CN201225784Y - Heat pump plant unit - Google Patents

Heat pump plant unit Download PDF

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Publication number
CN201225784Y
CN201225784Y CNU2008200127144U CN200820012714U CN201225784Y CN 201225784 Y CN201225784 Y CN 201225784Y CN U2008200127144 U CNU2008200127144 U CN U2008200127144U CN 200820012714 U CN200820012714 U CN 200820012714U CN 201225784 Y CN201225784 Y CN 201225784Y
Authority
CN
China
Prior art keywords
shell side
outlet
inlet
condenser
stage compressor
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.)
Expired - Fee Related
Application number
CNU2008200127144U
Other languages
Chinese (zh)
Inventor
于洪海
陈文叶
郭汉玉
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.)
DALIAN REFRIGERATOR Co Ltd
Original Assignee
DALIAN REFRIGERATOR 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 DALIAN REFRIGERATOR Co Ltd filed Critical DALIAN REFRIGERATOR Co Ltd
Priority to CNU2008200127144U priority Critical patent/CN201225784Y/en
Application granted granted Critical
Publication of CN201225784Y publication Critical patent/CN201225784Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a heat pump assembly which comprises a first stage compressor, a condenser and an evaporator, the inlet and the outlet of the first stage compressor are connected through a shell side of the condenser as well as a shell side and a valve of the evaporator. The heat pump assembly is characterized in that a second stage compressor is arranged between the outlet of the first stage compressor and the shell side of the condenser; the outlet of the shell side of the condenser is connected with the inlet of an economizer and the inlet of the evaporator, the liquid outlet of the economizer is connected with the inlet of the shell side of the evaporator, and the vapor outlet of the economizer is connected with the inlet of the second stage compressor; the outlet of the first stage compressor is connected with the shell side of the condenser through the valve; and the outlet of the shell side of the evaporator is connected with the inlet of the second stage compressor through the valve. Actuating medium of the heat pump assembly has higher pressure and temperature when entering the condenser, obviously enhances the heat quantity, and enables the hot water temperature of the heat work condition to reach over 80 DEG C, thereby the utility model has high work efficiency, is more economic and applicable, is not limited by the heat source temperature and can be widely applied to cool/heat supply systems in large areas.

Description

Source pump
Technical field
The utility model relates to a kind of refrigerating and heating combined equipment, and particularly a kind of source pump is mainly used in large area heat supply/cold supply system, for air-conditioning system provides low-temperature receiver or thermal source.
Background technology
Existing water source heat pump units structure is that compressor is arranged, and joins by the shell side of condenser and the shell side and the valve of evaporimeter between the outlet of compressor and the inlet.As heating process, the tube side entrance and exit of condenser is connected with the system of being heated; The tube side entrance and exit of evaporimeter is connected with the feed system of heat source water.In the course of work, cold-producing medium in the evaporimeter shell side absorbs the heat source water heat in the evaporimeter tube side, be evaporated to gas, the gas of evaporation is sucked by compressor and is compressed into the HTHP gas, this HTHP gas is emitted heat in the shell side of condenser, the medium that is heated in the system in the condenser tube side is heated, be condensed into liquid, evaporation heat absorption once more in evaporimeter after the liquid refrigerant throttling, circulate with this, can be with the heat extraction in the heat source water to being heated system, reaching the purpose that heats.Because the restriction of compressor, single-machine capacity is generally little, can not satisfy large area heat supply/cooling requirement, and source pump heating condition hot water effluent temperature can not reach more than 80 ℃ between 45~50 ℃, and it is low to have limited its range of application and efficient.
Summary of the invention
The purpose of this utility model provides the leaving water temperature height that a kind of heating capacity is big, heat, reach as high as more than 80 ℃, be not subjected to thermal source coolant-temperature gage restriction, can be widely used in large area heat supply/cold supply system and have the source pump of characteristics such as energy-efficient, overcome the deficiencies in the prior art.
Source pump of the present utility model, it comprises a stage compressor, condenser and evaporimeter, be connected by the shell side of condenser and the shell side and the valve of evaporimeter between the outlet of one stage compressor and the inlet, it is characterized in that: between the shell side of the outlet of a stage compressor and condenser enters the mouth, be connected to split-compressor; The shell side outlet of condenser connects the inlet of economizer and the shell side inlet of evaporimeter, and the liquid outlet of economizer connects the shell side inlet of evaporimeter, and the gas outlet of economizer is joined with the inlet of split-compressor; The outlet of one stage compressor and the shell side of condenser inlet join by valve; The shell side outlet of evaporimeter is joined by valve with the inlet of split-compressor.
Source pump of the present utility model, the shell side by subcooler between the shell side outlet of wherein said condenser and the inlet of economizer joins; Shell side by subcooler between the shell side outlet of condenser and the shell side inlet of evaporimeter joins; The tube side outlet of subcooler is joined with the tube side inlet of condenser.
Source pump of the present utility model is connected to valve between the outlet of a wherein said stage compressor and the shell side of the evaporimeter inlet; Be connected to valve between the outlet of split-compressor and the shell side of the evaporimeter inlet.
Source pump of the present utility model, wherein said economizer is made up of housing and the filter that is positioned at housing.
Source pump of the present utility model is owing to be connected to split-compressor between the shell side of the outlet of a stage compressor and condenser enters the mouth; The shell side outlet of condenser connects the inlet of economizer and the shell side inlet of evaporimeter, and the liquid outlet of economizer connects the shell side inlet of evaporimeter, and the gas outlet of economizer is joined with the inlet of split-compressor; The outlet of one stage compressor and the shell side of condenser inlet join by valve; The shell side outlet of evaporimeter is joined by valve with the inlet of split-compressor, so the working media of this unit has higher pressure and temperature when entering condenser, the hot leaving water temperature of heating condition can be reached more than 80 ℃, high efficiency, more economical more suitable, not limited by heat source temperature, can be widely used in large area cold/heat supply system.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment.
The specific embodiment
As shown in the figure: 19 is a stage compressor, the 20th, and with the motor that a stage compressor 19 joins, the outlet of a stage compressor 19 connects check-valves 18, stop valve 17, and stop valve 17 joins with the inlet of split-compressor 15, and 16 is the motor that joins with split-compressor 15;
The outlet of split-compressor 15 is joined by the shell side inlet of check-valves 13, stop valve and condenser 12, and the shell side outlet of condenser 12 is joined with the shell side inlet of subcooler 8; The shell side outlet of subcooler 8 connects control valve 5, and control valve 5 connects stop valve 4, and stop valve 4 joins with the inlet 3 of economizer 30, and the gas outlet of economizer 30 connects stop valve 29, and stop valve 29 is connected between check-valves 18 and the stop valve 17; The liquid outlet of economizer 30 connects control valve 2, and control valve 2 connects angle valve 25, and angle valve 25 joins with the shell side inlet of evaporimeter 24.The tube side outlet 28 of subcooler 8 is joined with the tube side inlet 14 of condenser 12.
Control valve 5 also connects stop valve 1, and stop valve 1 joins with angle valve 25.
The shell side outlet of evaporimeter 24 connects stop valve 21, and the inlet of a stop valve 21 and a stage compressor joins.The shell side outlet of evaporimeter 24 connects stop valve 31, and stop valve 31 joins with the inlet of split-compressor 15.Connect stop valve 11 between check-valves 18 and stop valve 17, stop valve 11 joins with the shell side inlet of condenser 12.
Between the outlet of a stage compressor 19 and angle valve 25, be serially connected with stop valve 27 and control valve 26 and form the bypass of a stage compressor 19; Between the outlet of split-compressor 15 and angle valve 25, be serially connected with stop valve 9 and control valve 6 and form the bypass of split-compressors 15.
Described economizer 30 is made up of shell and the filter that is positioned at shell, filter above gas export and the inlet 3 of economizer 30 between.
The course of work is as follows: under heating condition, stop valve 31, stop valve 11, stop valve 1 all is in closed condition, stop valve 21, stop valve 17, control valve 5, stop valve 4, control valve 2, angle valve 25, stop valve 29 all is in opening state, outlet 22 of evaporimeter tube side and evaporimeter tube side inlet 23 join with the heat source water system, the tube side inlet 7 of outlet 10 of the tube side of condenser 12 and subcooler 8 be heated system and join, working media absorbs the heat of evaporimeter 24 tube side endogenous pyrogen water in the shell side of evaporimeter 24, the gas that flashes to the gas evaporation is compressed into the gas of HTHP in stop valve 21 enters a stage compressor 19, the HTHP gas is again through check-valves 18, stop valve 17 enters further compression in the split-compressor 15, through the HTHP gas of split-compressor 15 compression in check-valves 13 enters the shell side of condenser 12, carry out heat exchange with the heated medium in the tube side of condenser 12, promptly provide heat to the system of being heated, be condensed into liquid; Condensed refrigerant liquid enters in the shell side of subcooler 8 again, in the cold heat release of this further mistake; Cross the refrigerant liquid after cold, enter in the economizer 30 through control valve 5, stop valve 4, a small amount of gas directly enters in the split-compressor 15 through the gas outlet of economizer 30 and stop valve 29 and compresses; Liquid medium enters in the shell side of evaporimeter 24 through liquid outlet and control valve 2, the angle valve 25 of economizer 30, in this heat absorption evaporation, circulates with this, the heat in the heat source water can be offered the working media of the system of being heated, and reaches the purpose that heats.
Under cooling condition: stop valve 17 is closed, control valve 5 is opened, stop valve 1 is opened, angle valve 25 is opened, stop valve 21 is opened, stop valve 29 is closed, stop valve 4 is closed, control valve 2 is closed, stop valve 11 is opened, stop valve 31 is opened, make a stage compressor 19 and split-compressor 15 be in state in parallel, economizer 30 is in off position, the refrigerant liquid bulk absorption evaporator shell journey heat of medium that is cooled in the evaporimeter 24, gasification is the low-temp low-pressure gas, by a stage compressor 19, after split-compressor 15 sucks, be compressed to the gas of HTHP, in condenser 12 with condenser 12 tube sides in cooling water carry out heat exchange, high-temperature high-pressure refrigerant liquid is condensed into liquid after emitting heat, condensed refrigerant liquid in subcooler 8 by cold excessively, the refrigerant liquid of crossing after cold is low-temperature low-pressure refrigerant liquid by control valve 5 by throttling, the low-temperature low-pressure refrigerant liquid that enters evaporimeter 24 absorbs the heat of the liquid of the medium that is cooled in the evaporimeter tube side, has reduced the temperature of the medium that is cooled, and gasification simultaneously is refrigerant vapour, once more by a stage compressor 19, split-compressor 15 sucks, and finishes kind of refrigeration cycle.

Claims (4)

1, a kind of source pump, it comprises a stage compressor (19), condenser (12) and evaporimeter (24), be connected by the shell side of condenser (12) and the shell side and the valve of evaporimeter (24) between the outlet of one stage compressor (19) and the inlet, it is characterized in that: between the shell side of the outlet of a stage compressor (19) and condenser (12) enters the mouth, be connected to split-compressor (15); The shell side outlet of condenser (12) connects the inlet (3) of economizer (30) and the shell side inlet of evaporimeter (24), the liquid outlet of economizer (30) connects the shell side inlet of evaporimeter (24), and the gas outlet of economizer (30) is joined with the inlet of split-compressor (15); The shell side inlet of the outlet of one stage compressor (19) and condenser (12) joins by valve; The shell side outlet of evaporimeter (24) is joined by valve with the inlet of split-compressor (15).
2, source pump according to claim 1 is characterized in that: the shell side by subcooler (8) between the shell side outlet of described condenser (12) and the inlet (3) of economizer (30) joins; Shell side by subcooler (8) between the shell side outlet of condenser (12) and the shell side inlet of evaporimeter (24) joins; The tube side outlet of subcooler (8) is joined with the tube side inlet of condenser (12).
3, source pump according to claim 2 is characterized in that: be connected to valve between the shell side inlet of the outlet of a described stage compressor (19) and evaporimeter (24); Be connected to valve between the shell side inlet of the outlet of split-compressor (15) and evaporimeter (24).
4, source pump according to claim 3 is characterized in that: described economizer (30) is made up of housing and the filter that is positioned at housing.
CNU2008200127144U 2008-05-16 2008-05-16 Heat pump plant unit Expired - Fee Related CN201225784Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200127144U CN201225784Y (en) 2008-05-16 2008-05-16 Heat pump plant unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200127144U CN201225784Y (en) 2008-05-16 2008-05-16 Heat pump plant unit

Publications (1)

Publication Number Publication Date
CN201225784Y true CN201225784Y (en) 2009-04-22

Family

ID=40598676

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200127144U Expired - Fee Related CN201225784Y (en) 2008-05-16 2008-05-16 Heat pump plant unit

Country Status (1)

Country Link
CN (1) CN201225784Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101915477A (en) * 2010-07-01 2010-12-15 大连三洋压缩机有限公司 Novel energy-saving refrigerating unit and working method thereof
CN101625176B (en) * 2009-07-30 2011-01-19 天津商业大学 Quasi-tertiary compressed air source hot pump system
CN105526735A (en) * 2015-12-25 2016-04-27 徐英杰 High-efficiency big-temperature rise heat pump water heater with two stages of throttling and two stages of compression

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101625176B (en) * 2009-07-30 2011-01-19 天津商业大学 Quasi-tertiary compressed air source hot pump system
CN101915477A (en) * 2010-07-01 2010-12-15 大连三洋压缩机有限公司 Novel energy-saving refrigerating unit and working method thereof
CN105526735A (en) * 2015-12-25 2016-04-27 徐英杰 High-efficiency big-temperature rise heat pump water heater with two stages of throttling and two stages of compression
CN105526735B (en) * 2015-12-25 2018-12-21 苏州热火能源科技有限公司 A kind of efficient big temperature rise two-stage throttling two stages of compression heat pump water-heating machine

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090422

Termination date: 20170516