Intelligent deep treatment device for harmful waste gas
Technical Field
The invention relates to the technical field of environment-friendly equipment, in particular to an intelligent harmful waste gas advanced treatment device.
Background
Along with the development of society, industrial waste gas is more and more polluted, for example, waste gas discharged by industries such as ores, chemical industry and the like contains a large amount of dust and toxic substances, which cause great threat to the health of people, and along with the requirement of people on the environmental quality, the requirement on waste gas purification treatment equipment in industrial production or daily life is more and more strict; the waste gas purification mainly refers to the treatment of industrial waste gas generated in industrial places, such as dust particles, smoke and dust, peculiar smell gas and toxic and harmful gas. Common waste gas purification includes factory smoke waste gas purification, workshop dust waste gas purification, organic waste gas purification, waste gas peculiar smell purification, acid-base waste gas purification, chemical waste gas purification and the like.
The existing harmful waste gas treatment equipment has a complex structure and generally low treatment efficiency, and a small amount of harmful substances still exist in the treated harmful waste gas, so that the treatment is not thorough; on the other hand, the existing harmful waste gas treatment equipment is not flexible enough in adjustment, the treatment capacity of the equipment cannot be automatically adjusted according to the concentration of harmful waste gas, and the resource waste is caused invisibly.
Disclosure of Invention
Aiming at the technical problems, the invention provides an intelligent harmful waste gas advanced treatment device with high treatment efficiency.
The technical scheme of the invention is as follows: an intelligent harmful waste gas advanced treatment device comprises a device shell, a filtering component, a washing component, an adsorption component, an ionization component and a control box; an air inlet pipe and a liquid discharge pipe are arranged on the lower side of the outer wall of the device shell, a waste gas concentration sensing device is arranged on the air inlet pipe, supporting legs are arranged at the bottom of the device shell, and an air outlet is arranged at the top of the device shell; the filter assembly comprises a filter cartridge and an air homogenizing cover, the filter cartridge is fixedly arranged at the bottom end of the device shell, a metal filter screen is arranged inside the filter cartridge, the air inlet pipe is communicated with the filter cartridge, the air inlet of the air inlet pipe is positioned at the lower end of the metal filter screen, and the air homogenizing cover is arranged on the filter cartridge through a support rod; the washing component comprises an outer washing disc and an inner washing disc, the outer washing disc is clamped and fixed inside the device shell and is positioned at the upper end of the filter cylinder, a plurality of washing liquid nozzles are uniformly arranged on the inner side of the outer washing disc, the inner washing disc is connected with the outer washing disc through a connecting rod, a plurality of washing liquid nozzles are uniformly arranged on the outer side of the inner washing disc, and the outer washing disc and the inner washing disc are both communicated with the outer washing liquid storage component; the adsorption component comprises an installation cylinder, an active carbon adsorption cylinder and an adjusting motor, the installation cylinder is fixedly clamped in the device shell, and is positioned at the upper end of the washing component, the upper end and the lower end of the mounting cylinder are both provided with mounting plates, the mounting plates are provided with air guide holes, the active carbon adsorption cylinder is movably arranged in the mounting cylinder, the active carbon adsorption cylinder is respectively communicated with the two mounting plates, the air guide hole in the mounting plate at the lower end is communicated with the active carbon adsorption cylinder, the air guide hole in the mounting plate at the upper end is positioned outside the active carbon adsorption cylinder, the inside of the active carbon adsorption cylinder is movably clamped with a lifting plate, a reset spring is arranged at the bottom of the active carbon adsorption cylinder, the adjusting motor is fixedly arranged at the bottom of the device shell through the mounting frame, a lead screw is arranged on an output shaft of the adjusting motor, the lead screw sequentially penetrates through the filtering component and the washing component, a threaded part and a smooth part are arranged on the lead screw, and the lead screw is in threaded connection with the lifting plate through the threaded part; the ionization subassembly includes insulation board and high-voltage pulse emission head, and the insulation board is the tubular structure, and the fixed joint of insulation board is on the inside top of device shell, and high-voltage pulse emission head is fixed to be set up inboard at the insulation board, and high-voltage pulse emission head is connected with outside high-voltage pulse power supply, control box and exhaust gas concentration induction system, accommodate motor electric connection.
Further, the outside top of device shell is provided with the protection casing, and the protection casing is umbelliform structure, and the inside ultraviolet tube that is provided with of protection casing can avoid external impurity to get into the device through setting up the protection casing, causes the influence to the operation of device, improves the reliability of device, can be to the harmful waste gas further disinfection after handling through setting up ultraviolet tube and handle, improves the treatment effect of device.
Furthermore, the edge of the air inflow adjusting cover is obliquely and downwards provided with a flanging, so that external washing liquid can be prevented from entering the filter cartridge by the flanging, and the reliable operation of the metal filter screen is ensured.
Further, interior washing dish middle part cover is equipped with the sleeve, sleeve and lead screw activity joint, and sleeve and interior washing are provided with the ball between the dish, and connecting rod and sleeve fixed connection, interior washing dish lower extreme are provided with rotating vane, and when the washing liquid nozzle on the outer washing dish sprays the washing liquid to interior washing dish direction, strikes rotating vane for interior washing dish rotates at the sleeve, and it is more even, thorough to improve exhaust-gas washing.
Furthermore, the activated carbon adsorption cylinder comprises a main cylinder and an auxiliary cylinder, the main cylinder is arranged in the center inside the installation cylinder, the lifting plate is clamped inside the main cylinder, the auxiliary cylinders are 3-5, the 3-5 auxiliary cylinders are uniformly arranged inside the installation cylinder and located outside the main cylinder, auxiliary lifting plates are clamped inside the 3-5 auxiliary cylinders, auxiliary driving motors are arranged at the bottoms of the 3-5 auxiliary cylinders, the auxiliary lifting plates are connected with the auxiliary driving motors through threaded rods, the adjustability of the device is greatly improved by arranging the auxiliary cylinders, the number of the auxiliary cylinders can be selected according to the concentration of harmful waste gas during use, and the flexibility of the device is greatly improved.
Furthermore, 1-4 insulating plates are arranged, 1-4 insulating plates are sequentially sleeved together, high-voltage pulse emitting heads are arranged on the opposite sides of 1-4 insulating plates, and the high-voltage pulse emitting heads are arranged on the 1-4 insulating plates, so that the high-voltage pulse electromagnetic coverage area emitted by the high-voltage pulse emitting heads is wider, and the ionization effect of harmful waste gas is improved.
The working principle of the invention is as follows: when the device is used, harmful waste gas is introduced into a device shell through an air inlet pipe by an external induced draft device, and the waste gas is firstly filtered by a metal filter screen and then ascends through a gap between an air homogenizing cover and a filter cylinder; the washing liquid nozzle on the outer washing disc and the washing liquid nozzle on the inner washing disc spray washing liquid into waste gas at the same time, the washing liquid sprayed by the washing liquid nozzle on the outer washing disc hits the rotating blades, so that the inner washing disc rotates on the sleeve, the waste gas after washing treatment enters the main cylinder through the air guide holes on the mounting plate, the washing waste liquid is discharged through the liquid discharge pipe, is adsorbed by active carbon and then is discharged from the top of the mounting cylinder, and enters the area surrounded by the insulating plate, an electric field is formed through high-voltage pulse current generated by the high-voltage pulse emitter, so that the harmful molecular structure in the waste gas is destroyed, the purification purpose is achieved, the waste gas after ionization treatment is discharged through the air outlet on the device shell, and is discharged after the ultraviolet lamp tube disinfection treatment; when the waste gas concentration sensing device senses that the concentration of harmful substances in the waste gas is too high, the control box controls the adjusting motor to start, the screw rod is driven to rotate, and meanwhile, the lifting plate rises; when the lifting plate rises to the maximum height, the lifting plate enters the smooth part of the screw rod and stops rising; meanwhile, the control box controls the auxiliary driving motor to start, so that the auxiliary lifting plate in the auxiliary cylinder rises, and the waste gas adsorption capacity is increased; when the concentration of harmful substances in the waste gas is reduced, the control box controls the adjusting motor and the auxiliary driving motor to rotate reversely, and the lifting plate and the auxiliary lifting plate descend to the initial position along with the rotation of the screw rod under the action of the return spring.
Compared with the prior art, the invention has the beneficial effects that: the air inflow adjusting cover and the activated carbon adsorption cylinders are arranged, so that the air inflow adjusting cover can automatically adjust the air inflow and the effective adsorption area of the activated carbon adsorption cylinders according to the concentration of external harmful gas, the operation flexibility of the device is greatly improved, the processing efficiency of the device is improved, and unnecessary resource waste is avoided; by arranging the rotatable inner washing plate, the washing liquid sprayed by the outer washing plate and the inner washing plate can completely cover the rising space of the harmful gas, so that the harmful gas is washed more completely and comprehensively; through setting up a plurality of covers and establish insulation board together for harmful gas's molecular structure is destroyed, and harmful substance is decomposed, from beating to reach the effect of purifying harmful gas.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection of the intake air quantity adjusting cap of the present invention to the filter cartridge;
FIG. 3 is a schematic structural view of a washing assembly of the present invention;
FIG. 4 is a schematic view illustrating the connection of the inner washing tray and the outer washing tray according to the present invention;
FIG. 5 is a schematic view of the connection of the activated carbon adsorption cartridge of the present invention to the mounting cartridge;
FIG. 6 is a partial schematic view of the lead screw of the present invention;
FIG. 7 is a schematic view of the connection of the high voltage pulse emitting head of the present invention to an insulating plate;
wherein, 1-device shell, 10-air inlet pipe, 11-liquid discharge pipe, 12-supporting foot, 13-protective cover, 14-ultraviolet lamp tube, 2-filtering component, 20-filtering cylinder, 21-gas homogenizing cover, 210-flanging, 22-metal filtering net, 23-supporting rod, 3-washing component, 30-outer washing disk, 300-washing liquid nozzle, 31-inner washing disk, 310-sleeve, 311-rotating blade, 32-connecting rod, 4-adsorbing component, 40-mounting cylinder, 400-mounting plate, 401-air guide hole, 41-active carbon adsorbing cylinder, 410-lifting plate, 411-reset spring, 412-main cylinder, 413-auxiliary cylinder, 414-auxiliary lifting plate, 415-auxiliary driving motor, 42-adjusting motor, 43-lead screw, 430-thread part, 431-smooth part, 5-ionization component, 50-insulating plate and 51-high voltage pulse emitter.
Detailed Description
Example (b): the intelligent harmful waste gas advanced treatment device shown in fig. 1 comprises a device shell 1, a filtering component 2, a washing component 3, an adsorption component 4, an ionization component 5 and a control box; an air inlet pipe 10 and a liquid discharge pipe 11 are arranged on the lower side of the outer wall of the device shell 1, a waste gas concentration sensing device is arranged on the air inlet pipe 10, supporting legs 12 are arranged at the bottom of the device shell 1, and an air outlet is formed in the top of the device shell 1; the top end of the outer part of the device shell 1 is provided with a protective cover 13, the protective cover 13 is of an umbrella-shaped structure, the ultraviolet lamp tube 14 is arranged in the protective cover 13, external impurities can be prevented from entering the device through the protective cover 13 to influence the operation of the device, the reliability of the device is improved, the treated harmful waste gas can be further disinfected through the ultraviolet lamp tube 14, and the treatment effect of the device is improved;
as shown in fig. 1 and 2, the filter assembly 2 includes a filter cartridge 20 and a gas homogenizing cover 21, the filter cartridge 20 is fixedly disposed at the bottom end of the device housing 1, a metal filter net 22 is disposed inside the filter cartridge 20, the gas inlet pipe 10 is communicated with the filter cartridge 20, and the gas inlet of the gas inlet pipe 10 is located at the lower end of the metal filter net 22, the gas homogenizing cover 21 is movably disposed on the filter cartridge 20 through a support rod 23, a flange 210 is obliquely and downwardly disposed at the edge of the gas homogenizing cover 21, through disposing the gas homogenizing cover 21, the filtered waste gas rises dispersedly from the gap between the gas homogenizing cover 21 and the filter cartridge 20, so as to improve the subsequent gas washing effect, and through disposing the flange 210, the external washing liquid can be prevented from entering the filter cartridge 20, thereby ensuring the reliable operation of the metal filter net 22;
as shown in fig. 1, 3 and 4, the washing assembly 3 comprises an outer washing tray 30 and an inner washing tray 31, the outer washing tray 30 is fixed inside the device housing 1 in a clamping manner and is positioned at the upper end of the filter cartridge 20, a plurality of washing liquid nozzles 300 are uniformly arranged on the inner side of the outer washing tray 30, the inner washing tray 31 is connected with the outer washing tray 30 through a connecting rod 32, a plurality of washing liquid nozzles 300 are uniformly arranged on the outer side of the inner washing tray 31, and the outer washing tray 30 and the inner washing tray 31 are both communicated with an external washing liquid storage assembly; the middle part of the inner washing disc 31 is sleeved with a sleeve 310, the sleeve 310 is movably clamped with the screw 43, balls are arranged between the sleeve 310 and the inner washing disc 31, the connecting rod 32 is fixedly connected with the sleeve 310, the lower end of the inner washing disc 31 is provided with a rotating blade 311, when a washing liquid nozzle 300 on the outer washing disc 30 sprays washing liquid to the inner washing disc 31, the rotating blade 311 is struck, so that the inner washing disc 31 rotates on the sleeve 310, and the waste gas washing is improved to be more uniform and thorough; the washing liquid is formed by mixing deionized water, ethylene glycol and 32% liquid alkali according to the volume ratio of 3:2: 1; can adsorb and decompose acidic harmful substances such as sulfide in the waste gas;
as shown in fig. 1, 5 and 6, the adsorption component 4 comprises an installation cylinder 40, an activated carbon adsorption cylinder 41 and an adjusting motor 42, the installation cylinder 40 is fixedly clamped inside the device housing 1 and is located at the upper end of the washing component 3, the upper end and the lower end of the installation cylinder 40 are both provided with mounting plates 400, the mounting plates 400 are provided with air guide holes 401, the activated carbon adsorption cylinder 41 is movably arranged inside the installation cylinder 40, the activated carbon adsorption cylinder 41 is respectively communicated with the two mounting plates 400, the air guide holes 401 on the mounting plate 400 at the lower end are communicated with the activated carbon adsorption cylinder 41, the air guide holes 401 on the mounting plate 400 at the upper end are located outside the activated carbon adsorption cylinder 41, the inside of the activated carbon adsorption cylinder 41 is movably clamped with a lifting plate 410, the bottom of the activated carbon adsorption cylinder 41 is provided with a return spring 411, the adjusting motor 42 is fixedly arranged at the bottom of the device housing 1 through the mounting plates, the output shaft of the adjusting motor 42 is provided with a lead screw 43, the screw rod 43 sequentially penetrates through the filtering assembly 2 and the washing assembly 3, a threaded part 430 and a smooth part 431 are arranged on the screw rod 43, and the screw rod 43 is in threaded connection with the lifting plate 410 through the threaded part 430; the activated carbon adsorption cylinder 41 comprises a main cylinder 412 and auxiliary cylinders 413, the main cylinder 412 is arranged in the center of the interior of the installation cylinder 40, the lifting plate 410 is clamped in the main cylinder 412, the number of the auxiliary cylinders 413 is 4, 4 auxiliary cylinders 413 are uniformly arranged in the installation cylinder 40 and are positioned on the outer side of the main cylinder 412, the auxiliary lifting plates 414 are clamped in the 4 auxiliary cylinders 413, the bottoms of the 4 auxiliary cylinders 413 are respectively provided with an auxiliary driving motor 415, the auxiliary lifting plates 414 are connected with the auxiliary driving motors 415 through threaded rods, the arrangement of the auxiliary cylinders 413 greatly improves the adjustability of the device, the number of the auxiliary cylinders 413 can be selected according to the concentration of harmful waste gas during use, and the flexibility of the device is greatly improved;
as shown in fig. 1 and 7, the ionization assembly 5 includes an insulating plate 50 and a high-voltage pulse emitter 51, the insulating plate 50 is a cylindrical structure, the insulating plate 50 is fixedly clamped at the top end inside the device housing 1, the high-voltage pulse emitter 51 is fixedly arranged inside the insulating plate 50, the high-voltage pulse emitter 51 is connected with an external high-voltage pulse power supply, 3 insulating plates 50 are arranged, the 3 insulating plates 50 are sequentially sleeved together, the high-voltage pulse emitters 51 are arranged on the opposite sides of the 3 insulating plates 50, and the high-voltage pulse emitters 51 are arranged on the 3 insulating plates, so that the high-voltage pulse electromagnetic coverage area emitted by the high-voltage pulse emitter 51 is wider, and the ionization effect of harmful waste gas is improved; the control box is electrically connected with the waste gas concentration sensing device, the adjusting motor 42 and the auxiliary driving motor 415, the PXK type electric control cabinet produced by Nanyang Zhongtong explosion-proof motor electric appliance Limited company is selected as the control box, the ZH4076 type pollutant particle concentration detector produced by Beijing Huantian science and technology Limited company is selected as the waste gas concentration sensing device, the 5D120GN-C single asynchronous motor produced by Shenzhen Xinda motor Limited company is selected as the adjusting motor 42, and the ETEF ETVF type three-phase asynchronous motor produced by Kunmun doubly Ente electromechanical Limited company is selected as the auxiliary driving motor 415.
When the device is used, harmful waste gas is introduced into the device shell 1 through the air inlet pipe 10 by an external air inducing device, the waste gas is firstly filtered by the metal filter screen 22 and then rises through a gap between the air homogenizing cover 21 and the filter cylinder 20; the cleaning solution nozzle 300 on the outer cleaning disc 30 and the cleaning solution nozzle 300 on the inner cleaning disc 31 spray cleaning solution to the waste gas at the same time, the cleaning solution sprayed from the cleaning solution nozzle 300 on the outer cleaning disc 30 hits the rotating blade 311, so that the inner cleaning disc 31 rotates on the sleeve 310, the waste gas after cleaning treatment enters the main cylinder 412 through the air guide hole 401 on the mounting plate 400, the waste cleaning solution is discharged through the liquid discharge pipe 11, is adsorbed by active carbon and then is discharged from the top of the mounting cylinder 40, enters the area surrounded by the insulating plate 50, the high-voltage pulse current generated by the high-voltage pulse emitting head 51 forms an electric field, so that the harmful molecular structure in the waste gas is destroyed, and the purpose of purification is achieved, and the waste gas after ionization treatment is discharged through the air outlet on the device shell 1, and is discharged after being sterilized by the ultraviolet lamp tube 14; when the exhaust gas concentration sensing device senses that the concentration of harmful substances in the exhaust gas is too high, the control box controls the adjusting motor 42 to be started, the screw rod 43 is driven to rotate, and meanwhile, the lifting plate 410 ascends; when the lifting plate 410 is lifted to the maximum height, the lifting plate enters the smooth part 431 of the screw 43 and stops lifting; meanwhile, the control box controls the auxiliary driving motor 415 to start, so that the auxiliary lifting plate 414 in the auxiliary cylinder 413 rises, and the waste gas adsorption amount is increased; when the concentration of the harmful substances in the exhaust gas is reduced, the control box controls the adjusting motor 42 and the auxiliary driving motor 415 to rotate in the opposite direction, and the lifting plate 410 and the auxiliary lifting plate 414 descend to the initial position along with the rotation of the screw 43 under the action of the return spring 411.
Application example 1: the device of the embodiment of the invention is applied to deeply purifying the smoke dust and the waste gas of the coal-fired power plant: the exhaust gas intake amount was set to 350m3The washing time is set to be 1.5h, the activated carbon adsorption time is 2h, the ionization time is 1h, and the detection results are shown in Table 1:
table 1 detection results after deep purification treatment of soot exhaust gas of coal-fired power plants;
contaminant item
|
Before treatment
|
After treatment
|
Removal Rate (%)
|
Concentration of sulfur dioxide (mg/m)3)
|
3.2
|
0.023
|
99
|
Concentration of smoke (mg/m)3)
|
2.3
|
0.036
|
98
|
Concentration of Nitrogen oxides (mg/m)3)
|
2.18
|
0.055
|
87 |
According to the detection results, the concentration of each pollutant in the smoke waste gas of the coal-fired power plant can be obviously reduced, the high-concentration and large-flow smoke waste gas of the coal-fired power plant can be effectively treated in time, and the method has wide application prospect.
Application example 2: the device of the embodiment of the invention is applied to carry out deep purification treatment on the organic waste gas of the chemical plant: setting the exhaust gas air inflow at 400m3The washing time is set to be 2h, the activated carbon adsorption time is 1.5h, the ionization time is 1.5h, and the detection results are shown in Table 2:
table 2 detection results after advanced purification treatment of organic waste gas from chemical plants;
according to the detection results, the organic waste gas purification device has stable and efficient purification effect on the organic waste gas of the chemical plant, the organic waste gas after being filtered, washed, adsorbed and ionized is remarkably reduced in pollutant content, the organic waste gas purification device has a remarkable improvement effect on the living environment of human beings, and the organic waste gas purification device has a progressive significance on environmental protection.