CN219121736U

CN219121736U - Coal sampling device goes into stove

Info

Publication number: CN219121736U
Application number: CN202223380441.8U
Authority: CN
Inventors: 滕雷
Original assignee: Xuzhou Zhongshun Electromechanical Technology Co ltd
Current assignee: Xuzhou Zhongshun Electromechanical Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-02
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a coal sampling device for charging, which comprises: the sampling frame body is erected above the furnace coal conveying belt and comprises frame body supporting legs arranged on two sides of the furnace coal conveying belt, and frame beams are arranged at the tops of the frame body supporting legs; the rotary sampling support is arranged on one side of the frame beam and comprises a speed reducing motor fixedly arranged on the frame beam; the sampler is arranged at the front side of the rotary sampling support and comprises a sampling claw for sampling; the collecting bin is arranged on one side frame body supporting leg and is used for receiving the raw coal materials collected by the sampler. The utility model overcomes the defects of the prior art, has simple and reasonable structure, is convenient to mount and dismount by integral molding, and has large sampling quantity and high efficiency.

Description

Coal sampling device goes into stove

Technical Field

The utility model relates to the technical field of coal sampling in a furnace, in particular to a coal sampling device in a furnace.

Background

The power supply coal consumption is a main economic index of a thermal power plant, and the traditional power generation and power supply coal consumption calculation generally adopts counter balance to calculate the coal consumption due to lack of effective measurement of the amount of coal entering the furnace, and the coal consumption calculated according to the counter balance cannot accurately reflect the running condition of a unit and the economic efficiency of the whole plant. In order to control the power generation cost and truly reflect the coal consumption level, it is specified that the coal consumption must be calculated by adopting positive balance, and the actual reflection of the coal quality of the coal to be charged is required to be sampled.

The coal sampler is a mechanized sampling device designed for sampling coal conveying belts, and can be divided into two types of belt middle sampling and belt end sampling according to different arrangement positions. The device of the coal sampling machine for the furnace, which is applied in the prior art, is too large in size, is not easy to adjust after being installed and fixed, and if the device is small in size, the quantity of primary sampling is limited, a large quantity of sampling cannot be completed, and the device needs to be sampled for multiple times, so that improvement is needed for solving the existing problems.

Disclosure of Invention

The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing the coal sampling device which is simple and reasonable in structure, convenient to mount and dismount and high in efficiency, and is integrally formed.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a coal-fired sampling device comprising:

the sampling frame body is erected above the furnace coal conveying belt and comprises frame body supporting legs arranged on two sides of the furnace coal conveying belt, and frame beams are arranged at the tops of the frame body supporting legs;

the rotary sampling support is arranged on one side of the frame beam and comprises a speed reducing motor fixedly arranged on the frame beam;

the sampler is arranged on the front side of the rotary sampling support and comprises a sampling claw for sampling;

the collecting bin is arranged on one side of the support leg of the frame body and is used for receiving the raw coal materials collected by the sampler.

Further, the rotary sampling support further comprises a driving gear connected with the output shaft end of the speed reducing motor, a driven gear meshed with the driving gear is arranged below the driving gear, one end of the driven gear is rotatably connected in the rotary sampling support, and a sampling support seat is arranged at the other end of the driven gear.

Further, the sampler is including connecting the center davit of sampling supporting seat, the lower extreme of center davit is provided with the center piece, the fixed flexible cylinder that is provided with in center davit front side, the piston rod end of flexible cylinder runs through center piece and downwardly extending are connected with the lift horizontal pole, the lower part of center piece is provided with the support frame from the font respectively, the support rotary drum is connected respectively to the lower extreme of support frame, runs through the support rotary drum is provided with centering rod, centering rod is in the lower extreme punishment of support frame do not rotate and connect left arc frame and right arc frame, all run through between left arc frame and the right arc frame upper portion and be provided with the side lever that moves, the both ends of lift horizontal pole with rotate respectively between the side lever and connect the transmission connecting rod.

Further, the sampling claw includes adjacent between the left arc frame, adjacent the side shield that sets up between the right arc frame, both ends around be provided with first baffle and the second baffle of mutual range upon range of between left arc frame and the right arc frame, be provided with left lower baffle between the left arc frame bottom, be provided with right lower baffle between the right arc frame bottom.

Further, the right arc-shaped frame lower part is provided with the rotation feeder, it includes the circular end plate at both ends to rotate the feeder, the center department of circular end plate is provided with the feeding axis, the epaxial feeding of being provided with of feeding is dialled the board along its circumference, the equipartition has the dust leak on the feeding is dialled the board, the epaxial middle part of feeding is provided with the drive storehouse, the feeding axis runs through the position department in drive storehouse is provided with driven pulleys, the top in drive storehouse is provided with feeding motor, driving pulley is connected to feeding motor's output axle head, pass through the belt cooperation between driving pulley and the driven pulleys and be connected.

Further, the collection bin comprises a feeding bin on the upper portion of the collection bin, a feeding landslide is arranged at an opening on one side of the feeding bin, and a feeding hopper is arranged on the lower portion of the feeding bin.

Further, a control cabinet is arranged on one side of the sampling frame body.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the rotation sampling support is arranged to drive the sampler to rotate, and then the sampler is matched for feeding and collecting, so that the sampling action is completed; the convenient control adjusts the feed quantity, is difficult for leaking the material after the feeding, and the device wholeness is good, makes things convenient for dismouting and removal to the required position, and degree of automation is high, reduces manual intervention, and sampling efficiency is high, suitable extensive use widely.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an enlarged schematic view of the structure of the sampler in the present utility model.

Fig. 3 is an enlarged schematic view of the structure of the rotary feeder of the present utility model.

As shown in the figure: 1. a sampling frame body; 1-1, a frame body supporting leg; 1-2, erecting a beam;

2. rotating the sampling support; 2-1, a speed reducing motor; 2-2, a driving gear; 2-3, driven gears; 2-4, a sampling support seat;

3. a sampler; 3-1, a central suspension column; 3-2, a center block; 3-3, a telescopic cylinder; 3-4, lifting the cross rod; 3-5, supporting frames; 3-6, supporting a rotary drum; 3-7, centering rod; 3-8, left arc frame; 3-9, right arc frame; 3-10, moving side bars; 3-11, a transmission connecting rod; 3-12, a first baffle; 3-13, a second baffle; 3-14, lower left baffle; 3-15, right lower baffle;

4. collecting a storage bin; 4-1, a feeding bin; 4-2, feeding landslide; 4-3, feeding hopper;

5. rotating the feeder; 5-1, a circular end plate; 5-2, feeding middle shaft; 5-3, feeding poking plates; 5-4, driving the bin; 5-5, feeding motor.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

The present utility model will be described in further detail with reference to the accompanying drawings.

The utility model, when embodied, is a device for sampling in the process of conveying coal into a furnace, which is shown in figures 1-3 with the following steps:

the sampling frame body 1 is erected above the coal feeding conveying belt, the sampling frame body 1 comprises frame body supporting legs 1-1 arranged on two sides of the coal feeding conveying belt, frame beams 1-2 are arranged at the tops of the frame body supporting legs 1-1, and a control cabinet is arranged on one side of the sampling frame body 1.

The rotary sampling support 2 is arranged on one side of the frame beam 1-2, and the rotary sampling support 2 comprises a gear motor 2-1 fixedly arranged on the frame beam 1-2; the rotary sampling support 2 further comprises a driving gear 2-2 connected with the output shaft end of the gear motor 2-1, a driven gear 2-3 meshed with the driving gear 2-2 is arranged below the driving gear 2-2, one end of the driven gear 2-3 is rotatably connected in the rotary sampling support 2, the other end of the driven gear 2-3 is provided with a sampling support seat 2-4, the gear motor 2-1 connected through control cabinet control drives the driving gear 2-2 to rotate, the meshed driven gear 2-3 is driven to rotate, and the sampling support seat 2-4 is further driven to rotate to a proper angle position for sampling and lofting.

The sampler 3 is arranged at the front side of the rotary sampling support 2, and the sampler 3 comprises a sampling claw for sampling; the sampling claw comprises side baffles arranged between the adjacent left arc-shaped frames 3-8 and between the adjacent right arc-shaped frames 3-9, a first baffle 3-12 and a second baffle 3-13 which are mutually overlapped are arranged between the left arc-shaped frames 3-8 and the right arc-shaped frames 3-9 at the front end and the rear end, a left lower baffle 3-14 is arranged between the bottom ends of the left arc-shaped frames 3-8, a right lower baffle 3-15 is arranged between the bottom ends of the right arc-shaped frames 3-9, and the sampling claw is of a baffle function and is mainly used for blocking sample materials existing in the sampler 3 from leaking.

The sampler 3 comprises a central hanging column 3-1 connected with a sampling supporting seat 2-4, a central block 3-2 is arranged at the lower end of the central hanging column 3-1, a telescopic cylinder 3-3 is fixedly arranged at the front side of the central hanging column 3-1, a piston rod end of the telescopic cylinder 3-3 penetrates through the central block 3-2 and is connected with a lifting cross rod 3-4 in a downward extending mode, a supporting frame 3-5 in a shape of a Chinese character' is arranged at the lower end of the central block 3-2 respectively, a supporting rotary drum 3-6 is connected at the lower end of the supporting frame 3-5 respectively, a centering rod 3-7 penetrates through the supporting rotary drum 3-6, a left arc-shaped frame 3-8 and a right arc-shaped frame 3-9 are respectively and rotatably connected at the lower end of the supporting frame 3-5, a movable side rod 3-10 is respectively and rotatably connected between the two ends of the lifting cross rod 3-4 and the upper portion of the movable side rod 3-9, a transmission connecting rod 3-11 is respectively connected through rotation, the telescopic cylinder 3-3 connected with the lifting cross rod through a control cabinet, and the lifting transmission rod 3-11 is driven to open and close the lower ends of the sampling claw.

The lower part of the right arc-shaped frame 3-9 is provided with a rotary feeder 5, the rotary feeder 5 comprises round end plates 5-1 at two ends, the center of the round end plates 5-1 is provided with a feeding center shaft 5-2, the feeding center shaft 5-2 is provided with feeding shifting plates 5-3 along the circumference thereof, dust leakage holes are uniformly distributed on the feeding shifting plates 5-3, the middle part of the feeding center shaft 5-2 is provided with a driving bin 5-4, the position of the feeding center shaft 5-2 penetrating through the driving bin 5-4 is provided with a driven belt pulley, the upper part of the driving bin 5-4 is provided with a feeding motor 5-5, the output shaft ends of the feeding motor 5-5 are connected with a driving belt pulley, the driving belt pulley and the driven belt pulley are connected through belt cooperation, the feeding motor 5-5 connected through control cabinet control, the continuous rotation of the feeding center shaft 5-2 is driven, the speed is adjustable, and the feeding amount per unit time can be controlled, so that a large amount of feeding can be sampled.

The collecting bin 4 is arranged on a side frame body supporting leg 1-1, the collecting bin 4 is used for receiving the raw materials of the coal entering the furnace collected by the sampler 3, the collecting bin 4 comprises a feeding bin 4-1 on the upper portion of the collecting bin, a feeding landslide 4-2 is arranged at an opening at one side of the feeding bin 4-1, and a feeding hopper 4-3 is arranged at the lower portion of the feeding bin 4-1.

In the actual use process of the device, the lower coal feeding conveyer belt continuously conveys the coal feeding conveyer belt, and the device is arranged above the coal feeding conveyer belt;

in the initial state, the sampler 3 is in a state of horizontally leaning to the left, and when sampling is carried out, the sampler 3 is driven to sample anticlockwise by rotating the sampling support 2 controlled by the control cabinet;

the rotary feeder 5 on the right side firstly contacts the coal to be charged, and adjusts the rotating speed of the feeding shifting plate 5-3 according to the required feeding speed, so that the coal to be charged is continuously sampled and enters the sampling claw;

in a short time, more coal can enter the furnace, the sampler 3 is continuously rotated until the coal leaves the conveyer belt, and the telescopic cylinder 3-3 connected through the control cabinet is controlled to perform telescopic action to drive the transmission connecting rod 3-11 to lift, so that the sampling claw at the lower end of the transmission connecting rod is driven to open, the coal is placed into the collection bin 4, and collection and sampling are performed from the feed hopper 4-3.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. A coal sampling device for charging, comprising:

the sampling frame body (1), the sampling frame body (1) is erected above the coal feeding conveyor belt, the sampling frame body (1) comprises frame body supporting legs (1-1) arranged on two sides of the coal feeding conveyor belt, and a frame beam (1-2) is arranged at the top of the frame body supporting legs (1-1);

the rotary sampling support (2) is arranged on one side of the frame beam (1-2), and the rotary sampling support (2) comprises a speed reducing motor (2-1) fixedly arranged on the frame beam (1-2);

the sampler (3) is arranged on the front side of the rotary sampling support (2), and the sampler (3) comprises a sampling claw for sampling;

the collecting bin (4), the collecting bin (4) is arranged on one side on the support leg (1-1), and the collecting bin (4) is used for receiving the raw coal materials of the furnace, collected by the sampler (3).

2. The coal sampling device for furnace entry according to claim 1, wherein: the rotary sampling support (2) further comprises a driving gear (2-2) connected with the output shaft end of the gear motor (2-1), a driven gear (2-3) meshed with the driving gear (2-2) is arranged below the driving gear, one end of the driven gear (2-3) is rotatably connected in the rotary sampling support (2), and a sampling support seat (2-4) is arranged at the other end of the driven gear.

3. The coal sampling device for furnace entry according to claim 2, wherein: the sampler (3) comprises a central hanging column (3-1) connected with a sampling supporting seat (2-4), a central block (3-2) is arranged at the lower end of the central hanging column (3-1), a telescopic cylinder (3-3) is fixedly arranged at the front side of the central hanging column (3-1), a piston rod end of the telescopic cylinder (3-3) penetrates through the central block (3-2) and downwards extends to be connected with a lifting cross rod (3-4), a supporting frame (3-5) in a shape of a Chinese character' is arranged at the lower end of the central block (3-2), supporting drums (3-6) are respectively connected at the lower ends of the supporting frames (3-5), centering rods (3-7) are respectively connected with a left arc-shaped frame (3-8) and a right arc-shaped frame (3-9) in a rotating mode at the lower end of the supporting drums (3-6), a left arc-shaped frame (3-8) and a right arc-shaped frame (3-9) are respectively arranged between the left arc-shaped frame (3-8) and the right arc-shaped frame (3-9) in a rotating mode, and two ends of the left arc-shaped frame (3-4) are respectively connected with a lifting cross rod (3-10) in a rotating mode, and the two ends of the lifting cross rod (3-10) are respectively connected.

4. A coal sampling apparatus according to claim 3, wherein: the sampling claw comprises side baffles arranged between the left arc-shaped frames (3-8) and between the right arc-shaped frames (3-9), a first baffle (3-12) and a second baffle (3-13) which are mutually stacked are arranged between the left arc-shaped frames (3-8) and the right arc-shaped frames (3-9) at the front end and the rear end, a left lower baffle (3-14) is arranged between the bottom ends of the left arc-shaped frames (3-8), and a right lower baffle (3-15) is arranged between the bottom ends of the right arc-shaped frames (3-9).

5. The coal sampling device for furnace entry according to claim 4, wherein: the feeding device is characterized in that a rotary feeder (5) is arranged at the lower part of the right arc-shaped frame (3-9), the rotary feeder (5) comprises round end plates (5-1) at two ends, a feeding center shaft (5-2) is arranged at the center of each round end plate (5-1), feeding shifting plates (5-3) are arranged on the feeding center shaft (5-2) along the circumferential direction of the feeding center shaft, dust leakage holes are uniformly distributed in the feeding shifting plates (5-3), a driving bin (5-4) is arranged in the middle of the feeding center shaft (5-2), a driven belt pulley is arranged at the position where the feeding center shaft (5-2) penetrates through the driving bin (5-4), a feeding motor (5-5) is arranged above the driving bin (5-4), and the output shaft ends of the feeding motor (5-5) are connected with a driving belt pulley which is connected with the driven belt pulley through a belt in a matched mode.

6. The coal sampling device for furnace entry according to claim 1, wherein: the collecting bin (4) comprises a feeding bin (4-1) on the upper portion of the collecting bin, a feeding landslide (4-2) is arranged at an opening at one side of the feeding bin (4-1), and a feeding hopper (4-3) is arranged on the lower portion of the feeding bin (4-1).

7. The coal sampling device for furnace entry according to claim 1, wherein: one side of the sampling frame body (1) is provided with a control cabinet.