Strength of 18KW CO2 R744 air source heat pump water heater and
heating system EVI for cold temperature -25℃
The carbon dioxide heat pump includes a shell, a partition plate is
horizontally arranged in the shell, a heat exchanger assembly is
fixed above the partition plate, and the heat exchanger assembly
includes heat exchangers arranged obliquely on both sides of the
partition plate, and the heat exchanger assembly is arranged above
the heat exchanger assembly. There is a fan. In the present
invention, a transverse baffle is arranged inside the casing, the
baffle divides the casing into upper and lower spaces, the heat
exchanger assembly is installed above the baffle, and the pipeline
system and the circulation system are installed in the space below
the baffle , The heat exchanger assembly and the pipeline system
are separated by the partition plate to avoid the convection easily
formed between the heat exchanger and the pipeline system, thereby
preventing the mutual influence between the two, which is conducive
to the normal operation of the carbon dioxide heat pump.
The carbon dioxide heat pump heat exchange component includes a
mounting plate, two sides of the mounting plate are inclined with
heat exchangers, the ends of the heat exchangers on both sides are
connected by end plates, and the end plates and the mounting plate
are connected by connecting bolts. In the present invention, the
heat exchangers are arranged on both sides, which can form a larger
heat exchange area, which is beneficial to improve the heat
exchange efficiency of the carbon dioxide heat pump.
Tandem gas-liquid separators for carbon dioxide heat pump systems.
The carbon dioxide heat pump system uses a series gas-liquid
separator, including a gas-liquid separator, the gas-liquid
separator includes a first-stage monomer and a second-stage
monomer, and the first-stage monomer and the second-stage monomer
are connected through series pipes, The center of the first air
inlet and the center of the first air outlet are symmetrically
distributed with the axis of the first-stage monomer as the center
of symmetry, and the center of the second air inlet and the center
of the second air outlet are the same as the second-stage monomer.
The axis is the center of symmetry and the center is symmetrically
distributed. The line between the center of the first air inlet and
the center of the second air inlet is parallel to the line between
the center of the first air outlet and the center of the second air
outlet. . The utility model has the beneficial effects of being
able to effectively avoid the instantaneous return of liquid
substances to the compressor too much, preventing the occurrence of
the phenomenon of burning cylinders, and ensuring that the working
and running requirements are met while not being restricted by the
production requirements.
18KW CO2 R744 air source heat pump water heater and heating system
EVI for cold temperature -25℃
| Unit type | SJKRS-28 II/C | SJKRS-36II/C | SJKRS-55 II/C | SJKRS-73 I/C | SJKRS-106 IC | SJKRS-I60II /C |
| Specifications | 7.5HP | 10HP | 15HP | 20HP | 30HP | 40HP |
| Power supply | Three-phase five-wire380V/50Hz |
| Heating mode | Direct heat/cycle type |
| Standard working condition | Heating capacity( kw ) | 27.5 | 36.7 | 55.1 | 72.8 | 10.6.5 | 155.1 |
| Input Power(kW) | 6.1 | 8.2 | 13.7 | 16.1 | 23.6 | 34.5 |
| COP | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Hot Water flow(m³/h) | 0.59 | 0.79 | 1.18 | 1.56 | 2.29 | 3.33 |
| High temperature condition | Heating capacity kw ) | 23.9 | 28.5 | 51.5 | 59.5 | 89 | 13.1.5 |
| Input Power(kW) | 7.5 | 8.9 | 16.1 | 18.6 | 27.8 | 41.1 |
| COP | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 |
| Hot Water flow(m³/h) | 0.27 | 0.33 | 0.59 | 0.68 | 1.02 | 1.51 |
| Low temperature condition | Heating capacity( kw ) | 17.3 | 21.4 | 34.8 | 41.5 | 62.2 | 94.5 |
| Input Power(kW) | 6.2 | 7.6 | 12.4 | 14.8 | 22.2 | 33.8 |
| COP | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 |
| Hot Water flow(m³/h) | 0.32 | 0.4 | 0.65 | 0.78 | 1.16 | 1.77 |
| Component Information | Size of water pipe joint | DN20 | DN25 | DN32 | DN40 |
| Water heat exchanger | Plate or sleeve heat exchanger |
| Air Heat Exchanger | Aluminum Fin for copper tube |
| compressor type | Semi-closed reciprocating |
| Operation Panel | Color touch screen |
| Maximum outlet temperature(℃) | 90℃ |
| Refrigerants | R744 (CO2 ) |
| Design pressure(MPa) | High side 15, low side 8 |
| Dimensions (length, width and height mm) | 1450x950x1450 | 1600x950x1500 | 1850x1150x1900 | 2050x1150x1950 | 2670x1410x2150 | 2290x2270x1980 |
| Noise (dB) | 56 | 59 | 62 | 67 | 70 | 70 |
| Weight(kg) | 550 | 660 | 780 | 860 | 1180 | 221360 |
| SCOPE of use | Feed water temperature(℃) | 5~ 40 |
| Feed water pressure | 0.05~ 0.4 |
| Effluent temperature(℃) | 55~ 90 |
| Maximum flow | 1.2 | 1.5 | 2.4 | 3.2 | 4.9 | 6.5 |
| Ambient temperature(℃) | ’-20~43 |
