CN103496796A - Oil extraction and slag removal method and system for vertical tar-ammonia water separating process - Google Patents
Oil extraction and slag removal method and system for vertical tar-ammonia water separating process Download PDFInfo
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- CN103496796A CN103496796A CN201310396198.5A CN201310396198A CN103496796A CN 103496796 A CN103496796 A CN 103496796A CN 201310396198 A CN201310396198 A CN 201310396198A CN 103496796 A CN103496796 A CN 103496796A
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Abstract
The invention provides an oil extraction and slag removal method and system for a vertical tar-ammonia water separating process. The system comprises a mechanical slag scrapping tank, a tar-ammonia water separating tank used for receiving a mixture of tar, ammonia water and small-granule tar slag obtained in primary separation, a tar slag pump used for extracting the small-granule tar slag and the tar at the bottom of the tar-ammonia water separating tank, a secondary slag removal apparatus used for receiving the small-granule tar slag and the tar extracted from the bottom of the tar-ammonia water separating tank through the tar slag pump and carrying out secondary separation on the small-granule tar slag and the tar, a tar slag bucket used for receiving large granule tar slag obtained in primary separation and small-granule tar slag obtained in secondary separation and a tar intermediate tank used for receiving tar discharged from the secondary slag removal apparatus and having undergone secondary separation. The system has the advantages of convenience in extraction of the tar, good tar slag removal effects and capacity of thorough discharge of the small-granule tar slag from the system, so blockage of the system is avoided and production of the system is continuous and stable.
Description
Technical field
The present invention relates to separation method and system, particularly relate to the de-slag method and system of a kind of vertical tar ammonia separating technology oil recovery.
Background technology
Because vertical tar ammonia separating technology has, the separating device volume is large, the residence time is long and the characteristics such as good separating effect, so replaced gradually traditional mechanical settling tank technique in coal tar enterprise.Specifically, in vertical tar ammonia separating technology, from the mixture of tar, ammoniacal liquor and the coke tar refuse of coke oven, at first enter the mechanize dreg scraping trough, in the slag grain is scraped in mechanize, the macrobead coke tar refuse is carried out to machinery and remove.Then, tar, ammoniacal liquor and small-particle coke tar refuse enter standing separation in the tar ammonia separator tank, and the small-particle coke tar refuse is deposited on tar ammonia separator tank bottom, use the tar pulp pump that its extraction is returned to the mechanize dreg scraping trough; Tar is positioned at tar ammonia separator tank middle part, utilizes the static pressure in the tar ammonia separator tank, by the flow string force feed to the tar medial launder; The ammoniacal liquor flowing full on tar ammonia separator tank top enters oil-circulating ammonia water tank, delivers to coke oven by the extraction of cyclic ammonia water pump effuser is sprayed.
Yet, because mechanize dreg scraping trough volume is little, cause the residence time not and inferior separating effect.And, be subject to the structural limitations of mechanize dreg scraping trough, the mechanize dreg scraping trough can only remove the macrobead coke tar refuse of diameter more than 8mm, can enter the tar ammonia separator tank with tar and ammonia water mixture and carry out standing separation and diameter is less than the small-particle tar of 8mm, isolated small-particle coke tar refuse is retrieval system again, can't thoroughly discharge outside system vicious cycle in system, finally cause tar extraction pipe blocked, affect the steady running of system.
Summary of the invention
The present invention, for the shortcoming that overcomes above-mentioned prior art existence proposes, the invention provides the de-slag method and system of a kind of vertical tar ammonia separating technology oil recovery.
In order to realize one object of the present invention, provide a kind of vertical tar ammonia separating technology to recover the oil and taken off the slag method, described method comprises: the mixture of tar, ammoniacal liquor and coke tar refuse is separated for the first time by the mechanize dreg scraping trough; By first isolated macrobead coke tar refuse input tar slag bucket, simultaneously by first isolated tar, ammoniacal liquor and small-particle coke tar refuse mixture input tar ammonia separator tank; By the tar ammonia separator tank, tar, ammoniacal liquor and small-particle coke tar refuse mixture are carried out to standing separation, the top of tar ammonia separator tank is ammoniacal liquor, and the bottom of tar ammonia separator tank is small-particle coke tar refuse and tar; Utilize the tar pulp pump that the small-particle coke tar refuse of tar ammonia separator tank bottom and tar extraction are delivered to the de-slag device of secondary; Take off the slag device by secondary small-particle coke tar refuse and tar are carried out to secondary separation; The scrapper conveyor that small-particle coke tar refuse after secondary separation is taken off to the slag device by secondary scrapes, and is expelled to the tar slag bucket; Tar after secondary separation is expelled to the tar medial launder; The ammoniacal liquor overflow on the de-slag device of secondary top is entered to the mechanize dreg scraping trough.
According to the present invention, after the scrapper conveyor that the small-particle coke tar refuse after secondary separation is taken off to the slag device by secondary scrapes, the coke tar refuse relief outlet from being arranged on the de-slag device of secondary is expelled to the tar slag bucket.
According to the present invention, the tar overflow port by the tar after secondary separation from being arranged on the de-slag device of secondary is expelled to the tar medial launder.
According to the present invention, the ammoniacal liquor overflow port overflow by the ammoniacal liquor on the de-slag device of secondary top from being arranged on the de-slag device of secondary enters the mechanize dreg scraping trough.
In order to realize another object of the present invention, provide a kind of vertical tar ammonia separating technology to recover the oil and taken off slag system, described system comprises: the mechanize dreg scraping trough, separate the mixture of tar, ammoniacal liquor and coke tar refuse for the first time; The tar ammonia separator tank, receive first isolated tar, ammoniacal liquor and small-particle coke tar refuse mixture; The tar pulp pump, extract the small-particle coke tar refuse of tar ammonia separator tank bottom and tar out; Secondary takes off the slag device, receive small-particle coke tar refuse and the tar of the tar ammonia separator tank bottom of extracting out by the tar pulp pump, and small-particle coke tar refuse and tar are carried out to secondary separation, in the de-slag device of described secondary, be provided with the scrapper conveyor for the small-particle coke tar refuse is scraped; The tar slag bucket, receive from the first isolated macrobead coke tar refuse of mechanize dreg scraping trough with by secondary and take off the small-particle coke tar refuse after secondary separation that the scrapper conveyor of slag device scrapes; The tar medial launder, receive the tar after secondary separation of discharging from the de-slag device of secondary; The mechanize dreg scraping trough is connected with the tar ammonia separator tank by pipeline, and the tar ammonia separator tank is connected by the de-slag device of tar pulp pump and secondary, and the absolute altitude of the de-slag device of secondary is higher than the absolute altitude of mechanize dreg scraping trough.
According to the present invention, the de-slag device of described secondary is provided with the coke tar refuse relief outlet, and the small-particle coke tar refuse after secondary separation is expelled to the tar slag bucket.
According to the present invention, the de-slag device of described secondary is provided with the tar overflow port, and the tar after secondary separation is expelled to the tar medial launder.
According to the present invention, the de-slag device of described secondary is provided with the ammoniacal liquor overflow port, and the ammoniacal liquor overflow on the de-slag device of secondary top is entered to the mechanize dreg scraping trough.
According to the present invention, the absolute altitude of described ammoniacal liquor overflow port is higher than the absolute altitude of tar overflow port.
According to the present invention, described coke tar refuse relief outlet is connected with the tar slag bucket by pipeline, and described tar overflow port is connected with the tar medial launder by pipeline, and described ammoniacal liquor overflow port is connected with the mechanize dreg scraping trough by pipeline.
Therefore, vertical tar ammonia separating technology according to the present invention recovers the oil and takes off the slag method, removal effect to the small-particle coke tar refuse is good, even in the situation that there is no supporting installation ultracentrifuge, also can make the small-particle coke tar refuse thoroughly discharge, avoid system jams, and be conducive to the control that the existing flowing water of tar divides, facilitate the tar extraction, the production of tar ammonia separation system is able to continuously, stablizes.
In addition, vertical tar ammonia separating technology according to the present invention recovers the oil and takes off slag system, practical is strong, the tar extraction is convenient, the coke tar refuse removal effect is good, even in the situation that there is no supporting installation ultracentrifuge, also can make the small-particle coke tar refuse thoroughly discharge, avoided the problem of system jams, the production of system has been able to continuously, stablizes.
The accompanying drawing explanation
Fig. 1 shows the schematic diagram according to the de-slag system of vertical tar ammonia separating technology oil recovery of exemplary embodiment of the present invention.
Embodiment
The invention provides the de-slag method and system of a kind of vertical tar ammonia separating technology oil recovery.
Describe below with reference to accompanying drawings the de-slag system of vertical according to an exemplary embodiment of the present invention tar ammonia separating technology oil recovery in detail.
Fig. 1 shows the schematic diagram according to the de-slag system of vertical tar ammonia separating technology oil recovery of exemplary embodiment of the present invention.
As shown in Figure 1, according to the vertical tar ammonia separating technology according to the present invention de-slag system that recovers the oil, comprise: mechanize dreg scraping trough 1, will separate for the first time from the mixture of tar, ammoniacal liquor and the coke tar refuse of coke oven; Tar ammonia separator tank 2, receive first isolated tar, ammoniacal liquor and small-particle coke tar refuse mixture; Tar pulp pump 6 is extracted the small-particle coke tar refuse of tar ammonia separator tank bottom out together with tar; Secondary takes off slag device 3, receive small-particle coke tar refuse and the tar extracted out from tar ammonia separator tank bottom by the tar pulp pump, and small-particle coke tar refuse and tar are carried out to secondary separation, in the de-slag device 3 of secondary, be provided with the scrapper conveyor for the small-particle coke tar refuse is scraped; Tar slag bucket 5, receive from the first isolated macrobead coke tar refuse of mechanize dreg scraping trough with by secondary and take off the small-particle coke tar refuse after secondary separation that the scrapper conveyor of slag device 3 scrapes; Tar medial launder 4, receive the tar after secondary separation of discharging from the de-slag device of secondary.Wherein, mechanize dreg scraping trough 1 is connected with tar ammonia separator tank 2 by pipeline; Tar ammonia separator tank 2 is connected by the de-slag device 3 of tar pulp pump 6 and secondary; The absolute altitude of the de-slag device 3 of secondary is higher than the absolute altitude of mechanize dreg scraping trough 1, thus the ammoniacal liquor that can guarantee the de-slag device of secondary 3 tops smoothly overflow enter mechanize dreg scraping trough 1.
In addition, the de-slag device 3 of secondary is provided with coke tar refuse relief outlet 7, and the small-particle coke tar refuse after secondary separation is expelled to tar slag bucket 5; The de-slag device 3 of secondary also is provided with tar overflow port 8, and the tar after secondary separation is expelled to tar medial launder 4; The de-slag device 3 of secondary also is provided with ammoniacal liquor overflow port 9, and the ammoniacal liquor overflow on the de-slag device of secondary top is entered to mechanize dreg scraping trough 1.Wherein, the absolute altitude of ammoniacal liquor overflow port 9 is higher than the absolute altitude of tar overflow port 8; Coke tar refuse relief outlet 7 is connected with tar slag bucket 5 by pipeline; Tar overflow port 8 is connected with tar medial launder 4 by pipeline; Ammoniacal liquor overflow port 9 is connected with mechanize dreg scraping trough 1 by pipeline.
According to the present invention, different from existing tar ammonia separation system, increased the de-slag device of the high secondary of putting, so that small-particle coke tar refuse and tar carry out secondary separation, increased the residence time of standing separation, improved separating effect.And, by the de-slag device of secondary, scrapper conveyor and coke tar refuse relief outlet being set, even when there is no supporting installation ultracentrifuge, also can make the small-particle coke tar refuse discharge, thereby avoid the problem of system jams.In addition, also by the de-slag device of secondary, the tar overflow port being set, facilitate the tar extraction.
In addition, " the macrobead coke tar refuse " that in the present invention, relate to is commonly referred to as the coke tar refuse of diameter more than 8mm, and " small-particle coke tar refuse " generally refers to the coke tar refuse that diameter is less than 8mm.
Below, describe the de-slag method of vertical according to an exemplary embodiment of the present invention tar ammonia separating technology oil recovery in detail with reference to accompanying drawing.
With reference to Fig. 1, the vertical according to an exemplary embodiment of the present invention tar ammonia separating technology de-slag method of recovering the oil comprises: will by mechanize dreg scraping trough 1, separate for the first time from the mixture of tar, ammoniacal liquor and the coke tar refuse of coke oven; By first isolated macrobead coke tar refuse input tar slag bucket 5, simultaneously by first isolated tar, ammoniacal liquor and small-particle coke tar refuse mixture input tar ammonia separator tank 2; Carry out standing separation by 2 pairs of tar of tar ammonia separator tank, ammoniacal liquor and small-particle coke tar refuse mixture, the top of tar ammonia separator tank 2 is ammoniacal liquor, and the bottom of tar ammonia separator tank 2 is small-particle coke tar refuse and tar; Utilize tar pulp pump 6 that the small-particle coke tar refuse of tar ammonia separator tank 2 bottoms is extracted out and delivered to absolute altitude higher than the de-slag device 3 of the secondary of mechanize dreg scraping trough absolute altitude together with tar; Take off 3 pairs of small-particle coke tar refuse of slag device and tar carries out secondary separation by secondary; The scrapper conveyor that small-particle coke tar refuse after secondary separation is taken off to slag device 3 by secondary scrapes, and is expelled to tar slag bucket 5; Tar after secondary separation is expelled to tar medial launder 4; The ammoniacal liquor overflow on the de-slag device of secondary 3 tops is entered to mechanize dreg scraping trough 1.
In addition, after the scrapper conveyor that the small-particle coke tar refuse after secondary separation is taken off to slag device 3 by secondary scrapes, the coke tar refuse relief outlet 7 from being arranged on the de-slag device 3 of secondary is expelled to tar slag bucket 5; Tar overflow port 8 by the tar after secondary separation from being arranged on the de-slag device 3 of secondary is expelled to tar medial launder 4; Ammoniacal liquor overflow port 9 overflows by the ammoniacal liquor on the de-slag device of secondary 3 tops from being arranged on the de-slag device of secondary enter mechanize dreg scraping trough 1.
According to the present invention, different from existing tar ammonia separation method is, by the tar ammonia separator tank to tar, ammoniacal liquor and small-particle coke tar refuse mixture after static the separation, utilize the tar pulp pump that the small-particle coke tar refuse of tar ammonia separator tank bottom and tar extraction are delivered to the de-slag device of secondary that height is put, take off the slag device so that small-particle coke tar refuse and tar secondary separation by secondary, increase the residence time of standing separation, improved separating effect.And, after the small-particle coke tar refuse is scraped by the scrapper conveyor of the de-slag chute of secondary, coke tar refuse relief outlet from being arranged on the de-slag device of secondary, even in the situation that there is no supporting installation ultracentrifuge, also can make the small-particle coke tar refuse discharge, thereby avoid the small-particle coke tar refuse to return to system and block system.In addition, the tar after secondary separation is expelled to the tar medial launder from the tar overflow port of secondary separation device, thereby has facilitated the extraction of tar.
Therefore, vertical tar ammonia separating technology according to the present invention recovers the oil and takes off the slag method, the small-particle coke tar refuse thoroughly can be discharged, removal effect to the small-particle coke tar refuse is good, and be conducive to the control that the existing flowing water of tar divides, facilitate the tar extraction, avoid system jams, the production of tar ammonia separation system is able to continuously, stablizes.
In addition, vertical tar ammonia separating technology according to the present invention recovers the oil and takes off slag system, and practical is strong, the tar extraction is convenient, and the coke tar refuse removal effect is good, the small-particle coke tar refuse thoroughly can be discharged to system, avoided the problem of system jams, the production of system has been able to continuously, stablizes.
Although above the present invention has been done to detailed explanation in conjunction with the embodiments; but those skilled in the art can understand, under the prerequisite that does not break away from aim of the present invention; in the claim protection domain, can also be changed or change etc. above-described embodiment.
Claims (10)
1. a vertical tar ammonia separating technology recovers the oil and takes off the slag method, and described method comprises:
The mixture of tar, ammoniacal liquor and coke tar refuse is separated for the first time by the mechanize dreg scraping trough;
By first isolated macrobead coke tar refuse input tar slag bucket, simultaneously by first isolated tar, ammoniacal liquor and small-particle coke tar refuse mixture input tar ammonia separator tank;
By the tar ammonia separator tank, tar, ammoniacal liquor and small-particle coke tar refuse mixture are carried out to standing separation, the top of tar ammonia separator tank is ammoniacal liquor, and the bottom of tar ammonia separator tank is small-particle coke tar refuse and tar;
Utilize the tar pulp pump that the small-particle coke tar refuse of tar ammonia separator tank bottom and tar extraction are delivered to the de-slag device of secondary;
Take off the slag device by secondary small-particle coke tar refuse and tar are carried out to secondary separation;
The scrapper conveyor that small-particle coke tar refuse after secondary separation is taken off to the slag device by secondary scrapes, and is expelled to the tar slag bucket;
Tar after secondary separation is expelled to the tar medial launder;
The ammoniacal liquor overflow on the de-slag device of secondary top is entered to the mechanize dreg scraping trough.
2. vertical tar ammonia separating technology according to claim 1 recovers the oil and takes off the slag method, it is characterized in that, after the scrapper conveyor that small-particle coke tar refuse after secondary separation is taken off to the slag device by secondary scrapes, the coke tar refuse relief outlet from being arranged on the de-slag device of secondary is expelled to the tar slag bucket.
3. vertical tar ammonia separating technology according to claim 1 recovers the oil and takes off the slag method, it is characterized in that, the tar overflow port by the tar after secondary separation from being arranged on the de-slag device of secondary is expelled to the tar medial launder.
4. vertical tar ammonia separating technology according to claim 1 recovers the oil and takes off the slag method, it is characterized in that, the ammoniacal liquor overflow port overflow by the ammoniacal liquor on the de-slag device of secondary top from being arranged on the de-slag device of secondary enters the mechanize dreg scraping trough.
5. a vertical tar ammonia separating technology recovers the oil and takes off slag system, and described system comprises:
The mechanize dreg scraping trough, separate the mixture of tar, ammoniacal liquor and coke tar refuse for the first time;
The tar ammonia separator tank, receive first isolated tar, ammoniacal liquor and small-particle coke tar refuse mixture;
The tar pulp pump, extract the small-particle coke tar refuse of tar ammonia separator tank bottom and tar out;
Secondary takes off the slag device, receive small-particle coke tar refuse and the tar of the tar ammonia separator tank bottom of extracting out by the tar pulp pump, and small-particle coke tar refuse and tar are carried out to secondary separation, in the de-slag device of described secondary, be provided with the scrapper conveyor for the small-particle coke tar refuse is scraped;
The tar slag bucket, receive from the first isolated macrobead coke tar refuse of mechanize dreg scraping trough with by secondary and take off the small-particle coke tar refuse after secondary separation that the scrapper conveyor of slag device scrapes;
The tar medial launder, receive the tar after secondary separation of discharging from the de-slag device of secondary;
The mechanize dreg scraping trough is connected with the tar ammonia separator tank by pipeline, and the tar ammonia separator tank is connected by the de-slag device of tar pulp pump and secondary, and the absolute altitude of the de-slag device of secondary is higher than the absolute altitude of mechanize dreg scraping trough.
6. vertical tar ammonia separating technology according to claim 5 recovers the oil and takes off slag system, it is characterized in that, the de-slag device of described secondary is provided with the coke tar refuse relief outlet, and the small-particle coke tar refuse after secondary separation is expelled to the tar slag bucket.
7. vertical tar ammonia separating technology according to claim 6 recovers the oil and takes off slag system, it is characterized in that, the de-slag device of described secondary is provided with the tar overflow port, and the tar after secondary separation is expelled to the tar medial launder.
8. vertical tar ammonia separating technology according to claim 7 recovers the oil and takes off slag system, it is characterized in that, the de-slag device of described secondary is provided with the ammoniacal liquor overflow port, and the ammoniacal liquor overflow port on the de-slag device of secondary top is entered to the mechanize dreg scraping trough.
9. vertical tar ammonia separating technology according to claim 8 recovers the oil and takes off slag system, it is characterized in that, the absolute altitude of described ammoniacal liquor overflow port is higher than the absolute altitude of tar overflow port.
10. vertical tar ammonia separating technology according to claim 8 recovers the oil and takes off slag system, it is characterized in that, described coke tar refuse relief outlet is connected with the tar slag bucket by pipeline, described tar overflow port is connected with the tar medial launder by pipeline, and described ammoniacal liquor overflow port is connected with the mechanize dreg scraping trough by pipeline.
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Cited By (9)
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| CN104119940A (en) * | 2014-07-30 | 2014-10-29 | 攀钢集团西昌钢钒有限公司 | Acid tar recovery and treatment method |
| CN104888516A (en) * | 2015-06-26 | 2015-09-09 | 山东钢铁股份有限公司 | Tar slag separation recycling system |
| CN105381648A (en) * | 2015-12-19 | 2016-03-09 | 太原重工股份有限公司 | Tar ammonia separation system and tar ammonia separation method |
| CN105417629A (en) * | 2015-12-25 | 2016-03-23 | 新兴铸管股份有限公司 | Residual ammonia water oil-removal groove |
| CN107638721A (en) * | 2017-09-11 | 2018-01-30 | 芜湖新兴铸管有限责任公司 | tar slag separation method |
| CN111214849A (en) * | 2020-01-22 | 2020-06-02 | 临涣焦化股份有限公司 | Tar and ammonia water separation device and use method thereof |
| CN114653108A (en) * | 2022-04-15 | 2022-06-24 | 山东钢铁集团日照有限公司 | Separation process of coal coking tar residues |
| CN114850169A (en) * | 2022-04-15 | 2022-08-05 | 山东钢铁集团日照有限公司 | Method for reducing moisture content in tar residue |
| CN115155153A (en) * | 2022-07-25 | 2022-10-11 | 拜城县众泰煤焦化有限公司 | Tar residue crushing system for coking cold drum system and working method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104119940A (en) * | 2014-07-30 | 2014-10-29 | 攀钢集团西昌钢钒有限公司 | Acid tar recovery and treatment method |
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| CN105381648A (en) * | 2015-12-19 | 2016-03-09 | 太原重工股份有限公司 | Tar ammonia separation system and tar ammonia separation method |
| CN105417629A (en) * | 2015-12-25 | 2016-03-23 | 新兴铸管股份有限公司 | Residual ammonia water oil-removal groove |
| CN107638721A (en) * | 2017-09-11 | 2018-01-30 | 芜湖新兴铸管有限责任公司 | tar slag separation method |
| CN111214849A (en) * | 2020-01-22 | 2020-06-02 | 临涣焦化股份有限公司 | Tar and ammonia water separation device and use method thereof |
| CN114653108A (en) * | 2022-04-15 | 2022-06-24 | 山东钢铁集团日照有限公司 | Separation process of coal coking tar residues |
| CN114850169A (en) * | 2022-04-15 | 2022-08-05 | 山东钢铁集团日照有限公司 | Method for reducing moisture content in tar residue |
| CN115155153A (en) * | 2022-07-25 | 2022-10-11 | 拜城县众泰煤焦化有限公司 | Tar residue crushing system for coking cold drum system and working method thereof |
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