CN216537620U - Rotary kiln is processing apparatus for tail gas with environmental protection - Google Patents
Rotary kiln is processing apparatus for tail gas with environmental protection Download PDFInfo
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- CN216537620U CN216537620U CN202122613104.8U CN202122613104U CN216537620U CN 216537620 U CN216537620 U CN 216537620U CN 202122613104 U CN202122613104 U CN 202122613104U CN 216537620 U CN216537620 U CN 216537620U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a rotary kiln tail gas treatment device with an environment-friendly function, which comprises a cooling box, a bag-type dust collector, a washing tower and a bottom plate, wherein the cooling box is fixed at one end of the top of the bottom plate, a cooling pipe is arranged in the cooling box, the bag-type dust collector is arranged in the center of the top of the bottom plate through a support, one side of the bag-type dust collector is connected with the cooling pipe through a first air duct, a blowing pipe is arranged at the top end of the interior of the bag-type dust collector, filter bags are uniformly arranged below the blowing pipe, the top ends of the filter bags are communicated with the blowing pipe through connecting pipes, spraying pipes are uniformly arranged in the washing tower, one end of the top of a water collecting box is communicated with the spraying pipes through water guide pipes, and a water pump is arranged on the water guide pipes. According to the utility model, the bag-type dust remover, the pulse valve, the injection pipe, the filter bag, the washing tower, the spray pipe and the spray head are arranged, the dry method and the wet method are carried out simultaneously, the tail gas purification effect is better, and the environment-friendly effect is improved.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment, in particular to a rotary kiln tail gas treatment device with an environment-friendly function.
Background
The rotary kiln belongs to building material equipment, is one of lime kilns, is mainly used for calcining cement clinker, is widely used in metallurgy, chemical industry, building refractory materials, environmental sanitation and other industries, can generate a large amount of tail gas when the rotary kiln works, can cause serious pollution to the environment by direct emission, most of the existing partial tail gas treatment devices have partial defects, and the concrete steps are as follows;
1. the existing partial tail gas treatment device has single treatment mode and poor treatment effect, and is not beneficial to environmental protection;
2. most of flue gas generated by the rotary kiln is high in temperature, and the existing partial tail gas treatment device does not have the function of pre-cooling and is not beneficial to subsequent tail gas treatment;
3. the existing partial tail gas treatment device mostly removes dust through a common spraying mode, and sprayed solution or water is not beneficial to recovery, so that resource waste is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rotary kiln tail gas treatment device with an environment-friendly function, and aims to solve the problems that the prior art is not environment-friendly, does not have a flue gas cooling function and is easy to waste resources.
In order to achieve the purpose, the utility model provides the following technical scheme: a rotary kiln tail gas treatment device with an environment-friendly function comprises a cooling box, a bag-type dust collector, a washing tower and a bottom plate, wherein the cooling box is fixed at one end of the top of the bottom plate, a cooling pipe is arranged in the cooling box, the bag-type dust collector is arranged in the center of the top of the bottom plate through a support, one side of the bag-type dust collector is connected with the cooling pipe through a first gas guide pipe, an injection pipe is arranged at the top end of the inside of the bag-type dust collector, filter bags are uniformly arranged below the injection pipe, the top ends of the filter bags are communicated with the injection pipe through connecting pipes, an ash discharge valve is arranged at the bottom end of the bag-type dust collector, a water collecting tank is fixed at the other end of the top of the bottom plate, the washing tower is arranged at one end of the top of the water collecting tank, the bottom end of one side of the washing tower is connected with the bag-type dust collector through a second gas guide pipe, and air exhaust fans are arranged on the second gas guide pipe and the first gas guide pipe, the inside of washing tower evenly is provided with the spray line, and the one end at water collection tank top is linked together through aqueduct and spray line, be provided with the water pump on the aqueduct.
Preferably, the bottom of cooling box one side is provided with the slow flow passageway, and the inside of slow flow passageway is through the crisscross baffle that is provided with of axis of rotation, the baffle all is connected through buffer spring with the inner wall department of slow flow passageway.
Preferably, the cooling pipe is fixed in the cooling box in a spiral shape, and the inner wall of the cooling pipe is uniformly coated with an enamel coating.
Preferably, the top end of one side of the bag-type dust collector is provided with a pulse valve, and the output end of the pulse valve is connected with the injection pipe.
Preferably, the inside of washing tower evenly is provided with places the board, and places all to be provided with the filler on the board, the top of filler all is provided with the clamp plate.
Preferably, the bottom end of the spray pipe is uniformly distributed with spray heads, and the water outlets of the spray heads are provided with uniformly distributed covers with porous structures.
Preferably, the inside one end of header tank is provided with the filter screen, and the filter screen is the active carbon material.
Preferably, the both sides of filter screen all are provided with the inserted block, the inside both sides of header tank all are provided with inserted block assorted slot.
Compared with the prior art, the utility model has the beneficial effects that:
(1) this rotary kiln is processing apparatus for tail gas with environmental protection is through installing the sack cleaner, the pulse valve, the jetting pipe, the filter bag, the washing tower, spray line and shower nozzle, make dusty tail gas at first get into the sack cleaner, filter great granule through the filter bag, later get into in the washing tower, the shower nozzle blowout contains the solution of adsorbent, the shower nozzle bottom is equipped with the equipartition cover, make solution water smoke more careful even, when dusty flue gas passes through vaporific space, because of the collision between dirt particle and the liquid drop, interception and condensation, the dirt particle descends along with the liquid drop, simultaneously with solution interact, possesses desulfurization effect, dry process and wet process go on simultaneously, tail gas purifying effect is better, improve the environmental protection effect.
(2) This rotary kiln is processing apparatus for tail gas with environmental protection function is through installing the unhurried current passageway, the baffle, buffer spring, the cooling box, and the cooling tube, make the high temperature tail gas that the rotary kiln during operation produced at first enter into the unhurried current passageway, the extrusion baffle, make baffle compression buffer spring, flexible resilience through buffer spring plays buffering absorbing effect, slow down the speed that it got into, later tail gas enters into the cooling box, the cooling box lets in cold water, high temperature tail gas carries out the heat exchange with cold water when the cooling tube, reduce the temperature of tail gas, do benefit to subsequent further purification treatment.
(3) This rotary kiln is processing apparatus for tail gas with environmental protection function is through installing header tank, water pump, aqueduct and filter screen for spray unnecessary solution after the dust fall and fall into the header tank, filter by the filter screen and fall to recycle in the shower by the water pump suction after the impurity, do benefit to resources are saved, the both sides of filter screen all are provided with the inserted block, the inside both sides of header tank all be provided with inserted block assorted slot, do benefit to the slip and dismantle the change filter screen.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of a slow flow channel structure according to the present invention;
FIG. 3 is a schematic side view of the filter screen of the present invention;
FIG. 4 is an enlarged cross-sectional view taken at A in FIG. 1 according to the present invention;
fig. 5 is a schematic bottom view of the showerhead of the present invention.
In the figure: 1. a slow flow channel; 2. a cooling box; 3. a cooling tube; 4. a first air duct; 5. a pulse valve; 6. a bag-type dust collector; 7. a blowing pipe; 8. a filter bag; 9. washing the tower with water; 10. a spray tube; 11. a water conduit; 12. placing the plate; 13. a spray head; 14. a water pump; 15. filtering with a screen; 16. a water collection tank; 17. a second air duct; 18. an air exhaust fan; 19. an ash discharge valve; 20. a base plate; 21. a buffer spring; 22. a baffle plate; 23. inserting a block; 24. a filler; 25. pressing a plate; 26. and (6) uniformly distributing a cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown: a rotary kiln tail gas treatment device with an environment-friendly function comprises a cooling box 2, a bag-type dust collector 6, a washing tower 9 and a bottom plate 20, wherein the cooling box 2 is fixed at one end of the top of the bottom plate 20, a slow flow channel 1 is arranged at the bottom end of one side of the cooling box 2, baffles 22 are arranged inside the slow flow channel 1 in a staggered mode through a rotating shaft, and the baffles 22 are connected with the inner wall of the slow flow channel 1 through buffer springs 21;
high-temperature tail gas generated during the operation of the rotary kiln firstly enters the slow flow channel 1, the baffle 22 is extruded, the baffle 22 is enabled to compress the buffer spring 21, the buffer spring 21 plays a role in buffering and damping through the telescopic rebound of the buffer spring 21, and the entering speed of the buffer spring is slowed down;
a cooling pipe 3 is arranged in the cooling box 2, a bag-type dust collector 6 is arranged at the central position of the top of the bottom plate 20 through a support, one side of the bag-type dust collector 6 is connected with the cooling pipe 3 through a first air duct 4, the cooling pipe 3 is fixed in the cooling box 2 in a spiral shape, and an enamel coating is uniformly coated on the inner wall of the cooling pipe 3, so that the inner wall of the cooling pipe is not easy to scale;
cold water is introduced into the cooling box 2, high-temperature tail gas exchanges heat with the cold water when passing through the cooling pipe 3, the temperature of the tail gas is reduced, subsequent further purification treatment is facilitated, the spiral cooling pipe 3 is beneficial to prolonging the time for the tail gas to pass through, and the cooling effect is better;
an injection pipe 7 is arranged at the top end inside the bag-type dust collector 6, filter bags 8 are uniformly arranged below the injection pipe 7, the top ends of the filter bags 8 are communicated with the injection pipe 7 through connecting pipes, a pulse valve 5 is arranged at the top end of one side of the bag-type dust collector 6, the output end of the pulse valve 5 is connected with the injection pipe 7, and an ash discharge valve 19 is arranged at the bottom end of the bag-type dust collector 6;
after gas is blown in through the pulse valve 5, the filter bag 8 is expanded, so that dust-containing particles fall to the bottom of the bag-type dust remover 6 and can be removed through the dust discharging valve 19;
a water collecting tank 16 is fixed at the other end of the top of the bottom plate 20, a washing tower 9 is arranged at one end of the top of the water collecting tank 16, the bottom end of one side of the washing tower 9 is connected with a bag-type dust collector 6 through a second air duct 17, air exhaust fans 18 are arranged on the second air duct 17 and the first air duct 4, spray pipes 10 are uniformly arranged inside the washing tower 9, spray heads 13 are uniformly distributed at the bottom ends of the spray pipes 10, water outlets of the spray heads 13 are provided with uniformly distributed covers 26 with porous structures, one end of the top of the water collecting tank 16 is communicated with the spray pipes 10 through a water guide pipe 11, and a water pump 14 is arranged on the water guide pipe 11;
tail gas enters the water washing tower 9, the spray head 13 sprays solution containing the adsorbent, the bottom of the spray head 13 is provided with the uniform distribution cover 26, so that the water mist of the solution is more delicate and uniform, when dust-containing flue gas passes through a mist space, dust particles fall down along with liquid drops due to collision, interception and condensation between the dust particles and the liquid drops, and simultaneously interact with the solution, so that the desulfurization effect is achieved, the dry method and the wet method are carried out simultaneously, the tail gas purification effect is better, and the environmental protection effect is improved;
the placing plates 12 are uniformly arranged in the washing tower 9, the fillers 24 are arranged on the placing plates 12, the pressure plates 25 are arranged at the tops of the fillers 24, the fillers 24 increase the area to enable the entering dust-containing tail gas and liquid to be in full contact, too large resistance is avoided, the purification efficiency is improved, and the pressure plates 25 can prevent the fillers 24 from being blown by ascending air flow;
a filter screen 15 is arranged at one end inside the water collecting tank 16, the filter screen 15 is made of active carbon, inserting blocks 23 are arranged on two sides of the filter screen 15, and inserting grooves matched with the inserting blocks 23 are arranged on two sides inside the water collecting tank 16;
the redundant solution after spraying and dust falling falls into the water collecting tank 16, impurities are filtered by the filter screen 15 and then pumped into the spraying pipe 10 by the water pump 14 for recycling, so that resources are saved, and the filter screen 15 can be detached and replaced by sliding the insert block 23 in the slot;
the specific model specifications of the pulse valve 5, the spray head 13, the water pump 14, the air exhaust fan 18 and the ash discharge valve 19 need to be determined by model selection calculation according to specification parameters and the like of the device, and the model selection calculation method is the prior art, so detailed description is omitted.
The working principle is as follows: when the rotary kiln is used, high-temperature tail gas generated during the working of the rotary kiln firstly enters the slow flow channel 1, the baffle 22 is extruded to enable the baffle 22 to compress the buffer spring 21, the buffer spring 21 has the effect of buffering and damping through the telescopic resilience of the buffer spring 21, the entering speed of the buffer spring is slowed down, then the tail gas enters the cooling pipe 3 in the cooling box 2, cold water is introduced into the cooling box 2, the high-temperature tail gas exchanges heat with the cold water when passing through the cooling pipe 3 to reduce the temperature of the tail gas, the subsequent further purification treatment is facilitated, then the dust-containing tail gas enters the bag-type dust collector 6, larger particles are filtered through the filter bag 8 and then enter the water scrubber 9, the spray head 13 sprays solution containing the adsorbent, the bottom of the spray head 13 is provided with the uniform cloth cover 26, so that the water mist of the solution is more uniform, and when the dust-containing flue gas passes through a mist space, the collision, interception and condensation effects between particles and liquid drops are realized, the dust particle falls down along with the liquid drop, simultaneously with solution interact, possesses the desulfurization effect, and the dry process goes on simultaneously with the wet process, and tail gas purification effect is better, improves environmental protection effect, sprays during the unnecessary solution falls into header tank 16 behind the dust fall, filters by filter screen 15 and filters behind the impurity by the pump 14 suction to spray tube 10 well cycle use, does benefit to resources are saved.
Claims (8)
1. The utility model provides a rotary kiln tail gas is with processing apparatus with environmental protection, includes cooling box (2), sack cleaner (6), washing tower (9) and bottom plate (20), its characterized in that: a cooling box (2) is fixed at one end of the top of the bottom plate (20), a cooling pipe (3) is arranged inside the cooling box (2), a bag-type dust collector (6) is arranged at the central position of the top of the bottom plate (20) through a support, one side of the bag-type dust collector (6) is connected with the cooling pipe (3) through a first air duct (4), an injection pipe (7) is arranged at the top end of the interior of the bag-type dust collector (6), filter bags (8) are uniformly arranged below the injection pipe (7), the top ends of the filter bags (8) are communicated with the injection pipe (7) through connecting pipes, an ash discharge valve (19) is arranged at the bottom end of the bag-type dust collector (6), a water collecting tank (16) is fixed at the other end of the top of the bottom plate (20), a water washing tower (9) is arranged at one end of the top of the water collecting tank (16), and the bottom end of one side of the water washing tower (9) is connected with the bag-type dust collector (6) through a second air duct (17), and all be provided with air exhaust fan (18) on second air duct (17) and first air duct (4), the inside of washing tower (9) evenly is provided with spray pipe (10), and the one end at header tank (16) top is linked together through aqueduct (11) and spray pipe (10), be provided with water pump (14) on aqueduct (11).
2. The rotary kiln tail gas treatment device with the environmental protection function as claimed in claim 1, characterized in that: the bottom of cooling box (2) one side is provided with unhurried current passageway (1), and the inside of unhurried current passageway (1) is through crisscross baffle (22) that is provided with of axis of rotation, baffle (22) all are connected through buffer spring (21) with the inner wall department of unhurried current passageway (1).
3. The rotary kiln tail gas treatment device with the environmental protection function as claimed in claim 1, characterized in that: the cooling pipe (3) is fixed in the cooling box (2) in a spiral shape, and the inner wall of the cooling pipe (3) is uniformly coated with an enamel coating.
4. The rotary kiln tail gas treatment device with the environmental protection function as claimed in claim 1, characterized in that: the top end of one side of the bag-type dust collector (6) is provided with a pulse valve (5), and the output end of the pulse valve (5) is connected with a blowing pipe (7).
5. The rotary kiln tail gas treatment device with the environmental protection function as claimed in claim 1, characterized in that: the washing tower is characterized in that placing plates (12) are uniformly arranged in the washing tower (9), fillers (24) are arranged on the placing plates (12), and pressing plates (25) are arranged at the tops of the fillers (24).
6. The rotary kiln tail gas treatment device with the environmental protection function as claimed in claim 1, characterized in that: the bottom end of the spray pipe (10) is uniformly distributed with spray heads (13), and the water outlets of the spray heads (13) are provided with uniform distribution covers (26) with porous structures.
7. The rotary kiln tail gas treatment device with the environmental protection function as claimed in claim 1, characterized in that: one end of the inside of the water collecting tank (16) is provided with a filter screen (15), and the filter screen (15) is made of activated carbon.
8. The rotary kiln tail gas treatment device with the environmental protection function as claimed in claim 7, characterized in that: the both sides of filter screen (15) all are provided with inserted block (23), the inside both sides of header tank (16) all are provided with inserted block (23) assorted slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122613104.8U CN216537620U (en) | 2021-10-29 | 2021-10-29 | Rotary kiln is processing apparatus for tail gas with environmental protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122613104.8U CN216537620U (en) | 2021-10-29 | 2021-10-29 | Rotary kiln is processing apparatus for tail gas with environmental protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216537620U true CN216537620U (en) | 2022-05-17 |
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ID=81567268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122613104.8U Active CN216537620U (en) | 2021-10-29 | 2021-10-29 | Rotary kiln is processing apparatus for tail gas with environmental protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216537620U (en) |
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2021
- 2021-10-29 CN CN202122613104.8U patent/CN216537620U/en active Active
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