CN1746592A

CN1746592A - evaporative compressor condensing unit

Info

Publication number: CN1746592A
Application number: CN 200510094648
Authority: CN
Inventors: 金兴才
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-07
Filing date: 2005-10-07
Publication date: 2006-03-15

Abstract

The invention relates to an evaporative compression condensing unit which comprises a condenser, a compressor, a liquid receiver, an oil collector and an oil separator, wherein the condenser is an evaporative condenser, a spray pipe in the evaporative condenser is connected with one end of a spray pump, the other end of the spray pump is connected into a water pool, a plurality of spray nozzles are arranged on the spray pipe, and a coil pipe group consisting of elliptical pipes is arranged below the spray nozzles. An air inlet window and a spraying water pool are arranged below the evaporation coil group. The advantages are that: the evaporative condenser does not need a cooling tower and a circulating pump, is integrally assembled, greatly reduces pipelines and valves, reduces the on-way resistance of the pipelines, integrally overcools the internal vapor, improves the unit refrigerating capacity and improves the cooling speed; shaft power is 78KW under standard conditions, and refrigerating capacity is 218 KW; the pressure ratio is improved by more than or equal to 8, the pressure difference is less than or equal to 1.4MPa, and the exhaust temperature is less than or equal to 130 ℃; the evaporative condenser is evaporated by spray water, heat is taken away by a fan, the circulating water quantity is small, and the pump lift is low, so that the power consumption is obviously reduced. Saving land, saving energy, low cost and no pollution.

Description

Evaporated compressor condensation unit

Technical field

What the present invention relates to is the vaporation-type Condensing units, belongs to refrigeration technology field.

Background technology

Prior art, upright cold as LN-75, its structure is after the compressed machine of ammonia compressor starts, to produce refrigeration oil and freezing liquid, mixes producing high pressure, and one the tunnel sends into oil catcher, and the mist that another road produces is sent into oil eliminator.Oil catcher decomposes remaining oil and gas, after putting into bucket after oil is concentrated, add refrigerator again, freezing liquid flows in the liquid reservoir, oil eliminator is that the mist that compressor produces is decomposed, freezing liquid gas is sent into vertical (type) condenser, vertical (type) condenser by water quench after, gas is converted to liquid, last inflow liquid reservoir, following liquid separates one the road again with oil and flows into oil eliminator, another road flows into liquid reservoir, the cooling water that cooling tower flows down is 32 ℃, enters upright cold, cooling water will found the heat of cold generation and take away, upwards send into cooling tower by circulating pump and cool off, entering cooling column water temperature is 37 ℃, and cooling tower is sprayed downwards by the hot water that comes in the pumping, make progress the heat sucking-off by the blower fan above the cooling tower, produce the geomantic omen hot-fluid is exchanged, produce cold, liquid reservoir is to compile all freezing liquids, after plaing a part to separate clearly, send into after air-breathing by compressor is closed circuit, screw and vertical tube evaporator produces refrigeration, make the salt water generates from 0 ℃ to-40 ℃ the refrigerating effect that does not wait, screw and vertical tube evaporator is by casing, coil pipe, agitator is formed, and produces condensed water by Nacl and water by coil pipe, sends into equipment needed thereby by coolant pump, salt solution is constantly stirred by agitator, making salt solution not-easy-to-freeze, is the angle square valve upward, makes liquid be difficult for refluxing, it is down control valve, play and regulate and the maintenance effect, after pressure surpasses the high pressure of 16kg, can discharge automatically; Play the automatic discharging pressure function, after the cooling fluid loss, suck, play and replenish the cooling fluid function by compressor.Because use vertical (type) condenser, and need to make general layout huge with cooling tower, circulating pump, floor space is big, the bulk type pipeline is long, valve is many, and resistance is big, and cooling rate is slow, the distributing operation, workload is big, and is wayward, adopts shell-and-tube cooler, need to adopt a large amount of water and medium heat exchange, so quantity of circulating water is big, the pump lift height, power consumption is big, and cooling tower power increases, and does not have water collection device, year maintenance cost increase, power consumption, consumptive material, operating cost height and contaminated environment.

Summary of the invention

The objective of the invention is to defective at above-mentioned existence, a kind of vaporation-type Condensing units is proposed, the comb of its evaporimeter replaces vertical (type) condenser, and evaporimeter ectosome, spray system blower fan and motor are to have substituted cooling tower, circulating pump, thereby pipeline and valve have been shortened widely, simplify the structure, the design that makes complete machine is science, more reasonable more, energy-conservation, economize material, stable work in work, reliable, bookkeeping is easier.

Technical solution of the present invention: its structure is to comprise condenser, compressor, liquid reservoir, oil catcher, oil eliminator, after the compressed machine of ammonia compressor starts, produce refrigeration oil and freezing liquid, mix producing high pressure, one the tunnel sends into oil catcher, and the mist that another road produces is sent into oil eliminator; Oil catcher decomposes remaining oil and gas, put into bucket after oil is concentrated after, add refrigerator again, in the freezing liquid inflow liquid reservoir; Oil eliminator is that the mist that compressor produces is decomposed, freezing liquid gas is sent into condenser, condenser by water quench after, gas is converted to liquid, last inflow liquid reservoir, following liquid separates one the road again with oil and flows into oil eliminator, another road flows into liquid reservoir, it is characterized in that described condenser is an evaporative condenser, shower in the evaporative condenser connects an end of spray pump, and the other end of spray pump inserts the pond, and several nozzles are installed on the shower, the evaporation coil group that the below of nozzle is made up of several elliptical tubes, the below of evaporation coil group are air-inlet window and spray pond.

Advantage of the present invention: evaporative condenser need not cooling tower, circulating pump, adopts the monoblock type assembling, and pipeline, valve greatly reduce, and the pipeline on-way resistance reduces, and monoblock type is cold excessively to the inner vapor body, improves specific refrigerating effect, and cooling rate improves; The monoblock type automaticity improves, and is easy and simple to handle; Auxilliary power 78KW refrigerating capacity 218KW under the mark condition; Pressure ratio improves 〉=8, pressure reduction≤1.4MPa, delivery temperature≤130 ℃; Adopt evaporative condenser, with the shower water evaporation, heat is taken away by blower fan, because quantity of circulating water is little, pump lift is low, so power consumption obviously reduces.If the vertical (type) condenser during LN-75 of the prior art is upright cold is used evaporative condenser instead, then it accounts for construction area and saves 60%, and general power saves 50%, and annual electricity consumption was by 300 days, and the electricity charge are by 0.5 yuan of calculating, and operating cost reduces 70%, no maintenance cost.The monoblock type assembling, the consumption of steel material obviously reduces, and the recirculated water consumption is few, and environmental protection condition is good; System amount system condensing pressure reduces, and main motor current reduces 20%.

Description of drawings

Accompanying drawing 1 electric structural representation of the present invention

Among the figure 1 is compressor, the 2nd, oil eliminator, the 3rd, liquid reservoir, the 4th, oil catcher, the 5th, evaporative condenser, the 6th, spray pond, the 7th, air-inlet window, the 8th, evaporation coil group, the 9th, casing, the 10th, wind bucket, the 11st, motor, the 12nd, blower fan, the 13rd, water collection device, the 14th, feed liquor house steward, the 15th, fluid house steward, the 16th, balance pipe, the 17th, adjusting and service valve, the 18th, atmospheric valve, the 19th, safety valve.

The specific embodiment

The contrast accompanying drawing, its structure is to comprise condenser, compressor 1, liquid reservoir 3, oil catcher 4, oil eliminator 2, after the compressed machine 1 of ammonia compressor starts, produce refrigeration oil and freezing liquid, mix producing high pressure, the one tunnel sends into oil catcher 4, and the mist that another road produces is sent into oil eliminator 2; Oil catcher 4 decomposes remaining oil and gas, put into bucket after oil is concentrated after, add refrigerator again, in the freezing liquid inflow liquid reservoir 3; Oil eliminator 2 is that the mist that compressor 1 produces is decomposed, freezing liquid gas is sent into condenser, condenser by water quench after, gas is converted to liquid, last inflow liquid reservoir 3, following liquid separates one the road again with oil and flows into oil eliminator 2, another road flows into liquid reservoir 3, described condenser is an evaporative condenser 5, shower in the evaporative condenser 5 connects an end of spray pump, the other end of spray pump inserts spray pond 6, and several nozzles, the evaporation coil group 8 that the below of nozzle is made up of some elliptical tubes are installed on the shower.The below of evaporation coil group 8 is air-inlet window 7 and spray pond 6.Send into shower by shower water through spray pump, several nozzles spray evaporation coil group 8 downwards on shower, finish freezing liquid gas and the heat exchanging process of managing outer shower water in the coil pipe, the heat of generation (atomization gas) is discharged by blower fan 12 behind the water collection device recycle-water.

The course of work of evaporative condenser:

Spray pond 6 is used for spray pump upwards to be beaten, and is sprayed in the evaporation coil group of being made up of some Φ 27mm elliptical tubes 8 downwards by nozzle, makes gas and shower water heat exchange in the every coil pipe in the evaporation coil group 8, and making the gas cooled in the coil pipe is liquid.The heat that produces is upwards discharged by blower fan.Replace vertical (type) condenser of the prior art, and evaporimeter ectosome, spray system blower fan and motor are to have substituted cooling tower, circulating pump, air-inlet window 7 is arranged on the below of evaporation coil group 8 and plays refraction sunlight, and air intake prevents that foreign material from sucking.Quotation pipe group 8 by some Φ 27mm elliptical tubes are formed is contained in the casing 9, and when water was sprayed downwards, water was along tube wall following current from up to down, thereby finishes liquid in pipe and the outer shower water heat exchanging process of pipe.Wind bucket 10 is used for connect box, the effect of fixed electrical machinery 11, blower fan 12, wind-guiding.Moistureproof vertical machine is used for the transmission blower fan to be made on the wind direction heat is discharged.When being sprayed by the water of spray system, produce atomization gas downwards, the atomization gas when upwards being arranged by blower fan 12 by water collection device, becomes water and reclaims, and reduces the damage by water consumption.The gas of being discharged by compressor 1 enters the condensation comb by the feed liquor house steward, after the exchange in geomantic omen, converts liquid to by the fluid house steward by gas, enters in the liquid reservoir 3.The feed liquor house steward is provided with and regulates and service valve 17.The balance pipe 16 of Φ 27mm is that air inlet pipe and oil eliminator are carried out balance.When adding liquid, opening atmospheric valve 18 air of giving out light.If do not reach when needing by cooling water and fan delivery, to produce cooling bad, when producing condensing pressure and exceeding 16kg, by the safety valve venting of reporting to the police automatically.

Claims

1, evaporated compressor condensation unit, comprise condenser, compressor (1), liquid reservoir (3), oil catcher (4), oil eliminator (2), after the compressed machine of ammonia compressor (1) starts, produce refrigeration oil and freezing liquid, mix and produce HTHP, one the tunnel sends into oil catcher (4), and the mist that another road produces is sent into oil eliminator (2); Oil catcher (4) decomposes remaining oil and gas, put into bucket after oil is concentrated after, add refrigerator again, in the freezing liquid inflow liquid reservoir (3); Oil eliminator decomposes the mist that compressor (1) produces, freezing liquid gas is sent into condenser, condenser by water quench after, gas is converted to liquid, flow into liquid reservoir (3), it is characterized in that described condenser is evaporative condenser (5), shower in the evaporative condenser (5) connects an end of spray pump, the other end of spray pump inserts spray pond (6), several nozzles are installed on the shower, the evaporation coil group (8) that the below of nozzle is made up of some elliptical tubes, the below of evaporation coil group (8) are air-inlet window (7) and spray pond (6).