CN203577342U - White carbon black spray drying system - Google Patents
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- CN203577342U CN203577342U CN201320671077.2U CN201320671077U CN203577342U CN 203577342 U CN203577342 U CN 203577342U CN 201320671077 U CN201320671077 U CN 201320671077U CN 203577342 U CN203577342 U CN 203577342U
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Abstract
The utility model provides a white carbon black spray drying system. The system comprises a gas turbine, wherein a gas inlet of the gas turbine is connected with a gas source; a waste gas outlet of the gas turbine is communicated with a direct combustion type hot blast heater; a high-temperature gas outlet of the hot blast heater is communicated with a gas inlet of a drying tower; a material inlet of the drying tower is communicated with a slurry tank; an outlet of the drying tower is communicated with an inlet of a gas-solid separator; a gas outlet of the gas-solid separator is connected with a wastewater recovery system. Clean gas and air are fed into the gas turbine for combustion, the gas turbine generates power by virtue of high-grade heat energy, clean low-grade low-temperature flue gas serves as a main heat source of the drying tower, and thus the high-efficiency gradient utilization of energy is realized; clean high-temperature hot air is generated by the direct combustion type hot blast heater and is used for directly heating white carbon black slurry, the drying thermal efficiency is high, a high-temperature-resistant stainless steel tube heat exchanger, which is necessary for an indirect heating fuel coal high-temperature hot blast heater, is omitted, the problem that a high-temperature heat exchanger is high in failure rate and high in price is solved, and the white carbon black spray drying system is high in reliability and low in operation and maintenance cost.
Description
Technical field
The utility model relates to using energy source and dry field, particularly a kind of white carbon spray drying system.
Background technology
(1) the production feature of white carbon
White carbon is a kind of white, nontoxic, amorphous fine powder, its SiO
2content is greater than 90%, and chemical stability is good, high temperature resistant, do not burn, the excellent specific property such as nonpoisonous and tasteless and electrical insulating property is good.The purposes of white carbon is very extensive, can be used as reinforcing agent for rubber and tire (as off-the-road tyre, radial, rubber overshoes, bicycle color tyre, latex product etc.), as dispersant and carrier, be widely used in medicine, agricultural chemicals, solid fire-fighting quipment, coating and ink, can also be used in agricultural chemicals, feed etc. and make carrier or flow promortor, in toothpaste, be used as rubbing agent and thickener, in coating, make sedimentation agent and delustering agent, in paper, make filler etc.
On market, common white carbon mainly contains two kinds of fume colloidal silica and precipitated silicas, wherein precipitated silica raw materials used cheap, be easy to get, production technology and equipment are comparatively simple, product price is low, accounts at present 85% left and right of product population.The white carbon industry of China was produced and have been experienced fast development process since 1958, and by 2011, there was family more than 60 in the enterprise that is directly engaged in white carbon black production, and a year total productive capacity reaches approximately 1,450,000 tons, and the total output of external white carbon 1,000,000 tons of less thaies also then.Expect 2015, the production capacity of Chinese white carbon black will be over 1,700,000 tons.
The master operation of white carbon black production: reaction, press filtration and dry.Reaction process is produced and is contained the sedimentary thick slurries of white carbon; Press filtration operation is carried out Separation of Solid and Liquid processing to thick slurries, produces the filter cake that moisture content is 78% to 85% left and right, and drying process heats, also evaporates and remove most of moisture in filter cake filter cake, produces the white carbon finished product of moisture content 3% to 8% left and right.
Along with the expansion of white carbon black production scale, the increase of white carbon purposes, white carbon drying process must meet following requirement:
(1) product must reach higher purity, especially in dry run, can not sneak into impurity.
(2) drying process requires higher dry heat efficiency.In the drying process of white carbon black production, it need to be the white carbon black product that the pasty state slurry dried of 80% left and right becomes moisture content 5% left and right by moisture content, produce one ton of white carbon black product and just need to evaporate the water yield of 3.75 tons, need to consume a large amount of heat energy and electric energy, belong to highly energy-consuming product, drying process accounts for produces the more than 80% of total energy consumption.Therefore, higher dry heat efficiency not only can fuel saving cost, can also effectively reduce because reduce fuel consumption the discharge capacity of atmosphere pollution.
(3) drying equipment must have enough large output, and the automatization level of equipment is high, produce continuously stable and reliable operation, failure rate is low.
In order to meet above-mentioned (1) bar requirement, generally adopt at present indirect-heating hot air stove: coal burning produces the high-temperature flue gas that contains a large amount of coal ash, the pure air of indirect tube wall opposite side, clean hot-air enters in drying machine and white carbon wet feed direct contact heat transfer, makes the moisture evaporation in wet feed.
In order to meet above-mentioned (2) bar requirement, need to improve the hot blast initial temperature that enters into drying machine.When hot blast temperature rises to 700 ℃ from 200 ℃, dry heat efficiency can rise to 88% from 50%.
(2) white carbon dry technology present situation
Box-type drying technology, roller drying technology, Rotary Flash Drying and the heat pipe dry technology of the white carbon of the 1980s and the nineties exploitation, there is following shortcoming: the entrance hot blast temperature of drying machine is all lower than 600 ℃, and dry heat efficiency is on the low side; The automaticity of dry run is low, hand labor intensity is large, single machine yield is low, can not realize continuous production etc.These dry technologies are eliminated by Chinese market gradually.
Along with high temperature resistant stainless steel material (as: 310S) production technology is ripe, produce the indirect-heating hot air stove of hot blast temperature up to 750 ℃ and start to put goods on the market, dry heat efficiency can be up to more than 85%.Use the fire coal that price is lower to be widely applied as the high temperature hot-blast furnace of the indirect of heat exchanger as fuel, use high temperature resistant stainless steel; Spray drying technology have be easy to realize automatic control, output high, can realize the advantages such as continuous production.At present, using fire coal by fuel, use high temperature resistant stainless steel by the large-scale production business of Chinese white carbon black, to be adopted as the spray drying technology of the indirect heated high-temp. hot of heat exchanger, have that fuel price is low, dry heat efficiency is high, a consecutive production, output advantages of higher.But the high temperature hot-blast furnace spray drying technology of this high temperature resistant stainless steel indirect has the following disadvantages:
(1) adopt the mode of indirect to utilize the clean air of coal-fired high-temperature flue gas indirect, must make to have certain heat transfer temperature difference between high-temperature flue-gas and hot blast temperature, the thermal efficiency reduces;
(2) although heat-resistance stainless steel (as 310S) can bear certain high temperature, flue-gas temperature up to more than 800 ℃ hot conditions under heat exchange, the life-span is very limited, fault rate and the operation and maintenance cost of hot-blast stove are high;
(3) what the heat-resistance stainless steel pipe both sides of indirect heat exchange hot-blast stove were passed through is all gas, between gas, the integrated heat transfer coefficient of indirect heat exchange is low, in order to complete the exchange of certain heat, need very large heat exchange area, not only floor space is large, and due to expensive (up to more than 80,000 yuan/ton) of heat-resistance stainless steel, the cost of hot-blast stove is high.
(4) there is the emission problem of the atmosphere pollutions such as sulfur dioxide, nitrogen oxide, dust in coal-fired hot-blast stove, and hot-blast stove local environment is caused to adverse effect.In China, current Air Pollutant Emission total amount requires under strict condition, and the coal-fired hot-blast stove project in a lot of areas can not be passed through environmental impact assessment, applies and is restricted.
In addition, in the composition of white carbon slurries, 70% to 80% composition is moisture, and these moisture are transformed into water vapour, with flue gas, are directly discharged in atmosphere in slurry dried process, cause the waste of water resource.
Utility model content
The purpose of this utility model is to overcome prior art defect, and a kind of energy that makes full use of is provided, and dry heat efficiency is high, simple in structure, Air Pollutants Emissions is few, realize the white carbon spray drying system that in flue gas, waste water reclaims.
For achieving the above object, the technical solution adopted in the utility model is:
A white carbon spray drying system, comprises combustion machine, and combustion machine is connected with generator, and the fuel gas inlet of described combustion machine is connected with fuel gas source after gas filter is installed, and combustion machine air intake place is provided with air cleaner; Combustion engine waste gas outlet is connected with direct combustion type hot air stove cryogenic gas entrance, after directly the burner in combustion type hot air stove is installed gas filter, by pipeline, be connected with fuel gas source, the outlet of hot-blast stove high-temperature gas is communicated with drying tower gas access, drying tower material inlet is communicated with white carbon slurries carrier pipe, drying tower outlet is communicated with gas-solid separator entrance, and gas-solid separator gas vent is connected with sewage recovering system.
Described sewage recovering system comprises spray column, gas-solid separator gas vent is communicated with spray column gas access through air-introduced machine, spray column inside is disposed with demister, spray head and collecting-tank from top to bottom, collecting-tank is connected with cold technique water pipe, thermal process water pipe and circulating water pipe respectively, circulating pump is set on circulating water pipe and is connected with spray head.
Described drying tower material inlet place is provided with atomizer, and white carbon slurries carrier pipe is communicated with atomizer, on white carbon slurries carrier pipe, slush pump is set, and slush pump porch is provided with slurries filter.
Place, described drying tower gas access is provided with hot air distributor, and directly the outlet of combustion type hot air stove high-temperature gas is communicated with drying tower hot air distributor.
Compared with prior art the utlity model has following advantage:
(1) combustion machine fuel gas inlet and air intake place arrange filter, clean combustion gas and air are sent into the burning of combustion machine, combustion machine utilizes high-grade heat energy power-generating, clean low-grade low-temperature flue gas is as the main thermal source of the drying tower for dry white carbon, the step of having realized the energy efficiently utilizes, save the fuel cost of white carbon dry run, realized energy-saving and emission-reduction.
(2) adopt direct combustion type hot air stove, on the inlet gas pipe of hot-blast stove, gas filter is set, enter the clean low-temperature flue gas that contains a large amount of oxygen of hot-blast stove and clean fuel gas buring, produce clean high-temperature hot-air, enter the direct heating white carbon black slurry of drying tower, can not pollute white carbon black product, dry heat efficiency is high; Directly combustion type hot air stove does not need the heat exchanger of indirect heat exchange, does not have heat transfer temperature difference, and the thermal efficiency is high.
(3) direct combustion type hot air stove directly burns and produces clean high-temperature hot-air, saves the high temperature resistant stainless steel heat exchange of heat pipe that the coal-fired high temperature hot-blast furnace of indirect must adopt, and the cost of hot-blast stove significantly reduces, and system bulk is little, floor space is little; Owing to not existing operating temperature at more than 800 ℃ high-temperature heat-exchanging, solved the high problem of high-temperature heat-exchanging fault rate, the continuous cycle of operation is long, and equipment reliability is high, operation and maintenance cost is low.
(4) adopt clean combustion gas as fuel, solved the coal-fired high temperature hot-blast furnace fired coal combustion of traditional indirect and discharged the pollution problem that a large amount of sulfur dioxide, nitrogen oxide, dust etc. cause local environment.
(5) spray drying technology that employing technology is relatively ripe, the output of white carbon can increase substantially, and the production capacity of wall scroll white carbon black production line can be up to producing 60000 tons per year.
Further, utilize spray column, to entering the hot flue gas spray cooling of spray column, make the water recovery in flue gas become water and collect in collecting-tank, realize the waste water in flue gas is recycled, realized recycling of water resource.
In the utility model, tradition for gas cleaning plant spray column be used as waste water reclaiming device, not only reclaimed large quantity of moisture in hot flue gas, and reduced the temperature of flue gas, alleviate the harm that high-temperature flue gas discharge causes environment, the waste water reclaiming can be used as the fresh water (FW) use that white carbon black production is used, saving water resource.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-fuel gas source, 2-Gas Pipe, 3-gas filter, 4-burner, 5-high-temperature flue, 6-drying tower, 7-material gas passage, 8-gas-solid separator, 9-discharge gate, 10-air-introduced machine, the cold technique water pipe of 11-, 12-collecting-tank, 13-thermal process water pipe, 14-circulating pump, 15-circulating water pipe, 16-spray head, 17-demister, 18-spray column, 19-serum pot, 20-slurries filter, 21-slush pump, 22-slurry pipe, 23-atomizer, 24-hot air distributor, the direct combustion type hot air stove of 25-, 26-low temperature flue, 27-generator, 28-fires machine, 29-air cleaner, 30-blast pipe.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1, the utility model mainly comprises combustion machine 28, Gas Pipe 2 and gas filter 3, blast pipe 30 and air cleaner 29, direct combustion type hot air stove 25, drying tower 6, gas-solid separator 8, serum pot 19, spray column 18 etc.
The fuel gas inlet of described combustion machine 28 is connected with fuel gas source 1 by Gas Pipe 2, gas filter 3 is set in Gas Pipe 2, the air intake of combustion machine 28 is connected with blast pipe 30, air filtration 29 is set on blast pipe 30, combustion machine 28 is connected with generator 27, combustion machine 28 is connected with direct combustion type hot air stove 25 cryogenic gas entrances by low temperature flue 26, directly combustion type hot air stove 25 arranges burner 4, and by being set, the Gas Pipe 2 of gas filter 3 is connected with fuel gas source 1, directly combustion type hot air stove 25 is connected with drying tower 6 gas accesses by high-temperature flue 5, drying tower 6 is connected with gas-solid separator 8 entrances by material gas passage 7, gas-solid separator 8 arranges discharge gate 9, its gas vent is connected with air-introduced machine 10.Drying tower 6 is installed hot air distributor 24 and atomizer 23, and hot air distributor 24 is connected with high-temperature flue 5, and atomizer 23 is connected with serum pot 19 by slurry pipe 22, and slush pump 21 is set on slurry pipe 22, and slush pump 21 entrances arrange slurries filter 20.The gas approach of described spray column 18 bottoms is connected with gas-solid separator 8 gas vents by air-introduced machine 10, the collecting-tank 12 of spray column 18 bottoms is connected with cold technique water pipe 11, thermal process water pipe 13 and circulating water pipe 15 respectively, circulating pump 14 is set on circulating water pipe 15 and is connected with spray head 16, the top of spray column 18 arranges demister 17.
A white carbon spray drying process, comprises the following steps:
(1) fuel gas source 1 provides the combustion gas after filtration by Gas Pipe 2 for combustion machine 28, filtered air enters combustion machine 28 by blast pipe 30, combustion gas and air are in the interior burning heat release of combustion machine 28, high-grade heat energy is converted into 27 generatings of mechanical energy pushing generator, low grade heat energy enters into direct combustion type hot air stove 25 with the form of low-temperature flue gas through low temperature flue 26, the low-temperature flue gas temperature of combustion machine 28 discharges, generally lower than 600 ℃, contains a large amount of oxygen, and oxygen concentration is generally higher than 10%;
(2) fuel gas source 1 is that direct combustion type hot air stove 25 supplements the combustion gas after part is filtered by Gas Pipe 2, and the low-temperature flue gas burning of being rich in a large amount of oxygen by burner 4 and 28 discharges of combustion machine is heated into temperature higher than the high-temperature hot-air of 700 ℃ by low-temperature flue gas, high-temperature hot-air enters into drying tower 6 by high-temperature flue 5 and the hot air distributor 24 that is arranged on drying tower 6, with the white carbon slurries direct contact heat transfer that enters drying tower 6, after moisture evaporation in white carbon slurries, form dry silica particles, high-temperature hot-air in drying tower 6, complete be transformed into after dialogue carbon black slurry dry temperature be 80 ℃ to the waste gas of 130 ℃ of left and right, after most of moisture evaporation in slurries, enter into waste gas,
(3) dried silica particles and waste gas together leave drying tower 6, by material gas passage 7, enter into gas-solid separator 8 and carry out gas solid separation, the silica particles trapping is discharged through discharge gate 9, the flue gas of gas-solid separator 8 discharges is entered into spray column 18 and is upwards flowed by air-introduced machine 10, the fresh water (FW) reverse flow that flue gas and spray head 16 spray into, and direct heat transfer, flue-gas temperature reduces, water recovery in flue gas is transformed into water and become trapped in the collecting-tank 12 of spray column 18 bottoms, the demister 17 that the little water droplet being mingled with in flue gas is further disposed in spray column 18 tops traps and enters into collecting-tank 12, last flue gas is drained into atmosphere from spray column 18 top outlets, fresh water (FW) in collecting-tank 12 provides production technology water by thermal process water pipe 13 to the production process of white carbon.
As further prioritization scheme of the present utility model, step is utilized slush pump 21 in (2), the white carbon slurries that the moisture content in serum pot 19 are 78% to 85% left and right are transported to drying tower 6 entrances by slurry pipe 22, by atomizer 23, slurry spraying is become after white carbon slurry drops again, be injected in drying tower 6, in drying tower 6, high-temperature hot-air and white carbon slurry drops direct contact heat transfer, after most of moisture evaporation in slurry drops, enter into flue gas, it is the silica particles of 5% left and right that slurry drops forms moisture content after most of moisture evaporation, after moisture evaporation, enter into hot blast, entrance at slush pump 21 is installed slurries filter 20, avoid the foreign material in slurries to cause damage to slush pump 21.
The high-temperature hot-air producing for fear of direct combustion type hot air stove 25 pollutes white carbon black product, on the entrance Gas Pipe 2 of combustion machine 28 and blast pipe 30, gas filter 3 and air cleaner 29 are set respectively, combustion gas and airborne impurity were filtered before entering combustion machine 28, guarantee that the low-temperature flue gas of combustion machine 28 discharges is not containing the impurity that causes white carbon black product to pollute; On the inlet gas pipe 2 of direct combustion type hot air stove 25, gas filter 3 is set, impurity in combustion gas was filtered out before entering direct combustion type hot air stove 25, guarantee that the high-temperature hot-air that direct combustion type hot air stove 25 produces does not contain the impurity that causes white carbon black product to pollute.
The white carbon slurry spraying that atomizer 23 can provide slush pump 21 becomes slurry drops, so that slurries are interior dry rapidly at drying tower 6, and forms the white carbon serous granule that reaches certain particle size requirement.Hot air distributor 24 guarantees that high-temperature hot-air enters the desirable flow pattern of the rear formation of drying tower 6, sets up the mobile graphic of rational hot blast-droplet, prevents that portioned product is attached on wall and atomizer 23.
Adopt natural gas as the hot-blast stove of the direct burning of fuel, clean natural gas and clean air directly burn and produce high-temperature flue gas in hot-blast stove, the high-temperature flue gas producing due to this combustion method does not contain solid impurity, can not pollute white carbon black product, can directly high-temperature flue gas is incorporated in drying machine white carbon wet feed is carried out to heat drying.Natural gas hot-blast stove does not need high temperature resistant stainless steel heat exchanger, the relevant issues of the high temperature hot-blast furnace of the indirect mode that adopts high temperature resistant stainless steel heat exchanger have thoroughly been solved, and the Air Pollutants Emissions such as the sulfur dioxide that produces of combustion of natural gas, dust is extremely low, very little on the impact of local atmospheric environment.Therefore, adopt natural gas directly the high temperature hot-blast furnace spray drying technology of burning be a kind of white carbon dry technology of clean, efficient, high yield.
The utility model also has following beneficial effect:
1, in the combustion blast pipe of machine and Gas Pipe, air cleaner and gas filter are installed, and on the inlet gas pipe of direct combustion type hot air stove, gas filter is installed, above-mentioned measure allows Drying Process For The Production of White Carbon can adopt the direct combustion type hot air stove of high temperature of direct combustion system, and the clean high-temperature hot-air that hot-blast stove produces can not pollute white carbon black product.
2, the low-temperature flue gas discharging by combustion gas and combustion machine directly burns and produces the temperature high-temperature hot-air above up to 700 ℃, do not need the necessary high temperature resistant stainless steel heat exchanger of coal-fired indirect thermal wind furnace, save a large amount of expensive high temperature resistant stainless steel materials, saved the occupation of land space of huge high temperature resistant stainless steel heat exchanger.The shortcoming such as the high-temperature heat-exchanging fault rate thermal efficiency high, that different transfer of heat causes that solved traditional coal-fired indirect thermal wind furnace is low, operation and maintenance cost is high.
3, the hot blast temperature that enters drying tower is up to more than 700 ℃, and the dry heat efficiency of spray drying tower is up to 85% left and right.
4, the hot blast temperature that enters drying tower is up to more than 700 ℃, and required dry hot blast rate is little, and the volume of drying tower reduces, and floor space and construction cost reduce.
5, utilize combustion machine combustion gas generate electricity and produce low-temperature flue gas, realize the cascade utilization of the energy, the comprehensive utilization ratio of fuel improves.Utilize low-temperature flue gas as the dry thermal source of white carbon, compare with traditional hot-blast stove that directly uses combustion gas, dry required fuel cost significantly reduces.
6, compare with traditional coal-fired high temperature hot-blast furnace of indirect, the utility model can significantly reduce the discharge capacity of the atmosphere pollutions such as sulfur dioxide, nitrogen oxide, dust every year.
Utilize spray column to flue gas cool-down, make a large amount of water recoveries in flue gas become water and recycle, increased substantially the utilization rate of water resource.
Economic indicator of the present utility model is in Table 1, and the economic indicator of traditional coal-fired indirect heating type hot-blast stove is in Table 2, and the environmental index of the two is in Table 3.
Table 1 and table 2 show, although fuel cost was up to 6280.3 ten thousand yuan in of the present utility model year, the fuel cost of the coal-fired drying system of tradition is only 2307.8 ten thousand yuan, but the utility model has been realized energy cascade utilization, high-grade energy is for generating, and annual a large amount of electric energy for sale, after combustion gas cost deduction power selling income, the fuel cost of the utility model drying system is only 1501.3 ten thousand yuan, lower than the fuel cost of the coal-fired drying system of tradition.In addition, the utility model can reclaim 16.5 ten thousand tons of waste water every year, saves 62.7 ten thousand yuan of water rates.
Table 3 can be found out, compare with the coal-fired drying system of tradition, the utility model year reduces 2.4 ten thousand tons of CO2 emissions, almost there is no sulfur dioxide and dust emission, the discharge of nitrogen oxide is lower than 50% of the coal-fired drying system of tradition, and the sulfur dioxide of traditional coal-fired drying system and dust discharge amount are respectively up to 169 tons/year with 46.3 tons/year.
Therefore, the utility model not only fuel saving cost and water resource, also realize energy step and efficiently utilize, significantly subdue the discharge capacity of atmosphere pollution simultaneously, there is very significantly economic benefit, environmental benefit and social benefit.
Table 1 economic index of the present utility model
| Sequence number | Project name | | Numerical value | |
| 1 | Natural gas consumption | m3/h | 3298.5 | |
| 2 | Generated energy per hour | kWh/h | 7965 | |
| 3 | Gas Prices | Unit/m3 | 2.38 | |
| 4 | Electricity price | Unit/kWh | 0.75 | |
| 5 | Drying tower import wind-warm syndrome | ℃ | 810 | |
| 6 | Drying tower exhaust gas temperature | ℃ | 85 | |
| 7 | The drying tower thermal efficiency | % | 87.6 | |
| 8 | Running time in year | H/ | 8000 | |
| 9 | Year air consumption | Ten thousand m3/ | 2638.8 | |
| 10 | Fuel cost | Ten thousand yuan/year | 6280.3 | |
| 11 | The year electricity charge | Ten thousand yuan/year | 4779.0 | |
| 12 | Drying tower conversion fuel cost | Ten thousand yuan/year | 1501.3 | |
| 13 | Year is reclaimed wastewater flow rate | Ten thousand tons/year | 16.5 | |
| 14 | Save water rate | Ten thousand yuan/year | 62.7 |
The economic index of the drying system of the traditional coal-fired indirect heating type hot-blast stove of table 2
| Sequence number | Project name | | Numerical value | |
| 1 | Coal-fired capacity | t/h | 4.81 | |
| 2 | Burned coal price | Unit/t | 600 | |
| 3 | Thermal Efficiency of Hot Blast Stoves | % | 83.6 | |
| 4 | Drying tower import wind-warm syndrome | ℃ | 650 | |
| 5 | Drying tower exhaust gas temperature | ℃ | 85 | |
| 6 | The drying tower thermal efficiency | % | 84.9 | |
| 7 | The overall efficiency of system | % | 70.98 | |
| 8 | Running time in year | H/ | 8000 | |
| 9 | Year coal consumption | T/ | 38463.7 | |
| 10 | Fuel cost | Ten thousand yuan/year | 2307.8 |
The contrast of table 3 ambient influnence
| Sequence number | Project name | Unit | Tradition is coal-fired | The |
| 1 | Year discharge CO2 | Ten thousand t/ | 7.6 | 5.2 |
| 2 | Year SO2 discharge capacity | T/ | 169.6 | 0 |
| 3 | Year NOx discharge capacity | T/ | 74.0 | 30.9 |
| 4 | Year dust discharge amount | T/ | 46.3 | 0 |
Claims (4)
1. a white carbon spray drying system, it is characterized in that: comprise combustion machine (28), combustion machine (28) is connected with generator (27), the fuel gas inlet of described combustion machine (28) is connected with fuel gas source (1) after gas filter (3) is installed, and combustion machine (28) air intake place is provided with air cleaner (29); Combustion machine (28) waste gas outlet is connected with direct combustion type hot air stove (25) cryogenic gas entrance, after directly the burner (4) in combustion type hot air stove (25) is installed gas filter (3), by pipeline, be connected with fuel gas source (1), directly the outlet of combustion type hot air stove (25) high-temperature gas is communicated with drying tower (6) gas access, drying tower material inlet is communicated with white carbon slurries carrier pipe, drying tower (6) outlet is communicated with gas-solid separator (8) entrance, and gas-solid separator (8) gas vent is connected with sewage recovering system.
2. white carbon spray drying system according to claim 1, it is characterized in that: described sewage recovering system comprises spray column (18), gas-solid separator (8) gas vent is communicated with spray column (18) gas access through air-introduced machine (10), spray column (18) inside is disposed with demister (17) from top to bottom, spray head (16) and collecting-tank (12), collecting-tank (12) respectively with cold technique water pipe (11), thermal process water pipe (13) and circulating water pipe (15) are connected, circulating pump (14) is set on circulating water pipe (15) and is connected with spray head (16).
3. white carbon spray drying system according to claim 1 and 2, it is characterized in that: described drying tower (6) material inlet place is provided with atomizer (23), white carbon slurries carrier pipe is communicated with atomizer (23), slush pump (21) is set on white carbon slurries carrier pipe, and slush pump (21) porch is provided with slurries filter (20).
4. white carbon spray drying system according to claim 1 and 2, it is characterized in that: place, described drying tower (6) gas access is provided with hot air distributor (24), directly the outlet of combustion type hot air stove (25) high-temperature gas is communicated with drying tower hot air distributor (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320671077.2U CN203577342U (en) | 2013-10-28 | 2013-10-28 | White carbon black spray drying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320671077.2U CN203577342U (en) | 2013-10-28 | 2013-10-28 | White carbon black spray drying system |
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| CN203577342U true CN203577342U (en) | 2014-05-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537106A (en) * | 2013-10-28 | 2014-01-29 | 凤阳海泰科能源环境管理服务有限公司 | White carbon black spraying and drying system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537106A (en) * | 2013-10-28 | 2014-01-29 | 凤阳海泰科能源环境管理服务有限公司 | White carbon black spraying and drying system and method |
| CN103537106B (en) * | 2013-10-28 | 2016-01-20 | 凤阳海泰科能源环境管理服务有限公司 | A kind of white carbon spray drying system and method |
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