CN203115487U

CN203115487U - Steam trap

Info

Publication number: CN203115487U
Application number: CN 201320080949
Authority: CN
Inventors: 何春海
Original assignee: Peking University Founder Group Co Ltd; Zhuhai Founder Technology Multilayer PCB Co Ltd
Current assignee: New Founder Holdings Development Co ltd; Zhuhai Founder Technology Multilayer PCB Co Ltd
Priority date: 2013-02-22
Filing date: 2013-02-22
Publication date: 2013-08-07
Anticipated expiration: 2023-02-22

Abstract

The utility model relates to the field of electronic control technology, in particular to a steam trap. The steam trap is used for solving the problem that a time-controlled type steam strap in the prior art can not carry out dewatering according to the current water storage capacity. The steam trap comprises a float bowl, a magnetic proximity switch and a dewatering magnetic valve. A float bowl connecting rod is connected on the top of the float bowl, and the top of the float bowl connecting rod is connected with a magnetic head; and the magnetic proximity switch is connected with a power source and the dewatering magnetic valve through a power line. According to the steam trap, when the water storage capacity of the steam trap increases, the magnetic head can ascend through the float bowl until the magnetic proximity switch is closed, and the dewatering magnetic valve carries out dewatering after being powered-on; and when the water storage capacity of the steam trap decreases, the magnetic head can descend through the float bowl until the magnetic proximity switch is disconnected, and the dewatering magnetic valve stops dewatering after being powered-off. Thus, the steam trap can carry out dewatering according to the current water storage capacity in the steam trap.

Description

A kind of STEAM TRAP

Technical field

The utility model relates to the electronic control technology field, relates in particular to a kind of STEAM TRAP.

Background technique

At present, pressurized air is extensively applied to the industrial production every field, divides for fear of water in air equipment and product are made harmful effect, satisfies usage requirement, must carry out air-water separation to pressurized air.

Time control type steam trap connection commonly used at present is low because of simple installation, rate of fault, extensively applied in the hydrophobic link of various air-water separation, but, this steam trap connection is owing to adopt the hydrophobic mode of set time, can not regulate hydrophobic amount automatically according to hydrophobic amount size, in order to guarantee the air water normal separation, generally can only solve problem by the long hydrophobic time is set, but can cause the pressurized air waste like this.

To sum up, existing time control type steam trap connection can't carry out hydrophobic according to current moisture storage capacity size.

The model utility content

The utility model embodiment provides a kind of STEAM TRAP, and time control type steam trap connection can't carry out hydrophobic problem according to current moisture storage capacity size in the prior art in order to solve.

A kind of STEAM TRAP that the utility model embodiment provides comprises: comprising: water storage cavity, magnetic approach switch, hydrophobic solenoid valve and be positioned at the floating drum of described water storage cavity; The top of described floating drum connects the floating drum connecting rod, and the top of described floating drum connecting rod connects the magnetic head; Described magnetic approach switch is connected with power supply and described hydrophobic solenoid valve by power line; Described magnetic approach switch is positioned at the top of described magnetic head;

When the moisture storage capacity in the described water storage cavity rose, described floating drum drove described magnetic head and rises, and makes described magnetic approach switch closure, and when the moisture storage capacity of described STEAM TRAP descended, described floating drum drove described magnetic head and descends, and described magnetic approach switch is disconnected;

Described hydrophobic solenoid valve carries out hydrophobicly after described magnetic approach switch closure, after described magnetic approach switch disconnects, stops hydrophobic.

Preferably, described magnetic head is the permanent magnetism steel disc.

Preferably, described STEAM TRAP also comprises sleeve pipe, and described sleeve pipe passes the opening at described STEAM TRAP top; Described floating drum shaft portion extend in the described sleeve pipe.

Preferably, described STEAM TRAP also comprises the benefit core, and described sleeve pipe top is connected with described benefit core, and connects described water storage cavity body cavity body and magnetic approach switch by described benefit core.

Preferably, be connected with filter between described water storage cavity and the described hydrophobic solenoid valve.

Preferably, described water storage cavity comprises: floating drum cavity and the cylindrical shell that is connected with described floating drum cavity; Described floating drum is positioned at described floating drum cavity; The end that described floating drum cavity is connected with described cylindrical shell is opened the hole.

Preferably, described floating drum cavity and described cylindrical shell are cylindrical, and described through-hole diameter is less than described floating drum cavity internal diameter.

Preferably, described barrel diameter is greater than described through-hole diameter, and less than described floating drum cavity external diameter.

Preferably, described STEAM TRAP also comprises: the end cap that is connected with described cylindrical shell.

Preferably, described STEAM TRAP also comprises: pull bar is used for connecting described end cap and described floating drum cavity.

The STEAM TRAP that the utility model embodiment provides comprises: floating drum, magnetic approach switch and hydrophobic solenoid valve; The top of floating drum connects the floating drum connecting rod, and the top of floating drum connecting rod connects the magnetic head; Magnetic approach switch is connected with power supply and hydrophobic solenoid valve by power line; When adopting the utility model embodiment to rise at the moisture storage capacity of STEAM TRAP, driving the magnetic head by floating drum rises, make the magnetic approach switch closure, hydrophobic solenoid valve carries out hydrophobic after energising, when the moisture storage capacity of STEAM TRAP descends, drive the magnetic head by floating drum and descend, magnetic approach switch is disconnected, stop after the outage of hydrophobic solenoid valve hydrophobic, thereby can carry out hydrophobic according to current STEAM TRAP inner storing water amount size.

Description of drawings

The STEAM TRAP structural representation that Fig. 1 provides for the utility model embodiment;

Fig. 2 A mends the core plan view for the utility model embodiment;

Fig. 2 B mends the cored structure schematic representation for the utility model embodiment;

Fig. 3 is the as a whole STEAM TRAP schematic representation of the utility model embodiment water storage cavity;

Fig. 4 is the not STEAM TRAP schematic representation of band edge lid of the utility model embodiment.

Embodiment

Below in conjunction with Figure of description the utility model embodiment is described in further detail.

As shown in Figure 1, be the STEAM TRAP structural representation that the utility model embodiment provides, this STEAM TRAP comprises: water storage cavity, magnetic approach switch 1, hydrophobic solenoid valve 2 and be positioned at the floating drum 3 of described water storage cavity; The top of floating drum 3 connects floating drum connecting rod 4, and the top of floating drum connecting rod 4 connects magnetic 5; Magnetic approach switch 1 is connected with power supply 6 and hydrophobic solenoid valve 2 by power line; Magnetic approach switch 1 is positioned at the top of magnetic 5; When the moisture storage capacity of water storage cavity rose, floating drum 3 drove magnetic 5 rising, makes magnetic approach switch 1 closure, and when the moisture storage capacity in the STEAM TRAP descended, floating drum 3 drove magnetic 5 decline, and magnetic approach switch 1 is disconnected; Hydrophobic solenoid valve 2 carries out hydrophobicly after magnetic approach switch 1 closure, after magnetic approach switch 1 disconnects, stops hydrophobic.

Here, the utility model embodiment is by the switch motion of the magnetic that is connected with floating drum 35 a control magnetic approach switch 1, and then controls the switch of hydrophobic solenoid valve 2.Magnetic approach switch 1 is positioned at the top of magnetic 5, and does not contact with magnetic 5; When STEAM TRAP inner storing water amount rises, floating drum 3 drives magnetic 5 rising under floating function, distance between magnetic 5 and the magnetic approach switch 1 is more and more nearer, after reaching the distance that can make magnetic approach switch 1 closure, magnetic approach switch 1 closure, connect the closed-loop path of magnetic approach switch 1 and power supply 6, hydrophobic solenoid valve 2, hydrophobic solenoid valve 2 must electricly carry out hydrophobic; When STEAM TRAP inner storing water amount descends, floating drum 3 drives magnetic 5 decline, distance between magnetic 5 and the magnetic approach switch 1 is more and more far away, after the distance that reaches magnetic approach switch 1 disconnection, magnetic approach switch 1 disconnects, thereby the closed-loop path of disconnection and power supply 6, hydrophobic solenoid valve 2, hydrophobic solenoid valve 2 dead electricity stop hydrophobic.When selecting magnetic approach switch 1, the distance between the closed corresponding magnetic of selector switch 5 and the magnetic approach switch 1 and the switch bigger magnetic approach switch 1 of difference that disconnects the distance between corresponding magnetic head and the magnetic approach switch as far as possible, switch motion frequency like this can reduce, and can prolong switch working life.

Preferably, magnetic 5 is the permanent magnetism steel disc;

Here, because the perceptive object of magnetic approach switch 1 is magnetic bodies, the magnetic of magnetic 5 is more good, and the perception of magnetic approach switch 1 is just more sensitive, can select magnetic retention time magnetic heads more of a specified duration such as Permanent Magnet Steel sheet.

Preferably, floating drum connecting rod 4 is hollow connecting rod.Here, rise under floating function for ease of floating drum connecting rod 4, floating drum connecting rod 4 can be made as hollow connecting rod; Floating drum 3 and floating drum connecting rod 4 can adopt stainless steel material to make, and floating drum 3 and Placement between the floating drum connecting rod 4 can adopt welds or be threaded.Can calculate the volume of floating drum 3, highly as required, such as, by the volume of design floating drum 3, highly, make floating drum 3 near STEAM TRAP center line water level the time, trigger magnetic approach switch 1 closure.Can design the water level of STEAM TRAP when hydrophobic the STEAM TRAP center line or more than, deperm near the operating frequency of switch 1 and hydrophobic solenoid valve 2 as far as possible, prolong the working life of STEAM TRAP parts.No matter whether floating drum 3 is hollow with floating drum connecting rod 4, as long as in conjunction with fluid density in the STEAM TRAP, with averag density and its volume matched of floating drum 3 and/or floating drum connecting rod 4, realizes the sink-float of magnetic 5.

Preferably, this STEAM TRAP also comprises: sleeve pipe 7, and sleeve pipe 7 passes the opening at STEAM TRAP top; Floating drum connecting rod 4 parts extend in the sleeve pipe 7.

Here, for controlling the direction that floating drum connecting rod 4 rises well, so that magnetic 5 is near magnetic approach switch 1, the direction that adopts sleeve pipe 7 control floating drum connecting rods 4 to rise, when anhydrous in STEAM TRAP, guarantee that floating drum connecting rod 4 parts extend in the sleeve pipe 7, like this, when water level in the STEAM TRAP rises, can guarantee that floating drum connecting rod 4 drives magnetic 5 rising near magnetic approach switch 1.Preferable, break away from sleeve pipes 7 for preventing floating drum connecting rod 4, the partial-length that length that can be by floating drum connecting rod 4 is set etc. extend in the sleeve pipe 7 floating drum connecting rod 4 is not less than 30mm.

Preferably, STEAM TRAP also comprises mends core 8, and sleeve pipe 7 tops are connected with benefit core 8, and connects water storage cavity and magnetic approach switch 1 by mending core 8;

Shown in Fig. 2 A and Fig. 2 B, be respectively plan view and structural representation that the utility model embodiment mends core 8; Here, adopt to mend core 8 as the connected element of sleeve pipe 7 with water storage cavity, magnetic approach switch 1, sleeve pipe 7 tops can with mend core 8 welding, and by mending core 8 be threaded water storage cavity and magnetic approach switch 1.Sleeve pipe 7 internal diameters and benefit core 8 big I are selected according to actual needs, are 12mm as selecting floating drum connecting rod 4 external diameters, and sleeve pipe 7 internal diameters are 15mm, mend core 8 thread sizes and are 3/4-1/2 inch.

Preferably, be connected with filter 9 between water storage cavity and the hydrophobic solenoid valve 2.

Here, filter 9 can select the Y shape filter used always, effect be at current through before the hydrophobic solenoid valve 2, filter out the impurity in the water, impurity blocks hydrophobic solenoid valve 2 in the water to avoid, and influences normal hydrophobic process.

Preferably, the water storage cavity comprises: floating drum cavity 10 and the cylindrical shell 11 that is connected with floating drum cavity 10; Floating drum 3 is positioned at floating drum cavity 10; The end that floating drum cavity 10 is connected with cylindrical shell 11 is opened the hole;

Here, the water storage cavity of STEAM TRAP can be as a whole, also the water storage of STEAM TRAP partly can be set to 11 two parts of floating drum cavity 10 and cylindrical shell; As shown in Figure 3, be the as a whole STEAM TRAP schematic representation of the utility model embodiment water storage cavity; The making material of floating drum cavity 10 can be selected hard organic plastics or metallic material; Floating drum cavity 10 has certain thickness, can open interior threaded hole on floating drum cavity 10 tops, as the mounting interface of mending core 8, in floating drum cavity 10 left upper portion drain tap 12 is installed, and the bottom is opened interior threaded hole and connected hydrophobic blowdown piping and filter 9; Floating drum cavity 10 right sides connect cylindrical shell 11, can drive interior circular groove on floating drum cavity 10 right sides, and seal ring is installed, as with the sealing surface of cylindrical shell 11; Floating drum cavity 10 also can adopt the sealing gasket sealing with the joint of cylindrical shell 11; The transparency that the making material of cylindrical shell 11 can be selected hard is organic plastics or toughened glass preferably; In actual applications, can select floating drum cavity hatch size according to actual needs, so that various connected elements are installed, as being made as 3/4 inch with the internal thread aperture of mending core 8 is installed, the internal thread aperture that drain tap 12 is installed is made as 1/4 inch, the interior threaded hole that connects hydrophobic blowdown piping is made as 1/2 inch.

Preferably, floating drum cavity 10 and cylindrical shell 11 are cylindrical, and floating drum cavity 10 through-hole diameter d1 are less than floating drum cavity inner diameter d 2.

The shape of floating drum cavity 10 and cylindrical shell 11 also may be selected to be cuboid etc.; Consider from water storage volume angle, floating drum cavity 10 and cylindrical shell 11 can be designed to cylindrically, open the hole on floating drum cavity 10 right sides, make this through-hole diameter d1 less than floating drum cavity inner diameter d 2.

Preferably, cylindrical shell 11 diameter d 3 are greater than floating drum cavity 10 through-hole diameter d1, and less than floating drum cavity 10 outside diameter d 4.

Here, because floating drum cavity 10 has certain thickness, the branch of inner diameter d 2 and outside diameter d 4 is arranged, the present embodiment middle cylinder body is thin-walled, and establishing barrel diameter is d3; The water storage of STEAM TRAP partly is set to floating drum cavity 10 and cylindrical shell 11 two-part, the on the one hand effect in order to realize that floating drum cavity 10 and cylindrical shell 11 are different, higher as floating drum cavity 10 thickness, the various connected elements of convenient installation, cylindrical shell 11 transparencies are higher, the convenient STEAM TRAP inner storing water situation of observing, on the other hand, floating drum cavity 10 in through hole 12 diameter d 1 that are connected side with cylindrical shell 11 less than floating drum cavity 10 inner diameter d 2, cylindrical shell 11 diameter d 3 are greater than floating drum cavity 10 through-hole diameter d1, and less than floating drum cavity 10 outside diameter d 4, can make floating drum cavity 10 through-hole side bottoms form the step 13 that can stop cylindrical shell 11 current, this step 13 can weaken current on the one hand to the impact force of the floating drum 3 in the floating drum cavity 10, and on the other hand, this step 13 can play the effect that stops that cylindrical shell 11 current impurity enter floating drum cavity 10 to a certain extent; Wherein, floating drum cavity 10 inner diameter d 2 can equal cylindrical shell 11 diameter d 3.

Preferably, STEAM TRAP also comprises: the end cap 14 that is connected with cylindrical shell 11;

STEAM TRAP also comprises: pull bar 15 is used for connecting end cap 14 and floating drum cavity 10.

Cylindrical shell among the utility model embodiment can be an end opening, is connected with the floating drum cavity, and the other end sealing is driven oral pore simultaneously into and connected inlet line, as shown in Figure 4, is the utility model embodiment STEAM TRAP schematic representation of band edge lid not; In actual applications, for convenient maintenance to floating drum 3 parts such as grade in the STEAM TRAP, dismounting etc., cylindrical shell 11 is designed to both ends open, wherein an end is connected with floating drum cavity 10 through-hole sides, and the other end connects end cap 14, and end cap 14 can be dismantled at any time.At the intermediate open position interior threaded hole of end cap 14, connect inlet line as inlet hole 16; Can adopt the sealing of sealing gasket or seal ring between end cap 14 and the cylindrical shell 11, when adopting the seal ring sealing, can drive circular groove at the end that end cap 14 is connected with cylindrical shell 11, installation seal ring 17, as with the sealing surface of cylindrical shell 11;

Be fixed well in order to make between floating drum cavity 10, cylindrical shell 11 and the end cap 14, can open four pull bar internal thread through hole in the end cap ring slot outside, connect end cap 14 and floating drum cavity 10 by pull bar 15, adopt hold-doun nut 18 and pull bar 15 that floating drum cavity 10, cylindrical shell 11 and end cap 14 are connected as one.

The above, Fig. 1 is the utility model preferred embodiment, and the utility model embodiment's necessary construction package comprises water storage cavity, floating drum, magnetic approach switch, hydrophobic solenoid valve, and the floating drum connecting rod at floating drum top, the magnetic head at floating drum connecting rod top, power supply and hydrophobic solenoid valve etc.; Other can be used as the accessory of realizing the preferable hydrophobic effect of the utility model embodiment as sleeve pipe, benefit core, filter etc.

Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.

Claims

1. a STEAM TRAP is characterized in that, comprising: water storage cavity, magnetic approach switch, hydrophobic solenoid valve and be positioned at the floating drum of described water storage cavity; The top of described floating drum connects the floating drum connecting rod, and the top of described floating drum connecting rod connects the magnetic head; Described magnetic approach switch is connected with power supply and described hydrophobic solenoid valve by power line; Described magnetic approach switch is positioned at the top of described magnetic head;

2. STEAM TRAP as claimed in claim 1 is characterized in that, described magnetic head is the permanent magnetism steel disc.

3. STEAM TRAP as claimed in claim 1 is characterized in that, described STEAM TRAP also comprises sleeve pipe, and described sleeve pipe passes the opening at described STEAM TRAP top; Described floating drum shaft portion extend in the described sleeve pipe.

4. the STEAM TRAP of stating as claim 3 is characterized in that, described STEAM TRAP also comprises the benefit core, and described sleeve pipe top is connected with described benefit core, and connects described water storage cavity and magnetic approach switch by described benefit core.

5. STEAM TRAP as claimed in claim 1 is characterized in that, is connected with filter between described water storage cavity and the described hydrophobic solenoid valve.

6. as the arbitrary described STEAM TRAP of claim 1 ~ 5, it is characterized in that described water storage cavity comprises: floating drum cavity and the cylindrical shell that is connected with described floating drum cavity; Described floating drum is positioned at described floating drum cavity; The end that described floating drum cavity is connected with described cylindrical shell is opened the hole.

7. STEAM TRAP as claimed in claim 6 is characterized in that, described floating drum cavity and described cylindrical shell are cylindrical, and described through-hole diameter is less than described floating drum cavity internal diameter.

8. STEAM TRAP as claimed in claim 7 is characterized in that, described barrel diameter is greater than described through-hole diameter, and less than described floating drum cavity external diameter.

9. STEAM TRAP as claimed in claim 6 is characterized in that, described STEAM TRAP also comprises: the end cap that is connected with described cylindrical shell.

10. as STEAM TRAP as described in the claim 9, it is characterized in that described STEAM TRAP also comprises pull bar, connect described end cap and described floating drum cavity.