CN113650901A

CN113650901A - Phosphorus pentachloride feeding station

Info

Publication number: CN113650901A
Application number: CN202111083427.9A
Authority: CN
Inventors: 刘宏; 梁开军; 杨小兵
Original assignee: Changzhou Wanjia Intelligent Equipment Co ltd
Current assignee: Changzhou Wanjia Intelligent Equipment Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2021-11-16

Abstract

The invention discloses a phosphorus pentachloride feeding station, which comprises a feeding station frame; the feeding station frame is divided into a guide rail support, a waste bag collecting chamber, a unpacking chamber and a feeding chamber, the guide rail support is positioned at the top of the feeding station frame, and a baffle is arranged on the bottom surface of the guide rail support; the waste bag collecting chamber, the feeding chamber and the unpacking chamber are communicated with each other and are sequentially arranged right below the guide rail bracket from left to right; the whole conveying, bag opening and waste bag collecting device is in a closed space, and prevents harmful gas generated by bag opening and feeding from leaking.

Description

Phosphorus pentachloride feeding station

Technical Field

The invention relates to the field of toxic raw material feeding devices, in particular to a phosphorus pentachloride feeding station.

Background

Phosphorus pentachloride is an important industrial raw material and is also one of important raw materials of lithium battery electrolytes. Phosphorus pentachloride has strong toxicity and corrosiveness, and the phosphorus pentachloride can seriously pollute the environment and damage the health of people when being dispersed into the air, so the feeding of the phosphorus pentachloride is a technical problem in industry. In the prior art, all related devices are placed in a totally-enclosed vacuum environment when phosphorus pentachloride is put in, and the operation is realized by a vacuum pipeline, a vacuum container, a pressure regulating valve and the like, although toxic gas can be temporarily enclosed by the operation, due to the characteristic of strong corrosivity of the phosphorus pentachloride, the number of the devices in contact is large, the time is long, the devices are extremely easy to damage, and the toxic gas is easy to leak.

Disclosure of Invention

In order to solve the above problems, the present invention provides the following technical solutions: a phosphorus pentachloride feeding station comprises a feeding station frame; the feeding station frame is divided into a guide rail support, a waste bag collecting chamber, a unpacking chamber and a feeding chamber, the guide rail support is positioned at the top of the feeding station frame, and a baffle is arranged on the bottom surface of the guide rail support; the waste bag collecting chamber, the feeding chamber and the unpacking chamber are communicated with each other and are sequentially arranged right below the guide rail bracket from left to right.

Preferably, a guide rail is transversely fixed at the top of the guide rail bracket, and a movable groove parallel to the guide rail is formed at the baffle; the bag hanging device is connected with the electric hoist and located below the movable groove.

Preferably, the bag hanging device is provided with four bag hanging brackets, and the end part of each bag hanging bracket is connected with a self-locking hook; the self-locking hook comprises a fixed block, a hook and a self-locking block, the fixed block is movably connected with the hook, and the self-locking block is movably connected with the hook.

Preferably, the upper end of the fixing block is provided with a triangular bulge, a through notch is formed in the fixing block, and a cylindrical limiting rod is connected between the through notches; one end of the hook is a triangular limiting block, an arc-shaped notch is formed in the position close to the limiting block, and the other end of the hook is a solid hook tail; the first half of the self-locking block is also provided with the through notches, the limiting rods are connected between the through notches, the second half of the self-locking block is solid, and the bottom of the self-locking block is provided with a self-locking groove.

Preferably, a discharge opening is formed in the feeding chamber, an outer closed chamber is defined below the discharge opening through the baffle, a vibrating hopper is fixed in the outer closed chamber, and a nitrogen chamber is formed below the vibrating hopper; the device also comprises an iris valve and a closing valve, wherein the iris valve and the closing valve are respectively fixed at the lower end of the vibration bucket and the upper end between the nitrogen gas.

Preferably, a feeding pipe is introduced into the bottom of the nitrogen chamber, a glove operation opening is formed in the side edge of the nitrogen chamber, and two opposite bag pressing cylinders are arranged on the inner side of the top of the nitrogen chamber; still include the material ball valve of cutting and clap the bagging apparatus, the material ball valve of cutting is connected the bottom of unloading pipe, clap the bagging apparatus dispersion set up in discharge opening top.

Preferably, a waste bag collecting frame is placed at the bottom of the waste bag collecting chamber, and a liftable pressure plate is arranged on the side face of the waste bag collecting frame.

Preferably, the feeding station frame is a carbon steel frame, and the baffle plates are arranged around the feeding station frame.

Preferably, the baffle is made of a PE plate.

Preferably, the bottom of the waste bag collecting chamber and the bottom of the unpacking chamber are both provided with automatic doors.

Compared with the prior art, the invention has the following beneficial effects:

1. the time for opening the packaging bag filled with the phosphorus pentachloride is delayed, so that the contact time of the phosphorus pentachloride and the air is reduced, the exposed space of the phosphorus pentachloride is reduced, and the diffusion of toxic gas is radically solved;

2. the hook of the phosphorus pentachloride packaging bag and the final packaging bag recovery can be automatically operated without manual contact, thereby avoiding the exposure of the phosphorus pentachloride to the environment of operators.

3. The bag opening and discharging space is full nitrogen to protect the environment, and the contact between the materials and the air is effectively avoided.

4. The carbon steel frame is adopted, and the interior of the frame is sealed by adopting a non-metal plate, so that the frame is suitable for a high-corrosion environment.

Drawings

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of the feed chamber of the present invention;

FIG. 4 is a partial cross-sectional view of a feeding chamber of the present invention;

FIG. 5 is a locking state diagram of the self-locking hook of the present invention;

FIG. 6 is a view showing the natural state of the self-locking hook according to the present invention;

in the figure: the automatic bag-opening and bag-closing device comprises a feeding station frame 1, a guide rail support 2, a waste bag collecting chamber 3, a bag-opening chamber 4, a feeding chamber 5, a baffle 6, a guide rail 7, a movable groove 8, an electric hoist 9, a bag-hanging device 10, a bag-hanging support 11, a self-locking hook 12, a fixed block 13, a protrusion 1301, a 1302 through notch, a hook 14, a 1401 limiting block, an 1402 arc notch, a 1403 hook tail, a 15 self-locking block, a 1501 self-locking groove, a limiting rod 16, a discharge opening 17, an outer sealed space 18, a vibrating hopper 19, a nitrogen space 20, an iris valve 21, a partition valve 22, a discharge pipe 23, a glove operation opening 24, a bag-pressing cylinder 25, a material-cutting ball valve 26, a bag-beating device 27, a waste bag collecting frame 28, a pressure plate 29 and an automatic door 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a phosphorus pentachloride feeding station includes a feeding station frame 1; the feeding station frame 1 is divided into a guide rail bracket 2, a waste bag collecting chamber 3, an unpacking chamber 4 and a feeding chamber 5, the guide rail bracket 2 is positioned at the top of the feeding station frame 1, and a baffle 6 is arranged at the bottom surface; the waste bag collecting chamber 3, the feeding chamber 5 and the unpacking chamber 4 are communicated with each other and are sequentially arranged right below the guide rail bracket 2 from left to right.

A guide rail 7 is transversely fixed at the top of the guide rail bracket 2, and a movable groove 8 parallel to the guide rail 7 is formed in the baffle 6; the bag hanging device is characterized by further comprising an electric hoist 9 and a bag hanging device 10, wherein the electric hoist 9 is mounted on the guide rail 7, and the bag hanging device 10 is connected with the electric hoist 9 and located below the movable groove 8; because the waste bag collecting chamber 3, the unpacking chamber 4 and the feeding chamber 5 are communicated, the electric hoist 9 can drive the bag hanging device 10 to move randomly in the three chambers so as to drive the phosphorus pentachloride packaging bag to a required station.

In order to reduce manual operation, realize automation of bag hanging and bag removing and reduce automation cost, the bag hanging device 10 is provided with four bag hanging brackets 11 to keep balance, and the end part of each bag hanging bracket 11 is connected with a self-locking hook 12 for hooking the bottom of a phosphorus pentachloride packaging bag so as to facilitate subsequent strip releasing and feeding; the self-locking hook 12 comprises a fixed block 13, a hook 14 and a self-locking block 15, wherein the fixed block 13 is movably connected with the hook 14, and the self-locking block 15 is movably connected with the hook 14; the upper end of the fixed block 13 is provided with a triangular protrusion 1301, a through notch 1302 is formed in the fixed block 13, and a cylindrical limiting rod 16 is connected between the through notches 1302; one end of the hook 14 is a triangular limiting block 1401, an arc-shaped notch 1402 is arranged at a position close to the limiting block 1401, and the other end of the hook is a solid hook tail 1403; the upper half part of the self-locking block 15 is also provided with the through notches 1302, the limiting rod 16 is connected between the through notches 1302, the lower half part is solid, and the bottom part is provided with a self-locking groove 1501; the limiting rod 16 inside the fixing block 13 passes through the arc-shaped notch 1402 of the hook 14, so that the hook 14 can slide back and forth, and the limiting rod 16 inside the self-locking block 15 passes through the triangular limiting block 1401, so that the self-locking block 15 can rotate.

The working principle of the self-locking hook 12 is as follows: when the self-locking hook 12 is in an idle state, the self-locking block 15 with heavier self weight drives the limiting block 1401 to fall together, at the moment, the hook tail 1403 at the other end of the hook 14 is tilted immediately, and the hook tail 1403 can be easily sleeved into a bag ring at the bottom of a phosphorus pentachloride packaging bag specially matched with feeding only by lowering the self-locking hook 12 integrally. At this time, the bag hanging device 10 rises, the weight borne by the hook tail 1403 is larger than that of the self-locking block 15, so that the hook tail 1403 falls down, the limiting rod 16 at the fixed block 13 moves forwards and slides to one end, close to the limiting block 1401, of the through notch 1302, meanwhile, the self-locking block 15 starts to rotate under the action of gravity, and the self-locking groove 1501 at the bottom is in contact with the hook tail 1403 to achieve closing and locking. When the packaging bag needs to be pulled out from the self-locking hook 12, the hook tail 1403 is pressed down to contact with an object, and the limiting rod 16 at the fixed block 13 moves back to the end, close to the hook tail 1403, of the through notch 1302 to be pulled out. The triangular protrusion 1301 arranged at the upper end of the fixing block 13 has the function of preventing the self-locking block 15 from being stiff and not rotating, and when the angle between the self-locking block 15 and the horizontal plane is larger than 45 degrees, the self-locking block 15 can be pushed down by the protrusion 1301 to help the self-locking block 15 fall back and close.

A discharge opening 17 is formed in the feeding chamber 5, an outer closed chamber 18 is defined below the discharge opening 17 through the baffle 6, a vibration hopper 19 is fixed in the outer closed chamber 18, and a nitrogen chamber 20 is formed below the vibration hopper 19; the device also comprises an iris valve 21 and a closing valve 22, wherein the iris valve 21 and the closing valve 22 are respectively fixed at the lower end of the vibration bucket 19 and the upper end of the nitrogen chamber 20. A discharging pipe 23 is introduced into the bottom of the nitrogen chamber 20, a glove operation opening 24 is formed in the side edge of the nitrogen chamber, and two opposite bag pressing air cylinders 25 are arranged on the inner side of the top of the nitrogen chamber; still include material cutting ball valve 26 and clap bagging apparatus 27, material cutting ball valve 26 is connected the bottom of unloading pipe 23 is convenient for control the whereabouts of material through opening or closing material cutting ball valve 26, clap bagging apparatus 27 dispersion and set up in discharge opening 17 top. A waste bag collecting frame 28 is arranged at the bottom of the waste bag collecting chamber 3, and a liftable pressure plate 29 is arranged on the side surface.

When the bag hanging device 10 brings phosphorus pentachloride packaging bags to the feeding chamber 5, the phosphorus pentachloride packaging bags are in an inverted hanging state, the bag openings at the lower ends are in a tight state, the packaging bags descend slowly at the moment, the packaging bags contact the vibration hopper 19 after passing through the discharge opening 17 for positioning, the vibration hopper 19 is provided with a weighing sensor, the descending is stopped after sensing the weight of materials, the iris valve 21 at the lower end of the vibration hopper 19 and the partition valve 22 at the upper end of the nitrogen chamber 20 are opened simultaneously, the bag openings are positioned in the nitrogen chamber 20, an operator sleeves the bag openings through the glove operation opening 24 sealed by rubber gloves, the pipe openings of the upper and lower material pipes 23 on the bag openings and pushes the belt pressing cylinders 25 at two sides forwards and presses the bag openings tightly, the bag openings are simultaneously untied, nitrogen replacement is carried out from the outside through the air vent and the air outlet below the nitrogen chamber 20, after the completion, the belt pressing cylinders 25 are removed, and the system starts to unload materials, in the process, the vibration hopper 19 vibrates to help the discharging, the bag-beating devices 27 on the periphery can push the extrusion packaging bags forwards and backwards to help emptying, when the weighing sensors detect that the emptying of the materials is completed, the system can prompt an operator to tie the bag opening, the bag-hanging devices 10 bring the packaging bags into the waste bag collecting chamber 3, the packaging bags are pressed downwards to the waste bag collecting frame 28 to realize automatic unhooking, and the waste bags are compacted by the pressure plates 29 on the sides, so that the feeding is completed.

In order to improve the corrosion resistance of the whole device and prolong the service life, the feeding station frame 1 is a carbon steel frame, and the baffle plates 6 are arranged around the carbon steel frame. The baffle 6 is made of PE plates.

In order to close the device in time, the bottom of the waste bag collecting chamber 3 and the unpacking chamber 4 are provided with automatic doors 30.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A phosphorus pentachloride feeding station, comprising a feeding station frame (1); the method is characterized in that: the feeding station frame (1) is divided into a guide rail support (2), a waste bag collecting chamber (3), an unpacking chamber (4) and a feeding chamber (5), the guide rail support (2) is positioned at the top of the feeding station frame (1), and a baffle (6) is arranged on the bottom surface of the guide rail support; the waste bag collecting chamber (3), the feeding chamber (5) and the unpacking chamber (4) are communicated with each other and are sequentially arranged under the guide rail bracket (2) from left to right.

2. The phosphorus pentachloride feed station of claim 1, wherein: a guide rail (7) is transversely fixed at the top of the guide rail bracket (2), and a movable groove (8) parallel to the guide rail (7) is formed in the baffle (6); the bag hanging device is characterized by further comprising an electric hoist (9) and a bag hanging device (10), wherein the electric hoist (9) is installed on the guide rail (7), and the bag hanging device (10) is connected with the electric hoist (9) and located below the movable groove (8).

3. The phosphorus pentachloride feed station of claim 2, wherein: the bag hanging device (10) is provided with four bag hanging brackets (11), and the end part of each bag hanging bracket (11) is connected with a self-locking hook (12); self-locking couple (12) include fixed block (13), couple (14) and from locking piece (15), fixed block (13) with couple (14) swing joint, from locking piece (15) with couple (14) swing joint.

4. The phosphorus pentachloride feed station of claim 3, wherein: a triangular protrusion (1301) is arranged at the upper end of the fixing block (13), a through notch (1302) is formed in the fixing block (13), and a cylindrical limiting rod (16) is connected between the through notches (1302); one end of the hook (14) is a triangular limiting block (1401), an arc-shaped notch (1402) is formed at a position close to the limiting block (1401), and the other end of the hook is a solid hook tail (1403); the upper half part of the self-locking block (15) is also provided with the through notches (1302), the limiting rod (16) is connected between the through notches (1302), the lower half part is solid, and the bottom is provided with a self-locking groove (1501).

5. The phosphorus pentachloride feed station of claim 1, wherein: a discharge opening (17) is formed in the feeding chamber (5), an outer closed chamber (18) is defined below the discharge opening (17) through the baffle (6), a vibration hopper (19) is fixed in the outer closed chamber (18), and a nitrogen chamber (20) is formed below the vibration hopper (19); the device also comprises an iris valve (21) and a closing valve (22), wherein the iris valve (21) and the closing valve (22) are respectively fixed at the lower end of the vibration bucket (19) and the upper end of the nitrogen chamber (20).

6. The phosphorus pentachloride feed station of claim 5, wherein: a blanking pipe (23) is introduced into the bottom of the nitrogen chamber (20), a glove operation opening (24) is formed in the side edge of the nitrogen chamber, and two opposite bag pressing air cylinders (25) are arranged on the inner side of the top of the nitrogen chamber; still include material cutting ball valve (26) and clap bagging apparatus (27), material cutting ball valve (26) are connected the bottom of unloading pipe (23), clap bagging apparatus (27) dispersion set up in discharge opening (17) top.

7. The phosphorus pentachloride feed station of claim 1, wherein: a waste bag collecting frame (28) is arranged at the bottom of the waste bag collecting chamber (3), and a liftable pressure plate (29) is arranged on the side surface.

8. The phosphorus pentachloride feed station of claim 1, wherein: the feeding station frame (1) is a carbon steel frame, and the baffle plates (6) are arranged on the periphery of the carbon steel frame.

9. The phosphorus pentachloride feed station of claim 8, wherein: the baffle (6) is made of a PE plate.

10. The phosphorus pentachloride feed station of claim 1, wherein: the bottoms of the waste bag collecting chamber (3) and the unpacking chamber (4) are respectively provided with an automatic door (30).