CN115342561A - Dehumidification device, system and method for large-scale air conditioner refrigerant system - Google Patents
Dehumidification device, system and method for large-scale air conditioner refrigerant system Download PDFInfo
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- CN115342561A CN115342561A CN202210981106.9A CN202210981106A CN115342561A CN 115342561 A CN115342561 A CN 115342561A CN 202210981106 A CN202210981106 A CN 202210981106A CN 115342561 A CN115342561 A CN 115342561A
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 128
- 238000007791 dehumidification Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 104
- 239000000945 filler Substances 0.000 claims abstract description 74
- 238000001914 filtration Methods 0.000 claims abstract description 51
- 238000004378 air conditioning Methods 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000011068 loading method Methods 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims description 43
- 239000007788 liquid Substances 0.000 claims description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
- 239000000741 silica gel Substances 0.000 claims description 15
- 229910002027 silica gel Inorganic materials 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 238000011049 filling Methods 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 14
- 229960001866 silicon dioxide Drugs 0.000 description 14
- 238000012423 maintenance Methods 0.000 description 12
- 239000000126 substance Substances 0.000 description 8
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000002274 desiccant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a dehumidification device, a dehumidification system and a dehumidification method for a large-scale air-conditioning refrigerant system, wherein the dehumidification device for the large-scale air-conditioning refrigerant system comprises the following components: the first filtering layer is arranged in a surrounding manner to form a refrigerant channel; the second filter layer is arranged on the outer side of the first filter layer in a surrounding mode at intervals, a containing cavity is formed between the first filter layer and the second filter layer, two ends of the containing cavity are provided with closed end faces, one end face is provided with a feed inlet, water absorbing filler is arranged in the containing cavity, and the feed inlet is used for loading and unloading the water absorbing filler; the end cover is arranged close to the feeding hole and detachably connected with the end face, and the end cover is used for sealing the feeding hole. The dehumidification device, the dehumidification system and the dehumidification method for the large air-conditioning refrigerant system can clear water in the refrigerant system, and are simple to operate and high in efficiency.
Description
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to a dehumidifying device, system and method for a large-scale air conditioning refrigerant system.
Background
The large air conditioner generally comprises reciprocating type, screw type, centrifugal type and other compression technologies, works through a compressor, compresses a gaseous refrigerant into a liquid state, evaporates again to form the gaseous refrigerant, can continuously absorb heat and release heat in the process, transfers the generated cold and heat energy to a terminal through circulating water, and provides the required cold and heat energy to the terminal through a coil fan or a radiation capillary tube and the like.
Because water is as a heat transfer media, impurity corrosion in the ageing and water of long-term operation leads to indirect heating equipment to reveal, and water or steam get into all refrigerant systems, directly can lead to the unable normal work of large-scale air conditioner, can make the bearing and the sliding part burn of compressor when serious, so daily dimension is protected and the trouble of intaking is maintained, and the dewatering operation all is an indispensable important work in the large-scale air conditioner.
Therefore, it is necessary to design a dehumidification device of air conditioning refrigerant system to solve the above problems.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to provide a dehumidification device, a dehumidification system and a dehumidification method for a refrigerant system of a large air conditioner, which can clean water in the refrigerant system, and are simple to operate and high in efficiency.
In order to achieve the above object, the present invention provides a dehumidification device for a refrigerant system of a large air conditioner, comprising:
the first filtering layer is arranged in a surrounding manner to form a refrigerant channel;
the second filter layer is arranged on the outer side of the first filter layer in a surrounding mode at intervals, a containing cavity is formed between the first filter layer and the second filter layer, two ends of the containing cavity are provided with closed end faces, one end face is provided with a feed inlet, water absorbing filler is arranged in the containing cavity, and the feed inlet is used for loading and unloading the water absorbing filler;
the end cover is arranged close to the feeding hole and detachably connected with the end face, and the end cover is used for sealing the feeding hole.
In some embodiments, the first filter layer is arranged to form a cylindrical structure in an enclosing mode, the second filter layer is arranged to form a cylindrical structure in an enclosing mode, and the axial cross sections of the first filter layer and the second filter layer form concentric circles.
In some embodiments, further comprising:
the support comprises an inner wall, an outer wall, a first end face and a second end face, the outer wall is sleeved on the outer side of the inner wall to form a hollow concentric circle structure, the inner wall and the outer wall are both provided with hollow structures, the first end face and the second end face are both of annular structures, two ends of the inner wall are respectively connected with the inner sides of the first end face and the second end face, and two ends of the outer wall are respectively connected with the outer sides of the first end face and the second end face;
the first filtering layer is arranged on the inner wall of the support, the second filtering layer is arranged on the outer wall of the support, and the feed inlet is arranged on the first end face or the second end face.
In some embodiments, the first filter layer is detachably arranged on one side of the inner wall far away from the outer wall;
and/or the second filter layer is detachably arranged on one side, far away from the inner wall, of the outer wall.
In some embodiments, the inner wall, the outer wall, the first end surface and the second end surface are all made of stainless steel and are welded and fixed into a whole;
wherein the inner wall is of a net structure, and the outer wall is of a net structure;
and/or the first filtering layer is a stainless steel filtering screen;
and/or the second filter layer is a stainless steel filter screen.
In some embodiments, a side of the end cap close to the bracket is provided with a sealing gasket, and the end cap is fixed on the first end face or the second end face through a plurality of bolts.
In some embodiments, the water absorbing filler is a water absorbing color changing filler.
In some embodiments, the water absorbing filler is allochroic silica gel.
According to another aspect of the present invention, the present invention further provides a large air-conditioning refrigerant system dehumidification system, including any one of the above-mentioned large air-conditioning refrigerant system dehumidification devices, further including:
the refrigerant system filter comprises a filter shell, a filter end cover and a filter liquid inlet pipe, the large air conditioner refrigerant system dehumidifying device is installed in the filter shell in an adaptive mode, the filter end cover is fixed to the end portion of the filter shell through an end cover screw, the filter liquid inlet pipe is arranged on the side wall of the filter shell, and a refrigerant enters the large air conditioner refrigerant system dehumidifying device through the filter liquid inlet pipe to be dehumidified.
According to another aspect of the present invention, the present invention further provides a dehumidification method for a large air-conditioning refrigerant system, applied to the dehumidification system for a large air-conditioning refrigerant system, comprising the steps of:
the refrigerant is taken into a compressor evaporator of a large-scale air conditioner refrigerant system, and an end cover screw is unscrewed to detach the filter end cover;
filling a water-absorbing filler into a containing cavity between the first filtering layer and the second filtering layer through the feeding hole, and sealing the feeding hole by using an end cover;
the method comprises the following steps of (1) installing a large-scale air-conditioning refrigerant system dehumidification device into a filter shell, and screwing down an end cover screw to fix a filter end cover on the filter shell;
starting a compressor of a large-scale air-conditioning refrigerant system to compress a refrigerant into liquid, enabling the liquid refrigerant to enter the accommodating cavity through a liquid inlet pipe of the filter to be in contact with the water absorption filler, and enabling the water absorption filler to absorb water in the liquid refrigerant;
after the preset time, if the liquid refrigerant still contains water, the dehumidification is continued after the new water-absorbing filler is replaced until the liquid refrigerant does not contain the water, the dehumidification device of the large-scale air-conditioning refrigerant system is moved out, and a new dry filter element is arranged in a refrigerant system filter to finish the dehumidification work of the refrigerant system.
Compared with the prior art, the dehumidification device, the dehumidification system and the dehumidification method for the refrigerant system of the large air conditioner have the following beneficial effects:
1. according to the dehumidification device for the large air-conditioning refrigerant system, provided by the invention, in the moisture filtration maintenance of the large air-conditioning system, the water absorption filler is filled into the accommodating cavity between the first filter layer and the second filter layer, and the support effect of the support on the water absorption filler ensures that when a refrigerant continuously circulates and passes through the filler, the contained moisture is gradually absorbed into the water absorption filler while the lowest pressure drop of the system is met, the residual moisture contained in the refrigerant system is gradually drained, the workload of maintenance operators is reduced, and the repair efficiency is improved;
2. according to the dehumidification device for the large air conditioner refrigerant system, the accommodating cavity between the first filter layer and the second filter layer is filled with the water absorption color-changing filler and is placed in the filter shell, the water absorption color-changing filler in the support continuously absorbs water in the system along with the operation of a unit and changes color, the water content in the system can be visually observed through the color change condition, and after the water absorption color-changing filler is replaced for many times, the water absorption color-changing filler is thoroughly and stably not changed in color, so that the moisture in the system is thoroughly cleaned and meets the formal operation standard; because the operation life of part of large-scale air conditioners is longer, the water vapor leaks into a refrigerant system collection slightly, when the water amount is small, the water vapor is difficult to find directly, whether the water vapor is generated in the system can be directly judged in the regular maintenance of the large-scale air conditioners through the device, and a visual direct tool is provided for the daily maintenance of the large-scale air conditioners.
Drawings
The above features, technical features, advantages and modes of realisation of the present invention will be further described in the following detailed description of preferred embodiments thereof, which is to be read in connection with the accompanying drawings.
Fig. 1 is a schematic structural diagram of a dehumidifying apparatus of a large-scale air-conditioning refrigerant system according to a preferred embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a dehumidifying system of a large-scale air-conditioning refrigerant system according to a preferred embodiment of the present invention;
fig. 3 is a schematic flow chart illustrating a dehumidifying method of a large air conditioning refrigerant system according to a preferred embodiment of the present invention.
The reference numbers indicate:
the filter comprises a first filter layer 1, a water absorption filler 11, a second filter layer 2, an end cover 3, a support 4, a first end face 41, a feed inlet 411, a second end face 42, a sealing gasket 43, a bolt 44, a refrigerant system filter 5, a filter shell 51, a filter end cover 52, a filter liquid inlet pipe 53 and an end cover screw.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
For the sake of simplicity, only the parts relevant to the invention are schematically shown in the drawings, and they do not represent the actual structure as a product. Moreover, in the interest of brevity and understanding, only one of the components having the same structure or function is illustrated schematically or designated in some of the drawings. In this document, "a" means not only "only one of this but also a case of" more than one ".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
In one embodiment, referring to fig. 1 of the specification, a dehumidification device for a refrigerant system of a large air conditioner according to the present invention includes: first filtering layer 1, second filtering layer 2 and end cover 3, first filtering layer 1 encloses to establish and forms the refrigerant passageway. The second filtering layer 2 encloses the outside of locating first filtering layer 1 at the interval, forms between first filtering layer 1 and the second filtering layer 2 and holds the chamber, and the both ends that hold the chamber have inclosed terminal surface, are provided with feed inlet 411 on one of them terminal surface, hold the intracavity and be provided with filler 11 that absorbs water, and feed inlet 411 is used for loading and unloading filler 11 that absorbs water. End cover 3 sets up in being close to feed inlet 411 department to can dismantle with the terminal surface and be connected, end cover 3 is used for sealing feed inlet 411.
Specifically, the first filter layer 1 is surrounded to form a cylindrical structure, the second filter layer 2 is surrounded to form a cylindrical structure, and the axial cross sections of the first filter layer 1 and the second filter layer 2 form concentric circles. Certainly, the first filter layer 1 and the second filter layer 2 may also be configured in other shapes, in actual use, the first filter layer 1 and the second filter layer 2 are installed in the refrigerant system filter, and the specific structures and shapes of the first filter layer 1 and the second filter layer 2 may be set according to actual requirements.
Further, the dehumidification device of the large-scale air-conditioning refrigerant system further comprises: the support 4 comprises an inner wall, an outer wall, a first end face 41 and a second end face 42, the outer wall is sleeved on the outer side of the inner wall to form a hollow concentric circle structure, hollow structures are arranged on the inner wall and the outer wall, the first end face 41 and the second end face 42 are both of annular structures, two ends of the inner wall are respectively connected with the inner sides of the first end face 41 and the second end face 42, and two ends of the outer wall are respectively connected with the outer sides of the first end face 41 and the second end face 42. First filtering layer 1 sets up on the inner wall of support 4, and second filtering layer 2 sets up on the outer wall of support 4, and feed inlet 411 sets up on first terminal surface 41. A sealing gasket 43 is arranged on one side of the end cover 3 close to the first end face 41, the end cover 3 is fixed on the first end face 41 through a plurality of bolts 44, and the water absorption filler 11 can be assembled and disassembled by disassembling the end cover 3.
Preferably, the inner wall, the outer wall, the first end surface 41 and the second end surface 42 are all made of stainless steel and are welded and fixed into a whole. Wherein, the inner wall is a net structure, and the outer wall is a net structure; the first filtering layer 1 is a stainless steel filtering net, and the second filtering layer 2 is a stainless steel filtering net. The first filtering layer 1 is detachably arranged on one side of the inner wall far away from the outer wall; the second filter layer 2 is detachably arranged on one side of the outer wall far away from the inner wall. Set up the filtering layer in the outside of support 4 and can make things convenient for the change of filtering layer, can change the filtering layer of different specifications according to actual demand for the filtering layer not only can prevent that 11 excessive that absorb water packs, can also carry out the filtering to the impurity in the refrigerant, improves the cleanliness factor of refrigerant.
In this embodiment, in the maintenance of large-scale air conditioning system moisture filtration, fill into the intracavity that holds between first filtering layer 1 and the second filtering layer 2 with absorbent filler 11, through the support effect of support 4 to absorbent filler 11, when guaranteeing that the refrigerant continuous flow passes through absorbent filler 11, in gradually absorbing absorbent filler 11 with contained moisture when satisfying the minimum pressure drop of system, the residual moisture that contains in the refrigerant system is drained gradually, reduce maintenance operation personnel's work load, promote remediation efficiency.
In one embodiment, referring to the attached figure 1 of the specification, on the basis of the embodiment, the water-absorbing filler 11 is a water-absorbing color-changing filler. The water absorbing filler 11 may be a mixture, which not only has a water absorbing function, but also absorbs oil stains or other impurities. The water-absorbing packing 11 contains a silica gel desiccant, which is a highly active adsorbent material, and is usually prepared by reacting sodium silicate with sulfuric acid, and subjecting the reaction product to a series of post-treatments such as aging and acid soaking. The silica gel belongs to an amorphous substance, has a chemical molecular formula of mSiO 2. NH2O, is insoluble in water and any solvent, is nontoxic and tasteless, has stable chemical properties, and does not react with any substance except strong alkali and hydrofluoric acid. The chemical components and physical structure of silica gel determine that it has the characteristic of difficult substitution of many other similar materials, and the silica gel desiccant has the advantages of high adsorption performance, good thermal stability, stable chemical property, higher mechanical strength and the like. For example: the water absorption filler 11 is internally doped with a water absorption color-changing material which can be set to be cobalt chloride, the cobalt chloride used by the water absorption color-changing material can change color when absorbing certain water, and a worker can replace the water absorption filler 11 according to the change of the color, so that the water absorption efficiency of the water absorption filler 11 is ensured.
The water absorption filler 11 can also be allochroic silicagel, which can be blue silicagel, the blue silicagel is prepared by adding a small amount of cobalt chloride (CoCl 2) into silica gel, and the color of the substance containing a small amount of cobalt chloride is blue; when the silica gel absorbs moisture to some extent during drying, cocl2 forms cocl2.6h2o, and the color of the cocl2.6h2o-containing material is pink. This pink color is exhibited when the silica desiccant loses its effect of continuing to absorb water, and the silica desiccant can be regenerated by heating. Of course, the water-absorbing filler 11 may be other water-absorbing color-changing fillers.
According to another aspect of the present invention, referring to fig. 2 of the specification, the present invention further provides a dehumidification system for a large air-conditioning refrigerant system, comprising a dehumidification device for a large air-conditioning refrigerant system and a refrigerant system filter 5. The large-scale air conditioner refrigerant system dehydrating unit includes: the filter comprises a first filter layer 1, a second filter layer 2, an end cover 3 and a support 4, wherein the first filter layer 1 is surrounded to form a refrigerant channel. The second filtering layer 2 encloses the outside of locating first filtering layer 1 at the interval, forms between first filtering layer 1 and the second filtering layer 2 and holds the chamber, and the both ends that hold the chamber have inclosed terminal surface, are provided with feed inlet 411 on one of them terminal surface, hold the intracavity and be provided with the filler 11 that absorbs water, and feed inlet 411 is used for loading and unloading filler 11 that absorbs water. End cover 3 sets up in being close to feed inlet 411 department to can dismantle with the terminal surface and be connected, end cover 3 is used for sealing feed inlet 411. The support 4 comprises an inner wall, an outer wall, a first end face 41 and a second end face 42, the outer wall is sleeved on the outer side of the inner wall to form a hollow concentric circle structure, hollow structures are arranged on the inner wall and the outer wall, the first end face 41 and the second end face 42 are both of annular structures, two ends of the inner wall are respectively connected with the inner sides of the first end face 41 and the second end face 42, and two ends of the outer wall are respectively connected with the outer sides of the first end face 41 and the second end face 42. First filtering layer 1 sets up on the inner wall of support 4, and second filtering layer 2 sets up on the outer wall of support 4, and feed inlet 411 sets up on first terminal surface 41. A sealing gasket 43 is arranged on one side of the end cover 3 close to the first end face 41, the end cover 3 is fixed on the first end face 41 through a plurality of bolts 44, and the water absorption filler 11 can be assembled and disassembled by disassembling the end cover 3.
The refrigerant system filter 5 comprises a filter shell 51, a filter end cover 52 and a filter liquid inlet pipe 53, the large air-conditioning refrigerant system dehumidifying device is installed in the filter shell 51 in a matching mode, the filter end cover 52 is fixed at the end portion of the filter shell 51 through an end cover screw 54, the filter liquid inlet pipe 53 is arranged on the side wall of the filter shell 51, and refrigerant enters the large air-conditioning refrigerant system dehumidifying device through the filter liquid inlet pipe 53 to be dehumidified.
In the embodiment, the water absorption color-changing filler is filled in the accommodating cavity between the first filter layer 1 and the second filter layer 2 and is placed in the filter shell 51, the water absorption color-changing filler in the bracket 4 continuously absorbs water in the system along with the operation of the unit and changes color, the water content in the system can be visually observed through the color change condition, and after the water absorption color-changing filler is replaced for many times, the color does not change any more until the water absorption color-changing filler is completely and stably removed, so that the water contained in the system is thoroughly cleaned and meets the formal operation standard; because the operation life of part of large-scale air conditioners is longer, water vapor slightly leaks into a refrigerant system, when the water amount is small, the water vapor is difficult to directly discover, whether the water vapor is generated in the system can be directly judged in the regular maintenance of the large-scale air conditioner through the device, and a visual direct tool is provided for the daily maintenance of the large-scale air conditioner.
According to another aspect of the present invention, referring to fig. 3 of the drawings, the present invention further provides a dehumidification method for a large air-conditioning refrigerant system, applied to the dehumidification system for a large air-conditioning refrigerant system, comprising the steps of:
s100, the refrigerant is taken into a compressor evaporator of a large-scale air conditioner refrigerant system, and an end cover screw is unscrewed to detach the filter end cover.
Specifically, after water enters the large air-conditioning refrigerant system, even if the compressor is disassembled and overhaul is completed, residual trace moisture in the system runs for a long time under the condition, irreversible damage can be caused to running parts in the machine, the residual moisture in the machine can often run for a long time in the trace water vapor residual system due to the fact that the residual moisture cannot be quantized, the service life of the compressor is greatly shortened, and the residual moisture cannot be found until the compressor is completely damaged. The system is subjected to dewatering operation or water vapor regular cleaning operation daily according to the water inlet maintenance requirement or regular maintenance requirement of the large air conditioner, a refrigerant is taken into a compressor evaporator of a large air conditioner refrigerant system, an end cover screw is unscrewed to detach a filter end cover, so that the dehumidifying device of the large air conditioner refrigerant system is conveniently installed into a refrigerant system filter, and the refrigerant system is dehumidified.
S200, filling water-absorbing filler into the accommodating cavity between the first filtering layer and the second filtering layer through the feeding hole, and sealing the feeding hole by using an end cover.
Specifically, a first filter layer and a second filter layer are fixed on two side walls of the support, the water-absorbing filler is filled into the accommodating cavity through the feed port, and the feed port is sealed by the end cover. The pore diameters of the first filter layer and the second filter layer are smaller than the particle size of the water-absorbing filler, so that the water-absorbing filler cannot flow out of the containing cavity. The water absorption filler can be set as a water absorption color-changing filler and a mixture, so that the water absorption filler not only has a water absorption function, but also can absorb oil stains or other impurities. The water absorption filler 11 can also be allochroic silica gel, the allochroic silica gel can be blue silica gel, the blue silica gel is obtained by adding a small amount of cobalt chloride (CoCl 2) into silica gel, and the color of the substance containing a small amount of cobalt chloride is blue; when the silica gel absorbs moisture to some extent during drying, cocl2 forms cocl2.6h2o, and the color of the cocl2.6h2o-containing material is pink. This pink color is exhibited when the silica desiccant loses its ability to continue to absorb water, and can be regenerated by heating.
S300, the large-scale air-conditioning refrigerant system dehumidifying device is installed in the filter shell, and the end cover screws are screwed down to fix the filter end cover on the filter shell.
Specifically, a refrigerant system filter is generally disposed in the large-scale air-conditioning refrigerant system, and an external structure of the large-scale air-conditioning refrigerant system dehumidification device is similar to a structure of the filter element and can be installed in the refrigerant system filter in an adaptive manner. The filter shell of the original unit is utilized in the minimum range, so that the refrigerant dehumidification of a large-scale air conditioner refrigerant system is realized, and the air conditioner refrigerant dehumidification device is simple to operate and low in cost.
S400, a compressor of a large-scale air-conditioning refrigerant system is started to compress the refrigerant into liquid, the liquid refrigerant enters the containing cavity through the liquid inlet pipe of the filter to be contacted with the water absorption filler, and the water absorption filler absorbs water in the liquid refrigerant.
Specifically, a compressor of a large-scale air-conditioning refrigerant system is started to compress a refrigerant into liquid, the liquid refrigerant enters a filter shell through a liquid inlet pipe of a filter, the liquid refrigerant firstly passes through a hollow structure on the side wall of the bracket and then passes through the second filter layer to enter the accommodating cavity to be contacted with the water-absorbing filler, and the water-absorbing filler absorbs water in the liquid refrigerant; then the liquid refrigerant sequentially passes through the side wall of the bracket and the first filter layer to enter the refrigerant channel, flows out of the filter shell through one end of the refrigerant channel far away from the end cover, and is circulated repeatedly.
And S500, after the preset time, if the liquid refrigerant still contains water, replacing a new water-absorbing filler, continuously dehumidifying until the liquid refrigerant does not contain water, moving out the dehumidifying device of the large-scale air-conditioning refrigerant system, and filling a new dry filter element into a filter of the refrigerant system to finish the dehumidifying work of the refrigerant system.
Specifically, with the operation of the unit, the filler in the bracket continuously absorbs the water in the system to change color, the water content in the system can be visually observed through the color change condition, and after the water absorption color change filler is replaced for multiple times, the water absorption color change filler is not changed until the water absorption color change filler is thoroughly and stably, so that the water contained in the system is thoroughly cleaned; after the liquid refrigerant contains no water, the dehumidifying device of the refrigerant system of the large air conditioner is moved out, and a new dry filter element is arranged in a filter of the refrigerant system, so that the dehumidifying work of the refrigerant system is completed.
In the embodiment, the water absorption color-changing filler is filled in the accommodating cavity between the first filter layer and the second filter layer and is placed in the filter shell, the water absorption color-changing filler in the bracket continuously absorbs water in the system along with the operation of the unit and changes color, the water content in the system can be visually observed through the color change condition, and after the water absorption color-changing filler is replaced for many times until the water absorption color-changing filler is completely and stably kept and does not change color any more, the fact that the water contained in the system is thoroughly and cleanly cleaned is proved, and the water absorption color-changing filler conforms to the formal operation standard; because the operation life of part of large-scale air conditioners is longer, the water vapor leaks into a refrigerant system collection slightly, when the water amount is small, the water vapor is difficult to find directly, whether the water vapor is generated in the system can be directly judged in the regular maintenance of the large-scale air conditioners through the device, and a visual direct tool is provided for the daily maintenance of the large-scale air conditioners.
In the foregoing embodiments, the descriptions of the respective embodiments have their respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a large-scale air conditioner refrigerant system dehydrating unit which characterized in that includes:
the first filtering layer is arranged in a surrounding manner to form a refrigerant channel;
the second filter layer is arranged on the outer side of the first filter layer in a surrounding mode at intervals, a containing cavity is formed between the first filter layer and the second filter layer, two ends of the containing cavity are provided with closed end faces, one end face is provided with a feed inlet, water absorbing filler is arranged in the containing cavity, and the feed inlet is used for loading and unloading the water absorbing filler;
the end cover is arranged close to the feeding hole and detachably connected with the end face, and the end cover is used for sealing the feeding hole.
2. The dehumidifier device of claim 1, wherein the heat exchanger is a heat exchanger,
the first filtering layer is arranged in a surrounding mode to form a cylindrical structure, the second filtering layer is arranged in a surrounding mode to form a cylindrical structure, and the axial cross section of the first filtering layer and the axial cross section of the second filtering layer form a concentric circle.
3. The dehumidifier of claim 2, further comprising:
the support comprises an inner wall, an outer wall, a first end face and a second end face, the outer wall is sleeved on the outer side of the inner wall to form a hollow concentric circle structure, the inner wall and the outer wall are both provided with hollow structures, the first end face and the second end face are both of annular structures, two ends of the inner wall are respectively connected with the inner sides of the first end face and the second end face, and two ends of the outer wall are respectively connected with the outer sides of the first end face and the second end face;
the first filtering layer is arranged on the inner wall of the support, the second filtering layer is arranged on the outer wall of the support, and the feed inlet is arranged on the first end face or the second end face.
4. The large air conditioning refrigerant system dehumidifying device of claim 3,
the first filtering layer is detachably arranged on one side of the inner wall far away from the outer wall;
and/or the second filter layer is detachably arranged on one side, far away from the inner wall, of the outer wall.
5. The dehumidifier device of claim 4, wherein said heat exchanger is a heat exchanger,
the inner wall, the outer wall, the first end face and the second end face are all made of stainless steel materials and are welded and fixed into a whole;
wherein the inner wall is of a net structure, and the outer wall is of a net structure;
and/or the first filtering layer is a stainless steel filtering screen;
and/or the second filtering layer is a stainless steel filtering screen.
6. The large air conditioning refrigerant system dehumidifying device of claim 3,
and one side of the end cover, which is close to the bracket, is provided with a sealing gasket, and the end cover is fixed on the first end face or the second end face through a plurality of bolts.
7. The large-scale air conditioning refrigerant system dehumidifying device as claimed in any one of claims 1 to 6,
the water absorption filler is water absorption color-changing filler.
8. The dehumidifier device of claim 7, wherein said heat exchanger is a heat exchanger,
the water absorption filler is allochroic silica gel.
9. A dehumidification system of a large-scale air-conditioning refrigerant system, comprising the dehumidification device of any one of claims 1 to 8, and further comprising:
the refrigerant system filter comprises a filter shell, a filter end cover and a filter liquid inlet pipe, the large air conditioner refrigerant system dehumidifying device is installed in the filter shell in an adaptive mode, the filter end cover is fixed to the end portion of the filter shell through an end cover screw, the filter liquid inlet pipe is arranged on the side wall of the filter shell, and a refrigerant enters the large air conditioner refrigerant system dehumidifying device through the filter liquid inlet pipe to be dehumidified.
10. A dehumidification method for a large-scale air-conditioning refrigerant system, which is applied to the dehumidification system for a large-scale air-conditioning refrigerant system according to claim 9, comprising the steps of:
collecting the refrigerant into a compressor evaporator of a large-scale air-conditioning refrigerant system, and unscrewing an end cover screw to detach the filter end cover;
filling a water-absorbing filler into a containing cavity between the first filter layer and the second filter layer through the feed port, and sealing the feed port by using an end cover;
the method comprises the following steps of (1) installing a large-scale air-conditioning refrigerant system dehumidification device into a filter shell, and screwing down an end cover screw to fix a filter end cover on the filter shell;
starting a compressor of a large-scale air-conditioning refrigerant system to compress a refrigerant into liquid, enabling the liquid refrigerant to enter the accommodating cavity through a liquid inlet pipe of the filter to be in contact with the water absorption filler, and enabling the water absorption filler to absorb moisture in the liquid refrigerant;
after the preset time, if the liquid refrigerant still contains moisture, the dehumidification is continued after the new water-absorbing filler is replaced until the liquid refrigerant does not contain moisture, the dehumidification device of the large air-conditioning refrigerant system is moved out, and a new dry filter element is arranged in a filter of the refrigerant system, so that the dehumidification of the refrigerant system is completed.
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| CN202210981106.9A CN115342561A (en) | 2022-08-16 | 2022-08-16 | Dehumidification device, system and method for large-scale air conditioner refrigerant system |
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| CN202210981106.9A CN115342561A (en) | 2022-08-16 | 2022-08-16 | Dehumidification device, system and method for large-scale air conditioner refrigerant system |
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