CN115197764A

CN115197764A - Coking inhibitor and mixing arrangement

Info

Publication number: CN115197764A
Application number: CN202210835494.XA
Authority: CN
Inventors: 杨述芳; 庞宏磊; 张贤; 李恩红; 程强玉
Original assignee: Beijing Polymer Technology Co ltd
Current assignee: Beijing Polymer Technology Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-10-18

Abstract

The invention discloses a coking inhibitor, which relates to the technical field of coking inhibitors, and comprises a swelling agent, a denitration agent, an oxidant, a sulfur-fixing agent, a combustion improver and a catalyst, wherein the components are in the following ratio: a swelling agent: 30-50%; a denitration agent: 30-50%; oxidizing agent: 5% -15%; a sulfur-fixing agent: 5 to 10 percent; combustion improver and catalyst: 5 to 15 percent. The coking inhibitor is a product specially aiming at inhibiting the copper smelting coking of the bottom-blowing furnace, avoids coking and dust deposition at the furnace mouth and the uptake flue of the bottom-blowing furnace in the copper smelting process, ensures that impurities in the mineral fuel are in a molten state at high temperature, is rapidly cooled and solidified when meeting low temperature, and partially adheres to the surface of the heating surface flue, and avoids the influence on production, the reduction of the operation rate and the like caused by the increase of the thickness.

Description

Coking inhibitor and mixing arrangement

Technical Field

The invention relates to the technical field of coking inhibitors, in particular to a coking inhibitor and a mixing device.

Background

The reasons for copper smelting coking are two: the characteristics of a bottom-blowing furnace and the characteristics of copper ore materials, coking and ash deposition at a furnace mouth and an ascending flue of the bottom-blowing furnace during the copper smelting process, impurities in mineral fuel which are in a molten state at high temperature and are rapidly cooled and solidified when meeting low temperature, part of the impurities are attached to the surface of the flue of a heated surface, the production is influenced along with the increase of the thickness, the operation rate is reduced, and the like.

Disclosure of Invention

The present invention is directed to a coking inhibitor and a mixing device to solve the problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the coking inhibitor consists of puffing agent, denitrating agent, oxidant, sulfur fixing agent, combustion promoter and catalyst.

The proportion of each component is as follows:

a swelling agent: 30 to 50 percent;

a denitration agent: 30-50%;

oxidizing agent: 5% -15%;

a sulfur-fixing agent: 5 to 10 percent;

combustion improver and catalyst: 5 to 15 percent.

The utility model provides a mixing arrangement that coking inhibitor production adopted, includes mount table, mixing mechanism and drive mechanism, and the upper end of mount table is connected with the catheter, and the unloading cavity with catheter bottom opening intercommunication is seted up to the inside of mount table, and the unloading cavity extends to the preceding terminal surface of mount table, and mixing mechanism includes the mixing drum, and inside the unloading cavity was put into to the mixing drum from the terminal surface before the mount table, just was used for accepting the raw materials that flows down from catheter bottom opening.

Drive mechanism includes motor and mounting panel, the right-hand member face at the mount table is fixed to the mounting panel, the up end at the mounting panel is fixed to the motor, the power shaft of motor is connected with the carousel, the upper end border position of carousel articulates there is the pull rod, the tip of pull rod articulates there is the regulation crossbeam, it slides and runs through inside the right-hand member face of mount table and extend to the unloading cavity, the regulation crossbeam is located the inside one end fixedly connected with of unloading cavity and can seals catheter bottom open-ended closing plate, it rotates to utilize the motor to provide power drive carousel, the one end of pull rod is followed the carousel and is made circular motion, the other end pulling of pull rod is adjusting crossbeam and closing plate along the inside reciprocal regulation of level of unloading cavity.

The upper end vertical fixation of closing plate is equipped with the driving lever that extends to the drain pipe inside, and the radial lateral wall of driving lever is fixed and is equipped with a plurality of puddler, and when the closing plate was followed and is adjusted the horizontal reciprocating adjustment position of crossbeam, a plurality of puddler synchronous motion that can drive driving lever and driving lever outer wall can carry out the preliminary mixing operation to the raw materials that do not derive in the drain pipe for the integration of raw materials improves mixing efficiency.

In further embodiment, the fixed support horizontal pole that is equipped with of inside top end opening lateral wall of mixing drum, the bottom rotation of supporting the horizontal pole is equipped with the connecting rod, the bottom mounting of connecting rod is equipped with the toper stirring board, the connecting rod rotates and to drive the toper stirring board and rotate inside the mixing drum, play the effect that the stirring was mixed, and simultaneously, the toper stirring board rotates the in-process and can strike off the operation to the inside bottom face of mixing drum, avoid having the caking raw materials to paste can't be fully fused at the inside bottom face of mixing drum, influence the quality of final coking inhibitor.

The upper end of connecting rod is rotated and is run through supporting beam back fixedly connected with tooth post, the direction breach has been seted up on the left side of the bottom of closing plate, the inside one side lateral wall of direction breach be equipped with the tooth's socket of tooth post meshing, when the closing plate horizontal reciprocating adjustment position, can pass through tooth's socket and tooth post meshing, make tooth post reciprocating rotation, thereby drive the connecting rod and just reverse the rotation, so that to the quick positive and negative stirring mixing operation of the inside raw materials of mixing drum, further improve the mixed fusion efficiency of raw materials.

In a further embodiment, the radial side wall of the connecting rod is fixedly provided with a scraper which is rotationally attached to the radial side wall inside the mixing cylinder through an extension rod.

In a further embodiment, the outer wall of the mixing cylinder is symmetrically provided with two pin shafts, a door-shaped support frame is arranged between the end parts of the two pin shafts, and after the door-shaped support frame and the mixing cylinder are pulled out from the blanking cavity, the mixing cylinder can turn around the rotating part of the pin shafts so as to pour the mixed raw materials conveniently.

In a further embodiment, the pin is located on the outer wall of the mixing drum one third away from the top end of the mixing drum.

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

according to the invention, the components of the coking inhibitor are mixed and stirred by adopting the mixing device, so that the finally produced coking inhibitor is ensured to be qualified, the coking inhibitor is a product specially aiming at inhibiting the copper smelting coking of the bottom-blowing furnace, the coking and dust deposition of a furnace mouth and an ascending flue of the bottom-blowing furnace in the copper smelting process are avoided, impurities in the mineral fuel are in a molten state at high temperature, and are solidified quickly when meeting low temperature, and part of the impurities are attached to the surface of a heating surface flue, so that the production is influenced by the increase of the thickness, the operation rate is reduced, and the like.

Drawings

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

FIG. 2 is an exploded view of the hybrid mechanism of the present invention;

FIG. 3 is a partial structural view of the transmission mechanism of the present invention;

fig. 4 is a partial structural sectional view of the transmission mechanism of the present invention.

In the figure: 1. an installation table; 11. a catheter; 2. a transmission mechanism; 21. mounting a plate; 22. a motor; 23. a turntable; 24. a pull rod; 25. adjusting the cross beam; 26. a sealing plate; 27. a deflector rod; 28. a stirring rod; 29. a tooth socket; 3. a mixing mechanism; 31. a door-shaped support frame; 32. a mixing drum; 33. a support rail; 34. a tooth post; 35. a connecting rod; 36. a conical stirring plate; 37. a scraper.

Detailed Description

The following will clearly and completely describe the technical solutions 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.

Example one

Referring to fig. 1-4, the present embodiment provides a coking inhibitor, which comprises a swelling agent, a denitration agent, an oxidant, a sulfur-fixing agent, a combustion improver, and a catalyst.

The proportion of each component is as follows:

a swelling agent: 30-50%,;

a denitration agent: 30-50%;

oxidizing agent: 5% -15%;

a sulfur-fixing agent: 5 to 10 percent;

combustion improver and catalyst: 5-15 percent of the raw materials are mixed according to the proportion, so that the finally produced coking inhibitor is ensured to be qualified, the coking inhibitor is a product specially used for inhibiting copper smelting coking of a bottom blowing furnace, coking and dust deposition at a furnace mouth and an ascending flue of the bottom blowing furnace in the copper smelting process are avoided, impurities in mineral fuel are in a molten state at high temperature, and are solidified quickly when meeting low temperature, part of the impurities are attached to the surface of a heating surface flue, the thickness of the impurities increases, the production is influenced, the operation rate is reduced, and the like.

The raising agent is heated and cracked in the high temperature area of the hearth, and airflow in the coal bed is stirred to promote ash or combustion product CO on the surface of carbon particles to be separated, so that the carbon particles are fully combusted. Sodium chloride is selected as the conventional leavening agent, but since sodium is an alkali ion, the melting point is lower at a specific temperature, which causes adverse effects.

The denitration agent is ammonium bicarbonate, and the composition can also have the denitration effect after being decomposed at high temperature.

Most of the oxidants are nitrates, so that the oxidants are easy to decompose under high temperature to cause the problem of overproof nitrogen oxides, and organic dibenzoyl peroxide is selected.

The sulfur-fixing agent is selected from traditional sulfur-fixing components, calcium oxide, calcium carbonate and the like.

The combustion improver and the catalyst are selected from traditional alumina and manganese oxide.

The utility model provides a mixing arrangement that coking inhibitor production adopted, including mount table 1, mixing mechanism 3 and drive mechanism 2, the upper end of mount table 1 is connected with catheter 11, the unloading cavity with catheter 11 bottom opening intercommunication is seted up to the inside of mount table 1, and the unloading cavity extends to the preceding terminal surface of mount table 1, mixing mechanism 3 includes mixing drum 32, mixing drum 32 is inside the unloading cavity is put into from the terminal surface before mount table 1, and be used for accepting the raw materials that flows down from catheter 11 bottom opening, the raw materials gets into the interior abundant mixing stirring of mixing drum 32, avoid appearing the phenomenon of caking, the coking inhibitor that leads to final production to come out is unqualified.

Drive mechanism 2 includes motor 22 and mounting panel 21, the right-hand member face at mount table 1 is fixed to mounting panel 21, motor 22 fixes the up end at mounting panel 21, motor 22's power shaft is connected with carousel 23, the upper end border position of carousel 23 articulates there is pull rod 24, the tip of pull rod 24 articulates there is the regulation crossbeam 25, it extends to inside the unloading cavity to adjust the crossbeam 25 and slide to run through the right-hand member face of mount table 1 after, the one end fixedly connected with that the regulation crossbeam 25 is located inside the unloading cavity can seal catheter 11 bottom open-ended closing plate 26, utilize motor 22 to provide power and drive carousel 23 and rotate, the one end of pull rod 24 is followed carousel 23 and is made circular motion, the other end pulling of pull rod 24 is adjusting crossbeam 25 and closing plate 26 and is reciprocating the regulation along the inside level of unloading cavity.

When the sealing plate 26 is adjusted to the right side following the adjusting beam 25, the bottom opening of the liquid guide tube 11 can be opened, and the raw material is led out from the bottom opening of the liquid guide tube 11 and dropped into the mixing cylinder 32.

When the sealing plate 26 adjusts the position to the left side along with the adjusting beam 25, the bottom opening of the liquid guide tube 11 can be sealed, the raw material is prevented from being guided out from the bottom opening of the liquid guide tube 11 and dripping into the mixing cylinder 32, so that the raw material is prevented from being guided into the mixing cylinder 32 from the liquid guide tube 11 at one time, a batch material guiding mode is adopted, full fusion among the raw materials is facilitated, and the phenomenon of agglomeration is avoided.

The upper end vertical fixation of closing plate 26 is equipped with the driving lever 27 that extends to catheter 11 inside, and the radial lateral wall of driving lever 27 is fixed and is equipped with a plurality of puddler 28, and closing plate 26 can drive a plurality of puddler 28 synchronous motion of driving lever 27 and driving lever 27 outer wall when following the reciprocal adjusting position of regulation crossbeam 25 level, can stir the operation in advance to the raw materials that do not derive in the catheter 11 for the integration of raw materials improves mixing efficiency.

And the components of the coking inhibitor are mixed and stirred by adopting a mixing device, so that the finally produced coking inhibitor is qualified.

Example two

Please refer to fig. 1-4, which are further improved based on the embodiment 1:

in order to further improve the efficiency that the raw materials mixes and fuses, it supports horizontal pole 33 to be fixed to be equipped with at the inside top end opening lateral wall of mixing drum 32, the bottom rotation that supports horizontal pole 33 is equipped with connecting rod 35, the bottom mounting of connecting rod 35 is equipped with toper stirring board 36, connecting rod 35 rotates and to drive toper stirring board 36 and rotate inside mixing drum 32, the effect that the stirring was mixed is played, and simultaneously, toper stirring board 36 rotates the in-process and can strike off the operation to the inside bottom face of mixing drum 32, avoid having the caking raw materials to paste and can't be fully fused at the inside bottom face of mixing drum 32, influence the quality of final coking inhibitor.

Connecting rod 35's upper end is rotated and is run through supporting beam back fixedly connected with tooth post 34, the direction breach has been seted up on the left side of the bottom of closing plate 26, the inside one side lateral wall of direction breach is equipped with the tooth's socket 29 with tooth post 34 meshing, when the horizontal reciprocal adjustment position of closing plate 26, can mesh with tooth post 34 through tooth's socket 29, make tooth post 34 reciprocating rotation, thereby drive connecting rod 35 just reverse rotation, so that to the quick positive and negative stirring mixing operation of the inside raw materials of mixing drum 32, further improve the mixed fusion efficiency of raw materials.

Through the fixed scraper 37 that is equipped with and rotates the laminating with the inside radial lateral wall of mixing drum 32 through the extension rod at the radial lateral wall of connecting rod 35, scraper 37 can follow pivoted connecting rod 35 and rotate in step to scrape off the operation in the raw materials of the inside radial lateral wall of mixing drum 32 to the adhesion.

Two pin shafts are symmetrically arranged on the outer wall of the mixing barrel 32, a door-shaped support frame 31 is arranged between the end parts of the two pin shafts, and after the door-shaped support frame 31 and the mixing barrel 32 are pulled out from the blanking cavity, the mixing barrel 32 can turn around the rotating part of the pin shafts so as to pour out the mixed raw materials.

In order to facilitate the turning of the mixing drum 32 at the rotating position of the pin shaft, the pin shaft is positioned at the position, one third away from the top end of the mixing drum 32, of the outer wall of the mixing drum 32, so that workers can turn the mixing drum 32 without power equipment, and time and labor are saved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 coking inhibitor is characterized in that the coking inhibitor comprises a leavening agent, a denitration agent, an oxidant, a sulfur-fixing agent, a combustion improver and a catalyst.

2. A coking inhibitor according to claim 1, characterised in that: the proportion of each component is as follows:

a swelling agent: 30-50%;

a denitration agent: 30-50%;

oxidizing agent: 5% -15%;

a sulfur-fixing agent: 5 to 10 percent;

combustion improver and catalyst: 5 to 15 percent.

3. The mixing device of claim 1, which comprises a mounting table (1), a mixing mechanism (3) and a transmission mechanism (2), wherein a liquid guide tube (11) is connected to the upper end of the mounting table (1), a blanking cavity communicated with the bottom opening of the liquid guide tube (11) is formed in the mounting table (1), the blanking cavity extends to the front end face of the mounting table (1), the mixing mechanism (3) comprises a mixing barrel (32), the mixing barrel (32) is placed into the blanking cavity from the front end face of the mounting table (1) and is used for receiving raw materials flowing down from the bottom opening of the liquid guide tube (11), and the mixing device is characterized in that: the transmission mechanism (2) comprises a motor (22) and a mounting plate (21), the mounting plate (21) is fixed on the right end face of the mounting table (1), the motor (22) is fixed on the upper end face of the mounting plate (21), a power shaft of the motor (22) is connected with a rotary table (23), a pull rod (24) is hinged to the edge of the upper end of the rotary table (23), an adjusting cross beam (25) is hinged to the end of the pull rod (24), the adjusting cross beam (25) penetrates through the right end face of the mounting table (1) in a sliding mode and extends into the blanking cavity, and a sealing plate (26) capable of sealing an opening at the bottom end of the liquid guide tube (11) is fixedly connected to one end, located inside the blanking cavity, of the adjusting cross beam (25);

the upper end of the sealing plate (26) is vertically and fixedly provided with a deflector rod (27) extending into the catheter (11), and the radial side wall of the deflector rod (27) is fixedly provided with a plurality of stirring rods (28).

4. The mixing device for producing the coking inhibitor according to claim 3, is characterized in that: a supporting cross rod (33) is fixedly arranged on the side wall of an opening at the top end in the mixing drum (32), a connecting rod (35) is rotatably arranged at the bottom end of the supporting cross rod (33), and a conical stirring plate (36) is fixedly arranged at the bottom end of the connecting rod (35);

the upper end of the connecting rod (35) rotates to penetrate through a supporting cross beam and then is fixedly connected with a toothed column (34), a guide notch is formed in the left side of the bottom end of the sealing plate (26), and a tooth groove (29) meshed with the toothed column (34) is formed in the side wall of one side of the inner portion of the guide notch.

5. The mixing device for producing the coking inhibitor according to claim 4, is characterized in that: the radial side wall of connecting rod (35) is fixed through the extension rod and is equipped with scraper blade (37) of laminating with mixing drum (32) inside radial side wall rotation.

6. The mixing device for producing the coking inhibitor according to claim 3, is characterized in that: two pin shafts are symmetrically arranged on the outer wall of the mixing cylinder (32), and a door-shaped support frame (31) is arranged between the end parts of the two pin shafts.

7. The mixing device for producing the coking inhibitor according to claim 6, is characterized in that: the pin shaft is positioned at the position of one third of the distance from the outer wall of the mixing cylinder (32) to the top end of the mixing cylinder (32).