CN221046066U - Be used for mineral source nitro humic acid production system - Google Patents

Abstract

The utility model provides a production system for mineral source nitro humic acid, belonging to the technical field of humic acid production. The device comprises a raw material bin, an acid distribution tank, a quantitative conveyor, a vertical reaction kettle, a vibration screening machine, a temporary storage bin, a Raymond mill and a material collector, wherein the raw material bin, the acid distribution tank, the quantitative conveyor, the vertical reaction kettle, the vibration screening machine, the temporary storage bin, the Raymond mill and the material collector; the quantitative conveyor is used for conveying raw coal in the raw material bin to the vertical reaction kettle, and spraying nitric acid prepared in the acid preparation tank into the vertical reaction kettle through the acid preparation pump. According to the utility model, the revolution and rotation scraping assembly is arranged to scrape the mixture adhered to the inner wall of the stirring barrel, so that the working efficiency is improved, even if the specific gravity and the particle size of the materials are different, a good mixing effect can be achieved under the staggered throwing of the stirring blades, dead angles are avoided, the raw material feeding adopts a quantitative conveyor, the coal acid ratio is ensured to be constant in the reaction process, and the product quality is stable.

Description

Be used for mineral source nitro humic acid production system

Technical Field

The utility model relates to the technical field of humic acid production, in particular to a production system for mineral source nitro humic acid.

Background

The mineral source nitro humic acid is formed by oxidizing and nitrifying lignite and nitric acid, introducing nitro, and simultaneously increasing active functional groups, especially tautomerism of p-nitrophenol structure, so as to form a quinone structure, thereby greatly improving the chemical activity and biological activity of the humic acid. The activity of the nitro humic acid is far higher than that of the common humic acid.

The humic acid production equipment with the publication number of CN113145055A provides equipment for producing humic acid, and also comprises a flue gas treatment system, a hot water circulation system, a cold water circulation system and a dust removal system which are respectively connected with the nitric acid configuration system; the nitric acid configuration system comprises a pushing machine, an acid storage tank, a blending tank and an activation reactor, wherein the blending tank is also connected with the waste acid tank, and the pushing machine, the acid storage tank, the blending tank and the activation reactor are respectively two. The equipment for producing humic acid can not only meet the basic function of producing humic acid, but also increase the stirring range and the mixing quantity, ensure constant reaction conditions, improve the recovery rate of nitric acid, and solve the problems of insufficient humic acid activity or decomposed effective components, high acid content of products, fluctuation of water content and low overall quality.

However, the above scheme has the following drawbacks:

1. The raw materials entering the reaction kettle cannot be accurately measured, and the ratio of the raw materials to nitric acid is not fixed, so that the quality of the product is unstable;

2. the reaction process is one-time reaction, all raw materials cannot be determined to react with nitric acid, and the product quality is uncontrollable;

3. The reaction kettle is horizontal, and corners are easy to have dead angles in the stirring process, so that the reaction of products is insufficient.

Disclosure of utility model

The utility model aims to solve the technical problems that a reaction kettle is horizontal in the existing humic acid production, dead angles are easy to exist in corners in the stirring process, so that the reaction of products is insufficient, raw materials entering the reaction kettle cannot be accurately metered, the ratio of the raw materials to nitric acid is not fixed, the quality of the products is unstable, the reaction process is one-time reaction, all the raw materials cannot be determined to react with the nitric acid, and the quality of the products is uncontrollable.

In order to solve the technical problems, the utility model provides the following technical scheme:

The production system for the mining source nitro humic acid comprises a raw material bin, an acid distribution tank, a quantitative conveyor, a vertical reaction kettle, a vibration screening machine, a temporary storage bin, a Raymond mill and a material collector, wherein the raw material bin, the acid distribution tank, the quantitative conveyor, the vertical reaction kettle, the vibration screening machine, the temporary storage bin, the Raymond mill and the material collector; the quantitative conveyor is used for conveying raw coal in the raw material bin into the vertical reaction kettle, and spraying nitric acid prepared in the acid preparation tank into the vertical reaction kettle through the acid preparation pump, wherein the vertical reaction kettle is used for stirring materials in an up-and-down rolling manner; the vibration screening machine is used for screening the activated materials; the activated materials enter a material temporary storage bin through an oversize outlet of the vibrating screen classifier, and the unactivated materials return to a raw material bin through an undersize outlet of the vibrating screen classifier; the Raymond mill performs physical grinding on the activated materials;

The production system comprises the following steps;

Firstly, conveying raw coal in a raw material bin to a vertical reaction kettle by a quantitative conveyor, spraying nitric acid prepared in an acid preparation tank on raw materials in the vertical reaction kettle through an acid preparation pump to react with the raw materials, and stirring the materials in the vertical reaction kettle in a vertically rolling way, so that a large amount of raw materials are uniformly mixed in a short time and activated for reaction;

Step two, enabling the activated product to enter a vibrating screening machine from an outlet at the lower end of the vertical reaction kettle through a connecting pipeline for screening, enabling the activated material to enter a material temporary storage bin through an oversize outlet of the vibrating screening machine, and returning the unactivated material to a raw material bin through an undersize outlet of the vibrating screening machine;

And thirdly, enabling the activated material to enter a Raymond mill, enabling the product to be further fully activated for reaction through physical grinding, grinding the product to the required mesh number, enabling the product reaching the required mesh number to enter a material collector, and finally packaging through a material outlet.

Preferably, in the first step, the spraying amount and the spraying speed of the nitric acid are adjustable by an acid preparing pump according to different sources of raw materials and different requirements on product quality.

Preferably, the acid preparing tank and the vertical reaction kettle are connected with an exhaust gas treatment system, a small amount of smoke can be generated in the reaction process of the vertical reaction kettle, and a small amount of nitric acid volatile matters in the smoke and the acid preparing tank are treated by the exhaust gas treatment system.

Preferably, the waste gas treatment system is a waste gas absorption system in the dry-process production of the mineral source nitro humic acid.

Preferably, the Raymond mill and the collector are connected with a dust remover, a conveying pump is arranged between the dust remover and the collector, and a dust outlet is arranged on the dust remover.

Preferably, the vertical reaction kettle comprises a stirring barrel, a hollow shaft is arranged in the stirring barrel, a mounting plate is fixedly connected to the bottom end of the hollow shaft, rotating rods parallel to the inner wall of the stirring barrel are connected to the left side and the right side of the mounting plate through bearings in a rotating mode, rollers are fixedly connected to the top ends of the rotating rods, the rollers are in contact with the inner wall of the stirring barrel, scraping components are arranged at the bottom ends of the rotating rods, the top ends of the hollow shaft penetrate through the upper surface of the stirring barrel, the hollow shaft is in rotating connection with the stirring barrel through bearings, a rotating shaft is connected to the inside of the hollow shaft through bearings in a rotating mode, a spiral stirrer is fixedly connected to the outer surface of the bottom end of the rotating shaft, driving components are arranged at the top ends of the hollow shaft and the rotating shaft, and nitric acid spraying components are mounted at the inner top of the stirring barrel.

Preferably, the agitator is the toper structure, the bottom fixedly connected with discharging pipe of agitator, the left and right sides of agitator upper surface is fixedly connected with inlet pipe and waste gas exit tube respectively.

Preferably, the scraping assembly comprises a fixed box fixedly connected to the bottom end of the rotary rod, a rectangular sliding block is slidably connected to the inside of the fixed box, fixing rods are fixedly connected to two sides of the rectangular sliding block, one ends of the fixing rods, far away from the rectangular sliding block, penetrate through the fixed box and are fixedly connected with a fixing plate, the fixing rods are slidably connected with the fixed box, springs are sleeved on the outer surfaces of the fixing rods, the outer surfaces of the fixing rods are sleeved with springs, one side of each fixing plate is fixedly connected with a scraping plate, and the scraping plates are in contact with the inner wall of the stirring barrel.

Preferably, the driving assembly comprises a box fixedly connected to the upper surface of the stirring barrel, a gear motor is fixedly connected to the upper surface of the box, the output end of the gear motor is located in the stirring barrel and is fixedly connected with a first gear and a second gear, the first gear is larger than the diameter of the second gear, the top ends of the rotating shaft and the hollow shaft are located in the box and are respectively and fixedly connected with a third gear and a fourth gear, and the third gear and the fourth gear are respectively connected with the first gear and the second gear in a meshed mode.

Preferably, the nitric acid sprays the subassembly and includes the fixed pipe of fixed connection inside agitator top, fixed pipe's right-hand member lower surface mounting has a plurality of spray nozzles, fixed pipe left end is linked together with joining in marriage the acid pump, install the control box on the fixed pipe, the inside fixedly connected with baffle of control box, the through-hole has been seted up on the baffle, the left side of through-hole is provided with the sealing block, the right side fixedly connected with slide bar of sealing block, the right-hand member of slide bar runs through control box and fixedly connected with arc piece, the surface cover of slide bar is equipped with the second spring, slide bar and control box sliding connection.

Compared with the prior art, the utility model has at least the following beneficial effects:

1. The vertical reaction kettle is adopted, and the mixture adhered to the inner wall of the stirring barrel is scraped by the scraping component with revolution and rotation, so that the mixture is fully and uniformly mixed, the mixing time is shortened, the working efficiency is improved, and even if the specific gravity and the particle size of materials are different, the good mixing effect can be achieved under the staggered throwing of the stirring blades, and no dead angle exists.

2. The gyro wheel rotates to the left side and can extrude the arc piece, and the arc piece receives to drive slide bar and sealing block after the extrusion and removes and compress the second spring left and right sides intercommunication that makes the fixed pipe this moment, joins in marriage the nitric acid that disposes in the sour jar and follow the spray nozzle blowout along the fixed pipe, stops stirring back sealing block and blocks up the through-hole through the restoring force of second spring to prevent nitric acid blowout, realize the automatic spraying of nitric acid, avoid appearing extravagant.

3. The raw material feeding adopts a quantitative conveyor, so that the constant coal acid ratio in the reaction process and the stable product quality are ensured.

4. And (3) through screening, the unactivated materials reenter the raw material bin to participate in secondary activation, so that the controllable product quality is ensured.

5. The activated product is further fully reacted through physical grinding, so that the activation quality of the product is improved.

Drawings

The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present utility model and, together with the description, further serve to explain the principles of the utility model and to enable a person skilled in the pertinent art to make and use the utility model.

FIG. 1 is a schematic flow diagram of a system for producing mining-derived nitrohumic acid;

FIG. 2 is a schematic structural diagram of a vertical reactor for a mining source nitro humic acid production system;

FIG. 3 is a schematic cross-sectional structure of a vertical reactor for a mining source nitro humic acid production system;

FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;

FIG. 5 is an enlarged schematic view of the structure shown at B in FIG. 3;

FIG. 6 is a schematic diagram of the internal structure of a vertical reactor for a mining source nitro humic acid production system;

Fig. 7 is a schematic structural view of a scraping assembly for a mining-derived nitrohumic acid production system.

[ Reference numerals ]

1. A raw material bin; 2. an acid preparing tank; 3. a quantitative conveyor; 4. a vertical reaction kettle; 5. a vibratory screening machine; 6. temporary storage bin; 7. a Raymond mill; 8. a material collector; 9. preparing an acid pump; 10. a oversize product outlet; 11. an undersize outlet; 12. a material outlet; 13. an exhaust gas treatment system; 14. a dust remover; 15. a transfer pump; 16. a dust outlet; 17. a stirring barrel; 18. a hollow shaft; 19. a mounting plate; 20. a rotating rod; 21. a roller; 22. a scraping assembly; 23. a rotating shaft; 24. a helical agitator; 25. a drive assembly; 26. a nitric acid spray assembly; 1701. a discharge pipe; 1702. a feed pipe; 1703. an exhaust gas outlet pipe; 2201. a fixed box; 2202. a rectangular slide block; 2203. a fixed rod; 2204. a fixing plate; 2205. a spring; 2206. a scraper; 2501. a case; 2502. a speed reducing motor; 2503. a first gear; 2504. a second gear; 2505. a third gear; 2506. a fourth gear; 2601. a fixed tube; 2602. a spray nozzle; 2603. a control box; 2604. a partition plate; 2605. a through hole; 2606. sealing blocks; 2607. a slide bar; 2608. an arc-shaped block; 2609. and a second spring.

Specific structures and devices are labeled in the drawings to enable clear implementation of embodiments of the utility model, but this is merely illustrative and is not intended to limit the utility model to the specific structures, devices and environments that may be modified or adapted by those of ordinary skill in the art, based on the specific needs.

Detailed Description

The utility model provides a production system for mining nitrohumic acid, which is described in detail below with reference to the accompanying drawings and specific examples. While the utility model has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the utility model specifically.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.

It is to be understood that the meaning of "on … …", "on … …" and "over … …" in this disclosure should be read in the broadest sense so that "on … …" means not only "directly on" but also "on" something with intervening features or layers therebetween, and "on … …" or "over … …" means not only "on" or "over" something, but also may include its meaning "on" or "over" something without intervening features or layers therebetween.

Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.

As shown in fig. 1 to 7, an embodiment of the present utility model provides a production system for a mining source nitro humic acid, which comprises a raw material bin 1, an acid distribution tank 2, a quantitative conveyor 3, a vertical reaction kettle 4, a vibration screening machine 5, a temporary storage bin 6, a raymond mill 7 and a collector 8, wherein the raw material bin 1, the acid distribution tank 2, the quantitative conveyor 3, the vertical reaction kettle 4, the vibration screening machine 5, the temporary storage bin 6, the raymond mill 7 and the collector 8; the quantitative conveyor 3 is used for conveying raw coal in the raw material bin 1 into the vertical reaction kettle 4, spraying nitric acid prepared in the acid preparation tank 2 into the vertical reaction kettle 4 through the acid preparation pump 9, and stirring materials in an up-down rolling way by the vertical reaction kettle 4; the vibration screening machine 5 is used for screening the activated materials; activated materials enter the material temporary storage bin 6 through an oversize outlet 10 of the vibrating screening machine 5, and unactivated materials return to the raw material bin 1 through an undersize outlet 11 of the vibrating screening machine 5; the Raymond mill 7 carries out physical grinding on the activated materials;

The production system comprises the following steps;

Firstly, conveying raw coal in a raw material bin 1 to a vertical reaction kettle 4 by a quantitative conveyor 3, spraying nitric acid prepared in an acid preparation tank 2 on raw materials in the vertical reaction kettle 4 through an acid preparation pump 9 to react with the raw materials, and enabling the materials to roll and stir up and down in the vertical reaction kettle 4 to ensure that a large amount of raw materials are uniformly mixed and activated for reaction in a short time;

And secondly, enabling the activated product to enter the vibrating screening machine 5 through a connecting pipeline from the lower end outlet of the vertical reaction kettle 4 for screening, enabling the activated material to enter the material temporary storage bin 6 through the oversize material outlet 10 of the vibrating screening machine 5, and returning the unactivated material to the raw material bin 1 through the undersize material outlet 11 of the vibrating screening machine 5.

Step three, the activated materials enter a Raymond mill 7, products are further fully activated and reacted through physical grinding, the products are ground to the required product mesh number, the products reaching the requirements enter a material collector 8, and finally the products are packaged through a material outlet 12;

In the embodiment, in the first step, the spraying amount and the spraying speed of the nitric acid are adjustable by the acid preparing pump 9 according to different sources of raw materials and different requirements on product quality.

In this embodiment, the acid preparing tank 2 and the vertical reaction kettle 4 are connected with an exhaust gas treatment system 13, a small amount of flue gas is generated in the reaction process of the vertical reaction kettle 4, and the flue gas and a small amount of nitric acid volatile in the acid preparing tank 2 are treated by the exhaust gas treatment system 13.

In this embodiment, the exhaust gas treatment system 13 is an exhaust gas absorption system in the dry process for producing the mining source nitro humic acid.

In the embodiment, the Raymond mill 7 and the collector 8 are connected with a dust remover 14, a conveying pump 15 is arranged between the dust remover 14 and the collector 8, and a dust outlet 16 is arranged on the dust remover 14.

As shown in fig. 1 and 3, in this embodiment, the vertical reaction kettle 4 includes a stirring barrel 17, a hollow shaft 18 is provided in the stirring barrel 17, a mounting plate 19 is fixedly connected to the bottom end of the hollow shaft 18, rotating rods 20 parallel to the inner wall of the stirring barrel 17 are rotatably connected to the left and right sides of the mounting plate 19 through bearings, rollers 21 are fixedly connected to the top ends of the rotating rods 20, the rollers 21 are in contact with the inner wall of the stirring barrel 17, a scraping assembly 22 is provided at the bottom ends of the rotating rods 20, the top ends of the hollow shaft 18 penetrate through the upper surface of the stirring barrel 17, the hollow shaft 18 is rotatably connected with the stirring barrel 17 through bearings, a rotating shaft 23 is rotatably connected to the inside of the hollow shaft 18 through bearings, a spiral stirrer 24 is fixedly connected to the bottom end outer surface of the rotating shaft 23, a driving assembly 25 is provided at the top ends of the hollow shaft 18 and the rotating shaft 23, and a nitric acid spraying assembly 26 is mounted at the inner top of the stirring barrel 17.

The nitric acid prepared in the acid preparation tank 2 is sprayed on the raw materials in the vertical reaction kettle 4 to react with the raw materials by the acid preparation pump 9, meanwhile, the driving assembly 25 drives the rotating shaft 23 and the hollow shaft 18 to rotate, the rotating shaft 23 can drive the spiral stirrer 24 to rotate in the rotating process, the raw materials and the nitric acid lift the raw materials from the center to the top end in the vertical reaction kettle 4 by utilizing the rotating speed of the spiral stirrer 24, the materials are thrown again, the materials are stirred in the stirring barrel 17 in a vertically rolling manner, the hollow shaft 18 can drive the scraping assembly 22 to scrape the mixture adhered to the inner wall of the stirring barrel 17 in the rotating process, the mixture is fully and uniformly mixed, and the mixing efficiency of the vertical reaction kettle 4 is improved.

As shown in fig. 2 and 3, in this embodiment, the stirring barrel 17 has a conical structure, the bottom end of the stirring barrel 17 is fixedly connected with a discharge pipe 1701, and the left and right sides of the upper surface of the stirring barrel 17 are respectively and fixedly connected with a feed pipe 1702 and an exhaust gas outlet pipe 1703.

The quantitative conveyor 3 is arranged in this way to convey raw coal in the raw material bin 1 into the vertical reaction kettle 4 through the feeding pipe 1702, and the activated product enters the vibratory screening machine 5 through the discharging pipe 1701 of the vertical reaction kettle 4 for screening.

As shown in fig. 3, 6 and 7, in this embodiment, the scraping assembly 22 includes a fixing box 2201 fixedly connected to the bottom end of the rotary rod 20, a rectangular slider 2202 is slidably connected to the inside of the fixing box 2201, fixing rods 2203 are fixedly connected to both sides of the rectangular slider 2202, one end of each fixing rod 2203, far away from the rectangular slider 2202, penetrates through the fixing box 2201 and is fixedly connected to a fixing plate 2204, the fixing rods 2203 are slidably connected to the fixing box 2201, a spring 2205 is sleeved on the outer surface of the fixing rod 2203, located inside the fixing box 2201, a scraper 2206 is fixedly connected to one side of the fixing plate 2204, and the scraper 2206 is in contact with the inner wall of the stirring barrel 17.

The spring 2205 is arranged in such a way that the scraping plate 2206 is tightly attached to the inner wall of the stirring barrel 17, the roller 21 can drive the rotating rod 20, the fixing box 2201, the fixing rod 2203, the fixing plate 2204 and the scraping plate 2206 to rotate in the rolling process, and the scraping plate 2206 scrapes materials thrown to the inner wall of the stirring barrel 17 in the rotating process.

As shown in fig. 3 and 5, in the present embodiment, the driving assembly 25 includes a casing 2501 fixedly connected to the upper surface of the stirring barrel 17, a gear motor 2502 is fixedly connected to the upper surface of the casing 2501, an output end of the gear motor 2502 is located inside the stirring barrel 17 and is fixedly connected to a first gear 2503 and a second gear 2504, the first gear 2503 is larger than the second gear 2504 in diameter, top ends of the rotating shaft 23 and the hollow shaft 18 are located inside the casing 2501 and are fixedly connected to a third gear 2505 and a fourth gear 2506, and the third gear 2505 and the fourth gear 2506 are respectively meshed with the first gear 2503 and the second gear 2504.

The gear motor 2502 is started to drive the first gear 2503 and the second gear 2504 to rotate, and the first gear 2503 and the second gear 2504 respectively cooperate with the third gear 2505 and the fourth gear 2506 in the rotating process to drive the rotating shaft 23 and the hollow shaft 18 to rotate.

As shown in fig. 3 and 4, in this embodiment, the nitric acid spraying assembly 26 includes a fixing tube 2601 fixedly connected to the inside of the top end of the stirring barrel 17, a plurality of spraying nozzles 2602 are mounted on the lower surface of the right end of the fixing tube 2601, the left end of the fixing tube 2601 is communicated with the acid pump 9, a control box 2603 is mounted on the fixing tube 2601, a partition plate 2604 is fixedly connected to the inside of the control box 2603, a through hole 2605 is formed in the partition plate 2604, a sealing block 2606 is arranged on the left side of the through hole 2605, a sliding rod 2607 is fixedly connected to the right side of the sealing block 2606, the right end of the sliding rod 2607 penetrates through the control box 2603 and is fixedly connected with an arc-shaped block 2608, a second spring 2609 is sleeved on the outer surface of the sliding rod 2607, and the sliding rod 2607 is slidably connected with the control box 2603.

In this way, the nitric acid spraying assembly 26 is installed above the vertical reaction kettle 4, and the nitric acid arranged in the acid preparation tank 2 is sprayed on the raw materials in the vertical reaction kettle 4 through the acid preparation pump 9 to react with the raw materials.

According to the technical scheme provided by the utility model, raw coal is placed in a raw material bin 1 during production, the raw coal in the raw material bin 1 is conveyed into a vertical reaction kettle 4 through a quantitative conveyor 3, as a nitric acid spraying component 26 is arranged above the vertical reaction kettle 4, nitric acid prepared in an acid preparation tank 2 is sprayed on raw materials in the vertical reaction kettle 4 through an acid preparation pump 9 to react with the raw materials, meanwhile, a gear motor 2502 drives a first gear 2503 and a second gear 2504 to rotate, the first gear 2503 and the second gear 2504 are respectively matched with a third gear 2505 and a fourth gear 2506 in the rotating process to drive a rotating shaft 23 and a hollow shaft 18 to rotate, the rotating shaft 23 can drive a spiral stirrer 24 to rotate in the rotating process, and the raw materials and the nitric acid are lifted from the bottom to the top end by utilizing the rotating speed of the spiral stirrer 24 in the vertical reaction kettle 4, the materials are thrown up and down in the stirring barrel 17, the materials sprayed at the initial stage of stirring are stirred up and down, and as the materials are not completely soaked, the mixture is continuously thrown to the inner wall of the stirring barrel 17 and piled up, at the moment, the hollow shaft 18 can drive the mounting plate 19, the rotating rod 20 and the roller 21 to rotate in the rotating process, the roller 21 can roll along the inner wall of the stirring barrel 17 in the rotating process, the roller 21 can drive the rotating rod 20, the fixing box 2201, the fixing rod 2203, the fixing plate 2204 and the scraping plate 2206 to rotate in the rolling process, and the scraping plate 2206 scrapes the materials thrown to the inner wall of the stirring barrel 17 in the rotating process, so that the mixture adhered to the inner wall of the stirring barrel 17 is scraped by the scraping assembly 22 for revolution and rotation, the mixture is fully and uniformly mixed, and the mixing efficiency of the vertical reaction kettle 4 is improved;

Meanwhile, when the roller 21 rotates to the left side, the arc-shaped block 2608 is extruded, the arc-shaped block 2608 drives the sliding rod 2607 and the sealing block 2606 to move leftwards and compress the second spring 1609 after being extruded, at the moment, the left side and the right side of the fixing tube 2601 are communicated through the through hole 2605, nitric acid configured in the acid preparation tank 2 is sprayed out from the spraying nozzle 2606 along the fixing tube 2601, the sealing block 2606 blocks the through hole 2605 through the restoring force of the second spring 1609 after stirring is stopped, so that the nitric acid is prevented from being sprayed out, the automatic spraying of the nitric acid is realized, and the waste is avoided;

The evenly mixed materials are activated in a vertical reaction kettle 4, the activated products enter a vibration screening machine 5 through a discharge pipe 1701 of the vertical reaction kettle 4 to be screened through a connecting pipeline, aggregates are formed after the raw materials are activated and reacted with nitric acid, at the moment, the activated materials enter a material temporary storage bin 6 through an oversize material outlet 10 of the vibration screening machine 5, the unactivated materials return to a raw material bin 1 through an undersize material outlet 11 of the vibration screening machine 5, then the fully activated materials enter a Raymond mill 7, the products are subjected to further fully activating reaction through physical grinding, the products are ground to reach the required product mesh number, the products enter a material collector 8, and finally the products are packaged through a material outlet 12 on the material collector 8;

In the reaction process of the vertical reaction kettle 4, a small amount of flue gas can be generated, the flue gas is treated by the waste gas treatment system 13, a small amount of nitric acid volatile matters in the acid preparing tank 2 also enter the waste gas treatment system 13 for treatment, the waste gas treatment system 13 can be an waste gas absorption system in the dry process production of the mineral source nitro humic acid with the publication number CN216457986U, dust can be generated in the use process of the Raymond mill 7 and the collector 8, the dust is treated by the dust remover 14, and the collected dust is discharged from the dust outlet 16 for subsequent treatment.

The utility model is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the utility model. In the following description of preferred embodiments of the utility model, specific details are set forth in order to provide a thorough understanding of the utility model, and the utility model will be fully understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present utility model. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (9)

1. The production system for the mining source nitro humic acid is characterized by comprising a raw material bin (1), an acid preparation tank (2), a quantitative conveyor (3), a vertical reaction kettle (4), a vibration screening machine (5), a temporary storage bin (6), a Raymond mill (7) and a collector (8);

The quantitative conveyor (3) is used for conveying raw coal in the raw material bin (1) into the vertical reaction kettle (4), and spraying nitric acid prepared in the acid preparation tank (2) into the vertical reaction kettle (4) through the acid preparation pump (9), wherein the vertical reaction kettle (4) is used for stirring materials in an up-and-down rolling manner;

The vibration screening machine (5) is used for screening the activated materials; activated materials enter a material temporary storage bin (6) through an oversize outlet (10) of the vibrating screening machine (5), and unactivated materials return to a raw material bin (1) through an undersize outlet (11) of the vibrating screening machine (5);

the Raymond mill (7) carries out physical grinding on the activated materials, the activated materials are ground to the required product mesh number, the products meeting the requirements enter the material collector (8), and finally the materials are packaged through the material outlet (12).

2. The production system for the mining-source nitro-humic acid according to claim 1, wherein the acid preparing tank (2) and the vertical reaction kettle (4) are connected with an exhaust gas treatment system (13), a small amount of smoke is generated in the reaction process of the vertical reaction kettle (4), and the smoke and a small amount of nitric acid volatile in the acid preparing tank (2) are treated by the exhaust gas treatment system (13).

3. The system for producing the mining-source nitro-humic acid according to claim 2 wherein the waste gas treatment system (13) is an exhaust gas absorption system in the dry process for producing the mining-source nitro-humic acid.

4. The system for producing the mining nitrohumic acid according to claim 1, wherein the Raymond mill (7) and the collector (8) are connected with a dust remover (14), a conveying pump (15) is arranged between the dust remover (14) and the collector (8), and a dust outlet (16) is arranged on the dust remover (14).

5. The production system for the mining-source nitro-humic acid according to claim 1, wherein the vertical reaction kettle (4) comprises a stirring barrel (17), a hollow shaft (18) is arranged inside the stirring barrel (17), a mounting plate (19) is fixedly connected to the bottom end of the hollow shaft (18), rotating rods (20) parallel to the inner wall of the stirring barrel (17) are respectively connected to the left side and the right side of the mounting plate (19) through bearings in a rotating mode, rollers (21) are fixedly connected to the top ends of the rotating rods (20), the rollers (21) are in contact with the inner wall of the stirring barrel (17), scraping assemblies (22) are arranged at the bottom ends of the rotating rods (20), the top ends of the hollow shaft (18) penetrate through the upper surface of the stirring barrel (17), the hollow shaft (18) is rotatably connected with the stirring barrel (17) through bearings, rotating shafts (23) are rotatably connected to the inside the hollow shaft (18) through bearings, spiral stirrers (24) are fixedly connected to the bottom end outer surfaces of the rotating shafts (23), nitric acid spraying assemblies (25) are arranged at the top ends of the hollow shaft (18) and the rotating shafts (23), and the top ends of the rotating shafts (23) are provided with nitric acid spraying assemblies (25).

6. The system for producing the mining-source nitro-humic acid according to claim 5, wherein the stirring barrel (17) is of a conical structure, a discharging pipe (1701) is fixedly connected to the bottom end of the stirring barrel (17), and a feeding pipe (1702) and an exhaust gas outlet pipe (1703) are respectively and fixedly connected to the left side and the right side of the upper surface of the stirring barrel (17).

7. The system for producing the mining-source nitro-humic acid according to claim 5, wherein the scraping assembly (22) comprises a fixing box (2201) fixedly connected to the bottom end of the rotary rod (20), a rectangular sliding block (2202) is slidably connected to the inside of the fixing box (2201), fixing rods (2203) are fixedly connected to two sides of the rectangular sliding block (2202), one end, far away from the rectangular sliding block (2202), of the fixing rods (2203) penetrates through the fixing box (2201) and is fixedly connected with a fixing plate (2204), the fixing rods (2203) are slidably connected with the fixing box (2201), springs (2205) are sleeved on the outer surface of the fixing rod (2203) located inside the fixing box (2201), one side of the fixing plate (2204) is fixedly connected with a scraping plate (2206), and the scraping plate (2206) is in contact with the inner wall of the stirring barrel (17).

8. The system for producing the mining-source nitro humic acid according to claim 5, wherein the driving assembly (25) comprises a box body (2501) fixedly connected to the upper surface of the stirring barrel (17), a gear motor (2502) is fixedly connected to the upper surface of the box body (2501), an output end of the gear motor (2502) is located in the stirring barrel (17) and fixedly connected with a first gear (2503) and a second gear (2504), the first gear (2503) is larger than the diameter of the second gear (2504), the top ends of the rotating shaft (23) and the hollow shaft (18) are located in the box body (2501) and fixedly connected with a third gear (2505) and a fourth gear (2506) respectively, and the third gear (2505) and the fourth gear (2506) are in meshed connection with the first gear (2503) and the second gear (2504) respectively.

9. The system for producing the mining-source nitro-humic acid according to claim 5, wherein the nitric acid spraying component (26) comprises a fixed pipe (2601) fixedly connected to the inside of the top end of the stirring barrel (17), a plurality of spraying nozzles (2602) are installed on the lower surface of the right end of the fixed pipe (2601), the left end of the fixed pipe (2601) is communicated with the acid distribution pump (9), a control box (2603) is installed on the fixed pipe (2601), a partition plate (2604) is fixedly connected to the inside of the control box (2603), a through hole (2605) is formed in the partition plate (2604), a sealing block (2606) is arranged on the left side of the through hole (2605), a sliding rod (2607) is fixedly connected to the right side of the sealing block (2606), the right end of the sliding rod (2607) penetrates through the control box (2603) and is fixedly connected with an arc block (2608), and a second spring (2609) is sleeved on the outer surface of the sliding rod (2607) and the control box (2603) in a sliding connection mode.