CN210480079U

CN210480079U - Air locking device for feed opening of sealed belt scale

Info

Publication number: CN210480079U
Application number: CN201921042679.5U
Authority: CN
Inventors: 张磊; 段福彬; 宋涛; 肖祖彬
Original assignee: Jianlong Xilin Iron And Steel Co Ltd
Current assignee: Jianlong Xilin Iron And Steel Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-05-08
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a feed opening airlock under sealed belt weigher relates to the coal pulverizer field, including sealed belt weigher, angle steel and old and useless belt, the feed opening thing both sides of sealed belt weigher all are provided with the angle steel, the equal fixedly connected with mounting panel in sealed belt weigher's upper surface both ends, first screw hole has been seted up to the both ends symmetry of mounting panel, two sets of second screw holes have been seted up to the bottom of angle steel, through threaded rod threaded connection between mounting panel and the angle steel, first through-hole has been seted up to the both ends symmetry of angle steel, the second through-hole has been seted up to the both ends symmetry of old and useless belt, the inside of second through-hole is. The utility model discloses an adopt the thing both sides respectively to add on the basis of the original feed opening of sealed belt weigher and establish angle steel and old and useless belt, the length that can the feed opening extends 1000mm forward to play the effect of lock wind, sealed belt weigher is reformed transform the back effect extremely obvious, has guaranteed that the powder process production lasts stably, and 8-10 hours clearance once can.

Description

Air locking device for feed opening of sealed belt scale

Technical Field

The utility model relates to a coal pulverizer field, in particular to sealed belt weigher feed opening airlock.

Background

The coal powder process system of the coal injection workshop section belongs to totally closed negative pressure operation, the seal belt weigher is the main apparatus providing raw coal for the coal pulverizer, the internal negative pressure can reach about 6KP, when the coal type changes, the feed opening of the original design can't meet the requirement of powder process, under the condition of starting and stopping the mill or adding and reducing the air suspension, the raw coal will suspend in the seal belt weigher, splash maliciously and cause the seal belt weigher tail pulley to cover the material seriously, the powder process will be forced to stop the machine to clear the coal deposit in the seal belt weigher at this moment, the average calculation must stop the machine once to clear every 40 minutes, otherwise cause the production accident very easily, because the powder process system is interrupted frequently, the influence is very big, one is greater to the apparatus damage; secondly, the power consumption is increased; thirdly, the labor intensity of the operating personnel is greatly increased; fourthly, the requirement of the coal extraction ratio of the blast furnace cannot be met.

Therefore, it is necessary to provide an air locking device for a feed opening of a sealed belt weigher to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed belt weigher feed opening airlock to solve the problem that proposes among the above-mentioned background art to the equipment damage great, increase power consumption, operation personnel intensity of labour greatly increased and can't satisfy blast furnace coal extraction than demand.

In order to achieve the above object, the utility model provides a following technical scheme: the air locking device for the feed opening of the sealing belt scale comprises the sealing belt scale, angle steel and waste belts, wherein the angle steel is arranged on each of the two sides of the feed opening of the sealing belt scale, mounting plates are fixedly connected to the two ends of the upper surface of the sealing belt scale, first threaded holes are symmetrically formed in the two ends of each mounting plate, two groups of second threaded holes are formed in the bottom end of each angle steel, and the mounting plates are in threaded connection with the angle steel through threaded rods;

first through holes are symmetrically formed in two ends of the angle steel, second through holes are symmetrically formed in two ends of the waste belt, fastening bolts are arranged inside the second through holes, one ends of the fastening bolts sequentially penetrate through the waste belt and the angle steel and are located on the front side of the angle steel, and nuts are connected to outer sides of one ends of the fastening bolts in a threaded mode.

Optionally, two second threaded holes are arranged in each of the two groups;

the position of the first threaded hole corresponds to the position of the second threaded hole;

the diameter of the first threaded hole is equal to that of the second threaded hole;

the first threaded hole and the second threaded hole are matched with the threaded rod.

Optionally, the waste belt is connected with the angle steel in a fitting manner;

the length of the waste belt is equal to that of the angle steel.

Optionally, the width of the mounting plate is equal to the width of the angle iron;

the position of the first through hole corresponds to that of the second through hole, and the diameters of the first through hole and the second through hole are matched with the fastening bolt.

Optionally, the extension length of the feed opening of the sealed belt scale is 1000 mm.

The utility model discloses a technological effect and advantage:

the utility model discloses an adopt the thing both sides respectively to add on the basis of the original feed opening of sealed belt weigher and establish angle steel and old and useless belt, the length that can the feed opening extends 1000mm forward to play the effect of lock wind, sealed belt weigher is reformed transform the back effect extremely obvious, has guaranteed that the powder process production lasts stably, and 8-10 hours clearance once can.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic sectional view of the mounting plate structure of the present invention.

Fig. 3 is a schematic side view and sectional view of the angle steel structure of the present invention.

In the figure: 1. sealing the belt weigher; 2. angle steel; 3. waste belts; 4. mounting a plate; 5. a first threaded hole; 6. a second threaded hole; 7. a threaded rod; 8. a first through hole; 9. a second through hole; 10. fastening a bolt; 11. and a nut.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The utility model provides a sealing belt weigher feed opening air locking device as shown in figures 1-3, which comprises a sealing belt weigher 1, angle steel 2 and waste belts 3, wherein the waste belts 3 are connected with the angle steel 2 in a laminating way, the length of the waste belts 3 is equal to that of the angle steel 2, the two sides of a feed opening of the sealing belt weigher 1 are respectively provided with the angle steel 2, both ends of the upper surface of the sealing belt weigher 1 are respectively and fixedly connected with a mounting plate 4, the width of the mounting plate 4 is equal to that of the angle steel 2, both ends of the mounting plate 4 are symmetrically provided with first threaded holes 5, the bottom end of the angle steel 2 is provided with two groups of second threaded holes 6, the positions of the two groups of second threaded holes 6 are respectively provided with two, the positions of the first threaded holes 5 correspond to the positions of the second threaded holes 6, the diameter of the first threaded holes 5 is equal to that, the first threaded hole 5 and the second threaded hole 6 are matched with the threaded rod 7, and the angle steel 2 can be fixedly connected with the mounting plate 4 and the sealing belt scale 1 through the matching arrangement of the first threaded hole 5, the second threaded hole 6 and the threaded rod 7;

first through-hole 8 has been seted up to angle steel 2's both ends symmetry, second through-hole 9 has been seted up to old and useless belt 3's both ends symmetry, the inside of second through-hole 9 is provided with fastening bolt 10, fastening bolt 10's one end runs through old and useless belt 3 and angle steel 2 in proper order and is located the front side of angle steel 2, fastening bolt 10's one end outside threaded connection has nut 11, through first through-hole 8, second through-hole 9, fastening bolt 10 and nut 11's cooperation setting, can be with old and useless belt 3 and angle steel 2 fixed connection, respectively add angle steel 2 and old and useless belt 3 through adopting on the basis of the original feed opening of sealed belt weigher 1, the length that can the feed opening extends 1000mm forward, thereby played the effect of lock wind, the effect is extremely obvious after sealed belt weigher 1 reforms transform, guaranteed that the powder process production lasts stably, it can once to clear up 8-.

This practical theory of operation: by respectively adding angle steel 2 and waste belt 3 on the two sides of an original feed opening of the sealed belt scale 1 and extending the length of the feed opening forwards by 1000mm, the effect of air locking is achieved, the effect is very obvious after the sealed belt scale 1 is transformed, the continuous and stable powder making production is ensured, and the cleaning is carried out once within 8-10 hours.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a sealed belt weigher feed opening airlock, includes sealed belt weigher (1), angle steel (2) and old and useless belt (3), its characterized in that: angle steel (2) are arranged on two sides of a discharging opening of the sealed belt scale (1), two ends of the upper surface of the sealed belt scale (1) are fixedly connected with mounting plates (4), first threaded holes (5) are symmetrically formed in two ends of each mounting plate (4), two groups of second threaded holes (6) are formed in the bottom end of each angle steel (2), and the mounting plates (4) are in threaded connection with the angle steel (2) through threaded rods (7);

first through-hole (8) have been seted up to the both ends symmetry of angle steel (2), second through-hole (9) have been seted up to the both ends symmetry of old and useless belt (3), the inside of second through-hole (9) is provided with fastening bolt (10), the one end of fastening bolt (10) runs through old and useless belt (3) and angle steel (2) in proper order and is located the front side of angle steel (2), the one end outside threaded connection of fastening bolt (10) has nut (11).

2. The air lock device for the feed opening of the belt weigher as claimed in claim 1, wherein:

two second threaded holes (6) are arranged in each group;

the position of the first threaded hole (5) corresponds to the position of the second threaded hole (6);

the diameter of the first threaded hole (5) is equal to that of the second threaded hole (6);

the first threaded hole (5) and the second threaded hole (6) are matched with the threaded rod (7).

3. The air lock device for the feed opening of the belt weigher as claimed in claim 1, wherein:

the waste belt (3) is attached to the angle steel (2);

the length of the waste belt (3) is equal to that of the angle steel (2).

4. The air lock device for the feed opening of the belt weigher as claimed in claim 1, wherein:

the width of the mounting plate (4) is equal to that of the angle steel (2);

the position of the first through hole (8) corresponds to the position of the second through hole (9), and the diameters of the first through hole (8) and the second through hole (9) are matched with the fastening bolt (10).