CN219692927U - Device for preventing pipeline condensate water from flowing back - Google Patents

Abstract

The utility model discloses a device for preventing pipeline condensate water from reflowing, which comprises a bent pipe and straight pipes arranged at two ends of the bent pipe, wherein the bottom of the bent pipe is fixedly connected with a connecting pipe communicated with the bent pipe, the bottom end of the connecting pipe is fixedly connected with a water receiving tank communicated with the connecting pipe, one side of the top of the water receiving tank is provided with a lifting assembly, one side of the lifting assembly extending into the water receiving tank is provided with a fixed rod, the top end of the fixed rod is connected with a sealing plug sleeved in the connecting pipe, the left side of the top of the water receiving tank is provided with a fixed frame, the fixed frame is provided with a proximity switch, a contact assembly is arranged below the proximity switch, and one side of the fixed frame is provided with a PLC. The utility model not only is convenient for collecting the condensed water in the pipeline and avoiding the reflux of the condensed water accumulated in the pipeline, but also can automatically discharge when the water quantity is more, and does not need to discharge at any time.

Description

Device for preventing pipeline condensate water from flowing back

Technical Field

The utility model belongs to the technical field of pipeline backflow, and particularly relates to a device for preventing pipeline condensate water from flowing back.

Background

The pipeline is a device for conveying gas, liquid or fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like, and normally, after the fluid is pressurized by a blower, a compressor, a pump, a boiler and the like, the fluid flows from a high pressure position to a low pressure position of the pipeline, and can also be conveyed by utilizing the pressure or gravity of the fluid, so that the pipeline has wide application range and is mainly used in various industrial devices such as water supply, water drainage, heat supply, gas supply and the like.

However, in the using process of the pipeline, condensed water may be generated according to the using environment, once the condensed water is accumulated too much, a backflow phenomenon can occur, and the condensed water flows to the ground or into the equipment, so that the safe use of the equipment is not facilitated.

Disclosure of Invention

In order to solve the above problems, an object of the present utility model is to provide a device for preventing backflow of condensed water in a pipe.

In order to achieve the above purpose, the utility model provides a device for preventing backflow of pipeline condensate water, which comprises a bent pipe and straight pipes arranged at two ends of the bent pipe, wherein the bottom of the bent pipe is fixedly connected with a connecting pipe communicated with the bent pipe, the bottom end of the connecting pipe is fixedly connected with a water receiving tank communicated with the connecting pipe, one side of the top of the water receiving tank is provided with a lifting assembly, one side of the lifting assembly extending into the water receiving tank is provided with a fixed rod, the top end of the fixed rod is connected with a sealing plug sleeved in the connecting pipe, the left side of the top of the water receiving tank is provided with a fixed frame, the fixed frame is provided with a proximity switch, the lower part of the proximity switch is provided with a contact assembly, and one side of the fixed frame is provided with a PLC.

Preferably, the lifting assembly comprises a push rod motor fixedly connected to the top of the water receiving tank, an output shaft of the push rod motor is fixedly connected with a movable plate, and the bottom end of the fixed rod is fixedly connected with the movable plate.

Preferably, the contact assembly comprises a floating plate, wherein the top of the floating plate is fixedly connected with a lifting rod, and the top end of the lifting rod is provided with a top contact plate.

Preferably, a water outlet hole is formed in one side of the bottom of the water receiving tank, a water drain pipe is fixedly sleeved in the water outlet hole, a water drain valve is arranged on the water drain pipe, and the PLC controls the water drain valve to work.

Preferably, a vent hole is formed in one side of the top of the water receiving tank, and the lifting rod movably penetrates through the vent hole.

Preferably, two support rods are fixedly connected between the two sides of the top of the water receiving tank and the bent pipe.

The device for preventing the pipeline condensate water from flowing back has the following beneficial effects: can control the sealing plug through lifting unit and rise, make things convenient for the comdenstion water backward flow in the return bend to collect in receiving the water tank like this, avoid the comdenstion water to stay and take place backward flow in the return bend, and the water level in the water tank can be close to proximity switch through contact module, thereby make proximity switch triggered, and then open through PLC control drain valve and drain, this scheme simple structure, novel in design, not only conveniently collect the comdenstion water in the pipeline, avoid the comdenstion water to stay to take place backward flow in the pipeline, automatic discharge moreover when the water yield is more, need not discharge constantly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model.

In the drawings:

fig. 1 is a schematic front view of a device for preventing backflow of condensed water in a pipeline according to the present utility model.

Fig. 2 is a schematic side view of a device for preventing backflow of condensed water in a pipeline according to the present utility model.

Fig. 3 is a schematic cross-sectional view of a device for preventing backflow of condensed water in a pipeline according to the present utility model.

Fig. 4 is a schematic perspective view of a device for preventing backflow of condensed water in a pipeline according to the present utility model.

In the figure: 1 straight pipe, 2 bent pipe, 3 connecting pipe, 4 water receiving tank, 5 push rod motor, 6 fly leaf, 7 dead lever, 8 sealing plug, 9 floating plate, 10 lifter, 11 top touch plate, 12 fixed frame, 13 proximity switch, 14PLC, 15 drain pipe, 16 bracing piece.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore 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 a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the description with reference to the terms "one aspect," "some aspects," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily for the same scheme or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 4, the embodiment of the utility model provides a device for preventing backflow of pipeline condensate water, which comprises a bent pipe 2 and straight pipes 1 arranged at two ends of the bent pipe 2, wherein the bottom of the bent pipe 2 is fixedly connected with a connecting pipe 3 communicated with the bent pipe, the bottom end of the connecting pipe 3 is fixedly connected with a water receiving tank 4 communicated with the connecting pipe, one side of the top of the water receiving tank 4 is provided with a lifting component, one side of the lifting component extending into the water receiving tank 4 is provided with a fixing rod 7, the top end of the fixing rod 7 is connected with a sealing plug 8 sleeved in the connecting pipe 3, the left side of the top of the water receiving tank 4 is provided with a fixing frame 12, a proximity switch 13 is arranged on the fixing frame 12, a contact component is arranged below the proximity switch 13, one side of the fixing frame 12 is provided with a PLC14, the lifting component can be controlled by the PLC14, so that the lifting component drives the fixing rod 7 and the sealing plug 8 to be lifted, condensate water in the bent pipe 2 can conveniently flow into the water receiving tank 4 to be collected, the water receiving tank 4 is lifted to enable the contact component to be close to the proximity switch 13, and the proximity switch 13 enables the PLC14 to control the drain valve to be opened for drainage.

As shown in fig. 3, the lifting assembly comprises a push rod motor 5 fixedly connected to the top of the water receiving tank 4, an output shaft of the push rod motor 5 is fixedly connected with a movable plate 6, the bottom end of a fixed rod 7 is fixedly connected with the movable plate 6, and the push rod motor 5 can drive the movable plate 6 to lift.

As shown in fig. 3, the contact assembly comprises a floating plate 9, the top of the floating plate 9 is fixedly connected with a lifting rod 10, the top end of the lifting rod 10 is provided with a top contact plate 11, the floating plate 9 is lifted along with the water level, and thus the floating plate 9 can drive the top contact plate 11 to lift through the lifting rod 10.

As shown in fig. 1, a water outlet hole is formed in one side of the bottom of the water receiving tank 4, a water drain pipe 15 is fixedly sleeved in the water outlet hole, a water drain valve is arranged on the water drain pipe 15, and the PLC14 controls the water drain valve to work.

As shown in fig. 4, a vent hole is opened at one side of the top of the water receiving tank 4, and the lifting rod 10 movably penetrates through the vent hole.

As shown in fig. 1, two support rods 16 are fixedly connected between the two sides of the top of the water receiving tank 4 and the bent pipe 2.

Working principle: the condensed water generated in the straight pipe 1 and the bent pipe 2 is concentrated into the bent pipe 2 firstly, at the moment, the PLC14 controls the push rod motor 5 to work, the push rod motor 5 drives the movable plate 6 to lift, the movable plate 6 drives the sealing plug 8 to lift through the fixed rod 7, the condensed water in the bent pipe 2 flows into the water receiving tank 4 through the connecting pipe 3 to be collected, the push rod motor 5 drives the sealing plug 8 to move downwards to seal again, when the condensed water is continuously collected in the water receiving tank 4, the water level rises to drive the floating plate 9 to rise synchronously, the floating plate 9 drives the top contact plate 11 to be close to the proximity switch 13 through the lifting rod 10, when the water level is higher, the top contact plate 11 is in contact with the proximity switch 13 to trigger the work, the proximity switch 13 transmits a signal to the PLC14, at the moment, the PLC14 controls the drain valve on the drain pipe 15 to be opened continuously for 5 minutes to enable the water in the water receiving tank 4 to be completely discharged, and then the drain valve is controlled to be closed, and the water receiving tank 4 can be reused.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (6)

1. The utility model provides a prevent pipeline comdenstion water reflux unit, includes return bend (2) and sets up straight tube (1) at return bend (2) both ends, a serial communication port, bottom fixedly connected with of return bend (2) is with connecting pipe (3) of its intercommunication, the bottom fixedly connected with of connecting pipe (3) is with water receiving tank (4) of its intercommunication, top one side of water receiving tank (4) is equipped with lifting unit, lifting unit stretches into one side that water receiving tank (4) is inside and is equipped with dead lever (7), the top of dead lever (7) is connected with the cover and establishes sealing plug (8) inside connecting pipe (3), the top left side of water receiving tank (4) is equipped with fixed frame (12), be equipped with proximity switch (13) on fixed frame (12), the below of proximity switch (13) is equipped with contact assembly, one side of fixed frame (12) is equipped with PLC (14).

2. The device for preventing backflow of pipeline condensate water according to claim 1, wherein the lifting assembly comprises a push rod motor (5) fixedly connected to the top of the water receiving tank (4), an output shaft of the push rod motor (5) is fixedly connected with a movable plate (6), and the bottom end of the fixed rod (7) is fixedly connected with the movable plate (6).

3. The device for preventing backflow of pipeline condensate water according to claim 1, wherein the contact assembly comprises a floating plate (9), a lifting rod (10) is fixedly connected to the top of the floating plate (9), and a top contact plate (11) is arranged at the top end of the lifting rod (10).

4. The device for preventing backflow of pipeline condensate water according to claim 1, wherein a water outlet hole is formed in one side of the bottom of the water receiving tank (4), a water drain pipe (15) is fixedly sleeved in the water outlet hole, a water drain valve is arranged on the water drain pipe (15), and the PLC (14) controls the water drain valve to work.

5. A device for preventing backflow of pipeline condensate water according to claim 3, wherein the water receiving tank (4) is provided with a vent hole at one side at the top, and the lifting rod (10) is movably penetrated through the vent hole.

6. The device for preventing the backflow of the pipeline condensate water according to claim 1, wherein two support rods (16) are fixedly connected between two sides of the top of the water receiving tank (4) and the bent pipe (2).