CN111928236A - Environment-friendly circulating fluidized bed power station boiler - Google Patents
Environment-friendly circulating fluidized bed power station boiler Download PDFInfo
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- CN111928236A CN111928236A CN202010805848.7A CN202010805848A CN111928236A CN 111928236 A CN111928236 A CN 111928236A CN 202010805848 A CN202010805848 A CN 202010805848A CN 111928236 A CN111928236 A CN 111928236A
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- shell
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
- F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
- F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
- F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/24—Devices for removal of material from the bed
- F23C10/26—Devices for removal of material from the bed combined with devices for partial reintroduction of material into the bed, e.g. after separation of agglomerated parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/28—Control devices specially adapted for fluidised bed, combustion apparatus
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The invention relates to the technical field of boilers, in particular to an environment-friendly circulating fluidized bed power station boiler, which comprises a boiler, wherein the lower end of the boiler is connected with a gas injection pipe, one side of the boiler is connected with a gas injection pipe, the top of the boiler is fixedly connected with a control box, the control box penetrates through a shell of the boiler, the upper end of the control box is fixedly connected with a gas exhaust pipe, a rotary drum, a shaft lever and a control device are arranged in an inner cavity of the control box, the structural design of the invention realizes that when flue gas flow in the boiler is discharged outside through the control box, gas flow drives a plurality of control devices to move, meanwhile, large coal particles in the flue gas flow can be retained in a control seat until the control devices move to the position of a hinged shell, the gas flow sprayed from the hinged shell blows the large coal particles in the control seat into the inner cavity of the boiler, and then burning, has certain energy-saving and environment-friendly characteristics.
Description
Technical Field
The invention relates to the technical field of boilers, in particular to an environment-friendly circulating fluidized bed power station boiler.
Background
Circulating fluidized bed power plant boiler among the prior art often sets up the flue gas collection device of insufficient combustion in one side of boiler, pours the flue gas into back into the boiler again and burns, and collection device occupies certain soil, and the flue gas also can waste certain energy in the transport work of long route simultaneously, and this is a loss to the high efficiency power station that utilizes the flue gas energy.
If the boiler can be invented, the circulating device is arranged at the top of the boiler, the problem can be solved by avoiding the problem of long-path transportation of flue gas as much as possible, and therefore the environment-friendly circulating fluidized bed power station boiler is provided.
Disclosure of Invention
The invention aims to provide an environment-friendly circulating fluidized bed power station boiler to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an environment-friendly circulating fluidized bed power station boiler comprises a boiler, wherein the lower end of the boiler is connected with a gas injection pipe, one side of the boiler is connected with a gas injection pipe, the top of the boiler is fixedly connected with a control box, the control box penetrates through a shell of the boiler, the upper end of the control box is fixedly connected with a gas exhaust pipe, a rotary drum, a shaft rod and a control device are arranged in an inner cavity of the control box, the shaft rod is movably sleeved in the middle of the rotary drum, the end part of the shaft rod is fixedly connected with the inner wall of the control box, a plurality of uniformly distributed control devices are annularly arranged on the outer wall of the rotary drum, each control device comprises two side ear plates which are distributed in parallel, a control seat is arranged between the two side ear plates, one end of the control seat is integrally connected with a cylinder, a central shaft penetrates through the middle part of the cylinder of the control seat, the end part of the, one end of each side lug plate is fixedly connected with the outer side wall of the rotary drum, the other side of the cylinder of each side lug plate is provided with a blocking block, the blocking block and the pressure device are arranged between the two side lug plates, a plate-shaped cavity, a mouth collecting cavity and a round hole are formed in a square plate of the control seat, one side of the plate-shaped cavity is communicated with the mouth collecting cavities which are uniformly distributed, the other side of the plate-shaped cavity is communicated with the round hole, a hard tube is embedded into a shell of the control box, one end of the hard tube is fixedly connected with a funnel shell, the other end of the hard tube is provided with a sliding cylinder, the hard tube and the sliding cylinder are arranged in an inner cavity of the control box, the sliding cylinder is movably sleeved on the hard tube, one end of the sliding cylinder is fixedly connected with the control shell, the middle of the control shell is provided with a hinged shell, the other end of the sliding cylinder is contacted with a spring.
Preferably, pressure device is including direction box, spring leaf and arc pole, the direction box is the cylindrical shell of one end open-ended arc, and the direction box is fixed between two side otic placodes, is provided with spring leaf and arc pole in the inner chamber of direction box, the one end contact of arc pole has the spring leaf, and the other end of arc pole extends to the direction box outside, and the square board contact of arc pole tip and control holder, and the spring leaf is the wave platelike.
Preferably, the closing cavity is in the shape of a thin tube cavity integrally connected with one end of the circular truncated cone groove, one end of the thin tube cavity in the closing cavity is communicated with the plate-shaped cavity, one end of the round hole is communicated with the plate-shaped cavity, and the other end of the round hole extends to the outside of the control seat.
Preferably, the hinge shell is in a spherical segment shell shape, the bottom end of the hinge shell is an open end, the control shell is in a spherical segment shell shape, the hinge shell penetrates through the inner cavity of the control shell, the hinge shell is arranged in the inner cavity of the control shell in a matching manner, one end of the sliding barrel extends into the inner cavity of the control shell, a round hole is formed in the hinge shell, and one end of the sliding barrel is communicated with the round hole of the hinge shell.
Preferably, the sliding barrel is cylindrical and movably sleeved on the outer wall of the hard pipe, a plurality of uniformly distributed convex sliding blocks are arranged on the outer wall of the hard pipe in a fixing mode, the convex sliding blocks on the hard pipe partially extend into sliding grooves formed in the inner wall of the sliding barrel, and the spring is sleeved on the hard pipe.
Preferably, the control box shape is the prismatic casing of one end open-ended, and communicates on the bottom plate of board casing prismatic casing, and blast pipe one end extends to the prismatic casing of control box in, and the funnel casing sets up in the prismatic casing of control box.
Compared with the prior art, the invention has the beneficial effects that:
1. the structural design of the invention realizes that when the flue gas flow in the boiler is discharged outside through the control box, the air flow drives the control devices to move, meanwhile, large coal particles in the flue gas flow can be retained in the control seat until the control devices move to the position of the hinged shell, the air flow sprayed out of the hinged shell blows the large coal particles in the control seat down into the inner cavity of the boiler, and then the burning work is carried out again, the burning quality of the coal is improved, no extra electric power input is needed, and the invention has certain energy-saving and environment-friendly characteristics;
2. according to the invention, a series of control transmission is realized in the inner cavity of the control box, the rising power of the flue gas flow is utilized, no extra energy is needed to be supplied, the granular coal in the flue gas flow is fully adsorbed by the control seats, the granular coal is thrown back into the boiler again, and the whole transmission is realized smoothly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic structural diagram of the control box.
In the figure: the device comprises a boiler 1, a gas injection pipe 2, a material injection pipe 3, a control box 4, an exhaust pipe 5, a rotating cylinder 6, a shaft rod 7, a control device 8, a blocking block 9, a side ear plate 10, a control seat 11, a central shaft 12, a pressure device 13, a plate-shaped cavity 14, a mouth-closing cavity 15, a round hole 16, a hard pipe 17, a funnel shell 18, a sliding cylinder 19, a control shell 20, a hinged shell 21, a spring 22, an intercepting cylinder 23, a guide box 24, a spring leaf 25 and an arc-shaped rod 26.
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. All other embodiments obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: an environment-friendly circulating fluidized bed power station boiler comprises a boiler 1, wherein the lower end of the boiler 1 is connected with a gas injection pipe 2, one side of the boiler 1 is connected with a material injection pipe 3, the top of the boiler 1 is fixedly connected with a control box 4, the control box 4 penetrates through a shell of the boiler 1, the upper end of the control box 4 is fixedly connected with a gas exhaust pipe 5, an inner cavity of the control box 4 is internally provided with a rotary drum 6, a shaft rod 7 and a control device 8, the middle part of the rotary drum 6 is movably sleeved with the shaft rod 7, the end part of the shaft rod 7 is fixedly connected with the inner wall of the control box 4, the outer wall of the rotary drum 6 is annularly provided with a plurality of uniformly distributed control devices 8, each control device 8 comprises two side ear plates 10 which are distributed in parallel, a control seat 11, a central shaft 12 and a pressure device 13, a control seat 11 is arranged between the two side ear plates 10, the end part of a central shaft 12 is fixedly connected with a side ear plate 10, one side of a cylinder of the side ear plate 10 is provided with a pressure device 13, one end of the side ear plate 10 is fixedly connected with the outer side wall of a rotary drum 6, the other side of the cylinder of the side ear plate 10 is provided with a blocking block 9, the blocking block 9 and the pressure device 13 are arranged between the two side ear plates 10, a square plate of a control seat 11 is provided with a plate-shaped cavity 14, a closing cavity 15 and a round hole 16, one side of the plate-shaped cavity 14 is communicated with a plurality of closing cavities 15 which are uniformly distributed, the other side of the plate-shaped cavity 14 is communicated with the round hole 16, a hard tube 17 is embedded in a shell of a control box 4, one end of the hard tube 17 is fixedly connected with a funnel shell 18, the other end part of the hard tube 17 is provided with a slide tube 19, the hard tube 17 and the slide tube 19 are arranged in the inner cavity of the control box 4, the slide tube 19 is movably sleeved on the hard tube 17, the other end of the sliding cylinder 19 is contacted with a spring 22, one end of the spring 22 is contacted with an interception cylinder 23, the interception cylinder 23 is fixedly sleeved on the hard pipe 17, the position distribution of the control device 8 and the position of the hinged shell 21 can be understood by referring to fig. 1 and fig. 2, in this way, the control device 8 is wiped from the hinged shell 21 in the moving process, the airflow discharged from the hinged shell 21 is blown into the round hole 16, the ignition device in the prior art is arranged at one side of the boiler 1, the flame spray head is introduced into the inner cavity of the boiler 1, the gas injection mechanism in the prior art injects gas into the gas injection pipe 2, the coal flows into the inner cavity of the boiler 1 through the gas injection pipe 3, and the coal is combusted in the inner cavity of the boiler 1.
The closing cavity 15 is in the shape of a circular truncated cone groove, one end of the circular truncated cone groove is integrally connected with the thin tube cavity, one end of the thin tube cavity of the closing cavity 15 is communicated with the plate-shaped cavity 14, one end of the circular hole 16 is communicated with the plate-shaped cavity 14, and the other end of the circular hole 16 extends to the outside of the control seat 11.
The hinge shell 21 is in a spherical segment shell shape, the bottom end of the hinge shell 21 is an open end, the control shell 20 is in a spherical segment shell shape, the hinge shell 21 penetrates through the inner cavity of the control shell 20, the hinge shell 21 is arranged in the inner cavity of the control shell 20 in a matching manner, one end of the sliding barrel 19 extends into the inner cavity of the control shell 20, a circular hole is formed in the shell of the hinge shell 21, and one end of the sliding barrel 19 is communicated with the circular hole of the hinge shell 21.
The sliding barrel 19 is cylindrical, the sliding barrel 19 is movably sleeved on the outer wall of the hard tube 17, a plurality of uniformly distributed convex sliding blocks are arranged on the outer wall of the hard tube 17 in a fixing mode, the convex sliding blocks on the hard tube 17 extend into sliding grooves formed in the inner wall of the sliding barrel 19, and the spring 22 is sleeved on the hard tube 17.
The control box 4 is in the shape of a plate shell with one open end, the bottom plate of the plate shell is communicated with a prismatic shell, one end of the exhaust pipe 5 extends into the prismatic shell of the control box 4, and the funnel shell 18 is arranged in the prismatic shell of the control box 4.
The working principle is as follows: coal burning is carried out in the inner cavity of the boiler 1, flue gas flows into the control box 4 and is discharged and collected through the exhaust pipe 5, large particle blocks in the flue gas are generated incompletely by burning coal, the flue gas flow drives the control device 8 to further cause the rotation of the rotary drum 6, particles flow into the receiving cavity 15, the particles are directly clamped at the position of the receiving end of the receiving cavity 15 when the particles are overlarge, so that a plate body of the plate-shaped cavity 14 is blocked by a plurality of coal particles, the rotary drum 6 drives the control device 8 to move, the control device 8 meets the hinged shell 21 in the moving process, air flow in the hinged shell 21 is blown into the round hole 16, the air flow gushes into the plate-shaped cavity 14, then the air flow is diffused through the receiving cavities 15, so that the air flow in the receiving cavity 15 blows out the coal particles, the particles fall into the boiler 1 again to be burned again, so that the coal full burning work is realized, the air flow in the hinged shell 21 comes from the, the smoke in the control box 4 rises, part of the air flow flows into the hard tube 17 through the funnel shell 18, the air flow flows into the hinged shell 21 through the sliding barrel 19, the spring 22 rebounds to push the sliding barrel 19, the hinged shell 21 is ensured to be attached to the control seat 11, the hinged shell 21 is hinged with the control shell 20, so that the open end of the hinged shell 21 is assisted to be opposite to the square plate body of the control seat 11, the air flow is ensured to stably flow into the control seat 11, the control device 8 continues to move, the control seat 11 is forced to rotate, namely the control seat 11 rotates to jack the pressure device 13, the pressure device 13 is forced to retract into the guide box 24 until the control device 8 is far away from the hinged shell 21, and the spring piece 25 rebounds to push the control seat 11 to recover the state vertical to the excircle of the rotary drum 6.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an environment-friendly circulating fluidized bed power station boiler, includes boiler (1), and the lower extreme of boiler (1) is connected with gas injection pipe (2), and one side of boiler (1) is connected with notes material pipe (3), its characterized in that: the top of the boiler (1) is fixedly connected with a control box (4), the control box (4) penetrates through a shell of the boiler (1), an exhaust pipe (5) is fixedly connected to the upper end of the control box (4), a rotary drum (6), a shaft rod (7) and a control device (8) are arranged in an inner cavity of the control box (4), the shaft rod (7) is movably sleeved in the middle of the rotary drum (6), the end part of the shaft rod (7) is fixedly connected with the inner wall of the control box (4), a plurality of control devices (8) which are uniformly distributed are annularly arranged on the outer wall of the rotary drum (6), each control device (8) comprises two side ear plates (10) which are distributed in parallel, a control seat (11), a central shaft (12) and a pressure device (13), the control seat (11) is arranged between the two side ear plates (10), one end of the control seat (11) is in a square plate shape, and is integrally connected with a cylinder, and a central, the end part of the central shaft (12) is fixedly connected with the side ear plates (10), one side of a cylinder of each side ear plate (10) is provided with a pressure device (13), one end of each side ear plate (10) is fixedly connected with the outer side wall of the rotary drum (6), the other side of the cylinder of each side ear plate (10) is provided with a blocking block (9), the blocking blocks (9) and the pressure devices (13) are arranged between the two side ear plates (10), a square plate-shaped cavity (14), a mouth receiving cavity (15) and a round hole (16) are arranged in a square plate of the control seat (11), one side of the plate-shaped cavity (14) is communicated with a plurality of evenly distributed mouth receiving cavities (15), the other side of the plate-shaped cavity (14) is communicated with the round hole (16), a hard tube (17) is embedded in a shell of the control box (4), one end of the hard tube (17) is fixedly connected with a funnel shell (18), and the end part of the, hard pipe (17) and smooth section of thick bamboo (19) set up in the inner chamber of control box (4), smooth section of thick bamboo (19) movable sleeve is on hard pipe (17), and the one end fixedly connected with control shell (20) of smooth section of thick bamboo (19), and the middle part of control shell (20) is provided with articulated shell (21), and the other end contact of smooth section of thick bamboo (19) has spring (22), and spring (22) one end contact has interception section of thick bamboo (23), and interception section of thick bamboo (23) fixed sleeve is on hard pipe (17).
2. The environment-friendly circulating fluidized bed utility boiler of claim 1, wherein: pressure device (13) are including direction box (24), spring leaf (25) and arc pole (26), direction box (24) are one end open-ended arc column casing form, and direction box (24) are fixed between two side otic placodes (10), are provided with spring leaf (25) and arc pole (26) in the inner chamber of direction box (24), the one end contact of arc pole (26) has spring leaf (25), and the other end of arc pole (26) extends to direction box (24) outside, and the square plate contact of arc pole (26) tip and control cabinet (11), and spring leaf (25) are wave platelike.
3. The environment-friendly circulating fluidized bed utility boiler of claim 1, wherein: receive oral cavity (15) shape and be round platform groove one end integral connection tubule chamber, receive tubule chamber one end and platelike chamber (14) intercommunication in oral cavity (15), round hole (16) one end and platelike chamber (14) intercommunication, the other end of round hole (16) extends to control seat (11) outside.
4. The environment-friendly circulating fluidized bed utility boiler of claim 1, wherein: hinge shell (21) are the segmental shell form, and the bottom surface end of hinge shell (21) is the open end, and control shell (20) are the segmental shell form, and hinge shell (21) run through the inner chamber of control shell (20), and hinge shell (21) agree with to set up in the inner chamber of control shell (20), and slide cartridge (19) one end extends to the inner chamber of control shell (20) in, has seted up the round hole on the hinge shell (21) casing, and slide cartridge (19) one end and the round hole intercommunication of hinge shell (21).
5. The environment-friendly circulating fluidized bed utility boiler of claim 1, wherein: the sliding cylinder (19) is cylindrical, the sliding cylinder (19) is movably sleeved on the outer wall of the hard pipe (17), a plurality of uniformly distributed protruding sliding blocks are arranged on the outer wall of the hard pipe (17) in a fixing mode, the protruding sliding blocks on the hard pipe (17) partially extend into sliding grooves formed in the inner wall of the sliding cylinder (19), and the spring (22) is sleeved on the hard pipe (17).
6. The environment-friendly circulating fluidized bed utility boiler of claim 1, wherein: the shape of the control box (4) is a plate shell with one open end, a bottom plate of the plate shell is communicated with a prismatic shell, one end of the exhaust pipe (5) extends into the prismatic shell of the control box (4), and the funnel shell (18) is arranged in the prismatic shell of the control box (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010805848.7A CN111928236A (en) | 2020-08-12 | 2020-08-12 | Environment-friendly circulating fluidized bed power station boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010805848.7A CN111928236A (en) | 2020-08-12 | 2020-08-12 | Environment-friendly circulating fluidized bed power station boiler |
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| Publication Number | Publication Date |
|---|---|
| CN111928236A true CN111928236A (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010805848.7A Withdrawn CN111928236A (en) | 2020-08-12 | 2020-08-12 | Environment-friendly circulating fluidized bed power station boiler |
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| CN (1) | CN111928236A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109131A (en) * | 2021-04-02 | 2021-07-13 | 武汉飞盛建设工程有限公司 | Waterproof coating prevents effect tester that ftractures |
-
2020
- 2020-08-12 CN CN202010805848.7A patent/CN111928236A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109131A (en) * | 2021-04-02 | 2021-07-13 | 武汉飞盛建设工程有限公司 | Waterproof coating prevents effect tester that ftractures |
| CN113109131B (en) * | 2021-04-02 | 2024-06-07 | 武汉飞盛建设工程有限公司 | Waterproof coating anti-cracking effect tester |
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Application publication date: 20201113 |
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