CN211142049U - Vertical spray absorption tower for producing alcohol from starchiness raw material - Google Patents

Abstract

The utility model relates to a vertical spray absorption tower for producing alcohol by starchiness raw material, which comprises a tank body, wherein the upper end of the tank body is provided with an air outlet pipe, the upper part of the tank body is provided with an inlet pipe, one end of the inlet pipe, which is positioned in the tank body, is provided with a spray head, the lower end of the tank body is provided with a discharge pipe, a collecting ring and a distribution plate are sequentially arranged in the tank body from top to bottom, the collecting ring is of a funnel-shaped structure with a large upper end opening and a small lower end opening, the upper end of the collecting ring is connected with the inner wall of the tank body, the lower end of the collecting ring corresponds to the distribution plate, the distribution plate is of the funnel-shaped structure, the upper end opening of the distribution plate corresponds to the lower end opening of the collecting ring, the utility model has simple structure, novel and ingenious conception, the absorption effect is improved, and the absorption efficiency is improved.

Description

Vertical spray absorption tower for producing alcohol from starchiness raw material

The technical field is as follows:

the utility model belongs to the technical field of spray absorption equipment, concretely relates to starchiness raw materials produces vertical absorption tower that sprays for alcohol.

Background art:

in the prior art, when starchy raw materials such as corn, cassava, rice, wheat, sorghum and the like are utilized to produce alcohol, the adopted process method generally comprises the process steps of raw material crushing, liquefying, saccharifying, fermenting, distilling, residue separating and the like, after the raw materials are crushed, the starchy raw materials are required to be mixed and stirred with liquefying enzyme in the liquefying process, the mixture is liquefied by spraying, then the temperature is raised to 95-103 ℃ to be liquefied into liquefied mash, the liquefied mash is required to be cooled to 60 ℃ and then can be sent into a saccharifying tank to be saccharified, a large amount of heat loss is caused in the process, at present, in order to reduce the energy consumption of the starchy raw materials for producing alcohol, secondary steam generated in the cooling process of the liquefied mash is generally sent into the starchy raw materials and is used for preheating, heating and liquefying the starchy raw materials, so that the energy consumption required in the liquefaction of the raw materials is reduced, the starchy raw materials are preheated, this process is usually carried out in an absorption column. After the starchy raw material, the liquefying enzyme and the water are mixed, the starchy raw material flows from top to bottom from the upper end of the absorption tower, the secondary steam enters from the bottom of the absorption tower and flows from bottom to top, in the process, the secondary steam is in contact with the mixed material, and the mixed material absorbs the secondary steam, heats up and is primarily liquefied, so that the steam required by complete liquefaction of the starchy material is saved, energy and cooling water are saved, and the purposes of energy conservation and emission reduction are achieved.

However, in the absorption tower with the structure, the secondary steam is in contact with the mixture only once, the mixture and the secondary steam have poor flowability in the reabsorption tower, so that the absorption effect is poor, the secondary steam cannot be fully absorbed, the absorption efficiency is low, and the pre-liquefaction effect of the mixture is not ideal.

The utility model has the following contents:

to sum up, in order to overcome prior art problem not enough, the utility model provides a starchiness raw materials production alcohol is with vertical absorption tower that sprays, it is internal that starchiness mixture sprays the entering jar with the form that sprays, jar internal infundibulate collection ring that sets up and the dish of distributor, utilize the flow direction that collection ring and dish of distributor change the mixture and the flow direction of steam, make mixture and steam flow in order at jar internal, and mixture and steam contact many times, thereby effectual improvement absorption efficiency, can make steam can be fully absorbed by the mixture simultaneously, improve energy utilization, realize reducing energy consumption, practice thrift the manufacturing cost of starchiness raw materials production alcohol, reduce steam and discharge, realize energy saving and emission reduction purpose.

In order to solve the technical problem, the utility model discloses a technical scheme does:

a vertical spray absorption tower for producing alcohol by using starchiness raw materials is disclosed, wherein: the device comprises a tank body, an inlet pipe, a spray head, a collecting ring and a distribution plate, wherein an outlet pipe is arranged at the upper end of the tank body, an inlet pipe is arranged at the upper part of the tank body, one end of the inlet pipe is positioned outside the tank body, the other end of the inlet pipe is arranged in the tank body, the spray head is arranged at one end of the inlet pipe, which is positioned in the tank body, the lower end of the tank body is of a funnel-shaped structure, a discharge pipe is arranged on the discharge pipe, the collecting ring and the distribution plate are sequentially arranged in the tank body from top to bottom, the collecting ring is of a funnel-shaped structure with a large upper end opening and a small lower end opening, the upper end of the collecting ring is connected with the inner wall of the tank body, the lower end of the collecting ring corresponds to the distribution plate, a distance exists between the lower end of the collecting ring and the upper end of the, the lower end of the distribution disc is provided with a blanking hole, the side wall of the distribution disc is provided with a plurality of water permeable holes, the diameter of the water permeable holes of the distribution disc is smaller than that of the blanking holes and smaller than that of the upper opening, a distance exists between the lower end of the distribution disc and the lower end of the tank body, and the tank body below the distribution disc is provided with an air inlet.

Furthermore, a sawtooth-shaped weir plate is arranged on the opening at the upper end of the distribution disc.

Furthermore, the diameter of the upper end opening of the distribution disc is larger than or equal to that of the lower end opening of the collecting ring.

Further, a grid is arranged in the tank body and is arranged between the spray head and the collecting ring.

Further, the tank body is provided with a manhole and an observation window.

The utility model has the advantages that:

1. the utility model discloses starchiness mixture sprays the entering jar internal with the form of spraying, jar internal infundibulate collection ring that sets up and the dish of distributor, utilize the flow direction that collection ring and dish of distributor change the mixture and the flow direction of secondary steam, make mixture and secondary steam flow in order at jar internal, and mixture and secondary steam contact many times, thereby effectual improvement absorption efficiency, can make secondary steam can fully be absorbed by the mixture simultaneously, improve energy utilization, realize reducing energy consumption, practice thrift starchiness raw materials production alcohol's manufacturing cost, reduce the steam and discharge, realize energy saving and emission reduction purpose.

2. The utility model discloses a diameter in hole of permeating water of plate of distributor is less than the diameter of lower extreme open-ended, then the material whereabouts of collecting ring inner wall landing along in the plate of distributor, along the lower material hole on the plate of distributor and permeate water the hole whereabouts, form water curtain formula material flow between plate of distributor and jar body lower extreme discharging pipe, when the hot secondary steam outside-in that gets into from the air inlet passes water curtain formula material flow, material flow carries out the first contact absorption to secondary steam, secondary steam flows upwards in water curtain formula material flow, receive the plate of distributor to block the dispersion, when secondary steam outside-in passes water curtain formula material flow again, material flow carries out the second contact absorption to secondary steam.

3. The utility model discloses a there is certain distance between collecting ring and the distributor plate, the collecting ring makes the toper material flow collected to flow downwards along the collecting ring, form the water curtain formula material flow of downflow between collecting ring and distributor plate, and secondary steam flow upflow receives the stopping of distributor plate and disperses, then between collecting ring and distributor plate, secondary steam is flowed upwards from the middle part of collecting ring by passing water curtain formula material flow all around inwards, then secondary steam and water curtain formula material flow contact, material flow carries out the contact absorption of third time to secondary steam.

4. The utility model discloses an inlet pipe be located the internal one end of jar and set up the shower nozzle, the setting up of shower nozzle makes the material get into the jar internally in order to spray the form, and the state that the toper material flows gets into the jar internally, makes the material dispersion, and simultaneously, when the toper material flow is flowed through to the secondary steam, secondary steam and material contact realize that the material flow carries out the fourth contact absorption to secondary steam.

5. The utility model discloses simple structure, the design is novel ingenious, and convenient operation is swift, utilizes the shower nozzle to form the toper commodity circulation, utilizes collecting ring and plate for distribution to form the water curtain formula and material the flow to make secondary steam and material four times direct contact, the material fully absorbs secondary steam, thereby promotes the absorption effect, promotes the absorption efficiency height.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, a vertical spray absorption tower for producing alcohol from starchy raw materials comprises a tank body 1, a feeding pipe 2, a spray head 3, a collecting ring 4 and a distribution plate 5, wherein an air outlet pipe 6 is arranged at the upper end of the tank body 1, the feeding pipe 2 is arranged at the upper part of the tank body 1, one end of the feeding pipe 2 is positioned outside the tank body 1, the other end of the feeding pipe is arranged in the tank body 1, the spray head 3 is arranged at one end of the feeding pipe 2 positioned in the tank body 1, the lower end of the tank body 1 is of a funnel-shaped structure, a discharge pipe 8 is arranged on the funnel-shaped structure, the collecting ring 4 and the distribution plate 5 are sequentially arranged in the tank body 1 from top to bottom, the collecting ring 4 is of a funnel-shaped structure with a large opening at the upper end and a small opening at the lower end, the upper end of the collecting ring 4 is connected with the inner wall of the tank body, the distribution disc 5 is of a funnel-shaped structure, a support used for being connected with the inner wall of the tank body 1 is circumferentially arranged on the distribution disc 5, an upper end opening of the distribution disc 5 corresponds to a lower end opening of the collecting ring 4, the diameter of the upper end opening of the distribution disc 5 is larger than or equal to the diameter of the lower end opening of the collecting ring 4, a zigzag weir table is arranged on the upper end opening of the distribution disc 5, a blanking hole 51 is arranged at the lower end of the distribution disc 5, a plurality of water permeable holes 52 are arranged on the side wall of the distribution disc 5, the diameter of the water permeable holes 52 of the distribution disc 5 is smaller than that of the blanking hole 51 and smaller than that of the upper end opening, a distance exists between the lower end of the distribution disc 5 and the lower end of the tank body 1, and an air inlet 7. A grating 9 is arranged in the tank body 1, and the grating 9 is arranged between the spray head 3 and the collecting ring 4. The tank body 1 is provided with a manhole and an observation window.

When the starch material distributor is used, starch material mixture enters from the feeding pipe 2 at the upper part of the tank body 1, is sprayed into a conical material flow through the spray head 3, the conical material flow flows downwards and enters the collecting ring 4, the material flows downwards in the collecting ring 4 due to the funnel-shaped structure of the collecting ring 4, the material is gathered from the periphery to the center and falls into the distribution disc 5 along the collecting ring 4, when the material falls into the distribution disc 5 from the collecting ring 4 due to a certain distance between the lower end of the collecting ring 4 and the distribution disc 5, a water curtain-shaped material flow is formed between the collecting ring 4 and the distribution disc 5, the material falls into the distribution disc 5 due to the funnel-shaped structure of the distribution disc 5, the diameter of the water permeable holes 52 of the distribution disc 5 is smaller than that of the openings at the upper end, the material falling along the inner wall of the collecting ring 4 falls into the distribution disc 5, and falls along the discharging holes 51 and the water permeable holes 52 on, a water curtain type material flow is formed between the distribution disc 5 and a discharge pipe 8 at the lower end of the tank body 1, secondary steam evaporated when liquefied mash is cooled enters the tank body 1 from an air inlet 7 and flows from bottom to top along an inner cavity of the tank body 1, the water curtain type material flow below the distribution disc 5 is firstly contacted with tail gas, the secondary steam firstly penetrates through the water curtain from outside to inside and enters the water curtain, the secondary steam firstly contacts with the material, then the secondary steam continuously moves upwards under the blocking action of the distribution disc 5, the secondary steam diffuses towards the periphery and needs to penetrate through the water curtain type material flow from inside to outside, the secondary steam is contacted with the material again, then the secondary steam continuously flows upwards after being dispersed and enters between the distribution disc 5 and the collecting ring 4, the secondary steam penetrates through the water curtain type material flow between the collecting ring 4 and the distribution disc 5 from outside to inside, the secondary steam contacts with the third material flow, and then the secondary steam flows upwards along, secondary steam diffuses upward flow once more, and secondary steam passes the toper material stream that shower nozzle 3 sprayed, and secondary steam is fourth and material contact to make the material fully absorb secondary steam, thereby the preliminary liquefaction of intensification, noncondensable gas in the secondary steam is discharged from outlet duct 6 of the upper end of the jar body 1, and starchiness mixture after the intensification is discharged from discharging pipe 8 of jar body 1 lower extreme.

It should be noted that the above-mentioned embodiments are illustrative and not restrictive of the technical solutions of the present invention, and equivalents of those skilled in the art or other modifications made according to the prior art are intended to be included within the scope of the claims of the present invention as long as they do not exceed the spirit and scope of the technical solutions of the present invention.

Claims (5)

1. The utility model provides a starchiness raw materials produces vertical spraying absorption tower for alcohol which characterized in that: comprises a tank body (1), an inlet pipe (2), a spray head (3), a collecting ring (4) and a distribution plate (5), wherein an outlet pipe (6) is arranged at the upper end of the tank body (1), the inlet pipe (2) is arranged at the upper part of the tank body (1), one end of the inlet pipe (2) is positioned outside the tank body (1), the other end of the inlet pipe is arranged in the tank body (1), the spray head (3) is arranged at one end of the inlet pipe (2) positioned in the tank body (1), the lower end of the tank body (1) is of a funnel-shaped structure, a discharge pipe (8) is arranged on the lower end of the tank body (1), the collecting ring (4) and the distribution plate (5) are sequentially arranged from top to bottom in the tank body (1), the collecting ring (4) is of a funnel-shaped structure with a large upper opening and a small lower opening, the upper end of the collecting ring (4) is connected with the inner, and there is the distance between the upper end of the lower extreme of collecting ring (4) and distribution dish (5), distribution dish (5) be funnel-shaped structure, its circumference be provided with be used for connecting jar body (1) inner wall usefulness the support, the upper end opening of distribution dish (5) correspond with the lower extreme opening of collecting ring (4), the lower extreme of distribution dish (5) set up unloading hole (51), the lateral wall of distribution dish (5) on be provided with a plurality of hole (52) of permeating water, the diameter of the hole (52) of permeating water of distribution dish (5) be less than unloading hole (51) diameter and be less than the diameter of upper end opening, distribution dish (5) lower extreme and jar body (1) between have the distance, the jar body (1) below distribution dish (5) on be provided with air inlet (7).

2. The vertical spray absorption tower for producing alcohol from starchy raw material according to claim 1, characterized in that: a zigzag weir plate is arranged on the upper opening of the distribution disc (5).

3. The vertical spray absorption tower for producing alcohol from starchy raw material according to claim 1, characterized in that: the diameter of the upper end opening of the distribution disc (5) is larger than or equal to that of the lower end opening of the collecting ring (4).

4. The vertical spray absorption tower for producing alcohol from starchy raw material according to claim 1, characterized in that: the tank body (1) is internally provided with a grating (9), and the grating (9) is arranged between the spray head (3) and the collecting ring (4).

5. The vertical spray absorption tower for producing alcohol from starchy raw material according to claim 1, characterized in that: the tank body (1) is provided with a manhole and an observation window.

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