CN101293156A - Intelligently balancing liquid-discharge system of vacuum filtration machine - Google Patents
Intelligently balancing liquid-discharge system of vacuum filtration machine Download PDFInfo
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- CN101293156A CN101293156A CNA2008100137704A CN200810013770A CN101293156A CN 101293156 A CN101293156 A CN 101293156A CN A2008100137704 A CNA2008100137704 A CN A2008100137704A CN 200810013770 A CN200810013770 A CN 200810013770A CN 101293156 A CN101293156 A CN 101293156A
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Abstract
The invention relates to an intelligent balance draining device, applying to a device utilizing vacuum for a solid-liquid separation. In an intelligent balance draining system of a vacuum filter, a vacuum pump 8 is connected with a port on an upper end of a draining tank 7 by a hose 9; the port on a side face of the draining tank is connected with a vacuum filter 3, which constitutes a steady vacuum system; the invention is characterized in that the intelligent balance draining system comprises an energy saving auxiliary draining system; a filtrate pump 4 is connected with the draining tank 7 by a pipeline; another end of the filtrate pump 4 is connected with an automatic drain valve 1 by the pipeline; the automatic drain valve 1 is connected with a gas nipple 6 on the draining tank by a hose 5. The invention has the following advantages: 1. the sealing effectiveness is good, which guarantees the stability of the vacuum system and reduces the energy consumption of the vacuum pump; 2. a fluid level gauge is not needed to measure the liquid level; depending on the auxiliary draining system, the liquid level is measured; and the height of the automatic valve port and the filtrate pump body is controlled; the liquid is always in the pump, which can not lead the pump start up without the liquid and saves the production cost of the auxiliary draining system; 3. the structure is simple, thereby reducing the maintenance cost and decreasing the labour intensity; 4. the mounting height is not required, thereby saving the construction cost of factory buildings.
Description
Technical field
The present invention relates to a kind of novel intelligent balancing liquid-discharge device in a kind of vacuum dewatering apparatus, be applied in and utilize vacuum to carry out the equipment of Separation of Solid and Liquid, specifically is exactly the pumping equipment of negative pressure.Belong to the vacuum filter technical field.
Background technology
Vacuum filter utilizes negative pressure solid and fluid separation applications by filter medium.In the work, solid and liquid are adsorbed to the filter medium surface simultaneously, solid particle is trapped within the filter medium surface, liquid passes filter medium and enters band negative-pressure pipeline and Drainage tank, because Drainage tank is to be connected with vavuum pump, utilize the suction of vavuum pump to form negative pressure, make vacuum system and extraneous formation pressure differential, thereby reach the purpose of filtration.
The following dual mode of general employing carries out discharge opeing in the vacuum discharge opeing is used: a kind of mode is to rely on the switching between atmosphere transfer valve and the vacuum transfer valve to realize automatic drain, when Drainage tank communicates with atmosphere, the inside and outside no pressure differential of Drainage tank, the discharge opeing pot liquid is discharged by self gravitation, switch to the vacuum transfer valve after having arranged again, automatic drain can reduce the vacuum of entire equipment, causes the operation that equipment can not be more stable; Another kind of mode is to need the filtrate pump discharge opeing, and the suction of filtrate pump is greater than the negative pressure in the Drainage tank, can extract the liquid in the Drainage tank out, and the filtrate pump that required power and lift are all bigger just can reach good suction filtration effect like this.
Present vacuum dewatering apparatus needs stable filtration, in order to avoid vacuum influences filter effect inadequately, makes filter cake moisture can not reach the effect of production coideal, thereby needs to increase the rate of air sucked in required and the power of vacuum, has increased energy consumption.
At present vacuum dewatering system relies on the system of filtrate pump discharge opeing, a kind ofly relies on stopping of filtrate pump to control discharge opeing, has influenced the service life of filtrate pump like this, and system's filtrate pump can not continuous operation.Another kind is to rely on the two position of liquid level gauge to detect to control operated pneumatic valve, has increased use cost and maintenance cost.
Summary of the invention
The present invention is directed to the instability of the said equipment vacuum system and bigger energy consumption problem, a kind of more stable vacuum system that both kept is provided, can cut down the consumption of energy again and manufacturing cost, thereby reach the intelligently balancing liquid-discharge system of vacuum filtration machine of reasonable filter effect.
The concrete technical solution of the present invention is as follows:
Intelligently balancing liquid-discharge system of vacuum filtration machine of the present invention utilizes constant voltage to be communicated with principle, and detected pressures is poor automatically, relies on the automatic drain valve to open discharge opeing automatically, need not servicing unit such as liquid level gauge and detects liquid level and transmit signal, the discharge opeing of control filtrate pump.
Intelligently balancing liquid-discharge system of vacuum filtration machine of the present invention, utilize filtrate pump to be communicated with the Drainage tank front and back, front end is connected with the Drainage tank middle and upper part with flexible pipe or pipeline, and the rear end is connected with the leakage fluid dram of Drainage tank lower end, before and after making filtrate pump liquid is arranged all, guaranteed the normal startup of pump; After filtrate pump starts, in running order always, the dependence connecting pipeline detects the pressure between automatic drain valve and the adapter automatically, reach the purpose of automatic drain, size according to the flow design automatic drain valve of discharge opeing, guarantee that the automatic drain valve relies on water seal in the discharge opeing process, not having gas enters in the vacuum system, make whole vacuum system be in stable operating conditions, can not influence the variation of system vacuum degree, make equipment reach desirable discharging effect, a manual or automatic valve is installed between filtrate pump and automatic drain valve, regulate flow, make it reach more stable discharge opeing effect.
In the intelligently balancing liquid-discharge system of vacuum filtration machine of the present invention, vavuum pump 8 is connected by flexible pipe 9 with the interface of Drainage tank 7 upper ends, Drainage tank 7 side interfaces are connected with vacuum filter 3, form a stable vacuum system, special character is, comprise an energy-conservation auxiliary drainage system, filtrate pump 4 one ends of energy-conservation auxiliary drainage system are connected with Drainage tank 7 by pipeline, the other end is connected with selfdraining valve 1 by pipeline, selfdraining valve 1 is connected with valve 6 on the Drainage tank 7 by flexible pipe 5, forms an auxiliary drainage system.
On the pipeline between filtrate pump 4 and the selfdraining valve 1, install one manually or automatic valve 2 regulate fluid flow, strengthened the stability of intelligent balance drainage system discharge opeing;
Described automatic valve 1 comprises valve plate 10, valve plate can freely be opened by gravity, pull of vacuum, impact force of water flow, valve plate 10 connects seal gasket 15, compress seal gasket 15 by strap 16, compress with bolt 11 and nut 12, valve plate supports 14 and connects support valve plate 10, makes it be active state, can freely rotate.During imbibition, drainage system forms negative pressure, and seal gasket 15 tightly is adsorbed on automatic drain mouth 13, form sealing, discharge opeing when filtrate pump 4 starts is when discharge opeing pressure during greater than external atmospheric pressure, seal gasket 15 and automatic drain mouth 13 break away from, and reach the purpose of automatic drain;
The setting height(from bottom) difference of described filtrate pump 4 and Drainage tank 7 can narrow down to 0-1 rice, also can be according to the needs of installing, and the setting height(from bottom) difference is between 1～10 meter;
The height of described selfdraining valve 1 is higher than the pump housing height of filtrate pump 4;
Described filtrate pump 4 is selected the frequency control filtrate pump for use, can adjust the flow and the lift of filtrate pump.
During work, the material that needs to filter adds in the vacuum filter 3, vavuum pump 8 unlatching work, Drainage tank 7 and with vacuum filter 3 between pipeline formation vacuum, make its filter medium surfaces externally and internally form pressure differential at vacuum filter, solid is attracted to the filter medium surface, and liquid passes through filter medium, enter into Drainage tank 7, filtrate pump 4 unlatching work, the flow of adjusting filtrate pump 4, the liquid in the Drainage tank 7 is discharged through filtrate pump 4, begin is that gas in the filtrate pump 4 enters into Drainage tank 7 through flexible pipe 5, liquid more after filtration liquid pump 4 discharge, the pressure of the liquid of discharging when filtrate pump 4 is at the pressure at selfdraining valve 1 place during greater than external atmospheric pressure, selfdraining valve 1 is opened, liquid flows out by selfdraining valve 1, and according to the pore size of filtrate pump 4 flow rate calculation selfdraining valves 1, liquid becomes spray regime, gas can not enter in the vacuum system, can not influence the operate as normal of whole vacuum system.In the course of work, selfdraining valve 1 exit, with the rubber cushion sealing, under the atmospheric effect in the external world, the valve of selfdraining valve 1 is compacted, does not have blank phenomenon and takes place.
The present invention has stablized vacuum system when cutting down the consumption of energy, make the material of filtration reach desirable effect, when reaching same effect, than the cost of other drainage systems saving 20%.
Present vacuum dewatering apparatus needs stable filtration, in order to avoid vacuum influences the effect of filtration inadequately, make filter cake moisture can not reach the effect of production coideal, thereby need to increase the rate of air sucked in required and the power of vacuum, increased energy consumption, intelligent balance pumping equipment of the present invention relies on fluid-tight and automatic valve plate, has stablized vacuum system, saves energy consumption.The filtrate pump continuous operation has reduced use cost and maintenance cost.
Intelligently balancing liquid-discharge system of vacuum filtration machine of the present invention does not have the setting height(from bottom) requirement, installs at grade with equipment, has saved the workshop building cost.
Description of drawings
Fig. 1: the equipment of intelligently balancing liquid-discharge system of vacuum filtration machine and pipeline connect and gas-liquid flows to;
Fig. 2: selfdraining valve structural representation;
Fig. 3: the A-A cutaway view of Fig. 2 automatic drain valve arrangement;
Among the figure, 1, selfdraining valve, 2, manual (automatically) valve, 3, vacuum filter, 4, filtrate pump, 5, flexible pipe, 6, valve, 7, Drainage tank, 8, vavuum pump, 9, flexible pipe, 10, valve plate, 11, bolt, 12, nut, 13, the automatic drain mouth, 14, valve plate supports, 15, seal gasket, 16, strap
The specific embodiment
Below with reference to Fig. 1, specify technical scheme of the present invention by embodiment, but the present invention is not limited to following examples.
The present embodiment intelligently balancing liquid-discharge system of vacuum filtration machine, energy-conservation auxiliary drainage system comprises vavuum pump 8, vavuum pump 8 is connected by flexible pipe with the interface of Drainage tank 7 upper ends, Drainage tank 7 side interfaces are connected with vacuum filter 3 equipment, between connecting, equipment forms a stable vacuum system, filtrate pump 4 is connected with Drainage tank 7 by pipeline, selfdraining valve 1 is connected with filtrate pump 4 by pipeline, selfdraining valve 1 is connected with valve 6 on the Drainage tank by flexible pipe 5, forms an auxiliary drainage system.
The automatic drain mouth 13 of automatic valve 1 selects different diameters to guarantee that the liquid of automatic drain mouth in whole discharge opeing process is spray regime all the time according to the different mouths of pipe of pump with lift, and gas can not enter in the pipeline, thereby has formed fluid-tight;
The valve plate 10 of automatic valve 1 connects seal gasket 15, compresses seal gasket 15 by strap 16, compresses with bolt 11 and nut 12 then, supports 14 with valve plate and supports, and makes it be active state, can freely rotate.Imbibition during beginning, because vacuum system, drainage system is a negative pressure, seal gasket 15 tightly is adsorbed on automatic drain mouth 13, form vacuum seal, discharge opeing when filtrate pump 4 starts is when discharge opeing pressure during greater than external atmospheric pressure, seal gasket 15 and automatic drain mouth 13 break away from, and have reached the purpose of automatic drain;
The material that needs to filter adds in the vacuum filter 3, vavuum pump 8 unlatching work, Drainage tank 7 and with vacuum filter 3 between pipeline formation vacuum, make its filter medium surfaces externally and internally form pressure differential at vacuum filter, solid is attracted to the filter medium surface, and liquid enters into Drainage tank 7 by filter medium.Filtrate pump 4 is opened, and regulates the flow of filtrate pump 4, and the liquid in the Drainage tank 7 is discharged through filtrate pump 4, and beginning is that gas in the filtrate pump enters into Drainage tank 7 through flexible pipe 5, liquid more after filtration liquid pump 4 discharge.The pressure of the liquid of discharging when filtrate pump 4, at the pressure at selfdraining valve 1 place during greater than external atmospheric pressure, selfdraining valve 1 is opened, liquid flows out by selfdraining valve 1, pore size according to filtrate pump 4 flow rate calculation selfdraining valves 1, make liquid become spray regime, gas can not enter in the vacuum system, can not influence the operate as normal of whole vacuum system.In the course of work, selfdraining valve 1 exit, seal with rubber cushion, under the atmospheric effect in the external world, the valve of selfdraining valve 1 is compacted, do not have blank phenomenon and take place, between filtrate pump 4 and automatic drain valve 1, install one manually or automatic valve 2 regulate fluid flow, strengthened the stability of intelligent balance drainage system discharge opeing.
The auxiliary drainage system of the novel energy-conserving of above embodiment has the following advantages:
1, accessory system good sealing effect in work and discharge opeing has guaranteed the stability of vacuum system vacuum filter to be worked normally, has reduced the energy consumption of vavuum pump like this.
2, compare with other auxiliary drainage systems, need not liquid level gauge and detect the liquid level discharge opeing, rely on auxiliary drainage system self to detect discharge opeing, need not pneumatic operated valve, controlled the height of the automatic valve doorway and the filtrate pump housing, making has liquid all the time in the pump, can not make under no liquid status to start, and has saved the production cost of auxiliary drainage system.
3, the auxiliary drainage system of novel energy-conserving is simple in structure, has reduced maintenance cost, has reduced labour intensity.
4, no setting height(from bottom) requirement is installed by this system, has saved the workshop building cost.
Claims (7)
1, intelligently balancing liquid-discharge system of vacuum filtration machine, comprise vavuum pump (8), vavuum pump (8) is connected by flexible pipe (9) with the interface of Drainage tank (7) upper end, Drainage tank (7) side interface is connected with vacuum filter (3), be characterised in that, comprise an energy-conservation auxiliary drainage system, filtrate pump (4) one ends of energy-conservation auxiliary drainage system are connected with Drainage tank (7) by pipeline, filtrate pump (4) other end is connected with selfdraining valve (1) by pipeline, and selfdraining valve (1) is connected with valve (6) on the Drainage tank (7) by flexible pipe (5).
2, according to the described intelligently balancing liquid-discharge system of vacuum filtration machine of claim 1, be characterised in that, described selfdraining valve (1) comprises valve plate (10), valve plate (10) connects seal gasket (15), compress seal gasket (15) by strap (16), compress with bolt (11) and nut (12), support (14) with valve plate and connect support valve plate (10), seal gasket (15) activity is adsorbed on automatic drain mouth (13).
3, according to the described intelligently balancing liquid-discharge system of vacuum filtration machine of claim 1, be characterised in that, a manual or automatic valve (2) of regulating fluid flow is installed on the pipeline between filtrate pump (4) and the selfdraining valve (1).
4, according to the described intelligently balancing liquid-discharge system of vacuum filtration machine of claim 1, be characterised in that, the valve plate of described selfdraining valve (1) is connected by whirligig with pipeline, and the sealing of rubber rubber cushion is arranged on the valve plate, and valve plate is freely opened by gravity, pull of vacuum, impact force of water flow.
According to the described intelligently balancing liquid-discharge system of vacuum filtration machine of claim 1, be characterised in that 5, the setting height(from bottom) difference of described filtrate pump (4) and Drainage tank (7) is a 0-10 rice.
According to the described intelligently balancing liquid-discharge system of vacuum filtration machine of claim 1, be characterised in that 6, the height of described selfdraining valve (1) is higher than the pump housing height of filtrate pump (4).
According to the described intelligently balancing liquid-discharge system of vacuum filtration machine of claim 1, be characterised in that 7, described filtrate pump (4) is selected the flow that can adjust filtrate pump and the frequency control filtrate pump of lift for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100137704A CN101293156A (en) | 2008-01-11 | 2008-01-11 | Intelligently balancing liquid-discharge system of vacuum filtration machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100137704A CN101293156A (en) | 2008-01-11 | 2008-01-11 | Intelligently balancing liquid-discharge system of vacuum filtration machine |
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| CN101293156A true CN101293156A (en) | 2008-10-29 |
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| CNA2008100137704A Pending CN101293156A (en) | 2008-01-11 | 2008-01-11 | Intelligently balancing liquid-discharge system of vacuum filtration machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103497136A (en) * | 2013-08-28 | 2014-01-08 | 晨光生物科技集团莎车有限公司 | High-vacuum continuous-draining device |
| CN108499197A (en) * | 2018-04-27 | 2018-09-07 | 中冶北方（大连）工程技术有限公司 | The double vacuum filter pumping equipments of disc type |
| CN108905340A (en) * | 2018-09-19 | 2018-11-30 | 中冶北方（大连）工程技术有限公司 | Disc filter system |
| CN110030490A (en) * | 2018-01-11 | 2019-07-19 | 苏州艾嘉亚真空科技有限公司 | A kind of oil sealing vacuum equipment |
-
2008
- 2008-01-11 CN CNA2008100137704A patent/CN101293156A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103497136A (en) * | 2013-08-28 | 2014-01-08 | 晨光生物科技集团莎车有限公司 | High-vacuum continuous-draining device |
| CN110030490A (en) * | 2018-01-11 | 2019-07-19 | 苏州艾嘉亚真空科技有限公司 | A kind of oil sealing vacuum equipment |
| CN108499197A (en) * | 2018-04-27 | 2018-09-07 | 中冶北方（大连）工程技术有限公司 | The double vacuum filter pumping equipments of disc type |
| CN108499197B (en) * | 2018-04-27 | 2024-04-02 | 中冶北方（大连）工程技术有限公司 | Liquid discharging device of disc type double-vacuum filter |
| CN108905340A (en) * | 2018-09-19 | 2018-11-30 | 中冶北方（大连）工程技术有限公司 | Disc filter system |
| CN108905340B (en) * | 2018-09-19 | 2023-10-10 | 中冶北方（大连）工程技术有限公司 | Disc filter system |
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