CN114509272B - Tail gas online purification test system of engine - Google Patents
Tail gas online purification test system of engine Download PDFInfo
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- CN114509272B CN114509272B CN202210059596.7A CN202210059596A CN114509272B CN 114509272 B CN114509272 B CN 114509272B CN 202210059596 A CN202210059596 A CN 202210059596A CN 114509272 B CN114509272 B CN 114509272B
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000000746 purification Methods 0.000 title claims abstract description 30
- 238000005192 partition Methods 0.000 claims abstract description 25
- 210000001503 joint Anatomy 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 abstract description 77
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 15
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- 241001330002 Bambuseae Species 0.000 abstract description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 15
- 239000011425 bamboo Substances 0.000 abstract description 15
- 238000011282 treatment Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002912 waste gas Substances 0.000 description 15
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 150000004763 sulfides Chemical class 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
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- 241001465754 Metazoa Species 0.000 description 1
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- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
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- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
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- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- -1 oxynitride Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/922—Mixtures of carbon monoxide or hydrocarbons and nitrogen oxides
- B01D53/925—Simultaneous elimination of carbon monoxide or hydrocarbons and nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention belongs to the technical field of tail gas purification, and particularly relates to an online tail gas purification testing system of an engine, which comprises a tail gas partial pressure cylinder part and a tail gas purification cylinder part, wherein the tail gas partial pressure cylinder part is used for collecting and treating tail gas, and the tail gas purification cylinder part is in butt joint with the tail gas partial pressure cylinder part and is used for treating tail gas; the tail gas partial pressure section of thick bamboo portion includes annular partial pressure section of thick bamboo, and annular partial pressure section of thick bamboo's middle part is equipped with actuating mechanism, and annular partial pressure section of thick bamboo's inside is equipped with tail gas partition division mechanism, and actuating mechanism is used for driving tail gas partition division mechanism and rotates, and the part has multi-layer purification mechanism in the dead weight section of thick bamboo, and the dead weight presses section of thick bamboo and actuating mechanism butt joint, advantage lies in: the system for online testing of the engine exhaust is designed, and can provide a non-pressure negative pressure space when a large amount of automobile exhaust is treated simultaneously, so that the effect of not influencing a tested engine is achieved, and meanwhile, various discharged exhaust gases can be treated, so that the exhaust treatment range is widened and is more effective.
Description
Technical Field
The invention belongs to the technical field of tail gas purification, and particularly relates to an online tail gas purification test system of an engine.
Background
The automobile exhaust is exhaust gas produced during automobile use, contains hundreds of different compounds, wherein pollutants include solid suspended particles, carbon monoxide, carbon dioxide, hydrocarbon, oxynitride, lead, oxysulfide and the like, and the exhaust gas directly damages human health and can also have profound influence on the environment of human life.
Carbon dioxide (CO 2), sulfide SOx (SO and SO 2), nitrogen oxides NOx (NO and NO 2), fluorochlorohydrocarbons and the like emitted from automobiles make the problems of greenhouse effect, ozone layer destruction, acid rain and other atmospheric environments more serious; the CO, NOx, SOx, unburned hydrocarbon HC, particulate matter PM, odor gas and other polluted air exhausted by the automobile have great harm to human beings, animals and plants.
The test of automobile engine is divided into multiple kinds, including organism test, functional test, engine life test etc. no matter what way, all be to produce a large amount of tail gas, especially to engine life test, incessantly continue to launch in succession usually until accomplishing the test purpose, and tail gas tradition just places in the water, and water pressure can cause pressure to engine exhaust this moment, and if water is too shallow then can make waste gas such as water filtration insufficient and lead to the efflux, also can't deal with different grade type waste gas emission simultaneously to lead to a large amount of waste gas treatment inequality, cause partial pollution, serious like CO pile up in the factory building or other local area and cause harm hidden danger.
Therefore, we propose an on-line purifying and testing system for tail gas of engine to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems, and provides an exhaust gas purifying system which can widen the exhaust gas treatment range more widely and effectively, in particular to an on-line exhaust gas purifying test system of an engine.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the tail gas online purification testing system of the engine comprises a tail gas partial pressure cylinder part and a tail gas purification cylinder part, wherein the tail gas partial pressure cylinder part is used for collecting and treating tail gas, and the tail gas purification cylinder part is in butt joint with the tail gas partial pressure cylinder part and is used for treating tail gas;
the tail gas partial pressure cylinder part comprises an annular partial pressure cylinder, a driving mechanism is arranged in the middle of the annular partial pressure cylinder, a tail gas partition separation mechanism is arranged in the annular partial pressure cylinder, the driving mechanism is used for driving the tail gas partition separation mechanism to rotate, a first pipeline is connected to the lower part of the annular partial pressure cylinder, and the first pipeline is connected with an external engine testing machine;
the tail gas purifying cylinder part comprises a dead weight cylinder, a multi-layer purifying mechanism is arranged in the dead weight cylinder, the dead weight cylinder is in butt joint with the driving mechanism, an air hole is formed in the top of the dead weight cylinder, and a second pipeline connected with the annular pressure dividing cylinder is connected to the bottom of the dead weight cylinder.
In the above-mentioned online purification test system of tail gas of engine, actuating mechanism including set up in annular partial pressure section of thick bamboo center department's rotating plate, the rotating plate extend to in the annular partial pressure section of thick bamboo and with it sliding seal, the rotating plate terminal surface is equipped with linking mechanism, the rotating plate with the exhaust partition separation mechanism is connected and is driven it and is in the annular partial pressure section of thick bamboo internal rotation, the support frame has been erect on the annular partial pressure section of thick bamboo, fixed connection driving motor on the support frame, driving motor's drive shaft with the rotating plate is connected.
In the above-mentioned online purification test system of tail gas of engine, the linking mechanism includes the solid fixed ring that has the recess, gu fixed plug posts of many fixed in the recess of fixed ring, the port of second pipeline runs through the rotor plate and can insert and establish in the dead weight section of thick bamboo.
In the above-mentioned online purification test system of tail gas of engine, tail gas subregion separating mechanism including set up in polylith division board in the annular partial pressure section of thick bamboo, polylith form storage space between the division board, two seal has clamp plate and hydraulic stem between the division board, the hydraulic stem is used for the lift of clamp plate, the division board with rotor plate fixed connection.
In the above-mentioned online purification test system of tail gas of engine, the first pipeline with the second pipeline all with the storage space is linked together, first pipeline with at least one interval between the second pipeline the storage space.
In the above-mentioned online purification test system of tail gas of engine, the middle section disconnection of first pipeline forms the breach to be connected with a rubber ring cover, two sections of rubber ring cover linking breach.
In the above-mentioned online purification test system of tail gas of engine, the bottom of dead weight pressure section of thick bamboo is equipped with the caulking groove that corresponds the solid fixed ring, be equipped with in the caulking groove and correspond the jack of fixed inserted column.
In the above-mentioned online purification test system of tail gas of engine, purifying mechanism includes the polylith baffle, and the polylith the baffle is equidistant lamellar arrangement in the self-weight pressure section of thick bamboo, form the purification space between the baffle, it has the purifying fluid to pack in the purification space, it has the third pipeline to alternate on the baffle, the one end of third pipeline is located the baffle upper strata, the other end is located the baffle lower floor.
In the above-mentioned online purification test system of tail gas of engine, inlay on the terminal surface of baffle has the backing plate, laid the pipeline in the backing plate, be equipped with a plurality of second gas pockets on the pipeline, the backing plate with the upper port intercommunication of third pipeline.
In the above-mentioned online purification test system of tail gas of engine, the outside of dead weight pressure section of thick bamboo encircles there is the heating pipe, the port of heating pipe exposes, contain the passageway in the inner wall of dead weight pressure section of thick bamboo, be connected with air exhauster and three-way valve in the passageway, the heating pipe with three-way valve is linked together, its inside contains the spark plug, the both ends of passageway are connected with the space of upper strata baffle and the space of lower floor baffle respectively.
The invention designs a system for carrying out online test on the tail gas of an engine, which is compared with the prior art:
1. according to the invention, through the cooperation of the annular pressure dividing cylinder, the rotating plate, the pressing plate and the partition plate, the exhaust gas is discharged into the annular pressure dividing cylinder by the first pipeline, and is separated in batches by the partition plate, so that a negative pressure environment without discharge pressure is formed, the engine is not blocked by external exhaust pressure, and the effect of not influencing the tested engine is achieved.
2. According to the invention, through the cooperation of the self-weight pressing cylinder, the baffle plate, the third pipeline and the exhaust fan, the effect of purifying the automobile exhaust step by utilizing the space divided by the inner layer of the self-weight pressing cylinder is achieved, so that the tail gas can be purified to the maximum extent, and meanwhile, the tail gas can be circularly purified for unlimited times, so that the effectiveness of the tail gas is ensured, and meanwhile, various discharged waste gases can be treated, so that the waste gas treatment range is widened and is more effective.
Drawings
FIG. 1 is a schematic diagram of the external structure of an engine exhaust on-line purification test system provided by the invention;
FIG. 2 is a cross-sectional view of the annular partial pressure cartridge of FIG. 1;
FIG. 3 is a schematic view of the bottom structure of FIG. 2;
FIG. 4 is a schematic view of the annular pressure divider of FIG. 1;
FIG. 5 is a perspective view of the annular partial pressure cartridge of FIG. 4;
FIG. 6 is a cross-sectional view of the gravity cylinder of FIG. 1;
FIG. 7 is another angular cross-sectional view of FIG. 6;
FIG. 8 is a sectional view of the gravity cylinder of example 2;
fig. 9 is a partial enlarged view at a in fig. 8.
In the figure, a ring-shaped pressure dividing cylinder, a driving mechanism, a tail gas partition separating mechanism, a first pipeline, a self-weight pressure cylinder, a purifying mechanism, a 7 air hole, a second pipeline, a rotating plate 9, a connecting mechanism, a supporting frame 11, a driving motor 12, a fixed ring 13, a fixed inserting column 14, a separating plate 15, a storage space 16, a pressing plate 17, a hydraulic rod 18, a three-way valve 19, a rubber ring cover 20, an exhaust fan 21, a caulking groove 22, a baffle plate 23, a purifying space 24, a purifying liquid 25, a third pipeline 26, a backing plate 27, a heating pipe 28 and a channel 29 are arranged in the figure.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1-7, an on-line exhaust gas purifying and testing system for an engine includes an exhaust gas partial pressure cylinder portion and an exhaust gas purifying cylinder portion, which are mutually matched, wherein the exhaust gas partial pressure cylinder portion is used for collecting and treating exhaust gas of the engine, and is butted and tested for separating, discharging and treating the exhaust gas, and the exhaust gas purifying cylinder portion is butted with the exhaust gas partial pressure cylinder portion for treating the exhaust gas and carrying out multi-stage exhaust gas purifying treatment, so that the final purifying operation of the exhaust gas is completed.
As shown in fig. 1-5, the tail gas partial pressure cylinder part comprises an annular partial pressure cylinder 1, the annular partial pressure cylinder 1 is in a circular ring shape, a supporting rack can be erected at the bottom, and meanwhile, the rack can be used for fixing, and the main function of the tail gas partial pressure cylinder part is that equipment is lifted outside the fixing so as to facilitate the coordination between moving and parts, the annular partial pressure cylinder 1 is made of aluminum alloy materials and is coated with a chromium plating coating, the long-acting effect is achieved in the aspects of wear resistance and compression resistance, a driving mechanism 2 is arranged in the middle of the annular partial pressure cylinder 1, and driving force is provided for integral rotating parts inside the annular partial pressure cylinder 1;
as shown in fig. 6-7, the inside of the annular pressure dividing cylinder 1 is provided with a tail gas partition separating mechanism 3, the driving mechanism 2 is used for driving the tail gas partition separating mechanism 3 to rotate, the driving mechanism 2 comprises a rotating plate 9 arranged at the center of the annular pressure dividing cylinder 1, the rotating plate 9 fills the space inside the annular pressure dividing cylinder 1, the rotating plate 9 extends into the annular pressure dividing cylinder 1 and is in sliding seal with the annular pressure dividing cylinder 1, the rotating plate 9 can rotate in the annular pressure dividing cylinder 1, a sealing state is kept between gaps to prevent gas leakage, the end face of the rotating plate 9 is provided with a connecting mechanism 10 for abutting against the self-weight pressure cylinder 5, specifically, the connecting mechanism 10 comprises a fixed ring 13 with a groove, the fixed ring 13 is arranged at the center of the annular pressure dividing cylinder 1, the groove and the fixed ring 13 are synchronously arranged in a ring mode and are mainly used for clamping the self-weight cylinder 5 and abutting against the self-weight cylinder, a plurality of fixed inserting columns 14 are fixed in the groove of the fixed ring 13, holes corresponding to the fixed inserting columns 14 are arranged at the bottom of the self-weight pressure cylinder 5, accordingly, the self-weight cylinder 5 can be further fixed through the fixed inserting columns 14 during abutting against the self-weight cylinder 5, and the self-weight cylinder 14 can be prevented from being inclined in a partial direction in a vertical direction and stable condition when the self-weight cylinder is still stressed.
The bottom of the dead weight pressure cylinder 5 is connected with a second pipeline 8 and an annular pressure cylinder 1, the second pipeline 8 is used for connecting the annular pressure cylinder 1 and the dead weight pressure cylinder 5, the port of the second pipeline 8 penetrates through a rotating plate 9 and can be inserted into the dead weight pressure cylinder 5, waste gas separated in the annular pressure cylinder 1 is introduced into the dead weight pressure cylinder 5 for treatment, the rotating plate 9 is connected with a tail gas partition mechanism 3 to drive the waste gas to rotate in the annular pressure cylinder 1, a supporting frame 11 is erected on the annular pressure cylinder 1, the supporting frame 11 is fixedly connected with the inner wall of the annular pressure cylinder 1, a driving motor 12 is fixedly connected to the supporting frame 11, the supporting frame 11 is mainly used for supporting a driving motor 12, the supporting frame 11 is also connected with a supporting rack at the lower part, the design of the supporting frame 11 can also be used as a part of the supporting rack, a driving shaft of the driving motor 12 is connected with the rotating plate 9, the rotating plate 9 is driven to rotate after the driving motor 12 is started, and the part of the rotating plate 9 in the annular pressure cylinder 1 can drive a partition plate 15 to move, so that the waste gas is circularly rotated in the annular pressure cylinder 1, different waste gas partitions are driven to perform circulation treatment, and the different waste gas partition treatments are effectively matched with the engine to perform long-term operation and long-term operation.
As shown in fig. 2, the exhaust gas partition separating mechanism 3 includes a plurality of separating plates 15 disposed in the annular pressure dividing cylinder 1, the function of the separating plates 15 is disclosed above, a storage space 16 is formed between the plurality of separating plates 15, the storage space 16 is a main purpose of the existence of the separating plates 15, the function of the separating plates is to quantitatively accommodate exhaust gas exhausted by an automobile engine, a pressing plate 17 and a hydraulic rod 18 are sealed between the two separating plates 15, the hydraulic rod 18 is used for lifting the pressing plate 17, in contrast, a plurality of air holes 7 are disposed at the top of the annular pressure dividing cylinder 1, the pressing plate 17 is not caused to have air pressure at the upper part during lifting, the hydraulic rod 18 drives the pressing plate 17 to perform up-down operation, thereby forming a negative pressure state or extrusion action in the storage space 16, the separating plates 15 are fixedly connected with the rotating plate 9, the lower part of the annular pressure dividing cylinder 1 is connected with a first pipeline 4, and the first pipeline 4 is connected with an external engine testing machine.
The first pipeline 4 and the second pipeline 8 are communicated with the storage space 16, at least one storage space 16 is arranged between the first pipeline 4 and the second pipeline 8, the space between the first pipeline 4 and the second pipeline 8 influences the overall treatment efficiency of the annular pressure dividing cylinder 1, and the space between the first pipeline 4 and the second pipeline 8 is in an idle state, so that the distance between the first pipeline 4 and the second pipeline needs to be regulated and controlled according to requirements, but the optimal positions are not necessarily arranged directly adjacent to each other, or valves are additionally arranged in the first pipeline 4 and the second pipeline 8 when the first pipeline and the second pipeline are arranged adjacent to each other.
The tail gas purifying tube part comprises a dead weight tube 5, the bottom of the dead weight tube 5 is provided with a caulking groove 22 corresponding to the fixed ring 13, the caulking groove 22 is internally provided with an inserting hole corresponding to the fixed inserting column 14, the inner part of the dead weight tube 5 is provided with a multi-layer purifying mechanism 6, the purifying mechanism 6 comprises a plurality of baffle plates 23, the baffle plates 23 are arranged in an equidistant layered mode in the dead weight tube 5, a purifying space 24 is formed between the baffle plates 23, purifying liquid 25 is filled in the purifying space 24, the purifying liquid 25 is the largest solution filled in the purifying space 24, the purifying liquid 25 can be water, chemical solution and the like, hydrocarbon and CO, NOX, NH3 contained in tail gas can be well compatible with the aqueous solution, and the solution can be changed when different test gasoline (fuel) is encountered, so that a better dissolving effect is formed.
The end face of the baffle 23 is embedded with a backing plate 27, a pipeline is arranged in the backing plate 27, a plurality of second air holes are formed in the pipeline, the backing plate 27 is communicated with the upper layer port of the third pipeline 26, the baffle 23 is inserted with the third pipeline 26, an impeller is arranged on the third pipeline 26 and used for pumping operation, one end of the third pipeline 26 is located on the upper layer of the baffle 23, the other end of the third pipeline 26 is located on the lower layer of the baffle 23, the lower layer port of the third pipeline 26 can be in various shapes, a straight tubular shape is shown in fig. 7, air flow inlets and outlets are densely distributed on the tubular surface, after the solution is purified, the air flow inlets and outlets better enter the third pipeline 26, after the third pipeline 26 is led into the backing plate 27, the air flow can better contact with the internal solution through the pipeline and the second air holes, so that the effect of full dissolution and purification is achieved, the dead weight pressure cylinder 5 is in butt joint with the driving mechanism 2, and the air holes 7 are formed at the top of the dead weight pressure cylinder 5 and used for discharging waste gas which cannot be absorbed finally and has small toxic effect.
Example 2
As shown in fig. 1-2, the middle section of the first pipe 4 is broken to form a gap, the gap divides the first pipe 4 into two parts and is connected with a rubber ring cover 20, the rubber ring cover 20 is connected with two sections of the gap, and a temporary solution way can be provided after one end is problematic when exhaust gas is discharged, so that the internal pressure of the first pipe 4 is not excessive, and meanwhile, a better guarantee efficacy is maintained.
Example 3
As shown in fig. 8-9, the heating pipe 28 is surrounded on the outside of the dead weight cylinder 5, the port of the heating pipe 28 is exposed, the inner wall of the dead weight cylinder 5 contains a channel 29, the heating pipe 28 is partially communicated with the channel 29, the channel 29 is connected with the exhaust fan 21 and the three-way valve 19, under the action of the exhaust fan 21, the purifying space 24 at the top and the bottom can be communicated through the channel 29, thereby forming a circulation to continuously purify the waste gas solution until the waste gas solution meets the emission standard, the heating pipe 28 is communicated with the three-way valve 19, the inner wall of the heating pipe 28 can be partially hollow, thereby allowing the external air to enter, the inner wall of the dead weight cylinder is internally provided with a spark plug, the two ends of the channel 29 are respectively connected with the space of the uppermost baffle 23 and the space of the lowermost baffle 23, and a great amount of CO and a small amount of sulfides are ignited in the inner wall of the heating pipe 28, so that the waste gas is converted into CO2 as much as possible for emission, thereby further reducing pollution, meanwhile, the warm state can be matched with the aqueous solution to accelerate the absorption of sulfides and nitrogen oxides, so that the waste gas solution has better sustainable cold circulation effect on the dead weight cylinder 5 in winter.
Although terms of the annular pressure dividing cylinder 1, the driving mechanism 2, the exhaust gas partition dividing mechanism 3, the first pipe 4, the dead weight pressure cylinder 5, the purge mechanism 6, the air hole 7, the second pipe 8, the rotating plate 9, the engagement mechanism 10, the supporting frame 11, the driving motor 12, the fixing ring 13, the fixing plunger 14, the partition plate 15, the storage space 16, the pressing plate 17, the hydraulic rod 18, the three-way valve 19, the rubber ring cover 20, the exhaust fan 21, the caulking groove 22, the baffle plate 23, the purge space 24, the purge liquid 25, the third pipe 26, the backing plate 27, the heating pipe 28, the passage 29, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (6)
1. The tail gas online purification testing system of the engine is characterized by comprising a tail gas partial pressure cylinder part and a tail gas purification cylinder part, wherein the tail gas partial pressure cylinder part is used for collecting and treating tail gas, and the tail gas purification cylinder part is in butt joint with the tail gas partial pressure cylinder part and is used for treating tail gas;
the tail gas partial pressure cylinder part comprises an annular partial pressure cylinder, a driving mechanism is arranged in the middle of the annular partial pressure cylinder, a tail gas partition separation mechanism is arranged in the annular partial pressure cylinder, the driving mechanism is used for driving the tail gas partition separation mechanism to rotate, a first pipeline is connected to the lower part of the annular partial pressure cylinder, and the first pipeline is connected with an external engine testing machine;
the tail gas purifying cylinder part comprises a dead weight cylinder, wherein a multi-layer purifying mechanism is arranged in the dead weight cylinder, the dead weight cylinder is in butt joint with the driving mechanism, an air hole is formed in the top of the dead weight cylinder, and a second pipeline connected with the annular pressure dividing cylinder is connected to the bottom of the dead weight cylinder;
the driving mechanism comprises a rotating plate arranged at the center of the annular pressure dividing cylinder, the rotating plate extends into the annular pressure dividing cylinder and is in sliding seal with the annular pressure dividing cylinder, a connecting mechanism is arranged on the end face of the rotating plate, the rotating plate is connected with the tail gas partition separating mechanism to drive the rotating plate to rotate in the annular pressure dividing cylinder, a supporting frame is erected on the annular pressure dividing cylinder, a driving motor is fixedly connected to the supporting frame, and a driving shaft of the driving motor is connected with the rotating plate;
the connecting mechanism comprises a fixed ring with a groove, a plurality of fixed inserting columns are fixed in the groove of the fixed ring, and the port of the second pipeline penetrates through the rotating plate and can be inserted into the self-weight pressing cylinder;
the tail gas partition separation mechanism comprises a plurality of partition plates arranged in the annular pressure division cylinder, a storage space is formed among the plurality of partition plates, a pressing plate and a hydraulic rod are sealed between the two partition plates, the hydraulic rod is used for lifting the pressing plate, and the partition plates are fixedly connected with the rotating plate;
the first pipeline and the second pipeline are communicated with the storage space, and at least one storage space is arranged between the first pipeline and the second pipeline.
2. The on-line engine exhaust gas purifying test system according to claim 1, wherein the middle section of the first pipe is broken to form a notch, and is connected with a rubber ring cover, and the rubber ring cover is connected with two sections of the notch.
3. The system for on-line purifying and testing the tail gas of the engine according to claim 1, wherein the bottom of the dead weight pressing cylinder is provided with a caulking groove corresponding to the fixing ring, and the caulking groove is internally provided with a jack corresponding to the fixing inserting column.
4. The on-line exhaust gas purifying and testing system for an engine according to claim 1, wherein the purifying mechanism comprises a plurality of baffles, the baffles are equidistantly and layered in the self-weight cylinder, a purifying space is formed between the baffles, purifying liquid is filled in the purifying space, a third pipeline is inserted in the baffles, one end of the third pipeline is located on the upper layer of the baffles, and the other end of the third pipeline is located on the lower layer of the baffles.
5. The on-line engine exhaust purification test system according to claim 4, wherein a backing plate is inlaid on the end face of the baffle plate, a pipeline is arranged in the backing plate, a plurality of second air holes are arranged on the pipeline, and the backing plate is communicated with an upper port of the third pipeline.
6. The on-line engine exhaust purification test system according to claim 4, wherein a heating pipe is surrounded on the outer side of the dead weight cylinder, a port of the heating pipe is exposed, a channel is formed in the inner wall of the dead weight cylinder, an exhaust fan and a three-way valve are connected in the channel, the heating pipe is communicated with the three-way valve, a spark plug is arranged in the heating pipe, and two ends of the channel are respectively connected with the space of the baffle plate on the uppermost layer and the space of the baffle plate on the lowermost layer.
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| CN202210059596.7A CN114509272B (en) | 2022-01-19 | 2022-01-19 | Tail gas online purification test system of engine |
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