Hazardous waste crusher spiral conveying nitrogen charging protection device

Abstract

The utility model relates to the technical field of hazardous waste treatment, and discloses a hazardous waste crusher spiral conveying nitrogen charging protection device which comprises a nitrogen charging protection mechanism and a protection component arranged on one side of the nitrogen charging protection mechanism, the nitrogen charging protection mechanism comprises a nitrogen cylinder A and a stop valve installed at the outlet end of the nitrogen cylinder A, a conveying pipe is installed at one end of the stop valve, and a nitrogen discharging pipe is installed at the other end of the nitrogen cylinder A; a supporting rod is installed on one side of the conveying pipe, a check valve is installed at one end of the conveying pipe, the conveying pipe is installed at one end of the check valve, a safety valve is installed on one side of the conveying pipe, a connecting pipe A is installed at one end of the safety valve, and a stop valve is installed at the middle end of the connecting pipe A; four groups of nitrogen cylinders A are used for charging nitrogen into the sealed cabin, the crushing cabin, the rear section of the spiral pipeline below the lower flashboard and the top of the middle section of the spiral pipeline respectively, one group of nitrogen cylinders B is used for charging nitrogen into the side part of the front section, and the whole spiral pipeline is under nitrogen protection, so that waste in a material pit or the front spiral conveying section is prevented from catching fire; therefore, the flame returns to the whole spiral pipeline.

Description

TECHNICAL FIELD

[0001] The utility model relates to dangerous waste treatment technical field, concretely is a dangerous waste crusher spiral conveying nitrogen filling protection device. BACKGROUND

[0002] The most common pretreatment process in the dangerous waste industry is the crushing system, and the waste material after crushing pretreatment is transported to the pit by the screw conveyor, the screw conveying system can provide stable and efficient material conveying, especially for the continuously conveyed post-crushing products, ensuring uninterrupted production process, and the screw conveyor can handle various forms of waste, including irregular, loose or wet waste, and has strong adaptability.

[0003] The nitrogen protection of the current CSS closed active protection dangerous waste crushing system is mainly in the sealing cabin and the crushing cabin and the lower side of the lower gate, thereby protecting the crushing system. However, if the discharge port is directly connected to the pit, once the pit catches fire and reverses into the spiral pipeline or the material in front of the discharge port catches fire, and the dangerous waste material in the spiral pipeline accumulates too much, blocking the nitrogen gas under the lower gate, the nitrogen gas cannot play a role in suffocating and extinguishing the fire, which can easily cause the dangerous waste material in the entire spiral pipeline to catch fire and damage the equipment. Due to structural reasons, it is difficult to add two sealing doors, a fire detection system and a passive fire extinguishing system before and after the spiral pipeline, which can easily damage the equipment.

[0004] Therefore, we propose a dangerous waste crusher spiral conveying nitrogen filling protection device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a dangerous waste crusher spiral conveying nitrogen filling protection device to solve the problem of the accumulation of dangerous waste material in the spiral pipeline and the blockage of nitrogen gas under the lower gate.

[0006] To achieve the above object, the utility model provides the following technical scheme: a dangerous waste crusher spiral conveying nitrogen filling protection device, which comprises a nitrogen filling protection mechanism and a protection member arranged on one side of the nitrogen filling protection mechanism, the nitrogen filling protection mechanism comprises a nitrogen cylinder A and a stop valve installed at the outlet end of the nitrogen cylinder A, one end of the stop valve is provided with a conveying pipe, one side of the conveying pipe is provided with a supporting rod, one end of the conveying pipe is provided with a check valve, one end of the check valve is provided with a conveying pipe, one side of the conveying pipe is provided with a safety valve, one end of the safety valve is provided with a connecting pipe A, and a stop valve is installed at the middle end position of the connecting pipe A;

[0007] The conveying pipe between the check valve and the safety valve of the four groups is provided with a directional conveying pipe on one side.

[0008] Preferably, the protection component includes a nitrogen cylinder B, the outlet end of the nitrogen cylinder B is also provided with a stop valve, one end of the stop valve is provided with a conveying pipe, one side of the conveying pipe is provided with a supporting rod, one end of the conveying pipe is provided with a check valve, one end of the check valve is provided with a conveying pipe, one side of the conveying pipe is provided with a safety valve, one end of the safety valve is provided with a connecting pipe, one end of the connecting pipe is provided with a ball valve, and one end of the ball valve is provided with a connecting pipe B.

[0009] Preferably, one side of the connecting pipe B and one end of the spiral pipe are provided with an opening and closing mechanism, one side of the opening and closing mechanism and the top end of the spiral pipe are provided with a connecting rod, and the top end of the connecting rod is provided with a reminding component.

[0010] Preferably, the opening and closing mechanism includes a mounting ring and a side ring groove formed in one side of the outer surface of the mounting ring, side blocks are arranged on both sides of the outer surface of the mounting ring, threaded holes are formed in the middle end of the side blocks, and bolts are screwed into the threaded holes.

[0011] Preferably, the top end of the mounting ring is provided with a motor, the output end of the motor is provided with a rotating shaft, the bottom end of the rotating shaft penetrates the middle end of the mounting ring, and a disc is movably arranged on the outer surface of the rotating shaft and in the mounting ring.

[0012] Preferably, the reminding component includes a protection box and a heat insulation plate arranged in the bottom end of the protection box, a single-chip microcomputer is arranged in the top end of the heat insulation plate and in the protection box, a buzzer is arranged on the top end of the protection box, and a temperature sensor is arranged on the top end of the mounting ring.

[0013] Compared with the prior art, the device has the advantages that:

[0014] 1. The device can ensure that the whole spiral pipe is in nitrogen protection, avoid the waste in the pit or the front section of the spiral conveying from igniting, and prevent the flame from returning to the whole spiral pipe.

[0015] 2. The device can prevent the waste in the spiral conveyor from contacting oxygen in a large area and causing the fire in the spiral pipe to expand. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole three-dimensional structure schematic view of the device.

[0017] Figure 2A three-dimensional structure schematic view of the nitrogen filling protection mechanism and the protection member of the utility model;

[0018] Figure 3 A three-dimensional structure schematic view of the opening and closing mechanism of the utility model;

[0019] Figure 4 A three-dimensional structure schematic view of the reminding member of the utility model.

[0020] In the drawing: 1, nitrogen filling protection mechanism;11, nitrogen cylinder A;12, conveying pipe;13, stop valve;14, support rod;15, check valve;16, safety valve;17, connecting pipe A;18, directional pipe;2, protection member;21, nitrogen cylinder B;22, connecting pipe;23, ball valve;24, connecting pipe B;3, opening and closing mechanism;31, mounting ring;32, side ring groove;33, side block;34, threaded hole;35, motor;36, rotating shaft;37, disc;4, bolt;5, connecting class;6, reminding member;61, protection box;62, buzzer;63, temperature sensor;64, heat insulation plate;65, single-chip microcomputer. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment one: please refer to Figures 1-3 A hazardous waste crusher spiral conveying nitrogen filling protection device, including nitrogen filling protection mechanism 1 and the protection member 2 that sets in nitrogen filling protection mechanism 1 one side, nitrogen filling protection mechanism 1 includes nitrogen cylinder A 11 and installs the stop valve 13 of nitrogen cylinder A 11 export end, one end of stop valve 13 is installed with conveying pipe 12, one side of conveying pipe 12 is installed with support rod 14, one end of conveying pipe 12 is installed with check valve 15, one end of check valve 15 is installed with conveying pipe 12, one side of conveying pipe 12 is installed with safety valve 16, one end of safety valve 16 is installed with connecting pipe A 17, the middle end position of connecting pipe A 17 is installed with stop valve 13, the stop valve 13 for opening and closing nitrogen cylinder A 11 is set, the check valve 15 for avoiding nitrogen backflow is set, the safety valve 16 for avoiding excessive internal pressure of pipeline is set, when pressure exceeds the set value, safety valve 16 will automatically open, release the excess pressure, prevent pipeline system damage, the stop valve 13 of setting in the middle end position of connecting pipe A 17 can cut off nitrogen.

[0023] The nitrogen protection mechanism 1 is provided with four groups, and a directional pipe 18 is installed on one side of the conveying pipe 12 between the check valve 15 and the safety valve 16. When a fire occurs, the nitrogen in the four groups of nitrogen cylinders A11 can be discharged to one side of the protection member 2 through the directional pipe 18.

[0024] The protection member 2 includes a nitrogen cylinder B21, and a stop valve 13 is also installed at the outlet end of the nitrogen cylinder B21. One end of the stop valve 13 is provided with a conveying pipe 12, one side of the conveying pipe 12 is provided with a supporting rod 14, one end of the conveying pipe 12 is provided with a check valve 15, one end of the check valve 15 is provided with a conveying pipe 12, one side of the conveying pipe 12 is provided with a safety valve 16, one end of the safety valve 16 is provided with a connecting pipe 22, one end of the connecting pipe 22 is provided with a ball valve 23, one end of the ball valve 23 is provided with a connecting pipe B24. The nitrogen discharged from the nitrogen cylinder A11 can be discharged into the connecting pipe 22 through the directional pipe 18, and the opening degree of the ball valve 23 can be controlled to adjust the nitrogen flow, and the inside of the spiral pipe is extinguished.

[0025] One side of the connecting pipe B24 and one end of the spiral pipe are provided with an opening and closing mechanism 3, one side of the opening and closing mechanism 3 and one end of the spiral pipe are provided with a connecting pipe 5, and one end of the connecting pipe 5 is provided with a reminding member 6.

[0026] In this embodiment: four groups of nitrogen cylinders A11 respectively charge nitrogen to the sealed cabin, charge nitrogen to the broken cabin, charge nitrogen to the rear part of the spiral pipe below the lower gate plate, and charge nitrogen to the middle top of the spiral pipe. One group of nitrogen cylinders B21 charges nitrogen to the front part of the side. It is ensured that the entire spiral pipe is in a nitrogen protection state, and the waste in the pit or the front part of the spiral conveying is prevented from igniting, so that the flame is prevented from returning to the entire spiral pipe. The side nitrogen charging port of the spiral pipe is changed to a side nitrogen charging port, so as to prevent the dangerous waste material in the spiral pipe from accumulating too much and blocking the nitrogen on the lower side of the lower gate plate. The nitrogen cannot play a suffocating and extinguishing effect, so as to ensure that the spiral conveyor is in a nitrogen-filled atmosphere from front to back, and the degree of corrosion of the spiral conveyor by waste is reduced.

[0027] Example two: this embodiment is improved on the basis of example one. For details, please refer to Figures 2-4 The opening and closing mechanism 3 includes a mounting ring 31 and a side ring groove 32 formed on one side of the outer surface of the mounting ring 31. The outer surface of the mounting ring 31 is provided with a side block 33 on both sides. Threaded holes 34 are formed in the middle end of the side block 33. The threaded holes 34 are internally threadedly connected with bolts 4. The side ring groove 32 is matched with the spiral pipe, and the opening and closing mechanism 3 is fixed at one end of the spiral pipe by means of the bolts 4.

[0028] The top end of the mounting ring 31 is provided with a motor 35, the output end of the motor 35 is provided with a rotating shaft 36, the bottom end of the rotating shaft 36 penetrates the middle end of the mounting ring 31, the outer surface of the rotating shaft 36 is movably provided with a disc 37 inside the mounting ring 31, the inside of the mounting ring 31 is blocked by the disc 37 to prevent oxygen from entering the spiral pipe.

[0029] The reminding component 6 comprises a protective box 61 and a heat insulation plate 64 mounted at the bottom end inside the protective box 61, the top end of the heat insulation plate 64 is mounted with a single-chip microcomputer 65 inside the protective box 61, the top end of the protective box 61 is mounted with a buzzer 62, the inside top end of the mounting ring 31 is mounted with a temperature sensor 63, the single-chip microcomputer 65, the buzzer 62 and the temperature sensor 63 are electrically connected, the temperature sensor 63 detects temperature data and transmits to the single-chip microcomputer 65, after the single-chip microcomputer 65 makes a judgment, when the temperature is too high, the cut-off valve 13 mounted on one side of the safety valve 16 is closed on one side of the four groups of nitrogen cylinders A11, the nitrogen in the four groups of nitrogen cylinders A11 is discharged through the directional pipe 18 into the conveying pipe 12 on one side of the nitrogen cylinder B21, the ball valve 23 is completely opened, and the nitrogen is filled into the nitrogen filling port on the side of the front section of the spiral pipe at a moment.

[0030] In the embodiment, the mounting ring 31 provided with the side ring groove 32 at one end is aligned with the discharge pipe of the spiral conveyor, the bolt 4 is screwed into the inside of the threaded hole 34 to mount the opening and closing mechanism 3 and the discharge pipe of the spiral conveyor, when the waste is on fire, the temperature sensor 63 senses the temperature change data and transmits to the single-chip microcomputer 65, the single-chip microcomputer 65 makes a judgment, controls the motor 35 and the buzzer 62 to operate, the rotating shaft 36 drives the disc 37 to rotate, the discharge pipe of the spiral conveyor is blocked by the disc 37, the dangerous situation is handled in an emergency, the waste in the spiral conveyor is prevented from contacting oxygen in a large area, further causing the fire in the spiral pipe, and the sound produced by the buzzer 62 is used to remind the workers to handle the situation of the accident.

[0031] Working principle: the four groups of nitrogen cylinders A11 respectively charge nitrogen to the sealed cabin, the crushing cabin, the rear section of the spiral pipe below the lower gate plate and the middle section top of the spiral pipe, one group of nitrogen cylinder B21 charges nitrogen to the front section side nitrogen filling port, which ensures that the whole spiral pipe is in nitrogen protection, avoids the waste in the pit or the front section of the spiral conveyor on fire, causes the flame to return to the whole spiral pipe, the temperature sensor 63 senses the temperature change data and transmits to the single-chip microcomputer 65, the discharge pipe of the spiral conveyor is blocked by the disc 37, the waste in the spiral conveyor is prevented from contacting oxygen in a large area, and the fire in the spiral pipe is prevented from expanding.

[0032] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0033] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A nitrogen-filling protection device for a screw conveyor of a hazardous waste crusher, comprising a nitrogen-filling protection mechanism (1) and a protective component (2) disposed on one side of the nitrogen-filling protection mechanism (1), characterized in that: The nitrogen filling protection mechanism (1) includes a nitrogen cylinder A (11) and a shut-off valve (13) installed at the outlet end of the nitrogen cylinder A (11). A delivery pipe (12) is installed at one end of the shut-off valve (13). A support rod (14) is installed on one side of the delivery pipe (12). A check valve (15) is installed at one end of the delivery pipe (12). A delivery pipe (12) is installed at one end of the check valve (15). A safety valve (16) is installed on one side of the delivery pipe (12). A connecting pipe A (17) is installed at one end of the safety valve (16). A shut-off valve (13) is installed at the middle of the connecting pipe A (17). The nitrogen charging protection mechanism (1) is provided with four sets, and a directional conveying pipe (18) is installed on one side of the conveying pipe (12) between the four sets of check valves (15) and safety valves (16).

2. The nitrogen-filling protection device for a screw conveyor of a hazardous waste crusher according to claim 1, characterized in that: The protective component (2) includes a nitrogen cylinder B (21). A shut-off valve (13) is also installed at the outlet end of the nitrogen cylinder B (21). A delivery pipe (12) is installed at one end of the shut-off valve (13). A support rod (14) is installed on one side of the delivery pipe (12). A check valve (15) is installed at one end of the delivery pipe (12). A delivery pipe (12) is installed at one end of the check valve (15). A safety valve (16) is installed on one side of the delivery pipe (12). A connecting pipe (22) is installed at one end of the safety valve (16). A ball valve (23) is installed at one end of the connecting pipe (22). A connecting pipe B (24) is installed at one end of the ball valve (23).

3. The nitrogen-filling protection device for a screw conveyor of a hazardous waste crusher according to claim 2, characterized in that: An opening and closing mechanism (3) is installed on one side of the connecting pipe B (24) and at one end of the spiral pipe. A connecting plate (5) is installed on one side of the opening and closing mechanism (3) and at the top of the spiral pipe. A reminder component (6) is installed at the top of the connecting plate (5).

4. The nitrogen-filling protection device for a screw conveyor of a hazardous waste crusher according to claim 3, characterized in that: The opening and closing mechanism (3) includes a mounting ring (31) and a side ring groove (32) opened on one side of the outer surface of the mounting ring (31). Side blocks (33) are installed on both sides of the outer surface of the mounting ring (31). A threaded hole (34) is opened through the middle end of the side block (33). A bolt (4) is threaded inside the threaded hole (34).

5. A nitrogen-filling protection device for a screw conveyor of a hazardous waste crusher according to claim 4, characterized in that: A motor (35) is installed at the top of the mounting ring (31), and a rotating shaft (36) is installed at the output end of the motor (35). The bottom end of the rotating shaft (36) passes through the middle end of the mounting ring (31), and a disc (37) is movably installed on the outer surface of the rotating shaft (36) and inside the mounting ring (31).

6. The nitrogen-filling protection device for a screw conveyor of a hazardous waste crusher according to claim 3, characterized in that: The reminder component (6) includes a protective box (61) and a heat insulation plate (64) installed at the bottom inside the protective box (61). A microcontroller (65) is installed at the top of the heat insulation plate (64) and inside the protective box (61). A buzzer (62) is installed at the top of the protective box (61). A temperature sensor (63) is installed at the top inside the mounting ring (31).

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