CN212961560U

CN212961560U - Novel fluidized bed boiler mixes and burns coke oven gas processing apparatus

Info

Publication number: CN212961560U
Application number: CN202021771499.3U
Authority: CN
Inventors: 刘桐; 丁鹏; 张宇轩
Original assignee: Shandong Shugen Jufa Industrial Technology Co ltd
Current assignee: Shandong Shugen Jufa Industrial Technology Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-04-13
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a novel fluidized bed boiler mixed-combustion coke oven gas treatment device, which comprises an installation wall, wherein a water-cooling screen pipe is arranged at the middle position between the top and the bottom of one end of the installation wall, a water-cooling bent pipe is arranged at the top of one end of the installation wall, a hanging beam is arranged at the top of the installation wall, and two groups of hanging rods are arranged at the bottom of the hanging beam; the device of the utility model has the advantages that through the burning guarding belt arranged in the vertical part at one end of the mounting wall, the adherent circulating ash can not be obliquely diffused after passing through the vertical section, but continuously flows vertically upwards, the abrasion of the contact part of the upper surface of the pouring material and the pipe is greatly reduced, and the water-cooling bent pipe is used for secondary bending, so that the abrasion-proof effect is further improved, and the abrasion is reduced; because the heating area is reduced by covering the wear-resistant plastic material, a water-cooling screen pipe is added at the front wall part of the hearth, thereby reducing the problem of insufficient evaporation capacity of the boiler.

Description

Novel fluidized bed boiler mixes and burns coke oven gas processing apparatus

Technical Field

The utility model relates to a coal gas processing apparatus technical field specifically is a novel fluidized bed boiler mixes and burns coke oven gas processing apparatus

Background

The coke oven gas is used as a byproduct of a coking plant, a part of coke oven gas is left to be incapable of being processed except for back burning, energy waste and environmental pollution can be caused if the coke oven gas is directly emptied, a large amount of coke oven gas is left along with the development of natural gas and the east transportation of western gas, and according to statistics, the coke oven gas directly discharged to the air by a coking enterprise in China in 2010 is 120 hundred million meters large³The emission of other combustible gases cannot be counted; because these combustible gases generally contain a large amount of hydrogen sulfide, benzene, naphthalene, tar and the like, and direct discharge can cause serious atmospheric pollution, in order to fully utilize these precious energy sources and reduce the discharge of pollutants, putting them as power fuels into a large-capacity power station boiler for combustion is an effective and economic solution; among various boilers, the circulating fluidized bed boiler has better adaptability to fuels; in the boiler, the fuel entering the boiler only accounts for 1 to 3 percent of the bed material amount and the rest is non-combustible solid particles according to the weight percentage, so the fuel entering the boiler can be quickly mixed with the bed material, the temperature is quickly raised to an ignition point, simultaneously the special hydrodynamic characteristics of the circulating fluidized bed boiler ensure that gas-solid and solid are well mixed, the fuel can be ignited and burnt out in a short time after entering the boiler, auxiliary fuel is not required to be added, a gas burner is required to be added for mixing and burning combustible gas, the water-cooled wall pipe in the elevation area of the burner can be seriously abraded due to the interference effect of smoke generated by the burning of the burner on dust generated by burning coal at the lower part in the operation process, the long-term operation of the boiler can not be ensured, meanwhile, in order to save the more economic benefit of the burning coal, the coal consumption of the mixed and burnt large amount of combustible gas is reduced during the operation, the concentration of circulating ash in the furnace is reduced, the heat transfer coefficient of a hearth is reduced, and the output of a boiler is insufficient;

the existing novel fluidized bed boiler mixed-burning coke oven gas treatment device has the following defects in the actual use process: 1. the existing gas treatment device is easy to cause the abrasion of the water-cooling screen pipe during working, thereby leading to lower practicability; 2. the existing gas treatment device has poor cooling effect and cannot well cool the boiler; 3. and the fixing effect of the existing device on the water-cooling screen tube is poor, so that the existing device is easy to shake, and the work is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel fluidized bed boiler mixes and burns coke oven gas processing apparatus to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel fluidized bed boiler mixed-combustion coke oven gas treatment device comprises an installation wall, wherein a water-cooling screen pipe is arranged at the middle position between the top and the bottom of one end of the installation wall, a water-cooling bent pipe is arranged at the top of one end of the installation wall, a hanging beam is arranged at the top of the installation wall, two groups of hanging rods are arranged at the bottom of the hanging beam, one ends of the hanging rods, far away from the hanging beam, are connected with the water-cooling bent pipe, four groups of installation columns are arranged at the middle positions between the top and the bottom of one end of the installation wall, an installation plate is arranged at one end, far away from the installation wall, of the installation columns, a limiting block is arranged at one end, far away from the installation wall, of the installation columns, extends to the inside of the installation plate, a limiting plate is arranged at the middle position inside the installation plate, inner sleeve rods, the one end that interior loop bar was kept away from to outer loop bar runs through the inside of stopper, the outside that interior loop bar is close to limiting plate one end is provided with the second spring, the intermediate position department that outer loop bar is close to interior loop bar one side is provided with the pull rod, and the pull rod extends to the outside of mounting panel, the mounting panel is close to installation wall one end intermediate position department and is provided with fixed subassembly.

Preferably, fixed subassembly includes first spring, splint and telescopic link, the telescopic link is located the one end that the mounting panel is close to the installation wall, the one end that the mounting panel was kept away from to the telescopic link is provided with splint, the outside of telescopic link is provided with first spring.

Preferably, one end of the clamping plate, which is far away from the telescopic rod, is provided with a plurality of groups of arc-shaped grooves.

Preferably, one end of the pull rod, which is positioned outside the mounting plate, is provided with a handle.

Preferably, an inlet header is arranged at one end of the water-cooling screen pipe, and an outlet header is arranged at one end of the water-cooling screen pipe, which is far away from the inlet header.

Preferably, the mounting column is provided with a fixing plate at one end close to the mounting wall, and fixing bolts are arranged at four corners of one end of the fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that: according to the novel fluidized bed boiler mixed-combustion coke oven gas treatment device, the refractory belt is arranged in the vertical part at one end of the mounting wall, circulating ash attached to the wall does not diffuse obliquely after passing through the vertical section, but continuously flows vertically and upwards, the abrasion of the contact part of the upper surface of a pouring material and a pipe is greatly reduced, the water-cooling bent pipe is used for secondary bending, the abrasion-proof effect is further improved, and the abrasion is reduced; because the heating area is reduced by covering the wear-resistant plastic material, the water-cooling screen pipe is additionally arranged at the front wall part of the hearth, so that the problem of insufficient evaporation capacity of a boiler is solved, two groups of suspenders are additionally arranged on the mounting wall, and can expand downwards along with the hearth during thermal operation, so that the practicability of the device is further improved, the water-cooling screen pipe is convenient to mount through the mutual cooperation of the fixing components, the stability of the water-cooling screen pipe during mounting is improved, and the mounting plate and the mounting column are convenient to rapidly dismount through the mutual cooperation of the dismounting components, so that the practicability of the device is improved;

1. through the burning guarding belt arranged at the vertical part at one end of the wall, circulating ash attached to the wall does not diffuse obliquely after passing through the straight section and continues to flow vertically and upwards, so that the abrasion of the contact part of the pouring material and the pipe is greatly reduced, and the water-cooling bent pipe is used for secondary bending, thereby further improving the abrasion-proof effect and reducing the abrasion;

2. because the heating area is reduced by covering the wear-resistant plastic material, a water-cooling screen pipe is added at the front wall part of the hearth, so that the problem of insufficient evaporation capacity of the boiler is solved, two groups of suspenders are added on the mounting wall, and the suspenders can expand downwards along with the hearth during hot operation, so that the practicability of the device is further improved;

3. through mutually supporting of components such as first spring, splint and telescopic link, be convenient for install water-cooling screen pipe to stability when improving water-cooling screen pipe installation through mutually supporting of components such as outer loop bar, interior loop bar, limiting plate, mounting panel, second spring and stopper, thereby be convenient for carry out quick dismouting to mounting panel and erection column, thereby improve the device's practicality.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a side cross-sectional view of the mounting plate of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 3 according to the present invention.

In the figure: 1. an inlet header; 2. a water-cooled screen pipe; 3. an outlet header; 4. water-cooling the bent pipe; 5. hanging a beam; 6. a boom; 7. mounting a column; 8. a mounting wall; 9. mounting a plate; 10. a limiting block; 11. a first spring; 12. a splint; 13. a telescopic rod; 14. an outer loop bar; 15. an inner loop bar; 16. a limiting plate; 17. a second spring; 18. a pull rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a novel fluidized bed boiler mixed-combustion coke oven gas treatment device comprises an installation wall 8, a water-cooling screen pipe 2 is arranged at the middle position of the top and the bottom of one end of the installation wall 8, a water-cooling bent pipe 4 is arranged at the top of one end of the installation wall 8, a hanging beam 5 is arranged at the top of the installation wall 8, two groups of suspenders 6 are arranged at the bottom of the hanging beam 5, one ends of the suspenders 6 far away from the hanging beam 5 are connected with the water-cooling bent pipe 4, four groups of installation columns 7 are arranged at the middle positions of the top and the bottom of one end of the installation wall 8 for convenient installation, an installation plate 9 is arranged at one end of each installation column 7 far away from the installation wall 8, a limit block 10 is arranged at one end of each installation column 7 far away from the installation wall 8 for convenient limit, the limit block 10 extends to the inside of the installation plate 9, a limit plate 16 is arranged at the, the outside that interior loop bar 15 kept away from limiting plate 16 one end is provided with outer loop bar 14, and the inside of stopper 10 is run through to the one end that interior loop bar 15 was kept away from to outer loop bar 14, and the outside that interior loop bar 15 is close to limiting plate 16 one end is provided with second spring 17, and the intermediate position department that outer loop bar 14 is close to interior loop bar 15 one side is provided with pull rod 18, and pull rod 18 extends to the outside of mounting panel 9, and mounting panel 9 is close to mounting wall 8 one end intermediate position department and is provided with fixed subassembly.

In this implementation, fixed subassembly includes first spring 11, splint 12 and telescopic link 13, telescopic link 13 is located the one end that mounting panel 9 is close to installation wall 8, the one end that mounting panel 9 was kept away from to telescopic link 13 is provided with splint 12, it is fixed to be convenient for, the outside of telescopic link 13 is provided with first spring 11, the one end that telescopic link 13 was kept away from to splint 12 is provided with multiunit arc recess, the one end that pull rod 18 is located mounting panel 9 outside is provided with the handle, the pulling of being convenient for, the one end of water-cooling screen pipe 2 is provided with import collection case 1, the one end that water-cooling screen pipe 2 kept away from import collection case 1 is provided with export collection case 3, the one end that erection column 7 is close to installation wall 8 is provided with the fixed plate.

The working principle is as follows: the vertical part at one end of the mounting wall 8 is a refractory belt, circulating ash attached to the wall does not diffuse obliquely after passing through the straight section but continues to flow vertically and upwards, the abrasion of the contact part of the upper surface of the casting material and the pipe is greatly reduced, and the water-cooling bent pipe 4 is used for secondary bending, so that the abrasion-proof effect is further improved, and the abrasion is reduced;

because the heating area is reduced by covering the wear-resistant plastic material, the water-cooling screen pipe 2 is additionally arranged at the front wall part of the hearth, so that the problem of insufficient evaporation capacity of the boiler is solved, two groups of suspenders 6 are additionally arranged on the mounting wall 8, and the suspenders can expand downwards along with the hearth during hot operation, so that the practicability of the device is further improved;

through mutually supporting of telescopic link 13 and first spring 11, can drive splint 12 and carry out quick fixed and spacing to water-cooling screen pipe 2, be convenient for install water-cooling screen pipe 2, thereby stability when improving the installation of water-cooling screen pipe 2, through pulling pull rod 18, slide and drive second spring 17 and compress on loop bar 15 including outer loop bar 14, it cancels the fixed to stopper 10 to drive outer loop bar 14 simultaneously, thereby be convenient for carry out quick dismouting to mounting panel 9 and erection column 7, thereby improve the device's practicality.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a novel fluidized bed boiler mixes and burns coke oven gas processing apparatus, includes installation wall (8), its characterized in that: the water-cooling screen pipe (2) is arranged at the middle position of the top and the bottom of one end of the installation wall (8), the water-cooling bent pipe (4) is arranged at the top of one end of the installation wall (8), the hanging beam (5) is arranged at the top of the installation wall (8), two groups of hanging rods (6) are arranged at the bottom of the hanging beam (5), one ends of the hanging beams (5) far away from the hanging rods (6) are connected with the water-cooling bent pipe (4), four groups of installation columns (7) are arranged at the middle positions of the top and the bottom of one end of the installation wall (8), one ends of the installation columns (7) far away from the installation wall (8) are provided with installation plates (9), limit blocks (10) are arranged at one ends of the installation columns (7) far away from the installation wall (8), the limit blocks (10) extend to the inside of the installation plates (9), and limit plates (16), limiting plate (16) top all is provided with interior loop bar (15) with the both sides of bottom, the outside that limiting plate (16) one end was kept away from in interior loop bar (15) is provided with outer loop bar (14), the inside that stopper (10) were run through to the one end that interior loop bar (15) were kept away from in outer loop bar (14), the outside that interior loop bar (15) are close to limiting plate (16) one end is provided with second spring (17), the intermediate position department that outer loop bar (14) are close to inner loop bar (15) one side is provided with pull rod (18), and pull rod (18) extend to the outside of mounting panel (9), mounting panel (9) are close to mounting wall (8) one end intermediate position department and are provided with fixed subassembly.

2. The novel fluidized bed boiler co-combustion coke oven gas treatment device of claim 1, characterized in that: fixed subassembly includes first spring (11), splint (12) and telescopic link (13), telescopic link (13) are located mounting panel (9) and are close to the one end of installation wall (8), the one end that mounting panel (9) were kept away from in telescopic link (13) is provided with splint (12), the outside of telescopic link (13) is provided with first spring (11).

3. The novel fluidized bed boiler co-combustion coke oven gas treatment device of claim 2, characterized in that: one end of the clamping plate (12) far away from the telescopic rod (13) is provided with a plurality of groups of arc-shaped grooves.

4. The novel fluidized bed boiler co-combustion coke oven gas treatment device of claim 1, characterized in that: and a handle is arranged at one end of the pull rod (18) positioned outside the mounting plate (9).

5. The novel fluidized bed boiler co-combustion coke oven gas treatment device of claim 1, characterized in that: the water-cooling screen pipe is characterized in that an inlet header (1) is arranged at one end of the water-cooling screen pipe (2), and an outlet header (3) is arranged at one end, far away from the inlet header (1), of the water-cooling screen pipe (2).

6. The novel fluidized bed boiler co-combustion coke oven gas treatment device of claim 1, characterized in that: one end of the mounting column (7) close to the mounting wall (8) is provided with a fixing plate, and four corners of one end of the fixing plate are provided with fixing bolts.