CN220228214U - Sliding connection device for eliminating pipeline stress for outlet pipeline of sludge gasification furnace - Google Patents

Abstract

The utility model relates to a sliding connection device for eliminating pipeline stress for an outlet pipeline of a sludge gasification furnace, which comprises a first flange plate, a combustion cone arranged at the lower end of a gas inlet cylinder, a second flange plate arranged at the lower end of the combustion cone, a plurality of groups of first through holes uniformly distributed on the first flange plate along the circumference, a plurality of groups of second through holes uniformly distributed on the second flange plate, wherein the first through holes and the second through holes are correspondingly arranged, the diameter of the first through holes is larger than that of the second through holes, a limit hole is formed at the lower end of the second through holes, a bolt is vertically matched in the second through holes, penetrates through the first through holes, a gasket and a nut are matched at the end part of the bolt, and a positioning locking device is arranged in the first through holes.

Description

Sliding connection device for eliminating pipeline stress for outlet pipeline of sludge gasification furnace

Technical Field

The utility model belongs to the technical field of sludge treatment equipment, and particularly relates to a sliding connection device for eliminating pipeline stress for an outlet pipeline of a sludge gasification furnace.

Background

The sludge is composed of solid precipitate substances generated in the water and sewage treatment process, contains a large amount of organic matters, heavy metals, pathogenic bacteria and the like, and can cause serious pollution to the environment without any treatment. The sludge is usually dehydrated, and enters a sludge pyrolysis gasification system for treatment after dehydration is completed, so that combustible gas is generated, and the process steps are as follows: 1. dehydrating the sludge; 2. granulating, airing and transforming the dehydrated sludge, delivering the dried sludge particles into an integrated airtight pyrolysis gasification device, gradually drying, carbonization, gasification and combustion processes of the sludge particles from top to bottom in the integrated airtight pyrolysis gasification device, finally discharging and collecting gas generated in the device through a pipeline, and transforming organic residues and inorganic matters into harmless slag after high-temperature combustion and discharging the harmless slag through a slag discharging port, wherein the reduction, harmless and energy of sludge treatment are realized; effectively avoiding the condition of generating dioxin; the running cost is low, and the automatic running and management can save a great deal of labor cost.

The hot blast stove system is characterized in that combustible gas generated by the sludge pyrolysis gasification system is stably and safely fully combusted in the hot blast stove, and the hot blast stove is designed to be composed of refractory castable, light castable, calcium silicate plates, stove shell steel plates and the like; the combustion chamber is provided with a spark wall to ensure the flame fullness, and the fuel is fully combusted and then is connected into the waste heat boiler at the rear flue of the combustion chamber. Under normal working conditions (the ambient temperature is 20 ℃ and the temperature in the furnace is 1100 ℃), the surface temperature of the equipment after operation is not more than 35 ℃ of the room temperature (or the surface temperature is not more than 60 ℃). The equipment is matched with a hot blast stove, and is of a split structure, and a single hot blast stove is provided with 1 set of natural gas combustion unit and 1 set of sludge pyrolysis gas combustion unit.

The combustible gas is introduced into the inlet end of the hot blast stove system through the outlet of the gasification furnace, namely the sludge pyrolysis gasification unit, but in actual use, the sludge pyrolysis gasification combustion unit is called a burner because the installation mode of the sludge pyrolysis gasification combustion unit on the hot blast stove system is an assembled installation mode, a pipeline with the diameter of 600 is generally connected above the burner and the top of the gasification furnace, so that the gas after pyrolysis gasification is conveyed into the burner above the hot blast stove system through the pipeline, but because the temperature after pyrolysis gasification is very high, the gas pipeline of the gasification furnace is heated, thermal expansion can be generated on the pipeline, the thermal expansion generated by the pipeline is conducted to the burner, so that the pipeline generates stress in the horizontal direction, and the pipeline expansion sliding distance is about 20-30 mm, so that in order to eliminate the pipeline stress, a sliding connection device for eliminating the pipeline stress for the outlet pipeline of the sludge gasification furnace is developed.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a sliding connection device for eliminating pipeline stress for a sludge gasification furnace outlet pipeline, which is used for solving the problem that horizontal pipeline stress is easy to generate at the joint of a burner and a gasification furnace gas pipeline, which is mentioned in the background art, so that the horizontal translation of the burner occurs to cause equipment failure, and simultaneously solving the problem that the positioning and the installation of a burner structure are inconvenient when the pipeline is positioned and installed.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a sludge gasification stove outlet pipe is with sliding connection device who eliminates pipeline stress, includes the gas inlet pipe who is connected with sludge gasification stove outlet pipe, the big dryer subassembly of gas inlet pipe external connection, big dryer subassembly one side intercommunication air-supply line, dryer subassembly in the big dryer subassembly internal connection, a serial communication port, interior dryer subassembly lower extreme installs first ring flange, still including arranging the combustion cone of gas inlet tube lower extreme in, the second ring flange is installed to the combustion cone lower extreme, open along the circumference equipartition on the first ring flange has multiunit first through-hole, the circumference equipartition is opened on the second ring flange has multiunit second through-hole, first through-hole corresponds the setting with the second through-hole, and the diameter of first through-hole is greater than the second through-hole, the lower extreme of second through-hole is opened there is radial rectangle spacing hole that sets up, the vertical cooperation in the second through-hole have the bolt, the bolt head is rectangle structure and cooperates in the rectangle spacing hole, the bolt passes the second through-hole and is provided with packing ring and nut in tip cooperation.

Preferably, an asbestos packing is arranged between the first flange plate and the second flange plate.

Preferably, the lower end of the first flange plate is provided with an annular matching groove, and the upper end of the combustion cone is matched in the matching groove.

Preferably, a positioning locking device is connected in the first through hole, so that the positioning installation between the inner air duct component and the combustion cone is assisted while the bolts are locked;

the positioning and locking device comprises an accommodating groove which is formed in a first flange plate and is coaxially arranged with a first through hole, an annular driving disc is rotationally connected in the accommodating groove, two groups of radial grooves which are communicated with the upper end face of the accommodating groove are uniformly distributed on the outer side of the circumference of the upper end of the first through hole, a sleeve is rotationally connected in the radial grooves, a bevel gear is coaxially arranged on the sleeve, the two groups of bevel gears are meshed with an inclined fluted disc which is coaxially arranged at the upper end of the driving disc, a screw rod which is radially arranged is in threaded fit with the sleeve, the screw rod is limited to rotate by a limiting structure which is arranged in the radial groove, a plurality of groups of splayed claws are connected to one end of the screw rod, which faces the first through hole, and the splayed claws of the two groups of screw rods are arranged in a vertical staggered mode.

Preferably, the limit structure comprises two groups of rectangular limit grooves axially formed along the screw rod, and further comprises two groups of L-shaped limit rods arranged in the radial grooves, and the limit rods are in radial sliding fit with the limit grooves on the corresponding sides to form the limit structure.

Preferably, the bottom surface coaxial coupling has the annular rail in the holding tank, the driving disk lower extreme is opened and is had the ring channel with annular rail complex, constitutes the circumference rotation connection structure of driving disk.

Preferably, the inner side wall of the annular driving disc is kept flush with the inner side wall of the first through hole.

The utility model has the beneficial effects that: the utility model comprises a gas inlet pipe connected with an outlet pipeline of a sludge gasification furnace, wherein the gas inlet pipe is externally connected with a large air cylinder component, one side of the large air cylinder component is communicated with a gas inlet pipe, the inside of the large air cylinder component is connected with an inner air cylinder component, the lower end of the inner air cylinder component is provided with a first flange plate, the utility model further comprises a combustion cone arranged at the lower end of the gas inlet cylinder, the lower end of the combustion cone is provided with a second flange plate, a plurality of groups of first through holes are uniformly distributed on the first flange plate along the circumference, a plurality of groups of second through holes are uniformly distributed on the second flange plate, the first through holes are correspondingly arranged with the second through holes, the diameter of the first through holes is larger than that of the second through holes, the lower end of the second through holes is provided with a rectangular limiting hole which is radially arranged, a bolt is vertically matched in the second through hole, the bolt passes through the first through hole and is matched with a gasket and a nut at the end part, and simultaneously a positioning and locking device is arranged in the first through hole.

Drawings

FIG. 1 is a schematic view of the position of the utility model in a stove system.

Fig. 2 is an enlarged view of the portion a in fig. 1 according to the present utility model.

FIG. 3 is a perspective view of the perspective structure of the fit between the combustion cone and the duct assembly of the present utility model.

FIG. 4 is a perspective view of a second perspective view of the configuration of the assembly of the combustion cone and the duct of the present utility model.

FIG. 5 is a front view of the fit between the combustion cone and the duct assembly of the present utility model.

FIG. 6 is a top view of the fit between the combustion cone and the air duct assembly of the present utility model.

Fig. 7 is an enlarged view of the portion B in fig. 6 according to the present utility model.

Fig. 8 is a cross-sectional view of A-A of fig. 6 in accordance with the present utility model.

Fig. 9 is a perspective view of a driving disk and a connection portion thereof according to the present utility model.

Fig. 10 is a perspective view of a bolt and a connecting portion thereof according to the present utility model.

In the figure, 1, a gas inlet pipe; 2. a main air duct assembly; 3. an air inlet pipe; 4. an inner air duct assembly; 5. a first flange; 6. a combustion cone; 7. a second flange; 8. a second through hole; 9. a limiting hole; 10. a bolt; 11. a gasket; 12. a nut; 13. asbestos packing; 14. a mating groove; 15. a receiving groove; 16. a drive plate; 17. a radial groove; 18. a sleeve; 19. bevel gear; 20. a bevel gear disk; 21. a screw rod; 22. a claw; 23. a limit groove; 24. a limit rod; 25. an endless track; 26. an annular groove; 27. a first through hole.

Detailed Description

The following is a further detailed description of embodiments of the present utility model with reference to figures 1-10.

In the first embodiment, we disclose a sliding connection device for eliminating pipeline stress for an outlet pipeline of a sludge gasification furnace, comprising a gas inlet pipe 1 connected with the outlet pipeline of the sludge gasification furnace, wherein the gas inlet pipe 1 is connected with a combustible gas output pipeline of the gasification furnace through a flange, the gas inlet pipe 1 is externally connected with a large air cylinder component 2, one side of the large air cylinder component 2 is communicated with a gas inlet pipe 3, the gas inlet pipe 3 is connected with an external air inlet, or is connected with a gas inlet device through a flange, so that wind is introduced into the large air cylinder component 2 from the external air, the large air cylinder component 2 is internally connected with an inner air cylinder component 4, the inner air cylinder component 4 plays a role of concentrating the wind vertically during installation, the lower end of the inner air cylinder component 4 is provided with a first flange 5, the outer side wall of the large air cylinder component 2 is inserted into an annular groove body structure formed on the upper end face of the first flange 5, so as to form an assembled structure, the combustion cone cylinder 6 is arranged at the lower end of the gas inlet cylinder, the second flange plate 7 is arranged at the lower end of the combustion cone cylinder 6, the lower end face of the combustion cone cylinder 6 is lower than the lower end face of the gas inlet pipe 1, the lower end of the first flange plate 5 is provided with an annular matching groove 14, the upper end of the combustion cone cylinder 6 is matched in the matching groove 14, so that the combustion cone cylinder 6 is inserted into the matching groove 14, the positioning is convenient in the assembly process of the combustion cone cylinder 6 and the air cylinder assembly, the asbestos packing 13 is arranged between the first flange plate 5 and the second flange plate 7, the asbestos packing 13 plays a sealing role, and also has a high temperature resistant role, so that the combustion cone cylinder is quite suitable for use, a plurality of groups of first through holes 27 are uniformly distributed on the first flange plate 5 along the circumference, a plurality of groups of second through holes 8 are uniformly distributed on the second flange plate 7, the first through holes 27 and the second through holes 8 are correspondingly arranged, the diameter of the first through hole 27 is larger than that of the second through hole 8, the first through hole 27 is as large as possible, so that after the assembly is subjected to expansion action of heat conduction, translation amount can be generated, because the combustion cone 6 is fixedly arranged on I-steel above the hot blast stove, the translation of the connection structure above the air cylinder and the thermal expansion of the combustion cone 6 is that the first through hole 27 can provide certain translation amount, so that the translation amount can offset stress generated by heat conduction, meanwhile, the integrity of the device is ensured, the service life of the device is prolonged, the lower end of the second through hole 8 is provided with a rectangular limiting hole 9 which is radially arranged, a bolt 10 is vertically matched in the second through hole 8, the head of the bolt 10 is of a rectangular structure and is matched in the rectangular limiting hole 9, the bolt 10 passes through the second through hole 8 and is matched with a gasket 11 and a nut 12 at the end part, the rectangular limiting hole 9 is inserted into the second through hole 8 and the first through hole 27, and after the bolt 10 is inserted into the second through hole 8 and the first through hole 27, a user does not need to fix the head of the bolt 10 by hands in the process of installing the washer 11 and the nut 12 on the rectangular limiting hole, so that the head of the bolt 10 is also provided with a structure in the same shape as the rectangular limiting hole 9, and is convenient to insert, when the rectangular limiting hole is used, the bolt 10 is penetrated into the first through hole 27 and the second through hole 8, then the washer 11 and the nut 12 are screwed on the end part of the bolt 10, so that the combustion cone 6 and the air duct component are assembled and installed, when the thermal expansion on a pipeline is conducted to a burner structure, the generated thermal expansion can be counteracted through the second through hole 8, the structure can effectively eliminate the horizontal stress of the pipeline at the outlet of the sludge gasification furnace, reduce the failure rate of the burner structure, improve the service life and the practicability, is suitable for popularization.

In the second embodiment, on the basis of the first embodiment, the first through hole 27 is internally connected with a positioning and locking device, so that the purpose of locking the bolt 10 and assisting in positioning and mounting between the inner air duct assembly 4 and the combustion cone 6 is achieved, the positioning and locking device is arranged for facilitating the mounting of the combustion cone 6 and the air duct assembly, and the centering mounting is not easy in the positioning and mounting process of the bolt 10 due to the large aperture of the first through hole 27, and meanwhile, the bolt 10 is easy to incline in the mounting process due to the large aperture of the first through hole 27;

specifically, the positioning and locking device comprises a containing groove 15 which is arranged on the first flange plate 5 and is coaxial with the first through hole 27, the containing groove 15 is not transparent in the up-down direction and is communicated with the inner side of the first through hole 27, the inner circle of the containing groove 15 is rotationally connected with an annular driving plate 16, the inner bottom surface of the containing groove 15 is coaxially connected with an annular track 25, the lower end of the driving plate 16 is provided with an annular groove 26 matched with the annular track 25 to form a circumferential rotation connecting structure of the driving plate 16, the driving plate 16 can only rotate along the circumferential direction of the containing groove 15, the inner side wall of the annular driving plate 16 is kept level with the inner side wall of the first through hole 27 to ensure the aperture size of the first through hole 27, two groups of radial grooves 17 communicated with the upper end surface of the containing groove 15 are uniformly distributed on the outer side of the circumference of the upper end of the first through hole 27, the radial grooves 17 are arranged in the radial direction of the first through hole 27, the lower end of the radial groove 17 is communicated with the accommodating groove 15, the radial groove 17 is rotationally connected with a sleeve 18, the rotating direction of the sleeve 18 is arranged along the radial direction of the first through hole 27, the rotating connection of the sleeve 18 is in bearing rotating connection on a connecting block arranged in the radial groove 17, the sleeve 18 is coaxially provided with bevel gears 19, two groups of bevel gears 19 are meshed with a bevel gear disk 20 coaxially arranged at the upper end of a driving disk 16, the upper end face of the bevel gear disk 20 on the driving disk 16 is flush with the upper end face in the accommodating groove 15, a certain limiting effect is achieved, the vertical movement of the limiting disk is limited, a screw 21 radially arranged is in threaded fit with the sleeve 18, the screw 21 is limited to rotate by a limiting structure arranged in the radial groove 17, the limiting structure comprises two groups of rectangular limiting grooves 23 axially arranged along the screw 21 and two groups of L-shaped limiting rods 24 arranged in the radial groove 17, the limiting rod 24 is in radial sliding fit with the limiting groove 23 on the corresponding side to form a limiting structure, so that the screw rod 21 can only move in the radial direction and cannot rotate, the screw rod 21 is driven to move in the radial direction in the process of rotating the sleeve 18, the screw rod 21 is structured so that the problem of rebound cannot occur in the process of positioning and clamping, one end of the screw rod 21, which faces the first through hole 27, is connected with a plurality of groups of splayed clamping jaws 22, the plurality of groups of splayed clamping jaws 22 on the two groups of screw rods 21 are vertically staggered, one group of the two groups of splayed clamping jaws 22 is arranged into three groups, the other group of splayed clamping jaws is arranged into two groups, so that the screw rod 21 can be in staggered fit, the splayed structure uses bolts 10 with different diameters for positioning and installation, and has wider applicability, after the first through hole 27 and the second through hole 8 on the first flange 5 and the second flange 7 are initially positioned, after the bolts 10 and the nuts 12 are initially installed, the two groups of splayed clamping jaws 22 are driven to rotate in the radial direction, the second flange 7 and the flange 20 is driven to rotate in the opposite direction, the flange 18 is driven to rotate the sleeve 10 by the screw rod 20, the two groups of the screw rod are driven to rotate in the radial direction, and the flange 18 is driven to rotate the sleeve 10, and the flange 18 is correspondingly in the radial direction is driven to rotate the two groups of the screw rod 10, and the flange 18 is correspondingly in the radial direction is driven to rotate, and the sleeve is in the radial direction is in the rotation of the sleeve is in the assembly of the screw sleeve, and the assembly of the screw nut is in the assembly of the assembly and the assembly is in the assembly and the assembly of the assembly has the radial direction. Due to the limitation of the bolts 10, the bolts are easy to screw and install, and the bolts are not inclined even if the aperture of the first through holes 27 is small, and after the bolts are installed, the driving disk 16 is driven reversely, so that the two splayed clamping claws 22 are retracted into the radial grooves 17, and the changes of the translation amount caused by stress are not influenced.

When the screw bolt is used, the screw bolt 10 is penetrated through the first through hole 27 and the second through hole 8, then the gasket 11 and the nut 12 are screwed on the end part of the screw bolt 10, the spiral driving disc 16 is driven on the outer side of the second flange 7, the bevel gear disc 20 is driven by the rotation of the driving disc 16 to drive the bevel gear 19 to rotate, the sleeve 18 is driven to rotate, the rotation of the sleeve 18 is limited by the rotation of the screw rod 21, the screw rod 21 moves in the radial direction, the splayed clamping jaws 22 of the two groups of screw rods 21 are mutually matched, the screw bolts 10 in the corresponding through holes are righted, the first flange 5 and the second flange 7 are positioned in the righting process of the four groups of screw bolts 10, the structures of the four groups of screw bolts 10, the gaskets and the nuts 12 are secondarily fastened after the screw bolts are righted, due to the limitation of the bolts 10, the bolts are easy to incline when being screwed and installed, the second through holes 8 are small in aperture and do not incline even if the second through holes 8 are small in aperture, after the installation is completed, the driving disc 16 is reversely driven, so that the two groups of splayed clamping jaws 22 are retracted into the radial grooves 17, the change of translation quantity generated by stress cannot be influenced, the assembly of the whole device is completed, when thermal expansion on a pipeline is conducted onto a burner structure, the generated thermal expansion can be counteracted through the first through holes 27, the structure can effectively eliminate the horizontal stress of an outlet pipeline of the sludge gasification furnace, reduce the failure rate of the burner structure, improve the service life of the burner structure, and simultaneously, when the aperture of the first through holes 27 is large, the positioning installation between a wind barrel component and the combustion cone 6 is facilitated, and the practicability is strong, so that the burner is suitable for popularization.

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 (7)

1. The utility model provides a sliding connection device for eliminating pipeline stress for sludge gasification stove outlet pipe, includes inlet gas pipe (1) that is connected with sludge gasification stove outlet pipe, inlet gas pipe (1) external connection big dryer subassembly (2), big dryer subassembly (2) one side intercommunication air-supply line (3), interior dryer subassembly (4) are connected in big dryer subassembly (2), a serial communication port, interior dryer subassembly (4) lower extreme installation first ring flange (5), still include and place combustion cone (6) of inlet gas barrel lower extreme, combustion cone (6) lower extreme installation second ring flange (7), open along circumference equipartition on first ring flange (5) has multiunit first through-hole (27), circumference equipartition is opened on second ring flange (7) has multiunit second through-hole (8), first through-hole (27) and second through-hole (8) correspond the setting, and the diameter of first through-hole (27) is greater than second through-hole (8), the lower extreme of second through-hole (8) opens rectangular hole (9) that have radial setting, limit bolt (10) are in rectangular hole (10) and the interior bolt of limit bolt (10), the bolt (10) passes through the second through hole (8) and is provided with a washer (11) and a nut (12) at the end part in a matching way.

2. A sliding connection device for eliminating pipeline stress for outlet pipes of a sludge gasification furnace according to claim 1, wherein an asbestos packing (13) is arranged between the first flange (5) and the second flange (7).

3. The sliding connection device for eliminating pipeline stress for the outlet pipeline of the sludge gasification furnace according to claim 1, wherein the lower end of the first flange plate (5) is provided with an annular matching groove (14), and the upper end of the combustion cone (6) is matched in the matching groove (14).

4. The sliding connection device for eliminating pipeline stress for the outlet pipeline of the sludge gasification furnace according to claim 1, wherein a positioning locking device is connected in the first through hole (27), so that the positioning installation between the inner air duct component (4) and the combustion cone (6) is assisted while the locking of the bolt (10) is realized;

the positioning and locking device comprises an accommodating groove (15) which is formed in a first flange plate (5) and is coaxially arranged with a first through hole (27), an annular driving disc (16) is rotationally connected in the accommodating groove (15), two groups of radial grooves (17) which are communicated with the upper end face of the accommodating groove (15) are uniformly distributed on the outer side of the circumference of the upper end of the first through hole (27), a sleeve (18) is rotationally connected in the radial grooves (17), a bevel gear (19) is coaxially arranged on the sleeve (18), the bevel gears (19) of the two groups are meshed with a bevel gear disc (20) which is coaxially arranged at the upper end of the driving disc (16), a screw (21) which is radially arranged is in threaded fit with the sleeve, the screw (21) is limited to rotate by a limiting structure which is arranged in the radial groove (17), one end of the screw (21) which faces the first through hole (27) is connected with a plurality of groups of splayed claws (22), and the splayed claws (22) of the two groups of screws (21) are vertically staggered.

5. The sliding connection device for eliminating pipeline stress for the outlet pipeline of the sludge gasification furnace according to claim 4, wherein the limiting structure comprises two groups of rectangular limiting grooves (23) axially formed along the screw rod (21), and further comprises two groups of L-shaped limiting rods (24) arranged in the radial grooves (17), and the limiting rods (24) are radially matched with the limiting grooves (23) on the corresponding sides in a sliding manner to form the limiting structure.

6. The sliding connection device for eliminating pipeline stress for the outlet pipeline of the sludge gasification furnace according to claim 4, wherein the inner bottom surface of the accommodating groove (15) is coaxially connected with an annular track (25), and the lower end of the driving disc (16) is provided with an annular groove (26) matched with the annular track (25) to form a circumferential rotation connection structure of the driving disc (16).

7. The sliding connection device for eliminating pipeline stress for outlet pipeline of sludge gasification furnace according to claim 4, wherein the inner side wall of the annular driving disc (16) is kept level with the inner side wall of the first through hole (27).