CN207654761U - Liquid separator and MVR vapo(u)rization systems - Google Patents

Abstract

The utility model embodiment discloses a kind of liquid separator, including shell (101), partition board (102) and the first porous aggregate (105), the partition board (102) is set in the shell (101), the shell (101) is divided into first chamber (103) and second chamber (104), first chamber (103) bottom is connected to the second chamber (104) bottom, and first porous aggregate (105) is filled in the connectivity part of the first chamber (103) bottom and the second chamber (104) bottom.For the conventional liquid separator of same shapes and sizes, in liquid separator in above-mentioned technical proposal, since partition board has divided housing 135 into two chambers, thus the thickness of the suspension nitride layer formed in the first chamber more thickeies, to be more convenient for realizing separation.Meanwhile almost without oil droplet and other pollutants in second chamber, therefore the distilled water being discharged from second chamber is cleaner, and the separating effect of liquid separator is more preferable.

Description

Liquid separator and MVR vapo(u)rization systems

Technical field

This application involves fluid separation device field more particularly to a kind of liquid separators.In addition, the application further relates to one Kind MVR vapo(u)rization systems.

Background technology

In wastewater treatment process, due to waste water, especially industrial wastewater, complicated component often contains solvent, oils Equal pollutants, thus can usually use liquid separating appts.

For example, being evaporated using MVR (Mechanical Vapor Recompression, mechanical steam recompression) When technology handles industrial wastewater, after the evaporation separation of MVR evaporators, condensed out in the shell side of MVR evaporators Condensed fluid in, in addition to distilled water, usually can also mix a small amount of solvent, oil droplet and other pollutants.Routinely, Liquid outlet is provided on the side wall of MVR evaporators, liquid outlet is connected to liquid separator, and condensed fluid is made to be passed through liquid separator Middle layering, then be discharged from liquid separator bottom by distilled water, to obtain distilled water.

The separating effect of conventional liquid separator is relatively poor, influences to be discharged quality, this be those skilled in the art urgently Problem to be solved.

Utility model content

In order to solve the above technical problems, the application provides a kind of better liquid separator of separating effect.

Specifically, in a first aspect, providing a kind of liquid separator, including shell, partition board and the first porous aggregate, it is described every Plate is set in the shell, and the shell is divided into first chamber and second chamber, the first chamber bottom and described Second chamber bottom is connected to, and first porous aggregate is filled in the company of the first chamber bottom and the second chamber bottom Logical place.

With reference to first aspect, in first aspect in the first possible realization method, first is equipped in the first chamber Liquid level sensor, the second liquid level sensor is equipped in the second chamber, and the setting height of first liquid level sensor is higher than Second liquid level sensor；Also it is communicated with the first pumpback pipeline and the second pumpback pipeline in the first chamber, described first The height of the pump orifice of pumpback pipeline is less than the height of first liquid level sensor, and is greater than or equal to second liquid level The height of sensor, the height of the pump orifice of the second pumpback pipeline are less than the height of second liquid level sensor.

With reference to first aspect and above-mentioned possible realization method is gone back in second of possible realization method of first aspect Include the diffuser being connected to the first chamber, the caliber of described diffuser one end is more than the caliber of the other end, and caliber Big one end is connect with the first chamber.

With reference to first aspect and above-mentioned possible realization method, in second of possible realization method of first aspect, institute It states diffuser inner top and is connected with first baffle, there is gap between the first baffle bottom end and the flaring bottom of the tube.

With reference to first aspect and above-mentioned possible realization method, in the 4th kind of possible realization method of first aspect, institute It states diffuser inner top and is also connected with second baffle, there is gap between the second baffle bottom end and the flaring bottom of the tube, The second porous aggregate is filled in diffuser between the first baffle and the second baffle.

With reference to first aspect and above-mentioned possible realization method, in the 5th kind of possible realization method of first aspect, institute The caliber for stating diffuser is gradually reduced by one end to the other end.

With reference to first aspect and above-mentioned possible realization method, in the 6th kind of possible realization method of first aspect, institute It includes at least straight-run of pipe and at least one section of inclined tube to state diffuser, and the straight tube is connect with the inclined tube interval, and described oblique The bore of the bore of pipe one end and the straight tube of connection adjacent thereto with it is identical.

Second aspect, provides a kind of MVR vapo(u)rization systems, including MVR evaporators, vapour compression machine and first aspect Any liquid separator；

The tube side of the MVR evaporators is connected to the air inlet of the vapour compression machine, the shell side of the MVR evaporators with The gas outlet of the vapour compression machine is connected to, and the liquid outlet of the MVR evaporators connects with the first chamber of the liquid separator It is logical；

Intake, the air inlet of the intake and the vapour compression machine are provided in the second chamber of the liquid separator Mouth connection.

The third aspect, provides a kind of MVR vapo(u)rization systems, including MVR evaporators, vapour compression machine and first aspect Any liquid separator；

The tube side of the MVR evaporators is connected to the air inlet of the vapour compression machine, the shell side of the MVR evaporators with The gas outlet of the vapour compression machine is connected to, and the liquid outlet of the MVR evaporators connects with the first chamber of the liquid separator It is logical；

The the first pumpback pipeline and the second pumpback pipeline of the liquid separator connect with the tube side of the MVR evaporators It is logical.

When in use, liquid to be separated enters first chamber to above-mentioned liquid separator, part oil droplet in liquid to be separated It with other pollutants due to smaller than the density of distilled water, gradually floats in the distilled water liquid level in first chamber, is formed outstanding Float layer.Meanwhile liquid to be separated enters in the first porous aggregate, the tiny oil droplet of another part and other pollutants exist Aggregation becomes larger in first porous aggregate, also gradually floats in the distilled water liquid level in first chamber, is converged with the suspension nitride layer of script It closes.Due to the presence of partition board, oil droplet and other pollutants in liquid to be separated converge in the distilled water of first chamber Surface, and second chamber is almost without oil droplet and other pollutants.

For the conventional liquid separator of same shapes and sizes, in the liquid separator in the present embodiment, Since partition board has divided housing 135 into two chambers, thus the thickness of the suspension nitride layer formed in the first chamber more thickeies, to It is more convenient for realizing separation.Meanwhile almost without oil droplet and other pollutants in second chamber, therefore arranged from second chamber The distilled water gone out is cleaner, and the separating effect of liquid separator is more preferable.

Description of the drawings

In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor, Other drawings may also be obtained based on these drawings.

Fig. 1 is the structural schematic diagram of the first specific implementation mode of the liquid separator of the application；

Fig. 2 is the structural schematic diagram of second of specific implementation mode of the liquid separator of the application；

Fig. 3 is highly schematic for the setting of associated components in second of specific implementation mode of the liquid separator of the application Figure；

Fig. 4 is the schematic diagram of the first use state of second of specific implementation mode of the liquid separator of the application；

Fig. 5 is the schematic diagram of second of use state of second of specific implementation mode of the liquid separator of the application；

Fig. 6 is the schematic diagram of the third use state of second of specific implementation mode of the liquid separator of the application；

Fig. 7 is the structural schematic diagram of the first of diffuser and relevant apparatus specific implementation mode in the application；

Fig. 8 is the structural schematic diagram of second of specific implementation mode of diffuser and relevant apparatus in the application；

Fig. 9 is the structural schematic diagram of the third of diffuser and relevant apparatus specific implementation mode in the application；

Figure 10 is the structural schematic diagram of the one of which specific implementation mode of the MVR vapo(u)rization systems of the application.

Reference sign：Liquid separator 100；Shell 101；Partition board 102；First chamber 103；Second chamber 104；The One porous aggregate 105；First liquid level sensor 106；Second liquid level sensor 107；First pumpback pipeline 108；First pumpback pipe The pump orifice 1081 on road；Second pumpback pipeline 109；The pump orifice 1091 of second pumpback pipeline；Diffuser 110；The one of diffuser End 111；The diffuser other end 112；First baffle 113；Second baffle 114；Second porous aggregate 115；Gap 116；Straight tube 117；Inclined tube 118；Water outlet 120；Inlet 130；Distill water layer 140；Suspension nitride layer 150；Intake 160；MVR evaporators 200；Tube side 201；Shell side 202；Liquid outlet 203；Admission chamber 204；Cooling water pipeline 300；Gas exhaust piping 400；Vapour compression machine 500；Gas-liquid separator 600；Air inlet pipeline 700.

Specific implementation mode

It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model It puts and implement giving detailed embodiment and specific operating process, but the scope of protection of the utility model is not limited to Following embodiments.

In the description of the utility model and embodiment, it is to be understood that term " first ", " second " are only used for describing Purpose is not understood to indicate or imply relative importance or implicitly indicates the quantity of indicated technical characteristic.As a result, Define " first ", the feature of " second " can explicitly or implicitly include one or more this feature.

In the description of the utility model and embodiment, it is to be understood that term "upper", "lower", "top", "bottom", The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching State the utility model and simplify and describe, do not indicate or imply the indicated device or parts must have a particular orientation, With specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

Referring to FIG. 1, in one embodiment of the utility model, a kind of liquid separator, including shell are provided 101, partition board 102 and the first porous aggregate 105, partition board 102 are set in shell 101, and shell 101 is divided into first chamber 103 and second chamber 104,103 bottom of first chamber be connected to 104 bottom of second chamber, the first porous aggregate 105 is filled in The connectivity part of 104 bottom of 103 bottom of first chamber and second chamber.

The first above-mentioned porous aggregate 105, can be such as stainless steel cloth, asbestos gauge.

Above-mentioned partition board 102 only needs shell 101 being separated into left and right two chambers, and partition board 102 can be vertical Setting, as shown in Figure 1, can also be obliquely installed, the application is without limitation.

When in use, liquid to be separated can enter first chamber 103 to above-mentioned liquid separator from inlet 130, wait for Part oil droplet and other pollutants are detached in liquid due to smaller than the density of distilled water, are gradually floated in first chamber 103 Distillation water layer 140 liquid level on, form suspension nitride layer 150.Meanwhile liquid to be separated enters in the first porous aggregate 105, separately A part of tiny oil droplet and other pollutants are assembled in the first porous aggregate 105 to become larger, and also gradually floats to the first chamber On the liquid level of distillation water layer 140 in room 103, converge with the suspension nitride layer 150 of script.It is to be separated due to the presence of partition board 102 Oil droplet and other pollutants in liquid converge in the distillation water surface of first chamber 103, and second chamber 104 is almost There is no oil droplet and other pollutants.

For the conventional liquid separator of same shapes and sizes, in the liquid separator in the present embodiment, Since shell 101 is divided into two chambers, thus the thickness of the suspension nitride layer 150 formed in first chamber 103 by partition board 102 It more thickeies, to be more convenient for realizing separation.Meanwhile almost without oil droplet and other pollutants in second chamber 104, therefore The distilled water being discharged from second chamber 104 is cleaner, and the separating effect of liquid separator is more preferable.

Optionally, the water outlet 120 of liquid separator is set on 104 side wall of second chamber, and the height of water outlet 120 Degree is further ensured that higher than the height of 102 bottom end of partition board to ensure that flow preferably passes through entire first porous aggregate 105 The cleanliness factor of water outlet.

Optionally, it referring to FIG. 2, being equipped with the first liquid level sensor 106 in first chamber 103, is set in second chamber 104 There are the second liquid level sensor 107, the setting height of the first liquid level sensor 106 to be higher than the second liquid level sensor 107；First chamber The first pumpback pipeline 108 and the second pumpback pipeline 109, the height of the pump orifice 1081 of the first pumpback pipeline are also communicated in 103 Less than the height of the first liquid level sensor 106, and greater than or equal to the height of the second liquid level sensor 107, the second pumpback pipe The height of the pump orifice 1091 on road is less than the height of the second liquid level sensor 107.

Above-mentioned the first liquid level sensor 106 and the second liquid level sensor 107 is when liquid level reaches corresponding setting height It is triggered.

In this example, it is assumed that the first liquid level sensor 106 is H1, the second liquid relative to the height of 101 bottom of shell Level sensor 107 is H2 relative to the height of 101 bottom of shell, and the pump orifice 1081 of the first pumpback pipeline is relative to shell 101 The height of bottom is H3, and the pump orifice 1091 of the second pumpback pipeline is H4 relative to the height of 101 bottom of shell, as shown in figure 3, H1 ＞ H3 >=H2 ＞ H4.

First liquid level sensor 106, the pump orifice 1081 of the first pumpback pipeline, the second liquid level sensor 107, the second pumpback Specific height difference between the pump orifice 1091 of pipeline can be determined according to actual conditions.For example, the first pumpback pipeline The setting height of the pump orifice 1091 of pump orifice 1081 and the second pumpback pipeline, can be according to the close of different types of suspension nitride layer It spends to adjust specific difference in height.

Since first chamber 103 is connected to 104 bottom of second chamber, top air pressure is identical, therefore first chamber 103 neutralizes Liquid in second chamber 104 is equal to the pressure of respective bottom.Utilizing U-tube density contrast principle, it is assumed that the density of water is ρ 1, The density of suspended matter is ρ 2, acceleration of gravity g, and distilled water layer height is Hb in first chamber 103, and suspended matter layer height is Hc, distilled water height is Ha in second chamber 104, then can be obtained by liquid pressure formula：

ρ 1gHa=ρ 1gHb+ ρ 2gHc,

Namely：ρ 1Ha=ρ 1Hb+ ρ 2Hc.

Since the density of water is more than the density of suspended matter, i.e. 1 ＞ ρ 2 of ρ, so Ha ＜ Hb+Hc.

Take Δ h=Hb+Hc-Ha, it is clear that when the thickness Hb of suspension nitride layer is bigger, the value of Δ h is also bigger.

Referring to FIG. 4, be triggered when the second liquid level sensor 107, and when the first liquid level sensor 106 is not triggered, say The height that water layer is distilled in bright first chamber 103 is less than H1, that is, H1 ＞ (Hb+ plus the height Hb+Hc of suspension nitride layer Hc)；The height Ha of the distillation water layer in second chamber 104 is equal to H2, that is, H2=Ha simultaneously.Therefore, (H1-H2) ＞ (Hb + Hc-Ha)=Δ h.It can be seen that at this point, the thickness of the suspension nitride layer in first chamber 103 is relatively thin, the first pumpback pipeline is enabled 108, due to H1 ＞ H3 >=H2, the liquid layer pumpback that the first pumpback pipeline 108 can be by being highly higher than and equal to the parts H3 is walked.

Referring to FIG. 5, when the first liquid level sensor 106 and the second liquid level sensor 107 are triggered simultaneously, illustrate first The height of distillation water layer in chamber 103 is equal to H1, that is, (Hb+Hc)=H1 plus the height Hb+Hc of suspension nitride layer；Together When, the height Ha of the distillation water layer in second chamber 104 is equal to H2, that is, Ha=H2.Therefore, Δ h=(H1-H2).It can be seen that At this point, the thickness of the suspension nitride layer in first chamber 103 is relatively thick, the second pumpback pipeline 109 can be enabled, due to H1 ＞ H4, the liquid layer pumpback that the second pumpback pipeline 109 can be by being highly higher than and equal to H4 are walked.

Referring to FIG. 6, when the first liquid level sensor of liquid level 106 is triggered, and the second liquid level sensor 107 is not touched When hair, illustrate that the height of the distillation water layer in first chamber 103 is equal to H1, that is, (Hb plus the height Hb+Hc of suspension nitride layer + Hc)=H1；Meanwhile the height Ha of the distillation water layer in second chamber 104 is less than H2, that is, Ha ＜ H2.Therefore, Δ h ＞ (H1-H2).It can be seen that at this point, the thickness of the suspension nitride layer in first chamber 103 is relatively very thick, the second pumpback pipeline can be enabled 109, due to H1 ＞ H4, walked so as to the liquid layer pumpback by being highly higher than and equal to H4.More preferably, it can enable simultaneously at this time First pumpback pipeline 108 and the second pumpback pipeline 109, more rapidly the liquid layer pumpback by being highly higher than and equal to H4 are walked, into The volatile substances that one step reduces in suspension nitride layer are discharged into the risk of air at gas, while further decreasing suspension nitride layer The risk mixed again with distilled water.

It, can be by the suspended matter pumpback in first chamber 103, a side by using the liquid separator in the embodiment Face, prevents the volatile materials in suspension nitride layer from can send out into gas, and discharge system pollutes air；On the other hand, it avoids Pollutant in suspension nitride layer is trapped in liquid separator for a long time, is mixed again with distilled water, and formation is difficult to detach Mixture, influence the quality of the distilled water of the discharge in liquid separator.Meanwhile by using the liquid in the embodiment point From device, in pumpback suspension nitride layer can pumpback has been separated from condensed fluid as few as possible distilled water, improve The treatment effeciency of liquid separator.

Optionally, Fig. 7 to Fig. 9 is please referred to, liquid separator above-mentioned further includes being connected to first chamber 103 for leading to Enter the diffuser 110 of liquid to be separated, the caliber of diffuser one end 111 is more than the caliber of the other end 112, and caliber is big One end 111 is connect with first chamber 103.

When in use, liquid to be separated may have already passed through point of other separators before being passed through liquid separator From.Such as in MVR vapo(u)rization systems, referring to FIG. 10, liquid separator 100 can be with the liquid outlet 203 of MVR evaporators 200 Connection.Liquid to be separated first passes around the evaporation separation of MVR evaporators 200, makes the pollutants such as most solvent, oils It is all separated from water, the pollutants such as a small amount of volatile materials, oil droplet exothermic condensation in the shell side 202 of MVR evaporators 200 It is entered in liquid separator 100 by MVR evaporators liquid outlet 203 together with distilled water afterwards.At this point, using diffuser 110 MVR evaporators liquid outlet 203 and first chamber 103 are connected, can allow and keep nature under gravity from liquid to be separated Gentle flowing into first chamber 103 is detached, to avoid quickly flow caused by disturb so that distilled water and Pollutant mixes, and then is conducive to the separation of liquid separator.

Optionally, the height of the second liquid level sensor 107 can be minimum with diffuser 110 and 103 connectivity part of first chamber The height of point maintains an equal level, or slightly lower than diffuser 110 and 103 interface of first chamber height.First liquid level sensor 106 Height is arranged can be with the height of a little higher than second liquid level sensor 107.

Optionally, referring to FIG. 8, diffuser 110 can be caliber is gradually reduced by one end 111 to 112 caliber of the other end An inclined tube 118.Inclined tube in the embodiment of the present application refers to that caliber becomes larger or gradually smaller pipeline.

Fig. 7 and Fig. 9 are please referred to, diffuser 110 can also be including at least straight-run of pipe 117 and at least one section of inclined tube 118, directly Pipe 117 is connected with the interval of inclined tube 118, and the bore phase of the straight tube 117 of the bore and connection adjacent thereto of 118 one end of inclined tube Together.In contrast, the height of 118 bottom of the straight tube 117 of relatively close first chamber 103 or inclined tube is not higher than and is relatively distant from out liquid The height of 118 bottom of straight tube 117 or inclined tube of mouth 203, enables to flow under the effect of gravity from distilled water and pollutant. Straight tube 117 is spaced the diffuser 110 connected and composed with inclined tube 118, can reduce the flow velocity of distilled water and pollutant, make It more steadily can lenitively be flowed, and further avoided continuing to accelerate distilled water and pollutant in flow process and occurred to mix It closes, is conducive to the separation of liquid separator, and then promote the quality of separation water outlet.

Optionally, Fig. 7 to Fig. 9 is referred to, 110 inner top of diffuser above-mentioned is connected with first baffle 113, first baffle There is gap 116 between 110 bottom of 113 bottom ends and diffuser.110 inner top of diffuser is also connected with second baffle 114, and second There is gap 116, the flaring between first baffle 113 and second baffle 114 between 110 bottom of 114 bottom end of baffle and diffuser The second porous aggregate 115 is filled in pipe.Wherein, the gap of first baffle 113, second baffle 114 and 110 bottom of diffuser 116 can adjust its size according to actual conditions, and the application is not restricted this.Second porous aggregate 115 can be for example golden Belong to silk screen, organic cotton etc..

Referring to Figure 10, going out liquid when aforesaid liquid separator is applied to MVR vapo(u)rization systems, and with MVR evaporators When mouth 203 is connected to, can may also there be the gas not condensed out in the shell side 202 of MVR evaporators, these gases are most of It can be discharged from gas exhaust piping 400, but have partial gas that can enter diffuser 110 by liquid outlet 203, and then entered In the shell 101 of liquid separator.These gases on the one hand can stir distilled water originally under naturally gentle flow regime with Pollutant；On the other hand, it due to 103 top of first chamber under normal conditions and 104 top of second chamber and is connected to, Escaping gas and fine oil droplets in gas can enter directly into first chamber 103 and second chamber 104, generation condensation, Assemble and be redissolved, has already passed through the distilled water of separation in chronic pollution second chamber 104 originally.

In the present embodiment, since the bottom end of first baffle 113 is higher than the bottom of diffuser 110 so that first baffle 113 There are gaps 116 between 110 bottom of bottom end and diffuser.Distilled water and pollutant continue gently in diffuser 110 Flowing, and continue gently to be flowed into liquid separator by gap 116.And the escaping gas in shell side 202 and gas In small oil droplet can then be stopped to a certain extent by first baffle 113, reduce by diffuser 110 enter liquid detach The gas of device, to reduce the pollution risk of escaping gas in gas and oil droplet to the distilled water in second chamber 104.

Further, by the way that two block baffles are arranged, and the second porous aggregate is filled in the diffuser 110 between baffle 115 so that tiny drop is further captured by the second porous aggregate 115 in gas, and then is better protected from tiny drop Into in second chamber 104, while making the flow for flowing to first chamber 103 by diffuser 110 more uniformly gentle.

Referring to FIG. 10, in second embodiment of the application, a kind of MVR vapo(u)rization systems, including MVR evaporators are provided 200, vapour compression machine 500 and aforementioned any liquid separator 100, tube side 201 and the vapour compression machine 500 of MVR evaporators Air inlet connection, the shell side 202 of MVR evaporators is connected to the gas outlet of vapour compression machine 500, the liquid outlet of MVR evaporators 203 are connected to the first chamber 103 of liquid separator 100；It is provided with intake in the second chamber 104 of liquid separator 100 160, intake 160 is connected to the air inlet of vapour compression machine 500.Preferably, intake 160 is opened in second chamber 104 Bottom.Distilled water in second chamber 104 can also be discharged by the water outlet 120 being arranged on 104 side wall of second chamber Liquid separator 100.

When in use, the gas-liquid separation being connected to the tube side of MVR evaporators 201 can also be arranged in 200 top of MVR evaporators Device 600, to remove the drop and foam of the overwhelming majority in the steam for evaporating generation in tube side 201.In MVR vapo(u)rization systems also Gas exhaust piping 400 can be set, and gas exhaust piping 400 is connected to shell side 202, is not condensed out in shell side 202 for being discharged Gas.Preferably, gas exhaust piping 400 is separately positioned on both sides opposite on 200 side wall of MVR evaporators with air inlet pipeline 700, make From air inlet pipeline 700 into the high-quality steam of shell side 202 and heat exchanger tube again from 400 row of gas exhaust piping after fully exchanging heat Go out, into the subsequent processing steps of gas.

When work, liquid to be treated enters tube side 201 from the admission chamber 204 of 200 bottom of MVR evaporators, in tube side 201 By heating evaporation.The pollution gas such as volatile solvent gas, contaminant gases and oils droplet, dirt in evaporation process The pollutions droplets such as dye object droplet are mixed in vapor, by gas-liquid separator 600, are removed and are evaporated production in tube side 201 Most drop in raw steam and foam.Then it is compressed using vapour compression machine 500, becomes high-quality steam, into Enter shell side 202.High-quality steam in shell side 202 exchanges heat with the liquid in tube side 201, and liquid in tube side 201 is maintained to steam Send out institute's calorific requirement；Meanwhile being condensed into condensate after the steam heat-exchanging in shell side 202.The liquid outlet that condensate passes through MVR evaporators 203 enter the first chamber 103 of liquid separator 100, and distilled water is discharged from second chamber 104 after multi_layer extraction.It will The intake 160 of liquid separator 100 is connected to the air inlet of vapour compression machine 500 by cooling water pipeline 300, will be clean Distilled water is used as the temperature of cooling water control vapour compression machine 500, prevents vapour compression machine 500 is unstable from entire MVR being caused to steam The operating mode of hair system changes, while realizing recycling for distilled water.Intake 160 is set to the bottom of second chamber 104 Portion can not only get clean distilled water, moreover it is possible to which maximum the case where preventing cooling water water shortage occurs.

In addition, the water outlet quality of the MVR vapo(u)rization systems is more preferable, clean level higher, before including due to the MVR vapo(u)rization systems Any liquid separator stated, therefore the also advantageous effect correspondingly with liquid separator in previous embodiment, herein not It repeats again.

Still referring to FIG. 10, in the third embodiment of the application, a kind of MVR vapo(u)rization systems are provided, including MVR steams Send out device 200, vapour compression machine 500 and aforementioned any liquid separator 100, the tube side 201 and both vapor compression of MVR evaporators The air inlet of machine 500 is connected to, and the shell side 202 of MVR evaporators is connected to the gas outlet of vapour compression machine 500, MVR evaporators Liquid outlet 203 is connected to the first chamber 103 of liquid separator 100；First pumpback pipeline 108 of liquid separator 100 and Two pumpback pipelines 109 are connected to the tube side of MVR evaporators 201.

When in use, the gas-liquid separation being connected to the tube side of MVR evaporators 201 can also be arranged in 200 top of MVR evaporators Device 600, to remove the drop and foam of the overwhelming majority in the steam for evaporating generation in tube side 201.First pumpback pipeline 108 It is connected to the tube side 201 of MVR evaporators by gas-liquid separator 600 with the second pumpback pipeline 109.Vapour compression machine 500 Air inlet is connected to also by gas-liquid separator 600 with the tube side 201 of MVR evaporators.

When work, liquid to be treated in tube side 201 by heating evaporation, volatile solvent gas, pollution in evaporation process The pollutions droplet such as the pollution gas such as object gas and oils droplet, pollutant droplet is mixed in vapor, is led to Gas-liquid separator 600 is crossed, most drop and foam in the steam for evaporating generation in tube side 201 are removed.Then using Vapour compression machine 500 compresses, and becomes high-quality steam, into shell side 202.In high-quality steam and tube side 201 in shell side 202 Liquid exchange heat, maintain tube side 201 in liquid evaporation institute calorific requirement；Meanwhile it being condensed into after the steam heat-exchanging in shell side 202 Condensate.Condensate enters the first chamber 103 of liquid separator 100 by the liquid outlet 203 of MVR evaporators, by layering Clean distilled water is discharged after separation from second chamber 104.And it is suspended in the suspended matter of liquid surface in first chamber 103 Layer, then be drawn by the first pumpback pipeline 108 and the second pumpback pipeline 109 in the tube side 201 of MVR evaporators again.

It is negative pressure in the tube side 201 of MVR evaporators when being worked due to MVR vapo(u)rization systems, as long as so the first pumpback pipeline 108 and the second valve on pumpback pipeline 109 open, the suspension nitride layer higher than the respective pump orifice of two pumpback pipelines will be weighed It is newly drawn into the tube side 201 of MVR evaporators, starts pumpback pipeline without other power.By the way that suspension nitride layer is aspirated Return pipe journey 201, moreover it is possible to prevent the volatile substances in suspension nitride layer, prevent the escaping gas in liquid separator 100 MVR vapo(u)rization systems are discharged, air is polluted.

In addition, the water outlet quality of the MVR vapo(u)rization systems is more preferable, clean level higher, before including due to the MVR vapo(u)rization systems Any liquid separator stated, therefore the also advantageous effect correspondingly with liquid separator in previous embodiment, herein not It repeats again.

In the 4th embodiment of the application, a kind of pumpback control method of liquid separator, liquid separation are provided Device including shell 101, partition board 102 and the first porous aggregate 105, partition board 102 referring to FIG. 2, be set in shell 101, by shell Body 101 is divided into first chamber 103 and second chamber 104, and 103 bottom of first chamber is connected to 104 bottom of second chamber, and first Porous aggregate 105 is filled in the connectivity part of 104 bottom of 103 bottom of first chamber and second chamber；It is equipped in first chamber 103 First liquid level sensor 106 is equipped with the second liquid level sensor 107, the setting of the first liquid level sensor 106 in second chamber 104 Height is higher than the second liquid level sensor 107；The first pumpback pipeline 108 and the second pumpback pipeline are also communicated in first chamber 103 109, the height of the pump orifice 1081 of the first pumpback pipeline 108 is less than the height of the first liquid level sensor 106, and be higher than or Equal to the height of the second liquid level sensor 107, the height of the pump orifice 1091 of the second pumpback pipeline 109 is less than the second level sensing The height of device 107；

If the second liquid level sensor 107 is triggered, and the first liquid level sensor 106 is not triggered, then starts first time Take out pipeline 108；

If the first liquid level sensor 106 and the second liquid level sensor 107 are triggered, start the second pumpback pipeline 109；

If the first liquid level sensor 106 is triggered, and the second liquid level sensor 107 is not triggered, then starts first time Take out pipeline 108 and the second pumpback pipeline 109.

Optionally, the first pumpback pipeline 108, valve can also be respectively set on the second pumpback pipeline 109, according to the first liquid The trigger signal of level sensor 106 and the second liquid level sensor 107, to distinguish the opening and closing of control valve.

It, can be by the suspended matter pumpback in first chamber 103, a side by using the pumpback control method in the embodiment Face, prevents the volatile materials in suspension nitride layer from can send out into gas, and discharge system pollutes air；On the other hand, it avoids Pollutant in suspension nitride layer is trapped in liquid separator 100 for a long time, is mixed again with distilled water, formation is difficult to The mixture of separation influences the quality of the distilled water of the discharge in second chamber 104.Meanwhile by using in the embodiment Pumpback control method, being capable of pumpback has been separated from condensed fluid as few as possible distillation in pumpback suspended matter Water improves the treatment effeciency of liquid separator.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (9)

1. a kind of liquid separator, which is characterized in that including shell (101), partition board (102) and the first porous aggregate (105), institute It states partition board (102) to be set in the shell (101), the shell (101) is divided into first chamber (103) and second chamber (104), first chamber (103) bottom is connected to the second chamber (104) bottom, first porous aggregate (105) It is filled in the connectivity part of the first chamber (103) bottom and the second chamber (104) bottom.

2. liquid separator according to claim 1, which is characterized in that be equipped with the first liquid in the first chamber (103) Level sensor (106) is equipped with the second liquid level sensor (107), first liquid level sensor in the second chamber (104) (106) setting height is higher than second liquid level sensor (107)；It is also communicated with first time in the first chamber (103) Take out pipeline (108) and the second pumpback pipeline (109), the height of the pump orifice (1081) of the first pumpback pipeline is less than described the The height of one liquid level sensor (106), and it is greater than or equal to the height of second liquid level sensor (107), described second The height of the pump orifice (1091) of pumpback pipeline is less than the height of second liquid level sensor (107).

3. liquid separator according to claim 1, which is characterized in that further include being connected to the first chamber (103) Diffuser (110), the caliber of the diffuser one end (111) is more than the caliber of the other end (112), and one end that caliber is big (111) it is connect with the first chamber (103).

4. liquid separator according to claim 3, which is characterized in that diffuser (110) inner top is connected with One baffle (113) has gap (116) between first baffle (113) bottom end and the diffuser (110) bottom.

5. liquid separator according to claim 4, which is characterized in that diffuser (110) inner top is also connected with Second baffle (114) has gap (116), institute between second baffle (114) bottom end and the diffuser (110) bottom It states and is filled with the second porous aggregate (115) in the diffuser between first baffle (113) and the second baffle (114).

6. according to claim 3-5 any one of them liquid separators, which is characterized in that the caliber of the diffuser (110) It is gradually reduced by one end (111) to the other end (112).

7. according to claim 3-5 any one of them liquid separators, which is characterized in that the diffuser (110) includes extremely Few straight-run of pipe (117) and at least one section of inclined tube (118), the straight tube (117) connect with the inclined tube (118) interval, and The bore of the bore of described inclined tube (118) one end and the straight tube (117) of connection adjacent thereto with it is identical.

8. a kind of MVR vapo(u)rization systems, including MVR evaporators (200), vapour compression machine (500) and claim 1-7 are any Liquid separator (100) described in；

The tube side (201) of the MVR evaporators (200) is connected to the air inlet of the vapour compression machine (500), and the MVR steams The shell side (202) of hair device (200) is connected to the gas outlet of the vapour compression machine (500), and MVR evaporators (200) go out Liquid mouth (203) is connected to the first chamber (103) of the liquid separator (100)；

Be provided with intake (120) in the second chamber (104) of the liquid separator (100), the intake (120) with it is described The air inlet of vapour compression machine (500) is connected to.

9. a kind of MVR vapo(u)rization systems, which is characterized in that including MVR evaporators (200), vapour compression machine (500) and right It is required that 1-7 any one of them liquid separator (100)；

The tube side (201) of the MVR evaporators (200) is connected to the air inlet of the vapour compression machine (500), and the MVR steams The shell side (202) of hair device (200) is connected to the gas outlet of the vapour compression machine (500), and MVR evaporators (200) go out Liquid mouth (203) is connected to the first chamber (103) of the liquid separator (100)；

The the first pumpback pipeline (108) and the second pumpback pipeline (109) of the liquid separator (100) are evaporated with the MVR The tube side (201) of device (200) is connected to.