CN100491880C - High-temperature fluidized quick-burning reaction furnace - Google Patents
High-temperature fluidized quick-burning reaction furnace Download PDFInfo
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- CN100491880C CN100491880C CNB2006100173186A CN200610017318A CN100491880C CN 100491880 C CN100491880 C CN 100491880C CN B2006100173186 A CNB2006100173186 A CN B2006100173186A CN 200610017318 A CN200610017318 A CN 200610017318A CN 100491880 C CN100491880 C CN 100491880C
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Abstract
The invention relates to a high-temperature flow quickly-burning reaction furnace for producing cement clinker or calcium aluminate, comprising vertical furnace with feeding port at the top, air inlet port at the lower and discharge port at the bottom; warming device connected with the side of furnace, which comprises high-temperature flow channel and burning device set on the high-temperature flow channel. The low-temperature flow inlet port of high-temperature flow channel is connected with the middle-lower part of furnace and the high-temperature flow outlet port is connected with the middle-upper part of furnace. Not only the invention can burn and cool quickly but also it is good quality and high yield. Automatization is realized in calcination producing workshop section and the energy is fully used. The exhaust gas is treated effectively.
Description
Technical field
The present invention relates to a kind of high-temperature fluidized quick-burning reaction furnace that can be used for producing clinker or calcium aluminate.
Background technology
Existing manufacture of cement kiln comprises mechanized cement shaft kiln and dry-process rotory kiln, and the mechanized cement shaft kiln specific yield is low, and quality in kind is poor, and environmental pollution is big, the energy waste height, and kiln worker burning accident takes place frequently in the production process; Dry-process rotory kiln equipment is huge, makes, transports, installs difficulty, and the disposable apparatus investment is too high, and power consumption is big in the equipment operation process.
Summary of the invention
The object of the invention be to provide a kind of energy-saving effect obviously, the high-temperature fluidized quick-burning reaction furnace of good quality and high output.
For reaching above-mentioned purpose, the present invention adopts following technical scheme: high-temperature fluidized quick-burning reaction furnace, comprise that the top is provided with annular charging aperture, bottom and is provided with the vertical body of heater that air inlet, bottom are provided with discharging opening, the body of heater side connects heating device, heating device comprises high temperature gas flow passage and the burner that is installed on the high temperature gas flow passage, and the low-temperature airflow import of high temperature gas flow passage is connected with the body of heater middle and lower part, the high temperature gas flow outlet is connected with the body of heater middle and upper part.
The low-temperature airflow import of high temperature gas flow passage is or/and be provided with burner in the high temperature gas flow passage, and the low-temperature airflow import of high temperature gas flow passage, high temperature gas flow outlet are equipped with temperature sensing device, and burner is connected with control device with temperature sensing device; The high temperature gas flow outlet of high temperature gas flow passage is connected with body of heater by the furnace sandwich air chamber.
The body of heater internal diameter of the low-temperature airflow entrance location upside of heating device is less than the body of heater internal diameter of its downside, and low-temperature airflow entrance location inboard wall of furnace body is provided with the annular low-temperature airflow passage that is communicated with the low-temperature airflow import.
Body of heater crown center support is provided with revolving top, and the distributing device periphery is provided with annular charging aperture.
The charging aperture bottom is interval with swash plate on the inside and outside both sides, and the gap constitutes feeding-passage between the swash plate of inside and outside both sides, and the gap is communicated with furnace sandwich above the furnace sandwich air chamber between the swash plate of the outside, and furnace sandwich is connected with fume purifier by smoke exhaust pipe.
Discharging opening is provided with the discharging Tashan Mountain, is provided with middle airduct in the middle of the cat head in the Tashan Mountain, and the top of middle airduct and side are equipped with the cold wind outlet.
Three layers of staggered up and down water smoke plate with holes are set in the fume purifier chamber at least, the fume purifier bottom is connected with smoke exhaust pipe and outlet pipe, outlet pipe is connected with the filtration sump, filter in the sump and be provided with water pump, pump outlet is connected with the fume purifier top by water inlet pipe, the top of fume purifier also is provided with outlet flue, and outlet flue leads to atmosphere.
In airduct upper end be provided with annular cold wind import with body of heater between the import of heating device low-temperature airflow and be connected with the cold wind ajutage, and be connected with described cold wind ajutage on the discharge nozzle that discharging opening is connected, described cold wind ajutage is provided with the cold wind by-pass cock.
The high temperature gas flow passage of heating device is connected in series by at least three sections gas channels arranged side by side and forms, and the low-temperature airflow import department of high temperature gas flow passage is provided with burner, two junctions of turning round burner is set at least in the high temperature gas flow passage.
The present invention sets up heating device in the body of heater side, from absorbing of body of heater bottom the air of lower temperature of material temperature in high temperature channel behind the burner heat temperature raising, the high temperature of process high temperature gas flow passage exports and enters the body of heater middle and upper part around the furnace sandwich air chamber furnace charge is heated, can accelerate the calcination reaction of furnace charge, reaction is evenly complete, the product quality height.Burner can select for use fire coal, fuel oil, combustion gas to make fuel, and generally the low-temperature airflow import at the high temperature gas flow passage is provided with, and also can set up a plurality of burners as required in the high temperature gas flow passage.The import of high temperature gas flow passage, outlet are provided with temperature sensing device, burner is connected with control device with temperature sensing device, can detect the observation temperature at any time, regulate the control gas temperature by opening and closing burner, thereby realize the required high temperature of burning clinker of cement reaction, reach rapid calcining.The revolving top that is provided with on the body of heater crown center support makes cloth even, the gap guarantees that raw material ball passes through between the swash plate of both sides, charging aperture below, the gap is communicated with furnace sandwich above the air chamber between the swash plate of the outside simultaneously, makes the flue dust that rises to enter fume purifier by smoke exhaust pipe.Fume purifier comprises the water inlet pipe of top connection, smoke exhaust pipe and the outlet pipe that the bottom connects, at least three layers of staggered up and down water smoke plate with holes can be set in the fume purifier chamber, it is tortuous up in water smoke to be convenient to flue dust, thereby obtain sufficient filtration, purification, while and water carry out heat exchange, the water that has uniform temperature after the heat exchange can be used for the raw material balling-up once more to be used, and has made full use of the heat energy that reclaims.In fume purifier, dust in flue gas and pernicious gas are absorbed by liquid, and emission gases meets emission request fully, can not pollute environment.In the middle of the discharging Tashan Mountain cat head of discharging opening middle airduct is set, in airduct upper end be provided with annular cold wind import with body of heater between the import of heating device low-temperature airflow and be connected with the cold wind ajutage, the cold wind outlet air-supply that the top of airduct and side are equipped with in the cooperation, cool off clinker rapidly, stop the grog crystal to decompose, thereby improve the quality of products greatly.The cold wind ajutage is set on the discharge nozzle, obtains and fully to lower the temperature before making clinker discharge, and fully recycle heat in the grog, avoided waste.The body of heater internal diameter of the low-temperature airflow entrance location upside of heating device is less than the body of heater internal diameter of its downside, be convenient to burned grog loose, ventilate, heat radiation, improve the quality of products; Low-temperature airflow entrance location inboard wall of furnace body is provided with the annular low-temperature airflow passage that is communicated with the low-temperature airflow import, and it is up and enter in the high temperature gas flow passage of heating device to be convenient to low-temperature airflow.Be equipped with the cold wind by-pass cock on the cold wind ajutage that connects on the discharge nozzle and the cold wind ajutage that annular cold wind import on the body of heater is connected, be convenient to control as required the cold wind intake.The high temperature gas flow passage of heating device can be connected in series by at least three sections gas channels arranged side by side and form, low-temperature airflow import department at the high temperature gas flow passage is provided with burner, two junctions of turning round are provided with burner in the high temperature gas flow passage, can realize that like this gradient heats, heat effect ideal more.
The present invention not only can realize quick burning, cooling, and good quality and high output fast, and calcining production workshop section can realize automation, can make full use of the energy, and waste gas can effectively be handled energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of the high temperature heating device of embodiment 2.
The specific embodiment
Embodiment 1: the tubular body of heater 1 that high-temperature fluidized quick-burning reaction furnace as shown in Figure 1 is made up of metal and refractory material, comprise that the top is provided with charging aperture, bottom and is provided with the vertical body of heater that air inlet, bottom are provided with discharging opening, body of heater 1 side connects high temperature heating device 2, and high temperature heating device 2 comprises high temperature gas flow passage and the burner that is installed on the high temperature gas flow passage.The high temperature gas flow passage of high temperature heating device 2 becomes square waveform, be connected in series by three sections gas channels arranged side by side and form, go out to be provided with igniting coal powder injection device 3 at low-temperature airflow inlet 18, igniting coal powder injection device 3 is connected with the Control for Kiln Temperature device with Coal powder spray device 26 with circuit by the coal dust carrier pipe, and Pulverized Coal Bin 24 is connected with Coal powder spray device 26 by the coal dust carrier pipe.Secondary Coal powder spray mouth 4 and three Coal powder spray mouths 5 are set respectively in high temperature gas flow passage corner, and secondary Coal powder spray mouth 4 and three Coal powder spray mouths 5 are connected with Coal powder spray device 26 by the coal dust carrier pipe.
The low-temperature airflow import 18 of high temperature gas flow passage is connected with the body of heater middle and lower part, the high temperature gas flow of high temperature gas flow passage outlet is connected with furnace sandwich air chamber 7, furnace sandwich air chamber 7 madial walls be provided with high temperature gas flow export 8 with stove in communicate.The rear side and the high temperature gas flow channel exit of high temperature gas flow channel entrance place igniting coal powder injection device 3 are respectively equipped with temperature sensing device 34,33, and temperature sensing device 34,33 is connected with Control for Kiln Temperature device 25.Distributing device 10 downside exhaust air chamber inside are provided with temperature sensing device 35, are used for measuring the upper of furnace body temperature, because upper of furnace body exhaust air chamber temperature can not be too high, can wait by the control blanking velocity and regulate, and the temperature of upper of furnace body exhaust air chamber is adhered to specification.
The body of heater internal diameter of the low-temperature airflow import 18 position upsides of heating device is less than the body of heater internal diameter of its downside, be convenient to burned grog loose, ventilate, heat radiation, improve the quality of products; Low-temperature airflow import 18 position bodies of heater 1 inwall is provided with the annular low-temperature airflow passage 36 that is communicated with low-temperature airflow import 18, and it is up and enter in the high temperature gas flow passage of heating device to be convenient to low-temperature airflow.
Discharging opening is provided with the discharging Tashan Mountain 17, and airduct 16 in being provided with in the middle of the cat head, the top of middle airduct 16 and side and Tashan Mountain upper surface are equipped with the cold wind outlet.In body of heater 1 between the low-temperature airflow import 18 of airduct 16 upper ends and heating device 2 be provided with annular cold wind import 32 and be connected with the cold wind ajutage, be connected with the cold wind ajutage on the discharge nozzle 15 that is connected with discharging opening, two place's cold wind ajutages all are connected with blower fan 13 by cold wind by- pass cock 31,14.
Body of heater 1 top-support centre is provided with revolving top 10, and distributing device 10 peripheries are provided with annular charging aperture.Both sides, charging aperture below are interval with swash plate 37, and the gap constitutes feeding-passage between the both sides swash plate 37, and the gap is communicated with the smoke evacuation chamber 28 of furnace sandwich above the furnace sandwich air chamber 7 between the outside swash plate 37, is connected with fume purifier 30 by smoke exhaust pipe 19.Three layers of staggered up and down water smoke plate 22 with holes are set in fume purifier 30 chambeies, fume purifier 30 bottoms are connected with outlet pipe, outlet pipe is connected with filtration sump 21, filter in the sump 21 and be provided with water pump 20, water pump 20 delivery ports are connected with fume purifier 30 tops by water inlet pipe 27, and the top of fume purifier 30 also is provided with outlet flue 23.Water inlet pipe 27 is sprayed water downwards by water smoke plate 22, can play good gas cleaning effect.
The course of work of the present invention is:
By conveyer belt 11 raw material ball 12 is delivered to distributing device 10, behind cloth, enter in the stove.Blower fan 13 is worked simultaneously, cold wind enters high temperature heating device 2 through the annular low-temperature airflow passage 36 of body of heater 1 inwall setting from low-temperature airflow import 18, cold wind starts igniting Coal powder spray device 3 when entering high temperature heating device 2, igniting Coal powder spray device 3 selects for use coal dust to make fuel.The coal dust of lighting produces high temperature gas flow 6, and high temperature gas flow 6 enters the burning clinker of cement band by furnace sandwich air chamber 7 and high temperature gas flow outlet 8, and clinker is calcined.When if high temperature gas flow 6 does not reach temperature requirement, Control for Kiln Temperature device 25 commander's Pulverized Coal Bin 24 and Coal powder spray devices 26, by the reach a high temperature temperature requirement of calcination of chamotte of secondary Coal powder spray mouth 4 and the burning of three Coal powder spray mouth 5 Coal powder spray, realize quick burning, also improved product quality and production efficiency simultaneously.
The high temperature of high temperature gas flow outlet 8 cement slurry is carried out the high-temperature gas that produces after the high-temperature calcination under the effect of blower fan 13 blast to rising, the heat of high-temperature gas is absorbed by major part during by the cement slurry layer more than the high temperature, the surplus temperature of gas that continues to rise is after filtering dirt thermal insulation bands 9 by raw material ball 12, the surplus temperature of gas is further absorbed, and the waste gas of eliminating enters smoke evacuation chamber 28 and enters fume purifier 30 by smoke exhaust pipe 19.
Embodiment 2: as shown in Figure 2, the present embodiment difference from Example 1 is that high temperature heating device 2 is cylindrical furnace, high temperature gas flow passage in the cylindrical furnace is connected in series by the gas channel of arrangement arranged side by side and forms, and structure is compact more, forms and has saved the space when gradient heats again.In high temperature gas flow passage downside corner secondary Coal powder spray mouth 4 and three Coal powder spray mouths 5 are set respectively successively.The direction of arrow is the flow direction of high temperature gas flow.
Certainly high temperature heating device 2 also can adopt cube rod body structure or both sides that the cube rod body structure of cambered surface is arranged.
Claims (9)
1, high-temperature fluidized quick-burning reaction furnace, comprise that the top is provided with annular charging aperture, bottom and is provided with the vertical body of heater that air inlet, bottom are provided with discharging opening, it is characterized in that, the body of heater side connects heating device, heating device comprises high temperature gas flow passage and the burner that is installed on the high temperature gas flow passage, and the low-temperature airflow import of high temperature gas flow passage is connected with the body of heater middle and lower part, the high temperature gas flow outlet is connected with the body of heater middle and upper part.
2, high-temperature fluidized quick-burning reaction furnace as claimed in claim 1, it is characterized in that, the low-temperature airflow import of high temperature gas flow passage is or/and be provided with burner in the high temperature gas flow passage, the low-temperature airflow import of high temperature gas flow passage, high temperature gas flow outlet are equipped with temperature sensing device, and burner is connected with control device with temperature sensing device; The high temperature gas flow outlet of high temperature gas flow passage is connected with body of heater by the furnace sandwich air chamber.
3, high-temperature fluidized quick-burning reaction furnace as claimed in claim 1 or 2, it is characterized in that, the body of heater internal diameter of the low-temperature airflow entrance location upside of heating device is less than the body of heater internal diameter of its downside, and low-temperature airflow entrance location inboard wall of furnace body is provided with the annular low-temperature airflow passage that is communicated with the low-temperature airflow import.
4, high-temperature fluidized quick-burning reaction furnace as claimed in claim 3 is characterized in that, body of heater crown center support is provided with revolving top, and the distributing device periphery is provided with annular charging aperture.
5, high-temperature fluidized quick-burning reaction furnace as claimed in claim 4, it is characterized in that, the charging aperture bottom is interval with swash plate on the inside and outside both sides, gap between the swash plate of inside and outside both sides constitutes feeding-passage, gap between the swash plate of the outside is communicated with the furnace sandwich above the furnace sandwich air chamber, and furnace sandwich is connected with fume purifier by smoke exhaust pipe.
6, high-temperature fluidized quick-burning reaction furnace as claimed in claim 5 is characterized in that, discharging opening is provided with the discharging Tashan Mountain, is provided with middle airduct in the middle of the cat head in the Tashan Mountain, and the top of middle airduct and side are equipped with the cold wind outlet.
7, high-temperature fluidized quick-burning reaction furnace as claimed in claim 6, it is characterized in that, three layers of staggered up and down water smoke plate with holes are set in the fume purifier chamber at least, the fume purifier bottom is connected with smoke exhaust pipe and outlet pipe, outlet pipe is connected with the filtration sump, filters in the sump and is provided with water pump, and pump outlet is connected with the fume purifier top by water inlet pipe, the top of fume purifier also is provided with outlet flue, and outlet flue leads to atmosphere.
8, high-temperature fluidized quick-burning reaction furnace as claimed in claim 7, it is characterized in that, also be provided with annular cold wind import on the body of heater on the body of heater between airduct upper end and the import of heating device low-temperature airflow, the import of annular cold wind is connected with cold wind ajutage one end, the discharge nozzle that is connected with discharging opening is connected with the described cold wind ajutage other end, and described cold wind ajutage is provided with the cold wind by-pass cock.
9, high-temperature fluidized quick-burning reaction furnace as claimed in claim 8, it is characterized in that, the high temperature gas flow passage of heating device is connected in series by at least three sections gas channels arranged side by side and forms, the low-temperature airflow import department of high temperature gas flow passage is provided with burner, two junctions of turning round burner is set at least in the high temperature gas flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100173186A CN100491880C (en) | 2006-01-06 | 2006-01-06 | High-temperature fluidized quick-burning reaction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100173186A CN100491880C (en) | 2006-01-06 | 2006-01-06 | High-temperature fluidized quick-burning reaction furnace |
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| Publication Number | Publication Date |
|---|---|
| CN1995882A CN1995882A (en) | 2007-07-11 |
| CN100491880C true CN100491880C (en) | 2009-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100173186A Expired - Fee Related CN100491880C (en) | 2006-01-06 | 2006-01-06 | High-temperature fluidized quick-burning reaction furnace |
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| Country | Link |
|---|---|
| CN (1) | CN100491880C (en) |
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- 2006-01-06 CN CNB2006100173186A patent/CN100491880C/en not_active Expired - Fee Related
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| CN1995882A (en) | 2007-07-11 |
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Granted publication date: 20090527 Termination date: 20140106 |