CN217541151U - Water-cooled efficient energy-saving variable-frequency condensing unit - Google Patents
Water-cooled efficient energy-saving variable-frequency condensing unit Download PDFInfo
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- CN217541151U CN217541151U CN202221597565.9U CN202221597565U CN217541151U CN 217541151 U CN217541151 U CN 217541151U CN 202221597565 U CN202221597565 U CN 202221597565U CN 217541151 U CN217541151 U CN 217541151U
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Abstract
The utility model discloses a water-cooled high-efficiency energy-saving variable-frequency condensing unit, which comprises a tank body and a condensing mechanism; a tank body: a first mounting plate is arranged at the left end of the outer cambered surface of the tank body, a compressor is arranged on the upper surface of the first mounting plate, a connecting pipeline is arranged between an air outlet of the compressor and an air inlet of the tank body, a liquid discharge pipeline is arranged at a liquid discharge port at the right end of the tank body, and a second mounting plate is arranged at the right end of the outer cambered surface of the tank body; condensation mechanism: the lower end of the condensing mechanism is positioned in the tank body; wherein: still include the PLC controller, the PLC controller sets up in the upper surface of first mounting panel, the input electricity of PLC controller is connected in external power source, the input electricity of compressor is connected in the output of PLC controller, this water-cooled energy-efficient frequency conversion condensation unit reduces the expenditure of the energy, makes cooling water and steam carry out more abundant heat transfer, improves the utilization efficiency of cooling water, makes more even of heat transfer effect, improves heat exchange efficiency.
Description
Technical Field
The utility model relates to a condensing engine technical field specifically is a water-cooled energy-efficient frequency conversion condensing unit.
Background
The compression condensing unit is an equipment device consisting of one or more refrigeration compressors, a condenser and necessary auxiliary equipment, and can be divided into a water-cooled type and an air-cooled type according to the cooling mode, the compressor sucks working medium steam with lower pressure from an evaporator, the working medium steam is sent into the condenser after the pressure of the working medium steam is increased, the working medium steam is condensed into liquid with higher pressure in the condenser, and the refrigeration cycle is conveniently completed, wherein the water-cooled condensing unit is equipment which uses water as a cooling medium and condenses a high-temperature and high-pressure gaseous refrigerant; in the prior art, cooling water used in a water-cooled condensing unit can flow through once or can be recycled, and when circulating water is used, a cooling water tower or a cooling water pool needs to be built so that water leaving a condenser is recooled for reuse; however, when some water-cooled condensing units are used, the heat exchange between cooling water and steam is not uniform enough, the condensing efficiency is affected, the working power of a water pump cannot be changed along with the change of the steam temperature, the energy consumption is increased, the temperature difference between the steam and the cooling water is gradually reduced along with the condensation, the heat exchange is finished when the cooling water does not fully absorb heat, and the cooling water cannot be fully utilized.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a water-cooled energy-efficient variable frequency condensation unit, reduce the expenditure of the energy, reduce the energy consumption, reduce the steam and cause the influence to the cooling water heat absorption capacity after reducing with the cooling water difference in temperature, improve the utilization efficiency of cooling water, make more even of heat transfer effect, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a water-cooled high-efficiency energy-saving variable-frequency condensing unit comprises a tank body and a condensing mechanism;
a tank body: a first mounting plate is arranged at the left end of the outer cambered surface of the tank body, a compressor is arranged on the upper surface of the first mounting plate, a connecting pipeline is arranged between an air outlet of the compressor and an air inlet of the tank body, a liquid discharge pipeline is arranged at a liquid discharge port at the right end of the tank body, and a second mounting plate is arranged at the right end of the outer cambered surface of the tank body;
condensation mechanism: the lower end of the condensing mechanism is positioned in the tank body;
wherein: still include the PLC controller, the PLC controller sets up in the upper surface of first mounting panel, the input electricity of PLC controller is connected in external power source, the input electricity of compressor is connected in the output of PLC controller, can change the operating power of unit water pump, reduce the expenditure of the energy, reduce to cause the influence to the cooling water heat absorption capacity after steam and the cooling water difference in temperature reduce, make cooling water and steam carry out more abundant heat transfer, improve the utilization efficiency of cooling water, heat transfer effect more even simultaneously, and the heat exchange efficiency is improved.
Further, condensation mechanism includes spiral heat exchange tube, reposition of redundant personnel pipeline and the pipeline that converges, the reposition of redundant personnel pipeline is located the front side of the jar body, and the pipeline that converges is located the rear side of the jar body, and the right-hand member of the pipeline that converges is open structure, and reposition of redundant personnel pipeline and converge and be equipped with spiral heat exchange tube between the pipeline respectively, and spiral heat exchange tube is located the inside of the jar body respectively, and the through-hole of jar external cambered surface is passed respectively at both ends around the spiral heat exchange tube, carries out the condensation to steam.
Further, condensation mechanism still includes the water pump, the water pump sets up in the upper surface of second mounting panel, and the outlet conduit lower extreme and the reposition of redundant personnel pipeline of water pump are linked together, and the input electricity of water pump is connected in the output of PLC controller, provides power for the flow of cooling water.
Furthermore, the condensing mechanism further comprises a frequency converter, the frequency converter is arranged on the upper surface of the second mounting plate, and the frequency converter is connected in series between the input end of the water pump and the output end of the PLC controller to change the working power of the water pump.
Furthermore, the spiral heat exchange tubes are conical spiral heat exchange tubes, the diameters of the tube bodies of the spiral heat exchange tubes are gradually increased in a stepped manner from left to right, and cooling water and steam can exchange heat more fully.
Further, the left end of the tank body is provided with a temperature sensor, and the output end of the temperature sensor is electrically connected to the input end of the PLC controller to detect the initial temperature of the steam.
Furthermore, the outer cambered surface lower extreme of jar body is equipped with the base respectively, provides the support for the integrated device.
Compared with the prior art, the beneficial effects of the utility model are that: this water-cooled energy-efficient frequency conversion condensation unit has following benefit:
the compressor is started through the PLC, low-pressure steam is converted into high-pressure steam and then is guided into the tank body through the connecting pipeline, the water pump is started simultaneously, external cooling water is enabled to enter the spiral heat exchange tubes respectively, heat exchange is conducted with the steam in the tank body, the steam is condensed, the spiral heat exchange tubes are conical spiral heat exchange tubes, the cooling water can exchange heat with the steam more uniformly, the heat exchange efficiency is improved, the flow speed of the water flow in the spiral heat exchange tubes is decreased stepwise from left to right along with the rightward flow of the steam in the tank body, the temperature of the steam is decreased gradually, the temperature difference between the cooling water and the steam is decreased gradually, the heat exchange efficiency is reduced, meanwhile, the diameter of the tube body of each spiral heat exchange tube is increased in a stepped mode from left to right, under the condition that the working power of the water pump is kept unchanged, the heat exchange time of the cooling water and the steam is prolonged, the water flow speed in all the spiral heat exchange tubes is adjusted, the heat exchange efficiency of the water pump can be changed, the energy consumption of the cooling water is reduced, meanwhile, the frequency converter is started according to the initial temperature of the steam is reduced, the working power of the water pump is adjusted, the heat exchange efficiency of the cooling water is improved, and the heat exchange efficiency of the heat exchange efficiency is improved more uniform heat exchange efficiency is improved, and the heat exchange efficiency of the cooling water is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the inside of the tank body of the present invention.
In the figure: 1 tank body, 2 first mounting plates, 3 compressor, 4 connecting pipes, 5 liquid discharge pipes, 6 second mounting plates, 7 condensing mechanism, 71 spiral heat exchange pipes, 72 shunt pipes, 73 confluence pipes, 74 water pump, 75 frequency converter, 8 temperature sensor, 9PLC controller and 10 base.
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. 1-2, the present embodiment provides a technical solution: a water-cooled high-efficiency energy-saving variable-frequency condensing unit comprises a tank body 1 and a condensing mechanism 7;
1, tank body: the left end of the outer arc surface of the tank body 1 is provided with a first mounting plate 2 which provides support for the installation of electrical components, the upper surface of the first mounting plate 2 is provided with a compressor 3 which converts low-pressure steam into high-pressure steam, a connecting pipeline 4 is arranged between the air outlet of the compressor 3 and the air inlet of the tank body 1 so as to facilitate the high-pressure steam to enter the tank body 1, a liquid discharge pipeline 5 is arranged at the liquid discharge port at the right end of the tank body 1 so as to facilitate the discharge of condensed liquid, the right end of the outer arc surface of the tank body 1 is provided with a second mounting plate 6 which provides support for the installation of a condensing mechanism 7, the left end of the tank body 1 is provided with a temperature sensor 8, the output end of the temperature sensor 8 is electrically connected with the input end of a PLC (programmable logic controller) 9 so as to detect the temperature of the steam entering the tank body 1, and the lower end of the outer arc surface of the tank body 1 is respectively provided with a base 10 which provides support for the whole device;
the condensation mechanism 7: the condensing mechanism 7 is arranged on the upper surface of the second mounting plate 6, the lower end of the condensing mechanism 7 is positioned inside the tank body 1, the condensing mechanism 7 comprises a spiral heat exchange pipe 71, a flow distribution pipeline 72 and a flow convergence pipeline 73, the flow distribution pipeline 72 is positioned on the front side of the tank body 1, the flow convergence pipeline 73 is positioned on the rear side of the tank body 1, the right end of the flow convergence pipeline 73 is of an open structure, spiral heat exchange pipes 71 are respectively arranged between the flow distribution pipeline 72 and the flow convergence pipeline 73, the spiral heat exchange pipes 71 are respectively positioned inside the tank body 1, the front end and the rear end of each spiral heat exchange pipe 71 respectively penetrate through a through hole on the outer arc surface of the tank body 1, cooling water is respectively introduced into the spiral heat exchange pipes 71 after being divided inside the flow distribution pipeline 72, the cooling water inside the spiral heat exchange pipes 71 exchanges heat with steam inside the tank body 1 to condense the steam, the condensing mechanism 7 further comprises a water pump 74, and the water pump 74 is arranged on the upper surface of the second mounting plate 6, the lower end of a water outlet pipeline of the water pump 74 is communicated with the flow dividing pipeline 72, the input end of the water pump 74 is electrically connected with the output end of the PLC 9 to provide power for the flow of cooling water in the spiral heat exchange pipes 71, the flow dividing pipeline 72 and the flow converging pipeline 73, the condensing mechanism 7 further comprises a frequency converter 75, the frequency converter 75 is arranged on the upper surface of the second mounting plate 6, the frequency converter 75 is connected in series between the input end of the water pump 74 and the output end of the PLC 9 to adjust the working power of the water pump 74 and change the water pressure of the cooling water, so as to adjust the flow speed of water flow in all the spiral heat exchange pipes 71, more sufficient heat exchange is carried out between the cooling water and steam, the expenditure of energy is reduced, the spiral heat exchange pipes 71 are conical spiral heat exchange pipes, the cooling water can exchange heat with the steam more uniformly, the diameters of the spiral heat exchange pipes 71 increase progressively from left to right, under the condition that the working power of the water pump 74 is kept unchanged, the flow speed of water flow inside the spiral heat exchange tube 71 is gradually decreased from left to right, the heat exchange time of cooling water and steam is prolonged, the water flow inside the spiral heat exchange tube 71 can fully absorb heat, the heat exchange efficiency is ensured, and the cooling water is fully utilized;
wherein: the compressor further comprises a PLC (programmable logic controller) 9, wherein the PLC 9 is arranged on the upper surface of the first mounting plate 2, the input end of the PLC 9 is electrically connected to an external power supply, and the input end of the compressor 3 is electrically connected to the output end of the PLC 9 to control the starting and stopping of the whole device.
The utility model provides a pair of water-cooled energy-efficient frequency conversion condensation unit's theory of operation as follows: when the lower pressure steam from the evaporator needs to be condensed, the steam is guided into the compressor 3, the compressor 3 is started through the PLC 9, the compressor 3 converts the low pressure steam into high pressure steam and then guides the high pressure steam into the tank body 1 through the connecting pipeline 4, the water pump 74 is started at the same time, the external cooling water is pressurized and then guided into the shunt pipeline 72, the cooling water is shunted in the shunt pipeline 72 and then respectively enters the spiral heat exchange tubes 71, the cooling water in the spiral heat exchange tubes 71 exchanges heat with the steam in the tank body 1 to condense the steam, because the spiral heat exchange tubes 71 are all conical spiral heat exchange tubes, the cooling water can exchange heat with the steam more uniformly, the heat exchange efficiency is improved, along with the rightward flow of the steam in the tank body 1, the temperature of the steam is gradually reduced, the temperature difference between the cooling water and the steam is gradually reduced, the heat exchange efficiency is reduced, but the tube diameter of the spiral heat exchange tubes 71 is increased in a step shape from left to right, under the condition that the working power of the water pump 74 is kept unchanged, the flow speed of the water in the spiral heat exchange tubes 71 is gradually reduced from left to the right, the heat exchange time of the cooling water and the temperature of the cooling water is controlled by the PLC, the water pump 9, the PLC is adjusted, the PLC, the temperature of the water is adjusted, and the water is adjusted by the PLC, and the temperature of the water is adjusted by the water, and the water, the water pump, and the PLC, the water is adjusted, the energy expenditure is reduced.
It is to be noted that the PLC controller 9 disclosed in the above embodiment may be a TPC8-8TD type PLC controller, the compressor 3, the water pump 74, the frequency converter 75, and the temperature sensor 8 may be freely configured according to an actual application scenario, the compressor 3 may be an ADW43T6 type refrigeration compressor, the water pump 74 may be a 40CDL4-500-1.1KW type high pressure water pump, the frequency converter 75 may be an FR-CS84-022-60 type frequency converter, the temperature sensor 8 may be a WZP-187 type waterproof temperature sensor, and the PLC controller 9 controls the compressor 3, the water pump 74, the frequency converter 75, and the temperature sensor 8 to work by a method commonly used in the prior art.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.
Claims (7)
1. The utility model provides a water-cooled energy-efficient frequency conversion condensation unit which characterized in that: comprises a tank body (1) and a condensing mechanism (7);
tank (1): a first mounting plate (2) is arranged at the left end of the outer arc surface of the tank body (1), a compressor (3) is arranged on the upper surface of the first mounting plate (2), a connecting pipeline (4) is arranged between an air outlet of the compressor (3) and an air inlet of the tank body (1), a liquid discharge pipeline (5) is arranged at a liquid discharge port at the right end of the tank body (1), and a second mounting plate (6) is arranged at the right end of the outer arc surface of the tank body (1);
condensation mechanism (7): the lower end of the condensing mechanism (7) is positioned in the tank body (1);
wherein: still include PLC controller (9), PLC controller (9) set up in the upper surface of first mounting panel (2), and the input electricity of PLC controller (9) is connected in external power source, and the input electricity of compressor (3) is connected in the output of PLC controller (9).
2. The water-cooled high-efficiency energy-saving variable-frequency condensing unit according to claim 1, characterized in that: condensation mechanism (7) are including spiral heat exchange tube (71), reposition of redundant personnel pipeline (72) and pipeline (73) that converges, reposition of redundant personnel pipeline (72) are located the front side of jar body (1), and pipeline (73) that converges is located the rear side of jar body (1), and the right-hand member of pipeline (73) that converges is open structure, is equipped with spiral heat exchange tube (71) between reposition of redundant personnel pipeline (72) and pipeline (73) that converges respectively, and spiral heat exchange tube (71) are located the inside of jar body (1) respectively, and the through-hole of jar body (1) extrados is passed respectively at the front and back both ends of spiral heat exchange tube (71).
3. The water-cooled efficient energy-saving variable-frequency condensing unit according to claim 2, characterized in that: condensation mechanism (7) still include water pump (74), water pump (74) set up in the upper surface of second mounting panel (6), and the outlet conduit lower extreme and the reposition of redundant personnel pipeline (72) of water pump (74) are linked together, and the input electricity of water pump (74) is connected in the output of PLC controller (9).
4. The water-cooled high-efficiency energy-saving variable-frequency condensing unit according to claim 3, characterized in that: condensation mechanism (7) still include converter (75), converter (75) set up in the upper surface of second mounting panel (6), and converter (75) are established ties between the input of water pump (74) and PLC controller (9) the output.
5. The water-cooled high-efficiency energy-saving variable-frequency condensing unit according to claim 2, characterized in that: the spiral heat exchange tubes (71) are all conical spiral heat exchange tubes, and the diameters of the tube bodies of the spiral heat exchange tubes (71) are gradually increased in a stepped manner from left to right.
6. The water-cooled high-efficiency energy-saving variable-frequency condensing unit according to claim 1, characterized in that: the left end of the tank body (1) is provided with a temperature sensor (8), and the output end of the temperature sensor (8) is electrically connected with the input end of the PLC (9).
7. The water-cooled high-efficiency energy-saving variable-frequency condensing unit according to claim 1, characterized in that: the lower end of the outer arc surface of the tank body (1) is respectively provided with a base (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221597565.9U CN217541151U (en) | 2022-06-23 | 2022-06-23 | Water-cooled efficient energy-saving variable-frequency condensing unit |
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| CN202221597565.9U CN217541151U (en) | 2022-06-23 | 2022-06-23 | Water-cooled efficient energy-saving variable-frequency condensing unit |
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| CN217541151U true CN217541151U (en) | 2022-10-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116182430A (en) * | 2023-03-22 | 2023-05-30 | 青岛理工大学 | Novel air source heat pump system integrating cold/heat supply and domestic hot water and operation control method |
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- 2022-06-23 CN CN202221597565.9U patent/CN217541151U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116182430A (en) * | 2023-03-22 | 2023-05-30 | 青岛理工大学 | Novel air source heat pump system integrating cold/heat supply and domestic hot water and operation control method |
| CN116182430B (en) * | 2023-03-22 | 2023-11-21 | 青岛理工大学 | Novel air source heat pump system integrating cold/heat supply and domestic hot water and operation control method |
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