CN210752661U

CN210752661U - Methane chemical chain reforming synthesis reaction device

Info

Publication number: CN210752661U
Application number: CN201921499305.6U
Authority: CN
Inventors: 薛秀丽; 王俊勇; 胡小芳
Original assignee: Yunnan Vocational College Of Mechanical And Electrical Technology
Current assignee: Yunnan Vocational College Of Mechanical And Electrical Technology
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-16
Anticipated expiration: 2029-09-10

Abstract

The utility model relates to a chemical reaction jar technical field just discloses a methane chemical chain reforming system synthetic reaction unit, including the retort jar body and retort cover, retort cover fixed mounting is at retort jar body top, install driving motor in the middle of the retort cover top, driving motor output fixedly connected with pivot, the activity of pivot bottom runs through in the retort cover, and the pivot bottom extends to retort jar internal portion, the pivot outside fixedly connected with stirring leaf of retort jar internal portion. The utility model discloses, the stirring leaf adopts sleeve and four group's metal orifice plates to constitute, and four group's metal orifice plates are driven by driving motor and are rotated, react with first air shower nozzle spun methane and second air shower nozzle spun vapor respectively, have improved metal orifice plate and gaseous contact rate and area of contact for carry out the high-speed reaction under gaseous and the metal orifice plate high temperature, improve reaction efficiency and conversion rate.

Description

Methane chemical chain reforming synthesis reaction device

Technical Field

The utility model relates to a chemical reaction jar technical field specifically is a methane chemical chain reforming system synthetic reaction unit.

Background

With the increasing prominence of energy crisis, environmental pollution and other problems, natural gas as a high-quality clean energy plays an increasingly important role in modern society. Syngas is an important intermediate product of natural gas chemical industry. The current commercial production of synthesis gas is achieved primarily by steam reforming of methane.

Chemical-looping reforming is a new synthesis gas preparation technology proposed in recent years, namely, methane is partially oxidized by using metal oxygen to generate synthesis gas. The chemical chain reforming is formed by connecting a fuel reactor and an oxidation reactor in series, and the metal oxidation carrier used in the series combination is formed by a plurality of groups of metal oxidation pore plates to react with entering methane or steam, but the reforming mode has the defect that the reaction efficiency of gas and the metal oxidation carrier is low passively, and simultaneously the discharged gas has the problem of easy mixing of the steam.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a methane chemical chain reforming system synthetic reaction unit possesses gaseous can with quick abundant and metal oxide carrier reaction, improves reaction efficiency's advantage, can effectively separate the hydrogen and the carbon monoxide gas of vapor and reforming simultaneously, has solved the reforming inefficiency that methane chemical chain reforming appears, the problem of a large amount of vapor of reformed gas mixture.

(II) technical scheme

For realizing the above-mentioned shock attenuation purpose of preventing falling, the utility model provides a following technical scheme: a methane chemical chain reforming system synthesis reaction device comprises a reaction tank body and a reaction tank cover, wherein the reaction tank cover is fixedly installed at the top of the reaction tank body, a driving motor is installed in the middle of the top of the reaction tank cover, a rotating shaft is fixedly connected with the output end of the driving motor, the bottom end of the rotating shaft movably penetrates through the reaction tank cover, the bottom end of the rotating shaft extends to the inside of the reaction tank body, a stirring blade is fixedly connected with the outer side of the rotating shaft of the inside of the reaction tank body, an electric heating wire is fixedly installed on the inner wall of the reaction tank body outside the stirring blade, a glass tube is sleeved on the outer side of the electric heating wire, a first air inlet branch tube is fixedly installed at the bottom of the reaction tank cover, a plurality of groups of first air nozzles are installed on the lower end face of the first air inlet branch tube, a first air inlet main tube is communicated with the upper end face of the, the internal wall fixed mounting of retort jar between stirring leaf top and the first branch air inlet pipe below has the second branch air inlet pipe, a plurality of groups of second air shower nozzle are installed to the terminal surface slope under the second branch air inlet pipe, retort jar body one side fixed mounting has the water tank, electric heating pipe is installed to the inside bottom of water tank, the second branch air inlet pipe outside intercommunication has the second to admit air to be responsible for, the second is admitted air to be responsible for and is run through respectively in retort jar side wall and water tank lateral wall, and the second admits air to be responsible for one end and extend to the inside upper end of water tank, retort jar body bottom communicates respectively has first outlet duct and second outlet duct.

Preferably, the stirring blades comprise four groups of sleeves and metal pore plates, the four groups of metal pore plates are respectively and symmetrically distributed and welded on the outer surface of the sleeves, and the sleeves are fixedly connected to the outer side of the rotating shaft.

Preferably, the water tank outside intercommunication has the inlet tube, the inlet tube is installed the ball-cock assembly in the inside one end of water tank.

Preferably, first air inlet branch pipe and second air inlet branch pipe are the loop configuration, and between first air inlet branch pipe and retort cover bottom to and between second air inlet branch pipe and the internal wall of retort jar equal fixed mounting have U type clamp.

Preferably, a first valve and a second valve are respectively installed at the outer parts of the first air outlet pipe and the second air outlet pipe, and one-way valves are respectively installed at the outer parts of the first air inlet main pipe and the second air inlet main pipe.

Preferably, handles are welded on two sides of the upper surface of the tank cover of the reaction tank, and the tank cover of the reaction tank is in threaded connection with the tank body of the reaction tank.

(III) advantageous effects

Compared with the prior art, the utility model provides a synthetic reaction unit is made in methane chemical chain reforming system possesses following beneficial effect:

1. the stirring blade in the methane chemical-looping reforming synthesis reaction device is composed of a sleeve and four groups of metal pore plates, wherein the four groups of metal pore plates are driven by a driving motor to rotate and respectively react with methane sprayed by a first air nozzle and water vapor sprayed by a second air nozzle, so that the contact rate and the contact area of the metal pore plates and gas are improved, the gas and the metal pore plates are subjected to rapid reaction at high temperature, and the reaction efficiency and the conversion rate are improved.

2. The setting of first outlet duct and second outlet duct closes first valve, and after vapor and metal pore plate reacted, remaining vapor was extruded from the second outlet duct of retort jar body bottom by reentrant methane to the body inside, and the remaining vapor of the internal portion of reduction retort jar goes out from first outlet duct with mist.

Drawings

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

FIG. 2 is a schematic view of the structure of the stirring blade of the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 1 according to the present invention.

In the figure: 1. a reaction tank body; 2. a reaction tank cover; 3. a drive motor; 4. a rotating shaft; 5. stirring blades; 501. a sleeve; 502. a metal orifice plate; 6. an electric heating wire; 7. a first intake branch pipe; 8. a first air nozzle; 9. a first main intake pipe; 10. a water tank; 11. an electric heating tube; 12. a second intake branch pipe; 13. a second air nozzle; 14. a second main intake pipe; 15. a first air outlet pipe; 16. a second air outlet pipe; 17. a first valve; 18. a second valve; 19. a water inlet pipe; 20. a float valve; 21. u type clamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a methane chemical-looping reforming synthesis reaction device comprises a reaction tank body 1 and a reaction tank cover 2, wherein the reaction tank cover 2 is fixedly installed at the top of the reaction tank body 1, a driving motor 3 is installed in the middle of the top of the reaction tank cover 2, the model of the driving motor 3 is YE2200L-4, the output end of the driving motor 3 is fixedly connected with a rotating shaft 4, the bottom end of the rotating shaft 4 movably penetrates through the reaction tank cover 2, the bottom end of the rotating shaft 4 extends into the reaction tank body 1, a stirring blade 5 is fixedly connected with the outer side of the rotating shaft 4 in the reaction tank body 1, an electric heating wire 6 is fixedly installed on the inner wall of the reaction tank body 1 outside the stirring blade 5, a glass tube is sleeved on the outer side of the electric heating wire 6, a first air inlet branch tube 7 is fixedly installed at the bottom of the reaction tank cover 2, a plurality of groups of first air nozzles 8 are installed on, the upper end surface of the first air inlet branch pipe 7 is communicated with a first air inlet main pipe 9, the upper end of the first air inlet main pipe 9 penetrates and extends to the upper part of the reaction tank cover 2, a second air inlet branch pipe 12 is fixedly arranged on the inner wall of the reaction tank body 1 between the upper part of the stirring blade 5 and the lower part of the first air inlet branch pipe 7, a plurality of groups of second air nozzles 13 are obliquely arranged on the lower end surface of the second air inlet branch pipe 12, a water tank 10 is fixedly arranged on one side of the reaction tank body 1, an electric heating pipe 11 is arranged at the bottom end in the water tank 10, wherein the model number of the electric heating pipe 11 is DN40, the outer side of the second air inlet branch pipe 12 is communicated with a second air inlet main pipe 14, the second main gas inlet pipe 14 respectively penetrates through the side wall of the reaction tank body 1 and the side wall of the water tank 10, one end of the second main gas inlet pipe 14 extends to the upper end of the interior of the water tank 10, and the bottom of the reaction tank body 1 is respectively communicated with a first gas outlet pipe 15 and a second gas outlet pipe 16; water in the water tank 10 is rapidly heated by the electric heating pipe 11 to evaporate water vapor, the water vapor enters the second air inlet branch pipe 12 from the second air inlet main pipe 14, the water vapor is sprayed out from the second air nozzle 13 to the interior of the reaction tank body 1 to be rapidly diffused, the driving motor 3 drives the rotating shaft 4 and the metal pore plate 502 to rotate at a high speed, the water vapor and the metal pore plate 502 rapidly react in the interior of the high-temperature reaction tank body 1 heated by the electric heating wire 6, so that the metal pore plate 502 generates a metal oxidation carrier, the second valve 18 is opened, excessive water vapor is discharged from the second air outlet pipe 16, methane gas enters the first air inlet branch pipe 7 from the first air inlet main pipe 9, the methane gas is sprayed out from the first air nozzle 8 to be diffused in the interior of the reaction tank body 1 at a high speed, the second valve 18 is closed after the water vapor in the interior of the reaction tank body 1 is discharged from the second air outlet pipe 16 by the methane gas, the driving motor 3 drives the rotating shaft 4 and, the first valve 17 is opened, the reacted gas is discharged from the first gas outlet pipe 15, and the steps are repeated to continuously carry out the methane chemical-looping reforming synthesis reaction.

Further, the stirring blade 5 comprises four groups of sleeves 501 and metal hole plates 502, the four groups of metal hole plates 502 are respectively and symmetrically distributed and welded on the outer surface of the sleeve 501, and the sleeve 501 is fixedly connected to the outer side of the rotating shaft 4; the metal orifice plate 502 is used for reacting with water vapor to form a metal oxide carrier, and then reacting with methane gas.

Further, a water inlet pipe 19 is communicated with the outer side of the water tank 10, and a ball float valve 20 is installed at one end of the water inlet pipe 19 in the water tank 10; the inlet pipe 19 is used to add a water source to the inside of the water tank 10, and the ball cock 20 is used to control the inflow of water to the inside of the water tank 10.

Furthermore, the first air inlet branch pipe 7 and the second air inlet branch pipe 12 are both of an annular structure, and U-shaped hoops 21 are fixedly arranged between the first air inlet branch pipe 7 and the bottom of the reaction tank cover 2 and between the second air inlet branch pipe 12 and the inner wall of the reaction tank body 1; the U-shaped clip 21 is used to fix the first intake branch pipe 7 and the second intake branch pipe 12.

Further, a first valve 17 and a second valve 18 are respectively installed outside the first air outlet pipe 15 and the second air outlet pipe 16, and a one-way valve is installed outside both the first main air inlet pipe 9 and the second main air inlet pipe 14; the one-way valve is used for preventing gas inside the reaction tank body 1 from flowing backwards.

Further, handles are welded on two sides of the upper surface of the reaction tank cover 2, and the reaction tank cover 2 and the reaction tank body 1 are installed in a threaded connection mode; the reaction tank cover 2 and the reaction tank body 1 which are connected and installed in a threaded manner are convenient to detach and install.

The working principle is that water in the water tank 10 is rapidly heated by the electric heating pipe 11 to evaporate water vapor, the water vapor enters the second air inlet branch pipe 12 from the second air inlet main pipe 14, the water vapor is sprayed out from the second air nozzle 13 to the interior of the reaction tank body 1 to rapidly diffuse, the driving motor 3 drives the rotating shaft 4 and the metal pore plate 502 to rotate at a high speed, the water vapor and the metal pore plate 502 rapidly react in the high-temperature reaction tank body 1 heated by the electric heating wire 6, so that the metal pore plate 502 generates a metal oxidation carrier, the second valve 18 is opened, excessive water vapor is discharged from the second air outlet pipe 16, methane gas enters the first air inlet branch pipe 7 from the first air inlet main pipe 9, the methane gas is sprayed out from the first air nozzle 8 to diffuse in the interior of the reaction tank body 1 at a high speed, the second valve 18 is closed after the water vapor in the interior of the reaction tank body 1 is exhausted from the second air outlet pipe 16, the driving motor 3 drives the rotating shaft 4 and the metal oxidation carrier to rapidly and, the first valve 17 is opened, the reacted gas is discharged from the first gas outlet pipe 15, and the steps are repeated to continuously carry out the methane chemical-looping reforming synthesis reaction.

In conclusion, the stirring blade in the reaction device for methane chemical-looping reforming synthesis is composed of the sleeve and four groups of metal pore plates, the four groups of metal pore plates are driven by the driving motor to rotate and respectively react with methane sprayed by the first air nozzle and water vapor sprayed by the second air nozzle, so that the contact rate and the contact area of the metal pore plates and gas are improved, the gas and the metal pore plates can rapidly react at high temperature, and the reaction efficiency and the conversion rate are improved;

the setting of first outlet duct and second outlet duct closes first valve, and after vapor and metal pore plate reacted, remaining vapor was extruded from the second outlet duct of retort jar body bottom by reentrant methane to the body inside, and the remaining vapor of the internal portion of reduction retort jar goes out from first outlet duct with mist.

The driving motor 3, the electric heating wire 6 and the electric heating tube 11 are all connected with an external power supply and a switch, and the specific connection mode and the use method are all the prior art, and are not described herein.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "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. The utility model provides a synthetic reaction unit is made in reforming of methane chemical chain, includes that the retort jar body (1) and retort cover (2), its characterized in that: the reaction tank cover (2) is fixedly installed at the top of the reaction tank body (1), a driving motor (3) is installed in the middle of the top of the reaction tank cover (2), a rotating shaft (4) is fixedly connected with the output end of the driving motor (3), the bottom of the rotating shaft (4) is movably penetrated through the reaction tank cover (2), the bottom of the rotating shaft (4) extends to the inside of the reaction tank body (1), a stirring blade (5) is fixedly connected with the outer side of the rotating shaft (4) in the inside of the reaction tank body (1), an electric heating wire (6) is fixedly installed on the inner wall of the reaction tank body (1) at the outer side of the stirring blade (5), a glass tube is sleeved on the outer side of the electric heating wire (6), a first air inlet branch tube (7) is fixedly installed at the bottom of the reaction tank cover (2), a plurality of groups of first air nozzles (8) are installed, the utility model discloses a reactor, including a reaction tank cover (2), a first air inlet branch pipe (7), a stirring leaf (5), a reaction tank body (1) and a water tank (10), wherein the upper end of the first air inlet branch pipe (7) is communicated with a first air inlet main pipe (9), the upper end of the first air inlet main pipe (9) runs through and extends to the top of the reaction tank cover (2), the inner wall fixed mounting of the reaction tank body (1) between the top of the stirring leaf (5) and the lower side of the first air inlet branch pipe (7) is provided with a second air inlet branch pipe (12), the lower end face of the second air inlet branch pipe (12) is obliquely provided with a plurality of groups of second air nozzles (13), one side fixed mounting of the reaction tank body (1) is provided with the water tank (10), the bottom inside of the water tank (10) is provided with an electric heating pipe (11), the outer side of the second air inlet branch pipe (12) is communicated with a second air inlet main pipe (14), the bottom of the reaction tank body (1) is respectively communicated with a first air outlet pipe (15) and a second air outlet pipe (16).

2. The apparatus for methane chemical looping reforming synthesis reaction according to claim 1, wherein: the stirring blades (5) comprise four groups of sleeves (501) and metal pore plates (502), the four groups of metal pore plates (502) are respectively and symmetrically distributed and welded on the outer surface of the sleeves (501), and the sleeves (501) are fixedly connected to the outer side of the rotating shaft (4).

3. The apparatus for methane chemical looping reforming synthesis reaction according to claim 1, wherein: the water tank (10) outside intercommunication has inlet tube (19), ball-cock assembly (20) are installed in inlet tube (19) inside one end in water tank (10).

4. The apparatus for methane chemical looping reforming synthesis reaction according to claim 1, wherein: first air inlet branch pipe (7) and second air inlet branch pipe (12) are the loop configuration, and between first air inlet branch pipe (7) and retort cover (2) bottom to and equal fixed mounting has U type clamp (21) between second air inlet branch pipe (12) and the retort jar body (1) inner wall.

5. The apparatus for methane chemical looping reforming synthesis reaction according to claim 1, wherein: first valve (17) and second valve (18) are installed respectively to first outlet duct (15) and second outlet duct (16) outside, the check valve is all installed to first air inlet main pipe (9) and second air inlet main pipe (14) outside.

6. The apparatus for methane chemical looping reforming synthesis reaction according to claim 1, wherein: the handle has all been welded to retort cover (2) upper surface both sides, retort cover (2) and the threaded connection installation of the retort jar body (1).