CN208869327U - A kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas - Google Patents
A kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas Download PDFInfo
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- CN208869327U CN208869327U CN201821523958.9U CN201821523958U CN208869327U CN 208869327 U CN208869327 U CN 208869327U CN 201821523958 U CN201821523958 U CN 201821523958U CN 208869327 U CN208869327 U CN 208869327U
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- Prior art keywords
- ammonium hydroxide
- steam
- vaporising device
- shell
- flue gas
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Abstract
The utility model provides a kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas, including shell；Case top is equipped with gas outlet, and shell upper end is equipped with ammonia inlet, is successively vertically arranged three vaporising devices in shell, three vaporising devices are arranged at the lower section of ammonia inlet；Vaporising device includes liquid distribution trough, and filler pressing and support screen are successively arranged below liquid distribution trough, is equipped with filler among filler pressing and support screen；Steam-heating pipe is equipped with below the vaporising device of lowermost end, one end of steam-heating pipe is equipped with steam trap, and the steam-heating pipe other end connects steam inlet；Housing bottom is equipped with tower bottom tapping valve, and housing exterior walls are symmetrical arranged two ear mounts along central axis.By the way of evaporating ammonium hydroxide part, the ammonia in ammonium hydroxide is evaporated using low-pressure steam as heat source for a kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas described in the utility model, by distilled ammonia wastewater qualified discharge, can save a large amount of energy.
Description
Technical field
The utility model belongs to denitrating flue gas field, evaporates dress more particularly, to a kind of energy saving ammonium hydroxide for denitrating flue gas
It sets.
Background technique
In environmental protection industry (epi) denitrating flue gas field, mainly using ammonia as reducing agent.Because liquefied ammonia is poisonous and harmful, inflammable easy
Quick-fried, so producing ammonia using liquefied ammonia evaporation, there are larger security risks, and it is excessive in the presence of consuming energy to use urea to decompose ammonia processed
The problem of, therefore many coking factories and steel enterprise sintering denitrating flue gas prepare ammonia by the way of ammonium hydroxide evaporation
Gas.
Ammonia concn usually 20% or so, is easily obtained on the market.What is generallyd use at present is ammonium hydroxide pervaporation work
Skill, but since original evaporation technology is difficult to handle distilled ammonia wastewater, ammonium hydroxide can generate extra steam when evaporating, thus have to
Pervaporation is carried out, to waste mass energy.
Summary of the invention
In view of this, the utility model is directed to a kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas, with low pressure
Steam is as heat source, and by the way of evaporating ammonium hydroxide part, the ammonia in ammonium hydroxide is evaporated, by distilled ammonia wastewater row up to standard
It puts, a large amount of energy can be saved.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas, including shell；Case top is equipped with gas outlet, on shell
End is equipped with ammonia inlet, is successively vertically arranged three vaporising devices in shell, three vaporising devices are arranged at ammonia inlet
Lower section；Vaporising device includes liquid distribution trough, and filler pressing and support screen, filler pressing are successively arranged below liquid distribution trough
Filler is equipped with among support screen；Steam-heating pipe is equipped with below the vaporising device of lowermost end, one end of steam-heating pipe is set
There is steam trap, the steam-heating pipe other end connects steam inlet；Housing bottom is equipped with tower bottom tapping valve, and housing exterior walls are along central axis
Line is symmetrical arranged two ear mounts.
Further, filler pressing both ends are connect by bolt with case inside wall.
Further, the bottom end of filler pressing and the top of support screen are equipped with stainless steel cloth.
Further, stainless steel wire is evenly distributed on the net multiple hexagon through-holes.
Further, housing tip is equipped with safety valve.
The safety of safety valve guarantee seal casinghousing pressure.
Further, hull outside is set there are two liquidometer mouth.
Liquidometer, the height of measuring device bottom water level can be inserted in liquidometer mouth.
Compared with the existing technology, a kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas described in the utility model has
Following advantage:
A kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas described in the utility model, with the use of three evaporation dresses
Setting enables ammonium hydroxide to be adequately evaporated, and improves the utilization rate of ammonium hydroxide and enables discarded ammonium hydroxide qualified discharge；Cooperation makes
With steam-heating pipe, condensation water energy is made to obtain recycling and reusing by steam trap；And the device is using low-pressure steam as heat source,
By the way of evaporating ammonium hydroxide part, the ammonia in ammonium hydroxide is evaporated, by distilled ammonia wastewater qualified discharge, device is working
Middle operation is quiet steady, can save a large amount of energy.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is a kind of energy saving ammonium hydroxide vaporising device structural representation for denitrating flue gas described in the utility model embodiment
Figure；
Fig. 2 is a kind of energy saving ammonium hydroxide vaporising device top view for denitrating flue gas described in the utility model embodiment；
Fig. 3 is amplification at a kind of energy saving ammonium hydroxide vaporising device I for denitrating flue gas described in the utility model embodiment
Schematic diagram；
Fig. 4 is amplification at a kind of energy saving ammonium hydroxide vaporising device II for denitrating flue gas described in the utility model embodiment
Schematic diagram；
Fig. 5 is a kind of energy saving ammonium hydroxide vaporising device stainless steel wire for denitrating flue gas described in the utility model embodiment
Net enlarged diagram.
Description of symbols:
1- shell；The gas outlet 2-；3- ammonia inlet；The steam inlet 4-；5- ear mount；6- supports screen；7- stainless steel cloth；
8- liquid distribution trough；9- filler pressing；10- tower bottom tapping valve；11- safety-valve；12- steam-heating pipe；13- steam trap.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figs. 1-5, a kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas, including shell 1；It is set at the top of shell 1
There is gas outlet 2,1 upper end of shell is equipped with ammonia inlet 3, is successively vertically arranged three vaporising devices, three vaporising devices in shell 1
It is arranged at the lower section of ammonia inlet 3；Vaporising device includes liquid distribution trough 8, and filler pressure is successively arranged below liquid distribution trough 8
Filler is equipped among circle 9 and support screen 6, filler pressing 9 and support screen 6；Steam is equipped with below the vaporising device of lowermost end
Heating tube 12, one end of steam-heating pipe 12 are equipped with steam trap 13, and 12 other end of steam-heating pipe connects steam inlet 4；Shell 1
Bottom end is equipped with tower bottom tapping valve 10, and 1 outer wall of shell is symmetrical arranged two ear mounts 5 along central axis.
As shown in Figs. 1-5,9 both ends of filler pressing are connect by bolt with 1 inner sidewall of shell.
As shown in Figs. 1-5, the bottom end of filler pressing 9 and the top of support screen 6 are equipped with stainless steel cloth 7.
As shown in Figs. 1-5, evenly distributed on stainless steel cloth 7 to have multiple hexagon through-holes.
As shown in Figs. 1-5,1 top of shell is equipped with safety valve 11.
The safety of the guarantee seal casinghousing pressure of safety valve 11.
As shown in Figs. 1-5, liquidometer mouth there are two being set on the outside of shell 1.
Liquidometer, the height of measuring device bottom water level can be inserted in liquidometer mouth.
A kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas described in the utility model in practical applications, ammonium hydroxide from
Ammonia inlet 3 at the top of equipment enters the present apparatus, is equably flowed from the top to the bottom by liquid distribution trough 8, into filler, steam
Enter from the steam inlet of base of evaporator 4, in filler surface, ammonium hydroxide meets with steam from below to up, after ammonium hydroxide is heated
Ammonia overflows, and exports from gas outlet 2, remaining low concentration ammonium hydroxide flows from the top to the bottom under gravity, in the table of filler
Face continues to contact with steam from bottom to top, is dissolved in ammonia therein and continuously overflows, and is pooled to the output of gas outlet 2.
The ammonium hydroxide of low concentration is continuously overflowed due to becoming ammonia after being heated, until reaching qualified discharge requirement, remaining ammonia
Water is pooled to device bottom under gravity, forms certain liquid level.Steam is added water by steam-heating pipe 12
Heat arrives micro-boiling state, and the heat released rises together with a small amount of vapor from the liquid level of water, goes to heat and flows down from above
Ammonium hydroxide, this process move in circles, and ammonia is evaporated from ammonium hydroxide, by remaining ammonium hydroxide from the row up to standard of tower bottom tapping valve 10
It puts.Steam becomes condensed water after being exchanged with water in steam-heating pipe 12, passes through 13 recycling and reusing of steam trap.Gas outlet 2
Temperature be normally controlled in 60 DEG C or so, in the composition of exit gas containing 12.5% vapor, 87.5% ammonia and ammonia
Water pervaporation equipment is compared, and is greatly reduced the dosage of heat source, is saved the energy.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas, it is characterised in that: including shell (1)；Shell (1) top
Portion is equipped with gas outlet (2), and shell (1) upper end is equipped with ammonia inlet (3), is successively vertically arranged three in the shell (1)
Vaporising device, three vaporising devices are arranged at the lower section of the ammonia inlet (3)；The vaporising device includes liquid point
Cloth device (8), liquid distribution trough (8) lower section are successively arranged filler pressing (9) and support screen (6), the filler pressing (9)
It is intermediate equipped with filler with the support screen (6)；Steam-heating pipe (12) are equipped with below the vaporising device of lowermost end, it is described
One end of steam-heating pipe (12) is equipped with steam trap (13), and steam-heating pipe (12) other end connects steam inlet (4)；Institute
Shell (1) bottom end is stated equipped with tower bottom tapping valve (10), shell (1) outer wall is symmetrical arranged two ear mounts (5) along central axis.
2. a kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas according to claim 1, it is characterised in that: described to fill out
Material pressing ring (9) both ends are connect by bolt with the shell (1) inner sidewall.
3. a kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas according to claim 1, it is characterised in that: described to fill out
The top of the bottom end and support screen (6) of expecting pressing ring (9) is equipped with stainless steel cloth (7).
4. a kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas according to claim 3, it is characterised in that: it is described not
It is evenly distributed on rust steel wire (7) to have multiple hexagon through-holes.
5. a kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas according to claim 1, it is characterised in that: the shell
Body (1) top is equipped with safety valve (11).
6. a kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas according to claim 1, it is characterised in that: the shell
Liquidometer mouth there are two being set on the outside of body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821523958.9U CN208869327U (en) | 2018-09-18 | 2018-09-18 | A kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821523958.9U CN208869327U (en) | 2018-09-18 | 2018-09-18 | A kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208869327U true CN208869327U (en) | 2019-05-17 |
Family
ID=66468010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821523958.9U Expired - Fee Related CN208869327U (en) | 2018-09-18 | 2018-09-18 | A kind of energy saving ammonium hydroxide vaporising device for denitrating flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208869327U (en) |
-
2018
- 2018-09-18 CN CN201821523958.9U patent/CN208869327U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190517 Termination date: 20210918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |