CN114367503A

CN114367503A - Hydrofluoric acid pipeline dredging equipment

Info

Publication number: CN114367503A
Application number: CN202210030510.8A
Authority: CN
Inventors: 马祝寿; 马耿彧; 吴君钧
Original assignee: Quzhou Jutongxiang Environmental Protection Technology Co ltd
Current assignee: Quzhou Jutongxiang Environmental Protection Technology Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-04-19
Anticipated expiration: 2042-01-12
Also published as: CN114367503B

Abstract

The invention discloses hydrofluoric acid pipeline dredging equipment, and belongs to the field of descaling. A hydrofluoric acid pipeline dredging device comprises a pipe body, a pipe wall descaling assembly and a pair of flanges; the pipe wall descaling assembly comprises an annular groove, a deformation mechanism, a motor, a rotating cavity and a gear; the annular groove is arranged around the pipe groove of the pipe body, and the deformation mechanism is arranged in the annular groove; through beginning an annular channel with pipeline inside, set up arc and shutoff board in the annular channel, the space and the pipeline circulation space matching of arc and shutoff board closed formation under initial condition, then remove the shutoff board when not leading to the material, make arc and shutoff board dislocation, carry out circular motion to the shutoff board, thereby accomplished the clearance to the scale, make the clearance scale deposit become automatic, and need not dismantle, save the vexation of reinstallation, the sealed new not good risk of reinstallation has been reduced.

Description

Hydrofluoric acid pipeline dredging equipment

Technical Field

The invention relates to the field of descaling, in particular to hydrofluoric acid pipeline dredging equipment.

Background

The scale is a common problem and technical obstacle in industrial production in various industries such as chemical industry, power food, papermaking, cement, metallurgy and the like, pipeline deposits are composed of scale, sludge, corrosion products and biological deposits, and are divided into particle scale, crystallization scale, chemical reaction scale, corrosion scale, biological scale and the like according to different precipitation mechanisms, the serious scale blockage can cause economic loss in the production process and even become potential safety hazards, the scale can be generated when hydrofluoric acid materials are transported, and the existing pipeline scale removal processor needs manual scale removal or chemical product scale removal, so that the scale removal is inconvenient.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide hydrofluoric acid pipeline dredging equipment, which can start an annular groove in the pipeline, arrange an arc-shaped plate and a plugging plate in the annular groove, wherein the space formed by closing the arc-shaped plate and the plugging plate in an initial state is matched with the pipeline circulation space, and then move the plugging plate when the pipeline is not filled with materials, so that the arc-shaped plate and the plugging plate are staggered, and the plugging plate is circularly moved, thereby completing the cleaning of scale, enabling the scale cleaning to be automatic, simple and convenient, and free from disassembly, omitting the trouble of secondary installation, and reducing the risk of poor sealing when the pipeline is installed again.

In order to solve the above problems, the present invention adopts the following technical solutions.

A hydrofluoric acid pipeline dredging device comprises a pipe body, a pipe wall descaling assembly and a pair of flanges; the pipe wall descaling assembly comprises an annular groove, a deformation mechanism, a motor, a rotating cavity and a gear; the annular groove is formed around the pipe groove of the pipe body, the deformation mechanism is arranged in the annular groove, the rotating cavity is formed outside the pipe groove and communicated with the annular groove, the gear is rotatably arranged on the bottom wall of the rotating cavity, the motor is arranged outside the pipe body, and a motor shaft of the motor is fixedly connected with the gear; a pair of the ring flange is fixed mounting respectively and imports and exports both ends at the body, through with inside beginning a ring channel of pipeline, set up arc and shutoff board in the ring channel, the space and the pipeline circulation space matching of arc and shutoff board closed formation under initial condition, then remove the shutoff board when not leading to the material, make arc and shutoff board dislocation, carry out circular motion to the shutoff board, thereby the clearance to the scale has been accomplished, make the clearance scale deposit become automatic, and is simple and convenient, and need not dismantle, the vexation of saving the reinstallation once more, the sealed new not good risk of reinstallation has been reduced.

Furthermore, the deformation mechanism comprises a toothed ring and four pairs of dislocation elements, the toothed ring is rotatably arranged in the annular groove and is meshed with the gear, and the four pairs of dislocation elements are circumferentially distributed on the toothed ring; the dislocation element comprises an arc-shaped plate, a reciprocating device, a plugging plate and a moving groove; the moving groove is formed in the toothed ring, the reciprocating device is fixedly arranged in the moving groove, the arc-shaped plate is fixedly arranged on the side wall of the annular groove, and the plugging plate is fixedly connected with the reciprocating device and is tightly matched with the arc-shaped plate in a sliding manner; the arc and the plugging plate are equally divided into an inner radian and an outer radian, the inner radian of the plugging plate is matched with the outer radian of the arc, the outer radian of the plugging plate is matched with the inner radian of the arc, and the arc and the plugging plate are staggered, so that the scaling can be more comprehensive when being cleaned, the trouble of manual cleaning, disassembly and installation is reduced, and the risk of installing sealing and sealing again and not good is reduced.

Furthermore, a connecting component is arranged on the flange plate; the connecting assembly comprises an inner gear ring, a plurality of sub-gears and a plurality of threaded shafts; interior ring gear rotates and installs in ring flange circumference side, a plurality of sub-gear ring shape rotate install the one side that is close to the body at the ring flange, a plurality of sub-gears mesh with interior ring gear respectively, a plurality of screw shaft ring shape rotate and install in the ring flange, a plurality of screw shafts respectively with a plurality of sub-gear fixed connection, set up the screw shaft of connecting usefulness in advance through the position with the ring flange, then the ring gear rotates in the cooperation, the ring flange of will treating the connection is connected, reach the whole pivoted effects of the screw shaft of all positions of control through only rotating interior ring gear, increase the leakproofness, and set up a plurality of salient posts on interior ring gear, conveniently utilize the tubulose instrument to carry out the step-up to ring flange hookup location.

Further, the connecting assembly further comprises a transparent ring, a plurality of reminding grooves and an annular storage groove; the transparent ring is fixedly arranged on the side surface of the circumference of the flange plate, the plurality of reminding grooves are formed in the outer surface of the transparent ring, the positions of the plurality of reminding grooves are matched with the positions of the plurality of threaded shafts, the annular storage groove is formed in the transparent ring, the inner side spaces of the annular storage groove and the transparent ring are communicated through the plurality of through holes, the connecting position of the flange plate is wrapped by the transparent ring, the annular storage groove is formed, test paper is placed in the annular storage groove, the problem that the test paper is discolored due to the outflow of hydrofluoric acid materials is conveniently observed, even if the leakage problem occurs, the transparent ring can reduce certain loss,

furthermore, a plurality of pairs of labor-saving elements are annularly arranged on the outer surface of the inner gear ring; the labor-saving element comprises a protruding column and a groove; the recess is seted up on interior ring gear circumference surface, and protrusion post fixed mounting is in the recess and extends to the recess outside, sets up a plurality of protrusion posts through interior ring gear on, conveniently utilizes the tubulose instrument to carry out the step up to ring flange hookup location.

Furthermore, the scraper is fixedly arranged on one surface, close to the outer wall of the annular groove, of the arc-shaped plate and the blocking plate, and scaling on the arc-shaped plate and the blocking plate is enabled to be more easily cleaned through the scraper.

Furthermore, a sealing gasket is fixedly arranged on the surface, which is not contacted with the arc-shaped plate and the plugging plate, so that the sealing property is increased.

Furthermore, plastics are fixedly mounted on the inner wall of the pipe groove, one side of each arc-shaped plate and one side of each blocking plate, which are in contact with the hydrofluoric acid material, so that corrosion of the hydrofluoric acid material to the internal structure of the pipe body is reduced.

Furthermore, the annular storage tank is internally provided with detection test paper, so that the observation is facilitated.

Further, the reciprocating device is an electric cylinder.

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through beginning an annular channel with pipeline inside, set up arc and shutoff board in the annular channel, the space and the pipeline circulation space matching of arc and shutoff board closed formation under initial condition, then remove the shutoff board when not leading to the material, make arc and shutoff board dislocation, carry out circular motion to the shutoff board, thereby the clearance to the scale has been accomplished, make the clearance scale deposit become automatic, and need not dismantle, save the vexation of reinstallation again, the sealed new not good risk of reinstallation once more has been reduced.

(2) This scheme comes multiknot dirt to clear up through being equipped with the scraper on arc and shutoff board, reduces the clearance degree of difficulty to match the inside and outside radian of arc and shutoff board each other after warping, make the cambered surface laminate more, the clearance effect is better.

(3) This scheme sets up the threaded shaft of connecting usefulness in advance through the position with the ring flange, then the ring gear rotates in the cooperation, will treat the ring flange of connecting and connect, reaches the whole pivoted effects of threaded shaft of all positions of control through only rotating interior ring gear, increases the leakproofness to set up a plurality of protrusion posts on the ring gear including, conveniently utilize the tubulose instrument to carry out the step-up to ring flange hookup location.

(4) This scheme is through setting up a transparent ring with ring flange hookup location, with hookup location parcel to set up a groove, with putting into the inslot and examining test paper, be convenient for observe the hydrofluoric acid material flow and lead to the problem that test paper discolours, even also can reduce certain loss has appeared.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the configuration of the plugging plate of FIG. 2 after the plugging plate is deformed inward;

FIG. 4 is a schematic structural view of the plugging plate at the deformation mechanism in FIG. 2 after the plugging plate is deformed outwards.

The reference numbers in the figures illustrate:

the device comprises a pipe body 1, a pipe wall descaling component 2, an annular groove 21, a deformation mechanism 22, a toothed ring 222, an arc-shaped plate 221, a reciprocating device 223, a blocking plate 224, a moving groove 225, a motor 23, a rotating cavity 24, a gear 25, a scraper 26, a connecting component 3, an inner toothed ring 31, a protruding column 311, a groove 312, a transparent ring 32, a reminding groove 321, an annular storage groove 322, a sub-gear 33, a threaded shaft 34 and a flange plate 4.

Detailed Description

Referring to fig. 1-4, a hydrofluoric acid pipeline dredging device comprises a pipe body 1, a pipe wall descaling assembly 2 and a pair of flanges 4; the pipe wall descaling assembly 2 comprises an annular groove 21, a deformation mechanism 22, a motor 23, a rotating cavity 24 and a gear 25; the annular groove 21 is formed around the pipe groove of the pipe body 1, the deformation mechanism 22 is arranged in the annular groove 21, the rotating cavity 24 is formed outside the pipe groove and communicated with the annular groove 21, the gear 25 is rotatably arranged on the bottom wall of the rotating cavity 24, the motor 23 is arranged outside the pipe body 1, and a motor shaft of the motor 23 is fixedly connected with the gear 25; a pair of ring flange 4 fixed mounting is at body 1 exit both ends respectively, through beginning an annular groove 21 with pipeline 1 inside, 21 sets up arc 221 and shutoff board 224 in the annular groove, the space and the pipeline circulation space matching of arc 221 and shutoff board 224 closed formation under initial condition, then remove shutoff board 224 in the time of obstructed material, make arc 221 and shutoff board 224 dislocation, carry out circular motion to shutoff board 224, thereby the clearance to the scale has been accomplished, make the clearance scale deposit become automatic, and is simple and convenient, and need not dismantle, save the vexation of reinstallation, the sealed new not good risk of reinstallation has been reduced. The deformation mechanism 22 comprises a toothed ring 222 and four pairs of dislocation elements, wherein the toothed ring 222 is rotatably arranged in the annular groove 21 and meshed with the gear 25, and the four pairs of dislocation elements are circumferentially distributed on the toothed ring 222; the dislocation element comprises an arc-shaped plate 221, a reciprocating device 223, a blocking plate 224 and a moving groove 225; the moving groove 225 is arranged in the gear ring 222, the reciprocating device 223 is fixedly arranged in the moving groove 225, the arc-shaped plate 221 is fixedly arranged on the side wall of the annular groove 21, and the blocking plate 224 is fixedly connected with the reciprocating device 223 and is tightly matched with the arc-shaped plate 221 in a sliding manner; arc 221 and shutoff board 224 equally divide for two kinds of inside and outside radians, and the interior radian of shutoff board 224 matches with the outer radian of arc 221, and the outer radian of shutoff board 224 matches with the interior radian of arc 221, through misplacing arc 221 and shutoff board 224 to can be more comprehensive when the clearance scale deposit, reduced the trouble that artifical clearance was dismantled and was installed, reduced the sealed new not good risk of installation once more.

As shown in fig. 2-4, the flange plate 4 is provided with a connecting component 3; the connecting assembly 3 comprises an internal toothed ring 31, a plurality of sub-gears 33 and a plurality of threaded shafts 34; the inner toothed ring 31 is rotatably installed on the circumferential side face of the flange plate 4, a plurality of sub-gears 33 are rotatably installed on one face, close to the pipe body 1, of the flange plate 4 in an annular mode, the plurality of sub-gears 33 are respectively meshed with the inner toothed ring 31, a plurality of threaded shafts 34 are rotatably installed in the flange plate 4 in an annular mode, the plurality of threaded shafts 34 are respectively fixedly connected with the plurality of sub-gears 33, threaded shafts 34 used for connection are arranged in advance in the position of the flange plate 4, then the inner toothed ring 31 is matched to rotate and connected with the flange plate to be connected, the effect of controlling all rotation of the threaded shafts 34 at all positions is achieved by only rotating the inner toothed ring 31, the sealing performance is improved, a plurality of protruding columns 311 are arranged on the inner toothed ring 31, and the clamping of the connecting position of the flange plate 4 is conveniently achieved by utilizing a tubular tool. The connecting assembly 3 further comprises a transparent ring 32, a plurality of reminding slots 321 and a ring-shaped storage slot 322; the transparent ring 32 is fixedly arranged on the side surface of the circumference of the flange plate 4, the plurality of reminding grooves 321 are arranged on the outer surface of the transparent ring 32, the positions of the plurality of reminding grooves 321 are matched with the positions of the plurality of threaded shafts 34, the annular storage groove 322 is arranged in the transparent ring 32, the inner side spaces of the annular storage groove 322 and the transparent ring 32 are communicated through a plurality of through holes, the transparent ring 32 is arranged at the connecting position of the flange plate 4 to wrap the connecting position, and the annular storage groove 322 is arranged to place detection test paper in the annular storage groove 322 so as to be convenient for observing whether the problem that the color of the detection test paper is changed due to the outflow of hydrofluoric acid materials or not, even if the leakage problem occurs, the transparent ring 32 can reduce certain loss,

as shown in fig. 2-4, a plurality of pairs of labor-saving elements are annularly arranged on the outer surface of the inner gear ring 31; the labor-saving element comprises a protruding column 311 and a groove 312; the groove 312 is formed in the outer circumferential surface of the inner gear ring 31, the protruding columns 311 are fixedly mounted in the groove 312 and extend to the outside of the groove 312, and the flange plate 4 is conveniently fastened by a tubular tool through the plurality of protruding columns 311 arranged on the inner gear ring 31. The scraper 26 is fixedly arranged on one side of the arc-shaped plate 221 and the blocking plate 224 close to the outer wall of the annular groove 21, and scales on the arc-shaped plate 221 and the blocking plate 224 are easier to clean through the scraper 26. And sealing gaskets are fixedly arranged on the surfaces, which are not contacted with each other, of the arc-shaped plate 221 and the blocking plate 224, so that the sealing property is increased. The inner wall of the pipe groove, one surface of each arc-shaped plate 221, which is in contact with the hydrofluoric acid material, of each blocking plate 224 is fixedly provided with plastic, so that corrosion of the hydrofluoric acid material to the internal structure of the pipe body 1 is reduced. And the annular storage groove 322 is internally provided with detection test paper for convenient observation. The reciprocator 223 is an electric cylinder.

As shown in fig. 2-4, when the dirt needs to be cleaned, the reciprocating device 223 is started to push the blocking plates 224, so that the positions of the four blocking plates 224 are changed to be the same as those in fig. 3, at this time, the reciprocating device 223 is in the longest extending state, then the motor 23 is started to rotate the gear 25 to drive the gear ring 222 to rotate, so that the four blocking plates 224 are driven to do circular motion, so that the dirt is cleaned, the reciprocating device 223 is started to slowly recover the four blocking plates 224 while the four blocking plates 224 do circular motion, so that the dirt is crushed from the edge and changed into dirt slag with smaller volume, then the initial position coordinate range is recorded in advance by the computer to prevent the jamming phenomenon when the arc-shaped plates 221 and the blocking plates 224 are tightly matched, after the dirt on the inner side surfaces of the arc-shaped plates 221 is cleaned by the circular motion of the four blocking plates 224, the motor 23 is reset to rotate the four blocking plates 224 to the initial positions, then start reciprocating device 223, the pulling four shutoff boards 224 warp as shown in fig. 4, reciprocating device 223 is all recovery state this moment, then at starter motor 23, make four shutoff boards 224 be circular motion again, utilize arc 221 to carry out the scale deposit clearance to the medial surface of shutoff board 224, reciprocating device 223 slowly stretches out simultaneously at four shutoff board 224 circular motion, grind the scale deposit into the dirt sediment, after the clearance to the scale deposit, motor 23 resets, rotate four shutoff boards 224 to the initial position, closely cooperate shaped board 221 and shutoff board 224, then wash when letting in water.

As shown in fig. 1-2, when the installation is needed, aim at the body the ring flange of treating the connection, then utilize to remind the through-hole on the ring flange of treating the connection of aligning groove 321 to match, then rotate interior ring gear 31, make the whole rotations of pinion 33, thereby threaded shaft 34 rotates in step, carry out threaded connection with the ring flange of treating the connection, then utilize pipy instrument cover on protruding post 311, make arm of force length of side, be convenient for rotate interior ring gear 31, after connecting, if appear connecting not inseparable condition, hydrofluoric acid material leaks from the hookup location, can make the test paper discolour, thereby remind the staff more easily.

Claims

1. The utility model provides a hydrofluoric acid pipeline mediation equipment which characterized in that: comprises a pipe body (1), a pipe wall descaling component (2) and a pair of flanges (4);

the pipe wall descaling assembly (2) comprises an annular groove (21), a deformation mechanism (22), a motor (23), a rotating cavity (24) and a gear (25);

the pipe groove of the pipe body (1) is surrounded by the annular groove (21), the deformation mechanism (22) is arranged in the annular groove (21), the rotating cavity (24) is arranged on the outer side of the pipe groove and communicated with the annular groove (21), the gear (25) is rotatably arranged on the bottom wall of the rotating cavity (24), the motor (23) is arranged on the outer side of the pipe body (1), and a motor shaft of the motor (23) is fixedly connected with the gear (25);

and the pair of flanges (4) are respectively and fixedly arranged at the two ends of the inlet and the outlet of the pipe body (1).

2. The hydrofluoric acid pipeline dredging device of claim 1, wherein: the deformation mechanism (22) comprises a gear ring (222) and four pairs of dislocation elements, the gear ring (222) is rotatably arranged in the annular groove (21) and meshed with the gear (25), and the four pairs of dislocation elements are circumferentially distributed on the gear ring (222); the dislocation element comprises an arc-shaped plate (221), a reciprocating device (223), a blocking plate (224) and a moving groove (225);

the moving groove (225) is formed in the gear ring (222), the reciprocating device (223) is fixedly installed in the moving groove (225), the arc-shaped plate (221) is fixedly installed on the side wall of the annular groove (21), and the blocking plate (224) is fixedly connected with the reciprocating device (223) and is tightly matched with the arc-shaped plate (221) in a sliding manner;

the arc-shaped plate (221) and the blocking plate (224) are divided into an inner arc and an outer arc, the inner arc of the blocking plate (224) is matched with the outer arc of the arc-shaped plate (221), and the outer arc of the blocking plate (224) is matched with the inner arc of the arc-shaped plate (221).

3. The hydrofluoric acid pipeline dredging device of claim 1, wherein: the flange plate (4) is provided with a connecting component (3); -a connection assembly (3) comprising an internal toothed ring (31), a plurality of sub-gears (33) and a plurality of threaded shafts (34);

the inner gear ring (31) is rotatably arranged on the circumferential side face of the flange plate (4), the plurality of sub-gears (33) are rotatably arranged on one face, close to the pipe body (1), of the flange plate (4) in an annular mode, the plurality of sub-gears (33) are respectively meshed with the inner gear ring (31), the plurality of threaded shafts (34) are rotatably arranged in the flange plate (4) in an annular mode, and the plurality of threaded shafts (34) are respectively fixedly connected with the plurality of sub-gears (33).

4. The hydrofluoric acid pipeline dredging device of claim 3, wherein: the connecting assembly (3) further comprises a transparent ring (32), a plurality of reminding grooves (321) and a ring-shaped storage groove (322);

transparent ring (32) fixed mounting is in ring flange (4) circumference side, and a plurality of warning grooves (321) are seted up on transparent ring (32) surface, and the position and a plurality of screw shaft (34) position matching of a plurality of warning grooves (321), and annular holding tank (322) are seted up in transparent ring (32), and annular holding tank (322) and transparent ring (32) inboard space communicate through a plurality of through-holes.

5. The hydrofluoric acid pipeline dredging device of claim 3, wherein: a plurality of pairs of labor-saving elements are annularly arranged on the outer surface of the inner gear ring (31); the labor-saving element comprises a protruding column (311) and a groove (312);

the groove (312) is formed in the circumferential outer surface of the inner gear ring (31), and the protruding column (311) is fixedly installed in the groove (312) and extends to the outside of the groove (312).

6. The hydrofluoric acid pipeline dredging device of claim 2, wherein: and one surfaces of the arc-shaped plate (221) and the blocking plate (224), which are close to the outer wall of the annular groove (21), are fixedly provided with scrapers (26).

7. The hydrofluoric acid pipeline dredging device of claim 2, wherein: and sealing gaskets are fixedly arranged on the surfaces, which are not contacted with each other, of the arc-shaped plate (221) and the plugging plate (224).

8. The hydrofluoric acid pipeline dredging device of claim 2, wherein: and plastics are fixedly arranged on the inner wall of the pipe groove, one surface of each arc-shaped plate (221) and one surface of each blocking plate (224) which are contacted with hydrofluoric acid materials.

9. The hydrofluoric acid pipeline dredging device of claim 3, wherein: and a detection test paper is placed in the annular storage groove (322).

10. The hydrofluoric acid pipeline dredging device of claim 2, wherein: the reciprocating device (223) is an electric cylinder.