CN210584353U - Nitrogen oxide exhaust treatment device - Google Patents
Nitrogen oxide exhaust treatment device Download PDFInfo
- Publication number
- CN210584353U CN210584353U CN201921286456.3U CN201921286456U CN210584353U CN 210584353 U CN210584353 U CN 210584353U CN 201921286456 U CN201921286456 U CN 201921286456U CN 210584353 U CN210584353 U CN 210584353U
- Authority
- CN
- China
- Prior art keywords
- treatment device
- nitrogen oxide
- spray
- pipe
- gas treatment
- 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)
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to a nitrogen oxide exhaust treatment device, the spray tower is equipped with intake pipe and outlet duct, the inlet end and the outlet duct of fan are connected, circulation tank is connected with the play liquid end of spray tower, cooling coil establishes in circulation tank, from the top down has the defogging layer in the spray tower, first shower, first whirl board, the packing layer, second shower and second whirl board, the inlet and the circulation tank of circulating pump are connected, the liquid outlet of circulating pump passes through the connecting pipe and is connected with first shower and second shower respectively, the defogging layer includes first ripple mesh board, clean shot body layer and second ripple mesh board, the direction of rotation of the blade of first whirl board is opposite with the direction of rotation of the blade of second whirl board, and the equal top-down slope of blade sets up. The utility model has the advantages of the effectual and effectual defogging of waste gas of tail gas treatment is effectual.
Description
Technical Field
The utility model relates to a waste gas treatment device technical field, more specifically say, relate to a nitrogen oxide exhaust treatment device.
Background
Generally contain nitrogen oxide's tail gas, can release heat at the liquid absorption NOx in-process that sprays, if not cool down to spraying liquid, thereby the temperature that sprays liquid constantly risees and leads to its high temperature, and the liquid that sprays of high temperature is unfavorable for NOx's absorption, the tail gas of emission leads to reaching emission standard easily like this, at present, current spray column sprays the purification that sprays liquid and carry out NOx tail gas, the high temperature that the absorption process produced adopts outside heat transfer system to cool down, this will lead to high power consumption, and the tail gas flow velocity leads to the treatment effect not good too fast, and exhaust tail gas water content is on the high side.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a nitrogen oxide exhaust treatment device is provided, its tail gas treatment effect is good and the defogging of waste gas is effectual.
The utility model provides a nitrogen oxide waste gas treatment device, which comprises a spray tower, a circulating water tank, a cooling coil, a circulating pump and a fan, wherein the bottom of the spray tower is connected with an air inlet pipe, the top of the spray tower is connected with an air outlet pipe, the air inlet end of the fan is connected with the air outlet pipe, the air outlet end of the fan is communicated with the atmosphere, the circulating water tank is connected with the liquid outlet end of the spray tower, the cooling coil is arranged in the circulating water tank, a defogging layer, a first spray pipe, a first rotational flow plate, a packing layer, a second spray pipe and a second rotational flow plate are arranged in the spray tower from top to bottom, the liquid inlet of the circulating pump is connected with the circulating water tank, the liquid outlet of the circulating pump is respectively connected with the first spray pipe and the second spray pipe through a connecting pipe, the defogging layer comprises a first corrugated mesh plate, a hollow sphere layer and a second corrugated mesh plate which are, the rotation direction of the blades of the first spiral-flow plate is opposite to that of the blades of the second spiral-flow plate, the first spiral-flow plate and the second spiral-flow plate respectively comprise an outer frame, the blades and an inner frame, the blades are connected between the inner wall of the outer frame and the outer wall of the inner frame, the outer frame is located above the inner frame, and the blades are obliquely arranged from top to bottom.
As the utility model discloses a preferred scheme, the spray column includes first tower body and second tower body, the defogging layer sets up in the first tower body, first shower, first whirl board, packing layer, second shower and second whirl board from the top down set up in the second tower body, the internal diameter of first tower body is greater than the internal diameter of second tower body.
As the preferred scheme of the utility model, defogging layer is including the first ripple mesh plate, the clean shot body layer and the second ripple mesh plate that set gradually.
As the utility model discloses a preferred scheme, first shower is equipped with a plurality of first nozzles that set up down, the second shower is equipped with a plurality of second nozzles that set up and the third nozzle that sets up down.
As a preferred aspect of the present invention, the first nozzle, the second nozzle, and the third nozzle are all spiral nozzles.
As an optimized scheme of the utility model, the inside casing is equipped with the inner panel.
As the preferred scheme of the utility model, the circulating water tank with be equipped with the sandstone filtration ware between the inlet of circulating pump.
As the preferred scheme of the utility model, the outer wall of spray column is equipped with a plurality of transparent observation windows.
As the utility model discloses a preferred scheme, the observation window is equipped with two and just right respectively first shower and second shower.
As the preferred scheme of the utility model, the outer wall of spray tower is equipped with the access door.
Implement the utility model discloses a nitrogen oxide exhaust treatment device compares with prior art, has following beneficial effect:
in the utility model, the first and second cyclone plates can guide the flowing air flow into spiral air flow, the rotation direction of the blade of the first cyclone plate is opposite to that of the blade of the second cyclone plate, the flowing speed of the waste gas can be reduced, the contact area between the waste gas and the spray liquid is increased, the waste gas treatment effect is enhanced, the blades are obliquely arranged from top to bottom, the water attached to the blades can flow downwards under the action of gravity, and the phenomenon that the flowing of the waste gas is influenced by excessive liquid drops attached to the blades is avoided; in addition, the waste gas with steam is firstly primarily condensed by the second corrugated mesh plate, then is condensed again by the hollow sphere layer to remove water vapor, and finally is demisted by the first corrugated mesh plate, so that the demisting effect of the waste gas is further improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of a nitrogen oxide waste gas treatment device provided by the present invention;
wherein, 1 is a spray tower; 2 is a circulating water tank; 3 is a cooling coil; 4 is a circulating pump; 5 is a fan; 6 is a sand filter; 7 is an observation window; 11 is an air inlet pipe; 12 is an air outlet pipe; 13 is a defogging layer; 14 is a first spray pipe; 15 is a first swirl plate; 16 is a filler layer; 17 is a second spray pipe; 18 is a second swirl plate; 19 is a first tower body; and 10 is a second tower body.
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 efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the preferred embodiment of the present invention includes a spray tower 1, a circulating water tank 2, a cooling coil 3, a circulating pump 4 and a fan 5, wherein the bottom of the spray tower 1 is connected with an air inlet pipe 11, the top of the spray tower 1 is connected with an air outlet pipe 12, the air inlet end of the fan 5 is connected with the air outlet pipe 12, the air outlet end of the fan 5 is communicated with the atmosphere, the circulating water tank 2 is connected with the liquid outlet end of the spray tower 1, the cooling coil 3 is arranged in the circulating water tank 2, a defogging layer 13, a first spray pipe 14, a first rotational flow plate 15, a packing layer 16, a second spray pipe 17 and a second rotational flow plate 18 are arranged from top to bottom in the spray tower 1, a liquid inlet of the circulating pump 4 is connected with the circulating water tank 2, a liquid outlet of the circulating pump 4 is respectively connected with the first spray pipe 14 and the second spray pipe 17 through connecting pipes, the demisting layer 13 comprises a first corrugated mesh plate, a hollow sphere layer and a second corrugated mesh plate which are sequentially arranged, the rotating direction of blades of the first rotational flow plate 15 is opposite to that of blades of the second rotational flow plate 18, the first rotational flow plate 15 and the second rotational flow plate 18 both comprise an outer frame, blades and an inner frame, the blades are connected between the inner wall of the outer frame and the outer wall of the inner frame, the outer frame is positioned above the inner frame, and the blades are obliquely arranged from top to bottom; and the liquid inlet and the liquid outlet of the heat exchange coil are respectively connected with the cooling tower.
In the utility model, the first spiral-flow plate 15 and the second spiral-flow plate 18 can guide the flowing air flow into spiral air flow, the rotating direction of the blade of the first spiral-flow plate 15 is opposite to that of the blade of the second spiral-flow plate 18, the flowing speed of the waste gas can be reduced, the contact area between the waste gas and the spray liquid is increased, the waste gas treatment effect is enhanced, the blades are obliquely arranged from top to bottom, the water attached to the blades can flow downwards under the action of gravity, and the phenomenon that the flowing of the waste gas is influenced due to too much liquid drops attached to the blades is avoided; in addition, the waste gas with steam is firstly primarily condensed by the second corrugated mesh plate, then is condensed again by the hollow sphere layer to remove water vapor, and finally is demisted by the first corrugated mesh plate, so that the demisting effect of the waste gas is further improved.
Exemplarily, spray column 1 includes first tower body 19 and second tower body 10, defogging layer 13 sets up in the first tower body 19, first shower 14, first whirl board 15, packing layer 16, second shower 17 and second whirl board 18 from the top down set up in the second tower body 10, because the internal diameter of first tower body 19 is greater than the internal diameter of second tower body 10, when making the tail gas in the second tower body 10 get into first tower body 19, the velocity of flow reduces, and the corresponding area increase in defogging layer 13 can improve the defogging effect of tail gas moreover.
Illustratively, the cooling coil 3 is wound around the outer circumference of the connection pipe, so that the cooling coil 3 can better cool the connection pipe.
Exemplarily, first shower 14 is equipped with a plurality of first nozzles that set up down, second shower 17 is equipped with a plurality of second nozzles that set up and the third nozzle that sets up down, can guarantee the contact volume of tail gas and spray liquid, improves tail gas treatment effect.
Illustratively, the first nozzle, the second nozzle and the third nozzle are all spiral nozzles, which can reduce the spray liquid blocking nozzles to the maximum extent, and enable the spray liquid to reach the maximum flow rate on a pipeline with a given size.
In order to avoid that the tail gas directly passes through the inner frame, the inner frame is provided with an inner plate.
Exemplarily, a sand filter 6 is arranged between the circulating water tank 2 and a liquid inlet of the circulating pump 4, so that the circulating spraying liquid is prevented from blocking all parts, and the service life of the equipment is ensured.
Illustratively, the outer wall of spray tower 1 is equipped with a plurality of transparent observation windows 7, observation window 7 is equipped with two and just to respectively first shower 14 and second shower 17, can observe the inside condition of spray tower 1 at any time through observation window 7.
Exemplarily, the outer wall of spray tower 1 is equipped with the access door, and when spray tower 1 overhauld, directly open the access door and can overhaul, make things convenient for the maintenance personal to operate.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (10)
1. A nitrogen oxide waste gas treatment device is characterized by comprising a spray tower, a circulating water tank, a cooling coil, a circulating pump and a fan, wherein the bottom of the spray tower is connected with an air inlet pipe, the top of the spray tower is connected with an air outlet pipe, the air inlet end of the fan is connected with the air outlet pipe, the air outlet end of the fan is communicated with the atmosphere, the circulating water tank is connected with the liquid outlet end of the spray tower, the cooling coil is arranged in the circulating water tank, a defogging layer, a first spray pipe, a first rotational flow plate, a packing layer, a second spray pipe and a second rotational flow plate are arranged in the spray tower from top to bottom, a liquid inlet of the circulating pump is connected with the circulating water tank, a liquid outlet of the circulating pump is respectively connected with the first spray pipe and the second spray pipe through connecting pipes, the defogging layer comprises a first corrugated mesh plate, a hollow sphere layer and a second corrugated mesh plate which are sequentially arranged, the rotation direction of the blades of the first spiral-flow plate is opposite to that of the blades of the second spiral-flow plate, the first spiral-flow plate and the second spiral-flow plate respectively comprise an outer frame, the blades and an inner frame, the blades are connected between the inner wall of the outer frame and the outer wall of the inner frame, the outer frame is located above the inner frame, and the blades are obliquely arranged from top to bottom.
2. The nitrogen oxide exhaust gas treatment device according to claim 1, wherein the spray tower includes a first tower body and a second tower body, the demister is disposed in the first tower body, the first spray pipe, the first cyclone plate, the filler layer, the second spray pipe, and the second cyclone plate are disposed in the second tower body from top to bottom, and an inner diameter of the first tower body is larger than an inner diameter of the second tower body.
3. The nitrogen oxide exhaust gas treatment device according to claim 1, wherein the cooling coil is wound around an outer periphery of the connection pipe.
4. The nitrogen oxide exhaust gas treatment device according to claim 1, wherein the first shower pipe is provided with a plurality of first nozzles disposed downward, and the second shower pipe is provided with a plurality of second nozzles disposed upward and third nozzles disposed downward.
5. The nitrogen oxide exhaust gas treatment device according to claim 4, wherein the first nozzle, the second nozzle, and the third nozzle are all spiral nozzles.
6. The nitrogen oxide exhaust gas treatment device according to claim 1, wherein the inner frame is provided with an inner plate.
7. The nitrogen oxide exhaust gas treatment device according to claim 1, wherein a sand filter is provided between the circulation tank and the inlet of the circulation pump.
8. The nitrogen oxide exhaust gas treatment device according to claim 1, wherein the outer wall of the spray tower is provided with a plurality of transparent observation windows.
9. The nitrogen oxide exhaust gas treatment device according to claim 8, wherein the observation window is provided with two and respectively opposed to the first shower pipe and the second shower pipe.
10. The nitrogen oxide exhaust gas treatment device according to claim 1, wherein an access door is provided on an outer wall of the spray tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286456.3U CN210584353U (en) | 2019-08-08 | 2019-08-08 | Nitrogen oxide exhaust treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286456.3U CN210584353U (en) | 2019-08-08 | 2019-08-08 | Nitrogen oxide exhaust treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210584353U true CN210584353U (en) | 2020-05-22 |
Family
ID=70685747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921286456.3U Active CN210584353U (en) | 2019-08-08 | 2019-08-08 | Nitrogen oxide exhaust treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210584353U (en) |
-
2019
- 2019-08-08 CN CN201921286456.3U patent/CN210584353U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102095476A (en) | Liquid level sensor of urea tank | |
| CN208943751U (en) | A kind of spray column for exhaust-gas treatment | |
| CN210613203U (en) | Spraying device | |
| CN207025775U (en) | A kind of new automobile combined padding and drying system | |
| CN105617847A (en) | Novel rotational flow coupling deep desulfurization intensifying module | |
| CN205627448U (en) | Reverse -flow washing dust collecting equipment | |
| CN208287726U (en) | A kind of flow type exhaust treatment system | |
| CN210584353U (en) | Nitrogen oxide exhaust treatment device | |
| CN202675933U (en) | Efficient cooling tower | |
| CN110075648B (en) | Dust remover for atmospheric haze treatment | |
| CN107631386A (en) | Semi-conductor condensation type air purification humidifier | |
| CN210584355U (en) | Nitrogen oxide tail gas treatment facility | |
| CN217613822U (en) | Carbon dioxide absorption system | |
| CN206045657U (en) | Superfine micronic dust is filtered and acid-base neutralization system | |
| CN208465513U (en) | A kind of smoldering furnace emission-control equipment | |
| CN209254433U (en) | Absorption tower structure in hydrochloric acid process | |
| CN213657591U (en) | Flue gas waste heat recovery device with waste gas purifying function | |
| CN210385451U (en) | Square whirlwind spray tower | |
| CN205435231U (en) | Horizontal acidic waste gas purifier | |
| CN213885630U (en) | Filler type cyclone waste gas treatment tower | |
| CN214437900U (en) | Desulphurization unit based on thermal power plant gas cleaning uses | |
| CN215352772U (en) | Dust collector that building engineering used | |
| CN221062229U (en) | Tail gas treatment device for aluminum sulfate reaction kettle | |
| CN218994100U (en) | White carbon black drying tail gas white eliminating device | |
| CN220071223U (en) | A drainage fan for tube bank waste gas waste heat utilization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |