CN218119784U - Sound wave ash removal device - Google Patents
Sound wave ash removal device Download PDFInfo
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- CN218119784U CN218119784U CN202221480756.7U CN202221480756U CN218119784U CN 218119784 U CN218119784 U CN 218119784U CN 202221480756 U CN202221480756 U CN 202221480756U CN 218119784 U CN218119784 U CN 218119784U
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Abstract
The utility model provides a sound wave ash removal device, which comprises a main air supply pipeline, a first sound wave ash removal unit and a second sound wave ash removal unit; the main air supply pipeline provides a stable air source for the first sound wave ash removal unit and the second sound wave ash removal unit, the first sound wave ash removal unit and the second sound wave ash removal unit are arranged in an opposite mode for removing ash, and the first sound wave ash removal unit is composed of a first electromagnetic valve, a first stainless steel metal hose, a first sound wave ash remover and a first inspection and maintenance ball valve; the second sonic ash removal unit consists of a second electromagnetic valve, a second stainless steel metal hose, a second sonic ash removal device and a second inspection and maintenance ball valve; the first sound wave ash removal unit or the second sound wave ash removal unit is a low-frequency sound wave vibration ash removal device. The sound wave ash removing device of the utility model is not affected by any high temperature, low temperature and bad conditions, and has stable and reliable working performance; high performance-price ratio, low energy consumption of compressed gas, no maintenance and long service life.
Description
Technical Field
The utility model belongs to the technical field of coal gasification, a sound wave ash removal device is related to, it specifically is a sound wave ash removal device that is used for self-cleaning formula filter system of normal and low pressure coal system gas.
Background
In the existing coal gas industry, because of the inherent technical advantages of the normal and low pressure coal gas, the normal and low pressure coal gas is widely popularized and applied. The dust removal of the process gas after coal gasification is an important process of the gasification process, which directly affects the stable and continuous operation of subsequent devices, so that the dust removal of coal gas production equipment is required frequently.
Most of the existing dust removal processes for producing gas from coal under normal low pressure adopt a dust-discharging manhole door arranged on an air inlet pipeline, a flange and blind plate type dust-discharging port is arranged at a position where dust is easy to accumulate, the dust accumulation is not easy to remove by using the structure of the dust-discharging manhole door and the dust-discharging port, and manual cleaning is needed during large maintenance every year; manual cleaning is time-consuming and labor-consuming, a part of coal tar exists in the dust content, paint spraying is not performed in the main air duct, and the dust is seriously corroded on the main air duct.
SUMMERY OF THE UTILITY MODEL
Based on the problem that exists among the prior art, the utility model provides a sound wave ash removal device, its deashing that is applicable to the self-cleaning formula filter system of normal low pressure coal system gas.
According to the technical scheme of the utility model, a sound wave ash removal device is provided, which is used for a self-cleaning filter system for normal and low pressure coal gas, and comprises a main air supply pipeline, a first sound wave ash removal unit and a second sound wave ash removal unit; the main air supply pipeline provides a stable air source for the first sound wave ash removal unit and the second sound wave ash removal unit, and the first sound wave ash removal unit and the second sound wave ash removal unit are opposite to each other for removing ash; the first sound wave ash removal unit consists of a first electromagnetic valve, a first stainless steel metal hose, a first sound wave ash removal device and a first inspection and maintenance ball valve; the second sonic deashing unit consists of a second electromagnetic valve, a second stainless steel metal hose, a second sonic deashing device and a second inspection and maintenance ball valve; the first sound wave ash cleaning unit or the second sound wave ash cleaning unit is a low-frequency sound wave vibration ash cleaning device.
One end of the main air supply pipeline is connected with a first sound wave ash remover through a first electromagnetic valve and a first stainless steel metal hose, and a first inspection and maintenance ball valve is arranged on a channel of the first sound wave ash remover; the other end of the main air supply pipeline is connected with a second sound wave ash remover through a second electromagnetic valve and a second stainless steel metal hose, and a second inspection and maintenance ball valve is arranged on a channel of the second sound wave ash remover.
Preferably, each acoustic wave ash remover comprises a breathing port, a diaphragm and a compressed air inlet, wherein the diaphragm is arranged on a vertical path of the breathing port, and a certain distance is kept between the diaphragm and the breathing port; the compressed air inlet is arranged in the vertical direction of the side surface of the diaphragm and is respectively positioned at the two sides of the diaphragm together with the breathing port.
Further, the sound wave ash remover comprises a primary cavity and a secondary cavity of compressed gas, wherein the primary cavity is directly connected with a compressed air inlet, and the top of the secondary cavity is in contact with the diaphragm in a normal mode.
In addition, a third sound wave ash cleaning unit and a fourth sound wave ash cleaning unit are arranged in the direction perpendicular to the connecting axis of the first sound wave ash cleaning unit and the second sound wave ash cleaning unit. The axes of the third sound wave ash cleaning unit and the fourth sound wave ash cleaning unit are vertical to the connecting axis of the first sound wave ash cleaning unit and the second sound wave ash cleaning unit.
Preferably, the third sonic ash removal unit comprises a third sonic ash removal device and a third maintenance ball valve; the fourth sound wave ash removal unit comprises a fourth sound wave ash removal device and a fourth inspection and maintenance ball valve. The first sound wave ash removal unit, the second sound wave ash removal unit, the third sound wave ash removal unit and the fourth sound wave ash removal unit form plane symmetry, and then a stable and efficient ash removal array is formed.
Preferably, the sound pressure level at the outlet of the sonic ash remover is greater than 145db. The air supply pressure of the main air supply pipeline is 0.3-0.7Mpa.
Compared with the prior art, the utility model discloses a sound wave ash removal device's beneficial effect does:
1. the sound wave ash cleaner uses compressed air as the energy source of sound wave, the high-strength titanium metal membrane self-oscillates under the action of compressed air source, and produces resonance in the resonant cavity, and converts the potential energy of compressed air into low-frequency sound energy, and the sound energy is transferred to the correspondent ash-depositing point by means of air medium, so that the sound wave can produce the action of "sound-induced fatigue" to ash.
2. The device is not influenced by any high temperature, low temperature and severe conditions, and the working performance is stable and reliable. High performance-price ratio, low energy consumption of compressed gas, no maintenance and long service life.
3. In the operation process, the device is not damaged, and the environmental impact can reach the national standard requirement. The sound wave ash cleaning device has no damage to human body and equipment filter bag during operation, and belongs to an environment-friendly sound wave ash cleaning device.
4. The acoustic wave ash removal device reduces the maintenance amount and the maintenance cost of the normal-low pressure coal gas self-cleaning filter system.
Drawings
Fig. 1 is a schematic perspective view of a sonic ash removal device for a normal-low pressure coal gas self-cleaning filter system according to the present invention;
FIG. 2 is a schematic plan view of the sonic ash removal device for the normal and low pressure coal gas self-cleaning filter system shown in FIG. 1;
FIG. 3 is a schematic diagram of a sonic ash remover;
FIG. 4 is a schematic view of the diaphragm of the sonic ash remover of FIG. 3 under pressure;
FIG. 5 is a schematic diagram of the sonic ash remover of FIG. 3 forming high energy sound waves.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model provides a sound wave ash removal device, it is used for the self-cleaning formula filter system of normal low pressure coal system gas, it uses low frequency sound wave vibration ash removal ware to carry out the deashing, low frequency sound wave vibration ash removal ware is by compressed carbon dioxide, nitrogen gas is main power supply, the air supply produces low-frequency vibration through cavity and diaphragm (diaphragm material titanium alloy), the high energy sound wave is through expanding a sound section of thick bamboo, the form resonance that produces the sphere longitudinal wave in self-cleaning formula filter, the dust granule on no dead angle clearance filter bag surface produces fatigue and peels off, thereby reach the purpose of deashing. Furthermore, the sound wave ash cleaner takes compressed air as the energy source of sound waves, a high-strength titanium metal membrane is self-excited to oscillate under the action of a compressed air source and generates resonance in a resonant cavity, the potential energy of the compressed air is converted into low-frequency sound energy, the sound energy is transmitted to corresponding ash deposition points through an air medium, so that the sound waves have the effect of sound-induced fatigue on ash and slag, due to the repeated action of the sound wave oscillation, the load which is applied to the extrusion cycle change of the ash and slag is applied, when a certain cycle stress frequency is reached, the structure of the ash and slag is damaged due to fatigue, and then the ash and slag are removed out of the surface of an attachment due to gravity or a fluid medium, so that the ash cleaning effect is achieved.
As shown in fig. 1 and 2, the sonic ash cleaning device for the normal and low pressure coal gas self-cleaning filter system comprises a main air supply pipeline 11, a first sonic ash cleaning unit and a second sonic ash cleaning unit. The main gas supply pipeline provides a stable gas source for the sonic wave ash removal unit, and preferably compressed gases such as nitrogen, hydrogen, nitrogen or carbon dioxide. The first sound wave ash removal unit and the second sound wave ash removal unit are opposite to each other for ash removal, so that the resonance force of sound wave ash removal can be exerted to the maximum extent, and the accumulated ash of the self-cleaning filter system can be cleaned in an extreme time.
The first sound wave ash cleaning unit consists of a first electromagnetic valve 12, a first stainless steel metal hose 13, a first sound wave ash cleaning device 14 and a first inspection and maintenance ball valve 15, and the second sound wave ash cleaning unit consists of a second electromagnetic valve 16, a second stainless steel metal hose 17, a second sound wave ash cleaning device 18 and a second inspection and maintenance ball valve 19. The electromagnetic valve is used as a loop switch to perform opening and closing functions; the stainless steel metal hose is connected with the sound wave ash remover and is convenient for mounting the sound wave ash remover; the sound wave ash cleaner converts the air source pressure into sound waves for ash cleaning; the main air supply pipeline provides an air source to the normally closed electromagnetic valve, when the electromagnetic valve is powered on and opened, the air source enters the sound wave ash remover through the stainless steel metal hose, and the sound wave ash remover converts the air source pressure into sound waves to remove ash. When the sound wave ash removal device needs to be inspected and maintained, the sound wave ash removal device can be taken down by closing the ball valve.
Furthermore, as shown in fig. 1, one end of the main air supply line 11 is connected to a first sonic ash remover 14 via a first electromagnetic valve 12 and a first stainless steel flexible metal pipe 13, and a first maintenance ball valve 15 is disposed on a channel of the first sonic ash remover 14. Similarly, the other end of the main air supply line 11 is connected to a second sonic ash remover 18 via a second solenoid valve 16 and a second stainless steel flexible pipe 17, and a second maintenance ball valve 19 is provided in a passage of the second sonic ash remover 18.
And further improving the cleaning power of the sound wave ash cleaning device for removing the deposited ash in the self-cleaning filter system, as shown in fig. 2, a third sound wave ash cleaning unit and a fourth sound wave ash cleaning unit are arranged in the direction perpendicular to the connecting axis of the first sound wave ash cleaning unit and the second sound wave ash cleaning unit. Furthermore, the axes of the third and fourth sonic ash removal units are perpendicular to the connecting axis of the first and second sonic ash removal units, and the third sonic ash removal unit comprises a third sonic ash removal device 20 and a third maintenance ball valve 21; the fourth sonic ash removal unit comprises a fourth sonic ash removal device 22 and a fourth maintenance ball valve 23. The four sound wave ash cleaning units form plane symmetry, and then form a stable and efficient ash cleaning array.
FIG. 3 shows a schematic diagram of the sound wave ash remover, and FIG. 4 shows a schematic diagram of the sound wave ash remover with the diaphragm pressed, and FIG. 5 shows a schematic diagram of the sound wave ash remover forming high energy sound wave. The first sonic ash remover 14, the second sonic ash remover 18, the third sonic ash remover 20 and the fourth sonic ash remover 22 are all the sonic ash removers shown in fig. 3, the sonic ash removers convert the kinetic energy of pressure gas (compressed air, nitrogen and the like) into the wave energy of sound waves, and the accumulated dust is displaced and leaves the original position by utilizing the wave energy of the sound waves, so that the aims of removing the accumulated dust and dredging are fulfilled.
Each acoustic wave ash cleaner comprises a breathing port 31, a diaphragm 32 and a compressed air inlet 33, and under a normal working state, the diaphragm is arranged on a vertical through path of the breathing port and keeps a certain distance from the breathing port; the compressed air inlet is arranged in the vertical direction of the side surface of the diaphragm and is respectively positioned at the two sides of the diaphragm together with the breathing port. The breathing mouth intercommunication low frequency is gaseous, and the breathing mouth is the inlet port of low frequency gas promptly, and the low frequency gas that gets into the breathing mouth makes the diaphragm produce the vibration. Further, as shown in FIG. 4, the sonic ash cleaner includes a primary chamber 34 for compressed gas and a secondary chamber 35, the primary chamber being directly connected to the compressed air inlet, the top of the secondary chamber 35 being in contact with the diaphragm in the normal mode. Compressed air with certain pressure enters the primary cavity through the compressed air inlet so that the diaphragm is bent, and under the condition that the diaphragm is bent, the compressed air enters the secondary cavity through a gap between the diaphragm and the top of the secondary cavity; when the diaphragm vibrates at low frequency, i.e. the diaphragm contracts, the air beam entering the secondary cavity quickly leaves the sound tube (see fig. 3), and forms low-frequency high-energy sound waves through the amplification effect of the sound tube.
In a preferred embodiment, the technical parameters adopted by the acoustic wave ash removing device for the normal-low pressure coal gas self-cleaning filter system are as follows:
the fundamental frequency is 100-125HZ; the sound pressure level at the outlet of the sound wave ash remover is more than 145db;
the working temperature is less than 650 ℃; the air supply pressure of the main air supply pipeline is 0.3-0.7Mpa; consumption of gas source: about 3 cubic/min; the action diameter of the sound wave ash cleaner is less than 6 meters.
Based on the embodiments of the present invention, those skilled in the art can make various modifications in form and detail without departing from the technical principles of the present invention, and all belong to the protection scope of the present invention. In addition, the scope of the present invention should not be limited to the specific structures or components or specific parameters set forth below.
Claims (8)
1. A sound wave ash removal device is characterized by being used for a normal-pressure and low-pressure coal gas self-cleaning filter system and comprising a main air supply pipeline, a first sound wave ash removal unit and a second sound wave ash removal unit; the main air supply pipeline provides a stable air source for the first sound wave ash removal unit and the second sound wave ash removal unit, and the first sound wave ash removal unit and the second sound wave ash removal unit are opposite to each other for removing ash;
the first sound wave ash cleaning unit consists of a first electromagnetic valve, a first stainless steel metal hose, a first sound wave ash cleaner and a first inspection and maintenance ball valve; the second sonic deashing unit consists of a second electromagnetic valve, a second stainless steel metal hose, a second sonic deashing device and a second inspection and maintenance ball valve;
the first sound wave ash removal unit or the second sound wave ash removal unit is a low-frequency sound wave vibration ash removal device;
one end of the air supply pipeline is connected with a first sound wave ash remover through a first electromagnetic valve and a first stainless steel metal hose, and a first inspection and maintenance ball valve is arranged on a channel of the first sound wave ash remover; the other end of the main air supply pipeline is connected with a second sonic ash remover through a second electromagnetic valve and a second stainless steel metal hose, and a second inspection and maintenance ball valve is arranged on a channel of the second sonic ash remover;
each sound wave ash cleaner comprises a breathing port, a diaphragm and a compressed air inlet, wherein the diaphragm is arranged on a vertical through path of the breathing port, and a certain distance is kept between the diaphragm and the breathing port; the compressed air inlet is arranged in the vertical direction of the side surface of the diaphragm and is respectively positioned at the two sides of the diaphragm together with the breathing port.
2. The sonic ash cleaner of claim 1 wherein the sonic ash cleaner comprises a primary chamber for compressed gas and a secondary chamber, the primary chamber being directly connected to the compressed air inlet, the top of the secondary chamber being in contact with the diaphragm in the normal mode.
3. The sonic ash removal device of claim 2 wherein a third sonic ash removal unit and a fourth sonic ash removal unit are disposed in a direction perpendicular to the axis connecting the first sonic ash removal unit and the second sonic ash removal unit.
4. The sonic ash removal device of claim 3 wherein the axes of the third and fourth sonic ash removal units are perpendicular to the axis connecting the first and second sonic ash removal units.
5. The sonic ash removal device of claim 4 wherein the third sonic ash removal unit comprises a third sonic ash removal device and a third service ball valve; and the fourth sound wave ash removal unit comprises a fourth sound wave ash removal device and a fourth inspection and maintenance ball valve.
6. The sonic ash removal device of claim 5, wherein the first sonic ash removal unit, the second sonic ash removal unit, the third sonic ash removal unit and the fourth sonic ash removal unit form plane symmetry, thereby forming a stable and efficient ash removal array.
7. The sonic ash cleaner of claim 5 wherein the sound pressure level at the outlet of the sonic ash cleaner is greater than 145db.
8. The sonic ash cleaner of claim 5 wherein the main gas supply line has a gas supply pressure of 0.3 to 0.7Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221480756.7U CN218119784U (en) | 2022-06-15 | 2022-06-15 | Sound wave ash removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221480756.7U CN218119784U (en) | 2022-06-15 | 2022-06-15 | Sound wave ash removal device |
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| Publication Number | Publication Date |
|---|---|
| CN218119784U true CN218119784U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221480756.7U Active CN218119784U (en) | 2022-06-15 | 2022-06-15 | Sound wave ash removal device |
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| CN (1) | CN218119784U (en) |
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2022
- 2022-06-15 CN CN202221480756.7U patent/CN218119784U/en active Active
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