CN115253930A - Reaction unit before dimethyl ether production is with dehydration - Google Patents

Reaction unit before dimethyl ether production is with dehydration Download PDF

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Publication number
CN115253930A
CN115253930A CN202210792131.2A CN202210792131A CN115253930A CN 115253930 A CN115253930 A CN 115253930A CN 202210792131 A CN202210792131 A CN 202210792131A CN 115253930 A CN115253930 A CN 115253930A
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CN
China
Prior art keywords
fixedly connected
air inlet
treatment tank
inlet cylinder
dimethyl ether
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Pending
Application number
CN202210792131.2A
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Chinese (zh)
Inventor
凡殿才
张海生
高雷
冯健
蒋三星
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Anhui Haoyuan Chemical Industry Group Co ltd
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Anhui Haoyuan Chemical Industry Group Co ltd
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Priority to CN202210792131.2A priority Critical patent/CN115253930A/en
Publication of CN115253930A publication Critical patent/CN115253930A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
    • B01J8/10—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by stirrers or by rotary drums or rotary receptacles or endless belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
    • B01F33/402—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
    • B01F33/409—Parts, e.g. diffusion elements; Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
    • B01F33/4094—Plants
    • 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
    • B01F35/20—Measuring; Control or regulation
    • B01F35/22—Control or regulation
    • B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
    • B01F35/2213—Pressure
    • 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
    • B01F35/93—Heating or cooling systems arranged inside the receptacle
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00539—Pressure

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention discloses a reaction device before dehydration for dimethyl ether production, which belongs to the field of dimethyl ether production and comprises a treatment tank, wherein the bottom of the treatment tank is fixedly connected with a fixing frame, a bubbling assembly is arranged in the middle of the inside of the fixing frame, the bubbling assembly comprises an air inlet cylinder, the top of the air inlet cylinder is fixedly connected with the top of the fixing frame, the top of the air inlet cylinder extends to the inside of the treatment tank, a plurality of groups of micropores in circumferential arrays are formed in the top of the air inlet cylinder, a rotating shaft is rotatably connected to the air inlet cylinder, the top of the rotating shaft penetrates through the air inlet cylinder and is fixedly connected with a plurality of groups of blades, the blades are driven to rotate by the rotating shaft, the floating bubbles are crushed into smaller bubbles by the rotation of the blades, the volume of the bubbles is reduced, the contact area of high-pressure synthetic gas and mixed liquid is increased, and the reaction effect is improved.

Description

Reaction unit before dimethyl ether production is with dehydration
Technical Field
The invention relates to the technical field of dimethyl ether production, in particular to a reaction device used before dehydration for dimethyl ether production.
Background
Dimethyl ether is an organic compound, is a colorless and odorous flammable gas in a standard state, can form an explosive mixture when mixed with air, is easy to combust and explode when contacted with heat, sparks, flames or an oxidant, can generate peroxide with potential explosion danger when contacted with air or under illumination conditions, has higher density than air, can be diffused to a far place at a lower part, can be ignited and recombusted when meeting a fire source, and has the danger of cracking and explosion when meeting high heat and increasing the internal pressure of a container.
The catalytic reaction of dimethyl ether is mainly divided into three types, such as a Tops phi e process, a LPDMOMM new process and a Japan NKK process, wherein the LPDMOMEM new process has the main advantage that a traditional gas phase fixed bed reactor is abandoned and a slurry bubble column reactor is used, catalyst particles are in a fine powder shape, inert mineral oil and the catalyst are used for forming slurry, then a dimethyl ether high-pressure synthesis gas raw material is sprayed from the bottom of a tower for bubbling, so that the solid catalyst particles and gas feeding materials are fully mixed, and the mineral oil is used for ensuring that the mixing is more complete, the isothermal operation is realized and the temperature control is easy.
However, when the dimethyl ether high-pressure synthesis gas is subjected to bubbling and is mixed with the mineral oil and the catalyst for reaction, bubbles formed by the bubbling cannot be controlled, and larger bubbles are formed between the mineral oil and the catalyst, so that the mixing contact area between the dimethyl ether high-pressure synthesis gas and the mineral oil and the catalyst is small, and the effect of the mixing reaction is reduced.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a reaction device before dehydration for dimethyl ether production, blades are driven to rotate through a rotating shaft, the floating bubbles are crushed into smaller bubbles through the rotation of the blades, the volume of the bubbles is reduced, the contact area of high-pressure synthesis gas and mixed liquid is increased, the reaction effect is improved, the mixed liquid is driven to rotate in a vortex shape while the bubbles are crushed through the blades, the crushed bubbles are driven by vortex to diffuse around, the bubbles are prevented from being polymerized and enlarged when floating upwards, and the contact effect with the mixed liquid is improved.
The purpose of the invention can be realized by the following technical scheme:
a reaction device before dehydration for dimethyl ether production comprises a treatment tank, wherein a fixed frame is fixedly connected to the bottom of the treatment tank, a bubbling assembly is arranged in the middle of the inside of the fixed frame, the bubbling assembly comprises an air inlet cylinder, the air inlet cylinder is fixedly connected to the top of the fixed frame, the top end of the air inlet cylinder extends into the treatment tank, a plurality of groups of micropores in a circumferential array are formed in the top of the air inlet cylinder, a rotating shaft is rotatably connected to the air inlet cylinder, the top of the rotating shaft penetrates through the air inlet cylinder and is fixedly connected with a plurality of groups of blades, a first motor is fixedly connected to the inside of the fixed frame, and the output end of the first motor is connected with the bottom end of the rotating shaft; and an air supply assembly is arranged on one side of the treatment tank and is connected with the air inlet cylinder.
As a further scheme of the invention: the rotating shaft is fixedly connected with a shaft seal, and the shaft seal is attached to the outer wall of the top of the air inlet cylinder and used for sealing the rotating position of the rotating shaft.
As a further scheme of the invention: the outer wall of the rotating shaft is fixedly connected with a plurality of groups of baffles which are attached to the inner wall of the top of the air inlet cylinder.
As a further scheme of the invention: the air supply assembly comprises an air pump, the air pump is fixedly connected to the side wall of the treatment tank, an air inlet pipe is fixedly connected to the output end of the air pump, and one end, far away from the air pump, of the air inlet pipe is connected with the air inlet cylinder.
As a further scheme of the invention: handle tank deck portion and rotate and be connected with the hollow tube, the hollow tube lower extreme extends to inside the processing jar, and the connecting plate that two sets of symmetries of outer wall fixed connection set up, the one end fixedly connected with scraper blade of hollow tube is kept away from to the connecting plate, the scraper blade pastes with the processing jar inner wall, handle tank deck portion fixedly connected with second motor, second motor output is connected with the hollow tube through the gear train.
As a further scheme of the invention: the hollow tube bottom is rotated and is connected with fixed box, fixed box outer wall equidistant array has the multiunit temperature control stick, handle tank deck portion outer wall fixedly connected with support frame, support frame bottom fixedly connected with control line sleeve pipe, the control line sleeve pipe runs through the hollow tube and is connected with the multiunit temperature control stick on the fixed box.
As a further scheme of the invention: the outer walls of the temperature control rods are fixedly connected with heat conduction rings together, and the heat conduction rings are used for heating the interior of the treatment tank.
As a further scheme of the invention: the bubbling assembly is provided with a group, and an air inlet cylinder in the bubbling assembly is fixedly connected to the middle of the top of the fixing frame.
As a further scheme of the invention: the bubbling assemblies are arranged at the top of the fixing frame in two groups and are symmetrically arranged, the air inlet cylinders in the bubbling assemblies are communicated through a connecting pipe, the bottom ends of the rotating shafts are fixedly connected with gears, and the gears in the two groups are meshed and connected.
The invention has the beneficial effects that:
1. according to the invention, the rotating shaft drives the blades to rotate, and the floating bubbles are crushed into smaller bubbles by the rotation of the blades, so that the volume of the bubbles is reduced, the contact area of the high-pressure synthesis gas and the mixed liquid is increased, and the reaction effect is improved.
2. According to the invention, the mixed liquid is driven to rotate in a vortex shape while the bubbles are crushed by the blades, so that the crushed bubbles are driven by the vortex to diffuse around, the bubbles are prevented from being polymerized and enlarged when floating upwards, and the effect of contacting with the mixed liquid is improved.
3. According to the invention, the two groups of blades rotate oppositely to drive the mixed liquid to form two oppositely rotating vortexes, the two oppositely rotating vortexes collide with each other to drive the bubbles floating in the mixed liquid after being crushed to synchronously rotate and collide with each other, so that the bubbles are crushed, the volume of the bubbles is reduced, and the effect of the reaction of the bubbles and the mixed liquid is improved.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the second embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of the bubbling assembly in the present invention;
FIG. 4 is a schematic top view of the intake manifold of the present invention;
FIG. 5 is a schematic view showing a structure of connecting a temperature control rod and a heat conductive ring according to the present invention;
FIG. 6 is an enlarged view of the portion A in FIG. 1 according to the present invention.
In the figure: 1. a treatment tank; 101. a feed pipe; 102. a discharge pipe; 103. an exhaust pipe; 104. a pressure control valve; 2. a fixed mount; 3. a bubbling assembly; 301. an air inlet cylinder; 3011. micropores; 302. a rotating shaft; 3021. shaft sealing; 303. a blade; 304. a first motor; 305. a baffle plate; 306. a gear; 307. a connecting pipe; 4. a gas supply assembly; 401. an air pump; 402. an air inlet pipe; 5. a hollow tube; 501. a second motor; 502. a gear set; 503. a connecting plate; 504. a squeegee; 6. a fixing box; 601. a temperature control rod; 602. a heat conducting ring; 603. a support frame; 604. and a control wire sleeve.
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.
As shown in fig. 1, 3, 4, 5 and 6, a pre-dehydration reaction device for dimethyl ether production comprises a treatment tank 1, wherein a feeding pipe 101, an exhaust pipe 103 and a pressure control valve 104 are arranged at the top of the treatment tank 1, the feeding pipe 101 is used for feeding materials into the treatment tank 1, the exhaust pipe 103 is used for discharging gas after mixed reaction for dehydration, the pressure control valve 104 is used for controlling the pressure in the treatment tank 1, a discharging pipe 102 is arranged at the bottom of one side of the treatment tank 1, the discharging pipe 102 is used for discharging crude products consisting of residual methanol, dimethyl ether and water in the treatment tank 1 after reaction, a fixing frame 2 is fixedly connected at the bottom of the treatment tank 1, a group of bubbling assemblies 3 is arranged in the middle of the fixing frame 2, the bubbling assembly 3 is used for supplying gas to high-pressure synthetic gas, the bubbling assembly 3 comprises an air inlet cylinder 301, the air inlet cylinder 301 is fixedly connected to the middle of the top of the fixing frame 2, the top end of the air inlet cylinder extends into the treatment tank 1, multiple groups of micropores 3011 in circumferential arrays are formed in the top of the air inlet cylinder 301, the volume of the high-pressure synthetic gas entering the treatment tank 1 is reduced, a rotating shaft 302 is rotatably connected to the air inlet cylinder 301, the top of the rotating shaft 302 penetrates through the air inlet cylinder 301 and is fixedly connected with multiple groups of blades 303, the multiple groups of blades 303 crush the bubbles in the mixed liquid and reduce the volume of the bubbles, a first motor 304 is fixedly connected to the inside of the fixing frame 2, and the output end of the first motor 304 is connected with the bottom of the rotating shaft 302 for driving; and an air supply assembly 4 is arranged on one side of the treatment tank 1, and the air supply assembly 4 is connected with the air inlet cylinder 301 and is used for sending the high-pressure synthesis gas into the air inlet cylinder 301.
As shown in fig. 1 and 3, a shaft seal 3021 is fixedly connected to the rotating shaft 302, the shaft seal 3021 is attached to the top outer wall of the air inlet barrel 301 and is used for sealing the rotating position of the rotating shaft 302, and when the rotating shaft 302 rotates, liquid in the treatment tank 1 is prevented from entering the air inlet barrel 301, so that the sealing performance of the movable connection between the rotating shaft 302 and the air inlet barrel 301 is improved.
As shown in fig. 1 and 3, the outer wall of the rotating shaft 302 is fixedly connected with a plurality of groups of baffles 305, the plurality of groups of baffles 305 are attached to the inner wall of the top of the air inlet cylinder 301, when the rotating shaft 302 rotates, the baffles 305 are driven to rotate, the baffles 305 rotate to intermittently seal a plurality of groups of micropores 3011 formed in the top of the air inlet cylinder 301, so that gas exhausted from the micropores 3011 is intermittently exhausted, and formation of large bubbles is avoided.
As shown in fig. 1, the air supply assembly 4 includes an air pump 401, the air pump 401 is fixedly connected to the side wall of the treatment tank 1, an air inlet pipe 402 is fixedly connected to the output end of the air pump 401, one end of the air inlet pipe 402, which is far away from the air pump 401, is connected to the air inlet cylinder 30, air is supplied to the inside of the air inlet cylinder 301, and the air inlet end of the air pump 401 is communicated with the high-pressure synthetic gas storage tank.
As shown in fig. 1, the top of the treatment tank 1 is rotatably connected with a hollow tube 5, the lower end of the hollow tube 5 extends to the inside of the treatment tank 1, and the outer wall is fixedly connected with two sets of connecting plates 503 which are symmetrically arranged, one end of the connecting plate 503, which is far away from the hollow tube 5, is fixedly connected with a scraper 504, the scraper 504 is attached to the inner wall of the treatment tank 1, the top of the treatment tank 1 is fixedly connected with a second motor 501, the output end of the second motor 501 is connected with the hollow tube 5 through a gear set 502, the hollow tube 5 is driven to rotate by the connecting plate 503, the scraper 504 rotates to scrape off the attached impurities on the inner wall of the treatment tank 1, the impurities are prevented from attaching on the inner wall of the treatment tank 1, the convenience of cleaning and the protection on the inner wall of the treatment tank 1 are improved, the gear set 502 is composed of two sets of transmission gears, the two sets of transmission gears are respectively and fixedly connected to the output end of the second motor 501 and the hollow tube 5, and are meshed with each other.
As shown in fig. 1 and 5, the bottom of hollow tube 5 is rotatably connected with fixing box 6, the equidistant array of the outer wall of fixing box 6 has multiple groups of temperature control rods 601, the multiple groups of temperature control rods 601 heat catalyst and mineral oil in the interior of processing tank 1, compared with the heating by steam in the exterior of processing tank 1, the heating efficiency is improved, heat loss is reduced, the outer wall of the top of processing tank 1 is fixedly connected with a support frame 603, the bottom of support frame 603 is fixedly connected with a control wire sleeve 604, control wire sleeve 604 penetrates through hollow tube 5 and is connected with the multiple groups of temperature control rods 601 on fixing box 6, a control wire penetrates through control wire sleeve 604 and is electrically connected with temperature control rods 601, power supply control is carried out, the top of hollow tube 5 is attached to the bottom of support frame 603, when hollow tube 5 rotates, support frame 603 controls fixing box 6 not to rotate along with hollow tube 5 through control wire sleeve 604, the outer wall of multiple groups of temperature control rods 601 is fixedly connected with heat conduction rings 602, heat conduction rings 602 are used for heating the interior of processing tank 1, the heating coverage is increased, and the heating uniformity is improved.
The working principle of the invention is as follows: when the device is used by a user, a catalyst and mineral oil are added into the treatment tank 1 through the feeding pipe 101, then a control power supply is externally connected through a control line inside the control line sleeve 604 and is used for starting the temperature control rod 601 to heat the inside of the treatment tank 1, a plurality of groups of temperature control rods 601 heat the inside of the treatment tank 1 to increase the heating effect, the initial heating temperature of the temperature control rods 601 is controlled at 350 ℃, when the temperature of the catalyst and the mineral oil inside the treatment tank 1 rises to 250 ℃, the temperature control rods 601 are controlled to be reduced to 250 ℃ to be kept, meanwhile, when the temperature of the catalyst and the mineral oil inside the treatment tank 1 rises, the pressure inside the treatment tank 1 is synchronously increased along with the heat, the pressure inside the treatment tank 1 is controlled at 5.17MPa through the pressure control valve 104, when the pressure is higher than 5.17MPa, the pressure control valve 104 discharges redundant pressure, the pressure is lower than 5.17MPa, the pressure control valve 104 is closed, and then the first motor 304 is started, the first motor 304 drives the blade 303 to rotate through the rotating shaft 302 to stir and mix the catalyst and the mineral oil, after the mixing is completed, the air pump 401 is started, the air pump 401 sends the high-pressure synthesis gas into the air inlet cylinder 301 through the air inlet pipe 402, the high-pressure synthesis gas is blown into the mixed liquid of the catalyst and the mineral oil in the treatment tank 1 through the micropores 3011 at the top of the air inlet cylinder 301, bubbles are formed in the mixed liquid, the bubble bubbling size is reduced through the arrangement of the micropores 3011, and when the mixed liquid is soaked from the micropores 3011, the rotating shaft 302 drives the blade 303 to rotate, the blade 303 rotates to crush the floating bubbles into smaller bubbles, the volume of the bubbles is reduced, the contact area of the high-pressure synthesis gas and the mixed liquid is increased, the reaction effect is improved, meanwhile, the blade 303 crushes the bubbles and simultaneously drives the mixed liquid to rotate in a vortex shape, so that the crushed bubbles are driven by the vortex to diffuse all around, when bubbles are prevented from floating upward, the polymerization is enlarged, the effect of contact with the mixed liquid is improved, and then dimethyl ether, methanol and CO2 are generated and discharged to the next process through the exhaust pipe 103 for cooling and dehydration.
In the present invention, the pressure inside the treatment tank 1 is in the range of 2.76 to 10.34MPa, preferably 5.17MPa; the temperature is 200-350 ℃, the preferred temperature is 250 ℃, the catalyst amount is 5-60 percent, the preferred catalyst amount is 5-25 percent of the mineral oil mass, and the used raw material gas is coal-based synthesis gas.
Example 2:
as shown in fig. 2, compared with embodiment 1, further, there are two sets of bubbling assemblies 3 symmetrically disposed on the top of the fixing frame 2, the air inlet cylinders 301 in the two sets of bubbling assemblies 3 are communicated with each other through a connecting pipe 307, the bottom ends of the rotating shafts 302 in the two sets of bubbling assemblies 3 are fixedly connected with gears 306, the two sets of gears 306 are meshed with each other to make the two sets of rotating shafts 302 rotate in opposite directions, and the first motor 304 is fixedly connected with one set of rotating shafts 302 in the two sets of bubbling assemblies 3.
The working principle is as follows: air feed subassembly 4 sends into high-pressure synthetic gas in the air inlet cylinder 301 in a set of tympanic bulla subassembly 3, tympanic bulla subassembly 3 sends into the air inlet cylinder 301 in another group tympanic bulla subassembly 3 through connecting pipe 307, then send into processing jar 1 inside with high-pressure synthetic gas through the micropore 3011 at air inlet cylinder 301 top in two sets of tympanic bulla subassemblies 3, can increase the air output, two sets of gears 306 drive the pivot 302 counter rotation in two sets of tympanic bulla subassemblies 3 simultaneously, two sets of pivot 302 drive two sets of blades 303 and rotate in mixed liquid, two sets of blades 303 counter rotation, it forms two counter rotation's vortex to drive mixed liquid, strike between two counter rotation's vortex, drive the mixed liquid striking of bubble synchronous rotation of come-up in the breakage back, carry out the breakage to the bubble, reduce the volume of bubble.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (9)

1. The reaction device before dehydration for dimethyl ether production comprises a treatment tank (1) and is characterized in that a fixing frame (2) is fixedly connected to the bottom of the treatment tank (1), a bubbling assembly (3) is arranged inside the fixing frame (2), the bubbling assembly (3) comprises an air inlet cylinder (301), the air inlet cylinder (301) is fixedly connected to the top of the fixing frame (2), the top end of the air inlet cylinder extends into the treatment tank (1), multiple groups of micropores (3011) in a circumferential array are formed in the top of the air inlet cylinder (301), a rotating shaft (302) is rotatably connected to the air inlet cylinder (301), the top of the rotating shaft (302) penetrates through the air inlet cylinder (301) and is fixedly connected with multiple groups of blades (303), a first motor (304) is fixedly connected to the inside of the fixing frame (2), and the output end of the first motor (304) is connected with the bottom end of the rotating shaft (302);
the air supply device is characterized in that an air supply assembly (4) is arranged on one side of the treatment tank (1), and the air supply assembly (4) is connected with the air inlet cylinder (301).
2. The reaction device before dehydration for dimethyl ether production according to claim 1, wherein a shaft seal (3021) is fixedly connected to the rotating shaft (302), and the shaft seal (3021) is attached to the outer wall of the top of the air inlet cylinder (301) and used for sealing the rotating position of the rotating shaft (302).
3. The reaction unit before dehydration for dimethyl ether production according to claim 1, wherein a plurality of sets of baffles (305) are fixedly connected to the outer wall of the rotating shaft (302), and the plurality of sets of baffles (305) are attached to the inner wall of the top of the air inlet cylinder (301).
4. The reaction unit before dehydration for dimethyl ether production according to claim 1, wherein the gas supply component (4) comprises a gas pump (401), the gas pump (401) is fixedly connected to the side wall of the treatment tank (1), the output end of the gas pump (401) is fixedly connected with a gas inlet pipe (402), and one end of the gas inlet pipe (402) far away from the gas pump (401) is connected with the gas inlet cylinder (301).
5. The reaction unit before dehydration for dimethyl ether production according to claim 1, wherein the top of the treatment tank (1) is rotatably connected with a hollow tube (5), the lower end of the hollow tube (5) extends into the treatment tank (1), and the outer wall of the treatment tank is fixedly connected with two sets of symmetrically arranged connecting plates (503), one end of the connecting plate (503) far away from the hollow tube (5) is fixedly connected with a scraper (504), the scraper (504) is attached to the inner wall of the treatment tank (1), the top of the treatment tank (1) is fixedly connected with a second motor (501), and the output end of the second motor (501) is connected with the hollow tube (5) through a gear set (502).
6. The reaction device before dehydration for dimethyl ether production according to claim 5, wherein the bottom of the hollow tube (5) is rotatably connected with a fixed box (6), the outer wall of the fixed box (6) is provided with a plurality of groups of temperature control rods (601) in an equidistant array, the outer wall of the top of the treatment tank (1) is fixedly connected with a support frame (603), the bottom of the support frame (603) is fixedly connected with a control wire sleeve (604), and the control wire sleeve (604) penetrates through the hollow tube (5) to be connected with the plurality of groups of temperature control rods (601) on the fixed box (6).
7. The reaction device before dehydration for dimethyl ether production according to claim 6, wherein the outer walls of the plurality of groups of temperature control rods (601) are fixedly connected with a heat conduction ring (602), and the heat conduction ring (602) is used for heating the inside of the treatment tank (1).
8. The reaction device before dehydration for dimethyl ether production according to any one of claims 1 to 7, wherein said bubbling assembly (3) has a group, and the air inlet cylinder (301) in said bubbling assembly (3) is fixedly connected to the middle of the top of the fixing frame (2).
9. The reaction device before dehydration for dimethyl ether production according to any one of claims 1 to 7 wherein there are two sets of said bubbling assemblies (3) symmetrically disposed on the top of the fixed frame (2), the air inlet cylinders (301) of the two sets of said bubbling assemblies (3) are connected to each other through a connecting pipe (307), the bottom ends of the two sets of said rotating shafts (302) are fixedly connected to gears (306), and the two sets of said gears (306) are engaged with each other.
CN202210792131.2A 2022-07-05 2022-07-05 Reaction unit before dimethyl ether production is with dehydration Pending CN115253930A (en)

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CN202210792131.2A CN115253930A (en) 2022-07-05 2022-07-05 Reaction unit before dimethyl ether production is with dehydration

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CN103537223A (en) * 2013-10-25 2014-01-29 吴江市永利工艺制品有限责任公司 Heating agitator
CN105032301A (en) * 2015-06-01 2015-11-11 南京工业大学 Reaction device and process for producing polyoxyethylene
CN207175491U (en) * 2017-07-17 2018-04-03 南通双睿节能环保科技有限公司 A kind of Industrial Waste Water Treatments heater
CN208857013U (en) * 2018-08-07 2019-05-14 四川宏佳蚓生物科技有限公司 A kind of aerator of uniform high-efficiency
CN110117089A (en) * 2019-06-28 2019-08-13 江苏远宏生态科技有限公司 A kind of micro-nano Air Exposure equipment of black and odorous water
CN213590421U (en) * 2020-10-21 2021-07-02 江苏盛信特种装备有限公司 Hydrogenation reaction kettle
CN215028787U (en) * 2020-12-21 2021-12-07 浙江工业大学 Stirring reaction kettle with composite stirrer

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970019844A (en) * 1995-10-25 1997-05-28 박세준 Mixing device of liquid and air
CN103537223A (en) * 2013-10-25 2014-01-29 吴江市永利工艺制品有限责任公司 Heating agitator
CN105032301A (en) * 2015-06-01 2015-11-11 南京工业大学 Reaction device and process for producing polyoxyethylene
CN207175491U (en) * 2017-07-17 2018-04-03 南通双睿节能环保科技有限公司 A kind of Industrial Waste Water Treatments heater
CN208857013U (en) * 2018-08-07 2019-05-14 四川宏佳蚓生物科技有限公司 A kind of aerator of uniform high-efficiency
CN110117089A (en) * 2019-06-28 2019-08-13 江苏远宏生态科技有限公司 A kind of micro-nano Air Exposure equipment of black and odorous water
CN213590421U (en) * 2020-10-21 2021-07-02 江苏盛信特种装备有限公司 Hydrogenation reaction kettle
CN215028787U (en) * 2020-12-21 2021-12-07 浙江工业大学 Stirring reaction kettle with composite stirrer

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Application publication date: 20221101