CN101598494A - A kind of spray-drying installation and ceramic production line that utilizes using residual heat from kiln furnace - Google Patents
A kind of spray-drying installation and ceramic production line that utilizes using residual heat from kiln furnace Download PDFInfo
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- CN101598494A CN101598494A CNA2009101587322A CN200910158732A CN101598494A CN 101598494 A CN101598494 A CN 101598494A CN A2009101587322 A CNA2009101587322 A CN A2009101587322A CN 200910158732 A CN200910158732 A CN 200910158732A CN 101598494 A CN101598494 A CN 101598494A
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Abstract
The present invention discloses a kind of spray-drying installation that utilizes using residual heat from kiln furnace, comprise spray drying tower, hot-blast stove, described spray drying tower is connected by connecting pipe with described hot-blast stove, in addition, also comprise the waste heat pipe, described waste heat pipe is arranged on the described connecting pipe.The spray-drying installation of using residual heat from kiln furnace that utilizes provided by the invention can effectively utilize using residual heat from kiln furnace, and can solve the inhomogeneity problem of hot blast temperature in the spray drying tower.On the basis of spray-drying installation of the present invention, a kind of ceramic production line is provided again, comprise the press workshop, advance kiln machine and kiln, and the above-mentioned spray-drying installation that utilizes using residual heat from kiln furnace, described press workshop, advance between kiln machine, kiln and the above-mentioned spray-drying installation that utilizes using residual heat from kiln furnace to be linked in sequence.This ceramic production line can reduce the transportation power of using residual heat from kiln furnace, and can effectively avoid the loss of using residual heat from kiln furnace heat.
Description
Technical field
The present invention relates to come with heating means the field of drying solid material or goods, specifically be meant a kind of spray-drying installation and ceramic production line that utilizes using residual heat from kiln furnace.
Background technology
At present, most of ceramics factory adopts and makes powder.Spray drying tower provides the thermal source hot blast by hot-blast stove, and temperature is high more, and the thermal efficiency is high more, and hot blast is entered by cat head; By the nozzle atomization device mud (moisture content about 30%) is atomized into drop (the about 300 μ m of diameter), droplet is more little, and its total evaporation surface is big more, and rate of drying is fast more, and nozzle is installed in the middle bottom of tower body.Droplet and hot blast elder generation adverse current move upward, and move with hot blast and under flowing to again after reaching a certain height, and last material (about 8% solid particle of moisture content) is discharged from the bottom, and the hot blast after the heat exchange is discharged from the side of bottom.
How energy-conservation spray drying tower accounts for more than 22% of ceramics factory's total energy consumption, in current environmental protection and energy saving are rooted in the hearts of the people, become the task of top priority.And now general way is that heat recovery with ceramics factory's kiln is in the spray-drying operation, but the existing structure to spray drying tower does not improve, waste heat and hot air furnace hot air mix inhomogeneous, make that the hot blast temperature uniformity of input spray drying tower is not high, thereby influence the quality of material.
At present, utilize the ceramic production line of waste heat generally to receive the spray drying tower hot-blast stove of the head position of production line by production line afterbody kiln position, because pipe-line is long, not only increase the transportation power of using residual heat from kiln furnace, and cause the meaningless loss of waste heat easily, thereby make the poor effect of UTILIZATION OF VESIDUAL HEAT IN.
Summary of the invention
At above-mentioned defective, the technical problem that the present invention solves is to provide a kind of spray-drying installation that utilizes using residual heat from kiln furnace, can effectively utilize using residual heat from kiln furnace, and can solve the inhomogeneity problem of hot blast temperature in the spray drying tower.On the basis of spray-drying installation of the present invention, a kind of ceramic production line is provided again, the transportation power of using residual heat from kiln furnace can be reduced, and the loss of using residual heat from kiln furnace heat can be effectively avoided.
In order to solve above technical problem, the spray-drying installation that utilizes using residual heat from kiln furnace provided by the invention, comprise spray drying tower, hot-blast stove, described spray drying tower is connected by connecting pipe with described hot-blast stove, this spray-drying installation also comprises the waste heat pipe, and described waste heat pipe is arranged on the described connecting pipe.
Preferably, form acute angle between described waste heat pipe and the described connecting pipe.
Preferably, described connecting pipe is provided with and is used to mix using residual heat from kiln furnace and hot air furnace hot air deflection plate.
Preferably, described deflection plate is arranged on the interface of described connecting pipe and described waste heat pipe.
Preferably, described waste heat pipe adopts stainless steel material to make outside covering and heat insulating layer; Described connecting pipe adopts stainless steel material to make outside covering and heat insulating layer.
Preferably, described hot-blast stove is provided with cold wind dispensing valve.
Preferably, described waste heat pipe is provided with electronic push-pull valve valve.
Preferably, also comprise thermometer, be arranged on described waste heat pipe and the connecting pipe.
In addition, on the basis of the above-mentioned spray-drying installation that utilizes using residual heat from kiln furnace that provides, the present invention provides a kind of ceramic production line again, comprise the press workshop, advance kiln machine and kiln, this ceramic production line is also wrapped the spray-drying installation of stating that utilizes using residual heat from kiln furnace, described press workshop, advances between kiln machine, kiln and the above-mentioned spray-drying installation that utilizes using residual heat from kiln furnace to be linked in sequence.
The spray-drying installation that utilizes using residual heat from kiln furnace provided by the invention, the waste heat pipe is set on the connecting pipe between spray drying tower and the hot-blast stove again, waste heat was converged with hot air furnace hot air before entering spray drying tower, and after carrying out certain mixing on the connecting pipe, entering the dry powder of spray drying tower, thereby in solving spray drying tower, on the basis of the inhomogeneity problem of hot blast temperature, effectively utilized using residual heat from kiln furnace again.
Especially, the interface of connecting pipe and waste heat pipe is provided with deflection plate, can further mix using residual heat from kiln furnace and hot air furnace hot air, guarantees to enter the uniformity of hot blast temperature in the spray drying tower.
In addition, on the basis of the above-mentioned spray-drying installation that utilizes using residual heat from kiln furnace that provides, the present invention provides a kind of ceramic production line again, changes common practices of the prior art, spray-drying installation is directly installed on the afterbody of production line, be connected with kiln, can not only can reduce the transportation power of waste heat, energy savings so that kiln can shorten to the distance of spray-drying installation like this, and can reduce the deadweight loss of waste heat heat on the pipeline owing to the shortening of pipeline length.
Description of drawings
Fig. 1 is the structural representation that utilizes the spray-drying installation of using residual heat from kiln furnace in the embodiment of the invention;
Fig. 2 is the structured flowchart of ceramic production line in the embodiment of the invention.
The specific embodiment
For those skilled in the art can understand technical scheme provided by the present invention better, set forth below in conjunction with specific embodiment.
See also Fig. 1, Fig. 1 is the structural representation that utilizes the spray-drying installation of using residual heat from kiln furnace in the embodiment of the invention.
The spray-drying installation that utilizes using residual heat from kiln furnace provided by the invention, comprise spray drying tower 4, hot-blast stove 5, spray drying tower 4 is connected by connecting pipe 9 with hot-blast stove 5, this spray-drying installation also comprises waste heat pipe 7, waste heat pipe 7 is arranged on the connecting pipe 9, is used for using residual heat from kiln furnace is delivered on the connecting pipe 9 converging with hot air furnace hot air.Form acute angle angle a between waste heat pipe 7 and the connecting pipe 9, connecting pipe 9 is provided with deflection plate 10 with the interface of waste heat pipe 7, near waste heat and the hot air furnace hot air flow velocity deflection plate 10 can pause and slow down, can better mixing waste heat and hot air furnace hot air, guarantee the uniformity of the hot blast temperature of input spray drying tower.
Hot-blast stove 5 is provided with cold wind dispensing valve, and waste heat pipe 7 is provided with electronic push-pull valve valve 6.When bootstrap system also drops into practicality, there is not waste heat in the waste heat pipe 7, the electronic push-pull valve valve 6 of available waste heat pipe 7 can be avoided 7 seals for pipe joints of waste heat pipe hot air furnace hot air to pour in down a chimney and enter in the waste heat pipe 7 at this moment, causes the consumption of hot air furnace hot air; When bootstrap system moves, open the electronic push-pull valve valve 6 of waste heat pipe 7, waste heat in the waste heat pipe 7 can converge, mix with hot air furnace hot air, enter spray drying tower 4 inner drying materials, the valve of the cold wind of hot-blast stove 5 dispensing simultaneously will cut out, and the hot stove burner 1 fuel supply of hot-blast stove 5 can be turned down automatically.Spray-drying installation also comprises two thermometers 8, a temperature that is arranged on test waste heat on the waste heat pipe, another is arranged on the connecting pipe, be used to test the mixed temperature of waste heat and hot air furnace hot air, and regulate the size of cold wind dispensing valve and the open and close of electronic push-pull valve valve according to the temperature displayed of the two.
Hot blast after mixing is gone into by spray drying tower 4 jackings, by nozzle atomization device 3 slurry atomization is become drop.Nozzle atomization device 3 is installed in the middle bottom of tower body.Droplet and hot blast elder generation adverse current move upward, and move with hot blast and under flowing to again after reaching a certain height, and last material is discharged from the bottom, and the hot blast after the heat exchange is discharged from the side of bottom by blower fan 2.
See also Fig. 2, Fig. 2 is the structured flowchart of ceramic production line in the embodiment of the invention.
In addition, on the basis of the above-mentioned spray-drying installation that utilizes using residual heat from kiln furnace that provides, the present invention provides a kind of ceramic production line again, comprise the press workshop, advance kiln machine and kiln, this ceramic production line is also wrapped the spray-drying installation of stating that utilizes using residual heat from kiln furnace, described press workshop, advances between kiln machine, kiln and the above-mentioned spray-drying installation that utilizes using residual heat from kiln furnace to be linked in sequence.This production line is directly installed on spray-drying installation the afterbody of production line, be connected with kiln, like this can be so that kiln can shorten pipeline length about 30% to the distance of spray-drying installation, not only can reduce the transportation power of waste heat, energy savings, and can reduce the deadweight loss of waste heat heat on the pipeline owing to the shortening of pipeline length.
Certainly, the above only is a preferred implementation of the present invention, should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1, a kind of spray-drying installation that utilizes using residual heat from kiln furnace comprises spray drying tower, hot-blast stove, and described spray drying tower is connected by connecting pipe with described hot-blast stove, it is characterized in that, also comprises the waste heat pipe, and described waste heat pipe is arranged on the described connecting pipe.
2, the spray-drying installation that utilizes using residual heat from kiln furnace according to claim 1 is characterized in that, forms acute angle between described waste heat pipe and the described connecting pipe.
3, the spray-drying installation that utilizes using residual heat from kiln furnace according to claim 1 is characterized in that, described connecting pipe is provided with and is used to mix using residual heat from kiln furnace and hot air furnace hot air deflection plate.
4, the spray-drying installation that utilizes using residual heat from kiln furnace according to claim 3 is characterized in that, described deflection plate is arranged on the interface of described connecting pipe and described waste heat pipe.
5, the spray-drying installation that utilizes using residual heat from kiln furnace according to claim 1 is characterized in that, described waste heat pipe adopts stainless steel material to make outside covering and heat insulating layer; Described connecting pipe adopts stainless steel material to make outside covering and heat insulating layer.
6, the spray-drying installation that utilizes using residual heat from kiln furnace according to claim 1 is characterized in that, described hot-blast stove is provided with cold wind dispensing valve.
7, the spray-drying installation that utilizes using residual heat from kiln furnace according to claim 1 is characterized in that, described waste heat pipe is provided with electronic push-pull valve valve.
8, the spray-drying installation that utilizes using residual heat from kiln furnace according to claim 1 is characterized in that, also comprises thermometer, is arranged on described waste heat pipe and the connecting pipe.
9, a kind of ceramic production line, comprise the press workshop, advance kiln machine and kiln, it is characterized in that, also comprise each described spray-drying installation that utilizes using residual heat from kiln furnace of claim 1～8, described press workshop, advance between kiln machine, kiln and the described spray-drying installation that utilizes using residual heat from kiln furnace to be linked in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101587322A CN101598494A (en) | 2009-07-03 | 2009-07-03 | A kind of spray-drying installation and ceramic production line that utilizes using residual heat from kiln furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101587322A CN101598494A (en) | 2009-07-03 | 2009-07-03 | A kind of spray-drying installation and ceramic production line that utilizes using residual heat from kiln furnace |
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| CN101598494A true CN101598494A (en) | 2009-12-09 |
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| CNA2009101587322A Pending CN101598494A (en) | 2009-07-03 | 2009-07-03 | A kind of spray-drying installation and ceramic production line that utilizes using residual heat from kiln furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818988A (en) * | 2010-05-14 | 2010-09-01 | 长沙超牌机器有限公司 | Strong air-stream spraying drier |
| CN102748956A (en) * | 2012-07-06 | 2012-10-24 | 广东中窑窑业股份有限公司 | Method and device for recovering and utilizing kiln waste heat by spray drying tower in ceramic industry |
| CN104634123A (en) * | 2014-12-30 | 2015-05-20 | 广东萨米特陶瓷有限公司 | Roller kiln and spray tower negative pressure exhaust pipeline emergency emptying mechanics mechanism |
| CN104815509A (en) * | 2015-05-06 | 2015-08-05 | 卢爱玲 | Environmental-protective treatment system of waste gas from ceramic kiln and spray drying column |
-
2009
- 2009-07-03 CN CNA2009101587322A patent/CN101598494A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818988A (en) * | 2010-05-14 | 2010-09-01 | 长沙超牌机器有限公司 | Strong air-stream spraying drier |
| CN102748956A (en) * | 2012-07-06 | 2012-10-24 | 广东中窑窑业股份有限公司 | Method and device for recovering and utilizing kiln waste heat by spray drying tower in ceramic industry |
| CN104634123A (en) * | 2014-12-30 | 2015-05-20 | 广东萨米特陶瓷有限公司 | Roller kiln and spray tower negative pressure exhaust pipeline emergency emptying mechanics mechanism |
| CN104634123B (en) * | 2014-12-30 | 2016-08-31 | 广东萨米特陶瓷有限公司 | A kind of roller way kiln spray tower negative pressure pump drainage wind pipeline is emergent empties mechanics mechanism |
| CN104815509A (en) * | 2015-05-06 | 2015-08-05 | 卢爱玲 | Environmental-protective treatment system of waste gas from ceramic kiln and spray drying column |
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Open date: 20091209 |