CN216554062U - Tail gas purification system of mining electric control explosion-proof diesel engine - Google Patents
Tail gas purification system of mining electric control explosion-proof diesel engine Download PDFInfo
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- CN216554062U CN216554062U CN202122675351.0U CN202122675351U CN216554062U CN 216554062 U CN216554062 U CN 216554062U CN 202122675351 U CN202122675351 U CN 202122675351U CN 216554062 U CN216554062 U CN 216554062U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The utility model discloses a tail gas purification system of a mining electric control explosion-proof diesel engine, which comprises a catalytic reactor; the top of the catalytic reactor is provided with an air outlet, one side of the catalytic reactor is provided with a filter box, one side of the inside of the filter box is provided with a filter screen plate, the input end of one side of the filter box is connected with a connecting hose, four groups of spray plates are equidistantly arranged in the catalytic reactor, heating plates are embedded in two sides of the inside of the catalytic reactor, and one side of the catalytic reactor, which is far away from the filter box, is provided with a liquid storage tank; according to the utility model, the back blowing plate is arranged at the rear side of the filter screen plate in the filter box, after the filter box is used for a period of time, personnel directly open the second valve to control the fan to blow air to the back blowing plate, and then the air jetted by the back blowing plate performs back blowing on the filter screen plate, so that particles remained on the filter screen plate are blown away, and the effect of cleaning the filter screen plate is achieved, therefore, manual cleaning is not needed, and the filter box is convenient and quick to use.
Description
Technical Field
The utility model relates to the technical field of tail gas purification of explosion-proof diesel engines, in particular to a tail gas purification system of a mining electric control explosion-proof diesel engine.
Background
The explosion-proof diesel engine is a common machine in mining areas, a large amount of tail gas can be generated when the explosion-proof diesel engine is used, a large amount of NOx gases such as NO and NO2 exist in the tail gas, the NOx gases have toxicity, are discharged to the outside and easily cause pollution to the environment, and can also cause harm to human bodies when being inhaled by the human bodies, so that a tail gas purification system is required to be used for purifying the tail gas of the mining electric control explosion-proof diesel engine.
The existing tail gas purification system of the mining electric control explosion-proof diesel engine has the following defects:
1. the tail gas purification system of the existing mining electric control explosion-proof diesel engine generally adopts urea solution as a catalyst, and adopts a spraying mode to carry out catalytic reaction on NOx gas, while when the urea solution reacts with the NOx gas, a part of the urea solution can not completely react, and the urea solution can not be utilized to the maximum extent, so that the phenomenon of urea solution waste is caused.
2. When particulate matters in tail gas are filtered, partial particles can be remained on a filter screen plate, the filter screen plate needs to be manually cleaned by personnel after each use for a period of time, and the tail gas purification system of the existing mining electric-control explosion-proof diesel engine is not convenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tail gas purification system of a mining electric control explosion-proof diesel engine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a tail gas purification system of a mining electric control explosion-proof diesel engine comprises a catalytic reactor; the top of the catalytic reactor is provided with an air outlet, one side of the catalytic reactor is provided with a filter box, one side of the interior of the filter box is provided with a filter screen plate, the input end of one side of the filter box is connected with a connecting hose, four groups of spray plates are equidistantly arranged in the catalytic reactor, heating plates are embedded and arranged on two sides of the interior of the catalytic reactor, one side of the catalytic reactor, which is far away from the filter box, is provided with a liquid storage tank, and one side of the liquid storage tank is provided with a booster pump;
an air outlet plate is arranged at the inner bottom of the catalytic reactor, and the input end of the air outlet plate is communicated with the output end of one side of the top of the filter box through a guide pipe;
the inside one side that is close to catalytic reactor of filter cartridge installs the blowback board, the fan is installed at the top of filter cartridge, and is connected with the air duct between the output of fan and the input of blowback board, and the surface mounting of air duct has the second valve.
Preferably, one side of the bottom of the filter box, which is positioned on the filter screen plate, is provided with a connecting pipe, and the connecting pipe is provided with a collecting box through a threaded structure.
Preferably, the interior of the connecting pipe is provided with a conical funnel, and the conical funnel is arranged with a large opening at the top and a small opening at the bottom.
Preferably, four corners of the bottom of the catalytic reactor are provided with support legs, and the bottom ends of the support legs are provided with bases.
Preferably, a liquid outlet is arranged at the center of the bottom of the catalytic reactor, and a first valve is arranged at the bottom end of the liquid outlet.
Preferably, the bottom of the spraying plate is equidistantly distributed with spray heads, and one side of the spraying plate is provided with an installation pipe.
Preferably, the inner wall fixed connection of installation pipe and catalytic reactor just runs through to catalytic reactor's the outside, the output intercommunication of pipe and booster pump is passed through to the one end of installation pipe, and the output intercommunication of pipe and liquid reserve tank bottom is passed through to the input of booster pump.
Preferably, a liquid filling port is arranged at the center of the top of the liquid storage tank, and a sealing cover is mounted at the top of the liquid filling port through a threaded structure.
Preferably, the heating plate comprises a mounting plate, a snake-shaped groove, a resistance wire and a silicon plate, the snake-shaped groove is formed in the mounting plate, the resistance wire is mounted in the snake-shaped groove, and the silicon plate is arranged on the front face of the mounting plate.
Preferably, the heating plate, the fan and the booster pump are respectively electrically connected with an external controller through leads.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the gas outlet plate is arranged at the inner bottom of the catalytic reactor, after the urea solution sprayed by the spraying plate reacts with the NOx gas, the residual part of unreacted urea solution can directly fall into the inner bottom of the catalytic reactor, so that the subsequent NOx gas can firstly pass through the solution at the inner bottom of the catalytic reactor after being sprayed from the gas outlet plate, and the urea solution which is not fully reacted in the solution at the inner bottom of the catalytic reactor can react with the NOx gas again, so that the urea solution can be fully utilized, no waste can be caused, and the subsequent NOx gas can perform secondary catalytic reaction with the urea solution sprayed by the spraying plate, so that the purification degree of the device on the NOx gas can be improved, and the purification effect can be improved.
2. According to the utility model, the back blowing plate is arranged at the rear side of the filter screen plate in the filter box, after the filter box is used for a period of time, personnel directly open the second valve to control the fan to blow air to the back blowing plate, and then the air jetted by the back blowing plate performs back blowing on the filter screen plate, so that particles remained on the filter screen plate are blown away, and the effect of cleaning the filter screen plate is achieved, therefore, manual cleaning is not needed, and the filter box is convenient and quick to use.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the heating plate of the present invention;
fig. 4 is an enlarged schematic view of the utility model at a in fig. 2.
In the figure: 1. a catalytic reactor; 101. a support leg; 102. a base; 103. a liquid discharge port; 104. a first valve; 105. an air outlet; 106. an air outlet plate; 2. heating plates; 201. mounting a plate; 202. a serpentine groove; 203. a resistance wire; 204. a silicon plate; 3. a spray plate; 301. installing a pipe; 302. a spray head; 4. a filter cartridge; 401. a filter screen plate; 402. a connecting hose; 403. taking over a pipe; 404. a conical funnel; 405. a collection box; 5. a fan; 501. a back-blowing plate; 502. an air duct; 503. a second valve; 6. a liquid storage tank; 601. a booster pump; 602. a liquid adding port; 603. and (7) sealing the cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, an embodiment of the present invention is shown: a tail gas purification system of a mining electric control explosion-proof diesel engine comprises a catalytic reactor 1; the top of the catalytic reactor 1 is provided with an air outlet 105, one side of the catalytic reactor 1 is provided with a filter box 4, one side inside the filter box 4 is provided with a filter screen plate 401, the input end of one side of the filter box 4 is connected with a connecting hose 402, four groups of spray plates 3 are equidistantly arranged inside the catalytic reactor 1, two sides inside the catalytic reactor 1 are embedded and provided with heating plates 2, one side of the catalytic reactor 1, which is far away from the filter box 4, is provided with a liquid storage tank 6, and one side of the liquid storage tank 6 is provided with a booster pump 601;
the inner bottom of the catalytic reactor 1 is provided with an air outlet plate 106, and the input end of the air outlet plate 106 is communicated with the output end of one side of the top of the filter box 4 through a conduit;
a back-blowing plate 501 is arranged on one side, close to the catalytic reactor 1, inside the filter box 4, a fan 5 is arranged at the top of the filter box 4, a gas guide pipe 502 is connected between the output end of the fan 5 and the input end of the back-blowing plate 501, and a second valve 503 is arranged on the surface of the gas guide pipe 502;
specifically, as shown in fig. 1, 2 and 4, firstly, a urea solution is added into a liquid storage tank 6, a heating plate 2 is controlled to work to heat the inside of a catalytic reactor 1, so that a high-temperature environment is formed inside the catalytic reactor 1, a connecting hose 402 is connected with a diesel engine tail gas pipe, then the diesel engine tail gas enters a filter box 4, a filter screen 401 inside the filter box 4 filters particulate matters in the tail gas, the filtered tail gas enters an air outlet plate 106 through a conduit and is discharged, at this time, a booster pump 601 is controlled to work, the booster pump 601 conveys the urea solution inside the liquid storage tank 6 to the insides of four groups of spray plates 3 through conduits, the four groups of spray plates 3 spray out the urea solution, the urea solution and NOx gas in the tail gas perform a catalytic reaction under the high-temperature environment to generate N2, the N2 is discharged from the air outlet 105, and thus the tail gas purification function is realized, in the process, after the urea solution sprayed by the spraying plate 3 reacts with the NOx gas, the remaining part of unreacted urea solution can directly fall into the inner bottom of the catalytic reactor 1, so that the subsequent NOx gas can firstly pass through the solution at the inner bottom of the catalytic reactor 1 after being sprayed out from the gas outlet plate 106, and the urea solution which is not fully reacted in the solution at the inner bottom of the catalytic reactor 1 can react with the NOx gas again, so that the urea solution can be fully utilized, no waste can be caused, and the subsequent NOx gas can perform secondary catalytic reaction with the urea solution sprayed by the spraying plate 3, so that the purification degree of the device on the NOx gas can be improved, the purification effect can be improved, after the device is used for a period of time, a person directly opens the second valve 503 to control the fan 5 to blow air to the back blowing plate 501 through the gas guide tube 502, and then the air sprayed by the back blowing plate 501 blows the filter screen 401, thereby will remain and blow away the particulate matter on filtering the otter board 401, reach the effect of clearance filtering the otter board 401, consequently need not artifical manual clearance, use convenient and fast.
Further, a connecting pipe 403 is arranged at one side of the bottom of the filter box 4, which is positioned on the filter screen plate 401, and a collecting box 405 is installed on the connecting pipe 403 through a threaded structure;
further, a conical funnel 404 is installed inside the connecting pipe 403, and the conical funnel 404 is placed with a large opening at the top and a small opening at the bottom;
specifically, as shown in fig. 2, during the reverse blowing operation, the particles falling from the filter screen plate 401 fall into the collecting box 405 from the conical funnel 404 for centralized collection, the particles in the collecting box 405 can be effectively shielded under the action of the conical funnel 404 to enter the filter box 4 again, after the particles in the collecting box 405 are fully stored, the collecting box 405 is screwed, the collecting box 405 is taken down from the connecting pipe 403, and then the particles in the collecting box 405 are poured out for cleaning.
Furthermore, four corners of the bottom of the catalytic reactor 1 are provided with support legs 101, and the bottom ends of the support legs 101 are provided with bases 102;
specifically, as shown in fig. 1, the support legs 101 fixedly support the catalytic reactor 1, and the base 102 increases the contact area of the bottom of the support legs 101, thereby improving the support stability of the support legs 101.
Further, a liquid outlet 103 is arranged at the center of the bottom of the catalytic reactor 1, and a first valve 104 is arranged at the bottom end of the liquid outlet 103;
specifically, as shown in fig. 2, when the first valve 104 is opened, the waste liquid stored inside the catalytic reactor 1 can be directly discharged from the liquid discharge port 103.
Further, spray heads 302 are equidistantly distributed at the bottom of the spray plate 3, and a mounting pipe 301 is mounted on one side of the spray plate 3;
further, the installation pipe 301 is fixedly connected with the inner wall of the catalytic reactor 1 and penetrates to the outer side of the catalytic reactor 1, one end of the installation pipe 301 is communicated with the output end of the booster pump 601 through a guide pipe, and the input end of the booster pump 601 is communicated with the output end of the bottom of the liquid storage tank 6 through a guide pipe;
specifically, as shown in fig. 2, the installation pipe 301 is used for fixedly installing the spray plate 3 inside the catalytic reactor 1, the booster pump 601 conveys the urea solution to the installation pipe 301 through a conduit, then the urea solution enters the spray plate 3 through the installation pipe 301, and then the spray plate 3 sprays the urea solution into the catalytic reactor 1 through the spray head 302 to perform a catalytic reaction with the NOx gas in the exhaust gas.
Further, a liquid filling port 602 is arranged at the center of the top of the liquid storage tank 6, and a sealing cover 603 is mounted at the top of the liquid filling port 602 through a threaded structure;
specifically, as shown in fig. 1, the urea solution is fed into the liquid storage tank 6 through the liquid feeding port 602, and then the sealing cap 603 is screwed to seal the tank.
Further, the heating plate 2 comprises a mounting plate 201, a snake-shaped groove 202, a resistance wire 203 and a silicon plate 204, the snake-shaped groove 202 is arranged inside the mounting plate 201, the resistance wire 203 is arranged inside the snake-shaped groove 202, and the silicon plate 204 is arranged on the front surface of the mounting plate 201;
specifically, as shown in fig. 3, the resistance wire 203 generates a high temperature after being energized, and the heat is rapidly transferred to the inside of the catalytic reactor 1 through the silicon plate 204, so that the inside of the catalytic reactor 1 is in a high temperature state.
Furthermore, the heating plate 2, the fan 5 and the booster pump 601 are electrically connected with an external controller through wires respectively.
The working principle is as follows: when the device is used, firstly, a urea solution is added into the liquid storage box 6 through the liquid adding port 602, then the sealing cover 603 is screwed up for sealing, and then the heating plate 2 is controlled to work to heat the inside of the catalytic reactor 1, so that a high-temperature environment is formed inside the catalytic reactor 1;
secondly, connecting a connecting hose 402 with a diesel engine tail gas pipe, then the diesel engine tail gas enters into a filter box 4, a filter screen plate 401 in the filter box 4 filters particulate matters in the tail gas, the filtered tail gas enters into an exhaust plate 106 through a guide pipe and is discharged, at the moment, the booster pump 601 is controlled to work, the booster pump 601 conveys the urea solution in the liquid storage tank 6 to the four groups of spraying plates 3 through the guide pipe, the four groups of spraying plates 3 spray the urea solution, the urea solution and NOx gas in the tail gas perform catalytic reaction in a high-temperature environment to generate N2 which is discharged from a gas outlet 105, so that the tail gas purification function is realized, in the process, after the urea solution sprayed by the spraying plates 3 reacts with the NOx gas, the remaining part of the unreacted urea solution directly falls into the inner bottom of the catalytic reactor 1, so that the subsequent NOx gas firstly passes through the solution at the inner bottom of the catalytic reactor 1 after being sprayed from the exhaust plate 106, the urea solution which is not fully reacted in the bottom solution in the catalytic reactor 1 can be reacted with the NOx gas again, so that the urea solution can be fully utilized, waste can not occur, and the subsequent NOx gas can be subjected to secondary catalytic reaction with the urea solution sprayed by the spraying plate 3, so that the purification degree of the device on the NOx gas can be improved, and the purification effect is improved;
finally, after every use period, personnel directly open second valve 503, control fan 5 blows to blowback board 501 through air duct 502, then the air that blowback board 501 jetted carries out the blowback to filtering screen board 401, thereby will remain the particulate matter blow away on filtering screen board 401, reach the effect of clearance filtering screen board 401, consequently, need not artifical manual clearance, convenient and fast gets up in use, the particulate matter that drops on filtering screen board 401 falls into collecting box 405 from conical hopper 404 inside and concentrates the collection, can effectually shelter from under conical hopper 404 that the inside particulate matter of collecting box 405 enters into filtering box 4 inside again, after collecting box 405 inside particulate matter is full, twist and move collecting box 405, take off collecting box 405 from 403, then will collect the inside particulate matter of box 405 and pour out and clear up.
The utility model is not described in detail, but is well known to those skilled in the art.
Finally, it is to be noted that: although the present invention has been described in detail with reference to examples, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. An electric control explosion-proof diesel engine tail gas purification system for mining comprises a catalytic reactor (1); the method is characterized in that: the top of the catalytic reactor (1) is provided with an air outlet (105), one side of the catalytic reactor (1) is provided with a filter box (4), one side of the inside of the filter box (4) is provided with a filter screen plate (401), the input end of one side of the filter box (4) is connected with a connecting hose (402), four groups of spray plates (3) are arranged in the catalytic reactor (1) at equal intervals, two sides of the inside of the catalytic reactor (1) are embedded with heating plates (2), one side of the catalytic reactor (1) far away from the filter box (4) is provided with a liquid storage tank (6), and one side of the liquid storage tank (6) is provided with a booster pump (601);
an air outlet plate (106) is arranged at the inner bottom of the catalytic reactor (1), and the input end of the air outlet plate (106) is communicated with the output end of one side of the top of the filter box (4) through a conduit;
the inside one side that is close to catalytic reactor (1) of filter cartridge (4) installs blowback aerofoil (501), fan (5) are installed at the top of filter cartridge (4), and are connected with air duct (502) between the output of fan (5) and the input of blowback aerofoil (501), and the surface mounting of air duct (502) has second valve (503).
2. The tail gas purification system of the mining electric control explosion-proof diesel engine according to claim 1, characterized in that: one side of the bottom of the filter box (4) positioned on the filter screen plate (401) is provided with a connecting pipe (403), and the connecting pipe (403) is provided with a collecting box (405) through a threaded structure.
3. The tail gas purification system of the mining electric-control explosion-proof diesel engine according to claim 2, characterized in that: a conical funnel (404) is arranged in the connecting pipe (403), and the conical funnel (404) is arranged with a large opening at the top and a small opening at the bottom.
4. The tail gas purification system of the mining electric control explosion-proof diesel engine according to claim 1, characterized in that: four corners of the bottom of the catalytic reactor (1) are provided with support legs (101), and the bottom ends of the support legs (101) are provided with bases (102).
5. The tail gas purification system of the mining electric control explosion-proof diesel engine according to claim 1, characterized in that: the central part of the bottom of the catalytic reactor (1) is provided with a liquid outlet (103), and the bottom end of the liquid outlet (103) is provided with a first valve (104).
6. The tail gas purification system of the mining electric control explosion-proof diesel engine according to claim 1, characterized in that: the bottom equidistance of spraying board (3) distributes has shower nozzle (302), installation pipe (301) are installed to one side of spraying board (3).
7. The tail gas purification system of the mining electric control explosion-proof diesel engine according to claim 6, characterized in that: the utility model discloses a catalytic reactor, including installation pipe (301) and catalytic reactor (1), the installation pipe just runs through the outside to catalytic reactor (1) with the inner wall fixed connection of catalytic reactor (1), the output intercommunication of pipe and booster pump (601) is passed through to the one end of installation pipe (301), and the output intercommunication of pipe and liquid reserve tank (6) bottom is passed through to the input of booster pump (601).
8. The tail gas purification system of the mining electric control explosion-proof diesel engine according to claim 1, characterized in that: a liquid filling port (602) is arranged at the center of the top of the liquid storage tank (6), and a sealing cover (603) is mounted at the top of the liquid filling port (602) through a threaded structure.
9. The tail gas purification system of the mining electric control explosion-proof diesel engine according to claim 1, characterized in that: the heating plate (2) comprises a mounting plate (201), a snake-shaped groove (202), a resistance wire (203) and a silicon plate (204), the snake-shaped groove (202) is arranged inside the mounting plate (201), the resistance wire (203) is arranged inside the snake-shaped groove (202), and the silicon plate (204) is arranged on the front face of the mounting plate (201).
10. The tail gas purification system of the mining electric control explosion-proof diesel engine according to claim 1, characterized in that: the heating plate (2), the fan (5) and the booster pump (601) are respectively electrically connected with an external controller through leads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202122675351.0U CN216554062U (en) | 2021-11-04 | 2021-11-04 | Tail gas purification system of mining electric control explosion-proof diesel engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122675351.0U CN216554062U (en) | 2021-11-04 | 2021-11-04 | Tail gas purification system of mining electric control explosion-proof diesel engine |
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| CN216554062U true CN216554062U (en) | 2022-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386488A (en) * | 2023-12-07 | 2024-01-12 | 福安市隆凯电机有限公司 | Tail gas purifying device for diesel generator set |
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2021
- 2021-11-04 CN CN202122675351.0U patent/CN216554062U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386488A (en) * | 2023-12-07 | 2024-01-12 | 福安市隆凯电机有限公司 | Tail gas purifying device for diesel generator set |
| CN117386488B (en) * | 2023-12-07 | 2024-03-05 | 福安市隆凯电机有限公司 | Tail gas purifying device for diesel generator set |
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