CN219283041U - Valve control equipment for thermal drainage of coal-fired power plant - Google Patents

Abstract

The utility model discloses valve control equipment for thermal drainage of a coal-fired power plant, which comprises a valve body and a valve cover, wherein the upper end of the valve body is provided with the valve cover, a containing cavity is arranged in the valve body, a floating ball is movably arranged in the containing cavity, one end of the valve body is provided with an inlet pipe, a filter plate is arranged in the inlet pipe, a cleaning mechanism is arranged on the inlet pipe on one side of the filter plate, an inlet port is arranged in the inlet pipe, one end of the valve body is provided with a discharge pipe, a discharge port is arranged on one end surface of the discharge pipe, a drainage pipeline is arranged in the valve body on one side of the floating ball, an exhaust pipeline is arranged in the valve cover, and the drainage pipeline and the exhaust pipeline are both communicated with the discharge pipe. According to the utility model, the filter plate is arranged in the inlet pipe, so that impurities in the condensed water can be cleaned by the filter plate, the impurities in the condensed water are prevented from being adsorbed in the valve, the valve is prevented from being blocked, and meanwhile, the filter plate is cleaned by the cleaning mechanism, so that the filter plate is prevented from being blocked after long-time use.

Description

Valve control equipment for thermal drainage of coal-fired power plant

Technical Field

The utility model relates to the technical field of valve control equipment, in particular to valve control equipment for thermal drainage of a coal-fired power plant.

Background

The drain valve is used in steam pipe network and equipment, can automatically discharge condensed water, air and other non-condensed gases and prevent water vapor from leaking, is widely applied to industries such as petrochemical industry, power plant and the like, and plays a great role in energy conservation and emission reduction.

At present, when the drain valve is used, impurities can be contained in water and used for a long time, the impurities in the water can be adsorbed in the valve, meanwhile, the inner pipeline of the valve is blocked, the valve needs to be frequently replaced, and inconvenience exists in use.

Disclosure of Invention

The utility model aims to provide valve control equipment for thermal drainage of a coal-fired power plant, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a coal fired power plant's heating power valve accuse equipment for drainage, includes valve body and valve gap, the valve gap is installed to the valve body upper end, the inside chamber that holds that has laid of valve body, hold intracavity portion movable mounting has the floater, the admission pipe is installed to valve body one end, admission pipe internally mounted has the filter, filter one side is located and installs clearance mechanism on the admission pipe, admission pipe internally mounted has laid the inlet port, discharge pipe is installed to valve body one end, discharge pipe one end surface has laid the discharge port, floater one side is located the inside drainage pipe of having laid of valve body, drainage pipe has been laid to the inside exhaust pipe that has laid of valve gap, drainage pipe and exhaust pipe all are linked together with the discharge pipe.

Preferably, the cleaning mechanism comprises a fixed pipe, a cover plate, a push rod, a scraping plate, an elastic spring and a pressing plate, wherein the fixed pipe is arranged at the upper end of the inlet pipe, the cover plate is detachably arranged on the surface of the upper end of the fixed pipe, the upper end of the cover plate is slidably connected with the push rod through a through hole, the scraping plate is fixedly arranged at the lower end of the push rod, the pressing plate is arranged at the upper end of the push rod, and the elastic spring is arranged between the pressing plate and the cover plate.

Preferably, a discharging pipe is arranged at the lower end of the inlet pipe below the fixed pipe, and a bottom plate is detachably arranged at the bottom end of the discharging pipe.

Preferably, the cover plate and the bottom plate are respectively arranged on the fixed pipe and the discharge pipe through bolt penetrating screw holes.

Preferably, a sealing gasket is arranged on the upper end surface of the scraping plate.

Preferably, a temperature sensing diaphragm capsule is arranged in the exhaust pipeline.

Preferably, a connecting plate is arranged at one end of the inlet pipe and one end of the outlet pipe, and a plurality of mounting holes are circumferentially and penetratingly arranged on one end surface of the connecting plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. this coal-fired power plant's heating power valve accuse equipment for drainage through at admission pipe internally mounted filter, and the filter can clear up the impurity in the comdenstion water, avoids impurity in the comdenstion water to adsorb inside the valve, avoids causing the jam to the valve.

2. This coal fired power plant's heating power valve accuse equipment for drainage through setting up clearance mechanism, through pressing the clamp plate, and the clamp plate drives the push rod and moves down, and the push rod drives the scraper blade and moves down, strikes off the filter surface, and the clamp plate compresses spring simultaneously, can effectively clear up the filter surface.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

fig. 3 is an enlarged view of the utility model at a in fig. 2.

In the figure: 1. a valve body; 2. a valve cover; 3. a receiving chamber; 4. a floating ball; 5. an inlet tube; 6. a filter plate; 8. an access port; 9. a discharge pipe; 10. a discharge port; 11. a drainage pipe; 12. an exhaust duct; 13. a discharge pipe; 14. a bottom plate; 15. a bolt; 16. a sealing gasket; 17. a temperature-sensitive diaphragm capsule; 18. a connecting plate; 19. a mounting hole; 701. a fixed tube; 702. a cover plate; 703. a push rod; 704. a scraper; 705. an elastic spring; 706. and (5) pressing plates.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 3, the valve control device for thermal drainage in a coal-fired power plant according to this embodiment comprises a valve body 1 and a valve cover 2, the valve cover 2 is installed at the upper end of the valve body 1, a containing cavity 3 is arranged inside the valve body 1, a floating ball 4 is movably installed inside the containing cavity 3, the floating ball 4 can float on the water surface inside the containing cavity 3, an inlet pipe 5 is installed at one end of the valve body 1, a filter plate 6 is installed inside the inlet pipe 5, the filter plate 6 is used for filtering condensed water, a cleaning mechanism is installed on one side of the filter plate 6 on the inlet pipe 5, the cleaning mechanism is used for cleaning the filter plate 6, an inlet 8 is arranged inside the inlet pipe 5, the inlet 8 is used for introducing gas and liquid, a discharge pipe 9 is installed at one end of the valve body 1, the discharge pipe 9 is used for discharging air and condensed water inside the valve body 1, a discharge outlet 10 is arranged on one end surface of the discharge pipe 9, a drain pipe 11 is arranged inside the valve body 1 on one side of the floating ball 4, the floating ball 4 can block the drain pipe 11, the drain pipe 12 is prevented from flowing out of the steam from the drain pipe 11, an exhaust pipe 12 is arranged inside the valve cover 2, the exhaust pipe 12 is used for discharging original air inside the valve body 1, and the drain pipe 11 is connected with the drain pipe 12.

Specifically, the cleaning mechanism comprises a fixed pipe 701, a cover plate 702, a push rod 703, a scraper 704, an elastic spring 705 and a pressing plate 706, wherein the fixed pipe 701 is arranged at the upper end of the inlet pipe 5, the cover plate 702 is detachably arranged on the surface of the upper end of the fixed pipe 701, the push rod 703 is slidably connected to the upper end of the cover plate 702 through a through hole, the scraper 704 is fixedly arranged at the lower end of the push rod 703, the pressing plate 706 is arranged at the upper end of the push rod 703, the elastic spring 705 is arranged between the pressing plate 706 and the cover plate 702, the pressing plate 706 drives the push rod 703 to move downwards through pressing the pressing plate 706, the push rod 703 drives the scraper 704 to move downwards to scrape the surface of the filter plate 6, and meanwhile the pressing plate 706 compresses the elastic spring 705, so that the surface of the filter plate 6 can be cleaned effectively.

Further, a discharge pipe 13 is arranged below the fixed pipe 701 and below the inlet pipe 5, a bottom plate 14 is detachably arranged at the bottom end of the discharge pipe 13, and impurities cleaned from the surface of the filter plate 6 are discharged from the discharge pipe 13 conveniently by the bottom plate 14 being detached.

Further, the cover plate 702 and the bottom plate 14 are respectively installed on the fixing pipe 701 and the discharging pipe 13 through screw holes penetrated by the bolts 15, and the cover plate 702 and the bottom plate 14 can be detached by detaching the bolts 15, so that the surface of the scraper 704 is conveniently cleaned and impurities are discharged.

The upper end surface of the scraper 704 is provided with a sealing gasket 16, and the sealing gasket 16 ensures tightness of the interior of the valve body 1 when the scraper 704 is not cleaned.

Further, the temperature sensing diaphragm 17 is installed inside the exhaust pipeline 12, and the temperature sensing diaphragm 17 can block the exhaust pipeline 12 due to thermal expansion, so that steam is prevented from leaking from the exhaust pipeline 12.

Furthermore, a connecting plate 18 is arranged at one end of the inlet pipe 5 and one end of the outlet pipe 9, a plurality of mounting holes 19 are circumferentially distributed on one end surface of the connecting plate 18 in a penetrating manner, and the connecting plate 18 is used for connecting the inlet pipe 5, the outlet pipe 9 and the pipeline.

The application method of the embodiment is as follows: when using, the connecting plate 18 will be connected with the pipeline simultaneously, when equipment does not start, valve body 1 inside air can be with valve body 1 inside air discharge through blast pipe and discharge port 10, when the comdenstion water enters into the inside of admission pipe 5, filter plate 6 filters the comdenstion water, the inside that holds chamber 3 is got into to the comdenstion water after the filtration, along with holding the inside water of chamber 3 more and more, floater 4 begins to rise, do not block up drainage pipe 11 after the floater 4 rises, the comdenstion water is discharged through drainage pipe 11 and discharge pipe 9, along with the discharge of comdenstion water, the liquid level of comdenstion water becomes slowly become low, floater 4 blocks up drainage pipe 11 again, when comdenstion water and steam are gone into simultaneously, the bellows 17 thermal expansion, make exhaust pipe 12 block up, the unable exhaust pipe 12 of steam, along with the improvement of comdenstion water liquid level, drainage pipe 11 slowly exposes, can discharge the comdenstion water, along with the liquid level of comdenstion water reduces, floater 4 blocks up drainage pipe 11, floater 11 is all the time blocked by floater 4, make the steam unable take place to reveal, after using a period of time, need to clear up filter plate 6, then remove the clamp plate 14, the clamp plate 706 is removed, and the clamp plate is removed 706 is removed to the clamp plate is removed to the place, and the clamp plate is removed 706 is removed, and the clamp plate is removed to the compression spring is carried out, and the surface is removed, and is carried out, and is compressed down by the clamp plate is accomplished, and is 14, and is removed, and is pressed down, and is finished, and is by the surface is pressed, and is pressed down, and is pressed.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a coal fired power plant's heating power valve accuse equipment for drainage, includes valve body (1) and valve gap (2), its characterized in that: valve gap (2) are installed to valve body (1) upper end, valve body (1) inside has laid and has held chamber (3), hold chamber (3) inside movable mounting has floater (4), intake pipe (5) are installed to valve body (1) one end, intake pipe (5) internally mounted has filter (6), install clearance mechanism on intake pipe (5) are located to filter (6) one side, intake pipe (5) inside has laid inlet port (8), discharge pipe (9) are installed to valve body (1) one end, discharge port (10) have been laid on discharge pipe (9) one end surface, floater (4) one side is located valve body (1) inside and has laid drain pipe (11), exhaust pipe (12) have been laid to valve gap (2) inside, drain pipe (11) and exhaust pipe (12) are all linked together with discharge pipe (9).

2. The valve control apparatus for thermal dewatering of a coal-fired power plant according to claim 1, wherein: the cleaning mechanism comprises a fixed pipe (701), a cover plate (702), a push rod (703), a scraping plate (704), an elastic spring (705) and a pressing plate (706), wherein the fixed pipe (701) is arranged at the upper end of the inlet pipe (5) on one side of the filtering plate (6), the cover plate (702) is detachably arranged on the surface of the upper end of the fixed pipe (701), the push rod (703) is slidably connected with the upper end of the cover plate (702) through a through hole, the scraping plate (704) is fixedly arranged at the lower end of the push rod (703), the pressing plate (706) is arranged at the upper end of the push rod (703), and the elastic spring (705) is arranged between the pressing plate (706) and the cover plate (702).

3. The valve control apparatus for thermal dewatering of coal-fired power plant according to claim 2, wherein: a discharging pipe (13) is arranged at the lower end of the inlet pipe (5) below the fixed pipe (701), and a bottom plate (14) is detachably arranged at the bottom end of the discharging pipe (13).

4. A valve control apparatus for thermal dewatering of a coal-fired power plant according to claim 3, wherein: the cover plate (702) and the bottom plate (14) are respectively arranged on the fixed pipe (701) and the discharge pipe (13) through screw holes by bolts (15).

5. The valve control apparatus for thermal dewatering of coal-fired power plant according to claim 2, wherein: a sealing gasket (16) is arranged on the upper end surface of the scraping plate (704).

6. The valve control apparatus for thermal dewatering of a coal-fired power plant according to claim 1, wherein: the exhaust pipeline (12) is internally provided with a temperature sensing diaphragm capsule (17).

7. The valve control apparatus for thermal dewatering of a coal-fired power plant according to claim 1, wherein: a connecting plate (18) is arranged at one end of the inlet pipe (5) and one end of the outlet pipe (9), and a plurality of mounting holes (19) are circumferentially and penetratingly arranged on one end surface of the connecting plate (18).

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