CN102997514A - Water-cooled type low-temperature refrigerant compressor unit with economizer and silencer - Google Patents
Water-cooled type low-temperature refrigerant compressor unit with economizer and silencer Download PDFInfo
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- CN102997514A CN102997514A CN 201110266600 CN201110266600A CN102997514A CN 102997514 A CN102997514 A CN 102997514A CN 201110266600 CN201110266600 CN 201110266600 CN 201110266600 A CN201110266600 A CN 201110266600A CN 102997514 A CN102997514 A CN 102997514A
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Abstract
The invention relates to relates to a thermodynamic cycle device, in particular to a water-cooled type low-temperature refrigerant compressor unit with an economizer and a silencer. The water-cooled type low-temperature refrigerant compressor unit comprises a compressor (1), a condenser (2), an expansion valve A (3) and an evaporator (4). An exhaust outlet (1-2) is sequentially connected with the condenser (2), the expansion valve A (3), the evaporator (4) and an air sucking inlet (1-1), and the economizer (5), the silencer (6), an expansion valve A (7) and a magnetic valve (8) are arranged among the condenser (2), the expansion valve A (3) and an economizer connecting standby port (1-3). An outlet of the condenser (2) is respectively connected with the magnetic valve (8) and a first inlet (5-1), and the magnetic valve (8) is connected with a second inlet (5-2) through the expansion valve B (7). A second outlet (5-4) is connected with the economizer connecting standby port (1-3) through the silencer (6). The water-cooled type low-temperature refrigerant compressor unit has the advantages of being high in energy efficiency and safety.
Description
Technical field
The present invention relates to a kind of thermodynamic cycle device, particularly a kind of water-cooled type low temperature refrigeration compressor bank with economizer and muffler of utilizing refrigeration compressor to realize thermodynamic cycle.
Background technology
China Patent Publication No. CN101089518A discloses a kind of air-cooled water-cooled two-evaporimeter hot-water machine group, it has one by compressor, water cooled condenser, air-cooled evaporimeter, the refrigeration cycle that the water-cooled evaporimeter forms, this loop is provided with controller, compressor connects water cooled condenser by a cross valve, be connected with on the water cooled condenser into, delivery port, water cooled condenser connects heating power expansion valve, the outlet of heating power expansion valve connects respectively water-cooled evaporimeter and air-cooled evaporimeter, the water-cooled evaporimeter be provided with into, delivery port, the water-cooled evaporimeter be connected evaporimeter and connect cross valve, cross valve connects the refrigerant-cycle systems of compressor.It is mainly not enough: energy consumption is high, and efficient is general.
The compression process of helical-lobe compressor is unidirectional, and when rotor, refrigerant vapour is compressed in the teeth groove of phase interlock and is transported to corresponding compression stroke bottom.In this stage, be accompanied by the continuous decrease of element volume, refrigerant vapour is compressed to condensing pressure from pressure of inspiration(Pi).Pressure and the intermediate pressure in the two stages of compression that the connection of helical-lobe compressor economizer is for subsequent use mouthful are quite similar.Connect for subsequent use mouthful for compression end of a period tonifying Qi because these characteristics, helical-lobe compressor can be used economizer, realize larger efficiency.
Economizer can improve the operating mode of compressor, its principle: from the high pressure liquid refrigerant of condenser after entering economizer, be divided into two parts part and further cool off the temperature of going to reduce a cold part by the mode that throttling absorbs the heat expansion of another part, wherein a part of subcooled liquid that settles out directly advances the evaporimeter refrigeration by the propane supplying valve, and the uncooled gaseous propane of another part is by the be communicated with line of economizer with compressor, reenter compressor and continue compression, enter circulation.Its ingenious mode by swell refrigeration is stablized liquid refrigerant, to improve power system capacity and efficient.
Because refrigerant gas periodically at a high speed by suction, exhaust outlet, makes compressor that very large noise be arranged, can cause that simultaneously the pipeline that links to each other with compressor produces vibration, and the situations such as pipeline fracture, leakage often can occur thus.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, provide a kind of efficiency the high and safe water-cooled type low temperature refrigeration compressor bank with economizer and muffler.
For realizing above-mentioned technical purpose, the present invention is by the following technical solutions: a kind of water-cooled type low temperature refrigeration compressor bank with economizer and muffler, it comprises: compressor, condenser, comprise expansion valve A and the evaporimeter of temperature-sensitive bag, compressor is to comprise that suction inlet, air exit and economizer are connected for subsequent use mouthful middle temperature helical-lobe compressor, air exit connects condenser, expansion valve A, evaporimeter and suction inlet successively, the temperature-sensitive bag of expansion valve A is connected between evaporimeter and the suction inlet, wherein:
---also be provided with economizer, the muffler that comprises the first import, the second import, the first outlet and the second outlet, expansion valve B and the magnetic valve that comprises the temperature-sensitive bag between described condenser, expansion valve A and the economizer connection mouth for subsequent use;
---respectively connected electromagnetic valve and first import of outlet of described condenser, magnetic valve is connected with the second import by expansion valve B;
---the first outlet is connected with described expansion valve A, and the second outlet is connected for subsequent use mouthful by muffler and connects with described economizer, and the temperature-sensitive bag of expansion valve B is connected between the second outlet and the muffler.
Further, the outlet of described condenser connects respectively described magnetic valve and the first import by liquid-sighting glass.
Further, establish hand valve B between described air exit and the condenser.
Further, establish hand valve A between described condenser and the liquid-sighting glass.
After adopting technique scheme, the present invention has following beneficial effect:
(1) adopting economizer, expansion valve B, muffler, is compressor compresses end of a period tonifying Qi on the one hand, improves the compressor efficiency, reduces on the other hand the noise and vibration in the compressor, the security that improves whole unit.
(2) establish liquid-sighting glass, the situation of cooling fluid in the convenient observation unit.
(3) establish hand valve B, the operation of the whole unit of convenient control, convenient maintenance.
(4) establish hand valve A, it cooperates with magnetic valve, and flowing of convenient control cold-producing medium improves the performance of whole unit.
Description of drawings
Fig. 1 is schematic diagram of the present invention.
Among the figure: 1, compressor, 1-1, suction inlet, 1-2, air exit, 1-3, economizer connect for subsequent use mouthful, and 2, condenser, 3, expansion valve A, 4, evaporimeter, 5, economizer, 5-1, economizer the first import, 5-2, economizer the second import, 5-3, economizer the first outlet, 5-4, economizer the second outlet, 6, muffler, 7, expansion valve B, 8, magnetic valve, 9, hand valve A, 10, liquid-sighting glass, 11, hand valve B.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment
As shown in Figure 1, a kind of water-cooled type low temperature refrigeration compressor bank with economizer and muffler, it comprises: compressor 1, condenser 2, the expansion valve A3 that comprises the temperature-sensitive bag and evaporimeter 4.
Air exit 1-2 connects condenser 2, expansion valve A3, evaporimeter 4 and suction inlet 1-1 successively, and the temperature-sensitive bag of expansion valve A3 is connected between evaporimeter 4 and the suction inlet 1-1.
The outlet of condenser 2 is connected electromagnetic valve 8 and the first import 5-1 respectively, and magnetic valve 8 is connected with the second import 5-2 by expansion valve B7.
The first outlet 5-3 is connected with expansion valve A3, and the second outlet 5-4 is connected for subsequent use mouthful of 1-3 by muffler 6 and connects with economizer, and the temperature-sensitive bag of expansion valve B7 is connected between the second outlet 5-4 and the muffler 6.
During normal operation, compressor 1 operation, cold-producing medium is back to compressor 1 by condenser 2, economizer 5, expansion valve A3 and evaporimeter 4 successively.When need improving efficiency, opens solenoid valve 8, the part cold-producing medium is connected with muffler by magnetic valve 8, expansion valve B7, economizer 5 and is flowed into compressor 1 economizer and connect for subsequent use mouthful of 1-3, is compressor compresses end of a period tonifying Qi, improves the compressor efficiency.
Noise and pipeline vibration that muffler 6 reduces in the reflux course, the security that improves whole unit.
Be the situation of cooling fluid in the convenient observation unit, the outlet of condenser 2 is by liquid-sighting glass 10 difference connected electromagnetic valve 8 and the first import 5-1.
During normal operation, compressor 1 operation, cold-producing medium is back to compressor 1 by condenser 2, liquid-sighting glass 10, economizer 5, expansion valve A3 and evaporimeter 4 successively.When need improving efficiency, opens solenoid valve 8, the part cold-producing medium is connected with muffler by magnetic valve 8, expansion valve B7, economizer 5 and is flowed into compressor 1 economizer and connect for subsequent use mouthful of 1-3, is compressor compresses end of a period tonifying Qi, improves the compressor efficiency.
Be flowing of convenient control cold-producing medium, the operation of the whole unit of convenient control, convenient maintenance.Establish hand valve B11 between air exit 1-2 and the condenser 2.Establish hand valve A9 between condenser 2 and the liquid-sighting glass 10.
The invention is not restricted to above-described embodiment, the technical scheme that all employings are equal to or the equivalence replacement forms all falls into the protection domain that the present invention requires.
Claims (4)
1. water-cooled type low temperature refrigeration compressor bank with economizer and muffler, it comprises: compressor (1), condenser (2), the expansion valve A(3 that comprises the temperature-sensitive bag) and evaporimeter (4), compressor (1) is to comprise suction inlet (1-1), air exit (1-2) is connected the middle temperature helical-lobe compressor of for subsequent use mouthful (1-3) with economizer, air exit (1-2) connects condenser (2) successively, expansion valve A(3), evaporimeter (4) and suction inlet (1-1), expansion valve A(3) temperature-sensitive bag is connected between evaporimeter (4) and the suction inlet (1-1), it is characterized in that wherein:
---described condenser (2), expansion valve A(3) and economizer connect also to be provided with between for subsequent use mouthful (1-3) comprise that the first import (5-1), the second import (5-2), the first outlet (5-3) and second export economizer (5), the muffler (6) of (5-4), comprise the expansion valve B(7 of temperature-sensitive bag) and magnetic valve (8);
---respectively connected electromagnetic valve (8) and first import (5-1) of outlet of described condenser (2), magnetic valve (8) is by expansion valve B(7) be connected with the second import (5-2);
---the first outlet (5-3) and described expansion valve A(3) be connected, the second outlet (5-4) is connected mouthful (1-3) for subsequent use connection, expansion valve B(7 by muffler (6) with described economizer) the temperature-sensitive bag be connected to second and export between (5-4) and the muffler (6).
2. described water-cooled type low temperature refrigeration compressor bank with economizer and muffler according to claim 1, it is characterized in that: the outlet of described condenser (2) connects respectively described magnetic valve (8) and the first import (5-1) by liquid-sighting glass (10).
3. described water-cooled type low temperature refrigeration compressor bank with economizer and muffler according to claim 1 is characterized in that: establish hand valve B(11 between described air exit (1-2) and the condenser (2)).
4. the water-cooled type low temperature refrigeration compressor bank with economizer and muffler according to claim 2 is characterized in that: establish hand valve A(9 between described condenser (2) and the liquid-sighting glass (10)).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110266600 CN102997514A (en) | 2011-09-09 | 2011-09-09 | Water-cooled type low-temperature refrigerant compressor unit with economizer and silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110266600 CN102997514A (en) | 2011-09-09 | 2011-09-09 | Water-cooled type low-temperature refrigerant compressor unit with economizer and silencer |
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| CN102997514A true CN102997514A (en) | 2013-03-27 |
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| CN 201110266600 Pending CN102997514A (en) | 2011-09-09 | 2011-09-09 | Water-cooled type low-temperature refrigerant compressor unit with economizer and silencer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006583A (en) * | 2014-06-11 | 2014-08-27 | 珠海格力电器股份有限公司 | Air supply method of heat pump system and heat pump system |
| CN105333599A (en) * | 2014-07-08 | 2016-02-17 | 海信（山东）空调有限公司 | Air replenishing and enthalpy increasing air conditioning system |
| CN106662371A (en) * | 2014-08-21 | 2017-05-10 | 丹佛斯有限公司 | A pulsation damper for a vapour compression system |
| CN109668345A (en) * | 2017-10-17 | 2019-04-23 | 艾力集团有限责任公司-卡皮贾尼 | Thermodynamic system, machine and heat treatment method including thermodynamic system |
| CN111810380A (en) * | 2020-06-09 | 2020-10-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencing device, compressor assembly comprising same and refrigerator |
| CN114857809A (en) * | 2022-04-24 | 2022-08-05 | 深圳市亿凌捷科技有限公司 | Control system and control method of electronic expansion valve |
| US11882849B2 (en) | 2017-10-17 | 2024-01-30 | Ali Grouup S.R.L.—Carpigiani | Thermodynamic system, machine comprising the thermodynamic system and thermal treatment method |
-
2011
- 2011-09-09 CN CN 201110266600 patent/CN102997514A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006583A (en) * | 2014-06-11 | 2014-08-27 | 珠海格力电器股份有限公司 | Air supply method of heat pump system and heat pump system |
| CN105333599A (en) * | 2014-07-08 | 2016-02-17 | 海信（山东）空调有限公司 | Air replenishing and enthalpy increasing air conditioning system |
| CN106662371A (en) * | 2014-08-21 | 2017-05-10 | 丹佛斯有限公司 | A pulsation damper for a vapour compression system |
| CN106662371B (en) * | 2014-08-21 | 2019-06-18 | 丹佛斯有限公司 | Pulsation damper for vapor compression system |
| US10612819B2 (en) | 2014-08-21 | 2020-04-07 | Danfoss A/S | Pulsation damper for a vapour compression system |
| CN109668345A (en) * | 2017-10-17 | 2019-04-23 | 艾力集团有限责任公司-卡皮贾尼 | Thermodynamic system, machine and heat treatment method including thermodynamic system |
| CN109668345B (en) * | 2017-10-17 | 2022-05-24 | 艾力集团有限责任公司-卡皮贾尼 | Thermodynamic system, machine comprising a thermodynamic system and method for heat treatment |
| US11882849B2 (en) | 2017-10-17 | 2024-01-30 | Ali Grouup S.R.L.—Carpigiani | Thermodynamic system, machine comprising the thermodynamic system and thermal treatment method |
| CN111810380A (en) * | 2020-06-09 | 2020-10-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencing device, compressor assembly comprising same and refrigerator |
| CN111810380B (en) * | 2020-06-09 | 2022-06-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencing device, compressor assembly comprising same and refrigerator |
| CN114857809A (en) * | 2022-04-24 | 2022-08-05 | 深圳市亿凌捷科技有限公司 | Control system and control method of electronic expansion valve |
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Application publication date: 20130327 |