CN209333222U - Energy-saving and environment-friendly DDGS waste heat vapo(u)rization system - Google Patents
Energy-saving and environment-friendly DDGS waste heat vapo(u)rization system Download PDFInfo
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- CN209333222U CN209333222U CN201822198693.6U CN201822198693U CN209333222U CN 209333222 U CN209333222 U CN 209333222U CN 201822198693 U CN201822198693 U CN 201822198693U CN 209333222 U CN209333222 U CN 209333222U
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- 239000002918 waste heat Substances 0.000 title claims abstract description 36
- 101710089042 Demethyl-4-deoxygadusol synthase Proteins 0.000 title claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 277
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 128
- 239000007789 gas Substances 0.000 claims abstract description 74
- 239000000706 filtrate Substances 0.000 claims abstract description 46
- 238000005406 washing Methods 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 238000001704 evaporation Methods 0.000 claims abstract description 31
- 238000009833 condensation Methods 0.000 claims abstract description 29
- 230000005494 condensation Effects 0.000 claims abstract description 29
- 230000008020 evaporation Effects 0.000 claims abstract description 29
- 238000007599 discharging Methods 0.000 claims description 28
- 239000007787 solid Substances 0.000 claims description 13
- 239000000498 cooling water Substances 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 6
- 238000004821 distillation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000005201 scrubbing Methods 0.000 claims 1
- 238000009834 vaporization Methods 0.000 claims 1
- 230000008016 vaporization Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000000452 restraining effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000007701 flash-distillation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009102 absorption Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to a kind of energy-saving and environment-friendly DDGS waste heat vapo(u)rization systems, including condensed water flash tank, high-temperature condensation water pump, exhaust gas washing tower, washing water pump, one effect heater, one effect separator, two effect heat exchangers, two effect separators, evaporator, surface condenser, condensation water collection tank and condensate pump, the quantity of the evaporator is three, respectively triple effect evaporator, four-effect evaporator and quintuple effect evaporator, the utility model is sent into multistage evaporation system after restraining the washed tower washing of secondary steam that drier generates, the condensed water that drier generation will be restrained generates steam after flash tank is handled and is also fed into multistage evaporation system, concentration is evaporated at filtrate after being separated by solid-liquid separation to wine lees liquor using the steam of secondary steam and flash tank generation after washing, the sufficiently secondary steam of recycling pipe bundle drier generation And the heat in condensed water, heat recovery rate is high, and the dust pollution object in secondary steam is absorbed, and realizes energy-saving and emission-reduction purpose.
Description
Technical field
The utility model relates to vinasse albumen feed production equipment technical fields, and in particular to a kind of energy-saving and environment-friendly DDGS
Waste heat vapo(u)rization system.
Background technique
In alcohol production process, after fermentation liquid steams alcohol, the wine lees liquor rich in protein, wine lees liquor warp can be left
At filter residue and filtrate two parts after separation of solid and liquid, wherein filter residue is vinasse, and vinasse can be used for giving birth to after pipe bundle drier is dry
Full vinasse drying feed, i.e. DDGS are produced, and filtrate is also fed to drying machine drying after being concentrated by evaporation, the product after drying can also
For producing full vinasse drying feed.
Currently, the dry secondary steam generated is referred to as in vinasse when vinasse are dried using pipe bundle drier
Exhaust gas, the moisture not only dried out containing vinasse in the exhaust gas also contain part vinasse dust and partial air, moreover, secondary
Vapor (steam) temperature is higher, containing a large amount of heat, if secondary steam direct emission, will lead to a large amount of thermal loss waste, energy
Source waste is serious, does not meet energy-saving and emission-reduction requirement, moreover, the vinasse dust in the secondary steam is easy to pollute atmosphere,
For this purpose, secondary steam of the vinasse after dry is usually passed through in multiple-effect cleaner liquid vapo(u)rization system by the prior art, to wine lees liquor through solid
The filtrate generated after liquid separation is evaporated concentration, recycles the heat in secondary steam, still, existing multiple-effect cleaner liquid evaporation
System heat exchange efficiency is low, and exchanges heat merely through primary, and the heat recovery rate in secondary steam is low, and secondary after heat exchange
Steam direct emission, the dust pollution object in secondary steam still have, and energy-saving and emission-reduction requirement is not achieved.
Utility model content
In conclusion in order to overcome the shortcomings of that prior art problem, the utility model provide a kind of energy-saving and environment-friendly
DDGS waste heat vapo(u)rization system is sent into multistage evaporation system after restraining the washed tower washing of secondary steam that drier generates, will
The condensed water that tube bank drier generates generates steam after flash tank is handled and is also fed into multistage evaporation system, utilizes two after washing
The steam that secondary steam and flash tank generate is evaporated concentration, abundant recovery tube at filtrate after being separated by solid-liquid separation to wine lees liquor
The heat in secondary steam and condensed water that beam drying machine generates, heat recovery rate is high, the dust pollution object quilt in secondary steam
It absorbs, realizes energy-saving and emission-reduction purpose.
In order to solve the above technical problems, the technical solution adopted by the utility model is:
A kind of energy-saving and environment-friendly DDGS waste heat vapo(u)rization system, in which: including condensed water flash tank, high-temperature condensation water pump, give up
Gas wash tower, washing water pump, an effect heater, an effect separator, two effect heat exchangers, two effect separators, evaporator, surface condensation
Device, condensation water collection tank and condensate pump, an effect heater and two effect heat exchangers are tubular heat exchanger, an effect heating
The heat exchanger tube of device is connected to the air inlet of an effect separator, and the discharge port of the discharge port of an effect separator and an effect heater connects
Logical, the heat exchanger tube of two effect heat exchangers is connected to the air inlet of two effect separators, the discharge port of two effect separators and two effect heat exchangers
Discharge port connection；The evaporator includes heat exchanger, heater, evaporative recirculation pump and separator, the heat exchanger and
Heater is tubular heat exchanger, and discharge port, the discharge port of separator of the heat exchanger are connected to the discharge port of heater,
The discharge port of heater is connected to by evaporative recirculation pump with the feed inlet of the feed inlet of heat exchanger and heater, the heat exchanger
Reduced vapor outlet exported with the reduced vapor of heater and the air inlet of separator is connected to；The condensed water flash tank
Water inlet is connected to the condensed water water outlet of pipe bundle drier and the condensed water water outlet of reboiler, the condensed water flash tank
Water outlet is pumped by high-temperature condensation water and is connected to boiler, the air inlet of the one effect heater of gas outlet connection of condensed water flash tank,
The air inlet connection of the heater of the gas outlet connection evaporator of one effect separator；The air inlet of the exhaust gas washing tower is connected to
The exhaust vent of pipe bundle drier, the air inlet of the two effect heat exchanger of gas outlet connection of the exhaust gas washing tower, two effects are changed
The air inlet connection of the heat exchanger of the gas outlet connection evaporator of hot device, the gas outlet of two effect separators and the heater of evaporator
Air inlet connection, the gas outlet of the heat exchanger of evaporator is connected to atmosphere by air-introduced machine；The heater of the evaporator
Discharge port is connected to the filtrate (liquid of wine lees liquor equipment for separating liquid from solid, and the discharge port of the evaporative recirculation pump of the evaporator passes through
Pipeline is connected to the discharge port of two effect heat exchangers, and the discharge port of two effect heat exchangers passes through two effect circulating pump connections, one effect heater
The discharge port of the feed inlet of discharge port and two effect heat exchangers, an effect heater passes through an effect circulating pump and concentration liquid storage tank
The feed inlet connection of feed inlet and an effect heater；The heat exchanger of the condensed water outlet mouth and evaporator of the two effect heat exchangers
Condensed water outlet mouth passes through pipeline and is connected to the water inlet of exhaust gas washing tower, and the water outlet of exhaust gas washing tower is connected by washing water pump
Through wash washs water inlet and condensate water discharging pipeline, and condensate water discharging pipeline is connected to condensation water collection tank, and condensation water collection tank passes through
Condensate pump is connected to sewage disposal system, the condensation of the condensate water discharging mouth, the heater of evaporator of an effect heater
Water discharge outlet is connected to condensate water discharging pipeline.
Further, the quantity of the evaporator is three, respectively triple effect evaporator, four-effect evaporator and five effect evaporations
Device, the gas outlet of the two effect separator of air inlet connection of the heater of the triple effect evaporator and the outlet of an effect separator
Mouthful, the gas outlet of the two effect heat exchanger of air inlet connection of the heat exchanger of triple effect evaporator, the outlet of the separator of triple effect evaporator
The air inlet of the heater of mouth connection four-effect evaporator, the five effect evaporation of gas outlet connection of the separator of the four-effect evaporator
The air inlet of the heater of device, the air inlet of the gas outlet communicating surface condenser of the separator of quintuple effect evaporator, described three
The air inlet of the heat exchanger of the gas outlet connection four-effect evaporator of the heat exchanger of evaporator is imitated, the heat exchanger of four-effect evaporator goes out
Port is connected to the air inlet of the heat exchanger of quintuple effect evaporator, and the gas outlet of the heat exchanger of quintuple effect evaporator is connected to big by air-introduced machine
The discharge port of gas, the heater of the quintuple effect evaporator is connected to the filtrate (liquid of wine lees liquor equipment for separating liquid from solid, and five effects are steamed
The discharge port of the heater of hair device is connected to the discharge port of the heater of four-effect evaporator by the evaporative recirculation pump of quintuple effect evaporator
And quintuple effect evaporator heat exchanger and heater feed inlet, the discharge port of the heater of the four-effect evaporator passes through quadruple effect
The discharge port of heater and the heat exchanger of four-effect evaporator and heater of the evaporative recirculation pump connection triple effect evaporator of evaporator
Feed inlet, the discharge port of the heater of the triple effect evaporator imitates the discharging of heat exchanger by the connection two of evaporative recirculation pump
The feed inlet of the heater and heat exchanger of mouth and triple effect evaporator, the condensate water discharging of the heater of the triple effect evaporator
Mouthful, the condensate water discharging mouth of the heater of the condensate water discharging mouth of the heater of four-effect evaporator, quintuple effect evaporator with condensation
The connection of water drainage pipeline, discharge outlet, the discharge outlet of the heat exchanger of four-effect evaporator, five of the heat exchanger of the triple effect evaporator
The discharge outlet for imitating the heat exchanger of evaporator passes through pipeline and is connected to the water inlet of exhaust gas washing tower.
Further, evacuation port, the four-effect evaporator of the evacuation port of an effect heater, the heater of triple effect evaporator
The evacuation port of heater, quintuple effect evaporator the evacuation port of heater be connected to emptying pipeline, emptying pipeline and surface are cold
The air inlet of condenser is connected to, and the evacuation port of surface condenser is connected to drain pump, the cooling water inlet of the surface condenser
Be connected to circulating cooling water source, the cooling water outlet of surface condenser is connected to circulating cooling water source, the surface condenser it is cold
Condensate outlet condensation water collection tank, condensation water collection tank are connected to sewage disposal system by condensate pump.
Further, the air inlet of the heater of the four-effect evaporator passes through the outlet of pipeline and mash primary flash tank
Mouth connection, the wine lees liquor source after the feed inlet connection distillation of mash primary flash tank, the discharge port connection of mash primary flash tank
The discharge port of the feed inlet of mash two-stage flash tank, mash two-stage flash tank is connected to equipment for separating liquid from solid by mash discharging pump,
The air inlet of the heater of the gas outlet connection quintuple effect evaporator of mash two-stage flash tank.
Further, an effect control valve, two effects are provided on the pipeline that an effect circulating pump is connected to concentration liquid storage tank
Two effect control valves, the evaporative recirculation pump of triple effect evaporator are provided on the pipeline that circulating pump is connected to the discharge port of an effect heater
Triple effect control valve, the evaporative recirculation pump and triple effect of four-effect evaporator are provided on the pipeline being connected to the discharge port of two effect heat exchangers
Quadruple effect control valve, the evaporative recirculation pump of quintuple effect evaporator and four are provided on the pipeline of the discharge port connection of the heater of evaporator
It imitates and is provided with five effect control valves, the discharging of the heater of quintuple effect evaporator on the pipeline of the discharge port connection of the heater of evaporator
Inlet control valve is provided on the pipeline that mouth is connected to the filtrate (liquid of wine lees liquor equipment for separating liquid from solid.
The utility model has the following beneficial effects:
1, after the utility model washs the secondary steam generated in pipe bundle drier drying process by exhaust gas washing tower
Two effect heat exchangers are passed through, concentration is dried to filtrate using the waste heat in secondary steam, realizes the first of secondary steam waste heat
It recycles, then secondary steam enters the heat exchanger of triple effect evaporator, and the waste heat in secondary steam is recycled again, with
This analogizes, the heat in secondary steam by secondary heat exchanger, the heat exchanger of triple effect evaporator, four-effect evaporator heat exchanger and
The heat exchanger of quintuple effect evaporator, is recycled by level Four, sufficiently recycles the waste heat in the secondary steam that pipe bundle drier generates, heat
It measures and fully absorbs, and a small amount of tail gas being discharged after exhaust gas washing tower washing and level Four waste heat absorb will be free of dust,
Production area periphery is solved because caused by waste steam exhausting the problems such as environmental pollution.
2, the steam condensate (SC) in the high-temperature steam condensed water and reboiler for generating pipe bundle drier of the utility model
It is collected, so that it is flashed off the pure flash steam of high temperature under the condition of negative pressure in condensed water flash tank, flash steam is sent into
In one effect heater, concentration is evaporated to the filtrate of wine lees liquor using the waste heat of flash steam, the wine lees liquor in an effect heater
Filtrate be concentrated by evaporation generate steam, the heater which is admitted to triple effect evaporator is evaporated the filtrate of wine lees liquor dense
Contracting, and so on, the high-temperature condensation water of pipe bundle drier, the filtrate of wine lees liquor are concentrated by evaporation the steam generated and successively pass through an effect
Heater, the heater of triple effect evaporator, the heater of four-effect evaporator, quintuple effect evaporator heater, by level Four recycle benefit
With sufficiently recycling the waste heat and vinasse of the steam condensate (SC) in the high-temperature steam condensed water and reboiler for generating pipe bundle drier
The filtrate of liquid is concentrated by evaporation the waste heat in the steam generated, is evaporated concentration using filtrate of the waste heat to wine lees liquor, is not necessarily to volume
Outer energy can effectively improve energy utilization rate, improve evaporation and heat-exchange efficiency.
3, the utility model setting mash primary flash tank and mash two-stage flash tank, using flash process to the wine of high temperature
Poor liquid carries out primary and secondary flash distillation, and full flashing vapour and secondary flash vapour are passed through to the heater and five of four-effect evaporator respectively
The heater for imitating evaporator, recycles the heat in the wine lees liquor of high temperature, the wine lees liquor of original technique high temperature is filtering
When, cooling down, heat waste in wine lees liquor are needed, the utility model can recycle the heat in the wine lees liquor of high temperature,
Reach energy saving, the purpose of energy-saving and emission-reduction.
4, the condensed water after the use of flash steam that the pipe bundle drier of the utility model generates uniformly is recycled to exhaust gas and washes
It washs in tower, this water is used for the spray washing to the secondary steam of pipe bundle drier, the liquid level in exhaust gas washing tower is led to after increasing
It crosses washing water pump to send extra washing water into condensed water elimination pipeline, with the heater in triple effect, quadruple effect, quintuple effect evaporator
With the outlet together of the condensed water in surface condenser.
5, the utility model structure is simple, easy to use, can heat sufficiently in recovered alcohol production process, using useless
Heat is evaporated concentration to the filtrate in wine lees liquor, and heat recovery is sufficiently comprehensive, is truly realized energy-saving and emission-reduction.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of energy-saving and environment-friendly DDGS waste heat vapo(u)rization system, including condensed water flash tank 1, high-temperature condensation water
Pump 2, exhaust gas washing tower 4, washing water pump 3, one imitate heater 6, one and imitate the effect effect of heat exchanger 9, two of separator 7, two separator 10, steam
Device, surface condenser 24, condensation water collection tank 33 and condensate pump 25 are sent out, an effect heater 6 and two effect heat exchangers 9 are equal
For tubular heat exchanger, the heat exchanger tube of an effect heater 6 is connected to the air inlet of an effect separator 7, the discharge port of an effect separator 7
It is connected to the discharge port of an effect heater 6, the heat exchanger tube of two effect heat exchangers 9 is connected to the air inlet of two effect separators 10, two effects
The discharge port of separator 10 is connected to the discharge port of two effect heat exchangers 9；The evaporator includes heat exchanger, heater, evaporation
Circulating pump and separator, the heat exchanger and heater are tubular heat exchanger, discharge port, the separator of the heat exchanger
Discharge port be connected to the discharge port of heater, the discharge port of heater is by the feed inlet of evaporative recirculation pump and heat exchanger and adds
The feed inlet of hot device is connected to, the reduced vapor outlet of the heat exchanger and the reduced vapor outlet of heater and separator into
Port connection.
The quantity of the evaporator is three, respectively triple effect evaporator 30, four-effect evaporator 31 and quintuple effect evaporator
32, the triple effect evaporator 30 includes triple effect heater 13, three-effect heat exchanger 12, triple effect separator 14 and triple effect evaporation circulation
Pump 11, the four-effect evaporator 31 include that quadruple effect heater 18, quadruple effect heat exchanger 17, quadruple effect separator 19 and four-effect evaporation follow
Ring pump 16, the quintuple effect evaporator 32 include that five effect heaters 22, five imitate the effect separator 23 of heat exchanger 21, five and five effect evaporations
Circulating pump 20.
The condensed water water outlet of the condensed water water outlet and reboiler of the water inlet connection pipe bundle drier of condensed water flash tank 1
Mouthful, the water outlet of the condensed water flash tank 1 is connected to by high-temperature condensation water pump 2 with boiler, the outlet of condensed water flash tank 1
The air inlet of the air inlet of one effect heater 6 of mouth connection, the gas outlet connection triple effect heater 13 of an effect separator 7 is connected to；Three
Imitate the air inlet of the gas outlet connection quadruple effect heater 18 of separator 14, five effect of gas outlet connection of the quadruple effect separator 19
The air inlet of heater 22, the air inlet of the gas outlet communicating surface condenser 24 of five effect separators 23.The quadruple effect heating
The air inlet of device 18 is connected to by pipeline with the gas outlet of mash primary flash tank 27, and the feed inlet of mash primary flash tank 27 connects
Wine lees liquor source after logical distillation, the feed inlet of the discharge port connection mash two-stage flash tank 28 of mash primary flash tank 27, mash
The discharge port of two-stage flash tank 28 is connected to equipment for separating liquid from solid 44, the outlet of mash two-stage flash tank 28 by mash discharging pump 29
The air inlets of five effect heaters 22 of mouth connection.
The exhaust vent of the inlet connection pipe beam drying machine of exhaust gas washing tower 4, the outlet of the exhaust gas washing tower 4
The air inlet of the air inlets of two effect heat exchangers 9 of mouth connection, the gas outlets connection three-effect heat exchanger 12 of two effect heat exchangers 9 is connected to, and two
The gas outlet of effect separator 10 is connected to the air inlet of triple effect heater 13, the gas outlet connection quadruple effect heat exchange of three-effect heat exchanger 12
The air inlet of device 17, the air inlet of the five effect heat exchanger 21 of gas outlet connection of quadruple effect heat exchanger 17, the outlet of five effect heat exchangers 21
Mouth is connected to atmosphere by air-introduced machine 15.Two imitate condensed water outlet mouth, the quadruple effect of the condensed water outlet mouth of heat exchangers 9, three-effect heat exchanger 12
The condensed water outlet mouth of heat exchanger 17, the five condensed water outlet mouths for imitating heat exchangers 21 pass through the water inlet of pipeline Yu exhaust gas washing tower 4
It is connected to, by the connection of washing water pump 3 washing water inlet and condensate water discharging pipeline 34, an effect adds the water outlet of exhaust gas washing tower 4
The condensate water discharging mouth of hot device 6, the condensate water discharging mouth of triple effect heater 13, the condensate water discharging mouth of quadruple effect heater 18, five
The condensate water discharging mouth of effect heater 22 is connected to condensate water discharging pipeline 34, and condensate water discharging pipeline 34 is connected to condensed water and receives
Collect tank 33, condensation water collection tank 33 is connected to sewage disposal system 37 by condensate pump 25.
The discharge port of five effect heaters 22 is connected to the filtrate (liquid of wine lees liquor equipment for separating liquid from solid 44, five effect heaters 22
Discharge port by five effect evaporative recirculation pumps 20 be connected to quadruple effect heaters 18 discharge port, five effect heat exchangers 21 and five effect heaters
The discharge port of 22 feed inlet, the quadruple effect heater 18 is connected to going out for triple effect heater 13 by four-effect evaporation circulating pump 16
The discharge port of the feed inlet of material mouth, quadruple effect heat exchanger 17 and quadruple effect heater 18, the triple effect heater 13 is steamed by triple effect
The feed inlet of the discharge port of heat exchanger 9, triple effect heater 13 and three-effect heat exchanger 12 is imitated in the connection two for sending out circulating pump 11, and two effects are changed
The discharge port of hot device 9 is described by the discharge port of two effect circulating pump 8 connections, one effect heater 6 and the feed inlet of two effect heat exchangers 9
One effect heater 6 discharge port by one effect circulating pump 5 and be concentrated 35 feed inlet of liquid storage tank and one effect heater 6 feed inlet
Connection.
The described effect evacuation port of heater 6, the evacuation port of triple effect heater 13, quadruple effect heater 18 evacuation port,
The evacuation port of five effect heaters 22 is connected to emptying pipeline 36, and emptying pipeline 36 is connected to the air inlet of surface condenser 24,
The evacuation port of surface condenser 24 is connected to drain pump 26, and the cooling water inlet of the surface condenser 24 is connected to circulating cooling
The cooling water outlet at water source, surface condenser 24 is connected to circulating cooling water source, the condensation-water drain of the surface condenser 24
It is connected to condensation water collection tank 33, condensation water collection tank 33 is connected to sewage disposal system 37 by condensate pump 25.
One effect circulating pump 5 is provided with an effect control valve 38 with being concentrated on the pipeline that be connected to of liquid storage tank 35, two imitate circulating pumps 8 and
Two effect control valves 39 are provided on the pipeline of the discharge port connection of one effect heater 6, triple effect evaporation circulating pump 11 and two effects exchange heat
Triple effect control valve 40 is provided on the pipeline of the discharge port connection of device 9, four-effect evaporation circulating pump 16 goes out with triple effect heater 13
Quadruple effect control valve 41 is provided on the pipeline of material mouth connection, five effect evaporative recirculation pumps 20 are connected to the discharge port of quadruple effect heater 18
Pipeline on be provided with five effect control valves 42, the filtrates of the discharge port and wine lees liquor equipment for separating liquid from solid 44 of five effect heaters 22 go out
Inlet control valve 43 is provided on the pipeline of mouth connection.
In use, the secondary steam that pipe bundle drier generates enters exhaust gas washing tower 4, after washing through exhaust gas washing tower 4
Secondary steam enter two effect heat exchangers 9, carry out heat exchange with the filtrate of wine lees liquor in two effect heat exchangers 9, filtrate evaporation is dense
Contracting, by cooling down, the part of waste heat in secondary steam is absorbed and used secondary steam, part of waste heat be absorbed after secondary steaming
Vapour enters in three-effect heat exchanger 12, carries out heat exchange with the filtrate in three-effect heat exchanger 12, waste heat is absorbed and used again, later
Secondary steam enters in quadruple effect heat exchanger 17, carries out heat exchange with the filtrate in quadruple effect heat exchanger 17, waste heat is absorbed benefit again
With, later secondary steam enter five effect heat exchangers 21 in, with five effect heat exchangers 21 in filtrate carry out heat exchange, waste heat again by
It is absorbed and utilized, secondary steam later arranges Xiang great Qi, and the secondary steam that pipe bundle drier generates is washed by exhaust gas washing tower 4
Afterwards, secondary then after two imitate heat exchanger 9, three-effect heat exchanger 12, effect 21 4 exhaust-heat absorptions of heat exchanger of quadruple effect heat exchanger 17, five
Waste heat in steam is sufficiently recycled, and five imitate 21 rows of heat exchanger to the cleaning gas of atmosphere and are free of waste heat, is sufficiently recycled
The waste heat in secondary steam that pipe bundle drier generates, achieves energy-saving and emission reduction purposes.
The steam condensate (SC) in high-temperature steam condensed water and reboiler that pipe bundle drier generates enters condensed water flash tank
1, so that it is flashed off the pure flash steam of high temperature under the condition of negative pressure in condensed water flash tank 1, flash steam is sent into an effect and is added
In hot device 6, concentration is evaporated to the filtrate of wine lees liquor using the waste heat of flash steam, the part of waste heat of flash steam is absorbed benefit
With the filtrate of the wine lees liquor in an effect heater 6, which is concentrated by evaporation, generates steam, and the steam and flash steam enter triple effect heater 13
Concentration is evaporated to the filtrate of wine lees liquor, and so on, the filtrate evaporation of the high-temperature condensation water, wine lees liquor of pipe bundle drier is dense
The steam that contracting generates, which successively passes through an effect heater 6, triple effect heater 13, quadruple effect heater 18, five, imitates heater 22, by level Four
It recycles, sufficiently recycles the waste heat of the steam condensate (SC) in the high-temperature steam condensed water and reboiler for generating pipe bundle drier
And the filtrate of wine lees liquor is concentrated by evaporation the waste heat in the steam generated, is evaporated concentration using filtrate of the waste heat to wine lees liquor,
Without additional energy source, energy utilization rate can be effectively improved, improves evaporation and heat-exchange efficiency.The flash steam recycled through level Four
And waste heat is recycled filtrate and is concentrated by evaporation the steam generated and enters surface condenser 24 and be condensed into condensed water and enters condensed water
Collecting tank 33.
Fermentation liquid can leave the wine lees liquor rich in protein after steaming alcohol, which is high temperature wine lees liquor, high temperature
Wine lees liquor enters mash primary flash tank 27 and carries out flash distillation process, generates high temperature full flashing vapour, the wine lees liquor after primary flash
Flash distillation process is carried out into mash two-stage flash tank 28, generates secondary flash vapour, it is right that full flashing vapour enters quadruple effect heater 18
The filtrate of wine lees liquor is evaporated concentration, and secondary flash vapour is evaporated the filtrate of wine lees liquor into five effect heaters 22 dense
Contracting, so that the waste heat recycled in high temperature wine lees liquor is recycled.
Inlet control valve 43 is opened, filtrate of the wine lees liquor after being separated by solid-liquid separation is introduced into five effect heaters 22, steams in five effects
Five effects are respectively enterd from the feed inlet of the feed inlet of five effect heaters 22 and five effect heat exchangers 21 under the action of hair circulating pump 20 to add
Hot device 22 and five effect heat exchangers 21, the steam that filtrate is evaporated in five effect heaters 22 with flash steam and filtrate carry out heat exchange,
Filtrate carries out heat exchange with the secondary steam that pipe bundle drier generates in five effect heat exchangers 21, and filtrate is evaporated concentration, five
Circulating and evaporating concentration after a certain period of time, opens five effect control valves 42, filtrate is sent into quadruple effect under the action of imitating evaporative recirculation pump 20
Heat exchanger 17 and quadruple effect heater 18, filtrate are evaporated concentration again, and so on, filtrate successively pass through quintuple effect evaporator 32,
Four-effect evaporator 31, triple effect evaporator 30, two imitate heat exchanger 9 and an effect heater 6, filtrate are concentrated by evaporation by five times, in an effect
Filtrate in heater 6 after circulating and evaporating concentration enters the storage of concentrate storage tank.Reach the mesh that concentration is evaporated to filtrate
's.
Condensed water, the quadruple effect heat exchanger 17 that condensed water, the three-effect heat exchanger 12 that two effect heat exchangers 9 generate generate generate cold
The condensed water that condensate, five effect heat exchangers 21 generate passes through pipeline and enters exhaust gas washing tower 4, and washing water pump 3 uses the condensed water
Spray washing processing is carried out in the secondary steam generated to pipe bundle drier, the liquid level in exhaust gas washing tower 4 passes through after increasing washes
It washs water pump 3 to send extra washing water into condensed water elimination pipeline, condensed water, the triple effect heater 13 with an effect heater 6
Condensed water, quadruple effect heater 18 condensed water, five effect heaters 22 condensed waters and the condensed water one in surface condenser 24
Enter condensation water collection tank 33 with outlet, is sent into sewage disposal system 37 later and carries out sewage treatment.
Tubular heat exchanger always has portion gas and does not condense, there are in tubular heat exchanger, influence to steam when carrying out heat exchange
The entrance of vapour, to guarantee that incondensable gas must be discharged for heat transfer effect, therefore, the utility model one imitates the emptying of heater 6
Mouth, the evacuation port of triple effect heater 13, the evacuation port of quadruple effect heater 18, five effect heaters 22 evacuation port with emptying pipeline
36 connections, emptying pipeline 36 are connected to the air inlet of surface condenser 24, and the evacuation port and drain pump 26 of surface condenser 24 connect
It is logical, incondensable gas is discharged by drain pump 26.
It should be noted that embodiment described above be to the illustrative and not limiting of technical solutions of the utility model, it is affiliated
The equivalent replacement of technical field those of ordinary skill or the other modifications made according to the prior art, as long as unpractical beyond this
The thinking and range of new technique scheme, should be included within interest field required by the utility model.
Claims (5)
1. a kind of energy-saving and environment-friendly DDGS waste heat vapo(u)rization system, it is characterised in that: condensed including condensed water flash tank (1), high temperature
Water pump (2), exhaust gas washing tower (4), washing water pump (3), one effect heater (6), one effect separator (7), two effect heat exchanger (9),
Two effects separator (10), evaporator, surface condenser (24), condensation water collection tank (33) and condensate pump (25), described one
Effect heater (6) Ji Erxiao heat exchanger (9) is tubular heat exchanger, the heat exchanger tube of effect heater (6) and effect separator (7)
Air inlet connection, the discharge port of effect separator (7) is connected to the discharge port of effect heater (6), and two imitate heat exchanger (9)
Heat exchanger tube is connected to the air inlet of two effects separator (10), and the discharge port of two effects separator (10) and two imitates going out for heat exchanger (9)
Material mouth connection；The evaporator includes heat exchanger, heater, evaporative recirculation pump and separator, the heat exchanger and heating
Device is tubular heat exchanger, and discharge port, the discharge port of separator of the heat exchanger are connected to the discharge port of heater, heating
The discharge port of device is connected to by evaporative recirculation pump with the feed inlet of the feed inlet of heat exchanger and heater, the heat exchanger it is dense
Contracting steam (vapor) outlet is connected to the air inlet of the outlet of the reduced vapor of heater and separator；The condensed water flash tank (1)
Water inlet is connected to the condensed water water outlet of pipe bundle drier and the condensed water water outlet of reboiler, the condensed water flash tank
(1) water outlet is connected to by high-temperature condensation water pump (2) with boiler, the one effect heating of gas outlet connection of condensed water flash tank (1)
The air inlet of device (6), the air inlet connection of the heater of the gas outlet connection evaporator of effect separator (7)；The exhaust gas
The exhaust vent of the inlet connection pipe beam drying machine of scrubbing tower (4), the gas outlet connection two of the exhaust gas washing tower (4)
Imitate the air inlet of heat exchanger (9), the air inlet connection of the heat exchanger of the gas outlet connection evaporator of two effects heat exchanger (9), two effects
The gas outlet of separator (10) is connected to the air inlet of the heater of evaporator, and the gas outlet of the heat exchanger of evaporator passes through air inducing
Machine (15) is connected to atmosphere；The discharge port of the heater of the evaporator and the filtrate (liquid of wine lees liquor equipment for separating liquid from solid (44)
The discharge port of connection, the evaporative recirculation pump of the evaporator is connected to by pipeline with the discharge port of two effects heat exchanger (9), two effects
The discharge port of heat exchanger (9) imitates heat exchanger (9) by the discharge port of two effect circulating pump (8) connections, one effect heater (6) and two
The discharge port of feed inlet, effect heater (6) passes through effect circulating pump (5) and concentration liquid storage tank (35) feed inlet and one
Imitate the feed inlet connection of heater (6)；The condensation of the heat exchanger of the condensed water outlet mouth and evaporator of two effects heat exchanger (9)
Discharge outlet passes through pipeline and is connected to the water inlet of exhaust gas washing tower (4), and the water outlet of exhaust gas washing tower (4) passes through washing water pump
(3) connection washing water inlet and condensate water discharging pipeline (34), condensate water discharging pipeline (34) are connected to condensation water collection tank (33),
Condensation water collection tank (33) imitates the cold of heater (6) by condensate pump (25) connection sewage disposal system (37), described one
Condensate discharge outlet, evaporator the condensate water discharging mouth of heater be connected to condensate water discharging pipeline (34).
2. energy-saving and environment-friendly DDGS waste heat vapo(u)rization system according to claim 1, it is characterised in that: the evaporator
Quantity is three, respectively triple effect evaporator (30), four-effect evaporator (31) and quintuple effect evaporator (32), the triple effect evaporation
The gas outlet of two effect separator (10) of air inlet connection of the heater of device (30) and the gas outlet of effect separator (7), triple effect
The gas outlet of two effect heat exchanger (9) of air inlet connection of the heat exchanger of evaporator (30), the separator of triple effect evaporator (30)
Gas outlet is connected to the air inlet of the heater of four-effect evaporator (31), the gas outlet of the separator of the four-effect evaporator (31)
It is connected to the air inlet of the heater of quintuple effect evaporator (32), the gas outlet communicating surface condensation of the separator of quintuple effect evaporator (32)
The air inlet of device (24), the heat exchanger of gas outlet connection four-effect evaporator (31) of the heat exchanger of the triple effect evaporator (30)
Air inlet, the heat exchanger of four-effect evaporator (31) gas outlet connection quintuple effect evaporator (32) heat exchanger air inlet, five
The gas outlet for imitating the heat exchanger of evaporator (32) is connected to atmosphere, the heating of the quintuple effect evaporator (32) by air-introduced machine (15)
The discharge port of device is connected to the filtrate (liquid of wine lees liquor equipment for separating liquid from solid (44), the discharging of the heater of quintuple effect evaporator (32)
Discharge port and five effect evaporations of the mouth by the heater of evaporative recirculation pump connection four-effect evaporator (31) of quintuple effect evaporator (32)
The discharge port of the heat exchanger of device (32) and the feed inlet of heater, the heater of the four-effect evaporator (31) is steamed by quadruple effect
Send out the heat exchange of the discharge port and four-effect evaporator (31) of the heater of evaporative recirculation pump connection triple effect evaporator (30) of device (31)
The feed inlet of device and heater, the discharge port of the heater of the triple effect evaporator (30) pass through the connection two of evaporative recirculation pump
Imitate the feed inlet of the discharge port of heat exchanger (9) and the heater of triple effect evaporator (30) and heat exchanger, the triple effect evaporator
(30) condensate water discharging mouth, the quintuple effect evaporator of the condensate water discharging mouth of heater, the heater of four-effect evaporator (31)
(32) the condensate water discharging mouth of heater is connected to condensate water discharging pipeline (34), and the triple effect evaporator (30) are changed
The discharge outlet of hot device, the discharge outlet of the heat exchanger of four-effect evaporator (31), quintuple effect evaporator (32) heat exchanger discharge outlet it is equal
It is connected to by pipeline with the water inlet of exhaust gas washing tower (4).
3. energy-saving and environment-friendly DDGS waste heat vapo(u)rization system according to claim 2, it is characterised in that: an effect heating
The evacuation port of device (6), the evacuation port of the heater of triple effect evaporator (30), four-effect evaporator (31) heater evacuation port,
The evacuation port of the heater of quintuple effect evaporator (32) is connected to emptying pipeline (36), empties pipeline (36) and surface condenser
(24) air inlet connection, the evacuation port of surface condenser (24) are connected to drain pump (26), the surface condenser (24)
Cooling water inlet be connected to circulating cooling water source, the cooling water outlet of surface condenser (24) is connected to circulating cooling water source, described
The condensation-water drain of surface condenser (24) be connected to condensation water collection tank (33), condensation water collection tank (33) passes through condensate pump
(25) sewage disposal system (37) are connected to.
4. energy-saving and environment-friendly DDGS waste heat vapo(u)rization system according to claim 2, it is characterised in that: the four-effect evaporation
The air inlet of the heater of device (31) is connected to by pipeline with the gas outlet of mash primary flash tank (27), mash primary flash tank
(27) the wine lees liquor source after feed inlet connection distillation, the discharge port of mash primary flash tank (27) are connected to mash two-stage flash tank
(28) discharge port of feed inlet, mash two-stage flash tank (28) is connected to equipment for separating liquid from solid by mash discharging pump (29)
(44), the air inlet of the heater of gas outlet connection quintuple effect evaporator (32) of mash two-stage flash tank (28).
5. energy-saving and environment-friendly DDGS waste heat vapo(u)rization system according to claim 2, it is characterised in that: an effect circulation
An effect control valve (38) is provided on the pipeline that pump (5) is connected to concentration liquid storage tank (35), two effects circulating pump (8) are heated with an effect
Two effect control valves (39), the evaporative recirculation pump and two of triple effect evaporator (30) are provided on the pipeline of the discharge port connection of device (6)
It is provided with triple effect control valve (40) on the pipeline of the discharge port connection of effect heat exchanger (9), the vaporization cycle of four-effect evaporator (31)
It pumps and is provided with quadruple effect control valve (41), quintuple effect evaporator on the pipeline being connected to the discharge port of the heater of triple effect evaporator (30)
(32) five effect control valves are provided on the pipeline that evaporative recirculation pump is connected to the discharge port of the heater of four-effect evaporator (31)
(42), the pipe that the discharge port of the heater of quintuple effect evaporator (32) is connected to the filtrate (liquid of wine lees liquor equipment for separating liquid from solid (44)
Road is provided with inlet control valve (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822198693.6U CN209333222U (en) | 2018-12-26 | 2018-12-26 | Energy-saving and environment-friendly DDGS waste heat vapo(u)rization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822198693.6U CN209333222U (en) | 2018-12-26 | 2018-12-26 | Energy-saving and environment-friendly DDGS waste heat vapo(u)rization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209333222U true CN209333222U (en) | 2019-09-03 |
Family
ID=67759139
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822198693.6U Withdrawn - After Issue CN209333222U (en) | 2018-12-26 | 2018-12-26 | Energy-saving and environment-friendly DDGS waste heat vapo(u)rization system |
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| CN (1) | CN209333222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432808A (en) * | 2018-12-26 | 2019-03-08 | 郑州博大浓缩干燥设备有限公司 | Energy-saving and environment-friendly DDGS waste heat vapo(u)rization system |
-
2018
- 2018-12-26 CN CN201822198693.6U patent/CN209333222U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432808A (en) * | 2018-12-26 | 2019-03-08 | 郑州博大浓缩干燥设备有限公司 | Energy-saving and environment-friendly DDGS waste heat vapo(u)rization system |
| CN109432808B (en) * | 2018-12-26 | 2024-05-28 | 郑州博大浓缩干燥设备有限公司 | Energy-saving and environment-friendly DDGS waste heat evaporation system |
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