CN208795424U - Integral flange structure of transmitter - Google Patents

Abstract

The utility model provides a kind of Integral flange structure of transmitter, it is related to tank leakage detection device technical field, including first shell, second shell and waterproof sealant pouring and sealing box, first shell is fastenedly connected with second shell by several attachment screws, and first shell and second shell touching position are additionally provided with special-shaped rubber gasket, the lower part of first shell is upper flange plate, multiple through-holes are evenly arranged on upper flange plate, waterproof sealant pouring and sealing box is placed in first shell inner cavity, and round rubber gasket is also pasted on the bottom surface of waterproof sealant pouring and sealing box；The top of second shell also sets up two internal thread holes, and two internal thread holes can be docked with explosion-proof flexible pipe.In the utility model, upper flange plate and transmitter first shell are integrated into a whole, avoiding coupling part from having, liquid penetrates into inside transmitter or detection riser interiors damage equipment, improves service life of equipment；Installation maintenance is simple, reduces maintenance time and cost.

Description

Integral flange structure of transmitter

Technical field

The utility model relates to tank leakage detection device technical field more particularly to a kind of Integral flange transmitter knots Structure.

Background technique

SF two-compartment oil tank entitled steel strengthened glass fiber double-layer structure oil vessel entirely, is outside single layer steel oil tank Additional layer fiberglass reinforced plastics (i.e. glass reinforced plastic) antiseepage housing, thus constitute double-layer structure oil tank, steel inner canister with There is perforation clearance space between FRP outer tank.

Detection standpipe: being installed on the longitudinal centre line of roof, and bottom nozzle is connected with perforation gap, head tube Mouth is provided with sealing cover, is connect with internal layer tank using welding by both sides complete penetraction and fusion in welding structure, for installing leakage detection device, to the double-deck oil Tank carries out leakage real-time monitoring.Seepage detection system: it is mainly used for supervising the inside and outside wall leakage scenarios of two-compartment oil tank in real time It surveys, when avoiding two-compartment oil tank unexpected damaged, oil plant enters external environment pollution environment, and seepage detection system can leak Or occur sounding an alarm in the case where the system failure.Ring flange: make pipe and pipe part interconnected, be connected to pipe end； Perforation on flange, bolt are close to two flanges, with liner sealing between flange.In SF double layer oil pipe monitoring of leakage system, method Blue disk is generally used for connection transmitter and two-compartment oil tank detects standpipe.Transmitter: it in seepage detection system, is sensed in liquid Device and alarm controller middle position, are capable of handling the detection signal of liquid sensor, and communicated with controller, will test Signal uploads to controller, to achieve the purpose that real-time monitoring.

The detection standpipe of SF two-compartment oil tank is typically provided with lower flange, the transmitter of seepage detection system during installation, It generallys use upper flange plate to dock with detection standpipe lower flange, the mode that transmitter is docked with upper flange plate again.Transmitter with There are two types of more commonly used docking modes at present for upper flange plate: one is transmitters directly directly to dock with upper flange plate；It is another Kind is that transmitter is connect with upper flange plate by part of transferring, and the screw thread docked with switching part is respectively designed in the two, this Body does not dock directly.

Either transmitter is directly docked with upper flange plate, or uses switching part connection transmitter and upper flange plate Mounting means, during installation, since the space of tank operation well is very narrow, installation process is cumbersome；Meanwhile transmitter with Riser interiors possibility is penetrated into inside transmitter there is also liquid or detected in the coupling part of ring flange；In addition, the later period is live When maintenance, there is also the problems of dismounting and change difficulty.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of Integral flange structure of transmitter.

To achieve the above object, the utility model adopts the following technical solutions:

Integral flange structure of transmitter, including first shell, second shell and waterproof sealant pouring and sealing box, the first shell Body is fastenedly connected with second shell by several attachment screws, and first shell and second shell touching position are additionally provided with abnormity Rubber gasket, the lower part of first shell are upper flange plate, and multiple through-holes are evenly arranged on the upper flange plate, and upper flange plate is logical It crosses through-hole and is docked with the lower flange connect on detection standpipe, the waterproof sealant pouring and sealing box is placed in first shell inner cavity, anti- Round rubber gasket is also pasted on the bottom surface of water sealant pouring and sealing box；The top of the second shell also sets up two internal screw threads Hole, two internal thread holes can be docked with explosion-proof flexible pipe.

The technical solution of the utility model further includes that ground connection tapped through hole is opened up in the second shell, and ground connection screw thread is logical Equipped with the earthing screw for installing ground line in hole.

The technical solution of the utility model further includes that the bottom of the waterproof sealant pouring and sealing box is equipped with Waterproof lock wire terminal.

The technical solution of the utility model further includes being also provided with placement detection circuit board in the waterproof sealant pouring and sealing box Groove.

The technical solution of the utility model further includes that the internal thread hole is adapted with explosion-proof flexible pipe.

The technical solution of the utility model further includes that the explosion-proof flexible pipe also passes through coating steel pipe and alarm controller phase Even.

The utility model has the beneficial effects that

1, by upper flange plate in conjunction with transmitter first shell together, become an entirety, the two is closed by two One, coupling part is not present, avoiding coupling part has liquid to penetrate into detection standpipe；

2, installation process simplifies, and later maintenance simplifies, and does not need to dismantle ring flange and explosion-proof flexible pipe again, after effectively reducing Phase on-site maintenance bring time and human cost；

3, special-shaped rubber gasket and round rubber gasket, effectively can prevent liquid from entering inner cavity, prevent electricity The damage of road plate；

4, detection circuit board is fully sealed using glue envelope design, Important Components and detection circuit, avoids steam etc. pair Equipment damage caused by the corrosion of detection circuit greatly increases the service life of equipment.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is first shell inner-cavity structure schematic diagram in the utility model；

Fig. 3 is the waterproof sealant pouring and sealing box structure schematic diagram in the utility model.

Wherein, 1- first shell；2- second shell；3- attachment screw；4- earthing screw；5- abnormity rubber gasket；6- First shell inner cavity；7- round rubber gasket；8- internal thread hole；9- through-hole；10- waterproof sealant pouring and sealing box；11- waterproof locking wire Connector；12- groove；13- upper flange plate.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1-3, Integral flange structure of transmitter, including first shell 1, second shell 2 and waterproof encapsulating are close Jacket 10, first shell 1 is fastenedly connected with second shell 2 by several attachment screws 3, and first shell 1 and second shell 2 Touching position is additionally provided with special-shaped rubber gasket 5, carries out waterproof sealing processing, such connection side using special-shaped rubber gasket 5 Formula convenient disassembly enhances the operability of later maintenance；The lower part of first shell 1 is upper flange plate 13, on upper flange plate 13 Multiple through-holes 9 are evenly arranged, upper flange plate 13 is docked by through-hole 9 with the lower flange connect on detection standpipe, and waterproof encapsulating is close Jacket 10 is placed in first shell inner cavity 6, is also pasted with round rubber gasket 7 on the bottom surface of waterproof sealant pouring and sealing box 10； The top of second shell 2 is also devised with two six points of internal thread holes 8, do not need carry out thread size switching, can be directly used for Six points of explosion-proof flexible pipe docking, enhance convenience.

Second shell 2 and first shell 1 are surface-treated by cast aluminium die cast, and to outer surface, with routine Steel flanges are compared, and appearance is more exquisite, possess more excellent resistance to corrosion, are suitable for the complicated ring such as gas station and chemical plant It is used in border.

Special-shaped rubber gasket 5 uses oil-resistant rubber material, has good oil resistance, can be for a long time in oil and gas environments Middle use, meanwhile, special-shaped rubber gasket 5 can effectively prevent the steam in operation well etc. from entering inside first shell 1, Extend the service life of equipment.

Particularly, ground connection tapped through hole 9 is opened up in second shell 2, is grounded in tapped through hole 9 and earthing screw 4 is installed, and is used In installation connection ground line, the security reliability of equipment is enhanced.

Particularly, the bottom of waterproof sealant pouring and sealing box 10 be equipped with Waterproof lock wire terminal 11, for connect liquid sensor with And the position of fixed liquid sensor.

Particularly, the groove 12 for placing detection circuit board is also provided in waterproof sealant pouring and sealing box 10, groove shapes can Change according to the actual situation.

Particularly, internal thread hole 8 is adapted with explosion-proof flexible pipe.

Explosion-proof flexible pipe also passes through coating steel pipe and is connected with alarm controller, provides this by the guard grating in alarm controller Matter safety type power fundamentally ensure that the safety of equipment itself.

The design size of the flange portions of first shell 1 meets GB9119-2000 " plane, convex panel type downhand welding steel Pipe flange " in design requirement under the conditions of PN4.0Mpa, the through-hole 9 of 8 φ 18 is evenly equipped on upper flange plate 13, is used for and detection Lower flange on standpipe is docked.

It will test circuit board to be placed into waterproof sealant pouring and sealing box 10, and carry out glue envelope, prevent from accidentally entering first shell The liquid or steam of inner cavity 6 damage detection circuit, enhance the reliability and stability of detection circuit.

The bottom surface of waterproof sealant pouring and sealing box 10 is pasted with a round rubber gasket 7, when installation, waterproof sealant pouring and sealing box 10 It need to be placed into 6 bottom of first shell inner cavity, be then mounted together second shell 2 and first shell 1, round rubber gasket 7 will receive extruding, and deformation occurs, to achieve the effect that waterproof sealing；Round rubber gasket 7 equally uses oil resistant rubber system It forms, there is good oil resistance, meanwhile, the liquid that can effectively prevent accidentally entering first shell inner cavity 6 enters In the detection standpipe of SF two-compartment oil tank, the occurrence of avoiding false alarm, while can also prevent in perforation gap there may be Steam enter first shell inner cavity 6.

Embodiment

By in above-mentioned new structure first shell 1 and second shell 2 connection type, replacement are as follows: first shell 1 with 2 junction of second shell opens up seal groove, and sealing strip is installed in seal groove.Remaining structure is all the same.

The equipment needs to connect liquid sensor and is used together with alarm controller, and equipment is in use, liquid sensor is real When monitoring two-compartment oil tank perforation gap in fluid seepage situation, and with inside transmitter detection circuit carry out real-time communication； Later, the information that detection circuit has again been handled oneself uploads in controller, the signal that controller is uploaded according to detection circuit Type makes different responses respectively.

The utility model is combined upper flange plate 13 together with the first shell 1 of transmitter, become one it is whole No longer there is coupling part by two-in-one in body, the two, avoiding coupling part has liquid to penetrate into detection standpipe；Meanwhile pacifying Process simplification is filled, later maintenance simplifies, do not need to dismantle ring flange again.

The utility model structure can be applied to the leak detection of the detection mode in addition to liquid sensor, can also be applied to The leak detection of other types two-compartment oil tank.

The utility model, which has the special feature that, is:

1, it ensure that the safety-type of equipment itself, while carrying out leak detection to SF two-compartment oil tank, without other peaces Full hidden danger.

2, compared to common steel flanges disk, the ring flange of casting aluminium material is designed, on the basis for meeting requirement, After surface treatment, possess more excellent Corrosion Protection.

3, can effectively prevent because long-time is in wet environment, the coupling part of transmitter and ring flange is corroded, It is difficult to the problem of disassembling.

4, disassembly ring flange and explosion-proof flexible pipe is not needed when later period on-site maintenance, only removing second shell can be completed pair The maintenance of equipment can effectively reduce later period on-site maintenance bring time and human cost；

5, detection circuit board is fully sealed using glue envelope design, Important Components and detection circuit, avoids steam etc. pair Equipment damage caused by the corrosion of detection circuit greatly increases the service life of equipment.

6, special-shaped rubber gasket and round rubber gasket can effectively prevent the inner cavity that liquid enters, to prevent Circuit board damage.

Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, are also answered Belong to the protection scope of the utility model.

Claims (6)

1. Integral flange structure of transmitter, which is characterized in that including first shell, second shell and waterproof sealant pouring and sealing box, The first shell is fastenedly connected with second shell by several attachment screws, and first shell and second shell touching position It is additionally provided with special-shaped rubber gasket, the lower part of first shell is upper flange plate, multiple through-holes are evenly arranged on the upper flange plate, Upper flange plate is docked by through-hole with the lower flange connect on detection standpipe, and the waterproof sealant pouring and sealing box is placed in first shell In chamber, round rubber gasket is also pasted on the bottom surface of waterproof sealant pouring and sealing box；The top of the second shell is also set up Two internal thread holes, two internal thread holes can be docked with explosion-proof flexible pipe.

2. Integral flange structure of transmitter as described in claim 1, which is characterized in that open up ground connection in the second shell Tapped through hole is grounded in tapped through hole equipped with the earthing screw for installing ground line.

3. Integral flange structure of transmitter as described in claim 1, which is characterized in that the bottom of the waterproof sealant pouring and sealing box Portion is equipped with Waterproof lock wire terminal.

4. Integral flange structure of transmitter as claimed in claim 3, which is characterized in that in the waterproof sealant pouring and sealing box also Offer the groove for placing detection circuit board.

5. Integral flange structure of transmitter as described in claim 1, which is characterized in that the internal thread hole and explosion-proof flexibility Pipe is adapted.

6. Integral flange structure of transmitter as claimed in claim 5, which is characterized in that the explosion-proof flexible pipe also passes through plating Zinc steel pipe is connected with alarm controller.