CN213985734U - Car coal sampling device of going into factory - Google Patents

Abstract

The utility model discloses a car goes into factory's coal sampling device, the device includes: the device comprises a large travelling crane (1), a small travelling crane (2), a sampling sub-device (8), a sample preparation sub-device (16), a positioning sub-device and a monitoring sub-device; the device is characterized in that the sampling sub-device (8) comprises a spiral sampling head (6) and a small material gate (7); the sample preparation sub-device (16) comprises a primary feeder (9), a crusher (10), a splitter (11), a sample collector (12), a waste feeder (13), a coal dropping pipe (14) and a waste hopper (15); the positioning sub-device comprises ultrasonic sensors which are respectively installed at the top of the large traveling crane (1) and the bottom of the small traveling crane (2), and the monitoring sub-device comprises a PLC (programmable logic controller) which is respectively deployed in the sampling sub-device (8) and the sample preparation sub-device (16) and a monitoring display which is deployed in an operation room.

Description

Car coal sampling device of going into factory

Technical Field

The utility model relates to a coal sampling technical field, concretely relates to car goes into factory's coal sampling device.

Background

Thermal power factory, coal pier, coal washing factory, self-contained power plant and numerous enterprises that need use the raw coal all have a large amount of raw coals to need the sampling system appearance every day, and traditional manual work sampling system appearance, working strength is big, simultaneously because human factor causes the coal sample representativeness poor. In summary, at present, the following problems generally exist in the domestic coal sampling and sample preparation device for automobile entering a factory: the coal mining and sample preparation mechanization degree is low, the parallel operation of sampling and sample preparation can not be carried out simultaneously, and the inspection required by each vehicle can not be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art defect, provide a car coal sampling device of going into factory.

In order to achieve the above object, the utility model provides a car goes into factory's coal and gathers system appearance device, the device includes: the system comprises a large traveling crane, a small traveling crane, a sampling sub-device, a sample preparation sub-device, a positioning sub-device and a monitoring sub-device; the device is characterized in that the sampling sub-device comprises a spiral sampling head (6) and a small material gate; the sample preparation device comprises a primary feeder, a crusher, a splitter, a sample collector, a waste feeder, a coal dropping pipe and a waste hopper; the positioning sub-device comprises a plurality of ultrasonic sensors which are respectively arranged at the top of the large travelling crane and the bottom of the small travelling crane, and the monitoring sub-device comprises a PLC (programmable logic controller) which is respectively arranged in the sampling sub-device and the sample preparation sub-device and a monitoring display which is arranged in an operation room;

big driving is installed on bridge type support's big driving track, little driving is installed on big driving track on driving upper portion greatly, install the spiral sampling head in little driving, little bin gate is located the oblique top of spiral sampling head, little bin gate connects elementary batcher, the breaker is connected to the below of elementary batcher, the sub-unit connection splitter that is located the breaker discharge gate, transversely install the coal breakage pipe in splitter below, the coal breakage pipe divides out two the tunnel, connect the sample collector all the way, another way connects gradually abandons material batcher and abandons the hopper.

As an improvement of the device, both ends of the large crane are provided with terminal limit and buffers.

As an improvement of the device, both ends of the small travelling crane are provided with terminal limit and buffers.

As an improvement of the above arrangement, the crusher is a fine-grain ring hammer crusher.

As an improvement of the device, the divider is a belt chain scraper divider.

As an improvement of the device, the sample collector is a rotating disc type electric automatic tank changing type sample collector.

Compared with the prior art, the utility model beneficial effect be:

1. the utility model discloses a car coal sampling system appearance device of going into factory is applicable to the occasion that needs to carry out coal quality monitoring sampling such as thermal power factory, colliery, steel mill, chemical plant, is a mechanized sampling equipment that designs to fortune coal car sampling, can accomplish the adoption, breakage, division and collection appearance of coal appearance in succession, makes industrial analysis coal appearance;

2. the utility model discloses degree of mechanization is high, can accomplish every car and must examine.

Drawings

FIG. 1 is a schematic structural diagram of a coal sampling and sample preparation device for automobile entering a factory;

FIG. 2 is a schematic structural view of a sampling sub-device of the coal sampling and sample preparation device for automobile entering a factory;

fig. 3 is a schematic structural diagram of a sample preparation sub-device of a coal sample preparation device for automobile entering a factory.

Reference numerals:

1. large traveling crane 2, small traveling crane 3 and bridge type support

4. Big driving track 5, little driving track 6, spiral sampling head

7. Small material door 8, sampling sub-device 9 and initial material feeder

10. Crusher 11, splitter 12 and sample collector

13. Abandon material batcher 14, coal breakage pipe 15, abandon hopper

16. Sample preparation device 17 and control chamber

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in figure 1, the utility model provides a car goes into factory's coal system appearance device, this system by big driving 1, little driving 2, sampling sub-device 8, system appearance sub-device 16, location sub-device and control sub-device and constitute. The sampling sub-device 8 comprises a spiral sampling head 6 and a small material gate 7; the sample preparation sub-device 16 comprises a primary feeder 9, a crusher 10, a splitter 11, a sample collector 12, a waste feeder 13, a coal dropping pipe 14 and a waste hopper 15; the positioning sub-device comprises a plurality of ultrasonic sensors which are respectively arranged on a large traveling crane 1 and a small traveling crane 2, and the monitoring sub-device comprises a PLC (programmable logic controller) and a monitoring display which is arranged in an operation room.

1. Large traveling crane

The large crane 1 is of a bridge structure, adopts a double-motor drive to start and stop and adopts a variable frequency control technology, is provided with a mechanical distance measuring device, is stable in starting and stopping, is reliable in braking, can ensure the reverse running performance at the maximum working wind speed, and is provided with terminal limit and a polyvinyl chloride buffer at two ends of the large crane. The power supply mode adopts a cable pulley, and the working condition of the dust working environment is considered by the cable pulley.

The motor of the large traveling crane 1 is controlled by frequency conversion to ensure that the large traveling crane is stably and reliably started or stopped, and drives the sampler to longitudinally move along the transport carriage according to an instruction sent by the computer to reach the longitudinal coordinate position of the random sampling point.

2. Small traveling crane

The small crane 2 is driven by double motors and adopts a variable frequency control technology, so that the small crane is stable in starting and stopping, and the reverse running performance at the maximum working wind speed can be ensured. The two ends of the trolley are provided with a terminal limit and a polyvinyl chloride buffer.

The motor of the small traveling crane 2 is controlled by frequency conversion to ensure the stable and reliable starting or stopping of the motor, and the sampler is driven to move transversely along the transport carriage according to the instruction sent by the computer to reach the transverse coordinate position of the random sampling point.

3. Spiral sampling head

The sampling sub-device 8 is shown in fig. 2, and the spiral sampling head 6 assembly can stably and reliably operate under severe conditions of coal in rainy season and winter.

The particle size of the fed material is less than or equal to 200mm, when the sampling work is carried out, large pieces of gangue, foreign matters and the like in the mining range can be mined, the phenomenon of rejecting the large pieces of coal and gangue does not exist, the water adaptability is high, and the problem that the material is stuck and blocked can be overcome.

The sampling device can meet the requirements of avoiding sample scattering and sample leakage in the sampling process, ensure the integrity of the sampled sub-samples, can sample materials within 5 centimeters away from the bottom plate of the carriage, can really meet the requirements of full-carriage or full-section layered random sampling, and effectively ensure the fairness and objectivity of the sampling work and the sampled sub-samples.

The weight of the sub-sample can be adjusted at any time according to actual needs, the work can be simply finished in a monitoring display system of a control sampling machine in a mouse clicking mode, the adjustment of the size of the sub-sample during sampling can be conveniently and quickly finished, and the requirement of the change of the total amount of material transportation is met.

The lifting mechanism of the spiral sampling head 6 consists of a lifting device and a guiding device. The lifting device ensures the working stability of the spiral sampling head 6 in the lifting process; according to the instruction sent by the computer, the lifting device can move the spiral sampling head 6 along the depth direction of the transport carriage to reach the depth coordinate position of the random sampling point, and the sampling work in the carriage is completed.

4. Crushing machine

As shown in figure 3, the sample preparation device 16 is characterized in that a coal sample collected by a sampling head uniformly enters the crusher 10 through a closed belt feeder, a fine particle crusher is used for crushing, the discharge particle size is smaller than 6mm or 13mm, the phenomenon of coal blockage is ensured to be difficult to occur, and even if the moisture is large and coal blockage occurs, the shell can be conveniently opened for treatment. The crusher is provided with reliable electric and mechanical dual protection, so that the safety of equipment and personnel is ensured. The crusher adopts a ring hammer crushing mode, adopts a sealed design at a feeding port of the crusher, effectively prevents dust from flying, has good crushing effect, and has the advantages of large feeding granularity, high moisture adaptability, small moisture loss and uniform discharging granularity. The sample size of the crusher can be adjusted to 6mm or 13mm according to the requirement.

The granularity of the coal sample crushed by the crusher is less than or equal to 6mm, and the sieving rate is 100 percent.

The 'coal cake' and the adhesion phenomenon (the moisture content is less than or equal to 28%) do not occur in the crusher, the crushing parts of the crusher are made of wear-resistant materials, the service lives of the crushing plate, the hammer head and the like are ensured to be more than 8000 hours, and the crusher has no coal storage phenomenon and no coal blockage and coal adhesion phenomenon. The vibration of the crusher does not exceed the standard.

The crushing adopts a fine grain crusher to obtain the discharge granularity less than or equal to 6 mm. The crusher does not generate the coal blockage phenomenon generally, and the shell can be conveniently opened for treatment even if the coal blockage is generated under the condition of high moisture. In order to ensure that the system can work normally and the equipment is damaged because large materials which are difficult to break enter the crusher, the crusher is provided with reliable electric and mechanical double protection to ensure the safety of the equipment and personnel.

The crusher has reasonable design, is convenient to open and clean, and can remove the sundries which are not easy to be crushed.

The crusher ensures automatic cleaning and anti-blocking capacity, and can regularly and automatically clean the left materials on the crushed coal board.

The discharging granularity control sieve plate of the crusher adopts a stainless steel long round hole structure, so that the condition that the crushing cavity is blocked due to the adhesion problem of the sieve plate is reduced.

5. Division device

The divider 11 is a scraper type sampling head structure, the structure is groove-shaped, guide plates are arranged on two sides of the divider, a colloid cleaning plate is arranged at the bottom of the divider, full-section sampling is guaranteed, the running speed of the cutter is high, the material is stainless steel, the thickness of the cutter is 3mm, and material blockage and material sticking are avoided. The percentage ratio accords with the relation between the minimum weight and the granularity level when the coal sample is reduced.

The percentage reduction ratio can be adjusted within the range of 1/4-1/16 on the premise of satisfying the relation between the sample retention amount and the particle size.

The cutting times of each subsample by the splitter are not less than 6 times and can be adjusted.

6. Sample collector

The sample collector 12 is an electric sample collector with automatic can replacement. The sample collecting barrel is composed of a rotary table, a sample collecting barrel, a motor reducer, a proximity switch, a support frame and the like. The bottle cap is arranged in the sample collection bottle, so that the water loss can be reduced, the sample collection bottle is accurately positioned, and the bottle taking is convenient. The storage tank used as the sample for the full moisture analysis was secured in a hermetic state, and the moisture loss rate was not more than 0.6%. The sample collecting barrel is arranged on the rotary table, the end point of the rotary angular displacement of the rotary table is controlled by the proximity switch, and when the container is not at the filling position, the container is covered by the sealing cover, so that the moisture loss is avoided. The sample coal conveying and crushing system can adapt to coal coming from multiple mines simultaneously and does not mix samples. Sample tank materials: stainless steel (1Gr18Ni9Ti), number of collection bottles: 8, the volume of a single bottle is 15L.

7. Locator device

The positioning sub-device comprises a plurality of ultrasonic sensors which are respectively arranged at the top of the large traveling crane 1 and the bottom of the small traveling crane 2, the parking position of the coal transporting vehicle can be automatically and accurately detected within a sampling range, a sampling original point is established, the processes of point selection, sampling and sample preparation are automatically completed at random, and the interference of human factors is completely avoided.

The specific working mode is as follows: when the coal transporting vehicle is stopped stably and statically, the cart of the sampling and preparation machine is started and driven to the upper part of the coal transporting vehicle, the longitudinal positioning ultrasonic wave arranged on the cart starts to continuously detect when the cart is started, once the longitudinal positioning ultrasonic wave senses the tail part of the carriage of the coal transporting vehicle, a signal can be fed back immediately and an instruction is sent by a PLC (programmable logic controller) to immediately start the trolley of the sampling and preparation machine, meanwhile, the longitudinal random reading positioning starts, the transverse positioning ultrasonic wave arranged at the bottom of the trolley also starts to continuously detect simultaneously, and finally, the transverse random reading positioning starts after the edge of the carriage close to the direction of the trolley is sensed, so that the carriage positioning work of the coal transporting vehicle and the random point taking work in the carriage are automatically completed.

8. Monitoring sub-device

The monitoring sub-device is composed of a Programmable Logic Controller (PLC) and a monitoring display. The Programmable Logic Controller (PLC) is installed in the sampling sub-device 8 and the sample preparation sub-device 16, has reliable performance, safety and stability, and is provided with three working conditions of manual operation/semi-automatic operation/automatic operation for selection of users, wherein the manual operation is mainly used for maintenance and debugging operation, the semi-automatic operation is mainly used for targeted sampling operation, the automatic operation is mainly used for daily sampling operation, and the automatic operation has the function of automatically detecting the height of the sampled material level. The horizontal walking part adopts frequency conversion, coding and braking control, so that the starting is stable and the positioning is accurate; the monitoring display is provided with a special industrial computer industrial personal computer, so that the dustproof, shockproof and antistatic properties of the computer are ensured. The monitoring display is arranged in the control room 17, provides a standard communication interface, communicates with the PLC, and receives and displays information such as working condition information, fault information, sampling points, vehicle type data, coal types, time, shift numbers, operators and the like. The operator can master the field situation at any time, deal with various problems in time, and can also carry out setting operation according to actual needs to receive data and various related information transmitted by the PLC. The monitoring display operation sets a management level, and separates operation, maintenance and management. In order to make every sampling well documented, the control system needs to store a large amount of related data into a database, and automatically record parameters such as operator names, sampling modes, sampling time, sampling point coordinates and the like of every sampling in real time for inquiring or calling.

The sampling part is started in the following order: a large and small vehicle traveling mechanism searches points, a chain lifting sampling mechanism samples, and the large and small vehicle traveling mechanism returns to unload materials; the sample preparation system is started in the following sequence: receiving an incoming material signal, a residual coal reverse discharging system, a sample collector, a waste material division belt conveyor, a crusher, an iron removal feeding belt conveyor and a division device. The system is stopped in the reverse order of the start-up sequence. The adjustment and the setting parameters of the sampling system can be modified with authority through an operation panel.

The system has two working modes of manual operation and automatic operation, and can realize the starting and stopping of the monomer equipment in the manual mode, thereby facilitating the maintenance and overhaul; in an automatic mode, the system work is controlled by an internal program of the PLC, the equipment runs according to the flow and the interlocking relation, the automatic running of the equipment is realized, the working state display is given on a display screen, once a fault occurs, all equipment on the upper level of the fault equipment stops immediately, and all equipment on the lower level continues to run to discharge excess materials, so that the blockage is prevented.

The sample distributing barrel corresponds to the coal mine and the coal car group one by one, an operator only needs to input the car number and the coal mine point of the coal car on the monitoring display, one-time sample collecting and preparing process is automatically completed according to the input car type data, and information such as the name of a mine to be sampled, the number of sampling points, a sampling mode, the number of a sampling tank, sampling time and the like is automatically recorded. The monitoring display has the functions of historical data storage, query, import and export and the like, and the historical data is stored for at least more than three years. The Programmable Logic Controller (PLC) is provided with 15% of spare I/O points, electric components are made of Schneider brand or the same brand, the sensor is made of ohm dragon or the same well-known brand, and a control signal cable is made of a shielded cable.

The monitoring picture can display the sampling working process, and the running state is dynamically monitored in real time according to the sampling working process. And displaying the current sampling and the relevant state information of the equipment.

The monitoring picture is composed of a main monitoring picture, a manual operation picture, a fault diagnosis picture, an operation help picture, a sampling parameter modification picture, a vehicle type data management picture, a sampling record inquiry and report printing picture and an alarm historical record.

A main monitoring picture: and finishing automatic sampling operation, inputting data necessary for the sampling operation, and dynamically monitoring the working state of the sampler.

Manual operation screen: the manual operation of the single machine is completed, and the maintenance and the repair are convenient

Sampling parameter modification picture: under the condition of having the authority, can adjust the sampler parameter.

A fault diagnosis screen: and displaying the fault position when the equipment is in fault, and prompting the processing method.

Sampling record query and report printing picture: and carrying out sampling record statistics, query and preview operations.

Help screen: providing help information in terms of operation, maintenance, service, etc.

Alarm history recording: and recording an alarm event. Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of them shall fall within the scope of the claims of the present invention.

Claims (6)

1. An automobile incoming coal sampling device, which is characterized by comprising: the device comprises a large travelling crane (1), a small travelling crane (2), a sampling sub-device (8), a sample preparation sub-device (16), a positioning sub-device and a monitoring sub-device; the sampling sub-device (8) comprises a spiral sampling head (6) and a small material gate (7); the sample preparation sub-device (16) comprises a primary feeder (9), a crusher (10), a splitter (11), a sample collector (12), a waste feeder (13), a coal dropping pipe (14) and a waste hopper (15); the positioning sub-device comprises a plurality of ultrasonic sensors which are respectively arranged at the top of the large travelling crane (1) and the bottom of the small travelling crane (2), and the monitoring sub-device comprises a PLC (programmable logic controller) which is respectively arranged in the sampling sub-device (8) and the sample preparation sub-device (16) and a monitoring display which is arranged in an operation room;

big driving (1) is installed on big driving track (4) of bridge type support (3), little driving (2) are installed on little driving track (5) on big driving (1) upper portion, install spiral sampling head (6) in little driving (2), little bin gate (7) are located the oblique top of spiral sampling head (6), elementary batcher (9) is connected in little bin gate (7), breaker (10) are connected to the below of elementary batcher (9), the sub-unit connection splitter (11) that is located the breaker discharge gate, transversely install coal breakage pipe (14) in splitter (11) below, coal breakage pipe (14) divide two the tunnel, connect sample collector (12) all the way, material batcher (13) and abandon hopper (15) are abandoned in proper order to connect on the way.

2. The automobile incoming plant coal sampling device according to claim 1, characterized in that both ends of the large traveling crane (1) are provided with terminal limit and buffer.

3. The automobile in-plant coal sampling device according to claim 1, characterized in that both ends of the small traveling crane (2) are provided with terminal limit and buffer.

4. The automotive service coal sampling device according to claim 1, wherein the crusher (10) is a fine particle ring hammer crusher.

5. The coal sampling device for the automobile entering factory according to claim 1, wherein the splitter (11) is a belt chain scraper splitter.

6. The automotive service coal sampling device of claim 1, wherein the sample collector (12) is a carousel-type sample collector with an electric automatic change of canister.

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