CN211358272U

CN211358272U - Waste gas collecting and treating device for quenching workshop

Info

Publication number: CN211358272U
Application number: CN201922241366.9U
Authority: CN
Inventors: 叶应安
Original assignee: Shiyan Changhao Industry And Trade Co ltd
Current assignee: Shiyan Changhao Industry And Trade Co ltd
Priority date: 2019-12-15
Filing date: 2019-12-15
Publication date: 2020-08-28
Anticipated expiration: 2029-12-15

Abstract

The utility model provides a waste gas collecting and treating device for a quenching workshop, which comprises a device body, a support plate, a blower, an air supply hole, an inlet pipe, a shower head, an air guide hole, a guide plate, an outlet pipe, a switch group, a bottom plate, a PLC (programmable logic controller), an alkaline liquor tank, a self-priming pump, a liquid outlet pipe, a nozzle, a chamber wall, a draught fan, a mounting rack, a motor, a spiral-flow plate, a liquid outlet pipe, a treating plate, an exhaust pipe and a solenoid valve, wherein the guide plate is fixed between two inner walls of the; the alkaline liquid tank is positioned at the side part of the self-sucking pump; the cyclone plate is arranged at the inner bottom of the chamber wall; the processing plate is fixed between the upper and lower parts of the chamber wall by screws. The utility model discloses the guide plate, the lye tank, the setting of handling board and whirl board, the waste water of production can derive automatically and totally quick, enables that the alkali lye water intensive mixing is better to waste gas reaction purification, and its process alkali lye can not bump everywhere and spill, realizes spouting the alkali lye that will fall again and makes the inter-liquid abundant contact of fine fog drip messenger, reaches the optimization with exhaust-gas treatment's effect.

Description

Waste gas collecting and treating device for quenching workshop

Technical Field

The utility model belongs to the technical field of quenching exhaust-gas treatment, especially, relate to a processing apparatus is collected to quenching workshop waste gas.

Background

With the great development of industry, both in the western world and in China, special processing of metal is an essential metal processing technology, namely quenching heat treatment. Accordingly, the environmental pollution caused by the waste gas of quenching heat treatment is increasingly prominent. In the process of quenching heat treatment, huge quenching heat treatment waste gas generated in the process of cooling a high-temperature workpiece in a medium, and a large amount of quenching heat treatment lampblack waste gas generated in quenching heat treatment generate pungent smell in workshop smoke and full oil, thereby bringing huge pollution to the air environment.

The invention discloses a heat treatment furnace waste gas treatment system with a Chinese patent publication number of CN 205576228U, which comprises a waste gas purification system, a quenching oil recovery system and a waste heat utilization system. The waste gas purification system comprises a gas guide hood, a purification and discharge device and a gas guide pipeline which are connected below the heat treatment furnace. The quenching oil recovery system comprises a recovery tank and a recovery pipeline communicated with the bottom of the gas guide pipeline and the recovery tank. The waste heat utilization system comprises a circulating water tank and a domestic heat supply system which are communicated into a loop through a pipeline, and the air guide pipeline is arranged in the circulating water tank. But the existing heat treatment furnace waste gas treatment system has the problems that waste gas cannot be well reacted and purified, products in the process cannot be effectively treated, manual treatment is inconvenient, the use is not environment-friendly, the waste gas treatment effect is not good, and the working requirement is not met.

Therefore, the invention is very necessary to invent a waste gas collecting and treating device for a quenching workshop.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a processing apparatus is collected to quenching workshop waste gas to solve current heat treatment furnace exhaust gas treatment system and having the reaction purification to waste gas that can not be fine, the unable effective processing of production thing of in-process, manual handling is inconvenient, uses not environmental protection, and exhaust-gas treatment's effect is not good, unsatisfied work needs's problem. A waste gas collecting and treating device for a quenching workshop comprises a device body, supporting plates, a blower, an air supply hole, a water inlet pipe, a shower head, an air guide hole, a guide plate, a water outlet pipe, a switch group, a bottom plate, a PLC (programmable logic controller), an alkaline liquid tank, a self-priming pump, a liquid outlet pipe, a nozzle, a chamber wall, an induced draft fan, a mounting frame, a motor, a rotational flow plate, a liquid discharge pipe, a treating plate, an exhaust pipe and a solenoid valve, wherein the two supporting plates are sequentially and integrally arranged on the outer side of the device body, the blower is mounted between the supporting plates through bolts, the air outlet part of the blower is positioned on the side part; one end of the water inlet pipe is positioned outside the device body, the other end of the water inlet pipe penetrates through the device body and is communicated with a shower head inside the device body, and a guide plate is arranged below the shower head; the guide plate is fixed between the two inner walls of the device body through screws, and the side part of the guide plate is a water outlet pipe which is communicated with the device body; the switch group is arranged on the lower surface of the device body through screws, and the device body is placed on the bottom plate through the base; the PLC controller, the alkaline liquid tank and the self-sucking pump are sequentially arranged on the upper part of the chamber wall through bolts, wherein the alkaline liquid tank is positioned on the side part of the self-sucking pump, and the interior of the alkaline liquid tank is communicated with the sucking part of the self-sucking pump; the discharge part of the self-priming pump is communicated with one end of a liquid outlet pipe, the other end of the liquid outlet pipe penetrates through the chamber wall and is fixed with the inner upper part of the liquid outlet pipe through a screw, and a nozzle is arranged on the liquid outlet pipe in a communicating manner; the induced draft fan is installed between two end parts of the chamber wall through bolts, and one side of the induced draft fan is provided with a gas-guiding hole which is arranged in the middle of the other side of the device body; the mounting frame is mounted at the bottom side of the chamber wall through bolts, one end of the mounting frame is fixed with the motor through bolts, and the working part of the motor is mounted with the rotational flow plate; the cyclone plate is arranged at the inner bottom of the chamber wall, and both sides of the cyclone plate are communicated with the liquid discharge pipe which is positioned outside the bottom of the chamber wall; the processing plate is fixed between the upper part and the lower part of the chamber wall through screws, wherein an exhaust pipe is communicated with the upper outer side of the chamber wall, and an electromagnetic valve is installed on the exhaust pipe through screws.

The guide plate is arranged in an inclined shape and is arranged in the device body, the water spraying part of the shower head is arranged above the guide plate, and the shower head adopts a model number of S25085-2C 01; the inclined bottom end of the guide plate is arranged at the part where the water outlet pipe is communicated with the inside of the device body.

The integral structure of the lye tank is made of stainless steel, and the lye tank structurally comprises a tank body, a rotating shaft, a mixing blade, a handle, an inlet pipe and a liquid guide pipe, wherein the inside of the tank body is a liquid mixed by lye and water; the lower end of the rotating shaft is arranged at the inner bottom of the box body through a bearing, and the upper end of the rotating shaft penetrates through the box body and is arranged with an external handle through a bolt; the mixing blades are provided with a plurality of mixing blades which are sequentially welded on the surface of the rotating shaft; the inlet pipe is arranged at the upper side part of the box body and communicated with the interior of the box body, the lower part of the side of the box body is communicated with a liquid guide pipe, and the other end of the liquid guide pipe is communicated with the pumping part of the self-priming pump.

The nozzle adopts two stainless steel rotary nozzles with the model number of XR155-SS, and the nozzles are sequentially arranged on the part of the liquid outlet pipe positioned in the chamber wall and communicated with the liquid outlet pipe, and the liquid outlet pipe is made of stainless steel materials.

The two processing plates are made of stainless steel and are respectively arranged between the upper part and the lower part of the chamber wall, a processing cavity is formed between the two processing plates, and one side of each processing plate is positioned at the air outlet part of the induced draft fan; the processing plate is sequentially provided with a plurality of through holes, a nozzle is arranged above the processing cavity, and a rotational flow plate is arranged below the processing cavity.

The whole rotational flow plate is made of stainless steel and structurally comprises a plate body, a transmission bearing and a rotary vane, wherein the transmission bearing is arranged in the middle of the circle center of the plate body; the transmission bearing is installed with the transmission part of the motor, and a plurality of rotary vanes are sequentially welded between the periphery of the round transmission bearing and the inner wall of the round plate body.

The PLC controller is of A model CPM1A-20CDR-A-V1 and is connected with an external power supply through A power line, an input terminal of the PLC controller is connected with A switch group through the power line, and A switch on the switch group is respectively connected with A blower, an induced draft fan, A self-priming pump, A motor and an electromagnetic valve through the power line; the output execution part of the PLC controller is respectively connected with the air feeder, the induced draft fan, the self-priming pump and the motor and the electromagnetic valve through signal lines, wherein the air feeder and the induced draft fan are both industrial centrifugal fans with the model of GY4-73, the self-priming pump is a stainless steel self-priming pump with the model of CYZ series, the motor is a high-speed single-phase motor with the model of YY7134, and the electromagnetic valve is FW-02.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses the waste water that produces after the oil gas composition is got rid of to waste gas water spray humidification through the setting of guide plate, can be automatic discharge under the effect of slope water conservancy diversion, do not need manual processing, and the clean quick of discharging, use the environmental protection.

2. The utility model discloses the setting of lye tank can stir lye and water, makes its abundant mixture to in the follow-up nozzle bump and spill, thereby more abundant messenger's alkali composition and waste gas reaction in with, carry out purification treatment to it, rational in infrastructure, the effect is showing.

3. The utility model discloses the setting of treatment plate forms the treatment of the waste gas of being convenient for more of process chamber, and can prevent that alkali lye from bumping everywhere and spilling, thereby the structure realizes that the slow business turn over waste gas reaction of waste gas handles the time longer, satisfies the needs.

4. The utility model discloses the setting of whirl board realizes that high-speed rotatory thick liquid that falls down the process chamber spouts into dozens of microns's fine fog drops again, makes the contact area sharply increase between the gas-liquid and makes its abundant contact, reaches the optimization with exhaust purification's effect, reaches the standard of emission.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the alkaline liquid tank of the present invention.

Fig. 3 is a schematic view of the structure of the whirl plate of the present invention.

Fig. 4 is a schematic view of the working principle of the present invention.

In the figure:

1-device body, 2-support plate, 3-blower, 4-air supply hole, 5-water inlet pipe, 6-shower head, 7-air guide hole, 8-guide plate, 9-water outlet pipe, 10-switch group, 11-bottom plate, 12-PLC controller, 13-lye tank, 131-box body, 132-rotating shaft, 133-mixing blade, 134-handle, 135-inlet pipe, 136-liquid guide pipe, 14-self-priming pump, 15-liquid outlet pipe, 16-nozzle, 17-chamber wall, 18-induced draft fan, 19-mounting rack, 20-motor, 21-swirl plate, 211-plate body, 212-drive bearing, 213-rotary blade, 22-liquid outlet pipe, 23-processing plate, 24-exhaust pipe and 25-electromagnetic valve.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1 to 4

The utility model provides a waste gas collecting and treating device for a quenching workshop, which comprises a device body 1, support plates 2, a blower 3, an air supply hole 4, a water inlet pipe 5, a shower head 6, an air guide hole 7, a guide plate 8, a water outlet pipe 9, a switch group 10, a bottom plate 11, a PLC (programmable logic controller) 12, an alkaline liquid tank 13, a self-priming pump 14, a liquid outlet pipe 15, a nozzle 16, a chamber wall 17, a draught fan 18, a mounting rack 19, a motor 20, a rotational flow plate 21, a liquid discharge pipe 22, a treatment plate 23, a gas discharge pipe 24 and a solenoid valve 25, wherein the two support plates 2 are sequentially and integrally arranged on the outer side of the device body 1, the blower 3 is installed between the support plates 2 through bolts, the air outlet part of the blower 3 is positioned on the side part of; one end of the water inlet pipe 5 is positioned outside the device body 1, the other end of the water inlet pipe penetrates through the device body 1 and is communicated with a shower head 6 in the device body 1, and a guide plate 8 is arranged below the shower head 6; the guide plate 8 is fixed between the two inner walls of the device body 1 through screws, the side part of the guide plate 8 is a water outlet pipe 9, and the water outlet pipe 9 is communicated with the device body 1; the switch group 10 is installed on the lower surface of the device body 1 through screws, and the device body 1 is placed on the bottom plate 11 through a base; the PLC 12, the alkaline liquid tank 13 and the self-sucking pump 14 are sequentially arranged on the upper part of the chamber wall 17 through bolts, wherein the alkaline liquid tank 13 is positioned on the side part of the self-sucking pump 14, and the interior of the alkaline liquid tank is communicated with the sucking part of the self-sucking pump 14; the discharge part of the self-priming pump 14 is communicated with one end of a liquid outlet pipe 15, the other end of the liquid outlet pipe 15 penetrates through a chamber wall 17 and is fixed with the inner upper part of the liquid outlet pipe through a screw, and a nozzle 16 is communicated and installed on the liquid outlet pipe 15; the induced draft fan 18 is arranged between two end parts of the chamber wall 17 through bolts, one side of the induced draft fan 18 is provided with a gas-guiding hole 7, and the gas-guiding hole 7 is arranged in the middle of the other side of the device body 1; the mounting frame 19 is mounted at the bottom side of the chamber wall 17 through bolts, one end of the mounting frame 19 is fixed with the motor 20 through bolts, and the working part of the motor 20 is mounted with the cyclone plate 21; the cyclone plate 21 is arranged at the inner bottom of the chamber wall 17, both sides of the cyclone plate 21 are communicated with the liquid discharge pipe 22, and the liquid discharge pipe 22 is positioned outside the bottom of the chamber wall 17; the processing plate 23 is fixed between the upper and lower parts of the chamber wall 17 by screws, wherein an exhaust pipe 24 is passed through the upper and outer sides of the chamber wall 17, and an electromagnetic valve 25 is mounted on the exhaust pipe 24 by screws.

The guide plate 8 is arranged in an inclined shape and is arranged in the device body 1, the water spraying part of the shower head 6 is arranged above the guide plate 8, and the shower head 6 adopts a model number of S25085-2C 01; the oblique bottom of guide plate 8 is established at the communicating position in outlet pipe 9 and device body 1 inside, and the waste water that produces after the oil gas composition is got rid of to waste gas water spray humidification through gondola water faucet 6 can be discharged automatically under the effect of slope water conservancy diversion, does not need manual processing, and the clean quick of discharging, uses the environmental protection.

The whole structure of the lye tank 13 is made of stainless steel, and the lye tank structurally comprises a tank body 131, a rotating shaft 132, a mixing blade 133, a handle 134, an inlet pipe 135 and a liquid guide pipe 136, wherein the liquid mixed with lye and water is arranged inside the tank body 131; the lower end of the rotating shaft 132 is mounted at the inner bottom of the box body 131 through a bearing, and the upper end of the rotating shaft 132 passes through the box body 131 and is mounted with an external handle 134 through a bolt; the mixing blades 133 are provided with a plurality of mixing blades and are sequentially welded on the surface of the rotating shaft 132; the inlet pipe 135 is arranged at the upper side part of the box body 131 and communicated with the inside of the box body 131, the lower part of the side of the box body 131 is communicated with a liquid guide pipe 136, the other end of the liquid guide pipe 136 is communicated with the pumping part of the self-priming pump 14, and can stir the alkali liquor and the water to fully mix the alkali liquor and the water so as to facilitate the subsequent collision and sprinkling of the nozzle 16, so that the alkali component and the waste gas are more fully reacted and neutralized to be purified, the structure is reasonable, and the effect is remarkable.

The nozzle 16 is a stainless steel rotary nozzle with two types of XR155-SS, and is sequentially arranged on the part of the liquid outlet pipe 15 in the chamber wall 17 and communicated with the liquid outlet pipe, the liquid outlet pipe 15 is made of stainless steel materials and can spray alkaline water mixed liquid in a rotary mode, so that the alkaline water mixed liquid can be in better contact with waste gas to generate neutralization reaction, the effect of treating and purifying the waste gas is achieved, the corrosion of alkaline water molecules is avoided, and the service life is long.

The two processing plates 23 are made of stainless steel and are respectively arranged between the upper part and the lower part of the chamber wall 17, a processing cavity is formed between the two processing plates 23, and one side of each processing plate 23 is positioned at the air outlet part of the induced draft fan 18; a plurality of through-holes have been seted up in proper order on the treatment board 23, and be nozzle 16 in the top of treatment chamber, its below is whirl board 21, forms the treatment of the waste gas of being convenient for more of treatment chamber, and can prevent that alkali lye from spilling everywhere, thereby the structure realizes that the slow business turn over waste gas reaction of waste gas handles the time longer, satisfies the needs.

The cyclone plate 21 is entirely made of stainless steel and structurally comprises a plate body 211, a transmission bearing 212 and a rotary vane 213, wherein the transmission bearing 212 is arranged in the middle of the circle center of the plate body 211; the transmission bearing 212 and the transmission part of the motor 20 are installed, and a plurality of rotary vanes 213 are sequentially welded between the periphery of the circular transmission bearing 212 and the inner wall of the circular plate body 211, so that slurry falling from the treatment cavity is re-sprayed into fine mist drops of dozens of micrometers by high-speed rotation, the contact area between gas and liquid is rapidly increased, the slurry is fully contacted, the effect of waste gas purification treatment is optimized, and the emission standard is met.

The PLC controller 12 is of A model CPM1A-20CDR-A-V1 and is connected with an external power supply through A power line, an input terminal of the PLC controller 12 is connected with A switch group 10 through the power line, and A switch on the switch group 10 is respectively connected with the air feeder 3, the induced draft fan 18, the self-priming pump 14, the motor 20 and the electromagnetic valve 25 through the power lines in sequence; the utility model discloses a PLC controller 12, including PLC controller 12, motor 20 and solenoid valve 25, wherein pressure fan 3 and draught fan 18 all adopt the model to be GY4-73 industrial centrifugal fan, self priming pump 14 adopts the model to be the stainless steel self priming pump of CYZ series, motor 20 adopts the model to be the high-speed single phase motor of YY7134, the model that solenoid valve 25 adopted is FW-02, the realization of each function of device of being convenient for, and the operation is simple, selected model controllability is strong, low power consumption, the demand that satisfies work that can be better.

Principle of operation

In the utility model, the worker places the device at a proper position in a workshop through a bottom plate 11, the blower 3 is positioned at the gas generated by quenching, then a proper external power supply is connected to electrify the device, an external water source is connected through a water inlet pipe 5, at the moment, the shower head 6 can rotatably enable water to be sprayed in the device body 1, when quenching is carried out, the blower 3 is opened through the switch group 10 to work, waste gas generated by quenching is collected and pumped into the device body 1, the sprayed water is used for carrying out primary treatment on the waste gas to remove oil gas components, waste water generated in the process can automatically flow into a water outlet pipe 9 under the action of a guide plate 8 and then is externally discharged, then the switch group 10 is opened a draught fan 18 to pump the waste gas after oil gas removal into a treatment cavity formed by a through hole on the treatment plate 23, because the setting process of the through hole on the treatment plate 23 can not lead the waste gas to have longer reaction treatment time too fast, then, the self-priming pump 14 and the motor 20 are opened to work, the alkali liquor mixed water in the alkali liquor tank 13 is guided into the nozzle 16 through the liquid outlet pipe 15, and the atomization and the collision are carried out on the treatment cavity, so that the alkali liquor reacts with harmful substances in the waste gas to realize the purification effect.

The motor 20 drives the rotational flow plate 21 to rotate, so that the rotary vane 213 rotates at a high speed to generate strong ascending airflow, and the dropped alkali liquor is sprayed into fine fog drops of dozens of micrometers again, so that the contact area between gas and liquid is increased rapidly, the waste gas purification treatment effect is optimized, and the national standard is reached. The liquid drops are driven by the airflow to rotate, the generated centrifugal force strengthens the contact between gas and liquid, and finally the liquid drops are thrown onto the processing plate 23, flow down to the parts of the two sides of the rotational flow plate 21 through the liquid discharge pipes 22 along the wall and are externally discharged. In the process, after the liquid in the alkaline liquid tank 13 is used up, the alkaline liquid and the water can be added through the inlet pipe 135, and the mixing blade 133 on the rotating shaft 132 is driven by rotating the handle 134 to stir the liquid so as to fully mix the liquid, thereby improving the subsequent treatment effect. After the waste gas treatment is finished, the electromagnetic valve 25 can be opened through the switch group 10, and the gas is discharged from the exhaust pipe 24, so that the working process is finished.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a processing apparatus is collected to quenching workshop waste gas which characterized in that: comprises a device body (1), a support plate (2), a blower (3), an air supply hole (4), a water inlet pipe (5), a shower head (6), an air guide hole (7), a guide plate (8), a water outlet pipe (9), a switch group (10), a bottom plate (11), a PLC (programmable logic controller) controller (12), an alkaline liquid tank (13), a self-priming pump (14), a liquid outlet pipe (15), a nozzle (16), a chamber wall (17), an induced draft fan (18), a mounting frame (19), a motor (20), a swirl plate (21), a liquid discharge pipe (22), a processing plate (23), an exhaust pipe (24) and an electromagnetic valve (25), two support plates (2) are sequentially and integrally arranged on the outer side of the device body (1), wherein, a blower (3) is arranged between the support plates (2) through bolts, the air outlet part of the blower (3) is positioned at the side part of the air supply hole (4), and the air supply hole (4) is arranged at the side middle part of the device body (1); one end of the water inlet pipe (5) is positioned outside the device body (1), the other end of the water inlet pipe penetrates through the device body (1) and is communicated with a shower head (6) in the device body, and a guide plate (8) is arranged below the shower head (6); the guide plate (8) is fixed between the two inner walls of the device body (1) through screws, the side part of the guide plate (8) is provided with a water outlet pipe (9), and the water outlet pipe (9) is communicated with the device body (1); the switch group (10) is installed on the lower surface of the device body (1) through screws, and the device body (1) is placed on the bottom plate (11) through the base; the PLC (12), the lye tank (13) and the self-sucking pump (14) are sequentially arranged on the upper part of the chamber wall (17) through bolts, wherein the lye tank (13) is positioned on the side part of the self-sucking pump (14), and the interior of the lye tank is communicated with the sucking part of the self-sucking pump (14); the discharge part of the self-priming pump (14) is communicated with one end of a liquid outlet pipe (15), the other end of the liquid outlet pipe (15) penetrates through a chamber wall (17) and is fixed with the inner upper part of the liquid outlet pipe through a screw, and a nozzle (16) is communicated and installed on the liquid outlet pipe (15); the induced draft fan (18) is installed between the two end parts of the chamber wall (17) through bolts, one side of the induced draft fan (18) is provided with an air guide hole (7), and the air guide hole (7) is formed in the middle of the other side of the device body (1); the mounting frame (19) is mounted at the bottom side of the chamber wall (17) through bolts, one end of the mounting frame (19) is fixed with the motor (20) through bolts, and the working part of the motor (20) is mounted with the cyclone plate (21); the cyclone plate (21) is arranged at the inner bottom of the chamber wall (17), both sides of the cyclone plate (21) are communicated with the liquid discharge pipe (22), and the liquid discharge pipe (22) is positioned outside the bottom of the chamber wall (17); the processing plate (23) is fixed between the upper part and the lower part of the chamber wall (17) through screws, wherein an exhaust pipe (24) is communicated with the upper outer side of the chamber wall (17), and an electromagnetic valve (25) is installed on the exhaust pipe (24) through screws.

2. The quenching plant exhaust gas collecting and treating device according to claim 1, characterized in that: the guide plate (8) is arranged in an inclined shape and is arranged in the device body (1), the water spraying part of the shower head (6) is arranged above the guide plate (8), and the shower head (6) adopts a model number of S25085-2C 01; the inclined bottom end of the guide plate (8) is arranged at the part where the water outlet pipe (9) is communicated with the inside of the device body (1).

3. The quenching plant exhaust gas collecting and treating device according to claim 1, characterized in that: the whole structure of the lye tank (13) is made of stainless steel, and the lye tank structurally comprises a tank body (131), a rotating shaft (132), a mixing blade (133), a handle (134), an inlet pipe (135) and a liquid guide pipe (136), wherein liquid mixed with lye and water is arranged in the tank body (131); the lower end of the rotating shaft (132) is mounted at the inner bottom of the box body (131) through a bearing, and the upper end of the rotating shaft (132) penetrates through the box body (131) and is mounted with an external handle (134) through a bolt; the mixing blades (133) are provided with a plurality of mixing blades and are sequentially welded on the surface of the rotating shaft (132); the inlet pipe (135) is arranged at the upper side part of the box body (131) and communicated with the inside of the box body, the lateral lower part of the box body (131) is communicated with a liquid guide pipe (136), and the other end of the liquid guide pipe (136) is communicated with the drawing part of the self-priming pump (14).

4. The quenching plant exhaust gas collecting and treating device according to claim 1, characterized in that: the nozzle (16) adopts two stainless steel rotary nozzles with the model number of XR155-SS, the two stainless steel rotary nozzles are sequentially arranged on the part of the liquid outlet pipe (15) positioned in the chamber wall (17) and communicated with the liquid outlet pipe, and the liquid outlet pipe (15) is made of stainless steel materials.

5. The quenching plant exhaust gas collecting and treating device according to claim 1, characterized in that: the two processing plates (23) are made of stainless steel and are respectively arranged between the upper part and the lower part of the chamber wall (17), a processing cavity is formed between the two processing plates (23), and one side of each processing plate (23) is positioned at the air outlet part of the induced draft fan (18); a plurality of through holes are sequentially formed in the processing plate (23), a nozzle (16) is arranged above the processing cavity, and a rotational flow plate (21) is arranged below the processing cavity.

6. The quenching plant exhaust gas collecting and treating device according to claim 1, characterized in that: the cyclone plate (21) is entirely made of stainless steel and structurally comprises a plate body (211), a transmission bearing (212) and a rotary vane (213), wherein the transmission bearing (212) is arranged in the middle of the circle center of the plate body (211); the transmission bearing (212) is installed with the transmission part of the motor (20), and a plurality of rotary vanes (213) are sequentially welded between the periphery of the round transmission bearing (212) and the inner wall of the round plate body (211).

7. The quenching plant exhaust gas collecting and treating device according to claim 1, characterized in that: the PLC controller (12) is of A CPM1A-20CDR-A-V1 model and is connected with an external power supply through A power line, an input terminal of the PLC controller (12) is connected with A switch group (10) through the power line, and A switch on the switch group (10) is connected with A blower (3), an induced draft fan (18), A self-priming pump (14), A motor (20) and an electromagnetic valve (25) sequentially through the power line; the utility model discloses a stainless steel self priming pump, including PLC controller (12), output execution position of PLC controller (12) respectively through signal line and forced draught blower (3), draught fan (18), self priming pump (14), motor (20) and solenoid valve (25) link to each other, and wherein forced draught blower (3) and draught fan (18) all adopt the model to be GY4-73 industry centrifugal fan, and self priming pump (14) adopt the model to be the stainless steel self priming pump of CYZ series, and motor (20) adopt the model to be YY 7134's high-speed single phase motor, and the model that solenoid valve (25) adopted is FW-02.