CN219619965U - Corrosion detection device for storage tank for chemical safety - Google Patents

Abstract

The utility model belongs to the technical field of chemical equipment, and particularly relates to a corrosion detection device for a storage tank for chemical safety, which comprises a detection device, wherein the detection device is arranged at a discharge valve arranged at the bottom of a storage tank, the detection device comprises an inner pipe body, the upper end and the lower end of the inner pipe body are respectively provided with a threaded connection nut and an external threaded structure of a discharge valve, a fixed plate is arranged on the inner pipe body, a pressing plate and a lower sealing gasket are sleeved in a sliding manner, a discharge opening is arranged on the side surface of the inner pipe body, the pressing plate and the lower sealing gasket are clamped between the discharge valve and the pressing plate, the inner pipe body slides through a sealing cover, an upper sealing gasket is arranged at the bottom end of the sealing cover and is tightly pressed on the inner wall of the storage tank in an adapting manner, and the top of the sealing cover is connected with the bottom end of a temporary storage bottle through a feed valve. The detection device can contain a solvent with smaller capacity, is hermetically arranged on the storage tank, and can conveniently and safely detect corrosiveness at the joint of the storage tank and the discharge valve.

Description

Corrosion detection device for storage tank for chemical safety

Technical Field

The utility model belongs to the technical field of chemical equipment, and particularly relates to a corrosion detection device for a storage tank for chemical safety.

Background

In industrial processes, the liquid level of many highly corrosive liquid storage tanks needs to be detected on-line. For example, concentrated sulfuric acid, concentrated hydrochloric acid, concentrated phosphoric acid, concentrated nitric acid, concentrated ammonia water, nickel sulfate solution, chromium sulfate solution, and other liquids are very corrosive. The drain hole of horizontal storage tank generally sets up in the bottom, and quantity is unlimited, installs the drain hole door through flange joint's mode generally, and the leak can take place fast when the connection leakproofness between the drain hole of horizontal storage tank and the jar body goes wrong, like the welding seam is weak, when the resin covers unevenly, the drain hole of the horizontal storage tank that receives the corruption for a long time can influence production and environmental safety. The device for conveniently and safely detecting the connection tightness between the discharge hole and the tank body of the horizontal storage tank by using less corrosive liquid is lack of a simple structure in the existing market.

Disclosure of Invention

In view of the above problems, an object of the present utility model is to: the utility model provides a corrosion detection device for holding vessel for chemical industry safety solves and lacks a simple structure in the current market, can be convenient with less corrosive liquids of volume, the safe device of the connection leakproofness between the drain hole of detecting horizontal storage tank and the jar body.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a storage tank corrosivity detection device for chemical industry safety, includes detection device, detection device installs the blowing valve department of seting up in the storage tank bottom, detection device includes interior body, threaded connection nut and the external screw thread structure of blowing valve have been seted up respectively at the upper and lower both ends of interior body, be provided with fixed plate and slip sheet on the interior body and be equipped with clamp plate and lower sealed pad, the bin outlet has been seted up to the side of interior body, clamp plate, lower sealed pad clamp are installed between blowing valve and clamp plate, interior body slides and passes sealed lid, the bottom of sealed lid is provided with sealed pad, it sticiss on the inner wall of storage tank to go up sealed pad adaptation, the bottom of temporary storage bottle is connected through the feed valve to the top of sealed lid.

The beneficial effects of the utility model are as follows: the detection device can contain a solvent with smaller capacity, is hermetically arranged on the storage tank, and can conveniently and safely detect corrosiveness at the joint of the storage tank and the discharge valve.

In order to ensure the tightness of the sealing cover;

as a further improvement of the above technical scheme: the sealing cover is of a cover body structure with an opening at the bottom end, and the bottom surface of the upper sealing gasket is parallel to the bottom surface of the sealing cover.

The beneficial effects of this improvement are: the upper sealing gasket has an effective sealing effect after being extruded by the inner wall of the storage tank and the sealing cover.

In order to ensure the stability of the movement of the sealing cover;

as a further improvement of the above technical scheme: the inner side of the sealing cover is provided with a sliding sleeve which is sleeved with the inner pipe body in a sliding manner.

The beneficial effects of this improvement are: the sliding sleeve plays a stable limiting role.

In order to facilitate sealing of the discharge valves with different specifications;

as a further improvement of the above technical scheme: the pressing plate and the lower sealing gasket are of flat annular structures.

The beneficial effects of this improvement are: the pressing plate and the lower sealing gasket can be conveniently assembled, disassembled and replaced on the inner pipe body, so that the discharging valves with different specifications are adapted to be sealed.

In order to effectively discharge the solvent in the sealing cover;

as a further improvement of the above technical scheme: the bottom of the discharge hole is flush with the top surface of the fixed plate.

The beneficial effects of this improvement are: the solvent in the sealing cover can be completely discharged through the discharge hole and the inner pipe body.

For rapid release of the solvent in the seal cap;

as a further improvement of the above technical scheme: the number of the discharge ports is multiple, and the axial lines of the inner pipe body are used as circumferential and equidistant surrounding shafts.

The beneficial effects of this improvement are: the solvent in the sealing cover can be rapidly discharged into the inner pipe body through a plurality of discharge ports.

In order to ensure the tightness of the temporary storage bottle;

as a further improvement of the above technical scheme: the top end of the temporary storage bottle is connected with a bottle cap through threads.

The beneficial effects of this improvement are: the bottle cap plays a role in sealing the temporary storage bottle.

None of the parts of the device are the same as or can be implemented using prior art.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side cross-sectional view of the present utility model;

FIG. 3 is a cross-sectional view of a detection device according to the present utility model;

FIG. 4 is an enlarged view of A in the present utility model;

in the figure: 1. a storage tank; 2. a discharge port; 3. a detection device; 31. an inner tube body; 32. a fixing plate; 33. a discharge port; 34. a pressing plate; 35. a lower gasket; 36. a discharge valve; 37. sealing cover; 371. a sliding sleeve; 38. an upper gasket; 39. a nut; 40. a feed valve; 41. temporary storage bottles; 42. and (5) a bottle cap.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.

Example 1:

as shown in fig. 1-4: the utility model provides a storage tank corrosiveness detection device for chemical industry safety, includes detection device 3, detection device 3 installs the blowing valve 2 department of seting up in storage tank 1 bottom, detection device 3 includes interior body 31, threaded connection nut 39 and the external screw thread structure of blow off valve 36 have been seted up respectively to the upper and lower both ends of interior body 31, be provided with fixed plate 32 and slip cover on the interior body 31 and be equipped with clamp plate 34 and lower sealing pad 35, the bin outlet 33 has been seted up to the side of interior body 31, clamp plate 34, lower sealing pad 35 clamp is between blowing valve 2 and clamp plate 34, interior body 31 slides and passes sealed lid 37, the bottom of sealed lid 37 is provided with sealing pad 38, upper sealing pad 38 adaptation is sticiss on the inner wall of storage tank 1, the bottom of temporary storage bottle 41 is connected through feed valve 40 to the top of sealed lid 37, but detection device 3 holding less capacity solvent, the sealing cover 37 is of a cover body structure with an opening at the bottom end, the bottom surface of the upper sealing gasket 38 is parallel to the bottom surface of the sealing cover 37, the upper sealing gasket 38 has an effective sealing function after being extruded by the inner wall of the storage tank 1 and the sealing cover 37, the inner side of the sealing cover 37 is provided with a sliding sleeve 371 which is in sliding sleeve joint with the inner pipe body 31, the pressing plate 34 and the lower sealing gasket 35 are of flat ring-shaped structures, the pressing plate 34 and the lower sealing gasket 35 can be conveniently assembled and disassembled on the inner pipe body 31, so that the discharging valves 2 with different specifications are matched and sealed, the bottom of the discharging opening 33 is flush with the top surface of the fixed plate 32, the solvent in the sealing cover 37 can be discharged through the inner pipe body 31 through the discharging opening 33, the quantity of the discharging opening 33 is a plurality, and with the axis of interior body 31 as encircling the equidistant setting of axle circumference, the solvent in the sealed lid 37 accessible a plurality of bin outlet 33 is arranged to interior body 31 fast, the top threaded connection of temporary storage bottle 41 has bottle lid 42, and bottle lid 42 plays sealed temporary storage bottle 41's effect.

The working principle of the technical scheme is as follows: when the detection device 3 is installed, one person slides and inserts the inner pipe 31 from the lower side of the discharging hole 2 to the upper side of the discharging hole 2, and the lower sealing gasket 35 and the pressing plate 34 are sleeved on the outer side of the inner pipe 31 between the discharging hole 2 and the fixed plate 32 in a sliding manner from top to bottom; the other person closes the feed valve 40, unscrews the bottle cap 42, pours a proper amount of corrosive solvent into the temporary storage bottle 41, and then tightens the bottle cap 42 to ensure the tightness of the temporary storage bottle 41; then the operator puts the sealing cover 37 together with the temporary storage bottle 41 into the storage tank 1 through the manhole on the storage tank 1, and makes the inner pipe 31 slide and insert into the sliding sleeve 371, then uses the nut 39 to screw the inner pipe 31, makes the nut 39 push the sealing cover 37, and then makes the upper sealing pad 38 tightly pressed on the inner wall of the storage tank 1, and the lower sealing pad 35 tightly pressed on the flange of the discharge hole 2; then an operator opens the feed valve 40, the solvent in the temporary storage bottle 41 is put into the sealing cover 37, and the solvent covers the joint between the discharge port of the horizontal storage tank and the tank body at the moment, so that corrosiveness detection is carried out; after the detection is completed, the operator opens the discharge valve 36 to discharge and collect the solvent.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely illustrative of the preferred embodiments of the utility model, and it is noted that there is virtually no limit to the specific structure which may be imposed by those skilled in the art without departing from the spirit of the utility model, and that modifications, adaptations, or variations of the foregoing features may be combined in a suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims (7)

1. The utility model provides a chemical industry is holding vessel corrosiveness detection device for safety which characterized in that: including detection device (3), detection device (3) install blowing valve (2) department of seting up in storage tank (1) bottom, detection device (3) are including interior body (31), threaded connection nut (39) and the external screw thread structure of discharge valve (36) have been seted up respectively to the upper and lower both ends of interior body (31), be provided with fixed plate (32) and slip cover on interior body (31) and be equipped with clamp plate (34) and lower sealed pad (35), bin outlet (33) have been seted up to the side of interior body (31), clamp plate (34), lower sealed pad (35) clamp is installed between blowing valve (2) and clamp plate (34), interior body (31) slip passes sealed lid (37), the bottom of sealed lid (37) is provided with sealed pad (38), the top of sealed pad (38) adaptation is on the inner wall of storage tank (1), the bottom of holding in bottle (41) is connected through feed valve (40).

2. The corrosion detection device for a storage tank for chemical safety according to claim 1, wherein: the sealing cover (37) is of a cover body structure with an opening at the bottom end, and the bottom surface of the upper sealing gasket (38) is parallel to the bottom surface of the sealing cover (37).

3. The corrosion detection device for a storage tank for chemical safety according to claim 1, wherein: the inner side of the sealing cover (37) is provided with a sliding sleeve (371) which is sleeved with the inner pipe body (31) in a sliding way.

4. The corrosion detection device for a storage tank for chemical safety according to claim 1, wherein: the pressing plate (34) and the lower sealing gasket (35) are of flat annular structures.

5. The corrosion detection device for a storage tank for chemical safety according to claim 1, wherein: the bottom of the discharge hole (33) is flush with the top surface of the fixed plate (32).

6. The corrosion detection device for a storage tank for chemical safety according to claim 1, wherein: the number of the discharge ports (33) is plural, and the discharge ports are arranged in an equal order around the circumferential direction of the shaft by taking the axis of the inner pipe body (31).

7. The corrosion detection device for a storage tank for chemical safety according to claim 1, wherein: the top end of the temporary storage bottle (41) is connected with a bottle cap (42) through threads.