CN208090966U - A kind of air inlet cooling structure and gas heater for gas heater - Google Patents

A kind of air inlet cooling structure and gas heater for gas heater Download PDF

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Publication number
CN208090966U
CN208090966U CN201820315592.XU CN201820315592U CN208090966U CN 208090966 U CN208090966 U CN 208090966U CN 201820315592 U CN201820315592 U CN 201820315592U CN 208090966 U CN208090966 U CN 208090966U
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air
air inlet
water
heat exchanger
gas heater
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CN201820315592.XU
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卢楚鹏
杨蓬
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Guangdong Vanward New Electric Co Ltd
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Guangdong Vanward New Electric Co Ltd
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Abstract

The utility model discloses a kind of air inlet cooling structure for gas heater and a kind of gas heaters, including discharge duct, admission line, air inlet channel and water-air heat exchanger for supplying air to burner or combustion chamber;The admission line is sheathed on the outside of the discharge duct, and the interior caliber of the admission line is more than the outer tube diameter of the discharge duct;The air inlet channel is connected to the discharge duct, and the air inlet channel is connected to the admission line;The water-air heat exchanger is set in the air inlet channel.It using embodiment provided by the utility model, is avoided that water heater internal component uses under high temperature environment for a long time, ensures the component such as normal work of circuit board master controller and the service life of water heater.

Description

A kind of air inlet cooling structure and gas heater for gas heater
Technical field
The utility model is related to field of water heaters more particularly to a kind of air inlet cooling structures for gas heater And gas heater.
Background technology
In the prior art, domestic gas-fired water heater especially balance type gas water heater, referring to Fig. 1, due to its own Shell structure is fully sealed, and extraneous air air inlet pipeline 21 and gas exhaust piping 22 belong to coaxial sleeve form, when two smoke pipes When very long, the air for 21 sucking of high-temperature flue gas meeting heat external air intake conduit that gas exhaust piping 22 is discharged so that sucking Air has become hot-air when reaching internal body.
However, the present inventor when implementing the utility model, it is found that the prior art at least has the following disadvantages, into body Internal air themperature is high, and water heater internal component can be made to use under high temperature environment for a long time, influence the component of water heater Normal work such as circuit board master controller and service life, and these hot-airs can form primary air and auxiliary air, in this way Injection can influence the combustion conditions and performance of gas heater after entering in burner or combustion chamber so that gas heater complete machine is not It can normal work.
Utility model content
The purpose of the utility model embodiment is to provide a kind of air inlet cooling structure for gas heater, can Reducing the high temperature air of gas heater influences the performance of the component of water heater, and can ensure that gas heater can be normal Work.
To achieve the goals above, one embodiment of the utility model provides a kind of air inlet for gas heater Cooling structure, including discharge duct, admission line, the air inlet channel for supplying air to burner or combustion chamber and Water-air heat exchanger;
The admission line is sheathed on the outside of the discharge duct, and the interior caliber of the admission line is more than the row The outer tube diameter of feed channel;
The air inlet channel is connected to the discharge duct, and the air inlet channel connects with the admission line It is logical;
The water-air heat exchanger is set in the air inlet channel.
Under the water-air heat exchanger is set at the gas outlet of the admission line in one of the embodiments, Side.
Further include air conducting cover in one of the embodiments,;
The air conducting covers above the water-air heat exchanger, and the top of the air conducting cover offers The bottom end of the opening being connect with the gas outlet of the admission line, the air conducting cover extends to the water-air heat exchange The edge at the top of device.
The air conducting cover includes top plate and bottom case in one of the embodiments,;
The opening, the bottom case upper and lower ends opening, the side at the top of the bottom case are offered in the middle part of the top plate Edge is connect with the edge of the bottom of the top plate, and the edge of the bottom of the bottom case extends to the top of water-air heat exchanger Edge.
The water-air heat exchanger includes polylith heat exchange fin and cooling line in one of the embodiments,;
The polylith heat exchange fin is spaced and is set up in parallel successively, and the cooling line is arranged in the polylith heat exchange It is contacted in fin and with each heat exchange fin.
The polylith heat exchange fin is distributed in the lower section of the gas outlet of the admission line in one of the embodiments,.
Another embodiment of the utility model provides a kind of air inlet cooling structure for gas heater, including row Feed channel, admission line, air inlet channel and water-air heat exchanger for supplying air to burner or combustion chamber;
The discharge duct is sheathed on the outside of the admission line, and the interior caliber of the discharge duct be more than it is described into The outer tube diameter of feed channel;
The air inlet channel is connected to the discharge duct, and the air inlet channel connects with the admission line It is logical;
The water-air heat exchanger is set in the air inlet channel.
The above-mentioned air inlet cooling structure for gas heater that the utility model embodiment provides, with background skill Art compares generated advantageous effect:
Admission line is sheathed on the outside of discharge duct, and the interior caliber of the admission line is more than the discharge duct Outer tube diameter, so the heat of hot gas will be transmitted to the air inlet in air inlet pipe in exhaust pipe, by by the air inlet Channel is connected to the discharge duct, and the air inlet channel is connected to the admission line so that air passes through air inlet pipe It is circulated in behind road in the air inlet channel, the air inlet channel described in this way can be supplied to the burner or combustion chamber Air, in addition by the water-air heat exchanger be set to the air inlet channel in so that by thermal exhaust heating air into Gas can carry out heat exchange, to reduce air inlet after flowing into the air inlet channel with the water-air heat exchanger On the one hand the temperature of air inlet in pipe avoids gas heater internal component and uses under high temperature environment in this way, protect Demonstrate,prove the component such as normal work of circuit board master controller and the service life of gas heater;It on the other hand can be to avoid hot-air meeting shape At primary air and auxiliary air, to avoid injection from entering the rear combustion conditions for influencing gas heater in burner or combustion chamber And performance, it can ensure that gas heater can work normally in this way.
Another embodiment of the utility model provides a kind of gas heater, including main heat exchanger, reflux water pipe and on The air inlet cooling structure for gas heater stated;
The outlet pipe that the hot water outlet of the water-air heat exchanger passes through the reflux water pipe and the main heat exchanger Road is connected to.
Another embodiment of the utility model provides a kind of gas heater, including main heat exchanger, reflux water pipe and on The air inlet cooling structure for gas heater stated;
The water inlet that the cooling water inlet of the water-air heat exchanger passes through the shunting water pipe and the main heat exchanger Pipeline connection.
Another embodiment of the utility model provides a kind of gas heater, including main heat exchanger, shunting water pipe, reflux Water pipe and the above-mentioned air inlet cooling structure for gas heater;
The water inlet that the cooling water inlet of the water-air heat exchanger passes through the shunting water pipe and the main heat exchanger Pipeline connection;
The outlet pipe that the hot water outlet of the water-air heat exchanger passes through the reflux water pipe and the main heat exchanger Road is connected to.
The above-mentioned gas heater that the utility model embodiment provides, it is generated beneficial to effect compared with the background art Fruit:
Admission line is sheathed on the outside of discharge duct, and the interior caliber of the admission line is more than the discharge duct Outer tube diameter, so the heat of hot gas will be transmitted to the air inlet in air inlet pipe in exhaust pipe, by by the air inlet Channel is connected to the discharge duct, and the air inlet channel is connected to the admission line so that air passes through air inlet pipe It circulates in afterwards in the channel of the air inlet for supplying air to burner or combustion chamber, the air inlet described in this way is logical Road can supply air to the burner or combustion chamber, and the water-air heat exchanger is led to set on the air inlet In road so that by the air inlet of thermal exhaust heating after flowing into the air inlet channel, can be handed over the water-air heat Parallel operation carries out heat exchange and on the one hand avoids gas heater in this way to reduce the temperature of the air inlet in air inlet pipe Internal component uses under high temperature environment, ensures the component such as normal work of circuit board master controller and the longevity of gas heater Life;On the other hand primary air and auxiliary air can be formed to avoid hot-air, to avoid injection from entering burner or burning Combustion conditions and performance can be influenced behind interior, can ensure that gas heater can work normally in this way.In addition, by that will lead The cold water of the inlet pipeline of heat exchanger has been introduced in the water-air heat exchanger, the cold water circulation cooling pipe, cold water - the heat exchange of water-air has been carried out by the cooling pipe and the fin and the air inlet by thermal exhaust heating, Water after progress heat exchange is oriented to the outlet pipeline of the main heat exchanger, realizes the cycle profit of the main heat exchanger water With, heating cold water is carried out using the heat of the air inlet by thermal exhaust heating, and used the cold water after heating, Realize recycling for energy.
Description of the drawings
Fig. 1 is the structural schematic diagram of the gas heater of the prior art;
Fig. 2 is the combustion with the air inlet cooling structure for gas heater that the utility model embodiment one provides The structural schematic diagram of gas water heater.
Wherein, 1, for the air inlet cooling structure of gas heater;2, main heat exchanger;01, admission line;02, Discharge duct;03, the air inlet channel for supplying air to burner or combustion chamber;04, water-air heat exchanger; 41, heat exchange fin;42, cooling line;05, air conducting cover;51, top plate;52, bottom case;53, outlet pipeline;54, water inlet pipe Road;06, flow back water pipe;07, water pipe is shunted.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts The all other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment one, refers to Fig. 2, present embodiments provides a kind of gas heater, including main heat exchanger 2, reflux Water pipe 06, shunting water pipe (07) and the air inlet cooling structure 1 for gas heater;
The cooling water inlet of the water-air heat exchanger (04) passes through the shunting water pipe (07) and the main heat exchange The inlet pipeline (54) of device (2) is connected to;
The hot water outlet of the water-air heat exchanger 04 passes through the reflux water pipe 06 and the main heat exchanger 2 Outlet pipeline 53 is connected to.
The air inlet cooling structure 1 for gas heater, including admission line 01, discharge duct 02, be used for Air inlet channel 03 and the water-air heat exchanger 04 of air are supplied to burner or combustion chamber;
The admission line 01 is sheathed on the outside of the discharge duct 02, and the interior caliber of the admission line 01 is more than The outer tube diameter of the discharge duct 02;
The air inlet channel 03 is connected to the discharge duct 02, the air inlet channel 03 and the air inlet pipe Road 01 is connected to;
The water-air heat exchanger 04 is set in the air inlet channel 03.
Wherein, the water-air heat exchanger 04 is used to carry out the cooling water of water-air heat exchange by the main heat exchange The inlet pipeline 54 of device 2 is imported by the shunting water pipe 07, to realize a variety of utilizations to water.
Wherein, the water-air heat exchanger 04 is passed through the water after carrying out water-air heat exchange by hot water outlet described Reflux water pipe 06 is oriented to the outlet pipeline 53 of the main heat exchanger 2, so that carrying out the water of water-air heat exchange can be repeated It utilizes.
Preferably, the water-air heat exchanger 04 is set to the lower section at the gas outlet of the admission line 01.
Wherein, since the admission line 01 is sheathed on the outside of the discharge duct 02, and the admission line 01 Interior caliber is more than the outer tube diameter of the discharge duct 02, since the high-temperature flue gas that the discharge duct 02 is discharged can heat air inlet pipe The extraneous air that road 01 sucks so that the extraneous air of sucking has become hot-air when reaching internal body, in the hot-air By admission line 01 gas outlet discharge when, be located at the admission line 01 gas outlet at below water-air heat exchanger 04 will with the hot air, and then the cold water in water-air heat exchanger 04 will with the hot-air carry out water-sky Gas heat exchange, to be lowered into the air inlet temperature inside gas heater.
Preferably, the air inlet cooling structure 1 for gas heater further includes air conducting cover 05;
The air conducting cover 05 is set to 04 top of the water-air heat exchanger, the top of the air conducting cover 05 The opening being connect with the gas outlet of the admission line 01 is offered, the bottom end of the air conducting cover 05 extends to the water- The edge at the top of air heat exchanger 04.
Preferably, the air conducting cover 05 includes top plate 51 and bottom case 52;
The middle part of the top plate 51 offers the opening, 52 upper and lower ends of bottom case opening, the top of the bottom case 52 The edge in portion is connect with the edge of the bottom of the top plate 51, and the edge of the bottom of the bottom case 52 extends to the friendship of water-air heat The edge at the top of parallel operation 04.
Wherein, since the top of the top plate 51 of the air conducting cover 05 is connect with the gas outlet of the admission line 01, The edge at the top of the bottom case 52 is connect with the edge of the bottom of the top plate 51, in this way the gas outlet of the admission line 01 The hot-air of outflow passes through the top plate 51, can be downwardly towards the bottom case 52 in leading for the top plate 51, and due to the sky It is described in this way when the edge at the top that the edge of the bottom of the bottom case 52 of gas kuppe 05 extends to water-air heat exchanger 04 The HAI Heated Air Intake that air conducting cover 05 can flow out the gas outlet of the admission line 01 is oriented to the water-air heat exchange The top of device 04, so that the water-air heat exchanger 04 can effectively cool down HAI Heated Air Intake.
Preferably, the water-air heat exchanger 04 includes polylith heat exchange fin 40 and cooling line 41;
The polylith heat exchange fin 40 is spaced and is set up in parallel successively, and the cooling line 41 is arranged in the polylith It is contacted in heat exchange fin 40 and with each heat exchange fin 40.
Preferably, the polylith heat exchange fin 40 is distributed in the lower section of the gas outlet of the admission line 01.
Wherein, at work, the cooling line 41 in the water-air heat exchanger 04 has cold water and flows into, by institute Cooling line 41 is stated to be arranged in the polylith heat exchange fin 40 and contact with each heat exchange fin 40, it is described cold in this way But pipeline 41 will carry out heat conduction with the polylith heat exchange fin 40, and due to the heat exchange fin 40 be distributed in it is described into The lower section of the gas outlet of feed channel 01, the then meeting of the heat exchange fin 40 be flowed into air inlet channel with the admission line 01 Interior air carries out heat exchange, to reduce the temperature of the air in air inlet channel.
Implement the present embodiment, there is following advantageous effect:
Admission line is sheathed on the outside of discharge duct, and the interior caliber of the admission line is more than the discharge duct Outer tube diameter, so the heat of hot gas will be transmitted to the air inlet in air inlet pipe in exhaust pipe, by by the air inlet Channel is connected to the discharge duct, and the air inlet channel is connected to the admission line so that air passes through air inlet pipe It circulates in afterwards in the channel of the air inlet for supplying air to burner or combustion chamber, the air inlet described in this way is logical Road can supply air to the burner or combustion chamber, and the water-air heat exchanger is led to set on the air inlet In road so that by the air inlet of thermal exhaust heating after flowing into the air inlet channel, can be handed over the water-air heat Parallel operation carries out heat exchange and on the one hand avoids gas heater in this way to reduce the temperature of the air inlet in air inlet pipe Internal component uses under high temperature environment, ensures the component such as normal work of circuit board master controller and the longevity of gas heater Life;On the other hand primary air and auxiliary air can be formed to avoid hot-air, to avoid injection from entering burner or burning Combustion conditions and performance can be influenced behind interior, can ensure that gas heater can work normally in this way.Cold water is oriented to institute State cooling pipe, cold water carried out by the cooling pipe and the fin and the air inlet by thermal exhaust heating- Water after progress heat exchange is oriented to the outlet pipeline of the main heat exchanger, realizes the main heat by the heat exchange of water-air Exchanger water recycles, and carries out heating cold water using the heat of the air inlet by thermal exhaust heating, and to heating Cold water afterwards is used, and realizes recycling for energy.
Only exist in place of embodiment two, the gas heater of embodiment two and the difference of the gas heater of embodiment one In:
The air inlet cooling structure for gas heater, including discharge duct, admission line, for burning The air inlet channel and water-air heat exchanger of device or combustion chamber supply air;
The discharge duct is sheathed on the outside of the admission line, and the interior caliber of the discharge duct be more than it is described into The outer tube diameter of feed channel;
The air inlet channel is connected to the discharge duct, and the air inlet channel connects with the admission line It is logical;
The water-air heat exchanger is set in the air inlet channel.
In the description of the present invention, unless otherwise defined, all of technologies and scientific terms used here by the article with The meaning that is generally understood by a person skilled in the technical field of the present invention is identical.Herein in the explanation of the utility model Term used in book, which is only for the purpose of describing specific embodiments, to be not intended to limit the utility model.Herein Used term "and/or" includes any and all combinations of one or more relevant Listed Items.In addition, term The orientation or positional relationship of the instructions such as "left", "right", "upper", "lower", "inner" is to be based on the orientation or positional relationship shown in the drawings, It is merely for convenience of describing the present invention and simplifying the description, not indicating or implying the indicated device or element must have Specific orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect It connects;It can be mechanical connection, can also be electrical connection;It can be directly connected, can also indirectly connected through an intermediary, it can To be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned term with concrete condition Concrete meaning in the present invention.In addition, skill involved in the utility model different embodiments disclosed below Art feature can be combined with each other as long as they do not conflict with each other.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit Decorations are also considered as the scope of protection of the utility model.

Claims (10)

1. a kind of air inlet cooling structure (1) for gas heater, which is characterized in that including admission line (01), row Feed channel (02), air inlet channel (03) and water-air heat exchanger for supplying air to burner or combustion chamber (04);
The admission line (01) is sheathed on the outside of the discharge duct (02), and the interior caliber of the admission line (01) is big Outer tube diameter in the discharge duct (02);
The air inlet channel (03) is connected to the discharge duct (02), the air inlet channel (03) and the air inlet Pipeline (01) is connected to;
The water-air heat exchanger (04) is set in the air inlet channel (03).
2. being used for the air inlet cooling structure (1) of gas heater as described in claim 1, which is characterized in that the water- Air heat exchanger (04) is set to the lower section at the gas outlet of the admission line (01).
3. being used for the air inlet cooling structure (1) of gas heater as described in claim 1, which is characterized in that further include, Air conducting cover (05);
The air conducting cover (05) is set to above the water-air heat exchanger (04), the top of the air conducting cover (05) End offers the opening being connect with the gas outlet of the admission line (01), and the bottom end of the air conducting cover (05) extends to institute State the edge at the top of water-air heat exchanger (04).
4. being used for the air inlet cooling structure (1) of gas heater as claimed in claim 3, which is characterized in that the sky Gas kuppe (05) includes top plate (51) and bottom case (52);
The opening is offered in the middle part of the top plate (51), bottom case (52) upper and lower ends are open, the bottom case (52) The edge at top is connect with the edge of the bottom of the top plate (51), and the edge of the bottom of the bottom case (52) extends to water-sky The edge at the top of gas-heat exchanger (04).
5. being used for the air inlet cooling structure (1) of gas heater as described in claim 1, which is characterized in that the water- Air heat exchanger (04) includes polylith heat exchange fin (41) and cooling line (42);
The polylith heat exchange fin (41) is spaced and is set up in parallel successively, and the cooling line (42) is arranged in the polylith It is contacted in heat exchange fin (41) and with each heat exchange fin (41).
6. being used for the air inlet cooling structure (1) of gas heater as claimed in claim 5, which is characterized in that
The polylith heat exchange fin (41) is distributed in the lower section of the gas outlet of the admission line (01).
7. a kind of air inlet cooling structure for gas heater, which is characterized in that including discharge duct, admission line, Air inlet channel and water-air heat exchanger for supplying air to burner or combustion chamber;
The discharge duct is sheathed on the outside of the admission line, and the interior caliber of the discharge duct is more than the air inlet pipe The outer tube diameter in road;
The air inlet channel is connected to the discharge duct, and the air inlet channel is connected to the admission line;
The water-air heat exchanger is set in the air inlet channel.
8. a kind of gas heater, which is characterized in that including main heat exchanger (2), reflux water pipe (06) and as claim 1 to 7 any one of them are used for the air inlet cooling structure (1) of gas heater;
The hot water outlet of the water-air heat exchanger (04) passes through the reflux water pipe (06) and the main heat exchanger (2) Outlet pipeline (53) connection.
9. a kind of gas heater, which is characterized in that including main heat exchanger (2), shunting water pipe (07) and as claim 1 to 7 any one of them are used for the air inlet cooling structure (1) of gas heater;
The cooling water inlet of the water-air heat exchanger (04) passes through the shunting water pipe (07) and the main heat exchanger (2) inlet pipeline (54) connection.
10. a kind of gas heater, which is characterized in that including main heat exchanger (2), shunting water pipe (07), reflux water pipe (06) And the air inlet cooling structure (1) as described in any one of claim 1 to 7 for gas heater;
The cooling water inlet of the water-air heat exchanger (04) passes through the shunting water pipe (07) and the main heat exchanger (2) inlet pipeline (54) connection;
The hot water outlet of the water-air heat exchanger (04) passes through the reflux water pipe (06) and the main heat exchanger (2) Outlet pipeline (53) connection.
CN201820315592.XU 2018-03-07 2018-03-07 A kind of air inlet cooling structure and gas heater for gas heater Active CN208090966U (en)

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Application Number Priority Date Filing Date Title
CN201820315592.XU CN208090966U (en) 2018-03-07 2018-03-07 A kind of air inlet cooling structure and gas heater for gas heater

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Application Number Priority Date Filing Date Title
CN201820315592.XU CN208090966U (en) 2018-03-07 2018-03-07 A kind of air inlet cooling structure and gas heater for gas heater

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Publication Number Publication Date
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111141027A (en) * 2019-12-29 2020-05-12 王永辉 Integral water liquid adds hot type chemical industry storage vat heating device
CN111442523A (en) * 2020-04-02 2020-07-24 宁波方太厨具有限公司 Gas water heater
CN112682787A (en) * 2019-10-17 2021-04-20 芜湖美的厨卫电器制造有限公司 Combustion heat exchange assembly and gas water heater
CN114017775A (en) * 2021-10-29 2022-02-08 广东万和新电气股份有限公司 Gas heat exchange device and combustion chamber
CN114829755A (en) * 2019-12-09 2022-07-29 迪傲公司 Pumped thermal energy storage system with annular piping arrangement

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112682787A (en) * 2019-10-17 2021-04-20 芜湖美的厨卫电器制造有限公司 Combustion heat exchange assembly and gas water heater
CN112682787B (en) * 2019-10-17 2022-10-04 芜湖美的厨卫电器制造有限公司 Combustion heat exchange assembly and gas water heater
CN114829755A (en) * 2019-12-09 2022-07-29 迪傲公司 Pumped thermal energy storage system with annular piping arrangement
CN114829755B (en) * 2019-12-09 2023-07-25 迪傲公司 Pumped thermal energy storage system with annular conduit means
CN111141027A (en) * 2019-12-29 2020-05-12 王永辉 Integral water liquid adds hot type chemical industry storage vat heating device
CN111442523A (en) * 2020-04-02 2020-07-24 宁波方太厨具有限公司 Gas water heater
CN114017775A (en) * 2021-10-29 2022-02-08 广东万和新电气股份有限公司 Gas heat exchange device and combustion chamber

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