CN204084930U - A kind of self-folding type energy tower heat pump system - Google Patents
A kind of self-folding type energy tower heat pump system Download PDFInfo
- Publication number
- CN204084930U CN204084930U CN201420523603.5U CN201420523603U CN204084930U CN 204084930 U CN204084930 U CN 204084930U CN 201420523603 U CN201420523603 U CN 201420523603U CN 204084930 U CN204084930 U CN 204084930U
- Authority
- CN
- China
- Prior art keywords
- energy tower
- import
- evaporimeter
- stop valve
- loop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
The utility model relates to a kind of self-folding type energy tower heat pump system.This self-folding type energy tower heat pump system comprises refrigerant loop, solution loop, air loop and hot and cold water loop.The utility model is under the prerequisite of guarantee 55 DEG C of hot water temperatures, utilize the low evaporating temperature of Auto-cascade cycle system to complete the task of absorbing low-grade energy and ice making ethylene glycol in concentrated form spray liquid from low temperature and high relative humidity environment, and then extract the low level heat energy in air more efficiently by energy tower.Compare and general enclosed energy tower, this system makes unit evaporating temperature reduce further, thus ensures that energy tower heat pump normally runs under lower environment temperature; Energy tower inside adds ice maker in addition, concentrates spray liquid in winter, avoids the power consumption of the concentrated link of traditional electrical heating, also can stablize Auto-cascade cycle system evaporating temperature to a certain extent.
Description
Technical field
the utility model belongs to refrigerated air-conditioning system Design and manufacture field, relates to a kind of self-folding type energy tower heat pump system.
Background technology
Energy tower heat pump absorbs low-grade heat source from the air of low temperature and high relative humidity, for freezing, for the warm heat pump assembly providing domestic hot-water.In the winter time, energy tower heat pump utilizes freezing point lower than the mounting medium of 0 DEG C, under the low temperature environment that high efficiency extraction more than-9 DEG C relative humidity are higher, in air, low temperature is that thermal source carries out heat supply, solves conventional air source heat pump temperature problem, eliminates the electric secondary heating process of conventional air source heat pump; Cooling in summer process, using energy tower as cooler, utilize evaporation of water to absorb heat, Energy Efficiency Ratio is up to more than 5.0.Application number be 200820053216.4 Chinese patent description disclose heat source tower heat pump, be combined for closed type heat source tower with one pole compressing hot pump unit.During energy tower temperature operating mode, for the spray liquid after dilution, adopt after treating low thermoperiod, from spray, concentrated or reverse osmosis concentrated compression apparatus concentrates.Like this under low thermoperiod and frozen condition, after there is spray liquid moisture absorption, concentration declines, and possibly that freezing point rises cannot ensure whole low temperature periodic system operational efficiency and stability.In addition, energy tower combines with general source pump, and when environment temperature is lower, the temperature difference of environment temperature and refrigerant evaporating temperature diminishes, and unit interval heat output reduces, and running efficiency of system declines.
Therefore, how to ensure that energy tower effectively runs and the problem such as regeneration of waste liquor after how realizing moisture absorption under more low ambient temperature, design a kind of under low temperature and high relative humidity condition the normal air source heat pump system run be the technical barrier that needs are captured.
Utility model content
The purpose of this utility model be to provide a kind of novel can under low temperature and high relative humidity environment the air source heat pump system of Effec-tive Function, Auto-cascade cycle system is combined with energy tower heat pump, expand the minimum ambient temperature range that energy tower heat pump system can normally be run, improve solution thickening efficiency.
The utility model is the technical scheme solving the problems of the technologies described above employing: a kind of self-folding type energy tower heat pump system, and this system is made up of refrigerant loop, solution loop, hot and cold water loop and air loop;
Described refrigerant loop is made up of gas-liquid separator, first throttle valve, evaporative condenser, second throttle, energy tower, the first evaporimeter, the second evaporimeter, compressor, condenser and connecting pipe; Wherein, the output of gas-liquid separator divides two-way, first throttle valve of leading up to is connected with the first input end of evaporative condenser, another road is connected with the second input of evaporative condenser, first output of evaporative condenser is connected with the import of compressor, second output of evaporative condenser is divided into three tunnels after second throttle: the first via is connected with energy tower first import by the first magnetic valve, and energy tower first is exported and is connected with the first input end of the first evaporimeter by the first stop valve, the second stop valve; Second tunnel is connected with the first input end of the first evaporimeter by the second magnetic valve, the second stop valve; 3rd tunnel is connected with the first input end of the second evaporimeter by the second magnetic valve, the 3rd stop valve; First output of the first evaporimeter and the first output of the second evaporimeter are all connected with the import of compressor respectively by after the 4th stop valve and the 5th stop valve, the outlet of compressor is connected with the first input end of condenser, and the first output of condenser is connected with the import of gas-liquid separator;
Described solution loop is made up of solution loop in coil pipe and spray liquid loop, wherein, in coil pipe, solution loop comprises energy tower, the first evaporimeter, the first solution pump, expansion tank and connecting pipe, and spray liquid loop comprises energy tower, the second solution pump, explosive box, dosing tank, the 3rd solution pump, enrichment facility and connecting pipe;
In described coil pipe in solution loop, the second output of the first evaporimeter is all connected with the second import of energy tower with the import of expansion tank, and the second taphole of energy tower is all connected with the second input of the first evaporimeter with the outlet of expansion tank; In described spray liquid loop, the 3rd outlet of energy tower is connected with the import of the second solution pump by the 3rd magnetic valve, and the second solution delivery side of pump is connected with the triple feed inlet of energy tower; 4th outlet of energy tower is connected with the import of liquid reserve tank by the 6th stop valve, the outlet of liquid reserve tank is connected with the import of the 8th stop valve with the 3rd solution pump respectively by the 7th stop valve with dosing tank, and the 3rd solution delivery side of pump is connected with the 4th import of energy tower; 5th outlet of energy tower is connected with the import of enrichment facility by the 9th stop valve, and the outlet of enrichment facility is connected with the 5th import of energy tower;
Described hot and cold water loop comprises the second evaporimeter, expansion tank, condenser, first water pump, second water pump, first user end heat exchanger, second user side heat exchanger and energy tower, wherein, second output of condenser is connected with the import of the first water pump, first water delivery side of pump is divided into four tunnels, the first via is connected with the import of first user end heat exchanger by the tenth stop valve, second tunnel is connected with the 6th import of energy tower by the 11 stop valve, 3rd tunnel is connected with the import of the second user side heat exchanger and the import of expansion tank respectively with the 4th tunnel, the outlet of first user end heat exchanger is connected with the second input of condenser with the 13 stop valve respectively by the 12 stop valve with the 6th outlet of energy tower, the outlet of the second user side heat exchanger is also connected with the second input of condenser with the outlet of expansion tank, second output of the second evaporimeter is connected with the import of first user end heat exchanger by the 14 stop valve, and the outlet of first user end heat exchanger is connected with the second input of the second evaporimeter by the 15 stop valve,
In described air loop, air enters energy tower by the 7th import of energy tower, successively after spray equipment, heat exchange coil, packing layer, anti-elegant layer and blower fan in energy tower, discharges energy tower by the 7th outlet of energy tower.
The utility model completes the conversion of Auto-cascade cycle unit winter summer grade evaporimeter by the stacked switch of the second stop valve, the 3rd stop valve, the 4th stop valve and the 5th stop valve.
In the utility model, in described energy tower, be provided with ice maker, when spray liquid loop be in temperature lower than the environment of-9 DEG C under work time, ice maker open to concentrate spray liquid.
In the utility model, in described energy tower, be provided with ice maker, when spray liquid loop be in temperature lower than the environment of-9 DEG C under close time, enrichment facility to the spray liquid after moisture absorption concentrate, to ensure spray liquid concentration.
In the utility model, in described energy tower, be provided with ice maker, when spray liquid loop be in temperature lower than the environment of-20 DEG C under time, by opening ice maker with stable evaporating temperature, ensure the operational efficiency of system.
The object that the utility model arranges ice maker in energy tower has two, first be frozen by solution to improve the concentration of solution, realize the adjustment of solution concentration, be exactly in addition ice maker enable be conducive to winter environment temperature too low time, heat pump endure (if air source heat pump, may can not work).
In the utility model, Auto-cascade cycle is combined with energy tower, heat pump system efficiency under raising winter low temperature high humidity environment.
When self-folding type energy tower heat pump system cooling in summer runs, cold-producing medium flows out from compressor, enter condenser and be cooled to gas-liquid two-phase mix refrigerant, complete the separation of high low boiling point refrigerant again through gas-liquid separator, the gaseous refrigerant after separation and the liquid refrigerant through first throttle valve enter evaporative condenser from the second input of evaporative condenser and first input end respectively.Through evaporative condenser, the second output from evaporative condenser after gaseous refrigerant is condensed flows out, then after second throttle, enters the second evaporimeter by the first input end of the second evaporimeter, in the second evaporimeter, flash to overheated gas, then have the first output of the second evaporimeter to flow out; Through evaporative condenser, liquid refrigerant flashes to overheated gas, is flowed out, after the overheated gas flowed out mixes, return compressor, complete refrigerant circulation with the first output of the second evaporimeter by the first output of evaporative condenser.Cold water, after the second evaporator cools cooling, flows out from the second evaporimeter second output, flows into first user end, after the heat absorption of first user end heats up, flows back to the second input of the second evaporimeter, completes chilled water circulation.Cooling water is after condenser heat absorption heats up, and divide two-way after being flowed out by the second output of condenser, a road after heat exchanger changes interior heat drop temperature, returns the second input of condenser through the second user side, completes supplying hot water circulation; One tunnel enters energy tower through energy tower the 6th input, through spray and air heat-exchange in energy tower, after cooling, flows out, return condenser second input, complete cooling water circulation through energy tower the 6th output.
Self-folding type energy tower heat pump system winter heating situation can be divided into three kinds of operating modes: dry cooling condition, wet cooling condition and frozen condition.Winter Dry operating mode refers to that energy tower inner fin heat exchange coil surface temperature is higher than air dew point temperature, does not have the situation that moisture is separated out in air.Under this operating mode, cold-producing medium flows out from compressor, enter condenser and be cooled to gas-liquid two-phase mix refrigerant, complete the separation of high low boiling point refrigerant again through gas-liquid separator, the gaseous refrigerant after separation and the liquid refrigerant through first throttle valve enter evaporative condenser from the second input of evaporative condenser and first input end respectively.Through evaporative condenser, the second output from evaporative condenser after gaseous refrigerant is condensed flows out, then after second throttle, enters the first evaporimeter by the first input end of the first evaporimeter, in the first evaporimeter, flash to overheated gas, then have the first output of the first evaporimeter to flow out; Through evaporative condenser, liquid refrigerant flashes to overheated gas, is flowed out, after the overheated gas flowed out mixes, return compressor, complete refrigerant circulation with the first output of the first evaporimeter by the first output of evaporative condenser.Solution flows out from the second output of the first evaporimeter after the first evaporimeter cooling, then energy tower finned coil is entered by energy tower second input, in energy tower finned coil, by finned coil and air heat-exchange, after heat absorption heats up, flowed out by energy tower second output, return the second input of the first evaporimeter, complete solution circulation.Cooling water is after condenser heat absorption heats up, and flowed out by the second output of condenser, point two-way, a road after heat exchanger changes interior heat drop temperature, returns the second input of condenser through the second user side, completes supplying hot water circulation; One tunnel is through first user end, and in heat exchanger, heat release cooling, returns the second input of condenser afterwards, completes heating circulation.
Wet cooling condition refers to that energy tower inner fin heat exchange coil surface temperature is lower than air dew point temperature, but is greater than 0 DEG C, the situation of coil surface condensation.Under condensation operating mode, cold-producing medium, solution, supplying hot water, heating circulation are identical with during dry cooling condition.Energy tower sewage draining valve is opened simultaneously, and condensate water is discharged energy tower.
Frozen condition refers to that energy tower inner fin heat exchange coil surface temperature is lower than air dew point temperature, and lower than 0 DEG C, coil surface there will be the situation of frosting.Under frozen condition, cold-producing medium flows out from compressor, enter condenser and be cooled to gas-liquid two-phase mix refrigerant, complete the separation of high low boiling point refrigerant again through gas-liquid separator, the gaseous refrigerant after separation and the liquid refrigerant through first throttle valve enter evaporative condenser from the second input of evaporative condenser and first input end respectively.Through evaporative condenser, the second output from evaporative condenser after gaseous refrigerant is condensed flows out, again after second throttle, under the prerequisite that magnetic valve is opened, first by energy tower first input end, flow in the ice making coil pipe bottom energy tower, after evaporation endothermic, flowed out by energy tower first output, enter the first evaporimeter by the first input end of the first evaporimeter, in the first evaporimeter, flash to overheated gas, then have the first output of the first evaporimeter to flow out; Through evaporative condenser, liquid refrigerant flashes to overheated gas, is flowed out, after the overheated gas flowed out mixes, return compressor, complete refrigerant circulation with the first output of the first evaporimeter by the first output of evaporative condenser.Solution, supplying hot water, heating circulation are identical with during dry cooling condition; During frozen condition, spray liquid device is opened, spray liquid is flowed out by energy tower the 3rd output bottom energy tower, after the second solution pump pressurization, enter energy tower spray equipment by energy tower the 3rd input, spray on finned coil surface, reduce its freezing point, avoid frosting, afterwards, return bottom energy tower, complete spray liquid circulation.
Frozen condition, spray liquid is diluted to the first magnetic valve to a certain degree and opens, and ice maker is just opened, and after frozen condition terminates, can be concentrated to original concentration by the spray liquid diluted by enrichment facility.
Only there is temperature difference heat exchange in solution during dry cooling condition in energy tower finned coil and air, ice making, spray, enrichment facility are not opened.
Solution during wet cooling condition in energy tower finned coil and air carry out caloic exchange, and air separates out moisture, in order to avoid the moisture of separating out is by the spray liquid dilution bottom energy tower, directly at the water-saving plate place of energy tower air inlet bottom, condensate water are discharged energy tower.
During frozen condition, spray solution is opened, and utilizes the freezing point temperature that spray liquid is low, efficiently avoid the appearance of frosting situation, but the moisture that the process that constantly sprays makes air separate out enters spray liquid, along with the accumulation of time, solution concentration reduces, and apparent freezing point raises, and finally can affect antifrost effect.The utility model, first utilizes the evaporating temperature that Auto-cascade cycle is low, and the low-temperature refrigerant without cryogenic vaporizer is first introduced energy tower, by heat exchange, spray liquid is frozen, thus increase its concentration, then after frozen condition terminates i.e. spray liquid stopping circulation, spray liquid is concentrated.When more low ambient temperature, the unlatching of ice maker, to a certain extent can steady-state evaporation temperature, and system still can effectively be run.
Beneficial effect: a kind of self-folding type energy tower heat pump system that the utility model proposes is when ensureing elementary heat coolant-temperature gage, the evaporating temperature utilizing Auto-cascade cycle low completes the task of absorbing low-grade energy and ice making ethylene glycol in concentrated form spray liquid from low temperature and high relative humidity environment, and then extracts the low level heat energy in air more efficiently by energy tower.Compare and general enclosed energy tower, this system makes unit evaporating temperature reduce further, thus ensures that energy tower heat pump normally runs under lower environment temperature; Energy tower inside adds ice maker in addition, concentrates spray liquid in winter, avoids the power consumption of the concentrated link of traditional electrical heating, also can stablize Auto-cascade cycle system evaporating temperature to a certain extent.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Reference numeral: 1, gas-liquid separator, 2, first throttle valve, 3, evaporative condenser, 3a, evaporative condenser first input end, 3b, evaporative condenser first output, 3c, evaporative condenser second input, 3d, evaporative condenser second output, 4, second throttle, 5, energy tower, 5a, energy tower first import, 5b, energy tower first exports, 5c, energy tower second import, 5d, energy tower second taphole, 5e, energy tower the 3rd exports, 5f, energy tower triple feed inlet, 5h, energy tower the 4th exports, 5i, energy tower the 4th import, 5j, energy tower the 5th exports, 5k, energy tower the 5th import, 5l, energy tower the 6th import, 5m, energy tower the 6th exports, and 6, first evaporimeter, 6a, first evaporimeter first input end, 6b, first evaporimeter first output, 6c, first evaporimeter second input, 6d, first evaporimeter second output, 7, second evaporimeter, 7a, second evaporimeter first input end, 7b, second evaporimeter first output, 7c, second evaporimeter second input, 7d, second evaporimeter second output, 8, compressor, 9, condenser, 9a, condenser first input end, 9b condenser first output, 9c, condenser second input, 9d, condenser second output, 10, first magnetic valve, 11, first stop valve, 12, second stop valve, 13, second magnetic valve, 14, 3rd stop valve, 15, 4th stop valve, 16, 5th stop valve, 17, expansion tank, 18, first solution pump, 19, second solution pump, 20, explosive box, 21, dosing tank, 22, 3rd solution pump, 23, enrichment facility, 24, 3rd magnetic valve, 25, 6th stop valve, 26, 7th stop valve, 27, 8th stop valve, 28, 9th stop valve, 29, expansion tank, 30, first water pump, 31, second water pump, 32, first user end heat exchanger, 33, second user side heat exchanger, 34, tenth stop valve, 35, 12 stop valve, 36, 11 stop valve, 37, 13 stop valve, 38, 14 stop valve, 39, 15 stop valve, 40, ice maker.
Detailed description of the invention
As shown in the figure, a kind of self-folding type energy tower heat pump system, this system is made up of refrigerant loop, solution loop, hot and cold water loop and air loop;
Described refrigerant loop is made up of gas-liquid separator 1, first throttle valve 2, evaporative condenser 3, second throttle 4, energy tower 5, first evaporimeter 6, second evaporimeter 7, compressor 8, condenser 9 and connecting pipe; Wherein, the output of gas-liquid separator 1 divides two-way, first throttle valve 2 of leading up to is connected with the first input end 3a of evaporative condenser 3, another road is connected with the second input 3c of evaporative condenser 3, first output 3b of evaporative condenser 3 is connected with the import of compressor 8, second output 3d of evaporative condenser 3 is divided into three tunnels after second throttle 4: the first via is connected with energy tower 5 first import 5a by the first magnetic valve 10, and energy tower 5 first is exported 5b and is connected with the first input end 6a of the first evaporimeter 6 by the first stop valve 11, second stop valve 12; Second tunnel is connected with the first input end 6a of the first evaporimeter 6 by the second magnetic valve 13, second stop valve 12; 3rd tunnel is connected with the first input end 7a of the second evaporimeter 7 by the second magnetic valve 13, the 3rd stop valve 14; First output 6b of the first evaporimeter 6 is all connected with the import of compressor 8 respectively by the 4th stop valve 15 and the 5th stop valve 16 are rear with the first output 7b of the second evaporimeter 7, the outlet of compressor 8 is connected with the first input end 9a of condenser 9, and the first output 9b of condenser 9 is connected with the import of gas-liquid separator 1;
Described solution loop is made up of solution loop in coil pipe and spray liquid loop, wherein, in coil pipe, solution loop comprises energy tower 5, first evaporimeter 6, first solution pump 18, expansion tank 17 and connecting pipe, and spray liquid loop comprises energy tower 5, second solution pump 19, explosive box 20, dosing tank 21, the 3rd solution pump 22, enrichment facility 23 and connecting pipe;
In described coil pipe in solution loop, second output 6d of the first evaporimeter 6 is all connected with the second import 5c of energy tower 5 with the import of expansion tank 17, and the second taphole 5d of energy tower 5 is all connected with the second input 6c of the first evaporimeter 6 with the outlet of expansion tank 17; In described spray liquid loop, the 3rd outlet 5e of energy tower 5 is connected with the import of the second solution pump 19 by the 3rd magnetic valve 24, and the outlet of the second solution pump 19 is connected with the triple feed inlet 5f of energy tower 5; 4th outlet 5h of energy tower 5 is connected with the import of liquid reserve tank 20 by the 6th stop valve 25, the outlet of liquid reserve tank 20 is connected with the import of the 8th stop valve 27 with the 3rd solution pump 22 respectively by the 7th stop valve 26 with dosing tank 21, and the outlet of the 3rd solution pump 22 is connected with the 4th import 5i of energy tower 5; 5th outlet 5j of energy tower 5 is connected with the import of enrichment facility 23 by the 9th stop valve 28, and the outlet of enrichment facility 23 is connected with the 5th import 5k of energy tower 5;
Described hot and cold water loop comprises the second evaporimeter 7, expansion tank 29, condenser 9, first water pump 30, second water pump 31, first user end heat exchanger 32, second user side heat exchanger 33 and energy tower 5, wherein, second output 9d of condenser 9 is connected with the import of the first water pump 30, the outlet of the first water pump 30 is divided into four tunnels, the first via is connected with the import of first user end heat exchanger 32 by the tenth stop valve 34, second tunnel is connected with the 6th import 5l of energy tower 5 by the 11 stop valve 36, 3rd tunnel is connected with the import of the second user side heat exchanger 33 and the import of expansion tank 29 respectively with the 4th tunnel, the outlet of first user end heat exchanger 32 is connected with the second input 9c of condenser 9 with the 13 stop valve 37 respectively by the 12 stop valve 35 with the 6th outlet 5m of energy tower 5, the outlet of the second user side heat exchanger 33 and the outlet of expansion tank 29 are also connected with the second input 9c of condenser 9, second output 7d of the second evaporimeter 7 is connected with the import of first user end heat exchanger 32 by the 14 stop valve 38, and the outlet of first user end heat exchanger 32 is connected with the second input 7c of the second evaporimeter 7 by the 15 stop valve 39,
In described air loop, air enters energy tower 5 by the 7th import 5n of energy tower 5, successively after spray equipment, heat exchange coil, packing layer, anti-elegant layer and blower fan in energy tower 5, discharges energy tower 5 by the 7th outlet 5o of energy tower 5;
Ice maker 40 is provided with in energy tower 5, when spray liquid loop be in temperature lower than the environment of-9 DEG C under work time, ice maker 40 opens to concentrate spray liquid, and when closing, spray liquid after enrichment facility 23 pairs of moisture absorptions concentrates, to ensure spray liquid concentration; When spray liquid loop be in temperature lower than the environment of-20 DEG C under time, by opening ice maker 40 with stable evaporating temperature, ensure the operational efficiency of system.
The course of work of the present utility model is as follows:
When self-folding type energy tower heat pump system cooling in summer runs, cold-producing medium flows out from compressor 8, enter condenser 9 and be cooled to gas-liquid two-phase mix refrigerant, the separation of high low boiling point refrigerant is completed again through gas-liquid separator 1, gaseous refrigerant after separation and enter evaporative condenser 3 from the second input 3c of evaporative condenser 3 and first input end 3a respectively through the liquid refrigerant of first throttle valve 2, through evaporative condenser 3, from evaporative condenser after gaseous refrigerant is condensed, the second output 3d of 3 flows out, again after second throttle 4, the second evaporimeter 7 is entered by the first input end 7a of the second evaporimeter 7, overheated gas is flashed in the second evaporimeter 7, flowed out by the first output 7b of the second evaporimeter 7 again, through evaporative condenser 3, liquid refrigerant flashes to overheated gas, is flowed out by the first output 3b of evaporative condenser 3, after the overheated gas flowed out mixes, returns compressor 8, completes refrigerant circulation with the first output 7b of the second evaporimeter 7.Cold water is after the second evaporimeter 7 cools, flow out from the second evaporimeter 7 second output 7d, flow into first user end 32, after first user end 32 absorbs heat intensification, flow back to the second input 7c of the second evaporimeter 7, complete chilled water circulation, cooling water after condensation 9 is absorbed heat and is heated up, point two-way after being flowed out by the second output 9d of condenser 9, a road through the second user side 33 after heat exchanger changes interior heat drop temperature, return the second input 9c of condenser 9, complete supplying hot water circulation; Another road enters energy tower 5 through energy tower 5 the 6th input 5l, through spray and air heat-exchange in energy tower 5, after cooling, flows out, return the second input 9c of condenser 9, complete cooling water circulation through energy tower 5 the 6th output.
Self-folding type energy tower heat pump system winter heating situation can be divided into three kinds of operating modes: dry cooling condition, wet cooling condition and frozen condition.Winter Dry operating mode refers to that energy tower inner fin heat exchange coil surface temperature is higher than air dew point temperature, does not have the situation that moisture is separated out in air.Under this operating mode, cold-producing medium flows out from compressor 8, enter condenser 9 and be cooled to gas-liquid two-phase mix refrigerant, complete the separation of high low boiling point refrigerant again through gas-liquid separator 1, the gaseous refrigerant after separation and the liquid refrigerant through first throttle valve 2 enter evaporative condenser 3 from the second input 3c of evaporative condenser 3 and first input end 3a respectively.Through evaporative condenser 3, the second output 3d from evaporative condenser 3 after gaseous refrigerant is condensed flows out, again after second throttle 4, the first evaporimeter 6 is entered by the first input end 6a of the first evaporimeter 6, in the first evaporimeter 6, flash to overheated gas, then flowed out by the first output 6b of the first evaporimeter 6; Through evaporative condenser 3, liquid refrigerant flashes to overheated gas, is flowed out by the first output 3b of evaporative condenser 3, after the overheated gas flowed out mixes, returns compressor 8, completes refrigerant circulation with the first output 6b of the first evaporimeter 6.Solution flows out from the second output 6d of the first evaporimeter 6 after the first evaporimeter 6 is lowered the temperature, then energy tower finned coil is entered by energy tower 5 second input 5c, in energy tower 5 finned coil, by finned coil and air heat-exchange, after heat absorption heats up, flowed out by energy tower 5 second output 5d, return the second input 6c of the first evaporimeter 6, complete solution circulation.Cooling water absorbs heat after intensification through condenser 9, flowed out by the second output 9d of condenser 9, divide two-way, one tunnel after heat exchanger changes interior heat drop temperature, returns the second input 9c of condenser 9 through the second user side 33, completes supplying hot water circulation, another road is through first user end 32, in heat exchanger, heat release cooling, returns the second input 9c of condenser 9 afterwards, completes heating circulation;
Wet cooling condition refers to that energy tower inner fin heat exchange coil surface temperature is lower than air dew point temperature, but is greater than 0 DEG C, the situation of coil surface condensation.Under condensation operating mode, cold-producing medium, solution, supplying hot water, heating circulation are identical with during dry cooling condition, while energy tower sewage draining valve open, condensate water is discharged energy tower;
Frozen condition refers to that energy tower inner fin heat exchange coil surface temperature is lower than air dew point temperature, and lower than 0 DEG C, coil surface there will be the situation of frosting.Under frozen condition, cold-producing medium flows out from compressor 8, enter condenser 9 and be cooled to gas-liquid two-phase mix refrigerant, complete the separation of high low boiling point refrigerant again through gas-liquid separator 1, the gaseous refrigerant after separation and the liquid refrigerant through first throttle valve 2 enter evaporative condenser 3 from the second input 3c of evaporative condenser 3 and first input end 3a respectively.Through evaporative condenser 3, the second output 3d from evaporative condenser 3 after gaseous refrigerant is condensed flows out, again after second throttle 4, under the prerequisite that the first magnetic valve 10 is opened, first by energy tower 5 first input end 5a, flow in the ice making coil pipe bottom energy tower, after evaporation endothermic, flowed out by energy tower first output 5b, the first evaporimeter 6 is entered by the first input end 6a of the first evaporimeter 6, in the first evaporimeter 6, flash to overheated gas, then have the first output 6b of the first evaporimeter 6 to flow out; Through evaporative condenser 3, liquid refrigerant flashes to overheated gas, is flowed out by the first output 3b of evaporative condenser 3, after the overheated gas flowed out mixes, returns compressor 8, completes refrigerant circulation with the first output 6b of the first evaporimeter 6.Solution, supplying hot water, heating circulation are identical with during dry cooling condition; During frozen condition, spray liquid device is opened, spray liquid is flowed out by energy tower the 3rd output 5e bottom energy tower, after the second solution pump 19 is pressurizeed, energy tower spray equipment is entered by energy tower the 3rd input 5f, spray on finned coil surface, reduce its freezing point, avoid frosting, then return bottom energy tower, complete spray liquid circulation.
Frozen condition, spray liquid is diluted to the first magnetic valve 10 to a certain degree and opens, and ice maker is just opened, and after frozen condition terminates, can be concentrated to original concentration by the spray liquid diluted by enrichment facility.
Only there is temperature difference heat exchange in solution during dry cooling condition in energy tower finned coil and air, ice making, spray, enrichment facility are not opened.
Solution during wet cooling condition in energy tower finned coil and air carry out caloic exchange, and air separates out moisture, in order to avoid the moisture of separating out is by the spray liquid dilution bottom energy tower, directly at the drip tray place of energy tower air inlet bottom, condensate water are discharged energy tower.
During frozen condition, spray solution is opened, and utilizes the freezing point temperature that spray liquid is low, efficiently avoid the appearance of frosting situation, but the moisture that the process that constantly sprays makes air separate out enters spray liquid, along with the accumulation of time, solution concentration reduces, and apparent freezing point raises, and finally can affect antifrost effect.When spray liquid concentration is reduced to a certain degree, first magnetic valve 10 is opened, first the evaporating temperature that Auto-cascade cycle is low is utilized, low-temperature refrigerant without cryogenic vaporizer is first introduced energy tower, by heat exchange, spray liquid is frozen, thus increase its concentration, then after frozen condition terminates namely to spray stopping, spray liquid is concentrated.When more low ambient temperature, the unlatching of ice maker, to a certain extent can steady-state evaporation temperature, and system still can effectively be run.
Claims (6)
1. a self-folding type energy tower heat pump system, is characterized in that: this system is made up of refrigerant loop, solution loop, hot and cold water loop and air loop;
Described refrigerant loop is made up of gas-liquid separator (1), first throttle valve (2), evaporative condenser (3), second throttle (4), energy tower (5), the first evaporimeter (6), the second evaporimeter (7), compressor (8), condenser (9) and connecting pipe, wherein, the output of gas-liquid separator (1) divides two-way, first throttle valve (2) of leading up to is connected with the first input end (3a) of evaporative condenser (3), another road is connected with second input (3c) of evaporative condenser (3), first output (3b) of evaporative condenser (3) is connected with the import of compressor (8), second output (3d) of evaporative condenser (3) is divided into three tunnels after second throttle (4): the first via is connected with energy tower (5) first import (5a) by the first magnetic valve (10), energy tower (5) first exports (5b) by the first stop valve (11), second stop valve (12) is connected with the first input end (6a) of the first evaporimeter (6), second tunnel is connected with the first input end (6a) of the first evaporimeter (6) by the second magnetic valve (13), the second stop valve (12), 3rd tunnel is connected with the first input end (7a) of the second evaporimeter (7) by the second magnetic valve (13), the 3rd stop valve (14), first output (6b) of the first evaporimeter (6) is all connected with the import of compressor (8) with the 5th stop valve (16) respectively by the 4th stop valve (15) afterwards with first output (7b) of the second evaporimeter (7), the outlet of compressor (8) is connected with the first input end (9a) of condenser (9), and first output (9b) of condenser (9) is connected with the import of gas-liquid separator (1),
Described solution loop is made up of solution loop in coil pipe and spray liquid loop, wherein, in coil pipe, solution loop comprises energy tower (5), the first evaporimeter (6), the first solution pump (18), expansion tank (17) and connecting pipe, and spray liquid loop comprises energy tower (5), the second solution pump (19), explosive box (20), dosing tank (21), the 3rd solution pump (22), enrichment facility (23) and connecting pipe;
In described coil pipe in solution loop, second output (6d) of the first evaporimeter (6) is all connected with second import (5c) of energy tower (5) with the import of expansion tank (17), and second taphole (5d) of energy tower (5) is all connected with second input (6c) of the first evaporimeter (6) with the outlet of expansion tank (17); In described spray liquid loop, the 3rd outlet (5e) of energy tower (5) is connected with the import of the second solution pump (19) by the 3rd magnetic valve (24), and the outlet of the second solution pump (19) is connected with the triple feed inlet (5f) of energy tower (5); 4th outlet (5h) of energy tower (5) is connected with the import of liquid reserve tank (20) by the 6th stop valve (25), the outlet of liquid reserve tank (20) is connected with the import of the 8th stop valve (27) with the 3rd solution pump (22) respectively by the 7th stop valve (26) with dosing tank (21), and the outlet of the 3rd solution pump (22) is connected with the 4th import (5i) of energy tower (5); 5th outlet (5j) of energy tower (5) is connected with the import of enrichment facility (23) by the 9th stop valve (28), and the outlet of enrichment facility (23) is connected with the 5th import (5k) of energy tower (5);
Described hot and cold water loop comprises the second evaporimeter (7), expansion tank (29), condenser (9), first water pump (30), second water pump (31), first user end heat exchanger (32), second user side heat exchanger (33) and energy tower (5), wherein, second output (9d) of condenser (9) is connected with the import of the first water pump (30), the outlet of the first water pump (30) is divided into four tunnels, the first via is connected with the import of first user end heat exchanger (32) by the tenth stop valve (34), second tunnel is connected with the 6th import (5l) of energy tower (5) by the 11 stop valve (36), 3rd road and the 4th tunnel are connected with the import of the second user side heat exchanger (33) and the import of expansion tank (29) respectively, the outlet of first user end heat exchanger (32) is connected with second input (9c) of condenser (9) with the 13 stop valve (37) respectively by the 12 stop valve (35) with the 6th outlet (5m) of energy tower (5), the outlet of the second user side heat exchanger (33) is also connected with second input (9c) of condenser (9) with the outlet of expansion tank (29), second output (7d) of the second evaporimeter (7) is connected with the import of first user end heat exchanger (32) by the 14 stop valve (38), and the outlet of first user end heat exchanger (32) is connected with second input (7c) of the second evaporimeter (7) by the 15 stop valve (39),
In described air loop, air enters energy tower (5) by the 7th import (5n) of energy tower (5), successively after spray equipment, heat exchange coil, packing layer, anti-elegant layer and blower fan in energy tower (5), discharge energy tower (5) by the 7th outlet (5o) of energy tower (5).
2. self-folding type energy tower heat pump system according to claim 1, is characterized in that: native system completes the conversion of Auto-cascade cycle unit winter summer grade evaporimeter by the stacked switch of the second stop valve (12), the 3rd stop valve (14), the 4th stop valve (15) and the 5th stop valve (16).
3. self-folding type energy tower heat pump system according to claim 1, it is characterized in that: in described energy tower (5), be provided with ice maker (40), when spray liquid loop be in temperature lower than the environment of-9 DEG C under work time, ice maker (40) open to concentrate spray liquid.
4. self-folding type energy tower heat pump system according to claim 1, it is characterized in that: in described energy tower (5), be provided with ice maker (40), when spray liquid loop be in temperature lower than the environment of-9 DEG C under close time, enrichment facility (23) concentrates the spray liquid after moisture absorption, to ensure spray liquid concentration.
5. self-folding type energy tower heat pump system according to claim 1, it is characterized in that: in described energy tower (5), be provided with ice maker (40), when spray liquid loop be in temperature lower than the environment of-20 DEG C under time, by opening ice maker (40) with stable evaporating temperature, ensure the operational efficiency of system.
6. self-folding type energy tower heat pump system according to claim 1, is characterized in that: combined with energy tower by Auto-cascade cycle, heat pump system efficiency under raising winter low temperature high humidity environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523603.5U CN204084930U (en) | 2014-09-12 | 2014-09-12 | A kind of self-folding type energy tower heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523603.5U CN204084930U (en) | 2014-09-12 | 2014-09-12 | A kind of self-folding type energy tower heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204084930U true CN204084930U (en) | 2015-01-07 |
Family
ID=52177636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420523603.5U Withdrawn - After Issue CN204084930U (en) | 2014-09-12 | 2014-09-12 | A kind of self-folding type energy tower heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204084930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214984A (en) * | 2014-09-12 | 2014-12-17 | 河南科技大学 | Auto-cascade energy tower heat pump system |
| WO2016146084A1 (en) * | 2015-03-17 | 2016-09-22 | 黄国和 | All-weather solar energy water source heat pump air conditioning system |
-
2014
- 2014-09-12 CN CN201420523603.5U patent/CN204084930U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214984A (en) * | 2014-09-12 | 2014-12-17 | 河南科技大学 | Auto-cascade energy tower heat pump system |
| CN104214984B (en) * | 2014-09-12 | 2016-04-13 | 河南科技大学 | A kind of self-folding type energy tower heat pump system |
| WO2016146084A1 (en) * | 2015-03-17 | 2016-09-22 | 黄国和 | All-weather solar energy water source heat pump air conditioning system |
| US10436482B2 (en) * | 2015-03-17 | 2019-10-08 | Hunan Dongyou Water Vapor Energy Energy-Saving CO., Ltd | All-weather solar water source heat pump air conditioning system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102914047B (en) | Air source hot pump water heater | |
| CN104374117A (en) | Water chilling unit and control method | |
| CN107560253A (en) | The energy-conservation defrosting system and its control method of a kind of air source heat pump | |
| CN202853111U (en) | Air source heat pump water heater | |
| CN204329397U (en) | Handpiece Water Chilling Units | |
| CN101893347A (en) | Direct-type solar air conditioning compound system | |
| CN108088108A (en) | A kind of subway station direct-expansion type evaporative condenser heat pump air conditioning system and its method of work | |
| CN102620489B (en) | Air conditioner heat pump unit with antifreeze solution regenerated heat recovery device | |
| CN204084930U (en) | A kind of self-folding type energy tower heat pump system | |
| CN104214984B (en) | A kind of self-folding type energy tower heat pump system | |
| CN205803956U (en) | Heat pump clothes dryer | |
| CN102410675B (en) | Over-cooling device and over-cooling method for evaporative condensation type refrigeration system | |
| KR100975864B1 (en) | The cooling and heating system using solar and wind power hybrid system | |
| CN207751197U (en) | A kind of novel hot water heating refrigeration multifunctional unit system | |
| CN202328942U (en) | Supercooling device for evaporative condensate type refrigeration system and method thereof | |
| CN102620474B (en) | Air conditioner cold-hot water unit with antifreeze solution regenerated heat recovery device | |
| CN202660808U (en) | Novel heat pipe and heat pump combined refrigerating device | |
| CN204006769U (en) | Two stages of compression continuously heating device | |
| CN202581630U (en) | Antifreezing solution recovered heat recovery device used for refrigeration air-conditioning system | |
| CN208170775U (en) | A kind of subway station direct-expansion type evaporative condenser heat pump air conditioning system | |
| CN102297542B (en) | Water chilling unit capable of first being thermally started and then electrically driven | |
| CN207662012U (en) | A kind of refrigeration system of absorption and steam compressed combination | |
| CN202675751U (en) | Air-condition heat pump unit provided with anti-freezing solution regenerated heat recovery device | |
| CN106440478B (en) | Superposition type solution series mono-potency lithium bromide absorption type refrigeration heat pump unit | |
| CN106642795B (en) | Superposition type solution parallel connection mono-potency lithium bromide absorption type refrigeration heat pump unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |