CN114317038A - Coal tar recovery and collection device - Google Patents
Coal tar recovery and collection device Download PDFInfo
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- CN114317038A CN114317038A CN202111636036.5A CN202111636036A CN114317038A CN 114317038 A CN114317038 A CN 114317038A CN 202111636036 A CN202111636036 A CN 202111636036A CN 114317038 A CN114317038 A CN 114317038A
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- coal tar
- liquid ammonia
- box
- collection device
- condensation
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Abstract
The invention discloses a coal tar recovery and collection device, which relates to the technical field of coal tar recovery and comprises a condensation box, wherein a plurality of condensation pipes are arranged in the condensation box in a run-through manner, one ends of the plurality of condensation pipes are provided with liquid ammonia inlets, the other ends of the plurality of condensation pipes are provided with liquid ammonia outlets, the top of one side of the condensation box, which is positioned at the liquid ammonia outlet, is provided with an oil gas inlet, and the bottom of one side of the condensation box, which is positioned at the liquid ammonia inlet, is provided with a coal tar outlet. According to the coal tar recovery and collection device, the oil gas and the liquid ammonia are subjected to heat exchange through the condensing box, and the oil gas does not directly contact the liquid ammonia; a small amount of unliquefied oil gas flows into the Venturi tower to be condensed and liquefied for the second time, and liquid ammonia is sprayed for assisting oil gas condensation when the oil gas in the Venturi tower is more, so that the water content in the coal tar is greatly reduced, and the product quality of the coal tar is improved. The coal tar export below sets up the scraper blade, can strike off the impurity on the baffle, prevents that impurity from piling up and stopping up the coal tar export, influences the normal outflow of coal tar.
Description
Technical Field
The invention relates to the technical field of coal tar recovery, in particular to a coal tar recovery and collection device.
Background
Black or black brown viscous liquid with pungent odor is generated during coal dry distillation. Referred to as tar for short. Coal tar can be classified into low-temperature coal tar, medium-temperature coal tar and high-temperature coal tar according to the dry distillation temperature. It is one of coke oven gas purification products condensed and separated in the process of cooling crude gas. Coal tar is generally used as a raw material for refining to prepare various chemical products, (see coal tar processing) and can also be directly utilized, for example, as a material ingredient of a binder for industrial briquettes, formed coke and coal-based activated carbon, and can also be used as a fuel oil, a blast furnace injection fuel, a wood preservative oil and a raw material for burning carbon black.
The existing coal tar recovery and collection device has low recovery rate and large water content in the coal tar, and the quality of the coal tar is seriously influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a coal tar recovery and collection device, which is used for reducing the water content in coal tar and improving the recovery rate of the coal tar.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a coal tar recovery and collection device which comprises a condensation box, wherein a plurality of condensation pipes are arranged in the condensation box in a penetrating manner, one ends of the condensation pipes are provided with liquid ammonia inlets, the other ends of the condensation pipes are provided with liquid ammonia outlets, the top of one side of the condensation box, which is positioned at the liquid ammonia outlet, is provided with an oil gas inlet, and the bottom of one side of the condensation box, which is positioned at the liquid ammonia inlet, is provided with a coal tar outlet.
Optionally, a partition plate is arranged inside the condenser box, the top of the partition plate is connected with the top inside the condenser box, and the bottom of the partition plate extends to the middle or lower part of the condenser box.
Optionally, at least two of the partition plates are arranged inside the condensation tank.
Optionally, the system further comprises a venturi tower, and the top of the venturi tower is communicated with the top of the condenser tank on one side of the liquid ammonia inlet.
Optionally, a liquid ammonia nozzle is arranged at the top of the venturi tower, and the liquid ammonia nozzle is used for spraying liquid ammonia into the venturi tower.
Optionally, the coal tar collecting device further comprises a collecting box, wherein the collecting box is used for containing the coal tar.
Optionally, the condenser box is provided with a cleaning mechanism below the coal tar outlet, and the cleaning mechanism is used for pushing the coal tar into the collecting box.
Optionally, the cleaning mechanism comprises a scraper, a guide plate and a hydraulic cylinder; the coal tar collecting box is characterized in that one end of the guide plate, which is located at the coal tar outlet, is higher than one end of the guide plate, which is located at the collecting box, the scraper plate is sleeved on the guide plate, the hydraulic cylinder is located below the guide plate, and a piston rod of the hydraulic cylinder is connected with the scraper plate.
Optionally, the scraper includes a first portion arranged in parallel with the guide plate and a second portion arranged perpendicular to the guide plate, the first portion is connected with the second portion, and the size of the first portion is larger than that of the coal tar outlet.
Compared with the prior art, the invention has the following technical effects:
according to the coal tar recovery and collection device, the oil gas and the liquid ammonia are subjected to heat exchange through the condensing box, and the oil gas does not directly contact the liquid ammonia; a small amount of unliquefied oil gas flows into the Venturi tower to be condensed and liquefied for the second time, and liquid ammonia is sprayed for assisting oil gas condensation when the oil gas in the Venturi tower is more, so that the water content in the coal tar is greatly reduced, and the product quality of the coal tar is improved. The coal tar export below sets up the scraper blade, can strike off the impurity on the baffle, prevents that impurity from piling up and stopping up the coal tar export, influences the normal outflow of coal tar.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a coal tar recovery and collection device according to the present invention.
Description of reference numerals: 1. a liquid ammonia outlet; 2. an oil gas inlet; 3. a liquid ammonia inlet; 4. a liquid ammonia sprayer; 5. a venturi tower; 6. a collection box; 7. a valve; 8. a guide plate; 9. a coal tar outlet; 10. a hydraulic cylinder; 11. a scraper.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in FIG. 1, this embodiment provides a collection device is retrieved to coal tar, including the condenser box, inside a plurality of condenser pipes that link up of condenser box, a plurality of condenser pipe one end are provided with liquid ammonia import 3, a plurality of condenser pipe other ends are provided with the liquid ammonia export, the condenser box is located liquid ammonia export one side top is provided with oil gas import 2, the condenser box is located 3 one side bottoms of liquid ammonia import are provided with coal tar export 9.
In this embodiment, the condensing box is box body type structure, and its both ends set up flange and are used for being connected with the pipeline, are close to both ends in the box and set up the baffle, and two baffles and box enclose into an airtight cavity, and the condenser pipe link up two baffles, and the outer wall of condenser pipe and baffle welded seal, and liquid ammonia cools down the cooling through the condenser pipe in to airtight cavity, and oil gas flows into in the airtight cavity from oil gas import 2 and is cooled off liquefaction coal tar, flows out from coal tar export 9.
In order to improve the heat exchange efficiency of oil gas, three partition plates are arranged inside the box body, the tops of the partition plates are connected with the top inside the condensing box, and the bottoms of the partition plates extend to the middle of the condensing box. Under blockking of baffle, oil gas can not be directly in the box is spread all over through the box top, but through the region between two baffles of baffle bottom space flow direction, just can follow the baffle bottom flow to next baffle after being full of this region, avoid the interior top accumulation of box a large amount of oil gas to be difficult to the liquefaction, and the condenser pipe that is located the lower part can not fully contact with oil gas again and absorb the heat in the oil gas, thereby make liquid ammonia in the condenser pipe can be abundant carry out the heat exchange with oil gas, accelerate the efficiency of oil gas liquefaction coal tar.
In order to further improve the liquefaction efficiency of the coal tar and prevent a large amount of oil gas from accumulating in the condensing box, the top of one end of the condensing box far away from the oil gas inlet 2 is communicated with the top of the Venturi tower 5 through a pipeline. A small amount of oil gas bypassing the three partitions enters the Venturi tower 5 through the pipeline and is cooled in the Venturi tower 5, so that the air pressure in the condensing box is favorably reduced, condensing pipes with different heights are fully utilized, the liquefying speed of the oil gas is further accelerated, and the conversion efficiency of the coal tar is improved.
Under the condition that more oil gas in venturi tower 5, can open the liquid ammonia shower nozzle 4 at top in venturi tower 5, spray liquid ammonia in venturi tower 5 through liquid ammonia shower nozzle 4, supplementary liquefaction of oil gas.
The bottom of the condensation box and the Venturi tower 5 is communicated with a collecting box 6, and the collecting box 6 is used for containing coal tar.
The condenser box is positioned below the coal tar outlet 9 and is provided with a cleaning mechanism, and the cleaning mechanism is used for pushing the coal tar into the collecting box 6. Specifically, the cleaning mechanism comprises a scraper 11, a guide plate 8 and a hydraulic cylinder 10; the guide plate 8 is located the one end that the coal tar export 9 is higher than its one end that is located the collecting box 6, scraper blade 11 cover is located on the guide plate 8, pneumatic cylinder 10 is located 8 below of guide plate, just the piston rod of pneumatic cylinder 10 with scraper blade 11 is connected. Further, the scraper 11 comprises a first part arranged in parallel with the guide plate 8 and a second part arranged perpendicular to the guide plate 8, the first part is connected with the second part, and the size of the first part is larger than that of the coal tar outlet 9. The scraper 11 is driven by the hydraulic cylinder 10 to move along the guide plate 8, and the scraper 11 can scrape off coal tar and impurities on the surface of the guide plate 8 so that the coal tar and the impurities flow into the collecting box 6. In the moving process of the scraper 11, the second part of the scraper 11 is used for plugging the coal tar outlet 9, so that the coal tar in the condensation box is prevented from falling to the higher side of the scraper 11.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. The utility model provides a collection device is retrieved to coal tar, a serial communication port, including the condensing box, the inside a plurality of condenser pipes that link up of condensing box, a plurality of condenser pipe one end are provided with the liquid ammonia import, a plurality of condenser pipe other ends are provided with the liquid ammonia export, the condensing box is located liquid ammonia export one side top is provided with the oil gas import, the condensing box is located liquid ammonia import one side bottom is provided with the coal tar export.
2. The coal tar recovery and collection device according to claim 1, wherein a partition is arranged inside the condensation box, the top of the partition is connected with the top inside the condensation box, and the bottom of the partition extends to the middle or lower part of the condensation box.
3. The coal tar recovery and collection device according to claim 2, wherein at least two said baffles are disposed inside said condensation tank.
4. The coal tar recovery and collection device according to claim 1, further comprising a venturi tower, wherein the top of the venturi tower is communicated with the top of the condensation tank on the side of the liquid ammonia inlet.
5. The coal tar recovery and collection device according to claim 4, wherein a liquid ammonia spray nozzle is arranged at the top of the Venturi tower, and the liquid ammonia spray nozzle is used for spraying liquid ammonia into the Venturi tower.
6. The coal tar recovery and collection device of claim 1, further comprising a collection box for containing coal tar.
7. The coal tar recovery and collection device according to claim 6, wherein a cleaning mechanism is arranged below the coal tar outlet of the condensation box and used for pushing the coal tar into the collection box.
8. The coal tar recovery collection device according to claim 6, wherein the cleaning mechanism comprises a scraper, a guide plate and a hydraulic cylinder; the coal tar collecting box is characterized in that one end of the guide plate, which is located at the coal tar outlet, is higher than one end of the guide plate, which is located at the collecting box, the scraper plate is sleeved on the guide plate, the hydraulic cylinder is located below the guide plate, and a piston rod of the hydraulic cylinder is connected with the scraper plate.
9. The coal tar recovery and collection device of claim 8, wherein the scraper comprises a first portion disposed parallel to the guide plate and a second portion disposed perpendicular to the guide plate, the first portion being connected to the second portion, the first portion having a size greater than the coal tar outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111636036.5A CN114317038A (en) | 2021-12-29 | 2021-12-29 | Coal tar recovery and collection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111636036.5A CN114317038A (en) | 2021-12-29 | 2021-12-29 | Coal tar recovery and collection device |
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| CN114317038A true CN114317038A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111636036.5A Pending CN114317038A (en) | 2021-12-29 | 2021-12-29 | Coal tar recovery and collection device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB846643A (en) * | 1957-10-02 | 1960-08-31 | Allied Chem | Process and apparatus for cooling coke oven gas |
| CN207159141U (en) * | 2017-07-17 | 2018-03-30 | 内蒙古正能化工集团有限公司 | A kind of stokehold tar automatic cleaning apparatus |
| CN209317079U (en) * | 2018-12-25 | 2019-08-30 | 泰州富士达制冷设备有限公司 | A kind of petroleum vapor recovery oil liquid collection device |
| CN210543454U (en) * | 2019-08-28 | 2020-05-19 | 青岛德汇鑫环保科技有限公司 | Oil gas cooling and collecting device |
| CN212806601U (en) * | 2020-08-25 | 2021-03-26 | 洛阳沃虹石化设备有限公司 | Condenser structure for oil gas recovery |
| CN113069891A (en) * | 2021-05-11 | 2021-07-06 | 中科合成油工程有限公司 | Oil gas recovery method |
| CN113144659A (en) * | 2021-05-28 | 2021-07-23 | 成渝钒钛科技有限公司 | Coal tar recovery device for coal tar system and use method thereof |
| CN214244326U (en) * | 2020-12-24 | 2021-09-21 | 内蒙古正能化工集团有限公司 | Coal tar classification recovery system |
-
2021
- 2021-12-29 CN CN202111636036.5A patent/CN114317038A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB846643A (en) * | 1957-10-02 | 1960-08-31 | Allied Chem | Process and apparatus for cooling coke oven gas |
| CN207159141U (en) * | 2017-07-17 | 2018-03-30 | 内蒙古正能化工集团有限公司 | A kind of stokehold tar automatic cleaning apparatus |
| CN209317079U (en) * | 2018-12-25 | 2019-08-30 | 泰州富士达制冷设备有限公司 | A kind of petroleum vapor recovery oil liquid collection device |
| CN210543454U (en) * | 2019-08-28 | 2020-05-19 | 青岛德汇鑫环保科技有限公司 | Oil gas cooling and collecting device |
| CN212806601U (en) * | 2020-08-25 | 2021-03-26 | 洛阳沃虹石化设备有限公司 | Condenser structure for oil gas recovery |
| CN214244326U (en) * | 2020-12-24 | 2021-09-21 | 内蒙古正能化工集团有限公司 | Coal tar classification recovery system |
| CN113069891A (en) * | 2021-05-11 | 2021-07-06 | 中科合成油工程有限公司 | Oil gas recovery method |
| CN113144659A (en) * | 2021-05-28 | 2021-07-23 | 成渝钒钛科技有限公司 | Coal tar recovery device for coal tar system and use method thereof |
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