CN221117371U - Desulfurizing refining equipment for liquefied petroleum gas - Google Patents
Desulfurizing refining equipment for liquefied petroleum gas Download PDFInfo
- Publication number
- CN221117371U CN221117371U CN202322870315.9U CN202322870315U CN221117371U CN 221117371 U CN221117371 U CN 221117371U CN 202322870315 U CN202322870315 U CN 202322870315U CN 221117371 U CN221117371 U CN 221117371U
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- Prior art keywords
- inlet channel
- petroleum gas
- liquefied petroleum
- piston rod
- spray
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- 239000003915 liquefied petroleum gas Substances 0.000 title claims abstract description 25
- 238000007670 refining Methods 0.000 title claims abstract description 14
- 230000003009 desulfurizing effect Effects 0.000 title claims description 27
- 239000007921 spray Substances 0.000 claims abstract description 58
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 37
- 230000023556 desulfurization Effects 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000000889 atomisation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 239000012535 impurity Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 11
- 230000002745 absorbent Effects 0.000 description 8
- 239000002250 absorbent Substances 0.000 description 8
- 238000005507 spraying Methods 0.000 description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a desulfurization refining device for liquefied petroleum gas, which comprises a desulfurization tower, an air inlet channel, an exhaust channel, a liquid inlet channel, a liquid discharge channel and a self-protection spray device. According to the utility model, the self-protection spray device is arranged at the liquid outlet of the liquid inlet channel, when the liquid inlet channel enters a water cut-off state, the water pressure in the pressurizing cavity is reduced, the elastic force of the reset spring occupies the windward state, the piston member is pushed to move upwards for reset by the elastic force of the reset spring to restore the deformation, the piston rod moves upwards synchronously with the piston member, the distance between the connecting frame and the atomizing spray head is shortened until the sealing needle is inserted into the nozzle at the bottom of the atomizing spray head to seal the nozzle, so that the nozzle is not easy to enter impurities to cause faults, the protection can be automatically provided for the atomizing spray head, and the fault occurrence rate of the atomizing spray head is reduced.
Description
Technical Field
The utility model relates to the technical field of liquefied petroleum gas desulfurization treatment, in particular to a desulfurization refining device for liquefied petroleum gas.
Background
The liquefied petroleum gas contains hydrogen sulfide, which corrodes process pipelines and equipment in production, and sulfur dioxide generated when the liquefied petroleum gas is used as civil fuel pollutes the environment and endangers the health of human bodies, so that the liquefied petroleum gas needs to be subjected to desulfurization treatment, and a desulfurization tower is generally used for carrying out desulfurization treatment on the liquefied petroleum gas in the prior art.
Current patent application number: CN201420300357.7 improves liquefied gas desulfurizing tower desulfurization quality system, its characterized in that: the lower part of the desulfurizing tower is connected with a liquefied gas inlet pipeline, and the upper part of the desulfurizing tower is connected with a lean amine liquid pipeline; the top of the desulfurizing tower is connected with a desulfurizing liquefied gas pipeline, and the bottom of the desulfurizing tower is connected with a rich amine liquid pipeline; the middle upper part of the desulfurizing tower is connected with a boundary position meter A, and the middle part of the desulfurizing tower is added with a boundary position meter B. The system for improving the desulfurization quality of the liquefied gas desulfurization tower can strengthen the separation effect of the liquefied gas and the amine liquid, recover the amine liquid carried in the liquefied gas and improve the desulfurization quality of the liquefied gas.
The technical scheme of desulfurization treatment of liquefied petroleum gas by using a desulfurizing tower is described in the patent, a spraying system is arranged in the desulfurizing tower, the liquefied petroleum gas is desulfurized by the sprayed absorbent, wherein the spray head of the spraying system is generally an atomizing spray head, the absorbent can be sprayed into fine fog drops by the spray head, the absorbent can be fully contacted with the liquefied petroleum gas, the ideal desulfurization effect is achieved, but the spray nozzle of the atomizing spray head is very small, the spray nozzle blocking phenomenon is easy to occur, so that the spraying effect is greatly reduced, the spraying system is positioned in the desulfurizing tower, the repairing is inconvenient, the maintenance period is long, the protective measures of the atomizing spray head are required to be perfected according to the problems, and the fault occurrence rate of the atomizing spray head is reduced.
Disclosure of utility model
Accordingly, in order to solve the above-described drawbacks, the present utility model provides a desulfurization refining apparatus for liquefied petroleum gas.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a liquefied petroleum gas's desulfurization refining equipment, includes desulfurizing tower, inlet channel, exhaust passage, inlet channel, flowing back passageway and self-protection spray set, the inlet channel is installed in desulfurizing tower left side middle part access, desulfurizing tower top access is installed the exhaust passage, inlet channel is installed in desulfurizing tower right side upper end access, the flowing back passageway is installed in desulfurizing tower right side lower tip access, the liquid outlet department of inlet channel is provided with self-protection spray set, self-protection spray set includes spray cap, atomizer, pressurized cavity, piston rod, piston piece, reset spring, link and seal needle, spray cap is located the inboard upper end of desulfurizing tower, atomizer is installed in spray cap bottom surface outside region, spray cap inboard bottom surface middle part is provided with the pressurized cavity, spray cap bottom surface middle part in-pass is put the mouth and is sealed sliding to be installed the piston rod top and extend into pressurized cavity inboard and piston piece screw fixation, piston piece is sealed sliding along pressurized cavity inboard, the piston rod surface cover is equipped with reset spring top, reset spring and piston piece, reset spring and reset spring contact top end and reset spring seal needle are connected with the top surface, reset spring seal needle is installed to the bottom, the top surface is sealed with the top surface and is sealed with the piston rod.
Preferably, the piston rod is a hollow tube structure with a hollow interior.
Preferably, the number of the sealing needles is consistent with that of the atomizing spray heads, and the positions of the sealing needles correspond to those of the atomizing spray heads.
Preferably, the width of the connecting frame is not more than 5mm.
Preferably, the top end of the pressurizing cavity is provided with a collecting flaring which is funnel-shaped.
Preferably, the unidirectional movement travel distance of the piston rod is not less than 5cm.
The utility model has the beneficial effects that:
according to the utility model, the self-protection spray device is arranged at the liquid outlet of the liquid inlet channel, when the liquid inlet channel enters a water cut-off state, the water pressure in the pressurizing cavity is reduced, the elastic force of the reset spring occupies the windward state, the piston member is pushed to move upwards for reset by the elastic force of the reset spring to restore the deformation, the piston rod moves upwards synchronously with the piston member, the distance between the connecting frame and the atomizing spray head is shortened until the sealing needle is inserted into the nozzle at the bottom of the atomizing spray head to seal the nozzle, so that the nozzle is not easy to enter impurities to cause faults, the protection can be automatically provided for the atomizing spray head, and the fault occurrence rate of the atomizing spray head is reduced.
The top end of the pressurizing cavity is provided with the collecting flaring, and the funnel-shaped collecting flaring enables water flow to enter the pressurizing cavity more easily, so that necessary pressure is provided for the piston member.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional elevation view of a spray shield of the present utility model;
FIG. 3 is a schematic view of the water-through state structure of the spray cap of FIG. 2 according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A in accordance with the present utility model;
FIG. 5 is a schematic view of the bottom view of the spray shield of the present utility model;
fig. 6 is a schematic top view of the piston rod of the present utility model.
Wherein: the desulfurization tower comprises a desulfurization tower body-1, an air inlet channel-2, an exhaust channel-3, a liquid inlet channel-4, a liquid discharge channel-5, a self-protection spraying device-6, a spraying cover-61, an atomization spray head-62, a pressurizing cavity-63, a collecting flaring-631, a piston rod-64, a piston piece-65, a reset spring-66, a connecting frame-67 and a sealing needle-68.
Detailed Description
In order to further explain the technical scheme of the utility model, the following is explained in detail through specific examples.
Referring to fig. 1, the utility model provides a desulfurization refining device for liquefied petroleum gas, which comprises a desulfurization tower 1, an air inlet channel 2, an air outlet channel 3, a liquid inlet channel 4, a liquid discharge channel 5 and a self-protection spray device 6, wherein the air inlet channel 2 is connected and installed in the middle of the left side of the desulfurization tower 1, the air outlet channel 3 is connected and installed in the top end of the desulfurization tower 1, the liquid inlet channel 4 is connected and installed in the upper end of the right side of the desulfurization tower 1, the liquid discharge channel 5 is connected and installed in the lower end of the right side of the desulfurization tower 1, and the liquid outlet of the liquid inlet channel 4 is provided with the self-protection spray device 6.
Referring to fig. 2-6, the self-protection spray device 6 in the utility model comprises a spray cover 61, an atomization spray head 62, a pressurizing cavity 63, a piston rod 64, a piston member 65, a reset spring 66, a connecting frame 67 and a sealing needle 68, wherein the spray cover 61 is arranged at the liquid outlet part of the liquid inlet channel 4 in a threaded manner, the spray cover 61 is positioned at the upper end part of the inner side of the desulfurizing tower 1, the atomization spray head 62 is arranged in the outer side area of the bottom surface of the spray cover 61, the pressurizing cavity 63 is arranged in the middle part of the inner side bottom surface of the spray cover 61, the piston rod 64 is hermetically and slidingly arranged in a through hole in the middle part of the bottom surface of the spray cover 61, the piston rod 64 is longitudinally arranged, the top end of the piston rod 64 extends into the inner side of the pressurizing cavity 63, the top end part of the piston rod 64 is screwed with the piston member 65, the piston member 65 hermetically slides along the inner side of the pressurizing cavity 63, after liquid enters the pressurizing cavity 63, the piston member 65 can exert pressure to enable the piston member 65 to descend, the outer surface of the piston rod 64 is sheathed with the reset spring 66, the top end of the reset spring 66 is in conflict with the piston member 65, the bottom end of the reset spring 66 is in conflict with the pressurizing cavity 63, the power of the reset spring 66 for the upper piston rod 64 to move and reset, the connecting frame 67 is arranged at the bottom end 67, the connecting frame 67 is horizontally, the top of the connecting frame 67 is arranged, the top and the connecting frame 67 is arranged, the connecting frame 67 is horizontally and is arranged, and the top and is arranged, and the top seal easily, and is horizontally arranged.
Further illustratively, the piston rod 64 is a hollow tube structure with a hollow interior to control the overall weight of the piston rod 64 so that the piston rod 64 is more easily pushed by the water pressure.
Further, the number of the seal pins 68 is consistent with that of the atomizing nozzles 62, and the seal pins 68 correspond to the positions of the atomizing nozzles 62, so that the entire atomizing nozzles 62 can be synchronously opened and closed, and the consistency is maintained.
Further, the width of the connecting frame 67 is not more than 5mm, so that the connecting frame 67 is thin enough, and the atomizing nozzle 62 is not easy to be shielded.
To further illustrate, the top end of the pressure chamber 63 is provided with a collecting flaring 631, the collecting flaring 631 is funnel-shaped, and water flow is easier to enter the pressure chamber 63 through the collecting flaring 631 so as to provide necessary pressure for the piston member 65.
Further, the unidirectional movement travel distance of the piston rod 64 is not less than 5cm, so that the connecting frame 67 can be far away from the position of the atomizing nozzle 62, and the atomizing nozzle 62 is not easy to be blocked.
The working principle is as follows:
Firstly, the liquefied petroleum gas contains hydrogen sulfide, which corrodes process pipelines and equipment during production, and sulfur dioxide generated when the liquefied petroleum gas is used as civil fuel pollutes the environment and endangers the health of human bodies, so that the liquefied petroleum gas needs to be subjected to desulfurization treatment by using the desulfurizing tower 1.
Secondly, when the desulfurization process is performed, liquefied gas enters the desulfurization tower 1 from the air inlet channel 2, meanwhile, the liquid inlet channel 4 adds an absorbent into the spray cover 61, the absorbent is sprayed into fine fog drops through the atomization spray head 62, the atomized absorbent contacts and reacts with the liquefied gas to perform desulfurization, the liquefied gas is discharged outwards from the desulfurization tower 1 through the exhaust channel 3 after desulfurization treatment, and the absorbent is discharged outwards through the liquid discharge channel 5 to be recovered, so that the desulfurization process of the liquefied gas is completed.
Third, when the absorbent is added into the spray cap 61 through the liquid inlet channel 4, the top end of the pressurizing cavity 63 is provided with the collecting flaring 631, the funnel-shaped collecting flaring 631 makes the water flow easier to enter into the pressurizing cavity 63, so as to provide necessary pressure for the piston member 65, make the hydraulic energy overcome the elastic force of the reset spring 66 to push the piston member 65 to descend, and the piston rod 64 moves down synchronously with the piston member 65, so that the distance between the connecting frame 67 and the atomizer 62 is increased, and the seal needle 68 is separated from the bottom nozzle from the atomizer 62, thereby making the atomizer 62 operate normally.
Fourth, when the liquid inlet channel 4 enters the water cut-off state, the internal water pressure of the pressurizing cavity 63 is reduced, at this time, the elastic force of the reset spring 66 occupies the windy space, the piston member 65 is pushed to move upwards for reset by the elastic force of the reset spring 66 to restore the deformation, the piston rod 64 moves upwards synchronously with the piston member 65, the distance between the connecting frame 67 and the atomizing nozzle 62 is reduced, until the sealing needle 68 is inserted into the nozzle at the bottom of the atomizing nozzle 62 to seal the nozzle, so that the nozzle is not easy to enter impurities to cause faults, the protection can be automatically provided for the atomizing nozzle 62, and the fault occurrence rate of the atomizing nozzle 62 is reduced.
The utility model provides a desulfurization refining device for liquefied petroleum gas, which is characterized in that a self-protection spraying device 6 is arranged at a liquid outlet of a liquid inlet channel 4, when the liquid inlet channel 4 enters a water cut-off state, the internal water pressure of a pressurizing cavity 63 is reduced, at the moment, the elastic force of a return spring 66 occupies the upwind, the piston member 65 is pushed to move upwards and reset by the elastic force of the return spring 66 to restore deformation, a piston rod 64 moves upwards synchronously with the piston member 65, the distance between a connecting frame 67 and an atomizing nozzle 62 is shortened until a sealing needle 68 is inserted into a nozzle at the bottom of the atomizing nozzle 62 to seal the nozzle, so that the nozzle is not easy to enter impurities to cause faults, the protection can be automatically provided for the atomizing nozzle 62, the fault occurrence rate of the atomizing nozzle 62 is reduced, and the funnel-shaped collecting flaring 631 enables water flow to enter the pressurizing cavity 63 more easily, so that necessary pressure is provided for the piston member 65.
The foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a liquefied petroleum gas's desulfurization refining equipment, includes desulfurizing tower (1), inlet channel (2), exhaust channel (3), feed liquor passageway (4) and flowing back passageway (5), inlet channel (2) are installed in desulfurizing tower (1) left side middle part access, exhaust channel (3) are installed in desulfurizing tower (1) top access, feed liquor passageway (4) are installed in desulfurizing tower (1) right side upper end access, flowing back passageway (5) are installed in desulfurizing tower (1) right side lower extreme access;
The method is characterized in that: the self-protection spray device (6) is arranged at the liquid outlet of the liquid inlet channel (4), the self-protection spray device (6) comprises a spray cover (61), an atomization spray head (62), a pressurizing cavity (63), a piston rod (64), a piston piece (65), a reset spring (66), a connecting frame (67) and a sealing needle (68), the spray cover (61) is arranged at the liquid outlet part of the liquid inlet channel (4) in a threaded manner, the spray cover (61) is positioned at the upper end part of the inner side of the desulfurizing tower (1), the atomization spray head (62) is arranged in the outer side area of the bottom surface of the spray cover (61), the pressurizing cavity (63) is arranged in the middle part of the inner side bottom surface of the spray cover (61), a piston rod (64) is arranged in the middle opening of the bottom surface in a sealing sliding manner, the inner side of the piston rod (64) extends into the pressurizing cavity (63) and is fixed with a piston piece (65) in a screw manner, the piston piece (65) is in the inner side of the pressurizing cavity (63), the reset spring (66) is sleeved on the outer surface of the piston rod (64), the top end of the reset spring (66) is in contact with the piston piece (65) and the piston piece (63) and is in contact with the bottom end of the pressurizing frame (64), the top surface of the connecting frame (67) is provided with a sealing needle (68), and the sealing needle (68) can be inserted with a nozzle at the bottom of the atomizing nozzle (62).
2. The desulfurization refining apparatus for liquefied petroleum gas according to claim 1, wherein: the piston rod (64) is of a hollow tube structure with a hollow interior.
3. The desulfurization refining apparatus for liquefied petroleum gas according to claim 1, wherein: the seal needles (68) are consistent with the number of the atomizing spray heads (62), and the seal needles (68) correspond to the positions of the atomizing spray heads (62).
4. The desulfurization refining apparatus for liquefied petroleum gas according to claim 1, wherein: the width of the connecting frame (67) is not more than 5mm.
5. The desulfurization refining apparatus for liquefied petroleum gas according to claim 1, wherein: the top end of the pressurizing cavity (63) is provided with a collecting flaring (631), and the collecting flaring (631) is funnel-shaped.
6. The desulfurization refining apparatus for liquefied petroleum gas according to claim 1, wherein: the unidirectional movement travel distance of the piston rod (64) is not less than 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322870315.9U CN221117371U (en) | 2023-10-25 | 2023-10-25 | Desulfurizing refining equipment for liquefied petroleum gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322870315.9U CN221117371U (en) | 2023-10-25 | 2023-10-25 | Desulfurizing refining equipment for liquefied petroleum gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221117371U true CN221117371U (en) | 2024-06-11 |
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ID=91337977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322870315.9U Active CN221117371U (en) | 2023-10-25 | 2023-10-25 | Desulfurizing refining equipment for liquefied petroleum gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221117371U (en) |
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2023
- 2023-10-25 CN CN202322870315.9U patent/CN221117371U/en active Active
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