CN207829959U - A kind of fire coal thermal power generation system - Google Patents
A kind of fire coal thermal power generation system Download PDFInfo
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- CN207829959U CN207829959U CN201820126423.1U CN201820126423U CN207829959U CN 207829959 U CN207829959 U CN 207829959U CN 201820126423 U CN201820126423 U CN 201820126423U CN 207829959 U CN207829959 U CN 207829959U
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- pulverizing chamber
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Abstract
The utility model is related to field of thermal power, more particularly to a kind of coal-fired thermal power generation system, including boiler, coal treatment system, steam turbine, condenser system and smoke processing system, coal treatment system includes coal scuttle, coal conveying device and coal grinding device, coal conveying device includes upper layer conveyer belt and conveying belt of lower floor, and being evenly distributed on the conveyer belt of upper layer can be to through-hole that coal dust is filtered；Coal grinding device includes upper layer pulverizing chamber and lower layer's pulverizing chamber, and upper layer pulverizing chamber import is connect with the discharge end of upper layer conveyer belt, and the import of lower layer's pulverizing chamber and the discharge end of conveying belt of lower floor connect；The discharge port of upper layer pulverizing chamber and lower layer's pulverizing chamber is connect with sieves, and the combustion chamber import for filtering sieve outlet and boiler connects.The thermal power generation system can crush coal uniformly, and more preferably, fume treatment effect is good for crushing effect, discharge after fume treatment is up to standard, avoid pollution environment, highly practical.
Description
Technical field
The utility model is related to field of thermal power more particularly to a kind of coal-fired thermal power generation systems.
Background technology
Thermal power generation is the thermal energy generated in burning using combustible, and the one of electric energy is converted by generation power device
Kind generation mode.The rich coal resources of China, thermal power generation still have great potential.However, existing fire coal thermal power generation system
System has the following defects：1, coal utilizaton rate is not high in existing coal-fired thermal power generation system, is crushed before coal burning not thorough
Bottom, crushing effect is poor, and efficiency is low, and crushing process is also easy to produce coal dust and causes working environment poor, not only influences each equipment
Normal use can also influence the health of employee, and coal crushing effect is poor in addition, when being heated to boiler, the big coal of particle
Charcoal and the small coal burning degree of particle differ, and are easy containing the halfway bulky grain coal that burns, to make coal in cinder
Utilization rate it is not high, and cause energy waste；2, fume treatment effect is poor in existing coal thermal power generation system, is discharged into sky
Flue gas in gas contains more harmful substance, causes smoke pollution serious, seriously affects environment and health, in addition, discharge
It is more containing dust particles in flue gas, there is larger impact to the respiratory system of people, pollutes serious.
Utility model content
The purpose of the utility model is to overcome coal-fired thermal power generation system coal crushing effects existing in the prior art
Difference, the defects of fume treatment is ineffective, and a kind of coal-fired thermal power generation system is provided, which can be by coal
It crushes uniformly, is crushed respectively according to the particle degree of coal, make crushing effect more preferably, improve coal burning utilization rate, dust is received
Collection effect is good, and fume treatment effect is good, discharge after fume treatment is up to standard, avoids pollution environment, highly practical.
What the technical solution of the utility model was realized in：A kind of fire coal thermal power generation system, including at boiler, coal
Reason system, steam turbine, condenser system and smoke processing system, the coal treatment system include coal scuttle, coal conveying device
With coal grinding device, the coal conveying device includes upper layer conveyer belt and conveying belt of lower floor, on the upper layer conveyer belt
Even be distributed with can be to through-hole that coal dust is filtered；The coal grinding device includes that upper layer pulverizing chamber and lower layer crush
Room, the upper layer pulverizing chamber import are connect with the discharge end of upper layer conveyer belt, and import and the lower layer of lower layer's pulverizing chamber convey
The discharge end of band connects；The discharge port of the upper layer pulverizing chamber and lower layer's pulverizing chamber is connect with sieves, and the filtering is sifted out
Mouth is connect with the combustion chamber import of boiler；
The combustion chamber lower end of the boiler is provided with slag notch, and the slag notch is connect by auger of slagging tap with storage slag chute,
The combustion chamber of the boiler is connect with smoke processing system；
The smoke processing system includes dust-extraction unit, wind turbine, desulfurizer and smoke discharging device, the dust-extraction unit
Inside it is provided with filter cotton layer and active carbon layer, the outlet of the dust-extraction unit and the inlet communication of wind turbine, the outlet of the wind turbine
It is connect with the import of desulfurizer, the outlet of the desulfurizer is connect with air-introduced machine, the air-introduced machine and smoke discharging device
Connection.
Preferably, the upper layer conveyer belt is driven by the drive shaft positioned at upper layer carriage both ends, the upper layer
Conveyer belt is annular, and upper layer carriage lower end is provided with vertical scraper plate, and the lower end of the scraper plate is interior with upper layer conveyer belt
Side is in contact.
Preferably, the scraper plate is two, and two scraper plates are separately positioned on the inside of drive shaft.
Preferably, it is provided with vibrating motor on the scraper plate.
Preferably, it is provided with partition board between the upper layer pulverizing chamber and lower layer's pulverizing chamber, filtering is provided on the partition board
Net.
Preferably, on the filter screen filter hole radius be less than upper layer conveyer belt through-hole radius.
Preferably, the side wall of the upper layer pulverizing chamber and lower layer's pulverizing chamber is connect by air-introduced machine with dirt pocket, described to remove
The lower end of dirt room is connect with combustion chamber.
Preferably, the shell of the sieves is closing shell, and the side wall of the shell is also by air-introduced machine and dirt pocket
Connection.
Preferably, the mesh number of the sieves is more than the mesh number of filter screen.
Preferably, the boiler is connect with steam turbine, and the exhaust outlet of the steam turbine is connect with condenser system.
The utility model has the advantages that：The utility model discloses a kind of coal-fired thermal power generation system, the hairs
The coal conveying device and coal grinding device structure novel of electric system, reasonable design, by the double-deck conveyer belt by bulk coal
It is detached with coal particles, and is delivered to different pulverizing chambers respectively, so that coal is crushed better, the coal particles after crushing are more
Good uniform, efficiency of fire coal higher avoids fire coal is uneven from causing energy waste.In addition the electricity generation system good dedusting effect, coal
Grinding device and boiler furnace are both provided with dust-extraction unit, reduce coal dust, it is ensured that working environment is good, electricity generation system
Fume treatment is more perfect, keeps the flue gas of discharge up to standard, reduces environmental pollution.
Description of the drawings
Fig. 1 is the overall structure figure of the utility model.
Fig. 2 is the coal conveying device front view of the utility model.
Fig. 3 is the vertical view of the upper layer conveyer belt of the utility model.
Fig. 4 is that the utility model is slagged tap auger enlarged drawing.
Fig. 5 is the schematic enlarged-scale view of the utility model smoke processing system.
In figure：1- boilers, 2- steam turbines, 3- coal scuttles, 4- coal conveying devices, the upper layers 5- pulverizing chamber, the conveying of the upper layers 6-
Band, 7- conveying belt of lower floor, 8- through-holes, 9- scraper plates, 10- vibrating motors, 11- lower layers pulverizing chamber, 12- partition boards, 13- filter screens, 14-
Sieves, 15- dirt pockets, 16- slag notches, 17- slag tap auger, 18- dust-extraction units, 19- wind turbines, 20- desulfurizers, 21- cigarettes
Gas tapping equipment, 22- filter pulp layers, 23- active carbon layers.
Specific implementation mode
The embodiment of the utility model is illustrated below in conjunction with the accompanying drawings.
Embodiment 1：A kind of fire coal thermal power generation system, as shown in Figs. 1-3, including boiler 1, coal treatment system, steam
Turbine 2, condenser system and smoke processing system, coal treatment system include that coal scuttle 3, coal conveying device 4 and coal crush dress
It sets, coal conveying device 4 includes upper layer conveyer belt 6 and conveying belt of lower floor 7, and being evenly distributed on upper layer conveyer belt 6 can be to coal
The through-hole 8 that carbon powder is filtered, smaller coal particles are fallen by through-hole 8 on upper layer conveyer belt 6, upper layer conveyer belt 6
It is driven by the drive shaft positioned at upper layer carriage both ends, upper layer conveyer belt 6 is annular, and upper layer carriage lower end is provided with
Vertical scraper plate 9, the lower end of scraper plate 9 are in contact with the medial surface of upper layer conveyer belt 6, after the small coal of particle is fallen, there is one
Part can fall into the medial surface of the lower part of cycloconveyor belt, and scraper plate 9 contacts with conveyer belt lower end inside face, makes to fall into conveyer belt
The coal of side concentrates between two scraper plates 9, avoids coal from being bonded with drive shaft, influences the normal operation of upper layer conveyer belt 6.
Scraper plate 9 is two, and two scraper plates 9 are separately positioned on the inside of drive shaft.It is provided with vibrating motor 10 on scraper plate 9, keeps coal fast
Speed is fallen from upper layer conveyer belt 6, and to make the small a coal of particle be detached with bulky grain, bulky grain coal is conveyed by upper layer
Band 6 conveys, and little particle coal falls on from upper layer conveyer belt 6 on the conveying belt of lower floor 7 of lower end, and by conveying belt of lower floor 7 into
Row conveying.
Coal grinding device includes upper layer pulverizing chamber 5 and lower layer's pulverizing chamber 11, upper layer pulverizing chamber 5 and lower layer's pulverizing chamber 11 it
Between be provided with partition board 12, be provided with filter screen 13 on partition board 12, the radius of filter hole is less than upper layer conveyer belt 6 on filter screen 13
8 radius of through-hole, the coal particles that filter screen 13 filters are more tiny, and the tiny coal particles after being crushed in upper layer pulverizing chamber 5 are fallen into
In lower layer's pulverizing chamber 11.Pulverizing chamber 5 import in upper layer is connect with the discharge end of upper layer conveyer belt 6, the import of lower layer's pulverizing chamber 11 with
The discharge end of conveying belt of lower floor 7 connects, i.e., the coal particles crushed in upper layer pulverizing chamber 5 are bulk, and lower layer's pulverizing chamber 11 crushes
Coal be little particle, according to the size fractionation of coal crush, make crushing effect more preferably；Upper layer pulverizing chamber 5 and lower layer's pulverizing chamber
11 discharge port is connect with sieves 14, and the outlet of sieves 14 is connect with the combustion chamber import of boiler 1, the mesh number of sieves 14
More than the mesh number of filter screen 13, make more tiny coal particles that can be filtered by sieves 14, it is ensured that burning is indoor
Coal particles fine uniform, burning degree is high, and high efficiency of burning avoids energy waste；The shell of sieves 14 is closing shell
The side wall of body, shell is connect also by air-introduced machine with dirt pocket 15, and the side wall of upper layer pulverizing chamber 5 and lower layer's pulverizing chamber 11 is by drawing
Wind turbine is connect with dirt pocket 15, keeps the coal dust in dust, upper layer pulverizing chamber 5 and the lower layer's pulverizing chamber 11 in sieves 14 equal
Entered in dirt pocket 15 by air-introduced machine, reduce air in coal dust, keep working environment it is preferable, the lower end of dirt pocket 15 with
Combustion chamber connects, and so that the dust collected in dirt pocket 15 is again introduced into combustion chamber and burns, economical environment-protective.
As shown in Figure 1 and Figure 4, the combustion chamber lower end of boiler 1 is provided with slag notch 16, and slag notch 16 passes through auger 17 of slagging tap
It being connect with storage slag chute, helical blade is provided in auger 17 of slagging tap, the edge of helical blade is provided with equally distributed teeth,
So that cinder is further crushed in tapping process, cinder is handled convenient for the later stage.The combustion chamber of boiler 1 and fume treatment
System connects；
As shown in figure 5, smoke processing system includes dust-extraction unit 18, wind turbine 19, desulfurizer 20 and smoke discharging device
21, filter cotton layer 22 and active carbon layer 23 are provided in dust-extraction unit 18, make particle in flue gas and smell in dust-extraction unit 18
It is inside adsorbed, the inlet communication of the outlet and wind turbine 19 of dust-extraction unit 18, the import of the outlet and desulfurizer 20 of wind turbine 19
Connection, the outlet of desulfurizer 20 are connect with air-introduced machine, and air-introduced machine is connect with smoke discharging device 21.Flue gas after dedusting passes through
Wind turbine 19 enters desulfurizer 20 and removes the sulphur-containing substance in flue gas, enters flue gas after flue gas after desulfurization is qualified after testing
Tapping equipment 21 is discharged.
Coal enters the combustion chamber of 1 lower end of boiler by coal grinding device, is heated to the water in boiler 1, boiler 1
Become high-temperature vapor after interior water is heated, high-temperature vapor is generated electricity by steam turbine 2, and each equipment needs to condense
Shi Jun carries out condensation cooling by condenser system, it is ensured that electricity generation system normal operation is driven.
Claims (10)
1. a kind of fire coal thermal power generation system, including boiler, coal treatment system, steam turbine, condenser system and fume treatment
System, it is characterised in that：The coal treatment system includes coal scuttle, coal conveying device and coal grinding device, the coal
Conveying device includes upper layer conveyer belt and conveying belt of lower floor, be evenly distributed on the upper layer conveyer belt can to coal dust into
The through-hole of row filtering；The coal grinding device includes upper layer pulverizing chamber and lower layer's pulverizing chamber, the upper layer pulverizing chamber import with
The discharge end of upper layer conveyer belt connects, and the import of lower layer's pulverizing chamber and the discharge end of conveying belt of lower floor connect；The upper layer
The discharge port of pulverizing chamber and lower layer's pulverizing chamber is connect with sieves, and the combustion chamber import of the filtering sieve outlet and boiler connects
It connects；
The combustion chamber lower end of the boiler is provided with slag notch, and the slag notch is connect by auger of slagging tap with storage slag chute, described
The combustion chamber of boiler is connect with smoke processing system；
The smoke processing system includes dust-extraction unit, wind turbine, desulfurizer and smoke discharging device, is set in the dust-extraction unit
Be equipped with filter cotton layer and active carbon layer, the outlet of the dust-extraction unit and the inlet communication of wind turbine, the outlet of the wind turbine with it is de-
The import of sulphur device connects, and the outlet of the desulfurizer is connect with air-introduced machine, and the air-introduced machine is connect with smoke discharging device.
2. a kind of coal-fired thermal power generation system according to claim 1, it is characterised in that：The upper layer conveyer belt passes through position
Drive shaft in upper layer carriage both ends is driven, and the upper layer conveyer belt is annular, the setting of upper layer carriage lower end
There are vertical scraper plate, the lower end of the scraper plate to be in contact with the medial surface of upper layer conveyer belt.
3. a kind of coal-fired thermal power generation system according to claim 2, it is characterised in that：The scraper plate is two, two
Scraper plate is separately positioned on the inside of drive shaft.
4. a kind of coal-fired thermal power generation system according to claim 3, it is characterised in that：Vibration is provided on the scraper plate
Motor.
5. a kind of coal-fired thermal power generation system according to claim 1, it is characterised in that：The upper layer pulverizing chamber and lower layer
It is provided with partition board between pulverizing chamber, filter screen is provided on the partition board.
6. a kind of coal-fired thermal power generation system according to claim 5, it is characterised in that：Filter hole on the filter screen
Radius is less than the through-hole radius of upper layer conveyer belt.
7. a kind of coal-fired thermal power generation system according to claim 5, it is characterised in that：The upper layer pulverizing chamber and lower layer
The side wall of pulverizing chamber is connect by air-introduced machine with dirt pocket, and the lower end of the dirt pocket is connect with combustion chamber.
8. a kind of coal-fired thermal power generation system according to claim 7, it is characterised in that：The shell of the sieves is envelope
The side wall of closed shell body, the shell is connect also by air-introduced machine with dirt pocket.
9. a kind of coal-fired thermal power generation system according to claim 8, it is characterised in that：The mesh number of the sieves is more than
The mesh number of filter screen.
10. a kind of coal-fired thermal power generation system according to claim 1, it is characterised in that：The boiler and steam turbine
Connection, the exhaust outlet of the steam turbine are connect with condenser system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820126423.1U CN207829959U (en) | 2018-01-25 | 2018-01-25 | A kind of fire coal thermal power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820126423.1U CN207829959U (en) | 2018-01-25 | 2018-01-25 | A kind of fire coal thermal power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207829959U true CN207829959U (en) | 2018-09-07 |
Family
ID=63394605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820126423.1U Expired - Fee Related CN207829959U (en) | 2018-01-25 | 2018-01-25 | A kind of fire coal thermal power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207829959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216121A (en) * | 2021-12-16 | 2022-03-22 | 湖州织里长和热电有限公司 | Energy-saving efficient boiler variable-speed combustion system |
-
2018
- 2018-01-25 CN CN201820126423.1U patent/CN207829959U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216121A (en) * | 2021-12-16 | 2022-03-22 | 湖州织里长和热电有限公司 | Energy-saving efficient boiler variable-speed combustion system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20220125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |