CN108201830A - One kind is convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle - Google Patents
One kind is convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle Download PDFInfo
- Publication number
- CN108201830A CN108201830A CN201611173555.1A CN201611173555A CN108201830A CN 108201830 A CN108201830 A CN 108201830A CN 201611173555 A CN201611173555 A CN 201611173555A CN 108201830 A CN108201830 A CN 108201830A
- Authority
- CN
- China
- Prior art keywords
- convenient
- lubricating oil
- reaction kettle
- autoclave body
- oil production
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
- B01F27/906—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms with fixed axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/10—Dissolving using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/12—Maintenance of mixers using mechanical means
- B01F35/123—Maintenance of mixers using mechanical means using scrapers for cleaning mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
- B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
- B01F35/1453—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids by means of jets of fluid, e.g. air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/91—Heating or cooling systems using gas or liquid injected into the material, e.g. using liquefied carbon dioxide or steam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
It is proposed by the present invention to be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, radiator coil tube is connected on partition board, radiator coil tube connects steam generator by steam inlet tube with steam outlet pipe, steam generator and motor are respectively positioned on electrical intracavitary, motor output shaft is drivingly connected one end of the mixing shaft, the agitating shaft other end is pierced by partition board and stretches into reaction chamber, water tank is rotatably connected on by casing at the top of reaction chamber, multiple nozzles are connected on water tank, and pass through pipeline and connected with mixer, mixer has air inlet and water inlet, water inlet connects water pump by water inlet pipe, air inlet connects heating box by air inlet pipe, wind turbine is equipped in heating box.Proposed by the present invention to be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, material dissolution is abundant, and dissolved efficiency is high, and low energy consumption;After the completion of reaction, cleaning process to autoclave body can be realized without opening autoclave body, it is easy to operate, easy to maintain.
Description
Technical field
The present invention relates to OIL IN LUBRICATING OIL PRODUCTION fields more particularly to one kind to be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle.
Background technology
It during the processing of lubricating oil, needs to add various additives into ready-mixed oil, to improve lubricating oil
Quality.Traditionally mode of operation is all the additive mixing that will manually reconcile in kettle, this mode not only dissolves insufficient, uneven
It is even, and efficiency is low, high energy consumption.In addition, after the completion of reaction, need to clean the material of inner wall of kettle.Traditional cleaning side
Formula needs to open autoclave body, and inner wall of kettle is carried out to wash away processing more, this mode is time-consuming and laborious, and treatment effeciency is to be improved.
Invention content
Technical problems based on background technology, the present invention propose a kind of convenient for the reaction of clean OIL IN LUBRICATING OIL PRODUCTION
Kettle, to solve above-mentioned technical problem.
It is proposed by the present invention a kind of convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, including autoclave body, radiator coil tube, steam hair
Raw device, motor, mixer, high-pressure pump and heating box;
Partition board is equipped in the autoclave body, autoclave body is divided into the electrical chamber of lower part and the reaction chamber on top, institute by the partition board
It states radiator coil tube to be connected on partition board, the radiator coil tube connects steam generator by steam inlet tube with steam outlet pipe, described
Steam generator and motor are respectively positioned on the electrical intracavitary, and the motor output shaft is drivingly connected one end of the mixing shaft, the stirring
The axis other end is pierced by partition board and stretches into the reaction chamber, and the agitating shaft in reaction chamber is connected with paddle in turn from lower to upper
Piece, supporting rod and water tank are connected with scraping rod on the supporting rod, and the scraping rod is close to reaction cavity wall setting, height
Direction is consistent with reaction chamber short transverse, and the water tank is rotatably connected on by casing at the top of the reaction chamber, on the water tank
Multiple nozzles are connected with, and passes through pipeline and is connected with mixer, the mixer has air inlet and water inlet, the water inlet
Water pump is connected by water inlet pipe, the air inlet connects heating box by air inlet pipe, wind turbine is equipped in the heating box.
Preferably, the feeding port for feeding intake is equipped at the top of the autoclave body, the feeding port is by lid plug closing.
Preferably, the lid plug is hinged with autoclave body.
Preferably, the opposite autoclave body of the lid plug energy is spun upside down.
Preferably, the opposite autoclave body of the lid plug energy horizontally rotates.
Preferably, the partition board is equipped with liquid outlet, and the liquid outlet is connected with outlet tube, and the outlet tube passes through electrical
Chamber stretches out autoclave body.
Preferably, the radiator coil tube is in the shape of a spiral.
Preferably, the radiator coil tube periphery is connected with radiating fin.
Preferably, the partition board bottom is equipped with thermal insulation layer.
Preferably, it is equipped with insulating layer at the top of the reaction cavity wall and partition board.
Proposed by the present invention a kind of convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, when use topples over into autoclave body centainly matches
The material of ratio starts motor and steam heater, and motor drives stirring blade to rotate by agitating shaft, and stirring blade was rotating
Material is sufficiently stirred in journey;Steam heater generates high-temperature steam, and high-temperature steam goes out in steam heater, steam inlet tube, steam
Pipe and heating cavity circulation, and the material in autoclave body is heated in cyclic process.Treat material in stirring blade and high temperature
After fully being dissolved under vapor action, by material by being taken out in autoclave body, and start water pump and wind turbine.Motor driven belts are moved scraping rod and are turned
Dynamic, scraping rod dissipates the material scraper being attached on inner wall of kettle in rotation process.Water pump and fan action cause in mixer
High pressure water flow is produced, high pressure water flow subsequently enters water tank, and passes through nozzle and sprayed to inner wall of kettle, and autoclave body is attached to so as to take away
Material on inner wall.After the completion of inner wall of kettle cleaning, motor and water pump are closed, starts heating box, hot wind is by nozzle to autoclave body
Inner wall sprays, it is achieved thereby that inner wall of kettle air drying process.It is proposed by the present invention to be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle,
Material dissolution can be made abundant and efficient, low energy consumption;After the completion of reaction, it can be realized without opening autoclave body to the clear of autoclave body
Clean process, it is easy to operate, easy to maintain.
Description of the drawings
Fig. 1 is a kind of structure diagram convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle proposed by the present invention.
Specific embodiment
As shown in FIG. 1, FIG. 1 is a kind of structural representations convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle proposed by the present invention
Figure.
It is proposed by the present invention a kind of convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle with reference to Fig. 1, including autoclave body 1, heat dissipation plate
Pipe 3, steam generator 6, motor 7, mixer 15, high-pressure pump 16 and heating box 17;
Partition board 2 is equipped in the autoclave body 1, autoclave body 1 is divided into the electrical chamber of lower part and the reaction on top by the partition board 2
Chamber, the radiator coil tube 3 are connected on partition board 2, and the radiator coil tube 3 connects steam by steam inlet tube 4 and steam outlet pipe 5 and sends out
Raw device 6, the steam generator 6 and motor 7 are respectively positioned on the electrical intracavitary, and 7 output shaft of motor is drivingly connected agitating shaft 8
One end, 8 other end of agitating shaft are pierced by partition board 2 and stretch into the reaction chamber, and the agitating shaft 8 in reaction chamber is from lower to upper
It is connected with stirring blade 9, supporting rod 10 and water tank 11 in turn, scraping rod 12, the scraping rod is connected on the supporting rod 10
12 close to reaction cavity wall setting, and short transverse is consistent with reaction chamber short transverse, and the water tank 11 is rotated by casing 13
It is connected at the top of the reaction chamber, is connected with multiple nozzles 14, and pass through pipeline and connected with mixer 15 on the water tank 11, institute
Mixer 15 is stated with air inlet and water inlet, the water inlet connects water pump 16 by water inlet pipe, the air inlet by into
Tracheae connects heating box 17, and wind turbine is equipped in the heating box 17.
This programme principle is as follows:The material centainly matched is toppled over during use into autoclave body 1, starts motor 7 and steam heating
Device 6, motor 7 drive stirring blade 9 to rotate by agitating shaft 8, and stirring blade 9 is sufficiently stirred material in rotation process;Steam
Heater 7 generates high-temperature steam, and high-temperature steam is in steam heater 6, steam inlet tube 4, steam outlet pipe 5 and heats cavity circulation,
And the material in autoclave body 1 is heated in cyclic process.Treat that material is fully molten under stirring blade 9 and high-temperature steam effect
Xie Hou, by material by being taken out, and start water pump 16 and wind turbine in autoclave body 1, the driving of motor 7 drives scraping rod 12 to rotate, scraping rod
12 dissipate the material scraper being attached on 1 inner wall of autoclave body in rotation process.Water pump 16 and fan action cause raw in mixer 15
High pressure water flow is produced, high pressure water flow subsequently enters water tank 11, and passes through nozzle 14 and sprayed to 1 inner wall of autoclave body, is attached to so as to take away
Material on 1 inner wall of autoclave body.After the completion of 1 inner wall cleaning of autoclave body, motor 7 and water pump 16 are closed, starts heating box 6, hot wind passes through
Nozzle 14 is sprayed to 1 inner wall of autoclave body, it is achieved thereby that inner wall of kettle air drying process.
In the embodiment having, 1 top of autoclave body is equipped with the feeding port for feeding intake, and the feeding port fills in 18 envelopes by lid
It closes.
In the embodiment having, the lid plug 18 and autoclave body 1 are hinged.
In the embodiment having, the 18 energy autoclave body 1 relatively of lid plug is spun upside down or is horizontally rotated.This design method
It is easy to open or closes feeding port.
In the embodiment having, the partition board 2 is equipped with liquid outlet, and the liquid outlet is connected with outlet tube 19, it is described go out
Liquid pipe 19 stretches out autoclave body 1 by electrical chamber.This design method makes to show that liquid is more convenient.
In the embodiment having, in the shape of a spiral, heat exchange is more abundant for the radiator coil tube 3.
In the embodiment having, 3 periphery of radiator coil tube is connected with radiating fin, helps to further improve heat dissipation effect
Fruit.
In the embodiment having, 2 bottom of partition board is equipped with thermal insulation layer.This is designed so that the heat in reaction chamber is not easy to pass
Electrical intracavitary is directed at, helps to ensure that the service life of motor 7 and steam generator 6.
In the embodiment having, the reaction cavity wall and 2 top of partition board are equipped with insulating layer.This is designed so that Btu utilization
Rate is high, helps to reduce energy consumption.
It is proposed by the present invention to be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, material dissolution can be made abundant and efficient,
Low energy consumption;After the completion of reaction, cleaning process to autoclave body can be realized without opening autoclave body, it is easy to operate, easy to maintain.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. one kind is convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, which is characterized in that including autoclave body, radiator coil tube, steam generation
Device, motor, mixer, high-pressure pump and heating box;
Partition board is equipped in the autoclave body, autoclave body is divided into the electrical chamber of lower part and the reaction chamber on top by the partition board, described to dissipate
Hot coil is connected on partition board, and the radiator coil tube connects steam generator, the steam with steam outlet pipe by steam inlet tube
Generator and motor are respectively positioned on the electrical intracavitary, and the motor output shaft is drivingly connected one end of the mixing shaft, and the agitating shaft is another
One end is pierced by partition board and stretches into the reaction chamber, the agitating shaft in reaction chamber be connected in turn from lower to upper stirring blade,
Supporting rod and water tank are connected with scraping rod on the supporting rod, and the scraping rod is close to reaction cavity wall setting, short transverse
Consistent with reaction chamber short transverse, the water tank is rotatably connected on by casing at the top of the reaction chamber, is connected on the water tank
There are multiple nozzles, and pass through pipeline and connected with mixer, the mixer has air inlet and water inlet, and the water inlet passes through
Water inlet pipe connects water pump, and the air inlet connects heating box by air inlet pipe, wind turbine is equipped in the heating box.
2. according to claim 1 be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, which is characterized in that at the top of the autoclave body
Equipped with the feeding port for feeding intake, the feeding port is by lid plug closing.
3. according to claim 2 be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, which is characterized in that the lid plug and kettle
Body is hinged.
4. according to claim 3 be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, which is characterized in that the lid plug can phase
Autoclave body is spun upside down.
5. according to claim 3 be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, which is characterized in that the lid plug can phase
It horizontally rotates to autoclave body.
6. according to claim 1 be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, which is characterized in that is set on the partition board
There is liquid outlet, the liquid outlet is connected with outlet tube, and the outlet tube stretches out autoclave body by electrical chamber.
7. according to claim 1 be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, which is characterized in that the radiator coil tube
In the shape of a spiral.
8. according to claim 7 be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, which is characterized in that the radiator coil tube
Periphery is connected with radiating fin.
9. according to claim 1 be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, which is characterized in that the partition board bottom
Equipped with thermal insulation layer.
10. according to claim 1 be convenient for clean OIL IN LUBRICATING OIL PRODUCTION reaction kettle, which is characterized in that the reaction chamber
Insulating layer is equipped at the top of inner wall and partition board.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611173555.1A CN108201830B (en) | 2016-12-19 | 2016-12-19 | Reation kettle is used in lubricating oil production convenient to it is clean |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611173555.1A CN108201830B (en) | 2016-12-19 | 2016-12-19 | Reation kettle is used in lubricating oil production convenient to it is clean |
Publications (2)
Publication Number | Publication Date |
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CN108201830A true CN108201830A (en) | 2018-06-26 |
CN108201830B CN108201830B (en) | 2020-02-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201611173555.1A Active CN108201830B (en) | 2016-12-19 | 2016-12-19 | Reation kettle is used in lubricating oil production convenient to it is clean |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109201283A (en) * | 2018-10-30 | 2019-01-15 | 淮阴工学院 | Tea powder grinder |
CN110327859A (en) * | 2019-04-22 | 2019-10-15 | 广州市中潭空气净化科技有限公司 | It is a kind of for producing the reaction kettle with cleaning function of Corvic |
CN110917913A (en) * | 2019-12-02 | 2020-03-27 | 温州圆拓机械科技有限公司 | Traditional chinese medicine is traditional chinese medicine dissolving and filtering device for analysis |
CN112156738A (en) * | 2020-09-23 | 2021-01-01 | 山东润德生物科技有限公司 | Heat energy conversion device in liquid glucosamine production |
CN116239409A (en) * | 2022-12-30 | 2023-06-09 | 宜昌平丰环保科技有限公司 | Biomass organic fertilizer preparation reaction kettle |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105056808A (en) * | 2015-08-28 | 2015-11-18 | 岑立强 | Self-cleaning efficient stirrer |
CN204891784U (en) * | 2015-07-31 | 2015-12-23 | 林云玲 | Vertical high -efficient mixer with many discharging pipes |
CN204911499U (en) * | 2015-08-24 | 2015-12-30 | 成都杰晟蜀邦新材料科技有限公司 | Auxiliary agent adds distribution apparatus |
-
2016
- 2016-12-19 CN CN201611173555.1A patent/CN108201830B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204891784U (en) * | 2015-07-31 | 2015-12-23 | 林云玲 | Vertical high -efficient mixer with many discharging pipes |
CN204911499U (en) * | 2015-08-24 | 2015-12-30 | 成都杰晟蜀邦新材料科技有限公司 | Auxiliary agent adds distribution apparatus |
CN105056808A (en) * | 2015-08-28 | 2015-11-18 | 岑立强 | Self-cleaning efficient stirrer |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109201283A (en) * | 2018-10-30 | 2019-01-15 | 淮阴工学院 | Tea powder grinder |
CN110327859A (en) * | 2019-04-22 | 2019-10-15 | 广州市中潭空气净化科技有限公司 | It is a kind of for producing the reaction kettle with cleaning function of Corvic |
CN110917913A (en) * | 2019-12-02 | 2020-03-27 | 温州圆拓机械科技有限公司 | Traditional chinese medicine is traditional chinese medicine dissolving and filtering device for analysis |
CN112156738A (en) * | 2020-09-23 | 2021-01-01 | 山东润德生物科技有限公司 | Heat energy conversion device in liquid glucosamine production |
CN112156738B (en) * | 2020-09-23 | 2021-12-14 | 山东润德生物科技有限公司 | Heat energy conversion device in liquid glucosamine production |
CN116239409A (en) * | 2022-12-30 | 2023-06-09 | 宜昌平丰环保科技有限公司 | Biomass organic fertilizer preparation reaction kettle |
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