CN104712018A - Network pressure-superposed household cold/hot water supply system - Google Patents

Network pressure-superposed household cold/hot water supply system Download PDF

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Publication number
CN104712018A
CN104712018A CN201310673370.7A CN201310673370A CN104712018A CN 104712018 A CN104712018 A CN 104712018A CN 201310673370 A CN201310673370 A CN 201310673370A CN 104712018 A CN104712018 A CN 104712018A
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CN
China
Prior art keywords
water
pipe
hot water
hot
water supply
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Pending
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CN201310673370.7A
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Chinese (zh)
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不公告发明人
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Qingdao Tongchuang Energy Saving Environmental Protection Engineering Co Ltd
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Qingdao Tongchuang Energy Saving Environmental Protection Engineering Co Ltd
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Priority to CN201310673370.7A priority Critical patent/CN104712018A/en
Publication of CN104712018A publication Critical patent/CN104712018A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a network pressure-superposed household cold/hot water supply system. The system mainly comprises a backflow preventer, a steady-flow tank, a negative-pressure eliminator, water supply pumps, a hot water circulating pump, a displacement heat exchanger, a temperature control valve, a safety valve, a hot water supply pipe, a cold water supply pipe, a hot water return pipe and a control cabinet, wherein the water inlet of the steady-flow tank is directly connected in series with a tap water inlet pipe; the negative-pressure eliminator is mounted on the steady-flow tank; a teletransmission pressure gauge is arranged on the steady-flow tank; the water outlet of the steady-flow tank is connected with the water supply pump through a pipeline; and the number of the water supply pumps is 2-4, all of the water supply pumps are connected in parallel, the water outlet main pipe of the water supply pumps are divided into two paths for water supply, one path is a cold water supply pipe connected with a user, and the other path is a water replenishing pipe connected with the displacement heat exchanger. The network pressure-superposed household cold/hot water supply system has the benefits that original pressure on the tap water inlet pipe can be fully utilized, the functions of heating, hot water circulation and the like can be achieved, and the network pressure-superposed household cold/hot water supply system has the advantages of saving energy and water, occupying a small space, lowering the investment, being high in automatic control degree and the like when applied to an indoor secondary water supply system to supply both cold water and hot water.

Description

Pipe network pressure-superposed hot and cold water domestic water system
Technical field
The present invention relates to one way of life water supply system, specifically a kind of pipe network pressure-superposed hot and cold water domestic water system.
Background technology
Along with socioeconomic development, highrise building is more and more many, the indoor domestic water system of highrise building, comprise chilled water system and hot water system, must second pressure water supply to solve the demand of tube net outside pressure of supply water deficiency, and the indoor cold water of prior art and the domestic water system great majority of hot water are all adopt separately independently system, namely different pump group is adopted to supply water respectively, be easy to appearance so cold, the Stress control of hot water is not uneven and cold, the phenomenons such as hot water mixing is sometimes hot and sometimes cold, impact is normal to be used, in addition, current secondary water-supply great majority still adopt traditional lower water box pressurization to supply water, exist and take up an area greatly, energy consumption is high, the defects such as installation and maintenance trouble.
Summary of the invention
The object of the present invention is to provide a kind of energy-conservation, economize on water, take up an area little, supply water stable pipe network pressure-superposed hot and cold water domestic water system, the indoor life cold water that not only can meet highrise building requires, but also can ensure the regular supply of its indoor hot water.
The technical solution adopted for the present invention to solve the technical problems is: pipe network pressure-superposed hot and cold water domestic water system is mainly by backflow preventer, steady-flow tank, negative pressure canceller, supply-water pump, hot water circulator, volumetric heat exchanger, temperature-sensing valve, safety valve, hot water feeding pipe, cold water supplying pipe, hot water return pipe and switch board composition, the water inlet of steady-flow tank is directly connected in series with tap water water inlet pipe, and is provided with strainer in turn along water (flow) direction on tap water water inlet pipe, backflow preventer, negative pressure canceller is installed on steady-flow tank, and distance-transmission pressure gauge is provided with on steady-flow tank, the delivery port of steady-flow tank connects supply-water pump by pipeline, supply-water pump arranges 2 ~ 4 parallel connections, and distance-transmission pressure gauge and pressure controller is provided with on the outfall sewer of supply-water pump, discharge pressure for supply-water pump controls, separate two-way from the outfall sewer of supply-water pump to supply water, one tunnel is that cold water supplying pipe meets user, and for water chiller tool water, another road is that filling pipe connects volumetric heat exchanger, and flap valve is equiped with on filling pipe, prevent aqueous reflux.
Described volumetric heat exchanger is used for indirect weighting and deposit domestic hot-water, the thermal medium adopted can be steam or high temperature water, thermal medium enters volumetric heat exchanger from heating agent water inlet pipe, flowed out by heating agent outlet pipe again, heating agent water inlet pipe flows to along thermal medium strainer and temperature-sensing valve are housed in turn, also must be equiped with drain valve on heating agent outlet pipe when thermal medium is steam.Control with energy-conservation for ease of hot water temperature, volumetric heat exchanger is equiped with immersion temperature control sensor, for controlling leaving water temperature not higher than set temperature value, when detecting that leaving water temperature is higher than set temperature value by this immersion temperature control sensor, then regulate the aperture of temperature-sensing valve adaptively until close temperature-sensing valve by switch board, reach energy-saving effect.In order to safety, be also equiped with safety valve at the top of volumetric heat exchanger.Be provided with water inlet in the bottom of volumetric heat exchanger, top is provided with delivery port, water inlet is connected with the filling pipe of described supply-water pump water outlet, and delivery port is connected with hot water feeding pipe, and hot water feeding pipe meets user, supplying hot water utensil water.For ease of automatic vent, be equiped with automatic air valve at the peak of hot water feeding pipe.The water heater that domestic hot-water is delivered to user by hot water feeding pipe after volumetric heat exchanger heating uses, and does not make the hot water of using up by hot water return pipe after hot water circulator pressurization, is back on the filling pipe of volumetric heat exchanger water inlet.
Described hot water circulator arranges 1 ~ 2, and hot water return pipe before hot water circulator installs strainer, after the outlet pipe after hot water circulator is connected to the flap valve of the filling pipe of described volumetric heat exchanger.For ensure water heater with coolant-temperature gage, the hot water return pipe before hot water circulator being equiped with temperature detection table, for detecting return water temperature to control hot water circuit pump operation or stopping, reaching water saving, energy-conservation and by effects such as coolant-temperature gage are comfortable.
Described switch board is for controlling negative pressure canceller action, supply-water pump automatic water-supply, hot water circulator automatic start-stop, temperature-sensing valve aperture and the function such as setting, display, storage to temperature, pressure.Distance-transmission pressure gauge and pressure controller, hot water circulator, temperature-sensing valve, immersion temperature control sensor, the distance-transmission pressure gauge of hot water feeding pipe and the temperature detection table of hot water return pipe of the distance-transmission pressure gauge of steady-flow tank, negative pressure canceller, supply-water pump, supply-water pump outfall sewer are connected to switch board by cable, and in switch board, be reserved with remote monitoring interface.
Profitable fruit of the present invention is, compared with prior art, the present invention can make full use of the original pressure on tap water water inlet pipe, and there is the functions such as heating and hot water circuit, be applied to indoor secondary water system simultaneously feeding cold water and hot water time, have energy-conservation, economize on water, take up an area little, reduced investment and automatic controlling level advantages of higher.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
In figure, 1, tap water water inlet pipe, 2, strainer, 3, backflow preventer, 4, steady-flow tank, 5, distance-transmission pressure gauge, 6, negative pressure canceller, 7, supply-water pump, 8, distance-transmission pressure gauge, 9, pressure controller, 10, flap valve, 11, filling pipe, 12, hot water circulator, 13, volumetric heat exchanger, 14, heating agent outlet pipe, 15, heating agent water inlet pipe, 16, strainer, 17, temperature-sensing valve, 18, immersion temperature control sensor, 19, safety valve, 20, relief tube, 21, distance-transmission pressure gauge, 22, hot water feeding pipe, 23, strainer, 24, temperature detection table, 25, cold water supplying pipe, 26, switch board, 27, remote monitoring interface, 28, cable, 29, hot water return pipe, 30, automatic air valve, 31, water heater, 32, cold water utensil.
Detailed description of the invention
With regard to accompanying drawing 1, pipe network pressure-superposed hot and cold water domestic water system of the present invention is described in detail below below.
As shown in Figure 1, pipe network pressure-superposed hot and cold water domestic water system of the present invention is mainly by backflow preventer 3, steady-flow tank 4, negative pressure canceller 6, supply-water pump 7, hot water circulator 12, volumetric heat exchanger 13, temperature-sensing valve 17, safety valve 19, hot water feeding pipe 22, cold water supplying pipe 25, hot water return pipe 29 and switch board 26 form, and the water inlet of steady-flow tank 4 is directly connected in series with tap water water inlet pipe 1, and is provided with strainer 2 in turn along water (flow) direction on tap water water inlet pipe 1, backflow preventer 3, negative pressure canceller 6 is installed on steady-flow tank 4, and distance-transmission pressure gauge 5 is provided with on steady-flow tank 4, the delivery port of steady-flow tank 4 connects supply-water pump 7 by pipeline, supply-water pump 7 arranges 2 ~ 4 parallel connections, and on the outfall sewer of supply-water pump 7, be provided with distance-transmission pressure gauge 8 and pressure controller 9, discharge pressure for supply-water pump 7 controls, separate two-way from the outfall sewer of supply-water pump 7 to supply water, one tunnel is that cold water supplying pipe 25 meets user, and for water chiller tool 32 water, another road is that filling pipe 11 connects volumetric heat exchanger 13, and flap valve 10 is equiped with on filling pipe 11, prevent aqueous reflux.
Described volumetric heat exchanger 13 is for indirect weighting and deposit domestic hot-water, the thermal medium adopted can be steam or high temperature water, thermal medium enters volumetric heat exchanger 13 from heating agent water inlet pipe 15, flowed out by heating agent outlet pipe 14 again, heating agent water inlet pipe 15 flows to along thermal medium strainer 16 and temperature-sensing valve 17 are housed in turn, also must be equiped with drain valve on heating agent outlet pipe 14 when thermal medium is steam.Control with energy-conservation for ease of hot water temperature, volumetric heat exchanger 13 is equiped with immersion temperature control sensor 18, for controlling leaving water temperature not higher than set temperature value, when detecting that leaving water temperature is higher than set temperature value by this immersion temperature control sensor 18, then regulate the aperture of temperature-sensing valve 17 adaptively until close temperature-sensing valve 17 by switch board 26, reach energy-saving effect.In order to safety, be also equiped with safety valve 19 at the top of volumetric heat exchanger 13.Be provided with water inlet in the bottom of volumetric heat exchanger 13, top is provided with delivery port, water inlet is connected with the filling pipe 11 of described supply-water pump 7 water outlet, and delivery port is connected with hot water feeding pipe 22, and hot water feeding pipe 22 meets user, and water used by supplying hot water utensil 31.For ease of automatic vent, be equiped with automatic air valve 30 at the peak of hot water feeding pipe 22.The water heater 31 that domestic hot-water is delivered to user by hot water feeding pipe 22 after volumetric heat exchanger 13 heats uses, do not make the hot water of using up by hot water return pipe 29 after hot water circulator 12 pressurizes, be back on the filling pipe 11 of volumetric heat exchanger 13 water inlet.
Described hot water circulator 12 arranges 1 ~ 2, and hot water return pipe 29 before hot water circulator 12 installs strainer 23, after the outlet pipe after hot water circulator 12 is connected to the flap valve 10 of the filling pipe 11 of described volumetric heat exchanger 13.For ensureing the use coolant-temperature gage of water heater 31, hot water return pipe 29 before hot water circulator 12 is equiped with temperature detection table 24, run for detecting return water temperature to control hot water circulator 12 or stop, reaching water saving, energy-conservation and by effects such as coolant-temperature gage are comfortable.
Described switch board 26 is for controlling negative pressure canceller 6 action, supply-water pump 7 automatic water-supply, hot water circulator 12 automatic start-stop, temperature-sensing valve 17 aperture and the function such as setting, display, storage to temperature, pressure.Distance-transmission pressure gauge 8 and pressure controller 9, hot water circulator 12, temperature-sensing valve 17, immersion temperature control sensor 18, the distance-transmission pressure gauge 21 of hot water feeding pipe 22 and the temperature detection table 24 of hot water return pipe 29 of the distance-transmission pressure gauge 5 of steady-flow tank 4, negative pressure canceller 6, supply-water pump 7, supply-water pump 7 outfall sewer are connected to switch board 26 by cable 28, and are reserved with remote monitoring interface 27 in switch board 26.

Claims (5)

1. a pipe network pressure-superposed hot and cold water domestic water system is mainly by backflow preventer, steady-flow tank, negative pressure canceller, supply-water pump, hot water circulator, volumetric heat exchanger, temperature-sensing valve, safety valve, hot water feeding pipe, cold water supplying pipe, hot water return pipe and switch board composition, it is characterized in that, the water inlet of steady-flow tank is directly connected in series with tap water water inlet pipe, and strainer is provided with in turn along water (flow) direction on tap water water inlet pipe, backflow preventer, negative pressure canceller is installed on steady-flow tank, and distance-transmission pressure gauge is provided with on steady-flow tank, the delivery port of steady-flow tank connects supply-water pump by pipeline, supply-water pump arranges 2 ~ 4 parallel connections, and distance-transmission pressure gauge and pressure controller is provided with on the outfall sewer of supply-water pump, separate two-way from the outfall sewer of supply-water pump to supply water, one tunnel is that cold water supplying pipe meets user, another road is that filling pipe connects volumetric heat exchanger.
2. pipe network pressure-superposed hot and cold water domestic water system according to claim 1, it is characterized in that, volumetric heat exchanger is equiped with immersion temperature control sensor, the heating agent water inlet pipe of volumetric heat exchanger flows to along thermal medium strainer and temperature-sensing valve are housed in turn, be also equiped with safety valve at the top of volumetric heat exchanger.
3. pipe network pressure-superposed hot and cold water domestic water system according to claim 2, it is characterized in that, be provided with water inlet in the bottom of volumetric heat exchanger, top is provided with delivery port, water inlet is connected with the filling pipe of described supply-water pump water outlet, and delivery port is connected with hot water feeding pipe.
4. pipe network pressure-superposed hot and cold water domestic water system according to claim 2, it is characterized in that, described hot water circulator arranges 1 ~ 2, the hot water return pipe before hot water circulator is equiped with temperature detection table.
5. pipe network pressure-superposed hot and cold water domestic water system according to claim 1, is characterized in that, be reserved with remote monitoring interface in switch board.
CN201310673370.7A 2013-12-12 2013-12-12 Network pressure-superposed household cold/hot water supply system Pending CN104712018A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310673370.7A CN104712018A (en) 2013-12-12 2013-12-12 Network pressure-superposed household cold/hot water supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310673370.7A CN104712018A (en) 2013-12-12 2013-12-12 Network pressure-superposed household cold/hot water supply system

Publications (1)

Publication Number Publication Date
CN104712018A true CN104712018A (en) 2015-06-17

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Application Number Title Priority Date Filing Date
CN201310673370.7A Pending CN104712018A (en) 2013-12-12 2013-12-12 Network pressure-superposed household cold/hot water supply system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107388339A (en) * 2017-09-15 2017-11-24 广州市设计院 A kind of combined type heat-exchanger rig being used in hot water supply system
CN114575412A (en) * 2022-03-16 2022-06-03 中国水利水电科学研究院 Urban water supply-based social water circulation path description method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107388339A (en) * 2017-09-15 2017-11-24 广州市设计院 A kind of combined type heat-exchanger rig being used in hot water supply system
CN114575412A (en) * 2022-03-16 2022-06-03 中国水利水电科学研究院 Urban water supply-based social water circulation path description method

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Application publication date: 20150617