Novel air duct flow guide device

By designing a new air duct diversion device in the building HVAC and using drainage mezzanine and deflector structure to treat condensate, the problem of water droplet formation in the air duct affects wind speed, and the effect of improving wind speed and HVAC efficiency is achieved.

CN119826278AActive Publication Date: 2025-04-15SHANDONG LIANCHUANG CONSTR DESIGN CO LTD
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Patent Information

Application Number
CN202510147811.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2025-04-15
Estimated Expiration
2045-02-11

AI Technical Summary

Technical Problem

When the existing HVAC conveys hot air, water vapor in the air condenses into water droplets, resulting in a decrease in wind speed and affecting HVAC efficiency.

Method used

A new type of air duct diversion device is designed, and a drainage interlayer and a deflector are installed inside the air duct. Condensate is discharged into the drainage interlayer through the drainage tank, and the inclined drainage tank and baffle structure is used to prevent the condensate from affecting wind power delivery.

Benefits of technology

It effectively reduces the accumulation of condensate in the air duct, increases wind speed, reduces energy consumption, and achieves appropriate humidification of wind through the humidification system, improving HVAC efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a novel air duct diversion device, and relates to the field of air duct diversion, the novel air duct diversion device comprises an air duct, a wind power channel is arranged in the air duct, a drainage interlayer is arranged at the bottom of the wind power channel, the drainage interlayer and the wind power channel are isolated through a diversion plate, and condensate water generated when wind power flows through the wind power channel is arranged on the diversion plate. And the condensed water drops to the bottom of the wind power channel and then is discharged into the drainage interlayer. Condensate water flows into the drainage interlayer through the drainage groove, the amount of the condensate water in the wind power channel is small, the condensate water cannot be accumulated to affect the wind speed, and therefore energy consumption of long-distance wind power conveying is reduced; condensate water can directly flow into the drainage groove from the inclined opening of the corresponding baffle and cannot continuously flow along the bottom of the wind power channel to affect wind power, and the problem that the heating and ventilation effect is poor due to the fact that the condensate water absorbs heat in the wind power is solved.
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Description

Technical Field

[0001] The invention relates to the field of air duct diversion, and in particular to a novel air duct diversion device. Background Art

[0002] Building HVAC ducts are usually used to transport wind, including hot air and cold air, to maintain a comfortable temperature inside the building while transporting warm air.

[0003] However, the HVAC ducts in buildings are usually long and the wind transmission efficiency is low.

[0004] When the existing building heating and ventilation ducts are delivering cold air, if the air temperature around the duct is high, or the temperature of the duct itself is not good, the water vapor in the air may condense on the outer wall of the duct to form water droplets. Conversely, when delivering hot air, if the external temperature is low, condensed water may also form on the inner wall. The presence of water droplets on the wall will reduce the wind speed.

[0005] Therefore, it is necessary to propose a new type of air duct guide device to solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to provide a novel air duct guide device to solve the problem that water droplets hang on the wall of the existing building heating and ventilation duct when conveying hot air, thereby affecting the wind speed.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: a novel air duct guide device, comprising an air duct, wherein both ends of the air duct are respectively provided with a wind input port and a wind exhaust port, and the interior of the air duct is provided with a wind channel, and wind is input into the interior of the wind channel through the wind input port and is discharged from the wind exhaust port after flowing through the wind channel;

[0008] A drainage interlayer is provided at the bottom of the wind channel, and the drainage interlayer is isolated from the wind channel by a guide plate, and a drainage groove is provided on the guide plate. Condensation water is generated when wind flows through the wind channel. The condensation water drips to the bottom of the wind channel and is discharged into the drainage interlayer from the drainage groove.

[0009] Preferably, the drainage groove is arranged obliquely, and one end of the drainage groove connected to the drainage interlayer is inclined toward a position close to the wind input port.

[0010] Preferably, a baffle is provided at the upper end of the drainage trough, and the baffle is inclined, and the end of the baffle away from the wind input port is inclined upward, and the downwardly inclined end of the baffle is fixed on the inner wall of the drainage trough, and a groove for the baffle to fit is provided on the side of the upper end of the drainage trough away from the wind input port.

[0011] Preferably, a control mechanism is provided in the drainage interlayer, and the control mechanism includes a top plate and a waterproof electric push rod, the waterproof electric push rod is fixedly installed at the bottom of the drainage interlayer, and the upper end of the waterproof electric push rod is fixedly connected to the bottom of the top plate;

[0012] The top plate is a magnetic plate, the baffle is a stainless steel plate, and an elastic section is arranged at one end of the baffle close to the wind input port.

[0013] Preferably, a support rod is fixedly provided on the upper surface of the top plate, a rotating baffle is rotatably provided on the upper end of the support rod, a torsion spring is provided at the rotating connection, and the rotating baffle is sealingly fitted to the lower end of the drainage groove.

[0014] Preferably, the bottom surface of the drainage interlayer gradually slopes downward from one end of the wind input port to an end close to the wind discharge port.

[0015] Preferably, a water collecting box is installed at the lower end of the air duct, and the water collecting box is located at one end of the air duct close to the wind discharge port. A converging port is provided at the lower end of the air duct, and a water collecting cavity is provided inside the water collecting box. The upper end of the converging port is communicated with the interior of the drainage interlayer, and the lower end of the converging port is communicated with the interior of the water collecting cavity.

[0016] A water pump is arranged inside the water collecting tank, the input end of the water pump is connected to the water collecting cavity inside the water collecting tank, the output end of the water pump is connected to a humidification pipe, the end of the humidification pipe away from the water pump is connected to an atomizing nozzle, and the atomizing nozzle leads to the inside of the wind outlet.

[0017] Preferably, a filter box is provided inside the water collecting tank, and the filter box is located between the converging port and the water pump.

[0018] Preferably, the filter box is a rectangular box structure with an opening at the top, the bottom surface of the filter box is provided with grille holes, the interior of the filter box is filled with activated carbon filter blocks, a rectangular opening is provided on one side of the water collecting tank, the filter box is movably engaged in the rectangular opening, the end of the filter box away from the rectangular opening is hinged with a waterproof electric cylinder, the inner wall of the water collecting tank is provided with an installation groove, and the waterproof electric cylinder is fixedly installed in the installation groove.

[0019] Preferably, a magnetic block is provided on the side of the water collecting tank and below the rectangular opening.

[0020] Technical effects and advantages of the present invention:

[0021] 1. In the present invention, condensed water flows into the drainage interlayer through the drainage groove, and the amount of condensed water in the wind channel is small, which will not accumulate and affect the wind speed, thereby reducing the energy consumption of long-distance wind transmission;

[0022] 2. In the present invention, a water retaining area S is formed between adjacent baffles to prevent condensed water from flowing toward the wind input port or wind discharge port. Condensed water can flow directly into the drainage groove from the corresponding inclined opening of the baffle, and will not continue to flow along the bottom of the wind channel to affect the wind, which also reduces the problem of poor HVAC effect caused by condensed water absorbing heat in the wind.

[0023] 3. The elastic section of the present invention can be elastically deformed, so that the baffle can rotate within a certain range. When the baffle rotates and fits into the groove, the bottom of the wind channel is a flat surface, and the upper end of the drainage groove is completely sealed. The flat surface is conducive to wind transmission and can be used according to actual conditions;

[0024] 4. The present invention facilitates the control of the switch of the drainage trough and the inclination of the baffle according to actual needs;

[0025] 5. In the present invention, after the condensed water is discharged into the drainage interlayer, the baffle is rotated to reset, thereby preventing the wind from entering the drainage interlayer and achieving the purpose of one-way water inflow;

[0026] 6. The purpose of humidifying the wind at the user end in the present invention is not only to easily control the degree of humidification, but also to improve the efficiency of wind power transmission;

[0027] 7. The present invention utilizes the structural setting of the water collecting box to achieve the purpose of regular and automatic maintenance of the filter box. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the air duct structure of the present invention.

[0029] Figure 2 It is a schematic diagram of the structure of the air duct from one perspective of the present invention.

[0030] Figure 3 This is a schematic structural diagram of the air duct of the present invention from another perspective.

[0031] Figure 4 It is a schematic diagram of the external structure of the water collecting tank of the present invention.

[0032] Figure 5 It is a sectional view of the three-dimensional structure of the novel air duct guide device of the present invention.

[0033] Figure 6 It is a planar structural sectional view of the novel air duct guide device of the present invention.

[0034] Figure 7 It is a schematic diagram of the internal structure of the water collecting tank of the present invention.

[0035] Figure 8 For the present invention Figure 7 A schematic diagram of the enlarged structure in the middle.

[0036] Fig. 9 It is a schematic diagram of the control mechanism structure of the present invention.

[0037] Fig.10 It is a schematic diagram of the upper structure of the filter box of the present invention.

[0038] Fig.11 It is a schematic diagram of the bottom structure of the filter box of the present invention.

[0039] Fig.12 It is a schematic diagram of the baffle structure of the present invention.

[0040] Fig.13 It is a schematic diagram of the water retaining area structure of the present invention.

[0041] In the figure: 1. air duct; 101. converging port; 2. wind input port; 3. wind exhaust port; 4. water collecting box; 41. water collecting chamber; 42. mounting slot; 5. humidification pipe; 6. atomizing nozzle; 7. rectangular port; 8. filter box; 81. activated carbon filter block; 9. magnetic block; 10. wind channel; 11. drainage interlayer; 12. guide plate; 1201. drainage trough; 1202. baffle; 1203. groove; 1204. elastic section; 13. control mechanism; 1301. top plate; 1302. waterproof electric push rod; 1303. support rod; 1304. rotating baffle; 14. waterproof electric cylinder; 15. water pump. DETAILED DESCRIPTION

[0042] The present invention provides Figure 1-Figure 13 A novel air duct guide device is shown. The air duct guide device solves the problem that water droplets hang on the wall of the existing building heating and ventilation duct when passing cold air or hot air, thereby affecting the wind speed.

[0043] Specifically, refer to Figure 1 As shown in the figure, it includes an air duct 1, one end of the air duct 1 is a wind input port 2 for cold air or hot air to enter, and the other end of the air duct 1 is a wind exhaust port 3 for cold air or hot air to be discharged. The wind input port 2 is usually connected to a centrifugal fan or an axial flow fan. The heat source generated by the boiler or the cold source generated by the compression refrigeration device is transported to the air duct 1 through any of the above fans, thereby forming hot air or cold air; it is transported into the user end through the air duct 1 of a suitable length, and the wind exhaust port 3 leads into the indoor room of the user end.

[0044] refer to Figures 2 to 3As shown in , the air duct 1 is usually a rectangular ventilation duct, which has good spatial adaptability, can be easily installed along walls, ceilings and other spaces, fits closely to the building structure, and effectively utilizes limited space. In addition, rectangular ducts have greater flexibility in branching and connection. Through reasonable variable diameter and elbow design, air can be accurately distributed to different rooms and areas; of course, there are also disadvantages. Although the investment cost of rectangular ducts is higher, their thermal insulation performance is better, which can reduce the maintenance cost of long-term heating and cooling.

[0045] There are usually circular pipes, which can be set according to actual needs.

[0046] refer to Figure 5 As shown in FIG. 1 , a wind channel 10 is arranged inside the air duct 1 , and the cold air or hot air entering from the wind input port 2 flows through the wind channel 10 and is discharged from the wind outlet 3 .

[0047] In the present invention, a drainage interlayer 11 is provided at the bottom area of ​​the air duct 1, and a guide plate 12 is used to isolate the drainage interlayer 11 from the wind channel 10. A drainage groove 1201 is provided on the guide plate 12. When the hot air introduced into the air duct 1 produces condensed water hanging on the wall, the condensed water will drip onto the guide plate 12 and then flow into the drainage interlayer 11 through the drainage groove 1201. The amount of condensed water in the wind channel 10 is small and will not accumulate to affect the wind speed, thereby reducing the energy consumption of long-distance wind transportation.

[0048] Furthermore, the drainage groove 1201 is arranged at an angle, and one end of the drainage groove 1201 that enters the drainage interlayer 11 is inclined in the opposite direction of the wind input port 2. Since the hot air or air flows through the wind channel 10 from the wind input port 2 to the wind outlet 3, which is exactly opposite to the inclined direction of the drainage groove 1201, it is ensured that the wind will not enter the drainage interlayer 11 through the drainage groove 1201, thereby achieving the effect of isolating the wind and condensed water.

[0049] refer to Fig.12 As shown in , it was found during the verification process that although the inclination direction of the drainage trough 1201 is opposite to the direction of wind transmission, a small part of the wind will still circulate through the drainage trough 1201 in and out of the drainage interlayer 11, consuming part of the wind. Therefore, the present invention also provides a baffle 1202 at the upper end of the drainage trough 1201, and the baffle 1202 is arranged inclined, and the end of the baffle 1202 away from the wind input port 2 is inclined upward, and the inclination angle is between 1 and 5 degrees. During the transmission process, the wind inside the wind channel 10 can just pass along the upper surface of the baffle 1202 and be discharged from the wind outlet 3, and is not easy to flow back into the drainage trough 1201.

[0050] refer to Fig.13As shown in the figure, according to the length of the air duct 1, a plurality of drainage grooves 1201 are appropriately arranged, and the plurality of drainage grooves 1201 are set at equal distances. A water retaining area S is formed between adjacent baffles 1202 to block the condensed water from flowing toward the wind input port 2 or the wind discharge port 3. The condensed water can flow directly into the drainage grooves 1201 from the inclined openings of the corresponding baffles 1202, and will not continue to flow along the bottom of the wind channel 10 and affect the wind force, thereby reducing the problem of poor HVAC effect caused by the condensed water absorbing heat in the wind.

[0051] refer to Figure 7 and Figure 8 As shown in the figure, an elastic section 1204 is provided at one end of the baffle 1202 close to the wind input port 2, and a groove 1203 is provided on the inner wall of the upper end of the drainage groove 1201 away from the elastic section 1204. The elastic section 1204 can be elastically deformed so that the baffle 1202 can rotate within a certain range. When the baffle 1202 is rotated to fit into the groove 1203, the bottom of the wind channel 10 is a flat surface, and the upper end of the drainage groove 1201 is completely sealed. The flat surface is conducive to wind transmission and can be used according to actual conditions.

[0052] refer to Figure 5 , Figure 7 , Figure 8 and Fig. 9 As shown, a control mechanism 13 is provided in the drainage interlayer 11, and the control mechanism 13 is used to control the tilt state of the baffle 1202. The control mechanism 13 includes a top plate 1301 and a waterproof electric push rod 1302. The waterproof electric push rod 1302 is fixedly installed at the bottom of the drainage interlayer 11, and the upper end of the waterproof electric push rod 1302 is fixedly connected to the bottom of the top plate 1301. The top plate 1301 is a magnetic plate, and the baffle 1202 is a stainless steel plate. When the waterproof electric push rod 1302 pushes the top plate 1301, the baffle 1202 is a stainless steel plate. 01 rises, the top plate 1301 and the baffle 1202 approach each other, and the top plate 1301 can attract the baffle 1202 to rotate and seal the upper end of the drainage trough 1201; when the waterproof electric push rod 1302 drives the top plate 1301 to descend, the top plate 1301 and the baffle 1202 move away from each other, and the baffle 1202 loses the attraction of the top plate 1301 and is reset by the elastic section 1204 to maintain the inclined state, so as to facilitate the control of the switch of the drainage trough 1201 and the inclination of the baffle 1202 according to actual needs.

[0053] Furthermore, a support rod 1303 is fixedly provided on the upper surface of the top plate 1301, and a rotating baffle 1304 is rotatably provided at the upper end of the support rod 1303, and a torsion spring is provided at the rotating connection. The rotating baffle 1304 is fitted to the lower end of the drainage groove 1201 by the force of the torsion spring, thereby sealing the lower end of the drainage groove 1201. When condensed water enters the drainage groove 1201, it will accumulate in the drainage groove 1201. After accumulating to a certain amount, the gravity of the condensed water will cause the rotating baffle 1304 to tilt and open the lower end of the drainage groove 1201, and the condensed water will be discharged from the lower end of the drainage groove 1201 into the drainage interlayer 11. After the condensed water is discharged into the drainage interlayer 11, the rotating baffle 1304 is reset, thereby avoiding the effect of wind force entering the drainage interlayer 11 and achieving the purpose of one-way water inlet.

[0054] In actual use, a plurality of support rods 1303 can be connected to a top plate 1301 at the same time, so as to conveniently control the switches of a plurality of drainage grooves 1201 at the same time, thereby reducing the number of waterproof electric push rods 1302 to be arranged and reducing the cost.

[0055] When using the air duct 1, the user side usually requires the wind to have a certain humidity. The usual practice is to adjust the wind to a suitable humidity before delivering it to the user. However, when the air ducts 1 of different lengths deliver wind, the humidity in the wind will increase or decrease accordingly. When the wind humidity increases, the viscosity of the wind will increase, which will increase the resistance to air flow, thereby affecting the delivery of the wind. Therefore, the existing method of humidifying wind not only reduces the efficiency of wind delivery, but also cannot accurately control the degree of humidification.

[0056] Therefore, the present invention solves this problem by improving the drainage interlayer 11. Figure 6 and Figure 7As shown in the figure, the bottom surface of the drainage interlayer 11 has a certain inclination, and the inclination range is between 3 and 8 degrees. A water collecting box 4 is arranged at one end close to the wind discharge port 3. The water collecting box 4 is fixedly installed at the bottom of the air duct 1. The bottom of the air duct 1 is provided with a convergence port 101, and the convergence port 101 is connected between the drainage interlayer 11 and the inside of the water collecting box 4. When the condensed water enters the drainage interlayer 11, it will eventually converge and flow into the water collecting box 4 along the bottom surface of the drainage interlayer 11. A filter box 8 is also arranged in the water collecting box 4. The filter box 8 is used to filter the condensed water so that the condensed water In order to meet the water demand for humidification, a water pump 15 is arranged inside the water collecting tank 4, and the input end of the water pump 15 is connected to the water collecting chamber 41 inside the water collecting tank 4, and the output end of the water pump 15 is connected to the humidification pipe 5, and the end of the humidification pipe 5 away from the water pump 15 is connected to the atomizing nozzle 6, and the atomizing nozzle 6 is passed into the interior of the wind outlet 3. When the water pump 15 is started, the condensed water recovered and filtered in the water collecting chamber 41 can be atomized and sprayed out from the atomizing nozzle 6, which achieves the purpose of humidifying the wind at the user end. It is not only easy to control the humidification degree, but also improves the efficiency of wind transmission.

[0057] refer to Figure 7 , Fig.10 and Fig.11 As shown in the figure, the filter box 8 is a rectangular box structure with an opening on the top, and the bottom surface of the filter box 8 is provided with a grille hole. The interior of the filter box 8 is filled with an activated carbon filter block 81, and the filter box 8 is arranged between the water pump 15 and the convergence port 101. A rectangular port 7 is provided on one side of the water collecting box 4, and the filter box 8 is movably engaged in the rectangular port 7. The end of the filter box 8 away from the rectangular port 7 is hinged with a waterproof electric cylinder 14, and the inner wall of the water collecting box 4 is provided with a mounting groove 42. The waterproof electric cylinder 14 is fixedly installed in the mounting groove 42. When the waterproof electric cylinder 14 pushes the filter box 8 to move out, it is convenient to clean the impurities filtered and collected in the filter box 8, and a magnetic block 9 is provided on the side of the water collecting box 4 and below the rectangular port 7. When the filter box 8 is completely pushed out of the rectangular port 7, the magnetic block 9 attracts the filter box 8 to rotate, so that the impurities on the filter box 8 automatically fall out. After falling out, the filter box 8 can be reset by using the waterproof electric cylinder 14, thereby achieving the purpose of regular automatic maintenance.

[0058] It should be noted that the present invention may also use a method of manually adding humidification water or manual maintenance, which will not be described in detail.

Claims

1. A novel air duct guide device, comprising an air duct (1), wherein both ends of the air duct (1) are respectively provided with a wind input port (2) and a wind discharge port (3), wherein: The wind channel (1) is provided with a wind channel (10) inside, and wind is input into the wind channel (10) through a wind input port (2) and flows through the wind channel (10) before being discharged from a wind discharge port (3); A drainage interlayer (11) is provided at the bottom of the wind channel (10); the drainage interlayer (11) and the wind channel (10) are isolated by a guide plate (12); a drainage groove (1201) is provided on the guide plate (12); condensed water is generated when wind flows through the wind channel (10); the condensed water drips to the bottom of the wind channel (10) and is discharged from the drainage groove (1201) into the drainage interlayer (11).

2. A novel air duct guide device according to claim 1, characterized in that: The drainage groove (1201) is arranged obliquely, and one end of the drainage groove (1201) connected to the drainage interlayer (11) is inclined toward a position close to the wind input port (2).

3. The novel air duct guide device according to claim 1 is characterized in that: A baffle (1202) is provided at the upper end of the drainage groove (1201); the baffle (1202) is arranged obliquely, and one end of the baffle (1202) away from the wind input port (2) is inclined upward, and the end of the baffle (1202) inclined downward is fixed to the inner wall of the drainage groove (1201); and a groove (1203) for the baffle (1202) to fit is provided on one side of the upper end of the drainage groove (1201) away from the wind input port (2).

4. A novel air duct guide device according to claim 3, characterized in that: A control mechanism (13) is provided in the drainage interlayer (11), and the control mechanism (13) comprises a top plate (1301) and a waterproof electric push rod (1302), wherein the waterproof electric push rod (1302) is fixedly mounted on the bottom of the drainage interlayer (11), and the upper end of the waterproof electric push rod (1302) is fixedly connected to the bottom of the top plate (1301); The top plate (1301) is a magnetic plate, the baffle plate (1202) is a stainless steel plate, and an elastic section (1204) is provided at one end of the baffle plate (1202) close to the wind input port (2).

5. A novel air duct guide device according to claim 4, characterized in that: A support rod (1303) is fixedly provided on the upper surface of the top plate (1301), a rotating baffle (1304) is rotatably provided on the upper end of the support rod (1303), a torsion spring is provided at the rotating connection, and the rotating baffle (1304) is sealed and fitted on the lower end of the drainage groove (1201).

6. The novel air duct guide device according to claim 1 is characterized in that: The bottom surface of the drainage interlayer (11) gradually slopes downward from one end of the wind input port (2) to one end close to the wind discharge port (3).

7. The novel air duct guide device according to claim 1 is characterized in that: A water collecting box (4) is installed at the lower end of the air duct (1); the water collecting box (4) is located at one end of the air duct (1) close to the wind discharge port (3); a converging port (101) is provided at the lower end of the air duct (1); a water collecting chamber (41) is provided inside the water collecting box (4); the upper end of the converging port (101) is communicated with the interior of the drainage interlayer (11); and the lower end of the converging port (101) is communicated with the interior of the water collecting chamber (41); A water pump (15) is arranged inside the water collecting box (4); the input end of the water pump (15) is connected to the water collecting chamber (41) inside the water collecting box (4); the output end of the water pump (15) is connected to a humidification pipe (5); the end of the humidification pipe (5) away from the water pump (15) is connected to an atomizing nozzle (6); the atomizing nozzle (6) is connected to the inside of the wind outlet (3).

8. The novel air duct guide device according to claim 7 is characterized in that: A filter box (8) is provided inside the water collecting box (4), and the filter box (8) is located between the converging port (101) and the water pump (15).

9. The novel air duct guide device according to claim 8 is characterized in that: The filter box (8) is a rectangular box structure with an upper opening. The bottom surface of the filter box (8) is provided with grille holes. The interior of the filter box (8) is filled with an activated carbon filter block (81). A rectangular opening (7) is provided on one side of the water collecting box (4). The filter box (8) is movably engaged in the rectangular opening (7). A waterproof electric cylinder (14) is hingedly connected to one end of the filter box (8) away from the rectangular opening (7). An installation groove (42) is provided on the inner wall of the water collecting box (4). The waterproof electric cylinder (14) is fixedly installed in the installation groove (42).

10. A novel air duct guide device according to claim 9, characterized in that: A magnetic block (9) is provided on the side of the water collecting box (4) and below the rectangular opening (7).

Citation Information

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