CN219323868U - Centrifugal separation's ammonia vaporization system - Google Patents
Centrifugal separation's ammonia vaporization system Download PDFInfo
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- CN219323868U CN219323868U CN202121055325.1U CN202121055325U CN219323868U CN 219323868 U CN219323868 U CN 219323868U CN 202121055325 U CN202121055325 U CN 202121055325U CN 219323868 U CN219323868 U CN 219323868U
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Abstract
The utility model belongs to the technical field of ammonia refrigeration, and particularly relates to a centrifugal separation ammonia evaporation system, which comprises an evaporator, a liquid ammonia evaporator and a liquid ammonia evaporator, wherein the evaporator is used for converting liquid ammonia into gaseous ammonia; the device comprises a compressor, a centrifugal chamber, a liquid ammonia input pipe, a liquid ammonia output pipe and a separator, wherein the centrifugal chamber is arranged in the separator, the liquid ammonia input pipe, the liquid ammonia output pipe and the liquid ammonia input pipe are communicated with the centrifugal chamber, the liquid ammonia input pipe is communicated with the evaporator and used for conveying liquid ammonia converted by the evaporator into the centrifugal chamber, the centrifugal chamber is used for centrifugally separating the liquid ammonia converted by the evaporator to separate the mixed liquid ammonia from the liquid ammonia, the liquid ammonia output pipe is used for conveying the centrifugally separated liquid ammonia to the compressor, and the liquid ammonia output pipe is communicated with the evaporator and used for conveying the centrifugally separated liquid ammonia to the evaporator. The ammonia evaporation system provided by the utility model replaces the gravity field in gravity separation with the centrifugal field, and the separation factor is far greater than that of gravity separation, so that the volume of an ammonia separation device can be reduced, and the storage amount of ammonia can be reduced.
Description
Technical Field
The utility model belongs to the technical field of ammonia refrigeration, and particularly relates to a centrifugal separation ammonia evaporation system.
Background
The ammonia refrigerating system utilizes the evaporation and absorption heat of the liquid ammonia to achieve the aim of refrigeration, and as the return air after the evaporation of the liquid ammonia is provided with liquid drops, the damage of a compressor can be caused, and the gas-liquid separation is needed before the ammonia return air enters the compressor. The conventional ammonia liquid separator adopts gravity separation, namely natural separation is carried out by utilizing the density difference between liquid ammonia and gaseous ammonia, and the flow rate of the ammonia needs to be reduced in the gas liquid separator so as to separate the gas and the liquid. Such separators employing gravity separation can result in excessively large separation systems and storage of liquid ammonia, and are prone to leakage, which can result in significant losses and casualties due to ammonia being a toxic gas.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings of the prior art and provides a centrifugal separation ammonia evaporation system.
The technical scheme adopted by the utility model is as follows: a centrifugally separated ammonia vaporization system comprising an evaporator for converting liquid ammonia to gaseous ammonia; the device comprises a compressor, a centrifugal chamber, a liquid ammonia input pipe, a liquid ammonia output pipe and a separator, wherein the compressor is arranged in the separator, the liquid ammonia input pipe is communicated with the centrifugal chamber, the liquid ammonia input pipe is communicated with the evaporator and is used for conveying liquid ammonia converted by the evaporator into the centrifugal chamber, the centrifugal chamber is used for centrifugally separating the liquid ammonia mixed in the liquid ammonia converted by the evaporator from the liquid ammonia, the liquid ammonia output pipe is used for conveying the centrifugally separated liquid ammonia to the compressor, and the liquid ammonia output pipe is communicated with the evaporator and is used for conveying the centrifugally separated liquid ammonia to the evaporator.
The separator comprises a cylindrical centrifugal chamber which is vertically arranged, a gaseous ammonia output pipe stretches into the cylindrical centrifugal chamber from the top end of the separator and is concentrically arranged or eccentric with the cylindrical centrifugal chamber, the gaseous ammonia input pipe is connected with the side wall of the separator, the fluid conveying direction of the gaseous ammonia input pipe to the cylindrical centrifugal chamber is the tangential direction or non-tangential direction of the cylindrical centrifugal chamber, the outlet height of the gaseous ammonia input pipe is higher than the inlet height of the gaseous ammonia output pipe, and the liquid ammonia output pipe is connected with the bottom end of the separator.
The separator shell comprises a cylindrical first part and a conical second part, wherein the inner cavity of the cylindrical first part forms a cylindrical centrifugal chamber, the larger end of the inner diameter of the second part is connected with the lower end part of the first part, the smaller end of the inner diameter of the second part is connected with a liquid ammonia output pipe, the inner cavity of the conical second part forms a converging chamber, and the inlet of the gaseous ammonia output pipe is positioned in the cylindrical centrifugal chamber.
The liquid ammonia evaporator is characterized by further comprising a liquid ammonia input pipe which is communicated with the evaporator.
The liquid ammonia input pipe is connected with the liquid ammonia output pipe, and the liquid ammonia input pipe conveys liquid ammonia to the evaporator through the liquid ammonia output pipe.
And the liquid ammonia input pipe is provided with a liquid supply expansion valve.
The liquid level controller monitors through the liquid level meter and controls the flow of the liquid ammonia input pipe so as to control the liquid level in the separator.
The liquid level controller is controlled by a PLC controller, a special electronic liquid level controller or a mechanical liquid level control device.
And a drain valve is arranged at the bottom end of the liquid level meter.
The liquid ammonia output pipe is L-shaped pipeline, and it includes the first pipeline of vertical setting and the second pipeline of level setting, first pipeline upper end is linked together with the evaporimeter, liquid ammonia input pipe is connected with first pipeline, second pipeline exit end is connected with the evaporimeter, be equipped with the oil drain valve of downward emission near the exit end on the second pipeline.
The beneficial effects of the utility model are as follows: the ammonia evaporation system provided by the utility model replaces the gravity field in gravity separation with the centrifugal field, and the separation factor is far greater than that of gravity separation, so that the volume of an ammonia separation device can be reduced, and the storage amount of ammonia can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a separator at an angle in one embodiment of the utility model;
FIG. 3 is a cross-sectional view of another angle of the separator in one embodiment of the utility model;
in the figure, 1, an evaporator; 2, a separator; 3, gaseous ammonia input pipe; 4, gaseous ammonia output pipe; 5, outputting liquid ammonia; 6, a liquid level meter; 7, a liquid ammonia input pipe; 8, a liquid supply expansion valve; 9, a blow-down valve; 10, an oil discharge valve; 11, a controller.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 1, a centrifugally separated ammonia vaporization system includes an evaporator 1 for converting liquid ammonia into gaseous ammonia; the device further comprises a separator 2, wherein a centrifugal chamber is arranged in the separator, a gaseous ammonia input pipe 3, a gaseous ammonia output pipe 4 and a liquid ammonia output pipe 5 which are communicated with the centrifugal chamber are arranged in the separator, the gaseous ammonia input pipe 3 is communicated with the evaporator 1 and is used for conveying gaseous ammonia converted by the evaporator 1 into the centrifugal chamber, the centrifugal chamber is used for carrying out centrifugal separation on the gaseous ammonia converted by the evaporator 1 to enable the liquid ammonia mixed in the gaseous ammonia to be separated from the gaseous ammonia, the gaseous ammonia output pipe 4 is used for conveying the centrifugally separated gaseous ammonia to the compressor, and the liquid ammonia output pipe 5 is communicated with the evaporator 1 and is used for conveying the centrifugally separated liquid ammonia to the evaporator 1. The centrifugal field replaces the gravity field in gravity separation, the separation factor is far greater than that of gravity separation, the volume of the ammonia separation device can be reduced, and the storage amount of ammonia is reduced.
As shown in fig. 2-3, the separator 2 includes a cylindrical centrifugal chamber, the gaseous ammonia output pipe 4 extends into the cylindrical centrifugal chamber from the top end of the separator 2 and is concentrically arranged with the cylindrical centrifugal chamber, the gaseous ammonia input pipe 3 is connected with the side wall of the separator 2, the fluid conveying direction of the gaseous ammonia input pipe 3 output to the cylindrical centrifugal chamber is in the tangential direction of the cylindrical centrifugal chamber, the outlet height of the gaseous ammonia input pipe 3 is higher than the inlet height of the gaseous ammonia output pipe 4, and the liquid ammonia output pipe 5 is connected with the bottom end of the separator 2. The gaseous ammonia mixed with the liquid ammonia is input along the tangential direction of the centrifugal chamber, the gas-liquid separation is carried out under the flow velocity of the fluid, the separated gaseous ammonia leaves the separator 2 from the gaseous ammonia output pipe 4, the separated liquid ammonia is thrown onto the inner wall of the centrifugal chamber, and the liquid ammonia output pipe 5 flowing to the bottom end along the inner wall of the centrifugal chamber flows out and returns to the evaporator 1.
The fluid delivery direction of the gaseous ammonia input pipe 3 to the cylindrical centrifugal chamber may be a non-tangential direction of the cylindrical centrifugal chamber, i.e., an offset with a certain angle with respect to the tangential direction of the cylindrical centrifugal chamber.
The gaseous ammonia outlet pipe 4 may be arranged eccentrically with respect to the cylindrical centrifugal chamber.
The separator 2 shell comprises a cylindrical first part and a conical second part, wherein the inner cavity of the cylindrical first part forms a cylindrical centrifugal chamber, the larger end of the inner diameter of the second part is connected with the lower end part of the first part, the smaller end of the inner diameter of the second part is connected with the liquid ammonia output pipe 5, the inner cavity of the conical second part forms a converging chamber, and the inlet of the gaseous ammonia output pipe 4 is positioned in the cylindrical centrifugal chamber.
Also included is a liquid ammonia input pipe 7, said liquid ammonia input pipe 7 being in communication with the evaporator 1. The liquid ammonia input pipe 7 is used for inputting liquid ammonia into the evaporator 1, so that the storage amount of the liquid ammonia in the evaporator 1 is within a reasonable range.
The liquid ammonia input pipe 7 is connected with the liquid ammonia output pipe 5, and the liquid ammonia input pipe 7 conveys liquid ammonia to the evaporator 1 through the liquid ammonia output pipe 5.
The liquid ammonia input pipe 7 is provided with a liquid supply expansion valve 8.
Still include level gauge 6 and liquid level controller, level gauge 6 both ends are linked together with separator 2 and liquid ammonia output tube 5 respectively, liquid level controller passes through the liquid level gauge 6 monitoring in the separator 2, liquid level controller passes through the liquid level gauge monitoring and through the flow of control liquid ammonia input tube in order to control the liquid level in the separator and make the steady operation of entire system.
The liquid level controller is controlled by a controller 11, in particular, the liquid level controller can be controlled by a PLC controller, a dedicated electronic liquid level controller or a mechanical liquid level control device.
The bottom end of the liquid level meter 6 is provided with a blow-down valve 9.
The liquid ammonia output pipe 5 is an L-shaped pipeline, and comprises a first conveying pipeline which is vertically arranged and a second conveying pipeline which is horizontally arranged, the upper end part of the first conveying pipeline is communicated with the evaporator 1, the liquid ammonia input pipe 7 is connected with the first conveying pipeline, the outlet end of the second conveying pipeline is connected with the evaporator 1, and an oil discharge valve 10 which is arranged on the second conveying pipeline and is close to the outlet end and is used for discharging downwards is arranged.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in implementing the methods of the above embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc.
The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.
Claims (10)
1. A centrifugally separated ammonia evaporation system comprising an evaporator (1) for converting liquid ammonia into gaseous ammonia; the method is characterized in that: still include separator (2), be equipped with centrifugal chamber in it and be equipped with gaseous ammonia input tube (3), gaseous ammonia output tube (4), liquid ammonia output tube (5) that are linked together with the centrifugal chamber, gaseous ammonia input tube (3) are linked together with evaporimeter (1) for carry the gaseous ammonia that evaporimeter (1) converted out to the centrifugal chamber in, the centrifugal chamber is arranged in carrying out centrifugal separation to the gaseous ammonia that evaporimeter (1) converted out and makes liquid ammonia and gaseous ammonia that are mingled with wherein separate, gaseous ammonia output tube (4) are used for carrying centrifugal separation's gaseous ammonia to the compressor, liquid ammonia output tube (5) are linked together with evaporimeter (1) for carry centrifugal separation's liquid ammonia to evaporimeter (1).
2. The centrifugally separated ammonia vaporization system of claim 1 wherein: the separator (2) is internally provided with a cylindrical centrifugal chamber which is vertically arranged, a gaseous ammonia output pipe (4) stretches into the cylindrical centrifugal chamber from the top end of the separator (2) and is concentrically arranged or eccentric with the cylindrical centrifugal chamber, the gaseous ammonia input pipe (3) is connected with the side wall of the separator (2), the fluid conveying direction of the gaseous ammonia input pipe (3) to the cylindrical centrifugal chamber is the tangential direction or non-tangential direction of the cylindrical centrifugal chamber, the outlet height of the gaseous ammonia input pipe (3) is higher than the inlet height of the gaseous ammonia output pipe (4), and the liquid ammonia output pipe (5) is connected with the bottom end of the separator (2).
3. The centrifugally separated ammonia vaporization system of claim 2 wherein: the separator (2) shell comprises a cylindrical first part and a conical second part, wherein the inner cavity of the cylindrical first part forms a cylindrical centrifugal chamber, the larger end of the second part is connected with the lower end part of the first part, the smaller end of the second part is connected with a liquid ammonia output pipe (5), the inner cavity of the conical second part forms a converging chamber, and the inlet of the gaseous ammonia output pipe (4) is positioned in the cylindrical centrifugal chamber.
4. The centrifugally separated ammonia vaporization system of claim 2 wherein: the device also comprises a liquid ammonia input pipe (7), wherein the liquid ammonia input pipe (7) is communicated with the evaporator (1).
5. The centrifugally separated ammonia vaporization system of claim 4 wherein: the liquid ammonia input pipe (7) is connected with the liquid ammonia output pipe (5), and the liquid ammonia input pipe (7) conveys liquid ammonia to the evaporator (1) through the liquid ammonia output pipe (5).
6. The centrifugally separated ammonia vaporization system of claim 4 or 5 wherein: the liquid ammonia input pipe (7) is provided with a liquid supply expansion valve (8).
7. The centrifugally separated ammonia vaporization system of claim 4 or 5 wherein: the liquid level device is characterized by further comprising a liquid level meter (6) and a liquid level controller, wherein two ends of the liquid level meter (6) are respectively communicated with the separator (2) and the liquid ammonia output pipe (5), and the liquid level controller monitors the liquid level meter (6) and controls the flow of the liquid ammonia input pipe (7) so as to control the liquid level in the separator (2).
8. The centrifugally separated ammonia vaporization system of claim 7 wherein: the liquid level controller is controlled by a PLC controller (11), a special electronic liquid level controller or a mechanical liquid level control device.
9. The centrifugally separated ammonia vaporization system of claim 7 wherein: and a drain valve (9) is arranged at the bottom end of the liquid level meter (6).
10. The centrifugally separated ammonia vaporization system of claim 5 wherein: the liquid ammonia output pipe (5) is an L-shaped pipeline and comprises a first conveying pipeline and a second conveying pipeline, wherein the first conveying pipeline is vertically arranged, the second conveying pipeline is horizontally arranged, the upper end of the first conveying pipeline is communicated with the evaporator (1), the liquid ammonia input pipe (7) is connected with the first conveying pipeline, the outlet end of the second conveying pipeline is connected with the evaporator (1), and an oil discharge valve (10) which is arranged on the second conveying pipeline and is close to the outlet end and is used for discharging downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121055325.1U CN219323868U (en) | 2021-05-17 | 2021-05-17 | Centrifugal separation's ammonia vaporization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121055325.1U CN219323868U (en) | 2021-05-17 | 2021-05-17 | Centrifugal separation's ammonia vaporization system |
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| Publication Number | Publication Date |
|---|---|
| CN219323868U true CN219323868U (en) | 2023-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121055325.1U Active CN219323868U (en) | 2021-05-17 | 2021-05-17 | Centrifugal separation's ammonia vaporization system |
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| CN (1) | CN219323868U (en) |
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2021
- 2021-05-17 CN CN202121055325.1U patent/CN219323868U/en active Active
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