CN105565687B - A kind of limekiln breeze blowing induction system - Google Patents
A kind of limekiln breeze blowing induction system Download PDFInfo
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- CN105565687B CN105565687B CN201511009807.2A CN201511009807A CN105565687B CN 105565687 B CN105565687 B CN 105565687B CN 201511009807 A CN201511009807 A CN 201511009807A CN 105565687 B CN105565687 B CN 105565687B
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- coal dust
- limekiln
- pans
- coal
- pulverized coal
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
- C04B2/104—Ingredients added before or during the burning process
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
Abstract
The present invention relates to a kind of limekiln breeze blowing induction system, including Pulverized Coal Bin, blower fan and pulverized coal distributor.System is connected provided with pans and injection tank, Pulverized Coal Bin by push-pull valve with pans, and pans are connected by inlet valve with injection tank.The bottom of injection tank is connected provided with coal dust discharging opening, coal dust discharging opening by feed valve and coal dust delivery pipe with pulverized coal distributor, and blower fan is connected with coal dust transfer pipeline.Coal dust delivery pipe is connected by back powder pipeline with Pulverized Coal Bin, and injection tank is connected by balancing pipeline with pans, and pans are connected by upper balance pipeline with Pulverized Coal Bin.The compress wind that the present invention is bloated with blower fan is that power is conveyed, and improves the injection conveying capacity of coal dust and the efficiency of combustion of coal dust, optimizes conveying flow, reduce power consumption.Limekiln breeze blowing induction system conveying capacity of the present invention is big, totally-enclosed, without airborne dust is clear, clean environment firendly.
Description
Technical field
The invention belongs to technical field of chemical production equipment, it is related to a kind of limekiln corollary equipment, and in particular to Yi Zhongshi
Ash furnace breeze blowing induction system.
Background technology
The calciners such as the limekiln used solid fuel need pulverized coal preparation and induction system, and coal dust is transported into burning
Device is burnt.The preparation of coal dust and induction system generally include run coal bin, flour mill, Pulverized Coal Bin and coal powder conveyer etc., coal
Coal dust is ground into flour mill, the coal dust ground is stored in Pulverized Coal Bin, the high pressure draught produced with roots blower is load
Body, the coal dust in Pulverized Coal Bin is blown out, guided by pipeline to burner combustion.
Because coal powder size is superfine, it is mixed with air is easy to explode, in addition, there is also certain dense in Pulverized Coal Bin
The CO of degree, each of which increases the potential safety hazard of Pulverized Coal Bin blast.Usually using nitrogen as the protective gas in Pulverized Coal Bin,
And in pulverized coal conveying also using nitrogen as powder gas is carried, so, nitrogen will necessarily enter in combustion furnace together in company with coal dust.By
In the inertia of nitrogen, it enters the oxygen that will be diluted after combustion furnace in stove, influences the abundant burning of coal dust, reduces the production of combustion furnace
The thermal efficiency.
The content of the invention
The present invention provides a kind of limekiln breeze blowing induction system, promotes the injection conveying capacity of coal dust, improves conveying
The efficiency of combustion of coal dust, optimization conveying flow, reduces power consumption.
The technical scheme is that：Limekiln breeze blowing induction system, including Pulverized Coal Bin, blower fan and coal powder distribation
Device.System is connected provided with pans and injection tank, Pulverized Coal Bin by push-pull valve with pans, and pans pass through inlet valve and injection
Tank is connected.The bottom of injection tank passes through feed valve and coal dust delivery pipe and coal powder distribation provided with coal dust discharging opening, coal dust discharging opening
Device is connected, and blower fan is connected with coal dust delivery pipe.System is provided with back powder pipeline, balance pipeline and upper balance pipeline, coal dust delivery pipe
It is connected by back powder pipeline with Pulverized Coal Bin, injection tank is connected by balancing pipeline with pans, and pans pass through upper balance pipeline
It is connected with Pulverized Coal Bin.
System is provided with fluidizing gas pipeline, and fluidizing gas pipeline is connected respectively under Pulverized Coal Bin, pans and injection tank
Portion.Fluidizing gas pipeline is connected with nitrogen header pipe, and fluidizing gas is made with nitrogen.Pulverized coal distributor includes distributor disk and distribution branch
Pipe.Dispensing branch is connected to the burner in limekiln, and limekiln includes beam-type limekiln, sleeve kiln, double thorax kilns and annular to burning
Kiln.Beam-type limekiln is provided with burning beam, upper suction bar, lower suction bar and cooling air inlet.Burning beam is included in beam body, beam body
Bottom, which is provided with coal dust burner, beam body, is provided with coal dust branch pipe and combustion-supporting air channel, and dispensing branch is connected to coal dust by coal dust branch pipe
Burner.Beam body, which is externally provided with gas fuel inlet, beam body, is provided with blast tube, and the both sides of beam body are provided with gas nozzle, gas combustion
Material entrance is connected with gas passage, and gas passage is connected with fuel burner nozzle.Sleeve kiln is provided with combustion chamber, and combustion chamber is provided with sleeve kiln
Coal dust burner, dispensing branch is connected to the coal powder entrance of sleeve kiln coal dust burner.
Breeze blowing induction system in limekiln of the present invention is the corollary system in limekiln, is effectively realized greatly by the system
Type modernizes limekiln and is changed to be calcined by fuel of coal dust by gas burning, advantageously reduces the cost of lime product, expands combustion
Material source, improves the flexibility of operation.Limekiln breeze blowing induction system is mutually tied by Pulverized Coal Bin with pans and injection tank
Close, the compress wind bloated with blower fan is that power is conveyed, and improves the injection conveying capacity of coal dust and the efficiency of combustion of coal dust,
Conveying flow is optimized, power consumption is reduced.Limekiln breeze blowing induction system conveying capacity of the present invention is big, totally-enclosed,
Without airborne dust, clean environment firendly.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of breeze blowing induction system in limekiln of the present invention；
Fig. 2 is pulverized coal distributor schematic diagram；
Fig. 3 is beam-type limekiln schematic diagram；
Fig. 4 is burning beam structural representation；
Fig. 5 schemes for Fig. 4 A-A；
Fig. 6 is sleeve kiln structural representation；
Fig. 7 is sleeve kiln coal dust nozzle structure schematic diagram.
Wherein：
1-back powder pipeline, 2-Pulverized Coal Bin, 3-push-pull valve, 4-balance pipeline, 5-pans, 6-inlet valve, 7-stream
Wind transmission pipeline, 8-above balance pipeline, 9-injection tank, 10-coal dust discharging opening, 11-pulverized coal distributor, 12-distributor disk,
13-dispensing branch, 14-blower fan, 15-coal dust delivery pipe, 16-valve, 17-burning beam, 18-blast tube, 19-coal
Powder branch pipe, 20-coal dust burner, 21-heat conduction oil-in, 22-combustion-supporting air channel, 23-gas nozzle, 24-beam-type limekiln,
25-upper suction bar, 26-lower suction bar, 27-feed valve, 28-gas fuel inlet, 29-combustion air entrance, 30-beam
Body, 31-sleeve kiln, 32-combustion chamber, 33-sleeve kiln coal dust burner, 34-coal powder entrance, 35-air intake, 36-burning
Mouthpiece, 37-metering valve.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in detail.The scope of the present invention is not limited to embodiment,
Those skilled in the art make any change in the range of claim restriction and fall within the scope of protection of the invention.
Embodiment 1
Breeze blowing induction system in limekiln of the present invention is as shown in figure 1, including Pulverized Coal Bin 2, pans 5, injection tank 9, wind
Machine and 4 pulverized coal distributors 11, blower fan is roots blower.Pulverized Coal Bin is connected by push-pull valve 3 with pans, and pans are by entering
Material valve 6 is connected with injection tank 9.The bottom of injection tank passes through feed valve 27 and coal dust provided with coal dust discharging opening 10, coal dust discharging opening
Delivery pipe 15 is connected with pulverized coal distributor 11, and blower fan is connected with coal dust delivery pipe.System is provided with back powder pipeline 1, balance pipeline 4 and
Upper balance pipeline 8, coal dust delivery pipe is connected by back powder pipeline with Pulverized Coal Bin, and injection tank is connected by balancing pipeline with pans
Connect, pans are connected by upper balance pipeline 8 with Pulverized Coal Bin.System is provided with fluidizing gas pipeline 7, fluidizing gas pipeline and nitrogen
House steward is connected, and fluidizing gas is made with nitrogen.The bottom of Pulverized Coal Bin, pans and injection tank is respectively equipped with two circle fluidizing gas and entered
Mouthful, fluidizing gas pipeline is connected respectively to Pulverized Coal Bin, pans and the fluidisation gas inlet for being blown tank.As shown in Fig. 2 coal dust point
Orchestration includes distributor disk 12 and 15 dispensing branch 13.Dispensing branch is connected to the burner of beam-type limekiln 24, such as Fig. 3 institutes
Show, beam-type limekiln is provided with burning beam 17, upper suction bar 25, lower suction bar 26 and cooling air inlet.As shown in Figure 4, Figure 5, fire
Burning beam includes beam body 30, coal dust branch pipe 19, combustion-supporting air channel 22, blast tube 18 and gas nozzle 23.Beam body is externally provided with gas combustion
Expect entrance, heat conduction oil-in 21, the both sides of beam body are provided with gas nozzle 23, and gas fuel inlet is connected with gas passage, gas
Passage is connected with fuel burner nozzle.Dispensing branch 13 is connected to coal dust burner by coal dust branch pipe.It is blown tank and is provided with Weighing mechanism, coal
Powder delivery pipe is provided with metering valve 37, and Weighing mechanism is interlocked with metering valve.
The coal dust prepared between coal car processed is transported to Pulverized Coal Bin, and coal dust enters pans through push-pull valve, then enters through inlet valve
It is blown tank.Coal dust enters coal dust delivery pipe after the weighing device weights of injection tank through metering valve 37, in the defeated of the bulging of blower fan 14
Enter the distributor disk of pulverized coal distributor 11 under the drive of air-supply to each dispensing branch 13, then by dispensing branch to beam-type limekiln
Beam body, burnt through the coal dust branch pipe 19 in beam body to coal dust burner 20.
Embodiment 2
Another embodiment of the present invention is as shown in fig. 6, including injection induction system and sleeve kiln 31, be blown induction system
Including including Pulverized Coal Bin 2, pans 5, injection tank 9, blower fan and 4 pulverized coal distributors 11, sleeve kiln is provided with combustion chamber 32, burning
Room is provided with sleeve kiln coal dust burner 33.Shown in Fig. 7, sleeve kiln coal dust burner is provided with coal powder entrance 34, air intake 35 and burner
Mouth 36, dispensing branch 13 is connected to the coal powder entrance of sleeve kiln coal dust burner.The present embodiment other structures and operation and embodiment 1
It is identical.
Claims (7)
1. a kind of limekiln breeze blowing induction system, including Pulverized Coal Bin（2）, blower fan（14）And pulverized coal distributor（11）, it is special
Levying is：The system is provided with pans（5）With injection tank（9）, the Pulverized Coal Bin passes through push-pull valve（3）It is connected with pans, institute
State pans and pass through inlet valve（6）With injection tank（9）Connection；The bottom of the injection tank is provided with coal dust discharging opening（10）, coal dust
Discharging opening passes through feed valve（27）With coal dust delivery pipe（15）With pulverized coal distributor（11）Connection, the blower fan and coal dust delivery pipe
Connection；The system is provided with back powder pipeline（1）, balance pipeline（4）With upper balance pipeline（8）, coal dust delivery pipe passes through back powder pipe
Road is connected with Pulverized Coal Bin, and injection tank is connected by balancing pipeline with pans, and pans pass through upper balance pipeline（8）With Pulverized Coal Bin
Connection；The system is provided with fluidizing gas pipeline（7）, the fluidizing gas pipeline is connected respectively to Pulverized Coal Bin（2）, pans
（5）With injection tank（9）Bottom.
2. breeze blowing induction system in limekiln according to claim 1, it is characterized in that：The pulverized coal distributor（11）Bag
Include distributor disk（12）And dispensing branch（13）.
3. breeze blowing induction system in limekiln according to claim 2, it is characterized in that：The dispensing branch is connected to stone
Ash furnace burner, the limekiln includes beam-type limekiln（24）, sleeve kiln（31）, double thorax kilns and annular to firing.
4. breeze blowing induction system in limekiln according to claim 3, it is characterized in that：The beam-type limekiln（24）If
There is burning beam（17）, upper suction bar（25）, lower suction bar（26）And cooling air inlet.
5. breeze blowing induction system in limekiln according to claim 4, it is characterized in that：The burning beam（17）Including beam
Body（30）, the bottom in the beam body is provided with coal dust burner（20）, beam body is interior to be provided with coal dust branch pipe（19）With combustion-supporting air channel（22）,
The dispensing branch（13）Coal dust burner is connected to by coal dust branch pipe.
6. breeze blowing induction system in limekiln according to claim 5, it is characterized in that：The beam body（30）It is externally provided with gas
Fluid fuel entrance（28）, beam body is interior to be provided with blast tube（18）, the both sides of beam body are provided with gas nozzle（23）, gas fuel inlet
It is connected with gas passage, gas passage is connected with fuel burner nozzle.
7. breeze blowing induction system in limekiln according to claim 3, it is characterized in that：The sleeve kiln（31）Provided with combustion
Burn room（32）, the combustion chamber is provided with sleeve kiln coal dust burner（33）, the dispensing branch（13）It is connected to sleeve kiln coal dust burning
The coal powder entrance of mouth（34）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009807.2A CN105565687B (en) | 2015-12-30 | 2015-12-30 | A kind of limekiln breeze blowing induction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009807.2A CN105565687B (en) | 2015-12-30 | 2015-12-30 | A kind of limekiln breeze blowing induction system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105565687A CN105565687A (en) | 2016-05-11 |
| CN105565687B true CN105565687B (en) | 2017-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511009807.2A Active CN105565687B (en) | 2015-12-30 | 2015-12-30 | A kind of limekiln breeze blowing induction system |
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| CN (1) | CN105565687B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114584A (en) * | 2017-06-24 | 2019-01-01 | 宝钢工程技术集团有限公司 | The double thorax kiln coal injection devices of pneumatic type and its application method |
| CN109053000A (en) * | 2018-10-17 | 2018-12-21 | 常熟市龙腾特种钢有限公司 | A kind of beam-type limekiln |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001072446A (en) * | 1999-07-06 | 2001-03-21 | Yoshizawa Lime Industry | Production of quick lime.calcined dolomite in kiln |
| CN201339950Y (en) * | 2009-01-09 | 2009-11-04 | 宋军保 | Pulverized coal injection and supply system for industrial furnace |
| CN102557491A (en) * | 2012-03-19 | 2012-07-11 | 石家庄市新华工业炉有限公司 | Compound combustion beam for lime kiln |
| CN203229496U (en) * | 2013-02-18 | 2013-10-09 | 上海锅炉厂有限公司 | Milled coal drying and conveying device applicable to high-moisture-content coal |
| CN203963981U (en) * | 2014-07-08 | 2014-11-26 | 曾永健 | A kind of steam drying brown coal medium-speed milling pulverization system |
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- 2015-12-30 CN CN201511009807.2A patent/CN105565687B/en active Active
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| Publication number | Publication date |
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| CN105565687A (en) | 2016-05-11 |
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