CN206512120U - Cornstarch wet production system - Google Patents

Abstract

The utility model discloses a kind of cornstarch wet production system, it includes infusion system, corn steep liquor recovery system, crushing system, plumule processing system, fiber treatment system, starch processing system, seitan processing system, and starch processing system includes the thick newborn tank of starch, slightly starch desander, newborn filter, thick newborn seperator, thick breast underflow tank, the newborn tank of essence, the newborn filter of essence, ten grades of cyclones, scraper gravity tank, scraper centrifugal machine, overflow tank, slash flow container, horizontal screw centrifuge, protein salvage liquid storage tank, protein salvage liquid desanders.Advantage：1st, relieving haperacidity efficiency and sulphur utilization rate are improved；2nd, recycled by skimming liquid to scraper centrifugal machine, improve the utilization rate of raw material, saved daily about 150 tons or so and used water；3rd, the used heat of heat-exchanger rig is effectively make use of, steam consumption is saved, reaches energy-saving purpose.

Description

Cornstarch wet production system

Technical field：

The utility model is related to Maize Production technical field, specifically designs a kind of cornstarch wet production system.

Background technology：

Cornstarch industry has evolved into global new industry, and the wet milling industry of corn is quickly grown, Neng Gouyou Effect ground separation seed each several part, produces the starch and byproduct of high-purity；The processing method of wet production cornstarch is：Leaching Bubble, corase grind, fine grinding (to plumule extract fiber separation), the separation of albumen, the process such as the drying of starch washing and starch, obtain To the starch product of high-purity.Existing starch wet production system generally comprises infusion system, corn steep liquor recovery system, broken system System, plumule processing system, fiber treatment system, starch processing system, seven subsystems of seitan processing system, infusion system is logical The sulfurous aqueous acid for crossing adverse current soaks to corn, until can completely be extruded by hand squeeze crack, plumule with corn particle；Leaching After bubble terminates, the soak in steeping tank enters corn steep liquor recovery system, and the corn steep liquor in soak is reclaimed, utilized, Corn particle after immersion then enters crushing system；Crushing system by corn particle carry out it is broken apart go out plumule, fiber and shallow lake Powder breast, the plumule isolated enters plumule processing system, and the starch milk isolated enters fiber treatment system, the starch isolated Into starch processing system, and starch processing system is then further by seitan separating treatment, and the seitan isolated enters at seitan Reason system；But, found in actual production process, the system of existing wet production cornstarch has the following disadvantages：1st, exist In infusion system, substantial amounts of sulfur dioxide is carried in sulfur dioxide absorbing tower tail gas, is directly discharged in air that ring can be polluted Border, while the wasting of resources can be caused, increases production cost；2nd, in starch processing system, the slash liquid exported by scraper centrifugal machine In carry substantial amounts of starch, if directly discharge can cause the waste of raw material, increase water consumption；3rd, the shallow lake in starch processing system In powder drying unit, radiator, come heating cold air, is dried in airduct by internal steam after cold air heating to starch, with Enter the wet starch mixing that starch dries airduct through loudspeaker, moment obtains drying, and after steam is produced by heating cold air Then condenser is passed directly into, steam used heat is not utilized, and causes greatly waste.

Utility model content：

The purpose of this utility model is to provide a kind of cornstarch that can effectively reduce energy consumption, improve energy utilization rate Wet production system.

The utility model is implemented by following technical scheme：Cornstarch wet production system, it includes infusion system, corn steep liquor Recovery system, crushing system, plumule processing system, fiber treatment system, starch processing system, seitan processing system, the leaching The steeping tank group liquid outlet of bubble system is connected with dilute corn steep liquor reservoir inlet of the corn steep liquor recovery system, the steeping tank The discharging opening of group is connected with the stone removing tank for corns charging aperture of the crushing system, and the one-level of the crushing system crushes cyclone top Flow export is connected with the one-level plumule pressure curved sieve charging aperture of the plumule processing system, tank after the pin mill mill of the crushing system Discharging opening is connected with the first order pressure curved sieve charging aperture of six grades of fibre pres song sieve of the fiber treatment system, described broken The warehouse pressure curved sieve top flow export of system is connected with the thick newborn tank charging aperture of the starch of the starch processing system, at the starch Overfall of each thick newborn underflow tank of reason system with the air flotation slot of the seitan processing system is connected；The starch processing system System include the thick newborn tank of the starch, starch desander, thick newborn filter, thick newborn seperator, the thick newborn underflow tank, essence breast tank, Smart breast filter, ten grades of cyclones, scraper gravity tank, scraper centrifugal machine, overflow tank, slash flow container, horizontal screw centrifuge, protein salvages Liquid storage tank, protein salvage liquid desander, the discharging opening of the thick newborn tank of the starch are connected with the inlet of the starch desander, institute The liquid outlet for stating starch desander is connected with a thick newborn filter inlet respectively by pipeline, every thick newborn mistake Inlet of the liquid outlet of filter respectively with a thick newborn seperator is connected, the underflow outlet of every thick newborn seperator Connected respectively with a thick newborn underflow tank inlet, the discharging opening of every thick newborn underflow tank connects with the newborn tank of the essence Logical, the charging aperture of the liquid outlet of every thick newborn underflow tank with the thick newborn tank of the starch connect, and the essence breast tank goes out liquid Mouth is connected by the newborn filter of the essence with the inlet of the First cyclone of described ten grades of cyclones, described ten grades of cyclones The liquid outlet of the tenth cyclone connected with the inlet of the scraper gravity tank, the overfall of the scraper gravity tank and institute The inlet connection of overflow tank is stated, the liquid outlet of the overflow tank is connected with the inlet of the scraper gravity tank, the scraper The liquid outlet of gravity tank is connected with the inlet of the scraper centrifugal machine, the liquid outlet of the scraper centrifugal machine and the slash flow container Inlet connection, it is described skim flow container liquid outlet connected with the inlet of the horizontal screw centrifuge, the horizontal screw centrifuge Discharging opening is connected with the inlet of the overflow tank, the liquid outlet of the horizontal screw centrifuge and the protein salvage liquid storage tank feed liquor Mouth connection, the protein salvage liquid storage tank liquid outlet is connected with the protein salvage liquid desander inlet, the protein salvage Liquid desander liquid outlet is connected with the inlet of the tenth cyclone of described ten grades of cyclones；The discharging of the scraper centrifugal machine Mouth is connected with the starch charging screw feed en-trance of starch drying unit；

The starch drying unit include two heat-exchanger rigs, steam drainer, starch dry airduct, it is loudspeaker, described Starch charging spiral, level Four starch cyclone separator, starch pneumatic conveying pipe, starch cyclone, starch storage tank, every heat exchange dress Putting includes preheating unit and heating unit that airduct connects setting, the inlet of the preheating unit and the heating unit Distilled water outlet is connected, and the liquid outlet of the preheating unit is connected with the inlet of the steam drainer, the heating unit Wind tube outlet and the starch dry the air inlet of airduct and connect, the starch dries the charging aperture and the loudspeaker of airduct Discharging opening connection, the charging aperture of the loudspeaker and the starch charging spiral discharging mouthful connects, the starch drying airduct Discharge nozzle connected with the charging aperture of the level Four starch cyclone separator, the discharging opening of the level Four starch cyclone separator leads to The charging aperture that the starch pneumatic conveying pipe is crossed with the starch cyclone is connected, discharging opening and the starch of the starch cyclone Reservoir inlet is connected.

Further, the infusion system include sulphur-furnace, sulfur dioxide absorbing tower, relieving haperacidity clean water tank, sulfurous acid storage tank, Sulfurous acid cyclone, relieving haperacidity clear water injector, the steeping tank group, the gas outlet of the sulphur-furnace absorb with the sulfur dioxide Tower air inlet is connected, and the gas outlet of the sulfur dioxide absorbing tower passes through sulfur dioxide air-introduced machine and the sulfurous acid cyclone Air inlet is connected, and the liquid outlet of the sulfurous acid cyclone at the top of the relieving haperacidity clean water tank with connecting, the sulfurous acid cyclone Gas outlet connected with the air inlet of the relieving haperacidity clear water injector, water inlet, the dioxy of the relieving haperacidity clear water injector The inlet for changing sulphur absorption tower is connected by relieving haperacidity clarified water pump with the relieving haperacidity clean water tank delivery port, and the sulfur dioxide absorbs The liquid outlet of tower is connected with the sulfurous acid storage tank inlet, and the sulfurous acid tank top is entered with the sulfur dioxide air-introduced machine Gas port is connected, and the liquid outlet of the sulfurous acid storage tank is connected by sulfurous acid pump with the inlet of the steeping tank group.

Advantage of the present utility model：1st, the tail gas of sulfur dioxide absorbing tower discharge and the sulfur dioxide of sulfurous acid storage tank volatilization Gas is directly entered relieving haperacidity clean water tank after steam-water separation and participates in relieving haperacidity, on the one hand improves relieving haperacidity efficiency and sulphur utilization rate, On the other hand, sulfur dioxide can be avoided to be directly discharged into air, prevents environmental pollution；2nd, entered by skimming liquid to scraper centrifugal machine Row is recycled, and on the one hand improves the utilization rate of raw material, has on the other hand saved about 150 tons or so daily of use water, reduction Wastewater treatment is born, and improves the utilization rate of water resource, is Reducing Cost in Enterprises, increases benefit；3rd, exported using heating unit The preheating of condensed water is preheated to the air for entering heating unit, effectively make use of the used heat of heat-exchanger rig, saves steam Consumption, reaches energy-saving purpose.

Brief description of the drawings：

Fig. 1 is the utility model overall structure diagram.

Fig. 2 is infusion system structural representation.

Fig. 3 is starch processing system structural representation.

Fig. 4 is starch drying unit structural representation.

Infusion system 1, sulphur-furnace 11, sulfur dioxide absorbing tower 12, relieving haperacidity clean water tank 13, sulfurous acid storage tank 14, sulfurous acid Cyclone 15, relieving haperacidity clear water injector 16, steeping tank group 17, sulfur dioxide air-introduced machine 18, corn steep liquor recovery system 2, broken system The thick newborn tank 61 of system 3, plumule processing system 4, fiber treatment system 5, starch processing system 6, starch, starch desander 62, thick breast Filter 63, thick newborn seperator 64, thick newborn underflow tank 65, the newborn tank 66 of essence, the newborn filter 67 of essence, ten grades of cyclones 68, scrape knife up Position tank 69, scraper centrifugal machine 610, overflow tank 611, slash flow container 612, horizontal screw centrifuge 613, protein salvage liquid storage tank 614, albumen Recovered liquid desander 615, starch drying unit 8, heat-exchanger rig 81, steam drainer 82, starch dry airduct 83, loudspeaker 84th, starch charging spiral 85, level Four starch cyclone separator 86, starch pneumatic conveying pipe 87, starch cyclone 88, starch storage tank 89, Preheating unit 811, heating unit 812.

Embodiment：

As shown in figure 1, cornstarch wet production system, it includes infusion system 1, corn steep liquor recovery system 2, crushing system 3rd, plumule processing system 4, fiber treatment system 5, starch processing system 6, seitan processing system 7, the steeping tank group of infusion system 1 17 liquid outlets are connected with dilute corn steep liquor reservoir inlet of corn steep liquor recovery system 2, the discharging opening of steeping tank group 17 and broken system The stone removing tank for corns charging aperture connection of system 3, the one-level of crushing system 3 crushes cyclone top flow export and plumule processing system 4 One-level plumule pressure curved sieve charging aperture is connected, tank discharging opening and six grades of fibres of fiber treatment system 5 after the pin mill mill of crushing system 3 Tie up at the first order pressure curved sieve charging aperture connection of pressure curved sieve, the warehouse pressure curved sieve top flow export and starch of crushing system 3 The thick newborn charging aperture of tank 61 connection of the starch of reason system 6, each thick newborn underflow tank 65 of starch processing system 6 with seitan processing system The overfall connection of the air flotation slot of system 7；

As shown in Fig. 2 infusion system 1 includes sulphur-furnace 11, sulfur dioxide absorbing tower 12, relieving haperacidity clean water tank 13, sulfurous acid Storage tank 14, sulfurous acid cyclone 15, relieving haperacidity clear water injector 16, steeping tank group 17, the gas outlet of sulphur-furnace 11 and sulfur dioxide The air inlet connection of absorption tower 12, the gas outlet of sulfur dioxide absorbing tower 12 passes through sulfur dioxide air-introduced machine 18 and sulfurous acid cyclone 15 air inlet connection, the liquid outlet of sulfurous acid cyclone 15 is connected with the top of relieving haperacidity clean water tank 13, sulfurous acid cyclone 15 Gas outlet is connected with the air inlet of relieving haperacidity clear water injector 16, water inlet, the sulfur dioxide absorbing tower of relieving haperacidity clear water injector 16 12 inlet is connected by relieving haperacidity clarified water pump 19 with the delivery port of relieving haperacidity clean water tank 13, and relieving haperacidity clarified water pump 19 can be by relieving haperacidity clear water Clear water in tank 13 is pumped into relieving haperacidity clear water injector 16 and sulfur dioxide absorbing tower 12 respectively, sulfur dioxide absorbing tower 12 Liquid outlet is connected with the inlet of sulfurous acid storage tank 14, and the top of sulfurous acid storage tank 14 is connected with the air inlet of sulfur dioxide air-introduced machine 18, The liquid outlet of sulfurous acid storage tank 14 is connected by sulfurous acid pump 110 with the inlet of steeping tank group 17, and sulfurous acid pump 110 can be by Sulfurous acid in sulfurous acid storage tank 14 is pumped into steeping tank group 17；The sulfurous acid flue gas that sulphur-furnace 11 is produced and relieving haperacidity clarified water pump 19 clear water being pumped into are formed after being mixed in sulfur dioxide absorbing tower 12 enters sulfurous acid storage tank 14 after sulfurous acid liquid, deposited Storage, is then pumped into steeping tank group 17 by the sulfurous acid in sulfurous acid storage tank 14 by sulfurous acid pump 110 and provides soak；Herein During, the gas that the tail gas that sulfur dioxide absorbing tower 12 is discharged volatilizees with sulfurous acid storage tank 14 is made in sulfur dioxide air-introduced machine 18 With in lower entrance sulfurous acid cyclone 15, the liquid isolated through sulfurous acid cyclone 15 enters relieving haperacidity clean water tank 13, Jin Erjin Enter sulfur dioxide absorbing tower 12, the clear water that the gas isolated through sulfurous acid cyclone 15 sprays with relieving haperacidity clear water injector 16 enters Further the sulfur dioxide in gas is absorbed into relieving haperacidity clean water tank 13 after the mixing of one step；Sulfur dioxide absorbing tower The sulfur dioxide gas that the tail gas of 12 discharges volatilizees with sulfurous acid storage tank 14 is directly entered relieving haperacidity clean water tank 13 after steam-water separation Relieving haperacidity is participated in, relieving haperacidity efficiency and sulphur utilization rate is on the one hand improved, on the other hand, sulfur dioxide can be avoided to be directly discharged into greatly In gas, prevent environmental pollution；

As shown in figure 3, starch processing system 6 include the thick newborn tank 61 of starch, it is starch desander 62, thick newborn filter 63, thick Newborn seperator 64, thick newborn underflow tank 65, the newborn tank 66 of essence, the newborn filter 67 of essence, ten grades of cyclones 68, scraper gravity tank 69, scrapers Centrifuge 610, overflow tank 611, slash flow container 612, horizontal screw centrifuge 613, protein salvage liquid storage tank 614, protein salvage liquid desanding Device 615, the discharging opening of the thick newborn tank 61 of starch is connected with the inlet of starch desander 62, and the liquid outlet of starch desander 62 passes through Pipeline is connected with a thick breast inlet of filter 63 respectively, and the liquid outlet of every thick newborn filter 63 divides with a thick breast respectively Disembark 64 inlet connection, the underflow outlet of every thick newborn seperator 64 connects with a thick newborn inlet of underflow tank 65 respectively Logical, the discharging opening of every thick newborn underflow tank 65 is connected with smart newborn tank 66, and the liquid outlet of every thick newborn underflow tank 65 is and starch The charging aperture connection of thick breast tank 61, the liquid outlet of essence breast tank 66 is revolved by the First of smart newborn filter 67 and ten grades of cyclones 68 The inlet connection of device is flowed, the liquid outlet of the tenth cyclone of ten grades of cyclones 68 connects with the inlet of scraper gravity tank 69 Logical, the overfall of scraper gravity tank 69 is connected with the inlet of overflow tank 611, liquid outlet and the scraper gravity tank of overflow tank 611 69 inlet connection, the liquid outlet of scraper gravity tank 69 is connected with the inlet of scraper centrifugal machine 610, scraper centrifugal machine 610 Liquid outlet with skim flow container 612 inlet connect, slash flow container 612 liquid outlet connected with the inlet of horizontal screw centrifuge 613, The discharging opening of horizontal screw centrifuge 613 is connected with the inlet of overflow tank 611, the liquid outlet and protein salvage of horizontal screw centrifuge 613 The inlet of liquid storage tank 614 is connected, and the liquid outlet of protein salvage liquid storage tank 614 is connected with the inlet of protein salvage liquid desander 615, egg The white liquid outlet of recovered liquid desander 615 is connected with the inlet of the tenth cyclone of ten grades of cyclones 68；Scraper centrifugal machine 610 The starch charging charging aperture of spiral 85 of discharging opening and starch drying unit 8 connect；Crude starch in the thick newborn tank 61 of starch is through forming sediment Powder desander 62, thick newborn filter 63, thick newborn seperator 64 isolate seitan after handling and obtain pure starch milk, through ten grades of rotations after Flow device 68 and carry out countercurrent washing, reduce the moisture content of starch milk, the starch milk isolated by ten grades of cyclones 68, which enters, scrapes knife up Position tank 69 is cached, and the starch milk gone out by the overflow of scraper gravity tank 69 is again introduced into scraper gravity tank after entering overflow tank 611 69, washing separation is carried out into scraper centrifugal machine 610 by the starch milk discharged by the bottom of scraper gravity tank 69, that isolates is dense Starch milk enters starch drying unit 8, and the slash liquid isolated, which enters, skims flow container 612, subsequently enters in horizontal screw centrifuge 613, crouches After screw centrifuge 613 is completely separated starch and water by centrifugal force, starch returned to ten grades of cyclones 68 washed so as to Recycle, and water then returns to overflow tank 611 and participates in starch washing again, is reclaimed by skimming liquid to scraper centrifugal machine 610 Utilize, on the one hand improve the utilization rate of raw material, on the other hand saved at about 150 tons or so daily of use water, reduction waste water Reason burden, improves the utilization rate of water resource, is Reducing Cost in Enterprises, increases benefit；

As shown in figure 4, starch drying unit 8, which includes two heat-exchanger rigs 81, steam drainer 82, starch, dries airduct 83rd, loudspeaker 84, starch charging spiral 85, level Four starch cyclone separator 86, starch pneumatic conveying pipe 87, starch cyclone 88, shallow lake Powder storage tank 89, every heat-exchanger rig 81 includes airduct and connects the preheating unit 811 and heating unit 812 set, preheating unit 811 inlet is connected with the distilled water outlet of heating unit 812, liquid outlet and the steam drainer 82 of preheating unit 811 Air inlet is connected, and the wind tube outlet of heating unit 812 is connected with the air inlet that starch dries airduct 83, and starch dries airduct 83 Charging aperture is connected with the discharging opening of loudspeaker 84, and the charging aperture of loudspeaker 84 is connected with the starch charging discharging opening of spiral 85, starch The discharge nozzle for drying airduct 83 is connected with the charging aperture of level Four starch cyclone separator 86, and level Four starch cyclone separator 86 goes out Material mouth is connected by starch pneumatic conveying pipe 87 with the charging aperture of starch cyclone 88, discharging opening and the starch storage tank of starch cyclone 88 89 charging apertures are connected；Wet starch material malleation input starch is dried into airduct 83 using starch charging spiral 85 and loudspeaker 84 It is interior, at the same time, cold air through heat-exchanger rig 81 heat after, using blower negative pressure enter starch dry airduct 83 in through rising Device 84 enters starch and dries wet starch mixing in airduct 83, and wet starch material wink-dry is into granular, dry granular Starch is discharged into starch storage tank 89 through level Four starch cyclone separator 86, starch pneumatic conveying pipe 87；In the process, steam pair Condensed water is condensed into after air heating in the airduct of heating unit 812, the input preheating for the condensed water that heating unit 812 is exported In unit 811 is heated, and then the waste heat of the condensed water exported using heating unit 812 is entered to the air for entering heating unit 812 Row preheating, effectively make use of the used heat of heat-exchanger rig 81, saves the steam consumption of heat-exchanger rig 81, reaches energy-saving Purpose.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model Protection domain within.

Claims (2)

1. cornstarch wet production system, it include infusion system, corn steep liquor recovery system, crushing system, plumule processing system, Fiber treatment system, starch processing system, seitan processing system, steeping tank group liquid outlet and the corn of the infusion system Dilute corn steep liquor reservoir inlet connection of recovery system is starched, the corn of the discharging opening and the crushing system of the steeping tank group is removed Stone cistern charging aperture is connected, and the one-level of the crushing system crushes cyclone top flow export and the one-level embryo of the plumule processing system Bud pressure curved sieve charging aperture is connected, tank discharging opening and six grades of fibres of the fiber treatment system after the pin mill mill of the crushing system Tie up pressure curved sieve the first order pressure curved sieve charging aperture connection, the warehouse pressure curved sieve top flow export of the crushing system with it is described The thick newborn tank charging aperture connection of the starch of starch processing system, each thick newborn underflow tank of the starch processing system with the bran The overfall connection of the air flotation slot of matter processing system；Characterized in that, the starch processing system include the thick newborn tank of the starch, Starch desander, thick newborn filter, thick newborn seperator, the thick newborn underflow tank, the newborn tank of essence, the newborn filter of essence, ten grades of cyclones, Scraper gravity tank, scraper centrifugal machine, overflow tank, slash flow container, horizontal screw centrifuge, protein salvage liquid storage tank, protein salvage liquid desanding Device, the discharging opening of the thick newborn tank of the starch is connected with the inlet of the starch desander, the liquid outlet of the starch desander Connected respectively with a thick newborn filter inlet by pipeline, the liquid outlet of every thick newborn filter is respectively with one The inlet connection of thick breast seperator described in platform, the underflow outlet of every thick newborn seperator respectively with a thick newborn bottom The connection of tank inlet is flowed, the discharging opening of every thick newborn underflow tank is connected with the newborn tank of the essence, every thick newborn underflow Charging aperture of the liquid outlet of tank with the thick newborn tank of the starch is connected, and the liquid outlet of the newborn tank of essence passes through the newborn filter of the essence Connected with the inlet of the First cyclone of described ten grades of cyclones, the tenth cyclone of described ten grades of cyclones goes out liquid Mouth is connected with the inlet of the scraper gravity tank, and the overfall of the scraper gravity tank connects with the inlet of the overflow tank Logical, the liquid outlet of the overflow tank is connected with the inlet of the scraper gravity tank, the liquid outlet of the scraper gravity tank and institute The inlet connection of scraper centrifugal machine is stated, the liquid outlet of the scraper centrifugal machine is connected with the inlet of the slash flow container, described The liquid outlet for skimming flow container is connected with the inlet of the horizontal screw centrifuge, the discharging opening of the horizontal screw centrifuge and the overflow tank Inlet connection, the liquid outlet of the horizontal screw centrifuge connects with the protein salvage liquid storage tank inlet, the albumen time Receive liquid storage tank liquid outlet to connect with the protein salvage liquid desander inlet, the protein salvage liquid desander liquid outlet and institute State the inlet connection of the tenth cyclone of ten grades of cyclones；The discharging opening of the scraper centrifugal machine and starch drying unit Starch charging screw feed en-trance connection；The starch drying unit includes two heat-exchanger rigs, steam drainer, starch dry winds Pipe, loudspeaker, starch charging spiral, level Four starch cyclone separator, starch pneumatic conveying pipe, starch cyclone, starch storage tank, Every heat-exchanger rig include airduct connect set preheating unit and heating unit, the inlet of the preheating unit with The distilled water outlet connection of the heating unit, the inlet of the liquid outlet of the preheating unit and the steam drainer connects Logical, the air inlet that the wind tube outlet of the heating unit dries airduct with the starch is connected, and the starch dries entering for airduct Material mouth is connected with the discharging opening of the loudspeaker, and the charging aperture of the loudspeaker is connected with starch charging spiral discharging mouthful, The discharge nozzle that the starch dries airduct is connected with the charging aperture of the level Four starch cyclone separator, the level Four starch whirlwind The discharging opening of separator is connected by the starch pneumatic conveying pipe with the charging aperture of the starch cyclone, the starch cyclone Discharging opening is connected with the starch reservoir inlet.

2. cornstarch wet production system according to claim 1, it is characterised in that the infusion system includes sulphur Stove, sulfur dioxide absorbing tower, relieving haperacidity clean water tank, sulfurous acid storage tank, sulfurous acid cyclone, relieving haperacidity clear water injector, the immersion Tank group, the gas outlet of the sulphur-furnace connects with the sulfur dioxide absorbing tower air inlet, and the sulfur dioxide absorbing tower goes out Gas port is connected by sulfur dioxide air-introduced machine with the air inlet of the sulfurous acid cyclone, the liquid outlet of the sulfurous acid cyclone With being connected at the top of the relieving haperacidity clean water tank, the gas outlet of the sulfurous acid cyclone and the air inlet of the relieving haperacidity clear water injector Connection, the water inlet of the relieving haperacidity clear water injector, the inlet of the sulfur dioxide absorbing tower by relieving haperacidity clarified water pump with The relieving haperacidity clean water tank delivery port connection, the liquid outlet of the sulfur dioxide absorbing tower connects with the sulfurous acid storage tank inlet Logical, the sulfurous acid tank top is connected with the sulfur dioxide air-introduced machine air inlet, and the liquid outlet of the sulfurous acid storage tank leads to The inlet that sulfurous acid pump is crossed with the steeping tank group is connected.