KR20150037096A - Apparatus for venting of air for upwarding type boiler - Google Patents

Apparatus for venting of air for upwarding type boiler Download PDF

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Publication number
KR20150037096A
KR20150037096A KR20130116349A KR20130116349A KR20150037096A KR 20150037096 A KR20150037096 A KR 20150037096A KR 20130116349 A KR20130116349 A KR 20130116349A KR 20130116349 A KR20130116349 A KR 20130116349A KR 20150037096 A KR20150037096 A KR 20150037096A
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KR
South Korea
Prior art keywords
guide
float
hole
spring
air
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Application number
KR20130116349A
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Korean (ko)
Inventor
정창욱
장석후
Original Assignee
린나이코리아 주식회사
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Application filed by 린나이코리아 주식회사 filed Critical 린나이코리아 주식회사
Priority to KR20130116349A priority Critical patent/KR20150037096A/en
Publication of KR20150037096A publication Critical patent/KR20150037096A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/08—Arrangements for drainage, venting or aerating

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)

Abstract

The present invention relates to a downwardly directed air discharge device for a boiler, and more particularly, to a downwardly directed air discharge device for a downward boiler, which comprises a main body 10 having a water inlet 11, a float 20 lifted up and down by buoyancy of water introduced into the water inlet 11, A guide 40 for lifting and lowering the shaft toward and away from the air discharge hole 31 by raising and lowering the float 20 and a guide 40 for opening and closing the air discharge hole 31, A spring 60 elastically supporting the rotation of the upper and lower hinges of the guide 40 and an escape prevention cover 70 coupled to the main body 10 to prevent the upper case 30 from disengaging ).
Therefore, there are provided a float vertically upwardly moved, a float vertically lifted in accordance with the water level corresponding to the air discharge hole, a guide lifted and lowered by pushing and pulling of the float, and a spring elastically supporting the guide The air outlet hole is opened by the load of the float being lowered at the low water level, and the hook according to the rise of the float slides along the sliding hole of the guide at the high water level, The air outlet hole is sealed so that the hook can only linearly move along the sliding hole of the linear structure so that the float is not twisted or eccentric is generated so that the sealing performance of the airtight packing can be improved .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an air-

More particularly, the present invention relates to an air exhausting device for a downwardly directed boiler, and more particularly, to an air exhausting device for a downwardly directed boiler, A guide for lifting and lowering the guide and a spring for resiliently supporting the guide are provided and pulled downward by the load of the float being lowered at the low water level to open the air discharge hole, To an air discharge device for a down-boiler, which slides along a sliding hole and rotates the guide upward to seal the air discharge hole.

Generally, a bottom-up type boiler (hermetically sealed gas boiler, etc.) is most widely used among heating apparatuses. Such a bottom-up boiler has an expansion tank for absorbing the expanded heating water in the closed heating circuit, And the like.

In such a closed gas boiler, air bubbles are naturally generated in the heating water in the heating circuit. This air bubble lowers the heat exchange efficiency of the heater, interferes with the heating water circulating in the duct, And the like. Therefore, it is inevitably required to provide an air discharging device for separating the air bubbles generated in the heating circuit from the heating water and exhausting the air bubbles.

This downward type air discharge device for a boiler refers to a device for collecting only air and discharging it to the outside by separating bubbles generated when bubbles are generated in heating water during use of the boiler by water separator by water separator.

For example, the air discharge device of the related art has a structure in which an air discharge hole is formed at the upper side of the housing of the air discharge device, the air discharge hole is sealed with a packing, a float is connected to the packing, And the air discharge hole is opened or closed.

According to such a structure, when the float is elevated to a full water level, the float rises to seal the air discharging hole with the packing, and when the water level becomes low, the float descends to open the packing to discharge air through the air discharging hole .

When the float is pressed downward by the air pressure that the bubble rises and expands into the space above the float, the air may be discharged to the outside while the packing is opened by the falling of the float.

However, since the float and the packing are integrally connected to each other in such a conventional air discharge apparatus, when a float fluctuates due to a sudden inflow of water or the like, a small water level fluctuation And the packing connected to the discharge port is also moved together with the result that an unexpected opening of the air discharge hole occurs.

SUMMARY OF THE INVENTION The present invention has been conceived in order to solve the above problems, and it is an object of the present invention to provide an air outlet hole penetrating vertically upward, a float vertically moving up and down in accordance with the water level in correspondence with the air outlet hole, And a spring for elastically supporting the guide is provided. In the low water level, the air outlet hole is opened by being pulled downward by the load of the float to be lowered. In the case of the high water level, The guide is upwardly pivoted by sliding the guide upward to seal the air discharge hole so that the hook can only linearly move along the linear sliding hole so that the float is not twisted or eccentric is generated, Up to ensure accurate sealing performance To provide an air exhaust device for a boiler it is an object.

To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, there is provided an air exhaust apparatus for a down-boiler, comprising: a main body having an inner space opened at an upper portion thereof and a water inlet communicating with the inner space at a bottom; A float which is inserted into an internal space of the main body and is lifted up and down by buoyancy of water introduced into the water inlet; An upper case covering the open top of the main body and having an air vent hole at one side thereof; The upper end of the float is connected to the upper end of the float and the lower end of the float is connected to the lower end of the air discharge hole of the upper case. guide; A sealing packing disposed at an upper end of the guide to open and close the air discharge hole of the upper case according to the axial rotation of the guide; A spring connected to a lower end of the guide and having opposite ends connected to both upper and lower cases adjacent to the air outlet to elastically support the upper and lower hinge shafts of the guide; And an escape prevention cover coupled to the main body in a state of covering the upper portion of the guide to prevent the escape of the upper case.

In addition, in the upflow type air discharging device for a boiler according to an embodiment of the present invention, the connection structure of the float and the guide is such that when the float is lifted and lowered, the upper end of the float is slid up and down along the guide, The guide may be lifted and pulled downward so that the guide is rotated up and down.

Further, in the air exhaust device for a downward-type boiler according to an embodiment of the present invention, a hook is connected to the guide in a state where the guide passes through the upper end of the float, A sliding hole may be formed so that the hook is slid up and down as the float moves up and down in a state where the hook is pierced.

In the downwardly directed air discharging device for a boiler according to an embodiment of the present invention, the hooks of the float are provided with an engagement protruding portion for engaging the upper and lower edges of the sliding hole with the upper end of the float passing through the sliding hole The slope of the sloping surface of the sliding hole may be such that the sloping surface of the sloping surface of the sliding hole is slidably brought into contact with the edge of the bottom surface of the sliding hole when the float rises.

In the air exhaust device for a downward boiler according to an embodiment of the present invention, a central portion of a spring connected to a lower end of the guide supports a lower bottom surface of the guide by a predetermined length, and an upper end of the guide, And may be a guide supporting bed by a spring which is not pivoted downward when the lower end of the guide rises, so that the sealing packing can securely close the air discharging hole.

According to an embodiment of the present invention, there is provided an air exhaust device for a downward boiler, wherein the guide support bearing assembly includes a spring support portion that supports a bottom surface of the central portion of the spring at a lower end of the guide, A pair of spring arrangement grooves are provided on the bottom surface of the adjacent guide of the support part so as to support the spring upwards along the bottom surface of the guide plate to a predetermined length and then extend to both sides thereof to extend to the upper case, .

In addition, in the air exhaust apparatus for a downward boiler according to an embodiment of the present invention, the hermetic packing may be of a detachable structure detachably coupled to the guide.

According to an embodiment of the present invention, there is provided an air exhaust device for a downward boiler, wherein the detachable structure comprises: a central through-hole having a small-diameter structure vertically penetrating the upper end of the guide; Wherein the sealing packing has a small diameter portion which is press-fitted through the cut-out portion and a small diameter portion which is formed at an upper end portion of the neck portion A large diameter mounting portion mounted on the concave groove portion and a stopper formed on the lower end portion of the neck portion and fixed to the bottom edge of the center pipe through hole while the mounting portion is mounted on the concave groove portion.

As described above, according to the present invention, there is provided an air exhaust apparatus for a down-boiler, comprising: an air exhaust hole penetrating vertically upward; a float vertically moving up and down according to a water level in correspondence with the air exhaust hole; The air outlet hole is opened by being pulled downward by the load of the float to be lowered when the water level is low, And the air bag is sealed by the sealing packing so that the hook can only linearly move along the sliding hole of the linear structure so that the float is not twisted or eccentric is generated, It is possible to improve the accurate sealing force of the sealed packing To obtain the effect.

FIG. 1 is an exploded perspective view illustrating an air exhaust apparatus for a downward boiler according to an embodiment of the present invention.
FIG. 2 is a perspective view illustrating a bottom-up type air exhausting apparatus for a downward boiler according to an embodiment of the present invention.
FIG. 3 is a cross-sectional view illustrating a state of a full water level of a downwardly directed air discharge device for a boiler according to an embodiment of the present invention.
FIG. 4 is a cross-sectional view illustrating a low-level state of an air exhaust device for a down-boiler according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 1 to 4, the downwardly directed air discharge device for a boiler according to an embodiment of the present invention includes a main body 10 having a water inlet 11 formed therein, An upper case 30 provided with an air discharge hole 31 and a guide 40 which is lifted and lowered by the lifting and lowering of the float 20 toward the air discharge hole 31, A spring 60 for elastically supporting the rotation of the upper and lower hinges of the guide 40 and a spring 60 connected to the upper case 10 Preventing cover (70) for preventing the detachment of the detachable cover (30).

The main body 10 is provided with an internal space having an open upper side and a lower end portion formed with a water inlet 11 communicating with the internal space on the bottom surface thereof.

The float 20 is a cylindrical buoyant body which is inserted into an internal space of the main body 10 and is partially lifted up and down by buoyancy of water introduced into the water inlet 11.

The upper case 30 is provided with an air discharge hole 31 which covers the opened upper side of the main body 10 and is vertically communicated at one side thereof.

A spring hanger 32 is provided on both sides of the air discharge hole 31 of the upper case 30 so that both ends of the spring 60 are engaged.

The upper end of the guide 40 is disposed close to the bottom of the air discharge hole 31 of the upper case 30 and the lower end of the guide 40 is connected to the upper end of the float 20, And has an elongated square block structure in which the upper end portion is lifted and lowered by the float 20 toward and away from the air discharge hole 31.

The hermetically sealed packing 50 is disposed at the upper end of the guide 40 so as to open and close the air discharge hole 31 of the upper case 30 as the guide 40 ascends and descends.

The spring 60 is connected to the lower end of the guide 40 and has both ends connected to the spring hanger 32 of the upper case 30 adjacent to the air outlet 31, And the upper and lower hinge shafts of the upper and lower hinges are elastically supported by an elongated bending wire structure having a diagonal shape.

The escape prevention cover 70 is coupled to the main body 10 in a state of covering the upper case 30 to prevent the escape of the upper case 30, .

The connecting structure of the float 20 and the guide 40 allows the upper end of the float 20 to slide up and down along the guide 40 when the float 20 is moved up and down, And the guide 40 is rotated up and down by pulling it downward.

At the upper end of the float 20 is provided a long hook 21 which is connected to the guide 40 through the guide 40. One end of the guide 40, And a long sliding hole 41 is formed so that the hook 21 is slid up and down as the float 20 is lifted and lowered in a state where the hook 21 is penetrated.

The hook 21 of the float 20 is provided with a locking protrusion 21a for hooking the upper end of the float 20 on both sides of the upper end of the sliding hole 41 in a state of passing through the sliding hole 41, The width of the float 20 increases from the bottom of the sliding hole 41 to the bottom of the sliding hole 41 when the float 20 rises, And has an inclined surface (22).

The inclined surface 22 is formed so that the inclined surface 22 does not extend directly from the upper end of the hook 21 and the inclined surface 22 is formed in the uppermost end portion of the hook 21 at the lower end portion, Only the upper end portion of the hook 21 is moved finely along the sliding hole 41 of the guide 40 so that the movement of the guide 40, It is desirable that the opening / closing of the packing 50 is not affected.

The upper end of the guide 40 which is opposite to the lower end of the guide 40 supports the lower end of the guide 40 by a predetermined length and the center portion of the spring 60 connected to the lower end of the guide 40 supports the lower end of the guide 40, And a spring 60 for supporting the airtight seal 50 so as to firmly close the air discharge hole 31 when the lower end of the airtight seal 50 is not rotated downward.

The bearing support bar assembly of the guide 40 by the spring 60 includes a spring support portion 42 in the form of a knurled protruding block which supports the bottom of the central portion of the spring 60 at one side of the lower end of the guide 40 And the spring 60 is supported on the bottom surface of the adjacent guide 40 of the spring receiving portion 42 by a predetermined length upward along the bottom surface of the guide 40, A pair of guide recess concave groove-shaped spring arrangement grooves 43 are provided so as to extend in the longitudinal direction so as to be bent outwardly.

The hermetic packing 50 is detachably coupled to the guide 40.

The separable structure includes a central pipe passage hole 44a having a small diameter passing vertically through the upper end of the guide 40 and a large diameter recessed groove portion 44b provided at an upper end of the central passage passage 44a, A packing mounting portion 44 having a cutout portion 44c for cutting one side of the rim of the concave groove portion 44b and communicating with the outside is provided and the hermetically sealed packing 50 is inserted through the cutout portion 44c Diameter mounting portion 52 formed at the upper end of the neck portion 51 and attached to the concave groove portion 44b and a mounting portion 52 formed at the lower end portion of the neck portion 51. The large- And a stopper 53 fixed to the bottom edge of the central pipe through-hole 44a in a state where the stopper 53 is mounted on the concave groove 44b.

The hermetic packing 50 may be made of a rubber material for the purpose of firmly hermetically sealing the air discharge hole 31 and easily attaching the hermetic seal 50 to the guide 40.

An upper end of the sliding hole 41 of the guide 40 is provided with a through hole 45 which penetrates through the hook hole 21 of the float 20 so as to be easily engaged and disengaged from the guide 40 ).

The operation of the up-type boiler air discharge device having the above-described configuration will be described. First, the float 20 is operated until the water flows in through the water inlet 11 of the main body 10, And is continuously raised by buoyancy.

At this time, as the float 20 rises, the hook 21 at the upper end slides straight up upward along the sliding hole 41 of the guide 40, and the inclined surface 22 slides upwardly toward the guide 40 The airtight seal 50 of the upper end portion of the guide 40 is tightly closed with the air discharge hole 31 of the upper case 30 when the internal space of the main body 10 finally reaches the full water level .

When the inner space of the main body 10 becomes low, the float 20 is lowered and the upper hook 21 slides downward along the sliding hole 41 of the guide 40, The engaging projections 21a hanging on both sides of the upper end of the sliding hole 41 pull the guide 40 downward so that the sealing packing 50 at the upper end is pulled out from the air discharge hole 31 of the upper case 30 The air is discharged through the air discharge hole 31 while being separated.

The bubbles contained in the water rises to the space above the float 20 and expands, and the float 20 is pushed downward by the inflated air pressure. At this time, Thereby allowing the expanded air to be discharged to the outside as the sealed packing 50 is minutely opened.

When the water level fluctuates due to the sudden inflow of water into the water inlet 11 or the like, the hook 21 of the float 20 is inserted into the sliding hole (not shown) of the guide 40 41 so as to have little influence on the movement of the guide 40, so that the tight seal state of the sealing packing 50 can be continuously maintained.

When the hermetically sealed packing 50 is aged after a long period of use, the hermetically sealed packing 50 may be detached from the guide 40 and replaced with a new hermaphroplet 50.

As described above, according to an embodiment of the present invention, the downwardly directed air discharge device for a boiler includes an air discharge hole penetrating vertically upward, a float vertically moving up and down according to the water level in correspondence with the air discharge hole, The air outlet hole is opened by being pulled downward by the load of the float to be lowered when the water level is low, And the air bag is sealed by the sealing packing so that the hook can only linearly move along the sliding hole of the linear structure so that the float is not twisted or eccentric is generated, Accordingly, it is possible to improve the sealing performance of the tightly packed packing The.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, It should be understood that all of the techniques that can be easily changed and used by those skilled in the art are included in the technical scope of the present invention.

10: main body 11: water inlet
20: float 21: hook
21a: a stalk portion 22: an inclined surface
30: upper case 31: air discharge hole
32: Spring hanger 40: Guide
41: Sliding hole 42: Spring bearing part
43: spring arrangement groove portion 44: packing mounting portion
44a: central pipe passage 44b: concave groove
44c: an incision part 45:
50: sealing packing 51: neck
52: mounting portion 53: stopper
60: spring 70: release prevention cover

Claims (8)

A main body having an inner space opened at an upper side and a water inlet formed at a bottom surface to communicate with the inner space;
A float which is inserted into an internal space of the main body and is lifted up and down by buoyancy of water introduced into the water inlet;
An upper case covering the open top of the main body and having an air vent hole at one side thereof;
The upper end of the float is connected to the upper end of the float and the lower end of the float is connected to the lower end of the air discharge hole of the upper case. guide;
A sealing packing disposed at an upper end of the guide to open and close the air discharge hole of the upper case according to the axial rotation of the guide;
A spring connected to a lower end of the guide and having opposite ends connected to both upper and lower cases adjacent to the air outlet to elastically support the upper and lower hinge shafts of the guide; And
A release-preventing cover coupled to the main body in a state of covering the upper portion of the guide to prevent release of the upper case;
And an air exhaust device for a down-boiler. The method according to claim 1,
Wherein the connecting structure of the float and the guide is such that when the float is lifted and lowered, the upper end of the float is slid up and down along the guide so that the guide is lifted upward and pulled downward so that the guide is vertically rotated. Air exhaust system for boiler. The method according to claim 1,
The float is provided with hooks connected to the guide in an upper end portion of the float,
Wherein a sliding hole is vertically passed through the guide so that the hook is slidable when the float is lifted and lowered in a state where the hook is inserted into one side of the guide. The method of claim 3,
The hooks of the float
And an engaging projection is formed on an upper end of the sliding hole so as to engage with an edge of both ends of the upper end of the sliding hole,
Wherein the bottom of the bottom of the sliding hole is wider than the bottom of the bottom of the sliding hole, and the bottom of the bottom of the sliding hole is in contact with the bottom of the bottom of the sliding hole, Discharge device. The method according to claim 1,
The central portion of the spring connected to the lower end of the guide supports the lower bottom surface of the guide by a predetermined length and the upper end of the guide opposite thereto is not rotated downward when the lower end of the guide rises, Wherein the guide is formed by a guide supporting bed by a spring which supports the airbag so as to be firmly sealed. 6. The method of claim 5,
The guide supporting bed assembly by the spring,
A spring support portion supporting a bottom portion of the center of the spring is provided at one side of the lower end of the guide,
A pair of spring arrangement grooves are formed on the bottom surface of the adjacent guide of the spring support portion so as to support the spring upwards along the bottom surface of the guide plate to a predetermined length and then extend to both sides thereof to extend to the upper case, Wherein the upper and lower boilers are connected to each other through a pipe. The method according to claim 1,
Wherein the seal packing is detachably coupled to the guide. ≪ RTI ID = 0.0 > 11. < / RTI > 8. The method of claim 7,
In the separable structure,
A central through-hole having a small-diameter structure vertically penetrating the upper end of the guide, a concave groove portion having a large-diameter structure provided at an upper end of the center pipe through-hole, and a packing having a cutout portion at one side of the concave groove portion, Diameter mounting portion formed on an upper end of the neck portion and mounted on the concave groove portion, and a mounting portion formed on a lower end portion of the neck portion, the mounting portion being formed on the concave groove portion And a stopper fixed to a bottom edge of the central pipe through-hole in a mounted state.
KR20130116349A 2013-09-30 2013-09-30 Apparatus for venting of air for upwarding type boiler KR20150037096A (en)

Priority Applications (1)

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KR20130116349A KR20150037096A (en) 2013-09-30 2013-09-30 Apparatus for venting of air for upwarding type boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20130116349A KR20150037096A (en) 2013-09-30 2013-09-30 Apparatus for venting of air for upwarding type boiler

Publications (1)

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KR20150037096A true KR20150037096A (en) 2015-04-08

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