CN107974263A - A kind of tar purification of succinct high-efficiency environment friendly of safety and its fixed-end forces technique - Google Patents
A kind of tar purification of succinct high-efficiency environment friendly of safety and its fixed-end forces technique Download PDFInfo
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- CN107974263A CN107974263A CN201711375626.0A CN201711375626A CN107974263A CN 107974263 A CN107974263 A CN 107974263A CN 201711375626 A CN201711375626 A CN 201711375626A CN 107974263 A CN107974263 A CN 107974263A
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- tar
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
- C10K1/046—Reducing the tar content
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- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Working-Up Tar And Pitch (AREA)
- Industrial Gases (AREA)
Abstract
A kind of tar purification of succinct high-efficiency environment friendly of safety and its fixed-end forces technique, the present invention relates to coking production technical field；The gas outlet of coke oven stove group is connected with the sprinkling of coke oven gas collecting tube, the outlet of coke oven gas collecting tube sprinkling is connected with gas-liquid separator, the coagulant liquid outlet of gas-liquid separator is connected with preseparator, the tar slag outlet of preseparator is connected with tar press pump, the discharge port of tar press pump is connected with preseparator, the liquid outlet of preseparator is connected with tar and ammonia water separation hopper at the same time, and the oil outlet of tar and ammonia water separation hopper is connected with tar storage tank；The discharge port of tar slag delivery pump is connected with coke oven stove group；The water outlet of the tar and ammonia water separation hopper is connected with the sprinkling of coke oven gas collecting tube.The problems such as solving the problem of traditional artificial scarfing cinder in tar tank bottom, and the dregs of fat leakage pollution problem on ground can be caused during traditional tar slag mode of movement and reduces artificial, vehicle the loss in this flow.
Description
Technical field
The present invention relates to coking production technical field, and in particular to a kind of purification of the tar of succinct high-efficiency environment friendly of safety and its
Fixed-end forces technique.
Background technology
In the production process of coke-oven plant's coking, the high temperature coke oven coal gas of production is high under conditions of gas collecting tube or primary cooler
The organic compound of boiling point is condensed to form coal tar.At the same time, the coal dust carried secretly in coal gas, semicoke etc. are also mingled in coal tar
In oil, the agglomerate to differ in size is formed, these agglomerates are known as tar slag.Coke-oven plant can all produce substantial amounts of tar slag every year, from
The tar slag of mechanization dreg scraping trough discharge accounts for major part, is subsequently used for coal blending.
There are problems with for coke-oven plant of the country at present：Most of is all mechanical settling tank technique, tar slag granularity compared with
Greatly, it is not homogeneous, influence the quality of coal blending；Tar slag of the tar separated containing part, tar moisture content is high, and quality of coke tar reaches
Less than standard；Tar recovery utilization rate is low；What the chemical industry such as the working environment of open type, ammonium hydroxide, tar material produced has poison gas to have
Evil taste it is big, dust it is seriously polluted.Tar slag clears up tar slag or with forklift typically by artificial mode to storage tank
Mode transports tar slag deallocation coal yard.In short, traditional mode, the bad environments of whole coke-oven plant, it is residual that ground has tar slag
Stay, not environmentally, it would be highly desirable to improve.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of simple in structure, design rationally, make
It is safe and environment-friendly, reliable with the tar purification of the succinct high-efficiency environment friendly of convenient safety and its fixed-end forces technique；Solves tradition
The artificial scarfing cinder in tar tank bottom problem, and can be caused during traditional tar slag mode of movement ground the dregs of fat leak it is dirty
Dye problem and the problems such as reduce artificial, vehicle the loss in this flow；The tar oil product of purification out is clean, and tar contains
Water rate adds deeply below 2% without that directly can be directly used in follow-up tar as finished product material to oil product progress purified treatment again
Work.
To achieve the above object, the technical solution adopted by the present invention is：It includes coke oven stove group, coke oven gas collecting tube sprays,
Tar and ammonia water separation hopper, preseparator, tar storage tank, gas-liquid separator, tar slag delivery pump, tar press pump, three-phase decanter
Centrifuge, centrifuge feed pump；The gas outlet of coke oven stove group is connected with the sprinkling of coke oven gas collecting tube, the outlet of coke oven gas collecting tube sprinkling
Be connected with gas-liquid separator, the outlet of the coagulant liquid of gas-liquid separator be connected with preseparator, the tar slag of preseparator export and
Tar press pump connects, and the discharge port of tar press pump is connected with preseparator, while the liquid outlet of preseparator and tar ammonia
Water separating tank connects, and the oil outlet of tar and ammonia water separation hopper is connected with tar storage tank, and tar and ammonia water separation hopper and tar storage tank
Connecting line on be equipped with centrifuge feed pump and Three-phase decanter centrifuge successively；Wherein, the oil outlet of Three-phase decanter centrifuge
It is connected with tar storage tank, the insulation conical hopper tank of Three-phase decanter centrifuge slag notch bottom is connected with tar slag delivery pump, and three
The water outlet of phase decanter centrifuge is connected with the sprinkling of coke oven gas collecting tube；The discharge port of tar slag delivery pump is connected with coke oven stove group；
The water outlet of the tar and ammonia water separation hopper is connected with the sprinkling of coke oven gas collecting tube.
Further, the gas outlet of the gas-liquid separator is connected with gas cooler, gas cooler and air blower
Connection.
Further, 1000 DEG C of temperature ＞ in the coke oven stove group.
Further, the preseparator inner inclination is equipped with sieving, the aperture ＞ 5mm of the sieving.
Further, bottom is equipped with agitating device in the preseparator.
The operation principle of the present invention：When the coal gas in coke oven stove group sprays the coal gas to be formed and condensation by coke oven gas collecting tube
Liquid passes through gas-liquid separator separates；Condensate liquid（Tar, ammonium hydroxide, tar slag mixture）By preseparator, the tar more than 5mm
Clinker enters tar press pump by way of gravitational settling, and after attrition grinding, tar slag granularity reaches 3mm or so, tar pressure
Squeezing pump itself has 6 ~ 8m lifts, and continuous circulation can be formed between tar press pump and preseparator；Tar less than 5mm
Slag and tar, ammonium hydroxide enter tar and ammonia water separation hopper together, and mixed liquor divides three layers in tar and ammonia water separation hopper, the ammonium hydroxide of the superiors
By an ammonium hydroxide delivery pump, by ammonium hydroxide be transported to coke oven gas collecting tube sprinkling system reuse, tar and tar slag by one from
Scheming charging is pumped into Three-phase decanter centrifuge separation, and the tar isolated is sent to tar storage tank；The ammonium hydroxide isolated is returned to
Coke oven gas collecting tube sprinkling system reuse, an insulation conical hopper tank is made in the slag notch bottom of Three-phase decanter centrifuge, works as three-phase
When the tar slag that decanter centrifuge is isolated is filled in tapered shaped can, these slags can enter tar slag delivery pump from tank, by Jiao
The dregs of fat are fed directly to carry out coal blending processing on the belt of coal tower by way of 60 ~ 80 degree of electric tracing thermal insulation pipeline.
With the above structure, the present invention has the beneficial effect that：
1st, floor space is small（Mechanical settling tank need not be built）；
2nd, whole technique is completed in closed pipeline, solves the pollution of ammonium hydroxide and dust leakage to air；
3rd, high cost caused by annual scarfing cinder is reduced；
4th, tar yield is improved, the tar rate of recovery greatly improves；
5th, tar quality is improved, makes tar water content up to less than 2%.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the artwork of the present invention.
Description of reference numerals：
Coke oven stove group 1, coke oven gas collecting tube sprinkling 2, tar and ammonia water separation hopper 3, preseparator 4, tar storage tank 5, gas-liquid separator
6th, tar slag delivery pump 7, tar press pump 8, Three-phase decanter centrifuge 9, centrifuge feed pump 10.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
Referring to as shown in Figure 1, the technical solution that present embodiment uses is：It includes coke oven stove group 1, coke oven gas collection
Pipe sprinkling 2, tar and ammonia water separation hopper 3, preseparator 4, tar storage tank 5, gas-liquid separator 6, tar slag delivery pump 7, tar pressure
Squeeze pump 8, Three-phase decanter centrifuge 9, centrifuge feed pump 10；The gas outlet of coke oven stove group 1 is connected with coke oven gas collecting tube sprinkling 2,
The outlet of coke oven gas collecting tube sprinkling 2 is connected with gas-liquid separator 6, and the coagulant liquid outlet of gas-liquid separator 6 connects with preseparator 4
Connecing, the tar slag outlet of preseparator 4 is connected with tar press pump 8, and the discharge port of tar press pump 8 is connected with preseparator 4,
The liquid outlet of preseparator 4 is connected with tar and ammonia water separation hopper 3 at the same time, oil outlet and the tar storage tank 5 of tar and ammonia water separation hopper 3
Connection, and tar and ammonia water separation hopper 3 with being equipped with centrifuge feed pump 10 and three-phase decanter successively on the connecting line of tar storage tank 5
Centrifuge 9；Wherein, the oil outlet of Three-phase decanter centrifuge 9 is connected with tar storage tank 5,9 slag notch bottom of Three-phase decanter centrifuge
Insulation conical hopper tank be connected with tar slag delivery pump 7, the water outlet of Three-phase decanter centrifuge 9 and coke oven gas collecting tube sprinkling 2
Connection；The discharge port of tar slag delivery pump 7 is connected with coke oven stove group 1；The water outlet and coke oven of the tar and ammonia water separation hopper 3
2 connection of gas collecting tube sprinkling.
Further, the gas outlet of the gas-liquid separator 6 is connected with gas cooler 11, gas cooler 11 and drum
Wind turbine 12 connects, when the coal gas and condensate liquid that the coal gas in coke oven stove group 1 is formed by coke oven gas collecting tube sprinkling 2 divide by gas-liquid
Separated from device 6, coal gas enters coal gas condenser 11, and the gas purification that the later stage is entered by air blower 12 is handled.
Further, 1000 DEG C of temperature ＞ in the coke oven stove group 1.
Further, 4 inner inclination of preseparator is equipped with sieving, the aperture ＞ 5mm of the sieving so that with grain
The ammonium hydroxide and tar of tar solid impurity particle of the footpath less than 5mm are sent into tar and ammonia water separation hopper 3 together.
Further, the temperature at the gas outlet of the coke oven stove group 1 is 820 DEG C.
Further, the temperature at the gas outlet of coke oven gas collecting tube sprinkling 2 is 80 DEG C.
Further, the preseparator 4 tar slag outlet discharge tar solid impurity particle particle diameter 100mm it
It is interior.
Further, the Three-phase decanter centrifuge 9 is GEA Three-phase decanter centrifuges.
Further, the tar press pump 8 is GORATOR tar press pumps.
Further, the volume of the preseparator 4 is 50m3.
Further, bottom is equipped with agitating device in the preseparator, the agitating device using stirring motor and
The agitating shaft being connected on stirring motor is formed（Not shown in figure）.
The operation principle of present embodiment：Formed when the coal gas in coke oven stove group 1 by coke oven gas collecting tube sprinkling 2
Coal gas and condensate liquid are separated by gas-liquid separator 6；Condensate liquid（Tar, ammonium hydroxide, tar slag mixture）By preseparator 4,
Tar clinker more than 5mm enters tar press pump 8 by way of gravitational settling, and after attrition grinding, tar slag granularity reaches
3mm or so, tar press pump 8 itself have 6 ~ 8m lifts, can be formed between tar press pump 8 and preseparator 4 continuous
Circulation；Tar slag and tar, ammonium hydroxide less than 5mm enter tar and ammonia water separation hopper 3 together, are mixed in tar and ammonia water separation hopper 3
Ammonium hydroxide is transported to coke oven gas collecting tube and sprays 2 system reuses by an ammonium hydroxide delivery pump by liquid points three layers, the ammonium hydroxide of the superiors,
Tar and tar slag are sent into Three-phase decanter centrifuge 9 by a desk centrifuge feed pump 10 and are separated, and the tar isolated is sent to Jiao
Oil tank 5；The ammonium hydroxide isolated is returned to coke oven gas collecting tube and sprays 2 system reuses, at the slag notch bottom of Three-phase decanter centrifuge 9
Do an insulation conical hopper tank, when the tar slag that Three-phase decanter centrifuge 9 is isolated is filled in tapered shaped can, these slag meetings in portion
Enter tar slag delivery pump 7 from tank, by tar slag by way of 60 ~ 80 degree of electric tracing thermal insulation pipeline, be fed directly to
Coal blending processing is carried out on the belt of coal tower.
With the above structure, present embodiment has the beneficial effect that：Present embodiment provides a kind of safety
The tar purification of succinct high-efficiency environment friendly and its fixed-end forces technique, whole technical process are all to tar under closed conduit environment
The broken of slag, separation and conveying.Whole process is without leak point, and safety is environmentally friendly, reliably.Tar slag is separated by way of centrifuge
Out, then with the form of pump solid waste-tar slag is delivered directly to coal tower coal blending.This mode solves traditional
The dregs of fat leakage pollution on ground can be caused during the problem of the artificial scarfing cinder in tar tank bottom, and traditional tar slag mode of movement
Problem and the problems such as reduce artificial, vehicle the loss in this flow.The tar that new process purifies out, oil product is clean,
Tar moisture content directly can be directly used in follow-up tar deep processing below 2% as finished product material.Without again to oil product into
Row purified treatment.
The above, is merely illustrative of the technical solution of the present invention and unrestricted, those of ordinary skill in the art are to this hair
The other modifications or equivalent substitution that bright technical solution is made, without departing from the spirit and scope of technical solution of the present invention,
It should all cover among scope of the presently claimed invention.
Claims (6)
1. a kind of tar purification of succinct high-efficiency environment friendly of safety and its fixed-end forces technique, it is characterised in that：It includes coke oven stove
Group, the sprinkling of coke oven gas collecting tube, tar and ammonia water separation hopper, preseparator, tar storage tank, gas-liquid separator, tar slag delivery pump, Jiao
Oily press pump, Three-phase decanter centrifuge, centrifuge feed pump；The gas outlet of coke oven stove group is connected with the sprinkling of coke oven gas collecting tube, burnt
The outlet of stove gas collecting tube sprinkling is connected with gas-liquid separator, and the coagulant liquid outlet of gas-liquid separator is connected with preseparator, pre- point
Tar slag outlet from device is connected with tar press pump, and the discharge port of tar press pump is connected with preseparator, while pre-separation
The liquid outlet of device is connected with tar and ammonia water separation hopper, and the oil outlet of tar and ammonia water separation hopper is connected with tar storage tank, and tar ammonia
Water separating tank with being equipped with centrifuge feed pump and Three-phase decanter centrifuge successively on the connecting line of tar storage tank；Wherein, three-phase
The oil outlet of decanter centrifuge is connected with tar storage tank, insulation conical hopper tank and the Jiao of Three-phase decanter centrifuge slag notch bottom
Dregs of fat delivery pump connects, and water outlet and the sprinkling of coke oven gas collecting tube of Three-phase decanter centrifuge connect；The discharging of tar slag delivery pump
Mouth is connected with coke oven stove group；The water outlet of the tar and ammonia water separation hopper is connected with the sprinkling of coke oven gas collecting tube.
2. a kind of tar purification of the succinct high-efficiency environment friendly of safety according to claim 1 and its fixed-end forces technique, it is special
Sign is：The gas outlet of the gas-liquid separator is connected with gas cooler, and gas cooler is connected with air blower.
3. a kind of tar purification of the succinct high-efficiency environment friendly of safety according to claim 1 and its fixed-end forces technique, it is special
Sign is：1000 DEG C of temperature ＞ in the coke oven stove group.
4. a kind of tar purification of the succinct high-efficiency environment friendly of safety according to claim 1 and its fixed-end forces technique, it is special
Sign is：The preseparator inner inclination is equipped with sieving, the aperture ＞ 5mm of the sieving.
5. a kind of tar purification of the succinct high-efficiency environment friendly of safety according to claim 1 and its fixed-end forces technique, it is special
Sign is：Bottom is equipped with agitating device in the preseparator.
6. a kind of tar purification of succinct high-efficiency environment friendly of safety and its fixed-end forces technique, it is characterised in that：Its operation principle：
When the coal gas in coke oven stove group sprays the coal gas to be formed and condensate liquid passes through gas-liquid separator separates by coke oven gas collecting tube；Condensation
For liquid by preseparator, the tar clinker more than 5mm enters tar press pump by way of gravitational settling, after attrition grinding,
Tar slag granularity reaches 3mm or so, and tar press pump itself has 6 ~ 8m lifts, can be between tar press pump and preseparator
Form continuous circulation；Tar slag and tar, ammonium hydroxide less than 5mm enter tar and ammonia water separation hopper, tar ammonia separation together
Ammonium hydroxide is transported to coke oven gas collecting tube sprinkling system by three layers of mixed liquor point in groove, the ammonium hydroxide of the superiors by an ammonium hydroxide delivery pump
Reuse, tar and the tar slag of uniting are pumped into Three-phase decanter centrifuge by desk centrifuge charging and separate, and the tar isolated is sent
To tar storage tank；The ammonium hydroxide isolated is returned to coke oven gas collecting tube sprinkling system reuse, in the slag notch of Three-phase decanter centrifuge
Do an insulation conical hopper tank, when the tar slag that Three-phase decanter centrifuge is isolated is filled in tapered shaped can, these slags in bottom
Tar slag delivery pump can be entered from tank, by tar slag by way of 60 ~ 80 degree of electric tracing thermal insulation pipeline, be fed directly to
Coal blending processing is carried out on the belt of coal tower.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413953.7A CN114032119A (en) | 2017-12-19 | 2017-12-19 | Safe, simple, efficient and environment-friendly tar purification and solid waste treatment system |
| CN201711375626.0A CN107974263A (en) | 2017-12-19 | 2017-12-19 | A kind of tar purification of succinct high-efficiency environment friendly of safety and its fixed-end forces technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711375626.0A CN107974263A (en) | 2017-12-19 | 2017-12-19 | A kind of tar purification of succinct high-efficiency environment friendly of safety and its fixed-end forces technique |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111413953.7A Division CN114032119A (en) | 2017-12-19 | 2017-12-19 | Safe, simple, efficient and environment-friendly tar purification and solid waste treatment system |
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| CN107974263A true CN107974263A (en) | 2018-05-01 |
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| CN202111413953.7A Pending CN114032119A (en) | 2017-12-19 | 2017-12-19 | Safe, simple, efficient and environment-friendly tar purification and solid waste treatment system |
| CN201711375626.0A Pending CN107974263A (en) | 2017-12-19 | 2017-12-19 | A kind of tar purification of succinct high-efficiency environment friendly of safety and its fixed-end forces technique |
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| CN202111413953.7A Pending CN114032119A (en) | 2017-12-19 | 2017-12-19 | Safe, simple, efficient and environment-friendly tar purification and solid waste treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116173566A (en) * | 2023-03-16 | 2023-05-30 | 山东钢铁集团日照有限公司 | Slag separating system for separating coking tar ammonia water from tar slag |
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- 2017-12-19 CN CN201711375626.0A patent/CN107974263A/en active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115155153B (en) * | 2022-07-25 | 2024-08-30 | 拜城县众泰煤焦化有限公司 | Tar residue crushing system for coking cooling drum system and working method thereof |
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| Publication number | Publication date |
|---|---|
| CN114032119A (en) | 2022-02-11 |
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Address after: 201102 room 811A, 3 Lane 166, min Hong Road, Minhang District, Shanghai. Applicant after: JUNYUN ENVIRONMENTAL PROTECTION SCIENCE AND TECHNOLOGY ENGINEERING (SHANGHAI) CO., LTD. Address before: 201102 room 811A, 3 Lane 166, min Hong Road, Minhang District, Shanghai. Applicant before: Shanghai Jun cloud Environmental Protection Engineering Co. Ltd. |
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Application publication date: 20180501 |