CN215982663U

CN215982663U - Explosion-proof door device of horizontal internal combustion natural gas boiler

Info

Publication number: CN215982663U
Application number: CN202121957543.4U
Authority: CN
Inventors: 马振华; 李鹏刚
Original assignee: Huadian Electric Power Research Institute Co Ltd
Current assignee: Huadian Electric Power Research Institute Co Ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-03-08
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses an explosion door device of a horizontal internal combustion natural gas boiler, which comprises a door frame and a door plate, wherein the door plate is matched with the door frame; the side wall of the sealing ring is fixedly connected with an inner tube, an extension spring is arranged in the inner tube, an inner threaded tube is fixedly connected at the position, adjacent to the inner tube, of the side wall of the sealing ring, the inner threaded tube is matched with an adjusting bolt, and one end of the adjusting bolt penetrates through a door frame and is in threaded connection with the inner side wall of the inner threaded tube; the lower extreme outside joint of mount pad has the inlayer pipe, and the regulating pipe has been cup jointed in the outside of inlayer pipe, and the positioning tube that is used for supporting has been cup jointed to the bottom of regulating pipe, installs spacing spring in inlayer pipe, regulating tube and the positioning tube. After the door plate is connected with the door frame, the adjusting bolt is rotated, the sealing ring moves towards the door plate, a gap between the door frame and the door plate is filled, and the sealing performance between the door plate and the door frame is improved.

Description

Explosion-proof door device of horizontal internal combustion natural gas boiler

Technical Field

The utility model relates to the technical field of explosion vents of gas boilers, in particular to an explosion vent device of a horizontal internal combustion natural gas boiler.

Background

When a chamber combustion boiler using pulverized coal, oil or combustible gas as fuel is not operated properly in ignition or operation, deflagration or secondary combustion of a hearth or a tail flue can be caused to cause the rise of the pressure in the boiler, and the explosion-proof door used by the boiler can be opened to release the pressure automatically when the pressure rises to a certain value so as to protect a safety device of a boiler wall.

Chinese patent publication No. CN213362547U discloses an explosion vent device of a natural gas boiler, which belongs to the technical field of explosion vents of gas boilers, and comprises a valve, a damping mechanism and a cleaning mechanism, wherein the damping mechanism is located on the upper surface of the valve, the damping mechanism comprises a first rotating shaft, a push rod is movably sleeved on the outer surface of the first rotating shaft, one end of the push rod is fixedly connected with a rubber pad, an air rod is movably sleeved on the outer surface of the rubber pad, an air inlet hole and an air outlet hole are respectively arranged on the outer surface of the air rod, the valve can be decelerated on the way of returning to the original position after the pressure relief is completed by using the damping mechanism comprising the air inlet hole, the air outlet hole and the push rod, so that the valve is slowly closed on the pressure relief opening, the thermal insulation coating on the inner surface of the valve is prevented from being vibrated to cause damage, and the cleaning mechanism comprising a baffle plate, a fan blade and the rotating shaft is capable of applying force to the fan to rotate in the pressure relief process, when the valve returns to the near-home position, dust on the upper surface of the valve can be cleaned to a certain degree.

However, the explosion vent is relatively labor-consuming in installation, workers need to lift the support explosion vent for a long time to install, time and labor are wasted, the sealing performance of the explosion vent needs to be further improved, the safety is improved, and therefore the explosion vent device of the horizontal internal combustion natural gas boiler is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide the explosion door device of the horizontal internal combustion natural gas boiler with reasonable structural design.

The technical scheme adopted by the utility model for solving the problems is as follows: an explosion door device of a horizontal internal combustion natural gas boiler comprises a door frame and a door plate, wherein the door plate is matched with the door frame; the side wall of the sealing ring is fixedly connected with an inner tube, an extension spring is installed in the inner tube, an inner threaded tube is fixedly connected to the position, adjacent to the inner tube, of the side wall of the sealing ring, the inner threaded tube is matched with an adjusting bolt, and one end of the adjusting bolt penetrates through a door frame and is in threaded connection with the inner side wall of the inner threaded tube; the lower extreme outside joint of mount pad has the inlayer pipe, the outside of inlayer pipe has cup jointed the control tube, the registration arm that is used for the support is cup jointed to the bottom of control tube, install spacing spring in inlayer pipe, control tube and the registration arm.

Furthermore, one side fixedly connected with dead lever of door frame, one side fixedly connected with adjustable shelf of door plant, adjustable shelf and dead lever cooperation make the door plant open and shut in the door frame.

Furthermore, the adjusting pipe can reset after moving outside the inner-layer pipe.

Further, the bottom of the positioning pipe is fixed through a mounting bolt.

Compared with the prior art, the utility model has the following advantages and effects:

1. this explosion vent device of horizontal internal combustion natural gas boiler sets up through the cooperation between sealing washer, extension spring, inner tube, adjusting bolt and the internal thread pipe, and the staff rotates adjusting bolt after being connected the door plant and door frame, and the sealing washer removes to door plant department, fills the gap between door frame and the door plant, has increased the leakproofness between door plant and the door frame, has improved the device's security.

2. This explosion vent device of horizontal internal combustion natural gas boiler, through the cooperation setting between bottom tube, mount pad, inlayer pipe, spacing spring, regulating pipe and the registration arm, the staff can be fixed the registration arm subaerial when dismantling or installing the device, supports door plant and door frame, is favorable to the staff to install door plant and door frame, has improved dismouting efficiency, has reduced the inconvenience of dismouting in-process.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is an exploded view of the inner tube of the present invention;

fig. 4 is a schematic diagram of the explosion at the conditioning tube of the present invention.

In the figure: the sealing ring device comprises a sealing ring 1, a door frame 2, a door panel 3, a mounting seat 4, a bottom pipe 5, an extension spring 6, an inner pipe 7, an adjusting bolt 8, an internal threaded pipe 9, an inner pipe 11, a limiting spring 12, an adjusting pipe 13, a positioning pipe 14, a movable frame 16, a mounting bolt 17 and a fixing rod 18.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Examples are given.

Referring to fig. 1 to 4, in the embodiment, the explosion door apparatus of the horizontal internal combustion natural gas boiler includes a door frame 2 and a door plate 3, the door plate 3 is matched with the door frame 2, a movable sealing ring 1 is clamped on an inner side wall of the door frame 2, a bottom pipe 5 is fixedly connected to a lower surface of the door plate 3, and a rotatable mounting seat 4 is installed in the bottom pipe 5.

The side wall of the sealing ring 1 is fixedly connected with an inner pipe 7, an extension spring 6 is installed in the inner pipe 7, and the sealing ring 1 can change the position in the door frame 2 through the arrangement of the extension spring 6 to fill a gap between the door plate 3 and the door frame 2; the lateral wall of sealing washer 1 and the adjacent position fixedly connected with internal thread pipe 9 of inner tube 7, internal thread pipe 9 and the cooperation of adjusting bolt 8, adjusting bolt 8's one end run through door frame 2 and with the inside wall threaded connection of internal thread pipe 9, through adjusting bolt 8's setting, rotate adjusting bolt 8, can change the position of sealing washer 1 in door frame 2, be close to 3 departments of door plant, remove and extrude sealing washer 1.

An inner pipe 11 is clamped on the outer side of the lower end of the mounting seat 4, an adjusting pipe 13 is sleeved on the outer side of the inner pipe 11, a positioning pipe 14 for supporting is sleeved at the bottom of the adjusting pipe 13, a limiting spring 12 is arranged in the inner pipe 11, the adjusting pipe 13 and the positioning pipe 14, the adjusting pipe 13 can reset after moving on the outer side of the inner pipe 11, and the bottom of the positioning pipe 14 is fixed through a mounting bolt 17; through the setting of spacing spring 12, can change the height of inlayer pipe 11 in the surface of mount pad 4 and inlayer pipe 11 in adjusting tube 13 respectively, through the setting of construction bolt 17, behind positioning tube 14 and the ground contact, can use construction bolt 17 to fix positioning tube 14 subaerial, support door plant 3 department.

One side of the door frame 2 is fixedly connected with a fixed rod 18, one side of the door panel 3 is fixedly connected with a movable frame 16, and the movable frame 16 is matched with the fixed rod 18, so that the door panel 3 can be opened and closed in the door frame 2.

In the utility model, the working steps of the device are as follows:

1. firstly, after a worker connects a door plate 3 with a door frame 2, the worker rotates an adjusting bolt 8, a sealing ring 1 moves towards the door plate 3, and a gap between the door frame 2 and the door plate 3 is filled;

2. secondly, when the device is disassembled or assembled, a worker can pull the positioning pipe 14 downwards to enable the positioning pipe 14 to be in contact with the ground and to be positioned by using the mounting bolt 17;

3. then, after use, the inner tube 11, the adjusting tube 13 and the positioning tube 14 are retracted, and the mounting seat 4 can rotate in the bottom tube 5, so as to change the angles of the inner tube 11, the adjusting tube 13 and the positioning tube 14.

Those not described in detail in this specification are well within the skill of the art.

In addition, it should be noted that the above contents described in the present specification are only illustrations of the structures of the present invention. All equivalent variations of the structures, features and principles described in accordance with the present inventive concepts are included within the scope of the present invention. Those skilled in the art to which the utility model relates will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the utility model as disclosed in the accompanying claims.

Claims

1. An explosion door device of a horizontal internal combustion natural gas boiler comprises a door frame (2) and a door plate (3), wherein the door plate (3) is matched with the door frame (2), and the explosion door device is characterized in that a movable sealing ring (1) is clamped on the inner side wall of the door frame (2), the lower surface of the door plate (3) is fixedly connected with a bottom pipe (5), and a rotatable mounting seat (4) is mounted in the bottom pipe (5); the utility model discloses a sealing washer, including sealing washer (1), the lateral wall fixedly connected with inner tube (7) of sealing washer (1), install extension spring (6) in inner tube (7), the lateral wall of sealing washer (1) and the adjacent position fixedly connected with internal thread pipe (9) of inner tube (7), internal thread pipe (9) and adjusting bolt (8) cooperation, the one end of adjusting bolt (8) run through door frame (2) and with the inside wall threaded connection of internal thread pipe (9).

2. The explosion vent device of the horizontal internal combustion natural gas boiler according to claim 1, wherein an inner pipe (11) is clamped at the outer side of the lower end of the mounting seat (4), an adjusting pipe (13) is sleeved at the outer side of the inner pipe (11), a positioning pipe (14) for supporting is sleeved at the bottom of the adjusting pipe (13), and a limiting spring (12) is installed in the inner pipe (11), the adjusting pipe (13) and the positioning pipe (14).

3. An explosion vent apparatus for a horizontal internal combustion natural gas boiler according to claim 1, wherein a fixed rod (18) is fixedly connected to one side of the door frame (2), a movable frame (16) is fixedly connected to one side of the door panel (3), and the movable frame (16) is engaged with the fixed rod (18).

4. A explosion vent apparatus for a horizontal internal combustion natural gas boiler according to claim 2, wherein the bottom of the positioning tube (14) is fixed by a mounting bolt (17).