CN215003083U - Sufficient heat exchange structure of prefractionator for tar hydrogenation - Google Patents
Sufficient heat exchange structure of prefractionator for tar hydrogenation Download PDFInfo
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- CN215003083U CN215003083U CN202121270744.7U CN202121270744U CN215003083U CN 215003083 U CN215003083 U CN 215003083U CN 202121270744 U CN202121270744 U CN 202121270744U CN 215003083 U CN215003083 U CN 215003083U
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Abstract
The utility model discloses a sufficient heat transfer structure of fractionating tower in advance is used in tar hydrogenation, and the sufficient heat transfer structure of fractionating tower in advance is used in tar hydrogenation, go into pipe and heat exchange tube including heat transfer jar, heat medium, the heat medium is gone into the pipe embedding and is installed heat transfer jar outer wall one side, the even embedding of heat exchange tube is installed inside the heat transfer jar, the heat exchange tube with support through the semicircle splint between the heat transfer jar inner wall and connect, the semicircle splint is inside to be close to heat transfer jar inner wall embedding is installed descaling mechanism, descaling mechanism includes the piston rod, scrapes arm, tooth piece, supporting spring and roll snap ring. The utility model discloses through the impact of cooling water to the piston rod in semicircle splint department, support through supporting spring to scraping the support that resets of arm, can strike off adnexed dirt after the long-time heat transfer of heat exchange tank inner wall by the tine of scraping arm department, it is difficult to the clearance to have solved heat exchange tank inner wall dirt deposit, leads to the inside easy emergence of heat exchange tube to block up, influences equipment heat exchange efficiency's problem.
Description
The technical field is as follows:
the utility model relates to a tar hydrogenation equipment technical field specifically is sufficient heat transfer structure of prefractionator for tar hydrogenation.
Background art:
vacuum residua from their refiners have typically been sold as high sulfur fuel oils, with the vacuum residua being blended to form low sulfur fuel oils, or the vacuum residua being converted to vacuum gas oils or lighter distillates using residua hydrocracking or delayed coking, or in some cases, being desulfurized into oils suitable for incorporation into a residua FCC unit. Alternatively, the vacuum resid can be sent to a resid hydrocracking unit to convert the vacuum resid to vacuum gas oil and other light fractions, which can be sent for further upgrading in a distillate hydrotreating unit or a distillate hydrocracking unit. Alternatively, the vacuum residue can be sent to a sulfur deasphalting unit to recover deasphalted oil fraction, the asphalt fraction can be blended with high-sulfur fuel oil or low-sulfur fuel oil, or can be used as road asphalt, the tar hydrogenation process flow mainly comprises three parts of dehydration of coal tar and fractionation, hydrofining and product fractionation, wherein a full heat exchange structure of a prefractionator is one of important devices in the tar hydrogenation process.
However, the existing full heat exchange structure of the pre-fractionating tower for tar hydrogenation has the problems that the attached dirt on the inner wall of the heat exchange tank cannot be scraped, the dirt deposition is difficult to clean, the inside of a heat exchange tube is easy to block, and the heat exchange efficiency of equipment is influenced.
The utility model has the following contents:
an object of the utility model is to provide a sufficient heat transfer structure of fractionating tower in advance is used in tar hydrogenation to there is the attached dirt of heat transfer jar inner wall to strike off in the abundant heat transfer structure of fractionating tower in advance for solving current tar hydrogenation when using, and the dirt deposit is difficult to the clearance, leads to the inside easy emergence of heat exchange tube to block up, influences equipment heat exchange efficiency's problem.
The utility model discloses by following technical scheme implement: the full heat exchange structure of the prefractionator for tar hydrogenation comprises a heat exchange tank, a heat medium inlet pipe and a heat exchange pipe, wherein the heat medium inlet pipe is embedded and installed on one side of the outer wall of the heat exchange tank, the heat exchange pipe is uniformly embedded and installed in the heat exchange tank, the heat exchange pipe is supported and connected with the inner wall of the heat exchange tank through a semicircular clamping plate, a descaling mechanism is embedded and installed in the semicircular clamping plate and close to the inner wall of the heat exchange tank, and the descaling mechanism is used for removing dirt attached to the surfaces of the inner wall of the heat exchange tank and the outer wall of the heat exchange pipe;
descaling mechanism includes the piston rod, scrapes arm, tooth piece, supporting spring and roll snap ring, the piston rod runs through the embedding and installs the inside border position department of semicircle splint, it establishes to scrape the arm movable sleeve the piston rod outer wall both sides tip, the even welding of tooth piece is in scrape arm outer wall surface, the supporting spring cover is established scrape arm bottom surface with between the semicircle splint outer wall surface, the heat medium go into tub bottom with fixed joint installs sealed partition between the heat exchange jar inner wall, the roll snap ring cover establish install sealed partition outer wall with between the heat exchange jar inner wall.
Preferably, a heating medium outlet pipe is embedded in the other side of the outer wall of the heat exchange tank, a cooling medium inlet pipe is embedded in the top of one side of the outer wall of the heat exchange tank, and a cooling medium outlet pipe is embedded in the bottom of one side of the outer wall of the heat exchange tank.
As preferred, the outside of tubes portion is provided with actuating mechanism to the heat medium, actuating mechanism is used for driving the heat medium is gone into the pipe and is rotated, actuating mechanism includes athey wheel, transmission track, drive wheel, driving motor and bearing snap ring, the fixed cover of athey wheel is established the heat medium is gone into tub bottom outer wall, driving motor installs outside one side is gone into to the heat medium, the drive wheel cover is established driving motor output shaft outer wall, the transmission track cover is established the athey wheel with between the drive wheel outer wall, the bearing snap ring embedding is in the heat medium is gone into tub bottom outer wall with between the heat transfer jar end inner wall.
Preferably, the bearing clamping ring is fixedly connected with the inner wall of the end part of the heat exchange tank through a bolt, and a nitrile rubber oil seal is sleeved at the position, close to the inner wall of the heat exchange tank, of the bearing clamping ring.
Preferably, the two sides of the bottom of the heat exchange tank are welded with fixing supports, and a drain pipe is embedded into one side of the bottom of the heat exchange tank, which is close to the fixing supports.
Preferably, the inner wall and the outer wall of the heat exchange tank are both electroplated with heat insulation paint, and the heat exchange pipe is made of stainless steel and is thicker than thirty millimeters.
Preferably, a bearing ring is sleeved at the joint of the inner wall of the heat medium inlet pipe, and flange cover plates are mounted at the end parts of two sides of the outer wall of the heat exchange tank in a clamping mode.
The utility model has the advantages that:
1. the utility model discloses be provided with scale removal mechanism, distillate after the tar hydrogenation is gone into the pipe through the heat medium and is got into to the inside heat exchange tube of heat transfer jar in, cooling water is gone into the pipe through the refrigerant and is got into to the inside cooling to the distillate heat transfer of heat transfer jar, the cooperation is rolled the snap ring and is gone into pipe and seal baffle and rotate inside the heat transfer jar, and through the impact of cooling water to the piston rod in semicircle splint department, support through supporting spring to the restoration of scraping the arm, can strike off adnexed dirt after the long-time heat transfer of heat transfer jar inner wall by the tine of scraping arm department, it is difficult to the clearance to have solved heat transfer jar inner wall dirt deposit, lead to the inside easy emergence of heat exchange tube to block up, influence equipment heat exchange efficiency's problem, the conversion technology benefit of tar has been improved, be favorable to realizing energy-concerving and environment-protective target.
2. The utility model discloses be provided with actuating mechanism, drive the athey wheel through driving motor and drive wheel cooperation transmission track and rotate, go into the roll support between pipe and the heat transfer jar inner wall at the bearing snap ring to the heat medium, for semicircle splint and heat exchange tube are whole to provide the power supply in the inside rotation of heat transfer jar, have reduced the installation of scraping arm quantity and have used, have guaranteed stability and the reliability that descaling mechanism during operation used.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the device of the present invention;
FIG. 2 is a schematic structural view of the cross section of the inside of the heat exchange tank of the present invention;
FIG. 3 is a schematic view of the descaling mechanism of FIG. 2 according to the present invention;
fig. 4 is a schematic structural diagram of the driving mechanism of fig. 2 according to the present invention.
In the figure: 1. a heat exchange tank; 2. a heat medium inlet pipe; 3. a heating medium outlet pipe; 4. a refrigerant inlet pipe; 5. a refrigerant outlet pipe; 6. a semicircular clamping plate; 7. a heat exchange pipe; 8. a descaling mechanism; 801. a piston rod; 802. a scraping arm; 803. a tooth sheet; 804. a support spring; 805. a rolling snap ring; 9. a drive mechanism; 901. a crawler wheel; 902. a drive track; 903. a drive wheel; 904. a drive motor; 905. a bearing snap ring; 10. fixing a bracket; 11. a blow-off pipe; 12. the separator is sealed.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to FIGS. 1-4: the full heat exchange structure of the pre-fractionating tower for tar hydrogenation comprises a heat exchange tank 1, a heat medium inlet pipe 2 and a heat exchange pipe 7, wherein the heat medium inlet pipe 2 is embedded in one side of the outer wall of the heat exchange tank 1, the heat exchange pipe 7 is uniformly embedded in the heat exchange tank 1, the heat exchange pipe 7 is in supporting connection with the inner wall of the heat exchange tank 1 through a semicircular clamping plate 6, and a descaling mechanism 8 is embedded in the semicircular clamping plate 6 and close to the inner wall of the heat exchange tank 1; the descaling mechanism 8 comprises a piston rod 801, a scraping arm 802, a tooth piece 803, a supporting spring 804 and a rolling snap ring 805, the piston rod 801 is inserted and installed at the edge position inside the semicircular clamping plate 6, the scraping arm 802 is movably sleeved at the end part of the two sides of the outer wall of the piston rod 801, the tooth piece 803 is uniformly welded on the outer wall surface of the scraping arm 802, the supporting spring 804 is sleeved between the bottom surface of the scraping arm 802 and the outer wall surface of the semicircular clamping plate 6, a sealing partition plate 12 is fixedly clamped and installed between the bottom of a heat medium inlet pipe 2 and the inner wall of the heat exchange tank 1, the rolling snap ring 805 is sleeved and installed between the outer wall of the sealing partition plate 12 and the inner wall of the heat exchange tank 1, a heat medium outlet pipe 3 is inserted and installed at the other side of the outer wall of the heat exchange tank 1, a refrigerant inlet pipe 4 is inserted and installed at the top of one side of the outer wall of the heat exchange tank 1, a refrigerant outlet pipe 5 is inserted and installed at the bottom of one side of the outer wall of the heat exchange tank 1, distillate after tar hydrogenation enters the heat exchange tank 1 through the heat medium inlet pipe 2, cooling water enters into the heat exchange tank 1 through the refrigerant and is cooled down to the distillate heat exchange inside pipe 4, cooperation roll snap ring 805 is gone into pipe 2 and sealed partition plate 12 to the heat medium and is rotated in heat exchange tank 1 inside, and through the impact of cooling water to piston rod 801 in semicircle splint 6 department, support spring 804 is to scraping the support that resets of arm 802, the adnexed dirt after the long-time heat transfer of the inner wall of heat exchange tank 1 can be scraped to tooth piece 803 of scraping arm 802 department, it is difficult to clear up to have solved heat exchange tank 1 inner wall dirt deposit, lead to taking place easily to block up inside the heat exchange tube 7, influence the problem of equipment heat exchange efficiency, the conversion technology benefit of tar has been improved, be favorable to realizing the target of energy-concerving and environment-protective.
The exterior of the heat medium inlet pipe 2 is provided with a driving mechanism 9, the driving mechanism 9 comprises a crawler wheel 901, a transmission crawler 902, a driving wheel 903, a driving motor 904 and a bearing snap ring 905, the crawler wheel 901 is fixedly sleeved on the outer wall of the bottom of the heat medium inlet pipe 2, the driving motor 904 is arranged on one side of the exterior of the heat medium inlet pipe 2, the driving wheel 903 is sleeved on the outer wall of an output shaft of the driving motor 904, the transmission crawler 902 is sleeved between the crawler wheel 901 and the outer wall of the driving wheel 903, the bearing snap ring 905 is embedded between the outer wall of the bottom of the heat medium inlet pipe 2 and the inner wall of the end part of the heat exchange tank 1, and the crawler 902 is matched by the driving motor 904 and the driving wheel 903 to drive the crawler wheel 901 to rotate, the bearing snap ring 905 supports the heat medium inlet pipe 2 and the inner wall of the heat exchange tank 1 in a rolling manner, so that a power source is provided for the semicircular clamping plate 6 and the heat exchange pipe 7 to integrally rotate in the heat exchange tank 1, the number of the scraping arms 802 is reduced, and the stability and the reliability of the descaling mechanism 8 during working are ensured.
In order to ensure the firmness of the bearing snap ring 905 in the installation of the heat exchange tank 1 and the sealing performance of the bearing snap ring 905, the bearing snap ring 905 is fixedly connected with the inner wall of the end part of the heat exchange tank 1 through a bolt, and a nitrile rubber oil seal is sleeved at the position, close to the inner wall of the heat exchange tank 1, of the bearing snap ring 905.
The fixed support 10 is installed in the welding of 1 bottom both sides of heat transfer jar, and the drain pipe 11 is installed in the embedding of 1 bottom of heat transfer jar near fixed support 10 one side, can support fixedly to 1 whole of heat transfer jar through fixed support 10, and the coolant liquid of the inside residual of heat transfer jar 1 can be discharged to cooperation drain pipe 11.
In order to avoid the outside heat dissipation of 1 inside heat of heat transfer jar, improve the heat conduction heat exchange efficiency of heat exchange tube 7 and improve the corrosion resisting property of device simultaneously, 1 inside and outside wall of heat transfer jar has all been electroplated with thermal-insulated lacquer, heat exchange tube 7 is made for stainless steel, thickness is greater than thirty millimeters, go into the fastness and the leakproofness of being connected between pipe 2 and the outside tar hydrogenation retort in order to improve the heat medium, the heat medium goes into 2 inner wall junction covers of pipe and is equipped with the bearing ring, the equal joint of 1 outer wall both sides tip of heat transfer jar is installed the flange apron.
The utility model discloses when using, drive motor 904 and drive wheel 903 cooperation transmission track 902 drive athey wheel 901 and rotate, the bearing snap ring 905 is to the heat medium income between pipe 2 and the 1 inner wall of heat transfer jar roll support, for semicircle splint 6 and heat exchange tube 7 are whole to provide the power supply in the inside rotation of heat transfer jar 1, then, distillate after the tar hydrogenation gets into to the inside heat exchange tube 7 of heat transfer jar 1 through heat medium income pipe 2, cooling water gets into to the heat transfer jar 1 inside through refrigerant income pipe 4 and cools off the heat transfer of distillate, cooperation roll snap ring 805 is gone into pipe 2 and seal spacer 12 to the heat medium and is rotated in the heat transfer jar 1 inside, and through the impact of cooling water to piston rod 801 in semicircle splint 6 department, support through the restoration support of supporting spring 804 to scraping arm 802, by scraping the tine 803 of arm 802 department can scrape adnexed dirt after the long-time heat transfer of heat transfer jar 1 inner wall.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The full heat exchange structure of the pre-fractionating tower for tar hydrogenation comprises a heat exchange tank (1), a heat medium inlet pipe (2) and a heat exchange pipe (7), wherein the heat medium inlet pipe (2) is embedded in one side of the outer wall of the heat exchange tank (1), and the heat exchange pipe (7) is uniformly embedded in the heat exchange tank (1), and is characterized in that the heat exchange pipe (7) is in supporting connection with the inner wall of the heat exchange tank (1) through a semicircular clamping plate (6), a descaling mechanism (8) is embedded in the semicircular clamping plate (6) close to the inner wall of the heat exchange tank (1), and the descaling mechanism (8) is used for removing dirt attached to the surfaces of the inner wall of the heat exchange tank (1) and the outer wall of the heat exchange pipe (7);
descaling mechanism (8) include piston rod (801), scrape arm (802), tooth piece (803), supporting spring (804) and roll snap ring (805), piston rod (801) run through the embedding and install semicircle splint (6) inside edge position department, scrape arm (802) activity cover and establish piston rod (801) outer wall both sides tip, tooth piece (803) evenly weld scrape arm (802) outer wall surface, supporting spring (804) cover is established scrape arm (802) bottom surface with between semicircle splint (6) outer wall surface, heat medium go into pipe (2) bottom with fixed joint installs sealed partition plate (12) between heat exchange jar (1) the inner wall, snap ring roll (805) cover establish install sealed partition plate (12) outer wall with between heat exchange jar (1) the inner wall.
2. The adequate heat exchange structure of the prefractionator for tar hydrogenation according to claim 1, characterized in that: the heat exchange tank is characterized in that a heat medium outlet pipe (3) is embedded in the other side of the outer wall of the heat exchange tank (1), a refrigerant inlet pipe (4) is embedded in the top of one side of the outer wall of the heat exchange tank (1), and a refrigerant outlet pipe (5) is embedded in the bottom of one side of the outer wall of the heat exchange tank (1).
3. The adequate heat exchange structure of the prefractionator for tar hydrogenation according to claim 1, characterized in that: the utility model discloses a heat exchange pot, including heat medium inlet pipe (2), drive mechanism (9), actuating mechanism (9) are used for driving heat medium inlet pipe (2) rotate, actuating mechanism (9) include athey wheel (901), driving track (902), drive wheel (903), driving motor (904) and bearing snap ring (905), the fixed cover of athey wheel (901) is established heat medium inlet pipe (2) bottom outer wall, driving motor (904) are installed heat medium inlet pipe (2) outside one side, driving wheel (903) cover is established driving motor (904) output shaft outer wall, driving track (902) cover is established athey wheel (901) with between drive wheel (903) outer wall, bearing snap ring (905) embedding heat medium inlet pipe (2) bottom outer wall with between the heat exchange pot (1) tip inner wall.
4. The adequate heat exchange structure of the prefractionator for tar hydrogenation according to claim 3, characterized in that: bearing snap ring (905) with through bolt fixed connection between heat transfer jar (1) tip inner wall, just bearing snap ring (905) is close to heat transfer jar (1) inner wall position department cover is equipped with the nitrile rubber oil blanket.
5. The adequate heat exchange structure of the prefractionator for tar hydrogenation according to claim 4, characterized in that: the heat exchange tank is characterized in that two sides of the bottom of the heat exchange tank (1) are welded with fixing supports (10), and a drain pipe (11) is embedded into one side of each fixing support (10) and is close to the bottom of the heat exchange tank (1).
6. The adequate heat exchange structure of the prefractionator for tar hydrogenation according to claim 1, characterized in that: the inner wall and the outer wall of the heat exchange tank (1) are both electroplated with heat insulation paint, and the heat exchange tubes (7) are made of stainless steel materials and have the thickness of more than thirty millimeters.
7. The adequate heat exchange structure of the prefractionator for tar hydrogenation according to claim 1, characterized in that: the heat medium inlet pipe (2) is characterized in that a bearing ring is sleeved at the joint of the inner walls of the heat medium inlet pipe and the heat exchange tank (1), and flange cover plates are mounted at the end parts of the two sides of the outer wall of the heat exchange tank in a clamped mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121270744.7U CN215003083U (en) | 2021-06-07 | 2021-06-07 | Sufficient heat exchange structure of prefractionator for tar hydrogenation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121270744.7U CN215003083U (en) | 2021-06-07 | 2021-06-07 | Sufficient heat exchange structure of prefractionator for tar hydrogenation |
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| CN215003083U true CN215003083U (en) | 2021-12-03 |
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| CN202121270744.7U Active CN215003083U (en) | 2021-06-07 | 2021-06-07 | Sufficient heat exchange structure of prefractionator for tar hydrogenation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993101A (en) * | 2022-04-20 | 2022-09-02 | 广东港荣水务科技有限公司 | Online scale removal device of evaporimeter |
-
2021
- 2021-06-07 CN CN202121270744.7U patent/CN215003083U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993101A (en) * | 2022-04-20 | 2022-09-02 | 广东港荣水务科技有限公司 | Online scale removal device of evaporimeter |
| CN114993101B (en) * | 2022-04-20 | 2023-08-11 | 广东港荣水务科技有限公司 | Online descaling device of evaporator |
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