CN113528177A

CN113528177A - Distillation tower equipment based on coal-made PAO base oil distillation treatment stage

Info

Publication number: CN113528177A
Application number: CN202110846377.9A
Authority: CN
Inventors: 张晓军; 张力; 任波; 李联; 王杰; 栗鑫; 马龙
Original assignee: Shanxi Lu'an Taihang Lubricating Oil Co ltd
Current assignee: Shanxi Lu'an Taihang Lubricating Oil Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-10-22

Abstract

The invention discloses distillation tower equipment based on a coal-made PAO base oil distillation treatment stage, which relates to the technical field of coal-made oil, and comprises a distillation tower main body, wherein a stirring mechanism is arranged at the inner bottom of the distillation tower main body, a supporting machine base is arranged at the bottom of the distillation tower main body, a connecting mechanism is arranged on the outer wall of the distillation tower main body, one end of the connecting mechanism is provided with a connecting pipe, a distillation material is led into the distillation tower main body through a feeding hole, steam is led in through a steam inlet, a stirring motor drives a scraper stirring blade and a grab rod stirring blade to stir the led-in material through a driving shaft, the contact area between the stirring blade and heat is enlarged, the distillation effect is improved, meanwhile, a heater drives a heating sheet to operate, so as to heat the outer wall of the bottom of the distillation tower main body, and heats and distills the internally stirred material through conduction of the heating sheet, thereby effectively improving the distillation efficiency, improving the distillation effect and enhancing the usability of the device.

Description

Distillation tower equipment based on coal-made PAO base oil distillation treatment stage

Technical Field

The invention relates to the technical field of coal-to-liquid, in particular to distillation tower equipment based on a coal-to-liquid PAO base oil distillation treatment stage.

Background

The direct coal liquefaction is to directly liquefy coal under high temperature and high pressure by catalytic hydrogenation to synthesize liquid hydrocarbon fuel, and remove atoms such as sulfur, nitrogen, oxygen and the like; the poly-alpha-olefin (PAO) is one of the base oils synthesized from coal-to-liquids, and is prepared by polymerizing ethylene to obtain alpha-olefin, and further polymerizing and hydrogenating the alpha-olefin. It is the most common synthetic lubricating oil base oil, has the widest application range, and the polyalphaolefin synthetic oil (PAO for short) has good viscosity-temperature performance and low-temperature fluidity, so that it is an ideal base oil for preparing high-grade and special lubricating oil.

The coal-based PAO base oil is prepared by distilling and extracting the coal-based oil, but the existing distillation tower is limited in distillation effect due to the fact that the existing distillation tower is used, the distillation tower is slow in injection and poor in effect due to the fact that the existing distillation tower is used, the distillation efficiency of the existing distillation tower is reduced due to the fact that the existing distillation tower is used fixedly, the distillation tower is poor in cooling effect of a distillation product after distillation is completed, a large amount of cooling agent is used during cooling, cost is high, waste of the cooling agent is serious, environmental friendliness is poor, and the high distillation tower is inconvenient to assemble and connect when in use and prone to cause connection of the connection part to be not firm, and the sealing effect of distillation is affected.

Disclosure of Invention

The invention provides distillation tower equipment based on a coal-based PAO base oil distillation treatment stage, which has the advantages of high distillation efficiency, good cooling effect, energy conservation, environmental protection and convenience in assembly and connection, and solves the problems that a common distillation tower does not have the advantages of high distillation efficiency, good cooling effect, energy conservation, environmental protection and convenience in assembly and connection.

In order to realize the purposes of high distillation efficiency, good cooling effect, energy conservation, environmental protection and convenient assembly and connection, the invention provides the following technical scheme: a distillation tower device based on a coal-made PAO base oil distillation treatment stage comprises a distillation tower main body, wherein a stirring mechanism is arranged at the inner bottom of the distillation tower main body, a supporting machine base is arranged at the bottom of the distillation tower main body, a connecting mechanism is arranged on the outer wall of the distillation tower main body, a connecting pipe is arranged at one end of the connecting mechanism, a cooling bin is arranged on one side of the distillation tower main body, and a cooling liquid tank is arranged on one side of the bottom of the cooling bin;

the utility model discloses a distillation column, including distillation column main part, feed inlet, steam inlet and interface, the diapire outer wall of distillation column main part is provided with the heater, the output electric connection of heater has the heating plate, feed inlet, steam inlet and interface have been seted up respectively to the outer wall of distillation column main part, the outer wall of distillation column main part is provided with the back flow through coupling mechanism, the inner wall of distillation column main part is provided with the filtering layer, the top of filtering layer is provided with the packing layer, the top of packing layer is provided with the backward flow cover, the inner wall of distillation column main part is provided with the not layer of being stained with of special fluorine dragon, the outer wall of distillation column main part is provided with thermal-insulated heat preservation, steam outlet has been seted up at the top of distillation column main part, the one end of back flow is provided with liquid distributor.

As a preferable technical scheme of the invention, the bottom of the cooling bin is provided with a cooling box, the front surface of the cooling box is provided with a lead-out valve, and the input end of the lead-out valve is provided with a guide pipe.

As a preferable technical scheme of the invention, the inner wall of the cooling bin is provided with an annular cooling pipe, one end of the annular cooling pipe is provided with a cooling pipe, and one end of the cooling pipe is provided with a circulating pump.

As a preferred technical scheme of the present invention, the outer wall of the cooling bin is provided with connectors in different numbers, the inner walls of the connectors in different numbers are provided with flow guide pipes, and the top of the cooling bin is provided with a steam interface.

As a preferable technical scheme of the invention, one end of the connecting mechanism is provided with a connecting flange, and the port side of the connecting flange is provided with a spiral clamping bolt.

As a preferable technical scheme of the invention, the outer wall of one end of the connecting mechanism, which is far away from the connecting flange, is provided with a thread groove, a connecting inner pipe is arranged inside the connecting mechanism, the connecting part of the connecting inner pipe and the connecting mechanism is provided with a clamping groove, and the connecting mechanism is in threaded connection with the distillation tower main body through the thread groove.

As a preferable technical scheme of the invention, a stirring motor is arranged at the bottom of the stirring mechanism, a driving shaft is arranged at the output end of the stirring motor, and a scraper stirring blade and a grab bar stirring blade are respectively arranged on the outer wall of the driving shaft.

As a preferred technical scheme of the invention, the shape and size of the connecting pipe are matched with the shape and size of the clamping groove, and the connecting pipe is movably inserted and arranged in the clamping groove.

In a preferred embodiment of the present invention, the connecting mechanism has a shape and a size that are respectively matched with the shape and the size of the port and the shape and the size of the connecting port, and is disposed on the inner walls of the port and the connecting port by a thread of a thread groove.

As a preferable technical scheme of the invention, one end of the cold liquid tank is embedded into one side of the cooling tank, one end of the cooling pipe is suspended above the embedded end of the cold liquid tank, and the input end of the circulating pump is movably connected with the inner bottom of the cold liquid tank through a connecting pipe.

Compared with the prior art, the invention provides distillation tower equipment based on a coal-based PAO base oil distillation treatment stage, which has the following beneficial effects:

1. this distillation column equipment based on coal system PAO base oil distillation treatment stage, through setting up the feed inlet, make its inside with distillation material leading-in distillation column main part, and lead-in steam through steam inlet, and then agitator motor moves scraper blade stirring leaf and grab bar stirring leaf through the drive shaft and stirs leading-in material, increase its and thermal area of contact, improve its distillation effect, heater drive heating plate operation simultaneously, with heat the bottom outer wall of distillation column main part, and heat the distillation through the material of its conduction to inside stirring, and then effectively improve its distillation efficiency, and promote its distillation effect, the usability of reinforcing means.

2. This distillation column equipment based on coal system PAO base oil distillation treatment stage, through setting up the interface, make it pass through the effect of coupling mechanism and connecting pipe, in the honeycomb duct of leading-in cooling bin of its distillation gained result, and then through the annular cooling tube that honeycomb duct outer wall was established, the distillation gained thing leading-in the honeycomb duct is encircleed and is progressively cooled off the temperature, the honeycomb duct of access is gone into according to different connectors simultaneously, divide the pipe setting to its different distillation products, avoid its interference, make it can carry out cooling operation simultaneously, effectively improve the availability factor of device, strengthen its result of use.

3. This distillation column equipment based on coal system PAO base oil distillation treatment stage, through setting up the circulating pump, make its cold liquid effectively take out the cold liquid in the cold liquid incasement, and carry out annular cooling through the leading-in annular cooling tube of cooling tube and use, simultaneously through the annular water conservancy diversion of annular cooling tube, in the leading-in cold liquid case of cold liquid after using it, carry out the back cooling operation, effectively ensure the stable use of cooling bin cooling effect, and reduce the extravagant loss to the cold liquid, and then improve the energy-conservation nature of device, and the feature of environmental protection of reinforcing device.

4. This distillation column equipment based on coal system PAO base oil distillation treatment stage through setting up flange, makes its effect through the spiral gim peg, effectively connects the equipment to the connecting pipe to through seting up of thread groove, just connect and install the outer wall at the distillation column main part with the coupling mechanism screw thread, coupling mechanism passes through the effect of draw-in groove simultaneously, can peg graft the connecting pipe, and then effective convenient the device's assembled joint, makes things convenient for the equipment of device to use.

5. This distillation column equipment based on coal system PAO base oil distillation treatment stage, through setting up the interface, make its nature according to the obtained result of different distillation material distillations, set up at the outer wall of distillation column main part co-altitude not, and through the setting of backward flow cover and packing layer, make it carry out fractional distillation, the distillation efficiency of reinforcing means, the effect through the back flow simultaneously, can distill the material repeatedly, so that strengthen the purity that its material distilled extraction, and effectively save its energy consumption, the energy-concerving and environment-protective nature of hoisting device, and then strengthen its practicality.

Drawings

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

FIG. 2 is a schematic view of the main structure of a distillation column according to the present invention;

FIG. 3 is a front cross-sectional view of a distillation column body of the present invention;

FIG. 4 is a schematic view of the cooling chamber of the present invention;

FIG. 5 is a front cross-sectional view of a cooling cartridge of the present invention;

FIG. 6 is a front cross-sectional view of the coupling mechanism of the present invention;

fig. 7 is a cross-sectional view taken at a in fig. 3 in accordance with the present invention.

In the figure: 1. a distillation column main body; 101. a feed inlet; 102. a steam inlet; 103. a return pipe; 104. a liquid distributor; 105. an interface; 106. a reflow hood; 107. a filler layer; 108. a filtering layer; 109. a heater; 110. a heating plate; 111. a steam outlet; 112. a Teflon non-stick layer; 113. a heat insulation layer; 2. a cooling bin; 201. a cooling tank; 202. a lead-out valve; 203. a connecting port; 204. a steam interface; 205. a circulation pump; 206. a cooling tube; 207. an annular cooling tube; 208. a flow guide pipe; 3. a liquid cooling tank; 4. a connecting mechanism; 401. a connecting flange; 402. a spiral clamping bolt; 403. connecting the inner pipes; 404. a card slot; 405. a thread groove; 5. supporting the machine base; 6. a stirring mechanism; 601. a stirring motor; 602. a drive shaft; 603. a scraper blade stirring blade; 604. a grab bar stirring blade; 7. and (4) connecting the pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the invention discloses a distillation tower device based on a coal-based PAO base oil distillation treatment stage, which comprises a distillation tower main body 1, wherein a stirring mechanism 6 is arranged at the inner bottom of the distillation tower main body 1, a support base 5 is arranged at the bottom of the distillation tower main body 1, a connecting mechanism 4 is arranged on the outer wall of the distillation tower main body 1, one end of the connecting mechanism 4 is provided with a connecting pipe 7, a cooling bin 2 is arranged at one side of the distillation tower main body 1, and a cooling liquid tank 3 is arranged at one side of the bottom of the cooling bin 2.

The utility model discloses a distillation column, including distillation column main body 1, feed inlet 101, steam inlet 102 and interface 105 have been seted up respectively to the diapire outer wall of distillation column main body 1, the output electric connection of heater 109 has heating plate 110, feed inlet 101, steam inlet 102 and interface 105 have been seted up respectively to the outer wall of distillation column main body 1, the outer wall of distillation column main body 1 is provided with back flow 103 through coupling mechanism 4, the inner wall of distillation column main body 1 is provided with filtering layer 108, filtering layer 108's top is provided with packing layer 107, the top of packing layer 107 is provided with backward flow cover 106, the inner wall of distillation column main body 1 is provided with the not stained with layer 112 of teflon, the outer wall of distillation column main body 1 is provided with thermal-insulated heat preservation 113, steam outlet 111 has been seted up at the top of distillation column main body 1, the one end of back flow 103 is provided with liquid distributor 104.

Specifically, the bottom of the cooling bin 2 is provided with a cooling box 201, the front face of the cooling box 201 is provided with a guide valve 202, and the input end of the guide valve 202 is provided with a guide pipe 208. The distillation product is conveniently led out and used after being cooled, the flow guide operation of the distillation product is facilitated through the flow guide pipe 208, and the usability of the distillation product is improved.

Specifically, the inner wall of the cooling bin 2 is provided with an annular cooling pipe 207, one end of the annular cooling pipe 207 is provided with a cooling pipe 206, and one end of the cooling pipe 206 is provided with a circulating pump 205. Make it effectively encircle the cooling to gained distillation product to through circulating pump 205's setting, make it to cold liquid circulated use, reduce its waste, and ensure its cooling effect, and then promote the practicality.

Specifically, the outer wall of the cooling bin 2 is provided with connectors 203 with different numbers, the inner walls of the connectors 203 with different numbers are provided with guide pipes 208, and the top of the cooling bin 2 is provided with a steam connector 204. Make its setting through connector 203, conveniently cool off a plurality of pipelines, strengthen its cooling effect to accommodate the processing through steam interface 204 to the distillation steam, avoid the material polluted environment in the distillation steam, ensure its feature of environmental protection.

Specifically, one end of the connection mechanism 4 is provided with a connection flange 401, and a spiral clamping bolt 402 is arranged on the port side of the connection flange 401. Make coupling mechanism 4 pass through flange 401, make it through the effect of spiral keeper 402, effectively connect the equipment to connecting pipe 7, and then convenient its coupling mechanism 4 is connected the device junction, makes things convenient for its maintenance to change.

Specifically, the outer wall of one end of the connecting mechanism 4, which is far away from the connecting flange 401, is provided with a thread groove 405, the connecting mechanism 4 is internally provided with a connecting inner pipe 403, a clamping groove 404 is formed at the joint of the connecting inner pipe 403 and the connecting mechanism 4, and the connecting mechanism 4 is in threaded connection with the distillation column main body 1 through the thread groove 405. Make it through seting up of thread groove 405, just connect and install coupling mechanism 4 screw thread at the outer wall of distillation column main part 1, coupling mechanism 4 passes through the effect of draw-in groove 404 simultaneously, and the joinable connecting pipe 7 that connects, and then effective convenient the device's assembled joint makes things convenient for the equipment of device to use.

Specifically, the bottom of the stirring mechanism 6 is provided with a stirring motor 601, the output end of the stirring motor 601 is provided with a driving shaft 602, and the outer wall of the driving shaft 602 is provided with a scraper stirring blade 603 and a grab bar stirring blade 604 respectively. The distillation tower can effectively stir the materials introduced into the distillation tower main body 1, increase the contact area of the materials and heat, and improve the distillation effect.

Specifically, the shape and size of the connecting pipe 7 are matched with the shape and size of the card slot 404, and the connecting pipe 7 is movably inserted into the card slot 404. The device is erected by using the connecting pipe 7 through the connecting mechanism 4, so that the assembly is convenient, the assembly time is saved, and the use cost is reduced.

Specifically, the shape and size of the connecting mechanism 4 are respectively matched with the shape and size of the interface 105 and the shape and size of the connecting port 203, and the connecting mechanism 4 is arranged on the inner walls of the interface 105 and the connecting port 203 through threads of the thread groove 405. The device is connected and arranged through the connecting mechanism 4, the convenient interface 105 and the pipeline of the connecting port 203 are installed, the output flow guide of the device is convenient to use, and the device is convenient to assemble and use.

Specifically, the one end embedding of cold liquid case 3 sets up the one side at cooler bin 201, the one end suspension of cooling tube 206 sets up in cold liquid case 3 embedding end top, the interior bottom swing joint of connecting pipe 7 and cold liquid case 3 is passed through to the input of circulating pump 205. Make cooling bin 2 when carrying out circulative cooling, through the setting of cold liquid case 3 embedding, guarantee cooling tube 206 discharges refrigerated accuracy, and the stability of its use, the smoothness nature and the efficiency nature of convenient cold liquid circulation operation are ensured to the input of circulating pump 205 through the setting of connecting pipe 7 simultaneously.

The working principle and the using process of the invention are as follows: in use, the feed inlet 101 is used to introduce distillation material into the interior of the distillation column body 1 and steam is introduced through the steam inlet 102, the stirring motor 601 stirs the introduced material by the driving shaft 602 moving the scraper stirring blade 603 and the grab bar stirring blade 604, increasing the contact area with heat, while the heater 109 drives the heating plate 110 to operate to heat the bottom outer wall of the distillation column main body 1 and to heat and distill the material stirred inside by conduction thereof, then the product obtained by distillation is led into a draft tube 208 in the cooling bin 2 through the interface 105 and the function of the connecting mechanism 4 and the connecting pipe 7, and further passes through an annular cooling pipe 207 arranged on the outer wall of the draft tube 208, the distillation product introduced into the draft tube 208 is cooled by circulating and gradually cooled, and is discharged through the discharge valve 202, thereby completing the operation of the apparatus.

To sum up, this distillation column equipment based on coal system PAO base oil distillation treatment stage, through setting up interface 105, make its nature according to the obtained result of different distillation material distillations, set up the outer wall at the distillation column main part 1 co-altitude not, and through the setting of backward flow cover 106 and packing layer 107, make it can carry out fractional distillation, the distillation efficiency of reinforcing device, simultaneously through the effect of back flow 103, can distill the material repeatedly, so that the purity that its material distillation was drawed is strengthened, and effectively save its energy consumption, the energy-concerving and environment-protective nature of hoisting device, and then strengthen its practicality.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Distillation column equipment based on a coal-based PAO base oil distillation treatment stage, comprising a distillation column main body (1), characterized in that: a stirring mechanism (6) is arranged at the inner bottom of the distillation tower main body (1), a support base (5) is arranged at the bottom of the distillation tower main body (1), a connecting mechanism (4) is arranged on the outer wall of the distillation tower main body (1), a connecting pipe (7) is arranged at one end of the connecting mechanism (4), a cooling bin (2) is arranged at one side of the distillation tower main body (1), and a cold liquid box (3) is arranged at one side of the bottom of the cooling bin (2);

the outer wall of the bottom wall of the distillation tower main body (1) is provided with a heater (109), the output end of the heater (109) is electrically connected with a heating plate (110), the outer wall of the distillation tower main body (1) is respectively provided with a feed inlet (101), a steam inlet (102) and an interface (105), the outer wall of the distillation tower main body (1) is provided with a return pipe (103) through a connecting mechanism (4), the inner wall of the distillation tower main body (1) is provided with a filter layer (108), a packing layer (107) is arranged above the filter layer (108), a return cover (106) is arranged above the packing layer (107), the inner wall of the distillation tower main body (1) is provided with a Teflon non-stick layer (112), the outer wall of the distillation tower main body (1) is provided with a heat insulation layer (113), and the top of the distillation tower main body (1) is provided with a steam outlet (111), one end of the return pipe (103) is provided with a liquid distributor (104).

2. The distillation column apparatus based on coal-based PAO base oil distillation processing stage of claim 1, wherein: the bottom of cooling bin (2) is provided with cooling box (201), the front of cooling box (201) is provided with derivation valve (202), the input of derivation valve (202) is provided with honeycomb duct (208).

3. The distillation column apparatus based on coal-based PAO base oil distillation processing stage of claim 1, wherein: the inner wall of cooling bin (2) is provided with annular cooling tube (207), the one end of annular cooling tube (207) is provided with cooling tube (206), the one end of cooling tube (206) is provided with circulating pump (205).

4. The distillation column apparatus based on coal-based PAO base oil distillation processing stage of claim 1, wherein: the cooling device is characterized in that the outer wall of the cooling bin (2) is provided with connectors (203) with different numbers, the inner walls of the connectors (203) with different numbers are provided with guide pipes (208), and the top of the cooling bin (2) is provided with a steam interface (204).

5. The distillation column apparatus based on coal-based PAO base oil distillation processing stage of claim 1, wherein: one end of the connecting mechanism (4) is provided with a connecting flange (401), and a spiral clamping bolt (402) is arranged on the port side of the connecting flange (401).

6. The distillation column apparatus based on coal-based PAO base oil distillation processing stage of claim 5, wherein: threaded groove (405) has been seted up to coupling mechanism (4) one end outer wall of keeping away from flange (401), the inside of coupling mechanism (4) is provided with connecting inner tube (403), draw-in groove (404) have been seted up with the junction of coupling mechanism (4) in connecting inner tube (403), coupling mechanism (4) pass through threaded groove (405) and distillation column main part (1) threaded connection.

7. The distillation column apparatus based on coal-based PAO base oil distillation processing stage of claim 1, wherein: the bottom of rabbling mechanism (6) is provided with agitator motor (601), the output of agitator motor (601) is provided with drive shaft (602), the outer wall of drive shaft (602) is provided with scraper blade stirring leaf (603) and grabs pole stirring leaf (604) respectively.

8. The distillation column apparatus based on coal-based PAO base oil distillation processing stage of claim 1, wherein: the shape and size of the connecting pipe (7) are matched with those of the clamping groove (404), and the connecting pipe (7) is movably inserted into the clamping groove (404).

9. The distillation column apparatus based on coal-based PAO base oil distillation processing stage of claim 1, wherein: the shape and size of the connecting mechanism (4) are respectively matched with the shape and size of the interface (105) and the shape and size of the connecting port (203), and the connecting mechanism (4) is arranged on the inner walls of the interface (105) and the connecting port (203) through threads of a thread groove (405).

10. The distillation column apparatus based on coal-based PAO base oil distillation processing stage of claim 1, wherein: the one end embedding of cold liquid case (3) sets up the one side at cooler bin (201), the one end suspension of cooling tube (206) sets up in cold liquid case (3) embedding end top, the interior bottom swing joint of connecting pipe (7) and cold liquid case (3) is passed through to the input of circulating pump (205).