CN116481092B - Pretreatment device based on air conditioner MAU and use method - Google Patents
Pretreatment device based on air conditioner MAU and use method Download PDFInfo
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- CN116481092B CN116481092B CN202310486751.8A CN202310486751A CN116481092B CN 116481092 B CN116481092 B CN 116481092B CN 202310486751 A CN202310486751 A CN 202310486751A CN 116481092 B CN116481092 B CN 116481092B
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- 238000000034 method Methods 0.000 title abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 238000001816 cooling Methods 0.000 claims abstract description 44
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 106
- 238000007790 scraping Methods 0.000 claims description 50
- 238000004140 cleaning Methods 0.000 claims description 29
- 238000004378 air conditioning Methods 0.000 claims description 17
- 238000001802 infusion Methods 0.000 claims description 8
- 238000007781 pre-processing Methods 0.000 claims description 8
- 238000011282 treatment Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 230000002829 reductive effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 238000007711 solidification Methods 0.000 abstract description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 238000004781 supercooling Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 8
- 239000000428 dust Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The application provides a pretreatment device based on an air conditioner MAU and a use method thereof, and relates to the technical field of air conditioner MAUs. The pretreatment device based on the air conditioner MAU comprises an outer box, a primary filtering section, a middle-effect filtering section, a cooling section, a heating section and a centrifugal fan are sequentially arranged in the outer box, the middle-high-efficiency filtering section is communicated with the other end of the outer box, the heat exchange coils are arranged in a plurality of groups, the heat exchange coils are arranged side by side and are mutually communicated, the heat exchange coils are arranged in the shell, the part of the heat exchange coils is in a roundabout design, the roundabout section of the heat exchange coils is in a continuous inclined arrangement, the internal structure of the heating section is the same as the internal structure of the cooling section, the temperature of circulated liquid is different only, the cooling section and the heating section regulate and control the temperature of the air flow, the heat exchange coils in the cooling section and the heating section can empty the liquid in the heat exchange coils, and the situation that the heat exchange coils are blocked or even broken is caused by solidification of accumulated liquid in the heat exchange coils under the supercooling environment is prevented.
Description
Technical Field
The application relates to the technical field of air-conditioning MAU, in particular to a pretreatment device based on the air-conditioning MAU.
Background
MAU in the air conditioning box, also known as fresh air unit, namely the external air conditioning box, is an air conditioning device for providing fresh air, and has the functions of pumping fresh air from the outside to the inside through a fan after dust removal, dehumidification (or humidification), cooling (or heating) and other treatments, and replacing the original air in the inside when entering the indoor space.
When fresh air is provided indoors by the air conditioner fresh air unit, according to the use season, the height of air supply temperature needs to be considered, so that the air conditioner fresh air unit is internally provided with a refrigerating device and a heating device, the change of the internal temperature of the fresh air unit is realized by providing cold and hot liquid for the fresh air unit, and under severe cold environment, once accumulated water is formed in a liquid-passing pipeline of the air conditioner fresh air unit, the pipeline is extremely easy to be blocked due to the fact that the pipeline is stopped after the air conditioner fresh air unit is stopped, and the pipeline is seriously broken due to the increase of the icing volume of the liquid.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a pretreatment device based on an air conditioner MAU, which comprises an outer box, wherein one end in the outer box is sequentially provided with a primary filter section, a middle-effect filter section, a cooling section, a heating section and a centrifugal fan, and the other end of the outer box is communicated with the high-efficiency filter section and further comprises:
the primary filtering section and the intermediate filtering section sequentially filter the air flow entering the outer box;
the cooling section comprises a shell and a heat exchange coil, the shell is fixedly connected to the inner wall of the outer box, the heat exchange coil is fixedly connected to the shell, the heat exchange coils are arranged in a plurality of groups, the heat exchange coils are arranged in parallel and are mutually communicated, the part of the heat exchange coil arranged in the shell is in a roundabout design, and the roundabout section of the heat exchange coil is arranged in a continuous inclined mode;
the internal structure of the heating section is the same as that of the cooling section;
the centrifugal fan is fixedly connected to the outer box, and the centrifugal fan forms air flow in the outer box.
The pretreatment device based on the air conditioner MAU has the beneficial effects that: the centrifugal fan is used for forming air flow inside the outer box, the air flow entering the outer box is subjected to primary purification, the cooling section and the heating section are matched for regulating and controlling the temperature of the air flow, the liquid in the heat exchange coil can be emptied by utilizing the roundabout and continuous inclined design of the heat exchange coil inside the cooling section and the heating section, and the situation that the heat exchange coil is blocked or even broken due to solidification of silted liquid in the heat exchange coil under a supercooling environment is prevented.
In addition, the pretreatment device based on the air conditioner MAU according to the embodiment of the application has the following additional technical characteristics:
in some embodiments of the present application, an air inlet end is disposed at one end of the outer box, and an air outlet end is disposed at the other end of the outer box, and the air outlet end is communicated with the efficient filtering section.
In some embodiments of the present application, wind grooves are symmetrically arranged on the side walls of two sides of the shell.
In some embodiments of the application, the wind grooves are arranged in an inner low-outer high mode.
In some embodiments of the present application, a top plate and a bottom plate are respectively and fixedly connected to two sides of the top and bottom of the shell.
In some embodiments of the application, the end of the housing provided with the bottom plate is communicated with a water draining end, and the water draining end extends out of the outer box.
In some embodiments of the present application, the top ends of the heat exchange coils are connected to liquid inlet ends, and the liquid inlet ends of a plurality of groups of the heat exchange coils are connected to each other.
In some embodiments of the present application, the bottom ends of the heat exchange coils are connected to a liquid outlet end, and the liquid outlet ends of a plurality of groups of the heat exchange coils are connected to each other.
In some embodiments of the present application, the liquid inlet end and the liquid outlet end extend out of the outer box respectively and are communicated with external infusion equipment.
In some embodiments of the present application, the heat exchange coil is provided with a first cleaning assembly and a second cleaning assembly, and the first cleaning assembly and the second cleaning assembly are staggered, wherein the first cleaning assembly and a part of the roundabout section of the heat exchange coil, which is inclined to the same direction, are adapted, and the second cleaning assembly and a part of the roundabout section of the heat exchange coil, which is inclined to the other direction, are adapted.
In some embodiments of the present application, the first cleaning assembly includes a first driving motor, a first bevel gear set, a first screw, a first moving plate, a first auxiliary rod, a first scraping ring, a first water collecting pipe and a first drain pipe, where the first driving motor is fixedly connected to the housing, one end of the first bevel gear set is connected to an output end of the first driving motor, another end of the first bevel gear set is connected to the first screw, the first screw is rotatably connected to the housing, the first moving plate is in threaded fit with the first screw, the first auxiliary rod is fixedly connected to the housing, the first moving plate is in sliding fit with the first auxiliary rod, the first scraping ring is set to a plurality of first scraping rings, the first scraping rings are respectively fixedly connected to the first moving plate, the plurality of first scraping rings are respectively in sliding fit with the same part of the heat exchange coil on the detouring section, the first water collecting pipe is set to a plurality of first water collecting pipes, the first water collecting pipe is rotationally connected to the housing, the first moving plate is in sliding fit with the first water collecting pipe, and the first scraping ring is fixedly connected to the first water collecting pipe.
In some embodiments of the application, the axial cross-section of the first scraper ring is trapezoidal.
In some embodiments of the present application, the axial section of the first water collecting pipe is arranged in a semicircular shape, and the lower end of the first water collecting pipe is arranged in a sealing shape.
In some embodiments of the present application, the second cleaning assembly includes a second driving motor, a second bevel gear set, a second screw, a second moving plate, a second auxiliary rod, a second scraping ring, a second water collecting pipe and a second drain pipe, where the second driving motor is fixedly connected to the housing, one end of the second bevel gear set is connected to an output end of the second driving motor, another end of the second bevel gear set is connected to the second screw, the second screw is rotatably connected to the housing, the second moving plate is in threaded fit with the second screw, the second auxiliary rod is fixedly connected to the housing, the second auxiliary rod is in sliding fit with the second moving plate, the second scraping ring is provided in a plurality, the second scraping rings are respectively fixedly connected to the second moving plate, and are respectively in sliding fit with a portion inclined to another direction on a roundabout section of the heat exchange coil, the second water collecting pipe is provided in a plurality, the second water collecting pipe is provided in sliding fit with the second water collecting pipe, and the second water collecting pipe is respectively connected to the bottom end of the second water collecting pipe.
In some embodiments of the application, the second moving plate and the first moving plate are staggered.
In some embodiments of the application, the second wiper ring and the first wiper ring are identical in structural size.
In some embodiments of the application, the top plate is disposed in a three sided oblique arrangement, wherein a lower surface of the top plate is disposed in a recess.
In some embodiments of the application, the bottom plate is arranged in a three-sided inclined arrangement, wherein the bottom surface of the bottom plate is arranged in a recess.
In some embodiments of the application, the first moving plate and the top plate are slidably fitted, and a top end shape of the first moving plate is adapted to a lower surface of the top plate.
In some embodiments of the application, the first moving plate, the first screw, and the first auxiliary rod are inclined at angles that are consistent with the angles of inclination of the first scraper ring portion on the heat exchange coil, respectively.
In some embodiments of the application, the second moving plate and the bottom plate are slidably fitted, and the bottom end of the second moving plate is shaped to fit the upper surface of the bottom plate.
In some embodiments of the application, the second moving plate, the second screw, and the second auxiliary rod are inclined at angles that are consistent with the angles of inclination of the second scraper ring portion on the heat exchange coil, respectively.
On the other hand, the embodiment of the application further provides a use method of the pretreatment device based on the air conditioner MAU, which comprises the following steps:
step A: the centrifugal fan is started to form negative pressure in the outer box, then air outside the outer box is sucked into the outer box, and the air is primarily purified through the primary filtering section and the intermediate filtering section in sequence;
and (B) step (B): the temperature is adjusted, the primarily purified air passes through the cooling section and the heating section, if the temperature of the air flow is required to be reduced according to the actual use environment, condensate is conveyed into the cooling section by using the heat exchange coil of the cooling section, the air flowing through the cooling section is cooled, if the temperature is required to be increased, high-temperature liquid is conveyed into the cooling section by using the heat exchange coil of the heating section, and the air flowing through the cooling section is heated;
step C: when the pretreatment device is required to be stopped, the liquid in the heat exchange coil is emptied through the external infusion device, and particularly, the part of the heat exchange coil, which is positioned in the shell, is in roundabout and continuous inclined arrangement, so that the liquid in the heat exchange coil can flow to the bottom of the heat exchange coil under the action of gravity and is finally discharged from the liquid outlet end, and then the accumulated liquid cannot be formed in the heat exchange coil.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
In the specific use process, especially when cold air is required to be provided indoors in hot seasons, condensed water is easy to generate on the pipe wall of the heat exchange coil in the pretreatment device in the refrigerating process, if the condensed water is not timely treated, local parts in the pretreatment device are easy to be affected with damp, the conditions of rust on the parts and the like are caused in the long time, and the service life of the parts is reduced.
This preprocessing device based on air conditioner MAU when carrying the lower fresh air of temperature to indoor under the hot environment, can form the comdenstion water on heat exchange coil's pipe wall inevitably, and through first driving motor and second driving motor, drive first movable plate and the reciprocal displacement of second movable plate respectively, then drive first scraping ring and second scraping ring respectively scrape the action with the heat exchange coil who corresponds respectively, scrape the comdenstion water on its outer wall, and the comdenstion water after scraping drops in first water collecting pipe and the second water collecting pipe that corresponds downwards along first scraping ring and second scraping ring, finally on the drain pipe is gone to the bottom plate through first drain pipe and the second drain pipe that first water collecting pipe and second water collecting pipe correspond respectively, then discharge the outer tank by the drain tip, can avoid the comdenstion water to form siltation in the outer tank inside, cause certain degree erosion to the outer tank inside.
This preprocessing device is at refrigerated in-process, the both ends can be unavoidable because of the temperature cause formation comdenstion water at the bottom of its cooling section's the casing top, but carried out the comdenstion water and clear away on heat exchange coil's the pipe wall, but the comdenstion water that the casing top formed can't clear away, under the circulation effect of air current, can make the air current humidity through here great, further the aqueous air current will make the moisture carried to centrifugal fan department, and further carry to high-efficient filter stage, the great air current of humidity can cause long-time erosion to centrifugal fan and high-efficient filter stage, easily cause the impaired or high-efficient filter stage filtration efficiency of centrifugal fan to receive the influence.
In the process that the first movable plate and the second movable plate drive the corresponding first scraping ring and the second scraping ring to scrape the condensed water on the heat exchange coil, the first movable plate and the second movable plate can scrape the inner walls of the top plate and the bottom plate respectively, so that the phenomenon that the condensed water formed on the inner walls of the top plate is not scraped is avoided, the flowing-through air flow is caused to have larger humidity, and meanwhile, the second movable plate scrapes the inner walls of the bottom plate, so that the drainage of condensed water converged on the bottom plate can be accelerated, dust particle dirt deposited on the bottom plate can be removed at the same time, more dirt is avoided, and the overflow of the condensed water on the bottom plate is caused.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic overall structure of an air conditioning MAU-based pretreatment device according to an embodiment of the present application;
fig. 2 is a schematic diagram illustrating an internal structure of an air conditioning MAU-based pretreatment device according to an embodiment of the present application;
FIG. 3 is a schematic view of a partial structure of a cooling section according to an embodiment of the present application;
FIG. 4 is a schematic top plan view of a cooling section according to an embodiment of the present application;
FIG. 5 is a schematic structural view of a housing according to an embodiment of the present application;
FIG. 6 is an exploded view of the housing and heat exchange coil structure according to an embodiment of the present application;
FIG. 7 is a schematic illustration of a first cleaning assembly on a heat exchange coil according to an embodiment of the present application;
FIG. 8 is an exploded view of the first cleaning assembly according to an embodiment of the present application;
FIG. 9 is a schematic illustration of a second cleaning assembly on a heat exchange coil according to an embodiment of the present application;
FIG. 10 is an exploded view of a structure on a heat exchange coil according to an embodiment of the present application;
fig. 11 is a schematic structural view of the first moving plate and the second moving plate respectively matched with the top plate and the bottom plate according to the embodiment of the present application.
Icon: 1. an outer case; 11. an air inlet end; 12. an air outlet end; 2. a primary filtration section; 3. a medium-efficiency filtering section; 4. a cooling section; 41. a housing; 411. a wind groove; 412. a top plate; 413. a bottom plate; 414. a drainage end; 42. a heat exchange coil; 421. a liquid inlet end; 422. a liquid outlet end; 43. a first cleaning assembly; 431. a first driving motor; 432. a first bevel gear set; 433. a first screw; 434. a first moving plate; 435. a first auxiliary lever; 436. a first scraper ring; 437. a first water collecting pipe; 438. a first drain pipe; 44. a second cleaning assembly; 441. a second driving motor; 442. a second bevel gear set; 443. a second screw; 444. a second moving plate; 445. a second auxiliary lever; 446. a second scraper ring; 447. a second water collecting pipe; 448. a second drain pipe; 5. a heating section; 6. and (5) a centrifugal fan.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, based on the embodiments of the application, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the application.
As shown in fig. 1 to 11, the pretreatment device based on an air conditioner MAU according to the embodiment of the present application includes an outer box 1, wherein one end in the outer box 1 is sequentially provided with a primary filter section 2, a middle-effect filter section 3, a cooling section 4, a heating section 5 and a centrifugal fan 6, and the other end of the outer box 1 is communicated with the high-efficiency filter section.
The primary filtering section 2 and the intermediate filtering section 3 sequentially filter the air flow entering the outer box 1;
further, the cooling section 4 comprises a shell 41 and a heat exchange coil 42, the shell 41 is fixedly connected to the inner wall of the outer box 1, the heat exchange coil 42 is fixedly connected to the shell 41, the heat exchange coils 42 are arranged in a plurality of groups, the heat exchange coils 42 are arranged in parallel and are mutually communicated, the part of the heat exchange coil 42 arranged in the shell 41 is in a roundabout design, and the roundabout section of the heat exchange coil 42 is arranged in a continuous inclined mode; the internal structure of the heating section 5 is the same as that of the cooling section 4, and only the temperature of the circulated liquid is different; the centrifugal fan 6 is fixedly connected with the outer box 1, and the centrifugal fan 6 forms air flow in the outer box 1.
It should be noted that, the primary filter section 2 and the secondary filter section 3 are used for filtering the air flow entering the outer box 1, and are mainly used for effectively capturing dust particles with different particle diameters, specifically, the prior art is not described herein.
It should be further noted that, in the high-efficiency filtering section, a micro-electrostatic dust-removing filter screen is adopted to replace the HEPA filter screen, wherein the micro-electrostatic dust-removing filter screen has the advantages of high filtering precision, no risk of exceeding standard ozone, capability of circulating water washing, electrostatic sterilization, inactivation rate up to 99.8%, particle adsorption rate up to 99.99% of 0.3 μm, resistance of 1/7-1/10 of the resistance of the HEPA filter screen, and the like.
The following describes the use procedure of the pretreatment device based on the air conditioner MAU according to the embodiment of the present application with reference to the accompanying drawings:
the centrifugal fan 6 is started, air outside the outer box 1 is sucked into the outer box 1, the air is primarily purified sequentially through the primary filtering section 2 and the secondary filtering section 3, the primarily purified air is subjected to cooling or heating treatment by utilizing the heat exchange coil 42 in the cooling section 4 and the heating section 5 respectively according to actual use environments, when the pretreatment device needs to be stopped, liquid in the heat exchange coil 42 is emptied through external infusion equipment, and the part of the heat exchange coil 42 in the shell 41 is arranged in a roundabout and continuous inclined mode, so that liquid in the heat exchange coil 42 can flow to the lowest end of the heat exchange coil 42 under the action of gravity, liquid accumulation is not formed in the heat exchange coil 42, and blockage or even breakage of the heat exchange coil 42 due to solidification of the accumulated liquid in the heat exchange coil 42 is prevented under supercooling environments.
In addition, the pretreatment device based on the air conditioner MAU according to the embodiment of the application has the following additional technical characteristics:
wherein, the one end of outer container 1 is provided with air inlet end 11, and air inlet end 11 department is provided with the dust screen, and the other end of outer container 1 is provided with air-out end 12, and air-out end 12 communicates in high-efficient filtration section to carry out subsequent treatment to the inside air current of outer container 1.
Further, the side walls on two sides of the casing 41 are symmetrically provided with the air slots 411, the air slots 411 are arranged in a low-inside-outside high mode, and in the design mode, when condensate water is formed on the air slots 411, the condensate water flows into the outer casing 1 along the outer wall of the casing 41, so that the inner water is silted in the outer casing 1, and then other equipment in the outer casing 1 can be damaged.
Wherein, the top and bottom sides of the shell 41 are respectively fixedly connected with a top plate 412 and a bottom plate 413, and the top plate 412, the bottom plate 413 and the shell 41 are fixedly connected in a sealing way, so that water in the shell 41 can be effectively prevented from seeping out of the shell 41.
Further, the end of the casing 41 provided with the bottom plate 413 is communicated with a drain end 414, and the drain end 414 extends out of the outer box 1, specifically, the drain end 414 is communicated with the inclined downward end of the bottom plate 413, so that the liquid collected on the bottom plate 413 can be discharged outwards as much as possible.
Further, the top ends of the heat exchange coils 42 are communicated with liquid inlet ends 421, the liquid inlet ends 421 of the heat exchange coils 42 are communicated with each other, the bottom ends of the heat exchange coils 42 are communicated with liquid outlet ends 422, and the liquid outlet ends 422 of the heat exchange coils 42 are communicated with each other.
Specifically, the liquid inlet end 421 and the liquid outlet end 422 extend out of the outer box 1 respectively and are communicated with external infusion equipment, so that the heat exchange coil 42 can regulate and control the temperature of the air flow passing through the heat exchange coil according to the temperature of the conveyed liquid.
Therefore, when the pretreatment device is used, outside air is sucked into the outer box 1 through the centrifugal fan 6, the air flow entering the outer box 1 is primarily purified through the primary filtering section 2 and the secondary filtering section 3 respectively, then the temperature of the air flow passing through the outer box is regulated and controlled by the heat exchange coil 42 in the cooling section 4 or the heating section 5 according to the use environment, wherein when the device is stopped in the cold environment, the liquid in the heat exchange coil 42 can be pumped out by matching with external infusion equipment from the liquid outlet end 422, the heat exchange coils 42 are in parallel connection, and the heat exchange coils 42 are in roundabout and continuous inclined design, so that the liquid can slide down from the top end of the heat exchange coil 42 until the bottom of the heat exchange coil 42 is finally discharged from the liquid outlet end 422, the situation that the inside of the heat exchange coil 42 is not polluted with the liquid is ensured as much as possible is further avoided in the cold environment, the phenomenon that the heat exchange coil 42 is blocked locally due to solidification of the liquid polluted inside the heat exchange coil 42 is caused even the lower in the cold environment, and the service life of the pretreatment device is prolonged.
In a specific use process, especially when cold air needs to be provided indoors in hot seasons, condensed water is easy to be generated on the pipe wall of the heat exchange coil 42 in the pretreatment device in the refrigerating process, if the condensed water is not timely treated, local parts in the pretreatment device are easy to be affected with damp, rust on the parts is caused in a long time, and the service life of the parts is reduced.
According to some embodiments of the present application, as shown in fig. 7-10, a first cleaning assembly 43 and a second cleaning assembly 44 are disposed on the heat exchange coil 42, where the first cleaning assembly 43 and the second cleaning assembly 44 are staggered, and a portion of the detour section of the first cleaning assembly 43 and the heat exchange coil 42 that is inclined in the same direction is adapted, and a portion of the detour section of the second cleaning assembly 44 and the heat exchange coil 42 that is inclined in the other direction is adapted.
It should be noted that the first cleaning assembly 43 includes a first driving motor 431, a first bevel gear set 432, a first screw 433, a first moving plate 434, a first auxiliary rod 435, a first scraping ring 436, a first water collecting pipe 437 and a first water draining pipe 438, the first driving motor 431 is fixedly connected to the housing 41, one end of the first bevel gear set 432 is connected to the output end of the first driving motor 431, the other end of the first bevel gear set 432 is connected to the first screw 433, the first screw 433 is rotatably connected to the housing 41, the first moving plate 434 is in threaded engagement with the first screw 433, the first auxiliary rod 435 is fixedly connected to the housing 41, and the first moving plate 434 is slidably engaged with the first auxiliary rod 435, so that the first driving motor 431 drives the first bevel gear set 432 to rotate and then drives the first screw 433 to rotate, and under the engagement of the first auxiliary rod 435, the first moving plate 434 is enabled to displace along the axial direction of the first screw 433.
The plurality of first scraping rings 436 are arranged, the plurality of first scraping rings 436 are fixedly connected to the first moving plate 434, and the plurality of first scraping rings 436 are in sliding fit with the same inclined direction on the detour section of the heat exchange coil 42, so that when the first moving plate 434 is displaced, the plurality of first scraping rings 436 which are fixedly connected are synchronously driven to displace, and then the outer wall of a local pipeline on the heat exchange coil 42 can be scraped, and in the process, condensed water on the wall of the scraped part of the heat exchange coil 42 can be scraped.
Further, the plurality of first water collecting pipes 437 are arranged, the plurality of first water collecting pipes 437 are fixedly connected to the housing 41, the plurality of first water collecting pipes 437 are respectively matched with the roundabout section of the heat exchange coil 42 in sliding fit with the first scraping ring 436, the bottom ends of the plurality of first water collecting pipes 437 are respectively communicated with the first water draining pipes 438, and then the scraped condensed water falls into the corresponding first water collecting pipes 437, and then flows down along the first water collecting pipes 437 and finally enters the first water draining pipes 438.
It should be noted that, the axial cross section of the first scraping ring 436 is in a trapezoid shape, so that the first scraping ring 436 is in an outer narrow and inner wide shape, and when the first scraping ring 436 moves reciprocally along the corresponding heat exchange coil 42, the condensed water on the heat exchange coil 42 can be scraped.
It should be further noted that the first scraping ring 436 is made of a flexible material (including but not limited to a rubber material) having a certain elastic deformation capability.
Further, the axial cross section of the first water collecting pipe 437 is semicircular, so that condensed water falling from the upper part of the first water collecting pipe 437 is conveniently contained, and the lower end of the first water collecting pipe 437 is sealed, so that the condensed water is prevented from overflowing.
The second cleaning assembly 44 includes a second driving motor 441, a second bevel gear set 442, a second screw 443, a second moving plate 444, a second auxiliary rod 445, a second scraping ring 446, a second water collecting pipe 447 and a second water discharging pipe 448, wherein the second driving motor 441 is fixedly connected to the housing 41, one end of the second bevel gear set 442 is connected to an output end of the second driving motor 441, the other end of the second bevel gear set 442 is connected to the second screw 443, the second screw 443 is rotatably connected to the housing 41, the second moving plate 444 and the second screw 443 are in threaded fit, the second auxiliary rod 445 is fixedly connected to the housing 41, and the second auxiliary rod 445 and the second moving plate 444 are in sliding fit, and it is necessary to say that the second driving motor 441 has a forward and reverse rotation function, so that the second driving motor 441 drives the second bevel gear set 442 to rotate, and then drives the second screw 443 to reciprocate along an axial direction of the second screw 443 in cooperation with the second auxiliary rod 445.
The second scraping rings 446 are provided in a plurality, the second scraping rings 446 are fixedly connected to the second moving plate 444, and the second scraping rings 446 are slidably matched with the inclined portions of the detour section of the heat exchange coil 42 toward the other direction, so that the second scraping rings 446 are driven to scrape the parts of the heat exchange coil 42 matched with the second scraping rings 446 under the displacement action of the second moving plate 444, and condensate water on the local heat exchange coil 42 can be scraped.
Further, the plurality of second water collecting pipes 447 are provided, the plurality of second water collecting pipes 447 are fixedly connected to the housing 41, and the plurality of second water collecting pipes 447 are respectively matched with the roundabout section of the heat exchange coil 42 in sliding fit with the second scraping ring 446, and the bottom ends of the plurality of second water collecting pipes 447 are respectively communicated with the second water discharging pipe 448, so that it is known that the condensed water falling from the local heat exchange coil 42 enters the second water collecting pipes 447 corresponding to the respective lower parts and finally enters the second water discharging pipe 448 downstream.
It should be noted that, the second moving plate 444 and the first moving plate 434 are staggered, so as to avoid interference between each other when the second moving plate 444 and the first moving plate 434 are displaced.
Further, the second wiper 446 and the first wiper 436 are identical in size.
Therefore, when fresh air with low temperature is delivered indoors in a hot environment, the air conditioning MAU-based pretreatment device inevitably forms condensed water on the pipe wall of the heat exchange coil 42, the first movable plate 434 and the second movable plate 444 are driven to reciprocate by the first driving motor 431 and the second driving motor 441 respectively, then the first scraping ring 436 and the second scraping ring 446 are driven to scrape the corresponding heat exchange coil 42 respectively, the condensed water on the outer wall is scraped off, the scraped condensed water falls into the first water collecting pipe 437 and the second water collecting pipe 447 corresponding downwards along the first scraping ring 436 and the second scraping ring 446, finally the condensed water is discharged onto the bottom plate 413 through the first water collecting pipe 437 and the second water collecting pipe 447 respectively, and then the condensed water is discharged out of the outer tank 1 through the water discharging end 414, so that the condensed water can be prevented from forming a siltation inside the outer tank 1 and causing corrosion to a certain extent inside the outer tank 1.
In the related art, in the refrigeration process, the two ends of the top and bottom of the shell 41 of the cooling section 4 inevitably form condensed water due to temperature, although the condensed water formed at the top of the shell 41 is removed from the pipe wall of the heat exchange coil 42, the condensed water cannot be removed, under the circulation effect of air flow, the air flow passing through the heat exchange coil is higher in humidity, the further water-containing air flow can be carried to the centrifugal fan 6 and further conveyed to the high-efficiency filtering section, the air flow with higher humidity can cause long-time erosion to the centrifugal fan 6 and the high-efficiency filtering section, and the damage to the centrifugal fan 6 or the influence on the filtering efficiency of the high-efficiency filtering section is easily caused.
According to some embodiments of the present application, as shown in fig. 3, 5, 6 and 11, the top plate 412 is disposed with three sides inclined, wherein the lower surface of the top plate 412 is disposed with recesses, and the bottom plate 413 is disposed with three sides inclined, wherein the lower surface of the bottom plate 413 is disposed with recesses.
Wherein, the first movable plate 434 is slidably engaged with the top plate 412, and the top shape of the first movable plate 434 is adapted to the lower surface of the top plate 412, so that the first movable plate 434 can scratch the lower surface of the top plate 412.
It should be noted that the inclination angles of the first moving plate 434, the first screw 433 and the first auxiliary rod 435 are respectively consistent with the inclination angles of the portion of the heat exchange coil 42 sliding with the first scraping ring 436, so that the first moving plate 434 and the first scraping ring 436 thereon are respectively matched with the top plate 412 and the heat exchange coil 42.
The second moving plate 444 is slidably matched with the bottom plate 413, and the bottom end shape of the second moving plate 444 is adapted to the upper surface of the bottom plate 413 (in this embodiment, a plurality of through holes are additionally formed in the second moving plate 444, so that when the second moving plate 444 scrapes the bottom plate 413 back and forth, water flow on the bottom plate 413 can pass through the bottom end of the second moving plate 444 and cannot overflow the bottom plate 413, so that condensed water collected on the bottom plate 413 by the second moving plate 444 is conveniently and rapidly discharged, dust particles carried in the primarily purified air flow are deposited on the bottom plate 413 due to the condensed water, and the dust particles can be cleaned out from the water discharge end 414 through the reciprocating displacement of the second moving plate 444.
The tilt angles of the second moving plate 444, the second screw 443, and the second auxiliary lever 445 are respectively identical to those of the portion of the heat exchange coil 42 on which the second scraper ring 446 slides.
Therefore, in the process that the first movable plate 434 and the second movable plate 444 drive the corresponding first scraping ring 436 and the corresponding second scraping ring 446 to scrape the condensed water on the heat exchange coil 42, the first movable plate 434 and the second movable plate 444 can scrape the inner walls of the top plate 412 and the bottom plate 413 respectively, so that the phenomenon that the condensed water formed on the inner wall of the top plate 412 is not scraped, the flowing-through air flow has larger humidity is avoided, meanwhile, the second movable plate 444 scrapes the inner wall of the bottom plate 413, the drainage of condensed water converged on the bottom plate 413 can be accelerated, dust particles and dirt accumulated on the bottom plate 413 can be removed at the same time, and the phenomenon that the condensed water on the bottom plate 413 overflows due to more dirt is avoided.
On the other hand, the embodiment of the application further provides a use method of the pretreatment device based on the air conditioner MAU, which comprises the following steps:
the air primary purification, the centrifugal fan 6 is started to form negative pressure in the outer box 1, then the air outside the outer box 1 is sucked into the outer box 1, and the air is primarily purified through the primary filtering section 2 and the intermediate filtering section 3 in sequence;
the temperature is adjusted, the air after preliminary purification passes through the cooling section 4 and the heating section 5, if the temperature of the air flow is required to be reduced according to the actual use environment, condensate is conveyed into the cooling section by using the heat exchange coil 42 of the cooling section 4, the air flowing through the cooling section is subjected to cooling treatment, and if the temperature is required to be increased, high-temperature liquid is conveyed into the cooling section by using the heat exchange coil 42 in the heating section 5, and the air flowing through the cooling section is subjected to heating treatment;
when the pretreatment device needs to be stopped, the liquid in the heat exchange coil 42 is emptied through the external infusion device, specifically, the part of the heat exchange coil 42 in the shell 41 is in roundabout and continuous inclined arrangement, so that the liquid in the heat exchange coil is led to the bottom of the heat exchange coil 42 under the action of gravity and finally is discharged from the liquid outlet end 422, and then the liquid accumulation in the heat exchange coil 42 can not be formed.
It should be noted that, specific model specifications of the primary filter section 2, the secondary filter section 3, the first driving motor 431, the first bevel gear set 432, the first screw 433, the second driving motor 441, the second bevel gear set 442, the second screw 443, and the centrifugal fan 6 need to be determined by selecting a model according to actual specifications of the device, and a specific model selection calculation method adopts the prior art in the art, so that detailed description is omitted.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. Pretreatment device based on air conditioner MAU contains outer box (1), the one end in outer box (1) has set gradually first effect filter stage (2), well effect filter stage (3), cooling section (4), heating section (5) and centrifugal fan (6), the other end intercommunication high-efficient filter stage of outer box (1), its characterized in that:
the primary filtering section (2) and the intermediate filtering section (3) sequentially filter the air flow entering the outer box (1);
the cooling section (4) comprises a shell (41) and a heat exchange coil (42), the shell (41) is fixedly connected to the inner wall of the outer box (1), the heat exchange coil (42) is fixedly connected to the shell (41), the heat exchange coils (42) are arranged in a plurality of groups, the heat exchange coils (42) are arranged in parallel and are mutually communicated, the part of the heat exchange coil (42) arranged in the shell (41) is in a roundabout design, and the roundabout section of the heat exchange coil (42) is arranged in a continuous inclined mode;
the heat exchange coil (42) is provided with a first cleaning assembly (43) and a second cleaning assembly (44), the first cleaning assembly (43) and the second cleaning assembly (44) are arranged in a staggered mode, wherein the first cleaning assembly (43) and the detour section of the heat exchange coil (42) are matched with each other in a part inclined to the same direction, and the second cleaning assembly (44) and the detour section of the heat exchange coil (42) are matched with each other in a part inclined to the other direction;
the first cleaning component (43) comprises a first driving motor (431), a first bevel gear set (432), a first screw (433), a first movable plate (434), a first auxiliary rod (435), a first scraping ring (436), a first water collecting pipe (437) and a first water draining pipe (438), wherein the first driving motor (431) is fixedly connected with the shell (41), one end key of the first bevel gear set (432) is connected with the output end of the first driving motor (431), the other end key of the first bevel gear set (432) is connected with the first screw (433), the first screw (433) is rotationally connected with the shell (41), the first movable plate (434) is in threaded fit with the first screw (433), the first auxiliary rod (435) is fixedly connected with the shell (41), the first movable plate (434) is in sliding fit with the first auxiliary rod (435), the first scraping ring (436) is arranged into a plurality, the plurality of first scraping rings (436) are respectively connected with the first heat exchanging pipe (437) in a plurality of directions, the same as the first coiled pipe (437) is fixedly connected with the first heat exchanging pipe (41), the plurality of first water collecting pipes (437) are respectively matched with the roundabout section of the heat exchange coil (42) in sliding fit with the first scraping ring (436), and the bottom ends of the plurality of first water collecting pipes (437) are respectively communicated with the first drain pipe (438);
the second cleaning component (44) comprises a second driving motor (441), a second bevel gear set (442), a second screw (443), a second moving plate (444), a second auxiliary rod (445), a second scraping ring (446), a second water collecting pipe (447) and a second water discharging pipe (448), wherein the second driving motor (441) is fixedly connected with the housing (41), one end key of the second bevel gear set (442) is connected with the output end of the second driving motor (441), the other end key of the second bevel gear set (442) is connected with the second screw (443), the second screw (443) is rotationally connected with the housing (41), the second moving plate (444) and the second screw (443) are in threaded fit, the second auxiliary rod (445) is fixedly connected with the housing (41), the second auxiliary rod (445) and the second moving plate (444) are in sliding fit, the second scraping ring (446) is arranged to be multiple, the second scraping ring (446) is fixedly connected with the second heat exchanging pipe (447) in multiple directions, the second scraping ring (446) is fixedly connected with the second heat exchanging pipe (41) in multiple directions, the multiple heat exchanging pipe (447) is fixedly connected with the second heat exchanging pipe (41), the second water collecting pipes (447) are respectively matched with the detour sections of the heat exchange coil (42) in sliding fit with the second scraping rings (446), and the bottom ends of the second water collecting pipes (447) are respectively communicated with the second water discharging pipes (448);
the internal structure of the heating section (5) is the same as the internal structure of the cooling section (4);
the centrifugal fan (6) is fixedly connected to the outer box (1), and the centrifugal fan (6) forms air flow in the outer box (1).
2. The air conditioning MAU-based preprocessing device of claim 1, wherein: one end of the outer box (1) is provided with an air inlet end (11), the other end of the outer box (1) is provided with an air outlet end (12), and the air outlet end (12) is communicated with the high-efficiency filtering section.
3. The air conditioning MAU-based preprocessing device of claim 2, wherein: wind slots (411) are symmetrically arranged on the side walls of the two sides of the shell (41).
4. The air conditioning MAU-based pretreatment device of claim 3, wherein: the wind groove (411) is arranged in an inner low and outer high mode.
5. The air conditioning MAU-based preprocessing device of claim 1, wherein: a top plate (412) and a bottom plate (413) are fixedly connected to the two sides of the top and the bottom of the shell (41) respectively.
6. The air conditioning MAU-based pretreatment device of claim 5, wherein: one end of the shell (41) provided with the bottom plate (413) is communicated with a water draining end (414), and the water draining end (414) extends out of the outer box (1).
7. The air conditioning MAU-based preprocessing device of claim 6, wherein: the top end of the heat exchange coil (42) is communicated with a liquid inlet end (421), and a plurality of groups of liquid inlet ends (421) of the heat exchange coil (42) are mutually communicated.
8. The air conditioning MAU-based preprocessing device of claim 7, wherein: the bottom end of the heat exchange coil (42) is communicated with a liquid outlet end (422), and a plurality of groups of liquid outlet ends (422) of the heat exchange coil (42) are mutually communicated.
9. The air conditioning MAU-based preprocessing device of claim 8, wherein: the liquid inlet end (421) and the liquid outlet end (422) extend out of the outer box (1) respectively and are communicated with external infusion equipment.
10. Use of an air conditioning MAU based pretreatment device according to any of the claims 1-9, characterized in that it comprises the following steps:
step A: the centrifugal fan (6) is started to form negative pressure in the outer box (1), then air outside the outer box (1) is sucked into the outer box (1), and the air is primarily purified through the primary filtering section (2) and the intermediate filtering section (3) in sequence;
and (B) step (B): the temperature is adjusted, the primarily purified air passes through the cooling section (4) and the heating section (5), if the air flow temperature is required to be reduced according to the actual use environment, condensate is conveyed into the cooling section by using the heat exchange coil (42) of the cooling section (4), the air flowing through the cooling section is subjected to cooling treatment, if the air flow is required to be heated, high-temperature liquid is conveyed into the cooling section by using the heat exchange coil (42) of the heating section (5), and the air flowing through the cooling section is subjected to heating treatment;
step C: when the pretreatment device is required to be stopped, the liquid in the heat exchange coil (42) is emptied through the external infusion device, specifically, the part of the heat exchange coil (42) positioned in the shell (41) is in roundabout and continuous inclined arrangement, so that the liquid in the heat exchange coil can flow to the bottom of the heat exchange coil (42) under the action of gravity, and finally is discharged from the liquid outlet end (422), so that the accumulated liquid cannot be formed in the heat exchange coil (42).
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