阅读说明：本技术 一种硝酸钾片及其生产设备及其生产工艺 (Potassium nitrate tablet and production equipment and production process thereof ) 是由 余一茅 于 2020-11-05 设计创作，主要内容包括：本发明涉及一种硝酸钾片及其生产设备及其生产工艺,硝酸钾片本体为圆形片状或球形颗粒结构,包括制片组件(5),制片组件(5)包括冲模(54),冲模(54)上具有模孔(541),模孔(541)可更换,模孔(541)为圆形,孔(541)直径为2mm～2cm。本发明硝酸钾片及其生产设备及其生产工艺操作简单、生产成本低,生产的颗粒状硝酸钾具有大小均匀、颗粒结实不易碎、不结块。(The invention relates to a potassium nitrate slice and production equipment and a production process thereof, wherein a potassium nitrate slice body is of a circular flaky or spherical particle structure and comprises a slice making assembly (5), the slice making assembly (5) comprises a punch die (54), the punch die (54) is provided with a die hole (541), the die hole (541) is replaceable, the die hole (541) is circular, and the diameter of the die hole (541) is 2 mm-2 cm. The potassium nitrate tablet and the production equipment and the production process thereof have simple operation and low production cost, and the produced granular potassium nitrate has uniform size, firm granules and difficult breakage and no caking.)

1. The potassium nitrate slice comprises a potassium nitrate slice body and is characterized in that: the potassium nitrate slice body is in a round flaky or spherical particle structure.

2. The potassium nitrate tablet of claim 1, wherein: the diameter of the potassium nitrate slice body is 2 mm-2 cm.

3. The potassium nitrate tablet of claim 2, wherein: the diameter of the potassium nitrate slice body is 1 cm.

4. An apparatus for producing potassium nitrate tablets as claimed in any one of claims 1 to 3, comprising a tablet-making assembly (5), the tablet-making assembly (5) comprising a punch (54), the punch (54) having a die hole (541) therein, characterized in that: the die holes (541) are replaceable.

5. The apparatus for producing potassium nitrate tablets as claimed in claim 4, wherein: the die hole (541) is circular.

6. The apparatus for producing potassium nitrate tablets as claimed in claim 5, wherein: the diameter of the die hole (541) is 2 mm-2 cm.

7. The apparatus for producing potassium nitrate tablets as claimed in claim 6, wherein: the tabletting assembly (5) further comprises a second rotary disc (52), and the second rotary disc (52) is provided with a mounting hole for mounting the punch die (54).

8. The apparatus for producing potassium nitrate tablets as claimed in claim 7, wherein: the automatic transmission mechanism is characterized by further comprising a driving assembly (6), wherein the driving assembly (6) comprises a driving shaft (61), and the driving shaft (61) penetrates through the middle of the second rotating disc (52) and is connected with the second rotating disc (52).

9. The apparatus for producing potassium nitrate tablets as claimed in claim 8, wherein: the tabletting assembly (5) further comprises a first rotary table (51), a third rotary table (53), an upper punching assembly (55) and a lower punching assembly (56), wherein the first rotary table (51) and the third rotary table (53) are arranged on the driving shaft (61).

10. A process for producing potassium nitrate sheets as defined in any one of claims 1 to 3, which is carried out by the apparatus for producing potassium nitrate sheets as defined in any one of claims 4 to 19, wherein: further comprising the steps of:

s1: filling a certain amount of powdery crystalline potassium nitrate into a die hole (541) on a punch die (54) by using a charging assembly (2);

s2: the driving assembly (6) drives the first rotary table (51), the second rotary table (52), the third rotary table (53), the punching die (54), the upper punching assembly (55) and the lower punching assembly (56) to rotate, when the upper pulley (552) rotates to the lower part of the pressing wheel (33), the pressing wheel (33) presses the upper pulley (552) and the upper punching head (551) to move downwards, so that the material in the die hole (541) is extruded, the material is molded, and the material is pressed into tablets;

s3: when the lower pulley (562) passes through the first arc-shaped support (71) and the second arc-shaped support (72), the lower punch (561) slides upwards, and granules pressed into the tablets in the die holes (541) are ejected out of the die holes (541), so that the flaky or spherical granular potassium nitrate is obtained.

S4: when the lower pulley (562) is not on the first arcuate support (71) and the second arcuate support (72), the lower punch (561) is lowered to the home position, ready for the next fill.

Technical Field

The invention relates to the technical field of potassium nitrate production and processing, in particular to a potassium nitrate sheet, production equipment and a production process thereof.

Background

With the development of society, the intelligent manufacturing level of people is continuously improved, and enterprises pursue intelligent automation. An intelligent plant uses materials with good fluidity and easy operation. It not only can practice thrift the manual work, still solves the important mode of potassium nitrate caking.

The potassium nitrate both had the caking, also had potential danger simultaneously in road transport, and traditional potassium nitrate caking is very serious, and most use enterprises will take the hammer to strike, carries out secondary operation with the rubbing crusher, and the potassium nitrate itself is dangerous chemicals, and the potential safety hazard that can easily cause enterprise employee's unexpected injury in the secondary operation in-process. In addition, the grain diameter of the potassium nitrate is larger than 2mm in foreign countries, which is regarded as common cargo transportation, and the safety accidents of the potassium nitrate in the transportation process are greatly reduced.

The preparation method of the potassium nitrate with the patent application number of 201911354206.3 comprises the following steps: adding nitric acid and magnesium oxide into a reactor, reacting for 2-3 hours, then adding potassium chloride, and reacting for 1.5-3 hours to obtain a reaction mixture; carrying out primary cooling crystallization on the reaction mixture, and separating to obtain a potassium nitrate crude crystal and a first mother solution; carrying out secondary cooling crystallization and third cooling crystallization on the first mother liquor, and separating to obtain a potassium nitrate wet crystal and a second mother liquor; drying the potassium nitrate wet crystal to obtain potassium nitrate crystal. There is a problem in that powdery crystalline potassium nitrate is easily agglomerated during storage and transportation, which causes inconvenience in use of the product.

To prevent the product from caking, there are two main methods in the industry today: the first method is to add an anti-caking agent into a potassium nitrate product, but the added anti-caking agent can affect the product quality and is generally used for low-end products. The second method is to melt the potassium nitrate at high temperature and then spray and cool the potassium nitrate by a high tower to form spherical granular products, but the method has the disadvantages of complex operation, high energy consumption and high production cost.

Disclosure of Invention

Aiming at the technical problems, it is necessary to research and design a potassium nitrate sheet which is simple to operate and low in production cost, and the produced granular potassium nitrate has uniform size, solid granules and low possibility of breaking and does not cake, and production equipment and a production process thereof.

In order to solve the technical problems in the prior art, the invention provides the potassium nitrate sheet, the production equipment and the production process thereof, the operation is simple, the production cost is low, the produced granular potassium nitrate has uniform size, the granules are firm and are not easy to break and agglomerate, and the problems in the background art can be effectively solved.

In order to solve the technical problems, the technical scheme of the potassium nitrate sheet, the production equipment thereof and the production process thereof provided by the invention is as follows:

in a first aspect, the embodiment of the invention discloses a potassium nitrate sheet, which comprises a potassium nitrate sheet body, wherein the potassium nitrate sheet body is in a round sheet or spherical particle structure.

In any of the above embodiments, the diameter of the potassium nitrate sheet body is preferably 2mm to 2 cm.

In any of the above embodiments, preferably, the potassium nitrate tablet body has a diameter of 1 cm.

Compared with the prior art, the granular potassium nitrate produced by the potassium nitrate tablet provided by the invention has the characteristics of uniform size, solid granules, low probability of breakage and no caking.

In a second aspect, the potassium nitrate tablet production equipment comprises a tablet production assembly, wherein the tablet production assembly comprises a punch die, and a die hole is formed in the punch die and is replaceable.

In any of the above aspects, preferably, the die hole is circular.

In any of the above embodiments, the diameter of the die hole is preferably 2mm to 2 cm.

In any of the above aspects, preferably, the tableting assembly further comprises a second rotary disc having a mounting hole therein for mounting the die.

In any of the above schemes, it is preferable that the apparatus for producing potassium nitrate tablets further comprises a driving assembly, wherein the driving assembly comprises a driving shaft, and the driving shaft passes through the middle part of the second rotating disc and is connected with the second rotating disc.

In any of the above aspects, preferably, the tableting assembly further includes a first rotary table, a third rotary table, an upper punch assembly, and a lower punch assembly, the first rotary table and the third rotary table being provided on the drive shaft.

In any of the above schemes, preferably, the first turntable and the third turntable are respectively distributed above and below the second turntable, the first turntable and the third turntable are respectively provided with a mounting slot hole, the lower punching assembly is arranged on the mounting slot hole on the third turntable, the upper punching assembly is arranged on the mounting slot hole on the first turntable, and the upper punching assembly and the lower punching assembly can slide on the mounting slot hole.

In any of the above schemes, preferably, the driving assembly further includes a shaft seat and a driven wheel disc, one end of the driving shaft penetrates through the shaft seat to be connected with the driven wheel disc, and the shaft seat is arranged on the base.

In any one of the above schemes, preferably, the driving assembly further includes a driving wheel disc and a driving motor, an output end of the driving motor is connected with the driving wheel disc, the driving wheel disc is connected with the driven wheel disc through a belt, and the driving motor is arranged on one side of the base.

In any of the above solutions, it is preferable that the upper punch assembly includes an upper punch and an upper pulley, the upper punch is inserted into the mounting groove hole on the first rotary table, and the top of the upper punch is connected with the upper pulley in a sliding manner.

In any of the above solutions, it is preferable that the lower punch assembly includes a lower punch inserted into the mounting groove hole of the third turntable, and a lower punch bottom connected to the lower pulley in a sliding manner.

In any of the above schemes, preferably, the apparatus for producing potassium nitrate tablets further comprises a pressing component, wherein the pressing component comprises a pressing wheel, and the pressing wheel is used for being in sliding connection with the rotating upper pulley.

In any of the above schemes, preferably, the pressing part further includes a support frame and two transverse rods, the bottom of the support frame is connected with the top of the base, the two support frames are respectively distributed on two sides of the base, and the end portions of the transverse rods penetrate through the middle of the pressing wheel and are connected with the two support frames.

In any one of the above schemes, preferably, the apparatus for producing potassium nitrate tablets further comprises a support assembly, the support assembly comprises a first arc support and a second arc support, the first arc support and the second arc support are respectively arranged on the base, and the lower pulley is respectively connected with the first arc support and the second arc support in a rotating manner when rotating.

In any of the above schemes, the preferred is that the equipment for producing potassium nitrate sheets further comprises a feeding assembly, the feeding assembly comprises a feeding hopper and a feeding pipe, the feeding hopper is arranged on the base, one end of the feeding pipe is communicated with the bottom of the feeding hopper, and the other end of the feeding pipe extends to the position between the first rotary table and the second rotary table and is positioned above the die hole.

In any of the above schemes, preferably, the apparatus for producing potassium nitrate slices further comprises a protective cover, and the protective cover is arranged on the base.

Compared with the prior art, the produced granular potassium nitrate has the characteristics of uniform size, solid and unbreakable granules and no caking, granular products with different shapes and sizes can be obtained by replacing the stamping die, and the appearance shape of the product is circular flaky or spherical granules with the diameter of 2mm to 2 cm.

In a third aspect, the potassium nitrate sheet production process is manufactured by the potassium nitrate sheet production equipment, and further comprises the following steps:

s1: filling a quantity of powdery crystalline potassium nitrate into the die hole on the punch die by using the charging assembly;

s2: the driving assembly drives the first rotary table, the second rotary table, the third rotary table, the stamping die, the upper stamping assembly and the lower stamping assembly to rotate, when the upper pulley rotates to the lower part of the pressing wheel, the pressing wheel presses the upper pulley and the upper punch to move downwards, and materials in the die holes are extruded to be molded and pressed into sheets;

s3: and when the lower pulley passes through the first arc-shaped support and the second arc-shaped support, the lower punch slides upwards, and particles pressed into the tablets in the die holes are ejected out of the die holes, so that the flaky or spherical granular potassium nitrate is obtained.

S4: when the lower pulley is not on the first arc support and the second arc support, the lower punch is lowered to the original position to prepare for the next filling.

In any of the above schemes, preferably, in the production process of the potassium nitrate tablet, the pressure of the upper punch is 10-100 kilonewtons.

The advantageous effects of the third aspect are the same as those of the first and second aspects, and therefore, are not described in detail herein.

Drawings

The drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

Fig. 1 is a perspective view of a preferred embodiment of a potassium nitrate sheet producing apparatus according to the present invention;

fig. 2 is a schematic view of a potassium nitrate sheet production apparatus according to the present invention with a protective cover removed;

fig. 3 is a schematic view of the potassium nitrate producing apparatus according to the present invention with the protective cover and the charging assembly removed;

fig. 4 is a schematic view of a preferred embodiment of the base, the driving assembly and the supporting assembly of the potassium nitrate sheet producing apparatus according to the present invention.

Fig. 5 is a schematic view of another preferred embodiment of the base, the driving assembly and the supporting assembly of fig. 4 of the potassium nitrate sheet producing apparatus according to the present invention.

Fig. 6 is a schematic view of a preferred embodiment of the tableting assembly and the drive assembly of the potassium nitrate tablet production apparatus according to the present invention.

Fig. 7 is a schematic view of another preferred embodiment of the tabletting assembly and drive assembly of fig. 6 of the potassium nitrate tablet production apparatus according to the present invention.

Fig. 8 is a schematic view of a preferred embodiment of the coupling of the tableting assembly and the driving assembly of the potassium nitrate tablet production apparatus according to the present invention.

Fig. 9 is a schematic view of a preferred embodiment of the tableting assembly of the potassium nitrate tablet production apparatus according to the present invention.

The reference numbers in the figures illustrate:

1. a base; 2. a feeding assembly; 21. a hopper; 22. a feed pipe; 3. a hold-down member; 31. a support frame; 32. a transverse bar; 33. a pinch roller; 4. a protective cover; 5. a tabletting assembly; 51. a first turntable; 52. a second turntable; 53. a third turntable; 54. punching a die; 541. a die hole; 55. an upper punch assembly; 551. an upper punch; 552. an upper pulley; 56. a lower punch assembly; 561. a lower punch; 562. a lower pulley; 6. a drive assembly; 61. a drive shaft; 62. a shaft seat; 63. a driven wheel disc; 64. a drive wheel disc; 65. a drive motor; 7. a support assembly; 71. a first arc support; 72. and the second arc-shaped support.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 9, in the potassium nitrate tablet production apparatus of the present invention, when in use, a certain amount of powdery crystalline potassium nitrate is filled into the die hole 541 on the die 54 by the feeding assembly 2, the driving assembly 6 drives the first rotating disc 51, the second rotating disc 52, the third rotating disc 53, the die 54, the upper pressing assembly 55 and the lower pressing assembly 56 to rotate, when the upper pulley 552 rotates to the lower portion of the pressure wheel 33, the pressure wheel 33 presses the upper pulley 552 and the upper punch 551 to move downward, the material in the die hole 541 is pressed to be shaped, the material is pressed into tablets, when the lower pulley 562 passes through the first arc-shaped support 71 and the second arc-shaped support 72, the lower punch 561 slides upward, and the granules pressed into the tablets in the die hole 541 are ejected out of the die hole 541, so as to obtain the potassium nitrate in the form of tablets or spherical granules, when the lower pulley 562 is not on the first and second arc supports 71 and 72, the lower punch 561 is lowered to the home position, ready for the next fill.

For better understanding of the above technical solutions, the technical solutions of the present invention will be described in detail below with reference to the drawings and the detailed description of the present invention.

Example (b):

in a first aspect, the embodiment of the invention provides a potassium nitrate sheet, which comprises a potassium nitrate sheet body, wherein the potassium nitrate sheet body is of a circular sheet or spherical particle structure, the diameter of the potassium nitrate sheet body is 2-2 cm, and the diameter of the potassium nitrate sheet body is 1 cm.

Compared with the prior art, the potassium nitrate slice body is set to be in a circular flaky or spherical particle structure, the produced granular potassium nitrate is uniform in size, the diameter of the potassium nitrate slice body is 2 mm-2 cm, the diameter of the potassium nitrate slice body is 1cm, and the granules are firm and are not easy to break and block.

Referring to fig. 1 to 9, in a second aspect, an apparatus for producing potassium nitrate tablets includes a tablet making assembly 5, where the tablet making assembly 5 includes a die 54, the die 54 has a die hole 541, the die hole 541 is replaceable, the die hole 541 is circular, the diameter of the die hole 541 is 2mm to 2cm, the tablet making assembly 5 further includes a second rotating disk 52, and the second rotating disk 52 has a mounting hole therein, and the mounting hole is used for mounting the die 54.

Referring to fig. 1 to 9, in the embodiment of the present invention, the apparatus for producing potassium nitrate tablets further comprises a driving assembly 6, wherein the driving assembly 6 comprises a driving shaft 61, and the driving shaft 61 passes through the middle of the second rotating disc 52 and is connected to the second rotating disc 52.

Referring to fig. 1 to 9, in the embodiment of the present invention, the flaking assembly 5 further includes a first rotating disk 51, a third rotating disk 53, an upper punch assembly 55 and a lower punch assembly 56, and the first rotating disk 51 and the third rotating disk 53 are disposed on the driving shaft 61.

Referring to fig. 1 to 9, in the embodiment of the present invention, the first turntable 51 and the third turntable 53 are respectively distributed above and below the second turntable 52, the first turntable 51 and the third turntable 53 are respectively provided with a mounting slot, the lower punching assembly 56 is disposed on the mounting slot of the third turntable 53, the upper punching assembly 55 is disposed on the mounting slot of the first turntable 51, the upper punching assembly 55 and the lower punching assembly 56 can slide on the mounting slot, the driving assembly 6 further includes a shaft seat 62 and a driven wheel 63, one end of the driving shaft 61 passes through the shaft seat 62 to be connected with the driven wheel 63, the shaft seat 62 is disposed on the base 1, the driving assembly 6 further includes a driving wheel 64 and a driving motor 65, an output end of the driving motor 65 is connected with the driving wheel 64, the driving wheel disc 64 is connected with the driven wheel disc 63 through a belt, and the driving motor 65 is arranged on one side of the base 1.

Referring to fig. 1 to 9, the upper punch assembly 55 includes an upper punch 551 and an upper pulley 552, the upper punch 551 is inserted into an installation slot on the first turntable 51, the top of the upper punch 551 is rotatably connected with the upper pulley 552, the lower punch assembly 56 includes a lower punch 561 and a lower pulley 562, the lower punch 561 is inserted into an installation slot on the third turntable 53, the bottom of the lower punch 561 is rotatably connected with the lower pulley 562, the lower punch 3 further includes a lower pressing member 3, the lower pressing member 3 includes a pressing wheel 33, the pressing wheel 33 is slidably connected with the rotating upper pulley 552, the lower pressing member 3 further includes a supporting frame 31 and two transverse rods 32, the bottom of the supporting frame 31 is connected with the top of the base 1, the two supporting frames 31 are respectively arranged on two sides of the base 1, and the ends of the transverse rods 32 pass through the middle of the pressing wheel 33, and is connected to both of the support frames 31.

Referring to fig. 1 to 9, the apparatus for producing potassium nitrate tablets further comprises a supporting assembly 7, wherein the supporting assembly 7 comprises a first arc-shaped support 71 and a second arc-shaped support 72, the first arc-shaped support 71 and the second arc-shaped support 72 are respectively disposed on the base 1, and the lower pulley 562 is respectively rotatably connected with the first arc-shaped support 71 and the second arc-shaped support 72 when rotating.

Referring to fig. 1 to 9, the apparatus for producing potassium nitrate tablets further comprises a feeding assembly 2, wherein the feeding assembly 2 comprises a feeding hopper 21 and a feeding pipe 22, the feeding hopper 21 is disposed on the base 1, one end of the feeding pipe 22 is communicated with the bottom of the feeding hopper 21, the other end of the feeding pipe 22 extends to a position between the first rotating disc 51 and the second rotating disc 52 and above the die hole 541, and further comprises a protective cover 4, and the protective cover 4 is disposed on the base 1.

When the potassium nitrate tablet machine is used, the driving assembly 6 drives the first rotating disc 51, the second rotating disc 52, the third rotating disc 53, the die 54, the upper punching assembly 55 and the lower punching assembly 56 to rotate, when the upper pulley 552 rotates to the lower part of the pressing wheel 33, the pressing wheel 33 presses the upper pulley 552 and the upper punch 551 to move downwards, materials in the die holes 541 are extruded to be molded, the materials are pressed into tablets, when the lower pulley 562 passes through the first arc-shaped support 71 and the second arc-shaped support 72, the lower punch 561 slides upwards, particles pressed into the tablets in the die holes 541 are ejected out of the die holes 541, and the potassium nitrate tablets or spherical granular potassium nitrate is obtained, and when the lower pulley 562 is not positioned on the first arc-shaped support 71 and the second arc-shaped support 72, the lower punch 561 is lowered to the original position.

Compared with the prior art, the produced granular potassium nitrate has the characteristics of uniform size, solid and unbreakable granules and no caking, granular products with different shapes and sizes can be obtained by replacing the stamping die, and the appearance shape of the product is circular flaky or spherical granules with the diameter of 2mm to 2 cm.

In a third aspect, the potassium nitrate sheet production process is manufactured by the potassium nitrate sheet production equipment, and further comprises the following steps:

s1: filling a quantity of powdery crystalline potassium nitrate into the die holes 541 on the punch 54 by means of the charging assembly 2;

s2: the driving assembly 6 drives the first rotary table 51, the second rotary table 52, the third rotary table 53, the die 54, the upper punch assembly 55 and the lower punch assembly 56 to rotate, when the upper pulley 552 rotates to the lower part of the press wheel 33, the press wheel 33 presses the upper pulley 552 and the upper punch 551 to move downwards, and the material in the die hole 541 is extruded to be molded and pressed into a sheet;

s3: when the lower pulley 562 passes through the first arc-shaped support 71 and the second arc-shaped support 72, the lower punch 561 slides upwards, and the granules pressed into the tablets in the die hole 541 are ejected out of the die hole 541, so that the flaky or spherical granular potassium nitrate is obtained.

S4: when the lower pulley 562 is not on the first and second arc supports 71 and 72, the lower punch 561 is lowered to the home position, ready for the next fill.

In the production process of the potassium nitrate tablet, the pressure of the upper punch 551 is 10-100 kilonewtons.

The advantageous effects of the third aspect are the same as those of the first and second aspects, and therefore, are not described in detail herein.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.