Foam suppression device of vacuum system

Abstract

The utility model discloses a vacuum system foam suppression device which comprises a fixed shell, a heat exchanger is fixedly arranged on the inner end face of the fixed shell, and fixed flanges are arranged on the upper end face and the lower end face of the fixed shell. By arranging the first defoaming partition plate, the third defoaming partition plate and the second defoaming partition plate which are mutually parallel or spirally distributed, foam at the bottoms of the first defoaming partition plate, the third defoaming partition plate and the second defoaming partition plate can be eliminated, meanwhile, water drops are generated when the foam is broken, and the water drops can rise, so that the foam can be eliminated. And through turnover plates at the edges of the first defoaming partition plate, the third defoaming partition plate and the second defoaming partition plate, water drops can fall and incline, then cyclone and centrifugal force are generated, and the inhibition efficiency of the equipment on foam generated by rising of the wastewater is further effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical equipment, concretely is vacuum system foam suppression device. BACKGROUND

[0002] In the treatment process of industrial wastewater, MVR vacuum distillation system is often used, and the MVR vacuum distillation system comprises an evaporator and many other devices, and foam often appears when oil-containing wastewater flows, and if the foam is too much when the liquid is discharged, the filtering efficiency of the liquid will be reduced, the efficiency of the existing foam suppression device in removing the foam generated by the liquid still has defects, and therefore the efficiency of subsequent liquid filtering is reduced, so a defoaming device in the evaporator needs to be developed to solve the above problems. SUMMARY

[0003] The utility model discloses a vacuum system foam suppression device, which solves the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vacuum system foam suppression device, comprising a fixed shell, a heat exchanger is fixedly arranged on the inner end face of the fixed shell, fixed flanges are arranged on the upper end face and the lower end face of the fixed shell, two groups of guide pulleys are arranged on the side end face of the fixed shell close to the top, a fixed guide pipe is arranged on one side of the fixed shell, and a liquid guide pipe is arranged on the other side of the fixed shell,

[0005] The foam suppression device is sealingly and fixedly arranged on the upper end face of the fixed shell through the fixed flange.

[0006] The defoaming device is sealingly and fixedly arranged on the lower end face of the fixed shell through the fixed flange.

[0007] Preferably, the foam suppression device comprises a liquid guide cylinder for support, a butt joint guide pipe is fixedly arranged at the center of the lower end face of the liquid guide cylinder, a sealing cover plate is fixedly arranged on the top of the liquid guide cylinder, a first fixed tank is arranged on the side end face of the liquid guide cylinder close to the middle, a second fixed pipe is arranged on the side end face of the sealing cover plate, a first defoaming partition plate is arranged on the inner end face of the liquid guide cylinder close to the sealing cover plate and the first fixed tank, a third defoaming partition plate is arranged on the lower end face of the first fixed tank, a second defoaming partition plate is arranged on the inner end face of the liquid guide cylinder opposite to the lower end face of the third defoaming partition plate, and the lower end faces of the first defoaming partition plate, the second defoaming partition plate and the third defoaming partition plate are all provided with folding plates.

[0008] Preferably, the defoaming device comprises a sealing bottom shell fixed at the center of the lower end face of the filter plate, and a feed inlet is formed at the center of the lower end face of the sealing bottom shell, and the upper end face of the filter plate is fixedly provided with a positioning flange.

[0009] Preferably, the filter plate is connected with the bottom of the butt joint conduit through the heat exchanger, so that the stability of subsequent wastewater guiding can be improved.

[0010] Preferably, the first defoaming baffle, the second defoaming baffle and the third defoaming baffle are arranged in parallel, so that the efficiency and stability of subsequent foam elimination can be effectively improved.

[0011] Preferably, the first defoaming baffle, the second defoaming baffle and the third defoaming baffle are arranged in a spiral shape, and the first defoaming baffle, the second defoaming baffle and the third defoaming baffle arranged in a spiral shape can make the water droplets after foam elimination fall obliquely, so as to generate a cyclone and centrifugal force, and further effectively improve the efficiency of the equipment for foam removal.

[0012] Compared with the prior art, the defoaming device has the following beneficial effects:

[0013] 1. The first defoaming baffle, the third defoaming baffle and the second defoaming baffle arranged in parallel or in a spiral shape can eliminate the foam through the bottom, and the water droplets generated when the foam breaks will rise, and the folding plates at the edges of the first defoaming baffle, the third defoaming baffle and the second defoaming baffle make the water droplets fall obliquely, thereby generating a cyclone and centrifugal force, and further effectively improving the inhibition efficiency of the equipment for the foam generated by the rising wastewater. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a split view of the main body of the utility model;

[0015] Figure 2 is a structural schematic view of the main body of the utility model;

[0016] Figure 3 is a split view of the foam suppression device of the utility model;

[0017] Figure 4 is a structural schematic view of the foam suppression device of the utility model;

[0018] Figure 5 is a split view of the defoaming device of the utility model;

[0019] Figure 6 is a structural schematic view of the defoaming device of the utility model;

[0020] Figure 7The second embodiment of the defoaming device is split.

[0021] In the figure: 1-fixed conduit, 2-foam suppression device, 3-defoaming device, 4-fixed flange, 5-heat exchanger, 6-liquid guide pipe, 7-fixed shell, 8-guide pulley, 21-sealing cover plate, 22-first defoaming baffle, 23-second defoaming baffle, 24-liquid guide cylinder, 25-butting conduit, 26-turnover plate, 27-first fixed tank, 28-third defoaming baffle, 29-second fixed pipe, 31-alignment flange, 32-filter plate, 33-sealing bottom shell, 34-feeding port. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-6 The utility model provides an embodiment: vacuum system foam suppression device, including fixed shell 7, the inner end surface of fixed shell 7 is fixedly arranged with heat exchanger 5, and is located the upper end surface and the lower end surface of fixed shell 7 and is arranged with fixed flange 4, the side end surface of fixed shell 7 is arranged with two groups of guide pulley 8 near the top, and is located the one side of fixed shell 7 and is arranged with fixed conduit 1, is located the other side of fixed shell 7 and is arranged with liquid guide pipe 6,

[0024] Foam suppression device 2, foam suppression device 2 is further sealed and fixedly arranged on the upper end surface of fixed shell 7 through fixed flange 4;

[0025] Defoaming device 3, defoaming device 3 is further sealed and fixedly arranged on the lower end surface of fixed shell 7 through fixed flange 4.

[0026] Foam suppression device 2 includes the liquid guide cylinder 24 for supporting, the lower end surface center of liquid guide cylinder 24 is fixedly arranged with butting conduit 25, is located the top of liquid guide cylinder 24 and is fixedly arranged with sealing cover plate 21, the side end surface of liquid guide cylinder 24 is arranged with first fixed tank 27 near the middle, and is located the side end surface of sealing cover plate 21 and is arranged with second fixed pipe 29, the inner end surface of liquid guide cylinder 24 is arranged with first defoaming baffle 22 between sealing cover plate 21 and first fixed tank 27, is located the lower end surface of first fixed tank 27 and is arranged with third defoaming baffle 28, and is located the inner end surface of liquid guide cylinder 24 and is arranged with second defoaming baffle 23 to the lower end surface of third defoaming baffle 28, the lower end surface of first defoaming baffle 22, second defoaming baffle 23 and third defoaming baffle 28 is arranged with turnover plate 26.

[0027] The defoaming device 3 comprises a sealing bottom shell 33 fixed at the center of the lower end face of the filter plate 32, and a feed inlet 34 is formed at the center of the lower end face of the sealing bottom shell 33, and the upper end face of the filter plate 32 is fixedly provided with a positioning flange 31.

[0028] The filter plate 32 is throughly connected with the bottom of the butt joint conduit 25 through the heat exchanger 5, so that the stability of subsequent wastewater guiding can be improved.

[0029] The first defoaming partition plate 22, the second defoaming partition plate 23 and the third defoaming partition plate 28 are arranged in parallel, so that the efficiency and stability of subsequent foam elimination can be effectively improved.

[0030] As shown in Figure 7 The first defoaming partition plate 22, the second defoaming partition plate 23 and the third defoaming partition plate 28 are arranged in parallel, so that the efficiency and stability of subsequent foam elimination can be effectively improved.

[0031] Working principle: when the defoaming operation is performed, the workers can introduce the wastewater to be filtered into the inside of the sealing bottom shell 33 through the feed inlet 34, and then the filter plate 32 can perform the preliminary filtering and defoaming operation on the wastewater, and as the wastewater is upwardly displaced, the fixed conduit 1 and the liquid guide pipe 6 can circulate the heat exchange liquid in the heat exchanger 5, so as to improve the adsorption of the heat energy in the wastewater and improve the environmental protection performance of the equipment, when the wastewater is gradually lifted to the inside of the butt joint conduit 25 through the channel in the heat exchanger 5, the wastewater and the foam liquid in the liquid guide cylinder 24 are gradually lifted, and the folded plate 26 at the bottom of the first defoaming partition plate 22, the third defoaming partition plate 28 and the second defoaming partition plate 23 can perform the omnibearing elimination operation on the foam, so as to improve the efficiency of subsequent wastewater filtering.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A vacuum system foam suppression device, comprising a fixed shell (7), the inner end face of the fixed shell (7) is fixedly provided with a heat exchanger (5), and the upper end face and the lower end face of the fixed shell (7) are provided with fixed flanges (4), the side end face of the fixed shell (7) is provided with two groups of guide pulleys (8) near the top, and a fixed guide pipe (1) is arranged on one side of the fixed shell (7), and a liquid guide pipe (6) is arranged on the other side of the fixed shell (7), characterized in that: a foam suppression device (2) is sealingly and fixedly arranged on the upper end face of the fixed shell (7) through the fixed flange (4); a defoaming device (3) is sealingly and fixedly arranged on the lower end face of the fixed shell (7) through the fixed flange (4).

2. The vacuum system foam mitigation apparatus of claim 1, wherein: The foam suppression device (2) comprises a liquid guide cylinder (24) for support, the lower end face of the liquid guide cylinder (24) is fixedly provided with a butt joint pipe (25) at the center, the top of the liquid guide cylinder (24) is fixedly provided with a sealing cover plate (21), the side end face of the liquid guide cylinder (24) is provided with a first fixed tank (27) near the middle, and the side end face of the sealing cover plate (21) is provided with a second fixed pipe (29), the inner end face of the liquid guide cylinder (24) is provided with a first defoaming partition plate (22) between the sealing cover plate (21) and the first fixed tank (27), the lower end face of the first fixed tank (27) is provided with a third defoaming partition plate (28), and the inner end face of the liquid guide cylinder (24) is provided with a second defoaming partition plate (23) opposite to the lower end face of the third defoaming partition plate (28), the lower end faces of the first defoaming partition plate (22), the second defoaming partition plate (23) and the third defoaming partition plate (28) are provided with folding plates (26).

3. The vacuum system foam mitigation apparatus of claim 2, wherein: The lower end face of the filter plate (32) is fixedly provided with a sealing bottom shell (33) at the center, and the lower end face of the sealing bottom shell (33) is provided with an inlet (34), and the upper end face of the filter plate (32) is fixedly provided with a positioning flange (31).

4. The vacuum system foam mitigation apparatus of claim 3, wherein: The filter plate (32) is connected with the bottom of the butt joint pipe (25) through the heat exchanger (5).

5. The vacuum system foam mitigation apparatus of claim 4, wherein: The first defoaming partition plate (22), the second defoaming partition plate (23) and the third defoaming partition plate (28) are arranged in parallel.

6. The vacuum system foam mitigation apparatus of claim 4, wherein: The first defoaming partition plate (22), the second defoaming partition plate (23) and the third defoaming partition plate (28) are arranged in a spiral shape.

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