CN214973038U - Cement kiln tail flue gas denitration ultralow discharging equipment - Google Patents
Cement kiln tail flue gas denitration ultralow discharging equipment Download PDFInfo
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- CN214973038U CN214973038U CN202120558545.XU CN202120558545U CN214973038U CN 214973038 U CN214973038 U CN 214973038U CN 202120558545 U CN202120558545 U CN 202120558545U CN 214973038 U CN214973038 U CN 214973038U
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- denitration
- flue gas
- dust removal
- denitration tower
- water supply
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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
Abstract
The utility model belongs to the technical field of cement kiln tail flue gas denitration, and particularly discloses a cement kiln tail flue gas denitration ultralow emission device, which comprises a dust removal box and a denitration tower positioned on one side of the dust removal box; a dust removal net is arranged in the dust removal box, an air inlet is formed in one side of the dust removal box, and the dust removal box is communicated with the denitration tower through an air pipe; the top of the denitration tower is provided with a flue gas discharge pipe, the bottom of the denitration tower is provided with an ammonia water discharge hole, an activated carbon adsorption plate and a plurality of spray assemblies are arranged inside the denitration tower, and the activated carbon adsorption plate is positioned above the spray assemblies; supporting legs are fixedly connected to the two sides of the denitration tower, a bearing plate is fixedly connected between the two supporting legs, and an ammonia water recovery device is arranged at the top of the bearing plate; one side of the denitration tower is provided with a water supply assembly, one end of the water supply assembly is connected with the ammonia water recovery device, and the other end of the water supply assembly is connected with the spraying assembly; the utility model discloses the denitration is effectual, and can retrieve the reuse to the aqueous ammonia, has practiced thrift manufacturing cost.
Description
Technical Field
The utility model relates to a cement kiln tail flue gas denitration technical field specifically is a cement kiln tail flue gas denitration minimum discharging equipment.
Background
With the steady and rapid development of national economy in China, the cement industry is developed unprecedentedly, and the problems of excess capacity, pollutant emission and the like become important concerns of the nation and enterprises.
The existing cement kiln tail flue gas denitration ultra-low discharge device mostly uses SNCR, a large amount of ammonia water needs to be sprayed into a denitration tower in the SNCR technology, and the ammonia water is directly discharged after being used, so that the waste of resources is caused, and the production cost is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ultralow discharging equipment of cement kiln tail flue gas denitration to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a cement kiln tail flue gas denitration ultralow emission device comprises a dust removal box and a denitration tower positioned on one side of the dust removal box; a dust removal net is arranged in the dust removal box, an air inlet is formed in one side of the dust removal box, and the dust removal box is communicated with the denitration tower through an air pipe; the top of the denitration tower is provided with a flue gas discharge pipe, the bottom of the denitration tower is provided with an ammonia water discharge hole, an activated carbon adsorption plate and a plurality of spray assemblies are arranged inside the denitration tower, and the activated carbon adsorption plate is positioned above the spray assemblies; supporting legs are fixedly connected to the two sides of the denitration tower, a bearing plate is fixedly connected between the two supporting legs, and an ammonia water recovery device is arranged at the top of the bearing plate; one side of denitration tower is equipped with water supply assembly, and water supply assembly's one end is connected with aqueous ammonia recovery unit, and the other end is connected with spray assembly.
Preferably, the bottom of the dust removal box is provided with a dust exhaust pipe, and the dust exhaust pipe is provided with a valve.
Preferably, the water supply assembly comprises a water supply pipe, the water supply pipe is vertically arranged, the top end of the water supply pipe is communicated with a connecting pipe, and the connecting pipe is fixedly connected to the outer side wall of the denitration tower through a fixing column; and a water pump is arranged on the water supply pipe.
Preferably, it is a plurality of spray assembly is equidistant from top to bottom sets up, and spray assembly includes the shunt tubes, and the bottom of shunt tubes is equidistant to be equipped with a plurality of nozzles, the one end and the denitration tower inner wall rigid coupling of shunt tubes, and the denitration tower and connecting pipe intercommunication are worn out to the other end.
Preferably, the ammonia water recovery device comprises a water tank, the water tank is movably placed on the bearing plate, a filter screen plate is arranged in the water tank, the bottom of one side of the water tank is communicated with a spiral hose, and one end, away from the water tank, of the spiral hose is communicated with the bottom end of a water supply pipe; the both sides symmetry rigid coupling of water tank has the fixed plate, and the fixed orifices has been seted up at the top of fixed plate.
Preferably, connecting blocks are symmetrically and fixedly connected between the two supporting legs, and U-shaped mounting grooves are formed in the positions, corresponding to the fixing plates, of the connecting blocks; the top of the connecting block is provided with a threaded hole, and a fastening screw rod penetrates through the threaded hole in a spiral mode.
Preferably, the fixing plate is matched with the U-shaped mounting groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an at the dust removal incasement and be equipped with the dust removal net, can separate out most dust in the cement kiln tail flue gas, improve flue gas treatment effect.
2. The utility model discloses an equidistant a plurality of spray assembly that are equipped with about in the denitration tower, nozzle blowout aqueous ammonia among the spray assembly can carry out denitration treatment to cement kiln tail flue gas many times, and the denitration is effectual, has realized the ultralow emission of cement kiln tail flue gas denitration.
3. The utility model discloses a bottom at the denitration tower is equipped with aqueous ammonia recovery unit, can pass through aqueous ammonia discharge hole with the aqueous ammonia in the denitration tower and retrieve to the water tank in, carry out denitration treatment in the reintroduction denitration tower under the effect of water pump, and the reutilization practices thrift manufacturing cost.
4. The utility model discloses the inside of well water tank is equipped with the filter plate, can strain the impurity in the ammonia, and the water tank is fixed on the loading board under the cooperation of fixed plate, U type mounting groove, screw hole, fixed orifices, fastening screw etc. easy dismounting is convenient for clear up filter plate.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
fig. 3 is a schematic structural diagram of the connecting block of the present invention.
In the figure: 1. a dust removal box; 2. a dust removal net; 3. an air inlet; 4. a denitration tower; 5. a dust exhaust pipe; 6. a flue gas discharge pipe; 7. an ammonia water discharge hole; 8. supporting legs; 9. a carrier plate; 10. a water supply pipe; 11. a spiral hose; 12. a connecting pipe; 13. a water pump; 14. a shunt tube; 15. a nozzle; 16. a water tank; 17. a filter screen plate; 18. connecting blocks; 19. a U-shaped mounting groove; 20. a fixing plate; 21. a fixing hole; 22. a threaded hole; 23. fastening a screw rod; 24. an activated carbon adsorption plate; 25. a breather tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution: a cement kiln tail flue gas denitration ultralow emission device comprises a dust removal box 1 and a denitration tower 4 positioned on one side of the dust removal box 1; a dust removal net 2 is arranged in the dust removal box 1, an air inlet 3 is arranged on one side of the dust removal box 1, the air inlet 3 is positioned below the dust removal net 2, the dust removal box 1 is communicated with the denitration tower 4 through an air pipe 25, and the air pipe 25 is positioned above the dust removal net 2; a flue gas discharge pipe 6 is arranged at the top of the denitration tower 4, the flue gas discharge pipe 6 is of an inverted L-shaped structure, rainwater is not easy to enter the denitration tower 4, an ammonia water discharge hole 7 is formed in the bottom of the denitration tower 4, an activated carbon adsorption plate 24 and a plurality of spraying assemblies are arranged inside the denitration tower 4, and the activated carbon adsorption plate 24 is positioned above the spraying assemblies; supporting legs 8 are fixedly connected to two sides of the denitration tower 4, a bearing plate 9 is fixedly connected between the two supporting legs 8, and an ammonia water recovery device is arranged at the top of the bearing plate 9; one side of denitration tower 4 is equipped with water supply assembly, and water supply assembly's one end is connected with aqueous ammonia recovery unit, and the other end is connected with spray assembly.
Furthermore, dust exhaust pipe 5 is arranged at the bottom of dust exhaust box 1, and a valve is mounted on dust exhaust pipe 5, so that dust in dust exhaust box 1 can be cleaned conveniently.
Further, the water supply assembly comprises a water supply pipe 10, the water supply pipe 10 is vertically arranged, the top end of the water supply pipe 10 is communicated with a connecting pipe 12, and the connecting pipe 12 is fixedly connected to the outer side wall of the denitration tower 4 through a fixing column; a water pump 13 is installed on the water supply pipe 10.
Further, it is a plurality of spray assembly is equidistant from top to bottom sets up, and spray assembly includes shunt tubes 14, and shunt tubes 14's bottom is equidistant to be equipped with a plurality of nozzles 15, and the one end and the 4 inner wall rigid couplings of denitration tower of shunt tubes 14, denitration tower 4 and connecting pipe 12 intercommunication are worn out to the other end.
Further, the ammonia water recovery device comprises a water tank 16, the water tank 16 is embedded between the bearing plate 9 and the denitration tower 4, the water tank 16 is movably placed on the bearing plate 9, a filter screen plate 17 is arranged in the water tank 16, the bottom of one side of the water tank 16 is communicated with a spiral hose 11, and one end, far away from the water tank 16, of the spiral hose 11 is communicated with the bottom end of a water supply pipe 10; the two sides of the water tank 16 are symmetrically and fixedly connected with fixing plates 20, and fixing holes 21 are formed in the tops of the fixing plates 20.
Furthermore, connecting blocks 18 are symmetrically and fixedly connected between the two supporting legs 8, and U-shaped mounting grooves 19 are formed in the positions, corresponding to the fixing plates 20, of the connecting blocks 18; a threaded hole 22 is formed in the top of the connecting block 18, and a fastening screw 23 is spirally penetrated in the threaded hole 22; the U-shaped mounting groove 19 is embedded with the fixing plate 20, the threaded hole 22 is corresponding to the fixing hole 21, and the specification is consistent, so that the fixing plate 20 can be fixed conveniently through the fastening screw 23.
Further, the fixing plate 20 is adapted to the U-shaped mounting groove 19.
The working principle is as follows: when the denitration device is used, cement kiln tail flue gas enters the dust removal box 1 through the air inlet 3, most dust in the flue gas is filtered through the dust removal net 2, then the flue gas enters the denitration tower 4 through the vent pipe 25 for denitration treatment, a plurality of spraying assemblies are arranged in the denitration tower 4 at equal intervals from top to bottom, and ammonia water is sprayed out of nozzles 15 in the spraying assemblies, so that the cement kiln tail flue gas can be subjected to denitration treatment for many times, the denitration effect is good, and the denitration ultralow emission of the cement kiln tail flue gas is realized; the denitrated flue gas is purified by an activated carbon adsorption plate 24 and then discharged through a flue gas discharge pipe 6; after ammonia water is denitrated, the ammonia water flows into the water tank 16 through the ammonia water discharge hole 7 under the action of gravity, and is introduced into the denitration tower 4 again for denitration treatment under the action of the water pump 13, so that secondary utilization is realized, and the production cost is saved; the inside of water tank 16 is equipped with filter screen plate 17, can strain the impurity in the ammonia, when clearing up filter screen plate 17, dismantles fastening screw 23, removes the fixed to water tank 16 both sides fixed plate 20, removes the back, outwards pulls water tank 16 and takes off water tank 16 from loading board 9, is convenient for clear up filter screen plate 17.
It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The cement kiln tail flue gas denitration ultralow emission device is characterized by comprising a dust removal box (1) and a denitration tower (4) positioned on one side of the dust removal box (1); a dust removal net (2) is arranged in the dust removal box (1), an air inlet (3) is formed in one side of the dust removal box (1), and the dust removal box (1) is communicated with the denitration tower (4) through an air pipe (25); a flue gas discharge pipe (6) is arranged at the top of the denitration tower (4), an ammonia water discharge hole (7) is formed in the bottom of the denitration tower (4), an activated carbon adsorption plate (24) and a plurality of spraying assemblies are arranged inside the denitration tower (4), and the activated carbon adsorption plate (24) is positioned above the spraying assemblies; supporting legs (8) are fixedly connected to two sides of the denitration tower (4), a bearing plate (9) is fixedly connected between the two supporting legs (8), and an ammonia water recovery device is placed at the top of the bearing plate (9); one side of denitration tower (4) is equipped with water supply assembly, and water supply assembly's one end is connected with aqueous ammonia recovery unit, and the other end is connected with spray assembly.
2. The cement kiln tail flue gas denitration ultralow emission device as set forth in claim 1, characterized in that: the bottom of dust removal case (1) is equipped with dust exhaust pipe (5), installs the valve on dust exhaust pipe (5).
3. The cement kiln tail flue gas denitration ultralow emission device as set forth in claim 1, characterized in that: the water supply assembly comprises a water supply pipe (10), the water supply pipe (10) is vertically arranged, the top end of the water supply pipe (10) is communicated with a connecting pipe (12), and the connecting pipe (12) is fixedly connected to the outer side wall of the denitration tower (4) through a fixing column; and a water pump (13) is arranged on the water supply pipe (10).
4. The cement kiln tail flue gas denitration ultralow emission device as set forth in claim 1, characterized in that: a plurality of spray assembly is equidistant from top to bottom sets up, and spray assembly includes shunt tubes (14), and the bottom of shunt tubes (14) is equidistant to be equipped with a plurality of nozzles (15), and the one end and denitration tower (4) inner wall rigid coupling of shunt tubes (14), denitration tower (4) and connecting pipe (12) intercommunication are worn out to the other end.
5. The cement kiln tail flue gas denitration ultralow emission device as set forth in claim 1, characterized in that: the ammonia water recovery device comprises a water tank (16), wherein the water tank (16) is movably arranged on the bearing plate (9), a filter screen plate (17) is arranged in the water tank (16), the bottom of one side of the water tank (16) is communicated with a spiral hose (11), and one end, far away from the water tank (16), of the spiral hose (11) is communicated with the bottom end of a water supply pipe (10); the two sides of the water tank (16) are symmetrically and fixedly connected with fixing plates (20), and fixing holes (21) are formed in the tops of the fixing plates (20).
6. The cement kiln tail flue gas denitration ultralow emission device as set forth in claim 1, characterized in that: connecting blocks (18) are symmetrically and fixedly connected between the two supporting legs (8), and U-shaped mounting grooves (19) are formed in the positions, corresponding to the fixing plates (20), of the connecting blocks (18); the top of the connecting block (18) is provided with a threaded hole (22), and a fastening screw (23) penetrates through the threaded hole (22) in a spiral manner.
7. The cement kiln tail flue gas denitration ultralow emission device as set forth in claim 5, characterized in that: the fixing plate (20) is matched with the U-shaped mounting groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120558545.XU CN214973038U (en) | 2021-03-18 | 2021-03-18 | Cement kiln tail flue gas denitration ultralow discharging equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120558545.XU CN214973038U (en) | 2021-03-18 | 2021-03-18 | Cement kiln tail flue gas denitration ultralow discharging equipment |
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| CN214973038U true CN214973038U (en) | 2021-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602309A (en) * | 2022-03-18 | 2022-06-10 | 安徽紫朔环境工程技术有限公司 | Novel cement plant denitration dust removal pilot scale device |
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2021
- 2021-03-18 CN CN202120558545.XU patent/CN214973038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602309A (en) * | 2022-03-18 | 2022-06-10 | 安徽紫朔环境工程技术有限公司 | Novel cement plant denitration dust removal pilot scale device |
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