CN209816038U

CN209816038U - Novel loading system of coal catalytic gasification catalyst

Info

Publication number: CN209816038U
Application number: CN201920474752.XU
Authority: CN
Inventors: 张建民
Original assignee: Xinneng Energy Co Ltd
Current assignee: Xinneng Energy Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2019-12-20
Anticipated expiration: 2029-04-09

Abstract

The utility model discloses a novel loading system of a coal catalytic gasification catalyst, which comprises a coal bunker, a catalyst storage tank, a weighing feeder, a catalyst loader, a fluidized bed dryer and a finished product bunker; the discharge port of the coal bunker is communicated with the feed port of the weighing feeder, and the discharge port of the weighing feeder is communicated with the feed port of the catalyst loader; the discharge port of the catalyst storage tank is communicated with the catalyst inlet of the catalyst loader through a catalyst pipe, and a flowmeter and an adjusting valve are arranged on the catalyst pipe; the discharge port of the catalyst loader is communicated with the feed port of the fluidized bed dryer, and the discharge port of the fluidized bed dryer is communicated with the finished product bin. The utility model discloses a set up the catalyst loader, send into catalyst loader with raw materials coal and catalyst in proportion, after intensive mixing, obtain the finished product coal behind the load catalyst, not only can the accurate control mix concentration, load effect is good, and is little for the dipping method catalyst quantity moreover, has reduced the dry work load in later stage.

Description

Novel loading system of coal catalytic gasification catalyst

The technical field is as follows:

the utility model relates to a load system especially relates to a novel load system of coal catalytic gasification catalyst.

Background art:

the coal catalytic gasification technology is an important way for clean and efficient utilization of coal. The coal catalytic gasification technology refers to the action of coal on catalystReacting with water vapor at 700-750 ℃ under the working condition of 3.0-4.5 MPa to generate CO and CH₄、H₂And the like.

In the prior art, a potassium-based catalyst solution such as potassium carbonate or potassium hydroxide is usually adopted in the coal catalytic gasification process for catalyst loading by an impregnation method, namely, solid-phase material raw coal is directly soaked in the potassium-based catalyst solution such as potassium carbonate or potassium hydroxide for loading, and then is dried to meet the process moisture requirement; not only the catalyst dosage is large, but also the mixing concentration can not be controlled well, and the drying of the raw material coal mixture is difficult; in addition, the catalyst solution has certain corrosivity, so that equipment is easily damaged, and the normal operation of the equipment is seriously influenced.

The utility model has the following contents:

an object of the utility model is to provide a mix effectual coal catalytic gasification catalyst load system.

The utility model discloses by following technical scheme implement: a novel loading system of a coal catalytic gasification catalyst comprises a coal bunker, a catalyst storage tank, a weighing feeder, a catalyst loader, a fluidized bed dryer and a finished product bunker;

the discharge hole of the coal bunker is communicated with the feed inlet of the weighing feeder, and the discharge hole of the weighing feeder is communicated with the feed inlet of the catalyst loader;

the discharge port of the catalyst storage tank is communicated with the catalyst inlet of the catalyst loader through a catalyst pipe, and a flowmeter and an adjusting valve are arranged on the catalyst pipe;

and the discharge hole of the catalyst loader is communicated with the feed inlet of the fluidized bed dryer, and the discharge hole of the fluidized bed dryer is communicated with the finished product bin.

Further, the catalyst loader comprises a horizontally arranged cylindrical barrel and a rotating shaft horizontally arranged in the barrel, wherein the rotating shaft is provided with a helical blade, sealing plates are fixedly arranged at two open ends of the barrel, and two ends of the rotating shaft respectively penetrate through the two sealing plates; a motor is fixedly arranged on the outer wall of the cylinder body and is in transmission connection with the rotating shaft;

the one end upside of barrel is equipped with the feed inlet, the other end downside of barrel is equipped with the feed opening, is being close to the barrel of feed inlet one end is equipped with a plurality of catalyst imports in week.

Further, the fluidized bed dryer further comprises a dust remover, an air outlet of the fluidized bed dryer is communicated with an air inlet of the dust remover, and a discharge hole of the dust remover is communicated with the finished product bin.

The utility model has the advantages that: the utility model discloses a set up the catalyst loader, send into catalyst loader with raw materials coal and catalyst in proportion, after intensive mixing, obtain the finished product coal behind the load catalyst, not only can the accurate control mix concentration, load effect is good, and is little for the dipping method catalyst quantity moreover, has reduced the dry work load in later stage.

Through the utility model discloses during the load catalyst, it is less relatively with the interior catalyst that gets into catalyst loader fluidized bed dryer, has reduced the corruption of loader to equipment to a certain extent, has avoided equipment frequent damage to influence normal operating.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of the system of the present embodiment;

FIG. 2 is a schematic view of the structure of the catalyst loader of the present embodiment;

fig. 3 is a right side view of fig. 2.

In the figure: coal bunker 1, catalyst storage tank 2, weighing feeder 3, catalyst loader 4, barrel 4.1, pivot 4.2, helical blade 4.3, shrouding 4.4, motor 4.5, feed inlet 4.6, feed opening 4.7, catalyst import 4.8, fluidized bed dryer 5, finished product storehouse 6, dust remover 7, catalyst pipe 8, flowmeter 9, governing valve 10.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A novel loading system of a coal catalytic gasification catalyst comprises a coal bunker 1, a catalyst storage tank 2, a weighing feeder 3, a catalyst loader 4, a fluidized bed dryer 5, a finished product bunker 6 and a dust remover 7;

the catalyst loader 4 comprises a horizontally arranged cylindrical barrel 4.1 and a rotating shaft 4.2 horizontally arranged in the barrel 4.1, wherein the rotating shaft 4.2 is provided with a helical blade 4.3, two opening ends of the barrel 4.1 are fixedly provided with sealing plates 4.4, and two ends of the rotating shaft 4.2 respectively penetrate through the two sealing plates 4.4; a motor 4.5 is fixedly arranged on the outer wall of the cylinder 4.1, and the motor 4.5 is in transmission connection with a rotating shaft 4.2; a feed inlet 4.6 is arranged at the upper side of one end of the cylinder body 4.1, a feed opening 4.7 is arranged at the lower side of the other end of the cylinder body 4.1, and a plurality of catalyst inlets 4.8 are arranged on the circumference of the cylinder body 4.1 at one end close to the feed inlet 4.6.

The discharge hole of the coal bunker 1 is communicated with the feed inlet 4.6 of the weighing feeder 3, and the discharge hole of the weighing feeder 3 is communicated with the feed inlet 4.6 of the catalyst loader 4;

the discharge port of the catalyst storage tank 2 is communicated with a catalyst inlet 4.8 of the catalyst loader 4 through a catalyst pipe 8, and a flowmeter 9 and an adjusting valve 10 are arranged on the catalyst pipe 8;

the discharge port of the catalyst loader 4 is communicated with the feed port 4.6 of the fluidized bed dryer 5, the discharge port of the fluidized bed dryer 5 is communicated with the finished product bin 6, the gas outlet of the fluidized bed dryer 5 is communicated with the gas inlet of the dust remover 7, and the discharge port of the dust remover 7 is communicated with the finished product bin 6.

By arranging the catalyst loader 4, raw material coal and a catalyst are fed into the catalyst loader 4 in proportion, and the raw material coal and the catalyst are fully mixed to obtain finished coal loaded with the catalyst, so that the mixing concentration can be accurately controlled, the loading effect is good, the catalyst consumption is small compared with an impregnation method, and the workload of later drying is reduced.

When the catalyst is loaded by the embodiment, the catalyst entering the fluidized bed dryer 5 of the catalyst loader 4 and the catalyst in the fluidized bed dryer are relatively less, so that the corrosion of the loading machine to equipment is reduced to a certain degree, and the influence on the normal operation caused by the frequent damage of the equipment is avoided.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel loading system of a coal catalytic gasification catalyst is characterized by comprising a coal bin, a catalyst storage tank, a weighing feeder, a catalyst loader, a fluidized bed dryer and a finished product bin; the discharge hole of the coal bunker is communicated with the feed inlet of the weighing feeder, and the discharge hole of the weighing feeder is communicated with the feed inlet of the catalyst loader;

2. The novel loading system of the coal catalytic gasification catalyst as claimed in claim 1, wherein the catalyst loader comprises a horizontally arranged cylindrical barrel and a rotating shaft horizontally arranged in the barrel, the rotating shaft is provided with helical blades, two sealing plates are fixedly arranged at two open ends of the barrel, and two ends of the rotating shaft respectively penetrate through the two sealing plates; a motor is fixedly arranged on the outer wall of the cylinder body and is in transmission connection with the rotating shaft;

3. The novel loading system of the coal catalytic gasification catalyst as claimed in claim 1 or 2, further comprising a dust remover, wherein the gas outlet of the fluidized bed dryer is communicated with the gas inlet of the dust remover, and the discharge port of the dust remover is communicated with the finished product bin.