CN201339950Y - Pulverized coal injection and supply system for industrial furnace - Google Patents
Pulverized coal injection and supply system for industrial furnace Download PDFInfo
- Publication number
- CN201339950Y CN201339950Y CNU2009201012551U CN200920101255U CN201339950Y CN 201339950 Y CN201339950 Y CN 201339950Y CN U2009201012551 U CNU2009201012551 U CN U2009201012551U CN 200920101255 U CN200920101255 U CN 200920101255U CN 201339950 Y CN201339950 Y CN 201339950Y
- Authority
- CN
- China
- Prior art keywords
- pulverized coal
- hopper
- servo
- coal dust
- injector
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a pulverized coal injection and supply system for an industrial furnace, which is characterized in that a spiral distribution conveyor is arranged at the bottom of a pulverized coal bin; the lower part of the spiral distribution conveyor is connected with a servo hopper; and a board plug valve is arranged between the spiral distribution conveyor and the servo hopper. The pulverized coal injection and supply system is improved in that a metering screw is arranged at the bottom of the servo hopper for metering and conveying the pulverized coal; the metering screw is connected with a pulverized coal injector; the injector is communicated with the fluid of a roots blower which supplies the high-pressure blast for the injector; the injector is communicated with the fluid of a pulverized coal distributor which divides the pulverized coal into two equal parts; and the pulverized coal distributor is communicated with the fluid of a pulverized coal burner. In the utility model, the pulverized coal quantity conveying can be controlled accurately, the pulverized coal quantity conveyed to the pulverized coal burner can be conveyed exactly according to the predetermined quantity after being distributed by the pulverized coal separator, the state of combustion of each burner in the furnace is the same, and the temperature of every part in the furnace is consistent, thereby achieving the purpose of improving the calcination quality.
Description
Technical field
The utility model relates to a kind of coal dust spray of industrial furnace for system.
Background technology
Coal dust spray of the prior art is for system, because metering is inaccurate, it is unbalanced to cause coal dust to distribute, and the combustion air in each burner is uniform distribution, like this, just make each burner combustion state difference in the stove, thereby cause that difference appears in the different parts temperature in the stove.Coal dust distributes few burner environment temperature lower, and coal dust distributes many burner environment temperatures higher, and this temperature contrast in the stove is very unfavorable to calcining.
The utility model content
The purpose of this utility model is exactly to provide a kind of coal dust spray of accurate measurement for system, to improve the calcination quality of stove.
The utility model is achieved in that the coal dust spray of this industrial furnace is for system, in the Pulverized Coal Bin bottom spiral distribution conveyor is installed, spiral distribution conveyor bottom and servo hopper join, between spiral distribution conveyor and the servo hopper push-pull valve is installed, its improvements are that servo feed hopper bottom is equipped with metering, the metering screw of pulverized coal conveying, metering screw and coal dust injector join, injector with provide the roots blower fluid communication of high-pressure blast to it, described injector and the pulverized coal distributor fluid communication, described pulverized coal distributor and the coal dust burner fluid communication that coal dust are divided into two equal portions.
The utility model is installed the metering screw of metering, pulverized coal conveying in servo feed hopper bottom, make that the coal dust quantity that is transported to the coal dust injector is precisely controlled, thus, can guarantee that but the coal dust amount predetermined amounts that is transported to the coal dust burner after pulverized coal distributor distributes accurately provides and delivers, make that interior each the burner combustion state of stove is identical, temperature unanimity everywhere in the stove, and then reach the purpose that improves the calcination quality.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further
Shown in Figure 1, the coal dust spray of this industrial furnace is for system, in Pulverized Coal Bin 3 bottoms spiral distribution conveyor 7 is installed, spiral distribution conveyor 7 bottoms and servo hopper 9 join, push-pull valve 8 is installed between spiral distribution conveyor 7 and the servo hopper 9, servo hopper 9 bottoms are equipped with metering, the spiral metering scale 12 of pulverized coal conveying, spiral metering scale 12 joins with coal dust injector 13, injector 13 with provide roots blower 14 fluid communication of high-pressure blast to it, described injector 13 and pulverized coal distributor 15 fluid communication that coal dust are divided into two equal portions, described pulverized coal distributor 15 and coal dust burner 16 fluid communication.
Because coal dust itself has inflammable and explosive property, it takes place in course of conveying, and friction reaches burning-point or meet oxygen after the generation spontaneous combustion in storing process will fire, therefore, consider security, the utility model purges facility 4 fluids with Pulverized Coal Bin 3 and the nitrogen that nitrogen is provided to it and is communicated with; Servo hopper 9 is communicated with nitrogen purging device 10 fluids that nitrogen is provided to it.Thus, the omnidistance nitrogen protection of native system with eliminating oxygen composition, thereby has improved security.
Finished product coal dust of the present utility model is transported to Pulverized Coal Bin 3 from pulverized coal preparation workshop pipeline, Pulverized Coal Bin 3 tops are provided with deduster 2, when to this storehouse pulverized coal conveying, at first start deduster 2 and dedusting fan 1, in time will carry gas in the storehouse, to discharge, guarantee that coal dust does not leak outside.
In order to ensure safety, burst disk is installed at each Pulverized Coal Bin 3 top, at first can pressure release when the storehouse internal pressure is too high, if fire can venting of dust explosion for next coal dust.Pulverized Coal Bin 3 is equipped with thermometer and temperature sensor, to be used to detect its ruuning situation, when finding the temperature superelevation, the condition of a fire may take place, can start nitrogen blowback facility 4 immediately, guarantees Pulverized Coal Bin 3 safe operations.
LOAD CELLS 5 is installed in each Pulverized Coal Bin 3 bottom, is used for detecting the storage capacity of coal dust in the storehouse.
Pulverized Coal Bin 3 bottommosts are installed push-pull valve 6, the push-pull valve 6 following spiral distribution conveyor 7 that connect.
The coal dust that spiral distribution conveyor 7 will transport out from Pulverized Coal Bin 3 is assigned in each servo hopper 9.LOAD CELLS 11 is installed in servo hopper 9 bottoms, is used to detect coal dust weight in this hopper.Push-pull valve 8 is installed between spiral distribution conveyor 7 and the servo hopper 9, and when needs added coal dust in servo hopper 9, corresponding push-pull valve 8 was opened, and along with the rotation of spiral, finishes the coal dust installation process.Burst disk is installed at servo hopper 9 tops, in case blast, can guarantee device security.In servo feed hopper bottom nitrogen purging device 10 and temperature alarming device are installed,, are started purging at any time in case report to the police.
Metering screw 12 is installed in servo hopper 9 bottoms, and metering screw 12 can accurately be controlled the coal dust conveying capacity, to reach by the purpose of predetermined amount of flow to coal dust injector 13 pulverized coal conveyings.
Coal dust injector 13 is made up of a cover Lavalle playpipe, and driving gas is from roots blower 14, and the blast of roots blower 14 can reach 0.1Mpa, and under the effect of coal dust injector 13, driving gas carries coal dust and is transported to pulverized coal distributor 15 fast along pipeline.Distributor 15 coal dust of self-measuring spiral in the future is divided into two five equilibriums, and each is transported to coal dust burner 16 along pipeline and burns.
Claims (3)
1, a kind of industrial furnace coal dust spray is for system, in Pulverized Coal Bin (3) bottom spiral distribution conveyor (7) is installed, spiral distribution conveyor (7) bottom and servo hopper (9) join, between spiral distribution conveyor (7) and the servo hopper (9) push-pull valve (8) is installed, it is characterized in that servo hopper (9) bottom is equipped with metering, the metering screw of pulverized coal conveying (12), metering screw (12) joins with coal dust injector (13), injector (13) with provide roots blower (14) fluid communication of high-pressure blast to it, described injector (13) and pulverized coal distributor (15) fluid communication that coal dust is divided into two equal portions, described pulverized coal distributor (15) and coal dust burner (16) fluid communication.
2, industrial furnace coal dust spray according to claim 1 is characterized in that for system Pulverized Coal Bin (3) is communicated with nitrogen blowback facility (4) fluid that nitrogen is provided to it.
3, industrial furnace coal dust spray according to claim 2 is characterized in that for system servo hopper (9) is communicated with nitrogen purging device (10) fluid that nitrogen is provided to it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201012551U CN201339950Y (en) | 2009-01-09 | 2009-01-09 | Pulverized coal injection and supply system for industrial furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201012551U CN201339950Y (en) | 2009-01-09 | 2009-01-09 | Pulverized coal injection and supply system for industrial furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201339950Y true CN201339950Y (en) | 2009-11-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201012551U Expired - Lifetime CN201339950Y (en) | 2009-01-09 | 2009-01-09 | Pulverized coal injection and supply system for industrial furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201339950Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705815A (en) * | 2012-05-08 | 2012-10-03 | 佛山市沛沣科技有限公司 | Powder combustion device |
| CN103075741A (en) * | 2013-01-31 | 2013-05-01 | 佛山市沛沣科技有限公司 | Negative pressure delivery powder combustion system |
| CN103162306A (en) * | 2011-12-14 | 2013-06-19 | 佛山市国保节能环保技术有限公司 | Coal powder long-range conveying and combustion system |
| CN103234215A (en) * | 2013-05-16 | 2013-08-07 | 昆明理工大学 | Blended pulverized coal combustion control device and method |
| CN104501202A (en) * | 2014-12-15 | 2015-04-08 | 江苏中圣园科技股份有限公司 | Method for quantitatively allocating pulverized coal for combustors of industrial furnace |
| CN104501201A (en) * | 2014-12-15 | 2015-04-08 | 无锡宏大环保设备有限公司 | Device for quantitatively allocating pulverized coal for combustors of industrial furnace |
| CN105565687A (en) * | 2015-12-30 | 2016-05-11 | 石家庄新华能源环保科技股份有限公司 | Pulverized coal injection delivery system for lime kiln |
| CN106932060A (en) * | 2017-03-28 | 2017-07-07 | 山东博硕自动化技术有限公司 | A kind of material continuous metering distribution |
| CN107228375A (en) * | 2016-07-12 | 2017-10-03 | 华北电力大学（保定） | A kind of single nozzles multitube of correspondence combines half direct-firing pulverized coal carried by hot air system |
| CN107233989A (en) * | 2017-07-10 | 2017-10-10 | 佛山市新祖陶瓷科技有限公司 | One kind dries the integrated Coal-disintegrating machine of mill torch firing |
-
2009
- 2009-01-09 CN CNU2009201012551U patent/CN201339950Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162306B (en) * | 2011-12-14 | 2015-05-27 | 佛山市国保节能环保技术有限公司 | Coal powder long-range conveying and combustion system |
| CN103162306A (en) * | 2011-12-14 | 2013-06-19 | 佛山市国保节能环保技术有限公司 | Coal powder long-range conveying and combustion system |
| CN102705815A (en) * | 2012-05-08 | 2012-10-03 | 佛山市沛沣科技有限公司 | Powder combustion device |
| CN103075741A (en) * | 2013-01-31 | 2013-05-01 | 佛山市沛沣科技有限公司 | Negative pressure delivery powder combustion system |
| CN103234215A (en) * | 2013-05-16 | 2013-08-07 | 昆明理工大学 | Blended pulverized coal combustion control device and method |
| CN103234215B (en) * | 2013-05-16 | 2015-06-03 | 昆明理工大学 | Blended pulverized coal combustion control device and method |
| CN104501201A (en) * | 2014-12-15 | 2015-04-08 | 无锡宏大环保设备有限公司 | Device for quantitatively allocating pulverized coal for combustors of industrial furnace |
| CN104501202A (en) * | 2014-12-15 | 2015-04-08 | 江苏中圣园科技股份有限公司 | Method for quantitatively allocating pulverized coal for combustors of industrial furnace |
| CN105565687A (en) * | 2015-12-30 | 2016-05-11 | 石家庄新华能源环保科技股份有限公司 | Pulverized coal injection delivery system for lime kiln |
| CN107228375A (en) * | 2016-07-12 | 2017-10-03 | 华北电力大学（保定） | A kind of single nozzles multitube of correspondence combines half direct-firing pulverized coal carried by hot air system |
| CN106932060A (en) * | 2017-03-28 | 2017-07-07 | 山东博硕自动化技术有限公司 | A kind of material continuous metering distribution |
| CN107233989A (en) * | 2017-07-10 | 2017-10-10 | 佛山市新祖陶瓷科技有限公司 | One kind dries the integrated Coal-disintegrating machine of mill torch firing |
| CN107233989B (en) * | 2017-07-10 | 2023-09-22 | 佛山市新祖陶瓷科技有限公司 | Baking, grinding, spraying and burning integrated coal powder machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shijiazhuang Boguang Heat Technology Co.,Ltd. Assignor: Song Junbao|Song Haiyu Contract record no.: 2010130000023 Denomination of utility model: Pulverized coal injection and supply system for industrial furnace Granted publication date: 20091104 License type: Exclusive License Record date: 20100415 |
|
| ASS | Succession or assignment of patent right |
Owner name: BOGUANG HEAT ENERGY CO., LTD. Free format text: FORMER OWNER: SONG JUNBAO Effective date: 20130218 Free format text: FORMER OWNER: SONG HAIYU Effective date: 20130218 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130218 Address after: 050000 Changjiang Road, high tech Zone, Hebei, Shijiazhuang, China, 13 Patentee after: SHJIAHZHUANG BOGUANG THERMAL ENERGY TECHNOLOGY CO., LTD. Address before: Building No. 13 Changjiang Road Chunlong high tech Zone 050000 in Hebei city of Shijiazhuang province 805 Patentee before: Song Junbao Patentee before: Song Haiyu |
|
| CP03 | Change of name, title or address |
Address after: 050000 Xiangjiang Road, Shijiazhuang high tech Zone, Hebei, No. 319 Patentee after: Bo wide environmental technology Limited by Share Ltd Address before: 050000 Changjiang Road, high tech Zone, Hebei, Shijiazhuang, China, 13 Patentee before: SHJIAHZHUANG BOGUANG THERMAL ENERGY TECHNOLOGY CO., LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091104 |