CN104179729A - Full-automatic efficient oligodynamic energy-saving and environment-friendly vacuum system - Google Patents
Full-automatic efficient oligodynamic energy-saving and environment-friendly vacuum system Download PDFInfo
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- CN104179729A CN104179729A CN201410389989.XA CN201410389989A CN104179729A CN 104179729 A CN104179729 A CN 104179729A CN 201410389989 A CN201410389989 A CN 201410389989A CN 104179729 A CN104179729 A CN 104179729A
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Abstract
The invention relates to a full-automatic efficient oligodynamic energy-saving and environment-friendly vacuum system and solves the technical problems that a conventional vacuum system is poor in stability, high in use and maintenance costs and short in service life, has difficulty in maintaining relatively high vacuum degree and wastes water and power resources. The full-automatic efficient oligodynamic energy-saving and environment-friendly vacuum system comprises a vacuum generator, wherein the vacuum generator comprises a housing; a power source inlet is formed in the upper part of the housing; an air inlet is formed in the lower part of the housing; a power source accommodating chamber and a mixing chamber between which a partition board is arranged are formed in the housing and communicated through a tubular vacuum flow regulator connected to the partition board; the power source inlet is communicated with the power source accommodating chamber; the air inlet is communicated with the mixing chamber; a tubular diffuser of which the upper end is communicated with the mixing chamber and the lower end is provided with a mixed solution exhaust opening is connected to the bottom of the housing. The full-automatic efficient oligodynamic energy-saving and environment-friendly vacuum system can be extensively used in the technical field of vacuum pumping.
Description
Technical field
The present invention relates to a kind of vacuum system, is a kind of full automatic high efficiency miniature power energy-conserving and environment-protective vacuum system specifically, belongs to domestic and international high-end super sized type vacuum complete sets of equipment.
Background technique
Vacuum technique is in national defence, military, scientific research, oil, chemical industry, machinery, mine, light industry, papermaking, power, metallurgical, the agriculturals such as medicine and food, in many manufacturing processs of industry and municipal sector, as vacuum filtration, vacuum feeding, vacuum outgas, vacuum conditioning, reduction vaporization, negative pressure concentrates and crystallization, distillation, distillation, dry, dehydration, the aspects such as chemical reaction absorption are widely used, particularly in national defence wind tunnel test, iron and steel, oil, petrochemical industry, large-scale vacuum pressure swing adsorption hydrogen production and oxygen in chemical industry, embrane method oxygen, gas discharge in mine and conveying, shale oil-gas mining, the major fields such as conveying and deep processing are widely applied.In various course of working, apply vacuum technique, not only can save energy and reduce the cost, fast reaction speed, and can improve the quality of products, increase economic benefit.
The development of modern industry has proposed more and more higher requirement to this technology especially.The vacuum system developing up to now still need be carried out work by the power equipment of the consume electric power such as vacuum pump or mechanical pump, with the foreign gas in remover apparatus, completes acting.
Existing vacuum system mainly adopts intake manifold's vacuum setting type, one group of vacuum pump composes in parallel a pumping plant, each vacuum dehydration unit is connected by pipeline and valve and the vacuum pump house steward that bleeds, by the size of controlling opening of valve, reach and control the rate of air sucked in required of vacuum dehydration unit and the object of degree of vacuum.Yet there is following technological deficiency in this vacuum system:
(1) owing to adopting the materials such as the aqueous solution as condensation absorbing medium, direct mixing condensing cooling, the water circulation vacuum pump that required power is larger, steam jet vaccum or turbine vacuum pump equal vacuum equipment just can meet job requirement, cause cost higher, cause water resources and electric power resource to consume huge;
(2) existing vacuum system is in production application process, gas enters into jet pump from reactor, the materials such as the fiber of carrying secretly and particle are just through being everlasting gas phase line clogging, air-water separation ability declines, affect the long-term stability operation of whole vacuum system, cause the deficiency of bleeding, degree of vacuum obviously to fluctuate, have a strong impact on throughput and quality of product; If stopped up in the time of seriously cannot dredging online, the maintenance of can only being forced to stop production, dredging gas phase pipeline, will cause heavy economic losses to enterprise;
(3) equipment noise is large during existing vacuum system manufacturing operation, running up causes attrition between component of machine to strengthen, easily produce emulsification of lubricant, device security coefficient reduces, if run into suddenly power failure, cut off the water, while stopping vapour, higher degree of vacuum is hard to keep, easily there is the even explosive accident of " cavitation " phenomenon, seriously shortened the working life of vacuum system, increased regular maintenance expense, limited the use occasion of vacuum system, in addition surpass the noise pollution of 90 decibels, also grievous injury operator's physical and mental health;
(4) connection of the vacuum valve of existing vacuum system, joint and pipeline adopts flange plate and rubber seal to be connected and sealed mostly, the seal ring of joint easily damages, once damaging, the seal ring of certain joint causes seepage, by degree of vacuum and the deflation rate of the relevant critical piece of vacuum system are declined, when serious, can cause whole vacuum system normally to work;
(5) existing vacuum system, owing to there is no man-machine control interface, also needs to be equipped with special messenger and is responsible for system regulation and regular maintenance, and automaticity is low, cost is high.
Summary of the invention
The present invention is exactly in order to solve existing vacuum system poor stability, be difficult to keep higher vacuum, user cost is high, maintenance cost is high, the life-span is short, the technical problem of waste water resource and electric power resource, provide a kind of without by power equipment, stability is strong, degree of vacuum is high, user cost is low, maintenance cost is low, the life-span is long, the full automatic high efficiency miniature power energy-conserving and environment-protective vacuum system of energy-conserving and environment-protective.
Technological scheme of the present invention is, a kind of full automatic high efficiency miniature power energy-conserving and environment-protective vacuum system is provided, comprise vacuum generator, vacuum generator comprises housing, the top of housing is provided with power source entrance, the bottom of housing is provided with suction port, in housing, be provided with power source accommodating chamber and mixing chamber, between power source accommodating chamber and mixing chamber, be provided with dividing plate, between power source accommodating chamber and mixing chamber, by the tubulose vacuum flow regulator being connected on dividing plate, be communicated with, power source entrance is communicated with power source accommodating chamber, suction port is communicated with mixing chamber, the bottom of housing is connected with tubulose Diffuser, the upper end of tubulose Diffuser is communicated with mixing chamber, the lower end of tubulose Diffuser is provided with mixed solution exhaust port.
Preferably, the cross-section area of tubulose vacuum flow regulator first shrinks expansion gradually from top to bottom gradually again, and the cross-section area of tubulose Diffuser first shrinks expansion gradually from top to bottom gradually again.
Preferably, tubulose vacuum flow regulator is provided with expansion and constriction, between the expansion of tubulose vacuum flow regulator and the constriction of tubulose vacuum flow regulator, is neck, and the expansion of tubulose vacuum flow regulator is provided with under shed; The length of the expansion of tubulose vacuum flow regulator is 3:5 with the ratio of the entire length of tubulose vacuum flow regulator, and the diameter ratio of the under shed of the expansion of the diameter of the neck of tubulose vacuum flow regulator and tubulose vacuum flow regulator is 1:2;
Tubulose Diffuser is provided with expansion and constriction, it between the constriction of the expansion of tubulose Diffuser and tubulose Diffuser, is neck, mixed solution exhaust port is located at the underpart of the expansion of tubulose Diffuser, the length of the expansion of tubulose Diffuser is 3:5 with the ratio of the entire length of tubulose Diffuser, and the diameter ratio of the diameter of the neck of tubulose Diffuser and mixed solution exhaust port is 3:4.
Preferably, vacuum system also comprises vacuum voltage regulation tank, vacuum voltage regulation tank comprises tank body, tank base is connected with level control valve, tank body top is connected with vacuum-flow adjustable valve, and tank body middle part is provided with liquid level sensor, and tank body both sides are provided with suction port and relief opening, the relief opening of vacuum voltage regulation tank is provided with flow transducer, and vacuum-flow adjustable valve is provided with pressure transducer; The relief opening of vacuum voltage regulation tank is connected with the suction port of vacuum generator.
Preferably, vacuum system also comprises taper eddy flow baffle plate formula gas-liquid separator, taper eddy flow baffle plate formula gas-liquid separator comprises cylindrical shell, the both sides, top of cylindrical shell are provided with suction port and relief opening, the bottom of cylindrical shell is provided with switch valve, on the inwall of cylindrical shell, be connected with and cut streaming tornadotron and up big and down small conical sleeve, up big and down small conical sleeve is positioned at the outside of cutting streaming tornadotron; Cut streaming tornadotron and comprise circular casing, circular casing is connected with the inwall of cylindrical shell by swash plate, and the outside of circular casing is connected with multi-disc rotation blade, and circular casing upper end is provided with relief opening, and circular casing lower end is provided with suction port; Up big and down small conical sleeve is positioned at the below of the suction port on cylindrical shell, and the space forming between up big and down small conical sleeve and circular casing dwindles from top to bottom gradually; In cylindrical shell, be provided with baffle plate, baffle plate is positioned at the below of cutting streaming tornadotron; The relief opening of taper eddy flow baffle plate formula gas-liquid separator is connected with the suction port of vacuum voltage regulation tank.
Preferably, vacuum system also comprises heat recoverer, heat recoverer comprises heat recoverer housing, feed liquor bobbin carriage and discharge opeing bobbin carriage, between feed liquor bobbin carriage and heat recoverer housing by cut apart stream plate and be connected, between discharge opeing bobbin carriage and heat recoverer housing by under cut apart stream plate and be connected, on cut apart stream plate be provided with liquid entering hole, under cut apart stream plate be provided with liquid outlet and residual liquid exhaust port; Feed liquor bobbin carriage is provided with liquid entering hole, and discharge opeing bobbin carriage is provided with liquid port, and the bottom of discharge opeing bobbin carriage is provided with automatic switch valve; The bottom of heat recoverer housing is provided with suction port, and top is provided with relief opening; The suction port place of heat recoverer lower housing portion is provided with impingement baffle; The inner chamber of heat recoverer housing is provided with a plurality of heat exchanger pipe bundles from top to bottom, a plurality of heat exchanger pipe bundles be connected in cut apart flow plate liquid entering hole and under cut apart between the liquid outlet that flows plate; The relief opening of heat recoverer is connected with the suction port of taper eddy flow baffle plate formula gas-liquid separator.On heat recoverer, cut apart stream plate and under cut apart stream and be provided with longitudinal baffle between plate, the inwall of heat recoverer housing is connected with tube pass partition.
Preferably, vacuum system also comprises PLC controller and touching display screen, and touching display screen is connected with PLC controller; Pressure transducer on flow transducer on vacuum voltage regulation tank relief opening, the vacuum-flow adjustable valve of vacuum voltage regulation tank and the liquid level sensor of vacuum voltage regulation tank are connected with PLC controller respectively, and the switch valve of taper eddy flow baffle plate formula gas-liquid separator is connected with PLC controller; The level control valve of vacuum voltage regulation tank, vacuum-flow adjustable valve are connected with PLC controller respectively.
The invention has the beneficial effects as follows:
(1) without independent power equipment, can be by the fluid dynamic energy (as: circulating water, steam, flue gas etc.) of existing pressure >=0.1MPa under actual conditions as power source, significantly reduced cost of production, water resources and electric power resource have been saved, energy-conserving and environment-protective, but also improved Security.
(2) applicable situation is extensive, can aspirate condensable gas (be condensed in water or meet the gas that condensation is tied), poisonous, corrosive fluid, dust, particulate material, and all can normally use in inflammable and explosive occasion, cavitation phenomenons occasion and non-transformer occasion.
(3) degree of vacuum can reach the limiting vacuum of 0～-0.95MPa, and the speed of exhaust reaches 10800m
3more than/min, vacuum state is reliable and stable.
(4) system adopts the indirect condensing type of cooling (water-cooled or air cooling) to replace existing direct mixing condensing cooling, and pollution-free, energy-saving effect is remarkable, has guaranteed the stability of degree of vacuum, makes the normal state of system in " breathing heavily ".
(5) energy-saving effect is up to more than 95%, especially in high vacuum (9.5KPa) special industry, such as: the fields such as national defence, military affairs, metallurgy, papermaking, chemical industry have higher use value.
(6) operation maintenance convenience and cost are low, machinery-free moving element, lossless, high-performance, high reliability, high rate of air sucked in required, long lifetime, operation is reliable, one-time investment is few, maintaining frequency is low, has effectively solved the problems such as operating noise is large, emulsification of lubricant, rate of fault height.
(7) automaticity is high, uses man-machine interface automation control system, adopts PLC Programmable Technology, can realize Automatic Control, and day-to-day operation is easy to maintenance, has saved a large amount of human and material resources and financial resources.
The correlated characteristic of critical piece of the present invention, by being described in detail in the embodiment below with reference to accompanying drawing, is clearly recorded.
Accompanying drawing explanation
Fig. 1 is structural principle block diagram of the present invention;
Fig. 2 is the structural representation of heat recoverer;
Fig. 3 is the structural representation of taper eddy flow baffle plate formula gas-liquid separator;
Fig. 4 is the structural representation of vacuum voltage regulation tank;
Fig. 5 is the structural representation of vacuum generator;
Fig. 6 is the dimensioned drawing of vacuum flow regulator;
Fig. 7 is the dimensioned drawing of Diffuser;
Fig. 8 is the annexation block diagram of PLC controller system and each critical piece.
Symbol description in figure:
1. heat recoverer; 2. taper eddy flow baffle plate formula gas-liquid separator; 3. vacuum voltage regulation tank; 4. vacuum generator; 5.PLC controller; 6. power pipe; 7. vacuum tube; 9. heat recoverer housing; 10. feed liquor bobbin carriage; 11. discharge opeing bobbin carriages; 12. liquid entering holes; 13. liquid ports; 14. automatic switch valves; 15. suction ports; 16. relief openings; On 17., cut apart stream plate; Cut apart stream plate 18. times; 19. impingement baffles; 20. heat exchanger pipe bundles; 21. longitudinal baffles; 22. tube pass partitions; 23. cylindrical shells; 24. suction ports; 25. relief openings; 26. switch valves; 27. rotation blades; 28. tank bodies; 29. bearings; 30. level control valves; 31. vacuum-flow adjustable valves; 32. liquid level sensors; 33. suction ports; 34. relief openings; 35. housings; 36. power source entrances; 37. suction ports; 38. mixing chambers; 39. vacuum flow regulators; 40. Diffusers; 41. mixed solution exhaust ports; 42. dividing plates; 43. power source accommodating chambers; 44. touching display screens; Flow transducer on 45. vacuum voltage regulation tank relief openings; Pressure transducer on the vacuum-flow adjustable valve of 46. vacuum voltage regulation tanks; 47. up big and down small conical sleeves; 48. circular casings; 49. swash plates; 50. baffle plates; 51. by-pass dampers.
Embodiment
Referring to accompanying drawing, with specific embodiment, the present invention is described in further detail.
As shown in Figure 1, vacuum tube 7 is connected with heat recoverer 1, and taper eddy flow baffle plate formula gas-liquid separator 2 is connected with heat recoverer 1, and vacuum voltage regulation tank 3 is connected with taper eddy flow baffle plate formula gas-liquid separator 2, and vacuum generator 4 is connected with vacuum voltage regulation tank 3.
Under actual conditions, the working fluid of the equipment that need to be evacuated (such as steam) medium flows into heat recoverer 1 by vacuum tube 7 and is cooled, flow into again taper eddy flow baffle plate formula gas-liquid separator 2 and process through impurity and purification, then by vacuum voltage regulation tank 3, flow into vacuum generator 4 and carry out continuous suction process.
As shown in Figure 2, heat recoverer 1 comprises heat recoverer housing 9, feed liquor bobbin carriage 10 and discharge opeing bobbin carriage 11, between feed liquor bobbin carriage 10 and heat recoverer housing 9 by cut apart stream plate 17 and be connected, between discharge opeing bobbin carriage 11 and heat recoverer housing 9 by under cut apart that stream plate 18 is connected, on cut apart stream plate 17 be provided with liquid entering hole, under cut apart stream plate 18 be provided with liquid outlet, under cut apart stream plate 18 be also provided with residual liquid exhaust port.Feed liquor bobbin carriage 10 is provided with liquid entering hole 12, and discharge opeing bobbin carriage 11 is provided with liquid port 13, and the bottom of discharge opeing bobbin carriage 11 is provided with automatic switch valve 14.The bottom of heat recoverer housing 9 is provided with suction port 15, and top is provided with relief opening 16, and impingement baffle 19 is arranged on and in heat recoverer housing 9, is positioned at suction port 15 places.Heat recoverer housing 9 inner chambers are provided with a plurality of heat exchanger pipe bundles 20 from top to bottom, heat exchanger pipe bundle 20 be connected in cut apart flow plate 17 liquid entering hole and under cut apart between the liquid outlet that flows plate 18, that is to say between feed liquor bobbin carriage 10 and discharge opeing bobbin carriage 11 and be communicated with by heat exchanger pipe bundle 20.
On cut apart stream plate 17 and under cut apart stream and be provided with the left side that a longitudinal baffle 21 and 51, two by-pass dampers 51 of four by-pass dampers are positioned at longitudinal baffle 21 between plate 18, two by-pass dampers 51 are positioned at the right side of longitudinal baffle 21.Longitudinal baffle 21 and by-pass damper 51 can be divided into many groups a plurality of heat exchanger pipe bundles 20.The inwall of heat recoverer housing 9 is connected with a plurality of tube pass partitions 22 (drawing 4 in figure).The object that longitudinal baffle 21, by-pass damper 51 and tube pass partition 22 are set is in order to improve heat exchange efficiency.It should be noted that, longitudinal baffle 21 can arrange a plurality of, and by-pass damper 51 also can arrange a plurality of.
During work, the working fluid of vacuum tube 7 (such as steam) medium enters into the inner chamber of heat recoverer housing 9 from suction port 15, then rises and discharges from relief opening 16.Liquid medium, in liquid entering hole 12 enters feed liquor bobbin carriage 10, flow into downwards in discharge opeing bobbin carriage 11 along heat exchanger pipe bundle 20 simultaneously, finally from liquid port 13, discharges.In this process, liquid medium and working fluid carry out heat exchange, and the heat of working fluid is absorbed by liquid medium, and the temperature of the working fluid of discharging from gas port 16 has just reduced.Owing to there being unavoidably the liquid such as moisture the working fluid entering from suction port 15, these moisture can be cut apart from down the residual liquid exhaust port that flows plate 18 and enter in discharge opeing bobbin carriage 11, then from automatic switch valve 14, discharge.
By-pass damper 51 can increase bypass resistance, prevents that gas medium in heat recoverer housing 9 is from a large amount of short circuits of bypass, thereby improves heat transfer efficiency.
Impingement baffle 19 is set is heat exchanging when preventing that gas medium from entering from suction port 15 and restrain directly washing away of 20 surfaces, avoid heat exchanger pipe bundle 20 be etched and vibrate.
This heat recoverer 1 is integrated, compact structure, and movement-less part, safe and reliable to operation, energy-efficient, thermal loss is little, and the heat transfer area that per unit volume equipment can provide is large, energy recovery efficiency is up to 70%-80%, and bypass leakage current is less, there is no interior leakage phenomenon.
As shown in Figure 3, taper eddy flow baffle plate formula gas-liquid separator 2 comprises cylindrical shell 23, and the both sides, top of cylindrical shell 23 are provided with suction port 24 and relief opening 25, and the bottom of cylindrical shell 23 is provided with switch valve 26.On the inwall of cylindrical shell 23, be provided with and cut streaming tornadotron, cut streaming tornadotron and comprise circular casing 48, circular casing 48 is connected with the inwall of cylindrical shell 23 by swash plate 49, multi-disc rotation blade 27 (such as shown in figure 4) be arranged on the outside of circular casing 48.Circular casing 48 upper ends are provided with relief opening, and lower end is provided with suction port, and the relief opening of circular casing 48 upper ends is communicated with the relief opening 25 on cylindrical shell 23.Up big and down small conical sleeve 47 (upper conical mouthful large, and inferior pyramidal is young) is arranged on the inwall of cylindrical shell 23, is positioned at the below of suction port 24, and the space forming between up big and down small conical sleeve 47 and circular casing 48 dwindles from top to bottom gradually.Be positioned at the below of cutting streaming tornadotron and be provided with baffle plate 50, the effect of baffle plate 50 is that barrier gas medium flows to container bottom, better separating liquid medium.
During work, suction port 24 is connected with the relief opening 16 of heat recoverer 1, in cylindrical shell 23 inner chambers that the flowing medium of discharging through heat recoverer 1 (comprise steam or pressurized air are carrying the materials such as large quantity of moisture, fiber and particle secretly) enters.In the space that the flowing medium of the materials such as the moisture of carrying secretly, fiber and particle forms under the effect of rotation blade 27 between up big and down small conical sleeve 47 and circular casing 48, do the centrifugal inclined motion that dips down, through reduction of speed, centrifugal, collision, break-in, the centrifugation of cohesion Pyatyi, due to Speed Reduction, the materials such as moisture, fiber and particle are separated, the gas of dry cleansing just enters rising then from the relief opening discharge of upper end from the suction port of circular casing 48 lower ends, finally from relief opening 25, discharges.The materials such as separated moisture, fiber and particle are flowed through while being located at the sensor of cylindrical shell 23 intracavity bottoms (this sensor is electrically connected to PLC controller), this sensor by signal feed back to PLC controller, thereby impel PLC controller to send the open degree of instruction control switch valve 26, discharge separator, the gas of dry cleansing is discharged from relief opening 25, finally reaches the purifying effect of gas-liquid separation.Switch valve 26 can be selected the solenoid valve in known technology, to realize intelligent effect.
Taper eddy flow baffle plate formula gas-liquid separator 2 is lower at fluid medium pressure, working condition requirement system pressure is especially applicable little in the situation that, such as the filtration to methane gas, because its pressure is conventionally not high, existing single centrifugal or baffle separator can not meet the requirements for the treatment of effect.
As shown in Figure 4, vacuum voltage regulation tank 3 comprises tank body 28, is connected with bearing 29 on tank body 28, tank body 28 bottoms are connected with level control valve 30, tank body 28 tops are connected with vacuum-flow adjustable valve 31, and tank body 28 middle parts are provided with liquid level sensor 32, and tank body 28 both sides are provided with suction port 33 and relief opening 34.On relief opening 34, flow transducer can be installed, can setting pressure sensor on vacuum-flow adjustable valve 31.The undocumented structure of vacuum voltage regulation tank 3 is used known technology.
Flow transducer is mainly used for measuring flow and the flow velocity that enters gas in vacuum voltage regulation tank 3, and pressure transducer is mainly that liquid level sensor 32 is mainly for measuring the height of vacuum voltage regulation tank middle water level for measuring the pressure size in vacuum voltage regulation tank.Vacuum-flow adjustable valve 31 is mainly used for regulating the speed of exhaust size of turnover vacuum voltage regulation tank, and level control valve 30 is mainly used for draining the ponding in tank.Tank body 28 is cylindrical shape, and bearing 29 is for installing this equipment.Upper lower seal head (be positioned at top and the bottom of tank body 28, adopt known technology) adopts the ellipse head pattern of standard.
During work, suction port 33 is connected with the relief opening 25 of taper eddy flow baffle plate formula gas-liquid separator 2, a large amount of flowing mediums of discharging through taper eddy flow baffle plate formula gas-liquid separator 2 are input to after the inner chamber of tank body 28, cause gas flow in tank constantly to increase, internal negative pressure constantly increases, and vacuum magnitude is responsible for control by vacuum-flow adjustable valve 31.In course of conveying, a small amount of moisture also enters in tank thereupon, is deposited on intracavity bottom.When liquid level reaches restriction index, liquid level sensor reaches PLC controller by signal, and PLC controller sends instruction to level control valve 30, and level control valve 30 is opened, and discharges ponding.Simultaneously, pressure transducer on vacuum-flow adjustable valve 31 is passed to PLC controller by pressure signal, vacuum-flow adjustable valve 31 regulates the size of the speed of exhaust under the control of PLC controller, thereby guarantee when whole vacuum system is normally worked the stable of degree of vacuum and gas flow in vacuum voltage regulation tank 3, reach energy-efficient effect.
When vacuum voltage regulation tank 3 can be alleviated whole vacuum system work greatly, due to the air inflow of vacuum tube 7, change at any time the fluctuation of the vacuum system degree of vacuum causing, make a more stable degree of vacuum of maintenance in system.
As shown in Figure 5, vacuum generator 4 comprises housing 35, and the top of housing 35 is provided with power source entrance 36, and the bottom of housing 35 is provided with suction port 37.The dividing plate 42 that the inner chamber of housing 35 is installed on its inwall is divided into power source accommodating chamber 43 and mixing chamber 38, between power source accommodating chamber 43 and mixing chamber 38, by being connected to tubulose vacuum flow regulator on dividing plate 42 39, be communicated with that (39 upper sheds of tubulose vacuum flow regulator are communicated with power source accommodating chamber 43, under shed is communicated with mixing chamber 38), power source entrance 36 is communicated with power source accommodating chamber 43, and suction port 37 is communicated with mixing chamber 38.The bottom of housing 35 is connected with tubulose Diffuser 40, and the upper end open of Diffuser 40 is communicated with mixing chamber 38, and the lower end of Diffuser 40 is provided with mixed solution exhaust port 41.
The cross-section area of vacuum flow regulator 39 from top to bottom (from upper shed under shed) first shrinks expansion gradually gradually again, and the cross-section area of Diffuser 40 first shrinks expansion gradually from top to bottom gradually again.
Shown in Fig. 6 and Fig. 7, for further Optimal performance, through great many of experiments, draw following scheme, vacuum flow regulator 39 is provided with expansion and constriction, is neck between expansion and constriction, the entire length of vacuum flow regulator 39 is d, the length of expansion is c, and the diameter of the under shed of vacuum flow regulator 39 is b, and recess diameter is a, a:b=1:2, c:d=3:5.
Diffuser 40 is provided with expansion and constriction, is neck between expansion and constriction, and mixed solution exhaust port 41 is located at the underpart of expansion.The entire length of Diffuser 40 is h, and the length of expansion is n, and the diameter of mixed solution exhaust port 41 is f, and recess diameter is e, n:h=3:5, e:f=3:4.
Vacuum flow regulator 39 is mainly used for automatically regulating degree of vacuum and the speed of exhaust size of turnover vacuum generator 4, guarantees the precise and stable operation of equipment.Diffuser 40 is to be mainly pressure energy by the kinetic transformation of mixed medium in mixing chamber 38, makes Speed Reduction, a kind of device that pressure improves.
The working procedure of vacuum generator 4 is, the relief opening 34 of vacuum voltage regulation tank 3 is connected with suction port 37, and the working fluid medium that has certain pressure intensity of discharging from the relief opening 34 of vacuum voltage regulation tank 3 flows to mixing chamber 38 from suction port 37.At least the circulating water of 0.1MPa pressure (power source) enters power source accommodating chamber 43 from power source inlet 36, circulating water in power source accommodating chamber 43 is ejected in mixing chamber 38 by vacuum flow regulator 39 decompressing speed-increasings (potential energy of flowing medium changes kinetic energy into), then mix with the circulating water in mixing chamber 38, carry out energy interchange, mixed flowing medium enters Diffuser 40, deceleration supercharging (kinetic transformation is pressure energy), mixed solution exhaust port 41 at Diffuser 40 goes out interruption-forming jet, and generation is entrainmented mobile.Under the effect of entrainmenting, mixed solution exhaust port 41 ambient airs of Diffuser 40 are constantly sucked away, cause Pressure Drop in mixing chamber 38 to barometric pressure, impel limiting vacuum and the 10800m of 0 stable～-0.95MPa of the interior formation of mixing chamber 38
3the speed of exhaust more than/min, so just makes and the degree of vacuum that reaches 0～-0.95MPa being evacuated in the vacuum tube 7 of equipment connection.Can be by regulating vacuum flow regulator 39 to control the speed of exhaust size of turnover vacuum generator (by regulating the enlargement and contraction effect of vacuum flow regulator, reaching the effect of controlling vacuum generator speed of exhaust size).
It should be noted that, vacuum tube 7 can directly be connected with the suction port 37 of vacuum generator 4, save heat recoverer 1, taper eddy flow baffle plate formula gas-liquid separator 2 and vacuum voltage regulation tank 3, also can reach and not use power equipment to vacuumize, realize the object of limiting vacuum.
As shown in Figure 8, for interactive touching display screen 44, be connected with PLC controller 5.Pressure transducer 46 on flow transducer 45 on vacuum voltage regulation tank relief opening, the vacuum-flow adjustable valve of vacuum voltage regulation tank is connected with PLC controller 5 and flux signal, pressure signal is passed to PLC controller 5.Switch valve 26 is connected with PLC controller 5, and level control valve 30, vacuum-flow adjustable valve 31 are connected with PLC controller 5 respectively.Liquid level sensor 32 is connected with PLC controller 5.
Touching display screen 44 adopts LED numeral to show and the indication of LED operation conditions, human-computer dialogue, very clear.
Under the effect of PLC controller and each sensor, realized unmanned, real-time intelligent is controlled automatically.
The foregoing is only preferred case study on implementation of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Every in claim limited range of the present invention, any modification of making, be equal to replacement, improvement etc., also should be considered as within protection scope of the present invention.
Claims (8)
1. a full automatic high efficiency miniature power energy-conserving and environment-protective vacuum system, it is characterized in that, comprise vacuum generator, described vacuum generator comprises housing, the top of described housing is provided with power source entrance, the bottom of described housing is provided with suction port, in described housing, be provided with power source accommodating chamber and mixing chamber, between described power source accommodating chamber and described mixing chamber, be provided with dividing plate, between described power source accommodating chamber and described mixing chamber, by the tubulose vacuum flow regulator being connected on described dividing plate, be communicated with, described power source entrance is communicated with described power source accommodating chamber, described suction port is communicated with described mixing chamber, the bottom of described housing is connected with tubulose Diffuser, the upper end of described tubulose Diffuser is communicated with described mixing chamber, the lower end of described tubulose Diffuser is provided with mixed solution exhaust port.
2. full automatic high efficiency miniature power energy-conserving and environment-protective vacuum system according to claim 1, it is characterized in that, the cross-section area of described tubulose vacuum flow regulator first shrinks expansion gradually from top to bottom gradually again, and the cross-section area of described tubulose Diffuser first shrinks expansion gradually from top to bottom gradually again.
3. full automatic high efficiency miniature power energy-conserving and environment-protective vacuum system according to claim 2, is characterized in that:
Described tubulose vacuum flow regulator is provided with expansion and constriction, between the constriction of the expansion of described tubulose vacuum flow regulator and described tubulose vacuum flow regulator, be neck, the expansion of described tubulose vacuum flow regulator is provided with under shed; The length of the expansion of described tubulose vacuum flow regulator is 3:5 with the ratio of the entire length of described tubulose vacuum flow regulator, and the diameter ratio of the under shed of the expansion of the diameter of the neck of described tubulose vacuum flow regulator and described tubulose vacuum flow regulator is 1:2;
Described tubulose Diffuser is provided with expansion and constriction, it between the constriction of the expansion of described tubulose Diffuser and described tubulose Diffuser, is neck, described mixed solution exhaust port is located at the underpart of the expansion of described tubulose Diffuser, the length of the expansion of described tubulose Diffuser is 3:5 with the ratio of the entire length of described tubulose Diffuser, and the diameter ratio of the diameter of the neck of described tubulose Diffuser and described mixed solution exhaust port is 3:4.
4. according to the full automatic high efficiency miniature power energy-conserving and environment-protective vacuum system described in claim 1,2 or 3, it is characterized in that, described vacuum system also comprises vacuum voltage regulation tank, described vacuum voltage regulation tank comprises tank body, described tank base is connected with level control valve, described tank body top is connected with vacuum-flow adjustable valve, described tank body middle part is provided with liquid level sensor, described tank body both sides are provided with suction port and relief opening, the relief opening of described vacuum voltage regulation tank is provided with flow transducer, and described vacuum-flow adjustable valve is provided with pressure transducer; The relief opening of described vacuum voltage regulation tank is connected with the suction port of described vacuum generator.
5. full automatic high efficiency miniature power energy-conserving and environment-protective vacuum system according to claim 4, it is characterized in that, described vacuum system also comprises taper eddy flow baffle plate formula gas-liquid separator, described taper eddy flow baffle plate formula gas-liquid separator comprises cylindrical shell, the both sides, top of described cylindrical shell are provided with suction port and relief opening, the bottom of described cylindrical shell is provided with switch valve, on the inwall of described cylindrical shell, be connected with and cut streaming tornadotron and up big and down small conical sleeve, the outside of cutting streaming tornadotron described in described up big and down small conical sleeve is positioned at; The described streaming tornadotron of cutting comprises circular casing, described circular casing is connected with the inwall of described cylindrical shell by swash plate, the outside of described circular casing is connected with multi-disc rotation blade, and described circular casing upper end is provided with relief opening, and described circular casing lower end is provided with suction port; Described up big and down small conical sleeve is positioned at the below of the suction port on described cylindrical shell, and the space forming between described up big and down small conical sleeve and described circular casing dwindles from top to bottom gradually; In described cylindrical shell, be provided with baffle plate, the below of cutting streaming tornadotron described in described baffle plate is positioned at; The relief opening of described taper eddy flow baffle plate formula gas-liquid separator is connected with the suction port of described vacuum voltage regulation tank.
6. full automatic high efficiency miniature power energy-conserving and environment-protective vacuum system according to claim 5, it is characterized in that, described vacuum system also comprises heat recoverer, described heat recoverer comprises heat recoverer housing, feed liquor bobbin carriage and discharge opeing bobbin carriage, between described feed liquor bobbin carriage and described heat recoverer housing by cut apart stream plate and be connected, between described discharge opeing bobbin carriage and described heat recoverer housing by under cut apart stream plate and be connected, on described, cut apart stream plate and be provided with liquid entering hole, cut apart stream plate under described and be provided with liquid outlet and residual liquid exhaust port; Described feed liquor bobbin carriage is provided with liquid entering hole, and described discharge opeing bobbin carriage is provided with liquid port, and the bottom of described discharge opeing bobbin carriage is provided with automatic switch valve; The bottom of described heat recoverer housing is provided with suction port, and top is provided with relief opening; The suction port place of described heat recoverer lower housing portion is provided with impingement baffle; The inner chamber of described heat recoverer housing is provided with a plurality of heat exchanger pipe bundles from top to bottom, a plurality of heat exchanger pipe bundles be connected in cut apart on described flow plate liquid entering hole and described under cut apart between the liquid outlet that flows plate; The relief opening of described heat recoverer is connected with the suction port of described taper eddy flow baffle plate formula gas-liquid separator.
7. full automatic high efficiency miniature power energy-conserving and environment-protective vacuum system according to claim 6, it is characterized in that, on described heat recoverer, cut apart stream plate and under cut apart stream and be provided with longitudinal baffle between plate, the inwall of described heat recoverer housing is connected with tube pass partition.
8. full automatic high efficiency miniature power energy-conserving and environment-protective vacuum system according to claim 7, is characterized in that, described vacuum system also comprises PLC controller and touching display screen, and described touching display screen is connected with described PLC controller; Pressure transducer on flow transducer on described vacuum voltage regulation tank relief opening, the vacuum-flow adjustable valve of described vacuum voltage regulation tank and the liquid level sensor of described vacuum voltage regulation tank are connected with described PLC controller respectively, and the switch valve of described taper eddy flow baffle plate formula gas-liquid separator is connected with described PLC controller; The level control valve of described vacuum voltage regulation tank, vacuum-flow adjustable valve are connected with described PLC controller respectively.
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| CN201410389989.XA CN104179729B (en) | 2014-08-08 | 2014-08-08 | Full-automatic efficient oligodynamic energy-saving and environment-friendly vacuum system |
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| CN201410389989.XA CN104179729B (en) | 2014-08-08 | 2014-08-08 | Full-automatic efficient oligodynamic energy-saving and environment-friendly vacuum system |
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| CN104179729B (en) | 2017-05-03 |
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