Summary of the invention
The purpose of the present invention is to provide a kind of refrigeration heating systems using low-temperature industrial recirculated cooling water, can be in the summer
Waste heat in building or process equipment is transferred in water source by season, since water source temperature is low, it is possible to efficiently take away heat
Amount;And winter, water resource heat pump water chiller-heater unit then extract energy from water source, promote temperature by refrigerating medium according to heat pump principle
After be sent in building or on process equipment.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of refrigeration heating system using low-temperature industrial recirculated cooling water, including water segregator (1), pump unit (5),
One water treatment unit (6), water resource heat pump water chiller-heater unit (10), the second water treatment unit (19), circulation pump unit (20) sum aggregate
Hydrophone (21),
The water resource heat pump water chiller-heater unit (10) includes water source side heat exchanger (11) and uses side heat exchanger (12);Water source
Tie of the heat pump water chiller-heater unit as energy transmission, low-temperature industrial recirculated cooling water circulation and air conditioner refrigerating heat cycles is whole
It is combined, consumes a small amount of electric energy, realize that heat mutually shifts in process equipment, in building, in recirculated water.
Low-temperature industrial recirculated cooling water water inlet pipe (3) passes sequentially through pump unit (5), the first water treatment unit (6) and water
The water inlet connection of source heat exchanger (11), low-temperature industrial recirculated cooling water outlet pipe (2) and water source side heat exchanger (11) go out
Mouth of a river connection;Low-temperature industrial recirculated cooling water is usually open water system, and water quality is poor, the main function of the first water treatment unit
Low-temperature industrial recirculated cooling water is exactly handled, guarantees that the water quality for entering water source side heat exchanger meets water resource heat pump water chiller-heater unit
It is required that playing a protective role to unit.Water source side heat exchanger is a kind of heat exchanger components, realizes low-temperature industrial recirculated cooling water and system
Heat exchange between cryogen.
The water segregator (1) is connected to end equipment (4) with water collector (21), water segregator (1) and use side heat exchanger
(12) water outlet connection, water collector (21) pass sequentially through the second water treatment unit (19), circulation pump unit (20) and use side
The water inlet of heat exchanger (12) is connected to.Water segregator and water collector rise for distributing and collecting cold and hot matchmaker used in end equipment
It is acted on to certain pressure balance.The main function of second water treatment unit be processing hot and cold water, guarantee enter end equipment and
The requirement for being met end equipment and water resource heat pump water chiller-heater unit using the hot and cold water water quality of side heat exchanger is played protection to it and made
With.The use of side heat exchanger is a kind of heat exchanger components, realizes the heat exchange between hot and cold water and refrigerant.
First water treatment unit and the second water treatment unit should according to water quality, systems, Type of equipment difference and select
One or more sets corresponding devices are selected to constitute.
Often all there is circulating cooling due to production technology characteristic in industries such as petrochemical industry, electric power, steel, metallurgy
Water can be selected water cooled chiller or water resource heat pump be cold and hot when there is low-temperature industrial recirculated cooling water as water source for utilizing
Water dispenser group is plant area's cooling supply or heat supply.Winter low temperature industrial circulating cooling water is higher than ambient air temperature, so that evaporating temperature mentions
Height, Energy Efficiency Ratio improve;Summer Low Temperature industrial circulating cooling water is lower than ambient air temperature, so that condensation temperature reduces, unit effect
Rate improves;And winter water resource heat pump water chiller-heater unit uses the heat supply of low-temperature industrial recirculated cooling water, and recycling is sharp to a certain extent
With the industrial waste heat that will be discharged, efficiency of energy utilization is improved, energy-efficient effect is played.Water resource heat pump is cold and hot simultaneously
Water dispenser group can with a tractor serves several purposes, can not only freeze but can heat supply, eliminate other heating systems under specific environment.Further more, low temperature work
Industry circulating cooling coolant-temperature gage, flow are relatively stable, and thermal capacity is huge, ensure that the high efficiency and economy of system, and the winter is not present
The severe problem of working environment of season defrosting and summer host high-temperature.
Further, the pipeline between water collector (21) and the second water treatment unit (19) is provided with water-supply and pressure-stabling device
(15).Set of water-supply and pressure-stabling device is generallyd use, make-up pump, extra feed tank, air pressure can also be respectively set by design requirement
Tank etc., to realize water-supply and pressure-stabling function.The water-filling before system operation may be implemented in water-supply and pressure-stabling device, mends to running system
The a small amount of dehydration of charging system maintains the pressure of circulation pump unit entrance to stablize, avoids pump inlet pressure is too low from causing to cavitate, protects
There is not vaporization, empties, superpressure in barrier end equipment.
Further, water-supply and pressure-stabling device (15) includes air pressure tank (22), make-up water pump group (16) and extra feed tank
(14), air pressure tank (22) and make-up water pump group (16) pass through water supply pipe (24) and water collector (21) and the second water treatment unit
(19) the pipeline connection between, air pressure tank (22) are connected to extra feed tank (14) with make-up water pump group (16).
Further, ball-cock assembly (13) are equipped in extra feed tank (14), ball-cock assembly (13) is connected to water supply source pipe, moisturizing
Water source tube is equipped with Shuttoff Valve;Water supply pipe (24) is equipped with rapid water filling interface (23).
Further, first water treatment unit (6) includes the first filter device (7) being sequentially communicated, at the first water
Manage device (8) and ball cleaning apparatus (9);Ball cleaning apparatus (9) connection is low-temperature industrial recirculated cooling water water inlet pipe (3) and low
Temperature industrial recirculated cooling water outlet pipe (2) carries out transmitting-receiving glueballs, completes water source side heat exchanger (11) cleaning.
Further, second water treatment unit (19) includes the second filter device (17) and the second water being sequentially communicated
Processing unit (18).
First filter device (7) and the second filter device (17) are specially y-type filter, basket filter, recoil
Wash any one in formula filter, electric toothbrush filter etc.;First water treatment facilities (8) and the second water treatment facilities (18)
Specially water by-pass flow comprehensive processor or intelligent laser hydrotreater etc..
Each pipeline, valve, attachment mainly include for connecting the pipeline of each unit, for adjust and turning off system it is each
Plant manual and electrically operated valve, thermometer and pressure gauge for displays temperature and pressure, point for distributing and collecting cold and hot matchmaker
Hydrophone and water collector, for realizing each end equipment and the hydraulically balanced digital locked balance valve of process equipment loop etc..Divide, collection
It is preferably connected by pipeline between hydrophone and differential pressure control valve is set.
Further, expansion device is equipped with (also referred to as between water source side heat exchanger (11) and use side heat exchanger (12)
For throttling set, expansion valve) and compressor, compressor by four-way reversing valve respectively with water source side heat exchanger (11), use side
Heat exchanger (12) connection.
The flowing relation principle of refrigerant in the unit is as follows:Refrigerant comes out from compressor enters four-way commutation through pipeline
Then valve enters through pipeline using side heat exchanger (12), expanded device enters water source side heat exchanger (11), enters four through pipeline
Logical reversal valve enters compressor through pipeline again.
Or the flowing relation principle of refrigerant in the unit is as follows, refrigerant enters four-way through pipeline out from compressor and changes
Then enter water source side heat exchanger (11) through pipeline to valve, expanded device enters using side heat exchanger (12), enters through pipeline
Four-way reversing valve enters compressor through pipeline again.
Further, the pump unit (5) and circulation pump unit (20) are pumped by several jacket waters and hot and cold water respectively
Circulating pump is formed in parallel, every set branch by cooling water pump or cold and hot water-circulating pump, it is flexible be flexible coupling, check-valves, Shuttoff Valve
It is formed by connecting, pump unit (5) provides the resistance that power overcomes this system for low-temperature industrial recirculated cooling water, recycles pump unit
(20) resistance that power overcomes this system is provided for hot and cold matchmaker's water.
Cooling water pump, the number of units of cold and hot water-circulating pump and flow are preferably corresponding with the number of units of unit and flow.Except cold water follows
The flow and lift, number of units of ring pump are allowed to be met using temperature outside winter design conditions and the requirement of partial load condition,
Hot water or cold water circulating pump should be respectively set.
Further, the end equipment (4) is set as referring to that combination is empty using air-conditioning equipment of the hot and cold water as cold and hot matchmaker
Any one or a few in tune, fan coil, Fresh air handling units or air-treatment unit.
Beneficial effects of the present invention are:
Compared with prior art, the waste heat in building or process equipment can be transferred to water source in summer by the present invention
In, since water source temperature is low, it is possible to efficiently take away heat;And winter, water resource heat pump water chiller-heater unit is then from water source
Energy is extracted, is sent in building or on process equipment after promoting temperature by refrigerating medium according to heat pump principle.Meeting country
Under the premise of related specification requirement, the energy of usual water resource heat pump water chiller-heater unit consumption 1kW, the available 4kW of end equipment
Above heat or cooling capacity.
Embodiment 3:
On the basis of Examples 1 and 2, be different from Examples 1 and 2, as shown in Figure 1, the first water treatment unit 6 include according to
The first filter device 7, the first water treatment facilities 8 and the ball cleaning apparatus 9 of secondary connection;Ball cleaning apparatus 9 is connected to low temperature work
Industry recirculated cooling water water inlet pipe 3 and low-temperature industrial recirculated cooling water outlet pipe 2 carry out transmitting-receiving glueballs, complete water source side heat exchanger 11
Cleaning.Second water treatment unit 19 includes the second filter device 17 and the second water treatment facilities 18 being sequentially communicated.
The working principle of the first of the embodiment of the present invention 3:System includes two cyclic processes altogether, and one is low temperature work
The circulation of industry recirculated cooling water, the other is circulation of the system for the heat medium water of heat supply.The two cyclic processes are all being concentrated
Monitoring, adjusting, the switching of control system are lower to be completed.
The circulation of low-temperature industrial recirculated cooling water:The low-temperature industrial of the connection of low-temperature industrial recirculated cooling water water inlet pipe 3 plant area
Cooling water return pipe, system take from low-temperature industrial cooling water return pipe (the low-temperature industrial recirculated cooling water condition of high temperature)
Low-temperature industrial recirculated cooling water is obtained, low-temperature industrial recirculated cooling water is in system pipeline followed by pump unit 5, pump unit
5 provide power for low-temperature industrial recirculated cooling water to overcome the resistance of this system;First water treatment unit 6, the first water process list
Member 6 guarantees that the water quality for entering unit meets unit requirement;Water resource heat pump water chiller-heater unit 10 (unit evaporator), water resource heat pump is cold
Hot water units 10 extract the industrial waste heat in recycling low-temperature industrial recirculated cooling water, and waste heat is supplied to heat supply according to heat pump principle
Heating agent;Low-temperature industrial recirculated cooling water returns to low-temperature industrial recirculated cooling water circulating water pool (low-temperature industrial recirculated cooling water later
Low-temperature condition) complete its own circulation.
The circulation of heat supply heat medium water:Heating agent coolant-temperature gage after heat supply reduces, from each end equipment 4 and process equipment flow out into
Enter water collector 21, later followed by the second water treatment unit 19, guarantees that the water quality for entering unit meets unit requirement;Circulating pump
Unit 20 recycles pump unit 20 as heat medium water and provides power to overcome the resistance of this system;10 (machine of water resource heat pump water chiller-heater unit
Group condenser), the industrial waste heat of the release recycling of water resource heat pump water chiller-heater unit 10 increases heating agent coolant-temperature gage;Heat medium water later
Into water segregator 1, it is assigned at each end equipment 4 and process equipment for heat supply.It is also equipped with water-supply and pressure-stabling device 15 simultaneously,
Guarantee that the pressure of heating agent water circulation system meets the dehydration of service requirement and replenishment system.
Second of the working principle of the embodiment of the present invention 3:System includes two cyclic processes altogether, and one is low temperature work
The circulation of industry recirculated cooling water, the other is circulation of the system for the chilled water of refrigeration.The two cyclic processes are all being concentrated
Monitoring, adjusting, the switching of control system are lower to be completed.
The circulation of low-temperature industrial recirculated cooling water:System is from plant area's low-temperature industrial recirculated cooling water water supplying pipe (low-temperature industrial
Recirculated cooling water low-temperature condition) obtain low-temperature industrial recirculated cooling water, low-temperature industrial recirculated cooling water in system pipeline successively
Pump unit 5 is flowed through, pump unit 5 provides power for low-temperature industrial recirculated cooling water to overcome the resistance of this system;First water
Processing unit 6, the first water treatment unit 6 guarantee that the water quality for entering unit meets unit requirement;Water resource heat pump water chiller-heater unit 10
Waste heat in building or process equipment that chilled water absorbs is transferred to by (train condenser), water resource heat pump water chiller-heater unit 10
In low-temperature industrial recirculated cooling water;Low-temperature industrial recirculated cooling water after temperature increases returns to low-temperature industrial recirculated cooling water time
Water pipe (the low-temperature industrial recirculated cooling water condition of high temperature) completes its own circulation.
The circulation of refrigeration refrigerant water:Chilled water temperature after refrigeration increases, and flows out from each end equipment 4 and process equipment
Into water collector 21, later followed by the second water treatment unit 19, guarantee that the water quality for entering unit meets unit requirement;Circulation
Pump unit 20 recycles pump unit 20 as chilled water and provides power to overcome the resistance of this system;Water resource heat pump water chiller-heater unit 10
(unit evaporator), water resource heat pump water chiller-heater unit 10 absorb the waste heat in building or process equipment that chilled water carries, make
Chilled water temperature reduces;Chilled water enters water segregator later, is assigned at each end equipment 4 and process equipment for freezing.
It is also equipped with water-supply and pressure-stabling device 15 simultaneously, guarantees that the pressure of refrigerant water system meets the mistake of service requirement and replenishment system
Water.
The above is not limitation of the present invention, it should be pointed out that:Those skilled in the art are come
It says, under the premise of not departing from essential scope of the present invention, several variations, modifications, additions or substitutions can also be made, these improvement
It also should be regarded as protection scope of the present invention with retouching.