CN112691464A - Cement plant kiln tail exhaust treatment system - Google Patents
Cement plant kiln tail exhaust treatment system Download PDFInfo
- Publication number
- CN112691464A CN112691464A CN202011499909.8A CN202011499909A CN112691464A CN 112691464 A CN112691464 A CN 112691464A CN 202011499909 A CN202011499909 A CN 202011499909A CN 112691464 A CN112691464 A CN 112691464A
- Authority
- CN
- China
- Prior art keywords
- pipe
- treatment system
- air supply
- waste gas
- cement plant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1425—Regeneration of liquid absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1431—Pretreatment by other processes
- B01D53/145—Pretreatment by separation of solid or liquid material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
Abstract
The invention provides a cement plant kiln tail waste gas treatment system, and relates to the technical field of waste gas treatment. The cement plant kiln tail waste gas treatment system comprises an air supply device, a purification device, a water supply device and a backflow device, wherein the air supply device comprises a cloth bag dust collector, an air outlet end of the cloth bag dust collector is connected with an air supply pipe, and one end, far away from the cloth bag dust collector, of the air supply pipe extends into the purification device. According to the invention, dust in the waste gas is collected through the bag dust collector, sulfur dioxide in the waste gas is detected through the concentration detector, the waste gas meeting the requirement is directly discharged into the chimney, the waste gas which does not meet the standard can enter the purification tower to be purified, the mixture of intermediate kiln dust and water in the cement clinker sintering process is used as an absorbent to spray the waste gas, the absorption of the sulfur dioxide is realized, the cost can be reduced, the used process water can be sent into the slurry box again for reuse after dehydration and separation, and the utilization of the process water can be saved.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a cement plant kiln tail waste gas treatment system.
Background
Cement: a powdered hydraulic inorganic cementitious material. Water is added and stirred to form slurry which can be hardened in air or water and can firmly bond sand, stone and other materials together. Cement is produced by cement plants, and waste gas can be generated in the production process, so that the waste gas is required to be treated, and the environment is prevented from being damaged.
The method has the advantages that the work of treating the waste gas at the tail of the cement plant kiln is well done, the current energy-saving and environment-friendly idea is met, the enterprise cost can be saved, and the increase of the production benefit is realized. At present, the process equipment for treating the waste gas of cement production enterprises in China mainly comprises a high-temperature fan, a humidifying tower, waste heat utilization equipment, an exhaust fan, a dust collector and the like. In order to better complete the transformation of the kiln tail waste gas treatment system, realize the harmony between human and nature and improve the production benefit of enterprises.
At present, for the treatment of kiln tail waste gas in a cement plant, an adsorbent is required to be added during treatment to absorb sulfur dioxide in the waste gas, so that the treatment cost of the waste gas can be increased, the waste gas is lack of a detection function before treatment, the waste gas is still treated when meeting the emission standard, the cost can be increased, and meanwhile, process water is required to be added, the process water cannot be reused, the amount of the process water is required to be increased, and the requirements of users cannot be met.
Disclosure of Invention
The invention aims to provide a kiln tail waste gas treatment system of a cement plant, which is characterized in that dust in waste gas is collected through a cloth bag dust collector, sulfur dioxide in the waste gas is detected through a concentration detector, the waste gas meeting the requirement is directly discharged into a chimney, substandard waste gas enters a purification tower to be purified, a mixture of intermediate kiln dust and water in the sintering process of cement clinker is used as an absorbent to spray the waste gas, the absorption of the sulfur dioxide is realized, the cost can be reduced, used process water is dehydrated and separated and is sent into a slurry tank again to be reused, and the utilization of the process water can be saved.
In order to achieve the purpose, the invention is realized by the following technical scheme: a cement plant kiln tail waste gas treatment system comprises an air supply device, a purification device, a water supply device and a reflux device;
the air supply device comprises a bag dust collector, an air outlet end of the bag dust collector is connected with an air supply pipe, one end, far away from the bag dust collector, of the air supply pipe extends into the purification device, a concentration detector and an air outlet pipe are communicated with the air supply pipe, a detection head of the concentration detector is positioned in the air supply pipe, the concentration detector is positioned between the bag dust collector and the air outlet pipe, and one end, far away from the air supply pipe, of the air outlet pipe is connected with an air outlet end of the purification device;
the purifying device comprises a purifying tower, a stand column is fixedly arranged at the bottom of the purifying tower, a base is fixedly arranged at the bottom of the stand column, a driving motor is fixedly arranged at the top of the base, a driving shaft is fixedly arranged at the output end of the driving motor, a driving wheel is fixedly arranged on the outer wall of the driving shaft and positioned outside the purifying tower, a driven shaft is rotatably arranged at the bottom of the purifying tower, a driven wheel is fixedly arranged on the outer wall of the driven shaft and positioned outside the purifying tower and connected with the driving wheel through a chain, spiral blades are fixedly arranged on the outer walls of the driving shaft and the driven shaft and positioned in the purifying tower, a pulp feeding pipe is fixedly arranged on one side of the purifying tower close to the bottom, a spray pipe is fixedly arranged above the pulp feeding pipe in the purifying tower, the pulp feeding end of the spray pipe is communicated with the pulp feeding pipe, and a, the top of the purification tower is fixedly provided with an exhaust pipe, and the exhaust pipe is communicated with an air outlet pipe;
the water feeding device comprises a slurry tank and a dust collection zipper machine, a stirrer is fixedly installed at the top of the slurry tank, a feeding port of the slurry tank is positioned below a discharging port of the dust collection zipper machine, a liquid discharging port of the slurry tank is connected with a liquid feeding pipe, one end, far away from the slurry tank, of the liquid feeding pipe is communicated with the purification tower, and a slurry pump is installed on the liquid feeding pipe;
reflux unit includes the belt hydroextractor, the feed end intercommunication of belt hydroextractor is provided with the swirler, the entry intercommunication of swirler is provided with the dehydration pipe, the one end and the purifying tower intercommunication of swirler are kept away from to the dehydration pipe, and install the dehydration pump on the dehydration pipe, and the top intercommunication of swirler is provided with the cyclone tube, and the cyclone tube is kept away from the one end of swirler and is extended to in the purifying tower to the cyclone tube is located the below of shower.
Further, the air supply device further comprises a tail exhaust fan, the tail exhaust fan is installed on the air supply pipe, a first electric control valve is installed on the right side, located on the air supply pipe, of the air outlet pipe, and a second electric control valve is installed on the air outlet pipe.
Further, purifier still includes atomizing pipe and oxidation fan, the one end and the atomizer box of atomizing pipe are connected, the other end of atomizing pipe extends to in the purifying column, the air-out end of oxidation fan is connected with out the tuber pipe, and goes out the tuber pipe and extend to in the purifying column.
Furthermore, the top of the atomization pipe is positioned in the purification tower and is communicated with a plurality of atomization nozzles, and the atomization pipe is positioned above the spray pipe.
Furthermore, a third electric control valve is installed on the exhaust pipe and is located below the air outlet pipe.
Furthermore, a circulating pump is arranged on the slurry feeding pipe.
Furthermore, a process water pipe is embedded in the top of the slurry tank.
Further, reflux unit still includes vapour and liquid separator and filtrate case, vapour and liquid separator's entry and belt hydroextractor's exit linkage, vapour and liquid separator's export and filtrate case's entry intercommunication, one side intercommunication of filtrate case is provided with the filtrate pipe, and the filtrate pipe keeps away from the one end and the thick liquid case intercommunication of filtrate case to install the filtrating water pump on the filtrate pipe.
Further, the spiral directions of the two spiral blades are opposite.
Further, the air outlet end of the air supply pipe is close to the bottom of the inner wall of the purification tower.
The invention provides a kiln tail waste gas treatment system of a cement plant. The method has the following beneficial effects:
(1) this cement plant kiln tail exhaust gas treatment system, waste gas can carry out dust removal treatment through the sack dust collector, and the concentration detector that is in on the blast pipe can carry out concentration detection to waste gas, when concentration accords with the emission requirement, can discharge into the chimney with waste gas through the blast pipe, when concentration accords with the emission requirement, can send waste gas into the purge tower in, carry out purification treatment.
(2) This cement plant kiln tail exhaust gas treatment system, when being in the waste gas of purifying column and handling, send into kiln ash powder and water of thick liquid incasement, under the effect of agitator, mix, then send into in the purifying column, send into in the shower by the circulating pump, spray, make sulfur dioxide in the waste gas be in the liquid in the purifying column, driving motor can drive the driving shaft and rotate, through driving shaft and driven shaft, make two spiral leaves rotate, make sulfur dioxide can be quick by the absorption, owing to adopt the mixture of cement clinker calcination intermediate product kiln ash powder and water in-process as the absorbent, can reduce cost.
(3) This cement plant kiln tail exhaust treatment system, the liquid that is in the purge tower can enter into the belt hydroextractor under the effect of dewatering pump, dewaters, and the thick liquid can reenter the purge tower in, carries out reuse, and the water that breaks away from can send into the thick liquid incasement again under the effect of filtrate water pump, recycles, can save process water.
Drawings
FIG. 1 is a schematic view of a kiln tail waste gas treatment system of a cement plant according to the present invention;
fig. 2 is a schematic view of the bottom of a purification tower of a kiln tail waste gas treatment system of a cement plant.
In the figure: 1. a bag dust collector; 2. a tail exhaust fan; 3. an air supply pipe; 4. a concentration detector; 5. an air outlet pipe; 6. a dust collection zipper machine; 7. a slurry tank; 8. a process water pipe; 9. a liquid delivery pipe; 10. a slurry pump; 11. a slurry feeding pipe; 12. a circulation pump; 13. a dewatering pipe; 14. a dewatering pump; 15. a shower pipe; 16. a purification tower; 17. an atomizing tube; 18. an exhaust pipe; 19. a belt dehydrator; 20. a swirler; 21. a swirl tube; 22. a gas-liquid separator; 23. a filtrate tank; 24. a filtrate water pump; 25. a filtrate pipe; 26. an air outlet pipe; 27. a column; 28. a base; 29. a drive motor; 30. a driven shaft; 31. a driving wheel; 32. a drive shaft; 33. a chain; 34. a driven wheel; 35. an oxidation fan; 36. helical leaves.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention will be further illustrated with reference to the following examples and drawings:
the first embodiment is as follows: referring to fig. 1-2, a cement plant kiln tail waste gas treatment system comprises an air supply device, a purification device, a water supply device and a reflux device, wherein the air supply device comprises a bag dust collector 1, an air outlet end of the bag dust collector 1 is connected with an air supply pipe 3, one end of the air supply pipe 3 far away from the bag dust collector 1 extends into the purification device, the air outlet end of the air supply pipe 3 is close to the bottom of the inner wall of a purification tower 16, a concentration detector 4 and an air outlet pipe 5 are communicated with the air supply pipe 3, a detection head of the concentration detector 4 is positioned in the air supply pipe 3, the concentration detector 4 is positioned between the bag dust collector 1 and the air outlet pipe 5, one end of the air outlet pipe 5 far away from the air supply pipe 3 is connected with an air outlet end of the purification device, the air supply device further comprises a tail exhaust fan 2, the tail exhaust fan 2 is mounted on the air supply pipe 3, a first electric control valve is mounted on the air supply, the second electric control valve is installed on the gas outlet pipe 5, the purifying device comprises a purifying tower 16, an upright column 27 is fixedly installed at the bottom of the purifying tower 16, a base 28 is fixedly installed at the bottom of the upright column 27, a driving motor 29 is fixedly installed at the top of the base 28, a driving shaft 32 is fixedly installed at the output end of the driving motor 29, a driving wheel 31 is fixedly installed on the outer wall of the driving shaft 32 and positioned at the outer side of the purifying tower 16, a driven shaft 30 is rotatably installed at the bottom of the purifying tower 16, a driven wheel 34 is fixedly installed on the outer wall of the driven shaft 30 and positioned at the outer side of the purifying tower 16, the driven wheel 34 is connected with the driving wheel 31 through a chain 33, spiral blades 36 are fixedly installed on the outer walls of the driving shaft 31 and the driven shaft 30 and positioned in the purifying tower 16, the spiral directions of the two spiral blades, the purifying device also comprises an atomizing pipe 17 and an oxidation fan 35, one end of the atomizing pipe 17 is connected with the atomizing box, the other end of the atomizing pipe 17 extends into the purifying tower 16, the air outlet end of the oxidation fan 35 is connected with an air outlet pipe 26, the air outlet pipe 26 extends into the purifying tower 16, the top of the atomizing pipe 17 is positioned in the purifying tower 16 and is communicated with a plurality of atomizing nozzles, the atomizing pipe 17 is positioned above the spraying pipe 15, when the purifying device is used, waste gas enters the cloth bag dust collector 1 and is subjected to dust removal treatment through the cloth bag dust collector 1, the waste gas after handling gets into air feed pipe 3 under the effect of bestriding at tail exhaust fan 2 in, concentration detector 4 that sets up on air feed pipe 3 can detect sulfur dioxide concentration, when concentration satisfies the emission demand, the second automatically controlled valve is opened, and first automatically controlled valve is closed, and waste gas can enter into blast pipe 18 in, the chimney of discharging into again, when the unsatisfied emission demand of concentration, first automatically controlled valve is opened, and the second automatically controlled valve is closed, and waste gas can enter into purifying tower 16 in, carries out purification treatment.
Referring to fig. 1, the water feeding device comprises a slurry tank 7 and a dust collection zipper machine 6, a stirrer is fixedly installed at the top of the slurry tank 7, a process water pipe 8 is embedded at the top of the slurry tank 7, a feeding port of the slurry tank 7 is positioned below a discharging port of the dust collection zipper machine 6, a liquid discharge port of the slurry tank 7 is connected with a liquid feeding pipe 9, one end, far away from the slurry tank 7, of the liquid feeding pipe 9 is communicated with a purification tower 16, a slurry pump 10 is installed on the liquid feeding pipe 9, a mixture of intermediate kiln ash powder and water in a cement clinker sintering process is used as an absorbent, the kiln ash powder and the water are stirred and mixed by the stirrer, the mixture is fed into the purification tower 16 under the action of the slurry pump 10 and is fed into a spray pipe 15 by a circulating pump 12 for spraying, so that sulfur dioxide in waste gas is in liquid in the purification tower 16, a driving motor 29 drives a driving shaft 32 to rotate, because the action wheel 32 is connected with the driven wheel 34 through the chain 33, the driven shaft 30 can be rotated, and then the two spiral blades 36 are rotated, so that the liquid is turned up and down, the oxidation fan 35 sends gas into the liquid, and the sulfur dioxide is rapidly absorbed.
Referring to fig. 1, the backflow device includes a belt dehydrator 19, a cyclone 20 is disposed at a feed end of the belt dehydrator 19, a dewatering pipe 13 is disposed at an inlet of the cyclone 20, one end of the dewatering pipe 13, which is far away from the cyclone 20, is communicated with a purification tower 16, a dewatering pump 14 is mounted on the dewatering pipe 13, a cyclone pipe 21 is disposed at a top of the cyclone 20, one end of the cyclone pipe 21, which is far away from the cyclone 20, extends into the purification tower 16, the cyclone pipe 21 is located below a spray pipe 15, the backflow device further includes a gas-liquid separator 22 and a filtrate tank 23, an inlet of the gas-liquid separator 22 is connected with an outlet of the belt dehydrator 19, an outlet of the gas-liquid separator 22 is communicated with an inlet of the filtrate tank 23, a filtrate pipe 25 is disposed at one side of the filtrate tank 23, one end of the filtrate pipe 25, which is far away from the filtrate tank 23, is communicated with, the liquid in the purifying tower 16 enters the belt dehydrator 19 under the action of the dehydrating pump 14 to be dehydrated, the slurry enters the purifying tower 16 again to be reused, the separated water is sent into the slurry tank 7 again under the action of the filtrate water pump 24 to be reused, the process water can be saved, and the provided cyclone 20 is a widely used device, and the principle is as follows: when the two-phase mixed liquid to be separated enters the cyclone 20 tangentially from the periphery of the cyclone 20 under a certain pressure, strong three-dimensional elliptical strong-rotation shearing turbulent motion is generated. Because the particle size difference exists between the coarse particles and the fine particles, the coarse particles and the fine particles are subjected to different sizes such as centrifugal force, centripetal buoyancy, fluid drag force and the like, under the action of centrifugal sedimentation, most of the coarse particles are discharged through a bottom flow port of the cyclone 20, and most of the fine particles are discharged through an overflow pipe, so that the purpose of separation and classification is achieved, and a user can select a corresponding model according to the requirement when using the cyclone.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept of the present invention, which falls into the protection scope of the present invention.
Claims (10)
1. A cement plant kiln tail waste gas treatment system is characterized by comprising an air supply device, a purification device, a water supply device and a reflux device;
the air supply device comprises a cloth bag dust collector (1), an air outlet end of the cloth bag dust collector (1) is connected with an air supply pipe (3), one end, far away from the cloth bag dust collector (1), of the air supply pipe (3) extends into the purification device, a concentration detector (4) and an air outlet pipe (5) are communicated with the air supply pipe (3), a detection head of the concentration detector (4) is located in the air supply pipe (3), the concentration detector (4) is located between the cloth bag dust collector (1) and the air outlet pipe (5), and one end, far away from the air supply pipe (3), of the air outlet pipe (5) is connected with an air outlet end of the purification device;
the purification device comprises a purification tower (16), a stand column (27) is fixedly mounted at the bottom of the purification tower (16), a base (28) is fixedly mounted at the bottom of the stand column (27), a driving motor (29) is fixedly mounted at the top of the base (28), a driving shaft (32) is fixedly mounted at the output end of the driving motor (29), a driving wheel (31) is fixedly mounted at the outer side of the purification tower (16) on the outer wall of the driving shaft (32), a driven shaft (30) is rotatably arranged at the bottom of the purification tower (16), a driven wheel (34) is fixedly mounted at the outer side of the purification tower (16) on the outer wall of the driven shaft (30), the driven wheel (34) is connected with the driving wheel (31) through a chain (33), spiral blades (36) are fixedly mounted in the purification tower (16) on the outer walls of the driving shaft (32) and the driven shaft, a slurry feeding pipe (11) is fixedly mounted on one side of the purification tower (16) close to the bottom, a spray pipe (15) is fixedly mounted in the purification tower (16) above the slurry feeding pipe (3), the slurry feeding end of the spray pipe (15) is communicated with the slurry feeding pipe (11), a plurality of spray heads are mounted on the spray pipe (15), an exhaust pipe (18) is fixedly mounted at the top of the purification tower (16), and the exhaust pipe (18) is communicated with the exhaust pipe (5);
the water feeding device comprises a slurry box (7) and a dust collection zipper machine (6), a stirrer is fixedly installed at the top of the slurry box (7), a feeding port of the slurry box (7) is positioned below a discharging port of the dust collection zipper machine (6), a liquid discharging port of the slurry box (7) is connected with a liquid feeding pipe (9), one end, far away from the slurry box (7), of the liquid feeding pipe (9) is communicated with a purification tower (16), and a slurry pump (10) is installed on the liquid feeding pipe (9);
reflux unit includes belt dewaterer (19), the feed end intercommunication of belt dewaterer (19) is provided with swirler (20), the entry intercommunication of swirler (20) is provided with dehydration pipe (13), the one end and the purifying column (16) intercommunication of swirler (20) are kept away from in dehydration pipe (13), and install dehydration pump (14) on dehydration pipe (13), and the top intercommunication of swirler (20) is provided with cyclone tube (21), and cyclone tube (21) keep away from the one end of swirler (20) and extend to in purifying column (16) to cyclone tube (21) are located the below of shower (15).
2. The cement plant kiln tail exhaust gas treatment system according to claim 1, characterized in that: air supply installation still includes tail exhaust fan (2), install on air-supply pipe (3) tail exhaust fan (2), the first automatically controlled valve is installed on the right side that lies in outlet duct (5) on air-supply pipe (3), install the second automatically controlled valve on outlet duct (5).
3. The cement plant kiln tail exhaust gas treatment system according to claim 1, characterized in that: purifier still includes atomizing pipe (17) and oxidation fan (35), the one end and the atomizing case of atomizing pipe (17) are connected, the other end of atomizing pipe (17) extends to in the purifying column, the air-out end of oxidation fan (35) is connected with out tuber pipe (26), and goes out tuber pipe (26) and extend to in purifying column (16).
4. The cement plant kiln tail exhaust gas treatment system according to claim 3, characterized in that: the top of the atomization pipe (17) is positioned in the purification tower (16) and is communicated with a plurality of atomization nozzles, and the atomization pipe (17) is positioned above the spray pipe (15).
5. The cement plant kiln tail exhaust gas treatment system according to claim 1, characterized in that: and a third electric control valve is arranged on the exhaust pipe (18), and the third electric control valve is positioned below the exhaust pipe (5).
6. The cement plant kiln tail exhaust gas treatment system according to claim 1, characterized in that: and a circulating pump (12) is arranged on the pulp feeding pipe (11).
7. The cement plant kiln tail exhaust gas treatment system according to claim 1, characterized in that: and a process water pipe (8) is embedded in the top of the slurry tank (7).
8. The cement plant kiln tail exhaust gas treatment system according to claim 1, characterized in that: reflux unit still includes vapour and liquid separator (22) and filtrate case (23), the entry of vapour and liquid separator (22) and the exit linkage of belt hydroextractor (19), the export of vapour and liquid separator (22) and the entry (23) intercommunication of filtrate case, one side intercommunication of filtrate case (23) is provided with filtrate pipe (25), and filtrate pipe (25) keep away from the one end and the thick liquid case (7) intercommunication of filtrate case (23) to install filtrating water pump (24) on filtrate pipe (25).
9. The cement plant kiln tail exhaust gas treatment system according to claim 1, characterized in that: the spiral directions of the two spiral blades (36) are opposite.
10. The cement plant kiln tail exhaust gas treatment system according to claim 1, characterized in that: the air outlet end of the air supply pipe (3) is close to the bottom of the inner wall of the purification tower (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011499909.8A CN112691464A (en) | 2020-12-18 | 2020-12-18 | Cement plant kiln tail exhaust treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011499909.8A CN112691464A (en) | 2020-12-18 | 2020-12-18 | Cement plant kiln tail exhaust treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112691464A true CN112691464A (en) | 2021-04-23 |
Family
ID=75507266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011499909.8A Pending CN112691464A (en) | 2020-12-18 | 2020-12-18 | Cement plant kiln tail exhaust treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112691464A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011233B (en) * | 2021-11-09 | 2024-04-26 | 浙江浙能迈领环境科技有限公司 | Energy-saving washing tower convenient to maintain and waste gas desulfurization treatment method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980030926U (en) * | 1996-11-30 | 1998-08-17 | 유상부 | Wet flue gas desulfurization device |
| CN201115809Y (en) * | 2007-09-28 | 2008-09-17 | 泉州市天龙环境工程有限公司 | Coal-fired boiler flue gas high-efficiency desulfurization dust separation purification device |
| EP3069781A1 (en) * | 2015-03-20 | 2016-09-21 | General Electric Technology GmbH | System for sulphur removal from a flue gas |
| CN107349779A (en) * | 2017-09-12 | 2017-11-17 | 浙江千尧环境工程有限公司 | A kind of absorption tower |
| CN107661691A (en) * | 2017-10-16 | 2018-02-06 | 邱龙海 | A kind of biological treatment organic exhaust gas device |
| CN108568200A (en) * | 2018-07-07 | 2018-09-25 | 山东瑞嘉通风环保科技有限公司 | A kind of centrifugal desulfurizing tower with adjustable high-efficient absorption plant |
| CN209630819U (en) * | 2019-01-21 | 2019-11-15 | 湛江中冠石油化工有限公司 | A kind of high efficiency furnace gas disposal spray column |
| CN110898667A (en) * | 2019-12-16 | 2020-03-24 | 湖北思搏盈环保科技股份有限公司 | Flue gas treatment control method and system based on impregnated SCR denitration catalyst |
| CN110975537A (en) * | 2019-12-27 | 2020-04-10 | 无锡出新环保设备有限公司 | Automatic control system and method for waste gas tower for preventing waste gas from exceeding standard |
| CN210356539U (en) * | 2019-08-05 | 2020-04-21 | 上海睿聚环保科技有限公司 | Reclaimed plastic exhaust-gas treatment equipment |
| CN211936365U (en) * | 2020-03-10 | 2020-11-17 | 湖南正明环保股份有限公司 | System for utilize cement kiln tail to return ash and carry out flue gas desulfurization |
-
2020
- 2020-12-18 CN CN202011499909.8A patent/CN112691464A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980030926U (en) * | 1996-11-30 | 1998-08-17 | 유상부 | Wet flue gas desulfurization device |
| CN201115809Y (en) * | 2007-09-28 | 2008-09-17 | 泉州市天龙环境工程有限公司 | Coal-fired boiler flue gas high-efficiency desulfurization dust separation purification device |
| EP3069781A1 (en) * | 2015-03-20 | 2016-09-21 | General Electric Technology GmbH | System for sulphur removal from a flue gas |
| CN107349779A (en) * | 2017-09-12 | 2017-11-17 | 浙江千尧环境工程有限公司 | A kind of absorption tower |
| CN107661691A (en) * | 2017-10-16 | 2018-02-06 | 邱龙海 | A kind of biological treatment organic exhaust gas device |
| CN108568200A (en) * | 2018-07-07 | 2018-09-25 | 山东瑞嘉通风环保科技有限公司 | A kind of centrifugal desulfurizing tower with adjustable high-efficient absorption plant |
| CN209630819U (en) * | 2019-01-21 | 2019-11-15 | 湛江中冠石油化工有限公司 | A kind of high efficiency furnace gas disposal spray column |
| CN210356539U (en) * | 2019-08-05 | 2020-04-21 | 上海睿聚环保科技有限公司 | Reclaimed plastic exhaust-gas treatment equipment |
| CN110898667A (en) * | 2019-12-16 | 2020-03-24 | 湖北思搏盈环保科技股份有限公司 | Flue gas treatment control method and system based on impregnated SCR denitration catalyst |
| CN110975537A (en) * | 2019-12-27 | 2020-04-10 | 无锡出新环保设备有限公司 | Automatic control system and method for waste gas tower for preventing waste gas from exceeding standard |
| CN211936365U (en) * | 2020-03-10 | 2020-11-17 | 湖南正明环保股份有限公司 | System for utilize cement kiln tail to return ash and carry out flue gas desulfurization |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011233B (en) * | 2021-11-09 | 2024-04-26 | 浙江浙能迈领环境科技有限公司 | Energy-saving washing tower convenient to maintain and waste gas desulfurization treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1785483A (en) | Control method wet method smoke desulfur for elecric power plant | |
| CN204212797U (en) | Efficient wet-type dust removal fan for mine | |
| CN106039997A (en) | Multistage dehydration and separation system | |
| CN102631811B (en) | Device and method for separating and removing impurities of carbide slag desulfurized gypsum slurry | |
| JP2923208B2 (en) | Wet flue gas desulfurization equipment | |
| CN104399363B (en) | Waste recycling and regenerating device used in flue gas purification method | |
| CN112691464A (en) | Cement plant kiln tail exhaust treatment system | |
| CN102500223A (en) | Equipment for performing wet-method flue gas desulfurization and producing gypsum by discarded carbide slag | |
| CN204320061U (en) | A kind of reclaiming device realizing discarded object in flue gas purifying method | |
| CN106007414A (en) | High efficiency quicklime slaking and dedusting system | |
| CN112742185B (en) | Flue gas desulfurization reactor, flue gas treatment system and process method | |
| CN218262342U (en) | Be used for potato powder drying equipment | |
| CN110465176A (en) | Flue-gas dust-removing and desulfurization tower and flue gas desulfurization and wastewater treatment method | |
| CN109603401A (en) | A kind of cleaner high-efficient, clean-up effect is strong | |
| CN211561866U (en) | Novel sewage treatment system | |
| JPH10323533A (en) | Exhaust gas treating device and exhaust gas treating equipment | |
| CN201728145U (en) | Vertical grinder high-fineness dynamic-static combined separator device | |
| CN113181758A (en) | Gypsum wet flue gas desulfurization method and system | |
| CN209020122U (en) | A kind of compacting artificial board dust pelletizing system | |
| CN2736049Y (en) | Smoke gas purifying device | |
| CN114054458A (en) | Iron oxide dust recovery device | |
| CN100363091C (en) | Preparation of integrated desulfurizing agent during the two-stage digestible and separating process and its system thereof | |
| CN210103477U (en) | Modification process system of flue gas desulfurization ash | |
| WO2020108432A1 (en) | Vortex machine | |
| CN216831584U (en) | Dust removal system of concrete mixing plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210423 |
|
| RJ01 | Rejection of invention patent application after publication |