CN218511056U - Kitchen waste heat, PV/T and ground source heat pump integrated system - Google Patents
Kitchen waste heat, PV/T and ground source heat pump integrated system Download PDFInfo
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- CN218511056U CN218511056U CN202221077636.2U CN202221077636U CN218511056U CN 218511056 U CN218511056 U CN 218511056U CN 202221077636 U CN202221077636 U CN 202221077636U CN 218511056 U CN218511056 U CN 218511056U
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Abstract
The utility model discloses a system integrating kitchen waste heat, PV/T and ground source heat pump, which comprises a kitchen waste heat recovery unit and a solar photovoltaic photo-thermal mechanism; the kitchen waste heat recovery unit consists of a range hood, an oil filter, a spiral pipe type heat exchanger, a first temperature sensor, a first water storage tank and a second water storage tank; the solar photovoltaic photo-thermal mechanism consists of a solar water tank, a second temperature sensor and a third water storage tank; the back of the solar photovoltaic panel is sequentially connected with a second temperature sensor, a first water storage tank, a third water pump and a second automatic stop valve through a third pipeline; the back of the solar photovoltaic panel is connected with the solar water tank; the utility model discloses a kitchen waste heat recovery unit and solar energy coupling part have built and have used kitchen waste heat recovery energy supply to give first place to, and the system of solar collector energy supply for assisting, but make full use of recycle energy and renewable energy.
Description
Technical Field
The utility model belongs to the technical field of renewable energy utilization such as kitchen waste heat recovery utilizes, solar energy and geothermal energy, especially, relate to an integrative system of kitchen waste heat, PV/T and earth source heat pump.
Background
Energy is the basis on which human beings rely for survival and is the first problem of economic development. On the one hand, with the progress of social production level and the improvement of living standard of people, the demand of energy is greatly increased. On the other hand, with the continuous development of the building industry in China, the proportion of building energy consumption is continuously increased, and the heat supply energy consumption is not neglected. Therefore, people have stronger energy-saving awareness and higher requirements on building energy-saving systems.
With the progress of science and technology and the development of economy, people pay more attention to indoor and outdoor environments. The problem of kitchen smoke generated by large hotels has become a focus of attention. Therefore, the kitchen flue waste heat is used as a low-grade energy which is not negligible, and has important significance for recycling.
The photovoltaic roof is one of the main modes of the existing photovoltaic building integration, and in order to improve the photovoltaic power generation efficiency, the main method is to cool the battery back plate by using a medium. In the daytime, the solar cell panel can be used for outputting electric energy and heating domestic water, and the double-effect functions of generating electricity and heating water are realized. At night, the surface temperature of the solar cell panel is reduced to be far lower than the ambient temperature through the heat convection between the solar cell panel and the ambient air and the heat radiation between the solar cell panel and the outer space.
The ground source heat pump system can realize the function of storing heat in different seasons, and is an energy-saving technology which is widely popularized and used in air conditioner industry engineering in recent years. However, when the buried pipe runs in summer, the temperature of soil around the buried pipe is increased due to the slow heat dissipation rate of the soil, namely, the heat accumulation phenomenon occurs. Therefore, how to solve the problem efficiently becomes a focus of attention.
The utility model discloses combine kitchen waste heat recovery unit, solar photovoltaic board and ground source heat pump system three, on the one hand, be connected kitchen waste heat recovery unit with the solar photovoltaic board, make full use of kitchen waste heat recovery technique and light and heat technique promote energy utilization efficiency, reduce energy consumption by a wide margin. Not only solves the pollution of kitchen waste heat to the environment and the harm to human health. On the other hand, the solar photovoltaic panel is combined with the ground source heat pump system, so that the problem of heat accumulation of the ground source heat pump is solved. In addition, the organic combination of the three can also realize the kitchen waste heat recovery function and the triple supply function of refrigeration, heat supply and power supply, fully utilize recyclable energy and renewable energy, and lay a foundation for realizing low-carbon transformation.
Disclosure of Invention
To the technical problem who exists among the prior art, the utility model provides a system that kitchen waste heat, PV/T and earth source heat pump are integrative. Not only solves the pollution of kitchen waste heat to the environment and the harm to human health, but also solves the problem of heat accumulation existing in the ground source heat pump; in addition, the triple supply of refrigeration, heat supply and power supply can be realized simultaneously, recyclable energy and renewable energy are fully utilized, the incoherence of a kitchen flue heat supply source, intermittent solar energy and fully utilized geothermal energy are combined with each other, the complementary and orderly utilization of advantages is achieved, the ladder utilization of energy is realized, the system energy utilization efficiency is improved, more energy is saved, and meanwhile, the running stability is also improved. Meanwhile, a certain foundation is laid for realizing low-carbon transformation.
The utility model adopts the following technical scheme:
a system integrating kitchen waste heat, PV/T and a ground source heat pump comprises a kitchen waste heat recovery unit and a solar photovoltaic photo-thermal mechanism; the method is characterized in that: the kitchen waste heat recovery unit consists of a smoke exhaust ventilator, an oil filter, a spiral pipe type heat exchanger, a first temperature sensor, a first water storage tank and a second water storage tank; the solar photovoltaic photo-thermal mechanism consists of a solar photovoltaic panel, a solar water tank, a second temperature sensor and a third water storage tank; the back of the solar photovoltaic panel is sequentially connected with a second temperature sensor, a first water storage tank, a third water pump and a second automatic stop valve through a third pipeline; the back of the solar photovoltaic panel is connected with the solar water tank; wherein:
the second temperature sensor is used for detecting the temperature of the first water storage tank, when the temperature in the first water storage tank is higher than the temperature in the solar water tank, the third water pump stops working, the second automatic stop valve is closed, and solar heat supply is achieved.
Further, the range hood sucks high-temperature smoke generated in a kitchen into a smoke exhaust pipeline and then enters the oil filter, and the spiral tube type heat exchanger exchanges heat; softened water generated by exchange of the spiral tube type heat exchanger is conveyed to the first water storage tank through the first water pump through the first pipeline, the first pipeline is provided with the first temperature sensor and used for monitoring the temperature of the first water tank, the temperature of the first water tank is lower than the temperature of the softened water in the shell pass of the spiral heat exchanger, the softened water is pushed by the first water pump and is used as a heat-carrying agent to heat the water in the first water storage tank, and kitchen waste heat recovery is achieved.
Further, the bottom end of the first water storage tank is conveyed to the second water storage tank through a second pipeline and a second water pump, when the temperature of the first water storage tank is higher than the softened water temperature in the shell pass of the spiral tube type heat exchanger, the second water pump arranged between the two water storage tanks starts to work, the first automatic stop valve is opened after receiving a signal, water is pumped into the second water storage tank, tap water is injected into the first water storage tank, and the purpose of reducing the temperature of the first water storage tank is achieved.
The utility model discloses can also adopt following technical scheme:
a system integrating kitchen waste heat, PV/T and a ground source heat pump comprises a water chilling unit, a solar photovoltaic photo-thermal mechanism, a buried pipe, indoor power supply equipment and a fan coil; the method is characterized in that: the water chilling unit consists of an evaporator, a compressor, a condenser and a throttle valve; the solar photovoltaic photo-thermal mechanism consists of a solar photovoltaic panel and a third water tank; wherein: the water outlet of the evaporator is connected with the water inlet of the fan coil after being connected with a fourth circulating pump through a fourth pipeline 15, and the water outlet of the fan coil is connected with the water return of the evaporator through a fifth pipeline; the water outlet of the condenser is connected with the water inlet of the buried pipe after being connected with the first flow regulating valve and the fifth water pump through a sixth pipeline, and a seventh pipeline is led out from the water outlet of the buried pipe and is connected with the water return part of the condenser after being sequentially connected with the second flow regulating valve and the third flow regulating valve; an eighth pipeline is led out from the back water outlet of the solar photovoltaic panel and connected with a fourth flow regulating valve and then connected with the water inlet of a third water storage tank, and a ninth pipeline is led out from the water outlet of the third water storage tank 7 and sequentially connected with a fifth flow regulating valve and a sixth flow regulating valve and then connected with the back water inlet of the solar photovoltaic panel.
Furthermore, the water outlet of the buried pipe is connected with a ninth pipeline between the fifth flow regulating valve and the sixth flow regulating valve after being connected with a seventh flow regulating valve and a sixth water pump through a tenth pipeline, and the water outlet of the back of the solar photovoltaic panel is connected with an eighth flow regulating valve through an eleventh pipeline and then is connected with a seventh pipeline between the second flow regulating valve and the third flow regulating valve; the electric energy output end of the solar photovoltaic panel is connected with indoor power supply equipment through a power supply pipeline, the water discharging position of the third water storage tank is connected with a water supply pipeline leading to the indoor space, and one side of the third water storage tank is provided with a water replenishing opening and is connected with a water replenishing pipe.
Further, the range hood adopts a range hood capable of automatically cleaning.
Furthermore, the spiral tube type heat exchanger adopts a spiral tube type heat exchanger which is characterized in that a plurality of heat exchange tubes are made into a coil and are stacked on a central circular tube, the heat exchanger in the coil is spirally wound from inside to outside, high-temperature flue gas passes through a spiral tube pass from top to bottom, softened water in the heat exchanger passes through a shell pass from bottom to top, and the softened water longitudinally flows in a reverse direction, so that the spiral tube type heat exchanger has a higher transverse heat transfer coefficient and a good countercurrent heat exchange effect.
Furthermore, the first, second, third, fourth, fifth and sixth water pumps all adopt circulating water pumps.
Further, the first, second, third, fourth, fifth, sixth, seventh and eighth valves are all flow regulating valves.
Advantageous effects
1. The utility model discloses a kitchen waste heat recovery unit and solar energy coupling part, through having built the system that gives first place to with kitchen waste heat recovery energy supply, solar collector energy supply is supplementary, but the recycling energy and renewable energy of make full use of combine kitchen flue heat supply source's incoherence and intermittent type nature solar energy each other, reach the orderly utilization of two complementary advantages, promoted energy utilization efficiency by a wide margin, improved this part energy supply stability;
2. the coupling part of the kitchen waste heat recovery unit and the solar energy of the utility model is provided with a first water storage tank and a second water storage tank which are mutually matched, thereby effectively solving the problem of higher temperature of the first water storage tank;
3. the spiral tube type heat exchanger adopted by the utility model is a spiral tube type heat exchanger which longitudinally flows in a reverse direction and has higher transverse heat transfer coefficient and good reverse flow heat exchange effect, thereby greatly improving the heat exchange efficiency of the system;
4. the coupling part of the ground source heat pump and the solar energy effectively solves the difficult problem of the ground source heat pump in the operation process and the heat accumulation phenomenon generated by the ground source heat pump;
5. the utility model can realize the recovery and reuse of kitchen waste heat and the triple supply of refrigeration, heat supply and power supply;
6. the utility model utilizes the recyclable kitchen waste heat, geothermal energy and solar energy, fully utilizes the recyclable energy and clean energy, greatly improves the utilization rate of the energy and exerts the advantages of the renewable energy;
7. the utility model realizes the transfer of the excess heat in the soil in the night operation mode, can keep the soil environment stable and is friendly to the atmospheric environment;
8. the utility model discloses need not to increase auxiliary heat radiation equipment, practiced thrift cost and working costs.
9. The utility model discloses a water chilling unit, a solar photovoltaic photo-thermal mechanism, a buried pipe, indoor power supply equipment and a fan coil; the evaporator of the water chilling unit is connected with the fan coil, the condenser is connected with the buried pipe, the buried pipe is connected with the back copper pipe of the solar photovoltaic panel, the solar photovoltaic panel is connected with indoor electric equipment, and the third water storage tank is connected with a water supply pipe and leads to the indoor space. And simultaneously, the utility model discloses a ground source heat pump and solar energy coupling part have not only realized the trigeminy of refrigeration, heat supply, power supply and have supplied power, have still solved the problem of piling up of ground source heat pump heat, have improved energy utilization.
Drawings
Fig. 1 is a structural schematic diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following detailed discussion of the present invention will be made with reference to the accompanying drawings, and the following embodiments are illustrative only and not limiting, and the protection scope of the present invention cannot be limited thereby.
1. Referring to the attached drawing 1, the system integrating kitchen waste heat, PV/T and a ground source heat pump comprises a kitchen waste heat recovery unit 1, a solar photovoltaic panel 2, a solar water tank 6, a third water storage tank 7, a water chilling unit 8, a buried pipe 9 and a fan coil 11 arranged in a room 10. The coupling part of the kitchen waste heat recovery unit and the solar energy comprises a range hood 1-1, an oil filter 1-2, a spiral tube type heat exchanger 1-3, a first temperature sensor 1-4, a first water storage tank 1-5 and a second water storage tank 1-6 which are sequentially connected, high-temperature smoke generated in a kitchen is sucked into an oil smoke exhaust pipeline from the outlet of the range hood 1-1 which can be automatically cleaned and then is connected with the inlet of the oil filter 1-2, oil stain residues in the smoke are filtered by the oil filter 1-2, the high-temperature smoke is conveyed to the inlet of the spiral tube type heat exchanger 1-3 through the outlet of the high-temperature smoke, heat exchange is carried out in the high-temperature smoke, a first pipeline 12 is led out from the outlet of the spiral tube type heat exchanger 1-3 and is sequentially connected with the first temperature sensor 1-4, the first water storage tank 1-5 and a first water pump 1-7 and then is connected with the inlet of the spiral tube type heat exchanger 1-3; a second pipeline 13 is led out from the other outlet of the first water storage tank 1-5 and is connected with an inlet of a second water storage tank 1-6 after being sequentially connected with a second water pump 1-8 and a first automatic stop valve 1-9; the outlet of the second water storage tank 1-6 is connected with an external tap water pipe; a third pipeline 14 is led out from the water outlet position at the back of the solar photovoltaic panel 2 and is connected with a second temperature sensor 3, a first water storage tank 1-5, a third water pump 4, a second automatic stop valve 5 and a solar water tank 6 in sequence and then is connected with the water inlet position at the back of the solar photovoltaic panel 2;
2. the water chilling unit 8 comprises an evaporator 8-1, a compressor 8-2, a condenser 8-3 and a throttle valve 8-4 which are sequentially connected in a circulating manner, a fourth pipeline 15 is led out from the water outlet of the evaporator 8-1 and is connected with a fourth circulating pump 16 and then is connected with the water inlet of the fan coil 11, and the water outlet of the fan coil 11 is connected with the water return position of the evaporator 8-1 through a fifth pipeline 17; a sixth pipeline 18 is led out from the water outlet of the condenser 8-3, connected with the first flow regulating valve 19 and the fifth water pump 20 and then connected with the water inlet of the buried pipe 9, and a seventh pipeline 21 is led out from the water outlet of the buried pipe 9 and sequentially connected with the second flow regulating valve 22 and the third flow regulating valve 23 and then connected with the water return part of the condenser 8-3; an eighth pipeline 24 is led out from the water outlet of the back copper pipe of the solar photovoltaic panel 2, connected with a fourth flow regulating valve 25 and then connected with the water inlet of the third water storage tank 7, and a ninth pipeline 26 is led out from the water outlet of the third water storage tank 7, sequentially connected with fifth and sixth flow regulating valves 27 and 28 and then connected with the water inlet of the back copper pipe of the solar photovoltaic panel 2;
3. a tenth pipeline 29 is led out from the water outlet of the buried pipe 9, is connected with a seventh flow control valve 30 and a sixth water pump 34, and is connected with a ninth pipeline 26 between the fifth flow control valve 27 and the sixth flow control valve 28, an eleventh pipeline 31 is led out from the water outlet of a back copper pipe of the solar photovoltaic panel 2, is connected with an eighth flow control valve 32, and is connected with a seventh pipeline 21 between the second flow control valve 22 and the third flow control valve 23; the electric energy output end of the solar photovoltaic panel 2 is connected with various electric appliances in the room 10 through a power supply pipeline (containing a storage battery), the water discharging position of the third water storage tank 7 is connected with a water supply pipeline 33 leading to the room 10, and one side of the third water storage tank 7 is provided with a water replenishing port and is connected with a water replenishing pipe.
The present invention will be further explained with reference to fig. 1 as follows:
the utility model discloses when the operation in summer, the operational mode at daytime and night is respectively:
1. daytime operation mode:
(1) The kitchen waste heat recovery unit and the solar energy coupling part are started, the range hood 1-1 capable of automatically cleaning sucks high-temperature smoke generated in a kitchen into a smoke exhaust pipeline and then enters an oil filter 1-2, oil residues in the smoke are filtered through the oil filter, and the high-temperature smoke is conveyed into a spiral tube type heat exchanger 1-3 for heat exchange. Softened water generated by exchange of the spiral tube type heat exchanger 1-3 is conveyed to the first water storage tank 1-5 through the first pipeline 12 by the first water pump 1-5, the first pipeline 12 is provided with a first temperature sensor 1-4 for monitoring the temperature of the first water tank 1-5, the temperature of the first water tank is lower than the temperature of the softened water in the shell side of the spiral heat exchanger 1-3, the softened water is pushed by the first water pump 1-5 and is taken as a heat carrying agent to heat the water in the first water storage tank 1-5, and the specific flow is as follows: the kitchen ventilator capable of being automatically cleaned comprises a range hood body 1-1, an oil filter 1-2, a water outlet of a spiral tube type heat exchanger 1-3, a first temperature sensor 1-4, a first water storage tank 1-5, a first water pump 1-8 and a water inlet of the spiral tube type heat exchanger 1-3, and therefore the kitchen waste heat recovery function is achieved.
(2) The spiral tube type heat exchanger adopts the spiral tube type heat exchanger which is characterized in that a plurality of heat exchange tubes are made into a coil and are stacked on a central circular tube, the heat exchanger in the coil is spirally wound from inside to outside, high-temperature flue gas passes through a spiral tube pass from top to bottom, softened water in the heat exchanger passes through a shell pass from bottom to top, and the heat exchanger longitudinally flows in the reverse direction, so that the heat exchanger has higher transverse heat transfer coefficient and good countercurrent heat exchange effect.
(3) The unit is provided with a first water storage tank 1-5 and a second water storage tank 1-6, namely a second pipeline 13 is led out from the bottom end of the first water storage tank 1-5 and is conveyed to the second water storage tank 1-6 through a second water pump 1-9, when the temperature of the first water storage tank 1-5 is higher than the softened water temperature in the shell side of a spiral tube type heat exchanger 1-3, the second water pump 1-9 arranged between the two water storage tanks starts to work, and a first automatic stop valve 1-10 is opened after receiving a signal, pumps water into the second water storage tank 1-6, and injects tap water into the first water storage tank 1-5, so that the purpose of reducing the temperature of the first water storage tank 1-5 is achieved. When the temperature of the first water storage tank 1-5 is lower than the temperature of softened water in the shell pass of the spiral heat exchanger 1-3, the second water pump 1-9 stops working, the first automatic stop valve 1-10 is closed, the heat exchanger starts to collect waste heat to heat hot water again, and the specific process is as follows: the water outlet at the bottom end of the first water storage tank 1-5, the second water pump 1-9, the first automatic stop valve 1-10 and the second water storage tank 1-6 realize the function of monitoring the temperature in the first water storage tank 1-5 to be lower than the temperature of softened water in the spiral tube type heat exchanger 1-3.
(4) A third pipeline 14 is led out from the back water outlet of the solar photovoltaic panel 2 and is connected with a second temperature sensor 3, a first water storage tank 1-5, a third water pump 4, a second automatic stop valve 5 and a solar water tank 6 in sequence and then is connected with the back water inlet of the solar photovoltaic panel 2, wherein the second temperature sensor 3 is used for detecting the temperature of the first water storage tank 1-5, when the temperature in the first water storage tank 1-5 is higher than the temperature in the solar water tank 6, the third water pump 4 does not work any more, and the second automatic stop valve 5 is closed. Therefore, the aim of utilizing kitchen waste heat and solar energy to the maximum extent can be achieved. The specific process is as follows: the solar photovoltaic panel comprises a water outlet at the back of the solar photovoltaic panel 2, a second temperature sensor 3, a first water storage tank 1-5, a third water pump 4, a second automatic stop valve 5, a solar water tank 6 and a water inlet at the back of the solar photovoltaic panel 2. The process is combined with the two processes, so that the aim of utilizing the kitchen waste heat and the solar energy to the maximum extent is fulfilled.
(5) At the moment, the water chilling unit 8 is started, chilled water generated by the evaporator 8-1 is conveyed to a fan coil 11 of the indoor unit 10 through a fourth pipeline 15 by a fourth circulating pump 16 to refrigerate the indoor unit 10, and heated return water flows back to the evaporator 8-1 through a fifth pipeline 17 to realize refrigeration circulation of the indoor unit 10; the condensation heat is conveyed to the buried pipe 9 by the fifth circulating pump 20 along with water flowing through the sixth pipeline 18, then is diffused to the soil through the buried pipe 9, and the return water flows back to the condenser 8-3 through the seventh pipeline 21, and the specific flow is as follows: the water outlet end of the condenser 8-3, the first flow regulating valve 19, the fifth circulating pump 20, the buried pipe 9, the second flow regulating valve 22, the third flow regulating valve 23 and the water return end of the condenser 8-3 are closed, and in the period, the seventh flow regulating valve 30 is closed, so that the refrigeration function is realized.
(6) Meanwhile, the solar photovoltaic panel 2 converts a part of solar energy into high-quality electric energy, stores the electric energy in the storage battery, and supplies power to the indoor 10 by the storage battery; the third storage water tank 7 is gone into by the hosepipe in its back copper pipe to the heat energy that solar photovoltaic cell panel 2 released, and hot water is carried to third storage water tank 7 by solar photovoltaic cell panel 2's back copper pipe through eighth pipeline 24, and cold water then is carried to solar photovoltaic cell panel 2's back copper pipe by third storage water tank 7 through ninth pipeline 26, and third storage water tank 7 provides domestic hot water to indoor 10 through water supply pipe 33, and concrete flow is: the water outlet of the third water storage tank 7, the fifth flow control valve 27, the sixth flow control valve 28, the back copper pipe of the solar photovoltaic panel 2, the fourth flow control valve 25, and the water inlet of the third water storage tank 7, and during this period, the eighth flow control valve 32 is closed, thereby realizing the functions of power generation, power supply, hot water production, and hot water supply.
2. Night operation mode
(1) The functions realized by the kitchen waste heat recovery unit and the solar energy coupling part and the functions of refrigeration, power generation and electricity generation, hot water production and hot water supply are the same as above;
(2) The condensation heat is conveyed to the buried pipe 9 by a fifth circulating pump 20 along with water flow through a sixth pipeline 18, then conveyed to a back copper pipe of the solar photovoltaic panel 2 by a sixth circulating pump 34 through a seventh pipeline 21, and is subjected to convective heat exchange with ambient air and outer space radiation heat exchange through the solar photovoltaic panel 2, and the return water flows back to the condenser 8-3 through an eighth pipeline 24, so that the soil is cooled, the problem of heat accumulation existing in a ground source heat pump is solved, and the specific flow is as follows: the water outlet of the condenser 8-3, the first flow regulating valve 19, the fifth circulating pump 20, the buried pipe 9, the seventh flow regulating valve 30, the sixth flow regulating valve 28, the back copper pipe of the solar photovoltaic panel 2, the eighth flow regulating valve 32, the third flow regulating valve 23 and the water return of the condenser 8-3 are all closed during the period.
The detailed description of the operation modes of the system in the daytime and at night proves that the technical scheme of the utility model can solve the problem that high-temperature smoke generated by a kitchen causes harm to the environment and human health, can also solve the problem of heat accumulation generated by ground source heat pump soil, and realizes the gradient utilization of energy; the daytime running mode also proves that the system realizes triple supply of refrigeration, heat supply and power supply while realizing the recycling of kitchen waste heat.
The utility model discloses an aspect is that the harm that causes to environment and health to kitchen high temperature flue gas has provided feasible solution, is about to kitchen waste heat recovery system and solar energy and carries out the coupling, has realized the organic combination of the recoverable energy and the clean energy, has also improved energy utilization efficiency when having practiced thrift the energy. On the other hand, a feasible solution is provided for the heat accumulation phenomenon generated when the ground source heat pump system operates in summer, namely, the heat dissipated into the soil in the daytime is transferred to the ambient air and the outer space through the solar photovoltaic panel in a radiation mode at night, so that the soil temperature is well recovered at night, and the efficient operation of a water chilling unit in the daytime is ensured, therefore, the system has important economic and social significance.
The present invention is not limited to the above-described embodiments. The above description of the embodiments is intended to describe and illustrate the technical solutions of the present invention, and the above embodiments are merely illustrative and not restrictive. Without departing from the spirit of the invention and the scope of the appended claims, the person skilled in the art can make many changes in form and detail within the teaching of the invention.
Claims (9)
1. A system integrating kitchen waste heat, PV/T and a ground source heat pump comprises a kitchen waste heat recovery unit and a solar photovoltaic photo-thermal mechanism; the method is characterized in that: the kitchen waste heat recovery unit consists of a range hood, an oil filter, a spiral pipe type heat exchanger, a first temperature sensor, a first water storage tank and a second water storage tank; the solar photovoltaic photo-thermal mechanism consists of a solar water tank, a second temperature sensor and a third water storage tank; the back of the solar photovoltaic panel is sequentially connected with a second temperature sensor, a first water storage tank, a third water pump and a second automatic stop valve through a third pipeline; the back of the solar photovoltaic panel is connected with the solar water tank; wherein:
the second temperature sensor is used for detecting the temperature of the first water storage tank, when the temperature in the first water storage tank is higher than the temperature in the solar water tank, the third water pump stops working, the second automatic stop valve is closed, and solar heat supply is achieved.
2. The system of claim 1, wherein the system is integrated with a kitchen waste heat, PV/T and ground source heat pump, and comprises: the range hood sucks high-temperature smoke generated in a kitchen into a smoke exhaust pipeline and then enters the oil filter, and the spiral tube type heat exchanger exchanges heat; softened water generated by exchange of the spiral tube type heat exchanger is conveyed to the first water storage tank through the first water pump through the first pipeline, the first pipeline is provided with the first temperature sensor and used for monitoring the temperature of the first water tank, the temperature of the first water tank is lower than the temperature of softened water in the shell pass of the spiral heat exchanger, the softened water is pushed by the first water pump and is used as a heat carrying agent to heat water in the first water storage tank, and kitchen waste heat recovery is achieved.
3. The system of claim 1, wherein the system is integrated with a kitchen waste heat, PV/T and ground source heat pump, and comprises: the bottom end of the first water storage tank is conveyed to the second water storage tank through a second pipeline 13 and a second water pump, when the temperature of the first water storage tank 1-5 is higher than the softened water temperature in the shell pass of the spiral tube type heat exchanger, the second water pump arranged between the two water storage tanks starts to work, and the first automatic stop valve is opened after receiving a signal, pumps water into the second water storage tank and injects tap water into the first water storage tank, so that the purpose of reducing the temperature of the first water storage tank is achieved.
4. A system integrating kitchen waste heat, PV/T and a ground source heat pump comprises a water chilling unit, a solar photovoltaic photo-thermal mechanism, a buried pipe, indoor power supply equipment and a fan coil; the method is characterized in that: the water chilling unit consists of an evaporator, a compressor, a condenser and a throttle valve; the solar photovoltaic photo-thermal mechanism consists of a solar photovoltaic panel and a third water tank; wherein: the water outlet of the evaporator is connected with the water inlet of the fan coil after being connected with a fourth circulating pump through a fourth pipeline 15, and the water outlet of the fan coil is connected with the water return of the evaporator through a fifth pipeline; the water outlet of the condenser is connected with the water inlet of the buried pipe after being connected with the first flow regulating valve and the fifth water pump through a sixth pipeline, and a seventh pipeline is led out from the water outlet of the buried pipe and is connected with the water return part of the condenser after being sequentially connected with the second flow regulating valve and the third flow regulating valve; an eighth pipeline is led out from the back water outlet of the solar photovoltaic panel and connected with a fourth flow regulating valve and then connected with the water inlet of a third water storage tank, and a ninth pipeline is led out from the water outlet of the third water storage tank 7 and sequentially connected with a fifth flow regulating valve and a sixth flow regulating valve and then connected with the back water inlet of the solar photovoltaic panel.
5. The system of claim 4 for integrating kitchen waste heat, PV/T and ground source heat pump, wherein: the water outlet of the buried pipe is connected with a ninth pipeline between the fifth flow regulating valve and the sixth flow regulating valve after being connected with a seventh flow regulating valve and a sixth water pump through a tenth pipeline, and the water outlet of the back of the solar photovoltaic panel is connected with an eighth flow regulating valve through an eleventh pipeline and then is connected with a seventh pipeline between the second flow regulating valve and the third flow regulating valve; the electric energy output end of the solar photovoltaic panel is connected with indoor power supply equipment through a power supply pipeline, the water discharging position of the third water storage tank is connected with a water supply pipeline leading to the indoor space, and one side of the third water storage tank 7 is provided with a water replenishing opening and is connected with a water replenishing pipe.
6. The system integrating kitchen waste heat, PV/T and ground source heat pump as claimed in any one of claims 1-5, wherein: the range hood is a range hood capable of being automatically cleaned.
7. The system integrating kitchen waste heat, PV/T and ground source heat pump as claimed in any one of claims 1-5, wherein: the spiral tube type heat exchanger adopts the spiral tube type heat exchanger which is characterized in that a plurality of heat exchange tubes are made into a coil and are stacked on a central circular tube, the heat exchanger in the coil is spirally wound from inside to outside, high-temperature flue gas passes through a spiral tube pass from top to bottom, softened water in the heat exchanger passes through a shell pass from bottom to top, and the heat exchanger longitudinally flows in the reverse direction, so that the heat exchanger has higher transverse heat transfer coefficient and good countercurrent heat exchange effect.
8. The system integrating kitchen waste heat, PV/T and ground source heat pump as claimed in any one of claims 1-5, wherein: the first, second, third, fourth, fifth and sixth water pumps all adopt circulating water pumps.
9. The system integrating kitchen waste heat, PV/T and ground source heat pump as claimed in any one of claims 1-5, wherein: the first valve, the second valve, the third valve, the fourth valve, the fifth valve, the sixth valve, the seventh valve and the eighth valve are all flow regulating valves.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221077636.2U CN218511056U (en) | 2022-04-29 | 2022-04-29 | Kitchen waste heat, PV/T and ground source heat pump integrated system |
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| CN202221077636.2U CN218511056U (en) | 2022-04-29 | 2022-04-29 | Kitchen waste heat, PV/T and ground source heat pump integrated system |
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| CN218511056U true CN218511056U (en) | 2023-02-21 |
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| CN202221077636.2U Active CN218511056U (en) | 2022-04-29 | 2022-04-29 | Kitchen waste heat, PV/T and ground source heat pump integrated system |
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