CN210512226U - Low-temperature screw water chilling unit with waste liquid circulation - Google Patents
Low-temperature screw water chilling unit with waste liquid circulation Download PDFInfo
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- CN210512226U CN210512226U CN201921600411.9U CN201921600411U CN210512226U CN 210512226 U CN210512226 U CN 210512226U CN 201921600411 U CN201921600411 U CN 201921600411U CN 210512226 U CN210512226 U CN 210512226U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a low temperature screw rod cooling water set with waste liquid circulation, including automatically controlled cabinet and evaporimeter, the left side outward appearance wall of automatically controlled cabinet is provided with the control screen, and the right-hand member of automatically controlled cabinet is provided with screw compressor, screw compressor's left side upper end is provided with the exhaust stop valve, and the right side of exhaust stop valve is provided with the motor terminal box, screw compressor's right-hand member is connected with the low-pressure muffler, and screw compressor's lower extreme is fixed with the protection frame, the evaporimeter sets up in the inside inboard of protection frame, and the outside of evaporimeter is provided with the condenser, the right side upper end of condenser is connected with drying filter, and drying filter's right-hand member is. This low temperature screw rod cooling water machine group with waste liquid circulation is provided with the back flow, can let in the low pressure muffler with the water after accomplishing the cooling to along with the high temperature high-pressure gas entering evaporimeter of discharging in the screw compressor, directly participate in cold water refrigeration flow, effectively reduce water resource loss like this.
Description
Technical Field
The utility model relates to a cold water machine technical field specifically is a low temperature screw rod cooling water set with waste liquid circulation.
Background
The screw type water chiller is commonly called a refrigerator, a refrigerating machine, an ice water machine, a water freezing machine, a cooling machine and the like, and has more names due to the wide use of various industries, the screw type water chiller is a multifunctional machine, the property principle of the screw type water chiller is that the screw type water chiller removes liquid vapor through compression or heat absorption type refrigeration circulation, the steam compression water chiller comprises four main components of a steam compression type refrigeration circulation compressor, an evaporator, a condenser and a part of metering devices, so that different refrigerants are realized, the absorption water chiller utilizes water as the refrigerant and depends on the water and the lithium bromide solution between the water and the lithium bromide to achieve strong affinity of refrigeration effect.
The screw water-cooling machine in the market needs to use a large amount of cooling water, can cause water resource waste, increases the problem of the use cost of screw water-cooling machine, and for this reason, we provide a low temperature screw rod cooling water set with waste liquid circulation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low temperature screw rod cooling water set with waste liquid circulation to the screw water-cooling machine who proposes in solving above-mentioned background art need use a large amount of cooling water, can cause the water waste, increases screw water-cooling machine's use cost's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low temperature screw rod cooling water set with waste liquid circulation, includes automatically controlled cabinet and evaporimeter, the left side outward appearance wall of automatically controlled cabinet is provided with the control screen, and the right-hand member of automatically controlled cabinet is provided with screw compressor, screw compressor's left side upper end is provided with the exhaust stop valve, and the right side of exhaust stop valve is provided with the motor terminal box, screw compressor's right-hand member is connected with the low-pressure muffler, and screw compressor's lower extreme is fixed with the protection frame, the evaporimeter sets up in the inside inboard of protection frame, and the outside of evaporimeter is provided with the condenser, the right side upper end of condenser is connected with drying filter, and drying filter's.
Preferably, a communicating structure is formed between the screw compressor and the low-pressure air return pipe, and the screw compressor is movably connected with the protective frame.
Preferably, the evaporator comprises a chilled water inlet and a chilled water outlet, the left end of the evaporator is provided with the chilled water inlet, and the right end of the evaporator is provided with the chilled water outlet.
Preferably, the interior of the evaporator is of a hollow structure, and the evaporator, the chilled water inlet and the chilled water outlet are communicated with each other.
Preferably, the condenser comprises a cooling water outlet, a cooling water inlet and a return pipe, the cooling water outlet is arranged below the left end of the condenser, the cooling water inlet is arranged above the cooling water outlet, and the return pipe is connected to the left end of the cooling water outlet.
Preferably, the condenser is movably connected with the protection frame, and the return pipe, the cooling water outlet and the low-pressure return pipe form a communicating structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the low-temperature screw water chiller with waste liquid circulation is provided with the protective frame, the connecting structure between the low-temperature screw water chillers in the current market is generally only connected by simple welding parts, so that the structural stability is low, and the protective effect is not achieved;
2. the evaporator is used as an important component of the low-temperature screw water chilling unit and plays a very important role in the refrigeration process, a chilled water inlet and a chilled water outlet on the evaporator on the market are respectively arranged at the lower end and the upper end of the evaporator, the design is not reasonable, and the chilled water inlet and the chilled water outlet are arranged at the left end and the right end of the evaporator by the device, so that chilled water can be discharged more quickly;
3. the low temperature screw rod cold water machine on the existing market needs a large amount of cooling water to cool off to the machine is inside, leads to the cold water machine to use and can cause a large amount of water resource losses, and the device is provided with the back flow, can let in the low pressure muffler with the water after accomplishing the cooling to along with the interior discharged high temperature high-pressure gas entering evaporimeter of screw compressor, directly participate in cold water refrigeration flow, effectively reduce water resource loss like this.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
fig. 3 is a schematic view of the top view structure of the present invention.
In the figure: 1. an electric control cabinet; 2. a control screen; 3. a screw compressor; 4. an exhaust stop valve; 5. a motor junction box; 6. a low-pressure return air pipe; 7. a protective frame; 8. an evaporator; 801. a chilled water inlet; 802. a chilled water outlet; 9. a condenser; 901. a cooling water outlet; 902. a cooling water inlet; 903. a return pipe; 10. drying the filter; 11. an expansion valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a low-temperature screw water chilling unit with waste liquid circulation comprises an electric control cabinet 1, a control screen 2, a screw compressor 3, an exhaust stop valve 4, a motor junction box 5, a low-pressure air return pipe 6, a protective frame 7, an evaporator 8, a chilled water inlet 801, a chilled water outlet 802, a condenser 9, a cooling water outlet 901, a cooling water inlet 902, a return pipe 903, a drying filter 10 and an expansion valve 11, wherein the control screen 2 is arranged on the outer wall of the left side of the electric control cabinet 1, the screw compressor 3 is arranged at the right end of the electric control cabinet 1, the exhaust stop valve 4 is arranged at the upper end of the left side of the screw compressor 3, the motor junction box 5 is arranged on the right side of the exhaust stop valve 4, the low-pressure air return pipe 6 is connected to the right end of the screw compressor 3, the protective frame 7 is fixed to the lower end of the screw compressor 3, the evaporator, the upper end of the right side of the condenser 9 is connected with a dry filter 10, and the right end of the dry filter 10 is provided with an expansion valve 11;
the screw compressor 3 and the low-pressure air return pipe 6 form a communicating structure, the screw compressor 3 is movably connected with the protective frame 7, the low-temperature screw water chilling unit with waste liquid circulation is provided with the protective frame 7, the connecting structure between the low-temperature screw water chilling units in the current market is generally only connected by simple welding parts, the structural stability is low, and the protective effect is not achieved, the protective frame 7 is adopted in the device, the weight of each part can be borne, and the device can have certain impact resistance;
the evaporator 8 comprises a chilled water inlet 801 and a chilled water outlet 802, the left end of the evaporator 8 is provided with the chilled water inlet 801, the right end of the evaporator 8 is provided with the chilled water outlet 802, the inside of the evaporator 8 is of a hollow structure, and the evaporator 8, the chilled water inlet 801 and the chilled water outlet 802 form a communication structure, the evaporator 8 is used as an important component of a low-temperature screw water chilling unit and plays an important role in the refrigeration process, the chilled water inlet 801 and the chilled water outlet 802 on the evaporator 8 in the market are respectively arranged at the lower end and the upper end of the evaporator 8, the design is not reasonable, and the chilled water inlet 801 and the chilled water outlet 802 are arranged at the left end and the right end of the evaporator 8, so that chilled water can be discharged more quickly;
the condenser 9 includes a cooling water outlet 901, a cooling water inlet 902 and a return pipe 903, and a cooling water outlet 901 is provided below the left end of the condenser 9, a cooling water inlet 902 is provided above the cooling water outlet 901, and the left end of the cooling water outlet 901 is connected with a return pipe 903, the condenser 9 is movably connected with the protective frame 7, and the return pipe 903, the cooling water outlet 901 and the low-pressure return pipe 6 are all in a communicating structure, so that the low-temperature screw water chiller in the current market needs a large amount of cooling water to cool the interior of the chiller, which causes a large amount of water resource loss when the chiller is used, the device is provided with a return pipe 903, which can lead the cooled water into a low-pressure return pipe 6, and high-temperature and high-pressure gas discharged from the screw compressor 3 enters the evaporator 8 and directly participates in a cold water refrigeration process, so that the water resource loss is effectively reduced.
The working principle is as follows: for the low-temperature screw water chilling unit with waste liquid circulation, firstly, the screw water chilling unit is named as a screw water chilling unit because a compressor which is a key component of the screw water chilling unit is a screw compressor 3, and the state of the unit from an evaporator 8 is a gaseous refrigerant; the gas is adiabatically compressed by the screw compressor 3 to become a high-temperature high-pressure state, the compressed gas refrigerant enters the condenser 9, is cooled and condensed under the state of unchanged pressure, the condensed gas refrigerant is liquefied into a liquid refrigerant, and is expanded to low pressure by the expansion valve 11, a part of liquid is gasified, the liquid refrigerant becomes a gas-liquid mixture, wherein the liquid refrigerant under low temperature and low pressure absorbs the heat of a cooled substance in the evaporator 8 and is changed into a gaseous refrigerant again, the gaseous refrigerant enters the screw compressor 3 again through a pipeline to start a new cycle, namely four processes of a refrigeration cycle, the refrigeration principle of the screw water cooler on the market at present follows the flow, but as the cooling water does not have a certain recovery mechanism after being discharged, a great part of cooling water is lost in the process of cooling water, and the novel screw water cooler avoids the situation, the return pipe 903 is connected to the cooling water outlet 901, so that the cooling water directly enters the low-pressure return pipe 6 through the return pipe 903 after being discharged, and reaches the interior of the evaporator 8 for refrigeration, thereby effectively recovering the cooling water, avoiding waste of water resources, and completing the use process of the whole low-temperature screw water chilling unit with waste liquid circulation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a low temperature screw rod cooling water set with waste liquid circulation, includes automatically controlled cabinet (1) and evaporimeter (8), its characterized in that: the utility model discloses a solar water heater, including automatically controlled cabinet (1), electric control cabinet (8), motor, protection frame (7), evaporimeter (8), and the outside of evaporimeter (8) is provided with condenser (9), the right side upper end of condenser (9) is connected with dry filter (10), and the right-hand member of dry filter (10) is provided with expansion valve (11), and the right-hand member of automatically controlled cabinet (1) is provided with screw compressor (3), the left side upper end of screw compressor (3) is provided with exhaust stop valve (4), and the right side of exhaust stop valve (4) is provided with motor terminal box (5), the right-hand member of screw compressor (3) is connected with low pressure muffler (6), and the lower extreme of screw compressor (3) is fixed with protection frame (7), evaporimeter (8) set up in the.
2. The low-temperature screw water chilling unit with waste liquid circulation function according to claim 1, is characterized in that: a communicating structure is formed between the screw compressor (3) and the low-pressure air return pipe (6), and the screw compressor (3) is movably connected with the protective frame (7).
3. The low-temperature screw water chilling unit with waste liquid circulation function according to claim 1, is characterized in that: the evaporator (8) comprises a chilled water inlet (801) and a chilled water outlet (802), the left end of the evaporator (8) is provided with the chilled water inlet (801), and the right end of the evaporator (8) is provided with the chilled water outlet (802).
4. The low-temperature screw water chilling unit with waste liquid circulation function according to claim 3, characterized in that: the interior of the evaporator (8) is of a hollow structure, and the evaporator (8) and the chilled water inlet (801) and the chilled water outlet (802) form a communicating structure.
5. The low-temperature screw water chilling unit with waste liquid circulation function according to claim 1, is characterized in that: the condenser (9) comprises a cooling water outlet (901), a cooling water inlet (902) and a return pipe (903), the cooling water outlet (901) is arranged below the left end of the condenser (9), the cooling water inlet (902) is arranged above the cooling water outlet (901), and the return pipe (903) is connected to the left end of the cooling water outlet (901).
6. The low-temperature screw water chilling unit with waste liquid circulation function according to claim 5, is characterized in that: the condenser (9) is movably connected with the protective frame (7), and a communicating structure is formed among the return pipe (903), the cooling water outlet (901) and the low-pressure return pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921600411.9U CN210512226U (en) | 2019-09-25 | 2019-09-25 | Low-temperature screw water chilling unit with waste liquid circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921600411.9U CN210512226U (en) | 2019-09-25 | 2019-09-25 | Low-temperature screw water chilling unit with waste liquid circulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210512226U true CN210512226U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921600411.9U Active CN210512226U (en) | 2019-09-25 | 2019-09-25 | Low-temperature screw water chilling unit with waste liquid circulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210512226U (en) |
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2019
- 2019-09-25 CN CN201921600411.9U patent/CN210512226U/en active Active
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Effective date of registration: 20230505 Address after: 239000 Green Coatings Supporting Industry Park, Mingguang City, Chuzhou City, Anhui Province, west of New 104 National Highway and south of Jinmingyuan Board Industry Factory Patentee after: Anhui Norland Technology Co.,Ltd. Address before: 2nd Floor, No. 9 Shengtang (Hangzhou Original Seed Farm), Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province, 311115 Patentee before: HANGZHOU NUOLAN MACHINERY EQUIPMENT Co.,Ltd. |