CN206817447U - The dead steam recovery system of sulfuric acid apparatus - Google Patents
The dead steam recovery system of sulfuric acid apparatus Download PDFInfo
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- CN206817447U CN206817447U CN201720733199.8U CN201720733199U CN206817447U CN 206817447 U CN206817447 U CN 206817447U CN 201720733199 U CN201720733199 U CN 201720733199U CN 206817447 U CN206817447 U CN 206817447U
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- oxygen
- eliminating device
- venturi tube
- recovery system
- sulfuric acid
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Abstract
The utility model discloses the dead steam recovery system of sulfuric acid apparatus, dead steam recovery system includes：Recovery boiler, flash tank, Venturi tube, oxygen-eliminating device and circulating water pool；The outlet of flash tank is connected with the air inlet of Venturi tube；The gas outlet of Venturi tube is connected with the import of oxygen-eliminating device；The delivery port of oxygen-eliminating device is passed through in circulating water pool by drainage pipeline；The blow vent of oxygen-eliminating device communicates with the external world；Recovery boiler is provided with platoon waterpipe, and the water side of platoon waterpipe is connected by pipeline with the fountain head of flash tank；Fountain head is positioned at flash distillation top tank structure；The water inlet of recovery boiler is connected by the inlet channel with water pump and valve with circulating water pool.The utility model can effectively reclaim exhaust steam, increase condensation water quantity, steam saving.
Description
Technical field
The invention belongs to field of chemical equipment, and in particular to a kind of dead steam recovery system of sulfuric acid apparatus.
Background technology
Manufacture method output sulfur dioxide gas of the sulfuric acid typically by burning or calcining（Sour gas）.Sulfur dioxide gas
Body is through catalyst（V2O5）Catalysis generation sulfur trioxide gas, then absorb generation finished product sulfuric acid with 98% concentrated sulfuric acid.
Contain the steam for largely discharging calorific potential energy in tail gas.It is difficult because exhaust steam pressure is low, density is small, flow velocity is slow
With recovery.And the exhaust steam straight in existing sulfuric acid apparatus runs in and put, very big heat-energy losses are caused, influence surrounding enviroment, also companion
With there is emptying noise, caused steam amount 0.24+0.06=0.30 ton is discharged into air per hour, causes waste of steam.In addition,
Boiler connects water vent and directly discharged, and causes the serious waste of resource.It is continuous that resistance easily occurs in sulfuric acid apparatus flash tank
Elevated phenomenon.
Utility model content
The utility model provides a kind of dead steam recovery system of sulfuric acid apparatus, effectively reclaims exhaust steam, increases condensed water
Amount, steam saving.
The utility model proposes technical scheme：
The dead steam recovery system of sulfuric acid apparatus, described dead steam recovery system include：Recovery boiler, flash tank, venturi
Pipe, oxygen-eliminating device and circulating water pool；The outlet of described flash tank is connected with the air inlet of Venturi tube；Described Venturi tube
Gas outlet be connected with the import of oxygen-eliminating device；The delivery port of the oxygen-eliminating device is passed through in circulating water pool by drainage pipeline；Institute
The blow vent for stating oxygen-eliminating device communicates with the external world；
Described recovery boiler is provided with platoon waterpipe, and the water side of described platoon waterpipe passes through pipeline and flash tank
Fountain head be connected；Described fountain head is positioned at flash distillation top tank structure；The water inlet of the recovery boiler by with water pump and
The inlet channel of valve is connected with circulating water pool.
Further, described Venturi tube includes：First Venturi tube and the second Venturi tube；Described oxygen-eliminating device bag
Include the first oxygen-eliminating device and the second oxygen-eliminating device；Described flash tank has two outlets, and respectively with the first Venturi tube and the
The air inlet of two Venturi tubes is connected；The first described Venturi tube and the gas outlet of the second Venturi tube are removed with first respectively
The import of oxygen device and the second oxygen-eliminating device is connected；The delivery port of first oxygen-eliminating device and the second oxygen-eliminating device is led to by pipeline respectively
Enter in circulating water pool.
Further, the water side of the platoon waterpipe is provided with filter membrane.
Further, described fountain head is Fine spray shower nozzle.
Further, described fountain head is in the shape of a spiral positioned at flash distillation top tank structure.
Further, the direction of described fountain head and vertical level are in 45 degree of angles.
Further, described fountain head is connected by gas pipeline with compression gas tank.
Compared with prior art, the utility model one of at least has the advantages that：
1. the utility model is utilized using Venturi tube energy-saving appliance to sulfuric acid apparatus platoon water, and exhaust steam is returned
Receive, it is effective to save the energy and water source.
2. the utility model is avoided that flash drum overhead shower nozzle blocks and inner-tower filling material blocks, reduce flash tank resistance.
3. the utility model can effectively reclaim low grade heat energy, oxygen-eliminating device steam consumption is reduced.
4. the water in platoon water of the present utility model and circulating water pool can be recycled effectively, strengthen the repetition profit at water source
With rate.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Embodiment
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, below in conjunction with accompanying drawing, to this
The preferred embodiment of utility model is described in detail, to facilitate the technical staff to understand.
Embodiment 1
As shown in figure 1, the dead steam recovery system of sulfuric acid apparatus, it is characterised in that described dead steam recovery system includes：Return
Receive boiler 1, flash tank 2, Venturi tube 3, oxygen-eliminating device 4 and circulating water pool 5；The tail gas of sulfuric acid apparatus is passed through in flash tank, described
The outlet of flash tank 2 be connected with the air inlet 301 of Venturi tube 3；The gas outlet 302 of described Venturi tube 3 and deoxygenation
The import 401 of device 4 is connected；The delivery port 402 of the oxygen-eliminating device 4 is passed through in circulating water pool 5 by drainage pipeline 14；It is described to remove
The blow vent 403 of oxygen device 4 communicates with the external world；
Described recovery boiler 1 is provided with platoon waterpipe 7, and the water side 701 of described platoon waterpipe 7 passes through pipeline 6
It is connected with the fountain head 8 of flash tank 2；Described fountain head 8 is located at the inwall of flash tank 2；The water inlet of the recovery boiler 1
101 are connected by the inlet channel 9 with water pump 901 and valve 902 with circulating water pool 5.
Contain substantial amounts of steam in the tail gas of sulfuric acid apparatus, exhaust steam by flash tank, Venturi tube and is removed successively
Reclaimed and utilized in oxygen device.The utility model uses Venturi tube, can effectively strengthen the cohesion and recovery of steam, favorably
In the organic efficiency for improving exhaust steam.
Because recovery boiler platoon water is cleaner, and the content of material such as suspension, silt, algae is few, can effectively change
It is kind to replace process water to add flash tank using boiler platoon water, can flash tank tail inhale tower moisturizing and shower water and become very clean, no
Shower nozzle and pump inlet filter plate are easily blocked, reduces the deposition of dirty material filler in flash tank, beneficial on alleviation flash tank resistance
The problem of liter.The waste that the discharge of platoon water is brought is avoided simultaneously.Simultaneously can be effective by the water energy in platoon water and circulating water pool
Recycle, strengthen the recycling rate of waterused at water source, water source.
Embodiment 2
On the basis of embodiment 1, described Venturi tube 3 includes：First Venturi tube 10 and the second Venturi tube 11；
Described oxygen-eliminating device 4 includes the first oxygen-eliminating device 12 and the second oxygen-eliminating device 13；Described flash tank 2 has two outlets, and divides
Air inlet 301 not with the first Venturi tube 10 and the second Venturi tube 11 is connected；The first described Venturi tube 10 and
Import 401 of the gas outlet 302 of two Venturi tubes 11 respectively with the first oxygen-eliminating device 12 and the second oxygen-eliminating device 13 is connected；Described
The delivery port 402 of one oxygen-eliminating device 12 and the second oxygen-eliminating device 13 is passed through in circulating water pool 5 by pipeline 6 respectively.
Gas by flash tank is divided into two branch roads and handled by the utility model, not only reduces Venturi tube
Pressure is born, and can also effectively improve the efficiency of processing exhaust steam.
Embodiment 3
On the basis of embodiment 1 ~ 2, the water side 701 of the platoon waterpipe 7 is provided with filter membrane.By in water side
Filter membrane is set, can effectively reduce platoon impurities in water, reduces the resistance in flash tank.
Embodiment 4
On the basis of embodiment 1 ~ 3, described fountain head 8 is Fine spray shower nozzle.By vaporific shower nozzle, can effectively increase
The cooling effect of strong flash tank.
Embodiment 5
On the basis of embodiment 1 ~ 4, described fountain head 8 is located at the inwall of flash tank 2 in the shape of a spiral.It is in spiral shell by fountain head
Shape is revolved positioned at flash distillation top tank structure, can be reduced the dead angle sprayed, be strengthened the effect of cooling.
Embodiment 6
On the basis of embodiment 1 ~ 5, direction and the vertical level of described fountain head 8 are in 45 degree of angles.It is logical
The setting of over-angle can reduce the dead angle of sprinkling, strengthen the effect of cooling.
Embodiment 7
On the basis of embodiment 1 ~ 6, described fountain head 8 is connected by gas pipeline with compression gas tank.Pass through
It the setting of compressed air, can effectively increase the flow velocity of sprinkling platoon water, reduce the dead angle of sprinkling, strengthen the effect of cooling.
Claims (7)
1. the dead steam recovery system of sulfuric acid apparatus, it is characterised in that described dead steam recovery system includes：Recovery boiler（1）, dodge
Steaming pot（2）, Venturi tube（3）, oxygen-eliminating device（4）And circulating water pool（5）；Described flash tank（2）Outlet and Venturi tube（3）
Air inlet（301）It is connected；Described Venturi tube（3）Gas outlet（302）With oxygen-eliminating device（4）Import（401）It is connected
Connect；The oxygen-eliminating device（4）Delivery port（402）Pass through drainage pipeline（14）It is passed through circulating water pool（5）It is interior；The oxygen-eliminating device（4）
Blow vent（403）Communicated with the external world；
Described recovery boiler（1）Provided with platoon waterpipe（7）, described platoon waterpipe（7）Water side (701) pass through pipe
Road（6）With flash tank（2）Fountain head（8）It is connected；Described fountain head（8）Positioned at flash tank（2）Inwall；The recovery pot
Stove（1）Water inlet（101）By with water pump（901）And valve（902）Inlet channel（9）With circulating water pool（5）It is connected
Connect.
2. the dead steam recovery system of sulfuric acid apparatus according to claim 1, it is characterised in that described Venturi tube（3）
Including：First Venturi tube（10）With the second Venturi tube（11）；Described oxygen-eliminating device（4）Including the first oxygen-eliminating device（12）With
Two oxygen-eliminating devices（13）；Described flash tank（2）Have two outlet, and respectively with the first Venturi tube（10）With the second literary mound
In manage（11）Air inlet（301）It is connected；The first described Venturi tube（10）With the second Venturi tube（11）Gas outlet
（302）Respectively with the first oxygen-eliminating device（12）With the second oxygen-eliminating device（13）Import（401）It is connected；First oxygen-eliminating device（12）
With the second oxygen-eliminating device（13）Delivery port（402）Pass through pipeline respectively（6）It is passed through circulating water pool（5）It is interior.
3. the dead steam recovery system of sulfuric acid apparatus according to claim 1, it is characterised in that the platoon waterpipe（7）
Water side (701) be provided with filter membrane.
4. the dead steam recovery system of sulfuric acid apparatus according to claim 1, it is characterised in that described fountain head（8）For
Fine spray shower nozzle.
5. the dead steam recovery system of sulfuric acid apparatus according to claim 1, it is characterised in that described fountain head（8）It is in
Helical form is located at flash tank（2）Inwall.
6. the dead steam recovery system of sulfuric acid apparatus according to claim 1, it is characterised in that described fountain head（8）'s
Direction and vertical level are in 45 degree of angles.
7. the dead steam recovery system of sulfuric acid apparatus according to claim 1, it is characterised in that described fountain head（8）It is logical
Gas pipeline is crossed with compression gas tank to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733199.8U CN206817447U (en) | 2017-06-22 | 2017-06-22 | The dead steam recovery system of sulfuric acid apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733199.8U CN206817447U (en) | 2017-06-22 | 2017-06-22 | The dead steam recovery system of sulfuric acid apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN206817447U true CN206817447U (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720733199.8U Active CN206817447U (en) | 2017-06-22 | 2017-06-22 | The dead steam recovery system of sulfuric acid apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550681A (en) * | 2019-09-01 | 2019-12-10 | 自然资源部天津海水淡化与综合利用研究所 | Seawater desalination system thermally coupled with multiple product levels of power plant |
-
2017
- 2017-06-22 CN CN201720733199.8U patent/CN206817447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550681A (en) * | 2019-09-01 | 2019-12-10 | 自然资源部天津海水淡化与综合利用研究所 | Seawater desalination system thermally coupled with multiple product levels of power plant |
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