CN106196259B - Split type constant temperature supply system of campus hot water - Google Patents
Split type constant temperature supply system of campus hot water Download PDFInfo
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- CN106196259B CN106196259B CN201610752580.9A CN201610752580A CN106196259B CN 106196259 B CN106196259 B CN 106196259B CN 201610752580 A CN201610752580 A CN 201610752580A CN 106196259 B CN106196259 B CN 106196259B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 253
- 239000010865 sewage Substances 0.000 claims abstract description 38
- 238000004321 preservation Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 239000002893 slag Substances 0.000 claims description 22
- 238000007599 discharging Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 10
- 238000009825 accumulation Methods 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 2
- 239000002918 waste heat Substances 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
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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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/074—Arrangement of water treatment devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/075—Arrangement of devices for control of pressure or flow rate
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
- E03B2001/045—Greywater supply systems using household water
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a split type constant-temperature hot water supply system for a campus, which comprises a sewage pool and a sewage pipe connected with the sewage pool, wherein a multistage heat exchanger for heat exchange is arranged in the sewage pipe, and the split type constant-temperature hot water supply system is characterized in that: the water-cooling system also comprises a cold water pipeline, wherein one end of the cold water pipeline is connected with the top of the heat-preservation water tank after the water temperature is exchanged through the multi-stage heat exchanger, and the bottom of the heat-preservation water tank is connected with the other end of the cold water pipeline; the heat preservation water tank is connected with a heat supply heat pump, the heat supply heat pump is provided with a heating device, the rear part of the heat supply heat pump is connected with a plurality of water meters, and each water meter is connected with a card reader and a water outlet; the water pipe connecting the heat supply heat pump and the water meters is provided with a master control valve, and each water meter is provided with a branch control valve.
Description
Technical Field
The invention relates to the field of energy regeneration and recovery, in particular to a split type constant-temperature hot water supply system for a campus.
Background
The water source heat pump hot water system consists of a water source heat pump hot water main machine and a public water source exchange source which are independently installed and used by each household. The household water source heat pump hot water main machine is dispersedly installed in each household to realize all functions of independent start and stop and independent control of hot water temperature. And the exchange of the public water source is carried out, the temperature of the exchange water source is low, the heat loss in the pipeline circulation is avoided, and the use cost is saved compared with the centralized hot water supply. The working principle of the system is that the raw sewage generated by a house is stored in a water tank after the waste heat of the raw sewage is absorbed by a renewable energy exchange system and public exchange used by a user, the waste heat is sent to a roof water collector through a booster pump and then is distributed into a pipeline through a water distributor to be sent to a water source heat pump hot water main machine installed in a user home, and when the user needs to use hot water, the water source heat pump hot water main machine is started to heat a hot water storage tank (with the capacity selectable) matched with the water source heat pump hot water main machine for heating. When the water source heat pump hot water main machine is used for heating, the used exchange water source flows back to the renewable energy exchange system, and after exchange, the water source heat pump hot water main machine is pressurized to the roof to form a loop for recycling.
The existing waste heat recovery system generally performs temperature exchange with a cooling water pipe through a multi-stage exchanger, but has several problems, firstly, when the cooling water pipe performs heat exchange in winter, if the water temperature is too low, a large amount of heat in the whole-stage exchanger is consumed, so that the temperature of the cooling water rises slowly, and in addition, the existing hot water cannot well meet the requirements of users if the existing water pressure is insufficient;
in addition, when the user group is the school student, the school student often damages the water meter in order to save the living expense, so that a more advanced method and equipment are needed to solve the problems in the prior art.
Disclosure of Invention
The invention provides a split type hot water constant-temperature supply system for a campus to solve the problems by aiming at the defects of unreasonable structure, insufficient waste heat conversion amount and easy damage of a water meter in the existing waste heat recovery system.
The invention is realized by the following steps: a split type constant-temperature hot water supply system for a campus comprises a sewage pool and a sewage pipe connected with the sewage pool, wherein a multi-stage heat exchanger for heat exchange is arranged in the sewage pipe, the split type constant-temperature hot water supply system also comprises a cold water pipeline, after water temperature exchange is carried out on the cold water pipeline through the multi-stage heat exchanger, one end of the cold water pipeline is connected with the top of a heat preservation water tank, and the bottom of the heat preservation water tank is connected with the other end of the cold water pipeline; the heat-preservation water tank is connected with the heat supply heat pump, the heat supply heat pump is provided with a heating device, the rear part of the heat supply heat pump is connected with a plurality of water meters, and each water meter is connected with a card reader and a water outlet; the water pipe connecting the heat supply heat pump and the water meters is provided with a master control valve, and each water meter is provided with a branch control valve.
According to the invention, as a further scheme, the cold water pipeline is connected with a return pipeline, the return pipeline is connected with the cold water pipeline through an intelligent three-way valve, and a heat exchanger is arranged in a loop formed by the return pipeline and a cooling water pipe; the outlet of the intelligent three-way valve is connected with a temperature measuring device for measuring the temperature of the cold water pipeline, and the temperature detecting device is connected with the intelligent three-way valve through a PLC system. The effect of the return pipe is that when the temperature of the water flow is too low, in order to avoid the heat in the heat exchanger from reducing too fast, the cold water backflow mode is adopted, so that the temperature of the water flow circulates in the heat exchanger in a single area, the initial temperature of the cold water can be increased, and the rapid temperature rise is facilitated.
In the invention, as a further scheme, a slag discharging device is arranged at the outlet of the sewage pipe, the slag discharging device comprises a shell, a liquid outlet is arranged at the shell, a slag discharging rotary knife is arranged in the shell, a slag discharging port is arranged at the tail part of the shell, a slag collecting port is arranged at the slag discharging port, and a weighing device is arranged at the slag discharging collecting port. Through measuring the slag discharge amount, the slag content of local sewage can be known, thereby coping with sewage schemes of different degrees.
In the invention, as a further scheme, a hot water replenishing pipeline is arranged in the return pipeline, and a flow calculator is arranged in the hot water replenishing pipeline. The water supply pipe is a hot water pipe, and when the heat exchanger cannot raise the temperature of water in the cold water pipe in a short time, the initial temperature of the cooling pipe can be raised by supplying hot water. The water supplement amount can be calculated through a flow calculator so as to know the local water supplement demand and calculate the energy value of the heat exchange amount.
In the invention, as a further scheme, the water replenishing pipeline is connected with an electric heating system, the electric heating system and a valve of the water replenishing pipeline are controlled by a PLC system, and the PLC system is connected with a temperature measuring device. The opening of the water replenishing pipeline and the opening of the intelligent three-way valve are fed back to the PLC system by the temperature measuring device, and temperature control is carried out through the PLC system, so that the temperature is intelligentized.
In the invention, as a further scheme, a pressure accumulation tank is arranged in the cold water pipeline; and a water pressure measuring instrument is arranged in the heat supply heat pump, and when the index of the water pressure measuring instrument is lower than that of the pressure accumulation tank, the pressure accumulation tank starts to accumulate water through a PLC (programmable logic controller).
According to the invention, as a further scheme, when the system is arranged in a school, the dormitory is taken as each unit longitudinally, the water meters in each dormitory in the unit are arranged in a box body in a centralized manner, and each water meter is independently connected with the card reader through a wire.
In the invention, as a further scheme, each water meter is provided with a separately corresponding sub-control valve and a water temperature and water pressure detection device, and the main control valve and the sub-control valves are controlled by a PLC system according to the temperature of the water temperature detection devices. In the existing split water meter, the situation that the water pipe close to the end of the water main pipe uses up hot water and the water pipe at the tail end has no hot water easily occurs.
The independent branch control valve and the water temperature control valve are arranged in the corresponding branch pipe of each water meter; when only one water meter is operated, the water pressure of the water distribution pipe is very high, a large amount of hot water can be caused to rapidly flow into the water distribution pipe, and when the water temperature and water pressure detection device detects that the water pressure is too high and the water temperature is too high, the PLC system controls the master control valve to close the small valve, so that the water pressure is reduced;
when a plurality of water meters are operated simultaneously, if a plurality of water temperature and water pressure detection devices detect that the water temperature and the water pressure in the water pipes are inconsistent, the sub-control valves in the water distribution pipes regulate the size of the valves together so as to realize the balance of the water volume and the temperature of the water pipes;
when the water temperature and water pressure detection device detects that the water temperature is far less than the set temperature for a long time, the sub-control valves are automatically closed, and cold caused by cold water used by a human body is avoided.
The invention has the beneficial effects that:
1. the invention adopts a full-automatic PLC control system to carry out operation control, has the technical characteristics of reliability, safety, full automation and the like, has better market competitiveness, and can overcome the defect of slow temperature rise caused by too low water temperature when the water for use is subjected to heat exchange.
2. The invention can count the waste residues and the water supplement amount of the sewage to form statistical data so as to design pipelines aiming at the sewage environment and the water supplement amount.
3. The invention has simple structure, can be realized by the existing equipment and carrying out electronic design according to the invention, and is convenient for popularization and application in the industry.
4. The water meter can effectively solve the problem that the water meter is damaged by the existing students, so that the maintenance problem is solved.
5. The invention can effectively solve the problem of unbalanced water pressure and water temperature in the existing dormitories and is convenient for balanced management.
6. The invention can solve the problem of insufficient water pressure of hot water and is convenient to popularize and apply in each family.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the slag extractor of the present invention;
the system comprises a waste slag pool 1, a sewage pool 2, a sewage pipe 3, a slag extractor 4, a cold water pipeline 5, a sewage discharge pool 6, a first temperature measuring instrument 7, a second temperature measuring instrument 8, a first return pipeline 9, a second return pipeline 10, a heat preservation water tank 11, a water supplementing pipeline 12, a heat supply heat pump 13, a pressure accumulation tank 14, a water meter 15, a card reader 16, a master control valve 17, a temperature and water pressure measuring instrument 18 and a branch control valve 19;
motor 4.1, sewage entry 4.2, casing 4.3, sewage hole 4.4, slag charge export 4.5.
Detailed Description
The present invention is described below with reference to the drawings and examples, which are explained below with reference to the best mode for carrying out the invention.
Example 1:
as shown in fig. 1, which is a schematic view of the overall structure of the present invention, the present invention includes a sewage tank 2, the sewage tank 2 is connected with a sewage pipe 3, a slag extractor 4 is disposed in the sewage pipe 3, the slag extractor 4 includes a housing 4.3, a sewage inlet 4.2 and a sewage hole 4.4 are disposed on the housing 4.3, sewage enters the housing 4.3 through the sewage inlet 4.2, impurities are discharged through a rotating mechanism (driven by a motor 4.1) in the housing 4.3, and sewage continues to flow in the sewage pipe 3 through the sewage hole 4.4, the system includes a first heat exchanger, a second heat exchanger, a third heat exchanger and a fourth heat exchanger, which are arranged in sequence from left to right, in the heat exchangers, the sewage pipe 3 is connected with the heat exchangers in sequence from left to right; a cold water pipeline 5 is arranged on the right side, and the cold water pipeline 5 is sequentially connected with the heat exchanger from right to left, so that the sewage and the cold water exchange heat in the heat exchanger;
a first return pipeline 9 and a second return pipeline 10 are respectively arranged in the first heat exchanger and the fourth heat exchanger, an intelligent three-way valve (not shown in the figure) is arranged at the joint of the return pipeline and the cold water pipeline 5 and used for controlling the cold water pipeline 5 to continuously circulate or enabling liquid to flow into the return pipeline, a first temperature measuring instrument 7 and a second temperature measuring instrument 8 are respectively arranged at the first return pipeline 9 and the second return pipeline 10, and the intelligent three-way valve, the first temperature measuring instrument 7 and the second temperature measuring instrument 8 are connected with a PLC system;
the cold water pipeline 5 finally flows into the top of the heat preservation water tank 11, the bottom of the heat preservation water tank 11 is connected with the cold water pipeline 5 to form a loop, a pressure storage tank 14 is arranged in the cold water pipeline 5, a heat supply heat pump 13 is connected with the heat preservation water tank 11, and the heat preservation water tank 11 is connected with a water meter 15 and a card reader 16; the water pipe connecting the heat supply heat pump 13 and the water meters 15 is provided with a master control valve 17, each water meter is provided with a branch control valve 19 and a temperature and water pressure measuring instrument 18, the master control valve 17 and the branch control valves 19 are controlled by a PLC system, 4 water meters 15 are arranged in the embodiment, and a card reader 16 and a water outlet are independently connected behind each water meter 15. When only one water meter 15 is operated, the water pressure of the water distribution pipe is very high, so that a large amount of hot water can rapidly flow into the water distribution pipe, and when the water temperature and water pressure detection device 18 detects that the water pressure is too high and the water temperature is too high, the PLC system controls the main control valve 17 to close the small valve, so that the water pressure is reduced;
when a plurality of water meters are operated simultaneously, if a plurality of water temperature and water pressure detection devices 18 detect that the water temperature and the water pressure in the water pipes are inconsistent, the sub-control valves 19 in the water distribution pipes regulate the size of the valves together so as to realize the balance of the water quantity and the temperature of the water pipes;
when the water temperature and water pressure detection device 18 detects that the water temperature is far lower than the set temperature for a long time, the sub-control valve 19 is automatically closed, and cold caused by cold water used by a human body is avoided. The sewer pipe 3 is furthermore connected to a sewage discharge tank 6.
In this embodiment, a water supply pipeline 12 is disposed at the second return pipeline 10, a flow calculator (not shown) is disposed in the water supply pipeline 12, the water supply pipeline 12 is connected to an electric heating system, which can supply hot water, and the electric heating system and a valve of the water supply pipeline are controlled by a PLC system.
During operation, the sewage pipe 3 is opened to carry out heat exchange on the first heat exchanger, the second heat exchanger, the third heat exchanger and the fourth heat exchanger, and after the temperature of the heat exchangers is increased, the cold water pipeline 5 is opened to carry out temperature exchange, so that the temperature in the cold water pipeline 5 is increased.
When the water temperature of the cold water pipeline 5 is lower than a set value (for example, 20 ℃), the second temperature measuring instrument 8 detects the temperature, the PLC system controls the intelligent three-way valve, the backflow pipeline 10 in the intelligent three-way valve is opened, and until the water temperature in the cold water pipeline 5 is higher than 20 ℃, the PLC system controls the cold water pipeline 5 in the intelligent three-way valve to be opened, and the valve of the backflow pipeline 10 is closed. When the water temperature of the cold water pipeline 5 is lower than the set value for more than 10 minutes, the water supplementing pipeline 12 is opened to inject hot water, and when the water temperature is higher than 20 ℃, the water supplementing pipeline 12 is closed. By circulating the above steps, the hot water can be continuously provided for the heat preservation water tank 11. When the temperature is not high, can carry out the electric heat through heat supply heat pump 13 and heat and make the temperature rise, still be equipped with the water pressure measuring apparatu in heat supply heat pump 13 department, the water pressure measuring apparatu is connected with PLC system controller, opening of PLC system control pressure storage tank 14, when the water pressure detector detects water pressure and crosses when low, then PLC system control pressure storage tank 14 opens, impounds to guarantee the sufficiency of water yield.
Example 2:
different from the embodiment 1, a water replenishing pipeline is arranged at the first heat exchanger, and the rest working modes and principles are the same as those of the embodiment 1.
Example 3:
different from the embodiment 1, when the system is arranged in a school, the dormitories are vertically taken as each unit, the water meters in each dormitory in the units are intensively arranged in one box body, and each water meter is independently connected with the card reader through a wire, so that the problem that students can destroy the water meters in the dormitories to abuse hot water randomly is avoided. The structure is simple and convenient, and the arrangement of the water meter and the card reader can be realized according to the prior art, and is not described herein.
Finally, it should be noted that: it should be understood that the above-mentioned embodiments are only examples for clearly illustrating the present invention, and are not to be construed as limiting the implementation. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This list is not intended to be exhaustive or exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (5)
1. The utility model provides a split type constant temperature supply system of campus hot water, includes the effluent water sump and the sewage pipe of being connected with the effluent water sump, be equipped with the multistage heat exchanger that is used for the heat exchange in the sewage pipe, its characterized in that: the water-cooling system also comprises a cold water pipeline, wherein one end of the cold water pipeline is connected with the top of the heat-preservation water tank after the water temperature is exchanged through the multi-stage heat exchanger, and the bottom of the heat-preservation water tank is connected with the other end of the cold water pipeline; the heat preservation water tank is connected with a heat supply heat pump, the heat supply heat pump is provided with a heating device, the rear part of the heat supply heat pump is connected with a plurality of water meters, and each water meter is connected with a card reader and a water outlet;
a main control valve is arranged on a water pipe connecting the heat supply heat pump and the water meters, a sub-control valve is arranged at each water meter,
the cold water pipeline is connected with a return pipeline, the return pipeline is connected with the cold water pipeline through an intelligent three-way valve, and a heat exchanger is arranged in a loop formed by the return pipeline and the cold water pipeline; the intelligent three-way valve is connected with a temperature measuring device for measuring the temperature of the cold water pipeline, the temperature measuring device is connected with the intelligent three-way valve through a PLC system,
four stages are distributed from left to right in the heat exchanger, wherein a return pipeline is arranged in the first-stage heat exchanger and the four stages, a one-way valve is arranged in the return pipeline,
the sewage pipe is provided with a slag discharging device, the slag discharging device comprises a shell, a liquid outlet is arranged at the shell, a slag discharging rotary knife is arranged in the shell, the tail part of the shell is provided with a slag discharging port, a slag discharging collecting port is arranged at the slag discharging port, a weighing device is arranged at the slag discharging collecting port,
and a hot water replenishing pipeline is arranged in the return pipeline, and a flow calculator is arranged in the hot water replenishing pipeline.
2. The campus hot water split type constant temperature supply system of claim 1, wherein: the hot water replenishing pipeline is connected with an electric heating system, the electric heating system and a valve of the replenishing pipeline are controlled by a PLC system, and the PLC system is connected with a temperature measuring device.
3. The campus hot water split type constant temperature supply system of claim 1, wherein: a pressure accumulation tank is arranged in the cold water pipeline; and a water pressure measuring instrument is arranged in the heat supply heat pump, and when the index of the water pressure measuring instrument is lower than that of the pressure accumulation tank, the pressure accumulation tank starts to accumulate water through a PLC (programmable logic controller).
4. The campus hot water split type constant temperature supply system of claim 1, wherein: when the system is arranged in a school, the dormitories are vertically taken as each unit, the water meters in each dormitory in the unit are intensively arranged in one box body, and each water meter is independently connected with the card reader through a wire.
5. The campus hot water split type constant temperature supply system of claim 1, wherein: each water meter is provided with a separately corresponding sub-control valve and a water temperature and water pressure detection device, and the main control valve and the sub-control valves are controlled by a PLC system according to the temperature of the water temperature detection devices.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610752580.9A CN106196259B (en) | 2016-08-29 | 2016-08-29 | Split type constant temperature supply system of campus hot water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610752580.9A CN106196259B (en) | 2016-08-29 | 2016-08-29 | Split type constant temperature supply system of campus hot water |
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| CN106196259A CN106196259A (en) | 2016-12-07 |
| CN106196259B true CN106196259B (en) | 2022-06-10 |
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| CN201610752580.9A Active CN106196259B (en) | 2016-08-29 | 2016-08-29 | Split type constant temperature supply system of campus hot water |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109819843A (en) * | 2018-12-29 | 2019-05-31 | 重庆华绿生物有限公司 | A kind of stirring water-adding system |
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| CN1318676A (en) * | 2001-06-08 | 2001-10-24 | 王新强 | Centralized water meter water supply system for resident building |
| JP2012063127A (en) * | 2010-08-18 | 2012-03-29 | Lead Setsubi:Kk | Air-conditioning hot water supply system |
| CN202809700U (en) * | 2012-08-20 | 2013-03-20 | 贵州环亚管材阀门有限公司 | Vertical type water meter centralized system |
| CN103192518A (en) * | 2013-04-19 | 2013-07-10 | 南京聚力化工机械有限公司 | Automatic slag discharging device |
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| CN104456944A (en) * | 2014-12-30 | 2015-03-25 | 黑龙江国德节能服务有限公司 | Campus sewage heat energy recovery comprehensive recycling device and method |
| CN204574237U (en) * | 2015-04-03 | 2015-08-19 | 山西文龙煤矿工程设计有限公司 | A kind of system of publilc baths waste water reuse |
| CN206113107U (en) * | 2016-08-29 | 2017-04-19 | 广西天涌节能科技股份有限公司 | Split type constant temperature supply system of campus hot water |
-
2016
- 2016-08-29 CN CN201610752580.9A patent/CN106196259B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033833U (en) * | 1988-05-25 | 1989-03-08 | 孙华 | Domestic water meter box |
| CN1318676A (en) * | 2001-06-08 | 2001-10-24 | 王新强 | Centralized water meter water supply system for resident building |
| JP2012063127A (en) * | 2010-08-18 | 2012-03-29 | Lead Setsubi:Kk | Air-conditioning hot water supply system |
| CN202809700U (en) * | 2012-08-20 | 2013-03-20 | 贵州环亚管材阀门有限公司 | Vertical type water meter centralized system |
| CN103192518A (en) * | 2013-04-19 | 2013-07-10 | 南京聚力化工机械有限公司 | Automatic slag discharging device |
| CN203323206U (en) * | 2013-05-29 | 2013-12-04 | 深圳市中深装建设集团有限公司 | Smoke discharge waste heat recovery circular energy saving system |
| CN104456944A (en) * | 2014-12-30 | 2015-03-25 | 黑龙江国德节能服务有限公司 | Campus sewage heat energy recovery comprehensive recycling device and method |
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| CN206113107U (en) * | 2016-08-29 | 2017-04-19 | 广西天涌节能科技股份有限公司 | Split type constant temperature supply system of campus hot water |
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| CN106196259A (en) | 2016-12-07 |
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