Bag dust collector for collecting molybdenum dioxide powder
Through the design of the bag dust collection device and the combination of the axial flow fan and the pulse jet assembly, the rapid collection of molybdenum dioxide powder is achieved, which solves the problems of low efficiency and scattering loss in the existing technology and improves the continuity of the process and the collection efficiency.
Patent Information
- Application Number
- CN202423059787.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-12-12
AI Technical Summary
In the prior art, the collection efficiency of molybdenum dioxide powder is low, and it is easy to scatter and lose during the transfer process, resulting in poor process continuity.
A bag dust collection device was designed, which included a placement trough, a bag dust collector, an axial flow fan, a pulse jet assembly, and a vertical adjustment assembly. The negative pressure of the axial flow fan and the high-pressure nitrogen impact of the pulse jet assembly were used to quickly collect molybdenum dioxide particles. The gaps between the filter cloth fibers were used to separate large particles, and reverse jet air washing was used to clear and discharge the particles.
The rapid and effective collection of molybdenum dioxide powder is achieved, the continuity of the process is improved, the scattering loss is reduced, and the collection efficiency is improved.
Smart Images
Figure CN223299717U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of molybdenum dioxide preparation, in particular to a bag dust collecting device for collecting molybdenum dioxide powder. Background Art
[0002] Molybdenum trioxide can be reduced to molybdenum dioxide through a variety of methods. The commonly used hydrogen reduction method involves reacting molybdenum trioxide with hydrogen at high temperatures to produce molybdenum dioxide. The specific steps are to place molybdenum trioxide powder in a boat and conduct a reduction reaction in a multi-tube furnace. After the reaction, the boat is removed and allowed to stand for the molybdenum dioxide particles to cool, after which they are poured into a vibrating screen for screening. This long waiting time results in poor process continuity, and powder transfer is prone to scattering and loss, resulting in low efficiency in molybdenum dioxide powder collection. In view of this, in-depth research on the above issues led to the creation of this case. Utility Model Content
[0003] In view of the deficiencies in the prior art, the utility model provides a bag dust collecting device for collecting molybdenum dioxide powder, which solves the problems raised in the background technology.
[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a bag dust collecting device for collecting molybdenum dioxide powder, comprising a placement trough and a bag dust collector, the placement trough being arranged on an operating table, a cover shell being arranged above the placement trough, a conical connector being arranged on the top of the cover shell, a telescopic gooseneck being installed on the top of the conical connector, an axial flow fan being connected to one end of the telescopic gooseneck, the air outlet end of the axial flow fan being connected to the air inlet of the bag dust collector, a discharge valve being provided at the lower part of the silo of the bag dust collector, a stand being provided on one side of the placement trough, a vertical adjustment component being provided on the top of the stand, the movable end of the vertical adjustment component being connected to the cover shell, a pulse jet component being installed on the side wall of the conical connector, and one end of the pulse jet component being connected to the outlet safety valve of the high-pressure nitrogen storage tank through an air injection pipe.
[0005] The above-mentioned vertical adjustment assembly includes a cylinder, a guide member and a movable seat. The cylinder is arranged on the stand in the vertical direction, the guide member is symmetrically arranged on both sides of the cylinder, the movable seat is arranged on the telescopic end of the cylinder and connected to the side wall of the conical connector, and the movable end of the guide member is connected to the movable seat.
[0006] The guide member includes a guide sleeve and a guide rod. The guide sleeves are symmetrically arranged on both sides of the cylinder. The guide rod is slidably inserted into the guide sleeve and the lower end is connected to the moving seat.
[0007] The above-mentioned pulse jet assembly includes a connecting seat, an injection pipe and a pulse solenoid valve. The connecting seat is symmetrically welded on the side wall of the conical connector and arranged along the inclined direction. One end of the injection pipe is assembled and fixed to the connector. The outlet end of the pulse solenoid valve is connected to the injection pipe, and the air inlet is connected to the gas injection pipeline through a flexible connecting pipe.
[0008] A sealing gasket is provided on the top of the placement groove, and a stepped boss is provided in the cover shell, and the lower end surface of the stepped boss is in contact with the sealing gasket.
[0009] The side wall of the cover shell is provided with a transparent tempered glass observation window.
[0010] The utility model provides a bag dust collector for collecting molybdenum dioxide powder. The device has the following beneficial effects: a boat removed from a multi-tube furnace is placed in a placement slot on an operating table, a vertical adjustment component is controlled to move a cover downward so that the cover is buckled above the placement slot, an axial flow fan and an exhaust fan on a bag dust collector are started, and a pulse jet component is used to simultaneously blow high-pressure pulse nitrogen gas into the boat. The pulse airflow impacts molybdenum dioxide particles, causing them to fly within the cover. Under the negative pressure of the axial flow fan, the airflow containing the molybdenum dioxide particles is drawn into the bag dust collector. When the gas passes through the filter cloth, the gaps between the filter cloth fibers separate and intercept molybdenum dioxide particles larger than the gap diameter. When the particulate material accumulates to a certain thickness, the bag dust collector performs reverse jet air washing to clear the molybdenum dioxide particles into a hopper, where they can be discharged through a discharge valve at the bottom of the hopper, thereby achieving rapid collection of the molybdenum dioxide particles. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a schematic diagram of the main structure of a bag dust collector for collecting molybdenum dioxide powder described in the utility model.
[0012] Figure 2 This is a side structural schematic diagram of a bag dust collector for collecting molybdenum dioxide powder described in the utility model.
[0013] Figure 3 For this utility model Figure 1 Schematic diagram of the local enlarged structure of position a.
[0014] In the figure: 1. Placement trough; 2. Bag dust collector; 3. Operating table; 4. Cover; 5. Conical connector; 6. Axial flow fan; 7. Telescopic gooseneck; 8. Discharge valve; 9. Stand; 10. Air injection pipe; 11. Cylinder; 12. Moving seat; 13. Guide sleeve; 14. Guide rod; 15. Connecting seat; 16. Injection pipe; 17. Pulse solenoid valve; 18. Sealing gasket; 19. Stepped boss; 20. Observation window. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0016] Example: In conjunction with the instructions attached Figure 1-3 It can be seen that the present application specifically designs a bag dust collecting device for collecting molybdenum dioxide powder, including a placement trough 1 and a bag dust collector 2. The placement trough 1 is arranged on an operating table 3. A cover shell 4 is arranged above the placement trough 1. A conical connector 5 is arranged on the top of the cover shell 4. A telescopic gooseneck tube 7 is installed on the top of the conical connector 5. An axial flow fan 6 is connected to one end of the telescopic gooseneck tube 7. The air outlet end of the axial flow fan 6 is connected to the air inlet of the bag dust collector 2. A discharge valve 8 is provided at the lower part of the silo of the bag dust collector 2. A stand 9 is provided on one side of the placement trough 1. A vertical adjustment component is provided on the top of the stand 9. The moving end of the vertical adjustment component is connected to the cover shell 4. A pulse jet component is installed on the side wall of the conical connector 5. One end of the pulse jet component is connected to the safety valve at the outlet of the high-pressure nitrogen storage tank through the gas injection pipe 10. The boat taken out from the multi-tube furnace is placed on In the placement slot 1 on the operating table 3, the vertical adjustment component is controlled to move, thereby pushing the cover shell 4 downward so that the cover shell 4 is buckled above the placement slot 1, and the axial flow fan 6 and the exhaust fan on the bag dust collector 2 are started. At the same time, the pulse jet component is used to blow high-pressure pulse nitrogen to the boat. The pulse airflow impacts the molybdenum dioxide particles, causing the molybdenum dioxide particles to fly in the cover shell 4. Under the negative pressure of the axial flow fan 6, the airflow containing the molybdenum dioxide particles is sucked into the bag dust collector. When the gas passes through the filter cloth, the gaps between the filter cloth fibers separate and intercept the molybdenum dioxide particles larger than the gap diameter. When the particulate material accumulates to a certain thickness, the bag dust collector performs reverse jet air washing to clear the molybdenum dioxide particles and enter the silo, which can be discharged through the discharge valve 8 at the bottom of the silo, thereby realizing the rapid collection operation of the molybdenum dioxide particles.
[0017] During the specific implementation process, the above-mentioned vertical adjustment component includes a cylinder 11, a guide and a movable seat 12. The cylinder 11 is arranged on the stand 9 in the vertical direction, and the guide members are symmetrically arranged on both sides of the cylinder 11. The movable seat 12 is arranged on the telescopic end of the cylinder 11 and is connected to the side wall of the conical connector 5. The movable end of the guide member is connected to the movable seat 12, wherein the guide member includes a guide sleeve 13 and a guide rod 14. The guide sleeve 13 is symmetrically arranged on both sides of the cylinder 11. The guide rod 14 is slidably inserted in the guide sleeve 13 and the lower end is connected to the movable seat 12. When in use, the cylinder 11 is used to realize the vertical movement control of the movable seat 12, thereby pulling the conical connector 5 and the cover shell 4 to move in the vertical direction, realizing the snapping and separation operations between the cover shell 4 and the placement groove 1. The setting of the guide rod 14 can further improve the movement stability of the movable seat 12.
[0018] During the specific implementation process, the above-mentioned pulse jet assembly includes a connecting seat 15, an air jet pipe 16 and a pulse solenoid valve 17. The connecting seat 15 is symmetrically welded on the side wall of the conical connector 5 and arranged in an inclined direction. One end of the air jet pipe 16 is assembled and fixed to the connector. The outlet end of the pulse solenoid valve 17 is connected to the air jet pipe 16, and the air inlet is connected to the air injection pipe 10 through a flexible connecting pipe. The control function of the pulse solenoid valve 17 is used to realize pulse purge of high-pressure nitrogen. The high-pressure nitrogen is injected into the cover 4 through the air jet pipe 16, thereby realizing active interference with the molybdenum dioxide particles in the boat. Under the action of wind, the molybdenum dioxide particles are mixed with the wind flow, and further, under the driving action of the axial flow fan 6, the dust-laden air flow is introduced into the bag collector 2.
[0019] During the specific implementation process, as a preferred setting, a sealing gasket 18 is provided on the top of the above-mentioned placement groove 1, and a stepped boss 19 is provided in the cover shell 4. The lower end surface of the stepped boss 19 is in contact with the sealing gasket 18. The stepped boss 19 is clamped on the top of the placement groove 1 and in contact with the sealing gasket 18, thereby further ensuring the sealing performance of the connection position and effectively preventing the molybdenum dioxide particles from spilling into the external environment.
[0020] In the specific implementation process, as a preferred configuration, a transparent tempered glass observation window 20 is provided on the side wall of the cover shell 4 to facilitate direct observation of the internal working space of the cover shell 4.
[0021] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A bag dust collector for collecting molybdenum dioxide powder, comprising a placement trough and a bag dust collector, characterized in that: The placement trough is arranged on the operating table, and a cover shell is arranged above the placement trough, and a conical connector is arranged on the top of the cover shell, and a telescopic gooseneck is installed on the top of the conical connector, and an axial flow fan is connected to one end of the telescopic gooseneck, and the air outlet end of the axial flow fan is connected to the air inlet of the bag dust collector, and a discharge valve is provided at the lower part of the silo of the bag dust collector, and a vertical frame is provided on one side of the placement trough, and a vertical adjustment component is provided on the top of the vertical frame, and the movable end of the vertical adjustment component is connected to the cover shell, and a pulse jet component is installed on the side wall of the conical connector, and one end of the pulse jet component is connected to the high-pressure nitrogen storage tank outlet safety valve through an air injection pipe.
2. The bag dust collecting device for collecting molybdenum dioxide powder according to claim 1, characterized in that: The vertical adjustment assembly includes a cylinder, a guide and a movable seat. The cylinder is arranged on the stand in the vertical direction, the guide is symmetrically arranged on both sides of the cylinder, the movable seat is arranged on the telescopic end of the cylinder and connected to the side wall of the conical connector, and the movable end of the guide is connected to the movable seat.
3. A bag dust collecting device for collecting molybdenum dioxide powder according to claim 2, characterized in that: The guide member includes a guide sleeve and a guide rod. The guide sleeves are symmetrically arranged on both sides of the cylinder. The guide rod is slidably inserted into the guide sleeve and the lower end is connected to the moving seat.
4. The bag dust collecting device for collecting molybdenum dioxide powder according to claim 1, characterized in that: The pulse jet assembly includes a connecting seat, an injection pipe and a pulse solenoid valve. The connecting seat is symmetrically welded on the side wall of the conical connector and arranged along the inclined direction. One end of the injection pipe is assembled and fixed to the connector. The outlet end of the pulse solenoid valve is connected to the injection pipe, and the air inlet is connected to the gas injection pipeline through a flexible connecting pipe.
5. The bag dust collecting device for collecting molybdenum dioxide powder according to claim 1, characterized in that: A sealing gasket is provided on the top of the placement groove, and a stepped boss is provided in the cover shell, and the lower end surface of the stepped boss is in contact with the sealing gasket.
6. The bag dust collecting device for collecting molybdenum dioxide powder according to claim 1, characterized in that: The side wall of the cover shell is provided with a transparent tempered glass observation window.