CN117387208B - Condensate water recovery mechanism for combined air conditioning unit - Google Patents

Abstract

The present invention discloses a condensate recovery mechanism for a combined air-conditioning unit, including a water receiving tray and a recovery box, wherein a primary filter component and a secondary filter component are respectively arranged inside the recovery box. The present invention relates to the technical field of combined air-conditioning units, and specifically provides a method for filtering condensate water in succession by arranging a primary filter component and a secondary filter component inside a recovery box, thereby effectively removing impurities in the condensate water, ensuring the quality of the water, and then reusing the treated condensate water in the cooling system or other related systems inside the air-conditioning unit, so as to save water resources and energy; in addition, by recycling the condensate water, the air-conditioning unit can reduce its dependence on the tap water system, effectively save water resources and reduce water use costs. At the same time, recycling the condensate water can also reduce the burden on the environment and reduce the amount of sewage discharged, and has important application value in energy conservation, environmental protection and sustainable development.

Description

Condensate recovery mechanism for combined air conditioning unit

Technical Field

The invention relates to the technical field of combined air-conditioning units, and in particular to a condensate recovery mechanism for a combined air-conditioning unit.

Background Art

Combined air conditioning unit is an air handling equipment assembled from various air handling functional sections. It is suitable for air conditioning systems with resistance greater than 100Pa. The air handling functional sections of the unit include air mixing, flow balancing, filtration, cooling, primary and secondary heating, dehumidification, humidification, air supply fan, return fan, water spraying, silencer, heat recovery and other units. Studies have shown that the condensed water of air conditioners is generally 10-15℃, which shows that this part of water resources contains huge cooling capacity. In summer, the amount of condensed water generated in these air conditioning boxes every day is huge, and the temperature is low, the impurities are few, the hardness is low, and it has a high recycling value.

The traditional method of treating air-conditioning condensate water is to directly discharge the condensate water into the sewer as waste water resources, which not only causes a large amount of water waste, but also increases the pressure on the city's drainage system and the risk of environmental pollution. In order to solve the above-mentioned technical problems, we proposed a condensate water recovery mechanism for combined air-conditioning units.

Summary of the invention

In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a condensate recovery mechanism for a combined air-conditioning unit, in order to solve the waste of a large amount of water resources in the air-conditioning unit, which increases the pressure on the city's drainage system and the risk of environmental pollution.

To achieve the above objectives, the present invention is implemented through the following technical solutions: a condensed water recovery mechanism for a combined air-conditioning unit, comprising a water receiving pan and a recovery box, wherein the water receiving pan is located at the bottom of the air-conditioning unit and is fixed by bolts, and the recovery box is located at the top of the air-conditioning unit and is fixed by bolts, a water collecting rack is arranged at the bottom of the water receiving pan, and the interior of the water collecting rack is connected with the interior of the water receiving pan, a water supply pump is arranged on one side of the water collecting rack, and the water inlet end of the water supply pump is connected with the interior of the water collecting rack, and the water outlet end of the water supply pump is connected with the interior of the recovery box through a water supply pipe;

A primary filter assembly is provided on one side of the recovery box, and the primary filter assembly is used to filter and recover particulate matter in the condensed water;

A partition frame is provided inside the recycling box, and a fixing plate is provided on one side of the partition frame, and the partition frame and the fixing plate divide the interior of the recycling box into a primary recycling chamber, a secondary recycling chamber, a tertiary recycling chamber and an impurity collection chamber;

A secondary filter assembly is disposed inside the partition frame, and the secondary filter assembly is used to process the filtered condensed water again to meet the standards for reuse;

The primary filter assembly includes a mounting frame, and the mounting frame is fixedly arranged at one side of the inner wall of the recovery box, two filter chambers are arranged inside the mounting frame, and water supply frames are arranged inside the two filter chambers, one end of the water supply pipe is communicated with the inside of the two water supply frames respectively through a shunt pipe, a rotating impeller is rotatably arranged inside the two water supply frames, and a cleaning frame is fixedly arranged on one side of the rotating impeller, a water outlet frame is also arranged on one side of the water supply frame, and the inside of the water outlet frame is communicated with the inside of the water supply frame, a filter frame is arranged on one side of the inside of the filter chamber, a first filter screen is also arranged on one side of the inside of the filter frame, and one side of the first filter screen is in sliding contact with one side of the cleaning frame;

The secondary filter assembly comprises a fixing frame, and the fixing frame is arranged above the interior of the partition frame, two processing chambers are arranged inside the fixing frame, and a sand filter frame and an activated carbon frame are respectively arranged inside the two processing chambers.

Furthermore, a circulation pump is provided on one side of the recovery box, and the water inlet end of the circulation pump is connected to the interior of the recovery box, a circulation water inlet pipe is provided on the water outlet end of the circulation pump, a circulation water outlet pipe is provided on the other side of the recovery box, and one end of the circulation water outlet pipe is connected to the interior of the recovery box, a spiral heat exchange tube is provided on the circulation water inlet pipe and one end of the circulation water inlet pipe, and the spiral heat exchange tube is located inside the fresh air duct.

Furthermore, a closing plate is provided on one side of the mounting frame and on one side of the two filter chambers, a micro electric cylinder is provided inside the mounting frame and around the two filter chambers, and a driving end of the micro electric cylinder is fixedly connected to one side of the closing plate.

Furthermore, a slag discharge channel is provided on one side of the bottom of the inner wall of the two filter chambers, and an electrically controlled baffle is provided inside the slag discharge channel, and one end of the slag discharge channel extends to the inside of the impurity collection chamber.

Furthermore, a second filter screen is arranged at the lower part of the impurity collection chamber, a guide hole is arranged at the lower part of the fixed plate, and a one-way valve is arranged inside the guide hole, wherein the direction of the one-way valve is from the impurity collection chamber toward the interior of the primary recovery chamber, and a collection frame is also arranged on one side of the interior of the impurity collection chamber.

Furthermore, the water inlet end of the circulation pump is communicated with the interior of the tertiary recovery chamber, and one end of the circulation water outlet pipe is communicated with the interior of the primary recovery chamber.

Furthermore, a water pump is provided on the top of the fixing frame and above the secondary recovery chamber and the tertiary recovery chamber, and water pump pipes are provided at both ends of the water pump.

Furthermore, the water inlet ends of the two water pumps are respectively connected to the interior of the primary recovery chamber and the secondary recovery chamber through water pumping pipes, and the water outlet ends of the two water pumps are respectively connected to the interior of the two processing chambers inside the fixed frame.

Furthermore, a cleaning channel is arranged above the interior of the two processing chambers, and one end of the two cleaning channels is connected to the interior of the impurity collection chamber. A movable baffle is arranged at the bottom of the fixed frame and at the bottom of the two processing chambers, and the two movable baffles are driven by an electric slider.

Furthermore, a flushing pipe is provided on one side of the partition frame, one end of the flushing pipe is communicated with the interior of the circulating water outlet pipe, and the other end of the flushing pipe is communicated with the lower parts of the interiors of the two processing chambers respectively.

The beneficial effects achieved by the present invention using the above structure are as follows:

1. A water collecting pan is set at the bottom of the air-conditioning unit, and the condensed water generated in the air-conditioning unit is collected by the water collecting pan and sent to the inside of the water collecting rack. The condensed water collected in the water collecting rack is then sent to the inside of the recovery box through the water pipe by a water pump for treatment and filtering, thereby effectively removing impurities in the condensed water and ensuring the quality of the water. The treated condensed water is then reused in the cooling system or other related systems inside the air-conditioning unit to achieve the purpose of saving water resources and energy. In addition, by recycling the condensed water, the air-conditioning unit can reduce its dependence on the tap water system, effectively save water resources and reduce water costs. At the same time, recycling the condensed water can also reduce the burden on the environment and reduce the amount of sewage discharged. It has important application value in energy conservation, environmental protection and sustainable development.

2. The treated condensed water inside the recovery box is sent into the spiral heat exchange tube through the circulating water inlet pipe by a circulating pump, and the air inside the fresh air duct is cooled by the spiral heat exchange tube, so as to save the power consumption of the refrigerator. Then, the condensed water is sent into the recovery box through the circulating water outlet pipe to realize the recycling of the condensed water. The condensed water inside the spiral heat exchange tube can always be kept at a low temperature, which can have a better cooling effect on the air inside the fresh air duct.

3. The condensed water is filtered and treated by using a primary filter component and a secondary filter component respectively inside the recovery box, and the condensed water is filtered and treated by using the filter racks inside the two filter chambers in cooperation with the first filter net to achieve primary filtering treatment of the condensed water. While the first filter net is filtering the condensed water, the cleaning rack continuously scrapes one side of the first filter net driven by the rotating impeller to ensure that the first filter net effectively filters the condensed water and prevents impurities in the condensed water from clogging the inside of the first filter net. The condensed water is filtered and treated by using the sand filter rack and the activated carbon rack inside the two treatment chambers to obtain condensed water after secondary filtering treatment, which greatly improves the water quality of the condensed water. After multiple filtering treatments of the condensed water, impurities and solid particles in the condensed water are effectively removed to ensure that the treated condensed water meets the standards for reuse. By recycling the condensed water in the combined air-conditioning unit, water resources and energy are saved and the burden on the environment is reduced.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

FIG1 is a schematic diagram of a condensate recovery mechanism structure for a combined air conditioning unit according to an embodiment of the present invention;

FIG2 is a schematic diagram of a water receiving tray and a recovery box structure according to an embodiment of the present invention;

FIG3 is a schematic diagram of the internal structure of a recycling box according to an embodiment of the present invention;

FIG4 is a schematic diagram of the structure of the mounting frame and the water delivery frame according to an embodiment of the present invention;

FIG5 is a schematic diagram of a mounting frame and a closing plate structure according to an embodiment of the present invention;

FIG6 is a schematic diagram of a recycling box and a partition frame structure according to an embodiment of the present invention;

FIG7 is a schematic diagram of a recovery box and a fixing frame structure according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of the internal structure of the fixing frame according to an embodiment of the present invention.

In the figure, 1. water receiving tray; 2. recovery box; 3. water collecting rack; 4. water supply pump; 5. water supply pipe; 6. partition rack; 7. fixing plate; 8. second filter; 9. collecting frame; 11. mounting rack; 12. water supply rack; 13. rotating impeller; 14. cleaning rack; 15. water outlet rack; 16. filter rack; 17. first filter; 18. closing plate; 19. micro electric cylinder; 21. fixing rack; 22. water pump; 23. sand filter rack; 24. activated carbon rack; 25. movable baffle; 26. flushing pipe; 31. circulation pump; 32. circulation water inlet pipe; 33. circulation water outlet pipe; 34. spiral heat exchange tube.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

Example 1

Please refer to Figures 1 to 8, a condensate recovery mechanism for a combined air-conditioning unit includes a water receiving pan 1 and a recovery box 2, the water receiving pan 1 is located at the bottom of the air-conditioning unit and is fixed by bolts, the recovery box 2 is located at the top of the air-conditioning unit and is fixed by bolts, a water collecting frame 3 is provided at the bottom of the water receiving pan 1, and the interior of the water collecting frame 3 is connected with the interior of the water receiving pan 1, wherein the interior of the water receiving pan 1 is provided with an inclined surface with high sides and low middle, the condensate inside the air-conditioning unit is sent into the interior of the water receiving pan 1 through a water guide pipe, and then the condensate enters the interior of the water collecting frame 3 along the inclined surface, a water supply pump 4 is provided on one side of the water collecting frame 3, and the water inlet end of the water supply pump 4 is connected with the interior of the water collecting frame 3, and the water outlet end of the water supply pump 4 is connected through a water supply pipe 5 is connected with the inside of the recovery box 2, and the condensed water collected in the water collecting rack 3 is sent to the inside of the recovery box 2 through the water feeding pipe 5 by the water feeding pump 4 for treatment and then filtering, so as to effectively remove impurities in the condensed water and ensure the quality of the water. The treated condensed water is then reused in the cooling system or other related systems inside the air-conditioning unit to achieve the purpose of saving water resources and energy. In addition, by recycling the condensed water, the dependence of the air-conditioning unit on the tap water system can be reduced, water resources can be effectively saved and the water cost can be reduced. At the same time, recycling the condensed water can also reduce the burden on the environment and reduce the amount of sewage discharged, which has important application value in energy conservation, environmental protection and sustainable development.

Please refer to Figure 2, a circulation pump 31 is also provided on one side of the recovery box 2, and the water inlet end of the circulation pump 31 is connected to the interior of the recovery box 2, and a circulation water inlet pipe 32 is provided on the water outlet end of the circulation pump 31, and a circulation water outlet pipe 33 is provided on the other side of the recovery box 2, and one end of the circulation water outlet pipe 33 is connected to the interior of the recovery box 2, and the circulation water inlet pipe 32 and one end of the circulation water inlet pipe 32 are provided with a spiral heat exchange tube 34, and the spiral heat exchange tube 34 is arranged inside the fresh air duct, and the treated condensed water inside the recovery box 2 is sent to the inside of the spiral heat exchange tube 34 through the circulation water inlet pipe 32 through the circulation pump 31, and the air inside the fresh air duct is cooled by the spiral heat exchange tube 34, so as to achieve the effect of saving the power consumption of the refrigerator, and then the condensed water is sent to the inside of the recovery box 2 through the circulation water outlet pipe 33, so as to realize the recycling of the condensed water, and the condensed water inside the spiral heat exchange tube 34 can be kept in a low temperature state at all times, which can have a better cooling effect on the air inside the fresh air duct.

Furthermore, a primary filter assembly is provided on one side of the interior of the recovery box 2, and the primary filter assembly includes a mounting frame 11, and the mounting frame 11 is fixedly provided on one side of the inner wall of the recovery box 2, two filter chambers are provided inside the mounting frame 11, and a water supply frame 12 is provided inside the two filter chambers, one end of the water supply pipe 5 is communicated with the interior of the two water supply frames 12 respectively through a shunt pipe, and automatic control valves are provided at both ends of the shunt pipe, a rotating impeller 13 is rotatably provided inside the two water supply frames 12, and a cleaning frame 14 is fixedly provided on one side of the rotating impeller 13, and a water outlet frame 15 is also provided on one side of the water supply frame 12, and the interior of the water outlet frame 15 is connected to the interior of the water supply frame 12. The interior is connected, wherein the interior of the water delivery rack 12 is provided with an inner flow channel and an outer flow channel, one side of the inner flow channel is provided with a through hole connected to the interior of the outer flow channel, one side of the outer flow channel is connected to the interior of the water outlet rack 15, and one side of the water outlet rack 15 is provided with a water outlet, the water delivery pipe 5 passes the condensed water into the interior of the water delivery rack 12 through the diversion pipe, and the condensed water drives the rotating impeller 13 to rotate during the flow inside the water delivery rack 12, and finally the condensed water enters the interior of the filter chamber through the water outlet rack 15, a filter rack 16 is provided on one side of the interior of the filter chamber, and a first filter screen 17 is also provided on one side of the interior of the filter rack 16, and one side of the first filter screen 17 is in sliding contact with one side of the cleaning rack 14.

It should be noted that when the condensed water entering the recovery box 2 is subjected to primary filtration treatment, the condensed water is sent into the two filter chambers through the water supply pipe 5 in cooperation with the diversion pipe, and the filter frame 16 inside the two filter chambers is used to cooperate with the first filter screen 17 to filter the condensed water, thereby realizing primary filtration treatment of the condensed water. While the first filter screen 17 is filtering the condensed water, the cleaning frame 14 is driven by the rotating impeller 13 to continuously scrape one side of the first filter screen 17 to ensure that the first filter screen 17 effectively filters the condensed water and prevents impurities in the condensed water from clogging the inside of the first filter screen 17 and affecting the filtering efficiency of the first filter screen 17 for the condensed water.

Furthermore, a closing plate 18 is provided on one side of the mounting frame 11 and on one side of the two filter chambers, a micro-electric cylinder 19 is provided inside the mounting frame 11 and around the two filter chambers, and a driving end of the micro-electric cylinder 19 is fixedly connected to one side of the closing plate 18, a slag discharge channel is provided on one side of the bottom of the inner wall of the two filter chambers, and an electric control baffle is provided inside the slag discharge channel, and the impurities inside the two filter chambers in the primary filter assembly are periodically processed by the PLC control system, and one of the filter chambers is cleaned each time, using The other filter chamber normally filters the condensed water, allowing the first-level filter assembly to filter the condensed water without stopping. When cleaning the impurities inside the filter chamber, the driving end of the micro-electric cylinder 19 drives the closing plate 18 to close one side of the filter chamber, and then the electric control baffle inside the slag discharge channel in the filter chamber is controlled to open. After the water supply rack 12 delivers the condensed water into the filter chamber, the impurities inside the filter chamber will be sent out along the inside of the slag discharge channel, thereby realizing automatic cleaning of the impurities inside the filter chamber.

Furthermore, a partition frame 6 is provided inside the recovery box 2, and a fixed plate 7 is provided on one side of the partition frame 6, the partition frame 6 and the fixed plate 7 divide the interior of the recovery box 2 into a primary recovery chamber, a secondary recovery chamber, a tertiary recovery chamber and an impurity collection chamber, a second filter screen 8 is provided below the interior of the impurity collection chamber, a guide hole is provided below the fixed plate 7, and a one-way valve is provided inside the guide hole, wherein the direction of the one-way valve is from the impurity collection chamber toward the interior of the primary recovery chamber, one end of the slag discharge channel extends to the interior of the impurity collection chamber, a collection frame 9 is also provided on one side of the interior of the impurity collection chamber, the water inlet end of the circulation pump 31 is connected to the interior of the tertiary recovery chamber, and one end of the circulation outlet pipe 33 is connected to The interior of the primary recovery chamber is connected, and a secondary filter component is arranged inside the partition frame 6. The condensed water treated by the primary filter component enters the interior of the primary recovery chamber. The condensed water inside the primary recovery chamber is treated by the secondary filter component and then sent to the interiors of the secondary recovery chamber and the tertiary recovery chamber respectively. After multi-stage treatment of the condensed water, the water quality of the condensed water is improved, and the condensed water that meets the use requirements is used in the cooling tower, cooling cycle and cooler in the cooling system. At the same time, the condensed water inside the tertiary recovery chamber is sent to the interior of the spiral heat exchange tube 34 for use, which can reduce the generation of scale inside the spiral heat exchange tube 34 and improve the cooling effect of the spiral heat exchange tube 34 on the air inside the fresh air duct.

Further, the secondary filtration assembly includes a fixed frame 21, and the fixed frame 21 is arranged above the interior of the partition frame 6, a water pump 22 is arranged on the top of the fixed frame 21 and above the secondary recovery chamber and the tertiary recovery chamber, and both ends of the water pump 22 are provided with a water pump pipe, two treatment chambers are arranged inside the fixed frame 21, and the interiors of the two treatment chambers are respectively provided with a sand filter frame 23 and an activated carbon frame 24, wherein the water inlet ends of the two water pumps 22 are respectively connected to the interiors of the primary recovery chamber and the secondary recovery chamber through the water pump pipes, and the two water pumps 2 The water outlet ends of 2 are respectively communicated with the interiors of the two processing chambers inside the fixed frame 21, and the upper parts of the interiors of the two processing chambers are provided with cleaning flow channels, and one end of the two cleaning flow channels is communicated with the interior of the impurity collection chamber. The bottom of the fixed frame 21 and the bottom of the two processing chambers are provided with movable baffles 25, and the two movable baffles 25 are driven by an electric slider. A flushing pipe 26 is provided on one side of the partition frame 6, and one end of the flushing pipe 26 is communicated with the interior of the circulating water outlet pipe 33, and the other end of the flushing pipe 26 is respectively communicated with the lower parts of the interiors of the two processing chambers.

It should be noted that when the condensed water is subjected to secondary treatment, the condensed water inside the primary recovery chamber is pumped into the interior of the treatment chamber by the water pump 22 above the secondary recovery chamber, and the condensed water is filtered by the sand filter frame 23. The condensed water inside the secondary recovery chamber is then pumped into another treatment chamber by the water pump 22 above the tertiary recovery chamber, and the condensed water is filtered by the activated carbon frame 24 to obtain condensed water after secondary filtration treatment, which greatly improves the water quality of the condensed water. After multiple filtration treatments of the condensed water, impurities and solid particles in the condensed water are effectively removed to ensure that the treated condensed water meets the standards for reuse. By recycling the condensed water in the combined air-conditioning unit, water resources and energy are saved, and the burden on the environment is reduced.

When cleaning impurities inside the two processing chambers, condensed water is sent to the bottom of the two processing chambers through the flushing pipe 26 to backwash the sand filter frame 23 and the activated carbon frame 24, so that the impurities on the sand filter frame 23 and the activated carbon frame 24 enter the interior of the impurity collection chamber along the cleaning flow channel.

Example 2

A method for recovering condensed water of a combined air conditioning unit is as follows:

The condensed water inside the air conditioning unit is sent into the water receiving tray 1 through the water guide pipe, and then the condensed water enters the water collecting rack 3 along the inclined surface. The condensed water collected in the water collecting rack 3 is sent into the recovery box 2 through the water supply pipe 5 by the water supply pump 4 for treatment and filtering.

First, the condensed water is subjected to primary filtering treatment. The condensed water is fed into the interior of the two filter chambers through the water supply pipe 5 in cooperation with the diversion pipe. The condensed water is filtered by the filter rack 16 in the two filter chambers in cooperation with the first filter screen 17, thereby achieving primary filtering treatment of the condensed water. While the first filter screen 17 is filtering the condensed water, the cleaning rack 14 continuously scrapes one side of the first filter screen 17 driven by the rotating impeller 13, thereby ensuring that the first filter screen 17 effectively filters the condensed water.

In addition, when cleaning the impurities inside the filter chamber, the driving end of the micro-electric cylinder 19 drives the closing plate 18 to close one side of the filter chamber, and then controls the electric control baffle inside the slag discharge channel in the filter chamber to open. After the water delivery rack 12 delivers condensed water into the filter chamber, the impurities inside the filter chamber will be delivered along the inside of the slag discharge channel.

Then, the condensed water is subjected to secondary filtration treatment, and the condensed water in the primary recovery chamber is pumped into the processing chamber by the pump 22 above the secondary recovery chamber, and the condensed water is filtered by the sand filter frame 23, and then the condensed water in the secondary recovery chamber is pumped into another processing chamber by the pump 22 above the tertiary recovery chamber, and the condensed water is filtered by the activated carbon frame 24 to obtain the condensed water after the secondary filtration treatment, and the condensed water after the secondary treatment is reused in the cooling system or other related systems inside the air-conditioning unit;

In addition, the treated condensed water inside the tertiary recovery chamber is sent to the inside of the spiral heat exchange tube 34 through the circulating pump 31 via the circulating water inlet pipe 32, and the spiral heat exchange tube 34 is used to cool the air inside the fresh air duct, thereby achieving the effect of saving the power consumption of the refrigerator, and then the condensed water is sent to the inside of the recovery box 2 through the circulating water outlet pipe 33 to realize the recycling of the condensed water.

Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims (1)

1. A condensate recovery mechanism for a combined air-conditioning unit, comprising a water receiving pan (1) and a recovery box (2), wherein the water receiving pan (1) is located at the bottom of the air-conditioning unit and is fixed by bolts, and the recovery box (2) is located at the top of the air-conditioning unit and is fixed by bolts, and is characterized in that: a water collecting frame (3) is provided at the bottom of the water receiving pan (1), and the interior of the water collecting frame (3) is communicated with the interior of the water receiving pan (1), a water supply pump (4) is provided on one side of the water collecting frame (3), and the water inlet end of the water supply pump (4) is communicated with the interior of the water collecting frame (3), and the water outlet end of the water supply pump (4) is communicated with the interior of the recovery box (2) through a water supply pipe (5); A primary filter component is provided on one side of the interior of the recovery box (2), and the primary filter component is used to filter and recover particulate matter in the condensed water; The recycling box (2) is provided with a partition frame (6) inside, and a fixed plate (7) is provided on one side of the partition frame (6); the partition frame (6) and the fixed plate (7) divide the inside of the recycling box (2) into a primary recycling chamber, a secondary recycling chamber, a tertiary recycling chamber and an impurity collection chamber; a second filter screen (8) is provided below the inside of the impurity collection chamber; a guide hole is provided below the fixed plate (7), and a one-way valve is provided inside the guide hole; a collection frame (9) is also provided on one side of the inside of the impurity collection chamber; A secondary filter assembly is disposed inside the partition frame (6), and the secondary filter assembly is used to filter the filtered condensed water again until it meets the standards for reuse; The primary filter assembly comprises a mounting frame (11), and the mounting frame (11) is fixedly arranged on one side of the inner wall of the recovery box (2), two filter chambers are arranged inside the mounting frame (11), and a water supply frame (12) is arranged inside the two filter chambers, one end of the water supply pipe (5) is respectively connected to the inside of the two water supply frames (12) through a shunt pipe, a rotating impeller (13) is rotatably arranged inside the two water supply frames (12), and a cleaning frame (14) is fixedly arranged on one side of the rotating impeller (13), and a water outlet frame (15) is also arranged on one side of the water supply frame (12), and the outlet frame (15) is connected to the outlet frame (15). The interior of the water rack (15) is connected to the interior of the water supply rack (12); a filter rack (16) is provided on one side of the interior of the filter chamber; a first filter screen (17) is also provided on one side of the interior of the filter rack (16); and one side of the first filter screen (17) is in sliding contact with one side of the cleaning rack (14); a closing plate (18) is provided on one side of the mounting rack (11) and on one side of the two filter chambers; a micro electric cylinder (19) is provided on the interior of the mounting rack (11) and on the periphery of the two filter chambers; and a driving end of the micro electric cylinder (19) is fixedly connected to one side of the closing plate (18); The secondary filtration assembly comprises a fixed frame (21), and the fixed frame (21) is arranged above the interior of the partition frame (6), two processing chambers are arranged inside the fixed frame (21), and the interiors of the two processing chambers are respectively provided with a sand filter frame (23) and an activated carbon frame (24), a water pump (22) is arranged at the top of the fixed frame (21) and above the secondary recovery chamber and the tertiary recovery chamber, and water pumps (22) are arranged at both ends of the water pump (22), and the inlet of the two water pumps (22) is connected to the water pump (22). The water end is communicated with the interior of the primary recovery chamber and the secondary recovery chamber respectively through a water pumping pipe, the water outlet ends of the two water pumps (22) are communicated with the interior of the two processing chambers inside the fixed frame (21), a cleaning flow channel is arranged above the interior of the two processing chambers, and one end of the two cleaning flow channels is communicated with the interior of the impurity collection chamber, and movable baffles (25) are arranged at the bottom of the fixed frame (21) and at the bottom of the two processing chambers, and the two movable baffles (25) are driven by an electric slider; A circulation pump (31) is also provided on one side of the recovery box (2), and the water inlet end of the circulation pump (31) is in communication with the interior of the recovery box (2), and a circulation water inlet pipe (32) is provided on the water outlet end of the circulation pump (31), and a circulation water outlet pipe (33) is provided on the other side of the recovery box (2), and one end of the circulation water outlet pipe (33) is in communication with the interior of the recovery box (2), and a spiral heat exchange pipe (34) is provided on the circulation water inlet pipe (32) and one end of the circulation water inlet pipe (32), and the spiral heat exchange pipe (34) is arranged inside the fresh air duct, the water inlet end of the circulation pump (31) is in communication with the interior of the third-stage recovery chamber, and one end of the circulation water outlet pipe (33) is in communication with the interior of the first-stage recovery chamber; A flushing pipe (26) is provided on one side of the partition frame (6), one end of the flushing pipe (26) is connected to the inside of the circulating water outlet pipe (33), and the other end of the flushing pipe (26) is respectively connected to the lower parts of the two processing chambers; A slag discharge channel is also provided on one side of the bottom of the inner wall of the two filter chambers, and an electric control baffle is also provided inside the slag discharge channel. One end of the slag discharge channel extends to the inside of the impurity collection chamber.