CN113294211B - Micro-pressure air energy recovery device - Google Patents
Micro-pressure air energy recovery device Download PDFInfo
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- CN113294211B CN113294211B CN202110554965.5A CN202110554965A CN113294211B CN 113294211 B CN113294211 B CN 113294211B CN 202110554965 A CN202110554965 A CN 202110554965A CN 113294211 B CN113294211 B CN 113294211B
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- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims abstract description 22
- 230000001133 acceleration Effects 0.000 claims description 13
- 230000030279 gene silencing Effects 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000855 fermentation Methods 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003124 biologic agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/30—Exhaust heads, chambers, or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a micro-pressure air energy recovery device, which comprises: an air inlet pipe; the air inlet pipe is communicated with the quick-closing switching valve; the air quantity adjusting valve is communicated with the quick-closing switching valve and is also communicated with a first connecting pipe, and the first connecting pipe is communicated with a generator set; the quick-closing switching valve is also communicated with an exhaust pipe; the quick-closing switching valve comprises a first air outlet and a second air outlet, wherein the first air outlet is communicated with the air quantity regulating valve, the second air outlet is communicated with the exhaust pipe, and only one of the first air outlet and the second air outlet is in an open state. The technical scheme of the invention can utilize the compressed air discharged by other process flows to the maximum efficiency, and save energy.
Description
Technical Field
The invention relates to the technical field of air energy utilization equipment, in particular to a micro-pressure air energy recovery device.
Background
In the fermentation industry and the biological agent industry with larger oxygen consumption, a large amount of compressed air is needed, and because a certain pressure is needed in the tank body for process activities, the exhaust of the compressed air is discharged under pressure.
At present, the only effective utilization of the compressed air discharged from the tail end of the technical process in the industry is the aeration operation of sewage treatment, and the residual pressure of the compressed air and the residual oxygen content in the compressed air are utilized to kill anaerobic bacteria in the sewage. However, the application is limited, the use amount of the compressed air for sewage treatment is limited, the tail gas of the compressed air used for sewage treatment in the fermentation industry only accounts for one third of the emission amount according to statistics, and the rest compressed air which is more than two thirds of the emission amount is discharged, so that a large amount of energy waste is caused.
Disclosure of Invention
The invention mainly aims to provide a micro-pressure air energy recovery device, which aims to solve the technical problem of large energy waste caused by discharging compressed air at present.
In order to achieve the above object, the present invention provides a micro-pressure air energy recovery device, comprising:
the air inlet pipe is used for inputting micro-pressure air;
The air inlet pipe is communicated with the quick-closing switching valve;
The air quantity adjusting valve is communicated with the quick-closing switching valve and is also communicated with a first connecting pipe, and the first connecting pipe is communicated with a generator set;
the quick-closing switching valve is also communicated with an exhaust pipe;
The quick-closing switching valve comprises a first air outlet and a second air outlet, the first air outlet is communicated with the air quantity regulating valve, and the quick-closing switching valve is provided with a first state in which the first air outlet is communicated with the air quantity regulating valve and a second state in which the second air outlet is communicated with the exhaust pipe.
Optionally, the quick-closing switching valve comprises a valve body and a valve core, the first air outlet and the second air outlet are formed in the valve body, and the valve core is rotationally connected inside the valve body to selectively open one of the first air outlet and the second air outlet.
Optionally, the valve core includes the air duct, the air duct is formed with opening area and shelter from the district, when opening area and first gas outlet or second gas outlet coincidence, the gas circulation is stopped to shelter from the district and first gas outlet or second gas outlet coincidence.
Optionally, a filtering structure is arranged in the air quantity regulating valve.
Optionally, the filtering structure comprises a plurality of windward baffles, the quick-closing switching valve is arranged in the air quantity regulating valve, and the first air outlet is arranged towards the windward baffles.
Optionally, the top and the bottom of the inner wall of the air quantity regulating valve are respectively provided with the windward baffles, and the adjacent windward baffles are alternately arranged.
Optionally, an air accelerator is further arranged between the first connecting pipe and the generator set.
Optionally, the air accelerator comprises an acceleration channel, the acceleration channel comprises an inlet and an outlet, the cross-sectional area of the acceleration channel is gradually reduced in the direction from the inlet to the outlet, the ratio of the cross-sectional area of the inlet to the cross-sectional area of the outlet is between 13 and 16, and the length of the acceleration channel is between 43 and 65 mm.
Optionally, the generator set comprises a turbine comprising rotor blades, the rotor blade expansion interval being between 1.2 and 1.5.
Optionally, the exhaust pipe is communicated with an emptying separation tank, a plurality of silencing sheets are uniformly arranged on the inner wall of the emptying separation tank along the axial direction, one side edge of each silencing sheet is connected to the inner wall, and the other side edge of each silencing sheet is arranged towards the axial direction of the emptying separation tank;
And/or the quick-closing switching valve is communicated with the exhaust pipe through a second connecting pipe, and the generator set is also communicated with the exhaust pipe.
According to the technical scheme, the quick-closing switching valve is arranged on the air inlet pipe and is respectively communicated with the generator set and the discharge pipe, the rotary valve core is convenient for switching the flow direction of the air, when the recovery device fails, the rotary valve core switches the compressed air into the exhaust pipe, and the production process of the original generated compressed air can be ensured not to be influenced. The realization of the technical scheme can effectively recycle the kinetic energy of the compressed air discharged originally, and the recovery rate can reach more than eighty percent. The self-consumption of the production enterprises with the fermentation process can be greatly reduced, the benefits of the enterprises are increased, and great contribution is made to reducing the carbon emission of society.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a micropressure air energy recovery device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an embodiment of a micropressure air energy recovery device of the present invention;
FIG. 3 is a schematic diagram of an embodiment of an air volume control valve and a quick-closing switching valve according to the present invention;
FIG. 4 is a schematic diagram of a valve core embodiment of a quick-closing switching valve of the present invention;
FIG. 5 is a schematic view of the air accelerator and rotor blade of the present invention;
FIG. 6 is a schematic diagram of the accelerating tunnel of the present invention;
Fig. 7 is a schematic view of the structure of the rotor blade according to the present invention.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a micro-pressure air energy recovery device.
In an embodiment of the present invention, as shown in fig. 1 to 6, the micro-pressure air energy recovery device includes:
An air inlet pipe 1 for inputting micro-pressure air;
a quick-closing switching valve 2, wherein the air inlet pipe 1 is communicated with the quick-closing switching valve 2;
The air quantity adjusting valve 3 is communicated with the quick-closing switching valve 2, the air quantity adjusting valve 3 is also communicated with a first connecting pipe 5, and the first connecting pipe 5 is communicated with a generator set 6;
the quick-closing switching valve 2 is also communicated with an exhaust pipe 4;
the quick-closing switching valve 2 comprises a first air outlet 221 and a second air outlet 222, the first air outlet 221 is communicated with the air quantity regulating valve 3, and the quick-closing switching valve 2 is provided with a first state in which the first air outlet 221 is communicated with the air quantity regulating valve 3 and a second state in which the second air outlet 222 is communicated with the exhaust pipe 4.
In the embodiment, one end of an air inlet pipe 1 is connected with equipment for discharging compressed air in industrial production, the compressed air enters a quick-closing switching valve 2 of the recovery device through the air inlet pipe 1, and then the circulation direction of the compressed air is controlled through the quick-closing switching valve 2. The direction of flow includes direct discharge and the direction of the generator set 6, wherein the generator set 6 is a mechanism for generating electricity by using compressed gas.
In the specific implementation process, when the quick-closing switching valve 2 is in a first state, the first air outlet 221 is in an open state, the quick-closing switching valve is communicated with the air volume regulating valve 3, the second air outlet 222 is in a closed state, compressed air enters the air volume regulating valve 3 through the first air outlet 221, and then enters the generator set 6 through the air volume regulating valve 3; when the quick-closing switching valve 2 is in the second state, the second air outlet 222 is in the open state, the first air outlet 221 is in the closed state, and the compressed air enters the exhaust pipe 4 through the second air outlet 222 and is exhausted.
According to the technical scheme, the quick-closing switching valve 2 is arranged on the air inlet pipe 1, the quick-closing switching valve 2 is respectively communicated with the generator set 6 and the exhaust pipe, the rotary valve core 21 is convenient for switching the flow direction of air, when the recovery device fails, the rotary valve core 21 switches the compressed air into the exhaust pipe 4, and the production process of the original generated compressed air can be prevented from being influenced. The realization of the technical scheme can effectively recycle the kinetic energy of the compressed air discharged originally, and the recovery rate can reach more than eighty percent. The self-consumption of the production enterprises with the fermentation process can be greatly reduced, the benefits of the enterprises are increased, and great contribution is made to reducing the carbon emission of society.
In the present technical solution, in the quick-closing switching valve 2, the first air outlet 221 is closed, then the second air outlet 222 is in an open state, and the air flows through the second air outlet 222; when the first air outlet 221 is opened, the second air outlet 222 is closed, and the air flows through the first air outlet 221.
Optionally, the quick-closing switching valve 2 includes a valve body 22 and a valve core 21, the first air outlet 221 and the second air outlet 222 are opened on the valve body 22, and the valve core 21 is rotatably connected inside the valve body 22 to selectively open one of the first air outlet 221 and the second air outlet 222.
When the valve core 21 is rotated and the valve core 21 shields the second air outlet 222, the first air outlet 221 of the valve body 22 and the air quantity regulating valve 3 are in a conducting state, and air flows to the generator set through the air quantity regulating valve 3 to generate electricity; when the valve core 21 is further rotated and the valve core 21 shields the first air outlet 221, the second air outlet 222 of the valve body 22 is in a conducting state with the exhaust pipe, and the air is exhausted through the exhaust pipe.
Further, the valve core 21 comprises an air duct. The air duct is provided with an opening area 211 and a shielding area 212, when the opening area 211 coincides with the first air outlet 221 or the second air outlet 222, the air circulates, and when the shielding area 212 coincides with the first air outlet 221 or the second air outlet 222, the air circulation is stopped.
In this embodiment, the air duct of the valve body 22 is cylindrical, the valve core 21 further includes a rotating shaft, a hollow bracket is connected between the rotating shaft and the baffle 212, two opening areas 211 and the shielding areas 212 are respectively provided, and specifically, the hollow bracket divides the air duct of the valve body 22 into four parts, wherein two adjacent parts are the opening areas 211, and two other adjacent parts are the shielding areas 212. Thus, when the generator set 6 is in the power generation state, one opening area 211 of the valve core 21 is communicated with the first air outlet 221 of the air duct of the valve body 22, at this time, the air inlet pipe 1 is communicated with the generator set 6 to realize power generation by using compressed gas, and at this time, one shielding area 212 of the valve core 21 is blocked on the second air outlet 222 to stop the air inlet pipe 1 from being communicated with the air outlet pipe 4; the valve core 21 is rotated, the other opening area 211 of the valve core 21 is communicated with the second air outlet 222 of the air duct of the valve body 22, at the moment, the air inlet pipe 1 is communicated with the air outlet pipe 4 to realize air exhaust, the other shielding area 212 of the valve core 21 is blocked on the first air outlet 221, the air inlet pipe 1 is blocked from being communicated with the generator set 6, and the generator set 6 is in a stop state; when switching is required, the valve body 22 is rotated reversely, thereby enabling rapid switching.
Optionally, a filtering device is arranged in the air quantity regulating valve 3.
In this embodiment, the filtering device may be a mesh structure, which blocks the material carried in the gas from entering the generator set.
Further, the present embodiment proposes another specific structure of the filtering device. The filtering structure comprises a plurality of windward baffles 31, the quick-closing switching valve 2 is arranged in the air quantity regulating valve 3, and the first air outlet 221 is arranged towards the windward baffles 31.
Furthermore, the top and the bottom of the inner wall of the air quantity regulating valve 3 are respectively provided with the windward baffles 31, and the adjacent windward baffles 31 are alternately arranged.
In the specific implementation process, the air volume control valve 3 has a cylindrical structure or a square structure, and the present technical solution is not limited. In the present embodiment, the air volume control valve 3 is exemplified by a square body structure. Specifically, the two ends of the air quantity regulating valve 3 are provided with pipeline connectors, and the two pipeline connectors are respectively communicated with the exhaust pipe 4 and the first connecting pipe 5. The quick-closing switching valve 2 is arranged at one end of the air quantity regulating valve 3, the first air outlet 221 faces the direction of a pipeline connecting port communicated with the first connecting pipe 5, and the second air outlet 222 faces the pipeline connecting port communicated with the exhaust pipe 4. The windward baffles 31 are arranged between the first air outlet 221 and the pipeline connection port of the first connection pipe 5, and one windward baffle 31 is arranged on the top surface of the air quantity regulating valve 3, and the other windward baffles 31 are arranged on the bottom surface and are alternately arranged according to the rule. In the specific implementation process, materials are doped in the compressed gas, when the compressed gas passes through the windward baffles 31, the materials are ejected after impacting the windward baffles 31, and under the action of impact force and the gravity of the materials, the materials can be blocked between the windward baffles 31, so that the materials are prevented from entering the generator set 6 to cause damage.
Optionally, an air accelerator is further disposed between the first connecting pipe 5 and the generator set 6.
Further, the air accelerator comprises an acceleration channel 9, the acceleration channel comprises an inlet and an outlet, the cross section area of the acceleration channel 9 is gradually reduced in the direction from the inlet to the outlet, the ratio of the cross section area of the inlet to the cross section area of the outlet is between 13 and 16, and the length of the acceleration channel is between 43 and 65 mm.
In the specific implementation process, the compressed air is discharged with the tail pressure of 30-150 kpa, the tail pressure of 30-150 kpa needs to be fully utilized, and then the pressure energy needs to be efficiently converted into kinetic energy, namely the compressed air needs to be more efficiently accelerated in an air accelerator. The inlet of the air accelerating channel is the direction of compressed air entering the air accelerator, and the outlet is the direction of compressed air exiting the air accelerator. According to the pressure of the compressed air to be used, as shown in fig. 6, the inlet of the acceleration channel is S1, the outlet is S2, the convergence ratio is S1/s2=13 to 16, the convergence ratio of the inlet to the outlet is controlled to be 13 to 16, and the convergence length is controlled to be 43 to 65mm, so as to obtain the optimal speed.
Optionally, the generator set 6 comprises a turbine comprising moving blades 61, the range of expansion of the moving blades 61 being between 1.2 and 1.5.
In the specific implementation process, after the compressed air is accelerated by the air accelerator, the speed of the compressed air reaches 300 m/s-500 m/s, the kinetic energy of the compressed air with the speed is converted into mechanical energy of a turbine as much as possible, the mechanical energy is needed to be carried out in the moving blades 61 of the turbine, the linear shape of the moving blades 61 of the turbine is the most influenced, and according to the wheel circumference speed of the moving blades of the turbine when the moving blades of the turbine rotate and the absolute speed of the compressed air, the moving blades of the turbine with the expansion degree of 1.2-1.5 are selected according to the embodiment, so that the compressed air converts most of the kinetic energy in the moving blades into the rotating mechanical energy to generate electricity, and the compressed air is utilized to the greater extent. Specifically, as shown in fig. 7, when the turbine rotor blade has an inlet S3 and an outlet S4, the expansion S3/s4=1.2 to 1.5.
Optionally, the quick-closing switching valve 2 is communicated with the exhaust pipe 4 through a second connecting pipe 7, and the generator set 6 is also communicated with the exhaust pipe 4.
The second connecting pipe 7 is connected between the quick-closing switching valve 2 and the exhaust pipe 4, the generator set 6 is communicated with the exhaust pipe 4, and a small amount of compressed air flows out after the generator set 6 utilizes the compressed air and can be discharged through the exhaust pipe 4.
Optionally, the exhaust pipe 4 is communicated with an evacuation separation tank 8, a plurality of silencing sheets 81 are uniformly arranged on the inner wall of the evacuation separation tank 8 along the axial direction, one side edge of each silencing sheet 81 is connected to the inner wall, and the other side edge of each silencing sheet 81 is arranged towards the axial direction of the evacuation separation tank 8;
and/or, the quick-closing switching valve 2 is communicated with the exhaust pipe 4 through a second connecting pipe 7, and the generator set 6 is also communicated with the exhaust pipe 4.
The second connecting pipe 7 is connected between the quick-closing switching valve 2 and the exhaust pipe 4, the generator set 6 is communicated with the exhaust pipe 4, and a small amount of compressed air flows out after the generator set 6 utilizes the compressed air and can be discharged through the exhaust pipe 4.
The compressed air produces noise when discharged, and in this embodiment the exhaust pipe 4 is connected to the evacuation separator tank 8 to eliminate the noise. Specifically, the emptying separation tank 8 is a tank body vertically arranged on the ground, the top opening 211 is formed, the inner wall is vertically provided with a silencing sheet 81, the silencing sheet 81 is of a strip-shaped sheet structure, one side of the silencing sheet 81 is connected with the inner wall, and the other side of the silencing sheet faces the axis direction.
In addition, in the implementation process, the generator set 6 further includes a mechanical energy transmission shaft, a coupling, a bearing, a lubricating oil system, an instrument system, a control system, and the like, which are all devices for ensuring that mechanical energy is converted into electric energy, and such structures refer to the existing generator technology, and are not described in detail in this embodiment.
Therefore, in the compressed air recovery device provided by the technical scheme, compressed air enters the quick-closing switching valve 2 through the air inlet pipe 1, and the quick-closing switching valve 2 controls the flow direction of air flow, wherein the air flows to the generator set 6: first air outlet 221-air volume control valve 3 (windward baffle 31) -first connecting pipe 5-generator set 6 (turbine) -exhaust pipe 4, and directly flows to exhaust pipe 4: the second gas outlet 222, the second connecting pipe 7 and the exhaust pipe 4, and the gas discharged into the exhaust pipe 4 through the two lines is discharged through the emptying separation tank 8.
The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (6)
1. A micro-pressure air energy recovery device, comprising:
the air inlet pipe is used for inputting micro-pressure air;
The air inlet pipe is communicated with the quick-closing switching valve;
The air quantity adjusting valve is communicated with the quick-closing switching valve and is also communicated with a first connecting pipe, and the first connecting pipe is communicated with a generator set;
the quick-closing switching valve is also communicated with an exhaust pipe;
The quick-closing switching valve comprises a first air outlet and a second air outlet, the first air outlet is communicated with the air quantity regulating valve, and the quick-closing switching valve is provided with a first state in which the first air outlet is communicated with the air quantity regulating valve and a second state in which the second air outlet is communicated with the exhaust pipe;
an air accelerator is also arranged between the first connecting pipe and the generator set;
The air accelerator comprises an acceleration channel, the acceleration channel comprises an inlet and an outlet, the cross section area of the acceleration channel is gradually reduced in the direction from the inlet to the outlet, the ratio of the cross section area of the inlet to the cross section area of the outlet is between 13 and 16, and the length of the acceleration channel is between 43 and 65 mm;
The generator set comprises a turbine, wherein the turbine comprises moving blades, and the expansion degree interval of the moving blades is between 1.2 and 1.5;
The exhaust pipe is communicated with an emptying separation tank, a plurality of silencing sheets are uniformly arranged on the inner wall of the emptying separation tank along the axial direction, one side edge of each silencing sheet is connected to the inner wall, and the other side edge of each silencing sheet is arranged towards the axial direction of the emptying separation tank;
The quick-closing switching valve is communicated with the exhaust pipe through a second connecting pipe, and the generator set is also communicated with the exhaust pipe.
2. The micro-pressure air energy recovery device according to claim 1, wherein the quick-closing switching valve comprises a valve body and a valve core, the first air outlet and the second air outlet are formed in the valve body, and the valve core is rotatably connected inside the valve body to selectively open one of the first air outlet and the second air outlet.
3. The micropressure air energy recovery device according to claim 2, wherein the valve core includes an air duct formed with an opening area and a shielding area, the air circulation is stopped when the opening area coincides with the first air outlet or the second air outlet, and the shielding area coincides with the first air outlet or the second air outlet.
4. The micro-pressure air energy recovery device according to claim 1, wherein a filter structure is arranged in the air quantity adjusting valve.
5. The micropressure air energy recovery device of claim 4, wherein the filtering structure includes a plurality of windward baffles, the quick-closing switching valve is disposed in the air volume adjusting valve, and the first air outlet is disposed toward the windward baffles.
6. The micro-pressure air energy recovery device according to claim 5, wherein the top and the bottom of the inner wall of the air quantity regulating valve are respectively provided with the windward baffles, and adjacent windward baffles are alternately arranged.
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| CN202110554965.5A CN113294211B (en) | 2021-05-20 | 2021-05-20 | Micro-pressure air energy recovery device |
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| CN202110554965.5A CN113294211B (en) | 2021-05-20 | 2021-05-20 | Micro-pressure air energy recovery device |
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| JPH0874729A (en) * | 1994-07-05 | 1996-03-19 | Toshitaka Yasuda | Method for converting gravity acting on flow of fluid into kinetic energy and device thereof |
| CN104343727A (en) * | 2013-07-30 | 2015-02-11 | 三电有限公司 | Centrifugal air blower and vehicle-mounting air-conditioning apparatus comprising same |
| CN105264197A (en) * | 2013-02-06 | 2016-01-20 | 韩承周 | Magnetic drive type air charging device |
| CN214887250U (en) * | 2021-05-20 | 2021-11-26 | 中齐能源科技有限公司 | Micro-pressure air energy recovery device |
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| JP4411753B2 (en) * | 2000-06-30 | 2010-02-10 | 株式会社日立プラントテクノロジー | Oil-free screw compressor |
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| JPH0874729A (en) * | 1994-07-05 | 1996-03-19 | Toshitaka Yasuda | Method for converting gravity acting on flow of fluid into kinetic energy and device thereof |
| CN105264197A (en) * | 2013-02-06 | 2016-01-20 | 韩承周 | Magnetic drive type air charging device |
| CN104343727A (en) * | 2013-07-30 | 2015-02-11 | 三电有限公司 | Centrifugal air blower and vehicle-mounting air-conditioning apparatus comprising same |
| CN214887250U (en) * | 2021-05-20 | 2021-11-26 | 中齐能源科技有限公司 | Micro-pressure air energy recovery device |
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