CN114774139A - Detection hole control device for low-nitrogen combustion system - Google Patents
Detection hole control device for low-nitrogen combustion system Download PDFInfo
- Publication number
- CN114774139A CN114774139A CN202210267557.6A CN202210267557A CN114774139A CN 114774139 A CN114774139 A CN 114774139A CN 202210267557 A CN202210267557 A CN 202210267557A CN 114774139 A CN114774139 A CN 114774139A
- Authority
- CN
- China
- Prior art keywords
- lateral
- assembly
- pipe
- connecting rod
- frame
- 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.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B29/00—Other details of coke ovens
- C10B29/02—Brickwork, e.g. casings, linings, walls
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B41/00—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to the technical field of chemical production equipment, in particular to a detection hole control device for a low-nitrogen combustion system. According to the detection hole control device for the low-nitrogen combustion system, the frame-shaped inner-side refractory bricks are elastically assembled in the detection hole body, and the outer-side closed refractory bricks on the inner side surfaces of the lateral closed sealing plates are inserted into the detection hole body and are assembled with the frame-shaped inner-side refractory bricks in a closed mode, so that the sealing property in the detection hole is guaranteed; the lateral assembling seat on the outer side surface of the external fixing frame is movably assembled with a lateral overturning adjusting arm used for connecting a lateral closing sealing plate, and the lateral overturning adjusting arm is assembled with the inner side refractory brick of the frame through a lateral connecting rod and an overturning connecting rod in a linkage manner, so that the overturning limiting stability of the lateral overturning adjusting arm is greatly improved.
Description
Technical Field
The invention relates to the technical field of chemical production equipment, in particular to a detection hole control device for a low-nitrogen combustion system.
Background
The ethylene cracking furnace is used for processing cracking gas and is of the types of double radiation chambers, single radiation chambers and millisecond furnaces. The ethylene cracking furnace is the core equipment of an ethylene production device, and mainly has the functions of processing various raw materials such as natural gas, refinery gas, crude oil, naphtha and the like into cracking gas, providing the cracking gas for other ethylene devices, and finally processing the cracking gas into ethylene, propylene and various byproducts. The production capacity and the technical height of the ethylene cracking furnace directly determine the production scale, the yield and the product quality of the whole set of ethylene equipment, so that the ethylene cracking furnace plays a leading role in the ethylene production equipment and even the whole set of petrochemical production.
The ethylene cracking furnace is divided into a convection section and a radiation section. Generally, the convection section functions to recover the flue gas waste heat for preheating and vaporizing the feed oil and superheating the feed oil and dilution steam to the cross-over temperature of the material, with the remaining heat being used to superheat the ultra-high pressure steam and preheat boiler feed water. During the preheating and vaporizing process of the material, diluting steam is injected to lower the vaporizing temperature of the material oil and prevent coking of the material oil during the vaporizing process. Each group of coil pipes of the convection section of the cracking furnace is mainly formed by assembling and welding heat exchange furnace pipes (light pipes or finned pipes) through return bends, the end pipe plates and the middle pipe plate support the furnace pipes, and the inlets and outlets of some coil pipes are gathered together through a header. The periphery of each group of coil pipes is assembled to the upper furnace wall to form a module.
The ethylene cracking furnace is technically classified into a double radiation chamber, a single radiation chamber and a millisecond furnace. The types of the furnaces can be classified into CBL cracking furnaces, SRT cracking furnaces, USC cracking furnaces, KTI GK cracking furnaces, millisecond cracking furnaces and Pyrocack cracking furnaces.
Survey and the later maintenance detection in order to cooperate the state to the inside combustion system of pyrolysis furnace, need set up the inspection hole on the pyrolysis furnace, be applied to the inspection hole simple structure of pyrolysis furnace on the market at present, durability and security are all very limited, and outside closing device's control mode and the state of accomodating are also very single simultaneously.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems existing in the background art, an improved inspection hole control device for a low-nitrogen combustion system is provided, and the problems that the inspection hole applied to the cracking furnace in the current market is simple in structure, very limited in durability and safety, and also very single in control mode and storage state of an external closing device are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a be used for low nitrogen combustion system to use inspection hole controlling means, including offer the inspection hole body on the outer lateral wall of cracking furnace and fix the inside external fixation frame of inspection hole body outside opening, inspection hole body lateral wall on set up with external fixation frame matched with side direction spacing groove, the external fixation frame lateral surface on the outside bellied side direction assembly seat of fixedly connected with, the side direction assembly seat outside through side direction upset regulating arm elastic assembly have the side direction closed closing seal board that is used for closed inspection hole body, the closed closing seal board medial surface of side direction on install the closed firebrick in the outside, inspection hole body medial surface on elastic assembly have with the closed firebrick matched with frame type inboard resistant firebrick in the outside, the inboard resistant firebrick of frame type through side direction connecting rod and side direction upset regulating arm swing joint.
The side direction assembly seat inside vertically set up upper and lower extreme open-ended internal fitting through-hole, the side direction upset control arm include the upset control arm, fix at the integrative structure side direction assembly frame on upset control arm assembly top, fix the side direction axostylus axostyle at upset control arm and side direction assembly frame link, set up the side guide way on the upset control arm lateral surface and set up the inboard spacing screw on the side guide way medial surface.
The lateral side of the external fixing frame is positioned on two sides of the lateral assembling seat and is provided with a triangular adjusting groove, the inner side end of the triangular adjusting groove is provided with an inner telescopic through hole for installing a lateral connecting rod, and the outer side end of the lateral connecting rod is movably assembled with the lateral shaft rod through an overturning connecting rod.
The lateral closed sealing plate is characterized in that an outward protruding integrated structure external assembly seat is arranged on the outer lateral surface of the lateral closed sealing plate, the lateral closed sealing plate is sleeved outside the turnover adjusting arm through the external assembly seat and is assembled with the turnover adjusting arm in a sliding mode, an external assembly through hole with a built-in locking bolt is formed in the outer side of the external assembly seat, and the locking bolt is fixedly connected with the turnover adjusting arm through the inside of a screw-in inner side limiting screw hole.
The lateral assembly groove for assembling the frame-shaped inner-side refractory brick is formed in the inner lateral surface of the detection hole body, an outer extrusion pipe for fixedly connecting the inner portion of the frame-shaped inner-side refractory brick with an extrusion spring is fixedly connected to the lateral wall of the frame-shaped inner-side refractory brick, and an outer guide pipe is fixedly arranged on the inner lateral surface of the lateral assembly groove and located on the outer side of the outer extrusion pipe.
The lateral connecting rod is fixedly assembled on the inner side of the external extrusion pipe, and an internal guide pipe for lifting the lateral connecting rod is arranged in the external guide pipe through a lateral fixing support.
The side direction connecting rod top link and upset connecting rod both sides top all coaxial fixed with an organic whole structure assembly pipe, upset connecting rod one end and side direction connecting rod through assembly pivot movable assembly, the upset connecting rod other end through the assembly pipe box in the side direction axostylus axostyle outside with side direction upset regulating arm movable assembly.
The outer side assembling surface of the outer side closed refractory brick and the inner side assembling surface of the frame-shaped inner side refractory brick are both provided with inclined assembling surfaces.
The lateral closed sealing plate is characterized in that a fixed assembly pipe is fixedly connected to the inner side face of the lateral closed sealing plate and used for assembling an outer closed refractory brick, a plurality of bar-shaped transition openings are formed in the outer side face of the fixed assembly pipe, a lateral expansion opening with a telescopic limiting block is formed in the inner connecting end of the outer closed refractory brick, an outer sink groove communicated with the inside of the fixed assembly pipe is formed in the outer side face of the lateral closed sealing plate, an outer thread adjusting rod in threaded connection with the fixed assembly pipe is arranged in the outer sink groove, an inner thread adjusting pipe in threaded connection with the outer thread adjusting rod is arranged in the fixed assembly pipe in a sliding connection mode, and an inclined adjusting connecting rod used for movably assembling the telescopic limiting block and the inner thread adjusting pipe is arranged in the transition openings.
The inner side surface of the refractory brick at the inner side of the frame shape is provided with a lateral limiting clamping groove matched with the telescopic limiting block.
The beneficial effects of the invention are:
(1) according to the detection hole control device for the low-nitrogen combustion system, the frame-shaped inner-side refractory bricks are elastically assembled in the detection hole body, and the outer-side closed refractory bricks on the inner side surface of the lateral closed sealing plate are inserted into the detection hole body and are assembled with the frame-shaped inner-side refractory bricks in a closed manner, so that the sealing property in the detection hole is ensured;
(2) a lateral overturning adjusting arm used for connecting a lateral closing sealing plate is movably assembled on the outer side of a lateral assembling seat on the outer side surface of the external fixing frame, and the lateral overturning adjusting arm is in linkage assembly with a frame-shaped inner-side refractory brick through a lateral connecting rod and an overturning connecting rod, so that the overturning limiting stability of the lateral overturning adjusting arm is greatly improved;
(3) the split type structural design is adopted between the lateral closing sealing plate and the lateral overturning adjusting arm, so that the assembling position can be conveniently and rapidly adjusted, the assembly, disassembly and maintenance are convenient, and the later-stage use cost is reduced;
(4) install the outside extrusion pipe that inside set up extrusion spring on the inboard resistant firebrick lateral wall of frame type, lie in the outside extrusion outside of tubes side at side direction assembly groove medial surface and be fixed with outside stand pipe, set up side direction connecting rod and extrusion spring in inside, security and durability promote greatly.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a side cross-sectional view of the present invention.
Fig. 3 is a partial schematic view of the position a in fig. 2.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In the context of figure 1, it is shown, the detection hole control device for the low-nitrogen combustion system comprises a detection hole body 1 arranged on the outer side wall of a cracking furnace and an external fixing frame 2 fixed inside an opening at the outer side of the detection hole body 1, a lateral limiting groove 3 matched with the external fixing frame 2 is formed in the side wall of the detection hole body 1, a lateral assembling seat 4 protruding outwards is fixedly connected to the outer side surface of the external fixing frame 2, a lateral closing sealing plate 5 used for closing the detection hole body 1 is elastically assembled on the outer side of the lateral assembling seat 4 through a lateral overturning adjusting arm, an outer side closed refractory brick 6 is installed on the inner side surface of the lateral closing sealing plate 5, a frame-shaped inner side refractory brick 7 matched with the outer side closed refractory brick 6 is elastically assembled on the inner side surface of the detection hole body 1, and the frame-shaped inner side refractory brick 7 is movably connected with the lateral overturning adjusting arm through a lateral connecting rod 8.
Further, in order to cooperate with overturning and assembling, an internal assembling through hole with an upper end and a lower end opened is longitudinally formed in the lateral assembling seat 4, and the lateral overturning adjusting arm comprises an overturning adjusting arm 9, a lateral assembling frame 10 of an integrated structure fixed at the assembling top end of the overturning adjusting arm 9, a lateral shaft rod 11 fixed at the connecting end of the overturning adjusting arm 9 and the lateral assembling frame 10, a lateral guide groove 12 formed in the outer lateral surface of the overturning adjusting arm 9 and an inner side limiting screw hole 13 formed in the inner lateral surface of the lateral guide groove 12.
Further, in order to cooperate the outside upset to tighten up, the 2 lateral surfaces of external fixation frame are located 4 both sides of side direction assembly seat and have seted up triangle adjustment tank 14, and the flexible through-hole in inside that is used for installing side direction connecting rod 8 is seted up to triangle adjustment tank 14 medial extremity, and the 8 outside ends of side direction connecting rod pass through upset connecting rod 15 and 11 activity assemblies of side direction axostylus axostyle.
The lateral connecting rods 8 are arranged on the same side of the connecting end of the lateral assembling frame 10, then the turning adjusting arms 9 turn towards the detection hole body 1, at this time, the lateral connecting rods 8 firstly extend outwards, then shrink inwards along with turning, at this time, the turning adjusting arms 9 are controlled to tighten towards the detection hole body 1, and therefore firmness and stability after the turning adjusting arms 9 are adjusted are improved; when the turning adjusting arm 9 is turned outwards, the lateral connecting rod 8 firstly extends outwards at the moment, and then contracts inwards along with the turning, and the turning adjusting arm 9 is controlled to tighten up towards the outer side wall of the cracking furnace at the moment, so that the firmness and stability of the turning adjusting arm 9 after adjustment are improved.
Further, for the cooperation loading and unloading, thereby make things convenient for later stage to dismantle the maintenance, outside protruding outside assembly seat 16 of an organic whole structure has on the lateral surface of side direction closed sealing plate 5, and side direction closed sealing plate 5 overlaps in the upset regulating arm 9 outside through outside assembly seat 16 and with upset regulating arm 9 sliding assembly, and outside assembly through-hole of built-in locking bolt 17 is seted up in the outside of outside assembly seat 16, and locking bolt 17 passes through inside and upset regulating arm 9 fixed connection of the inboard spacing screw hole 13 of screw in.
Further, in order to match the internal elastic extrusion reset, the durability and the safety of the extrusion spring 19 are improved, a lateral assembly groove 18 for assembling the frame-shaped internal refractory brick 7 is formed in the inner side surface of the detection hole body 1, an external extrusion pipe 20 with the extrusion spring 19 arranged inside is fixedly connected to the side wall of the frame-shaped internal refractory brick 7, and an external guide pipe 21 is fixed on the outer side of the external extrusion pipe 20 on the inner side surface of the lateral assembly groove 18.
Further, in order to improve the inner guidance, the lateral link 8 is fixedly fitted inside the outer pressing tube 20, and the inner guide tube 22 for lifting the lateral link 8 is provided inside the outer guide tube 21 through a lateral fixing bracket.
Further, in order to match with top movable assembly, an integrated structure assembly pipe is coaxially fixed at the top connecting end of the top of the lateral connecting rod 8 and the top end of the two sides of the turnover connecting rod 15, one end of the turnover connecting rod 15 is movably assembled with the lateral connecting rod 8 through an assembly rotating shaft, and the other end of the turnover connecting rod 15 is movably assembled with the lateral turnover adjusting arm outside the lateral shaft rod 11 through an assembly pipe sleeve.
The assembling rotating shaft is transversely inserted into the assembling pipe to be movably assembled.
Furthermore, in order to improve the assembly sealing performance and the guiding performance, the outer assembly surface of the outer closed refractory brick 6 and the inner assembly surface of the frame-shaped inner refractory brick 7 are respectively provided with an inclined assembly surface.
Further, in order to match the outer side to adjust the expansion, a fixed assembly pipe 23 used for assembling the outer side closed refractory brick 6 is fixedly connected to the inner side surface of the lateral closed sealing plate 5, 2 bar-shaped transition openings 24 are formed in the outer side surface of the fixed assembly pipe 23, a lateral expansion opening 26 internally provided with a telescopic limiting block 25 is formed in the inner connecting end of the outer side closed refractory brick 6, an outer sink groove 27 communicated with the inner portion of the fixed assembly pipe 23 is formed in the outer side surface of the lateral closed sealing plate 5, an outer thread adjusting rod 28 in threaded connection with the fixed assembly pipe 23 is arranged in the outer sink groove 27, an inner thread adjusting pipe 29 in threaded connection with the outer thread adjusting rod 28 is inserted in the fixed assembly pipe 23 in a sliding mode, and an inclined adjusting connecting rod 30 used for movably assembling the telescopic limiting block 25 and the inner thread adjusting pipe 29 is arranged in the bar-shaped transition openings 24.
The operation principle is as follows: people rotate through the external threaded adjusting rod 28, so that the internal threaded adjusting pipe 29 is driven to slide in the fixed assembling pipe 23, and when the internal threaded adjusting pipe 29 is extruded inwards, the inclined adjusting connecting rod 30 is driven to extrude the telescopic limiting block 25 outwards; when the internal thread adjusting pipe 29 slides outwards, the inclined adjusting connecting rod 30 is driven to contract inwards to extend the telescopic limiting block 25.
Further, in order to match with lateral clamping and limiting, a lateral limiting clamping groove 31 matched with the telescopic limiting block 25 is formed in the inner side face of the frame-shaped inner-side refractory brick 7.
According to the detection hole control device for the low-nitrogen combustion system, the frame-shaped inner-side refractory bricks 7 are elastically assembled in the detection hole body 1, and the outer-side closed refractory bricks 6 on the inner side face of the lateral closed sealing plate 5 are inserted into the detection hole body 1 and are assembled with the frame-shaped inner-side refractory bricks 7 in a closed mode, so that the sealing property in the detection hole is guaranteed; a lateral overturning adjusting arm used for connecting a lateral closing sealing plate 5 is movably assembled on the outer side of a lateral assembling seat 4 on the outer side surface of the external fixing frame 2, and the lateral overturning adjusting arm is in linkage assembly with a frame-shaped inner-side refractory brick 7 through a lateral connecting rod 8 and an overturning connecting rod 15, so that the overturning limiting stability of the lateral overturning adjusting arm is greatly improved; the split type structural design is adopted between the lateral closing sealing plate 5 and the lateral overturning adjusting arm, so that the assembling position can be conveniently and quickly adjusted, the assembling, the disassembling and the maintenance are convenient, and the later-stage use cost is reduced; an external extrusion pipe 20 with an extrusion spring 19 arranged inside is arranged on the side wall of the frame-shaped inner refractory brick 7, an external guide pipe 21 is fixed on the inner side surface of the lateral assembly groove 18 and positioned outside the external extrusion pipe 20, and the lateral connecting rod 8 and the extrusion spring 19 are arranged inside, so that the safety and the durability are greatly improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a be used for low nitrogen combustion system to use inspection hole controlling means, includes the inspection hole body (1) of seting up on the outer lateral wall of pyrolysis furnace and fixes external fixation frame (2) inside inspection hole body (1) outside opening, characterized by: the lateral wall of the detection hole body (1) is provided with a lateral limiting groove (3) matched with the external fixing frame (2), the outer side surface of the external fixing frame (2) is provided with a lateral assembling seat (4) fixedly connected with which is convex outwards, the outer side of the lateral assembling seat (4) is elastically assembled with a lateral closing sealing plate (5) used for closing the detection hole body (1) through a lateral overturning adjusting arm, the inner side surface of the lateral closing sealing plate (5) is provided with an outer side closing refractory brick (6), the inner side surface of the detection hole body (1) is elastically assembled with an inner side refractory brick (7) of a frame type matched with the outer side closing refractory brick (6), and the inner side refractory brick (7) of the frame type is movably connected with the lateral overturning adjusting arm through a lateral connecting rod (8).
2. The manhole control device for the low-nitrogen combustion system as set forth in claim 1, wherein: the side direction assembly seat (4) inside vertically seted up upper and lower extreme open-ended internal assembly through-hole, the side direction upset regulating arm include upset regulating arm (9), fix at integrative structure side direction assembly frame (10) on upset regulating arm (9) assembly top, fix side direction axostylus axostyle (11) at upset regulating arm (9) and side direction assembly frame (10) link, set up side guide way (12) on upset regulating arm (9) lateral surface and set up inboard spacing screw (13) on side guide way (12) medial surface.
3. The manhole control device for the low-nitrogen combustion system as set forth in claim 2, wherein: the lateral surface of the external fixing frame (2) is located on two sides of the lateral assembling seat (4) and is provided with a triangular adjusting groove (14), the inner side end of the triangular adjusting groove (14) is provided with an inner telescopic through hole for installing a lateral connecting rod (8), and the outer side end of the lateral connecting rod (8) is movably assembled with a lateral shaft lever (11) through a turnover connecting rod (15).
4. The manhole control device for the low-nitrogen combustion system as set forth in claim 2, wherein: lateral closed sealing plate (5) lateral surface on have outside bellied outside assembly seat (16) of an organic whole structure, lateral closed sealing plate (5) through outside assembly seat (16) cover in upset regulating arm (9) outside with upset regulating arm (9) sliding assembly, outside assembly seat (16) outside seted up the outside assembly through-hole of built-in locking bolt (17), locking bolt (17) through inside and upset regulating arm (9) fixed connection of inboard spacing screw (13) of screw in.
5. The manhole control device for the low-nitrogen combustion system as set forth in claim 1, wherein: the detection hole comprises a detection hole body (1), wherein a lateral assembly groove (18) used for assembling a frame-shaped inner-side refractory brick (7) is formed in the inner lateral surface of the detection hole body (1), an outer extrusion pipe (20) provided with an extrusion spring (19) is fixedly connected to the side wall of the frame-shaped inner-side refractory brick (7), and an outer guide pipe (21) is fixed to the inner lateral surface of the lateral assembly groove (18) and located on the outer side of the outer extrusion pipe (20).
6. The manhole control device for the low-nitrogen combustion system as set forth in claim 1, wherein: the lateral connecting rod (8) is fixedly assembled on the inner side of the external extrusion pipe (20), and an internal guide pipe (22) for lifting the lateral connecting rod (8) is arranged in the external guide pipe (21) through a lateral fixing support.
7. The manhole control device for the low-nitrogen combustion system as set forth in claim 3, wherein: the side direction connecting rod (8) top link and upset connecting rod (15) both sides top all coaxial fixed with an organic whole structure assembly pipe, upset connecting rod (15) one end and side direction connecting rod (8) through assembly pivot activity assembly, upset connecting rod (15) other end through the assembly pipe cover with side direction upset regulating arm activity assembly in the side direction axostylus axostyle (11) outside.
8. The manhole control device for the low-nitrogen combustion system as set forth in claim 1, wherein: the outer side assembling surface of the outer side closed refractory brick (6) and the inner side assembling surface of the frame-shaped inner side refractory brick (7) are both provided with inclined assembling surfaces.
9. The manhole control device for the low-nitrogen combustion system as set forth in claim 1, wherein: the lateral closed sealing plate is characterized in that a fixed assembly pipe (23) used for assembling an outer side closed refractory brick (6) is fixedly connected to the inner side face of the lateral closed sealing plate (5), a plurality of strip-shaped transition openings (24) are formed in the outer side face of the fixed assembly pipe (23), a lateral expansion opening (26) with a telescopic limiting block (25) arranged inside is formed in the inner connecting end of the outer side closed refractory brick (6), an outer sinking groove (27) communicated with the inner portion of the fixed assembly pipe (23) is formed in the outer side face of the lateral closed sealing plate (5), an outer thread adjusting rod (28) in threaded connection with the fixed assembly pipe (23) is arranged inside the outer sinking groove (27), an inner thread adjusting pipe (29) in threaded connection with the outer thread adjusting rod (28) is formed in the inner sliding connection of the fixed assembly pipe (23), and an oblique thread adjusting pipe (25) and the inner thread adjusting pipe (29) for movably assembling the telescopic limiting block (25) and the inner thread adjusting pipe (29) is arranged inside the strip-shaped transition openings (24) An adjusting connecting rod (30) is arranged.
10. The manhole control device for the low-nitrogen combustion system as set forth in claim 9, wherein: the inner side surface of the frame-shaped inner refractory brick (7) is provided with a lateral limiting clamping groove (31) matched with the telescopic limiting block (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210267557.6A CN114774139B (en) | 2022-03-18 | 2022-03-18 | Detection hole control device for low-nitrogen combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210267557.6A CN114774139B (en) | 2022-03-18 | 2022-03-18 | Detection hole control device for low-nitrogen combustion system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114774139A true CN114774139A (en) | 2022-07-22 |
| CN114774139B CN114774139B (en) | 2023-07-18 |
Family
ID=82425439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210267557.6A Active CN114774139B (en) | 2022-03-18 | 2022-03-18 | Detection hole control device for low-nitrogen combustion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114774139B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115505415A (en) * | 2022-08-25 | 2022-12-23 | 江苏博颂能源科技有限公司 | Catalytic cracking pilot scale is multidirectional closed detecting element for device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB257266A (en) * | 1925-08-24 | 1927-07-21 | Vastine Engineering Products C | Improvements in an observation window for furnaces |
| DE19746725A1 (en) * | 1996-10-15 | 1998-05-20 | Werner Schaffer | Fire-resistant maintenance door installed at top of shaft |
| JP3122675U (en) * | 2006-04-05 | 2006-06-29 | 杜 明 徳 | Sewing machine automatic presser |
| JP2007139299A (en) * | 2005-11-18 | 2007-06-07 | Nachi Fujikoshi Corp | Inlet door of heat treating chamber for vacuum carburization |
| CN109019976A (en) * | 2018-09-26 | 2018-12-18 | 唐山劳动技师学院（河北唐山职业技能公共实训中心、唐山市人力资源中等专业学校） | A kind of environment-friendly type automatic industrial wastewater treatment equipment |
| CN109578697A (en) * | 2018-11-29 | 2019-04-05 | 常州信息职业技术学院 | A kind of one-mast support riser cradle with lateral adjustment assemble mechanism |
| CN208847658U (en) * | 2018-08-24 | 2019-05-10 | 广州市合鑫机电设备有限公司 | A kind of diesel engine oil mist jet uniformity detection device |
| CN211125405U (en) * | 2019-12-23 | 2020-07-28 | 无锡金田电子有限公司 | Novel travel switch of digital sensor detection head convenient to position control |
| CN113531335A (en) * | 2021-07-23 | 2021-10-22 | 山东安澜工程建设有限公司 | Water conservancy construction economy telemetering measurement data acquisition display device |
| CN113662307A (en) * | 2021-08-02 | 2021-11-19 | 重庆财经职业学院 | Multifunctional dress designing board |
| CN215963464U (en) * | 2021-06-22 | 2022-03-08 | 洛阳天江化工新材料有限公司 | Foldable opening and closing cover device for reaction kettle feed opening |
-
2022
- 2022-03-18 CN CN202210267557.6A patent/CN114774139B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB257266A (en) * | 1925-08-24 | 1927-07-21 | Vastine Engineering Products C | Improvements in an observation window for furnaces |
| DE19746725A1 (en) * | 1996-10-15 | 1998-05-20 | Werner Schaffer | Fire-resistant maintenance door installed at top of shaft |
| JP2007139299A (en) * | 2005-11-18 | 2007-06-07 | Nachi Fujikoshi Corp | Inlet door of heat treating chamber for vacuum carburization |
| JP3122675U (en) * | 2006-04-05 | 2006-06-29 | 杜 明 徳 | Sewing machine automatic presser |
| CN208847658U (en) * | 2018-08-24 | 2019-05-10 | 广州市合鑫机电设备有限公司 | A kind of diesel engine oil mist jet uniformity detection device |
| CN109019976A (en) * | 2018-09-26 | 2018-12-18 | 唐山劳动技师学院（河北唐山职业技能公共实训中心、唐山市人力资源中等专业学校） | A kind of environment-friendly type automatic industrial wastewater treatment equipment |
| CN109578697A (en) * | 2018-11-29 | 2019-04-05 | 常州信息职业技术学院 | A kind of one-mast support riser cradle with lateral adjustment assemble mechanism |
| CN211125405U (en) * | 2019-12-23 | 2020-07-28 | 无锡金田电子有限公司 | Novel travel switch of digital sensor detection head convenient to position control |
| CN215963464U (en) * | 2021-06-22 | 2022-03-08 | 洛阳天江化工新材料有限公司 | Foldable opening and closing cover device for reaction kettle feed opening |
| CN113531335A (en) * | 2021-07-23 | 2021-10-22 | 山东安澜工程建设有限公司 | Water conservancy construction economy telemetering measurement data acquisition display device |
| CN113662307A (en) * | 2021-08-02 | 2021-11-19 | 重庆财经职业学院 | Multifunctional dress designing board |
Non-Patent Citations (1)
| Title |
|---|
| 吴秋远;杨强;王党利;: "带翻转功能的教学解剖台", 机械工程师, no. 10, pages 197 - 199 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115505415A (en) * | 2022-08-25 | 2022-12-23 | 江苏博颂能源科技有限公司 | Catalytic cracking pilot scale is multidirectional closed detecting element for device |
| CN115505415B (en) * | 2022-08-25 | 2023-09-22 | 江苏博颂能源科技有限公司 | Multidirectional closed detection unit for catalytic cracking pilot plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114774139B (en) | 2023-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114752402B (en) | Inspection port opening and closing mechanism for catalytic cracking furnace | |
| CN114774139A (en) | Detection hole control device for low-nitrogen combustion system | |
| TWI461521B (en) | Device for feeding combustion air or gas influencing coal carbonization into the upper area of coke ovens | |
| EP2447604B1 (en) | U-shaped water-cooled back-feeder valve for fluidized bed reactor | |
| US8707911B2 (en) | Cooling system for ports in a boiler | |
| CN114806626B (en) | Large-angle detection module for pilot plant of catalytic cracking furnace | |
| DE112010003764B4 (en) | Cooling system for gasification plants with seal | |
| AU2011307160A1 (en) | Apparatus and method for setting up a control element for the gas pressure of a coke oven chamber without expansion-induced deviations of the control assembly | |
| US20180238470A1 (en) | Fluid catalytic cracking unit valve | |
| CN115505415B (en) | Multidirectional closed detection unit for catalytic cracking pilot plant | |
| CN108489273A (en) | A kind of heating furnace with pull rod | |
| US5699746A (en) | Method and apparatus for feeding air into a furnace | |
| CN208091225U (en) | A kind of heating furnace with pull rod | |
| CN210261653U (en) | Primary cracking device | |
| CN114857494A (en) | High-safety multipurpose prefabricated pipe of cracking furnace | |
| CN202359083U (en) | Water-cooling wall assembly for transforming firebrick gasification furnace | |
| CN109652114B (en) | Cross type refining equipment structure | |
| CN102433167A (en) | Water-cooling wall assembly and reconstruction method for refractory brick gasification furnace | |
| CN219828822U (en) | Double expansion joint type cracking-preventing slag discharging pipe structure | |
| CN109668323A (en) | Based on standardization, modular phase change heating furnace | |
| KR0117593Y1 (en) | Damper operating apparatus of cokes oven riser pipe | |
| CN203148008U (en) | Heating furnace for aromatic hydrocarbon processed from oil heavy components | |
| CN103062888B (en) | Heating furnace for processing aromatic hydrocarbon oils from heavy components of petroleum | |
| CN220581974U (en) | Hinge type bellows expansion joint | |
| BRPI1012516B1 (en) | JACKET CONNECTION TO A COKE DRUM |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |