CN220648686U - Hydrogen electric heating pump integrated system - Google Patents

Hydrogen electric heating pump integrated system Download PDF

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CN220648686U
CN220648686U CN202322193744.7U CN202322193744U CN220648686U CN 220648686 U CN220648686 U CN 220648686U CN 202322193744 U CN202322193744 U CN 202322193744U CN 220648686 U CN220648686 U CN 220648686U
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heat exchanger
heat
hydrogen
heating unit
integrated system
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CN202322193744.7U
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李振峰
周宁
刘洋
徐雁翔
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Guangdong Kangshibai Technology Co ltd
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Guangdong Kangshibai Technology Co ltd
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Abstract

The utility model discloses a hydrogen and electric heating pump integrated system, and relates to the technical field of hydrogen energy. The system comprises a ground source heat pump module, a heat pump module and a control module, wherein the ground source heat pump module comprises a compressor, a heat exchanger group, an expansion valve, a third heat exchanger and a four-way reversing valve, and the heat exchanger group comprises a first heat exchanger and a second heat exchanger; the hydrogen-electricity equipment heat exchange module comprises a hydrogen production heating unit, a second heat exchanger and a water heating unit connected with the second heat exchanger in parallel, wherein control valves are arranged on parallel pipelines where the second heat exchanger and the water heating unit are positioned to control the on-off of the pipelines; the ground source heat exchange system comprises a buried heat exchanger and a first heat exchanger; and the terminal heat exchange module comprises a terminal refrigerating and heating unit and a third heat exchanger. According to the integrated hydrogen and electric heat pump system, the ground source heat pump module, the hydrogen and electric equipment heat exchange module, the ground source heat exchange system and the terminal heat exchange module are combined into a whole for heat exchange, so that heat generated by the hydrogen production heating unit is fully utilized, and the energy utilization rate is improved.

Description

Hydrogen electric heating pump integrated system
Technical Field
The utility model relates to the technical field of hydrogen energy, in particular to a hydrogen electric heating pump integrated system.
Background
The distributed energy is an energy supply mode built at the user side, can be independently operated and can also be operated in a grid-connected mode, has a very wide application range, can be used for hospitals, sanatoriums, large commercial buildings, office buildings, hotels, gymnasiums and the like, and at present, distributed energy power stations utilizing wind energy, solar energy and natural gas have been widely applied.
With the technical development of hydrogen fuel cells, a distributed fuel cell power station for generating power by adopting hydrogen electric equipment has obvious advantages compared with other energy sources, and the hydrogen electric equipment utilizes the hydrogen fuel cells for generating power and has the advantages of no pollution, low noise, high power generation efficiency, small occupied area, flexible assembly and the like. The hydrogen electric equipment can also generate a large amount of heat energy in the process of generating electric energy, so that energy sources need to be reasonably utilized to avoid energy waste.
Disclosure of Invention
The present utility model is directed to a hydrogen and electric heat pump integrated system that solves one or more of the problems of the prior art, and provides at least one of a beneficial choice or creation.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a hydrogen electric heating pump integrated system, which comprises a ground source heat pump module, wherein the ground source heat pump module comprises a compressor, a heat exchanger group, an expansion valve and a third heat exchanger which are connected in series in a closed loop, the heat exchanger group comprises a first heat exchanger and a second heat exchanger, and the first heat exchanger is used for exchanging heat with a ground heat source; the hydrogen electric equipment comprises a hydrogen electric equipment heat exchange module, wherein the hydrogen electric equipment heat exchange module comprises a hydrogen production heating unit, and the hydrogen production heating unit exchanges heat with the second heat exchanger; the terminal heat exchange module comprises a terminal refrigerating and heating unit, and the terminal refrigerating and heating unit exchanges heat with the third heat exchanger; and the comprehensive power supply device is electrically connected with the hydrogen electric equipment.
The beneficial effects of the utility model are as follows: the heat exchange is carried out by combining the ground source heat pump module, the hydrogen equipment heat exchange module and the terminal heat exchange module into a whole, so that the heat generated by the hydrogen production heating unit is fully utilized, the whole hydrogen electric heating pump system can stably operate, the heat of the hydrogen production heating unit can be reasonably utilized, the energy waste is avoided, and the energy utilization rate is improved.
As a further improvement of the above technical solution, the first heat exchanger and the second heat exchanger are connected in series through a pipeline.
As a further improvement of the above technical solution, the first heat exchanger and the second heat exchanger are connected in parallel through a pipeline.
As a further improvement of the above technical solution, the hydro-electric apparatus heat exchange module further includes a water heating unit connected in parallel with the second heat exchanger. When the ground source heat pump module can refrigerate indoors, the waste heat generated by the hydrogen production heating unit can not be utilized by the ground source heat pump module, and under the condition, the heat of the cooling water of the hydrogen production heating unit can be used for heating water, so that the heat waste generated by the hydrogen production heating unit during indoor refrigeration is avoided, and the effective utilization of the heat of the hydrogen production heating unit in an indoor refrigeration mode is ensured.
As a further improvement of the technical scheme, the parallel pipelines where the second heat exchanger and the water heating unit are arranged are all provided with flow control valves. The flow distribution of the cooling water on the two parallel pipelines can be regulated through the flow control valve, so that the heat of the hydrogen production heating unit is more fully used for the ground source heat pump module.
As a further improvement of the technical scheme, the water heating unit comprises a fourth heat exchanger, two liquid flow paths are arranged in the fourth heat exchanger, one liquid flow path is connected with the water storage tank, and the other liquid flow path is connected with the hydrogen production heating unit. By the arrangement, the refrigerant pipeline is not in direct contact with water in the water storage tank, so that the safety of water can be ensured, and water pollution caused by leakage of cooling water of the hydrogen production heating unit is avoided.
As a further improvement of the technical scheme, the terminal refrigerating and heating unit is an air conditioner fan coil and an indoor floor heating pipeline which are connected in parallel.
As a further improvement of the technical scheme, the control valves are arranged on the parallel pipelines of the indoor air conditioner fan coil and the indoor floor heating pipeline to control the on-off of the pipeline. Different heating modes can be selected by controlling the valve.
As a further improvement of the technical scheme, the hydrogen production heating unit supplies power to the hydrogen electric heating pump integrated system. The hydrogen production heating unit can provide heat energy and electric energy, and the comprehensive energy utilization rate is high.
As a further development of the above-described solution, the integrated power supply device comprises a solar module and/or a wind energy module, which supply the hydrogen power plant with power. The solar energy or wind energy is utilized to convert the electric energy required by the hydrogen power equipment, so that the energy utilization rate is further improved.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic diagram of a hydrogen electric heat pump integrated system according to an embodiment of the present utility model;
fig. 2 is a schematic view of the hydrogen electric heat pump integrated system according to embodiment 1 of the present utility model in the indoor cooling mode;
fig. 3 is a schematic view of the hydrogen electric heating pump integrated system according to embodiment 1 of the present utility model in an indoor heating mode;
fig. 4 is a schematic view showing the structure of the integrated hydrogen and electric heat pump system according to embodiment 2 of the present utility model in the indoor heating mode.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Example 1:
a hydrogen-electric heat pump integrated system of embodiment 1 of the present utility model, which includes a ground source heat pump module 200, a hydrogen electric device 100, and a terminal heat exchange module 500, is described with reference to fig. 1 to 3. The hydrogen-electricity device 100 comprises a hydrogen-electricity device heat exchange module 101, the ground source heat pump module 200 comprises a heat exchanger group and a third heat exchanger 250, wherein the heat exchanger group realizes heat exchange between the hydrogen-electricity device heat exchange module 101 and the ground source heat pump module 200, the third heat exchanger 250 realizes heat exchange between the terminal heat exchange module 500 and the ground source heat pump module 200, a refrigerant circularly flows in the ground source heat pump module 200, and cooling water circularly flows in the hydrogen-electricity device heat exchange module 101 and the terminal heat exchange module 500. When cooling is required in the summer, the refrigerant is liquefied and released in the heat exchanger group, and is evaporated and absorbed in the third heat exchanger 250, and when heating is required in the winter, the refrigerant is evaporated and absorbed in the heat exchanger group, and is liquefied and released in the third heat exchanger 250.
Specifically, the ground source heat pump module 200 includes a compressor 201, a four-way reversing valve 210, a heat exchanger group, an expansion valve 240, and a third heat exchanger 250. The compressor 201, the heat exchanger group, the expansion valve 240 and the third heat exchanger 250 are sequentially connected in series through pipelines to form a closed-loop refrigerant circulation loop, a refrigerant output port of the compressor 201 is connected with the four-way reversing valve 210, and the four-way reversing valve 210 is connected between the heat exchanger group and the third heat exchanger 250 to realize circulating flow and reversing of the refrigerant. The heat exchanger group includes a first heat exchanger 220 and a second heat exchanger 230 connected in series, the first heat exchanger 220 is used for performing heat exchange with a geothermal source, and a refrigerant flow channel and a cooling water flow channel are respectively arranged in the first heat exchanger 220, the second heat exchanger 230 and the third heat exchanger 250, and it is understood that the refrigerant flow channel and the cooling water flow channel perform heat exchange with each other.
The terminal heat exchange module 500 comprises a third heat exchanger 250 and a terminal refrigerating and heating unit which are connected in series to form a closed loop, wherein a cooling water flow channel of the third heat exchanger 250 is connected with the terminal refrigerating and heating unit to regulate the indoor temperature, when the indoor is in a refrigerating working condition, the compressor 201 compresses the refrigerant into a high-temperature high-pressure gas state, then the refrigerant enters the first heat exchanger 220 and the second heat exchanger 230 to liquefy and release heat through the four-way reversing valve 210, then enters the third heat exchanger 250 to absorb heat through evaporation after passing through the expansion valve 240, and finally enters the compressor 201 to perform the next circulation through the four-way reversing valve 210; when the indoor heating working condition is adopted, the four-way reversing valve 210 switches channels, the high-temperature and high-pressure gaseous refrigerant flowing out of the compressor 201 passes through the four-way reversing valve 210, reversely enters the third heat exchanger 250 to liquefy and release heat, passes through the expansion valve 240, enters the first heat exchanger 220 and the second heat exchanger 230 to absorb heat by evaporation, and finally enters the compressor 201 through the four-way reversing valve 210 to carry out the next circulation.
The terminal cooling and heating unit connected to the cooling water flow passage of the third heat exchanger 250 may be an indoor air conditioner fan coil 520 or an indoor floor heating pipe 510. In this embodiment, the indoor air conditioning fan coil 520 and the indoor floor heating pipe 510 form a parallel pipeline and then communicate with the cooling water flow channel of the third heat exchanger 250. The parallel connection lines of the indoor air conditioner fan coil 520 and the indoor floor heating pipeline 510 are also respectively provided with a third control valve 160 and a fourth control valve 170. When the indoor is in a refrigerating working condition, the fourth control valve 170 is closed, the third control valve 160 is opened, and the indoor air conditioner fan coil 520 is refrigerated; when the indoor heating condition is adopted, the third control valve 160 and the fourth control valve 170 can be both opened to heat the indoor air conditioner fan coil 520 and the indoor floor heating pipeline 510 at the same time, or one of the control valves can be selectively opened to heat one of the indoor air conditioner fan coil 520 and the indoor floor heating pipeline 510.
Further, the parallel connection lines of the indoor air conditioner fan coil 520 and the indoor floor heating pipeline 510 are further provided with a third flow control valve 180 and a fourth flow control valve 190, respectively, and by controlling the opening degrees of the third flow control valve 180 and the fourth flow control valve 190, the flow distribution of the two parallel connection lines of the indoor air conditioner fan coil 520 and the indoor floor heating pipeline 510 can be adjusted.
The hydro-electric device heat exchange module 101 comprises a hydrogen production heating unit 102, a first water pump 110, a second heat exchanger 230 and a water heating unit. In this embodiment, the hydrogen production heat generating unit is a fuel cell heat generating component. The water heating unit includes a fourth heat exchanger 420, a water storage tank 400, and a third water pump 410. The fourth heat exchanger 420 also includes two liquid flow channels, and the cooling water flow channel of the second heat exchanger 230 is connected in parallel with one liquid flow channel of the fourth heat exchanger 420 and then forms a closed-loop cooling water loop with the hydrogen production heating unit 102 and the first water pump 110. The other liquid flow passage of the fourth heat exchanger 420 is connected to the water storage tank 400 and the third water pump 410. When the cooling water in the hydrogen production heating unit 102 flows through the second heat exchanger 230, the cooling water having absorbed the heat of the hydrogen production heating unit provides heat to the ground source heat pump module 200; when the cooling water in the hydrogen production heat generating unit 102 flows through the fourth heat exchanger 420, the cooling water having absorbed the heat of the hydrogen production heat generating unit provides heat to the water storage tank 400. The parallel pipeline where the second heat exchanger 230 is located and the parallel pipeline where the fourth heat exchanger 420 is located are respectively connected with a first control valve 120 and a second control valve 130, and the two control valves are used for controlling the on-off of the two parallel pipelines. For example, when the temperature is low in winter, the first control valve 120 is opened, the second control valve 130 is closed, so that the parallel pipeline where the fourth heat exchanger 420 is located is cut off, and after the cooling water of the hydrogen production heating unit 102 absorbs the heat of the hydrogen production heating unit, the heat energy is provided to the ground source heat pump module 200 through the second heat exchanger 230; of course, the first control valve 120 and the second control valve 130 may be opened simultaneously, so that the heat of the hydrogen production heating unit 102 provides heat energy to the ground source heat pump module 200 and the water heating unit simultaneously; when the temperature in summer is higher, the ground source heat pump module 200 needs to cool the indoor space, the refrigerant dissipates heat outwards in the first heat exchanger 220 and the second heat exchanger 230, and at this time, the first control valve 120 is closed and the second control valve 130 is opened without the waste heat generated by the hydrogen production heating unit, so that the parallel pipeline where the second heat exchanger 230 is located is cut off, and the heat of the cooling water of the hydrogen production heating unit is used for heating the water storage tank 400.
Further, the third heat exchanger 250 is connected with a temperature sensor 260, the parallel pipeline where the second heat exchanger 230 is located and the parallel pipeline where the fourth heat exchanger 420 is located are respectively connected with the first flow control valve 140 and the second flow control valve 150, the opening degrees of the first flow control valve 140 and the second flow control valve 150 are adjusted by temperature signals of the temperature sensor 260, and the flow distribution of cooling water on the two parallel pipelines can be adjusted, so that the heat of the hydrogen production heating unit 102 is more fully used for the ground source heat pump module 200. It can be appreciated that the temperature sensor 260 may be disposed at the refrigerant input end or the refrigerant output end of the third heat exchanger 250 to sense the temperature of the refrigerant, or may be disposed at the surface of the third heat exchanger 250 to detect the temperature of the air near the third heat exchanger 250, and adjusted by the temperature detection of the temperature sensor 260, for example, when the third heat exchanger 250 heats up, if the temperature of the temperature sensor 260 is lower than the set temperature, the opening degree of the first flow control valve 140 is increased, the opening degree of the second flow control valve 150 is decreased, and more cooling water enters the second heat exchanger 230 to exchange heat; if the temperature of the temperature sensor 260 is higher than the set temperature, the opening degree of the first flow control valve 140 is decreased, and the opening degree of the second flow control valve 150 is increased, so that the surplus heat is used to heat the water storage tank 400.
The first heat exchanger 220 exchanges heat with the geothermal source, and specifically, the second water pump 310, the buried heat exchanger 320 and the first heat exchanger 220 are connected through pipelines to form a closed-loop cooling water loop. In this embodiment, the buried heat exchanger 320 is composed of a plurality of groups of heat exchange tubes connected in parallel.
In the integrated hydrogen-electric heat pump system of this embodiment, the refrigerant circuit of the heat exchanger group of the ground source heat pump module 200 and the cooling water circulation circuit of the heat exchange module 101 of the hydrogen-electric device realize heat exchange, and the third heat exchanger 250 is connected to the indoor heat exchange assembly to emit heat or absorb heat indoors. When the indoor cooling condition is in summer, the refrigerant flow channels of the first heat exchanger 220 and the second heat exchanger 230 of the ground source heat pump module 200 radiate heat to the outside, at this time, the first control valve 120 is closed, the second control valve 130 is opened, the ground source heat pump module 200 does not exchange heat with the hydrogen equipment heat exchange module 101, the heat of the ground source heat pump module 200 is transferred to the geothermal source side through the first heat exchanger 220, and the heat of the hydrogen production heating unit is used for heating the water storage tank 400; when the indoor heating working condition is in winter, the heat exchange module 101 of the hydrogen-electricity device and the geothermal source simultaneously provide heat for the ground source heat pump module 200, so that the heating efficiency of the ground source heat pump module 200 can be improved. The arrangement ensures that the heat of the hydrogen production heating unit 102 can be reasonably utilized no matter in which season, thereby avoiding energy waste and improving the energy utilization rate.
In addition, the electric power generated by the hydrogen production heat generating unit 102 is used to supply electric power to the compressor 201, the first water pump 110, the second water pump 310, and the third water pump 410.
Further, the integrated hydrogen-electric heat pump system further comprises a comprehensive power supply device 600, wherein the comprehensive power supply device 600 comprises a solar module and/or a wind energy module, the solar module converts solar energy into electric energy and supplies power to the internal electric components of the hydrogen electric equipment 100, and the wind energy module converts wind energy into electric energy and supplies power to the internal electric components of the hydrogen electric equipment 100, so that natural energy sources are fully utilized, and the energy utilization rate is improved.
In the present embodiment, the water heating unit realizes heat exchange through the fourth heat exchanger 420 with dual liquid channels, in other embodiments, the water heating unit may also be a water storage container with heat exchange tubes, where two end connecting pipelines of the heat exchange tubes are connected in parallel with the second heat exchanger 230, the middle part of the heat exchange tubes is set as a heat dissipation coil, the heat dissipation coil is arranged in the water storage container in a penetrating way, and when the cooling water of the hydrogen production heating unit flows through the heat dissipation coil, the heat dissipation coil directly exchanges heat with the water in the water storage container. Compared with the fourth heat exchanger 420, the heat dissipation coil is directly placed in the water storage container, so that the risk that cooling water leaks into the water storage container is caused, and the water use safety can be ensured by adopting the heat exchange mode of the fourth heat exchanger 420.
In other embodiments, the ground source heat pump module 200 may not be provided with the four-way reversing valve 210, and the hydrogen-electric heat pump integrated system only heats the terminal chamber.
Example 2:
embodiment 2 is different from embodiment 1 in that the first heat exchanger 220 and the second heat exchanger 230 are connected in parallel by a pipe as shown in fig. 4. The refrigerant of the heat pump system of example 1, while flowing, exchanges heat through the first heat exchanger 220 and then further exchanges heat through the second heat exchanger 230. In the heat pump system of embodiment 2, a part of the refrigerant enters the first heat exchanger 220 to exchange heat while flowing, and the other part enters the second heat exchanger 230 to exchange heat, and one of the hydrogen-electric device heat exchange module 101 and the geothermal source can be selected to provide heat energy to the terminal heat exchange module 500 through pipeline control, or the hydrogen-electric device heat exchange module 101 and the geothermal source can be selected to simultaneously provide heat energy to the terminal heat exchange module 500.
While the preferred embodiments of the present utility model have been illustrated and described, the present utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present utility model, and these are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. A hydrogen electric heat pump integrated system, comprising:
a ground source heat pump module (200) comprising a compressor (201), a heat exchanger group, an expansion valve (240) and a third heat exchanger (250) which are connected in series in a closed loop, wherein the heat exchanger group comprises a first heat exchanger (220) and a second heat exchanger (230), and the first heat exchanger (220) is used for exchanging heat with a geothermal source;
a hydrogen electric device (100), wherein the hydrogen electric device (100) comprises a hydrogen electric device heat exchange module (101), the hydrogen electric device heat exchange module (101) comprises a hydrogen production heating unit (102), and the hydrogen production heating unit (102) exchanges heat with the second heat exchanger (230);
a terminal heat exchange module (500) comprising a terminal cooling and heating unit, wherein the terminal cooling and heating unit exchanges heat with the third heat exchanger (250);
and a comprehensive power supply device (600) electrically connected with the hydrogen power equipment (100).
2. The hydrogen electric heat pump integrated system of claim 1, wherein:
the first heat exchanger (220) and the second heat exchanger (230) are connected in series by a pipeline.
3. A hydrogen electric heat pump integrated system according to claim 1, wherein:
the first heat exchanger (220) and the second heat exchanger (230) are connected in parallel through a pipeline.
4. The hydrogen-electric heat pump integrated system according to any one of claims 1 to 3, wherein:
the hydro-electric device heat exchange module (101) further comprises a water heating unit in parallel with the second heat exchanger (230).
5. The hydrogen electric heat pump integrated system of claim 4, wherein:
and the second heat exchanger (230) and the parallel pipeline where the water heating unit is arranged are respectively provided with a flow control valve.
6. The hydrogen electric heat pump integrated system of claim 5, wherein:
the water heating unit comprises a fourth heat exchanger (420), two liquid flow paths are arranged in the fourth heat exchanger (420), one liquid flow path is connected with the water storage tank (400), and the other liquid flow path is connected with the hydrogen production heating unit (102).
7. The hydrogen electric heat pump integrated system of claim 1, wherein:
the terminal refrigerating and heating unit is an indoor air conditioner fan coil (520) and an indoor ground heating pipeline (510) which are connected in parallel.
8. The hydrogen electric heat pump integrated system of claim 7, wherein:
and control valves are arranged on the parallel pipelines of the indoor air conditioner fan coil (520) and the indoor ground heating pipeline (510) to control the on-off of the pipeline.
9. The hydrogen electric heat pump integrated system of claim 1, wherein:
the hydrogen production heating unit (102) supplies power to the hydrogen electric heating pump integrated system.
10. The hydrogen electric heat pump integrated system of claim 1, wherein:
the integrated power supply device (600) comprises a solar module and/or a wind energy module, which supply power to the hydrogen power plant (100).
CN202322193744.7U 2023-08-15 2023-08-15 Hydrogen electric heating pump integrated system Active CN220648686U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322193744.7U CN220648686U (en) 2023-08-15 2023-08-15 Hydrogen electric heating pump integrated system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322193744.7U CN220648686U (en) 2023-08-15 2023-08-15 Hydrogen electric heating pump integrated system

Publications (1)

Publication Number Publication Date
CN220648686U true CN220648686U (en) 2024-03-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322193744.7U Active CN220648686U (en) 2023-08-15 2023-08-15 Hydrogen electric heating pump integrated system

Country Status (1)

Country Link
CN (1) CN220648686U (en)

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