CN208943485U - A kind of evaporator applied to DDGS production technology - Google Patents

A kind of evaporator applied to DDGS production technology Download PDF

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Publication number
CN208943485U
CN208943485U CN201821044404.0U CN201821044404U CN208943485U CN 208943485 U CN208943485 U CN 208943485U CN 201821044404 U CN201821044404 U CN 201821044404U CN 208943485 U CN208943485 U CN 208943485U
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China
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effect
falling film
effect falling
heating device
pump
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CN201821044404.0U
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夏和斌
董辉
其他发明人请求不公开姓名
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Qingdao Kang Jinghui Environmental Science And Technology Group Co Ltd
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Qingdao Kang Jinghui Environmental Science And Technology Group Co Ltd
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Abstract

The utility model discloses a kind of evaporators applied to DDGS production technology, including original fluid container, one effect falling film heating device, one effect falling film separator, one effect demister, one effect falling liquid film circulating pump, two effect falling film heating devices, two effect demisters, pump and vapour compression machine, preheater is connected with by feed pump in the liquid outlet of the original fluid container, the both ends of preheater are connected separately with draining pump and an effect falling film heating device, an effect falling liquid film circulating pump is connected on one effect falling film heating device liquid outlet, the one effect falling film heating device is also connected with an effect falling film separator, one effect falling film separator is equipped with an effect demister, the other end of one effect demister is connected with vapour compression machine.MVR vapo(u)rization system, required energy only has part electric energy when whole system is run, other energy consumptions are few, reduces steam usage amount, energy saving;Material flow velocity in downward film evaporator is fast, heated time is short, heating temperature is not high, the thermal efficiency is high, destroys to the element in material small.

Description

A kind of evaporator applied to DDGS production technology
Technical field
The utility model relates to a kind of evaporator, specifically a kind of evaporator applied to DDGS production technology.
Background technique
In recent years, with the popularization and use in China of vehicle fuel ethyl alcohol and the steady increasing of liquor consumption ability Long, the annual output of ethyl alcohol is gradually promoted, as ethyl alcohol production by-product --- the yield of vinasse is also increasing.If too late When be pocessed, will be putrid and deteriorated, not only waste valuable resource, can also seriously pollute the environment of surrounding.Therefore, vinasse Comprehensive utilization the development of resources and environmental protection in China are had a very important significance.
The nutritional ingredients such as crude protein and crude fat rich in vinasse can be processed production mixed fodder, make to improving The efficiency of cycling economy of liquor industry serves key.And the yield of vinasse is quite big, generally the 14-26 of alcohol output Times, i.e. 1 ton of 95 degree of medicinal alcohol highest of actual production can obtain 26 tons of vinasse.And the dry matter in vinasse contains amino acid, dimension The nutritional ingredients abundant such as raw element.It can be seen that recycling vinasse is very important.
Processing spent wash resulting product is DDGS.It, can by being separated to alcohol distillation waste liquor in DDGS technology To obtain wet wort sludge and centrifugal clear liquid.Wherein, containing many soluble nutritional ingredients in centrifugal clear liquid, in order to recycle this part Nutrient must just evaporate moisture to obtain dry matter.Clear liquid is generally first concentrated by evaporation to the concentrate for being 30%, it is this dense Contracting liquid is individually further dried again can obtain DDS;And concentrated slurry and wet wort sludge combination drying can be made into DDGS.
Traditional clear liquid processing mode mostly uses multiple-effect falling film to evaporate, since multiple-effect energy consumption is more, so my company selects A kind of novel MVR falling film evaporation technical treatment clear liquid reduces steam consumption quantity, energy saving.
Utility model content
The purpose of this utility model is to provide a kind of evaporators applied to DDGS production technology, to solve above-mentioned background The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions:
A kind of evaporator applied to DDGS production technology, including original fluid container, feed pump, preheater, condensate water pot, an effect Falling film heating device, an effect falling film separator, an effect demister, an effect falling liquid film circulating pump, transfering material pump, two effect falling film heating devices, two Imitate demister, two effect falling film separators, two effect falling liquid film circulating pumps and vapour compression machine, in the liquid outlet of the original fluid container by into Material pump is connected with preheater, and the both ends of preheater are connected separately with draining pump and an effect falling film heating device, an effect falling film heating device It is equipped with condensate water pot between draining pump, an effect falling liquid film circulating pump, an effect falling liquid film are connected on an effect falling film heating device liquid outlet The other end of circulating pump is connected on the inlet of an effect falling film heating device, and the effect falling film heating device is also connected with effect drop Membrane separator, an effect falling film separator are equipped with an effect demister, and the other end of an effect demister is connected with vapour compression machine, steams One end of vapour compressor is also connected with an effect falling film heating device, between the liquid outlet and inlet of the two effects falling film heating device also Two effect falling liquid film circulating pumps are connected with, circulation is played the role of, the liquid one end that goes out of two effect falling film heating devices is also connected with two effect falling liquid films Separator is also connected with two effect demisters in two effect falling film separators, and two effect demisters are connected with vapour compression machine, and described two imitate Discharging pump is additionally provided on the circulation loop of falling film heating device.
As a further solution of the present invention: the original fluid container, condensate water pot, an effect falling film separator, an effect are removed Day with fog, two effect demisters, two effect falling film separators are steel coiled material.
As a further solution of the present invention: the feed pump, an effect falling liquid film circulating pump, transfering material pump, two effect falling liquid films Circulating pump and discharging pump are centrifugal pump.
Compared with prior art, the utility model has the beneficial effects that 1.MVR vapo(u)rization system, whole system runs when institute The energy needed only has part electric energy, other energy consumptions are few.Steam usage amount is reduced, cost is reduced, improves efficiency, saves The energy.
2. material flow velocity in downward film evaporator is fast, heated time is short, heating temperature is not high, the thermal efficiency is high, to material In element destroy it is small.
3. system is concentrated using circulating and evaporating, the concentration that can be concentrated is higher.
Detailed description of the invention
Fig. 1 is a kind of system diagram of evaporator applied to DDGS production technology.
In figure: 1- original fluid container, 2- feed pump, 3- preheater, 4- draining pump, 5- condensate water pot, 6- mono- imitate falling film heating device, 7- mono- imitates falling film separator, 8- mono- imitates demister, 9- mono- imitates falling liquid film circulating pump, 10- transfering material pump, 11- bis- imitate falling film heating device, 12- bis- imitates demister, 13- bis- imitates falling film separator, 14- bis- imitates falling liquid film circulating pump, 15- discharging pump, 16- vapour compression machine.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Referring to Fig. 1, a kind of evaporator applied to DDGS production technology, including original fluid container 1, feed pump 2, preheater 3, Condensate water pot 5, one imitates falling film heating device 6, one and imitates falling film separator 7, one effect demister 8, one effect falling liquid film circulating pump 9, transfering material pump 10, two effect falling film heating devices 11, two imitate demister 12, two and imitate the effect falling liquid film circulating pump 14 of falling film separator 13, two and both vapor compression Machine 16 is connected with preheater 3 by feed pump 2 in the liquid outlet of the original fluid container 1, and the both ends of preheater 3 are connected separately with row Water pump 4 and an effect falling film heating device 6 are equipped with condensate water pot 5, an effect falling film heating between an effect falling film heating device 6 and draining pump 4 An effect falling liquid film circulating pump 9 is connected on 6 liquid outlet of device, the other end of an effect falling liquid film circulating pump 9 is connected to an effect falling film heating device 6 Inlet on, the effect falling film heating device 6 is also connected with an effect falling film separator 7, and an effect falling film separator 7 is equipped with one Demister 8 is imitated, the other end of an effect demister 8 is connected with vapour compression machine 16, and one end of vapour compression machine 16 is also dropped with an effect Film heater 6 is connected, and is also connected with two effect falling liquid film circulating pumps between the liquid outlet and inlet of the two effects falling film heating device 11 14, play the role of circulation, the liquid one end that goes out of two effect falling film heating devices 11 is also connected with two effect falling film separators 13, two effect falling liquid films Two effect demisters 12 are also connected on separator 13, two effect demisters 12 are connected with vapour compression machine 16, and the two effects falling liquid film adds It is additionally provided with discharging pump 15 on the circulation loop of hot device 11, wherein original fluid container 1, condensate water pot 5, one are imitated the effect of falling film separator 7, one and removed It is steel coiled material that day with fog 8, two, which imitates demister 12, two and imitates falling film separator 13, and feed pump 2, one imitates falling liquid film circulating pump 9, turns material 10, two effect falling liquid film circulating pump 14 of pump and discharging pump 15 are centrifugal pump.
Stoste in original fluid container 1 passes through feed pump first and enters in preheater 3 to preheat into 2;Material after preheating is by fair current Technique initially enters an effect falling film evaporator 6, and material enters the hopper of an effect falling film heating device 6, will by falling liquid film circulating pump 9 Material is sent to the filming device at the top of falling film heating device, and through over commutation, cloth film, feed liquid is uniformly distributed in the interior table of every heat exchanger tube Face, and flowed from above to below by gravity, during flowing through heater, the heat of steam side is absorbed, then explosive evaporation, Concentrate after evaporation rests on the bottom of falling film evaporator.
After pervaporation, the feed concentration of an effect falling film separator 7 rises, when material concentration reaches setting concentration, row An effect falling film separator 7 out enters the hopper of two effect falling film heating devices 11 by transfering material pump 10, passes through two effect falling liquid film circulating pumps 14 It is pumped to the filming device at the top of two effect falling film heating devices 11, through over commutation, cloth film, feed liquid is uniformly distributed in every heat exchanger tube Inner surface, and flowed from above to below by gravity, during flowing through heater, the heat of steam side is absorbed, is then boiled Evaporation, the concentrate after evaporation rest on the bottom of falling film evaporator.
When feed concentration reaches setting concentration, two effect falling film separator 13 of concentrate discharge passes through the effect of discharging pump 15 Discharge system.
Secondary steam process
The secondary steam that one effect falling film heating device 6 and the two effect evaporations of falling film heating device 11 generate is entrained with a small amount of drop, These dirty secondary steams rise, will be in secondary steam by countercurrent washing into an effect demister 8 and two effect demisters 12 The fine droplet of entrainment is washed out, and reenters feed liquid, and the secondary steam for being washed off mist enters 16 entrance of vapour compression machine, The steam flow of an effect falling film heating device 6 and two effect falling film heating devices 11 is respectively enterd further along secondary steam outlet conduit.
Secondary steam is condensed into water after exchanging heat in an effect falling film heating device 6 and two effect falling film heating devices 11, goes to preheating Device 3 is raw material preheating.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective It makes a variety of changes.

Claims (3)

1. a kind of evaporator applied to DDGS production technology, including original fluid container (1), feed pump (2), preheater (3), condensed water Tank (5), effect falling film separator (7), effect demister (8), effect falling liquid film circulating pump (9), turns effect falling film heating device (6) Material pump (10), two effects falling film heating device (11), two effects demister (12), two effects falling film separator (13), two effect falling liquid film circulating pumps (14) and vapour compression machine (16), it is characterised in that: be connected in the liquid outlet of the original fluid container (1) by feed pump (2) pre- Hot device (3), the both ends of preheater (3) are connected separately with draining pump (4) He Yixiao falling film heating device (6), an effect falling film heating device (6) condensate water pot (5) are equipped between draining pump (4), are connected with effect falling liquid film circulation on effect falling film heating device (6) liquid outlet It pumps (9), the other end of effect falling liquid film circulating pump (9) is connected on the inlet of an effect falling film heating device (6), the effect falling liquid film Heater (6) is also connected with an effect falling film separator (7), and effect falling film separator (7) is equipped with effect demister (8), an effect The other end of demister (8) is connected with vapour compression machine (16), and falling film heating device is also imitated with one in one end of vapour compression machine (16) (6) it is connected, is also connected with two effect falling liquid film circulating pumps (14) between the liquid outlet and inlet of two effect falling film heating device (11), The liquid one end that goes out of two effects falling film heating device (11) is also connected with two effect falling film separators (13), goes back in two effects falling film separator (13) Two effect demisters (12) are connected with, two effects demister (12) are connected with vapour compression machine (16), the two effects falling film heating device (11) discharging pump (15) are additionally provided on circulation loop.
2. a kind of evaporator applied to DDGS production technology according to claim 1, it is characterised in that: the original fluid container (1), condensate water pot (5), effect falling film separator (7), effect demister (8), two effects demister (12), two effect falling film separators It (13) is steel coiled material.
3. a kind of evaporator applied to DDGS production technology according to claim 1, it is characterised in that: the feed pump (2), effect falling liquid film circulating pump (9), transfering material pump (10), two effects falling liquid film circulating pump (14) and discharging pump (15) are centrifugal pump.
CN201821044404.0U 2018-07-03 2018-07-03 A kind of evaporator applied to DDGS production technology Active CN208943485U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821044404.0U CN208943485U (en) 2018-07-03 2018-07-03 A kind of evaporator applied to DDGS production technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821044404.0U CN208943485U (en) 2018-07-03 2018-07-03 A kind of evaporator applied to DDGS production technology

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111603792A (en) * 2020-04-23 2020-09-01 安徽春辉环保工程科技有限公司 Intelligent novel environment-friendly energy-saving multi-effect evaporator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111603792A (en) * 2020-04-23 2020-09-01 安徽春辉环保工程科技有限公司 Intelligent novel environment-friendly energy-saving multi-effect evaporator

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