CN216726660U - SCR flue gas denitration equipment for garbage incineration kiln - Google Patents
SCR flue gas denitration equipment for garbage incineration kiln Download PDFInfo
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- CN216726660U CN216726660U CN202122959836.2U CN202122959836U CN216726660U CN 216726660 U CN216726660 U CN 216726660U CN 202122959836 U CN202122959836 U CN 202122959836U CN 216726660 U CN216726660 U CN 216726660U
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- flue gas
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Abstract
The utility model discloses a SCR flue gas denitration device for a refuse incineration kiln, which comprises a base, one side of the top of the base is provided with a dust removal mechanism, the dust removal mechanism comprises a first bracket and a dust removal box, a first bracket is fixedly welded at the top of the base, a dust removal box is arranged at the upper end of the first bracket, the top of the denitration box is provided with a third bracket, the upper end of the third bracket is provided with a reagent box for storing urea aqueous solution, the top of the denitration box is fixedly provided with a water pump, the lower end of the liquid outlet pipe penetrates through the denitration box and is fixedly connected with an atomizing nozzle, the inside of denitration case is provided with the catalysis otter board, can will get into the inside flue gas of dust removal incasement portion and remove dust earlier before the desulfurization operation, avoids dusty flue gas not get into the denitration case through removing dust and leads to its inside emergence to block up, has guaranteed the normal use of device, has avoided loaded down with trivial details maintenance work.
Description
Technical Field
The utility model relates to a flue gas denitration equipment technical field specifically is SCR flue gas denitration equipment for msw incineration kiln.
Background
The waste incineration is suitable for volume reduction treatment of household waste, medical waste, general industrial waste and the like. Compared with landfill and compost, the garbage incineration saves land and does not cause pollution to surface water and underground water. Under the conditions that the urbanization is accelerated and the indexes of construction land are close to the limit, the garbage incineration is gradually a practical choice for large and medium-sized cities with dense population, tense land and a garbage surrounding city in the middle east.
In recent years, with the development of social economy, environmental protection requirements are more and more emphasized, and national legislation is more and more strict, so that the control of nitrogen oxides in the prevention and control of air pollution pollutants becomes a hotspot and a key point of a new round of environmental protection requirements. For the reason that flue gas generated by waste incineration contains a certain amount of harmful substances such as NOx, denitration equipment is designed and installed at the tail of domestic waste incineration plants in China, however, the flue gas is not firstly dedusted when the traditional denitration equipment is used, so that the interior of the equipment is often blocked, frequent maintenance is needed, and the labor capacity of workers is increased, so that SCR flue gas denitration equipment for waste incineration kilns is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem who exists among the prior art, provide SCR flue gas denitration equipment for msw incineration kiln, can will get into the inside flue gas of dust removal incasement portion and remove dust earlier before the desulfurization, avoid dusty flue gas not get into the denitration case through removing dust and lead to its inside jam that takes place, guaranteed the normal use of device, avoided loaded down with trivial details maintenance work to solve the problem that proposes in the above-mentioned background art.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
SCR flue gas denitration equipment for garbage incineration kiln, comprising a base, wherein one side of the top of the base is provided with a dust removal mechanism, the dust removal mechanism comprises a first support and a dust removal box, the top of the base is fixedly welded with the first support, the upper end of the first support is provided with the dust removal box, the outer wall of one side of the lower end of the dust removal box is provided with a flue gas inlet, the base is provided with a second support, the upper end of the second support is provided with a denitration box, the top of the denitration box is provided with a third support, the upper end of the third support is provided with a reagent box for storing urea aqueous solution, the top of the denitration box is fixedly provided with a water pump, the liquid inlet end of the water pump is communicated with the inner bottom of the reagent box through a pipeline, the liquid outlet end of the water pump is fixedly connected with a liquid outlet pipe, the lower end of the liquid outlet pipe penetrates through the denitration box and is fixedly connected with an atomization spray nozzle, the denitration case is characterized in that a catalytic screen plate is arranged inside the denitration case, a flue gas outlet is formed in the outer wall of one side of the lower end of the denitration case, a connecting pipeline is arranged on the outer wall of one side of the upper end of the dedusting case, and the dedusting case is communicated with the denitration case through the connecting pipeline.
Further, the inside upper end of dust removal case is provided with blows the spray tube, the one end that blows the spray tube runs through the dust removal case and extends to its outside, blow the one end fixedly connected with electromagnetic pulse valve that the spray tube is located the dust removal case outside.
Further, the bottom of blowing the spray tube is provided with the mounting bracket, the mounting bracket equidistance array is provided with five groups, install the filter bag on the mounting bracket.
Further, a cleaning opening is formed in the bottom of the dust removal box, and a cleaning door plate is rotatably mounted on one side of the cleaning opening.
Further, the lower extreme of denitration case is provided with the waste liquid and collects the fill, the lower extreme that the waste liquid was collected and is fought is provided with the flowing back valve.
Further, a replacing window is formed in the outer wall of one side of the denitration box, a blocking block is installed in the replacing window, and the blocking block is installed on the outer wall of one side of the denitration box through a fixing screw.
Furthermore, the inner walls of one side of the blocking block, which is positioned inside the denitration box, and one side of the denitration box are provided with clamping seats, and two ends of the catalytic screen plate are respectively clamped inside the two clamping seats.
Furthermore, mounting holes are symmetrically formed in two ends of one side, located outside the denitration box, of the blocking block, screw holes corresponding to the mounting holes are formed in the outer wall of the denitration box, and one end of each fixing screw is mounted inside each screw hole through the corresponding mounting hole and the corresponding screw thread.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
1. the utility model discloses a set up the dust removal mechanism including first support and dust removal case on the base, set up the flue gas entry on the outer wall of dust removal case one side, blow the spray tube bottom and set up the multiunit filter bag, the dust removal case passes through connecting tube and communicates in the denitration case, denitration incasement portion sets up the catalysis otter board, denitration roof portion sets up water pump and reagent box, the drain pipe lower extreme sets up the atomizer, can carry out the dust removal operation earlier with the flue gas that gets into the dust removal incasement portion before the desulfurization, avoid dusty flue gas to get into the denitration case through the dust removal and lead to its inside to take place to block up, the normal use of device has been guaranteed, tedious maintenance work has been avoided;
2. through blowing the spray tube that has the electromagnetic pulse valve in dust removal incasement portion setting, blow the spray tube bottom and set up the multiunit filter bag, dust removal bottom of the case portion sets up the clearance mouth, clearance mouth side-mounting clearance door plant can regularly clear up adnexed dust impurity on the filter bag, the use of the equipment of being convenient for.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the cleaning door panel of the present invention;
fig. 3 is a schematic structural view of the blocking block of the present invention;
fig. 4 is a schematic structural diagram of the catalytic mesh plate of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a base; 2. a dust removal mechanism; 3. a flue gas inlet; 4. a second bracket; 5. a denitration box; 6. a third support; 7. a reagent box; 8. a water pump; 9. a liquid outlet pipe; 10. an atomizing spray head; 11. a catalytic mesh plate; 12. a flue gas outlet; 13. blowing a spray pipe; 14. an electromagnetic pulse valve; 15. a mounting frame; 16. a filter bag; 17. cleaning the opening; 18. cleaning the door plate; 19. a waste liquid collecting hopper; 20. a drain valve; 21. replacing the window; 22. blocking; 23. a card holder; 24. mounting holes; 25. a screw hole; 201. a first bracket; 202. a dust removal box.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Referring to fig. 1-4, the SCR flue gas denitration device for a garbage incinerator of the present invention comprises a base 1, a dust removing mechanism 2 is disposed on one side of the top of the base 1, the dust removing mechanism 2 comprises a first support 201 and a dust removing box 202, the first support 201 is fixedly welded on the top of the base 1, the dust removing box 202 is disposed on the upper end of the first support 201, a flue gas inlet 3 is disposed on the outer wall of one side of the lower end of the dust removing box 202, a second support 4 is disposed on the base 1, a denitration box 5 is disposed on the upper end of the second support 4, a third support 6 is disposed on the top of the denitration box 5, a reagent box 7 for storing urea aqueous solution is disposed on the upper end of the third support 6, a water pump 8 is fixedly mounted on the top of the denitration box 5, the liquid inlet end of the water pump 8 is communicated with the inner bottom of the reagent box 7 through a pipeline, the liquid outlet end of the water pump 8 is fixedly connected with a liquid outlet pipe 9, the lower end of the liquid outlet pipe 9 penetrates through the denitration box 5 and is fixedly connected with an atomization nozzle 10, denitration case 5's inside is provided with catalysis otter board 11, is provided with exhanst gas outlet 12 on the lower extreme one side outer wall of denitration case 5, is provided with the connecting tube on the upper end one side outer wall of dust removal case 202, and dust removal case 202 passes through the connecting tube and communicates in denitration case 5.
Wherein, as shown in fig. 1 and fig. 2, the upper end of the interior of the dust box 202 is provided with a blowing nozzle 13, one end of the blowing nozzle 13 penetrates through the dust box 202 and extends to the exterior thereof, one end of the blowing nozzle 13 located at the exterior of the dust box 202 is fixedly connected with an electromagnetic pulse valve 14, the bottom of the blowing nozzle 13 is provided with a mounting rack 15, five groups of the mounting racks 15 are arranged in an equidistant array, the mounting rack 15 is provided with a filter bag 16, the bottom of the dust box 202 is provided with a cleaning port 17, one side of the cleaning port 17 is rotatably provided with a cleaning door plate 18, the lower end of the denitration box 5 is provided with a waste liquid collecting hopper 19, the lower end of the waste liquid collecting hopper 19 is provided with a drain valve 20, the outer wall at one side of the denitration box 5 is provided with a replacing window 21, a block 22 is installed in the replacing window 21, the block 22 is installed on the outer wall at one side of the denitration box 5 through a fixing screw, one side of the block 22 located in the denitration box 5 and one inner wall of the denitration box 5 are both provided with a clamping seat 23, the both ends of catalysis otter board 11 joint respectively in the inside of two sets of cassettes 23, and the lateral both ends symmetry that sprue 22 is located denitration case 5 outside has mounting hole 24, has seted up the screw 25 corresponding with mounting hole 24 on the outer wall of denitration case 5, and the one end of set screw is passed through mounting hole 24 and screw thread and is installed in the inside of screw 25.
The utility model discloses a set up dust removal mechanism 2 including first support 201 and dust removal case 202 on the base, set up flue gas entry 3 on the outer wall of dust removal case 202 one side, blow 13 bottoms on the spray tube and set up multiunit filter bags 16, dust removal case 202 communicates in denitration case 5 through the connecting tube, denitration case 5 inside sets up catalysis otter board 11, denitration case 5 top sets up water pump 8 and reagent case 7, the 9 lower extremes of drain pipe sets up atomizer 10, can get into the inside flue gas of dust removal case 202 and remove dust earlier the operation, avoid dusty flue gas to get into denitration case 5 through removing dust and lead to its inside to take place to block up, the normal use of device has been guaranteed, the loaded down with trivial details maintenance work has been avoided.
In addition, the blowing and spraying pipe 13 with the electromagnetic pulse valve 14 is arranged in the dust removing box 202, the multiple groups of filter bags 16 are arranged at the bottom of the blowing and spraying pipe 13, the cleaning port 17 is arranged at the bottom of the dust removing box 202, and the cleaning door plate 18 is arranged on one side of the cleaning port 17, so that dust and impurities attached to the filter bags 16 can be cleaned regularly, and the use of equipment is facilitated.
The outer wall of the denitration box 5 is provided with the blocking block 22 through a fixing screw, the blocking block 22 and the inner wall of the denitration box 5 are both provided with the clamping seats 23, two ends of the catalytic screen plate 11 are respectively clamped in the clamping seats 23, and the blocking block 22 is removed, so that workers can conveniently install, use, detach and replace the catalytic screen plate 11, the structure is simple, and the operation is convenient;
through set up waste liquid collection fill 19 at the lower extreme of denitration case 5, the lower extreme that waste liquid collection fought 19 sets up flowing back valve 20, can be convenient for collect and carry out regular processing to the waste liquid that denitration work produced.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. Waste incineration SCR flue gas denitration equipment for kiln, including base (1), its characterized in that: the device is characterized in that a dust removal mechanism (2) is arranged on one side of the top of the base (1), the dust removal mechanism (2) comprises a first support (201) and a dust removal box (202), the first support (201) is fixedly welded on the top of the base (1), the dust removal box (202) is arranged at the upper end of the first support (201), a flue gas inlet (3) is formed in the outer wall of one side of the lower end of the dust removal box (202), a second support (4) is arranged on the base (1), a denitration box (5) is arranged at the upper end of the second support (4), a third support (6) is arranged at the top of the denitration box (5), a reagent box (7) for storing urea aqueous solution is arranged at the upper end of the third support (6), a water pump (8) is fixedly installed at the top of the denitration box (5), and the liquid inlet end of the water pump (8) is communicated with the inner bottom of the reagent box (7) through a pipeline, the liquid outlet end fixedly connected with drain pipe (9) of water pump (8), the lower extreme of drain pipe (9) runs through denitration case (5) and fixedly connected with atomizer (10), the inside of denitration case (5) is provided with catalysis otter board (11), be provided with exhanst gas outlet (12) on the outer wall of lower extreme one side of denitration case (5), be provided with the connecting tube on the outer wall of upper end one side of dust removal case (202), dust removal case (202) communicate in denitration case (5) through the connecting tube.
2. The SCR flue gas denitration device for the garbage incineration kiln according to claim 1, characterized in that: the inside upper end of dust removal case (202) is provided with blows spray tube (13), the one end of blowing spray tube (13) runs through dust removal case (202) and extends to its outside, blow spray tube (13) and be located the outside one end fixedly connected with electromagnetic pulse valve (14) of dust removal case (202).
3. The SCR flue gas denitration device for the garbage incineration kiln according to claim 2, characterized in that: the bottom of blowing pipe (13) is provided with mounting bracket (15), mounting bracket (15) equidistance array is provided with five groups, install filter bag (16) on mounting bracket (15).
4. The SCR flue gas denitration device for the garbage incineration kiln according to claim 1, characterized in that: the bottom of dust removal case (202) has seted up clearance mouth (17), one side of clearance mouth (17) is rotated and is installed clearance door plant (18).
5. The SCR flue gas denitration device for the garbage incineration kiln according to claim 1, characterized in that: the lower extreme of denitration case (5) is provided with waste liquid and collects fill (19), the lower extreme of waste liquid collection fill (19) is provided with flowing back valve (20).
6. The SCR flue gas denitration device for the garbage incineration kiln according to claim 1, characterized in that: a replacing window (21) is formed in the outer wall of one side of the denitration box (5), a blocking block (22) is installed in the replacing window (21), and the blocking block (22) is installed on the outer wall of one side of the denitration box (5) through a fixing screw.
7. The SCR flue gas denitration device for the garbage incineration kiln according to claim 6, characterized in that: the blocking block (22) is located on one side of the inside of the denitration box (5) and the inner wall of one side of the denitration box (5) and is provided with clamping seats (23), and two ends of the catalytic screen (11) are clamped in the two clamping seats (23) respectively.
8. The SCR flue gas denitration device for the garbage incineration kiln according to claim 7, characterized in that: the denitration box is characterized in that mounting holes (24) are symmetrically formed in two ends of one side, located outside the denitration box (5), of the blocking block (22), screw holes (25) corresponding to the mounting holes (24) are formed in the outer wall of the denitration box (5), and one end of each fixing screw is mounted inside each screw hole (25) through the corresponding mounting holes (24) and threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122959836.2U CN216726660U (en) | 2021-11-26 | 2021-11-26 | SCR flue gas denitration equipment for garbage incineration kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122959836.2U CN216726660U (en) | 2021-11-26 | 2021-11-26 | SCR flue gas denitration equipment for garbage incineration kiln |
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| Publication Number | Publication Date |
|---|---|
| CN216726660U true CN216726660U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122959836.2U Active CN216726660U (en) | 2021-11-26 | 2021-11-26 | SCR flue gas denitration equipment for garbage incineration kiln |
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| Country | Link |
|---|---|
| CN (1) | CN216726660U (en) |
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2021
- 2021-11-26 CN CN202122959836.2U patent/CN216726660U/en active Active
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