CN110514036B - Efficient heat exchange and water removal structure of compressed gas freezing dryer - Google Patents
Efficient heat exchange and water removal structure of compressed gas freezing dryer Download PDFInfo
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- CN110514036B CN110514036B CN201910765734.1A CN201910765734A CN110514036B CN 110514036 B CN110514036 B CN 110514036B CN 201910765734 A CN201910765734 A CN 201910765734A CN 110514036 B CN110514036 B CN 110514036B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 13
- 238000007710 freezing Methods 0.000 title description 2
- 230000008014 freezing Effects 0.000 title description 2
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 238000000926 separation method Methods 0.000 claims abstract description 33
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 239000007789 gas Substances 0.000 description 62
- 238000005057 refrigeration Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000010963 304 stainless steel Substances 0.000 description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005493 welding type Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/1607—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with particular pattern of flow of the heat exchange media, e.g. change of flow direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
- F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
- F28F21/083—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys from stainless steel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Drying Of Gases (AREA)
Abstract
The invention provides a high-efficiency heat exchange and water removal structure of a compressed gas freeze dryer, which can solve the problems of the prior equipment such as compact structure, poor gas-water separation effect, easy ice blockage and large pressure difference of compressed gas inlet and outlet. The air conditioner comprises a first pipe and a second pipe, wherein the first pipe is vertically arranged, the second pipe is arranged in the first pipe, a refrigerating cavity is arranged between the inside of the first pipe and the outer wall of the second pipe, a refrigerating source outlet and a refrigerating source inlet are respectively arranged in the refrigerating cavity, one or more fourth pipes are arranged in the refrigerating cavity, a gas-liquid separation cavity is arranged at the lower part of the refrigerating cavity, a liquid collecting cavity is arranged at the lower part of the first pipe, the air conditioner further comprises a third pipe, one end of the third pipe is communicated with the outside, the other end of the third pipe is communicated with the upper part of the liquid collecting cavity, a gas inlet is formed in the second pipe, gas enters from the gas inlet, is cooled through the refrigerating cavity, separated out after gas-liquid separation of the gas-liquid separation cavity, condensate flows into the liquid collecting cavity, and the gas is finally discharged from the gas outlet through the third pipe.
Description
Technical Field
The invention relates to the technical field of heat exchangers, in particular to a high-efficiency heat exchange and water removal structure of a compressed gas freeze dryer.
Background
The heat exchange structure of the existing compressed air dryer mainly comprises the following types: in the first category, as shown in fig. 4, the heat exchange structure of a general freeze dryer is that a barrel body separated from a 1 a-cold heat exchanger, a2 a-evaporator and a 3 a-gas-liquid separator is manufactured, the structure is complex, the manufacturing is complex, the volume is huge, the evaporator adopts a copper-aluminum fin type or stainless steel fin type heat exchanger, the fin gap is small, condensate is easy to freeze in the evaporator, and ice blocking phenomenon is generated. The second type, plate or plate-fin type heat exchanger for a cold dryer, as shown in fig. 5, has the following problems: 1. the cold-heat exchange and evaporator adopts an aluminum plate-fin heat exchanger or a stainless steel plate heat exchanger, and welded junctions are easy to leak and cannot be maintained; 2. the plate is thinner, is easy to corrode and is not capable of being maintained; 3. because of the small volume, the gas-liquid separation effect is poor; if the external vapor-liquid separator is arranged, the effect of compact structure can not be achieved; 4. the gap between the plates is small, the evaporator is easy to be blocked by dirt, more dirt is accumulated to influence the heat exchange effect, the resistance is increased, so that the inlet and outlet of compressed air generate larger and larger pressure difference, condensate is easy to freeze in the evaporator to block the compressed air channel, and ice blocking phenomenon is generated; 5. the manufacturing is complex, and only professional plate-type or plate-fin heat exchanger factories can manufacture the plate-type or plate-fin heat exchanger, so that the cost is high. Third, a cold-heat exchanger and an evaporator are built in a tub, and a dryer is shown in fig. 6, in which: a-refrigerant inlet, b-refrigerant outlet, h-air inlet, i-air outlet, g-spiral tube, e-filtrate net, f-evaporator, evaporator adopts copper aluminum fin type or stainless steel fin type heat exchanger, this kind of structure has the following problems: 1) The gaps of the fins are small, condensate is easy to freeze in the evaporator, and ice blockage is generated; 2) The device has no special gas-liquid separation device, but relies on natural gravity to separate liquid, so that the liquid is easily taken away by air flow, and the gas-liquid separation effect is poor; 3) The manufacturing precision requirement is higher, the manufacturing process is complex, and the cost is high.
In summary, the heat exchange structure of the existing compressed air dryer is not ideal.
Disclosure of Invention
Aiming at the problems, the invention provides a high-efficiency heat exchange and water removal structure of a compressed gas freeze dryer, which has the advantages of compact structure, corrosion prevention, no secondary pollution, small pressure loss, reduction of ice blockage and leakage phenomena, simple process, low cost and good liquid-vapor separation effect.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The utility model provides a structure of high-efficient heat transfer dewatering of compressed gas freeze dryer which characterized in that: the device comprises a first pipe vertically arranged and a second pipe arranged in the first pipe, wherein the bottom of the second pipe is not in contact with the bottom of the first pipe, a refrigerating cavity is arranged between the inside of the first pipe and the outer wall of the second pipe, a refrigerating source outlet and a refrigerating source inlet are respectively arranged in the refrigerating cavity, one or more fourth pipes are arranged in the refrigerating cavity, refrigerating source and compressed gas flow at the inner side and the outer side of the fourth pipe respectively, a gas-liquid separation cavity is arranged at the lower part of the refrigerating cavity, a liquid collecting cavity is arranged at the lower part of the first pipe, a liquid collecting pipe is arranged at the bottom of the liquid collecting cavity, one or more third pipes are further arranged at one end of each third pipe, one end of each third pipe is communicated with the outside to serve as a gas outlet, the other end of each third pipe is communicated with the upper part of the liquid collecting cavity, gas enters from the gas inlet, condensate is separated from the gas-liquid separation cavity through the gas-liquid separation cavity, and finally discharged from the gas outlet through the third pipe.
Preferably, the refrigerating cavity is closed, the refrigerating source outlet and the refrigerating source inlet are respectively communicated with the refrigerating cavity, the fourth pipe vertically penetrates through the refrigerating cavity, gas passes through the inside of the fourth pipe, and the refrigerating source passes through the refrigerating cavity.
Preferably, the upper end and the lower end of the refrigeration cavity are opened, the refrigeration source outlet and the refrigeration source inlet are communicated with the two ends of the fourth pipe, gas passes through the refrigeration cavity, and the refrigeration source passes through the inside of the fourth pipe.
Preferably, all of the third tubes are mounted within the second tube.
Preferably, the refrigerator further comprises a fifth pipe, wherein the fifth pipe is arranged in the second pipe, one end of the fifth pipe is communicated with the bottom of the second pipe, and the other end of the fifth pipe is communicated with the upper part of the refrigerating cavity.
Preferably, the refrigerator further comprises a fifth pipe, wherein the fifth pipe is sleeved outside the second pipe, one end of the fifth pipe is communicated with the bottom of the second pipe, and the other end of the fifth pipe is communicated with the upper part of the refrigerating cavity.
Preferably, a baffle is provided in the second tube.
Preferably, a spiral sheet is arranged at the lower part of the outer wall of the second pipe at a position corresponding to the gas-liquid separation cavity.
Preferably, a spiral sheet is arranged at the lower part of the outer wall of the fifth pipe at a position corresponding to the gas-liquid separation cavity.
The invention has the beneficial effects that:
The invention has the following advantages:
a) The structure is compact: the first pipe 1 has no dead space, and integrates four functions of cold-heat exchange, refrigeration cooling, gas-water separation, condensate water storage and discharge.
B) The gas-liquid separation effect is better: the device is vertically installed, moisture is not easily taken away by gas, and compressed gas has better gas-liquid separation effect under the action of rotary separation and gravity
C) The pressure difference between the inlet and the outlet of the compressed gas is small: the compressed gas has larger flow sectional area in the flowing process, is not easy to be blocked by dirt, and has small inlet-outlet pressure difference.
D) Leakage reduction: and compared with fin type, plate-fin type and plate-type heat exchangers, the argon arc welding type heat exchanger is made of 304 stainless steel materials, has thicker heat exchange materials and fewer welding spots, and greatly reduces the risks of corrosion leakage and welding spot leakage.
E) Reducing ice blockage phenomenon: the sectional area of the refrigeration channel is far larger than the gap of 2-3mm of the fin type, plate type or plate fin type heat exchanger, and the occurrence of ice blockage phenomenon is greatly reduced.
F) The manufacturing process is simple: all adopt simple welding process, need not special preparation equipment, make simply.
Drawings
Fig. 1 is a schematic structural view of embodiment 1;
fig. 2 is a schematic structural view of embodiment 2;
FIG. 3 is a schematic structural view of embodiment 3;
FIG. 4 is a schematic diagram of a typical cold dryer;
Fig. 5 is a schematic structural view of a plate or plate-fin type dryer.
Fig. 6 is a schematic diagram of a structure of a cold dryer in which a cold heat exchanger and an evaporator are disposed in one tub.
Detailed Description
The technical scheme of the invention is described below with reference to the accompanying drawings and examples.
Example 1: referring to fig. 1, a structure for efficient heat exchange and water removal of a compressed gas freeze dryer comprises a first pipe 1 vertically arranged, and a second pipe 2 arranged in the first pipe 1, wherein the outer diameter of the second pipe 2 is smaller than the inner diameter of the first pipe 1, the bottom of the second pipe 2 is not contacted with the bottom of the first pipe 1, a refrigerating cavity 6 is arranged between an inner arm of the first pipe 1 and the outer wall of the second pipe 2, the refrigerating cavity 6 is respectively provided with a refrigerating source outlet 11 and a refrigerating source inlet 10, the refrigerating cavity 6 is closed, the refrigerating source outlet 11 and the refrigerating source inlet 10 are respectively communicated with the refrigerating cavity 6, the refrigerating source inlet 10 is arranged below, the refrigerating source outlet 11 is arranged above, one or more fourth pipes 4 are arranged in the refrigerating cavity 6, the fourth pipes 4 vertically penetrate through the refrigerating cavity 6, gas passes through the inside the fourth pipes 4, the refrigerating source passes through the refrigerating cavity 6, the gas exchanges heat with the refrigerating source, the lower part of the refrigerating cavity 6 is provided with a gas-liquid separation cavity 7, the lower part of the first pipe 1 is provided with a liquid collecting cavity 9, the bottom of the liquid collecting cavity 9 is provided with a liquid discharging pipe 13, the refrigerating cavity 2 is also provided with one or more than one third pipe 3, all the third pipes 3 are arranged in the second pipe 2, one end of each third pipe 3 is communicated with the outside as a gas outlet 12, the other end of each third pipe is communicated with the upper part of the liquid collecting cavity 9, the upper part of the second pipe 2 is provided with a gas inlet 15 communicated with the inside of the second pipe, the refrigerating cavity further comprises a fifth pipe 5, the pipe diameter of the fifth pipe 5 is larger than the second pipe 2 and smaller than the first pipe 1, the fifth pipe 5 is sleeved outside the second pipe 2, the fifth pipe 5 is positioned between the refrigerating cavity 6 and the second pipe 2, one end of each fifth pipe 5 is communicated with the bottom of the second pipe 2, the other end of each third pipe is communicated with the upper part of the refrigerating cavity 6, the second pipe 2 is internally provided with a baffle 14, the travel of gas in the second pipe 2 can be increased, and the heat exchange efficiency is improved, and the first pipe 1, the second pipe 2, the third pipe 3, the fourth pipe 4 and the fifth pipe 5 are all made of 304 stainless steel materials.
The gas enters the second pipe 2 from the gas inlet 15, exchanges heat with the gas in the third pipe 3 in the second pipe 2, reaches the bottom of the second pipe 2, goes upward through the fifth pipe 5, exchanges heat with a refrigeration source in the refrigeration cavity 6 in the fifth pipe 5, cools down, enters the fourth pipe 4 above the refrigeration cavity 6, exchanges heat with the refrigeration source in the refrigeration cavity 6 in the fourth pipe 4, cools down, enters the gas-liquid separation cavity 7 after exiting from the fourth pipe 4, extends out of the refrigeration cavity 6 from the lower part of the fifth pipe 5, is provided with a spiral sheet 8 at the position corresponding to the gas-liquid separation cavity 7 on the lower part of the outer wall of the fifth pipe 5, separates gas from liquid, drops into the liquid collecting cavity 9, and the gas exchanges heat with the gas in the second pipe 2 to return temperature through the third pipe 3 and is discharged from the gas outlet 12.
Example 2: referring to fig. 2, a structure for efficient heat exchange and water removal of a compressed gas freeze dryer comprises a first pipe 1 vertically arranged, and a second pipe 2 arranged in the first pipe 1, wherein the outer diameter of the second pipe 2 is smaller than the inner diameter of the first pipe 1, the bottom of the second pipe 2 is not contacted with the bottom of the first pipe 1, a refrigerating cavity 6 is arranged between an inner arm of the first pipe 1 and the outer wall of the second pipe 2, the refrigerating cavity 6 is respectively provided with a refrigerating source outlet 11 and a refrigerating source inlet 10, the refrigerating cavity 6 is closed, the refrigerating source outlet 11 and the refrigerating source inlet 10 are respectively communicated with the refrigerating cavity 6, the refrigerating source inlet 10 is arranged below, the refrigerating source outlet 11 is arranged above, one or more fourth pipes 4 are arranged in the refrigerating cavity 6, the fourth pipes 4 vertically penetrate through the refrigerating cavity 6, gas passes through the inside the fourth pipes 4, the refrigerating source passes through the refrigerating cavity 6, the gas exchanges heat with the refrigerating source, the lower part of the refrigerating cavity 6 is provided with a gas-liquid separation cavity 7, the lower part of the first pipe 1 is provided with a liquid collecting cavity 9, the bottom of the liquid collecting cavity 9 is provided with a liquid discharge pipe 13, the refrigerating cavity is further provided with one or more than one third pipe 3, all the third pipes 3 are installed in the second pipe 2, one end of each third pipe 3 is communicated with the outside to serve as a gas outlet 12, the other end of each third pipe is communicated with the upper part of the liquid collecting cavity 9, the upper part of the second pipe 2 is provided with a gas inlet 15 communicated with the inside, the refrigerating cavity is further provided with a fifth pipe 5, the pipe diameter of the fifth pipe 5 is smaller than that of the second pipe 2, the fifth pipe 5 is arranged in the second pipe 2, one end of the fifth pipe 5 is communicated with the bottom of the second pipe 2, the other end of each fifth pipe is communicated with the upper part of the refrigerating cavity 6, the lower part of the second pipe 2 extends out of the refrigerating cavity 6, the lower part of the outer wall of the second pipe 2 is provided with a spiral piece 8 corresponding to the position of the gas-liquid separation cavity 7, the baffle plate 14 is arranged in the second pipe 2, so that the travel of gas in the second pipe 2 can be increased, and the heat exchange efficiency is improved.
The gas enters the second pipe 2 from the gas inlet 15, exchanges heat with the gas in the third pipe 3 in the second pipe 2, reaches the bottom of the second pipe 2, upwards reaches the upper part of the refrigerating cavity 6 through the fifth pipe 5, enters from the upper end of the fourth pipe 4, exchanges heat with a refrigerating source in the refrigerating cavity 6 and cools down, and after the gas comes out from the lower end of the fourth pipe 4, condensate is separated out, enters the gas-liquid separation cavity 7 to separate the gas from the liquid, the liquid falls into the liquid collecting cavity 9, and the gas passes through the third pipe 3 to exchange heat with the gas in the second pipe 2, returns the temperature, and is discharged from the gas outlet 12.
Example 3: referring to fig. 3, a structure for efficient heat exchange and water removal of a compressed gas freeze dryer comprises a first pipe 1 vertically arranged, and a second pipe 2 arranged in the first pipe 1, wherein the outer diameter of the second pipe 2 is smaller than the inner diameter of the first pipe 1, the bottom of the second pipe 2 is not contacted with the bottom of the first pipe 1, a refrigerating cavity 6 is arranged between an inner arm of the first pipe 1 and the outer wall of the second pipe 2, the lower part of the second pipe 2 extends out of the refrigerating cavity 6, the refrigerating cavity 6 is respectively provided with a refrigerating source outlet 11 and a refrigerating source inlet 10, one or more fourth pipes 4 are arranged in the refrigerating cavity 6, the upper end and the lower end of the refrigerating cavity 6 are opened, the refrigerating source outlet 11 and the refrigerating source inlet 10 are communicated with two ends of the fourth pipe 4, the refrigerating source inlet 10 is arranged below, the refrigerating source outlet 11 is arranged above, gas passes through the refrigerating cavity 6, the refrigerating source passes through the inside the fourth pipe 4, and the gas exchanges heat with the refrigerating source, and the refrigerating source is wound in the refrigerating cavity 6 for improving the heat exchange efficiency of the refrigerating source. The refrigerator is characterized in that a gas-liquid separation cavity 7 is arranged at the lower part of the refrigerating cavity 6, a liquid collecting cavity 9 is arranged at the lower part of the first pipe 1, a liquid discharging pipe 13 is arranged at the bottom of the liquid collecting cavity 9, one or more than one third pipe 3 is/are further included, all the third pipes 3 are installed in the second pipe 2, one end of each third pipe 3 is communicated with the outside to serve as a gas outlet 12, the other end of each third pipe is communicated with the upper part of the liquid collecting cavity 9, a gas inlet 15 communicated with the inside of each second pipe 2 is arranged at the upper part of each second pipe 2, a fifth pipe 5 is further included, the pipe diameter of each fifth pipe 5 is larger than that of the second pipe 2 and smaller than that of the first pipe 1, the fifth pipe 5 is sleeved outside the second pipe 2, the fifth pipe 5 is located between the refrigerating cavity 6 and the second pipe 2, one end of each fifth pipe 5 is communicated with the bottom of the second pipe 2, the other ends of the third pipes 3, the fourth pipe 4 and the fifth pipe 5 are all made of stainless steel.
The gas enters the second pipe 2 from the gas inlet 15, a baffle plate 14 is arranged in the second pipe 2, the stroke of the gas in the second pipe 2 can be increased, the heat exchange efficiency is improved, the gas in the second pipe 2 and the gas in the third pipe 3 are subjected to heat exchange, the gas reaches the bottom of the second pipe 2 and upwards passes through the fifth pipe 5 to reach the upper part of the refrigerating cavity 6, the gas flows downwards along the refrigerating cavity 6, exchanges heat with a refrigerating source in the fourth pipe 4 and cools down, condensate is separated after the gas comes out from the refrigerating cavity 6, the condensate enters the gas-liquid separation cavity 7, a spiral sheet 8 is arranged at the position of the lower part of the outer wall of the second pipe 2 corresponding to the gas-liquid separation cavity 7, the gas-liquid is separated, the liquid falls into the liquid collecting cavity 9, the gas passes through the third pipe 3 and exchanges heat with the gas in the second pipe 2 to return temperature, and is discharged from the gas outlet 12.
The invention has the following advantages:
a) The structure is compact: the first pipe 1 has no dead space, and integrates four functions of cold-heat exchange, refrigeration cooling, gas-water separation, condensate water storage and discharge.
B) The gas-liquid separation effect is better: the device is vertically installed, moisture is not easily taken away by gas, and compressed gas has better gas-liquid separation effect under the action of rotary separation and gravity
C) The pressure difference between the inlet and the outlet of the compressed gas is small: the compressed gas has larger flow sectional area in the flowing process, is not easy to be blocked by dirt, and has small inlet-outlet pressure difference.
D) Leakage reduction: and compared with fin type, plate-fin type and plate-type heat exchangers, the argon arc welding type heat exchanger is made of 304 stainless steel materials, has thicker heat exchange materials and fewer welding spots, and greatly reduces the risks of corrosion leakage and welding spot leakage.
E) Reducing ice blockage phenomenon: the sectional area of the refrigeration channel is far larger than the gap of 2-3mm of the fin type, plate type or plate fin type heat exchanger, and the occurrence of ice blockage phenomenon is greatly reduced.
F) The manufacturing process is simple: all adopt simple welding process, need not special preparation equipment, make simply.
In the description of the present invention, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (1)
1. The utility model provides a structure of high-efficient heat transfer dewatering of compressed gas freeze dryer which characterized in that: comprises a first pipe vertically arranged and a second pipe arranged in the first pipe, wherein a baffle plate is arranged in the second pipe, the bottom of the second pipe is not contacted with the bottom of the first pipe, a refrigerating cavity is arranged between the inside of the first pipe and the outer wall of the second pipe, the refrigerating cavity is closed and arranged, the refrigerating cavity is respectively provided with a refrigerating source outlet and a refrigerating source inlet, the refrigerating source outlet and the refrigerating source inlet are respectively communicated with the refrigerating cavity, one or more fourth pipes are arranged in the refrigerating cavity, the fourth pipes vertically penetrate through the refrigerating cavity, gas passes through the fourth pipes, the refrigerating source passes through the refrigerating cavity, the refrigerating source and compressed gas respectively flow at the inner side and the outer side of the fourth pipe, the lower part of the refrigerating cavity is provided with a gas-liquid separation cavity, the lower part of the inner cavity of the first pipe is provided with a liquid collecting cavity, the bottom of the liquid collecting cavity is provided with a liquid discharging pipe, the liquid discharging pipe is further provided with one or more third pipes, all the third pipes are arranged in the second pipe, one ends of the third pipes are communicated with the outside to serve as gas outlets, the other ends of the third pipes are communicated with the upper part of the liquid collecting cavity, the second pipe is provided with a gas inlet communicated with the inside of the second pipe, gas enters from the gas inlet, condensate is separated after being cooled by the refrigerating cavity and gas-liquid separated by the gas-liquid separating cavity, condensate flows to the liquid collecting cavity, the gas is finally discharged from the gas outlets through the third pipes, a fifth pipe is sleeved outside the second pipe, one ends of the fifth pipe are communicated with the bottom of the second pipe, the other ends of the fifth pipe are communicated with the upper part of the refrigerating cavity, a spiral sheet is arranged at the lower part of the outer wall of the fifth pipe corresponding to the position of the gas-liquid separating cavity, the gas enters into the second pipe from the gas inlet, heat exchange is carried out between the inside the second pipe and the gas in the third pipe, and the gas reaches the bottom of the second pipe, and the fifth pipe is upwards, heat exchange is carried out between the fifth pipe and a refrigerating source in the refrigerating cavity, the temperature is reduced, the air enters from the upper part of the refrigerating cavity, the fourth pipe is subjected to heat exchange with the refrigerating source in the refrigerating cavity, the temperature is reduced, the air enters into the gas-liquid separation cavity after the air exits from the fourth pipe, the lower part of the fifth pipe extends out of the refrigerating cavity, a spiral sheet is arranged at the position, corresponding to the gas-liquid separation cavity, of the lower part of the outer wall of the fifth pipe, gas and liquid are separated, liquid falls into the liquid collecting cavity, the air passes through the third pipe, exchanges heat with the air in the second pipe, returns the temperature, and is discharged from the air outlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811563790.9A CN109556433A (en) | 2018-12-20 | 2018-12-20 | A kind of high efficient heat exchanging structure of compressed air freezing type drier |
| CN2018115637909 | 2018-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110514036A CN110514036A (en) | 2019-11-29 |
| CN110514036B true CN110514036B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811563790.9A Pending CN109556433A (en) | 2018-12-20 | 2018-12-20 | A kind of high efficient heat exchanging structure of compressed air freezing type drier |
| CN201921345291.2U Active CN210802145U (en) | 2018-12-20 | 2019-08-19 | Structure of high-efficient heat transfer dewatering of compressed gas refrigerated dryer |
| CN201910765734.1A Active CN110514036B (en) | 2018-12-20 | 2019-08-19 | Efficient heat exchange and water removal structure of compressed gas freezing dryer |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811563790.9A Pending CN109556433A (en) | 2018-12-20 | 2018-12-20 | A kind of high efficient heat exchanging structure of compressed air freezing type drier |
| CN201921345291.2U Active CN210802145U (en) | 2018-12-20 | 2019-08-19 | Structure of high-efficient heat transfer dewatering of compressed gas refrigerated dryer |
Country Status (2)
| Country | Link |
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| CN (3) | CN109556433A (en) |
| WO (1) | WO2020125007A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595952A (en) * | 2018-12-20 | 2019-04-09 | 佛山市天地元净化设备有限公司 | A kind of structure of compressed air freezing type drier heat exchange |
| CN109556433A (en) * | 2018-12-20 | 2019-04-02 | 佛山市天地元净化设备有限公司 | A kind of high efficient heat exchanging structure of compressed air freezing type drier |
| CN110440611A (en) * | 2019-07-25 | 2019-11-12 | 佛山市天地元一净化设备有限公司 | A kind of heat exchange structure of gas drier |
| ES1289844Y (en) * | 2021-10-08 | 2022-07-26 | Vasco Jose Antonio Mata | REFRIGERATED DRYER MECHANICAL DEVICE |
| CN114623694B (en) * | 2022-04-19 | 2024-03-22 | 江苏友盛换热器科技有限公司 | Heat exchanger capable of improving heat exchange efficiency and cold energy utilization rate |
| CN115790210B (en) * | 2022-10-09 | 2023-10-17 | 中国电力工程顾问集团中南电力设计院有限公司 | Integrated gas-water separation heat exchanger and method suitable for compressed air energy storage power station |
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- 2018-12-20 CN CN201811563790.9A patent/CN109556433A/en active Pending
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- 2019-07-19 WO PCT/CN2019/096759 patent/WO2020125007A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| CN210802145U (en) | 2020-06-19 |
| WO2020125007A1 (en) | 2020-06-25 |
| CN110514036A (en) | 2019-11-29 |
| CN109556433A (en) | 2019-04-02 |
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