CN112747996A

CN112747996A - Crude oil organochlorine pretreatment tester

Info

Publication number: CN112747996A
Application number: CN201911051019.8A
Authority: CN
Inventors: 任友得
Original assignee: Shandong Defeng Petroleum Equipment Co ltd
Current assignee: Shandong Defeng Petroleum Equipment Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2021-05-04

Abstract

The invention discloses a crude oil organochlorine pretreatment tester which comprises an electric cabinet, a flask, a magnetic stirring heating sleeve and a double water bath tank, wherein the flask is composed of a bottle body and a bottleneck, the bottle body is arranged on the magnetic stirring heating sleeve, the upper half part of the bottle body is subjected to heat preservation treatment through a heat preservation cover, the magnetic stirring heating sleeve is placed on a lifting platform through a damping mechanism and is electrically connected with the electric cabinet, and a downward inclined branch pipe is processed in the middle of the bottleneck. Has the advantages that: vibration that the damper that sets up produced the flask during operation is carried out the shock attenuation and is prevented rocking to increase the stable effect of during operation, through damping spring and contact plate and the contact of a heat preservation section of thick bamboo contact that sets up, magnetic stirring heating jacket during operation drives the flask and vibrates, finally drives a heat preservation section of thick bamboo and vibrates, and the damping spring of setting plays absorbing effect to flask and a heat preservation section of thick bamboo, further guarantees the stable effect of during operation.

Description

Crude oil organochlorine pretreatment tester

Technical Field

The invention relates to the field of distillation testing, in particular to a crude oil organochlorine pretreatment tester.

Background

The existing crude oil distillation tester needs to be used for pretreatment before detection of organic chlorine of crude oil, and is designed and manufactured according to GB/T26984 'determination of crude oil flow', the initial temperature of a long neck part of a flask in the distillation process is lower than 100 ℃, so that moisture in the crude oil is easy to condense and fall back into the flask, so that a sample is caused to explode, and sample flushing is finally caused and the distillation efficiency is reduced; the condenser pipe does not have the function of quickly switching the temperature, the distillate before 204 ℃ is distilled and needs to be cooled, when the temperature of the distillate steam rises to above 260 ℃, wax in crude oil is distilled off, the wax is condensed in the low-temperature condensation process, the condenser pipe is blocked, the yield of the high-boiling-point distillate is influenced, and the stirring vibration generated in the process needs to be damped so that the distillation column can work stably.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

The invention aims to provide a crude oil organochlorine pretreatment tester to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a crude oil organochlorine pretreatment tester comprises an electric cabinet, a flask, a magnetic stirring heating sleeve and two water baths, wherein the flask comprises a bottle body and a bottleneck, the bottle body is arranged on the magnetic stirring heating sleeve, the upper half part of the bottle body is subjected to heat preservation treatment through a heat preservation cover, the magnetic stirring heating sleeve is placed on a lifting platform through a damping mechanism, the magnetic stirring heating sleeve is electrically connected with the electric cabinet, a downward inclined branch pipe is processed in the middle of the bottleneck, the other end of the branch pipe is connected with the upper end of a condensation pipe through a frosted interface, the other end of the condensation pipe is connected with a fraction receiving pipe through a frosted interface, a thermocouple is inserted in the bottleneck and is electrically connected with the electric cabinet, electric heating belts are wound on the outer sides of the bottleneck and the branch pipe and are electrically connected with the electric cabinet, and the two water baths comprise a low-temperature constant-temperature water bath and a high-temperature, the two water tanks of the double water bath tank are connected with the condensing pipe jacket through a circulating pipeline, the two water tanks of the double water bath tank are controlled by a solenoid valve, the solenoid valve is electrically connected with the electric cabinet, the bottleneck is sleeved with a heat-insulating cylinder, one side of the heat-insulating cylinder is provided with a branch heat-insulating cylinder matched with the branch pipe, the top end of the lifting platform is fixedly provided with two fixing plates, the two fixing plates are respectively provided with a threaded hole, matched threaded rods are inserted into the threaded holes and are positioned at the same horizontal position, one side corresponding to the threaded rods is fixedly provided with a damping spring, the other end of the damping spring is fixedly provided with a contact plate, a telescopic rod is inserted into the damping spring, and the two ends of the telescopic rod are respectively fixed on the threaded rods and the contact plate, the contact plate is in contact with the outer wall of the heat-insulating cylinder.

Further, the inner wall of the bottleneck is carved with an internal thread, a circular inner cavity is formed in the bottleneck, a circular filter plate is arranged in the bottleneck, an external thread matched with the internal thread is carved on the circular outer wall of the circular filter plate, and a thin rod is fixedly arranged at the center of the top end of the circular filter plate.

Further, damper comprises a plurality of montant and first spring, and a plurality of montant is fixed respectively the magnetic stirring heating jacket bottom, first spring is fixed respectively in a plurality of montant bottom corresponding, set up on the elevating platform and erect the groove with a plurality of montant is corresponding, first spring bottom is fixed respectively corresponding erect the groove bottom.

Further, a plurality of montant both sides are all fixed and are equipped with the slope pole, the slope pole other end slope is fixed and is equipped with the second spring, the second spring other end is all fixed and is equipped with the shock attenuation piece, the shock attenuation piece material is the block rubber.

Further, the temperature of the low-temperature constant-temperature water bath is set to be about 5 ℃, and the temperature of the high-temperature constant-temperature water bath is set to be about 60 ℃.

Further, the contact plate material is a rubber block.

Furthermore, the other end of the threaded rod is fixedly provided with a manual rotating rod, and a protective glove is sleeved on the manual rotating rod.

Further, the flask, the condenser pipe, the fraction receiving pipe and the magnetic stirring heating sleeve form a distillation assembly, the distillation assembly is arranged into two sets, and the distillation assembly is simultaneously arranged in a distillation instrument.

Compared with the prior art, the invention has the following beneficial effects:

the temperature of a bottleneck is ensured to be about 150 ℃ through an electric heating belt, water vapor in a sample cannot be liquefied and returns to a distillation flask to generate bumping, the temperature of the steam of the sample is controlled by steam temperature, the steam temperature is detected through a thermocouple, when the temperature of the steam of the sample reaches 204 ℃ which is set, an alarm prompt is output, an indicator lamp is lightened, a water bath for supplying water by a condenser pipe is switched at the same time, the low-temperature water bath is switched to the high-temperature water bath, when the low-temperature water bath supplies water to the condenser pipe, the high-temperature water bath circulates in the high-temperature water bath, on the contrary, fractions before 204 ℃ are collected, when the temperature of the steam of the sample reaches 320 ℃ which is set, the indicator lamp is lightened, the alarm switching value is output, the power supply;

the magnetic stirring heating jacket is adopted and is additionally provided with the heat preservation cover, so that the crude oil sample is heated uniformly, when the electric heating belt works, the bottleneck and the branch pipe are further preserved by the heat preservation cylinder and the branch heat preservation cylinder, the bumping caused by the condensation and backflow of the water contained in the crude oil to the crude oil in the wall of the flask during the distillation of the crude oil is also reduced, the better heat preservation effect can be achieved, the bumping caused by the condensation and backflow of the water contained in the crude oil in the wall of the flask during the distillation of the crude oil is reduced, the vibration generated during the stirring process of the magnetic stirring heating jacket is reduced, the vibration generated during the working of the flask is damped and prevented from shaking by the damping mechanism, the stable effect during the working is increased, the flask is driven to vibrate by the magnetic stirring heating jacket when the working through the damping spring and the contact plate which are in contact with the heat preservation cylinder, the heat preservation cylinder is finally driven to vibrate, and, further ensuring the stable effect in working.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a front view of a crude organochlorine pretreatment analyzer according to an embodiment of the present invention;

FIG. 2 is a schematic view of an elevating platform of a crude oil organochlorine pretreatment tester according to an embodiment of the invention.

Reference numerals:

1. an electric cabinet; 2. a flask; 3. a manual rotating rod; 4. a double water bath tank; 5. a bottle body; 6. a bottleneck; 7. a magnetic stirring heating sleeve; 8. a heat-preserving cover; 9. a lifting platform; 10. a branch pipe; 11. a condenser tube; 12. a distillate receiving tube; 13. a thermocouple; 14. an electrical heating belt; 15. a circulation line; 16. a heat-preserving cylinder; 17. a fixing plate; 18. a threaded rod; 19. a damping spring; 20. a contact plate; 21. a circular filter plate; 22. a thin rod; 23. a vertical rod; 24. a first spring; 25. a vertical slot; 26. an inclined lever; 27. a second spring; 28. a damping sheet.

Detailed Description

The invention is further described with reference to the following drawings and detailed description:

in order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

The first embodiment is as follows:

referring to fig. 1-2, a crude oil organochlorine pretreatment tester according to an embodiment of the present invention includes an electric cabinet 1, a flask 2, a magnetic stirring heating jacket 7, and a dual-water bath 4, where the flask 2 includes a bottle body 5 and a bottleneck 6, the bottle body 5 is disposed on the magnetic stirring heating jacket 7, and the upper half of the bottle body 5 is subjected to heat preservation by a heat preservation cover 8, the magnetic stirring heating jacket 7 is disposed on a lifting platform 9 through a damping mechanism, the magnetic stirring heating jacket 7 is electrically connected to the electric cabinet 1, a downward-inclined branch pipe 10 is disposed in the middle of the bottleneck 6, the other end of the branch pipe 10 is connected to the upper end of a condensation pipe 11 through a frosted interface, the other end of the condensation pipe 11 is connected to a fraction receiving pipe 12 through a frosted interface, a thermocouple 13 is inserted into the bottleneck 6, and the thermocouple 13 is electrically connected to the electric cabinet 1, the bottleneck 6 and the outer side of the branch pipe 10 are wound with electric heating belts 14, the electric heating belts 14 are electrically connected with the electric cabinet 1, the double water baths 4 are composed of a low-temperature constant-temperature water bath and a high-temperature constant-temperature water bath, two water tanks of the double water baths 4 are connected with the jacket of the upper condensing pipe 11 through a circulating pipeline 15, the two water tanks of the double water baths 4 are controlled by an electromagnetic valve through the circulating pipeline 15, the electromagnetic valve is electrically connected with the electric cabinet 1, a heat preservation cylinder 16 is sleeved on the bottleneck 6, a branch heat preservation cylinder matched with the branch pipe 10 is arranged on one side of the heat preservation cylinder 16, two fixing plates 17 are fixedly arranged at the top end of the lifting platform 9, threaded holes are respectively formed in the two fixing plates 17, matched threaded rods 18 are inserted in the threaded holes, and the threaded rods 18 are positioned on the same horizontal position, a damping spring 19 is fixedly arranged on one side corresponding to the threaded rod 18, a contact plate 20 is fixedly arranged at the other end of the damping spring 19, an expansion link is inserted into the damping spring 19, two ends of the expansion link are respectively fixed on the threaded rod 18 and the contact plate 20, and the contact plate 20 is in contact with the outer wall of the heat-insulating cylinder 16.

Through the scheme of the invention, the beneficial effects are as follows: the temperature of a bottleneck is ensured to be about 150 ℃ through the electric heating belt 14, water vapor in a sample cannot be liquefied and returns to the distillation flask to generate bumping, the temperature of the steam is controlled by the steam to control the temperature of the steam of the sample, the steam temperature is detected through a thermocouple, when the temperature of the steam of the sample reaches 204 ℃ which is set, an alarm prompt is output, an indicator lamp is lightened, meanwhile, a water bath for supplying water to a condenser pipe is switched, the low-temperature water bath is switched to the high-temperature water bath, when the low-temperature water bath supplies water to the condenser pipe, the high-temperature water bath circulates in itself, on the contrary, fractions before 204 ℃ are collected, when the temperature of the steam of the sample reaches 320 ℃ which is set, the indicator lamp is lightened, the alarm switching value is output, the power supply;

the magnetic stirring heating sleeve 7 is adopted and is additionally provided with the heat preservation cover 8, so that a crude oil sample is heated uniformly, when the electric heating belt 14 works, the heat preservation barrel 16 and the branch heat preservation barrel are used for further preserving heat of the bottleneck 6 and the branch pipe 10, the bumping caused by the condensation and backflow of water contained in crude oil in the flask pipe wall into the crude oil during crude oil distillation is also reduced, the bumping caused by the condensation and backflow of the water contained in the crude oil in the flask pipe wall into the crude oil during crude oil distillation can be better reduced by the heat preservation effect, the vibration generated during the stirring process of the magnetic stirring heating sleeve 7 is reduced, the vibration generated during the working of the flask 2 is reduced and prevented from shaking through the arranged damping mechanism, the working effect is increased, the damping spring 19 and the contact plate 20 are in contact with the heat preservation barrel 16, the flask 2 is driven to vibrate during the working of the magnetic stirring heating sleeve 7, and the heat, the damping spring 19 that sets up plays absorbing effect to flask 2 and heat preservation section of thick bamboo 16, further guarantees the stable effect of during operation.

Example two:

referring to fig. 2, for the bottle neck 6, an internal thread is carved on the inner wall of the bottle neck 6, a circular inner cavity is formed in the bottle neck 6, a circular filter plate 21 is arranged in the bottle neck 6, an external thread matched with the internal thread is carved on the circular outer wall of the circular filter plate 21, and a thin rod 22 is fixedly arranged at the center of the top end of the circular filter plate 21.

Through the scheme of the invention, the beneficial effects are as follows: circular filter 21 can prevent that distillation process crude oil is violently, and the internal thread and the external screw thread that set up rotate circular filter 21 to the setting in bottleneck 6, through grabbing thin pole 22 and conveniently turning out circular filter 21 from 6 insides of bottleneck and changing.

Example three:

referring to fig. 2, for the damping mechanism, the damping mechanism is composed of a plurality of vertical rods 23 and first springs 24, the plurality of vertical rods 23 are respectively fixed at the bottom ends of the magnetic stirring heating jacket 7, the first springs 24 are respectively fixed at the bottom ends of the corresponding plurality of vertical rods 23, vertical grooves 25 corresponding to the plurality of vertical rods 23 are formed in the lifting platform 9, and the bottom ends of the first springs 24 are respectively fixed at the bottom ends of the corresponding vertical grooves 25.

Through the scheme of the invention, the beneficial effects are as follows: the vibration generated by stirring when the magnetic stirring heating jacket 7 works is damped by the arranged first spring 24.

Example four:

referring to fig. 2, for the vertical rods 23, two sides of each of the vertical rods 23 are fixedly provided with an inclined rod 26, the other end of each inclined rod 26 is fixedly provided with a second spring 27 in an inclined manner, the other end of each second spring 27 is fixedly provided with a damping piece 28, and the damping pieces 28 are made of rubber blocks.

Through the scheme of the invention, the beneficial effects are as follows: the second spring 27 is arranged to divide the vibration in a tilting manner, so that the damping effect is better.

Example five:

referring to fig. 1, for the low-temperature constant-temperature water bath, the temperature of the low-temperature constant-temperature water bath is set to about 5 ℃, and the temperature of the high-temperature constant-temperature water bath is set to about 60 ℃.

Through the scheme of the invention, the beneficial effects are as follows: the temperature of the low-temperature constant-temperature water bath is set to be about 5 ℃ and is used for controlling the condensation of the fraction from the initial boiling point to 204 ℃, and the temperature of the high-temperature constant-temperature water bath is set to be about 60 ℃ and is used for controlling the condensation of the fraction from 204 ℃ to 320 ℃.

Example six:

referring to fig. 2, for contact plate 20, the material of contact plate 20 is a rubber block.

Example seven:

referring to fig. 2, for the threaded rod 18, the other end of the threaded rod 18 is fixedly provided with a manual rotating rod 3, and a glove protector is sleeved on the manual rotating rod 3.

Through the scheme of the invention, the beneficial effects are as follows: the contact plate 20 connected with the damping spring 19 is finally driven to contact the heat preservation cylinder 16 by rotating the manual rotating rod 3 with the threaded rod 18.

Example eight:

referring to fig. 1-2, for the flask 2, the condenser 11, the distillate receiver 12, and the magnetic stirring heating jacket 7, distillation assemblies are provided in two sets, and the distillation assemblies are simultaneously provided in a distillation apparatus. In other words, the flask 2, the condenser tube 11, the fraction receiver tube 12 and the magnetic stirring heating jacket 7 constitute a distillation assembly, which is provided in two sets, and which is simultaneously provided in a distiller.

Through the scheme of the invention, the beneficial effects are as follows: the two sets of distillation components are arranged in the distillation apparatus at the same time and can work independently.

For the convenience of understanding the above technical solutions of the present invention, the following detailed description is made of the working principle or the operation mode of the present invention in the practical process:

in practical application, the temperature of a bottleneck is ensured to be about 150 ℃ through the electric heating belt 14, water vapor in a sample cannot be liquefied and returns to the distillation flask to generate bumping, the temperature of the sample vapor is controlled through steam temperature control, steam temperature detection is carried out through a thermocouple, when the temperature of the sample vapor reaches 204 ℃ of a set temperature, an alarm prompt is output, an indicator lamp is lightened, a water bath for supplying water to a condenser pipe is switched, the low-temperature water bath is switched to a high-temperature water bath, when the low-temperature water bath supplies water to the condenser pipe, internal circulation of the high-temperature water bath is carried out, on the contrary, fractions before 204 ℃ are collected, when the temperature of the sample vapor reaches 320 ℃ of the set temperature, the indicator lamp is lightened, an alarm switching value is output, a magnetic stirring heating sleeve power supply is turned off, and;

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. The crude oil organochlorine pretreatment tester is characterized by comprising an electric cabinet (1), a flask (2), a magnetic stirring heating sleeve (7) and a double water bath (4), wherein the flask (2) comprises a bottle body (5) and a bottleneck (6), the bottle body (5) is arranged on the magnetic stirring heating sleeve (7), the upper half part of the bottle body (5) is subjected to heat preservation treatment through a heat preservation cover (8), the magnetic stirring heating sleeve (7) is placed on a lifting platform (9) through a damping mechanism, the magnetic stirring heating sleeve (7) is electrically connected with the electric cabinet (1), a downward-inclined branch pipe (10) is processed in the middle of the bottleneck (6), the other end of the branch pipe (10) is connected with the upper end of a condensation pipe (11) through a frosted interface, the other end of the condensation pipe (11) is connected with a fraction receiving pipe (12) through a frosted interface, the thermal couple (13) is inserted in the bottleneck (6), the thermal couple (13) is electrically connected with the electric cabinet (1), the bottleneck (6) and the outer side of the branch pipe (10) are wound with an electric heating belt (14), the electric heating belt (14) is electrically connected with the electric cabinet (1), the double water tanks (4) are controlled by a low-temperature constant-temperature water bath and a high-temperature constant-temperature water bath, two water tanks of the double water tanks (4) are connected with a jacket of the condensing pipe (11) through a circulating pipeline (15), two water tanks of the double water tanks (4) are controlled by a solenoid valve which is electrically connected with the electric cabinet (1), a heat-insulating cylinder (16) is sleeved on the bottleneck (6), a branch heat-insulating cylinder matched with the branch pipe (10) is arranged on one side of the heat-insulating cylinder (16), and two fixing plates (17) are fixedly arranged at the top end of the lifting platform (9), threaded holes are formed in two fixing plates (17), matched threaded rods (18) are inserted into the threaded holes, the threaded rods (18) are located at the same horizontal position, damping springs (19) are fixedly arranged on one corresponding sides of the threaded rods (18), contact plates (20) are fixedly arranged at the other ends of the damping springs (19), telescopic rods are inserted into the damping springs (19), the two ends of each telescopic rod are fixed to the corresponding threaded rods (18) and the corresponding contact plates (20), and the contact plates (20) are in contact with the outer wall of the heat-insulating cylinder (16).

2. The pretreatment tester for organochlorine in crude oil according to claim 1, wherein the inner wall of the bottleneck (6) is carved with an internal thread, the bottleneck (6) is internally provided with a circular inner cavity, the bottleneck (6) is internally provided with a circular filter plate (21), the circular outer wall of the circular filter plate (21) is carved with an external thread matched with the internal thread, and the top center of the circular filter plate (21) is fixedly provided with a thin rod (22).

3. The crude oil organochlorine pretreatment tester as recited in claim 1, wherein the damping mechanism comprises a plurality of vertical rods (23) and first springs (24), the plurality of vertical rods (23) are respectively fixed at the bottom end of the magnetic stirring heating jacket (7), the first springs (24) are respectively fixed at the bottom ends of the corresponding plurality of vertical rods (23), the lifting platform (9) is provided with vertical grooves (25) corresponding to the plurality of vertical rods (23), and the bottom ends of the first springs (24) are respectively fixed at the bottom ends of the corresponding vertical grooves (25).

4. The pretreatment tester for organochlorine in crude oil according to claim 3, wherein the inclined rods (26) are fixedly arranged on two sides of the vertical rods (23), the second springs (27) are fixedly arranged on the other ends of the inclined rods (26) in an inclined manner, the damping plates (28) are fixedly arranged on the other ends of the second springs (27), and the damping plates (28) are made of rubber blocks.

5. The pretreatment tester for organochlorine in crude oil according to claim 1, wherein the low-temperature constant-temperature water bath is set to a temperature of about 5 ℃ and the high-temperature constant-temperature water bath is set to a temperature of about 60 ℃.

6. The crude oil organochlorine pretreatment tester as recited in claim 1, wherein the contact plate (20) is made of a rubber block.

7. The pretreatment tester for organochlorine in crude oil according to claim 1, wherein the other end of the threaded rod (18) is fixedly provided with a manual rotating rod (3), and a protective glove is sleeved on the manual rotating rod (3).

8. The crude oil organochlorine pretreatment tester as recited in claim 1, wherein the flask (2), the condenser (11), the fraction receiver (12) and the magnetic stirring heating jacket (7) constitute distillation assemblies, the distillation assemblies are arranged in two sets, and the distillation assemblies are simultaneously arranged in a distillation apparatus.