CN213824681U

CN213824681U - Negative pressure safety device for producing corrosion and scale inhibitor

Info

Publication number: CN213824681U
Application number: CN202021818749.4U
Authority: CN
Inventors: 梁华强; 冯培轩
Original assignee: Hkq Tianjin Water Additives Co ltd
Current assignee: Hkq Tianjin Water Additives Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-07-30
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a production inhibition is negative pressure safeties for antisludging agent, including the production jar main part, the upper end of production jar main part is provided with the inlet pipe, the lower extreme of production jar main part is provided with the discharging pipe, one side that the upper end of production jar main part is close to the inlet pipe is provided with the fixed block, the inside of fixed block is drawn empty and is provided with the through-hole, the upside that the inside of fixed block is close to the through-hole is drawn empty and is provided with inlays the groove, the inside of inlaying the groove is provided with sealed the pad, the upper end of sealed pad is provided with the installation piece, the inside of installation piece is run through and is provided with fastening bolt, the upper end of installation piece is provided with the safety sleeve pipe, the inboard of safety sleeve pipe is close to the downside and is provided with first spacing ring. A negative pressure safeties for production inhibition antisludging agent, on the one hand can save the material of making the protective sleeve, on the other hand adopts shorter protective sleeve more convenient, the longer condition that hinders of protective sleeve can not appear takes place.

Description

Negative pressure safety device for producing corrosion and scale inhibitor

Technical Field

The utility model relates to a corrosion and scale inhibitor technical field, in particular to a negative pressure safety device for producing corrosion and scale inhibitor.

Background

The corrosion and scale inhibitor consists of organic phosphine, excellent copolymer, copper corrosion inhibitor, etc. and has excellent corrosion inhibiting performance on carbon steel, copper and copper alloy and excellent scale inhibiting and dispersing performance on calcium carbonate and calcium phosphate. The product is mainly used for an open type circulating cooling water treatment system, and is particularly suitable for a system of copper-containing equipment. The product can be used for water quality with high pH, high alkalinity and high hardness, and is one of ideal water treatment agents which do not adjust pH alkaline operation; the existing negative pressure safety device for producing the corrosion and scale inhibitor has some defects, a piston in a safety sleeve of the negative pressure safety device is easy to move under the action of negative pressure, so that the movement stroke of the piston is longer, a longer safety sleeve needs to be produced to meet the movement stroke of the piston, on one hand, materials are wasted by the longer safety sleeve, and on the other hand, the longer safety sleeve is more in the way.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a negative pressure safety device for producing corrosion and scale inhibitor, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a negative pressure safety device for producing corrosion and scale inhibitor comprises a production tank main body, wherein the upper end of the production tank main body is provided with a feeding pipe, the lower end of the production tank main body is provided with a discharge pipe, one side of the upper end of the production tank main body close to the feed pipe is provided with a fixed block, the inner part of the fixed block is hollowed with a through hole, the inner part of the fixed block close to the upper side of the through hole is hollowed with an embedded groove, a sealing gasket is arranged in the embedding groove, an installation block is arranged at the upper end of the sealing gasket, a fastening bolt penetrates through the installation block, the upper end of the mounting block is provided with a safety sleeve, the inner side of the safety sleeve close to the lower side is provided with a first limiting ring, the upper end of the first limit ring is provided with a lower spring, the upper end of the lower spring is provided with a piston, an upper spring is arranged at the upper end of the piston, and a second limiting ring is arranged at the upper end of the upper spring close to the inner side of the safety sleeve.

Preferably, the lower extreme fixed mounting of fixed block is in the upper end of producing the jar main part, sealed the pad is inlayed in the inside of inlaying the groove, the inside of inlaying the groove is inlayed to the installation piece, the lower extreme of installation piece is laminated with the upper end of sealed pad mutually.

Preferably, the fastening bolt penetrates through the mounting block and the fixing block, the fastening bolt is in threaded connection with the inside of the fixing block, and the lower end of the safety sleeve is fixedly connected with the upper end of the mounting block.

Preferably, the outer side surface of the first limiting ring is fixedly connected with the inner side surface of the safety sleeve, the lower end of the lower spring is fixedly connected with the upper end of the first limiting ring, the upper end of the lower spring is fixedly connected with the lower end of the piston, and the outer surface of the piston is slidably connected with the inner side surface of the safety sleeve.

Preferably, the lower end of the upper spring is fixedly connected with the upper end of the piston, the upper end of the upper spring is fixedly connected with the lower end of the second limiting ring, and the outer surface of the second limiting ring is fixedly connected with the inner side surface of the safety sleeve.

Preferably, the lower extreme of production jar main part is close to both sides and all is provided with the supporting legs, the lower extreme surface of supporting legs is provided with the base, the lower extreme of inlet pipe and the upper end fixed connection of production jar main part, the upper end of discharging pipe and the lower extreme fixed connection of production jar main part, the upper end of supporting legs and the lower extreme fixed connection of production jar main part, the lower extreme of supporting legs and the upper end fixed connection of base.

Compared with the prior art, the utility model discloses following beneficial effect has:

when the negative pressure is generated in the production tank main body during use, because the pressure of the external atmospheric pressure is far greater than the pressure in the production tank main body, the piston can be extruded to slide downwards along the inner wall of the safety sleeve under the pressure difference, the lower spring is compressed when the piston slides downwards along the inner wall of the safety sleeve, the upper spring can be stretched when the piston slides downwards, the piston can be prevented from sliding downwards under the elastic action of the lower spring and the upper spring, the piston can be prevented from sliding to a certain extent through the lower spring and the upper spring under the same internal and external pressure difference, so that the sliding distance of the piston is shorter under the same internal and external pressure difference, the stroke of the piston can be met without adopting a longer safety sleeve, the shorter safety sleeve can be adopted, on one hand, the material for manufacturing the safety sleeve can be saved, on the other hand, the shorter safety sleeve is more convenient to adopt, the situation that the protective sleeve is long and is in the way cannot occur.

Drawings

FIG. 1 is a schematic view of the overall structure of a negative pressure safety device for producing corrosion and scale inhibitor of the present invention;

FIG. 2 is a schematic view of a partial explosion structure of a negative pressure safety device for producing a corrosion and scale inhibitor of the present invention;

fig. 3 is a schematic view of a local explosion structure of the negative pressure safety device for producing corrosion and scale inhibitor of the present invention.

In the figure: 1. producing a tank body; 2. a feed pipe; 3. a discharge pipe; 4. a fixed block; 5. a through hole; 6. embedding a groove; 7. a gasket; 8. mounting blocks; 9. fastening a bolt; 10. a safety sleeve; 11. a first limit ring; 12. a lower spring; 13. a piston; 14. an upper spring; 15. a second stop collar; 16. supporting legs; 17. a base.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a negative pressure safety device for producing corrosion and scale inhibitor comprises a production tank body 1, a feeding pipe 2 is arranged at the upper end of the production tank body 1, a discharging pipe 3 is arranged at the lower end of the production tank body 1, a fixing block 4 is arranged at one side of the upper end of the production tank body 1 close to the feeding pipe 2, a through hole 5 is arranged in the fixing block 4, an embedding groove 6 is arranged in the fixing block 4 close to the upper side of the through hole 5, a sealing gasket 7 is arranged in the embedding groove 6, an installation block 8 is arranged at the upper end of the sealing gasket 7, a fastening bolt 9 is arranged in the installation block 8 in a penetrating manner, a safety sleeve 10 is arranged at the upper end of the installation block 8, a first limit ring 11 is arranged at the inner side of the safety sleeve 10 close to the lower side, a lower spring 12 is arranged at the upper end of the first limit ring 11, a piston 13 is arranged at the upper end of the lower spring 12, an upper spring 14 is arranged at the upper end of the piston 13, the upper end of the upper spring 14 is provided with a second stop collar 15 adjacent to the inside of the safety sleeve 10.

The lower end of a fixed block 4 is fixedly arranged at the upper end of a production tank main body 1, a sealing gasket 7 is embedded in an embedding groove 6, an installation block 8 is embedded in the embedding groove 6, the lower end of the installation block 8 is attached to the upper end of the sealing gasket 7, a fastening bolt 9 penetrates through the installation block 8 and the inside of the fixed block 4, the fastening bolt 9 is in threaded connection with the inside of the fixed block 4, the lower end of a safety sleeve 10 is fixedly connected with the upper end of the installation block 8, the outer side surface of a first limiting ring 11 is fixedly connected with the inner side surface of the safety sleeve 10, the lower end of a lower spring 12 is fixedly connected with the upper end of the first limiting ring 11, the upper end of the lower spring 12 is fixedly connected with the lower end of a piston 13, the outer surface of the piston 13 is in sliding connection with the inner side surface of the safety sleeve 10, the lower end of an upper spring 14 is fixedly connected with the upper end of the piston 13, and the upper end of the upper spring 14 is fixedly connected with the lower end of a second limiting ring 15, the outer surface of the second limit ring 15 is fixedly connected with the inner side surface of the safety sleeve 10.

The pressure of the external atmospheric pressure is far greater than the pressure inside the production tank main body 1, the piston 13 can be extruded to slide downwards along the inner wall of the safety sleeve 10 under the pressure difference, the piston 13 compresses the lower spring 12 when sliding downwards along the inner wall of the safety sleeve 10, the piston 13 can stretch the upper spring 14 when sliding downwards, the piston 13 can be prevented from sliding downwards by the elastic action of the lower spring 12 and the upper spring 14, under the same internal and external pressure difference, the piston 13 can be prevented from sliding to a certain extent by the lower spring 12 and the upper spring 14, the distance of the piston 13 sliding downwards under the same internal and external pressure difference is shorter, the stroke of the piston 13 can be met without adopting a longer safety sleeve 10, and the shorter safety sleeve 10 can be adopted.

The lower extreme of production jar main part 1 is close to both sides and all is provided with supporting legs 16, and the lower extreme surface of supporting legs 16 is provided with base 17, the lower extreme of inlet pipe 2 and the upper end fixed connection of production jar main part 1, the upper end of discharging pipe 3 and the lower extreme fixed connection of production jar main part 1, the upper end of supporting legs 16 and the lower extreme fixed connection of production jar main part 1, the lower extreme of supporting legs 16 and the upper end fixed connection of base 17.

The feeding pipe 2 can feed materials, and the discharging pipe 3 can discharge materials.

It is noted that the utility model relates to a negative pressure safety device for producing corrosion and scale inhibitor, when the negative pressure is generated in the production tank main body 1, because the pressure of the external atmospheric pressure is far greater than the pressure inside the production tank body 1, the piston 13 is pressed to slide down along the inner wall of the safety sleeve 10 under the pressure difference, the piston 13 compresses the lower spring 12 when sliding down along the inner wall of the safety sleeve 10, the piston 13 can stretch the upper spring 14 while sliding down, the piston 13 can be prevented from sliding down by the elastic force of the lower spring 12 and the upper spring 14, under the same internal and external pressure difference, the piston 13 can be prevented from sliding to some extent by the lower spring 12 and the upper spring 14, therefore, the distance for the piston 13 to slide downwards under the condition of the same internal and external pressure difference is shorter, and the stroke of the piston 13 can be met without adopting a longer safety sleeve 10.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a production inhibition is negative pressure safeties for antisludging agent, includes production jar main part (1), its characterized in that: the upper end of the production tank main body (1) is provided with an inlet pipe (2), the lower end of the production tank main body (1) is provided with a discharging pipe (3), one side, close to the inlet pipe (2), of the upper end of the production tank main body (1) is provided with a fixed block (4), the inside of the fixed block (4) is hollowed to be provided with a through hole (5), the inside of the fixed block (4) is hollowed to be provided with an embedded groove (6) close to the upper side of the through hole (5), the inside of the embedded groove (6) is provided with a sealing gasket (7), the upper end of the sealing gasket (7) is provided with a mounting block (8), the inside of the mounting block (8) is provided with a fastening bolt (9) in a penetrating manner, the upper end of the mounting block (8) is provided with a safety sleeve (10), the inner side of the safety sleeve (10) is provided with a first limiting ring (11) close to the lower side, the upper end of the first limiting ring (11) is provided with a lower spring (12), the upper end of the lower spring (12) is provided with a piston (13), the upper end of the piston (13) is provided with an upper spring (14), and the inner side, close to the safety sleeve (10), of the upper end of the upper spring (14) is provided with a second limiting ring (15).

2. The negative pressure safety device for producing the corrosion and scale inhibitor according to claim 1, characterized in that: the lower extreme fixed mounting of fixed block (4) is in the upper end of production jar main part (1), sealed the inside of inlaying groove (6) is inlayed in sealed pad (7), the inside of inlaying groove (6) is inlayed in installation piece (8), the lower extreme of installation piece (8) is laminated with the upper end of sealed pad (7) mutually.

3. The negative pressure safety device for producing the corrosion and scale inhibitor according to claim 1, characterized in that: the fastening bolt (9) penetrates through the mounting block (8) and the fixing block (4), the fastening bolt (9) is in threaded connection with the fixing block (4), and the lower end of the safety sleeve (10) is fixedly connected with the upper end of the mounting block (8).

4. The negative pressure safety device for producing the corrosion and scale inhibitor according to claim 1, characterized in that: the outer side surface of the first limiting ring (11) is fixedly connected with the inner side surface of the safety sleeve (10), the lower end of the lower spring (12) is fixedly connected with the upper end of the first limiting ring (11), the upper end of the lower spring (12) is fixedly connected with the lower end of the piston (13), and the outer surface of the piston (13) is connected with the inner side surface of the safety sleeve (10) in a sliding mode.

5. The negative pressure safety device for producing the corrosion and scale inhibitor according to claim 1, characterized in that: the lower end of the upper spring (14) is fixedly connected with the upper end of the piston (13), the upper end of the upper spring (14) is fixedly connected with the lower end of the second limiting ring (15), and the outer surface of the second limiting ring (15) is fixedly connected with the inner side surface of the safety sleeve (10).

6. The negative pressure safety device for producing the corrosion and scale inhibitor according to claim 1, characterized in that: the lower extreme of production jar main part (1) is close to both sides and all is provided with supporting legs (16), the lower extreme surface of supporting legs (16) is provided with base (17), the lower extreme of inlet pipe (2) and the upper end fixed connection of production jar main part (1), the upper end of discharging pipe (3) and the lower extreme fixed connection of production jar main part (1), the upper end of supporting legs (16) and the lower extreme fixed connection of production jar main part (1), the lower extreme of supporting legs (16) and the upper end fixed connection of base (17).