CN213331229U - Energy-saving tail gas purification device of diesel generating set - Google Patents
Energy-saving tail gas purification device of diesel generating set Download PDFInfo
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- CN213331229U CN213331229U CN202022429268.0U CN202022429268U CN213331229U CN 213331229 U CN213331229 U CN 213331229U CN 202022429268 U CN202022429268 U CN 202022429268U CN 213331229 U CN213331229 U CN 213331229U
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Abstract
The utility model relates to an energy-saving tail gas purification device of a diesel generating set, wherein a first filter chamber, a gas washing chamber and a second filter chamber are arranged in a box body from the right side, the lower end of the side wall of the box body is provided with a gas inlet pipe communicated with the first filter chamber, and the other side is provided with a gas outlet pipe communicated with the second filter chamber; the first filter chamber is communicated with the air washing chamber through a first conduit, and the air washing chamber is communicated with the second filter chamber through a second conduit; the first filter chamber is provided with a plurality of obliquely arranged ceramic filter screens, a plurality of burners are arranged on the inner wall of the first filter chamber connected with the lower ends of the ceramic filter screens, and each burner is positioned above each ceramic filter screen; two catalytic filter screens, a bamboo charcoal filter screen, a fiber filter screen and an alkaline filter screen are sequentially arranged in the second filter chamber from left to right; each component is mutually matched, the replacement of internal components is reduced, the service life is prolonged, the structure is simple, and the tail gas purification effect is better.
Description
Technical Field
The utility model relates to an environmental protection clarification plant field especially relates to an energy-conserving tail gas cleanup unit of diesel generating set.
Background
The tail gas of the diesel engine is the tail gas sprayed by the diesel engine after the diesel engine burns diesel, the tail gas contains hundreds of different compounds, and the gas emission is not only strange in smell, but also is dizziness and nausea, and the health of people is influenced. Experts of the world health organization determine that the tail gas of the diesel engine has high carcinogenicity as the same as asbestos, arsenic and other substances.
The diesel generator set is a power generation device which takes diesel as main fuel, and is a mechanical device which takes a diesel engine as a prime power to drive a generator (namely an electric ball) to generate power and convert kinetic energy into electric energy and heat energy; however, in the specific use process, it is found that at least the following defects still exist, a large amount of diesel engine tail gas is generated in the power generation process of the diesel generator set, the tail gas contains a large amount of oil mist, particulate matters such as carbon black and the like, and gaseous pollutants such as SO2, NOx, CO, HC and the like, and the gaseous pollutants are directly discharged into the atmosphere, SO that the environment is polluted, photochemical pollution is caused, and the human health is seriously harmed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the main object of the utility model is to provide an energy-saving tail gas purification device of a diesel generator set, which can filter particle pollutants in tail gas and adsorb harmful gas in the tail gas.
In order to achieve the purpose, the utility model adopts the following technical scheme that an energy-saving tail gas purification device of a diesel generating set is provided with a box body, and is characterized in that a first filter chamber, a washing chamber and a second filter chamber are arranged in the box body from the right side, a bottom box at one side of the box body is provided with an air inlet pipe, the other side of the box body is provided with an air outlet pipe, the first filter chamber is communicated with the washing chamber through a first conduit, and the washing chamber is communicated with the second filter chamber through a second conduit;
the air inlet pipe extends into the box body to be communicated with the first filtering chamber, and the air outlet pipe extends into the box body to be communicated with the second filtering chamber;
the first filter chamber is sequentially provided with a plurality of inclined ceramic filter screens from top to bottom, and a burner is arranged on the inner wall of the first filter chamber box body connected with the lower ends of the ceramic filter screens and positioned above the ceramic filter screens;
a third conduit is arranged below the gas washing chamber, two ends of the third conduit are respectively communicated with the bottom of the gas washing chamber, and an alkaline filter is arranged on the third conduit;
two catalytic filter screens, a bamboo charcoal filter screen, a fiber filter screen and an alkaline filter screen are sequentially arranged in the second filter chamber from left to right.
Further, an L groove is formed in the top of the first filtering chamber, an inserting plate for fixing one end of the ceramic filter screen is arranged in the first filtering chamber, and the top of the inserting plate is fixedly connected with an L inserting block inserted into the L groove.
Furthermore, picture peg one side and the inner wall sliding contact of first filter chamber, the opposite side is equipped with a plurality of second recesses that are used for fixed ceramic filter screen high-end, the picture peg bottom is equipped with shock dynamo.
Furthermore, two ends of a third conduit arranged below the air washing chamber are respectively communicated with the bottom of the air washing chamber, and an alkaline filter and a water pump are arranged on the third conduit.
Further, the first conduit is connected with a spiral pipe at the inner end part of the washing chamber, and a plurality of air holes for increasing the contact area of the gas and the liquid are arranged on the spiral pipe.
Furthermore, Ag-Pt is attached to the surface of the catalytic filter screen to serve as a catalyst.
Further, the air inlet end of the air inlet pipe is provided with a pipeline connecting piece.
Compared with the prior art, the beneficial effects of the utility model are that: filter screen slope is placed in first filter chamber, increase tail gas and filter screen contact surface, and vibrating motor on the picture peg of fixed filter screen, at the during operation, can with attached to the particulate matter on the filter screen shake down collect the low side along the slope filter screen, the combustor that is equipped with then ignites the carbon dust, avoid the particulate matter to block up the filter screen, the gas washing chamber mainly washes away the acid gas who dissolves in water in the tail gas, alkaline filter on the third pipe of gas washing chamber bottom intercommunication then filters the liquid that has dissolved acid gas in the gas washing chamber, let liquid can cycle used repeatedly, mutually support between each part, the change of internals has been reduced, the increase of service time, and simple structure, tail gas purifying effect is better.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
1. the air purifier comprises a box body, 2, a first filter chamber, 3, a gas washing chamber, 4, a second filter chamber, 5, an air inlet pipe, 6, a ceramic filter screen, 7, an inserting plate, 8, a first groove, 9, a burner, 10, a third pipeline, 11, an alkaline filter, 12, a catalytic filter screen, 13, a bamboo charcoal filter screen, 14, a fiber filter screen, 15, an alkaline filter screen, 16, an air outlet pipe, 17, a first guide pipe, 18, a second guide pipe, 19, a spiral pipe, 20, a second groove, 21, a pipeline connecting piece and 22, and a water pump.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Example (b):
referring to fig. 1, an energy-saving tail gas purification device for a diesel generator set comprises a box body 1, wherein a first filter chamber 2, a gas washing chamber 3 and a second filter chamber 4 are arranged on the right side in the box body 1, a gas inlet pipe 5 is arranged at the lower end of the side wall of the box body 1 and communicated with the first filter chamber 2, and a gas outlet pipe 16 is arranged on the other side and communicated with the second filter chamber 4;
the utility model provides an energy-conserving tail gas cleanup unit of diesel generating set, has say, the tail gas that diesel generating set produced via establishing the intake pipe 5 in box 1 one side, gets into the energy-conserving tail gas cleanup unit of diesel generating set through its inside first filter chamber 2, scrubbing chamber 3, the second filter chamber 4 that from left to right is equipped with in proper order, and the filtration obtains the tail gas that accords with the environmental protection standard and arranges to the atmosphere from establishing the outlet duct 16 in box 1 other side.
Said first filtering chamber 2 communicates with the plenum chamber 3 through a first duct 17, said plenum chamber 3 communicates with the second filtering chamber 4 through a second duct 18;
the first filter chamber 2 is sequentially provided with a plurality of obliquely arranged ceramic filter screens 6 from top to bottom, the inner wall of the first filter chamber 2 connected with the lower ends of the ceramic filter screens 6 is provided with a plurality of burners 9, and each burner 9 is positioned above each ceramic filter screen 6;
two catalytic filter screens 12, a bamboo charcoal filter screen 13, a fiber filter screen 14 and an alkaline filter screen 15 are sequentially arranged in the second filter chamber 4 from left to right.
The gas inlet pipe 5 extends into the box body 1 and is communicated with the bottom of the first filter chamber 2, tail gas enters the first filter chamber 2 from the gas inlet pipe 5, a plurality of inclined ceramic filter screens 6 which are obliquely arranged are arranged in the first filter chamber 2 from bottom to top, the tail gas containing a large amount of particulate matters sequentially passes through the plurality of ceramic filter screens 6 from bottom to top, the tail gas is filtered to contain particles such as carbon powder which are fully generated by unburnt carbon powder, the particles such as the carbon powder are attached to the ceramic filter screens 6, a burner is further arranged on the inner side wall of the first filter chamber 2, when a large amount of carbon powder is attached to the ceramic filter screens to influence the filter effect, the burner works to ignite the carbon powder, the carbon powder is combusted to generate acid gas-carbon dioxide, and the tail gas with most of the particulate matters filtered enters the gas washing chamber 3 from;
the tail gas entering the gas washing chamber 3 contacts with the solution in the gas washing chamber 3, the acid gas dissolved in water in the tail gas is dissolved in water, and the gas insoluble in water in the tail gas overflows in the form of bubbles and enters the second filter chamber 4 along a second conduit 18 communicating the gas washing chamber 3 with the second filter chamber 4;
the exhaust gas entering the second filter chamber 4 has been substantially filtered of particulate matter and acid gases dissolved in water in the exhaust gas, the remainder mainly comprising CO and NOXTherefore, the second filter chamber 4 is sequentially provided with a catalytic filter 12, a bamboo charcoal filter 13, a fiber filter 14 and an alkaline filter 15 from left to right, and the tail gas reacts to remove CO and NO through the catalytic filter 12XThen the residual particulate matters and harmful gases in the tail gas are adsorbed and filtered through a bamboo charcoal filter screen 13 and a fiber filter screen 14, and the CO in the residual gases is filtered through an alkaline filter screen 152And NO2So as to obtain the gas which meets the environmental protection standard,and then is discharged to the atmosphere from the outlet duct 16 communicating with the second filtering chamber 4 and extending to the outside of the cabinet 1.
Further, in this embodiment, L recess 201 has been seted up to the top in first filter chamber 2, be equipped with picture peg 7 of fixed ceramic filter screen 6 one end in first filter chamber 2, the L inserted block 701 of picture peg 7 top fixed connection and the grafting of L recess 201.
Furthermore, picture peg 7 one side and 2 inner walls sliding contact of first filter chamber, the opposite side is equipped with a plurality of second recesses 20 that are used for fixed ceramic filter 6 high-end, picture peg 7 bottom is equipped with shock dynamo 702.
Because of tail gas has high temperature and the granule attached to on the filter screen is easy to be shaken off in first filter chamber 2, so the filter screen sets up to ceramic filter screen 6, consider ceramic filter screen 6's change, 6 one ends of a plurality of ceramic filter screens are pegged graft in the second recess 20 of seting up on picture peg 7, L recess 201 cooperation has been seted up at the top in L inserted block 701 and the first filter chamber 2 of picture peg 7 top connection, and the vibrating motor 702 that picture peg 7 bottom was equipped with adheres to the particulate matter and operates when too much on ceramic filter screen 6, shake off a large amount of carbon dust and the foreign particles that unburned that ceramic filter screen 6 was adnexed.
Furthermore, two ends of a third conduit 10 arranged below the air washing chamber 3 are respectively communicated with two ends of the bottom of the air washing chamber 3, and the third conduit 10 is provided with an alkaline filter 11 and a water pump 22. The two ends of the third conduit 10 are communicated with the bottom of the gas washing chamber 3, the water pump 22 is arranged to circulate the liquid in the gas washing chamber 3, the alkaline filter 11 on the gas washing chamber 3 carries out filtering reaction on the liquid in the gas washing chamber 3 in which the acid gas is dissolved, the dissolved acid gas is reacted, the liquid in the gas washing chamber 3 is recycled, and only the alkaline filter 11 needs to be replaced periodically and the liquid needs to be replenished.
Further, in the present embodiment, a spiral tube 19 is connected to the first conduit 17 at the inner end of the scrubbing chamber 3, and the spiral tube 19 has a plurality of air holes for increasing the contact area between the gas and the liquid. In order to fully dissolve the soluble gas contained in the tail gas into the liquid in the gas washing chamber 3, the gas outlet end of the first conduit 17 is connected with the spiral pipe 19 to increase the gas-liquid contact area, so a plurality of gas outlet holes are arranged on the spiral pipe 19.
Further, in the present example, Ag — Pt is attached to the surface of the catalytic filter 12 as a catalyst. After filtering and scrubbing, part of the harmful pollution gas in the tail gas can not be absorbed and can be reacted under a certain catalyst, so that the part of the gas can be reacted by arranging the catalytic filter screen 12, wherein the catalyst is Ag-Pt, and CO and NO are added in the deviceXOxidation and reduction to readily absorbable CO2And NO2。
Further, a pipeline connecting piece 21 is arranged at the air inlet end of the air inlet pipe 5. Because of considering tail gas cleanup unit and generating set's tail gas exhaust pipe sealing connection, 5 inlet ends in intake pipe set up pipe connection spare 21 and cooperate multiple generating set's tail gas exhaust pipe size to and guarantee the sealing connection effect.
The working principle of the energy-saving tail gas purification device of the diesel generating set is as follows:
the gas inlet pipe 5 extends into the box body 1 and is communicated with the bottom of the first filter chamber 2, tail gas enters the first filter chamber 2 from the gas inlet pipe 5, a plurality of inclined ceramic filter screens 6 which are obliquely arranged are arranged in the first filter chamber 2 from bottom to top, the tail gas containing a large amount of particulate matters sequentially passes through the plurality of ceramic filter screens 6 from bottom to top, the tail gas is filtered to contain particles such as carbon powder which are fully generated by unburnt carbon powder, the particles such as the carbon powder are attached to the ceramic filter screens 6, a burner is further arranged on the inner side wall of the first filter chamber 2, when a large amount of carbon powder is attached to the ceramic filter screens to influence the filter effect, the burner works to ignite the carbon powder, the carbon powder is combusted to generate acid gas-carbon dioxide, and the tail gas with most of the particulate matters filtered enters the gas washing chamber 3 from; the tail gas entering the gas washing chamber 3 contacts with the solution in the gas washing chamber 3, the acid gas dissolved in water in the tail gas is dissolved in water, and the gas insoluble in water in the tail gas overflows in the form of bubbles and enters the second filter chamber 4 along a second conduit 18 communicating the gas washing chamber 3 with the second filter chamber 4; the exhaust gas entering the second filter chamber 4 has been substantially filtered of particulate matter and acid gases dissolved in water in the exhaust gas, the remainder mainly comprising CO and NOXTherefore, secondA catalytic filter screen 12, a bamboo charcoal filter screen 13, a fiber filter screen 14 and an alkaline filter screen 15 are sequentially arranged in the filter chamber 4 from left to right, and CO and NO are removed from the tail gas through the catalytic filter screen 12XThen the residual particulate matters and harmful gases in the tail gas are adsorbed and filtered through a bamboo charcoal filter screen 13 and a fiber filter screen 14, and the CO in the residual gases is filtered through an alkaline filter screen 152And NO2To obtain gas meeting the environmental protection standard, and then exhausting the gas to the atmosphere from the gas outlet pipe 16 which is communicated with the second filtering chamber 4 and extends to the outside of the box body 1.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above embodiments are merely examples of the present invention, and do not limit the protection scope of the present invention, and all designs the same as or similar to the present invention belong to the protection scope of the present invention.
Claims (7)
1. An energy-saving tail gas purification device of a diesel generating set, which is a box body (1) and is characterized in that a first filter chamber (2), a washing chamber (3) and a second filter chamber (4) are sequentially arranged in the box body (1) from the right, an air inlet pipe (5) is arranged at the lower end of the side wall of the box body (1) and communicated with the first filter chamber (2), and an air outlet pipe (16) is arranged at the other side and communicated with the second filter chamber (4);
the first filtering chamber (2) is communicated with the air washing chamber (3) through a first conduit (17), and the air washing chamber (3) is communicated with the second filtering chamber (4) through a second conduit (18);
the first filter chamber (2) is provided with a plurality of obliquely arranged ceramic filter screens (6), a plurality of burners (9) are arranged on the side wall, connected with the lower ends of the ceramic filter screens (6), in the first filter chamber (2), and each burner (9) is positioned above each ceramic filter screen (6);
two catalytic filter screens (12), a bamboo charcoal filter screen (13), a fiber filter screen (14) and an alkaline filter screen (15) are sequentially arranged in the second filter chamber (4) from left to right.
2. The energy-saving tail gas purification device of the diesel generator set according to claim 1, wherein an L-shaped groove (201) is formed in the top of the first filtering chamber (2), an inserting plate (7) for fixing one end of the ceramic filtering net (6) is arranged in the first filtering chamber (2), and the top of the inserting plate (7) is fixedly connected with an L-shaped inserting block (701) inserted into the L-shaped groove (201).
3. The energy-saving tail gas purification device for the diesel generating set according to claim 2, wherein one side of the insertion plate (7) is provided with a plurality of second grooves (20) for fixing the high end of the ceramic filter screen (6), and the bottom of the insertion plate (7) is provided with a vibration motor (702).
4. The energy-saving tail gas purification device for the diesel generating set according to claim 2, characterized in that two ends of a third conduit (10) arranged below the scrubbing chamber (3) are respectively communicated with two ends of the bottom of the scrubbing chamber (3), and an alkaline filter (11) and a water pump (22) are arranged on the third conduit (10).
5. The energy-saving tail gas purification device for the diesel generating set according to claim 1, characterized in that a spiral pipe (19) is connected to the end part of the first conduit (17) located in the scrubbing chamber (3), and a plurality of air outlet holes are formed in the spiral pipe (19).
6. The energy-saving tail gas purification device for the diesel generating set according to claim 1, wherein a catalytic layer Ag-Pt is attached to the surface of the catalytic filter screen (12).
7. The energy-saving tail gas purification device for the diesel generating set according to claim 1, characterized in that a pipeline connecting piece (21) is arranged at the gas inlet end of the gas inlet pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022429268.0U CN213331229U (en) | 2020-10-27 | 2020-10-27 | Energy-saving tail gas purification device of diesel generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022429268.0U CN213331229U (en) | 2020-10-27 | 2020-10-27 | Energy-saving tail gas purification device of diesel generating set |
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| Publication Number | Publication Date |
|---|---|
| CN213331229U true CN213331229U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022429268.0U Active CN213331229U (en) | 2020-10-27 | 2020-10-27 | Energy-saving tail gas purification device of diesel generating set |
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|---|---|
| CN (1) | CN213331229U (en) |
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- 2020-10-27 CN CN202022429268.0U patent/CN213331229U/en active Active
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