CN205035317U - Lead cigarette car dust removal pipe installation - Google Patents

Abstract

The utility model relates to a lead the high temperature resistant dust removal pipe of cigarette car, fixed pipe comprises hypomere, joint board and upper segment, and the joint board is " Z " font, and the upper end and the lower extreme in week all is provided with the inner ring step in the hypomere, and the hypomere and the upper segment inner wall of fixed pipe have all laid refractory material layer, the fixed leading wheel that is equipped with of up end of activity pipe, activity pipe inner wall has laid refractory material layer. The utility model discloses combine between refractory material and the steel construction more closely, firm, make the dust removal pipe have better high temperature resistant ability, and refractory material is difficult is peeled off by the scaling loss, have longer life. Secondly, mechanism design is more reasonable, and the operating temperature the most fragile the highest active segment pipe and the sunction inlet of stiff end pipe can in time be changed in the time than the weak point again, and tobacco pipe and combustion chamber are led to all to avoid the further diffusion of damage to cause overall change.

Description

Smoke guiding bogie dust removal pipe device

Technical field

The utility model relates to dust removal installation, particularly the resistant to elevated temperatures dust removal pipe device of tamping coke oven dust smoke guiding bogie.

Background technology

Smoke guiding bogie is the Environmental-protecting dust-removing equipment that coke oven is produced.The requirement environmentally protected, during tamping coke oven coal-charging, the high-temperature dust-containing flue gas of generation, need carry out dedusting by the dust removing station that to induce one after smoke pipe imports its combustion chambers burn of leading of smoke guiding bogie.The high-temperature smoke that tamping coke oven dust smoke guiding bogie will produce when coalingging, imports combustion chamber of smoke guide car to rear discharge up to standard from coke oven air suction opening.

Existing smoke pipe of leading is rolled by 5mm steel plate, sprayable refractory in pipe.Refractory lining has layer of steel wire net, in order to be fixed on inner-walls of duct by resistance to material.Outer wall of combustion chamber is that 10mm Plate Welding makes, inwall refractory materials material and fixed form and to lead smoke pipe identical.

Tamping coke furnace coking mixed coal moisture is 9 ~ 11%, cleaning shaft air leak rate of air curtain≤3% under normal circumstances, by swiftly flowing negative pressure air effect during dust collection for charging, will be there is burning and produce high temperature in the high-temperature smoke containing the combustiblematerials such as raw gas, coal dust emerged in furnace roof air suction opening place, and burn further in combustion chamber at air suction opening place.When rainy season or moisture content of coal exceed standard, cleaning shaft leak out excessive time, then open aerofoil fan carry out forced burning to air blast in combustion chamber.At present, find by using, heat-resisting ability and the firmness of leading refractory materials in smoke pipe and combustion chamber are inadequate.High temperature burn and the effect of expanding with heat and contract with cold impact under, refractory materials scaling loss is very fast and can be peeling, and finally cause the steel plate of leading smoke pipe and combustion chamber to burn, flue dust escapes in a large number, greatly reduces dust removing effects and leads work-ing life of smoke pipe.In addition, conduit inboardend is at flue dust suction port place because working temperature is the highest, and combustion time is the longest, the most fragile.Owing to leading structure and the coke oven production work system of smoke pipe, cannot repair online in time, only have whole scaling loss to change afterwards to a certain extent and allly lead smoke pipe.Thus, during this period, the excessive amount of flue gas constantly increases.Active segment conduit moves up and down by hoisting mechanism, directly falls furnace roof time descending, substantially concordant with inboardend base plate bottom time up.Because bottom is not protected refractory materials, and can swing back and forth again when moving up and down, the easy damaged in collision of refractory materials, high temperature are peeled off, and movable pipeline section damages very fast.

Utility model content

This utility model technical problem to be solved is by the improvement to dust removal pipe structure, makes dust removal pipe have good heat-resisting ability and refractory materials is not easily burnt stripping, and have longer work-ing life, during dedusting, smokeless escapes.

For achieving the above object, the utility model by the following technical solutions.Smoke guiding bogie is high temperature resistant dust removal pipe, comprise A/C and movable conduit, described A/C is made up of hypomere, card adapter plate and epimere, described card adapter plate is in " Z " font, the lower end periphery that epimere is fixed in its one end is coated with refractory masses, the upper end of described hypomere is loaded on card adapter plate periphery through bolt fixing catch, and the top and bottom of described hypomere inner circumferential are provided with inner ring step, and hypomere and the epimere inwall of described A/C are all laid with refractory masses; The periphery symmetry of described movable conduit is fixed with hangers; The upper surface symmetry of described movable conduit is fixedly equipped with guide deflection sheave, and described movable pipe inner wall is laid with refractory masses; In the internal diameter of the circumference formed inside described guide deflection sheave and described movable conduit, the internal diameter of refractory masses all matches with the external diameter of described A/C.

Further, described A/C and described movable pipe inner wall are laid with refractory masses place and are provided with anchoring piece.

The utility model has the advantages that: welded stainless steel anchoring piece due to intensive in A/C and movable conduit, combine more closely, firmly between refractory materials and steel construction, make dust removal pipe have good heat-resisting ability, and refractory materials is not easily burnt stripping, has longer work-ing life.Secondly, mechanism design is more reasonable, the suction port of working temperature the most flimsy the highest movable conduit and A/C, i.e. hypomere, can change in the short period of time in time, avoids damaging spreading further and causes that integral replacing is all leads smoke pipe and combustion chamber.

Accompanying drawing explanation

The total schematic diagram of Fig. 1 smoke guiding bogie dust removal pipe structure;

Fig. 2 movable end dust removal pipe structural representation;

Fig. 3 inboardend dust removal pipe schematic diagram.

In figure: 1. A/C, 11. hypomeres, 12. card adapter plates, 13. epimeres, 2. movable conduit, 3. air suction opening, 4. hangers, 5. guide deflection sheave, 6. refractory masses, 7. anchoring piece.

Embodiment

Below in conjunction with drawings and Examples, the utility model is described in further detail.See Fig. 1 to Fig. 3, smoke guiding bogie is high temperature resistant dust removal pipe, comprise A/C 1 and movable conduit 2, described A/C 1 is made up of hypomere 11, card adapter plate 12 and epimere 13, described card adapter plate 12 is in " Z " font, the lower end periphery that epimere 13 is fixed in its one end is coated with refractory masses 6, the upper end of described hypomere 11 is loaded on card adapter plate 12 periphery through bolt fixing catch, the top and bottom of described hypomere 11 inner circumferential are provided with inner ring step, and hypomere 11 and epimere 13 inwall of described A/C 1 are all laid with refractory masses 6; The periphery symmetry of described movable conduit 2 is fixed with hangers 4; The upper surface symmetry of described movable conduit 2 is fixedly equipped with guide deflection sheave 5, and described movable conduit 2 inwall is laid with refractory masses 6; In the internal diameter of the circumference formed inside described guide deflection sheave 5 and described movable conduit 2, the internal diameter of refractory masses 6 all matches with the external diameter of described A/C 1.Described A/C 1 and described movable conduit 2 inwall are laid with refractory masses 6 place and are provided with anchoring piece 7.

embodiment:below enumerate a better embodiment of the present utility model.The body of A/C 1 adopts 5mm steel plate sectional to roll.The Y shape anchoring piece 7 of the long 75mm that welding is made by 10mm stainless steel round steel in tube wall, welding density about 5/10cm ².Anchoring piece 7 has welded the refractory masses 6 that rear spraying is mixed by high temperature resistant cement and light porcelain body material, and thickness is about 10cm.

A/C 1 is vertical with coke oven air suction opening to be fixed, and during work, temperature is the highest, the longest by high-temperature time, therefore adopts cast iron materials body at hypomere 11.Tubular body has two steps for setting off refractory masses 6.The card adapter plate 12 that epimere 13 interior welds is Z-shaped, cast iron body, both hypomere 11 was connected with bolt with Z-shaped card adapter plate 12, mended again and built refractory masses 6, be also convenient to change hypomere 11 body (as shown in Figure 3) simultaneously after installation.

Movable conduit 2 puts down when dust suction, mentions after dust suction terminates.In order to not increase the load of movable conduit 2 pairs of lifting mechanisms, 5mm roll of steel plate tubulation body identical with leading smoke pipe but add the resistance to material of base plate protection in bottom, top adds top board for installing guide deflection sheave 5.The increase of guide deflection sheave 5 can avoid conduit to cause refractory masses 6 damaged in collision moving up and down swing in process, and try one's best in energy restraint conduit 2 and the gap of A/C 1, minimizing is leaked out (as shown in Figure 1).

Before enforcement, first carry out prefabricate by frame mode.Flange joint during installation, clogs nuclear energy lime-ash medium packing_seal between flange.Movable conduit 2 all reserves one section of not casting refractory layer 6, not weld anchor firmware 7 with the junction of combustion chamber.Weld anchor firmware 7 after docking completes, makes template casting refractory layer 6.

During installation, between movable conduit 2 and the flange of A/C 1, clog nuclear energy lime-ash medium packing_seal.Adjust the position of guide deflection sheave 5 when movable conduit 2 is installed, ensure that guide deflection sheave 5 is uniformly distributed, and make the clearance control of movable conduit 2 and A/C 1 at 20mm.So both can ensure movable conduit 2 flexible motion, and can reduce to leak out again making flue dust sufficient combustion as far as possible.

The utility model employs more than 5 years after implementing, lead smoke pipe body steel plate and do not occur red heat metamorphism, there is not obvious scaling loss in hypomere 11, movable conduit 2 only has a small amount of resistance to material come off but do not affect use, illustrate that the utility model leads flue structure reasonable, refractory masses 6 is firm, and work-ing life is higher, and heat-resisting ability meets user demand.

Claims (2)

1. the high temperature resistant dust removal pipe of smoke guiding bogie, comprise A/C and movable conduit, it is characterized in that, described A/C is made up of hypomere, card adapter plate and epimere, described card adapter plate is in " Z " font, and the lower end periphery that epimere is fixed in its one end is coated with refractory masses, and the upper end of described hypomere is loaded on card adapter plate periphery through bolt fixing catch, the top and bottom of described hypomere inner circumferential are provided with inner ring step, and hypomere and the epimere inwall of described A/C are all laid with refractory masses; The periphery symmetry of described movable conduit is fixed with hangers; The upper surface symmetry of described movable conduit is fixedly equipped with guide deflection sheave, and described movable pipe inner wall is laid with refractory masses; In the internal diameter of the circumference formed inside described guide deflection sheave and described movable conduit, the internal diameter of refractory masses all matches with the external diameter of described A/C.

2. the high temperature resistant dust removal pipe of smoke guiding bogie according to claim 1, is characterized in that, described A/C and described movable pipe inner wall are laid with refractory masses place and are provided with anchoring piece.