CN214887250U - Micro-pressure air energy recovery device - Google Patents
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- CN214887250U CN214887250U CN202121094215.6U CN202121094215U CN214887250U CN 214887250 U CN214887250 U CN 214887250U CN 202121094215 U CN202121094215 U CN 202121094215U CN 214887250 U CN214887250 U CN 214887250U
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Abstract
The utility model discloses a minute-pressure air can recovery unit, include: an air inlet pipe; the air inlet pipe is communicated with the quick-closing switching valve; the air volume 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 volume adjusting 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 opening state. The utility model discloses technical scheme can be maximum efficiency utilize other process flow exhaust compressed air, the energy can be saved.
Description
Technical Field
The utility model relates to an air energy utilization equipment technical field, in particular to minute-pressure air can recovery unit.
Background
In the fermentation industry and the biological agent industry with larger oxygen consumption, a large amount of compressed air is needed, and the exhaust of the compressed air is exhausted under pressure because a certain pressure is needed in the tank body for process activities.
At present, the only effective utilization of the compressed air discharged from the tail end of the technical process in the industry is the oxygen exposure 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 usage 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 less than one third of the discharge amount according to statistics, and the rest two thirds of the compressed air is discharged in vain, so that a great amount of energy is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a minute-pressure air can recovery unit, aims at solving the technical problem that the compressed air of present emission causes a large amount of energy extravagant.
In order to achieve the above object, the utility model provides a minute-pressure air can recovery unit, include:
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 volume 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 volume regulating valve, and the quick-closing switching valve is provided with a first state that the first air outlet is communicated with the air volume regulating valve and a second state that the second air outlet is communicated with the exhaust pipe.
Optionally, the quick-closing switching valve includes a valve body and a valve core, the first air outlet and the second air outlet are disposed on 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.
Optionally, the valve core includes an air duct, the air duct forms an opening area and a shielding area, when the opening area coincides with the first air outlet or the second air outlet, air flows, and when the shielding area coincides with the first air outlet or the second air outlet, air flow stops.
Optionally, a filtering structure is arranged in the air volume adjusting valve.
Optionally, 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.
Optionally, the top and the bottom of the inner wall of the air volume adjusting valve are both provided with the windward baffles, and the adjacent windward baffles are arranged alternately.
Optionally, an air accelerator is further disposed between the first connecting pipe and the generator set.
Optionally, the air accelerator comprises an accelerating channel, the accelerating channel comprises an inlet and an outlet, the cross-sectional area of the accelerating 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 13-16, and the length of the accelerating channel is 43-65 mm.
Optionally, the power generating unit comprises a turbine, the turbine comprises a moving blade, and the moving blade expansion degree interval is between 1.2 and 1.5.
Optionally, the exhaust pipe is communicated with an evacuation separation tank, the inner wall of the evacuation separation tank is uniformly provided with a plurality of silencing pieces along the axial direction, one side of each silencing piece is connected to the inner wall, and the other side of each silencing piece is arranged towards the axial direction of the evacuation 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.
The utility model discloses technical scheme sets up the fast switching valve that closes through the adoption in the intake pipe, and the fast switching valve that closes communicates generating set and delivery pipe respectively, and the rotation case is convenient for switch gaseous flow direction, and when recovery unit broke down, the rotation case can also guarantee that the original production technology who produces compressed gas is not influenced with compressed gas switches to the blast pipe in. The realization of this technical scheme can carry out effectual recovery with the compressed air's that originally discharges kinetic energy, and the rate of recovery can reach more than eighty percent. The method can greatly reduce the power consumption of production enterprises with fermentation processes, increase the benefits of the enterprises, and make great contribution to reducing the carbon emission of the society.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of the micro-pressure air energy recovery device of the present invention;
FIG. 2 is a schematic structural view of an embodiment of the micro-pressure air energy recovery device of the present invention;
FIG. 3 is a schematic structural view of an embodiment of the air volume adjusting valve and the quick-closing switching valve of the present invention;
FIG. 4 is a schematic structural view of an embodiment of a valve element of the quick-closing switching valve of the present invention;
FIG. 5 is a schematic view of the structure of the air accelerator of the present invention cooperating with the moving blade;
FIG. 6 is a schematic structural view of an acceleration channel according to the present invention;
FIG. 7 is a schematic view of the structure of the moving blade of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, if there is a description relating to "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 relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a minute-pressure air can recovery unit.
In an embodiment of the present invention, as shown in fig. 1 to 7, the micro-pressure air energy recovery device includes:
the air inlet pipe 1 is used for inputting micro-pressure air;
the air inlet pipe 1 is communicated with the quick-closing switching valve 2;
the air volume adjusting valve 3 is communicated with the quick-closing switching valve 2, the air volume 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 volume adjusting valve 3, and the quick-closing switching valve 2 has a first state that the first air outlet 221 is communicated with the air volume adjusting valve 3 and a second state that the second air outlet 222 is communicated with the exhaust pipe 4.
The technical scheme of the utility model be to the compressed gas that some industrial production discharged carry out recycle, in this embodiment, what 1 one end of intake pipe was connected is that industrial production discharges compressed gas's equipment, and compressed gas enters into this recovery unit's fast through intake pipe 1 and closes switching valve 2, then closes switching valve 2 control compressed gas's circulation direction through the speed. The direction of flow includes the direct discharge and genset 6 direction, wherein genset 6 is the mechanism that generates electricity using compressed gas.
In a specific implementation process, when the quick-closing switching valve 2 is in the first state, the first air outlet 221 is in an open state, the quick-closing switching valve is communicated with the air volume adjusting valve 3, the second air outlet 222 is in a closed state, and compressed air enters the air volume adjusting valve 3 through the first air outlet 221 and then enters the generator set 6 through the air volume adjusting valve 3; when the quick-closing switching valve 2 is in the second state, the middle second gas outlet 222 is in the open state, the first gas outlet 221 is in the closed state, and the compressed gas enters the gas exhaust pipe 4 through the second gas outlet 222 and is exhausted.
The utility model discloses technical scheme sets up fast switching valve 2 that closes through adopting in intake pipe 1, and fast switching valve 2 that closes communicates generating set 6 and delivery pipe respectively, rotates case 21 and is convenient for switch gaseous flow direction, and when recovery unit broke down, rotates case 21 and switches compressed gas to blast pipe 4 in, can also guarantee that the production technology of the compressed gas of original production is not influenced. The realization of this technical scheme can carry out effectual recovery with the compressed air's that originally discharges kinetic energy, and the rate of recovery can reach more than eighty percent. The method can greatly reduce the power consumption of production enterprises with fermentation processes, increase the benefits of the enterprises, and make great contribution to reducing the carbon emission of the society.
In the present technical solution, in the quick-closing switching valve 2, when the first air outlet 221 is closed, the second air outlet 222 is in an open state, and the gas circulates through the second air outlet 222; when the first air outlet 221 is opened, the second air outlet 222 is in a closed state, 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 blocks the second air outlet 222, the first air outlet 221 of the valve body 22 and the air volume adjusting valve 3 are in a conducting state, and the gas flows to the generator set through the air volume adjusting valve 3 to generate power; when the valve element 21 is further rotated and the valve element 21 blocks the first air outlet 221, the second air outlet 222 of the valve body 22 is in a communication state with the exhaust pipe, and the gas is exhausted through the exhaust pipe.
Further, the valve body 21 includes an air guide cylinder. The air duct is provided with an opening area 211 and a shielding area 212, when the opening area 211 is overlapped with the first air outlet 221 or the second air outlet 222, the air flows, and when the shielding area 212 is overlapped with the first air outlet 221 or the second air outlet 222, the air flow stops.
In this embodiment, the air duct of the valve body 22 is cylindrical, the valve core 21 further includes a rotating shaft therein, a hollow support is connected between the rotating shaft and the blocking piece 212, two open areas 211 and two blocking areas 212 are provided, specifically, the hollow support divides the air duct of the valve body 22 into four parts, wherein two adjacent parts are the open areas 211, and the other two adjacent parts are the blocking areas 212. Thus, when the generator set 6 is in a 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 blocks the second air outlet 222, and the air inlet pipe 1 is stopped to be communicated with the exhaust pipe 4; rotating the valve core 21, wherein the other opening area 211 of the valve core 21 is communicated with the second air outlet 222 of the air guide cylinder of the valve body 22, at this time, 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 blocks the first air outlet 221, the air inlet pipe 1 is stopped to be communicated with the generator set 6, and the generator set 6 is in a stop state; when switching is required, it is sufficient to rotate the valve body 22 in reverse, thereby enabling quick switching.
Optionally, a filtering device is arranged in the air volume adjusting valve 3.
In this embodiment, filter equipment can be network structure, blocks the material that carries in the gas, avoids getting into generating set.
Further, the present embodiment proposes another specific structure of the filter device. The filtering structure comprises a plurality of windward baffles 31, the quick-closing switching valve 2 is arranged in the air volume regulating valve 3, and the first air outlet 221 is arranged towards the windward baffles 31.
Furthermore, the windward baffles 31 are arranged at the top and the bottom of the inner wall of the air volume adjusting valve 3, and the adjacent windward baffles 31 are arranged alternately.
In a specific implementation process, the structure of the air volume adjusting valve 3 is a cylindrical structure or a cubic structure, and the like, and is not limited in the technical scheme. In the present embodiment, the air volume adjusting valve 3 has a square structure as an example. Specifically, pipeline connectors are respectively arranged at two ends of the air volume adjusting valve 3, 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 installed at one end of the air volume adjusting 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 connecting port of the first connecting pipe 5, and one windward baffle 31 of the two adjacent windward baffles 31 is arranged on the top surface of the air volume adjusting valve 3, and the other windward baffle 31 is arranged on the bottom surface and is alternately arranged according to the rule. In the specific implementation process, the compressed gas can be doped with materials, when the compressed gas passes through the windward baffle 31, the materials are ejected after impacting the windward baffle 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 accelerating channel 9, the accelerating channel comprises an inlet and an outlet, the cross-sectional area of the accelerating channel 9 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 13-16, and the length of the accelerating channel is 43-65 mm.
In the implementation process, the discharge of the compressed air has a tail pressure of 30-150 kpa, the tail pressure of 30-150 kpa needs to be fully utilized, and the pressure energy needs to be efficiently converted into the kinetic energy, namely the compressed air needs to be accelerated in the air accelerator more efficiently. The inlet of the air accelerating channel is the direction of the compressed air entering the air accelerator, and the outlet of the air accelerating channel is the direction of the compressed air exiting the air accelerator. According to the pressure of the compressed air used, as shown in fig. 6, when the inlet of the acceleration channel is S1 and the outlet is S2, the convergence ratio is S1/S2 is 13-16, the convergence ratio of the inlet to the outlet is controlled to 13-16, and the convergence length is controlled to 43-65 mm, so as to obtain the optimal speed.
Optionally, the power unit 6 comprises a turbine comprising moving blades 61, and the expanse of the moving blades 61 is between 1.2 and 1.5.
In the concrete 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 at the speed is converted into the mechanical energy of the turbine as much as possible, the kinetic energy is required to be converted in the moving blades 61 of the turbine, the linear shape of the moving blades 61 of the turbine has the greatest influence, and the turbine moving blades with the turbine moving blade expansion degree of 1.2-1.5 are selected according to the circumferential speed when the turbine moving blades rotate and the absolute speed of the compressed air, so that most kinetic energy of the compressed air in the moving blades is converted into the rotating mechanical energy to generate electricity, and the compressed air is utilized to the maximum extent. Specifically, as shown in fig. 7, when the inlet of the turbine rotor blade is S3 and the outlet is S4, the expansion ratio S3/S4 is 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, a small amount of compressed air flows out after the generator set 6 utilizes the compressed air, and then the compressed air can be discharged through the exhaust pipe 4.
Optionally, the exhaust pipe 4 is communicated with an evacuation separation tank 8, the inner wall of the evacuation separation tank 8 is uniformly provided with a plurality of muffling sheets 81 along the axis direction, one side of each muffling sheet 81 is connected to the inner wall, and the other side of each muffling sheet 81 is arranged towards the axis 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, a small amount of compressed air flows out after the generator set 6 utilizes the compressed air, and then the compressed air 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 at the rear to eliminate noise. Specifically, evacuation knockout drum 8 is the vertical jar body that sets up on ground, and open-top 211 sets up, and the vertical noise elimination piece 81 that sets up of inner wall, noise elimination piece 81 are rectangular sheet structure, and one side is connected with the inner wall, and the opposite side is towards axle center direction.
In addition, in the specific 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 electrical energy.
From this, among the compressed air recovery unit that this technical scheme provided, compressed air gets into fast closed switch valve 2 by intake pipe 1, and fast closed switch valve 2 controls the flow direction of air current, wherein, flows to generating 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, directly to exhaust pipe 4: second outlet 222, second connecting pipe 7, exhaust pipe 4, and the gas discharged into exhaust pipe 4 from both lines is discharged through evacuation separation tank 8.
The above is only the optional embodiment of the present invention, and not therefore the limit of the patent scope of the present invention, all of which are in the concept of the present invention, the equivalent structure transformation of the content of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A micropressure air energy recovery device, characterized by 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 volume 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 volume regulating valve, and the quick-closing switching valve is provided with a first state that the first air outlet is communicated with the air volume regulating valve and a second state that the second air outlet is communicated with the exhaust pipe.
2. The recovery apparatus for micropressure air energy 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 to the inside of the valve body to selectively open one of the first air outlet and the second air outlet.
3. The micro-pressure air energy recovery device according to claim 2, wherein the valve core comprises an air guide cylinder, the air guide cylinder is provided with an opening area and a shielding area, when the opening area is overlapped with the first air outlet or the second air outlet, the air flows through, and when the shielding area is overlapped with the first air outlet or the second air outlet, the air flow stops.
4. The recycling apparatus for minute-pressure air energy as claimed in claim 1, wherein said air volume adjusting valve is provided with a filtering structure therein.
5. The recovery apparatus of micropressure air energy according to claim 4, wherein the filtering structure comprises 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 recycling apparatus for air energy according to claim 5, wherein the top and bottom of the inner wall of said air volume adjusting valve are provided with said windward baffles, and the adjacent windward baffles are arranged alternately.
7. The micro-pressure air energy recovery device as claimed in claim 1, wherein an air accelerator is further provided between the first connection pipe and the generator set.
8. The recovery apparatus of air energy under micropressure according to claim 7, wherein 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 tapered in the direction from the inlet to the outlet, wherein 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.
9. The micro-pressure air energy recovery device according to claim 8, wherein the generator set comprises a turbine, the turbine comprises a moving blade, and the moving blade has an expansion degree interval of 1.2-1.5.
10. The micro-pressure air energy recovery device according to claim 1, wherein the exhaust pipe is communicated with an evacuation separation tank, a plurality of noise elimination sheets are uniformly arranged on the inner wall of the evacuation separation tank along the axial direction, one side of each noise elimination sheet is connected to the inner wall, and the other side of each noise elimination sheet is arranged towards the axial direction of the evacuation 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121094215.6U CN214887250U (en) | 2021-05-20 | 2021-05-20 | Micro-pressure air energy recovery device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121094215.6U CN214887250U (en) | 2021-05-20 | 2021-05-20 | Micro-pressure air energy recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294211A (en) * | 2021-05-20 | 2021-08-24 | 中齐能源科技有限公司 | Micro-pressure air energy recovery device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294211A (en) * | 2021-05-20 | 2021-08-24 | 中齐能源科技有限公司 | Micro-pressure air energy recovery device |
| CN113294211B (en) * | 2021-05-20 | 2024-05-31 | 中齐能源科技有限公司 | Micro-pressure air energy recovery device |
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