CN201733831U - Apparatus for processing tail gas resulted from drying ethanol byproducts forage - Google Patents
Apparatus for processing tail gas resulted from drying ethanol byproducts forage Download PDFInfo
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- CN201733831U CN201733831U CN2010202866716U CN201020286671U CN201733831U CN 201733831 U CN201733831 U CN 201733831U CN 2010202866716 U CN2010202866716 U CN 2010202866716U CN 201020286671 U CN201020286671 U CN 201020286671U CN 201733831 U CN201733831 U CN 201733831U
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- tail gas
- cyclone dust
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Abstract
The utility model discloses an apparatus for processing tail gas resulted from drying ethanol byproducts forage comprising a drying machine, a cyclone dust collector, an air blower and a washing tower, wherein the drying machine produces tail gas in drying ethanol byproducts forage; wherein the cyclone dust collector contains a tail gas entrance, a tail gas exit and a powder exit, the tail gas entrance and the drying machine connecting to each other for receiving tail gas, powder separated from tail gas by cyclone being to be discharged through tail gas exit; wherein the air blower is connected between the tail gas exit of the cyclone dust collector and an air inlet of a washing tower; wherein the washing tower contains an air inlet, an air outlet, a water inlet and a water outlet, the air inlet receiving the tail gas separated by the cyclone, the air outlet discharging the tail gas that has been washed, the water inlet providing washing water to the washing tower, the water outlet discharging washing water that has been used. The combined application of the cyclone dust collector and the washing tower of the utility model can recycle powder and heat in tail gas, which solves the issue of environmental pollution resulted from direct discharge of tail gas and greatly reduce energy consumption and manufacturing cost in evaporative concentration procedure.
Description
Technical field
The utility model relates to the alcohol production field, particularly, relates to a kind for the treatment of apparatus of ethanol byproduct feed oven dry tail gas.
Background technology
With the corn is that raw material passes through in the process of preparing ethanol by fermentation, from the alcohol distillation tower, give off alcohol effluent, nutritional labeling in the alcohol effluent such as protein, B family vitamin and amino acid content all increase to some extent than corn, and contain the unknown somatomedin that generates in the fermentation.In actual production, usually alcohol effluent is processed into the vinasse protein feed, maize alcohol stillage protein feed product on the market has two kinds: a kind of is DDG (Distillers Dried Grains), be that maize alcohol lees is made simple filtration, filter residue and drying, cleaner liquid emits, only the feed that the independent drying of filter residue is obtained; Another kind is DDGS (Distillers Dried Grains with Solubles), is the feed that obtains with the filter residue combination drying again after the cleaner liquid drying is concentrated.The latter's energy and nutriment total amount are all apparently higher than the former.Because the protein content of DDGS is more than 26%, become a kind of novel protein feed raw material of domestic and international production of fodder enterprise extensive use, be commonly used to substitute dregs of beans, fish meal in livestock and poultry and aquatic product matched feed, adding proportion reaches as high as 30%, and the ruminant of can directly feeding.
In the actual production, because ethanol byproduct feed produces a large amount of indirect steams (being commonly called as tail gas) in drying course, wherein contain a large amount of heats and feed a part dust, if after the feed oven dry directly with the tail gas emptying, and evaporation concentration system uses gives birth to steam, so not only cause environmental pollution, and wasted resource.
A kind for the treatment of apparatus of ethanol byproduct feed oven dry tail gas need be provided by above analysis as can be known.
The utility model content
Technical problem to be solved in the utility model provides a kind for the treatment of apparatus of ethanol byproduct feed oven dry tail gas, it is by reclaiming dust and the heat in the tail gas, solved the in line environmental pollution that causes of tail gas, with the thermal source of tail gas heat quantity as evaporation concentration system, reduced evaporation concentration system live steam consumption, and then reduced the finished product unit consumption, saved the energy.
For solving the problems of the technologies described above, the utility model provides a kind for the treatment of apparatus of ethanol byproduct feed oven dry tail gas, and this device comprises drying machine, cyclone dust collectors, blower fan and scrubbing tower.Wherein: described drying machine is used for producing tail gas when dry ethanol byproduct feed; Described cyclone dust collectors have gas inlet, tail gas outlet and dust outlet, described gas inlet links to each other with described drying machine to receive the tail gas that described drying machine produces, this tail gas passes through cyclonic separation in described cyclone dust collectors after, the dust that produces is discharged by described dust outlet, discharges by described tail gas outlet through the tail gas after the cyclonic separation; Described blower fan is connected between the air inlet of the tail gas outlet of described cyclone dust collectors and described scrubbing tower; Described scrubbing tower has air inlet, gas outlet, water inlet and discharge outlet, described air inlet links to each other to receive through the tail gas after the cyclonic separation with the tail gas outlet of described cyclone dust collectors, described gas outlet is used to discharge the tail gas through after the washing, described water inlet is used for providing washings with washing tail gas wherein to described scrubbing tower, and described discharge outlet is used to discharge washing water after washing.
By technique scheme of the present utility model, when producing a large amount of tail gas (indirect steam) when drying machine oven dry ethanol byproduct feed, this tail gas can carry out dedusting through cyclone dust collectors, thereby can reclaim a large amount of feed dust that contain in the tail gas.Tail gas after the dedusting is delivered to scrubbing tower by after the washings washings, and the tail gas of cleaning for example can offer evaporation concentration system as thermal source, thereby capable of reducing energy consumption, save the energy.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with the specific embodiment one of the present utility model, but does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the flow sheet according to the ethanol byproduct feed of the utility model embodiment.
Fig. 2 is the process chart according to the exhaust gas processing device of the ethanol byproduct feed of the utility model embodiment.
Fig. 3 is the structural representation according to the cyclone dust collectors of the utility model embodiment.
Fig. 4 is the structural representation according to the scrubbing tower of the utility model embodiment.
Description of reference numerals
1 drying machine, 21 gas inlets
The outlet of 2 cyclone dust collectors, 22 tail gas
The outlet of 3 scrubbing towers, 23 dust
4 blower fans, 24 heat tracing pipe roads
The section of revolving on the 5 exhaust branch roads 25
6 draining branch roads, 26 backspin sections
7 concentrate preceding jar 31 air inlets
8 washing water pumps, 32 gas outlets
9 evaporation concentration systems, 33 water inlets
10 coagulate water pot 34 discharge outlet
11 temperature sensors, 35 shower nozzles
12 insulation materials, 51 valves
61 valves
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
Below, at first the drying course of ethanol byproduct feed of the present utility model is described in conjunction with Fig. 1.
The alcohol effluent that distillation process produces is separated into filter cake and cleaner liquid by the solid-liquid device.Cleaner liquid is sent to evaporation concentration system concentrates, obtain total solids content and be approximately underflow about 40%.Be delivered to drying machine by machinery after underflow and filter cake are mixed by a certain percentage and carry out drying, obtain the DDGS feed of water content about about 10%.
In the dry run of drying machine, the tail gas of generation is sent to cyclone dust collectors and carries out dedusting, and the feed dust of recovery can turn back in the drying machine, perhaps directly is sent to the feed package line.Be sent in the scrubbing tower through the tail gas of dedusting and wash, can be sent to evaporation concentration system to utilize heat wherein through the cleaning tail gas after the washing, the washings that scrubbing tower uses are cleaner liquid, the washings of discharging from scrubbing tower are sent to evaporation concentration system and concentrate, after underflow and filter cake are mixed by a certain percentage, are delivered to drying machine by plant equipment and carry out drying.
In above-mentioned production process, can reclaim the feed dust that contains in the tail gas after the tail gas process cyclone dust collectors dedusting that produces in the drying machine, thereby can economize on resources, avoid waste.Tail gas is sent to evaporation concentration system after washing, can recycle the heat in the tail gas, thereby can save the energy, cuts down the consumption of energy.
Below, with reference to Fig. 2, Fig. 3 and Fig. 4 the exhaust gas processing device of ethanol byproduct feed of the present utility model is elaborated.
According to a kind of embodiment, the treating apparatus that is used for ethanol byproduct feed oven dry tail gas mainly comprises drying machine 1, cyclone dust collectors 2 and scrubbing tower 3.
Drying machine 1 (for example pipe bundle drier) normally utilizes steam that ethanol byproduct feed is carried out drying, owing to adopt steam as thermal source, material does not directly contact with steam, the efficient of drying machine dry products is very high, the quality of steam of the steam that drying machine is discharged is than higher, steam moisture is big, the steam of this quality can substitute the thermal source of living steam as evaporation concentration system, steam condensate (SC) can be used as the thermal source in the heat tracing pipe road 24 of cyclone dust collectors 2, and the condensed water in process heat tracing pipe road 24 can be sent to water pot 10 with fixed attention by coagulating water pipe.
As a kind of embodiment, as shown in Figure 3, described gas inlet 21 can be positioned on the upper end sidewall of described cyclone dust collectors 2, and described tail gas outlet 22 can be positioned on the roof of described cyclone dust collectors 2, and described dust outlet 23 can be positioned at the bottom of described cyclone separator 2.By this arrangement, can remove the feed dust in the tail gas effectively.
Preferably, cyclone dust collectors 2 also comprise heat tracing pipe road 24, to prevent tail gas condensation in cyclone dust collectors 2, influence dust removing effects.Drying machine 1 utilizes the dry ethanol byproduct of steam feed usually, therefore can produce condensed water, and the condensation flow of generation flow to then and coagulate water pot 10, thereby recycling condensed water heats described heat tracing pipe road 24 through described heat tracing pipe road 24.Described cyclone dust collectors 1 also can adopt the thick rock wool heat-preservation as 100mm, like this, can further avoid tail gas condensation in cyclone dust collectors 2, influence dust removing effects.
More preferably, as shown in Figure 3, the length of the backspin section of described cyclone dust collectors 2 is than the length of normally used cyclone dust collectors.For example, for common cyclone dust collectors, the backspin section accounts for revolves the segment length ratio and is about 5%～40%.In the utility model, backspin section 26 accounts for the section of revolving 25 length ratios can reach 50%～150%.Thereby make dust that enough settlement spaces and sedimentation time be arranged, guarantee dust removing effects.
Blower fan 4 is connected between the air inlet 31 of the tail gas outlet 22 of cyclone dust collectors 2 and scrubbing tower, and the tail gas after described blower fan 4 will separate in described cyclone dust collectors 2 pumps in the described scrubbing tower 3.Have exhaust branch road 5 and draining branch road 6 on the pipeline between described blower fan 4 and the described scrubbing tower 3, be respectively arranged with valve 51,61 on this exhaust branch road 5 and the draining branch road 6.When described treating apparatus is worked, close described valve 51,61, described tail gas is sent to described scrubbing tower 3; When described treating apparatus quits work, open described valve 51,61, described tail gas is by described exhaust branch road 5 direct emptyings, and the condensed water in the tail gas is discharged by described draining branch road 6.
Described scrubbing tower 3 has air inlet 31, gas outlet 32, water inlet 33 and discharge outlet 34, described air inlet 31 links to each other to receive through the tail gas after the cyclonic separation with the tail gas outlet 22 of described cyclone dust collectors 2, described gas outlet 32 is used to discharge the tail gas through after the washing, described water inlet 33 is used for providing washings with washing tail gas wherein to described scrubbing tower 3, and described discharge outlet 34 is used to discharge washing water after washing.
As a kind of embodiment, as shown in Figure 4, described air inlet 31 can be positioned on the lower sides of described scrubbing tower 3, described gas outlet 32 can be positioned on the roof of described scrubbing tower 3, described water inlet 33 can be positioned on the top sidewall of described scrubbing tower 3, and described discharge outlet 34 can be positioned at the bottom of described scrubbing tower 3.By this arrangement, can optimize the clean result of tail gas.
Preferably, described scrubbing tower 3 adopts shower nozzle 35.The water smoke of described shower nozzle 35 ejections is the filled circles cone, has guaranteed hydraulic pressure and spray diameter, no dead angle, thus guarantee the washing tail gas effect.
More preferably, described scrubbing tower also can adopt the thick rock wool heat-preservation as 100mm, thereby assurance tail vapour temperature drop in washing process is guaranteed the quality of tail vapour thermal source at zone of reasonableness, utilizes in order to evaporation concentration system 9 again.
Described treating apparatus also comprises concentrated preceding jar 7, cleaner liquid before should concentrating in the jar 7 is the waste liquid that will go concentration systems to concentrate, simultaneously give described scrubbing tower 3 as washings by washing water pump 8, washings turn back to described concentrating in preceding jar 7 by pipeline self in described scrubbing tower 3.Cleaner liquid devaporation concentration systems 9 in before concentrating jar concentrates, and obtains total solids content and be about 40% underflow, after underflow and filter cake are mixed by a certain percentage, are delivered to drying machine 1 by plant equipment and carry out drying, is used to produce feed.
In addition, can be coated with insulation material 12 as required on each pipeline of described treating apparatus, analog such as rock wool for example is to prevent thermal loss.
In order to realize the automation of whole process of production, preferably, can also scene and teletransmission temperature sensor 11 be set at the tail gas import and export pipeline and the washings import and export pipeline of the tail gas import and export of described cyclone dust collectors 2, described scrubbing tower, in real time temperature signal be sent to control centre.
Need to prove that each the concrete technical characterictic described in the above-mentioned specific embodiment can make up arbitrarily by any suitable manner, it falls within the scope disclosed in the utility model equally.In addition, also can make up arbitrarily between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Below describe preferred implementation of the present utility model in conjunction with the accompanying drawings in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Claims (9)
1. a treating apparatus that is used for ethanol byproduct feed oven dry tail gas is characterized in that described treating apparatus comprises drying machine (1), cyclone dust collectors (2), blower fan (4) and scrubbing tower (3), wherein:
Described drying machine (1) is used for producing tail gas when dry ethanol byproduct feed;
Described cyclone dust collectors (2) have gas inlet (21), tail gas outlet (22) and dust outlet (23), described gas inlet (21) links to each other with described drying machine (1) to receive the tail gas that described drying machine (1) produces, this tail gas passes through cyclonic separation in described cyclone dust collectors (2) after, the dust that produces is discharged by described dust outlet (23), discharges by described tail gas outlet (22) through the tail gas after the cyclonic separation;
The tail gas that described blower fan (4) is connected described cyclone dust collectors (2) exports between the air inlet (31) of (22) and described scrubbing tower (3);
Described scrubbing tower (3) has air inlet (31), gas outlet (32), water inlet (33) and discharge outlet (34), described air inlet (31) receives through the tail gas after the cyclonic separation by the tail gas outlet (22) of described blower fan (4) from described cyclone dust collectors (2), described gas outlet (32) is used to discharge the tail gas through after the washing, described water inlet (33) is used for providing washings with washing tail gas wherein to described scrubbing tower (3), and described discharge outlet (34) is used to discharge washing water after washing.
2. treating apparatus according to claim 1, it is characterized in that, described gas inlet (21) is positioned on the upper end sidewall of described cyclone dust collectors (2), described tail gas outlet (22) is positioned on the roof of described cyclone dust collectors (2), and described dust outlet (23) is positioned at the bottom of described cyclone dust collectors (2).
3. treating apparatus according to claim 1 is characterized in that, the dust outlet (23) of described cyclone dust collectors (2) links to each other with described drying machine (1), is transported in the described drying machine (1) with the dust that will produce.
4. treating apparatus according to claim 1 is characterized in that, described cyclone dust collectors (2) also comprise heat tracing pipe road (24), and the condensation flow that produces in the described drying machine (1) is through described heat tracing pipe road (24).
5. treating apparatus according to claim 1, it is characterized in that, on the pipeline between described blower fan (4) and the described scrubbing tower (3), have exhaust branch road (5) and draining branch road (6), be respectively arranged with valve (51,61) on this exhaust branch road (5) and the draining branch road (6).
6. treating apparatus according to claim 1, it is characterized in that, described air inlet (31) is positioned on the lower sides of described scrubbing tower (3), described gas outlet (32) is positioned on the roof of described scrubbing tower (3), described water inlet (33) is positioned on the top sidewall of described scrubbing tower (3), and described discharge outlet (34) is positioned at the bottom of described scrubbing tower (3).
7. treating apparatus according to claim 6 is characterized in that, is provided with the shower nozzle (35) that links to each other with described water inlet (33) in the described scrubbing tower (3).
8. according to claim 6 or 7 described treating apparatus, it is characterized in that, described treating apparatus also comprises concentrated preceding jar (7), the cleaner liquid that is somebody's turn to do jar (7) middle generation before concentrating is given described scrubbing tower (3) as washings by washing water pump (8) pumping, and washing water after washing turns back in described concentrated preceding jar (7) in the described scrubbing tower (3).
9. treating apparatus according to claim 1 is characterized in that, described cyclone dust collectors (2) comprise section of revolving (25) and backspin section (26), the length of described backspin section (26) and described on the ratio of length of the section of revolving (25) be 50%～150%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202866716U CN201733831U (en) | 2010-08-05 | 2010-08-05 | Apparatus for processing tail gas resulted from drying ethanol byproducts forage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202866716U CN201733831U (en) | 2010-08-05 | 2010-08-05 | Apparatus for processing tail gas resulted from drying ethanol byproducts forage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201733831U true CN201733831U (en) | 2011-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202866716U Expired - Fee Related CN201733831U (en) | 2010-08-05 | 2010-08-05 | Apparatus for processing tail gas resulted from drying ethanol byproducts forage |
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| CN (1) | CN201733831U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217027A (en) * | 2013-04-19 | 2013-07-24 | 广西新天德能源有限公司 | Exhaust hot air recovery device of residue liquid drying machine |
| CN104001391A (en) * | 2014-06-10 | 2014-08-27 | 乳山市日晟机械制造有限公司 | Circulating water dust collection device |
| CN114950060A (en) * | 2022-05-23 | 2022-08-30 | 江苏益元泰生物技术有限公司 | Integrated treatment method for distillers' grains drying tail gas |
-
2010
- 2010-08-05 CN CN2010202866716U patent/CN201733831U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217027A (en) * | 2013-04-19 | 2013-07-24 | 广西新天德能源有限公司 | Exhaust hot air recovery device of residue liquid drying machine |
| CN104001391A (en) * | 2014-06-10 | 2014-08-27 | 乳山市日晟机械制造有限公司 | Circulating water dust collection device |
| CN114950060A (en) * | 2022-05-23 | 2022-08-30 | 江苏益元泰生物技术有限公司 | Integrated treatment method for distillers' grains drying tail gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: COFCO BIOCHEMICAL (ANHUI) CO., LTD. Free format text: FORMER NAME: FENGYUAN BIOLOGICAL CHEMISTRY CO., LTD., ANHUI PROV. |
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| CP03 | Change of name, title or address |
Address after: 233010 No. 1 COFCO Avenue, Anhui, Bengbu Patentee after: COFCO BIOCHEMICAL (ANHUI) Co.,Ltd. Address before: 233010 No. 73, Daqing Road, Bengbu, Anhui Patentee before: Anhui BBCA Biochemical Co.,Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: ANHUI COFCO FUEL ETHANOL CO., LTD. Free format text: FORMER OWNER: COFCO BIOCHEMICAL (ANHUI) CO., LTD. Effective date: 20120601 Owner name: COFCO BIOCHEMICAL (ANHUI) CO., LTD. Effective date: 20120601 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 233010 No. 73, Daqing Road, Bengbu, Anhui Patentee after: COFCO BIOCHEMICAL (ANHUI) Co.,Ltd. Address before: 233010 No. 1 COFCO Avenue, Anhui, Bengbu Patentee before: COFCO BIOCHEMICAL (ANHUI) Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120601 Address after: 233010 Anhui province Bengbu City Yuhui District Road No. 818 tiger Co-patentee after: COFCO BIOCHEMICAL (ANHUI) Co.,Ltd. Patentee after: Anhui COFCO Biochemical Fuel Alcohol Co.,Ltd. Address before: 233010 No. 73, Daqing Road, Bengbu, Anhui Patentee before: COFCO BIOCHEMICAL (ANHUI) Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20150805 |
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| EXPY | Termination of patent right or utility model |