CN203307300U - Lower-segment replenisher pre-cooling device of cross-pipe primary cooler - Google Patents
Lower-segment replenisher pre-cooling device of cross-pipe primary cooler Download PDFInfo
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- CN203307300U CN203307300U CN2013202805966U CN201320280596U CN203307300U CN 203307300 U CN203307300 U CN 203307300U CN 2013202805966 U CN2013202805966 U CN 2013202805966U CN 201320280596 U CN201320280596 U CN 201320280596U CN 203307300 U CN203307300 U CN 203307300U
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- cooler
- replenisher
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model relates to a lower-segment replenisher pre-cooling device of a cross-pipe primary cooler. The lower-segment replenisher pre-cooling device comprises a replenisher cooler, a condensate tank, a condensate pump, a replenisher delivery line, a circulating water delivery line and a lower-segment flushing liquor delivery line, wherein the replenisher cooler is arranged outside the cross-pipe primary cooler; a hot medium inlet of the replenisher cooler is connected with the replenisher delivery line of a tar and ammonia water separating device; a hot medium outlet is connected with the condensate tank or the lower-segment flushing liquor delivery line through the replenisher delivery line. The lower-segment replenisher pre-cooling device has the advantages of being simple in process, economic in investment on equipment, low in operation cost, economic in energy source and the like. An added replenisher cooler is adopted, so that the purpose of reducing the temperature of the replenisher is achieved by utilizing small heat exchange area, and the investment on equipment is reduced. Low-temperature water is replaced by cheap circulating water to be taken as a cooling medium, so that the operation cost is reduced.
Description
Technical field
The utility model belongs to coke-oven gas cooling apparatus field, relates in particular to a kind of employing with the supplementary pre-cooled device of liquid of the transverse pipe initial cooler hypomere of disconnected tower tray.
Background technology
In process of coking, the raw gas temperature of overflowing through upcast from coke furnace carbonization chamber is 650～750 ℃, at first through bridge tube, enters effuser, and the cyclic ammonia water be sprayed is cooled to 80～85 ℃, then through primary cooler, gas temperature is down to 21～25 ℃.At this, most of steam, tar, naphthalene and solia particle (being mainly coal dust) contained in raw gas are separated, the corrosive mediums such as partial vulcanization hydrogen and prussic acid also are dissolved in phlegma, thereby can reduce obstruction and the corrosion of follow-up gas purification equipment and pipeline, and make coal gas obtain rough purification.
Present stage is mainly adopted horizontal water-tube primary cooler at coking industry, is divided into two sections or three sections water supply.Two sections water supply are that three sections water supply supply water at low temperature, recirculated water and heating water for water at low temperature and recirculated water; These techniques all need to adopt water at low temperature that primary cooler export coal gas is cooled to 21～25 ℃.For saving the water at low temperature consumption, horizontal water-tube primary cooler is generally established disconnected tower tray between recirculated water section and water at low temperature section, and the recirculated water section utilizes recirculated water that coal gas is cooled to 40 ℃ of left and right, and phlegma is drawn from disconnected tower tray top, does not enter the water at low temperature section.Due to the tar major part in coal gas in the condensation of recirculated water section, Cai naphthalene below 55 ℃ from coal gas, separating out, in order to remove the naphthalene be deposited on water at low temperature section heat transfer tube tube wall, need in water at low temperature section flushing liquor, supplement tar.
Present stage, the tar of 70～75 ℃ that main employing is next by the tar ammonia tripping device or tar and ammoniacal liquor or emulsion (tar ammonia mixture) directly were supplemented in primary cooler hypomere flushing liquor, to maintain the flushing liquor tar-concentration at coking industry.But after filling into supplementary liquid, the flushing liquor temperature raises, a large amount of extra heats enter primary cooler, thereby cause the increasing of primary cooler water at low temperature section heat interchanging area and the increase of water at low temperature consumption, make primary cooling process extremely uneconomical.
Summary of the invention
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide a kind of transverse pipe initial cooler hypomere and supplements the pre-cooled device of liquid, and this device can effectively reduce the consumption of new water, and save energy reduces running cost.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of transverse pipe initial cooler hypomere supplements the pre-cooled device of liquid, comprise and supplement liquid water cooler, condensation liquid bath, condensate pump, supplementary liquid transfer line, recirculated water transfer line, hypomere flushing liquor transfer line, described supplementary liquid water cooler is arranged on the transverse pipe initial cooler outside, supplement liquid water cooler thermal medium entrance and be connected with the supplementary liquid transfer line of tar ammonia tripping device, the thermal medium outlet is connected with the condensation liquid bath through supplementing the liquid transfer line.
Described supplementary liquid transfer line is connected with hypomere flushing liquor transfer line.
The structure of described supplementary liquid water cooler is spiral plate type, shell-and-tube or board-like.
Compared with prior art, the beneficial effects of the utility model are:
Low equipment investment, running cost is low, the advantages such as save energy:
1) low equipment investment: adopt additional supplementary liquid water cooler, its heat exchange efficiency is higher than horizontal water-tube primary cooler, has realized reducing the function of supplementing liquid temp with less heat interchanging area, has reduced the heat interchanging area of transverse pipe initial cooler water at low temperature section, and the equipment gross investment reduces.
2) running cost is low: adopt cheap recirculated water to substitute water at low temperature as heat-eliminating medium, reduced running cost.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is described in detail, but should be noted that enforcement of the present utility model is not limited to following embodiment.
See Fig. 1, a kind of transverse pipe initial cooler hypomere supplements the pre-cooled device of liquid, comprise and supplement liquid water cooler, condensation liquid bath, condensate pump, supplementary liquid transfer line, recirculated water transfer line, hypomere flushing liquor transfer line, described supplementary liquid water cooler is arranged on the transverse pipe initial cooler outside, supplement liquid water cooler thermal medium entrance and be connected with the supplementary liquid transfer line 1 of tar ammonia tripping device, the thermal medium outlet is connected with the condensation liquid bath through supplementing liquid transfer line 3.
Described supplementary liquid transfer line 3 is connected with hypomere flushing liquor transfer line 5.
The structure of described supplementary liquid water cooler is spiral plate type, shell-and-tube or board-like.
By the tar ammonia tripping device, carried the supplementary liquid of coming, at first liquid transfer line 1 is sent into supplementary liquid water cooler and recirculated water carries out heat exchange through supplementing, then through supplementing liquid transfer line 3, send into condensation liquid bath or hypomere flushing liquor transfer line 5, mix with the hypomere phlegma.Mixed hypomere flushing liquor is delivered to transverse pipe initial cooler hypomere spray line through hypomere flushing liquor pipeline 5 and is sprayed.
Described supplementary liquid is delivered to supplementary liquid water cooler through supplementing liquid pipeline 1, recirculated water 2 is delivered to supplementary liquid water cooler by the road, supplementing the outlet of liquid water cooler thermal medium is connected with condensation liquid bath entrance through supplementing liquid transfer line 3, the outlet of condensation liquid bath is connected with transverse pipe initial cooler hypomere flushing liquor pipe with condensate pump through hypomere flushing liquor transfer line 5, or the outlet of supplementary liquid water cooler thermal medium directly is connected with hypomere flushing liquor pipeline 5 through supplementing liquid transfer line 3.
With the existing liquid that will supplement, directly add the transverse pipe initial cooler hypomere to spray to compare, the utlity model has that technique is simple, the remarkable advantages such as low equipment investment, running cost are low, save energy:
1) technique is new and simple: the common employing of mode that the disconnected tower tray horizontal water-tube primary cooler hypomere emulsion of domestic and international existing band supplements will supplement the hypomere that liquid directly joins transverse pipe initial cooler and spray.The utility model is that supplementary liquid is passed through to additional supplementary liquid water cooler, adopts recirculated water to carry out supplementary liquid pre-cooled, has reduced supplementary liquid temp, and then has mixed with the hypomere phlegma, delivers to the transverse pipe initial cooler hypomere and sprays.New technology, simple.
2) low equipment investment: the utility model adopts additional supplementary liquid water cooler, its heat exchange efficiency is higher than transverse pipe initial cooler, with less heat interchanging area, realized reducing the function of supplementing liquid temp, reduced the heat interchanging area of transverse pipe initial cooler water at low temperature section, the equipment gross investment reduces.To process coke-oven gas 82500Nm
3The coke-oven plant of/h is example, supplements liquid 20.0t/h, needs heat exchanger area 68m
2Two of spiral-plate heat exchangers (open standby), expense is 4.42 ten thousand yuan/platform; Transverse pipe initial cooler water at low temperature section heat interchanging area reduces by 1506 m
2(two open one standby), expense reduces 67.77 ten thousand yuan, so the equipment gross investment can be saved 58.93 ten thousand yuan.
3) running cost is low: the utility model adopts cheap recirculated water to substitute water at low temperature as heat-eliminating medium, has reduced running cost.To process coke-oven gas 82500 Nm
3The coke-oven plant of/h is example, and directly will supplement liquid and add the transverse pipe initial cooler spray pattern to compare, and the utility model consumes recirculated water 51.2 ten thousand t/, saves water at low temperature 95.5 ten thousand t/, comprehensively relatively can save 170.6 ten thousand yuan/year of working costs.
Claims (3)
1. a transverse pipe initial cooler hypomere supplements the pre-cooled device of liquid, comprise and supplement liquid water cooler, condensation liquid bath, condensate pump, supplementary liquid transfer line, recirculated water transfer line, hypomere flushing liquor transfer line, it is characterized in that, described supplementary liquid water cooler is arranged on the transverse pipe initial cooler outside, supplement liquid water cooler thermal medium entrance and be connected with the supplementary liquid transfer line of tar ammonia tripping device, the thermal medium outlet is connected with the condensation liquid bath through supplementing the liquid transfer line.
2. a kind of transverse pipe initial cooler hypomere according to claim 1 supplements the pre-cooled device of liquid, it is characterized in that, described supplementary liquid transfer line is connected with hypomere flushing liquor transfer line.
3. a kind of transverse pipe initial cooler hypomere according to claim 1 supplements the pre-cooled device of liquid, it is characterized in that, the structure of described supplementary liquid water cooler is spiral plate type, shell-and-tube or board-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202805966U CN203307300U (en) | 2013-05-21 | 2013-05-21 | Lower-segment replenisher pre-cooling device of cross-pipe primary cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202805966U CN203307300U (en) | 2013-05-21 | 2013-05-21 | Lower-segment replenisher pre-cooling device of cross-pipe primary cooler |
Publications (1)
| Publication Number | Publication Date |
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| CN203307300U true CN203307300U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202805966U Expired - Lifetime CN203307300U (en) | 2013-05-21 | 2013-05-21 | Lower-segment replenisher pre-cooling device of cross-pipe primary cooler |
Country Status (1)
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| CN (1) | CN203307300U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006937A (en) * | 2014-06-06 | 2014-08-27 | 甘肃酒钢集团宏兴钢铁股份有限公司 | One-off detection method for multiple leakage points of horizontal tube cooler |
| CN104006938A (en) * | 2014-06-06 | 2014-08-27 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Detection method for leakage points of horizontal tube cooler |
-
2013
- 2013-05-21 CN CN2013202805966U patent/CN203307300U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006937A (en) * | 2014-06-06 | 2014-08-27 | 甘肃酒钢集团宏兴钢铁股份有限公司 | One-off detection method for multiple leakage points of horizontal tube cooler |
| CN104006938A (en) * | 2014-06-06 | 2014-08-27 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Detection method for leakage points of horizontal tube cooler |
| CN104006937B (en) * | 2014-06-06 | 2016-08-17 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of disposable method for detecting of horizontal water-tube cooler many places leakage point |
| CN104006938B (en) * | 2014-06-06 | 2016-08-17 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of method for detecting of horizontal water-tube cooler leakage point |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180907 Address after: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee after: ACRE COKING & REFRACTORY ENGINEERING CONSULTING CORPORATION (DALIAN), MCC Address before: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee before: ACRE COKING & REFRACTORY ENGINEERING CONSULTING CORPORATION, MCC |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |
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| CX01 | Expiry of patent term |