CN216279593U - Emergency relief valve of oil storage tank - Google Patents
Emergency relief valve of oil storage tank Download PDFInfo
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- CN216279593U CN216279593U CN202121717997.4U CN202121717997U CN216279593U CN 216279593 U CN216279593 U CN 216279593U CN 202121717997 U CN202121717997 U CN 202121717997U CN 216279593 U CN216279593 U CN 216279593U
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Abstract
The utility model discloses an emergency relief valve of an oil storage tank, which relates to the technical field of relief valves and comprises a valve body and a valve cover, wherein the valve cover is fixedly arranged at the top of the valve body, a pair of guide rods are fixedly arranged on the top wall of the valve cover, a connecting plate is slidably arranged on the outer wall of each guide rod, a pair of compression springs are fixedly arranged at the top of the connecting plate, the other ends of the compression springs are fixedly arranged on the bottom wall of a sliding plate, the compression springs compress the connecting plate on the top wall of the valve body to seal the valve body, meanwhile, the left side and the right side of the sliding plate are slidably arranged on the outer wall of each guide rod, a screw rod is arranged in the sliding plate through internal threads, the sliding plate is driven by the screw rod to slide downwards, so that the elastic force of the compression springs is adjusted, the relief pressure of the relief valve can be adjusted, the use requirements of different oil storage tanks are met, and air guide pipes are arranged at exhaust holes of the valve cover, the bottom of air duct is sealed through a pair of baffle, avoids inside external dust gets into the valve body.
Description
Technical Field
The utility model relates to the technical field of relief valves, in particular to an emergency relief valve of an oil storage tank.
Background
And the emergency relief valve can perform emergency pressure relief and perform vacuum pressure relief. In an emergency situation (the exterior of the tank is exposed to a fire), the conventional venting device may be too small to prevent the tank from venting due to an emergency overpressure. The emergency relief valve has the necessary pressure relief and vacuum relief means to maintain the tank within safe operating limits. The integrated vacuum valve provides additional protection against tank collapse due to excessive steam or vacuum.
The operation of pressure release is mainly realized through the valve disc motion to current urgent bleeder valve, because the weight of valve disc is certain, this threshold value that just leads to current relief valve is the definite value, can't adjust according to actual conditions, when needs adjustment threshold value, can only change the bleeder valve, greatly increased equipment cost, be provided with the sealing washer between the valve gap of bleeder valve and the valve body simultaneously usually, nevertheless the sealing washer loses elasticity after long-time the use easily, make the contact between valve gap and the valve body inseparable enough, lead to the leakproofness to reduce, influence the normal work of bleeder valve.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide the emergency relief valve of the oil storage tank, the threshold value of the relief valve is more convenient to adjust, and the use requirements of different scenes are met.
In order to achieve the purpose, the utility model provides the following technical scheme: including valve body and valve gap, the top fixed mounting of valve body has the valve gap, and fixed mounting has a pair of guide bar on the roof of valve gap, slidable mounting has the connecting plate on the outer wall of guide bar, wherein the top fixed mounting of connecting plate has a pair of pressure spring, pressure spring's other end fixed mounting is on the diapire of slide, pressure spring compresses tightly the connecting plate on the roof of valve body, accomplish the sealing to the valve body, and pressure spring twines on the outer wall of guide bar, the left and right sides slidable mounting of slide is on the outer wall of guide bar simultaneously, and the screw rod is installed to the internal thread of slide, wherein the screw rod stretches out from the top of valve body, multiunit exhaust hole has been seted up on the left and right sides diapire of valve gap simultaneously, the internal fixed mounting in exhaust hole has the connecting pipe, and the air duct is installed to the screw thread on the outer wall of connecting pipe.
As a further scheme of the utility model: the bottom of the air duct is rotatably provided with a pair of baffle plates, the top of each baffle plate is fixedly provided with a tensioning spring, the other end of each tensioning spring is fixedly arranged on the inner wall of the air duct, and the pair of baffle plates are tensioned together through the tensioning springs to complete the sealing of the air duct.
As a further scheme of the utility model: the sealing device is characterized in that a sealing plug is fixedly mounted on the bottom wall of the connecting plate, the sealing plug is also slidably mounted on the outer wall of the guide rod, an annular sealing seat is fixedly mounted on the inner wall of the valve body, an annular groove is formed in the top of the sealing seat, a sealing ring is fixedly mounted on the bottom wall of the sealing plug, and the sealing ring is inserted into the groove.
As a further scheme of the utility model: a plurality of inner chambers have been seted up to the inside of seal receptacle, and wherein the top of inner chamber is in the same place through drain hole and recess intercommunication, and slidable mounting has the piston board in the inner chamber simultaneously, and wherein the bottom fixed mounting of piston board has supporting spring, and supporting spring's the other end fixed mounting is on the diapire of inner chamber.
As a further scheme of the utility model: and a plurality of groups of supporting seats are fixedly arranged on the bottom wall of the sealing seat.
As a further scheme of the utility model: the groove is filled with liquid, and the top end of the groove is in sliding contact with the sealing ring.
As a still further scheme of the utility model: and a flange is fixedly arranged at the bottom of the valve body.
Compared with the prior art, the utility model has the beneficial effects that: the utility model is provided with the sliding plate, wherein the sliding plate is connected with the connecting plate through the compression spring, the compression spring compresses the connecting plate on the top wall of the valve body to complete the sealing of the valve body, meanwhile, the slide plate is internally provided with a screw rod, the slide plate is driven by the screw rod to slide downwards, so that the elastic force of the compression spring is adjusted, the relief pressure of the relief valve can be adjusted to meet the use requirements of different oil storage tanks, the practicability of the device is increased, and the air duct is arranged at the exhaust hole of the valve cover, the bottom of the air duct is sealed by a pair of baffles, thereby effectively preventing external dust and other impurities from entering the valve body, meanwhile, the sealing ring is arranged at the bottom of the sealing plug and inserted into the groove, and liquid in the groove is wrapped on the side wall of the sealing ring, so that auxiliary sealing of the sealing plug is realized, the air tightness of the sealing plug is improved, and the normal work of the pressure release valve is ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial enlarged view of the present invention at a.
Fig. 3 is a partial enlarged view of the present invention at B.
As shown in the figure: 1. the valve body, 2, the valve gap, 3, the connecting plate, 4, the sealing plug, 5, the seal receptacle, 6, the supporting seat, 7, the air duct, 8, the guide bar, 9, the slide, 10, the pressure spring, 11, the screw rod, 12, the limiting plate, 13, the flange, 14, the connecting pipe, 15, the baffle, 16, the tension spring, 17, the sealing ring, 18, the recess, 19, the inner chamber, 20, the drain hole, 21, the piston plate, 22, the supporting spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, in an embodiment of the present invention, an emergency relief valve for an oil storage tank includes a valve body 1 and a valve cover 2, a flange 13 is fixedly installed at the bottom of the valve body 1, the valve body 1 is fixedly installed on the outer wall of the oil storage tank through the flange 13, the valve cover 2 is fixedly installed at the top of the valve body 1, a pair of guide rods 8 is fixedly installed on the top wall of the valve cover 2, a connecting plate 3 is slidably installed on the outer wall of the guide rods 8, a pair of compression springs 10 is fixedly installed at the top of the connecting plate 3, the other end of the compression spring 10 is fixedly installed on the bottom wall of a sliding plate 9, the compression springs 10 press the connecting plate 3 against the top wall of the valve body 1 to complete sealing of the valve body 1, the compression springs 10 are wound on the outer wall of the guide rods 8, the left and right sides of the sliding plate 9 are slidably installed on the outer wall of the guide rods 8, and a screw 11 is installed in the sliding plate 9, wherein screw rod 11 stretches out from the top of valve body 1, thereby carry out the lapse through screw rod 11 drive slide 9, thereby adjustment compression spring 10's elasticity size, can adjust the relief pressure size of bleeder valve, satisfy the user demand of different oil storage tanks, the practicality of device has been increased, the multiunit exhaust hole has been seted up on the left and right sides diapire of valve gap 2 simultaneously, the inside fixed mounting in exhaust hole has connecting pipe 14, and the air duct 7 is installed to the screw thread on connecting pipe 14's the outer wall, thereby realize the exhaust of valve gap 2.
Referring to fig. 2, it can be seen that: the bottom of the air duct 7 is rotatably provided with a pair of baffles 15, wherein the top of the baffle 15 is fixedly provided with a tension spring 16, the other end of the tension spring 16 is fixedly arranged on the inner wall of the air duct 7, and the pair of baffles 15 are tensioned together through the tension spring 16 to complete the sealing of the air duct 7; when oil storage tank internal pressure is greater than pressure spring 10's elasticity, with connecting plate 3 jack-up that makes progress, pass through high-pressure gas in the leading-in air duct 7 of connecting pipe 14, with baffle 15 outside towards the outside and open, can discharge high-pressure gas, play the effect of timely pressure release, guarantee the safety of oil storage tank, and when not releasing the pressure, baffle 15 shelters from air duct 7, effectively avoid impurity such as external dust to get into inside the valve body, guarantee the normal work of relief valve.
Referring to fig. 3, it can be seen that: fixed mounting has sealing plug 4 on the diapire of connecting plate 3, sealing plug 4 is same slidable mounting on the outer wall of guide bar 8, fixed mounting has annular seal receptacle 5 on the inner wall of valve body 1 simultaneously, wherein annular groove 18 has been seted up at the top of seal receptacle 5, and fixed mounting has sealing ring 17 on the diapire of sealing plug 4, wherein sealing ring 17 inserts in the recess 18, recess 18 intussuseption is filled with liquid simultaneously, thereby play supplementary sealed effect, guarantee between sealing plug 4 and the valve body 1 fully sealed together, and the top of recess 18 and sealing ring 17 sliding contact are in the same place, effectively avoid liquid to flow out from the top of recess 18.
A plurality of inner cavities 19 are formed in the sealing seat 5, wherein the tops of the inner cavities 19 are communicated with the groove 18 through liquid guide holes 20, a piston plate 21 is arranged in the inner cavities 19 in a sliding mode, a supporting spring 22 is fixedly arranged at the bottom of the piston plate 21, and the other end of the supporting spring 22 is fixedly arranged on the bottom wall of the inner cavity 19; in the installation process of the sealing plug 4, the sealing plug 4 is pressed on the top wall of the sealing seat 5 under the elastic force action of the pressing spring 10, the sealing ring 17 is inserted into the groove 18 at the moment, the liquid in the groove 18 is wrapped on the side wall of the sealing ring 17, the auxiliary sealing of the sealing plug 4 is realized, the installation air tightness of the sealing plug 4 is ensured, the redundant liquid in the groove 18 flows into the inner cavity 19 along the liquid guide hole 10, the piston plate 21 is extruded to move downwards, and the redundant liquid is stored.
Preferably, fixed mounting has multiunit supporting seat 6 on the diapire of seal receptacle 5, has increased the fastness of seal receptacle 5 fixed through supporting seat 6.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides an emergency relief valve of oil storage tank, includes valve body (1) and valve gap (2), its characterized in that: the valve cover (2) is fixedly installed at the top of the valve body (1), a pair of guide rods (8) is fixedly installed on the top wall of the valve cover (2), a connecting plate (3) is installed on the outer wall of each guide rod (8) in a sliding mode, a pair of compression springs (10) are fixedly installed at the top of each connecting plate (3), the other ends of the compression springs (10) are fixedly installed on the bottom wall of the sliding plate (9), the compression springs (10) compress the connecting plates (3) on the top wall of the valve body (1) to complete sealing of the valve body (1), the compression springs (10) are wound on the outer wall of the guide rods (8), meanwhile, the left side and the right side of the sliding plate (9) are installed on the outer wall of the guide rods (8) in a sliding mode, a screw rod (11) is installed on the inner threads of the sliding plate (9), the screw rod (11) extends out of the top of the valve body (1), and meanwhile, a plurality of groups of exhaust holes are formed in the bottom walls of the left side and the right side of the valve cover (2), the inside fixed mounting of exhaust hole has connecting pipe (14) to threaded installation has air duct (7) on the outer wall of connecting pipe (14).
2. An emergency relief valve for a storage tank as defined in claim 1, wherein: the bottom of the air duct (7) is rotatably provided with a pair of baffle plates (15), wherein the top of each baffle plate (15) is fixedly provided with a tension spring (16), the other end of each tension spring (16) is fixedly arranged on the inner wall of the air duct (7), and the pair of baffle plates (15) are tensioned together through the tension springs (16) to complete the sealing of the air duct (7).
3. An emergency relief valve for a storage tank as defined in claim 1, wherein: fixed mounting has sealing plug (4) on the diapire of connecting plate (3), and sealing plug (4) same slidable mounting is on the outer wall of guide bar (8), and fixed mounting has annular seal receptacle (5) on the inner wall of valve body (1) simultaneously, and wherein annular groove (18) have been seted up at the top of seal receptacle (5) to fixed mounting has sealing ring (17) on the diapire of sealing plug (4), and wherein sealing ring (17) insert in recess (18).
4. An emergency relief valve for a storage tank as defined in claim 3, wherein: a plurality of inner chambers (19) have been seted up to seal receptacle (5) inside, and wherein the top of inner chamber (19) is in the same place through drain hole (20) and recess (18) intercommunication, and slidable mounting has piston plate (21) in inner chamber (19) simultaneously, and wherein the bottom fixed mounting of piston plate (21) has supporting spring (22), and the other end fixed mounting of supporting spring (22) is on the diapire of inner chamber (19).
5. An emergency relief valve for a storage tank as defined in claim 3, wherein: and a plurality of groups of supporting seats (6) are fixedly arranged on the bottom wall of the sealing seat (5).
6. An emergency relief valve for a storage tank as defined in claim 3, wherein: the groove (18) is filled with liquid, and the top end of the groove (18) is in sliding contact with the sealing ring (17).
7. An emergency relief valve for a storage tank as defined in claim 1, wherein: and a flange (13) is fixedly arranged at the bottom of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121717997.4U CN216279593U (en) | 2021-07-27 | 2021-07-27 | Emergency relief valve of oil storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121717997.4U CN216279593U (en) | 2021-07-27 | 2021-07-27 | Emergency relief valve of oil storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216279593U true CN216279593U (en) | 2022-04-12 |
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ID=81058209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121717997.4U Active CN216279593U (en) | 2021-07-27 | 2021-07-27 | Emergency relief valve of oil storage tank |
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| Country | Link |
|---|---|
| CN (1) | CN216279593U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045631A (en) * | 2022-07-25 | 2022-09-13 | 帕特恩(大庆)石油科技有限公司 | Multi-stage sealing intelligent protector for polymer composite particles at well mouth of oil pumping machine |
| CN115059788A (en) * | 2022-08-18 | 2022-09-16 | 吴江天吴特种安全阀有限公司 | High emergency relief valve of security |
-
2021
- 2021-07-27 CN CN202121717997.4U patent/CN216279593U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045631A (en) * | 2022-07-25 | 2022-09-13 | 帕特恩(大庆)石油科技有限公司 | Multi-stage sealing intelligent protector for polymer composite particles at well mouth of oil pumping machine |
| CN115059788A (en) * | 2022-08-18 | 2022-09-16 | 吴江天吴特种安全阀有限公司 | High emergency relief valve of security |
| CN115059788B (en) * | 2022-08-18 | 2023-09-29 | 吴江天吴特种安全阀有限公司 | Emergency relief valve with high safety |
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