CN205678890U - A kind of High Efficiency Thermal source apparatus based on side, water source UTILIZATION OF VESIDUAL HEAT IN - Google Patents
A kind of High Efficiency Thermal source apparatus based on side, water source UTILIZATION OF VESIDUAL HEAT IN Download PDFInfo
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- CN205678890U CN205678890U CN201620250163.XU CN201620250163U CN205678890U CN 205678890 U CN205678890 U CN 205678890U CN 201620250163 U CN201620250163 U CN 201620250163U CN 205678890 U CN205678890 U CN 205678890U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 190
- 238000005338 heat storage Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 239000002918 waste heat Substances 0.000 claims description 27
- 239000003507 refrigerant Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 239000008400 supply water Substances 0.000 abstract description 3
- 238000005057 refrigeration Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 3
- 239000006200 vaporizer Substances 0.000 abstract 3
- 230000001172 regenerating effect Effects 0.000 abstract 2
- 239000002826 coolant Substances 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 239000000498 cooling water Substances 0.000 description 8
- 238000003287 bathing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
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- 238000005457 optimization Methods 0.000 description 3
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- 230000001276 controlling effect Effects 0.000 description 2
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- 238000013461 design Methods 0.000 description 2
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- 239000003344 environmental pollutant Substances 0.000 description 2
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- 239000003921 oil Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
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- 239000002283 diesel fuel Substances 0.000 description 1
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- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of High Efficiency Thermal source apparatus based on side, water source UTILIZATION OF VESIDUAL HEAT IN, including heat exchanger, water circulating pump, vaporizer, condenser, compressor, regenerative apparatus, feed pump, hot-water supply and PLC control cabinet, described hot-water supply includes heat supply water pump, wherein, heat exchanger, water circulating pump, vaporizer are sequentially connected with one heat-exchanging loop of composition by pipeline；Vaporizer, condenser, compressor are sequentially connected with composition coolant loop by pipeline；Feed pump, condenser, regenerative apparatus, heat supply water pump are sequentially connected with composition hot-water return by pipeline.This utility model makes full use of low-grade thermal source, combined with the control of heat demand side by high efficiency environmental-protection refrigeration working medium, realize hot-water supply to match with thermal isolation and heat storage device, it is achieved the Effec-tive Function of hot-water supply, meet hot water for life or the requirement of heating hot water；Effectively realize energy-saving and emission-reduction.
Description
Technical Field
The utility model relates to a high-efficient heat source device based on water source side waste heat utilization, concretely relates to heat recovery technique, heat pump technique and hot water supply controlling means who has used the water source side.
Background
In public buildings, the waste heat on the water source side is discharged in large quantities to the atmosphere or to a drainage system, while these public buildings have a demand for useful heat, thus resulting in a waste of energy and a corresponding pollution. The general focus is embodied in two aspects: firstly, the cooling tower discharges heat to the atmosphere in summer, and secondly, the heat of the bath water is discharged to a city drainage system. The temperature of cooling water in a common cooling tower is 32-37 ℃, the temperature of waste water discharged after bathing is 28-32 ℃, and therefore, a large amount of low-grade heat energy is stored in the cooling water and the bathing waste water. And the cooling water flow and the bathing wastewater flow are relatively stable, and good energy-saving effect can be achieved if heat can be obtained from the cooling water through a heat exchanger, or the bathing wastewater is collected together and then the low-grade heat energy in the wastewater is recycled through a heat exchange device.
The traditional heat source device mostly adopts a gas boiler, an oil boiler, electric heating or solar heating. The water outlet temperature and the water pressure of the gas-oil fired boiler are greatly influenced by weather conditions, are unstable and are difficult to adjust the water temperature; the energy consumption of combustion is high, a large amount of toxic waste gas is discharged along with the emission, and the service life is low. The electric heating energy consumption is ultrahigh, the electric leakage is easy to hurt people, and the water storage capacity is insufficient; the water temperature is too high, the scale of the inner container is serious, and the service life is short. Solar heating is the most energy-saving theoretically, but in consideration of actual conditions, the solar heating can often be used in rainy and cloudy days, winter in the north and the like, and external power assistance is needed; because the water pressure of the common solar energy which is the hot water of the open system is completely determined by the high-low drop, the comfort is poor; the vacuum tube used by the common solar energy is easy to break and repair, troublesome in maintenance and low in service life. The existing heat source device has the problem of low efficiency.
The heat pump collects heat energy from natural environment by using heat absorbing medium (refrigerant) in the equipment, the temperature of the refrigerant is increased after the heat absorbing medium (refrigerant) is compressed by a compressor, the refrigerant emits heat to heat cold water through the heat exchanger, and meanwhile, the cold energy is discharged, and the prepared hot water enters a user through a water circulating system to be heated or is directly used for hot water supply.
The heat pump hot water unit takes electric power as driving energy, can realize high-efficient acquisition of required hot water, operates all weather throughout the year, can replace the original boiler and corresponding fuel (natural gas or fuel oil and the like) storage and supply system, does not need to set up special boiler room and full-time boiler operation management personnel, can combine together with automatic control system, has ensured the reliability and the security of hot water supply system, has improved the automatic control level of hot water supply system, can save considerable labour cost, the annual inspection expense of boiler, fuel purchase expense and the like.
As a novel product, the heat pump hot water unit is gradually emphasized due to the characteristics of high efficiency, convenience, sustainable hot water supply and the like; therefore, the water source side heat pump can produce hot water by absorbing heat in cooling water or bathing sewage, COP all the year round is stable, the influence of atmospheric environment temperature is avoided, 4 units of low-grade energy can be absorbed when one unit of electric energy is consumed on average, and a higher energy-saving effect can be achieved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a high-efficient heat source device based on water source side waste heat utilization who has higher heat source system stability and efficiency.
The purpose of the utility model is realized through the following technical scheme:
a high-efficiency heat source device based on water source side waste heat utilization comprises a heat exchanger, a circulating water pump, an evaporator, a condenser, a compressor, a heat storage device, a water feed pump, a hot water supply device and a PLC (programmable logic controller) control cabinet, wherein the hot water supply device comprises a hot water supply pump,
wherein,
the heat exchanger, the circulating water pump and the evaporator are sequentially connected through a pipeline to form a heat exchange loop;
the evaporator, the condenser and the compressor are connected in sequence through pipelines to form a refrigerant loop;
the water feeding pump, the condenser, the heat storage device and the hot water supply pump are sequentially connected through pipelines to form a hot water loop.
Preferably, the heat storage device is composed of a hot water tank, a liquid level sensor, a safety valve, a temperature sensor and a drain valve, wherein the liquid level sensor, the safety valve and the temperature sensor are arranged in the hot water tank, the drain valve is arranged at the bottom of the hot water tank, and the temperature sensor is electrically connected with the PLC control cabinet.
Preferably, the heat storage device is connected with the upper part of the condenser through a pipeline, a circulating water pump is arranged in the pipeline, control valves are respectively arranged on the upper part and the lower part of the circulating water pump, the control valves are controlled by a PLC control cabinet, and when the temperature of water in the hot water tank is reduced to be below a low-temperature threshold value, the water in the water tank can enter the condenser again for heating.
Preferably, a filter and a water softener are further arranged at the upstream of the hot water circulation, and the water softener is arranged between the water feeding pump and the filter. Further preferably, the filter is a Y-type filter.
Furthermore, a buffer water tank is arranged between the water softener and the water feeding pump.
Preferably, a temperature sensor is arranged in the buffer water tank and electrically connected with the PLC control cabinet.
Preferably, a control valve is arranged between the feed pump and the condenser and is controlled by a PLC control cabinet.
Preferably, the hot water supply device in the hot water circulation is also provided with a standby pump, valves are respectively arranged at the upstream and downstream of the water supply pump and the standby pump, and the water supply pump and the standby pump are connected in parallel.
Preferably, the heat exchanger adopts a wide-channel heat exchanger.
The utility model discloses the principle:
the utility model discloses a heat exchanger obtains the energy of low grade from cooling water or bathing blowdown aquatic, then gets into the evaporimeter, promotes operating pressure and temperature through the compressor, prepares hot water through the heat transfer in the condenser side, and these hot water get into the hot-water tank, supply for using the thermal system through supplying the hot-water pump. The wide-channel heat exchanger can exchange heat between the sewage and the circulating working medium, and the temperature of the circulating working medium is increased. The circulating working medium flows to the evaporator from the wide-channel heat exchanger through the control valve and the circulating pump to exchange heat with the refrigerant, and flows back to the wide-channel heat exchanger after releasing heat. The refrigerant absorbs heat in the evaporator, flows to the condenser through the compressor to release heat, and flows back to the evaporator through the throttle valve. The cold water absorbs heat by the condenser and is heated up, and then flows to the heat storage device.
The utility model discloses beneficial effect:
the method comprises the steps of firstly obtaining low-grade heat from cooling water or bath sewage through a heat exchanger, improving the energy grade after obtaining the heat from a water source through a refrigerant working medium heat pump unit 4, 5, 6 and 7, being well combined with the heat adaptability of a heat source demand side, and reasonably configuring the heat exchange area of an evaporator side, so that the capacity of obtaining the heat from the low-grade heat source is enhanced, the heating efficiency of the heat pump unit 4, 5, 6 and 7 can exceed 5.0 under the condition of 60 ℃ hot water, 75% of electric energy is saved in the conventional operation compared with an electric heating device, and 40% of natural gas, coal gas and 60% of diesel oil operation cost are saved. The utility model discloses high-efficient heat source device based on water source side waste heat utilization can keep the best running state throughout the year, can improve the heat utilization situation of low level heat source, increases substantially the comprehensive utilization efficiency of the energy, reduces the pollution to the atmospheric environment.
The utility model discloses high-efficient heat source device based on water source side waste heat utilization possesses intelligent automatic energy regulatory function, strengthens the seasonal adaptability of unit, ensures stable, the high-efficient operation all the year round of device, avoids appearing the overload operation, prolongs the life of unit to have higher efficiency ratio. The intelligent control system formed by the adopted PLC has the functions of controlling the water temperature and the water level of the water tank, automatically and circularly heats, is not limited by weather conditions, runs all weather all the year round, does not need to be watched by a specially-assigned person, can fully utilize the valley electricity at night according to the requirement of a user demand side, realizes the supply of hot water at fixed time and fixed temperature, and flexibly adjusts the water temperature between 50 ℃ and 70 ℃.
The utility model discloses high-efficient heat source device based on water source side waste heat utilization ensures that heat source device can stabilize high-efficient operation winter.
The utility model discloses high-efficient heat source device based on water source side waste heat utilization does not have the emission of pollutant by itself in the operation process, effectively utilizes the low-grade energy, and the energy of consumption is few, accords with the requirement of country to energy utilization, environmental protection, belongs to green energy-conserving device.
The utility model discloses high-efficient heat source device based on water source side waste heat utilization is low to the requirement of installation, can not receive the influence of illumination problem, can set up in the place that possesses the ventilation condition such as roof, balcony or basement according to the condition, arranges nimble convenient.
The utility model discloses high-efficient heat source device based on water source side waste heat utilization is applicable to the place that various hot water demand is great, the water consumption time is long and the water requirement is high (24 hours hot water supply), like hotel, colleges and universities, hospital, dormitory, commercial office building, bathing center etc..
The utility model discloses high-efficient heat source device based on water source side waste heat utilization compares with conventional heat source heating methods (fuel, gas boiler) preparation hot water, and energy cost and personnel management cost are saved and can reach 50% -70%.
The utility model discloses strengthen hot water system's stability and homogeneity through heat preservation hot water storage tank among the high-efficient heat source device based on water source side waste heat utilization, the capacity and the structural characteristic design of water tank are the key device of the high-efficient operation of assurance system.
The utility model discloses high-efficient heat source device based on water source side waste heat utilization is the automatic control system of wholeness to adjustment heat pump heating system's adaptability when outdoor air temperature changes can effectively improve heat source system's energy utilization efficiency.
In summary, the utility model has the advantages that the low-grade heat source is fully utilized, the high-efficiency environment-friendly refrigeration working medium is combined with the control of the heat demand side, the hot water supply device is matched with the heat preservation and storage device, the high-efficiency operation of the hot water supply device is realized, and the requirements of domestic hot water or heating hot water are met; effectively realizes energy conservation and emission reduction. The utility model discloses a system design of optimization can effectively improve the operating efficiency of heat supply water pump, and the heat of acquisition can be used for life/production hot water supply throughout the year. Furthermore, the utility model discloses a control system of optimization effectively realizes that hot water temperature control suits with the heat demand of user side to reduce the hot water cost of heat pump preparation and the whole energy consumption of heat source system by a wide margin.
Drawings
FIG. 1 is a schematic structural view of a high-efficiency heat source device based on water source side waste heat utilization according to the present invention;
FIG. 2 is a schematic view of a heat storage device;
the system comprises a heat exchanger 1, a control valve 2, a circulating water pump 3, an evaporator 4, a compressor 5, a condenser 6, a throttle valve 7, a PLC (programmable logic controller) 8, a circulating water pump 9, a heat storage device 10, a hot water tank 10-1, a liquid level sensor 10-2, a safety valve 10-3, a blow-down valve 10-4, a standby hot water supply pump 11, a hot water supply pump 12, a filter 13, a water softener 14, a temperature sensor 15, a buffer water tank 16 and a water supply pump 17.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only for the purpose of illustrating and explaining the present invention and not for the purpose of limiting the same
Example 1:
as shown in fig. 1, the high-efficiency heat source device based on the utilization of waste heat at the water source side at least comprises a heat exchanger 1, a circulating water pump 3, an evaporator 4, a condenser 6, a compressor 5, a heat storage device 10, a water feed pump 17, a hot water supply device and a PLC control cabinet 8, wherein the hot water supply device comprises a hot water supply pump 12,
wherein,
the heat exchanger 1, the circulating water pump 3 and the evaporator 4 are connected in sequence through pipelines to form a heat exchange loop;
the evaporator 4, the condenser 6 and the compressor 5 are connected in sequence through pipelines to form a refrigerant loop;
the water feeding pump 17, the condenser 6, the heat storage device 10 and the hot water supply pump 12 are connected in sequence through pipelines to form a hot water loop.
The heat exchanger 1 preferably adopts a wide-channel heat exchanger, so that the sewage can exchange heat with the circulating working medium, and the temperature of the circulating working medium is increased. The circulating working medium flows to the evaporator 4 from the wide-channel heat exchanger 1 through the control valve 2 and the circulating pump 3 to exchange heat with the refrigerant, and flows back to the wide-channel heat exchanger 1 after releasing heat. The refrigerant absorbs heat in the evaporator 4, flows to the condenser 6 through the compressor 5 to release heat, and flows back to the evaporator 4 through the throttle valve 7. The cold water absorbs heat and rises temperature through the condenser 6, and then flows to the heat storage device 10.
The heat storage device 10 is composed of a hot water tank 10-1, a liquid level sensor 10-2 arranged in the hot water tank, a safety valve 10-3, a temperature sensor and a blow-off valve 10-4 arranged at the bottom of the hot water tank, wherein the temperature sensor is electrically connected with the PLC control cabinet.
The heat storage device 10 is connected with the upper stream of the condenser 6 through a pipeline, a circulating water pump 9 is arranged in the pipeline, control valves are respectively arranged on the upper stream and the lower stream of the circulating water pump 9 and are controlled by a PLC control cabinet, and when the temperature of water in the hot water tank 10-1 is reduced to be below a low-temperature threshold value, the water in the hot water tank can enter the condenser again for heating.
As a preferable mode of the present embodiment, a filter 13 and a water softener 14 are further provided upstream of the hot water circulation, and the water softener 14 is provided between the feed pump 17 and the filter 13. The filter 13 is preferably a Y-type filter.
Further preferably, a buffer tank 16 is further provided between the water softener 14 and the feed pump 17. Be equipped with temperature sensor in the buffer tank, this temperature sensor is connected with the PLC switch board electricity. And a control valve is arranged between the water feeding pump and the condenser and is controlled by a PLC control cabinet.
In a preferred embodiment of the present invention, the hot water supply device in the hot water circulation further comprises a backup pump 11, the water supply pump 12 and the backup pump 11 are respectively provided with valves at the upstream and downstream, and the water supply pump and the backup pump are connected in parallel.
In fig. 1, the utility model discloses a heat exchanger obtains the energy of low grade from cooling water or bathing blowdown aquatic, then gets into the evaporimeter, promotes operating pressure and temperature through the compressor, prepares hot water through the heat transfer in the condenser side, and these hot water get into the hot-water tank, supply for with the thermal system.
The utility model discloses application scope is extensive, does not receive outdoor environment air temperature to influence, can adapt to internal most weather district. The water outlet temperature range is 50-70 ℃, and the water can be used as hot water for life/technology and heating hot water.
The utility model discloses control is nimble, can select directly-heated type or circulating application according to the demand situation, satisfies high temperature washing or shower hot water, air conditioner heating requirement, reduces various atmospheric pollutants's emission by a wide margin.
The utility model discloses a high-efficient heat exchanger of water side waste heat recovery, the thermal resistance is low, high heat transfer, withstand voltage corrosion-resistant, compact structure. The PLC is used for realizing the remote protection applied to the network information system and the optimized intelligent operation of a multi-machine system; and by using the heat load prediction, the control target of the overall efficiency optimization and the lowest operation cost of the heat source system is realized.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a high-efficient heat source device based on water source side waste heat utilization which characterized in that: comprises a heat exchanger, a circulating water pump, an evaporator, a condenser, a compressor, a heat storage device, a water feeding pump, a hot water supply device and a PLC control cabinet, wherein the hot water supply device comprises a hot water supply pump,
wherein,
the heat exchanger, the circulating water pump and the evaporator are sequentially connected through a pipeline to form a heat exchange loop;
the evaporator, the condenser and the compressor are connected in sequence through pipelines to form a refrigerant loop;
the water feeding pump, the condenser, the heat storage device and the hot water supply pump are sequentially connected through pipelines to form a hot water loop.
2. The high-efficiency heat source device based on water source side waste heat utilization according to claim 1, characterized in that: the heat storage device is composed of a hot water tank, a liquid level sensor, a safety valve, a temperature sensor and a drain valve, wherein the liquid level sensor, the safety valve and the temperature sensor are arranged in the hot water tank, the drain valve is arranged at the bottom of the hot water tank, and the temperature sensor is electrically connected with the PLC control cabinet.
3. The high-efficiency heat source device based on water source side waste heat utilization according to claim 1 or 2, characterized in that: the heat storage device is connected with the upper part of the condenser through a pipeline, a circulating water pump is arranged in the pipeline, control valves are respectively arranged on the upper part and the lower part of the circulating water pump and are controlled by a PLC control cabinet, and when the temperature of water in the hot water tank is reduced to be below a low-temperature threshold value, the water in the hot water tank can enter the condenser again for heating.
4. The high-efficiency heat source device based on water source side waste heat utilization according to claim 1, characterized in that: the hot water circulation upper reaches still are equipped with filter and water softener, and the water softener is located between feed pump and the filter.
5. The high-efficiency heat source device based on water source side waste heat utilization according to claim 4, characterized in that: the filter is a Y-shaped filter.
6. The high-efficiency heat source device based on water source side waste heat utilization according to claim 4 or 5, characterized in that: a buffer water tank is arranged between the water softener and the water feeding pump.
7. The high-efficiency heat source device based on water source side waste heat utilization according to claim 6, characterized in that: be equipped with temperature sensor in the buffer tank, this temperature sensor is connected with the PLC switch board electricity.
8. The high-efficiency heat source device based on water source side waste heat utilization according to claim 6, characterized in that: and a control valve is arranged between the water feeding pump and the condenser and is controlled by a PLC control cabinet.
9. The high-efficiency heat source device based on water source side waste heat utilization according to claim 1, characterized in that: the hot water supply device in the hot water circulation is also provided with a standby pump, valves are respectively arranged at the upstream and the downstream of the hot water supply pump and the standby pump, and the hot water supply pump and the standby pump are connected in parallel.
10. The high-efficiency heat source device based on water source side waste heat utilization according to claim 1, characterized in that: the heat exchanger adopts a wide-channel heat exchanger.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620250163.XU CN205678890U (en) | 2016-03-29 | 2016-03-29 | A kind of High Efficiency Thermal source apparatus based on side, water source UTILIZATION OF VESIDUAL HEAT IN |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620250163.XU CN205678890U (en) | 2016-03-29 | 2016-03-29 | A kind of High Efficiency Thermal source apparatus based on side, water source UTILIZATION OF VESIDUAL HEAT IN |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639455A (en) * | 2021-08-19 | 2021-11-12 | 浙江英特科技股份有限公司 | Hydraulic center and air conditioner circulating water system with same |
| CN113639456A (en) * | 2021-08-19 | 2021-11-12 | 浙江英特科技股份有限公司 | Water tank with expansion air bag, hydraulic center with water tank and air conditioning system with water tank |
-
2016
- 2016-03-29 CN CN201620250163.XU patent/CN205678890U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639455A (en) * | 2021-08-19 | 2021-11-12 | 浙江英特科技股份有限公司 | Hydraulic center and air conditioner circulating water system with same |
| CN113639456A (en) * | 2021-08-19 | 2021-11-12 | 浙江英特科技股份有限公司 | Water tank with expansion air bag, hydraulic center with water tank and air conditioning system with water tank |
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