CN219589387U - A dry construction for potassium perchlorate production - Google Patents

Abstract

The utility model discloses a drying structure for potassium perchlorate production, which comprises a base, a dryer main body, a driving mechanism, a left bracket, a right bracket and a heating device; the dryer main body is arranged on the base through a left bracket and a right bracket; the main body of the dryer mainly comprises an inner shell, an outer shell, a rotating shaft and a supporting shaft, wherein the supporting shaft is fixedly connected to the right bracket; the inner shell and the outer shell are of spherical cavity structures, and the axis connecting line of the supporting shaft and the rotating shaft passes through the sphere center of the inner shell; the inner shell is concentrically arranged inside the outer shell, and a plurality of connecting columns are fixedly connected between the inner shell and the outer shell; the rotating shaft is fixedly connected to the left side of the outer shell, and the outer shell is concentrically arranged with the inner shell and connected with the heating device, so that the heating efficiency of air in the inner shell and the drying effect of potassium perchlorate can be effectively improved, and the hand wheel fixedly connected to the surface of the outer shell can conveniently and accurately realize the positioning of the material opening.

Description

A dry construction for potassium perchlorate production

Technical Field

The utility model relates to the technical field of potassium perchlorate production equipment, in particular to a drying structure for potassium perchlorate production.

Background

The method comprises the steps of adopting a combined production method to produce potassium perchlorate, firstly preparing sodium perchlorate by using electrolytic sodium chlorate, then producing potassium perchlorate by using a double decomposition reaction of sodium perchlorate and potassium chloride, then using a double decomposition mother solution of the potassium perchlorate to prepare electric water, using the matched electric water for electrolysis to prepare sodium chlorate, and returning the electric water to the electrolytic sodium chlorate to prepare sodium perchlorate, wherein the whole process water is in closed cycle, and the sodium chlorate is used as an intermediate product for production. After double decomposition reaction of sodium perchlorate and potassium chloride solution, the reaction is completed when the temperature is raised to 90-100 ℃, the reaction solution is cooled to 30 ℃ to precipitate potassium perchlorate crystals, and the potassium perchlorate finished product can be prepared through centrifugal separation, dipping and centrifugal separation and air flow drying at 100-110 ℃.

The application number is: the utility model of CN211953525U discloses a potassium perchlorate dryer (hereinafter referred to as prior art 1), which comprises a base, an inner shell, a heating device, a left support, a right support, a bulk cargo device and a driving device; the left support and the right support are fixedly arranged on the base; the inner shell is of a spherical structure, a feeding and discharging hole is formed in the inner shell, and a bin gate capable of being opened and closed is arranged at the feeding and discharging hole; the left side of the inner shell is provided with a first connecting shaft, the right side of the inner shell is provided with a second connecting shaft, and the axis connecting line of the first connecting shaft and the second connecting shaft passes through the sphere center of the inner shell; the second connecting shaft is hollow, and the first connecting shaft is rotatably arranged on the left support; the right support is L-shaped, and after being arranged on the base, the upper end of the right support penetrates through the second connecting shaft and then extends into the inner shell, and the second connecting shaft can rotate on the right support; the driving device is connected with the first connecting shaft and can drive the first connecting shaft to drive the inner shell to rotate; the bulk cargo device comprises a spherical bulk cargo plate, a right-angle commutator, a rotating shaft and a motor, wherein the right-angle commutator and the spherical bulk cargo plate are positioned in the inner shell, the spherical bulk cargo plate is arranged on the right support through the right-angle commutator, the rotating shaft is rotatably arranged on the right support, the rotating shaft is connected with the input end of the right-angle commutator, and the motor is connected with the rotating shaft; the motor rotates to drive the rotating shaft to rotate, and then the spherical bulk cargo plate is driven to rotate through the right-angle commutator; a plurality of irregularly arranged scattering columns are arranged on the spherical scattering plate; the heating device is arranged below the right support in the inner shell; a plurality of pushing plates are arranged on one side of the inner wall of the inner shell, which is opposite to the feeding and discharging openings.

In the prior art 1, although the heating device arranged below the right support of the inner shell is used for heating the air in the inner shell, the heating device in the prior art 1 is arranged below the right support of the inner shell, the position of the heating device is fixed, the air in the inner shell cannot be circularly heated in all directions, the heating efficiency of the heating device is low, the time required for heating the potassium permanganate raw material to achieve the drying effect is long, and the drying effect on the potassium perchlorate raw material is poor; and be provided with the business turn over mouth on the inner shell among the prior art 1, but after the inner shell stopped rotating, need the staff to adjust the position of business turn over mouth, make business turn over mouth adjust to appointed position reinforced or ejection of compact, but have the staff to adjust the problem of business turn over mouth position in the prior art, inconvenient operation.

Disclosure of Invention

The utility model aims to provide a drying structure for potassium perchlorate production, which can effectively improve the heating efficiency of air in an inner shell and the drying effect of potassium perchlorate through an outer shell which is concentrically arranged with the inner shell and is connected with a heating device in actual use, and can conveniently and accurately realize the positioning of a material port through a hand wheel fixedly connected to the surface of the outer shell.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a drying structure for potassium perchlorate production comprises a base, a dryer main body, a driving mechanism, a left bracket, a right bracket and a heating device, wherein the dryer main body is arranged on the base through the left bracket and the right bracket;

the main body of the dryer mainly comprises an inner shell, an outer shell, a rotating shaft and a supporting shaft, wherein the supporting shaft is fixedly connected to the right bracket; the inner shell and the outer shell are of spherical cavity structures, and the axis connecting line of the supporting shaft and the rotating shaft passes through the sphere center of the inner shell; the inner shell is concentrically arranged inside the outer shell, and a plurality of connecting columns are fixedly connected between the inner shell and the outer shell; the rotating shaft is fixedly connected to the left side of the shell, and the driving device is used for driving the rotating shaft to rotate; the support shaft is provided with a first bearing and is rotationally connected with the shell through the first bearing; the outer shell is provided with a material opening which is communicated with the inner shell;

an air inlet channel is arranged in the support shaft, an air inlet port of the air inlet channel is connected with an air pipe, a heating gap is formed between the inner shell and the outer shell, the air inlet channel is communicated with the heating gap, and the air pipe is connected with the heating device; an exhaust channel is arranged in the rotating shaft, and the heating gap is communicated with the outside through the exhaust channel; the surface of the shell is fixedly connected with a hand wheel, and the rotating shaft is rotationally connected with the left bracket through a second bearing arranged in the left bracket.

The left bracket is provided with a pin hole, the hand wheel is provided with a first positioning hole and a second positioning hole, and the circle center of the hand wheel is positioned on the circle center connecting line of the first positioning hole and the second positioning hole; a positioning pin which penetrates through the pin hole and is matched with the positioning hole is arranged in the pin hole.

Further optimized, the pin hole is a stepped hole, the positioning pin is provided with a limiting part, the positioning pin is sleeved with a spring, one end of the spring is contacted with the limiting part, and the other end of the spring is contacted with a stepped surface on the stepped hole; the locating pin is provided with the fixture block on the first locating hole or second locating hole complex one end, is provided with on the hand wheel with fixture block complex square opening.

The inner shell is internally provided with a spherical bulk cargo plate and a right-angle commutator, the supporting shaft is internally provided with a second rotating shaft, the second rotating shaft is rotatably arranged on the supporting shaft, one end of the second rotating shaft is positioned at the outer side of the supporting shaft, and one end of the second rotating shaft positioned at the outer side of the supporting shaft is connected with a first motor; the spherical bulk cargo plate is connected with the supporting shaft through the right-angle commutator, and the second rotating shaft is connected with the input end of the right-angle commutator.

Further optimized, the spherical bulk cargo plate is provided with a plurality of irregularly arranged bulk cargo columns.

Wherein, be located the inside back shaft below of inner shell and be provided with the hot plate.

Further optimizing, the inner wall of the inner shell is obliquely provided with a stacking plate.

Wherein, the windrow plate sets up in the relative one side of feed opening, and windrow plate and inner shell inner wall form the silo.

Further preferably, a sealing gasket is arranged between the support shaft and the housing.

Wherein, be provided with the useless mouth of a river that communicates with the heating clearance on the shell.

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

in the utility model, the main body of the dryer mainly comprises an inner shell, an outer shell, a rotating shaft and a supporting shaft; the rotating shaft is fixedly connected to the left side of the outer shell, the supporting shaft is rotatably connected to the right side of the outer shell through a first bearing, and a connecting line of the supporting shaft and the shaft center of the rotating shaft passes through the spherical center of the inner shell; the support shaft is fixedly connected with the right bracket, and the rotating shaft is rotationally connected with the left bracket through a second bearing; an air inlet channel is arranged in the support shaft, an air inlet port of the air inlet channel is connected with an air pipe, the air inlet channel is communicated with the shell, and the air pipe is connected with the heating device; when the potassium perchlorate in the inner shell needs to be dried, the rotating shaft is driven by the driving device to rotate; the inner shell which is concentrically arranged with the outer shell and fixedly connected with the outer shell through the connecting column synchronously rotates with the outer shell under the drive of the driving device, so that large and agglomerated potassium perchlorate in the inner shell is turned and broken in the inner shell; at the moment, the heating device inputs a heating medium into the outer shell through the gas pipe and the gas inlet channel communicated with the outer shell, so that the inner shell is uniformly heated, the air in the inner shell is quickly warmed, and the potassium perchlorate is quickly dried; the cooled steam is discharged through an exhaust passage which is arranged in the rotating shaft and communicated with the outside. The surface of the shell is fixedly connected with a hand wheel; when the operation of feeding and discharging is needed, a worker only needs to rotate the hand wheel to quickly and accurately adjust the material opening to the designated position. According to the utility model, the shell which is arranged concentrically with the inner shell and is connected with the heating device can effectively improve the heating efficiency of air in the inner shell and the drying effect of potassium perchlorate, and the hand wheel which is fixedly connected to the surface of the shell can conveniently and accurately realize the positioning of the material port.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an enlarged view of a portion of fig. 1 a in accordance with the present utility model.

Fig. 3 is a partial enlarged view of the present utility model at B in fig. 1.

Fig. 4 is a view showing a state of use of the positioning pin of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

the device comprises a 1-dryer main body, a 2-heating device, a 3-right bracket, a 4-base, a 5-left bracket, a 6-driving mechanism, a 7-material opening, an 8-hand wheel, a 9-waste water opening, a 101-inner shell, a 102-outer shell, a 103-rotating shaft, a 104-supporting shaft, a 105-first bearing, a 106-second bearing, a 201-air inlet channel, a 202-air pipe, a 203-air outlet channel, a 801-pin hole, a 802-first positioning hole, a 803-limiting part, a 804-spring, a 805-clamping block, a 806-second positioning hole, a 807-positioning pin, a 301-spherical bulk board, a 302-right angle commutator, a 303-second rotating shaft, a 304-bulk column, a 305-heating plate and a 306-stacking board.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the embodiments of the present utility model and to simplify the description, rather than to indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In embodiments of the utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present utility model. Furthermore, embodiments of the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Example 1

Referring to fig. 1 to 3, the present embodiment discloses a drying structure for potassium perchlorate production, comprising a base 4, a dryer body 1, a driving mechanism 6, a left bracket 5, a right bracket 3 and a heating device 2, wherein the dryer body 1 is mounted on the base 4 through the left bracket 5 and the right bracket 3;

the dryer main body 1 mainly comprises an inner shell 101, an outer shell 102, a rotating shaft 103 and a supporting shaft 104, wherein the supporting shaft 104 is fixedly connected to the right bracket 3; the inner shell 101 and the outer shell 102 are of spherical cavity structures, and the axis connecting line of the supporting shaft 104 and the rotating shaft 103 passes through the sphere center of the inner shell 101; the inner shell 101 is concentrically arranged inside the outer shell 102, and a plurality of connecting columns are fixedly connected between the inner shell 101 and the outer shell 102; the rotating shaft 103 is fixedly connected to the left side of the shell 102, and the driving device is used for driving the rotating shaft 103 to rotate; the support shaft 104 is provided with a first bearing 105, and the support shaft 104 is rotatably connected with the shell 102 through the first bearing 105; the outer shell 102 is provided with a material opening 7, and the material opening 7 is communicated with the inner shell 101;

an air inlet channel 201 is arranged in the support shaft 104, an air inlet port of the air inlet channel 201 is connected with an air pipe 202, a heating gap is formed between the inner shell 101 and the outer shell 102, the air inlet channel 201 is communicated with the heating gap, and the air pipe 202 is connected with the heating device 2; an exhaust channel 203 is arranged in the rotating shaft 103, and the heating gap is communicated with the outside through the exhaust channel 203; the surface of the shell 102 is fixedly connected with a hand wheel 8, and the rotating shaft 103 is rotatably connected with the left bracket 5 through a second bearing 106 arranged in the left bracket 5.

In the utility model, the dryer main body 1 mainly comprises an inner shell 101, an outer shell 102, a rotating shaft 103 and a supporting shaft 104; the rotating shaft 103 is fixedly connected to the left side of the outer shell 102, the supporting shaft 104 is rotatably connected to the right side of the outer shell 102 through the first bearing 105, and a connecting line of the supporting shaft 104 and the axis of the rotating shaft 103 passes through the sphere center of the inner shell 101; the support shaft 104 is fixedly connected with the right bracket 3, and the rotating shaft 103 is rotatably connected with the left bracket 5 through a second bearing 106; an air inlet channel 201 is arranged in the support shaft 104, an air inlet port of the air inlet channel 201 is connected with an air pipe 202, the air inlet channel 201 is communicated with the shell 102, and the air pipe 202 is connected with the heating device 2; when the potassium perchlorate in the inner shell 101 needs to be dried, the rotating shaft 103 is driven by the driving device to rotate; the inner shell 101 which is concentrically arranged with the outer shell 102 and fixedly connected with the outer shell 102 through the connecting column synchronously rotates with the outer shell 102 under the drive of the driving device, so that large and agglomerated potassium perchlorate in the inner shell 101 is turned and broken in the inner shell 101; at this time, the heating device 2 inputs a heating medium into the outer shell 102 through the air pipe 202 and the air inlet channel 201 communicated with the outer shell 102, so as to uniformly heat the inner shell 101, quickly heat the air in the inner shell 101, and quickly dry the potassium perchlorate; the cooled steam is discharged through an exhaust passage 203 provided inside the rotation shaft 103 and communicating with the outside. The hand wheel 8 is fixedly connected to the surface of the shell 102; when the operations of feeding and discharging are needed, a worker can quickly and accurately adjust the material opening 7 to a designated position only by rotating the hand wheel 8. According to the utility model, the outer shell 102 which is concentrically arranged with the inner shell 101 and is connected with the heating device 2 can effectively improve the heating efficiency of air in the inner shell 101 and the drying effect of potassium perchlorate, and the hand wheel 8 which is fixedly connected to the surface of the outer shell 102 is arranged, so that the position of the discharge hole 7 is more convenient and accurate.

Wherein the housing 102 is provided with a waste water port 9 communicating with the heating gap. The heating medium input into the housing 102 through the air pipe 202 and the air inlet channel 201 by the heating device 2 may be hot steam, or may be other heating medium such as heat conducting oil, hot water, etc. In this embodiment, the heating medium is hot steam. By providing the waste water port 9 communicating with the outer housing 102 in the outer housing 102, the heating medium remaining between the inner housing 101 and the outer housing 102 after the heating of the inner housing 101 is completed, or the liquid formed after the cooling and condensing of the hot steam can be discharged from the waste water port 9 for cleaning.

Further preferably, a sealing gasket is arranged between the support shaft 104 and the housing 102 to prevent leakage of the heating medium from a gap formed after the support shaft 104 and the housing 102 are rotationally connected.

The driving device may be a belt driving device or a sprocket chain driving device, and the driving device in this embodiment is a belt driving device.

Example two

1-3, the first embodiment is further optimized based on the first embodiment, a pin hole 801 is arranged on the left bracket 5, a first positioning hole 802 and a second positioning hole 806 are arranged on the hand wheel 8, and the center of the hand wheel 8 is located on the connecting line of the centers of the first positioning hole 802 and the second positioning hole 806; a positioning pin 807 is installed in the pin hole 801 to pass through the pin hole 801 and match with the positioning hole. When the positioning pin 807 passes through the pin hole 801 and is matched and locked with the first positioning hole 802, the material port 7 is positioned at the feeding position, and when the positioning pin 807 passes through the pin hole 801 and is matched and locked with the second positioning hole 806, the material port 7 is positioned at the discharging position; by the positioning pins 807 which pass through the pin holes 801 and lock and fix the first and second positioning holes 806, the position of the material port 7 is not changed when the material port 7 is charged and discharged; the potassium perchlorate is convenient for workers to load and take.

Wherein, the pin hole 801 is a stepped hole, a limit part 803 is arranged on the positioning pin 807, a spring 804 is sleeved on the positioning pin 807, one end of the spring 804 is contacted with the limit part 803, and the other end is contacted with a stepped surface on the stepped hole; a fixture block 805 is arranged at one end of the positioning pin 807, which is matched with the first positioning hole 802 or the second positioning hole 806, and a square opening matched with the fixture block 805 is arranged on the hand wheel 8. When the first positioning hole 806 and the second positioning hole 806 passing through the positioning pin 807 need to be locked quickly, only the end parts of the positioning pin 807 far away from the first positioning hole 806 and the second positioning hole 806 need to be pressed, and the limiting part 803 and the step face the limiting part of the spring 804 to compress the spring 804 sleeved on the positioning pin 807; at this time, the fixture block 805 passes through the square opening and then rotates the positioning pin 807, after the fixture block 805 moves to the opposite side of the square opening, the bottom surface of the fixture block 805 contacts with the surface of the hand wheel 8, and the positioning pin 807 limits and locks the hand wheel 8 through the fixture block 805; when the locking of the positioning pin 807 to the hand wheel 8 needs to be released, the positioning pin 807 only needs to rotate the fixture block 805 to the position corresponding to the square opening, and the positioning pin 807 will spring out from the first positioning hole 806 and the second positioning hole 806 under the action of the elastic deformation resistance of the spring 804, so as to realize the rapid locking and releasing of the positioning pin 807 to the hand wheel 8.

Further optimized, a spherical bulk cargo plate 301 and a right-angle commutator 302 are arranged in the inner shell 101, a second rotating shaft 303 is arranged in the support shaft 104, the second rotating shaft 303 is rotatably arranged on the support shaft 104, one end of the second rotating shaft 303 is positioned on the outer side of the support shaft 104, and one end of the second rotating shaft 303 positioned on the outer side of the support shaft 104 is connected with a first motor; the spherical bulk material plate 301 is connected with the support shaft 104 through the right angle commutator 302, and the second rotating shaft 303 is connected with the input end of the right angle commutator 302. When the first motor drives the second rotating shaft 303 to rotate, the spherical bulk cargo plate 301 rotates around the axis vertical to the second rotating shaft 303 under the action of the right-angle commutator 302; after the material at the bottom of the inner shell 101 rises to the highest position of the inner shell 101 along with the rotation of the inner shell 101, the material falls on the spherical bulk material plate 301 under the action of gravity and then is dispersed, and the agglomerated potassium perchlorate flies out to the periphery of the inner shell 101 under the action of the centrifugal force generated by the rotating spherical bulk material plate 301 and then falls back to the bottom, and the agglomerated potassium perchlorate is stirred by breaking, so that the potassium perchlorate can be thoroughly dried.

Wherein, the spherical bulk cargo plate 301 is provided with a plurality of irregularly arranged bulk cargo columns 304. When the agglomerated potassium perchlorate falls onto the spherical feeding plate, the bulk column 304 provided on the spherical bulk plate 301 can further enhance the crushing effect of the agglomerated potassium perchlorate.

Further preferably, a heating plate 305 is provided below the support shaft 104 inside the inner housing 101. By providing the heating plate 305, double heating of the air in the inner case 101 can be achieved, and drying efficiency of potassium perchlorate can be improved.

Wherein, the inner wall of the inner shell 101 is obliquely provided with a stacker plate 306. The stacker plate 306 may move more potassium perchlorate material as the inner shell 101 rotates.

Further preferably, the stacking plate 306 is disposed on the opposite side of the material opening 7, and the stacking plate 306 and the inner wall of the inner casing 101 form a material groove. The piling plate 306 is arranged on the opposite side of the material opening 7, so that the purpose of transferring materials can be realized, and the discharging is prevented from being blocked during discharging, so that the discharging is smoother.

Example III

Referring to fig. 1, the present embodiment is basically the same as the second embodiment except that in the present embodiment, a rotary joint is installed at one end of the exhaust passage 203 communicating with the outside; one end of the rotary joint is connected with the exhaust channel 203, and the other end is connected with a circulating pipeline; the exhaust passage 203 is connected with the heating device 2 through a circulation pipe; through setting up circulation pipeline, can realize the reuse to heating medium, reduce the waste of resource.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A drying structure for potassium perchlorate production, comprising a base (4), characterized in that: the drying machine also comprises a drying machine main body (1), a driving device (6), a left bracket (5), a right bracket (3) and a heating device (2), wherein the drying machine main body (1) is arranged on the base (4) through the left bracket (5) and the right bracket (3);

the dryer main body (1) mainly comprises an inner shell (101), an outer shell (102), a rotating shaft (103) and a supporting shaft (104), wherein the supporting shaft (104) is fixedly connected to the right bracket (3); the inner shell (101) and the outer shell (102) are of spherical cavity structures, and a connecting line of the axle center of the supporting axle (104) and the rotating axle (103) passes through the spherical center of the inner shell (101); the inner shell (101) is concentrically arranged inside the outer shell (102), and a plurality of connecting columns are fixedly connected between the inner shell (101) and the outer shell (102); the rotating shaft (103) is fixedly connected to the left side of the shell (102), and the driving device (6) is used for driving the rotating shaft (103) to rotate; the support shaft (104) is provided with a first bearing (105), and the support shaft (104) is rotationally connected with the shell (102) through the first bearing (105); the outer shell (102) is provided with a material opening (7), and the material opening (7) is communicated with the inner shell (101);

an air inlet channel (201) is arranged in the support shaft (104), an air inlet port of the air inlet channel (201) is connected with an air pipe (202), a heating gap is formed between the inner shell (101) and the outer shell (102), the air inlet channel (201) is communicated with the heating gap, and the air pipe (202) is connected with the heating device (2); an exhaust channel (203) is arranged in the rotating shaft (103), and the heating gap is communicated with the outside through the exhaust channel (203); the surface of the shell (102) is fixedly connected with a hand wheel (8), and the rotating shaft (103) is rotatably connected with the left bracket (5) through a second bearing (106) arranged in the left bracket (5).

2. A dry construction for potassium perchlorate production according to claim 1, characterized in that: a pin hole (801) is formed in the left bracket (5), a first positioning hole (802) and a second positioning hole (806) are formed in the hand wheel (8), and the circle center of the hand wheel (8) is located on the circle center connecting line of the first positioning hole (802) and the second positioning hole (806); a positioning pin (807) which passes through the pin hole (801) and is matched with the positioning hole is arranged in the pin hole (801).

3. A dry construction for potassium perchlorate production according to claim 2, characterized in that: the pin hole (801) is a stepped hole, the positioning pin (807) is provided with a limiting part (803), the positioning pin (807) is sleeved with a spring (804), one end of the spring (804) is contacted with the limiting part (803), and the other end is contacted with a stepped surface on the stepped hole; one end of the positioning pin (807) matched with the first positioning hole (802) or the second positioning hole (806) is provided with a clamping block (805), and the hand wheel (8) is provided with a square opening matched with the clamping block (805).

4. A dry construction for potassium perchlorate production according to claim 1, characterized in that: a spherical bulk cargo plate (301) and a right-angle commutator (302) are arranged in the inner shell (101), a second rotating shaft (303) is arranged in the supporting shaft (104), the second rotating shaft (303) is rotatably arranged on the supporting shaft (104), one end of the second rotating shaft (303) is positioned at the outer side of the supporting shaft (104), and one end of the second rotating shaft (303) positioned at the outer side of the supporting shaft (104) is connected with a first motor; the spherical bulk cargo plate (301) is connected with the supporting shaft (104) through the right-angle commutator (302), and the second rotating shaft (303) is connected with the input end of the right-angle commutator (302).

5. A dry construction for potassium perchlorate production according to claim 4, wherein: a plurality of irregularly arranged scattering columns (304) are arranged on the spherical scattering plate (301).

6. A dry construction for potassium perchlorate production according to claim 1, characterized in that: a heating plate (305) is arranged below the supporting shaft (104) in the inner shell (101).

7. A dry construction for potassium perchlorate production according to claim 1, characterized in that: a stacking plate (306) is obliquely arranged on the inner wall of the inner shell (101).

8. A dry construction for potassium perchlorate production according to claim 7, wherein: the stacking plate (306) is arranged on one side opposite to the material opening (7), and the stacking plate (306) and the inner wall of the inner shell (101) form a material groove.

9. A dry construction for potassium perchlorate production according to claim 1, characterized in that: a sealing gasket is arranged between the support shaft (104) and the shell (102).

10. A dry construction for potassium perchlorate production according to claim 1, characterized in that: the shell (102) is provided with a waste water port (9) communicated with the heating gap.