阅读说明：本技术 焦油渣收集、装料、运输、卸料、混料利用系统及工艺 (Tar residue collecting, loading, transporting, unloading and mixing utilization system and process ) 是由 吴昌宝 王克非 段续增 于 2021-08-23 设计创作，主要内容包括：本发明涉及焦化行业焦油渣处理技术领域,尤其涉及焦油渣收集、装料、运输、卸料、混料利用系统及工艺。包括螺旋输送机、临时储渣槽、装料密封装置、焦油渣移动储料斗、AGV小车、卸料装置、收料斗、混合机与皮带输送机组；螺旋输送机入料口与刮渣槽放渣口通过管道密封连接,其卸料口与临时储渣槽管道密封相连；临时储渣槽出口主管道通过装料密封装置与焦油渣移动储料斗密封相连,焦油渣移动储料斗放置在AGV小车上；卸料装置将焦油渣移动储料斗翻转将焦油渣倒入收料斗内,收料斗与混合机密封相连,混合机与皮带输送机组密封相连。实现焦油渣集料、装料、运输、卸料、混料过程的全密封、无害化、机械化与自动化,实现焦油渣的有效利用。(The invention relates to the technical field of treatment of tar residues in the coking industry, in particular to a system and a process for collecting, charging, transporting, discharging and mixing the tar residues. The device comprises a screw conveyor, a temporary slag storage tank, a charging sealing device, a tar slag mobile storage hopper, an AGV trolley, a discharging device, a receiving hopper, a mixer and a belt conveyor set; the feed inlet of the screw conveyer is hermetically connected with the slag discharge port of the slag scraping groove through a pipeline, and the discharge port of the screw conveyer is hermetically connected with the temporary slag storage groove through a pipeline; the main outlet pipeline of the temporary slag storage tank is hermetically connected with a tar slag mobile storage hopper through a charging sealing device, and the tar slag mobile storage hopper is placed on an AGV trolley; the discharging device turns over the tar residue moving storage hopper to pour the tar residue into the receiving hopper, the receiving hopper is hermetically connected with the mixing machine, and the mixing machine is hermetically connected with the belt conveyor unit. The full-sealing, harmless, mechanical and automatic process of gathering, charging, transporting, discharging and mixing the tar residues is realized, and the effective utilization of the tar residues is realized.)

1. The utility model provides a tar sediment is collected, is loaded, is transported, is unloaded, compounding and utilizes system which characterized in that: the device comprises a screw conveyor, a temporary slag storage tank, a charging sealing device, a tar slag mobile storage hopper, an AGV trolley, a discharging device, a receiving hopper, a mixer and a belt conveyor set; the feed inlet of the screw conveyer is hermetically connected with the slag discharge port of the slag scraping groove through a pipeline, and the discharge port of the screw conveyer is hermetically connected with the temporary slag storage groove through a pipeline; the main outlet pipeline of the temporary slag storage tank is hermetically connected with a tar slag mobile storage hopper through a charging sealing device, and the tar slag mobile storage hopper is placed on an AGV trolley; the discharging device moves the tar residue storage hopper to turn over and pours the tar residue into the receiving hopper, the receiving hopper is hermetically connected with the mixer through a pipeline, and the mixer is hermetically connected with the belt conveyor unit through a pipeline.

2. The tar residue collecting, charging, transporting, discharging and mixing utilization system as claimed in claim 1, wherein: the top of the temporary slag storage tank is connected with a discharge opening of a screw conveyor in a sealing mode through a pipeline, a hot water pipe is spirally distributed outside the temporary slag storage tank in a spiral mode, a discharge opening at the bottom of the slag storage tank is connected with a gate valve, an expansion joint is connected below the gate valve and is connected with a first plunger pump system, and the first plunger pump system is connected with an outlet main pipeline of the temporary slag storage tank.

3. The tar residue collecting, charging, transporting, discharging and mixing utilization system as claimed in claim 1, wherein: a valve is arranged on the main outlet pipeline of the temporary slag storage tank, a branch pipeline is arranged on the main outlet pipeline of the temporary slag storage tank and connected with the slag scraping tank, and the branch pipeline is provided with a valve; the receiving hopper is connected with a second plunger pump system, and the second plunger pump system is connected with the mixer.

4. The tar residue collecting, charging, transporting, discharging and mixing utilization system as claimed in claim 1, wherein: the tar residue moving storage hopper comprises a frame, a hopper body, a balance weight lever and a sealing cover; the bucket body is fixedly connected in the frame, and the side surface of the bucket body is semi-spiral; the balance weight lever and the sealing cover are arranged on a rotating shaft, and the rotating shaft is arranged on the frame; two side surfaces of the frame are respectively provided with a slot, and the bottom of the frame is provided with a column base; the sealing cover is provided with an electric gate valve and a material level meter, a water seal groove is arranged above the electric gate valve, and a sealing ring is arranged on the periphery below the sealing cover.

5. The tar residue collecting, charging, transporting, discharging and mixing utilization system as claimed in claim 1, wherein: the charging sealing device comprises a sealing cover, a metal hose, an exhaust pipe and a first hydraulic cylinder; the sealing cover is fixedly connected to a push rod of the first hydraulic cylinder, an inverted funnel-shaped closing-up is arranged at the top of the sealing cover, a horizontal annular knife beam is arranged at the bottom of the sealing cover, one end of a metal hose is connected with a main pipeline of an outlet of the temporary slag storage tank, and the other end of the metal hose extends into the sealing cover from the closing-up of the sealing cover; one end of the exhaust pipe is connected with the closing-in, and the other end of the exhaust pipe is connected with the negative pressure exhaust pipeline.

6. The tar residue collecting, charging, transporting, discharging and mixing utilization system as claimed in claim 1, wherein: the AGV trolley is characterized in that a plane collision head is arranged in front of the AGV trolley, and a square conical groove is formed in the top surface of the AGV trolley.

7. The tar residue collecting, charging, transporting, discharging and mixing utilization system as claimed in claim 1, wherein: the discharging device comprises a turnover body, a rack and a second hydraulic cylinder; the automatic material receiving device is characterized in that one end of the turnover body is provided with a cutting, the other end of the turnover body is provided with a semicircular gear, the turnover body is hinged to the material receiving hopper, the semicircular gear is meshed with a rack, the rack is fixedly connected to a second hydraulic cylinder push rod, and a second hydraulic cylinder base is fixedly connected to the material receiving hopper.

8. The tar residue collecting, charging, transporting, discharging and mixing utilization system as claimed in claim 1, wherein: the belt conveying group comprises a first belt conveyor, a second belt conveyor and a third belt conveyor; the first belt conveyor, the second belt conveyor and the top feeding port of the mixing machine are connected through a pipeline seal, and the bottom discharging port of the mixing machine is connected with the third belt conveyor through a pipeline seal.

9. The process of the tar residue collection, charging, transportation, discharging and mixing utilization system based on any one of claims 1 to 8 is characterized by comprising the following steps:

1) the tar slag is discharged through a slag discharging port of a slag scraping groove of a tar ammonia water clarifying machine, enters a screw conveyer from a feeding port of the screw conveyer, is conveyed and collected by the screw conveyer, and is discharged into a temporary slag storage groove from a discharging port of the screw conveyer;

2) the tar residue moving storage hopper is placed on the AGV trolley, the AGV trolley drives to the position right below the charging sealing device, an electric gate valve of a tar residue moving storage hopper sealing cover is opened, and a hydraulic cylinder of the charging sealing device pushes a horizontal annular knife beam to move downwards to be inserted into a water seal groove to realize sealing;

3) the tar slag in the temporary slag storage tank is pumped into a metal hose of a charging sealing device through a first plunger pump system through a main pipeline at an outlet of the temporary slag storage tank, and is injected into a tar slag moving storage hopper through the metal hose; measuring the amount of the tar residues in the tar residue moving storage hopper through a level indicator, closing a valve on a main pipeline when the amount of the tar residues reaches a set value, and stopping injecting the tar residues into the tar residue moving storage hopper;

4) closing the electric gate valve of the sealing cover, and driving the horizontal annular knife beam to move upwards by the first hydraulic cylinder of the charging sealing device to leave the water seal tank;

5) if the accumulated water in the temporary slag storage tank exceeds a set value, closing a main pipeline valve at the outlet of the slag storage tank, opening a branch pipeline valve, and pumping the accumulated water into a tar ammonia water clarification mechanical slag scraping tank through a first plunger pump system;

6) the AGV trolley carries the tar residue moving storage hopper to a receiving hopper, inserts the inserting strips of the discharging device into slots on two sides of the tar residue moving storage hopper, drives the tar residue moving storage hopper to turn over by a second hydraulic cylinder of the discharging device, drives a sealing cover of the storage hopper to be opened by a balance weight lever, and pours tar residue in the storage hopper into the receiving hopper;

7) the tar residues in the receiving hopper are pumped into the mixer through a sealed pipeline and a second plunger pump system, various coking coal blends from the coal storage bin are sent into the mixer through a first belt conveyor and a sealed pipeline, and the activated sludge and the coke powder are sent into the mixer through a second belt conveyor and a sealed pipeline;

8) the materials are mixed by the mixer, and the uniformly mixed materials are conveyed to the coal tower through the third belt conveyor.

10. The tar residue collection, loading, transportation, unloading and mixing utilization process according to claim 9, wherein the tar residue, the coke powder and the activated sludge in the step 7 comprise the following three proportions:

1) the weight percentage contents of the tar residue, the coke powder and the activated sludge are as follows: 1.5 percent of coke powder, 1.9 percent of tar residue and 1.2 percent of activated sludge;

2) the activated sludge and the coke powder replace part of lean coal to enter a coal blending system for coking, the adding weight ratio is not more than 2% of the total coke, and the weight ratio of the activated sludge to the coke powder is 1: 3.2;

3) the tar residue replaces 1/3 weight of coking coal and enters a coal blending system for coking, and the adding proportion is 2.5-4.8% of the total coke weight.

Technical Field

The invention relates to the technical field of tar residue treatment in the coking industry, in particular to a system and a process for collecting, loading, transporting, unloading and mixing tar residues.

Background

At present, a large amount of tar residues are generated in the production of coking enterprises. The tar slag is used as a waste, is discharged through a slag discharging port of a tar ammonia water clarifying mechanical slag scraping groove, is collected and treated, and is a common mode adopted by most coking enterprises. Generally, a cement tank is placed below a slag discharging port of a tar ammonia water clarifying tank, tar residues are manually drawn out to a tar residue box, and then the tar residues are conveyed to the tar residue box and placed at a tar residue placing point to be dumped.

Because the viscosity of the tar residue is high, the discharge time is long, a large amount of ammonia gas, naphthalene and other toxic and harmful gases are discharged along with the tar residue, and the tar ammonia water clarifying tank is directly discharged between the slag tap and the cement tank, the environment is greatly polluted, and the health of workers is threatened.

Because the tar residue box is difficult to carry and long in back-and-forth time, a worker contacts the tar residue box in a close range, so that the environment is repeatedly polluted in the transportation process, the actions are complicated when the tar residue is poured, the box body is easily stained with tar, the process for treating the tar residue is lagged behind, the environment pollution is serious, the national requirement on pollutant treatment cannot be met, and the tar residue has no utilization value.

In the coke-oven plant, a large amount of solid wastes such as coke powder, tar residues, activated sludge and the like are respectively generated in the processes of dry coke quenching, tar precipitation and biochemical treatment of sewage. If the solid wastes are not treated and utilized, the solid wastes are randomly stacked, so that the water body, the soil and the environment are polluted, and a large amount of precious resources are wasted.

Disclosure of Invention

In order to solve the technical problems, the invention provides a tar residue collecting, loading, transporting, unloading and mixing utilization system and a tar residue collecting, loading, transporting, unloading and mixing utilization process. The tar residue collection, loading, transportation, unloading and mixing process is completely sealed and harmless, the tar residue collection, loading, transportation, unloading and mixing are mechanized and automated, and the effective utilization of solid wastes such as coke powder, tar residue and activated sludge is realized.

In order to achieve the purpose, the invention adopts the following technical scheme:

a tar residue collection, charging, transportation, discharging and mixing utilization system comprises a screw conveyor, a temporary residue storage tank, a charging sealing device, a tar residue moving storage hopper, an AGV trolley, a discharging device, a receiving hopper, a mixer and a belt conveyor set; the feed inlet of the screw conveyer is hermetically connected with the slag discharge port of the slag scraping groove through a pipeline, and the discharge port of the screw conveyer is hermetically connected with the temporary slag storage groove through a pipeline; the main outlet pipeline of the temporary slag storage tank is hermetically connected with a tar slag mobile storage hopper through a charging sealing device, and the tar slag mobile storage hopper is placed on an AGV trolley; the discharging device moves the tar residue storage hopper to turn over and pours the tar residue into the receiving hopper, the receiving hopper is hermetically connected with the mixer through a pipeline, and the mixer is hermetically connected with the belt conveyor unit through a pipeline.

The top of the temporary slag storage tank is connected with a discharge opening of a screw conveyor in a sealing mode through a pipeline, a hot water pipe is spirally distributed outside the temporary slag storage tank in a spiral mode, a discharge opening at the bottom of the slag storage tank is connected with a gate valve, an expansion joint is connected below the gate valve and is connected with a first plunger pump system, and the first plunger pump system is connected with an outlet main pipeline of the temporary slag storage tank.

A valve is arranged on the main outlet pipeline of the temporary slag storage tank, a branch pipeline is arranged on the main outlet pipeline of the temporary slag storage tank and connected with the slag scraping tank, and the branch pipeline is provided with a valve; the receiving hopper is connected with a second plunger pump system, and the second plunger pump system is connected with the mixer.

The tar residue moving storage hopper comprises a frame, a hopper body, a balance weight lever and a sealing cover; the bucket body is fixedly connected in the frame, and the side surface of the bucket body is semi-spiral; the balance weight lever and the sealing cover are arranged on a rotating shaft, and the rotating shaft is arranged on the frame; two side surfaces of the frame are respectively provided with a slot, and the bottom of the frame is provided with a column base; the sealing cover is provided with an electric gate valve and a material level meter, a water seal groove is arranged above the electric gate valve, and a sealing ring is arranged on the periphery below the sealing cover.

The charging sealing device comprises a sealing cover, a metal hose, an exhaust pipe and a first hydraulic cylinder; the sealing cover is fixedly connected to a push rod of the first hydraulic cylinder, an inverted funnel-shaped closing-up is arranged at the top of the sealing cover, a horizontal annular knife beam is arranged at the bottom of the sealing cover, one end of a metal hose is connected with a main pipeline of an outlet of the temporary slag storage tank, and the other end of the metal hose extends into the sealing cover from the closing-up of the sealing cover; one end of the exhaust pipe is connected with the closing-in, and the other end of the exhaust pipe is connected with the negative pressure exhaust pipeline.

The AGV trolley is characterized in that a plane collision head is arranged in front of the AGV trolley, and a square conical groove is formed in the top surface of the AGV trolley.

The discharging device comprises a turnover body, a rack and a second hydraulic cylinder; the automatic material receiving device is characterized in that one end of the turnover body is provided with a cutting, the other end of the turnover body is provided with a semicircular gear, the turnover body is hinged to the material receiving hopper, the semicircular gear is meshed with a rack, the rack is fixedly connected to a second hydraulic cylinder push rod, and a second hydraulic cylinder base is fixedly connected to the material receiving hopper.

The belt conveying group comprises a first belt conveyor, a second belt conveyor and a third belt conveyor; the first belt conveyor, the second belt conveyor and the top feeding port of the mixing machine are connected through a pipeline seal, and the bottom discharging port of the mixing machine is connected with the third belt conveyor through a pipeline seal.

A tar residue collecting, loading, transporting, unloading and mixing utilization process specifically comprises the following steps:

1) the tar slag is discharged through a slag discharging port of a slag scraping groove of a tar ammonia water clarifying machine, enters a screw conveyer from a feeding port of the screw conveyer, is conveyed and collected by the screw conveyer, and is discharged into a temporary slag storage groove from a discharging port of the screw conveyer;

2) the tar residue moving storage hopper is placed on the AGV trolley, the AGV trolley drives to the position right below the charging sealing device, an electric gate valve of a tar residue moving storage hopper sealing cover is opened, and a hydraulic cylinder of the charging sealing device pushes a horizontal annular knife beam to move downwards to be inserted into a water seal groove to realize sealing;

3) the tar slag in the temporary slag storage tank is pumped into a metal hose of a charging sealing device through a first plunger pump system through a main pipeline at an outlet of the temporary slag storage tank, and is injected into a tar slag moving storage hopper through the metal hose; measuring the amount of the tar residues in the tar residue moving storage hopper through a level indicator, closing a valve on a main pipeline when the amount of the tar residues reaches a set value, and stopping injecting the tar residues into the tar residue moving storage hopper;

4) closing the electric gate valve of the sealing cover, and driving the horizontal annular knife beam to move upwards by the first hydraulic cylinder of the charging sealing device to leave the water seal tank;

5) if the accumulated water in the temporary slag storage tank exceeds a set value, closing a main pipeline valve at the outlet of the slag storage tank, opening a branch pipeline valve, and pumping the accumulated water into a tar ammonia water clarification mechanical slag scraping tank through a first plunger pump system;

6) the AGV trolley carries the tar residue moving storage hopper to a receiving hopper, inserts the inserting strips of the discharging device into slots on two sides of the tar residue moving storage hopper, drives the tar residue moving storage hopper to turn over by a second hydraulic cylinder of the discharging device, drives a sealing cover of the storage hopper to be opened by a balance weight lever, and pours tar residue in the storage hopper into the receiving hopper;

7) the tar residues in the receiving hopper are pumped into the mixer through a sealed pipeline and a second plunger pump system, various coking coal blends from the coal storage bin are sent into the mixer through a first belt conveyor and a sealed pipeline, and the activated sludge and the coke powder are sent into the mixer through a second belt conveyor and a sealed pipeline;

8) the materials are mixed by the mixer, and the uniformly mixed materials are conveyed to the coal tower through the third belt conveyor.

The tar residue, the coke powder and the activated sludge in the step 7 comprise the following three proportions:

1) the weight percentage contents of the tar residue, the coke powder and the activated sludge are as follows: 1.5 percent of coke powder, 1.9 percent of tar residue and 1.2 percent of activated sludge;

2) the activated sludge and the coke powder replace part of lean coal to enter a coal blending system for coking, the adding weight ratio is not more than 2% of the total coke, and the weight ratio of the activated sludge to the coke powder is 1: 3.2;

3) the tar residue replaces 1/3 weight of coking coal and enters a coal blending system for coking, and the adding proportion is 2.5-4.8% of the total coke weight.

Compared with the prior art, the invention has the beneficial effects that:

1. the slag scraping groove of the tar ammonia water clarifying machine is hermetically connected with the screw conveyer through a pipeline, the screw conveyer is hermetically connected with the temporary slag storage groove through a pipeline, the tar slag is loaded into the tar slag movable storage hopper from the temporary slag storage groove through a loading sealing device for sealing, the receiving hopper is hermetically connected with the mixer through a pipeline, and the belt conveyor unit is hermetically connected with the mixer through a pipeline.

The invention realizes the whole sealing of the tar slag from the slag tap of the tar ammonia water clarification mechanical slag scraping groove to the coal blending system, the drainage and the exhaust are both pumped out by pipelines, no waste slag, waste water and waste gas overflow in the whole process, and the whole process realizes harmless treatment and is beneficial to environmental protection.

2. According to the invention, hot water pipes are spirally distributed outside the temporary slag storage tank in a spiral mode, so that materials in the temporary slag storage tank can be heated, a discharge port at the lower part of the slag storage tank is discharged by a pipeline and is connected with a full-sealed electrohydraulic gate valve, and a stainless steel expansion joint is connected below the gate valve to counteract thermal deformation.

3. The main outlet pipeline of the temporary slag storage tank is provided with a branch pipeline connected with the slag scraping tank, and the branch pipeline is provided with a valve; if more water is accumulated in the temporary slag storage tank, the water can be pumped back into the tar ammonia water clarifying mechanical slag scraping tank through the branch pipeline by the first plunger pump system; the exhaust pipe of the charging sealing device is connected with the negative pressure exhaust pipeline of the tar ammonia water clarifying machinery slag scraping groove, so that waste gas is convenient to discharge, and meanwhile, a valve is arranged to prevent gas from leaking out when the device does not work.

4. The top of the tar residue moving storage hopper is provided with a sealing cover, the sealing cover is provided with an electric gate valve and a material level meter, a water seal tank is arranged above the electric gate valve, a sealing ring is arranged on the periphery below the sealing cover, and a charging sealing device is also arranged at the same time; the sealing of the process of filling the tar slag from the temporary slag storage tank into the tar slag moving storage hopper is ensured, and no waste slag, waste water or waste gas overflows.

5. The automatic material loading and unloading device is provided with a loading sealing device, an AGV trolley and an unloading device; the mechanical and automatic whole process of loading the tar slag into the tar slag movable storage hopper from the temporary slag storage tank, transporting the tar slag to the receiving hopper and unloading the tar slag into the receiving hopper from the tar slag movable storage hopper is realized, the labor intensity of operators is reduced, the personal safety of the operators is ensured, and the operation efficiency is improved.

6. The invention adopts the AGV car for transportation, and the AGV car is provided with the electromagnetic automatic guiding device, can run along a specified guiding path, and is a transport car with safety protection and various transfer functions. The three AGVs, a control computer (control console), navigation equipment, charging equipment and peripheral accessory equipment form an AGV system, under the monitoring and task scheduling of the control computer, the AGV trolley can accurately walk according to a specified path, a series of operation tasks are completed after the AGV trolley reaches a task designation position, and the control computer can determine whether to charge the charging area automatically according to the electric quantity of the AGV.

7. The tar slag removes the storage hopper and is equipped with the column foot and supports the storage hopper, has the square frustum of falling on the AGV dolly frame, and the bottom of square frustum is column foot size +1 mm's tolerance, can remove the storage hopper and put down on the AGV dolly frame, and automatic centering needn't utilize various detecting instrument to confirm whether the storage hopper resets.

8. The planar collision head is made just ahead of AGV dolly frame, and width both sides at 1 meter are 60 degrees oblique angles for the +/-, and on target area's subaerial, install guide frame and positioning groove, can guarantee that the parking precision of AGV dolly is not more than 10 mm's scope. Therefore, the parking precision of the AGV trolley is ensured, and the cost investment of various measurement and remote control equipment for positioning precision is reduced.

9. The invention effectively utilizes the tar residues, the coke powder and the activated sludge to coke and blend coal, changes waste into valuable, avoids polluting water and soil, fully utilizes resources and brings huge economic and social benefits.

Drawings

FIG. 1 is a schematic front view of the structure of a collecting and charging part of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic side view of the structure of the collecting and charging portion of the present invention;

FIG. 4 is a schematic front view of the structure of the tar slag mobile storage hopper and the AGV of the present invention;

FIG. 5 is a schematic side view of the structure of the tar slag moving storage hopper and the AGV of the present invention;

FIG. 6 is a schematic top view of the structure of the tar slag mobile storage hopper and the AGV of the present invention;

FIG. 7 is a schematic structural diagram of a tar slag mobile storage hopper, an AGV trolley, a discharging device and a receiving hopper.

FIG. 8 is a schematic structural view of a discharging and mixing part of the present invention.

In the figure: 1-shaftless screw conveyor; 2-temporary slag storage tank; 3-a charging sealing device; 4-the tar residue moves the storage hopper; 5-AGV dolly; 6-a discharging device; 7-a material receiving hopper; 8-a double helix mixer; 9-tar ammonia water clarification mechanical slag scraping tank; 10-a first plunger pump system; 11-a negative pressure exhaust gas conduit; 12-a first belt conveyor; 13-a second belt conveyor; 14 a third belt conveyor; 15-a second plunger pump system; 21-hot water pipe; 22-full-sealed electro-hydraulic gate valve; 23-an expansion joint; 101-an electric ball valve; 31-a sealing cover; 32-metal hose; 33-an exhaust pipe; 34-a first hydraulic cylinder; 41-a frame; 42-a bucket body; 43-a counterweight lever; 44-a sealing cover; 441-electric gate valve; 442-water seal tank; 45-slot; 46-column base; 47-a rotating shaft; 51-a conical groove; 52-head collision; 61-a rack; 62-a second hydraulic cylinder; 63-cutting; 64-semi-circular gear;

Detailed Description

Example (b):

the following further describes embodiments of the present invention with reference to the accompanying drawings:

as shown in fig. 1-8, a tar residue collection, loading, transportation, unloading, mixing utilization system comprises a shaftless screw conveyor 1, a temporary residue storage tank 2, a loading sealing device 3, a tar residue moving storage hopper 4, an AGV cart 5, an unloading device 6, a receiving hopper 7, a double-screw mixer 8, a first plunger pump system 10, a first belt conveyor 12, a second belt conveyor 13 and a third belt conveyor 14.

Be equipped with 2 shaftless screw conveyer 1, 4 two bisymmetry distributions in the sediment groove 9 are scraped to tar aqueous ammonia clarification machinery, the slag tap that the left 2 left tar aqueous ammonia clarification machinery scraped sediment groove 9 respectively through 2 pan feeding mouths in 1 top of the shaftless screw conveyer of phi 159 pipe seal connection, the slag tap that the 2 right side tar aqueous ammonia clarification machinery scraped sediment groove 9 respectively through two pan feeding mouths in 1 top of the shaftless screw conveyer on phi 159 pipe seal connection right side, the shaftless screw conveyer of left and right sides 1 discharge opening respectively with the pan feeding mouth at 2 tops of interim sediment groove through phi 159 pipe seal continuous, the material is unified by shaftless screw conveyer 1 discharge opening and is collected interim sediment groove 2.

The outside of the temporary slag storage tank 2 is spirally distributed with hot water pipes 21 for heating. The lower discharge port of the slag storage tank is discharged by a phi 450 pipeline, and is connected with a 450 full-sealed electrohydraulic gate valve 22, and a stainless steel expansion joint 23 is connected below the gate valve to counteract thermal deformation.

The diameter of the lower part of the expansion joint 23 is changed into phi 219, the pipeline enters the first plunger pump system 10, the first plunger pump system 10 adopts an ASBN-7 type secondary structure plunger pump system, and the first plunger pump system 10 can stably pump out semi-solid semi-liquid viscous liquid such as tar residues and the like, lift and convey the tar residues. The first plunger pump system 10 is connected with an outlet main pipeline of the temporary slag storage tank 2, the outlet main pipeline of the temporary slag storage tank 2 is a phi 70 steel pipe, and branch pipelines are arranged and are also phi 70 steel pipes.

Electric ball valves 101 are arranged on the main pipeline of the outlet of the temporary slag storage tank 2 and the branch pipelines, when the supplied materials are tar residues, the electric ball valves 101 on the main pipeline are opened, the electric ball valves 101 on the branch pipelines are closed, and the tar residues pass through; when the supplied materials are water or the accumulated water in the temporary slag storage tank 2 is more, the electric ball valve 101 on the main pipeline is closed, the electric ball valve 101 on the branch pipeline is opened, and the accumulated water is pumped back to the tar ammonia water clarification machinery through the first plunger pump system 10 through the branch pipeline to scrape the slag tank 9.

The tar residue moving storage hopper 4 includes a frame 41, a hopper body 42, a weight lever 43, and a seal cover 44. Six column feet 46 are arranged at the bottom of the frame 41 to support the storage hopper, six 45-degree inverted square conical grooves 51 are formed in the frame of the AGV trolley 5, the bottom of each square conical groove 51 is the tolerance of the size of each column foot 46 plus 1mm, and when the tar slag moving storage hopper 4 is put down on the frame of the AGV trolley 5, the tar slag moving storage hopper can be automatically centered, and whether the storage hopper is reset or not does not need to be determined by using various detection instruments.

The bucket body 42 is fixedly connected in the frame 41, and the side surface of the bucket body 42 is semi-spiral, so that tar residues can be poured out conveniently. Two side surfaces of the frame 41 are respectively provided with a slot 45, and the tar residue moving storage hopper 4 is fixed when toppling.

A rotating shaft 47 is arranged at the right-angle side of the outer side of the tar residue moving storage hopper frame 41, one end of the rotating shaft 47 is fixed with a tar residue moving storage hopper sealing cover 44, and the other end of the rotating shaft is fixed with a balance weight lever 43. The seal 44 is thus fully opened as the tar residue moves the dumping of the storage hopper 4.

The tar residue moving storage hopper sealing cover 44 is provided with an electric gate valve 441, the electric gate valve 441 is opened, and a hole large enough to ensure the discharge of tar residue, the collection of waste gas and the negative pressure discharge is exposed. A water seal groove 442 is arranged above the electric gate valve 441 on the sealing cover of the tar residue moving storage hopper. The rubber sealing ring is bonded to the part of the periphery of the lower part of the sealing cover 44 of the tar residue moving storage hopper, which is intersected with the storage hopper body, so that the storage hopper is tightly sealed. The sealing cover 44 of the tar residue moving storage hopper is provided with a lightning charge level indicator for measuring the storage amount of the tar residue in the tar residue moving storage hopper, and the tar residue stops feeding after the material level requirement is met.

The charging seal device 3 includes a seal cover 31, a metal hose 32, an exhaust pipe 33, and a first hydraulic cylinder 34. The sealing cover 31 is fixedly connected to a push rod of the first hydraulic cylinder 34, an inverted funnel-shaped closing-up is arranged at the top of the sealing cover 31, a horizontal annular knife beam is arranged at the bottom of the sealing cover 31, one end of the metal hose 32 is connected with the main outlet pipeline of the temporary slag storage tank 2, and the other end of the metal hose extends into the sealing cover 31 from the closing-up of the sealing cover; the exhaust pipe 33 is made of a metal hose, one end of which extends into the closing port, and the other end of which is connected with the negative pressure exhaust gas pipeline 11. The horizontal annular knife beam is inserted into the water seal groove 442 for sealing.

The planar collision head 52 is made just ahead of 5 frames of AGV dolly, and the width both sides of 1 meter are 60 degrees oblique angles, and on the subaerial of target area, install guide frame and positioning groove, can guarantee that the parking precision of AGV dolly is not more than 10 mm's scope. Therefore, the parking precision of the AGV trolley is ensured, and the cost investment of various measurement and remote control equipment for positioning precision is reduced.

The AGV 5 is equipped with an electromagnetic automatic guide device, can travel along a predetermined guide path, and has a safety protection function and various transfer functions. The three AGVs, a control computer (control console), navigation equipment, charging equipment and peripheral accessory equipment form an AGV system, under the monitoring and task scheduling of the control computer, the AGV trolley 5 can accurately walk according to a specified path, a series of operation tasks are completed after the AGV trolley reaches a task designation position, and the control computer can determine whether to charge the charging area automatically according to the electric quantity of the AGV.

The AGV trolley 5 adopts two rear wheels to independently drive differential steering, and two front wheels are four-wheel structural forms of universal wheels. The stepping motor provides driving force through the driving wheel after passing through the speed reducer, and differential steering can be realized when the two wheels have different moving speeds.

The AGV trolley 5 comprises a chassis, a frame, a shell, a control room and corresponding mechanical and electrical structures such as a reduction gearbox, an integrated closed-loop stepping motor, wheels and the like, and is a basic part of the AGV trolley 5. Has the structural characteristics of an electric vehicle and special requirements of unmanned automatic operation. The frame is formed by welding steel members, and the lower the gravity center is, the more favorable the anti-tipping performance is. The board surface is provided with a transfer device, an electric control system, keys, a display screen and the like.

And the frame is a body part of the whole AGV trolley 5 and is mainly used for mounting wheels, a light sensor, a servo motor and a speed reducer. A servo motor driver, a PCD plate and a storage battery are arranged on the frame. The frame is made of cast aluminum alloy and is 6061, so that the frame has enough strength and hardness, light weight and good weldability.

And thirdly, the wheel adopts a solid rubber tire. Two driving wheels at the back of the bicycle body are fixed driving wheels and are connected with a hub type motor. The front two follow-up wheels are rotary follow-up wheels and play a role in supporting and balancing the trolley.

And fourthly, in order to avoid collision of the AGV when a system fails or a person passes through the working route of the AGV, the AGV generally is provided with devices for obstacle detection, collision avoidance, warning sound, warning vision, emergency stop and the like. In addition, there are auxiliary devices such as automatic charging.

And fifthly, the control console adopts a common PC, receives the AGV trolley 5 conveying tasks issued by the main control computer through a computer network, and acquires the state information of each AGV trolley 5 in real time through a wireless communication system. And transmitting the dispatching command to the selected AGV trolleys 5 according to the demand condition and the current running condition of each AGV trolley. After completing one transportation task, the AGV car 5 waits for the next task at the standby station. In order to accelerate the wireless communication between the control console and the AGV trolley 5 and the dispatching of the AGV trolley 5 on the basis, a multithreading mode is adopted in programming, so that functional modules such as communication, dispatching and the like are not influenced mutually, and the system speed is accelerated.

The communication system receives the command from the monitoring system and sends it to other subsystems timely and accurately to complete the action appointed by the monitoring system, and receives the feedback information from each subsystem and sends it back to the monitoring system as the basis for coordination, management and control of the monitoring system.

The AGV navigation system has the function of ensuring that the AGV trolley 5 travels along a correct path and ensures certain traveling precision. The AGV car adopts a fixed route guidance mode of an electromagnetic guidance mode.

And the AGV trolley 5 adopts a storage battery as the only power supply for use. Used for driving the vehicle body and the auxiliary devices on the vehicle, such as control, communication, safety and the like.

The discharging device 6 comprises a turnover body, a rack 61 and a second hydraulic cylinder 62; one end of the turning body is provided with an inserting strip 63, the other end of the turning body is provided with a semicircular gear 64, the turning body is hinged on the material receiving hopper 7, the semicircular gear 64 is meshed with the rack 61, the rack 61 is fixedly connected on the push rod of the second hydraulic cylinder 62, and the base of the second hydraulic cylinder 62 is fixedly connected on the material receiving hopper 7. The rack 61 is driven by the second hydraulic cylinder 62 to stretch out and draw back, the rack 61 extends out to drive the semicircular gear 64 to rotate, the tar residue moves the storage hopper 4 to be driven by the cutting 63, the storage hopper naturally turns over by taking the gear 64 as the center of circle, the sealing cover 44 of the storage hopper is driven by the counterweight lever 43 to be opened, and the tar residue in the storage hopper is completely poured out.

The outside of the material receiving hopper 7 is spirally distributed with hot water pipes for heating. A discharge opening at the bottom of the receiving hopper is connected with a phi 219 pipeline and enters a second plunger pump system 15, the second plunger pump system 15 adopts an ASBN-7 type secondary structure plunger pump system, and the second plunger pump system 15 pumps the tar residues into a tar residue feeding opening of a double-helix mixer 8 through a DN80 flange type metal hose. The second plunger pump system 15 may perform the function of metering the weight of the tar residue.

The belt conveying group comprises a first belt conveyor 12, a second belt conveyor 13 and a third belt conveyor 14; the first belt conveyor 12, the second belt conveyor 13 and the feeding port at the top of the double-screw mixer 8 are connected through a pipeline seal, and the discharging port at the bottom of the double-screw mixer 8 is connected with the third belt conveyor 14 through a pipeline seal.

A tar residue collecting, loading, transporting, unloading and mixing utilization process specifically comprises the following steps:

1) the tar slag is discharged through a slag discharge port of the slag scraping groove 9 of the tar ammonia water clarifying machine, enters the shaftless screw conveyor 1 from a feed port of the shaftless screw conveyor 1, is conveyed and collected by the shaftless screw conveyor 1, and is uniformly discharged into the temporary slag storage groove 2 through a discharge port of the shaftless screw conveyor 1.

2) The tar residue moving storage hopper 4 is placed on the AGV trolley 5, the AGV trolley 5 is driven to be right below the charging sealing device 3, the tar residue moving storage hopper 4 sealing cover 44 is opened through the electric gate valve 441, and the first hydraulic cylinder 34 of the charging sealing device pushes the horizontal annular knife beam to move downwards to be inserted into the water seal groove 442, so that sealing is realized;

3) the tar slag in the temporary slag storage tank 2 is pumped into a metal hose 32 of the charging sealing device 3 through a main pipeline of an outlet of the temporary slag storage tank through a first plunger pump system 10, and is injected into a tar slag moving storage hopper 4 through the metal hose 32; measuring the amount of the tar residue in the tar residue moving storage hopper through a level indicator, closing an electric ball valve 101 on a main pipeline when the amount of the tar residue in the tar residue moving storage hopper reaches a set value, and stopping injecting the tar residue into the tar residue moving storage hopper;

4) the electric gate valve 441 of the sealing cover 44 is closed, and the first hydraulic cylinder 34 of the charging sealing device drives the horizontal annular knife beam to move upwards to leave the water sealing groove 442;

5) if the accumulated water in the temporary slag storage tank 2 exceeds a set value, closing the main pipeline electric ball valve 101 at the outlet of the temporary slag storage tank, opening the branch pipeline electric ball valve 101, and pumping the accumulated water into the tar ammonia water clarifying mechanical slag scraping tank 9 through the first plunger pump system 10;

6) the AGV trolley 5 carries the tar slag moving storage hopper 4 to drive to the receiving hopper 7, the inserting strips 63 of the discharging device 6 are inserted into the slots 45 at two sides of the tar slag moving storage hopper 4, the second hydraulic cylinder 62 of the discharging device drives the tar slag moving storage hopper 4 to turn over, the sealing cover 44 of the storage hopper is driven by the counterweight lever 43 to be opened, and tar slag in the storage hopper is poured into the receiving hopper 7;

7) the tar residue in the receiving hopper 7 is pumped into the double helix mixer 8 through a second plunger pump system 15 through a sealed pipeline;

various coal blending for coking from 32 coal storage bins, such as: lignite, long-flame coal, gas coal, fat coal, coking coal, lean coal, anthracite and the like. Quantitatively discharging various kinds of coal collected by a disk feeder onto a first belt conveyor 12 according to the proportion required by coking, and enabling the various kinds of coal to enter a main inlet of a double-helix mixer 8 through the first belt conveyor 12;

the activated sludge enters a sludge concrete bin after the processes of dehydration, drying and the like of the sludge treatment system, and the coke powder enters a coke powder concrete bin after being collected. The two materials are quantitatively discharged onto a second belt conveyor 13 by a disc feeder respectively and are conveyed into the double-helix mixer 8 through the second belt conveyor 13;

8) the materials are mixed by a double-screw mixer 8, the uniformly mixed materials are conveyed by a third belt conveyor 14, the third belt conveyor 14 temporarily stores the mixed coal and solid waste into a coal tower through a fully-sealed rotary distributor, and the coal is ready to be charged and coked.

According to the characteristics of the solid wastes, the coal blending and coking are carried out by adding the solid wastes (the tar residues and the activated sludge) in a proper proportion under the premise of not influencing the coke quality in combination with the actual situation on site. The result shows that the coal blending and coking are feasible by adding a proper amount of solid waste.

On the premise of ensuring the coke quality, the following matching results are obtained through experiments:

A. the optimal addition amounts (in the total coke weight ratio) of the tar residue, the coke powder and the activated sludge are as follows in sequence: coke powder: 1.5 percent; 1.9 percent of tar residue; activated sludge; 1.2 percent.

B. The activated sludge and the coking fly ash can replace part of lean coal to enter a coal blending system for coking, the adding weight proportion is generally not more than 2% of total coke, and the adding weight proportion between the activated sludge and the coking fly ash is 1: preferably 3.2.

C. The tar residues can replace part of 1/3 coking coal to enter a coal blending system for coking, the addition weight proportion is 2.5-4.8% of total coke, and the lump coke rate of the coke can be obviously improved by reducing the granularity of the tar residues on the premise of not influencing the quality of the coke. If grinding equipment is added in the system to ensure that the granularity of the tar residue is less than 0.25mm, the quality of the coke can be guaranteed.

The invention realizes the full sealing and harmlessness of the gathering, charging, transporting, discharging and mixing processes of the tar residues, realizes the mechanization and automation of the gathering, charging, transporting, discharging and mixing of the tar residues, and realizes the effective utilization of solid wastes such as coke powder, the tar residues, activated sludge and the like.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.