Search

CN-224207972-U - Coal tar hydrogenation liquid sulfur injection device

CN224207972UCN 224207972 UCN224207972 UCN 224207972UCN-224207972-U

Abstract

The utility model provides a coal tar hydrogenation liquid sulfur injection device, which belongs to the technical field of liquid supply and comprises an output pipe connected with a storage tank, wherein the end part of the output pipe is connected with a plurality of water supply units, each water supply unit is connected with a feed pipe of a stirring cylinder, the stirring cylinder is used for mixing liquid sulfur and coal tar, the water supply units comprise a water supply pipe connected with the output pipe, the end part of the water supply pipe is connected with a water inlet pipe, a switching valve for switching on and off water flow, a pressure stabilizing valve for stabilizing water pressure, a pressure regulating valve for regulating pipeline water flow and a pressure gauge for detecting water pressure are sequentially arranged on the water supply pipe, the stirring cylinder is stably and continuously supplied with water through the water supply units, and when one water supply unit cannot work normally, the other water supply unit can be used for working, so that the liquid sulfur injection work can work normally.

Inventors

  • GUO DONG
  • GUO HUIMIN
  • WANG XU
  • LU PEISHUO
  • ZHANG WEI

Assignees

  • 河南省大化电气仪表工程技术有限公司

Dates

Publication Date
20260508
Application Date
20250604

Claims (6)

  1. 1. The coal tar hydrogenation liquid sulfur injection device comprises an output pipe (101) connected with a storage tank (100), and is characterized in that the end part of the output pipe (101) is connected with a plurality of water supply units (200), each water supply unit (200) is connected with a feed pipe (301) of a stirring cylinder (300), and the stirring cylinder (300) is used for mixing liquid sulfur and coal tar; the water supply unit (200) comprises a water supply pipe (210) connected with the output pipe (101), the end part of the water supply pipe (210) is connected with the water inlet pipe, and the water supply pipe (210) is sequentially provided with a switch valve (220) for switching on and off water flow, a pressure stabilizing valve (221) for stabilizing water pressure, a pressure regulating valve (222) for regulating pipeline water flow and a pressure gauge (223) for detecting water pressure.
  2. 2. The device for injecting sulfur into coal tar hydrogenation liquid according to claim 1, wherein a return pipe is further arranged on the water supply pipe (210), one end of the return pipe is positioned between the pressure reducing valve and the switch valve (220), and the other end of the return pipe is connected with the storage tank (100).
  3. 3. The coal tar hydrogenation liquid sulfur injection device as set forth in claim 2, wherein the water supply pipe (210) is composed of a first water supply pipe (211), a second water supply pipe (212) and a third water supply pipe (213), the switch valve (220) and the return pipe are arranged on the first water supply pipe (211), the pressure stabilizing valve (221), the pressure regulating valve (222) and the pressure gauge (223) are arranged on the second water supply pipe (212), and the third water supply pipe (213) is connected with the feed pipe (301); The two ends of the second water supply pipe (212) are detachably fixed between the first water supply pipe (211) and the third water supply pipe (213).
  4. 4. The device for injecting sulfur into coal tar hydrogenation liquid as claimed in claim 3, wherein the two ends of the second water supply pipe (212) are connected with the first water supply pipe (211) or the third water supply pipe (213) through flanges.
  5. 5. The device for injecting sulfur into coal tar hydrogenation liquid as claimed in claim 4, wherein the third water supply pipe (213) and the return pipe are respectively provided with a check valve.
  6. 6. The device for injecting sulfur into coal tar hydrogenation liquid according to any one of claims 1 to 5, wherein two sets of water supply units (200) are arranged between the output pipe (101) and the water inlet pipe.

Description

Coal tar hydrogenation liquid sulfur injection device Technical Field The utility model relates to the technical field of liquid supply equipment, in particular to a sulfur injection device for coal tar hydrogenation liquid. Background In the coal tar hydrogenation process, the injection of liquid sulfur (liquid sulfur) is a vital link. It not only affects the efficiency of the hydrogenation reaction, but also directly relates to the quality of the final product and the stability and safety of the whole process. However, the prior art liquid sulfur injection apparatus has a number of problems, and improvements and optimizations are needed. The existing liquid sulfur injection device has the defect in the aspect of accurately controlling the injection amount of the liquid sulfur. The coal tar hydrogenation process has strict requirements on the injection amount of liquid sulfur, and too much or too little injection can influence the hydrogenation effect. However, existing devices often lack an effective metering and control system, and precise control of the amount of liquid sulfur injected is difficult to achieve. This may lead to unstable product quality and even failure to meet the actual needs of the customer. Therefore, in view of the problems in the prior art, there is an urgent need for an injection device that can stably, continuously and accurately deliver liquid sulfur. The device has the advantages of being capable of realizing stable and continuous conveying of liquid sulfur, avoiding the problems of blockage and unsmooth flow, accurately controlling the injection amount of the liquid sulfur, ensuring the effect of hydrogenation reaction and the quality of products, being easy to maintain and maintain, and reducing the maintenance cost and the environmental risk of equipment. Disclosure of utility model In view of the above, the utility model provides a coal tar hydrogenation liquid sulfur injection device, which is characterized in that a water supply unit is used for supplying water to a stirring cylinder stably and continuously, and when one water supply unit cannot work normally, the other water supply unit can be used for working, so that the liquid sulfur injection work can work normally. In order to solve the technical problems, the utility model provides a coal tar hydrogenation liquid sulfur injection device, which comprises an output pipe connected with a storage tank, wherein liquid sulfur in the storage tank can be discharged through the output pipe, the end part of the output pipe is connected with a plurality of water supply units, each water supply unit is connected with a feed pipe of a stirring cylinder, the stirring cylinder is used for mixing the liquid sulfur and coal tar, and the water supply units are used for supplying liquid to the stirring cylinder; The water supply unit comprises a water supply pipe connected with the output pipe, liquid sulfur in the output pipe can flow into the water supply pipe, the end part of the water supply pipe is connected with the water inlet pipe, the liquid sulfur in the water supply pipe can be input into the stirring cylinder through the water inlet pipe, and the water supply pipe is sequentially provided with a switching valve for switching on and off the water flow, a pressure stabilizing valve for stabilizing the water pressure, a pressure regulating valve for regulating the water flow of the pipeline and a pressure gauge for detecting the water pressure. And a return pipe is further arranged on the water supply pipe, one end of the return pipe is positioned between the pressure reducing valve and the switch valve, the other end of the return pipe is connected with the storage tank, and redundant liquid sulfur in the water supply pipe can be returned into the storage tank through the return pipe. The water supply pipe consists of a first water supply pipe, a second water supply pipe and a third water supply pipe, the switch valve and the return pipe are arranged on the first water supply pipe, the pressure stabilizing valve, the pressure regulating valve and the pressure gauge are arranged on the second water supply pipe, the third water supply pipe is connected with the feeding pipe, and two ends of the second water supply pipe are detachably fixed between the first water supply pipe and the third water supply pipe, namely, the pressure stabilizing valve, the pressure regulating valve and the pressure gauge are maintained. The two ends of the second water supply pipe are connected with the first water supply pipe or the third water supply pipe through flanges, and the second water supply pipe can be quickly disassembled and assembled through the flanges. And the third water supply pipe and the return pipe are both provided with one-way valves, and the liquid sulfur in the pipeline is prevented from dripping on the ground after the second water supply pipe is disassembled through the one-way valves. Two groups of water supply units are