CN212841650U

CN212841650U - A air damper for dry-type slag extractor

Info

Publication number: CN212841650U
Application number: CN202021268255.3U
Authority: CN
Inventors: 刘芃; 匡智强
Original assignee: Qingdao Zhixin Power Equipment Co ltd
Current assignee: Qingdao Zhixin Power Equipment Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-30
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses an air damper for a dry slag extractor, which comprises a main pipeline, wherein a rectangular equipment box is fixedly arranged on one side of the main pipeline, and an adjusting component and a limiting component are respectively arranged inside the equipment box; a circular plate-shaped wind door plate is horizontally and movably arranged at the upper part in the main pipeline, a rectangular column which is transversely arranged is arranged in the middle of the bottom surface of the wind door plate, a rectangular through hole is transversely formed in the middle of one side surface of the rectangular column, and a rotating shaft is transversely arranged in the through hole; the upper parts of the front and rear end surfaces of the rectangular column are fixedly provided with supporting components; the utility model is convenient to adjust, solves the problem that the capital saving is not facilitated through the supporting component and the limiting bolt, and solves the problem that the wind door plate is inconvenient for workers to install and disassemble; the problem that the angle deflection is easy to occur under the action of gravity after the existing air door plate is adjusted is solved through the limiting assembly; the problem that the working efficiency of workers is low when the existing air door is adjusted is solved through the driving assembly.

Description

A air damper for dry-type slag extractor

Technical Field

The utility model relates to a technical field that dry-type slag extractor air door was adjusted especially relates to an air damper for dry-type slag extractor.

Background

The working principle of the dry slag extractor is that ambient air is sucked by the aid of micro-negative pressure at the bottom of a hearth of the pulverized coal fired boiler, and the ambient air exchanges heat with bottom ash slag discharged by the boiler and cools the bottom ash slag; strict requirements are placed on the amount of cooling air, otherwise the thermal efficiency of the boiler is reduced; when the boiler is in actual operation, the total air volume changes along with the load change, and the opening degree of the air inlet door needs to be adjusted frequently; generally, when workers manually adjust the opening of the air door in a rotating manner, the opening of the door plate of the air door is manually controlled by manual experience, so that the control is inaccurate and discontinuous, the labor capacity of the workers is large, and the working efficiency is low; the existing air door plate of the air door is integrally replaced after being damaged, which is not beneficial to saving money and inconvenient for workers to install and detach; meanwhile, after the existing air door plate is adjusted, the air door plate is easy to deflect at an angle under the action of gravity.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect of poor practicability in the prior art and providing a regulating damper for a dry-type slag extractor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a regulating air door for a dry slag extractor comprises a main pipeline, wherein the main pipeline is in a shape of a vertically arranged round pipe, horizontally arranged connecting flanges are fixedly arranged at the top end and the bottom end of the main pipeline, and a plurality of circular connecting screw holes are vertically formed in the top surface of each connecting flange at equal intervals; a rectangular equipment box is fixedly installed on one side of the pipe body of the main pipeline, and a driving assembly and a limiting assembly are respectively arranged inside the equipment box; a circular plate-shaped wind door plate is horizontally and movably arranged at the upper part in the main pipeline, a rectangular column which is transversely arranged is arranged in the middle of the bottom surface of the wind door plate, a rectangular through hole is transversely formed in the middle of one side surface of the rectangular column, a rotating shaft is transversely arranged in the through hole, bearing grooves are formed in the inner walls of the two sides of the main pipeline, a vertically arranged bearing is fixedly arranged in each bearing groove, and the two ends of the rotating shaft are fixedly connected in the inner ring of each bearing; and the upper parts of the front and rear end surfaces of the rectangular column are fixedly provided with supporting components.

Preferably, the supporting component includes first strengthening rib, second strengthening rib and connecting bolt the equal fixed mounting in middle part of terminal surface has the first strengthening rib of vertical level setting around the rectangle post the both sides fixed mounting of terminal surface has the second strengthening rib of vertical level setting around the rectangle post, just the length of second strengthening rib is less than the length of first strengthening rib first screw hole has all been seted up to the front and back end of the bottom surface of first strengthening rib and second strengthening rib, at every equal screwed connection has the connecting bolt of vertical setting in the screw hole the bottom surface of wind door plant all cooperates the vertical second screw hole of having seted up of connecting bolt, and every the equal screwed connection in second screw hole in connecting bolt's top.

Preferably, the axis body middle part that the axis of rotation is located the through hole is fixed to be equipped with the stopper of rectangle of cover the both sides in the middle part of the bottom surface of rectangle post are all vertically blocked and are equipped with the third screw hole, every equal screwed connection has the spacing bolt of vertical setting in the third screw hole the both sides of axis of rotation middle part axis body are all vertically seted up fourth screw hole the both sides in bottom surface middle part of the wind door plant all cooperate spacing bolt to set up fifth screw hole, and every the top of spacing bolt all passes from fourth screw hole to screwed connection is in fifth screw hole.

Preferably, a horizontally arranged sealing plate is fixedly installed on the top surface of the wind door plate, and a layer of sealing gasket is fixedly installed on the inner wall of the main pipeline.

Preferably, the drive assembly includes motor, driving gear and driven gear bottom one side fixed mounting in the equipment box has the motor of horizontal setting the fixed driving gear that is equipped with vertical setting in motor shaft top of motor, the one end of axis of rotation runs through into the equipment box the fixed driven gear that is equipped with vertical setting that covers on the axis of rotation is located the one end axis body of equipment box, just meshing transmission between driving gear and the driven gear.

Preferably, spacing subassembly includes electric push cylinder, hexagonal inserted block and hexagonal slot the upper portion fixed mounting of equipment box one side has the electric push cylinder of horizontal setting the flexible end top fixed mounting of electric push cylinder has the hexagonal inserted block of horizontal setting the hexagonal inserted block of a terminal surface middle part cooperation hexagonal inserted block that the axis of rotation is located the equipment box has transversely seted up the hexagonal slot, just hexagonal inserted block activity is inserted and is established in the hexagonal slot.

Compared with the prior art, the beneficial effects of the utility model are that: in the utility model, the water-saving device is provided with a water-saving valve,

1. the supporting assembly and the limiting bolt are convenient for workers to mount and dismount the air door plate, the cost for integrally replacing the air door plate is effectively reduced, and the problem that the cost is not favorable for saving money because the air door plate of the existing air door is integrally replaced after being damaged is solved; the problem that the air door plate in the existing air door is inconvenient to work and assemble and disassemble is solved;

2. the limit component is convenient for preventing the opening and closing angle of the air door panel from deflecting under the action of gravity; the problem that the existing air door plate is easy to deflect under the action of gravity after being adjusted is solved; the convenience of the air door in adjustment is effectively improved through the driving assembly; the working efficiency of workers during adjustment is effectively improved, and the labor amount and labor intensity of the workers are effectively reduced; the problem of current air door staff's work efficiency when adjusting is lower is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limitation. In the drawings:

fig. 1 is a schematic view of a front view cross-sectional structure provided by the present invention;

fig. 2 is a schematic bottom view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention;

fig. 4 is a schematic view of a cross-sectional structure of a rectangular column according to the present invention;

number in the figure: the main pipeline 1, the flange 2, the equipment box 3, the connecting screw hole 4, the wind door plate 5, the rectangular column 6, the rotating shaft 7, the bearing 8, the first reinforcing rib 9, the second reinforcing rib 10, the connecting bolt 11, the limiting bolt 12, the limiting block 13, the sealing plate 14, the sealing gasket 15, the motor 16, the driving gear 17, the driven gear 18, the electric pushing cylinder 19, the hexagonal plug-in block 20 and the hexagonal slot 21.

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.

Example 1: referring to fig. 1-4, the utility model provides a damper for a dry slag extractor, including main pipe 1, main pipe 1 is the vertical round tubular that sets up, fixedly installs a layer of sealed pad 15 on the inner wall of main pipe 1; the top end and the bottom end of the main pipeline 1 are fixedly provided with connecting flanges 2 which are horizontally arranged, and the top surface of each connecting flange 2 is vertically provided with a plurality of round connecting screw holes 4 at equal intervals; a rectangular equipment box 3 is fixedly installed on one side of the pipe body of the main pipe 1, and a driving assembly and a limiting assembly are respectively arranged inside the equipment box 3; a circular plate-shaped wind door plate 5 is horizontally and movably arranged at the upper part in the main pipeline 1, a sealing plate 14 which is horizontally arranged is fixedly arranged on the top surface of the wind door plate 5, a rectangular column 6 which is transversely arranged is arranged in the middle of the bottom surface of the wind door plate 5, a rectangular through hole is transversely formed in the middle of one side surface of the rectangular column 6, a rotating shaft 7 is transversely arranged in the through hole, bearing grooves are respectively formed in the inner walls of two sides of the main pipeline 1, a vertically arranged bearing 8 is fixedly arranged in each bearing groove, and two ends of each rotating shaft 7 are fixedly connected in the inner ring of each bearing 8; and supporting components are fixedly arranged on the upper parts of the front and rear end surfaces of the rectangular column 6, and the sealing performance of the air door panel 5 during closing is effectively improved through the sealing plate 14 and the sealing gasket 15.

The utility model discloses in, the supporting component includes first strengthening rib 9, second strengthening rib 10 and connecting bolt 11 the equal fixed mounting in middle part of terminal surface has first strengthening rib 9 that vertical level set up around the rectangle post 6 the both sides fixed mounting of rear end face has second strengthening rib 10 that vertical level set up before the rectangle post 6, just the length of second strengthening rib 10 is less than the length of first strengthening rib 9 first screw hole has all been seted up to the front and back end of the bottom surface of first strengthening rib 9 and second strengthening rib 10, every equal screwed connection has the connecting bolt 11 of vertical setting in the screw hole the bottom surface of wind door plant 5 all cooperates connecting bolt 11 vertically to have seted up the second screw hole, and every the equal screwed connection in second screw hole in top of connecting bolt 11.

The utility model discloses in the axis of rotation 7 is located the stopper 13 that the fixed cover of axis body middle part in through hole was equipped with the rectangle the equal vertical card in both sides at the bottom surface middle part of rectangle post 6 is equipped with the third screw hole, at every equal screwed connection has the spacing bolt 12 of vertical setting in the third screw hole the equal vertical fourth screw hole of having seted up in both sides of axis of rotation 7 middle part axis body the both sides at 5 bottom surface middle parts of wind door plant all cooperate spacing bolt 12 to have seted up the fifth screw hole, and every the top of spacing bolt 12 all passes from the fourth screw hole to screwed connection is in the fifth screw hole.

In the present invention, the driving assembly includes a motor 16, a driving gear 17 and a driven gear 18, the motor 16 is of a type YCTL 160-4A; a transversely arranged motor 16 is fixedly installed on one side of the bottom in the equipment box 3, a driving gear 17 which is vertically arranged is fixedly sleeved on the top end of a motor shaft of the motor 16, one end of the rotating shaft 7 penetrates into the equipment box 3, a driven gear 18 which is vertically arranged is fixedly sleeved on a shaft body at one end of the rotating shaft 7, which is positioned in the equipment box 3, and the driving gear 17 and the driven gear 18 are in meshing transmission, so that the convenience of the air door during adjustment is effectively improved through a driving assembly; the working efficiency of workers during adjustment is effectively improved, and the labor amount and labor intensity of the workers are effectively reduced; the limiting assembly comprises an electric pushing cylinder 19, a hexagonal inserting block 20 and a hexagonal inserting groove 21, the electric pushing cylinder 19 transversely arranged is fixedly mounted at the upper part of one side of the equipment box 3, and the model of the electric pushing cylinder 19 is KA 7; a hexagonal insertion block 20 which is transversely arranged is fixedly installed at the top of the telescopic end of the electric pushing cylinder 19, a hexagonal insertion groove 21 is transversely formed in the middle of one end face, located in the equipment box 3, of the rotating shaft 7 in a manner of being matched with the hexagonal insertion block 20, and the hexagonal insertion block 20 is movably inserted into the hexagonal insertion groove 21; the condition that the opening and closing angle of the wind door plate 5 deflects under the action of gravity is convenient to prevent through the limiting assembly.

Example 2: when the utility model is used, firstly, the motor 16 and the electric pushing cylinder 19 are respectively and electrically connected with an external power supply through guiding; then the air door plate 5 is fixedly arranged on the supporting component through the connecting bolt 11, and the supporting strength of the air door plate 5 is effectively improved through the supporting component; the connection strength between the wind door plate 5 and the rectangular column 6 is increased; the stability of the air door plate 5 during overturning is effectively improved; meanwhile, the rectangular column 6 is fixed in the middle of the bottom surface of the air door plate 5 through a limiting bolt 12; the supporting assembly and the limiting bolt 12 are convenient for workers to mount and dismount the air door plate 5, the cost for integrally replacing the air door plate is effectively reduced, and the problem that the existing air door plate of the air door is damaged and then integrally replaced, which is not beneficial to saving money is solved; the problem that the air door plate in the existing air door is inconvenient for workers to install and detach is solved;

after the air door plate 5 is installed, the driving gear 17 is driven to rotate through the control motor 16, the rotating shaft 7 is driven to rotate conveniently through the meshing transmission of the driving gear 17 and the driven gear 18, and the air door 5 on the top surface of the rectangular column 6 is driven to turn and adjust conveniently through the rotation of the rotating shaft 7; after the angle of the wind door plate is adjusted, the electric pushing cylinder 19 is controlled to stretch so as to conveniently drive the hexagonal insertion block 20 to be inserted into the hexagonal insertion groove 21, so that the adjusted wind door plate 5 is conveniently limited, and the condition that the opening and closing angle of the wind door plate 5 deflects under the action of gravity is conveniently prevented; the problem that the existing air door plate is easy to deflect under the action of gravity after being adjusted is solved; the convenience of the air door in adjustment is effectively improved through the driving assembly; the working efficiency of workers during adjustment is effectively improved, and the labor amount and labor intensity of the workers are effectively reduced; the problem of current air door staff's work efficiency when adjusting is lower is solved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a damper for dry-type slag extractor, includes trunk line (1), its characterized in that: the main pipeline (1) is in a shape of a vertically arranged round pipe, horizontally arranged connecting flanges (2) are fixedly arranged at the top end and the bottom end of the main pipeline (1), and a plurality of round connecting screw holes (4) are vertically arranged on the top surface of each connecting flange (2) at equal intervals; a rectangular equipment box (3) is fixedly installed on one side of the pipe body of the main pipe (1), and a driving assembly and a limiting assembly are respectively arranged inside the equipment box (3); a circular plate-shaped wind door plate (5) is horizontally and movably arranged at the upper part in the main pipeline (1), a rectangular column (6) which is transversely arranged is arranged in the middle of the bottom surface of the wind door plate (5), a rectangular through hole is transversely formed in the middle of one side surface of the rectangular column (6), a rotating shaft (7) is transversely arranged in the through hole, bearing grooves are respectively formed in the inner walls of two sides of the main pipeline (1), a vertically arranged bearing (8) is fixedly arranged in each bearing groove, and two ends of the rotating shaft (7) are fixedly connected in the inner ring of each bearing (8); and supporting components are fixedly arranged on the upper parts of the front end surface and the rear end surface of the rectangular column (6).

2. A damper for a dry slag extractor according to claim 1, wherein: the support component comprises a first reinforcing rib (9), a second reinforcing rib (10) and a connecting bolt (11), the middle parts of the front and rear end surfaces of the rectangular column (6) are fixedly provided with first reinforcing ribs (9) which are longitudinally and horizontally arranged, second reinforcing ribs (10) which are longitudinally and horizontally arranged are fixedly arranged on two sides of the front end surface and the rear end surface of the rectangular column (6), and the length of the second reinforcing rib (10) is less than that of the first reinforcing rib (9), the front end and the rear end of the bottom surfaces of the first reinforcing rib (9) and the second reinforcing rib (10) are both provided with a first threaded hole, a vertically arranged connecting bolt (11) is spirally connected in each threaded hole, the bottom surfaces of the wind door plates (5) are vertically provided with second threaded holes by matching with connecting bolts (11), and the top end of each connecting bolt (11) is screwed in the second threaded hole.

3. A damper for a dry slag extractor according to claim 1, wherein: the fixed cover in axis body middle part that axis of rotation (7) is located the through hole is equipped with stopper (13) of rectangle the equal vertical card in both sides in bottom surface middle part of rectangle post (6) is equipped with the third screw hole, at every equal screwed connection has vertical setting's stop bolt (12) in the third screw hole the equal vertical fourth screw hole of having seted up in both sides of axis of rotation (7) middle part axis body the both sides in bottom surface middle part of wind door plant (5) all cooperate stop bolt (12) to set up fifth screw hole, and every the top of stop bolt (12) all passes from the fourth screw hole to screwed connection is in fifth screw hole.

4. A damper for a dry slag extractor according to claim 1, wherein: a sealing plate (14) which is horizontally arranged is fixedly arranged on the top surface of the air door plate (5), and a layer of sealing gasket (15) is fixedly arranged on the inner wall of the main pipeline (1).

5. A damper for a dry slag extractor according to claim 1, wherein: drive assembly includes motor (16), driving gear (17) and driven gear (18) bottom one side fixed mounting in equipment box (3) has motor (16) of horizontal setting the fixed driving gear (17) that are equipped with vertical setting in motor shaft top of motor (16), the one end of axis of rotation (7) runs through into in equipment box (3) fixed cover driven gear (18) that are equipped with vertical setting on the one end axis body that axis of rotation (7) are located equipment box (3), just meshing transmission between driving gear (17) and driven gear (18).

6. A damper for a dry slag extractor according to claim 1, wherein: spacing subassembly includes electric push cylinder (19), hexagonal inserted block (20) and hexagonal slot (21) the upper portion fixed mounting of equipment box (3) one side has electric push cylinder (19) of horizontal setting the flexible end top fixed mounting of electric push cylinder (19) has hexagonal inserted block (20) of horizontal setting hexagonal inserted block (21) has transversely been seted up in a terminal surface mid-mounting hexagonal inserted block (20) that axis of rotation (7) are located equipment box (3), just hexagonal inserted block (20) activity is inserted and is established in hexagonal slot (21).