CN107726298A - A kind of thermal power plant coal burning boiler - Google Patents
A kind of thermal power plant coal burning boiler Download PDFInfo
- Publication number
- CN107726298A CN107726298A CN201711119011.1A CN201711119011A CN107726298A CN 107726298 A CN107726298 A CN 107726298A CN 201711119011 A CN201711119011 A CN 201711119011A CN 107726298 A CN107726298 A CN 107726298A
- Authority
- CN
- China
- Prior art keywords
- coal
- heat exchanger
- exchanger chamber
- feeder
- power plant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B80/00—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
- F23K1/04—Heating fuel prior to delivery to combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2201/00—Pretreatment of solid fuel
- F23K2201/10—Pulverizing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2203/00—Feeding arrangements
- F23K2203/008—Feeding devices for pulverulent fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2900/00—Special features of, or arrangements for fuel supplies
- F23K2900/01041—Heating by using exhaust gas heat
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
Abstract
The invention discloses a kind of thermal power plant coal burning boiler, including crushing motor, lateral transfer motor, low-temperature flue gas delivery pipe, heat exchanger chamber, horizontal feed screw, high-temperature flue gas conveyance conduit, boiler body, lifting feeder motor, steel-wire screen, installing plate, crushing casing and elevating screws feeder, helical blade is provided with the cylinder of the horizontal feed screw and elevating screws feeder, and the rotating shaft of two helical blade center connections is respectively by lateral transfer motor and lifting feeder motor driving；The discharging opening of the charging aperture connection elevating screws feeder of the horizontal feed screw；The present invention realizes the screening and crushing of feed coal by crushing casing so that coal can be refined more, convenient burning, improve efficiency of combustion；The present invention realizes the pre- recuperation of heat of boiler combustion process high temperature flue gas by heat exchanger chamber, and coal is preheated, while reduces moisture, realizes that the calorific value of coal improves.
Description
Technical field
The present invention relates to thermal power plant's manufacture field, specifically a kind of thermal power plant's coal burning boiler.
Background technology
Thermal power plant abbreviation thermal power plant, it is to utilize combustible（Such as coal）Factory as fuel production electric energy.It
The basic process of production is：Fuel heats water generation steam in burning, the chemical energy of fuel is transformed into heat energy, vapour pressure is pushed
Dynamic steam turbine rotation, heat energy are converted into mechanical energy, and then steam turbine drives generator rotation, and mechanical energy is transformed into electric energy.It is former
Motivation is typically steam engine or gas turbine, in some less power stations, it is also possible to can use internal combustion engine.They all pass through
By turbine it is changed into the pressure drop of low-pressure air or condensed water during this using high temperature, high steam or combustion gas to generate electricity.
During thermal power generation, the equipment such as boiler are be unable to do without, and existing thermal power plant is remained using coal conduct
Main combustion material, the burning degree of coal how is improved, be one of important channel for improving boiler combustion efficiency, and it is existing
Boiler exist in use burn it is insufficient, while at discharge the problem of substantial amounts of high-temperature flue gas.
The content of the invention
It is an object of the invention to provide a kind of thermal power plant coal burning boiler, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides following technical scheme：
A kind of thermal power plant coal burning boiler, including crush motor, lateral transfer motor, low-temperature flue gas delivery pipe, heat exchanging chamber
Body, horizontal feed screw, high-temperature flue gas conveyance conduit, boiler body, lifting feeder motor, steel-wire screen, installing plate, crushing
Casing and elevating screws feeder, helical-blade is provided with the cylinder of the horizontal feed screw and elevating screws feeder
Piece, and the rotating shaft of two helical blade center connections is respectively by lateral transfer motor and lifting feeder motor driving；The transverse direction
The discharging opening of the charging aperture connection elevating screws feeder of feed screw, the charging aperture connection crush box of elevating screws feeder
The discharging opening of body bottom, the conveying of coal is realized, the crushing casing is internally provided with installing plate, if being offered on installing plate
The hollow out that dry coal supply charcoal leaks down, described crush are connected with the cover plate with charging aperture at the top of casing；The lower section of the installing plate
Layer of steel wire screen cloth is compounded with, and the bottom for crushing casing is the bottom plate being obliquely installed, position corresponding to the least significant end of bottom plate is set
Discharging opening is equipped with, the inside of heat exchanger chamber is arranged in the middle part of the horizontal feed screw, the horizontal feed screw
The section surface that cylinder is located inside heat exchanger chamber offers opening, and one end of the heat exchanger chamber offers air admission hole, air inlet
Hole connects the fume emission port of boiler body by high-temperature flue gas conveyance conduit.
As the further scheme of the present invention：It is more around the connection of its axle center between the installing plate and cover plate for crushing casing
Individual rotating shaft, driven gear is respectively connected with rotating shaft, driven gear engages connection driving gear, to form planetary gear pair, leads to
The rotation for crossing gear realizes that the stone in coal is crushed, and driven gear and driving gear are made using hard alloy herein,
So as to easily pulverize coal cinder, while coal can be refined, be easy to burn, the rotating shaft of the driving gear passes through connector
Connection crushes the output shaft of motor, the top that motor is fixedly connected on cover plate is crushed, so as to realize the driving of internal comminution system.
As the further scheme of the present invention：The cylinder of the both ends open of the heat exchanger chamber and horizontal feed screw it
Between sealed set, specifically using sealing ring fill between gap, with realize sealing.
As the further scheme of the present invention：The other end of the heat exchanger chamber offers connection low-temperature flue gas delivery pipe
Steam vent.
As the further scheme of the present invention：The side of the heat exchanger chamber downwards offers tapped through hole, screw thread
Through hole whorl connects the collection port of waste collection bottle, because high-temperature flue gas takes the moisture in coal in horizontal feed screw out of
Afterwards, the wall of heat exchanger chamber is run into, will be condensed, and condensed liquid contains the pollution elements such as the S in coal, therefore not
Can directly it discharge, and waste collection bottle passes through centralized collection, convenient follow-up harmless processing.
As the further scheme of the present invention：The waste collection bottle is stainless steel cylinder.
As the further scheme of the present invention：On the cylinder body outer wall of the inwall of the heat exchanger chamber and horizontal feed screw
Several fins are welded with, fin accelerates the efficiency of heat exchange, while fin has certain accumulation of energy effect, ensures to dry surely
It is fixed.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）The present invention realizes the screening and crushing of feed coal by crushing casing so that coal can be refined more, convenient combustion
Burn, improve efficiency of combustion.
（2）The present invention realizes the pre- recuperation of heat of boiler combustion process high temperature flue gas by heat exchanger chamber, and coal is carried out
Preheating, while moisture is reduced, realize that the calorific value of coal improves.
（3）The present invention is by reducing the temperature in high-temperature flue gas so that the harmful substance in flue gas can be cold with steam
Coagulate and concentrate, and using waste collection bottle recovery pollutant, so that overall pollution is small, be advantageous to environmental protection.
Brief description of the drawings
Fig. 1 is the structural representation of thermal power plant's coal burning boiler.
Fig. 2 is the structural representation for crushing casing.
In figure：Crush motor 1, lateral transfer motor 2, helical blade 3, low-temperature flue gas delivery pipe 4, heat exchanger chamber 5, opening
6th, horizontal feed screw 7, high-temperature flue gas conveyance conduit 8, boiler body 9, fin 10, waste collection bottle 11, lifting conveying electricity
Machine 12, steel-wire screen 13, bottom plate 14, installing plate 15, crushing casing 16, driven gear 17, driving gear 18, elevating screws feeding
Machine 19.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1~2, in the embodiment of the present invention, a kind of thermal power plant coal burning boiler, including crush motor 1, horizontal
To feeder motor 2, helical blade 3, low-temperature flue gas delivery pipe 4, heat exchanger chamber 5, opening 6, horizontal feed screw 7, high temperature cigarette
Letter shoot road 8, boiler body 9, fin 10, waste collection bottle 11, lifting feeder motor 12, steel-wire screen 13, bottom plate 14, peace
Loading board 15, crush casing 16, driven gear 17, driving gear 18 and elevating screws feeder 19, the horizontal feed screw 7
Be provided with helical blade 3 in the cylinder of elevating screws feeder 19, and the rotating shaft difference of two centers of helical blade 3 connections
Driven by lateral transfer motor 2 and lifting feeder motor 12, so as to realize the lifting of coal feedstock and conveying；
The discharging opening of the charging aperture connection elevating screws feeder 19 of the horizontal feed screw 7, elevating screws feeder 19
Charging aperture connection crush the discharging opening of casing 16 bottom, realize the conveying of coal, it is described to crush being internally provided with for casing 16
Installing plate 15, the hollow out that several coal supply charcoals leak down is offered on installing plate 15, and the top for crushing casing 16 is connected with band
The cover plate of charging aperture, between the installing plate 15 and cover plate of the crushing casing 16 in the multiple rotating shafts of its axle center connection, rotating shaft
Driven gear 17 is respectively connected with, driven gear 17 engages connection driving gear 18, to form planetary gear pair, passes through gear
Rotation realizes that the stone in coal is crushed, and driven gear 17 and driving gear 18 are made using hard alloy herein, so as to
Coal cinder can be easily pulverized, while coal can be refined, is easy to burn, the rotating shaft of the driving gear 18 is connected by connector
The output shaft for crushing motor 1 is connect, the top that motor 1 is fixedly connected on cover plate is crushed, so as to realize the driving of internal comminution system；
The lower section of the installing plate 15 is compounded with layer of steel wire screen cloth 13, and the steel-wire screen 13 that steel wire is compiled into can be by composite demand
Under coal sieve, and the bottom for crushing casing 16 is the bottom plate 14 being obliquely installed, and position corresponding to the least significant end of bottom plate 14 is provided with
Discharging opening, in order to discharge.
The middle part of the horizontal feed screw 7 is arranged on the inside of heat exchanger chamber 5, the both ends open of heat exchanger chamber 5 with
Sealed set between the cylinder of horizontal feed screw 7, specifically using sealing ring fill between gap, with realize sealing.
The section surface that the cylinder of the horizontal feed screw 7 is located inside heat exchanger chamber 5 offers opening 6, is used for
The discharge of moisture during heating, one end of the heat exchanger chamber 5 offer air admission hole, and air admission hole passes through high-temperature flue gas conveyance conduit 8
Connect boiler body 9 fume emission port so that boiler body 9 burn caused by high-temperature flue gas be directed to heat exchanger chamber 5
Interior, high-temperature flue gas can carry out heating heating to the coal in horizontal feed screw 7, improve efficiency of combustion.
The other end of the heat exchanger chamber 5 offers the steam vent of connection low-temperature flue gas delivery pipe 4.
The side of the heat exchanger chamber 5 downwards offers tapped through hole, tapped through hole threaded connection waste collection bottle
11 collection port, because after high-temperature flue gas takes the moisture in coal in horizontal feed screw 7 out of, run into heat exchanger chamber 5
Wall, it will condense, and condensed liquid contains the pollution elements such as the S in coal, therefore can not directly discharge, and waste liquid
Receiving flask 11 is by centralized collection, and convenient follow-up harmless processing, the waste collection bottle 11 is stainless steel cylinder.
Several fins 10, wing are welded with the inwall of the heat exchanger chamber 5 and the cylinder body outer wall of horizontal feed screw 7
Piece 10 accelerates the efficiency of heat exchange, while there is fin 10 certain accumulation of energy to act on, and ensures dry stable.
The present invention operation principle be：
The present invention realizes the conveying to coal by horizontal feed screw 7 and elevating screws feeder 19, and crushes casing 16
Inside it is provided with the disintegrating mechanism that driven gear 17 and driving gear 18 are formed；During real work, coal is introduced into
Crush in casing 16, be transported in boiler body and burnt by its screening and after crushing, and during conveying, pass through
Heat exchanger chamber 5 cause boiler body smoke evacuation system and horizontal feed screw 7 between formed a heat exchange mechanisms, that is, utilize pot
High-temperature flue gas caused by furnace body burning is dried and preheated to coal, to improve efficiency of combustion.
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacing, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., this should be included in
Within the protection domain of invention.
Claims (7)
1. a kind of thermal power plant coal burning boiler, including crush motor (1), lateral transfer motor (2), low-temperature flue gas delivery pipe
(4), heat exchanger chamber (5), horizontal feed screw (7), high-temperature flue gas conveyance conduit (8), boiler body (9), lifting conveying electricity
Machine (12), steel-wire screen (13), installing plate (15), crushing casing (16) and elevating screws feeder (19), it is characterised in that institute
State and helical blade (3) is provided with the cylinder of horizontal feed screw (7) and elevating screws feeder (19), and two spirals
The rotating shaft of blade (3) center connection is respectively by lateral transfer motor (2) and lifting feeder motor (12) driving；The horizontal spiral
The discharging opening of the charging aperture connection elevating screws feeder (19) of feeder (7), the charging aperture of elevating screws feeder (19) connect
The discharging opening for crushing casing (16) bottom is connect, realizes the conveying of coal, the crushing casing (16) is internally provided with installing plate
(15) hollow out that several coal supply charcoals leak down, is offered on installing plate (15), band is connected with the top of the crushing casing (16)
The cover plate of charging aperture；Layer of steel wire screen cloth (13) is compounded with below the installing plate (15), and crushes the bottom of casing (16)
For the bottom plate (14) being obliquely installed, position corresponding to the least significant end of bottom plate (14) is provided with discharging opening, the horizontal screw feeding
The inside of heat exchanger chamber (5) is arranged in the middle part of machine (7), the cylinder of the horizontal feed screw (7) is located at heat exchanger chamber (5)
An internal section surface offers opening (6), and one end of the heat exchanger chamber (5) offers air admission hole, and air admission hole passes through high temperature
The fume emission port of smoke conveying duct (8) connection boiler body (9).
2. thermal power plant according to claim 1 coal burning boiler, it is characterised in that the peace for crushing casing (16)
Loading board (15) connects multiple rotating shafts between cover plate around its axle center, and driven gear (17), driven gear are respectively connected with rotating shaft
(17) engagement connects driving gear (18), and to form planetary gear pair, driven gear (17) and driving gear (18) use
Hard alloy makes, and the rotating shaft of the driving gear (18) connects the output shaft for crushing motor (1) by connector, crushes motor
(1) it is fixedly connected on the top of cover plate.
3. thermal power plant according to claim 1 coal burning boiler, it is characterised in that the two of the heat exchanger chamber (5)
Sealed set between the cylinder of end opening and horizontal feed screw (7), the gap between being filled using sealing ring.
4. thermal power plant's coal burning boiler according to claim 1 or 3, it is characterised in that the heat exchanger chamber (5)
The other end offers the steam vent of connection low-temperature flue gas delivery pipe (4).
5. thermal power plant according to claim 4 coal burning boiler, it is characterised in that the heat exchanger chamber (5) is vertical
Side directed downwardly offers tapped through hole, the collection port of tapped through hole threaded connection waste collection bottle (11).
6. thermal power plant according to claim 5 coal burning boiler, it is characterised in that the waste collection bottle (11) is
Stainless steel cylinder.
7. thermal power plant according to claim 5 coal burning boiler, it is characterised in that the heat exchanger chamber (5) it is interior
Several fins (10) are welded with the cylinder body outer wall of wall and horizontal feed screw (7), fin (10) accelerates the effect of heat exchange
Rate, while there is fin (10) certain accumulation of energy to act on, and ensure to dry stabilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119011.1A CN107726298A (en) | 2017-11-14 | 2017-11-14 | A kind of thermal power plant coal burning boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119011.1A CN107726298A (en) | 2017-11-14 | 2017-11-14 | A kind of thermal power plant coal burning boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107726298A true CN107726298A (en) | 2018-02-23 |
Family
ID=61215345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711119011.1A Withdrawn CN107726298A (en) | 2017-11-14 | 2017-11-14 | A kind of thermal power plant coal burning boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107726298A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375061A (en) * | 2018-03-03 | 2018-08-07 | 浙江安吉天子湖热电有限公司 | A kind of boiler combustion system |
| CN114110642A (en) * | 2021-12-08 | 2022-03-01 | 沃睿迪(广东)科技有限公司 | Smart city environment-friendly heat supply system and method |
-
2017
- 2017-11-14 CN CN201711119011.1A patent/CN107726298A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375061A (en) * | 2018-03-03 | 2018-08-07 | 浙江安吉天子湖热电有限公司 | A kind of boiler combustion system |
| CN108375061B (en) * | 2018-03-03 | 2019-10-22 | 浙江安吉天子湖热电有限公司 | A kind of boiler combustion system |
| CN114110642A (en) * | 2021-12-08 | 2022-03-01 | 沃睿迪(广东)科技有限公司 | Smart city environment-friendly heat supply system and method |
| CN114110642B (en) * | 2021-12-08 | 2022-11-08 | 中建三局绿色产业投资有限公司 | Smart city environment-friendly heat supply system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109468139B (en) | Biomass staged pyrolysis combustor | |
| RU2521647C2 (en) | Multitubular device for coal decomposition with external heating | |
| CN105509059A (en) | Power generation system and power generation method | |
| CN107655023A (en) | A kind of thermal power plant coal burning boiler | |
| CN107726298A (en) | A kind of thermal power plant coal burning boiler | |
| CN201072128Y (en) | Biomass gasification electric generating apparatus of gas control type thermal decomposition system | |
| CN107163953A (en) | A kind of biomass and carbon containing thermal decomposition of organic wastes rotary furnace and thermal decomposition product recovery system | |
| CN207922199U (en) | a kind of biomass combustion boiler | |
| CN208349306U (en) | A kind of recycle device of waste incineration waste heat | |
| CN205746866U (en) | A kind of ground kiln formula refuse gasification combustion power generation device | |
| CN107858162A (en) | Biomass straw retort and row's charcoal device | |
| CN101974351B (en) | Scale fixed bed biomass gasification power generation production technology and suite of equipment | |
| CN217838703U (en) | Municipal administration sludge treatment system | |
| CN106382823A (en) | Coupling energy saving device for multiple products of sintering procedure | |
| CN207845463U (en) | A kind of municipal sludge carbonization cracker | |
| CN105331380A (en) | Power generation system and power generation method | |
| CN207394874U (en) | A kind of sludge cooperates with burning processing system | |
| CN201952400U (en) | Gasification furnace using original plant as fuel | |
| CN202203932U (en) | Automatic loading and heat energy recovery device | |
| CN207962603U (en) | A kind of thermal power generation heating system | |
| CN204114984U (en) | With the stove cigarette dry enclosed powder process coal-burning boiler unit that weary air water reclaims | |
| CN102607286A (en) | Molten salt furnace afterheat power-generation and combustion comprehensive utilizing system | |
| CN103316899B (en) | One way of life garbage flash mineralization treater box | |
| CN208505038U (en) | A kind of Industrial Boiler with function of recovering waste heat | |
| CN205170756U (en) | Power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180223 |
|
| WW01 | Invention patent application withdrawn after publication |