A device for producing selenium dioxide

Abstract

The utility model is suitable for the technical field of selenium dioxide production, provides a kind of production device of selenium dioxide, including shell;Fixedly connected in the discharge pipe of the middle position of shell bottom end, the lower end of the front of shell is fixedly connected with air inlet pipe, the upper end of the other side of shell is fixedly connected with exhaust pipe, the middle position of the top of shell is fixedly connected with feed hopper;The inside of shell is extended to by shaft coupling fixedly connected with communicating pipe with the output end of speed reducer, the surface of communicating pipe is fixedly connected with exhaust hole at equal angle and equal interval, fixed cavity being arranged in the lower end of the inside of shell, the inner wall of fixed cavity is fixedly connected with heating strip at equal angle.The production device of selenium dioxide provided in the scheme utilizes shielding component, so that when conveying oxygen, shielding disc sliding opens exhaust hole and discharges oxygen, and when not conveying, shielding disc sliding completely shields exhaust hole, to avoid that material inadvertently enters the inside of exhaust hole and causes blockage.

Description

Technical Field

[0001] This utility model belongs to the field of selenium dioxide production technology, and in particular relates to a selenium dioxide production device. Background Technology

[0002] Selenium dioxide, as an important chemical raw material, is widely used in electrolytic manganese, chemical reagents, catalysts and fine chemicals. In its production process, the raw material selenium powder is usually put into an oxidation furnace first, then the oxidation furnace is heated to the reaction temperature, and oxygen is introduced to react with the selenium powder to obtain selenium dioxide.

[0003] Chinese patent CN222795175U discloses a selenium dioxide production device, which includes: a reactor, a feeding mechanism, a mounting shaft, rake rods, a discharge net, a drive mechanism, an oxygen supply mechanism, and an exhaust pipe. The feeding mechanism is located above the reactor, and its discharge end is connected to the reactor. The mounting shaft is located inside the reactor, with one end rotatably connected to the inner wall of the reactor. Multiple rake rods are provided, each connected to the mounting shaft via two connecting rods. The drive mechanism of this invention rotates the rake rods and the discharge net together, rakes up the selenium powder accumulated at the bottom of the reactor. After being raken up, the selenium powder is blocked and buffered by the discharge net and falls back to the bottom of the reactor. During the fall, the selenium powder comes into contact with oxygen, greatly increasing the contact area and contact time between the selenium powder and oxygen, accelerating the reaction process, and improving production efficiency.

[0004] However, in the above scheme, the air distribution holes may be blocked by materials during actual use, which will prevent oxygen from being discharged quickly from some holes, reduce the oxygen supply, and cause inconvenience to the selenium dioxide reaction. Therefore, it is necessary to design a selenium dioxide production device. Utility Model Content

[0005] This invention provides a selenium dioxide production device, which aims to solve the problem that some currently used production devices are inconvenient to shield and prevent blockage.

[0006] This utility model is implemented as follows: a selenium dioxide production device includes a housing; a discharge pipe fixedly connected to the middle position of the bottom end of the housing; an air inlet pipe fixedly connected to the lower end of the front side of the housing; a controller fixedly connected to the upper end of one side of the front side of the housing; an exhaust pipe fixedly connected to the upper end of the other side of the housing; a feed hopper fixedly connected to the middle position of the top end of the housing; a temperature sensor fixedly connected to the top end of the housing on one side of the feed hopper; and a reduction motor fixedly connected to the lower end of the back side of the housing, the output end of which extends into the interior of the housing and is fixedly connected to a connecting pipe via a coupling. One end of the connecting pipe is rotatably connected to one end of the air inlet pipe. Exhaust holes are fixedly connected to the surface of the connecting pipe at equal angles and intervals. Connecting rods are fixedly connected to both sides of the surface of the connecting pipe at equal angles. A connecting plate is fixedly connected to one end of each connecting rod, and a flipping plate is provided at one end of the connecting plate. A fixed cavity is formed at the lower end of the housing, and heating strips are fixedly connected to the inner wall of the fixed cavity at equal angles. A shielding assembly is mounted on the exhaust holes to shield and protect them. An installation assembly is mounted on the flipping plate and the connecting plate to enable the sliding and disassembly of the flipping plate.

[0007] Preferably, the shielding assembly includes: a fixing groove symmetrically formed on the surface of the connecting pipe, a sliding rod slidably connected inside the fixing groove, one end of the sliding rod extending to the outside of the fixing groove and fixedly connected to a shielding disc; and a fixing spring wound around the surface of the sliding rod, the two ends of the fixing spring being fixedly connected to one end of the sliding rod and the inner wall of the fixing groove, respectively.

[0008] Preferably, the end of the shielding plate away from the exhaust port is frustum-shaped, and the cross-sectional area of ​​the other end of the shielding plate is larger than the cross-sectional area of ​​the exhaust port.

[0009] Preferably, one end of the shielding plate has a groove, and the groove is bowl-shaped.

[0010] Preferably, the inner wall of the fixing groove is symmetrically provided with sliding grooves, and the two sides of one end of the sliding rod are fixedly connected with sliders that slide in cooperation with the inside of the sliding groove.

[0011] Preferably, the mounting assembly includes: a slot formed at one end of the connecting plate, an mounting groove formed at one end inside the connecting plate, a sliding block movably connected inside the mounting groove, an mounting block extending into the slot being fixedly connected at one end of the sliding block, and a pull rod extending out of the mounting groove being fixedly connected at the other end of the sliding block; a mounting spring wound around the surface of the pull rod, with both ends of the mounting spring being fixedly connected to the inner wall of the mounting groove at one end of the sliding block; and a clamping plate fixedly connected to one end of the flipping plate, with a mounting hole formed at one end of the clamping plate, the interior of the mounting hole engaging with one end of the mounting block.

[0012] Preferably, the card plate and the card slot form a sliding engagement structure, and the card plate and the card slot are convex in shape.

[0013] Preferably, the sliding block and the interior of the mounting groove form a sliding structure, and the sliding block and the mounting groove are cross-shaped.

[0014] Preferably, a fixing plate is fixedly connected to one end of the flipping plate, and one end of the fixing plate is arc-shaped.

[0015] Compared with related technologies, the selenium dioxide production apparatus provided by this utility model has the following beneficial effects: 1. Oxygen is delivered to the connecting pipe through the inlet pipe. At the same time, the air pressure is greater than the elastic force of the fixed spring, which causes the baffle plate to slide. The oxygen is then discharged through the gap between the baffle plate and the exhaust port. The gas discharged here can also blow away the material around the exhaust port. When the oxygen supply stops, the elastic force of the fixed spring can be used to make the baffle plate slide to completely block the exhaust port, preventing material from entering the exhaust port and causing blockage, thus improving its practicality.

[0016] 2. By utilizing the sliding engagement between the card plate and the inside of the card slot, and the elastic force of the installation spring, the mounting block slides into the mounting hole, enabling quick sliding and disassembly between the flipping plate and the connecting plate. This facilitates the disassembly of the flipping plate for cleaning or replacement, reducing maintenance difficulty. Attached Figure Description

[0017] Figure 1 This is a front view cross-sectional structural diagram of the present invention; Figure 2 This is a front view structural diagram of the present utility model; Figure 3 This is a schematic diagram of the rear-view structure of this utility model; Figure 4 This is a partial exploded cross-sectional view of the tipping plate and connecting pipe of this utility model. Figure 5 For the present utility model Figure 4 Enlarged structural diagram at point A in the middle; Figure 6 For the present utility model Figure 4 Enlarged structural diagram at point B.

[0018] In the diagram: 1. Feed hopper; 2. Shell; 3. Fixing plate; 4. Tilting plate; 5. Heating strip; 6. Fixing cavity; 7. Discharge pipe; 8. Connecting rod; 9. Connecting pipe; 10. Exhaust pipe; 11. Temperature sensor; 12. Controller; 13. Air inlet pipe; 14. Gear motor; 15. Mounting assembly; 1501. Mounting spring; 1502. Sliding block; 1503. Mounting block; 1504. Clamping plate; 1505. Mounting hole; 1506. Clamping groove; 1507. Mounting slot; 1508. Pull rod; 16. Blocking assembly; 1601. Slider; 1602. Blocking plate; 1603. Groove; 1604. Fixing spring; 1605. Sliding rod; 1606. Fixing slot; 1607. Sliding groove; 17. Connecting plate; 18. Exhaust hole. Detailed Implementation

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0020] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0021] Example 1 A preferred embodiment of the selenium dioxide production apparatus provided by this utility model is, for example... Figures 1 to 6As shown: A selenium dioxide production apparatus includes a housing 2; a discharge pipe 7 fixedly connected to the middle of the bottom end of the housing 2; an air inlet pipe 13 fixedly connected to the lower end of the front side of the housing 2; a controller 12 fixedly connected to the upper end of one side of the front side of the housing 2; an exhaust pipe 10 fixedly connected to the upper end of the other side of the housing 2; a feed hopper 1 fixedly connected to the middle of the top end of the housing 2; a temperature sensor 11 fixedly connected to the top end of the housing 2 on one side of the feed hopper 1; a reduction motor 14 fixedly connected to the lower end of the back side of the housing 2; the output end of the reduction motor 14 extends into the interior of the housing 2 and is fixedly connected to a connecting pipe 9 via a coupling; one end of the connecting pipe 9 is connected to... One end of the intake pipe 13 is rotatably connected, and exhaust holes 18 are fixedly connected to the surface of the connecting pipe 9 at equal angles and intervals. Connecting rods 8 are fixedly connected to both sides of the surface of the connecting pipe 9 at equal angles. One end of the connecting rod 8 is fixedly connected to a connecting plate 17, and one end of the connecting plate 17 is provided with a flipping plate 4. A fixing cavity 6 is opened at the lower end of the housing 2. Heating strips 5 are fixedly connected to the inner wall of the fixing cavity 6 at equal angles. A shielding assembly 16 is assembled on the exhaust hole 18. The shielding assembly 16 is used to shield and protect the exhaust hole 18. An installation assembly 15 is assembled on the flipping plate 4 and the connecting plate 17. The installation assembly 15 is used to realize the sliding and disassembly of the flipping plate 4.

[0022] It should be noted that some existing selenium dioxide production devices still have certain shortcomings in actual use. During actual use, the gas distribution holes may be blocked by materials, which will prevent oxygen from being discharged quickly from some holes, reduce the oxygen supply, and cause inconvenience to the selenium dioxide reaction.

[0023] In a further preferred embodiment of the present invention, the shielding component 16 includes: a fixing groove 1606 symmetrically formed on the surface of the connecting pipe 9, a sliding rod 1605 slidably connected inside the fixing groove 1606, one end of the sliding rod 1605 extending to the outside of the fixing groove 1606 and fixedly connected to a shielding disc 1602; and a fixing spring 1604 wound around the surface of the sliding rod 1605, with both ends of the fixing spring 1604 fixedly connected to one end of the sliding rod 1605 and the inner wall of the fixing groove 1606, respectively.

[0024] In this embodiment, oxygen is delivered through the intake pipe 13 to the connecting pipe 9 and the exhaust port 18, causing the shielding plate 1602 to slide. The oxygen is then discharged through the gap between the shielding plate 1602 and the exhaust port 18. When the oxygen delivery stops, the elastic force of the fixed spring 1604 can be used to make the shielding plate 1602 slide to completely block and protect the exhaust port 18.

[0025] In a further preferred embodiment of the present invention, the end of the shielding plate 1602 away from the exhaust port 18 is frustoconical, and the cross-sectional area of ​​the other end of the shielding plate 1602 is larger than the cross-sectional area of ​​the exhaust port 18.

[0026] In this embodiment, the use of a shielding disk 1602 with one end in the shape of a frustum can reduce the amount of material residue on one end of the surface of the shielding disk 1602.

[0027] In a further preferred embodiment of the present invention, a groove 1603 is provided at one end of the shielding plate 1602, and the groove 1603 is bowl-shaped.

[0028] In this embodiment, the bowl-shaped groove 1603 makes it easier for the gas to apply thrust to the shielding plate 1602, which facilitates the sliding of the shielding plate 1602.

[0029] In a further preferred embodiment of the present invention, the inner wall of the fixing groove 1606 is symmetrically provided with sliding grooves 1607, and the two sides of one end of the sliding rod 1605 are fixedly connected with sliders 1601 that slide and cooperate with the inside of the sliding groove 1607.

[0030] In this embodiment, the smoothness of sliding of the slide rod 1605 is improved by utilizing the sliding of the slider 1601 and the inside of the slide groove 1607.

[0031] Example 2 Based on Example 1, a preferred embodiment of the selenium dioxide production apparatus provided by this invention is as follows: Figures 1 to 6 As shown: The mounting assembly 15 includes: a slot 1506 formed at one end of the connecting plate 17; a mounting groove 1507 formed at one end of the connecting plate 17; a sliding block 1502 movably connected inside the mounting groove 1507; a mounting block 1503 extending into the slot 1506 fixedly connected at one end of the sliding block 1502; and a pull rod 1508 extending out of the mounting groove 1507 fixedly connected at the other end of the sliding block 1502; a mounting spring 1501 wound around the surface of the pull rod 1508; both ends of the mounting spring 1501 being fixedly connected to one end of the sliding block 1502 and the inner wall of the mounting groove 1507, respectively; and a locking plate 1504 fixedly connected to one end of the flipping plate 4; a mounting hole 1505 formed at one end of the locking plate 1504; and the interior of the mounting hole 1505 engaging with one end of the mounting block 1503.

[0032] In this embodiment, the sliding engagement between the card plate 1504 and the card slot 1506, and the elastic force of the mounting spring 1501, allows the mounting block 1503 to slide into the mounting hole 1505, thereby achieving rapid sliding and disassembly between the flipping plate 4 and the connecting plate 17.

[0033] In a further preferred embodiment of the present invention, a sliding engagement structure is formed between the interior of the card plate 1504 and the card slot 1506, and the shapes of the card plate 1504 and the card slot 1506 are inverted convex.

[0034] In this embodiment, the sliding engagement between the inverted convex plate 1504 and the slot 1506 improves the firmness and stability of the initial sliding installation of the flipping plate 4.

[0035] In a further preferred embodiment of the present invention, a sliding structure is formed between the sliding block 1502 and the interior of the mounting groove 1507, and the sliding block 1502 and the mounting groove 1507 are cross-shaped.

[0036] In this embodiment, the smoothness of the mounting block 1503 sliding up and down is improved by utilizing the sliding between the cross-shaped sliding block 1502 and the inside of the mounting groove 1507.

[0037] In a further preferred embodiment of this utility model, a fixing plate 3 is fixedly connected to one end of the flipping plate 4, and one end of the fixing plate 3 is arc-shaped.

[0038] In this embodiment, the arc-shaped fixing plate 3 is used to facilitate better agitation of the material on the inner wall of the shell 2.

[0039] In summary, firstly, the exhaust pipe 10 and the air inlet pipe 13 are connected to the external pipes respectively. Then, materials are added into the shell 2 through the feed hopper 1, and the heating bar 5 is activated to heat the materials inside the shell 2. At the same time, oxygen is delivered to the connecting pipe 9 through the air inlet pipe 13. Simultaneously, the air pressure causes the shielding plate 1602 to slide, driving the slide rod 1605 to slide and compress the fixing spring 1604 inside the fixing groove 1606. The oxygen is then discharged through the gap between the shielding plate 1602 and the exhaust hole 18. The gas discharged here can also blow away the materials around the exhaust hole 18. At the same time, when the oxygen supply stops, the elasticity of the fixing spring 1604 can be used to make the slide rod 1605 slide, driving the shielding plate 1602 to slide and completely block the exhaust hole 18 to prevent materials from entering the exhaust hole 18 and causing blockage. Furthermore, during the oxygen delivery process, the geared motor 14 can be started to drive the connecting pipe 9 to rotate, which in turn drives the tilting plate 4 and the fixing plate 3 to rotate through the connecting rod 8 and the connecting plate 17, stirring the material inside the shell 2 so that it can come into full contact with oxygen and react. The selenium dioxide gas after the reaction is discharged through the exhaust pipe 10. At the same time, after the material reaction is completed, the valve on the discharge pipe 7 can be opened to facilitate the discharge of the reacted material, such as unreacted elemental selenium, copper oxide and a small amount of impurity metals. Meanwhile, after opening the inspection door on the front of the housing 2, the pull rod 1508 can be pulled to drive the sliding block 1502 and the mounting block 1503 to slide upwards and compress the mounting spring 1501 until it is completely disengaged from the mounting hole 1505. Then, the flip plate 4 can be pulled to allow the clamping plate 1504 to slide out from the slot 1506, thus disassembling the flip plate 4. During installation, the pull rod 1508 is pulled first, and then the clamping plate 1504 is slid into the slot 1506. Then, the pull rod 1508 is released, and the elastic force of the mounting spring 1501 is used to allow the mounting block 1503 to slide down and lock into the mounting hole 1505, thus achieving the limiting and fixing of the clamping plate 1504 after sliding and locking into the slot 1506.

[0040] It is worth noting that the circuits, electronic components, and modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0041] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative; the division of units described above is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; the indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0042] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A selenium dioxide production apparatus, characterized in that, include: Shell (2); A discharge pipe (7) is fixedly connected to the middle position of the bottom end of the housing (2). An air inlet pipe (13) is fixedly connected to the lower end of the front side of the housing (2). A controller (12) is fixedly connected to the upper end of one side of the front side of the housing (2). An exhaust pipe (10) is fixedly connected to the upper end of the other side of the housing (2). A feed hopper (1) is fixedly connected to the middle position of the top end of the housing (2). A temperature sensor (11) is fixedly connected to the top end of the housing (2) on one side of the feed hopper (1). A geared motor (14) is fixedly connected to the lower back of the housing (2). The output end of the geared motor (14) extends into the interior of the housing (2) and is fixedly connected to a connecting pipe (9) via a coupling. One end of the connecting pipe (9) is rotatably connected to one end of the air inlet pipe (13). An exhaust hole (18) is fixedly connected to the surface of the connecting pipe (9) at equal angles and at equal intervals. A connecting rod (8) is fixedly connected to both sides of the surface of the connecting pipe (9) at equal angles. A connecting plate (17) is fixedly connected to one end of the connecting rod (8). A flipping plate (4) is provided at one end of the connecting plate (17). A fixed cavity (6) is formed at the lower end of the housing (2), and a heating strip (5) is fixedly connected to the inner wall of the fixed cavity (6) at equal angles. A shielding assembly (16) is mounted on the exhaust port (18), the shielding assembly (16) being used to shield and protect the exhaust port (18); The mounting assembly (15) is assembled on the flip plate (4) and the connecting plate (17), and the mounting assembly (15) is used to realize the sliding assembly and disassembly of the flip plate (4).

2. The selenium dioxide production apparatus as described in claim 1, characterized in that, The shielding component (16) includes; A fixing groove (1606) is symmetrically opened on the surface of the connecting pipe (9). A sliding rod (1605) is slidably connected inside the fixing groove (1606). One end of the sliding rod (1605) extends to the outside of the fixing groove (1606) and is fixedly connected to a shielding plate (1602). A fixing spring (1604) is wound around the surface of the slide rod (1605), and the two ends of the fixing spring (1604) are fixedly connected to one end of the slide rod (1605) and the inner wall of the fixing groove (1606), respectively.

3. The selenium dioxide production apparatus as described in claim 2, characterized in that, The end of the shielding plate (1602) away from the exhaust port (18) is truncated cone-shaped, and the cross-sectional area of ​​the other end of the shielding plate (1602) is larger than the cross-sectional area of ​​the exhaust port (18).

4. The selenium dioxide production apparatus as described in claim 2, characterized in that, The shielding plate (1602) has a groove (1603) at one end, and the groove (1603) is bowl-shaped.

5. The selenium dioxide production apparatus as described in claim 2, characterized in that, The inner wall of the fixed groove (1606) is symmetrically provided with sliding grooves (1607), and the two sides of one end of the sliding rod (1605) are fixedly connected with sliders (1601) that slide in cooperation with the inside of the sliding groove (1607).

6. The selenium dioxide production apparatus as described in claim 1, characterized in that, The installation component (15) includes: A slot (1506) is formed at one end of the connecting plate (17), and an installation slot (1507) is formed at one end of the connecting plate (17). A sliding block (1502) is movably connected inside the installation slot (1507). An installation block (1503) extending into the slot (1506) is fixedly connected at one end of the sliding block (1502), and a pull rod (1508) extending into the outside of the installation slot (1507) is fixedly connected at the other end of the sliding block (1502). A mounting spring (1501) is wound around the surface of the pull rod (1508), and both ends of the mounting spring (1501) are fixedly connected to the inner wall of the mounting groove (1507) at one end of the sliding block (1502); A clamping plate (1504) is fixedly connected to one end of the flipping plate (4). One end of the clamping plate (1504) is provided with a mounting hole (1505). The interior of the mounting hole (1505) is engaged with one end of the mounting block (1503).

7. The selenium dioxide production apparatus as described in claim 6, characterized in that, The card plate (1504) and the card slot (1506) form a sliding engagement structure, and the card plate (1504) and the card slot (1506) are convex in shape.

8. The selenium dioxide production apparatus as described in claim 6, characterized in that, The sliding block (1502) and the interior of the mounting groove (1507) form a sliding structure, and the sliding block (1502) and the mounting groove (1507) are cross-shaped.

9. The selenium dioxide production apparatus as described in claim 1, characterized in that, One end of the flipping plate (4) is fixedly connected to a fixing plate (3), and one end of the fixing plate (3) is arc-shaped.

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