CN207169411U - A kind of drop ammonia device circulated using cleaning solution - Google Patents
A kind of drop ammonia device circulated using cleaning solution Download PDFInfo
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- CN207169411U CN207169411U CN201720880772.8U CN201720880772U CN207169411U CN 207169411 U CN207169411 U CN 207169411U CN 201720880772 U CN201720880772 U CN 201720880772U CN 207169411 U CN207169411 U CN 207169411U
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- cleaning solution
- furnace gas
- ammonia
- wash water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses a kind of drop ammonia device circulated using cleaning solution, including furnace gas scrubbing tower and net ammonia wash water bucket, the bottom of furnace gas scrubbing tower wherein side connects with furnace gas air inlet pipe, opposite side connects with cleaning solution drain pipe, the top of furnace gas scrubbing tower connects with furnace gas escape pipe, the upper side of furnace gas scrubbing tower is connected by pipeline with net ammonia wash water bucket, the top of net ammonia wash water bucket connects with net ammonia wash water water inlet pipe, cleaning solution drain pipe connects with washing the inlet of liquid pump, the liquid outlet of washing liquid pump is connected by pipeline with external equipment, cleaning solution circulating line is also communicated between cleaning solution drain pipe and net ammonia wash water bucket;The utility model adds net ammonia leaching requirement, furnace gas is set fully to be washed, reduce supplement desalination water simultaneously, successfully solve because weight alkali net ammonia leaching requirement deficiency and caused by furnace gas ammon amount cannot sufficiently wash, make to be sent to ammonia content in the furnace gas of compression section and significantly reduce.
Description
Technical field
A kind of drop ammonia device, more particularly to a kind of drop ammonia device circulated using cleaning solution are the utility model is related to, is belonged to
Flue gas cleaning technical field.
Background technology
Furnace gas scrubbing tower is mainly used in washing furnace gas, and furnace gas enters from the bottom of scrubbing tower, come out from the top of scrubbing tower,
Net ammonia wash water enters at the top of scrubbing tower, is come out from wash tower bottoms, and net ammonia wash water adverse current directly contacts to enter furnace gas with furnace gas
Row washing, reduces ammonia content in furnace gas, while further reduces furnace gas temperature, and the furnace gas after washing is sent to weight alkali workshop pressure
Contracting process, cleaning solution are sent to weight alkali workshop carbon filter process, at present, due to the net ammonia leaching requirement deficiency that weight alkali workshop is sent, furnace gas
In ammonia cannot sufficiently wash so that height containing ammonia causes compressor end cooler gas side ammonia crystallization occur in furnace gas, influence
Compressor stable operation, the subject matter for causing this phenomenon are due to following several situations:When the 1st, founding the factory, furnace gas scrubbing tower is per year
600,000 tons of soda manufacture ability processing furnace gases are produced, production scale has been expanded production to 1,200,000 tons of soda ash are produced per year at present, and furnace gas scrubbing tower is washed
It is substantially insufficient to wash furnace gas ability, it is impossible to meet production needs, cause higher containing ammonia in furnace gas after washing, influence next procedure compression
Machine normal operation;2nd, summer temperature is higher, and in order to meet to produce needs, the net ammonia wash water rate of water make-up of weight alkali is substantially insufficient, needs to calcine
Workshop supplements a large amount of desalted waters toward furnace gas scrubbing tower and used for heavy alkaline filtration, supplements within 1 year about four months, class's supplement is about
50m3, cause the increase of soda ash cost consumption;3rd, the former design net ammonia leaching requirement of furnace gas scrubbing tower is 42.4 m3/ h, furnace gas is washed after expanding production
Washing the net ammonia leaching requirement of tower needs 90m3/ h could meet production needs, and the net ammonia leaching requirement of furnace gas scrubbing tower can only achieve 72m at present3/ h,
Therefore, net ammonia leaching requirement wretched insufficiency, causes furnace gas fully to wash, and ammon amount is still higher in the furnace gas after washing, shadow
Ring next procedure compressor normal operation.
The content of the invention
To solve the deficiencies in the prior art, the utility model provides a kind of drop ammonia device circulated using cleaning solution, increase
Net ammonia leaching requirement, makes furnace gas fully be washed, while reduces supplement desalination water, successfully solves because weight alkali net ammonia is washed
Water shortage and caused by furnace gas ammon amount cannot sufficiently wash, it is high containing ammonia to effectively prevent the furnace gas not washed fully
The problem of causing the ammonia crystallization of next procedure compressor end cooler gas side and influenceing compressor stable operation, makes to be sent to compression section
Ammonia content significantly reduces in furnace gas, and the stability of compressor operating is effectively controlled, one times of cycle of operation life.
Technical scheme is used by the utility model:
A kind of drop ammonia device circulated using cleaning solution, including furnace gas scrubbing tower and net ammonia wash water bucket, the furnace gas washing
The bottom of tower wherein side connects with furnace gas air inlet pipe, and opposite side connects with cleaning solution drain pipe, the top of the furnace gas scrubbing tower
Portion is connected with furnace gas escape pipe, and the upper side of the furnace gas scrubbing tower is connected by pipeline with net ammonia wash water bucket, the net ammonia
The top of wash water bucket connects with net ammonia wash water water inlet pipe, and the cleaning solution drain pipe connects with washing the inlet of liquid pump, washs
The liquid outlet of liquid pump is connected by pipeline with external equipment, and washing is also communicated between cleaning solution drain pipe and net ammonia wash water bucket
Liquid circulating line.
As it is of the present utility model further preferably, be provided with Parallel Slide Valves on described cleaning solution circulating line, utilize slurry
The circular flow of liquid valve regulation cleaning solution.
As it is of the present utility model further preferably, described cleaning solution circulating line is DN80mm pipelines, described slurry
Liquid valve is Z73X-10-DN80 type Parallel Slide Valves.
As it is of the present utility model further preferably, what described furnace gas scrubbing tower upper side connected with net ammonia wash water bucket
Pipeline and the cleaning solution drain pipe of furnace gas scrubbing tower lower side are in the same side of furnace gas scrubbing tower.
As it is of the present utility model further preferably, be provided with circulating pump on described cleaning solution circulating line, effectively carry
High cleaning solution circulation rate and efficiency.
As it is of the present utility model further preferably, described circulating pump is arranged between Parallel Slide Valves and net ammonia wash water bucket
On cleaning solution circulating line.
The beneficial effects of the utility model are:Increase a cleaning solution between cleaning solution drain pipe and net ammonia wash water bucket
Circulating line, and by the circular flow of cleaning solution in Parallel Slide Valves control cleaning solution circulating line, realize cleaning solution drain pipe
In a part of cleaning solution be introduced into net ammonia wash water bucket and mixed with net ammonia wash water, and be again introduced into circulation in furnace gas scrubbing tower and make
With;Net ammonia leaching requirement is effectively increased, furnace gas is fully washed, while reduces supplement desalination water, is successfully solved
Because weight alkali net ammonia leaching requirement deficiency and caused by furnace gas ammon amount cannot sufficiently wash, effectively prevent fully washing
Furnace gas height containing ammonia the problem of causing the crystallization of next procedure compressor end cooler gas side ammonia and influenceing compressor stable operation, make to send
Into the furnace gas of compression section, ammonia content significantly reduces, and the stability of compressor operating is effectively controlled, the life-span cycle of operation
One times of extension, meanwhile, the utilization rate of cleaning solution increases, and soda ash energy consumption and cost reduce, and economic feasibility is high, saves and is produced into
This, improves Business Economic Benefit.
Brief description of the drawings:
Fig. 1 is the utility model structure diagram;
Main Reference Numerals implication is as follows in figure:
1- furnace gas scrubbing towers, the net ammonia wash water buckets of 2-, 3- furnace gas air inlet pipe, 4- cleaning solution drain pipes, 5- furnace gas escape pipes, 6-
Pipeline, the net ammonia wash water water inlet pipes of 7-, 8- washing liquid pumps, 9- cleaning solution circulating lines, 10- Parallel Slide Valves, 11- circulating pumps.
Embodiment:
Specific introduction is done to the utility model with reference to the accompanying drawings and examples.
As shown in Figure 1:The present embodiment is a kind of drop ammonia device circulated using cleaning solution, including furnace gas scrubbing tower 1 and net
Ammonia wash water bucket 2, the bottom wherein side of furnace gas scrubbing tower 1 connect with furnace gas air inlet pipe 3, and opposite side connects with cleaning solution drain pipe 4
Logical, the top of furnace gas scrubbing tower 1 is connected with furnace gas escape pipe 5, and the upper side of furnace gas scrubbing tower 1 is washed by pipeline 6 and net ammonia
Bucket 2 is connected, and the top of net ammonia wash water bucket 2 is connected with net ammonia wash water water inlet pipe 7, and the upper side of furnace gas scrubbing tower 1 is washed with net ammonia
The pipeline 6 and the cleaning solution drain pipe 4 of the lower side of furnace gas scrubbing tower 1 that bucket 2 connects in the same side of furnace gas scrubbing tower 1,
Cleaning solution drain pipe 4 is connected with washing the inlet of liquid pump 8, and the liquid outlet for washing liquid pump 8 is connected by pipeline 6 and external equipment
It is logical, also it is communicated with cleaning solution circulating line 9 between cleaning solution drain pipe 4 and net ammonia wash water bucket 2;The present embodiment follows in cleaning solution
Parallel Slide Valves 10 are provided with endless tube road 9, the circular flow of cleaning solution, and the cleaning solution in the present embodiment are adjusted using Parallel Slide Valves 10
Circulating line 9 is DN80mm pipelines, and Parallel Slide Valves 10 are Z73X-10-DN80 type Parallel Slide Valves, meanwhile, the present embodiment follows in cleaning solution
Circulating pump 11 is additionally provided with endless tube road 9, effectively improves cleaning solution circulation rate and efficiency, and circulating pump 11 is arranged on Parallel Slide Valves
On cleaning solution circulating line 9 between 10 and net ammonia wash water bucket 2.
The present embodiment is in actual motion, by the cleaning solution in cleaning solution drain pipe with 25m3/ h flow introduces net ammonia and washed
Mixed in bucket with net ammonia wash water, and be again introduced into furnace gas scrubbing tower and recycle, cleaning solution adds containing ammonia after implementation
5.92tt, net ammonia wash water add 4.06tt, the m of cleaning solution internal circulating load 25 containing ammonia3/ h, net ammonia leaching requirement add 18~23m3/
H, net ammonia wash water temperature add 5 DEG C, and supplement desalination water reduces 25 m3/ h, control needs are produced according to winter index, will
At 40~45 DEG C, furnace gas scrubbing tower air outlet temperature controls at 37~39 DEG C the control of spiral-plate heat exchanger air outlet temperature, is sent to compression
Ammonia content significantly reduces in the furnace gas of process, also reduces due to net ammonia leaching requirement deficiency supplement desalination water 25m3/ h or so,
Year saves desalted water 72000m3, desalted water price is 3.253 yuan/m3, then about 23.4 ten thousand yuan of desalted water cost is saved in year.
Following table is the present embodiment and the contrast form of existing furnace gas washing system device leading indicator:
The utility model increases a cleaning solution circulating line between cleaning solution drain pipe and net ammonia wash water bucket, and passes through
The circular flow of cleaning solution, is realized a part of cleaning solution in cleaning solution drain pipe in Parallel Slide Valves control cleaning solution circulating line
It is introduced into net ammonia wash water bucket and is mixed with net ammonia wash water, and is again introduced into furnace gas scrubbing tower and recycles;Effectively increase net ammonia
Leaching requirement, furnace gas is fully washed, while reduce supplement desalination water, successfully solve because of the weight net ammonia leaching requirement of alkali not
Ammon amount cannot be washed sufficiently in furnace gas caused by enough, be effectively prevent the furnace gas height containing ammonia not washed fully and is caused down
The problem of procedure compressor end cooler gas side ammonia crystallizes and influences compressor stable operation, makes to be sent in the furnace gas of compression section
Ammonia content significantly reduces, and the stability of compressor operating is effectively controlled, one times of cycle of operation life, meanwhile, washing
The utilization rate of liquid increases, and soda ash energy consumption and cost reduce, and economic feasibility is high, saves production cost, improves business economic
Benefit.
Described above is only the preferred embodiment of the utility model patent, it is noted that for the general of the art
For logical technical staff, on the premise of the utility model patent principle is not departed from, some improvements and modifications can also be made, this
A little improvements and modifications also should be regarded as the protection domain of the utility model patent.
Claims (6)
- A kind of 1. drop ammonia device circulated using cleaning solution, it is characterised in that:It is described including furnace gas scrubbing tower and net ammonia wash water bucket The bottom of furnace gas scrubbing tower wherein side is connected with furnace gas air inlet pipe, and opposite side connects with cleaning solution drain pipe, and the furnace gas is washed The top for washing tower is connected with furnace gas escape pipe, and the upper side of the furnace gas scrubbing tower is connected by pipeline with net ammonia wash water bucket, The top of the net ammonia wash water bucket connects with net ammonia wash water water inlet pipe, and the inlet of the cleaning solution drain pipe and washing liquid pump connects Logical, the liquid outlet for washing liquid pump is connected by pipeline with external equipment, is also connected between cleaning solution drain pipe and net ammonia wash water bucket It is connected with cleaning solution circulating line.
- A kind of 2. drop ammonia device circulated using cleaning solution according to claim 1, it is characterised in that described cleaning solution Parallel Slide Valves are provided with circulating line.
- A kind of 3. drop ammonia device circulated using cleaning solution according to claim 2, it is characterised in that described cleaning solution Circulating line is DN80mm pipelines, and described Parallel Slide Valves are Z73X-10-DN80 type Parallel Slide Valves.
- 4. a kind of drop ammonia device circulated using cleaning solution according to claim 1, it is characterised in that described furnace gas is washed The cleaning solution drain pipe for washing pipeline that tower upper side connects with net ammonia wash water bucket and furnace gas scrubbing tower lower side is washed in furnace gas Wash the same side of tower.
- A kind of 5. drop ammonia device circulated using cleaning solution according to claim 2, it is characterised in that described cleaning solution Circulating pump is provided with circulating line.
- A kind of 6. drop ammonia device circulated using cleaning solution according to claim 5, it is characterised in that described circulating pump It is arranged on the cleaning solution circulating line between Parallel Slide Valves and net ammonia wash water bucket.
Priority Applications (1)
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CN201720880772.8U CN207169411U (en) | 2017-07-20 | 2017-07-20 | A kind of drop ammonia device circulated using cleaning solution |
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CN201720880772.8U CN207169411U (en) | 2017-07-20 | 2017-07-20 | A kind of drop ammonia device circulated using cleaning solution |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117658365A (en) * | 2023-12-13 | 2024-03-08 | 实联化工(江苏)有限公司 | Method for stabilizing washing water quality in heavy alkali filtering process in sodium carbonate production |
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2017
- 2017-07-20 CN CN201720880772.8U patent/CN207169411U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117658365A (en) * | 2023-12-13 | 2024-03-08 | 实联化工(江苏)有限公司 | Method for stabilizing washing water quality in heavy alkali filtering process in sodium carbonate production |
CN117658365B (en) * | 2023-12-13 | 2024-07-02 | 实联化工(江苏)有限公司 | Method for stabilizing washing water quality in heavy alkali filtering process in sodium carbonate production |
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