CN104567491B - Plate-type heat exchange system - Google Patents
Plate-type heat exchange system Download PDFInfo
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- CN104567491B CN104567491B CN201510021278.1A CN201510021278A CN104567491B CN 104567491 B CN104567491 B CN 104567491B CN 201510021278 A CN201510021278 A CN 201510021278A CN 104567491 B CN104567491 B CN 104567491B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003287 bathing Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
<b> plate-type heat exchange system, comprises storage tank, plate type heat exchanger, multiple valves etc.By controlling switch multiple valve thus control water circulation loop, when plate type heat exchanger heats duty hot water taking, current enter from the first interface of plate type heat exchanger and go out from the second interface, and when described plate type heat exchanger quits work, and when giving whole plate-type heat exchange system moisturizing, current enter from the second interface of plate type heat exchanger and go out from first interface, now current are to plate type heat exchanger back flush, thus prevent or delay the speed of water quality in the fouling of plate type heat exchanger inner surface, improve service life and the performance of whole plate-type heat exchange system, and this system architecture is simple, safe and reliable, the features such as good energy saving property.</b>
Description
Technical field
the present invention relates to a kind of plate-type heat exchange system.
Background technology
in prior art, plate-type heat exchange system can be applied to heat-pump water heater and industrial wastewater heat-exchanger rig etc.Purposes widely, as domestic bathing, commercial bathroom, dining room, dining room, industrial stoving, printing and dyeing etc.
due to problem of environmental pollution, the hot water apparatus of the inefficient heavily contaminateds such as traditional electrical heating, boiler will progressively be stopped using, and is instead the heat-pump water heater of high energy efficiency.The heat exchanger that current heat-pump water heater adopts is mainly bushing type and board-like two kinds of forms, and casing type heat exchanging efficiency comparatively plate type heat exchanger is low, but the scaling rate of plate type heat exchanger is higher than bushing type, has a strong impact on the heat exchange efficiency of plate-type heat exchange system.Plate-type heat exchange system, comprise storage tank that water inlet is connected by inlet channel with water source end, the heating to export and heat by first plate type heat exchanger that pipeline is connected of first interface and described storage tank, the import that heats of described storage tank heats pipeline with the second interface of described plate type heat exchanger by second and is connected, and described first heats on pipeline and be provided with water circulating pump.Have data to show, water quality scaling rate is relevant with water-quality constituents, water temperature, flow velocity, holdup time etc., and water temperature is higher, and when the time of staying longer, water quality is poorer, water quality scaling rate is faster.Therefore for plate type heat exchanger, high-temperature-hot-water is become after cold water flows through plate type heat exchanger and refrigerant carries out heat exchange, because flow area is little, long-time one-way flow, flow resistance is large, and poor water quality is easy to change interior surface fouling at plate, and plate type heat exchanger efficiency is reduced, also flow resistance is increased, so relative to the easier fouling of double pipe heat exchanger.Particularly high temperature heat pump and northern water quality, water temperature is high, water quality inferiority, and scaling rate is faster, and after using a period of time, plate type heat exchanger heat exchange efficiency will decline, and affect the runnability of plate-type heat exchange system.
Summary of the invention
the technical problem to be solved in the present invention is to provide a kind of plate-type heat exchange system.
in order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of plate-type heat exchange system, comprise the storage tank that water inlet is connected by inlet channel with water source end, the heating of first interface and described storage tank exports and heats by first the plate type heat exchanger that pipeline is connected, the import that heats of described storage tank heats pipeline with the second interface of described plate type heat exchanger by second and is connected, described first heats on pipeline and is provided with water circulating pump, described inlet channel is provided with the first valve, described second heats on pipeline and is provided with the second valve, described plate-type heat exchange system also comprises the first moisturizing pipeline be connected between water source end and the second interface of described plate type heat exchanger, be connected to the second moisturizing pipeline between the water inlet of storage tank and the first interface of described plate type heat exchanger, the first described moisturizing pipeline is provided with the 3rd valve, the second described moisturizing pipeline is provided with the 4th valve.
in some embodiments, the first described valve, the second described valve, the 3rd described valve and the 4th described valve are magnetic valve or are motor-driven valve.
in some embodiments, the first described valve and the second described valve are connected.
in some embodiments, the 3rd described valve and the 4th described valve are connected.
in some embodiments, when described plate type heat exchanger heats, the first described valve and the second described valve are opened respectively, and the 3rd described valve and the 4th described valve are closed respectively; When described plate type heat exchanger stops, the 3rd described valve and the 4th described valve are opened respectively, and the first described valve and the second described valve are closed respectively.
in some embodiments, the delivery port of described storage tank is connected by outlet conduit with described user's use side.
in some embodiments, described storage tank can be bearing type water tank or non-bearing type water tank.
scope of the present invention, is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain simultaneously and be undertaken being combined by above-mentioned technical characteristic or its equivalent feature and other technical scheme of being formed.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme etc. formed.
because technique scheme is used, the present invention compared with prior art has following advantages: by controlling switch multiple valve thus control water circulation loop, when plate type heat exchanger heats duty hot water taking, current enter from the first interface of plate type heat exchanger and go out from the second interface, and when described plate type heat exchanger quits work, and when giving whole plate-type heat exchange system moisturizing, current enter from the second interface of plate type heat exchanger and go out from first interface, now current are to plate type heat exchanger back flush, thus prevent or delay the speed of water quality in the fouling of plate type heat exchanger inner surface, improve service life and the performance of whole plate-type heat exchange system, and this system architecture is simple, safe and reliable, the features such as good energy saving property.
Accompanying drawing explanation
accompanying drawing 1 is the connection diagram of plate-type heat exchange system;
accompanying drawing 2 is current flow schematic diagram when plate type heat exchanger heats work;
accompanying drawing 3 is current flow schematic diagram when plate type heat exchanger quits work;
wherein: 1, storage tank; 2, plate type heat exchanger; 3, inlet channel; 4, outlet conduit; 5, first pipeline is heated; 6, second pipeline is heated; 7, the first moisturizing pipeline; 8, the second moisturizing pipeline; 9, water circulating pump; 11, the first valve; 12, the second valve; 13, the 3rd valve; 14, the 4th valve; A, water source end; B, client's use side; C, first interface; D, the second interface.
Detailed description of the invention
as shown in Figure 1, a kind of plate-type heat exchange system, adopts plate type heat exchanger 2, utilizes a mode of heating hot water preparing.Comprise storage tank 1 that water inlet is connected by inlet channel 3 with water source end a, the heating to export and heat by first plate type heat exchanger 2 that pipeline 5 is connected of first interface c and storage tank 1, the import that heats of storage tank 1 heats pipeline 6 with the second interface d of plate type heat exchanger 2 by second and is connected, and the delivery port of storage tank 1 is connected by outlet conduit 4 with user's use side b.Be connected with between water source end a and the second interface d of plate type heat exchanger 2 between first moisturizing pipeline 7, the water inlet of storage tank 1 and the first interface c of plate type heat exchanger 2 and be connected with the second moisturizing pipeline 8.
storage tank 1 can be bearing type water tank or non-bearing type water tank.
first heats on pipeline 5 and is provided with water circulating pump 9, inlet channel 3 is provided with the first valve 11, the second and heats pipeline 6 to be provided with the second valve 12, first moisturizing pipeline 7 is provided with on the 3rd valve 13, second moisturizing pipeline 8 and be provided with the 4th valve 14.
first valve 11, second valve 12, the 3rd valve 13 and the 4th valve 14 are respectively magnetic valve.First valve 11 and the second valve 12 are connected.3rd valve 13 and the 4th valve 14 are connected.Or the first valve 11, second valve 12, the 3rd valve 13 and the 4th valve 14 also can be respectively motor-driven valve.
when plate type heat exchanger 2 hot water preparing, as shown in Figure 2, first valve 11 and the second valve 12 are opened respectively, 3rd valve 13 and the 4th valve 14 are closed respectively, cold water enters storage tank 1 moisturizing by water source end a through the first valve 11, squeezes into plate type heat exchanger 2 by water circulating pump 9 by the first interface c of plate type heat exchanger 2, and after heat exchange, high-temperature-hot-water flows out from the second interface d of plate type heat exchanger 2, be stored in storage tank 1 by the second valve again, namely form a closed circuit.
when plate type heat exchanger 2 quits work, namely stop heating, during to storage tank 1 moisturizing, as shown in Figure 3, the 3rd valve 13 and the 4th valve 14 are opened respectively, first valve 11 and the second valve 12 are closed respectively, cold water enters plate type heat exchanger 2 through the 3rd valve 13 by the second interface d of plate type heat exchanger 2 by water source end a, is then flowed out, through the 4th valve 14 by the first interface c of plate type heat exchanger 2, flow in storage tank 1, namely complete a moisturizing closed circuit.Now, carry out backwash to plate type heat exchanger 2, dirty matter is not also completely stably attached to plate type heat exchanger 2 inner surface, can slow down the scaling rate of water quality in plate type heat exchanger 2 timely and effectively like this, improves heat exchanger performance.
as mentioned above, we are illustrated according to aim of the present invention completely, but the present invention is not limited to above-described embodiment and implementation method.Different changes and enforcement is carried out in the scope that the practitioner of correlative technology field can permit at technological thought of the present invention.
Claims (7)
1. a plate-type heat exchange system, comprise the storage tank (1) that water inlet is connected by inlet channel (3) with water source end (a), the heating of first interface (c) and described storage tank (1) exports and heats by first the plate type heat exchanger (2) that pipeline (5) is connected, the import that heats of described storage tank (1) heats pipeline (6) with the second interface (d) of described plate type heat exchanger (2) by second and is connected, described first heats on pipeline (5) and is provided with water circulating pump (9), it is characterized in that: described inlet channel (3) is provided with the first valve (11), described second heats on pipeline (6) and is provided with the second valve (12), described plate-type heat exchange system also comprise be connected to water source end (a) and described plate type heat exchanger (2) the second interface (d) between the first moisturizing pipeline (7), be connected to the second moisturizing pipeline (8) between the water inlet of storage tank (1) and the first interface (c) of described plate type heat exchanger (2), the first described moisturizing pipeline (7) is provided with the 3rd valve (13), the second described filling pipe
Road (8) is provided with the 4th valve (14).
2. plate-type heat exchange system according to claim 1, is characterized in that: described the first valve (11), described the second valve (12), the 3rd described valve (13) and the 4th described valve (14) are for magnetic valve or be motor-driven valve.
3. plate-type heat exchange system according to claim 1, is characterized in that: described the first valve (11) and described the second valve (12) are connected.
4. plate-type heat exchange system according to claim 1, is characterized in that: the 3rd described valve (13) and the 4th described valve (14) are connected.
5. plate-type heat exchange system according to claim 1, it is characterized in that: when described plate type heat exchanger (2) heats, described the first valve (11) and described the second valve (12) are opened respectively, and the 3rd described valve (13) and the 4th described valve (14) are closed respectively; When described plate type heat exchanger (2) stops, the 3rd described valve (13) and the 4th described valve (14) are opened respectively, and described the first valve (11) and described the second valve (12) are closed respectively.
6. plate-type heat exchange system according to claim 1, is characterized in that: the delivery port of described storage tank (1) is connected by outlet conduit (4) with user's use side (b).
7. plate-type heat exchange system according to claim 1, is characterized in that: described storage tank (1) is the one in bearing type water tank and non-bearing type water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021278.1A CN104567491B (en) | 2015-01-16 | 2015-01-16 | Plate-type heat exchange system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021278.1A CN104567491B (en) | 2015-01-16 | 2015-01-16 | Plate-type heat exchange system |
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| Publication Number | Publication Date |
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| CN104567491A CN104567491A (en) | 2015-04-29 |
| CN104567491B true CN104567491B (en) | 2016-04-27 |
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| CN201510021278.1A Active CN104567491B (en) | 2015-01-16 | 2015-01-16 | Plate-type heat exchange system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110953715B (en) * | 2019-12-25 | 2022-04-22 | 青岛海尔新能源电器有限公司 | Dynamic descaling control method for heat pump hot water unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09138092A (en) * | 1995-11-15 | 1997-05-27 | Toshiba Corp | Cooling water system in plate type heat exchanger |
| CN201589576U (en) * | 2010-01-15 | 2010-09-22 | 浙江日风电气有限公司 | Back-washing system of plate type heat exchanger |
| CN203414012U (en) * | 2013-06-18 | 2014-01-29 | 中信建筑设计研究总院有限公司 | Underground water plate heat exchanger online backwashing device |
| CN103994492A (en) * | 2014-05-29 | 2014-08-20 | 宁夏欣达节能技术有限公司 | Hot water supply system with solar energy and wall-hung stove linked and intelligent control method |
| CN204514133U (en) * | 2015-01-16 | 2015-07-29 | 江苏苏净集团有限公司 | Plate-type heat exchange system |
-
2015
- 2015-01-16 CN CN201510021278.1A patent/CN104567491B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09138092A (en) * | 1995-11-15 | 1997-05-27 | Toshiba Corp | Cooling water system in plate type heat exchanger |
| CN201589576U (en) * | 2010-01-15 | 2010-09-22 | 浙江日风电气有限公司 | Back-washing system of plate type heat exchanger |
| CN203414012U (en) * | 2013-06-18 | 2014-01-29 | 中信建筑设计研究总院有限公司 | Underground water plate heat exchanger online backwashing device |
| CN103994492A (en) * | 2014-05-29 | 2014-08-20 | 宁夏欣达节能技术有限公司 | Hot water supply system with solar energy and wall-hung stove linked and intelligent control method |
| CN204514133U (en) * | 2015-01-16 | 2015-07-29 | 江苏苏净集团有限公司 | Plate-type heat exchange system |
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| CN104567491A (en) | 2015-04-29 |
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Address after: No.2, Weixin Road, industrial park, Suzhou, Jiangsu Province, 215000 Patentee after: JIANGSU SUJING GROUP Co.,Ltd. Patentee after: Suzhou Sujing Anfa Environmental Technology Co.,Ltd. Address before: No.2, Weixin Road, industrial park, Suzhou, Jiangsu Province, 215000 Patentee before: JIANGSU SUJING GROUP Co.,Ltd. Patentee before: SUZHOU SUJING AIM FAR AIR CONDITIONING Co.,Ltd. |
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