CN219488429U - Nitrogen protection airtight blanking device coated with red phosphorus flame retardant - Google Patents

Abstract

The utility model discloses a nitrogen protection airtight blanking device coated with a red phosphorus flame retardant, which comprises a blanking barrel and an airtight unit; discharging barrel: the pipe valve is connected in series in the blanking pipe at the bottom end, a vertical frame which is symmetrical from front to back is arranged at the right end of the upper surface of the blanking barrel, vertical rods are arranged in the vertical frame, lifting blocks are connected in a sliding manner in the vertical frame, and the vertical rods are respectively connected with middle sliding holes of the vertical corresponding lifting blocks in a sliding manner; and (3) a sealing unit: the device comprises a turning plate and a sealing cover, wherein the turning plate is rotationally connected between a front lifting block and a rear lifting block through a bearing, the left end of the turning plate is provided with the sealing cover, and the sealing cover is positioned in an opening at the upper end of a discharging barrel; the nitrogen protection airtight blanking device for the coated red phosphorus flame retardant can provide effective airtight protection for the coated red phosphorus flame retardant through multiple reinforced sealing, so that the blanking safety of the coated red phosphorus flame retardant cannot be ensured due to the leakage of nitrogen in the blanking barrel in the subsequent blanking process.

Description

Nitrogen protection airtight blanking device coated with red phosphorus flame retardant

Technical Field

The utility model relates to the technical field of processing of coated red phosphorus flame retardants, in particular to a nitrogen protection airtight blanking device for coated red phosphorus flame retardants.

Background

The coated red phosphorus flame retardant is an ultrafine coated red phosphorus flame retardant prepared by adopting a coating technology, reduces the activity of red phosphorus, improves compatibility, solves the problem of moisture absorption of red phosphorus powder serving as the flame retardant, maintains high content of effective flame retardant components, and improves the fire resistance temperature.

In the blanking process of the coated red phosphorus flame retardant, in order to prevent the coated red phosphorus flame retardant from generating friction with oxygen in the air to generate high-temperature reaction, the blanking safety of the coated red phosphorus flame retardant is usually ensured by means of nitrogen protection, and the nitrogen protection mainly comprises nitrogen flow protection and nitrogen protection, wherein the nitrogen is always in a flowing state, so that the coated red phosphorus flame retardant is suitable for an unsealed device which is always required to be fed, but consumes nitrogen comparatively, and the nitrogen is filled in the device, so that the coated red phosphorus flame retardant is suitable for an experiment of always sealing reaction after the feeding is started.

The existing nitrogen protection airtight blanking device for coating the red phosphorus flame retardant generally realizes airtight protection by setting a sealing ring at the contact position of a sealing cover and a blanking barrel, has an excessively simple structure, and is difficult to provide effective airtight protection for coating the red phosphorus flame retardant.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the nitrogen protection airtight blanking device for the coated red phosphorus flame retardant, which can provide effective airtight protection for the coated red phosphorus flame retardant through multiple reinforced sealing, so that the problem that the blanking safety of the coated red phosphorus flame retardant cannot be ensured due to the leakage of nitrogen in a blanking barrel in the subsequent blanking process can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the nitrogen protection airtight blanking device for coating the red phosphorus flame retardant comprises a blanking barrel and an airtight unit;

discharging barrel: the pipe valve is connected in series in the blanking pipe at the bottom end, a vertical frame which is symmetrical from front to back is arranged at the right end of the upper surface of the blanking barrel, vertical rods are arranged in the vertical frame, lifting blocks are connected in a sliding manner in the vertical frame, and the vertical rods are respectively connected with middle sliding holes of the vertical corresponding lifting blocks in a sliding manner;

and (3) a sealing unit: including turning over board and closing cap, turn over the board and pass through the bearing rotation and connect between two elevating blocks around, the left end of turning over the board is equipped with the closing cap, and the closing cap is located the uncovered of unloading bucket upper end, can provide effectual airtight protection for cladding red phosphorus fire retardant through multiple intensive seal to the inside nitrogen gas of unloading bucket leaks and can't guarantee the unloading security of cladding red phosphorus fire retardant in the follow-up unloading in-process.

Further, the airtight unit further comprises a sealing ring, and the sealing ring is arranged at the step edge of the outer cambered surface of the sealing cover, so that the tightness between the sealing cover and the discharging barrel can be further improved.

Further, airtight unit still includes lifter plate and hold-down pin, the inside in the closing cap of lifter plate vertical sliding connection, the bottom surface edge of lifter plate is equipped with evenly distributed's hold-down pin, and vertical sliding connection is in the vertical hole of dodging that corresponds the setting in the inside bottom surface edge of closing cap department respectively, and the hold-down pin all corresponds with the sealing washer is vertical, can make the sealing washer inseparabler of unloading bucket contact.

Further, the airtight unit still includes screw rod, internal thread section of thick bamboo and hand wheel, the screw rod sets up in the upper surface center department of lifter plate, and the upper surface center department of closing cap is connected with the internal thread section of thick bamboo through the bearing rotation, screw rod and internal thread section of thick bamboo threaded connection, and the extrados upper end of internal thread section of thick bamboo is equipped with the hand wheel, can drive the lifter plate and move down.

Furthermore, the outer cambered surface of the blanking barrel is provided with a control switch, and the input end of the control switch is electrically connected with an external power supply, so that the running state of the air pump can be freely regulated and controlled.

Further, the outer cambered surface of the blanking barrel is provided with an air pump, an air supply pipe arranged at an air outlet on the left side face of the air pump penetrates through the barrel wall of the blanking barrel, and the input end of the air pump is electrically connected with the output end of the control switch, so that external nitrogen can be fed into the blanking barrel.

Further, springs are arranged between the upper wall of the inner part of the vertical frame and the upper surface of the vertically corresponding lifting block, and are respectively sleeved outside the vertically corresponding vertical rods, so that the lifting sealing cover and the discharging barrel are in contact more tightly.

Compared with the prior art, the utility model has the beneficial effects that: the nitrogen protection airtight blanking device for the coated red phosphorus flame retardant has the following advantages:

1. when the blanking work of the coated red phosphorus flame retardant is carried out, a person turns over the whole formed by the turning plate and the sealing cover upwards, the opening at the upper end of the blanking barrel is exposed, the middle frame, the vertical rod and the lifting block are matched in the process to provide certain displacement compensation for the turning plate and the sealing cover, then the nitrogen reserved in the external storage tank is fed into the blanking barrel through the regulation and control of the control switch, the initial air in the blanking barrel is gradually discharged upwards along with the continuous injection of the nitrogen, when the blanking barrel is provided with the nitrogen with a higher proportion, the person pours the coated red phosphorus flame retardant into the blanking barrel and stops the feeding work of the nitrogen, and then the person can carry out the blanking work of the coated red phosphorus flame retardant by closing the sealing cover to provide powerful and quick nitrogen protection sealing for the coated red phosphorus flame retardant.

2. The elastic potential energy that the spring produced can promote the lifting block, turn over the whole that board and closing cap constitute and receive a downward pressure all the time for lift closing cap and unloading bucket contact are inseparabler, and the sealing washer then can further promote the leakproofness between closing cap and the unloading bucket, when personnel pass through the hand wheel and drive the internal thread section of thick bamboo rotatory, influenced by the threaded connection relation of screw rod and internal thread section of thick bamboo, the lifter plate can drive the hold-down pin and move down together, makes the hold-down pin compress tightly the sealing washer, makes the sealing washer and unloading bucket contact more inseparabler, with this realizes more effective airtight protection, in order to avoid the inside nitrogen gas leakage of unloading bucket and can't normally provide the protection for cladding red phosphorus fire retardant in the follow-up unloading in-process.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 3 is a schematic view of the present utility model in an inner cross-section;

FIG. 4 is an enlarged schematic view of the structure of the present utility model at B;

fig. 5 is an enlarged schematic view of the structure of the present utility model at C.

In the figure: 1 blanking barrel, 2 pipe valves, 3 vertical frames, 4 vertical rods, 5 lifting blocks, 6 closed units, 61 turning plates, 62 sealing covers, 63 sealing rings, 64 lifting plates, 65 compression pins, 66 screws, 67 internal thread cylinders, 68 handwheels, 7 control switches, 8 air pumps and 9 springs.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present embodiment provides a technical solution: the nitrogen protection airtight blanking device for coating red phosphorus flame retardant comprises a blanking barrel 1 and an airtight unit 6;

blanking barrel 1: the pipe valve 2 is connected in series in the blanking pipe at the bottom end, the right end of the upper surface of the blanking barrel 1 is provided with a vertical frame 3 which is symmetrical front and back, the inside of the vertical frame 3 is provided with vertical rods 4, the inside of the vertical frame 3 is connected with lifting blocks 5 in a sliding way, and the vertical rods 4 are respectively connected with middle sliding holes of the vertical corresponding lifting blocks 5 in a sliding way, so that sufficient operation space can be provided for the subsequent blanking work of the red phosphorus-coated flame retardant;

and a sealing unit 6: the sealing unit 6 further comprises a sealing ring 63, the sealing ring 63 is arranged at the step edge of the outer cambered surface of the sealing cover 62, the sealing unit 6 further comprises a lifting plate 64 and a pressing pin 65, the lifting plate 64 is vertically and slidably connected inside the sealing cover 62, the bottom edge of the lifting plate 64 is provided with uniformly distributed pressing pins 65, the pressing pins 65 are vertically and slidably connected inside vertical avoidance holes correspondingly arranged at the bottom edge inside the sealing cover 62, the pressing pins 65 vertically correspond to the sealing ring 63, the sealing unit 6 further comprises a screw 66, an internal thread cylinder 67 and a hand wheel 68, the screw 66 is arranged at the center of the upper surface of the lifting plate 64, the center of the upper surface of the sealing cover 62 is rotationally connected with an internal thread cylinder 67 through a bearing, the screw 66 is in threaded connection with the internal thread cylinder 67, the upper end of the external cambered surface of the internal thread cylinder 67 is provided with a hand wheel 68, when a coated red phosphorus flame retardant is fed and working, personnel firstly move the lifting plate 61 and the sealing cover 62 into the vertical avoidance holes correspondingly arranged at the bottom edge inside the sealing cover 62, the pressing pins 65 are respectively, the sealing cover 6 vertically corresponds to the sealing ring 63 vertically, the sealing cover 6 is further moved to the sealing cover 1, the sealing cover is stopped by the sealing ring 67, the sealing ring is further moved to the lower end of the sealing cover 62 is opened, the sealing cylinder is opened by the upper end of the sealing cover 1, the sealing cover is further, the sealing cover 1 is closed, the sealing cover is exposed by the upper end of the sealing plate is exposed by the sealing cover 62, the upper end of the sealing plate is further is exposed by the sealing cover 6, and the sealing cover 6, the upper end is further is exposed to the upper than the sealing cover, and the sealing cover is exposed to the sealing cover 1, the compression pin 65 compresses the sealing ring 63, so that the sealing ring 63 is in contact with the blanking barrel 1 more tightly, and more effective airtight protection is realized, so that nitrogen in the blanking barrel 1 is prevented from leaking in the subsequent blanking process, and protection cannot be normally provided for the coated red phosphorus flame retardant.

Wherein: the outer cambered surface of the blanking barrel 1 is provided with a control switch 7, and the input end of the control switch 7 is electrically connected with an external power supply.

Wherein: the extrados of unloading bucket 1 is equipped with air pump 8, and the air supply pipe that air outlet department of air pump 8 left surface set up runs through the staving of unloading bucket 1, and the output of control switch 7 is connected to the input electricity of air pump 8, through the regulation and control of control switch 7, and air pump 8 operation sends the inside of unloading bucket 1 with the nitrogen gas of the internal reserve of outside storage tank, along with the continuous injection of nitrogen gas, the inside initial air of unloading bucket 1 can upwards discharge gradually, when the inside nitrogen gas that possesses higher proportion of unloading bucket 1, personnel will wrap up red phosphorus fire retardant and pour into the inside of unloading bucket 1 and stop the feeding work of nitrogen gas.

Wherein: the spring 9 is arranged between the inner top wall of the vertical frame 3 and the upper surface of the vertically corresponding lifting block 5, the spring 9 is respectively sleeved outside the vertically corresponding vertical rod 4, and elastic potential energy generated by the spring 9 can promote the whole formed by the lifting block 5, the turning plate 61 and the sealing cover 62 to be always pressed downwards, so that the lifting sealing cover 62 is in contact with the blanking barrel 1 more tightly.

The working principle of the nitrogen protection airtight blanking device coated with the red phosphorus flame retardant provided by the utility model is as follows: when the blanking work of the coated red phosphorus flame retardant is carried out, a worker turns over the whole formed by the turning plate 61 and the sealing cover 62 upwards to expose the opening at the upper end of the blanking barrel 1, the middle frame 3, the vertical rod 4 and the lifting block 5 are matched in the process to provide certain displacement compensation for the turning plate 61 and the sealing cover 62, then the air pump 8 operates to send the nitrogen stored in the external storage tank into the blanking barrel 1 through the regulation and control of the control switch 7, the initial air in the blanking barrel 1 is gradually discharged upwards along with the continuous injection of the nitrogen, when the blanking barrel 1 has a higher proportion of nitrogen, the worker pours the coated red phosphorus flame retardant into the blanking barrel 1 and stops the feeding work of the nitrogen, and then the worker closes the sealing cover 62, the elastic potential energy generated by the spring 9 can promote the whole formed by the lifting block 5, the turning plate 61 and the sealing cover 62 to be subjected to downward pressure all the time, so that the sealing cover 62 is in contact with the blanking barrel 1 more tightly, the sealing ring 63 can further improve the sealing performance between the sealing cover 62 and the blanking barrel 1, when a person drives the internal thread barrel 67 to rotate through the hand wheel 68, the lifting plate 64 can drive the pressing pin 65 to move downwards together under the influence of the threaded connection relation of the screw 66 and the internal thread barrel 67, the pressing pin 65 presses the sealing ring 63, and the sealing ring 63 is in contact with the blanking barrel 1 more tightly, so that more effective airtight protection is realized, and the protection cannot be normally provided for covering red phosphorus flame retardant due to nitrogen leakage in the blanking barrel 1 in the subsequent blanking process.

It should be noted that the air pump 8 disclosed in the above embodiment is a VAY8828 vacuum pump, and the control switch 7 is provided with a switch button for controlling the switch operation of the air pump 8.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. The utility model provides a cladding red phosphorus fire retardant nitrogen protection airtight unloader which characterized in that: comprises a blanking barrel (1) and a sealing unit (6);

discharging barrel (1): a pipe valve (2) is connected in series in a discharging pipe at the bottom end of the discharging pipe, a vertical frame (3) which is symmetrical from front to back is arranged at the right end of the upper surface of the discharging barrel (1), vertical rods (4) are arranged in the vertical frame (3), lifting blocks (5) are connected in a sliding mode in the vertical frame (3), and the vertical rods (4) are respectively connected with middle sliding holes of the vertically corresponding lifting blocks (5) in a sliding mode;

and a sealing unit (6): including turning over board (61) and closing cap (62), turn over board (61) and pass through the bearing rotation and connect between two elevating block (5) around, the left end of turning over board (61) is equipped with closing cap (62), and closing cap (62) are located the uncovered of unloading bucket (1) upper end.

2. The nitrogen protection airtight blanking device for coating red phosphorus flame retardant according to claim 1, wherein: the sealing unit (6) further comprises a sealing ring (63), and the sealing ring (63) is arranged at the step edge of the outer cambered surface of the sealing cover (62).

3. The nitrogen protection airtight blanking device for coating red phosphorus flame retardant according to claim 2, wherein: the airtight unit (6) further comprises a lifting plate (64) and a pressing pin (65), wherein the lifting plate (64) is vertically and slidably connected to the inside of the sealing cover (62), the pressing pins (65) which are uniformly distributed are arranged at the edge of the bottom surface of the lifting plate (64), the pressing pins (65) are vertically and slidably connected to vertical avoidance holes which are correspondingly formed in the edge of the bottom surface of the inside of the sealing cover (62), and the pressing pins (65) are vertically and correspondingly arranged on the sealing ring (63).

4. A red phosphorus flame retardant coated nitrogen protection closed blanking device according to claim 3, characterized in that: the sealing unit (6) further comprises a screw (66), an internal thread cylinder (67) and a hand wheel (68), wherein the screw (66) is arranged at the center of the upper surface of the lifting plate (64), the internal thread cylinder (67) is rotationally connected to the center of the upper surface of the sealing cover (62) through a bearing, the screw (66) is in threaded connection with the internal thread cylinder (67), and the hand wheel (68) is arranged at the upper end of the extrados of the internal thread cylinder (67).

5. The nitrogen protection airtight blanking device for coating red phosphorus flame retardant according to claim 1, wherein: the outer cambered surface of the blanking barrel (1) is provided with a control switch (7), and the input end of the control switch (7) is electrically connected with an external power supply.

6. The nitrogen-protection airtight blanking device for coating red phosphorus flame retardant according to claim 5, wherein: the outer cambered surface of the blanking barrel (1) is provided with an air pump (8), an air supply pipe arranged at an air outlet on the left side surface of the air pump (8) penetrates through the barrel wall of the blanking barrel (1), and the input end of the air pump (8) is electrically connected with the output end of the control switch (7).

7. The nitrogen protection airtight blanking device for coating red phosphorus flame retardant according to claim 1, wherein: springs (9) are arranged between the inner top wall of the vertical frame (3) and the upper surface of the vertically corresponding lifting block (5), and the springs (9) are respectively sleeved outside the vertically corresponding vertical rods (4).