CN219724042U - Oven smoke exhaust pipe online cleaning system with water-gas separation function - Google Patents
Oven smoke exhaust pipe online cleaning system with water-gas separation function Download PDFInfo
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- CN219724042U CN219724042U CN202321319732.8U CN202321319732U CN219724042U CN 219724042 U CN219724042 U CN 219724042U CN 202321319732 U CN202321319732 U CN 202321319732U CN 219724042 U CN219724042 U CN 219724042U
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- 239000000779 smoke Substances 0.000 title claims abstract description 151
- 238000004140 cleaning Methods 0.000 title claims abstract description 91
- 238000000926 separation method Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 239000010865 sewage Substances 0.000 claims abstract description 68
- 239000003517 fume Substances 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims description 32
- 238000007599 discharging Methods 0.000 claims description 30
- 230000000007 visual effect Effects 0.000 claims description 13
- 238000007664 blowing Methods 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 238000005406 washing Methods 0.000 abstract 2
- 239000000428 dust Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006233 lamp black Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model provides a dry oven smoke exhaust pipe online cleaning system with water-gas separation function, including the house steward that discharges fume, the negative pressure tuber pipe, wash pipe and PLC controller, the front end shutoff of house steward that discharges fume, the rear end of house steward that discharges fume passes through the return bend with the front end of negative pressure tuber pipe and is connected, the rear end of negative pressure tuber pipe is connected with the external negative pressure fan in workshop, wash pipe hangs the setting at house steward inboard that discharges fume, the rear end of wash pipe is connected with outside water supply system, install the washing solenoid valve on the outside wash pipe of house steward that discharges fume, install a plurality of fan-shaped nozzle on the downside tube wall of the inside wash pipe of house steward that discharges fume, the downside of return bend is connected with water-gas separation device, the PLC controller sets up in workshop control room, the PLC controller is connected with washing solenoid valve and water-gas separation device signal respectively. The utility model can realize on-line regular cleaning of the smoke exhaust main pipe, effectively improve smoke exhaust effect, has the functions of fire control and extinguishment, is safe and reliable, and can also realize separation of sewage and oil smoke during cleaning of the smoke exhaust main pipe, thereby avoiding environmental pollution.
Description
Technical Field
The utility model relates to the technical field of oven pipeline cleaning, in particular to an oven smoke exhaust pipe online cleaning system with a water-gas separation function.
Background
The foaming of the artificial leather is carried out in a foaming furnace, namely in a baking oven, dust and lampblack can be generated in the baking oven during foaming, and a smoke exhausting device is usually arranged at the upper part of the baking oven in order to convey the dust and the lampblack in the baking oven out of a workshop. The inventor applies for a Chinese patent No. CN2023211565965 in 2023 and 15 in 05 month, and the utility model is named as an online cleaning safe smoke tube for a baking oven, which can realize online periodic cleaning of a smoke exhaust main, effectively improve smoke exhaust effect, prolong the service life of the smoke tube, and has the functions of fire control and extinguishment, safety and reliability. When the online-cleanable safety smoke tube for the oven regularly cleans the smoke exhaust main pipe, cleaned oil dirt and dust flow backwards along the smoke exhaust main pipe along with water and are discharged through the drainage holes, however, we find that the online-cleanable safety smoke tube for the oven still has the defects: the aperture of the drain hole should be set smaller to avoid that the smoke exhausting effect of the negative pressure fan cannot meet the requirement, however, if the drain hole is smaller, the drain hole is possibly blocked by dirt, so that sewage is difficult to drain and flows to the negative pressure fan along the negative pressure air pipe, the normal work of the negative pressure fan is affected, and moreover, the sewage is directly drained through the drain hole, if the sewage is not treated, the environment pollution can be caused.
Therefore, aiming at the technical problems, an online cleaning system for the oven smoke exhaust pipe with a water-gas separation function is provided.
Disclosure of Invention
The utility model aims to provide an on-line cleaning system for a smoke exhaust pipe of an oven with a water-gas separation function, which can realize on-line periodic cleaning of a smoke exhaust main pipe, effectively improve smoke exhaust effect, prolong the service life of the smoke pipe, has a fire-fighting and fire-extinguishing function, is safe and reliable, can realize separation of sewage and oil smoke during cleaning of the smoke exhaust main pipe, ensures the smoke exhaust effect of a negative pressure fan, effectively treats sewage and avoids environmental pollution.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an on-line cleaning system for a smoke exhaust pipe of an oven with a water-gas separation function comprises a smoke exhaust main pipe, a negative pressure air pipe, cleaning pipes and a PLC (programmable logic controller), wherein the smoke exhaust main pipe is arranged above the oven along the front-rear direction, a plurality of groups of smoke exhaust branch pipes communicated with the smoke exhaust main pipe are axially arranged on the smoke exhaust main pipe at intervals, each group of smoke exhaust branch pipes comprises two smoke exhaust branch pipes which are radially symmetrically arranged on two sides of the smoke exhaust main pipe, the lower ends of the smoke exhaust branch pipes are communicated with the oven, the smoke exhaust branch pipes and the smoke exhaust main pipe form an obtuse angle along the smoke exhaust direction, the smoke exhaust main pipe is arranged at a front-back low inclination, the negative pressure air pipe is arranged at the rear of the smoke exhaust main pipe at a front-back high inclination, the front end of the smoke exhaust main pipe is blocked, the rear end of the smoke exhaust main pipe is connected with the front end of the negative pressure air pipe through a bent pipe, and the bent pipe is downwards in the middle, the rear end of the negative pressure air pipe is connected with a negative pressure fan outside a workshop, the cleaning pipe is hung on the upper side part in the smoke exhaust main pipe along the axial direction of the smoke exhaust main pipe, the front end of the cleaning pipe extends into the front end part in the smoke exhaust main pipe and is plugged, the rear end of the cleaning pipe extends to the rear end part of the smoke exhaust main pipe and penetrates out of the smoke exhaust main pipe, the rear end of the cleaning pipe is connected with an external water supply system, a cleaning electromagnetic valve is arranged on the cleaning pipe outside the smoke exhaust main pipe, a plurality of fan-shaped nozzles which spray towards the lower side part of the inner pipe wall of the smoke exhaust main pipe are arranged on the lower side pipe wall of the cleaning pipe in the smoke exhaust main pipe along the axial interval, the lower side part of the bent pipe is connected with a water-gas separation device, the PLC is arranged in a workshop control chamber, and the PLC is respectively connected with the cleaning electromagnetic valve and the water-gas separation device through signals.
The inner cavity of the oven is evenly divided into six subareas from front to back, a safety port is arranged on the upper part of a smoke exhaust main pipe arranged between a third area and a fourth area from front to back, fireproof cloth is covered and pressed on the upper end of the safety port through a flange plate, a temperature sensor is arranged on the upper side part of the inner pipe wall of the smoke exhaust main pipe, an audible and visual alarm is further arranged in a workshop control chamber, and a PLC (programmable logic controller) is respectively connected with the temperature sensor and the audible and visual alarm through signals.
The upper side part of the inner pipe wall of the smoke exhaust main pipe is provided with a plurality of hanging plates with mounting holes along the axial direction at intervals, the hanging plates are vertically arranged along the left-right direction, the cleaning pipe penetrates through the mounting holes on each hanging plate and is fixedly connected with each hanging plate, each or two or three fan-shaped nozzles are in a group, each group of fan-shaped nozzles and each group of smoke exhaust branch pipes are arranged in a staggered mode at intervals front and back, each group of fan-shaped nozzles are respectively and correspondingly positioned on the front side of each corresponding group of smoke exhaust branch pipes, and the spraying direction of the fan-shaped nozzles is from front up to back down.
The cleaning pipe outside the smoke exhaust main pipe is also connected with a high-pressure air pipe positioned at the front side of the cleaning electromagnetic valve, the high-pressure air pipe is provided with a blowing electromagnetic valve, and the PLC is in signal connection with the blowing electromagnetic valve.
The water-gas separation device comprises a water tank, the water tank is arranged below the bent pipe, the middle part of the lower side of the bent pipe is fixedly connected with a sewage pipe which is vertically arranged, the lower end of the sewage pipe penetrates through a top plate of the water tank and stretches into the lower part in the water tank, a sewage electromagnetic valve which is used for switching on and off the sewage pipe is arranged on the sewage pipe outside the upper part of the water tank, a conical cylinder which is large in upper part and small in lower part is integrally formed at the lower end of the water tank, a slag discharging pipe is coaxially connected at the lower end of the conical cylinder, a manual valve which is used for switching on and off the slag discharging pipe is arranged on the slag discharging pipe, a drain pipe which is horizontally arranged is connected at the bottom of the side wall of the water tank, a drain electromagnetic valve which is used for switching on and off the drain pipe is arranged on the drain pipe, an upper liquid level sensor is arranged at the upper part in the water tank, a lower liquid level sensor is arranged at the lower part in the water tank, and a PLC is respectively connected with the sewage electromagnetic valve, the drain electromagnetic valve, the upper liquid level sensor and the lower liquid level sensor through signals.
The top plate of the water tank is connected with an overflow pipe, and the other end of the overflow pipe is vertically downwards arranged and connected to a drain pipe between the drain electromagnetic valve and the water outlet end of the drain pipe.
The negative pressure air pipe is provided with a drying box and a purifier at intervals from front to back, an upper liquid level sensor is arranged on the upper side part of the outer pipe wall of the sewage pipe in the water tank, a lower liquid level sensor is arranged on the lower end part of the outer pipe wall of the sewage pipe in the water tank, and filter screens are arranged at the water inlet ends of the drain pipe and the overflow pipe.
Compared with the prior art, the utility model has substantial characteristics and progress, and specifically, the working principle of the utility model is as follows: at first, the sewage electromagnetic valve, the drainage electromagnetic valve and the manual valve are all in a closed state, during normal smoke discharging, the negative pressure fan works to continuously suck the oil smoke generated in the oven through the negative pressure air pipe, the smoke discharging main pipe and each smoke discharging branch pipe, the oil smoke is dried from front to back through the drying box and purified through the negative pressure fan and then directly discharged to the outside of a workshop, the PLC controls the cleaning electromagnetic valve and the sewage electromagnetic valve to be opened periodically, the air blowing electromagnetic valve is kept in a closed state when the cleaning electromagnetic valve and the sewage electromagnetic valve are opened, the water supply system supplies water to the cleaning pipe periodically, then each fan-shaped nozzle on the cleaning pipe periodically sprays water to clean the lower side part of the inner pipe wall of the smoke discharging main pipe, the greasy dirt and dust attached to the lower side part of the inner pipe wall of the smoke discharging main pipe are cleaned and washed away backwards, and the sewage generated in the smoke discharging main pipe flows to the bent pipe from front to back along the smoke discharging main pipe and enters the water tank through the sewage pipe, separation of the sewage and the oil smoke discharging main pipe is realized, the inside of the smoke discharging main pipe is cooled, the smoke discharging effect is effectively improved, and the service life is prolonged; meanwhile, in order to avoid the blockage of each fan-shaped nozzle, after each cleaning, the PLC controls the air blowing electromagnetic valve to be opened, the high-pressure air pipe conveys high-pressure air into the cleaning pipe, the high-pressure air is sprayed out through each fan-shaped nozzle, the cleaning pipe and each fan-shaped nozzle are ventilated frequently, and the cleaning work can be normally carried out; when the fire in the smoke exhaust main pipe is caught, the temperature sensor monitors that the internal temperature of the smoke exhaust main pipe rises to a certain value, the temperature sensor sends a monitoring signal to the PLC, the PLC controls the audible and visual alarm to send out an audible and visual alarm signal, the negative pressure fan is turned off, the PLC simultaneously controls the cleaning electromagnetic valve to be opened, the water supply system supplies water to the cleaning pipe, all fan-shaped nozzles on the cleaning pipe spray water downwards to extinguish fire, workers know the fire condition in the smoke exhaust main pipe through the audible and visual alarm signal, the fire-fighting water pipe is arranged in emergency, if water sprayed from all fan-shaped nozzles on the cleaning pipe can extinguish the fire in the smoke exhaust main pipe, fire-fighting water at the safety port (airtight) is not spread, the fire-fighting water pipe is not used, if the water sprayed from all fan-shaped nozzles on the cleaning pipe can not extinguish the fire in the smoke exhaust main pipe, the internal pressure of the smoke exhaust main pipe rises, the fire-fighting water pipe is spread, the workers face the water outlet end of the fire-fighting water pipe to the safety port, and the fire-fighting water pipe is filled into the smoke main pipe through the safety port to extinguish the large-scale, and safety is ensured;
after sewage enters the water tank, the water level in the water tank continuously rises, solid particles such as oil residues in the sewage are deposited downwards into the conical cylinder, when the water level in the water tank is higher than the upper end of the sewage pipe, the lower end of the sewage pipe can be sealed with water, oil smoke is prevented from flowing downwards along the sewage pipe, the negative pressure fan is prevented from sucking air in the water tank, the smoke exhausting effect of the negative pressure fan is ensured, when the water level in the water tank reaches the position of the upper liquid level sensor, the upper liquid level sensor transmits a monitored water level signal to the PLC controller, the PLC controller controls the water draining electromagnetic valve to be opened, the sewage in the water tank is discharged through the water draining pipe, the water level in the water tank begins to fall, when the water level in the water tank falls to the position of the lower liquid level sensor, the PLC controller controls the water draining electromagnetic valve to be closed, if the upper liquid level sensor fails, the water level in the water tank is higher than the upper liquid level sensor, the water level sensor is continuously rising, the water tank is full of the sewage, and the sewage is prevented from overflowing upwards along the sewage pipe to the bent pipe and even being blocked in the air pipe and the negative pressure main pipe through the overflow pipe; when the cleaning electromagnetic valve and the sewage electromagnetic valve are closed, the fan-shaped nozzles stop spraying water to clean the greasy dirt attached to the inner wall of the smoke exhaust main pipe, the water exhaust electromagnetic valve is opened through the PLC controller, after the sewage in the water tank is basically discharged through the water exhaust pipe, the manual valve is opened, and solid particles such as oil residues deposited at the bottom in the conical barrel are discharged from the slag discharge pipe, so that the sewage is effectively treated, and environmental pollution is avoided.
In conclusion, the utility model can realize on-line periodic cleaning of the smoke exhaust main pipe, effectively improve the smoke exhaust effect, prolong the service life of the smoke pipe, has the functions of fire fighting and fire extinguishing, is safe and reliable, also realizes the separation of sewage and oil smoke during cleaning of the smoke exhaust main pipe, ensures the smoke exhaust effect of the negative pressure fan, effectively treats the sewage and avoids environmental pollution.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is a schematic view of the injection of the fan nozzle of the present utility model into the exhaust manifold.
Fig. 4 is a partial enlarged view at a in fig. 1.
Fig. 5 is a schematic diagram of the connection structure of the smoke exhaust main pipe, the negative pressure air pipe, the negative pressure fan and the water-air separation device.
Fig. 6 is a control schematic block diagram of the present utility model.
Detailed Description
Embodiments of the present utility model are further described below with reference to the accompanying drawings.
As shown in fig. 1-6, the online cleaning system of the oven smoke exhaust pipe with the water-gas separation function comprises a smoke exhaust main pipe 1, a negative pressure air pipe 2, a water tank 3, a cleaning pipe 19 and a PLC (programmable logic controller) 5, wherein the smoke exhaust main pipe 1 is arranged above an oven 20 along the front-back direction, a plurality of groups of smoke exhaust branch pipes 21 communicated with the smoke exhaust main pipe 1 are axially arranged on the smoke exhaust main pipe 1 at intervals, each group of smoke exhaust branch pipes 21 comprises two smoke exhaust branch pipes 21 which are radially symmetrically arranged on two sides of the smoke exhaust main pipe 1, the lower ends of the smoke exhaust branch pipes 21 are communicated with the oven 20, the smoke exhaust branch pipes 21 and the smoke exhaust main pipe 1 form an obtuse angle along the smoke exhaust direction, the smoke exhaust main pipe 1 is arranged in a front-back low inclined manner, the front-back negative pressure air pipe 2 is arranged behind the smoke exhaust main pipe 1 in a front-back inclined manner, the front end of the smoke exhaust main pipe 1 is blocked, the rear end of the smoke exhaust main pipe 1 is connected with a bent pipe 6 with the front end of the negative pressure air pipe 2 through a middle part which is bent downwards, the rear end of the negative pressure air pipe 2 is connected with a negative pressure fan 4 outside a workshop, a cleaning pipe 19 is suspended and arranged on the inner upper side part of the smoke exhaust main pipe 1 along the axial direction of the smoke exhaust main pipe 1, the front end of the cleaning pipe extends into the front end part of the smoke exhaust main pipe 1 and is plugged, the rear end of the cleaning pipe 19 extends to the rear end part of the smoke exhaust main pipe 1 and penetrates out of the smoke exhaust main pipe 1, the rear end of the cleaning pipe 19 is connected with an external water supply system, a cleaning electromagnetic valve 22 is arranged on the cleaning pipe 19 outside the smoke exhaust main pipe 1, a plurality of fan-shaped nozzles 23 which spray towards the lower side part of the inner pipe wall of the smoke exhaust main pipe 1 are arranged on the lower side pipe wall of the cleaning pipe 19 along the axial direction at intervals, a water-gas separation device is connected to the lower side part of the bent pipe, a PLC (programmable logic controller) 5) is arranged in a workshop control chamber, and the PLC (programmable logic controller) 5) is respectively connected with the cleaning electromagnetic valve 22 and the water-gas separation device in a signal mode.
The inner cavity of the oven 20 is evenly divided into six subareas from front to back, a safety port 24 is arranged at the upper part of the smoke exhaust main pipe 1 at the upper part between a third area and a fourth area from front to back, fireproof cloth 26 is covered and pressed at the upper end of the safety port 24 through a flange plate 25, a temperature sensor 27 is arranged at the upper side part of the inner pipe wall of the smoke exhaust main pipe 1, an audible and visual alarm 28 is further arranged in a workshop control chamber, and a PLC (programmable logic controller) 5 is respectively connected with the temperature sensor 27 and the audible and visual alarm 28 through signals.
The upper side part of the inner pipe wall of the smoke exhaust main pipe 1 is provided with a plurality of hanging plates 29 with mounting holes along the axial direction at intervals, the hanging plates 29 are vertically arranged along the left-right direction, the cleaning pipe 19 passes through the mounting holes on each hanging plate 29 and is fixedly connected with each hanging plate 29, each or two or three fan-shaped nozzles 23 are in a group, each group of fan-shaped nozzles 23 and each group of smoke exhaust branch pipes 21 are arranged in a staggered mode at intervals front and back, each group of fan-shaped nozzles 23 are respectively and correspondingly positioned at the front side of each corresponding group of smoke exhaust branch pipes 21, and the spraying direction of the fan-shaped nozzles 23 is from front to back to lower.
The cleaning pipe 19 outside the smoke exhaust main pipe 1 is also connected with a high-pressure air pipe positioned at the front side of the cleaning electromagnetic valve 22, the high-pressure air pipe is provided with an air blowing electromagnetic valve 30, and the PLC controller 5 is in signal connection with the air blowing electromagnetic valve 30.
The water-gas separation device comprises a water tank 3, the water tank 3 is arranged below a bent pipe 6, a sewage pipe 7 which is vertically arranged is fixedly connected to the middle part of the lower side of the bent pipe 6, the lower end of the sewage pipe 7 penetrates through a top plate of the water tank 3 and stretches into the lower part in the water tank 3, a sewage electromagnetic valve 8 which is used for switching on and off the sewage pipe 7 is arranged on the sewage pipe 7 outside the upper part of the water tank 3, a conical cylinder 9 which is large in upper part and small in lower part is integrally formed at the lower end of the water tank 3, a slag discharging pipe 10 is coaxially connected to the lower end of the conical cylinder 9, a manual valve 11 which is used for switching on and off the slag discharging pipe 10 is arranged on the slag discharging pipe 10, a drain pipe 12 which is horizontally arranged is connected to the bottom of the side wall of the water tank 3, a drain electromagnetic valve 13 which is used for switching on and off the drain pipe 12 is arranged on the drain pipe 12, an upper liquid level sensor 14 is arranged on the upper part in the water tank 3, a lower liquid level sensor 15 is arranged on the lower part in the water tank 3, and the PLC 5 is respectively in signal connection with the sewage electromagnetic valve 8, the drain electromagnetic valve 13, the drain electromagnetic valve 14, the upper liquid level sensor 14 and the upper liquid level sensor 15.
The top plate of the water tank 3 is connected with an overflow pipe 16, and the other end of the overflow pipe 16 is vertically arranged downwards and connected to the drain pipe 12 between the drain solenoid valve 13 and the water outlet end of the drain pipe 12.
The negative pressure air pipe 2 is provided with a drying box 17 and a purifier 18 at intervals from front to back.
The upper liquid level sensor 14 is arranged on the upper side part of the outer pipe wall of the sewage pipe 7 in the water tank 3, and the lower liquid level sensor 15 is arranged on the lower end part of the outer pipe wall of the sewage pipe 7 in the water tank 3.
The water inlet ends of the drain pipe 12 and the overflow pipe 16 are provided with filter screens. The filter screen is used to filter the sewage passing through the drain pipe 12 and the overflow pipe 16.
The mounting holes, high pressure air pipes and filter screens are not shown in the figures.
The negative pressure fan 4, the PLC controller 5, the water supply system, the cleaning electromagnetic valve 22, the fan-shaped nozzle 23, the fireproof cloth 26, the temperature sensor 27, the audible and visual alarm 28, the air blowing electromagnetic valve 30, the sewage electromagnetic valve 8, the drainage electromagnetic valve 13, the manual valve 11, the upper liquid level sensor 14, the lower liquid level sensor 15, the drying box 17 and the purifier 18 are all conventional technologies, specific structures and working principles are not repeated, and the control technology in the utility model is conventional control and does not relate to a new computer program.
The working principle of the utility model is as follows: at first, the sewage electromagnetic valve 8, the drainage electromagnetic valve 13 and the manual valve 11 are all in a closed state, during normal smoke discharging, the negative pressure fan 4 continuously pumps the oil smoke generated in the oven 20 through the negative pressure air pipe 2, the smoke discharging main pipe 1 and each smoke discharging branch pipe 21, the oil smoke is dried from front to back through the drying box 17, the purifier 18 is purified and then is directly discharged out of a workshop through the negative pressure fan 4, the PLC controller 5 controls the cleaning electromagnetic valve 22 and the sewage electromagnetic valve to be periodically opened, when the cleaning electromagnetic valve 22 and the sewage electromagnetic valve are opened, the air blowing electromagnetic valve 30 is kept in a closed state, the water supply system periodically supplies water to the cleaning pipe 19, then all fan-shaped nozzles 23 on the cleaning pipe 19 periodically spray water to clean the lower side part of the inner pipe wall of the smoke discharging main pipe 1, oil dirt and dust attached to the lower side part of the inner pipe wall of the smoke discharging main pipe 1 are cleaned and washed away backward, and sewage generated by cleaning the dust in the smoke discharging main pipe 1 flows from front to the elbow pipe 6 from front to back along the smoke discharging main pipe 1 and enters the water tank 3 through the sewage pipe, separation of the oil dirt and the oil dirt is realized, the inside the smoke discharging main pipe 1 is effectively cooled, and the service life of the smoke discharging main pipe is effectively improved; meanwhile, in order to avoid the blockage of each fan-shaped nozzle 23, after each cleaning, the PLC 5 controls the air blowing electromagnetic valve 30 to be opened, so that the high-pressure air pipe conveys high-pressure air into the cleaning pipe 19, the high-pressure air is sprayed out through each fan-shaped nozzle 23, the cleaning pipe 19 and each fan-shaped nozzle 23 are always ventilated, and the cleaning work can be normally carried out; when the temperature sensor 27 monitors that the internal temperature of the smoke exhaust main pipe 1 rises to a certain value when the temperature sensor 27 sends a monitoring signal to the PLC controller 5 when the internal temperature of the smoke exhaust main pipe 1 catches fire, the PLC controller 5 controls the audible and visual alarm 28 to send out an audible and visual alarm signal, the negative pressure fan is stopped, the PLC controller 5 simultaneously controls the cleaning electromagnetic valve 22 to be opened, the water supply system supplies water to the cleaning pipe 19, each fan-shaped nozzle 23 on the cleaning pipe 19 sprays water downwards to extinguish fire, workers know the condition of catching fire in the smoke exhaust main pipe 1 through the audible and visual alarm signal, the fire-fighting water pipe is arranged in emergency mode, if the water sprayed from each fan-shaped nozzle 23 on the cleaning pipe 19 can extinguish the fire in the smoke exhaust main pipe 1, the fire prevention cloth 26 (airtight) at the safety opening 24 is not required to be kept on standby by the fire-fighting water pipe, if the water sprayed from each fan-shaped nozzle 23 on the cleaning pipe 19 cannot extinguish the fire in the smoke exhaust main pipe 1, the internal pressure of the smoke exhaust main pipe 1 rises, the fire prevention cloth 26 is spread by the workers, the water outlet end safety opening 24 of the fire-fighting water pipe faces the fire-fighting water pipe, and the fire-fighting water pipe is enabled to be filled into the fire main pipe through the safety opening 24 to ensure that the fire safety is carried out;
after sewage enters the water tank 3, the water level in the water tank 3 continuously rises, solid particles such as oil residues in the sewage are deposited downwards into the conical cylinder 9, when the water level in the water tank 3 is higher than the upper end of the sewage pipe 7, a water seal can be formed at the lower end of the sewage pipe 7, so that oil smoke is prevented from going downwards along the sewage pipe 7, the negative pressure fan 4 is prevented from sucking air in the water tank 3, the fume pumping effect of the negative pressure fan 4 is ensured, when the water level in the water tank 3 reaches the position of the upper liquid level sensor 14, the upper liquid level sensor 14 transmits a monitored water level signal to the PLC controller 5, the PLC controller 5 controls the water draining electromagnetic valve 13 to be opened, the sewage in the water tank 3 is discharged through the drain pipe 12, the water level in the water tank 3 begins to descend, when the water level in the water tank 3 is lowered to the position of the lower liquid level sensor 15, the lower liquid level sensor 15 transmits the monitored water level signal to the PLC controller 5, the PLC controller 5 controls the water draining electromagnetic valve 13 to be closed, if the upper liquid level sensor 14 fails, and the upper liquid level sensor 14 cannot normally work, the sewage in the water tank 3 is higher than the upper liquid level sensor 14, the sewage is fully filled in the water tank 3, the drain pipe 3 is prevented from being overflowed into the drain pipe 1, and even the drain pipe 1 is prevented from being overflowed to the drain pipe 16, and the drain pipe 1; when the cleaning electromagnetic valve 22 and the sewage electromagnetic valve are closed, the fan-shaped nozzles 23 stop spraying water to clean the greasy dirt attached to the inner wall of the smoke exhaust main pipe 1, the water discharge electromagnetic valve 13 is opened through the PLC 5, after the sewage in the water tank 3 is basically discharged through the water discharge pipe 12, the manual valve 11 is opened, and solid particles such as oil residues deposited at the bottom in the conical barrel 9 are discharged from the slag discharge pipe 10, so that the sewage is effectively treated, and environmental pollution is avoided.
The above embodiments are merely for illustrating the technical aspects of the present utility model, and it should be understood by those skilled in the art that the present utility model is described in detail with reference to the above embodiments; modifications and equivalents may be made thereto without departing from the spirit and scope of the utility model, which is intended to be encompassed by the claims.
Claims (7)
1. Oven smoke tube online cleaning system with water-gas separation function, including discharging fume house steward and negative pressure tuber pipe, the oven top is arranged in along the fore-and-aft direction to the house steward that discharges fume, is provided with a plurality of groups along the axial interval and is responsible for rather than the exhaust fume of intercommunication on the house steward that discharges fume, every group is responsible for including radial symmetry setting up two exhaust fume of house steward both sides and is responsible for, the lower extreme intercommunication of being responsible for of discharging fume is on the oven, and exhaust fume is responsible for the pipe and is responsible for the obtuse angle setting with the house steward that discharges fume along the exhaust fume emission direction, and the high back slope setting of house steward that discharges fume, the high back slope setting in the rear of house steward that discharges fume before the negative pressure tuber pipe, the front end shutoff of house steward that discharges fume, its characterized in that: the cleaning device comprises a smoke exhaust main pipe, and is characterized by further comprising a cleaning pipe and a PLC, wherein the rear end of the smoke exhaust main pipe is connected with the front end of the negative pressure air pipe through a bent pipe with the middle part bent downwards, the rear end of the negative pressure air pipe is connected with a negative pressure fan outside a workshop, the cleaning pipe is hung on the inner upper side part of the smoke exhaust main pipe along the axial direction of the smoke exhaust main pipe, the front end of the cleaning pipe stretches into the inner front end part of the smoke exhaust main pipe and is plugged, the rear end of the cleaning pipe extends to the rear end part of the smoke exhaust main pipe and penetrates out of the smoke exhaust main pipe, the rear end of the cleaning pipe is connected with an external water supply system, a cleaning electromagnetic valve is arranged on the cleaning pipe outside the smoke exhaust main pipe, a plurality of fan-shaped nozzles which spray towards the lower side part of the inner pipe wall of the smoke exhaust main pipe are arranged on the lower side pipe wall of the cleaning pipe at intervals along the axial direction, the lower side part of the bent pipe is connected with a water-gas separation device, the PLC is arranged in a workshop control chamber, and is respectively connected with the cleaning electromagnetic valve and the water-gas separation device through signals.
2. The oven fume pipe on-line cleaning system with water-gas separation function according to claim 1, wherein: the inner cavity of the oven is evenly divided into six subareas from front to back, a safety port is arranged on the upper part of a smoke exhaust main pipe arranged between a third area and a fourth area from front to back, fireproof cloth is covered and pressed on the upper end of the safety port through a flange plate, a temperature sensor is arranged on the upper side part of the inner pipe wall of the smoke exhaust main pipe, an audible and visual alarm is further arranged in a workshop control chamber, and a PLC (programmable logic controller) is respectively connected with the temperature sensor and the audible and visual alarm through signals.
3. The oven fume pipe on-line cleaning system with water-gas separation function according to claim 1, wherein: the upper side part of the inner pipe wall of the smoke exhaust main pipe is provided with a plurality of hanging plates with mounting holes along the axial direction at intervals, the hanging plates are vertically arranged along the left-right direction, the cleaning pipe penetrates through the mounting holes on each hanging plate and is fixedly connected with each hanging plate, each or two or three fan-shaped nozzles are in a group, each group of fan-shaped nozzles and each group of smoke exhaust branch pipes are arranged in a staggered mode at intervals front and back, each group of fan-shaped nozzles are respectively and correspondingly positioned on the front side of each corresponding group of smoke exhaust branch pipes, and the spraying direction of the fan-shaped nozzles is from front up to back down.
4. The oven fume pipe on-line cleaning system with water-gas separation function according to claim 1, wherein: the cleaning pipe outside the smoke exhaust main pipe is also connected with a high-pressure air pipe positioned at the front side of the cleaning electromagnetic valve, the high-pressure air pipe is provided with a blowing electromagnetic valve, and the PLC is in signal connection with the blowing electromagnetic valve.
5. The oven fume pipe on-line cleaning system with water-gas separation function according to claim 1, wherein: the water-gas separation device comprises a water tank, the water tank is arranged below the bent pipe, the middle part of the lower side of the bent pipe is fixedly connected with a sewage pipe which is vertically arranged, the lower end of the sewage pipe penetrates through a top plate of the water tank and stretches into the lower part in the water tank, a sewage electromagnetic valve which is used for switching on and off the sewage pipe is arranged on the sewage pipe outside the upper part of the water tank, a conical cylinder which is large in upper part and small in lower part is integrally formed at the lower end of the water tank, a slag discharging pipe is coaxially connected at the lower end of the conical cylinder, a manual valve which is used for switching on and off the slag discharging pipe is arranged on the slag discharging pipe, a drain pipe which is horizontally arranged is connected at the bottom of the side wall of the water tank, a drain electromagnetic valve which is used for switching on and off the drain pipe is arranged on the drain pipe, an upper liquid level sensor is arranged at the upper part in the water tank, a lower liquid level sensor is arranged at the lower part in the water tank, and a PLC is respectively connected with the sewage electromagnetic valve, the drain electromagnetic valve, the upper liquid level sensor and the lower liquid level sensor through signals.
6. The online cleaning system for an oven fume pipe with water-gas separation function according to claim 5, wherein: the top plate of the water tank is connected with an overflow pipe, and the other end of the overflow pipe is vertically downwards arranged and connected to a drain pipe between the drain electromagnetic valve and the water outlet end of the drain pipe.
7. The online cleaning system for an oven fume pipe with water-gas separation function according to claim 5, wherein: the negative pressure air pipe is provided with a drying box and a purifier at intervals from front to back, an upper liquid level sensor is arranged on the upper side part of the outer pipe wall of the sewage pipe in the water tank, a lower liquid level sensor is arranged on the lower end part of the outer pipe wall of the sewage pipe in the water tank, and filter screens are arranged at the water inlet ends of the drain pipe and the overflow pipe.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117723247A (en) * | 2024-02-18 | 2024-03-19 | 安徽省交通控股集团有限公司 | Anti-seismic performance detection device for highway pile plate type structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117723247A (en) * | 2024-02-18 | 2024-03-19 | 安徽省交通控股集团有限公司 | Anti-seismic performance detection device for highway pile plate type structure |
| CN117723247B (en) * | 2024-02-18 | 2024-04-16 | 安徽省交通控股集团有限公司 | Anti-seismic performance detection device for highway pile plate type structure |
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