Device for separating C5 and heavy gasoline

Abstract

The utility model provides a device for separating C5 and heavy gasoline, which comprises a tower body and a box body, the tower body is communicated with an oil outlet pipe, a feeding pipe and a discharging pipe, the box body is provided with a plurality of communication cavities, the communication cavities are communicated with feeding branch pipes and feeding branch pipes with valve control, the feeding branch pipes are communicated with the feeding pipe, and the discharging pipe is communicated with the box body. A plurality of feeding branch pipes are communicated with the feeding pipe, a mounting cover is detachably arranged at the communicating cavity, a first heat exchange pipe and a second heat exchange pipe are detachably arranged on the mounting cover, a discharging branch pipe, a material guiding branch pipe, an oil outlet branch pipe and an oil guiding branch pipe which are controlled by valves are arranged at the upper end of the box body, the discharging branch pipe and the oil guiding branch pipe are respectively communicated with the first heat exchange pipe, and the oil guiding branch pipe is communicated with the second heat exchange pipe. The oil outlet branch pipes and the oil guide branch pipes communicate with the second heat exchange pipes correspondingly, the multiple oil outlet branch pipes communicate with the oil outlet pipe, through special pipeline structure arrangement, the specified number of communicating cavities can be selected according to needs, flow division heat exchange is achieved, the heat energy utilization rate is increased, and the heat exchange structure is convenient to clean and replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petroleum chemical industry, concretely relates to a device for separating carbon five and heavy gasoline. BACKGROUND

[0002] C5 components in gasoline mainly include normal pentane, isopentane, cyclopentane and pentadiene etc. hydrocarbon compounds, and reducing C5 content in gasoline helps to guarantee gasoline vapor pressure qualification and ensure anti-knock stability of internal combustion engine. The removed C5 can be used as product for chemical industry alone or re-enter catalytic riser for reprocessing. Through this way, the overall quality and performance of gasoline can be improved, and the influence on environment can be reduced. C5 in heavy gasoline is usually separated in the form of distillation, the raw material mixed with C5 and heavy gasoline is input into the C5 removal tower, the raw material is heated at the bottom of the C5 removal tower, C5 product is output at the top and transported to the spherical tank area product C5 tank for storage as C5 product, heavy gasoline is output at the bottom and transported to the atmospheric tank area tank for storage as gasoline blending material. However, in the process, the raw material cannot be fully preheated, the whole heating and distillation process takes a long time, and the heat contained in the obtained C5 product and heavy gasoline cannot be fully utilized, the overall heat utilization rate is low, and the energy consumption is large. SUMMARY

[0003] The utility model aims at solving the above problems in the prior art.

[0004] The utility model provides a device for separating carbon five and heavy gasoline, comprising:

[0005] The tower body is provided with an oil outlet pipe, a feed pipe and a discharge pipe with valve control in sequence from bottom to top.

[0006] The box body is provided with a plurality of communication cavities, each of which is provided with a feed branch pipe and a feed branch pipe with valve control in sequence from bottom to top, a plurality of feed branch pipes are communicated with the feed pipe, a plurality of feed branch pipes are provided with a feed pipe in communication, and the feed pipe is provided with a pump body.

[0007] A mounting cover is detachably arranged at each of the communication cavities, the mounting cover is detachably provided with the first heat exchange pipe and the second heat exchange pipe, the upper end of the box body is provided with a discharge branch pipe, a guide branch pipe, an oil outlet branch pipe and a guide oil branch pipe with valve control, the discharge branch pipe and the guide branch pipe are respectively used for being communicated with the two ends of the first heat exchange pipe, the oil outlet branch pipe and the guide oil branch pipe are respectively used for being communicated with the two ends of the second heat exchange pipe, a plurality of discharge branch pipes are communicated with the discharge pipe, a plurality of oil outlet branch pipes are communicated with the oil outlet pipe, a plurality of guide branch pipes are provided with a material collecting pipe, and a plurality of guide oil branch pipes are provided with an oil collecting pipe.

[0008] Preferably, the upper end of the communication cavity is provided with an annular table, the mounting cover is detachably mounted on the annular table and blocks the communication cavity, one end of the discharge branch pipe, the guide branch pipe, the oil outlet branch pipe and the guide oil branch pipe is communicated with a vertical pipe penetrating the annular table, the mounting cover is provided with four mounting grooves, and the four mounting grooves are respectively sleeved with the four vertical pipes.

[0009] Preferably, the two ends of the first heat exchange pipe and the two ends of the second heat exchange pipe are communicated with a connecting pipe, the mounting cover is provided with four mounting holes and four channels, the four mounting holes are communicated with the four mounting grooves through the four channels, the four connecting pipes are respectively inserted into the four mounting holes, the top end of the connecting pipe extends out of the mounting hole and is provided with external threads, the external threads are threadedly connected with a threaded cover, the threaded cover abuts against the top of the mounting cover, the outer side of the bottom of the connecting pipe is provided with a sealing ring abutting against the bottom of the mounting cover, and the side of the connecting pipe is provided with a through hole.

[0010] Preferably, the annular table is provided with a plurality of threaded holes, the threaded holes are threadedly connected with bolts, and the mounting cover is provided with a plurality of perforations for the bolts to pass through.

[0011] Preferably, the outer side of the vertical pipe is provided with a conical table, and the mounting groove is provided with an abutting surface closely contacting the conical table.

[0012] Preferably, the mounting cover is provided with an annular groove, the annular groove is sleeved with a rubber ring, the outer ring of the rubber ring is a conical surface, and the annular table is provided with a fitting surface fitting the conical surface.

[0013] Preferably, the mounting cover is provided with a handle.

[0014] Preferably, the bottom of the communication cavity is provided with a blowdown pipe with valve control.

[0015] Preferably, the first heat exchange pipe and the second heat exchange pipe are W-shaped pipes.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] Pump body drives heavy gasoline and carbon five mixed raw materials to be transported to different communicating cavities through feed pipe and several feed branch pipes, and is converged to feed pipe through several feed branch pipes, and continues to be transported to tower body, the mixed raw materials of heavy gasoline and carbon five in tower body are heated by electric heater, carbon five is output from the discharge pipe at the top of the tower, heavy gasoline can be output from the oil outlet pipe at the bottom of the tower, carbon five output from the discharge pipe is transported through several first heat exchange pipes, and is flowed to the collecting pipe through several guide pipes and is discharged after converging, heavy gasoline output from the oil outlet pipe is transported through several second heat exchange pipes, and is flowed to the oil collecting pipe through several guide pipes and is discharged after converging, realizing the split delivery of raw materials, heavy gasoline and carbon five, and in different communicating cavities, the split carbon five and heavy gasoline are heat exchanged with the raw materials in the communicating cavities through the first heat exchange pipe and the second heat exchange pipe, the heat exchange area is increased, the heat exchange efficiency is improved, the raw materials are fully preheated, which is beneficial to saving energy consumption, wherein, different communicating cavities can be switched according to the valve control through each pipe, the installation cover, the first heat exchange pipe and the second heat exchange pipe in the idle communicating cavity are convenient to unload, clean and replace, which is beneficial to maintaining the heat exchange effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only preferred embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0019] Figure 1 It is the structure schematic view of the tower body in an embodiment of the utility model;

[0020] Figure 2 It is the structure schematic view of the box body in an embodiment of the utility model;

[0021] Figure 3 It is the structure schematic view of the box body and the installation cover in an embodiment of the utility model;

[0022] Figure 4 It is the structure schematic view of the communicating cavity and the installation cover in an embodiment of the utility model;

[0023] Figure 5 It is the structure schematic view of the communicating cavity and the installation cover in an embodiment of the utility model; Figure 4 It is the enlarged view of A in the utility model;

[0024] Figure 6The structure schematic view of the ring-shaped table, the discharge branch pipe, the guide material branch pipe, the oil outlet branch pipe and the oil guide branch pipe in an embodiment of the utility model is shown.

[0025] Figure 7 The structure schematic view of the mounting cover, the first heat exchange pipe and the second heat exchange pipe in an embodiment of the utility model is shown.

[0026] In the figure, 1 is a tower body, 11 is an oil outlet pipe, 12 is a feeding pipe, 13 is a discharge pipe, 2 is a box body, 21 is a discharge branch pipe, 22 is a guide material branch pipe, 23 is an oil outlet branch pipe, 24 is an oil guide branch pipe, 3 is a communication cavity, 31 is a feeding branch pipe, 32 is a feeding pipe, 33 is a blowdown pipe, 4 is a feeding pipe, 41 is a pump body, 5 is a mounting cover, 51 is a first heat exchange pipe, 52 is a second heat exchange pipe, 53 is a mounting groove, 531 is an abutting surface, 54 is a mounting hole, 55 is a channel, 56 is an annular groove, 57 is a rubber ring, 58 is a handle, 59 is a perforation, 6 is a material collecting pipe, 7 is an oil collecting pipe, 8 is a ring-shaped table, 81 is a vertical pipe, 811 is a conical table, 82 is a threaded hole, 83 is a bolt, 84 is a fitting surface, 9 is a connecting pipe, 91 is an external thread, 92 is a threaded cover, 93 is a sealing ring and 94 is a through hole. DETAILED DESCRIPTION

[0027] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the application, but it cannot be understood as the limitation of the protection scope of the application.

[0028] Embodiment 1

[0029] With reference to Figures 1 to 7 The utility model provides a device for separating carbon five and heavy gasoline, which comprises:

[0030] The tower body 1 is provided with the oil outlet pipe 11, the feeding pipe 12 and the discharge pipe 13 with valve control in turn from bottom to top, and the bottom of the tower body 1 is provided with an electric heater;

[0031] The box body 2 is provided with a plurality of communication cavities 3, and each communication cavity 3 is provided with the feeding branch pipe 31 and the feeding pipe 32 with valve control in turn from bottom to top, a plurality of feeding branch pipes 31 are provided with the feeding pipe 4 in communication, and the feeding pipe 4 is provided with the pump body 41;

[0032] The installation cover 5 is detachably arranged at each communicating cavity 3, the first heat exchange pipe 51 and the second heat exchange pipe 52 are detachably arranged on the installation cover 5, the box body 2 is provided with a discharge branch pipe 21, a material guiding branch pipe 22, an oil outlet branch pipe 23 and an oil guiding branch pipe 24 with valve control at the upper end, the discharge branch pipe 21 and the material guiding branch pipe 22 are respectively used for communicating with the two ends of the first heat exchange pipe 51, the oil outlet branch pipe 23 and the oil guiding branch pipe 24 are respectively used for communicating with the two ends of the second heat exchange pipe 52, a plurality of discharge branch pipes 21 communicate with the discharge pipe 13, a plurality of oil outlet branch pipes 23 communicate with the oil outlet pipe 11, a plurality of material guiding branch pipes 22 are provided with a material collecting pipe 6 communicated on the upper end, and a plurality of oil guiding branch pipes 24 are provided with an oil collecting pipe 7 communicated on the upper end.

[0033] The pump body 41 drives the heavy gasoline and carbon five mixed raw materials to be splitly transported to different communicating cavities 3 through the feed pipe 4 and a plurality of feed branch pipes 31, and then converged to the feed pipe 12 through a plurality of feed branch pipes 32, and then continuously transported into the tower body 1, the heavy gasoline and carbon five mixed raw materials in the tower body 1 are heated by the electric heater, the carbon five is output from the discharge pipe 13 at the top of the tower, the heavy gasoline can be output from the oil outlet pipe 11 at the bottom of the tower, the carbon five output from the discharge pipe 13 is transported through a plurality of discharge branch pipes 21 and a plurality of first heat exchange pipes 51, and then converged to the material collecting pipe 6 through a plurality of material guiding branch pipes 22 and then discharged, the heavy gasoline output from the oil outlet pipe 11 is transported through a plurality of oil outlet branch pipes 23 and a plurality of second heat exchange pipes 52, and then converged to the oil collecting pipe 7 through a plurality of oil guiding branch pipes 24 and then discharged, realizing split transportation of the raw materials, the heavy gasoline and the carbon five, and the split carbon five and heavy gasoline in different communicating cavities 3 are heated with the raw materials in the communicating cavities 3 through the first heat exchange pipes 51 and the second heat exchange pipes 52, thereby increasing the heat exchange area and improving the heat exchange efficiency, fully preheating the raw materials, and saving energy consumption, wherein, different communicating cavities 3 can be switched according to the valve control of each pipe, the installation cover 5, the first heat exchange pipe 51 and the second heat exchange pipe 52 at the idle communicating cavity 3 can be easily removed, cleaned and replaced, thereby maintaining the heat exchange effect.

[0034] Specifically, the communicating cavity 3 is provided with an annular table 8 at the upper end, the installation cover 5 is detachably mounted on the annular table 8 and blocks the communicating cavity 3, one end of the discharge branch pipe 21, the material guiding branch pipe 22, the oil outlet branch pipe 23 and the oil guiding branch pipe 24 is embedded in the inside of the conveying annular table 8 and is provided with a vertical pipe 81 penetrating the upper end surface of the annular table 8, the installation cover 5 is provided with four installation grooves 53, and the four installation grooves 53 are respectively sleeved with the four vertical pipes 81.

[0035] When the mounting cover 5 is installed on the annular platform 8, the vertical pipe 81 and the mounting cover 5 are connected by the structure of the mounting groove 53. The mounting cover 5 blocks the opening in the middle of the annular platform 8, that is, the mounting cover 5 blocks the upper end of the connecting cavity 3, so that the material in the connecting cavity 3 can only be transported along the discharge branch pipe 21 and the guide branch pipe 22, to prevent the raw material from overflowing and to ensure the normal operation of the heat exchange.

[0036] Example 2:

[0037] Reference Figures 1 to 7 In conjunction with the technical solution of Embodiment 1, in this embodiment, both ends of the first heat exchange tube 51 and both ends of the second heat exchange tube 52 are connected to a connecting tube 9. The mounting cover 5 is provided with four mounting holes 54 and four channels 55. The four mounting holes 54 are respectively connected to four mounting grooves 53 through the four channels 55. The four connecting tubes 9 are respectively inserted into the four mounting holes 54. The top end of the connecting tube 9 extends out of the mounting hole 54 and is provided with an external thread 91. A threaded cap 92 is threadedly connected at the external thread 91. The threaded cap 92 abuts against the top of the mounting cover 5. A sealing ring 93 is provided on the outer side of the bottom of the connecting tube 9, which abuts against the bottom of the mounting cover 5. A through hole 94 is provided on the side of the connecting tube 9.

[0038] The connecting pipes 9 on the first heat exchange tube 51 and the second heat exchange tube 52 are respectively inserted into the mounting holes 54 on the corresponding mounting cover 5, and the first heat exchange tube 51 and the second heat exchange tube 52 are tightened onto the mounting cover 5 by using the threaded cap 92 to engage with the external thread 91 on the connecting pipe 9. This achieves the detachable installation of the first heat exchange tube 51 and the second heat exchange tube 52 on the mounting cover 5, which facilitates cleaning and replacement as needed. The connecting pipes 9 at both ends of the first heat exchange tube 51 pass through the corresponding through holes 94, mounting holes 54, channels 55, mounting grooves 53 and vertical pipes, respectively. 81 is connected to the discharge branch pipe 21 and the guide branch pipe 22 respectively, so that C5 can be diverted into different first heat exchange pipes 51 and then converged and transported after passing through the first heat exchange pipes 51. The connecting pipes 9 at both ends of the second heat exchange pipe 52 are connected to the oil discharge branch pipe 23 and the oil guide branch pipe 24 respectively through the corresponding through holes 94, mounting holes 54, channels 55, mounting grooves 53 and vertical pipes 81, so that heavy gasoline can be diverted into different second heat exchange pipes 52 and then converged and transported after passing through the second heat exchange pipes 52, which is conducive to the normal operation of the diversion heat exchange work.

[0039] Specifically, the annular platform 8 is provided with several threaded holes 82, and bolts 83 are provided for threaded connection at the threaded holes 82. The mounting cover 5 is provided with several through holes 59 for the bolts 83 to pass through.

[0040] The screw rod portion on the bolt 83 is threaded through the perforation 59 on the mounting cover 5 and is screwed with the threaded hole 82 on the annular table 8, and after the bolt 83 is tightened, the head of the bolt 83 abuts against the top of the mounting cover 5, that is, the mounting cover 5 and the annular table 8 are detachably mounted by using the bolt 83 connection mode, so that the mounting cover 5 can be removed as needed to clean the communication cavity 3, the first heat exchange pipe 51 and the second heat exchange pipe 52.

[0041] Specifically, the vertical pipe 81 is provided with a conical table 811 outside, and the mounting groove 53 is provided with an abutment surface 531 abutting against the conical table 811.

[0042] Through the close fit of the conical table 811 outside the vertical pipe 81 and the abutment surface 531 at the mounting groove 53, the sealing area of the vertical pipe 81 and the mounting groove 53 is increased, and the sealing performance at this position is improved, which can effectively prevent the separated carbon five and heavy gasoline from flowing into the communication cavity 3, and is beneficial to the normal operation of heat exchange work.

[0043] Specifically, the mounting cover 5 is provided with an annular groove 56, and a rubber ring 57 is sleeved at the annular groove 56, and the outer ring of the rubber ring 57 is a conical surface, and the annular table 8 is provided with a fitting surface 84 abutting against the conical surface.

[0044] Through the rubber ring 57 with a conical surface structure, the sealing performance between the annular table 8 and the mounting cover 5 is improved, which can effectively prevent the raw materials in the communication cavity 3 from mixing with the separated carbon five and heavy gasoline, and is beneficial to the normal operation of heat exchange work.

[0045] Embodiment 3:

[0046] Referring to Figures 1 to 7 , in combination with the technical solutions of Embodiment 1 and Embodiment 2, in this embodiment, the mounting cover 5 is provided with a handle 58. The mounting cover 5 removed is conveniently carried through the handle 58.

[0047] Specifically, the communication cavity 3 is provided with a blowdown pipe 33 with valve control at the bottom. When it is necessary to clean a certain communication cavity 3, the valve at the blowdown pipe 33 is opened to discharge the raw materials in the communication cavity 3, which facilitates the normal operation of disassembly and cleaning work.

[0048] Specifically, the first heat exchange pipe 51 and the second heat exchange pipe 52 are both W-shaped pipes.

[0049] The W-shaped pipe structure can increase the flow distance of the separated carbon five and heavy gasoline in the first heat exchange pipe 51 and the second heat exchange pipe 52, so as to improve the heat exchange effect. In other embodiments, the first heat exchange pipe 51 and the second heat exchange pipe 52 can adopt U-shaped pipes or other winding and tortuous pipe types to improve the heat exchange effect.

[0050] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any person skilled in the art, without departing from the technical scheme of the present application, can make many possible changes and modifications to the technical scheme of the present application by using the above technical content, or modify it into equivalent embodiments with equivalent changes. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technical content of the present application, without departing from the technical scheme of the present application, all belong to the protection scope of the present technical scheme.

Claims

1. An apparatus for separating carbon five and heavy gasoline, characterized by, The utility model relates to a device for separating carbon five and heavy gasoline, including: Tower body, the tower body bottom is provided with electric heater, the tower body is successively communicated with the oil outlet pipe with valve control, feed pipe and discharge pipe from bottom to top with valve control; Box body, a plurality of communication chambers are arranged on the box body, each communication chamber is successively communicated with the feed branch pipe and the feed branch pipe with valve control from bottom to top, a plurality of feed branch pipes are communicated with the feed pipe, a plurality of feed branch pipes are communicated with the feed pipe, and a pump body is arranged on the feed pipe; Mounting cover, the mounting cover is detachably arranged on each communication chamber, the mounting cover is detachably provided with first heat exchange pipe and second heat exchange pipe, the upper end of the box body is provided with discharge branch pipe, guide branch pipe, oil outlet branch pipe and guide oil outlet branch pipe with valve control, the discharge branch pipe and the guide branch pipe are used for being communicated with the two ends of the first heat exchange pipe respectively, the oil outlet branch pipe and the guide oil outlet branch pipe are used for being communicated with the two ends of the second heat exchange pipe respectively, a plurality of discharge branch pipes are communicated with the discharge pipe, a plurality of oil outlet branch pipes are communicated with the oil outlet pipe, a plurality of guide branch pipes are communicated with the material collecting pipe, and a plurality of guide oil outlet branch pipes are communicated with the oil collecting pipe.

2. The device for separating carbon five and heavy gasoline according to claim 1, wherein: The upper end of the communication chamber is provided with an annular table, the mounting cover is detachably mounted on the annular table and blocks the communication chamber, one end of the discharge branch pipe, the guide branch pipe, the oil outlet branch pipe and the guide oil outlet branch pipe is communicated with a vertical pipe penetrating the annular table, the mounting cover is provided with four mounting grooves, and the four mounting grooves are respectively sleeved with the four vertical pipes.

3. The device for separating carbon five and heavy gasoline according to claim 2, wherein: The two ends of the first heat exchange pipe and the two ends of the second heat exchange pipe are communicated with a connecting pipe, the mounting cover is provided with four mounting holes and four channels, the four mounting holes are communicated with the four mounting grooves through the four channels respectively, the four connecting pipes are respectively inserted into the four mounting holes, the top end of the connecting pipe protrudes from the mounting hole and is provided with external threads, the external threads are threadedly connected with a threaded cover, the threaded cover abuts against the top of the mounting cover, the outer side of the bottom of the connecting pipe is provided with a sealing ring abutting against the bottom of the mounting cover, and the side of the connecting pipe is provided with a through hole.

4. The device for separating carbon five and heavy gasoline according to claim 2, wherein: The annular table is provided with a plurality of threaded holes, the threaded holes are threadedly connected with bolts, and the mounting cover is provided with a plurality of through holes for the bolts to pass through.

5. The device for separating carbon five and heavy gasoline according to claim 2, wherein: The outer side of the vertical pipe is provided with a conical table, and the mounting groove is provided with an abutting surface closely contacting the conical table.

6. The device for separating carbon five and heavy gasoline according to claim 2, wherein: The mounting cover is provided with an annular groove, a rubber ring is sleeved on the annular groove, an outer ring of the rubber ring is a conical surface, and the annular table is provided with a fitting surface fitted with the conical surface.

7. The device for separating carbon five and heavy gasoline according to claim 1, wherein: The mounting cover is provided with a handle.

8. The device for separating carbon five and heavy gasoline according to claim 1, wherein: The bottom of the communication cavity is provided with a blow-off pipe with valve control.

9. The device for separating carbon five and heavy gasoline according to claim 1, wherein: The first heat exchange pipe and the second heat exchange pipe are W-shaped pipes.

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