CN217207025U - Ventilation structure of steam-electricity dual-drive draught fan exhaust pipeline - Google Patents
Ventilation structure of steam-electricity dual-drive draught fan exhaust pipeline Download PDFInfo
- Publication number
- CN217207025U CN217207025U CN202121970282.XU CN202121970282U CN217207025U CN 217207025 U CN217207025 U CN 217207025U CN 202121970282 U CN202121970282 U CN 202121970282U CN 217207025 U CN217207025 U CN 217207025U
- Authority
- CN
- China
- Prior art keywords
- pipe
- sleeve
- ventilation structure
- connecting pipe
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a vapour electricity dual drive draught fan exhaust duct ventilation structure, including the air-supply line, the air-supply line upper end fixedly connected with protecting sheathing, the top fixedly connected with play tuber pipe of protecting sheathing, the protecting sheathing is inside to be seted up the cavity, be connected with the inner shell on the cavity inner wall, the through-hole has been seted up to the bottom of inner shell, be connected with the connecting pipe on the inner wall of through-hole, the inner shell is connected with the mounting panel at the other end of keeping away from the connecting pipe, be connected with automatic ventilation unit on the mounting panel; the utility model discloses being connected with ventilation structure between air-supply line and third tuber pipe, through the setting of spout and slider, making connecting pipe and sleeve pipe sliding connection, preventing peak or elbow on the pipeline or having the place that closes the gas, getting rid of intraductal gas mediation pipeline, adopted automatic ventilation unit, avoided the pipeline not smooth pipe explosion phenomenon that the high pressure caused of pressure frequently to take place, influence exhaust system's safety and steady operation.
Description
Technical Field
The utility model relates to a ventilation structure technical field especially relates to a vapour electricity dual drive draught fan exhaust duct ventilation structure.
Background
The induced draft fan is a device which generates negative pressure through rotation of an impeller and further extracts air from a system (device), is generally arranged at the tail end of a boiler and is used for extracting hot flue gas in a hearth, and in daily life, the induced draft fan is generally divided into the induced draft fan (used under negative pressure) and the blower (used under positive pressure) according to different positive and negative pressure use modes, and the induced draft fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilating and air inducing of boilers and industrial kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion. The working principle of the induced draft fan is basically the same as that of a turbo compressor, but the induced draft fan does not change pressure greatly due to low gas flow rate, and generally does not need to consider the change of specific volume of gas, namely, the gas is treated as incompressible fluid
The ventilation structure is an essential auxiliary element in a pipeline system, and is widely applied to the highest point or an elbow on a pipeline or a place with closed gas to exhaust gas in the pipeline to dredge the pipeline, so that normal work is achieved, the phenomenon of pipe explosion caused by unsmooth exhaust of the pipeline and overhigh pressure is frequent, the economic loss is large, and the safe and stable operation of an exhaust system is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a ventilation structure of a steam-electricity dual-drive draught fan exhaust pipeline.
In order to realize the purpose, the utility model adopts the following technical scheme:
a ventilation structure of an exhaust pipeline of a steam-electricity dual-drive induced draft fan comprises an air inlet pipe, wherein the upper end of the air inlet pipe is fixedly connected with a protective shell, the top end of the protective shell is fixedly connected with an air outlet pipe, a cavity is formed in the protective shell, and the inner wall of the cavity is fixedly connected with an inner shell;
the inner shell is internally provided with a cavity, the bottom end of the inner shell is provided with a through hole, the inner wall of the through hole is fixedly connected with a connecting pipe and extends into the inner shell, the inner shell is fixedly connected with a mounting plate at the other end far away from the connecting pipe, and the mounting plate is fixedly connected with an automatic ventilation device.
Preferably, the ventilation mechanism comprises a telescopic rod, a spring, a sleeve and an air hole; one end of the telescopic rod is fixedly connected with the mounting plate, one end of the telescopic rod, which is far away from the mounting plate, is fixedly connected with the sleeve, the spring is sleeved on the outer wall of the telescopic rod, and the air hole is formed in the sleeve.
Preferably, the mounting plate is provided with six air outlets.
Preferably, one end of the spring is in contact with the mounting plate, and the other end of the spring is in contact with the sleeve.
Preferably, the connecting pipe and the sleeve are arranged in a sliding manner, and the connecting pipe and the sleeve are arranged in close contact.
Preferably, a sliding groove is formed in the outer wall of the connecting pipe, a sliding block is fixedly connected to the inner wall of the sleeve, the sliding groove is the same as the sliding block in size, and the connecting pipe and the sleeve are in sliding connection with the sliding block through the sliding groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a vapour electricity dual drive draught fan exhaust duct ventilation structure is connected with ventilation structure between air-supply line and the third tuber pipe, through the setting of spout and slider, makes sliding connection between connecting pipe and the sleeve pipe, prevents peak or elbow on the pipeline or has the place of gas lock, gets rid of intraductal gas and dredges the pipeline.
2. The utility model provides a vapour electricity dual drive draught fan exhaust duct ventilation structure, automatic ventilation unit has been adopted, when the internal gas pressure of exhaust duct is too high, through atmospheric pressure compression sleeve pipe, the sleeve pipe slides and the separation of connecting pipe slip, make the wind hole ventilation exhaust that sets up on the sleeve pipe, the pipe explosion phenomenon of having avoided the pipeline not smooth pressure too high to cause frequently takes place, it is big to cause economic loss, and influence exhaust system's safety and steady operation, setting through telescopic link and spring, make the wind hole when the exhaust is over, the wind pressure reduces the spring and recovers, it cup joints the wind hole and closes to make the sleeve pipe slip and connecting pipe slip.
Drawings
Fig. 1 is a schematic structural view of a ventilating structure of an exhaust duct of a steam-electric dual-drive induced draft fan provided by the present invention;
fig. 2 is a schematic cross-sectional structural view of a ventilation structure of an exhaust duct of a steam-electric dual-drive induced draft fan provided by the present invention;
fig. 3 is a schematic structural view of an inner shell in the ventilating structure of the exhaust duct of the steam-electric dual-drive induced draft fan provided by the present invention;
fig. 4 is a schematic structural view of a sleeve in the ventilating structure of the exhaust duct of the steam-electric dual-drive induced draft fan provided by the present invention;
fig. 5 is a schematic structural diagram of a connecting pipe in a ventilation structure of a steam-electricity dual-drive draught fan exhaust duct provided by the utility model.
In the figure: 1. an air inlet pipe; 2. a protective housing; 3. an air outlet pipe; 4. an inner shell; 5. a through hole; 6. a connecting pipe; 7. mounting a plate; 8. a telescopic rod; 9. a spring; 10. a sleeve; 11. and (4) air holes.
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.
Referring to fig. 1-5, the ventilation structure of the exhaust pipeline of the steam-electricity dual-drive induced draft fan comprises an air inlet pipe 1, wherein the upper end of the air inlet pipe 1 is fixedly connected with a protective shell 2, the top end of the protective shell 2 is fixedly connected with an air outlet pipe 3, a cavity is formed in the protective shell 2, and the inner wall of the cavity is fixedly connected with an inner shell 4;
referring to fig. 2 and 3, a cavity is formed inside the inner shell 4, a through hole 5 is formed in the bottom end of the inner shell 4, a connecting pipe 6 is fixedly connected to the inner wall of the through hole 5 and extends into the inner shell 4, an installing plate 7 is fixedly connected to the other end, away from the connecting pipe 6, of the inner shell 4, and an automatic ventilation device is fixedly connected to the installing plate 7.
It should be noted that the utility model provides a vapour electricity dual drive draught fan exhaust duct ventilation structure is connected with ventilation structure between air-supply line 1 and third tuber pipe 3, through the setting of spout and slider, makes sliding connection between connecting pipe 6 and the sleeve pipe 10, prevents peak or elbow on the pipeline or has the place of gas lock, and the gas of getting rid of intraductal dredges the pipeline.
Referring to fig. 4 and 5, the ventilation mechanism comprises a telescopic rod 8, a spring 9, a sleeve 10 and a wind hole 11; one end and the mounting panel 7 fixed connection of telescopic link 8, telescopic link 8 are keeping away from mounting panel 7's one end and sleeve pipe 10 fixed connection, and spring 9 cup joints on the outer wall of telescopic link 8, and wind hole 11 is seted up on sleeve pipe 10.
It should be noted that, the utility model provides a vapour electricity dual drive draught fan exhaust duct ventilation structure, automatic ventilation unit has been adopted, when the internal gas pressure of exhaust duct is too high, through atmospheric pressure compression sleeve pipe 10, make sleeve pipe 10 compress the shrink of telescopic link 8, telescopic link 8 makes the spring 9 compression that sets up between sleeve pipe 10 slip and the connecting pipe 6, make sleeve pipe 10 slip and the separation of connecting pipe 6 slip, make the ventilation exhaust of the wind hole 11 that sets up on the sleeve pipe 10, the pipe explosion phenomenon that has avoided the pipeline not smooth pressure too high to cause frequently takes place, it is big to cause economic loss, and influence exhaust system's safety and steady operation.
Wherein, the mounting panel 7 is provided with six air outlets.
Wherein, spring 9 one end sets up with mounting panel 7 contact, and spring 9 other end sets up with sleeve pipe 10 contact.
Referring to fig. 2 and 5, the outer wall of the connecting pipe 6 is provided with a chute, the inner wall of the sleeve 10 is fixedly connected with a slide block, the chute is the same as the slide block in size, and the connecting pipe 6 and the sleeve 10 are connected with the slide block in a sliding manner through the chute, so that frequent pipe explosion is avoided, economic loss is high, and the safe and stable operation of an exhaust system is protected.
It should be noted that, the utility model provides a vapour electricity dual drive draught fan exhaust duct ventilation structure, through the setting of telescopic link 8 and spring 9, makes wind hole 11 when the exhaust is ended, and the wind pressure reduces spring 9 and recovers, makes sleeve pipe 10 slide and cup joint wind hole 11 with the slip of connecting pipe 6 and close.
Wherein, the connecting pipe 6 and the sleeve 10 are arranged in a sliding manner, and the connecting pipe 6 and the sleeve 10 are arranged in a close contact manner.
The utility model discloses its functional principle is explained to the following mode of operation of well accessible:
the utility model provides a vapour electricity dual drive draught fan exhaust duct ventilation structure is connected with ventilation structure between air-supply line 1 and third tuber pipe 3, through the setting of spout and slider, makes sliding connection between connecting pipe 6 and the sleeve pipe 10, prevents peak or elbow on the pipeline or has the place of stopping the gas, gets rid of intraductal gas and dredges the pipeline.
The utility model provides a vapour electricity dual drive draught fan exhaust duct ventilation structure, automatic ventilation unit has been adopted, when the internal gas pressure of exhaust duct is too high, through atmospheric pressure compression sleeve pipe 10, sleeve pipe 10 slides and the separation of 6 slides of connecting pipe, make the wind hole 11 ventilation exhaust that sets up on the sleeve pipe 10, the pipe explosion phenomenon of having avoided the too high pressure of pipeline exhaust to cause frequently takes place, it is big to cause economic loss, and influence exhaust system's safety and steady operation, setting through telescopic link 8 and spring 9, make wind hole 11 when the exhaust is over, the wind pressure reduces spring 9 and recovers, it cup joints wind hole 11 and closes to make sleeve pipe 10 slide and connecting pipe 6 slides.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The ventilation structure of the exhaust pipeline of the steam-electricity dual-drive induced draft fan comprises an air inlet pipe (1), and is characterized in that the upper end of the air inlet pipe (1) is fixedly connected with a protective shell (2), the top end of the protective shell (2) is fixedly connected with an air outlet pipe (3), a cavity is formed in the protective shell (2), and the inner wall of the cavity is fixedly connected with an inner shell (4);
the cavity has been seted up to inner shell (4) inside, through-hole (5) have been seted up to the bottom of inner shell (4), fixedly connected with connecting pipe (6) on the inner wall of through-hole (5) to extend to in inner shell (4), other end fixedly connected with mounting panel (7) of connecting pipe (6) are being kept away from in inner shell (4), fixedly connected with ventilation mechanism is gone up in mounting panel (7).
2. The ventilation structure for the exhaust duct of the steam-electric dual-drive induced draft fan according to claim 1, wherein the ventilation structure comprises a telescopic rod (8), a spring (9), a sleeve (10) and an air hole (11); the one end of telescopic link (8) with mounting panel (7) fixed connection, telescopic link (8) are keeping away from the one end of mounting panel (7) with sleeve pipe (10) fixed connection, spring (9) cup joint on the outer wall of telescopic link (8), wind hole (11) are seted up on sleeve pipe (10).
3. The ventilation structure of the exhaust pipeline of the steam-electricity dual-drive induced draft fan according to claim 1, wherein the mounting plate (7) is provided with six air outlets.
4. The ventilation structure for the exhaust duct of the steam-electric dual-drive induced draft fan according to claim 2, wherein one end of the spring (9) is in contact with the mounting plate (7), and the other end of the spring (9) is in contact with the sleeve (10).
5. The ventilation structure of the exhaust duct of the steam-electric dual-drive induced draft fan according to claim 2, wherein the connecting pipe (6) is slidably arranged with the sleeve (10), and the connecting pipe (6) is closely contacted with the sleeve (10).
6. The ventilation structure for the exhaust duct of the steam-electric dual-drive induced draft fan according to claim 5, wherein a sliding groove is formed in the outer wall of the connecting pipe (6), a sliding block is fixedly connected to the inner wall of the sleeve (10), the sliding groove and the sliding block are the same in size, and the connecting pipe (6) and the sleeve (10) are in sliding connection with the sliding block through the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121970282.XU CN217207025U (en) | 2021-08-20 | 2021-08-20 | Ventilation structure of steam-electricity dual-drive draught fan exhaust pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121970282.XU CN217207025U (en) | 2021-08-20 | 2021-08-20 | Ventilation structure of steam-electricity dual-drive draught fan exhaust pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217207025U true CN217207025U (en) | 2022-08-16 |
Family
ID=82751518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121970282.XU Active CN217207025U (en) | 2021-08-20 | 2021-08-20 | Ventilation structure of steam-electricity dual-drive draught fan exhaust pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217207025U (en) |
-
2021
- 2021-08-20 CN CN202121970282.XU patent/CN217207025U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108050288A (en) | A kind of cogeneration large high-temperature double containment smoke valve | |
| CN205127615U (en) | Dust exhausting fan discharges fume | |
| CN217207025U (en) | Ventilation structure of steam-electricity dual-drive draught fan exhaust pipeline | |
| CN209818365U (en) | Fan convenient to connect air pipe | |
| CN201363906Y (en) | Gas water heater with flue blockage protection device | |
| CN207961692U (en) | A kind of cogeneration large high-temperature double containment smoke valve | |
| CN217783872U (en) | Noise reduction device for boiler induced draft fan | |
| CN211082413U (en) | Fan filter device | |
| CN203906388U (en) | Axial-flow centrifugal fan | |
| CN208720438U (en) | A kind of substation's electric equipment compartment air exhausting device for preventing dust storm from flowing backward | |
| CN216384252U (en) | Vapour electricity dual drive draught fan flue of reduction flue gas system resistance | |
| CN202628627U (en) | Injection-type bladeless smoke ventilator | |
| CN2218846Y (en) | High temperature fire-extinguishing smoke exhausting fan | |
| CN206889208U (en) | A kind of skid-mounted type natural gas compressor | |
| CN211634330U (en) | Moxibustion cabin with exhaust system down of non-staining exhaust fan blade | |
| CN217999953U (en) | Draught fan wheel hub cover based on high-temperature flue gas conveying | |
| CN205154760U (en) | Smoke exhaust fan structure | |
| CN214660511U (en) | PG9171E type gas turbine oil mist separator system | |
| CN211462667U (en) | Main induced draft fan for flue gas desulfurization and denitration in coal coke workshop | |
| CN208966716U (en) | A kind of blower muffler being easily installed | |
| CN205064222U (en) | Compressor exhaust device | |
| CN213686901U (en) | High-sealing-degree boiler ventilation fan | |
| CN219453982U (en) | Dry slag discharging and dedusting structure of boiler | |
| CN214577872U (en) | Air suspension centrifugal blower atmospheric valve device | |
| CN216537419U (en) | Automatic cleaning filter screen device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |