CN108895441A - A kind of large circulating fluidized bed boiler - Google Patents
A kind of large circulating fluidized bed boiler Download PDFInfo
- Publication number
- CN108895441A CN108895441A CN201810534179.7A CN201810534179A CN108895441A CN 108895441 A CN108895441 A CN 108895441A CN 201810534179 A CN201810534179 A CN 201810534179A CN 108895441 A CN108895441 A CN 108895441A
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- Prior art keywords
- side wall
- combustion furnace
- catalyst container
- connecting rod
- installs
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- 230000007246 mechanism Effects 0.000 claims abstract description 162
- 239000003054 catalyst Substances 0.000 claims abstract description 73
- 238000002485 combustion reaction Methods 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000011068 loading method Methods 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 32
- 241000883990 Flabellum Species 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 12
- 239000000428 dust Substances 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 10
- 239000000126 substance Substances 0.000 abstract description 9
- 238000005303 weighing Methods 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract description 5
- 239000002244 precipitate Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 80
- 239000000446 fuel Substances 0.000 description 11
- 230000007423 decrease Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- 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
- F23C2206/00—Fluidised bed combustion
- F23C2206/10—Circulating fluidised bed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The present invention relates to boiler technology fields, specifically a kind of large circulating fluidized bed boiler, including supporting table, Blast mechanism, loading hopper, combustion furnace, the mechanism of decompressor, water intake mechanism, exhaust gear, catalysis mechanism, catalyst container, circulation mechanism, collecting mechanism, sealing mechanism and heating mechanism, the inside of the mechanism of decompressor is installed by closing means, three weighing method of closing means blocks the mechanism of decompressor, prevents mechanism of decompressor gas leakage in the case where air pressure is too low；Catalyst container top installation catalysis mechanism is catalyzed in-house catalyst and comes into full contact with exhaust gas, make the harmful substance fast decoupled in exhaust gas when exhaust gas, which passes through catalysis mechanism, to be entered inside catalyst container；And collecting mechanism is installed in the bottom end of catalyst container, exhaust gas makes the dust inside exhaust gas precipitate filtering in the bottom end of collecting mechanism, reduces the dust in exhaust gas, protect environment in the inside sinuous movement of collecting mechanism.
Description
Technical field
The present invention relates to boiler technology field, specifically a kind of large circulating fluidized bed boiler.
Background technique
Boiler is a kind of energy conversion, and the energy inputted to boiler has chemical energy, electric energy in fuel, boiler output
Steam, high-temperature water or organic heat carrier with certain thermal energy.
During using boiler, boiler internal temperature is high, when boiler internal gas rapid expanding, boiler internal pressure
It is strong to increase, easily burst, so the installation mechanism of decompressor on boiler, but existing mechanism of decompressor leakproofness be not it is fine,
But the steam of boiler internal can be revealed when boiler internal pressure is not high, cause to waste；The exhaust gas and catalyst that some boilers generate
Insufficient contact cannot effectively remove the polluter in removing exhaust gas, and can be directly discharged into aerial, pollution containing some in exhaust gas
Environment, in consideration of it, being had the characteristics that the present invention provides a kind of large circulating fluidized bed boiler：
(1) inside of a kind of large circulating fluidized bed boiler of the invention, the mechanism of decompressor is installed by closing means, closing means
Three weighing methods block the mechanism of decompressor, prevent mechanism of decompressor gas leakage in the case where air pressure is too low.
(2) a kind of large circulating fluidized bed boiler of the invention, catalyst container top installation catalysis mechanism, is urged when exhaust gas passes through
When change mechanism enters inside catalyst container, it is catalyzed in-house catalyst and is come into full contact with exhaust gas, make the harmful substance in exhaust gas
Fast decoupled.
(3) collecting mechanism is installed in the bottom end of a kind of large circulating fluidized bed boiler of the invention, catalyst container, and exhaust gas is being collected
The inside sinuous movement of mechanism makes the dust inside exhaust gas precipitate filtering in the bottom end of collecting mechanism, reduces the dust in exhaust gas,
Protect environment.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of large circulating fluidized bed boiler, the mechanism of decompressor it is interior
Closing means are installed in portion, and three weighing method of closing means blocks the mechanism of decompressor, prevents the mechanism of decompressor from leaking in the case where air pressure is too low
Gas.Catalyst container top installation catalysis mechanism is catalyzed in-house urge when exhaust gas, which passes through catalysis mechanism, to be entered inside catalyst container
Agent comes into full contact with exhaust gas, makes the harmful substance fast decoupled in exhaust gas.Collecting mechanism is installed in the bottom end of catalyst container, and exhaust gas exists
The inside sinuous movement of collecting mechanism makes the dust inside exhaust gas precipitate filtering in the bottom end of collecting mechanism, reduces in exhaust gas
Dust protects environment.
The technical solution adopted by the present invention to solve the technical problems is：A kind of large circulating fluidized bed boiler, including branch
Support platform, Blast mechanism, loading hopper, combustion furnace, the mechanism of decompressor, water intake mechanism, exhaust gear, catalysis mechanism, catalyst container, circulation
Mechanism, collecting mechanism, sealing mechanism and heating mechanism；The support countertop is fixedly connected with the combustion furnace and the catalysis
The bottom end of case, the combustion furnace is installed by the Blast mechanism；The side wall of the combustion furnace installs the loading hopper, and the combustion
The heating mechanism is installed in the inside for burning furnace and the catalyst container, and the heating mechanism is connected to the water intake mechanism, the heating
The top of mechanism is connected to the exhaust gear of the burning furnace top surface；The top side wall of the combustion furnace installs the negative booster
The inside of structure, the mechanism of decompressor engages the sealing mechanism；The top side wall of the combustion furnace installs the circulation mechanism, institute
The top for stating circulation mechanism connects the side wall of the catalyst container；The top side wall of the catalyst container installs the catalysis mechanism, institute
The one end for stating catalysis mechanism is connected to the circulation mechanism；The bottom end side wall of the catalyst container installs the collecting mechanism.
Specifically, the mechanism of decompressor includes first connecting rod, the second connecting rod, third connecting rod and connector sleeve, it is described
The top side wall of combustion furnace installs the first connecting rod, and it is funnel shaped described that the first connecting rod, which is connected to inside one end,
Two connecting rods, the spherical third connecting rod of the top installation of second connecting rod, one end peace of the third connecting rod
The connector sleeve is filled, is discharged in order to facilitate gas from the internal motion of the mechanism of decompressor, reduces the pressure of the furnace interior
By force.
Specifically, the sealing mechanism includes that first piston, spring, the second strainer, second piston, support rod and third are living
Plug, the funnel shaped first piston engage inside one end of second connecting rod, and the first piston is closed for convenience
Inside one end of second connecting rod, the support rod is installed in one end of the first piston, and the support rod is through fixation
Second strainer inside second connecting rod, installs the bullet between second strainer and the first piston
Spring, in order to facilitate spring described in first piston motion compresses described in gas push, when gas pressure intensity reduction extends the spring
The support rod decline is resetted, drives the sealing mechanism decline to close the mechanism of decompressor, prevents gas from the decompression
The inside of mechanism is discharged；The side wall of the support rod installs the second piston, second piston engaging second connection
The junction of bar and the third connecting rod, the second piston closes second connecting rod, the support rod for convenience
Top installation cone the third piston, the third piston engages the connector sleeve, in order to make the third piston
The connector sleeve is closed, three kinds of methods close the mechanism of decompressor.
Specifically, the heating mechanism includes multiple heating tubes and multiple communicating pipes, the combustion furnace and the catalyst container
Installation is in the heating tube of array distribution inside top, heats the water inside the heating tube for convenience, makes water rapid steaming
Hair, the bottom end of the adjacent heating tube are connected by the communicating pipe, enter the inside of the heating tube to water for convenience.
Specifically, the water intake mechanism includes multiple water inlet pipes and connecting tube, the side of the combustion furnace and the catalyst container
Wall installs the connecting tube respectively, the water inlet pipe of the side wall installation annular of the connecting tube, described in the water inlet pipe connection
Heating tube rapidly enters the inside of the heating tube in order to facilitate water by the water inlet pipe.
Specifically, the exhaust gear includes the first air inlet pipe, mounting plate, multiple exhaust pipes and the second air inlet pipe, it is described
Second air inlet pipe is installed on the top of water inlet pipe, and second air inlet pipe positioned at the catalyst container passes through first air inlet
Pipe connection is located at the mounting plate of the burning furnace top surface, and multiple exhaust pipes are installed in the top surface of the mounting plate, in order to
Facilitate the steam inside the combustion furnace and the catalyst container to enter the inside of the mounting plate, then is arranged from the exhaust pipe
Out.
Specifically, the Blast mechanism includes blower and blast pipe, the installation wind at the sidewall edge of the supporting table
Machine, the blower are connected to the bottom inner portion of the combustion furnace by the blast pipe, and the blower blows into air for convenience
The inside of the combustion furnace increases the oxygen of the furnace interior.
Specifically, the circulation mechanism includes feed back case, cyclone separator and installing pipe, the top of the cyclone separator
Side wall is connected to the side wall of the combustion furnace, for convenience the cyclone separator by from the exhaust gas that the furnace interior is blown out into
Row separation, makes some fuel inside exhaust gas fall on the inside of the feed back case, and the cyclone separator passes through the feed back case
It is connected to the inner bottom of the combustion furnace, facilitates the feed back case inner fuel to be again introduced into the inside of the combustion furnace, again
Using fuel, the top surface of the cyclone separator is connected to the catalyst container by the installing pipe, facilitates the sky of preliminary purification
Gas discharges into the inside of the catalyst container.
Specifically, the catalysis mechanism includes installs case, feed pipe, multiple flabellums and multiple spray heads, the catalyst container
Side wall installs the installs case, and the inside of the installing pipe is protruded into one end of the feed pipe of the installs case side wall, described
The side wall of feed pipe installs multiple flabellums, and the gas blown out inside the installing pipe for convenience drives the flabellum rotation
Turn, the equally distributed spray head is installed in one end of the flabellum and the feed pipe, makes the spray head in the installing pipe
Internal rotating comes into full contact with the exhaust gas from the spray head catalyst blown out and the installing pipe, makes the nocuousness inside exhaust gas
Substance fast decoupled.
Specifically, the collecting mechanism includes the first strainer, first partition, second partition, fixed plate and collecting box, it is described
The bottom end side wall of catalyst container is connected to the collecting box, in order to enter the gas inside the catalyst container in the collecting box
Portion, the inside top surface of the collecting box are symmetrically installed the first partition, and described is installed between the adjacent first partition
First strainer is installed at two partitions, the top side wall of the second partition and the top edge of the collecting box；Described
Two partitions, which contradict the fixed plate, makes gas to make exhaust gas sinuous movement between the first partition and the second partition
Dust in body falls on the surface of the fixed plate, and the fixed plate is slidably connected with the collecting box, facilitates described in extraction
Fixed plate clears up the dust of the fixed plate surface.
Beneficial effects of the present invention：
(1) inside of a kind of large circulating fluidized bed boiler of the invention, the mechanism of decompressor is installed by closing means, closing means
Three weighing methods block the mechanism of decompressor, prevent mechanism of decompressor gas leakage in the case where air pressure is too low.
(2) a kind of large circulating fluidized bed boiler of the invention, catalyst container top installation catalysis mechanism, is urged when exhaust gas passes through
When change mechanism enters inside catalyst container, it is catalyzed in-house catalyst and is come into full contact with exhaust gas, make the harmful substance in exhaust gas
Fast decoupled.
(3) collecting mechanism is installed in the bottom end of a kind of large circulating fluidized bed boiler of the invention, catalyst container, and exhaust gas is being collected
The inside sinuous movement of mechanism makes the dust inside exhaust gas precipitate filtering in the bottom end of collecting mechanism, reduces the dust in exhaust gas,
Protect environment.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of structural schematic diagram of preferred embodiment of large circulating fluidized bed boiler provided by the invention；
Fig. 2 is mechanism of decompressor schematic diagram of internal structure shown in FIG. 1；
Fig. 3 is furnace interior structural schematic diagram shown in FIG. 1；
Fig. 4 is catalysis mechanism shown in FIG. 1 structural schematic diagram；
Fig. 5 is collecting mechanism internal structure sectional view shown in FIG. 1.
In figure：1, supporting table, 2, Blast mechanism, 21, blower, 22, blast pipe, 3, loading hopper, 4, combustion furnace, 5, decompression
Mechanism, 51, first connecting rod, the 53, second connecting rod, 53, third connecting rod, 54, connector sleeve, 6, water intake mechanism, 61, water inlet
Pipe, 62, connecting tube, 7, exhaust gear, the 71, first air inlet pipe, 72, mounting plate, 73, exhaust pipe, the 74, second air inlet pipe, 8, urge
Change mechanism, 81, installs case, 82, feed pipe, 83, flabellum, 84, spray head, 9, catalyst container, 10, circulation mechanism, 101, feed back case,
102, cyclone separator, 103, installing pipe, 11, collecting mechanism, the 111, first strainer, 112, first partition, 113, second partition,
114, fixed plate, 115, collecting box, 12, sealing mechanism, 121, first piston, 122, spring, the 123, second strainer, 124, second
Piston, 125, support rod, 126, third piston, 13, heating mechanism, 131, heating tube, 132, communicating pipe.
Specific embodiment
In order to realize the present invention technical method, creation characteristic, reach purpose and effect is easy to understand, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figure 1, a kind of large circulating fluidized bed boiler of the present invention, including supporting table 1, Blast mechanism 2, into
Funnel 3, the mechanism of decompressor 5, water intake mechanism 6, exhaust gear 7, catalysis mechanism 8, catalyst container 9, circulation mechanism 10, is received combustion furnace 4
Collecting mechanism 11, sealing mechanism 12 and heating mechanism 13；1 top surface of supporting table is fixedly connected with the combustion furnace 4 and the catalysis
The bottom end of case 9, the combustion furnace 4 is installed by the Blast mechanism 2；The side wall of the combustion furnace 4 installs the loading hopper 3, and
The heating mechanism 13 is installed in the inside of the combustion furnace 4 and the catalyst container 9, and the heating mechanism 13 is connected to the water inlet machine
Structure 6, the top of the heating mechanism 13 are connected to the exhaust gear 7 of 4 top surface of combustion furnace；The top of the combustion furnace 4
Side wall installs the mechanism of decompressor 5, and the inside of the mechanism of decompressor 5 engages the sealing mechanism 12；The top of the combustion furnace 4
Side wall installs the circulation mechanism 10, and the top of the circulation mechanism 10 connects the side wall of the catalyst container 9；The catalyst container 9
Top side wall the catalysis mechanism 8, one end connection circulation mechanism 10 of the catalysis mechanism 8 are installed；The catalyst container 9
Bottom end side wall the collecting mechanism 11 is installed.
Specifically, as depicted in figs. 1 and 2, a kind of large circulating fluidized bed boiler of the present invention, the mechanism of decompressor
5 include first connecting rod 51, the second connecting rod 52, third connecting rod 53 and connector sleeve 54, and the top side wall of the combustion furnace 4 is pacified
The first connecting rod 51 is filled, it is funnel shaped second connecting rod 52, institute inside one end that the first connecting rod 51, which is connected to,
The spherical third connecting rod 53 of the top installation of the second connecting rod 52 is stated, described in one end installation of the third connecting rod 53
Connector sleeve 54 is discharged from the internal motion of the mechanism of decompressor 5 in order to facilitate gas, reduces the pressure inside the combustion furnace 4.
Specifically, as shown in Fig. 2, a kind of large circulating fluidized bed boiler of the present invention, the sealing mechanism 12 wrap
First piston 121, spring 122, the second strainer 123, second piston 124, support rod 125 and third piston 126 are included, it is funnel shaped
The first piston 121 engages inside one end of second connecting rod 52, and the first piston 121 is closed described for convenience
Inside one end of second connecting rod 52, the support rod 125 is installed in one end of the first piston 121, and the support rod 125 passes through
Fasten second strainer 123 inside second connecting rod 52, second strainer 123 and the first piston
The spring 122 is installed between 121, in order to facilitate spring 122 described in 121 motion compresses of first piston described in gas push, when
Gas pressure intensity reduction makes the elongation of spring 122 reset the decline of support rod 125, drives the decline of sealing mechanism 12 envelope
The mechanism of decompressor 5 is closed, gas is prevented to be discharged from the inside of the mechanism of decompressor 5；Described in the side wall installation of the support rod 125
Second piston 124, the second piston 124 engage the junction of second connecting rod 52 and second connecting rod 52, are
Second piston 124 described in convenience closes second connecting rod 52, the top installation cone of the support rod 125 it is described
Third piston 126, the third piston 126 engage the connector sleeve 54, in order to make the third piston 126 close the connection
Set 54, three kinds of methods close the mechanism of decompressor 4.
Specifically, as shown in figures 1 and 3, a kind of large circulating fluidized bed boiler of the present invention, the heating mechanism
13 include multiple heating tubes 131 and multiple communicating pipes 132, and installation is in array inside the combustion furnace 4 and 9 top of the catalyst container
The heating tube 131 of distribution, heats the water inside the heating tube 131 for convenience, makes water rapid evaporation, adjacent is described
The bottom end of heating tube 131 is connected by the communicating pipe 132, enters the inside of the heating tube 131 to water for convenience.
Specifically, as shown in Figure 1, a kind of large circulating fluidized bed boiler of the present invention, the water intake mechanism 6 include
The side wall of multiple water inlet pipes 61 and connecting tube 62, the combustion furnace 4 and the catalyst container 9 installs the connecting tube 62, institute respectively
The water inlet pipe 61 of the side wall installation annular of connecting tube 62 is stated, the water inlet pipe 61 is connected to the heating tube 131, for convenience
Water rapidly enters the inside of the heating tube 131 by the water inlet pipe 61.
Specifically, as shown in figures 1 and 3, a kind of large circulating fluidized bed boiler of the present invention, the exhaust gear
7 include the first air inlet pipe 71, mounting plate 72, multiple exhaust pipes 73 and the second air inlet pipe 74, and the top of the water inlet pipe 61 is installed
Second air inlet pipe 74, second air inlet pipe 74 positioned at the catalyst container 9 are connected to position by first air inlet pipe 71
Multiple exhaust pipes 73 are installed in the top surface of the mounting plate 72 in 4 top surface of combustion furnace, the mounting plate 73, for side
The steam that toilet states inside combustion furnace 4 and the catalyst container 9 enters the inside of the mounting plate 72, then from the exhaust pipe 73
Middle discharge.
Specifically, as shown in Figure 1, a kind of large circulating fluidized bed boiler of the present invention, the Blast mechanism 2 include
Blower 21 and blast pipe 22, the installation blower 21 at the sidewall edge of the supporting table 1, the blower 21 pass through the air inlet
Pipe 22 is connected to the bottom inner portion of the combustion furnace 4, and air is blown into the inside of the combustion furnace 4 by the blower 21 for convenience,
Increase the oxygen inside the combustion furnace 4.
Specifically, as shown in Figure 1, a kind of large circulating fluidized bed boiler of the present invention, the circulation mechanism 10 wrap
Feed back case 101, cyclone separator 102 and installing pipe 103 are included, the top side wall of the cyclone separator 102 is connected to the burning
The side wall of furnace 4, the cyclone separator 102 separates the exhaust gas blown out inside the combustion furnace 4 for convenience, makes to give up
Some fuel inside gas fall on the inside of the feed back case 101, and the cyclone separator 102 is connected by the feed back case 101
The inner bottom for leading to the combustion furnace 4 facilitates 101 inner fuel of feed back case to be again introduced into the inside of the combustion furnace 4, then
Secondary to utilize fuel, the top surface of the cyclone separator 102 is connected to the catalyst container 9 by the installing pipe 103, and facilitating will be preliminary
The air of purification discharges into the inside of the catalyst container 9.
Specifically, as shown in Figure 1 and Figure 4, a kind of large circulating fluidized bed boiler of the present invention, the catalysis mechanism
8 include installs case 81, feed pipe 82, multiple flabellums 83 and multiple spray heads 84, and the side wall of the catalyst container 9 installs the installs case
81, the inside of the installing pipe 103 is protruded into one end of the feed pipe 82 of 81 side wall of installs case, the feed pipe 82
Side wall installs multiple flabellums 83, and the gas blown out inside the installing pipe 103 for convenience drives the flabellum 83 to revolve
Turn, the equally distributed spray head 84 is installed in one end of the flabellum 83 and the feed pipe 82, makes the spray head 84 described
The internal rotating of installing pipe 103 comes into full contact with the exhaust gas from the spray head 84 catalyst blown out and the installing pipe 103,
Make the harmful substance fast decoupled inside exhaust gas.
Specifically, as shown in Figure 1 and Figure 5, a kind of large circulating fluidized bed boiler of the present invention, the collecting mechanism
11 include the first strainer 111, first partition 112, second partition 113, fixed plate 114 and collecting box 115, the catalyst container 9
Bottom end side wall is connected to the collecting box 115, in order to make the gas inside the catalyst container 9 enter the inside of the collecting box 115,
The inside top surface of the collecting box 115 is symmetrically installed the first partition 112, installs between the adjacent first partition 112
At the second partition 113, the top side wall of the second partition 113 and the top edge of the collecting box 115 described in installation
First strainer 111；The second partition 112 contradicts the fixed plate 114, in order to make exhaust gas in the first partition 112 and institute
Sinuous movement between second partition 113 is stated, the dust in gas is made to fall on the surface of the fixed plate 114, and the fixed plate
114 are slidably connected with the collecting box 115, facilitate the extraction fixed plate 114, clear up the dust on 114 surface of fixed plate.
The present apparatus is accessed into power supply, connecting tube 62 is connected into water source, water enters the inside of water inlet pipe 61 by connecting tube 62,
In the inside for entering heating tube 131 by water inlet pipe 61, heating tube 131 is interconnected by communicating pipe 132, makes heating tube 131
Inner filling water, open blower 21, wind-force 21, which enters air by blast pipe 22, blows into the inside of combustion furnace 4.
(1) suitable fluidized beds combustion is added to the inside of combustion furnace 4 by loading hopper 3, lights fuel, fluidized bed combustion
Expect the internal-combustion in combustion furnace 4, blower 21 is blown into air to combustion furnace 4, and fast fluidized bed fuel combustion speed makes combustion furnace
131 water temperature inside of heating tube inside 4 increases, and makes the water rapid evaporation inside heating tube 131, the water of evaporation enters through second
Air inlet pipe 74 enters the inside of mounting plate 72, then is discharged from the exhaust pipe 73 on 72 top of mounting plate.
(2) fluidized beds combustion generates a large amount of exhaust gas in 4 internal-combustion of combustion furnace, and exhaust gas enters cyclone separator 102
Inside, exhaust gas in 102 inner rotation of cyclone separator, exhaust gas some fuel precipitating enter feed back case 101 inside, then
The inside of the secondary entrance of feed back case 101 combustion furnace 4, utilizes fuel again, and the air tentatively evolved is urged by the entrance of installing pipe 103
Change the inside of case 9.
(3) for exhaust gas in the internal motion of installing pipe 103, exhaust gas blows the rotation of the flabellum 83 inside installing pipe 103,
Flabellum 83 drives the feed pipe 82 of a part in the inner rotation of installing pipe 103, the catalyst inside installs case 81 enter into
One end of expects pipe 82, feed pipe 82 and flabellum 83 rotate, and catalyst is sprayed from the spray head 84 of 83 side wall of feed pipe 82 and flabellum,
Catalyst is rotated into the exhaust gas inside installing pipe 103, and catalyst comes into full contact with the harmful substance in exhaust gas, makes exhaust gas
It is sufficiently decomposed in the inside of catalyst container 9.
(4) exhaust gas enters the inside of catalyst container 9, and exhaust gas is contacted with the heating tube 131 inside catalyst container 9, inside exhaust gas
Waste heat make the water evaporation inside heating tube 131, the vapor inside catalyst container 9 by the first air inlet pipe 71 enter mounting plate 72
Inside, make full use of the waste heat inside exhaust gas.Exhaust gas enters back into the receipts of 9 bottom end of catalyst container in the internal breakup of catalyst container 9
The inside of header 115, exhaust gas are stopped by first partition 112, and exhaust gas is made to enter second partition from the bottom end of first partition 112
113, exhaust gas is blown out from first strainer 111 on 113 top of second partition again, and the first strainer 11 filters the dust in exhaust gas, is made
Dust is fallen into the fixed plate 114 of 115 bottom end of collecting box, and exhaust gas is bent between first partition 113 and second partition 113 and wears
It crosses, falls into dust on the top surface of fixed plate 114, the gas finally filtered passes through the first strainer 111 of 115 top surface of collecting box
It is discharged into air.When clearing up 115 internal dust of collecting box, fixed plate 114 is extracted out, the dust cleared up inside collecting box 115 is
It can.
(5) during using combustion furnace 4,4 internal pressure of combustion furnace increases, when 4 internal pressure of combustion furnace increases,
Gas enters the inside of first connecting rod 51, pushes and is located at the funnel shaped rising of first piston 121 in 52 one end of the second connecting rod, the
One piston 121, which rises, to be opened the second connecting rod 52 while increase support rod 125, and first piston 121 and the second strainer 123 are compressed
Between spring, support rod 125, which rises, drives second piston 124 to enter spherical third connecting rod 53 from the second connecting rod 52
Inside, opens the top of the second connecting rod 52, while support rod 125 drives third piston 126 to rise to open connector sleeve 54, make the
Gas inside one connecting rod 51 passes through the second connecting rod 52, the second strainer 123, third connecting rod 53 and connector sleeve 54 and is discharged,
Reduce the pressure inside combustion furnace 4；After pressure pressure inside combustion furnace 4 reduces, the elongation of spring 122 makes under support rod 125
Drop drives the bottom end of decline the second connecting rod 52 of closing of first piston 121, decline the second connecting rod 52 of closing of second piston 124
Top, third piston 126 decline closing connector sleeve 54, three weighing methods close the mechanism of decompressor 5, prevent inside combustion furnace 4
5 gas leakage of the mechanism of decompressor in the lower situation of pressure.
Closing means 12 are installed in the inside of the mechanism of decompressor 5 of the invention, and 12 3 weighing method of closing means blocks the mechanism of decompressor
5, prevent the gas leakage in the case where air pressure is too low of the mechanism of decompressor 5.9 top of catalyst container installation catalysis mechanism 8, when exhaust gas passes through catalysis
When mechanism 8 enters 9 inside of catalyst container, it is catalyzed the catalyst inside mechanism 8 and is come into full contact with exhaust gas, make the harmful substance in exhaust gas
Fast decoupled.Collecting mechanism 11 is installed in the bottom end of catalyst container 9, and exhaust gas makes in exhaust gas in the inside sinuous movement of collecting mechanism 11
The dust precipitating filtering in portion reduces the dust in exhaust gas, protects environment in the bottom end of collecting mechanism 11.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (10)
1. a kind of large circulating fluidized bed boiler, it is characterised in that：Including supporting table (1), Blast mechanism (2), loading hopper
(3), combustion furnace (4), the mechanism of decompressor (5), water intake mechanism (6), exhaust gear (7), catalysis mechanism (8), catalyst container (9), circulation
Mechanism (10), collecting mechanism (11), sealing mechanism (12) and heating mechanism (13)；Supporting table (1) top surface is fixedly connected with institute
Combustion furnace (4) and the catalyst container (9) are stated, the Blast mechanism (2) is installed in the bottom end of the combustion furnace (4)；The combustion furnace
(4) side wall installs the loading hopper (3), and the heating is installed in the inside of the combustion furnace (4) and the catalyst container (9)
Mechanism (13), the heating mechanism (13) are connected to the water intake mechanism (6), and the top of the heating mechanism (13) is connected to the combustion
Burn the exhaust gear (7) of furnace (4) top surface；The top side wall of the combustion furnace (4) installs the mechanism of decompressor (5), described
The inside of the mechanism of decompressor (5) engages the sealing mechanism (12)；The top side wall of the combustion furnace (4) installs the circulation mechanism
(10), the top of the circulation mechanism (10) connects the side wall of the catalyst container (9)；The top side wall of the catalyst container (9) is pacified
The catalysis mechanism (8) is filled, one end of catalysis mechanism (8) is connected to the circulation mechanism (10)；The bottom of the catalyst container (9)
End side wall installs the collecting mechanism (11).
2. a kind of large circulating fluidized bed boiler according to claim 1, it is characterised in that：The mechanism of decompressor (5) packet
Include first connecting rod (51), the second connecting rod (52), third connecting rod (53) and connector sleeve (54), the top of the combustion furnace (4)
End side wall installs the first connecting rod (51), and first connecting rod (51) connection is funnel shaped described second inside one end
Connecting rod (52), the spherical third connecting rod (53) of the top installation of second connecting rod (52), the third connection
One end of bar (53) is installed by the connector sleeve (54).
3. a kind of large circulating fluidized bed boiler according to claim 2, it is characterised in that：Sealing mechanism (12) packet
Include first piston (121), spring (122), the second strainer (123), second piston (124), support rod (125) and third piston
(126), the funnel shaped first piston (121) engages inside one end of second connecting rod (52), the first piston
(121) support rod (125) is installed in one end, and the support rod (125) is interior through second connecting rod (52) is fixed on
Second strainer (123) in portion, installs the spring between second strainer (123) and the first piston (121)
(122)；The side wall of the support rod (125) installs the second piston (124), second piston (124) engaging described the
The junction of two connecting rods (52) and the third connecting rod (53), the institute of the top installation cone of the support rod (125)
It states third piston (126), the third piston (126) engages the connector sleeve (54).
4. a kind of large circulating fluidized bed boiler according to claim 1, it is characterised in that：Heating mechanism (13) packet
Multiple heating tubes (131) and multiple communicating pipes (132) are included, the combustion furnace (4) and the installation of the catalyst container (9) top inside are in
The bottom end of the heating tube (131) of array distribution, the adjacent heating tube (131) is connected by the communicating pipe (132).
5. a kind of large circulating fluidized bed boiler according to claim 4, it is characterised in that：Water intake mechanism (6) packet
Include multiple water inlet pipes (61) and connecting tube (62), the side wall of the combustion furnace (4) and the catalyst container (9) installs the company respectively
It takes over (62), the water inlet pipe (61) of the side wall installation annular of the connecting tube (62), described in water inlet pipe (61) connection
Heating tube (131).
6. a kind of large circulating fluidized bed boiler according to claim 4, it is characterised in that：Exhaust gear (7) packet
Include the first air inlet pipe (71), mounting plate (72), multiple exhaust pipes (73) and the second air inlet pipe (74), the top of the water inlet pipe (61)
Second air inlet pipe (74) is installed at end, be located at second air inlet pipe (74) of the catalyst container (9) by described first into
Tracheae (71) connection is located at the mounting plate (72) of the combustion furnace (4) top surface, and the top surface installation of the mounting plate (73) is more
A exhaust pipe (73).
7. a kind of large circulating fluidized bed boiler according to claim 1, it is characterised in that：Blast mechanism (2) packet
Blower (21) and blast pipe (22) are included, the installation blower (21), the blower (21) at the sidewall edge of the supporting table (1)
The bottom inner portion of the combustion furnace (4) is connected to by the blast pipe (22).
8. a kind of large circulating fluidized bed boiler according to claim 1, it is characterised in that：Circulation mechanism (10) packet
Include feed back case (101), cyclone separator (102) and installing pipe (103), the top side wall connection of the cyclone separator (102)
The side wall of the combustion furnace (4), the cyclone separator (102) are connected to the combustion furnace (4) by the feed back case (101)
The top surface of inner bottom, the cyclone separator (102) is connected to the catalyst container (9) by the installing pipe (103).
9. a kind of large circulating fluidized bed boiler according to claim 8, it is characterised in that：Catalysis mechanism (8) packet
Installs case (81), feed pipe (82), multiple flabellums (83) and multiple spray heads (84) are included, the side wall of the catalyst container (9) installs institute
It states installs case (81), the interior of the installing pipe (103) is protruded into one end of the feed pipe (82) of installs case (81) side wall
The one of portion, the multiple flabellums (83) of side wall installation of the feed pipe (82), the flabellum (83) and the feed pipe (82)
End is installed by the equally distributed spray head (84).
10. a kind of large circulating fluidized bed boiler according to claim 1, it is characterised in that：The collecting mechanism (11)
It is described to urge including the first strainer (111), first partition (112), second partition (113), fixed plate (114) and collecting box (115)
The bottom end side wall for changing case (9) is connected to the collecting box (115), and the inside top surface of the collecting box (115) is symmetrically installed described the
One partition (112) installs the second partition (113), the second partition between the adjacent first partition (112)
(113) first strainer (111) is installed at the top edge of top side wall and the collecting box (115)；Described second every
Plate (112) contradicts the fixed plate (114), and the fixed plate (114) is slidably connected with the collecting box (115).
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| CN201810534179.7A CN108895441B (en) | 2018-05-29 | 2018-05-29 | A kind of large circulating fluidized bed boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810534179.7A CN108895441B (en) | 2018-05-29 | 2018-05-29 | A kind of large circulating fluidized bed boiler |
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| CN108895441A true CN108895441A (en) | 2018-11-27 |
| CN108895441B CN108895441B (en) | 2019-10-18 |
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| JPH0989213A (en) * | 1995-09-22 | 1997-04-04 | Hitachi Ltd | Non-catalitic denitration device for fluidized bed boiler device |
| JP2009108726A (en) * | 2007-10-29 | 2009-05-21 | Mitsubishi Heavy Ind Ltd | Exhaust emission control device |
| CN201748003U (en) * | 2010-07-30 | 2011-02-16 | 陈喜春 | Boiler coal gas safety explosion-proof valve |
| CN204320005U (en) * | 2014-11-11 | 2015-05-13 | 山东国润精细化工有限公司 | A kind of tar removing pipeline |
| CN108019740A (en) * | 2017-11-20 | 2018-05-11 | 徐州工程学院 | A kind of biomass fuel boiler device and its method of work |
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2018
- 2018-05-29 CN CN201810534179.7A patent/CN108895441B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0989213A (en) * | 1995-09-22 | 1997-04-04 | Hitachi Ltd | Non-catalitic denitration device for fluidized bed boiler device |
| JP2009108726A (en) * | 2007-10-29 | 2009-05-21 | Mitsubishi Heavy Ind Ltd | Exhaust emission control device |
| CN201748003U (en) * | 2010-07-30 | 2011-02-16 | 陈喜春 | Boiler coal gas safety explosion-proof valve |
| CN204320005U (en) * | 2014-11-11 | 2015-05-13 | 山东国润精细化工有限公司 | A kind of tar removing pipeline |
| CN108019740A (en) * | 2017-11-20 | 2018-05-11 | 徐州工程学院 | A kind of biomass fuel boiler device and its method of work |
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| Publication number | Publication date |
|---|---|
| CN108895441B (en) | 2019-10-18 |
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Denomination of invention: A large circulating fluidized bed boiler Effective date of registration: 20231010 Granted publication date: 20191018 Pledgee: Zhejiang Shaoxing Ruifeng Rural Commercial Bank Co.,Ltd. Lanting Sub branch Pledgor: Shaoxing Qingrong knitwear Co.,Ltd. Registration number: Y2023980060311 |
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