阅读说明：本技术 粉状钠硝石连续制卤系统 (Powdery nitratine continuous halogen making system ) 是由 荣大林 温红博 李�一 马涛 宋玉东 于 2020-09-07 设计创作，主要内容包括：本发明涉及钠硝石矿粉制卤系统的技术领域,是一种粉状钠硝石连续制卤系统,其包括从前至后依次设置的进料仓、物料传送带、搅拌罐、第一轮斗式洗砂机、第二轮斗式洗砂机、脱水筛、料渣传送带,搅拌罐与第一轮斗式洗砂机通过设置溜槽相连通,在第一轮斗式洗砂机、第二轮斗式洗砂机处还分别设置有第一旋流器与第二旋流器。通过设置第一轮斗式洗砂机和与之对应的砂浆泵及第一旋流器,可以对硝酸钠进行第一次的提取,通过设置第二轮斗式洗砂机和与之对应的砂浆泵及第二旋流器,可以对硝酸钠进行第二次的提取,最后利用砂浆泵对脱水筛产生的筛后液进行抽吸、输送,对硝酸钠进行第三次的提取,进而充分利用钠硝石矿粉中的硝酸钠成分。(The invention relates to the technical field of a nitratine mineral powder bittern-making system, in particular to a powdery nitratine continuous bittern-making system which comprises a feeding bin, a material conveying belt, a stirring tank, a first wheel bucket type sand washer, a second wheel bucket type sand washer, a dewatering screen and a material residue conveying belt which are sequentially arranged from front to back, wherein the stirring tank is communicated with the first wheel bucket type sand washer through a chute, and a first cyclone and a second cyclone are respectively arranged at the first wheel bucket type sand washer and the second wheel bucket type sand washer. Through setting up first wheel bucket sand washer and mortar pump and the first swirler that corresponds with it, can carry out extraction for the first time to sodium nitrate, through setting up second wheel bucket sand washer and mortar pump and the second swirler that corresponds with it, can carry out extraction for the second time to sodium nitrate, utilize the mortar pump to carry out suction, transport to the sieve back liquid that the dewatering screen produced at last, carry out extraction for the third time to sodium nitrate, and then make full use of the sodium nitrate composition in the sodium nitrate nitre powdered ore.)

1. The continuous bittern making system for powdery sodium niter is characterized by comprising a feeding bin, a material conveying belt, an agitating tank, a first wheel bucket type sand washer, a second wheel bucket type sand washer, a clarification tank, a brine pool, a dewatering screen, a material residue conveying belt and a water tank, wherein the upper side and the lower side of the feeding bin are respectively a feeding side and a discharging side, the discharging side of the feeding bin is provided with the material conveying belt capable of conveying materials into the agitating tank, the rear part of the agitating tank is respectively provided with the first wheel bucket type sand washer and the second wheel bucket type sand washer, a washing tank on the first wheel bucket type sand washer is communicated with the discharging end of the bottom of the agitating tank through a chute, an impeller on the first wheel bucket type sand washer can bring the materials in the washing tank into the washing tank of the second wheel bucket type sand washer, and first cyclones and second wheel bucket type sand washers are correspondingly arranged on the first wheel bucket type sand washer and the second wheel bucket type sand washer respectively, A second cyclone, a liquid inlet of the first cyclone is communicated with a washing tank of the first wheel bucket type sand washer through a pipeline with a mortar pump, a bottom flow port at the lower part of the first cyclone corresponds to the washing tank of the second wheel bucket type sand washer, a pipeline capable of discharging liquid to a clarification tank is arranged at an overflow port at the upper part of the first cyclone, a brine tank is communicated with the clarification tank, a first pipeline capable of conveying brine outwards and a second pipeline capable of conveying brine to a stirring tank are respectively arranged on the brine tank, a liquid inlet of the second cyclone is communicated with the washing tank of the second wheel bucket type sand washer through a pipeline with a mortar pump, a dewatering screen is arranged at the rear part of the second wheel bucket type sand washer, the bottom flow port at the lower part of the second cyclone corresponds to the feeding side of the dewatering screen, a pipeline capable of discharging liquid to the stirring tank is arranged at the overflow port at the upper part of the second cyclone, a pipeline capable of injecting water into the washing tank of the second wheel bucket type sand washer is arranged on, the impeller on the second wheel bucket type sand washer can bring the materials in the washing tank into the feeding side of the dewatering screen, the discharging side of the dewatering screen is correspondingly provided with a material residue conveying belt, a liquid storage tank for storing liquid after screening is arranged below the screen on the dewatering screen, and the liquid storage tank is communicated with the washing tank of the first wheel bucket type sand washer through a pipeline with a mortar pump.

2. The continuous halogen making system for powdery nitratine, according to claim 1, is characterized in that at least one vibrator is further installed on the outer wall of the feeding bin.

Technical Field

The invention relates to the technical field of a nitratine mineral powder halogen preparation system, in particular to a powdery nitratine continuous halogen preparation system.

Background

The method is characterized in that the Turpan shanshan county storehouse latticed desert in Xinjiang is rich in a large amount of nitratine resources, the nitratine is rich in sodium nitrate, sodium nitrate is an important raw material for preparing potassium nitrate, most of the existing production processes only utilize granular nitratine to produce, a large amount of mineral powder rich in sodium nitrate and generated after the nitratine is screened is not effectively utilized, waste is caused, and certain pollution can be caused to the environment.

Disclosure of Invention

The invention provides a continuous halogen making system for powdery nitratine, overcomes the defects of the prior art, and can effectively solve the problems of resource waste and environmental pollution caused by lack of a production system for fully utilizing nitratine mineral powder in the prior art.

The purpose of the application is realized as follows: the continuous bittern making system for the powdery sodium nitrolite comprises a feeding bin, a material conveying belt, an agitating tank, a first wheel bucket type sand washer, a second wheel bucket type sand washer, a clarification tank, a brine tank, a dewatering screen, a material residue conveying belt and a water tank, wherein the upper side and the lower side of the feeding bin are respectively a feeding side and a discharging side, the material conveying belt capable of conveying materials into the agitating tank is installed on the discharging side of the feeding bin, the first wheel bucket type sand washer and the second wheel bucket type sand washer are respectively arranged behind the agitating tank, a washing tank on the first wheel bucket type sand washer is communicated with the discharging end of the bottom of the agitating tank through a chute, an impeller on the first wheel bucket type sand washer can bring the materials in the washing tank into the washing tank of the second wheel bucket type sand washer, a first swirler and a second swirler are respectively and correspondingly arranged at the first wheel bucket type sand washer and the second wheel bucket type sand washer, a pipe with a sand pump is arranged between a liquid inlet of the first swirler and a pulp washing tank of the first wheel bucket type sand washer The pipeline is communicated, a bottom flow port at the lower part of the first cyclone corresponds to a washing tank of the second wheel bucket type sand washer, a pipeline capable of discharging liquid to a clarification tank is arranged at an overflow port at the upper part of the first cyclone, the brine tank is communicated with the clarification tank, a first pipeline capable of conveying brine outwards and a second pipeline capable of conveying brine to a stirring tank are respectively arranged on the brine tank, a liquid inlet of the second cyclone is communicated with the washing tank of the second wheel bucket type sand washer through a pipeline with a mortar pump, the dewatering screen is arranged behind the second wheel bucket type sand washer, the bottom flow port at the lower part of the second cyclone corresponds to the feeding side of the dewatering screen, the pipeline capable of discharging liquid to the stirring tank is arranged at the overflow port at the upper part of the second cyclone, a pipeline capable of injecting water into the washing tank of the second wheel bucket type sand washer is arranged on the water tank, and the impeller on the second wheel bucket type sand washer can bring materials in the washing tank into the feeding side of the dewatering screen, the material residue conveyer belt is correspondingly installed on the discharge side of the dewatering screen, a liquid storage tank for storing liquid after screening is arranged below the screen on the dewatering screen, and the liquid storage tank is communicated with the washing tank of the first wheel bucket type sand washer through a pipeline with a mortar pump.

The following is further optimization or/and improvement of the technical scheme of the invention: furthermore, at least one vibrator is arranged on the outer wall of the feeding bin.

The invention has reasonable and compact structure, can extract sodium nitrate dissolved in the washing tank of the first hopper type sand washer for the first time by arranging the first wheel hopper type sand washer, the corresponding mortar pump and the first cyclone, can extract the sodium nitrate entering the washing tank of the second hopper type sand washer for the second time by arranging the second wheel hopper type sand washer, the corresponding mortar pump and the second cyclone, and finally utilizes the mortar pump to suck and convey screened liquid generated by the dewatering screen, extracts the sodium nitrate component in the screened liquid for the third time, and can fully utilize the sodium nitrate component in the nitratine ore powder by extracting the sodium nitrate in the nitratine ore powder for the third time, thereby not only avoiding the waste of natural resources of the sodium nitrate, but also protecting the environment.

Drawings

The specific structure of the application is given by the following figures and examples:

FIG. 1 is a schematic structural diagram of a continuous halogen-making system for powdery nitratine.

Legend: 1. the device comprises a feeding bin, 2, a material conveying belt, 3, an agitator tank, 4, a first bucket type sand washer, 5, a second bucket type sand washer, 6, a washing tank, 7, an impeller, 8, a clarification tank, 9, a brine tank, 10, a dewatering screen, 11, a slag conveying belt, 12, a water tank, 13, a first cyclone, 14, a second cyclone, 15, a first pipeline, 16, a second pipeline, 17, a mortar pump, 18, a vibrator, 19 and a chute.

Detailed Description

The present application is not limited to the following examples, and specific implementations may be determined according to the technical solutions and practical situations of the present application.

In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of up, down, left, right, etc. is determined in accordance with the layout direction of fig. 1 in the specification.

The invention is further described below with reference to examples and figures, examples being: as shown in the attached drawing 1, the continuous bittern making system for powdery sodium niter comprises a feeding bin 1, a material conveying belt 2, an agitating tank 3, a first wheel bucket type sand washer 4, a second wheel bucket type sand washer 5, a clarification tank 8, a brine tank 9, a dewatering screen 10, a material residue conveying belt 11 and a water tank 12, wherein the upper side and the lower side of the feeding bin 1 are respectively a feeding side and a discharging side, the material conveying belt 2 capable of conveying materials into the agitating tank 3 is installed on the discharging side of the feeding bin 1, the first wheel bucket type sand washer 4 and the second wheel bucket type sand washer 5 are respectively arranged behind the agitating tank 3, a washing tank 6 on the first wheel bucket type sand washer 4 is communicated with the discharging end of the bottom of the agitating tank 3 through a chute 19, an impeller 7 on the first wheel bucket type sand washer 4 can bring the materials in the washing tank 6 into a washing tank 6 of the second wheel bucket type sand washer 5, and the first wheel bucket type sand washer 4, the second wheel bucket type sand washer 4, a first cyclone 13 and a second cyclone 14 are correspondingly arranged at the position of the second wheel bucket type sand washer 5 respectively, a liquid inlet of the first cyclone 13 is communicated with the washing tank 6 of the first wheel bucket type sand washer 4 through a pipeline with a mortar pump 17, a bottom flow port at the lower part of the first cyclone 13 is corresponding to the washing tank 6 of the second wheel bucket type sand washer 5, a pipeline capable of discharging liquid to the clarification tank 8 is arranged at an overflow port at the upper part of the first cyclone 13, the brine tank 9 is communicated with the clarification tank 8, a first pipeline 15 capable of conveying brine outwards and a second pipeline 16 capable of conveying brine to the stirring tank 3 are respectively arranged on the brine tank 9,

the liquid inlet of the second cyclone 14 is communicated with the washing tank 6 of the second wheel bucket type sand washer 5 through a pipeline with a mortar pump 17, the dewatering screen 10 is arranged behind the second wheel bucket type sand washer 5, the underflow port at the lower part of the second cyclone 14 corresponds to the feeding side of the dewatering screen 10, the overflow port at the upper part of the second cyclone 14 is provided with a pipeline capable of draining liquid into the stirring tank 3, the water tank 12 is provided with a pipeline capable of injecting water into the washing tank 6 of the second wheel bucket type sand washer 5, the impeller 7 on the second wheel bucket type sand washer 5 can bring the material in the washing tank 6 into the feeding side of the dewatering screen 10, the discharging side of the dewatering screen 10 is correspondingly provided with a slag conveyor belt 11, a liquid storage tank for storing the liquid after the screen is arranged below the screen on the dewatering screen 10, and the liquid storage tank is communicated with the washing tank 6 of the first wheel bucket type sand washer 4 through a pipeline with a mortar pump 17.

Directly pouring the nitratine ore powder into a feeding bin 1 through a conveyor belt or a forklift, allowing the nitratine ore powder material rich in sodium nitrate to fall onto a material conveyor belt 2 through the feeding bin 1, conveying the nitratine ore powder material into a stirring tank 3 through the material conveyor belt 2 to be mixed with water and stirred, mixing and dissolving the mixture, then allowing the mixed and dissolved nitratine ore powder material to enter a washing tank 6 of a first wheel bucket type sand washer 4 through a chute 19, so that sodium nitrate in the nitratine ore powder is dissolved into water, wherein the water in the stirring tank 3 mainly refers to weak brine with lower concentration (the weak brine mainly comes from circulating washing water of a salt field, and a small part of the weak brine comes from a second swirler 14 behind, a general potassium nitrate production process, the sodium nitrate concentrated brine is a main raw material for preparing potassium nitrate, and the sodium nitrate concentrated brine is mainly obtained by spraying, circulating washing and leaching the nitratine, then inputting leaching solution into the salt field for solarization evaporation and concentration, at the same time, impurities such as sodium chloride and sodium sulfate are roughly separated by utilizing the difference of inorganic salt solubility to obtain a raw material solution of sodium nitrate concentrated brine, and impurities except sodium nitrate are gradually removed in the subsequent processing).

The first wheel bucket type sand washer 4, the second wheel bucket type sand washer 5, the first cyclone 13, the second cyclone 14 and the dewatering screen 10 are all known in the prior art, the wheel bucket type sand washer drives the impeller 7 in the washing tank 6 to continuously and circularly rotate in the washing tank 6 through the transmission of a motor and a reducer, so that solid insoluble substances such as sand, slag and the like in the washing tank 6 are stirred, overturned and elutriated in water, and the water-bearing materials are dewatered in the impeller 7 and then discharged.

After the nitratine ore powder is elutriated by the first wheel bucket type sand washer 4, inorganic salts such as sodium nitrate and sodium chloride in the nitratine ore powder are further dissolved into water in the washing tank 6, the sodium nitrate is extracted for the first time by using a mortar pump 17 and a first cyclone 13 at the first wheel bucket type sand washer 4, liquid and a part of solid insoluble substances (mainly sand and slag) in the washing tank 6 are sucked into the first cyclone 13 by the mortar pump 17, the other part of the solid insoluble substances are conveyed into the washing tank 6 in the second wheel bucket type sand washer 5 by a rotating impeller 7, the solid insoluble substances in the first cyclone 13 flow into the washing tank 6 of the second wheel bucket type sand washer 5 through a bottom flow port at the lower part of the first cyclone 13, the liquid in the first cyclone 13 is discharged from an overflow port at the upper part and flows into a settling pond 8 for settling and clarification, and then is transferred into a brine pond 9, if the concentration of brine (the main component of the aqueous solution of sodium nitrate) in the brine tank 9 cannot meet the production requirement, the brine is discharged back into the stirring tank 3 through the second pipeline 16 for recycling, sodium nitrate in the nitratine ore powder in the stirring tank 3 is continuously dissolved, and then flow control valves arranged on the pipelines are matched to achieve the purpose of brine thickening, so that the concentration of the brine in the brine tank 9 finally meets the use requirement, and at the moment, the brine in the brine tank 9 is discharged to a leaching tank or a storage tank for leaching the nitratine through the first pipeline 15 for utilization.

Since the insoluble solid matter entering the second bucket type sand washer 5 enters together with a part of the liquid, a certain amount of sodium nitrate still exists in the washing tank 6 of the second bucket type sand washer 5, in order to fully utilize the useful sodium nitrate component, the invention extracts the sodium nitrate for the second time, the liquid and a part of the insoluble solid matter in the corresponding washing tank 6 can be sucked into the second cyclone 14 through the mortar pump 17 and the second cyclone 14 at the second bucket type sand washer 5, the liquid containing the sodium nitrate component returns to the stirring tank 3 along the corresponding pipeline through the overflow port at the upper part of the second cyclone 14 and is repeatedly utilized to continuously thicken the brine concentration in the brine tank 9 (namely, the content of the sodium nitrate in the brine is increased), the insoluble solid matter in the second cyclone 14 enters the dewatering screen 10 through the bottom flow port at the lower part of the second cyclone 14, the other part of the solid insoluble substances are conveyed to a dewatering screen 10 through an impeller 7 on a second bucket type sand washer 5, the washing water in a washing tank 6 of the second bucket type sand washer 5 mainly comes from a water tank 12, and water and domestic wastewater which are low in production pollution in some factories are mainly stored in the water tank 12. The slurry of the solid insoluble substance entering the dewatering screen 10 also contains larger moisture, so as to further fully utilize the sodium nitrate component dissolved in water, the invention extracts the sodium nitrate for the third time, the slurry of the solid insoluble substance is subjected to solid-liquid separation by the dewatering screen 10, the screened liquid enters the liquid storage tank, then the screened liquid of the dewatering screen 10 is input into the washing tank 6 of the first wheel bucket type sand washer 4 by the mortar pump 17 for recycling, the solid insoluble substance treated by the dewatering screen 10 is finally conveyed to a storage yard by the slag conveyor belt 11 for storage, and the whole treatment process of the sodalite mineral powder is completed.

The invention has simple structure, small industrial water consumption, high sand washing efficiency and strong continuous operability, can fully extract the useful component of sodium nitrate remained in the nitratine ore powder, effectively utilize the useful component, reduces the waste of resources and has strong practicability.

According to the actual need, the continuous halogen making system for the powdery nitratine is further optimized or/and improved: further, as shown in fig. 1, at least one vibrator 18 is installed on the outer wall of the feeding bin 1.

The vibrator 18 is a rod-shaped hollow cylinder, an eccentric vibrator is arranged in the vibrator 18, the vibrator is driven by a motor to rotate at a high speed to generate high-frequency micro-amplitude vibration, the vibrator 18 can enable the nitratine ore powder adhered to the inner wall of the feeding bin 1 to be shaken off to the maximum extent, the nitratine ore powder can better fall onto the material conveying belt 2, the nitratine ore powder is fully utilized, and meanwhile the nitratine ore powder can be effectively prevented from blocking the feeding bin 1.

The foregoing description is by way of example only and is not intended as limiting the embodiments of the present application. All obvious variations and modifications of the present invention are within the scope of the present invention.