplified;

3. the invention effectively seals the heat of the combustion chamber, so that the heat can be maximally used for heating the boiler, the steam generation efficiency is ensured, and the use safety of the steam generator is improved.

Drawings

FIG. 1 is a schematic perspective view of a biomass steam generator for easy dust removal and dust removal according to the present invention;

FIG. 2 is a schematic side view of a biomass steam generator for facilitating ash removal and dust removal according to the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A in FIG. 2;

fig. 4 is a schematic view of a three-dimensional structure of a scraper of the biomass steam generator convenient for dust cleaning and dust discharging.

In the figure: the device comprises a base 1, a first ash removing door 101, a first air cylinder 102, a connecting plate 103, an ash carrying scraper 104, a handle 105, a shell 2, a combustion chamber 201, a flue gas dust collecting chamber 202, a biomass raw material box 203, a material guide pipe 204, a drawing plate 205, an inner enclosing plate 206, a second air cylinder 207, a boiler 208, an ash scraping frame 209, refractory bricks 210, a grate 211, an oven door 212, a second ash removing door 213, a water level meter 214, a connecting pipe 215, a fire observation opening 216, a flue gas discharge structure 3, a steam pocket 301, a fan 302, a guide pipe 303, a discharge pipe 304, a safety valve 305, a pressure gauge 306, a steam outlet valve 4, a control panel 5, a heat insulation layer 6 and a cooling liquid through pipe 601.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-4, a biomass steam generator convenient for dust cleaning and dust discharging, which comprises a base 1, wherein the top of the base 1 is provided with a shell 2, the inside of the shell is provided with a dust cleaning device, the inside of the shell 2 is provided with a combustion chamber 201 and a flue gas dust collecting chamber 202, the outer side of the shell is fixed with a control panel 5, the inside of the combustion chamber 201 is provided with a cleaning structure matched with the dust cleaning device, and the top side of the shell 2 is communicated with a flue gas discharge structure 3;

the ash removal device comprises a cylinder I102, a connecting plate 103, an ash loading scraper 104 and a handle 105, the cylinder I102 is fixed inside the base 1 and positioned at the right bottom side of the combustion cavity 201, an output shaft of the cylinder I102 is fixedly connected with the connecting plate 103, the ash loading scraper 104 arranged horizontally is slidably connected with the connecting plate 103, and the handle 105 is fixed at the vertical side of the ash loading scraper 104 for controlling the ash loading scraper 104;

the cleaning structure comprises an inside boarding 206, a second air cylinder 207, a boiler 208, an ash scraping frame 209 and a grate 211, in order to ensure the stability of the connection between the boiler 208 and the ash scraping frame 209, and ensure that the ash scraping frame 209 can perform the ash scraping operation on the surface of the boiler 208, here, the inner surrounding plate 206 is fixedly connected with the inner wall of the top of the combustion chamber 201, and the vertically arranged cylinder II 207 is fixedly connected with the inner surrounding plate 206, the output shaft of the boiler penetrates through the inner surrounding plate 206 and is fixedly connected with the ash scraping frame 209, the boiler 208 is fixedly connected with the inner wall of the inner surrounding plate 206, and is positioned at the inner side of the ash scraping frame 209, the outer side of the top of the boiler 208 is communicated with a connecting pipe 215 which extends to the outer side of the shell 2, the outer side of the ash scraping frame 209 is an inclined surface, the inner side of the inclined surface is convexly jointed with the outer wall of the boiler 208, in order to facilitate the falling of the burnt biomass ash onto the ash carrying scraper 104 for collection, a grate 211 is fixed between the combustion chamber 201 and the base 1.

In the embodiment, firstly, biomass raw materials enter the combustion chamber 201, then water is conveyed into the boiler 208 through the connecting pipe 215, each door of the device is closed, the biomass raw materials are ignited by the igniter, the biomass raw materials are combusted to heat the water in the boiler 208 and enable the water to generate high-temperature steam, the steam is safely discharged along with the smoke discharge structure 3, after use, dust scraping and cleaning treatment needs to be carried out, the first air cylinder 102 is started to enable the dust carrying scraper blade 104 to be close to the grate 211, the dust falling distance is reduced, meanwhile, dust scraping operation is carried out on the inner wall of the inner side space of the first dust cleaning door 101, the second air cylinder 207 is started to enable the dust scraping frame 209 to carry out dust scraping operation on the surface of the boiler 208 and the inner wall of the combustion chamber 201, the scraped dust falls onto the dust carrying scraper blade 104 through the grate 211, after dust cleaning, the first dust cleaning door 101 is opened, the handle 105 is held by hand, the dust carrying scraper blade 104 is drawn away from the connecting plate 103, and the dust is treated uniformly.

Example two

As shown in fig. 1 to 4, in this embodiment, basically the same as that in embodiment 1, preferably, in order to facilitate manual control of the input of the biomass fuel, a biomass raw material tank 203 communicated with the combustion chamber 201 is fixed on the outer side of the housing 2, a material guide pipe 204 is communicated between the two, a discharging chute is arranged at the bottom end of the biomass raw material tank 203, and a drawing plate 205 is slidably connected in the discharging chute.

In this embodiment, the biomass raw material is loaded in the biomass raw material tank 203, and the pulling plate 205 is pulled manually, so that the biomass raw material tank 203, the material guide pipe 204 and the combustion chamber 201 are communicated, and the biomass raw material falls into the combustion chamber 201 from the bottom of the biomass raw material tank 203 for combustion.

EXAMPLE III

As shown in fig. 3, this embodiment is substantially the same as embodiment 1, preferably, in order to perform effective separated discharge of flue gas and ensure safety of flue gas discharge and facilitate visual observation of steam pressure change, the flue gas discharge structure 3 is provided here and includes a steam drum 301, a fan 302, a flow guide pipe 303, a discharge pipe 304, a pressure gauge 306 and a steam outlet valve 4, the steam drum 301 is communicated with the top side of the boiler 208 and the steam outlet valve 4, and in order to control the wind pressure of the fan 302 according to the change of the pressure gauge 306 and ensure smooth steam circulation, here, one end of the fan 302 is provided to be communicated with the combustion chamber 201, the other end is provided to be communicated with the flow guide pipe 303, the flow guide pipe 303 is communicated with the vertically arranged discharge pipe 304, the bottom end of the discharge pipe 304 is communicated with the flue gas dust collecting chamber 202, and the top side of the steam drum 301 is communicated with the pressure gauge 306.

In this embodiment, the pressure in the combustion chamber 201 and the flue gas dust-collecting chamber 202 is controlled by the fan 302, and is adjusted according to the change of the pressure gauge 306, so as to ensure stable steam pressure, the flue gas enters the flue gas dust-collecting chamber 202 through the pipeline for heat preservation and accumulation, so that secondary utilization of the flue gas is facilitated, the steam enters the steam drum 301, and then the steam is discharged from the steam outlet valve 4 at the top end of the shell 2.

Example four

As shown in fig. 3, this embodiment is substantially the same as embodiment 1, and preferably, a firebrick 210 is fixed to the bottom inner wall of the combustion chamber 201.

In this embodiment, effectively isolate the heat of burning chamber 201 inside through resistant firebrick 210, prevent that it from transmitting the heat to shell 2 wall on, cause outside operating personnel's scald, improve this steam generator's security.

EXAMPLE five

As shown in fig. 1, this embodiment is substantially the same as embodiment 1, preferably, the outer side of the housing 2 is rotatably hinged with a furnace door 212 and a second ash removing door 213 corresponding to the combustion chamber 201 and the flue gas dust collecting chamber 202, the outer side of the base 1 is rotatably hinged with a first ash removing door 101, the top side of the furnace door 212 is provided with a water level gauge 214 communicated with the boiler 208, the bottom side of the furnace door is provided with a fire observation opening 216, and the inner side of the fire observation opening 216 is fixed with high temperature resistant glass.

In this embodiment, be convenient for scrape down the ash of boiler 208 bottom and remaining ash on the grate 211 through the furnace gate 212, it is inboard to make the dust fall into deashing door 101 completely, it clears up the interior remaining cigarette ash of flue gas dust-collecting chamber 202 regularly to be convenient for through opening deashing door two 213, water level gauge 214 is convenient for observe boiler 208's water level, thereby be convenient for carry out the moisturizing constantly, through observing the inside intensity of a fire of burner port 216 visual observation combustion chamber 201, thereby the inside wind pressure of combustion chamber 201 is adjusted according to the intensity of a fire to the convenience, and the selectivity supplyes biomass raw materials.

EXAMPLE six

As shown in fig. 3, this embodiment is substantially the same as embodiment 1, and preferably, in order to effectively insulate the flue gas in the flue gas dust-collecting chamber 202, a heat insulating layer 6 is provided between the combustion chamber 201 and the flue gas dust-collecting chamber 202, and the outer bottom of the heat insulating layer 6 is communicated with a cooling liquid pipe 601.

In this embodiment, the coolant is added to the heat insulating layer 6 through the coolant pipe 601, so that the thermal influence of the combustion chamber 201 is alleviated, and the temperature in the flue gas dust collecting chamber 202 is kept normal.

EXAMPLE seven

As shown in fig. 2, this embodiment is substantially the same as embodiment 1, and preferably, two safety valves 305 are connected to the top end of the housing 2.

In this embodiment, through setting up two relief valves 305, increase the pressure release ability of safety structure to guarantee the inside pressure safety of this steam generator, improve holistic security.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A biomass steam generator convenient for dust cleaning and dust discharging comprises a base (1), wherein the top of the base (1) is provided with a shell (2), the inside of the shell is provided with a dust cleaning device, the inside of the shell (2) is provided with a combustion chamber (201) and a flue gas dust collection chamber (202), and the outer side of the shell is fixed with a control panel (5), the biomass steam generator is characterized in that the inside of the combustion chamber (201) is provided with a cleaning structure matched with the dust cleaning device for use, and the top side of the shell (2) is communicated with a flue gas discharge structure (3);

the ash removal device comprises a first cylinder (102), a connecting plate (103), an ash loading scraper (104) and a handle (105), wherein the first cylinder (102) is fixed inside the base (1) and is positioned at the right bottom side of the combustion cavity (201), an output shaft of the first cylinder is fixedly connected with the connecting plate (103), the ash loading scraper (104) which is horizontally arranged is in sliding connection with the connecting plate (103), and the handle (105) is fixed at the vertical side of the ash loading scraper (104);

clean structure includes interior bounding wall (206), cylinder two (207), boiler (208), scrapes grey frame (209) and grate (211), interior bounding wall (206) and combustion chamber (201) top inner wall fixed connection, and two (207) of vertical cylinder and interior bounding wall (206) fixed connection that set up, its output shaft run through interior bounding wall (206) and with scrape grey frame (209) fixed connection, boiler (208) and interior bounding wall (206) inner wall fixed connection to lie in the inboard of scraping grey frame (209), and the top outside intercommunication of boiler (208) has takeover (215) that extend to shell (2) outside, the outside of scraping grey frame (209) is the inclined plane, and its inboard protruding and boiler (208) outer wall laminating, grate (211) are fixed in between combustion chamber (201) and base (1).

2. The biomass steam generator convenient for ash cleaning and dust exhaust according to claim 1, wherein a biomass raw material box (203) communicated with the combustion chamber (201) is fixed on the outer side of the housing (2), a material guide pipe (204) is communicated between the biomass raw material box and the combustion chamber, a discharging chute is arranged at the bottom end of the biomass raw material box (203), and a drawing plate (205) is slidably connected in the discharging chute.

3. The biomass steam generator convenient for ash and dust cleaning is characterized in that the flue gas discharge structure (3) comprises a steam drum (301), a fan (302), a guide pipe (303), a discharge pipe (304), a pressure gauge (306) and a steam outlet valve (4), the steam drum (301) is communicated with the top side of the boiler (208) and the steam outlet valve (4), one end of the fan (302) is communicated with the combustion chamber (201), the other end of the fan is communicated with the guide pipe (303), the guide pipe (303) is communicated with the vertically arranged discharge pipe (304), and the bottom end of the discharge pipe (304) is communicated with the flue gas dust collection chamber (202).

4. The biomass steam generator convenient for dust cleaning and discharging of the dust as claimed in claim 1, wherein a refractory brick (210) is fixed on the bottom inner wall of the combustion chamber (201).

5. The biomass steam generator convenient for ash and dust removal according to claim 1, wherein the outer side of the housing (2) is rotatably hinged with a furnace door (212) and a second ash removal door (213) corresponding to the combustion chamber (201) and the flue gas dust collection chamber (202), and the outer side of the base (1) is rotatably hinged with the first ash removal door (101).

6. The biomass steam generator convenient for ash removal and dust removal as claimed in claim 5, wherein a water level gauge (214) communicated with the boiler (208) is arranged on the top side of the furnace door (212), a fire observation port (216) is arranged on the bottom side of the furnace door, and high temperature resistant glass is fixed on the inner side of the fire observation port (216).

7. The biomass steam generator convenient for ash and dust removal according to claim 1, wherein a heat insulating layer (6) is arranged between the combustion chamber (201) and the flue gas dust collection chamber (202), and the bottom of the outer side of the heat insulating layer (6) is communicated with a cooling liquid through pipe (601).

8. The biomass steam generator convenient for dust cleaning and discharging is characterized in that two safety valves (305) are communicated with the top end of the shell (2).

9. The biomass steam generator convenient for ash and dust removal according to claim 3, wherein the top side of the steam drum (301) is communicated with a pressure gauge (306).