CN213853898U - Ammonia recycle device of flue gas denitration - Google Patents
Ammonia recycle device of flue gas denitration Download PDFInfo
- Publication number
- CN213853898U CN213853898U CN202022856063.0U CN202022856063U CN213853898U CN 213853898 U CN213853898 U CN 213853898U CN 202022856063 U CN202022856063 U CN 202022856063U CN 213853898 U CN213853898 U CN 213853898U
- Authority
- CN
- China
- Prior art keywords
- tank
- water
- ammonia
- absorption
- absorption tank
- 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.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses an ammonia recycling device for flue gas denitration, which comprises an absorption device and an evaporation tank, wherein a filter screen plate is fixed at the inner side of the bottom of the absorption tank, a sponge block is arranged on the filter screen plate, a frame is welded at the top of the absorption tank, a cylinder is fixed on the frame, the extending end of the cylinder extends into the absorption tank, a pressing plate is arranged in the absorption tank, the extending end of the cylinder is fixed on the pressing plate, the evaporation tank is arranged at one side of the absorption tank, a heating cover is sleeved at the outer side of the evaporation tank, a plurality of electric heating pipes are uniformly fixed on the inner wall of the heating cover, a water pump is arranged between the absorption tank and the evaporation tank, the ammonia recycling device for flue gas denitration is beneficial to melting ammonia gas into water in a short time, the absorption efficiency is improved, the effectiveness is realized simultaneously, the function of cyclic treatment is realized, the ammonia water is heated by utilizing the electric heating pipes in the heating cover, and the ammonia water is beneficial to be quickly evaporated, the recovery speed is accelerated.
Description
Technical Field
The utility model relates to a flue gas denitration field specifically is a flue gas denitration's ammonia recycle device.
Background
The selective catalytic reduction SCR denitration method adopts ammonia, CO or hydrocarbon and the like as reducing agents in the presence of a catalyst, reduces NO in flue gas into N2 in the presence of oxygen, and recycles ammonia which cannot be completely reacted when the ammonia is used as the reducing agents, so that the environmental protection and the resource saving are realized.
The ammonia recycle device of flue gas denitration that uses at present, when utilizing water absorption ammonia, be difficult to in the short time let the ammonia melt into aquatic, be difficult to simultaneously effectual other gas outgoing insoluble in water, the ammonia purity that leads to retrieving is low, secondly, does not possess effectual circulation processing function to it is slow to lead to retrieving the speed.
In order to solve the problems, the ammonia recycling device for flue gas denitration is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a flue gas denitration's ammonia recycle device, in order to solve above-mentioned technical problem, the utility model provides a following technical scheme:
the utility model relates to an ammonia recycling device for flue gas denitration, which comprises an absorption device and an evaporation tank, wherein the absorption device comprises an absorption tank with a cylindrical structure, a filter screen plate, a sponge block with a cylindrical structure, a cylinder and a pressing plate, the inner side of the bottom of the absorption tank is fixed with the filter screen plate, the filter screen plate is provided with the sponge block for absorbing water, the top of the absorption tank is welded with a frame, the frame is fixed with the cylinder, the extending end of the cylinder extends into the absorption tank, the inside of the absorption tank is provided with the pressing plate, the extending end of the cylinder is fixed on the pressing plate and is used for extruding water in the sponge block, one side of the absorption tank is provided with the evaporation tank, the outer side of the evaporation tank is sleeved with a heating mantle, the inner wall of the heating mantle is uniformly fixed with a plurality of electric heating pipes for heating, a water pump is arranged between the absorption tank and the evaporation tank, for recycling.
Preferably, the top both sides of absorption tank communicate respectively with intake pipe and water injection pipe, just intake pipe and water injection pipe all are located the top of sponge piece.
Preferably, the air inlet pipe and the water injection pipe are both provided with valves.
Preferably, a water storage bin is formed between the filter screen plate and the bottom of the absorption tank, and the water inlet end and the water outlet end of the water pump are respectively communicated with the water storage bin and the evaporation tank through water conveying pipes.
Preferably, the bottom of the evaporation tank is communicated with a drain pipe.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the absorption tank is internally provided with the sponge block, and the top of the absorption tank is provided with the cylinder and pressure plate combination, so that the sponge block is utilized to absorb water, and ammonia can enter water through gaps in the sponge block when the ammonia is introduced, thereby being beneficial to leading the ammonia to be blended into the water in a short time and improving the absorption efficiency; ammonia water and other impurity gases are fed into the evaporating pot by a water pump, so that water-insoluble gases are discharged in one step, the purity of ammonia gas is improved, and the functions of effective and cyclic treatment are realized; the heating cover is sleeved outside the fermentation tank, the electric heating pipe in the heating cover is used for heating the ammonia water, the quick evaporation of the ammonia gas is facilitated, and the recovery speed is accelerated.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of an ammonia recycling device for flue gas denitration according to the present invention;
fig. 2 is a longitudinal sectional structure diagram of the heating cover of the utility model.
In the figure: 1. an absorption tank; 2. an evaporator tank; 3. a water pump; 4. a filter screen plate; 5. a sponge block; 6. a frame; 7. a cylinder; 8. pressing a plate; 9. a heating mantle; 10. an electric heating tube; 11. an air inlet pipe; 12. a water injection pipe; 13. a water storage bin; 14. a water delivery pipe; 15. and a water discharge pipe.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Examples
As shown in figure 1-2, an ammonia recycling device for flue gas denitration comprises an absorption device and an evaporation tank, wherein the absorption device comprises an absorption tank 1 with a cylindrical structure, a filter screen plate 4, a sponge block 5 with a cylindrical structure, a cylinder 7 and a pressing plate 8, the inner side of the bottom of the absorption tank 1 is fixed with the filter screen plate 4, the filter screen plate 4 is provided with the sponge block 5 for absorbing water, the top of the absorption tank 1 is welded with a frame 6, the frame 6 is fixed with the cylinder 7, the extending end of the cylinder 7 extends into the absorption tank 1, the absorption tank 1 is internally provided with the pressing plate 8, the extending end of the cylinder 7 is fixed on the pressing plate 8 for extruding the sponge block 5, one side of the absorption tank 1 is provided with the evaporation tank 2, the outer side of the evaporation tank 2 is sleeved with a heating cover 9, the inner wall of the heating cover 9 is uniformly fixed with a plurality of electric heating pipes 10 for heating and accelerating evaporation speed, a water pump 3 is arranged between the absorption tank 1 and the evaporation tank 2, the ammonia water is convenient to transfer for heating.
In this embodiment, the top both sides of absorption tank 1 communicate respectively has intake pipe 11 and water injection pipe 12, and intake pipe 11 and water injection pipe 12 all are located the top of sponge piece 5, are convenient for input waste gas and clear water.
In this embodiment, the air inlet pipe 11 and the water injection pipe 12 are both provided with valves, which are convenient to close.
In this embodiment, a water storage bin 13 is formed between the filter screen plate 4 and the bottom of the absorption tank 1, and the water inlet end and the water outlet end of the water pump 3 are respectively communicated with the water storage bin 13 and the evaporation tank 2 through a water delivery pipe 14, so as to facilitate ammonia water delivery.
In this embodiment, the bottom of the evaporation tank 2 is communicated with a drain pipe 15 for discharging clean water.
The utility model discloses a principle and advantage: when retrieving the ammonia, connect exhaust gas delivery pipe on intake pipe 11, then inject right amount clear water into absorption tank 1 through water injection pipe 12, until the clear water submerges sponge piece 5, then close the valve on the water injection pipe 12, open the valve on the intake pipe 11, send into waste gas in to absorption tank 1, because the ammonia is very easily dissolved in water, the reaction of ammonia in aqueous can be expressed as:
produce the aqueous ammonia, the waste gas that is insoluble in water floats in the space between retort 1 and clamp plate 8, treat that the clear water absorbs the saturation back, open cylinder 7 and push down clamp plate 8, utilize clamp plate 8 extrusion sponge piece 5, thereby extrude its inside aqueous ammonia, the aqueous ammonia of extruding is deposited in water storage storehouse 13, open water pump 3 again and send aqueous ammonia and the waste gas that is insoluble in water to evaporating pot 2, waste gas is discharged through the opening at 2 tops of evaporating pot, open electric heating pipe 10, the aqueous ammonia heating in the evaporating pot 2, the reaction of aqueous ammonia heating can be expressed as:
thereby evaporating ammonia from clear water and then collecting the ammoniaCollect, only leave the clear water, can pour into the absorbing tank 1 with the clear water again in, let in waste gas in to absorbing tank 1 once more, realize clear water cyclic utilization, utilize sponge piece 5 to absorb water, when letting in the ammonia, the ammonia can enter into the aquatic through the space in the sponge piece, be favorable to letting ammonia melt into the aquatic in the short time, improve absorption efficiency, utilize water pump 3 to send into in evaporating tank 2 with aqueous ammonia and other gaseous impurity, be convenient for with the gaseous one step earlier discharge of insoluble in water, be favorable to improving the purity of ammonia, it is effective to realize simultaneously, the function of circulation treatment, utilize electric heating pipe 10 in the heating mantle 9 to generate heat and heat the aqueous ammonia, be favorable to coming out with the quick evaporation of ammonia, accelerate the recovery rate.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a flue gas denitration's ammonia recycle device, includes absorbing device and evaporating pot, its characterized in that: the absorption device comprises an absorption tank (1) with a cylindrical structure, a filter screen plate (4), a sponge block (5) with a cylindrical structure, a cylinder (7) and a pressing plate (8), wherein the filter screen plate (4) is fixed on the inner side of the bottom of the absorption tank (1), the sponge block (5) is arranged on the filter screen plate (4), a frame (6) is welded at the top of the absorption tank (1), the cylinder (7) is fixed on the frame (6), the extending end of the cylinder (7) extends into the absorption tank (1), the pressing plate (8) is arranged in the absorption tank (1), the extending end of the cylinder (7) is fixed on the pressing plate (8), an evaporation tank (2) is arranged on one side of the absorption tank (1), a heating cover (9) is sleeved on the outer side of the evaporation tank (2), and a plurality of electric heating pipes (10) are uniformly fixed on the inner wall of the heating cover (9), and a water pump (3) is arranged between the absorption tank (1) and the evaporation tank (2).
2. The ammonia recycling device for flue gas denitration of claim 1, characterized in that: the top both sides of absorption tank (1) communicate respectively has intake pipe (11) and water injection pipe (12), just intake pipe (11) and water injection pipe (12) all are located the top of sponge piece (5).
3. The ammonia recycling device for flue gas denitration of claim 2, characterized in that: the air inlet pipe (11) and the water injection pipe (12) are both provided with valves.
4. The ammonia recycling device for flue gas denitration of claim 1, characterized in that: a water storage bin (13) is formed between the filter screen plate (4) and the bottom of the absorption tank (1), and the water inlet end and the water outlet end of the water pump (3) are respectively communicated with the water storage bin (13) and the evaporation tank (2) through water conveying pipes (14).
5. The ammonia recycling device for flue gas denitration of claim 1, characterized in that: the bottom of the evaporation tank (2) is communicated with a drain pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022856063.0U CN213853898U (en) | 2020-12-02 | 2020-12-02 | Ammonia recycle device of flue gas denitration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022856063.0U CN213853898U (en) | 2020-12-02 | 2020-12-02 | Ammonia recycle device of flue gas denitration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213853898U true CN213853898U (en) | 2021-08-03 |
Family
ID=77040917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022856063.0U Active CN213853898U (en) | 2020-12-02 | 2020-12-02 | Ammonia recycle device of flue gas denitration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213853898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116808793A (en) * | 2023-07-13 | 2023-09-29 | 安徽益沣石化有限公司 | Drying and absorbing unit for production process of pyrolysis waste sulfuric acid |
| CN116808793B (en) * | 2023-07-13 | 2024-05-14 | 安徽益沣石化有限公司 | Drying and absorbing unit for production process of pyrolysis waste sulfuric acid |
-
2020
- 2020-12-02 CN CN202022856063.0U patent/CN213853898U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116808793A (en) * | 2023-07-13 | 2023-09-29 | 安徽益沣石化有限公司 | Drying and absorbing unit for production process of pyrolysis waste sulfuric acid |
| CN116808793B (en) * | 2023-07-13 | 2024-05-14 | 安徽益沣石化有限公司 | Drying and absorbing unit for production process of pyrolysis waste sulfuric acid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213853898U (en) | Ammonia recycle device of flue gas denitration | |
| CN210303112U (en) | High-efficient denitrification facility of flue gas | |
| CN201431881Y (en) | Tail gas recovering device for spray polymerization vacuum system | |
| CN209181541U (en) | A kind of kiln gas heat exchanger | |
| CN213995448U (en) | Low-nitrogen denitration device based on SCR method | |
| CN212451227U (en) | Waste treatment device | |
| CN212789798U (en) | Vacuum concentration device is used in fertilizer production | |
| CN212663138U (en) | Spraying waste gas purification spray tower capable of recycling water resources | |
| CN209828630U (en) | Dewatering device for benzoic acid waste gas | |
| CN220780366U (en) | Organic solvent recoverer in active carbon | |
| CN213090498U (en) | Heat recovery device of calcium oxide reaction cellar | |
| CN217868496U (en) | High-efficient waste water evaporimeter with atomizing function | |
| CN212293285U (en) | Sludge reduction treatment system | |
| CN214094532U (en) | Catalytic combustion device with a plurality of combustion chambers | |
| CN109372620A (en) | A kind of environment protection vehicular exhaust gas processing device | |
| CN220003524U (en) | Hydrochloric acid tail gas absorption treatment device | |
| CN215712453U (en) | Intelligent integrated landfill leachate treatment device | |
| CN218596158U (en) | Heavy metal wastewater treatment machine | |
| CN211651344U (en) | Cement manufacture waste gas waste heat recovery formula filter equipment | |
| CN216878800U (en) | Medicament mixing arrangement that landfill leachate handled | |
| CN109850965A (en) | A kind of evaporator system | |
| CN217163798U (en) | Energy-saving desulphurization unit with carry out heat exchange function to waste gas | |
| CN217887510U (en) | High-efficient desulfurization cooling reactor of double-fluid | |
| CN211753368U (en) | Cement manufacture line waste gas collection recycle equipment | |
| CN211462615U (en) | Methanol tail gas absorption treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |