CN103398506B - Mining combined cold-and-heat-supplying sewage-source cold and hot water unit and controlling method thereof - Google Patents
Mining combined cold-and-heat-supplying sewage-source cold and hot water unit and controlling method thereof Download PDFInfo
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- CN103398506B CN103398506B CN201310312905.8A CN201310312905A CN103398506B CN 103398506 B CN103398506 B CN 103398506B CN 201310312905 A CN201310312905 A CN 201310312905A CN 103398506 B CN103398506 B CN 103398506B
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Abstract
The invention discloses a mining combined cold-and-heat-supplying sewage-source cold and hot water unit and a controlling method thereof. The mining combined cold-and-heat-supplying sewage-source cold and hot water unit comprises a refrigerating system, a sewage-source-side heat exchanger, a cold-water-side heat exchanger, a hot-water-side heat exchanger and a controlling system. The refrigerating system comprises a compressor, a liquid reservoir, a dry filter and a vapor-liquid separator. The controlling system comprises an electric control box, a sensor set, a data acquisition module and a central control module, wherein the sensor set connected with the data acquisition module detects temperature and flow information of flowing water in the sewage-source-side heat exchanger, the cold-water-side heat exchanger and the hot-water-side heat exchanger in real time and feeds back the information to the central control module, and the compressor and the data acquisition module are connected with the central control module. The sewage-source-side heat exchanger is externally connected with a mining sewage source. By inputting one type of energy, cold water and hot water are generated at the same time, and the mining combined cold-and-heat-supplying sewage-source cold and hot water unit has the advantages of reasonable design, high efficiency, energy conservation, environment friendliness, comfortableness and stable and reliable operation, is capable of saving energy and reducing environmental pollution, and conforms to energy conservation and environmental protection policies nationally proposed.
Description
Technical field
The present invention relates to hot and cold water supply equipment, in particular a kind of mining cold and heat combined supply source of sewage water chiller-heater unit and control method thereof.
Background technology
Bargh's being in great demand to hot and cold water, mainly comprise: (this portion requirements amount is larger for the air-conditioning needs of technique hot and cold water (bargh produces required), main equipment cooling water (cooling of equipment, motor, bearing and equipment), equipment room and mine local space, winter, summer was based on cooling based on heat supply), air-conditioning system, domestic hot-water's demand (have a bath needed for life, daily water consumption etc.) of mining industry office and life.
At present, the hot and cold water needed for most of bargh is that the mode relying on handpiece Water Chilling Units refrigeration and boiler heat supplying to match provides.In summer, with handpiece Water Chilling Units refrigeration, supply technique cold water, equipment cooling water, idle call chilled water etc., now demand technique hot water, to have a bath and daily life hot water is then provided by boiler.In the winter time, adopt boiler to provide heating water, technique hot water, have a bath and daily life hot water, technique cold water, equipment cooling water are then provided by handpiece Water Chilling Units.
Bargh needs cold water and hot water simultaneously, but adopt refrigeration respectively and heat two complete equipments to realize, the dual energy consumption of two complete equipments, entire system operational efficiency is low, energy consumption large, and handpiece Water Chilling Units cooling tower can produce noise and mould contamination, boiler combustion heat supply can cause smoke-discharging pollution, the feature of environmental protection is low, and cold and heat supply equipment can not control with automatic in unified management, needs two batch operations and attendant, troublesome poeration, comfortableness is low.Do not meet the requirement of " energy-saving and emission-reduction " policy that current country advocates and construction of energy economizing type, friendly environment society.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of mining cold and heat combined supply source of sewage water chiller-heater unit and control method thereof, the problem be intended to solve existing bargh adopt refrigeration respectively and heat two complete equipments, low, the dual power consumption of efficiency of energy utilization, energy consumption be high, not meeting environmental protection and energy saving theory.
Technical scheme of the present invention is as follows: a kind of mining cold and heat combined supply source of sewage water chiller-heater unit, wherein, comprises refrigeration system, sewage source heat exchanger, cold water side heat exchanger, hot water source heat exchanger and control system, described refrigeration system comprises compressor, reservoir, device for drying and filtering and vapour liquid separator, described compressor one end is connected with vapour liquid separator one end, the vapour liquid separator other end is connected with cold water side heat exchanger one end, the cold water side heat exchanger other end is connected with device for drying and filtering one end, the device for drying and filtering other end is connected with reservoir one end, the reservoir other end is connected with sewage source heat exchanger one end, the sewage source heat exchanger other end, the compressor other end, the vapour liquid separator other end is connected by four-way change-over valve with hot water source heat exchanger one end, the hot water source heat exchanger other end is connected with the reservoir other end, sewage source heat exchanger one end is connected with device for drying and filtering one end,
Described control system comprises electric control box, sensor group, data acquisition module and central control module, described data acquisition module and central control module are all arranged in electric control box, described sensor group detects water flow temperature and water flow information in sewage source heat exchanger, cold water side heat exchanger and hot water source heat exchanger in real time, and feedback information is to central control module; Described sensor group is connected with data acquisition module, and described compressor, four-way change-over valve are connected with central control module respectively with data acquisition module; The external mining sewage source of sewage source heat exchanger.
Described mining cold and heat combined supply source of sewage water chiller-heater unit, wherein, described sensor group comprises wastewater influent temperature sensor, sewage leaving water temperature sensors, inlet water temperature sensor, Cold water-out temperature sensor, hot water inflow temperature sensor and hot water effluent's temperature sensor, described wastewater influent temperature sensor is arranged on the water inlet of sewage source heat exchanger, sewage leaving water temperature sensors is arranged on the delivery port of sewage source heat exchanger, inlet water temperature sensor setting is at the water inlet of cold water side heat exchanger, Cold water-out temperature sensor setting cold water side heat exchanger delivery port, hot water inflow temperature sensor setting is at the water inlet of hot water source heat exchanger, hot water effluent's temperature sensor is arranged on the delivery port of hot water source heat exchanger, described wastewater influent temperature sensor, sewage leaving water temperature sensors, inlet water temperature sensor, Cold water-out temperature sensor, cold water flow sensor, hot water inflow temperature sensor, hot water effluent's temperature sensor are all connected with data acquisition module respectively with hot water flow sensor, the water outlet of sewage source heat exchanger is provided with discharge of sewage switch, and described discharge of sewage switch is connected with data acquisition module, the water outlet of cold water side heat exchanger is provided with cold water frost prevention switch and cold water flow sensor, and described cold water frost prevention switch is connected with data acquisition module with cold water flow sensor, the water outlet of hot water source heat exchanger is provided with hot water flow switch, and described hot water flow switch is connected with data acquisition module.
Described mining cold and heat combined supply source of sewage water chiller-heater unit, wherein, be provided with the first pressure-head switch and first between described compressor and vapour liquid separator and fill non-return valve, all be provided with the second pressure-head switch and second between compressor and four-way change-over valve and fill non-return valve, described first pressure-head switch is all connected with central control module with the second pressure-head switch; Be provided with sewage source heat exchanger exit check valve between described sewage source heat exchanger and reservoir, between hot water source heat exchanger and reservoir, be provided with hot water source heat exchanger exit check valve.
Described mining cold and heat combined supply source of sewage water chiller-heater unit, wherein, be provided with sewage source heat exchanger expansion valve and sewage source heat exchanger magnetic valve between described sewage source heat exchanger and device for drying and filtering, described sewage source heat exchanger magnetic valve is connected with central control module; Be provided with cold water side heat exchanger expansion valve and cold water side heat exchanger magnetic valve between cold water side heat exchanger and device for drying and filtering, described cold water side heat exchanger magnetic valve is connected with central control module.
Described mining cold and heat combined supply source of sewage water chiller-heater unit, wherein, described mining cold and heat combined supply source of sewage water chiller-heater unit also comprises sewage and cleans rotating filter system, described sewage cleans rotating filter system and is connected with the water inlet of sewage source heat exchanger, and sewage cleans rotating filter system and is connected with central control module.
Described mining cold and heat combined supply source of sewage water chiller-heater unit, wherein, described sewage cleans rotating filter system and comprises the first sewage pump, sewage cleans revolving filter, dredge pump, sewage catchment device, second sewage pump and sewage catchment device sluicing blowoff valve, described first sewage pump cleans revolving filter with sewage and is connected, sewage cleans revolving filter and is connected with sewage catchment device, sewage catchment device is connected with the second sewage pump, second sewage pump is connected with the water inlet of sewage source heat exchanger, sewage cleans revolving filter and is also connected with dredge pump, sewage catchment device is also connected with sewage catchment device sluicing blowoff valve, described dredge pump, the delivery port external mining sewage source respectively of sewage catchment device sluicing blowoff valve and sewage source heat exchanger, first sewage pump, dredge pump, second sewage pump is all connected with central control module with sewage catchment device sluicing blowoff valve.
A control method for mining cold and heat combined supply source of sewage water chiller-heater unit as described in above-mentioned any one, wherein, specifically comprises the following steps:
Steps A: by man-machine interaction panel input cold water water temperature and cold water water demand, hot water water temperature and hot water water demand;
Step B: central control module controls the energising of four-way change-over valve or power-off, the energising of cold water side heat exchanger magnetic valve or the energising of power-off and sewage source heat exchanger magnetic valve or power-off, runs under making mining cold and heat combined supply source of sewage water chiller-heater unit be in single cooling mode or single heat supply mode or cold and heat combined supply pattern;
Step C: the real time data that central control module feeds back according to operational mode and data collecting system, control sewage and clean the whether action of rotating filter system and refrigeration system, guarantee that the temperature of the cold water that mining cold and heat combined supply source of sewage water chiller-heater unit produces and hot water and flow reach demand.
The control method of described mining cold and heat combined supply source of sewage water chiller-heater unit, wherein, when operational mode is single cooling mode, specifically comprises the following steps:
Steps A 1: by man-machine interaction panel input cold water water temperature and cold water water demand, hot water water temperature and hot water water demand;
Step B1: central control module controls four-way change-over valve and is in off-position, compressor and sewage source heat exchanger are connected, cold water side heat exchanger magnetic valve is in power on condition, sewage source heat exchanger magnetic valve is in power-off off-state, runs under mining cold and heat combined supply source of sewage water chiller-heater unit is in single cooling mode;
Step C1: the real time data that central control module feeds back according to single cooling mode and data collecting system, control sewage and clean rotating filter system and refrigeration system action, guarantee that the temperature of the cold water that mining cold and heat combined supply source of sewage water chiller-heater unit produces and hot water and flow reach demand.
The control method of described mining cold and heat combined supply source of sewage water chiller-heater unit, wherein, when operational mode is single heat supply mode, specifically comprises the following steps:
Steps A 2: by man-machine interaction panel input cold water water temperature and cold water water demand, hot water water temperature and hot water water demand;
Step B2: central control module controls four-way change-over valve and is in "on" position, compressor and hot water side heat exchanger are connected, cold water side heat exchanger magnetic valve is in power-off off-state, sewage source heat exchanger magnetic valve is in power on condition, runs under mining cold and heat combined supply source of sewage water chiller-heater unit is in single heat supply mode;
Step C2: the real time data that central control module feeds back according to single cooling mode and data collecting system, control sewage and clean rotating filter system and refrigeration system action, guarantee that the temperature of the cold water that mining cold and heat combined supply source of sewage water chiller-heater unit produces and hot water and flow reach demand.
The control method of described mining cold and heat combined supply source of sewage water chiller-heater unit, wherein, when operational mode is cold and heat combined supply pattern, specifically comprises the following steps:
Steps A 3: by man-machine interaction panel input cold water water temperature and cold water water demand, hot water water temperature and hot water water demand;
Step B3: central control module controls four-way change-over valve and is in "on" position, compressor and hot water side heat exchanger are connected, cold water side heat exchanger magnetic valve is in power on condition, sewage source heat exchanger magnetic valve is in power-off off-state, runs under mining cold and heat combined supply source of sewage water chiller-heater unit is in cold and heat combined supply pattern;
Step C3: the real time data that central control module feeds back according to single cooling mode and data collecting system, control sewage and clean rotating filter system and refrigeration system action, guarantee that the temperature of the cold water that mining cold and heat combined supply source of sewage water chiller-heater unit produces and hot water and flow reach demand.
Beneficial effect of the present invention: the present invention is by providing a kind of mining cold and heat combined supply source of sewage water chiller-heater unit and control method thereof, the present invention adopts a energy to input, cold water and hot water can be produced simultaneously, reasonable in design, energy-efficient, environmental-friendly and comfortable, degree of intelligence are high, stable and reliable operation; Economize energy, minimizing environmental pollution, meet the energy saving standard policy that country advocates, have important economy and social effect, be worth promoting.
Accompanying drawing explanation
Fig. 1 is the structural representation of mining cold and heat combined supply source of sewage water chiller-heater unit in the present invention.
Structural representation when Fig. 2 is mining cold and heat combined supply source of sewage water chiller-heater unit list cooling in the present invention.
Structural representation when Fig. 3 is mining cold and heat combined supply source of sewage water chiller-heater unit list heat supply in the present invention.
Structural representation when Fig. 4 is mining cold and heat combined supply source of sewage water chiller-heater unit cold and heat combined supply in the present invention.
Fig. 5 is the flow chart of steps of mining cold and heat combined supply source of sewage water chiller-heater unit control method in the present invention.
Detailed description of the invention
For making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.
As shown in Figure 1, described mining cold and heat combined supply source of sewage water chiller-heater unit comprises refrigeration system, sewage source heat exchanger 400, cold water side heat exchanger 500, hot water source heat exchanger 600 and control system, described refrigeration system comprises compressor 310, reservoir 320, device for drying and filtering 330 and vapour liquid separator 340, described compressor 310 one end is connected with vapour liquid separator 340 one end, vapour liquid separator 340 other end is connected with cold water side heat exchanger 500 one end, cold water side heat exchanger 500 other end is connected with device for drying and filtering 330 one end, device for drying and filtering 330 other end is connected with reservoir 320 one end, reservoir 320 other end is connected with sewage source heat exchanger 400 one end, sewage source heat exchanger 400 other end, compressor 310 other end, vapour liquid separator 340 other end is connected by four-way change-over valve with hot water source heat exchanger 600 one end, hot water source heat exchanger 600 other end is connected with reservoir 320 other end, sewage source heat exchanger 400 one end is connected with device for drying and filtering 330 one end, described control system comprises electric control box 710, sensor group, data acquisition module and central control module, described data acquisition module and central control module are all arranged in electric control box 710, described sensor group comprises wastewater influent temperature sensor 721, sewage leaving water temperature sensors 722, inlet water temperature sensor 723, Cold water-out temperature sensor 724, hot water inflow temperature sensor 725 and hot water effluent's temperature sensor 726, described wastewater influent temperature sensor 721 is arranged on the water inlet of sewage source heat exchanger 400, sewage leaving water temperature sensors 722 is arranged on the delivery port of sewage source heat exchanger 400, inlet water temperature sensor 723 is arranged on the water inlet of cold water side heat exchanger 500, Cold water-out temperature sensor 724 is arranged on the delivery port of cold water side heat exchanger 500, hot water inflow temperature sensor 725 is arranged on the water inlet of hot water source heat exchanger 600, hot water effluent's temperature sensor 726 is arranged on the delivery port of hot water source heat exchanger 600, described wastewater influent temperature sensor 721, sewage leaving water temperature sensors 722, inlet water temperature sensor 723, Cold water-out temperature sensor 724, hot water inflow temperature sensor 725 are all connected with data acquisition module respectively with hot water effluent's temperature sensor 726, and described compressor 310, four-way change-over valve are connected with central control module respectively with data acquisition module, the external mining sewage source of sewage source heat exchanger 400.
Flow backwards and hypertonia damage equipment to prevent medium; be provided with the first pressure-head switch and first between described compressor 310 and vapour liquid separator 340 and fill non-return valve; all be provided with the second pressure-head switch and second between compressor 310 and four-way change-over valve and fill non-return valve, described first pressure-head switch is all connected with central control module with the second pressure-head switch.
In order to control the flow of sewage source heat exchanger 400, the water outlet of sewage source heat exchanger 400 is provided with discharge of sewage switch, described discharge of sewage switch is connected with data acquisition module.
In order to control the flow of cold water side heat exchanger 500, the water outlet of cold water side heat exchanger 500 is provided with cold water frost prevention switch and cold water flow switch, described cold water frost prevention switch is connected with data acquisition module with cold water flow switch.
In order to control the flow of hot water source heat exchanger 600, the water outlet of hot water source heat exchanger 600 is provided with hot water flow switch, described hot water flow switch is connected with data acquisition module.
In order to prevent medium from flowing backwards, between described sewage source heat exchanger 400 and reservoir 320, being provided with sewage source heat exchanger exit check valve, between hot water source heat exchanger 600 and reservoir 320, being provided with hot water source heat exchanger exit check valve.
In order to protect sewage source heat exchanger 400 and cold water side heat exchanger 500, be provided with sewage source heat exchanger expansion valve and sewage source heat exchanger magnetic valve between described sewage source heat exchanger 400 and device for drying and filtering 330, described sewage source heat exchanger magnetic valve is connected with central control module; Be provided with cold water side heat exchanger expansion valve and cold water side heat exchanger magnetic valve between cold water side heat exchanger 500 and device for drying and filtering 330, described cold water side heat exchanger magnetic valve is connected with central control module.
Because a large amount of open a mine dirt and suspended particulate are contained in mining sewage source; direct employing can cause unit pipe blocking and device damage; dirt thermal resistance can be formed at heat transmission equipment heat-transfer surface simultaneously; equipment heat exchange property is caused to decline to a great extent; in order to proterctive equipment and guarantee equipment use quality; described mining cold and heat combined supply source of sewage water chiller-heater unit also comprises sewage and cleans rotating filter system; described sewage cleans rotating filter system and is connected with the water inlet of sewage source heat exchanger 400, and sewage cleans rotating filter system and is connected with central control module.
Described sewage cleans rotating filter system and comprises the first sewage pump 210, sewage cleans revolving filter 220, dredge pump 230, sewage catchment device 240, second sewage pump 250 and sewage catchment device sluicing blowoff valve 260, described first sewage pump 210 cleans revolving filter 220 with sewage and is connected, sewage cleans revolving filter 220 and is connected with sewage catchment device 240, sewage catchment device 240 is connected with the second sewage pump 250, second sewage pump 250 is connected with the water inlet of sewage source heat exchanger 400, sewage cleans revolving filter 220 and is also connected with dredge pump 230, sewage catchment device 240 is also connected with sewage catchment device sluicing blowoff valve 260, described dredge pump 230, the delivery port external mining sewage source respectively of sewage catchment device sluicing blowoff valve 260 and sewage source heat exchanger 400, first sewage pump 210, dredge pump 230, second sewage pump 250 is all connected with central control module with sewage catchment device sluicing blowoff valve 260: first order sewage pump 210 pumps sewage in mining sewage source, entering sewage cleans in revolving filter 220, rotating filter, the first half is not entered in sewage catchment device 240 containing the sewage of solid impurity, the sewage containing solid impurity of the latter half is entered in mining sewage source by dredge pump 230, the sewage not containing solid impurity pumped from sewage catchment device 240 through sedimentation and filtration by the second sewage pump 250 again enters in sewage source heat exchanger 400, for mining cold and heat combined supply source of sewage water chiller-heater unit provides low level Cooling and Heat Source, the sewage that lower part contains a small amount of solid impurity is entered in mining sewage source by sewage catchment device sluicing blowoff valve 260.
Realize to make mining cold and heat combined supply source of sewage water chiller-heater unit automatically controlling, described mining cold and heat combined supply source of sewage water chiller-heater unit also comprises man-machine interaction panel, and described man-machine interaction panel is connected with central control module.
As shown in Figure 5, a kind of control method of mining cold and heat combined supply source of sewage water chiller-heater unit as described above, specifically comprises the following steps:
Steps A: by man-machine interaction panel input cold water water temperature and cold water water demand, hot water water temperature and hot water water demand;
Step B: central control module controls the energising of four-way change-over valve or power-off, the energising of cold water side heat exchanger magnetic valve or the energising of power-off and sewage source heat exchanger magnetic valve or power-off, runs under making mining cold and heat combined supply source of sewage water chiller-heater unit be in single cooling mode or single heat supply mode or cold and heat combined supply pattern;
Step C: the real time data that central control module feeds back according to operational mode and data acquisition module, control sewage and clean the whether action of rotating filter system and refrigeration system, guarantee that the temperature of the cold water that mining cold and heat combined supply source of sewage water chiller-heater unit produces and hot water and flow reach demand.
As shown in Figure 2, when operational mode is single cooling mode, the control method of mining cold and heat combined supply source of sewage water chiller-heater unit is as follows:
Steps A 1: by man-machine interaction panel input cold water water temperature and cold water water demand, hot water water temperature and hot water water demand;
Step B1: central control module controls four-way change-over valve and is in off-position, compressor 310 and sewage source heat exchanger 400 are connected, cold water side heat exchanger magnetic valve is in power on condition, sewage source heat exchanger magnetic valve is in power-off off-state, runs under mining cold and heat combined supply source of sewage water chiller-heater unit is in single cooling mode;
Step C1: the real time data that central control module feeds back according to single cooling mode and data collecting system, control sewage and clean rotating filter system and refrigeration system action, guarantee that the temperature of the cold water that mining cold and heat combined supply source of sewage water chiller-heater unit produces and hot water and flow reach demand.
Under single cooling mode, the flow process of refrigeration system cold-producing medium is: the refrigerant vapour of low-temp low-pressure is after compressor 310 compresses, form high pressure high temperature vapor, non-return valve is filled by second, second pressure-head switch, four-way change-over valve enters sewage source heat exchanger 400, refrigerant liquid is formed by wastewater fluids cooling, refrigerant liquid is by sewage source heat exchanger exit check valve, reservoir 320, device for drying and filtering 330, cold water side heat exchanger magnetic valve, after the throttling of cold water side heat exchanger expansion valve, form Low temperature low pressure liquid and enter the heat that cold water side heat exchanger 500 evaporates absorption cold water, acquire bargh's production and the cold water needed for life, form low-temp low-pressure steam by vapour liquid separator 340, first pressure-head switch, first fills non-return valve enters compressor 310 air entry.
As shown in Figure 3, when operational mode is single heat supply mode, the control method of mining cold and heat combined supply source of sewage water chiller-heater unit is as follows:
Steps A 2: by man-machine interaction panel input cold water water temperature and cold water water demand, hot water water temperature and hot water water demand;
Step B2: central control module controls four-way change-over valve and is in "on" position, compressor 310 and hot water side heat exchanger 600 are connected, cold water side heat exchanger magnetic valve is in power-off off-state, sewage source heat exchanger magnetic valve is in power on condition, runs under mining cold and heat combined supply source of sewage water chiller-heater unit is in single heat supply mode;
Step C2: the real time data that central control module feeds back according to single cooling mode and data collecting system, control sewage and clean rotating filter system and refrigeration system action, guarantee that the temperature of the cold water that mining cold and heat combined supply source of sewage water chiller-heater unit produces and hot water and flow reach demand.
Under single heat supply mode, the flow process of refrigeration system cold-producing medium is: the refrigerant vapour of low-temp low-pressure is after compressor 310 compresses, form high pressure high temperature vapor, non-return valve is filled by second, second pressure-head switch, four-way change-over valve enters hot water source heat exchanger 600, heating obtains bargh's production and the hot water needed for life, refrigerant liquid is formed by hydrothermal fluid cooling, refrigerant liquid is by hot water side heat exchanger exit check valve, reservoir 320, device for drying and filtering 330, sewage source heat exchanger magnetic valve, after the throttling of sewage source heat exchanger expansion valve, form Low temperature low pressure liquid and enter the heat that the evaporation of sewage source heat exchanger 400 absorbs wastewater fluids, evaporation forms low-temp low-pressure steam by vapour liquid separator 340, first pressure-head switch, first fills non-return valve enters compressor 310 air entry.
As shown in Figure 4, when operational mode is cold and heat combined supply pattern, the control method of mining cold and heat combined supply source of sewage water chiller-heater unit is as follows:
Steps A 3: by man-machine interaction panel input cold water water temperature and cold water water demand, hot water water temperature and hot water water demand;
Step B3: central control module controls four-way change-over valve and is in "on" position, compressor 310 and hot water side heat exchanger 600 are connected, cold water side heat exchanger magnetic valve is in power on condition, sewage source heat exchanger magnetic valve is in power-off off-state, runs under mining cold and heat combined supply source of sewage water chiller-heater unit is in cold and heat combined supply pattern;
Step C3: the real time data that central control module feeds back according to single cooling mode and data collecting system, control sewage and clean rotating filter system and refrigeration system action, guarantee that the temperature of the cold water that mining cold and heat combined supply source of sewage water chiller-heater unit produces and hot water and flow reach demand.
Under cold and heat combined supply pattern, the flow process of refrigeration system cold-producing medium is: the refrigerant vapour of low-temp low-pressure is after compressor 310 compresses, form high pressure high temperature vapor, non-return valve is filled by second, second pressure-head switch, four-way change-over valve enters hot water source heat exchanger 600, heating obtains bargh's production and the hot water needed for life, refrigerant liquid is formed by hydrothermal fluid cooling, refrigerant liquid is by sewage source heat exchanger exit check valve, reservoir 320, device for drying and filtering 330, cold water side heat exchanger magnetic valve, after the throttling of cold water side heat exchanger expansion valve, form Low temperature low pressure liquid and enter the heat that cold water side heat exchanger 500 evaporates absorption cold water, acquire bargh's production and the cold water needed for life, form low-temp low-pressure steam by vapour liquid separator 340, first pressure-head switch, first fills non-return valve enters compressor 310 air entry.
In described step C, central control module is according to the operational mode of man-machine interaction panel operation input instruction: automatically and manually switch setting, operational mode sets, cold water water flow sets, cold water goes out temperature setting, hot water effluent's flow set, hot water goes out temperature setting etc., by the cold water water flow in data collecting module collected actual motion, cold water goes out temperature, hot water effluent's flow, hot water effluent's temperature, the data such as blowdown demand, automatically calculate and control each executive system, control the start-stop of the first sewage pump 210, the start-stop of dredge pump 230, the start-stop of the second sewage pump 250, the switch of sewage catchment device sluicing blowoff valve 260, the start and stop of compressor 310, the energising of four-way change-over valve and power-off, the energising of cold water side heat exchanger magnetic valve and power-off, the energising of sewage source heat exchanger magnetic valve and power-off, control the intelligence running of whole mining cold and heat combined supply source of sewage water chiller-heater unit, guarantee that the cold water supplied at any time and hot water temperature and flow reach bargh and produces and the actual demand of life.
The present invention has many merits: 1. the present invention can by the large amount of sewage of bargh's generation after the process of drainage clean rotating filter pipeline, serve as unit refrigeration, low level Cooling and Heat Source needed for heat supply, by inverse Carnot cycle and the Intelligent cold-hot jointly-supplying technology of unit, according to bargh's actual demand, simultaneously for its production, life, air-conditioning etc. provide cold water and hot water, meet bargh to produce and a large amount of hot and cold water demands of life, intelligence, energy-saving and environmental protection, comfortable.2. the present invention possesses Intelligent cold-hot jointly-supplying technology, adopt a set of equipment, a energy input, cold water and hot water can be produced simultaneously, it has single cooling mode, single heat supply mode and cold and heat combined supply pattern three kinds of energy conservation models, can produce according to bargh, the actual demand of life and air-conditioning, intelligence selects suitable energy conservation model to realize only supplying cold water automatically, hot-water supply or simultaneously supply hot and cold water function, solve original conventional handpiece Water Chilling Units supporting boiler heat supplying two complete equipment that freezes that uses of bargh to run simultaneously, the problem of the dual energy consumption produced, save for the dual energy resource consumption of cold-peace heat supply.3. the source of sewage water temperature of bargh's generation is relatively stable throughout the year, and winter is higher than ambient air temperature, and summer is lower than ambient air temperature, ensure that the efficient stable of this unit runs; The handpiece Water Chilling Units that this unit and bargh routine uses is freezed compared with supporting boiler heat supplying, eliminates the smoke-discharging pollution of the noise of cooling tower, mould contamination and boiler combustion, has more for benefits such as energy-saving and environmental protection.4. the handpiece Water Chilling Units that intelligence control system of the present invention and bargh routine uses is freezed compared with supporting boiler heat supplying, achieve intelligent automatic control, triangular web is adopted to realize the function of two cover systems, not only eliminate dual Artificial Control and attendant's demand of two cover systems, also eliminate miscellaneous artificial tune ferryman to do, the complete intelligent automatic control of whole cold and heat supply system, convenient operating maintenance, intelligence is comfortable.5, this have employed advanced sewage and cleans rotating filter system, ensure that the sewage entering source of sewage heat exchanger is all the sewage not containing solid impurity through sedimentation and filtration, the scale problems of the blocking effectively preventing source of sewage heat exchanger from may exist, improve the long-term operation performance of heat transmission equipment, ensure that this unit safety and stability Effec-tive Function.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (8)
1. a mining cold and heat combined supply source of sewage water chiller-heater unit, is characterized in that, comprises refrigeration system, sewage source heat exchanger, cold water side heat exchanger, hot water source heat exchanger and control system, described refrigeration system comprises compressor, reservoir, device for drying and filtering and vapour liquid separator, described compressor one end is connected with vapour liquid separator one end, the vapour liquid separator other end is connected with cold water side heat exchanger one end, the cold water side heat exchanger other end is connected with device for drying and filtering one end, the device for drying and filtering other end is connected with reservoir one end, the reservoir other end is connected with sewage source heat exchanger one end, the sewage source heat exchanger other end, the compressor other end, the vapour liquid separator other end is connected by four-way change-over valve with hot water source heat exchanger one end, the hot water source heat exchanger other end is connected with the reservoir other end, sewage source heat exchanger one end is connected with device for drying and filtering one end,
Described control system comprises electric control box, sensor group, data acquisition module and central control module, described data acquisition module and central control module are all arranged in electric control box, described sensor group detects water flow temperature and water flow information in sewage source heat exchanger, cold water side heat exchanger and hot water source heat exchanger in real time, and feedback information is to central control module; Described sensor group is connected with data acquisition module, and described compressor, four-way change-over valve are connected with central control module respectively with data acquisition module; The external mining sewage source of sewage source heat exchanger;
Be provided with sewage source heat exchanger expansion valve and sewage source heat exchanger magnetic valve between described sewage source heat exchanger and device for drying and filtering, described sewage source heat exchanger magnetic valve is connected with central control module; Be provided with cold water side heat exchanger expansion valve and cold water side heat exchanger magnetic valve between cold water side heat exchanger and device for drying and filtering, described cold water side heat exchanger magnetic valve is connected with central control module; Described mining cold and heat combined supply source of sewage water chiller-heater unit also comprises sewage and cleans rotating filter system, and described sewage cleans rotating filter system and is connected with the water inlet of sewage source heat exchanger, and sewage cleans rotating filter system and is connected with central control module;
By man-machine interaction panel input cold water water temperature and cold water water demand, hot water water temperature and hot water water demand; Central control module controls the energising of four-way change-over valve or power-off, the energising of cold water side heat exchanger magnetic valve or the energising of power-off and sewage source heat exchanger magnetic valve or power-off, runs under making mining cold and heat combined supply source of sewage water chiller-heater unit be in single cooling mode or single heat supply mode or cold and heat combined supply pattern; The real time data that central control module feeds back according to operational mode and data collecting system, control sewage and clean the whether action of rotating filter system and refrigeration system, guarantee that the temperature of the cold water that mining cold and heat combined supply source of sewage water chiller-heater unit produces and hot water and flow reach demand.
2. mining cold and heat combined supply source of sewage water chiller-heater unit according to claim 1, it is characterized in that, described sensor group comprises wastewater influent temperature sensor, sewage leaving water temperature sensors, inlet water temperature sensor, Cold water-out temperature sensor, hot water inflow temperature sensor and hot water effluent's temperature sensor, described wastewater influent temperature sensor is arranged on the water inlet of sewage source heat exchanger, sewage leaving water temperature sensors is arranged on the delivery port of sewage source heat exchanger, inlet water temperature sensor setting is at the water inlet of cold water side heat exchanger, Cold water-out temperature sensor setting cold water side heat exchanger delivery port, hot water inflow temperature sensor setting is at the water inlet of hot water source heat exchanger, hot water effluent's temperature sensor is arranged on the delivery port of hot water source heat exchanger, described wastewater influent temperature sensor, sewage leaving water temperature sensors, inlet water temperature sensor, Cold water-out temperature sensor, cold water flow sensor, hot water inflow temperature sensor, hot water effluent's temperature sensor are all connected with data acquisition module respectively with hot water flow sensor, the water outlet of sewage source heat exchanger is provided with discharge of sewage switch, and described discharge of sewage switch is connected with data acquisition module, the water outlet of cold water side heat exchanger is provided with cold water frost prevention switch and cold water flow sensor, and described cold water frost prevention switch is connected with data acquisition module with cold water flow sensor, the water outlet of hot water source heat exchanger is provided with hot water flow switch, and described hot water flow switch is connected with data acquisition module.
3. mining cold and heat combined supply source of sewage water chiller-heater unit according to claim 2, it is characterized in that, be provided with the first pressure-head switch and first between described compressor and vapour liquid separator and fill non-return valve, all be provided with the second pressure-head switch and second between compressor and four-way change-over valve and fill non-return valve, described first pressure-head switch is all connected with central control module with the second pressure-head switch; Be provided with sewage source heat exchanger exit check valve between described sewage source heat exchanger and reservoir, between hot water source heat exchanger and reservoir, be provided with hot water source heat exchanger exit check valve.
4. mining cold and heat combined supply source of sewage water chiller-heater unit according to claim 3, it is characterized in that, described sewage cleans rotating filter system and comprises the first sewage pump, sewage cleans revolving filter, dredge pump, sewage catchment device, second sewage pump and sewage catchment device sluicing blowoff valve, described first sewage pump cleans revolving filter with sewage and is connected, sewage cleans revolving filter and is connected with sewage catchment device, sewage catchment device is connected with the second sewage pump, second sewage pump is connected with the water inlet of sewage source heat exchanger, sewage cleans revolving filter and is also connected with dredge pump, sewage catchment device is also connected with sewage catchment device sluicing blowoff valve, described dredge pump, the delivery port external mining sewage source respectively of sewage catchment device sluicing blowoff valve and sewage source heat exchanger, first sewage pump, dredge pump, second sewage pump is all connected with central control module with sewage catchment device sluicing blowoff valve.
5. a control method for the mining cold and heat combined supply source of sewage water chiller-heater unit as described in claim 1-4 any one, is characterized in that, specifically comprise the following steps:
Steps A: by man-machine interaction panel input cold water water temperature and cold water water demand, hot water water temperature and hot water water demand;
Step B: central control module controls the energising of four-way change-over valve or power-off, the energising of cold water side heat exchanger magnetic valve or the energising of power-off and sewage source heat exchanger magnetic valve or power-off, runs under making mining cold and heat combined supply source of sewage water chiller-heater unit be in single cooling mode or single heat supply mode or cold and heat combined supply pattern;
Step C: the real time data that central control module feeds back according to operational mode and data collecting system, control sewage and clean the whether action of rotating filter system and refrigeration system, guarantee that the temperature of the cold water that mining cold and heat combined supply source of sewage water chiller-heater unit produces and hot water and flow reach demand.
6. the control method of mining cold and heat combined supply source of sewage water chiller-heater unit according to claim 5, is characterized in that, when operational mode is single cooling mode, specifically comprise the following steps:
Steps A 1: by man-machine interaction panel input cold water water temperature and cold water water demand, hot water water temperature and hot water water demand;
Step B1: central control module controls four-way change-over valve and is in off-position, compressor and sewage source heat exchanger are connected, cold water side heat exchanger magnetic valve is in power on condition, sewage source heat exchanger magnetic valve is in power-off off-state, runs under mining cold and heat combined supply source of sewage water chiller-heater unit is in single cooling mode;
Step C1: the real time data that central control module feeds back according to single cooling mode and data collecting system, control sewage and clean rotating filter system and refrigeration system action, guarantee that the temperature of the cold water that mining cold and heat combined supply source of sewage water chiller-heater unit produces and hot water and flow reach demand.
7. the control method of mining cold and heat combined supply source of sewage water chiller-heater unit according to claim 5, is characterized in that, when operational mode is single heat supply mode, specifically comprise the following steps:
Steps A 2: by man-machine interaction panel input cold water water temperature and cold water water demand, hot water water temperature and hot water water demand;
Step B2: central control module controls four-way change-over valve and is in "on" position, compressor and hot water side heat exchanger are connected, cold water side heat exchanger magnetic valve is in power-off off-state, sewage source heat exchanger magnetic valve is in power on condition, runs under mining cold and heat combined supply source of sewage water chiller-heater unit is in single heat supply mode;
Step C2: the real time data that central control module feeds back according to single cooling mode and data collecting system, control sewage and clean rotating filter system and refrigeration system action, guarantee that the temperature of the cold water that mining cold and heat combined supply source of sewage water chiller-heater unit produces and hot water and flow reach demand.
8. the control method of mining cold and heat combined supply source of sewage water chiller-heater unit according to claim 5, is characterized in that, when operational mode is cold and heat combined supply pattern, specifically comprise the following steps:
Steps A 3: by man-machine interaction panel input cold water water temperature and cold water water demand, hot water water temperature and hot water water demand;
Step B3: central control module controls four-way change-over valve and is in "on" position, compressor and hot water side heat exchanger are connected, cold water side heat exchanger magnetic valve is in power on condition, sewage source heat exchanger magnetic valve is in power-off off-state, runs under mining cold and heat combined supply source of sewage water chiller-heater unit is in cold and heat combined supply pattern;
Step C3: the real time data that central control module feeds back according to single cooling mode and data collecting system, control sewage and clean rotating filter system and refrigeration system action, guarantee that the temperature of the cold water that mining cold and heat combined supply source of sewage water chiller-heater unit produces and hot water and flow reach demand.
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| CN104101040B (en) * | 2014-07-30 | 2017-01-25 | 广东申菱环境系统股份有限公司 | Efficient and energy-saving water-electricity air-conditioning system and control method thereof |
| CN104896796B (en) * | 2015-06-18 | 2017-04-26 | 河南中烟工业有限责任公司 | Energy-saving type cooling and heating integrated system |
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Address after: 528313 Shunde City, Foshan province Chencun town machinery and equipment Park, No. ten, No. Road, No. 8 Patentee after: GUANGDONG SHENLING AIR-CONDITIONING EQUIPMENT CO., LTD. Address before: 528313 Shunde City, Foshan province Chencun town machinery and equipment Park, No. ten, No. Road, No. 8 Patentee before: Guangdong Shenling Air Conditioning Equipment Co., Ltd. |