Cement kiln tail dust removal device

Abstract

The utility model belongs to the technical field of flue gas treatment, and particularly relates to a cement kiln tail dust removal device which comprises a base, a dust removal mechanism is arranged above the base, and a desulfurization purification mechanism is arranged on one side of the dust removal mechanism. The dust removal mechanism is arranged to effectively remove dust from the cement kiln tail, a dust removal scraper, a dust removal grid plate, a dust falling water tank assembly and a first spraying pipe are arranged in the air inlet box body to be matched to clean dust in the air inlet box body, a driving motor installed on a dust removal cylinder is started, a rotating rod is driven to rotate through a speed reducer, and the dust in the air inlet box body is removed. And the connecting table and the circular filtering assembly are driven to rotate slowly, dust in the dust removal barrel is further cleaned secondarily, the circular filtering assembly can be cleaned by starting the lifting hydraulic cylinder and lifting the connecting table, the dust falling and removing effects are guaranteed, the subsequent dust removing efficiency is improved, dust in flue gas is reduced, and the practicability of the dust removal device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of flue gas treatment, and in particular relates to a cement kiln tail dust removal device. Background Art

[0002] Cement is a powdery, hydraulic inorganic gelling material, which becomes a slurry after being stirred with water. It can harden in the air or in water, and can firmly bond sand, stone and other materials together. Cement kilns are required in its production, and a large amount of flue gas will be generated during the production process. In order to remove the nitrate in the flue gas, a denitrification device is generally installed at the tail of the cement kiln.

[0003] The existing related technology, by installing a kiln tail dust collector to treat the tail gas, cannot effectively remove dust from the cement kiln tail, so it is urgent to design a cement kiln tail dust removal device to deal with these problems. Utility Model Content

[0004] Aiming at the deficiencies of the prior art, the utility model discloses a cement kiln tail dust removal device.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] A cement kiln tail dust removal device comprises a base, a dust removal mechanism is arranged above the base, and a desulfurization and purification mechanism is arranged on one side of the dust removal mechanism.

[0007] The dust removal mechanism includes an air intake box arranged on one side above the base, an air intake pipe is installed on one side of the air intake box, a dust removal grate is arranged in the air intake box, a dust removal scraper is installed above the dust removal grate, a dust reduction water tank assembly is installed below the air intake box, a first spray pipe is arranged on the dust reduction water tank assembly, a dust removal cylinder is arranged on one side of the air intake box, a rotating rod is arranged vertically in the dust removal cylinder, a driving motor is installed at one end of the rotating rod, a reducer is installed on the driving motor, a connecting platform is installed on the outer surface of the rotating rod, a circular filter assembly is installed on the connecting platform, a lifting hydraulic cylinder is arranged on the dust removal cylinder, and a first connecting pipe is installed between the air intake box and the dust removal cylinder.

[0008] Preferably, the desulfurization and purification mechanism includes a desulfurization box arranged on one side of the dust removal mechanism, a photolysis component is arranged in the desulfurization box, an ammonia spraying component is arranged on the desulfurization box, a smoke exhaust box is arranged on the other side of the desulfurization box, an activated carbon adsorption plate is movably installed in the smoke exhaust box, an induced draft fan is arranged below the smoke exhaust box, a third connecting pipe is installed at the power end of the induced draft fan, and a gas purifier is installed on the smoke exhaust box.

[0009] Preferably, the dust reduction water tank assembly comprises a water tank arranged below the air inlet box body, a water purifier is arranged at the rear side of the water tank, and a pump body is installed at the rear side of the water purifier.

[0010] Preferably, the circular filter assembly comprises a filter screen cylinder arranged on the connecting platform, the outer surface of the filter screen cylinder is provided with filter mesh holes, and the filter screen cylinder is provided with connecting threads.

[0011] Preferably, the photolysis assembly comprises a photolysis tube disposed in the desulfurization box, and UV photolysis lamp beads are installed in the photolysis tube.

[0012] Preferably, the ammonia water spraying assembly comprises an atomizer arranged on the desulfurization box body, an ammonia water spraying row is installed below the atomizer, and an ammonia water tank is installed on the atomizer.

[0013] The beneficial effect is that the utility model discloses a cement kiln tail dust removal device, which can effectively remove dust from the cement kiln tail through the dust removal mechanism, and can clean the dust in the air intake box by cooperating with the dust reduction water tank assembly and the first spray pipe through the dust removal scraper and dust removal grate arranged in the air intake box, and start the driving motor installed on the dust removal cylinder, and drive the rotating rod to rotate through the reducer, so as to drive the connecting platform and the circular filter assembly to rotate slowly, and further clean the dust in the dust removal cylinder for a second time, and by starting the lifting hydraulic cylinder to lift the connecting platform, the circular filter assembly can be cleaned, thereby ensuring the dust reduction and dust removal effect, improving the subsequent dust removal efficiency, reducing the dust in the flue gas, ensuring the normal progress of the subsequent denitrification, and improving its practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the shaft side structure of the utility model;

[0015] Figure 2 It is a front view structural schematic diagram of the utility model;

[0016] Figure 3 It is a first structural schematic diagram of the utility model;

[0017] Figure 4 It is a second structural schematic diagram of the utility model;

[0018] Figure 5 It is a third structural schematic diagram of the utility model;

[0019] Figure 6 yes Figure 5 The structural diagram at A in the middle;

[0020] Figure 7 It is a schematic diagram of the structure of the filter screen cylinder of the utility model.

[0021] In the figure: 1. base;

[0022] 2. Dust removal mechanism; 201. Air intake box; 202. Air intake pipe; 203. Dust removal scraper; 204. Dust removal grate plate; 205. Water tank; 2051. Water purifier; 2052. Pump body; 206. First spray pipe; 2061. First connecting pipe; 207. Dust removal cylinder; 2071. Rotating rod; 2072. Driving motor; 2073. Speed ​​reducer; 208. Filter cylinder; 2081. Filter mesh; 2082. Connecting thread; 209. Connecting platform; 210. Lifting hydraulic cylinder;

[0023] 3. Desulfurization and purification mechanism; 301. Desulfurization box; 302. Second connecting pipe; 303. Photolysis tube; 3031. UV photolysis lamp beads; 304. Waste liquid tank; 305. Ammonia tank; 3051. Atomizer; 306. Ammonia spray row; 307. Third connecting pipe; 308. induced draft fan; 309. Smoke exhaust box; 310. Activated carbon adsorption plate; 311. Gas purifier. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention; the terms "first", "second" and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Reference Figure 1-7The utility model provides an embodiment: a cement kiln tail dust removal device, comprising a base 1, a dust removal mechanism 2 is arranged above the base 1, and a desulfurization purification mechanism 3 is arranged on one side of the dust removal mechanism 2.

[0028] In this embodiment: the dust removal mechanism 2 includes an air intake box 201 arranged on one side above the base 1, an air intake pipe 202 is installed on one side of the air intake box 201, a dust removal grate 204 is arranged in the air intake box 201, a dust removal scraper 203 is installed above the dust removal grate 204, a dust reduction water tank assembly is installed below the air intake box 201, a first spray pipe 206 is arranged on the dust reduction water tank assembly, a dust removal cylinder 207 is arranged on one side of the air intake box 201, a rotating rod 2071 is arranged vertically in the dust removal cylinder 207, a driving motor 2072 is installed at one end of the rotating rod 2071, a reducer 2073 is installed on the driving motor 2072, a connecting platform 209 is installed on the outer surface of the rotating rod 2071, a circular filter assembly is installed on the connecting platform 209, and a lifting hydraulic cylinder 210 is arranged on the dust removal cylinder 207. The lifting hydraulic cylinder 210 is used to drive the circular filter assembly to lift and lower, which is convenient for installation and disassembly. A first connecting pipe 2061 is installed between the air intake box 201 and the dust removal cylinder 207. An exhaust fan is arranged on the first connecting pipe 2061. The dust reduction water tank assembly includes a water tank 205 arranged below the air intake box 201, a water purifier 2051 is arranged at the rear side of the water tank 205, and a pump body 2052 is arranged at the rear side of the water purifier 2051. The water purifier 2051 is used to purify the return water, which is a prior art. The circular filter assembly includes a filter screen cylinder 208 arranged on a connecting platform 209, a filter mesh hole 2081 is arranged on the outer surface of the filter screen cylinder 208, and a connecting thread 2082 is arranged on the filter screen cylinder 208. A mesh filter is arranged on the outer surface of the filter screen cylinder 208. The connecting platform 209 is connected to the filter screen cylinder 208 by a connecting thread 2082, which is convenient for installation and disassembly.

[0029] In this embodiment: the desulfurization and purification mechanism 3 includes a desulfurization box 301 arranged on one side of the dust removal mechanism 2, a photolysis component is arranged in the desulfurization box 301, an ammonia water spraying component is arranged on the desulfurization box 301, and a smoke exhaust box 309 is arranged on the other side of the desulfurization box 301, and an activated carbon adsorption plate 310 is movably installed in the smoke exhaust box 309, and the activated carbon adsorption plate 310 is used to adsorb the residual dust in the flue gas without clogging. It is a prior art that an induced draft fan 308 is arranged below the smoke exhaust box 309, and a third connecting pipe 307 is installed at the power end of the induced draft fan 308, and a gas purifier 311 is installed on the smoke exhaust box 309. The gas purifier 311 is used to purify the discharged gas, which is a prior art. The photolysis component includes a photolysis tube 303 arranged in the desulfurization box 301, and a UV photolysis lamp bead 3031 is installed in the photolysis tube 303. The photolysis tube 303 cooperates with the UV photolysis lamp bead 3031 to decompose the waste gas molecules through high-energy UV ultraviolet rays, quickly oxidize harmless substances, and the gas is decomposed by the UV photolysis lamp bead 3031. The decomposed gas is transmitted to the smoke exhaust box 309. The UV photolysis lamp bead 3031 is a prior art. The ammonia water spraying assembly includes an atomizer 3051 arranged on the desulfurization box 301, an ammonia water spraying row 306 is installed below the atomizer 3051, and an ammonia water tank 305 is installed on the atomizer 3051. The ammonia spraying assembly is used to spray ammonia on the desulfurization box 301. The ammonia spraying row 306 can spray ammonia in the tail gas, and the sprayed ammonia is in a mist form through the atomizer 3051, which can fully contact with the nitrate-containing components in the tail gas, accelerate the denitration progress, and improve the denitration efficiency. After the denitration treatment, the flue gas enters the activated carbon adsorption plate 310 installed in the smoke exhaust box 309 through the third connecting pipe 307 to adsorb and purify the odor in the flue gas before being discharged. The desulfurization box 301 is installed with a second connecting pipe 302. A waste liquid tank 304 is installed below the desulfurization box 301. The waste liquid tank 304 is used to collect ammonia used in denitration.

[0030] Working principle: When in use, first connect the air inlet pipe 202 on the air inlet box 201 to the cement kiln tail, start the water tank 205, the water purifier 2051, and the pump body 2052, and the dust-reducing water is sprayed onto the dust removal grate plate 204 through the first spraying pipe 206 to remove dust from the tail gas, and the tail gas that has been dusted for the first time is drawn into the dust removal cylinder 207 through the first connecting pipe 2061 and the exhaust fan, and the driving motor 2072 and the reducer 2073 are started to drive the rotating rod 2071, the connecting platform 209 and the circular filter assembly to rotate slowly, and the gas containing dust in the dust removal cylinder 207 is subjected to secondary rotary dust removal through the circular filter assembly. After a certain period of rotary dust removal, the induced draft fan 308 is started, and the tail gas that has been dusted enters the desulfurization box 301, and the photolysis cylinder 303 and UV are turned on. The photolysis lamp beads 3031 are used to reduce dust on the exhaust gas after dust removal. The dust molecules are decomposed by high-energy UV ultraviolet rays, and harmless substances are quickly oxidized. The gas is decomposed by the UV photolysis lamp beads 3031, and the ammonia spray component is started to spray ammonia on the desulfurization box 301. The ammonia in the ammonia tank 305 can be sprayed into the exhaust gas through the ammonia spray row 306, and the sprayed ammonia is presented in a mist form through the atomizer 3051, which can fully contact with the nitrate-containing components in the exhaust gas, accelerate the denitrification progress, and improve the denitrification efficiency. After the denitrification treatment, the flue gas enters the smoke exhaust box 309 through the third connecting pipe 307, and the decomposed gas is transmitted to the smoke exhaust box 309, and after the odor in the flue gas is adsorbed and purified by the installed activated carbon adsorption plate 310, it is discharged again through the gas purifier 311.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cement kiln tail dust removal device, characterized in that: It comprises a base (1), a dust removal mechanism (2) is arranged above the base (1), and a desulfurization and purification mechanism (3) is arranged on one side of the dust removal mechanism (2); The dust removal mechanism (2) comprises an air intake box (201) arranged on one side above the base (1); an air intake pipe (202) is installed on one side of the air intake box (201); a dust removal grate plate (204) is arranged inside the air intake box (201); a dust removal scraper (203) is installed above the dust removal grate plate (204); a dust reduction water tank assembly is installed below the air intake box (201); a first spray pipe (206) is arranged on the dust reduction water tank assembly; a dust removal cylinder (207) is arranged on one side of the air intake box (201); and the dust removal A rotating rod (2071) is arranged in the cylinder (207) for vertical rotation, a driving motor (2072) is installed at one end of the rotating rod (2071), a reducer (2073) is installed on the driving motor (2072), a connecting platform (209) is installed on the outer surface of the rotating rod (2071), a circular filter assembly is installed on the connecting platform (209), a lifting hydraulic cylinder (210) is arranged on the dust removal cylinder (207), and a first connecting pipe (2061) is installed between the air intake box (201) and the dust removal cylinder (207).

2. A cement kiln tail dust removal device according to claim 1, characterized in that: The desulfurization and purification mechanism (3) comprises a desulfurization box (301) arranged on one side of the dust removal mechanism (2), a photolysis component is arranged in the desulfurization box (301), an ammonia water spraying component is arranged on the desulfurization box (301), a smoke exhaust box (309) is arranged on the other side of the desulfurization box (301), an activated carbon adsorption plate (310) is movably installed in the smoke exhaust box (309), an induced draft fan (308) is arranged below the smoke exhaust box (309), a third connecting pipe (307) is installed at the power end of the induced draft fan (308), and a gas purifier (311) is installed on the smoke exhaust box (309).

3. A cement kiln tail dust removal device according to claim 1, characterized in that: The dust suppression water tank assembly comprises a water tank (205) arranged below the air intake box (201), a water purifier (2051) is arranged at the rear side of the water tank (205), and a pump body (2052) is installed at the rear side of the water purifier (2051).

4. A cement kiln tail dust removal device according to claim 1, characterized in that: The circular filter assembly comprises a filter screen cartridge (208) arranged on the connecting platform (209), the outer surface of the filter screen cartridge (208) is provided with filter mesh holes (2081), and the filter screen cartridge (208) is provided with connecting threads (2082).

5. A cement kiln tail dust removal device according to claim 2, characterized in that: The photolysis assembly comprises a photolysis tube (303) arranged in the desulfurization box (301), and a UV photolysis lamp bead (3031) is installed in the photolysis tube (303).

6. A cement kiln tail dust removal device according to claim 2, characterized in that: The ammonia water spraying assembly comprises an atomizer (3051) arranged on the desulfurization box (301), an ammonia water spraying row (306) is installed below the atomizer (3051), and an ammonia water tank (305) is installed on the atomizer (3051).

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