Liquid sulfur pressure reduction and flow stabilization uniform distributor for sulfur wet forming device

Abstract

A liquid sulfur pressure reduction and flow stabilization uniform distributor for a sulfur wet forming device is assembled between a liquid sulfur conveying pipeline and a distribution disc and comprises a jacket inner pipe and a jacket outer pipe which are nested inside and outside, the whole uniform distributor is of an inverted T-shaped structure with an opening in the upper end, a steam inlet is formed in the high point of the jacket outer pipe, and a condensed water outlet is formed in the low point of the jacket outer pipe. A plurality of sulfur outlet pipes for outputting liquid sulfur are arranged at the bottom of the uniform distributor, and the total trepanning area of the plurality of sulfur outlet pipes at the bottom of the uniform distributor is 3-5 times of the cross sectional area of the liquid sulfur conveying pipeline. The pressure of the liquid sulfur entering the distribution disc from the main pipeline is reduced, the problem that the liquid sulfur is cooled and solidified to block a pipe orifice due to non-uniform heat tracing after shutdown is avoided, and the running stability and safety of the sulfur wet forming device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to auxiliary equipment technical field of sulphur wet forming device, specifically is a kind of liquid sulphur pressure-reducing steady flow distributor for sulphur wet forming device, for the pressure reduction, uniform distribution of liquid sulphur. BACKGROUND

[0002] At present, sulphur wet forming device in the prior art is all adopted liquid sulphur pipeline into distribution disc or adopted non-heat flower shower form to send liquid sulphur into distribution disc.The significant defect of the two ways is:

[0003] 1, liquid sulphur pipeline direct delivery method can produce a large amount of splashing when liquid sulphur enters distribution disc from pipeline every time starting or when liquid sulphur pipeline pressure fluctuates, and the splashing liquid sulphur exists high scald risk to worker.

[0004] 2, non-heat flower shower type delivery method although plays the role of buffer to liquid sulphur, but since buffer volume is small, so buffer pressure reduction effect is not ideal, still exist liquid sulphur splashing condition, and since it is adopted non-heat form, residual liquid sulphur in pipeline after shutdown can be cooled and solidified on flower shower, block pipeline end, affect the progress of next start. INVENTION CONTENTS

[0005] The technical purpose of the utility model is to solve the problems of liquid sulphur splashing when liquid sulphur enters distribution disc in prior art, poor operating environment and liquid sulphur solidification blocking pipeline after shutdown.Provide a kind of liquid sulphur pressure-reducing steady flow distributor for sulphur wet forming device.

[0006] The utility model discloses a kind of liquid sulphur pressure-reducing steady flow distributors for sulphur wet forming device to solve the above technical problems, the technical scheme used is: a kind of liquid sulphur pressure-reducing steady flow distributor for sulphur wet forming device, the distributor is assembled between liquid sulphur conveying pipeline and distribution disc, including the jacketed inner tube and jacketed outer tube of inner and outer nested settings, jacketed inner tube is used to flow liquid sulphur, the interlayer between jacketed inner tube and jacketed outer tube is closed, through type cavity space for flow-through heating steam, distributor is overall inverted T type structure with upper end opening, the top of vertical section in inverted T type structure is connected with the conveying end of liquid sulphur conveying pipeline by jacketed flange, jacketed flange 1 is welded at the liquid sulphur inlet 7 of distributor top, the end of left and right branch section is closed, steam inlet is provided on the top of left branch section jacketed outer tube, condensate outlet is provided on the lower part of right branch section jacketed outer tube, the position of left branch section inside near vertical section is provided with partition ring plate, the partition ring plate is clamped between jacketed outer tube and jacketed inner tube, for steam input steam inlet is blocked in the inside of left branch section, steam cross line for steam in the inside of left branch section is introduced to the upper part of vertical section is also provided on the left side of partition ring plate on left branch section, so that steam in the inside of left branch section can be transported to the interlayer in vertical section and right branch section via the steam cross line;

[0007] An anti-collision plate is also provided on the bottom surface of the inner tube of the jacket directly below the vertical section. The anti-collision plate is an upwardly convex arc-shaped plate structure. Inside the inner tube of the jacket, perforated plates for slowing down flow and reducing pressure are provided along their respective cross sections at the middle positions of the vertical section, the left branch section, and the right branch section.

[0008] A plurality of sulfur outlet pipes for discharging liquid sulfur are arranged at the bottom of the uniform distributor. Each sulfur outlet pipe is arranged through the bottom of the jacket inner tube and the jacket outer tube, so that the liquid sulfur in the jacket inner tube can be discharged to the distribution plate arranged below the uniform distributor through the sulfur outlet pipe. The total opening area of ​​the plurality of sulfur outlet pipes at the bottom of the uniform distributor is 3 to 5 times the cross-sectional area of ​​the liquid sulfur conveying pipeline.

[0009] Furthermore, the jacket flange is welded to the liquid sulfur inlet at the top of the distributor.

[0010] Furthermore, the steam inlet is arranged at the top of the end of the outer jacket tube of the left branch section, and the condensate outlet is arranged at the lower part of the end of the outer jacket tube of the right branch section where it does not interfere with the sulfur outlet pipe.

[0011] Furthermore, the left branch section and the right branch section of the inverted T-shaped structure distributor are both arranged horizontally.

[0012] Furthermore, the left branch section and the right branch section of the distributor are arranged vertically parallel to the distribution plate.

[0013] Furthermore, the punching plate has a "well"-shaped hollow structure.

[0014] Furthermore, a heating component is provided on the steam crossover line.

[0015] Furthermore, the sulfur outlet pipe is arranged between the bottom of the jacket inner pipe and the jacket outer pipe, the top of the sulfur outlet pipe extends to the inside of the jacket inner pipe, and the inside of the sulfur outlet pipe does not penetrate the inside of the interlayer.

[0016] Furthermore, the height from the top of the sulfur outlet pipe to the inside of the jacket inner pipe is 10-30 mm.

[0017] Furthermore, the multiple sulfur outlet pipes at the bottom of the distributor are arranged in a continuously dense manner from the middle to both ends.

[0018] The beneficial effects of the utility model are:

[0019] The liquid sulfur pressure reduction, flow stabilization and uniform distribution device for the sulfur wet forming device has the advantages of simple structure, reasonable design, improved liquid sulfur entering mode and steam heating mode, reduced pressure of liquid sulfur entering the distribution disc from the liquid sulfur conveying pipeline, uniform distribution of the liquid sulfur, solved risk of personnel scalding caused by liquid sulfur splashing, provided more safe operation environment for on-site operators, avoided problems of liquid sulfur cooling and solidification blockage of the pipe opening caused by uneven heating after shutdown, and improved stability and safety of the sulfur wet forming device operation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of the utility model;

[0021] Figure 2 It is a structural schematic view of the punching plate in the utility model;

[0022] The reference signs are as follows: 1, clamping sleeve flange; 2, clamping sleeve inner pipe; 3, clamping sleeve outer pipe; 4, baffle; 5, steam inlet; 6, condensate water outlet; 7, liquid sulfur inlet; 8, sulfur outlet pipe; 9, distribution disc; 10, partition ring plate; 11, steam cross line; 12, anti-punching plate; 13, punching plate. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be explained and described in further detail in combination with the drawings and specific embodiments:

[0024] The liquid sulfur pressure reduction, flow stabilization and uniform distribution device for the sulfur wet forming device is assembled between the liquid sulfur conveying pipeline and the distribution disc 9, comprises the clamping sleeve inner pipe 2 and the clamping sleeve outer pipe 3 which are arranged in a nested manner, the clamping sleeve inner pipe 2 is used for circulating liquid sulfur, the clamping layer between the clamping sleeve inner pipe 2 and the clamping sleeve outer pipe 3 is a closed and through cavity space for circulating heating steam, the whole uniform distribution device is in the inverted T-shaped structure with an open top end, the top end of the vertical section in the inverted T-shaped structure is connected with the conveying end of the liquid sulfur conveying pipeline through the clamping sleeve flange 1, the clamping sleeve flange 1 is welded at the liquid sulfur inlet 7 at the top end of the uniform distribution device, the left branch section and the right branch section of the inverted T-shaped structure uniform distribution device are both arranged horizontally, and the left branch section and the right branch section are arranged in parallel with the distribution disc 9 in an up-down manner, and the ends of the left and right branch sections are both in a closed shape.

[0025] The steam inlet 5 is arranged at the top of the outer jacket pipe 3 of the left branch section, and the condensed water outlet 6 is arranged at the lower part of the outer jacket pipe 3 of the right branch section.

[0026] The anti-collision plate 12 is arranged on the bottom surface of the inner jacket pipe 2 below the vertical section, and the anti-collision plate 12 is in the form of an upwardly protruding arc-shaped plate structure, and the anti-collision plate 12 is used for preventing the liquid sulfur from washing and wearing the tee joint of the inner jacket pipe 2.

[0027] The multiple sulfur outlet pipes 8 are arranged at the bottom of the distributor, and the multiple sulfur outlet pipes 8 are arranged between the bottom of the inner jacket pipe 2 and the outer jacket pipe 3, each of the multiple sulfur outlet pipes 8 penetrates the bottom of the inner jacket pipe 2 and the outer jacket pipe 3, the top end of the sulfur outlet pipe 8 extends to the inside of the inner jacket pipe 2, and the inside of the sulfur outlet pipe 8 is not communicated with the inside of the interlayer, so that the liquid sulfur in the inner jacket pipe 2 can be output to the distribution disc 9 arranged below the distributor through the sulfur outlet pipe 8, the multiple sulfur outlet pipes 8 are arranged in a gradually dense state from the middle to the two ends of the bottom of the distributor, and the total opening area of the multiple sulfur outlet pipes 8 at the bottom of the distributor is 3-5 times of the cross-sectional area of the liquid sulfur conveying pipeline.

[0028] Further, the steam inlet 5 is arranged at the top of the end of the outer jacket pipe 3 of the left branch section, and the condensed water outlet 6 is arranged at the lower part of the end of the outer jacket pipe 3 of the right branch section and does not interfere with the sulfur outlet pipe 8.

[0029] Further, the height of the top end of the sulfur outlet pipe 8 extending to the inside of the inner jacket pipe 2 is 10-30 mm.

[0030] In the specific use of the liquid sulfur pressure reducing distributor for a sulfur wet forming device, the liquid sulfur from the liquid sulfur conveying pipeline enters the liquid sulfur distributor through the liquid sulfur inlet 7, is buffered and depressurized by the perforated plate 13 in the vertical section first, then enters the tee joint to be buffered again, is divided into two parts at the same time, the buffering space is instantaneously enlarged, and secondary buffering is obtained, then is fully buffered and depressurized again in the horizontal inner jacket pipe 2 after passing through the two perforated plates 13, and is discharged through the sulfur outlet pipe 8 from the multiple liquid sulfur discharge small holes arranged at the bottom of the horizontal pipe, and the distribution is completed.

[0031] The anti-collision plate 12 arranged just below the vertical section of the uniform distributor is an upwardly protruding arc-shaped plate structure, which is intended to prevent liquid sulfur from eroding and wearing the bottom plate of the diversion part of the jacket inner tube 2.

[0032] Steam enters the interlayer inside the jacket outer tube 3 from the steam inlet 5 pipe, is sealed and blocked by the partition ring plate 10 at the right end of the left branch section, and is introduced into the upper part of the vertical section through the steam cross-line 11. It circulates through the interlayer inside the vertical section and the right branch section to complete the heating of the entire liquid sulfur distributor without dead angles, and is finally discharged from the condensate outlet 6 at the lower end of the right branch section. After passing through the steam trap, the steam enters the condensate pipe network. The liquid sulfur distributor adopts full jacket heating to avoid the solidification of residual liquid sulfur in the pipeline after shutdown.

[0033] Example 1

[0034] This utility model provides a liquid sulfur pressure reduction and uniform distribution device for a sulfur wet-process forming device. The device primarily provides a liquid sulfur uniform distributor. The uniform distributor structurally comprises a jacketed inner tube 2, a jacketed outer tube 3, a steam inlet 5, a condensate outlet 6, a partition plate 10, a steam crossover 11, a shock plate 12, and a perforated plate 13. The jacketed outer tube 3 is sheathed over the jacketed inner tube 2 to form an inverted T-shaped structure. A jacketed flange 1 is welded to the upper liquid sulfur inlet 7, facilitating connection and removal with the liquid sulfur delivery pipeline.

[0035] The left and right sides of the inverted T-shaped structure distributor are blocked with baffles 4. The steam inlet 5 and the condensate outlet 6 are respectively located on the left and right branch pipe sections of the jacket outer tube 3. The steam inlet 5 is at the high point of the left and right branch pipe sections of the jacket outer tube 3, and the condensate outlet 6 is at the low point of the left and right branch pipe sections of the jacket outer tube 3, which is convenient for heating and drainage. A ring-shaped partition plate 10 is provided between the jacket inner tube 2 and the jacket outer tube 3 of the left branch section. It is located at one end of the left branch section close to the vertical section. Its main function is to isolate the steam and change the steam flow direction so that the steam heating of the liquid sulfur distributor is more uniform. A steam cross-line 11 is also provided between the bottom end of the left branch section and the upper part of the vertical section. A heating component can also be provided on the steam cross-line 11. The main function of the steam cross-line 11 is to lead the steam from the low point of the left branch section of the liquid sulfur distributor to the high point of the vertical section, so that the steam heating is more uniform and to avoid the formation of a heating dead zone in the jacket.

[0036] A collision prevention plate 12 is provided at the tee of the jacket inner tube 2 of the uniform distributor. The collision prevention plate 12 is in the shape of an upwardly protruding arc plate and is installed on the bottom surface of the tee. Its function is to prevent the liquid sulfur from scouring and wearing the bottom plate of the diversion part of the jacket inner tube 2; inside the jacket inner tube 2 of the uniform distributor, a perforated plate 13 for slowing down the flow and reducing the pressure is provided along the middle position of the vertical section, the left branch section and the right branch section along their respective cross sections. The perforated plate 13 is in the shape of a "well" hollow structure and is installed on the main tube and two branches of the jacket inner tube 2. Its main function is to slow down the flow and reduce the pressure of the liquid sulfur.

[0037] A row of small holes are opened at the bottom of the pipe of the uniform distributor, and a sulfur outlet pipe 8 is provided at the small hole. The opening area is 3 to 5 times the cross-sectional area of ​​the liquid sulfur conveying pipe. The sulfur outlet pipe is arranged between the bottom of the jacket inner tube 2 and the jacket outer tube 3. The top of the sulfur outlet pipe 8 extends to a certain height inside the jacket inner tube 2, generally 10-30 mm, so that the liquid sulfur can be discharged from the sulfur outlet pipe 8 more evenly, and the interior of the sulfur outlet pipe 8 does not penetrate the interior of the interlayer. The openings at the bottom of the uniform distributor are arranged from the middle to the two ends, and from sparse to dense, so as to better distribute the liquid sulfur and keep the amount of liquid sulfur flowing out of each small hole consistent.

[0038] The technical solutions and implementation methods listed in the present invention are not limiting. Solutions that are equivalent to or have the same effects as the technical solutions and implementation methods listed in the present invention are all within the scope of protection of the present invention.

Claims

1. A liquid sulfur pressure reducing, flow stabilizing, and uniform distributing device for a sulfur wet forming device, the device being installed between a liquid sulfur conveying pipe and a distribution plate (9), comprising an inner jacketed pipe (2) and an outer jacketed pipe (3) arranged in a nested manner, the inner jacketed pipe (2) being used for flowing liquid sulfur, and the space between the inner jacketed pipe (2) and the outer jacketed pipe (3) being a closed and through cavity space used for flowing steam for heating, characterized in that: The distributor is in an inverted T-shaped structure with an open top. The top of the vertical section in the inverted T-shaped structure is connected to the delivery end of the liquid sulfur delivery pipeline through a jacket flange (1). The ends of the left and right branch sections are both closed. A steam inlet (5) is provided at the top of the jacket outer tube (3) of the left branch section, and a condensate outlet (6) is provided at the bottom of the jacket outer tube (3) of the right branch section. A partition ring plate (10) is provided at a position near the vertical section inside the left branch section. The partition ring plate (10) is clamped between the jacket outer tube (3) and the jacket inner tube (2) and is used to seal the steam input from the steam inlet (5) inside the left branch section. A steam crossover line (11) for guiding the steam inside the left branch section to the upper part of the vertical section is also provided on the left side of the partition ring plate (10) on the left branch section, so that the steam inside the left branch section can be transported to the interlayer inside the vertical section and the right branch section via the steam crossover line (11); An anti-collision plate (12) is further provided on the bottom surface of the jacket inner tube (2) directly below the vertical section. The anti-collision plate (12) is an upwardly convex arc-shaped plate structure. Inside the jacket inner tube (2), perforated plates (13) for slowing down flow and reducing pressure are provided along their respective cross sections at the middle positions of the vertical section, the left branch section, and the right branch section. A plurality of sulfur outlet pipes (8) for outputting liquid sulfur are provided at the bottom of the uniform distributor. Each sulfur outlet pipe (8) is provided through the bottom of the jacket inner pipe (2) and the jacket outer pipe (3), so that the liquid sulfur in the jacket inner pipe (2) can be output to the distribution plate (9) provided below the uniform distributor through the sulfur outlet pipe (8). The total opening area of ​​the plurality of sulfur outlet pipes (8) at the bottom of the uniform distributor is 3 to 5 times the cross-sectional area of ​​the liquid sulfur delivery pipeline.

2. The liquid sulfur pressure reducing, flow stabilizing, and distributing device for a sulfur wet forming apparatus of claim 1, wherein: The jacket flange (1) is welded to the liquid sulfur inlet (7) at the top of the distributor.

3. The liquid sulfur pressure reducing, flow stabilizing, and distributing device for a sulfur wet forming apparatus of claim 1, wherein: The steam inlet (5) is arranged at the top of the end of the jacket outer tube (3) of the left branch section, and the condensate outlet (6) is arranged at the lower part of the end of the jacket outer tube (3) of the right branch section so as not to interfere with the sulfur outlet pipe (8).

4. The liquid sulfur pressure reducing, flow stabilizing, and distributing device for a sulfur wet forming apparatus of claim 1, wherein: The left branch section and the right branch section of the inverted T-shaped structure distributor are both arranged horizontally.

5. The liquid sulfur pressure reducing, flow stabilizing, and distributing device for a sulfur wet forming apparatus of claim 1, wherein: The left branch section and the right branch section of the distributor are arranged vertically parallel to the distribution plate (9).

6. The liquid sulfur pressure reducing, flow stabilizing, and distributing device for a sulfur wet forming apparatus of claim 1, wherein: The punching plate (13) has a "well"-shaped hollow structure.

7. The liquid sulfur pressure reducing, flow stabilizing, and distributing device for a sulfur wet forming apparatus of claim 1, wherein: The steam crossover line (11) is provided with a heating component.

8. The liquid sulfur pressure reducing, flow stabilizing, and distributing device for a sulfur wet forming apparatus of claim 1, wherein: The sulfur outlet pipe (8) is arranged between the bottom of the jacket inner pipe (2) and the jacket outer pipe (3), the top end of the sulfur outlet pipe (8) extends to the inside of the jacket inner pipe (2), and the inside of the sulfur outlet pipe (8) does not penetrate the inside of the interlayer.

9. The liquid sulfur pressure reducing, flow stabilizing, and distributing device for a sulfur wet forming apparatus of claim 8, wherein: The height from the top end of the sulfur outlet pipe (8) to the inside of the jacket inner pipe (2) is 10-30 mm.

10. The liquid sulfur pressure reducing, flow stabilizing, and distributing device for a sulfur wet forming apparatus of claim 1, wherein: The multiple sulfur outlet pipes (8) at the bottom of the distributor are arranged in a continuously dense manner from the middle to both ends.

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