CN201343511Y - Waste heat utilization device in cornstarch production - Google Patents
Waste heat utilization device in cornstarch production Download PDFInfo
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- CN201343511Y CN201343511Y CNU2009200220044U CN200920022004U CN201343511Y CN 201343511 Y CN201343511 Y CN 201343511Y CN U2009200220044 U CNU2009200220044 U CN U2009200220044U CN 200920022004 U CN200920022004 U CN 200920022004U CN 201343511 Y CN201343511 Y CN 201343511Y
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- heating chamber
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Abstract
The utility model belongs to the technical field of cornstarch production applying the wet process, in particular to a dry waste heat utilization device in the production process of cornstarch. The utility model adopts the technical scheme that the waste heat utilization device in the production of cornstarch comprises a four-effect evaporator, a washing tower, a flash evaporator, a corn steep liquor pot and a corn soaking liquid pot, wherein the four-effect evaporator comprises a one-effect heading chamber, a one-effect separator, a double-effect heating chamber, a double-effect separator, a three-effect heating chamber, a three-effect separator, a four-effect heating chamber, a four-effect separator and a condenser, which are connected through pipelines. Only the one-effect heating chamber is supplied with fresh steam, the double-effect evaporator and the three-effective evaporator can be respectively heated through heat energy of tube bank secondary waste gas, the tube bank and air flow dry condensate water, and the four-effect heating chamber is heated by waste heat of the prior three effects and secondary steam. The waste heat utilization device can reduce the use quantity of fresh steam, and is a measure which can not be neglected for the energy conservation, consumption reduction and benefit increase in enterprises.
Description
Technical field
The utility model belongs to wet production W-Gum technical field, relates in particular to the equipment that utilizes of dry used heat in a kind of W-Gum production process.
Background technology
Starch is the basic material of foodstuffs industry, is mainly used in industries such as Dian Fentang and alcohol, maltodextrin, monosodium glutamate, system are moulded, papermaking, pharmacy, fermentation.4,500 ten thousand tons of whole world starch yields, starch more than 90% is all from corn, but with corn produce starch have raw material abundance, technical maturity, powder rate height, production cost low, be not subject to seasonal restrictions advantage such as anniversary production, W-Gum industry has developed into global new industry, the wet-milling industrial development of corn is rapid, the seed each several part be can separate effectively, highly purified starch and byproduct produced.The working method of wet production W-Gum is: soak, corase grind, correct grinding (to plumule extract the separation of fiber), the operations such as drying of proteic separation, starch washing and starch, obtain highly purified starch product.Wherein need in triple-effect evaporator, the corn steep liquor evaporation concentration be become to contain the commodity corn slurry of dry-matter 40%, in three heating chambers, all to feed live steam, then need to consume a large amount of steam and heat, the today being becoming tight energy day, bring very big economical load to enterprise; And in the W-Gum course of processing with isolated plumule and fiber through the pipe bundle drier drying, the tube bank secondary waste gas that produces when dry directly enters atmosphere by blower fan after by tornado dust collector, the tube bank water of condensation that is produced directly discharged or lower the temperature after do the starch washing water and use, in the drying process of starch, the water of condensation that starch air stream drying scatterer produces directly discharged or lower the temperature after do the starch washing water and use, wherein restrain secondary waste gas 110-90 ℃ high temperature is arranged, the temperature of tube bank water of condensation has about 130 ℃, the temperature of air stream drying water of condensation has about 130 ℃, these a large amount of used heat are not utilized, and cause great waste.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, and the device and method that provides used heat in a kind of W-Gum production process to utilize, utilize pipe bundle drier tube bank secondary waste gas that produces and the heat of restraining water of condensation to the corn steep liquor evaporation concentration, can reduce 2/3 of vaporizer primary steam consumption, save a large amount of energy, increased the economic benefit of manufacturing enterprise.
For solving the problems of the technologies described above, the technical solution of the utility model is: the used heat in the W-Gum production utilizes equipment, comprise quadruple effect evaporator, washing tower, flasher, corn steep liquor jar and corn soaking flow container, described quadruple effect evaporator comprises by one of pipe connection imitates heating chamber, one imitates separator, two imitate heating chamber, two imitate separator, the triple effect heating chamber, the triple effect separator, the quadruple effect heating chamber, quadruple effect separator and condenser, described one imitates heating chamber and live steam pipe connection, described washing tower bottom is connected with tube bank secondary exhaust pipeline, washing tower top is connected with the triple effect heating chamber by tube bank secondary waste gas institute producing steam pipeline, the bottom of described flasher and tube bank, the air stream drying condensing water conduit connects, the top of flasher is by tube bank, condensation water vapor pipeline and two is imitated heating chamber and is connected, described one imitates separator, two tops of imitating separator and triple effect separator have the secondary steam pipeline to be connected with the steam-in of quadruple effect heating chamber respectively, and described one imitates heating chamber has the used heat pipeline to be connected with the steam-in of quadruple effect heating chamber respectively with two tops of imitating heating chamber.The used heat pipe on described quadruple effect well heater top is connected with condenser respectively with the secondary steam pipe on quadruple effect separator top; Quadruple effect heating chamber, quadruple effect separator, triple effect heating chamber, triple effect separator, two are imitated heating chamber, two effect separators, imitate heating chamber and a bottom of imitating separator is connected successively by material pipe, the corn soaking flow container is connected with the quadruple effect well heater by material pipe, and the corn steep liquor jar is imitated separator by material pipe and and is connected; One bottoms of imitating heating chamber, two effect heating chambers, triple effect heating chamber, quadruple effect heating chamber and condenser are connected by condensing water conduit respectively, and the other end of condensing water conduit stretches out.
Live steam feeding one effect heating chamber adds thermal material in the utility model, heated vapour-liquid compound enters an effect separator and carries out vapor-liquid separation, the secondary steam of separating enters the quadruple effect heating chamber, isolated used heat enters the quadruple effect heating chamber from an effect heating chamber, tube bank, the air stream drying water of condensation enters in the flasher, feed two effect heating chambers after under negative-pressure vacuum, changing into steam and add thermal material, heated vapour-liquid compound enters two effect separators and carries out vapor-liquid separation, the secondary steam of separating enters the quadruple effect heating chamber, imitates isolated used heat feeding quadruple effect heating chamber the heating chamber from two; Tube bank secondary waste gas enters washing in the washing tower and removes and feed the triple effect heating chamber behind the dust in the tube bank secondary waste gas and add thermal material, isolated used heat is effluxed by blower fan from the triple effect heating chamber, the vapour-liquid compound that comes out from the triple effect heating chamber enters the triple effect separator and carries out vapor-liquid separation, and the secondary steam of separating enters the quadruple effect heating chamber; Used heat in the quadruple effect heating chamber and the isolated secondary steam of quadruple effect separator enter in the condenser, and the water of condensation that is produced is effluxed; The water of condensation that one effect heating chamber, two effect heating chambers, triple effect heating chamber and quadruple effect heating chamber are produced is discharged from.
Equipment of the present utility model, have only one to imitate heating chamber feeding live steam, two effect heating chambers and triple effect heating chamber heat with the heat of restraining secondary waste gas and tube bank, air stream drying water of condensation respectively, and the quadruple effect heating chamber then heats with the used heat and the secondary steam of preceding triple effect.The material trend: corn steep liquor is introduced into the quadruple effect heating chamber, imitate heating chamber, two along quadruple effect heating chamber, quadruple effect separator, triple effect heating chamber, triple effect separator, two successively then and imitate separator, an effect heating chamber, an effect separator, last discharging is to the corn steep liquor jar.
Technological operation index of the present utility model:
| Temperature | Vacuum tightness | |
| One imitates separator | 80--85℃ | -(0.08-0.09)MPA |
| Two imitate separator | 58--60℃ | -(0.09-0.095)MPA |
| The triple effect separator | 58--60℃ | -(0.095-0.099)MPA |
| The quadruple effect separator | 45--50℃ | -(0.1)MPA |
Imitate corn steep liquor concentration and the control that separator comes out from one at last: with Baume instrumentation 20-22Be`, analyzing and testing concentration 41--43% (butt).
The beneficial effects of the utility model are: owing to utilize tube bank secondary waste gas, the heat of restraining dry water of condensation and air stream drying steam condensate utilizes equipment and the method evaporation concentration to corn steep liquor by used heat of the present utility model, can reduce the consumption of live steam, draw according to practical application, adopt above-mentioned used heat can reduce 2/3 of live steam consumption, be that common evaporator evaporation 1t water live steam consumption is 300kg, used heat so of the present utility model utilizes the live steam consumption of equipment to be 100kg, by this estimation, produce the factory of 100,000 tons of starch per year, can save nearly 1.3 ten thousand tons of live steam every year, the steam unit price calculates by 140 yuan/t, can economize on the use of funds every year 1820000 yuan, in view of this, utilizing used heat is the measure of can not ignore that the industry energy conservation consumption reduction increases benefit.
Description of drawings
Fig. 1 is a structural representation of the present utility model,
Among the figure: the 1-tube bank, condensation water vapor pipeline, 2-tube bank secondary waste gas institute producing steam pipeline, 3-live steam pipeline, 4-one is imitated heating chamber, and 5-one is imitated separator, and 6-two is imitated heating chamber, 7-used heat pipeline, 8-two is imitated separator, 9-triple effect heating chamber, 10-secondary steam pipeline, 11-triple effect separator, 12-quadruple effect heating chamber, 13-material pipe, 14-corn soaking flow container, 15-quadruple effect separator, the 16-condenser, 17-condensing water conduit, 18-corn steep liquor jar, the 19-tube bank, the air stream drying condensing water conduit, the 20-flasher, 21-tube bank secondary exhaust pipeline, 22-washing tower.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Embodiment
According to shown in Figure 1, used heat in the W-Gum production utilizes equipment, comprise quadruple effect evaporator, washing tower 22, flasher 20, corn steep liquor jar 18 and corn soaking flow container 14, described quadruple effect evaporator comprises by one of pipe connection imitates heating chamber 4, one imitates separator 5, two imitate heating chamber 6, two imitate separator 8, triple effect heating chamber 9, triple effect separator 11, quadruple effect heating chamber 12, quadruple effect separator 15 and condenser 16, described one imitates heating chamber 4 is connected with live steam pipeline 3, described washing tower 22 bottoms are connected with tube bank secondary exhaust pipeline 21, washing tower 22 tops are connected with triple effect heating chamber 9 by tube bank secondary waste gas institute producing steam pipeline 2, the bottom of described flasher 20 and tube bank, air stream drying condensing water conduit 19 connects, the top of flasher 20 is by tube bank, condensation water vapor pipeline 1 and two is imitated heating chamber 6 and is connected, described one imitates separator 5, two tops of imitating separator 8 and triple effect separator 11 have secondary steam pipeline 10 to be connected with the steam-in of quadruple effect heating chamber 12 respectively, and described one imitates heating chamber 4 has used heat pipeline 7 to be connected with the steam-in of quadruple effect heating chamber 12 respectively with two tops of imitating heating chamber 6.The used heat pipeline 7 on described quadruple effect heating chamber 12 tops is connected with condenser 16 respectively with the secondary steam pipeline 10 on quadruple effect separator 15 tops; Quadruple effect heating chamber 12, quadruple effect separator 15, triple effect heating chamber 9, triple effect separator 11, two are imitated heating chamber 6, two effect separators 8, imitate heating chamber 4 and a bottom of imitating separator 5 is connected successively by material pipe 13, corn soaking flow container 14 is connected with the quadruple effect well heater by material pipe 13, and corn steep liquor jar 18 is imitated separator 5 by material pipe 13 and and is connected; One bottoms of imitating heating chamber 4, two effect heating chambers 6, triple effect heating chamber 9, quadruple effect heating chamber 12 and condenser 16 are connected by condensing water conduit 17 respectively, and the other end of condensing water conduit 17 stretches out.
Claims (4)
1, used heat in the W-Gum production utilizes equipment, it is characterized in that: comprise quadruple effect evaporator, washing tower, flasher, corn steep liquor jar and corn soaking flow container, described quadruple effect evaporator comprises by one of pipe connection imitates heating chamber, one imitates separator, two imitate heating chamber, two imitate separator, the triple effect heating chamber, the triple effect separator, the quadruple effect heating chamber, quadruple effect separator and condenser, described one imitates heating chamber and live steam pipe connection, described washing tower bottom is connected with tube bank secondary exhaust pipeline, washing tower top is connected with the triple effect heating chamber by tube bank secondary waste gas institute producing steam pipeline, the bottom of described flasher and tube bank, the air stream drying condensing water conduit connects, the top of flasher is by tube bank, condensation water vapor pipeline and two is imitated heating chamber and is connected, described one imitates separator, two tops of imitating separator and triple effect separator have the secondary steam pipeline to be connected with the steam-in of quadruple effect heating chamber respectively, and described one imitates heating chamber has the used heat pipeline to be connected with the steam-in of quadruple effect heating chamber respectively with two tops of imitating heating chamber.
2, the used heat in the W-Gum production according to claim 1 utilizes equipment, it is characterized in that: the used heat pipe on described quadruple effect well heater top is connected with condenser respectively with the secondary steam pipe on quadruple effect separator top.
3, the used heat in the W-Gum production according to claim 1 utilizes equipment, it is characterized in that: quadruple effect heating chamber, quadruple effect separator, triple effect heating chamber, triple effect separator, two are imitated heating chamber, two effect separators, imitate heating chamber and a bottom of imitating separator is connected successively by material pipe, the corn soaking flow container is connected with the quadruple effect well heater by material pipe, and the corn steep liquor jar is imitated separator by material pipe and and is connected.
4, the used heat in the W-Gum production according to claim 1 utilizes equipment, it is characterized in that: bottoms of imitating heating chamber, two effect heating chambers, triple effect heating chamber, quadruple effect heating chamber and condenser are connected by condensing water conduit respectively, and the other end of condensing water conduit stretches out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200220044U CN201343511Y (en) | 2009-02-18 | 2009-02-18 | Waste heat utilization device in cornstarch production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200220044U CN201343511Y (en) | 2009-02-18 | 2009-02-18 | Waste heat utilization device in cornstarch production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201343511Y true CN201343511Y (en) | 2009-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200220044U Expired - Lifetime CN201343511Y (en) | 2009-02-18 | 2009-02-18 | Waste heat utilization device in cornstarch production |
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|---|---|
| CN (1) | CN201343511Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103724438A (en) * | 2013-12-10 | 2014-04-16 | 江苏纵横浓缩干燥设备有限公司 | Waste heat utilization type starch air current drying machine |
| CN111359240A (en) * | 2020-03-30 | 2020-07-03 | 山东凯斯达机械制造有限公司 | Tubular falling film evaporator, concentration device and using method and process of concentration device |
| CN111375218A (en) * | 2020-03-30 | 2020-07-07 | 山东凯斯达机械制造有限公司 | Molasses concentrating device and using method and process thereof |
-
2009
- 2009-02-18 CN CNU2009200220044U patent/CN201343511Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103724438A (en) * | 2013-12-10 | 2014-04-16 | 江苏纵横浓缩干燥设备有限公司 | Waste heat utilization type starch air current drying machine |
| CN103724438B (en) * | 2013-12-10 | 2016-08-31 | 江苏纵横浓缩干燥设备有限公司 | A kind of heat utilization type starch pneumatic drier |
| CN111359240A (en) * | 2020-03-30 | 2020-07-03 | 山东凯斯达机械制造有限公司 | Tubular falling film evaporator, concentration device and using method and process of concentration device |
| CN111375218A (en) * | 2020-03-30 | 2020-07-07 | 山东凯斯达机械制造有限公司 | Molasses concentrating device and using method and process thereof |
| CN111359240B (en) * | 2020-03-30 | 2021-08-20 | 山东凯斯达机械制造有限公司 | Tubular falling film evaporator, concentration device and using method and process of concentration device |
| CN111375218B (en) * | 2020-03-30 | 2021-09-03 | 山东凯斯达机械制造有限公司 | Molasses concentrating device and using method and process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091111 Effective date of abandoning: 20090218 |