CN210861335U - Plate-type living water unit - Google Patents
Plate-type living water unit Download PDFInfo
- Publication number
- CN210861335U CN210861335U CN201921525979.9U CN201921525979U CN210861335U CN 210861335 U CN210861335 U CN 210861335U CN 201921525979 U CN201921525979 U CN 201921525979U CN 210861335 U CN210861335 U CN 210861335U
- Authority
- CN
- China
- Prior art keywords
- water
- pipeline
- plate
- water supply
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The utility model relates to a heat transfer device technical field, concretely relates to board-like living water unit, it includes plate heat exchanger and secondary water supply line, the secondary water supply line with plate heat exchanger's cold source export intercommunication, be provided with the muddy water jar on the secondary water supply line. Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a pair of defect among the prior art has been overcome to board-like running water unit, and it is lower that it has solved the heat exchange efficiency who appears in traditional positive displacement heat exchanger, and area is big, difficult installation maintenance, the high scheduling problem of running cost. The problem that the water volume of the plate heat exchanger is small and the water supply temperature is fluctuated frequently is further solved.
Description
Technical Field
The utility model relates to a heat transfer device technical field, concretely relates to board-like running water unit.
Background
With the continuous improvement of the living standard of people, the demand of living hot water is increased, and the occupancy of living hot water users in urban centralized heat supply is low, which greatly influences the reduction of the centralized heat supply cost, the improvement of the competitiveness of the centralized heat supply and the improvement of the utilization rate of a heat power large network.
Heat exchange equipment such as positive displacement type heat exchange equipment is mostly adopted in heat exchange equipment of an existing domestic hot water system, the heat exchange efficiency of the product is low, the equipment is large in size and large in occupied area, particularly in a luxurious city, the size is large, a heating station is mostly arranged in a basement, the installation and maintenance are not easy, and the operation cost is high. If the heat exchange equipment of the domestic hot water system adopts a plate-type domestic water unit, the problems can be solved. However, the problem of temperature fluctuations often arises in plate heat exchangers because of the small water volume. The problem of temperature fluctuation seriously influences the water temperature stability of the domestic water system. Because the domestic water system requires stable water temperature, the plate-type domestic water unit still cannot be widely applied to the domestic hot water supply system.
In conclusion, it is very urgent to design a living water unit with small equipment volume, low operation cost and stable water supply and temperature.
In view of the above-mentioned drawbacks, the authors of the present invention have finally obtained the present invention through long-term research and practice.
SUMMERY OF THE UTILITY MODEL
For solving the technical defect, the utility model discloses a technical scheme lie in, the utility model provides a plate-type living water unit, it includes plate heat exchanger and secondary water supply line, the secondary water supply line with plate heat exchanger's cold source export intercommunication, be provided with the water mixing jar on the secondary water supply line.
Preferably, a first heating device is arranged in the water mixing tank.
Preferably, the plate heat exchanger further comprises a secondary water return pipeline, the secondary water return pipeline is communicated with a cold source inlet of the plate heat exchanger, the secondary water return pipeline further comprises a main circulating water pump pipeline, and a circulating water pump is arranged on the main circulating water pump pipeline.
Preferably, the heat exchanger further comprises a primary water return pipeline and a primary water supply pipeline, wherein the primary water supply pipeline is communicated with a heat source inlet of the plate heat exchanger, and the primary water return pipeline is communicated with a heat source outlet of the plate heat exchanger; and an electromagnetic regulating valve is also arranged on the primary water return pipeline.
Preferably, the water supply system further comprises a plurality of parameter measuring devices, wherein the primary water supply pipeline, the primary water return pipeline, the secondary water return pipeline and the secondary water supply pipeline are respectively provided with a plurality of parameter measuring devices, and the parameter measuring devices are local display instruments and/or remote transmission instruments.
Preferably, the device further comprises a control device, the control device is respectively connected with the circulating water pump and the electric regulating valve, and the control device is used for controlling the circulating water pump and the electric regulating valve; the control device is also connected with the parameter measuring device for collecting the measuring data.
Preferably, the system further comprises a water replenishing pipeline, the secondary water returning pipeline downstream of the main circulating water pump pipeline is connected with the water replenishing pipeline, and a descaling device is arranged on the water replenishing pipeline.
Preferably, the number of the plate heat exchangers is several, and the plate heat exchangers are arranged in parallel through a confluence part and a shunt part; the plate-type living water unit further comprises an auxiliary circulating water pump pipeline, and the auxiliary circulating water pump pipeline and the main circulating water pump pipeline are arranged in parallel through a confluence component and a shunting component.
Preferably, the inlet of the primary water supply line, the outlet of the primary water return line, the inlet of the secondary water return line and the outlet of the secondary water supply line are respectively provided with a shut-off valve; and the primary water supply pipeline and the secondary water return pipeline are respectively provided with a Y-shaped filter.
Preferably, a safety valve is further connected to the secondary water supply pipeline between the upstream of the water mixing tank and the cold source outlet.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model overcomes but the defect among the prior art provides a board-like living water unit, and it has solved among the traditional living water system heat exchange efficiency that positive displacement heat exchanger appears lower, area is big, difficult installation and maintenance, the high scheduling problem of running cost. The problem that the water volume of the plate heat exchanger is small and the water supply temperature is fluctuated frequently is further solved. In addition, the plate-type domestic water machine set solves the problem that hot water cannot be normally supplied during the period of heat source outage, reduces environmental pollution, reduces cost and saves occupied area.
Drawings
Fig. 1 is a schematic structural view of a plate-type domestic water unit in embodiment 1 of the present invention.
Reference numerals:
the device comprises a plate heat exchanger 1, a water replenishing pipeline 4, a primary water supply pipeline 11, a primary water return pipeline 12, an electromagnetic regulating valve 13, a sewage discharge valve 14, a secondary water return pipeline 21, a secondary water supply pipeline 22, a circulating water pump 23, a Y-shaped filter 24, a water mixing tank 25, a first heating device 26, a safety valve 27, a check valve 28, a descaling device 41, a pressure sensor 50, a temperature sensor 51, a thermometer 52 and a pressure gauge 53.
Detailed Description
The above and further features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Example 1
As shown in fig. 1, the utility model provides a board-like living water unit, it includes plate heat exchanger 1, and plate heat exchanger 1 divide into once side and secondary side, and plate heat exchanger 1 includes that heat source import, heat source export, cold source import and cold source export, and wherein heat source import and heat source export belong to once side, and cold source import and cold source export belong to the secondary side.
Preferably, in this embodiment, the heat source inlet is arranged at the upper side of the plate heat exchanger 1. The cold source outlet is arranged at the side upper part of the plate heat exchanger 1. The heat source outlet is arranged at the lower side part of the plate heat exchanger 1, and the cold source inlet is arranged at the lower side part of the plate heat exchanger 1. Further, a heat source inlet and a heat source outlet are arranged on one side of the plate heat exchanger 1, and a cold source outlet and a cold source inlet are arranged on the other side of the plate heat exchanger 1.
A heat source inlet of the plate heat exchanger 1 is connected with a primary water supply pipeline 11, and a heat source outlet of the plate heat exchanger 1 is connected with a primary water return pipeline 12. Preferably, an electromagnetic regulating valve 13 is further provided on the primary water return line 12. The primary water supply line 11 is provided with a first filter device, which may be a Y-filter 24.
The cold source inlet of the plate heat exchanger 1 is connected with a secondary water return pipeline 21, and the cold source outlet of the plate heat exchanger 1 is connected with a secondary water supply pipeline 22.
Preferably, the utility model provides a board-like living water unit, it includes a plurality of plate heat exchangers 1, and a plurality of plate heat exchangers 1 are through converging the parallel setting of part and reposition of redundant personnel part. Preferably, in this embodiment, two plate heat exchangers 1 are arranged in parallel. The primary water supply pipeline 11 is divided into two branch pipelines by a flow dividing component, and the two branch pipelines are respectively connected with heat source inlets of the two plate heat exchangers 1. In addition, two branch pipelines respectively connected with the heat source outlets of the two plate heat exchangers 1 are connected to the primary water return pipeline 12 through a confluence part. The secondary water return pipeline 21 is divided into two branch pipelines through a flow dividing component, and the two branch pipelines are respectively connected with cold source inlets of the two plate heat exchangers 1. In addition, two branch pipelines respectively connected with cold source outlets of the two plate heat exchangers 1 are connected to the secondary water supply pipeline 22 through a confluence part.
The secondary water supply line 22 is provided with a second filter device, which may preferably be a Y-filter 24. The second filter means is preferably located near the inlet end of the secondary water supply line 22.
The secondary water supply line 22 is provided with a water mixing tank 25. Preferably, install hot water on the secondary water supply pipeline 22 and mix the water pitcher, its volume is not more than 1 square meter, mixes water pitcher 25's setting and makes the high water of temperature and the lower water of temperature that comes out from plate heat exchanger 1 send pipeline system again after the intensive mixing in the blending tank to avoid the major-minor fluctuation of secondary water supply temperature, guaranteed the relative stability of temperature, solved plate heat exchanger because the water volume is very little, the undulant problem of water supply temperature often appears.
An electric first heating device 26 is arranged in the mixing tank 25, preferably the first heating device 26 is an electric heating tube bundle. The beneficial effects are that: an electric heating tube bundle is arranged in the water mixing tank 25 on the secondary water supply pipeline 22, so that the problem that hot water cannot be normally supplied during the period of stopping the heat source or overhauling is solved. At present, the phenomenon of abnormal supply of a hot water system caused by insufficient steam supply can occur in many heat exchange stations, or the stability of hot water supply can be seriously influenced if a heat source is suddenly lost. The problem can be solved by adding an electric heating tube bundle in the water mixing tank 25 of the plate-type living water unit.
A safety valve 27 is connected to the secondary water supply line 22 between the upstream of the water mixing tank 25 and the outlet of the cold source. A safety valve 27 is arranged between the water mixing tank 25 and the plate heat exchanger 1 of the plate type domestic water unit and used for releasing the pressure raised by the unit due to thermal expansion and the like, so that the stable and safe operation of the unit is ensured.
The secondary water return pipeline 21 further comprises a main circulating water pump pipeline, and the main circulating water pump pipeline is sequentially provided with a shut-off valve, a circulating water pump 23, a check valve 28 and a shut-off valve along the flowing direction. Preferably, the circulating water pump 23 is connected to the pipeline upstream and downstream of itself through a soft joint.
In this embodiment, the secondary water return line 21 further includes a secondary water circulation pump line, and the secondary water circulation pump line is disposed in parallel with the primary water circulation pump line through the confluence part and the diversion part. The auxiliary circulating water pump pipeline is provided with a shut-off valve, a circulating water pump 23, a check valve 28 and a shut-off valve in sequence along the flow direction. Preferably, the circulating water pump 23 is connected to the pipeline upstream and downstream of itself through a soft joint.
In the embodiment, preferably, the secondary water return line 21 downstream of the main circulating water pump line and/or the secondary circulating water pump line is connected to the water supply line 4, and the water supply line 4 is provided with a descaling device 41 and a check valve 28. Further, a descaling device is installed near the refill inlet of the refill line 4, and a check valve 28 is provided on the refill line 4 downstream of the descaling device 41. The descaling device 41 is preferably an electronic descaling apparatus. The electronic descaling instrument is environment-friendly and simple descaling equipment, and can effectively prevent scale from being formed in the plate heat exchanger 1.
The utility model provides a plate-type domestic water unit still includes a plurality of parameter measurement device, is provided with a plurality of parameter measurement device on water supply line 11, a return water line 12, secondary return water line 21 and the secondary water supply line 22 respectively. The parameter measuring device may also be a pressure sensor 50 or a temperature sensor 51 or a thermometer 52 or a pressure gauge 53. The thermometer 52 and pressure gauge 53 may be attributed to an on-site display meter and the pressure sensor 50 and temperature sensor 51 may be attributed to a remote meter.
Preferably, the secondary water supply line 22 downstream of the mixing tank 25 is provided with a pressure sensor 50, a temperature sensor 51, a thermometer 52 and a pressure gauge 53 in the flow direction in sequence. A temperature sensor 51, a pressure sensor 50, a pressure meter 53 and a thermometer 52 are sequentially arranged on the secondary water supply pipe 22 between the second filtering device and the main circulating water pump pipe along the flow direction. A thermometer 52, a pressure gauge 53, a pressure sensor 50 and a temperature sensor 51 are sequentially arranged on the primary water supply pipeline 11 at the downstream of the first filtering device along the flow direction. A pressure sensor 50 and a temperature sensor 51 are sequentially provided in the flow direction on the primary water return line 12 upstream of the electromagnetic adjusting valve 13. A thermometer 52 and a pressure gauge 53 are arranged on the primary water return line 12 downstream of the electromagnetic adjusting valve 13 in sequence along the upward direction.
In addition, a pressure gauge 53 is provided on the secondary water return line 21 upstream of the cold source inlet.
The utility model provides a board-like running water unit still includes a plurality of shut-off valves, preferably, the entry of a water supply line 11, the export of a return water pipeline 12, the entry of secondary return water pipeline 21, the export of secondary water supply line 22 and the entry of moisturizing pipeline 4 are provided with the shut-off valve respectively.
The utility model provides a board-like running water unit still includes controlling means, and controlling means can realize intelligent accurate control, and realizable multiple functional. The control device can be connected to a higher-level control apparatus. The control device is also connected to an electric control valve 13, which is capable of controlling the electric control valve 13. The control device is also connected with the first heating device to control the starting time of the first heating device. The control device is also connected with the circulating water pump 23 to control the circulating water pump 23 to work.
The control device is also connected with the parameter measuring device and remotely collects the measured data. Preferably, the control device is connected to a pressure sensor 50 and a temperature sensor 51 on the secondary water return line 21. The control unit is connected to a pressure sensor 50 and a temperature sensor 51 on the primary water supply line 11. The control device is connected to a pressure sensor 50 and a temperature sensor 51 on the primary water return line 12. The control unit is connected to a pressure sensor 50 and a temperature sensor 51 on the secondary water supply line 22.
The plate-type domestic water machine set can realize local automatic control, and the pressure sensor 50 and the temperature sensor 52 which are arranged on the primary water supply pipeline 11, the primary water return pipeline 12, the secondary water return pipeline 21 and the secondary water supply pipeline 22 can acquire data information at any time and transmit the data information to a central control room through a control device. The central control room can clearly see the operation condition of each unit, send out a control instruction, and simultaneously change parameters on line to realize remote monitoring.
In addition, the plate-type domestic water unit that provides in this embodiment can prevent scale effectively, and specific scale control measure is:
firstly, no matter whether the unit consumes water or not, the circulating water pump 23 on the secondary water return pipeline 21 is always in a low-speed circulating state, so that the formation of scale in the plate heat exchanger 1 and the pipeline can be delayed;
secondly, an electromagnetic regulating valve 13 is arranged on the primary water return pipeline 12, the electromagnetic regulating valve 13 is an advanced water temperature regulating device, the primary water supply temperature entering the plate heat exchanger 1 can be reduced by using the device, the water temperature is ensured to be below 70 ℃, and the scaling speed in the plate heat exchanger 1 is relieved;
thirdly, an electronic scale remover is arranged at an inlet of the water replenishing pipeline 4, the electronic scale remover is environment-friendly and simple scale removing equipment, and scale is further prevented from being formed in the plate heat exchanger 1.
The equipment on the plate-type domestic water machine set can be integrated on the base of the machine set.
In addition, the primary water supply line 11, the primary water return line 12, the secondary water return line 21, and the secondary water supply line 22 are further provided with a blowoff valve 14, which is preferably provided on a pipe near the heat source inlet, a pipe near the heat source outlet, a pipe near the cold source inlet, and a pipe near the cold source outlet, respectively. A blow-down valve 14 is also provided in the secondary water return line 21 upstream of the primary recycle water pump line.
The working principle of the plate-type domestic water unit provided in the embodiment is as follows:
the work of the plate-type living water unit relates to two circulating systems, namely a hot water circulating system and a living water circulating system. The hot water circulation system is a primary side circulation system, and the primary side circulation system comprises a primary water supply pipeline 11, a primary water return pipeline 12 and a loop formed by a heat source channel of the plate heat exchanger 1. The domestic water circulation system is a secondary side circulation system, and the secondary side circulation system comprises a secondary water return pipeline 21, a secondary water supply pipeline 22, a circulating water pump 23 and a loop formed by a cold source channel of the plate heat exchanger 1. The inlet of the water replenishing pipeline 4 is connected with a soft water system in the station.
Under the control of the electric regulating valve 13, a heat source is fed into the plate heat exchanger 1 through the primary water supply pipeline 11 according to the required flow, and the plate heat exchanger 1 heats heated water entering the plate heat exchanger 1 through the secondary water return pipeline 21 in an indirect heat exchange mode, namely the heated water is heated in the indirect heat exchange mode.
In the secondary water return line 21, heated water first flows through the Y-filter 24 and then enters the plate heat exchanger 1 through the circulating water pump 23, and flows out through the secondary water supply line 22 for the user to use after being heated. The primary heat source exchanges heat in the plate heat exchanger 1 and then flows back to the primary heat supply pipe network through the primary water return pipe 12.
The two circulating systems exchange heat through the plate heat exchanger 1, transfer the heat of the hot water circulating system to the domestic water circulating system, and send hot water to a faucet or a shower through a pipeline.
The water loss of the secondary side of the plate type heat exchanger 1 is supplemented by a water supplementing pipeline 4, and water is automatically supplemented to a secondary side water return pipe network through the water supplementing pipeline 4 for constant pressure, so that the stable pressure and normal operation of the plate type living water unit are ensured.
In order to ensure a constant hot water temperature, the necessary control elements and instrumentation are provided in both circulation systems, namely: namely, an electromagnetic regulating valve 13 is installed in a primary water return pipeline 12 of a heat supply network circulating system, a control device collects the water temperature in a water mixing tank 25 through a temperature sensor, then the water temperature in the water mixing tank 25 is compared with a set value, the electromagnetic regulating valve 13 is controlled according to a comparison result, the control device outputs a signal to the electromagnetic regulating valve 13 to regulate the opening degree of the electromagnetic regulating valve 13, so that the flow of a primary side is changed, the water temperature of secondary side water supply is further controlled, and the purpose of constant temperature water supply is achieved. The plate-type domestic water unit can realize local automatic control and can also realize remote monitoring by upper control equipment.
The user only needs to connect the primary water supply pipeline 11, the primary water return pipeline 12, the secondary water return pipeline 21, the secondary water supply pipeline 22 and the water replenishing pipeline 4 respectively, and then the plate-type domestic water machine set can be put into use by connecting the power supply.
The plate-type living water unit that this embodiment relates to's beneficial effect lies in:
the utility model overcomes but the defect among the prior art provides a plate-type living water unit, and it has solved among the traditional living water system positive displacement heat exchanger's heat exchange efficiency lower, area is big, difficult installation and maintenance, the high scheduling problem of running cost. The problem that the water volume of the plate heat exchanger is small and the water supply temperature is fluctuated frequently is further solved. In addition, the plate-type domestic water machine set solves the problem that hot water cannot be normally supplied during the period of heat source outage, reduces environmental pollution, reduces cost and saves occupied area.
Example 2
The present embodiment is different from embodiment 1 in that: the heat source inlet, the heat source outlet, the cold source outlet and the cold source inlet are arranged on the same side of the plate heat exchanger 1. The primary side pipeline and the secondary side pipeline are arranged on the same side of the plate heat exchanger 1. The primary side lines are a primary water supply line 1 and a primary water return line 12. The secondary side lines include a secondary water return line 21 and a secondary water supply line 22.
The beneficial effect of this embodiment lies in: the structure is compact, the floor area of the whole equipment is saved, and the plate-type domestic water unit with the structure has better installation applicability.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative, not limiting. The utility model discloses in all can change to some extent structure and connected mode etc. of each part all be in the utility model discloses equal transform and the improvement of going on technical scheme's the basis all should not get rid of the utility model discloses an outside the protection scope.
Claims (8)
1. A plate-type domestic water unit comprises a plate-type heat exchanger and is characterized by further comprising a primary water supply pipeline, a primary water return pipeline, a secondary water supply pipeline, a secondary water return pipeline and a water replenishing pipeline, wherein the primary water supply pipeline is communicated with a heat source inlet of the plate-type heat exchanger; the primary water return pipeline is communicated with a heat source outlet of the plate heat exchanger, and an electromagnetic regulating valve is further arranged on the primary water return pipeline; the secondary water supply pipeline is communicated with a cold source outlet of the plate heat exchanger, and a water mixing tank is arranged on the secondary water supply pipeline; the secondary water return pipeline is communicated with a cold source inlet of the plate heat exchanger, the secondary water return pipeline further comprises a main circulating water pump pipeline, and a circulating water pump is arranged on the main circulating water pump pipeline.
2. The plate-type domestic water set according to claim 1, wherein a first heating means is provided in said water mixing tank.
3. The plate-type domestic water set according to claim 1, further comprising a plurality of parameter measuring devices, wherein a plurality of parameter measuring devices are respectively disposed on said primary water supply line, said primary water return line, said secondary water return line and said secondary water supply line, and said parameter measuring devices are local display instruments and/or remote transmission instruments.
4. The plate-type domestic water unit according to claim 3, further comprising a control device, wherein said control device is connected to said circulating water pump and said electric control valve, respectively, and said control device is used for controlling said circulating water pump and said electric control valve; the control device is also connected with the parameter measuring device for collecting the measuring data.
5. The plate-type domestic water unit according to claim 1, further comprising a water replenishing line connected to said secondary water returning line downstream of said primary circulating water pump line, said water replenishing line being provided with a scale removing means.
6. The plate type domestic water unit according to claim 1, wherein the number of the plate type heat exchangers is several, and each plate type heat exchanger is arranged in parallel through a confluence part and a diversion part; the plate-type living water unit further comprises an auxiliary circulating water pump pipeline, and the auxiliary circulating water pump pipeline and the main circulating water pump pipeline are arranged in parallel through a confluence component and a shunting component.
7. The plate-type domestic water unit according to claim 1, wherein the inlet of said primary water supply line, the outlet of said primary water return line, the inlet of said secondary water return line and the outlet of said secondary water supply line are respectively provided with a shut-off valve; and the primary water supply pipeline and the secondary water return pipeline are respectively provided with a Y-shaped filter.
8. The plate-type domestic water unit as claimed in claim 2, wherein a safety valve is further connected to said secondary water supply line between the upstream of said water mixing tank and said cold source outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525979.9U CN210861335U (en) | 2019-09-16 | 2019-09-16 | Plate-type living water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525979.9U CN210861335U (en) | 2019-09-16 | 2019-09-16 | Plate-type living water unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210861335U true CN210861335U (en) | 2020-06-26 |
Family
ID=71290280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921525979.9U Active CN210861335U (en) | 2019-09-16 | 2019-09-16 | Plate-type living water unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210861335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405151A (en) * | 2021-06-04 | 2021-09-17 | 青岛海信日立空调系统有限公司 | Wire controller for floor heating air conditioner |
-
2019
- 2019-09-16 CN CN201921525979.9U patent/CN210861335U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405151A (en) * | 2021-06-04 | 2021-09-17 | 青岛海信日立空调系统有限公司 | Wire controller for floor heating air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101761108A (en) | Non-negative pressure cold and hot water mixed supply system for domestic use | |
| CN210861335U (en) | Plate-type living water unit | |
| CN107152709A (en) | A kind of efficient cascade utilization heating system that water is mixed with once net backwater | |
| CN101126614A (en) | Heat exchanger heat transfer capacity adjusting method | |
| CN104848412B (en) | A kind of method for reducing regional heating heat supply network transmission ＆ distribution energy consumption | |
| RU2003115440A (en) | CENTRALIZED HEAT SUPPLY SYSTEM AND METHOD OF WORK CENTRALIZED HEAT SUPPLY SYSTEM | |
| CN110542270A (en) | Special cooling unit of PCW system | |
| CN207599923U (en) | Based on the concentrated radiation air-conditioner water system for dividing family independent loops control | |
| CN2934974Y (en) | Solar water heater for storied building | |
| CN207317239U (en) | Electric heat accumulation hot-water supply system | |
| CN201448918U (en) | High-intelligent plate heat exchanger unit | |
| CN207214205U (en) | A kind of efficient cascade utilization heating system that water is mixed with once net backwater | |
| CN211575948U (en) | Normal temperature type dye vat waste hot water waste heat recovery system | |
| CN201402012Y (en) | Water circulation system for heat exchange | |
| CN201229028Y (en) | Water stream stabilized water-mixing and heat exchanging temperature adjusting device | |
| CN204902265U (en) | Zero cold water oneself's exchange device and have its self - exchange system of fragmentary cold water | |
| CN208170493U (en) | A kind of municipal administration heating system | |
| CN207365179U (en) | Heating control system and heating system | |
| CN102878610A (en) | Room temperature regulating method for single-pipe heat or cold supply system | |
| CN203240654U (en) | Normal pressure type water-water heat exchanger | |
| CN107084421B (en) | Heating circulation pipeline for heating system | |
| CN210861294U (en) | Miniature heat exchanger unit | |
| CN206269209U (en) | A kind of heating system of intelligent temperature monitoring | |
| CN206176509U (en) | Pressure differential control two stage pump mixes water heating system | |
| CN214038616U (en) | Cogeneration heat exchanger unit and heating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |