CN211189705U

CN211189705U - Desulfurization and denitrification dust removal device

Info

Publication number: CN211189705U
Application number: CN201921872004.3U
Authority: CN
Inventors: 陈列; 黄嘉莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-02
Filing date: 2019-11-02
Publication date: 2020-08-07
Anticipated expiration: 2029-11-02

Abstract

The utility model discloses a SOx/NOx control dust collector, including admission line, ash collecting box, collection liquid box and SOx/NOx control reaction chamber, its characterized in that, admission line intercommunication ash collecting box, and ash collecting box intercommunication air pipe, inside air pipe runs through into the collection liquid box, and the inside SOx/NOx control medicament that has filled with of collection liquid box, the welding of collection liquid box top has SOx/NOx control reaction chamber, and SOx/NOx control reaction chamber bottom is equipped with the filter screen, the filter screen top is equipped with spray set, and is equipped with gas-liquid separation device above the spray set, and the welding of gas-liquid separation device top has the gas vent. The utility model discloses in, with collection liquid box, SOx/NOx control reaction chamber, gas-liquid separation device with the mode welding that the level advances one by one at same jar internally, through making up multicomponent equipment as an organic whole, reduced the shared ground space of original disconnect-type equipment and the required steel of device and connecting tube's use greatly, practiced thrift manufacturing cost by a wide margin, improved economic benefits.

Description

Desulfurization and denitrification dust removal device

Technical Field

The utility model relates to an industrial dust removal device technical field especially relates to a SOx/NOx control dust collector.

Background

The desulfurization is to remove SO in the flue gas₂(Sulfur dioxide) denitration is mainly to remove NO in flue gas_x(nitric oxide), the two substances enter the atmosphere to form acid rain, and the acid rain has great harm to human beings, so the nation advocates environmental protection all the time, and the smoke taking coal as fuel contains the substances, especially the thermal power plant and the thermal power plant are constructed to desulfurize at the same time.

But the SOx/NOx control dust collector on the market now adopts the multi-tank body, multi-pipe connection mostly, has not only occupied great space, and steel consumes seriously, and equipment investment is big, and the repair area is big, is unfavorable for practicing thrift the cost, and in addition, current SOx/NOx control dust collector still can have SOx/NOx control dust removal speed slow defect, and the processing of giving SOx/NOx control has brought certain influence to the efficiency that SOx/NOx control removed dust has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a desulfurization and denitrification dust removal device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a SOx/NOx control dust collector, includes admission line, collection ash case, collection liquid tank and SOx/NOx control reaction chamber, its characterized in that, admission line intercommunication collection ash case, and collection ash case intercommunication air pipe, inside air pipe runs through the entering collection liquid tank, and the inside SOx/NOx control medicament that has been filled with of collection liquid tank, the welding of collection liquid tank top has SOx/NOx control reaction chamber, and SOx/NOx control reaction chamber bottom is equipped with the filter screen, the filter screen top is equipped with spray set, and is equipped with gas-liquid separation device above the spray set, the welding of gas-liquid separation device top has the gas vent, welding top cover plate on the gas vent, and top cover plate below is equipped with the.

Preferably, the air inlet pipeline is provided with a rotary valve, the ventilation pipeline is provided with an air supercharger, and the air supercharger is provided with a pressure regulating valve.

Preferably, a liquid return pipe is arranged below the gas-liquid separation device, and a flow guide wall is arranged below the liquid return pipe.

Preferably, the ventilation duct is communicated with a plurality of air nozzles, and the air nozzles are immersed in the desulfurization and denitrification agent.

Preferably, the bottom of the liquid collecting tank is communicated with a connecting pipeline, a water pump is arranged on the connecting pipeline, the connecting pipeline is connected with a shunting pipeline, the shunting pipeline is respectively communicated with a coil pipe welded to the inner wall of the desulfurization and denitrification reaction cavity, and a spraying device is welded on the surface of the coil pipe.

Preferably, the exhaust port penetrates through the desulfurization and denitrification reaction cavity and is communicated with the top cover plate, and the discharged flue gas is discharged into the atmosphere through the standard exceeding alarm.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, with collection liquid box, SOx/NOx control reaction chamber, gas-liquid separation device with the mode welding that the level advances one by one at same jar internally, through making up multicomponent equipment as an organic whole, reduced the shared ground space of original disconnect-type equipment and the required steel of device and connecting tube's use greatly, practiced thrift manufacturing cost by a wide margin, improved economic benefits.

2. The utility model discloses in, through addding the flue gas pressure boost of gaseous booster in with air pipe, spout the flue gas into the SOx/NOx control medicament of collecting tank through the jet head again to send partial SOx/NOx control medicament to spray set in through the water pump, spray through the filterable flue gas of filter screen, through the combined action who uses immersion jet head, filter screen and spray set, thereby make the flue gas can with handle the more abundant contact of liquid, consequently more thoroughly to the processing of flue gas.

3. The utility model discloses in, having add the alarm that exceeds standard, behind the gas vent combustion gas height domestic standard, the alarm that exceeds standard can automatic alarm, and the operator recycles rotary valve and air-vent valve control flue gas admission, ensures to discharge again after the waste gas smoke and dust of process accords with national standard completely, has avoided discharging because of the unconsciousness that long-term use dust collector efficiency reduction leads to exceeds standard.

Drawings

FIG. 1 is a schematic structural view of a desulfurization, denitrification and dust removal device provided by the utility model;

FIG. 2 is a schematic structural view of a supercharging device of the desulfurization, denitrification and dust removal device provided by the utility model;

fig. 3 is the utility model provides a SOx/NOx control dust collector spray set schematic diagram.

Illustration of the drawings:

1. an air intake duct; 2. rotating the valve; 3. a dust collection box; 4. a ventilation duct; 5. a pressure regulating valve; 6. a gas booster; 7. a liquid collection tank; 8. a gas showerhead; 9. a desulfurization and denitrification agent; 10. a water pump; 11. connecting a pipeline; 12. filtering with a screen; 13. a diversion pipeline; 14. a coil pipe; 15. a spraying device; 16. a flow guide wall; 17. a gas-liquid separation device; 18. an exhaust port; 19. a top cover plate; 20. an over-standard alarm; 21. a desulfurization and denitrification reaction cavity; 22. and a liquid return pipe.

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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 in specific cases to those skilled in the art.

Referring to fig. 1-3, a desulfurization, denitrification and dust removal device comprises an air inlet pipe 1, an ash collecting box 3, a liquid collecting box 7 and a desulfurization, denitrification and reaction chamber 21, and is characterized in that the air inlet pipe 1 is communicated with the ash collecting box 3 to play a role of collecting large particles of unreacted smoke dust, the ash collecting box 3 is communicated with a ventilating duct 4, the ventilating duct 4 penetrates into the liquid collecting box 7, the inside of the liquid collecting box 7 is filled with desulfurization, denitrification and chemical agents 9, the desulfurization, denitrification and reaction chamber 21 is welded above the liquid collecting box 7, a filter screen 12 is arranged at the bottom of the desulfurization, denitrification and reaction chamber 21, a spray device 15 is arranged above the filter screen 12, a gas-liquid separation device 17 is arranged above the spray device 15, and multi-layer progressive welding is adopted, so that the floor space occupied by original separation type equipment and the use of steel and connecting pipes required by the device are greatly reduced, the production cost is greatly saved, the, a top cover plate 19 is welded on the exhaust port 18, and a standard exceeding alarm 20 is arranged below the top cover plate 19.

In this embodiment, the rotary valve 2 is arranged on the air inlet pipeline 1, the air duct 4 is provided with the air supercharger 6, and the air supercharger 6 is provided with the pressure regulating valve 5, so as to control the smoke inlet amount, and ensure that the treated waste gas and smoke completely meet the national standard and then are discharged.

In this embodiment, a liquid return pipe 22 is disposed below the gas-liquid separation device 17, and a flow guide wall 16 is disposed below the liquid return pipe 22 to return the separated liquid and guide the liquid to the liquid collection tank 7.

In this embodiment, air pipe 4 is last to communicate has a plurality of jet heads 8, and jet head 8 immerses in SOx/NOx control medicament 9, plays the effect that makes flue gas and SOx/NOx control medicament 9 more abundant contact.

In this embodiment, 7 bottom intercommunication connecting tube 11 of header tank, and be equipped with water pump 10 on the connecting tube 11, connecting tube 11 connects reposition of redundant personnel pipeline 13, and reposition of redundant personnel pipeline 13 communicates 21 inner walls welded coil pipe 14 of SOx/NOx control reaction chamber respectively, and 14 skin welds of coil pipe have spray set 15, play the effect of pump sending medicament and reinforcing flue gas and SOx/NOx control medicament 9 area of contact.

In this embodiment, the exhaust port 18 penetrates through the desulfurization and denitrification reaction chamber 21 and is communicated with the top cover plate 19, and the discharged flue gas is discharged into the atmosphere through the standard exceeding alarm 20, so that the functions of detecting whether the discharged gas exceeds the standard and automatically alarming are achieved.

4. The working principle is as follows: the design is through collecting the liquid box 7, SOx/NOx control reaction chamber 21, gas-liquid separation 17 welds in same jar internally with the mode that the hierarchy is advanced, with multicomponent combination equipment as an organic whole, the occupied ground space of original disconnect-type equipment and the use of the required steel of device and pipeline have been reduced greatly, manufacturing cost has been practiced thrift greatly, economic benefits has been improved, through addding gas booster 6 with the flue gas pressure boost in air pipe 4, spout the flue gas into SOx/NOx control medicament 9 in collecting the liquid box 7 through jet 8 again, and send partial SOx/NOx control medicament 9 to spray set 15 through water pump 10, spray the flue gas through filter screen 12 filtration, through using immersion jet 8, filter screen 12 and spray set 15's combined action, thereby make the flue gas can with the more abundant contact of treatment fluid, consequently, the processing to the flue gas is more thorough, meanwhile, the gas exceeding alarm 20 is additionally arranged, when gas discharged from the gas outlet 18 exceeds the national standard, the exceeding alarm 20 can automatically alarm, an operator controls the smoke inlet by using the rotary valve 2 and the pressure regulating valve 5, the treated waste gas and smoke are ensured to be discharged after completely meeting the national standard, and the unconscious exceeding discharge caused by the reduction of the efficiency of the dust removal device due to long-term use is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a SOx/NOx control dust collector, includes admission line (1), collection ash case (3), header tank (7) and SOx/NOx control reaction chamber (21), its characterized in that, admission line (1) intercommunication collection ash case (3), and collection ash case (3) intercommunication air pipe (4), inside air pipe (4) run through entering header tank (7), and header tank (7) inside is full of SOx/NOx control medicament (9), the welding has SOx/NOx control reaction chamber (21) above header tank (7), and SOx/NOx control reaction chamber (21) bottom is equipped with filter screen (12), filter screen (12) top is equipped with spray set (15), and is equipped with gas-liquid separation device (17) above spray set (15), gas vent (18) top welding has gas vent (18), welding top cover plate (19) on gas vent (18), and an overproof alarm (20) is arranged below the top cover plate (19).

2. The desulfurization, denitrification and dust removal device as claimed in claim 1, wherein the air inlet pipeline (1) is provided with a rotary valve (2), the ventilation pipeline (4) is provided with an air supercharger (6), and the air supercharger (6) is provided with a pressure regulating valve (5).

3. The desulfurization, denitrification and dust removal device as claimed in claim 1, wherein a liquid return pipe (22) is arranged below the gas-liquid separation device (17), and a flow guide wall (16) is arranged below the liquid return pipe (22).

4. The desulfurization, denitrification and dust removal device according to claim 1, wherein the ventilation duct (4) is communicated with a plurality of air nozzles (8), and the air nozzles (8) are immersed in the desulfurization and denitrification agent (9).

5. The desulfurization, denitrification and dust removal device according to claim 1, wherein the bottom of the header tank (7) is communicated with a connecting pipeline (11), a water pump (10) is arranged on the connecting pipeline (11), the connecting pipeline (11) is connected with a shunt pipeline (13), the shunt pipeline (13) is respectively communicated with a coil (14) welded to the inner wall of the desulfurization and denitrification reaction chamber (21), and a spraying device (15) is welded to the surface of the coil (14).

6. The desulfurization, denitrification and dust removal device as claimed in claim 1, wherein the exhaust port (18) penetrates through the desulfurization and denitrification reaction chamber (21) and is communicated with the top cover plate (19), and the exhausted flue gas is exhausted into the atmosphere through the standard exceeding alarm (20).