CN112254364A - Air-cooled screw type low-temperature water chilling unit - Google Patents
Air-cooled screw type low-temperature water chilling unit Download PDFInfo
- Publication number
- CN112254364A CN112254364A CN202011163693.8A CN202011163693A CN112254364A CN 112254364 A CN112254364 A CN 112254364A CN 202011163693 A CN202011163693 A CN 202011163693A CN 112254364 A CN112254364 A CN 112254364A
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- Prior art keywords
- condenser
- filter
- air
- pipe
- screw type
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Classifications
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- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
- F25B1/047—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
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- 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
- F25B39/00—Evaporators; Condensers
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- 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
- F25B41/00—Fluid-circulation arrangements
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses an air-cooled screw type low-temperature water chilling unit which comprises a rack, wherein a connecting frame is arranged on the rack, a condenser is arranged on the connecting frame, a water pipe joint is arranged at one end of the condenser, and a third connecting pipe is arranged on the compressor. The filter is arranged between the condenser and the evaporator, the filter screen is arranged in the filter for secondary filtration while the multiple layers of filter plates are arranged in the filter for filtration, so that the filtration effect of gas in the transmission process is improved, the filter screen in the filter is fixedly connected with the locking nut, and the problem of replacement in the later maintenance process is further solved, so that the maintenance problem of the invention is solved.
Description
Technical Field
The invention relates to the field of water chilling units, in particular to an air-cooled screw type low-temperature water chilling unit.
Background
The screw air-cooled water chilling unit has the advantages that the refrigerating capacity is from 146.7kW to 691kW, the heating capacity is from 153.5kW to 739kW, different load requirements of various occasions are met, the unit structure is compact, the occupied area is small, the pipeline design is simple, and the installation and maintenance are simple and easy. The most advanced 5: the double-screw compressor with 6 tooth ratios and semi-closed inlet has unloading energy controller, and may be used in multistage or stepless energy regulation.
At present, the air-cooled screw type low-temperature water chilling unit has various defects, such as poor filtering effect, unstable flow control and inconvenient flow limiting control in work.
Disclosure of Invention
The invention aims to provide an air-cooled screw type low-temperature water chilling unit to solve the problems of poor filtering effect, unstable flow control and inconvenient flow limiting control in work in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an air-cooled screw type low temperature cooling water set, includes the frame, be provided with the link in the frame, be provided with the condenser on the link, the one end of condenser is provided with water pipe head, the last locking valve that is provided with of water pipe head, the evaporimeter is installed on the top of condenser, the compressor is installed on the top of evaporimeter, be provided with the transmission pipe on the evaporimeter, and the transmission pipe is located the top position of evaporimeter, be provided with the third connecting pipe on the compressor.
Preferably, a throttle valve is installed at one end of the evaporator, a first connecting pipe is installed at one end of the throttle valve, and a filter is installed at one end of the first connecting pipe.
Preferably, a second connecting pipe is installed at the bottom end of the filter and is fixedly connected with the condenser.
Preferably, a condenser pipe is arranged in the condenser, and a fixing frame is arranged on the condenser.
Preferably, a filter plate is arranged in the filter, a filter screen is arranged on the filter plate, and a locking nut is arranged on the filter screen.
Preferably, the throttle valve is provided with a rotating plate, the bottom end of the rotating plate is provided with a ball valve, and the ball valve is rotatably connected with the rotating plate.
Compared with the prior art, the invention has the beneficial effects that: the filter is arranged between the condenser and the evaporator, the filter screen is arranged in the filter for secondary filtration while the multiple layers of filter plates are arranged in the filter for filtration, the filtration effect of gas in the transmission process is improved, the filter screen in the filter is fixedly connected with the locking nut, and the problem of replacement in the later maintenance process is further solved, so that the maintenance problem of the condenser is solved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the throttle valve of the present invention.
Fig. 3 is a schematic structural view of the filter of the present invention.
Fig. 4 is a schematic structural diagram of the filter screen of the present invention.
In the figure: 1. a compressor; 2. a conveying pipe; 3. an evaporator; 4. a throttle valve; 5. a first connecting pipe; 6. a water pipe joint; 7. locking the valve; 8. a second connecting pipe; 9. a filter; 10. a fixed mount; 11. a frame; 12. a connecting frame; 13. a condenser; 14. a condenser tube; 15. a filter plate; 16. a filter screen; 17. locking the nut; 18. rotating the plate; 19. a ball valve; 20. and a third connecting pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 4, in an embodiment of the present invention, an air-cooled screw type low temperature chiller includes a frame 11, a connecting frame 12 is disposed on the frame 11, the connecting frame 12 is used to fix positions of a condenser 13, an evaporator 3 and a compressor 1, the connecting frame 12 is disposed with the condenser 13, the condenser 13 is used for emission and transmission of steam, one end of the condenser 13 is disposed with a water pipe connector 6, the water pipe connector 6 is used to connect an external water source, the water pipe connector 6 is disposed with a locking valve 7, the locking valve 7 is used to control a flow rate of the water pipe connector 6, the top end of the condenser 13 is disposed with the evaporator 3, the evaporator 3 is used for work conversion from a liquid state to a gas state, the top end of the evaporator 3 is disposed with the compressor 1, the compressor 1 is used for pressure transmission, the evaporator 3 is disposed with a transmission pipe 2, the transmission pipe 2 is used for gas transmission, and the transmission pipe 2 is disposed at, the compressor 1 is provided with a third connecting pipe 20, the third connecting pipe 20 is used for gas transmission between the compressor 1 and the condenser 13, one end of the evaporator 3 is provided with a throttle valve 4, the throttle valve 4 is used for flow control, one end of the throttle valve 4 is provided with a first connecting pipe 5, the first connecting pipe 5 is used for connecting a filter 9 and the throttle valve 4, one end of the first connecting pipe 5 is provided with a filter 9, the filter 9 is used for gas transmission, the bottom end of the filter 9 is provided with a second connecting pipe 8, the second connecting pipe 8 is used for transmission connection between the condenser 13 and the filter 9, the second connecting pipe 8 is fixedly connected with the condenser 13, a condensing pipe 14 is arranged in the condenser 13, the condensing pipe 14 is used for rapid homogenization of the temperature in the condenser 13, the condenser 13 is provided with a fixing frame 10, and the fixing frame 10 is used for fixing the, be provided with filter 15 in the filter 9, filter 15 is used for filtering the inside impurity of filter 9, be provided with filter screen 16 on the filter 15, filter screen 16 is used for filtering the inside fine and smooth impurity of filter 9, be provided with lock nut 17 on the filter screen 16, lock nut 17 is used for fixing the position of filter screen 16, be provided with commentaries on classics board 18 on the choke valve 4, it is used for driving globe valve 19 to rotate to change board 18, globe valve 19 is installed to the bottom of changeing board 18, globe valve 19 is used for the inside flow control of choke valve 4, and globe valve 19 rotates with commentaries on classics board 18 and is connected.
The working principle of the invention is as follows: when the device is used, the position of a connecting frame 12 is connected through a rack 11, so that the position of a condenser 13 is fixed through the connecting frame 12, the position of an evaporator 3 is fixedly connected through the connecting frame 12 on the condenser 13, the position of a compressor 1 is fixed through the connecting frame 12 on the evaporator 3, heat in the evaporator 3 is transmitted to the interior of the condenser 13 through a third connecting pipe 20 by the work of the compressor 1, the heat in the evaporator 3 is transmitted to the interior of the condenser 13 through a condensing pipe 14 in the condenser 13, cooling water at the outer end of the condenser is transmitted through a water pipe joint 6 at one end of the condenser 13, the cold and heat exchange of water flow is realized, the flow rate control on the water pipe joint 6 is realized through a locking valve 7 on the water pipe joint 6, the position of a filter 9 is fixed through a fixing frame 10 on the condenser 13, and the filter 9 is connected through, thereby realize gaseous filtration, connect the position of filter screen 16 and filter 15 through the inside lock nut 17 of condenser 13, realize filtration in the gas, be connected through first connecting pipe 5 and choke valve 4, realize gaseous current-limiting in transmission process, the position of ball valve 19 is connected through the commentaries on classics board 18 on the choke valve 4, and then drive ball valve 19 and rotate, realize the control of flow, carry out gaseous transmission to evaporimeter 3 inside through choke valve 4 at last, get into evaporimeter 3 after the choke valve step-down, the revaporization, absorb the heat of the object that is cooled, so cycle and begin and end to cycle, realize the refrigeration effect.
Example two
Referring to fig. 1 and 2, in an embodiment of the present invention, an air-cooled screw type low temperature chiller includes a frame 11, a connecting frame 12 is disposed on the frame 11, the connecting frame 12 is used to fix positions of a condenser 13, an evaporator 3 and a compressor 1, the connecting frame 12 is provided with the condenser 13, the condenser 13 is used for emission and transmission of steam, one end of the condenser 13 is provided with a water pipe connector 6, the water pipe connector 6 is used to connect an external water source, the water pipe connector 6 is provided with a locking valve 7, the locking valve 7 is used to control a flow rate of the water pipe connector 6, the top end of the condenser 13 is provided with the evaporator 3, the evaporator 3 is used for work conversion from a liquid state to a gas state, the top end of the evaporator 3 is provided with the compressor 1, the compressor 1 is used for pressure transmission, the evaporator 3 is provided with a transmission pipe 2, the transmission pipe 2 is used for gas transmission, and the transmission pipe 2 is located at a, the compressor 1 is provided with a third connecting pipe 20, the third connecting pipe 20 is used for gas transmission between the compressor 1 and the condenser 13, one end of the evaporator 3 is provided with a throttle valve 4, the throttle valve 4 is used for flow control, one end of the throttle valve 4 is provided with a first connecting pipe 5, the first connecting pipe 5 is used for connecting a filter 9 and the throttle valve 4, one end of the first connecting pipe 5 is provided with a filter 9, the filter 9 is used for gas transmission, the bottom end of the filter 9 is provided with a second connecting pipe 8, the second connecting pipe 8 is used for transmission connection between the condenser 13 and the filter 9, the second connecting pipe 8 is fixedly connected with the condenser 13, a condensing pipe 14 is arranged in the condenser 13, the condensing pipe 14 is used for rapid homogenization of the temperature in the condenser 13, the condenser 13 is provided with a fixing frame 10, and the fixing frame 10 is used for fixing the, the throttle valve 4 is provided with a rotating plate 18, the rotating plate 18 is used for driving a ball valve 19 to rotate, the ball valve 19 is installed at the bottom end of the rotating plate 18, the ball valve 19 is used for controlling the flow rate inside the throttle valve 4, and the ball valve 19 is rotatably connected with the rotating plate 18.
The working principle of the invention is as follows: when the device is used, the position of a connecting frame 12 is connected through a rack 11, so that the position of a condenser 13 is fixed through the connecting frame 12, the position of an evaporator 3 is fixedly connected through the connecting frame 12 on the condenser 13, the position of a compressor 1 is fixed through the connecting frame 12 on the evaporator 3, heat in the evaporator 3 is transmitted to the interior of the condenser 13 through a third connecting pipe 20 by the work of the compressor 1, the heat in the evaporator 3 is transmitted to the interior of the condenser 13 through a condensing pipe 14 in the condenser 13, cooling water at the outer end of the condenser is transmitted through a water pipe joint 6 at one end of the condenser 13, the cold and heat exchange of water flow is realized, the flow rate control on the water pipe joint 6 is realized through a locking valve 7 on the water pipe joint 6, the position of a filter 9 is fixed through a fixing frame 10 on the condenser 13, and the filter 9 is connected through, thereby realize gaseous filtration, connect the filter through the inside lock nut 17 of condenser 13, realize filtration in the gas, be connected through first connecting pipe 5 and choke valve 4, realize the current-limiting of gas in transmission process, the position of connecting ball valve 19 is carried out through the commentaries on classics board 18 on the choke valve 4, and then drive ball valve 19 and rotate, realize the control of flow, carry out gaseous transmission to inside the evaporimeter 3 through choke valve 4 at last, get into evaporimeter 3 after the throttle valve step-down, the revaporization, absorb the heat of the object that is cooled, so the circulation is gone round and over again, realize the refrigeration effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The air-cooled screw type low-temperature water chilling unit comprises a rack (11) and is characterized in that a connecting frame (12) is arranged on the rack (11), a condenser (13) is arranged on the connecting frame (12), a water pipe connector (6) is arranged at one end of the condenser (13), a locking valve (7) is arranged on the water pipe connector (6), an evaporator (3) is installed at the top end of the condenser (13), a compressor (1) is installed at the top end of the evaporator (3), a transmission pipe (2) is arranged on the evaporator (3), the transmission pipe (2) is located at the top end of the evaporator (3), and a third connecting pipe (20) is arranged on the compressor (1).
2. The air-cooled screw type low-temperature water chilling unit of claim 1, wherein: throttle valve (4) are installed to the one end of evaporimeter (3), first connecting pipe (5) are installed to the one end of throttle valve (4), filter (9) are installed to the one end of first connecting pipe (5).
3. The air-cooled screw type low-temperature water chilling unit of claim 2, wherein: the bottom of filter (9) is installed second connecting pipe (8), and second connecting pipe (8) and condenser (13) fixed connection.
4. The air-cooled screw type low-temperature water chilling unit of claim 1, wherein: a condensation pipe (14) is arranged in the condenser (13), and a fixing frame (10) is arranged on the condenser (13).
5. The air-cooled screw type low-temperature water chilling unit of claim 2, wherein: a filter plate (15) is arranged in the filter (9), a filter screen (16) is arranged on the filter plate (15), and a locking nut (17) is arranged on the filter screen (16).
6. The air-cooled screw type low-temperature water chilling unit of claim 2, wherein: be provided with on choke valve (4) and change board (18), ball valve (19) are installed to the bottom of changeing board (18), and ball valve (19) and change board (18) and rotate and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011163693.8A CN112254364A (en) | 2020-10-27 | 2020-10-27 | Air-cooled screw type low-temperature water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011163693.8A CN112254364A (en) | 2020-10-27 | 2020-10-27 | Air-cooled screw type low-temperature water chilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112254364A true CN112254364A (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011163693.8A Pending CN112254364A (en) | 2020-10-27 | 2020-10-27 | Air-cooled screw type low-temperature water chilling unit |
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| Country | Link |
|---|---|
| CN (1) | CN112254364A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202792668U (en) * | 2012-09-17 | 2013-03-13 | 苏州必信空调有限公司 | Water chilling unit |
| CN104406318A (en) * | 2014-12-24 | 2015-03-11 | 无锡五洋赛德压缩机有限公司 | Minitype screw rod refrigerating unit |
| CN206670105U (en) * | 2017-04-18 | 2017-11-24 | 广东骏太建筑安装有限公司 | A kind of air-cooling screw type cooling-water machine |
| CN109621578A (en) * | 2018-11-28 | 2019-04-16 | 中核新能核工业工程有限责任公司 | A kind of multiple detachable well strainer of vacuum pipe |
| CN209744753U (en) * | 2018-09-06 | 2019-12-06 | 广东零度冷暖科技股份有限公司 | Energy-saving screw type water chiller |
| CN210123208U (en) * | 2019-06-28 | 2020-03-03 | 南京星德机械有限公司 | Water-cooling screw type water chiller |
| CN210663429U (en) * | 2019-07-22 | 2020-06-02 | 佛山市顺德区新致电器有限公司 | High-performance screw type energy-saving water chiller |
| CN210740781U (en) * | 2019-11-13 | 2020-06-12 | 苏州连海制冷科技有限公司 | Explosion-proof cooling water set |
-
2020
- 2020-10-27 CN CN202011163693.8A patent/CN112254364A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202792668U (en) * | 2012-09-17 | 2013-03-13 | 苏州必信空调有限公司 | Water chilling unit |
| CN104406318A (en) * | 2014-12-24 | 2015-03-11 | 无锡五洋赛德压缩机有限公司 | Minitype screw rod refrigerating unit |
| CN206670105U (en) * | 2017-04-18 | 2017-11-24 | 广东骏太建筑安装有限公司 | A kind of air-cooling screw type cooling-water machine |
| CN209744753U (en) * | 2018-09-06 | 2019-12-06 | 广东零度冷暖科技股份有限公司 | Energy-saving screw type water chiller |
| CN109621578A (en) * | 2018-11-28 | 2019-04-16 | 中核新能核工业工程有限责任公司 | A kind of multiple detachable well strainer of vacuum pipe |
| CN210123208U (en) * | 2019-06-28 | 2020-03-03 | 南京星德机械有限公司 | Water-cooling screw type water chiller |
| CN210663429U (en) * | 2019-07-22 | 2020-06-02 | 佛山市顺德区新致电器有限公司 | High-performance screw type energy-saving water chiller |
| CN210740781U (en) * | 2019-11-13 | 2020-06-12 | 苏州连海制冷科技有限公司 | Explosion-proof cooling water set |
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Application publication date: 20210122 |
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| RJ01 | Rejection of invention patent application after publication |