CN104131865B - Processing unit for tail - Google Patents

Processing unit for tail Download PDF

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Publication number
CN104131865B
CN104131865B CN201410341882.8A CN201410341882A CN104131865B CN 104131865 B CN104131865 B CN 104131865B CN 201410341882 A CN201410341882 A CN 201410341882A CN 104131865 B CN104131865 B CN 104131865B
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tail
tail gas
aqueous solution
processing unit
filter chamber
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CN201410341882.8A
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CN104131865A (en
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沈奇丽
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Anhui Wanhang Rail Transit Equipment Co ltd
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Individual
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  • Treating Waste Gases (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Processes For Solid Components From Exhaust (AREA)

Abstract

The invention discloses a kind of processing unit for tail, including exhaust duct, aqueous solution casing containing adsorbent and the aqueous solution import being located on casing, described casing is divided into a filter chamber and multiple surge chamber by dividing plate, each dividing plate is provided with the crossfire mouth circulated mutually for air water, being provided with defecator in described filter chamber, one end of described exhaust duct connects the exhaust port of internal combustion engine, the other end accesses in filter chamber;Last surge chamber has picked out radiating tube, and the other end of this radiating tube accesses filter chamber, forms the circulation line of aqueous solution, last surge chamber is additionally provided with air vent.This equipped with aqueous solution and contain adsorbent casing in be provided with the defecator being made up of multiple encryption filters, can the PM2.5 in absorption tail gas and other harmful substances effectively, there is effective, the feature that volume is little, easy to use of cleaning of off-gas.

Description

Processing unit for tail
Technical field
The present invention relates to a kind of exhaust gas processing device, be specifically related to a kind of processing unit for tail.
Background technology
Along with industrialization development and the raising of people's living standard, China's internal-combustion engines vehicle has the phenomenon increased severely year by year, the use of the most various types of internal combustion engines.Containing substantial amounts of harmful substance in exhaust gases of internal combustion engines, such as carbon monoxide, Hydrocarbon, oxynitride, sulfur dioxide and imperfect combustion soot particulate matter etc., vehicle exhaust is unprocessed mostly is just directly discharged in air, the incident air pollution being substantial amounts of exhaust emissions and bringing, health and natural environment to people have harm, particularly PM2.5 greatly.PM2.5 i.e. fine particle, the finger ring border equivalent aerodynamic diameter particulate matter less than or equal to 2.5 microns.PM2.5 is mainly derived from motor vehicle exhaust emission, can not touch although PM2.5 is invisible, but it is the killer of the arch-criminal of atmospheric pollution, human health, because it can be suspended in air the long period, directly can be sucked alveolar by people, even incorporate blood, to the cell damage in human body.
At present, the scheme processing vehicle exhaust PM2.5 both at home and abroad mainly has following several: 1, adds chemical reagent, chemically reduces the discharge of PM2.5;2, physics spray method, reduces discharging modes by vehicle exhaust PM2.5;3, tail gas filtering form reduces PM2.5 discharge.The discharge of PM2.5 all can be played a role by above-mentioned three kinds of methods, and wherein the method for filtered version reduction PM2.5 is the most universal.As the Chinese invention patent of Application No. 201210369746.0 discloses a kind of automobile tail gas filtering device, including filter, described filter is clamped between two metal mesh sheets, separate the with cover sheet-like filter sealing the super thick that filter cartridge is left and right two Room cotton, the water of the left and right indoor of filter cartridge all balances purification stone and activated carbon, one end is had to have a hole in the upper end, side of left room, surrounding is passed through the discarded exhaustor connected with acoustic filter hermetically, and the mouth of pipe of discarded exhaustor is about 3 centimeters from the water surface;There is the dewatering orifice twisting screw bottom the right ventricle of filter cartridge, have a venthole on top.This kind of automobile tail gas filtering device simple in construction, the tail gas tool given off is had certain effect, but its filter used easily is blocked by particulate matter, causes vent gas treatment weak effect, defecator to be easily damaged, and this tail gas filter volume is relatively big, use inconvenience.
Summary of the invention
For above-mentioned deficiency, the technical problem to be solved is to provide and a kind of can effectively process the PM2.5 contained in exhaust gases of internal combustion engines and other harmful substances, has high treating effect, processing unit for tail easy to use.
For solving the problems referred to above, the present invention is achieved through the following technical solutions:
Processing unit for tail, including exhaust duct, aqueous solution casing containing adsorbent and the aqueous solution import being located on casing, described casing is divided into a filter chamber and multiple surge chamber by dividing plate, each dividing plate is provided with the crossfire mouth circulated mutually for air water, being provided with defecator in described filter chamber, one end of described exhaust duct connects the exhaust port of internal combustion engine, the other end accesses in filter chamber;Last surge chamber has picked out radiating tube, and the other end of this radiating tube accesses filter chamber, forms the circulation line of aqueous solution, last surge chamber is additionally provided with air vent.
Described defecator can include at least 1 encryption filter, described encryption filter includes that tail gas pressure disappears power cylinder and be located at tail gas pressure and disappear the shower nozzle in power cylinder, described tail gas pressure disappear power cylinder be at least 2 bottom openings, different-diameter hollow porous cylindrical fireworks from the most sheathed forming to little greatly, and between the top of porous cylindrical fireworks, there is difference in height.
The bottom of described shower nozzle is the import for being passed through tail gas, and the top of shower nozzle is provided with the spray outlet for gas-liquid injection, and the both sides of shower nozzle are provided with aqueous solutions and flow into the side port in shower nozzle and the baffle plate being arranged over preventing tail gas from escaping of side port.The pressure effect that the structure of this shower nozzle produces from the aqueous solution being passed through tail gas with enter shower nozzle so that gas-liquid mixed, be ejected into tail gas pressure and disappear on power cylinder, the most described shower nozzle is intended to submerged in water from side port to inlet part.
Described baffle plate and side port are the most at an acute angle along shower nozzle vertically downward direction.
Described exhaust duct can be directly accessed in filter chamber, many tail gas arms can also be branched off into and access in filter chamber, in order to make clean-up effect more preferable, and match with the encryption filter in filter chamber, described exhaust duct one end connects internal combustion engine tail gas discharge mouth, and the other end is branched off into many tail gas arms and accesses in filter chamber, is connected with shower nozzle bottom submerged in water respectively;In order to improve clean-up effect and radiating efficiency, last surge chamber described picks out and the radiating tube of tail gas arm equivalent root, and the other end of every radiating tube is connected with a tail gas arm respectively, forms the circulation line of aqueous solution.
Further, described adsorbent can be activated carbon and pulverized limestone.
Aqueous solution in casing is constantly gasified in continuous cleaning of off-gas process or is consumed, i.e. can constantly reduce, for ensureing that this processing unit for tail can work long hours, described aqueous solution import can be provided with an automatic water compensating valve, and this automatic water compensating valve is connected with the secondary water tank in order to moisturizing.
Described surge chamber can be 2, and described surge chamber is in order to buffer reduction tail gas pressure effect.
The design principle of the present invention is:
The tail gas discharged from internal combustion engine tail gas discharge mouth is high-temperature high-pressure air flow, it sprays into equipped with in aqueous solution the casing containing adsorbent by exhaust duct, tail gas enters the encryption filter shower nozzle in filter chamber with aqueous solution, under the pressure effect of tail gas, tail gas and aqueous solution also carry out height mixed aerosol in tail gas pressure disappears power cylinder, make the PM2.5 contained in exhaust gases of internal combustion engines and other hydronitrogen be adsorbed by adsorbent, be deposited in water, make the harmful gas in tail gas effectively be purified.Aqueous solution flows out from filter chamber, flows into radiating tube, then flows into filter chamber from radiating tube, form the circulation line of aqueous solution, purified tail gas the most further, also reduced the temperature of tail gas, made the tail gas of discharge reach effluent standard value after last surge chamber.
The invention have the benefit that
1, it is provided with, equipped with in aqueous solution the casing containing adsorbent, the defecator being made up of multiple encryption filters, can the PM2.5 in absorption tail gas and other harmful substances effectively, casing, exhaust duct and radiating tube form the circulation line of aqueous solution, not only the dissolubility of the material in raising tail gas, also greatly reduces the temperature of tail gas;
2, tail gas pressure disappears power cylinder and the setting of multiple surge chamber, reduces the pressure of tail gas, eliminates tail gas noise;
3, containing activated carbon, the adsorbent of pulverized limestone in aqueous solution, clean-up effect can be improved further, and necessary exhaust gas processing device all can be located in same casing, the volume of casing, according to self vehicle designed, designed, has the advantages that volume is little, easy to use.
Accompanying drawing explanation
Fig. 1 is a kind of transverse sectional view of this processing unit for tail;
Fig. 2 is the structural representation of shower nozzle;
Fig. 3 is a kind of structural representation of this processing unit for tail;
Fig. 4 is the use state diagram of single encryption filter.
Figure is numbered: 1, casing;2, filter chamber;3, surge chamber;4, dividing plate;5, defecator;6, encryption filter;7, exhaust duct;8, air vent;9, crossfire mouth;10, tail gas arm;11, aqueous solution import;12, porous cylindrical fireworks;13, shower nozzle;13-1, import;13-2, spray outlet;13-3, side port;13-4, baffle plate.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is further explained, but not in order to limit the present invention.
As shown in Figure 1, processing unit for tail, including exhaust duct 7, aqueous solution casing 1 containing adsorbent and the aqueous solution import 11 being located on casing 1, described adsorbent is activated carbon and pulverized limestone, the content of its each comfortable aqueous solution can be activated carbon 5%, pulverized limestone 2%, it is also possible to other arbitrary values.Described aqueous solution import 11 is provided with an automatic water compensating valve, and this automatic water compensating valve is connected with the secondary water tank in order to moisturizing.Described casing 1 is divided into a filter chamber 2 and multiple surge chamber 3, described surge chamber 3 can be 2 or more than 2 by dividing plate 4, and the present embodiment is 2.It is additionally provided with air vent 8 on last surge chamber 2.Each dividing plate 4 is provided with the crossfire mouth 9 that confession air water circulates mutually, and i.e. tail gas is after filter chamber 2 purifies, and flows to last surge chamber 2 by crossfire mouth 9 and is discharged or for electromotor by air vent 8;And aqueous solution also circulates at casing 1, flowing to after last surge chamber 3 through radiating tube and under the effect of tail gas pressure, aqueous solution flows to, in exhaust duct 7, return in casing 1, constantly circulate.
As shown in Figure 4, being provided with defecator 5 in described filter chamber 2, described defecator 5 includes at least 1 encryption filter 6, can be 1,2,3 or more, and in the present embodiment, defecator 5 includes 4 encryption filters 6.This encryption filter 6 includes that tail gas pressure disappears power cylinder and is located at the shower nozzle 13 that tail gas pressure disappears in power cylinder, described tail gas pressure disappear power cylinder be 3 bottom openings, different-diameter hollow porous cylindrical fireworks 12 from the most sheathed forming to little greatly, and between the top of porous cylindrical fireworks 12, there is difference in height.
As it is shown on figure 3, one end of described exhaust duct 7 connects the exhaust port of internal combustion engine, the other end accesses in filter chamber 2;The present embodiment is preferably, and described exhaust duct one end connects internal combustion engine tail gas discharge mouth, and the other end is branched off into many tail gas arms 10 and accesses in filter chamber 2, is connected with shower nozzle 13 bottom submerged in water respectively.Last surge chamber 3 picks out and the radiating tube of tail gas arm 10 equivalent root, the other end of radiating tube accesses filter chamber 2, one end of i.e. every radiating tube picks out from last surge chamber 3, the other end is all connected with a tail gas arm 10, forms the circulation line of aqueous solution.
Shown in Fig. 2, the bottom of described shower nozzle 13 is the import 13-1 for being passed through tail gas, the top of shower nozzle 13 is provided with the spray outlet 13-2 for gas-liquid injection, and the both sides of shower nozzle 13 are provided with aqueous solutions and flow into side port 13-3 in shower nozzle 13 and the baffle plate 13-4 being arranged over preventing tail gas from escaping of side port 13-3.Described baffle plate 13-4 and side port 13-3 are at an acute angle along shower nozzle 13 vertically downward direction.
The foregoing is only preferred embodiment of the present invention, and the present invention need not be limited, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.

Claims (7)

1. processing unit for tail, including exhaust duct (7), aqueous solution containing adsorbent Casing (1) and the aqueous solution import (11) being located on casing (1), it is characterised in that: described case Body (1) is divided into a filter chamber (2) and multiple surge chamber (3), each dividing plate by dividing plate (4) (4) being provided with the crossfire mouth (9) circulated mutually for air water, described filter chamber is provided with filtration in (2) Device (5), one end of described exhaust duct (7) connects the exhaust port of internal combustion engine, the other end Access in filter chamber (2);Last surge chamber (3) has picked out radiating tube, this radiating tube another Access filter chamber, one end (2), forms the circulation line of aqueous solution, on last surge chamber (3) It is additionally provided with air vent (8);
Described defecator (5) includes at least 1 encryption filter (6), described encryption filter (6) include that tail gas pressure disappears power cylinder and is located at the shower nozzle (13) that tail gas pressure disappears in power cylinder, described tail Atmospheric pressure disappear power cylinder be at least 2 bottom openings, different-diameter hollow porous cylindrical fireworks (12) from greatly The most sheathed form to the least, and between the top of porous cylindrical fireworks (12), there is difference in height.
Processing unit for tail the most according to claim 1, it is characterised in that: described The bottom of shower nozzle (13) is the import (13-1) for being passed through tail gas, and the top of shower nozzle (13) is provided with For the spray outlet (13-2) of gas-liquid injection, the both sides of shower nozzle (13) are provided with aqueous solutions and flow into spray Side port (13-3) in Tou and the baffle plate being arranged over preventing tail gas from escaping of side port (13-3) (13-4)。
Processing unit for tail the most according to claim 2, it is characterised in that: described Baffle plate (13-4) is at an acute angle along shower nozzle vertically downward direction with side port (13-3).
Processing unit for tail the most according to claim 1, it is characterised in that: described Exhaust duct (7) one end connects internal combustion engine tail gas discharge mouth, and the other end is branched off into many tail gas arms (10) access in filter chamber (2), be connected with shower nozzle (13) bottom submerged in water respectively; Described last surge chamber (3) picks out and the radiating tube of tail gas arm (10) equivalent root, often The other end of root radiating tube is all connected with a tail gas arm (10), forms the circulation line of aqueous solution.
Processing unit for tail the most according to claim 1, it is characterised in that: described Adsorbent is activated carbon and pulverized limestone.
Processing unit for tail the most according to claim 1, it is characterised in that: described Aqueous solution import (11) is provided with an automatic water compensating valve, this automatic water compensating valve and the secondary water tank in order to moisturizing Connect.
Processing unit for tail the most according to claim 1, it is characterised in that: described Surge chamber (3) is 2.
CN201410341882.8A 2014-07-17 2014-07-17 Processing unit for tail Active CN104131865B (en)

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CN104131865B true CN104131865B (en) 2016-08-17

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104989497A (en) * 2015-06-08 2015-10-21 含山县全兴内燃机配件有限公司 Efficient filtration neutralization buffering system
CN105507987A (en) * 2015-12-31 2016-04-20 芜湖恒耀汽车零部件有限公司 Energy-saving, environment-friendly and corrosion-resistant automobile exhaust pipe purifier

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003301712A (en) * 2002-04-09 2003-10-24 Kanagawa Prefecture Exhaust emission control device of diesel engine
CN101598056A (en) * 2009-07-04 2009-12-09 汪荣林 Exhaust gas purification muffler for motor vehicle with internal combustion engine
CN202039924U (en) * 2011-03-04 2011-11-16 林平 Waste gas purification device of diesel internal combustion engine
CN102720567A (en) * 2012-06-26 2012-10-10 沈奇丽 Tail gas treating device of internal combustion engine
CN203962113U (en) * 2014-07-17 2014-11-26 沈奇丽 Processing unit for tail

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003301712A (en) * 2002-04-09 2003-10-24 Kanagawa Prefecture Exhaust emission control device of diesel engine
CN101598056A (en) * 2009-07-04 2009-12-09 汪荣林 Exhaust gas purification muffler for motor vehicle with internal combustion engine
CN202039924U (en) * 2011-03-04 2011-11-16 林平 Waste gas purification device of diesel internal combustion engine
CN102720567A (en) * 2012-06-26 2012-10-10 沈奇丽 Tail gas treating device of internal combustion engine
CN203962113U (en) * 2014-07-17 2014-11-26 沈奇丽 Processing unit for tail

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Effective date of registration: 20201020

Address after: Wuhe County Industrial Zone South of the 233300 Anhui city of Bengbu province Xing Hui Road No. 30

Patentee after: ANHUI WANHANG RAIL TRANSIT EQUIPMENT Co.,Ltd.

Address before: 535000, room 5, building 16, 102 Daling Road, Qinnan District, the Guangxi Zhuang Autonomous Region, Qinzhou

Patentee before: Shen Qili

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20141105

Assignee: Changzhou Wanhang Industrial and Mining Equipment Co.,Ltd.

Assignor: ANHUI WANHANG RAIL TRANSIT EQUIPMENT CO.,LTD.

Contract record no.: X2023980031920

Denomination of invention: Exhaust gas treatment device of internal combustion engine

Granted publication date: 20160817

License type: Common License

Record date: 20230209