CN221254391U - Vacuum water absorbing device - Google Patents

Abstract

The utility model relates to a vacuum water absorbing device which comprises a steam-water separator, a 45-degree check valve and a vacuum pump, wherein a feed inlet of the steam-water separator is used for being communicated with a water outlet of a liquid discharge pipe, a liquid discharge port of the steam-water separator is communicated with the feed inlet of the 45-degree check valve, and an exhaust port of the steam-water separator is communicated with an air inlet of the vacuum pump. The needle can timely discharge the filtrate generated in the filter pressing process of the sludge filter press, and the technical problem that the water content of the sludge cake is increased due to the fact that the filtrate flows back to the sludge cake is solved.

Description

Vacuum water absorbing device

Technical Field

The utility model relates to the technical field of vacuum equipment, in particular to a vacuum water absorbing device.

Background

Referring to fig. 3, when the sludge is press-filtered by the upper and lower molds 1 and 2 of the sludge press filter, the filtrate flows into the drain pipe 11 through the cavity of the upper mold 1, and when discharged through the drain pipe 11, the filtrate in the cavity of the upper mold 1 cannot be sufficiently discharged because the water outlet of the drain pipe 11 is upward and higher than the cavity of the upper mold 1, resulting in a high level difference; wherein, the inner cavity of the upper die 1 is also communicated with an air inlet pipe 12.

When the upper die 1 and the lower die 2 are demoulded, mud blocks fall off, filtrate in the inner cavity of the upper die 1 flows back on the pressed mud cake due to the action of pressure difference and dead weight, so that the water content of the mud cake rises by about 3%, and the filter pressing effect is poor.

Disclosure of utility model

The utility model provides a vacuum water absorbing device which can timely discharge filtrate generated in a filter pressing process of a sludge filter press and improve the technical problem that the water content of a mud cake is increased due to the fact that the filtrate flows back to the mud cake.

The technical scheme for solving the technical problems is as follows:

The utility model provides a vacuum water absorbing device, includes vapour-water separator, 45 check valve and vacuum pump, vapour-water separator's feed inlet is used for the delivery port of intercommunication fluid-discharge tube, vapour-water separator's fluid-discharge port communicate in 45 check valve's feed inlet, vapour-water separator's gas vent communicate in the air inlet of vacuum pump.

The beneficial effects of the utility model are as follows: when sludge pressing is carried out, the 45-degree check valve is in a closed state, vacuum is kept in the steam-water separator under the action of the vacuum pump, filtrate in the inner cavity of the upper die is sucked into the steam-water separator through the liquid discharge pipe, and when the weight of water in the steam-water separator is greater than the valve plate gravity and the vacuum adsorption force of the 45-degree check valve, the 45-degree check valve is opened, so that the filtrate is automatically discharged; when the sludge is demolded, the vacuum pump is closed, air enters the cavity of the upper die through the air inlet pipe, the sludge naturally drops under the action of gravity, and filtrate does not exist in the inner cavity of the upper die 1 at the moment; in the whole process, gas is discharged through a vacuum pump, so that filtrate generated in the filter pressing process of the sludge filter press is discharged in time, and the technical problem that the water content of a mud cake rises due to the fact that the filtrate flows back to the mud cake is solved.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the steam-water separator comprises a shell, a liquid inlet pipe, a liquid outlet pipe and an air outlet pipe, wherein one end of the liquid inlet pipe is communicated with the side wall of the shell, one end of the liquid outlet pipe is communicated with the lower end of the shell, one end of the liquid outlet pipe is communicated with the upper end of the shell, the other end of the liquid inlet pipe is used for communicating the water outlet of the liquid outlet pipe, and the other end of the liquid outlet pipe is communicated with the feed inlet of the 45-degree check valve; the other end of the air outlet pipe is communicated with an air inlet of the vacuum pump.

The beneficial effects of adopting the further scheme are as follows: when the sludge is pressed, the air-water mixture is discharged into the shell through the liquid inlet pipe for separation, the formed filtrate is discharged to the 45-degree check valve from the liquid outlet pipe, and the gas is discharged to the vacuum pump through the gas outlet pipe.

Further, the middle part of casing is connected with the filter plate that is located the casing, a plurality of filtration pores have been seted up on the filter plate, the one end of feed liquor pipe communicate in the space of filter plate downside.

The beneficial effects of adopting the further scheme are as follows: when the gas-water mixed liquid is separated by the steam-water separator, the filter plate forms a barrier for ascending liquid, and gas is discharged from the filter holes.

Further, one end of the liquid inlet pipe stretches into the shell and is bent to be in a U shape with a downward opening, the bent end is located above the filter plate and higher than the other end of the liquid inlet pipe, and the open end is located below the filter plate.

The beneficial effects of adopting the further scheme are as follows: so as to slow down the speed of the gas-water mixture entering the shell through the liquid inlet pipe and prepare for downstream gas-water separation in the shell.

Further, the filter plate is in a funnel shape with a concave middle end, and the middle end is provided with a liquid leakage hole.

The beneficial effects of adopting the further scheme are as follows: so as to drain down the liquid condensed on the filter plate through the liquid leakage holes.

Further, the feed inlet of the steam-water separator is communicated with a first pipeline, one end of the first pipeline is communicated with the feed inlet of the steam-water separator, and the other end of the first pipeline is used for being communicated with the water outlet of the liquid discharge pipe.

The beneficial effects of adopting the further scheme are as follows: so that the air-water mixture discharged from the liquid discharge pipe is smoothly discharged into the steam-water separator through the first pipeline.

Further, the liquid outlet of the steam-water separator is communicated with a second pipeline, and the 45-degree check valve is arranged on the second pipeline.

The beneficial effects of adopting the further scheme are as follows: so that the filtrate in the steam-water separator is smoothly discharged out of the 45-degree check valve through the second pipeline.

Further, one end of the second pipeline, which is communicated with the liquid outlet of the steam-water separator, is connected with a movable joint, and the second pipeline is communicated with the liquid outlet of the steam-water separator through the movable joint.

The beneficial effects of adopting the further scheme are as follows: the second pipeline is communicated with the steam-water separator through the movable joint, so that the second pipeline is convenient to disassemble, assemble and maintain.

Further, the exhaust port of the steam-water separator is communicated with a third pipeline, and two ends of the third pipeline are respectively communicated with the exhaust port of the steam-water separator and the air inlet of the vacuum pump.

The beneficial effects of adopting the further scheme are as follows: the gas in the steam-water separator is smoothly discharged to the vacuum pump through the third pipeline and is further discharged.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is a cross-sectional view of the steam-water separator of the present utility model;

Fig. 3 is an isometric view of the prior art.

In the drawings, the list of components represented by the various numbers is as follows:

1. an upper die; 11. a liquid discharge pipe; 12. an air inlet pipe;

2. A lower die;

3. A steam-water separator; 31. a housing; 32. a liquid inlet pipe; 33. a liquid outlet pipe; 34. an air outlet pipe; 35. a filter plate; 351. a weeping hole;

4. a 45 ° check valve;

5. a vacuum pump;

6. A first pipe;

7. a second pipe; 71. a movable joint;

8. And a third pipeline.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Example 1

Referring to fig. 1 and 2, a vacuum water absorbing device includes a vapor-water separator 3, a 45 ° check valve 4 and a vacuum pump 5, wherein a feed inlet of the vapor-water separator 3 is used for communicating with a water outlet of a liquid discharge pipe 11, a liquid discharge port of the vapor-water separator 3 is communicated with a feed inlet of the 45 ° check valve 4, and an exhaust port of the vapor-water separator 3 is communicated with an air inlet of the vacuum pump 5.

The beneficial effects of this embodiment are: when sludge pressing is carried out, the 45-degree check valve 4 is in a closed state, vacuum is kept in the steam-water separator 3 under the action of the vacuum pump 5, filtrate in the inner cavity of the upper die 1 is sucked into the steam-water separator 3 through the liquid discharge pipe 11, when the weight of water in the steam-water separator 3 is greater than the valve plate gravity and the vacuum adsorption force of the 45-degree check valve 4, the 45-degree check valve 4 is opened, the filtrate is automatically discharged, and the filtrate is completely discharged before the vacuum pump 5 and does not enter the vacuum pump 5, so that corrosion to the vacuum pump 5 is avoided; when the sludge is demolded, the vacuum pump 5 is closed, air enters the cavity of the upper die 1 through the air inlet pipe 12, the sludge naturally drops under the action of gravity, and filtrate does not exist in the inner cavity of the upper die 1 at the moment; in the whole process, gas is discharged through the vacuum pump 5, so that filtrate generated in the filter pressing process of the sludge filter press is discharged in time, and the technical problem that the water content of a mud cake rises due to the fact that the filtrate flows back to the mud cake is solved.

Example 2

As shown in fig. 1 and 2, based on embodiment 1, the steam-water separator 3 includes a housing 31, a liquid inlet pipe 32 with one end connected to a side wall of the housing 31, a liquid outlet pipe 33 with one end connected to a lower end of the housing 31, and a gas outlet pipe 34 with one end connected to an upper end of the housing 31, wherein the other end of the liquid inlet pipe 32 is used for communicating with a water outlet of the liquid outlet pipe 11, and the other end of the liquid outlet pipe 33 is communicated with a feed inlet of the 45 ° check valve 4; the other end of the air outlet pipe 34 is communicated with the air inlet of the vacuum pump 5.

The beneficial effect of adopting the preferred scheme in the embodiment is that when the sludge is pressed, the air-water mixture is discharged into the shell 31 through the liquid inlet pipe 32 for separation, the formed filtrate is discharged to the 45-degree check valve 4 from the liquid outlet pipe 33, and the gas is discharged to the vacuum pump 5 through the gas outlet pipe 34.

Further, the steam-water separator 3 further includes a bracket (not shown in the drawings) on which the housing 31 is vertically mounted to be stable.

Further, the shell 31 is divided into an upper shell and a lower shell, and the upper shell and the lower shell are connected through a flanging and a plurality of bolts, so that the disassembly and the assembly are convenient; further, a sealing layer is provided at the joint to improve sealability.

Example 3

As shown in fig. 1 and 2, on the basis of embodiments 1 and 2, a filter plate 35 positioned in the housing 31 is connected to the middle of the housing 31, a plurality of filter holes are formed in the filter plate 35, and one end of the liquid inlet pipe 32 is communicated with a space at the lower side of the filter plate 35.

The advantageous effect of the preferred embodiment of the above embodiment is that the filter plate 35 blocks the rising liquid and the gas is discharged upward from the filter holes when the gas-water mixture is separated by the gas-water separator 3.

Specifically, the periphery of the filter plate 35 is fixed to the inner wall of the housing 31 by bolts. Alternatively, the periphery of the filter sheet 35 is welded to the inner wall of the housing 31.

Example 4

Referring to fig. 1 and 2, based on embodiments 1-3, one end of the liquid inlet pipe 32 extends into the housing 31 and is bent into a U shape with a downward opening, the bent end is located above the filter plate 35 and higher than the other end of the liquid inlet pipe 32, and the open end is located below the filter plate 35.

The beneficial effect of the preferred embodiment of the above embodiment is that provision is made for downstream gas-water separation within the housing 31, at a slower rate of entry of the gas-water mixture into the housing 31 through the feed pipe 32.

Wherein one end of the liquid inlet pipe 32 located in the housing 31 is vertically opened downward, and the opened end is located at the lower side of the filter plate 35 to prevent liquid from reversely entering into the liquid inlet pipe 32.

Example 5

As shown in fig. 1 and 2, based on embodiments 1 to 4, the filter plate 35 has a funnel shape with a concave middle end, and a liquid leakage hole 351 is formed at the middle end.

The advantageous effect of the preferred embodiment of the above embodiment is to drain down the liquid condensed on the filter sheet 35 through the weep holes 351.

Example 6

As shown in fig. 1 and 2, on the basis of embodiments 1-5, a feed port of the steam-water separator 3 is communicated with a first pipeline 6, one end of the first pipeline 6 is communicated with the feed port of the steam-water separator 3, and the other end is used for being communicated with a water outlet of a liquid discharge pipe 11.

The beneficial effect of adopting the preferred scheme in the embodiment is that the air-water mixture discharged from the liquid discharge pipe 11 is smoothly discharged into the steam-water separator 3 through the first pipeline 6.

As a specific communication mode, one end of the first pipe 6 is communicated with the liquid discharge pipe 11, the other end is communicated with the liquid inlet pipe 32, and the specific communication mode can be connected by adopting a flange plate or can be communicated by adopting a threaded connection mode.

Example 7

As shown in fig. 1 and 2, on the basis of embodiments 1-6, the drain port of the steam-water separator 3 is communicated with a second pipe 7, and the 45-degree check valve 4 is arranged on the second pipe 7.

The beneficial effect of adopting the preferred scheme in the embodiment is that the filtrate in the steam-water separator 3 is smoothly discharged out of the 45-degree check valve 4 through the second pipeline 7.

As a specific communication mode, one end of the second pipe 7 is communicated with the liquid outlet pipe 33, and the specific communication mode may be a flange connection mode or a threaded connection mode.

Further, the second pipe 7 is installed through the stand, and is perpendicular to the horizontal ground at an inclined state of 45 degrees, and the high end of the second pipe is communicated with the liquid outlet pipe 33, so that the liquid discharged from the liquid outlet pipe 33 is discharged in time under the action of gravity. Meanwhile, when the valve plate of the 45-degree check valve 4 does not work, the valve plate is vertical to the horizontal plane due to gravity, a 45-degree interval exists between the valve plate and the sealing surface of the valve seat, and when vacuum suction exists, the door plate turns over, and the valve plate surface clings to the sealing surface of the valve seat, so that sealing is realized.

Example 8

As shown in fig. 1 and 2, on the basis of embodiments 1 to 7, one end of the second pipe 7, which is communicated with the liquid outlet of the steam-water separator 3, is connected with a movable joint 71, and the second pipe 7 is communicated with the liquid outlet of the steam-water separator 3 through the movable joint 71.

The beneficial effect of adopting the preferred scheme in the embodiment is that the communication between the second pipeline 7 and the steam-water separator 3 is realized through the movable joint 71, so that the disassembly, assembly and maintenance are convenient.

Specifically, the movable joint 71 may be a UPVC pipe, and two ends of the UPVC pipe are respectively connected to the second pipe 7 and the liquid outlet pipe 33 by a threaded connection.

Alternatively, the union 71 may also employ a UPVC flange.

Example 9

As shown in fig. 1 and 2, on the basis of embodiments 1-8, the exhaust port of the steam-water separator 3 is communicated with a third pipeline 8, and two ends of the third pipeline 8 are respectively communicated with the exhaust port of the steam-water separator 3 and the air inlet of the vacuum pump 5.

The preferred embodiment has the beneficial effect that the gas in the steam-water separator 3 is smoothly discharged to the vacuum pump 5 through the third pipeline 8 and is further discharged.

As a specific scheme of the embodiment, one end of the third pipeline 8 is communicated with the air outlet pipe 34 of the steam-water separator 3, and the other end of the third pipeline is communicated with the air inlet of the vacuum pump 5.

As a specific communication mode, the third pipeline 8 and the air outlet pipe 34 can be connected with the air inlet of the vacuum pump 5 by adopting a flange plate, and can also be communicated by adopting a threaded connection mode.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being 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 at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically 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; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. 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. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (9)

1. The utility model provides a vacuum water absorbing device, its characterized in that includes catch water (3), 45 check valve (4) and vacuum pump (5), the feed inlet of catch water (3) is used for the delivery port of intercommunication fluid-discharge tube (11), the leakage fluid dram of catch water (3) communicate in the feed inlet of 45 check valve (4), the gas vent of catch water (3) communicate in the air inlet of vacuum pump (5).

2. The vacuum water absorbing device according to claim 1, wherein the steam-water separator (3) comprises a shell (31), a liquid inlet pipe (32) with one end communicated with the side wall of the shell (31), a liquid outlet pipe (33) with one end communicated with the lower end of the shell (31) and a gas outlet pipe (34) with one end communicated with the upper end of the shell (31), the other end of the liquid inlet pipe (32) is used for communicating with a water outlet of the liquid outlet pipe (11), and the other end of the liquid outlet pipe (33) is communicated with a feed inlet of the 45-degree check valve (4); the other end of the air outlet pipe (34) is communicated with an air inlet of the vacuum pump (5).

3. The vacuum water absorbing device according to claim 2, wherein a filter plate (35) positioned in the shell (31) is connected to the middle part of the shell (31), a plurality of filter holes are formed in the filter plate (35), and one end of the liquid inlet pipe (32) is communicated with a space at the lower side of the filter plate (35).

4. A vacuum water absorbing device as claimed in claim 3, wherein one end of the liquid inlet pipe (32) extends into the housing (31) and is bent into a U shape with a downward opening, the bent end is located above the filter plate (35) and higher than the other end of the liquid inlet pipe (32), and the open end is located below the filter plate (35).

5. A vacuum water absorbing device according to claim 3, wherein the filter plate (35) is funnel-shaped with a concave middle end, and the middle end is provided with a liquid leakage hole (351).

6. A vacuum water absorbing device according to any one of claims 1-5, characterized in that the feed inlet of the steam-water separator (3) is connected with a first pipeline (6), one end of the first pipeline (6) is connected with the feed inlet of the steam-water separator (3), and the other end is used for being connected with the water outlet of the liquid discharge pipe (11).

7. A vacuum water absorbing device according to any one of claims 1-5, wherein the drain port of the steam-water separator (3) is connected to a second pipe (7), and the 45 ° check valve (4) is arranged on the second pipe (7).

8. The vacuum water absorbing device according to claim 7, wherein one end of the second pipeline (7) communicated with the liquid outlet of the steam-water separator (3) is connected with a movable joint (71), and the second pipeline (7) is communicated with the liquid outlet of the steam-water separator (3) through the movable joint (71).

9. A vacuum water absorbing device according to any one of claims 1-5, wherein the exhaust port of the steam-water separator (3) is communicated with a third pipeline (8), and two ends of the third pipeline (8) are respectively communicated with the exhaust port of the steam-water separator (3) and the air inlet of the vacuum pump (5).