CN111907952A

CN111907952A - Gas detection and active protection device for secondary sealing bin of large crude oil storage tank

Info

Publication number: CN111907952A
Application number: CN202010921191.0A
Authority: CN
Inventors: 舒导; 曹岩峰; 李如前; 张友明
Original assignee: Shanghai Hongte Intelligent System Technology Co ltd
Current assignee: Shanghai Hongte Intelligent System Technology Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2020-11-10

Abstract

The application discloses gaseous detection of large-scale crude oil storage tank secondary seal storehouse and initiative protector, including jar wallboard, buffer tank, nitrogen gas jar, baroceptor, protective sheath, snubber block, flexure strip, curb plate, fan, pilot lamp, gas injection pipe, water pump, backup pad, first connecting pipe, control box, notes nitrogen mouth, sampling probe, floating roof, sealed piece, fixed plate, baffle, second connecting pipe, alarm, discharge port, protection frame, backing plate, cooling tube, sleeve pipe and third connecting pipe. The sampling probe detects the concentration of nitrogen in the sealed bin, and the nitrogen filling port can fill nitrogen to protect the sealed bin; the pressure sensor monitors the nitrogen amount in the nitrogen tank, the indicator light can prompt the nitrogen tank to supplement nitrogen in time, and the first connecting pipe and the second connecting pipe are convenient for the circulation and the emptying of the nitrogen; curb plate and backup pad do benefit to the installation and the protection of buffer tank and nitrogen gas jar, and protective sheath and snubber block can be to nitrogen gas jar shock attenuation protection, and fan and third connecting pipe can be to whole device heat dissipation protection.

Description

Gas detection and active protection device for secondary sealing bin of large crude oil storage tank

Technical Field

The application relates to a sealed cabin protection device, in particular to a secondary sealed cabin gas detection and active protection device for a large crude oil storage tank.

Background

The storage tank is used for storing chemical substances extracted from acid, alkali, alcohol, gas, liquid and the like. Storage tanks are widely used in north China, and mainly comprise the following components according to different materials: polyethylene storage tanks, polypropylene storage tanks, glass fiber reinforced plastic storage tanks, ceramic storage tanks, rubber storage tanks, stainless steel storage tanks, and the like.

The inside oil gas concentration of crude oil storage tank is inconvenient to be adjusted, lacks the nitrogen protection mechanism that initiatively fills, safety when can't guarantee the storage tank and use, and the jar body of storage nitrogen gas can not monitor the surplus of nitrogen gas at any time, and the nitrogen gas replenishment is not timely, influences the protection effect to the crude oil storage tank, and the jar body of nitrogen gas storage need protect, lacks protective structure, when nitrogen gas storage jar high temperature or receive the striking, influences the use and the storage safety of nitrogen gas. Therefore, the gas detection and active protection device for the secondary sealed cabin of the large crude oil storage tank is provided for solving the problems.

Disclosure of Invention

A gas detection and active protection device for a secondary sealed bin of a large crude oil storage tank comprises a tank wall plate, a detection mechanism and a protection mechanism, wherein a support plate is fixedly connected to the left side of the tank wall plate, a side plate is fixedly connected to the top of the support plate, and a buffer tank and a nitrogen tank penetrate through the top of the side plate;

the detection mechanism comprises a control box, a nitrogen injection port and a sampling probe, the control box is fixedly connected to the top of a supporting plate, a control module is fixedly connected to the interior of the control box, a first connecting pipe is installed at the top of the control module, the nitrogen injection port and the sampling probe are installed on the right side of the control box, and the nitrogen injection port and the sampling probe penetrate through a tank wall plate;

protection machanism includes protective sheath, fan and water pump, the protective sheath cup joints at the nitrogen gas jar outside, the protective sheath is bilayer structure, and is double-deck the inside rigid coupling of protective sheath has the snubber block, the fan is installed in the protective sheath left side, the water pump is installed to the fan bottom, the water pump rigid coupling is at the backup pad top.

Further, tank wall board right side rigid coupling has floats the top, it has the fixed plate to float top right side rigid coupling, float top bottom and run through by notes nitrogen mouth and sampling probe, float top left side top and install sealed piece, sealed piece top rigid coupling has the baffle.

Further, the inside rigid coupling of nitrogen gas jar has baroceptor, nitrogen gas tank bottom one side rigid coupling has the gas injection pipe, the flexure strip is installed at gas injection pipe top, the flexure strip is the arc, and the symmetry sets up the flexure strip gomphosis is inside the snubber block.

Further, the thickness of protective sheath is greater than nitrogen gas jar lateral wall, the snubber block is the sponge material, just the flexure strip that the inside gomphosis symmetry of snubber block set up encloses into the ellipse, the flexure strip is located the baroceptor outside.

Further, the rigid coupling has first connecting pipe between nitrogen gas jar and the buffer tank bottom, second connecting pipe one end is installed to first connecting pipe bottom, second connecting pipe top rigid coupling is in buffer tank top one side, there is the sampling probe second connecting pipe right side through the alarm rigid coupling.

Further, the buffer tank right side is being annotated nitrogen mouth through the alarm rigid coupling, annotate nitrogen mouth and be located second connecting pipe top below, annotate nitrogen mouth bottom and install the discharge port, the discharge port left end runs through behind the control box lateral wall rigid coupling in nitrogen gas tank bottoms portion.

Further, a backing plate is fixedly connected to the bottom of the inner cavity of the control box, a protection frame is clamped to the top of the backing plate, a control module is fixedly connected between the protection frame and the backing plate, and a second connecting pipe at the top of the protection frame is fixedly connected to the upper portion of the discharge port.

Furthermore, the inner cavity of the fan is sleeved with a cooling pipe, the right end of the cooling pipe is fixedly connected with one end of a third connecting pipe through two sleeves respectively, the bottom of the third connecting pipe is embedded inside the side plate, and one side of the bottom of the third connecting pipe is fixedly connected with a water pump.

Further, two indicator lamps penetrate through one side of the protective sleeve, the indicator lamps penetrate through the double-layer side wall of the protective sleeve, the indicator lamps are electrically connected with the control module, the indicator lamps are located above the gas injection pipe, and the electromagnetic valve is installed at the tail end of the gas injection pipe.

Further, all be provided with sun-proof coating on curb plate top and the left side outer wall, curb plate left side lateral wall is run through by the water filling port, the water filling port rigid coupling is on the third connecting pipe, just the water filling port is located the water pump top, the water pump is located the gas injection pipe below.

The beneficial effect of this application is: the application provides a but take safeguard function and radiating gaseous detection and initiative protector.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 3 is a schematic view of a protective cover according to an embodiment of the present application;

FIG. 4 is a schematic diagram of an internal structure of a control box according to an embodiment of the present application;

FIG. 5 is a schematic view of an alarm according to an embodiment of the present application;

FIG. 6 is a schematic view of a third example of a connector structure according to the present application;

fig. 7 is a schematic view of a portion of the enlarged structure shown in fig. 1A according to an embodiment of the present disclosure.

In the figure: 1. tank wall board, 2, buffer tank, 3, nitrogen gas jar, 301, baroceptor, 4, protective sheath, 401, snubber block, 402, flexure strip, 5, curb plate, 6, fan, 7, pilot lamp, 8, gas injection pipe, 9, the water pump, 10, the backup pad, 11, first connecting pipe, 12, the control box, 13, notes nitrogen mouth, 14, the sampling probe, 15, the floating roof, 16, the seal block, 17, the fixed plate, 18, the baffle, 19, the second connecting pipe, 20, the alarm, 21, the discharge port, 22, the protection frame, 23, the backing plate, 24, the backing plate, 25, the cooling tube, 2501, the sleeve pipe, 26, the third connecting pipe.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-7, the gas detection and active protection device for the secondary sealed bin of the large crude oil storage tank comprises a tank wall plate 1, a detection mechanism and a protection mechanism, wherein a support plate 10 is fixedly connected to the left side of the tank wall plate 1, a side plate 5 is fixedly connected to the top of the support plate 10, and a buffer tank 2 and a nitrogen tank 3 penetrate through the top of the side plate 5;

the detection mechanism comprises a control box 12, a nitrogen injection port 13 and a sampling probe 14, wherein the control box 12 is fixedly connected to the top of a support plate 10, a control module 23 is fixedly connected to the inside of the control box 12, a first connecting pipe 11 is installed at the top of the control module 23, the nitrogen injection port 13 and the sampling probe 14 are installed on the right side of the control box 12, and the nitrogen injection port 13 and the sampling probe 14 penetrate through a tank wall plate 1;

protection machanism includes protective sheath 4, fan 6 and water pump 9, protective sheath 4 cup joints in nitrogen gas jar 3 outsides, protective sheath 4 is bilayer structure, and is double-deck the inside rigid coupling of protective sheath 4 has snubber block 401, fan 6 is installed in protective sheath 4 left side, water pump 9 is installed to 6 bottoms of fan, the rigid coupling of water pump 9 is at backup pad 10 tops.

A floating roof 15 is fixedly connected to the right side of the tank wall plate 1, a fixing plate 17 is fixedly connected to the right side of the floating roof 15, the bottom of the floating roof 15 is penetrated through by a nitrogen injection port 13 and a sampling probe 14, a sealing block 16 is mounted at the top of the left side of the floating roof 15, and a baffle 18 is fixedly connected to the top of the sealing block 16, so that the mounting and the use of each structure on the two sides of the tank wall plate 1 are facilitated; an air pressure sensor 301 is fixedly connected inside the nitrogen tank 3, an air injection pipe 8 is fixedly connected to one side of the bottom of the nitrogen tank 3, an elastic sheet 402 is installed at the top of the air injection pipe 8, the elastic sheet 402 is arc-shaped, and the symmetrically arranged elastic sheets 402 are embedded inside a damping block 401, so that the elastic sheet 402 and the damping block 401 are matched with a double-layer protective sleeve 4 for damping protection; the thickness of the protective sleeve 4 is larger than that of the side wall of the nitrogen tank 3, the shock absorption block 401 is made of sponge materials, the elastic sheets 402 symmetrically arranged in the shock absorption block 401 are embedded into the shock absorption block 401 to form an oval shape, and the elastic sheets 402 are located outside the air pressure sensor 301, so that the elastic sheets 402 and the shock absorption block 401 can be conveniently installed and used; a first connecting pipe 11 is fixedly connected between the nitrogen tank 3 and the bottom of the buffer tank 2, one end of a second connecting pipe 19 is mounted at the bottom of the first connecting pipe 11, the top end of the second connecting pipe 19 is fixedly connected to one side of the top of the buffer tank 2, and a sampling probe 14 is fixedly connected to the right side of the second connecting pipe 19 through an alarm 20, so that the sampling probe 14 can monitor the gas concentration in the sealed bin conveniently; the right side of the buffer tank 2 is fixedly connected with a nitrogen injection port 13 through an alarm 20, the nitrogen injection port 13 is positioned below the top end of a second connecting pipe 19, a discharge port 21 is arranged at the bottom of the nitrogen injection port 13, the left end of the discharge port 21 penetrates through the side wall of the control box 12 and then is fixedly connected to the bottom of the nitrogen tank 3, and the nitrogen injection port 13 is convenient for nitrogen filling protection of the inside of the sealed bin; a backing plate 24 is fixedly connected to the bottom of the inner cavity of the control box 12, a protection frame 22 is clamped to the top of the backing plate 24, a control module 23 is fixedly connected between the protection frame 22 and the backing plate 24, and a second connecting pipe 19 at the top of the protection frame 22 is fixedly connected above the discharge port 21, so that the discharge port 21 can conveniently evacuate nitrogen in the buffer tank 2 and the nitrogen tank 3; a cooling pipe 25 is sleeved in the inner cavity of the fan 6, one end of a third connecting pipe 26 is fixedly connected to the right end of the cooling pipe 25 through two sleeves 2501, the bottom of the third connecting pipe 26 is embedded in the side plate 5, and a water pump 9 is fixedly connected to one side of the bottom of the third connecting pipe 26, so that the fan 6 can radiate the whole device conveniently; two indicator lamps 7 penetrate through one side of the protective sleeve 4, the indicator lamps 7 penetrate through the double-layer side wall of the protective sleeve 4, the indicator lamps 7 are electrically connected with the control module 23, the indicator lamps 7 are positioned above the gas injection pipe 8, and the tail end of the gas injection pipe 8 is provided with an electromagnetic valve, so that the indicator lamps 7 can give an alarm when the nitrogen in the nitrogen tank 3 is insufficient; all be provided with sun-proof coating on 5 tops of curb plate and the left side outer wall, 5 left side lateral walls of curb plate are run through by the water filling port, the water filling port rigid coupling is on third connecting pipe 26, just the water filling port is located 9 tops of water pump, water pump 9 is located 8 below of gas injection pipe, and the water pump 9 and the cooling of third connecting pipe 26 to fan 6 of being convenient for.

When the system is used, electrical elements appearing in the system are externally connected with a power supply and a control switch when the system is used, firstly, the sampling probe 14 is utilized to detect the concentration of nitrogen in the sealed cabin, when the concentration is too high, the control box 12 opens a valve on the nitrogen injection port 13 to fill nitrogen in the sealed cabin for protection, adjust the concentration, reduce the oil and gas concentration in the crude oil storage tank, ensure the use safety of the storage tank, actively protect the storage tank, convert the traditional ex-post fire fighting into ex-prior active protection, and realize the intrinsic safety of the operation of the storage tank; the nitrogen tank is internally provided with an air pressure sensor 301 for monitoring the nitrogen amount inside the nitrogen tank 3, when the nitrogen is insufficient, an indicator light 7 lights up for alarming, a worker can conveniently and timely supplement the nitrogen to the nitrogen tank 3 by using an air injection pipe 8, the buffer tank 2 can buffer the nitrogen discharged from the nitrogen tank 3 to avoid the use of the excessive influence of the air pressure, the first connecting pipe 11 can realize the circulation between the nitrogen tank 3 and the buffer tank 2, the second connecting pipe 19 is communicated with an air outlet 21 through electromagnetic valve control, the air outlet 21 can conveniently evacuate the nitrogen tank 3 and the buffer tank 2, a protective sleeve 4 is sleeved outside the nitrogen tank 3, a damping block 401 and a steel elastic sheet 402 can wrap and protect the outside of the nitrogen tank 3 when the nitrogen tank 3 is impacted by external force, the damage to the nitrogen tank 3 is reduced, a sun-proof coating is made of carbon black shading coating, and a fan 6 and a side plate 5 with the sun-proof coating can cool the nitrogen, Sun-proof protection, the water pump 9 one side external water source, the inside hydrologic cycle of third connecting pipe 26 with higher speed is handled the fan 6 cooling, promotes the radiating effect of fan 6 to whole device.

The application has the advantages that:

1. the sampling probe 14 detects the concentration of nitrogen in the sealed bin, the nitrogen injection port 13 can actively charge nitrogen for protection and adjust the concentration of the nitrogen, the use safety of the sealed bin is ensured, and the buffer tank 2 can buffer the nitrogen, so that the use of the nitrogen is facilitated;

2. the structure is reasonable, the air pressure sensor 301 monitors the nitrogen amount in the nitrogen tank 3, the indicator light 7 can give an alarm for insufficient nitrogen, the gas injection pipe 8 can conveniently supplement nitrogen to the nitrogen tank 3 in time, and the first connecting pipe 11 and the second connecting pipe 19 are convenient for the circulation and the emptying of the nitrogen;

3. curb plate 5 and backup pad 10 do benefit to the installation and the protection of buffer tank 2 and nitrogen gas jar 3, and protective sheath 4 and snubber block 401 can be to 3 shock attenuation protection of nitrogen gas jar, and fan 6 can promote the radiating effect to whole device heat dissipation protection, water pump 9 and third connecting pipe 26.

It is well within the skill of those in the art to implement and protect the present invention without undue experimentation and without undue experimentation that the present invention is directed to software and process improvements.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a gaseous detection of large-scale crude oil storage tank secondary seal storehouse and initiative protector which characterized in that: the device comprises a tank wall plate (1), a detection mechanism and a protection mechanism, wherein a supporting plate (10) is fixedly connected to the left side of the tank wall plate (1), a side plate (5) is fixedly connected to the top of the supporting plate (10), and a buffer tank (2) and a nitrogen tank (3) penetrate through the top of the side plate (5);

the detection mechanism comprises a control box (12), a nitrogen injection port (13) and a sampling probe (14), wherein the control box (12) is fixedly connected to the top of a support plate (10), a control module (23) is fixedly connected to the inside of the control box (12), a first connecting pipe (11) is installed at the top of the control module (23), the nitrogen injection port (13) and the sampling probe (14) are installed on the right side of the control box (12), and the nitrogen injection port (13) and the sampling probe (14) penetrate through a tank wall plate (1);

protection machanism includes protective sheath (4), fan (6) and water pump (9), protective sheath (4) cup joint in nitrogen gas jar (3) outside, protective sheath (4) are bilayer structure, and are double-deck the inside rigid coupling of protective sheath (4) has snubber block (401), fan (6) are installed in protective sheath (4) left side, water pump (9) are installed to fan (6) bottom, water pump (9) rigid coupling is at backup pad (10) top.

2. The gas detection and active protection device for the secondary sealed cabin of the large crude oil storage tank as claimed in claim 1, wherein: tank wall board (1) right side rigid coupling has floating roof (15), floating roof (15) right side rigid coupling has fixed plate (17), floating roof (15) bottom is annotated nitrogen mouth (13) and sampling probe (14) and is run through, floating roof (15) left side top is installed sealed piece (16), sealed piece (16) top rigid coupling has baffle (18).

3. The gas detection and active protection device for the secondary sealed cabin of the large crude oil storage tank as claimed in claim 1, wherein: the inside rigid coupling of nitrogen gas jar (3) has baroceptor (301), nitrogen gas jar (3) bottom one side rigid coupling has gas injection pipe (8), elastic sheet (402) are installed at gas injection pipe (8) top, elastic sheet (402) are the arc, and the symmetry sets up elastic sheet (402) gomphosis is inside snubber block (401).

4. The gas detection and active protection device for the secondary seal cabin of the large crude oil storage tank as claimed in claim 3, wherein: the thickness of protective sheath (4) is greater than nitrogen gas jar (3) lateral wall, snubber block (401) are the sponge material, just elastic sheet (402) that the inside gomphosis symmetry of snubber block (401) set up enclose into the ellipse, elastic sheet (402) are located baroceptor (301) outside.

5. The gas detection and active protection device for the secondary sealed cabin of the large crude oil storage tank as claimed in claim 1, wherein: the rigid coupling has first connecting pipe (11) between nitrogen gas jar (3) and buffer tank (2) bottom, second connecting pipe (19) one end is installed to first connecting pipe (11) bottom, second connecting pipe (19) top rigid coupling is in buffer tank (2) top one side, there is sampling probe (14) on second connecting pipe (19) right side through alarm (20) rigid coupling.

6. The gas detection and active protection device for the secondary sealed cabin of the large crude oil storage tank as claimed in claim 1, wherein: buffer tank (2) right side is passed through alarm (20) rigid coupling and is being annotated nitrogen mouth (13), annotate nitrogen mouth (13) and be located second connecting pipe (19) top below, annotate nitrogen mouth (13) bottom and install discharge port (21), discharge port (21) left end runs through rigid coupling in nitrogen gas jar (3) bottom behind control box (12) lateral wall.

7. The gas detection and active protection device for the secondary sealed cabin of the large crude oil storage tank as claimed in claim 1, wherein: the bottom of the inner cavity of the control box (12) is fixedly connected with a backing plate (24), the top of the backing plate (24) is clamped with a protective frame (22), a control module (23) is fixedly connected between the protective frame (22) and the backing plate (24), and a second connecting pipe (19) at the top of the protective frame (22) is fixedly connected above a discharge port (21).

8. The gas detection and active protection device for the secondary sealed cabin of the large crude oil storage tank as claimed in claim 1, wherein: fan (6) inner chamber has cup jointed cooling tube (25), cooling tube (25) right-hand member has third connecting pipe (26) one end through two sleeve pipes (2501) difference rigid couplings, third connecting pipe (26) bottom gomphosis is inside curb plate (5), just third connecting pipe (26) bottom one side rigid coupling has water pump (9).

9. The gas detection and active protection device for the secondary sealed cabin of the large crude oil storage tank as claimed in claim 1, wherein: protective sheath (4) one side is run through there are two pilot lamps (7), pilot lamp (7) run through protective sheath (4) double-deck lateral wall, electric connection between pilot lamp (7) and control module (23), pilot lamp (7) are located gas injection pipe (8) top, the solenoid valve is installed to gas injection pipe (8) end.

10. The gas detection and active protection device for the secondary sealed cabin of the large crude oil storage tank as claimed in claim 1, wherein: all be provided with sun-proof coating on curb plate (5) top and the left side outer wall, curb plate (5) left side lateral wall is run through by the water filling port, the water filling port rigid coupling is on third connecting pipe (26), just the water filling port is located water pump (9) top, water pump (9) are located gas injection pipe (8) below.