CN219934009U - Depressurization orifice plate in flue gas depressurization system - Google Patents

Depressurization orifice plate in flue gas depressurization system Download PDF

Info

Publication number
CN219934009U
CN219934009U CN202321332396.0U CN202321332396U CN219934009U CN 219934009 U CN219934009 U CN 219934009U CN 202321332396 U CN202321332396 U CN 202321332396U CN 219934009 U CN219934009 U CN 219934009U
Authority
CN
China
Prior art keywords
flue gas
depressurization
wall
orifice plate
gas pipeline
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
Application number
CN202321332396.0U
Other languages
Chinese (zh)
Inventor
刘玉龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Hualin Mechanical Equipment Co ltd
Original Assignee
Hebei Hualin Mechanical Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hebei Hualin Mechanical Equipment Co ltd filed Critical Hebei Hualin Mechanical Equipment Co ltd
Priority to CN202321332396.0U priority Critical patent/CN219934009U/en
Application granted granted Critical
Publication of CN219934009U publication Critical patent/CN219934009U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Incineration Of Waste (AREA)

Abstract

The utility model relates to the technical field of pressure reducing pore plates and provides a pressure reducing pore plate in a flue gas pressure reducing system, which comprises a flue gas pipeline, wherein a connecting pipeline is integrally formed on the outer wall of the rear side of the flue gas pipeline, the inner wall of the flue gas pipeline is connected with a fixing frame with a circular cross section, the center part of the fixing frame is fixedly connected with a bearing, the inner wall of the bearing is movably connected with a rotating shaft, the two ends of the rotating shaft respectively extend into the flue gas pipeline and the connecting pipeline, one end of the bearing positioned in the connecting pipeline is connected with a detachable fan group, the outer wall of the bearing positioned in the flue gas pipeline is connected with a spiral blade, the outer wall of the front side of the flue gas pipeline is connected with a flange, the inner wall of the flue gas pipeline is connected with a pressure reducing pore plate body for guiding flue gas, and the pressure reducing pore plate body is positioned at the front side of the fixing frame. Through above-mentioned technical scheme, solved among the prior art, when a large amount of flue gas is in, the difficult discharge of air current depressurization orifice plate that produces causes the problem of flue gas backward flow easily.

Description

Depressurization orifice plate in flue gas depressurization system
Technical Field
The utility model relates to the technical field of depressurization orifice plates, in particular to a depressurization orifice plate in a flue gas depressurization system.
Background
The pressure reducing orifice plate is a concentric orifice plate for restricting the flow of fluid or reducing the pressure of fluid. The pressure drop is generated by the fluid passing through the orifice plate, and the flow rate through the orifice plate increases with the pressure drop.
For example, the chinese patent with application number 202020682945.7, a pressure reducing orifice plate, including the pressure reducing orifice plate, the central point of pressure reducing orifice plate be provided with the orifice, the both sides annular of pressure reducing orifice plate all is provided with four screw hole sites, places sealing gasket in the both sides of pressure reducing orifice plate, sealing gasket on also be provided with four hole sites, when sealing gasket's four hole sites and four screw hole positions of pressure reducing orifice plate align, pack into the screw and fasten, sealing gasket's four hole sites can cooperate to set up and pack into soft stopper. The utility model has the following beneficial effects: the sealing gasket is more convenient to install, the use amount of parts is reduced, the fixing effect is good, and the sealing gasket is convenient to detach and replace.
However, when a large amount of flue gas is introduced, the generated air flow is not easy to be discharged by the pressure reducing orifice plate, and the flue gas is easy to flow back, so that the influence on a user is caused, and therefore, the pressure reducing orifice plate in the flue gas pressure reducing system is proposed.
Disclosure of Invention
The utility model provides a depressurization orifice plate in a smoke depressurization system, which solves the problem that in the related art, when a large amount of smoke is introduced, the generated airflow is not easy to discharge and the smoke is easy to flow back, so that the influence on a user is caused.
The technical scheme of the utility model is as follows:
the utility model provides a step-down orifice plate in flue gas depressurization system, includes flue gas pipeline, flue gas pipeline's rear side outer wall integrated into one piece has connecting tube, flue gas pipeline inner wall is connected with the mount that transversal personally submits circular arrangement, mount center part fixedly connected with bearing, bearing inner wall swing joint has the pivot, the pivot both ends extend to inside flue gas pipeline and connecting tube respectively inside, the bearing is located the inside one end of connecting tube and is connected with the fixed axle, the fixed axle other end is connected with detachable fan group, the bearing is located flue gas pipeline's outer wall connection has helical blade, flue gas pipeline front side outer wall connection has the flange, flue gas pipeline inner wall connection has the step-down orifice plate body of drainage flue gas, step-down orifice plate body is located the front side of mount.
As the preferable mode of the utility model, the pressure reducing orifice plate body comprises pressure reducing plates and guide plates, the pressure reducing plates are hinged with the inner wall of the flue gas pipeline through hinges, the cross sections of the pressure reducing plates are arranged in an arc shape, the cross sections of the guide plates are arranged in a trapezoid shape, the pressure reducing plates and the guide plates are arranged in a round shape in groups of four, and the guide plates are positioned between the pressure reducing plates.
Preferably, each pressure reducing plate is not contacted with each guide plate, and a guide hole is reserved in the center part, and the diameter of the guide hole is the same as that of the rotating shaft.
As the preferable mode of the utility model, the fan set comprises a connecting sleeve and a fixing sleeve, wherein a plurality of fan blades are integrally formed on the outer wall of the connecting sleeve, the fixing sleeve is positioned on the rear side of the connecting sleeve and extends into the connecting sleeve to be in threaded connection, and a threaded lantern ring with a circular cross section is integrally formed on the inner wall of the front side of the connecting sleeve.
Preferably, the front outer wall of the fixing sleeve is provided with an inward concave threaded hole, and the inner wall of the threaded hole is connected with a buffer spring.
In the utility model, preferably, a limiting hole communicated with the threaded hole is formed in the fixing sleeve, and the diameter of the limiting hole is larger than that of the threaded hole and is positioned outside the threaded hole.
As preferable in the utility model, the inner wall of the fixing frame is connected with a filter screen.
As the preferable mode of the utility model, the fixed shaft stretches into the connecting sleeve to be in threaded connection with the threaded collar, extends into the threaded hole to be in threaded connection with the fixed sleeve and is in contact with the buffer spring, a plurality of step holes are symmetrically formed in the outer wall of one end of the fixed shaft, which is positioned in the threaded hole, of the fixed shaft, a telescopic block is connected in the step holes, one end of the telescopic block, which is positioned in the step holes, is connected with the telescopic spring, the other end of the telescopic spring is connected with the inner wall of the step holes, and one end of the telescopic block, which stretches out of the step holes, stretches into the limiting holes to limit.
The working principle and the beneficial effects of the utility model are as follows:
1. according to the utility model, the depressurization plate hinged to the inner wall of the flue gas pipeline is used for driving the depressurization plate to rotate towards the interior of the flue gas pipeline through the reserved diversion holes, so that when a large amount of flue gas floods into the interior of the flue gas pipeline, the diversion holes are enlarged, and the purpose of rapidly draining and discharging the flue gas is realized by being matched with the starting of the fan set;
2. according to the utility model, when a large amount of flue gas is introduced, the spiral blades are driven to rotate through the rotation of the rotating shaft, so that the flue gas flow is spirally outwards led, a large amount of air flow generated by the introduction of a large amount of flue gas is avoided, the damage to internal components is avoided, and the service life is effectively prolonged;
3. according to the utility model, the connecting sleeve is in threaded connection with the connecting sleeve through the fixing sleeve, the connecting sleeve is in threaded connection with the rotating shaft through the internally connected threaded collar, the telescopic block in the stepped hole is utilized, when the telescopic block stretches into the threaded hole, the telescopic block drives the telescopic spring to shrink towards the inside of the stepped hole, when the fixing shaft rotates into the threaded hole, the buffer spring is compressed to deform, so that the stepped hole corresponds to the limiting hole, the telescopic spring rebounds, and the telescopic block stretches into the inside of the limiting hole to be limited and fixed, so that the fan unit is convenient to detach and install, and cleaning and maintenance are convenient.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic diagram of the front view of the guide block of the present utility model;
FIG. 4 is a schematic diagram of the front view of the fixing frame of the present utility model;
FIG. 5 is a schematic cross-sectional view of a stationary shaft according to the present utility model;
FIG. 6 is a schematic diagram of a fan set according to the present utility model;
FIG. 7 is a schematic cross-sectional view of a connecting sleeve according to the present utility model;
FIG. 8 is a schematic cross-sectional view of a retaining sleeve according to the present utility model.
In the figure: 1. a flue gas duct; 2. a pressure reducing orifice plate body; 3. a fan group; 4. a fixing frame; 11. a flange; 12. a connecting pipe; 21. a deflector aperture; 22. a pressure reducing plate; 23. a deflector; 31. a connecting sleeve; 32. a fan blade; 33. a fixed sleeve; 311. a threaded collar; 331. a threaded hole; 332. a buffer spring; 333. a limiting hole; 41. a filter screen; 42. a rotating shaft; 43. a bearing; 44. a fixed shaft; 421. a helical blade; 441. a telescopic block; 442. a step hole; 443. and a telescopic spring.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 4, this embodiment provides a depressurization orifice plate in flue gas depressurization system, including flue gas pipeline 1, flue gas pipeline 1's rear side outer wall integrated into one piece has connecting tube 12, flue gas pipeline 1 inner wall is connected with the mount 4 that the transversal circular arrangement of personally submitting, mount 4 center fixedly connected with bearing 43, bearing 43 inner wall swing joint has pivot 42, pivot 42 both ends extend to inside flue gas pipeline 1 and connecting tube 12 respectively inside, the one end that bearing 42 is located connecting tube 12 inside is connected with fixed axle 44, the fixed axle 44 other end is connected with detachable fan group 3, bearing 43 is located flue gas pipeline 1's outer wall connection has helical blade 421, flue gas pipeline 1 front side outer wall connection has flange 11, flue gas pipeline 1 inner wall is connected with depressurization orifice plate body 2 of drainage flue gas, depressurization orifice plate body 2 is located the front side of mount 4.
In this embodiment, when the flue gas enters the flue gas pipeline 1 through the diversion hole 21, the flue gas is diverted through the spiral blade 421, so that the flue gas is discharged outwards in a spiral shape, and the fan blade 32 is driven to rotate by matching with the rotation of the fan unit 3, so that the flue gas discharge efficiency is improved; and when a large amount of flue gas floods into the flue gas pipeline 1, a large amount of flue gas flows generated by the flue gas drive the pressure reducing plate 22 box flue gas pipeline 1 and do not rotate, so that the diversion holes 21 are expanded, the flue gas is convenient to enter the flue gas pipeline 1, and the flue gas is convenient to safely discharge by utilizing the cooperation of the spiral blades 421 and the fan set 3.
Example 2
As shown in fig. 1 to 4, based on the same concept as that of the above embodiment 1, this embodiment also provides a depressurization orifice plate in a flue gas depressurization system, including a flue gas pipe 1, a connection pipe 12 is integrally formed on the rear side outer wall of the flue gas pipe 1, a fixing frame 4 with a circular cross section is connected to the inner wall of the flue gas pipe 1, a bearing 43 is fixedly connected to the center portion of the fixing frame 4, a rotating shaft 42 is movably connected to the inner wall of the bearing 43, two ends of the rotating shaft 42 respectively extend into the flue gas pipe 1 and the connection pipe 12, one end of the bearing 43 located in the connection pipe 12 is connected with a detachable fan unit 3, the bearing 43 is located in the outer wall of the flue gas pipe 1 and connected with a helical blade 421, a flange 11 is connected to the front side outer wall of the flue gas pipe 1, a depressurization orifice plate body 2 for guiding flue gas is connected to the inner wall of the flue gas, and the depressurization orifice plate body 2 is located at the front side of the fixing frame 4.
As shown in fig. 4 to 8, the pressure reducing orifice plate body 2 comprises pressure reducing plates 22 and guide plates 23, the pressure reducing plates 22 are hinged to the inner wall of the flue gas pipeline 1 through hinges, the cross sections of the pressure reducing plates 22 are arc-shaped, the cross sections of the guide plates 23 are trapezoid-shaped, the pressure reducing plates 22 and the guide plates 23 are arranged in a round mode in a four-by-four mode, the guide plates 23 are positioned between the pressure reducing plates 22, each pressure reducing plate 22 is not contacted with each guide plate 23, a guide hole 21 is reserved in the center, the diameter of the guide hole 21 is the same as that of a rotating shaft 42, the fan set 3 comprises a connecting sleeve 31 and a fixing sleeve 33, a plurality of fan blades 32 are integrally formed on the outer wall of the connecting sleeve 31, the fixing sleeve 33 is positioned at the rear side of the connecting sleeve 31 and extends into the connecting sleeve 31 to be in threaded connection, the inner wall of the front side of the connecting sleeve 31 is integrally formed with a threaded collar 311 with a circular cross section, the outer wall of the front side of the fixed sleeve 33 is provided with an inwards concave threaded hole 331, the inner wall of the threaded hole 331 is connected with a buffer spring 332, the inside of the fixed sleeve 33 is provided with a limiting hole 333 communicated with the threaded hole 331, the diameter of the limiting hole 333 is larger than that of the threaded hole 331 and is positioned at the outer side of the threaded hole 331, the inner wall of the fixed frame 4 is connected with a filter screen 41, the fixed shaft 44 stretches into the connecting sleeve 31 to be in threaded connection with the threaded collar 311 and extends to the inside of the threaded hole 331 to be in threaded connection with the fixed sleeve 33 and contact with the buffer spring 332, the outer wall of one end of the fixed shaft 44 positioned in the threaded hole 331 is symmetrically provided with a plurality of step holes 442, the inside of the step holes 442 is connected with a telescopic block 441, one end of the telescopic block 441 positioned in the step hole 442 is connected with a telescopic spring 443, the other end of the expansion spring 443 is connected with the inner wall of the stepped hole 442, and one end of the expansion block 441 extending out of the stepped hole 442 extends into the limiting hole 333 to limit.
In this embodiment, through fixed sleeve 33 and connecting sleeve 31 threaded connection, be connected connecting sleeve 31 and fixed axle 44, connecting sleeve 31 passes through internally connected's screw thread lantern ring 311 and fixed axle 44 threaded connection, make fixed axle 44 stretch into to the screw hole 331 inside with buffer spring 332 contact, and fixed axle 44 and screw hole 331 threaded connection drive buffer spring 332 and compress, buffer spring 332 produces deformation, make step hole 442 and spacing hole 333 intercommunication, telescopic block 441 stretches into spacing hole 333 inside, spacing fixed, the dismantlement of being convenient for between fan unit 3 and the fixed axle 44, the dismantlement of also being convenient for between the fan unit 3 part is installed simultaneously, the clearance is maintained conveniently.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. The utility model provides a step-down orifice plate among flue gas depressurization system, its characterized in that, including flue gas pipeline (1), the rear side outer wall integrated into one piece of flue gas pipeline (1) has connecting tube (12), flue gas pipeline (1) inner wall connection has transversal mount (4) of personally submitting circular arrangement, mount (4) central part fixedly connected with bearing (43), bearing (43) inner wall swing joint has pivot (42), inside extension to flue gas pipeline (1) and connecting tube (12) are inside respectively in pivot (42) both ends, bearing (43) are located connecting tube (12) inside one end and are connected with fixed axle (44), the fixed axle (44) other end is connected with detachable fan group (3), bearing (43) are located flue gas pipeline (1) outer wall connection has helical blade (421), flue gas pipeline (1) front side outer wall connection has flange (11), flue gas pipeline (1) inner wall connection has step-down orifice plate body (2) of drainage flue gas, step-down orifice plate body (2) are located the front side of mount (4).
2. The depressurization orifice plate in the flue gas depressurization system according to claim 1, wherein the depressurization orifice plate body (2) comprises depressurization plates (22) and guide plates (23), the depressurization plates (22) are hinged to the inner wall of the flue gas pipeline (1) through hinges, the cross sections of the depressurization plates (22) are arranged in an arc shape, the cross sections of the guide plates (23) are arranged in a trapezoid shape, the depressurization plates (22) and the guide plates (23) are arranged in a round shape in groups of four, and the guide plates (23) are located between the depressurization plates (22).
3. The depressurization orifice plate in the flue gas depressurization system according to claim 2, wherein each depressurization plate (22) is not in contact with each deflector (23), and a deflector hole (21) is reserved in a center portion, and the diameter of the deflector hole (21) is the same as the diameter of the rotating shaft (42).
4. The depressurization orifice plate in the flue gas depressurization system according to claim 1, wherein the fan unit (3) comprises a connecting sleeve (31) and a fixing sleeve (33), a plurality of fan blades (32) are integrally formed on the outer wall of the connecting sleeve (31), the fixing sleeve (33) is located on the rear side of the connecting sleeve (31) and stretches into the inner threaded connection of the connecting sleeve (31), and a threaded collar (311) with a circular cross section is integrally formed on the inner wall of the front side of the connecting sleeve (31).
5. The depressurization orifice plate in the flue gas depressurization system as set forth in claim 4 characterized in that an inward recessed threaded hole (331) is provided in the outer wall of the front side of the fixing sleeve (33), and a buffer spring (332) is connected to the inner wall of the threaded hole (331).
6. The depressurization orifice plate in the flue gas depressurization system according to claim 5, characterized in that a limiting hole (333) communicated with the threaded hole (331) is provided inside the fixing sleeve (33), and the diameter of the limiting hole (333) is larger than the diameter of the threaded hole (331) and is located outside the threaded hole (331).
7. The depressurization orifice plate in the flue gas depressurization system as set forth in claim 1, wherein a filter screen (41) is connected to an inner wall of the fixing frame (4).
8. The depressurization orifice plate in the flue gas depressurization system according to claim 1, characterized in that the fixed shaft (44) stretches into the connecting sleeve (31) to be in threaded connection with the threaded collar (311), and extends to the inside of the threaded hole (331) to be in threaded connection with the fixed sleeve (33) and be in contact with the buffer spring (332), one end outer wall of the fixed shaft (44) located in the threaded hole (331) is symmetrically provided with a plurality of step holes (442), the inside of the step holes (442) is connected with a telescopic block (441), one end of the telescopic block (441) located in the step holes (442) is connected with a telescopic spring (443), the other end of the telescopic spring (443) is connected with the inner wall of the step holes (442), and one end of the telescopic block (441) stretching out of the step holes (442) stretches into the inside of the limiting holes (333) to be limited.
CN202321332396.0U 2023-05-29 2023-05-29 Depressurization orifice plate in flue gas depressurization system Active CN219934009U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321332396.0U CN219934009U (en) 2023-05-29 2023-05-29 Depressurization orifice plate in flue gas depressurization system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321332396.0U CN219934009U (en) 2023-05-29 2023-05-29 Depressurization orifice plate in flue gas depressurization system

Publications (1)

Publication Number Publication Date
CN219934009U true CN219934009U (en) 2023-10-31

Family

ID=88496793

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321332396.0U Active CN219934009U (en) 2023-05-29 2023-05-29 Depressurization orifice plate in flue gas depressurization system

Country Status (1)

Country Link
CN (1) CN219934009U (en)

Similar Documents

Publication Publication Date Title
CN209744584U (en) Air purifier
CN107754487B (en) Air purifier
CN214145717U (en) Self-cleaning air filter
CN219934009U (en) Depressurization orifice plate in flue gas depressurization system
CN208997038U (en) Pipeline axis stream high-pressure suction fan
CN210196154U (en) Air purification fan
CN110864305B (en) Zeolite runner for heat accumulating type thermal incinerator
CN204061240U (en) Centrifugal axial-flow blower
CN214370472U (en) Direct-discharging mute integrated cooker capable of changing direction
CN219995403U (en) Wind cabinet assembly
CN219309543U (en) Dust removal cleaning equipment
CN218348725U (en) Bipolar intercepting dynamic centrifugal high-efficiency purification device with strong suction force
CN217502019U (en) Low-noise vortex air pump
CN216241435U (en) Overpressure automatic discharging device for gas compressor testing system
CN217816832U (en) Novel safe flue gas discharging pipeline device
CN219043175U (en) Leakage-proof air treatment circulating pipeline
CN114278592B (en) Multistage filtering dust removal fan
CN216864425U (en) Drawing device based on vortex is spun and is used
CN115531995B (en) Air purification device for sanitation vehicle
CN220834683U (en) Air inlet device of air cooler
CN212055311U (en) Air purification bladeless fan with wind power gathering cover
CN112797464A (en) Direct-discharging mute integrated cooker capable of changing direction
CN214332764U (en) High-efficient flue
CN216790434U (en) Outdoor smoke exhaust device
CN216440862U (en) Box purifier with dustproof diffusion

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant