CN211284238U

CN211284238U - Coal coking production system gas pipeline discharge liquid collecting system

Info

Publication number: CN211284238U
Application number: CN201922307754.2U
Authority: CN
Inventors: 李东海; 王清亮; 张红钢; 刘培龙; 郭磊
Original assignee: Inner Mongolia Ordos Huaye Coal Coking Co ltd
Current assignee: Inner Mongolia Ordos Huaye Coal Coking Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-18
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a coal coking production system gas pipeline discharge liquid collecting system, which comprises a closed tank body, wherein the top of the tank body is communicated with an exhaust port and a plurality of liquid inlets, the exhaust port is communicated with a gas main pipeline through a balance pipe, and the balance pipe is provided with a balance control valve; the liquid inlet is communicated with a liquid outlet of the gas pipeline through a liquid accumulating pipe, and a liquid accumulating control valve is arranged on the liquid accumulating pipe; the bottom of the tank body is communicated with a liquid discharge pipe, and a liquid discharge control valve is arranged on the liquid discharge pipe. The advantages are that: the accumulated liquid discharged from the gas pipeline can be collected and treated in a unified manner through the tank body, so that the environmental pollution caused by the direct discharge of harmful liquid can be avoided, and the gas in the tank body is discharged into a main pipeline of a gas purification system for collection in the collection process, so that the problem of outward diffusion of peculiar smell can be solved, and the cleanness of the production environment is ensured; in addition, the flowing back section in the jar body passes through the flange and can dismantle with the inlet and be connected, easy dismounting, the maintenance of being convenient for.

Description

Coal coking production system gas pipeline discharge liquid collecting system

The technical field is as follows:

the utility model relates to a coal coking technical field, specifically speaking relate to a coal coking production system gas pipeline discharge liquid collecting system.

Background art:

coal coking is also called high-temperature dry distillation of coal, coal is used as a raw material, the raw material is heated to about 950 ℃ under the condition of air isolation, coke is produced through high-temperature dry distillation, and meanwhile coal gas and coal tar are obtained, and other chemical products are recovered.

The coke production system comprises a plurality of subsystems such as coal preparation, coking, gas purification and the like, wherein the gas purification system is used for cooling, conveying and recovering chemical products such as coal tar, ammonia, sulfur, benzene hydrocarbon and the like from the raw coke oven generated in the coking chamber and purifying the gas. Volatile matters carried in raw gas can be gathered in a gas pipeline to form accumulated liquid in the conveying process, the accumulated liquid needs to be regularly discharged in order to ensure the normal operation of a system, the accumulated liquid in the gas pipeline is discharged on site at present, however, the accumulated liquid contains harmful substances, the direct discharge can pollute the production environment, and the discharge point can generate peculiar smell, so that the production environment is severe.

The utility model has the following contents:

an object of the utility model is to provide a coal coking production system gas pipeline discharge liquid collecting system can guarantee the cleanness of production environment.

The utility model discloses by following technical scheme implement: a coal coking production system gas pipeline discharge liquid collecting system comprises a closed tank body, wherein the top of the tank body is communicated with an exhaust port and a plurality of liquid inlets, the exhaust port is communicated with a gas main pipeline through a balance pipe, and the balance pipe is provided with a balance control valve; the liquid inlet is communicated with a liquid outlet of the gas pipeline through a liquid accumulating pipe, and a liquid accumulating control valve is arranged on the liquid accumulating pipe; the bottom of the tank body is communicated with a liquid discharge pipe, and a liquid discharge control valve is arranged on the liquid discharge pipe.

Furthermore, the top of the tank body is communicated with a vent pipe, and a vent valve is arranged on the vent pipe.

Further, the blow-down pipe is a spiral pipe which is vertically arranged, and the blow-down valve is installed at the top end of the blow-down pipe.

Furthermore, the liquid accumulating pipe comprises a connecting section and a liquid discharging section which are butted up and down, the top end of the connecting section is communicated with a liquid discharging port of the gas pipeline through the liquid accumulating control valve, and the liquid discharging section is movably inserted in the liquid inlet; annular flanges are fixed at the bottom end of the connecting section, the top end of the liquid drainage section and the top end of the liquid inlet, and the three annular flanges are connected through bolts.

The utility model has the advantages that: the accumulated liquid discharged from the gas pipeline can be collected and treated in a unified manner through the tank body, so that the environmental pollution caused by the direct discharge of harmful liquid can be avoided, and the gas in the tank body is discharged into a main pipeline of a gas purification system for collection in the collection process, so that the problem of outward diffusion of peculiar smell can be solved, and the cleanness of the production environment is ensured; in addition, the flowing back section in the jar body passes through the flange and can dismantle with the inlet and be connected, easy dismounting, the maintenance of being convenient for.

Description of the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

1-gas pipeline; 2-a liquid discharge port; 3-a liquid accumulation control valve; 4-liquid accumulating tube; 4.1-connecting segment; 4.2-liquid discharge section; 5-an annular flange; 6-liquid inlet; 7-tank body; 8-a blow-down valve; 9-an emptying pipe; 10-a balance tube; 11-a balance control valve; 12-an exhaust port; 13-main gas pipeline; 14-a drain control valve; 15-liquid discharge pipe.

The specific implementation mode is as follows:

in the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, a coal coking production system gas pipeline discharge liquid collecting system comprises a closed tank 7, wherein the top of the tank 7 is communicated with an exhaust port 12 and a plurality of liquid inlets 6, the exhaust port 12 is communicated with a main gas pipeline 13 through a balance pipe 10, and the balance pipe 10 is provided with a balance control valve 11; the liquid inlet 6 is communicated with the liquid outlet 2 of the gas pipeline 1 through a liquid accumulating pipe 4, and the liquid accumulating pipe 4 is provided with a liquid accumulating control valve 3; a liquid discharge pipe 15 is communicated with the bottom of the tank body 7, and a liquid discharge control valve 14 is arranged on the liquid discharge pipe 15; when liquid in the gas pipeline 1 needs to be discharged, the liquid accumulation control valve 3 is opened, and the liquid in the gas pipeline 1 enters the tank body 7 through the liquid accumulation pipe 4, so that the unified collection and treatment of the liquid accumulation are realized, and the environmental pollution caused by the direct discharge of harmful liquid is avoided. When liquid enters the tank body 7, the air pressure in the tank body 7 is increased, and the balance control valve 11 is opened, so that the air in the tank body 7 is discharged to the main gas pipeline 13 through the balance pipe 10, the outward diffusion of peculiar smell is avoided, and the cleanness of the production environment is ensured. When the liquid collected in the tank 7 needs to be discharged, the liquid discharge control valve 14 is opened, and the liquid can be discharged through the liquid discharge pipe 15.

The top of the tank body 7 is communicated with an emptying pipe 9, and the emptying pipe 9 is provided with an emptying valve 8; the emptying pipe 9 is a spiral pipe which is vertically arranged, and the emptying valve 8 is arranged at the top end of the emptying pipe 9; volatile liquid carried by the gas in the process of rising along the spiral pipe falls back to the interior of the tank body 7 along the spiral pipe, so that the environment is ensured to be inclined;

in the embodiment, the liquid accumulating pipe 4 comprises a connecting section 4.1 and a liquid discharging section 4.2 which are butted up and down, the top end of the connecting section 4.1 is communicated with a liquid discharging port 2 of the gas pipeline 1 through a liquid accumulating control valve 3, and the liquid discharging section 4.2 is movably inserted in a liquid inlet 6; annular flanges 5 are fixed at the bottom end of the connecting section 4.1, the top end of the liquid drainage section 4.2 and the top end of the liquid inlet 6, and the three annular flanges 5 are connected through bolts; the liquid discharge section 4.2 is detachably connected with the connecting section 4.1 and the liquid inlet 6 through the flange, when the liquid discharge section 4.2 needs to be replaced, the liquid discharge section 4.2 can be removed only by disassembling the connecting bolt between the annular flanges 5, and the disassembly and the assembly are convenient;

due to the corrosive nature of the liquid in the tank 7, the liquid discharge section 4.2 of the liquid accumulating tube 4 is easily corroded and damaged and needs to be replaced frequently. When the balance control valve is replaced, the emptying valve 8 is opened and closed firstly, so that the air entering the tank body 7 is discharged from the emptying pipe 9; and then the bolts for connecting the three flanges 5 are loosened, the connecting section 4.1 and the liquid discharge section 4.2 are detached from the tank body 7, the liquid discharge section 4.2 is replaced, and then the liquid discharge section is installed back again, so that the operation is simple and the maintenance is convenient.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A coal coking production system gas pipeline discharge liquid collecting system is characterized by comprising a closed tank body, wherein the top of the tank body is communicated with an exhaust port and a plurality of liquid inlets, the exhaust port is communicated with a gas main pipeline through a balance pipe, and the balance pipe is provided with a balance control valve; the liquid inlet is communicated with a liquid outlet of the gas pipeline through a liquid accumulating pipe, and a liquid accumulating control valve is arranged on the liquid accumulating pipe; the bottom of the tank body is communicated with a liquid discharge pipe, and a liquid discharge control valve is arranged on the liquid discharge pipe.

2. The system for collecting the discharged liquid of the gas pipeline of the coal coking production system according to claim 1, characterized in that a vent pipe is communicated with the top of the tank body, and a vent valve is arranged on the vent pipe.

3. The coal coking production system gas pipeline effluent collection system of claim 2, wherein the blow-down pipe is a vertically disposed spiral pipe, and the blow-down valve is mounted at the top end of the blow-down pipe.

4. The system for collecting the discharged liquid of the gas pipeline of the coal coking production system according to any one of claims 2 to 3, wherein the liquid accumulating pipe comprises a connecting section and a liquid discharging section which are butted up and down, the top end of the connecting section is communicated with a liquid discharging port of the gas pipeline through the liquid accumulating control valve, and the liquid discharging section is movably inserted in the liquid inlet; annular flanges are fixed at the bottom end of the connecting section, the top end of the liquid drainage section and the top end of the liquid inlet, and the three annular flanges are connected through bolts.