CN105197986A - Method for rapidly preparing red lead by means of air flow - Google Patents
Method for rapidly preparing red lead by means of air flow Download PDFInfo
- Publication number
- CN105197986A CN105197986A CN201510590671.2A CN201510590671A CN105197986A CN 105197986 A CN105197986 A CN 105197986A CN 201510590671 A CN201510590671 A CN 201510590671A CN 105197986 A CN105197986 A CN 105197986A
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- air
- red lead
- oxidized still
- temperature
- heat
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 34
- 230000003647 oxidation Effects 0.000 claims abstract description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000001301 oxygen Substances 0.000 claims abstract description 24
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 9
- 239000010881 fly ash Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 3
- 230000026676 system process Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- XMFOQHDPRMAJNU-UHFFFAOYSA-N lead(ii,iv) oxide Chemical compound O1[Pb]O[Pb]11O[Pb]O1 XMFOQHDPRMAJNU-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G21/00—Compounds of lead
- C01G21/02—Oxides
- C01G21/10—Red lead (Pb3O4)
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention discloses a method for rapidly preparing red lead by means of air flow. The method is achieved by combining a ground-to-air missile type red lead energy-saving oxidation furnace, that is to say, the flow velocity of air in the oxidation furnace is increased through air supply, and the air pressure in the oxidation furnace is increased by means of in-and-out air pressure difference, so that the purpose of increasing oxygen in the oxidation furnace is achieved, and the purpose of rapidly preparing the red lead is achieved. According to the method for rapidly preparing the red lead by means of the air flow, solar thermal energy and inexhaustible natural wind are effectively utilized, a red lead produce is rapidly prepared, the production cost is reduced, the production efficiency is improved, environmental pollution is avoided, and energy resources are greatly saved; more importantly, the production process is cleaner and safer, and fatal potential safety hazards are eliminated.
Description
Technical field
The present invention relates to red lead processing technique field, be specifically related to a kind of method utilizing airflow to prepare red lead fast.
Background technology
The method of industrial production red lead is mainly by after electrolytic lead heating and melting both at home and abroad at present, and ball mill pulverizing, generates pbo through the temperature nature roasting oxidation of 300 DEG C, then through the high-temperature calcination natural oxidation of 500 DEG C, obtain pb
3o
4i.e. red lead product, even if state-of-the-art " wet-dry change novel process " produces red lead now, also will through roasting and calcination stage.The shortcoming of traditional method: due in roasting storehouse, oxidation storehouse at high temperature, oxygen is not enough, and can not meet the oxidation demand of plumbous material, can only rely on prolongation oxidization time, just can obtain red lead product, energy consumption is excessive, and production cost is high, and production efficiency is low.
In order to accelerate oxidizing reaction speed in traditional red lead production process, take in oxidized still, add a certain proportion of solid ammonium nitrate, as everyone knows, " solid ammonium nitrate " is at high temperature, high pressure and have oxidizable species to deposit in case, can blast, therefore there is considerable safety production hidden danger in traditional red lead production technique; Simultaneously it is again the raw material preparing explosive, if mismanagement or stolen flows direction social, by entail dangers to social public security or be used for other illegal objectives and cause other to endanger.As Chinese patent " utilizes intelligent apparatus of oxygen supply to prepare the method for red lead fast ", (CN201410216814.9) discloses by by oxygen obtained for intelligent apparatus of oxygen supply, by techniques such as dilution, compression, preheating, conveyings, to meet the required condition of lead button oxidation, realize the object preparing red lead fast, the method obviously increases the technological process of production, adds production cost.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method utilizing airflow to prepare red lead fast, namely accelerates the air velocity in oxidized still by air-supply, enables oxidation material obtain timely supply because being oxidized the oxygen consumed; Increase oxidized still inner air pressure to pass in and out wind power difference power, to reach in oxidized still the object increasing oxygen, and then realize the object preparing red lead fast.
Know-why of the present invention:
1) chemical equation of red lead product (tri-lead tetroxide) is prepared:
1., 2pb+O
2300 DEG C of roasting 2pbo
2., 6pbo+O
2500 DEG C of calcining 2pb
3o
4
2) can obtain according to mass conservation law, the electrolytic lead roasting oxidation of 1 ton can generate the pbo of 1.07729 tons, and then can generate 1.10305 tons of pb3o4 through calcined oxide, i.e. red lead product.The oxygen quality of rising foam 0.10305 ton required for lead material complete oxidation.As everyone knows, under normal temperature and pressure, it is 21% that oxygen accounts for air ratio, oxygen density 1.429g/L, in the air of every m3, lower of normal temperature and pressure is containing 0.0003 ton of oxygen, and under the high temperature conditions, oxygen is thinner, the oxidation needs of lead material can not be met far away in time, and prolongation oxidization time can only be relied on, just can produce red lead product.The present invention makes the oxygen in oxidation storehouse increase by accelerating air at the pressure of the flow velocity be oxidized in storehouse and air, allows plumbous material constantly absorb oxygen, with satisfied oxidation demand, shortens oxidization time.
Technical problem to be solved by this invention realizes by the following technical solutions:
Utilize airflow to prepare a method for red lead fast, the method implementation step is as follows:
1) preheating: the wind collecting port of roots blower (market-ripe equipment) is connected solar energy hot equipment, and preheated by the air of conveying, heating and temperature control, below 600 DEG C, closes solar energy hot equipment during more than 600 DEG C automatically;
2) heat air delivery: the warm air produced by roots blower, with 340-350m
3the speed (tested the speed by glass rotameter, and controlled by gate valve) of/h, is transported to the electrical heating device (electrically heated core) on oxidized still by wind conveying pipe;
3) carry again: together with the warm air that the warm air now produced by electrical heating device and roots blower produce, flow in oxidized still, directly to oxidation material heat supply and oxygen respectively by the heat inlet on oxidized still;
4) sectional temperature-controlled: the top-down heat inlet temperature of oxidized still is respectively: first paragraph temperature controls at 390 DEG C-450 DEG C, and second segment temperature controls at 450 DEG C-480 DEG C, the 3rd section of temperature controls at 470 DEG C-500 DEG C; Each section of heat inlet is all provided with gate valve, and gate valve is controlled by temperature controlled switch respectively, guarantees the stability of in-furnace temperature;
5) air inducing: the off-air after the oxygen in oxidation furnace air is utilized by absorbed, by induced exhaust under the effect of induced draft fan, flow to fly-ash separator and exhaust gas purification system, and make the pressure retaining 0.2-0.3mPa (be perfectly safe pressure range) in oxidized still all the time;
6) UTILIZATION OF VESIDUAL HEAT IN: by the gas after fly-ash separator and exhaust gas purification system process, is connected with conveying wind pipeline, is then transported to oxidized still more together, form air circulation flow, reach the object of environmental protection and UTILIZATION OF VESIDUAL HEAT IN;
7) flow of material: oxidation material falls from hopper with the speed of 5 kg/min, continues uninterrupted, obtained red lead product.
A kind of ground-to-air missile formula red lead energy-conservation oxidation furnace, described oxidized still is cylindrical structure, and this oxidized still is divided into upper furnace body, middle body of heater and lower volume from top to bottom;
Described upper furnace body accounts for 1/5 of oxidized still length, and bore is slightly thick (can determine the size of bore) comparatively below according to design production capacity, hopper is housed above described upper furnace body, and speed limiter is equipped with in hopper and upper furnace body joint; In upper furnace body, backgauge roller is equipped with in layering, every two-layer backgauge roller becomes upper and lower crisscross setting, between backgauge roller, transverse distance is 1.5 centimeters, the object arranging backgauge roller is that starting material are mutually collided when hopper falls, dispersion is fallen, be unlikely to rush down falling of big vast formula, the abundant equalization of starting material can be allowed to be heated and to absorb the oxygen needed for oxidation.
Described middle body of heater accounts for 3.5/5 of oxidized still length, relative aperture upper furnace body is slightly thin, heat inlet three place (quantity of heat inlet can be determined according to the length of production capacity and body of heater) is left in the side of middle body of heater, stretching into what connect in body of heater by heat inlet is spiral thermal-collecting tube, some heat radiation air ports are left in described thermal-collecting tube direction down, there is provided oxidation required oxygen directly to the starting material heat supply in oxidation body of heater, defeated heat pipe is connected with by gate valve outside described heat inlet, described defeated heat pipe lower inner is equipped with electrically heated core (market-ripe equipment), electrically heated core is entangled by defeated heat pipe, blast inlet is left in side, described defeated heat pipe lower end, this blast inlet is by roots blower air feed, lead to the heat inlet of oxidized still respectively in the upper end of defeated heat pipe, air outlet is left respectively with the direction of 90 degree about heat inlet, the position of air outlet and the position of heat inlet interlock up and down, (be positioned at body of heater) inside air outlet and retaining guard is housed, in case material is by induced draft fan sucking-off, induced exhaust is connected outside air outlet, induced exhaust leads to induced draft fan, then leads to fly-ash separator,
Described lower volume is the pyramidal structure of mouth down, length accounts for 0.5/5 of oxidized still, it is blanking port bottom lower volume, refrigeration system is connected below described blanking port, by refrigeration system, raw material is cooled, be provided with speed limiter between refrigeration system and blanking port, the speed limiter at this speed limiter and hopper place is above synchronous; Cooled finished product enters storage bin, hexagonal reel is connected below storage bin, hexagonal reel is by motor control, electric motor is equipped with eccentric wheel, by guide rod connecting eccentric wheel and a hexagonal reel, hexagonal reel is ceaselessly moved back and forth, make cooled finished product directly fall in preset packing bag or container by material blanking tube, the screen cloth of certain hexagonal reel can be exchanged according to customer demand, to meet customer need.
Described defeated heat pipe and the equal subsection setup of induced exhaust, all connected by corrugated tube between every two sections, to adapt to the change of expanding with heat and contract with cold, protects defeated heat pipe and induced exhaust.
Described heat inlet place mounting temperature sensor, described gate valve is controlled by temperature controlled switch, and the setting temperature entered in stove is 450 DEG C-500 DEG C, higher than automatic closing gate valve when 500 DEG C, during lower than 450 DEG C, warning howler sounds to warn, and is convenient to search reason in time and fixes a breakdown.
Described oxidized still outside uses alumina silicate fiber felt around wrapping, to reaching the effect of insulation and sound insulation, and uses four foot supports to fix.
The invention has the beneficial effects as follows: the present invention effectively utilizes solar thermal energy, with inexhaustible natural wind, realize preparing red lead product fast, not only save production cost, enhance productivity, and evaded environmental pollution, great save energy, importantly makes production process more clean, safer, eliminates major safety risks.
Accompanying drawing explanation
Fig. 1 is oxidation furnace structure schematic diagram of the present invention.
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
See Fig. 1: a kind of ground-to-air missile formula red lead energy-conservation oxidation furnace, comprise an oxidized still 1, oxidized still 1 is cylindrical structure, and this oxidized still 1 is divided into upper furnace body 10, middle body of heater 20 and lower volume 30 from top to bottom; Oxidized still 1 outside uses alumina silicate fiber felt around wrapping, to reaching the effect of insulation and sound insulation, and uses four foot supports to fix.
Upper furnace body 10 accounts for 1/5 of oxidized still 1 length, and bore is slightly thick (can determine the size of bore) comparatively below according to design production capacity, hopper 101 is housed above upper furnace body 10, and the first speed limiter 102 is equipped with in hopper 101 and upper furnace body 10 joint; In upper furnace body 10, backgauge roller 103 is equipped with in layering, the upper and lower crisscross setting of every two-layer 103 one-tenth, backgauge roller, between backgauge roller 103, transverse distance is 1.5 centimeters, the object arranging backgauge roller 103 is that starting material are mutually collided when hopper 101 falls, dispersion is fallen, be unlikely to rush down falling of big vast formula, the abundant equalization of starting material can be allowed to be heated and to absorb the oxygen needed for oxidation.
Middle body of heater 20 accounts for 3.5/5 of oxidized still 1 length, relative aperture upper furnace body 10 is slightly thin, heat inlet 201 3 place (quantity of heat inlet 201 can be determined according to the length of production capacity and body of heater) is left in the side of middle body of heater 20, stretching into what connect in body of heater by heat inlet 201 is spiral thermal-collecting tube 202, some heat radiation air ports are left in thermal-collecting tube 202 direction down, provide oxidation required oxygen directly to the starting material heat supply in oxidized still 1; Defeated heat pipe 204 is connected with by gate valve 203 outside heat inlet 201, defeated heat pipe 204 lower inner is equipped with electrically heated core 205 (market-ripe equipment), electrically heated core 205 is entangled by defeated heat pipe 204, blast inlet 206 is left in side, defeated heat pipe 204 lower end, this blast inlet 206 is by roots blower air feed, and the upper end of defeated heat pipe 205 leads to the heat inlet 201 of oxidized still 1 respectively; Heat inlet 201 place mounting temperature sensor (not indicating in figure), gate valve 203 is controlled by temperature controlled switch, the setting temperature entered in stove is 450 DEG C-500 DEG C, higher than automatic closing gate valve when 500 DEG C, during lower than 450 DEG C, warning howler sounds to warn, and is convenient to search reason in time and fixes a breakdown.Three place's air outlets 207 are left respectively with the direction of heat inlet about 201 90 degree, the position of air outlet 207 and the position of heat inlet 201 interlock up and down, (be positioned at body of heater) inside air outlet 207 and retaining guard 208 is housed, in case material is by induced draft fan sucking-off, induced exhaust 209 is connected outside air outlet 207, induced exhaust 209 leads to induced draft fan 210, then leads to fly-ash separator 211; Defeated heat pipe 204 and induced exhaust 209 all subsection setups, are all connected by corrugated tube 212 between every two sections, to adapt to the change of expanding with heat and contract with cold, protect defeated heat pipe 204 and induced exhaust 209.
The pyramidal structure of lower volume 30 in mouth down, length accounts for 0.5/5 of oxidized still 1, it is blanking port bottom lower volume 30, refrigeration system 40 is connected below blanking port, cooled by refrigeration system 40 pairs of raw materials, the first speed limiter 102 being provided with the second speed limiter 213, second speed limiter 213 and hopper above 101 place between refrigeration system 40 and blanking port is synchronous; Cooled finished product enters storage bin, hexagonal reel is connected below storage bin, hexagonal reel is by motor control, electric motor is equipped with eccentric wheel, by guide rod connecting eccentric wheel and a hexagonal reel, hexagonal reel is ceaselessly moved back and forth, make cooled finished product directly fall in preset packing bag or container by material blanking tube, the screen cloth of certain hexagonal reel can be exchanged according to customer demand, to meet customer need.
Adopt above-mentioned red lead oxidized still to prepare a method for red lead, the method implementation step is as follows:
1) preheating: the wind collecting port of roots blower (market-ripe equipment) is connected solar energy hot equipment, and preheated by the air of conveying, heating and temperature control, below 600 DEG C, closes solar energy hot equipment during more than 600 DEG C automatically;
2) heat air delivery: the warm air produced by roots blower, with 340-350m
3the speed (tested the speed by glass rotameter, and controlled by gate valve) of/h, is transported to the electrically heated core 205 on oxidized still 1 by wind conveying pipe;
3) carry again: together with the warm air that the warm air now produced by electrically heated core 205 and roots blower produce, flow in oxidized still 1, directly to oxidation material heat supply and oxygen respectively by the heat inlet 201 on oxidized still 1;
4) sectional temperature-controlled: oxidized still 1 top-down heat inlet 201 temperature is respectively: first paragraph temperature controls at 390 DEG C-450 DEG C, and second segment temperature controls at 450 DEG C-480 DEG C, the 3rd section of temperature controls at 470 DEG C-500 DEG C; Each section of heat inlet 201 is all provided with gate valve 203, and gate valve 203 is controlled by temperature controlled switch respectively, guarantees the stability of in-furnace temperature;
5) air inducing: the off-air after the oxygen in air in oxidized still 1 is utilized by absorbed, by induced exhaust 209 under the effect of induced draft fan 210, flow to fly-ash separator 211 and exhaust gas purification system, and make the pressure retaining 0.2-0.3mPa (be perfectly safe pressure range) in oxidized still all the time;
6) UTILIZATION OF VESIDUAL HEAT IN: by the gas after fly-ash separator 211 and exhaust gas purification system process, is connected with conveying airduct, is then transported to oxidized still 1 more together, form air circulation flow, reach the object of environmental protection and UTILIZATION OF VESIDUAL HEAT IN;
7) flow of material: oxidation material falls from hopper with the speed of 5 kg/min, continues uninterrupted, obtained red lead product.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.
Claims (1)
1. utilize airflow to prepare a method for red lead fast, it is characterized in that, the method implementation step is as follows:
1) preheating: the wind collecting port of roots blower is connected solar energy hot equipment, and preheated by the air of conveying, heating and temperature control, below 600 DEG C, closes solar energy hot equipment during more than 600 DEG C automatically;
2) heat air delivery: the warm air produced by roots blower, with 340-350m
3the speed of/h, is transported to the electrical heating device on oxidized still by wind conveying pipe;
3) carry again: together with the warm air that the warm air now produced by electrical heating device and roots blower produce, flow in oxidized still, directly to oxidation material heat supply and oxygen respectively by the heat inlet on oxidized still;
4) sectional temperature-controlled: the top-down heat inlet temperature of oxidized still is respectively: first paragraph temperature controls at 390 DEG C-450 DEG C, and second segment temperature controls at 450 DEG C-480 DEG C, the 3rd section of temperature controls at 470 DEG C-500 DEG C; Each section of heat inlet is all provided with gate valve, and gate valve is controlled by temperature controlled switch respectively, guarantees the stability of in-furnace temperature;
5) air inducing: the off-air after being utilized by absorbed by the oxygen in oxidation furnace air, by induced exhaust under the effect of induced draft fan, flows to fly-ash separator and exhaust gas purification system, and make the pressure retaining 0.2-0.3mPa in oxidized still all the time;
6) UTILIZATION OF VESIDUAL HEAT IN: by the gas after fly-ash separator and exhaust gas purification system process, is connected with conveying wind pipeline, is then transported to oxidized still more together, form air circulation flow, reach the object of environmental protection and UTILIZATION OF VESIDUAL HEAT IN;
7) flow of material: oxidation material falls from hopper with the speed of 5 kg/min, continues uninterrupted, obtained red lead product.
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|---|---|---|---|
| CN201510590671.2A CN105197986B (en) | 2015-09-14 | 2015-09-14 | A kind of method utilizing air stream quickly to prepare Plumbum preparatium |
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|---|---|---|---|
| CN201510590671.2A CN105197986B (en) | 2015-09-14 | 2015-09-14 | A kind of method utilizing air stream quickly to prepare Plumbum preparatium |
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| CN105197986B CN105197986B (en) | 2016-11-02 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517317A (en) * | 2016-11-25 | 2017-03-22 | 湖南省水口山宏兴化工有限责任公司 | Lead tetraoxide oxidation technology |
| CN107098380A (en) * | 2017-05-31 | 2017-08-29 | 安徽骏马化工科技股份有限公司 | Ground-to-air missile formula red lead energy-conservation oxidation furnace intelligence thermal control technique |
| CN108534562A (en) * | 2018-03-21 | 2018-09-14 | 安徽骏马化工科技股份有限公司 | Red lead oxidation furnace residual-heat utilization method |
| CN111620368A (en) * | 2020-06-29 | 2020-09-04 | 张家港市翔林机械有限公司 | Device and process for carrying out oxygen-enriched oxidation on lead tetraoxide |
| CN114044536A (en) * | 2021-12-09 | 2022-02-15 | 安徽骏马新材料科技股份有限公司 | Environment-friendly red lead preparation process |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517317A (en) * | 2016-11-25 | 2017-03-22 | 湖南省水口山宏兴化工有限责任公司 | Lead tetraoxide oxidation technology |
| CN106517317B (en) * | 2016-11-25 | 2019-02-15 | 湖南省水口山宏兴化工有限责任公司 | A kind of lead orthoplumbate oxidation technology |
| CN107098380A (en) * | 2017-05-31 | 2017-08-29 | 安徽骏马化工科技股份有限公司 | Ground-to-air missile formula red lead energy-conservation oxidation furnace intelligence thermal control technique |
| CN108534562A (en) * | 2018-03-21 | 2018-09-14 | 安徽骏马化工科技股份有限公司 | Red lead oxidation furnace residual-heat utilization method |
| CN108534562B (en) * | 2018-03-21 | 2019-11-15 | 安徽徽能化工科技有限公司 | Red lead oxidation furnace residual-heat utilization method |
| CN111620368A (en) * | 2020-06-29 | 2020-09-04 | 张家港市翔林机械有限公司 | Device and process for carrying out oxygen-enriched oxidation on lead tetraoxide |
| CN114044536A (en) * | 2021-12-09 | 2022-02-15 | 安徽骏马新材料科技股份有限公司 | Environment-friendly red lead preparation process |
| CN114044536B (en) * | 2021-12-09 | 2023-09-01 | 安徽骏马新材料科技股份有限公司 | Environment-friendly red lead preparation process |
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| CN105197986B (en) | 2016-11-02 |
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