CN115218265A - Sewage source heat pump system for data acquisition - Google Patents
Sewage source heat pump system for data acquisition Download PDFInfo
- Publication number
- CN115218265A CN115218265A CN202210854794.2A CN202210854794A CN115218265A CN 115218265 A CN115218265 A CN 115218265A CN 202210854794 A CN202210854794 A CN 202210854794A CN 115218265 A CN115218265 A CN 115218265A
- Authority
- CN
- China
- Prior art keywords
- heat pump
- data acquisition
- sewage
- filter screen
- sewage treatment
- 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.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000002918 waste heat Substances 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 18
- 230000008054 signal transmission Effects 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 10
- 239000004745 nonwoven fabric Substances 0.000 claims description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- -1 graphite alkene Chemical class 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/02—Domestic hot-water supply systems using heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
- F24D19/1054—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Abstract
The invention discloses a sewage source heat pump system for data acquisition, which comprises a sewage treatment box, a heat pump unit and a control system, wherein a sewage inlet pipe is arranged at the upper end part of the sewage treatment box, a filter screen component is arranged in the inner cavity of the sewage treatment box, the heat pump unit is arranged at the outer side of the sewage treatment box, the water outlet end of the sewage treatment box is connected with the heat pump unit through a pipeline, the heat pump unit is connected with a waste heat recoverer through a drainage pipeline, the waste heat recoverer is connected with a water outlet pipe, and the control system comprises a central processing unit, a data acquisition module, an alarm module, a signal transmission module and a background monitoring terminal.
Description
Technical Field
The invention relates to the technical field of heat pump devices, in particular to a sewage source heat pump system for data acquisition.
Background
At present, most of heat sources adopted by hot water used by people are steam, an air source heat pump and natural gas, and the cost of operation is high, so people pay more and more attention to the utilization of renewable resources and waste heat. In life, a large amount of waste heat is wasted, for example, hot water discharged from a bathroom is used, and waste water generated during bathing generally has a temperature of about 35 ℃, and contains a large amount of heat energy.
The existing sewage source heat pump system has single function and low intelligence degree, and cannot realize real-time remote monitoring, so improvement is needed.
Disclosure of Invention
The invention aims to provide a sewage source heat pump system for data acquisition, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a sewage source heat pump system who carries out data acquisition, includes sewage treatment case, heat pump set and control system, sewage treatment case upper end installation sewage advances the pipe, sewage treatment incasement chamber installation filter screen subassembly, sewage treatment case outside installation heat pump set, the water outlet end of sewage treatment case passes through pipe connection heat pump set, heat pump set passes through drainage pipe and connects waste heat recovery device, waste heat recovery device connects the outlet pipe, control system includes central processing unit, data acquisition module, alarm module, signal transmission module and backstage monitor terminal, the sensor group is connected to the data acquisition module, the data acquisition module passes through data transmission module and connects central processing unit, alarm module connects central processing unit, central processing unit passes through signal transmission module and connects backstage monitor terminal.
Preferably, the application provides a sewage source heat pump system who carries out data acquisition, wherein, the sensor group includes flow sensor, play water temperature sensor and quality of water sensor, flow sensor, play water temperature sensor and quality of water sensor connect the data acquisition module respectively.
Preferably, the sewage source heat pump system who carries out data acquisition that this application provided, wherein, waste heat recoverer comprises casing, heat transfer pipeline, it is provided with hot-air inlet, cold air export, cold water import and hot water export to run through on the outer wall of casing, heat transfer pipeline connects between hot-air inlet and cold air export.
Preferably, the sewage source heat pump system for data acquisition provided by the present application, wherein the heat exchange pipeline adopts an S-shaped structure.
Preferably, the application provides a carry out data acquisition's sewage source heat pump system, wherein, the filter screen subassembly includes filter frame, first active carbon filter screen, non-woven fabrics, graphite alkene filter screen and second active carbon filter screen are fixed in proper order in the filter frame.
Preferably, the sewage source heat pump system for data acquisition is provided in the present application, wherein a regulating valve is installed on the water outlet pipe.
Preferably, the sewage source heat pump system for data acquisition provided by the application, wherein the signal transmission module is connected with the 5G module or the WIFI module.
Preferably, the application provides a sewage source heat pump system for data acquisition, wherein the use method thereof comprises the following steps:
A. firstly, a flow sensor collects flow signals of sewage entering a sewage treatment tank;
B. sewage enters a sewage treatment tank and is filtered by a filter screen assembly, and filtered water is pumped into a waste heat recoverer by a heat pump unit;
C. the water quality sensor collects the filtered water quality signal and transmits the signal to the central processing unit;
D. and then the heat is mixed and heated with cold water entering from a cold water inlet through a heat exchange pipeline, the heated hot water is discharged through a water outlet pipe, and an outlet water temperature sensor acquires the outlet water temperature in real time and transmits the outlet water temperature to a background monitoring terminal in real time.
Compared with the prior art, the invention has the beneficial effects that: the sewage source waste heat recovery system is novel in structural design, can realize impurity removal, filtration and waste heat recovery treatment of a sewage source, realizes recovery and reuse of heat of the sewage source, and can simultaneously acquire and monitor system operation data in real time to ensure normal operation of the system.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of the control scheme of the present invention;
FIG. 3 is a schematic view of a waste heat recovery device according to the present invention;
FIG. 4 is a schematic view of a filter screen assembly according to the present invention;
in the figure: the system comprises a sewage treatment tank 1, a heat pump unit 2, a sewage inlet pipe 3, a filter screen assembly 4, a pipeline 5, a drainage pipeline 6, a waste heat recoverer 7, a water outlet pipe 8, a filter frame 9, a first activated carbon filter screen 10, non-woven fabrics 11, a graphene filter screen 12, a second activated carbon filter screen 13, a shell 14, a heat exchange pipeline 15, a hot air inlet 16, a cold air outlet 17, a cold water inlet 18, a hot water outlet 19, a control system 20, a central processing unit 21, a data acquisition module 22, an alarm module 23, a signal transmission module 24, a background monitoring terminal 25, a data transmission module 26, a flow sensor 27, an outlet water temperature sensor 28, a water quality sensor 29 and an adjusting valve 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a carry out sewage source heat pump system of data acquisition, includes sewage treatment case 1, heat pump set 2 and control system 20, sewage treatment case 1 upper end installation sewage advances pipe 3, 1 inner chamber installation filter screen subassembly 4 of sewage treatment case, sewage treatment case 1 outside installation heat pump set 2, the play water end of sewage treatment case 1 passes through pipeline 5 and connects heat pump set 2, heat pump set 2 passes through drainage pipe 6 and connects waste heat recovery 7, waste heat recovery 7 connects outlet pipe 8, installs adjusting valve 30 on the outlet pipe 8, and control system 20 includes central processing unit 21, data acquisition module 22, alarm module 23, signal transmission module 24 and backstage monitor terminal 25, data acquisition module 22 connects the sensor group, data acquisition module 22 passes through data transmission module 26 and connects central processing unit 21, alarm module 23 connects central processing unit 21, central processing unit 21 passes through signal transmission module 24 and connects backstage monitor terminal 25, and signal transmission module connects 5G module or WIFI module.
In the invention, the sensor group comprises a flow sensor 27, an effluent temperature sensor 28 and a water quality sensor 29, wherein the flow sensor 27, the effluent temperature sensor 28 and the water quality sensor 29 are respectively connected with the data acquisition module 22.
In the invention, the waste heat recoverer 7 is composed of a shell 14 and a heat exchange pipeline 15, wherein a hot air inlet 16, a cold air outlet 17, a cold water inlet 18 and a hot water outlet 19 are arranged on the outer wall of the shell 14 in a penetrating manner, the heat exchange pipeline 15 is connected between the hot air inlet 16 and the cold air outlet 17, and the heat exchange pipeline 15 adopts an S-shaped structure.
In the invention, the filter screen assembly 4 comprises a filter frame 9, a first activated carbon filter screen 10, a non-woven fabric 11, a graphene filter screen 12 and a second activated carbon filter screen 13, wherein the first activated carbon filter screen 10, the non-woven fabric 11, the graphene filter screen 12 and the second activated carbon filter screen 13 are sequentially fixed in the filter frame 9. This filter screen subassembly can filter the large granule impurity in the sewage, improves subsequent processing effect.
The working principle is as follows: the using method of the invention comprises the following steps:
A. firstly, a flow sensor acquires a flow signal of sewage entering a sewage treatment tank;
B. sewage enters a sewage treatment tank and is filtered by a filter screen assembly, and the filtered water is pumped into a waste heat recoverer by a heat pump unit;
C. the water quality sensor collects the filtered water quality signal and transmits the signal to the central processing unit;
D. and then the heat is mixed and heated with cold water entering from a cold water inlet through a heat exchange pipeline, the heated hot water is discharged through a water outlet pipe, and an outlet water temperature sensor acquires the outlet water temperature in real time and transmits the outlet water temperature to a background monitoring terminal in real time.
In conclusion, the sewage source waste heat recovery device is novel in structural design, can realize impurity removal, filtration and waste heat recovery treatment on a sewage source, realizes recycling of heat of the sewage source, and can simultaneously acquire and monitor system operation data in real time to ensure normal operation of the system.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a sewage source heat pump system who carries out data acquisition, includes sewage treatment case (1) and heat pump set (2) and control system (20), its characterized in that: the sewage treatment device is characterized in that a sewage inlet pipe (3) is installed at the upper end of a sewage treatment box (1), a filter screen assembly (4) is installed in an inner cavity of the sewage treatment box (1), a heat pump unit (2) is installed on the outer side of the sewage treatment box (1), a water outlet end of the sewage treatment box (1) is connected with the heat pump unit (2) through a pipeline (5), the heat pump unit (2) is connected with a waste heat recoverer (7) through a drainage pipeline (6), the waste heat recoverer (7) is connected with a water outlet pipe (8), a control system (20) comprises a central processing unit (21), a data acquisition module (22), an alarm module (23), a signal transmission module (24) and a background monitoring terminal (25), the data acquisition module (22) is connected with a sensor group, the data acquisition module (22) is connected with the central processing unit (21) through the data transmission module (26), the alarm module (23) is connected with the central processing unit (21), and the central processing unit (21) is connected with the background monitoring terminal (25) through the signal transmission module (24).
2. The sewage source heat pump system for data acquisition according to claim 1, wherein: the sensor group comprises a flow sensor (27), an effluent water temperature sensor (28) and a water quality sensor (29), wherein the flow sensor (27), the effluent water temperature sensor (28) and the water quality sensor (29) are respectively connected with a data acquisition module (22).
3. The sewage source heat pump system for data acquisition according to claim 1, wherein: the waste heat recoverer (7) is composed of a shell (14) and a heat exchange pipeline (15), a hot air inlet (16), a cold air outlet (17), a cold water inlet (18) and a hot water outlet (19) penetrate through the outer wall of the shell (14), and the heat exchange pipeline (15) is connected between the hot air inlet (16) and the cold air outlet (17).
4. The sewage source heat pump system for data acquisition according to claim 1, wherein: the heat exchange pipeline (15) adopts an S-shaped structure.
5. The sewage source heat pump system for data acquisition according to claim 1, wherein: the filter screen assembly (4) comprises a filter frame (9), a first activated carbon filter screen (10), a non-woven fabric (11), a graphene filter screen (12) and a second activated carbon filter screen (13), wherein the first activated carbon filter screen (10), the non-woven fabric (11), the graphene filter screen (12) and the second activated carbon filter screen (13) are sequentially fixed in the filter frame (9).
6. The sewage source heat pump system for data acquisition according to claim 1, wherein: and the water outlet pipe (8) is provided with a regulating valve (30).
7. The sewage source heat pump system for data acquisition according to claim 1, wherein: the signal transmission module is connected with the 5G module or the WIFI module.
8. The use method of the sewage source heat pump system for data acquisition, which is used for realizing the data acquisition of claim 1, is characterized in that: the using method comprises the following steps:
A. firstly, a flow sensor collects flow signals of sewage entering a sewage treatment tank;
B. sewage enters a sewage treatment tank and is filtered by a filter screen assembly, and the filtered water is pumped into a waste heat recoverer by a heat pump unit;
C. the water quality sensor collects the filtered water quality signal and transmits the water quality signal to the central processing unit;
D. and then the heat is mixed and heated with cold water entering from a cold water inlet through a heat exchange pipeline, the heated hot water is discharged through a water outlet pipe, and an outlet water temperature sensor acquires the outlet water temperature in real time and transmits the outlet water temperature to a background monitoring terminal in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210854794.2A CN115218265A (en) | 2022-07-20 | 2022-07-20 | Sewage source heat pump system for data acquisition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210854794.2A CN115218265A (en) | 2022-07-20 | 2022-07-20 | Sewage source heat pump system for data acquisition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115218265A true CN115218265A (en) | 2022-10-21 |
Family
ID=83611874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210854794.2A Pending CN115218265A (en) | 2022-07-20 | 2022-07-20 | Sewage source heat pump system for data acquisition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115218265A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5966625A (en) * | 1982-10-08 | 1984-04-16 | Sanyo Electric Co Ltd | Bathroom system utilizing absorption heat pump |
| CN202056963U (en) * | 2011-04-27 | 2011-11-30 | 华北电力大学 | Solar central heat-supplying bathroom system utilizing residual heat of wastewater based on heat pump |
| CN104556457A (en) * | 2015-01-30 | 2015-04-29 | 佛山市顺德区美的饮水机制造有限公司 | Water purification system |
| CN205579972U (en) * | 2016-04-08 | 2016-09-14 | 山西文龙中美环能科技股份有限公司 | Utilize sewage source heat pump hot -water heating system of waste water reclamation waste heat |
| CN106348479A (en) * | 2016-11-11 | 2017-01-25 | 冯路亭 | Small-size sewage treatment device |
| CN207418525U (en) * | 2017-10-11 | 2018-05-29 | 刘淑贤 | A kind of energy-saving and emission-reducing town sewage treatment system |
| CN207729709U (en) * | 2017-09-01 | 2018-08-14 | 山东诺亚星能源科技有限公司 | A kind of Intelligent sewage source heat supply on-site terminal and system |
| CN114111042A (en) * | 2021-11-24 | 2022-03-01 | 江苏天舒电器有限公司 | Direct-heating type sewage source heat pump rapid constant hot water outlet device and control method |
-
2022
- 2022-07-20 CN CN202210854794.2A patent/CN115218265A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5966625A (en) * | 1982-10-08 | 1984-04-16 | Sanyo Electric Co Ltd | Bathroom system utilizing absorption heat pump |
| CN202056963U (en) * | 2011-04-27 | 2011-11-30 | 华北电力大学 | Solar central heat-supplying bathroom system utilizing residual heat of wastewater based on heat pump |
| CN104556457A (en) * | 2015-01-30 | 2015-04-29 | 佛山市顺德区美的饮水机制造有限公司 | Water purification system |
| CN205579972U (en) * | 2016-04-08 | 2016-09-14 | 山西文龙中美环能科技股份有限公司 | Utilize sewage source heat pump hot -water heating system of waste water reclamation waste heat |
| CN106348479A (en) * | 2016-11-11 | 2017-01-25 | 冯路亭 | Small-size sewage treatment device |
| CN207729709U (en) * | 2017-09-01 | 2018-08-14 | 山东诺亚星能源科技有限公司 | A kind of Intelligent sewage source heat supply on-site terminal and system |
| CN207418525U (en) * | 2017-10-11 | 2018-05-29 | 刘淑贤 | A kind of energy-saving and emission-reducing town sewage treatment system |
| CN114111042A (en) * | 2021-11-24 | 2022-03-01 | 江苏天舒电器有限公司 | Direct-heating type sewage source heat pump rapid constant hot water outlet device and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109899774A (en) | A kind of intelligent steam generator system assembly that solar energy auxiliary heats and the method for manufacturing steam | |
| CN111961578A (en) | Marsh gas centralized gas supply system based on Internet of things | |
| CN210375240U (en) | Wisdom water gauge | |
| CN115218265A (en) | Sewage source heat pump system for data acquisition | |
| CN210831916U (en) | Methanation waste heat boiler system | |
| CN213962989U (en) | Water-making water dispenser convenient to maintain and water-electricity separation | |
| CN212647303U (en) | Intelligent automatic water feeding intelligent monitoring system for intelligent water affairs | |
| CN211316605U (en) | Intelligent control system based on multiple hot water energy preparation modes | |
| CN210117262U (en) | Ultrasonic drinking water purifying treatment device | |
| CN203336706U (en) | Stable operation unattended central heating monitor station | |
| CN205917789U (en) | Secondary water supply equipment of intelligence inspection quality of water | |
| CN208172587U (en) | Sewage treatment electric control system | |
| CN220788188U (en) | Nanofiltration membrane concentrated water recovery sprinkler | |
| CN214468556U (en) | Energy-saving and water-saving system for high-back-pressure operation of power plant | |
| CN115234964A (en) | Sewage source heat pump simulation heating system | |
| CN206258234U (en) | solar water heater water leakage monitoring device | |
| CN217737939U (en) | Heat energy and power engineering heat energy recovery device | |
| CN218915413U (en) | Corrosion-resistant heat accumulating type water tank | |
| CN213630488U (en) | Flue gas waste heat utilization device of blast furnace gas boiler | |
| CN218064848U (en) | Exhaust steam recycling system of boiler deaerator | |
| CN204787320U (en) | Special intelligent energy -conserving water saving system in hotel | |
| CN113072253B (en) | Glass fiber reinforced plastic sewage purifier and purification method thereof | |
| CN203336705U (en) | Remote control unattended central heating monitor station | |
| CN214067125U (en) | Detection device and water treatment device | |
| CN218443456U (en) | Cooling water return water heat recycling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |