CN111749762A - Automobile exhaust emission purification system - Google Patents
Automobile exhaust emission purification system Download PDFInfo
- Publication number
- CN111749762A CN111749762A CN202010648449.4A CN202010648449A CN111749762A CN 111749762 A CN111749762 A CN 111749762A CN 202010648449 A CN202010648449 A CN 202010648449A CN 111749762 A CN111749762 A CN 111749762A
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- Prior art keywords
- purification
- sliding plug
- liquid
- rotating shaft
- purification box
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/01—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust by means of electric or electrostatic separators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/085—Sulfur or sulfur oxides
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses an automobile exhaust emission purification system which comprises a purification box, wherein purification liquid is filled in the purification box, the bottom in the purification box is rotatably connected with a hollow rotating shaft, the side wall of the purification box is connected with an air inlet pipe, the lower end of the hollow rotating shaft is rotatably connected with the upper end of the air inlet pipe, the upper end of the purification box is connected with an exhaust pipe, the side wall of the hollow rotating shaft is connected with a plurality of branch pipes, the side walls of the hollow rotating shaft and the branch pipes are respectively provided with a plurality of air outlet holes, and the lower end of the purification box is provided with a sliding plug cavity. According to the tail gas purification device, the tail gas can heat the evaporated liquid, so that the temperature in the evaporated liquid is increased rapidly, the gasification amount of the evaporated liquid is increased, the magnetic sliding plug is pushed to slide, the rack drives the gear to rotate, the hollow rotating shaft drives the bifurcated pipe to rotate in the purification box, the purification liquid in the purification box is stirred, the tail gas is in contact with the purification liquid in a larger area, and the purification of sulfide in the tail gas is further improved.
Description
Technical Field
The invention relates to the technical field of automobile exhaust treatment, in particular to an automobile exhaust emission purification system.
Background
Automobile exhaust is the waste gas that produces when the automobile is used, and tail gas direct discharge not only causes harm to people's health in to the air, still can bring the influence to air quality, especially the sulfur dioxide that exists in the tail gas, and sulfur dioxide's concentration reaches the certain degree when the air leads to the emergence of acid rain easily, influences the growth of crops and forest.
Although automobile exhaust is treated correspondingly by a purifier in the existing automobile, harmful gas contained in the exhaust is not completely treated, a certain amount of sulfide contained in the exhaust enters the air, and the harm of the exhaust discharged by the automobile to the air is more and more serious as the number of the existing automobiles is more and more, so that the concentration of sulfur dioxide in the air is also increased gradually, and the harm to the living environment of people is also reduced.
Based on the automobile exhaust emission purification system, the invention designs the automobile exhaust emission purification system.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an automobile exhaust emission purification system.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automobile exhaust emission purification system comprises a purification box, wherein purification liquid is filled in the purification box, a hollow rotating shaft is rotatably connected to the bottom in the purification box, an air inlet pipe is connected to the side wall of the purification box, the lower end of the hollow rotating shaft is rotatably connected to the upper end of the air inlet pipe, an exhaust pipe is connected to the upper end of the purification box, a plurality of bifurcated pipes are connected to the side wall of the hollow rotating shaft, a plurality of air outlet holes are formed in the side walls of the hollow rotating shaft and the bifurcated pipes, a sliding plug cavity is formed in the lower end of the purification box, a magnetic sliding plug is connected to the inner wall of the sliding plug cavity in a sealing and sliding manner, evaporated liquid is filled in a closed space formed by the right side of the magnetic sliding plug and the inner wall of the sliding plug cavity, the lower end of the hollow rotating shaft penetrates through the bottom in the purification box and extends into the sliding plug, the magnetic sliding plug is characterized in that a magnetic plate is fixedly connected to the inner wall of the sliding plug cavity, which is located on the left side of the magnetic sliding plug, the same poles of the magnetic plate and the magnetic sliding plug repel each other, and a circulating mechanism for cooling and circulating evaporated liquid is installed in the purifying box.
Preferably, circulation mechanism includes the liquid reserve tank, the cooling chamber has been seted up to the purifying box lower extreme, the cooling intracavity is filled there is the coolant liquid, liquid reserve tank inner wall and cooling intracavity bottom fixed connection, sliding plug intracavity wall passes through the outlet duct and is connected with liquid reserve tank inner wall, liquid reserve tank inner wall passes through the feed liquor pipe and is connected with sliding plug intracavity wall.
Preferably, a check valve which only allows gas to flow into the hollow rotating shaft from the gas inlet pipe is installed below the inner wall of the hollow rotating shaft, and a pressure release valve is installed in the liquid inlet pipe.
Preferably, the inner wall of the purification box is fixedly connected with a transverse plate above, the upper end of the hollow rotating shaft is fixedly connected with a vertical rod, the upper end of the vertical rod penetrates through the side wall of the transverse plate and is fixedly connected with a plurality of fan blades, the end, away from the vertical rod, of each fan blade is in a taper shape, and permanent magnets are symmetrically arranged on the top and the upper end of the transverse plate in the purification box.
The invention has the following beneficial effects:
1. through the arrangement of the hollow rotating shaft, the bifurcated pipe and the air outlet hole, tail gas in the air inlet pipe can be uniformly introduced into the purifying box, so that the contact area of the tail gas and purifying liquid is increased, and the purification of sulfide in the tail gas is accelerated;
2. by arranging the magnetic sliding plug, the gear, the rack and the evaporation liquid, because the temperature in the tail gas is higher, when the tail gas enters the hollow rotating shaft through the air inlet pipe, the evaporation liquid can be heated, the temperature in the evaporation liquid is rapidly increased, the gasification amount of the evaporation liquid is increased, the magnetic sliding plug is further pushed to slide, the rack drives the gear to rotate, the hollow rotating shaft drives the bifurcated pipe to rotate in the purifying box, the purifying liquid in the purifying box is stirred, the purifying liquid is uniformly mixed to purify the sulfide in the tail gas, and meanwhile, along with the rotation of the hollow rotating shaft and the bifurcated pipe, the tail gas is in contact with the purifying liquid in a larger area, and the purification of the sulfide in the tail gas is further promoted;
3. by arranging the cooling cavity, the liquid storage tank, the air outlet pipe, the liquid inlet pipe and the magnetic plate, when the magnetic sliding plug is pushed by the gaseous evaporating liquid to sweep over the pipe orifice of the air outlet pipe, the gaseous evaporating liquid enters the liquid storage tank through the air outlet pipe, the gaseous evaporating liquid is liquefied again under the action of the cooling cavity and is accumulated in the liquid storage tank, the pressure in the sliding plug cavity is reduced along with the outflow of the gaseous evaporating liquid, the magnetic sliding plug returns to the original position under the action of the magnetic repulsion force of the magnetic plate, the gear is driven by the rack to rotate again, the evaporating liquid in the liquid storage tank flows into the sliding plug cavity again through the liquid inlet pipe along with the return of the magnetic sliding plug, the evaporating liquid is heated again under the action of the heat in tail gas, the magnetic sliding plug is pushed to slide again, the operation is repeated, the magnetic sliding plug slides back and forth on the inner wall of the sliding plug cavity, and then, the purification efficiency of the sulfide in the tail gas is accelerated;
4. through setting up montant, flabellum and permanent magnetism piece, the continuous magnetic induction line between two permanent magnetism pieces of cutting when the flabellum rotates for electron on the flabellum is at the continuous towards its most advanced removal of lorentz force's effect, and constantly gathers at its most advanced, and makes the electron diffuse to the air under the wind-force effect that the flabellum rotated the production, forms the anion beam, and then realizes purifying once more to the tail gas after the purification, promotes the purification quality of tail gas.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
In the figure: the device comprises a purification box 1, an air inlet pipe 2, an air outlet pipe 3, a hollow rotating shaft 4, a bifurcated pipe 5, an air outlet hole 6, a sliding plug cavity 7, a magnetic sliding plug 8, a rack 9, a gear 10, a magnetic plate 11, a cooling cavity 12, a liquid storage box 13, an air outlet pipe 14, a liquid inlet pipe 15, a transverse plate 16, a vertical rod 17, fan blades 18 and permanent magnets 19.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Example one
Referring to fig. 1, an automobile exhaust emission purification system comprises a purification box 1, the purification box 1 is filled with purification liquid, further, the purification liquid can adopt water, so that the use cost of the purification liquid is low, the bottom of the purification box 1 is rotatably connected with a hollow rotating shaft 4, the side wall of the purification box 1 is connected with an air inlet pipe 2, the lower end of the hollow rotating shaft 4 is rotatably connected with the upper end of the air inlet pipe 2, the upper end of the purification box 1 is connected with an exhaust pipe 3, the side wall of the hollow rotating shaft 4 is connected with a plurality of branch pipes 5, the side walls of the hollow rotating shaft and the plurality of branch pipes 5 are respectively provided with a plurality of air outlet holes 6, further, the branch pipes 5 can uniformly introduce the exhaust into the purification box 1, the contact area between the exhaust and the purification liquid is increased, the lower end of the purification box 1 is provided with a sliding plug cavity 7, the inner wall of the sliding plug cavity 7 is hermetically and slidably connected with a magnetic sliding plug 8, the device is used for balancing the pressure generated when the magnetic sliding plug 8 slides on the inner wall of the sliding plug cavity 7, an evaporation liquid is filled in a closed space formed by the right side of the magnetic sliding plug 8 and the inner wall of the sliding plug cavity 7, and it is to be noted that the evaporation liquid can be diethyl ether solution, the boiling point of the diethyl ether solution is 34.6 ℃, so that the diethyl ether solution can be rapidly vaporized under the action of heat in tail gas, the lower end of the hollow rotating shaft 4 penetrates through the bottom in the purifying box 1 and extends into the sliding plug cavity 7, the lower end of the hollow rotating shaft 4 is fixedly connected with a gear 10, the side wall of the magnetic sliding plug 8 is fixedly connected with a rack 9 meshed and connected with the gear 10, further, when the magnetic sliding plug 8 slides on the inner wall of the sliding plug cavity 7, the rack 9 drives the gear 10 to rotate, so that the hollow rotating shaft 4 and the branch pipe 5 rotate, so that the tail gas contacts with, the inner wall of the sliding plug cavity 7, which is positioned on the left side of the magnetic sliding plug 8, is fixedly connected with a magnetic plate 11, the same poles of the magnetic plate 11 and the magnetic sliding plug 8 are mutually repelled, and a circulating mechanism for cooling and circulating evaporated liquid is installed in the purifying box 1.
Circulation mechanism includes liquid reserve tank 13, cooling chamber 12 has been seted up to 1 lower extreme of purifying box, cooling chamber 12 intussuseption is filled with the coolant liquid, bottom fixed connection in liquid reserve tank 13 inner wall and the cooling chamber 12, 7 inner walls in sliding plug chamber pass through outlet duct 14 and the interior wall connection of liquid reserve tank 13, it needs to explain, the mouth of pipe that outlet duct 14 is located in liquid reserve tank 13 is the level setting, evaporation liquid after avoiding the rapid liquefaction flows back to in the outlet duct 14, liquid reserve tank 13 inner wall passes through feed liquor pipe 15 and the 7 interior wall connections in sliding plug chamber, it is further, the bottom is the slope setting in the liquid reserve tank 13, be convenient for to the concentration of evaporation liquid after the cooling.
A one-way valve which only allows gas to flow into the hollow rotating shaft 4 from the gas inlet pipe 2 is arranged below the inner wall of the hollow rotating shaft 4, and a pressure release valve is arranged in the liquid inlet pipe 15.
In the embodiment, tail gas generated by an automobile enters the hollow rotating shaft 4 through the air inlet pipe 2 and is discharged through the air outlet holes 6 formed in the side walls of the hollow rotating shaft 4 and the branch pipe 5 to be contacted with the purifying liquid, so that sulfide in the tail gas is purified;
because automobile exhaust contains a large amount of heat, as the exhaust continuously passes through the air inlet pipe 2 and the middle idle shaft 4, the temperature of the evaporated liquid filled in the sliding plug cavity 7 can be raised, so that the gasification amount of the evaporated liquid is increased, the thrust of the gaseous evaporated liquid to the magnetic sliding plug 8 is greater than the magnetic repulsion of the magnetic plate 11 to the magnetic sliding plug 8, the magnetic sliding plug 8 is pushed to slide, the rack 9 fixedly connected to the side wall of the magnetic sliding plug 8 drives the gear 10 to rotate, the hollow rotating shaft 4 drives the bifurcated pipe 5 to rotate in the purifying box 1, the purifying liquid in the purifying box 1 is stirred, and the purifying liquid is uniformly mixed to purify sulfide in the exhaust;
when the magnetic sliding plug 8 is pushed to pass through the orifice of the gas outlet pipe 14 under the action of the gaseous evaporating liquid, the gaseous evaporating liquid enters the liquid storage tank 13 through the gas outlet pipe 14, and the gaseous evaporating liquid is cooled and liquefied under the action of the cooling cavity 12, so that the liquefied evaporating liquid is stored in the liquid storage tank 13, and along with the continuous discharge of the gaseous evaporating liquid from the gas outlet pipe 14, the magnetic repulsion force of the magnetic plate 11 on the magnetic sliding plug 8 is greater than the pushing force of the gaseous evaporating liquid on the magnetic sliding plug 8, the magnetic sliding plug 8 is further pushed to the original position under the action of the magnetic repulsion force, the gravity of the evaporating liquid in the liquid storage tank 13 is greater than the critical value of the pressure release valve, the evaporating liquid in the liquid storage tank 13 enters the sliding plug cavity 7 again through the liquid inlet pipe 15, the evaporating liquid is heated again under the action of heat in tail gas, the magnetic sliding plug 8 is further pushed to slide again, and, the magnetic sliding plug 8 slides back and forth on the inner wall of the sliding plug cavity 7, so that the hollow rotating shaft 4 is driven to rotate back and forth, and the purification efficiency of the sulfur-containing compounds in the tail gas is improved.
Example two
Referring to fig. 2, the difference from the first embodiment is that a transverse plate 16 is fixedly connected above the inner wall of the purification box 1, a vertical rod 17 is fixedly connected to the upper end of the hollow rotating shaft 4, the upper end of the vertical rod 17 penetrates through the side wall of the transverse plate 16 and is fixedly connected with a plurality of fan blades 18, one ends of the fan blades 18 far away from the vertical rod 17 are both in a taper shape, permanent magnets 19 symmetrically arranged are fixedly connected to the top of the purification box 1 and the upper end of the transverse plate 16, and a closed magnetic field is formed between the two permanent magnets 19.
In this embodiment, hollow rotating shaft 4 drives flabellum 18 through montant 17 when making a round trip to rotate and makes a round trip to rotate, and then flabellum 18 is continuous to cut the magnetic induction line between two permanent magnetism piece 19 when rotating, make the electron on the flabellum 18 continuous towards its most advanced removal of effect at the lorentz force, and constantly gather at its most advanced, and make the electron diffuse in the air under the wind-force effect that flabellum 18 rotated the production, form the negative ion beam, and discharge from blast pipe 3, and then realize purifying the tail gas after the purification once more, promote the purifying quality of tail gas.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. The automobile exhaust emission purification system comprises a purification box (1), wherein the purification box (1) is filled with purification liquid, and is characterized in that the bottom of the purification box (1) is rotatably connected with a hollow rotating shaft (4), the side wall of the purification box (1) is connected with an air inlet pipe (2), the lower end of the hollow rotating shaft (4) is rotatably connected with the upper end of the air inlet pipe (2), the upper end of the purification box (1) is connected with an exhaust pipe (3), the side wall of the hollow rotating shaft (4) is connected with a plurality of bifurcated pipes (5), the side walls of the hollow rotating shaft and the bifurcated pipes (5) are respectively provided with a plurality of air outlet holes (6), the lower end of the purification box (1) is provided with a sliding plug cavity (7), the inner wall of the sliding plug cavity (7) is in sealing sliding connection with a magnetic sliding plug (8), and the closed space formed by the right side of the magnetic sliding plug (8), the utility model discloses a purification box, including cavity pivot (4), rack (9) that cavity pivot (4) lower extreme run through bottom in the purification box (1) and extend to in sliding plug chamber (7), cavity pivot (4) lower extreme fixedly connected with gear (10), magnetism sliding plug (8) lateral wall fixedly connected with is connected with gear (10) meshing, sliding plug chamber (7) are located fixedly connected with magnetic sheet (11) on the left inner wall of magnetism sliding plug (8), and magnetic sheet (11) and magnetism sliding plug (8) homopolar repulsion each other, install in purification box (1) and carry out cooling cycle's circulation mechanism to the evaporating liquid after the evaporation.
2. The automobile exhaust emission purification system according to claim 1, wherein the circulation mechanism comprises a liquid storage tank (13), a cooling cavity (12) is formed in the lower end of the purification tank (1), the cooling cavity (12) is filled with cooling liquid, the inner wall of the liquid storage tank (13) is fixedly connected with the bottom of the cooling cavity (12), the inner wall of the sliding plug cavity (7) is connected with the inner wall of the liquid storage tank (13) through an air outlet pipe (14), and the inner wall of the liquid storage tank (13) is connected with the inner wall of the sliding plug cavity (7) through a liquid inlet pipe (15).
3. The automobile exhaust emission purification system according to claim 2, characterized in that a one-way valve which only allows gas to flow from the gas inlet pipe (2) into the hollow rotating shaft (4) is installed below the inner wall of the hollow rotating shaft (4), and a pressure relief valve is installed in the liquid inlet pipe (15).
4. The automobile exhaust emission purification system according to claim 1, characterized in that a transverse plate (16) is fixedly connected above the inner wall of the purification box (1), a vertical rod (17) is fixedly connected to the upper end of the hollow rotating shaft (4), the upper end of the vertical rod (17) penetrates through the side wall of the transverse plate (16) and is fixedly connected with a plurality of fan blades (18), one ends of the fan blades (18) far away from the vertical rod (17) are in a taper shape, and symmetrically arranged permanent magnets (19) are fixedly connected to the inner top of the purification box (1) and the upper end of the transverse plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010648449.4A CN111749762A (en) | 2020-07-07 | 2020-07-07 | Automobile exhaust emission purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010648449.4A CN111749762A (en) | 2020-07-07 | 2020-07-07 | Automobile exhaust emission purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111749762A true CN111749762A (en) | 2020-10-09 |
Family
ID=72680125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010648449.4A Withdrawn CN111749762A (en) | 2020-07-07 | 2020-07-07 | Automobile exhaust emission purification system |
Country Status (1)
| Country | Link |
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| CN (1) | CN111749762A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983599A (en) * | 2020-12-29 | 2021-06-18 | 翟荣梅 | Precooling mechanism of three-way catalyst |
| CN114100334A (en) * | 2022-01-27 | 2022-03-01 | 中浩建能源科技(山东)有限公司 | MTBE desulfurization system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6361707A (en) * | 1986-09-01 | 1988-03-17 | Yoshie Nishizaki | Exhaust gas purifying and muffling device for internal combustion engine |
| CN104314645A (en) * | 2014-08-18 | 2015-01-28 | 杨小东 | Automotive exhaust purification device |
| CN110839448A (en) * | 2019-11-28 | 2020-02-28 | 周振豪 | Ecological environmental protection vegetable planting system |
| CN110880282A (en) * | 2019-12-16 | 2020-03-13 | 许振华 | Advertisement display equipment of municipal administration street both sides |
| CN111173762A (en) * | 2020-01-07 | 2020-05-19 | 郑建滨 | Domestic multifunctional ceiling fan |
| CN111298628A (en) * | 2020-02-28 | 2020-06-19 | 杨淑桃 | Acid gas purification treatment device for ecological environment protection |
-
2020
- 2020-07-07 CN CN202010648449.4A patent/CN111749762A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6361707A (en) * | 1986-09-01 | 1988-03-17 | Yoshie Nishizaki | Exhaust gas purifying and muffling device for internal combustion engine |
| CN104314645A (en) * | 2014-08-18 | 2015-01-28 | 杨小东 | Automotive exhaust purification device |
| CN110839448A (en) * | 2019-11-28 | 2020-02-28 | 周振豪 | Ecological environmental protection vegetable planting system |
| CN110880282A (en) * | 2019-12-16 | 2020-03-13 | 许振华 | Advertisement display equipment of municipal administration street both sides |
| CN111173762A (en) * | 2020-01-07 | 2020-05-19 | 郑建滨 | Domestic multifunctional ceiling fan |
| CN111298628A (en) * | 2020-02-28 | 2020-06-19 | 杨淑桃 | Acid gas purification treatment device for ecological environment protection |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983599A (en) * | 2020-12-29 | 2021-06-18 | 翟荣梅 | Precooling mechanism of three-way catalyst |
| CN114100334A (en) * | 2022-01-27 | 2022-03-01 | 中浩建能源科技(山东)有限公司 | MTBE desulfurization system |
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Application publication date: 20201009 |