CN213790037U - Double-stage rectifying tower for low-temperature heat pump rectification - Google Patents
Double-stage rectifying tower for low-temperature heat pump rectification Download PDFInfo
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- CN213790037U CN213790037U CN202022603523.9U CN202022603523U CN213790037U CN 213790037 U CN213790037 U CN 213790037U CN 202022603523 U CN202022603523 U CN 202022603523U CN 213790037 U CN213790037 U CN 213790037U
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- heat pump
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Abstract
The utility model relates to a rectifying column technical field just discloses a doublestage rectifying column for cryogenic heat pump rectification, which comprises a tank body, the top intercommunication of the jar body has the discharge pipe, the bottom intercommunication of the jar body has first drain pipe, the outside fixed mounting of the jar body has the skirt, the inside fixed mounting of the jar body has first grid plate, the inside of the jar body and the top fixed mounting who is located first grid plate have first filler, the inside fixed mounting of the jar body has the second grid plate that is located first filler top, the inside of the jar body and the top fixed mounting who is located the second grid plate have the second filler, the inside fixed mounting of the jar body has the stop circle that is located second grid plate below. The double-stage rectifying tower for low-temperature heat pump rectification has a stable and reasonable structure, can carry out single-stage and double-stage rectification operation on mixed gas, can effectively save equipment acquisition cost and the cost of a gas circulation pipeline, and improves gas separation efficiency.
Description
Technical Field
The utility model relates to a rectifying column technical field specifically is a doublestage rectifying column for cryogenic heat pump rectification.
Background
The rectifying tower is a tower-type gas-liquid contact device for rectification, and utilizes the property that all the components in the mixture have different volatilities, i.e. the vapor pressures of all the components are different at the same temperature, so that the light component (low-boiling-point substance) in the liquid phase is transferred into the gas phase, and the heavy component in the gas phase is transferred into the liquid phase, so that the separation purpose is realized.
The traditional rectifying tower can only carry out single-stage rectification on gas materials, and a plurality of rectifying towers are required to be used for separating when a plurality of gases in a mixer are required to be separated, so that the equipment and pipeline cost is increased, the production efficiency is reduced, and the double-stage rectifying tower for low-temperature heat pump rectification is provided to solve the problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a doublestage rectifying column for cryogenic heat pump rectification to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a double-stage rectifying tower for low-temperature heat pump rectification comprises a tank body, wherein the top of the tank body is communicated with a discharge pipe, the bottom of the tank body is communicated with a first discharge pipe, the outside of the tank body is fixedly provided with a skirt, the inside of the tank body is fixedly provided with a first grid plate, the inside of the tank body and the top of the first grid plate are fixedly provided with a first filler, the inside of the tank body is fixedly provided with a second grid plate positioned above the first filler, the inside of the tank body and the top of the second grid plate are fixedly provided with a second filler, the inside of the tank body is fixedly provided with a blocking ring positioned below the second grid plate, the inside of the tank body is fixedly provided with a fixed cylinder positioned below the blocking ring, the inside of the fixed cylinder is fixedly provided with a liquid collecting plate, the inside of the tank body is fixedly provided with a collecting plate positioned below the liquid collecting plate, the left side intercommunication of the jar body has and is located the left second fluid-discharge tube of collection board, the inside fixed mounting of the jar body has quantity to be two and is located the go-between of first filler and second filler top respectively, the inside fixed mounting of go-between has the distributing plate, the inside fixed mounting of the jar body has the shunt tubes that extends to the inside of distributing plate, the right side fixed mounting of the jar body has the right side of running through the jar body and the first feed liquor pipe that communicates with the shunt tubes in bottom, the right side fixed mounting of the jar body has the second feed liquor pipe that runs through the right side of the jar body and communicate with the shunt tubes in top, the right side intercommunication of the jar body has the inlet pipe.
As a further aspect of the present invention: the skirt is in cylindrical arrangement, and the bottom of the tank body is in semi-spherical arrangement.
As a further aspect of the present invention: the liquid collecting plates are divided into two groups, and the two groups of liquid collecting plates are distributed in a vertically staggered mode.
As a further aspect of the present invention: the inside fixed mounting of a fixed section of thick bamboo has the mount with album liquid board welded, the transversal V style of calligraphy setting of personally submitting of album liquid board.
As a further aspect of the present invention: the quantity of shunt tubes is four and respectively with first feed liquor pipe and second feed liquor pipe intercommunication, the bottom intercommunication of shunt tubes has the tubule that extends to the inside of distributing plate.
As a further aspect of the present invention: the distribution plate is U type setting, the through-hole of equidistant distribution is all seted up to the left and right sides of distribution plate.
As a further aspect of the present invention: the collecting plate is arranged in an annular shape, and the inner diameter of the collecting plate is smaller than the length of the longest liquid collecting plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the double-stage rectifying tower for low-temperature heat pump rectification is characterized in that when single-stage rectification is carried out, mixed gas enters through the feeding pipe, the mixed gas enters into the inside of a first filler through a first grid plate, a first liquid inlet pipe enters a refrigerant, the refrigerant enters a distribution plate through two shunt tubes at the bottom and is dispersed into the first filler through the distribution plate, heat exchange is carried out between the refrigerant and the mixed gas, the gas to be removed in the mixed gas is cooled to a condensation point and becomes liquid which sinks along with the refrigerant, the rectified gas is discharged through a discharge pipe, the refrigerant with condensed gas is discharged through a first liquid discharge pipe, when multi-stage rectification is carried out, the mixed gas after primary rectification rises, the refrigerant with lower temperature enters into a second liquid inlet pipe, the refrigerant exchanges heat with the mixed gas again through a second filler, and the refrigerant drives the condensed gas to be condensed to enter into a collecting plate through the liquid collecting plate, and the gas is discharged through the second liquid discharge pipe, the rectifying tower has a stable and reasonable structure, can carry out single-stage and double-stage rectification operation on the mixed gas, can effectively save the equipment acquisition cost and the cost of a gas circulation pipeline, and improves the gas separation efficiency.
Drawings
FIG. 1 is a schematic diagram of a dual stage rectification column for cryogenic heat pump rectification;
FIG. 2 is a front elevation view of a dual stage rectification column for cryogenic heat pump rectification;
fig. 3 is a schematic diagram of a connecting ring in a dual-stage rectification column for cryogenic heat pump rectification.
In the figure: 1. a tank body; 2. a discharge pipe; 3. a first drain pipe; 4. a skirt; 5. a first grid plate; 6. a first filler; 7. a second grid plate; 8. a second filler; 9. a blocking ring; 10. a fixed cylinder; 11. a liquid collecting plate; 12. a collection plate; 13. a second drain pipe; 14. a connecting ring; 15. a distribution plate; 16. a shunt tube; 17. a first liquid inlet pipe; 18. a second liquid inlet pipe; 19. and (4) feeding a pipe.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present invention, a two-stage rectification column for cryogenic heat pump rectification includes a tank 1, a discharge pipe 2 is communicated with the top of the tank 1, a first discharge pipe 3 is communicated with the bottom of the tank 1, a skirt 4 is fixedly installed outside the tank 1, the skirt 4 is arranged in a cylindrical shape, the bottom of the tank 1 is arranged in a semi-spherical shape, a first grid plate 5 is fixedly installed inside the tank 1, a first packing 6 is fixedly installed inside the tank 1 and on the top of the first grid plate 5, a second grid plate 7 is fixedly installed inside the tank 1 and on the top of the first packing 6, a second packing 8 is fixedly installed inside the tank 1 and on the top of the second grid plate 7, a blocking ring 9 is fixedly installed inside the tank 1 and on the blocking ring 9, a fixed cylinder 10 is fixedly installed inside the tank 1 and on the blocking ring 9, the inside of the fixed cylinder 10 is fixedly provided with a liquid collecting plate 11, the number of the liquid collecting plates 11 is a plurality of and divided into two groups, the two groups of the liquid collecting plates 11 are distributed in a vertically staggered manner, the inside of the fixed cylinder 10 is fixedly provided with a fixed frame welded with the liquid collecting plates 11, the cross section of the liquid collecting plates 11 is arranged in a V shape, the inside of the tank body 1 is fixedly provided with a collecting plate 12 positioned below the liquid collecting plates 11, the collecting plate 12 is arranged in a ring shape, the inner diameter of the collecting plate 12 is smaller than the length of the longest liquid collecting plate 11, the left side of the tank body 1 is communicated with a second liquid discharge pipe 13 positioned at the left side of the collecting plate 12, the inside of the tank body 1 is fixedly provided with two connecting rings 14 which are respectively positioned above the first filler 6 and the second filler 8, the inside of the connecting rings 14 is fixedly provided with a distributing plate 15, the distributing plate 15 is arranged in a U shape, the left side and the right side of the distributing plate 15 are both provided with through holes distributed at equal intervals, the inside of the tank body 1 is fixedly provided with shunt pipes 16 extending to the distributing plate 15, a first liquid inlet pipe 17 which penetrates through the right side of the tank body 1 and is communicated with a bottom shunt pipe 16 is fixedly arranged on the right side of the tank body 1, a second liquid inlet pipe 18 which penetrates through the right side of the tank body 1 and is communicated with a top shunt pipe 16 is fixedly arranged on the right side of the tank body 1, the number of the shunt pipes 16 is four, the shunt pipes are respectively communicated with the first liquid inlet pipe 17 and the second liquid inlet pipe 18, the bottom of the shunt pipes 16 is communicated with thin pipes which extend to the inside of a distribution plate 15, a feed pipe 19 is communicated with the right side of the tank body 1, mixed gas enters the inside of a first filler 6 through a first grid plate 5 when single-stage rectification is carried out, the first liquid inlet pipe 17 enters refrigerant, the refrigerant enters the distribution plate 15 through the two shunt pipes 16 at the bottom and is dispersed into the first filler 6 through the distribution plate 15 to exchange heat with the mixed gas, so that the gas to be removed in the mixed gas is cooled to a condensation point, become liquid and sink along with the refrigerant, the gas of rectification will be discharged through discharge pipe 2, the refrigerant that has condensing gas discharges through first drain pipe 3, when carrying out multistage rectification, the gas mixture through once rectification rises, get into the lower refrigerant of temperature by second feed liquor pipe 18, the refrigerant packs 8 through the second and carries out the heat transfer once more with the gas mixture, the refrigerant drives the condensing needs condensing gas and passes through collection liquid board 11 entering and collect board 12, and discharge through second drain pipe 13, this rectifying column stable in structure is reasonable, can carry out single-stage and doublestage rectification operation to the gas mixture, can effectively save the cost of equipment acquisition cost and gas circulation pipeline, gas separation efficiency has been improved.
The utility model discloses a theory of operation is: during single-stage rectification, mixed gas enters through the feeding pipe 19, the mixed gas enters the inside of the first filler 6 through the first grid plate 5, the first liquid inlet pipe 17 enters a refrigerant, the refrigerant enters the distribution plate 15 through the two shunt tubes 16 at the bottom and is dispersed into the first filler 6 through the distribution plate 15 to exchange heat with the mixed gas, so that the gas to be removed in the mixed gas is cooled to a condensation point and becomes liquid and sinks along with the refrigerant, the rectified gas is discharged through the discharge pipe 2, the refrigerant with condensed gas is discharged through the first discharge pipe 3, during multi-stage rectification, the mixed gas after primary rectification rises, the refrigerant with lower temperature enters the refrigerant through the second liquid inlet pipe 18, the refrigerant exchanges heat with the mixed gas again through the second filler 8, the refrigerant drives the condensed gas to be condensed to enter the collecting plate 12 through the liquid collecting plate 11 and is discharged through the second discharge pipe 13, the rectifying tower has stable and reasonable structure, can carry out single-stage and double-stage rectification operation on the mixed gas, can effectively save the equipment acquisition cost and the cost of a gas circulation pipeline, and improves the gas separation efficiency.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A double-stage rectifying tower for low-temperature heat pump rectification comprises a tank body (1) and is characterized in that the top of the tank body (1) is communicated with a discharge pipe (2), the bottom of the tank body (1) is communicated with a first discharge pipe (3), a skirt base (4) is fixedly installed outside the tank body (1), a first grid plate (5) is fixedly installed inside the tank body (1), a first filler (6) is fixedly installed inside the tank body (1) and positioned at the top of the first grid plate (5), a second grid plate (7) positioned above the first filler (6) is fixedly installed inside the tank body (1), a second filler (8) is fixedly installed inside the tank body (1) and positioned at the top of the second grid plate (7), and a blocking ring (9) positioned below the second grid plate (7) is fixedly installed inside the tank body (1), the utility model discloses a liquid storage tank, including the jar body (1), the inside fixed mounting of the jar body has a fixed cylinder (10) that is located the stopping ring (9) below, the inside fixed mounting of the fixed cylinder (10) has a liquid collecting plate (11), the inside fixed mounting of the jar body (1) has a collection plate (12) that is located liquid collecting plate (11) below, the left side intercommunication of the jar body (1) has a second fluid-discharge tube (13) that is located the left side of collection plate (12), the inside fixed mounting of the jar body (1) has quantity be two and be located the go-between (14) above first filler (6) and second filler (8) respectively, the inside fixed mounting of the go-between (14) has a distributing plate (15), the inside fixed mounting of the jar body (1) has shunt tubes (16) that extend to distributing plate (15) inside, the right side fixed mounting of the jar body (1) has a first feed liquor pipe (17) that runs through the right side of the jar body (1) and communicate with bottom shunt tube (16), the right side fixed mounting of the jar body (1) has second feed liquor pipe (18) that runs through the right side of the jar body (1) and communicate with top shunt tubes (16), the right side intercommunication of the jar body (1) has inlet pipe (19).
2. The two-stage rectification column for cryogenic heat pump rectification according to claim 1 characterized in that the skirt (4) is cylindrical in shape and the bottom of the tank (1) is semi-spherical in shape.
3. The double-stage rectification column for cryogenic heat pump rectification as claimed in claim 1 wherein the number of the liquid collection plates (11) is plural and divided into two groups, and the two groups of the liquid collection plates (11) are distributed in a staggered manner.
4. The two-stage rectification tower for cryogenic heat pump rectification according to claim 1, wherein a fixed frame welded with the liquid collecting plate (11) is fixedly installed inside the fixed cylinder (10), and the cross section of the liquid collecting plate (11) is arranged in a V shape.
5. The double-stage rectification column for cryogenic heat pump rectification as claimed in claim 1, characterized in that the number of the flow dividing pipes (16) is four and the flow dividing pipes are respectively communicated with the first liquid inlet pipe (17) and the second liquid inlet pipe (18), and the bottoms of the flow dividing pipes (16) are communicated with thin pipes extending to the inside of the distribution plate (15).
6. The double-stage rectifying tower for cryogenic heat pump rectification according to claim 1, wherein the distribution plate (15) is arranged in a U shape, and through holes are formed in the left side and the right side of the distribution plate (15) and are distributed at equal intervals.
7. The dual-stage rectification column for cryogenic heat pump rectification of claim 1 wherein the collector plates (12) are arranged in a ring shape, the inner diameter of the collector plates (12) being smaller than the length of the longest collector plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022603523.9U CN213790037U (en) | 2020-11-12 | 2020-11-12 | Double-stage rectifying tower for low-temperature heat pump rectification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022603523.9U CN213790037U (en) | 2020-11-12 | 2020-11-12 | Double-stage rectifying tower for low-temperature heat pump rectification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213790037U true CN213790037U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022603523.9U Active CN213790037U (en) | 2020-11-12 | 2020-11-12 | Double-stage rectifying tower for low-temperature heat pump rectification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213790037U (en) |
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2020
- 2020-11-12 CN CN202022603523.9U patent/CN213790037U/en active Active
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