KR20000024084A - A steam trap for water steam & compressed air suppling apparatus - Google Patents

Abstract

PURPOSE: A condensate water trap for a steam or compressed air supply device is provided to remove only the condensate water without loss of steam or compressed air in a steam boiler, a steam supply device or a compressed air supply device. CONSTITUTION: A condensate water trap is composed of a storing part(10), an assembling panel part(20), a filter(30), an upper and a lower level sensors(40,50), a control part(60), a driving part(70), a first discharge part(80) and a second discharge part(90). Herein, the condensate water trap selects the time for discharging condensate water by the electric signals of the control part according to the sensors sensing the level of the condensate water in the storing part and the sensed signals of the sensors and efficiently manage the frequency of discharging the condensate water and the amount of discharging in the condensate water trap while solving the leakage of the steam and compressed air by controlling the time for opening and closing a valve of an outlet.

Description

A steam trap for water steam & compressed air suppling apparatus

The present invention relates to a water trap for steam and air supply devices, and more particularly to a process in which steam transfers latent heat to a heated object in steam boilers, steam supply devices, and compressed air supply devices of various industrial sites. The present invention relates to a condensate discharger for a steam and a compressed air supply device capable of effectively removing only the condensate generated as a by-product from a condensate and a compressed air supply device generated in the air supply without loss of live steam or compressed air.

In general, condensate generated in a pipe on a line for supplying or circulating a medium of a pneumatic system or steam system generates hot by-products (condensed water) by transferring the latent heat to the heating element, which must be quickly removed from the supply line. Can increase the efficiency.

According to the above conditions, if the condensate generated in the heating of the steam supply system, the production line of the product can not be discharged smoothly, the following precautions are followed.

First of all, the heat transfer efficiency is lowered, which leads to a longer heating time, which in turn causes damage to the equipment and product productivity in the production line, and even water hammer (water hammer) on the air and steam supply lines. There is a problem of damaging the pipes. In addition, as the heating time of the heater is prolonged as described above, it causes the defect of the product due to the imbalance of the heating temperature, and promotes corrosion or aging of the steam pipe and the use equipment.

In the state in which the discharge of condensate is not made smoothly as described above, since the steam system of the boiler is almost unusable, various kinds of condensate discharge devices have been invented in order to solve this problem.

The problem with various types of condensate dischargers is that the structure itself is mechanical, so the discharge nozzle size cannot be applied over 3mm, and there is a closed end where the discharge port is easily blocked by foreign substances such as scale remaining in the pipe. There was a problem that requires the management of decomposition and cleaning.

In addition, there is an inefficient problem that leads to enormous energy loss in the industrial field because the mechanical fatigue stress is frequently to break the parts and to discharge steam and air, which is a high energy in the discharge of condensed water.

The present invention has been made to solve the above-mentioned conventional problems, it is possible to select the time to detect the level of the condensate in the improved capacitive method to detect the condensate level in the reservoir, as well as the outlet The purpose of this is to efficiently control the closing time of the side valve and to eliminate the leakage loss of live steam and to efficiently manage the number of discharges of condensate and its discharge in the equipment itself.

According to the present invention for achieving the above object, in the condensate discharger for storing and discharging the condensate is generated on the steam supply line and pneumatic line of the steam supply system, comprising a steam and air through the inlet provided on one side A storage unit for storing a predetermined amount of condensate; An assembly panel unit connected to and installed at one side of the storage unit; A filter installed at one side of the assembly panel unit connected to the storage unit to filter the condensed water including steam and air to be discharged at a predetermined pressure; An upper level sensor and a lower level sensor installed through the storage panel to detect the condensate level; A control unit electrically connected to each of the level sensors to calculate the discharge and the number of the condensate, and to electrically control the discharge of the condensate; A driving unit connected to the control unit and operated according to the level detection of steam and condensate introduced into the storage unit to discharge condensate; A first discharge part installed to communicate with the assembly panel while accommodating a part of the driving part to partition and discharge condensate, steam, and air from the storage part; It is connected to one side of the first discharge portion is provided with a condensate discharge for steam and compressed air supply device comprising a second discharge portion for controlling the discharge of the condensate in accordance with the steam and condensate pressure conditions while induction discharge and steam .

1 is a perspective view of the installation of the compressed air supply apparatus to which the present inventors condensate discharger,

Figure 2 is a perspective view of the present inventors condensate discharge,

3 is an exploded perspective view showing the configuration of the condensate discharger according to the present invention;

4 is an exploded perspective view illustrating a driving unit of the condensate discharger in FIG. 3;

5 and 6 are cross-sectional views showing the operating state of the condensate discharger according to the present invention,

7 is an enlarged view illustrating a main part of a state in which the vapor pressure including the condensed water in FIG. 6 is minutely discharged to the first discharge part;

8 is an enlarged view illustrating a main part of a state in which a vapor pressure including condensed water in FIG. 6 is discharged to a second discharge part through a first discharge part;

Figure 9 is a block diagram showing the operation of the condensate discharger in accordance with the present invention.

※ Explanation of code about main part of drawing ※

10: storage unit 20: assembly panel unit

30: filter 40: upper level sensor

50: lower level sensor 60: control unit

70: drive unit 80: first discharge unit

90: second discharge part

Hereinafter, the present invention will be described in more detail with reference to FIGS. 1 to 9.

Attached Figure 1 is a perspective view of the condensate discharger is applied and the installation of the air supply, Figure 2 is a perspective view showing the condensate discharger of the present invention, Figure 3 is an exploded perspective view showing the configuration of the condensate discharger according to the present invention.

As shown in Figure 3, the condensate discharger is installed on the supply line and circulation line, such as a steam supply or air supply system to collect and discharge the condensate generated in the pipe, the configuration of the discharger is provided in the inlet ( 11, a storage unit 10 for storing a predetermined amount of condensate including steam and air, an assembly panel unit 20 connected to one side of the storage unit 10, and the discharge amount and the number of times of condensate The control unit 60 and the control unit 60 to electrically control the discharge of the condensate and at the same time is installed in connection with the control unit 60 is operated in accordance with the water level detection of the steam and condensate introduced into the storage unit 10 to discharge the condensate The driving unit 70 is divided into a first discharge unit 80 and a second discharge unit 90 which automatically discharge the condensed water depending on the degree of steam and air pressure caused by the operation of the drive unit 70.

In more detail, the configuration described above, at one side of the storage unit 10 is formed with a plurality of connectors 12 to be connected to at least one or more condensate inlet pipe at a predetermined position, the connector 12 is a condensate inlet pipe is piped Or it can be suitably installed in line lines, such as a circulation pipe.

The assembly panel unit 20 connected to the storage unit 10 is provided with a filter 30 for discharging condensate containing steam to the filter 30 to discharge at a predetermined pressure, and the assembly panel unit 20 An upper level sensor 40 and a lower level sensor 50 for penetrating the condensate level are installed through the storage unit 10. Here, the lower level sensor 50 is installed at a half point, that is, a middle height with respect to the length of the assembly panel 20 installed in the storage unit 10, and the upper level sensor 40 is a lower level sensor. 50 is installed at a position spaced apart from the predetermined interval, the upper level sensor 40 and the lower level sensor 50 are each electrically connected to the control unit 60 is installed.

On the other hand, the assembly panel 20 is to screw the storage unit 10, the control unit 60, the upper level sensor 40 and the lower level sensor 50, the first discharge unit 80 in a predetermined position. Fastening holes (c1, c2, c3, c4, c5) is formed, and the packing guide hole 21 is installed in the packing for the airtight of the condensate in the portion coupled to the storage unit 10, and the storage unit 10 In order to distribute the predetermined steam and air through the filter (30) from the discharge induction groove 22 is formed on one side, the discharge induction groove 22 is formed on one side to the first discharge portion 80 side Inlet hole 23 for introducing steam, and is attached to the front of the discharge induction groove 22 so that steam and air flows into the discharge induction groove 22 through the filter 30 from the storage unit 10. The cover plate 24 and the cover plate 24 are formed at a lower side where the cover plate 24 is positioned, and a through hole 25 for passing condensed water is formed at the first discharge part 80 side. have.

The control unit 60 is electrically connected to the case 61 and the upper level sensor 40 and the lower level sensor 50 is fixedly installed by a fastening screw on one side of the assembly panel unit 20, The number of discharges of condensed water according to the operation of the driving unit 70 is displayed on the display D, and an operation button B for inputting the same is provided, and a limit switch L1 for controlling one cycle operation of the driving unit 70. A printed circuit board 62 provided with L2 and a battery 63 connected to the printed circuit board 62 to supply power to the driving unit 70 and the printed circuit board 62.

The drive unit 70 connected to the control unit 60 and operated according to the level of steam, air, and condensed water introduced into the storage unit 10 is fixed to the control box 60 and the case 61. 71, a step motor 72 installed in the gear box 71 and driven according to the power supply of the battery 63, a worm gear 73 provided on the rotating shaft of the step motor 72, and a worm gear The first spur gear 74 is meshed with the first spur gear 74 and the second spur gear 75 is meshed with the first spur gear 74 and operated one rotation when the condensed water level is sensed through the upper level sensor 40. And an eccentric shaft extending from the second spur gear 75 to be eccentrically driven by the driving of the second spur gear 75 and integrally formed with a contact protrusion 76a for turning on / off the limit switch L1. 76 and a slidably mounted on the eccentric shaft 76, according to the rotation of the eccentric shaft 76 at the time of detecting the condensate level through the lower level sensor 50 A vertical actuating port 77 that is operated to turn on / off the limit switch L2, an actuating bar 78 that is axially installed together with a spring at a predetermined position of the vertical actuating port 77, and an actuating bar 78 It is connected to one end is composed of a needle valve 79 for controlling the discharge of steam and air pressure passed to the first discharge portion 80 side.

On the other hand, the first discharge unit 80 is installed in the assembly panel while receiving a portion of the drive unit 70 so as to communicate with the condensed water, steam and air from the storage unit 10 to the assembly panel portion 20 The first passage 81 formed in communication with the inflow hole 23 on one surface closely installed, and the plurality of second passages 82 formed at the lower portion where the first passage 81 is installed to discharge the condensate in both directions. And a third passage 83 formed in communication with the first passage 81, and a fourth portion for discharging steam and air pressure introduced and formed in the third passage 83 to the second discharge unit 90. A plurality of passages 84 and a fifth passage 85 formed in communication with the second passage 82 at a position proximate to the fourth passage 84 to discharge condensed water according to steam and air pressure; The installation groove 86 is formed in a predetermined depth between the second passage 82 and the installation groove 86 including the installation groove 86 is fitted to the side of the second passage 82 The gasket 87 which maintains airtightness with the second discharge part 90 side and the mesh plate 88 which is attached to the inlet end of the second passage 82 to filter foreign matter contained in the condensate do.

The second discharge unit 90 is connected to one side of the first discharge unit 80 to control the discharge of condensate according to the condensate pressure state by the steam and air while inducing and discharging steam and air. A valve housing 91 having a first discharge hole 91a, a second discharge hole 91b having a predetermined diameter formed on a circumference, and having a positioning protrusion 91-1 formed on one side thereof, and the valve housing A valve body 92 guided in the 91 to open and close the first discharge hole 91a or the second discharge hole 91b in accordance with steam and air pressure from the first discharge portion 80; A compression spring 93 connected to one side of the sieve 92 to elastically pressurize the valve body 92 according to the vapor pressure, and a fixing groove 94-1 for guiding the valve housing 91 to the home position are provided. The formed through hole 94a communicates with the through hole 94a and guides and discharges steam introduced from the first discharge part 80. A guide hole 94b is provided and includes a body 94 formed integrally with a screw portion 94c for connection and installation with a condensate discharge pipe on one side.

The through hole 94a has an inner diameter for guiding and fixing the valve housing 91, and a second discharge of the valve housing 91 from the second passage 82 of the first discharge portion 80 on the circumference of the inner diameter. The condensate inlet portion having a predetermined width for inducing condensate inflow to the outer side of the ball 91b is formed in a structure formed.

Referring to the operation and effect on the condensate discharger for steam and compressed air supply device of the present invention configured as described above are as follows.

First, the condensate discharger is installed in the pneumatic line of the equipment side of the factory using the air system and the steam system such as the boiler installed in the industrial site or the boiler of the apartment. The condensate generated and agglomerated in the pipe is stored separately, and the stored condensate is discharged.

When the present invention is described in relation to the condensate discharger installed in the steam and pneumatic system, the connector 12 provided on the upper side or the side of the storage unit 10 of the condensate discharger is connected to the condensate inlet and outlet according to the installation of each circulation line Installed to store the condensate flowing in a predetermined amount.

The condensed water flowing into the storage unit 10 is detected by the detection of the upper level sensor 40 and the lower level sensor 50 spaced apart from each other by a predetermined level at a predetermined level, that is, a predetermined height on the side of the assembly panel 20. The condensate level is sensed and the condensate is stored with the steam supply flowing through the pipe.

The condensate has a discharge time in a state where the condensate is raised to the height of the upper level sensor 40, but if the condensate is stored in a small amount, the steam pressure introduced together with the condensate in the storage unit 10 is the work of the assembly panel unit 20. Steam and air are introduced into the first discharge unit 80 at a predetermined pressure through the filter 30 installed at the side surface. At this time, only the pure steam is filtered in the state of filtering foreign matters such as scale generated from the inside of the steam and air passing through the filter 30, and the filtered steam is discharged from the wall surface of the assembly panel unit 20. Along the groove 22 is introduced into the first discharge portion 80 side through the inlet hole 23 formed in the direction in which the assembly panel 20 and the first discharge portion 80 is in contact with each other.

The cover plate 24 attached to one side of the assembly panel unit 20 forms a passage while maintaining airtightness from the storage unit 10 with respect to the discharge induction groove 22, thereby providing pure steam and only through the filter 30. Induce air circulation.

The filter 30 installed on the cover plate 24 is manufactured by sintering a brass material having predetermined particles, and is capable of filtering pure steam and air only by filtering out fine foreign substances.

The steam and air passing through the inlet hole 23 along the discharge guide groove 22 are introduced into the first passage 81 of the first discharge part 80, and the introduced steam and air are attached to FIG. 7. As shown, the third of the first discharge portion 80 through the support is installed in the groove (80a) provided on the upper side of the first discharge portion 80 to guide the support rod 78 of the drive unit 70 Steam and air pressure flowing into the fifth passage 85 formed on both sides of the fourth passage 84 via the passage 83 and flowing into the fifth passage 85 are the second of the first discharge portion 80. The valve body 92 is formed between the passages 82 and flows into the installation groove 86 communicating with the fifth passage 85 to pressurize the valve body 92 installed in the valve housing 91 of the second discharge unit 90. It delays the discharge of condensate from the reservoir through the valve housing 91.

One end of the valve body 92 in the above state blocks the first discharge hole 91a formed in the valve housing 91, and the outer circumference of the valve body 92 communicates with the inside of the valve housing 91. The plurality of formed second discharge holes 91b are blocked to prevent the discharge of condensate.

On the other hand, in the above-described progress for a long time, when the condensate gradually stored in the storage unit 10 reaches the height of the upper level sensor 40 by the rise of the water level, the electrical signal of the upper level sensor 40 is It is transmitted to the control unit 60 to drive the step motor 72 installed in the gear box 71 of the drive unit 70.

In the above state, the first spur gear 74 and the second spur gear 75 of each of the worm gears 73 installed on the rotation axis of the motor 72 are driven in accordance with the driving of the step motor 72, and the second flat As the gear 75 rotates, the eccentric shaft 76 formed integrally with the spur gear rotates once and is stopped. At this time, the contact protrusion 76a installed on the eccentric shaft 76 rotates to contact the limit switch L1 provided on the printed circuit board 62 of the control unit 60, and the vertical operation installed on the eccentric shaft 76. The sphere 77 is slid along with the rotation of the up and down eccentric shaft 76, and the vertical movement of the upper end portion of the vertical actuating sphere 77 is the limit switch (L1) in a state in which the contact projection (76a) is half rotated Another limit switch (L2) is installed in close proximity to the operation, the contact projection (76a) on the eccentric shaft (76) is always operated by one rotation is maintained in contact with the limit switch (L1).

In the one-turn operation of the eccentric shaft 76 as described above, the condensate from the upper level sensor 40 that detects the condensate is connected to the lower side through-hole 25 of the assembly panel unit 20 connected to the storage unit 10. Discharged through the first discharge portion 80 and the second discharge portion 90 through the operating rod 78 installed at the lower portion of the vertical actuating opening 77 at this time is operated in accordance with the rise of the vertical actuating opening 77 The needle valve 79 installed at the lowest end of the rod 78 is raised, and as the needle valve 79 is raised, the fourth passage 84 of the first discharge part 80 is opened momentarily, and the fourth opened From the passage 84, the vapor and air pressurizing the valve body 92 through the fifth passage 85 are rapidly raised in the third passage 83 while generating a vacuum pressure, and at the same time, the fourth passage 84. Is introduced and discharged along the guide hole (94b) of the second discharge portion 90, the rapid movement of the steam as shown in Figure 5 attached to the valve body 92 was pressurized As shown in the figure, the valve body 92 is transferred to the first discharge part 80 side, and the valve body 92 at this time is in a state of pressing the compression spring 93 connected to one side.

As described above, the condensed water from the storage unit 10 is retracted from the valve housing 91 by the compression spring 93 so as to be discharged from the first discharge unit 80 through the through hole 25 of the assembly panel unit 20. Condensed water passing through the second passage 82, and passing through the second passage 82 of the second discharge portion 90 by the reverse of the valve body 92, as shown in FIG. 94 passes through the second discharge hole 91b of the valve housing 91 along the condensed water inlet 95 of the through hole 94a, so that the condensate is discharged from the first discharge hole 91a of the valve housing 91. It is discharged through the condensate discharge pipe connected to the screw portion 94c of the second discharge portion 90 through.

The condensate is discharged from the storage unit 10, the level of the condensate falling sharply from the upper level sensor 40 reaches the lower level sensor 50, the vertical actuation port 77 of the eccentric shaft 76 As the upper part is raised by the rotation, the upper part is contacted with the limit switch L2 again, and at the same time, the electric signal of the limit switch L2 is turned off, and the storage unit 10 is based on the lower level sensor 50. The condensed water to the lower portion of the discharge is suddenly discharged from the storage unit 10 through the first discharge unit 80, the second discharge unit 90 at the time when the limit switch (L2) off.

The condensed water discharged as described above is discharged from the second passage 82 of the valve body 92 from one surface of the through hole 94a of the second passage 82 and the second discharge portion 90 formed in the first discharge portion 80 ( 91b) passes through a plurality of condensate inlet grooves 95 formed to induce and discharge the condensate, and is finally discharged through the two discharge holes, while steam and air are separated from the fourth passageway 84 of the first discharge unit 80. And, it can be smoothly discharged through the guide hole (94b) of the second discharge portion (90).

In addition, referring to the accompanying FIG. 9 showing the discharge flow of the condensate, when the scale and each foreign matter in the pipe flows into the condensate introduced into the storage unit 10 and cannot discharge, the inside of the storage unit 10 is prevented. The electrical signal according to the condensed water level detection of the installed upper level sensor, the lower level sensor is self-diagnosed by the control unit 60 to emit a red diode (omitted in the drawing) and immediately notify whether there is an abnormality, and the driving unit 70 ), The operation and stop are alternately performed to pressurize and release the steam and air pressure repeatedly to generate water hammer from the valve housing 91 to remove foreign substances such as scale.

In addition, the normal discharge of the condensate water is displayed on the display (D) so that the amount of condensate can be accurately checked.

The removal of foreign substances by the water hammer (water hammer) phenomenon as described above can shorten the heating time of the heater of the steam system to improve the heat transfer efficiency, and the damage of the equipment in the production line of the steam and pneumatic systems. It can meet the requirements to significantly improve the productivity of the product.

As described above, the present invention enables to select the discharge time of the condensate by the electrical signal of the control unit according to the sensor and the sensor for detecting the condensate level in the storage unit, as well as the closing timing of the outlet side valve By effectively controlling the leakage loss of live steam and compressed air, it is possible to efficiently manage the number of discharges of condensate and its discharge in the device itself.

Claims (8)

In the condensate discharger for storing and discharging the condensate generated in the medium supply line of the steam supply system and pneumatic system, A storage unit 10 for storing a predetermined amount of condensed water including steam and air through an inlet 11 provided at one side; An assembly panel unit 20 connected to one side of the storage unit 10; A filter 30 installed at one side of an assembly panel connected to the storage unit 10 to filter condensed water including steam and air to be discharged at a predetermined pressure; An upper level sensor 40 and a lower level sensor 50 installed in the assembly panel 20 to penetrate the storage unit 10 to sense condensate levels; A controller 60 electrically connected to each of the level sensors 40 and 50 to calculate the discharge and the number of the condensate and to electrically control the discharge of the condensate; A drive unit 70 connected to the control unit 60 and operated according to the level of steam and condensate introduced into the storage unit 10 to discharge the condensate; A first discharge part 80 installed to communicate with the assembly panel while accommodating a part of the driving part 70 to partition and discharge the condensed water and steam from the storage part 10; It is connected to one side of the first discharge portion 80 is steam and air, characterized in that composed of a second discharge unit 90 for controlling the discharge of condensate according to the steam and air and condensate pressure conditions while inducing and discharging steam and air Condensate drain for compressed air supply. The condensate ejector of claim 1, wherein a plurality of connectors (12) are formed at one side of the storage unit (10) to be connected to at least one condensate inlet pipe. The method of claim 1, wherein the assembly panel 20 is a storage unit 10, the control unit 60, the upper level sensor 40 and the lower level sensor 50, the first discharge unit 80 in a predetermined position. Fastening holes (c1, c2, c3, c4, c5) for screwing, A packing fixing groove 21 in which a packing for airtightness of condensate is installed at a portion coupled to the storage unit 10; A discharge induction groove 22 for circulating a predetermined steam from the storage unit 10 through the filter 30; An inlet hole 23 formed at one side of the discharge induction groove 22 to introduce steam to the first discharge part 80; A cover plate 24 attached to the front of the discharge induction groove 22 to allow steam and air to enter the discharge induction groove 22 from the storage unit 10 through the filter 30; Condensate discharge for steam and compressed air supply apparatus, characterized in that the cover plate (24) is formed on the lower side, the through hole 25 for passing the condensate water to the first discharge portion (80) side. According to claim 1, The control unit 60 and the case 61 is fixed to one side of the assembly panel unit 20, The upper level sensor 40 and the lower level sensor 50 is electrically connected and installed, and the discharge number of the condensed water according to the operation of the driving unit 70 is displayed through the display (D), the operation button (B) for inputting the same A printed circuit board 62 provided with a limit switch for controlling one cycle of the driving unit 70, Condensed water discharger for steam and compressed air supply apparatus, characterized in that consisting of a battery (63) connected to the printed circuit board (62) to supply power to the drive unit 70 and the printed circuit board (62). According to claim 1 or 4, the drive unit 70 is a gear box 71 is fixedly installed in the case 61 of the control unit 60, A step motor 72 installed in the gear box 71 and driven according to the power supply of the battery 63; The worm gear 73 is provided on the rotating shaft of the step motor 72, A first spur gear 74 meshed with the worm gear 73; A second spur gear 75 which is installed on the first spur gear 74 and is operated one rotation when the condensate level is sensed through the upper level sensor 40; An eccentric shaft 76 extending from the second spur gear 75 to be eccentrically driven according to the driving of the second spur gear 75, and having a contact protrusion 76a integrally formed to turn the limit switch on and off; It is slidably installed on the eccentric shaft 76, the vertical operation port for operating the vertical switch in accordance with the rotation of the eccentric shaft 76 when the condensate level is sensed through the lower level sensor 50 to turn on / off the limit switch ( 77), An actuating rod 78 axially installed with a spring at a predetermined position of the vertical actuating port 77; Condensed water ejector for steam and compressed air supply device, characterized in that consisting of a needle valve 79 is connected to one end of the operating rod 78 to control the discharge of steam and air pressure passed to the first discharge portion 80 side . According to claim 1 or claim 3, The first discharge portion 80 is a first passage 81 formed in communication with the inlet hole 23 on one surface in close contact with the assembly panel portion 20, A plurality of second passages 82 formed at a lower portion where the first passages 81 are installed to discharge the condensate in both directions; A third passage 83 formed in communication with the first passage 81; A fourth passage 84 formed in the third passage 83 for discharging the introduced steam pressure to the second discharge portion 90; A plurality of fifth passages 85 formed in communication with the second passage 82 at a position proximate to the fourth passage 84 to discharge condensed water according to steam and air pressure; A predetermined depth formed between the second passages 82 and communicating with the fifth passage 85; A gasket 87 installed at the second passage 82 side including the installation groove 86 to maintain airtightness with the second discharge unit 90 side; Condensed water ejector for steam and compressed air supply apparatus, characterized in that consisting of a mesh plate 88 is attached to the inlet of the front end of the second passage (82) to filter foreign matter contained in the condensate. According to claim 1, wherein the second discharge portion 90, the first condensate water discharge hole (91a) is formed in the center, the condensate second discharge hole (91b) of a predetermined diameter is formed on the circumference, the position is fixed to one side A valve housing 91 in which the protrusion 91-1 is formed, The valve body 92 which is installed in the valve housing 91 and opens and closes the first discharge hole 91a or the second discharge hole 91b according to the steam and air pressure introduced into the first discharge unit 80. Wow, A compression spring 93 connected to one side of the valve body 92 to elastically pressurize the valve body 92 according to steam and air pressure; The through hole 25 is formed with a fixing groove (94-1) for guiding the valve housing 91 in place, and communicates with the through hole 25, the steam and air flowing from the first discharge portion (80) Guide hole (94b) is provided for guiding and discharging the steam and compressed air supply device, characterized in that it comprises a body 94 formed integrally with a screw portion (94c) to be connected to the condensate discharge pipe is installed on one side Condensate drainer. The method of claim 7, wherein the through hole 25 has an inner diameter, the condensed water induces inflow from the first discharge portion 80 from the outside of the second discharge hole (91b) side of the valve housing 91 on the circumference of the inner diameter Condensate discharge for steam and compressed air supply unit, characterized in that the condensate inlet is expanded.