CN215162738U

CN215162738U - Starch jet liquefaction device in sugar production

Info

Publication number: CN215162738U
Application number: CN202121016981.0U
Authority: CN
Inventors: 楼志华; 张培东; 李莉
Original assignee: Jiangsu Ogo Biotech Co ltd
Current assignee: Jiangsu Ogo Biotech Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-12-14
Anticipated expiration: 2031-05-12

Abstract

The utility model provides a starch injection liquefaction device in sugar production, including a hybrid chamber, predetermined quantity's that connects gradually holding tube, an sprayer, a liquefaction chamber and a controller, be connected with inlet pipe and a first steam intake pipe on the hybrid chamber, the holding tube sets up the hybrid chamber below, the holding tube is the heliciform, the holding tube is equipped with a heating chamber outward, a second steam intake pipe is connected in the heating chamber, the sprayer sets up liquefaction chamber top, a third steam intake pipe is connected in the liquefaction chamber, the hybrid chamber with the liquefaction intracavity all is provided with an agitator, the hybrid chamber the holding tube reaches all be equipped with temperature sensor on the liquefaction chamber, the controller is received temperature sensor signal and control the operation of injection liquefaction device. The utility model discloses can be with material and steam intensive mixing, be heated evenly, make starch fully liquefied, liquefaction efficiency and effect are good, and the sugar solution is of high quality.

Description

Starch jet liquefaction device in sugar production

Technical Field

The utility model relates to a starch sugaring equipment technical field especially relates to a starch sprays liquefying plant in sugar production.

Background

Liquefaction technology is required in industries producing various sugars and various fermentations using starch as a raw material. At present, an intermittent liquefaction method is generally adopted, wherein in the intermittent liquefaction, due to uneven heating of feed liquid and uneven gas utilization, the liquefaction is uneven, the liquefaction effect is poor, dextrin exists at the end of saccharification, protein is difficult to solidify, sugar liquid is difficult to filter, and the protein and the dextrin are mixed in the sugar liquid, so that the foam is increased during fermentation, the liquid escape is serious, and the extraction rate of the next procedure and the quality of refined liquid are influenced; and during liquefaction, a large amount of unhydrolyzed starch particles and agglomerated particles are still carried in the solution, so that the difficulty of decomposing the insoluble particles during subsequent heat preservation liquefaction is high, the liquefaction efficiency and effect are poor, even the liquefied liquid is unqualified, the unhydrolyzed starch exists in the liquefied liquid, the difficulty of a saccharification working section is caused, the difficulty of filtration is increased, the produced final product is easy to be turbid, and the quality guarantee period is short. There is therefore a need to improve existing liquefaction systems to increase liquefaction efficiency and effectiveness.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a starch jet liquefaction device in sugar production that is heated evenly, with gas balanced, liquefaction effect and efficient.

For reaching this purpose, the utility model provides a starch injection liquefaction device in sugar production, including a hybrid chamber, predetermined amount's that connects gradually maintenance pipe, an sprayer, a liquefaction chamber and a controller, be connected with inlet pipe and a first steam intake pipe on the hybrid chamber, the maintenance pipe sets up the hybrid chamber below, the maintenance pipe is the heliciform, it is equipped with a heating chamber to maintain the outside of tubes, a second steam intake pipe is connected to the heating chamber, the sprayer sets up liquefaction chamber top, and it is connected with a third steam intake pipe, the hybrid chamber with the liquefaction intracavity all is provided with an agitator, the hybrid chamber the maintenance pipe reaches all be equipped with temperature sensor on the liquefaction chamber, the controller is received temperature sensor signal and control the operation of injection liquefaction device.

Further preferably, a filter screen is arranged at the communication position of the mixing cavity and the maintaining pipe.

Further preferably, a heat preservation cavity is formed between the heating cavity and the maintaining pipe, a predetermined number of steam through holes are formed in one side, close to the maintaining pipe, of the heating cavity, and the steam through holes are communicated with the heat preservation cavity.

Preferably, the mixing cavity comprises a material cavity and a steam cavity arranged outside the material cavity, a predetermined number of steam connecting holes are arranged on a connecting wall between the steam cavity and the material cavity in a penetrating manner, one side of the connecting wall close to the material cavity is provided with a gas-material separating net, and the gas-material separating net covers each steam connecting hole.

Further preferably, the nozzle of the injector comprises an upper end and a lower end, the upper end is a tapered nozzle, and the lower end is a diverging nozzle.

Preferably, the lower end is arranged in a step-shaped gradually expanding manner from top to bottom.

Further preferably, the mixing chamber, the liquefaction chamber and the heating chamber are provided with heat insulating layers on the outer side surfaces thereof.

Further preferably, the lower end of the liquefaction cavity is provided with a discharge pipe, the discharge pipe is provided with a discharge flange, and the feed pipe is provided with a feed flange.

Preferably, the stirrer comprises a stirring shaft and stirring blades, the stirring blades are arranged on the stirring shaft in a layered and crossed manner in a circumferential manner, and stirring holes with a preset number are arranged on the stirring blades in a penetrating manner.

Further preferably, the mixing chamber, the heating chamber and the liquefaction chamber are all provided with a heat dissipation port.

Has the advantages that: the utility model provides a starch injection liquefaction device in sugar production is equipped with mixing chamber, holding tube and liquefaction chamber, in the mixing chamber, steam flows in from the steam even hole is high-speed, mixes with the material, can break up starch granule that does not liquefy and the granule of conglomeration, promotes the cutting of amylase to starch, simultaneously, the setting of first agitator has increased the area of contact and the homogeneity of material and steam, makes the material be heated evenly, improves saccharification, liquefied efficiency and yield; then the material enters the maintaining pipe to be subjected to heat preservation and liquefaction for 5-10 minutes, and a filter screen is arranged between the mixing cavity and the maintaining pipe, so that starch particles which are not liquefied and agglomerated particles can be reduced to enter the maintaining pipe, and the conversion rate of starch is improved; then the material passes through the sprayer carry to further liquefy in the liquefaction chamber, can further improve the conversion efficiency of starch under the prerequisite of guaranteeing amylase activity, effectively reduce liquefaction material turbidity, simultaneously, be equipped with the second agitator in the liquefaction jar, can guarantee that starch granule is totally liquefied and is opened, the starch granule that does not liquefy and the granule of conglomeration, and then make starch fully liquefy, improve liquefaction efficiency and effect, improve the sugar solution quality.

The mixing chamber, the maintaining pipe and the liquefaction chamber are provided with temperature sensors, the controller receives signals of the temperature sensors and controls steam flow entering the mixing chamber, the heat preservation chamber and the liquefaction chamber, or the mixing chamber, the heat generation chamber and the liquefaction chamber are cooled through the heat dissipation port, so that the material environment is always at the optimal temperature, the liquefaction efficiency and effect are kept and guaranteed, and the starch conversion rate is improved.

Drawings

FIG. 1 is a schematic structural diagram of a starch spray liquefaction device in sugar production provided in example 1.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, the present embodiment provides a starch injection liquefaction apparatus for sugar production, which includes a mixing chamber 1, a predetermined number of holding pipes 2, an injector 3, a liquefaction chamber 4, and a controller connected in sequence.

The mixing chamber 1 is connected with a feed pipe 11 and a first steam inlet pipe 12 for feeding and steam entering. The mixing cavity 1 comprises a material cavity 13 and a steam cavity 14 arranged outside the material cavity 13, the first steam inlet pipe 12 is communicated with the steam cavity 14, a predetermined number of steam connecting holes 15 are uniformly formed in the connecting wall between the steam cavity 14 and the material cavity 13 in a penetrating mode along the side circumference, one side, close to the material cavity 13, of the connecting wall is provided with a gas-material separating net 16, the gas-material separating net 16 covers each steam connecting hole 15, so that steam entering the steam cavity 14 from the first steam inlet pipe 12 can enter the material cavity 13 through the steam connecting holes 15 and the gas-material separating net 16, gelatinization and liquefaction of materials are facilitated, and the materials cannot pass through the gas-material separating net 16 to cause material dissociation. A first stirrer 17 is arranged in the material cavity 13 and is used for stirring materials, the first stirrer 17 comprises a first stirring shaft 171 and a first stirring blade 172, the first stirring vanes 172 are circumferentially arranged on the first stirring shaft 171 in a layered-crossing manner, a predetermined number of first stirring holes 173 are formed through the first stirring blade 172, when the first stirrer 17 stirs the materials, the first stirring blades 172 of each layer cross-stir the materials, meanwhile, during the stirring process, part of the materials pass through the first stirring holes 173, so that the materials are more uniform, the generation of starch particles which are not liquefied and agglomerated particles is reduced, the first stirrer 17 is matched with the steam connecting holes 15 uniformly formed in the connecting wall, so that materials are uniformly heated, the gas is used uniformly, and the pasting and liquefying effects are guaranteed.

The maintaining pipe 2 is arranged below the mixing cavity 1 and is communicated with the lower end of the mixing cavity 1, a filter screen 21 is arranged at the communication position of the mixing cavity 1 and the maintaining pipe 2, starch particles which are not liquefied and agglomerated particles are prevented from entering the maintaining pipe 2, the starch particles entering the maintaining pipe 2 are ensured to be completely liquefied, and therefore the conversion efficiency of starch is improved. The maintaining pipe 2 is in a spiral shape, a heating cavity 22 is arranged outside the maintaining pipe 2, the heating cavity 22 is connected with a second steam inlet pipe, a heat preservation cavity 23 is formed between the heating cavity 22 and the maintaining pipe 2, a predetermined number of steam through holes are arranged on one side of the heating cavity 22 close to the maintaining pipe 2, the steam through holes are communicated with the heat preservation cavity 23, steam enters the heating cavity 22 from the second steam inlet pipe and then enters the heat preservation cavity 23 from the steam through holes, the heating cavity 22 and the heat preservation cavity 23 are heated to preserve the heat of the feed liquid in the maintaining pipe 2, the diameter of the maintaining pipe 2 is small, the heat of the heat preservation cavity 23 can be uniformly transferred to the feed liquid in the maintaining pipe 2, so that the feed liquid is maintained at a proper liquefaction temperature, the feed liquid enters the maintaining pipe 2 and flows out of the maintaining pipe 2, the middle time takes 5-10 minutes, during the period, the feed liquid is liquefied in the maintaining pipe 2 for 5-10 minutes.

The ejector 3 with be connected through a pump between the holding tube 2, the ejector 3 sets up liquefaction chamber 4 top, the spray tube 31 of ejector 3 with liquefaction chamber 4 intercommunication, the spray tube 31 of telling includes upper end 32 and lower extreme 33, upper end 32 is the convergent nozzle, lower extreme 33 is the divergent nozzle, is the echelonment divergent setting from last to down, upper end 32 is connected with a third steam intake pipe 34. When the material passes through the upper end 32, the flow velocity of the material is increased due to the arrangement of the reducing spray pipe 31, and when the material passes through the lower end 33, the flow velocity of the material is gradually reduced, fluid micro-vortices are formed at the steps, the flow direction of part of the fluid is changed, dispersed power is generated, stronger micro-turbulence is formed, and blockage is not easily caused during down-flow.

Be provided with a second agitator 41 in the liquefaction chamber 4, second agitator 41 includes a second (mixing) shaft 42 and second stirring leaf 43, second stirring leaf 43 layering is alternately and is the circumference setting and is in on the second (mixing) shaft 42, run through on the second stirring leaf 43 and be provided with predetermined quantity's second stirring hole 44, second stirring leaf 43 with second stirring hole 44 cooperation makes the material be heated evenly, increases the area of contact of material and steam, and the liquefaction is effectual. The hybrid chamber 1 the holding tube 2 reaches all be equipped with temperature sensor on the liquefaction chamber 4, the hybrid chamber 1 the heating chamber 22 reaches all be provided with a thermovent 45 on the liquefaction chamber 4, thermovent 45 is connected with the radiator for the heat dissipation carries out temperature adjustment. The controller receives the temperature sensor signal and controls the steam flow entering the mixing chamber 1, the heat preservation chamber 23 and the liquefaction chamber 4, or cools the mixing chamber 1, the heat generation chamber and the liquefaction chamber 4 through the heat dissipation port 45, so that the material environment is always at the optimal liquefaction temperature, the liquefaction efficiency and effect are kept, and the starch conversion rate is improved.

The mixing chamber 1, the liquefaction chamber 4 and the heating chamber 22 are provided with heat preservation layers (not shown) on the outer side surfaces, so that heat dissipation is reduced, and the heat utilization rate is improved.

The lower end of the liquefaction cavity 4 is provided with a discharge pipe 46, a discharge flange is arranged on the discharge pipe 46, and a feeding flange is arranged on the feeding pipe 11. One-way valves are respectively arranged between the mixing cavity 1 and the maintaining pipe 2 and between the maintaining pipe 2 and the liquefying cavity 4, so that the back suction of materials due to temperature change is prevented.

The starch injection liquefying device in sugar production provided by the embodiment is provided with a mixing cavity 1, a maintaining pipe 2 and a liquefying cavity 4, steam flows into the mixing cavity 1 at a high speed from the steam connecting hole 15 to be mixed with materials, starch particles which are not liquefied and agglomerated particles can be dispersed, starch cutting by amylase is promoted, meanwhile, the arrangement of the first stirrer 17 increases the contact area and uniformity of the materials and the steam, the materials are heated uniformly, and the saccharifying and liquefying efficiency and yield are improved; then the material enters the maintaining pipe 2 to be heat-preserved and liquefied for 5-10 minutes, and a filter screen 21 is arranged between the mixing cavity 1 and the maintaining pipe 2, so that the starch particles which are not liquefied and agglomerated particles can be reduced to enter the maintaining pipe 2, and the conversion rate of starch is improved; then the material passes through the sprayer 3 carry to further liquefy in the liquefaction chamber 4, can be under the prerequisite of guaranteeing amylase activity, further improve the conversion efficiency of starch, effectively reduce liquefaction material turbidity degree, simultaneously, be equipped with second agitator 41 in the liquefaction jar, can guarantee that starch granule is totally liquefied and open, the granule of no starch granule that the liquefaction was opened and the granule of conglomeration, and then make starch fully liquefy, improve liquefaction efficiency and effect, improve the sugar solution quality.

The mixing chamber 1, the maintaining pipe 2 and the liquefaction chamber 4 are provided with temperature sensors, the controller receives the temperature sensor signals and controls the steam flow entering the mixing chamber 1, the heat preservation chamber 23 and the liquefaction chamber 4, or the mixing chamber 1, the heating chamber and the liquefaction chamber 4 are cooled through the heat dissipation port 45, so that the material environment is always at the optimal temperature, the liquefaction efficiency and effect are kept, and the starch conversion rate is improved.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.

Claims

1. The utility model provides a starch injection liquefaction device in sugar production, its characterized in that, is including a hybrid chamber, predetermined number's that connect gradually maintenance pipe, an sprayer, a liquefaction chamber and a controller, be connected with inlet pipe and a first steam intake pipe on the hybrid chamber, the maintenance pipe sets up the hybrid chamber below, the maintenance pipe is the heliciform, it is equipped with a heating chamber to maintain the outside, a second steam intake pipe is connected to the heating chamber, the sprayer sets up on the liquefaction chamber, it is connected with a third steam intake pipe, the hybrid chamber with all be provided with a agitator in the liquefaction chamber, the hybrid chamber the maintenance pipe reaches all be equipped with temperature sensor on the liquefaction chamber, the controller is received temperature sensor signal and control the operation of injection liquefaction device.

2. The apparatus for injecting and liquefying starch in the production of sugar as claimed in claim 1, wherein a filter screen is provided at a position where said mixing chamber communicates with said holding pipe.

3. The apparatus of claim 1, wherein a heat-retaining chamber is formed between the heating chamber and the holding tube, and a predetermined number of steam vents are disposed on a side of the heating chamber adjacent to the holding tube, the steam vents communicating the heat-retaining chamber with the heating chamber.

4. The starch injection liquefying device in sugar production as claimed in claim 1, wherein the mixing chamber comprises a material chamber and a steam chamber arranged outside the material chamber, a connecting wall between the steam chamber and the material chamber is provided with a predetermined number of steam connecting holes in a penetrating manner, one side of the connecting wall close to the material chamber is provided with a gas-material separating net, and the gas-material separating net covers each steam connecting hole.

5. The apparatus for spray liquefaction of starch in sugar production as claimed in claim 1, wherein said injector nozzle comprises an upper end and a lower end, said upper end being a converging nozzle and said lower end being a diverging nozzle.

6. The apparatus for injecting starch into a sugar refinery as claimed in claim 5, wherein said lower end is gradually enlarged from top to bottom.

7. The starch injection liquefying apparatus in sugar production as claimed in claim 1, wherein the mixing chamber, the liquefying chamber and the heating chamber are provided with heat insulating layers on outer sides.

8. The starch injection liquefying device in sugar production as claimed in claim 1, wherein the liquefying chamber is provided at a lower end thereof with a discharging pipe, the discharging pipe is provided with a discharging flange, and the feeding pipe is provided with a feeding flange.

9. The starch injection liquefying apparatus in sugar production as claimed in claim 1, wherein the agitator comprises an agitating shaft and agitating blades, the agitating blades are circumferentially arranged on the agitating shaft in a layered and crossed manner, and a predetermined number of agitating holes are arranged on the agitating blades in a penetrating manner.

10. The apparatus of claim 1, wherein the mixing chamber, the heating chamber and the liquefaction chamber are provided with a heat sink.