CN206642394U - A kind of useless ammonia steaming system of profit - Google Patents
A kind of useless ammonia steaming system of profit Download PDFInfo
- Publication number
- CN206642394U CN206642394U CN201720401319.4U CN201720401319U CN206642394U CN 206642394 U CN206642394 U CN 206642394U CN 201720401319 U CN201720401319 U CN 201720401319U CN 206642394 U CN206642394 U CN 206642394U
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- China
- Prior art keywords
- ammonia
- ammoniacal liquor
- outlet
- still
- useless
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model belongs to coking industry ammonia still process technical field, specifically discloses a kind of useless ammonia steaming system of profit.The useless ammonia steaming system of the profit includes ammonia still, and the distilled ammonia wastewater outlet of ammonia still is connected with ammoniacal liquor heat exchanger and ammoniacal liquor medial launder respectively；The remained ammonia outlet of ammoniacal liquor heat exchanger is connected with the tower top of ammonia still, and the distilled ammonia wastewater outlet of ammoniacal liquor heat exchanger is sequentially connected with wastewater trough, gaseous effluent cooler；Molten sulphur steam condensate (SC) inlet pipe and sulphur ammonium steam condensate (SC) inlet pipe are also respectively provided with ammoniacal liquor medial launder, the ammoniacal liquor outlet of ammoniacal liquor medial launder is connected by ammonia circulation pump with tube furnace, the outlet of tube furnace is connected with reboiler, the steam (vapor) outlet of reboiler is connected with ammonia still, and the wastewater outlet of reboiler is connected with ammoniacal liquor medial launder.The useless ammonia steaming system of profit provided by the utility model can reduce steam consumption, reduce the cost of ammonia distillation process.
Description
Technical field
It the utility model is related to coking industry ammonia still process technical field, and in particular to a kind of useless ammonia steaming system of profit.
Background technology
Coking industry tradition is to use live (open) steam ammonia distillation process at present, and steam enters ammonia still bottom, and for volatilizing, ammonia steams
Evaporate and distilled with Stagnant ammonium, the technique meets deamination requirement, thus is widely applied in China's coking industry.But directly steam
There is the shortcomings that obvious in decatize ammonia process, can dramatically increase steam consumption, while add distilled ammonia wastewater yield, increase phenol
The processing load of cyanogen Sewage Disposal, and also improve production and processing cost.
Utility model content
The utility model mainly solving the technical problems that provide a kind of profit useless ammonia steaming system, with reduce ammonia distillation process into
This.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of useless ammonia steaming system of profit, the profit
Useless ammonia steaming system includes ammonia still, and the distilled ammonia wastewater outlet of the ammonia still connects with ammoniacal liquor heat exchanger and ammoniacal liquor medial launder respectively
Connect；The remained ammonia outlet of the ammoniacal liquor heat exchanger is connected with the tower top of the ammonia still, and the ammonia still process of the ammoniacal liquor heat exchanger is given up
Water out is sequentially connected with wastewater trough, gaseous effluent cooler；Molten sulphur steam condensate (SC) is also respectively provided with the ammoniacal liquor medial launder
Inlet pipe and sulphur ammonium steam condensate (SC) inlet pipe, the ammoniacal liquor outlet of the ammoniacal liquor medial launder are connected by ammonia circulation pump with tube furnace,
The outlet of the tube furnace is connected with reboiler, and the steam (vapor) outlet of the reboiler is connected with the ammonia still, the reboiler
Wastewater outlet be connected with the ammoniacal liquor medial launder.
Further, be provided with remained ammonia inlet pipe on the ammoniacal liquor heat exchanger, the remained ammonia inlet pipe successively with ammonia
Water filter, cold drum concatenation.
Further, the top of the ammonia still is provided with ammonia dephlegmator, and the ammonia still is conveyed by steaming ammonia
Pipeline is connected with the ammonia dephlegmator, and the liquid output pipe road of the ammonia dephlegmator is connected with the top of tower of the ammonia still, institute
The ammonia output channel for stating ammonia dephlegmator is connected with condensate cooler, and clear liquid groove is provided with after the condensate cooler.
Further, the gaseous effluent cooler is connected with sewage workshop section.
The beneficial effects of the utility model are：The useless ammonia steaming system of profit provided by the utility model, there is provided tube furnace, with pipe
The hot water of formula stove heat, to substitute live (open) steam caused by original boiler, is reduced and directly steamed by discharging steam after reboiler
The dosage of vapour, effectively reduce the cost of ammonia distillation process；The ammoniacal liquor medial launder moisturizing of tube furnace has the molten sulphur steam of desulphurization system
Condensed water, the sulphur ammonium steam condensate (SC) of ammonium sulfate workshop section and a part of distilled ammonia wastewater, water quality are periodically chemically examined, and pH value is 7~9, calcium, magnesium
Ion concentration is less than 300mg/L, and total hardness is less than 500mg/L, meets tube furnace water quality requirement, i.e., tube furnace water source using
Caused steam condensate (SC) after each workshop section's production in workshop, is used as water source after collection, reach the useless purpose of profit, also save cost, together
When compared to using distilled ammonia wastewater merely, this ammonia steaming system is not allowed to be also easy to produce tube furnace stove in-tube fouling, ensure that making for tube furnace
With life-span and heat transfer effect, reduce gas consumption；By setting two equipment of reboiler and wastewater trough simultaneously, production ensure that
Stability and security.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the useless ammonia steaming system embodiment of profit provided by the utility model；
In figure：1- ammonia stills, 2- ammoniacal liquor heat exchangers, 3- wastewater troughs, 4- gaseous effluent coolers, 5- ammoniacal liquor medial launders, 6- tubular types
Stove, 7- reboilers, 8- ammonia circulation pumps, 9- melt sulphur steam condensate (SC) inlet pipe, 10- sulphur ammonium steam condensate (SC) inlet pipes, 11- residue ammonia
Water inlet pipe, 12- ammoniacal liquor filters, the cold drums of 13-, 14- ammonia dephlegmators, 15- condensate coolers, 16- clear liquid grooves.
Embodiment
Below in conjunction with the accompanying drawings, embodiment of the present utility model is described in detail.
Fig. 1 provides a kind of useless ammonia steaming system of profit, including ammonia still 1, the distilled ammonia wastewater outlet of ammonia still 1 respectively with ammoniacal liquor
Heat exchanger 2 and ammoniacal liquor medial launder 5 connect；The remained ammonia outlet of ammoniacal liquor heat exchanger 2 is connected with the tower top of ammonia still 1, and ammoniacal liquor changes
The distilled ammonia wastewater outlet of hot device 2 is sequentially connected with wastewater trough 3, gaseous effluent cooler 4, outlet and the sewage workshop section of gaseous effluent cooler 4
Connection, the waste water after the cooling of gaseous effluent cooler 4 are handled into sewage workshop section；Remained ammonia is provided with ammoniacal liquor heat exchanger 2 to enter
Pipe 11, remained ammonia inlet pipe 11 concatenate with ammoniacal liquor filter 12, cold drum 13 successively；
Molten sulphur steam condensate (SC) inlet pipe 9 and sulphur ammonium steam condensate (SC) inlet pipe 10, ammonia are also respectively provided with ammoniacal liquor medial launder 5
The ammoniacal liquor outlet of water medial launder 5 is connected by ammonia circulation pump 8 with tube furnace 6, and the outlet of tube furnace 6 is connected with reboiler 7, then
The steam (vapor) outlet of boiling device 7 is connected with ammonia still 1, and the wastewater outlet of reboiler 7 is connected with ammoniacal liquor medial launder 5；
The top of ammonia still 1 is provided with ammonia dephlegmator 14, and ammonia still 1 is by steaming ammonia conveyance conduit and ammonia dephlegmator 14
Connection, the liquid output pipe road of ammonia dephlegmator 14 is connected with the top of tower of ammonia still 1, the ammonia output channel of ammonia dephlegmator 14 and
Condensate cooler 15 is connected, and clear liquid groove 16 is provided with after condensate cooler 15.
The brief description of the process for the useless ammonia steaming system of profit that Fig. 1 is provided：By cold drum 13 remained ammonia through ammoniacal liquor filter
12, to filter the debris such as the tar in remained ammonia, given up subsequently into ammoniacal liquor heat exchanger 2 with the ammonia still process come from the bottom of ammonia still 1
Water exchanges heat, and remained ammonia is heated to 85 DEG C or so and distilled from ammonia still process tower top stripping section into ammonia still 1, and ammonia still 1 steams ammonia
Gas exchanges heat with recirculated water and cooled down, the liquid that partial condensation is got off enters the tower top of ammonia still 1 and flowed back, uncooled through ammonia dephlegmator 14
The condensed cooler 15 of ammonia and recirculated water further exchange heat cooling, the concentrated ammonia liquor after cooling oneself flow to clear liquid groove 16；Ammonia still process
After a part of distilled ammonia wastewater of the bottom of towe of tower 1 discharge exchanges heat in ammoniacal liquor heat exchanger 2 with remained ammonia, into wastewater trough 3, Ran Houyou
Waste water pump is sent to sewage workshop section through gaseous effluent cooler 4；Molten sulphur steam condensate (SC), sulphur ammonium steam condensate (SC) and from the bottom of towe of ammonia still 1
As the moisturizing of ammoniacal liquor medial launder 5, the ammoniacal liquor in ammoniacal liquor medial launder 5 is sent another part distilled ammonia wastewater of discharge through ammonia circulation pump 8
Enter reboiler 7 after being heated to 125~135 DEG C to tube furnace 6, hot ammoniacal liquor flashes in reboiler 7, and steam is from reboiler
7 tops enter the ammonia still process of ammonia still 1, and the waste water of reboiler 7 flow to ammoniacal liquor medial launder 5 certainly and recycled.
Our company is using the useless ammonia steaming system of profit shown in Fig. 1, and operating cost ratio directly steams the formal ammonia still process of tube furnace per hour
Decatize ammonia reduces 597 yuan.16303 yuan of operating cost can be reduced daily；By this calculating, whole year can save operating cost about 5,950,000
Member.Remove 100,000 yuan of tube furnace ammonia still process year maintenance of equipment expense, annual actual 5,850,000 yuan of operating cost of saving.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure transformation made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other correlations
Technical field, it is included in scope of patent protection of the present utility model.
Claims (4)
1. a kind of useless ammonia steaming system of profit, it is characterised in that the useless ammonia steaming system of profit includes ammonia still, the ammonia still process of the ammonia still
Wastewater outlet is connected with ammoniacal liquor heat exchanger and ammoniacal liquor medial launder respectively；Remained ammonia outlet and the steaming of the ammoniacal liquor heat exchanger
The tower top connection of ammonia tower, the distilled ammonia wastewater outlet of the ammoniacal liquor heat exchanger are sequentially connected with wastewater trough, gaseous effluent cooler；The ammonia
Molten sulphur steam condensate (SC) inlet pipe and sulphur ammonium steam condensate (SC) inlet pipe are also respectively provided with water medial launder, the ammoniacal liquor medial launder
Ammoniacal liquor outlet is connected by ammonia circulation pump with tube furnace, and the outlet of the tube furnace is connected with reboiler, the reboiler
Steam (vapor) outlet is connected with the ammonia still, and the wastewater outlet of the reboiler is connected with the ammoniacal liquor medial launder.
2. the useless ammonia steaming system of profit according to claim 1, it is characterised in that be provided with remaining ammonia on the ammoniacal liquor heat exchanger
Water inlet pipe, the remained ammonia inlet pipe concatenate with ammoniacal liquor filter, cold drum successively.
3. the useless ammonia steaming system of profit according to claim 2, it is characterised in that the top of the ammonia still is provided with ammonia point contracting
Device, the ammonia still are connected by steaming ammonia conveyance conduit with the ammonia dephlegmator, the liquid output pipe of the ammonia dephlegmator
Road is connected with the top of tower of the ammonia still, and the ammonia output channel of the ammonia dephlegmator is connected with condensate cooler, described cold
Clear liquid groove is provided with after solidifying cooler.
4. the useless ammonia steaming system of profit according to claim 3, it is characterised in that the gaseous effluent cooler connects with sewage workshop section
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720401319.4U CN206642394U (en) | 2017-04-17 | 2017-04-17 | A kind of useless ammonia steaming system of profit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720401319.4U CN206642394U (en) | 2017-04-17 | 2017-04-17 | A kind of useless ammonia steaming system of profit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206642394U true CN206642394U (en) | 2017-11-17 |
Family
ID=60277867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720401319.4U Expired - Fee Related CN206642394U (en) | 2017-04-17 | 2017-04-17 | A kind of useless ammonia steaming system of profit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206642394U (en) |
-
2017
- 2017-04-17 CN CN201720401319.4U patent/CN206642394U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171117 Termination date: 20180417 |