CN105546171A - Breather valve on top of storage tank - Google Patents
Breather valve on top of storage tank Download PDFInfo
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- CN105546171A CN105546171A CN201610069407.9A CN201610069407A CN105546171A CN 105546171 A CN105546171 A CN 105546171A CN 201610069407 A CN201610069407 A CN 201610069407A CN 105546171 A CN105546171 A CN 105546171A
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- valve body
- valve
- inhalation
- piston
- upper valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
- F16K17/19—Equalising valves predominantly for tanks
- F16K17/196—Equalising valves predominantly for tanks spring-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Details Of Valves (AREA)
Abstract
The invention provides a breather valve on the top of a storage tank. The breather valve comprises a breather valve body, an upper valve body mechanism and a lower valve body mechanism, wherein a clean air inlet and a clean air outlet are formed in the breather valve body; the clean air outlet is connected to the top of the storage tank with the aid of a pipe; the upper valve body mechanism is arranged on the upper part of the breather valve body and comprises an upper valve body and an upper valve element which can be separated from or combined to the upper valve body; when air pressure of the upper valve element in the breather valve body is higher than a first preset threshold value, the upper valve element is separated from the upper valve body, so that high-pressure gas escapes; the lower valve body mechanism is arranged on the lower part of the breather valve body and comprises a lower valve body and a lower valve element which can be separated from or combined to the lower valve body; and when air pressure of the lower valve element in the breather valve body is lower than a second preset threshold value, the lower valve element is separated from the lower valve body, so that gas enters and balances the air pressure in the breather valve body. The breather valve on the top of the storage tank has the advantages of high precision, quick reaction speed and capability of meeting technological requirements.
Description
Technical field
The present invention relates to inhalation valve technical field, be specifically related to a kind of basin tank deck inhalation valve.
Background technique
Sanitary type basin is often used to the industries such as food fermentation, in order to prevent the sanitary type basin that in air, microorganism invades; The normal malleation clean air that need adopt is protected basin, in case the outer non-clean air of tank enters tank interior.Current sanitary type basin major part is thin walled structures, also i.e. not subjected to pressure container, can only bear very little malleation and negative pressure in tank, therefore adopts that general Direct spring loaded safety valve is more difficult to be regulated accurately.
Such as Chinese patent CN203770771U discloses a kind of positive/negative-pressure safety valve, it comprises valve body, valve seat, flap, pressure setting device, valve seat is installed in valve body inlet passage, flap is installed on valve seat outlet, pressure setting device is by setting spring, spring capping and adjusting screw composition, setting spring is installed between spring capping and the flap back side, the planar central at valve clack sealing surface place is shaped with negative pressure escape orifice, flap lower end surface near negative pressure escape orifice circumference is shaped with auxiliary-seat, secondary flap is provided with at auxiliary-seat suction side, this secondary flap is fixedly mounted on the lower end of valve rod, valve rod upper end mounting spring seat, negative pressure setting spring is installed between this spring seat and the flap back side.
Although this positive/negative-pressure safety valve can play the bidirectional modulation of malleation and negative pressure, but because it carries out regulating and controlling by means of the elastic force of spring to positive/negative-pressure, less due to can pressure be born in tank on the one hand, on the other hand in order to examine and determine the pressure change in tank comparatively accurately, when using this positive/negative-pressure safety valve, just need the spring selecting elasticity coefficient less, but in actual use, the less spring of elasticity coefficient is along with the increase of service time, its elasticity coefficient can change, and causes spring precise decreasing.On the other hand, the reactive rate of spring is comparatively slow, and especially when Long-Time Service, if do not have staff observe in time and make adjustment to spring pressure, this positive/negative-pressure safety valve is difficult to reach technological requirement.If so observe not in time aborning and make adjustment to spring pressure, be difficult to reach technological requirement.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to overcome the technological deficiency that the degree of regulation existed in storage tank safety valve of the prior art is poor, reactive rate is not easy to meet technological requirement slowly.
For solving the problems of the technologies described above, the invention provides a kind of basin tank deck inhalation valve, comprising:
Inhalation valve valve body, is provided with clean air entrance and clean air outlet, and described clean air outlet connects the tank deck of basin by pipeline;
Upper valve body mechanism, be arranged on the top of described inhalation valve valve body, it comprises upper valve body, and the upper valve core that can depart from described upper valve body or combine, described upper valve core described inhalation valve valve body internal air pressure higher than during the first predetermined threshold and described upper valve body depart from, overflow to make pressurized gas;
Lower valve body mechanism, be arranged on the bottom of described inhalation valve valve body, it comprises lower valve body, with the lower valve core that can depart from described lower valve body or combine, described lower valve core described inhalation valve valve body internal air pressure lower than during the second predetermined threshold and described lower valve body depart from, with make gas enter balance described inhalation valve valve body in air pressure.
In above-mentioned basin tank deck inhalation valve, described upper valve body mechanism also comprises the counterweight piston assembly be arranged on described upper valve body, the Action of Gravity Field of described counterweight piston assembly is on described upper valve core, to make when described inhalation valve valve body internal air pressure is lower than described first predetermined threshold, described upper valve core keeps the bonding state with described upper valve body.
In above-mentioned basin tank deck inhalation valve, described counterweight piston assembly comprises piston/cylinder, and the opening end of described piston/cylinder is provided with piston cap;
Be provided with counterweight and piston and piston rod in described piston/cylinder, described piston and piston rod two ends connect described counterweight and described upper valve core respectively.
In above-mentioned basin tank deck inhalation valve, also comprise over-pressure gas outlet, described over-pressure gas outlet is arranged in described upper valve body.
In above-mentioned basin tank deck inhalation valve, described counterweight piston assembly also comprises the adjustment balancing weight be detachably arranged in described counterweight.
In above-mentioned basin tank deck inhalation valve, described lower valve body mechanism also comprises the filtering screen be connected with described lower valve body, and after described lower valve core is upwards picked up, ambient atmos can enter in described inhalation valve valve body through described filtering screen.
In above-mentioned basin tank deck inhalation valve, also comprise wiper mechanism, described wiper mechanism comprises the cleaning solution import be arranged on described inhalation valve valve body, and is sealedly connected on the cleaning spray ball in described cleaning solution import, and described cleaning solution import is for connecting cleaning solution supplying device;
Described filtering screen is provided with shell, in described shell, forms cleaning solution recovery approach.
In above-mentioned basin tank deck inhalation valve, described wiper mechanism also comprises and backs down valve group, described in back down valve group scalable or be arranged on the below of described lower valve core movably, can promote described lower valve core and described lower valve body departs from.
In above-mentioned basin tank deck inhalation valve, described in back down valve group by Pneumatic actuator drive open or close.
In above-mentioned basin tank deck inhalation valve, described in back down valve group and comprise cylinder and by the push rod of air cylinder driven.
In above-mentioned basin tank deck inhalation valve, also comprise supervisory system, described monitoring comprises the first detecting switch and the second detecting switch that are respectively used to detect described upper valve core and lower valve core and whether depart from described upper valve body and lower valve body.
In above-mentioned basin tank deck inhalation valve, described first detecting switch is fixedly installed on the reverse position of described upper valve core off-direction, and under the bonding state of described upper valve core, described first detecting switch is disconnected, under the disengaged position of described upper valve core, described first detecting switch is switched on;
Described second detecting switch is fixedly installed on the reverse position of described lower valve core off-direction, and under the bonding state of described lower valve core, described second detecting switch is disconnected, and under the disengaged position of described lower valve core, described second detecting switch is switched on.
Technical solution of the present invention, tool has the following advantages:
1. in basin tank deck inhalation valve provided by the invention, upper valve body mechanism and lower valve body mechanism all can not make ambient atmos enter in inhalation valve valve body and tank body in normal running in setting pressure, therefore its wholesomeness compared to existing bidirectional modulation safety valve better; Secondly significant lifting is also being had in the control accuracy of air pressure and simple operation.
2. in basin tank deck inhalation valve provided by the invention, compared to existing bidirectional modulation safety valve, due to the setting of washing unit, even if Long-Time Service does not need inhalation valve to disassemble to carry out special cleaning yet, and the process of himself cleaning is very convenient, the callback course of cleaning process and cleaning solution is entirely automatically, does not need manual operation and intervention.
3. in basin tank deck inhalation valve provided by the invention, by the setting of supervisory system, make staff can long-range to tank body and breathe monitoring valves, no longer need to climb up tank deck frequently to observe inhalation valve, contribute to reducing labor intensity, increase work efficiency, and feedback is more in time with accurate.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of basin tank deck inhalation valve in embodiments of the invention 1;
Fig. 2 is the structural representation of basin tank deck inhalation valve in embodiments of the invention 2;
Fig. 3, for basin tank deck inhalation valve of the present invention is installed on sanitary type tank structural schematic diagram;
Fig. 4 is the CIP cleaning solution mobility status schematic diagram of basin tank deck inhalation valve of the present invention in cleaning process.
Description of reference numerals:
10-inhalation valve valve body; 11-clean air entrance; 12-clean air outlet; 20-upper valve body mechanism; 21-upper valve body; 22-upper valve core; Valve body mechanism under 30-; Valve body under 31-; 32-lower valve core; 23-piston/cylinder; 24-piston counterweight; 25-counterweight regulating block; 26-piston and piston rod; 27-piston cap; 28-over-pressure gas exports; 33-shell; 34-filtering screen; 41-cleaning spray ball; 42-backs down valve group.
Embodiment
Be clearly and completely described technological scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In addition, if below in the described different mode of execution of the present invention involved technical characteristics do not form conflict each other and just can be combined with each other.
Embodiment 1
The present embodiment provides a kind of basin tank deck inhalation valve, and it is arranged on the tank deck of basin, and in maintaining the atmospheric pressure value in basin tank body in a constant interval, when air pressure is higher than this interval, inhalation valve carries out bleed; When air pressure is lower than this interval, inhalation valve air inlet supplements air pressure.
Below in conjunction with Figure of description, the preferred implementation of the present embodiment is described in detail:
With reference to figure 1, basin tank deck inhalation valve comprises: inhalation valve valve body 10, upper valve body mechanism 20, with lower valve body mechanism 30, the cylindrical structure of inhalation valve valve body 10, be provided with a clean air entrance 11 and clean air outlet 12 thereon, wherein clean air outlet 12 is connected with the tank deck of supervisor by the pipeline be tightly connected, clean air enters into inhalation valve valve body 10 from clean air entrance 11, the tank interior of basin is entered into again by clean air outlet 12, thus make basin obtain the positive pressure protection of clean air, prevent extraneous non-clean gas and microorganism from entering wherein.
With reference to figure 1, top on inhalation valve valve body 10 is provided with upper valve body mechanism 20, upper valve body mechanism 20 is mainly used in high-pressure regulation, and owing in inhalation valve valve body 10 and tank body being connected state, the atmospheric pressure value therefore in tank body is identical with the atmospheric pressure value in inhalation valve valve body 10.When the air pressure in tank body is higher than the first predetermined threshold, upper valve core 22 under the driving of air pressure in upper valve body mechanism 20 and upper valve body 21 depart from, thus make gas from the gap location effusion between upper valve body 21 and upper valve core 22, enter because pressurized gas do not have ambient air in the process of effusion, the clean health in tank body and in inhalation valve valve body 10 therefore in this process, can be ensured; Along with the effusion of pressurized gas, when the atmospheric pressure value in tank body is less than after the first predetermined threshold value, upper valve core 22 and upper valve body 21 recover bonding state, and gas then can not be overflowed by upper valve body mechanism 20 again.
Also comprise lower valve body mechanism 30, lower valve body mechanism 30 is mainly used in low pressure and regulates, basic principle is consistent with upper valve body mechanism 20, after the atmospheric pressure value in tank body is lower than the second predetermined threshold value, lower valve core 32 and lower valve body 31 start to depart from, ambient air through strainer filtering can enter into inhalation valve valve body 10 by the gap between lower valve core 32 and lower valve body 31, thus the air pressure supplemented in tank body, when the air pressure in tank body returns to more than second predetermined threshold value, lower valve core 32 and lower valve body 31 recover bonding state, ambient air then can not be entered in tank body by lower valve body mechanism 30 again.
Above-mentioned mode of execution is the core technology scheme of the present embodiment, the disengaging condition of upper valve core 22 and upper valve body 21 be tank body internal air pressure higher than the first predetermined threshold, the disengaging condition of lower valve core 32 and lower valve body 31 is that air pressure in tank body is lower than the second predetermined threshold value.By to the setting of the first predetermined threshold value and the second predetermined threshold value or adjustment, accurately can control the pneumatic floating scope in tank body, thus play the effect of fine adjustment.
The set-up mode of upper valve body mechanism 20 is described in detail below in conjunction with Fig. 1:
Upper valve body mechanism 20 comprises the balance weight assembly be arranged on described upper valve body 21, the gravity of balance weight assembly can act on upper valve core 22, by regulating the gravity size of balance weight assembly, controlling the size of the first predetermined threshold value, thus reaching the object of fine adjustment tank body internal air pressure domain of walker.When the air pressure in tank body is greater than after the first predetermined threshold value, the air pressure that pressurized gas produce will overcome the gravity of balance weight assembly and upper valve core 22, thus upper valve core 22 and upper valve body 21 is departed from.
Balance weight assembly comprises the piston/cylinder 23 connecting upper valve body 21, is preferably tightly connected between the two, thus avoids ambient air to enter.The opening end of piston/cylinder 23 and sidewall are respectively arranged with piston cap 27 and over-pressure gas outlet 28, and above over-pressure gas outlet 28, be provided with piston counterweight 24, piston counterweight 24 connects upper valve core 22 by piston and piston rod 26.The benefit of such setting is, when air pressure is lower than the first predetermined threshold value, piston counterweight 24 extrudes upper valve core 22 and upper valve body 21 combines, ambient air does not oppositely enter in tank body by over-pressure gas outlet 28, when tank body internal air pressure is higher than the first predetermined threshold value, in tank body, escaping gas just can export 28 derivation by over-pressure gas, and can not stop by piston counterweight 24.For the ease of regulating for different first predetermined threshold value, the top of piston counterweight 24 can also install counterweight regulating block 25 additional, described counterweight regulating block 25 for dismountable be arranged in described piston counterweight 24 one or several, in the present embodiment, open piston cap 27 to install additional, remove or change counterweight regulating block 25, operating process is very convenient.
While clean air enters basin, the power that it acts on upper valve core 22 is the product of clean air pressure and upper valve core 22 area, also namely the product of the interior the highest set positive pressure of basin and upper valve core 22 area should equal to deduct the piston counterweight 24 when piston runs after frictional force, piston and piston rod 26, the gravity summation of counterweight regulating block 25, the highest positive pressure of this setting is the first predetermined threshold value, when pressure in basin is not more than the first predetermined threshold value, between valve seat in seal ring in upper valve core 21 and upper valve body 21 seal be rely on the gravity of all counterweights in piston counterweight 24 apply on make it to seal, as long as so positive pressure has exceeded the first predetermined threshold value in basin, pressure suffered by upper valve core 22 has just been greater than piston counterweight 24, the gravity of piston and piston rod 26 and counterweight regulating block 25 sum, upper valve core 22 will back down pressurization gravity thereon and open, the gas of superpressure is passed through upper valve core 22 simultaneously, over-pressure gas floss hole discharge on upper valve body 21, thus protect the safety of sanitary type basin, and when sanitary type basin internal pressure is returned within setting pressure, upper valve core 6 pressurized gravity thereon and closing, to ensure that in sanitary type basin, clean air pressure is greater than atmospheric pressure all the time again.
With reference to figure 4, also comprise wiper mechanism in tank breathing valve, wiper mechanism comprises the cleaning solution import 13 be arranged on inhalation valve valve body 10, and is sealedly connected on the cleaning spray ball 41 in cleaning solution import 13, and the cleaning solution inlet pipe of cleaning import and tank top is connected.While CIP system is to basin cleaning, cleaning solution import 13 also obtains cleaning solution confession simultaneously, thus cleaning solution is wherein ejected in inhalation valve valve body 10 through cleaning spray ball 41.Cleaning solution flows in basin body through the clean air outlet 12 that connects with basin, jointly receives through CIP backhaul blowback through tank bottom discharge port with the cleaning solution cleaning basin.
I.e. (CIP cleaning) this cleaning process is preferably on-line cleaning, selected cleaning solution has higher temperature, liquid to be cleaned has cleaned the temperature that rear cleaning solution brings can be reduced, thus make will form negative pressure in inhalation valve valve body 10, thus make pressure in inhalation valve valve body 10 lower than the second predetermined threshold value, open lower valve core 32, thus make tank internal pressure ash multiple.
Particularly, upper valve body mechanism 20 is cylindrical, it is upper valve body 21 bottom it, tubular structure is extended upward from the circular edge of upper valve body 21, upper valve body 21 and inhalation valve valve body 10 link position are provided with the flange-interface (not shown) of sanitary type, thus guarantee tightness, prevent air and microorganism from entering into inhalation valve valve body 10, the upper end of upper valve body 21 also has the clamp band type interface be connected with piston/cylinder 23, and over-pressure gas floss hole 28 is arranged on the general medium position of the tubular structure of upper valve body 21.
Wherein, upper valve core 22, for top is with the disc type structure of sliding guide, disk outer ledge has can the T-slot ditch of mounting O-shaped seal ring, and sliding guide top is bolt arrangement, can be connected with piston with piston rod.
Piston/cylinder 28 is garden columnar structures, and the bottom of piston/cylinder 28 is the clamp band type interface that can be connected with upper valve body 21 top, is the guide sleeve of upper valve core and star-like seal ring in the middle part of this clamp band type interface.
Piston and piston rod 26, piston is the overall structure be connected with piston rod 26, and piston is equipped with wear ring, and the threaded coupling of piston lower portion can be connected with the sliding guide of upper valve core.
Counterweight is entity garden ring structure, and garden ring endoporus can be inserted in piston rod and its gravity can be utilized to make descent of piston;
Counterweight regulating block, be multiple entity gardens ring structure of different-thickness, garden ring endoporus can be inserted in piston rod, and its respective thickness ring body can be selected during installation as required to adjust descent of piston gravity;
Piston cap 27, for circular clamp band type interface structure, the star-like seal ring sealed with piston upper pole part is equipped with at middle part, be connected with cylinder block top by clip, preferred piston cap 27 is provided with exhaust port, thus making piston and piston rod 26 not produce vapour lock in reciprocatory movement, the Main Function of piston cap 27 is for piston and piston rod 26 position, and makes it not produce inclination when moving up and down.
In the present embodiment, piston and piston rod 26 can be free to slide with the piston counterweight 24 on it in piston/cylinder 23, this setup, threshold value adjustment is carried out compared to adopting spring in prior art, more reliable on degree of regulation on the one hand, and precision can not be elongated and change along with service time, because its precision is less likely to occur to change, in running, therefore do not need staff's continuous observation yet; Also the counterweight on piston and piston rod 26 can be increased or replace when the first predetermined threshold needs to change on the other hand, counterweight increased after this process only needs to open piston cap 27 or replace, its adjustment process is more simple and convenient.
In addition it should be noted that, the concrete example of upper valve body mechanism 20 described above, be only in the present embodiment preferred embodiment, and do not represent upper valve body 21 in the present embodiment, upper valve core 22, piston/cylinder 28, piston, piston rod 26, counterweight, counterweight regulating block, piston cap 27 set-up mode be only limitted to this, such as the above-mentioned many places mode of being tightly connected adopts clip, and obvious clip can also replace with other sealing means; Such as above-mentioned counterweight is cirque structure, and counterweight can also increase counterweight regulating block, and obvious counterweight and regulating block can have other sealing or unsealed replacing structures.Those skilled in the art can improve according to the concrete structure of above mode of execution to upper valve body mechanism 20 and replace, but do not depart from the inventive concept of the application.
Below in conjunction with, the set-up mode of 2 and 3 detailed description the present embodiment Zhong Xia valve body mechanisms 30:
Essential structure and the upper valve body of lower valve body 30 are basically identical, its effect is when tank body internal air pressure is lower than the second predetermined threshold value, lower valve core 32 picks up by the low pressure in tank body, thus lower valve core 32 and lower valve body 31 are departed from, to enable clean air enter into inhalation valve valve body 10 from the gap between lower valve core 32 and lower valve body 31, thus the air pressure of compensator inside and outside; Treat after air pressure balance, lower valve core 32 will recover bonding state with lower valve body 31 under gravity.
Preferred described lower valve body mechanism 30 also comprises the shell 33 be tightly connected with lower valve body 31; some openings on shell 33 are provided with filtering screen 34; after described lower valve core 32 is upwards picked up; filtering screen can produce filtering effect by gas to external world, thus avoids band particle dust to enter in inhalation valve valve body 10 and tank body.
Particularly, lower valve body 31, for garden columnar structures, the guide sleeve that the bottom of lower valve body 31 is provided with the valve rod installing lower valve core 32 and the sealing surface matched with lower valve core, lower valve body 31 upper end is provided with can sanitary type flange-interface joining with upper valve body, and the space surrounded after connecting upper valve body 21 of lower valve body 31 constitutes described inhalation valve valve body 10.Connecting port for communicating with tank deck in the middle part of lower valve body 31, connecting port and interface elbow are connected; Connecting port opposite in the middle part of lower valve body 31, is provided with at least one Small-sized C IP and sprays ball; Connecting port side in the middle part of lower valve body 31, being provided with can clamp band type interface joining with clean air; Lower valve core 32, for bottom is with the garden dish configuration of sliding guide, disk has near outer ledge can the T-slot ditch of mounting O-shaped seal ring; The set-up mode of filtering screen 34 and shell 33 is preferably: the filtering screen 34 being inside lined with garden column type shell 33 has many elongated hole structures side by side, housing bottom is welded with liquid discharge pipe, there is stainless steel filtering net in column type housing body portion, garden again, three apertures are arranged at guard top, are installed on the lower end of lower valve 31 body by bolt.
More preferably, upper valve body mechanism 20 and lower valve body mechanism 30 are selected in the mode used in pairs, such as:
When DN63 model is selected by upper valve body mechanism 20, lower valve body mechanism 30 is DN100 preferably.
When DN100 model is selected by upper valve body mechanism 20, lower valve body mechanism 30 is DN150 preferably.
When DN150 model is selected by upper valve body mechanism 20, lower valve body mechanism 30 is DN250 preferably.
Selection mode concrete above, only as the preferred descriptions of upper valve body mechanism 20 and lower valve body mechanism 30, and the restriction do not selected as it.
In sum, in the present embodiment, upper valve body mechanism 20 and lower valve body mechanism 30 all can not make ambient atmos enter in inhalation valve valve body 10 and tank body in normal running, therefore its wholesomeness compared to existing bidirectional modulation safety valve better.Secondly significant lifting is also being had in the control accuracy of air pressure and simple operation.
Embodiment 2
The present embodiment is the improvement on embodiment 1 basis, its compared to embodiment unlike:
With reference to figure 2 and Fig. 4, the sealing surface mechanism can cleaned in upper and lower valve body is also comprised in the subjective tank breathing valve of the present embodiment, as one preferred embodiment, with reference to figure 2, in order to improve cleaning performance, except with except identical wiper mechanism in embodiment 1, also comprise the pressurized air accessing port that piston counterweight 24 bottom is set, open pressurized air when cleaning valve body at cleaning solution and enter valve, make piston and piston rod 26 up, drive on upper valve core 22 simultaneously and move, make sealing surface depart from sealing state and obtain thorough cleaning.
Further, also comprise in wiper mechanism and back down valve group 42, the while that this effect of backing down valve group 42 being for starting cleaning at wiper mechanism, lower valve core 32 is backed down, thus make cleaning solution depart from sealing state at lower valve body sealing surface and to obtain thorough cleaning.
As one preferred embodiment, back down valve group 42 self scalable, be arranged on the below of lower valve core 32, to make to promote lower valve core 32 in its course of action and lower valve body 31 departs from.Back down valve group 42 for being provided with the cylinder of push rod, the cleaning solution reflux valve of the lower valve body sealing surface of cleaning is arranged on and backs down valve group 42 bottom, when backing down lower valve core 32, this valve is opened simultaneously simultaneously, reflux liquid is herein made to be discharged or reclaim, and when not backing down lower valve core 32, this valve is in closed condition, does not make end enter its interior through the air of filter screen.
The basin tank deck inhalation valve of the present embodiment is compared to existing bidirectional modulation safety valve, the basis of embodiment 1 also add washing unit, even if Long-Time Service does not need inhalation valve to disassemble to carry out special cleaning yet, and the process of himself cleaning is very convenient, the callback course of cleaning process and cleaning solution is entirely automatically, does not need manual operation and intervention.
Embodiment 3
With reference to figure 1, Fig. 2, the present embodiment is the improvement on embodiment 1 or 2 basis, and the difference of itself and embodiment 1 or 2 is:
For the ease of the monitoring of staff, also supervisory system is provided with in the basin tank deck inhalation valve of the present embodiment, be respectively used to detect the first detecting switch and the second detecting switch that whether upper valve core 22 and lower valve core 32 depart from upper valve body 21 and lower valve body 31, after upper valve core 22 and upper valve body 21 depart from, first detecting switch is triggered, thus can allow staff can telemonitoring, the air pressure now in tank body is higher than the first predetermined threshold value; After lower valve core 32 and lower valve body 31 depart from, the second detecting switch is triggered thus staff can be allowed to know, and the air pressure now in tank body is lower than the second predetermined threshold value.
Can automatically be triggered for the ease of the first above-mentioned detecting switch and the second detecting switch, preferably the first detecting switch is arranged on the reverse position of upper valve core 22 off-direction in the present embodiment, and under the jointing state of upper valve core 22, first detecting switch is disconnected, under the disengaged position of upper valve core 22, the first detecting switch is switched on; In like manner the second detecting switch is fixedly installed on the reverse position of described lower valve core 32 off-direction, and under the bonding state of described lower valve core 32, described second detecting switch is disconnected, and under the disengaged position of described lower valve core 32, described second detecting switch is switched on.
It should be noted that, the set-up mode of the first detecting switch and the second detecting switch is not only confined to above-mentioned one, and such as the first detecting switch and the second detecting switch can binding site sensor, pressure transducers etc.Can also be set to the first detecting switch, the second detecting switch is in closed state when disengaging configuration, but its disconnection action can trigger supervisory system loop connect etc.And the monitoring type of supervisory system can be the opening and closing signal only transmitting the first detecting switch, the second detecting switch, also can combine in conjunction with camera or some parametric variable and feed back to staff, those skilled in the art can make one's options to its concrete form on the basis of the present embodiment, then do not repeat at this.
By the setting of supervisory system in the present embodiment, staff long-rangely no longer can be needed to climb up tank deck frequently to observe inhalation valve to tank body and breathing monitoring valves, contribute to reducing labor intensity, increase work efficiency, and feedback is more in time with accurate.
In sum, the ability that the basin tank deck inhalation valve of the embodiment of the present invention prevents extraneous non-clean gas from entering is strong, degree of regulation is high, self with washing unit, therefore more applicable food-processing industry or other use on the higher basin of health conditions requiring.And in conjunction with the ability of its remote monitoring, the staff being can monitor multiple basin, effectively raises working efficiency, reduces cost of labor simultaneously.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all mode of executions.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (12)
1. a basin tank deck inhalation valve, is characterized in that, comprising:
Inhalation valve valve body (10), is provided with clean air entrance (11) and clean air outlet (12), and described clean air outlet (12) connects the tank deck of basin by pipeline;
Upper valve body mechanism (20), be arranged on the top of described inhalation valve valve body (10), it comprises upper valve body (21), with the upper valve core (22) that can depart from described upper valve body (21) or combine, described upper valve core (22) described inhalation valve valve body (10) internal air pressure higher than during the first predetermined threshold and described upper valve body (21) depart from, overflow to make pressurized gas;
Lower valve body mechanism (30), be arranged on the bottom of described inhalation valve valve body (10), it comprises lower valve body (31), with the lower valve core (32) that can depart from described lower valve body (31) or combine, described lower valve core (32) described inhalation valve valve body (10) internal air pressure lower than during the second predetermined threshold and described lower valve body (31) depart from, with make gas enter balance described inhalation valve valve body (10) in air pressure.
2. basin tank deck inhalation valve according to claim 1, is characterized in that:
Described upper valve body mechanism (20) also comprises the counterweight piston assembly be arranged on described upper valve body (21), the Action of Gravity Field of described counterweight piston assembly is on described upper valve core (22), to make when described inhalation valve valve body (10) internal air pressure is lower than described first predetermined threshold, described upper valve core (22) keeps the bonding state with described upper valve body (21).
3. basin tank deck inhalation valve according to claim 2, is characterized in that:
Described counterweight piston assembly comprises piston/cylinder (23), and the opening end of described piston/cylinder (23) is provided with piston cap (27);
Be provided with counterweight (24) and piston and piston rod (26) in described piston/cylinder (23), described piston and piston rod (26) two ends connect described counterweight (24) and described upper valve core (22) respectively.
4. basin tank deck inhalation valve according to claim 3, is characterized in that:
Also comprise over-pressure gas outlet (28), described over-pressure gas outlet (28) is arranged in described upper valve body (21).
5. the basin tank deck inhalation valve according to claim 3 or 4, is characterized in that:
Described counterweight piston assembly also comprises the adjustment balancing weight (25) be detachably arranged in described counterweight (24).
6. the basin tank deck inhalation valve according to any one of claim 1-5, is characterized in that:
Described lower valve body mechanism (30) also comprises the filtering screen (34) be connected with described lower valve body (31), after described lower valve core (32) is upwards picked up, ambient atmos can enter in described inhalation valve valve body (10) through described filtering screen.
7. basin tank deck inhalation valve according to claim 6, is characterized in that:
Also comprise wiper mechanism, described wiper mechanism comprises the cleaning solution import (13) be arranged on described inhalation valve valve body (10), and cleaning spray ball (41) be sealedly connected on described cleaning solution import (13), described cleaning solution import (13) is for connecting cleaning solution supplying device;
Described filtering screen (34) is provided with shell (33), described shell forms cleaning solution recovery approach in (33).
8. basin tank deck inhalation valve according to claim 7, is characterized in that:
Described wiper mechanism also comprises and backs down valve group (42), described valve group (42) of backing down is scalable or be arranged on the below of described lower valve core (32) movably, departs from described lower valve body (31) can promote described lower valve core (32).
9. basin tank deck inhalation valve according to claim 8, is characterized in that:
Described valve group (42) of backing down opens or closes by Pneumatic actuator driving.
10. basin tank deck inhalation valve according to claim 8 or claim 9, is characterized in that:
Described valve group (42) of backing down comprises cylinder and the push rod by air cylinder driven.
11. basin tank deck inhalation valves according to any one of claim 1-10, is characterized in that:
Also comprise supervisory system, described monitoring comprises the first detecting switch and the second detecting switch that are respectively used to detect described upper valve core (22) and lower valve core (32) and whether depart from described upper valve body (21) and lower valve body (31).
12. basin tank deck inhalation valves according to claim 11, is characterized in that:
Described first detecting switch is fixedly installed on the reverse position of described upper valve core (22) off-direction, and under the bonding state of described upper valve core (22), described first detecting switch is disconnected, under the disengaged position of described upper valve core (22), described first detecting switch is switched on;
Described second detecting switch is fixedly installed on the reverse position of described lower valve core (32) off-direction, and under the bonding state of described lower valve core (32), described second detecting switch is disconnected, under the disengaged position of described lower valve core (32), described second detecting switch is switched on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610069407.9A CN105546171B (en) | 2016-01-29 | 2016-01-29 | A kind of basin tank deck breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610069407.9A CN105546171B (en) | 2016-01-29 | 2016-01-29 | A kind of basin tank deck breather valve |
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| Publication Number | Publication Date |
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| CN105546171A true CN105546171A (en) | 2016-05-04 |
| CN105546171B CN105546171B (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610069407.9A Active CN105546171B (en) | 2016-01-29 | 2016-01-29 | A kind of basin tank deck breather valve |
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| CN106140020A (en) * | 2016-08-02 | 2016-11-23 | 南通白云环保工程设备有限公司 | A kind of contactless breather valve |
| CN107420597A (en) * | 2017-06-15 | 2017-12-01 | 长江大学 | A kind of intelligent breathing valve |
| CN108398256A (en) * | 2018-04-17 | 2018-08-14 | 湖北天信石化设备股份有限公司 | A kind of breather valve real-time monitoring system |
| CN111156336A (en) * | 2020-02-19 | 2020-05-15 | 朱颜颜 | Safety breather valve of petroleum storage tank |
| CN112362128A (en) * | 2020-11-09 | 2021-02-12 | 海南立昇净水科技实业有限公司 | Liquid metering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106140020A (en) * | 2016-08-02 | 2016-11-23 | 南通白云环保工程设备有限公司 | A kind of contactless breather valve |
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| CN112362128A (en) * | 2020-11-09 | 2021-02-12 | 海南立昇净水科技实业有限公司 | Liquid metering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105546171B (en) | 2019-05-07 |
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