CN217816816U

CN217816816U - Furnace wall interface device of rotary soot blower

Info

Publication number: CN217816816U
Application number: CN202222141436.5U
Authority: CN
Inventors: 吴喆; 刘佰万
Original assignee: Jingshan Huaxiang Machinery Co ltd
Current assignee: Jingshan Huaxiang Machinery Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-11-15
Anticipated expiration: 2032-08-15

Abstract

The utility model relates to an equipment blows grey technical field, discloses a rotation type soot blower's brickwork interface arrangement, the outside of admission line is just being equipped with seal ring mechanism to closing the pot head of flange seat, the top of admission line is located one end position department and is connected with the interface pipeline, and the inboard of admission line is located other end position department and is provided with the bearing housing, the inboard of bearing housing is run through the block and is had the conduction pipeline, the inlet port and the transmission shaft fixed connection of conduction pipeline, the one end output of vertical drive shaft is provided with the drive gear with drive gear engaged with. The utility model discloses replaced the form of traditional single direction jetting pipeline, through the jetting subassembly of rotatable swing jetting direction, under drive assembly's synchronous drive, the deposition in each position can be integrated, the soot blowing work is blown in step to boiler equipment in one of them side, improves the high efficiency of boiler equipment deashing, and on the other hand can reduce the installation quantity of soot blower.

Description

Furnace wall interface device of rotary soot blower

Technical Field

The utility model relates to an equipment blows grey technical field, specifically is a brickwork interface arrangement of rotation type soot blower.

Background

During the operation of a boiler, ash deposition and coking on a heating surface are the most common phenomena, under the condition of slight ash deposition, the additional thermal resistance brought by an ash deposition layer can also seriously affect the transmission of heat inside and outside the heating surface of the boiler, so that the exhaust gas temperature is increased, the thermal efficiency of the boiler is reduced, and the ash deposition further causes high and low temperature corrosion on the heating surface, the boiler tube has frequent explosion and leakage phenomena, and even is forced to shut down for cleaning and tube explosion when the boiler is serious, so that the operation period is greatly shortened.

For example, the chinese patent network discloses a furnace wall interface device (publication No. CN 211450966U) for a fixed rotary soot blower, which provides a stable and easily detachable support point for the soot blower and has a good sealing effect. However, in the installation and use process of the furnace wall interface device, the gas conduction performance is single, the blowing operation can be performed only in a limited position inside the boiler equipment, a plurality of soot blowers need to be installed to perform all-around soot blowing operation on the boiler equipment, and the installation cost is very easy to increase. Accordingly, one skilled in the art has provided a furnace wall interface device for a rotary sootblower that solves the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a furnace wall interface arrangement of rotation type soot blower to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a furnace wall interface device of a rotary soot blower is composed of a blowing assembly and a driving assembly;

the blowing assembly comprises an air inlet pipeline, a flange seat is arranged at the middle position of the outer side of the air inlet pipeline, a sealing washer mechanism is sleeved on the outer side of the air inlet pipeline opposite to the involutive end of the flange seat, a connector pipeline is connected with one end position above the air inlet pipeline, a bearing sleeve is arranged at the other end position of the inner side of the air inlet pipeline, a conduction pipeline is clamped on the inner side of the bearing sleeve in a penetrating manner, and an air inlet port of the conduction pipeline is fixedly connected with a transmission shaft;

the drive assembly comprises a drive box body fixed at one end of the air inlet pipeline and a transmission gear arranged at the output end of one end of the transmission shaft, the inner side of the drive box body is located at the top end and is rotatably connected with a transverse drive shaft, the inner side of the drive box body is just connected with a longitudinal drive shaft in a rotating mode below the transverse drive shaft, and the output end of one end of the longitudinal drive shaft is provided with a drive gear meshed with the transmission gear.

As a further aspect of the present invention: the sealing washer mechanism comprises a sealing washer, negative pressure emptying grooves are symmetrically formed in two side plate surfaces of the sealing washer, and reinforcing rib rings are symmetrically wrapped and sleeved in the sealing washer.

As a further aspect of the present invention: the negative pressure emptying grooves and the reinforcing rib rings are the same in number and correspond to each other one by one.

As a further aspect of the present invention: the output end of one end of the transverse driving shaft is provided with a driving motor, the output end of the middle part of the transverse driving shaft is provided with a transmission worm, and the output end of the middle part of the longitudinal driving shaft is provided with a transmission worm wheel meshed with the transmission worm.

As a further aspect of the present invention: the size of the fluted disc of the driving gear is one half of that of the fluted disc of the transmission gear, and teeth of the driving gear are symmetrically arranged at an included angle of ninety degrees.

As a further aspect of the present invention: an arm power support is installed at an air inlet port of the conduction pipeline, and the conduction pipeline is fixedly connected with the transmission shaft through the arm power support.

As a further aspect of the present invention: the air outlet port of the guide pipeline is connected with a blowing pipe orifice which is of an arc-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses replaced the form of traditional single direction jetting pipeline, through the jetting subassembly of rotatable swing jetting direction, under drive assembly's synchronous drive, the deposition in each position can be integrated, the soot blowing work is blown in step to boiler equipment in one of them side, improves the high efficiency of boiler equipment deashing, and on the other hand can reduce the installation quantity of soot blower, saves installation cost.

Drawings

FIG. 1 is a schematic structural view of a furnace wall interface of a rotary sootblower;

FIG. 2 is a schematic diagram of a blowing assembly in a wall interface of a rotary sootblower;

FIG. 3 is a schematic diagram of a drive assembly in a furnace wall interface for a rotary sootblower.

FIG. 4 is a schematic view of a sealing washer mechanism in a wall interface of a rotary sootblower.

In the figure: 1. an air intake duct; 2. an interface conduit; 3. a driving box body; 4. a drive motor; 5. a flange seat; 6. a gasket mechanism; 61. a seal ring; 62. an evacuation tank; 63. reinforcing rib rings; 7. a pipeline is communicated; 8. a blowing pipe orifice; 9. a bearing housing; 10. an arm force support; 11. a drive shaft; 12. a transmission gear; 13. a transverse drive shaft; 14. a drive worm; 15. a drive worm gear; 16. a longitudinal drive shaft; 17. the gears are driven.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, an interface device of a furnace wall of a rotary soot blower comprises a blowing assembly and a driving assembly, the blowing assembly includes an air inlet pipe 1, a flange seat 5 is disposed at a middle position of an outer side of the air inlet pipe 1, a sealing washer mechanism 6 is sleeved on an end of the air inlet pipe 1 opposite to the flange seat 5, the sealing washer mechanism 6 includes a sealing washer 61, negative pressure emptying slots 62 are symmetrically disposed on two side panels of the sealing washer 61, reinforcing ribs 63 are symmetrically wrapped and sleeved on an inner portion of the sealing washer 61, the negative pressure emptying slots 62 and the reinforcing ribs 63 are the same in number, and the negative pressure emptying slots 62 and the reinforcing ribs 63 are in one-to-one correspondence with each other, when the furnace wall interface device is installed and used, the air inlet pipe 1 near one end of a conducting pipe 7 is installed in an interface end of a boiler device, meanwhile, the flange seat 5 and the interface end are oppositely pressed and fixed, the sealing washer mechanism 6 is extruded while the flange seat 5 and the interface end are oppositely pressed and fixed, the sealing connection between the furnace wall interface device and boiler equipment is improved through the gasket of the sealing washer mechanism 6, in the extrusion process, air in the negative pressure emptying groove 62 on the end face of the sealing ring 61 is extruded out, the negative pressure emptying groove 62 is enabled to form a negative pressure state, the negative pressure is sucked on the flange seat 5 and the interface end to improve the sealing connection performance between the flange seat 5 and the interface end, and meanwhile, under the deformation extrusion of the negative pressure emptying groove 62, the hoop positioning of the reinforcing rib ring 63 is realized, the stability of the deformation of the negative pressure emptying groove 62 can be improved, the irregular deformation condition is avoided, and after the installation of the furnace wall interface device is finished, the blowing pipe orifice of the rotary soot blower is communicated with the interface pipeline 2.

The driving component comprises a driving box body 3 fixed at one end of the air inlet pipeline 1 and a transmission gear 12 arranged at the output end of one end of a transmission shaft 11, the inner side of the driving box body 3 at the top end is rotatably connected with a transverse driving shaft 13, and the inner side of the driving box body 3 is connected with a longitudinal driving shaft 16 in a rotating way under the transverse driving shaft 13, the output end of one end of the longitudinal driving shaft 16 is provided with a driving gear 17 meshed with the transmission gear 12, the output end of one end of the transverse driving shaft 13 is provided with a driving motor 4, and the middle output end of the transverse driving shaft 13 is provided with a transmission worm 14, the middle output end of the longitudinal driving shaft 16 is provided with a transmission worm wheel 15 meshed with the transmission worm 14, the size of the fluted disc of the driving gear 17 is one half of that of the fluted disc of the transmission gear 12, and the teeth of the driving gear 17 are symmetrically arranged at an included angle of ninety degrees, when the rotary soot blower is used for blowing soot in boiler equipment, the rotary soot blower works to convey high-pressure gas into the gas inlet pipeline 1 through the interface pipeline 2 and then discharge the high-pressure gas through the guide pipeline 7, soot blowing is carried out on soot deposited inside the boiler equipment, and simultaneously, the motor 4 is driven to drive the transverse driving shaft 13 to rotate, the driving worm 14 is synchronously driven to rotate, the longitudinal driving shaft 16 is driven to rotate through the meshing transmission of the transmission worm 14 and the transmission worm wheel 15, and during the rotation process of the longitudinal driving shaft 16, drives the driving gear 17 to rotate, then pushes the transmission gear 12 to rotate intermittently through the meshing transmission of the teeth arranged at an included angle of ninety degrees on the driving gear 17 and the transmission gear 12, synchronously pushes the transmission shaft 11 to rotate intermittently, so that the conduction pipeline 7 keeps intermittent rotation, and the flexibility and multilaterality of soot blowing of boiler equipment are improved.

The top of admission line 1 is located one end position department and is connected with interface pipeline 2, and the inboard of admission line 1 is located another end position department and is provided with bearing housing 9, the inboard of bearing housing 9 runs through the block and has conduction pipeline 7, the inlet port and the transmission shaft 11 fixed connection of conduction pipeline 7, arm power support 10 is installed to the inlet port of conduction pipeline 7, and conduction pipeline 7 passes through arm power support 10 and transmission shaft 11 fixed connection, the port of giving vent to anger of conduction pipeline 7 is connected with the jetting mouth of pipe 8, the jetting mouth of pipe 8 is the arc structure, transmission shaft 11 is at the rotatory in-process of intermittent type, promote the synchronous intermittent type formula of conduction pipeline 7 and rotate, the jetting mouth of pipe 8 through its port of giving vent to anger, carry out omnidirectional soot blowing work to the deposition in each position inside boiler equipment, the high efficiency of boiler equipment deashing is improved, can reduce the installation quantity of soot blower simultaneously, installation cost is saved.

The utility model discloses a theory of operation is: when the boiler wall interface device is installed and used, an air inlet pipeline 1 close to one end of a guide pipeline 7 is installed into a connector end of boiler equipment, a flange seat 5 and the connector end are pressed and fixed oppositely, a sealing washer mechanism 6 is extruded while the flange seat and the connector end are pressed and fixed oppositely, the sealing washer mechanism 6 is lined, the sealing connection performance of the boiler wall interface device and the boiler equipment is improved, after the boiler wall interface device is installed, a blowing pipe opening of a rotary soot blower is communicated with an interface pipeline 2, when the rotary soot blower is used for soot blowing work on soot deposition in the boiler equipment, the rotary soot blower works, high-pressure gas is conveyed into the air inlet pipeline 1 through the interface pipeline 2 and then is discharged through the guide pipeline 7 to blow the soot deposition in the boiler equipment, and simultaneously during soot blowing, a driving motor 4 drives a transverse driving shaft 13 to rotate, a synchronous worm driving shaft 14 to rotate, a transmission worm transmission 14 is meshed with a transmission worm transmission gear 15 to drive a longitudinal driving shaft 16 to rotate, the longitudinal driving shaft 16 to rotate in the rotating process, then the nozzle 17 is driven to rotate, the driving shaft 17 to rotate, and then the intermittent transmission gear 12 of the transmission gear is synchronously pushed to rotate in the intermittent transmission of the intermittent blowing work process, and the intermittent transmission gear 11 of the intermittent soot blowing device, and the intermittent transmission gear to synchronously push the intermittent blowing device to synchronously push the intermittent blowing work.

The above-mentioned, 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

1. The furnace wall interface device of the rotary soot blower is characterized in that the interface device consists of a blowing component and a driving component;

the blowing assembly comprises an air inlet pipeline (1), a flange seat (5) is arranged at the position, located in the middle, of the outer side of the air inlet pipeline (1), a sealing washer mechanism (6) is sleeved at the opposite end, opposite to the flange seat (5), of the outer side of the air inlet pipeline (1), an interface pipeline (2) is connected to the position, located at one end, above the air inlet pipeline (1), a bearing sleeve (9) is arranged at the position, located at the other end, of the inner side of the air inlet pipeline (1), a conduction pipeline (7) penetrates through and is clamped in the inner side of the bearing sleeve (9), and an air inlet port of the conduction pipeline (7) is fixedly connected with a transmission shaft (11);

the drive assembly comprises a drive box body (3) fixed at one end of the air inlet pipeline (1) and a transmission gear (12) arranged at one end output end of a transmission shaft (11), the inner side of the drive box body (3) is located at the top end position and is connected with a transverse drive shaft (13) in a rotating mode, the inner side of the drive box body (3) is just connected with a longitudinal drive shaft (16) in a rotating mode below the transverse drive shaft (13), and one end output end of the longitudinal drive shaft (16) is provided with a drive gear (17) meshed with the transmission gear (12).

2. The furnace wall interface device of the rotary soot blower as claimed in claim 1, wherein the sealing washer mechanism (6) comprises a sealing washer (61), two side plates of the sealing washer (61) are symmetrically provided with negative pressure evacuation grooves (62), and the sealing washer (61) is symmetrically wrapped and sleeved with a reinforcing rib ring (63).

3. The furnace wall interface device of a rotary soot blower according to claim 2, wherein the number of the negative pressure emptying grooves (62) and the number of the reinforcing rib rings (63) are the same, and the negative pressure emptying grooves (62) and the reinforcing rib rings (63) are in one-to-one correspondence with each other.

4. The furnace wall interface device of the rotary soot blower of claim 1, wherein the output end of one end of the transverse driving shaft (13) is provided with a driving motor (4), the output end of the middle part of the transverse driving shaft (13) is provided with a driving worm (14), and the output end of the middle part of the longitudinal driving shaft (16) is provided with a driving worm wheel (15) meshed with the driving worm (14).

5. The furnace wall interface device of the rotary soot blower of claim 1, wherein the size of the fluted disc of the driving gear (17) is half of the size of the fluted disc of the transmission gear (12), and the teeth of the driving gear (17) are symmetrically arranged at an included angle of ninety degrees.

6. The furnace wall interface device of the rotary soot blower of claim 1, wherein the air inlet port of the conducting pipe (7) is provided with an arm force bracket (10), and the conducting pipe (7) is fixedly connected with the transmission shaft (11) through the arm force bracket (10).

7. The furnace wall interface device of the rotary soot blower according to claim 1, wherein the air outlet port of the conduit (7) is connected with a blowing nozzle (8), and the blowing nozzle (8) has an arc-shaped structure.