CN111484077A - Recovery method of water-bath black material in clean production of vanadium oxide - Google Patents
Recovery method of water-bath black material in clean production of vanadium oxide Download PDFInfo
- Publication number
- CN111484077A CN111484077A CN202010332348.6A CN202010332348A CN111484077A CN 111484077 A CN111484077 A CN 111484077A CN 202010332348 A CN202010332348 A CN 202010332348A CN 111484077 A CN111484077 A CN 111484077A
- Authority
- CN
- China
- Prior art keywords
- black material
- water
- vanadium oxide
- water bath
- bath black
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910001935 vanadium oxide Inorganic materials 0.000 title claims abstract description 19
- 238000011084 recovery Methods 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 13
- QUEDYRXQWSDKKG-UHFFFAOYSA-M [O-2].[O-2].[V+5].[OH-] Chemical compound [O-2].[O-2].[V+5].[OH-] QUEDYRXQWSDKKG-UHFFFAOYSA-M 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract 1
- 238000004537 pulping Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 230000008018 melting Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- KMEIUBFSUXIXTB-UHFFFAOYSA-M N.[O-2].[O-2].[OH-].[V+5] Chemical compound N.[O-2].[O-2].[OH-].[V+5] KMEIUBFSUXIXTB-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010866 blackwater Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G31/00—Compounds of vanadium
- C01G31/02—Oxides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
技术领域technical field
本发明属于氧化钒技术领域，具体涉及一种氧化钒清洁生产中水浴黑料的回收方法。The invention belongs to the technical field of vanadium oxide, and in particular relates to a method for recovering water-bath black material in the clean production of vanadium oxide.
背景技术Background technique
目前工业上主要采用外燃式的回转窑生产粉状三氧化二钒，其反应机理为干燥后的多钒酸铵粉状原料在高温和还原气氛下还原为粉状三氧化二钒，还原过程中产生的尾气中含有低价钒氧化物等粉尘、氨气、水汽及还原煤气等，经水浴装置处理后形成料浆，国内外采用不同的设备固液分离得到含钒氧化物的回收物，分离的上层黑水则排入废水处理系统处理，下层黑料因回收颜色发黑俗称水浴黑料，为三氧化二钒工业生产的主要副产品。水浴黑料采用熔化生产片状五氧化二钒，因水浴黑料发粘、熔点较高，流动性差且不易熔化，高炉温控制导致熔化炉内耐火材料腐蚀、炉内物料烧损严重，统计加入黑料后熔化炉大修周期缩短1/3，熔化钒收率降低约1.5个百分点，直接影响设备寿命及生产成本。At present, external combustion type rotary kiln is mainly used in industry to produce powdery vanadium trioxide. The reaction mechanism is that the dried ammonium polyvanadate powdery raw material is reduced to powdery vanadium trioxide under high temperature and reducing atmosphere. The reduction process The tail gas produced in the process contains low-valent vanadium oxides and other dust, ammonia gas, water vapor and reducing gas, etc., which are treated by a water bath device to form a slurry. The separated upper layer black water is discharged into the wastewater treatment system for treatment, and the lower layer black material is commonly known as water bath black material due to the blackening of the recovered color, which is the main by-product of vanadium trioxide industrial production. The water-bath black material is melted to produce flake vanadium pentoxide. Because the water-bath black material is sticky, has a high melting point, has poor fluidity and is not easy to melt, and the blast furnace temperature control leads to corrosion of the refractory materials in the melting furnace and serious burning of materials in the furnace, statistics added The overhaul period of the black material post-melting furnace is shortened by 1/3, and the yield of melting vanadium is reduced by about 1.5%, which directly affects the life of the equipment and the production cost.
CN110064266A公开了一种三氧化二钒生产尾气除尘装置，该方法提供了一种粉尘清理简便的三氧化二钒生产尾气除尘装置，采用尾气喷淋除尘，料浆排入沉淀池，上层水溢流至清水池，黑料可定期用抓斗抓出回收，除尘水循环利用。该方法有效解决了水浴料浆固液分离后废水处理的问题，但未提及抓取黑料后续处理流程，本发明即在该除尘装置基础上进一步完善。CN110064266A discloses a vanadium trioxide production tail gas dedusting device, the method provides a vanadium trioxide production tail gas dedusting device with simple and convenient dust cleaning. To the clear water pool, the black material can be regularly grabbed and recycled with a grab bucket, and the dust-removed water can be recycled. The method effectively solves the problem of wastewater treatment after the solid-liquid separation of the water bath slurry, but does not mention the subsequent treatment process of the grabbing black material, and the present invention is further improved on the basis of the dust removal device.
发明内容SUMMARY OF THE INVENTION
本发明的目的在于提供一种氧化钒清洁生产中水浴黑料的回收方法，包括以下步骤：取水浴黑料与多钒酸铵混合均匀后，将混合料返回生产三氧化二钒的多钒酸铵干燥、还原生产线。The purpose of this invention is to provide a kind of recovery method of water bath black material in the clean production of vanadium oxide, comprising the following steps: after the water bath black material is mixed with ammonium polyvanadate, the mixed material is returned to the polyvanadic acid for producing vanadium trioxide Ammonium drying and reduction production line.
其中，上述氧化钒清洁生产中水浴黑料的回收方法，所述水浴黑料的含水量为40～50％。Wherein, in the above-mentioned recovery method of water-bath black material in the clean production of vanadium oxide, the water content of the water-bath black material is 40-50%.
其中，上述氧化钒清洁生产中水浴黑料的回收方法，所述多钒酸铵的含水量为18～25％。Wherein, in the above-mentioned method for recovering water-bath black material in the clean production of vanadium oxide, the water content of the ammonium polyvanadate is 18-25%.
其中，上述氧化钒清洁生产中水浴黑料的回收方法，所述混合后物料的含水量为25～28％。Wherein, in the above-mentioned method for recovering water-bath black material in the clean production of vanadium oxide, the water content of the mixed material is 25-28%.
其中，上述氧化钒清洁生产中水浴黑料的回收方法，所述水浴黑料的添加量为多钒酸铵重量的5～15％。Wherein, in the above-mentioned recovery method of water-bath black material in the clean production of vanadium oxide, the addition amount of the water-bath black material is 5-15% of the weight of ammonium polyvanadate.
其中，上述氧化钒清洁生产中水浴黑料的回收方法，所述水浴黑料的添加量为多钒酸铵重量的10％。Wherein, in the above-mentioned recovery method of water-bath black material in the clean production of vanadium oxide, the addition amount of the water-bath black material is 10% of the weight of ammonium polyvanadate.
本发明的有益效果：Beneficial effects of the present invention:
本发明的方法操作简单，不需要控制料浆pH等操作；流程短，工序内即可完成回收，不需要进行打浆、压滤等；设备故障率低，可连续稳定运行，不存在运输浆料造成管道、泵等设备堵、腐蚀的问题。The method of the invention is simple to operate, does not need to control the pH of the slurry and other operations; the process is short, the recovery can be completed within the process, and no beating, pressure filtration, etc. are required; the equipment failure rate is low, it can run continuously and stably, and there is no transportation of the slurry. Causes problems of blockage and corrosion of pipelines, pumps and other equipment.
具体实施方式Detailed ways
一种氧化钒清洁生产中水浴黑料的回收方法，包括以下步骤：取水浴黑料与多钒酸铵混合均匀后，返回生产三氧化二钒的多钒酸铵干燥、还原生产线。其中，水浴黑料的含水量为40～50％；多钒酸铵的含水量为18～25％；混合料的含水量为25～28％。A method for recovering water-bath black material in the clean production of vanadium oxide comprises the following steps: after the water-bath black material and ammonium polyvanadate are evenly mixed, returning to the ammonium polyvanadate drying and reducing production line for producing vanadium trioxide. Wherein, the water content of the water bath black material is 40-50%; the water content of the ammonium polyvanadate is 18-25%; and the water content of the mixture is 25-28%.
本发明方法中，干燥至含水量为25～28％是为了使混合料满足生产线原料的质量要求，料如果太湿容易堵塞干燥线，影响生产物流的顺畅。In the method of the present invention, drying to a water content of 25-28% is to make the mixture meet the quality requirements of the raw materials of the production line. If the material is too wet, it is easy to block the drying line and affect the smoothness of production logistics.
本发明方法中，为了保证混合物水分含量满足干燥线要求，将水浴黑料的添加量设置为多钒酸铵重量的5～15％；优选的，水浴黑料的添加量为多钒酸铵重量的10％。In the method of the present invention, in order to ensure that the moisture content of the mixture meets the requirements of the drying line, the addition amount of the water bath black material is set to 5-15% of the weight of ammonium polyvanadate; preferably, the addition amount of the water bath black material is the weight of ammonium polyvanadate 10%.
本发明方法中，如果一次性混合的料太多，可以利用熔化炉余热对混合料进行烘烤晾晒，这样不仅可以避免人工混料不均匀，导致局部含水量过高的问题，同时还能够保证混合物水分含量满足干燥线要求。In the method of the present invention, if there are too many materials mixed at one time, the residual heat of the melting furnace can be used to bake and dry the mixed materials, which can not only avoid the problem of uneven artificial mixing and high local moisture content, but also ensure The moisture content of the mixture meets the drying line requirements.
本发明的方法为两种固体物料的简单混合，不需要调整pH，相互间不反应，只是物理上的混合，降低混合物的综合含水率，满足干燥线生产需求。The method of the invention is the simple mixing of two solid materials, does not need to adjust the pH, does not react with each other, but only physically mixes, reduces the comprehensive moisture content of the mixture, and meets the production requirements of the drying line.
下面将结合实施例对本发明的方案进行解释。本领域技术人员将会理解，下面的实施例仅用于说明本发明，而不应视为限定本发明的范围。实施例中未注明具体技术或条件的，按照本领域内的文献所描述的技术或条件或者按照产品说明书进行。所用原料未注明生产厂商者，均为可以通过市购获得的常规产品。The solution of the present invention will be explained below in conjunction with the embodiments. Those skilled in the art will understand that the following examples are only used to illustrate the present invention and should not be construed as limiting the scope of the present invention. If no specific technique or condition is indicated in the examples, the technique or condition described in the literature in the field or the product specification is used. The raw materials used without specifying the manufacturer are all conventional products that can be obtained from the market.
实施例1Example 1
定期抓取沉淀池的水浴黑料，沥水后放入现场堆存间，自然晾晒，装斗320公斤，取样检测含水43.2％，干燥区域落地多钒酸铵3.1t，含水23.6％，将上述两种物料人工均匀混合，同时送样检测综合含水26.7％，混合后物料满足干燥生产线的原料质量要求，该批物料带入料仓后，跟踪批次三氧化二钒质量未出现异常波动，满足下工序生产需求。Grab the water bath black material in the sedimentation tank regularly, drain the water and put it into the on-site storage room, dry it naturally, load it into a 320 kg bucket, take a sample to detect the water content of 43.2%, and drop 3.1t of ammonium polyvanadate in the drying area with a water content of 23.6%. All kinds of materials were artificially mixed uniformly, and the comprehensive water content was 26.7% after sample delivery. The mixed materials met the raw material quality requirements of the drying production line. After the batch of materials was brought into the silo, there was no abnormal fluctuation in the quality of the tracking batch of vanadium trioxide, which met the following requirements: Process production requirements.
实施例2Example 2
定期抓取沉淀池的水浴黑料，沥水后放入现场堆存间，自然晾晒，装斗290公斤，取样检测含水40.7％，干燥区域落地多钒酸铵2.97t，含水22.7％，将上述两种物料人工均匀混合，同时送样检测综合含水25.9％，混合后物料满足干燥生产线的原料质量要求，该批物料带入料仓后，跟踪批次三氧化二钒质量未出现异常波动，满足下工序生产需求。Grab the water bath black material of the sedimentation tank regularly, drain the water and put it into the on-site storage room, dry it naturally, load 290 kg in a bucket, take a sample to detect the water content of 40.7%, and land in the drying area 2.97t of ammonium polyvanadate with a water content of 22.7%. All kinds of materials were artificially mixed evenly, and the samples were sent to detect the comprehensive moisture content of 25.9%. After mixing, the materials met the raw material quality requirements of the drying production line. After the batch of materials was brought into the silo, there was no abnormal fluctuation in the quality of the tracking batch of vanadium trioxide, which met the following requirements: Process production requirements.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332348.6A CN111484077A (en) | 2020-04-24 | 2020-04-24 | Recovery method of water-bath black material in clean production of vanadium oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332348.6A CN111484077A (en) | 2020-04-24 | 2020-04-24 | Recovery method of water-bath black material in clean production of vanadium oxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111484077A true CN111484077A (en) | 2020-08-04 |
Family
ID=71792627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010332348.6A Pending CN111484077A (en) | 2020-04-24 | 2020-04-24 | Recovery method of water-bath black material in clean production of vanadium oxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111484077A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470459A (en) * | 2003-06-24 | 2004-01-28 | 攀枝花钢铁有限责任公司钢铁研究院 | Method for treating dust in vanadium trioxide reduction tail gas |
| NZ587969A (en) * | 2008-11-18 | 2012-12-21 | Pangang Group Steel Va & Ti Co | Clean production method of vanadium oxide |
| CN109205673A (en) * | 2018-11-09 | 2019-01-15 | 成都先进金属材料产业技术研究院有限公司 | The method for preparing vanadium trioxide |
| CN110064266A (en) * | 2019-05-31 | 2019-07-30 | 攀钢集团钒钛资源股份有限公司 | Vanadium trioxide produces tail gas dust cleaning apparatus |
-
2020
- 2020-04-24 CN CN202010332348.6A patent/CN111484077A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470459A (en) * | 2003-06-24 | 2004-01-28 | 攀枝花钢铁有限责任公司钢铁研究院 | Method for treating dust in vanadium trioxide reduction tail gas |
| NZ587969A (en) * | 2008-11-18 | 2012-12-21 | Pangang Group Steel Va & Ti Co | Clean production method of vanadium oxide |
| CN109205673A (en) * | 2018-11-09 | 2019-01-15 | 成都先进金属材料产业技术研究院有限公司 | The method for preparing vanadium trioxide |
| CN110064266A (en) * | 2019-05-31 | 2019-07-30 | 攀钢集团钒钛资源股份有限公司 | Vanadium trioxide produces tail gas dust cleaning apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210286781U (en) | High-purity vanadium pentoxide apparatus for producing | |
| CN101792187A (en) | Method for producing feed grade ferrous sulfate monohydrate from titanium pigment waste acid condensed slag | |
| CN104003443A (en) | Method for preparing ammonium metavanadate by adding seed crystals | |
| CN110980782A (en) | Method for producing high-purity magnesium sulfate by using alkylation waste sulfuric acid and application thereof | |
| CN100558636C (en) | Sodium nitrate and potassium chloride metathesis reaction produce the method for potassium nitrate | |
| JP5096260B2 (en) | Method for purifying tin-containing waste and method for reusing tin-containing waste | |
| CN111484077A (en) | Recovery method of water-bath black material in clean production of vanadium oxide | |
| CN116462214A (en) | Production system for preparing low-sodium alumina from metallurgical-grade alumina | |
| CN101955233B (en) | Method for producing ferrous sulphate monohydrate | |
| CN112079381A (en) | Method for producing special rutile type titanium dioxide of powder coating | |
| CN112813275B (en) | Method for inhibiting reaction loss of metal aluminum in aluminum ash wet-process aluminum extraction process | |
| JP4077212B2 (en) | Briquette for recovering valuable metals in steelmaking by-products for electric smelting furnace and method for producing the same | |
| CN108516556A (en) | A method of preparing high-purity silicon dioxide using white residue | |
| CN117735486B (en) | A method for enhancing sulfur thermal fusion separation through pretreatment of metallic sulfur slag | |
| WO2009071284A1 (en) | Method for treating cyclone dust occurring during chlorination of raw materials containing titanium | |
| CN116200610A (en) | A method for recovering strontium from manganese leaching slag | |
| CN104692427A (en) | Brown aluminum oxide smelting process | |
| CN116040648B (en) | Online descaling method for rotary molecular sieve roasting furnace and its application | |
| CN1206165C (en) | Preparation of chromium anhydride | |
| CN107697949B (en) | Titanium dioxide production process for chloridizing scar-removing sand by sulfuric acid method kiln dropping product | |
| EP1060219B1 (en) | PROCESS AND FURNACE FOR THE PRODUCTION OF TiO2 PIGMENT ACCORDING TO THE SULFATE PROCESS | |
| CN114604873A (en) | Process for producing high-dispersion precipitated white carbon black by utilizing recycled waste plastics | |
| CN113428895A (en) | Calcining method of metatitanic acid by sulfuric acid process | |
| CN107176615B (en) | A kind of recycling technology of titanium dioxide by-product ferrous sulfate | |
| CN115650291A (en) | Method for preparing high-quality tablet vanadium pentoxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200804 |