CN110262600B - Heating control method for supplying residual heat to lawn in golf course - Google Patents

Heating control method for supplying residual heat to lawn in golf course Download PDF

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CN110262600B
CN110262600B CN201910602187.5A CN201910602187A CN110262600B CN 110262600 B CN110262600 B CN 110262600B CN 201910602187 A CN201910602187 A CN 201910602187A CN 110262600 B CN110262600 B CN 110262600B
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water
temperature
pool
heat
hot water
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CN110262600A (en
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汪语哲
徐昭伟
徐策
张佳
张皓天
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Dalian Minzu University
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Dalian Minzu University
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
    • G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means

Abstract

A heating control method for supplying waste heat to a lawn in a golf course belongs to the field of waste heat recovery and reutilization and aims to realize heat preservation of the lawn in the golf courseFirstly setting a typical low temperature working day temperature Td: selecting the night hour-by-hour temperature of the date with the lowest night average temperature of a certain month in recent years as the typical low-temperature working day temperature TdThe night range is 21: 00-day 6: 00, the highest gear of the water separator can meet the requirement that the grassland keeps proper temperature at the typical low-temperature working day temperature; the effect is that the statistical prediction and the algorithm control of the temperature are adopted, the automatic control of the lawn heat supply is realized, and the heat is more reasonably supplied to the lawn and recovered.

Description

Heating control method for supplying residual heat to lawn in golf course
Technical Field
The invention belongs to the field of waste heat recovery and reutilization, and relates to a waste heat recovery and utilization system, method and algorithm applicable to a golf course, and a sewage treatment system and method.
Background
In addition, the bubble pool of the golf course has high energy consumption, and on one hand, in the existing golf course, the heat is wasted, and on the other hand, a large amount of energy is consumed by using new energy to heat the bubble pool, so that the maintenance cost is high.
For the existing golf course, the sewage in the soaking pool is often directly discharged, so that the heat of the sewage in the soaking pool becomes waste heat, and the sewage is often required to be heated when being used as the lawn of the golf course in spring or autumn, and the heat preservation of the lawn needs to be conducted by laying pipes on the lawn, and the heat preservation is carried out by using warm water, so that the maintenance cost of the golf course is increased.
The golf course has many parts to produce the waste heat, but often is discharged as the waste heat, and has many parts to need the heating, often need consume a large amount of heats, the cost is increased, and the heat demand is very big on the one hand in the face of the golf course, but has a lot of waste heat to be wasted on the one hand, therefore, can be with waste heat utilization or cyclic utilization, can greatly practice thrift the court cost, more be favorable to energy-conserving development, all be a sustainable development's direction in court and environment, have great demand.
Disclosure of Invention
In order to solve the problem of reasonable heat distribution for heat preservation of the golf course lawn, the invention provides the following technical scheme: a heating control method for supplying waste heat to a lawn in a golf course,
the water separator is set to the following six gears:
[1] the opening degree to the grassland heating pipeline is maximum and the energy release is maximum when the opening degree is 100 percent;
[2] 80% opening degree;
[3] opening degree of 60%;
[4] opening degree of 40%;
[5] opening degree of 20%;
[6] closing;
first, a typical low temperature working day temperature T is setd: selecting the night hour-by-hour temperature of the date with the lowest night average temperature of a certain month in recent years as the typical low-temperature working day temperature TdThe night range is 21: 00-day 6: 00, the highest gear of the water separator can meet the requirement that the grassland keeps proper temperature at the typical low-temperature working day temperature;
secondly, set up a plurality of temperature sensor on the lawn surface, 9: 00-day 6: starting 15 minutes before 00 whole hour, detecting the earth surface temperature T once every 1 minute, detecting 15 earth surface temperatures T in 15 minutes, and obtaining T by averagings，TsMeasured temperature as the number of integral points:
Figure GDA0002722129810000021
thirdly, executing a control algorithm: according to measured temperature
Figure GDA0002722129810000022
And typical low temperature working day temperature TdThe gear of the water separator is determined by selecting the size of the difference, and the specific decision is as follows:
Figure GDA0002722129810000023
omega-difference decision coefficient
The difference decision coefficient omega and the water segregator gear selection relation are as follows:
table: corresponding relation between difference value omega and water separator gear
Figure GDA0002722129810000024
21: 00-day of the next 6: 00 hour integer times, and further adjusting different opening degrees of the water separator (4) for supplying water to the grassland, 7: 00 stopping water supply to the grassland, keeping the water separator 9 at [6] 0%, and opening the water separator to 21:00 starts the repeat decision.
Has the advantages that: through statistical prediction and algorithm control on the temperature, automatic control on lawn heat supply is realized, and heat is supplied to the lawn more reasonably and is recycled.
Drawings
FIG. 1 is a schematic block diagram of an overall dedicated waste heat recovery system for a golf course;
FIG. 2 is a schematic block diagram of a golf course soaking pool heating and green heating system;
FIG. 3 is a schematic of the construction of a filter cartridge system for golf course bubble tank sewage treatment;
FIG. 4 is a cross-sectional view of FIG. 3;
fig. 5 is an internal structural view of the filter cartridge system.
Wherein: 1. the system comprises a first control valve, a second control valve, a first temperature sensor, a first bubble tank, a second bubble tank, a water separator, a first circulating pump, a second control valve, a second plate heat exchanger, a third circulating pump, a second temperature sensor, a second control valve, a third control valve, a 12 tap water connector, a third tap water connector, a 13 liquid level sensor, a first liquid level sensor, a 14 control valve, a fourth control valve, a 15 circulating pump, a fourth control valve, a 16 control valve, a fifth control valve, a 17 control valve, a sixth control valve, a 18 circulating pump, a fifth hot water tank, a 20 water source heat pump, a 21 air source heat pump, a third temperature sensor, a 23 intermediate heat exchange water tank, a seventh control valve, a 25 liquid level sensor, a second liquid level sensor, a third liquid level sensor, a 27 temperature sensor, a 28 waste heat recovery water tank, a 29 control valve, a second tap water connector, a 31 tap water connector, a sixth circulating pump, a, 35. the system comprises ten control valves, 36 circulating pumps, seven 37 water source heat pump units, 38 end fan coil systems, 39 circulating pumps, eight 40 phase change heat storage devices, 41 control valves, eleven control valves, 42 control valves, twelve control valves, 43 control valves, thirteen control valves, 44 solar cell panels, 45 circulating pumps, nine circulating pumps, 46 lawn pipelines, 47 sewage main channels, 48 cylinders, 49 filter screen cylinders, 50 partition plates, 51 buffer areas, 52 hot water inlets, 53 hot water outlets, 54 cold water inlets, 55 cold water outlets, 55 control valves, fourteen control valves, 56 control valves, fifteen control valves, 57 dirt remover circular covers, 58 rotating chambers, 60 cold water chambers and 61 hot water chambers.
Detailed Description
Example 1: the utility model provides an integral special waste heat recovery system in golf course, includes hall waste heat recovery device, solar heating device, bubble pond waste heat recovery device, bubble pond waste water waste heat recovery device, hall waste heat recovery device collect its terminal fan coil system's heat energy by water source heat pump set, and it is connected and collects solar energy with solar heating device to rather than the bubble pond waste heat recovery device who is connected with solar energy supply, bubble pond waste heat recovery device is connected with bubble pond waste water waste heat recovery device to supply its used heat to bubble pond waste water waste heat recovery device.
In the embodiment, the waste heat of the hall of the golf course is integrated with solar heat to use the part of heat in the bubble pool, so that the waste heat can be recovered, the part of originally wasted heat can be used by the bubble pool, and simultaneously, one part of heat in the bubble pool is recovered and circularly supplied to the bubble pool, the other part of heat in the bubble pool is used for heating the lawn at night, so that the heat in the golf course is circularly used, and a relatively complete closed-loop energy system is formed, the original waste heat inside the court is recycled and the utilization of renewable clean energy is added, so that the ecological utilization of the court energy is improved, and the cost is greatly reduced.
In one embodiment, the hall waste heat recovery device comprises a hall tail end fan coil system 38, a water source heat pump unit 37, a tail end circulating pump seven 36, a tail end control water valve ten 35, a water supplementing tank 34, a water supplementing control valve nine 33, a tap water interface I32, a waste heat recovery pump six 31, a waste heat recovery water tank 28, a temperature detector four 27 and a liquid level sensor three 26 which are installed inside the waste heat recovery water tank 28, a tap water interface II 30 and a control valve eight 29;
the solar heating device comprises an intermediate heat exchange water tank 23, a temperature sensor III 22 and a liquid level sensor II 25 which are arranged in the intermediate heat exchange water tank 23, a solar cell panel 44, a control valve eleven 41, a control valve twelve 42, a control valve thirteen 43, a phase change heat storage device 40, a circulating pump eight 39 and a control valve IV 14;
the bubble pool waste heat recovery device comprises a hot water tank 19, a temperature sensor II 10 and a liquid level sensor I13 which are arranged inside the hot water tank 19, an air source heat pump 21, a water source heat pump 20, a circulating pump II 6, a circulating pump III 9, a circulating pump IV 15, a circulating pump V18, a plate type heat exchanger 8, a control valve II 7, a control valve V16, a control valve VI 17, a control valve III 11, a tap water connector III 12, a bubble pool 3, a temperature sensor I2 and a drain valve I1;
the device for recovering the waste heat of the wastewater in the soaking pool comprises a water separator 4, a first circulating pump 5, a ninth circulating pump 45, a grassland pipeline 46, a sewage main channel 47 and a water source heat pump 20;
a water outlet of the tail end fan coil system is connected with an inlet of an evaporation end of the water source heat pump unit 37 through a first evaporation water pipe, a circulation pump seven 36 is installed on the first evaporation water pipe, an outlet of the evaporation end of the water source heat pump unit 37 is communicated with a water inlet of the tail end fan coil system through a second evaporation water pipe, a control valve ten 35 is installed on the second evaporation water pipe, the first evaporation water pipe is communicated with a water replenishing tank 34 through a water pipe, the water replenishing tank 34 is communicated with a tap water interface I32 through a water pipe,
a first water outlet of the waste heat recovery water tank 28 is connected with an inlet of a condensation end of the water source heat pump unit 37 through a second path of condensed water pipe, an outlet of the condensation end of the water source heat pump unit 37 is communicated with a first water inlet of the waste heat recovery water tank 28 through the first path of condensed water pipe, a circulating pump six 31 is installed on the first path of condensed water pipe, a second water inlet of the waste heat recovery water tank 28 is communicated with a tap water interface two 30 through a water pipe, a control valve eight 29 is installed on the water pipe, a second water outlet of the waste heat recovery water tank 28 is communicated with a first water inlet of the medium heat exchange water tank 23 through a water pipe, a control valve seven 24 is installed on the water pipe, and a liquid level sensor three 26 and a temperature sensor;
a first water outlet of the intermediary heat exchange water tank 23 is communicated with a water inlet of a solar cell panel 44 through a water pipe, a control valve thirteen 43 is installed on the water pipe, the water outlet of the solar cell panel 44 is connected with two water pipes in parallel, a control valve eleven 41 is installed on one water pipe, a phase change heat storage device is installed on a pipeline behind the control valve eleven 41, a control valve twelve 42 is installed on the other water pipe, outlets of the two water pipes connected in parallel are communicated into one water pipe, a circulating pump eight 39 is installed on the water pipe, the water pipe is communicated with a second water inlet of the intermediary heat exchange water tank 23, a second water outlet of the intermediary heat exchange water tank 23 is communicated with a first water inlet of the hot water tank 19 through a water pipe, and a control valve four 14 is installed on the;
a first water outlet of the hot water tank 19 is communicated with an inlet of a condensation end of an air source heat pump 21 through a second condensate pipe, a circulation pump IV 15 is installed on the second condensate pipe, an outlet of the condensation end of the air source heat pump 21 is communicated with a third water inlet of the hot water tank 19 through a first condensate pipe, a control valve V16 is installed on the first condensate pipe, a second water inlet of the hot water tank 19 is communicated with a tap water interface III 12 through a water pipe, a control valve III 11 is installed on the water pipe, the hot water tank 19 is communicated with a high-temperature heat exchange side of the plate type heat exchanger 8 through a water pipe, a circulation pump III 9 is installed on the water pipe, a low-temperature heat exchange side of the plate type heat exchanger 8 is communicated with the bubble pool 3 through a water pipe, a circulation pump II 6 is installed on the water pipe, and a liquid level sensor I13;
the first temperature sensor 2 is installed in the soaking pool, the water outlet of the soaking pool 3 is communicated with the water distributor 4 through a water pipe, the first control valve 1 is installed on the water pipe, the first water outlet of the water distributor 4 is communicated with the grassland pipeline 46 through a water pipe, the nine 45 circulating pump is installed on the water pipe, the grassland pipeline 46 is communicated with the sewage main channel 47, the second water outlet of the water distributor 4 is communicated with the inlet of the evaporation end of the water source heat pump 20 through a first evaporation water pipe, the first circulating pump 5 is installed on the water pipe, the outlet of the evaporation end of the water source heat pump 20 is communicated with the sewage main channel 47 through a second evaporation water pipe, the outlet of the condensation end of the water source heat pump is communicated with the third inlet of the heating tank through a second condensation water pipe, and the inlet of the condensation end of the water source heat.
Certainly, the heat preservation water pipe is laid on the lawn, the foam pool wastewater is introduced, in order to adjust the temperature, a tap water pipe can be additionally arranged at the upstream of the heat preservation water pipe before the foam pool wastewater is introduced into the lawn heat preservation water pipe, a water mixer is additionally arranged, two paths of input of the water mixer are respectively a tap water pipe and a water drainage pipe of the water separator, and the output of the water mixer is the input of the heat preservation water pipe.
By the scheme, the structure of specific water supply, heat collection, heat exchange, heat concentration and distribution is realized, so that heat is stored in the hot water tank and is heated in cooperation with solar energy to reach the required heat to be supplied to the bubble pool.
In one embodiment, it provides a heat linking method suitable for golf course, which may be the use of the above system, so as to realize a specific control method of heat flow with the system, mainly comprising the following steps:
a hall tail end fan coil system of a golf course exchanges heat with tap water stored in a waste heat recovery water tank 28 through a water source heat pump unit 37 to obtain cold, circulating water of the hall tail end fan coil system is used for cooling air in a golf room in summer, the indoor temperature reaches a set comfortable temperature range, tap water which is stored in the waste heat recovery water tank 28 and is introduced through a tap water connector II 30 is connected into a condenser of the water source heat pump unit 37 through a circulating pump six 31 to carry out heat exchange circulation and obtain heat, a temperature sensor IV 27 of the waste heat recovery water tank 28 measures the temperature of the tap water in the waste heat recovery water tank 28, when the water temperature reaches 37 ℃, a control valve seven 24 is opened, the circulating water in the waste heat recovery water tank 28 is introduced into an intermediate heat exchange water tank 23, and a control valve eight 29 for controlling the tap water to be introduced into the waste heat recovery water, the tap water connector II 30 is used for replenishing water to the waste heat recovery water tank 28, when the liquid level sensor III 26 measures that the liquid height of the waste heat recovery water tank 28 is saturated, the control valve eighth 29 is closed, the liquid height of the waste heat recovery water tank 28 is enabled to be in a relatively stable position, meanwhile, the temperature of circulating water in the waste heat recovery water tank 28 is reduced, when the liquid level sensor III 26 measures that the liquid level of the circulating water in the waste heat recovery water tank 28 is reduced to the required water replenishing position, the water replenishing valve eighth 29 is automatically opened, water is replenished by using the tap water connector II 30, and the liquid level of the waste heat recovery water tank 28 is enabled to be maintained;
circulating water in the intermediate heat exchange water tank 23 is introduced into the solar cell panel 44, and the circulating water is heated by the solar cell panel 44 under the sun irradiation;
setting an illumination intensity threshold range, corresponding to a solar radiation value, and aiming at different solar radiation values, three heating modes are provided:
1. and (3) a normal mode: when the solar radiation intensity is proper, the illumination intensity sensor detects that the current illumination intensity is within the illumination intensity threshold range, the control valve eleven 41 is closed, the control valve twelve 42 is opened, the device does not need to open the phase change heat storage device 40, and the water in the intermediate heat exchange water tank 23 is directly heated;
2. and (3) energy storage mode: when the solar radiation intensity is too large, the illumination intensity sensor detects that the current illumination intensity exceeds and is larger than the illumination intensity threshold range, the control valve twelve 42 is closed, the control valve eleven 41 is opened, the system starts the phase change heat storage device 40, and excessive heat energy is stored;
3. a heat generation mode: when the solar radiation intensity is insufficient, the illumination intensity sensor detects that the current illumination intensity is insufficient and smaller than the illumination intensity threshold range, or the temperature sensor III 22 detects that the water temperature of the intermediate heat exchange water tank 23 is lower than the threshold, the control valve twelfth 42 is closed, the control valve eleventh 41 is opened, and the system opens the phase change heat storage device 40 to release the heat energy stored in the heat storage mode;
the heated water returns to the intermediate heat exchange water tank 23 through a circulation pump eight 39, the water in the intermediate heat exchange water tank 23 is further heated, the water temperature in the intermediate heat exchange water tank 23 is maintained at 46-50 ℃, a control valve four 14 is opened when a temperature sensor three 22 measures that the temperature of the water in the intermediate heat exchange water tank 23 reaches 48 ℃, the water is output to the hot water tank 19, when a liquid level sensor two 25 measures that the liquid level of the intermediate heat exchange water tank 23 falls to a lower limit water level, the control valve four 14 is closed, and a control valve seven 24 is opened for supplementing water to the intermediate heat exchange hot water tank 23 within a period of time;
at night, the air source heat pump 21 heats the hot water in the hot water tank 19 by utilizing the characteristic of low peak-to-valley electricity price;
before the golf course is in business in the daytime, a second circulating pump 6 and a third circulating pump 9 are started, the temperature of the bubble pool is heated through a plate heat exchanger 8 by utilizing the heat of water in a hot water tank 19, if the heating requirement cannot be met, a second control valve 7 is opened, high-temperature hot water in the hot water tank 19 is directly introduced into the bubble pool 3 and is heated, the temperature of the bubble pool 3 is ensured to be constant, and the temperature is maintained at 38-42 ℃;
when the golf course is opened in the daytime, the water in the hot water tank 19 is maintained at 44-50 ℃, and the first control valve 1 is used for draining the soaking pool 3;
the water temperature in the hot water tank 19 is different for the following working modes in the daytime and at night:
heating in the daytime:
non-heating mode
When the temperature sensor II 10 measures that the water temperature in the hot water tank 19 reaches 49 ℃, the control valve V16 and the control valve V17 are both closed, the system closes the air source heat pump 21 and the water source heat pump 20, and the water in the bubble pool 3 is heated only through the heat exchanger 8.
Heating mode
And when the temperature sensor II 10 measures that the temperature of the water in the hot water tank 19 is lower than 49 ℃, the control valve V16 is opened, and the air source heat pump 21 is started by the system.
Preheating in black days:
heating mode
The water source heat pump 20 is preferentially started to recover waste heat of the wastewater discharged from the bubble pool 3, and after the wastewater is circularly discharged to the sewage main channel, the air source heat pump 21 is started to preheat the water in the hot water tank 19;
the waste water waste heat recovery device of the soaking pool 3 mainly comprises a water separator 4, a first circulating pump 5, a ninth circulating pump 45, a grassland pipeline 46, a sewage main channel 47 and a water source heat pump 20. The working principle is that the waste water discharged from the soaking pool 3 of the golf course at night is partially distributed by a circulating pump nine 45 through a water distributor 4 to heat the grassland, the service life of the grassland is prolonged, and the waste water is partially distributed by a circulating pump 5 to supply the water to the heat pump 20 for further heat exchange and is discharged to the sewage main channel 47 after circulation.
In the embodiment, a specific control method for water supply, heat collection, heat exchange, heat concentration and distribution is specifically realized, so that heat is stored in the hot water tank and is heated in cooperation with solar energy to reach the required heat to be supplied to the bubble pool.
In one embodiment, a golf course bubble bath heating and green warming system is provided, which is part of the above system, and which specifically addresses the problem of how to provide, exchange heat, and supply and recover green between the bubble bath and the hot water tank. The system mainly comprises a hot water tank 19, a bubble pool 3, an air source heat pump 21, a water source heat pump 20, a plate type heat exchanger 8, a water separator 4, a control valve and a circulating pump; a first water outlet of the hot water tank 19 is communicated with an inlet of a condensation end of an air source heat pump 21 through a second condensate pipe, a circulation pump IV 15 is installed on the second condensate pipe, an outlet of the condensation end of the air source heat pump 21 is communicated with a third water inlet of the hot water tank 19 through a first condensate pipe, a control valve V16 is installed on the first condensate pipe, a second water inlet of the hot water tank 19 is communicated with a tap water interface III 12 through a water pipe, a control valve III 11 is installed on the water pipe, the hot water tank 19 is communicated with a high-temperature heat exchange side of the plate type heat exchanger 8 through a water pipe, a circulation pump III 9 is installed on the water pipe, a low-temperature heat exchange side of the plate type heat exchanger 8 is communicated with the bubble pool 3 through a water pipe, a circulation pump II 6 is installed on the water pipe, and a liquid level sensor I13; the first temperature sensor 2 is installed in the soaking pool 3, the water outlet of the soaking pool 3 is communicated with the water distributor 4 through a water pipe, the first control valve 1 is installed on the water pipe, the first water outlet of the water distributor 4 is communicated with the grassland pipeline 46 through a water pipe, the circulating pump nine 45 is installed on the water pipe, the grassland pipeline 46 is communicated with the sewage main channel 47, the second water outlet of the water distributor 4 is communicated with the inlet of the evaporation end of the water source heat pump 20 through a first evaporation water pipe, the circulating pump 5 is installed on the water pipe, the outlet of the evaporation end of the water source heat pump 20 is communicated with the sewage main channel 47 through a second evaporation water pipe, the outlet of the condensation end of the water source heat pump 20 is communicated with the third inlet of the heating tank through a second condensation water pipe, and the inlet of the condensation end of the water source heat pump.
In one embodiment, the hot water tank 19 is used for storing hot water and supplying the hot water to the foam pool 3, the air source heat pump 21 is used for heating the water in the hot water tank 19 and maintaining the temperature of the water in the hot water tank 19, the hot water tank 19 is internally provided with a sensor and a temperature sensor which are used for monitoring the temperature and the liquid level of the water in the hot water tank 19, the foam pool 3 of the golf course is internally provided with a temperature sensor, the temperature of the water is required to be maintained in a constant range, the hot water tank 19 is used for supplying the heat source to the foam pool 3, when the temperature of the water in the foam pool 3 is lower than a set temperature, the second circulating pump 6 and the third circulating pump 9 are started, the water in the hot water tank 19 exchanges heat with the foam pool water through the plate type heat exchanger 8 and maintains the temperature of the foam pool water, and when the temperature of the foam pool 3 is too low, the second control valve 7 is started to directly discharge the hot water in;
when the bubble pool 3 drains, part of the drained water of the bubble pool 3 is shunted through the water segregator 4, the part of the drained water is started through the first circulating pump 5 and is conveyed to the water source heat pump 20, the waste heat of the water in the bubble pool 3 is recovered through the water source heat pump 20, the heat is returned to the hot water tank 19, and the water in the hot water tank is heated;
at night, the water separator 4 is used for separating partial drainage of the soaking pool 3 to heat the lawn, so that the lawn is kept at a proper temperature, and the service life of the lawn is prolonged. After the golf course stops business at night; opening a control valve 1 to drain water in the foam pool, dividing the drained water into two parts which are discharged to the grassland and a water source heat pump 20 through a water separator 4, controlling the opening degree of the water separator 4 by a prediction algorithm, when the surface temperature is lower than the proper growth temperature of the grassland, guiding part of hot water to a heating pipeline of the grassland by the water separator 4, heating the grassland to prevent the surface temperature from being lower and damaging the growth of the grassland, when the surface temperature reaches or is higher than the proper growth temperature of the grassland, stopping supplying water to the heating pipeline by the water separator 4, guiding all water to the water source heat pump 20 and supplying heat energy to the water in a hot water tank 19, recovering the waste heat of the drained water in the foam pool 3, and circularly heating the water in the pool.
The above solution specifies how the bubble bath is configured for heat supply and heat recovery of the lawn, by means of which system it is achieved that heat is used in the heat bath for storage and is supplied to the lawn at the right moment.
In one embodiment, in order to solve the problem of temperature control of the lawn by waste heat of the bubble pool, the heating control method for supplying the waste heat of the golf course to the lawn is provided, and comprises the following steps
The water separator is set to the following six gears:
[1] the opening degree to the grassland heating pipeline is maximum and the energy release is maximum when the opening degree is 100 percent;
[2] 80% opening degree;
[3] opening degree of 60%;
[4] opening degree of 40%;
[5] opening degree of 20%;
[6] closing;
first, a typical low temperature working day temperature T is setd: selecting the night hour-by-hour temperature of the date with the lowest night average temperature of a certain month in recent years as the typical low-temperature working day temperature TdThe night range is 21: 00-day 6:00, the highest gear of the water separator can meet the requirement that the grassland keeps proper temperature at the typical low-temperature working day temperature;
secondly, set up a plurality of temperature sensor on the lawn surface, 9: 00-day 6: starting 15 minutes before 00 whole hour, detecting the earth surface temperature T once every 1 minute, detecting 15 earth surface temperatures T in 15 minutes, and averaging to obtain
Figure GDA0002722129810000081
Measured temperature as the number of integral points:
Figure GDA0002722129810000091
thirdly, executing a control algorithm: according to measured temperature
Figure GDA0002722129810000092
And typical low temperature working day temperature TdThe gear of the water separator is determined by selecting the size of the difference, and the specific decision is as follows:
Figure GDA0002722129810000093
omega-difference decision coefficient
The difference decision coefficient omega and the water segregator gear selection relation are as follows:
table: corresponding relation between difference value omega and water separator gear
Figure GDA0002722129810000094
21: 00-day of the next 6: 00 hour integer times, and further adjusting different opening degrees of the water separator (4) for supplying water to the grassland, 7: 00 stopping water supply to the grassland, keeping the water separator 9 at [6] 0%, and opening the water separator to 21:00 starts the repeat decision.
By the scheme, the automatic control of lawn heat supply is realized through temperature statistics and algorithm control, so that heat is more reasonably supplied to the lawn and recovered.
In one embodiment, the filter cartridge system for bubble pool sewage treatment of the golf course is installed in a bubble pool waste water waste heat recovery device.
The system comprises a cylinder body 48, wherein the cylinder body 48 is a cylindrical cylinder body 48 or a regular polygon cylinder body 48, a concentric filter screen cylinder 49 is arranged in the cylinder body 48, a distance is reserved between the inner wall of the cylinder body 48 and the outer wall of the filter screen cylinder 49, the bottom of the filter screen cylinder 49 is a cylinder plate, the cylinder plate is connected with a rotating shaft, the rotating shaft is connected with a motor, the circumferential cylinder wall of the filter screen cylinder 49 is provided with filter holes, and the inner space of the filter screen cylinder 49 is divided into four chambers by a partition plate 50;
two buffer areas 51 are arranged at two opposite positions of the cylinder 48, the buffer areas 51 are body-shaped areas which are enclosed by two vertical plates and a vertical partition plate 50 and are provided with one end opening, the buffer areas are fixed on the inner wall of the cylinder 48 through the vertical partition plate 50, the two vertical plates are abutted against the upper cylinder cover and the lower cylinder cover of the cylinder 48, the vertical plates are arranged towards the filter screen cylinder 49 and have a distance which does not obstruct the rotation of the filter screen cylinder 49 in the cylinder 48 and are close to the filter screen cylinder 49 as much as possible, the space between the inner wall of the cylinder 48 and the outer wall of the filter screen cylinder 49 is divided into two areas on the circumference by the two buffer areas 51, one area is a hot water area (hot water chamber) and the other area is a cold water area (cold water chamber), the hot water area is provided with a hot water inlet 52 and a hot water outlet 53, the hot water inlet of the hot water area is positioned at the upper cover of the cylinder 48 and is led into the filter screen cylinder 49 through a pipeline, the hot water outlet 53 is positioned, the cold water area is provided with a cold water inlet 54 and a cold water outlet 55, the cold water inlet 54 is opened from the wall of the cylinder and faces the filter screen cylinder 49 corresponding to the cold water area from the water outlet of the pipeline, preferably, the cold water inlet is communicated with a brush body which can be communicated with the pipeline, the whole brush body is made of water-absorbing materials such as cloth, and the brush body is positioned between the inner wall of the cylinder and the outer wall of the filter screen cylinder. Or the brush body can store water and guide the stored water to the brush surface, the brush body is positioned between the inner wall of the barrel body and the outer wall of the filter screen barrel, the brush surface is contacted with the outer wall of the filter screen barrel, and the cold water outlet 55 is positioned at the bottom of the barrel body 48 in the cold water area.
In one scheme, the water inlet is a round opening, and the water outlet is a flat opening.
By the scheme, the waste water is filtered in the hot water area and the filter screen cylinder is rotated to the cold water area through the arrangement of the hot water area and the cold water area, the filter screen cylinder is cleaned in the cold water area, so that the filtering and cleaning in one subarea are realized, the mixing of two kinds of water is reduced as much as possible, the hot water can be used as much as possible after being filtered, the bottom of the filter screen cylinder is provided with a cylinder plate which is connected with a rotating shaft, the rotating shaft is connected with a motor, in order to make the sealing performance as much as possible, the cylinder plate of the filter screen cylinder and the cylinder plate of the cylinder body are concentric plates, the cylinder plate of the cylinder body is positioned at the periphery of the cylinder plate of the filter screen cylinder, in order to not influence the rotation of the cylinder plate of the filter screen cylinder and ensure the sealing performance, the contact surfaces of the two can be adhered with rubber, or the contact surfaces of the two contact surfaces are provided with a gap which can not influence the rotation of the cylinder plate of the filter screen cylinder, and, its actual gap distance can be very little, influence to the leakproofness has been less, and a section of thick bamboo changes to make the water that removes have centrifugal force, and most can directly be received by the side of barrel, and slide down along the side inner wall, so, the gap is very little to sealed influence, however, still in order to overcome this influence, the barrel head of filter screen cylinder or the barrel head of barrel border department have a vertical board, the vertical distance of this board can be selected to 3 ~ 5mm, thereby can reduce sealed influence (or be called the bottom surface influence of leaking).
According to the system, the primary sewage flows in from the hot water inlet, passes through the inner wall of the rotating chamber, the rotating chamber rotates under the driving action of the stepping motor, and the generated centrifugal force enables the sewage impurities in the sewage to be attached to the inner wall of the rotating chamber. The filtered primary sewage flows out from the hot water outlet and is used for heat exchange of a rear-end heating system. The dirty debris of rotatory cavity inner wall is under the drive of filter screen, and the cold water cavity that has the chassis breach is rotated to by hot water cavity. The system waste water generated by the heating system flows in from the flushing water inlet, is flushed inwards from the outer wall of the rotary cavity under the pressurization action of the pressurization pump and the flat water outlet, and flows out from the cold water outlet along with the dirt and impurities in the rotary cavity.
This scheme and the whole special waste heat recovery system in above-mentioned golf course, perhaps other constitutions inside this system can combine to can be to having been used by the lawn and having the hot water's of filth heat recovery, specifically the hot water entry of this system communicates with the export of sewage main canal for solve the problem to sewage filtration and heat use. Certainly, a hot water outlet of the system can be communicated with a water inlet of the water source heat pump (20), so that the heat energy of the part is further recovered by the water source heat pump, and after the heat exchange of the water source heat pump, the part of water is relatively clean cold water and is discharged from the water outlet of the water source heat pump (20).
The cold water inlet of the filter cylinder system can be communicated with a tap water pipe to flush fresh water, and more preferably, the cold water inlet is communicated with the water outlet of the water source heat pump (20), the filter cylinder system can be directly flushed by cleaner cold water discharged by the water source heat pump, so that the filtered hot water heat is used, and can be recycled for flushing after being used, energy is saved, the filter cylinder system can be reused, the utilization rate of water resources is more reasonable, the cold water outlet of the filter cylinder system is connected with a sewage main channel (the part of the sewage main channel which is used for directly discharging but not connected with the filter cylinder system) or another sewage main channel (the sewage main channel which is directly discharged), sewage without heat is discharged, and fourteen (56) control valves are arranged between the water discharge pipe of the water outlet of the water source heat pump (20) and the sewage main channel, so that the water discharge can be controlled.
In one embodiment, in order to solve the problems of waste water filtration and heat recovery and ensure that a filter screen is clean as much as possible, a method for treating the water discharged from a pool of a golf course is provided, wherein a motor drives the whole filter screen cylinder to rotate, the filter screen cylinder integrally and circularly rotates in a hot water area and a cold water area, raw sewage enters the filter screen cylinder in the hot water area, hot water is filtered by the filter screen part of the hot water area at the current moment and discharged to the hot water area outside the filter screen cylinder by the rotation of the hot water area, and is mostly blocked by a buffer area and discharged from a hot water outlet, and when the filter screen of the hot water area at the moment rotates to the cold water area, the filter screen filters in the hot water area, and filter substances left on the filter screen are sprayed with cold water by a pipeline of a cold water inlet in the cold water area, and are sprayed and discharged from a cold water outlet of the cold water.
In one scheme, raw sewage flows in from a hot water inlet and passes through the inner wall of a rotating chamber of a filter screen cylinder, the rotating chamber rotates under the driving action of a stepping motor, the generated centrifugal force enables dirt and impurities in the sewage to be attached to the inner wall of the rotating chamber of the filter screen cylinder, and the filtered raw sewage flows out from a hot water outlet and is used for heat exchange of a rear-end heating system; the dirty debris of the rotatory cavity inner wall of filter screen section of thick bamboo are under the drive of filter screen, by the cold water cavity that the hot water cavity rotated to have the chassis breach, and the system waste water that heating system produced flows in by the cold water entry, under the pressurization effect of force (forcing) pump and flat mouthful of delivery port, washes away from rotatory cavity outer wall inwards, and the dirty debris that are carrying in the rotatory cavity flows out from the cold water export.
By the scheme, the waste water is filtered in the hot water area, the filter screen cylinder is rotated to the cold water area, and the filter screen cylinder is cleaned in the cold water area, so that the purposes of filtering and cleaning in one subarea are achieved, the mixing of two kinds of water is reduced as much as possible, and the hot water can be used as much as possible after being filtered.
Example 2: as shown in figure 1, the waste heat recovery system special for the golf course is disclosed, and the whole system consists of four parts, namely a hall waste heat recovery device, a solar heating device, a bubble pool waste heat recovery device and a bubble pool waste water waste heat recovery device. The hall waste heat recovery device comprises a hall tail end fan coil system 38, a water source heat pump unit 37, a tail end circulating pump seven 36, a tail end control water valve 35, a water supplementing tank 34, a water supplementing control valve nine 33, a tap water connector I32, a waste heat recovery pump 31, a waste heat recovery water tank 28, a temperature detector 27 and a liquid level sensor III 26 which are installed inside the waste heat recovery water tank 28, a tap water connector II 30 and a control valve eight 29. The main working principle is that circulating water of 13 ℃ (inlet water) and 8 ℃ (return water) is generated by a fan coil system 38 at the tail end of a hall and used for cooling air in a golf room in summer, so that the indoor temperature reaches a comfortable temperature range set by a guest. Tap water introduced through the tap water connector II 30 and stored in the waste heat recovery water tank 28 is connected to a condenser of the water source heat pump unit 37 through the circulating pump six 31 for heat exchange circulation, the temperature of the tap water in the waste heat recovery water tank 28 is measured through the temperature sensor IV 27, when the water temperature reaches 37 ℃, the control valve IV 24 is opened, part of the water in the waste heat recovery water tank 28 is introduced into the intermediate heat exchange water tank 23, the control valve IV 29 is opened at the same time, water is replenished to the waste heat recovery water tank 28 through the tap water connector II 30, the control valve IV 29 is closed when the liquid level of the recovery water tank 28 is measured by the liquid level sensor III 26 and the liquid level of the recovery water tank 28 reaches saturation, the liquid level of the waste heat recovery water tank 28 is in a relatively stable position, the temperature of circulating. And when the third liquid level sensor 26 measures that the liquid level in the waste heat recovery water tank 28 is reduced to a certain degree, the water replenishing valve 29 is automatically opened, and water is replenished by using the second tap water connector 30, so that the liquid level of the waste heat recovery water tank 28 is maintained at a relatively stable position.
The solar heating device comprises an intermediate heat exchange water tank 23, a temperature sensor III 22 and a liquid level sensor II 25 which are arranged in the intermediate heat exchange water tank 23, a solar cell panel 44, a control valve eleven 41, a control valve twelve 42, a control valve thirteen 43, a phase change heat storage device 40, a circulating pump eight 39 and a control valve IV 14; the main working principle is as follows: the sun irradiates the solar cell panel 44 and further heats the water in the intermediate heat exchange water tank 23 through the circulating pump eight 39, so that the temperature of the water in the intermediate heat exchange water tank 23 is maintained at 46-50 ℃, the control valve four 14 is opened to send water to the hot water tank 19 when the temperature sensor three 22 measures that the temperature of the water in the intermediate heat exchange water tank 23 reaches 48 ℃, the control valve four 14 is closed when the liquid level sensor two 25 measures that the liquid level of the intermediate heat exchange water tank 23 falls to a certain height, and the control valve seven 24 is opened for a period of time to supplement water to the intermediate heat exchange hot water tank 23. The solar energy waste heat recovery device is characterized in that: there are three modes of operation for different solar radiation values:
1. normal mode
When the intensity of solar radiation is proper, the control valve eleven 41 is closed, the control valve twelve 42 is opened, and the device directly heats the water in the intermediate heat exchange water tank 23 without opening the phase change heat storage device 40.
2. Mode of energy storage
When the solar radiation intensity is too high, the control valve twelve 42 is closed, the control valve eleven 41 is opened, and the system starts the phase change heat storage device 40 to store too much heat energy.
3. Heating mode
When the solar radiation intensity is insufficient or the temperature sensor three 22 measures that the water temperature of the intermediate heat exchange water tank 23 is too low, the control valve twelve 42 is closed, and the control valve eleven 41 is opened. The system starts the phase change heat storage device 40 to release the heat energy stored in the 2. heat storage mode, so that the evaporation temperature is increased, and the evaporation temperature is kept at a certain temperature to improve the operation efficiency of the solar waste heat recovery device.
The bubble pool waste heat recovery device comprises a hot water tank 19, a second temperature sensor 10 and a first liquid level sensor 13 which are arranged inside the hot water tank 19, an air source heat pump 21, a water source heat pump 20, circulating water 6, a circulating water pump 9, a circulating water pump 15, a circulating water pump 18, a plate type heat exchanger 8, a second control valve 7, a fifth control valve 16, a sixth control valve 17, a third control valve 11, a third tap water connector 12, a bubble pool 3, a first temperature sensor 2 and a first control valve 1. The main working principle is that at night, the air source heat pump 21 heats hot water in the hot water tank 19 by utilizing the characteristic of low peak-valley electricity price, before the golf course is in business in the daytime, the circulating pump II 6 and the circulating pump III 9 are started, the temperature of the bubble pool is heated by utilizing the heat in the hot water tank 19, if the temperature of the bubble pool cannot meet the requirement, the control valve II 7 is opened, high-temperature hot water in the hot water tank 19 is directly introduced into the bubble pool to heat the bubble pool, so that the temperature of the bubble pool is kept constant and is maintained at 38 ℃ to 42 ℃. During the day when the golf course is in operation, the water in the hot water tank 19 is maintained at 44 ℃ to 50 ℃. The drain valve 1 is used for draining water in the bubble pool.
The hot water in the hot water tank 19 heats the water in the bubble tank 3 through the circulating water pump 6 by the plate heat exchanger 8 through the circulating water pump 9, so that the water in the bubble tank is maintained at 38 ℃ to 42 ℃. When the water in the soaking pool 3 is insufficient, the second control valve 7 can be opened to supplement water to the soaking pool 3 by using the water in the hot water tank 19. Bubble pond waste heat recovery device characterized in that: the water temperature in the hot water tank 19 is different for the following working modes in the daytime and at night:
heating in the daytime:
1. non-heating mode
When the temperature sensor II 10 measures that the water temperature in the hot water tank 19 reaches 49 ℃, the control valve V16 and the control valve V17 are both closed, and the air source heat pump 21 and the water source heat pump 20 are closed by the system. The water in the bubble tank 3 is heated only by the heat exchanger 8.
2. Heating mode
And when the temperature sensor II 10 measures that the temperature of the water in the hot water tank 19 is lower than 49 ℃, the control valve V16 is opened, and the air source heat pump 21 is started by the system.
Preheating in black days:
1. heating mode
The water source heat pump 20 is preferentially started to recover waste heat of the wastewater discharged from the bubble pool, and after the wastewater is circularly discharged to the sewage main channel, the air source heat pump 21 is started to preheat the water in the hot water 19.
The device for recovering the waste heat of the wastewater in the soaking pool comprises a water separator 4, a first circulating pump 5, a ninth circulating pump 45, a grassland pipeline 46, a sewage main channel 47 and a water source heat pump 20. The working principle is that the waste water discharged from the soaking pool of the golf course at night is partially distributed by a circulating pump nine 45 through a water distributor 4 to heat the grassland, the service life of the grassland is prolonged, and the waste water is partially distributed by a circulating pump 5 to supply a water source heat pump for further heat exchange and is discharged to a sewage main channel 47 after circulation.
Aiming at the system, a golf course waste heat recovery and lawn heating algorithm is provided, and the system consists of a heat storage water tank, a foam pool, an air source heat pump, an electrically-driven water source heat pump, a plate type heat exchanger, a water separator, various pipelines, a throttle valve and a water pump.
The heat storage water tank is used for storing hot water and supplying hot water to the soaking pool, and the air source heat pump is used for heating the water in the heat storage water tank and maintaining the water temperature of the heat storage water tank.
The temperature of the water in the soaking pool of the golf course is required to be maintained in a constant range, a heat source is provided for the soaking pool by the heat storage water tank, when the temperature of the water in the soaking pool is lower than a set temperature, the water pump 1 and the water pump 2 are started, and the heat of the water in the heat storage water tank is exchanged with the water in the soaking pool through the plate heat exchanger to maintain the temperature of the water in the soaking pool. When the temperature of the soaking pool is too low, the water pump 3 is started, and hot water in the heat storage water tank is directly discharged into the soaking pool to heat the soaking pool.
When the bubble pond is drained, part of bubble pond water is conveyed to the electrically-driven water source heat pump, and the bubble pond water waste heat is recovered through the electrically-driven water source heat pump to heat the heat storage water tank.
At the early autumn night in the north, the lower grassland temperature is not suitable for the growth of the lawn, and partial water in the soaking pool is divided by the water separator 9 to be drained for heating the lawn so as to maintain the growth time of the lawn. After golf course stops the business, open choke valve 1 and bubble pond drainage, divide into through water knockout drum 9 with the drainage to meadow and electric drive water source heat pump two parts, also can be with the water reintroduction meadow after the electric drive water source heat pump of flowing through according to the meadow to the demand of temperature to maintain it, carry out reasonable recycle to bubble pond water waste heat. The opening degree of the water separator 9 is controlled and determined by a prediction algorithm. When the surface temperature is lower than the proper growth temperature of the lawn, the water separator 9 drains part of the hot water into the lawn heating pipeline to heat the lawn so as to prevent the lower surface temperature from damaging the growth of the lawn. When the surface temperature reaches or is higher than the proper growth temperature of the grass, the water separator 9 stops supplying water to the lawn heating pipeline, all the water is drained to the electrically-driven water source heat pump, and the waste heat of the water drained from the soaking pool is recovered to heat the water in the heat storage pool.
The basic idea of the algorithm is as follows:
the water separator 9 is set to the following six gears
[1] The opening degree to the grassland heating pipeline is maximum and the energy release is maximum when the opening degree is 100 percent;
[2] 80% opening degree;
[3] opening degree of 60%;
[4] opening degree of 40%;
[5] opening degree of 20%;
[6] and closing.
First, a typical low temperature working day temperature T is setdTaking the example of the big coupling as an example, the night hourly temperature (21: 00-6: 00 next day) of the date with the lowest night average temperature in the last 10 years and 10 months is selected as the typical low-temperature working day temperature TdThe highest gear of the water separator 9 should be able to meet the requirement that the grassland keeps the proper temperature at the typical low-temperature working day temperature. Typical low-temperature working day temperature T can be obtained through data query provided by Dalian weatherdAs in the following table:
table 1: typical low temperature weekday hourly temperature
Figure GDA0002722129810000151
The lawn surface is provided with a plurality of temperature sensors, 9: 00-day 6: starting 15 minutes before 00 whole hour, detecting the earth surface temperature T once every 1 minute, detecting 15 earth surface temperatures T in 15 minutes, and averaging to obtain
Figure GDA0002722129810000152
The temperature is measured as the number of integral points.
Figure GDA0002722129810000153
Control algorithm
When designing a control decision algorithm, the control decision algorithm is mainly based on the measured temperature
Figure GDA0002722129810000154
And typical low temperature working day temperature TdThe selection of the difference value determines the gear of the water separator. The specific decision is as follows:
Figure GDA0002722129810000155
omega-difference decision coefficient
The difference decision coefficient omega and the gear selection relation of the water segregator 9 are as follows:
table 2: corresponding relation between difference value omega and water separator gear
Figure GDA0002722129810000156
21: 00-day of the next 6: 00 hours per hour, the decision is made once, and then different opening degrees of the water separator 9 for supplying water to the grasslands are adjusted. 7: 00 stopping water supply to the grassland, keeping the water separator 9 at [6] 0%, and opening the water separator to 21:00 starts the repeat decision.
For the existing sewage source heat pump, the front end sewage treatment device can inevitably generate blockage, and the heat energy loss is large, in order to solve the problems, the embodiment provides the filter cartridge system for the sewage treatment of the soaking pool of the golf course, two buffer chambers are additionally arranged on two sides of the filter screen, and the heat energy loss generated by water flow permeation is greatly reduced. And the use of the vertically arranged barrel-shaped filter screen and the buffer chamber greatly improves the decontamination efficiency of the decontamination machine and accelerates the engineering application of the sewage source heat pump system.
The primary sewage flows in from the hot water inlet, and through the inner wall of the rotating chamber, the rotating chamber rotates under the driving action of the stepping motor, and the generated centrifugal force enables the dirt and impurities in the sewage to be attached to the inner wall of the rotating chamber. The filtered primary sewage flows out from the hot water outlet and is used for heat exchange of a rear-end heating system. The dirty debris of rotatory cavity inner wall is under the drive of filter screen, and the cold water cavity that has the chassis breach is rotated to by hot water cavity. The system waste water generated by the heating system flows in from the flushing water inlet, is flushed inwards from the outer wall of the rotary cavity under the pressurization action of the pressurization pump and the flat water outlet, and flows out from the cold water outlet along with the dirt and impurities in the rotary cavity. The back flush dirt separator comprises: the device comprises a dirt separator shell, a stepping motor, a barrel-shaped filter screen (filter screen cylinder), a partition plate welded on the inner wall of the barrel-shaped filter screen, an upper cover plate, a shaft and four water outlets/inlets arranged on the dirt separator shell.
The method comprises the following specific steps:
adopts a mode of water inlet with a round port and water outlet with a flat port. Because dirty debris adhesive force is strong and dirty debris volume is big, hang on the filter screen and hardly wash like some hair silk, adopt the mode that the flat mouthful of water that enters of circle mouthful goes out water, under the same rivers condition, flat mouthful not only has improved water pressure for the circle mouth and has made the washing dynamics increase, can also wash the filter screen of bigger tracts of land. And the filter screen is rotatory under spindle motor's drive, washes the area that the mouth has one sixth of a circular arc and wash same position at rotatory in-process, so increase hardly can have dirty debris to be detained after the water pressure, make the probability greatly reduced that dirty debris are attached to on the filter screen. This can improve the filtration efficiency.
The buffer area structures are arranged on the two sides, so that the heat exchange speed of the two chambers can be reduced through the transition of the buffer areas, the heat loss in the decontamination process is reduced, the heat obtained from sewage can be better utilized, and the energy conservation and emission reduction can be realized.
A rotatable cylindrical structure is adopted. Different from the flat filter screen in the past, cylindric structure can effectively avoid dirty debris winding and adhere to on the bucket wall, reduces the friction, does not influence its filterable in addition, can also carry out 360 and wash, can make the filter screen keep clean always to the native sewage of better filtration. And the filter screen is processed in a partition mode, two functions of filtering and cleaning up the dirt and sundries can be realized at the same time, the problem of pipeline blockage is successfully solved, heat in sewage can be fully recycled, and the resource utilization rate is improved.
Cylindric filter screen, baffle, the cross-sectional shape of baffle becomes the cross and divide into four leaf cavities with rotatory cavity, and every cavity all is equivalent to an independent space, will be divided into four bibliographic categories by filterable water, increase area of contact also makes cold water and hot water can separate, improves the scrubbing efficiency.
Specifically speaking, the system is installed in a bubble pool waste water waste heat recovery device, and specifically, a hot water inlet of the system is communicated with an outlet of a sewage main channel, so that the problems of sewage filtration and heat use are solved. Of course, the hot water outlet of the system may be in communication with the waterhead heat pump 20 so that the portion of the heat energy is further recovered by the waterhead heat pump.
The system comprises a cylinder body 48, wherein the cylinder body 48 is a cylindrical cylinder body 48 or a regular polygon cylinder body 48, a concentric filter screen cylinder 49 is arranged in the cylinder body 48, a distance is reserved between the inner wall of the cylinder body 48 and the outer wall of the filter screen cylinder 49, the bottom of the filter screen cylinder 49 is a cylinder plate, the cylinder plate is connected with a rotating shaft, the rotating shaft is connected with a motor, the circumferential cylinder wall of the filter screen cylinder 49 is provided with filter holes, and the inner space of the filter screen cylinder 49 is divided into four chambers by a partition plate 50;
two buffer areas 51 are arranged at two opposite positions of the cylinder 48, the buffer areas 51 are body-shaped areas which are enclosed by two vertical plates and a vertical partition plate 50 and are provided with one end opening, the buffer areas are fixed on the inner wall of the cylinder 48 through the vertical partition plate 50, the two vertical plates are abutted against the upper cylinder cover and the lower cylinder cover of the cylinder 48, the vertical plates are arranged towards the filter screen cylinder 49, a distance which does not obstruct the rotation of the filter screen cylinder 49 in the cylinder 48 is arranged between the vertical plates and the filter screen cylinder 49, the vertical plates are close to the filter screen cylinder 49 as much as possible, the space between the inner wall of the cylinder 48 and the outer wall of the filter screen cylinder 49 is divided into two areas on the circumference by the two buffer areas 51, one area is a hot water area and the other area is a cold water area, the hot water area is provided with a hot water inlet 52 and a hot water outlet 53, the hot water inlet of the hot water area is positioned at the upper cover of the cylinder 48 and is communicated with the filter screen, the cold water area is provided with a cold water inlet 54 and a cold water outlet 55, the cold water inlet 54 is opened from the wall of the cylinder 48 and faces the filter screen cylinder 49 corresponding to the cold water area from the water outlet of the pipeline, and the cold water outlet 55 is positioned at the bottom of the cylinder 48 of the cold water area.
In one scheme, the water inlet is a round opening, and the water outlet is a flat opening.
The primary sewage flows in from the hot water inlet, and through the inner wall of the rotating chamber, the rotating chamber rotates under the driving action of the stepping motor, and the generated centrifugal force enables the dirt and impurities in the sewage to be attached to the inner wall of the rotating chamber. The filtered primary sewage flows out from the hot water outlet and can be used for heat exchange of a rear-end heating system. The dirty debris of rotatory cavity inner wall is under the drive of filter screen, and the cold water cavity that has the chassis breach is rotated to by hot water cavity. The system waste water generated by the heating system flows in from the flushing water inlet, is flushed inwards from the outer wall of the rotary cavity under the pressurization action of the pressurization pump and the flat water outlet, and flows out from the cold water outlet along with the dirt and impurities in the rotary cavity. The system heats in a hot water area, and brushes the filter screen in a cold water area by the rotation of the filter screen cylinder, so that the filtering and the cleaning can be separated, the cleaning effect is better, the heat exchange is smaller, and the filtered heat can be fully utilized.
The system can adapt to various water flows and sewage flow rates, and compared with a common motor, the system adopts the metal gear which is more wear-resistant, has small friction and noise than a common plastic gear. And secondly, the all-copper coil has lower loss, high stability and longer service life. And because sewage not only contains water, but also is rich in dirt sundries, various physical and chemical properties of soluble liquid and the like, the density is high, when the sewage is introduced too much, the sewage in the sewage remover can exceed the working range of a common motor, so that the motor can not work or even be burnt out, and the maximum working capacity of the large-torque stepping motor selected by people can meet the condition that the whole sewage remover is filled with the sewage. And step motor speed is adjustable, and the water velocity of intaking in addition can all make the meeting an emergency in the face of various sewage structures, thereby adjusts the rotation rate of whole rotatory leaf cavity through adjusting the step motor rotational speed, strengthens the filter effect, has just so realized that the filter effect is adjustable, and adaptable environment also can be richened various, has improved the scrubbing efficiency of scrubbing machine greatly.
As for the pump of the system, a booster pump is adopted, the speed of the shielding type circulating water pump can be regulated in three gears, and when different powers are required, the water outlet speed can be freely regulated by regulating the red position. And secondly, intelligent pressurization can be realized, and energy conservation and environmental protection are realized. And the all-copper coil is adopted, so that the motor is stable and reliable, and the precise mechanical design is subjected to strict standard instrument testing.
Many existing sewage removers, but they all have more or less problems, and can not satisfy the sewage removing requirement of the sewage source heat pump, compare the system in this embodiment with the most common grid type sewage remover:
a filtering device: the grid type dirt removing machine adopts a grid for dirt removal, and has the defects of high abrasion, poor durability and easiness in hanging of filiform substances such as hairs. The filtering device adopted by the system of the embodiment is a barrel-shaped filtering net which is equivalent to a curved surface, so that the dirt and sundries are hung on the filtering net without going from the bottom, the problem of wire hanging is well solved, the abrasion is small, and the durability is good.
Impurity removal mode: the impurity removal of the grid type dirt separator is divided into two steps, wherein the two steps fall by means of gravity, part of solid dirt and impurities can fall freely under the action of gravity, and then the part of the dirt and impurities on the grid are swept down by means of the reverse motion of the sweeper, so that the impurity removal is realized. The impurity removal mode can lead the cleaner to be repeatedly contacted with the grids, thus reducing the service life, and the cleaner is not thorough in decontamination and easy to block. The sweeper is a rigid substance, and the grating is not a smooth surface, so that the sweeper and the grating cannot be in full contact, and the impurity removal is not thorough. According to statistics, the blockage rate of the grid type dirt separator is about ten percent per day. In order to avoid the problem, the sewage removing machine adopts the system wastewater to carry out back flushing, and the flexible substance, namely water, can be fully contacted with the filter screen to achieve the aim of completely removing the sewage.
And (3) dirt treatment: the dirt and sundries filtered by the grid type dirt remover can fall on the ground or in a trolley, and need to be manually treated for the second time, so that the time and the labor are consumed, and the cost is also increased. And the sewage removing machine does not need artificial secondary treatment, because the sewage and sundries flow out from the cooling water outlet along with the washing water and go to the place where the sewage and sundries go, the sewage and sundries removing machine is highly automatic, and the cost is reduced.
Device-to-system engagement: after the grid type sewage removing machine works, a large amount of system waste water used up by a heat supply system can be left, which is troublesome for a sewage source heat pump system and is also a great waste for water resources. The fundamental reason for this is that the engagement between the grid-type sewage treatment machine and the sewage source heat pump system is low. The system of the embodiment is tailored for the sewage source heat pump system, so that the fitting degree of the sewage remover and the sewage source heat pump system is high.

Claims (1)

1. A heating control method for supplying waste heat to a lawn in a golf course, which is characterized in that,
heating control is carried out through the heat supply and lawn heating system of the golf course soaking pool, and the water separator of the heat supply and lawn heating system of the golf course soaking pool is set to be at the following six gears:
[1] the opening degree to the grassland heating pipeline is maximum and the energy release is maximum when the opening degree is 100 percent;
[2] 80% opening degree;
[3] opening degree of 60%;
[4] opening degree of 40%;
[5] opening degree of 20%;
[6] closing;
first, a typical low temperature working day temperature T is setd: selecting the night hour-by-hour temperature of the date with the lowest night average temperature of a certain month in recent years as the typical low-temperature working day temperature TdThe night range is 21: 00-day 6: 00, the highest gear of the water separator can meet the requirement that the grassland keeps proper temperature at the typical low-temperature working day temperature;
secondly, set up a plurality of temperature sensor on the lawn surface, 9: 00-day 6: starting 15 minutes before 00 whole hour, detecting the earth surface temperature T once every 1 minute, detecting 15 earth surface temperatures T in 15 minutes, and averaging to obtain
Figure FDA0002722129800000011
Figure FDA0002722129800000012
Measured temperature as the number of integral points:
Figure FDA0002722129800000013
thirdly, executing a control algorithm: according to measured temperature
Figure FDA0002722129800000014
And typical low temperature working day temperature TdThe gear of the water separator is determined by selecting the size of the difference, and the specific decision is as follows:
Figure FDA0002722129800000015
omega-difference decision coefficient
The difference decision coefficient omega and the water segregator gear selection relation are as follows:
table: corresponding relation between difference value omega and water separator gear
Figure FDA0002722129800000016
21: 00-day of the next 6: 00 hour integer times, and further adjusting different opening degrees of the water separator (4) for supplying water to the grassland, 7: 00 stopping water supply to the grassland, keeping the water separator 9 at [6] 0%, and opening the water separator to 21:00 starting to repeat the decision;
the heat supply and lawn heating system for the golf course soaking pool mainly comprises a hot water tank (19), the soaking pool (3), an air source heat pump (21), a water source heat pump (20), a plate type heat exchanger (8), a water separator (4), a control valve and a circulating pump;
a first water outlet of the hot water tank (19) is communicated with an inlet of a condensing end of the air source heat pump (21) through a second condensate pipe, a fourth circulating pump (15) is arranged on the second condensate pipe, the outlet of the condensing end of the air source heat pump (21) is communicated with the third water inlet of the hot water tank (19) through the first condensate pipe, a control valve V (16) is arranged on the first condensed water pipe, a second water inlet of the hot water tank (19) is communicated with a tap water interface III (12) through a water pipe, a third control valve (11) is arranged on the water pipe, a hot water tank (19) is communicated with the high-temperature heat exchange side of the plate type heat exchanger (8) through the water pipe, and the water pipe is provided with a circulating pump III (9), the low-temperature heat exchange side of the plate heat exchanger (8) is communicated with the bubble pool (3) through the water pipe, a circulating pump II (6) is installed on the water pipe, and a liquid level sensor I (13) and a temperature sensor II (10) are installed in the hot water tank (19); a first temperature sensor (2) is arranged in the bubble pool (3), the water outlet of the bubble pool (3) is communicated with a water separator (4) through a water pipe, a first control valve (1) is arranged on the water pipe, a first water outlet of the water separator (4) is communicated with the grassland pipeline (46) through the water pipe, a circulating pump nine (45) is arranged on the water pipe, the grassland pipeline (46) is communicated with a sewage main channel (47), a second water outlet of the water separator (4) is communicated with an inlet of an evaporation end of the water source heat pump (20) through a first evaporation water pipe, a first circulating pump (5) is installed on the water pipe, an outlet of an evaporation end of the water source heat pump (20) is communicated with the sewage main channel (47) through a second evaporation water pipe, an outlet of a condensation end of the water source heat pump (20) is communicated with a third inlet of the heating tank through a second condensate pipe, and an inlet of the condensation end of the water source heat pump (20) is communicated with a first outlet of the heating tank through a first condensate pipe;
the hot water tank (19) is used for storing hot water and supplying the hot water to the foam pool (3), the air source heat pump (21) is used for heating the water in the hot water tank (19), maintaining the temperature of the water in the hot water tank (19), the hot water tank (19) is internally provided with a liquid level sensor and a temperature sensor which are used for monitoring the liquid level and the temperature of the water in the hot water tank (19), the foam pool (3) of a golf course is internally provided with a temperature sensor, the temperature of the water is required to be maintained in a constant range, the hot water tank (19) is used for supplying a heat source to the foam pool (3), when the temperature of the water in the foam pool (3) is lower than a set temperature, the circulating pump II (6) and the circulating pump III (9) are started, the water in the hot water tank (19) exchanges heat with the water in the foam pool through the plate type heat exchanger (8), the temperature of the water in the foam pool is maintained, when the temperature of the foam pool (3) is too low, the control valve II (7) is started, heating the soaking pool (3); when the bubble pool (3) drains water, part of the drained water of the bubble pool (3) is shunted through the water segregator (4), the part of the drained water is started through the first circulating pump (5) and is conveyed to the water source heat pump (20), the water source heat pump (20) recovers the water waste heat of the bubble pool (3), the heat is returned to the hot water tank (19), and the water in the hot water tank is heated; at night, the water separator (4) is used for separating part of the drainage of the soaking pool (3) for heating the lawn, maintaining the growth time of the lawn and stopping the business of the golf course at night;
opening a control valve I (1) to drain water in the foam pool, dividing the drained water into two parts which are discharged to the grassland and a water source heat pump (20) through a water distributor (4), wherein the opening degree of the water distributor (4) is controlled and determined by a prediction algorithm, when the surface temperature is lower than the proper growth temperature of the grassland, the water distributor (4) guides part of hot water to a lawn heating pipeline to heat the grassland so as to prevent the surface temperature from being lower and damage the growth of the grassland, when the surface temperature reaches or is higher than the proper growth temperature of the grassland, the water distributor (4) stops supplying water to the lawn heating pipeline, guides all water to the water source heat pump (20) and supplies heat energy to water in a hot water tank (19), and recovers the waste heat of the drained water in the foam pool (3) and circulates the water to heat the water in the.
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