CN217526737U

CN217526737U - Device for producing methanol by recycling tail gas of calcium carbide furnace

Info

Publication number: CN217526737U
Application number: CN202221242680.4U
Authority: CN
Inventors: 卓粤
Original assignee: Ningxia Xingertai Chemical Group Co ltd
Current assignee: Ningxia Xingertai Chemical Group Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-04
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a device of production methyl alcohol is recycled to carbide stove tail gas recovery belongs to carbide stove tail gas recycle field, the power distribution box comprises a box body, square mouth has been seted up to a side of box, and the inner wall of square mouth articulates there is the access door, and the bottom fixedly connected with funnel of square mouth box, the surface cover of funnel are equipped with collects the box, and the air inlet has been seted up to a side of box, and air inlet department is provided with cooling body, and the top of box is provided with the outlet duct, is provided with actuating mechanism in the box, a side fixedly connected with protection box of box, the inside wall fixedly connected with mount table of protection box, the motor is installed on the top of mount table. The utility model discloses a set up motor, actuating mechanism, fixed plate, drive post and spring, can realize dust collector after the dust removal operation, shake off the effect to the adsorbed dust of dust removal sack surface, saved artifical clearance time to dust removal sack surface to accelerate the treatment effeciency of carbide stove tail gas.

Description

Device for producing methanol by recycling tail gas of calcium carbide furnace

Technical Field

The utility model relates to a carbide stove tail gas recycle technical field especially relates to the device of carbide stove tail gas recovery and recycle production methyl alcohol.

Background

The tail gas of the calcium carbide furnace mainly contains CO and H2, is a good chemical raw material, and can save the process of preparing gas from coal and greatly reduce the consumption cost compared with the method for preparing methanol from coal.

The dirty tail gas of a large amount of high temperatures (flue gas) that the carbide stove can produce in process of production, it can make filter equipment overheated and can not continue work to let in the carbide burner gas for a long time, need carry out the shutoff with the gas vent of carbide stove and make the filter equipment cool down, because there are a large amount of dust particles in the tail gas, the sack cleaner during operation is blockked up very easily, the event needs the workman to open dust collecting equipment and clears up the dust on dust removal sack surface, the processing time of carbide stove tail gas is further prolonged to this process, thereby influence the efficiency of carbide stove tail gas recovery recycle production methyl alcohol, consequently, propose a device of carbide stove tail gas recycle production methyl alcohol to the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a device for recycling and reusing tail gas of a calcium carbide furnace to produce methanol.

In order to realize the purpose, the utility model adopts the following technical scheme:

the device for producing methanol by recycling and reusing tail gas of the calcium carbide furnace comprises a box body, wherein a square opening is formed in one side face of the box body, an access door is hinged to the inner wall of the square opening, the square opening is a funnel fixedly connected to the bottom of the box body, a collecting box is sleeved on the outer surface of the funnel, an air inlet is formed in one side face of the box body, a cooling mechanism is arranged at the air inlet, a circular through hole is formed in the top of the box body, the top of the box body is located at a fixedly connected air outlet pipe of the circular through hole, a fixing plate is fixedly connected to the inner side wall of the box body, a sliding through hole is formed in the top of the fixing plate, a sealing ring is slidably connected to the inner wall of the sliding through hole, a dust removal cloth bag is fixedly connected to the bottom of the sealing ring, a driving mechanism is arranged above the fixing plate in the box body, a protection box is fixedly connected to one side face of the box body, a mounting table is fixedly connected to the inner side wall of the protection box, a motor is mounted on the top end of the mounting table, an output shaft of the motor is fixedly connected to the output shaft, the box is symmetrically arranged on the fixing frame, and a mounting frame is fixedly connected to the inner wall of the mounting frame.

Preferably, the cooling mechanism comprises a cooling elbow fixedly connected to the inner wall of the air inlet and a cooling water tank fixedly connected to the outer side wall of the box body.

Preferably, the sealing opening has been seted up to cooling water tank's lateral wall, the sealing opening is linked together with the air inlet, the cooling return bend sets up inside the box, the both ends and the seal groove fixed connection of cooling return bend.

Preferably, inlet opening and apopore have been seted up respectively to coolant tank's top and bottom, inlet tube and outlet pipe are installed respectively to the inner wall of inlet opening and apopore, all be provided with control flap on inlet tube and the outlet pipe.

Preferably, the driving mechanism comprises a connecting shaft and a plurality of spiral cams, and the spiral cams are fixedly connected with the connecting shaft.

Preferably, two ends of the connecting shaft respectively penetrate through the rotating shaft hole, and one end of the connecting shaft is fixedly connected with the output shaft.

Preferably, the top of the sealing ring is fixedly connected with a cross, the top of the cross is fixedly connected with a driving column, and the side wall of the driving column is slidably connected with the mounting hole.

Preferably, the top of the driving column is fixedly connected with a circular table, a compression spring is arranged between the fixing frame and the circular table, and the compression spring is wound on the surface of the driving column.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up motor, actuating mechanism, fixed plate, drive post and spring, can realize dust collector after the dust removal operation, shake off the effect to the adsorbed dust of dust removal sack surface, saved artifical clearance time to dust removal sack surface to accelerate the treatment effeciency of carbide stove tail gas.

2. The utility model discloses a set up coolant tank and cooling bend, cold water has been held in the coolant tank, and the intake pipe sets to the heliciform, can reduce the space occupancy of intake pipe when prolonging intake pipe length greatly, can effectively prolong the time that carbide stove high temperature tail gas passes through the intake pipe for circulation cold water carries out effectual cooling to carbide stove high temperature tail gas, guarantees that filter equipment can last work for a long time.

Drawings

FIG. 1 is a schematic view of the overall structure of a device for producing methanol by recycling calcium carbide furnace tail gas according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the cooling mechanism of the device for producing methanol by recycling calcium carbide furnace tail gas according to the present invention;

fig. 4 is a schematic diagram of the overall structure of the device for recycling tail gas of calcium carbide furnace to produce methanol.

In the figure: 1. a box body; 2. a funnel; 3. a collection box; 4. an access door; 5. an air outlet pipe; 6. a protection box; 7. an installation table; 8. a motor; 9. cooling the bent pipe; 10. a cooling water tank; 11. a fixing plate; 12. a slide through hole; 13. a seal ring; 14. a cross; 15. a connecting shaft; 16. a scroll cam; 17. a circular table; 18. a drive column; 19. a compression spring; 20. a fixed mount; 21. a dust removal cloth bag.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, device of production methyl alcohol is recycled to carbide stove tail gas, including box 1, square mouth has been seted up to one side of box 1, the inner wall of square mouth articulates there is access door 4, access door 4 is seal structure, the bottom fixedly connected with funnel 2 of box 1, the surface cover of funnel 2 is equipped with collects box 3, dust in the box 1 sinks to collecting box 3 in the action of gravity, the air inlet has been seted up to one side of box 1, air inlet department is provided with cooling body.

Cooling body includes cooling elbow 9 and the coolant tank 10 of fixed connection in 1 lateral wall of box of fixed connection in the air inlet inner wall, the sealed mouth has been seted up to coolant tank 10's lateral wall, the sealed mouth is linked together with the air inlet, cooling elbow 9 sets up inside box 1, the space occupancy of intake pipe reduces when cooling elbow 9 prolongs intake pipe length greatly, can prolong the active time of cooling water, both ends and seal groove fixed connection of cooling elbow 9, inlet opening and apopore have been seted up respectively to coolant tank 10's top and bottom, inlet tube and outlet pipe are installed respectively to the inner wall of inlet opening and apopore, all be provided with control flap on inlet tube and the outlet pipe, the replacement of cooling water in coolant tank 10 is realized through control flap, circular through-hole has been seted up at box 1's top, box 1's top is located circular through-hole fixedly connected with outlet duct 5, box 1's inside wall fixedly connected with fixed plate 11, sliding through-hole 12 has been seted up at fixed plate 11's top, sliding through-hole 12's inner wall sliding connection has sealing ring 13, sliding through-hole 12's one end wears out sliding through-hole 12, the length that stretches out sliding through-hole 12 is greater than the shrink length of cam compression spring 19, make sliding through-hole 12 and sealing ring 13 constantly be in sealing ring 13, guarantee that dust collector device's the bottom is provided with dust removal mechanism 21 top in box 1.

The driving mechanism comprises a connecting shaft 15 and a volute cam 16, the volute cam 16 is provided with a plurality of volute cams, the volute cam 16 is fixedly connected with the connecting shaft 15 and rotates along with the connecting shaft 15, rotating shaft holes symmetrically arranged are formed in the inner side wall of the box body 1, a fixing frame 20 is fixedly connected with the inner wall of the box body 1, mounting holes are formed in the top of the fixing frame 20, two ends of the connecting shaft 15 penetrate through the rotating shaft holes respectively, the connecting shaft 15 and the fixing plate 11 are not in position movement, the volute cam 16 abuts against a circular table 17 when rotating, the volute cam 16 rotates to the top end, the dust removal cloth bag 21 descends, after continuously rotating into the top end of the volute cam 16, a spring extends, the dust removal cloth bag 21 ascends rapidly, the cross 14 is fixedly connected with the top of the sealing ring 13, a driving column 18 is fixedly connected with the top of the cross 14, the side wall of the driving column 18 is slidably connected with the mounting holes, the circular table 17 is fixedly connected with the top of the driving column 18, a compression spring 19 is arranged between the fixing frame 20 and the mounting plate 17, the surface of the compression spring is compressed, the driving column 18 is connected with a protection box 6, and an output end of a motor 7 is connected with the mounting plate 8.

When the calcium carbide furnace tail gas dedusting device is used, the control valve of the water inlet pipe is opened, cooling water is introduced into the cooling water tank 10, then the cooling bent pipe 9 is communicated with the calcium carbide furnace tail gas pipeline, and the calcium carbide furnace tail gas is conducted and cooled under the action of the cooling water through the cooling bent pipe 9, so that the calcium carbide furnace tail gas enters the box body 1 of the dedusting device at a proper temperature; the calcium carbide furnace tail gas is filtered under the action of the dust removing cloth bag 21, and dust in the calcium carbide furnace tail gas is blocked at the outer side of the dust removing cloth bag 21, so that the filtering function of the smoke dust in the calcium carbide furnace gas is realized.

After the filtering operation is finished, the motor 8 is turned on to drive the connecting shaft 15 to rotate, the volute cam 16 rotates along with the connecting shaft 15, the volute cam 16 rotates to the front of the top end, the circular table 17 is gradually pushed downwards, the spring 19 is compressed under the action of the circular table 17, the cross 14 at one end of the driving column 18, the sealing ring 13 and the dust collection cloth bag 21 move downwards along with the circular table 17, the sealing ring 13 slides downwards in the sliding through hole 12 (when the circular table 17 descends to the lowest position, the sealing ring 13 is not separated from the sliding through hole 12), when the top end of the volute cam 16 is far away from the circular table 17, the compression spring 19 is quickly reset, the circular table 17 is further pushed to ascend, the dust collection cloth bag 21 is further quickly ascended, the process is circularly repeated, the dust collection cloth bag 21 achieves an automatic shaking function, dust attached to the surface of the dust collection cloth bag 21 is shaken off, and the shaken off dust passes through the funnel 2 to enter the collection box 3 to achieve dust collection of the dust collection box 3 under the action of gravity, so that manual cleaning of workers is not needed, the dust collection cloth bag 21 is greatly improved, and the cleaning efficiency is greatly while the workload of the workers is reduced.

The cooling water in the cooling water tank 10 can be changed through the control valve when the dust removal operation is carried out, so that the dust removal device can continuously work at a lower temperature, the treatment time of the tail gas of the calcium carbide furnace is shortened, and the efficiency of recycling and recycling the tail gas of the calcium carbide furnace for producing the methanol is greatly accelerated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The device for producing the methanol by recycling the tail gas of the calcium carbide furnace comprises a box body (1) and is characterized in that a square opening is formed in one side face of the box body (1), an access door (4) is hinged to the inner wall of the square opening, a funnel (2) is fixedly connected to the bottom of the box body (1), a collection box (3) is sleeved on the outer surface of the funnel (2), an air inlet is formed in one side face of the box body (1), a cooling mechanism is arranged at the air inlet, a circular through hole is formed in the top of the box body (1), an air outlet pipe (5) is fixedly connected to the top of the box body (1) and is located at the circular through hole, a fixing plate (11) is fixedly connected to the inner side wall of the box body (1), a sliding through hole (12) is formed in the top of the fixing plate (11), a sealing ring (13) is slidably connected to the inner wall of the sliding through hole (12), a dust collection cloth bag (21) is fixedly connected to the bottom of the sealing ring (13), a driving mechanism is arranged above the fixing plate (11) in the box body (1), a protection box (6) is fixedly connected to one side face of the box (1), an installation platform (7) is fixedly connected to the inner side wall, an output end face of the installation platform (8) is connected to an output end of a motor, and is connected to an output shaft (8), the hinge structure is characterized in that the inner side wall of the box body (1) is provided with rotating shaft holes symmetrically arranged, the inner wall of the box body (1) is fixedly connected with a fixing frame (20), and the top of the fixing frame (20) is provided with a mounting hole.

2. The calcium carbide furnace tail gas recycling methanol production device according to claim 1, wherein the cooling mechanism comprises a cooling elbow (9) fixedly connected to the inner wall of the air inlet and a cooling water tank (10) fixedly connected to the outer side wall of the box body (1).

3. The calcium carbide furnace tail gas recycling methanol production device according to claim 2, wherein a sealing opening is formed in a side wall of the cooling water tank (10), the sealing opening is communicated with the gas inlet, the cooling bent pipe (9) is arranged inside the box body (1), and two ends of the cooling bent pipe (9) are fixedly connected with the sealing groove.

4. The calcium carbide furnace tail gas recycling device for methanol production according to claim 2, wherein the top and the bottom of the cooling water tank (10) are respectively provided with a water inlet hole and a water outlet hole, the inner walls of the water inlet hole and the water outlet hole are respectively provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are respectively provided with a control valve.

5. The calcium carbide furnace tail gas recycling methanol production device according to claim 1, wherein the driving mechanism comprises a connecting shaft (15) and a plurality of vortex cams (16), and the vortex cams (16) are fixedly connected with the connecting shaft (15).

6. The device for producing methanol by recycling calcium carbide furnace tail gas according to claim 5, wherein two ends of the connecting shaft (15) respectively penetrate through the rotating shaft hole, and one end of the connecting shaft (15) is fixedly connected with the output shaft.

7. The calcium carbide furnace tail gas recycling methanol production device according to claim 1, wherein a cross (14) is fixedly connected to the top of the sealing ring (13), a driving column (18) is fixedly connected to the top of the cross (14), and the side wall of the driving column (18) is in sliding connection with the mounting hole.

8. The calcium carbide furnace tail gas recycling methanol production device according to claim 7, wherein a circular truncated cone (17) is fixedly connected to the top of the driving column (18), a compression spring (19) is arranged between the fixing frame (20) and the circular truncated cone (17), and the compression spring (19) is wound on the surface of the driving column (18).