CN212440568U

CN212440568U - Pulse dust tail gas treatment device

Info

Publication number: CN212440568U
Application number: CN202020686197.XU
Authority: CN
Inventors: 余荣和; 郭瀚程; 余梦
Original assignee: Luoshan County Zhongyuan Polymer Co ltd
Current assignee: Luoshan County Zhongyuan Polymer Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-02-02
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to a pulse dust tail gas treatment device, which effectively solves the problems that the existing device has gas emission and remains fine particles, and the equipment is easy to be damaged due to frequent switching; the technical scheme includes that the cyclone separator comprises a cyclone separator main body, wherein a feeding port arranged on the left side is formed in the upper end of the cyclone separator main body, a dust-containing gas outlet arranged on the right side is formed in the upper end of the cyclone separator main body, and an operation plate extending to the lower end of the cyclone separator main body is fixed at the lower end of the dust-containing gas outlet; the front ends of the dusty gas outlets are provided with two separated outlet channels, the front ends of the two outlet channels are respectively provided with a transition bin which penetrates through the front and the back, the front ends of the two transition bins are respectively fixed with an air outlet cylinder, and the front ends of the two air outlet cylinders are respectively fixed with a filter screen; the two outlet channels are matched with the partition plates in a sliding manner along the vertical direction, and the two partition plates can respectively seal the corresponding outlet channels when sliding; the transition bin is in sliding fit with the operating plate along the vertical direction; the utility model discloses the tail gas treatment is effectual, changes simply, and is efficient.

Description

Pulse dust tail gas treatment device

Technical Field

The utility model relates to a pulse dust processing technology field specifically is a pulse dust tail gas processing apparatus.

Background

The production of polyacrylamide takes acrylamide aqueous solution as raw material, polymerization reaction is carried out under the action of an initiator, and the polyacrylamide gel block generated after the reaction is finished is cut, granulated, dried and crushed to finally obtain the polyacrylamide product.

The polyacrylamide colloid particles are separated by a cyclone separator after being dried, the cyclone separator is a device for separating a gas-solid system or a liquid-solid system, and the working principle is that solid particles or liquid drops with larger inertial centrifugal force are thrown to the outer wall surface to be separated by the rotating motion caused by tangential introduction of airflow.

The cyclone separator has the main characteristics of simple structure, high operation flexibility, high efficiency, convenient management and maintenance and low price, is used for collecting dust with the diameter of more than 5-10 mu m, is widely applied to the pharmaceutical industry, is particularly suitable for being used as an internal separation device of a fluidized bed reactor or a pre-separator under the conditions of coarse dust particles, high dust concentration and high temperature and high pressure, and is separation equipment with wide industrial application.

The tail gas of polyacrylamide colloid particles after separation by a cyclone separator still contains fine particles, the direct discharge can cause pollution to air and influence the health of personnel, a bag-type dust remover is additionally arranged at an exhaust port for filtration, but dust-containing tail gas enters a dust remover to directly impact a filter bag, the filter bag directly retains dust, the dust is retained quickly, the dust removal efficiency of the filter bag is reduced quickly, frequent pulse back-blowing dust removal is caused, the filter working time of the dust remover is short, the efficiency is low, and the equipment is easy to damage after frequent switching; and because cyclone is higher, its gas vent sets up in the upper end again, and the change of its filter bag is more difficult.

In order to solve the above problems, a pulse dust exhaust gas treatment device is particularly important.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a pulse dust tail gas processing apparatus, effectual gaseous emission of having solved current pulse dust tail gas processing apparatus processing back persists fine particle, and dust remover filtration operating time is short, inefficiency, and the fragile problem of equipment frequent switching.

The utility model comprises a cyclone separator main body, and is characterized in that the upper end of the cyclone separator main body is provided with a feeding port arranged on the left side, the upper end of the cyclone separator main body is provided with a dust-containing gas outlet arranged on the right side, and the lower end of the dust-containing gas outlet is fixed with an operation plate extending to the lower end of the cyclone separator main body;

the front ends of the dusty gas outlets are provided with two separated outlet channels, the front ends of the two outlet channels are respectively provided with a transition bin which penetrates through the front and the back, the front ends of the two transition bins are respectively fixed with an air outlet cylinder, and the front ends of the two air outlet cylinders are respectively fixed with a filter screen;

the two outlet channels are provided with partition plates in a sliding fit manner along the vertical direction, and the two partition plates can respectively seal the corresponding outlet channels when sliding;

the transition bin and the operation plate are arranged in a sliding fit mode along the vertical direction.

Preferably, the two partition plates are in an initial state, one is a closed state to close the corresponding outlet channel, and the other is an open state to open the corresponding outlet channel.

Preferably, pressure sensors are mounted on the inner walls of the two air outlet cylinders, buzzers are fixed at the upper ends of the two transition bins, and the pressure sensors are electrically connected with the buzzers, so that the buzzers buzze when the pressure of the inner walls of the air outlet cylinders is increased.

Preferably, two baffle relative position all is fixed with the rack along vertical direction, two be provided with between the rack with two the gear of rack equal meshing, gear and operation panel normal running fit set up.

Preferably, the operation panel is provided with two lead screws in a rotating fit manner along the vertical direction, the two lead screws are respectively in threaded fit with the two transition bins, the lower end of the operation panel is fixed with two hollow operation boxes, the lower ends of the two lead screws are coaxially fixed with first bevel gears arranged inside the operation boxes, the first bevel gears are meshed with second bevel gears, the second bevel gears are in rotating fit with the operation boxes, and rotating handles arranged outside the operation boxes are coaxially fixed on the second bevel gears.

Preferably, the lower ends of the two partition plates are provided with limiting plates fixed on the operating plate, so that when the lower end of any partition plate contacts with the limiting plate to open the corresponding outlet channel, the other partition plate just moves to close the corresponding outlet channel.

Preferably, the partition board corresponding to the outlet channel is closed in an initial state, the lower end of the partition board is fixedly connected with the limiting plate through the spring, a steel wire rope penetrating through the limiting plate and extending to the lower end of the operating plate is fixed to the lower end of the partition board, a hanging ring is fixed to the lower end of the steel wire rope penetrating through the operating plate, and two hanging columns are fixed to the lower end of the operating plate in the vertical direction.

Preferably, the transition bin and the air outlet cylinder are movably arranged.

Preferably, the transition bin is provided with a dust collecting box in a sliding fit manner along the left and right directions.

The utility model discloses the structure is ingenious, and the practicality is strong, has following advantage:

(1) this device can avoid the problem that traditional cyclone directly discharged gas is not up to standard, filters the tiny particle to gas, avoids the tail gas after the separation still to contain the tiny particle after discharging, and direct emission can cause the pollution and influence personnel health to the air.

(2) This device is through two filter screen work in turn, avoids appearing the problem of the damage that causes the device when the filter screen blocks up.

(3) The filter screen is more convenient to replace, and another filter screen works normally during replacement, so that the use of the whole device is not influenced.

(4) The filter screen is replaced by the device without the need of workers at a high position, the use is convenient, and the replacement efficiency and safety are greatly improved.

Drawings

Fig. 1 is a perspective view of the present invention, fig. 1.

Fig. 2 is a schematic front view of the present invention.

Fig. 3 is a perspective view of the cyclone separator of the present invention.

Fig. 4 is a perspective view of the present invention, which is schematically illustrated in fig. 2.

Fig. 5 is a schematic cross-sectional view of the outlet of the dust-laden gas of the present invention.

Fig. 6 is a schematic overall sectional view of the present invention.

Fig. 7 is a perspective view of the partition board of the present invention.

Fig. 8 is a schematic front view of the operation panel of the present invention.

Fig. 9 is an enlarged view of a portion a in fig. 6 according to the present invention.

Fig. 10 is a perspective view of the cyclone separator of the present invention after removing the cyclone separator.

Reference numerals: 1. a cyclone main body; 2. a feeding port; 3. a dusty gas outlet; 4. an operation panel; 5. an outlet channel; 6. a transition bin; 7. an air outlet cylinder; 8. a filter screen; 9. a partition plate; 10. a humming device; 11. a rack; 12. a gear; 13. A lead screw; 14. an operation box; 15. a first bevel gear; 16. a second bevel gear; 17. a handle is rotated; 18. a limiting plate; 19. a spring; 20. a wire rope; 21. hanging a ring; 22. hanging a column; 23. a dust collecting box.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 10. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

An embodiment, the utility model relates to a pulse dust tail gas processing apparatus, including cyclone main part 1, the cyclone of here is a current device, is an equipment that is used for the separation of gas-solid system or liquid-solid system, and theory of operation is for leaning on the air current tangential to introduce the rotary motion that causes, makes solid particle or liquid drop that have great inertial centrifugal force get rid of outside wall separately, is the industrial very wide splitter who uses.

In a penetrating cyclone separator, an exhaust port directly discharges filtered gas, when the device is used for treating polyacrylamide, tail gas of polyacrylamide colloid particles separated by the cyclone separator still contains fine particles, the tail gas directly discharges the tail gas which can pollute air and influence the health of people, in order to solve the problem, please refer to fig. 1, the upper end of a cyclone separator main body 1 is provided with a feeding port 2 arranged on the left side, the upper end of the cyclone separator main body 1 is provided with a dust-containing gas outlet 3 arranged on the right side, the feeding port 2 and the dust-containing gas outlet 3 are consistent with the structure of the traditional cyclone separator (raw materials enter a cyclone separation area in the device through the feeding port 2, after the impurity-containing raw materials enter the cyclone separation pipe along the axial direction, airflow is strongly rotated under the guide effect of guide vanes, and enters a cyclone cylinder along the cylinder in a spiral shape, liquid drops and dust particles with high density are thrown to the wall of the device under the action of centrifugal force, fall along the cylinder wall and flow out to a liquid storage area at the bottom of the device under the action of gravity, flow out from the bottom of the device, and the rotating airflow contracts in the cylinder body and flows to the center to form a secondary vortex upwards, flows to a natural gas purifying chamber through an air duct and then flows to a dust-containing gas outlet 3 at the top of the device;

referring to fig. 1, an operation plate 4 extending to the lower end of the cyclone main body 1 is fixed to the lower end of the dust-containing gas outlet 3;

the front ends of the dust-containing gas outlets 3 are provided with two separated outlet channels 5, please refer to fig. 3, the front ends of the two outlet channels 5 are respectively provided with a transition bin 6 which penetrates through the front and the back, the front ends of the two transition bins 6 are respectively fixed with a gas outlet cylinder 7, and the front ends of the two gas outlet cylinders 7 are respectively fixed with a filter screen 8;

the two outlet channels 5 are respectively provided with a partition plate 9 in a sliding fit manner along the vertical direction, and the two partition plates 9 can respectively seal the corresponding outlet channels 5 when sliding;

the transition bin 6 and the operating plate 4 are arranged in a sliding fit mode along the vertical direction.

When the device is used specifically, raw materials firstly enter a cyclone separation area in the device through a feeding port 2, after the raw materials containing impurities enter a cyclone separation tube along the axial direction, airflow is strongly rotated under the guide action of guide vanes, the airflow spirally enters a cyclone cylinder body downwards along the cylinder body, liquid drops and dust particles with high density are thrown to the wall of the device under the action of centrifugal force, and fall to a liquid storage area at the bottom of the device along the cylinder wall under the action of gravity, and flow out from the bottom of the device, the rotated airflow contracts in the cylinder body to flow towards the center, flows upwards to form a secondary vortex, flows to a natural gas purification chamber through an air guide tube, and then flows to a dust-containing gas outlet 3 at the top of the device;

at this time, because the two partition plates 9 can respectively seal the corresponding outlet channels 5 when sliding, one partition plate 9 seals the corresponding outlet channel 5, the other partition plate is opened, and only one outlet channel 5 is a passage at this time, only one transition bin 6 is a passage, and finally only one air outlet cylinder 7 is a passage, and only one filter screen 8 is in a working state;

the purpose of filtering fine particles still contained in the tail gas separated by the cyclone separator is finally achieved, when the filter screen 8 is blocked or damaged for a long time, a user switches the closed and opened states of the two partition plates 9 to enable the other filter screen 8 to start to work; transition bin 6 sets up along vertical direction sliding fit with operation panel 4 for during the maintenance, can go on transition bin 6 falls to the lower extreme, and its baffle 9 that corresponds this moment is in the encapsulated situation.

In the second embodiment, on the basis of the first embodiment, two initial states of the partition plates 9 are that one is a closed state and closes the corresponding outlet channel 5, and the other is an open state and opens the corresponding outlet channel 5.

In the third embodiment, in addition to the second embodiment, in order to realize accurate sensing of the clogging state of the filter screen 8 by the user, pressure sensors are attached to the inner walls of the two outlet cylinders 7, buzzers 10 are fixed to the upper ends of the two transition bins 6, and the pressure sensors are electrically connected to the buzzers 10, so that the buzzers 10 buzze when the pressure on the inner walls of the outlet cylinders 7 increases.

When the exhaust gas purifying device is used specifically, after the exhaust gas separated by the cyclone separator is filtered by the filter screen 8 for a long time, the filter screen 8 is blocked or the filtering effect is poor, the airflow at the moment can gradually increase the air pressure on the inner wall of the air cylinder 7 due to the blockage, then the pressure sensors mounted on the inner wall of the air cylinder 7 sense the pressure and transmit signals to the buzzer 10 which is electrically connected, the buzzer 10 buzzes to prompt a user, the power supply is a built-in power supply, and the pressure sensors and the buzzer 10 both adopt the prior art.

In the fourth embodiment, on the basis of the third embodiment, in order to facilitate the opening and closing switching of the two partition plates 9, please refer to fig. 6 and 9, racks 11 are fixed at the opposite positions of the two partition plates 9 along the vertical direction, a gear 12 engaged with the two racks 11 is arranged between the two racks 11, and the gear 12 is arranged in a rotating fit with the operating plate 4.

This embodiment is when specifically using, at first when switching to a baffle 9 state, and it removes along vertical direction, then drives the gear 12 rotation with rack 11 meshing, finally realizes that gear 12 drives the effect of another baffle 9 antiport, then easily realizes opening closed state switching of two baffles 9.

In a fifth embodiment, on the basis of the fourth embodiment, in order to achieve better movement of the transition bin 6 in the vertical direction, please refer to fig. 4 and 10, the operation plate 4 is provided with two lead screws 13 in a rotating fit in the vertical direction, the two lead screws 13 are respectively in a threaded fit with the two transition bins 6, the lower end of the operation plate 4 is fixed with two hollow operation boxes 14, the lower ends of the two lead screws 13 are coaxially fixed with first bevel gears 15 arranged inside the operation boxes 14, the first bevel gears 15 are engaged with second bevel gears 16, the second bevel gears 16 are in a rotating fit with the operation boxes 14, and the second bevel gears 16 are coaxially fixed with rotation handles 17 arranged outside the operation boxes 14.

This embodiment is when specifically using, when needs examine and repair or change one of them filter screen 8 that blocks up, only need rotate corresponding turning handle 17, drive second bevel gear 16 and rotate, drive first bevel gear 15 rotation with it meshing then, the lead screw 13 that corresponds rotates, finally realize falling along vertical direction with lead screw 13 screw-thread fit's transition bin 6, examine and repair, the back antiport that finishes can be with transition bin 6 reset position.

In a sixth embodiment, on the basis of the fourth embodiment, in order to more accurately switch the open state and the closed state of the two partition plates 9, referring to fig. 2, the lower ends of the two partition plates 9 are provided with limiting plates 18 fixed on the operation plate 4, so that when the lower end of any one partition plate 9 contacts the limiting plate 18 to open the corresponding outlet channel 5, the other partition plate 9 just moves to close the corresponding outlet channel 5.

Seventh embodiment, on the basis of the sixth embodiment, in order to realize the state switching that the user can operate the two partition boards 9 at the lower end, please refer to fig. 6, 9 and 10, the partition board 9 corresponding to the outlet channel 5 is closed in the initial state, the lower end is fixedly connected with the limiting plate 18 through the spring 19, the lower end of the limiting plate is fixed with the steel wire rope 20 which penetrates through the limiting plate 18 and extends to the lower end of the operating plate 4, the lower end of the steel wire rope 20 penetrates through the operating plate 4 and is fixed with the hanging ring 21, and the lower end of the operating plate 4 is fixed with the two hanging columns 22 along the vertical direction.

When the embodiment is used specifically, when the states of the two partition plates 9 need to be switched, please refer to fig. 8, at this time, the hanging ring 21 is switched from the hanging column 22 at the upper end to the hanging column 22 at the lower end, and then the partition plate 9 in the closed state is driven to move towards the lower end, at this time, the spring 19 is compressed, when the states of the partition plates 9 are switched, the partition plates move in the vertical direction, and then the gear 12 meshed with the rack 11 is driven to rotate, and finally, the effect that the gear 12 drives the other partition plate 9 to move reversely is realized, and then the switching of the open and closed states of the two partition plates 9; when the switching needs to be carried out again, the position of the corresponding hanging post 22 of the hanging ring 21 is only required to be adjusted, and then the device is restored to the original state under the restoring force of the spring 19.

Eighth, on the basis of the first embodiment, in order to enable a user to perform better maintenance, the transition bin 6 and the gas outlet cylinder 7 are movably arranged, and when maintenance is needed, the gas outlet cylinder 7 can be detached and repaired, and bolt connection can be adopted here.

In the ninth embodiment, in addition to the first embodiment, in order to better process the filtered impurities in the transition bin 6, referring to fig. 4, the transition bin 6 is provided with the dust collecting box 23 in a sliding fit manner along the left-right direction, and a worker can open the dust collecting box 23 to process the impurities accumulated in the transition bin.

Claims

1. The pulse dust tail gas treatment device comprises a cyclone separator main body (1), and is characterized in that a feeding port (2) arranged on the left side is formed in the upper end of the cyclone separator main body (1), a dust-containing gas outlet (3) arranged on the right side is formed in the upper end of the cyclone separator main body (1), and an operation plate (4) extending to the lower end of the cyclone separator main body (1) is fixed at the lower end of the dust-containing gas outlet (3);

the front end of the dust-containing gas outlet (3) is provided with two separated outlet channels (5), the front ends of the two outlet channels (5) are respectively provided with a transition bin (6) which penetrates through the front and the back, the front ends of the two transition bins (6) are respectively fixed with a gas outlet cylinder (7), and the front ends of the two gas outlet cylinders (7) are respectively fixed with a filter screen (8);

the two outlet channels (5) are provided with partition plates (9) in a sliding fit manner along the vertical direction, and the two partition plates (9) can respectively seal the corresponding outlet channels (5) when sliding;

the transition bin (6) and the operation plate (4) are arranged in a sliding fit mode along the vertical direction.

2. A pulse dust exhaust gas treatment device according to claim 1, characterized in that the two partition walls (9) initially close the respective outlet channel (5) in the closed position and open the respective outlet channel (5) in the open position.

3. The pulse dust exhaust gas treatment device according to claim 2, wherein a pressure sensor is attached to each of the inner walls of the two outlet cylinders (7), a buzzer (10) is fixed to each of the upper ends of the two transition bins (6), and the pressure sensors are electrically connected to the buzzers (10) so that the buzzers (10) buzze when the pressure of the inner walls of the outlet cylinders (7) increases.

4. The pulse dust exhaust gas treatment device according to claim 3, wherein two racks (11) are fixed at opposite positions of the two partition plates (9) along a vertical direction, a gear (12) engaged with the two racks (11) is arranged between the two racks (11), and the gear (12) is arranged in a rotating fit with the operation plate (4).

5. The pulse dust tail gas treatment device according to claim 4, wherein the operation plate (4) is provided with two lead screws (13) in a rotating fit manner along a vertical direction, the two lead screws (13) are respectively in a threaded fit manner with the two transition bins (6), the lower end of the operation plate (4) is fixed with two hollow operation boxes (14), the lower ends of the two lead screws (13) are coaxially fixed with first bevel gears (15) arranged inside the operation boxes (14), the first bevel gears (15) are engaged with second bevel gears (16), the second bevel gears (16) are in a rotating fit manner with the operation boxes (14), and the second bevel gears (16) are coaxially fixed with rotating handles (17) arranged outside the operation boxes (14).

6. A pulse dust exhaust gas treatment device according to claim 4, wherein the lower ends of the two partition plates (9) are provided with limit plates (18) fixed on the operation plate (4), so that when the lower end of any one partition plate (9) contacts the limit plate (18) to open the corresponding outlet channel (5), the other partition plate (9) just moves to close the corresponding outlet channel (5).

7. The pulse dust exhaust gas treatment device according to claim 6, wherein the partition plate (9) corresponding to the outlet channel (5) is closed in an initial state, the lower end of the partition plate is fixedly connected with the limiting plate (18) through a spring (19), a steel wire rope (20) penetrating through the limiting plate (18) and extending to the lower end of the operation plate (4) is fixed at the lower end of the partition plate, a hanging ring (21) is fixed at the lower end of the steel wire rope (20) penetrating through the operation plate (4), and two hanging columns (22) are fixed at the lower end of the operation plate (4) along a vertical direction.

8. The pulse dust tail gas treatment device according to claim 1, wherein the transition bin (6) and the gas outlet cylinder (7) are movably arranged.

9. The pulse dust exhaust gas treatment device according to claim 1, wherein the transition bin (6) is provided with a dust collection box (23) in a sliding fit manner in the left-right direction.