阅读说明：本技术 石英砂无酸提纯药剂工艺 (Quartz sand acid-free medicament purification process ) 是由 陈国伟 于 2021-09-13 设计创作，主要内容包括：本发明公开一种石英砂无酸提纯药剂工艺,包括以下步骤：S10：将石英砂矿浆浓度调为：33.3％,且石英砂矿浆固液体积比为1:2,然后再将调节后的石英砂矿浆加入匀浆超声络合槽当中；S20：利用二氧化硫脲、氢氧化钠、大苏打和草酸盐进行混合配药；S30：将S20配制的药剂经先后顺序延时3分钟分别投入匀浆状态下的超声络合槽内,矿浆在超声络合槽内反应。该石英砂无酸提纯药剂工艺,将配制的药剂经先后顺序延时3分钟分别投入匀浆状态下的超声络合槽内,矿浆在超声络合槽内反应,矿浆在超声络合槽内反应时间为：60-120分钟,经反应后的矿浆迅速进入螺旋清洗机将石英砂与络合液分离,脱去络合液的石英砂再进入另一螺旋清洗机注入去离子水将石英砂多次清洗。(The invention discloses a quartz sand acid-free medicament purification process, which comprises the following steps: s10: adjusting the concentration of the quartz sand ore pulp as follows: 33.3 percent and the solid-liquid volume ratio of the quartz sand ore pulp is 1:2, and then the adjusted quartz sand ore pulp is added into the homogenizing ultrasonic complexing groove; s20: mixing thiourea dioxide, sodium hydroxide, sodium bicarbonate and oxalate for dispensing; s30: the medicaments prepared by S20 are respectively put into an ultrasonic complexing groove in a homogenate state after 3 minutes of time delay in sequence, and the ore pulp reacts in the ultrasonic complexing groove. According to the process for purifying the quartz sand medicament without acid, the prepared medicament is sequentially delayed for 3 minutes and then respectively put into an ultrasonic complexing groove in a homogenate state, ore pulp reacts in the ultrasonic complexing groove, and the reaction time of the ore pulp in the ultrasonic complexing groove is as follows: and (3) after 60-120 minutes, the reacted ore pulp quickly enters a spiral cleaning machine to separate the quartz sand from the complexing liquid, and the quartz sand without the complexing liquid enters another spiral cleaning machine to be injected with deionized water to clean the quartz sand for multiple times.)

1. A quartz sand acid-free medicament purification process; the method is characterized by comprising the following steps:

s10: adjusting the concentration of the quartz sand ore pulp as follows: 33.3 percent and the solid-liquid volume ratio of the quartz sand ore pulp is 1:2, and then the adjusted quartz sand ore pulp is added into the homogenizing ultrasonic complexing groove;

s20: mixing thiourea dioxide, sodium hydroxide, sodium bicarbonate and oxalate for dispensing;

s30: sequentially delaying the medicaments prepared in the step S20 for 3 minutes, respectively putting the medicaments into an ultrasonic complexing groove in a homogenate state, and reacting ore pulp in the ultrasonic complexing groove;

s40: the reacted ore pulp quickly enters a spiral cleaning machine to separate quartz sand from the complexing liquid;

s50: and the quartz sand without the complexing liquid enters another spiral cleaning machine and is injected with deionized water to clean the quartz sand for multiple times, so that high-purity quartz sand is obtained.

2. The process for purifying quartz sand without acid according to claim 1, wherein: the quartz sand slurry is prepared by mixing quartz sand with granularity of 30-150 meshes and water, wherein the uninterrupted input frequency of the quartz sand and the water is as follows: 20KH and power: 3 kw/square meter homogenate diversion-type ultrasonic cleaning machine.

3. The process for purifying quartz sand without acid according to claim 1, wherein: thiourea dioxide, sodium hydroxide, sodium bicarbonate and oxalate in the S20 were added in amounts of 0.7%, 0.35%, 1.5% and 0.35% by mass, respectively, based on the mass of the sand.

4. The process for purifying quartz sand without acid according to claim 1, wherein: the reaction time of the ore pulp in the S30 in the ultrasonic complexing tank is as follows: 60-120 minutes.

5. The process for purifying quartz sand without acid according to claim 1, wherein: the S30 is an iron removal stage of the process, and S30 is formed by reaction between quartz sand pulp in S10 and liquid medicine prepared by S20.

6. The process for purifying quartz sand without acid according to claim 1, wherein: the S40 is a separation stage of the process, and the S50 is a purification stage of the process.

7. The process for purifying quartz sand without acid according to claim 1, wherein: and the S40 and the S50 adopt a spiral cleaning machine to clean the quartz sand, the quartz sand in the S40 contains the complexing liquid, and the quartz sand in the S50 does not contain the complexing liquid.

Technical Field

The invention relates to the technical field of quartz sand, in particular to a quartz sand acid-free medicament purification process.

Background

The quartz sand is quartz particles formed by crushing and processing quartz stones. Quartz is a non-metallic mineral, a silicate mineral that is hard, wear resistant, and chemically stable. The color of the quartz sand is milky white or colorless and semitransparent, and the Mohs hardness is 7;

at present, the purification of quartz sand into high-purity quartz sand is carried out by reducing and dissolving mineral impurities such as film iron on the surface of quartz sand in an acid attack mode, and then washing with clear water to obtain the high-purity quartz sand. Although the acid leaching method has good purification effect, the method has great pollution to the environment, the acid leaching generally adopts hydrochloric acid, sulfuric acid and oxalic acid, the pH value of the acid leaching is kept about 2, the acid leaching belongs to strong acids, a large amount of waste water generated by cleaning the acid liquor in addition to the acid liquor cannot be directly discharged, the waste water treatment cost is high, acid gas leaks in the soaking process, and the life safety of production workers and peripheral personnel is seriously threatened;

there is a need for improved technology upgrades to the above-mentioned problems.

Disclosure of Invention

The invention aims to provide an acid-free quartz sand medicament purification process, which aims to solve the problems that the prior art for purifying quartz sand into high-purity quartz sand proposed by the background art adopts an acid-leaching mode to reduce and dissolve mineral impurities such as thin film iron on the surface of the quartz sand, and then the quartz sand is washed by clear water to obtain the high-purity quartz sand. Although the acid leaching method has good purification effect, the method has great pollution to the environment, the acid leaching generally adopts hydrochloric acid, sulfuric acid and oxalic acid, the pH value of the acid leaching is kept about 2, the acid leaching belongs to strong acids, a large amount of waste water generated by cleaning the acid liquor in addition to the acid liquor cannot be directly discharged, the waste water treatment cost is high, acid gas leaks in the soaking process, and the life safety of production workers and peripheral personnel is seriously threatened.

In order to achieve the purpose, the invention provides the following technical scheme: an acid-free quartz sand medicament purification process comprises the following steps: s10: adjusting the concentration of the quartz sand ore pulp as follows: 33.3 percent and the solid-liquid volume ratio of the quartz sand ore pulp is 1:2, and then the adjusted quartz sand ore pulp is added into the homogenizing ultrasonic complexing groove;

s20: mixing thiourea dioxide, sodium hydroxide, sodium bicarbonate and oxalate for dispensing;

s30: sequentially delaying the medicaments prepared in the step S20 for 3 minutes, respectively putting the medicaments into an ultrasonic complexing groove in a homogenate state, and reacting ore pulp in the ultrasonic complexing groove;

s40: the reacted ore pulp quickly enters a spiral cleaning machine to separate quartz sand from the complexing liquid;

s50: and the quartz sand without the complexing liquid enters another spiral cleaning machine and is injected with deionized water to clean the quartz sand for multiple times, so that high-purity quartz sand is obtained.

Preferably, the quartz sand slurry is prepared by mixing quartz sand with a granularity of 30-150 meshes and water, wherein the uninterrupted input frequency of the quartz sand and the water is as follows: 20KH and power: 3 kw/square meter homogenate diversion-type ultrasonic cleaning machine.

Preferably, thiourea dioxide, sodium hydroxide, sodium bicarbonate and oxalate in S20 are added in amounts of 0.7%, 0.35%, 1.5% and 0.35% by mass, respectively, of the mass of the sand.

Preferably, the reaction time of the ore pulp in the S30 in the ultrasonic complexing tank is as follows: 60-120 minutes.

Preferably, the S30 is an iron removal stage of the process, and the S30 is formed by reaction between the quartz sand slurry in the S10 and the chemical solution prepared in the S20.

Preferably, the S40 is a separation stage of the process, and the S50 is a purification stage of the process.

Preferably, the quartz sand is cleaned by the spiral cleaning machine in both S40 and S50, and the quartz sand in S40 contains the complexing liquid, and the quartz sand in S50 does not contain the complexing liquid.

Compared with the prior art, the quartz sand acid-free medicament purification process has the beneficial effects that: respectively putting the prepared medicaments into an ultrasonic complexing groove in a homogenate state after delaying for 3 minutes in sequence, wherein ore pulp reacts in the ultrasonic complexing groove, and the reaction time of the ore pulp in the ultrasonic complexing groove is as follows: and (3) after 60-120 minutes, the reacted ore pulp quickly enters a spiral cleaning machine to separate the quartz sand from the complexing liquid, the quartz sand without the complexing liquid enters another spiral cleaning machine to be injected with deionized water to clean the quartz sand for multiple times, so that the removal of the quartz sand film iron is completed, the removal rate can reach more than 95%, and thus, no acidic waste liquid is generated in the production process.

1. When in use, the concentration of the quartz sand ore pulp is adjusted as follows: 33.3 percent and the solid-liquid volume ratio of the quartz sand ore pulp is 1:2, then adding the adjusted quartz sand ore pulp into a homogenizing ultrasonic complexing groove, simultaneously mixing and dispensing by utilizing thiourea dioxide, sodium hydroxide, sodium bicarbonate and oxalate, wherein the adding mass of the thiourea dioxide, the sodium hydroxide, the sodium bicarbonate and the oxalate is respectively 0.7 percent, 0.35 percent, 1.5 percent and 0.35 percent of the mass of the sand, delaying the prepared medicament for 3 minutes in sequence, respectively adding the prepared medicament into the ultrasonic complexing groove in a homogenizing state, reacting the ore pulp in the ultrasonic complexing groove, and the reaction time of the ore pulp in the ultrasonic complexing groove is as follows: and (3) after 60-120 minutes, the reacted ore pulp quickly enters a spiral cleaning machine to separate the quartz sand from the complexing liquid, the quartz sand without the complexing liquid enters another spiral cleaning machine to be injected with deionized water to clean the quartz sand for multiple times, so that the removal of the quartz sand film iron is completed, the removal rate can reach more than 95%, and thus, no acidic waste liquid is generated in the production process.

Drawings

FIG. 1 is a schematic view of the operation of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: an acid-free quartz sand medicament purification process comprises the following steps: s10: adjusting the concentration of the quartz sand ore pulp as follows: 33.3 percent and the solid-liquid volume ratio of the quartz sand ore pulp is 1:2, and then the adjusted quartz sand ore pulp is added into the homogenizing ultrasonic complexing groove;

s20: mixing thiourea dioxide, sodium hydroxide, sodium bicarbonate and oxalate for dispensing;

s30: sequentially delaying the medicaments prepared in the step S20 for 3 minutes, respectively putting the medicaments into an ultrasonic complexing groove in a homogenate state, and reacting ore pulp in the ultrasonic complexing groove;

s40: the reacted ore pulp quickly enters a spiral cleaning machine to separate quartz sand from the complexing liquid;

s50: and the quartz sand without the complexing liquid enters another spiral cleaning machine and is injected with deionized water to clean the quartz sand for multiple times, so that high-purity quartz sand is obtained.

Quartz sand with the granularity of 30-150 meshes is mixed with water, and the uninterrupted input frequency of the quartz sand and the water is as follows: 20KH and power: a homogenate diversion type ultrasonic cleaning machine with the volume per square meter of 3 kw; thiourea dioxide, sodium hydroxide, sodium bicarbonate and oxalate in the S20 were added in amounts of 0.7%, 0.35%, 1.5% and 0.35% by mass of the sand, respectively; the reaction time of the ore pulp in the S30 in the ultrasonic complexing tank is as follows: 60-120 minutes; s30 is an iron removal stage of the process, and S30 is formed by reaction between quartz sand pulp in S10 and liquid medicine prepared from S20; s40 is a separation stage of the process, and S50 is a purification stage of the process; s40 and S50 adopt spiral cleaning machines to clean the quartz sand, the quartz sand in S40 contains complexing liquid, the quartz sand in S50 does not contain complexing liquid, and the concentration of the quartz sand pulp is adjusted to be as follows: 33.3 percent and the solid-liquid volume ratio of the quartz sand ore pulp is 1:2, then adding the adjusted quartz sand ore pulp into a homogenizing ultrasonic complexing groove, simultaneously mixing and dispensing by utilizing thiourea dioxide, sodium hydroxide, sodium bicarbonate and oxalate, wherein the adding mass of the thiourea dioxide, the sodium hydroxide, the sodium bicarbonate and the oxalate is respectively 0.7 percent, 0.35 percent, 1.5 percent and 0.35 percent of the mass of the sand, delaying the prepared medicament for 3 minutes in sequence, respectively adding the prepared medicament into the ultrasonic complexing groove in a homogenizing state, reacting the ore pulp in the ultrasonic complexing groove, and the reaction time of the ore pulp in the ultrasonic complexing groove is as follows: and (3) after 60-120 minutes, the reacted ore pulp quickly enters a spiral cleaning machine to separate the quartz sand from the complexing liquid, the quartz sand without the complexing liquid enters another spiral cleaning machine to be injected with deionized water to clean the quartz sand for multiple times, so that the removal of the quartz sand film iron is completed, the removal rate can reach more than 95%, and thus, no acidic waste liquid is generated in the production process.

In summary, the following steps: in the process of using quartz sand to purify the medicament without acid, the prepared medicaments are respectively put into an ultrasonic complexing groove in a homogenate state after 3 minutes of time delay in sequence, ore pulp reacts in the ultrasonic complexing groove, and the reaction time of the ore pulp in the ultrasonic complexing groove is as follows: 60-120 minutes, the reacted ore pulp enters a spiral cleaning machine rapidly to separate quartz sand from complexing liquid, the quartz sand without complexing liquid enters another spiral cleaning machine to inject deionized water to clean the quartz sand for multiple times, so that high-purity quartz sand is obtained, the removal rate of the quartz sand film iron is completed, the removal rate can reach more than 95%, so that no acidic waste liquid is generated in the production process, the characteristic of the process for purifying the medicament of the quartz sand without acid is realized, and the content which is not described in detail in the description belongs to the prior art known by professionals in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.