Device additionally provided with coal gas primary cooler for recovering tar and naphthalene
By setting up a sampling port and a flowmeter in the gas primary cooler, the proportion and flow rate of tar and ammonia mixed liquid are accurately controlled, and the problem of inaccurate control of tar and ammonia mixed liquid is solved, and efficient recycling of tar and naphthalene and long-life operation of the equipment are achieved.
CN223118390UActive Publication Date: 2025-07-18BAOTOU IRON & STEEL (GROUP) CO LTD
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Patent Information
- Application Number
- CN202422299687.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-19
AI Technical Summary
Technical Problem
The flow rate and proportion control of the tar and ammonia mixed liquid in the existing gas primary coolers is inaccurate, resulting in increased equipment scaling and operating resistance, affecting the removal effect of tar and naphthalene.
Method used
By setting up a sampling port and a flowmeter, the proportion and flow rate of the tar and ammonia mixed liquid are accurately controlled, the components and flow rate of the spray liquid are optimized, dynamic balance is achieved, and the recovery of tar and naphthalene is increased.
Benefits of technology
Effectively reduce equipment scaling, reduce operating resistance, improve the recovery rate of tar and naphthalene, extend the service life of the equipment, and reduce maintenance costs.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model discloses a device for recovering tar and naphthalene by adding a gas primary cooler, which relates to the technical field of coking production process, and analyzes the content of tar and naphthalene in raw gas by arranging a first sampling port and a second sampling port; the ratio of tar to ammonia water flowing into the middle-section condensate tank is controlled to be 4: 6 through the second valve, the second flowmeter, the fourth valve and the fourth flowmeter, and the ratio of tar to ammonia water flowing into the lower-section condensate tank is controlled to be 2: 8 through the first valve, the first flowmeter, the third valve and the third flowmeter; according to sampling analysis of tar and naphthalene contents in raw coke oven gas at the front end and the rear end of a primary cooler, the spraying liquid dosage (4.0-10.0 m < 3 > (spraying liquid) / km < 3 > (raw coke oven gas)) is correspondingly adjusted, and tar and naphthalene recovery is increased to the maximum extent.
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