Hydrophobic action liquid level adjustable self-cleaning hydrophone

Abstract

The present application relates to a kind of self-cleaning hydrophobic ware with adjustable hydrophobic action liquid level, including valve body, valve cover, floating ball, liquid capsule, liquid supply device, liquid pipeline and gas pipeline;Valve body is equipped with inner cavity, valve cover is used to cover valve body, floating ball is in the inner cavity of valve body, filter screen is arranged above floating ball, exhaust device is arranged on valve cover, valve body is equipped with the hydrophobic ware import and the hydrophobic ware export connected with inner cavity, the valve seat is obliquely arranged on the lower side of valve body;Liquid capsule is arranged in floating ball, the two ends of liquid pipeline are connected with liquid capsule and liquid supply device respectively, the two ends of gas pipeline are connected with the cavity between floating ball and liquid capsule and atmosphere respectively.Compared with prior art, the mass of liquid in the liquid capsule inside floating ball is changed to adjust the gravity of floating ball in the present application, so that the hydrophobic ware action liquid level can be accurately controlled, the surface layer of filter screen, exhaust device and valve seat uses the material with super oil-repellent characteristics, so that it will not be blocked due to oil film adhesion particles, with self-cleaning ability.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hydrophobic devices, in particular to a self-cleaning hydrophobic device with adjustable hydrophobic action liquid level. BACKGROUND

[0002] Hydrophobic devices, also known as hydrophobic valves, are widely used in important industries such as petrochemical industry, pharmaceutical industry, and power plant, etc. They can timely drain the condensate water and non-condensed gas in the steam pipeline and equipment, prevent water hammer, vibration, uneven heating, and other problems in the pipeline, and play a role in protecting equipment, saving energy and reducing emissions. For example, the free-floating ball type steam hydrophobic valve for fine grinding hollow balls disclosed in Chinese patent CN200820074755.6 and the free-floating ball type steam hydrophobic valve disclosed in Chinese patent CN202122170614.2, etc. The basic function of the floating ball type hydrophobic valve is to quickly drain the condensate water, air and carbon dioxide gas in the steam system; at the same time, it can automatically prevent steam leakage to a large extent.

[0003] However, in the prior art, due to installation errors of equipment, wear of internal structure during use, changes in hydrophobic quality and other factors, the opening and closing of the hydrophobic device deviates from the rated action liquid level, and in severe cases, steam leakage may occur. In addition, since the steam system contains pumps and various rotating parts, most of these parts need to be lubricated with oil, and some oil may seep into the steam system. As a hydrophobic device of the system, the hydrophobic device often encounters various conditions containing oil stains. The oil may adhere to the filter screen, valve seat and exhaust valve of the hydrophobic valve, and absorb iron filings and other small particles in the hydrophobic device, causing blockage, and affecting the safety of the main equipment. SUMMARY

[0004] The purpose of the present application is to overcome the defects of the prior art and provide a self-cleaning hydrophobic device with adjustable hydrophobic action liquid level.

[0005] The purpose of the present application can be achieved by the following technical solutions:

[0006] A self-cleaning hydrophobic device with adjustable hydrophobic action liquid level, comprising a valve body, a valve cover, a floating ball, a liquid capsule, a liquid supply device, a liquid pipeline and a gas pipeline; the valve body is provided with an inner cavity, the valve cover is used to cover the valve body, the floating ball is arranged in the inner cavity of the valve body, the floating ball is provided with a filter screen, the valve cover is provided with an exhaust device, the valve body is provided with a hydrophobic device inlet connected to the inner cavity and a hydrophobic device outlet connected to the inner cavity, and the lower side of the valve body is provided with a valve seat inclinedly, the opening degree of the valve seat changes with the floating of the floating ball in the inner cavity; the liquid capsule is arranged in the floating ball, one end of the liquid pipeline is connected to the liquid capsule, the other end of the liquid pipeline is connected to the liquid supply device, one end of the gas pipeline is connected to the cavity between the floating ball and the liquid capsule, and the other end of the gas pipeline is connected to the atmosphere.

[0007] Preferably, the surface layer of the filter screen, the air exhaust device and the valve seat is made of a super-oleophobic material.

[0008] Preferably, the liquid supply device comprises a liquid storage tank and a piston, the liquid pipeline is connected to the liquid storage tank, and the liquid in the liquid storage tank flows into the liquid tank as the piston extends out of the liquid storage tank, and the liquid in the liquid tank flows back to the liquid storage tank as the piston retracts.

[0009] Preferably, the liquid storage tank is installed outside the valve body.

[0010] Preferably, the end of the gas pipeline connected to the atmosphere is provided with a breathing filter screen.

[0011] Preferably, the bottom of the valve body is further provided with a drain hole, and the drain hole is sealed by a sealing member.

[0012] Preferably, the sealing member is a bolt threadedly connected to the drain hole.

[0013] Preferably, the inner cavity is provided with a boss above the position of the floating ball, and the boss is used for installing the filter screen and the ball cover.

[0014] Preferably, the valve seat is arranged on the lower side of the valve body, and the inner cavity is provided with a protrusion on the lower side for supporting the floating ball to make the floating ball adhere to the valve seat.

[0015] Preferably, the side wall of the valve body is provided with a drain passage, and the two ends of the drain passage are respectively a drain outlet and a valve seat, the drain outlet is communicated with the inner cavity through the drain passage, and the drain passage is opened and closed along with the opening and closing of the valve seat.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] (1) The liquid tank is arranged in the floating ball, the liquid tank is connected to the liquid supply device, and by changing the mass of the liquid in the liquid tank in the floating ball, the gravity of the floating ball can be adjusted, so that the action liquid level of the drain can be accurately controlled.

[0018] (2) The surfaces of key parts such as the filter screen, the air exhaust device and the valve seat are made of a fish scale surface micro-nano structure coupling material, which has super-oleophobic properties, so that it will not be blocked by the adhesion of particles due to the oil film, and has self-cleaning ability.

[0019] (3) The end of the gas pipeline connected to the atmosphere is provided with a breathing filter screen, which can filter impurities and prevent the inside of the drain from being contaminated.

[0020] (4) The valve seat is arranged on the lower side of the valve body, and the inner cavity is provided with a protrusion on the lower side for supporting the floating ball to make the floating ball adhere to the valve seat, so that the floating ball can adhere to the valve seat, and the floating ball can float with the liquid level to adjust the opening of the valve seat when the condensate water is at different liquid levels.

[0021] (5) the valve body side wall is provided with a drainage channel, the two ends of the drainage channel are valve seat and water trap outlet respectively, the water trap outlet is communicated with the inner cavity through the drainage channel, the drainage channel is opened and closed along with the valve seat, so that the condensed water flows out through the water trap outlet after the valve seat is opened, and the valve seat is provided with a water seal below the condensed water to avoid steam leakage.

[0022] (6) the liquid supply device comprises a liquid storage tank and a piston, the liquid pipeline is connected with the liquid storage tank, the liquid storage tank is installed outside the valve body, the liquid in the liquid storage tank flows into the liquid bag along with the extension of the piston, the liquid in the liquid bag flows back to the liquid storage tank along with the retraction of the piston, so that the liquid amount in the liquid bag can be accurately changed, and the control error is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present application;

[0024] Figure 2 It is a surface schematic diagram of the super oil-repellent material;

[0025] The drawings show that: 1 is a filter screen, 2 is an exhaust device, 3 is a valve cover, 4 is a water trap outlet, 5 is a gas pipeline, 6 is a floating ball, 7 is a valve seat, 8 is a sealing element, 9 is a liquid bag, 10 is a piston, 11 is a breathing filter screen, 12 is a liquid pipeline, 13 is a water trap inlet, and 14 is a valve body. DETAILED DESCRIPTION

[0026] The present application will be described in detail below in combination with the drawings and specific embodiments. The present embodiment is implemented on the premise of the technical scheme of the present application, and gives a detailed implementation manner and specific operation process, but the protection scope of the present application is not limited to the following embodiments.

[0027] In the drawings, components with the same structure are denoted by the same reference numerals, and components with similar structures or functions are denoted by similar reference numerals. The size and thickness of each component shown in the drawings are arbitrarily shown, and the present application does not limit the size and thickness of each component. In order to make the drawing clearer, the components are appropriately exaggerated in some places in the drawing.

[0028] In the description of the embodiments of the present application, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly understood by those skilled in the art, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0029] In addition, the terms "first", "second", "third", etc. are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0030] In the description of the embodiments of the present application, it should be further explained that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] Embodiment 1:

[0032] A self-cleaning hydrophobic device with adjustable hydrophobic action liquid level, as shown in Figure 1 , comprising a valve body 14, a valve cover 3, a floating ball 6, a liquid capsule 9, a liquid supply device, a liquid pipeline 12 and a gas pipeline 5; the valve body 14 is provided with an inner cavity, the valve cover 3 is used to cover the valve body 14, the floating ball 6 is a stainless steel fine grinding hollow floating ball 6, the floating ball 6 is arranged in the inner cavity of the valve body 14, a filter screen 1 is arranged above the floating ball 6, an exhaust device 2 is arranged on the valve cover 3, a thermal element is arranged in the exhaust device 2, the main material of the thermal element is fusible alloy or thermal insulation material, etc., a self-help switch controlled by temperature is formed by using the characteristics that the physical properties of these materials change with temperature; the valve body 14 is provided with a hydrophobic device inlet 13 connected with the inner cavity and a hydrophobic device outlet 4 connected with the inner cavity, a valve seat 7 is arranged on the lower side of the valve body 14 in an inclined manner, the opening degree of the valve seat 7 changes with the floating of the floating ball 6 in the inner cavity, a drain passage is arranged on the side wall of the valve body 14, the two ends of the drain passage are the hydrophobic device outlet 4 and the valve seat 7 respectively, the hydrophobic device outlet 4 is communicated with the inner cavity through the drain passage, and the drain passage is opened and closed with the opening and closing of the valve seat 7; the liquid capsule 9 is arranged in the floating ball 6, one end of the liquid pipeline 12 is connected with the liquid capsule 9, the other end is connected with the liquid supply device, one end of the gas pipeline 5 is connected with the cavity between the floating ball 6 and the liquid capsule 9, the other end is connected with the atmosphere, and the liquid pipeline 12 and the gas pipeline 5 are selected from a hose.

[0033] The surface layer of the filter screen 1, the exhaust device 2 and the valve seat 7 is made of a super-oil-repellent material, in the present application, a fish scale surface micro-nano structure coupling material is selected to make the surface layer of the filter screen 1, the exhaust device 2 and the valve seat 7, as shown in Figure 2 , the fish scale surface micro-nano structure coupling material has super-oil-repellent characteristics, so that it will not be blocked by oil film adhesion particles, and has self-cleaning ability. In other embodiments, other types of super-oil-repellent materials can also be selected to coat, film, surface modification, etc., so that the surface layer of the filter screen 1, the exhaust device 2 and the valve seat 7 has super-oil-repellent characteristics.

[0034] Specifically, the liquid supply device includes a liquid storage tank and a piston 10, the liquid in the liquid storage tank is not limited to any density of liquid, a liquid pipeline 12 is connected to the liquid storage tank, the liquid in the liquid storage tank flows into the liquid bag 9 with the extension of the piston 10, and the liquid in the liquid bag 9 flows back to the liquid storage tank with the retraction of the piston 10, and a scale line can be arranged on the piston 10 and the liquid storage tank to ensure control accuracy. In the embodiment, the liquid storage tank is installed outside the valve body 14, and the piston 10 extends into the liquid storage tank.

[0035] In the present application, the liquid bag 9 is arranged inside the floating ball 6, and the existence of the liquid bag 9 can guarantee that the opening degree of the steam trap has a certain margin change. When special circumstances require to adjust the steam trap liquid level, the liquid amount of the liquid bag 9 in the floating ball 6 can be adjusted by reciprocating the piston 10 (the existence of the gas pipeline 5 can adjust the internal and external pressure to guarantee the reciprocating movement of the piston 10), so as to accurately control the mass of the liquid in the liquid bag 9, and control the gravity of the floating ball 6, so that the action liquid level of the steam trap can be accurately controlled.

[0036] A breathing filter screen 11 is arranged at one end of the gas pipeline 5 connected to the atmosphere, which can filter impurities without affecting the work of the gas pipeline 5, so as to prevent impurities from the outside from entering the steam trap.

[0037] The valve body 14 is further provided with a blowdown hole, and the blowdown hole is sealed by a sealing element 8. In the embodiment, the sealing element 8 is a bolt threadedly connected with the blowdown hole. Through the blowdown hole, the steam trap can be cleaned and blowdown.

[0038] The filter screen 1 can filter small particles such as iron filings, and a boss is arranged at a position above the inner cavity of the floating ball 6, which is used for installing the filter screen 1 and the ball cover. A clamping groove can be formed on the boss, and a matching protrusion is arranged on the edge of the filter screen 1, so that the filter screen 1 is installed on the boss, and the filter screen 1 can be directly replaced by opening the valve cover 3; the ball cover is installed below the filter screen 1, and is used for limiting the floating ball 6 to prevent the floating ball 6 from damaging the filter screen 1 and the exhaust device 2 and other parts.

[0039] The valve seat 7 is arranged on the lower side of the valve body 14, and a protrusion is arranged on the lower side of the inner cavity, which is arranged opposite to the valve seat 7 and is used for supporting the floating ball 6 to make the floating ball 6 adhere to the valve seat 7.

[0040] The hydrophobe is generally installed between the steam heating equipment and the condensate water return pipe, has low noise, can realize continuous discharge, has water seal inside, and has good steam energy saving effect. When the equipment is just started, the hydrophobe is cool, the thermal sensitive element is contracted, the air discharge device 2 is in the open state, the initial air is continuously discharged, and fast starting is realized; when the condensate water enters the valve body 14, the air is discharged from the air discharge device 2, the float ball 6 is lifted with the condensate water liquid level, the valve seat 7 is opened, and the condensate water is discharged from the valve seat 7; when the condensate water and high temperature steam enter the valve body 14, the thermal sensitive element is contracted, the air discharge device 2 is in the closed state, the float ball 6 is floated with the condensate water liquid level, and thus the opening of the valve seat 7 is adjusted, and the condensate water is discharged; when no condensate water enters the valve body 14, the float ball 6 closes the valve seat 7 with the liquid level, since the valve seat 7 is always below the condensate water level, a water seal is formed, no steam is leaked, when the water level rises again, the valve seat 7 is opened, and the condensate water is continuously discharged, and circulation is formed.

[0041] The foregoing describes in detail the preferred embodiments of the present application. It should be understood that those skilled in the art can make many modifications and changes without creative work based on the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment based on the prior art according to the concept of the present application should be within the protection scope defined by the claims.

Claims

1. A self-cleaning trap with adjustable hydrophobic action liquid level, characterized in that, The valve body is provided with an inner cavity, the valve cover is used for covering the valve body, the float ball is arranged in the inner cavity of the valve body, a filter screen is arranged above the float ball, an exhaust device is arranged on the valve cover, a hydrophobic inlet connected with the inner cavity and a hydrophobic outlet connected with the inner cavity are arranged on the valve body, a valve seat is arranged on the lower side of the valve body in a slanting manner, and the opening degree of the valve seat changes with the floating of the float ball in the inner cavity.

2. A self-cleaning trap with adjustable hydrophobic action liquid level according to claim 1, characterized in that, The liquid tank is arranged in the float ball, the existence of the liquid tank guarantees that the opening degree of the hydrophobic device has a certain margin change, when the hydrophobic liquid level in the hydrophobic device needs to be adjusted under special circumstances, the liquid amount of the liquid tank in the float ball is pulled back and forth by the piston to control the mass of the liquid in the liquid tank, so that the gravity of the float ball is controlled, and the action liquid level of the hydrophobic device is accurately controlled.

3. A self-cleaning trap with adjustable hydrophobic action liquid level according to claim 2, characterized in that, One end of the liquid pipeline is connected with the liquid tank, and the other end is connected with the liquid supply device.

4. A self-cleaning trap according to claim 1, wherein, The other end of the gas pipeline is connected with the atmosphere.

5. A self-cleaning trap according to claim 1, wherein the hydrophobic action liquid level is adjustable. The surface layer of the filter screen, the exhaust device and the valve seat is made of an ultra-oil-repellent material.

6. A self-cleaning trap according to claim 5, wherein the hydrophobic action liquid level is adjustable. The liquid supply device comprises a liquid storage tank and a piston.

7. A self-cleaning trap according to claim 1, wherein, The liquid pipeline is connected with the liquid storage tank.

8. A self-cleaning trap according to claim 1, wherein, The liquid in the liquid storage tank flows into the liquid tank with the extension of the piston, and the liquid in the liquid tank flows back into the liquid storage tank with the retraction of the piston.

9. A self-cleaning trap according to claim 1, wherein, The liquid storage tank is installed outside the valve body. The end of the gas pipeline connected with the atmosphere is provided with a breathing filter screen. The valve body is further provided with a blow-off hole, and the blow-off hole is sealed by a sealing element. The sealing element is a bolt threadedly connected with the blow-off hole. A boss is arranged at a position above the float ball in the inner cavity, and the boss is used for mounting the filter screen and a ball cover. The valve seat is arranged on the lower side of the valve body, a protrusion is arranged on the lower side of the inner cavity, and the protrusion is used for supporting the float ball to make the float ball adhere to the valve seat. The side wall of the valve body is provided with a drain channel, and the two ends of the drain channel are respectively the hydrophobic outlet and the valve seat. The hydrophobic outlet is communicated with the inner cavity through the drain channel, and the drain channel is opened and closed with the opening and closing of the valve seat.

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