CN116474403A - Height-adjustable cross-flow type tray multi-effect recovery tower - Google Patents
Height-adjustable cross-flow type tray multi-effect recovery tower Download PDFInfo
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- CN116474403A CN116474403A CN202310553751.5A CN202310553751A CN116474403A CN 116474403 A CN116474403 A CN 116474403A CN 202310553751 A CN202310553751 A CN 202310553751A CN 116474403 A CN116474403 A CN 116474403A
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- 238000011084 recovery Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims abstract description 64
- 238000001704 evaporation Methods 0.000 claims abstract description 32
- 230000008020 evaporation Effects 0.000 claims abstract description 29
- 230000008859 change Effects 0.000 claims abstract description 12
- 239000011550 stock solution Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 26
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 57
- 238000000746 purification Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 238000009833 condensation Methods 0.000 description 12
- 230000005494 condensation Effects 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 11
- 238000000926 separation method Methods 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 8
- 239000000112 cooling gas Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000009835 boiling Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/322—Reboiler specifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/324—Tray constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/42—Regulation; Control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
- B01D5/006—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/009—Collecting, removing and/or treatment of the condensate
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention provides a multi-effect recovery tower with height-adjustable cross-flow trays, which belongs to the technical field of alcohol recovery and comprises a tower body, an evaporation tank, an air inlet mechanism, a tray mechanism, a lifting mechanism, a reboiling tank and a condensing tank, wherein: the side part of the tower body is provided with a first air inlet and an air return port, the bottom of the tower body is provided with a first liquid outlet, and the top of the tower body is provided with a first air outlet; the evaporation tank is positioned at the lower side of the tower body, a first liquid inlet is arranged at the side part of the evaporation tank, a second air outlet is arranged at the top of the evaporation tank, a first pipeline is fixedly connected between the second air outlet and the first air inlet, and stock solution enters the evaporation tank from the first liquid inlet to be evaporated to obtain gas; the buffer space in the tower body can be changed at any time, meanwhile, the tray mechanisms with different heights can also change the heat and mass exchange of the gas, so that the purification accuracy of the alcohol stock solution is effectively improved, the alcohol energy loss is reduced, and the alcohol finished product with higher concentration is obtained.
Description
Technical Field
The invention belongs to the technical field of alcohol recovery, and particularly relates to a multi-effect recovery tower with height-adjustable cross-flow trays.
Background
The recovery tower generally refers to an alcohol recovery tower, the working principle of the alcohol recovery tower utilizes the principle that the boiling point of alcohol is lower than that of other solutions, and the temperature slightly higher than that of the alcohol is used for heating and volatilizing the dilute alcohol solution to be recovered, and pure alcohol gas is separated out after the distillation of the tower body, so that the concentration of the alcohol solution is improved, and the purpose of recovering alcohol is achieved.
The prior art discloses the chinese patent with application number of CN201110063759.0, which discloses an alcohol recovery tower, including tower cauldron, body of the tower and condenser, tower cauldron and body of the tower are as an organic whole, be equipped with the heating pipe in the tower cauldron, be equipped with accuse Wen Dajie on the body of the tower, accuse temperature tower festival lower part one side is equipped with the cooling water import, accuse Wen Dajie upper portion opposite side is equipped with the cooling water export, body of the tower upper portion is connected with alcohol preheating chamber through the condenser pipe, alcohol preheating chamber top is equipped with the cooling water entry, alcohol preheating chamber bottom one side is opened there is the alcohol entry, alcohol preheating chamber bottom is equipped with the circulating water export, the body of the tower top is connected with the condenser through the intercommunication pipe, the condenser bottom is opened there is the alcohol export, the alcohol export is connected with the finished product jar. The invention has the advantages that: the temperature in the tower body can be adjusted by controlling Wen Dajie, and the tower body is connected with the condenser, so that the reflux phenomenon can not occur, and the device is safe and reliable.
The existing recovery tower is generally internally provided with a tray, the temperature of the gas is reduced through the tray, so that the moisture in the gas is converted into liquid to flow downwards, alcohol in the gas continues to flow upwards, pure alcohol gas is separated out, the concentration of alcohol solution is improved, but the tray structure is generally fixed, a large amount of gas enters the recovery tower to increase the internal pressure, the fixed-position tray cannot be matched with the cooling efficiency of different flow rate gases, and a large amount of gas enters the recovery tower instantaneously to cause the internal sudden increase of the recovery tower, so that the recovery tower has certain danger, and the multi-effect recovery tower with the height-adjustable cross-flow tray is provided.
Disclosure of Invention
The invention aims to provide a multi-effect recovery tower with a height-adjustable cross-flow tray, and aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a height-adjustable cross-flow tray multi-effect recovery column comprising:
the side part of the tower body is provided with a first air inlet and an air return port, the bottom of the tower body is provided with a first liquid outlet, and the top of the tower body is provided with a first air outlet;
the evaporation tank is positioned at the lower side of the tower body, a first liquid inlet is formed in the side part of the evaporation tank, a second air outlet is formed in the top of the evaporation tank, a first pipeline is fixedly connected between the second air outlet and the first air inlet, and stock solution enters the evaporation tank from the first liquid inlet to be evaporated to obtain gas;
the air inlet mechanism is arranged in the tower body and is connected with the first pipeline to guide air to uniformly enter the tower body;
the tray mechanisms are provided with a plurality of groups and are all positioned in the tower body, and the gas is separated and treated by the tray mechanisms to obtain purified gas and liquid;
the lifting mechanism is arranged in the tower body and is used for synchronously lifting the plurality of groups of tray mechanisms so as to change the buffer space for gas to enter the tower body;
the reboiling tank is arranged at the lower side of the tower body and is used for secondarily evaporating the liquid to obtain gas; and
and the condensing tank is arranged on the upper side of the tower body and is used for condensing gas to obtain a finished product.
As a preferable scheme of the invention, the air inlet mechanism comprises a reducer pipe, an annular pipe and an air outlet hole, wherein the reducer pipe is fixedly connected in the first air inlet, one end of the reducer pipe is connected with the first pipeline, the annular pipe is fixedly connected with the other end of the reducer pipe, the air outlet holes are all arranged on the lower side of the annular pipe, and gas evaporated from stock solution enters the reducer pipe through the first pipeline and then enters the tower body through the air outlet hole.
As a preferable scheme of the invention, each tray mechanism comprises a round tray, a convex filter cover, overflow weirs, downflow holes and downflow pipes, wherein the round tray is arranged in the tower body in a sliding way, the convex filter covers are uniformly distributed at the top of the round tray, the overflow weirs are provided with two overflow weirs and are fixedly connected with the lower inner wall of the round tray, the downflow holes are fixedly connected with the bottom of the round tray, and the downflow pipes are arranged at the bottom of the round tray.
As a preferable scheme of the invention, the circular tray is divided into three areas by the overflow weir, the convex filter cover, the downflow holes and the downflow pipes are respectively arranged in different areas, the convex filter cover is arranged between the convex filter cover and the downflow pipes, and two adjacent downflow holes are arranged in a cross flow manner.
As a preferred embodiment of the present invention, the lifting mechanism includes:
an upper circular frame fixedly connected in the tower body;
the lower circular frame is fixedly connected in the tower body and is positioned at the lower side of the upper circular frame;
the ball screw is provided with two ball screw rods, the ball screw rods are all connected between the upper circular frame and the lower circular frame in a rotating way, the screw rod sleeves are all fixedly connected to the circumferential surfaces of the ball screw rods, the screw rod sleeves are all sleeved on the circumferential surfaces of the ball screw rods, and the two screw rod sleeves positioned at the same height are fixedly connected to the bottoms of the same circular tray;
the protective shell is fixedly connected to the top of the lower circular frame; and
the driving assembly is arranged on the tower body and is used for driving the two ball screws to synchronously rotate so as to drive the tray mechanisms to lift.
As a preferable scheme of the invention, the driving assembly comprises an inner gear, a first bevel gear, a first motor and a second bevel gear, wherein the inner gear is rotationally connected in the lower circular frame, the inner gear is meshed with the two screw rod sleeves, the first bevel gear is fixedly connected to the top of the inner gear, the first motor is fixedly connected to the side part of the tower body, the output end of the first motor extends into the tower body, the second bevel gear is fixedly connected to the output end of the first motor, and the second bevel gear is meshed with the first bevel gear.
As a preferable scheme of the invention, a second liquid inlet is formed in the side part of the reboiling tank, a second pipeline is fixedly connected between the second liquid inlet and the first liquid outlet, a second liquid outlet is formed in the bottom of the reboiling tank, a third air outlet is formed in the top of the reboiling tank, a third pipeline is fixedly connected between the third air outlet and the air return port, and a stirring mechanism is arranged on the reboiling tank.
As a preferable scheme of the invention, the stirring mechanism comprises a second motor, a third bevel gear, a stirring blade and a fourth bevel gear, wherein the second motor is fixedly connected to the top of the reboiling tank, the third bevel gear is fixedly connected to the output end of the second motor, the stirring blade is rotatably connected to the upper inner wall of the reboiling tank, the upper end of the stirring blade penetrates through the reboiling tank and extends upwards, and the fourth bevel gear is fixedly connected to the upper end of the stirring blade.
As a preferable scheme of the invention, the condensing tank is formed by splicing a main half bin and an auxiliary half bin, a partition plate is arranged at the top of the main half bin, a fourth pipeline is fixedly connected between the partition plate and the first air outlet, a third liquid outlet is arranged at the bottom of the main half bin, the partition plate is fixedly connected between the inner walls of the main half bin, the main half bin is divided into an upper cavity and a lower cavity by the partition plate, a cold air inlet and a cold air outlet are arranged at the top of the auxiliary half bin, a baffle is fixedly connected to the joint of the auxiliary half bin close to the main half bin, a plurality of U-shaped pipes are fixedly connected to one side of the baffle close to the auxiliary half bin, and the U-shaped pipes are communicated with the upper cavity and the lower cavity of the main half bin.
As a preferable scheme of the invention, the other side of the auxiliary half bin is fixedly connected with a radiator and a fan.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the scheme, the output end of the first motor drives the second bevel gear to rotate, the second bevel gear drives the inner gear to rotate, the inner gear drives the screw rod sleeve to rotate, finally, the two ball screws are driven to synchronously rotate, the screw rod sleeve can lift under the rotation of the ball screws, a plurality of tray mechanisms can synchronously lift, the buffer space in the tower body can be changed at any time, then the instantaneous pressure change of the gas in the tower body can be regulated, huge air pressure of a large amount of gas entering can be relieved, meanwhile, the tray mechanisms with different heights can also change the heat and mass exchange of the gas, namely, the separation rate of alcohol gas and water liquid in the gas is regulated, the alcohol gas flows upwards through the convex filter cover, the water liquid is continuously piled up in the round tray, the water liquid flows downwards along the downflow holes and the downflow pipes when the water liquid is too much, the adjacent downflow holes and the downflow pipes are designed in a cross flow mode, the water liquid flow path is longer, the gas can be naturally mixed with the gas in the tower body, the better separation effect is improved, the water liquid enters the reboiling tank through the second pipeline, the secondary heating tank is used for carrying out secondary heating on the liquid, the alcohol gas is heated again, the alcohol concentration can be reduced, the alcohol concentration can be purified accurately, the alcohol concentration can be purified, and the alcohol concentration can be improved, and the original alcohol concentration can be purified effectively, and the alcohol concentration can be recovered.
2. In this scheme, the liquid of tower body flows down in the first liquid outlet gets into the second pipeline, then in the reboiling jar is got into through the second inlet, be provided with firing equipment in the reboiling jar, carry out the secondary heating to liquid through firing equipment, make the alcohol evaporation in the liquid obtain secondary gas, secondary gas gets into in the third pipeline through the third gas outlet, then have the return air mouth to retrieve in the tower body again, through above-mentioned cyclic operation, can effectively separate the alcohol composition in the liquid, strengthen the purification effect.
3. In this scheme, drive third bevel gear through the output of second motor and rotate, third bevel gear drives fourth bevel gear and slowly rotates, drives stirring She Huansu at last and rotates, and the stirring leaf constantly slowly stirs the liquid in the reboiling jar, makes it be heated more evenly, improves the evaporation effect.
4. In this scheme, gas gets into the fourth pipeline through first gas outlet, then in the last cavity of main half storehouse is got into by the division board, under the baffle blockked, gas gets into the U-shaped intraductal, the air conditioning import is used for letting in cooling gas, the air conditioning export is used for discharging cooling gas, heat exchange treatment through U-shaped pipe and cooling gas, make the quick velocity of flow of heat in the gas, gas in the U-shaped pipe turns into in the liquid flow to the lower cavity of main half storehouse, finally follow the discharge of third liquid outlet, obtain the alcohol finished product after the purification, the U-shaped pipe flow path is long, cooling efficiency is high, the opposite side fixedly connected with radiator and the fan of vice half storehouse, can accelerate the air flow, avoid the heat of vice half storehouse casing to influence gas condensation efficiency, improve gas condensation rate.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an overall cross-sectional view of the tower of the present invention;
FIG. 3 is a cross-sectional view of the column shell of the present invention;
FIG. 4 is a schematic view of an air intake mechanism according to the present invention;
FIG. 5 is a schematic diagram of the assembly of the lift mechanism and tray mechanism of the present invention;
FIG. 6 is a schematic view of a tray mechanism of the present invention;
FIG. 7 is an exploded view of the lift mechanism of the present invention;
FIG. 8 is an exploded view of FIG. 7A in accordance with the present invention;
FIG. 9 is a cross-sectional view of the reboiling tank of the present invention;
FIG. 10 is an exploded view of the condensing tank of the present invention;
fig. 11 is a cross-sectional view of the condensing tank of the present invention.
The reference numerals in the figures illustrate:
1. a tower body; 101. a first air inlet; 102. a first air outlet; 103. a first liquid outlet; 104. an air return port;
2. an evaporation tank; 201. a first liquid inlet; 202. a second air outlet; 203. a first pipe;
3. a reboiling tank; 301. a second liquid inlet; 302. a third air outlet; 303. a second liquid outlet; 304. a second pipe; 305. a third conduit;
4. a condensing tank; 401. a main half bin; 402. a secondary half bin; 403. a partition plate; 404. a third liquid outlet; 405. a cool air inlet; 406. a cool air outlet; 407. a baffle; 408. a U-shaped tube; 409. a fourth conduit;
5. an air inlet mechanism; 501. a reducer pipe; 502. an annular tube; 503. an air outlet hole;
6. a tray mechanism; 601. a circular tray; 602. a convex filter cover; 603. an overflow weir; 604. a downflow hole; 605. a downcomer;
7. a lifting mechanism; 701. a round frame is arranged; 702. a lower round frame; 703. a ball screw; 704. a screw rod sleeve; 705. an internal gear; 706. a first bevel gear; 707. a first motor; 708. a second bevel gear; 709. a protective shell; 7010. a screw rod sleeve;
9. a stirring mechanism; 901. a second motor; 902. a third bevel gear; 904. stirring the leaves; 905. a fourth bevel gear;
10. a heat sink; 11. a blower.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1 to 11, the technical solution provided in this embodiment is as follows:
the utility model provides a high adjustable cross-flow tray multiple-effect recovery tower, includes tower body 1, evaporation tank 2, air inlet mechanism 5, tray mechanism 6, elevating system 7, reboiling jar 3 and condensation jar 4, wherein: the side part of the tower body 1 is provided with a first air inlet 101 and an air return port 104, the bottom of the tower body is provided with a first liquid outlet 103, and the top of the tower body is provided with a first air outlet 102; the evaporation tank 2 is positioned at the lower side of the tower body 1, a first liquid inlet 201 is arranged at the side part of the evaporation tank 2, a second air outlet 202 is arranged at the top of the evaporation tank, a first pipeline 203 is fixedly connected between the second air outlet 202 and the first air inlet 101, and raw liquid enters the evaporation tank 2 from the first liquid inlet 201 to be evaporated to obtain gas; the air inlet mechanism 5 is arranged in the tower body 1 and is connected with the first pipeline 203 to guide air to uniformly enter the tower body 1; the tray mechanisms 6 are provided with a plurality of groups and are all positioned in the tower body 1, and the gas is separated and treated by the tray mechanisms 6 to obtain purified gas and liquid; the lifting mechanism 7 is arranged in the tower body 1 and is used for synchronously lifting the plurality of groups of tray mechanisms 6 so as to change the buffer space for gas entering the tower body 1; the reboiling tank 3 is arranged at the lower side of the tower body 1 and is used for secondarily evaporating liquid to obtain gas; the condensing tank 4 is provided at the upper side of the tower body 1, and condenses the gas to obtain a finished product.
In the specific embodiment of the invention, the alcohol stock solution enters the evaporation tank 2 from the first liquid inlet 201, high-temperature gas is obtained through evaporation of the evaporation tank 2, the gas enters the air inlet mechanism 5 from the first pipeline 203, then enters the tower body 1 from the air outlet 503 and flows upwards, a plurality of tray mechanisms 6 are designed in a superposition way in the tower body 1, the distances between two adjacent tray mechanisms 6 are the same, the high-temperature gas flows upwards through the convex filter cover 602, the alcohol gas with lower boiling point continues to flow upwards, finally enters the condensation tank 4 from the fourth pipeline 409, the purified alcohol finished product is obtained through condensation of the condensation tank 4, a plurality of tray mechanisms 6 are arranged between the upper circular frame 701 and the lower circular frame 702 during installation, the output end of the first motor 707 drives the second bevel gear 708 to rotate, the second bevel gear 708 drives the inner gear 705 to rotate, the inner gear 705 drives the screw rod sleeve 704 to rotate, finally, the two ball screws 703 are driven to synchronously rotate, the screw rod sleeve 7010 can be lifted under the rotation of the ball screws 703, so that a plurality of tray mechanisms 6 can synchronously lift, the buffer space for gas to enter the tower body 1 can be changed at any time, then the instantaneous pressure change of the gas in the tower body 1 can be regulated, the huge pressure for a large amount of gas to enter can be relieved, simultaneously, the tray mechanisms 6 with different heights can also change the heat and mass exchange of the gas, namely, the separation rate of alcohol gas and water liquid in the gas is regulated, the alcohol gas flows upwards through the convex filter cover 602, the water liquid is continuously accumulated in the round tray 601, the water liquid flows downwards along the down-flow holes 604 and the down-flow pipes 605 when the water liquid is excessive, the adjacent down-flow holes 604 and the down-flow pipes 605 are designed in a cross-flow mode, so that the water liquid flow path is longer, the water liquid can be naturally mixed with the gas in the tower body 1, the better separation effect is improved, the water liquid enters the reboiling tank 3 through the second pipeline 304, the water liquid is subjected to secondary heating through the reboiling tank 3, gas generated by secondary heating returns to the tower body 1 again along the third pipeline 305, secondary separation operation is performed, the purification accuracy of the alcohol stock solution is effectively improved, the alcohol energy loss is reduced, and the alcohol finished product with higher concentration is obtained.
Specifically, the air inlet mechanism 5 includes a reducer pipe 501, an annular pipe 502 and an air outlet 503, the reducer pipe 501 is fixedly connected in the first air inlet 101, one end of the reducer pipe 501 is connected with the first pipeline 203, the annular pipe 502 is fixedly connected with the other end of the reducer pipe 501, the air outlet 503 is arranged at the lower side of the annular pipe 502, and the gas evaporated from the stock solution enters the reducer pipe 501 through the first pipeline 203 and then enters the tower 1 through the air outlet 503.
In the embodiment of the present invention, referring to fig. 4, the gas evaporated by the evaporation tank 2 enters the reducer 501, then enters the annular pipe 502, finally enters the tower 1 through the gas outlet 503, the gas outlet 503 is downward, so that the gas flows downward first, then flows upward naturally under the action of steam property, and is discharged upward in contrast to direct, the flow distance of the gas is increased, and the gas outlet 503 is provided with a plurality of gas outlets, and is uniformly distributed on the lower side of the annular pipe 502, so that the gas is easier to diffuse in the tower 1, the flow distance is more uniform, and the heat exchange separation can be faster.
Specifically, each tray mechanism 6 includes a circular tray 601, a protruding filter cover 602, an overflow weir 603, a downflow hole 604 and a downflow pipe 605, the circular tray 601 is slidably arranged in the tower body 1, the protruding filter cover 602 is uniformly distributed at the top of the circular tray 601, the overflow weir 603 is provided with two downflow holes and is fixedly connected to the lower inner wall of the circular tray 601, the downflow hole 604 is fixedly connected to the bottom of the circular tray 601, and the downflow pipe 605 is arranged at the bottom of the circular tray 601.
In the embodiment of the invention, referring to fig. 6, the protruding filter cover 602 is provided with a plurality of evenly distributed gas flows upwards from the protruding filter cover 602, the whole tray mechanism 6 is made of alloy material, the gas flows from the protruding filter cover 602 to the upper side of the tray mechanism 6, the temperature is reduced through the plurality of layers of protruding filter covers 602, alcohol in the gas continuously flows upwards due to lower boiling point, the moisture in the gas is converted into liquid to remain in the circular tray 601, the remaining liquid is gradually accumulated higher than the overflow weir 603, the circular tray 601 is divided into three areas by the overflow weir 603 along with the downward flow of the downflow hole 604 and the downflow pipe 605, the protruding filter cover 602, the downflow hole 604 and the downflow pipe 605 are respectively arranged in different areas, the protruding filter cover 602 and the downflow pipe 605 are arranged at the positions of two adjacent downflow holes 604, the liquid can not enter the area where the protruding filter cover 602 is positioned, the liquid flows in the area inside the downflow holes 604 and the downflow pipe 605, and the gas is prevented from flowing upwards, and the gas is prevented from flowing normally.
Specifically, the elevating mechanism 7 includes:
an upper circular frame 701 fixedly connected to the inside of the tower body 1;
a lower circular frame 702 fixedly connected to the inside of the tower body 1, and positioned at the lower side of the upper circular frame 701;
the ball screw 703 is provided with two ball screws, each ball screw is rotatably connected between the upper circular frame 701 and the lower circular frame 702, the circumferential surfaces of the ball screws are fixedly connected with screw sleeves 704, the circumferential surfaces of the ball screws are sleeved with a plurality of screw sleeves 7010, and the two screw sleeves 7010 positioned at the same height are fixedly connected to the bottom of the same circular tray 601;
a protective shell 709 fixedly connected to the top of the lower circular frame 702; and
the driving assembly is arranged on the tower body 1 and is used for driving the two ball screws 703 to synchronously rotate, and then driving the tray mechanisms 6 to lift, the driving assembly comprises an inner gear 705, a first bevel gear 706, a first motor 707 and a second bevel gear 708, the inner gear 705 is rotationally connected in the lower circular frame 702, the inner gear 705 is meshed with the two screw rod sleeves 704, the first bevel gear 706 is fixedly connected to the top of the inner gear 705, the first motor 707 is fixedly connected to the side part of the tower body 1, the output end of the first motor 707 extends into the tower body 1, the second bevel gear 708 is fixedly connected to the output end of the first motor 707, and the second bevel gear 708 is meshed with the first bevel gear 706.
In the specific embodiment of the invention, as shown in fig. 7 and 8, two ball screws 703 are rotatably arranged between an upper circular frame 701 and a lower circular frame 702, a first motor 707 is positioned at the outer side of a tower body 1, during operation, an output end of the first motor 707 drives a second bevel gear 708 to rotate, the second bevel gear 708 drives an inner gear 705 to rotate, the inner gear 705 drives a screw sleeve 704 to rotate, finally, the two ball screws 703 are driven to synchronously rotate, a screw sleeve 7010 can be lifted under the rotation of the ball screws 703, a plurality of tray mechanisms 6 can synchronously lift, the buffer space of gas entering the tower body 1 can be changed at any time, then the instantaneous pressure change of the gas in the tower body 1 can be regulated, the huge air pressure of the gas entering can be relieved, meanwhile, the tray mechanisms 6 with different degrees can also change the heat and mass exchange of the gas, namely, the separation rate of alcohol gas and water liquid in the gas is regulated, the second bevel gear 708, the screw sleeve, the inner gear 705 and the first bevel gear 706 are positioned between the lower circular frame 702 and a protective shell, the second bevel gear 708, the first bevel gear 706 and the inner gear 709, the first bevel gear 706 can be sealed with the inner gear 709, the first bevel gear 706 and the protective shell 706 are sealed normally, and the bevel gears 706 are sealed with the first bevel gear 706 and the inner gear 706.
Specifically, the lateral part of reboiling jar 3 is provided with second inlet 301, fixedly connected with second pipeline 304 between second inlet 301 and the first liquid outlet 103, and the bottom of reboiling jar 3 is provided with second outlet 303, and the top of reboiling jar 3 is provided with third gas outlet 302, fixedly connected with third pipeline 305 between third gas outlet 302 and the return air inlet 104, is provided with rabbling mechanism 9 on the reboiling jar 3.
In the specific embodiment of the invention, the liquid in the tower body 1 flows downwards to enter the second pipeline 304 through the first liquid outlet 103, then enters the reboiling tank 3 through the second liquid inlet 301, heating equipment is arranged in the reboiling tank 3, the heating equipment is used for carrying out secondary heating on the liquid, so that the alcohol in the liquid is evaporated to obtain secondary gas, the secondary gas enters the third pipeline 305 through the third air outlet 302, then the secondary gas returns to the tower body 1 again through the air return port 104, and the alcohol component in the liquid can be effectively separated through the circulating operation, so that the purification effect is enhanced.
Specifically, the stirring mechanism 9 includes a second motor 901, a third bevel gear 902, a stirring blade 904 and a fourth bevel gear 905, the second motor 901 is fixedly connected to the top of the reboiling tank 3, the third bevel gear 902 is fixedly connected to the output end of the second motor 901, the stirring blade 904 is rotatably connected to the upper inner wall of the reboiling tank 3, the upper end of the stirring blade 904 penetrates through the reboiling tank 3 and extends upwards, and the fourth bevel gear 905 is fixedly connected to the upper end of the stirring blade 904.
In the specific embodiment of the invention, the stirring blade 904 is positioned in the reboiling tank 3, the output end of the second motor 901 drives the third bevel gear 902 to rotate, the third bevel gear 902 drives the fourth bevel gear 905 to rotate slowly, and finally the stirring blade 904 is driven to rotate slowly, so that the stirring blade 904 continuously and slowly stirs the liquid in the reboiling tank 3, the liquid is heated more uniformly, and the evaporation effect is improved.
Specifically, the condensation tank 4 is formed by splicing a main half bin 401 and an auxiliary half bin 402, a partition plate 403 is arranged at the top of the main half bin 401, a fourth pipeline 409 is fixedly connected between the partition plate 403 and the first air outlet 102, a third liquid outlet 404 is arranged at the bottom of the main half bin 401, the partition plate 403 is fixedly connected between the inner walls of the main half bin 401, the partition plate 403 divides the main half bin 401 into an upper cavity and a lower cavity, a cold air inlet 405 and a cold air outlet 406 are arranged at the top of the auxiliary half bin 402, a baffle 407 is fixedly connected to the joint of the auxiliary half bin 402 close to the main half bin 401, a plurality of U-shaped pipes 408 are fixedly connected to one side of the baffle 407 close to the auxiliary half bin 402, and the U-shaped pipes 408 are communicated with the upper cavity and the lower cavity of the main half bin 401.
In the specific embodiment of the invention, the gas enters the fourth pipeline 409 through the first gas outlet 102, then enters the upper cavity of the main half-bin 401 through the partition plate 403, and enters the U-shaped pipe 408 under the blocking of the baffle plate 407, the cold air inlet 405 is used for introducing cooling gas, the cold air outlet 406 is used for discharging the cooling gas, the U-shaped pipe 408 is made of copper, the heat in the gas flows fast through the heat exchange treatment of the U-shaped pipe 408 and the cooling gas, the gas in the U-shaped pipe 408 is converted into liquid and flows into the lower cavity of the main half-bin 401, and finally is discharged from the third liquid outlet 404, so that the purified alcohol finished product is obtained, the flow path of the U-shaped pipe 408 is long, and the cooling efficiency is high.
Specifically, the other side of the secondary half bin 402 is fixedly connected with a radiator 10 and a fan 11.
In the embodiment of the present invention, the radiator 10 is used to accelerate the heat dissipation of the shell of the secondary half-bin 402, and the fan 11 is started to accelerate the air flow, so that the heat of the shell of the secondary half-bin 402 is prevented from affecting the gas condensation efficiency, and the gas condensation speed is improved.
The working principle or working process of the multi-effect recovery tower with the height-adjustable cross-flow type tray provided by the invention is as follows: alcohol stock solution enters the evaporation tank 2 from the first liquid inlet 201, high-temperature gas is obtained through evaporation of the evaporation tank 2, the gas enters the air inlet mechanism 5 through the first pipeline 203, then enters the tower body 1 through the air outlet 503 and flows upwards, a plurality of tray mechanisms 6 are designed in a superposition mode in the tower body 1, the high-temperature gas flows upwards through the convex filter cover 602, alcohol gas with lower boiling point continues to flow upwards, finally enters the condensation tank 4 through the fourth pipeline 409, purified alcohol finished product is obtained through condensation of the condensation tank 4, the output end of the first motor 707 drives the second bevel gear 708 to rotate, the second bevel gear 708 drives the inner gear 705 to rotate, the inner gear 705 drives the screw sleeve 704 to rotate, finally drives the two ball screws 703 to synchronously rotate, the screw sleeve 7010 can lift under the rotation of the ball screws 703, the tray mechanisms 6 can synchronously lift, the buffer space of the gas entering the tower body 1 can be changed at any time, the instantaneous pressure change of the gas in the tower body 1 can be regulated, the huge pressure of the gas entering can be relieved, meanwhile, the tray mechanisms 6 with different heights can also change the heat and mass exchange of the gas, namely, the separation rate of alcohol gas and water liquid in the gas is regulated, the alcohol gas flows upwards through the convex filter cover 602, the water liquid is continuously piled up in the round tray 601, the water liquid flows downwards along the downflow holes 604 and the downflow pipes 605 when the water liquid is excessive, the adjacent downflow holes 604 and the downflow pipes 605 are designed in a cross-flow way, so that the water liquid flow path is longer, the water liquid can be naturally mixed with the gas inside the tower body 1, the better separation effect is improved, the water liquid enters the reboiling tank 3 from the second pipeline 304, the water liquid is secondarily heated through the reboiling tank 3, the gas generated by secondary heating returns to the tower body 1 along the third pipeline 305 for secondary separation operation, so that the purification accuracy of the alcohol stock solution is effectively improved, the energy loss of alcohol is reduced, and the alcohol finished product with higher concentration is obtained.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a high adjustable cross-flow tray multiple effect recovery tower which characterized in that includes:
the tower body (1) is provided with a first air inlet (101) and an air return port (104) at the side part, a first liquid outlet (103) at the bottom part and a first air outlet (102) at the top part;
the evaporation tank (2) is positioned at the lower side of the tower body (1), a first liquid inlet (201) is formed in the side part of the evaporation tank, a second air outlet (202) is formed in the top of the evaporation tank, a first pipeline (203) is fixedly connected between the second air outlet (202) and the first air inlet (101), and stock solution enters the evaporation tank (2) from the first liquid inlet (201) to be evaporated to obtain gas;
the air inlet mechanism (5) is arranged in the tower body (1) and is connected with the first pipeline (203) to guide air to uniformly enter the tower body (1);
the tray mechanisms (6) are provided with a plurality of groups and are positioned in the tower body (1), and the gas is separated by the tray mechanisms (6) to obtain purified gas and liquid;
the lifting mechanism (7) is arranged in the tower body (1) and is used for synchronously lifting the plurality of groups of tray mechanisms (6) so as to change the buffer space for gas to enter the tower body (1);
the reboiling tank (3) is arranged at the lower side of the tower body (1) and is used for secondarily evaporating the liquid to obtain gas; and
and the condensing tank (4) is arranged on the upper side of the tower body (1) and is used for condensing gas to obtain a finished product.
2. The multi-effect recovery tower of the height-adjustable cross-flow tray according to claim 1, wherein the air inlet mechanism (5) comprises a reducer pipe (501), an annular pipe (502) and an air outlet hole (503), the reducer pipe (501) is fixedly connected in the first air inlet (101), one end of the reducer pipe (501) is connected with the first pipeline (203), the annular pipe (502) is fixedly connected with the other end of the reducer pipe (501), the air outlet holes (503) are all arranged on the lower side of the annular pipe (502), and gas evaporated from stock solution enters the reducer pipe (501) through the first pipeline (203) and then enters the tower body (1) through the air outlet hole (503).
3. The multi-effect recovery tower with height-adjustable cross-flow trays according to claim 2, wherein each tray mechanism (6) comprises a round tray (601), a convex filter cover (602), an overflow weir (603), a flow-down hole (604) and a flow-down pipe (605), the round tray (601) is slidably arranged in the tower body (1), the convex filter covers (602) are uniformly distributed on the top of the round tray (601), the overflow weir (603) is provided with two lower inner walls which are fixedly connected to the round tray (601), the flow-down hole (604) is fixedly connected to the bottom of the round tray (601), and the flow-down pipe (605) is arranged on the bottom of the round tray (601).
4. A height-adjustable cross-flow tray multi-effect recovery column according to claim 3, characterized in that the circular tray (601) is divided into three areas by an overflow weir (603), the convex filter cover (602), the downflow holes (604) and the downflow pipes (605) are respectively arranged in different areas, the convex filter cover (602) is arranged between the convex filter cover (602) and the downflow pipes (605), and two adjacent downflow holes (604) are arranged in a cross-flow way.
5. Height adjustable cross-flow tray multi-effect recovery column according to claim 4, characterized in that the lifting mechanism (7) comprises:
an upper round frame (701) which is fixedly connected in the tower body (1);
the lower circular frame (702) is fixedly connected in the tower body (1) and is positioned at the lower side of the upper circular frame (701);
the ball screws (703) are arranged, are respectively and rotatably connected between the upper circular frame (701) and the lower circular frame (702), are respectively and fixedly connected with screw rod sleeves (704) on the circumferential surfaces, are respectively and rotatably sleeved with a plurality of screw rod sleeves (7010), and are positioned at the same height, and the two screw rod sleeves (7010) are fixedly connected to the bottoms of the same circular tray (601);
a protective shell (709) fixedly connected to the top of the lower circular frame (702); and
the driving assembly is arranged on the tower body (1) and is used for driving the two ball screws (703) to synchronously rotate so as to drive the tray mechanisms (6) to lift.
6. The multi-effect recovery tower of height-adjustable cross-flow trays of claim 5, wherein the drive assembly comprises an inner gear (705), a first bevel gear (706), a first motor (707) and a second bevel gear (708), wherein the inner gear (705) is rotatably connected in the lower circular frame (702), the inner gear (705) is meshed with the two screw sleeves (704), the first bevel gear (706) is fixedly connected to the top of the inner gear (705), the first motor (707) is fixedly connected to the side of the tower body (1), the output end of the first motor (707) extends into the tower body (1), the second bevel gear (708) is fixedly connected to the output end of the first motor (707), and the second bevel gear (708) is meshed with the first bevel gear (706).
7. The multi-effect recovery tower of the height-adjustable cross-flow tray according to claim 6, wherein a second liquid inlet (301) is formed in the side portion of the reboiling tank (3), a second pipeline (304) is fixedly connected between the second liquid inlet (301) and the first liquid outlet (103), a second liquid outlet (303) is formed in the bottom of the reboiling tank (3), a third air outlet (302) is formed in the top of the reboiling tank (3), a third pipeline (305) is fixedly connected between the third air outlet (302) and the air return port (104), and a stirring mechanism (9) is arranged on the reboiling tank (3).
8. The multi-effect recovery tower of the height-adjustable cross-flow tray according to claim 7, wherein the stirring mechanism (9) comprises a second motor (901), a third bevel gear (902), a stirring blade (904) and a fourth bevel gear (905), the second motor (901) is fixedly connected to the top of the reboiling tank (3), the third bevel gear (902) is fixedly connected to the output end of the second motor (901), the stirring blade (904) is rotatably connected to the upper inner wall of the reboiling tank (3), the upper end of the stirring blade (904) penetrates through the reboiling tank (3) and extends upwards, and the fourth bevel gear (905) is fixedly connected to the upper end of the stirring blade (904).
9. The multi-effect recovery tower of height-adjustable cross-flow trays according to claim 8, wherein the condensing tank (4) is formed by splicing a main half bin (401) and a secondary half bin (402), a partition plate (403) is arranged at the top of the main half bin (401), a fourth pipeline (409) is fixedly connected between the partition plate (403) and the first air outlet (102), a third liquid outlet (404) is arranged at the bottom of the main half bin (401), a partition plate (403) is fixedly connected between the inner walls of the main half bin (401), the partition plate (403) divides the main half bin (401) into an upper cavity and a lower cavity, a cold air inlet (405) and a cold air outlet (406) are arranged at the top of the secondary half bin (402), a baffle (407) is fixedly connected to the joint of the secondary half bin (401), a plurality of U-shaped pipes (408) are fixedly connected to one side of the baffle (407) close to the secondary half bin (402), and the U-shaped pipes (408) are communicated with the upper cavity and the lower cavity of the main half bin (401).
10. The multi-effect recovery tower of height-adjustable cross-flow trays of claim 9, wherein a radiator (10) and a fan (11) are fixedly connected to the other side of the secondary half-bin (402).
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| CN202310553751.5A CN116474403B (en) | 2023-05-16 | 2023-05-16 | Height-adjustable cross-flow type tray multi-effect recovery tower |
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| CN202310553751.5A CN116474403B (en) | 2023-05-16 | 2023-05-16 | Height-adjustable cross-flow type tray multi-effect recovery tower |
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