阅读说明：本技术 单螺距尾气搅拌装置 (Single-pitch tail gas stirring device ) 是由 李建飞 杨志静 包晓波 殷杰 于 2021-10-11 设计创作，主要内容包括：本发明公开了一种单螺距尾气搅拌装置,该搅拌装置包括动力组件、存储组件及清理组件,清理组件包括搅拌轴和搅拌叶片,搅拌轴一端与动力组件连接,另一端与搅拌叶片连接,搅拌轴与搅拌叶片连接的部分位于存储组件内,搅拌叶片自存储组件的待清理区域的第一端延伸至第二端,动力组件通过搅拌轴带动搅拌叶片旋转,以将附着在存储组件内侧壁的粘附物刮落。该搅拌装置能够及时清理附着在存储组件内壁的粘附物,避免因粘附物累积而降低工作效率。该搅拌装置应用在气体排放设备时,一方面能够及时清理附着在存储组件内壁的粘附物,另一方面能够强迫气体对流,加速其从进气口流动到排气口,从而提高气体排出效率。(The invention discloses a single-pitch tail gas stirring device which comprises a power assembly, a storage assembly and a cleaning assembly, wherein the cleaning assembly comprises a stirring shaft and a stirring blade, one end of the stirring shaft is connected with the power assembly, the other end of the stirring shaft is connected with the stirring blade, the part of the stirring shaft connected with the stirring blade is positioned in the storage assembly, the stirring blade extends from the first end to the second end of the area to be cleaned of the storage assembly, and the power assembly drives the stirring blade to rotate through the stirring shaft so as to scrape off adherends attached to the inner side wall of the storage assembly. The stirring device can timely clean the adhesive attached to the inner wall of the storage assembly, and the reduction of the working efficiency due to the accumulation of the adhesive is avoided. This agitating unit uses when gas emission equipment, can in time clear up the adhesion thing of adhering to at the storage assembly inner wall on the one hand, and on the other hand can force the gas convection, accelerates it to flow to the gas vent from the air inlet to improve gas discharge efficiency.)

1. The utility model provides a single pitch tail gas agitating unit, includes power component, storage component and clearance subassembly, the clearance subassembly includes (mixing) shaft and stirring vane, (mixing) shaft one end with power component connects, the other end with stirring vane connects, the (mixing) shaft with the part that stirring vane connects is located in the storage component, a serial communication port, stirring vane certainly storage component's the regional first end of treating the clearance extends to the second end, power component passes through the (mixing) shaft drives stirring vane is rotatory to the adherent that will adhere to in the storage component inside wall is scraped off.

2. The single pitch exhaust gas stirring device of claim 1, wherein the gap between the outer edge of the stirring blade and the inner side wall of the storage assembly is 8-12 mm.

3. The single pitch tail gas stirring device of claim 1 or 2, wherein the stirring blade is a helical ribbon structure, and the stirring blade is helically wound around the stirring shaft.

4. The single pitch tail gas blender of claim 3 wherein the cleaning assembly further comprises a plurality of struts, one end of the struts being connected to the blender shaft and the other end being connected to the blending blade.

5. The single pitch tail gas stirring device of claim 1 or 2, wherein the stirring blade is of a frame-type structure, and a longitudinal center line of the stirring blade is collinear with a center line of the stirring shaft.

6. The single pitch exhaust gas blending device of claim 1 or 2, wherein the storage assembly is provided with an exhaust port and an intake port, the intake port and the exhaust port being in communication with each other, the exhaust port being adapted for connection to an exhaust assembly, and the intake port being adapted for connection to an intake pipe.

7. The single-pitch tail gas stirring device of claim 6, further comprising a connecting assembly, wherein the connecting assembly comprises a connecting flange and a connecting pipe, the connecting flange is sleeved outside the stirring shaft, one end of the connecting flange is connected with the storage assembly, the other end of the connecting flange is connected with the first end of the connecting pipe, and the second end of the connecting pipe is connected with the power assembly.

8. The single-pitch tail gas stirring device of claim 7, wherein the connecting assembly further comprises a shaft sleeve, a sealing base, a sealing gland and a sealing medium, wherein the shaft sleeve is fixedly connected with the stirring shaft; the sealing base is sleeved outside the shaft sleeve, and a first end of the sealing base is connected with the connecting flange; the sealing medium is filled into a gap between the shaft sleeve and the sealing base, the sealing gland compresses the sealing medium, and the sealing gland is connected with the second end of the sealing base to prevent gas from leaking from the storage assembly to the connecting assembly.

9. The single pitch tail gas blender of claim 8 wherein the outer surface of said sleeve in contact with said sealing medium is coated with an abrasion resistant layer.

10. The single pitch tail gas blender of claim 8 wherein the sealing media is graphite packing and/or the storage assembly is provided with a cleaning port, the cleaning port having a cleaning cover mounted thereon, the cleaning cover being capable of opening or closing the cleaning port.

Technical Field

The invention relates to the field of stirring equipment, in particular to a single-pitch tail gas stirring device.

Background

In the prior art, high-temperature tail gas generated by mixing lithium battery raw materials needs to be discharged to a purifying device through a gas discharging device for purification treatment. In the discharging process, a large amount of impurities carried in the tail gas are continuously adhered to the inner wall of the gas discharging equipment and continuously accumulated, so that the volume inside the gas discharging equipment is continuously reduced, the gas discharging efficiency is continuously reduced, and the gas discharging effect is influenced. Since the adhered impurities cannot be removed, when they are accumulated to a certain extent on the inner wall of the gas discharge apparatus, the gas discharge effect has been greatly affected, and at this time, a new gas discharge apparatus must be replaced, which not only involves high equipment cost and labor cost, but also requires the apparatus to be stopped for replacement operation, thereby greatly reducing the production efficiency.

Disclosure of Invention

The invention provides a single-pitch tail gas stirring device, which aims to overcome the defect that impurities are adhered to and accumulated on the inner wall of a storage assembly to reduce the working efficiency in the prior art.

The invention solves the technical problems through the following technical scheme:

the utility model provides a single pitch tail gas agitating unit, including power component, storage subassembly and clearance subassembly, the clearance subassembly includes (mixing) shaft and stirring vane, (mixing) shaft one end is connected with power component, the other end is connected with stirring vane, the part that (mixing) shaft and stirring vane are connected is located storage subassembly, stirring vane extends to the second end from storage subassembly's the regional first end of treating the clearance, power component passes through the (mixing) shaft and drives stirring vane rotation, will adhere to the adherent of storage subassembly inside wall and scrape down.

According to the invention, the stirring blade extends from the first end to the second end of the area to be cleaned of the storage assembly, so that when the power assembly drives the stirring blade to rotate through the stirring shaft, the cleaning range of the stirring blade covers the whole inner side wall of the storage assembly, and therefore, adhered objects attached to the inner side wall of the storage assembly are scraped off, and a better cleaning effect is achieved.

Preferably, the clearance between the outer edge of the stirring blade and the inner side wall of the storage component is 8-12 mm.

In the scheme, the clearance between the outer edge of the stirring blade and the inner side wall of the storage assembly is 8-12mm, so that on one hand, adhered objects attached to the inner side wall of the storage assembly can be scraped off, and on the other hand, the stirring blade is prevented from contacting with the inner side wall of the storage assembly, and further friction and collision are caused.

Preferably, the stirring blade is of a spiral ribbon structure, and the stirring blade is spirally wound on the stirring shaft.

The spiral shell belt stirring vane that this scheme adopted uses material fewly, stirs efficient, easy washing to have good adhesion effect of preventing when the stirring.

Preferably, the cleaning assembly further comprises a plurality of support rods, one end of each support rod is connected with the stirring shaft, and the other end of each support rod is connected with the stirring blade.

In the scheme, the stirring shaft is connected with the stirring blades through the support rods, so that the stirring blades can be reliably fixed, and the stirring and cleaning efficiency is improved; on the other hand, the loosening and even falling of the stirring blade after long-time stirring is avoided, so that the inner wall of the storage assembly is scratched.

Preferably, the stirring blade is of a frame-shaped structure, and the longitudinal center line of the stirring blade is collinear with the center line of the stirring shaft.

In this scheme, the stirring vane of frame type structure can realize the scraping of the full coverage formula of storage component inside wall, and the shape is simple still simultaneously, has advantage with low costs, workable.

Preferably, the storage assembly is provided with an air outlet and an air inlet, the air inlet and the air outlet being in communication with each other, the air outlet being adapted to be connected to the air exhaust assembly and the air inlet being adapted to be connected to the air inlet pipe.

According to the invention, a single-pitch tail gas stirring device is added in the known gas emission equipment, the stirring device comprises a power assembly, a storage assembly and a cleaning assembly, the cleaning assembly comprises a stirring shaft and stirring blades, and the stirring blades extend from the first end to the second end of the region to be cleaned of the storage assembly, so that when the power assembly drives the stirring blades to rotate through the stirring shaft, the cleaning range of the stirring blades covers the inner side wall of the whole storage assembly, and on one hand, full-coverage scraping is realized on the inner side wall of the cleaning assembly, so that adhered impurities are scraped off, and the gas emission efficiency is improved. On the other hand, the stirring device can force the gas to flow in a convection manner, so that the gas flowing from the gas inlet to the gas outlet is accelerated, and the gas discharge efficiency is improved.

Preferably, this single pitch tail gas agitating unit still includes coupling assembling, and coupling assembling includes flange and connecting pipe, and the (mixing) shaft outside is located to the flange cover, and flange one end is connected with storage component, and the other end is connected with the first end of connecting pipe, and the connecting pipe second end is connected with power component.

In this scheme, set up coupling assembling between power component and storage subassembly, this coupling assembling can make power component keep away from the storage subassembly as far as possible to make power component avoid the influence of exhaust gas as far as possible, consequently extension power component's life-span.

Preferably, the connecting assembly further comprises a shaft sleeve, a sealing base, a sealing gland and a sealing medium, wherein the shaft sleeve is fixedly connected with the stirring shaft; the sealing base is sleeved outside the shaft sleeve, and the first end of the sealing base is connected with the connecting flange; sealing medium is filled into a gap between the shaft sleeve and the sealing base, the sealing gland compresses the sealing medium, and the sealing gland is connected with the second end of the sealing base to prevent gas from leaking to the connecting assembly from the storage assembly.

In this scheme, coupling assembling further sets up axle sleeve, sealing base, gland and sealing medium after, can prevent effectively that gas from storing subassembly from leaking to coupling assembling to further leak to power component, thereby prolong power component's life-span, still guarantee whole gas emission equipment's gas tightness simultaneously, improve emission efficiency.

Preferably, the outer surface of the shaft sleeve contacting the sealing medium is coated with a wear-resistant layer.

In this scheme, the outer surface coating wear-resisting layer of axle sleeve and sealing medium contact can increase the wearability of axle sleeve, prolongs the life-span of axle sleeve.

Preferably, the sealing medium is a graphite packing, and/or the storage assembly is provided with a cleaning opening, a cleaning cover is mounted at the cleaning opening, and the cleaning opening can be opened or closed by the cleaning cover.

The graphite packing that this scheme adopted has high temperature resistant, anticorrosive, sealed effectual advantage, consequently can effectively prevent that gas from storing subassembly to coupling assembling and power component, prolongs power component's life-span, guarantees whole gas emission equipment's gas tightness, improves emission efficiency.

In this scheme, storage component sets up clearance mouth and clearance lid, and the clearance mouth can be opened or close to the clearance lid, is convenient for to (mixing) shaft and stirring vane inspection and clearance, improves work efficiency.

The positive progress effects of the invention are as follows:

1. the single-pitch tail gas stirring device can timely clean the adhesive attached to the inner wall of the storage assembly, and the reduction of the working efficiency due to the accumulation of the adhesive is avoided.

2. The single-pitch tail gas stirring device arranged in the existing gas emission equipment can timely clean the adhered substances attached to the inner wall of the storage assembly, and the reduction of the gas emission efficiency due to the accumulation of the adhered substances is avoided.

3. The single-pitch tail gas stirring device arranged in the existing gas discharge equipment can force gas convection to accelerate the gas to flow to the exhaust port from the gas inlet, so that the gas discharge efficiency is improved.

Drawings

FIG. 1 is a schematic view showing the overall configuration of a gas processing apparatus in example 1 of the present invention.

FIG. 2 is a schematic view of a ribbon stirring blade in example 1 of the present invention.

Fig. 3 is a schematic view of a seal portion in embodiment 1 of the present invention.

FIG. 4 is a schematic view of a frame-type stirring vane in example 2 of the present invention.

Description of reference numerals:

power assembly 10

Motor 11

Speed reducer 12

Connection assembly 20

Connecting pipe 21

Attachment flange 22

Bushing 231

Sealing base 232

Sealing gland 233

Sealing medium 234

Set screw 235

Supporting plate 24

Deep groove ball bearing 25

Heat dissipation opening 26

Storage assembly 30

Air inlet 31

Exhaust port 32

Cleaning port 33

Cleaning cover 34

Heat insulation pad 35

Cleaning assembly 40

Stirring shaft 41

Reducer shaft 411

Sealing shaft part 412

Main shaft part 413

Stirring vane 42

Brace rod 43

Center line 50

Exhaust assembly 60

Detailed Description

The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.

Example 1

Fig. 1 is a schematic view showing the overall configuration of a gas processing apparatus according to embodiment 1 of the present invention.

The gas discharge apparatus of embodiment 1 of the present invention includes a single-pitch tail gas stirring device and a gas discharge assembly 60. This single pitch tail gas agitating unit includes power component 10, storage component 30 and clearance subassembly 40, and storage component 30 is equipped with gas vent 32 and air inlet 31, and air inlet 31 and gas vent 32 communicate each other, and air inlet 31 be used for with intake-tube connection, and gas vent 32 is connected with exhaust subassembly 60. Cleaning assembly 40 includes (mixing) shaft 41 and stirring vane 42, and (mixing) shaft 41 one end is connected with power component 10, and the other end is connected with stirring vane 42, and the part that (mixing) shaft 41 is connected with stirring vane 42 is located storage assembly 30, and stirring vane 42 extends from the first end of the regional to be cleaned of storage assembly 30 to the second end. After entering the storage assembly 30 through the air inlet pipe, the gas flows to the air outlet 32 and then is discharged to the air outlet assembly 60, and finally enters the purification treatment equipment for purification treatment. Meanwhile, the power assembly 10 drives the stirring blade 42 to rotate through the stirring shaft 41, and the cleaning range of the stirring blade 42 covers the whole inner side wall of the storage assembly 30, so that on one hand, adhered objects attached to the inner side wall of the storage assembly 30 can be scraped off, and on the other hand, air convection is forced to accelerate the air to flow from the air inlet 31 to the air outlet 32, so that the emission efficiency is improved.

As shown in fig. 1, the power assembly 10 includes a motor 11 and a speed reducer 12. The motor 11 and the speed reducer 12 are connected in a direct connection manner to generate driving force, the speed reducer 12 and the stirring shaft 41 are connected in a direct connection manner to transmit torque, and the stirring shaft 41 and the helical stirring blades 42 are driven to rotate at a specific rotating speed, so that the adhered matters attached to the inner side wall of the storage assembly 30 are scraped off. It should be noted that the power unit 10 is not limited to the motor 11 and the speed reducer 12 mentioned in embodiment 1, and may be any component capable of generating a driving force, such as an internal combustion engine, a steam turbine, or the like.

As shown in fig. 2, the stirring vane 42 has a spiral ribbon structure, i.e., a ribbon-type stirring vane 42, and the ribbon-type stirring vane 42 is spirally wound around the stirring shaft 41. The helical ribbon type stirring blades 42 have equal screw pitches, that is, from the direction perpendicular to the cross section of the stirring shaft 41, the whole helical ribbon type stirring blades 42 are connected end to form a closed circle, and the circle takes the center line 50 of the stirring shaft 41 as the center of the circle, so that the helical ribbon type stirring blades 42 can scrape the inner side wall of the storage assembly 30 from top to bottom 360 degrees in the rotating process, that is, the helical ribbon type stirring blades move circumferentially along the inner side wall of the storage assembly 30 to scrape off materials adhered to the inner side wall, the accumulation of adhered materials is avoided, and finally, the wall hanging phenomenon formed on the inner side wall of the storage assembly 30 in the high-temperature tail gas discharging process is effectively prevented. The helical ribbon stirring blade 42 has the advantages of less material consumption, high stirring efficiency, easy cleaning and good anti-adhesion effect during stirring. And the screw belts with the same screw pitch are simple to manufacture and can achieve a good wall scraping effect.

As shown in fig. 2, the stirring shaft 41 includes a reducer shaft portion 411, a connecting shaft portion 412, and a main shaft portion 413. The stirring shaft 41 is a solid shaft, and the strength of the solid shaft is high, so that the service life of the stirring shaft 41 can be prolonged. Specifically, the reducer shaft portion 411 is inserted into the reducer 12 so as to transmit torque; the main shaft 413 is provided with 5 through holes with equal distance, one end of 5 support rods 43 is inserted into the through holes respectively to be welded with the stirring shaft 41, the other end of each support rod 43 is welded with the helical stirring blade 42, and each support rod 43 rotates 90 degrees around the axis than the adjacent support rod 43 when viewed from the direction perpendicular to the cross section of the stirring shaft 41. The welding of the stay bar 43 with the stirring shaft 41 and the helical stirring blades 42 can reliably fix the helical stirring blades 42 on one hand, and the stirring and cleaning efficiency is improved; on the other hand, the looseness and even the falling off of the helical ribbon type stirring blade 42 after long-time stirring are avoided, so that the inner wall of the storage assembly 30 is scratched. As shown in FIG. 1, the clearance between the outer edge of the stirring blade 42 and the inner side wall of the storage assembly 30 is 8-12mm, so that on one hand, the adhered substances adhered to the inner side wall of the storage assembly 30 can be scraped off, and on the other hand, the stirring blade 42 is prevented from contacting with the inner side wall of the storage assembly 30, so that friction and collision can occur.

As shown in fig. 1, the gas discharge apparatus may further include a connection assembly 20, the connection assembly 20 includes a connection flange 22 and a connection pipe 21, the connection flange 22 is sleeved outside the stirring shaft 41, one end of the connection flange 22 is connected to the storage assembly 30, the other end is connected to a first end of the connection pipe 21, and a second end of the connection pipe 21 is connected to the power assembly 10. The connecting pipe 21 is a long pipe structure in the middle of the flange type at two ends, and the connecting pipe 21 of the long pipe structure can make the speed reducer 12 and the motor 11 far away from the high-temperature gas in the storage assembly 30, so as to prevent the high-temperature gas from shortening the service life of the speed reducer 12 and the motor 11.

Furthermore, as shown in fig. 1, a support plate 24 with a hole is welded in the middle of the connecting pipe 21, a deep groove ball bearing 25 with a sealing ring is mounted on the support plate 24 by using a bolt, the stirring shaft 41 can be effectively fixed by the connecting pipe 21, the speed reducer 12 and the storage assembly 30, the speed reducer 12 and the deep groove ball bearing 25, shaft swinging caused by the long stirring shaft 41 is avoided, and oil contamination leakage of the sealing ring can be effectively prevented.

As shown in fig. 1, the connection pipe 21 may further include a rectangular heat dissipation opening 26, the heat dissipation opening 26 may be used to observe the sealing condition of the pipe shaft for maintenance, and on the other hand, the heat inside the connection pipe 21 may be dissipated to prevent the high temperature gas from shortening the life of the sealing portion.

As shown in fig. 3, further, the connection assembly 20 may further include a shaft sleeve 231, a sealing base 232, a sealing gland 233 and a sealing medium 234, the shaft sleeve 231 and the stirring shaft 41 are fixedly connected to the shaft sleeve 231 and the stirring shaft 41, and the shaft sleeve 231 is fixedly connected to the stirring shaft 41 through a set screw 235; the sealing base 232 is sleeved outside the shaft sleeve 231, and a first end of the sealing base 232 is connected with the connecting flange 22; the sealing medium 234 is filled in the gap between the bushing 231 and the sealing seat 232, the sealing gland 233 compresses the sealing medium 234, and the sealing gland 233 is coupled to the second end of the sealing seat 232 to prevent gas from leaking from the storage assembly 30 to the coupling assembly 20.

After the connecting assembly 20 is further provided with the shaft sleeve 231, the sealing base 232, the sealing gland 233 and the sealing medium 234, gas can be effectively prevented from leaking from the storage assembly 30 to the connecting assembly 20 and further leaking to the power assembly 10, so that the service life of the power assembly 10 is prolonged, meanwhile, the gas tightness of the whole gas discharge device is ensured, and the discharge efficiency is improved.

As shown in fig. 3, the outer surface of the sleeve 231 in contact with the sealing medium 234 is coated with a wear-resistant layer, which may be chromium or nickel. The wear-resistant layer may increase the wear resistance of the sleeve 231 and prolong the life of the sleeve 231.

As shown in fig. 3, the sealing medium 234 is a graphite packing. The graphite packing has the advantages of high temperature resistance, corrosion resistance and good sealing effect, so that gas can be effectively prevented from leaking to the connecting assembly 20 and the power assembly 10 from the storage assembly 30, the service life of the power assembly 10 is prolonged, the gas tightness of the whole gas emission device is ensured, and the emission efficiency is improved. It should be noted that the sealing medium 234 is not limited to graphite packing, and the sealing medium 234 may be any material that can perform a sealing function, such as silica gel, carbon fiber packing, asbestos packing, or mud packing.

As shown in FIG. 1, a cleaning opening 33 is formed in one side of the storage assembly 30, a flange-type cleaning cover 34 covers the cleaning opening 33 on the whole and is fixedly connected with the storage assembly 30 through a bolt and a heat insulation pad 35, so that the cleaning opening 33 can be opened and closed by easily disassembling and assembling the cleaning cover 34, and the storage assembly 30, a stirring shaft 41 and stirring blades 42 can be cleaned and checked in the later period conveniently.

Furthermore, an insulating pad 35 can be installed between the cleaning opening 33 and the cleaning cover 34, and the insulating pad 35 can also be pre-installed on the cleaning opening 33 or the cleaning cover 34, and the insulating pad 35 can effectively prevent gas from leaking out of the cleaning opening 33.

Example 2

The single-pitch tail gas stirring device in this embodiment has substantially the same structure as that in embodiment 1, except for the structure of the stirring blade 42. The same reference numerals in this embodiment as those in embodiment 1 denote the same elements.

As shown in fig. 4, the stirring vane 42 has a frame-shaped structure, and a longitudinal center line 50 of the stirring vane 42 having the frame-shaped structure is collinear with a center line 50 of the stirring shaft 41.

The stirring blade 42 with the frame structure can realize full-coverage scraping on the inner side wall of the storage component 30, and has the advantages of simple shape, low cost and easiness in processing.