CN214946416U

CN214946416U - Safety valve of sulfuric acid recovery device

Info

Publication number: CN214946416U
Application number: CN202121480498.8U
Authority: CN
Inventors: 刘志鹤; 揭念国; 纪尉士; 姜岱坤
Original assignee: Qingdao Haiwan Chemical Engineering Design & Research Institute Co ltd
Current assignee: Qingdao Haiwan Chemical Engineering Design & Research Institute Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-11-30
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a sulphuric acid recovery unit's relief valve, comprising a base plate, the top of bottom plate is provided with the stock solution bucket, the bottom of stock solution bucket is positive to be provided with the fluid-discharge tube, the right-hand member flange joint of fluid-discharge tube has the valve body pipe fitting, logical groove has been seted up to the positive wall body in top of valve body pipe fitting, the inner wall fixedly connected with barrel that leads to the groove, the inner chamber of barrel vertically inserts and is equipped with the lead screw, the top fixedly connected with rotation valve wheel of lead screw, the top left end of valve body pipe fitting inner chamber is provided with first semicircular fixed block. This sulphuric acid recovery unit's relief valve through the rotation valve wheel that sets up, lead screw, spiral shell section of thick bamboo, first semi-circular fixed block, the semi-circular fixed block of second, fixed logical frame, sealed elevator, sealed bearing, flowing back lead to mutually supporting of groove can realize blockking and discharging sulphuric acid liquid, and easy operation is convenient, and the practicality is strong, and the leakproofness is good, and corrosion-resistant and wear resistance can be good.

Description

Safety valve of sulfuric acid recovery device

Technical Field

The utility model relates to a sulphuric acid recovery unit field, in particular to sulphuric acid recovery unit's relief valve.

Background

Valves are mechanical devices for controlling the flow, direction, pressure, temperature, etc. of a flowing fluid medium, valves are basic components in a piping system, valve pipe fittings are technically the same as pumps and are often discussed as a separate category, valves can be operated by hand or hand wheels, handles or pedals, the pressure, temperature and flow of the fluid medium can be changed by control, and valves are often arranged at the discharge port of a sulfuric acid recovery device for control.

In chinese utility model patent application no: CN202020502261.4 discloses a sulfuric acid recovery device, which comprises a liquid storage barrel, wherein a fixed rod is fixedly arranged on the inner side of the liquid storage barrel, the bottom of a support column is fixedly connected with a bottom plate, an air pump is fixedly arranged on the surface of the bottom plate, a liquid feeding pipe is fixedly arranged on the right side of the top of the liquid storage barrel, a sealing plug matched with the liquid feeding pipe is arranged on the outer side of the top of the liquid feeding pipe, a liquid discharging pipe is fixedly arranged at the central position of the bottom of the liquid storage barrel, a valve is fixedly arranged at the tail end of the liquid discharging pipe, a detection barrel is arranged in the liquid storage barrel, sulfuric acid firstly falls into the detection barrel for detection and then flows to the bottom of the liquid storage barrel, the sulfuric acid only needs to be opened and further flows upwards into a drying tower through a connecting pipe, so that an operator can return the sulfuric acid into the drying tower without contact after detection, and the sulfuric acid adopts a CPVC material, acid and alkali resistance, corrosion resistance, wide application medium, low manufacturing cost and convenient manufacture. The valve of the device is inconvenient to operate, has poor practicability and cannot achieve an absolute sealing effect.

Therefore, it is necessary to provide a safety valve of a sulfuric acid recovery apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a sulphuric acid recovery unit's relief valve can effectively solve the problem in the background art.

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

a safety valve of a sulfuric acid recovery device comprises a bottom plate, wherein a liquid storage barrel is arranged at the top of the bottom plate, a liquid discharge pipe is arranged in the center of the bottom of the liquid storage barrel, a valve body pipe fitting is connected to the right end of the liquid discharge pipe in a flange mode, a through groove is formed in the center wall body of the top of the valve body pipe fitting, a screw barrel is fixedly connected to the inner wall of the through groove, a screw rod is longitudinally inserted into the inner cavity of the screw barrel, a rotating valve wheel is fixedly connected to the top of the screw rod, a first semicircular fixed block is arranged at the left end of the top of the inner cavity of the valve body pipe fitting, a second semicircular fixed block is arranged at the right end of the bottom of the inner cavity of the valve body pipe fitting, a fixed through frame is arranged at one end, close to one side of the first semicircular fixed block and the second semicircular fixed block, a sealing lifting block is inserted into the inner cavity of the fixed through frame, and a sealing bearing is embedded in the center wall body of the top of the sealing lifting block, the feed liquor groove has been seted up to the bottom of sealed elevator, the lower extreme symmetry of lateral wall is fixed with the spacing piece about sealed elevator, spacing spout has been seted up to the lateral wall symmetry about fixed logical frame inner chamber, the flowing back logical groove has been seted up to the lateral wall of sealed elevator, the upper end lateral wall cover of sealed elevator is equipped with fixed frame, the sealed frame of inserting of fixedly connected with in the centre of the bottom of fixed frame, the sealed acid-fast arc rubber frame of bottom wall body fixedly connected with that inserts the frame, sealed slot has been seted up to the top outside wall body that fixed leads to the frame, the bottom four corners wall body of sealed slot inner chamber is vertical fixedly connected with compression spring, four respectively compression spring's the acid-fast arc rubber seat of top fixedly connected with.

Preferably, the outer wall of the screw rod is meshed with the inner wall of the screw cylinder through mutually matched threads, and the lower end of the screw rod extends to the inner cavity of the valve body pipe fitting and is fixedly connected with the inner wall of the sealing bearing.

Preferably, the front and the back of the fixed through frame are arc-shaped and matched with the arc-shaped inner wall of the valve body pipe fitting, and the front and the back wall bodies of the fixed through frame are fixedly connected with the front and the back wall bodies of the inner cavity of the valve body pipe fitting.

Preferably, one end of each of the two limiting blocks, which is far away from the other end, is located in the inner cavity of each of the two limiting sliding grooves, and the two limiting blocks are respectively matched with the two limiting sliding grooves.

Preferably, the number of the liquid drainage through grooves is two, the two liquid drainage through grooves are respectively arranged in the middle of the left side wall and the right side wall of the sealed lifting block, and the two liquid drainage through grooves are communicated with the inner cavity of the liquid inlet groove.

Preferably, the inner wall of the fixed through frame is in close contact with the outer side wall body of the sealed lifting block, the sealed inserting frame is matched with the sealed inserting groove, and the acid-resistant arc-shaped rubber frame is matched with the acid-resistant arc-shaped rubber seat.

Advantageous effects

Compared with the prior art, the utility model provides a sulphuric acid recovery unit's relief valve possesses following beneficial effect:

1. this sulphuric acid recovery unit's relief valve through the rotation valve wheel that sets up, lead screw, barrel, first semi-circular fixed block, the semi-circular fixed block of second, fixed logical frame, sealed elevator, sealed bearing, flowing back lead to the groove, mutually supporting in feed liquor groove can realize stopping and discharging sulphuric acid liquid, easy operation is convenient, and the practicality is strong, and the leakproofness is good, and corrosion-resistant and wear resistance can be good.

2. This sulphuric acid recovery unit's relief valve can play spacing effect to sealed lifter through mutually supporting of the stopper that sets up and spacing spout, has avoided sealed lifter to break away from the inner chamber of fixed logical frame.

3. This sulphuric acid recovery unit's relief valve, through the fixed frame that sets up, sealed frame, acidproof arc rubber frame, sealed slot, acidproof arc rubber seat, compression spring mutually support and can increase the leakproofness of sealed elevator piece and fixed logical frame junction, elastic contact has further increased the leakproofness.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic cross-sectional view of the valve body pipe of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 2 according to the present invention;

fig. 4 is an enlarged view of the point B in fig. 3 according to the present invention.

In the figure: 1. a liquid storage barrel; 2. a liquid discharge pipe; 3. a base plate; 4. a valve body pipe fitting; 5. a through groove; 6. rotating the valve wheel; 7. a screw rod; 8. a screw cylinder; 9. a first semicircular fixed block; 10. a second semicircular fixed block; 11. fixing the through frame; 12. sealing the lifting block; 13. sealing the bearing; 14. a liquid discharge through groove; 15. a limiting block; 16. a limiting chute; 17. fixing the outer frame; 18. sealing the inserting frame; 19. acid-resistant arc-shaped rubber frames; 20. sealing the slot; 21. acid-resistant arc-shaped rubber seats; 22. a compression spring; 23. a liquid inlet tank.

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. 1-4, a safety valve of a sulfuric acid recovery device comprises a bottom plate 3, a liquid storage barrel 1 is arranged at the top of the bottom plate 3, a liquid discharge pipe 2 is arranged in the center of the bottom of the liquid storage barrel 1, a valve body pipe fitting 4 is flange-connected to the right end of the liquid discharge pipe 2, a through groove 5 is formed in the center wall body of the top of the valve body pipe fitting 4, a screw barrel 8 is fixedly connected to the inner wall of the through groove 5, a screw rod 7 is longitudinally inserted into the inner cavity of the screw barrel 8, the outer wall of the screw rod 7 is meshed with the inner wall of the screw barrel 8 through mutually adaptive threads, the lower end of the screw rod 7 extends to the inner cavity of the valve body pipe fitting 4 and is fixedly connected with the inner wall of a seal bearing 13, a rotating valve wheel 6 is fixedly connected to the top of the screw rod 7, a first semicircular fixed block 9 is arranged at the left end of the top of the inner cavity of the valve body pipe fitting 4, a second semicircular fixed block 10 is arranged at the right end of the inner cavity of the valve body pipe fitting 4, and a fixed block 9 and a fixed block 10 is arranged at the end close to the opposite side of the fixed block Decide and lead to frame 11, the inner wall of fixed frame 11 and the outer wall body of sealed elevator 12 each other in close contact with, the front and the back of fixed frame 11 that leads to is arc, and with the convex looks adaptation of valve body pipe fitting 4 inner wall, the front and the back wall body of fixed frame 11 and the front and the back wall body fixed connection of valve body pipe fitting 4 inner chamber, fixed frame 11 inner chamber of leading to is inserted and is equipped with sealed elevator 12, the positive wall body in top of sealed elevator 12 inlays and is provided with sealed bearing 13, feed liquor groove 23 has been seted up to the bottom of sealed elevator 12, the lower extreme symmetry of lateral wall is fixed with stopper 15 about sealed elevator 12, the one end of keeping away from mutually of two stopper 15 is located the inner chamber of two spacing spouts 16 respectively, and two stopper 15 respectively with two spacing spouts 16 mutual adaptations, spacing spout 16 has been seted up to the left and right sides wall symmetry of fixed frame 11 inner chamber, can play spacing effect to sealed elevator 12 through the mutually supporting of stopper 15 and the spacing spout 16 that set up Use, avoid sealed lifting block 12 to break away from the inner chamber of the fixed through frame 11, the lateral wall of the sealed lifting block 12 has been offered and led to the liquid groove 14, the quantity that led to the liquid groove 14 is two, two led to the liquid groove 14 are offered respectively in the middle part of the left and right lateral walls of the sealed lifting block 12, and two led to the liquid groove 14 and the inner chamber of the feed liquor groove 23 are communicated, through the mutual cooperation of the rotary valve wheel 6 that sets up, the lead screw 7, the barrel 8, the first semicircular fixed block 9, the second semicircular fixed block 10, the fixed through frame 11, the sealed lifting block 12, the sealed bearing 13, the led to the liquid groove 14 can realize the block and discharge of sulphuric acid liquid, easy operation is convenient, therefore, the clothes hanger is strong in practicability, good in sealing performance and wear resistance, the upper end lateral wall cover of the sealed lifting block 12 is equipped with the fixed outer frame 17, the bottom centre of the fixed outer frame 17 is fixedly connected with the sealed insertion frame 18, the bottom of the sealed insertion frame 18 is fixedly connected with the acid-resistant rubber frame 19 of arc, sealed slot 20 has been seted up to the fixed top lateral wall body that leads to frame 11, the bottom four corners wall body of the sealed slot 20 inner chamber is vertical fixedly connected with compression spring 22 respectively, the acidproof arc rubber seat 21 of the top fixedly connected with of four compression springs 22, sealed frame 18 and the mutual adaptation of sealed slot 20 of inserting, acidproof arc rubber frame 19 and the mutual adaptation of acidproof arc rubber seat 21, fixed frame 17 through setting up, sealed frame 18 of inserting, acidproof arc rubber frame 19, sealed slot 20, acidproof arc rubber seat 21, compression spring 22's the mutually supporting can increase the leakproofness of sealed elevator block 12 with fixed 11 junctions that lead to, elastic contact has further increased the leakproofness.

It should be noted that the utility model relates to a safety valve of a sulfuric acid recovery device, when in use, the valve wheel 6 is rotated clockwise to drive the screw rod 7 to rotate, the screw rod 7 drives the sealed lifting block 12 to move upwards under the action of the screw cylinder 8 and the sealed bearing 13, two liquid discharge through grooves 14 on the left side and the right side of the sealed lifting block 12 gradually leak from the two sides of the top of the fixed through frame 11, sulfuric acid liquid is discharged from the leaked liquid discharge through grooves 14 through the liquid inlet groove 23, when the sulfuric acid is sealed and locked, the valve wheel 6 is rotated counterclockwise to enable the two liquid discharge through grooves 14 to completely enter the inner cavity of the fixed through frame 11, the valve can realize the rapid blocking and discharging of the sulfuric acid liquid, the operation is simple and convenient, the practicability is strong, the sealing performance is good, the corrosion resistance and the wear resistance are good, the limit function can be played to the sealed lifting block 12 through the mutual matching of the limiting sliding groove 16, avoided sealed elevator 12 to break away from the fixed inner chamber that leads to frame 11, at fixed frame 17, sealed frame 18 of inserting, sour resistant arc rubber frame 19, sealed slot 20, sour resistant arc rubber seat 21, the leakproofness that can increase sealed elevator 12 and fixed frame 11 junction is led to in mutually supporting of compression spring 22, elastic contact has further increased the leakproofness, it is concrete, the bottom of fixed frame 17 and the top in close contact with of fixed frame 11 when the valve is in sealed closed state, sealed frame 18 of inserting is located the inner chamber of sealed slot 20 and in the inner wall in close contact with of sealed slot 20 this moment, sour resistant arc rubber frame 19 drives sealed slot 20 downwards and extrudes compression spring 22, multiple sealing effect, it is sealed effectual.

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. A safety valve of a sulfuric acid recovery device, comprising a bottom plate (3), characterized in that: the liquid storage barrel (1) is arranged at the top of the bottom plate (3), the liquid discharge pipe (2) is arranged in the center of the bottom of the liquid storage barrel (1), the right end of the liquid discharge pipe (2) is connected with a valve body pipe fitting (4) in a flange mode, the center wall body of the top of the valve body pipe fitting (4) is provided with a through groove (5), the inner wall of the through groove (5) is fixedly connected with a screw barrel (8), the inner cavity of the screw barrel (8) is longitudinally inserted with a screw rod (7), the top of the screw rod (7) is fixedly connected with a rotating valve wheel (6), the left end of the top of the inner cavity of the valve body pipe fitting (4) is provided with a first semicircular fixed block (9), the right end of the bottom of the inner cavity of the valve body pipe fitting (4) is provided with a second semicircular fixed block (10), and the end, close to one side, opposite to the first semicircular fixed block (9) and the second semicircular fixed block (10), is provided with a fixed through frame (11), the fixed frame (11) inner chamber that leads to is inserted and is equipped with sealed elevator (12), the positive wall body in top of sealed elevator (12) is inlayed and is provided with sealed bearing (13), feed liquor groove (23) have been seted up to the bottom of sealed elevator (12), the lower extreme symmetry of lateral wall is fixed with spacing piece (15) about sealed elevator (12), spacing spout (16) have been seted up to the lateral wall symmetry about fixed frame (11) inner chamber that leads to, drainage logical groove (14) have been seted up to the lateral wall of sealed elevator (12), the upper end lateral wall cover of sealed elevator (12) is equipped with fixed frame (17), the sealed frame (18) of inserting of fixedly connected with in the middle of the bottom of fixed frame (17), the bottom wall body fixedly connected with of sealed frame (18) acidproof arc rubber frame (19), sealed slot (20) have been seted up to the top outside wall body of fixed frame (11), the bottom four corners wall body of sealed slot (20) inner chamber respectively vertical fixedly connected with compression spring (22), four the top fixedly connected with of compression spring (22) is able to bear or endure sour arc rubber seat (21).

2. The safety valve of a sulfuric acid recovery unit according to claim 1, characterized in that: the outer wall of the screw rod (7) is meshed with the inner wall of the screw cylinder (8) through mutually matched threads, and the lower end of the screw rod (7) extends to the inner cavity of the valve body pipe fitting (4) and is fixedly connected with the inner wall of the sealing bearing (13).

3. The safety valve of a sulfuric acid recovery unit according to claim 1, characterized in that: the front and the back of the fixed through frame (11) are arc-shaped and are matched with the arc-shaped inner wall of the valve body pipe fitting (4), and the front and the back wall bodies of the fixed through frame (11) are fixedly connected with the front and the back wall bodies of the inner cavity of the valve body pipe fitting (4).

4. The safety valve of a sulfuric acid recovery unit according to claim 1, characterized in that: one ends, far away from each other, of the two limiting blocks (15) are respectively located in the inner cavities of the two limiting sliding grooves (16), and the two limiting blocks (15) are respectively matched with the two limiting sliding grooves (16) mutually.

5. The safety valve of a sulfuric acid recovery unit according to claim 1, characterized in that: the number of the liquid drainage through grooves (14) is two, the two liquid drainage through grooves (14) are respectively arranged in the middle of the left side wall and the right side wall of the sealed lifting block (12), and the two liquid drainage through grooves (14) are communicated with the inner cavity of the liquid inlet groove (23).

6. The safety valve of a sulfuric acid recovery unit according to claim 1, characterized in that: the inner wall of the fixed through frame (11) is in close contact with the outer side wall body of the sealed lifting block (12), the sealed inserting frame (18) is matched with the sealed inserting groove (20), and the acid-resistant arc-shaped rubber frame (19) is matched with the acid-resistant arc-shaped rubber seat (21).