JP2002089789A - Steam eliminator of steam trap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a steam eliminator of a steam trap capable of surely preventing steam from rising like mist. SOLUTION: Thin-walled loop type tubing heat pipes 2, 3, and 4 are fitted into a steam eliminator casing 1 to form condensing chambers 6, 7, and 8. Communication holes 9, 10, and 11 are provided in the heat pipes 2, 3, and 4 to form condensate accumulating parts 12, 13, and 14. The portions of the heat pipes 2, 3, and 4 positioned in the casing 1 are formed as a heat absorbing part and the portions positioned on the outside of the casing are formed as a heat radiating part. The heat of the condensate flowing down inside the steam eliminator casing 1 is radiated into the atmosphere through the heat pipes 2, 3, and 4 to prevent the misty steam from occurring.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water heater for a steam trap for erasing steam that has been dissipated due to re-evaporation of condensate discharged from a steam trap.

[0002]

2. Description of the Related Art A conventional hot water heater for a steam trap is disclosed in Japanese Patent Publication No. 4-67080. In this method, a drain pipe and upper and lower water reservoirs are provided at the outlet of a steam trap, and revaporized steam is passed through an upper water reservoir to cool the steam, thereby eliminating steam that has become moist.

[0003]

However, the above-described conventional water heater for steam traps has a problem that steam that cannot be removed from the steam trap cannot be reliably removed for a long period of time. That is,
In the above-mentioned conventional one, the steam is cooled by passing it through the water in the water reservoir to condense and disappear.However, when the temperature of the stored water rises, the water evaporates and the water in the water reservoir decreases. This makes it impossible to reliably eliminate steam that has been moistened over a long period of time.

[0004] It is therefore an object of the present invention to provide a steam trap water heater that can surely eliminate the steam generated by condensate re-evaporation.

[0005]

Means for solving the above-mentioned problems The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to remove steam from condensate discharged from an outlet of a steam trap, which is re-evaporated. The condenser casing is communicated with the outlet of the steam trap, and a condensing chamber is formed by the water heater casing and the heat absorbing portion of the laminar heat pipe, and the laminar heat pipe is formed at the bottom of the condenser chamber. Providing a condensate reservoir portion that is arranged in a concave shape to accumulate a predetermined amount of condensate, while forming a communication hole that communicates the condensate chamber with the atmosphere,
The heat radiating portion of the thin plate heat pipe is arranged outside the water heater casing.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Heat pipes are used in a wide variety of applications as heat transfer means. Any heat pipe having an excellent heat transfer ability can be used, and a so-called loop-type thin tube heat pipe is suitable. The loop-type thin tube heat pipe contains a working fluid for heat transport in a loop-shaped thin tube formed in a loop shape, and a part of the loop-type thin tube serves as a heat absorbing portion.
By using a portion other than the heat absorbing portion as the heat radiating portion, the device has a thin shape and excellent heat transfer capability.

[0007] A hot water heater casing communicated with the outlet of the steam trap and a heat absorbing portion of a thin plate heat pipe,
By forming a condensate chamber and providing a condensate storage section for storing a predetermined amount of condensate by arranging a thin plate heat pipe in a concave shape facing downward at the bottom of the condensate chamber, from the exit of the steam trap The discharged high-temperature condensate flows into the condensate chamber, temporarily accumulates in the condensate reservoir, and is absorbed by the heat absorbing portion while being discharged from the communication hole into the atmosphere, and is cooled. The absorbed heat is quickly transmitted through the heat pipe, and is radiated to the atmosphere from a radiator disposed outside the water heater casing.

By absorbing the heat of the condensed high-temperature condensate discharged through the heat pipe, a large amount of heat is quickly absorbed, and the re-evaporation of the condensed water is suppressed, thereby reliably preventing the generation of steam. it can.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a water heater housing 1 having a hollow cylindrical shape with a divergent lower end, thin plate-shaped heat pipes 2, 3 and 4 arranged concavely downward, and a condensate The units 12, 13, and 14 constitute a steam trap water heater. The inlet 5 of the casing 1 is connected to an outlet of a steam trap (not shown).

In the present embodiment, an example is shown in which loop-shaped thin tube heat pipes 2, 3, and 4 having a thin plate inverted conical shape are used. The heat pipes 2, 3, and 4 have diameters different from each other and are sequentially increased in diameter from the inlet 5. The heat pipes 2, 3, and 4 are the hot water heater casing 1
Is partitioned into three condensing chambers 6, 7, and 8 and the condensing chambers 6, 7, and
8 is communicated.

The communication hole 11 in the lower part of the lowermost condensing chamber 8 is opened in the atmosphere through an outlet 15. The positions of the communication holes 9, 10, 11 provided in the heat pipes 2, 3, 4 are as follows:
The eccentric portions are respectively eccentric inside the casing 1 so that the condensate flowing from the inlet portion 5 does not linearly and continuously flow down through the communication holes 9, 10 and 11, and the distance from the central axis is reduced. Make it longer as you go down.
2, 13, and 14 are changed.

In this embodiment, an example is shown in which the thin heat pipes 2, 3 and 4 are used as heat pipes having a concave shape facing downward. An arc-shaped or a reverse heat pipe having a thin plate shape can be used.

In this embodiment, the communication holes 9, 1
Although an example in which 0 and 11 are provided in the heat pipes 2, 3 and 4, respectively, the communication holes 9, 10 and 11 may be separately formed as, for example, communication passages having a predetermined head height in the water heater casing 1. it can.

In this embodiment, three heat pipes 2, 3, 4 are attached. However, a flat heat pipe may be used in accordance with the amount of condensate flowing into the casing 1 and the amount of heat. Only one pipe or a plurality of pipes can be used.

Of the loop-type thin tube heat pipes 2, 3, and 4, a portion located inside the casing 1 is a heat absorbing portion, and a portion located outside the casing 1 is a heat radiating portion. Although the inside of the loop type thin tube heat pipes 2, 3 and 4 is not shown, a large number of thin tubes are formed in a loop and in parallel to form a single continuous thin tube, and the inside thereof is evacuated to supply the working liquid. It is enclosed.

A predetermined amount of the high-temperature condensate discharged from the steam trap is first stored in the condensate reservoir 12 of the condensate chamber 6 from the inlet 5 of the casing 1. Endothermic in the part. The condensate in the condensing chamber 6 flows down from the communication hole 9 to the condensing chamber 7 in the lower part, and the heat pipe 3
The heat is further absorbed by the heat pipe 4 from the communication hole 10 to the condensing chamber 8, and finally the condensed water whose temperature has decreased is discharged from the communication hole 11 to the atmosphere through the outlet 15. .

The heat quantity of the condensate absorbed by the heat absorbing portions of the loop-type thin tube heat pipes 2, 3, and 4 is as follows.
The heat moves inside the casing 4 and is radiated to the atmosphere from the heat radiating portion outside the casing 1. In this way, the condensed water is quickly and efficiently radiated to the atmosphere by the loop-type thin-tube heat pipes 2, 3, and 4, so that the condensed water re-evaporates and the steam that rises and rises is generated. It can be reliably prevented.

[0018]

As described above, in the present invention, the condensed water is retained by the heat pipe by disposing a thin plate-shaped heat pipe at the bottom of the condensate chamber and once storing the condensed water in the condensate reservoir. The heat can be efficiently absorbed, the re-evaporation of the condensed water can be suppressed, and the generation of steam can be reliably prevented.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of a hot water heater for a steam trap according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hot water heater casing 2,3,4 Thin heat pipe 5 Inlet part 6,7,8 Condenser chamber 9,10,11 Communication hole 12,13,14 Condenser part

Claims (1)

[Claims] The present invention relates to an apparatus for erasing steam that has been condensed from condensate discharged from an outlet of a steam trap and re-evaporated. Forming a condensate chamber with the heat absorbing portion of the heat pipe, and providing a condensate reservoir for storing a predetermined amount of condensate by disposing a thin plate-shaped heat pipe in a concave shape facing downward at the bottom of the condensate chamber; A steam trap for a steam trap, wherein a communication hole for communicating the above-mentioned condensing chamber with the atmosphere is formed, and a heat radiating portion of the thin plate heat pipe is arranged outside the casing.