CN211451553U - Low-temperature liquid reverse-filling air separation tower device - Google Patents
Low-temperature liquid reverse-filling air separation tower device Download PDFInfo
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- CN211451553U CN211451553U CN201922318640.8U CN201922318640U CN211451553U CN 211451553 U CN211451553 U CN 211451553U CN 201922318640 U CN201922318640 U CN 201922318640U CN 211451553 U CN211451553 U CN 211451553U
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- air separation
- separation column
- communicating pipe
- liquid reverse
- filling air
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Abstract
The utility model discloses a low-temperature liquid reverse-filling air separation tower device, which comprises an air separation tower and a box body; a quantitative conveying mechanism and a storage cavity are arranged in the box body; the inner wall of the storage cavity is provided with a heat insulation layer, and a charging opening is arranged above the storage cavity; a first communicating pipe is connected below the storage cavity, the first communicating pipe is communicated with a cylinder body included by the quantitative conveying mechanism, the bottom of the cylinder body is connected with a second communicating pipe, and the second communicating pipe is connected with the air separation tower; through setting up the box in the air separation column outside to set up in the box and store the chamber and store the coolant, carry the coolant to the air separation column through quantitative conveying mechanism, guarantee that the air separation column enough coolant is cooled down when intermittent type uses, improve the productivity of air separation column, save time, further practiced thrift electric power resource.
Description
Technical Field
The utility model belongs to the technical field of the air separation, especially, relate to a low temperature liquid reverse-filling air separation column device.
Background
The low-temperature air separation method is a method for liquefying air by a series of technological processes by utilizing different boiling points of components in the air and separating different components by rectification, and the low-temperature air separation method is used for firstly liquefying the air and then separating the air according to different boiling points of oxygen and nitrogen; the air liquefaction must reduce the temperature to below-140.6 ℃; air separation is generally carried out at a temperature ranging from-172 ℃ to-194 ℃; the low-temperature air separation equipment consists of the following four parts: compressing and expanding air for refrigeration; removing moisture, impurities and the like in the air; cooling and liquefying the air through heat exchange; air rectification and separation; and (5) recovering and compressing cold energy of the low-temperature product.
When the air separation plant utilizes air for expansion refrigeration, the air separation plant needs to compress air and needs to use a quantitative refrigerant to maintain operation; however, when the air separation plant starts to operate or needs to be examined for temperature rise or temperature reduction, a large amount of refrigerants are needed to cool the air separation tower, so that air separation is realized.
In the prior art, chinese patent application No. 201720554819.1 discloses an air separation column without longitudinal welds; the traditional air separation tower cylinder is formed by curling and welding steel plates, the process steps are complex, at least one longitudinal welding line exists, and the number of circumferential welding lines is large. The increase of the number of welding lines not only increases the detection times of nondestructive inspection, but also causes the cylinder to be easy to deform because the welding lines are easy to shrink, thereby influencing the filling of the packing layer.
Among the above-mentioned technical scheme, when beginning to carry out air separation, production cycle is long, and equipment temperature descends slowly, influences output efficiency.
Chinese patent application No. 201580008381.0 discloses in the prior art an apparatus for separating air by means of cryogenic distillation, said apparatus comprising a medium-pressure column and a low-pressure column, but not comprising a column for producing argon, said low-pressure column comprising at least four distillation sections, wherein at least a first intermediate distillation section of the low-pressure column is surrounded by an auxiliary casing, around which a space is defined, which space is divided in the radial direction of the column into a lower section and an upper section, said one or more intermediate sections being positioned in an intermediate portion of the low-pressure column, the capacity of the first intermediate section being greater than the capacity of at least one adjacent section.
Among the above-mentioned prior art, adopt many segmentation air separation tower structures, the tower body is bulky, and the initial cooling degree of difficulty is big, and it is big to need cold volume, and it is more to consume the electric energy to supply equipment operation.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to provide a cryogenic liquids is anti-irritated air separation column device is through setting up the box in the air separation column outside to set up in the box and store the chamber and store the coolant, carry the coolant to the air separation column through quantitative conveying mechanism, guarantee that the air separation column enough coolant of volume cools down when intermittent type uses, improve the productivity of air separation column, save time has further practiced thrift electric power resource.
The utility model provides a following technical scheme:
a low-temperature liquid reverse-filling air separation tower device comprises an air separation tower and a box body; a quantitative conveying mechanism and a storage cavity are arranged in the box body; the inner wall of the storage cavity is provided with a heat insulation layer, and a charging opening is arranged above the storage cavity; the below of storing the chamber is connected with first communicating pipe, first communicating pipe with the barrel intercommunication that quantitative conveying mechanism includes, the barrel bottom is connected with second communicating pipe, second communicating pipe with the air separation column is connected.
Preferably, the quantitative conveying mechanism comprises a servo motor, the servo motor is connected with a rotating shaft, and the rotating shaft penetrates through the top of the cylinder and is rotatably connected with the cylinder; the other end of the rotating shaft is connected with a coupler, and the other end of the coupler is connected with a screw rod; the lead screw runs through the fixed block, the central point of fixed block puts and has seted up the through-hole, just the internal thread has been seted up to the through-hole inner wall, the lead screw rotates with the internal thread cooperation and is connected.
Preferably, the piston block is made of rubber, and can be effectively sealed.
Preferably, the heat-insulating layer on the inner wall of the storage cavity is a foam heat-insulating layer for insulating the coolant.
Preferably, two fixing rods are connected to two sides of one end, far away from the coupler, of each fixing block, and sliding grooves are formed in the inner sides of the fixing rods.
Preferably, the other end of lead screw is connected with the stopper, the both sides arm of stopper all is connected with the slider, slider and spout match sliding connection.
Preferably, the other ends of the two fixing rods are connected with piston blocks, and the cross sections of the piston blocks are of arc structures.
Preferably, the fixed block and the piston block are in sliding connection with the inner wall of the cylinder.
Preferably, the cylinder is a sealing structure, and a sealing rubber ring is arranged at the joint of the cylinder and the rotating shaft.
Preferably, the first communicating pipe is provided with a first valve; the second communicating pipe is provided with a second valve.
In addition, when the air separation tower is used, the piston block is driven to ascend through the servo motor, the first valve is opened, quantitative coolant enters the cylinder, then the first valve is closed, the second valve is opened, the piston block is driven to descend through the servo motor, the quantitative coolant is sent into the air separation tower, the temperature in the air separation tower is reduced, and the generation of nitrogen and oxygen can be accelerated.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model relates to an air separation column device is irritated to cryogenic liquids is anti-through setting up the box in the air separation column outside to set up in the box and store the chamber and store the coolant, carry the coolant to the air separation column through quantitative conveying mechanism, guarantee that the air separation column enough coolant of volume is cooled down when intermittent type uses, improve the productivity of air separation column, save time has further practiced thrift electric energy resource.
(2) The utility model relates to a low temperature liquid air separation column device of irritating backward, drive the piston piece through servo motor and descend, send quantitative coolant into the air separation column in, reduce the inside temperature of air separation column, can further accelerate the formation of nitrogen gas and oxygen, lifting efficiency.
(3) The utility model relates to a low temperature liquid reverse filling air separation column device, easy operation does not influence air separation column inner structure, and convenient to use promotes the accurate nature of coolant make-up volume.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the quantitative conveying mechanism of the present invention.
In the figure: 1. an air separation column; 2. a box body; 3. a quantitative conveying mechanism; 4. a storage chamber; 5. a first communication pipe; 6. a first valve; 7. a second communicating pipe; 8. a second valve; 9. a feed inlet; 10. a servo motor; 11. a barrel; 12. a rotating shaft; 13. a coupling; 14. a screw rod; 15. a fixed block; 16. fixing the rod; 17. a chute; 18. a limiting block; 19. a slider; 20. a piston block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some 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 work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
As shown in FIG. 1, a cryogenic liquid reverse-filling air separation column device comprises an air separation column 1 and a box body 2; a quantitative conveying mechanism 3 and a storage cavity 4 are arranged in the box body 2; the inner wall of the storage cavity 4 is provided with a heat insulation layer, and a charging opening 9 is arranged above the storage cavity 4; the below of storage chamber 4 is connected with first communicating pipe 5, first communicating pipe 5 with barrel 11 intercommunication that quantitative conveying mechanism 3 includes, barrel 11 bottom is connected with second communicating pipe 7, second communicating pipe 7 with air separation column 1 is connected.
Example two:
as shown in fig. 1-2, a cryogenic liquid reverse-filling air separation column device comprises an air separation column 1 and a box body 2; a quantitative conveying mechanism 3 and a storage cavity 4 are arranged in the box body 2; the inner wall of the storage cavity 4 is provided with a heat insulation layer, and a charging opening 9 is arranged above the storage cavity 4; the below of storage chamber 4 is connected with first communicating pipe 5, first communicating pipe 5 with barrel 11 intercommunication that quantitative conveying mechanism 3 includes, barrel 11 bottom is connected with second communicating pipe 7, second communicating pipe 7 with air separation column 1 is connected.
The quantitative conveying mechanism 3 comprises a servo motor 10, the servo motor 10 is connected with a rotating shaft 12, and the rotating shaft 12 penetrates through the top of the cylinder 11 and is rotatably connected with the cylinder 11; the other end of the rotating shaft 12 is connected with a coupler 13, and the other end of the coupler 13 is connected with a screw rod 14; the screw rod 14 penetrates through the fixing block 15, a through hole is formed in the center of the fixing block 15, an internal thread is formed in the inner wall of the through hole, and the screw rod 14 is matched with the internal thread to be in rotating connection.
The piston block 20 is made of rubber and can be effectively sealed.
The heat preservation layer of the inner wall of the storage cavity 4 is a foam heat preservation layer and is used for preserving heat of the coolant.
Two fixing rods 16 are connected to two sides of one end, far away from the coupler 13, of the fixing block 15, and sliding grooves 17 are formed in the inner sides of the fixing rods 16.
The other end of lead screw 14 is connected with stopper 18, the both sides arm of stopper 18 all is connected with slider 19, slider 19 matches sliding connection with spout 17.
The other end of the two fixing rods 16 is connected with a piston block 20, and the cross section of the piston block 20 is of an arc structure.
The fixed block 15 and the piston block 20 are both connected with the inner wall of the cylinder 11 in a sliding manner.
The barrel 11 is a sealing structure, and a sealing rubber ring is arranged at the joint of the barrel 11 and the rotating shaft 12.
The first communicating pipe 5 is provided with a first valve 6; the second communicating pipe 7 is provided with a second valve 8.
When the device obtained by the technical scheme is a low-temperature liquid reverse-filling air separation tower device, a piston block 20 is driven to ascend through a servo motor 10, a first valve 6 is opened to enable quantitative coolant to enter a cylinder 11, then the first valve 6 is closed, a second valve 8 is opened, the piston block 20 is driven to descend through the servo motor 10, the quantitative coolant is sent into an air separation tower 1, the temperature in the air separation tower 1 is reduced, and the generation of nitrogen and oxygen can be accelerated; through set up box 2 in air separation column 1 outside to set up storage chamber 4 in box 2 and store the coolant, carry the coolant to air separation column 1 through quantitative conveying mechanism 3, guarantee that air separation column 1 enough quantity of coolant is cooled down when intermittent type uses, improve air separation column 1's productivity, save time, further practiced thrift electric energy resource.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A cryogenic liquid reverse-filling air separation tower device comprises an air separation tower (1) and a box body (2); it is characterized in that a quantitative conveying mechanism (3) and a storage cavity (4) are arranged in the box body (2); the inner wall of the storage cavity (4) is provided with a heat-insulating layer, and a charging opening (9) is arranged above the storage cavity (4); the below of storing chamber (4) is connected with first communicating pipe (5), first communicating pipe (5) with barrel (11) intercommunication that quantitative conveying mechanism (3) included, barrel (11) bottom is connected with second communicating pipe (7), second communicating pipe (7) with air separation column (1) are connected.
2. The cryogenic liquid reverse filling air separation column device according to claim 1, wherein the quantitative conveying mechanism (3) comprises a servo motor (10), a rotating shaft (12) is connected to the servo motor (10), and the rotating shaft (12) penetrates through the top of the cylinder (11) and is rotatably connected with the cylinder (11); the other end of the rotating shaft (12) is connected with a coupler (13), and the other end of the coupler (13) is connected with a screw rod (14); the screw rod (14) penetrates through the fixing block (15), a through hole is formed in the center of the fixing block (15), an internal thread is formed in the inner wall of the through hole, and the screw rod (14) is matched with the internal thread to be rotatably connected.
3. The cryogenic liquid reverse filling air separation column device according to claim 2, wherein two fixing rods (16) are connected to two sides of one end of the fixing block (15) far away from the coupler (13), and sliding grooves (17) are formed in the inner sides of the two fixing rods (16).
4. The cryogenic liquid reverse filling air separation column device according to claim 2 or 3, wherein a limiting block (18) is connected to the other end of the screw rod (14), sliding blocks (19) are connected to two side arms of the limiting block (18), and the sliding blocks (19) are in matched sliding connection with the sliding grooves (17).
5. The cryogenic liquid reverse-filling air separation column device according to claim 3, wherein the other ends of the two fixing rods (16) are connected with piston blocks (20), and the cross section of each piston block (20) is of an arc structure.
6. The cryogenic liquid reverse filling air separation column device according to claim 2 or 5, wherein the fixed block (15) and the piston block (20) are both connected with the inner wall of the cylinder (11) in a sliding manner.
7. The cryogenic liquid reverse filling air separation column device according to claim 1 or 2, wherein the cylinder (11) is a sealing structure, and a sealing rubber ring is arranged at the joint of the cylinder (11) and the rotating shaft (12).
8. Cryogenic liquid reverse-filling air separation column unit according to claim 1, wherein the first communication pipe (5) is provided with a first valve (6); and the second communicating pipe (7) is provided with a second valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922318640.8U CN211451553U (en) | 2019-12-23 | 2019-12-23 | Low-temperature liquid reverse-filling air separation tower device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922318640.8U CN211451553U (en) | 2019-12-23 | 2019-12-23 | Low-temperature liquid reverse-filling air separation tower device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211451553U true CN211451553U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922318640.8U Expired - Fee Related CN211451553U (en) | 2019-12-23 | 2019-12-23 | Low-temperature liquid reverse-filling air separation tower device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211451553U (en) |
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2019
- 2019-12-23 CN CN201922318640.8U patent/CN211451553U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20211223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |