CN102252459B - Air energy-collecting tower heat pump unit - Google Patents
Air energy-collecting tower heat pump unit Download PDFInfo
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- CN102252459B CN102252459B CN201110119871.1A CN201110119871A CN102252459B CN 102252459 B CN102252459 B CN 102252459B CN 201110119871 A CN201110119871 A CN 201110119871A CN 102252459 B CN102252459 B CN 102252459B
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Abstract
The invention relates to an air energy-collecting tower heat pump unit which comprises an air energy-collecting tower, an energy storage thermostatic water tank, a vortex main engine, an air conditioner end, a unit pipeline and an antifreezing liquid concentration system, wherein the antifreezing liquid concentration system comprises a charging barrel, a generating barrel, a condenser, a water bucket and a vacuum pump; the generating barrel is respectively communicated with the charging barrel and the condenser, the condenser is also communicated with the water bucket and the water bucket is also communicated with the vacuum pump; the generating barrel is also communicated with a liquid inlet pump and a liquid outlet pump, an electrical bar is installed in the generating barrel, a hydrometer is installed on the generating barrel; the liquid inlet pump is respectively communicated with a liquid outlet of air energy-collecting tower and the unit pipeline, the liquid outlet pump is respectively connected with an liquid inlet of the air energy-collecting tower and the unit pipeline; an electric heating pipe is installed in a liquid inlet pipe of an evaporator; and a rain holding and rain proofing device is installed on the air energy-collecting tower. The invention can concentrate the antifreezing liquid, can realize rain proofing and rain-holding functions and can improve the temperature of the solution entering into the evaporator of the vortex main engine.
Description
Technical field
The present invention relates to a kind of air energy-collecting tower source pump.
Background technology
The air energy-collecting tower source pump of prior art, as the Chinese patent that the patent No. is 200810031355.1, has following characteristics and problem:
1, summer, by air energy-collecting tower, utilize evaporative cooling to provide stable low-temperature receiver for source pump; Winter, the air energy-collecting tower utilization mounting medium that is below the freezing point, the air wet bulb sensible heat energy that high efficiency extraction is below freezing, thus provide reliable thermal source for source pump.There is not the serious frosting of air-cooled heat pump and the limited problem of earth source heat pump suitable application region in energy gathering tower source pump, it has changed traditional Water cooled air conditioners history that only applicable single cropping joint is used, the refrigeration and heating mode that has replaced Environmental Cities unit refrigeration+oil burning boiler is a revolution of field of air conditioning.Energy gathering tower heat pump main frame machine is simple in structure, refrigeration can be provided simultaneously, heat, hot water function, and system features in convenient, is widely used in market, hospital, hotel, apartment, hotel.
Theoretical research shows:
When evaporating temperature raises, the coefficient of performance raises; During reduction, the coefficient of performance declines.
When condensation temperature reduces, the coefficient of performance raises; During rising, the coefficient of performance declines.
Under evaporating temperature certain condition:
Condensation temperature raises 1 ℃, air-conditioning unit Efficiency Decreasing approximately 4.2% left and right.
Condensation temperature reduces by 1 ℃, air-conditioning unit efficiency approximately 4.0% left and right that raises.
Under condensation temperature certain condition:
Evaporating temperature reduces by 1 ℃, air-conditioning unit Efficiency Decreasing approximately 4.2% left and right.
Evaporating temperature raises 1 ℃, air-conditioning unit efficiency approximately 4.0% left and right that raises.
But in the winter of severe cold, as Hangzhou, Shanghai and other places, in the middle of 1 year, there will be the noncontinuity low temperature and high relative humidity weather about January, the solution temperature in energy gathering tower likely will drop to subzero 20 °, the solution temperature that now enters into vortex main machine evaporimeter is very low, and evaporating temperature declines.These factors are all the tests to air-conditioning system.
When 2, air energy-collecting tower source pump is moved in the winter time, its working media (anti frozen liquid) thus absorb the sensible heat of air and latent heat provides reliable thermal source for heat pump main frame.When winter-20～10 ℃ low temperature and overcast and rainy continuous during, relative humidity is 85% when above, when the freeze proof solution film of energy gathering tower directly carries out sensible heat and latent heat heat exchange with air, airborne moisture content has condensed, freeze proof solution concentration declines, freezing point rises, when dry, wet-bulb temperature is poor freeze proof solution spontaneous evaporation concentration process occurs while surpassing certain numerical value, makes freeze point depression.Thereby affected the normal work of unit.In addition,, in sleet season, understand some sleet and fall into energy gathering tower, thereby the concentration of anti frozen liquid also can reduce and affect unit operation like this.
3, summer, during air conditioner refrigerating, air energy-collecting tower is used as cooling tower, for main condenser provides the recirculated cooling water (clear water) of 30/35 degree, due to air energy-collecting tower, be arranged on the outside occasions such as roof, long-play there will be the water phenomenon of wafing, and makes the discharge reduction in cooling recirculation system, and therefore need to connect special-purpose moisturizing interface carries out moisturizing.And summer, rainfall was larger, but energy gathering tower cannot be used rainwater to carry out moisturizing.
Winter, during air-conditioning heating, air energy-collecting tower need to absorb latent heat in occurring in nature air and obviously at low temperatures, for evaporimeter provides Lowlevel thermal energy, from compressor pump, deliver to condenser again and become high level heat, energy gathering tower can freeze proof solution need to keep certain proportion concentration, and while raining in the winter time, if energy gathering tower bottom ponding is too many, rainwater can pour in down a chimney and in tower, causes into solution dilution.
Summary of the invention
Technical problem to be solved by this invention is to overcome existing above-mentioned shortcoming in prior art, and a kind of reasonable in design is provided, can concentrates anti frozen liquid, can be rainproof and connect rain, can improve the air energy-collecting tower source pump that enters into vortex main machine evaporimeter solution temperature.
The present invention addresses the above problem adopted technical scheme: a kind of air energy-collecting tower source pump, comprises air energy-collecting tower, energy-storage constant-temperature water tank, vortex main machine, air-conditioning end, unit pipeline; Vortex main machine comprises compressor, evaporimeter, main condenser; The liquid outlet of air energy-collecting tower and inlet and unit pipeline are connected, the hot water inlet of energy-storage constant-temperature water tank and cooling water outlet and unit pipeline are connected, the liquid outlet of evaporimeter and inlet and unit pipeline are connected, the liquid outlet of main condenser and inlet and unit pipeline are connected, and the liquid outlet of air-conditioning end and inlet and unit pipeline are connected; It is characterized in that:
Also comprise anti-freezing liquid concentration system, described anti-freezing liquid concentration system comprises charging bucket, bucket, condenser, bucket, vavuum pump occurs; Bucket occurs and connect with charging bucket, condenser respectively, condenser is also connected with bucket, and bucket is also connected with vavuum pump; On generation bucket, also connect and have liquid feeding pump and positive displacement pump, in there is bucket, electrical bar is installed, on generation bucket, densimeter is installed; Liquid feeding pump is connected with liquid outlet and the unit pipeline of air energy-collecting tower respectively, and positive displacement pump is connected with inlet and the unit pipeline of air energy-collecting tower respectively;
In the feed tube of described evaporimeter, electrothermal tube is installed;
On described air energy-collecting tower, be provided with and connect rain and rain insensitive device, described rain and the rain insensitive device of connecing comprises and connects awning, the first stop valve, the second stop valve, pipeline; Pipeline is connected with connecing awning, and the first stop valve and the second stop valve are connected with pipeline respectively, and the drip tray of the second stop valve and air energy-collecting tower is connected.
The present invention is also provided with sensing rod for temperature, vacuum meter, generation bucket exhaust-valve on described generation bucket.
The present invention is provided with mixer in described charging bucket.
The present invention also comprises and looks fluid cylinder, connects the other end and bucket connection depending on fluid cylinder one end and condenser.
The present invention connects on described bucket bucket exhaust-valve and distillation water valve.
The present invention also comprises liquid feed valve and tapping valve, and liquid feed valve is connected with liquid feeding pump and generation bucket respectively, and tapping valve is connected with positive displacement pump and generation barrel respectively.
Unit pipeline of the present invention comprises the first rectifier bridge and the second rectifier bridge; The first rectifier bridge is connected with vortex main machine, air-conditioning end, energy-storage constant-temperature water tank, air energy-collecting tower, positive displacement pump respectively; The second rectifier bridge is connected with vortex main machine, air-conditioning end, energy-storage constant-temperature water tank, air energy-collecting tower, liquid feeding pump respectively.
The present invention compared with prior art, has the following advantages and effect: 1, reasonable in design; 2, can improve in the winter time the temperature that enters into vortex main machine evaporimeter solution, elevator system performance, maintains the good operation of a whole set of energy gathering tower source pump; 3, when summer, can connect rain to air energy-collecting tower moisturizing, in the time of in the winter time, can be rainproof; 4, utilize vacuum compression principle to concentrate anti frozen liquid, thickening efficiency is high, thereby improves air energy-collecting tower source pump efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structural representation of vortex main machine.
Fig. 3 is the structural representation that connects rain and rain insensitive device.
Fig. 4 is the structural representation that the first stop valve, the second stop valve, pipeline, the corner pieces that connect rain and rain insensitive device is connected.
Fig. 5 connects rain and the schematic diagram of rain insensitive device on air energy-collecting tower.
Fig. 6 is the structural representation of anti-freezing liquid concentration system.
Fig. 7 is the partial schematic diagram of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing and by embodiment, the invention will be further described.
Embodiment: referring to Fig. 1～Fig. 7, the present invention includes air energy-collecting tower A, energy-storage constant-temperature water tank B, vortex main machine C, air-conditioning end D, unit pipeline E, anti-freezing liquid concentration system F.
Vortex main machine C comprises compressor C1, evaporimeter C2, main condenser C3.Vortex main machine C is modular, and the refrigerating capacity of single vortex main machine C is 66KW, can be according to the needs of client's use occasion, and energy spread is carried out in module combination, and maximum 16 modules capable of being combined, provide 1056KW ability to air-conditioning system.
The liquid outlet of air energy-collecting tower A and inlet and unit pipeline E connect.The liquid outlet of energy-storage constant-temperature water tank B and inlet and unit pipeline E connect.The liquid outlet of evaporimeter C2 and inlet and unit pipeline E connect.The liquid outlet of main condenser C3 and inlet and unit pipeline E connect.The liquid outlet of air-conditioning end D and inlet and unit pipeline E connect.
In the feed tube C21 of evaporimeter C2, be mounted with electrothermal tube C22, electrothermal tube C22 can be electrically connected to the electric-control system of air energy-collecting tower source pump, the switch of electric control system controls electrothermal tube C22.Electrothermal tube C22 can heat the solution temperature that enters evaporimeter C2, thereby improves evaporating temperature.
While heating in the winter time, can set into solution-15 degree and connect electrothermal tube C22 heating ,-8 degree cut off electrothermal tube C22.
Owing to entering the solution temperature of evaporimeter C2, get a promotion, evaporating temperature is corresponding improve also, electrothermal tube C22 adds heat and will enter into evaporation ends, with evaporimeter C2 together with the heat extracting solution, by compressor pump, deliver to high level heat for user, heat efficiency and get a promotion, system security of operation.
Meeting rain and rain insensitive device G comprises and meets awning G1, the first stop valve G2, the second stop valve G3, pipeline G4.
Meet awning G1 for annular, it comprises four corner pieces G5 and a plurality of vertical bar part G6, and corner pieces G5 and vertical bar part G6 fix.Pipeline G4 and corner pieces G5 connect, and the first stop valve G2 and the second stop valve G3 connect with pipeline G4 respectively.
Connect the surrounding that rain and rain insensitive device G are fixed on air energy-collecting tower, the drip tray of the second stop valve G3 and air energy-collecting tower is connected.During winter heating, what in air energy-collecting tower, circulate is freeze proof solution, and the second stop valve G3 is closed, and the first stop valve G2 opens, and while raining, meets awning G1 and accepts rainwater and drain into outside tower by the first stop valve G2, prevents that tower prodelta clay water is too many.Summer, while freezing, what in energy gathering tower, circulate was clear water, and the second stop valve G3 is opened, and the first stop valve G2 closes, and while raining, met awning G1 and accepted rainwater and drain in drip tray by the second stop valve G3, added to and in tower, entered cooling water channel system.
Anti-freezing liquid concentration system F comprises charging bucket F1, bucket F2, condenser F3, bucket F4, vavuum pump F5 occurs.
Bucket F2 occurs respectively with built-in pipeline and charging bucket F1 and condenser F3 connection, condenser F3 also connects with built-in pipeline and bucket F4, and bucket F4 also connects with built-in pipeline and vavuum pump F5, forms a set of reinforced and vacuum concentration system.
Occurring also with built-in pipeline connection, have liquid feeding pump F6 and positive displacement pump F7 on bucket F2, liquid feeding pump F6 connects with liquid outlet and the unit pipeline E of air energy-collecting tower A respectively, and positive displacement pump F7 connects with inlet and the unit pipeline E of air energy-collecting tower A respectively.
Electrical bar F8, liquid-level floater rod F11, sensing rod for temperature F12 are installed in there is bucket F2, on generation bucket F2, densimeter F9, vacuum meter F13 are also installed, bucket exhaust-valve F14 occurs.Liquid feed valve F15 connects with liquid feeding pump F6 and generation bucket F2 respectively, and tapping valve F16 connects with positive displacement pump F7 and generation barrel F2 respectively.
On bucket F4, connect and have distillation water valve F10 and bucket exhaust-valve F19.
Mixer F17 is installed in charging bucket F1, for stirring the anti frozen liquid in charging bucket F1.
Depending on fluid cylinder F18 one end and condenser F3, connect, the other end and bucket F4 connection, for observing the situation of the distilled water that condenser F3 condensation goes out.
Anti-freezing liquid concentration system F adopts Vacuum Concentration principle.Vacuum Concentration is that to utilize the method for vacuum evaporation to reach material concentrated, generally under 18 ~ 8KPa low-pressure state, in steam indirect mode, material liquid is heated, make its explosive evaporation at low temperatures, temperature of charge is low like this, and heats the temperature difference increase of steam used and boiling liquid material, under identical heat transfer condition, the evaporation rate during than atmospheric evaporation is high.
Under heating condition condition, open liquid feed valve F15 in the winter time, by liquid feeding pump F6, from air energy-collecting tower A, pump into anti frozen liquid, check densimeter F9: whether anti frozen liquid concentration maintains setting, as report excessive concentration, clear water dilution is directly added in protection.The concentration that anti frozen liquid detected as densimeter F9 during lower than the proportion standard value of regulation, is shut down.Anti-freezing liquid concentration system F enters operation enrichment stage the concentrated anti frozen liquid 500KG of needs is pumped into and occurred after bucket F2 with liquid feeding pump F6, open condenser F3 terminal valve, fasten all the other each valves, electrical bar F8 switches on heating until anti frozen liquid temperature reaches 70 ° simultaneously, start vavuum pump F5 simultaneously and turn round and vacuumize all the time, start vacuum compression.There is the anti frozen liquid distillation water outlet in bucket F2, after condenser F3 condensation, converge in bucket F4.After 1 hour duration, press on & off switch shutdown and stop distillation, open exhaust-valve, connect atmospheric pressure, after equal pressure balance, open distillation water valve F10, discharge the distilled water in bucket F4.Start positive displacement pump F7, by the anti frozen liquid blowback air energy-collecting tower A occurring after concentrated in bucket F2.Enter again next concentrated circulation.
If anti frozen liquid is very few in air energy-collecting tower A, can from charging bucket F1, add anti frozen liquid, anti frozen liquid pumps into energy gathering tower source tower water circuit system through there is bucket F2 by positive displacement pump F7, plays the effect of dosing.Open liquid feeding pump F6, can from energy gathering tower, collect anti frozen liquid.
The heating of directly quoting electrical bar F8 in there is bucket F2, can rapidly the solution occurring in bucket generation bucket F2 be warming up to 50 ° ~ 70 °, reduced the time in concentrated cycle of unit, and the low-temperature heat energy end that this part energy can enter into again, by compressor work pump to high potential temperature for client, owing to having improved the evaporating temperature of the present embodiment, so the resulting high level heat of user side D will further raise, Energy Efficiency Ratio obtains good lifting, and thickening efficiency is high.
Unit pipeline E is comprised of a plurality of valves, circulating pump and pipeline.Unit pipeline E comprises the first rectifier bridge E1 and the second rectifier bridge E2.The first rectifier bridge E1 respectively with the liquid outlet of evaporimeter C2, the inlet of the liquid outlet of main condenser C3, air-conditioning end D, the hot water inlet of energy-storage constant-temperature water tank B, the inlet of air energy-collecting tower A, positive displacement pump F7 connect.The second rectifier bridge E2 respectively with the inlet of evaporimeter C2, the liquid outlet of the inlet of main condenser C3, air-conditioning end D, the cooling water outlet of energy-storage constant-temperature water tank B, the liquid outlet of air energy-collecting tower A, liquid feed valve F6 connect.It is more convenient that the first rectifier bridge E1 and the second rectifier bridge E2 control unit pipeline E.
The valve of unit pipeline E comprises: valve EA, valve EB, valve EC, valve ED, valve EA1, valve EB1, valve EC1, valve ED1, valve EE1, valve EE2, valve EE3, valve EE4.Wherein, the first rectifier bridge E1 comprises valve EA1, valve EB1, valve EC1, valve ED1, and valve EA1 and valve EB1 series connection form one group, and valve EC1 and valve ED1 series connection form one group, and these two groups in parallel again.The second rectifier bridge E2 comprises valve EA, valve EB, valve EC, valve ED, and valve EC and valve EB series connection form one group, and valve ED and valve EA series connection form one group, and these two groups in parallel again.
The circulating pump of unit pipeline E comprises: circulating pump E3, circulating pump E4, circulating pump E5.
During air conditioner refrigerating, valve EA, valve EC, valve EA1, valve EC1, valve EE3, valve EE4 close, and circulating pump E5 stops, and circulating pump E3 and circulating pump E4 leave.
During air-conditioning heating, valve EB, valve ED, valve EB1, valve ED1, valve EE3, valve EE4 close, and circulating pump E5 stops, and circulating pump E3 and circulating pump E4 leave.
During domestic hot-water processed, valve EB, valve ED, valve EB1, valve ED1, valve EE1, valve EE2 close, and circulating pump E4, circulating pump E5 leave, and circulating pump E3 stops.
The present invention has three kinds of functions: air-conditioning end refrigeration, air-conditioning end heat, energy-storage constant-temperature water tank productive life hot water.
Claims (7)
1. an air energy-collecting tower source pump, comprises air energy-collecting tower, energy-storage constant-temperature water tank, vortex main machine, air-conditioning end, unit pipeline; Vortex main machine comprises compressor, evaporimeter, main condenser; The liquid outlet of air energy-collecting tower and inlet and unit pipeline are connected, the hot water inlet of energy-storage constant-temperature water tank and cooling water outlet and unit pipeline are connected, the liquid outlet of evaporimeter and inlet and unit pipeline are connected, the liquid outlet of main condenser and inlet and unit pipeline are connected, and the liquid outlet of air-conditioning end and inlet and unit pipeline are connected; It is characterized in that:
Also comprise anti-freezing liquid concentration system, described anti-freezing liquid concentration system comprises charging bucket, bucket, condenser, bucket, vavuum pump occurs; Bucket occurs and connect with charging bucket, condenser respectively, condenser is also connected with bucket, and bucket is also connected with vavuum pump; On generation bucket, also connect and have liquid feeding pump and positive displacement pump, in there is bucket, electrical bar is installed, on generation bucket, densimeter is installed; Liquid feeding pump is connected with liquid outlet and the unit pipeline of air energy-collecting tower respectively, and positive displacement pump is connected with inlet and the unit pipeline of air energy-collecting tower respectively;
In the feed tube of described evaporimeter, electrothermal tube is installed;
On described air energy-collecting tower, be provided with and connect rain and rain insensitive device, described rain and the rain insensitive device of connecing comprises and connects awning, the first stop valve, the second stop valve, pipeline; Pipeline with connect awning and connect, the first stop valve and the second stop valve are connected with pipeline respectively, the drip tray of the second stop valve and air energy-collecting tower is connected, during winter heating, the second stop valve is closed, and the first stop valve is opened, while raining, connecing awning accepts rainwater and drains into outside tower by the first stop valve, summer, while freezing, the second stop valve was opened, and the first stop valve is closed.
2. air energy-collecting tower source pump according to claim 1, is characterized in that: sensing rod for temperature, vacuum meter, generation bucket exhaust-valve are also installed on described generation bucket.
3. air energy-collecting tower source pump according to claim 1, is characterized in that: in described charging bucket, mixer is installed.
4. air energy-collecting tower source pump according to claim 1, is characterized in that: also comprise and look fluid cylinder, depending on fluid cylinder one end and condenser, connect, the other end and bucket are connected.
5. air energy-collecting tower source pump according to claim 1, is characterized in that: on described bucket, connect and have bucket exhaust-valve and distillation water valve.
6. air energy-collecting tower source pump according to claim 1, is characterized in that: also comprise liquid feed valve and tapping valve, liquid feed valve is connected with liquid feeding pump and generation bucket respectively, and tapping valve is connected with positive displacement pump and generation barrel respectively.
7. air energy-collecting tower source pump according to claim 1, is characterized in that: described unit pipeline comprises the first rectifier bridge and the second rectifier bridge; The first rectifier bridge is connected with vortex main machine, air-conditioning end, energy-storage constant-temperature water tank, air energy-collecting tower, positive displacement pump respectively; The second rectifier bridge is connected with vortex main machine, air-conditioning end, energy-storage constant-temperature water tank, air energy-collecting tower, liquid feeding pump respectively.
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| CN201110119871.1A CN102252459B (en) | 2011-05-10 | 2011-05-10 | Air energy-collecting tower heat pump unit |
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| CN201110119871.1A CN102252459B (en) | 2011-05-10 | 2011-05-10 | Air energy-collecting tower heat pump unit |
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| CN102252459B true CN102252459B (en) | 2014-04-30 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103411350B (en) * | 2013-08-13 | 2015-05-20 | 上海海事大学 | Solar cooling plate based combined cooling and heating system |
| CN104501458B (en) * | 2014-12-15 | 2017-01-25 | 安徽中家智锐科技有限公司 | Saline energy-gathering tower heat pump system and saline concentration adjusting method thereof |
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Effective date of registration: 20161220 Address after: 310000 Zhejiang economic and Technological Development Zone, Hangzhou, No. 6 Poplar Street, No. 452, high-tech incubator, building 2 B1401-1402 Patentee after: Hangzhou United Energy Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 310007 Gongshu District Yaojiang Moganshan Road 100, International Building B 8A Patentee before: Hangzhou Energy Investment Administration Co., Ltd. |