CN215114036U

CN215114036U - Anti-freezing air cooling island condensed water return valve

Info

Publication number: CN215114036U
Application number: CN202121059924.0U
Authority: CN
Inventors: 杨春龙; 绕闪光
Original assignee: Shihezi Tianrui Energy Co ltd
Current assignee: Shihezi Tianrui Energy Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-12-10
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses an anti-freezing air cooling island condensate water return valve, which comprises an air cooling island, a return water pipe, a return water valve and an air cooling island condensate water return header, wherein two ends of the return water pipe are respectively connected with the air cooling island and the air cooling island condensate water return header, the return water valve is arranged on the return water pipe, the return water valve is arranged on the vertical section of the return water pipe, the return water valve is positioned at the upper end of the air cooling island condensate water return header, the utility model discloses an air cooling island, the return water pipe, the return water valve and the air cooling island condensate water return header are arranged, two ends of the return water pipe are respectively connected with the air cooling island and the air cooling island condensate water return header, the return water valve is arranged on the return water pipe for controlling return water of the return water pipe, the return water valve is positioned on the vertical section of the return water pipe, thereby facilitating the outflow of media in the valve and the pipe, so that the medium freezes in the valve and the valve is rendered inoperable.

Description

Anti-freezing air cooling island condensed water return valve

Technical Field

The utility model relates to a thermal power generation technical field, concrete field is a type air cooling island condensate water return valve prevents frostbite.

Background

The so-called air cooling island is actually a visual name for the air cooling device of the power plant, mainly comprises 56 fans and has the function of cooling high-temperature steam.

Air coolers, referred to as air coolers, use air as a coolant, either as a cooler or as a condenser. The air cooler mainly comprises a tube bundle, a bracket and a fan. The air cooler hot fluid flows inside the tubes and the air is blown outside the tube bundle.

The air cooler can be divided into a power plant air cooler and a petrochemical air cooler according to different use occasions. According to the cooling mode, the air cooler can be divided into a dry type air cooler, a wet type air cooler and a dry-wet combined type air cooler.

The air (wind) cooler is mainly used for walking machinery (such as excavators, loading and unloading machines, forklifts, cranes, combine harvesters, road building machinery and engineering machinery) and is used for forcibly cooling a working medium to a required temperature by air cooling.

The air cooler can save a large amount of industrial water, reduce environmental pollution and reduce capital cost. Especially in the water-deficient area, air cooling is used for replacing water cooling, so that the contradiction of insufficient water source can be alleviated.

At present, air cooling units are mostly adopted in modern large generator sets in China. The air cooling island condensed water return valve is low in environmental temperature in Xinjiang in winter, the unit is inevitably started or stopped in winter, the air cooling island condensed water return valve is often frozen, and normal operation cannot be achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a type air cooling island condensate return valve prevents frostbite to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-freezing type air cooling island condensate return valve, includes air cooling island, return water pipe, wet return to and air cooling island condensate return header, return water pipe's both ends respectively with the air cooling island and the air cooling island condensate return header is connected, the wet return sets up on the return water pipe, the wet return sets up on the vertical segment of return water pipe, just the wet return is located the upper end of air cooling island condensate return header.

Preferably, the backwater valve comprises a body, the body is cylindrical, two ends of the body are respectively in an open shape, a limiting ring is fixedly connected to the inner surface of the upper end of the body, the limiting ring and the body are coaxially arranged, a sleeve is arranged inside the body and coaxially arranged with the body, the sleeve and the body are fixedly connected through a plurality of connecting rods, a movable rod is arranged on the inner surface of the sleeve, one end of the movable rod, which is correspondingly close to the limiting ring, is fixedly connected with a plug, the movable rod comprises a first rod piece and a second rod piece, the first rod piece is connected with the sleeve, a movable groove is coaxially arranged at one end of the first rod piece, which is close to the limiting ring, a movable block is arranged on the inner surface of the movable groove in a sliding manner, a spring is arranged between the movable block and the movable groove, and a baffle ring is fixedly connected to the outer surface of one end of the first rod piece, which is close to the limiting ring, the second rod piece penetrates through the baffle ring to be fixedly connected with the movable block, and the plug is fixedly connected with the second rod piece.

Preferably, a sliding groove is formed in the outer surface of the first rod piece in sliding connection with the sleeve, and a sliding block is fixedly connected to the inner surface of the sleeve corresponding to the sliding groove.

Preferably, the sheathed tube one end is rotated and is connected with the rotation lantern ring, rotate the lantern ring with the coaxial setting of sleeve pipe, the surface of first member is equipped with the external screw thread, the internal surface of rotating the lantern ring be equipped with first member matched with internal thread, the outer fixed surface of rotating the lantern ring is connected with first bevel gear, the lateral wall of main part runs through and is equipped with the pivot, the one end fixedly connected with of pivot with first bevel gear meshing's second bevel gear, the other end fixedly connected with adjustment handle of pivot.

Preferably, a stopper is fixedly connected to the outer surface of the second rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an anti-freezing type air cooling island condensate water return valve, is through setting up air cooling island, return water pipe, return water valve to and air cooling island condensate water return header, return water pipe's both ends are connected with air cooling island and air cooling island condensate water return header respectively, and the return water valve sets up be used for controlling the return water pipe return water on the return water pipe, wherein the return water valve is located the return water pipe vertical segment, and then the medium in valve and the pipeline of being convenient for flows out to the medium freezes in the valve and leads to the unable work of valve.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the front view cross-sectional structure of the present invention;

fig. 3 is a schematic bottom sectional view of the present invention.

In the figure: 1-body, 2-limit ring, 3-sleeve, 4-plug, 5-first rod piece, 6-second rod piece, 7-movable groove, 8-movable block, 9-spring, 10-baffle ring, 11-sliding groove, 12-sliding block, 13-rotating lantern ring, 14-first bevel gear, 15-rotating shaft, 16-second bevel gear, 17-adjusting handle and 18-stop block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the two ends of the water return pipe are respectively connected with the air cooling island and the air cooling island condensed water return header, the water return valve is arranged on the water return pipe, the water return valve is arranged on the vertical section of the water return pipe and is positioned at the upper end of the air cooling island condensed water return header, the vertically arranged water return valve enables internal media to flow out conveniently, the media cannot be left on the water return valve without being frozen, and meanwhile, the water return valve is arranged at the upper end of the air cooling island condensed water return header, so that the media can be melted under the heat generated by the operation of the air cooling island condensed water return header even if the media are slightly frozen.

Specifically, the water return valve comprises a body 1, the body 1 is cylindrical, two ends of the body 1 are respectively open, a limiting ring 2 is fixedly connected to the inner surface of the upper end of the body 1, the limiting ring 2 and the body 1 are coaxially arranged, a sleeve 3 is arranged inside the body 1, the sleeve 3 and the body 1 are coaxially arranged, the sleeve 3 and the body 1 are fixedly connected through a plurality of connecting rods, as shown in fig. 3, the number of the connecting rods is three, a movable rod is arranged on the inner surface of the sleeve 3, a plug 4 is fixedly connected to one end of the movable rod, which is correspondingly close to the limiting ring 2, the plug 4 is matched with the limiting ring 2, the movable rod comprises a first rod piece 5 and a second rod piece 6, the first rod piece 5 is connected with the sleeve 3, a movable groove 7 is coaxially arranged at one end of the first rod piece 5, which is close to the limiting ring 2, the activity groove 7 is cylindrically, just the activity groove 7 with the coaxial setting of first member 5, the internal surface slip of activity groove 7 is equipped with movable block 8, movable block 8 with be equipped with spring 9 between the activity groove 7, spring 9 makes movable block 8 is located and is close to the one end of spacing ring 2, first member 5 is close to the outer fixed surface of one end of spacing ring 2 is connected with and keeps off ring 10, makes the unable roll-off activity groove 7 of movable block 8, second member 6 passes keep off ring 10 with 8 fixed connection of movable block, end cap 4 with fixed connection between the second member 6 to the medium can be flowed in by 1 upper end of main part, and in-process spring 9 is compressed, and the medium can't be flowed in by 1 lower extreme to the upper end of main part.

Specifically, the first rod 5 is slidably connected with the sleeve 3, a sliding groove 11 is formed in the outer surface of the first rod 5, a sliding block 12 is fixedly connected to the inner surface of the sleeve 3 corresponding to the sliding groove 11, and the sliding groove 11 and the sliding block 12 are matched to prevent the first rod 5 from rotating relative to the sleeve 3.

Specifically, one end of the sleeve 3 is rotatably connected with a rotating sleeve 13, the rotating sleeve 13 and the sleeve 3 are coaxially arranged, the outer surface of the first rod 5 is provided with an external thread, the inner surface of the rotating sleeve 13 is provided with an internal thread matched with the first rod 5, the outer surface of the rotating sleeve 13 is fixedly connected with a first bevel gear 14, the side wall of the main body 1 is provided with a rotating shaft 15 in a penetrating manner, one end of the rotating shaft 15 is fixedly connected with a second bevel gear 16 meshed with the first bevel gear 14, the other end of the rotating shaft 15 is fixedly connected with an adjusting handle 17, the second bevel gear 16 can be driven to rotate by rotating the adjusting handle 17, the second bevel gear 16 drives the first bevel gear 14 to rotate, so as to drive the rotating sleeve 13 to rotate, so as to drive the first rod 5 to move, so as to adjust the stress between the plug 4 and the limit ring 2, and when the first rod 5 moves towards the side far away from the limit ring 2, the plug 4 is driven to be completely separated from the limiting ring 2, so that the water return valve is completely opened, the medium can completely flow out under the action of gravity, and the medium is prevented from being frozen.

Specifically, the outer surface of the second rod 6 is fixedly connected with a stop block 18, and when the first rod 5 is controlled to move towards one end of the limit ring 2, the plug 4 tightly abuts against the limit ring 2 after the first rod 5 contacts the stop block 18, so that the valve can be completely closed.

The working principle is as follows: the utility model discloses during the use, rotatory adjustment handle 17 can drive second bevel gear 16 and rotate, second bevel gear 16 drives first bevel gear 14 and rotates, thereby it rotates to drive the rotation lantern ring 13, it removes to drive first member 5, thereby adjust the stress between end cap 4 and the spacing ring 2, and when first member 5 moves towards one side of keeping away from spacing ring 2, it breaks away from with spacing ring 2 completely to drive end cap 4, thereby make the wet return valve open completely, the medium can flow completely under the action of gravity, prevent to be frozen, the external fixed surface of second member 6 is connected with dog 18, when controlling first member 5 and moving towards the one end of spacing ring 2, make first member 5 and dog 18 contact after, end cap 4 tightly supports on spacing ring 2, thereby can close the valve completely.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-freezing type air cooling island condensate return valve, includes air cooling island, return water pipe, wet return to and air cooling island condensate return header, return water pipe's both ends respectively with the air cooling island and the air cooling island condensate return header is connected, the wet return sets up on the return water pipe, its characterized in that: the water return valve is arranged on the vertical section of the water return pipeline, and the water return valve is positioned at the upper end of the air cooling island condensed water return header.

2. The anti-freezing air cooling island condensed water return valve according to claim 1, characterized in that: the water return valve comprises a body (1), the body (1) is cylindrical, two ends of the body (1) are respectively open, a limiting ring (2) is fixedly connected to the inner surface of the upper end of the body (1), the limiting ring (2) and the body (1) are coaxially arranged, a sleeve (3) is arranged inside the body (1), the sleeve (3) and the body (1) are coaxially arranged, the sleeve (3) and the body (1) are fixedly connected through a plurality of connecting rods, a movable rod is arranged on the inner surface of the sleeve (3), the movable rod is correspondingly close to one end of the limiting ring (2) and fixedly connected with a plug (4), the movable rod comprises a first rod piece (5) and a second rod piece (6), the first rod piece (5) and the sleeve (3) are connected, a movable groove (7) is coaxially arranged at one end of the first rod piece (5) close to the limiting ring (2), the internal surface of activity groove (7) slides and is equipped with movable block (8), movable block (8) with be equipped with spring (9) between activity groove (7), first member (5) are close to the outer fixed surface in one end of spacing ring (2) is connected with and keeps off ring (10), second member (6) pass keep off ring (10) with movable block (8) fixed connection, end cap (4) with fixed connection between second member (6).

3. The anti-freezing air cooling island condensed water return valve according to claim 2, characterized in that: the first rod piece (5) is connected with the sleeve (3) in a sliding mode, a sliding groove (11) is formed in the outer surface of the first rod piece (5), and a sliding block (12) is fixedly connected to the inner surface of the sleeve (3) corresponding to the sliding groove (11).

4. The anti-freezing air cooling island condensed water return valve according to claim 3, characterized in that: the one end of sleeve pipe (3) is rotated and is connected with and rotates the lantern ring (13), rotate the lantern ring (13) with the coaxial setting of sleeve pipe (3), the surface of first member (5) is equipped with the external screw thread, the internal surface of rotating the lantern ring (13) be equipped with first member (5) matched with internal thread, the first bevel gear (14) of the outer fixed surface of rotating the lantern ring (13) is connected with, the lateral wall of body (1) runs through and is equipped with pivot (15), the one end fixedly connected with of pivot (15) with second bevel gear (16) of first bevel gear (14) meshing, the other end fixedly connected with adjustment handle (17) of pivot (15).

5. The anti-freezing air cooling island condensed water return valve according to claim 4, characterized in that: the outer surface of the second rod piece (6) is fixedly connected with a stop block (18).