CN203306506U - Pneumatic duplex storage tank dehydration controller - Google Patents
Pneumatic duplex storage tank dehydration controller Download PDFInfo
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- CN203306506U CN203306506U CN2013203209819U CN201320320981U CN203306506U CN 203306506 U CN203306506 U CN 203306506U CN 2013203209819 U CN2013203209819 U CN 2013203209819U CN 201320320981 U CN201320320981 U CN 201320320981U CN 203306506 U CN203306506 U CN 203306506U
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- storage tank
- pneumatic
- sedimentation water
- water store
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Abstract
The utility model provides a pneumatic duplex storage tank dehydration controller, which belongs to the field of storage tank equipment in chemical industry. The pneumatic duplex storage tank dehydration controller is characterized in that a drain valve (71) is an air open valve, one side of the drain valve (71) is provided with an air closed valve (72) in series, a liquid level linkage device (5) extends out of the side wall of a settlement water storage tank (1) and is movably connected with a valve control device (4) which is arranged at the outer part of the settlement water storage tank (1) through a rotating shaft (6), and the valve control device (4) is connected with the drain valve (71) and the air closed valve (72) and is capable of enabling the drain valve (71) to be opened for draining or enabling the air closed valve (72) to be closed for preventing water or medium from flowing out according to the height of liquid level in the settlement water storage tank (1). The pneumatic duplex storage tank dehydration controller can be used for realizing automatic dehydration of a storage tank and improving the working efficiency, and has a good sealing effect, medium leakage can be completely eradicated, and the life security of workers and the environment are protected.
Description
Technical field
Pneumatic duplex storage tank dehydration controller, belong to chemical industry storage tank equipment field, is specifically related to a kind of storage tank dehydration controller.
Background technology
Storage tank is the requisite equipment of chemical industry, and along with the fast development of chemical industry, the storage tank dewatering type under prior art can't adapt to Production requirement gradually due to himself structural limitations, wherein is mainly manifested in the following aspects:
1, chemical industry producer still adopts the artificial dehydrating operations of storage tank greatly, and not only labour intensity is large, and inefficiency, also there is Some Enterprises to adopt the automatic dewatering unit of fuel bowl, also can reach the automatic dehydration effect, but the volume that float must design is larger, make the larger ability of buoyancy pull-up valve shaft, open valve, total is heavier, and the phenomenon of the valve of not opening while having, a kind of automatic dewatering device for storage tank is also arranged under prior art, this automatic dewatering device for storage tank can be realized automatic dehydration, but this automatic dewatering device for storage tank only is provided with a sluicing valve and is arranged in the sedimentation water store tank, longevity of service easily stops up, and the shortcomings such as inconvenient are cleared up in existence, can't meet and produce efficiently, the fast speed demand, more serious is some package unit, owing to being arranged on the sedimentation water store tank, is easy to cause the foreign matter in device, welding slag for example, and iron filings etc. make the valve bad sealing, thereby cause dielectric leakage, cause industrial accident.
2, existing automatic storage tank dewatering device sealing property is bad, easily causes medium in storage tank to reveal discharge, not only causes wastage of material but also, to environment, simultaneously the workman is brought to larger potential safety hazard, can not meet safety, green demand of producing.
3, dehydration plant can't be realized dual interlock, misprints water in the situation that valve damages easily to cause, and hinders and produces, and causes shut-down (breakdown) mainteance, reduces production efficiency.
4,, when the dirt blocking pipe, exist maintenance loaded down with trivial details, the problem that the dredging cleaning is difficult.
So a kind of degree of automation of present stage design is high, good seal performance, production safety, overhauling storage tank dehydration control apparatus easily becomes the urgent task that the scientific research personnel faces.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide that a kind of degree of automation is high, good seal performance, production safety, maintenance is pneumatic duplex storage tank dehydration controller easily.
The technical scheme that its technical matters that solves the utility model adopts is: this pneumatic duplex storage tank dehydration controller, comprise the sedimentation water store tank, the inner liquid level linkage of installing of sedimentation water store tank, sedimentation water store tank upper end one side is communicated with storage tank by the sedimentation water inlet, sedimentation water store tank top is provided with the medium back flow mouth, and bottom is provided with discharge side, and discharge side is installed sluicing valve, it is characterized in that: described sluicing valve is the air to open valve, the sluicing valve one side gas-tight valve that is installed in series; The liquid level linkage stretches out sedimentation water store tank sidewall and by rotating shaft, is flexibly connected the valve control device that is arranged on sedimentation water store tank outside, valve control device connects sluicing valve and gas-tight valve and can make respectively sluicing valve open draining according to height of liquid level in the sedimentation water store tank, or the anti-sealing of gas-tight valve closing or medium are flowed out.The Main Function of rotating shaft is exactly that the high-pressure section of medium and extraneous low-pressure section are isolated and the corner displacement that the power that the high-pressure section ball float is experienced converts rotating shaft to is sent to low-pressure section.
Described valve control device is by high interface pneumatic changeover valve, low interface pneumatic changeover valve, the instrument air filtering pressure reducing valve, compensating bar, balance weight, servo-actuated lever and corresponding instrument air pipeline form, compensating bar and servo-actuated lever are fixed on low pressure termination the locking of rotating shaft simultaneously, balance weight is arranged on compensating bar and can slides, high interface pneumatic changeover valve and low interface pneumatic changeover valve are arranged on respectively the free end both sides of servo-actuated lever, the instrument air filtering pressure reducing valve is respectively high interface pneumatic changeover valve by the instrument air pipeline and low interface pneumatic changeover valve provides the driving source of the gas, high interface pneumatic changeover valve is connected respectively with low interface pneumatic changeover valve and drives sluicing valve and gas-tight valve works alone.
Servo-actuated lever can change and the lifting displacement with the corner of the low pressure termination of rotating shaft.The instrument air filtering pressure reducing valve is that the object to the impurity existed in instrument wind and particulate filters, and reduces bleed pressure, and bleed pressure is controlled in stable range of pressure, and the protection parts are normally used and increase the service life.
The setting of compensating bar and bob-weight is when because of certain reason, causing that the density of medium changes a lot, adjust the position of bob-weight on compensating bar and just can change the variation of the suffered certain buoyancy of ball float, do not need to open the counterweight again that upper cover carries out ball float, eliminate more easily Media density because of the caused error of the fluctuation of variation of ambient temperature and Media density.
Preferably, described valve control device outside is provided with guard box.
Described liquid level linkage comprises ball float and buoyancy lever, and the ball float movable upper end connects buoyancy lever termination, and another termination of buoyancy lever is stretched into sealed chamber inside and is flexibly connected rotating shaft.Ball float is according to height of liquid level and lifting, and drives buoyancy lever and rotating shaft generation angular transposition.
Described liquid level linkage stretches out sedimentation water store tank side-walls and is provided with sealed chamber, sealed chamber is cylindrical shape or square, be welded on sedimentation water store tank sidewall, the perforate of sealed chamber outer wall, rotating shaft is stretched out in hole, the rotating shaft outside is provided with seal sleeve, and the seal sleeve two ends are all combined sealing and revealed to prevent medium and water with sealing nut by gland packing.Sealing nut gland packing is compressed and make rotating shaft and seal sleeve between gap-free sealed.
Preferably, on described sealed chamber end and sidewall, be equipped with openable capping.When being sealed on sealing, can also when product is installed and overhaul, carrying out more easily the adjustment of buoyancy lever arm of force size and fix.
Preferably, described sluicing valve and gas-tight valve are pneumatic ball valve.Selecting of ball valve, take full advantage of large cut-out power and the quick action of ball valve to material, guaranteed to make the switch of valve freely within the extremely short time, in the situation that impurity is arranged in material, also not producing any impact to the switch of valve.
Described discharge side one side is installed a manual blowoff valve, and the discharge side lowermost end is provided with pollution discharging plug.Manual drain valve is auxiliary dewatering device, opens pollution discharging plug and can dredge cleaning to the sedimentation water store tank.
Compared with prior art, the beneficial effect that has of the utility model is:
1, realize storage tank dehydration control automatically, remove manual operation, increase work efficiency: when ball float rises to certain position gradually along with the interface of water and medium, drive buoyancy lever and rotating shaft generation angular transposition, servo-actuated lever rises and touches high interface pneumatic changeover valve to air to open valve bleed pressure, the air to open valve open, water in storage tank discharges, the state that is in out because not experiencing bleed pressure of gas-tight valve now, can not affect the discharge of sedimentation water, when the water in the sedimentation water store tank is discharged into certain water level, follow-up connecting rod descends can't touch high interface pneumatic changeover valve, cut off bleed pressure, the air to open valve runs out of steam and automatically closes, the continuation of anti-sealing is discharged.
2, realize water isolating seal and sealed chamber sealing double seal, good seal performance, prevent the medium leakage, protection personnel personal safety, protection of the environment: when cutting off draining, water level in the sedimentation water store tank accumulates sedimentation water again on the basis at this interface, sedimentation water automatic-discharging again when reaching certain interface, go round and begin again like this, in the sedimentation water store tank, always keep certain water level, accomplish good water isolating seal, chemical medium reaches the position of discharge port never, has stopped the possibility that medium effluxes; In sealed chamber, gland packing is combined sealing with sealing nut simultaneously, and assurance water and medium are not revealed, and realize double seal.
3, double valves is controlled, safety performance is higher: discharge side is installed air to open valve and gas-tight valve simultaneously, when the air to open valve receives the draining signal, when valve open carries out draining, the gas-tight valve that is contained in back is in the state of unlatching always because not receiving closing signal, do not affect passing through of draining, when because the reasons such as valve damage cause the air to open valve closing do not go up or be not closed completely, while causing the interior interface of sedimentation water store tank to continue to descend, the gas-tight valve of back receives the pressure signal of valve-off and closes, stopping sedimentation water continues to discharge, guaranteed the water cross section that has all the time certain altitude in the sedimentation water store tank, stoped the outflow of medium, improve safety.
4, maintenance easy to clean: the setting of manual drain valve, can when maintenance or commissioning device, carry out the discharge medium material, the setting of pollution discharging plug, can, when impurity is too much, clear up dirt easily.
5, a whole set of controller is arranged on sedimentation water store tank outside, not with medium contact, has stopped medium pollution or leakage from root, effectively guarantees safety in production, and safety factor is high, guarantees that safety of workers and environment are not contaminated.
The accompanying drawing explanation
Fig. 1 is this pneumatic duplex storage tank dehydration controller system connection diagram.
Fig. 2 is sealed chamber inner structure schematic diagram.
Fig. 3 is the valve control device structural representation.
Wherein: 1, sedimentation water store tank 11, sedimentation water inlet 12, medium back flow mouth 13, discharge side 2, storage tank 3, sealed chamber 31, seal sleeve 32, gland packing 33, sealing nut 4, valve control device 41, high interface pneumatic changeover valve 42, low interface pneumatic changeover valve 43, instrument air filtering pressure reducing valve 44, compensating bar 45, balance weight 46, servo-actuated lever 47, guard box 5, liquid level linkage 51, ball float 52, buoyancy lever 6, rotating shaft 71, sluicing valve 72, gas-tight valve 73, manual drain valve 74, pollution discharging plug.
The specific embodiment
Fig. 1 ~ 3rd, most preferred embodiment of the present utility model, be described further below in conjunction with 1 ~ 3 pair of the utility model of accompanying drawing.
With reference to accompanying drawing 1: pneumatic duplex storage tank dehydration controller, comprise sedimentation water store tank 1, sedimentation water store tank 1 comprises the capping on top and the tank body of bottom, capping and tank body seal and are installed together by bolted.Sedimentation water store tank 1 upper end one side is communicated with storage tank 2 by sedimentation water inlet 11, and sedimentation water store tank 1 top is provided with medium back flow mouth 12, and bottom is provided with discharge side 13.
The inner liquid level linkage 5 of installing of sedimentation water store tank 1, sedimentation water store tank 1 sidewall is communicated with installs a sealed chamber 3, the outside mounted valve control setup 4 of sedimentation water store tank 1, discharge side 13 places be installed in series sluicing valve 71 and gas-tight valve 72; Liquid level linkage 5 is flexibly connected rotating shaft 6; rotating shaft 6 is stretched out and connection valve controlling device for doors 4 from sealed chamber 3; liquid level linkage 5 can send different instruction to valve control device 4 according to the interior liquid level difference of sedimentation water store tank 1; valve control device 4 can be controlled sluicing valve 71 and the independent switching of gas-tight valve 72, and valve control device 4 outsides are provided with guard box 47.
The specific embodiment is as follows, and discharge side 13 belows are a four-way pipeline, and upper opening is communicated with discharge side 13, and lower openings is provided with pollution discharging plug 74, left side horizontal opening be installed in series sluicing valve 71 and gas-tight valve 72, and the right side horizontal opening is installed manual drain valve 73.
Valve control device 4 is comprised of high interface pneumatic changeover valve 41, low interface pneumatic changeover valve 42, instrument air filtering pressure reducing valve 43, compensating bar 44, balance weight 45, servo-actuated lever 46 and corresponding instrument air pipeline.Compensating bar 44 and servo-actuated lever 46 are fixed on low pressure termination the locking of rotating shaft 6 simultaneously, balance weight 45 is arranged on compensating bar 44 and can slides, high interface pneumatic changeover valve 41 and low interface pneumatic changeover valve 42 are arranged on respectively the free end of servo-actuated lever 46, instrument air filtering pressure reducing valve 43 is respectively high interface pneumatic changeover valve 41 by the instrument air pipeline and low interface pneumatic changeover valve 42 provides the driving source of the gas, and high interface pneumatic changeover valve 41 is connected respectively with low interface pneumatic changeover valve 42 and drives sluicing valve 71 and gas-tight valve 72 works alone.Wherein, sluicing valve 71 is the air to open valve, and sluicing valve 71 and gas-tight valve 72 are all selected pneumatic ball valve, and manual drain valve 73 is selected manual ball valve, and sluicing valve 71 connects high interface pneumatic changeover valve 41, and gas-tight valve 72 connects low interface pneumatic changeover valve 42.
Sealed chamber 3 is cylindrical shape or square, is equipped with openable capping on sealed chamber 3 ends and sidewall.Sealed chamber 3 is welded on sedimentation water store tank 1 sidewall, sealed chamber 3 outer wall perforates, and rotating shaft 6 is stretched out in hole, and rotating shaft 6 outsides are provided with seal sleeve 31, and seal sleeve 31 two ends are all combined sealing and are revealed to prevent medium and water with sealing nut 33 by gland packing 32.When sealing is installed, sealing nut 33 compresses gradually, and gland packing 32, in the interior generation deformation of seal sleeve 31, reduces until very close to each other gap between seal sleeve 31 and rotating shaft 6 gradually, reach the effect of sealing, high-pressure section and outside in sedimentation water store tank 1 are isolated.
Principle of work and process are as follows:
1, storage tank 2 is in the process of charging, always there is one of part water and steam to enter, sedimentation water store tank 1 is full of light substance simultaneously, along with the reduction of temperature and the prolongation of time, the condensed water of water and steam separates with medium gradually, the interface that forms sedimentation water and medium exists, and due to the density of water, is greater than the density of medium, and water just has been deposited to the bottom of storage tank 2.
2, when the interface of the sedimentation water in storage tank 2 and medium reaches sedimentation water inlet 11 place of storage tank 2 and sedimentation water store tank 1, sedimentation water can enter gradually sedimentation water store tank 1 and store, medium in sedimentation water store tank 1 is because water enters, and isopyknic light substance will be taken over and seal upper part of the cover medium back flow hole 12 by material and be back in storage tank 2.
3, the water in sedimentation water store tank 1 is in the process of accumulating, the interface of water and medium is in continuous rising, the ball float 51 of measuring the position, boundary is always in the interface of medium and water, when on interface, rising, ball float 51 also rises, and the buoyancy of ball float 51 impressions by the amplification of buoyancy lever 52, sends the power of experiencing ball float 51 to rotating shaft 6 in sealed chamber 3, the mobile terminal of buoyancy lever 52 is connected with ball float 51, and the keyed end of buoyancy lever 52 is locked in the lock hole of rotating shaft 6 high-pressure sides.
4, rotating shaft 6 displacement that the ball floats 51 that detect are fluctuated with interface converts the corner displacement of rotating shaft 6 to, is sent on the valve control device 4 at low pressure position.
5, an end of compensating bar 44 and servo-actuated lever 46 is locked in the low tension terminal of rotating shaft 6, on the free-ended both sides of servo-actuated lever 46, mechanical high interface pneumatic changeover valve 41 and low interface pneumatic changeover valve 42 are housed respectively, respectively as the signal pressure of experiencing high interface He Di interface signal output switch valve, when servo-actuated lever 46 rises, when high interface pneumatic changeover valve 41 is experienced the pressure at high interface, to sluicing valve 71 output start signal, sluicing valve 71 is opened and draining, when interface descends, the power of high interface pneumatic changeover valve 41 impressions is also less, when impression during less than the buoyancy of ball float 51, high interface pneumatic changeover valve 41 has just cut off the signal pressure of Open valve, sluicing valve 71 is closed less than pressure signal because of impression, cut off draining, water level in sedimentation water store tank 1 just accumulates sedimentation water again on the basis at this interface, sedimentation water automatic-discharging again when reaching certain interface, go round and begin again like this, in sedimentation water store tank 1, always keep certain water level, accomplish good water isolating seal, chemical medium reaches the position of discharge side 13 never, stopped the possibility that medium effluxes.When because the reasons such as valve damage cause sluicing valve 71 do not close or be not closed completely, while causing the interior interface of sedimentation water store tank 1 to continue to descend, the gas-tight valve 72 of back receives the pressure signal of valve-off and closes, stopping sedimentation water continues to discharge, guaranteed the water cross section that has all the time certain altitude in sedimentation water store tank 1, stop the outflow of medium, improved safety.
6, manual drain valve 73 is in maintenance or carry out the use of discharge medium material during commissioning device, and dredging pollution discharging plug 74 is when because certain reason causes impurity too much, and sluicing valve 71 and gas-tight valve 72 are discharged in the time of freely need to not clearing up dirt and used.
The above, it is only preferred embodiment of the present utility model, be not the utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away from, to any simple modification, equivalent variations and remodeling that above embodiment does, still belong to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (8)
1. pneumatic duplex storage tank dehydration controller, comprise sedimentation water store tank (1), the inner liquid level linkage (5) of installing of sedimentation water store tank (1), sedimentation water store tank (1) upper end one side is communicated with storage tank (2) by sedimentation water inlet (11), sedimentation water store tank (1) top is provided with medium back flow mouth (12), bottom is provided with discharge side (13), discharge side (13) is installed sluicing valve (71), it is characterized in that: described sluicing valve (71) is the air to open valve, sluicing valve (71) the one sides gas-tight valve (72) that is installed in series; Liquid level linkage (5) stretches out sedimentation water store tank (1) sidewall and is flexibly connected and is arranged on the outside valve control device (4) of sedimentation water store tank (1) by rotating shaft (6), valve control device (4) connects sluicing valve (71) and gas-tight valve (72) and can make respectively sluicing valve (71) open draining according to the interior height of liquid level of sedimentation water store tank (1), or makes gas-tight valve (72) close anti-sealing or medium outflow.
2. pneumatic duplex storage tank dehydration controller according to claim 1, it is characterized in that: described valve control device (4) is by high interface pneumatic changeover valve (41), low interface pneumatic changeover valve (42), instrument air filtering pressure reducing valve (43), compensating bar (44), balance weight (45), servo-actuated lever (46) and corresponding instrument air pipeline form, compensating bar (44) and servo-actuated lever (46) are fixed on low pressure termination the locking of rotating shaft (6) simultaneously, balance weight (45) is arranged on compensating bar (44) and can slides, high interface pneumatic changeover valve (41) and low interface pneumatic changeover valve (42) are arranged on respectively the free end both sides of servo-actuated lever (46), instrument air filtering pressure reducing valve (43) is respectively high interface pneumatic changeover valve (41) by the instrument air pipeline and low interface pneumatic changeover valve (42) provides the driving source of the gas, high interface pneumatic changeover valve (41) is connected respectively with low interface pneumatic changeover valve (42) and drives sluicing valve (71) and gas-tight valve (72) works alone.
3. pneumatic duplex storage tank dehydration controller according to claim 1 and 2, it is characterized in that: described valve control device (4) outside is provided with guard box (47).
4. pneumatic duplex storage tank dehydration controller according to claim 1, it is characterized in that: described liquid level linkage (5) comprises ball float (51) and buoyancy lever (52), ball float (51) movable upper end connects buoyancy lever (52) termination, and another termination of buoyancy lever (52) is stretched into sealed chamber (3) inside and is flexibly connected rotating shaft (6).
5. according to the described pneumatic duplex storage tank dehydration controller of claim 1 or 4, it is characterized in that: described liquid level linkage (5) stretches out sedimentation water store tank (1) side-walls and is provided with sealed chamber (3), sealed chamber (3) is cylindrical shape or square, be welded on sedimentation water store tank (1) sidewall, sealed chamber (3) outer wall perforate, rotating shaft (6) is stretched out in hole, rotating shaft (6) outside is provided with seal sleeve (31), and seal sleeve (31) two ends are all combined sealing and revealed to prevent medium and water with sealing nut (33) by gland packing (32).
6. pneumatic duplex storage tank dehydration controller according to claim 5, is characterized in that: be equipped with openable capping on described sealed chamber (3) end and sidewall.
7. pneumatic duplex storage tank dehydration controller according to claim 1 and 2, it is characterized in that: described sluicing valve (71) and gas-tight valve (72) are pneumatic ball valve.
8. pneumatic duplex storage tank dehydration controller according to claim 1, it is characterized in that: described discharge side (13) one sides are installed manual blowoff valves (73), and discharge side (13) lowermost end is provided with pollution discharging plug (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203209819U CN203306506U (en) | 2013-06-05 | 2013-06-05 | Pneumatic duplex storage tank dehydration controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203209819U CN203306506U (en) | 2013-06-05 | 2013-06-05 | Pneumatic duplex storage tank dehydration controller |
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| Publication Number | Publication Date |
|---|---|
| CN203306506U true CN203306506U (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203209819U Expired - Lifetime CN203306506U (en) | 2013-06-05 | 2013-06-05 | Pneumatic duplex storage tank dehydration controller |
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| Country | Link |
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| CN (1) | CN203306506U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274137A (en) * | 2013-06-05 | 2013-09-04 | 李佳鑫 | Pneumatic double-storage-tank drainage controller |
| CN104709621A (en) * | 2015-03-17 | 2015-06-17 | 张建臣 | Liquid laminar flow processor |
-
2013
- 2013-06-05 CN CN2013203209819U patent/CN203306506U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274137A (en) * | 2013-06-05 | 2013-09-04 | 李佳鑫 | Pneumatic double-storage-tank drainage controller |
| CN103274137B (en) * | 2013-06-05 | 2014-12-24 | 李佳鑫 | Pneumatic double-storage-tank drainage controller |
| CN104709621A (en) * | 2015-03-17 | 2015-06-17 | 张建臣 | Liquid laminar flow processor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20141224 |
|
| RGAV | Abandon patent right to avoid regrant |