CN202376779U - High-efficiency, energy-saving and environmental-protecting spray drying tower - Google Patents
High-efficiency, energy-saving and environmental-protecting spray drying tower Download PDFInfo
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- CN202376779U CN202376779U CN2011203206332U CN201120320633U CN202376779U CN 202376779 U CN202376779 U CN 202376779U CN 2011203206332 U CN2011203206332 U CN 2011203206332U CN 201120320633 U CN201120320633 U CN 201120320633U CN 202376779 U CN202376779 U CN 202376779U
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Abstract
The utility model discloses a high-efficiency, energy-saving and environmental-protecting spray drying tower which comprises an air heating furnace (1), a gas burner (2), a tower body (5), an air distribution device (3), an air suction pipe (6) and a water atomization pipe (8), wherein the gas burner (2) is mounted in the air heating furnace (1), and is 900 to 1000 mm from the bottom of the air heating furnace (1); the cylindrical part of the tower body (5) is heightened to 9 to 10 m; the air distribution device (3) is mounted at the top of the tower body (5), and is arranged in a multi-layered manner; the air suction pipe (6) is mounted at a part that is 750 to 800 mm from the bottom of the cylindrical part of the tower body (5); and the water atomization pipe (8) adopts a multi-layered water atomization annular ring pipe. Through the use of the spray drying tower, not only the requirement of enlarged production capacity to equipment can be met, but also the emission of heat is reduced; meanwhile, the content of micro powder particles in water stream is reduced, and the raw material is fully utilized while the environmental pollution is reduced.
Description
Technical field
The utility model relates to a kind of spray drying tower, relates in particular to a kind of high-efficient energy-saving environment friendly spray drying tower.
Background technology
Daily-use chemical industry, build Tao Hangye and utilize spray drying tower that the aqueous slurry atomization drying is become graininess material powder, existing spray drying tower comprises body of the tower, air devider, hot-blast stove coal gas burner, spray gun, aspiration channel, water atomization pipe, and body of the tower height, institute's materials used, inner each parts of body of the tower such as are provided with at structure; Caused spray drying tower linear on output and energy consumption, like 5000 types, 6000 type spray drying towers commonly used now, output high energy consumption more is high more; When output reaches certain amount; The draft increase of air-introduced machine is very big, causes that negative pressure increases in the tower, temperature of outgoing air up to 110 ℃～130 ℃; Cause a large amount of heat energy to be discharged from and waste energy; Because negative pressure is excessive, the material powder particles of extraction is just many simultaneously, contains the micro powder granule of some in the steam of discharging after the wet-treating; Cause waste of raw materials on the one hand, again atmospheric environment is worked the mischief on the other hand.
Summary of the invention
For addressing the above problem, the utility model provides a kind of production capacity that can satisfy expansion, reduces the discharging of heat again, reduces the high-efficient energy-saving environment friendly spray drying tower of micro powder granule in the water vapour simultaneously.
For achieving the above object, the technical scheme that the utility model adopted is: a kind of high-efficient energy-saving environment friendly spray drying tower, comprise hot-blast stove, coal gas burner, body of the tower, air devider, aspiration channel, water atomization pipe, and it is characterized in that:
Coal gas burner is installed in the hot-blast stove, is 900～1000mm apart from hot-blast stove furnace bottom position, and coal gas is fully burned, and increases hot blast rate, and hot blast can be got in the tower with bigger pressure, reduces negative pressure draft in the tower;
Body of the tower cylindrical tower height degree rises to 9～10m, hot blast and slurry lengthening swap time that hot-blast stove is brought, and hot blast is more even, rapid evaporation slurry moisture;
Air devider is installed in the body of the tower top, and multilayer is set, and makes hot blast stronger in the rotation of air devider inside spin, is convenient to the even distribution of hot blast, and slurry drying moisture is even when crossing with slip, and output increases;
Aspiration channel is installed in apart from 750～800mm place, body of the tower cylindrical tower body bottom, reduces the powder particle that sucks, and reduces air draft negative pressure and temperature of outgoing air;
The water atomization pipe adopts multilayer water atomization annular ring pipeline, the micro mist of discharging is discharged through water dilution postprecipitation recycle.
The beneficial effect of the utility model is: hot blast and slurry lengthening swap time that the body of the tower after 1, improving is brought hot-blast stove, and more even, accelerated the evaporation of slurry moisture, reduced energy resource consumption; 2, the raising of hot-blast stove coal gas burner position is fully burned coal gas, and hot blast can be got in the tower with bigger pressure, reduces negative pressure draft in the tower; 3, multilayer air devider makes hot blast stronger in the rotation of air devider inside spin, and slurry drying moisture is even when crossing with slip, has increased output; 4, the raising of aspiration channel installation site reduces the powder particle that sucks, and reduces air draft negative pressure and temperature of outgoing air; 5, multilayer water atomization annular ring pipeline, discharge recycles through water dilution postprecipitation with the micro mist of discharging, and has utilized raw material when having reduced environmental pollution fully.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described.
Fig. 1 is the sketch map of the utility model.
Among the figure: 1, hot-blast stove, 2, coal gas burner, 3, air devider, 4, spray gun, 5, body of the tower, 6, aspiration channel, 7, cyclone dust collectors, 8, the water atomization pipe.
The specific embodiment
Embodiment 1
A kind of high-efficient energy-saving environment friendly spray drying tower as shown in Figure 1 improves on traditional 6000 type spray drying tower bases, comprises hot-blast stove 1, coal gas burner 2, body of the tower 5, air devider 3, aspiration channel 6, water atomization pipe 8; Coal gas gets into hot-blast stove 1 with combustion air mixed combustion, and coal gas burner 2 is installed in the hot-blast stove 1, is 1000mm apart from the furnace bottom position; Coal gas is fully burned; Increase hot blast rate, hot blast can be got in the tower with bigger pressure, reduce negative pressure draft in the tower; Spray drying tower body of the tower 5 cylindrical tower height degree are risen to 1.2 times of traditional 6000 type spray drying tower body of the tower cylindrical tower height degree; This moment, body of the tower 5 cylindrical tower heights were 10m; Hot blast and slurry lengthening swap time that hot-blast stove is brought; And hot blast is more even, rapid evaporation slurry moisture; Air devider 3 is installed in body of the tower 5 tops, and multilayer is set, and cat head air devider 3 is provided with three layers when improving traditional 6000 type spray drying towers; Select the thick stainless-steel sheet of 5mm for use, make hot blast stronger, more evenly distribute in the rotation of air devider 3 inside spins; Slurry drying is even when crossing with slip, and output increases; Intersegmental part adopts the thick alumina silicate heat-preservation cotton of high-quality 220mm in the body of the tower 5, is coated with one deck nano thermal insulation coating outward, and the outside is selected the 2mm steel plate for use, reduces the thermal loss of body of the tower 5; Slurry is flowed in the spray gun 4 by mud tube when plunger displacement pump pressure-raising to the 1.2Mpa left and right sides; Slurry makes progress and the hot blast heat-shift in spray gun 4 atomizing after dividing the slurry rotation, and be provided with spray gun 4 quantity this moment is 48, and spray gun 4 angles are set to 105 °; Spray gun 4 bending height are can spray De Genggao after 400mm makes the slurry atomizing; Make full use of the heat of upper strata hot blast, reduce swap time, to improve production capacity; Aspiration channel 6 is installed in the place apart from the following 800mm of body of the tower 5 cylindrical bottom portion, to reduce the powder particle that sucks, reduces the air draft negative pressure, reduces temperature of outgoing air (temperature of outgoing air is reduced to 85～90 ℃ by 120 ℃); Water vapour and a small amount of micro mist are expelled to cyclone dust collectors 7 through aspiration channel 6; After the cyclone dust removal, remain and adopt four layers of water atomization annular ring pipeline 8 when a small amount of micro mist and steam are discharged, the micro mist of discharging is discharged through water dilution postprecipitation; The mud powder of discharging continues to use as raw material; Water injects ball mill through post precipitation and recycles, and reduces the discharging of water and the waste of powder greatly, improves recycling of raw material.
Spray drying tower after the improvement is compared with 6000 traditional type spray drying towers, produces the powder amount than having increased by 36% (750 tons of the dailys output, and the 6000 traditional type spray drying tower dailys output are only about 550 tons); Energy consumption is low, and ton powder consumption coal reduces 10kg than 6000 traditional type spray drying towers.
A kind of high-efficient energy-saving environment friendly spray drying tower as shown in Figure 1 improves on traditional 5000 type spray drying tower bases, comprises hot-blast stove 1, coal gas burner 2, body of the tower 5, air devider 3, aspiration channel 6, water atomization pipe 8; Coal gas gets into hot-blast stove 1 with combustion air mixed combustion, and coal gas burner 2 is installed in the hot-blast stove 1, is 900mm apart from the furnace bottom position; Coal gas is fully burned; Increase hot blast rate, hot blast can be got in the tower with bigger pressure, reduce negative pressure draft in the tower; Spray drying tower body of the tower 5 cylindrical tower height degree are risen to 1.1 times of traditional 5000 type spray drying tower body of the tower cylindrical tower height degree; This moment, body of the tower 5 cylindrical tower heights were 9m; Hot blast and slurry lengthening swap time that hot-blast stove is brought; And hot blast is more even, rapid evaporation slurry moisture; Air devider 3 is installed in body of the tower 5 tops, and multilayer is set, and cat head air devider 3 is provided with two-layer when improving traditional 5000 type spray drying towers; Select the thick stainless-steel sheet of 5mm for use, make hot blast stronger, more evenly distribute in the rotation of air devider 3 inside spins; Slurry drying is even when crossing with slip, and output increases; Intersegmental part adopts the thick alumina silicate heat-preservation cotton of high-quality 220mm in the body of the tower 5, is coated with one deck nano thermal insulation coating outward, and the outside is selected the 2mm steel plate for use, reduces the thermal loss of body of the tower 5; Slurry is flowed in the spray gun 4 by mud tube when plunger displacement pump pressure-raising to the 1.0Mpa left and right sides; Slurry makes progress and the hot blast heat-shift in spray gun 4 atomizing after dividing the slurry rotation, and be provided with spray gun 4 quantity this moment is 40, and spray gun 4 angles are set to 115 °; Spray gun 4 bending height are can spray De Genggao after 350mm makes the slurry atomizing; Make full use of the heat of upper strata hot blast, reduce swap time, to improve production capacity; Aspiration channel 6 is installed in the place apart from the following 750mm of body of the tower 5 cylindrical bottom portion, to reduce the powder particle that sucks, reduces the air draft negative pressure, reduces temperature of outgoing air (temperature of outgoing air is reduced to 85～90 ℃ by 120 ℃); Water vapour and a small amount of micro mist are expelled to cyclone dust collectors 7 through aspiration channel 6; After the cyclone dust removal, remain and adopt four layers of water atomization annular ring pipeline 8 when a small amount of micro mist and steam are discharged, the micro mist of discharging is discharged through water dilution postprecipitation; The mud powder of discharging continues to use as raw material; Water injects ball mill through post precipitation and recycles, and reduces the discharging of water and the waste of powder greatly, improves recycling of raw material.
Spray drying tower after the improvement is compared with 5000 traditional type spray drying towers, produces the powder amount than having increased by 30% (650 tons of the dailys output, and the 5000 traditional type spray drying tower dailys output are only about 500 tons); Energy consumption is low, and ton powder consumption coal reduces 8kg than 5000 traditional type spray drying towers.
Claims (6)
1. high-efficient energy-saving environment friendly spray drying tower; Comprise hot-blast stove (1), coal gas burner (2), body of the tower (5), air devider (3), aspiration channel (6), water atomization pipe (8); It is characterized in that: coal gas burner (2) is installed in the hot-blast stove (1), is 900～1000mm apart from hot-blast stove (1) furnace bottom position; Body of the tower (5) cylindrical tower height degree rises to 9～10m; Air devider (3) is installed in body of the tower (5) top, and multilayer is set; Aspiration channel (6) is installed in apart from 750～800mm place, body of the tower (5) cylindrical tower body bottom; Water atomization pipe (8) adopts multilayer water atomization annular ring pipeline.
2. high-efficient energy-saving environment friendly spray drying tower according to claim 1 is characterized in that: air devider (3) is selected the thick stainless-steel sheet of 5mm for use.
3. high-efficient energy-saving environment friendly spray drying tower according to claim 1 is characterized in that: when body of the tower (5) cylindrical tower height was 10m, air devider (3) was provided with three layers; When body of the tower (5) cylindrical tower height was 9m, air devider (3) was provided with two-layer.
4. high-efficient energy-saving environment friendly spray drying tower according to claim 1 is characterized in that: the intersegmental part nexine adopts the thick alumina silicate heat-preservation cotton of 220mm in the body of the tower (5), outer nano thermal insulation coating, and the outside is selected the 2mm steel plate for use.
5. high-efficient energy-saving environment friendly spray drying tower according to claim 1 is characterized in that: when spray gun (4) bending height was 400mm, spray gun (4) angle was set to 105 °; When spray gun (4) bending height was 350mm, spray gun (4) angle was set to 115 °.
6. high-efficient energy-saving environment friendly spray drying tower according to claim 1 is characterized in that: water atomization pipe (8) adopts four layers of annular ring pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203206332U CN202376779U (en) | 2011-07-30 | 2011-07-30 | High-efficiency, energy-saving and environmental-protecting spray drying tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203206332U CN202376779U (en) | 2011-07-30 | 2011-07-30 | High-efficiency, energy-saving and environmental-protecting spray drying tower |
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| Publication Number | Publication Date |
|---|---|
| CN202376779U true CN202376779U (en) | 2012-08-15 |
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| CN2011203206332U Expired - Fee Related CN202376779U (en) | 2011-07-30 | 2011-07-30 | High-efficiency, energy-saving and environmental-protecting spray drying tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350066A (en) * | 2011-07-30 | 2012-02-15 | 淮北市惠尔普建筑陶瓷有限公司 | Efficient energy-saving environmentally-friendly spraying drying tower |
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2011
- 2011-07-30 CN CN2011203206332U patent/CN202376779U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350066A (en) * | 2011-07-30 | 2012-02-15 | 淮北市惠尔普建筑陶瓷有限公司 | Efficient energy-saving environmentally-friendly spraying drying tower |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20130730 |