CN117566767B - Raw material proportioning adding device for potassium sulfate production - Google Patents
Raw material proportioning adding device for potassium sulfate production Download PDFInfo
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- CN117566767B CN117566767B CN202410067679.XA CN202410067679A CN117566767B CN 117566767 B CN117566767 B CN 117566767B CN 202410067679 A CN202410067679 A CN 202410067679A CN 117566767 B CN117566767 B CN 117566767B
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- Prior art keywords
- sulfuric acid
- potassium chloride
- cavity
- area
- stirring
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- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 title claims abstract description 25
- 229910052939 potassium sulfate Inorganic materials 0.000 title claims abstract description 25
- 235000011151 potassium sulphates Nutrition 0.000 title claims abstract description 25
- 239000002994 raw material Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 204
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 156
- 235000011164 potassium chloride Nutrition 0.000 claims abstract description 102
- 239000001103 potassium chloride Substances 0.000 claims abstract description 102
- 238000003860 storage Methods 0.000 claims abstract description 89
- 239000000463 material Substances 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000005507 spraying Methods 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000002156 mixing Methods 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims description 66
- 238000003756 stirring Methods 0.000 claims description 62
- 238000000227 grinding Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 8
- 239000000284 extract Substances 0.000 description 5
- 238000003801 milling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- -1 and meanwhile Chemical compound 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/02—Preparation of sulfates from alkali metal salts and sulfuric acid or bisulfates; Preparation of bisulfates
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Road Paving Machines (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a raw material proportioning and adding device for potassium sulfate production, in particular to the technical field of raw material mixing and proportioning, which comprises the following components: a plurality of receiving grooves are uniformly distributed on the turntable in the circumferential direction, and one side of the bottom of each receiving groove is hinged with a receiving plate; the fixed disc is provided with a potassium chloride paving area, a sulfuric acid spraying area and a mixing unloading area in sequence along the circumferential direction; the storage bin is provided with a sealing plate in a rotating way at the bottom and a receiving hopper at the top; the opening and closing mechanism is arranged on the storage bin; the mounting rack is fixed in the furnace chamber; a spray plate located directly above the sulfuric acid spray zone; and the storage mechanism is arranged on the mounting frame. The rake rack in the furnace chamber is utilized to drive the material receiving groove on the turntable to circularly move among the potassium chloride paving area, the sulfuric acid spraying area and the mixing unloading area, so that continuous operation of potassium chloride paving, sulfuric acid spraying and mixing unloading is realized, the combination of the potassium chloride and the sulfuric acid is uniform, the consistency is good, and the proportioning precision is high.
Description
Technical Field
The invention relates to the technical field of raw material mixing proportion, in particular to a raw material proportion adding device for potassium sulfate production.
Background
The potassium sulfate is a high-quality chlorine-free potassium fertilizer, and is suitable for planting various fruit trees. The existing methods for producing and processing potassium sulfate mainly comprise a Mannheim method, a crystallization method, an associative method, a solvent method and the like, wherein the method for producing and processing potassium sulfate by the Mannheim method is widely applied.
The method is characterized in that potassium chloride and sulfuric acid are used as raw materials for preparing the potassium sulfate by using the Mannheim method, the potassium chloride and the sulfuric acid are respectively fed through a potassium chloride feed opening and a sulfuric acid feed pipe on a Mannheim furnace, and are heated and stirred in a furnace body after being mixed to generate the potassium sulfate, and meanwhile, hydrogen chloride gas is generated as a byproduct.
Because potassium chloride is solid particles and sulfuric acid is liquid, the potassium chloride and the sulfuric acid are required to be respectively fed, and the potassium chloride and the sulfuric acid are stirred and mixed only by virtue of rake teeth in a furnace body after falling into a reaction chamber, and the concentration of the sulfuric acid is 98%, the concentration of the sulfuric acid is higher, the fluidity is poorer, so that the sulfuric acid is easy to be bonded with part of the potassium chloride into blocks, and the sulfuric acid cannot be uniformly mixed with the rest of the potassium chloride under the action of the rake teeth stirring, thus the incomplete reaction of the potassium chloride and the sulfuric acid is easy to be caused, and the conversion rate of the subsequent potassium sulfate is directly influenced.
Disclosure of Invention
The invention aims to provide a raw material proportioning and adding device for potassium sulfate production, which solves the problem that the existing feeding mode is easy to cause uneven mixing of potassium chloride and sulfuric acid so as to influence the potassium sulfate conversion rate.
The aim of the invention can be achieved by the following technical scheme:
the raw material proportioning and adding device for potassium sulfate production is applied to a Mannheim furnace, wherein the Mannheim furnace comprises a furnace chamber and a rake rack rotatably arranged in the furnace chamber;
the raw material proportioning and adding device for potassium sulfate production comprises:
the rotary table is provided with a rotating shaft which is coaxially and fixedly connected with the rake rack at the axis center, a plurality of receiving grooves are uniformly distributed on the rotary table in the circumferential direction, and one side of the bottom of each receiving groove is hinged with a receiving plate;
the fixed disc is fixed on the inner wall of the furnace chamber and is attached to the lower end face of the rotary disc, a potassium chloride paving area, a sulfuric acid spraying area and a mixing unloading area are sequentially distributed on the fixed disc in the circumferential direction, and a discharge chute is arranged in the mixing unloading area;
the storage bin is fixed in the furnace chamber and is positioned right above the potassium chloride paving area, a sealing plate is rotatably arranged at the bottom of the storage bin, and a receiving hopper is arranged at the top of the storage bin;
the opening and closing mechanism is arranged on the storage bin and used for driving the sealing plate to open and close;
the mounting rack is fixed in the furnace chamber;
the liquid spraying plate is fixed on the mounting frame and is positioned right above the sulfuric acid spraying area;
the storage mechanism is arranged on the mounting frame, one end of the storage mechanism is connected with the liquid inlet pipe, and the other end of the storage mechanism is communicated with the liquid spraying plate through the liquid outlet pipe.
As a further scheme of the invention: when the receiving groove reaches the potassium chloride paving area, the closing mechanism drives the sealing plate to open; when the receiving groove leaves the potassium chloride paving area, the closing mechanism drives the sealing plate to be closed;
when the receiving groove is not positioned in the potassium chloride paving area, the storage mechanism extracts and stores sulfuric acid in the liquid inlet pipe; when the receiving trough is positioned in the potassium chloride paving area, the storage mechanism sprays the stored sulfuric acid from the spray liquid plate into the receiving trough.
As a further scheme of the invention: the opening and closing mechanism includes:
the sliding sleeve is fixed on the side wall of the storage bin;
the first guide rod is vertically sleeved in the sliding sleeve in a sliding manner;
the support column is fixed at the lower end part of the first guide rod, a ball sleeve is arranged at the bottom of the support column, and balls are movably embedded in the ball sleeve;
the first spring is movably sleeved on the first guide rod and is positioned between the sliding sleeve and the support column;
the deflector rod is arranged on the support column; and a sliding groove matched with the deflector rod is formed in the sealing plate.
As a further scheme of the invention: the storage mechanism includes:
the liquid storage cylinder is fixed on the mounting frame;
the piston head is in sliding sealing connection with the inner wall of the liquid storage cylinder, and a push rod is fixed on the piston head;
the first one-way valve is arranged at the joint of the liquid inlet pipe and the liquid storage cylinder;
the second one-way valve is arranged at the joint of the liquid storage cylinder and the liquid outlet pipe;
the driving assembly is arranged on the mounting frame and used for driving the push rod to move up and down.
As a further scheme of the invention: the drive assembly includes:
the wedge-shaped blocks are provided with a plurality of groups and are circumferentially and uniformly distributed on the turntable, and the wedge-shaped blocks are positioned in the area between the adjacent material receiving grooves;
the lifting frame is vertically arranged on the mounting frame in a sliding manner and is fixedly connected with the push rod; the bottom of the lifting frame is rotatably provided with a roller matched with the wedge-shaped block;
the balancing weight is arranged at the top of the lifting frame;
wherein, along the direction of rotation of carousel, the height of wedge reduces gradually.
As a further scheme of the invention: the fixed disc is provided with an oscillating mechanism, and the oscillating mechanism comprises;
a cam shaft rotatably mounted on the fixed disk;
the cam is fixedly sleeved on the cam shaft and is positioned right below the discharge chute;
a first bevel gear mounted on the camshaft;
a second bevel gear mounted on the rotating shaft;
wherein, first bevel gear and second bevel gear meshing are connected.
As a further scheme of the invention: a roller grinding cavity and a stirring cavity are sequentially arranged between the receiving hopper and the storage bin, and a material throwing opening is formed in one side, facing the storage bin, of the stirring cavity; a screen frame is arranged between the roller grinding cavity and the stirring cavity in a sliding way, and a roller grinding piece matched with the screen frame is arranged in the roller grinding cavity; the stirring piece is installed in the stirring cavity in a rotating mode, and a cylinder for driving the screen frame is installed on the outer side of the stirring cavity.
As a further scheme of the invention: the stirring piece comprises a stirring shaft rotatably arranged in the stirring cavity and arc-shaped stirring sheets circumferentially uniformly distributed on the stirring shaft, a gear is fixedly arranged on the stirring shaft, and a rack meshed with the gear is arranged on the screen frame.
As a further scheme of the invention: the roller grinding piece comprises:
the second guide rod vertically slides to penetrate through the top of the roller cavity;
a grinding roller rotatably mounted at the lower end of the second guide rod and in rolling contact with the screen frame;
and the second spring is movably sleeved on the second guide rod and is positioned between the top of the roller cavity and the roller.
As a further scheme of the invention: one side of stirring chamber far away from the throwing mouth is provided with the stoving chamber, feed channel and the discharge channel with stirring chamber intercommunication have been seted up respectively to stoving chamber upper and lower both ends, be provided with the hot plate in the discharge channel, be provided with the dehumidification pipe in the stoving chamber.
The invention has the beneficial effects that:
the rake rack in the furnace chamber is utilized to drive the material receiving groove on the turntable to circularly move among the potassium chloride paving area, the sulfuric acid spraying area and the mixing unloading area, so that continuous operation of potassium chloride paving, sulfuric acid spraying and mixing unloading is realized, the combination of the potassium chloride and the sulfuric acid is uniform, the consistency is good, the proportioning precision is high, and the subsequent potassium sulfate conversion rate is ensured;
the automatic opening and closing of the sealing plate are realized by utilizing the height difference between the bottom surface of the receiving groove and the upper end surface of the turntable; when the receiving trough passes below the storage bin, the sealing plate is automatically opened, so that the receiving trough automatically spreads potassium chloride; when the receiving groove leaves the lower part of the storage bin, the sealing plate is automatically closed; the response precision of the potassium chloride preparation process is high, the paving effect is uniform, and the consistency is good;
the lifting movement of the lifting frame is realized by utilizing the cooperation of the roller and the wedge block, so that the storage mechanism is driven to circularly extract and spray the sulfuric acid; when the receiving groove does not reach the sulfuric acid spraying area, extracting and storing sulfuric acid in the liquid inlet pipe in advance; when the receiving groove passes through the sulfuric acid spraying area, the stored sulfuric acid is uniformly sprayed on the paved potassium chloride, so that the sulfuric acid and the potassium chloride are uniformly mixed.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a turntable according to the present invention;
FIG. 3 is a schematic view of the structure of a storage bin according to the present invention;
FIG. 4 is an enlarged view of the invention at A in FIG. 3;
FIG. 5 is a schematic diagram of a storage mechanism and drive assembly according to the present invention;
FIG. 6 is a cross-sectional view of a storage mechanism of the present invention;
FIG. 7 is a schematic diagram of an oscillating mechanism according to the present invention;
FIG. 8 is a schematic view of the structure of the roller and stirring cavities of the present invention;
FIG. 9 is a cross-sectional view of the roller and agitator chambers of the present invention;
FIG. 10 is an enlarged view of the invention at B in FIG. 9;
FIG. 11 is a schematic view showing a state in which potassium chloride enters a drying chamber according to the present invention;
FIG. 12 is a schematic view showing a state in which potassium chloride is discharged from the drying chamber according to the present invention;
FIG. 13 is a schematic view of the assembly of the present invention with a Mannheim furnace;
fig. 14 is a top view of the present invention.
In the figure: 1. a turntable; 2. a rotating shaft; 3. a receiving groove; 4. a receiving plate; 5. a fixed plate; 6. a discharge chute; 7. a storage bin; 71. a roller milling cavity; 72. a stirring cavity; 721. a material throwing port; 73. a drying chamber; 731. a feed channel; 732. a discharge channel; 733. a heating plate; 734. a dehumidifying pipe; 74. a screen frame; 75. a stirring member; 751. a stirring shaft; 752. an arc-shaped plectrum; 753. a gear; 754. a rack; 76. a cylinder; 77. a roller milling piece; 771. a second guide bar; 772. a second spring; 773. a roller; 8. a sealing plate; 9. a receiving hopper; 10. an opening and closing mechanism; 101. a sliding sleeve; 102. a first guide bar; 103. a support column; 104. a first spring; 105. a deflector rod; 106. a chute; 107. a ball sleeve; 108. a ball; 11. a mounting frame; 12. a liquid spraying plate; 13. a liquid storage cylinder; 14. a liquid inlet pipe; 15. a liquid outlet pipe; 16. a push rod; 17. a piston head; 18. a first one-way valve; 19. a second one-way valve; 20. a lifting frame; 21. a roller; 22. wedge blocks; 23. balancing weight; 24. a cam shaft; 25. a cam; 26. a first bevel gear; 27. and a second bevel gear.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
The invention discloses a raw material proportioning and adding device for potassium sulfate production, which is applied to a Mannheim furnace (shown in a figure 13), wherein the Mannheim furnace comprises a furnace chamber and a rake rack (shown in a figure 13 b) rotatably arranged in the furnace chamber, in the reaction process, potassium chloride and sulfuric acid in a reaction chamber in the furnace chamber are stirred through rake teeth on the rake rack, so that the potassium chloride and the sulfuric acid are fully contacted, and simultaneously, the potassium sulfate obtained by the reaction is gradually pushed to the periphery of the furnace chamber;
referring to fig. 1, 2 and 14, the raw material proportioning and adding device for potassium sulfate production comprises a rotary table 1, a fixed table 5, a storage bin 7, an opening and closing mechanism 10, a mounting frame 11, a liquid spraying plate 12 and a storage mechanism; a rotating shaft 2 which is coaxially and fixedly connected with the rake rack is arranged at the axis of the rotating disc 1, a plurality of receiving grooves 3 are uniformly distributed on the rotating disc 1 in the circumferential direction, and one side of the bottom of each receiving groove 3 is hinged with a receiving plate 4; the fixed disc 5 is fixed on the inner wall of the furnace chamber and is attached to the lower end face of the rotary disc 1, a potassium chloride paving area, a sulfuric acid spraying area and a mixing unloading area are sequentially distributed on the fixed disc 5 in the circumferential direction, and a discharge chute 6 is arranged in the mixing unloading area;
referring to fig. 3, a storage bin 7 is fixed in the furnace chamber and is positioned right above the potassium chloride paving area, a sealing plate 8 is rotatably arranged at the bottom of the storage bin 7, and a receiving hopper 9 is arranged at the top of the storage bin 7; the opening and closing mechanism 10 is arranged on the storage bin 7, and when the receiving trough 3 reaches the potassium chloride spreading area, the opening and closing mechanism 10 drives the sealing plate 8 to open; when the receiving chute 3 leaves the potassium chloride paving area, the closing mechanism 10 drives the sealing plate 8 to be closed;
referring to fig. 5, a mounting frame 11 is fixed in the oven cavity, and a spray plate 12 is fixed on the mounting frame 11 and located right above the sulfuric acid spraying area; the storage mechanism is arranged on the mounting frame 11, one end of the storage mechanism is connected with the liquid inlet pipe 14, and the other end of the storage mechanism is communicated with the liquid spraying plate 12 through the liquid outlet pipe 15; when the receiving tank 3 is not positioned in the potassium chloride paving area, the storage mechanism extracts and stores sulfuric acid in the liquid inlet pipe 14; when the receiving tank 3 is positioned in the potassium chloride paving area, the storage mechanism ejects the stored sulfuric acid from the liquid spraying plate 12.
Specifically, the turntable 1 rotates synchronously at a constant speed relative to the fixed disk 5 along with the harrow rack in the Mannheim furnace, so that each group of material tanks 3 can circularly move among a potassium chloride paving area, a sulfuric acid spraying area and a material mixing unloading area; when the material receiving plate 4 on the turntable 1 does not reach the material mixing unloading area, the material receiving plate 4 always seals the corresponding material receiving groove 3 due to the limitation of the fixed disk 5;
the receiving hopper 9 at the upper end of the storage bin 7 is used for receiving the potassium chloride sent into the furnace chamber by an external conveying mechanism (such as a conveying belt, a screw conveyor and the like), and the storage bin 7 can store the received potassium chloride; when one group of material grooves 3 on the rotary table 1 rotates to the potassium chloride paving position, the sealing plate 8 at the lower end of the storage bin 7 is driven by the opening and closing mechanism 10 to discharge the potassium chloride stored in the storage bin 7, and along with the uniform rotation of the rotary table 1, the potassium chloride in the storage bin 7 can be uniformly paved in the material grooves 3, so that the potassium chloride is configured;
the liquid inlet pipe 14 is connected with external sulfuric acid conveying equipment and is used for conveying liquid sulfuric acid into the furnace chamber; when the region between the adjacent receiving tanks 3 on the turntable 1 passes through the sulfuric acid spraying region, the storage mechanism extracts and temporarily stores sulfuric acid in the liquid inlet pipe 14, and when the receiving tanks 3 on the turntable 1 pass through the sulfuric acid spraying region, the storage mechanism sprays the temporarily stored sulfuric acid from the liquid spraying plate 12, and the sprayed sulfuric acid can be uniformly covered on the spread potassium chloride along with uniform rotation of the turntable 1, so that the configuration of the sulfuric acid is realized;
the receiving groove 3 loaded with potassium chloride and sulfuric acid continuously rotates along with the rotary table 1 until the receiving groove 3 rotates to a mixing unloading area, and the corresponding receiving plate 4 is not limited by the fixed disc 5 due to the arrangement of the discharging groove 6, so that the receiving plate can automatically overturn downwards when reaching the discharging groove 6, the mixed raw materials of the potassium chloride and the sulfuric acid loaded on the receiving plate fall into a reaction chamber below the fixed disc 5, and then stirring is stirred again through a rake rack;
the material receiving plate 4 from which the mixed raw materials are unloaded gradually moves out of the material mixing unloading area along with the continuous rotation of the turntable 1, and then the material receiving plate is turned upwards again under the limit of the fixed disk 5 and the corresponding material receiving groove 3 is closed until the material receiving plate moves to the potassium chloride paving area to wait for the next round of potassium chloride loading; thus, the circulating operation of potassium chloride configuration, sulfuric acid configuration and mixing unloading can be realized.
It should be noted that, for the configuration process of potassium chloride, in practical application, the potassium chloride capacity of the storage bin 7 paved in each group of the material receiving grooves 3 can be set according to the needs, specifically, the area and the depth of the material receiving grooves 3 can be set, correspondingly, the opening of the sealing plate 8 at the lower end of the storage bin 7 can be adjusted in an adaptive manner, so that the paving area and the thickness of the potassium chloride can reach the set values;
similarly, for the configuration process of sulfuric acid, in practical application, the sulfuric acid capacity sprayed by the liquid spraying plate 12 can be set according to the requirement, so that the spraying amount of sulfuric acid can be matched with the corresponding capacity of potassium chloride and can meet the subsequent normal reaction.
In one embodiment, referring to fig. 4, the opening and closing mechanism 10 includes a sliding sleeve 101, a first guide rod 102, a supporting column 103, a first spring 104, a driving rod 105, a ball sleeve 107, and a ball 108; the sliding sleeve 101 is fixed on the side wall of the storage bin 7; the first guide rod 102 is vertically sleeved in the sliding sleeve 101 in a sliding manner; the support column 103 is fixed at the lower end part of the first guide rod 102, a ball sleeve 107 is arranged at the bottom of the support column 103, and balls 108 are movably embedded in the ball sleeve 107; the first spring 104 is movably sleeved on the first guide rod 102 and is positioned between the sliding sleeve 101 and the supporting column 103; the deflector rod 105 is arranged on the support column 103, and a chute 106 matched with the deflector rod 105 is arranged on the sealing plate 8;
specifically, under the action of the elastic force of the first spring 104, the balls 108 at the bottom of the supporting column 103 are always in rolling contact with the turntable 1, when the balls 108 are in contact with a region on the turntable 1 where the material receiving groove 3 is not arranged, the height of the region is higher than the height of the bottom surface of the material receiving groove 3, at the moment, under the limit of the deflector rod 105, the sealing plate 8 just seals the opening at the lower end of the storage bin 7, when the material receiving groove 3 on the turntable 1 rotates to a potassium chloride paving region, the balls 108 roll into the material receiving groove 3, the first spring 104 pushes the supporting column 103 to move downwards until the balls 108 are in contact with the bottom surface of the material receiving groove 3, and the deflector rod 105 is driven to move downwards synchronously when the supporting column 103 moves downwards, so that the sealing plate 8 is driven to rotate and open, the potassium chloride paving configuration in the material receiving groove 3 is realized until the balls 108 roll out of the material receiving groove 3 again, and the sealing plate 8 is sealed;
in this embodiment, the automatic opening and closing of the sealing plate 8 is realized by using the height difference between the bottom surface of the receiving slot 3 and the upper end surface of the turntable 1; when the receiving chute 3 passes below the storage bin 7, the sealing plate 8 is automatically opened, so that the receiving chute 3 automatically paves potassium chloride; when the receiving groove 3 leaves the lower part of the storage bin 7, the sealing plate 8 is automatically closed; the response precision of the potassium chloride preparation process is high, the paving effect is uniform, and the consistency is good; the opening size of the sealing plate 8 can be correspondingly adjusted by adjusting the relative positions of the deflector rod 105 and the sealing plate 8, so that the potassium chloride capacity paved each time meets the actual requirement.
In yet another embodiment, referring to fig. 6, the storage mechanism includes a reservoir 13, a piston head 17, a first check valve 18, a second check valve 19, and a drive assembly; the liquid storage cylinder 13 is fixed on the mounting frame 11; the piston head 17 is in sliding sealing connection with the inner wall of the liquid storage barrel 13, and a push rod 16 is fixed on the piston head 17; the first one-way valve 18 is arranged at the joint of the liquid inlet pipe 14 and the liquid storage cylinder 13; the second one-way valve 19 is arranged at the joint of the liquid storage cylinder 13 and the liquid outlet pipe 15; the driving component is arranged on the mounting frame 11 and is used for driving the push rod 16 to move up and down;
specifically, when the area of the turntable 1 where the receiving groove 3 is not arranged passes through the sulfuric acid spraying area, the driving assembly drives the push rod 16 to ascend, so that the piston head 17 is driven to move upwards along the liquid storage barrel 13, and meanwhile, the first one-way valve 18 is opened, the second one-way valve 19 is closed, so that sulfuric acid in the liquid inlet pipe 14 is sucked into the liquid storage barrel 13; when the receiving groove 3 on the rotary table 1 passes through the sulfuric acid spraying area, the driving assembly drives the push rod 16 to descend, so that the piston head 17 is driven to move downwards along the liquid storage barrel 13, meanwhile, the first one-way valve 18 is closed, and the second one-way valve 19 is opened, so that sulfuric acid in the liquid storage barrel 13 is pressed into the liquid outlet pipe 15, and finally, the sulfuric acid is sprayed out of the liquid spraying plate 12 and covers potassium chloride paved in the receiving groove 3.
Further, referring to fig. 5, the driving assembly includes a lifting frame 20, a roller 21, a wedge 22 and a counterweight 23; the wedge-shaped blocks 22 are provided with a plurality of groups and are circumferentially and uniformly distributed on the turntable 1, and the wedge-shaped blocks 22 are positioned in the area between the adjacent material receiving grooves 3; the lifting frame 20 is vertically arranged on the mounting frame 11 in a sliding manner, and the lifting frame 20 is fixedly connected with the push rod 16; the bottom of the lifting frame 20 is rotatably provided with a roller 21 which is matched with the wedge-shaped block 22; the balancing weight 23 is arranged at the top of the lifting frame 20; wherein the height of the wedge 22 gradually decreases along the rotation direction of the turntable 1;
specifically, when the region of the turntable 1 where the receiving groove 3 is not arranged passes through the sulfuric acid spraying region, due to the action of the wedge block 22, the roller 21 gradually climbs while rolling along the inclined plane at the upper end of the wedge block 22, so as to drive the lifting frame 20 to ascend relative to the mounting frame 11, further drive the push rod 16 to ascend synchronously, and suck sulfuric acid in the liquid inlet pipe 14 into the liquid storage barrel 13; when the receiving groove 3 on the turntable 1 passes through the sulfuric acid spraying area, the roller 21 is separated from the highest point of the wedge-shaped block 22, and the lifting frame 20 gradually descends relative to the mounting frame 11 under the action of the gravity of the balancing weight 23, so that the push rod 16 is driven to synchronously descend, and sulfuric acid in the liquid storage barrel 13 is pressed into the liquid outlet pipe 15; thus, the cyclic operation of extracting and spraying the sulfuric acid can be realized.
In this embodiment, the roller 21 and the wedge block 22 cooperate to realize the lifting movement of the lifting frame 20, so as to drive the storage mechanism to circularly extract and spray the sulfuric acid; when the receiving groove 3 does not reach the sulfuric acid spraying area, extracting and storing sulfuric acid in the liquid inlet pipe 14 in advance; when the receiving groove 3 passes through the sulfuric acid spraying area, the stored sulfuric acid is uniformly sprayed on the paved potassium chloride, so that the sulfuric acid and the potassium chloride are uniformly mixed;
in addition, the lifting frame 20 is driven to descend by the counter weight 23, and the gravity of the counter weight 23 is kept constant all the time, so that the thrust force exerted by the push rod 16 on the piston head 17 is kept constant, the descending speed of the piston head 17 along the liquid storage barrel 13 is stable, the consistent amount of sulfuric acid sprayed out of the liquid spraying plate 12 in unit time can be effectively ensured, the consistent amount of sulfuric acid covered on potassium chloride in each area in the material receiving groove 3 is kept, and the mixing configuration precision is high.
In an embodiment, considering that the material receiving plate 4 is at the material unloading groove 6 reaching the material mixing unloading area, under the action of gravity, the material receiving plate 4 turns downwards to unload, due to certain viscosity after mixing potassium chloride and sulfuric acid, the material mixing can not be completely separated from the material receiving plate 4 only by turning the material receiving plate 4, and part of the material mixing still remains on the material receiving plate 4 inevitably; for this purpose, referring to fig. 7, the fixed disk 5 is provided with an oscillating mechanism comprising a cam shaft 24, a cam 25, a first bevel gear 26 and a second bevel gear 27; the cam shaft 24 is rotatably mounted on the fixed disk 5; the cam 25 is fixedly sleeved on the cam shaft 24 and is positioned right below the discharge chute 6; a first bevel gear 26 is mounted on the cam shaft 24, and a second bevel gear 27 is mounted on the rotating shaft 2; wherein the first bevel gear 26 is in meshed connection with the second bevel gear 27;
specifically, when the turntable 1 rotates along with the rake rack, the cam shaft 24 and the cam 25 are driven to synchronously rotate through the meshing transmission of the first bevel gear 26 and the second bevel gear 27, when the material receiving plate 4 reaches the discharge chute 6 and turns downwards, the material receiving plate 4 starts to contact with the cam 25 along with the rotation of the turntable 1, and the material receiving plate 4 turns back and forth to swing due to different radial dimensions of the cam 25, and the oscillating effect of the cam 25 is utilized to carry out reciprocating knocking oscillation on the material receiving plate 4, so that the mixed materials on the material receiving plate 4 are discharged, and the mixed materials are prevented from remaining.
In a further embodiment, considering that the potassium chloride has certain hygroscopicity, in the process of conveying the potassium chloride to the storage bin 7 through the external conveying equipment, the potassium chloride can be caused to absorb water vapor in the external environment to cause potassium chloride agglomeration due to contact with the external environment, and the agglomerated potassium chloride can cause blockage of an outlet at the lower end of the storage bin 7 and influence the paving uniformity of the subsequent potassium chloride; for this reason, referring to fig. 8 and 9, a roller grinding cavity 71 and a stirring cavity 72 are sequentially disposed between the receiving hopper 9 and the storage bin 7, and a material throwing opening 721 is disposed on a side of the stirring cavity 72 facing the storage bin 7; a screen frame 74 is slidably arranged between the roller grinding cavity 71 and the stirring cavity 72, roller grinding pieces 77 matched with the screen frame 74 are arranged in the roller grinding cavity 71, stirring pieces 75 are rotatably arranged in the stirring cavity 72, and a cylinder 76 for driving the screen frame 74 is arranged outside the stirring cavity 72;
specifically, the external conveying equipment inputs the potassium chloride raw materials into the receiving hopper 9, then the potassium chloride reaches the roller milling cavity 71, the air cylinder 76 drives the screen frame 74 to slide and stretch into the roller milling cavity 71 to contain the potassium chloride, then the air cylinder 76 drives the screen frame 74 to slide and stretch into the upper part of the stirring cavity 72, the screen frame 74 slides back and forth, the roller milling piece 77 grinds the potassium chloride on the screen surface of the screen frame 74, so that the agglomerated potassium chloride is milled, then the milled potassium chloride filters the screen frame 74, the potassium chloride particles with the particle size smaller than the screen frame 74 fall into the stirring cavity 72 through the screen frame 74, the stirring piece 75 in the stirring cavity 72 further stirs and breaks up the potassium chloride, and the crushed and broken potassium chloride is discharged into the storage bin 7 from the material throwing port 721 of the stirring cavity 72.
Further, referring to fig. 9, the stirring member 75 includes a stirring shaft 751 rotatably mounted in the stirring chamber 72 and an arc-shaped stirring piece 752 circumferentially and uniformly distributed on the stirring shaft 751, a gear 753 is fixedly mounted on the stirring shaft 751, and a rack 754 engaged with the gear 753 is provided on the screen frame 74;
when the cylinder 76 drives the screen frame 74 to slide and extend out of the roller cavity 71, the stirring shaft 751 is synchronously driven to rotate anticlockwise through the meshing transmission of the rack 754 and the gear 753, and the arc-shaped shifting sheet 752 contains potassium chloride falling from the screen frame 74 and stirs and breaks up the potassium chloride; when the cylinder 76 drives the screen frame 74 to slide and extend into the roller cavity 71, the stirring shaft 751 is synchronously driven to rotate clockwise through the meshing transmission of the rack 754 and the gear 753, and the arc-shaped shifting piece 752 pushes potassium chloride in the stirring cavity 72 to the material throwing opening 721, so that the potassium chloride is thrown out from the material throwing opening 721 under the action of centrifugal force.
Still further, referring to fig. 10, the roller 77 includes a second guide rod 771, a second spring 772 and a roller 773, wherein the second guide rod 771 vertically slides through the top of the roller cavity 71, and the roller 773 is rotatably mounted at the lower end of the second guide rod 771 and is in rolling contact with the screen frame 74; the second spring 772 is movably sleeved on the second guide rod 771 and is positioned between the top of the roller cavity 71 and the roller 773;
under the action of the elastic force of the second spring 772, the grinding roller 773 is always in pressing contact with the screen frame 74, and the screen frame 74 drives the grinding roller 773 to synchronously roll in the back and forth sliding process, so that potassium chloride on the screen frame 74 is ground, and the agglomerated potassium chloride is ground.
In addition, considering that the internal humidity of the agglomerated potassium chloride is still large, even if the potassium chloride is crushed, the moist potassium chloride still affects the configuration of the subsequent potassium chloride and the proportioning precision between the potassium chloride and the sulfuric acid, therefore, referring to fig. 9, a drying cavity 73 is arranged at one side of the stirring cavity 72 away from the material throwing opening 721, a feeding channel 731 and a discharging channel 732 which are communicated with the stirring cavity 72 are respectively arranged at the upper end and the lower end of the drying cavity 73, a heating plate 733 is arranged in the discharging channel 732, and a dehumidifying pipe 734 is arranged in the drying cavity 73;
specifically, referring to fig. 11, when the stirring member 75 rotates counterclockwise, the potassium chloride is pushed into the drying chamber 73 along the path shown in the figure through the feeding channel 731, then the potassium chloride enters the discharging channel 732, the heating plate 733 heats and dries the potassium chloride, and the moisture-pumping tube 734 pumps the water vapor generated by heating out of the drying chamber 73;
referring to fig. 12, the agitator 75 is then rotated clockwise, and the potassium chloride in the discharge channel 732 is discharged into the agitator chamber 72, and the agitator 75 ejects the dried potassium chloride from the ejection port 721 along the path shown in the drawing.
It should be noted that, under the inertial action of the stirring member 75 rotating counterclockwise, the potassium chloride can follow the arc-shaped pulling piece 752 to reach the feeding channel 731 and enter the drying cavity 73 through the feeding channel 731; while when the stirring member 75 rotates clockwise, potassium chloride in the drying chamber 73 can slide into the stirring chamber 72 by itself through the discharging passage 732.
The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.
Claims (6)
1. The raw material proportioning and adding device for potassium sulfate production is applied to a Mannheim furnace, wherein the Mannheim furnace comprises a furnace chamber and a rake rack rotatably arranged in the furnace chamber;
the device is characterized in that the raw material proportioning and adding device for potassium sulfate production comprises:
a rotating shaft (2) which is coaxially and fixedly connected with the rake rack is arranged at the axis of the rotating disc (1), a plurality of receiving grooves (3) are circumferentially and uniformly distributed on the rotating disc (1), and a receiving plate (4) is hinged to one side of the bottom of each receiving groove (3);
the fixed disc (5) is fixed on the inner wall of the furnace chamber and is attached to the lower end face of the rotary disc (1), a potassium chloride paving area, a sulfuric acid spraying area and a mixing unloading area are circumferentially and sequentially distributed on the fixed disc (5), and a discharge chute (6) is arranged in the mixing unloading area;
the storage bin (7) is fixed in the furnace chamber and is positioned right above the potassium chloride paving area, a sealing plate (8) is rotatably arranged at the bottom of the storage bin (7), and a receiving hopper (9) is arranged at the top of the storage bin (7);
the opening and closing mechanism (10) is arranged on the storage bin (7) and is used for driving the sealing plate (8) to open and close;
a mounting frame (11) fixed in the cavity;
the liquid spraying plate (12) is fixed on the mounting frame (11) and is positioned right above the sulfuric acid spraying area;
the storage mechanism is arranged on the mounting frame (11), one end of the storage mechanism is connected with the liquid inlet pipe (14), and the other end of the storage mechanism is communicated with the liquid spraying plate (12) through the liquid outlet pipe (15);
the storage mechanism includes:
a liquid storage cylinder (13) fixed on the mounting frame (11);
the piston head (17) is in sliding sealing connection with the inner wall of the liquid storage barrel (13), and a push rod (16) is fixed on the piston head (17);
the first one-way valve (18) is arranged at the joint of the liquid inlet pipe (14) and the liquid storage cylinder (13);
the second one-way valve (19) is arranged at the joint of the liquid storage cylinder (13) and the liquid outlet pipe (15);
the driving assembly is arranged on the mounting frame (11) and used for driving the push rod (16) to move up and down;
the drive assembly includes:
the wedge-shaped blocks (22) are provided with a plurality of groups and are circumferentially and uniformly distributed on the turntable (1), and the wedge-shaped blocks (22) are positioned in the area between the adjacent receiving grooves (3);
the lifting frame (20) is vertically arranged on the mounting frame (11) in a sliding manner, and the lifting frame (20) is fixedly connected with the push rod (16); the bottom of the lifting frame (20) is rotatably provided with a roller (21) which is matched with the wedge block (22);
the balancing weight (23) is arranged at the top of the lifting frame (20);
wherein, along the rotation direction of the turntable (1), the height of the wedge-shaped block (22) gradually decreases;
a roller grinding cavity (71) and a stirring cavity (72) are sequentially arranged between the receiving hopper (9) and the storage bin (7), and a material throwing opening (721) is formed in one side, facing the storage bin (7), of the stirring cavity (72); a screen frame (74) is arranged between the roller grinding cavity (71) and the stirring cavity (72) in a sliding manner, and a roller grinding piece (77) matched with the screen frame (74) is arranged in the roller grinding cavity (71); a stirring piece (75) is rotatably arranged in the stirring cavity (72), and an air cylinder (76) for driving the screen frame (74) is arranged outside the stirring cavity (72);
when the receiving groove (3) reaches the potassium chloride paving area, the closing mechanism (10) drives the sealing plate (8) to open; when the receiving groove (3) leaves the potassium chloride paving area, the closing mechanism (10) drives the sealing plate (8) to be closed;
when the region of the turntable (1) where the receiving groove (3) is not arranged passes through the sulfuric acid spraying region, the driving assembly drives the push rod (16) to ascend to drive the piston head (17) to move upwards along the liquid storage barrel (13), and meanwhile, the first one-way valve (18) is opened, the second one-way valve (19) is closed to suck sulfuric acid in the liquid inlet pipe (14) into the liquid storage barrel (13); when the receiving groove (3) on the rotary table (1) passes through the sulfuric acid spraying area, the driving assembly drives the push rod (16) to descend to drive the piston head (17) to move downwards along the liquid storage barrel (13), meanwhile, the first one-way valve (18) is closed, the second one-way valve (19) is opened, sulfuric acid in the liquid storage barrel (13) is pressed into the liquid outlet pipe (15), and finally, the sulfuric acid is sprayed out of the liquid spraying plate (12) and is covered on potassium chloride paved in the receiving groove (3).
2. The apparatus for adding raw materials for potassium sulfate production according to claim 1, wherein the opening and closing mechanism (10) comprises:
the sliding sleeve (101) is fixed on the side wall of the storage bin (7);
the first guide rod (102) is vertically sleeved in the sliding sleeve (101) in a sliding manner;
the support column (103) is fixed at the lower end part of the first guide rod (102), a ball sleeve (107) is arranged at the bottom of the support column (103), and balls (108) are movably embedded in the ball sleeve (107);
the first spring (104) is movably sleeved on the first guide rod (102) and is positioned between the sliding sleeve (101) and the supporting column (103);
a deflector rod (105) arranged on the support column (103); the sealing plate (8) is provided with a sliding groove (106) which is matched with the deflector rod (105).
3. The raw material proportioning device for potassium sulfate production according to claim 1, wherein an oscillating mechanism is arranged on the fixed disc (5), and the oscillating mechanism comprises;
a cam shaft (24) rotatably mounted on the fixed disk (5);
the cam (25) is fixedly sleeved on the cam shaft (24) and is positioned right below the discharge chute (6);
a first bevel gear (26) mounted on the camshaft (24);
a second bevel gear (27) mounted on the rotating shaft (2);
wherein the first bevel gear (26) is in meshed connection with the second bevel gear (27).
4. The raw material proportioning adding device for potassium sulfate production according to claim 1, wherein the stirring piece (75) comprises a stirring shaft (751) rotatably installed in the stirring cavity (72) and arc-shaped stirring sheets (752) circumferentially uniformly distributed on the stirring shaft (751), a gear (753) is fixedly installed on the stirring shaft (751), and a rack (754) meshed with the gear (753) is arranged on the screen frame (74).
5. The raw material proportioning adding device for potassium sulfate production according to claim 1, wherein the roller (77) comprises:
the second guide rod (771) vertically slides through the top of the roller cavity (71);
a grinding roller (773) rotatably mounted to the lower end of the second guide rod (771) and in rolling contact with the screen frame (74);
and the second spring (772) is movably sleeved on the second guide rod (771) and is positioned between the top of the roller grinding cavity (71) and the roller (773).
6. The raw material proportioning and adding device for potassium sulfate production according to claim 1, wherein a drying cavity (73) is arranged on one side, far away from the material throwing opening (721), of the stirring cavity (72), a feeding channel (731) and a discharging channel (732) which are communicated with the stirring cavity (72) are respectively formed in the upper end and the lower end of the drying cavity (73), a heating plate (733) is arranged in the discharging channel (732), and a dehumidifying pipe (734) is arranged in the drying cavity (73).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410067679.XA CN117566767B (en) | 2024-01-17 | 2024-01-17 | Raw material proportioning adding device for potassium sulfate production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410067679.XA CN117566767B (en) | 2024-01-17 | 2024-01-17 | Raw material proportioning adding device for potassium sulfate production |
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| CN117566767B true CN117566767B (en) | 2024-03-15 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB970744A (en) * | 1962-05-04 | 1964-09-23 | Scottish Agricultural Ind Ltd | Improvements in or relating to the production of sodium sulphate or potassium sulphate |
| CN112794345A (en) * | 2021-01-20 | 2021-05-14 | 宁夏中泰富瑞科技有限公司 | Equipment for preparing potassium sulfate from potassium chloride and manufacturing process thereof |
| CN214878662U (en) * | 2021-03-05 | 2021-11-26 | 广东米高化工有限公司 | Discharging machine for potassium fertilizer production |
| CN113952881A (en) * | 2021-11-03 | 2022-01-21 | 高文博 | Epoxy chemical industry coating production system |
| CN115253983A (en) * | 2022-08-30 | 2022-11-01 | 安徽国泰化工有限公司 | Non-return equipment and process for preparing potassium sulfate by Mannheim furnace method |
-
2024
- 2024-01-17 CN CN202410067679.XA patent/CN117566767B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB970744A (en) * | 1962-05-04 | 1964-09-23 | Scottish Agricultural Ind Ltd | Improvements in or relating to the production of sodium sulphate or potassium sulphate |
| CN112794345A (en) * | 2021-01-20 | 2021-05-14 | 宁夏中泰富瑞科技有限公司 | Equipment for preparing potassium sulfate from potassium chloride and manufacturing process thereof |
| CN214878662U (en) * | 2021-03-05 | 2021-11-26 | 广东米高化工有限公司 | Discharging machine for potassium fertilizer production |
| CN113952881A (en) * | 2021-11-03 | 2022-01-21 | 高文博 | Epoxy chemical industry coating production system |
| CN115253983A (en) * | 2022-08-30 | 2022-11-01 | 安徽国泰化工有限公司 | Non-return equipment and process for preparing potassium sulfate by Mannheim furnace method |
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| Publication number | Publication date |
|---|---|
| CN117566767A (en) | 2024-02-20 |
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