CN203930521U - A kind of vacuum tank pre-separator liquid-level auto-control device - Google Patents
A kind of vacuum tank pre-separator liquid-level auto-control device Download PDFInfo
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- CN203930521U CN203930521U CN201420219324.XU CN201420219324U CN203930521U CN 203930521 U CN203930521 U CN 203930521U CN 201420219324 U CN201420219324 U CN 201420219324U CN 203930521 U CN203930521 U CN 203930521U
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- Prior art keywords
- liquid
- valve
- liquid level
- level
- separating tank
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- 239000007788 liquid Substances 0.000 title claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 5
- 230000000740 bleeding effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a kind of liquid-level auto-control device of vacuum tank pre-separator, the main points of its technical scheme are the liquid level detection devices for detection of liquid level in separating tank that is included in separating tank outer setting, bottom at described separating tank is provided with drainage pipeline, on described drainage pipeline, be provided with the negative pressure pump that the water of separating tank is extracted out and the push-pull valve that regulates described drainage pipeline discharge, described push-pull valve is connected with the cylinder that drives its action, described liquid level detection device is electrically connected with the solenoid valves of controlling that push-pull valve described in described air cylinder driven is all opened or part opens to regulate described drainage pipeline discharge and then controlling liquid level in separating tank.The push-pull valve that the utility model adopts can play the effect of liquid level in the control separating tank that automatic flow control valve is identical, but cost is well below automatic flow control valve.
Description
[technical field]
The utility model relates to a kind of paper making equipment, especially relates to a kind of liquid-level auto-control device of vacuum tank pre-separator.
[background technology]
The lower felt part of paper machine felt vacuum tank need to be installed pre-separator, not to be with fluid level control device at the pre-separator that can purchase the on the market support equipment that draws water, in the time that production is stablized, its liquid level can regulate by hand valve, if but produce unstable, just there will be pre-separator find time or liquid level too high, cause vacuum system undesired, once and the undesired variation that will cause felt water percentage of vacuum system, further cause that vacuum is undesired, the circulation going round and beginning again like this, can make paper machine produce and interrupt, endanger very serious.
[utility model content]
The utility model object is to have overcome the deficiencies in the prior art, provides one can realize level stability, the reliable liquid-level auto-control device of vacuum system in vacuum tank pre-separator.
The utility model is achieved through the following technical solutions:
A kind of liquid-level auto-control device of vacuum tank pre-separator, it is characterized in that: the liquid level detection device for detection of separating tank 1 interior liquid level that is included in separating tank 1 outer setting, be provided with drainage pipeline 20 in the bottom of described separating tank 1, on described drainage pipeline 20, be provided with the negative pressure pump 7 that the water of separating tank 1 is extracted out and the flow control valve that regulates described drainage pipeline 20 discharges, described flow control valve is connected with the cylinder 9 that drives its action, described liquid level detection device is electrically connected with the described cylinder 9 of control and drives described flow control valve all to open or partly open the solenoid valves 6 to regulate described drainage pipeline 20 discharges and then control separating tank 1 interior liquid level.
The liquid-level auto-control device of vacuum tank pre-separator as above, is characterized in that: described flow control valve is push-pull valve 8.
The liquid-level auto-control device of vacuum tank pre-separator as above, it is characterized in that: described push-pull valve 8 comprises valve body 81, in described valve body 81, be provided with slide rail 82 and the flashboard 83 that is connected with described cylinder 9 and can moves along described slide rail 82, in described valve body 81, be also provided with the stop means that the described flashboard 83 of restriction moves, described stop means comprise along described slide rail 82 move and with described flashboard 83 relative to the baffle plate 84 for stoping described flashboard 83 to move, described valve body 81 is provided with top and presses the adjustment bolt 85 of described baffle plate 84.
The liquid-level auto-control device of vacuum tank pre-separator as above, is characterized in that: described liquid level detection device comprises the water receptacle 2 being connected with described separating tank 1 pipeline and inserts the fluid level transmitter 3 in water receptacle.
The liquid-level auto-control device of vacuum tank pre-separator as above, is characterized in that: described fluid level transmitter 3 is floating ball lever meter.
The liquid-level auto-control device of vacuum tank pre-separator as above, is characterized in that: described solenoid valve 6 is two-position-five-way solenoid valve.
The liquid-level auto-control device of vacuum tank pre-separator as above, it is characterized in that: described fluid level transmitter 3 is electrically connected with liquid level alarm device, described liquid level alarm device comprises liquid level superelevation relay 4 and liquid level superelevation signal lamp 15, liquid level ultra-low super electrical equipment 5 and the ultralow signal lamp 16 of liquid level by its control by its control.
The liquid-level auto-control device of vacuum tank pre-separator as above, is characterized in that: on the drainage pipeline 20 between described push-pull valve 8 and described negative pressure pump 7, be provided with and prevent that extraneous water is back to the retaining valve 10 in described separating tank 1.
The liquid-level auto-control device of vacuum tank pre-separator as above, is characterized in that: on the inlet channel of described negative pressure pump 7, be provided with the first hand valve 11.
The liquid-level auto-control device of vacuum tank pre-separator as above, is characterized in that: the connecting tube between described separating tank 1 and described fluid level transmitter 3 is provided with the second hand valve 12, is provided with blowoff valve 13 in described water receptacle 2 bottoms.
Compared with prior art, the utility model has the following advantages:
1, the utility model is being produced under normal circumstances, and push-pull valve is in complete opening, the complete conducting of the drainage pipeline of separating tank, and the water in separating tank is discharged by drainage pipeline, and its liquid level keeps mobile equilibrium.Abnormal when producing, when liquid level is ultralow, floating ball lever meter sends the ultralow alerting signal of liquid level, two-position-five-way solenoid valve obtains electric simultaneously, cylinder promotes the flashboard of push-pull valve and closes drainage pipeline, but due to stopping of baffle plate, push-pull valve is in part closed condition, the discharge that Drainage pipe is discharged is reduced, until the water level in separating tank rises to normal level, then two-position-five-way solenoid valve dead electricity again, push-pull valve is again in complete opening, avoid the gas leakage of Drainage pipe, made the vacuum tightness of separating tank be unlikely to fluctuation; In the time of liquid level superelevation, circuit sends liquid level superelevation and reports to the police, negative pressure pump water inlet hydraulic pressure increases, the corresponding increase of negative pressure pump pump-out, until liquid level is down to normal level, this device can be controlled the liquid level in separating tank automatically, thereby has guaranteed that pre-separator vacuum system is used normally and vacuum tightness is controlled.
2, the push-pull valve that the utility model adopts can play the effect of liquid level in the control separating tank identical with motor valve, but cost is well below automatic flow control valve.
[brief description of the drawings]
Fig. 1 is the structural representation of the utility model prior art;
Fig. 2 is the utility model structural representation;
Fig. 3 is the utility model hydraulic principle figure, and in figure, arrow represents source of the gas flow direction;
Fig. 4 is the utility model circuit diagram, the switch that the switch in figure in dotted line is floating ball lever meter;
Fig. 5 is the utility model push-pull valve front view;
Fig. 6 is the A-A cut-open view of the utility model Fig. 5.
In figure: 1 is separating tank; 2 is glass tube; 3 is fluid level transmitter; 4 is liquid level superelevation relay; 5 is liquid level ultra-low super electrical equipment; 6 is solenoid valve; 61 is electromagnetic valve coil; 7 is negative pressure pump; 8 is push-pull valve; 81 is valve body; 82 is slide rail; 83 is flashboard; 84 is baffle plate; 85 for adjusting bolt; 9 is cylinder; 10 is retaining valve; 11 is the first hand valve; 12 is the second hand valve; 13 is blowoff valve; 14 is liquid level normal signal lamp; 15 is liquid level superelevation signal lamp; 16 is the ultralow signal lamp of liquid level; 17 is air intake opening; 18 is bleeding point; 19 is fair water fin; 20 is drainage pipeline.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is the structural representation of prior art, in figure, on separating tank 1, be provided with the air intake opening 17 being connected with wire-cloths, separating tank 1 top is provided with the bleeding point 18 being connected with vacuum pump, bleeding point is connected with vacuum pump, vacuum pump does not draw in the drawings, separating tank 1 inside is provided with the fair water fin 19 that stops air and moisture content floating, separating tank 1 is according to the proportion difference of empty G&W, water and air is separated, depositing in water is at the bottom of tank, air is taken away by vacuum pump, is provided with the glass tube 2 being connected with pipeline on separating tank 1.As shown in Figure 1, only from glass tube 2, just can see the interior liquid level of separating tank 1, abnormal when producing, liquid level superelevation or when ultralow, can cause vacuum pump high load capacity or negative pressure pump 7 to be bled because controlling in time liquid level, causes vacuum system undesired.
Fig. 2 to Fig. 6 is the utility model vacuum tank pre-separator liquid-level auto-control device, this device is included in the liquid level detection device for detection of separating tank 1 interior liquid level of separating tank 1 outer setting, be provided with drainage pipeline 20 in the bottom of described separating tank 1, on described drainage pipeline 20, be provided with the negative pressure pump 7 that the water of separating tank 1 is extracted out and the flow control valve that regulates described drainage pipeline 20 discharges, described flow control valve is connected with the cylinder 9 that drives its action, described liquid level detection device is electrically connected with the described cylinder 9 of control and drives described flow control valve all to open or partly open the solenoid valves 6 to regulate described drainage pipeline 20 discharges and then control separating tank 1 interior liquid level.
Described negative pressure pump 7 is normally open, the damage of avoiding frequent start and stop to cause.Described water receptacle 2 can be liquid level tube, glass tube etc.Described fluid level transmitter 3 is floating ball lever meter.Described solenoid valve 6 can be two-position-five-way solenoid valve.Described drainage pipeline 20 also can be located at the bottommost of separating tank 1, and separating tank 1 use support is erected.
Described push-pull valve 8 comprises valve body 81, in described valve body 81, be provided with slide rail 82 and the flashboard 83 that is connected with described cylinder 9 and can moves along described slide rail 82, in described valve body 81, be also provided with the stop means that the described flashboard 83 of restriction moves, described stop means comprise along described slide rail 82 move and with described flashboard 83 relative to the baffle plate 84 for stoping described flashboard 83 to move, described valve body 81 is provided with the adjustment bolt 85 of the described baffle plate 84 of top pressure, flashboard 83 is opened completely in the position of fender plate 84 or part is opened, general only need adjusted once, and follow-up use is without adjusting again.
Described fluid level transmitter 3 is electrically connected with liquid level alarm device, and described liquid level alarm device comprises liquid level superelevation relay 4 and liquid level superelevation signal lamp 15, liquid level ultra-low super electrical equipment 5 and the ultralow signal lamp 16 of liquid level by its control by its control.
As shown in Figure 4, in figure, in dotted line, be each contact switch of floating ball lever meter, when normal liquid level, liquid level normal signal lamp 14 is bright, in the time of liquid level superelevation, liquid level superelevation relay 4 obtains electric, and liquid level normal signal lamp 14 extinguishes, and liquid level superelevation signal lamp 15 is bright, circuit sends liquid level superelevation signal, now negative pressure pump 7 water inlet hydraulic pressure increase, and negative pressure pump 7 increases water discharge automatically, reduce the liquid level of separating tank 1; In the time that liquid level is ultralow, liquid level normal signal lamp 14 extinguishes, liquid level ultra-low super electrical equipment 5 obtains electric, the ultralow signal lamp 16 of liquid level is bright, circuit sends the ultralow alerting signal of liquid level, electromagnetic valve coil 61 obtains electric simultaneously, push-pull valve 8 is under the promotion of cylinder 9, and flashboard 83 moves down closes drainage pipeline 20 parts, and the liquid level in separating tank 1 starts to rise, until rise to normal liquid level, now ultralow alerting signal is removed, also dead electricity of solenoid valve 6, and liquid level normal signal lamp 14 is bright, push-pull valve 8 is opened again completely, thereby has realized the automatic control of separating tank 1 liquid level.
On drainage pipeline between described push-pull valve 8 and described negative pressure pump 7, be provided with and prevent that extraneous water is back to the retaining valve 10 in described separating tank 1.
On the inlet channel of described negative pressure pump 7, be provided with in the time that negative pressure pump 7 keeps in repair for closing the first hand valve 11 of described drainage pipeline 20.
Connecting tube between described separating tank 1 and described fluid level transmitter 3 be provided with two in the time that fluid level transmitter 3 keeps in repair for closing the second hand valve 12 of described connecting tube, be provided with blowoff valve 13 in described glass tube 2 bottoms.
Claims (10)
1. the liquid-level auto-control device of a vacuum tank pre-separator, it is characterized in that: the liquid level detection device for detection of the interior liquid level of separating tank (1) that is included in separating tank (1) outer setting, be provided with drainage pipeline (20) in the bottom of described separating tank (1), on described drainage pipeline (20), be provided with the negative pressure pump (7) that the water of separating tank (1) is extracted out and the flow control valve that regulates described drainage pipeline (20) discharge, described flow control valve is connected with the cylinder (9) that drives its action, described liquid level detection device is electrically connected with the described cylinder of control (9) and drives described flow control valve all to open or partly open the solenoid valves (6) to regulate described drainage pipeline (20) discharge and then the interior liquid level of control separating tank (1).
2. the liquid-level auto-control device of vacuum tank pre-separator according to claim 1, is characterized in that: described flow control valve is push-pull valve (8).
3. the liquid-level auto-control device of vacuum tank pre-separator according to claim 2, it is characterized in that: described push-pull valve (8) comprises valve body (81), in described valve body (81), be provided with slide rail (82) and the flashboard (83) that is connected with described cylinder (9) and can moves along described slide rail (82), in described valve body (81), be also provided with the mobile stop means of the described flashboard of restriction (83), described stop means comprise along described slide rail (82) mobile and with described flashboard (83) relative to the baffle plate (84) for stoping described flashboard (83) to move, described valve body (81) is provided with the adjustment bolt (85) of the top described baffle plate of pressure (84).
4. the liquid-level auto-control device of vacuum tank pre-separator according to claim 1, is characterized in that: described liquid level detection device comprises the water receptacle (2) being connected with described separating tank (1) pipeline and inserts the fluid level transmitter (3) in water receptacle.
5. the liquid-level auto-control device of vacuum tank pre-separator according to claim 4, is characterized in that: described fluid level transmitter (3) is floating ball lever meter.
6. the liquid-level auto-control device of vacuum tank pre-separator according to claim 1, is characterized in that: described solenoid valve (6) is two-position-five-way solenoid valve.
7. the liquid-level auto-control device of vacuum tank pre-separator according to claim 4, it is characterized in that: described fluid level transmitter (3) is electrically connected with liquid level alarm device, described liquid level alarm device comprises liquid level superelevation relay (4) and liquid level superelevation signal lamp (15), liquid level ultra-low super electrical equipment (5) and the ultralow signal lamp of liquid level (16) by its control by its control.
8. the liquid-level auto-control device of vacuum tank pre-separator according to claim 3, is characterized in that: on the drainage pipeline (20) between described push-pull valve (8) and described negative pressure pump (7), be provided with and prevent that extraneous water is back to the retaining valve (10) in described separating tank (1).
9. the liquid-level auto-control device of vacuum tank pre-separator according to claim 1, is characterized in that: on the inlet channel of described negative pressure pump (7), be provided with the first hand valve (11).
10. the liquid-level auto-control device of vacuum tank pre-separator according to claim 4, it is characterized in that: the connecting tube between described separating tank (1) and described fluid level transmitter (3) is provided with the second hand valve (12), be provided with blowoff valve (13) in described water receptacle (2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420219324.XU CN203930521U (en) | 2014-04-26 | 2014-04-26 | A kind of vacuum tank pre-separator liquid-level auto-control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420219324.XU CN203930521U (en) | 2014-04-26 | 2014-04-26 | A kind of vacuum tank pre-separator liquid-level auto-control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203930521U true CN203930521U (en) | 2014-11-05 |
Family
ID=51826303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420219324.XU Expired - Lifetime CN203930521U (en) | 2014-04-26 | 2014-04-26 | A kind of vacuum tank pre-separator liquid-level auto-control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203930521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017206093A1 (en) * | 2016-06-01 | 2017-12-07 | 朱子毅 | Protective apparatus for automatic control of submersible pump, and operating method thereof |
-
2014
- 2014-04-26 CN CN201420219324.XU patent/CN203930521U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017206093A1 (en) * | 2016-06-01 | 2017-12-07 | 朱子毅 | Protective apparatus for automatic control of submersible pump, and operating method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |