CN101458001A - Compressor air-discharging and supercharging energy-conserving method and apparatus - Google Patents

Compressor air-discharging and supercharging energy-conserving method and apparatus Download PDF

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Publication number
CN101458001A
CN101458001A CNA2009100424243A CN200910042424A CN101458001A CN 101458001 A CN101458001 A CN 101458001A CN A2009100424243 A CNA2009100424243 A CN A2009100424243A CN 200910042424 A CN200910042424 A CN 200910042424A CN 101458001 A CN101458001 A CN 101458001A
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China
Prior art keywords
compressor
pipe
discharging
straight tube
energy
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CNA2009100424243A
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Inventor
刘益才
曹立宏
马卫武
张明研
宛超
辛天龙
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Changsha Zhongnan Shenghua Technology Development Co Ltd
Central South University
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Changsha Zhongnan Shenghua Technology Development Co Ltd
Central South University
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Priority to CNA2009100424243A priority Critical patent/CN101458001A/en
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Abstract

The invention provides an exhaust and pressurizing and energy saving method for a compressor and a device thereof, comprising the compressor, the exhaust and pressurizing and energy saving device of the compressor, a condenser, a dry-filter, a capillary-muffler heat exchanger and an evaporator. An output of the compressor is connected with an input end of the exhaust and pressurizing and energy saving device with a pipeline. And an output end of the exhaust energy saving device is successively connected with the condenser and the dry-filter. The dry-filter is successively connected with the refrigerating evaporator with a capillary output end of the capillary-muffler heat exchanger and then enters an input end of the compressor via the muffler. The exhaust and pressurizing and energy saving method for the compressor and the device thereof fully utilize the diffusion confusion principle of a nozzle and a diffuse pipe. Energies of outlet exhaust enthalpy difference, gas pulsation, and the like are transferred into potential energies to lower the actual exhaust pressure of the compressor without changing the systematic condensing pressure, thereby lowering the pressure ratio of a refrigerating system and lowering the comprehensive energy consumption. The exhaust and pressurizing and energy saving method for the invention has the advantages of simple structure, easy manufacturing, low cost, no moving parts, long-time operation, maintenance-free performance and indirect mechanical energy consumption and can realize the reasonable distribution of energy conducting fluid and lower the pulsation function of refrigerant in the refrigerating system.

Description

Compressor air-discharging and supercharging energy-conserving method and device
Technical field
The present invention relates to a kind of energy saver, refering in particular to is a kind of refrigerator and air-conditioning refrigeration system compressor air-discharging and supercharging energy-conserving device.
Background technology
Along with the development of society, household electrical appliance are more and more universal, and the power saving of household electric refrigerator more and more receives publicity.The output in present domestic refrigerator every year is approximately 1,000 ten thousand, and its average energy consumption is approximately the 0.75kWh/24h/ platform, so annual newly-increased energy consumption 7,500,000 degree.Therefore, the energy consumption that how further to reduce refrigerator just seems necessary, existing refrigerator is when work, compressor exists the higher phenomenon of indicated horsepower when working conditions change, thereby necessarily require compressor to be in a relatively good working order, and for present household electric refrigerator, the coefficient of performance COP value of compressor generally is not more than 2, some in addition also lower than 1.6, the quality of compressor performance is directly determining the complete machine power consumption of refrigerator, therefore, how under existing condition, utilize certain advanced technology to reduce consumption of compressor, go up from the side and improve its coefficient of performance and just seem that energy-conservation value is arranged very much.
Summary of the invention
The technical issues that need to address of the present invention: at the condensation temperature of fully closed compressor refrigeration system outlet temperature apparently higher than reality, there is significantly pressure fluctuation in its outlet simultaneously, and flowing velocity is higher in its outlet, and design a kind of power-economizing method and device that makes full use of pulsation of compressor outlet enthalpy drop, blast pipe pressure inside and flowing velocity kinetic energy, reduce the compression ratio of compressor, reduce the whole power consumption of refrigerator and air conditioner, improve the compressor air-discharging and supercharging energy-conserving device of the coefficient of refrigerating performance of refrigerator and air conditioner refrigeration system.
Operation principle of the present invention: cold-producing medium working medium is almost nil with the heat exchange of cylinder wall in cylinder, can calculate the indicated horsepower P of compressor by adiabatic process i, its computing formula is:
P i = 1.309 × 10 - 2 λ v · λ p · i · n · p s · S · D 2 · k k - 1 × ( [ ϵ ( 1 + δ 0 ) ] k - 1 k - 1 ) - - - ( 1 )
In the formula: λ vBe bulk coefficient, λ pBe pressure coefficient, i is a number of cylinders, and n is the rotating speed under the load, p sBe compressor air suction pressure, S is a piston stroke, and D is a cylinder bore, and k is an adiabatic exponent, and ε is that compressor pressure is than (compression ratio), δ 0Be average pressure loss sum in air inlet and the exhaust process.
Compressor air-discharging and supercharging energy-conserving method and device, its final diffusion effect is that the pressure at expulsion of compressor reality is reduced, and keep condensing pressure constant, and under the operating condition of refrigerator reality, the condensing pressure of refrigerator is kept definite value basically, therefore we can draw such conclusion: the compressor air-discharging and supercharging energy-conserving device makes the refrigerant pressure that comes out from compressor outlet be raised to condensing pressure, and that the another one effect is exactly the refrigerant pressure that makes to come out from exhaust outlet of compressor is low when not adding compressor air-discharging and supercharging energy-conserving method and installing, under the constant situation of compressor air suction pressure, the compression ratio of compressor will reduce with the pressure at expulsion of compressor and reduce this moment, for indicated horsepower in the formula (1), compressor air suction pressure p sConstant, the form that compressor pressure ratios ε is exponential depth reduces, and its final result can make indicated horsepower present greatly to reduce that at this moment, the energy conservation and consumption reduction effects of refrigerator and air conditioner complete machine is also more obvious.
In addition, to the jet pipe of scaling type, have according to the steady-flow energy equation formula:
q = Δh + Δ c 2 2 - - - ( 2 )
In the formula (2), q is the thermal discharge of the mobile whole process of fluid, and Δ h is the enthalpy variable quantity in the process fluid flow, and Δ c is the velocity variable in the process fluid flow.
Have according to mass-conservation equation:
dc c + df f + dp kp = 0 - - - ( 3 )
In the formula (3), c is the tube fluid flow velocity, and f is arbitrary sectional area in the pipe, and p is a fluid pressure, and k is fluid adiabatic exponent (it is a constant).
For steady flow, can get the external heat release of fluid, q<0 according to formula (2), in the whole flow process, fluid temperature (F.T.) reduces, so Δ h<0, if the tube fluid fluid interchange talk about more fully, just may exist | q|〉| the situation of Δ h| can make Δ c<0 at this moment.
For formula (3), if in the gradual shrinkage jet pipe, have df<0, and Δ c<0, so dc<0 has dp this moment〉0, the final positive effect that flows makes the nozzle exit fluid pressure increase exactly.
The technical solution adopted in the present invention: compressor air-discharging and supercharging energy-conserving method and device directly are connected between compressor exhaust pipe and the condenser inlet pipe, described compressor air-discharging and supercharging energy-conserving device is made up of the diffuser pipe of conical pipe, transition conduit and the flaring type of the gradual shrinkage of different size, also can be directly by the diffuser pipe of the conical pipe of the gradual shrinkage of different size and flaring type wherein a part or form by two parts; The base diameter of the conical pipe of described gradual shrinkage is 5~20mm, and gradual shrinkage conical pipe angular range is 2~45 °, and the outlet diameter of the conical pipe of gradual shrinkage is 1~10mm, and the outlet length of its straight-tube portion is 0~20mm; The inlet part straight tube diameter of the diffuser pipe of described flaring type is 1~10mm, and the length of straight-tube portion is 0~40mm, and the angle of flare of increaser part cone expansion pipe is 2~25 °, and the diameter of its exit portion is 5~20mm; Internal diameter of transition conduit is 2~10mm in the middle of it; The exit portion of described gradual shrinkage conical pipe is partly joined with the diffuser intake of described flaring type and is communicated with, and the middle transition pipe can directly be socketed in this part, and its two ends adopt oxygen welding, soldering or argon arc welding reliably to weld.
The material of described compressor air-discharging and supercharging energy-conserving method and device can be copper pipe, aluminum pipe, Bandaid pipe, and can use other pipeline materials in refrigeration system.
As improvement of the present invention, be welded with the welding transition pipe between the diffuser pipe of the conical pipe of described gradual shrinkage and flaring type.
As improvement of the present invention, the front end of the conical pipe of described gradual shrinkage is provided with reducing or enlarging transition straight tube.
As improvement of the present invention, the end of described compressor air-discharging and supercharging energy-conserving device outlet straight tube is provided with reducing or enlarging transition straight tube.
Among the present invention, described piping connection portion all adopts oxygen welding or soldering or argon arc welding to connect.
The present invention is owing to adopt said structure, made full use of the thermodynamics operation principle of varying-arca channel inside, adopt the compressor air-discharging and supercharging energy-conserving device, the refrigerant superheat steam that compressed machine compresses out enters the import of compressor air-discharging and supercharging energy-conserving device, the lifting that realizes refrigerant velocities in nozzle of air supply is the acceleration of cold-producing medium, outlet diffuser subsequently, realize the lifting of pressure from the cold-producing medium of nozzle of air supply ejection, the potential energy that pressure improves is from three aspects: it is that kinetic energy transforms potential energy that first refrigerant velocities reduces, and impels pressure to improve; It two is risings of cold-producing medium temperature in outlet diffuser, and the enthalpy of this part superheated steam increases the rising that also can impel back pressure; It three is the gas effects that utilize cold-producing medium to produce when compressor air-discharging exports, this device can suppress its panting action on the one hand, can also make the pulsation energy of cold-producing medium be converted into the condition that pressure raises on the other hand, realize that at last the refrigerant vapour after the supercharging directly enters condenser.
The present invention in sum---a kind of compressor air-discharging and supercharging energy-conserving method and device have simple in structure, easy to manufacture, cost is low, there is not any moving component, can long-time running, Maintenance free, directly do not consume mechanical energy, can realize carrying the advantages such as reasonable distribution of energy fluid, can connect mutually with the refrigerator system pipeline at an easy rate, be applicable to refrigerator refrigeration system, can become refrigerator refrigeration system and realize energy-conservation most important parts, also can use at the refrigerator maintenance industry, improve the refrigeration performance after refrigerator keeps in repair, thereby realize reducing refrigerator complete machine power consumption, reach purpose of energy saving.Can also have in the air-conditioning refrigeration system of analog structure with refrigerator refrigeration system simultaneously.
Description of drawings
Fig. 1 (a, b) is an operation principle schematic diagram of the present invention.
Fig. 2 is a structural representation of the present invention.
Fig. 3 is an another kind of structural representation of the present invention.
Fig. 4 is an another kind of structural representation of the present invention.
Fig. 5 is an another kind of structural representation of the present invention.
Fig. 6 is another different structure schematic diagram of the present invention.
Fig. 7 is for using the pressure-enthalpy chart of system of the present invention and theoretical circulation system contrast
Fig. 8 is for using the relation curve schematic diagram of mass of system flow of the present invention and pressure ratio
Fig. 9 is for directly being connected the present invention the schematic diagram at totally-enclosed compressor exhaust gas inside pipe place
Figure 10 is for adding air-discharging and supercharging energy-conserving device front and back model machine power consumption test value comparison diagram
In the accompanying drawing 1,2,3,4,5,6,1-compressor, 2-compressor air-discharging and supercharging energy-conserving device, 3-condenser, 4-device for drying and filtering, 5--capillary-muffler heat exchanger, 6-evaporator of refrigerator, 7-nozzle inlet, 8-jet expansion, the import of 9--diffuser, 10--flaring conical pipe, 11-nozzle of air supply, 12-tapered conical pipe, 13--outlet diffuser, 14-middle welding transition pipe, 15-diffuser straight tube, 16-enlarging transition straight tube.
The specific embodiment
Below in conjunction with accompanying drawing, describe the specific embodiment of freezer compressor air-discharging and supercharging energy-conserving method and device in detail.
Referring to Fig. 1 (a, b) shown in, a kind of compressor air-discharging and supercharging energy-conserving device, comprise compressor 1, compressor air-discharging and supercharging energy-conserving device 2, condenser 3, device for drying and filtering 4, capillary-muffler heat exchanger 5, evaporimeter 6, the output of described compressor 1 is by the run in input of gas boosting energy-saving device 2 of pipeline, and the output of air-discharging and supercharging energy-conserving device 2 connects condenser 3 successively, device for drying and filtering 4, described device for drying and filtering 4 connects evaporimeter 6 more successively by the capillary input in capillary-muffler heat exchanger 5 to its capillary output, enter the input of compressor 1 again by muffler.
Described capillary-muffler heat exchanger 4 is wrapped on the muffler by capillary and constitutes.
Referring to shown in Figure 2, described compressor air-discharging and supercharging energy-conserving device 2 comprises the conical pipe 11 of gradual shrinkage and the diffuser pipe 13 of flaring type, the conical pipe 11 of described gradual shrinkage comprises import straight tube 7, tapered conical pipe 12 and outlet straight tube 8, wherein the internal diameter of import straight tube 7 is 5~20mm, the length L 1 of import straight tube 7 is 10~80mm, the angle of taper of tapered conical pipe 12 is 2~45 °, the length L 2 of tapered conical pipe 12 is directly relevant with angle of taper, the internal diameter of outlet straight tube 8 is 1~10mm, and the outlet length L 3 of its straight-tube portion is 0~20mm; The diffuser pipe 13 of described flaring type comprises import straight tube 9, cone expansion pipe 10 and outlet straight tube 15, wherein import straight tube internal diameter is 1~10mm, the length L 4 of straight-tube portion is 0~40mm, the angle of flare of cone expansion pipe 10 is 2~25 °, the length L 5 of cone expansion pipe 10 is directly relevant with the cone expansion angle, the internal diameter of outlet straight tube 15 is 5~20mm, and the length L 6 of outlet straight tube 15 is 20~100mm; Described outlet straight tube 8 is consistent with the internal diameter of import straight tube 9, and directly communicates, and its external joint adopts oxygen welding, soldering or argon arc welding to connect sealing.
Referring to Fig. 3, as improvement of the present invention, the inlet part of described tapered conical pipe 12 adopts flared tube 16 directly to be connected with the compressor outlet pipe, and its enlarging length L 8 is 10~20mm, and its internal diameter is greater than the internal diameter of corresponding inlet straight tube 7.
Referring to Fig. 4, as improvement of the present invention, the outside transition straight tube 14 of the import straight-tube portion interface section of the outlet straight-tube portion of the conical pipe 11 of described gradual shrinkage and the diffuser pipe 13 of flaring type, internal diameter of transition conduit is 2~10mm in the middle of it.
Referring to Fig. 5, as improvement of the present invention, the import straight-tube portion of the conical pipe 11 of described gradual shrinkage adopts 16 enlarging structure, and the middle interconnecting piece of the conical pipe 11 of gradual shrinkage and the diffuser pipe 13 of flaring type divides the outside to adopt transition straight tube 14.
Referring to Fig. 6, second kind of version of described compressor air-discharging and supercharging energy-conserving device 2, comprise straight tube leading portion enlarging straight tube 17, nozzle of air supply 18, tapered conical pipe 19 and tapered conical pipe outlet transition straight tube 20, the tapering of described tapered conical pipe 19 is 2 °~17 °, and wherein the diameter of each several part and length dimension require to determine according to reality.
Referring to Fig. 7, be the system of band compressor air-discharging and supercharging energy-conserving device and the pressure-enthalpy chart of theoretical circulation system contrast, by among Fig. 7 as can be seen, 1-2-3-4-1 is the theoretical circulation process, 1-5-2-3-4-1 cyclic process for band compressor air-discharging and supercharging energy-conserving apparatus system, in the theory circulation, its systematic function coefficient COP = h 1 - h 4 h 2 - h 1 , And in the circulation of band compressor air-discharging and supercharging energy-conserving apparatus system, many one is pressurized to 5 process, consequently reduce the pressure at expulsion of compressor outlet earlier, and then make the outlet pressure at expulsion rise to condensing pressure, so the coefficient of performance of its system COP = h 5 - h 4 h 2 - h 5 , Be equivalent to reduce (h 5-h 1) this section enthalpy increases, thereby have the bigger coefficient of performance than theoretical circulation.
Referring to Fig. 8, according to the Engineering Thermodynamics operation principle, the long-pending relation in the maximum stream flow of convergent jet pipe or convergent divergent nozzle and throat section follow as shown in Figure 8 mass flow and the graph of relation of pressure ratio, the actual flow of convergent jet pipe or convergent divergent nozzle can only change by curve a-b-c, and this just relates to the problem of the long-pending minimum dimension scope in throat section.
Among the present invention, described piping connection portion all adopts oxygen welding or soldering or argon arc welding to connect.
Referring to Figure 10, use the power consumption contrast experiment test of the present invention front and back for the refrigerator model machine of certain model, its ordinate is a power consumption, unit is kWh/24h, wherein A is the power consumption before using, B has installed the later power consumption test result of the present invention, as can be seen from Figure 10, has very obvious energy-saving effect.
The present invention is described further with specific embodiment below.
Embodiment one
Referring to Fig. 5, the conical pipe 11 front end inlet part of the gradual shrinkage of described compressor air-discharging and supercharging energy-conserving device are enlarging transition straight tube 16, and its enlarging transition straight tube 16 external diameters are 6mm, and its length L 8 is generally 25mm, directly are connected with the compressor exhaust pipe outlet.It is 2.5mm that the cylindrical spout of the conical pipe 11 of gradual shrinkage exports 8 internal diameters, it is 4.0mm that cylindrical spout exports 8 external diameters, the conical pipe 11 of gradual shrinkage directly links to each other with the exhaust outlet of compressor output by enlarging transition straight tube 16, the length L 3 that conical pipe 11 cylindrical spout of gradual shrinkage export 8 parts is generally 1mm, the tapered conical pipe 12 partial-length L2 of the conical pipe 11 of gradual shrinkage are 70mm, its convergent tapering is 8 °, the length L 1 of cylindrical spout import 7 parts of the conical pipe 11 of gradual shrinkage is generally 150mm, the internal diameter of cylindrical spout import 7 parts of the conical pipe 11 of gradual shrinkage is generally 6.5mm, external diameter is 7.5mm, and the material of the conical pipe 11 of gradual shrinkage is a copper tube; The internal diameter of middle welding transition pipe 14 is 5mm, and external diameter is 6mm, and the length of middle welding transition pipe 14 is 6mm, and the material of middle welding transition pipe 14 is a copper tube; Cylindrical diffuser import 9 internal diameters of the diffuser pipe 13 of flaring type are 2.5mm, cylindrical diffuser import 9 external diameters are 4.0mm, the length L 4 of cylindrical diffuser import 9 is generally 1mm, the flaring conical pipe 10 partial-length L5 of the diffuser pipe 13 of flaring type are 30mm, its flaring tapering is 8 °, the length L 6 of the diffuser straight tube 15 of the diffuser pipe 13 of flaring type is generally 50mm, internal diameter is 6.5mm, external diameter is 7.5mm, diffuser straight tube 15 is connected with the condenser input, and the material of the diffuser pipe 13 of flaring type is a copper tube; All pipe joints all adopt oxygen welding to connect.
Embodiment two
Referring to Fig. 6, described compressor air-discharging and supercharging energy-conserving device 2 another version, its nozzle of air supply 18 front end inlet part are enlarging transition straight tube 17, its enlarging transition straight tube 17 external diameters are 6mm, its length L 9 is generally 25mm, directly is connected with the compressor exhaust pipe outlet.The cylindrical spout outlet of nozzle of air supply 18 is connected with transition straight tube 20, its transition straight tube 20 internal diameters are 2.0mm, external diameter is 4.0mm, the interior external diameter of transition straight tube 20 is adjusted according to the capacity of compressor, the capacity that the compressor of different model is corresponding different, therefore, transition straight tube 20 internal diameter adjustable ranges are 1.8mm~4.2mm, the external diameter adjustable range is 3.8mm~6.2mm, and transition straight tube 20 partial-length L12 are 20mm.The tapered conical pipe 19 partial-length L11 of nozzle of air supply 18 are 70mm, its convergent tapering is 8 °, the length L 10 of the cylindrical spout inlet part of nozzle of air supply 18 is generally 50mm, the internal diameter of nozzle of air supply 18 cylindrical spout inlet part is generally 6.5mm, external diameter is 7.5mm, and the material of nozzle of air supply 18 is a copper tube.
Embodiment three
Referring to Fig. 9, it is 2.5mm that the cylindrical spout of the conical pipe 11 of the gradual shrinkage of described refrigerator air-discharging and supercharging energy-conserving device 2 exports 8 internal diameters, it is 4.0mm that cylindrical spout exports 8 external diameters, the length L 3 that conical pipe 11 cylindrical spout of gradual shrinkage export 8 parts is 0mm, the tapered conical pipe 12 partial-length L2 of the conical pipe 11 of gradual shrinkage are 28mm, its convergent tapering is 8 °, the length L 1 of conical pipe 11 cylindrical spout imports 7 parts of gradual shrinkage is generally 150mm, the internal diameter of conical pipe 11 cylindrical spout imports 7 parts of gradual shrinkage is generally 5mm, and the material of the conical pipe 11 of gradual shrinkage is a copper tube; The internal diameter of middle welding transition pipe 14 is 4mm, and external diameter is 5mm, and the length of middle welding transition pipe 14 is 3mm, and the material of middle welding transition pipe 14 is a copper tube; Cylindrical diffuser import 9 internal diameters of the diffuser pipe 13 of flaring type are 2.5mm, cylindrical diffuser import 9 external diameters are 4.0mm, the length L 4 of cylindrical diffuser import 9 is 0mm, the flaring conical pipe 10 partial-length L5 of the diffuser pipe 13 of flaring type are 8mm, its flaring tapering is 27 °, and the length L 6 of the diffuser straight tube 15 of the diffuser pipe 13 of flaring type is 50mm, and internal diameter is 4mm, external diameter is 5mm, and the material of the diffuser pipe 13 of flaring type is a copper tube; Compressor air-discharging and supercharging energy-conserving device 2 inputs directly are connected near the outlet straight line portion with compressor inner casing blast pipe 23, air-discharging and supercharging energy-conserving device 2 output termination compressor inner casing blast pipes 23 end portion, and then be connected with compressor externally connected exhaust pipe 24,22 is the compressor case part among Fig. 9,25 is the compressor inner casing part every other parts except that blast pipe, and the 2 all pipe joints of inner casing blast pipe 23 and compressor air-discharging and supercharging energy-conserving device all adopt oxygen welding to be connected.
Range of application of the present invention is not limited only in the refrigerator cooling cycle system, air-discharging and supercharging energy-conserving method and device as a kind of compressor, similarly have the system of compressor for domestic air conditioning and other, also can design the compressor air-discharging and supercharging energy-conserving device that is complementary with original refrigeration system with same energy-saving effect.

Claims (8)

1, a kind of compressor air-discharging and supercharging energy-conserving method and device, comprise compressor (1), compressor air-discharging and supercharging energy-conserving device (2), condenser (3), device for drying and filtering (4), capillary-muffler heat exchanger (5), evaporimeter (6), it is characterized in that: the output of described compressor (1) is by the run in input of gas boosting energy-saving device (2) of pipeline, and the output of air-discharging and supercharging energy-conserving device (2) connects condenser (3) successively, device for drying and filtering (4), described device for drying and filtering (4) connects evaporimeter (6) more successively by the capillary input in capillary-muffler heat exchanger (5) to its capillary output, enter the input of compressor (1) again by muffler.
2, compressor air-discharging and supercharging energy-conserving method according to claim 1 and device, it is characterized in that: described compressor air-discharging and supercharging energy-conserving method is made up of the diffuser pipe (13) of conical pipe (11), transition conduit (14) and the flaring type of the gradual shrinkage of different size with device, also can be directly be made up of the conical pipe (11) of the gradual shrinkage of different size and diffuser pipe (a 13) part and two parts wherein of flaring type.
3, compressor air-discharging and supercharging energy-conserving method according to claim 2 and device, it is characterized in that: the conical pipe of described gradual shrinkage (11) comprises import straight tube (7), tapered conical pipe (12) and outlet straight tube (8), wherein the internal diameter of import straight tube (7) is 5~20mm, the length L 1 of import straight tube (7) is 10~80mm, the angle of taper of tapered conical pipe (12) is 2~45 °, the length L 2 of tapered conical pipe (12) is directly relevant with angle of taper, the internal diameter of outlet straight tube (8) is 1~10mm, and the outlet length L 3 of its straight-tube portion is 0~20mm.
4, compressor air-discharging and supercharging energy-conserving method according to claim 2 and device, it is characterized in that: the diffuser pipe of described flaring type (13) comprises import straight tube (9), cone expansion pipe (10) and outlet straight tube (15), wherein import straight tube internal diameter is 1~10mm, the length L 4 of straight-tube portion is 0~40mm, the angle of flare of cone expansion pipe (10) is 2~25 °, the length L 5 of cone expansion pipe (10) is directly relevant with the cone expansion angle, the internal diameter of outlet straight tube (15) is 5~20mm, and the length L 6 of outlet straight tube (15) is 20~100mm.
5, compressor air-discharging and supercharging energy-conserving method according to claim 2 and device, it is characterized in that: the outlet straight tube (8) of described gradual shrinkage conical pipe (11) is consistent with diffuser pipe (13) import straight tube (9) internal diameter of flaring type, the connection of joining, middle transition pipe (14) can directly be socketed in this part, and its external joint adopts oxygen welding, soldering or the reliable welding of argon fluorine weldering.
6, compressor air-discharging and supercharging energy-conserving method according to claim 2 and device, it is characterized in that: the material of described compressor air-discharging and supercharging energy-conserving method and device can be copper pipe, aluminum pipe, Bandaid pipe, and can use other pipeline materials in refrigeration system.
7, compressor air-discharging and supercharging energy-conserving method according to claim 2 and device, it is characterized in that: described compressor air-discharging and supercharging energy-conserving device can directly be placed on hermetically sealed refrigerating compressor unit inside, with the directly welding mutually of outlet of the blast pipe of refrigeration compressor, the outlet of compressor air-discharging and supercharging energy-conserving device is welded mutually with blast pipe on the Totally-enclosed refrigerant compressor housing.
8, compressor air-discharging and supercharging energy-conserving method according to claim 1 and device is characterized in that: described piping connection portion all adopts oxygen welding or soldering or the weldering of argon fluorine to connect.
CNA2009100424243A 2009-01-06 2009-01-06 Compressor air-discharging and supercharging energy-conserving method and apparatus Pending CN101458001A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
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CN102109823A (en) * 2010-12-13 2011-06-29 北京三博中自科技有限公司 Modeling method and system for calculating energy efficiency of motor driven fluid transportation equipment
CN102434431A (en) * 2011-11-05 2012-05-02 王福乃 Energy-saving exhaust machine
CN105004107A (en) * 2015-07-24 2015-10-28 合肥美的电冰箱有限公司 Air return pipe of refrigerator
CN108800681A (en) * 2017-04-28 2018-11-13 浙江三花智能控制股份有限公司 Refrigerator refrigeration system
CN108800680A (en) * 2017-04-28 2018-11-13 浙江三花智能控制股份有限公司 Refrigerator refrigeration system
CN109489285A (en) * 2018-11-22 2019-03-19 青岛海尔空调电子有限公司 Air conditioner
CN109822267A (en) * 2019-03-28 2019-05-31 南昌大学 One kind is passed through for cylinder and circular cone hands over welding robot device
CN110953026A (en) * 2018-11-22 2020-04-03 李华玉 Combined cycle power plant
CN110985148A (en) * 2018-11-18 2020-04-10 李华玉 Combined cycle power plant

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102109823A (en) * 2010-12-13 2011-06-29 北京三博中自科技有限公司 Modeling method and system for calculating energy efficiency of motor driven fluid transportation equipment
CN102109823B (en) * 2010-12-13 2013-06-26 北京三博中自科技有限公司 Modeling method and system for calculating energy efficiency of motor driven fluid transportation equipment
CN102434431A (en) * 2011-11-05 2012-05-02 王福乃 Energy-saving exhaust machine
CN102434431B (en) * 2011-11-05 2015-04-08 王福乃 Energy-saving exhaust machine
CN105004107A (en) * 2015-07-24 2015-10-28 合肥美的电冰箱有限公司 Air return pipe of refrigerator
CN108800681A (en) * 2017-04-28 2018-11-13 浙江三花智能控制股份有限公司 Refrigerator refrigeration system
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