CN218455849U

CN218455849U - Automatic control system for fuel moisture

Info

Publication number: CN218455849U
Application number: CN202223098347.3U
Authority: CN
Inventors: 何文军; 李志平; 刘献纲
Original assignee: Wannian County Green Shell New Energy Co ltd
Current assignee: Wannian County Green Shell New Energy Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-02-07
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to a fuel control field discloses a fuel moisture automatic control system, including first band conveyer, first band conveyer's both sides wall leans on the upper end punishment to be provided with three moisture analysis instrument and three fender coal structure respectively, first band conveyer's lower extreme leans on one side department to be provided with third band conveyer, third band conveyer's upper end is provided with sealed apron, sealed apron's lower extreme fixed connection is on third band conveyer's both sides wall. The utility model discloses in, upwards carry coal through first band conveyer, utilize moisture analysis instrument to detect the coal that comes in the transmission, whether fuel moisture is up to standard 8 ~ 20%, when inside moisture is greater than 20 percent, thereby keep off the coal board and push down the coal on with first band conveyer and push away to both sides, fall in the hopper of lower extreme, be convenient for detect the inside moisture composition of coal, improve holistic combustion efficiency.

Description

Automatic control system for fuel moisture

Technical Field

The utility model relates to a fuel control field especially relates to a fuel moisture automatic control system.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, the hot water or the steam generated in the boiler can directly provide heat energy required by industrial production and people's life, the hot water or the steam can be converted into mechanical energy through a steam power device, or the mechanical energy is converted into the electric energy through a generator.

However, the existing boiler still has some disadvantages when the fuel is conveyed, most of the existing fuel is conveyed into the boiler directly by a conveyor belt in the conveying process, and when the water content in the fuel is partially judged by manual operation, the efficiency is low and the normal use of the boiler is influenced, so that the combustion efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the fuel moisture automatic control system who proposes, upwards carry coal through first band conveyer, utilize moisture analysis instrument to detect the coal that comes in the transmission, whether fuel moisture is up to standard 8 ~ 20%, when inside moisture is greater than 20 percent, thereby keep off the coal board and push away the coal on the first band conveyer to both sides, fall in the hopper of lower extreme, convey the upper end of third band conveyer with unqualified coal through the hopper, utilize air heater to draw dry high temperature air and let in third band conveyer, a coal-fired that is used for dry moisture to exceed standard, fuel after the drying gets back to first band conveyer and redetects the coal-fired moisture, moisture reaches standard, fuel carries on the second band conveyer of lower extreme and carries boiler room coal scuttle department through the hopper.

In order to achieve the above purpose, the utility model provides a following technical scheme: an automatic control system for fuel moisture comprises a first belt conveyor, wherein three moisture analysis instruments and three coal blocking structures are respectively arranged on two side walls of the first belt conveyor close to the upper end of the first belt conveyor, a third belt conveyor is arranged on one side of the lower end of the first belt conveyor close to one side of the first belt conveyor, a sealing cover plate is arranged on the upper end of the third belt conveyor, the lower end of the sealing cover plate is fixedly connected to two side walls of the third belt conveyor, an air preheater is arranged on the lower end of the center of one side wall of the sealing cover plate, and one end of the air preheater penetrates through one side wall of the sealing cover plate and is communicated to the inside of the sealing cover plate;

the coal blocking structure comprises two hydraulic telescopic rods, the side walls of the two hydraulic telescopic rods are respectively and fixedly connected to the two side walls of the first belt conveyor, and the upper ends of the two hydraulic telescopic rods are fixedly connected with a coal blocking plate;

through the technical scheme, upwards carry coal through first band conveyer, utilize moisture analysis instrument to detect the coal that comes in the transmission, whether fuel moisture is up to standard 8 ~ 20%, when inside moisture is greater than 20%, thereby keep off coal board and push away the coal on the first band conveyer to both sides, fall in the hopper of lower extreme, convey unqualified coal to the upper end of third band conveyer through the hopper, utilize air heater to draw dry high temperature air and let in third band conveyer, be used for the fire coal that dry moisture exceeds standard, fuel after the drying gets back to first band conveyer again and detects fire coal moisture again, moisture reaches standard, fuel carries on the second band conveyer of lower extreme and carries boiler room coal scuttle department through the hopper.

Further, the shape of the coal baffle plate can be a shape larger than or smaller than a number;

through above-mentioned technical scheme, be favorable to keeping off coal.

Further, two hoppers are arranged at the lower end of the front side of the first belt conveyor;

through above-mentioned technical scheme, be convenient for collect the coal of carrying down from first band conveyer.

Further, a second belt conveyor is arranged at the lower end of the hopper close to the front side;

through above-mentioned technical scheme, be convenient for collect the coal that is not conform to the moisture requirement that drops on the first belt conveyor.

Further, a discharge hole of the hopper close to the rear side is positioned at the upper end of the third belt conveyor;

through the technical scheme, qualified coal is convenient to convey and inspect.

Furthermore, the three coal blocking structures are in asynchronous control;

through the technical scheme, the coal can be pushed conveniently for multiple times.

Furthermore, the three moisture analysis instruments are respectively electrically connected with the three coal blocking structures;

through the technical scheme, the moisture analysis instruments of different parts can conveniently control the coal blocking structures of corresponding parts to block unqualified coals after detecting the unqualified coals.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, upwards carry coal through first band conveyer, utilize moisture analysis instrument to detect the coal that comes in the transmission, whether fuel moisture is up to standard 8 ~ 20%, when inside moisture is greater than 20 percent, thereby keep off the coal board and push down coal on with first band conveyer and push away to both sides, fall in the hopper of lower extreme, be convenient for detect the inside moisture composition of coal, improve holistic combustion efficiency.

2. The utility model discloses in, convey unqualified coal to third band conveyer's upper end through the hopper, utilize air heater to draw dry high temperature air and let in third band conveyer, a coal-fired for dry moisture exceeds standard, the fuel after the drying gets back to first band conveyer and detects coal-fired moisture again, moisture reaches standard, the fuel is carried on the second band conveyer of lower extreme and is carried boiler room coal scuttle department through the hopper, be convenient for dry and the drying process to the coal that inside moisture exceeds standard.

Drawings

Fig. 1 is a schematic overall flow chart of an automatic fuel moisture control system according to the present invention;

fig. 2 is a top view of a first belt conveyor of an automatic fuel moisture control system according to the present invention;

fig. 3 is a partial side view of a first belt conveyor of an automatic fuel moisture control system according to the present invention;

fig. 4 is a front view of a third belt conveyor of the automatic control system for fuel moisture according to the present invention.

Illustration of the drawings:

1. a moisture analysis instrument; 2. a coal baffle plate; 3. sealing the cover plate; 4. a first belt conveyor; 5. a hopper; 6. a second belt conveyor; 7. a third belt conveyor; 8. a hydraulic telescopic rod; 9. an air preheater.

Detailed Description

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a fuel moisture automatic control system, including first band conveyer 4, the both sides wall of first band conveyer 4 leans on upper end punishment to be provided with three moisture analytical instrument 1 and three fender coal structure respectively, the lower extreme of first band conveyer 4 leans on one side department to be provided with third band conveyer 7, the upper end of third band conveyer 7 is provided with sealed apron 3, the lower extreme fixed connection of sealed apron 3 is on the both sides wall of third band conveyer 7, a lateral wall center of sealed apron 3 leans on lower extreme department to be provided with air heater 9, one end of air heater 9 runs through a lateral wall of sealed apron 3 and leads to inside.

Keep off the coal structure and include two hydraulic telescoping rod 8, two hydraulic telescoping rod 8's lateral wall difference fixed connection is on first band conveyer 4's both sides wall, two hydraulic telescoping rod 8's upper end fixedly connected with keeps off coal board 2, keep off coal board 2's shape can be for being greater than No. or being less than No. the shape, the lower extreme that is located first band conveyer 4 front side is provided with two hoppers 5, the lower extreme that leans on front side hopper 5 is provided with second band conveyer 6, the discharge gate that leans on rear side hopper 5 is located the upper end of third band conveyer 7, three fender coal structure is asynchronous control, three moisture analytical instrument 1 respectively with three fender coal structure electric connection.

The working principle is as follows: the utility model relates to a fuel moisture automatic control system, upwards carry the coal through first band conveyer 4 during the use, utilize moisture analysis instrument 1 to detect the coal that comes in the transmission, whether fuel moisture is up to standard 8 ~ 20%, when inside moisture is greater than hundredth 20, thereby keep off coal board 2 and push down coal on with first band conveyer 4 and push away to both sides, fall in hopper 5 of lower extreme, convey the upper end of third band conveyer 7 with unqualified coal through hopper 5, utilize air heater 9 to draw dry high temperature air and let in third band conveyer 7, a coal-fired for dry moisture exceeds standard, fuel after the drying gets back to first band conveyer 4 and detects coal-fired moisture again, moisture reaches the standard, fuel carries on the second band conveyer 6 of lower extreme and carries boiler room coal scuttle department through hopper 5.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. An automatic control system for fuel moisture comprises a first belt conveyor (4), and is characterized in that: three moisture analysis instruments (1) and three coal blocking structures are respectively arranged at the positions, close to the upper ends, of two side walls of the first belt conveyor (4), a third belt conveyor (7) is arranged at the position, close to one side, of the lower end of the first belt conveyor (4), a sealing cover plate (3) is arranged at the upper end of the third belt conveyor (7), the lower end of the sealing cover plate (3) is fixedly connected to the two side walls of the third belt conveyor (7), an air preheater (9) is arranged at the position, close to the lower end, of the center of one side wall of the sealing cover plate (3), and one end of the air preheater (9) penetrates through one side wall of the sealing cover plate (3) and is communicated to the inside;

keep off the coal structure and include two hydraulic telescoping rod (8), two the lateral wall of hydraulic telescoping rod (8) is fixed connection respectively on the both sides wall of first band conveyer (4), two the upper end fixedly connected with of hydraulic telescoping rod (8) keeps off coal board (2).

2. The automatic fuel moisture control system according to claim 1, characterized in that: the shape of the coal baffle plate (2) can be a shape larger than a size or a shape smaller than the size.

3. The automatic fuel moisture control system according to claim 1, characterized in that: two hoppers (5) are arranged at the lower end of the front side of the first belt conveyor (4).

4. The automatic fuel moisture control system according to claim 3, characterized in that: and a second belt conveyor (6) is arranged at the lower end of the hopper (5) close to the front side.

5. The automatic fuel moisture control system according to claim 3, characterized in that: and the discharge hole of the hopper (5) close to the rear side is positioned at the upper end of the third belt conveyor (7).

6. The automatic fuel moisture control system according to claim 1, characterized in that: the three coal blocking structures are in asynchronous control.

7. The automatic fuel moisture control system according to claim 1, characterized in that: the three moisture analysis instruments (1) are respectively and electrically connected with the three coal blocking structures.