CN212006306U - Siphon evaporator - Google Patents
Siphon evaporator Download PDFInfo
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- CN212006306U CN212006306U CN201921860455.5U CN201921860455U CN212006306U CN 212006306 U CN212006306 U CN 212006306U CN 201921860455 U CN201921860455 U CN 201921860455U CN 212006306 U CN212006306 U CN 212006306U
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Abstract
The application discloses a siphon evaporator, which comprises a horizontal vapor-liquid separator and a horizontal evaporator, wherein the horizontal vapor-liquid separator is fixed on the upper part of the horizontal evaporator; two ends of the horizontal vapor-liquid separator are respectively communicated with two ends of the horizontal evaporator through a vapor riser and a downcomer; and a plurality of layers of spoilers are arranged in the horizontal gas-liquid separator, and liquid falling holes are uniformly distributed on each spoiler. The utility model discloses change vapour and liquid separator's inner structure, promote the refrigerant vapour of evaporation and improve evaporation efficiency at vapour and liquid separator phase speed change degree.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry equipment technique and specifically relates to a hydrocone type evaporimeter is related to.
Background
The evaporator is an important part in four major refrigeration parts, and low-temperature condensed liquid passes through the evaporator to exchange heat with external air, gasifies and absorbs heat, and achieves the refrigeration effect. The evaporator mainly comprises a heating chamber and an evaporation chamber. The heating chamber provides heat required by evaporation to the liquid to promote boiling and vaporization of the liquid; the evaporation chamber makes the gas phase and the liquid phase completely separated.
The siphon evaporator consists of two parts, the upper part is a gas-liquid separator, and the lower part is a siphon evaporator, belonging to a gravity type recirculation evaporator. The throttled refrigerant liquid enters a gas-liquid separator, certain hydrostatic pressure is kept, liquid is supplied to an evaporator by virtue of gravity, the liquid refrigerant absorbs heat in the evaporator, partial vaporization is carried out to enable the liquid at an inlet and an outlet to generate density difference (potential energy difference), and the pressure difference generates power, so that the mass flow rate and the circulation rate of the refrigerant on a tube pass are improved. This self-circulation phenomenon, in which the density changes due to phase change, is called thermosiphon.
The prior patent application with publication number CN206291538U provides a siphon evaporator, which comprises a heat exchanger and a gas-liquid separator installed above the heat exchanger, wherein the gas-liquid separator comprises a hollow gas-liquid separator vertical shell, a first cover plate and a second cover plate for sealing two ends of the gas-liquid separator, the first cover plate of the gas-liquid separator is fixed on the heat exchanger in parallel through a supporting component, so that the gas-liquid separator is installed above the heat exchanger in a vertical manner; the gas-liquid separator is communicated with the tube side of the heat exchanger through an ascending circulating tube and a descending circulating tube respectively. The horizontal installation form of the traditional gas-liquid separator is changed by changing the internal structure of the gas-liquid separator and the positions of all connecting pipes, so that the filling amount of the refrigerant is greatly reduced, and the purposes of energy conservation and environmental protection are realized.
The speed of the existing refrigerant liquid in the gas-liquid separator is slow, and particularly, the evaporated refrigerant gas is slow to change into liquid in the gas-liquid separator, so that the evaporation efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a hydrocone type evaporimeter specifically is the inner structure who improves vapour and liquid separator, promotes the refrigerant vapour of evaporation and improves evaporation efficiency at vapour and liquid separator phase speed change degree.
The utility model discloses a specific technical scheme as follows:
a siphon evaporator comprises a horizontal vapor-liquid separator and a horizontal evaporator, wherein the horizontal vapor-liquid separator is fixed at the upper part of the horizontal evaporator;
two ends of the horizontal vapor-liquid separator are respectively communicated with two ends of the horizontal evaporator through a vapor riser and a downcomer;
and a plurality of layers of spoilers are arranged in the horizontal gas-liquid separator, and liquid falling holes are uniformly distributed on each spoiler.
Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.
In the application, the spoilers are arranged in the horizontal vapor-liquid separator, so that the heat exchange efficiency of the evaporated refrigerant vapor is improved, the refrigerant vapor is quickly converted into liquid, meanwhile, liquid falling holes are uniformly distributed in each spoiler, the liquid refrigerant can be deposited to the bottom of the horizontal vapor-liquid separator, and the liquid refrigerant quickly enters the horizontal evaporator through the liquid falling holes to circulate, so that the evaporation efficiency is improved.
Optionally, the spoilers are 6-12 layers distributed at equal intervals.
The number of layers is only a preferable mode, and in the specific implementation, the number of layers can be reasonably set according to the specific size of the horizontal gas-liquid separator.
Optionally, a bracket for fixing the spoiler is arranged in the siphon evaporator, and the bracket is used for supporting the installation of the spoiler.
Optionally, the support is baffles arranged in a vertically staggered manner, and a circuitous channel is formed among the baffles.
The support in this application also can be the effect of spoiler concurrently, forms circuitous passageway between the baffle, when the refrigerant steam of evaporation passes through, also can promote heat exchange efficiency.
Optionally, the horizontal evaporator is provided with a secondary refrigerant inlet and a secondary refrigerant outlet, and the secondary refrigerant inlet and the secondary refrigerant outlet are connected with a shell pass in the horizontal evaporator;
the steam raising pipe and the downcomer are respectively communicated with a pipe pass in the horizontal evaporator.
In the application, a tube side and a shell side are arranged in the horizontal evaporator, secondary refrigerant is introduced into the shell side, refrigerant is introduced into the tube side, and the tube side and the refrigerant exchange heat.
Optionally, the bottom of the horizontal gas-liquid separator is provided with a liquid inlet, and the top of the horizontal gas-liquid separator is provided with a steam outlet.
Optionally, the liquid inlet is connected to the middle part of the horizontal gas-liquid separator, and the steam outlet is arranged at the same side as the downcomer.
Compared with the prior art, the utility model discloses change into vapour and liquid separator's inner structure, promote the refrigerant vapour of evaporation and improve evaporation efficiency at vapour and liquid separator phase variable speed.
Drawings
Fig. 1 is a structural view of a siphon evaporator of the present invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and the present invention is not limited to the specific embodiments disclosed below.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The siphon evaporator shown in fig. 1 is composed of two independent units, namely a horizontal vapor-liquid separator 1 and a horizontal evaporator 2, wherein the horizontal vapor-liquid separator 1 is fixed at the upper part of the horizontal evaporator 2. Two ends of the horizontal vapor-liquid separator 1 are respectively communicated with two ends of the horizontal evaporator 2 through a vapor rising pipe 5 and a downcomer 8; a plurality of layers of spoilers 9 are arranged in the horizontal gas-liquid separator 4, and liquid falling holes are uniformly distributed on each spoiler 9.
In the application, the spoilers are arranged in the horizontal vapor-liquid separator, so that the heat exchange efficiency of the evaporated refrigerant vapor is improved, the refrigerant vapor is quickly converted into liquid, meanwhile, liquid falling holes are uniformly distributed in each spoiler, the liquid refrigerant can be deposited to the bottom of the horizontal vapor-liquid separator, and the liquid refrigerant quickly enters the horizontal evaporator through the liquid falling holes to circulate, so that the evaporation efficiency is improved.
The spoilers 9 are 6-12 layers distributed at equal intervals. Or in specific implementation, the horizontal type gas-liquid separator can be reasonably arranged according to the specific size of the horizontal type gas-liquid separator.
The siphon evaporator 1 is internally provided with a bracket 10 for fixing the spoiler, and the bracket 10 is used for supporting the installation of the spoiler 9. The support is the baffle of upper and lower dislocation arrangement, forms circuitous passageway between each baffle. The support also can be used as a spoiler, a circuitous channel is formed between the baffles, and when the evaporated refrigerant vapor passes through, the heat exchange efficiency can be improved.
The horizontal evaporator 2 is provided with a secondary refrigerant inlet 7 and a secondary refrigerant outlet 6, and the secondary refrigerant inlet and the secondary refrigerant outlet are connected with a shell pass in the horizontal evaporator; the steam lifting pipe 5 and the downcomer 9 are respectively communicated with the tube side in the horizontal evaporator. A tube side and a shell side are arranged in the horizontal evaporator, secondary refrigerant is introduced into the shell side, refrigerant is introduced into the tube side, and the tube side and the refrigerant exchange heat.
The bottom of the horizontal vapor-liquid separator 1 is provided with a liquid inlet 4, and the top is provided with a steam outlet 3. The liquid inlet is connected with the middle part of the horizontal vapor-liquid separator, and the vapor outlet is arranged at the same side with the downcomer.
In the application, refrigerant liquid enters from the bottom of the horizontal vapor-liquid separator, after the throttled flash steam and lubricating oil in the refrigerant are separated in the vapor-liquid separator, the flash steam enters from a header at one end of the horizontal evaporator through a downcomer, and the heat of the secondary refrigerant is obtained through the wall of a heat exchange pipe in the length direction of the heat exchange pipe and gradually evaporated. The evaporated refrigerant gas or gas-liquid two-phase flow enters one end of the horizontal vapor-liquid separator from a steam rising pipe on a pipe box at the other end of the horizontal evaporator, the separation of a gas phase and a liquid phase is completed in the vapor-liquid separator, the liquid phase is settled to the bottom of the separator, and the gas phase is sucked away by the refrigeration compressor from a steam outlet at the upper part of the other end of the horizontal vapor-liquid separator.
The above description is only exemplary of the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the present invention.
Claims (7)
1. A siphon evaporator is characterized by comprising a horizontal vapor-liquid separator and a horizontal evaporator, wherein the horizontal vapor-liquid separator is fixed at the upper part of the horizontal evaporator; two ends of the horizontal vapor-liquid separator are respectively communicated with two ends of the horizontal evaporator through a vapor riser and a downcomer; and a plurality of layers of spoilers are arranged in the horizontal gas-liquid separator, and liquid falling holes are uniformly distributed on each spoiler.
2. The siphonic evaporator of claim 1, wherein the baffles are equally spaced 6-12 layers.
3. The siphonic evaporator according to claim 2, wherein the siphonic evaporator has a bracket for holding the spoiler.
4. The siphonic evaporator according to claim 3, wherein the rack comprises baffles positioned in an offset manner, the baffles defining a circuitous path therebetween.
5. The siphonic evaporator according to claim 1, wherein the horizontal evaporator has a coolant inlet and a coolant outlet, the coolant inlet and the coolant outlet connected to a shell side of the horizontal evaporator; the steam raising pipe and the downcomer are respectively communicated with a pipe pass in the horizontal evaporator.
6. The siphonic evaporator of claim 1, wherein the horizontal vapor-liquid separator has a liquid inlet at the bottom and a vapor outlet at the top.
7. The siphonic evaporator of claim 6, wherein the liquid inlet is connected to the middle of the horizontal vapor-liquid separator and the vapor outlet is disposed on the same side as the downcomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921860455.5U CN212006306U (en) | 2019-10-31 | 2019-10-31 | Siphon evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921860455.5U CN212006306U (en) | 2019-10-31 | 2019-10-31 | Siphon evaporator |
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| Publication Number | Publication Date |
|---|---|
| CN212006306U true CN212006306U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921860455.5U Active CN212006306U (en) | 2019-10-31 | 2019-10-31 | Siphon evaporator |
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| Country | Link |
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| CN (1) | CN212006306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023065600A1 (en) * | 2021-10-19 | 2023-04-27 | 安徽普泛能源技术有限公司 | Siphon evaporation device having heat exchange structure, and operation method and application thereof |
-
2019
- 2019-10-31 CN CN201921860455.5U patent/CN212006306U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023065600A1 (en) * | 2021-10-19 | 2023-04-27 | 安徽普泛能源技术有限公司 | Siphon evaporation device having heat exchange structure, and operation method and application thereof |
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