阅读说明：本技术 一种铝电解槽密闭集气装置 (Closed gas collecting device for aluminum electrolytic cell ) 是由 陈雨 于 2019-11-08 设计创作，主要内容包括：本发明公开了一种铝电解槽密闭集气装置,涉及铝电解槽技术领域,包括移动推车、调节机构、集气罩板、连接软管和烟气处理机构,调节机构固定设置在移动推车上方的一侧,调节机构包括旋转组件、升降组件、延伸组件和下压组件,旋转组件固定设置在移动推车上,升降组件固定设置在旋转组件上,延伸组件固定设置在升降组件上,下压组件固定设置在延伸组件上,集气罩固定设置在延伸组件的延伸端上,烟气处理机构固定设置在移动推车上方的另一侧,集气罩和烟气处理机构通过连接软管连接相通,本发明通过上述机构中各个组件的配合能够较好地将铝电解槽中产生的烟气进行收集处理,防止有害气体散发到空气中,造成环境的破坏,实用性较高。(The invention discloses a closed gas collecting device of an aluminum electrolytic cell, which relates to the technical field of aluminum electrolytic cells and comprises a movable cart, an adjusting mechanism, a gas collecting cover plate, a connecting hose and a flue gas treatment mechanism, wherein the adjusting mechanism is fixedly arranged on one side above the movable cart, the adjusting mechanism comprises a rotating component, a lifting component, an extending component and a pressing component, the rotating component is fixedly arranged on the movable cart, the lifting component is fixedly arranged on the rotating component, the extending component is fixedly arranged on the lifting component, the pressing component is fixedly arranged on the extending component, a gas collecting cover is fixedly arranged on the extending end of the extending component, the flue gas treatment mechanism is fixedly arranged on the other side above the movable cart, and the gas collecting cover is communicated with the flue gas treatment mechanism through the connecting hose, prevent harmful gas from diffusing into the air to cause the destruction of environment, and the practicality is higher.)

1. An airtight gas collecting device of an aluminum electrolytic cell is characterized in that: comprises a mobile cart (1), an adjusting mechanism (2), a gas collecting hood (3), a connecting hose (4) and a flue gas treatment mechanism (5), wherein the adjusting mechanism (2) is fixedly arranged on one side above the mobile cart (1), the adjusting mechanism (2) comprises a rotating component (21), a lifting component (22), an extending component (23) and a pressing component (24), the rotating component (21) is fixedly arranged on the mobile cart (1), the lifting component (22) is fixedly arranged on the rotating component (21), the extending component (23) is fixedly arranged on the lifting component (22), the pressing component (24) is fixedly arranged on the extending component (23), the gas collecting hood (3) is fixedly arranged on the extending end of the extending component (23), the flue gas treatment mechanism (5) is fixedly arranged on the other side above the mobile cart (1), the gas-collecting hood (3) is communicated with the flue gas treatment mechanism (5) through the connecting hose (4).

2. The aluminum electrolysis cell enclosed gas collecting device of claim 1, wherein: rotatory subassembly (21) include install bin (211), rotating electrical machines (212), rotating gear (213), rotation axis (214), linkage gear (215) and carousel (216), install bin (211) inside is hollow structure, install bin (211) is fixed to be set up on the removal shallow (1), rotating electrical machines (212) are fixed to be set up on the interior diapire of install bin (211), rotating gear (213) are fixed to be set up on the output shaft of rotating electrical machines (212), rotation axis (214) rotate to be installed on install bin (211), the fixed middle section position that sets up on rotation axis (214) of linkage gear (215), linkage gear (215) with rotating gear (213) mesh mutually, carousel (216) are fixed to be set up the outside top of rotation axis (214).

3. The aluminum electrolysis cell enclosed gas collecting device as recited in claim 2, wherein: lifting unit (22) includes bracing piece (221), lifter (222) and two lifting member (223), bracing piece (221) is fixed to be set up the central point in carousel (216) top, bracing piece (221) inside is hollow structure, two spouts have been seted up to the symmetry on the both sides face on bracing piece (221), lifter (222) are located in bracing piece (221), lifter (222) with sliding connection between bracing piece (221), two sets of lifting member (223) symmetry is fixed to be set up on bracing piece (221), and is located two spouts departments on bracing piece (221) respectively.

4. The aluminum electrolysis cell enclosed gas collecting device as recited in claim 3, wherein: every group lift part (223) all include elevator motor (2231), lift lead screw (2232), go up mount pad (2233), mount pad (2234) and elevator (2235) down, go up mount pad (2233) with lower mount pad (2234) is fixed the upper and lower both ends that set up on bracing piece (221) respectively, elevator motor (2231) is fixed to be set up the top of going up mount pad (2233), lift lead screw (2232) rotate to be set up go up mount pad (2233) with between lower mount pad (2234), the one end of lift lead screw (2232) with elevator motor (2231)'s output shaft fixed connection, elevator (2235) spiro union sets up on lift lead screw (2232), the spout on bracing piece (221) is passed to the one end of elevator (2235) with elevator (222) fixed connection.

5. The aluminum electrolysis cell enclosed gas collecting device as recited in claim 4, wherein: extension subassembly (23) are including dead lever (231), extension rod (232), extension part (233) and locking part (234), dead lever (231) are fixed to be set up the top of lifter (222), dead lever (231) inside is hollow structure, extension rod (232) are located in dead lever (231) just extension rod (232) with bracing piece (221) sliding fit, the top interval of extension rod (232) is fixed and is provided with a plurality of extension tooth (235), one side at dead lever (231) top is equipped with the opening, extension part (233) set up the opening part on dead lever (231), locking part (234) are equipped with two sets ofly, and are two sets of locking part (234) symmetry sets up both sides on dead lever (231).

6. The aluminum electrolysis cell enclosed gas collecting device as recited in claim 5, wherein: the extension component (233) comprises an extension motor (2331), mounting seats (2332), a driving belt (2333), a driving shaft (2334) and a driving gear (2335), the extension motor (2331) is fixedly arranged at the top of the fixing rod (231), the two mounting seats (2332) are arranged, the two mounting seats (2332) are symmetrically arranged at two sides of the opening, the driving shaft (2334) is rotatably arranged on the driving seats, the driving gear (2335) is fixedly arranged at the middle section position of the driving shaft (2334), and the driving belt (2333) is sleeved on an output shaft of the extension motor (2331) and one end of the driving shaft (2334).

7. The aluminum electrolysis cell enclosed gas collecting device as recited in claim 6, wherein: every group locking part (234) all include mounting bracket (2341), locking cylinder (2342) and latch segment (2343), mounting bracket (2341) is fixed to be set up on dead lever (231), locking cylinder (2342) fixed mounting be in the top of mounting bracket (2341), the output of locking cylinder (2342) runs through mounting bracket (2341) top, the one end of latch segment (2343) with the output fixed connection of locking cylinder (2342), the other end of latch segment (2343) runs through dead lever (231) lateral wall with extension rod (232) conflict cooperation.

8. The aluminum electrolysis cell enclosed gas collecting device of claim 7, wherein: the pressing component (24) comprises a fixed block (241), an electric push rod (242), a guide seat (243) and a guide rod (244), the fixed block (241) is fixedly arranged at one end of the extension rod (232) which is positioned at the outside, the electric push rod (242) is fixedly arranged on the fixed block (241), the output end of the electric push rod (242) is arranged downwards, the number of the guide seats (243) and the number of the guide rods (244) are two, the two guide seats (243) are fixedly arranged on the fixed block (241) and are respectively positioned at two sides of the electric push rod (242), the two guide rods (244) are respectively arranged on one guide seat (243), the two guide rods (244) are respectively in sliding fit with one guide seat (243), the output end of the electric push rod (242) and one end of each of the two guide rods (244) are fixedly connected with the outside of the gas collecting hood (3).

9. The aluminum electrolysis cell enclosed gas collecting device of claim 1, wherein: mechanism (5) are handled to flue gas includes that the flue gas handles case (51), adds medicine mouth (52), gas vent (53) and stirring subassembly (54), case (51) is handled to flue gas is fixed to be set up on moving cart (1), the both ends of coupling hose (4) respectively with case (51) is handled to flue gas inside with gas collecting channel (3) are linked together, it is in to add medicine mouth (52) fixed the top of case (51) is handled to flue gas, gas vent (53) set up one side on case (51) is handled to flue gas, be provided with solenoid valve (55) on gas vent (53), stirring subassembly (54) are fixed to be set up the side of case (51) is handled to flue gas.

10. The aluminum electrolysis cell enclosed gas collection device of claim 9, wherein: stirring subassembly (54) is including fixed plate (541), agitator motor (542), linkage belt (543), (mixing) shaft (544) and a plurality of stirring leaf (545), fixed plate (541) are fixed to be set up the one side of case (51) is handled to the flue gas, agitator motor (542) are fixed to be set up on fixed plate (541), install (mixing) shaft (544) rotation the middle section position on case (51) is handled to the flue gas, a plurality of stirring leaf (545) are the fixed setting of circumference interval on (mixing) shaft (544), linkage belt (543) cover is established the output shaft of agitator motor (542) with one of (mixing) shaft (544) is served.

Technical Field

The invention relates to the technical field of aluminum electrolysis cells, in particular to an airtight gas collecting device for an aluminum electrolysis cell.

Background

At present, the production of electrolytic aluminium adopts prebaked anode production, and the produced electrolytic flue gas is mainly the anode gas in the electrolytic process, so that the measures of closed gas collection and centralized purification are mostly adopted for treatment. However, the gas collection and purification effects are poor, mainly because the existing electrolytic cell cover plate is not tightly sealed, air leakage is more, the aluminum electrolytic cell has extremely low concentration of smoke dust and pollutants due to large total amount of discharged flue gas, and harmful fluoride gas, sulfur-containing gas and the like in the flue gas are difficult to be economically and effectively purified and treated, thereby causing environmental pollution.

Disclosure of Invention

The invention aims to provide a closed gas collecting device for an aluminum electrolytic cell, which aims to solve the problem of environmental pollution caused by the fact that waste gas generated by reaction of the aluminum electrolytic cell cannot be well treated in the background art.

The invention provides a closed gas collecting device for an aluminum electrolytic cell, which comprises a movable cart, an adjusting mechanism, a gas collecting cover plate, a connecting hose and a flue gas treatment mechanism, wherein the adjusting mechanism is fixedly arranged on one side above the movable cart, the adjusting mechanism comprises a rotating component, a lifting component, an extending component and a pressing component, the rotating component is fixedly arranged on the movable cart, the lifting component is fixedly arranged on the rotating component, the extending component is fixedly arranged on the lifting component, the pressing component is fixedly arranged on the extending component, a gas collecting hood is fixedly arranged on the extending end of the extending component, the flue gas treatment mechanism is fixedly arranged on the other side above the movable cart, and the gas collecting hood is communicated with the flue gas treatment mechanism through the connecting hose.

Further, the rotating assembly comprises an installation box, a rotating motor, a rotating gear, a rotating shaft, a linkage gear and a rotary disc, the installation box is of a hollow structure, the installation box is fixedly arranged on the movable trolley, the rotating motor is fixedly arranged on the inner bottom wall of the installation box, the rotating gear is fixedly arranged on an output shaft of the rotating motor, the rotating shaft is rotatably arranged on the installation box, the linkage gear is fixedly arranged at the middle position of the rotating shaft, the linkage gear is meshed with the rotating gear, and the rotary disc is fixedly arranged at the top end of the outer portion of the rotating shaft.

Further, the lifting assembly comprises a supporting rod, a lifting rod and two lifting parts, the supporting rod is fixedly arranged at the central position above the turntable, the inside of the supporting rod is of a hollow structure, two sliding grooves are symmetrically formed in two side faces of the supporting rod, the lifting rod is located in the supporting rod, the lifting rod is connected with the supporting rod in a sliding mode, and the two lifting parts are symmetrically and fixedly arranged on the supporting rod and located at two sliding grooves in the supporting rod respectively.

Further, every group the lift part all includes elevator motor, lift lead screw, goes up the mount pad, mount pad and elevator down, go up the mount pad with the mount pad is fixed the upper and lower both ends that set up on the bracing piece respectively down, elevator motor is fixed to be set up go up the top of mount pad, the lift lead screw rotates to set up go up the mount pad with between the mount pad down, the one end of lift lead screw with elevator motor's output shaft fixed connection, the elevator spiro union sets up on the lift lead screw, the one end of elevator pass the spout on the bracing piece with lifter fixed connection.

Further, the extension subassembly includes dead lever, extension rod, extension part and locking part, the dead lever is fixed to be set up the top of lifter, the inside hollow structure that is of dead lever, the extension rod is located in the dead lever just the extension rod with bracing piece sliding fit, the top interval of extension rod is fixed and is provided with a plurality of and extends the tooth, one side at dead lever top is equipped with the opening, the opening part of extension part setting on the dead lever, locking part is equipped with two sets ofly, and is two sets of the locking part symmetry sets up both sides on the dead lever.

Further, the extension part is including extending motor, mount pad, driving belt, drive shaft and drive gear, it is in to extend the fixed setting of motor the top of dead lever, the mount pad is equipped with two, two the mount pad symmetry sets up in the open-ended both sides, the drive shaft rotates to be installed on the drive pad, drive gear is fixed to be set up on the middle section position of drive shaft, the driving belt cover establish extend the motor the output shaft with one of drive shaft is served.

Further, every group locking part all includes mounting bracket, locking cylinder and latch segment, the mounting bracket is fixed to be set up on the dead lever, locking cylinder fixed mounting be in the top of mounting bracket, the output of locking cylinder runs through the mounting bracket top, the one end of latch segment with the output fixed connection of locking cylinder, the other end of latch segment runs through the dead lever lateral wall with the cooperation of contradicting of extension rod.

Further, the subassembly of pushing down includes fixed block, electric putter, guide holder and guide bar, the fixed block is fixed to be set up one of extension bar position in the outside, electric putter is fixed to be set up on the fixed block, electric putter's output sets up down, the guide holder with the guide bar all is equipped with two, two the guide holder is all fixed to be set up just be located respectively on the fixed block electric putter's both sides, two the guide bar sets up one respectively on the guide holder, two the guide bar respectively with one sliding fit between the guide holder, electric putter's output and two the one end of guide bar all with the outside fixed connection of gas collecting channel.

Further, the mechanism is handled to flue gas includes that the flue gas handles the case, adds medicine mouth, gas vent and stirring subassembly, the case is handled to flue gas is fixed to be set up on the removal shallow, coupling hose's both ends respectively with the flue gas handle incasement portion with the gas collecting channel is linked together, it is fixed to set up to add the medicine mouth the top of case is handled to flue gas, the gas vent sets up one side on the case is handled to flue gas, be provided with the solenoid valve on the gas vent, stirring subassembly is fixed to be set up the side of case is handled to flue gas.

Further, the stirring subassembly includes fixed plate, agitator motor, linkage belt, (mixing) shaft and a plurality of stirring leaf, the fixed plate is fixed to be set up one side of case is handled to the flue gas, agitator motor is fixed to be set up on the fixed plate, the (mixing) shaft rotates to be installed middle section position on the case is handled to the flue gas, a plurality of the stirring leaf is that the circumference interval is fixed to be set up on the (mixing) shaft, the linkage belt cover is established agitator motor's output shaft with serve on one of (mixing) shaft.

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

firstly, when the harmful gas generated by the reaction of the aluminum electrolytic cell needs to be collected and treated, the equipment is moved to a designated point by using a mobile cart, then the gas-collecting hood is adjusted to the aluminum electrolytic cell by using an adjusting mechanism to cover the aluminum electrolytic cell, a rotating component in the adjusting mechanism is used for driving the gas-collecting hood to perform automatic rotation adjustment, a lifting component is arranged for driving the gas-collecting hood to perform automatic lifting adjustment, an extending component is arranged for driving the gas-collecting hood to extend and adjust forwards, a pressing component tightly presses and fixes the gas-collecting hood on the aluminum electrolytic cell, and after the gas-collecting hood is tightly connected with the aluminum electrolytic cell, the harmful gas generated in the aluminum electrolytic cell is conveyed into a flue gas treatment mechanism through a connecting hose to be treated and then discharged, so that the harmful gas is prevented from being emitted into the air to cause environmental damage Therefore, harmful gas is prevented from being emitted into the air to cause the damage of the environment, and the practicability is higher.

And secondly, the gas collecting hood is driven to rotate automatically through the rotary component, when the rotation is required to be adjusted, the rotary motor in the installation box drives the rotary gear to rotate, the rotary gear drives the linkage gear engaged with the rotary gear to rotate, the linkage gear drives the rotary shaft to rotate, and the rotary shaft rotates on the installation box and simultaneously drives the rotary disc to rotate.

Thirdly, the setting of lifting unit is used for driving the gas collecting channel to carry out automatic lift adjustment, two lift part work drive lifter slide in the bracing piece upwards adjust when needs carry out height adjustment, accomplish the lift operation, the elevator motor work among two sets of lift parts this moment, elevator motor drives the lift lead screw and rotates, the lift lead screw rotates on last mount pad and lower mount pad, the lifter with its spiro union is adjusted, the lifter that the lifter drives rather than fixed connection slides on the spout and goes up and down.

The utility model provides a four, setting through extension subassembly is used for driving the gas collecting channel and extends the regulation forward, extension part work drives the extension rod and extends the operation to the forward regulation in the dead lever when needs extend the regulation, extension motor work among the extension part drives drive belt and rotates this moment, drive belt drives the drive shaft on two mount pads and rotates, drive shaft drive rotates rather than fixed connection's drive gear synchronization, drive gear drives and removes rather than the extension tooth of meshing, it drives the extension rod and extends the regulation to extend the tooth, rethread locking part carries out spacing fixed with the extension rod after the extension regulation finishes, the locking cylinder work on the mounting bracket this moment, it promotes forward to drive the latch segment, the latch segment is fixed the extension rod locking on the dead lever.

The utility model discloses a five, be used for carrying the harmful gas who produces in the aluminium cell through coupling hose and handle the back and discharge in the flue gas treatment mechanism through the setting of flue gas treatment mechanism, the setting of adding the medicine mouth is used for throwing into the flue gas treatment box with medicines such as deodorant liquid, the setting of stirring subassembly is used for mixing the operation that homogenizes with the deodorant liquid in the flue gas treatment box, when stirring subassembly during operation, agitator motor work on the fixed plate, it rotates to drive the linkage belt, the linkage belt drives the (mixing) shaft and rotates, the (mixing) shaft drives a plurality of stirring leaf and rotates, the stirring leaf mixes the operation that homogenizes with deodorant liquid, discharge through the blast pipe after the harmful gas treatment finishes, the solenoid valve is used for controlling the switch operation of gas vent.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a cross-sectional view of the rotating assembly of the present invention;

FIG. 4 is a schematic perspective view of the lift assembly of the present invention;

FIG. 5 is a schematic perspective view of an extension assembly according to the present invention;

FIG. 6 is a top view of an extension assembly of the present invention;

FIG. 7 is a partial schematic view of the present invention;

figure 8 is a partial cross-sectional view of the flue gas treatment mechanism of the present invention.

Reference numerals:

the mobile cart 1, the adjusting mechanism 2, the rotating assembly 21, the mounting box 211, the rotating motor 212, the rotating gear 213, the rotating shaft 214, the linkage gear 215, the turntable 216, the lifting assembly 22, the supporting rod 221, the lifting rod 222, the lifting component 223, the lifting motor 2231, the lifting screw rod 2232, the upper mounting seat 2233, the lower mounting seat 2234, the lifting block 2235, the extending assembly 23, the fixing rod 231, the extending rod 232, the extending component 233, the extending motor 2331, the mounting seat 2332, the driving belt 2333, the driving shaft 2334, the driving gear 2335, the locking component 234, the mounting frame 2341, the locking cylinder 2342, the locking block 2343, the extending teeth 235, the pressing component 24, the fixing block 241, the electric push rod 242, the guide seat 243, the guide rod 244, the gas collecting hood 3, the connecting hose 4, the smoke processing mechanism 5, the smoke processing box 51, the chemical adding port 52, the exhaust port 53, the stirring component 54, the fixing plate 541 and, a linkage belt 543, a stirring shaft 544, a stirring blade 545 and an electromagnetic valve 55.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 8, an embodiment of the present invention provides an aluminum electrolysis cell closed gas collecting device, which includes a mobile cart 1, an adjusting mechanism 2, a gas collecting hood 3, a connecting hose 4 and a flue gas treatment mechanism 5, the adjusting mechanism 2 is fixedly arranged at one side above the mobile cart 1, the adjusting mechanism 2 comprises a rotating assembly 21, a lifting assembly 22, an extending assembly 23 and a pressing assembly 24, the rotating assembly 21 is fixedly arranged on the mobile cart 1, the lifting assembly 22 is fixedly arranged on the rotating assembly 21, the extension assembly 23 is fixedly arranged on the lifting assembly 22, the pressing assembly 24 is fixedly arranged on the extension assembly 23, the gas-collecting hood 3 is fixedly arranged on the extending end of the extending component 23, the flue gas treatment mechanism 5 is fixedly arranged on the other side above the movable cart 1, the gas-collecting hood 3 and the flue gas treatment mechanism 5 are communicated through the connecting hose 4.

When the invention needs to collect and process the harmful gas generated by the reaction of the aluminum electrolytic cell, firstly, the moving cart 1 is used to move the equipment to the appointed point, then the adjusting mechanism 2 is used to adjust the gas-collecting hood 3 to the aluminum electrolytic cell to cover the aluminum electrolytic cell, the rotating component 21 in the adjusting mechanism 2 is used to drive the gas-collecting hood 3 to automatically rotate and adjust, the lifting component 22 is used to drive the gas-collecting hood 3 to automatically lift and adjust, the extension component 23 is used to drive the gas-collecting hood 3 to forwardly extend and adjust, the pressing component 24 presses and fixes the gas-collecting hood 3 on the aluminum electrolytic cell, when the gas-collecting hood 3 is pressed and connected with the aluminum electrolytic cell, the harmful gas generated in the aluminum electrolytic cell is conveyed to the smoke processing mechanism 5 through the connecting hose 4 to be processed and then discharged, thereby preventing the harmful gas from being emitted to the air to cause the environmental damage, the invention can better collect and process the smoke generated in the aluminum electrolytic cell by matching each component in the mechanism, prevents harmful gas from being emitted into the air to cause the damage of the environment, and has higher practicability.

The rotating assembly 21 comprises an installation box 211, a rotating motor 212, a rotating gear 213, a rotating shaft 214, a linkage gear 215 and a rotary disc 216, the installation box 211 is hollow, the installation box 211 is fixedly arranged on the movable cart 1, the rotating motor 212 is fixedly arranged on the inner bottom wall of the installation box 211, the rotating gear 213 is fixedly arranged on the output shaft of the rotating motor 212, the rotating shaft 214 is rotatably arranged on the installation box 211, the linkage gear 215 is fixedly arranged at the middle section position on the rotating shaft 214, the linkage gear 215 is meshed with the rotating gear 213, the rotary disc 216 is fixedly arranged at the outer top end of the rotating shaft 214, the gas collecting hood 3 is driven to automatically rotate and adjust through the arrangement of the rotating assembly 21, and when the rotation adjustment is needed, the rotating gear 213 is driven to rotate by the operation of the rotating motor 212 in the installation box 211, the rotating gear 213 drives the linkage gear 215 engaged therewith to rotate, the linkage gear 215 drives the rotating shaft 214 to rotate, and the rotating shaft 214 rotates on the installation box 211 and simultaneously drives the turntable 216 to rotate.

The lifting component 22 comprises a supporting rod 221, a lifting rod 222 and two lifting components 223, the supporting rod 221 is fixedly arranged at the central position above the turntable 216, the supporting rod 221 is internally of a hollow structure, two sliding grooves are symmetrically formed in two side faces of the supporting rod 221, the lifting rod 222 is located in the supporting rod 221, the lifting rod 222 is connected with the supporting rod 221 in a sliding mode, the lifting components 223 are symmetrically and fixedly arranged on the supporting rod 221 and located in the two sliding grooves of the supporting rod 221 respectively, the lifting component 22 is arranged to drive the gas collecting hood 3 to perform automatic lifting adjustment, when height adjustment is needed, the lifting rods 222 are driven by the two lifting components 223 to slide in the supporting rod 221 to be adjusted upwards, and lifting operation is completed.

Each group of the lifting members 223 includes a lifting motor 2231, a lifting screw 2232, an upper mounting seat 2233, a lower mounting seat 2234 and a lifting block 2235, the upper mounting seat 2233 and the lower mounting seat 2234 are respectively and fixedly disposed at the upper end and the lower end of the support rod 221, the lifting motor 2231 is fixedly disposed at the top of the upper mounting seat 2233, the lifting screw 2232 is rotatably disposed between the upper mounting seat 2233 and the lower mounting seat 2234, one end of the lifting screw 2232 is fixedly connected to an output shaft of the lifting motor 2231, the lifting block 2235 is screwed onto the lifting screw 2232, one end of the lifting block 2235 passes through a sliding groove on the support rod 221 and is fixedly connected to the lifting rod 222, at this time, the lifting motors 2231 in the two groups of lifting members 223 work, the lifting motor 2231 drives the lifting screw 2232 to rotate, the lifting screw 2232 rotates on the upper mounting seat 2233 and the lower mounting seat 2234, the lifting block 2235 screwed with it is adjusted, and the lifting block 2235 drives the lifting rod 222 fixedly connected with it to slide and lift on the sliding groove.

The extension assembly 23 comprises a fixing rod 231, an extension rod 232, an extension part 233 and a locking part 234, the fixing rod 231 is fixedly arranged at the top of the lifting rod 222, the inside of the fixing rod 231 is of a hollow structure, the extension rod 232 is positioned in the fixing rod 231, the extension rod 232 is in sliding fit with the supporting rod 221, a plurality of extension teeth 235 are fixedly arranged at the top of the extension rod 232 at intervals, an opening is arranged at one side of the top of the fixing rod 231, the extension part 233 is arranged at the opening of the fixing rod 231, two groups of the locking parts 234 are arranged, the two groups of the locking parts 234 are symmetrically arranged at two sides of the fixing rod 231, the gas collecting hood 3 is driven to extend and adjust forwards through the arrangement of the extension assembly 23, when the extension part 233 needs to extend and adjust, the extension rod 232 is driven to adjust forwards in the fixing rod 231 to extend, after the extension adjustment is completed, the extension rod 232 is limited and fixed by the locking component 234.

The extension component 233 comprises an extension motor 2331, two mounting seats 2332, two driving belts 2333, a driving shaft 2334 and a driving gear 2335, the extension motor 2331 is fixedly arranged at the top of the fixing rod 231, the two mounting seats 2332 are symmetrically arranged at two sides of the opening, the driving shaft 2334 is rotatably arranged on the driving seat, the driving gear 2335 is fixedly arranged at the middle position of the driving shaft 2334, the driving belt 2333 is sleeved on the output shaft of the extension motor 2331 and one end of the driving shaft 2334, at this time, the extension motor 2331 in the extension component 233 works to drive the driving belt 2333 to rotate, the driving belt 2333 drives the driving shaft 2334 on the two mounting seats 2332 to rotate, the driving shaft 2334 drives the driving gear 2335 fixedly connected therewith to synchronously rotate, the driving gear 2335 drives the extension tooth 235 engaged therewith to move, the extending teeth 235 drive the extending rod 232 to perform extending adjustment.

Every group locking part 234 all includes mounting bracket 2341, locking cylinder 2342 and latch segment 2343, mounting bracket 2341 is fixed to be set up on the dead lever 231, locking cylinder 2342 fixed mounting be in mounting bracket 2341's top, the output of locking cylinder 2342 runs through mounting bracket 2341 top, latch segment 2343's one end with locking cylinder 2342's output fixed connection, latch segment 2343's the other end runs through dead lever 231 lateral wall with extension rod 232 conflicts the cooperation, and when extension rod 232 extends the work of locking cylinder 2342 on the back mounting bracket 2341 that finishes, drive latch segment 2343 and promote forward, and latch segment 2343 fixes extension rod 232 locking on dead lever 231.

The pressing component 24 includes a fixed block 241, an electric push rod 242, two guide seats 243 and two guide rods 244, the fixed block 241 is fixedly disposed at one end of the extension rod 232 located outside, the electric push rod 242 is fixedly disposed on the fixed block 241, an output end of the electric push rod 242 is disposed downward, the two guide seats 243 and the two guide rods 244 are both disposed, the two guide seats 243 are both fixedly disposed on the fixed block 241 and respectively located at two sides of the electric push rod 242, the two guide rods 244 are respectively disposed on one guide seat 243, the two guide rods 244 are respectively in sliding fit with one guide seat 243, an output end of the electric push rod 242 and one end of the two guide rods 244 are both fixedly connected with the outside of the gas collecting hood 3, and the gas collecting hood 3 is pressed and fixed on the aluminum electrolytic cell through the setting of the pressing component 24, when the pressing component 24 works, the electric push rod 242 on the fixing block 241 works to drive the gas-collecting hood 3 to work downwards, so that the gas-collecting hood 3 is tightly attached to the aluminum electrolytic cell, and the guide seat 243 and the guide rod 244 play a role in assisting pressing.

The flue gas treatment mechanism 5 comprises a flue gas treatment box 51, a dosing port 52, an exhaust port 53 and a stirring assembly 54, the flue gas treatment box 51 is fixedly arranged on the movable trolley 1, two ends of a connecting hose 4 are respectively communicated with the inside of the flue gas treatment box 51 and the gas collecting hood 3, the dosing port 52 is fixedly arranged at the top of the flue gas treatment box 51, the exhaust port 53 is arranged at one side of the flue gas treatment box 51, an electromagnetic valve 55 is arranged on the exhaust port 53, the stirring assembly 54 is fixedly arranged at the side of the flue gas treatment box 51, the flue gas treatment mechanism 5 is used for conveying harmful gas generated in an aluminum electrolytic cell to the flue gas treatment mechanism 5 through the connecting hose 4 for treatment and then discharging, and the dosing port 52 is arranged for putting medicines such as deodorant liquid into the flue gas treatment box 51, the stirring component 54 is used for mixing and stirring the deodorizing liquid in the flue gas treatment tank 51, and discharging the deodorizing liquid through the exhaust pipe after harmful gas is treated, and the electromagnetic valve 55 is used for controlling the opening and closing operation of the exhaust port 53.

The stirring assembly 54 comprises a fixing plate 541, a stirring motor 542, a linkage belt 543, a stirring shaft 544 and a plurality of stirring blades 545, the fixing plate 541 is fixedly arranged at one side of the flue gas treatment tank 51, the stirring motor 542 is fixedly arranged on the fixing plate 541, the stirring shaft 544 is rotatably installed at the middle section of the flue gas treatment box 51, a plurality of stirring blades 545 are fixedly arranged on the stirring shaft 544 at intervals in the circumferential direction, the linkage belt 543 is sleeved on the output shaft of the stirring motor 542 and one end of the stirring shaft 544, when the stirring assembly 54 works, the stirring motor 542 on the fixing plate 541 works to drive the linkage belt 543 to rotate, the linkage belt 543 drives the stirring shaft 544 to rotate, the stirring shaft 544 drives the stirring blades 545 to rotate, and the stirring blades 545 mix and stir the deodorant solution.

The working principle of the invention is as follows: when the harmful gas generated by the reaction of the aluminum electrolytic cell needs to be collected and treated, firstly, the equipment is moved to a designated point by using the moving cart 1, then the gas collecting hood 3 is adjusted to the aluminum electrolytic cell by using the adjusting mechanism 2 to cover the aluminum electrolytic cell, the rotating component 21 in the adjusting mechanism 2 is used for driving the gas collecting hood 3 to automatically rotate and adjust, the lifting component 22 is used for driving the gas collecting hood 3 to automatically lift and adjust, the extension component 23 is used for driving the gas collecting hood 3 to forwardly extend and adjust, the gas collecting hood 3 is tightly pressed and fixed on the aluminum electrolytic cell by the pressing component 24, after the gas collecting hood 3 is tightly connected with the aluminum electrolytic cell, the harmful gas generated in the aluminum electrolytic cell is conveyed into the smoke treatment mechanism 5 through the connecting hose 4 to be treated and then discharged, so as to prevent the harmful gas from being emitted into the air to cause environmental damage, the invention can better collect and process the smoke generated in the aluminum electrolytic cell by matching each component in the mechanism, prevents harmful gas from being emitted into the air to cause the damage of the environment, and has higher practicability.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, those skilled in the art will appreciate that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.