CN212595893U

CN212595893U - Fused salt blending device

Info

Publication number: CN212595893U
Application number: CN202021239888.1U
Authority: CN
Inventors: 郑永彬; 李忠华; 李园园; 宋彦梅; 梅俊安; 胡风风; 郑庆明; 张海元; 王娟红; 刘兰
Original assignee: SHIJIAZHUANG FENGSHAN CHEMICAL CO Ltd
Current assignee: SHIJIAZHUANG FENGSHAN CHEMICAL CO Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-26
Anticipated expiration: 2030-06-30

Abstract

The utility model provides a fused salt blending device belongs to fused salt blending technical field, including broken mechanism, compounding mechanism, unloading jar, conveying mechanism and packagine machine construct, broken mechanism's upper end intercommunication has four hoppers, and broken mechanism is used for broken fused salt through the hopper output, and compounding mechanism is used for accepting and stirs the mixture of the fused salt after broken mechanism is broken, and the unloading jar is established and is used for holding the mixture after the stirring of compounding mechanism mixes, and conveying mechanism is used for carrying the mixture in the compounding mechanism to the unloading jar in, and packagine machine constructs the mixture that is used for packing through unloading jar output. The utility model provides a pair of fused salt blending device has and thoughtlessly joins in marriage the in-process to the fused salt breakage evenly to the fused salt, mixes the progress fast and efficient, and the fused salt granularity is even, does not influence the technological effect of the packing progress of fused salt.

Description

Fused salt blending device

Technical Field

The utility model belongs to the technical field of the fused salt is thoughtlessly joined in marriage, more specifically say, relate to a fused salt blending device.

Background

The molten salt is molten, such as the molten halide, nitrate or sulfate of alkali metal or alkaline earth metal. The molten salt is a molten body composed of metal cations and non-metal anions, is in a solid state at standard temperature and atmospheric pressure, and exists in a liquid phase after the temperature is increased. The molten salt mixing takes four materials of sodium nitrate, sodium nitrite, calcium nitrate and potassium nitrate as raw materials, and because the raw materials are easy to absorb moisture and agglomerate, after the raw materials agglomerate, the raw materials are crushed by a crusher according to a certain proportion and then are conveyed into a mixer to be stirred, after being uniformly mixed, the raw materials are conveyed into a finished product bin, then the raw materials are discharged to carry out classified packaging operation, and the molten salt is packaged into a molten salt packaging product. However, in the molten salt mixing process, when the molten salt blocks are crushed, the crusher is crushed unevenly, the crushed molten salt has the phenomenon of uneven granularity, the crushing efficiency is low, the molten salt mixing progress and efficiency are influenced, and the package of the molten salt is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fused salt blending device aims at solving the fused salt and mixes the in-process fused salt and thoughtlessly joins in marriage the progress slow, the technical problem of inefficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: the upper end of the crushing mechanism is communicated with four hoppers for respectively containing sodium nitrate, sodium nitrite, calcium nitrate and potassium nitrate, and the crushing mechanism is used for crushing the sodium nitrate, the sodium nitrite, the calcium nitrate and the potassium nitrate output by the hoppers; the mixing mechanism is arranged at the lower part of the crushing mechanism and is used for receiving, stirring and mixing the mixture of sodium nitrate, sodium nitrite, calcium nitrate and potassium nitrate crushed by the crushing mechanism; the discharging tank is arranged on one side of the mixing mechanism and used for containing a mixture stirred and mixed by the mixing mechanism, and the height of the discharging tank is greater than that of the mixing mechanism; the conveying mechanism is arranged between the mixing mechanism and the blanking tank and is used for conveying the mixture in the mixing mechanism to the blanking tank; the packaging mechanism is arranged at the bottom of the blanking tank and used for packaging the mixture output by the blanking tank.

As another embodiment of the application, the crushing mechanism comprises a shell, a crushing assembly and a material pushing assembly, the hopper is arranged at the upper end of the shell, a feeding hole is formed in the upper end of the shell, a discharging hole is formed in the bottom end of the shell, the feeding hole is communicated with the hopper, the discharging hole faces the material mixing mechanism, and the height of the shell is adjustable; the crushing assembly is arranged in the shell and is used for crushing sodium nitrate, sodium nitrite, calcium nitrate and potassium nitrate falling from the hopper; the pushing assembly is arranged at the bottom of the inner side of the shell and used for pushing the mixture towards the discharge hole.

As another embodiment of this application, broken mechanism is still including arranging in screening subassembly in the casing, screening subassembly is a plurality of and all locates the broken subassembly top for the screening falls into mixture in the casing, screening subassembly slope sets up and height-adjustable, the mixture after the screening subassembly screening descends extremely casing bottom, quilt the mixture that the screening subassembly blockked descends extremely on the broken subassembly.

As another embodiment of this application, crushing mechanism still including arranging in the cloth subassembly in the casing, the cloth subassembly is a plurality ofly and all locates crushing subassembly below, the warp the mixture after crushing subassembly is broken passes through the cloth subassembly to the even cloth of casing bottom.

As another embodiment of the application, the crushing assembly comprises a plurality of electric push rods, a crushing plate, an auxiliary plate and an adjusting rod, wherein the electric push rods are transversely arranged on two opposite side walls in the shell and push towards the middle of the shell; the crushing plates are multiple, one end of each crushing plate is hinged to the inner side wall of the shell, the other end of each crushing plate is hinged to the pushing end of each electric push rod, the crushing plates can rotate around the hinged point with the shell by means of pushing of the electric push rods, multiple crushing teeth are arranged on the crushing plates, and the crushing plates are clamped oppositely in rotation and are used for crushing a mixture; the two auxiliary plates are arranged among the plurality of crushing plates, one ends of the two auxiliary plates are hinged with the inner side wall of the shell, a plurality of crushing teeth are arranged on the auxiliary plates, and the auxiliary plates are used for oppositely clamping the mixture with the plurality of crushing plates; two ends of the adjusting rod are respectively hinged with the other ends of the two auxiliary plates, the adjusting rod is used for adjusting the included angle of the two auxiliary plates, and the included angle between the crushing plate and the auxiliary plates can be adjusted by means of the adjusting rod.

As another embodiment of the present application, a plurality of the crushing plates, two of the auxiliary plates, and the hinged end of the casing are all disposed on the latch, the latch is provided with a plurality of slots, the crushing plates and the auxiliary plates can be clamped in the slots at different positions, and the distance between the crushing plates and the auxiliary plates is adjustable and can be limited by the slots.

As another embodiment of the present application, the mixing mechanism is a mixer including a horizontally rotating container and a rotating vertical stirring blade, and the mixture falling from the crushing mechanism is mixed and stirred in the mixing mechanism.

As another embodiment of this application, the feed bin of unloading jar for being used for placing the mixture, the upper end opening of feed bin, bottom are equipped with the discharging pipe, the discharging pipe be used for export mixture extremely packagine machine construct last, the feed bin with the discharging pipe department of meeting is equipped with the valve.

As another embodiment of this application, conveying mechanism is auger conveyor, auger conveyor's one end stretch into extremely in the compounding mechanism, the other end is arranged in unloading jar upper end is used for extracting mixture in the compounding mechanism extremely in the unloading jar, auger conveyor slope sets up.

As another embodiment of the present application, the packaging mechanism includes a plurality of packaging machines for receiving the mixture in the blanking cans and for packaging into a bagged product; the packaging machine includes a plurality of 25kg packaging machines and a ton packaging machine.

The utility model provides a pair of fused salt blending device's beneficial effect lies in: compared with the prior art, the utility model relates to a fused salt blending device, earlier place sodium nitrate, sodium nitrite, calcium nitrate and potassium nitrate after weighing respectively in four hoppers, through in proper order or simultaneously to throwing into in the crushing mechanism, become the mixture after crushing mechanism is broken, the mixture passes through compounding mechanism and stirs the mixture once more, rethread conveying mechanism carries to storage in the unloading jar, the mixture of process unloading jar whereabouts passes through packagine machine and constructs the packing, become bagged fused salt packing product, it is slow to have solved the fused salt and thoughtlessly join in marriage in-process fused salt and thoughtlessly join in marriage the progress, the technical problem of inefficiency, it is broken even to the fused salt to have to thoughtlessly join in-process fused salt, it is fast and efficient to thoughtlessly join in marriage the progress, the fused.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a molten salt mixing device provided by an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure between a breaker plate and an auxiliary plate of a molten salt blending device provided by an embodiment of the present invention and a latch respectively;

fig. 3 is a schematic view of a connection structure between a telescopic rod and a pushing component of a molten salt blending device provided by the embodiment of the present invention.

In the figure: 1. a crushing mechanism; 11. a housing; 12. a crushing assembly; 121. an electric push rod; 122. a breaker plate; 123. an auxiliary plate; 124. adjusting a rod; 125. crushing teeth; 126. clamping teeth; 127. a card slot; 13. a material pushing assembly; 14. a material guide cylinder; 15. a lifting column; 16. a telescopic rod; 17. an arc-shaped plate; 18. a ball bearing; 2. a material mixing mechanism; 3. feeding the material tank; 31. a discharge pipe; 4. a conveying mechanism; 5. a packaging mechanism; 6. a hopper; 7. a screening component; 71. a sieve plate; 72. hanging a rope; 8. a cloth component; 81. a distributing plate; 82. a connecting member.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, a molten salt mixing device provided by the present invention will now be described. The molten salt blending device comprises a crushing mechanism 1, a mixing mechanism 2, a blanking tank 3, a conveying mechanism 4 and a packaging mechanism 5, wherein the upper end of the crushing mechanism 1 is communicated with four hoppers 6 for respectively containing sodium nitrate, sodium nitrite, calcium nitrate and potassium nitrate, and the crushing mechanism 1 is used for crushing the sodium nitrate, the sodium nitrite, the calcium nitrate and the potassium nitrate output through the hoppers 6; the mixing mechanism 2 is arranged at the lower part of the crushing mechanism 1 and is used for receiving, stirring and mixing the mixture of sodium nitrate, sodium nitrite, calcium nitrate and potassium nitrate crushed by the crushing mechanism 1; the blanking tank 3 is arranged on one side of the mixing mechanism 2 and is used for containing a mixture stirred and mixed by the mixing mechanism 2, and the height of the blanking tank 3 is greater than that of the mixing mechanism 2; the conveying mechanism 4 is arranged between the mixing mechanism 2 and the blanking tank 3 and is used for conveying the mixture in the mixing mechanism 2 to the blanking tank 3; the packaging mechanism 5 is arranged at the bottom of the blanking tank 3 and is used for packaging the mixture output by the blanking tank 3.

The utility model provides a pair of fused salt blending device, compared with the prior art, earlier place sodium nitrate respectively after calcium nitrate and potassium nitrate weigh in four hoppers 6, through in proper order or drop into in broken mechanism 1 simultaneously, become the mixture after broken mechanism 1 is broken, the mixture stirs the mixture once more through compounding mechanism 2, rethread conveying mechanism 4 carries to 3 internal storages of blanking tank, the mixture of 3 whereabouts of material tank is through packagine machine structure 5 packing, become bagged fused salt packing product, it mixes the in-process fused salt and mixes the progress slowly to have solved the fused salt, the technical problem of inefficiency, it is broken even to the fused salt to have the in-process of thoughtlessly mixing the fused salt, it is fast and efficient to mix the progress, the fused salt granularity is even, do not influence the technological effect of the packing progress of fused salt.

Form the massive body after the fused salt caking, four hoppers 6 hold sodium nitrate, sodium nitrite, calcium nitrate and potassium nitrate of different weight respectively, through in proper order or simultaneously to crushing mechanism 1 defeated pay-off, can realize dividing batch or categorised breakage, become the material of little graininess after being broken by crushing mechanism 1, because be four kinds of materials, then become the mixture after mixing, crushing mechanism 1 mainly is broken to the fused salt, and compounding mechanism 2 carries out the intensive mixing stirring to fused salt (mixture), make homogeneous mixing between the various materials, the fused salt mixture of constituteing at last can reach the requirement of packing bagging-off. If the granularity of fused salt is greater than the holding space of the hopper 6, the material can be manually fed into the crushing mechanism 1 to be crushed. The crushing mechanism 1 can crush the fused salt blocks with different particle sizes, so that the crushed fused salt is changed into a small particle type.

As a specific implementation manner of the molten salt blending device provided by the present invention, please refer to fig. 1 to 3, the crushing mechanism 1 includes a housing 11, a crushing assembly 12 and a material pushing assembly 13, the hopper 6 is disposed at the upper end of the housing 11, the upper end of the housing 11 is provided with a feeding port, the bottom end of the housing 11 is provided with a discharging port, the feeding port is communicated with the hopper 6, the discharging port faces the material mixing mechanism 2, and the height of the housing 11 is adjustable; the crushing assembly 12 is arranged inside the shell 11 and is used for crushing sodium nitrate, sodium nitrite, calcium nitrate and potassium nitrate which fall through the hopper 6; the pushing assembly 13 is arranged at the bottom of the inner side of the shell 11 and used for pushing the mixture towards the discharge hole. After the crushing assembly 12 crushes the sodium nitrate, the sodium nitrite, the calcium nitrate and the potassium nitrate, the molten salt falls to the bottom of the inner side of the shell 11, and if the mixture needs to be conveyed into the mixing mechanism 2, the mixture is pushed by the material pushing assembly 13 to move into the mixing mechanism 2. The discharge port is provided with a guide cylinder 14, the guide cylinder 14 is L-shaped and used for guiding (guiding) the mixture to the mixing mechanism 2, and the output end of the guide cylinder 14 faces the mixing mechanism 2.

In this embodiment, the material pushing assembly 13 is a screw conveyor, two ends of the material pushing assembly are respectively connected to two opposite side walls of the shell 11 in a rotating manner, the material pushing assembly can rotate forward and backward, two material outlets are arranged at the bottom end of the shell 11, the mixture can be conveyed to different material outlets through forward and backward rotation of the material pushing assembly 13, and in practical application, one material outlet can be reasonably selected for discharge according to the mixing and stirring position of the mixture. In addition, each discharge port is provided with a baffle, when the crushing mechanism 1 runs, the discharge ports are all in a closed state, and if the discharge ports need to be opened, the discharge ports are opened or moved away by the baffles.

Specifically, a plurality of lifting columns 15 are arranged at the bottom end of the shell 11, and the height of the shell 11 can be adjusted by lifting the lifting columns 15. The pushing assembly 13 is detachably connected with the shell 11, and the pushing assembly 13 is simple to mount and dismount. Be equipped with the opening on a lateral wall of casing 11, at opening part telescopic link 16, the vertical setting of telescopic link 16 just can be vertical flexible, lower extreme and the 11 open-ended lower extremes of casing at telescopic link 16 all are equipped with arc 17, be circular after two arc 17 dock each other, because auger conveyor's pivot is circular, then two arc 17 can surround the pivot, and the pivot can be at the inside rotation of arc 17, it is connected and can dismantle with the rotation of propelling movement subassembly to have realized telescopic link 16, the installation of propelling movement subassembly on casing 11 is all fairly simple with the dismantlement like this, only need during installation and dismantlement with telescopic link 16 return back can, take out propelling movement subassembly from arc 17, after the installation is accomplished with the dismantlement, again with telescopic link 16 extension can, the rotation of propelling movement subassembly and casing 11 is connected and is connected through the bearing rotation promptly. A plurality of balls 18 are arranged on the inner side walls of the two arc-shaped plates 17, so that the pushing assembly 13 is in rolling friction contact connection with the balls 18, friction force is reduced, and rigid friction is avoided.

As a specific implementation of a pair of fused salt blending device, please refer to fig. 1 to 3, broken mechanism 1 is still including arranging screening subassembly 7 in casing 11 in, and screening subassembly 7 is a plurality of and all locates broken subassembly 12 top for the mixture that the screening falls into in casing 11, and screening subassembly 7 slope sets up and height-adjustable, and the mixture after screening subassembly 7 screens descends to casing 11 bottom, and the mixture that is blockked by screening subassembly 7 descends to broken subassembly 12. Screening subassembly 7 is a plurality ofly, and per two screening subassemblies 7 are the type setting of closing up, are the V style of calligraphy promptly and set up, and through the fused salt of screening subassembly 7 whereabouts, can leading-in to crushing mechanism 1 on, the crushing mechanism 1 of being convenient for carries out broken operation.

Specifically, screening subassembly 7 includes sieve 71 and string rope 72, is provided with a plurality of sieve meshes on sieve 71, and the both ends of sieve 71 are connected with casing 11 top through hanging rope 72, and the height of sieve 71 and the contained angle between the horizontal plane can be adjusted, can be applicable to the screening of the fused salt of multiple different particle diameters or size like this. The hanging ropes 72 with different lengths are arranged, so that the function of adjusting the height of the sieve plate 71 and the included angle between the sieve plate and the horizontal plane can be achieved.

As a specific implementation manner of the molten salt blending device provided by the utility model, please refer to fig. 1 to 3, the crushing mechanism 1 further includes the cloth component 8 disposed in the housing 11, the cloth component 8 is a plurality of and all locates the lower part of the crushing component 12, and the mixture after the crushing of the crushing component 12 passes through the cloth component 8 and is evenly distributed to the bottom of the housing 11. The distributing assembly 8 comprises two distributing plates 81 with the same horizontal height and a connecting piece 82, and a plurality of through holes are arranged on the distributing plates 81 and used for the mixture to pass through. Cloth plate 81 is notch cuttype or step type, and the height at middle part is higher, and both sides reduce gradually, and the highest middle part that is in crushing mechanism 1 in middle part of cloth subassembly 8 aligns vertically, through the mixture after 1 crushings of crushing mechanism, can directly descend and obtain even cloth on cloth subassembly 8, makes the mixture evenly distributed who is located casing 11 bottom.

Specifically, one end of each of the two cloth components 8 is inserted into the inner wall of the shell 11, the other end of each of the two cloth components is a free end, and the two free ends are connected through the connecting piece 82, so that the two cloth components 8 form an integrated structure, and the structural stability of the cloth components 8 can be enhanced.

As a specific embodiment of the molten salt mixing device provided by the present invention, please refer to fig. 1 to 3, the crushing assembly 12 includes a plurality of electric push rods 121, a plurality of crushing plates 122, an auxiliary plate 123 and an adjusting rod 124, the electric push rods 121 are transversely disposed on two opposite side walls in the housing 11, and are pushed toward the middle of the housing 11; the number of the crushing plates 122 is multiple, one end of each crushing plate is hinged to the inner side wall of the shell 11, the other end of each crushing plate is hinged to the pushing end of each electric push rod 121, the plurality of the crushing plates 122 can rotate around the hinged point with the shell 11 by means of pushing of the electric push rods 121, a plurality of crushing teeth 125 are arranged on each crushing plate 122, and the plurality of the crushing plates 122 are oppositely clamped with each other in rotation and are used for crushing a mixture; the two auxiliary plates 123 are arranged among the plurality of crushing plates 122, one ends of the two auxiliary plates 123 are hinged with the inner side wall of the shell 11, the auxiliary plates 123 are provided with a plurality of crushing teeth 125, and the auxiliary plates 123 are used for oppositely clamping the mixture with the plurality of crushing plates 122; the two ends of the adjusting rod 124 are respectively hinged with the other ends of the two auxiliary plates 123, the adjusting rod 124 is used for adjusting the included angle of the two auxiliary plates 123, and the included angle between the crushing plate 122 and the auxiliary plates 123 can be adjusted by means of the adjusting rod 124. Through electric putter 121 constantly flexible, make the continuous reciprocating rotation of breaker 122, rotate the in-process at breaker 122, and butt clamp or butt fused salt between the accessory plate 123, then the fused salt obtains the breakage, the utility model discloses a broken subassembly 12 is similar to the broken principle of breaker, and different contained angles between breaker 122 and the accessory plate 123 have then decided the different granularities after the breakage to the fused salt. The crushing degree of the molten salt can be determined by adjusting the pushing length of the electric push rod 121. In addition, the telescopic length of the adjusting rod 124 can be adjusted, the included angle between the two auxiliary plates 123 can also be adjusted, and then the crushing plate 122 can be matched with crushing operation, so that the fused salt can be fully crushed.

Specifically, the adjusting rod 124 is a telescopic pull rod, the length of the adjusting rod can be adjusted, the length of the adjusting rod can also be locked, a jackscrew is arranged on the telescopic pull rod, and the length of the adjusting rod 124 after being extended can be locked by screwing the jackscrew. Conversely, by releasing the jackscrew, the adjustment lever 124 can be elongated again, and the distance or angle between the two auxiliary plates 123 can be adjusted.

As a specific implementation manner of the molten salt mixing device provided by the present invention, please refer to fig. 1 to 3, the housing 11 is provided with a latch 126, the plurality of crushing plates 122, the two auxiliary plates 123 are all disposed on the latch 126 with the hinged end of the housing 11, the latch 126 is provided with a plurality of slots 127, the crushing plates 122 and the auxiliary plates 123 can be connected in the slots 127 at different positions, and the distance between the crushing plates 122 and the auxiliary plates 123 is adjustable and can be limited by the slots 127. Because the size is different after the fused salt caking, in order to satisfy the fused salt to different granularities and carry out the breakage, then can also adjust the distance between two breaker plates 122, and then can satisfy the user demand. The clamping grooves 127 are multiple, the distance between the crushing plate 122 and the auxiliary plate 123 can be adjusted according to the fact that the crushing plate 122 and the auxiliary plate 123 are clamped in the clamping grooves 127 at different positions, and the operation is convenient and simple.

As a specific embodiment of the molten salt mixing device provided by the utility model, please refer to fig. 1 to 3, mixing mechanism 2 is a mixer, which comprises a horizontal rotating container and a rotating vertical stirring blade, and the mixture falling from crushing mechanism 1 is mixed and stirred in mixing mechanism 2. The blendor will be above four kinds of raw materialss obtain intensive mixing and mix to in the product that meets the requirements of packing out, when the blendor becomes the stirring of material, the container turned left, the blade turned right, because the effect against the current, the direction of motion is alternately between each granule of shaping material, the chance of contact mutually increases, the blendor is little to the extrusion force of material against the current, calorific capacity is low, stirs efficiently, and the compounding is comparatively even.

As a pair of the utility model provides a specific implementation mode of fused salt blending device, please refer to fig. 1 to fig. 3, lower charging bucket 3 is for being used for placing the feed bin of mixture, the upper end opening of feed bin, the bottom is equipped with discharging pipe 31, discharging pipe 31 is used for exporting on mixture to packagine machine constructs 5, the feed bin is equipped with the valve with discharging pipe 31 department of meeting, through the switch of adjusting the valve, just can control the feed bin to the flow of the transport mixture of discharging pipe 31, the degree of opening of control flap that will be reasonable in practical application or to the output flow of mixture.

As a specific implementation of a pair of fused salt blending device please refer to fig. 1 to 3, conveying mechanism 4 is the auger conveyor, and the one end of auger conveyor stretches into in compounding mechanism 2, the other end arranges the 3 upper ends of unloading jar in for in extracting mixture in compounding mechanism 2 to unloading jar 3, the slope of auger conveyor sets up. Due to the open upper end of the feed tank 3, the mixture can be directly conveyed to the interior of the feed tank 3.

As a specific embodiment of the molten salt blending device provided by the present invention, please refer to fig. 1 to 3, the packaging mechanism 5 includes a plurality of packaging machines for receiving the mixture in the material feeding tank 3 and packaging the mixture into bagged products; the packing machine includes a plurality of 25kg packing machines and ton packing machines. And packaging the mixture into bagged products with different specifications through a packaging machine for later use.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A molten salt compounding device, comprising:

the crushing mechanism is communicated with four hoppers used for containing sodium nitrate, sodium nitrite, calcium nitrate and potassium nitrate respectively at the upper end of the crushing mechanism, and the crushing mechanism is used for crushing the sodium nitrate, the sodium nitrite, the calcium nitrate and the potassium nitrate output by the hoppers;

the mixing mechanism is arranged at the lower part of the crushing mechanism and is used for receiving, stirring and mixing the mixture of sodium nitrate, sodium nitrite, calcium nitrate and potassium nitrate crushed by the crushing mechanism;

the discharging tank is arranged on one side of the mixing mechanism and used for containing a mixture stirred and mixed by the mixing mechanism, and the height of the discharging tank is greater than that of the mixing mechanism;

the conveying mechanism is arranged between the mixing mechanism and the blanking tank and is used for conveying the mixture in the mixing mechanism to the blanking tank; and

and the packaging mechanism is arranged at the bottom of the blanking tank and used for packaging the mixture output by the blanking tank.

2. A molten salt compounding device as claimed in claim 1 in which the crushing means comprises:

the hopper is arranged at the upper end of the shell, a feed port is formed in the upper end of the shell, a discharge port is formed in the bottom end of the shell, the feed port is communicated with the hopper, the discharge port faces the material mixing mechanism, and the height of the shell is adjustable;

the crushing assembly is arranged in the shell and used for crushing sodium nitrate, sodium nitrite, calcium nitrate and potassium nitrate falling through the hopper; and

the pushing assembly is arranged at the bottom of the inner side of the shell and used for pushing the mixture towards the discharge hole.

3. The molten salt mixing and compounding device according to claim 2, wherein the crushing mechanism further comprises a plurality of screening assemblies arranged in the housing, the screening assemblies are arranged above the crushing assemblies and used for screening the mixture falling into the housing, the screening assemblies are arranged obliquely and adjustable in height, the mixture screened by the screening assemblies falls to the bottom of the housing, and the mixture blocked by the screening assemblies falls to the crushing assemblies.

4. The molten salt mixing device according to claim 2, wherein the crushing mechanism further comprises a plurality of material distribution assemblies arranged in the shell, the material distribution assemblies are arranged below the crushing assemblies, and the mixture crushed by the crushing assemblies is uniformly distributed to the bottom of the shell through the material distribution assemblies.

5. A molten salt compounding device as claimed in claim 2 in which the breaker assembly comprises:

the plurality of electric push rods are transversely arranged on two opposite side walls in the shell and push towards the middle of the shell;

the crushing plates are provided with a plurality of crushing teeth, one end of each crushing plate is hinged to the inner side wall of the shell, the other end of each crushing plate is hinged to the pushing end of each electric push rod, the plurality of crushing plates can rotate around the hinged point with the shell by means of pushing of the electric push rods, and the plurality of crushing plates are oppositely clamped in rotation and are used for crushing the mixture;

the two auxiliary plates are arranged between the plurality of crushing plates, one ends of the two auxiliary plates are hinged with the inner side wall of the shell, a plurality of crushing teeth are arranged on the auxiliary plates, and the auxiliary plates are used for oppositely clamping the mixture with the plurality of crushing plates; and

and two ends of the adjusting rod are respectively hinged with the other ends of the two auxiliary plates, the adjusting rod is used for adjusting the included angle of the two auxiliary plates, and the included angle between the crushing plate and the auxiliary plates can be adjusted by means of the adjusting rod.

6. The molten salt mixing and compounding device of claim 5, wherein a plurality of snap teeth are provided on the housing, a plurality of the crushing plates, two of the auxiliary plates and the hinged end of the housing are all disposed on the snap teeth, a plurality of clamping grooves are provided on the snap teeth, the crushing plates and the auxiliary plates can be clamped in the clamping grooves at different positions, and the distance between the crushing plates and the auxiliary plates can be adjusted and can be limited by the clamping grooves.

7. A molten salt compounding device as claimed in claim 1 in which the compounding mechanism is a mixer comprising a horizontally rotating vessel and rotating vertical mixing blades in which the mixture falling from the crushing mechanism is mixed and stirred.

8. The molten salt blending device according to claim 1, wherein the blanking tank is a storage bin for placing the mixture, a discharge pipe is arranged at an upper end opening and a bottom end of the storage bin, the discharge pipe is used for outputting the mixture to the packaging mechanism, and a valve is arranged at a joint of the storage bin and the discharge pipe.

9. The molten salt mixing device according to claim 1, wherein the conveying mechanism is an auger conveyor, one end of the auger conveyor extends into the mixing mechanism, the other end of the auger conveyor is arranged at the upper end of the blanking tank, and is used for extracting the mixture in the mixing mechanism into the blanking tank, and the auger conveyor is arranged in an inclined manner.

10. A molten salt compounding plant as claimed in claim 1 in which the packaging means comprises a plurality of packers for receiving the mixture in the feed tank and for packaging into bagged products; the packaging machine includes a plurality of 25kg packaging machines and a ton packaging machine.