CN215982518U

CN215982518U - Energy biomass CFB boiler equipment

Info

Publication number: CN215982518U
Application number: CN202122462683.0U
Authority: CN
Inventors: 李立峰; 卢飞挺; 张剑波; 马春明
Original assignee: Ningbo Shimao Energy Co ltd
Current assignee: Ningbo Shimao Energy Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-08
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses energy biomass CFB boiler equipment which comprises a boiler body, a chopping component arranged on one side of the boiler body, an air outlet pipe communicated with the top end of one side of the boiler body and two control components respectively communicated with the chopping component, wherein the two control components are respectively used for controlling air inlet and air outlet of the chopping component, the chopping component comprises a chopping barrel which is obliquely arranged, chopping pieces which are arranged in the chopping barrel and used for conveying and stirring biomass back and forth, a supporting frame arranged between the chopping barrel and the boiler body, a discharge pipe and a feed pipe, wherein the opposite two ends of the discharge pipe are respectively communicated with the bottom end of the chopping barrel and the bottom of one side of the boiler body, and the feed pipe is communicated with the top end of the chopping barrel and provided with a chopper. This energy living beings CFB boiler equipment not only can handle the living beings that need handle in advance, can also carry out the comminution to the living beings and stir.

Description

Energy biomass CFB boiler equipment

Technical Field

The utility model relates to the field of biomass treatment, in particular to energy biomass CFB boiler equipment.

Background

The CFB boiler is also called a circulating fluidized bed boiler, and the circulating fluidized bed boiler is the clean coal combustion technology with the highest industrialization degree. The circulating fluidized bed boiler adopts fluidized combustion, and the main structure comprises a combustion chamber (comprising a dense phase region and a dilute phase region) and a circulating return furnace (comprising a high-temperature gas-solid separator and a return system).

Traditional living beings are direct burning mostly when handling, especially municipal refuse, and biomass fuel water content is higher, and when the stratified combustion boiler used biomass fuel, biomass fuel did not cut up the stirring, if biomass sticks together one and sticks together, easy burning is insufficient, the fuel and the gas that supplementary burning below was used are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide energy biomass CFB boiler equipment to solve the problems that biomass fuel is not chopped and stirred, if the biomass fuel is piled into a lump, the biomass fuel is easy to be insufficiently combusted, and fuel oil and fuel gas used for auxiliary combustion below are wasted.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an energy living beings CFB boiler equipment, includes the boiler body, set up in the shredding member of boiler body one side, with outlet duct and two of boiler body one side top intercommunication respectively with the control component of shredding the member intercommunication, two the control component is used for controlling the air inlet and the air-out of shredding the member respectively, the shredding member includes that the slope sets up the shredding barrel, set up and be used for making a round trip to carry and stir the shredding member of living beings in the shredding barrel, set up support frame between shredding barrel and boiler body, relative both ends respectively with the discharging pipe of shredding barrel bottom and one side bottom intercommunication of boiler body and with the inlet pipe that shredding barrel top intercommunication just has the mincer.

In a further embodiment, the chopping piece comprises a positive and negative motor connected to the side surface of the chopping barrel, a rotating rod connected with the output shaft of the positive and negative motor through a coupler and penetrating through the chopping barrel, a plurality of stirring blade groups and a plurality of auger pieces connected with the periphery of the rotating rod;

the auger piece and the stirring blade group are arranged at intervals, and the stirring blade group consists of a plurality of stirring blades.

In a further embodiment, the plurality of stirring blade groups and the plurality of auger pieces are arranged in an inner cavity of the chopping barrel, and the inner wall of the chopping barrel is connected with a temperature sensor and a humidity sensor.

In a further embodiment, the two control members each comprise a circulation pipe with a solenoid valve communicated with the air outlet pipe and a fan arranged between the circulation pipe and the shredding barrel, and the wind directions of the two fans are the same.

In a further embodiment, a semiconductor refrigerating sheet for condensation is arranged in an inner cavity of a circulating pipe of the control component for air outlet, a liquid receiving pipe with an electromagnetic valve corresponding to the semiconductor refrigerating sheet is communicated with the side surface of the circulating pipe, and the liquid receiving pipe is communicated with an external liquid receiving device.

In a further embodiment, the bottom end of the fan of the control component for air outlet is connected with a filter pipe, the inner wall of the filter pipe is connected with a filter screen for filtering dust, a motor shaft of the fan is connected with a rotating rod, and the bottom end of the rotating rod is connected with a brush for cleaning the filter screen.

In a further embodiment, the feeding pipe, the discharging pipe and the air outlet pipe are all provided with an air flow regulating valve for controlling air flow, and the inner walls of the chopping member and the control member are coated with heat insulation coating.

In summary, according to the energy biomass CFB boiler equipment, the heat flue gas generated after combustion is guided into the chopping barrel in the chopping member, so that the biomass is dried by using the heat, the biomass is not required to be dried by reusing energy, and the influence on the environment after the heat flue gas is discharged can be reduced; the shredder of the shredding component can shred biomass in advance, the auger piece and the stirring blade of the shredding piece can stir the biomass in the inner cavity of the shredding barrel, hot smoke is matched to ensure drying, and the auger piece can be driven to rotate in the positive and negative directions by the design of the positive and negative motors, so that the biomass is prevented from being accumulated on one side; the design of the fan of the control component can assist air in the air outlet pipe to enter the chopping barrel so as to dry the biomass, and the design of the semiconductor refrigerating sheet in the air outlet flow pipe can condense oil liquid or other substances generated by drying the biomass so as to flow into the liquid receiving pipe along with gravity, so that the environment is prevented from being influenced by the circulation, and a filter screen and a brush of the fan can be used for filtering and cleaning so as to prevent the drying from being influenced; this energy living beings CFB boiler equipment not only can utilize thermal flue gas to handle the living beings that need handle in advance, can also carry out the comminution and the stirring to the living beings.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a sectional view of the liquid receiving tube of the present invention.

Fig. 3 is a sectional view of the crushing bucket of the present invention.

Fig. 4 is an enlarged view of the structure of fig. 3 a of the present invention.

FIG. 5 is a schematic structural diagram of a positive and negative motor of the present invention.

Description of reference numerals:

1. a boiler body; 2. a shredding member; 3. a control member; 21. a shredding barrel; 22. a support frame; 23. a discharge pipe; 24. a chopper; 25. a positive and negative motor; 26 rotating the rod; 27. stirring blades; 28. packing auger piece; 31. a flow-through tube; 32. a fan; 33. a semiconductor refrigeration sheet; 34. a liquid receiving pipe; 35. a filter tube; 36. a brush; 4. and an air outlet pipe.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.

In order to dry biomass by using heat smoke, refer to an energy biomass CFB boiler device shown in fig. 1, 2 and 4, which includes a boiler body 1 (the boiler body 1 is a prior art, the graph in fig. 1 is a prior art template, if different, according to the selection), a chopping member 2 disposed at one side of the boiler body 1, an air outlet pipe 4 communicated with the top end of one side of the boiler body 1, and two control members 3 respectively communicated with the chopping member 2, the two control members 3 are respectively used for controlling the air inlet and outlet of the chopping member 2, the two control members 3 each include a circulation pipe 31 with an electromagnetic valve communicated with the air outlet pipe 4 and a fan 32 disposed between the circulation pipe 31 and the chopping barrel 21, the fan 32 is a high temperature resistant fan (the high temperature resistant fan in the prior art can resist a high temperature range of 200 degrees and 800 degrees), the wind direction of two fans 32 is the same, the inner chamber of runner pipe 31 for the control component 3 of air-out is provided with the semiconductor refrigeration piece 33 that is used for the condensation (or other equipment that is used for the condensation, guarantee the condensation effect can), the side intercommunication of runner pipe 31 has the liquid pipe 34 that connects that has the solenoid valve that corresponds with semiconductor refrigeration piece 33 position (the position guarantees can connect the liquid completely), and connect liquid pipe 34 and outside connecing liquid equipment intercommunication, the bottom of fan 32 for the control component 3 of air-out is connected with filter tube 35, the inner wall of filter tube 35 is connected with the filter screen that is used for filtering the dust, fan 32's motor shaft is connected with the bull stick, the bottom of bull stick is connected with the brush 36 that is used for cleaning the filter screen, avoid the material circulation of dust form to go out the influence environment, also can avoid the filter screen to be blocked up.

Referring to fig. 1, 3 and 5, in order to process the biomass to be processed, the shredding means 2 includes a shredding barrel 21 disposed obliquely, shredding pieces disposed in the shredding barrel 21 for conveying and stirring the biomass back and forth, a supporting frame 22 disposed between the shredding barrel 21 and the boiler body 1 (the supporting frame 22 is composed of a supporting plate and two inclined plates connected to the bottom end of the shredding barrel 21), a discharge pipe 23 having opposite ends respectively communicating with the bottom end of the shredding barrel 21 and the bottom of one side of the boiler body 1, and a feed pipe having a shredder 24 communicating with the top end of the shredding barrel 21, the shredder 24 is not shown as a reference, the chopping piece comprises a positive and negative motor 25 connected to the side surface of the chopping barrel 21, a rotating rod 26 connected with the output shaft of the positive and negative motor 25 through a coupler and penetrating through the chopping barrel 21, a plurality of stirring blade groups and a plurality of auger pieces 28 connected with the periphery of the rotating rod 26; auger piece 28 and stirring leaf group interval set up, stir the leaf group and constitute by a plurality of stirring leaves 27, and a plurality of stirring leaf groups and a plurality of auger piece 28 all set up the inner chamber at shredding barrel 21, and shredding barrel 21's inner wall connection has temperature sensor and humidity transducer for know the dry condition, also can avoid the high dry effect of influence of temperature.

Referring to fig. 1, for safety of work, an air flow regulating valve for controlling air flow is installed on each of the feed pipe, the discharge pipe 23, and the outlet pipe 4, and the inner walls of the shredding means 2 and the control means 3 are coated with a heat insulating coating.

The working principle of the energy biomass CFB boiler device is that biomass to be processed is guided into a chopper 24 by utilizing a conveying device, the biomass falls into an inner cavity of a chopping barrel 21 after being chopped, a positive and negative motor 25 is started to drive a stirring blade 27 and an auger piece 28 to rotate, the biomass in the inner cavity of the auxiliary chopping barrel 21 is stirred, the feeding is closed after the amount of the biomass reaches a certain scale, an air flow regulating valve of a feeding pipe is closed, an electromagnetic valve of a fan 32 and a circulating pipe 31 is opened, hot flue gas of an auxiliary air outlet pipe 4 is guided into the inner cavity of the chopping barrel 21, the stirred biomass is dried, condensation of a semiconductor refrigerating piece 33 can condense oil liquid or other substances generated by drying the biomass and further flow into a liquid receiving pipe 34 along with gravity, in the process, the fan 32 drives a rotating rod to rotate, a brush 36 is driven to clean a filter screen, and dust-shaped materials are prevented from being circulated out, after the drying is completed, the air flow control valve is closed, and the electromagnetic valve of the discharge pipe 23 is opened to introduce the biomass into the boiler body 1.

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 equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an energy living beings CFB boiler equipment, includes boiler body (1), sets up in shredding member (2) of boiler body (1) one side, outlet duct (4) and two respectively with control component (3) of shredding member (2) intercommunication, two with outlet duct (4) of boiler body (1) one side top intercommunication control component (3) are used for controlling respectively and shred the air inlet and the air-out of component (2), its characterized in that: shredding member (2) including the shredding barrel (21) that the slope set up, set up in shredding barrel (21) and be used for making a round trip to carry and stir the shredding piece of living beings, set up support frame (22) between shredding barrel (21) and boiler body (1), relative both ends respectively with shredding barrel (21) bottom and discharging pipe (23) of one side bottom intercommunication of boiler body (1) and with shredding barrel (21) top intercommunication and have the inlet pipe of mincer (24).

2. An energy biomass CFB boiler plant according to claim 1, characterized in that: the chopping piece comprises a positive and negative motor (25) connected to the side surface of the chopping barrel (21), a rotating rod (26) connected with the output shaft of the positive and negative motor (25) through a coupler and penetrating through the chopping barrel (21), a plurality of stirring blade groups connected with the periphery of the rotating rod (26) and a plurality of auger pieces (28);

the auger piece (28) and the stirring blade group are arranged at intervals, and the stirring blade group consists of a plurality of stirring blades (27).

3. An energy biomass CFB boiler plant according to claim 2, characterized in that: a plurality of stirring leaf group and a plurality of auger piece (28) all set up the inner chamber at shredding barrel (21), the inner wall of shredding barrel (21) is connected with temperature sensor and humidity transducer.

4. An energy biomass CFB boiler plant according to claim 1, characterized in that: the two control components (3) respectively comprise a circulating pipe (31) which is communicated with the air outlet pipe (4) and is provided with an electromagnetic valve and a fan (32) which is arranged between the circulating pipe (31) and the shredding barrel (21), and the wind directions of the two fans (32) are the same.

5. An energy biomass CFB boiler plant according to claim 4, characterized in that: an inner cavity of a circulating pipe (31) of the control component (3) for air outlet is provided with a semiconductor refrigerating sheet (33) for condensation, a liquid receiving pipe (34) which corresponds to the semiconductor refrigerating sheet (33) in position and is provided with an electromagnetic valve is communicated with the side surface of the circulating pipe (31), and the liquid receiving pipe (34) is communicated with external liquid receiving equipment.

6. An energy biomass CFB boiler plant according to claim 4, characterized in that: the bottom end of a fan (32) of the control component (3) used for air outlet is connected with a filter pipe (35), the inner wall of the filter pipe (35) is connected with a filter screen used for filtering dust, a motor shaft of the fan (32) is connected with a rotating rod, and the bottom end of the rotating rod is connected with a brush (36) used for cleaning the filter screen.

7. An energy biomass CFB boiler plant according to claim 1, characterized in that: all install the air flow governing valve that is used for controlling air flow on inlet pipe, discharging pipe (23) and outlet duct (4), the inner wall of shredding member (2) and control member (3) all coats and has thermal-insulated coating.