CN214182298U - Exhaust treatment mechanism of diesel generating set - Google Patents
Exhaust treatment mechanism of diesel generating set Download PDFInfo
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- CN214182298U CN214182298U CN202022705439.8U CN202022705439U CN214182298U CN 214182298 U CN214182298 U CN 214182298U CN 202022705439 U CN202022705439 U CN 202022705439U CN 214182298 U CN214182298 U CN 214182298U
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Abstract
The utility model provides a diesel generating set exhaust-gas treatment mechanism relates to diesel generating set technical field, includes prefilter, heat transfer device, waste gas absorbing device and secondary filter equipment in proper order, the blast pipe intercommunication of prefilter and diesel generating set frame, be provided with in the prefilter and adsorb the cotton, the prefilter passes through pipeline and waste gas absorbing device intercommunication, and heat transfer device sets up in the pipeline outside, and the waste gas absorbing device bottom is provided with the aeration pipe, the aeration pipe pass waste gas absorbing device with the prefilter passes through the pipeline intercommunication. The waste gas absorbing device is internally provided with alkali liquor, and the secondary filter device is arranged at the top of the waste gas absorbing device, an activated carbon adsorption layer is arranged in the secondary filter device, the activated carbon adsorption layer is provided with a plurality of layers, the top of the secondary filter device is provided with an exhaust port, the utility model discloses adsorb the purification to the pollutant in the waste gas, avoid the direct emission of harmful substance.
Description
Technical Field
The utility model relates to a diesel generating set technical field especially relates to a diesel generating set exhaust-gas treatment mechanism.
Background
The diesel generator set is efficient, economical, safe and reliable. However, diesel generating sets also have some disadvantages, and the biggest disadvantage is that the pollution of the tail gas of the diesel engine is serious. In order to achieve the purpose of standard emission of tail gas, manufacturers commonly arrange a tail gas purifier in a diesel generating set. The tail gas purifiers sold in the market at present mainly comprise three types of wet dust removal, electric dust removal and filtering dust removal, and the three types of tail gas purifiers belong to products of post-treatment modes, have good purification functions and have larger performance difference. The main advantages of wet dedusting with wide application range are simple structure and low application cost, and the biggest defect is that sewage is generated in the purification process and the sewage is easy to corrode corollary equipment. Although the electric precipitation technology is mature, the electric precipitation technology can only purify particles in the exhaust gas efficiently, and cannot effectively purify hydrocarbons, nitrogen oxides and carbon monoxide in the exhaust gas. The filtering, dedusting and purifying efficiency is highest, the defects are that filtered objects need to be cleaned regularly, the back pressure of the diesel engine is increased when the cleaning is not timely, and the operation efficiency of the diesel engine is inevitably reduced once the back pressure exceeds the standard. Generally speaking, various commercially available diesel generating set tail gas cleanup units are insufficient, and have a certain gap with the actual demand, and therefore we propose a diesel generating set exhaust treatment mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a diesel generating set exhaust-gas treatment mechanism.
The utility model discloses a realize through following technical scheme:
the utility model provides a diesel generating set exhaust-gas treatment mechanism, includes prefilter, heat transfer device, exhaust gas absorbing device and secondary filter equipment in proper order, the exhaust pipe intercommunication of prefilter and diesel generator frame, be provided with in the prefilter and adsorb the cotton, the prefilter passes through pipeline and exhaust gas absorbing device intercommunication, and heat transfer device sets up the pipeline outside, exhaust gas absorbing device bottom are provided with the aeration pipe, the aeration pipe pass exhaust gas absorbing device with the prefilter passes through the pipeline intercommunication. The waste gas absorbing device is internally provided with alkali liquor, the secondary filtering device is arranged at the top of the waste gas absorbing device, an activated carbon adsorption layer is arranged in the secondary filtering device, the activated carbon adsorption layer is provided with a plurality of layers, and the top of the secondary filtering device is provided with an exhaust port.
The utility model discloses technical scheme's further improvement lies in: the heat exchange device comprises a heat exchange coil and a cooling box, wherein the heat exchange coil and the cooling box are wound on the outer side of the pipeline, a reflux pump is arranged at one end of the cooling box, and a cooling liquid feeding port is formed in the other end of the cooling box.
The utility model discloses technical scheme's further improvement lies in: the pipeline is also communicated with an oil accumulation box, and the oil accumulation box is arranged between the heat exchange device and the waste gas absorption device.
The utility model discloses technical scheme's further improvement lies in: the end part of the aeration pipe is provided with an arc-shaped aeration disc, and the surface of the aeration disc is provided with a plurality of aeration holes.
The utility model has the advantages that: waste gas enters a primary filtering device to adsorb a large amount of oil mist, carbon black and other particulate matters contained in the waste gas, the waste gas enters a pipeline, cooling liquid is introduced into a heat exchange coil of a heat exchange device to exchange heat for the pipeline, and waste heat in the waste gas is recycled to avoid energy waste; waste gas enters the waste gas absorption device, escapes from an aeration disc at the end part of the aeration pipe and reacts with alkali liquor in the waste gas absorption device, and the contact area of the waste gas and the alkali liquor is increased by the aeration holes, so that the waste gas absorption efficiency is improved; absorbing sulfur-containing pollutants in the waste gas; the waste gas rises into the secondary filter device and is discharged after being adsorbed by the active carbon.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a preliminary filtering device; 2. a heat exchange device; 3. an exhaust gas absorption device; 4. a secondary filtration device; 5. a pipeline; 6. an aeration pipe; 7. an activated carbon adsorption layer; 8. adsorbing cotton; 9. an exhaust port; 10. a heat exchange coil; 11. a cooling tank; 12. an oil accumulation box; 13. an aeration disc; 14. and (4) aeration holes.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in the figure, the utility model provides a diesel generating set exhaust-gas treatment mechanism: the device sequentially comprises a primary filtering device 1, a heat exchange device 2, a waste gas absorption device 3 and a secondary filtering device 4, wherein the primary filtering device 1 is communicated with an exhaust pipe of a diesel generator base, adsorption cotton 8 is arranged in the primary filtering device 1, and the adsorption cotton 8 is made of melt-blown polypropylene and is used for adsorbing particle pollutants such as carbon black, oil mist and the like in waste gas; the primary filtering device 1 is communicated with the waste gas absorption device 3 through a pipeline 5, the heat exchange device 2 is arranged outside the pipeline 5, an aerator pipe 6 is arranged at the bottom of the waste gas absorption device 3, and the aerator pipe 6 penetrates through the waste gas absorption device 3 and is communicated with the primary filtering device 1 through the pipeline 5. The waste gas absorption device 3 is internally provided with an alkali liquor which can be a sodium hydroxide solution and can absorb gaseous pollutants such as sulfur dioxide, nitrogen dioxide and the like in the waste gas; secondary filter equipment 4 sets up 3 tops of waste gas absorbing device, be provided with activated carbon adsorption layer 7 in the secondary filter equipment 4, activated carbon adsorption layer 7 is provided with a plurality of layers, and the active carbon carries out the active adsorption to the pollutant in the waste gas, secondary filter equipment 4 top is provided with gas vent 9, heat transfer device 2 is including winding the heat exchange coil 10 and the cooler bin 11 in the pipeline 5 outside, 11 one end of cooler bin are provided with the backwash pump, and the other end is provided with the coolant liquid inlet, 6 tip of aeration pipe are provided with the aeration dish 13 of circular arc shape, aeration dish 13 surface is provided with a plurality of aeration hole 14, and aeration hole 14 has increased the area of contact of waste gas with alkali lye and has improved waste gas absorption efficiency.
In a further embodiment, a ceramic filter tube may be disposed in the primary filter device 1, and the surface of the filter tube is coated with a catalyst to catalyze pollutants in the exhaust gas.
In a further embodiment, the pipeline 5 is further communicated with an oil accumulation box 12, and the oil accumulation box 12 is arranged between the heat exchange device 2 and the exhaust gas absorption device 3. After the temperature of the waste gas is reduced, the oil mist in the waste gas is cooled and condensed, and flows into the oil accumulation box 12 through the pipeline 5 to be stored, so that the oil mist is recovered.
The utility model discloses a theory of operation is: waste gas enters the primary filtering device 1, a large amount of oil mist, carbon black and other particulate matters contained in the waste gas are adsorbed by the adsorption cotton 8, the waste gas enters the pipeline 5, cooling liquid is introduced into a heat exchange coil 10 of the heat exchange device 2 to exchange heat for the pipeline 5, and waste heat in the waste gas is recycled to avoid energy waste; waste gas enters the waste gas absorption device 3, the waste gas escapes from the aeration disc 13 at the end part of the aeration pipe 6 to react with alkali liquor in the waste gas absorption device 3, and the aeration holes 14 increase the contact area of the waste gas and the alkali liquor and improve the waste gas absorption efficiency; absorbing sulfur-containing pollutants in the waste gas; the waste gas rises into the secondary filter device 4 and is discharged after being absorbed by active carbon.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a diesel generating set exhaust-gas treatment mechanism which characterized in that: the device comprises a primary filtering device (1), a heat exchange device (2), a waste gas absorption device (3) and a secondary filtering device (4) in sequence, wherein the primary filtering device (1) is communicated with an exhaust pipe of a diesel generator base, adsorption cotton (8) is arranged in the primary filtering device (1), the primary filtering device (1) is communicated with the waste gas absorption device (3) through a pipeline (5), the heat exchange device (2) is arranged at the outer side of the pipeline (5), an aeration pipe (6) is arranged at the bottom of the waste gas absorption device (3), the aeration pipe (6) penetrates through the waste gas absorption device (3) and is communicated with the primary filtering device (1) through the pipeline (5), alkali liquor is contained in the waste gas absorption device (3), the secondary filtering device (4) is arranged at the top of the waste gas absorption device (3), an activated carbon adsorption layer (7) is arranged in the secondary filtering device (4), the activated carbon adsorption layer (7) is provided with a plurality of layers, and the top of the secondary filtering device (4) is provided with an exhaust port (9).
2. The exhaust treatment mechanism of the diesel generator set according to claim 1, wherein: the heat exchange device (2) comprises a heat exchange coil (10) and a cooling box (11) which are wound on the outer side of the pipeline (5), wherein a reflux pump is arranged at one end of the cooling box (11), and a cooling liquid adding port is formed in the other end of the cooling box.
3. The exhaust treatment mechanism of the diesel generator set according to claim 1, wherein: the pipeline (5) is also communicated with an oil accumulation box (12), and the oil accumulation box (12) is arranged between the heat exchange device (2) and the waste gas absorption device (3).
4. The exhaust treatment mechanism of the diesel generator set according to claim 1, wherein: the end part of the aeration pipe (6) is provided with an arc-shaped aeration disc (13), and the surface of the aeration disc (13) is provided with a plurality of aeration holes (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022705439.8U CN214182298U (en) | 2020-11-20 | 2020-11-20 | Exhaust treatment mechanism of diesel generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022705439.8U CN214182298U (en) | 2020-11-20 | 2020-11-20 | Exhaust treatment mechanism of diesel generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214182298U true CN214182298U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022705439.8U Active CN214182298U (en) | 2020-11-20 | 2020-11-20 | Exhaust treatment mechanism of diesel generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214182298U (en) |
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- 2020-11-20 CN CN202022705439.8U patent/CN214182298U/en active Active
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