CN202046909U - Residual aqueous ammonia purification device of blast condensation system for coke oven gas purification - Google Patents
Residual aqueous ammonia purification device of blast condensation system for coke oven gas purification Download PDFInfo
- Publication number
- CN202046909U CN202046909U CN2011201253447U CN201120125344U CN202046909U CN 202046909 U CN202046909 U CN 202046909U CN 2011201253447 U CN2011201253447 U CN 2011201253447U CN 201120125344 U CN201120125344 U CN 201120125344U CN 202046909 U CN202046909 U CN 202046909U
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- aqueous ammonia
- pipeline
- tank
- ammoniacal liquor
- sloptank
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Abstract
The utility model discloses a residual aqueous ammonia purification device of a blast condensation system for coke oven gas purification. The purification device comprises a circulating aqueous ammonia intermediate tank, auxiliary pipeline valves of the circulating aqueous ammonia intermediate tank, a residual aqueous ammonia tank, auxiliary pipeline valves of the residual aqueous ammonia tank, an underground tank and an auxiliary pipeline of the underground tank, wherein an aqueous ammonia purification pump is mounted close to the underground tank, and is connected with the underground tank through an aqueous ammonia purification pump main inlet pipeline and the auxiliary pipeline of the underground tank; an underground tank pumping valve is arranged on the auxiliary pipeline of the underground tank; the residual aqueous ammonia tank is connected with the aqueous ammonia purification pump main inlet pipeline through auxiliary pipelines of the residual aqueous ammonia tank, and a residual aqueous ammonia tank emptying regulating valve is arranged on the auxiliary pipelines of the residual aqueous ammonia tank; and the circulating aqueous ammonia intermediate tank is connected with the aqueous ammonia purification pump main inlet pipeline through auxiliary pipelines of the circulating aqueous ammonia intermediate tank, and a circulating aqueous ammonia intermediate tank emptying regulating valve is arranged on the aqueous ammonia purification pump main inlet pipeline. The oil removal efficiency of the residual aqueous ammonia tank is improved; overswelling of the underground tank is prevented; and the device can avoid frequent regulation of the quantity of aqueous ammonia in an air floatation tar remover, so that the air floatation tar remover can keep running stably.
Description
Technical field
The utility model relates to a kind of coke oven gas purification blasting condensation system remained ammonia refining plant.
Background technology
At present, in coke oven gas purification blasting condensation system, adopt the remained ammonia refining plant.The operation scheme and the structure of existing apparatus are: the air supporting of remained ammonia process is except that the remained ammonia groove that enters into three parallel connections after the oil removing of tar device, the remained ammonia pump send ammonia still to carry out ammonia still process the ammoniacal liquor of three remained ammonia grooves, a spot of tar carries out natural subsidence and increases gradually in the remained ammonia groove, the sedimentary tar of trench bottom enters into sloptank by blow-down pipe, the tar of three cyclic ammonia water medial launder inside deposition also enters into sloptank by blow-down pipe simultaneously, pumps to mechanizeding ammonia clarifying groove by a submerged pump.
The problem that said apparatus exists is: the tar of remained ammonia groove and cyclic ammonia water groove inside deposition can't enter into sloptank in a large number, accumulate tar in a large number in time one elongated slot, be very easy to stop up ammonia still, if strengthen the emptying ammonia vol of remained ammonia groove and circulating water channel, by submerged pump ammoniacal liquor is delivered to mechanizeding ammonia clarifying groove again, the very bad control of sloptank liquid level is easy to emit groove, needs often guard's sloptank liquid level, and labor strength is big.
The utility model content
The utility model provides a kind of coke oven gas purification blasting condensation system remained ammonia refining plant, efficient, safe purification ammoniacal liquor.
The coke oven gas purification blasting condensation system remained ammonia refining plant that the utility model provides comprises: cyclic ammonia water medial launder and subsidiary pipeline valve, remained ammonia groove and subsidiary pipeline valve, sloptank and subsidiary pipeline, it is characterized in that an ammoniacal liquor self-fractionating pump being installed in position near sloptank, by ammoniacal liquor self-fractionating pump inlet total pipeline, the sloptank subsidiary pipeline is connected with sloptank, establish on the sloptank subsidiary pipeline and take out the sloptank valve, the remained ammonia groove is connected with ammoniacal liquor self-fractionating pump inlet total pipeline by subsidiary pipeline, and on subsidiary pipeline, establish a remained ammonia groove emptying regulated valve, the cyclic ammonia water medial launder is connected with ammoniacal liquor self-fractionating pump inlet total pipeline by subsidiary pipeline, and establishes a cyclic ammonia water groove medial launder emptying regulated valve on ammoniacal liquor self-fractionating pump inlet total pipeline.
The utility model is by improving existing apparatus, and the beneficial effect that is produced is as follows:
1. directly link to each other with cyclic ammonia water groove blow-down pipe because of ammoniacal liquor self-fractionating pump inlet with the remained ammonia groove, can increase the ammonia vol of remained ammonia groove and the emptying of cyclic ammonia water medial launder, the tar overwhelming majority of accumulating in the groove is sent back to mechanizeding ammonia clarifying groove, can improve the oil removal efficiency of remained ammonia groove.
2. because of blow-down pipe directly inserts on the inlet of ammoniacal liquor self-fractionating pump, do not enter sloptank, become positive pressure pump, do not exist interim pump not go up the situation of amount, even the ammoniacal liquor self-fractionating pump needn't worry that also sloptank emits groove when having a power failure by original negative pressure pump.
3. by regulating the valve that ammoniacal liquor self-fractionating pump inlet leaves surplus ammonia vessel and cyclic ammonia water medial launder, can adjust the liquid level of remained ammonia groove, avoid often adjusting the ammonia vol that air supporting removes the tar device, it is stable to keep air supporting to remove the tar device.
4. the ammoniacal liquor self-fractionating pump can be used as the spare unit of submerged pump, and sloptank emits groove when preventing the submerged pump maintenance.
Description of drawings
Fig. 1 is a coke oven gas purification blasting condensation system remained ammonia refining plant structural representation.
Embodiment
As shown in Figure 1, coke oven gas purification blasting condensation system remained ammonia refining plant comprises: cyclic ammonia water medial launder 1 and subsidiary pipeline valve, remained ammonia groove 2 and subsidiary pipeline valve, sloptank 6 and subsidiary pipeline, it is characterized in that an ammoniacal liquor self-fractionating pump 4 being installed in position near sloptank 6, by ammoniacal liquor self-fractionating pump inlet total pipeline 8, the sloptank subsidiary pipeline is connected with sloptank 6, establish on the sloptank subsidiary pipeline and take out sloptank valve 5, remained ammonia groove 2 is connected with ammoniacal liquor self-fractionating pump inlet total pipeline 8 by subsidiary pipeline, and on subsidiary pipeline, establish a remained ammonia groove emptying regulated valve 7, cyclic ammonia water medial launder 1 is connected with ammoniacal liquor self-fractionating pump inlet total pipeline 8 by subsidiary pipeline, and establishes a cyclic ammonia water groove medial launder emptying regulated valve 3 on ammoniacal liquor self-fractionating pump inlet total pipeline 8.
Ammoniacal liquor self-fractionating pump flow Q=15-50m
3/ h, the remained ammonia groove is to the pipeline of ammoniacal liquor self-fractionating pump; The cyclic ammonia water medial launder is to the pipeline of ammoniacal liquor self-fractionating pump; Ammoniacal liquor self-fractionating pump inlet duct is to the pipeline of sloptank, and its diameter is 50-125mm.Ammoniacal liquor self-fractionating pump continuous operation extracts the ammonia water and tar oil of remained ammonia groove and cyclic ammonia water groove inside deposition, is sent to mechanizeding ammonia clarifying groove.
Claims (2)
1. a coke oven gas purification blasting condensation system remained ammonia refining plant comprises: cyclic ammonia water medial launder and subsidiary pipeline valve, remained ammonia groove and subsidiary pipeline valve, sloptank and subsidiary pipeline, it is characterized in that an ammoniacal liquor self-fractionating pump being installed in position near sloptank, by ammoniacal liquor self-fractionating pump inlet total pipeline, the sloptank subsidiary pipeline is connected with sloptank, establish on the sloptank subsidiary pipeline and take out the sloptank valve, the remained ammonia groove is connected with ammoniacal liquor self-fractionating pump inlet total pipeline by subsidiary pipeline, and on subsidiary pipeline, establish a remained ammonia groove emptying regulated valve, the cyclic ammonia water medial launder is connected with ammoniacal liquor self-fractionating pump inlet total pipeline by subsidiary pipeline, and establishes a cyclic ammonia water groove medial launder emptying regulated valve on ammoniacal liquor self-fractionating pump inlet total pipeline.
2. coke oven gas purification blasting condensation according to claim 1 system remained ammonia refining plant is characterized in that ammoniacal liquor self-fractionating pump flow Q=15-50m wherein
3/ h, the remained ammonia groove is to the pipeline of ammoniacal liquor self-fractionating pump; The cyclic ammonia water medial launder is to the pipeline of ammoniacal liquor self-fractionating pump; Ammoniacal liquor self-fractionating pump inlet duct is to the pipeline of sloptank, and its diameter is 50-125mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201253447U CN202046909U (en) | 2011-04-25 | 2011-04-25 | Residual aqueous ammonia purification device of blast condensation system for coke oven gas purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201253447U CN202046909U (en) | 2011-04-25 | 2011-04-25 | Residual aqueous ammonia purification device of blast condensation system for coke oven gas purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202046909U true CN202046909U (en) | 2011-11-23 |
Family
ID=44987227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201253447U Expired - Fee Related CN202046909U (en) | 2011-04-25 | 2011-04-25 | Residual aqueous ammonia purification device of blast condensation system for coke oven gas purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202046909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408182A (en) * | 2013-08-23 | 2013-11-27 | 济钢集团有限公司 | Process for deoiling residual ammonia water |
-
2011
- 2011-04-25 CN CN2011201253447U patent/CN202046909U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408182A (en) * | 2013-08-23 | 2013-11-27 | 济钢集团有限公司 | Process for deoiling residual ammonia water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20120425 |