CN203347891U - Exhaust gas cooling and purifying device for diesel generator - Google Patents
Exhaust gas cooling and purifying device for diesel generator Download PDFInfo
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- CN203347891U CN203347891U CN2013204425105U CN201320442510U CN203347891U CN 203347891 U CN203347891 U CN 203347891U CN 2013204425105 U CN2013204425105 U CN 2013204425105U CN 201320442510 U CN201320442510 U CN 201320442510U CN 203347891 U CN203347891 U CN 203347891U
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- tail gas
- purifying device
- gas cooling
- diesel
- exhaust gas
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses an exhaust gas cooling and purifying device for a diesel generator, and solves the problems that in the traditional diesel generator exhaust gas treatment mode, the exhaust gas temperature is high, the exhaust gas can not be dried, and the filtration effect is poor. The exhaust gas cooling and purifying device comprises a box body with an intake port and an exhaust port, and an intelligent electronic control box and an external water circulation system which are connected to each other, wherein a circulation heat exchanger for heat exchange with the exhaust gas, and a diesel generator exhaust particulate filter for filtrating exhaust gas particles after heat exchange are respectively arranged in the box body, and a first channel for allowing the exhaust gas to be introduced into the diesel generator particulate filter is arranged between the diesel generator exhaust particulate filter and the circulation heat exchanger; and a second channel is arranged between the diesel generator exhaust particulate filter and the exhaust port of the box body, and the external water circulation system is connected with the circulation heat exchanger. The exhaust gas cooling and purifying device provided by the utility model has the advantages of reasonable structure, convenience in use, and better filtrating and purifying effects, and can substantially improve the black smoke removing rate of the diesel generator exhaust gas.
Description
Technical field
The utility model relates to a kind of purification plant, specifically, relates to a kind of diesel generation tail gas cooling purifying device.
Background technique
Providing of emergency power supply is provided diesel generator, when civil power is stopped power supply for some reason, for ensure producing and normally the carrying out and the normal operation of fire-protection equipment of life, by diesel generator, provides the standby emergency power supply.
Yet diesel generator, when work, because diesel oil fails fully to burn, thereby can cause generator to give off black smoke.Black smoke particulate (PM) particle diameter of diesel generator discharge is between 0.1～10 micron (being PM0.1～PM10) usually, it contains multiple poisonous carcinogen, and can be suspended in for a long time people's breathing zone scope, by respiration, enter respiratory system, the serious harm health.Along with the raising of society to environmental requirement, people more and more pay attention to the protection problem of environment, therefore, are necessary discharged black smoke is administered.
At present, the technology that the improvement soot emission adopts mainly contains water spray facture and electrostatic facture, and its mode with spray and Electrostatic Treatment is eliminated the black smoke particle.Yet, existing processing mode exists because medicine sprays and causes secondary pollution, and cause because needs continue energising the problem that energy consumption is high, and existing processing mode can not make the diesel generator exhaust temperature reduce and dried tail gas, and its filtering effect is not good.Therefore, the needs design is a kind of can process exhaust temperature, and dried tail gas, and the good device for purifying and treating tail gas of filtering effect.
The model utility content
The purpose of this utility model is to provide a kind of diesel generation tail gas cooling purifying device, mainly solve existing diesel generator vent gas treatment mode exist exhaust temperature high, can not dried tail gas and the not good problem of filtering effect.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of diesel generation tail gas cooling purifying device, comprise the casing with suction port and relief opening, and interconnective intelligent electric-controlled case and external water circulation system; In described casing, be respectively equipped with for carrying out the circulation heat exchanger of heat exchange with tail gas and for filtering the Diesel Particulate Filter of tail gas particle after heat exchange; Be provided with between described Diesel Particulate Filter and circulation heat exchanger for making tail gas pass into the first passage of diesel particulate filter, and be provided with second channel between the relief opening of this Diesel Particulate Filter and casing; Described external water circulation system is connected with circulation heat exchanger.
Further, also be provided with on described casing for controlling tail gas and be passed into the bypass valve control gear of second channel from first passage.
Specifically, described bypass valve control gear comprise be arranged between first passage and second channel, for making two channel connections or isolated bypass valve valve plate, and with the bypass valve valve plate, be connected, the actuator for controlling its unlatching or closing.
Specifically, described actuator comprises the electric actuator that is fixed on the casing outside and is connected with the bypass valve valve plate, and is arranged on the Manual drive mechanism on this electric actuator.
As preferably, described intelligent electric-controlled case also is connected with electric actuator.
Specifically, described external water circulation system comprises the water pump be connected with intelligent electric-controlled case, and be connected between this water pump and circulation heat exchanger, for the water tank of low-temperature receiver is provided to circulation heat exchanger.
Specifically, described Diesel Particulate Filter comprises more than one and the U-shaped filter core of making by beautiful this material of fluorine, and all U-shaped filter cores connect in turn.
Again further, described casing outside is provided with the temperature transducer be connected with intelligent electric-controlled case.
Further, described casing outside is provided with the pressure transmitter be connected with intelligent electric-controlled case.
As preferably, described casing outside also is provided with the back pressure table.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model is reasonable in design, is skillfully constructed, and aspect the processing of diesel generator tail gas clean-up, has very strong specific aim.
(2) the utility model is provided with circulation heat exchanger and diesel particulate filter in casing, wherein, circulation heat exchanger can carry out heat exchange with the tail gas be passed in purifier, so that the tail gas cooling, and it is carried out to drying, the exhaust temperature that can make like this rear end discharge is low and dry; And diesel particulate filter is owing to having U-shaped filter core, therefore, it can make the passage of tail gas filtering increase, the surface of contact increase of filter core and tail gas, thus well the black smoke particle in tail gas is filtered; The utility model adopts physical means, removed well the black smoke in tail gas, it compares the mode of existing chemical formula smoke abatement or static smoke abatement, have advantages of that energy-saving and environmental protection, filtering effect are good, the results showed, black smoke eliminating rate of the present utility model is up to 98%, can thoroughly remove the PM0.1 that diesel generator work produces～PM10 particulate pollutant.
(3) the utility model is provided with intelligent electric-controlled case and external water circulation system, control the external water circulation system by intelligent electric-controlled case, just can provide continuously low-temperature receiver to circulation heat exchanger, can to tail gas, be lowered the temperature better and drying, add the temperature of the real-time detection facility of temperature transducer inside, make whole system more reasonable for the utilization of the energy, therefore, the utility model has improved the utilization ratio of the energy to greatest extent in the mode of energy recycling, and has saved cost.
(4) the U-shaped filter core in the utility model adopts beautiful this material of fluorine to make, beautiful this of fluorine compared with other filtering materials, its wear resistance, antiacid caustic corrosion, fold resistance and peeling strength all are significantly improved, and high temperature resistant, therefore, use filter core that this kind of material made can bear the high filtration load, and, more than its rate of filtration can reach 1.0m/min, the rate of filtration is fast.
(5) the utility model also is provided with respectively bypass valve control gear and back pressure table, the meaning of its setting is: one, energy saving, improve smoke exhaust efficiency, if the tail gas that diesel generator is discharged does not contain black smoke, utilize the bypass valve control gear can switch the circulating direction of tail gas, make it from first passage, directly be passed into second channel, and discharge the energy consumption that so just can save purifier via relief opening; Two, when the back pressure (being exhaust resistance) of the diesel generator gas exhaust piping be connected with purification plant increases; the back pressure table is measured and is presented on table by its back pressure value; so; the staff is reading out data intuitively; thereby utilize actuating mechanism controls bypass valve valve plate open or close, control tail gas and directly discharge without filter element filtering, both protected equipment; make its normal operation, can facilitate again staff's renew cartridge more in time.
(6) the utility model is provided with pressure transmitter, this pressure transmitter can be converted into the economy of diesel generator gas exhaust piping linear curtage signal and be transferred in intelligent electric-controlled case, just can facilitate intelligent electric-controlled case to control the bypass valve valve plate opens or closes, thereby reduce the back pressure of gas exhaust piping in the mode of automatically controlling, and intelligent electric-controlled case can also be connected to warning device, then control this warning device and send alarm signal, remind the staff to notice that whether the diesel engine exhaust back pressure is too high, in order to safeguard accordingly, thereby not only guaranteed the normal operation of equipment, and can make it better the tail gas black smoke be filtered and purify.
(7) the utility model automaticity is high, tail gas flue dust good filtration effect, and degree of purification is high, without adding medicament, and no secondary pollution, can significantly reduce the tail gas clean-up cost, therefore, the utlity model has very high market value, be suitable for applying.
The accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present utility model.
The internal structure schematic diagram that Fig. 2 is casing.
A kind of use phase diagram that Fig. 3 is casing internal unit in the utility model.
The another kind that Fig. 4 is casing internal unit in the utility model is used phase diagram.
Wherein, the component name that reference character is corresponding is called:
The intelligent electric-controlled case of 1-, 2-casing, 3-circulation heat exchanger, 4-diesel particulate filter, 5-bypass valve valve plate, 6-electric actuator, 7-temperature transducer, 8-pressure transmitter, 9-water pump, 10-water tank, 11-back pressure table.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and mode of execution of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1, 2, the utility model is mainly used in the tail gas dust treatment aspect of diesel generator, and it,, with after the exhaust duct of diesel generator is communicated with, carries out filtration, purification by the tail gas passed into wherein, then discharges.This purification plant comprises intelligent electric-controlled case 1, casing 2, circulation heat exchanger 3, diesel particulate filter 4 and external water circulation system, and casing 2 has suction port and relief opening.Described circulation heat exchanger 3 and diesel particulate filter 4 are successively set on casing 2 inside, and wherein, circulation heat exchanger 3 is near casing 2 suction port places, and it carries out heat exchange for the tail gas with passing into purifier, thereby reduces exhaust temperature, and makes the tail gas drying; Be provided with first passage between circulation heat exchanger 3 and diesel particulate filter 4, due to the sealing process of device structure, therefore, after the tail gas cooling, just can only enter into diesel particulate filter 4 by this first passage.And, after tail gas is passed into diesel particulate filter 4, this diesel particulate filter 4 is just filtered tail gas, remove soot particulate wherein, thereby reach the purpose of purification.Diesel particulate filter 4 comprises at least one U-shaped filter core, all U-shaped filter cores connect in turn, the combination of a plurality of U-shaped filter cores can more effectively be filtered tail gas, and be further to optimize its filtering effect, in the present embodiment, as preferably, all U-shaped filter cores are made by beautiful this material of fluorine.Tail gas, after diesel particulate filter 4 filters, is just discharged by the second channel be arranged between diesel particulate filter 4 and casing 2 relief openings.
The external water circulation system, for to circulation heat exchanger 3, providing continuously low-temperature receiver, can be lowered the temperature to tail gas well.This external water circulation system is by intelligent electric-controlled case 1 control work, and specifically, this external water circulation system comprises the water pump 9 be connected with intelligent electric-controlled case 1, and connects the water tank 10 between this water pump 9 and circulation heat exchanger 3 by circulating pipe.
In addition, the utility model is provided with the temperature transducer 7 be connected with intelligent electric-controlled case 1 in casing 2 outsides, can detect in real time the temperature in casing 2, it can set a threshold values in intelligent electric-controlled case 1, when temperature transducer 7 detects gas flow temperature in equipment higher than the threshold values set, utilize intelligent electric-controlled case 1 to control water pump 9 work, this water pump 9 is pumped into the cooling water in water tank 10 in circulation heat exchanger 3 and circulates, increase the heat exchange degree of circulation heat exchanger 3 and tail gas, thereby reach the temperature that reduces tail gas and the purpose that makes the tail gas drying.
Above-mentioned design is can be by tail gas filtering clean and by its discharge.And, in order to realize multifunction of the present utility model, for example for some tail gas, can filter situation about just can discharge, the utility model can directly make the tail gas that enters first passage directly be passed into second channel, then through relief opening, discharges.Therefore, the present embodiment also is provided with the bypass valve control gear on casing 2, its by actuator and be arranged on first passage and second channel between, for making two channel connections or isolated bypass valve valve plate 5, form, bypass valve valve plate 5 can switch the circulating direction of tail gas by changing oneself state, described actuator comprises the electric actuator 6 that is fixed on casing 2 outsides and is connected with bypass valve valve plate 5, and is arranged on the Manual drive mechanism on this electric actuator 6.Electric actuator 6 can manually be controlled its work, also can control its work by intelligent electric-controlled case 1, and the electric actuator 6 in the present embodiment is connected with intelligent electric-controlled case 1, by this intelligent electric-controlled case 1, is controlled.Under the control of intelligent electric-controlled case 1, electric actuator 6 self can automatically be controlled bypass valve valve plate 5 and opens or close, Manual drive mechanism can manual drives electric actuator 6 be controlled 5 unlatchings of bypass valve valve plate or close, the Manual drive mechanism here is prior art, for example its can be one hand, this is hand after rotating, and can drive electric actuator 6 to control 5 work of bypass valve valve plate.Like this, when the tail gas passed into does not need to filter, just can utilize electric actuator 6 or Manual drive mechanism to control bypass valve valve plate 5 opens, make tail gas directly be passed into second channel from first passage, finally discharge from relief opening, and tail gas need to be filtered the time, bypass valve valve plate 5 is closed, tail gas enters into diesel particulate filter 4 by first passage and filters, purifies, and finally is passed into second channel again, then through relief opening, discharges.
In addition, the utility model also also is respectively equipped with pressure transmitter 8 and back pressure table 11 in casing 2 outsides, and wherein, pressure transmitter 8 is connected with intelligent electric-controlled case 1.Pressure variator 8 and back pressure table 11 are all for detection of the back pressure of the diesel generator gas exhaust piping be connected with purification plant, the back pressure value that back pressure table 11 can change pipeline is presented on table in real time, so that the staff can grasp the runnability of whole diesel generator and purification plant at any time, thereby determine that whether needing manually to control the bypass valve control gear opens or close.8 economies by pipeline of pressure transmitter are converted into linear curtage signal and are transferred in intelligent electric-controlled case 1, then intelligent electric-controlled case 1 is contrasted itself and predefined back pressure threshold values, if actual pressure is greater than preset pressure, 1, intelligent electric-controlled case is controlled electric actuator 6 work, making it control bypass valve valve plate 5 opens, tail gas directly is passed into second channel from first passage, finally by relief opening, discharge, thereby reduce the back pressure of gas exhaust piping, make purification plant and the normal operation of connected diesel generator.
Mode of operation of the present utility model can be divided into tail gas filtering pattern and the in line pattern of tail gas, as described below:
The tail gas filtering pattern
As shown in Figure 3, the thick arrow in accompanying drawing means dust-contained airflow, and thin arrow means clean gas flow.The working procedure of this pattern can be summarized as: purification plant is connected with the exhaust duct of diesel generator, and intelligent electric-controlled case 1 is connected with diesel generator, provide working power by diesel generator to it, so also can additionally for intelligent electric-controlled case 1, provide power supply again.Produce tail gas during diesel generator work, and be drained in casing 2 by exhaust duct.After tail gas enters casing 2, with circulation heat exchanger 3, carry out heat exchange, exhaust temperature reduces and sloughs moisture, then entering into diesel particulate filter 4 through first passage is filtered, become clean gas, and enter into second channel, discharge finally by relief opening.
The in line pattern of tail gas
As shown in Figure 4, in accompanying drawing, all parts is identical with above-mentioned pattern with the annexation of diesel generator.This pattern is applicable to tail gas not containing black smoke or the excessive situation of the interior back pressure of casing 2, and its working procedure can be summarized as: produce tail gas during diesel generator work, and be drained in casing 2 by exhaust duct.After tail gas enters casing 2, carry out heat exchange with circulation heat exchanger 3, exhaust temperature reduces and sloughs moisture, bypass valve valve plate 5 is now opened by the mode of controlling manually or automatically, first passage is communicated with second channel, tail gas just directly enters in second channel through first passage, then through relief opening, discharges.
According to above-described embodiment, just can realize well the utility model.What deserves to be explained is; under the prerequisite based on the said structure design; for solving same technical problem; even make some without substantial change or polishing on the utility model; or be equal to displacement; or relying on juche idea of the present utility model to carry out some skimble-skamble expansions, the essence of the technological scheme that it adopts is still consistent with the utility model, also should be in protection domain of the present utility model.
Claims (10)
1. a diesel generation tail gas cooling purifying device is characterized in that: comprise the casing (2) with suction port and relief opening, and interconnective intelligent electric-controlled case (1) and external water circulation system; In described casing (2), be respectively equipped with for carrying out the circulation heat exchanger (3) of heat exchange with tail gas and for filtering the Diesel Particulate Filter (4) of tail gas particle after heat exchange; Be provided with between described Diesel Particulate Filter (4) and circulation heat exchanger (3) for making tail gas pass into the first passage of diesel particulate filter, and be provided with second channel between the relief opening of this Diesel Particulate Filter (4) and casing; Described external water circulation system is connected with circulation heat exchanger (3).
2. a kind of diesel generation tail gas cooling purifying device according to claim 1, is characterized in that: also be provided with on described casing (2) for controlling tail gas and be passed into the bypass valve control gear of second channel from first passage.
3. a kind of diesel generation tail gas cooling purifying device according to claim 2, it is characterized in that: described bypass valve control gear comprise be arranged between first passage and second channel, for making two channel connections or isolated bypass valve valve plate (5), and with bypass valve valve plate (5), be connected, the actuator for controlling its unlatching or closing.
4. a kind of diesel generation tail gas cooling purifying device according to claim 3, it is characterized in that: described actuator comprises the electric actuator (6) that is fixed on casing (2) outside and is connected with bypass valve valve plate (5), and is arranged on the Manual drive mechanism on this electric actuator (6).
5. a kind of diesel generation tail gas cooling purifying device according to claim 4, it is characterized in that: described intelligent electric-controlled case (1) also is connected with electric actuator (6).
6. according to any described a kind of diesel generation tail gas cooling purifying device of claim 1～5, it is characterized in that: described external water circulation system comprises the water pump (9) be connected with intelligent electric-controlled case (1), and be connected between this water pump (9) and circulation heat exchanger (3), for the water tank (10) of low-temperature receiver is provided to circulation heat exchanger (3).
7. a kind of diesel generation tail gas cooling purifying device according to claim 6, it is characterized in that: described Diesel Particulate Filter (3) comprises more than one and the U-shaped filter core of making by beautiful this material of fluorine, and all U-shaped filter cores connect in turn.
8. a kind of diesel generation tail gas cooling purifying device according to claim 7, it is characterized in that: described casing (2) outside is provided with the temperature transducer (7) be connected with intelligent electric-controlled case (1).
9. according to the described a kind of diesel generation tail gas cooling purifying device of right 7 or 8, it is characterized in that: described casing (2) outside is provided with the pressure transmitter (8) be connected with intelligent electric-controlled case (1).
10. a kind of diesel generation tail gas cooling purifying device according to claim 9, it is characterized in that: described casing (2) outside also is provided with back pressure table (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204425105U CN203347891U (en) | 2013-07-24 | 2013-07-24 | Exhaust gas cooling and purifying device for diesel generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204425105U CN203347891U (en) | 2013-07-24 | 2013-07-24 | Exhaust gas cooling and purifying device for diesel generator |
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| Publication Number | Publication Date |
|---|---|
| CN203347891U true CN203347891U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204425105U Expired - Fee Related CN203347891U (en) | 2013-07-24 | 2013-07-24 | Exhaust gas cooling and purifying device for diesel generator |
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| CN (1) | CN203347891U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868982A (en) * | 2018-09-03 | 2018-11-23 | 王随朝 | Diesel-driven generator alert process device and exhaust gas processing device |
| CN108868974A (en) * | 2018-09-03 | 2018-11-23 | 王随朝 | Diesel-driven generator exhaust gas processing device |
-
2013
- 2013-07-24 CN CN2013204425105U patent/CN203347891U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868982A (en) * | 2018-09-03 | 2018-11-23 | 王随朝 | Diesel-driven generator alert process device and exhaust gas processing device |
| CN108868974A (en) * | 2018-09-03 | 2018-11-23 | 王随朝 | Diesel-driven generator exhaust gas processing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20170724 |