CN221923955U - Energy-saving multistage heat pump coupling high-temperature unit - Google Patents

Abstract

The utility model relates to the technical field of heat pumps, and particularly discloses an energy-saving multi-stage heat pump coupled high-temperature unit, comprising a heat exchange water tank and a standby pump, wherein the left water inlet system of the heat exchange water tank comprises a first-stage heat pump, a second-stage heat pump, a third-stage heat pump, a fourth-stage heat pump, a fifth-stage heat pump and a sixth-stage heat pump, wherein the first-stage heat pump, the second-stage heat pump, the third-stage heat pump and the fourth-stage heat pump form a secondary control group, and the secondary unit is a water source heat pump unit, and the ground temperature water temperature produced by the first-stage equipment is used for the unit, and the high-temperature hot water is generally 85-90 degrees; the energy efficiency ratio of the first-stage and second-stage equipment is combined with the actual energy consumption, and the energy saving is 40% compared with the single high-temperature unit directly producing 85-90 degrees hot water; the standby pump is an additional standby equipment, and the solar energy, industrial waste heat and high-temperature exhaust gas are used to assist the first-stage equipment in producing ground temperature working condition water temperature; and the energy comprehensive utilization and energy saving effect are achieved.

Description

An energy-saving multi-stage heat pump coupled high-temperature unit

Technical Field

The utility model relates to the technical field of heat pumps, in particular to an energy-saving multi-stage heat pump coupled high-temperature unit.

Background Art

The air source heat pump hot water unit is an energy-saving and environmentally friendly hot water supply device that can replace boilers and is not restricted by resources. It uses green and pollution-free refrigerant, absorbs heat from the air, and produces domestic hot water above 50 degrees through the work of the compressor. The C.O.P value is above 3.0 throughout the year. The high-temperature heat pump collects the heat in the medium and low-temperature wastewater and exhaust gas discharged and wasted by industrial enterprises through a high-temperature thermal energy heat pump, and converts it into water or high-temperature steam ≤150℃ for industrial processes or heating. It can directly replace traditional coal-fired boilers and is the best choice for achieving industrial energy conservation, consumption reduction and efficiency improvement. The current air source unit and high-temperature hot water unit are a single conventional product, which uses automatic control programs combined with comprehensive energy utilization. The two devices are used at a single function, resulting in excessive costs and easy waste of resources.

Utility Model Content

1. Technical issues to be solved

In view of the deficiencies in the prior art, the utility model provides an energy-saving multi-stage heat pump coupled high-temperature unit to solve the technical problem that the existing air source unit and the high-temperature hot water unit are single conventional products, and the automatic control program is combined with the comprehensive utilization of energy. When the two devices are in use, due to the single function, the cost is too high and resources are easily wasted.

(II) Technical solution

In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

An energy-saving multi-stage heat pump coupled high-temperature unit comprises a heat exchange water tank and a standby pump, wherein the left water inlet system of the heat exchange water tank comprises a first-stage heat pump, a second-stage heat pump, a third-stage heat pump, a fourth-stage heat pump, a fifth-stage heat pump and a sixth-stage heat pump, and the right water inlet system of the heat exchange water tank comprises a first-stage heat pump, a second-stage heat pump, a third-stage heat pump and a fourth-stage heat pump; wherein a second water pipe is connected between the first-stage heat pump, the second-stage heat pump, the third-stage heat pump, the fourth-stage heat pump, the fifth-stage heat pump and the sixth-stage heat pump, and an end of the second water pipe is connected to the heat exchange water tank; wherein a fifth water pipe is connected between the first-stage heat pump, the second-stage heat pump, the third-stage heat pump and the fourth-stage heat pump, and an end of the fifth water pipe is connected to the heat exchange water tank, a magnesium rod and a heat auxiliary are arranged inside the heat exchange water tank, and the magnesium rod is located above the heat auxiliary, and a sewage pipe is arranged at the lower end of the heat exchange water tank.

Preferably, a second first water pipe is connected between the first-stage heat pump, the second-stage heat pump, the third-stage heat pump, the fourth-stage heat pump, the fifth-stage heat pump and the sixth-stage heat pump, and an end of the first water pipe is connected to a standby pump.

Preferably: a second fourth water pipe is connected between the first-secondary heat pump, the second-secondary heat pump, the third-secondary heat pump and the fourth-secondary heat pump, and the end of the fourth water pipe is connected to the standby pump; a third third water pipe is connected between the first-secondary heat pump, the second-secondary heat pump, the third-secondary heat pump and the fourth-secondary heat pump, and the end of the third water pipe is connected to the heat exchange water tank.

(III) Beneficial effects

1. This multi-stage heat pump coupled high temperature unit adopts multi-stage control. The first-stage heat pump, the second-stage heat pump, the third-stage heat pump, the fourth-stage heat pump, the fifth-stage heat pump and the sixth-stage heat pump are the first-stage control group, and the first-stage control is a normal temperature unit working condition simulation to produce groundwater temperature working condition temperature generally stable at 20 degrees, at this time the unit energy efficiency ratio is relatively high; the first-stage heat pump, the second-stage heat pump, the third-stage heat pump and the fourth-stage heat pump are the second-stage control group, the second-stage unit is a water source heat pump unit, the ground temperature water temperature produced by the first-stage equipment is used for the unit, and high-temperature hot water is generally 85-90 degrees; the energy efficiency ratio and actual energy consumption of the first-stage and second-stage equipment are combined, which saves 40% energy compared with a single high-temperature unit directly producing 85-90 degrees hot water; the standby pump is an additional standby equipment, which uses solar energy, industrial waste heat and high-temperature exhaust gas to assist the first-stage equipment in producing ground temperature working condition water temperature; energy comprehensive utilization and energy saving effect are achieved.

BRIEF DESCRIPTION OF THE DRAWINGS

The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

FIG1 is a structural diagram of a heat exchange water tank 1 of the present invention.

Legend: 1. Heat exchange water tank; 11. Magnesium rod; 12. Thermal auxiliary; 13. Drain pipe; 21. First water pipe; 22. Second water pipe; 23. Third water pipe; 24. Fourth water pipe; 25. Fifth water pipe; 3. First-stage heat pump; 31. Second-stage heat pump; 32. Third-stage heat pump; 33. Fourth-stage heat pump; 34. Fifth-stage heat pump; 35. Sixth-stage heat pump; 4. First-stage heat pump; 41. Second-stage heat pump; 42. Third-stage heat pump; 43. Fourth-stage heat pump; 5. Standby pump.

DETAILED DESCRIPTION

The embodiment of the present application provides an energy-saving multi-stage heat pump coupled high-temperature unit, which effectively solves the problem that the existing air source unit and the high-temperature hot water unit are a single conventional product, and the automatic control program is combined with the comprehensive utilization of energy. When the two devices are in use, due to their single function, the cost is too high and resources are easily wasted.

Example

As shown in FIG1 , the technical solution in the embodiment of the present application effectively solves the technical problem that the existing air source unit and the high-temperature hot water unit are single conventional products, and the automatic control program is combined with the comprehensive utilization of energy. When the two devices are used, the cost is too high due to the single function, and resources are easily wasted. The overall idea is as follows:

In view of the problems existing in the prior art, the utility model provides an energy-saving multi-stage heat pump coupled high-temperature unit, including a heat exchange water tank 1 and a standby pump 5, the left water inlet system of the heat exchange water tank 1 includes a first-stage heat pump 3, a second-stage heat pump 31, a third-stage heat pump 32, a fourth-stage heat pump 33, a fifth-stage heat pump 34 and a sixth-stage heat pump 35, and the right water inlet system of the heat exchange water tank 1 includes a first-stage heat pump 4, a second-stage heat pump 41, a third-stage heat pump 42 and a fourth-stage heat pump 43; wherein the first-stage heat pump 3, the second-stage heat pump 31, the third-stage heat pump 32, the fourth-stage heat pump 33, the fifth-stage heat pump 34 and the sixth-stage heat pump 35. A second water pipe 22 is connected between the heat pump 32, the fourth first-stage heat pump 33, the fifth first-stage heat pump 34 and the sixth first-stage heat pump 35, and the end of the second water pipe 22 is connected to the heat exchange water tank 1; wherein, a fifth water pipe 25 is connected between the first second-stage heat pump 4, the second second-stage heat pump 41, the third second-stage heat pump 42 and the fourth second-stage heat pump 43, and the end of the fifth water pipe 25 is connected to the heat exchange water tank 1, a magnesium rod 11 and a heat auxiliary 12 are arranged inside the heat exchange water tank 1, and the magnesium rod 11 is located above the heat auxiliary 12, and a sewage pipe 13 is arranged at the lower end of the heat exchange water tank 1.

A second first water pipe 21 is connected between the first first-stage heat pump 3 , the second first-stage heat pump 31 , the third first-stage heat pump 32 , the fourth first-stage heat pump 33 , the fifth first-stage heat pump 34 and the sixth first-stage heat pump 35 , and an end of the first water pipe 21 is connected to the standby pump 5 .

A second fourth water pipe 24 is connected between the first secondary heat pump 4, the second secondary heat pump 41, the third secondary heat pump 42 and the fourth secondary heat pump 43, and the end of the fourth water pipe 24 is connected to the standby pump 5. A third third water pipe 23 is connected between the first secondary heat pump 4, the second secondary heat pump 41, the third secondary heat pump 42 and the fourth secondary heat pump 43, and the end of the third water pipe 23 is connected to the heat exchange water tank 1.

Working principle:

The multi-stage heat pump coupled high temperature unit adopts multi-stage control, the first heat pump 3, the second heat pump 31, the third heat pump 32, the fourth heat pump 33, the fifth heat pump 34 and the sixth heat pump 35 are the first-stage control group, and the first-stage control is a normal temperature unit working condition simulation to produce a groundwater temperature working condition temperature generally stable at 20 degrees, at this time the unit energy efficiency ratio is relatively high;

The first secondary heat pump 4, the second secondary heat pump 41, the third secondary heat pump 42 and the fourth secondary heat pump 43 are the secondary control group, and the secondary unit is a water source heat pump unit, which uses the ground temperature water produced by the first-level equipment for the unit to use, and the high-temperature hot water is generally 85-90 degrees. The energy efficiency ratio of the first and second-level equipment is combined with the actual energy consumption, which saves 40% energy compared with a single high-temperature unit directly producing 85-90 degrees hot water;

The standby pump 5 is an additional standby equipment, which uses solar energy, industrial waste heat and high-temperature exhaust gas to assist the first-level equipment in producing geothermal working water temperature, thereby achieving energy-saving effect through comprehensive utilization of energy.

Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims (6)

1. The energy-saving multi-stage heat pump coupling high-temperature unit comprises a heat exchange water tank (1) and a standby pump (5), and is characterized in that a left water inlet system of the heat exchange water tank (1) comprises a first primary heat pump (3), a second primary heat pump (31), a third primary heat pump (32), a fourth primary heat pump (33), a fifth primary heat pump (34) and a sixth primary heat pump (35), and a right water inlet system of the heat exchange water tank (1) comprises a first secondary heat pump (4), a second secondary heat pump (41), a third secondary heat pump (42) and a fourth secondary heat pump (43);

The first primary heat pump (3), the second primary heat pump (31), the third primary heat pump (32), the fourth primary heat pump (33), the fifth primary heat pump (34) and the sixth primary heat pump (35) are connected with a second water pipe (22), and the end part of the second water pipe (22) is connected with the heat exchange water tank (1);

A fifth water pipe (25) is connected among the first secondary heat pump (4), the second secondary heat pump (41), the third secondary heat pump (42) and the fourth secondary heat pump (43), and the end part of the fifth water pipe (25) is connected with the heat exchange water tank (1);

The heat exchange water tank (1) is internally provided with a magnesium rod (11) and a heat assist (12), the magnesium rod (11) is positioned above the heat assist (12), and the lower end part of the heat exchange water tank (1) is provided with a drain pipe (13).

2. An energy-saving multi-stage heat pump coupling high-temperature unit as claimed in claim 1, wherein a second first water pipe (21) is connected between the first primary heat pump (3), the second primary heat pump (31), the third primary heat pump (32), the fourth primary heat pump (33), the fifth primary heat pump (34) and the sixth primary heat pump (35).

3. An energy-efficient multistage heat pump coupled high temperature unit according to claim 2, wherein the end of the first water pipe (21) is connected to a backup pump (5).

4. An energy-saving multistage heat pump coupling high-temperature unit as claimed in claim 1, wherein a second fourth water pipe (24) is connected between the first secondary heat pump (4), the second secondary heat pump (41), the third secondary heat pump (42) and the fourth secondary heat pump (43).

5. An energy efficient multistage heat pump coupled high temperature unit according to claim 4, wherein the end of the fourth water pipe (24) is connected to a backup pump (5).

6. An energy-saving multistage heat pump coupling high-temperature unit as claimed in claim 1, wherein a third water pipe (23) is connected between the first secondary heat pump (4), the second secondary heat pump (41), the third secondary heat pump (42) and the fourth secondary heat pump (43), and the end part of the third water pipe (23) is connected with the heat exchange water tank (1).