CN205638627U - Motor vehicle exhaust processing apparatus - Google Patents

Abstract

The utility model belongs to the technical field of the motor vehicle waste gas pollution control and treatment, the utility model relates to a motor vehicle exhaust processing apparatus, install in motor vehicle gas vent department, carry out oxidation absorption through low -priced innocuous solution, and use active carbon to carry out secondary treatment to the trace contaminant of escaping behind the oxidation absorption, and has the advantages of high denitration efficiency, good purifying effect, gather the precipitation charcoal in desorption NOX and SO2, can reach the mesh that tail gas was administered, engine and intake -tube connection, the outlet duct is connected with reaction cylinder, reaction cylinder is respectively through nozzle bore and circulating pump intercommunication, through plug box and water tank intercommunication, through suction pump and waste liquid jar intercommunication, reaction cylinder and adsorption tank directly communicate, overall structure is simple for its device, novel design is achieved, the preparation investment is low, the working costs is economized, long service lifetime, use environment friendly, economic benefits and development prospect have.

Description

A kind of exhaust gas treatment device for motor vehicles

Technical field:

This utility model belongs to motor vehicle exhaust gases Treatment process field, relates to a kind of exhaust gas treatment device for motor vehicles, especially It is a kind of heavy-duty diesel oil motor vehicles exhaust gas processing device, is installed at automobile exhausting mouth and tail gas is carried out anti-pollution process.

Background technology:

Along with socioeconomic development, Global Trends in Motor Vehicle quantity continues to increase, and the environmental pollution that exhaust emissions causes is day by day Seriously.In the prior art, motor-vehicle tail-gas is administered and is typically improved from three directions: 1. engine interior controls, and improves Car combustion engine structure, is optimized engine structure, controls to burn to reduce pollutant emission, and scientific research personnel has made a lot Work, such as: improve carburetor, ignition system and combustion system, electronically control gasoline injection；2. external engine is clean Change, emission is carried out post processing purification, use the methods such as air injection, oxidized form reactor and three-effect catalysis reactor； 3. improve and alternative fuel, methanol and natural gas fuel as an alternative, reduction organic hydrocarbon and imperfect combustion generation with black Carbon is the discharge of main particulate matter.Although motor-vehicle tail-gas Treatment process is the most gradually implemented, except the lifting of fuel qualities reduces Analysis carbon, administers the technology still immaturity of tail gas and universal, and at present, single catalysis technique only eliminates HC and CO in tail gas, Still having NOx emission, if fuel mixture ratio is not maintained near chemically correct fuel, three-effect catalytic method is also difficult to play its effect And catalyst cost intensive, new forms of energy supply network is not yet ripe and universal, and part motor vehicles enterprise starts to use for reference thermoelectricity industry More ripe NCR/SCR denitration technology, but the ammonia escaped can bring bigger pollution.Therefore, seek to design a kind of motor vehicles Exhaust gas processing device, carries out oxidative absorption by the solution of non-toxic inexpensive, and for the micropollution escaped after oxidative absorption Thing uses activated carbon to carry out after-treatment, and its denitration efficiency is high, good purification, at removing NO_XAnd SO₂While coagulation analysis charcoal, The purpose for the treatment of tail gas can be reached.

Summary of the invention:

The purpose of this utility model is the shortcoming overcoming prior art to exist, and seeks design a kind of based on diesel locomotive Exhaust gas treatment device for motor vehicles, use solution oxide absorption process and activated carbon filter process that pollutant in tail gas are removed, Cancel the use of catalyst, solve the problem that catalyst poisoning and cost during vent gas treatment are high.

To achieve these goals, the exhaust gas treatment device for motor vehicles that this utility model relates to, its agent structure is divided into scattered Hot cell, spray unit, solution feed unit, waste collection unit, absorbing unit and six functional units of air inducing unit, including Electromotor, no-power air blower, water tank, the first electromagnetic valve, plug box, the second electromagnetic valve, waste liquid tank, suction pump, adsorption box, the 3rd Electromagnetic valve, reaction tube, circulating pump, collection header, digital control implement, nozzle bore, filler, air inlet pipe, escape pipe, inlet, leakage fluid dram, Upper level sensor, lower level sensor, deflection plate, cooling tube, fin, exhaustor, motor vehicles headstock and the 4th electromagnetic valve, Wherein, heat-sink unit includes electromotor, collection header, air inlet pipe, escape pipe, cooling tube and fin, and spray unit includes reaction Cylinder, circulating pump, nozzle bore, inlet, leakage fluid dram, upper level sensor, lower level sensor and deflection plate, solution feed unit Including water tank, the first electromagnetic valve, plug box, the second electromagnetic valve, filler and the 4th electromagnetic valve, waste collection unit includes waste liquid Tank, suction pump, the 3rd electromagnetic valve, digital control implement and motor vehicles headstock, absorbing unit includes that adsorption box, air inducing unit include unpowered Blower fan and exhaustor, electromotor is flexible coupling with air inlet pipe, and the collection header symmetrical expression that two structures are identical is positioned at the left and right of cold water pipe Both sides, air inlet pipe and escape pipe connect with input and the outfan of cooling tube through collection header respectively, the cooling tube of flat The outside detachable fin of suit, fin is corrugated and be fin structure, and the installation direction of fin is perpendicular to The direction of air flowing, reaction tube is horizontal screw-like cylinder by top with bottom is that cuboid intersects combination up and down and constitutes and interior Portion connects, and the top of reaction tube is provided with two inlets, is respectively used to inject sodium carbonate liquor and liquor natrii hypochloritis, reaction Being provided with deflection plate in the top of cylinder, tail gas can advance along the internal whorl of reaction tube and fully blend instead with the solution sprayed into Should, the lower sides of reaction tube is provided with level sensor and lower level sensor, for monitoring the water level in reaction tube, The laminated fiberglass cloth mated formation in reaction tube lower lumen is higher than upper level sensor, prevents the solution within reaction tube from shaking Dynamic, reaction tube lower sides is provided with a leakage fluid dram with waste liquid discharge function, the top of reaction tube and the phase of bottom At least provided with two mutually isostructural nozzle bores on intersection, escape pipe connects with reaction tube duct type through a nozzle bore, reaction Cylinder connects with circulating pump pipeline formula through one or more nozzle bore, and the circulating pump symmetrical expression that two structures are identical is distributed in The both sides of reaction tube, water tank is provided with the filler for water filling, and water tank is positioned at the left side below motor vehicles sweep or right side, Water tank lower left is provided with the plug box of drawing and pulling type structure, and plug box is connected with tank pipe formula through the first electromagnetic valve, plugs box Two-berth respectively, the interior left and right sides is provided with second equipped with glass fibre, central filler solid, the lower section symmetrical structure of plug box Electromagnetic valve and the 4th electromagnetic valve, plug box through the second electromagnetic valve and the 4th electromagnetic valve respectively with reaction tube above two identical knots The inlet connection of structure；Waste liquid tank is positioned at below plug box concordant with reaction tube, and reaction tube is through the 3rd electromagnetic valve with suction pump even Logical, suction pump is fixedly installed on the top of waste liquid tank, and waste liquid tank connects with the leakage fluid dram duct type on reaction tube, and digital control implement is fixed It is arranged at the bottom side of motor vehicles headstock, upper level sensor, lower level sensor, the first electromagnetic valve, the second electromagnetic valve, the 3rd electricity Magnet valve and the 4th electromagnetic valve are connected through wire electrical information with digital control implement respectively, and the inside of adsorption box is placed with activated carbon, adsorption box Input connect with reaction tube pipeline at output formula, the outfan of adsorption box is connected to exhaustor straight up, unpowered wind Machine provides pressure to overcome the flue gas resistance that single unit system runs for exhaust gas treatment device for motor vehicles, by wind drive without moving during traveling The rotation of power blower fan and bleed, after during parking, utilization processes, between flue gas and air, the temperature difference rotates and bleeds, and temperature difference is more than 0.5 DEG C Time no-power air blower can rotate, no-power air blower is fixedly installed on the end of exhaustor, each unit electrical information or mechanical type group Exhaust gas treatment device for motor vehicles is constituted after closing connection.

This utility model relate to plug box in sodium carbonate solid or substituted by calcium hydroxide；Hypochlorous acid in plug box Sodium or substituted by sodium chlorate.

Spray in reaction tube when tail gas described in the utility model and horizontal plane angle 30 degree, solid with two kinds in plug box After solution after body dissolving is sufficiently mixed contact, reaction efficiency is optimal；The solution after two kinds of solids dissolvings in plug box and level Spray in reaction tube during face angle 30 degree, be sufficiently mixed reaction efficiency after contacting with tail gas optimal.

Tail gas is not sprayed when being in idle state by the electromotor that this utility model relates to, absorbing unit carry out tail Gas disposal.

During the exhaust gas treatment device for motor vehicles work that this utility model relates to, the tail gas discharged from electromotor enters through air inlet pipe Entering in collection header, tail gas flows in cooling tube, and air passes through outside cooling tube, carries out heat exchange by cooling tube, cooling After tail gas flow out collection header by escape pipe again, tail gas enters before reaction tube screw-type from the side of reaction tube through nozzle bore Enter；When ON cycle pump, the first electromagnetic valve, the second electromagnetic valve and four electromagnetic valves, the water in water tank flows out and will plug in box Two kinds of solids dissolve, become two kinds of solution, two kinds of solution are respectively in inlet enters reaction tube, when in reaction tube When water level touches level sensor, digital control implement is closed the first electromagnetic valve, the second electromagnetic valve and the 4th electromagnetic valve and starts numeration, After reaching the cycle-index set, digital control implement controls circulating pump break-off and opens the 3rd electromagnetic valve and suction pump, waste liquid It is uniformly processed after collecting in leakage fluid dram is emitted into waste liquid tank；When reaction tube middle water level touches lower level sensor, digital control implement Close the 3rd electromagnetic valve and suction pump, be then turned on circulating pump, the first electromagnetic valve, the second electromagnetic valve and the 4th electromagnetic valve, solution Continuing to flow into reaction tube respectively to react with tail gas blending, the tail gas not reacted is aspirated by no-power air blower and through absorption After activated carbon filters in case, then in emission by exhaust pipe to air, complete the vent gas treatment process of a motor vehicles.

The function operation principle of the exhaust gas treatment device for motor vehicles that this utility model relates to is: from the tail of the discharge of electromotor Gas, after heat-sink unit cools, enters in reaction tube, and solution feed unit provides in reaction tube and reacts with tail gas Solution, spray unit start solution circulated sprinkling program, make solution fully blend with tail gas and react, after having reacted product Raw waste liquid is processed by waste collection unit collection, and remaining tail gas is after absorbing unit filters, then is emitted into greatly by air inducing unit In gas, complete the purified treatment of motor-vehicle tail-gas.

This utility model compared with prior art, uses solution oxide absorption process and activated carbon filter process to pollute in tail gas Thing removes, and cancels the use of catalyst, thus catalyst poisoning and the high problem of cost during avoiding vent gas treatment；Its Device overall structure is simple, novel in design, and preparation investment is low, economic operating cost, and service life is long, does not produce secondary pollution, should By environmental friendliness, there is good economic benefit and application and development prospect.

Accompanying drawing illustrates:

Fig. 1 is the agent structure operation principle schematic block diagram of this utility model device.

Fig. 2 is the agent structure principle schematic of this utility model device.

Fig. 3 is the agent structure plan structure principle schematic along A-A section view of this utility model device.

Fig. 4 is the structural principle schematic diagram of the reaction tube that this utility model relates to.

Fig. 5 is that the reaction tube that relates to of this utility model is along B-B sectional structure principle schematic.

Detailed description of the invention:

Below by embodiment and combine accompanying drawing this utility model is described further.

Embodiment 1:

The exhaust gas treatment device for motor vehicles that the present embodiment relates to, its agent structure is divided into heat-sink unit, spray unit, solution Feed unit, waste collection unit, absorbing unit and six functional units of air inducing unit, including electromotor 1, no-power air blower 2, Water tank the 3, first electromagnetic valve 4, plug box the 5, second electromagnetic valve 6, waste liquid tank 7, suction pump 8, adsorption box the 9, the 3rd electromagnetic valve 10, anti- Answer cylinder 11, circulating pump 12, collection header 13, digital control implement 14, nozzle bore 15, filler 16, air inlet pipe 17, escape pipe 18, inlet 19, leakage fluid dram 20, upper level sensor 21, lower level sensor 22, deflection plate 23, cooling tube 24, fin 25, exhaustor 26, motor vehicles headstock 27 and the 4th electromagnetic valve 28, wherein, heat-sink unit includes electromotor 1, collection header 13, air inlet pipe 17, gives vent to anger Pipe 18, cooling tube 24 and fin 25, spray unit includes reaction tube 11, circulating pump 12, nozzle bore 15, inlet 19, discharge opeing Mouth 20, upper level sensor 21, lower level sensor 22 and deflection plate 23, solution feed unit includes water tank the 3, first electromagnetic valve 4, plug box the 5, second electromagnetic valve 6, filler 16 and the 4th electromagnetic valve 28, waste collection unit include waste liquid tank 7, suction pump 8, 3rd electromagnetic valve 10, digital control implement 14 and motor vehicles headstock 27, absorbing unit includes that adsorption box 9, air inducing unit include unpowered wind Machine 2 and exhaustor 26, electromotor 1 is flexible coupling with air inlet pipe 17, and collection header 13 symmetrical expression that two structures are identical is positioned at cold water pipe The left and right sides of 24, air inlet pipe 17 and escape pipe 18 connect with input and the outfan of cooling tube 24 through collection header 13 respectively, The outside detachable fin 25 of suit of the cooling tube 24 of flat, fin 25 is corrugated and be fin structure, The installation direction of fin 25 is perpendicular to the direction of air flowing, and reaction tube 11 is that horizontal screw-like cylinder is with bottom by top Cuboid intersects combination up and down and constitutes and internal connection, and the top of reaction tube 11 is provided with two inlets 19, is respectively used to note Entering sodium carbonate liquor and liquor natrii hypochloritis, be provided with deflection plate 23 in the top of reaction tube 11, tail gas can be along reaction tube 11 Internal whorl advance and fully blend reaction with the solution sprayed into, the lower sides of reaction tube 11 is provided with level sensor Device 21 and lower level sensor 22, for monitoring the water level in reaction tube 11, the stratiform glass mated formation in reaction tube 11 lower lumen Glass fiber cloth is higher than upper level sensor 21, prevents the solution within reaction tube 11 from rocking, and reaction tube 11 lower sides is arranged There is a leakage fluid dram with waste liquid discharge function 20, at least provided with two phases on the top of reaction tube 11 and the intersecting lens of bottom Isostructural nozzle bore 15, escape pipe 18 connects with reaction tube 11 duct type through a nozzle bore 15, reaction tube 11 through one or More than one nozzle bore 15 connects with circulating pump 12 duct type, and circulating pump 12 symmetrical expression that two structures are identical is distributed in reaction The both sides of cylinder 11, water tank 3 is provided with the filler 16 for water filling, and water tank 3 is positioned at the left side below motor vehicles sweep or the right side Side, water tank 3 lower left is provided with the plug box 5 of drawing and pulling type structure, and plug box 5 is through the first electromagnetic valve 4 with water tank 3 duct type even Connecing, in plug box 5, two-berth respectively, the left and right sides is equipped with glass fibre, central filler sodium carbonate solid and sodium hypochlorite solid, The lower section symmetrical structure of plug box 5 is provided with the second electromagnetic valve 6 and the 4th electromagnetic valve 28, and plug box 5 is through the second electromagnetic valve 6 and the Four electromagnetic valves 28 inlet 19 mutually isostructural with two above reaction tube 11 respectively connects；Waste liquid tank 7 is positioned at plug box 5 times Side is concordant with reaction tube 11, and reaction tube 11 connects with suction pump 8 through the 3rd electromagnetic valve 10, and suction pump 8 is fixedly installed on waste liquid tank 7 Top, waste liquid tank 7 connects with leakage fluid dram 20 duct type on reaction tube 11, and digital control implement 14 is fixedly installed on motor vehicles headstock 27 Bottom side, upper level sensor 21, lower level sensor the 22, first electromagnetic valve the 4, second electromagnetic valve 6, the 3rd electromagnetic valve 10 and Four electromagnetic valves 28 are connected through wire electrical information with digital control implement 14 respectively, and the inside of adsorption box 9 is placed with activated carbon, adsorption box 9 Input connects with reaction tube 11 pipeline at output formula, and the outfan of adsorption box 9 is connected to exhaustor 26 straight up, unpowered Blower fan 2 provides pressure to overcome the flue gas resistance that single unit system runs, by wind drive during traveling for exhaust gas treatment device for motor vehicles The rotation of no-power air blower 2 and bleed, after during parking, utilization processes, between flue gas and air, the temperature difference rotates and bleeds, and temperature difference exceedes When 0.5 DEG C, no-power air blower 2 can rotate, and no-power air blower 2 is fixedly installed on the end of exhaustor 26, each unit electrical information or Exhaust gas treatment device for motor vehicles is constituted after mechanical type combination connection.

The present embodiment relate to plug box 5 in sodium carbonate solid or substituted by calcium hydroxide；Hypochlorous acid in plug box 5 Sodium or substituted by sodium chlorate.

Spray in reaction tube (such as ∠ 1 in Fig. 4) when the tail gas described in the present embodiment and horizontal plane angle 30 degree, with plug box After the interior solution after two kinds of solids dissolvings is sufficiently mixed contact, reaction efficiency is optimal；After two kinds of solids in plug box dissolve Spray into when solution and horizontal plane angle 30 degree in reaction tube (such as ∠ 1 in Fig. 4), be sufficiently mixed after contacting reaction efficiency with tail gas Good.

Tail gas is not sprayed when being in idle state by the electromotor 1 that the present embodiment relates to, absorbing unit carry out tail Gas disposal.

During the exhaust gas treatment device for motor vehicles work that the present embodiment relates to, from the tail gas of electromotor 1 discharge through air inlet pipe 17 Entering in collection header 13, tail gas flows in cooling tube 24, and air passes through outside cooling tube 24, carries out heat by cooling tube 24 Exchange, the tail gas after cooling flows out collection header 13 by escape pipe 18 again, and tail gas enters from the side of reaction tube 11 through nozzle bore 15 Enter reaction tube 11 and screw-type advances；When ON cycle pump the 12, first electromagnetic valve the 4, second electromagnetic valve 6 and the 4th electromagnetic valve 28 Time, the water in water tank 3 flows out and the sodium carbonate solid in plug box 5 and sodium hypochlorite solid is dissolved, become sodium carbonate molten Liquid and liquor natrii hypochloritis, sodium carbonate liquor and liquor natrii hypochloritis in inlet 19 enters reaction tube 11, work as reaction respectively When water level in cylinder 11 touches level sensor 21, digital control implement 14 closes the first electromagnetic valve the 4, second electromagnetic valve 6 and the 4th electricity Magnet valve 28 also starts to count to circulating pump 12, and whenever solution circulation primary, circulating pump 12 sends a signal to digital control implement 14, when After circulating pump 12 reaches the cycle-index set, digital control implement 14 controls circulating pump 12 break-off and opens the 3rd electromagnetic valve 10 He Suction pump 8, waste liquid is uniformly processed after collecting in leakage fluid dram 20 is emitted into waste liquid tank 7；When reaction tube 11 middle water level touches Xia Shui During level sensor 22, digital control implement 14 closes the 3rd electromagnetic valve 10 and suction pump 8, be then turned on circulating pump the 12, first electromagnetic valve 4, Second electromagnetic valve 6 and the 4th electromagnetic valve 28, sodium carbonate liquor and liquor natrii hypochloritis continue to flow into reaction tube 11 and tail gas respectively Blending reacts, and the tail gas not reacted is aspirated by no-power air blower 2 and after activated carbon in adsorption box 9 filters, then warp Exhaustor 26 is emitted in air, completes the vent gas treatment process of a motor vehicles.

The function operation principle of the exhaust gas treatment device for motor vehicles that the present embodiment relates to is: from the tail of the discharge of electromotor 1 Gas, after heat-sink unit cools, enters in reaction tube 11, and solution feed unit provides in reaction tube 11 and occurs with tail gas The solution of reaction, spray unit starts solution circulated sprinkling program, makes solution fully blend with tail gas and react, and reaction completes The waste liquid of rear generation is processed by waste collection unit collection, and remaining tail gas is after absorbing unit filters, then is discharged by air inducing unit To air, complete the purified treatment of motor-vehicle tail-gas.

Claims (1)

1. an exhaust gas treatment device for motor vehicles, it is characterized in that agent structure include electromotor, no-power air blower, water tank, first Electromagnetic valve, plug box, the second electromagnetic valve, waste liquid tank, suction pump, adsorption box, the 3rd electromagnetic valve, reaction tube, circulating pump, set associative Case, digital control implement, nozzle bore, filler, air inlet pipe, escape pipe, inlet, leakage fluid dram, upper level sensor, lower level sensor Device, deflection plate, cooling tube, fin, exhaustor, motor vehicles headstock and the 4th electromagnetic valve, electromotor is flexible coupling with air inlet pipe, and two The collection header symmetrical expression that individual structure is identical is positioned at the left and right sides of cold water pipe, and air inlet pipe and escape pipe are respectively through collection header and cooling The input of pipe connects with outfan, and the outside of the cooling tube of flat is set with detachable fin, and fin is ripple Shape and be fin structure, the installation direction of fin is perpendicular to the direction of air flowing, and reaction tube is horizontal screw thread by top Shape cylinder is that cuboid intersects combination composition and internal connection up and down with bottom, reaction tube is provided with two inlets, reaction It is provided with deflection plate in Tong, reaction tube is provided with level sensor and lower level sensor, for monitoring in reaction tube Water level, the laminated fiberglass cloth mated formation in reaction tube inner chamber is higher than upper level sensor, reaction tube is provided with leakage fluid dram, instead Answering at least provided with two nozzle bores on the top of cylinder and the intersecting lens of bottom, escape pipe is through a nozzle bore and reaction tube duct type Connection, reaction tube connects with circulating pump pipeline formula through one or more nozzle bore, the circulating pump pair that two structures are identical Title formula is distributed in the both sides of reaction tube, and water tank is provided with filler, and water tank is positioned at the left side below motor vehicles sweep or right side, Water tank lower left is provided with the plug box of drawing and pulling type structure, and plug box is connected with tank pipe formula through the first electromagnetic valve, plugs box Two-berth respectively, the interior left and right sides, equipped with glass fibre, is filled with sodium carbonate solid and time chlorine between the glass fibre mated formation up and down Acid sodium solid, the lower section symmetrical structure of plug box is provided with the second electromagnetic valve and the 4th electromagnetic valve, and plug box is through the second electromagnetic valve Connecting with the inlet above reaction tube respectively with the 4th electromagnetic valve, waste liquid tank is positioned at below plug box concordant with reaction tube, instead Answering cylinder to connect with suction pump through the 3rd electromagnetic valve, suction pump is fixedly installed on the top of waste liquid tank, waste liquid tank and reaction tube Leakage fluid dram duct type connects, and digital control implement is fixedly installed on the bottom side of motor vehicles headstock, upper level sensor, lower level sensor, First electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve are connected through wire electrical information with digital control implement respectively, absorption Placing activated carbon in case, the input of adsorption box connect with reaction tube pipeline at output formula, the output of adsorption box terminate vertical to On exhaustor, no-power air blower is fixedly installed on the end of exhaustor.