KR101861599B1 - Door for facilities - Google Patents

Abstract

The present invention relates to a door for facilities and, more specifically, relates to a door for facilities, which is installed in a boiler, a desulfurization system, and a dust collector. The door for facilities comprises: a door casing having a first case that has a plate shape in which a through hole is formed, a second case that has a smaller width than the first case in a horizontal direction, and has a rectangular shape connected to a rear surface of the first case, and a first transmission unit and a second transmission unit that have a place shape, and are individually formed on upper and lower surfaces of the second case; and a door having a third case that has a plate shape, and a first convex portion formed on a rear surface of the third case to be inserted into the through hole of the first case.

Description

{DOOR FOR FACILITIES}

More particularly, the present invention relates to a door installed in a boiler facility (waste heat recovery boiler facility, heavy oil boiler facility, coal boiler facility, etc.), desulfurization facility, and dust collecting facility.

The Heat Recovery Steam Generator (HRSG) facility is a device installed in a combined cycle power plant for efficient use of energy. Combined-Cycle Power Generation System is a system that combines two or more power generation cycles to obtain high thermal efficiency. It converts the arrangement of gas turbines, the primary power generation cycle, from waste heat recovery boiler equipment to steam and recovers them from the steam turbine to be.

FIG. 1 is a schematic diagram of a combined-cycle power generation system in which the arrangement of a gas turbine generator (G.T. Generator), a gas turbine, a waste heat recovery boiler (HRSG), and a steam turbine generator (S.T. Generator) can be confirmed.

The waste heat recovery boiler is a boiler for generating steam by using high-temperature exhaust gas produced after power is generated from a gas turbine, and for generating electric power by driving the steam turbine using the generated steam.

As shown in FIG. 2, the waste heat recovery boiler facility includes a duct unit 10 through which waste gas is introduced from a gas turbine, and a duct unit 10 extending from the duct unit 10, A module casing unit 20 in which various heat exchange modules are disposed in various stages and a stack 30 installed at the end of the module casing unit 20 and discharging waste gas passing through the module casing unit 20 .

The module casing portion 20 of such a waste heat recovery boiler facility is required to inspect and maintain the inside of the boiler.

The waste heat recovery boiler facility is an example, and it is a matter of course that internal boiler facilities (heavy oil boiler, coal boiler, etc.), desulfurization equipment, and dust collection equipment are also required to be internally inspected and maintained.

Therefore, it is necessary to install a large number of equipment access doors 40 that can be accessed by an operator.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a door for a facility access which minimizes the release of internal material from the inside of the facility to the outside and can prevent warpage.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not intended to limit the invention to the precise form disclosed. There will be.

According to an aspect of the present invention, there is provided a door for accessing a facility.

In the embodiment of the present invention, the door for equipment entrance and exit includes a first case having a plate shape in which a through hole is formed, a second case having a rectangular parallelepiped shape having a smaller width in the horizontal direction than the first case, A door case and a plate-like third case each having a plate-shaped first and second transverse portions respectively formed on the upper and lower surfaces of the second case, And a door having a rectangular first convex portion formed on the rear surface.

In the embodiment of the present invention, the door for equipment entrance and exit further includes an opening / closing portion for opening / closing the door from the door casing by a pivoting operation, the opening / closing portion includes a first arm fixing base provided on the door, A first arm fixed to the first arm, a first arm fixed to the first arm by a first hinge pin and a first arm fixed to the first arm by a first hinge pin, And a second rod arm including a rod arm hinged by a third hinge pin.

In the embodiment of the present invention, the door for accessing the facility further includes a lock portion for holding the door and the door casing in a locked state, and the lock portion includes a first connecting member having one end connected to the other side of the second case, A coupling member hinged to the other end of the first coupling member and formed with a screw groove along an outer circumferential surface thereof, a coupling member engaged with the screw groove and moving along the screw by rotation, And a third rod arm hinged to the third arm fixing rod and formed with a groove into which a screw can be inserted.

In the embodiment of the present invention, the door for equipment access is further coupled to the door, and further includes a pressing portion for applying pressure to the door. The pressing portion includes a contact portion coupled to the door at a plurality of areas, And a pressure transmitting portion for applying pressure to the portion.

In the embodiment of the present invention, the contact portion may include a plurality of first contact members coupled with the door, a second connection member disposed in parallel with the plurality of first contact members and connecting the plurality of first contact members to each other, A plurality of second contact members coupled to the door, a third connecting member disposed perpendicularly to the plurality of second contact members and connecting the second contact members to each other, and a second connecting member connected to the second connecting member and the third connecting member And a fourth connecting member for connecting the first connecting member and the second connecting member.

In an embodiment of the present invention, the second linking member and the third linking member are parallel to each other, and the fourth linking member is vertically coupled to the second linking member and the third linking member.

In the embodiment of the present invention, the pressure transmitting portion includes a first pressure member coupled with the fourth connecting member, and a second pressure member coupled to the first pressure member, and when pressure is applied to the pressure member, Pressure can be delivered.

In the embodiment of the present invention, the pressure transmitting portion further includes a second convex portion formed with a thread along the outer circumferential surface and applying a pressure to the second pressure member, and a handle portion coupled to one end of the second convex portion, And the second convex portion moves along the threaded portion and can apply pressure to the contact portion.

In an embodiment of the present invention, the first contact member and the second contact member are formed in a trapezoidal shape having a groove formed at a lower side thereof, and the lower side of the first contact member and the second contact member may be coupled to the door.

In the embodiment of the present invention, the plurality of first contact members and the second connection member are hingedly engaged, and when pressure is applied to the second connection member, the second connection member is moved toward the door side, Pressure can be transmitted to the member.

 In an embodiment of the present invention, the first convex portion may be lined with a hexmole material.

According to the embodiment of the present invention, it is possible to minimize the release of the internal material from the inside of the equipment to the outside.

Also, according to the embodiment of the present invention, it is possible to prevent the door from being warped by applying pressure to a plurality of areas of the door, and to realize a sealing function without replacing the door even in the case of a door in which a warpage has occurred.

It should be understood that the effects of the present invention are not limited to the above effects and include all effects that can be deduced from the detailed description of the present invention or the configuration of the invention described in the claims.

1 is a schematic diagram of a combined-cycle thermal power generation system.
2 is a view showing the position of a waste heat recovery boiler facility and a door for accessing the facility.
3 is a perspective view showing a configuration in which a door for a facility access according to the present invention is closed.
4 is a perspective view showing a configuration in which a door for equipment access according to the present invention is opened.
5 is a plan view of a door for a facility access according to the present invention.
6 is an exploded perspective view of a pressure transmission portion of a door for a facility access according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when a part is referred to as being "connected" (connected, connected, coupled) with another part, it is not only the case where it is "directly connected" "Is included. Also, when an element is referred to as " comprising ", it means that it can include other elements, not excluding other elements unless specifically stated otherwise.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises" or "having" and the like refer to the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 3 is a perspective view showing a configuration in which the door 40 for a facility according to the present invention is closed, FIG. 4 is a perspective view showing a configuration in which the door 40 for a facility access according to the present invention is opened, 6 is a disassembled perspective view of a pressure transmitting portion 520 mounted on the front surface of the door 40 for accessing a facility according to the present invention.

3 to 6, the equipment access door 40 is formed of a door casing 100 positioned on the rear side and a door 200 located on the front side.

The door casing 100 has a plate-like first case 110 having a through-hole as viewed from the front, a first case 110 having a smaller width in the horizontal direction than the first case 110, Shaped first and second transmission units 130 and 140 formed on the upper and lower surfaces of the second case 120, respectively. The second case 120 has a rectangular parallelepiped shape connected to the rear surface. In this case, the second case 120 may include a rim extending vertically inwardly from one end of the second case 120 according to an embodiment of the present invention.

The door 200 has a plate-shaped third case 210 and a first convex portion 220 formed on the rear surface of the third case 210 so as to be inserted into the through-hole of the first case 110.

Here, when the door casing 100 and the door 200 are opened, an operator can enter and exit the facility (boiler facility, deaeration facility, dust collection facility). When the door casing 100 and the door 200 are closed, the through hole of the first case 110 of the door casing 100 and the first convex portion 220 of the door 200 in the second case 120 And the first case 110 of the door casing 100 and the third case 210 of the door 200 come in close contact with each other and the first convex portion 220 and the second case 210 120 are in close contact with each other.

Since the first case 110 and the third case 210 are formed in the same plate shape, the first case 110 and the third case 210 can be closely contacted with each other without cracks. Since the first convex portion 220 which is in contact with the rim portion and the rim portion is also formed in a plate shape, the first convex portion 220 and the rim portion can be brought into close contact with each other. As a result, it is possible to minimize internal substance release (heat release, gas release) from the inside of the facility to the outside, thereby preventing thermal damage.

Even with such a configuration, it is possible to minimize the release of the internal material from the inside of the apparatus to the outside. However, by forming the first packing 111 and the second packing 121, the release of the internal material can be further reduced. The first packing 111 is formed along the circumference of the front surface of the first case 110 to perform a sealing function between the door 200 and the first case 110, And a sealing function between the first convex portion 220 and the second case 120 is performed along the circumference of the front surface of the rim portion.

According to an embodiment of the present invention, the first convex portion 220 may be lined with a hexmole material. Since the first convex portion 220 lined with a six-moly material is not corroded by sulfur, it is possible to prevent a space from being formed between the rim portion and the first convex portion 220 due to corrosion.

According to the above configuration, the door 40 for facility access according to an embodiment of the present invention is particularly useful when used in an environment in contact with exhaust gas containing sulfur. For example, in a facility where exhaust gas containing a large amount of sulfur or sulfur compounds is discharged, such as a desulfurization facility, a dust collecting facility, and a coal boiler facility, a first convex portion 220 lined with a six- Durability is greatly improved when used.

The apparatus access door 40 according to the present invention may further include an opening / closing part 300 for opening / closing the door 200 from the door casing 100 by a turning operation. The opening and closing part 300 includes a first arm fixing base 310 installed at the center of the door 200, a second arm fixing base 340 installed on one side of the second case 120, 310) and a first hinge pin (not shown), one end of which is hinged by the first rod arm 320 and the second hinge pin 321, and the other end And a second arm arm 330 hinged by the second arm fixture 340 and the third hinge pin 341. [

That is, the door 40 for equipment access is provided with a first arm fixing base 310 on one side, and the first arm fixing base 310 is coupled with the first load arm 320 by the first hinge pin. A second arm fixing base 340 is installed on one side of the second case 120. The second rod arm 330 connecting the second arm fixing base 340 and the first rod arm 320 is mounted on the second arm fixing base 340 and the first load arm 340 to open and close the door 200. [ 320, respectively. The second arm arm 330 and the second arm arm 340 are hinged by the third hinge pin 341 and the second arm arm 330 and the first arm arm 320 are hinged by the second hinge pin 341. [ Is hinged by a pin (321). Thereby, the door 200 can be opened and closed from the door casing 100.

When the door 200 is closed with the door casing 100, the door 200 needs to be maintained in a locked state so as not to be detached from the door casing 100. Accordingly, the door 40 for a facility access according to an embodiment of the present invention may be formed with a locking part 400.

The lock portion 400 includes a first connecting member 410 having one end coupled to the other side of the second case 120 and a second connecting member 410 hinged to the other end of the first connecting member 410, And a third arm fixing base 440 coupled to one side of the second case 120. The first arm fixing base 440 and the second arm fixing base 440 are coupled to each other, And a third rod arm 450 hinged by the third arm fixing base 440 and the fourth hinge pin 441 and having a groove 452 into which the screw 420 can be inserted.

When the screw 420 is inserted into the groove 452 of the third rod arm 450, the locked state of the door 200 can be maintained by the engaging member 430 engaged with the screw groove.

The screw 420 is separated from the groove 452 of the third rod arm 450 or the screw 420 is separated from the screw 420 by the rotation of the screw 420. In this case, 420). When the engaging member 430 is separated from the screw 420, the third rod arm 450 can rotate freely.

3 and 4, two lock portions 400 are formed on the right side surface of the second case 120. However, the present invention is not limited to this, and depending on the size and shape of the door 200 and the door casing 100, It may be installed on the outer circumferential surface of the second case 120 by an appropriate number.

The door 200 must be in close contact with the door casing 100 without a spacing space when closing the door 200. When the door 200 is bent and deformed, 100). ≪ / RTI > Accordingly, the door 40 for a facility access according to an embodiment of the present invention may be formed with one or more pressing portions 500 for applying pressure (force) to the door 200.

The pressing portion 500 includes a contact portion 510 coupled with a plurality of regions of the door 200 and a pressure transmitting portion 520 connected to the contact portion 510 to apply pressure to the contact portion 510 .

The contact portion 510 includes a plurality of first contact members 511 coupled to the door 200 and a plurality of second contact members 511 connecting the plurality of first contact members 511, A plurality of second contact members 513 which are coupled to the door 200 and a plurality of second contact members 513 and which are arranged perpendicular to the second contact members 513 And a fourth linking member 515 connecting the second linking member 512 and the third linking member 514. The third linking member 514 may include a third linking member 514,

The second connecting member 512 and the third connecting member 514 are disposed parallel to each other and the fourth connecting member 515 is disposed perpendicularly to the second connecting member 512 and the third connecting member 514 . In addition, the second linking member 512 and the third linking member 514 may be formed in a plate shape, and the fourth linking member 515 may be formed in a columnar shape.

The first contact member 511 and the second contact member 513 may be formed in a trapezoidal shape in which a groove is formed in the lower side and a corner of the lower side is coupled to the door 200. Accordingly, one first contact member 511 or second contact member 513 can be coupled to the door 200 in two parts. At this time, the edges of the lower sides of the first contact member 511 and the second contact member 513 may be joined to the portions where the door is frequently flexed.

The second connecting member 512 may be hinged to the plurality of first contact members 511, respectively. When the pressure is applied, the second connecting member 512 moves toward the door 200 and can transmit pressure to the first contact member 511. The third connecting member 514 can be inserted into the groove formed in the second contact member 513 and coupled. When the pressure is applied, the third connecting member 514 moves to the door 200 side and can transmit the pressure to the second contact member 513.

The pressure transmitting portion 520 includes a first pressure member 521 coupled with the fourth connecting member 515, a second pressure member 522 coupled with the first pressure member 521, 522, respectively.

The first pressure member 521 is formed in a plate shape having a through hole 5211, and one side thereof can be coupled to the fourth connection member 515. The second pressure member 522 includes a plate 5221 perpendicular to the first pressure member 521 and a plurality of engagement plates 5222 connected to the plate 5221 in a direction perpendicular to the plate 5221, The first pressure member 521 and the second pressure member 522 can be coupled by inserting the bolt into the through hole of the first pressure member 5222 and the through hole 5211 of the first pressure member 521, .

The fixing member 524 is formed in a U shape and one end is coupled to the door 200 so that the fourth connecting member 515 is positioned between the fixing members 524. At this time, the plate 5221 of the second pressure member 522 may be provided with a groove into which the fixing member 524 can be inserted, and one region of the fixing member 524 is formed in the groove 5221 of the second pressure member 522, So that the second pressure member 522 can be prevented from being separated by the pressure applied to the second pressure member 522. [

According to one embodiment of the present invention, the pressure transmitting portion includes a third pressure member 523 having a plate shape in which a through hole 5231 is formed, a second convex portion 525 on which a thread is formed on the outer circumferential surface, And a handle portion 526 coupled to one end of the portion 525. At this time, the third rod arm 450 is formed with the threaded bore 451 which is engaged with the thread of the second convex portion 525. As the handle portion 526 rotates, the second convex portion 525 moves along the threaded portion 451 and can apply pressure to the second pressure member 522.

The third pressure member 523 can be coupled to the plate 5221 of the second pressure member by bolts and nuts. The second convex portion 525 may be inserted into the through hole 5231 of the third pressure member 523 and the through hole 5231 of the third pressure member 523 may be inserted into the through hole 5231 of the third pressure member 523. In this case, The pressure can be applied to the second pressure member 522. The user can be guided by the through hole 5231 of the third pressure member 523 to the area to be pressurized.

When the second convex portion 525 applies pressure to the second pressure member 522, the pressure is transmitted to the first pressure member 521 coupled with the second pressure member 522, Pressure is transmitted to the fourth connecting member 515 coupled to the fourth connecting member 515 and pressure is transmitted to the second connecting member 512 and the third connecting member 514 coupled to the fourth connecting member 515, Pressure may be transmitted to the first contact member 511 coupled to the member 512 and the second contact member 513 coupled to the third connection member 514. [

For example, when a force of 40 N is applied to the pressure transmitting portion 520, a force of 20 N is transmitted to the second connecting member 512 and the third connecting member 514 respectively coupled to the fourth connecting member 515 A force of 5N is transmitted to the lower edge of the first contact member 511 located at both ends of the second connecting member 512 and the second contact member 513 located at both ends of the third connecting member 514 The force of 5 N can be transmitted to the corner of the lower side.

Since the pressure can be transmitted to a plurality of areas of the door 200 (the area joined with the first contact member and the second contact member), even if the door 200 is flexed, the first contact member 511, There is no space between the door 200 and the door casing 100 due to the pressure transmitted to the first contact member 513 and the second contact member 513. [ Therefore, the door 200 in which the bending deformation has occurred can also be used without replacement.

Next, the operation of the door 40 for a facility according to the present invention will be described.

When the operator desires to close the door 200, the operator rotates the third rod arm 450 on the basis of the fourth hinge pin 441 and moves to the door 200 side, And the door 200 can be closed by moving the coupling member 430 along the screw groove. The user then rotates the handle portion 526 located at one end of the second convex portion 525 to prevent the door 200 from being bent or to implement the sealing function by the door 200 having a bending deformation, Pressure can be applied to the contact portion 510 and pressure can be applied to a plurality of regions of the door 200.

When the operator desires to open the door 200, the operator rotates the screw 420 located in the groove located at one end of the third rod arm 450 from the groove of the third rod arm 450 by rotating the screw 420 with respect to the hinge axis, 420, the door 200 can be opened. Alternatively, the engaging member 430, which interrupts the rotation of the third rod arm 450, may be separated from the screw 420 to open the door 200.

As described above, the facility access door 40 according to the present invention can minimize the release of internal substances (heat release, gas release, etc.) from the inside of the facility to the outside.

The door 40 for equipment access is provided with a contact portion 510 and a pressure transmitting portion 520 for applying pressure to the contact portion 510 to apply pressure to a plurality of areas of the door 200, And the sealing function can be implemented without replacing the door 200 in which the bending deformation has occurred.

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present invention.

100: Door casing
110: first case
120: Second case
130: first transfer part
140: second transmission part
200: Door
210: Third case
220: first convex portion

Claims (10)

A second case having a rectangular parallelepiped shape having a plate-shaped first case having a through hole formed therein and a frame portion having a width smaller than the first case in a horizontal direction and connected to a rear surface of the first case, A door casing having plate-shaped first and second transverse portions respectively formed on upper and lower surfaces of the second case;
A door having a plate-like third case and a rectangular first convex portion lined with a hexmole material and formed on a rear surface of the third case so as to fit into the through-hole of the first case; And
A first packing formed along the periphery of the front surface of the first case and performing a sealing function between the door and the first case and a second packing formed along the periphery of the front surface of the rim and between the first convex and the second case, And a second packing performing a sealing function,
Further comprising an opening / closing portion for opening / closing the door from the door casing by a turning operation,
The opening /
A first arm fixing base mounted on the door,
A second arm fixed to one side of the second case,
A first rod arm hinged to the first arm fixing base and the first hinge pin,
A rod arm having one end hinged by the first rod arm and the second hinge pin and the other end hinged by the second arm fixing base and the third hinge pin,
Further comprising a lock portion for maintaining a locked state of the door and the door casing,
The locking portion
A first connecting member having one end connected to the other side of the second case,
A screw hinged to the other end of the first linking member and having a screw groove formed along an outer circumferential surface thereof,
A coupling member engaged with the screw groove and moving along the screw by rotation,
A third arm fixing unit coupled to one side of the second case,
And a third rod arm hinged to the third arm fixing rod and having a groove into which the screw can be inserted,
Further comprising a pressing part coupled to the door and applying pressure to the door,
The pressing portion
A contact portion which is engaged in a plurality of areas of the door,
And a pressure transmitting portion coupled to the contact portion and applying pressure to the contact portion,
The contact portion
A plurality of first contact members coupled to the door,
A second connecting member disposed parallel to the plurality of first contact members and connecting the plurality of first contact members to each other,
A plurality of second contact members coupled to the door,
A third connecting member disposed perpendicular to the plurality of second contact members and connecting the plurality of second contact members to each other,
And a fourth connecting member connecting the second connecting member and the third connecting member,
Wherein the second connecting member and the third connecting member are parallel to each other and the fourth connecting member is vertically coupled to the second connecting member and the third connecting member,
Wherein the plurality of first contact members and the second connecting member are hingedly engaged,
When pressure is applied to the second connection member, the second connection member is moved to the door side, pressure is transmitted to the first contact member,
The pressure-
A first pressure member coupled with the fourth connection member,
And a second pressure member vertically coupled to the first pressure member,
And a pressure is transmitted to the contact portion when pressure is applied to the second pressure member.
delete delete delete delete delete The method according to claim 1,
The pressure-
A second convex portion forming a thread along an outer circumferential surface and applying pressure to the second pressure member,
And a handle portion coupled to one end of the second convex portion,
Wherein the third rod arm is formed with a threaded screw which is engaged with a thread of the second convex portion,
Wherein the second convex portion moves along the threaded portion and applies pressure to the second pressure member.
The method according to claim 1,
Wherein the first contact member and the second contact member are formed in a trapezoidal shape in which grooves are formed on the lower side respectively and the lower sides of the first contact member and the second contact member are coupled to the door. Door for facility access.

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