CN209689091U - A kind of mixed water control system of Novel middle-temperature water - Google Patents
A kind of mixed water control system of Novel middle-temperature water Download PDFInfo
- Publication number
- CN209689091U CN209689091U CN201920314916.2U CN201920314916U CN209689091U CN 209689091 U CN209689091 U CN 209689091U CN 201920314916 U CN201920314916 U CN 201920314916U CN 209689091 U CN209689091 U CN 209689091U
- Authority
- CN
- China
- Prior art keywords
- water
- temperature
- coil pipe
- valve
- dry coil
- 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
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
In order to solve the problems, such as since heat exchange efficiency is greatly reduced plate heat exchanger in use for some time, the utility model proposes a kind of Novel middle-temperature water to mix water control system, comprising: which chilled water is responsible for feed water inlet 1, chilled water is responsible for water return outlet 2, check-valves 4, power device, dry coil pipe valve group 15, chilled water supervisor feed water inlet 1 is for exporting water at low temperature, chilled water supervisor feed water inlet 1 water at low temperature and by dry coil pipe valve group 15 formed high-temperature water mix after check-valves 4 after formation in warm water, middle warm water is driven into the water inlet of the dry coil pipe in dry coil pipe valve group 15 by power device, high-temperature water is formed after dry coil pipe is handled, high-temperature water a part is responsible for water return outlet 2 back to chilled water, a part and the high-temperature water of chilled water supervisor feed water inlet 1 carry out being mixed to form middle warm water, it is continuing to supply the water inlet of dry coil pipe.
Description
Technical field
The utility model relates to arrive air conditioner ventilation technical field, more specifically, being related to a kind of mixed water of Novel middle-temperature water
Control system.
Background technique
With the rapid development of our country's economy, it is built using the business premises that central air conditioner system adjusts room temperature continuous
Increase, is even more especially to develop rapidly in China southeastern coast prosperity city.Conventional central air-conditioning system is inhaled with refrigerant phase transformation, is put
Heat is characterized, and is mainly made of the part such as water cooler, water circulating pump, heat exchanger, cooling tower and pipeline.Under normal conditions, from
Energy conservation and environmental protection angle is set out, and heat exchanger can use heat exchange efficiency very high plate heat exchanger, but plate heat exchanger is using
In the process, heat exchange efficiency will receive the influence of impurity or dirt in whole system, in use for some time, board-like to change
The heat exchange efficiency of hot device is because the influence of impurity or dirt can reduce by 20% or more, in this way since the heat exchange of plate heat exchanger is imitated
Rate substantially reduces, by that energy consumption will be made to increase.
Utility model content
In view of this, in order to solve due to plate heat exchanger asking of being greatly reduced of heat exchange efficiency in use for some time
Topic, the utility model proposes a kind of Novel middle-temperature water to mix water control system, no longer uses plate heat exchanger, but directlys adopt
Water at low temperature goes mixing by the high-temperature water of dry coil pipe processing, so that water temperature is reduced to the middle warm water of threshold range, and by the medium temperature
Water is conveyed to dry coil pipe by power device, realizes circulation, so that room temperature reduces.It, can during middle warm water mixes water
With the ratio of high-temperature water and water at low temperature during the mixed water of adjusting, to reach the water temperature of middle warm water.
A kind of mixed water control system of Novel middle-temperature water comprising: chilled water is responsible for feed water inlet 1, chilled water is responsible for water return outlet
2, check-valves 4, power device, dry coil pipe valve group 15, chilled water supervisor feed water inlet 1 are supplied for exporting water at low temperature, chilled water supervisor
The water at low temperature at the mouth of a river 1 and by dry coil pipe valve group 15 formed high-temperature water mix after check-valves 4 after formation in warm water, medium temperature
Water is driven into the water inlet of the dry coil pipe in dry coil pipe valve group 15 by power device, forms high temperature after dry coil pipe is handled
Water, high-temperature water a part are responsible for water return outlet 2 back to chilled water, and a part and the high-temperature water of chilled water supervisor feed water inlet 1 carry out
It is mixed to form middle warm water, is continuing to supply the water inlet of dry coil pipe.
Further, power device includes two the first water routes and the second water route in parallel, and the first water route and the second water
The structure on road is identical.Wherein the first water route is equipped with the first water pump 141, and the inlet and outlet of the first water pump 141 is led to respectively
It crosses after concentric reducer 12 is converted and is connected with connecting hose 13, be then attached on the pipeline in the first water route, in the import of the first water pump 141
Equipped with blowdown discharging valve, use when for cleaning pipeline or draining；On the water pipe of the inlet side of the first water pump 141 successively
Equipped with pressure gauge 7, the second Y-filter 52, pressure gauge 7 and butterfly valve 11, pressure gauge 7 is used to show the import of the first water pump 141
The pressure of each point on the pipeline at end, the second Y-filter 52 are used to prevent dirt impurity from entering various dirt contaminant filters
To the first water pump 141, the standard-sized sheet under normal circumstances of butterfly valve 11 only can just be closed in maintenance；The outlet one of first water pump 141
Pressure gauge 7, second check-valve 42 and butterfly valve 11 are successively arranged on the pipeline of side, the effect of pressure gauge 7 is for showing the first water
Pressure on the pipeline of the outlet side of pump 141, second check-valve 42 are merely able to middle warm water from the first water pump 141 toward dry pan
The direction of pipe is flowed, and without occurring backflow phenomenon, the standard-sized sheet under normal circumstances of butterfly valve 11 only just be will use in maintenance.Just
The first water route is used only in normal situation, after the first water pump 141 in the first water route breaks down, by closing the first water route two
The butterfly valve 11 at end, and the butterfly valve 11 at the second water route both ends is opened, so that the second water route is started to work.
Further, the place of the outlet of power device is provided with thermometer 10 and pressure gauge 7, for showing that power fills
Set the temperature and pressure of near exit.
Further, second temperature sensor 82 and the are equipped on the pipeline between the outlet of power device and dry coil pipe
Two pressure sensors 92, and second temperature sensor 82 and second pressure sensor 92 and PLC are electrically connected, it is dynamic for detecting
The temperature and pressure on pipeline between the outlet and dry coil pipe of power device, and send lid temperature and pressure signal to PLC.
Further, there is N parallel branch on the pipeline of the outlet of power device, dry coil pipe can be connected respectively to
The water inlet of valve group 15.
Further, after the heat exchange processing by dry coil pipe valve group 15, the water outlet of dry coil pipe valve group 15 is using parallel connection
Mode is connected on same pipeline, and a part of high-temperature water in the pipeline is flowed into chilled water supervisor's water return outlet 2, and there are also one
Divide by being flowed into power device after mixing with the water at low temperature of chilled water supervisor feed water inlet 1 after first check-valve 41.
Further, it when middle stream of warm water enters to the water inlet of dry coil pipe valve group 15, needs using the first Y shape filter,
It can make medium temperature water filter impurity and dirt before entering dry coil pipe, will not influence the heat exchange efficiency of dry coil pipe.
Further, it is equipped with electric two-way valve 3 in the water outlet of dry coil pipe valve group 15, the both ends of electric two-way valve 3 are distinguished
Equipped with a butterfly valve 11, and in the upper butterfly valve 11 in parallel of bypass, the butterfly valve 11 in bypass is closed under normal conditions, electronic two-way
The butterfly valve at the both ends of valve 3 is opened；After electric two-way valve 3 breaks down, the butterfly valve 11 at electric two-way valve both ends is closed, and is opened
Butterfly valve 11 in bypass, the high-temperature water that dry coil pipe valve group 15 is come out smoothly flow out, while carrying out to electric two-way valve 3
Maintenance.
Further, pressure gauge 7, thermometer 10, the first temperature are equipped on the pipeline of the water outlet of dry coil pipe valve group 15
Sensor 81 and second temperature sensor 82, and the first temperature sensor 81 and second temperature sensor 82 and PLC are electrically connected；
Pressure gauge 7 and thermometer 10 can show the temperature and pressure of the high-temperature water come out from dry coil pipe valve group 15, the first temperature sensing
Device 81 and second temperature sensor 82 can detecte the temperature and pressure of the high-temperature water come out from dry coil pipe valve group 15, and by data
Send PLC to.
Further, electric two-way valve is equipped with from the pipeline that dry coil pipe valve group 15 is flowed into chilled water supervisor's water return outlet 2
3, the both ends of electric two-way valve 3 are respectively equipped with a butterfly valve 11, and in the upper butterfly valve 11 in parallel of bypass, bypass under normal conditions
On butterfly valve 11 close, the butterfly valve at the both ends of electric two-way valve 3 is opened；After electric two-way valve 3 breaks down, electronic two are closed
The butterfly valve 11 at port valve both ends, and the butterfly valve 11 in bypass is opened, the high-temperature water that dry coil pipe valve group 15 is come out smoothly flows
Enter to chilled water and be responsible for water return outlet 2, while electric two-way valve 3 is overhauled.
Further, the quantity of the dry coil pipe valve group 15 is X, the natural number that X is >=1, and each dry pan pipe valve
It uses and is connected in parallel between group 15.Further, Y dry coil pipe in parallel is forgiven in each dry coil pipe valve group 15, Y is
>=1 natural number.
The working principle that the middle warm water of the utility model mixes water control system is as follows: water at low temperature is responsible for feed water inlet from chilled water
1 enters power device, and the high-temperature water come out from dry coil pipe valve group 15 enters power device after passing through first check-valve 41,
So that the water for entering power device becomes middle warm water, middle warm water is realized air-cooled after pipeline enters dry coil pipe valve group 15
Effect, while becoming high-temperature water after the water outlet of dry coil pipe valve group 15, high-temperature water is continued cycling through through piping rear portion
Power device is entered, a part flows directly out system and enters chilled water supervisor's water return outlet 2.
Detailed description of the invention
Fig. 1 is that the Novel middle-temperature water of the utility model mixes the schematic diagram of water control system.
Fig. 2 is that the signal that room temperature reduces is realized in the dry coil pipe heat exchange of the Novel middle-temperature turbid water system of the utility model
Figure.
Fig. 3 is the powerplant configuration schematic diagram of a preparation and a use.
Main element symbol description
The following detailed description will be further explained with reference to the above drawings the utility model.
Specific embodiment
Case 1 is embodied:
As shown in Figure 1, mixing the schematic diagram of water control system for the Novel middle-temperature water of the utility model；As shown in Fig. 2, being
The schematic diagram that room temperature reduces is realized in the dry coil pipe heat exchange of the Novel middle-temperature turbid water system of the utility model；As shown in figure 3, being
The powerplant configuration schematic diagram of a preparation and a use.
A kind of mixed water control system of Novel middle-temperature water comprising: chilled water is responsible for feed water inlet 1, chilled water is responsible for water return outlet
2, check-valves 4, power device, dry coil pipe valve group 15, chilled water supervisor feed water inlet 1 are supplied for exporting water at low temperature, chilled water supervisor
The water at low temperature at the mouth of a river 1 and by dry coil pipe valve group 15 formed high-temperature water mix after check-valves 4 after formation in warm water, medium temperature
Water is driven into the water inlet of the dry coil pipe in dry coil pipe valve group 15 by power device, forms high temperature after dry coil pipe is handled
Water, high-temperature water a part are responsible for water return outlet 2 back to chilled water, and a part and the high-temperature water of chilled water supervisor feed water inlet 1 carry out
It is mixed to form middle warm water, is continuing to supply the water inlet of dry coil pipe.
Power device includes two the first water routes and the second water route in parallel, and the structure in the first water route and the second water route is complete
It is exactly the same.Wherein the first water route is equipped with the first water pump 141, and the inlet and outlet of the first water pump 141 passes through concentric reducer 12 respectively
It is connected after conversion with connecting hose 13, is then attached on the pipeline in the first water route, is put in the import of the first water pump 141 equipped with blowdown
Water valve, use when for cleaning pipeline or draining；Pressure gauge is successively arranged on the water pipe of the inlet side of the first water pump 141
7, the second Y-filter 52, pressure gauge 7 and butterfly valve 11, pressure gauge 7 are used to show the pipeline of the input end of the first water pump 141
The pressure of each point, the second Y-filter 52 are used to prevent dirt impurity from entering the first water pump various dirt contaminant filters
141, the standard-sized sheet under normal circumstances of butterfly valve 11 only can just be closed in maintenance；On the pipeline of the outlet side of first water pump 141
It is successively arranged pressure gauge 7, second check-valve 42 and butterfly valve 11, the effect of pressure gauge 7 is the outlet for showing the first water pump 141
Pressure on the pipeline of side, second check-valve 42 make middle warm water be merely able to the direction stream from the first water pump 141 toward dry coil pipe
Dynamic, without occurring backflow phenomenon, the standard-sized sheet under normal circumstances of butterfly valve 11 only just be will use in maintenance.Under normal circumstances only
Using the first water route, after the first water pump 141 in the first water route breaks down, by the butterfly valve for closing the first water route both ends
11, and the butterfly valve 11 at the second water route both ends is opened, so that the second water route is started to work.
The place of the outlet of power device is provided with thermometer 10 and pressure gauge 7, for showing that power device outlet is attached
Close temperature and pressure.
It is equipped with second temperature sensor 82 on pipeline between the outlet and dry coil pipe of power device and second pressure passes
Sensor 92, and second temperature sensor 82 and second pressure sensor 92 and PLC are electrically connected, for detecting going out for power device
The temperature and pressure on pipeline between mouth and dry coil pipe, and send lid temperature and pressure signal to PLC.
There is 1 branch on the pipeline of the outlet of power device, is connected to the water inlet of dry coil pipe valve group 15.By dry pan
After the heat exchange processing of pipe valve group 15, the water outlet of dry coil pipe valve group 15 is connected on pipeline, a part of high-temperature water in the pipeline
It is flowed into chilled water supervisor's water return outlet 2, some is by being responsible for the low of feed water inlet 1 with chilled water after first check-valve 41
Power device is flowed into after warm water mixing.
When middle stream of warm water enters to the water inlet of dry coil pipe valve group 15, need to make using the first Y-filter
Middle warm water filters impurity and dirt before entering dry coil pipe, will not influence the heat exchange efficiency of dry coil pipe.
It is equipped with electric two-way valve 3 in the water outlet of dry coil pipe valve group 15, the both ends of electric two-way valve 3 are respectively equipped with a butterfly
Valve 11, and in the upper butterfly valve 11 in parallel of bypass, the butterfly valve 11 in bypass is closed under normal conditions, the both ends of electric two-way valve 3
Butterfly valve open；After electric two-way valve 3 breaks down, the butterfly valve 11 at electric two-way valve both ends is closed, and is opened in bypass
Butterfly valve 11, the high-temperature water that dry coil pipe valve group 15 is come out smoothly flows out, while overhauling to electric two-way valve 3.
Pressure gauge 7, thermometer 10,81 and of the first temperature sensor are equipped on the pipeline of the water outlet of dry coil pipe valve group 15
Second temperature sensor 82, and the first temperature sensor 81 and second temperature sensor 82 and PLC are electrically connected；7 He of pressure gauge
Thermometer 10 can show the temperature and pressure of the high-temperature water come out from dry coil pipe valve group 15, the first temperature sensor 81 and second
Temperature sensor 82 can detecte the temperature and pressure of the high-temperature water come out from dry coil pipe valve group 15, and transfer data to PLC.
The pipeline for being flowed into chilled water supervisor's water return outlet 2 from dry coil pipe valve group 15 is equipped with electric two-way valve 3, electronic two-way
The both ends of valve 3 are respectively equipped with a butterfly valve 11, and in the upper butterfly valve 11 in parallel of bypass, the butterfly valve 11 bypassed under normal conditions
It closes, the butterfly valve at the both ends of electric two-way valve 3 is opened；After electric two-way valve 3 breaks down, electric two-way valve both ends are closed
Butterfly valve 11, and the butterfly valve 11 in bypass is opened, the high-temperature water that dry coil pipe valve group 15 is come out smoothly is flowed into chilled water
It is responsible for water return outlet 2, while electric two-way valve 3 is overhauled.
The quantity of the dry coil pipe valve group 15 is 1, forgives two dry coil pipes in parallel in dry coil pipe valve group 15.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of Novel middle-temperature water mixes water control system comprising: chilled water is responsible for feed water inlet (1), chilled water is responsible for water return outlet
(2), check-valves (4), power device, dry coil pipe valve group (15), chilled water supervisor feed water inlet (1) are special for exporting water at low temperature
Sign is: chilled water is responsible for the water at low temperature of feed water inlet (1) and passes through check-valves by the high-temperature water that dry coil pipe valve group (15) are formed
(4) warm water in being formed after mixing afterwards, middle warm water are driven into the water inlet of the dry coil pipe in dry coil pipe valve group (15) by power device
Mouthful, form high-temperature water after dry coil pipe is handled, high-temperature water a part back to chilled water supervisor water return outlet (2), a part with
The high-temperature water of chilled water supervisor feed water inlet (1) carries out being mixed to form middle warm water, is continuing to supply the water inlet of dry coil pipe.
2. Novel middle-temperature water as described in claim 1 mixes water control system, it is characterised in that: power device includes two parallel connections
The first water route and the second water route, and the first water route is identical with the structure in the second water route；Wherein the first water route is equipped with the
One water pump (141), the inlet and outlet of the first water pump (141) pass through respectively concentric reducer (12) conversion after with connecting hose (13) phase
Even, it is then attached on the pipeline in the first water route, is equipped with blowdown discharging valve in the import of the first water pump (141), is used for cleaning pipe
It is used when road or draining；Pressure gauge (7), the second Y shape mistake are successively arranged on the water pipe of the inlet side of the first water pump (141)
Filter (52), pressure gauge (7) and butterfly valve (11), pressure gauge (7) are used to show each on the pipeline of the input end of the first water pump (141)
The pressure of a point, the second Y-filter (52) are used to prevent dirt impurity from entering the first water pump various dirt contaminant filters
(141), butterfly valve (11) standard-sized sheet under normal circumstances only can just be closed in maintenance；The outlet side of first water pump (141)
It is successively arranged pressure gauge (7), second check-valve (42) and butterfly valve (11) on pipeline, the effect of pressure gauge (7) is for showing the
Pressure on the pipeline of the outlet side of one water pump (141), second check-valve (42) are merely able to middle warm water from the first water pump
(141) it is flowed toward the direction of dry coil pipe, without occurring backflow phenomenon, butterfly valve (11) standard-sized sheet under normal circumstances is only being overhauled
When just will use；The first water route is used only under normal circumstances, after the first water pump (141) in the first water route breaks down, leads to
The butterfly valve (11) for closing the first water route both ends is crossed, and opens the butterfly valve (11) at the second water route both ends, so that the second water route starts work
Make.
3. Novel middle-temperature water as described in claim 1 mixes water control system, it is characterised in that: on the ground of the outlet of power device
Side is provided with thermometer (10) and pressure gauge (7), for showing the temperature and pressure of power device near exit.
4. Novel middle-temperature water as described in claim 1 mixes water control system, it is characterised in that: in the outlet of power device and dry
Pipeline between coil pipe is equipped with second temperature sensor (82) and second pressure sensor (92), and second temperature sensor
(82) it is electrically connected with second pressure sensor (92) with PLC, for detecting the pipe between the outlet of power device and dry coil pipe
Temperature and pressure on road, and send lid temperature and pressure signal to PLC.
5. Novel middle-temperature water as described in claim 1 mixes water control system, it is characterised in that: the pipe in the outlet of power device
There is N parallel branch on road, the water inlet of dry coil pipe valve group (15) can be connected respectively to.
6. Novel middle-temperature water as described in claim 1 mixes water control system, it is characterised in that: by dry coil pipe valve group (15)
After heat exchange processing, the water outlet of dry coil pipe valve group (15) is connected on same pipeline by the way of in parallel, in the pipeline
A part of high-temperature water is flowed into chilled water supervisor water return outlet (2), after some passes through first check-valve (41), with chilled water
Power device is flowed into after the water at low temperature mixing of supervisor feed water inlet (1).
7. Novel middle-temperature water as described in claim 1 mixes water control system, it is characterised in that: enter in middle stream of warm water to dry coil pipe
When the water inlet of valve group (15), need using the first Y-filter.
8. Novel middle-temperature water as described in claim 1 mixes water control system, it is characterised in that: in going out for dry coil pipe valve group (15)
The mouth of a river is equipped with electric two-way valve (3), and the both ends of electric two-way valve (3) are respectively equipped with a butterfly valve (11), and in the upper parallel connection of bypass
One butterfly valve (11), the butterfly valve (11) in bypass is closed under normal conditions, and the butterfly valve at the both ends of electric two-way valve (3) is opened；When
After electric two-way valve (3) breaks down, the butterfly valve (11) at electric two-way valve both ends is closed, and opens the butterfly valve (11) in bypass,
The high-temperature water that dry coil pipe valve group (15) are come out smoothly flows out, while overhauling to electric two-way valve (3).
9. Novel middle-temperature water as described in claim 1 mixes water control system, it is characterised in that: in going out for dry coil pipe valve group (15)
The pipeline at the mouth of a river is equipped with pressure gauge (7), thermometer (10), the first temperature sensor (81) and second temperature sensor (82),
And first temperature sensor (81) and second temperature sensor (82) and PLC be electrically connected.
10. Novel middle-temperature water as described in claim 1 mixes water control system, it is characterised in that: flowed from dry coil pipe valve group (15)
The pipeline entered to chilled water supervisor water return outlet (2) is equipped with electric two-way valve (3), and the both ends of electric two-way valve (3) are respectively equipped with
One butterfly valve (11), and in the upper butterfly valve (11) in parallel of bypass, the butterfly valve (11) in bypass is closed under normal conditions, and electronic two
The butterfly valve at the both ends of port valve (3) is opened；After electric two-way valve (3) breaks down, the butterfly valve at electric two-way valve both ends is closed
(11), and the butterfly valve (11) in bypass is opened, the high-temperature water that dry coil pipe valve group (15) are come out smoothly is flowed into freezing
Water is responsible for water return outlet (2), while overhauling to electric two-way valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920314916.2U CN209689091U (en) | 2019-03-13 | 2019-03-13 | A kind of mixed water control system of Novel middle-temperature water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920314916.2U CN209689091U (en) | 2019-03-13 | 2019-03-13 | A kind of mixed water control system of Novel middle-temperature water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209689091U true CN209689091U (en) | 2019-11-26 |
Family
ID=68604594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920314916.2U Active CN209689091U (en) | 2019-03-13 | 2019-03-13 | A kind of mixed water control system of Novel middle-temperature water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209689091U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121195A (en) * | 2019-12-17 | 2020-05-08 | 东莞网田机电工程有限公司 | Water cooling system |
| CN114183859A (en) * | 2021-12-10 | 2022-03-15 | 珠海格力电器股份有限公司 | Ice storage system, control method and air conditioner |
-
2019
- 2019-03-13 CN CN201920314916.2U patent/CN209689091U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121195A (en) * | 2019-12-17 | 2020-05-08 | 东莞网田机电工程有限公司 | Water cooling system |
| CN114183859A (en) * | 2021-12-10 | 2022-03-15 | 珠海格力电器股份有限公司 | Ice storage system, control method and air conditioner |
| CN114183859B (en) * | 2021-12-10 | 2022-12-13 | 珠海格力电器股份有限公司 | Ice storage system, control method and air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209689091U (en) | A kind of mixed water control system of Novel middle-temperature water | |
| CN204438368U (en) | A kind of water source heat pump air conditioning system | |
| CN105066544B (en) | A kind of small temperature becomes combined type cooling circulating water system | |
| CN206959658U (en) | Fully-automatic intelligent plate-type heat-exchange unit | |
| CN106524591A (en) | Handpiece phase change heat storage defrosting type low-temperature air source heat pump unit | |
| CN101392958A (en) | Air source heat pump boiler | |
| CN107062701A (en) | A kind of multi-heat source ship cold and hot water supply system | |
| CN204553312U (en) | A kind of multistage waste heat recycling system of centrifugal air compressor | |
| CN209165532U (en) | One source two of one kind is for Hydraulic Power System | |
| CN207945990U (en) | A kind of indirect air cooling and wet type cooling unit cold end combined operation system | |
| CN100339273C (en) | Sea ship air-conditioning system using subsurface seawater cool energy | |
| CN212132780U (en) | Battery workshop steam hot-water system management structure | |
| CN103225930A (en) | Total heat recovery multi-cycle multipurpose air conditioning unit | |
| CN208170493U (en) | A kind of municipal administration heating system | |
| CN208282222U (en) | A kind of heat supply inlet device of heating user terminal installation injector | |
| CN208011946U (en) | A kind of novel hybrid air-treatment unit of bypass energy-saving rectangular double-layer list Winchester disk pipe | |
| CN206818421U (en) | Using the fuel oil temperature control system of magnetic valve | |
| CN208950653U (en) | Air cooler booster pump bypath system | |
| CN208983524U (en) | A kind of office building intelligent power saving central air conditioner system | |
| CN213657140U (en) | Hydrophily fan heater structure with anti-freezing function | |
| CN103245041B (en) | Total heat recovery water circulation Central air-conditioning unit | |
| CN110925922A (en) | Compound sea water source heat pump system | |
| CN209978241U (en) | Novel air conditioner water control system | |
| CN204880306U (en) | Crystal pulling workshop circulating water system | |
| CN201314698Y (en) | Air source heat pump boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 703, 705 and 706, building 4, No. 666, Fengting Avenue, Weiting Town, Suzhou Industrial Park, 215000, Jiangsu Province Patentee after: Elko Construction Engineering (Jiangsu) Co.,Ltd. Address before: Room 703, 705 and 706, building 4, No. 666, Fengting Avenue, Suzhou Industrial Park, Jiangsu Province, 215000 Patentee before: SUZHOU ELCO M & E ENGINEERING Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 703, 705, 706, building 4, No. 666, Fengting Avenue, Weiting Town, Suzhou Industrial Park, Jiangsu Province, 215000 Patentee after: Elco Engineering Technology Co.,Ltd. Address before: Room 703, 705 and 706, building 4, No. 666, Fengting Avenue, Weiting Town, Suzhou Industrial Park, 215000, Jiangsu Province Patentee before: Elko Construction Engineering (Jiangsu) Co.,Ltd. |