CN101734448B - Tank deck protecting device and air pressure protecting system thereof - Google Patents
Tank deck protecting device and air pressure protecting system thereof Download PDFInfo
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- CN101734448B CN101734448B CN2009102653463A CN200910265346A CN101734448B CN 101734448 B CN101734448 B CN 101734448B CN 2009102653463 A CN2009102653463 A CN 2009102653463A CN 200910265346 A CN200910265346 A CN 200910265346A CN 101734448 B CN101734448 B CN 101734448B
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Abstract
The invention relates to a tank deck protecting device and an air pressure protecting system thereof. The tank deck protecting device comprises a cover body (1), a positive pressure protection mechanism, a negative pressure protection mechanism and a cleaning mechanism, wherein the positive pressure protection mechanism, the negative pressure protection mechanism and the cleaning mechanism are arranged on the cover body (1); and the cleaning mechanism comprises an in-tank cleaning component and a cleaning component for cleaning valve spools in the positive pressure protection mechanism and the negative pressure protection mechanism. The tank deck protection device provided by the invention can clean the valve spools in the positive pressure protection mechanism and the negative pressure protection mechanism, has convenient disassembly and assembly, and can ensure safety in use.
Description
Technical field
The present invention relates to tank deck protection field, particularly a kind of tank deck protecting device and air pressure protecting system thereof.
Background technology
In process of production; Beer, dairy products and soup all need be kept in the holding vessel; Change because chemical reaction gas volume such as fermentation can take place in storage, charging, discharging or cleaning process aforesaid liquid, make that the air pressure of liquid top can change (pressure increases or reduces), this just need be at the top of holding vessel installation tank deck protecting device; Gaseous tension in the holding vessel is carried out exhaust air inlet work, to store and to preserve aforesaid liquid product storage tank safely.Therefore, tank deck protecting device is widely used in fields such as wine industry, dairy husbandry and medicine companies.
Existing tank deck protecting device generally includes overvoltage protection valve, vacuum protection valve, cleaning assembly and gas-liquid switching part etc., has supply gas (CO
2, N
2, air), reclaim gas (CO
2), carry out CIP (be clean in place, refer to on-line cleaning) and clean and wet sterilization, quicken functions such as chemical reaction and froth breaking.But the cleaning function of existing tank deck protecting device can only clean holding vessel inside; And can't the spool of overvoltage protection valve and vacuum protection valve be cleaned; Liquid (or being referred to as material) and dirt are particularly accumulated in the inside of long-term use overvoltage protection valve (or being referred to as automatic exhaust steam valve) and vacuum protection valve (or being referred to as to prevent vacuum valve) in the position of valve body inner spool and seal ring, will cause the spool Lift not enough or poorly sealed when serious; Make the effect of gaseous tension in overvoltage protection valve and the vacuum protection valve loss of adjustment jar; Influence the normal use of overvoltage protection valve and vacuum protection valve, also have certain potential safety hazard, and often this will grow bacterium in the position of accumulating liquid and dirt in the past; Bacterium pollutes the liquid in the holding vessel probably, influences the quality of liquid product in the holding vessel.
In addition; Be provided with the spring of captiveing joint with spool in the vacuum protection valve of prior art, this spring is used for after air pressure recovers normally, retracting spool and making it to close sealing; But the vacuum protection valve of this structure is when carrying out the negative pressure protection; Gaseous tension need overcome the resistance (being the tensile force of spring) of spring could open make-up gas again with spool, that is to say to have only when the negative pressure in the holding vessel is enough big, could the vacuum protection valve core be opened to carry out the negative pressure protection, and this just greatly reduces the sensitivity of vacuum protection valve; Make the vacuum protection valve not carry out the negative pressure protection to holding vessel in time, have potential safety hazard.
Summary of the invention
For this reason; Technical matters to be solved by this invention is in the prior art that tank deck protecting device can't carry out spool to overvoltage protection valve and vacuum protection valve and clean, and a kind of have spool cleaning function and easy accessibility, tank deck protecting device and air pressure protecting system thereof safe in utilization are provided.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is following:
A kind of tank deck protecting device comprises:
Lid;
Positive pressure protection mechanism is arranged on the said lid, when gaseous tension rises in holding vessel said holding vessel is carried out positive pressure protection;
The negative pressure protection mechanism is arranged on the said lid, when gaseous tension descends in said holding vessel said holding vessel is carried out the negative pressure protection;
Wiper mechanism is arranged on the said lid, and said wiper mechanism comprises a jar interior cleaning assembly;
Said wiper mechanism also comprises and is used to clean said positive pressure protection mechanism and said negative pressure protection mechanism in-to-in spool cleaning assembly.
In the above-mentioned tank deck protecting device, said positive pressure protection mechanism is communicated with through being connected chamber with said negative pressure protection mechanism; Said spool cleaning assembly comprises suction culvert, the hydro-peening parts that be arranged in the said chamber, are communicated with said suction culvert.
In the above-mentioned tank deck protecting device, said hydro-peening parts be form some apertures on the tube wall wash pipe certainly.
In the above-mentioned tank deck protecting device, said positive pressure protection mechanism removably is connected through clip with said negative pressure protection mechanism.
In the above-mentioned tank deck protecting device, also be provided with concetrated pipe inner with said holding vessel and that said chamber is communicated with on the said lid; Cleaning assembly comprises the purge pipe that is arranged in the said concetrated pipe in said jar, and the upper end of said purge pipe is communicated with said suction culvert through device for cleaning tank, and the lower end of said purge pipe is provided with the rotating wash bowl with some apertures.
In the above-mentioned tank deck protecting device, said rotating wash bowl can be rotatably set in the said lower end of said purge pipe.
In the above-mentioned tank deck protecting device, said tank deck protecting device also comprises the gas-liquid switching mechanism, and said gas-liquid switching mechanism comprises switching part, and said switching part is controlled being communicated with/turn-offing of said concetrated pipe and said suction culvert.
In the above-mentioned tank deck protecting device, said switching part is boiler check valve, butterfly valve or change-over valve.
In the above-mentioned tank deck protecting device, said positive pressure protection mechanism and/or said negative pressure protection mechanism are provided with the displacement pickup of the spool ON/OFF action of induction respective valve, and the signal output part of said displacement pickup is electrically connected with control system.
In the above-mentioned tank deck protecting device; Said tank deck protecting device also comprises enforced opening mechanism; Said enforced opening mechanism comprise compressed air line and the said spool that is communicated with said compressed air line, be arranged on said positive pressure protection mechanism and/or said negative pressure protection mechanism on the positive opening interface, said control system is controlled the on/off of said compressed air line according to the induced signal of said displacement pickup.
A kind ofly be used for the above-mentioned jar air pressure protecting system of fender guard in advance, said air pressure protecting system comprises positive pressure protection mechanism and negative pressure protection mechanism, and said positive pressure protection mechanism is communicated as one through being connected chamber with said negative pressure protection mechanism.
Above-mentioned air pressure protecting system; Said negative pressure protection mechanism is the vacuum protection valve; Comprise vacuum protection valve body and vacuum protection valve core; Said vacuum protection valve core is arranged in the valve pocket in the said vacuum protection valve body, and said vacuum protection valve core can rely on self suffered gravity to close sealing.
Technique scheme of the present invention is compared prior art and is had the following advantages: tank deck protecting device 1. of the present invention and air pressure protecting system thereof; Have and be used to clean positive pressure protection mechanism and negative pressure protection mechanism in-to-in spool cleaning assembly; Can to the inside of malleation protection mechanism and negative pressure protection mechanism particularly spool and seal ring thoroughly clean, to keep the clean hygiene of spool; 2. tank deck protecting device of the present invention and air pressure protecting system thereof; Positive pressure protection mechanism (overvoltage protection valve) is communicated with through being connected chamber with negative pressure protection mechanism (vacuum protection valve); Hydro-peening parts (washing pipe certainly) stretch into the inside of chamber; When cleaning, in chamber, spray water, can fully spool be cleaned up through some apertures of washing certainly on the tube wall; 3. tank deck protecting device of the present invention and air pressure protecting system thereof, positive pressure protection mechanism removably is connected through clip with the negative pressure protection mechanism, can realize fast-assembling and quick detach, and easy accessibility is laborsaving, efficient is high; 4. tank deck protecting device of the present invention and air pressure protecting system thereof, the rotating wash bowl with some apertures can be rotatably set in the lower end of purge pipe, can make things convenient for, clean up hill and dale each position in the holding vessel as required; 5. tank deck protecting device of the present invention and air pressure protecting system thereof also have the gas-liquid switching mechanism and are used for switching cleaning and gas (like CO) supply, make holding vessel have the gas recovery function; 6. tank deck protecting device of the present invention and air pressure protecting system thereof; Also be provided with the displacement pickup of induction spool ON/OFF action; The signal output part of displacement pickup is electrically connected with control system, with monitor at any time spool open/close whether normal, in case et out of order; Control system will stop charging, discharging or washing and cleaning operation, and equipment is overhauled; 7. tank deck protecting device of the present invention and air pressure protecting system thereof; Also has enforced opening mechanism; Comprise compressed air line and be communicated with compressed air line, be arranged on the positive opening interface on the spool; Prevent to guarantee the normal use of spool, guarantee device security owing to temperature is crossed the situation generation that low spool freezes or other reason causes spool to open; 8. tank deck protecting device of the present invention and air pressure protecting system thereof, wherein the positive pressure protection mechanism of air pressure protecting system (overvoltage protection valve) is communicated as one through being connected chamber with negative pressure protection mechanism (vacuum protection valve), makes single unit system structure compact and reasonable more; 9. tank deck protecting device of the present invention and air pressure protecting system thereof; Wherein the vacuum protection valve core can rely on self suffered gravity to seal, and need not to be provided with the spring that generally is provided with in the vacuum protection valve of prior art, simplifies the structure; And make when carrying out the negative pressure protection; Gaseous tension need not overcome the resistance of spring can open the vacuum protection valve core, that is to say, can carry out the negative pressure protection as long as the negative pressure in the holding vessel can be pushed the vacuum protection valve core open; This has improved the sensitivity of vacuum protection valve greatly; Make the vacuum protection valve can be in time carry out the negative pressure protection to holding vessel, more safe and reliable, and also the vacuum protection valve core can also rely on self suffered gravity to realize sealing tightly.
Description of drawings
For content of the present invention is more clearly understood, below according to a particular embodiment of the invention and combine accompanying drawing, the present invention is done further detailed explanation, wherein
Fig. 1 is the general assembly drawing of tank deck protecting device of the present invention;
Fig. 2 is the inside enlarged drawing of A part among Fig. 1;
Fig. 3 is the inside enlarged drawing of B part among Fig. 1;
Fig. 4 is the inside enlarged drawing of C part among Fig. 1;
Fig. 5 is the inside enlarged drawing of D part among Fig. 1;
Fig. 6 is the scheme drawing of tank deck protecting device of the present invention when normal condition;
Fig. 7 is the scheme drawing of tank deck protecting device of the present invention when barotropic state;
Fig. 8 is the scheme drawing of tank deck protecting device of the present invention when negative pressure state;
Fig. 9 is the scheme drawing of tank deck protecting device of the present invention when cleaning;
Figure 10 is the scheme drawing of overvoltage protection valve in the tank deck protecting device of the present invention;
Figure 11 is the scheme drawing of vacuum protection valve and chamber in the tank deck protecting device of the present invention;
Figure 12 is that switching part is the scheme drawing of Pneumatic butterfly valve among another embodiment;
Figure 13 is that switching part is the scheme drawing of air operated reversing valve among other embodiment.
Reference numeral is expressed as among the figure: 1-lid, 2-overvoltage protection valve, 3-vacuum protection valve, 4-chamber, 5-purge pipe; 6-is from washing pipe, 7-concetrated pipe, 8-device for cleaning tank, 9-rotating wash bowl, 10-switching part; The 11-skirt, 12-suction culvert, 13-malleation exhausr port, 14-negative pressure inlet mouth, 15-displacement pickup; The 16-aqueduct, 17-overvoltage protection valve core, 18-vacuum protection valve core, 19-vacuum protection valve body.
The specific embodiment
As shown in Figure 1; The preferred embodiment of tank deck protecting device of the present invention and air pressure protecting system thereof; Said tank deck protecting device comprises: lid 1 is arranged on positive pressure protection mechanism, negative pressure protection mechanism, wiper mechanism (CIP cleaning), gas-liquid switching mechanism and enforced opening mechanism on the said lid 1.
Said positive pressure protection mechanism be used for when gaseous tension in the holding vessel rise (promptly in the jar gaseous tension greater than jar outside barometric pressure) time, said holding vessel is carried out positive pressure protection.Said negative pressure protection mechanism is used for when gaseous tension in the said holding vessel descends (promptly jar gaseous tension less than jar outside barometric pressure), said holding vessel being carried out negative pressure protection.In the present embodiment, said positive pressure protection mechanism is overvoltage protection valve 2, and as shown in Figure 2, said negative pressure protection mechanism is a vacuum protection valve 3, like Fig. 3 and shown in Figure 11; Said overvoltage protection valve 2 is communicated as one through chamber 4 with said vacuum protection valve 3; Said in the present embodiment overvoltage protection valve 2 and said vacuum protection valve 3 lay respectively at the upper/lower terminal of said chamber 4, and said overvoltage protection valve 2, said vacuum protection valve 3 and said chamber 4 removably connect through clip.Shown in figure 10; Said vacuum protection valve 3 comprises vacuum protection valve body 19 and vacuum protection valve core 18; Said vacuum protection valve core 18 is arranged in the valve pocket in the said vacuum protection valve body 19, and said vacuum protection valve core 18 can rely on self gravitation to close sealing.Because said overvoltage protection valve 2 is for being used for the valve commonly used of air pressure protection, its principle of work and structure are prior art, and this does not give unnecessary details.
Also be provided with the concetrated pipe 7 with said holding vessel internal communication on the said lid 1, said concetrated pipe 7 also is communicated with said chamber 4.Said wiper mechanism comprises: be used to clean said positive pressure protection mechanism, said negative pressure protection mechanism in-to-in spool cleaning assembly and be used to clean cleaning assembly in the said holding vessel in-to-in jar; Said spool cleaning assembly comprises suction culvert 12 and the hydro-peening parts that are arranged in the said chamber 4, are communicated with said suction culvert 12.As shown in Figure 5, said hydro-peening parts are to form washing certainly of some apertures (apopore) on the tube wall to manage 6 (aperture is not shown).
Cleaning assembly comprises the purge pipe 5 that is arranged in the said concetrated pipe 7 in said jar; The upper end of said purge pipe 5 is communicated with said suction culvert 12 through device for cleaning tank 8; Said device for cleaning tank 8 is used to store the water that flows to from said suction culvert 12; But said in the present embodiment device for cleaning tank 8 retaining 3-4 kilograms, the lower end of said purge pipe 5 is provided with the rotating wash bowl 9 with some apertures (apopore), and said rotating wash bowl 9 can be rotatably set in the said lower end of said purge pipe 5; The said water of irritating storage in the device 8 of washing can form 2-3bar (crust, 1 crust=10 to said rotating wash bowl 9
5Pascal) hydraulic pressure.
Said gas-liquid switching mechanism is used for gas recovery to said holding vessel; As shown in Figure 4; Said gas-liquid switching mechanism comprises switching part 10, and said switching part 10 is used to control being communicated with/turn-offing of said concetrated pipe 7 and said suction culvert 12, and said suction culvert 12 is reclaim line when carrying out gas recovery; Said switching part 10 is opened when said holding vessel carries out gas recovery, and said switching part 10 is closed when cleaning.Said switching part 10 can be boiler check valve, butterfly valve or change-over valve, and said in the present embodiment switching part 10 is said boiler check valve.
For guaranteeing the normal operation of said overvoltage protection valve 2 and said vacuum protection valve 3; Be provided with the displacement pickup 15 of spool (being overvoltage protection valve core 17 and said vacuum protection valve core 18) the ON/OFF action that is used to respond to said overvoltage protection valve 2 and said vacuum protection valve 3 in the lower end of said overvoltage protection valve 2 and said vacuum protection valve 3, the signal output part of said displacement pickup 15 is electrically connected with control system.In the present embodiment, said displacement pickup 15 is near switch, within certain distance of reaction scope, and the said ON/OFF action that can respond to said spool near switch.Said tank deck protecting device also further is provided with the pressure sensor that is used to respond to said holding vessel jar internal pressure.
Said enforced opening mechanism comprise compressed air line and the said spool that is communicated with said compressed air line, be arranged on said overvoltage protection valve 2 and said vacuum protection valve 3 on the positive opening interface, said control system can be controlled the on/off of said compressed air line according to the induced signal that said displacement pickup 15 and said pressure sensor send.
Details are as follows for the concrete working process of said tank deck protecting device provided by the invention:
The first, with said tank deck protecting device be installed in said holding vessel the jar mouthful, when said tank deck protecting device is in normal condition, as shown in Figure 6;
The second, be said tank deck protecting device when being in barotropic state when gaseous tension in the said holding vessel rises, gaseous tension is greater than the outer barometric pressure of jar in this moment jar; Gaseous tension will be pushed said overvoltage protection valve core 17 open in jar; Unnecessary gas is discharged from skirt 11 through malleation exhausr port 13, to reduce a jar internal gas pressure, makes air pressure recover normal; As shown in Figure 7, arrow is a gas flow direction among Fig. 7;
The 3rd, be said tank deck protecting device during when gaseous tension in the said holding vessel descends in negative pressure state, gaseous tension is less than the outer barometric pressure of jar in this moment jar; The big pressure of the outer gas of jar will be pushed said vacuum protection valve core 18 open, and gas gets in the jar from negative pressure inlet mouth 14, make-up gas in jar; Jar internal gas pressure is raise; Recover normal, as shown in Figure 8, arrow is a gas flow direction among Fig. 8;
The 4th, when said tank deck protecting device cleans, rinse water will be stored in the said device for cleaning tank 8 from said suction culvert 12; And get into said purge pipe 5; Some apertures ejections from the said rotating wash bowl 9 then, said rotating wash bowl 9 can be rotated under the control of said control system, with to cleaning everywhere in the said holding vessel; As shown in Figure 9; Another side is said to be communicated with said suction culvert 12 through aqueduct 16 from washing pipe 6, and rinse water sprays from some apertures of washing pipe 6 from said, cleans with the said spool to said overvoltage protection valve 2 and said vacuum protection valve 3; Sewage after the cleaning flows in the jar of said holding vessel, and arrow is the flow of washing water direction among Fig. 9;
The 5th, when need be with gas recovery in said holding vessel the time (gaseous tension in the said reclaim line greater than jar in gaseous tension), the gaseous tension in the said reclaim line is opened said boiler check valve, with gas recovery in said holding vessel;
The 6th; When said storage tank cleans or carries out charging, discharging; Gaseous tension in the said holding vessel will inevitably change (this variation can be detected by said pressure sensor), and jar internal gas pressure changes the said spool of said overvoltage protection valve 2 or said vacuum protection valve 3 is moved, if said displacement pickup 15 do not detect said spool open/close action; The said spool that proves said overvoltage protection valve 2 or said vacuum protection valve 3 occurs unusual; Particularly at cold district, at this moment said spool is likely that owing to temperature is crossed low freezing said control system will be opened said compressed air line this moment; And the said positive opening interface on said spool feeds pressurized air (air pressure is 8bar-10bar); With the said spool of positive opening, make a jar interior gaseous tension recover normal, if enforced opening mechanism can't the said spool of positive opening; Said control system will be sent command signal and stop charging, discharging or washing and cleaning operation, and equipment is overhauled.
In other embodiments, can be chosen in as required on one of said overvoltage protection valve 2 and said vacuum protection valve 3 said displacement pickup 15 is set, also said pressure sensor can be set.In other embodiments, can select not to be provided with said gas-liquid switching mechanism and said enforced opening mechanism as required.
In other embodiments; Said switching part 10 in the said gas-liquid switching mechanism also can be butterfly valve, and is like Pneumatic butterfly valve, shown in figure 12; Said Pneumatic butterfly valve is arranged on the said reclaim line; Be normally open, said control system is closed said Pneumatic butterfly valve when cleaning, and makes rinse water get into said device for cleaning tank 8 from said suction culvert 12.Said switching part 10 in the said gas-liquid switching mechanism also can be change-over valve; Like air operated reversing valve, shown in figure 13, said air operated reversing valve is arranged on the said reclaim line; The upper valve core of said air operated reversing valve (or bottom spool) is opened when gas recovery; Bottom spool (or upper valve core) is closed, and upper valve core when cleaning (or bottom spool) is closed, and bottom spool (or upper valve core) is opened.
In other embodiments, said positive pressure protection mechanism also can removably be connected through flange etc. with said negative pressure protection mechanism.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (10)
1. tank deck protecting device comprises:
Lid (1);
Positive pressure protection mechanism is arranged on the said lid (1), when gaseous tension rises in holding vessel said holding vessel is carried out positive pressure protection;
The negative pressure protection mechanism is arranged on the said lid (1), when gaseous tension descends in said holding vessel said holding vessel is carried out the negative pressure protection;
Wiper mechanism is arranged on the said lid (1), and said wiper mechanism comprises a jar interior cleaning assembly;
It is characterized in that: said positive pressure protection mechanism is communicated with through being connected chamber (4) with said negative pressure protection mechanism; Said wiper mechanism also comprises and is used to clean said positive pressure protection mechanism and said negative pressure protection mechanism in-to-in spool cleaning assembly; Said spool cleaning assembly comprises suction culvert (12), the hydro-peening parts that be arranged in the said chamber (4), are communicated with said suction culvert (12).
2. according to the said tank deck protecting device of claim 1, it is characterized in that: said hydro-peening parts be form some apertures on the tube wall wash pipe (6) certainly.
3. according to the said tank deck protecting device of claim 2, it is characterized in that: said positive pressure protection mechanism removably is connected through clip with said negative pressure protection mechanism.
4. according to the said tank deck protecting device of claim 3, it is characterized in that: also be provided with concetrated pipe (7) inner with said holding vessel and that said chamber (4) is communicated with on the said lid (1); Cleaning assembly comprises the purge pipe (5) that is arranged in the said concetrated pipe (7) in said jar, and the upper end of said purge pipe (5) is communicated with said suction culvert (12) through device for cleaning tank (8), and the lower end of said purge pipe (5) is provided with the rotating wash bowl (9) with some apertures.
5. according to the said tank deck protecting device of claim 4, it is characterized in that: said rotating wash bowl (9) can be rotatably set in the said lower end of said purge pipe (5).
6. according to the said tank deck protecting device of claim 4; It is characterized in that: said tank deck protecting device also comprises the gas-liquid switching mechanism; Said gas-liquid switching mechanism comprises switching part (10), and said switching part (10) is controlled being communicated with/turn-offing of said concetrated pipe (7) and said suction culvert (12).
7. according to the said tank deck protecting device of claim 6, it is characterized in that: said switching part (10) is boiler check valve, butterfly valve or change-over valve.
8. according to the arbitrary said tank deck protecting device of claim 2-7; It is characterized in that: said positive pressure protection mechanism and/or said negative pressure protection mechanism are provided with the displacement pickup (15) of the spool ON/OFF action of said positive pressure protection mechanism of induction and/or said negative pressure protection mechanism, and the signal output part of said displacement pickup (15) is electrically connected with control system.
9. said according to Claim 8 tank deck protecting device; It is characterized in that: said tank deck protecting device also comprises enforced opening mechanism; Said enforced opening mechanism comprise compressed air line and the said spool that is communicated with said compressed air line, be arranged on said positive pressure protection mechanism and/or said negative pressure protection mechanism on the positive opening interface, said control system is controlled the on/off of said compressed air line according to the induced signal of said displacement pickup (15).
10. air pressure protecting system that is used for the arbitrary said tank deck protecting device of said claim 1-9; Said air pressure protecting system comprises positive pressure protection mechanism and negative pressure protection mechanism, it is characterized in that: said positive pressure protection mechanism is communicated as one through being connected chamber (4) with said negative pressure protection mechanism; Said negative pressure protection mechanism is vacuum protection valve (3); Comprise vacuum protection valve body (19) and vacuum protection valve core (18); Said vacuum protection valve core (18) is arranged in the valve pocket in the said vacuum protection valve body (19), and said vacuum protection valve core (18) can rely on self suffered gravity to close sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102653463A CN101734448B (en) | 2009-12-29 | 2009-12-29 | Tank deck protecting device and air pressure protecting system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102653463A CN101734448B (en) | 2009-12-29 | 2009-12-29 | Tank deck protecting device and air pressure protecting system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101734448A CN101734448A (en) | 2010-06-16 |
| CN101734448B true CN101734448B (en) | 2012-01-25 |
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ID=42458606
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102653463A Active CN101734448B (en) | 2009-12-29 | 2009-12-29 | Tank deck protecting device and air pressure protecting system thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546171B (en) * | 2016-01-29 | 2019-05-07 | 上海远安流体设备科技有限公司 | A kind of basin tank deck breather valve |
| CN107352183A (en) * | 2017-08-25 | 2017-11-17 | 温州天悦流体设备科技有限公司 | A kind of tank deck device |
| CN112896783A (en) * | 2021-02-03 | 2021-06-04 | 普瑞特机械制造股份有限公司 | Wine storage container |
| CN112896782A (en) * | 2021-02-03 | 2021-06-04 | 普瑞特机械制造股份有限公司 | Wine storage device |
| CN116252386B (en) * | 2023-02-07 | 2023-09-15 | 广东恒业水泥制品有限公司 | Cement pole member unit mobile production line and production method based on Internet of things |
| CN117139257B (en) * | 2023-10-26 | 2024-02-13 | 泰州市百冠泵阀科技有限公司 | Pump valve piece processing clean treatment facility |
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2009
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| CN101734448A (en) | 2010-06-16 |
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