CN113754013B - Warm boiled water obtaining device with water treatment filter element - Google Patents

Warm boiled water obtaining device with water treatment filter element Download PDF

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Publication number
CN113754013B
CN113754013B CN202110923272.9A CN202110923272A CN113754013B CN 113754013 B CN113754013 B CN 113754013B CN 202110923272 A CN202110923272 A CN 202110923272A CN 113754013 B CN113754013 B CN 113754013B
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China
Prior art keywords
water
water outlet
filter element
hot water
pipeline
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CN202110923272.9A
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Chinese (zh)
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CN113754013A (en
Inventor
王行飞
刘红星
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Ningbo Fotile Kitchen Ware Co Ltd
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Ningbo Fotile Kitchen Ware Co Ltd
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Priority to CN202110923272.9A priority Critical patent/CN113754013B/en
Publication of CN113754013A publication Critical patent/CN113754013A/en
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/027—Nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/08—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/147—Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/18—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/58—Multistep processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

A water treatment filter element is characterized by comprising a filter shell, a membrane filter element, a central tube and a heating module, wherein the filter shell comprises an end cover, an inner tube and an outer tube, the inner tube is arranged in the outer tube, the inner tube is made of heat-conducting materials, a hot water channel is formed between the outer wall of the inner tube and the inner wall of the outer tube, the end cover is arranged at the front end parts of the inner tube and the outer tube and at least provided with a raw water inlet port and a warm water outlet, and the inner end of the warm water outlet is connected with the water outlet end of the hot water channel; the membrane filter element is arranged in the shell and the tail end of the membrane filter element is used for raw water to enter; the heating module is arranged at the rear end part of the filter shell and can heat the water flow flowing out from the purified water outlet. The hot water channel, the cold water channel and the heating module are integrated into the filter element to finish the heat exchange of cold water and hot water, so that warm boiled water can be obtained. The volume is compact, the number of pipelines is small, the water leakage problem caused by pipeline connection is solved, and the cost is reduced.

Description

Warm water obtaining device with water treatment filter element
Technical Field
The invention relates to a water filter and also relates to a warm water device.
Background
With the increasing popularity of water purification products at the user's home, the demand of some users has not been satisfied to solitary water purification function, and many people hope that water purification products can contain the function of going out hot water. Under different use scenes, people have different requirements on the outlet water temperature. For example, hot water at about 90 ℃ suitable for making tea and coffee, such as warm water with 45 ℃ action suitable for drinking. At present, a plurality of aquatic products with heating functions are available on the market. For example, the pipeline machine can be connected behind the water purifier to heat the purified water. There are also water purification products that contain a hot tank to provide hot water to the user.
The heating products on the market at present generally directly heat the water to the required temperature. Hot water obtained by such a product is not sterilized at high temperature, so that there may be problems such as bacteria. Therefore, another solution is also available on the market: a warm water device. The product is that water is heated to boil or close to boil, and then the hot water is cooled by a heat exchange system, so as to obtain warm boiled water. The warm water boiling device has the advantages of large heat exchange system volume, high cost and long pipeline, so the price is higher generally, and the volume of the whole machine is larger.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a water treatment filter element with a compact structure in view of the above technical situation.
The second technical problem to be solved by the present invention is to provide a warm boiled water obtaining device with a compact structure in view of the above technical situation.
The technical scheme adopted by the invention for solving the first technical problem is as follows: a water treatment filter element is characterized by comprising
The filter shell comprises an end cover, an inner cylinder and an outer cylinder, wherein the inner cylinder is arranged in the outer cylinder, the inner cylinder is made of heat-conducting materials, a hot water channel is formed between the outer wall of the inner cylinder and the inner wall of the outer cylinder, the end cover is arranged at the front end parts of the inner cylinder and the outer cylinder and at least provided with a raw water inlet port and a warm water outlet, and the inner end of the warm water outlet is connected with the water outlet end of the hot water channel;
the shell is arranged in the inner cylinder, the front end of the shell is connected with the inner side of the end cover, the rear end of the shell is opened, a cold water channel is formed between the outer wall of the shell and the inner wall of the inner cylinder, and the water inlet end of the cold water channel is connected with a raw water inlet port;
the membrane filter element is arranged in the shell and the tail end of the membrane filter element is used for raw water to enter;
the central pipe is arranged in the middle of the membrane filter element and is laterally provided with a water distribution hole, one end far away from the end cover is provided with a purified water outlet, and the purified water outlet is connected with the water inlet end of the hot water channel; and
and a heating module provided at a rear end portion of the filter casing and capable of heating a water flow flowing out from the purified water outlet.
The end cover is also provided with a waste water outlet, the front end of the shell is provided with a waste water outlet, and the waste water outlet is hermetically connected and communicated with the waste water outlet. The membrane filter element can adopt a nanofiltration membrane or an RO membrane.
Furthermore, the rear end part of the filter shell is provided with a bottom cover, and the heating module is arranged on the bottom wall of the bottom cover.
The technical scheme adopted by the invention for solving the second technical problem is as follows: a warm boiled water obtaining device, which comprises a primary filter element, a secondary filter element and a water treatment filter element,
the primary filter element is internally provided with a primary membrane filter element and is provided with a primary water inlet, a primary purified water outlet, a primary hot water inlet and a primary hot water outlet, a primary cold water channel is formed in a water channel between the primary water inlet and the primary purified water outlet, a primary hot water channel is formed in a water channel between the primary hot water inlet and the primary hot water outlet, and the primary cold water channel and the primary hot water channel are independent and can exchange heat with each other;
the secondary filter element is internally provided with a secondary membrane filter element and is provided with a secondary water inlet, a secondary purified water outlet, a secondary hot water inlet and a secondary hot water outlet, a water path between the secondary water inlet and the secondary purified water outlet forms a secondary cold water channel, a water path between the secondary hot water inlet and the secondary hot water outlet forms a secondary hot water channel, and the secondary cold water channel and the secondary hot water channel are independent from each other and can exchange heat with each other;
the primary purified water outlet is connected with the secondary water inlet through a first pipeline;
the secondary purified water outlet is connected with a raw water inlet port of the water treatment filter element through a second pipeline;
the warm water outlet port of the water treatment filter element is connected with the primary hot water inlet through a third pipeline, the third pipeline is provided with a first electromagnetic valve and is connected with a first warm water pipeline, the first warm water pipeline is provided with a second electromagnetic valve, and the water outlet end of the first warm water pipeline forms a first warm water outlet;
the first-stage hot water outlet is connected with the second-stage hot water inlet through a fourth pipeline, a third electromagnetic valve is arranged on the fourth pipeline and connected with a second warm water pipeline, the second warm water pipeline is provided with a fourth electromagnetic valve, and a water outlet end of the second warm water pipeline forms a second warm water outlet;
the second-stage hot water outlet is connected with a third warm water pipeline, and a water outlet end of the third warm water pipeline is provided with a fifth electromagnetic valve to form a third warm water outlet.
Furthermore, a hot water channel of the water treatment filter element is connected with a hot water pipeline outwards, a sixth electromagnetic valve is arranged on the hot water pipeline, and a hot water outlet is formed at the water outlet end.
Compared with the prior art, the invention has the advantages that: the hot water channel, the cold water channel and the heating module are integrated into the filter element to finish the heat exchange of cold water and hot water, so that warm boiled water can be obtained. The volume is compact, the number of pipelines is small, the water leakage problem caused by pipeline connection is solved, and the cost is reduced.
Drawings
Fig. 1 is a schematic view of the appearance structure of embodiment 1.
Fig. 2 is a perspective sectional view of embodiment 1.
Fig. 3 is an exploded view of fig. 1.
FIG. 4 is a schematic view showing a state where the water treatment cartridge of example 1 is used alone.
FIG. 5 is a schematic structural view in example 2.
FIG. 6 is a flow chart of the water circuit of embodiment 3.
FIG. 7 is a flow chart of the water circuit of the embodiment 4.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Example 1 as shown in fig. 1, 2 and 3, the water treatment cartridge in this example comprises a filter housing, a housing 6, a membrane cartridge 5, a center tube 4, a heating module 8 and a bottom cover 7,
the filter shell comprises an end cover 1, an inner cylinder 3 and an outer cylinder 2, wherein the inner cylinder 3 is arranged in the outer cylinder 2, the inner cylinder 3 is made of heat-conducting materials, a hot water channel 15 is formed between the outer wall of the inner cylinder 3 and the inner wall of the outer cylinder 2, the end cover 1 is arranged at the front end parts of the inner cylinder 3 and the outer cylinder 2 and is provided with a raw water inlet port 12, a warm water outlet 11 and a waste water outlet 13, and the inner end of the warm water outlet 11 is connected with the water outlet end of the hot water channel 15;
the shell 6 is arranged in the inner cylinder 3, the front end of the shell is connected with the inner side of the end cover 1, the rear end of the shell is opened, a cold water channel 14 is formed between the outer wall of the shell 6 and the inner wall of the inner cylinder 3, and the water inlet end of the cold water channel 14 is connected with a raw water inlet port 12; the front end of the housing 6 has a waste water outlet which is in sealed connection and communication with the waste water outlet 13.
The membrane filter element 5 is arranged in the shell 6, and raw water enters the tail end of the membrane filter element 5, wherein the membrane filter element 5 in the embodiment adopts a nanofiltration membrane or RO; the central pipe 4 is arranged in the middle of the membrane filter element 5 and is laterally provided with a water distribution hole, one end far away from the end cover 1 is provided with a purified water outlet, and the purified water outlet is connected with the water inlet end of the hot water channel 15; the heating module 8 is provided on the bottom wall of the bottom cover 7 and can heat the water flowing out from the purified water outlet. The bottom cover 7 is arranged at the rear end part of the filter shell.
As shown in fig. 4, the water treatment filter element in embodiment 1 is schematically shown in a state when used alone, a booster pump 1c is arranged on the water inlet path, and an electromagnetic valve 3c and a wastewater ratio 2c are arranged at the wastewater outlet end.
Example 2, as shown in fig. 5, the water treatment cartridge 10 of this example has no wastewater effluent, and the membrane cartridge employs an ultrafiltration membrane or a microfiltration membrane, and the other structures refer to example 1.
In embodiment 3, as shown in fig. 6, the warm boiled water obtaining apparatus in this embodiment includes a primary filter element 101, a secondary filter element 102, and a water treatment filter element 10, where the water treatment filter element in this embodiment is the water treatment filter element in embodiment 2.
The water channel between the first-stage water inlet and the first-stage water purification outlet forms a first-stage cold water channel 1a, the water channel between the first-stage hot water inlet and the first-stage hot water outlet forms a first-stage hot water channel 1b, and the first-stage cold water channel 1a and the first-stage hot water channel 1b are independent from each other and can exchange heat with each other.
The secondary filter element 102 is internally provided with a secondary membrane filter element 2d and is provided with a secondary water inlet, a secondary purified water outlet, a secondary hot water inlet and a secondary hot water outlet, a water channel between the secondary water inlet and the secondary purified water outlet forms a secondary cold water channel 2a, a water channel between the secondary hot water inlet and the secondary hot water outlet forms a secondary hot water channel 2b, and the secondary cold water channel 2a and the secondary hot water channel 2b are independent and can exchange heat with each other; the waste water pipe of the secondary filter element 102 is provided with a waste water ratio 2c and an electromagnetic valve 3c. The front end of the secondary filter element 102 is provided with a booster pump 1c.
The primary purified water outlet is connected with the secondary water inlet through a first pipeline 1 e; the second-stage purified water outlet is connected with a raw water inlet port 12 of the water treatment filter element through a second pipeline 2 e.
The warm water outlet of the water treatment filter element 10 is connected with the first-stage hot water inlet through a third pipeline 3e, a first electromagnetic valve 1f is arranged on the third pipeline 3e and is connected with a first warm water pipeline 1h, a second electromagnetic valve 2f is arranged on the first warm water pipeline 1h, and the water outlet end forms a first warm water outlet.
The first-stage hot water outlet is connected with the second-stage hot water inlet through a fourth pipeline 4e, a third electromagnetic valve 3f is arranged on the fourth pipeline 4e and is connected with a second warm water pipeline 2h, and the second warm water pipeline 2h is provided with a fourth electromagnetic valve 4f and is provided with a water outlet end to form a second warm water outlet.
The second-stage hot water outlet is connected with a third warm water pipeline 3h, and a water outlet end of a fifth electromagnetic valve 5f is arranged on the third warm water pipeline 3h to form a third warm water outlet.
After raw water passes through the primary filter element 101, the secondary filter element 102 and the water treatment filter element 10, hot water heated by the heating module 8 enters a hot water channel behind the water treatment filter element 10.
When the second electromagnetic valve 2f is opened, the fourth electromagnetic valve 4f and the fifth electromagnetic valve 5f are closed, and warm boiled water with the temperature of T1 flows out from the first warm water outlet.
When the first electromagnetic valve 1f and the fourth electromagnetic valve 4f are opened, the second electromagnetic valve 2f and the third electromagnetic valve 3f are closed, and warm boiled water with the temperature of T2 flows out from the second warm water outlet.
When the first electromagnetic valve 1f, the third electromagnetic valve 3f and the fifth electromagnetic valve 5f are opened, the second electromagnetic valve 2f and the fourth electromagnetic valve 4f are closed, and warm boiled water with the temperature T3 flows out of the third warm water outlet.
T3 < T2 < T1 here.
The first-stage filter element 101 and the second-stage filter element 102 have the same structure, and can finish cold and hot water heat exchange inside.
In embodiment 4, as shown in fig. 7, a hot water channel 15 of the water treatment filter element 10 in the warm water obtaining device in this embodiment is externally connected with a hot water pipeline 4h, a sixth electromagnetic valve 6f is arranged on the hot water pipeline 4h, a hot water outlet is formed at a water outlet end, and a seventh electromagnetic valve 7f is arranged on a pipeline parallel to the hot water pipeline 4h (when warm water is taken, the seventh electromagnetic valve 7f is closed). Other structures refer to example 4.
And closing the first electromagnetic valve 1f, the second electromagnetic valve 2f and the seventh electromagnetic valve 7f, opening the sixth electromagnetic valve 6f, and enabling hot water to flow out from the hot water outlet, wherein the water temperature is T4, and T1 is less than T4.

Claims (2)

1. A warm boiled water obtaining device with a water treatment filter element, which is characterized by comprising a primary filter element (101), a secondary filter element (102) and a water treatment filter element (10),
the water channel between the primary water inlet and the primary water outlet forms a primary cold water channel (1 a), the water channel between the primary hot water inlet and the primary hot water outlet forms a primary hot water channel (1 b), and the primary cold water channel (1 a) and the primary hot water channel (1 b) are independent from each other and can exchange heat with each other;
a second-stage membrane filter element (2 d) is arranged in the second-stage filter element (102) and is provided with a second-stage water inlet, a second-stage purified water outlet, a second-stage hot water inlet and a second-stage hot water outlet, a second-stage cold water channel (2 a) is formed in a water path between the second-stage water inlet and the second-stage purified water outlet, a second-stage hot water channel (2 b) is formed in a water path between the second-stage hot water inlet and the second-stage hot water outlet, and the second-stage cold water channel (2 a) and the second-stage hot water channel (2 b) are independent from each other and can exchange heat with each other;
the primary purified water outlet is connected with the secondary water inlet through a first pipeline (1 e);
the secondary purified water outlet is connected with a raw water inlet port (12) of the water treatment filter element (10) through a second pipeline (2 e);
the warm water outlet of the water treatment filter element (10) is connected with the first-stage hot water inlet through a third pipeline (3 e), a first electromagnetic valve (1 f) is arranged on the third pipeline (3 e) and is connected with a first warm water pipeline (1 h), a second electromagnetic valve (2 f) is arranged on the first warm water pipeline (1 h), and the water outlet end of the first warm water pipeline forms a first warm water outlet;
the first-stage hot water outlet is connected with the second-stage hot water inlet through a fourth pipeline (4 e), a third electromagnetic valve (3 f) is arranged on the fourth pipeline (4 e) and is connected with a second warm water pipeline (2 h), the second warm water pipeline (2 h) is provided with a fourth electromagnetic valve (4 f), and a water outlet end forms a second warm water outlet;
the second-stage hot water outlet is connected with a third warm water pipeline (3 h), a fifth electromagnetic valve (5 f) is arranged on the third warm water pipeline (3 h), and a water outlet end forms a third warm water outlet;
the aforesaid water treatment filter core includes:
the filter shell comprises an end cover (1), an inner cylinder (3) and an outer cylinder (2), wherein the inner cylinder (3) is arranged in the outer cylinder (2), the inner cylinder (3) is made of heat-conducting materials, a hot water channel (15) is formed between the outer wall of the inner cylinder (3) and the inner wall of the outer cylinder (2), the end cover (1) is arranged at the front end parts of the inner cylinder (3) and the outer cylinder (2) and at least provided with a raw water inlet port (12) and a warm water outlet (11), and the inner end of the warm water outlet (11) is connected with a water outlet end of the hot water channel (15);
a shell (6) which is arranged in the inner cylinder (3), the front end of the shell is connected with the inner side of the end cover (1), the rear end of the shell is opened, a cold water channel (14) is formed between the outer wall of the shell (6) and the inner wall of the inner cylinder (3), and the water inlet end of the cold water channel (14) is connected with a raw water inlet port (12);
a membrane filter element (5) which is arranged in the shell (6) and the tail end of which is used for raw water to enter;
the central pipe (4) is arranged in the middle of the membrane filter element (5), is provided with a water distribution hole in the lateral direction, and is provided with a purified water outlet at one end far away from the end cover (1), and the purified water outlet is connected with the water inlet end of the hot water channel (15); and
a heating module (8) which is provided at the rear end of the filter housing and can heat the water flowing out from the purified water outlet;
the end cover (1) is also provided with a waste water outlet (13), the front end of the shell (6) is provided with a waste water outlet, and the waste water outlet is hermetically connected and communicated with the waste water outlet (13);
the rear end part of the filter shell is provided with a bottom cover (7), and the heating module (8) is arranged on the bottom wall of the bottom cover (7).
2. The warm boiled water obtaining device according to claim 1, wherein a hot water passage (15) of the water treatment filter element (10) is connected with a hot water pipeline outwards, a sixth electromagnetic valve (6 f) is arranged on the hot water pipeline, and a hot water outlet is formed at the water outlet end.
CN202110923272.9A 2021-08-12 2021-08-12 Warm boiled water obtaining device with water treatment filter element Active CN113754013B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110923272.9A CN113754013B (en) 2021-08-12 2021-08-12 Warm boiled water obtaining device with water treatment filter element

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Application Number Priority Date Filing Date Title
CN202110923272.9A CN113754013B (en) 2021-08-12 2021-08-12 Warm boiled water obtaining device with water treatment filter element

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CN113754013A CN113754013A (en) 2021-12-07
CN113754013B true CN113754013B (en) 2022-10-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017148147A1 (en) * 2016-03-01 2017-09-08 佛山市美的清湖净水设备有限公司 Water channel plate having multiple water discharge channels for water purifier, filtering device and water purifier
CN207784950U (en) * 2017-06-07 2018-08-31 杭州再想科技有限公司 Heat exchange tank and apply its Drinking fountain
CN209610859U (en) * 2019-01-11 2019-11-12 广东吉宝电器科技有限公司 A kind of heat-exchange device of instant heating type drinking machine
CN209900807U (en) * 2019-01-10 2020-01-07 广东韦博科技有限公司 Filter core with inner core structure
CN111504087A (en) * 2020-05-25 2020-08-07 陈注文 High-efficiency energy-saving heat exchange device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017148147A1 (en) * 2016-03-01 2017-09-08 佛山市美的清湖净水设备有限公司 Water channel plate having multiple water discharge channels for water purifier, filtering device and water purifier
CN207784950U (en) * 2017-06-07 2018-08-31 杭州再想科技有限公司 Heat exchange tank and apply its Drinking fountain
CN209900807U (en) * 2019-01-10 2020-01-07 广东韦博科技有限公司 Filter core with inner core structure
CN209610859U (en) * 2019-01-11 2019-11-12 广东吉宝电器科技有限公司 A kind of heat-exchange device of instant heating type drinking machine
CN111504087A (en) * 2020-05-25 2020-08-07 陈注文 High-efficiency energy-saving heat exchange device

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