Condensate water recycling system of air handling unit

By constructing a condensate recovery and utilization system for air conditioning units, the problem of water waste caused by traditional condensate treatment methods has been solved. This system achieves efficient recovery and purification of condensate for use in cooling towers, thus achieving energy conservation and emission reduction.

CN223954361UActive Publication Date: 2026-02-27SICHUAN GOKIN SOLAR TECHNOLOGY CO LTD +1
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Patent Information

Application Number
CN202520663660.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-02-27
Estimated Expiration
2035-04-09

AI Technical Summary

Technical Problem

Traditional methods of treating condensate from air conditioning units lead to water waste and cannot meet the demands of modern buildings for efficient water utilization.

Method used

Design an air conditioning unit condensate recovery and utilization system, including a water collection mechanism and a multi-stage purification system. Through a waterproof dike, water collection ditch, sedimentation module, coarse filtration module, fine filtration module and sterilization module, a four-stage gradient purification system is constructed to achieve efficient recovery and purification of condensate.

Benefits of technology

It achieves a 100% condensate recovery rate and uses the condensate after multi-stage purification, thus saving water resources, enabling energy-saving operation of the cooling tower, and achieving the effect of energy conservation and emission reduction.

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Abstract

The utility model relates to the field of air-conditioning cabinet condensate water recycling, in particular to an air-conditioning cabinet condensate water recycling system which comprises a water collecting mechanism, an air-conditioning cabinet condensate water recycling mechanism and an air-conditioning cabinet condensate water recycling mechanism. The multi-stage purification system comprises a precipitation module, a coarse filtration module, a fine filtration module and a sterilization module which are connected in sequence; wherein a water inlet of the precipitation module is communicated with a water outlet of the water collection mechanism, and a water outlet of the sterilization module is used for being communicated with a water return port of a cooling tower. Condensate water generated by the air conditioning cabinet can be recycled, and water resources are saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioner box condensate water recycling field, specifically, relate to a kind of air conditioner box condensate water recycling system. BACKGROUND

[0002] With the continuous improvement of building energy saving and environmental protection requirements, as the main component of building energy consumption, the operation efficiency and resource utilization rate of air conditioning system are paid more and more attention. In the operation process of traditional air conditioner box, a large amount of condensate water is generated on the surface of evaporative coil, which is usually treated as waste liquid. The specific process is as follows: the condensate water generated on the surface of evaporative coil flows into the water collecting ditch by gravity, the water collecting ditch discharges the condensate water directly to the water collecting pit through the drain pipe, and then the condensate water is discharged to the waste water system by the lifting pump for treatment. Although this treatment method is simple and direct, a large amount of recyclable water resources is directly discharged, which causes waste of water resources. With the increasing shortage of water resources, this traditional condensate water treatment method can not meet the demand of modern building for efficient use of water resources. SUMMARY

[0003] The utility model aims at providing a kind of air conditioner box condensate water recycling system, which can recycle the condensate water generated by air conditioner box, and save water resources.

[0004] The technical scheme of the utility model is realized as follows:

[0005] A kind of air conditioner box condensate water recycling system, comprising:

[0006] Water collecting mechanism is used to collect the condensate water dropped by air conditioner box;

[0007] Multi-stage purification system, comprising sequentially connected sedimentation module, coarse filtration module, fine filtration module and sterilization module;

[0008] Wherein, the water inlet of the sedimentation module is communicated with the water outlet of the water collecting mechanism, and the water outlet of the sterilization module is used to communicate with the backwater inlet of cooling tower.

[0009] Further, the water collecting mechanism comprises:

[0010] Waterproof cofferdam is arranged around air conditioner box;

[0011] Water collecting ditch is arranged in the waterproof cofferdam, and the condensate water of air conditioner box can be discharged into the water collecting ditch through the U-shaped drain interface on the air conditioner box, the surface of the water collecting ditch is provided with waterproof coating, the water collecting ditch has slope surface for facilitating drainage, and the end of the slope surface is provided with drain port;

[0012] The drain port is communicated with the water inlet of the sedimentation module through drain pipe.

[0013] Further, the drain port is a U-shaped drain interface.

[0014] Further, the slope surface has a slope of 1% to 3%.

[0015] Further, the precipitation module adopts a closed precipitation water tank.

[0016] Further, the coarse filter module adopts a Y-shaped filter, and the fine filter module adopts a bag filter.

[0017] Further, a booster pump is arranged between the Y-shaped filter and the bag filter.

[0018] Further, the sterilization module adopts an ultraviolet sterilizer.

[0019] Further, an overflow pipe and a sewage pipe are arranged on the closed precipitation water tank, and the overflow pipe leads to the Y-shaped filter.

[0020] Further, a local liquid level meter is further arranged on the closed precipitation water tank.

[0021] Compared with the prior art, the beneficial effects of the present application are:

[0022] The application provides an air conditioner box condensate water recycling system, which collects the condensate water dropped from the air conditioner box by using a water collecting mechanism, and then discharges the condensate water to a multi-stage purification system, and sequentially performs precipitation, coarse filtration, fine filtration and sterilization, so that the purified condensate water can be discharged to a backwater port of a cooling tower. By constructing a four-stage gradient purification system, the low-temperature characteristics of the condensate water are utilized to realize energy-saving operation of the cooling tower, which not only saves water resources, but also realizes energy saving and emission reduction. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0024] Figure 1 It is a whole structure schematic view of the air conditioner box condensate water recycling system of the present application.

[0025] In the drawings:

[0026] 1-air conditioner box; 101-U-shaped drain interface;

[0027] 2-waterproof cofferdam; 3-water collecting ditch; 4-drain pipe;

[0028] 5 - closed sediment tank; 501 - drain pipe;

[0029] 502 - overflow pipe; 503 - in-situ liquid level meter;

[0030] 6 - Y-type filter; 7 - booster pump;

[0031] 8 - bag filter; 9 - ultraviolet sterilizer;

[0032] 10 - return line; 11 - cooling tower. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0035] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0036] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships in which the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", etc. are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0037] In addition, the terms "horizontal", "vertical", "overhanging", etc. do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0038] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term " set ", " install ", " link ", " connect " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through the intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning in the utility model according to specific circumstances.

[0039] The utility model will be described in detail below in combination with some embodiments of the utility model. In the case of no conflict, the following examples and features in examples can be combined with each other.

[0040] Example 1

[0041] Referring to Figure 1 , the embodiment provides a kind of air conditioner box condensate water recycling system, comprising:

[0042] Water collecting mechanism is used to collect the condensate water that air conditioner box 1 drops down;

[0043] Multi-stage purification system, including the sedimentation module, coarse filter module, precision filter module and sterilization module connected in sequence;

[0044] Wherein, the water inlet of the sedimentation module is communicated with the water outlet of the water collecting mechanism, the water outlet of the sterilization module is used to be communicated with the backwater port of cooling tower 11, and the purified condensate water is led to the backwater line 10 of cooling tower 11, i.e. the water outlet of sterilization module and the recycling port of cooling tower 11 are communicated by backwater line 10, and the low-temperature characteristics of condensate water are used to realize energy-saving operation of cooling tower 11.

[0045] Specifically, the water collecting mechanism comprises:

[0046] Waterproof cofferdam 2 is arranged around air conditioner box 1, waterproof coating is arranged on the inner wall of waterproof cofferdam 2, which is equivalent to a waterproof water collecting pool;

[0047] Water collecting ditch 3 is arranged in the waterproof cofferdam 2, and the condensate water of air conditioner box 1 can be discharged into the water collecting ditch 3 through the U-shaped water drainage interface 101 on the air conditioner box 1, the surface of the water collecting ditch 3 is provided with waterproof coating, the water collecting ditch 3 has slope (or slope structure or slope) for facilitating water drainage, and the end of the slope is provided with a water drainage port;

[0048] When condensate water is excessive, it can be temporarily stored in waterproof cofferdam 2, and the slope can be designed to have a slope of 1% to 3%, and the condensate water can be smoothly discharged from the water drainage port through the slope of the water collecting ditch 3.

[0049] The drain port is communicated with the water inlet of the sediment module through a drain pipe 4, and the condensed water discharged from the drain port enters the multi-stage purification system for purification treatment.

[0050] The condensed water is discharged into the water collecting ditch 3 through the U-shaped drain interface 101 of the air conditioning box 1, and the condensed water in the water collecting ditch 3 is discharged to the sediment module through the drain pipe 4. The sediment module can adopt a closed type sediment water tank 5. A pumping pipeline is arranged at the drain port of the closed type sediment water tank 5. A rough filtration module and a lifting pump 7 are arranged on the pumping pipeline in sequence. The tail end of the pumping pipeline is connected with a fine filtration module. The rough filtration module can adopt a Y-shaped filter 6. The fine filtration module can adopt a bag type filter 8 (such as a DL bag type filter 8). The DL bag type filter 8 is a professional liquid filtration equipment which can effectively remove different size particles in the liquid, so as to achieve the purpose of liquid filtration, purification, separation and recovery. The lifting pump 7 is arranged between the Y-shaped filter 6 and the bag type filter 8, so as to improve the water flow speed.

[0051] A plurality of pressure gauges can be arranged on the pumping pipeline, so as to measure the water pressure of each section of the pumping pipeline.

[0052] The sterilization module can adopt an ultraviolet sterilizer 9. The condensed water after fine filtration through the bag type filter 8 is guided into the ultraviolet sterilizer 9 for sterilization and disinfection treatment.

[0053] The closed type sediment water tank 5 is provided with an overflow pipe 502 and a blowdown pipe 501. The overflow pipe 502 is communicated with the Y-shaped filter 6. When the closed type sediment water tank 5 is full of condensed water, the condensed water is discharged to the Y-shaped filter 6 through the overflow pipe 502, so that waste is not caused.

[0054] The closed type sediment water tank 5 is further provided with a local liquid level meter 503, which is used to measure the water level in the closed type sediment water tank 5. When the water level reaches the set water level, the pumping pipeline can be drained, so that the closed type sediment water tank 5 generally will not overflow. Overflowing belongs to a special case (i.e. when the water quantity is particularly large).

[0055] The working principle of the whole air conditioning box condensed water recycling system is as follows:

[0056] A waterproof cofferdam 2 is made around the air conditioning box 1. The condensed water is discharged into the water collecting ditch 3 through the U-shaped interface of the air conditioning box 1. The condensed water in the water collecting ditch 3 is discharged to the closed type sediment water tank 5 through the drain pipe 4 for static water sedimentation treatment. The sedimented condensed water is conveyed to the pumping pipeline under the action of the lifting pump 7. The Y-shaped filter 6 is arranged at the front end of the lifting pump 7. The bag type filter 8 is arranged at the rear end of the lifting pump 7. The outlet of the bag type filter 8 adopts the ultraviolet sterilizer 9 for sterilization and disinfection. The sedimented condensed water is sequentially subjected to rough filtration, fine filtration and sterilization and disinfection to achieve purification, and then the purified condensed water is recycled to the cooling tower 11 for circulation.

[0057] The water collecting ditch 3 is used to complete the full collection of the condensate water recovery, and improve the condensate water collection rate.

[0058] The closed precipitation water tank 5 is used for the first purification treatment of the condensate water multi-stage purification system, and the precipitation is caused by the water quality pollution collected by the water collecting ditch 3.

[0059] The Y-shaped filter 6 at the front end of the lifting pump 7 is used for the second purification treatment of the condensate water multi-stage purification system, and the floating objects and the like invading in the condensate water collection process are filtered out.

[0060] The DL bag filter 8 at the rear end of the lifting pump 7 is used for the third purification treatment of the condensate water multi-stage purification system, and the harmful substances such as impurities, microorganisms and bacteria in the water are removed.

[0061] The ultraviolet disinfection device 9 is used for the fourth purification treatment of the condensate water multi-stage purification system, and acts on the microorganism DNA to make the regenerative cells or the developmental cells die. The ultraviolet disinfection device 9 refers to a device (referred to as a disinfection device) for disinfecting water by using the 253.7 nm ultraviolet rays radiated from the mercury vapor discharge in the ultraviolet mercury lamp as the main spectral line.

[0062] In the embodiment, the ultraviolet disinfection device 9 is in contact with the condensate water for irradiation for not less than 10 seconds during the sterilization and disinfection.

[0063] The application provides a condensate water recycling system of an air conditioning box, which collects the condensate water dripping from the air conditioning box by using a water collecting mechanism, and then discharges the condensate water to a multi-stage purification system. The purified condensate water can be discharged to the water return port of a cooling tower through the processes of precipitation, rough filtration, fine filtration and sterilization. The four-stage gradient purification system is constructed, the low-temperature characteristics of the condensate water are utilized to realize the energy-saving operation of the cooling tower, water resources are saved, and energy saving and emission reduction can be realized.

[0064] The beneficial effects of the technical scheme of the utility model are as follows:

[0065] 1. Compared with the existing condensate water discharge mode, the condensate water recycling system of the air conditioning box adopts the waterproof cofferdam 2 for full surrounding, and then combines the water collecting ditch 3 in the form of water seepage prevention to realize the full collection of the condensate water of the air conditioning box 1, improve the condensate water collection rate, and realize the 100% recovery of the condensate water through the full domain collection system of the water collecting ditch 3 and the waterproof cofferdam 2.

[0066] 2. Gradient purification treatment: first-stage precipitation treatment (closed precipitation water tank 5) → second-stage mechanical filtration (Y-shaped filter 6) → third-stage precision filtration (bag filter 8) → fourth-stage biological inactivation (ultraviolet disinfection device 9), a four-stage gradient purification system is constructed, the low-temperature characteristics of the condensate water are utilized to realize the energy-saving operation of the cooling tower 11, water resources are saved, and energy saving and emission reduction can be realized.

[0067] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

[0068] The above is only the preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An air conditioning unit condensate recovery system, comprising: The application relates to an air conditioning system, comprising: a water collecting mechanism for collecting condensate water dripping from an air conditioning box (1); a multi-stage purification system comprising a sedimentation module, a rough filter module, a fine filter module and a sterilization module connected in sequence; wherein the water inlet of the sedimentation module is communicated with the water outlet of the water collecting mechanism, and the water outlet of the sterilization module is used for being communicated with the backwater inlet of a cooling tower (11).

2. The air conditioning unit condensate recovery and reuse system of claim 1, wherein, The water collecting mechanism comprises: a waterproof cofferdam (2) arranged around the air conditioning box (1); a water collecting ditch (3) arranged in the waterproof cofferdam (2), wherein the condensate water of the air conditioning box (1) can be discharged into the water collecting ditch (3) through a U-shaped drainage interface (101) on the air conditioning box (1), the surface of the water collecting ditch (3) is provided with a waterproof coating, the water collecting ditch (3) has a slope surface facilitating water drainage, and the end of the slope surface is provided with a drainage outlet; the drainage outlet is communicated with the water inlet of the sedimentation module through a drainage pipe (4).

3. The air conditioning unit condensate recovery system of claim 2, wherein, The drainage outlet is a U-shaped drainage interface (101).

4. The air conditioning unit condensate recovery system of claim 2, wherein, The slope surface has a slope of 1% to 3%.

5. The air conditioning unit condensate water recycling system of claim 1, wherein, The sedimentation module adopts a closed sedimentation water tank (5).

6. The air conditioning unit condensate recovery system of claim 5, wherein, The rough filter module adopts a Y-shaped filter (6), and the fine filter module adopts a bag filter (8).

7. The air conditioning unit condensate recovery and reuse system of claim 6, wherein, A lifting pump (7) is arranged between the Y-shaped filter (6) and the bag filter (8).

8. The air conditioning unit condensate recovery system of claim 7, wherein, The sterilization module adopts an ultraviolet sterilizer (9).

9. The air conditioning unit condensate recovery and reuse system of claim 6, wherein, The closed sedimentation water tank (5) is provided with an overflow pipe (502) and a blowdown pipe (501), and the overflow pipe (502) is communicated with the Y-shaped filter (6).

10. The air conditioning unit condensate water recycling system of claim 6, wherein, The closed sedimentation water tank (5) is further provided with an on-site liquid level meter (503).