CN213942467U

CN213942467U - Emergency tail gas emptying device

Info

Publication number: CN213942467U
Application number: CN202022845602.0U
Authority: CN
Inventors: 傅旭
Original assignee: Longchang Carbon Black Co ltd
Current assignee: Longchang Carbon Black Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-13
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses an emergent emptying devices of tail gas, including tail gas pipe and the tail gas branch pipe of setting above that, be provided with the intake pipe on the tail gas branch pipe, high pressure positive blower has been installed to intake pipe one side, the tail gas branch pipe facial make-up is equipped with auxiliary branch pipe, the rose box has been installed with auxiliary branch pipe gas outlet end to the tail gas branch pipe, the built-in filter plate that is equipped with of rose box, the filter facial make-up is equipped with the installation and tear open the mechanism, the installation and tear open the mechanism and establish on the rose box, the atmospheric valve has been installed to rose box one side, sealed butterfly valve has been installed to the rose box opposite side, sealed butterfly valve is installed respectively on tail gas branch pipe and auxiliary branch pipe. Through having installed the rose box at the atmospheric valve front end, the tail gas of discharging is carried out filtration treatment to the filter in the rose box, has reduced exhaust tail gas impurity volume, and filterable impurity is discharged through clearance mouth by the separation in the rose box at last, has reduced atmospheric valve upper seal circle and has taken place to block up the probability that leads to leaking gas, has prolonged its life.

Description

Emergency tail gas emptying device

Technical Field

The utility model belongs to the technical field of emergency device, concretely relates to emergent emptying devices of tail gas.

Background

The emptying valve is a common valve in fact, and has any style. The name comes from its operation, and its effect is to discharge the gas or liquid with pressure through it in non-working time or emergency state, and avoid other accidents. The principle is that the air inlet valve disc is closed after the machine is closed, and the air path of the emptying valve is opened and then is exhausted.

The raw hydrocarbon is gasified when heated and then carried by the gas capable of self-ignition as a carrier to the burners, and the carbon black is generated in the large number of fan-shaped flames emitted by these bat-shaped burners. Because the production of the carbon black is accompanied by high temperature and high pressure, an emergency vent valve is required to be arranged in each step of the production process of the carbon black to avoid possible emergency situations, the vent valve in the existing carbon black production process is usually arranged on a tail gas branch pipe on the outer wall of the tail gas pipe in an installation mode, and the vent valve on the tail gas branch pipe is in a closed state in a conventional state, when an emergency occurs, the pressure is discharged through the emptying valve, and the pressure-discharging device has the defects that, because the carbon black tail gas circulates in the tail gas branch pipe and contains more impurities, when the emptying valve on the tail gas branch pipe is opened and then closed, the sealing ring on the emptying valve can carry the carbon black impurities to close, the phenomenon of air leakage of the emptying valve can occur, and the problem of air leakage caused by easy blockage of the existing emptying valve for producing carbon black exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an emergent emptying devices of tail gas to the atmospheric valve of carbon black production usefulness that exists among the solution prior art takes place easily to block up the problem that leads to leaking gas.

In order to achieve the above object, the utility model provides a following technical scheme: the tail gas emergency emptying device comprises a tail gas pipe and a tail gas branch pipe arranged on the tail gas pipe, wherein an air inlet pipe is arranged on the tail gas branch pipe, a high-pressure fan is installed on one side of the air inlet pipe, an auxiliary branch pipe is installed on the tail gas branch pipe, a filter box is installed at the air outlet end of the tail gas branch pipe and the auxiliary branch pipe, a filter plate is installed in the filter box, an installing and detaching mechanism is installed on the filter plate, an emptying valve is installed on one side of the filter box, a sealing butterfly valve is installed on the other side of the filter box, and the sealing butterfly valve is installed on the tail gas branch pipe and the auxiliary branch pipe respectively.

Preferably, the mounting and dismounting mechanism comprises a sealing cover, the sealing cover is arranged on the filtering plate, a mounting and dismounting opening is formed in the upper end of the filtering box, the sealing cover is inserted into the mounting and dismounting opening, and the mounting and dismounting opening is of a stepped opening structure.

Preferably, the sealing washer has been installed to sealed lid bottom, sealed covering is equipped with a plurality of screw hole, the ladder edge of opening is torn open to ann is equipped with sealed annular and a plurality of thread groove respectively, the sealing washer is inserted and is established in the sealed annular, the screw hole is equipped with fixing bolt with the thread groove interpolation, the handle has been installed to sealed lid upper end.

Preferably, the inner wall of the bottom end of the filter box is provided with a slot, the bottom end of the filter plate is inserted into the slot, the side wall of the bottom end of the filter box is provided with a cleaning port, and the cleaning port is provided with a flange cover.

Preferably, the outer walls of two sides of the filter plate are provided with filter covers, the filter covers are internally provided with air pressure sensors, the sealing covers are respectively provided with a controller, a storage battery and an alarm, the output ends of the air pressure sensors at two sides are arranged on the controller, the power supply control end of the alarm is arranged on the controller, and the power supply ends of the air pressure sensors, the controller and the alarm are arranged on the storage battery.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides an emergent emptying devices of tail gas, through installing the filter and covering sealedly, sealed lid is installed in ann tears the mouth open through fixing bolt, this setting is convenient for change the dismantlement of filter, and the baroceptor of filter both sides can detect the atmospheric pressure of filter both sides, thereby judge the degree of blocking of filter, after the filter blocks up, its both sides atmospheric pressure difference value exceeds the limit value, controller drive siren sends out the police dispatch newspaper, the warning managers need maintain it and change, the function that has the cleanliness factor automated inspection of filter.

The utility model provides an emergent unloading device of tail gas is equipped with tail gas branch pipe through at the tail gas pipe facial make-up, and the tail gas branch pipe facial make-up is equipped with auxiliary branch pipe, has installed the rose box on tail gas branch pipe and the auxiliary branch pipe respectively, and when the rose box cleaned on tail gas branch pipe, closed sealed butterfly valve and atmospheric valve above that, opened sealed butterfly valve and the atmospheric valve on the auxiliary branch pipe again, can wash the change to the filter in the rose box under the state of not shutting down.

The utility model provides an emergent unloading device of tail gas through having installed the rose box at the atmospheric valve front end, and the tail gas that the filter in the rose box will be discharged carries out filtration treatment, has reduced exhaust tail gas impurity volume to it takes place to block up the probability that leads to gas leakage to have reduced atmospheric valve upper seal circle, has prolonged its life.

Drawings

FIG. 1 is a partially cut-away front view of the present invention;

FIG. 2 is an enlarged view of a portion a of FIG. 1;

FIG. 3 is an enlarged schematic view of FIG. 1 at b;

fig. 4 is an enlarged schematic view of fig. 1 at c.

In the figure: 1 tail gas pipe, 2 tail gas branch pipes, 3 air inlet pipes, 4 high-pressure fans, 5 auxiliary branch pipes, 6 filter boxes, 7 filter plates, 8 emptying valves, 9 sealing covers, 10 mounting and dismounting ports, 11 sealing rings, 12 threaded holes, 13 sealing ring grooves, 14 threaded grooves, 15 fixing bolts, 16 handles, 17 inserting grooves, 18 cleaning ports, 19 flange covers, 20 filter covers, 21 air pressure sensors, 22 controllers, 23 storage batteries, 24 alarms and 101 sealing butterfly valves.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, an emergency exhaust device comprises an exhaust pipe 1 and an exhaust branch pipe 2 arranged on the exhaust pipe, an air inlet pipe 3 is arranged on the exhaust branch pipe 2, a high pressure fan 4 is flanged on the left side of the air inlet pipe 3, the model of the high pressure fan 4 is 2LG3107AH06, an auxiliary branch pipe 5 is communicated on the exhaust branch pipe 2, a filter box 6 is flanged on the air outlet ends of the exhaust branch pipe 2 and the auxiliary branch pipe 5, a filter plate 7 is arranged in the filter box 6, the filter plate 7 filters the exhaust gas, a mounting and dismounting mechanism is arranged on the filter plate 7, the mounting and dismounting mechanism comprises a sealing cover 9, the sealing cover 9 is welded on the filter plate 7, a mounting and dismounting opening 10 is arranged at the upper end of the filter box 6, the mounting and dismounting opening 10 is of a stepped opening structure, an exhaust valve 8 is flanged on the right side of the filter box 6, a sealing butterfly valve 101 is flanged on the left side of the filter box 6, the sealing butterfly valve 101 is respectively flanged on the exhaust branch pipe 2 and the auxiliary branch pipe 5, this arrangement allows for independent control of the filter boxes 6 in the exhaust branch 2 and the auxiliary branch 5, respectively.

Referring to fig. 1, 2, 3 and 4, a sealing ring 11 is adhered to the bottom end of a sealing cover 9, the sealing ring 11 is made of rubber, two threaded holes 12 are formed in the sealing cover 9, a sealing ring groove 13 and two threaded grooves 14 are respectively formed in the ladder sides of an installing and detaching port 10, the sealing ring 11 is inserted into the sealing ring groove 13, fixing bolts 15 are inserted into the threaded holes 12 and the threaded grooves 14, the sealing cover 9 is fixed in the installing and detaching port 10 by the fixing bolts 15, a handle 16 is welded to the upper end of the sealing cover 9, the sealing cover 9 is conveniently lifted by the handle 16, an insertion groove 17 is formed in the inner wall of the bottom end of a filter box 6, the bottom end of a filter plate 7 is inserted into the insertion groove 17, a cleaning port 18 is formed in the side wall of the bottom end of the filter box 6, a flange cover 19 is welded to the cleaning port 18, the flange cover 19 can be used for cleaning the inside of the filter box 6 while sealing the cleaning port 18, and filter covers 20 are welded to the outer walls of the two sides of the filter plate 7, the filter cover 20 is connected with an air pressure sensor 21 through bolts, the type of the air pressure sensor 21 is KCLBF, a controller 22, a storage battery 23 and an alarm 24 are respectively bonded on a sealing cover 9, the types of the controller 22, the storage battery 23 and the alarm 24 are HH-N05S, DH90617 and HRB-N80, the output end of the air pressure sensor 21 on two sides are connected to the controller 22 through wires, the power control end of the alarm 24 is connected to the controller 22 through wires, the air pressure sensors 21 on two sides detect air pressure on two sides of the filter plate 7, when the difference of the air pressure values on two sides is larger than a set value, the controller 22 drives the alarm 24 to give an alarm, the alarm manager needs to clean and replace the filter plate 7, the air pressure sensor 21, the controller 22 and the alarm 24 are connected to the storage battery 23 through wires, and the storage battery 23 provides power supply guarantee.

When an emergency situation occurs in the tail gas pipe 1 on the carbon black production line and the vent valve 8 is required to perform exhaust depressurization treatment, an operator opens the sealing butterfly valve 101 at the gas outlet end of the tail gas branch pipe 2, and then opens the vent valve 8 at the right side of the filter box 6 corresponding to the tail gas branch pipe 2, at the moment, the tail gas branch pipe 2 is in a passage state, the tail gas in the tail gas pipe 1 is discharged into the filter box 6 through the tail gas branch pipe 2, the filter plate 7 in the filter box 6 performs effective filtration treatment on the tail gas, the filtered tail gas is discharged through the corresponding vent valve 8, if more carbon black impurities are accumulated on the filter plate 7, the circulation of the tail gas is obstructed, so that pressure difference is formed at two sides of the filter plate 7, the pressure sensors 21 at two sides of the filter plate 7 transmit detection data to the controller 22 on the sealing cover 9, if the pressure difference exceeds a limit value, the controller 22 drives the alarm 24 to give an alarm, warning managers replace the filter plate 7, operators only need to close the sealing butterfly valve 101 on the tail gas branch pipe 2 and the corresponding vent valve 8, then open the sealing butterfly valve 101 on the auxiliary branch pipe 5 and the corresponding vent valve 8 to enable tail gas to be filtered through the filter box 6 on the auxiliary branch pipe 5, then the operators take out the sealing cover 9 in the filter box 6 on the tail gas branch pipe 2, only need to screw out the fixing bolt 15 on the sealing cover, take out the filter plate 7 below the sealing cover 9 to be cleaned and replaced, simultaneously open the flange cover 19 on the cleaning port 18 to mechanically clean the interior of the filter box 6, recycle collected carbon black impurities, effectively filter the tail gas passing through the vent valve 8, avoid blocking the tail gas, and simultaneously clean and replace the filter plate 7 in the filter box 6 without stopping the machine, and the cleanliness of the filter plate 7 has an automatic detection function.

Claims

1. The utility model provides an emergent emptying devices of tail gas, includes tail gas pipe (1) and sets up tail gas branch pipe (2) above that, its characterized in that: be provided with intake pipe (3) on tail gas branch pipe (2), high pressure positive blower (4) have been installed to intake pipe (3) one side, tail gas branch pipe (2) facial make-up is equipped with auxiliary branch pipe (5), rose box (6) have been installed with auxiliary branch pipe (5) gas outlet end in tail gas branch pipe (2), the built-in filter (7) that is equipped with of rose box (6), the filter (7) facial make-up is equipped with the ann and tears the mechanism open, blow-off valve (8) have been installed to rose box (6) one side, sealed butterfly valve (101) have been installed to rose box (6) opposite side, sealed butterfly valve (101) are installed respectively on tail gas branch pipe (2) and auxiliary branch pipe (5).

2. The tail gas emergency emptying device according to claim 1, characterized in that: the mounting and dismounting mechanism comprises a sealing cover (9), the sealing cover (9) is arranged on the filtering plate (7), a mounting and dismounting opening (10) is formed in the upper end of the filtering box (6), the sealing cover (9) is inserted into the mounting and dismounting opening (10), and the mounting and dismounting opening (10) is of a step structure.

3. The tail gas emergency emptying device according to claim 2, characterized in that: sealing washer (11) have been installed to sealed lid (9) bottom, be equipped with a plurality of screw hole (12) on sealed lid (9), ann tears mouthful (10) ladder edge open and is equipped with sealed annular (13) and a plurality of thread groove (14) respectively, sealing washer (11) are inserted and are established in sealed annular (13), screw hole (12) and thread groove (14) interpolation are equipped with fixing bolt (15), handle (16) have been installed to sealed lid (9) upper end.

4. The tail gas emergency emptying device according to claim 2, characterized in that: the filter box is characterized in that an insertion groove (17) is formed in the inner wall of the bottom end of the filter box (6), the bottom end of the filter plate (7) is inserted into the insertion groove (17), a cleaning opening (18) is formed in the side wall of the bottom end of the filter box (6), and a flange cover (19) is arranged on the cleaning opening (18).

5. The exhaust emergency evacuation device of claim 4, wherein: the air pressure alarm is characterized in that filter covers (20) are arranged on the outer walls of two sides of the filter plate (7), air pressure sensors (21) are arranged in the filter covers (20), controllers (22), storage batteries (23) and alarms (24) are arranged on the sealing covers (9), the output ends of the air pressure sensors (21) on two sides are arranged on the controllers (22), the power supply control ends of the alarms (24) are arranged on the controllers (22), and the air pressure sensors (21), the controllers (22) and the power supply ends of the alarms (24) are arranged on the storage batteries (23).