CN104848376A - Hot water heat exchanger unit - Google Patents

Hot water heat exchanger unit Download PDF

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Publication number
CN104848376A
CN104848376A CN201410672556.5A CN201410672556A CN104848376A CN 104848376 A CN104848376 A CN 104848376A CN 201410672556 A CN201410672556 A CN 201410672556A CN 104848376 A CN104848376 A CN 104848376A
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CN
China
Prior art keywords
hot water
heat exchanger
pipe
pump
return pipe
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
Application number
CN201410672556.5A
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Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Tongchuang Energy Saving Environmental Protection Engineering Co Ltd
Original Assignee
Qingdao Tongchuang Energy Saving Environmental Protection Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Tongchuang Energy Saving Environmental Protection Engineering Co Ltd filed Critical Qingdao Tongchuang Energy Saving Environmental Protection Engineering Co Ltd
Priority to CN201410672556.5A priority Critical patent/CN104848376A/en
Publication of CN104848376A publication Critical patent/CN104848376A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a hot water heat exchanger unit which is mainly composed of an air source heat pump unit, a plate heat exchanger, a hot water circulating pump, a displacement heat exchanger and a control cabinet. The air source heat pump unit is respectively connected with a heat pump water supply pipe and a heat pump circulating pipe which are connected with the plate heat exchanger. The plate heat exchanger is then connected with a hot water return pipe. The water outlet of the plate heat exchanger is also provided with a connecting pipe which is connected with the displacement heat exchanger. The hot water circulating pump, a first pressure sensor and a first temperature sensor are installed on the hot water return pipe. A cold water supply pipe is also connected behind the hot water circulating pump of the hot water return pipe. A temperature control transmitter is arranged on the displacement heat exchanger. The beneficial effects of the hot water heat exchanger unit are that hot water is prepared by utilizing air source heat pump unit indirect forced circulation, and auxiliary compensated heating and heat accumulation are performed via the displacement heat exchanger through an outlet water constant temperature value so that the hot water heat exchanger unit has advantages of being energy-saving, economical, safe and great in working stability. Besides, operation cost is low, the use effect is great, and thus the hot water heat exchanger unit is convenient for popularization and application.

Description

A kind of hot water heat-exchange unit
Technical field
The present invention relates to heat-exchange unit technical field, specifically a kind of hot water heat-exchange unit.
Background technology
Along with social development and living standard improve, hot water supply system is widely used in the fields such as house, hotel, market, office.Hot water supply system's great majority of existing market adopt the single source of electricity, boiler, heat-exchange unit etc. to prepare hot water, there is the problem that operating cost is high, water supply security is low.
Summary of the invention
The object of the present invention is to provide a kind of energy-conservation, hot water heat-exchange unit that economy, safety and result of use are good.
The technical solution adopted for the present invention to solve the technical problems is: a kind of hot water heat-exchange unit is primarily of net for air-source heat pump units, plate type heat exchanger, hot water circulating pump, volumetric heat exchanger and switch board composition, net for air-source heat pump units is connected to heat pump feed pipe respectively and is connected with once exporting with an import of plate type heat exchanger with heat pump cycle pipe, heat pump cycle pipe is equipped with heat pump cycle pump, the secondary import of plate type heat exchanger is connected with hot water return pipe, the secondary outlet of plate type heat exchanger is connected to tube connector and is connected with the water inlet of volumetric heat exchanger, the delivery port of volumetric heat exchanger is connected with hot water feeding pipe, hot water feeding pipe connects user's pipe network hot-water supply, and form circulation by hot water return pipe, hot water return pipe is equipped with filter and expansion drum, hot water return pipe is equipped with hot water circulating pump after the filters, hot water return pipe is before hot water circulating pump, pressure sensor one and temperature sensor one is also provided with after filter, hot water return pipe is also connected to cold water supplying pipe after hot water circulating pump, and on cold water supplying pipe, check-valves is housed, cold water supplying pipe was also equipped with electronic hydrotreater before check-valves, described tube connector is provided with temperature sensor two, volumetric heat exchanger is provided with temperature control transmitter and safety valve, volumetric heat exchanger is also connected with auxiliary thermal source feed pipe and auxiliary thermal source return pipe respectively, auxiliary thermal source feed pipe is also equipped with temperature-sensing valve, hot water feeding pipe is respectively equipped with pressure sensor two and temperature sensor three.Described air source heat pump machine, heat pump cycle pump, electronic hydrotreater, hot water circulating pump, pressure sensor one, temperature sensor one, temperature sensor two, temperature control transmitter, pressure sensor two, temperature sensor three are connected with switch board wiring respectively with temperature-sensing valve.
Operation principle of the present invention is, net for air-source heat pump units obtains heat in air outdoor, and by heat pump cycle pipe and heat pump feed pipe, described plate type heat exchanger is heated, the transfer of heat that air-source heat engine group obtains by plate type heat exchanger is again to hot water, then carry out assist type by tube connector access volumetric heat exchanger and compensate heating, with obtained constant-temperature hot water, and exported by hot water feeding pipe, cold water supplying pipe is supplemented with setting-out source in time, be contained in the hot water temperature in the temperature control transmitters sense volumetric heat exchanger on volumetric heat exchanger, when the water outlet constant temperature angle value of the hot water temperature in volumetric heat exchanger lower than systemic presupposition being detected, volumetric heat exchanger will compensate heating by auxiliary thermal source feed pipe, the temperature-sensing valve be contained on auxiliary thermal source feed pipe regulates its aperture according to described temperature control transmitter adaptively according to the water outlet constant temperature angle value of systemic presupposition, until standard-sized sheet or closedown, and make the hot water temperature in volumetric heat exchanger maintain in the water outlet constant temperature angle value of systemic presupposition, when the water outlet constant temperature angle value of the hot water temperature in volumetric heat exchanger higher than systemic presupposition being detected, temperature-sensing valve cuts out and cuts off auxiliary thermal source feed pipe automatically, volumetric heat exchanger stops compensating heating, the temperature sensor one be contained on hot water return pipe detects hot water return pipe temperature, when the guarantee temperature value of hot water return pipe temperature lower than systemic presupposition being detected, the water of hot water circuit pump startup and hot water return pipe will enter volumetric heat exchanger and form circulation, hot water return pipe temperature raises, when the energy-saving warm angle value of hot water return pipe temperature higher than systemic presupposition being detected, hot water circulating pump is shut down, and so repeatedly, realizes energy-conservation, the water-saving result of hot water of the present invention supply, the pressure sensor one be contained on hot water return pipe detects hot water circuit pump suction supply pressure, when the anhydrous low pressure values of hot water circuit pump suction supply pressure lower than systemic presupposition being detected, hot water circulating pump is by stoppage protection and report to the police, until hot water circuit pump suction supply pressure return to systemic presupposition have a hydraulic pressure force value time, report to the police and automatically eliminate, hot water circulating pump also will revert to normal condition.The guarantee temperature value of described systemic presupposition is preferably lower than the water outlet constant temperature angle value 4 DEG C ~ 8 DEG C of systemic presupposition, and the energy-saving warm angle value of described systemic presupposition is preferably lower than the water outlet constant temperature angle value 2 DEG C ~ 4 DEG C of systemic presupposition.
The invention has the beneficial effects as follows, the present invention utilizes the indirect forced circulation of net for air-source heat pump units to prepare hot water, and carry out assist type compensation heating, accumulation of heat by volumetric heat exchanger with water outlet constant temperature angle value, there is energy-conservation, the advantage such as economy, safety and good operating stability, and operating cost is low, result of use is good, easy to utilize.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
In figure, 1, net for air-source heat pump units, 2, heat pump feed pipe, 3, heat pump cycle pipe, 4, heat pump cycle pump, 5, cold water supplying pipe, 6, plate type heat exchanger, 7, electronic hydrotreater, 8, check-valves, 9, hot water circulating pump, 10, pressure sensor one, 11, temperature sensor one, 12, filter, 13, hot water return pipe, 14, expansion drum, 15, temperature sensor two, 16, tube connector, 17, switch board, 18, volumetric heat exchanger, 19, temperature control transmitter, 20, hot water feeding pipe, 21, pressure sensor two, 22, temperature sensor three, 23, safety valve, 24, auxiliary thermal source feed pipe, 25, temperature-sensing valve, 26, auxiliary thermal source return pipe.
Detailed description of the invention
With regard to accompanying drawing 1, a kind of hot water heat-exchange unit of the present invention is described in detail below below.
As shown in Figure 1, a kind of hot water heat-exchange unit of the present invention is primarily of net for air-source heat pump units 1, plate type heat exchanger 6, hot water circulating pump 9, volumetric heat exchanger 18 and switch board 17 form, net for air-source heat pump units 1 is connected to heat pump feed pipe 2 respectively and is connected with once exporting with an import of plate type heat exchanger 6 with heat pump cycle pipe 3, heat pump cycle pipe 3 is equipped with heat pump cycle pump 4, the secondary import of plate type heat exchanger 6 is connected with hot water return pipe 13, the secondary outlet of plate type heat exchanger 6 is connected to tube connector 16 and is connected with the water inlet of volumetric heat exchanger 18, the delivery port of volumetric heat exchanger 18 is connected with hot water feeding pipe 20, hot water feeding pipe 20 connects user's pipe network hot-water supply, and form circulation by hot water return pipe 13, hot water return pipe 13 is equipped with filter 12 and expansion drum 14, hot water return pipe 13 is equipped with hot water circulating pump 9 after filter 12, hot water return pipe 13 is before hot water circulating pump 9, pressure sensor 1 and temperature sensor 1 is also provided with after filter 12, hot water return pipe 13 is also connected to cold water supplying pipe 5 after hot water circulating pump 9, and on cold water supplying pipe 5, check-valves 8 is housed, cold water supplying pipe 5 was also equipped with electronic hydrotreater 7 before check-valves 8, described tube connector 16 is provided with temperature sensor 2 15, volumetric heat exchanger 18 is provided with temperature control transmitter 19 and safety valve 23, volumetric heat exchanger 18 is also connected with auxiliary thermal source feed pipe 24 and auxiliary thermal source return pipe 26 respectively, auxiliary thermal source feed pipe 24 is also equipped with temperature-sensing valve 25, hot water feeding pipe 20 is respectively equipped with pressure sensor 2 21 and temperature sensor 3 23.Described air source heat pump machine 1, heat pump cycle pump 4, electronic hydrotreater 7, hot water circulating pump 9, pressure sensor 1, temperature sensor 1, temperature sensor 2 15, temperature control transmitter 19, pressure sensor 2 21, temperature sensor 3 22 and temperature-sensing valve 25 are connected with switch board 17 wiring respectively.
Operation principle of the present invention is, net for air-source heat pump units 1 obtains heat in air outdoor, and by heat pump cycle pipe 3 and heat pump feed pipe 2, described plate type heat exchanger 6 is heated, the transfer of heat that air-source heat engine group 1 obtains by plate type heat exchanger 6 is again to hot water, then access volumetric heat exchanger 18 by tube connector 16 and carry out assist type compensation heating, with obtained constant-temperature hot water, and exported by hot water feeding pipe 20, cold water supplying pipe 5 is supplemented with setting-out source in time, be contained in the hot water temperature in the temperature control transmitter 19 detection volume formula heat exchanger 18 on volumetric heat exchanger 18, when the water outlet constant temperature angle value of the hot water temperature in volumetric heat exchanger 18 lower than systemic presupposition being detected, volumetric heat exchanger 18 will compensate heating by auxiliary thermal source feed pipe 24, the temperature-sensing valve 25 be contained on auxiliary thermal source feed pipe 24 regulates its aperture according to described temperature control transmitter 19 adaptively according to the water outlet constant temperature angle value of systemic presupposition, until standard-sized sheet or closedown, and make the hot water temperature in volumetric heat exchanger 18 maintain in the water outlet constant temperature angle value of systemic presupposition, when the water outlet constant temperature angle value of the hot water temperature in volumetric heat exchanger 18 higher than systemic presupposition being detected, temperature-sensing valve 25 cuts out and cuts off auxiliary thermal source feed pipe 24 automatically, volumetric heat exchanger 18 stops compensating heating, the temperature sensor 1 be contained on hot water return pipe 13 detects hot water return pipe 13 temperature, when the guarantee temperature value of hot water return pipe 13 temperature lower than systemic presupposition being detected, the water of hot water circulating pump 9 startup and hot water return pipe 13 will enter volumetric heat exchanger 18 and form circulation, hot water return pipe 13 temperature raises, when the energy-saving warm angle value of hot water return pipe 13 temperature higher than systemic presupposition being detected, hot water circulating pump 9 is shut down, so repeatedly, energy-conservation, the water-saving result of hot water of the present invention supply is realized, the pressure sensor 1 be contained on hot water return pipe 13 detects hot water circulating pump 9 intake pressure, when the anhydrous low pressure values of hot water circulating pump 9 intake pressure lower than systemic presupposition being detected, hot water circulating pump 9 is by stoppage protection and report to the police, until hot water circulating pump 9 intake pressure return to systemic presupposition have a hydraulic pressure force value time, report to the police and automatically eliminate, hot water circulating pump 9 also will revert to normal condition.The guarantee temperature value of described systemic presupposition is preferably lower than the water outlet constant temperature angle value 4 DEG C ~ 8 DEG C of systemic presupposition, and the energy-saving warm angle value of described systemic presupposition is preferably lower than the water outlet constant temperature angle value 2 DEG C ~ 4 DEG C of systemic presupposition.

Claims (2)

1. a hot water heat-exchange unit is primarily of net for air-source heat pump units, plate type heat exchanger, hot water circulating pump, volumetric heat exchanger and switch board composition, it is characterized in that, net for air-source heat pump units is connected to heat pump feed pipe respectively and is connected with once exporting with an import of plate type heat exchanger with heat pump cycle pipe, heat pump cycle pipe is equipped with heat pump cycle pump, the secondary import of plate type heat exchanger is connected with hot water return pipe, the secondary outlet of plate type heat exchanger is connected to tube connector and is connected with the water inlet of volumetric heat exchanger, the delivery port of volumetric heat exchanger is connected with hot water feeding pipe, hot water return pipe is equipped with filter and expansion drum, hot water return pipe is equipped with hot water circulating pump after the filters, hot water return pipe is before hot water circulating pump, pressure sensor one and temperature sensor one is also provided with after filter, hot water return pipe is also connected to cold water supplying pipe after hot water circulating pump, and on cold water supplying pipe, check-valves is housed, cold water supplying pipe was also equipped with electronic hydrotreater before check-valves, volumetric heat exchanger is provided with temperature control transmitter and safety valve, volumetric heat exchanger is also connected with auxiliary thermal source feed pipe and auxiliary thermal source return pipe respectively, auxiliary thermal source feed pipe is also equipped with temperature-sensing valve.
2. a kind of hot water heat-exchange unit according to claim 1, it is characterized in that, described air source heat pump machine, heat pump cycle pump, electronic hydrotreater, hot water circulating pump, pressure sensor one, temperature sensor one, temperature control transmitter are connected with switch board wiring respectively with temperature-sensing valve.
CN201410672556.5A 2014-11-22 2014-11-22 Hot water heat exchanger unit Pending CN104848376A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410672556.5A CN104848376A (en) 2014-11-22 2014-11-22 Hot water heat exchanger unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410672556.5A CN104848376A (en) 2014-11-22 2014-11-22 Hot water heat exchanger unit

Publications (1)

Publication Number Publication Date
CN104848376A true CN104848376A (en) 2015-08-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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CN (1) CN104848376A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106482209A (en) * 2016-12-19 2017-03-08 大连圣鼎工业装备有限公司 The online intelligent hot water unit of Mobyneb system
CN106931497A (en) * 2015-12-30 2017-07-07 上海通华不锈钢压力容器工程有限公司 A kind of external storage heat exchanger
CN112197336A (en) * 2020-11-16 2021-01-08 上海有隆工程勘测技术有限公司 Pipeline heat storage type instant heating type high-temperature air source heat pump heating water system
CN112197334A (en) * 2020-11-16 2021-01-08 上海有隆工程勘测技术有限公司 Pipeline heat storage type water source heat pump and air source heat pump two-stage hot water making system
CN112524679A (en) * 2020-11-16 2021-03-19 上海有隆工程勘测技术有限公司 Pipeline heat accumulating type air source heat pump secondary heating hot water system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106931497A (en) * 2015-12-30 2017-07-07 上海通华不锈钢压力容器工程有限公司 A kind of external storage heat exchanger
CN106482209A (en) * 2016-12-19 2017-03-08 大连圣鼎工业装备有限公司 The online intelligent hot water unit of Mobyneb system
CN112197336A (en) * 2020-11-16 2021-01-08 上海有隆工程勘测技术有限公司 Pipeline heat storage type instant heating type high-temperature air source heat pump heating water system
CN112197334A (en) * 2020-11-16 2021-01-08 上海有隆工程勘测技术有限公司 Pipeline heat storage type water source heat pump and air source heat pump two-stage hot water making system
CN112524679A (en) * 2020-11-16 2021-03-19 上海有隆工程勘测技术有限公司 Pipeline heat accumulating type air source heat pump secondary heating hot water system

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Application publication date: 20150819

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