CN108506994A - Monolithic devices compression heat pump heat-exchange unit - Google Patents
Monolithic devices compression heat pump heat-exchange unit Download PDFInfo
- Publication number
- CN108506994A CN108506994A CN201810459828.1A CN201810459828A CN108506994A CN 108506994 A CN108506994 A CN 108506994A CN 201810459828 A CN201810459828 A CN 201810459828A CN 108506994 A CN108506994 A CN 108506994A
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- Prior art keywords
- water
- heat
- heat pump
- type
- lateral line
- 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.)
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Links
- 230000006835 compression Effects 0.000 title claims abstract description 67
- 238000007906 compression Methods 0.000 title claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 239000008400 supply water Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
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- 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
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating 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
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
-
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
- F24D2200/123—Compression type 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/06—Heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/047—Water-cooled condensers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention provides monolithic devices compression heat pump heat-exchange units, including：Multiple hot-water type compression type heat pump assemblys, multiple water water- to-water heat exchangers and connecting line；Connecting line includes a lateral line and secondary lateral line；Lateral line uses the connection type of sequential series step by step, wherein the connection type of sequential series is specially step by step：Lateral line is successively by multiple water water- to-water heat exchangers and the evaporator of hot-water type compression type heat pump assembly or the evaporator for the multiple hot-water type compression type heat pump assemblys being serially connected；Secondary lateral line is using connection type in parallel, wherein connection type in parallel is specially：More than two-way secondary lateral line merges into all the way after the condenser of hot-water type compression type heat pump assembly and water water- to-water heat exchanger respectively, then is communicates directly to heat user or is communicated to heat user after remaining water water- to-water heat exchanger.The heat pump heat exchanging unit of the present invention considerably reduces heat supply network return water temperature, and heat cost is low, and efficiency of energy utilization is high.
Description
Technical field
The present invention relates to energy technology fields, more particularly to monolithic devices compression heat pump heat-exchange unit.
Background technology
With being continuously increased for city central heating scale, the high-temperature-hot-water that central heat source generates will often pass through longer-range
From conveying can be only achieved at heat user.To expand heating area, conveying cost is reduced, and item is created for recycling residual heat of electric power plant
Part, Tsinghua University pay woods etc. and propose Patent No.：ZL200810101064.5, it is entitled：A kind of " heat pump type heat exchanging machine
The patent of invention of group ".The compression heat pump complex technique solution problem above that the patent is driven using heat exchange with hot water, and
It is applied in more and more projects.However in promotion and application, it is found that there are the following problems for the patent：
1, the application background set is steam power plant or generates high-temperature water industrial exhaust heat field, in the data center field being related to, one
Secondary net supply water temperature is relatively low, and after conventional heat pump, leaving water temperature is usually 45 DEG C or 55 DEG C.In 45 DEG C of primary net inflow temperature
When, identical as secondary network return water temperature, system will be unable to work；
2, higher supply water temperature is needed, generally 90 DEG C or more, applicable occasion is limited, generally the heating tube of steam power plant
Net；
3, by investigation, evaporator with heat pump highest on the market allows inflow temperature to be usually no more than 40 DEG C.
Being disclosed in the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or imply that the information is constituted in any form.
Invention content
The purpose of the present invention is to provide monolithic devices compression heat pump heat-exchange units, to overcome the above-mentioned of the prior art to lack
Point.
To achieve the above object, the present invention provides monolithic devices compression heat pump heat-exchange unit, the monolithic devices compression type heats
Pumping heat-exchange unit includes：Multiple hot-water type compression type heat pump assemblys, multiple water-water heat exchangers and connecting line；Wherein, it connects
Pipeline includes a lateral line and secondary lateral line；Lateral line uses the connection type of sequential series step by step, wherein step by step
The connection type of sequential series is specially：Lateral line passes through multiple water-water heat exchangers and hot-water type compression heat pump successively
The evaporator of the evaporator of unit or the multiple hot-water type compression type heat pump assemblys being serially connected；Secondary lateral line is using parallel connection
Connection type, wherein connection type in parallel is specially：More than two-way secondary lateral line passes through hot-water type compression heat pump respectively
It is merged into all the way after the condenser and water-water heat exchanger of unit, then is communicates directly to heat user or passes through remaining water-water heat exchanger
After be communicated to heat user.
Preferably, in above-mentioned technical proposal, when inflow temperature is in 40 DEG C ~ 50 DEG C, the heat exchange of monolithic devices compression heat pump
Unit includes hot-water type compression type heat pump assembly and connecting line；Connecting line includes a lateral line and secondary lateral line；
Lateral line uses the connection type of sequential series step by step, wherein the connection type of sequential series is specially step by step：Primary side
Pipeline passes through the evaporator of hot-water type compression type heat pump assembly successively, and a lateral line return water mixes drop with a lateral line water inlet
Temperature, and enter the evaporator of hot-water type compression type heat pump assembly.
Preferably, in above-mentioned technical proposal, secondary lateral line uses the connection type of sequential series step by step, wherein step by step
The connection type of sequential series is specially：Secondary lateral line is connected to after the condenser of hot-water type compression type heat pump assembly successively
To heat user.
Preferably, in above-mentioned technical proposal, when inflow temperature is in 55 DEG C or more, a lateral line is using sequence step by step
Concatenated connection type, wherein the connection type of sequential series is specially step by step：Lateral line is changed by each water-water successively
The evaporator of hot-water type compression type heat pump assembly is entered back into after hot device cooling.
Preferably, in above-mentioned technical proposal, monolithic devices compression heat pump heat-exchange unit is mounted on the one of central heating system
In secondary net and secondary network heat exchange station.
Preferably, in above-mentioned technical proposal, heating terminal uses floor heating, fan coil or radiator.
Preferably, in above-mentioned technical proposal, hot-water type compression heat pump heat-exchange unit be separate unit compression heat pump or series connection/
More compression heat pumps in parallel, and compression heat pump is positive displacement compressor or centrifugal compressor.
Compared with prior art, monolithic devices compression heat pump heat-exchange unit of the invention has the advantages that：Due to
The heat-exchange unit of the present invention includes hot-water type compression type heat pump assembly and water-water heat exchanger so that primary net hot water passes through successively
The evaporator of water-water heat exchanger and hot-water type compression type heat pump assembly, by the heat cascade utilization of primary net hot water, to substantially
Degree increases confession, the backwater temperature difference of the primary net hot water of central heating system, so as to the first throwing for greatly reducing pipe-line system
Money and water pump operation power consumption improve system and integrate energy to create condition using heat source low grade heat energy even waste heat etc.
Source utilization ratio reduces heat cost.In addition, the present invention can make once to net hot water backwater's temperature less than the water inlet of secondary network hot water
Temperature, this cannot achieve for usual heat exchanger.Present invention accomplishes specific application fields（For example, steam power plant or
Generate high-temperature water industrial exhaust heat field）Demand.It can be seen that the present invention is changed using heat exchange with compression heat pump complex technique
Heat engine group expands the heat range of heat of central heating for improving pipe network conveying capacity, effective recovery waste heat resource, saves for thermal energy
Consumption, profound significance can be generated by reducing heat cost.
In addition, the present invention the biggest advantage is to can be by a relatively large margin increase central heating system primary side hot water
For, backwater temperature difference, heat supply network return water temperature is greatly lowered, the initial cost and water pump operation electricity of pipe-line system can be greatly reduced
Consumption, and can apply to the specific supply water temperature of steam power plant or industrial exhaust heat field and answered monoblock type heat pump using the conversion of valve
Utilization rate reaches maximum.To create condition using heat source low grade heat energy even waste heat etc., it is to improve
System comprehensive energy utilization ratio, reduces heat cost.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field
Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the flow diagram of the first monolithic devices compression heat pump heat-exchange unit connection type of the invention；
Fig. 2 is the flow diagram of second of monolithic devices compression heat pump heat-exchange unit connection type of the invention.
In attached drawing, parts list represented by the reference numerals are as follows：
1- hot-water type compression type heat pump assemblys；2- water-water heat exchangers.
Specific implementation mode
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to be best understood from the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened completely is communicated to those skilled in the art.
Embodiment 1
Fig. 1 is the flow diagram of the first monolithic devices compression heat pump heat-exchange unit connection type of the invention.Entirety in Fig. 1
Type compression heat pump heat-exchange unit is known as heat-exchange unit A, heat-exchange unit A include two hot-water type compression type heat pump assemblys 1,
Water-water heat exchanger 2 and connecting line.Wherein, connecting line is divided into a lateral line and secondary side（User side）Pipeline two
Point；Lateral line is using the connection type of sequential series step by step, i.e. a lateral line is successively by hot-water type compression heat pump
Unit 1.Primary side return water temperature is mixed with supply water temperature can also reduce supply water temperature, to meet hot-water type compression type heat pump assembly
The requirement for entering coolant-temperature gage and being less than 40 DEG C of middle evaporator；Secondary lateral line is using connection type in parallel, i.e., secondary lateral line warp
The condenser of water type compression heat pump unit 1 is overheated, then this two-way pipeline merges into is communicated to heat user all the way.
Embodiment 2
Fig. 2 is the flow diagram of second of monolithic devices compression heat pump heat-exchange unit connection type of the invention.Entirety in Fig. 2
Type compression heat pump heat-exchange unit is known as heat-exchange unit B, and heat-exchange unit B includes hot-water type compression type heat pump assembly 1, water-water
Heat exchanger 2 and connecting line.Wherein, connecting line is divided into a lateral line and secondary side（User side）Pipeline two parts；One
Secondary lateral line is using the connection type of sequential series step by step, i.e. a lateral line is successively by water-water heat exchanger 2 and hot-water type pressure
The evaporator of contracting formula heat pump unit 1；Secondary lateral line is divided into two-way using connection type in parallel, i.e., secondary lateral line, all the way
By the condenser of hot-water type compression type heat pump assembly 1, another way passes through water-water heat exchanger 2, and then this two-way pipeline merges into
It is communicated to heat user all the way.
The heat-exchange unit B that the heat-exchange unit A and embodiment 2 provided with reference to embodiment 1 is provided illustrates the present invention respectively
The flow applied in certain central heating system.
As shown in Figure 1, the 45 DEG C of secondary network hot water backwaters exported by heat user are divided into two-way and enter heat-exchange unit A；Into
Heat is absorbed in the condenser of hot-water type compression type heat pump assembly 1, heat user is sent to after being heated to 60 DEG C or so outflows.Thus
As it can be seen that heat-exchange unit A provided in this embodiment and heat-exchange unit B by the way of the combination of heat pump-heat exchanger can effectively into
The cascade utilization of row high-temperature-hot-water, realizes the residual heat heating duty requirements of data center module and large power plant, and can produce
Meet heating or the domestic hot-water of requirement.The Integral heat-exchange unit is typically mounted at each heat of large-scale centralized heating system
In power station, especially primary net is used with secondary network heat exchange station, and floor heating, fan coil or radiator can be used in heating terminal
Etc. forms.
As shown in Fig. 2, in actual operation, water-is initially entered by 55 DEG C of primary net hot water water inlets of central heat source output
Water- to-water heat exchanger 2 is used as heat source, heats secondary network hot water；Heat release is flowed after being cooled to 40 DEG C or so from water-water heat exchanger 2
Go out, enters back into the evaporator of hot-water type compression type heat pump assembly 1 as low-grade heat source, heat release is cooled to 30 DEG C or so rear streams
Go out, returns to central heat source, so recycle.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention answers the protection model with claim
Subject to enclosing.
Claims (7)
1. monolithic devices compression heat pump heat-exchange unit, which is characterized in that the monolithic devices compression heat pump heat-exchange unit includes：It is more
A hot-water type compression type heat pump assembly, multiple water-water heat exchangers and connecting line；Wherein, the connecting line includes primary
Lateral line and secondary lateral line；Lateral line uses the connection type of sequential series step by step, wherein the sequence step by step
Concatenated connection type is specially：Lateral line passes through the multiple water-water heat exchanger and the hot-water type pressure successively
The evaporator of the evaporator of contracting formula heat pump unit or the multiple hot-water type compression type heat pump assemblys being serially connected；The secondary side pipe
Road is using connection type in parallel, wherein the connection type of the parallel connection is specially：Two-way secondary lateral line difference described above
It merges into all the way after the condenser of the hot-water type compression type heat pump assembly and the water-water heat exchanger, then is directly connected to
It is communicated to heat user to heat user or after remaining described water-water heat exchanger.
2. monolithic devices compression heat pump heat-exchange unit according to claim 1, which is characterized in that when inflow temperature is in 40
DEG C ~ 50 DEG C when, the monolithic devices compression heat pump heat-exchange unit includes hot-water type compression type heat pump assembly and connecting line；Institute
It includes a lateral line and secondary lateral line to state connecting line；Lateral line uses the connection side of sequential series step by step
Formula, wherein the connection type of the sequential series step by step is specially：Lateral line is compressed by the hot-water type successively
The evaporator of formula heat pump unit, a lateral line return water and lateral line water inlet hybrid cooling, and enter hot water
The evaporator of type compression type heat pump assembly.
3. monolithic devices compression heat pump heat-exchange unit according to claim 2, which is characterized in that the secondary lateral line is adopted
With the connection type of sequential series step by step, wherein the connection type of the sequential series step by step is specially：The secondary lateral line
Successively heat user is communicated to after the condenser of the hot-water type compression type heat pump assembly.
4. monolithic devices compression heat pump heat-exchange unit according to claim 1, which is characterized in that when inflow temperature is in 55
DEG C or more when, the lateral line using sequential series step by step connection type, wherein the connection of the sequential series step by step
Mode is specially：Lateral line enters back into the hot-water type compression after each water-water heat exchanger cooling successively
The evaporator of formula heat pump unit.
5. monolithic devices compression heat pump heat-exchange unit according to claim 1, which is characterized in that the monolithic devices compression
Heat pump heat exchanging units' installation is in the primary net and secondary network heat exchange station of central heating system.
6. monolithic devices compression heat pump heat-exchange unit according to claim 1, which is characterized in that heating terminal uses floor
Heating, fan coil or radiator.
7. monolithic devices compression heat pump heat-exchange unit according to claim 1, which is characterized in that the hot-water type compression
Heat pump heat exchanging unit is separate unit compression heat pump or more compression heat pumps of series/parallel, and the compression heat pump is to hold
Product formula compressor or centrifugal compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810459828.1A CN108506994A (en) | 2018-05-15 | 2018-05-15 | Monolithic devices compression heat pump heat-exchange unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810459828.1A CN108506994A (en) | 2018-05-15 | 2018-05-15 | Monolithic devices compression heat pump heat-exchange unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108506994A true CN108506994A (en) | 2018-09-07 |
Family
ID=63400565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810459828.1A Pending CN108506994A (en) | 2018-05-15 | 2018-05-15 | Monolithic devices compression heat pump heat-exchange unit |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218252A (en) * | 2022-07-11 | 2022-10-21 | 朴瑞(北京)企业管理有限公司 | Intelligent efficient heat exchange system for urban energy-saving heat supply |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012207882A (en) * | 2011-03-30 | 2012-10-25 | Mitsubishi Electric Corp | Hot-water heater |
| CN103673059A (en) * | 2013-11-08 | 2014-03-26 | 清华大学 | Compression-type heat exchanger unit |
| CN107860252A (en) * | 2017-09-28 | 2018-03-30 | 上海柯垓冷却技术有限公司 | Heat-exchange system and heat exchange control |
| CN208222625U (en) * | 2018-05-15 | 2018-12-11 | 中国建筑标准设计研究院有限公司 | Monolithic devices compression heat pump heat-exchange unit |
-
2018
- 2018-05-15 CN CN201810459828.1A patent/CN108506994A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012207882A (en) * | 2011-03-30 | 2012-10-25 | Mitsubishi Electric Corp | Hot-water heater |
| CN103673059A (en) * | 2013-11-08 | 2014-03-26 | 清华大学 | Compression-type heat exchanger unit |
| CN107860252A (en) * | 2017-09-28 | 2018-03-30 | 上海柯垓冷却技术有限公司 | Heat-exchange system and heat exchange control |
| CN208222625U (en) * | 2018-05-15 | 2018-12-11 | 中国建筑标准设计研究院有限公司 | Monolithic devices compression heat pump heat-exchange unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218252A (en) * | 2022-07-11 | 2022-10-21 | 朴瑞(北京)企业管理有限公司 | Intelligent efficient heat exchange system for urban energy-saving heat supply |
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Application publication date: 20180907 |