CN212899179U - Liquid discharge device - Google Patents

Abstract

The utility model discloses a drainage device, which comprises a drainage pipe and an air inlet pipe, wherein the drainage pipe comprises a vertical pipe extending along the vertical direction and a liquid inlet part arranged at the lower end of the vertical pipe, and the liquid inlet part is provided with a water inlet opening downwards; the two ends of the air inlet pipe are respectively formed into an air inlet end and an air outlet end, the air outlet end is provided with a jet orifice, the air outlet end extends into the liquid inlet part, and the jet direction of the jet orifice faces upwards; when the compressed air is sprayed out from the spray opening, the liquid in the vertical pipe is blown into a liquid drop shape and is discharged from the liquid discharge end of the liquid discharge pipe along with the air flow. Utilize the utility model discloses, can be convenient carry out pump drainage liquid in various hydrops occasions, have low investment, low cost, safety, non-maintaining, nimble simple and convenient benefit.

Description

Liquid discharge device

Technical Field

The utility model relates to a drainage device.

Background

In each manufacturing enterprise, often need send into the high level with the liquid in low-level sump etc. discontinuously, at present, all adopt equipment such as pneumatic reciprocating pump, immersible pump, submerged pump or self priming pump, but pneumatic reciprocating pump produces phenomenons such as card is dead, gas leakage easily in the use, and when the liquid level was lower, the flowing back was comparatively difficult. The submersible pump needs special personnel to take care of operation when in use, and if the submersible pump is evacuated for a long time, the submersible pump can be overheated, and accidents can happen in flammable and explosive environments. Submerged pump is because the pump body is arranged in liquid, to corrosive liquids, need adopt corrosion-resistant alloy, and the maintenance cost of pump is higher, and the self priming pump need carry out the jar pump, can cause sometimes to be difficult to start, and when low temperature, need carry out the evacuation in order to prevent to freeze.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a drainage device, which includes a drainage tube and an air inlet tube, wherein the drainage tube includes a vertical tube extending in a vertical direction and a liquid inlet portion disposed at a lower end of the vertical tube, and the liquid inlet portion has a water inlet opening downward; the two ends of the air inlet pipe are respectively formed into an air inlet end and an air outlet end, the air outlet end is provided with a jet orifice, the air outlet end extends into the liquid inlet part, and the jet direction of the jet orifice faces upwards;

when the compressed air is sprayed out from the spray opening, the liquid in the vertical pipe is blown into a liquid drop shape and is discharged from the liquid discharge end of the liquid discharge pipe along with the air flow.

When the liquid discharging device is used, the liquid discharging device is inserted into liquid collecting tanks such as a water collecting pit, the liquid inlet part extends into liquid, then compressed air is started, the pressure of the compressed air needs to be kept at 0.4-0.6MPa, the compressed air flows along the air inlet pipe and is sprayed out from the spray opening, the compressed air sprayed out from the spray opening blows the liquid into a droplet shape, the liquid enters the vertical pipe along with air flow and is discharged, meanwhile, the surrounding liquid is rapidly supplemented into the liquid inlet part, and continuous liquid discharging is achieved.

Utilize the utility model discloses, can be convenient carry out pump drainage liquid in various hydrops occasions, simultaneously can fixed mounting in some occasions, replace self priming pump, submerged pump, accomplished low investment, low cost, safety, non-maintaining, nimble simple and convenient use.

Further, the ratio of the inner diameter of the jet orifice to the inner diameter of the vertical pipe is 1 (5-8). The liquid drop that can make the formation in this proportion can enter into vertical intraductal smoothly, and the internal diameter of vertical pipe is too little, makes the velocity of flow of air current too big, easily makes the liquid drop take place the gathering, forms big liquid drop, and the downward drippage returns to in the solution tank, and the internal diameter of vertical pipe is too big, and the velocity of air current can't drive the liquid drop rebound.

Specifically, the vertical tube has an inner diameter of 25 to 100 mm. The liquid storage amount in the sump is not too large, and the vertical pipe is in the range, so that the use of most sumps can be met.

Further, the liquid inlet part comprises a conical pipe connected to the lower end of the vertical pipe and a straight pipe part connected to the lower end of the conical pipe, and the large end of the conical pipe faces downwards; the vertical pipe, the conical pipe and the straight pipe portion are coaxially arranged, and an inlet facing downwards of the straight pipe portion is formed as a water inlet.

The straight pipe part is a short pipe, after the conical pipe is arranged, gas sprayed out of the spray opening can be diffused, the contact area of the gas to the water body can be diffused, and more water body is blown by the gas to form small liquid drops.

Further, the upper end face of the injection port is located at 1/3-2/3 of the straight tube portion in the vertical direction. When the upper end face of the jet orifice is positioned in the middle position of the branch pipe part, the flow velocity of the air flow is increased after the formed small liquid drops enter the vertical pipe along with the air flow, and the produced small liquid drops can be smoothly driven upwards and discharged.

Further, the height of the straight tube portion is 80-150% of the inner diameter of the straight tube portion. Under the above restriction, the air flow can be made to smoothly bring the liquid droplets into the vertical pipe.

Further, the straight pipe portion is provided coaxially with the exhaust end of the intake pipe. The design can make the air flow disperse uniformly to the periphery when the air flow is discharged from the jet orifice, and when the jet orifice deviates to one side, vortex is easy to generate, which causes overlarge air flow pressure loss.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

Referring to fig. 1, a liquid discharge apparatus includes a liquid discharge pipe 10 and an air inlet pipe 20, the liquid discharge pipe 10 includes a vertical pipe 11 extending in a vertical direction and a liquid inlet portion 18 provided at a lower end of the vertical pipe 11, the liquid inlet portion 18 includes a tapered pipe 12 connected to a lower end of the vertical pipe 11 and a straight pipe portion 13 connected to a lower end of the tapered pipe 12, and a large end of the tapered pipe 12 faces downward. The vertical tube 11, the tapered tube 12 and the straight tube portion 13 are coaxially arranged, wherein the straight tube portion is a short tube. The downwardly directed inlet of the straight pipe portion is formed as a water inlet 16, i.e. the liquid inlet portion has a downwardly open water inlet. The direct hanging part is a short pipe. The vertical pipe 11 is connected with the intake pipe connection block 31.

The intake pipe 20 includes a pneumatic pipe 25 and an injection pipe 26 connected to the pneumatic pipe, one end of the pneumatic pipe remote from the injection pipe is formed as an intake end 21, one end of the injection pipe remote from the pneumatic pipe is formed as an exhaust end 22, and the exhaust end 22 is provided with an injection port 23, and the injection pipe is bent upward such that the exhaust end extends into the liquid inlet portion and the injection direction of the injection port is directed upward. The straight pipe part and the exhaust end of the air inlet pipe are coaxially arranged.

The upper end face of the injection port is located at 1/2 of the straight tube portion in the vertical direction. In the present embodiment, the height of the straight tube portion is 100% of the inner diameter of the straight tube portion, that is, the height of the straight tube portion is equal to the inner diameter of the straight tube portion.

In this embodiment, the inner diameter of the vertical tube is 40mm, and the ratio of the inner diameter of the ejection port to the inner diameter of the vertical tube is 1: 5. It is understood that in other embodiments, the inner diameter of the vertical tube may also be 25mm, 50mm, 65mm, 80mm, or 100mm, with the ratio of the inner diameter of the jet to the inner diameter of the vertical tube being 1:6, 1:7, or 1: 8. When the inner diameter of the vertical pipe is large, the air pressure of the compressed air is preferably high, and when the ratio of the inner diameter of the jet port to the inner diameter of the vertical pipe is limited downward, the air pressure of the compressed air is also preferably high.

When the liquid discharge device is used, the liquid discharge device is inserted into the liquid 100, compressed air is started, the compressed air flows along the air inlet pipe and is sprayed out from the spray opening, the liquid in the vertical pipe is blown into a liquid drop shape and is discharged from the liquid discharge pipe along with air flow, meanwhile, negative pressure is formed in the area of the water inlet, and the liquid is continuously supplemented into the liquid discharge pipe and is continuously discharged.

In order to facilitate the liquid to be sent into the corresponding area, a water outlet pipe 19 is welded at the top of the vertical pipe 11, the inner diameter of the water outlet pipe is the same as that of the vertical pipe, and in order to avoid the influence on the water outlet, the inner diameter of the water outlet pipe is not smaller than that of the vertical pipe.

Claims (7)

1. A liquid discharge device is characterized by comprising a liquid discharge pipe and an air inlet pipe, wherein the liquid discharge pipe comprises a vertical pipe extending along the vertical direction and a liquid inlet part arranged at the lower end of the vertical pipe, and the liquid inlet part is provided with a water inlet opening downwards; the two ends of the air inlet pipe are respectively formed into an air inlet end and an air outlet end, the air outlet end is provided with a jet orifice, the air outlet end extends into the liquid inlet part, and the jet direction of the jet orifice faces upwards;

when the compressed air is sprayed out from the spray opening, the liquid in the vertical pipe is blown into a liquid drop shape and is discharged from the liquid discharge end of the liquid discharge pipe along with the air flow.

2. The drain device according to claim 1, wherein the ratio of the inner diameter of the jet port to the inner diameter of the vertical pipe is 1 (5-8).

3. The drain of claim 1, wherein the vertical tube has an inner diameter of 25-100 mm.

4. The drain device according to claim 1, wherein the liquid inlet portion includes a tapered pipe connected to a lower end of the vertical pipe and a straight pipe portion connected to a lower end of the tapered pipe, a large end of the tapered pipe being directed downward; the vertical pipe, the conical pipe and the straight pipe portion are coaxially arranged, and an inlet facing downwards of the straight pipe portion is formed as a water inlet.

5. The drain of claim 4, wherein the upper end face of the jet opening is located at 1/3-2/3 of the straight pipe portion in the vertical direction.

6. The drain of claim 4, wherein the height of the straight tube portion is 80-150% of the inner diameter of the straight tube portion.

7. The drain device according to claim 4, wherein the straight tube portion is provided coaxially with the discharge end of the inlet pipe.

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